diff options
Diffstat (limited to 'drivers/ata')
67 files changed, 4250 insertions, 3113 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 1c94b43d2c9..3747457fee7 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -41,12 +41,12 @@ config SATA_SVW If unsure, say N. config ATA_PIIX - tristate "Intel PIIX/ICH SATA support" + tristate "Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support" depends on PCI help This option enables support for ICH5/6/7/8 Serial ATA - and support for PATA on the Intel PIIX3/PIIX4/ICH series - PATA host controllers. + and support for PATA on the Intel ESB/ICH/PIIX3/PIIX4 series + host controllers. If unsure, say N. @@ -116,11 +116,14 @@ config SATA_SIL24 If unsure, say N. config SATA_SIS - tristate "SiS 964/180 SATA support" + tristate "SiS 964/965/966/180 SATA support" depends on PCI + select PATA_SIS help - This option enables support for SiS Serial ATA 964/180. - + This option enables support for SiS Serial ATA on + SiS 964/965/966/180 and Parallel ATA on SiS 180. + The PATA support for SiS 180 requires additionally to + enable the PATA_SIS driver in the config. If unsure, say N. config SATA_ULI @@ -147,6 +150,12 @@ config SATA_VITESSE If unsure, say N. +config SATA_INIC162X + tristate "Initio 162x SATA support (HIGHLY EXPERIMENTAL)" + depends on PCI && EXPERIMENTAL + help + This option enables support for Initio 162x Serial ATA. + config SATA_INTEL_COMBINED bool depends on IDE=y && !BLK_DEV_IDE_SATA && (SATA_AHCI || ATA_PIIX) @@ -296,7 +305,7 @@ config PATA_ISAPNP If unsure, say N. config PATA_IT821X - tristate "IT821x PATA support (Experimental)" + tristate "IT8211/2 PATA support (Experimental)" depends on PCI && EXPERIMENTAL help This option enables support for the ITE 8211 and 8212 @@ -305,6 +314,15 @@ config PATA_IT821X If unsure, say N. +config PATA_IT8213 + tristate "IT8213 PATA support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for the ITE 821 PATA + controllers via the new ATA layer. + + If unsure, say N. + config PATA_JMICRON tristate "JMicron PATA support" depends on PCI @@ -341,6 +359,15 @@ config PATA_MARVELL If unsure, say N. +config PATA_MPC52xx + tristate "Freescale MPC52xx SoC internal IDE" + depends on PPC_MPC52xx + help + This option enables support for integrated IDE controller + of the Freescale MPC52xx SoC. + + If unsure, say N. + config PATA_MPIIX tristate "Intel PATA MPIIX support" depends on PCI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index bc3d81ae757..cd096f0c78a 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_SATA_SX4) += sata_sx4.o obj-$(CONFIG_SATA_NV) += sata_nv.o obj-$(CONFIG_SATA_ULI) += sata_uli.o obj-$(CONFIG_SATA_MV) += sata_mv.o +obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o obj-$(CONFIG_PDC_ADMA) += pdc_adma.o obj-$(CONFIG_PATA_ALI) += pata_ali.o @@ -33,11 +34,13 @@ obj-$(CONFIG_PATA_HPT3X2N) += pata_hpt3x2n.o obj-$(CONFIG_PATA_HPT3X3) += pata_hpt3x3.o obj-$(CONFIG_PATA_ISAPNP) += pata_isapnp.o obj-$(CONFIG_PATA_IT821X) += pata_it821x.o +obj-$(CONFIG_PATA_IT8213) += pata_it8213.o obj-$(CONFIG_PATA_JMICRON) += pata_jmicron.o obj-$(CONFIG_PATA_NETCELL) += pata_netcell.o obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o obj-$(CONFIG_PATA_OPTI) += pata_opti.o obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o +obj-$(CONFIG_PATA_MPC52xx) += pata_mpc52xx.o obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o obj-$(CONFIG_PATA_OLDPIIX) += pata_oldpiix.o diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index e2796fb40eb..92cdb0c5171 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -45,7 +45,6 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> -#include <asm/io.h> #define DRV_NAME "ahci" #define DRV_VERSION "2.0" @@ -166,9 +165,6 @@ enum { PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */ PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */ - /* hpriv->flags bits */ - AHCI_FLAG_MSI = (1 << 0), - /* ap->flags bits */ AHCI_FLAG_NO_NCQ = (1 << 24), AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */ @@ -191,7 +187,6 @@ struct ahci_sg { }; struct ahci_host_priv { - unsigned long flags; u32 cap; /* cache of HOST_CAP register */ u32 port_map; /* cache of HOST_PORTS_IMPL reg */ }; @@ -229,7 +224,6 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg); static int ahci_port_resume(struct ata_port *ap); static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); static int ahci_pci_device_resume(struct pci_dev *pdev); -static void ahci_remove_one (struct pci_dev *pdev); static struct scsi_host_template ahci_sht = { .module = THIS_MODULE, @@ -266,6 +260,8 @@ static const struct ata_port_operations ahci_ops = { .irq_handler = ahci_interrupt, .irq_clear = ahci_irq_clear, + .irq_on = ata_dummy_irq_on, + .irq_ack = ata_dummy_irq_ack, .scr_read = ahci_scr_read, .scr_write = ahci_scr_write, @@ -297,6 +293,8 @@ static const struct ata_port_operations ahci_vt8251_ops = { .irq_handler = ahci_interrupt, .irq_clear = ahci_irq_clear, + .irq_on = ata_dummy_irq_on, + .irq_ack = ata_dummy_irq_ack, .scr_read = ahci_scr_read, .scr_write = ahci_scr_write, @@ -431,7 +429,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* Generic, PCI class code for AHCI */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - 0x010601, 0xffffff, board_ahci }, + PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci }, { } /* terminate list */ }; @@ -441,9 +439,9 @@ static struct pci_driver ahci_pci_driver = { .name = DRV_NAME, .id_table = ahci_pci_tbl, .probe = ahci_init_one, + .remove = ata_pci_remove_one, .suspend = ahci_pci_device_suspend, .resume = ahci_pci_device_resume, - .remove = ahci_remove_one, }; @@ -452,16 +450,12 @@ static inline int ahci_nr_ports(u32 cap) return (cap & 0x1f) + 1; } -static inline unsigned long ahci_port_base_ul (unsigned long base, unsigned int port) +static inline void __iomem *ahci_port_base(void __iomem *base, + unsigned int port) { return base + 0x100 + (port * 0x80); } -static inline void __iomem *ahci_port_base (void __iomem *base, unsigned int port) -{ - return (void __iomem *) ahci_port_base_ul((unsigned long)base, port); -} - static u32 ahci_scr_read (struct ata_port *ap, unsigned int sc_reg_in) { unsigned int sc_reg; @@ -475,7 +469,7 @@ static u32 ahci_scr_read (struct ata_port *ap, unsigned int sc_reg_in) return 0xffffffffU; } - return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + return readl(ap->ioaddr.scr_addr + (sc_reg * 4)); } @@ -493,7 +487,7 @@ static void ahci_scr_write (struct ata_port *ap, unsigned int sc_reg_in, return; } - writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + writel(val, ap->ioaddr.scr_addr + (sc_reg * 4)); } static void ahci_start_engine(void __iomem *port_mmio) @@ -735,7 +729,7 @@ static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev, static unsigned int ahci_dev_classify(struct ata_port *ap) { - void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; + void __iomem *port_mmio = ap->ioaddr.cmd_addr; struct ata_taskfile tf; u32 tmp; @@ -763,7 +757,7 @@ static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag, static int ahci_clo(struct ata_port *ap) { - void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; + void __iomem *port_mmio = ap->ioaddr.cmd_addr; struct ahci_host_priv *hpriv = ap->host->private_data; u32 tmp; @@ -785,7 +779,7 @@ static int ahci_clo(struct ata_port *ap) static int ahci_softreset(struct ata_port *ap, unsigned int *class) { struct ahci_port_priv *pp = ap->private_data; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); const u32 cmd_fis_len = 5; /* five dwords */ const char *reason = NULL; @@ -893,7 +887,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class) struct ahci_port_priv *pp = ap->private_data; u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; struct ata_taskfile tf; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); int rc; @@ -921,7 +915,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class) static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class) { - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); int rc; @@ -946,7 +940,7 @@ static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class) static void ahci_postreset(struct ata_port *ap, unsigned int *class) { - void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; + void __iomem *port_mmio = ap->ioaddr.cmd_addr; u32 new_tmp, tmp; ata_std_postreset(ap, class); @@ -965,7 +959,7 @@ static void ahci_postreset(struct ata_port *ap, unsigned int *class) static u8 ahci_check_status(struct ata_port *ap) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; + void __iomem *mmio = ap->ioaddr.cmd_addr; return readl(mmio + PORT_TFDATA) & 0xFF; } @@ -1111,7 +1105,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat) static void ahci_host_intr(struct ata_port *ap) { - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); struct ata_eh_info *ehi = &ap->eh_info; struct ahci_port_priv *pp = ap->private_data; @@ -1209,7 +1203,7 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance) VPRINTK("ENTER\n"); hpriv = host->private_data; - mmio = host->mmio_base; + mmio = host->iomap[AHCI_PCI_BAR]; /* sigh. 0xffffffff is a valid return from h/w */ irq_stat = readl(mmio + HOST_IRQ_STAT); @@ -1254,7 +1248,7 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance) static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; + void __iomem *port_mmio = ap->ioaddr.cmd_addr; if (qc->tf.protocol == ATA_PROT_NCQ) writel(1 << qc->tag, port_mmio + PORT_SCR_ACT); @@ -1266,7 +1260,7 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) static void ahci_freeze(struct ata_port *ap) { - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); /* turn IRQ off */ @@ -1275,7 +1269,7 @@ static void ahci_freeze(struct ata_port *ap) static void ahci_thaw(struct ata_port *ap) { - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); u32 tmp; @@ -1290,7 +1284,7 @@ static void ahci_thaw(struct ata_port *ap) static void ahci_error_handler(struct ata_port *ap) { - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); if (!(ap->pflags & ATA_PFLAG_FROZEN)) { @@ -1306,7 +1300,7 @@ static void ahci_error_handler(struct ata_port *ap) static void ahci_vt8251_error_handler(struct ata_port *ap) { - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); if (!(ap->pflags & ATA_PFLAG_FROZEN)) { @@ -1323,7 +1317,7 @@ static void ahci_vt8251_error_handler(struct ata_port *ap) static void ahci_post_internal_cmd(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); if (qc->flags & ATA_QCFLAG_FAILED) @@ -1340,7 +1334,7 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg) { struct ahci_host_priv *hpriv = ap->host->private_data; struct ahci_port_priv *pp = ap->private_data; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); const char *emsg = NULL; int rc; @@ -1361,7 +1355,7 @@ static int ahci_port_resume(struct ata_port *ap) { struct ahci_port_priv *pp = ap->private_data; struct ahci_host_priv *hpriv = ap->host->private_data; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); ahci_power_up(port_mmio, hpriv->cap); @@ -1373,7 +1367,7 @@ static int ahci_port_resume(struct ata_port *ap) static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) { struct ata_host *host = dev_get_drvdata(&pdev->dev); - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[AHCI_PCI_BAR]; u32 ctl; if (mesg.event == PM_EVENT_SUSPEND) { @@ -1394,10 +1388,12 @@ static int ahci_pci_device_resume(struct pci_dev *pdev) { struct ata_host *host = dev_get_drvdata(&pdev->dev); struct ahci_host_priv *hpriv = host->private_data; - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[AHCI_PCI_BAR]; int rc; - ata_pci_device_do_resume(pdev); + rc = ata_pci_device_do_resume(pdev); + if (rc) + return rc; if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { rc = ahci_reset_controller(mmio, pdev); @@ -1418,29 +1414,24 @@ static int ahci_port_start(struct ata_port *ap) struct device *dev = ap->host->dev; struct ahci_host_priv *hpriv = ap->host->private_data; struct ahci_port_priv *pp; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); void *mem; dma_addr_t mem_dma; int rc; - pp = kmalloc(sizeof(*pp), GFP_KERNEL); + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) return -ENOMEM; - memset(pp, 0, sizeof(*pp)); rc = ata_pad_alloc(ap, dev); - if (rc) { - kfree(pp); + if (rc) return rc; - } - mem = dma_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL); - if (!mem) { - ata_pad_free(ap, dev); - kfree(pp); + mem = dmam_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma, + GFP_KERNEL); + if (!mem) return -ENOMEM; - } memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ); /* @@ -1482,10 +1473,8 @@ static int ahci_port_start(struct ata_port *ap) static void ahci_port_stop(struct ata_port *ap) { - struct device *dev = ap->host->dev; struct ahci_host_priv *hpriv = ap->host->private_data; - struct ahci_port_priv *pp = ap->private_data; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR]; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); const char *emsg = NULL; int rc; @@ -1494,19 +1483,13 @@ static void ahci_port_stop(struct ata_port *ap) rc = ahci_deinit_port(port_mmio, hpriv->cap, &emsg); if (rc) ata_port_printk(ap, KERN_WARNING, "%s (%d)\n", emsg, rc); - - ap->private_data = NULL; - dma_free_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, - pp->cmd_slot, pp->cmd_slot_dma); - ata_pad_free(ap, dev); - kfree(pp); } -static void ahci_setup_port(struct ata_ioports *port, unsigned long base, +static void ahci_setup_port(struct ata_ioports *port, void __iomem *base, unsigned int port_idx) { VPRINTK("ENTER, base==0x%lx, port_idx %u\n", base, port_idx); - base = ahci_port_base_ul(base, port_idx); + base = ahci_port_base(base, port_idx); VPRINTK("base now==0x%lx\n", base); port->cmd_addr = base; @@ -1519,7 +1502,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) { struct ahci_host_priv *hpriv = probe_ent->private_data; struct pci_dev *pdev = to_pci_dev(probe_ent->dev); - void __iomem *mmio = probe_ent->mmio_base; + void __iomem *mmio = probe_ent->iomap[AHCI_PCI_BAR]; unsigned int i, cap_n_ports, using_dac; int rc; @@ -1586,7 +1569,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) } for (i = 0; i < probe_ent->n_ports; i++) - ahci_setup_port(&probe_ent->port[i], (unsigned long) mmio, i); + ahci_setup_port(&probe_ent->port[i], mmio, i); ahci_init_controller(mmio, pdev, probe_ent->n_ports, probe_ent->port_flags, hpriv); @@ -1600,7 +1583,7 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent) { struct ahci_host_priv *hpriv = probe_ent->private_data; struct pci_dev *pdev = to_pci_dev(probe_ent->dev); - void __iomem *mmio = probe_ent->mmio_base; + void __iomem *mmio = probe_ent->iomap[AHCI_PCI_BAR]; u32 vers, cap, impl, speed; const char *speed_s; u16 cc; @@ -1619,11 +1602,11 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent) speed_s = "?"; pci_read_config_word(pdev, 0x0a, &cc); - if (cc == 0x0101) + if (cc == PCI_CLASS_STORAGE_IDE) scc_s = "IDE"; - else if (cc == 0x0106) + else if (cc == PCI_CLASS_STORAGE_SATA) scc_s = "SATA"; - else if (cc == 0x0104) + else if (cc == PCI_CLASS_STORAGE_RAID) scc_s = "RAID"; else scc_s = "unknown"; @@ -1667,15 +1650,13 @@ static void ahci_print_info(struct ata_probe_ent *probe_ent) ); } -static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) +static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; - struct ahci_host_priv *hpriv; - unsigned long base; - void __iomem *mmio_base; unsigned int board_idx = (unsigned int) ent->driver_data; - int have_msi, pci_dev_busy = 0; + struct device *dev = &pdev->dev; + struct ata_probe_ent *probe_ent; + struct ahci_host_priv *hpriv; int rc; VPRINTK("ENTER\n"); @@ -1685,57 +1666,36 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - /* JMicron-specific fixup: make sure we're in AHCI mode */ - /* This is protected from races with ata_jmicron by the pci probe - locking */ if (pdev->vendor == PCI_VENDOR_ID_JMICRON) { - /* AHCI enable, AHCI on function 0 */ - pci_write_config_byte(pdev, 0x41, 0xa1); - /* Function 1 is the PATA controller */ + /* Function 1 is the PATA controller except on the 368, where + we are not AHCI anyway */ if (PCI_FUNC(pdev->devfn)) return -ENODEV; } - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + rc = pcim_iomap_regions(pdev, 1 << AHCI_PCI_BAR, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; - if (pci_enable_msi(pdev) == 0) - have_msi = 1; - else { + if (pci_enable_msi(pdev)) pci_intx(pdev, 1); - have_msi = 0; - } - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_msi; - } + probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, AHCI_PCI_BAR, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - base = (unsigned long) mmio_base; - - hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL); - if (!hpriv) { - rc = -ENOMEM; - goto err_out_iounmap; - } - memset(hpriv, 0, sizeof(*hpriv)); + hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; probe_ent->sht = ahci_port_info[board_idx].sht; probe_ent->port_flags = ahci_port_info[board_idx].flags; @@ -1745,16 +1705,13 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); probe_ent->private_data = hpriv; - if (have_msi) - hpriv->flags |= AHCI_FLAG_MSI; - /* initialize adapter */ rc = ahci_host_init(probe_ent); if (rc) - goto err_out_hpriv; + return rc; if (!(probe_ent->port_flags & AHCI_FLAG_NO_NCQ) && (hpriv->cap & HOST_CAP_NCQ)) @@ -1762,62 +1719,11 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ahci_print_info(probe_ent); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(dev, probe_ent); return 0; - -err_out_hpriv: - kfree(hpriv); -err_out_iounmap: - pci_iounmap(pdev, mmio_base); -err_out_free_ent: - kfree(probe_ent); -err_out_msi: - if (have_msi) - pci_disable_msi(pdev); - else - pci_intx(pdev, 0); - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; -} - -static void ahci_remove_one (struct pci_dev *pdev) -{ - struct device *dev = pci_dev_to_dev(pdev); - struct ata_host *host = dev_get_drvdata(dev); - struct ahci_host_priv *hpriv = host->private_data; - unsigned int i; - int have_msi; - - for (i = 0; i < host->n_ports; i++) - ata_port_detach(host->ports[i]); - - have_msi = hpriv->flags & AHCI_FLAG_MSI; - free_irq(host->irq, host); - - for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap = host->ports[i]; - - ata_scsi_release(ap->scsi_host); - scsi_host_put(ap->scsi_host); - } - - kfree(hpriv); - pci_iounmap(pdev, host->mmio_base); - kfree(host); - - if (have_msi) - pci_disable_msi(pdev); - else - pci_intx(pdev, 0); - pci_release_regions(pdev); - pci_disable_device(pdev); - dev_set_drvdata(dev, NULL); } static int __init ahci_init(void) diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 24af56081b5..be66ea08da5 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -79,7 +79,7 @@ static int generic_set_mode(struct ata_port *ap, struct ata_device **unused) /* Bits 5 and 6 indicate if DMA is active on master/slave */ if (ap->ioaddr.bmdma_addr) - dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; @@ -138,7 +138,7 @@ static struct ata_port_operations generic_port_ops = { .bmdma_stop = ata_bmdma_stop, .bmdma_status = ata_bmdma_status, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -150,10 +150,10 @@ static struct ata_port_operations generic_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int all_generic_ide; /* Set to claim all devices */ diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 47701b286f8..4d716c7347e 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -118,7 +118,7 @@ enum { PIIX_80C_SEC = (1 << 7) | (1 << 6), /* controller IDs */ - piix_pata_33 = 0, /* PIIX3 or 4 at 33Mhz */ + piix_pata_33 = 0, /* PIIX4 at 33Mhz */ ich_pata_33 = 1, /* ICH up to UDMA 33 only */ ich_pata_66 = 2, /* ICH up to 66 Mhz */ ich_pata_100 = 3, /* ICH up to UDMA 100 */ @@ -128,6 +128,7 @@ enum { ich6_sata_ahci = 7, ich6m_sata_ahci = 8, ich8_sata_ahci = 9, + piix_pata_mwdma = 10, /* PIIX3 MWDMA only */ /* constants for mapping table */ P0 = 0, /* port 0 */ @@ -153,7 +154,6 @@ struct piix_host_priv { static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); -static void piix_host_stop(struct ata_host *host); static void piix_pata_error_handler(struct ata_port *ap); static void ich_pata_error_handler(struct ata_port *ap); static void piix_sata_error_handler(struct ata_port *ap); @@ -164,7 +164,8 @@ static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev); static unsigned int in_module_init = 1; static const struct pci_device_id piix_pci_tbl[] = { -#ifdef ATA_ENABLE_PATA + /* Intel PIIX3 for the 430HX etc */ + { 0x8086, 0x7010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_mwdma }, /* Intel PIIX4 for the 430TX/440BX/MX chipset: UDMA 33 */ /* Also PIIX4E (fn3 rev 2) and PIIX4M (fn3 rev 3) */ { 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_33 }, @@ -202,7 +203,6 @@ static const struct pci_device_id piix_pci_tbl[] = { /* ICH7/7-R (i945, i975) UDMA 100*/ { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_133 }, { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, -#endif /* NOTE: The following PCI ids must be kept in sync with the * list in drivers/pci/quirks.c. @@ -297,7 +297,7 @@ static const struct ata_port_operations piix_pata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -306,10 +306,10 @@ static const struct ata_port_operations piix_pata_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = piix_host_stop, }; static const struct ata_port_operations ich_pata_ops = { @@ -330,7 +330,7 @@ static const struct ata_port_operations ich_pata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -339,10 +339,10 @@ static const struct ata_port_operations ich_pata_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = piix_host_stop, }; static const struct ata_port_operations piix_sata_ops = { @@ -360,7 +360,7 @@ static const struct ata_port_operations piix_sata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -369,10 +369,10 @@ static const struct ata_port_operations piix_sata_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = piix_host_stop, }; static const struct piix_map_db ich5_map_db = { @@ -441,7 +441,7 @@ static const struct piix_map_db *piix_map_db_table[] = { }; static struct ata_port_info piix_port_info[] = { - /* piix_pata_33: 0: PIIX3 or 4 at 33MHz */ + /* piix_pata_33: 0: PIIX4 at 33MHz */ { .sht = &piix_sht, .flags = PIIX_PATA_FLAGS, @@ -543,6 +543,14 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, + /* piix_pata_mwdma: 10: PIIX3 MWDMA only */ + { + .sht = &piix_sht, + .flags = PIIX_PATA_FLAGS, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ + .port_ops = &piix_pata_ops, + }, }; static struct pci_bits piix_enable_bits[] = { @@ -569,6 +577,7 @@ struct ich_laptop { static const struct ich_laptop ich_laptop[] = { /* devid, subvendor, subdev */ { 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */ + { 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */ /* end marker */ { 0, } }; @@ -632,7 +641,7 @@ static int piix_pata_prereset(struct ata_port *ap) if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no])) return -ENOENT; - + ap->cbl = ATA_CBL_PATA40; return ata_std_prereset(ap); } @@ -776,7 +785,7 @@ static void do_pata_set_dmamode (struct ata_port *ap, struct ata_device *adev, i u16 master_data; u8 speed = adev->dma_mode; int devid = adev->devno + 2 * ap->port_no; - u8 udma_enable; + u8 udma_enable = 0; static const /* ISP RTC */ u8 timings[][2] = { { 0, 0 }, @@ -786,7 +795,8 @@ static void do_pata_set_dmamode (struct ata_port *ap, struct ata_device *adev, i { 2, 3 }, }; pci_read_config_word(dev, master_port, &master_data); - pci_read_config_byte(dev, 0x48, &udma_enable); + if (ap->udma_mask) + pci_read_config_byte(dev, 0x48, &udma_enable); if (speed >= XFER_UDMA_0) { unsigned int udma = adev->dma_mode - XFER_UDMA_0; @@ -1059,6 +1069,7 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev, static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; + struct device *dev = &pdev->dev; struct ata_port_info port_info[2]; struct ata_port_info *ppinfo[2] = { &port_info[0], &port_info[1] }; struct piix_host_priv *hpriv; @@ -1072,7 +1083,7 @@ static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (!in_module_init) return -ENODEV; - hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); + hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); if (!hpriv) return -ENOMEM; @@ -1122,15 +1133,6 @@ static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) return ata_pci_init_one(pdev, ppinfo, 2); } -static void piix_host_stop(struct ata_host *host) -{ - struct piix_host_priv *hpriv = host->private_data; - - ata_host_stop(host); - - kfree(hpriv); -} - static int __init piix_init(void) { int rc; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 667acd28336..25d8d3f778a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -59,6 +59,9 @@ #include "libata.h" +#define DRV_VERSION "2.10" /* must be exactly four chars */ + + /* debounce timing parameters in msecs { interval, duration, timeout } */ const unsigned long sata_deb_timing_normal[] = { 5, 100, 2000 }; const unsigned long sata_deb_timing_hotplug[] = { 25, 500, 2000 }; @@ -598,51 +601,7 @@ void ata_dev_disable(struct ata_device *dev) } /** - * ata_pio_devchk - PATA device presence detection - * @ap: ATA channel to examine - * @device: Device to examine (starting at zero) - * - * This technique was originally described in - * Hale Landis's ATADRVR (www.ata-atapi.com), and - * later found its way into the ATA/ATAPI spec. - * - * Write a pattern to the ATA shadow registers, - * and if a device is present, it will respond by - * correctly storing and echoing back the - * ATA shadow register contents. - * - * LOCKING: - * caller. - */ - -static unsigned int ata_pio_devchk(struct ata_port *ap, - unsigned int device) -{ - struct ata_ioports *ioaddr = &ap->ioaddr; - u8 nsect, lbal; - - ap->ops->dev_select(ap, device); - - outb(0x55, ioaddr->nsect_addr); - outb(0xaa, ioaddr->lbal_addr); - - outb(0xaa, ioaddr->nsect_addr); - outb(0x55, ioaddr->lbal_addr); - - outb(0x55, ioaddr->nsect_addr); - outb(0xaa, ioaddr->lbal_addr); - - nsect = inb(ioaddr->nsect_addr); - lbal = inb(ioaddr->lbal_addr); - - if ((nsect == 0x55) && (lbal == 0xaa)) - return 1; /* we found a device */ - - return 0; /* nothing found */ -} - -/** - * ata_mmio_devchk - PATA device presence detection + * ata_devchk - PATA device presence detection * @ap: ATA channel to examine * @device: Device to examine (starting at zero) * @@ -659,25 +618,24 @@ static unsigned int ata_pio_devchk(struct ata_port *ap, * caller. */ -static unsigned int ata_mmio_devchk(struct ata_port *ap, - unsigned int device) +static unsigned int ata_devchk(struct ata_port *ap, unsigned int device) { struct ata_ioports *ioaddr = &ap->ioaddr; u8 nsect, lbal; ap->ops->dev_select(ap, device); - writeb(0x55, (void __iomem *) ioaddr->nsect_addr); - writeb(0xaa, (void __iomem *) ioaddr->lbal_addr); + iowrite8(0x55, ioaddr->nsect_addr); + iowrite8(0xaa, ioaddr->lbal_addr); - writeb(0xaa, (void __iomem *) ioaddr->nsect_addr); - writeb(0x55, (void __iomem *) ioaddr->lbal_addr); + iowrite8(0xaa, ioaddr->nsect_addr); + iowrite8(0x55, ioaddr->lbal_addr); - writeb(0x55, (void __iomem *) ioaddr->nsect_addr); - writeb(0xaa, (void __iomem *) ioaddr->lbal_addr); + iowrite8(0x55, ioaddr->nsect_addr); + iowrite8(0xaa, ioaddr->lbal_addr); - nsect = readb((void __iomem *) ioaddr->nsect_addr); - lbal = readb((void __iomem *) ioaddr->lbal_addr); + nsect = ioread8(ioaddr->nsect_addr); + lbal = ioread8(ioaddr->lbal_addr); if ((nsect == 0x55) && (lbal == 0xaa)) return 1; /* we found a device */ @@ -686,27 +644,6 @@ static unsigned int ata_mmio_devchk(struct ata_port *ap, } /** - * ata_devchk - PATA device presence detection - * @ap: ATA channel to examine - * @device: Device to examine (starting at zero) - * - * Dispatch ATA device presence detection, depending - * on whether we are using PIO or MMIO to talk to the - * ATA shadow registers. - * - * LOCKING: - * caller. - */ - -static unsigned int ata_devchk(struct ata_port *ap, - unsigned int device) -{ - if (ap->flags & ATA_FLAG_MMIO) - return ata_mmio_devchk(ap, device); - return ata_pio_devchk(ap, device); -} - -/** * ata_dev_classify - determine device type based on ATA-spec signature * @tf: ATA taskfile register set for device to be identified * @@ -923,11 +860,7 @@ void ata_std_dev_select (struct ata_port *ap, unsigned int device) else tmp = ATA_DEVICE_OBS | ATA_DEV1; - if (ap->flags & ATA_FLAG_MMIO) { - writeb(tmp, (void __iomem *) ap->ioaddr.device_addr); - } else { - outb(tmp, ap->ioaddr.device_addr); - } + iowrite8(tmp, ap->ioaddr.device_addr); ata_pause(ap); /* needed; also flushes, for mmio */ } @@ -1156,7 +1089,7 @@ void ata_port_flush_task(struct ata_port *ap) ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __FUNCTION__); } -void ata_qc_complete_internal(struct ata_queued_cmd *qc) +static void ata_qc_complete_internal(struct ata_queued_cmd *qc) { struct completion *waiting = qc->private_data; @@ -1249,7 +1182,6 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, buflen += sg[i].length; ata_sg_init(qc, sg, n_elem); - qc->nsect = buflen / ATA_SECT_SIZE; qc->nbytes = buflen; } @@ -1292,7 +1224,7 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, if (ap->ops->post_internal_cmd) ap->ops->post_internal_cmd(qc); - if (qc->flags & ATA_QCFLAG_FAILED && !qc->err_mask) { + if ((qc->flags & ATA_QCFLAG_FAILED) && !qc->err_mask) { if (ata_msg_warn(ap)) ata_dev_printk(dev, KERN_WARNING, "zero err_mask for failed " @@ -1608,6 +1540,8 @@ int ata_dev_configure(struct ata_device *dev) const u16 *id = dev->id; unsigned int xfer_mask; char revbuf[7]; /* XYZ-99\0 */ + char fwrevbuf[ATA_ID_FW_REV_LEN+1]; + char modelbuf[ATA_ID_PROD_LEN+1]; int rc; if (!ata_dev_enabled(dev) && ata_msg_info(ap)) { @@ -1662,6 +1596,16 @@ int ata_dev_configure(struct ata_device *dev) dev->n_sectors = ata_id_n_sectors(id); + /* SCSI only uses 4-char revisions, dump full 8 chars from ATA */ + ata_id_c_string(dev->id, fwrevbuf, ATA_ID_FW_REV, + sizeof(fwrevbuf)); + + ata_id_c_string(dev->id, modelbuf, ATA_ID_PROD, + sizeof(modelbuf)); + + if (dev->id[59] & 0x100) + dev->multi_count = dev->id[59] & 0xff; + if (ata_id_has_lba(id)) { const char *lba_desc; char ncq_desc[20]; @@ -1681,13 +1625,16 @@ int ata_dev_configure(struct ata_device *dev) ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc)); /* print device info to dmesg */ - if (ata_msg_drv(ap) && print_info) - ata_dev_printk(dev, KERN_INFO, "%s, " - "max %s, %Lu sectors: %s %s\n", - revbuf, - ata_mode_string(xfer_mask), + if (ata_msg_drv(ap) && print_info) { + ata_dev_printk(dev, KERN_INFO, + "%s: %s, %s, max %s\n", + revbuf, modelbuf, fwrevbuf, + ata_mode_string(xfer_mask)); + ata_dev_printk(dev, KERN_INFO, + "%Lu sectors, multi %u: %s %s\n", (unsigned long long)dev->n_sectors, - lba_desc, ncq_desc); + dev->multi_count, lba_desc, ncq_desc); + } } else { /* CHS */ @@ -1704,22 +1651,17 @@ int ata_dev_configure(struct ata_device *dev) } /* print device info to dmesg */ - if (ata_msg_drv(ap) && print_info) - ata_dev_printk(dev, KERN_INFO, "%s, " - "max %s, %Lu sectors: CHS %u/%u/%u\n", - revbuf, - ata_mode_string(xfer_mask), - (unsigned long long)dev->n_sectors, - dev->cylinders, dev->heads, - dev->sectors); - } - - if (dev->id[59] & 0x100) { - dev->multi_count = dev->id[59] & 0xff; - if (ata_msg_drv(ap) && print_info) + if (ata_msg_drv(ap) && print_info) { ata_dev_printk(dev, KERN_INFO, - "ata%u: dev %u multi count %u\n", - ap->id, dev->devno, dev->multi_count); + "%s: %s, %s, max %s\n", + revbuf, modelbuf, fwrevbuf, + ata_mode_string(xfer_mask)); + ata_dev_printk(dev, KERN_INFO, + "%Lu sectors, multi %u, CHS %u/%u/%u\n", + (unsigned long long)dev->n_sectors, + dev->multi_count, dev->cylinders, + dev->heads, dev->sectors); + } } dev->cdb_len = 16; @@ -2391,6 +2333,10 @@ static int ata_dev_set_mode(struct ata_device *dev) dev->flags |= ATA_DFLAG_PIO; err_mask = ata_dev_set_xfermode(dev); + /* Old CFA may refuse this command, which is just fine */ + if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id)) + err_mask &= ~AC_ERR_DEV; + if (err_mask) { ata_dev_printk(dev, KERN_ERR, "failed to set xfermode " "(err_mask=0x%x)\n", err_mask); @@ -2493,7 +2439,7 @@ int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev) for (i = 0; i < ATA_MAX_DEVICES; i++) { dev = &ap->device[i]; - /* don't udpate suspended devices' xfer mode */ + /* don't update suspended devices' xfer mode */ if (!ata_dev_ready(dev)) continue; @@ -2614,13 +2560,8 @@ static void ata_bus_post_reset(struct ata_port *ap, unsigned int devmask) u8 nsect, lbal; ap->ops->dev_select(ap, 1); - if (ap->flags & ATA_FLAG_MMIO) { - nsect = readb((void __iomem *) ioaddr->nsect_addr); - lbal = readb((void __iomem *) ioaddr->lbal_addr); - } else { - nsect = inb(ioaddr->nsect_addr); - lbal = inb(ioaddr->lbal_addr); - } + nsect = ioread8(ioaddr->nsect_addr); + lbal = ioread8(ioaddr->lbal_addr); if ((nsect == 1) && (lbal == 1)) break; if (time_after(jiffies, timeout)) { @@ -2648,19 +2589,11 @@ static unsigned int ata_bus_softreset(struct ata_port *ap, DPRINTK("ata%u: bus reset via SRST\n", ap->id); /* software reset. causes dev0 to be selected */ - if (ap->flags & ATA_FLAG_MMIO) { - writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr); - udelay(20); /* FIXME: flush */ - writeb(ap->ctl | ATA_SRST, (void __iomem *) ioaddr->ctl_addr); - udelay(20); /* FIXME: flush */ - writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr); - } else { - outb(ap->ctl, ioaddr->ctl_addr); - udelay(10); - outb(ap->ctl | ATA_SRST, ioaddr->ctl_addr); - udelay(10); - outb(ap->ctl, ioaddr->ctl_addr); - } + iowrite8(ap->ctl, ioaddr->ctl_addr); + udelay(20); /* FIXME: flush */ + iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr); + udelay(20); /* FIXME: flush */ + iowrite8(ap->ctl, ioaddr->ctl_addr); /* spec mandates ">= 2ms" before checking status. * We wait 150ms, because that was the magic delay used for @@ -2745,8 +2678,7 @@ void ata_bus_reset(struct ata_port *ap) ap->device[1].class = ata_dev_try_classify(ap, 1, &err); /* re-enable interrupts */ - if (ap->ioaddr.ctl_addr) /* FIXME: hack. create a hook instead */ - ata_irq_on(ap); + ap->ops->irq_on(ap); /* is double-select really necessary? */ if (ap->device[1].class != ATA_DEV_NONE) @@ -2761,10 +2693,7 @@ void ata_bus_reset(struct ata_port *ap) if (ap->flags & (ATA_FLAG_SATA_RESET | ATA_FLAG_SRST)) { /* set up device control for ATA_FLAG_SATA_RESET */ - if (ap->flags & ATA_FLAG_MMIO) - writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr); - else - outb(ap->ctl, ioaddr->ctl_addr); + iowrite8(ap->ctl, ioaddr->ctl_addr); } DPRINTK("EXIT\n"); @@ -3098,6 +3027,9 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class) return 0; } + /* wait a while before checking status, see SRST for more info */ + msleep(150); + if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) { ata_port_printk(ap, KERN_ERR, "COMRESET failed (device not ready)\n"); @@ -3138,11 +3070,8 @@ void ata_std_postreset(struct ata_port *ap, unsigned int *classes) sata_scr_write(ap, SCR_ERROR, serror); /* re-enable interrupts */ - if (!ap->ops->error_handler) { - /* FIXME: hack. create a hook instead */ - if (ap->ioaddr.ctl_addr) - ata_irq_on(ap); - } + if (!ap->ops->error_handler) + ap->ops->irq_on(ap); /* is double-select really necessary? */ if (classes[0] != ATA_DEV_NONE) @@ -3157,12 +3086,8 @@ void ata_std_postreset(struct ata_port *ap, unsigned int *classes) } /* set up device control */ - if (ap->ioaddr.ctl_addr) { - if (ap->flags & ATA_FLAG_MMIO) - writeb(ap->ctl, (void __iomem *) ap->ioaddr.ctl_addr); - else - outb(ap->ctl, ap->ioaddr.ctl_addr); - } + if (ap->ioaddr.ctl_addr) + iowrite8(ap->ctl, ap->ioaddr.ctl_addr); DPRINTK("EXIT\n"); } @@ -3187,7 +3112,8 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, const u16 *new_id) { const u16 *old_id = dev->id; - unsigned char model[2][41], serial[2][21]; + unsigned char model[2][ATA_ID_PROD_LEN + 1]; + unsigned char serial[2][ATA_ID_SERNO_LEN + 1]; u64 new_n_sectors; if (dev->class != new_class) { @@ -3196,10 +3122,10 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, return 0; } - ata_id_c_string(old_id, model[0], ATA_ID_PROD_OFS, sizeof(model[0])); - ata_id_c_string(new_id, model[1], ATA_ID_PROD_OFS, sizeof(model[1])); - ata_id_c_string(old_id, serial[0], ATA_ID_SERNO_OFS, sizeof(serial[0])); - ata_id_c_string(new_id, serial[1], ATA_ID_SERNO_OFS, sizeof(serial[1])); + ata_id_c_string(old_id, model[0], ATA_ID_PROD, sizeof(model[0])); + ata_id_c_string(new_id, model[1], ATA_ID_PROD, sizeof(model[1])); + ata_id_c_string(old_id, serial[0], ATA_ID_SERNO, sizeof(serial[0])); + ata_id_c_string(new_id, serial[1], ATA_ID_SERNO, sizeof(serial[1])); new_n_sectors = ata_id_n_sectors(new_id); if (strcmp(model[0], model[1])) { @@ -3324,37 +3250,20 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { } }; -static int ata_strim(char *s, size_t len) -{ - len = strnlen(s, len); - - /* ATAPI specifies that empty space is blank-filled; remove blanks */ - while ((len > 0) && (s[len - 1] == ' ')) { - len--; - s[len] = 0; - } - return len; -} - unsigned long ata_device_blacklisted(const struct ata_device *dev) { - unsigned char model_num[40]; - unsigned char model_rev[16]; - unsigned int nlen, rlen; + unsigned char model_num[ATA_ID_PROD_LEN + 1]; + unsigned char model_rev[ATA_ID_FW_REV_LEN + 1]; const struct ata_blacklist_entry *ad = ata_device_blacklist; - ata_id_string(dev->id, model_num, ATA_ID_PROD_OFS, - sizeof(model_num)); - ata_id_string(dev->id, model_rev, ATA_ID_FW_REV_OFS, - sizeof(model_rev)); - nlen = ata_strim(model_num, sizeof(model_num)); - rlen = ata_strim(model_rev, sizeof(model_rev)); + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); + ata_id_c_string(dev->id, model_rev, ATA_ID_FW_REV, sizeof(model_rev)); while (ad->model_num) { - if (!strncmp(ad->model_num, model_num, nlen)) { + if (!strcmp(ad->model_num, model_num)) { if (ad->model_rev == NULL) return ad->horkage; - if (!strncmp(ad->model_rev, model_rev, rlen)) + if (!strcmp(ad->model_rev, model_rev)) return ad->horkage; } ad++; @@ -3894,53 +3803,7 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) } /** - * ata_mmio_data_xfer - Transfer data by MMIO - * @adev: device for this I/O - * @buf: data buffer - * @buflen: buffer length - * @write_data: read/write - * - * Transfer data from/to the device data register by MMIO. - * - * LOCKING: - * Inherited from caller. - */ - -void ata_mmio_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) -{ - struct ata_port *ap = adev->ap; - unsigned int i; - unsigned int words = buflen >> 1; - u16 *buf16 = (u16 *) buf; - void __iomem *mmio = (void __iomem *)ap->ioaddr.data_addr; - - /* Transfer multiple of 2 bytes */ - if (write_data) { - for (i = 0; i < words; i++) - writew(le16_to_cpu(buf16[i]), mmio); - } else { - for (i = 0; i < words; i++) - buf16[i] = cpu_to_le16(readw(mmio)); - } - - /* Transfer trailing 1 byte, if any. */ - if (unlikely(buflen & 0x01)) { - u16 align_buf[1] = { 0 }; - unsigned char *trailing_buf = buf + buflen - 1; - - if (write_data) { - memcpy(align_buf, trailing_buf, 1); - writew(le16_to_cpu(align_buf[0]), mmio); - } else { - align_buf[0] = cpu_to_le16(readw(mmio)); - memcpy(trailing_buf, align_buf, 1); - } - } -} - -/** - * ata_pio_data_xfer - Transfer data by PIO + * ata_data_xfer - Transfer data by PIO * @adev: device to target * @buf: data buffer * @buflen: buffer length @@ -3951,18 +3814,17 @@ void ata_mmio_data_xfer(struct ata_device *adev, unsigned char *buf, * LOCKING: * Inherited from caller. */ - -void ata_pio_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +void ata_data_xfer(struct ata_device *adev, unsigned char *buf, + unsigned int buflen, int write_data) { struct ata_port *ap = adev->ap; unsigned int words = buflen >> 1; /* Transfer multiple of 2 bytes */ if (write_data) - outsw(ap->ioaddr.data_addr, buf, words); + iowrite16_rep(ap->ioaddr.data_addr, buf, words); else - insw(ap->ioaddr.data_addr, buf, words); + ioread16_rep(ap->ioaddr.data_addr, buf, words); /* Transfer trailing 1 byte, if any. */ if (unlikely(buflen & 0x01)) { @@ -3971,16 +3833,16 @@ void ata_pio_data_xfer(struct ata_device *adev, unsigned char *buf, if (write_data) { memcpy(align_buf, trailing_buf, 1); - outw(le16_to_cpu(align_buf[0]), ap->ioaddr.data_addr); + iowrite16(le16_to_cpu(align_buf[0]), ap->ioaddr.data_addr); } else { - align_buf[0] = cpu_to_le16(inw(ap->ioaddr.data_addr)); + align_buf[0] = cpu_to_le16(ioread16(ap->ioaddr.data_addr)); memcpy(trailing_buf, align_buf, 1); } } } /** - * ata_pio_data_xfer_noirq - Transfer data by PIO + * ata_data_xfer_noirq - Transfer data by PIO * @adev: device to target * @buf: data buffer * @buflen: buffer length @@ -3992,13 +3854,12 @@ void ata_pio_data_xfer(struct ata_device *adev, unsigned char *buf, * LOCKING: * Inherited from caller. */ - -void ata_pio_data_xfer_noirq(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf, + unsigned int buflen, int write_data) { unsigned long flags; local_irq_save(flags); - ata_pio_data_xfer(adev, buf, buflen, write_data); + ata_data_xfer(adev, buf, buflen, write_data); local_irq_restore(flags); } @@ -4022,11 +3883,11 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) unsigned int offset; unsigned char *buf; - if (qc->cursect == (qc->nsect - 1)) + if (qc->curbytes == qc->nbytes - ATA_SECT_SIZE) ap->hsm_task_state = HSM_ST_LAST; page = sg[qc->cursg].page; - offset = sg[qc->cursg].offset + qc->cursg_ofs * ATA_SECT_SIZE; + offset = sg[qc->cursg].offset + qc->cursg_ofs; /* get the current page and offset */ page = nth_page(page, (offset >> PAGE_SHIFT)); @@ -4051,10 +3912,10 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) ap->ops->data_xfer(qc->dev, buf + offset, ATA_SECT_SIZE, do_write); } - qc->cursect++; - qc->cursg_ofs++; + qc->curbytes += ATA_SECT_SIZE; + qc->cursg_ofs += ATA_SECT_SIZE; - if ((qc->cursg_ofs * ATA_SECT_SIZE) == (&sg[qc->cursg])->length) { + if (qc->cursg_ofs == (&sg[qc->cursg])->length) { qc->cursg++; qc->cursg_ofs = 0; } @@ -4079,7 +3940,8 @@ static void ata_pio_sectors(struct ata_queued_cmd *qc) WARN_ON(qc->dev->multi_count == 0); - nsect = min(qc->nsect - qc->cursect, qc->dev->multi_count); + nsect = min((qc->nbytes - qc->curbytes) / ATA_SECT_SIZE, + qc->dev->multi_count); while (nsect--) ata_pio_sector(qc); } else @@ -4320,7 +4182,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) qc = ata_qc_from_tag(ap, qc->tag); if (qc) { if (likely(!(qc->err_mask & AC_ERR_HSM))) { - ata_irq_on(ap); + ap->ops->irq_on(ap); ata_qc_complete(qc); } else ata_port_freeze(ap); @@ -4336,7 +4198,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) } else { if (in_wq) { spin_lock_irqsave(ap->lock, flags); - ata_irq_on(ap); + ap->ops->irq_on(ap); ata_qc_complete(qc); spin_unlock_irqrestore(ap->lock, flags); } else @@ -5161,7 +5023,7 @@ idle_irq: #ifdef ATA_IRQ_TRAP if ((ap->stats.idle_irq % 1000) == 0) { - ata_irq_ack(ap, 0); /* debug trap */ + ap->ops->irq_ack(ap, 0); /* debug trap */ ata_port_printk(ap, KERN_WARNING, "irq trap\n"); return 1; } @@ -5502,54 +5364,25 @@ void ata_host_resume(struct ata_host *host) * LOCKING: * Inherited from caller. */ - -int ata_port_start (struct ata_port *ap) +int ata_port_start(struct ata_port *ap) { struct device *dev = ap->dev; int rc; - ap->prd = dma_alloc_coherent(dev, ATA_PRD_TBL_SZ, &ap->prd_dma, GFP_KERNEL); + ap->prd = dmam_alloc_coherent(dev, ATA_PRD_TBL_SZ, &ap->prd_dma, + GFP_KERNEL); if (!ap->prd) return -ENOMEM; rc = ata_pad_alloc(ap, dev); - if (rc) { - dma_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma); + if (rc) return rc; - } - - DPRINTK("prd alloc, virt %p, dma %llx\n", ap->prd, (unsigned long long) ap->prd_dma); + DPRINTK("prd alloc, virt %p, dma %llx\n", ap->prd, + (unsigned long long)ap->prd_dma); return 0; } - -/** - * ata_port_stop - Undo ata_port_start() - * @ap: Port to shut down - * - * Frees the PRD table. - * - * May be used as the port_stop() entry in ata_port_operations. - * - * LOCKING: - * Inherited from caller. - */ - -void ata_port_stop (struct ata_port *ap) -{ - struct device *dev = ap->dev; - - dma_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma); - ata_pad_free(ap, dev); -} - -void ata_host_stop (struct ata_host *host) -{ - if (host->mmio_base) - iounmap(host->mmio_base); -} - /** * ata_dev_init - Initialize an ata_device structure * @dev: Device structure to initialize @@ -5723,6 +5556,27 @@ static struct ata_port * ata_port_add(const struct ata_probe_ent *ent, return ap; } +static void ata_host_release(struct device *gendev, void *res) +{ + struct ata_host *host = dev_get_drvdata(gendev); + int i; + + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + + if (!ap) + continue; + + if (ap->ops->port_stop) + ap->ops->port_stop(ap); + + scsi_host_put(ap->scsi_host); + } + + if (host->ops->host_stop) + host->ops->host_stop(host); +} + /** * ata_sas_host_init - Initialize a host struct * @host: host to initialize @@ -5770,22 +5624,28 @@ int ata_device_add(const struct ata_probe_ent *ent) int rc; DPRINTK("ENTER\n"); - + if (ent->irq == 0) { dev_printk(KERN_ERR, dev, "is not available: No interrupt assigned.\n"); return 0; } + + if (!devres_open_group(dev, ata_device_add, GFP_KERNEL)) + return 0; + /* alloc a container for our list of ATA ports (buses) */ - host = kzalloc(sizeof(struct ata_host) + - (ent->n_ports * sizeof(void *)), GFP_KERNEL); + host = devres_alloc(ata_host_release, sizeof(struct ata_host) + + (ent->n_ports * sizeof(void *)), GFP_KERNEL); if (!host) - return 0; + goto err_out; + devres_add(dev, host); + dev_set_drvdata(dev, host); ata_host_init(host, dev, ent->_host_flags, ent->port_ops); host->n_ports = ent->n_ports; host->irq = ent->irq; host->irq2 = ent->irq2; - host->mmio_base = ent->mmio_base; + host->iomap = ent->iomap; host->private_data = ent->private_data; /* register each port bound to this device */ @@ -5823,8 +5683,8 @@ int ata_device_add(const struct ata_probe_ent *ent) (ap->pio_mask << ATA_SHIFT_PIO); /* print per-port info to dmesg */ - ata_port_printk(ap, KERN_INFO, "%cATA max %s cmd 0x%lX " - "ctl 0x%lX bmdma 0x%lX irq %d\n", + ata_port_printk(ap, KERN_INFO, "%cATA max %s cmd 0x%p " + "ctl 0x%p bmdma 0x%p irq %d\n", ap->flags & ATA_FLAG_SATA ? 'S' : 'P', ata_mode_string(xfer_mode_mask), ap->ioaddr.cmd_addr, @@ -5837,8 +5697,8 @@ int ata_device_add(const struct ata_probe_ent *ent) } /* obtain irq, that may be shared between channels */ - rc = request_irq(ent->irq, ent->port_ops->irq_handler, ent->irq_flags, - DRV_NAME, host); + rc = devm_request_irq(dev, ent->irq, ent->port_ops->irq_handler, + ent->irq_flags, DRV_NAME, host); if (rc) { dev_printk(KERN_ERR, dev, "irq %lu request failed: %d\n", ent->irq, rc); @@ -5851,15 +5711,19 @@ int ata_device_add(const struct ata_probe_ent *ent) so trap it now */ BUG_ON(ent->irq == ent->irq2); - rc = request_irq(ent->irq2, ent->port_ops->irq_handler, ent->irq_flags, - DRV_NAME, host); + rc = devm_request_irq(dev, ent->irq2, + ent->port_ops->irq_handler, ent->irq_flags, + DRV_NAME, host); if (rc) { dev_printk(KERN_ERR, dev, "irq %lu request failed: %d\n", ent->irq2, rc); - goto err_out_free_irq; + goto err_out; } } + /* resource acquisition complete */ + devres_remove_group(dev, ata_device_add); + /* perform each probe synchronously */ DPRINTK("probe begin\n"); for (i = 0; i < host->n_ports; i++) { @@ -5928,24 +5792,13 @@ int ata_device_add(const struct ata_probe_ent *ent) ata_scsi_scan_host(ap); } - dev_set_drvdata(dev, host); - VPRINTK("EXIT, returning %u\n", ent->n_ports); return ent->n_ports; /* success */ -err_out_free_irq: - free_irq(ent->irq, host); -err_out: - for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap = host->ports[i]; - if (ap) { - ap->ops->port_stop(ap); - scsi_host_put(ap->scsi_host); - } - } - - kfree(host); - VPRINTK("EXIT, returning 0\n"); + err_out: + devres_release_group(dev, ata_device_add); + dev_set_drvdata(dev, NULL); + VPRINTK("EXIT, returning %d\n", rc); return 0; } @@ -6008,76 +5861,20 @@ void ata_port_detach(struct ata_port *ap) } /** - * ata_host_remove - PCI layer callback for device removal - * @host: ATA host set that was removed + * ata_host_detach - Detach all ports of an ATA host + * @host: Host to detach * - * Unregister all objects associated with this host set. Free those - * objects. + * Detach all ports of @host. * * LOCKING: - * Inherited from calling layer (may sleep). + * Kernel thread context (may sleep). */ - -void ata_host_remove(struct ata_host *host) +void ata_host_detach(struct ata_host *host) { - unsigned int i; + int i; for (i = 0; i < host->n_ports; i++) ata_port_detach(host->ports[i]); - - free_irq(host->irq, host); - if (host->irq2) - free_irq(host->irq2, host); - - for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap = host->ports[i]; - - ata_scsi_release(ap->scsi_host); - - if ((ap->flags & ATA_FLAG_NO_LEGACY) == 0) { - struct ata_ioports *ioaddr = &ap->ioaddr; - - /* FIXME: Add -ac IDE pci mods to remove these special cases */ - if (ioaddr->cmd_addr == ATA_PRIMARY_CMD) - release_region(ATA_PRIMARY_CMD, 8); - else if (ioaddr->cmd_addr == ATA_SECONDARY_CMD) - release_region(ATA_SECONDARY_CMD, 8); - } - - scsi_host_put(ap->scsi_host); - } - - if (host->ops->host_stop) - host->ops->host_stop(host); - - kfree(host); -} - -/** - * ata_scsi_release - SCSI layer callback hook for host unload - * @shost: libata host to be unloaded - * - * Performs all duties necessary to shut down a libata port... - * Kill port kthread, disable port, and release resources. - * - * LOCKING: - * Inherited from SCSI layer. - * - * RETURNS: - * One. - */ - -int ata_scsi_release(struct Scsi_Host *shost) -{ - struct ata_port *ap = ata_shost_to_port(shost); - - DPRINTK("ENTER\n"); - - ap->ops->port_disable(ap); - ap->ops->port_stop(ap); - - DPRINTK("EXIT\n"); - return 1; } struct ata_probe_ent * @@ -6085,7 +5882,11 @@ ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port) { struct ata_probe_ent *probe_ent; - probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); + /* XXX - the following if can go away once all LLDs are managed */ + if (!list_empty(&dev->devres_head)) + probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL); + else + probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); if (!probe_ent) { printk(KERN_ERR DRV_NAME "(%s): out of memory\n", kobject_name(&(dev->kobj))); @@ -6135,37 +5936,23 @@ void ata_std_ports(struct ata_ioports *ioaddr) #ifdef CONFIG_PCI -void ata_pci_host_stop (struct ata_host *host) -{ - struct pci_dev *pdev = to_pci_dev(host->dev); - - pci_iounmap(pdev, host->mmio_base); -} - /** * ata_pci_remove_one - PCI layer callback for device removal * @pdev: PCI device that was removed * - * PCI layer indicates to libata via this hook that - * hot-unplug or module unload event has occurred. - * Handle this by unregistering all objects associated - * with this PCI device. Free those objects. Then finally - * release PCI resources and disable device. + * PCI layer indicates to libata via this hook that hot-unplug or + * module unload event has occurred. Detach all ports. Resource + * release is handled via devres. * * LOCKING: * Inherited from PCI layer (may sleep). */ - -void ata_pci_remove_one (struct pci_dev *pdev) +void ata_pci_remove_one(struct pci_dev *pdev) { struct device *dev = pci_dev_to_dev(pdev); struct ata_host *host = dev_get_drvdata(dev); - ata_host_remove(host); - - pci_release_regions(pdev); - pci_disable_device(pdev); - dev_set_drvdata(dev, NULL); + ata_host_detach(host); } /* move to PCI subsystem */ @@ -6212,12 +5999,22 @@ void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg) } } -void ata_pci_device_do_resume(struct pci_dev *pdev) +int ata_pci_device_do_resume(struct pci_dev *pdev) { + int rc; + pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - pci_enable_device(pdev); + + rc = pcim_enable_device(pdev); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "failed to enable device after resume (%d)\n", rc); + return rc; + } + pci_set_master(pdev); + return 0; } int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) @@ -6237,10 +6034,12 @@ int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) int ata_pci_device_resume(struct pci_dev *pdev) { struct ata_host *host = dev_get_drvdata(&pdev->dev); + int rc; - ata_pci_device_do_resume(pdev); - ata_host_resume(host); - return 0; + rc = ata_pci_device_do_resume(pdev); + if (rc == 0) + ata_host_resume(host); + return rc; } #endif /* CONFIG_PCI */ @@ -6386,8 +6185,7 @@ EXPORT_SYMBOL_GPL(ata_std_bios_param); EXPORT_SYMBOL_GPL(ata_std_ports); EXPORT_SYMBOL_GPL(ata_host_init); EXPORT_SYMBOL_GPL(ata_device_add); -EXPORT_SYMBOL_GPL(ata_port_detach); -EXPORT_SYMBOL_GPL(ata_host_remove); +EXPORT_SYMBOL_GPL(ata_host_detach); EXPORT_SYMBOL_GPL(ata_sg_init); EXPORT_SYMBOL_GPL(ata_sg_init_one); EXPORT_SYMBOL_GPL(ata_hsm_move); @@ -6404,12 +6202,9 @@ EXPORT_SYMBOL_GPL(ata_check_status); EXPORT_SYMBOL_GPL(ata_altstatus); EXPORT_SYMBOL_GPL(ata_exec_command); EXPORT_SYMBOL_GPL(ata_port_start); -EXPORT_SYMBOL_GPL(ata_port_stop); -EXPORT_SYMBOL_GPL(ata_host_stop); EXPORT_SYMBOL_GPL(ata_interrupt); -EXPORT_SYMBOL_GPL(ata_mmio_data_xfer); -EXPORT_SYMBOL_GPL(ata_pio_data_xfer); -EXPORT_SYMBOL_GPL(ata_pio_data_xfer_noirq); +EXPORT_SYMBOL_GPL(ata_data_xfer); +EXPORT_SYMBOL_GPL(ata_data_xfer_noirq); EXPORT_SYMBOL_GPL(ata_qc_prep); EXPORT_SYMBOL_GPL(ata_noop_qc_prep); EXPORT_SYMBOL_GPL(ata_bmdma_setup); @@ -6446,7 +6241,6 @@ EXPORT_SYMBOL_GPL(ata_scsi_queuecmd); EXPORT_SYMBOL_GPL(ata_scsi_slave_config); EXPORT_SYMBOL_GPL(ata_scsi_slave_destroy); EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth); -EXPORT_SYMBOL_GPL(ata_scsi_release); EXPORT_SYMBOL_GPL(ata_host_intr); EXPORT_SYMBOL_GPL(sata_scr_valid); EXPORT_SYMBOL_GPL(sata_scr_read); @@ -6467,7 +6261,6 @@ EXPORT_SYMBOL_GPL(ata_timing_merge); #ifdef CONFIG_PCI EXPORT_SYMBOL_GPL(pci_test_config_bits); -EXPORT_SYMBOL_GPL(ata_pci_host_stop); EXPORT_SYMBOL_GPL(ata_pci_init_native_mode); EXPORT_SYMBOL_GPL(ata_pci_init_one); EXPORT_SYMBOL_GPL(ata_pci_remove_one); @@ -6491,3 +6284,7 @@ EXPORT_SYMBOL_GPL(ata_eh_thaw_port); EXPORT_SYMBOL_GPL(ata_eh_qc_complete); EXPORT_SYMBOL_GPL(ata_eh_qc_retry); EXPORT_SYMBOL_GPL(ata_do_eh); +EXPORT_SYMBOL_GPL(ata_irq_on); +EXPORT_SYMBOL_GPL(ata_dummy_irq_on); +EXPORT_SYMBOL_GPL(ata_irq_ack); +EXPORT_SYMBOL_GPL(ata_dummy_irq_ack); diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 748435807d6..52c85af7fe9 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1443,15 +1443,10 @@ static void ata_eh_report(struct ata_port *ap) }; struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag); struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf; - unsigned int nbytes; if (!(qc->flags & ATA_QCFLAG_FAILED) || !qc->err_mask) continue; - nbytes = qc->nbytes; - if (!nbytes) - nbytes = qc->nsect << 9; - ata_dev_printk(qc->dev, KERN_ERR, "cmd %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x " "tag %d cdb 0x%x data %u %s\n " @@ -1461,7 +1456,7 @@ static void ata_eh_report(struct ata_port *ap) cmd->lbal, cmd->lbam, cmd->lbah, cmd->hob_feature, cmd->hob_nsect, cmd->hob_lbal, cmd->hob_lbam, cmd->hob_lbah, - cmd->device, qc->tag, qc->cdb[0], nbytes, + cmd->device, qc->tag, qc->cdb[0], qc->nbytes, dma_str[qc->dma_dir], res->command, res->feature, res->nsect, res->lbal, res->lbam, res->lbah, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 73902d33576..0009818a430 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -149,6 +149,45 @@ int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, } /** + * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl + * @sdev: SCSI device to get identify data for + * @arg: User buffer area for identify data + * + * LOCKING: + * Defined by the SCSI layer. We don't really care. + * + * RETURNS: + * Zero on success, negative errno on error. + */ +static int ata_get_identity(struct scsi_device *sdev, void __user *arg) +{ + struct ata_port *ap = ata_shost_to_port(sdev->host); + struct ata_device *dev = ata_scsi_find_dev(ap, sdev); + u16 __user *dst = arg; + char buf[40]; + + if (!dev) + return -ENOMSG; + + if (copy_to_user(dst, dev->id, ATA_ID_WORDS * sizeof(u16))) + return -EFAULT; + + ata_id_string(dev->id, buf, ATA_ID_PROD, ATA_ID_PROD_LEN); + if (copy_to_user(dst + ATA_ID_PROD, buf, ATA_ID_PROD_LEN)) + return -EFAULT; + + ata_id_string(dev->id, buf, ATA_ID_FW_REV, ATA_ID_FW_REV_LEN); + if (copy_to_user(dst + ATA_ID_FW_REV, buf, ATA_ID_FW_REV_LEN)) + return -EFAULT; + + ata_id_string(dev->id, buf, ATA_ID_SERNO, ATA_ID_SERNO_LEN); + if (copy_to_user(dst + ATA_ID_SERNO, buf, ATA_ID_SERNO_LEN)) + return -EFAULT; + + return 0; +} + +/** * ata_cmd_ioctl - Handler for HDIO_DRIVE_CMD ioctl * @scsidev: Device to which we are issuing command * @arg: User provided data for issuing command @@ -159,7 +198,6 @@ int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, * RETURNS: * Zero on success, negative errno on error. */ - int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) { int rc = 0; @@ -359,6 +397,9 @@ int ata_scsi_ioctl(struct scsi_device *scsidev, int cmd, void __user *arg) return -EINVAL; return 0; + case HDIO_GET_IDENTITY: + return ata_get_identity(scsidev, arg); + case HDIO_DRIVE_CMD: if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) return -EACCES; @@ -397,9 +438,9 @@ int ata_scsi_ioctl(struct scsi_device *scsidev, int cmd, void __user *arg) * RETURNS: * Command allocated, or %NULL if none available. */ -struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, - struct scsi_cmnd *cmd, - void (*done)(struct scsi_cmnd *)) +static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, + struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *)) { struct ata_queued_cmd *qc; @@ -435,7 +476,7 @@ struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, * LOCKING: * inherited from caller */ -void ata_dump_status(unsigned id, struct ata_taskfile *tf) +static void ata_dump_status(unsigned id, struct ata_taskfile *tf) { u8 stat = tf->command, err = tf->feature; @@ -610,8 +651,8 @@ int ata_scsi_device_resume(struct scsi_device *sdev) * LOCKING: * spin_lock_irqsave(host lock) */ -void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, - u8 *ascq, int verbose) +static void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, + u8 *asc, u8 *ascq, int verbose) { int i; @@ -1359,7 +1400,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc) goto nothing_to_do; qc->flags |= ATA_QCFLAG_IO; - qc->nsect = n_block; + qc->nbytes = n_block * ATA_SECT_SIZE; rc = ata_build_rw_tf(&qc->tf, qc->dev, block, n_block, tf_flags, qc->tag); @@ -1698,8 +1739,8 @@ unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf, if (buflen > 35) { memcpy(&rbuf[8], "ATA ", 8); - ata_id_string(args->id, &rbuf[16], ATA_ID_PROD_OFS, 16); - ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV_OFS, 4); + ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16); + ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4); if (rbuf[32] == 0 || rbuf[32] == ' ') memcpy(&rbuf[32], "n/a ", 4); } @@ -1768,13 +1809,13 @@ unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf, 0, 0x80, /* this page code */ 0, - ATA_SERNO_LEN, /* page len */ + ATA_ID_SERNO_LEN, /* page len */ }; memcpy(rbuf, hdr, sizeof(hdr)); - if (buflen > (ATA_SERNO_LEN + 4 - 1)) + if (buflen > (ATA_ID_SERNO_LEN + 4 - 1)) ata_id_string(args->id, (unsigned char *) &rbuf[4], - ATA_ID_SERNO_OFS, ATA_SERNO_LEN); + ATA_ID_SERNO, ATA_ID_SERNO_LEN); return 0; } @@ -1799,19 +1840,18 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf, { int num; const int sat_model_serial_desc_len = 68; - const int ata_model_byte_len = 40; rbuf[1] = 0x83; /* this page code */ num = 4; - if (buflen > (ATA_SERNO_LEN + num + 3)) { + if (buflen > (ATA_ID_SERNO_LEN + num + 3)) { /* piv=0, assoc=lu, code_set=ACSII, designator=vendor */ rbuf[num + 0] = 2; - rbuf[num + 3] = ATA_SERNO_LEN; + rbuf[num + 3] = ATA_ID_SERNO_LEN; num += 4; ata_id_string(args->id, (unsigned char *) rbuf + num, - ATA_ID_SERNO_OFS, ATA_SERNO_LEN); - num += ATA_SERNO_LEN; + ATA_ID_SERNO, ATA_ID_SERNO_LEN); + num += ATA_ID_SERNO_LEN; } if (buflen > (sat_model_serial_desc_len + num + 3)) { /* SAT defined lu model and serial numbers descriptor */ @@ -1823,11 +1863,11 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf, memcpy(rbuf + num, "ATA ", 8); num += 8; ata_id_string(args->id, (unsigned char *) rbuf + num, - ATA_ID_PROD_OFS, ata_model_byte_len); - num += ata_model_byte_len; + ATA_ID_PROD, ATA_ID_PROD_LEN); + num += ATA_ID_PROD_LEN; ata_id_string(args->id, (unsigned char *) rbuf + num, - ATA_ID_SERNO_OFS, ATA_SERNO_LEN); - num += ATA_SERNO_LEN; + ATA_ID_SERNO, ATA_ID_SERNO_LEN); + num += ATA_ID_SERNO_LEN; } rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */ return 0; @@ -1955,15 +1995,15 @@ static unsigned int ata_msense_rw_recovery(u8 **ptr_io, const u8 *last) */ static int ata_dev_supports_fua(u16 *id) { - unsigned char model[41], fw[9]; + unsigned char model[ATA_ID_PROD_LEN + 1], fw[ATA_ID_FW_REV_LEN + 1]; if (!libata_fua) return 0; if (!ata_id_has_fua(id)) return 0; - ata_id_c_string(id, model, ATA_ID_PROD_OFS, sizeof(model)); - ata_id_c_string(id, fw, ATA_ID_FW_REV_OFS, sizeof(fw)); + ata_id_c_string(id, model, ATA_ID_PROD, sizeof(model)); + ata_id_c_string(id, fw, ATA_ID_FW_REV, sizeof(fw)); if (strcmp(model, "Maxtor")) return 1; @@ -2661,7 +2701,7 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) * TODO: find out if we need to do more here to * cover scatter/gather case. */ - qc->nsect = scmd->request_bufflen / ATA_SECT_SIZE; + qc->nbytes = scmd->request_bufflen; /* request result TF */ qc->flags |= ATA_QCFLAG_RESULT_TF; @@ -3059,7 +3099,8 @@ void ata_scsi_hotplug(struct work_struct *work) for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; if (ata_dev_enabled(dev) && !dev->sdev) { - queue_delayed_work(ata_aux_wq, &ap->hotplug_task, HZ); + queue_delayed_work(ata_aux_wq, &ap->hotplug_task, + round_jiffies_relative(HZ)); break; } } @@ -3264,7 +3305,8 @@ EXPORT_SYMBOL_GPL(ata_sas_port_init); void ata_sas_port_destroy(struct ata_port *ap) { - ap->ops->port_stop(ap); + if (ap->ops->port_stop) + ap->ops->port_stop(ap); kfree(ap); } EXPORT_SYMBOL_GPL(ata_sas_port_destroy); diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 12c88c58803..16bc3e35bdd 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -56,10 +56,7 @@ u8 ata_irq_on(struct ata_port *ap) ap->ctl &= ~ATA_NIEN; ap->last_ctl = ap->ctl; - if (ap->flags & ATA_FLAG_MMIO) - writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr); - else - outb(ap->ctl, ioaddr->ctl_addr); + iowrite8(ap->ctl, ioaddr->ctl_addr); tmp = ata_wait_idle(ap); ap->ops->irq_clear(ap); @@ -67,92 +64,74 @@ u8 ata_irq_on(struct ata_port *ap) return tmp; } +u8 ata_dummy_irq_on (struct ata_port *ap) { return 0; } + /** - * ata_tf_load_pio - send taskfile registers to host controller - * @ap: Port to which output is sent - * @tf: ATA taskfile register set + * ata_irq_ack - Acknowledge a device interrupt. + * @ap: Port on which interrupts are enabled. * - * Outputs ATA taskfile to standard ATA host controller. + * Wait up to 10 ms for legacy IDE device to become idle (BUSY + * or BUSY+DRQ clear). Obtain dma status and port status from + * device. Clear the interrupt. Return port status. * * LOCKING: - * Inherited from caller. */ -static void ata_tf_load_pio(struct ata_port *ap, const struct ata_taskfile *tf) +u8 ata_irq_ack(struct ata_port *ap, unsigned int chk_drq) { - struct ata_ioports *ioaddr = &ap->ioaddr; - unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; + unsigned int bits = chk_drq ? ATA_BUSY | ATA_DRQ : ATA_BUSY; + u8 host_stat, post_stat, status; - if (tf->ctl != ap->last_ctl) { - outb(tf->ctl, ioaddr->ctl_addr); - ap->last_ctl = tf->ctl; - ata_wait_idle(ap); - } + status = ata_busy_wait(ap, bits, 1000); + if (status & bits) + if (ata_msg_err(ap)) + printk(KERN_ERR "abnormal status 0x%X\n", status); - if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { - outb(tf->hob_feature, ioaddr->feature_addr); - outb(tf->hob_nsect, ioaddr->nsect_addr); - outb(tf->hob_lbal, ioaddr->lbal_addr); - outb(tf->hob_lbam, ioaddr->lbam_addr); - outb(tf->hob_lbah, ioaddr->lbah_addr); - VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n", - tf->hob_feature, - tf->hob_nsect, - tf->hob_lbal, - tf->hob_lbam, - tf->hob_lbah); - } + /* get controller status; clear intr, err bits */ + host_stat = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + iowrite8(host_stat | ATA_DMA_INTR | ATA_DMA_ERR, + ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); - if (is_addr) { - outb(tf->feature, ioaddr->feature_addr); - outb(tf->nsect, ioaddr->nsect_addr); - outb(tf->lbal, ioaddr->lbal_addr); - outb(tf->lbam, ioaddr->lbam_addr); - outb(tf->lbah, ioaddr->lbah_addr); - VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", - tf->feature, - tf->nsect, - tf->lbal, - tf->lbam, - tf->lbah); - } + post_stat = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); - if (tf->flags & ATA_TFLAG_DEVICE) { - outb(tf->device, ioaddr->device_addr); - VPRINTK("device 0x%X\n", tf->device); - } + if (ata_msg_intr(ap)) + printk(KERN_INFO "%s: irq ack: host_stat 0x%X, new host_stat 0x%X, drv_stat 0x%X\n", + __FUNCTION__, + host_stat, post_stat, status); - ata_wait_idle(ap); + return status; } +u8 ata_dummy_irq_ack(struct ata_port *ap, unsigned int chk_drq) { return 0; } + /** - * ata_tf_load_mmio - send taskfile registers to host controller + * ata_tf_load - send taskfile registers to host controller * @ap: Port to which output is sent * @tf: ATA taskfile register set * - * Outputs ATA taskfile to standard ATA host controller using MMIO. + * Outputs ATA taskfile to standard ATA host controller. * * LOCKING: * Inherited from caller. */ -static void ata_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) +void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) { struct ata_ioports *ioaddr = &ap->ioaddr; unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; if (tf->ctl != ap->last_ctl) { - writeb(tf->ctl, (void __iomem *) ap->ioaddr.ctl_addr); + iowrite8(tf->ctl, ioaddr->ctl_addr); ap->last_ctl = tf->ctl; ata_wait_idle(ap); } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { - writeb(tf->hob_feature, (void __iomem *) ioaddr->feature_addr); - writeb(tf->hob_nsect, (void __iomem *) ioaddr->nsect_addr); - writeb(tf->hob_lbal, (void __iomem *) ioaddr->lbal_addr); - writeb(tf->hob_lbam, (void __iomem *) ioaddr->lbam_addr); - writeb(tf->hob_lbah, (void __iomem *) ioaddr->lbah_addr); + iowrite8(tf->hob_feature, ioaddr->feature_addr); + iowrite8(tf->hob_nsect, ioaddr->nsect_addr); + iowrite8(tf->hob_lbal, ioaddr->lbal_addr); + iowrite8(tf->hob_lbam, ioaddr->lbam_addr); + iowrite8(tf->hob_lbah, ioaddr->lbah_addr); VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n", tf->hob_feature, tf->hob_nsect, @@ -162,11 +141,11 @@ static void ata_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) } if (is_addr) { - writeb(tf->feature, (void __iomem *) ioaddr->feature_addr); - writeb(tf->nsect, (void __iomem *) ioaddr->nsect_addr); - writeb(tf->lbal, (void __iomem *) ioaddr->lbal_addr); - writeb(tf->lbam, (void __iomem *) ioaddr->lbam_addr); - writeb(tf->lbah, (void __iomem *) ioaddr->lbah_addr); + iowrite8(tf->feature, ioaddr->feature_addr); + iowrite8(tf->nsect, ioaddr->nsect_addr); + iowrite8(tf->lbal, ioaddr->lbal_addr); + iowrite8(tf->lbam, ioaddr->lbam_addr); + iowrite8(tf->lbah, ioaddr->lbah_addr); VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", tf->feature, tf->nsect, @@ -176,108 +155,34 @@ static void ata_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) } if (tf->flags & ATA_TFLAG_DEVICE) { - writeb(tf->device, (void __iomem *) ioaddr->device_addr); + iowrite8(tf->device, ioaddr->device_addr); VPRINTK("device 0x%X\n", tf->device); } ata_wait_idle(ap); } - -/** - * ata_tf_load - send taskfile registers to host controller - * @ap: Port to which output is sent - * @tf: ATA taskfile register set - * - * Outputs ATA taskfile to standard ATA host controller using MMIO - * or PIO as indicated by the ATA_FLAG_MMIO flag. - * Writes the control, feature, nsect, lbal, lbam, and lbah registers. - * Optionally (ATA_TFLAG_LBA48) writes hob_feature, hob_nsect, - * hob_lbal, hob_lbam, and hob_lbah. - * - * This function waits for idle (!BUSY and !DRQ) after writing - * registers. If the control register has a new value, this - * function also waits for idle after writing control and before - * writing the remaining registers. - * - * May be used as the tf_load() entry in ata_port_operations. - * - * LOCKING: - * Inherited from caller. - */ -void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) -{ - if (ap->flags & ATA_FLAG_MMIO) - ata_tf_load_mmio(ap, tf); - else - ata_tf_load_pio(ap, tf); -} - /** - * ata_exec_command_pio - issue ATA command to host controller - * @ap: port to which command is being issued - * @tf: ATA taskfile register set - * - * Issues PIO write to ATA command register, with proper - * synchronization with interrupt handler / other threads. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ - -static void ata_exec_command_pio(struct ata_port *ap, const struct ata_taskfile *tf) -{ - DPRINTK("ata%u: cmd 0x%X\n", ap->id, tf->command); - - outb(tf->command, ap->ioaddr.command_addr); - ata_pause(ap); -} - - -/** - * ata_exec_command_mmio - issue ATA command to host controller + * ata_exec_command - issue ATA command to host controller * @ap: port to which command is being issued * @tf: ATA taskfile register set * - * Issues MMIO write to ATA command register, with proper - * synchronization with interrupt handler / other threads. - * - * FIXME: missing write posting for 400nS delay enforcement + * Issues ATA command, with proper synchronization with interrupt + * handler / other threads. * * LOCKING: * spin_lock_irqsave(host lock) */ - -static void ata_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf) +void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) { DPRINTK("ata%u: cmd 0x%X\n", ap->id, tf->command); - writeb(tf->command, (void __iomem *) ap->ioaddr.command_addr); + iowrite8(tf->command, ap->ioaddr.command_addr); ata_pause(ap); } - -/** - * ata_exec_command - issue ATA command to host controller - * @ap: port to which command is being issued - * @tf: ATA taskfile register set - * - * Issues PIO/MMIO write to ATA command register, with proper - * synchronization with interrupt handler / other threads. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ -void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) -{ - if (ap->flags & ATA_FLAG_MMIO) - ata_exec_command_mmio(ap, tf); - else - ata_exec_command_pio(ap, tf); -} - /** - * ata_tf_read_pio - input device's ATA taskfile shadow registers + * ata_tf_read - input device's ATA taskfile shadow registers * @ap: Port from which input is read * @tf: ATA taskfile register set for storing input * @@ -287,121 +192,28 @@ void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) * LOCKING: * Inherited from caller. */ - -static void ata_tf_read_pio(struct ata_port *ap, struct ata_taskfile *tf) -{ - struct ata_ioports *ioaddr = &ap->ioaddr; - - tf->command = ata_check_status(ap); - tf->feature = inb(ioaddr->error_addr); - tf->nsect = inb(ioaddr->nsect_addr); - tf->lbal = inb(ioaddr->lbal_addr); - tf->lbam = inb(ioaddr->lbam_addr); - tf->lbah = inb(ioaddr->lbah_addr); - tf->device = inb(ioaddr->device_addr); - - if (tf->flags & ATA_TFLAG_LBA48) { - outb(tf->ctl | ATA_HOB, ioaddr->ctl_addr); - tf->hob_feature = inb(ioaddr->error_addr); - tf->hob_nsect = inb(ioaddr->nsect_addr); - tf->hob_lbal = inb(ioaddr->lbal_addr); - tf->hob_lbam = inb(ioaddr->lbam_addr); - tf->hob_lbah = inb(ioaddr->lbah_addr); - } -} - -/** - * ata_tf_read_mmio - input device's ATA taskfile shadow registers - * @ap: Port from which input is read - * @tf: ATA taskfile register set for storing input - * - * Reads ATA taskfile registers for currently-selected device - * into @tf via MMIO. - * - * LOCKING: - * Inherited from caller. - */ - -static void ata_tf_read_mmio(struct ata_port *ap, struct ata_taskfile *tf) +void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) { struct ata_ioports *ioaddr = &ap->ioaddr; tf->command = ata_check_status(ap); - tf->feature = readb((void __iomem *)ioaddr->error_addr); - tf->nsect = readb((void __iomem *)ioaddr->nsect_addr); - tf->lbal = readb((void __iomem *)ioaddr->lbal_addr); - tf->lbam = readb((void __iomem *)ioaddr->lbam_addr); - tf->lbah = readb((void __iomem *)ioaddr->lbah_addr); - tf->device = readb((void __iomem *)ioaddr->device_addr); + tf->feature = ioread8(ioaddr->error_addr); + tf->nsect = ioread8(ioaddr->nsect_addr); + tf->lbal = ioread8(ioaddr->lbal_addr); + tf->lbam = ioread8(ioaddr->lbam_addr); + tf->lbah = ioread8(ioaddr->lbah_addr); + tf->device = ioread8(ioaddr->device_addr); if (tf->flags & ATA_TFLAG_LBA48) { - writeb(tf->ctl | ATA_HOB, (void __iomem *) ap->ioaddr.ctl_addr); - tf->hob_feature = readb((void __iomem *)ioaddr->error_addr); - tf->hob_nsect = readb((void __iomem *)ioaddr->nsect_addr); - tf->hob_lbal = readb((void __iomem *)ioaddr->lbal_addr); - tf->hob_lbam = readb((void __iomem *)ioaddr->lbam_addr); - tf->hob_lbah = readb((void __iomem *)ioaddr->lbah_addr); + iowrite8(tf->ctl | ATA_HOB, ioaddr->ctl_addr); + tf->hob_feature = ioread8(ioaddr->error_addr); + tf->hob_nsect = ioread8(ioaddr->nsect_addr); + tf->hob_lbal = ioread8(ioaddr->lbal_addr); + tf->hob_lbam = ioread8(ioaddr->lbam_addr); + tf->hob_lbah = ioread8(ioaddr->lbah_addr); } } - -/** - * ata_tf_read - input device's ATA taskfile shadow registers - * @ap: Port from which input is read - * @tf: ATA taskfile register set for storing input - * - * Reads ATA taskfile registers for currently-selected device - * into @tf. - * - * Reads nsect, lbal, lbam, lbah, and device. If ATA_TFLAG_LBA48 - * is set, also reads the hob registers. - * - * May be used as the tf_read() entry in ata_port_operations. - * - * LOCKING: - * Inherited from caller. - */ -void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) -{ - if (ap->flags & ATA_FLAG_MMIO) - ata_tf_read_mmio(ap, tf); - else - ata_tf_read_pio(ap, tf); -} - -/** - * ata_check_status_pio - Read device status reg & clear interrupt - * @ap: port where the device is - * - * Reads ATA taskfile status register for currently-selected device - * and return its value. This also clears pending interrupts - * from this device - * - * LOCKING: - * Inherited from caller. - */ -static u8 ata_check_status_pio(struct ata_port *ap) -{ - return inb(ap->ioaddr.status_addr); -} - -/** - * ata_check_status_mmio - Read device status reg & clear interrupt - * @ap: port where the device is - * - * Reads ATA taskfile status register for currently-selected device - * via MMIO and return its value. This also clears pending interrupts - * from this device - * - * LOCKING: - * Inherited from caller. - */ -static u8 ata_check_status_mmio(struct ata_port *ap) -{ - return readb((void __iomem *) ap->ioaddr.status_addr); -} - - /** * ata_check_status - Read device status reg & clear interrupt * @ap: port where the device is @@ -410,19 +222,14 @@ static u8 ata_check_status_mmio(struct ata_port *ap) * and return its value. This also clears pending interrupts * from this device * - * May be used as the check_status() entry in ata_port_operations. - * * LOCKING: * Inherited from caller. */ u8 ata_check_status(struct ata_port *ap) { - if (ap->flags & ATA_FLAG_MMIO) - return ata_check_status_mmio(ap); - return ata_check_status_pio(ap); + return ioread8(ap->ioaddr.status_addr); } - /** * ata_altstatus - Read device alternate status reg * @ap: port where the device is @@ -441,58 +248,52 @@ u8 ata_altstatus(struct ata_port *ap) if (ap->ops->check_altstatus) return ap->ops->check_altstatus(ap); - if (ap->flags & ATA_FLAG_MMIO) - return readb((void __iomem *)ap->ioaddr.altstatus_addr); - return inb(ap->ioaddr.altstatus_addr); + return ioread8(ap->ioaddr.altstatus_addr); } /** - * ata_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction + * ata_bmdma_setup - Set up PCI IDE BMDMA transaction * @qc: Info associated with this ATA transaction. * * LOCKING: * spin_lock_irqsave(host lock) */ - -static void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc) +void ata_bmdma_setup(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); u8 dmactl; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; /* load PRD table addr. */ mb(); /* make sure PRD table writes are visible to controller */ - writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); + iowrite32(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); /* specify data direction, triple-check start bit is clear */ - dmactl = readb(mmio + ATA_DMA_CMD); + dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); if (!rw) dmactl |= ATA_DMA_WR; - writeb(dmactl, mmio + ATA_DMA_CMD); + iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); /* issue r/w command */ ap->ops->exec_command(ap, &qc->tf); } /** - * ata_bmdma_start_mmio - Start a PCI IDE BMDMA transaction + * ata_bmdma_start - Start a PCI IDE BMDMA transaction * @qc: Info associated with this ATA transaction. * * LOCKING: * spin_lock_irqsave(host lock) */ - -static void ata_bmdma_start_mmio (struct ata_queued_cmd *qc) +void ata_bmdma_start (struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; u8 dmactl; /* start host DMA transaction */ - dmactl = readb(mmio + ATA_DMA_CMD); - writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD); + dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + iowrite8(dmactl | ATA_DMA_START, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); /* Strictly, one may wish to issue a readb() here, to * flush the mmio write. However, control also passes @@ -508,96 +309,6 @@ static void ata_bmdma_start_mmio (struct ata_queued_cmd *qc) } /** - * ata_bmdma_setup_pio - Set up PCI IDE BMDMA transaction (PIO) - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ - -static void ata_bmdma_setup_pio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); - u8 dmactl; - - /* load PRD table addr. */ - outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); - - /* specify data direction, triple-check start bit is clear */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); - if (!rw) - dmactl |= ATA_DMA_WR; - outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - - /* issue r/w command */ - ap->ops->exec_command(ap, &qc->tf); -} - -/** - * ata_bmdma_start_pio - Start a PCI IDE BMDMA transaction (PIO) - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ - -static void ata_bmdma_start_pio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - u8 dmactl; - - /* start host DMA transaction */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - outb(dmactl | ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); -} - - -/** - * ata_bmdma_start - Start a PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * Writes the ATA_DMA_START flag to the DMA command register. - * - * May be used as the bmdma_start() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ -void ata_bmdma_start(struct ata_queued_cmd *qc) -{ - if (qc->ap->flags & ATA_FLAG_MMIO) - ata_bmdma_start_mmio(qc); - else - ata_bmdma_start_pio(qc); -} - - -/** - * ata_bmdma_setup - Set up PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * Writes address of PRD table to device's PRD Table Address - * register, sets the DMA control register, and calls - * ops->exec_command() to start the transfer. - * - * May be used as the bmdma_setup() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ -void ata_bmdma_setup(struct ata_queued_cmd *qc) -{ - if (qc->ap->flags & ATA_FLAG_MMIO) - ata_bmdma_setup_mmio(qc); - else - ata_bmdma_setup_pio(qc); -} - - -/** * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. * @ap: Port associated with this ATA transaction. * @@ -608,23 +319,16 @@ void ata_bmdma_setup(struct ata_queued_cmd *qc) * LOCKING: * spin_lock_irqsave(host lock) */ - void ata_bmdma_irq_clear(struct ata_port *ap) { - if (!ap->ioaddr.bmdma_addr) + void __iomem *mmio = ap->ioaddr.bmdma_addr; + + if (!mmio) return; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = - ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; - writeb(readb(mmio), mmio); - } else { - unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; - outb(inb(addr), addr); - } + iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); } - /** * ata_bmdma_status - Read PCI IDE BMDMA status * @ap: Port associated with this ATA transaction. @@ -636,19 +340,11 @@ void ata_bmdma_irq_clear(struct ata_port *ap) * LOCKING: * spin_lock_irqsave(host lock) */ - u8 ata_bmdma_status(struct ata_port *ap) { - u8 host_stat; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - host_stat = readb(mmio + ATA_DMA_STATUS); - } else - host_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); - return host_stat; + return ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); } - /** * ata_bmdma_stop - Stop PCI IDE BMDMA transfer * @qc: Command we are ending DMA for @@ -660,21 +356,14 @@ u8 ata_bmdma_status(struct ata_port *ap) * LOCKING: * spin_lock_irqsave(host lock) */ - void ata_bmdma_stop(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + void __iomem *mmio = ap->ioaddr.bmdma_addr; - /* clear start/stop bit */ - writeb(readb(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, - mmio + ATA_DMA_CMD); - } else { - /* clear start/stop bit */ - outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - } + /* clear start/stop bit */ + iowrite8(ioread8(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, + mmio + ATA_DMA_CMD); /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ ata_altstatus(ap); /* dummy read */ @@ -696,10 +385,7 @@ void ata_bmdma_freeze(struct ata_port *ap) ap->ctl |= ATA_NIEN; ap->last_ctl = ap->ctl; - if (ap->flags & ATA_FLAG_MMIO) - writeb(ap->ctl, (void __iomem *)ioaddr->ctl_addr); - else - outb(ap->ctl, ioaddr->ctl_addr); + iowrite8(ap->ctl, ioaddr->ctl_addr); /* Under certain circumstances, some controllers raise IRQ on * ATA_NIEN manipulation. Also, many controllers fail to mask @@ -724,8 +410,7 @@ void ata_bmdma_thaw(struct ata_port *ap) /* clear & re-enable interrupts */ ata_chk_status(ap); ap->ops->irq_clear(ap); - if (ap->ioaddr.ctl_addr) /* FIXME: hack. create a hook instead */ - ata_irq_on(ap); + ap->ops->irq_on(ap); } /** @@ -775,7 +460,7 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, * really a timeout event, adjust error mask and * cancel frozen state. */ - if (qc->err_mask == AC_ERR_TIMEOUT && host_stat & ATA_DMA_ERR) { + if (qc->err_mask == AC_ERR_TIMEOUT && (host_stat & ATA_DMA_ERR)) { qc->err_mask = AC_ERR_HOST_BUS; thaw = 1; } @@ -832,6 +517,21 @@ void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc) } #ifdef CONFIG_PCI + +static int ata_resources_present(struct pci_dev *pdev, int port) +{ + int i; + + /* Check the PCI resources for this channel are enabled */ + port = port * 2; + for (i = 0; i < 2; i ++) { + if (pci_resource_start(pdev, port + i) == 0 || + pci_resource_len(pdev, port + i) == 0) + return 0; + } + return 1; +} + /** * ata_pci_init_native_mode - Initialize native-mode driver * @pdev: pci device to be initialized @@ -853,45 +553,62 @@ void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc) struct ata_probe_ent * ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int ports) { - struct ata_probe_ent *probe_ent = - ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]); - int p = 0; - unsigned long bmdma; + struct ata_probe_ent *probe_ent; + int i, p = 0; + void __iomem * const *iomap; + + /* iomap BARs */ + for (i = 0; i < 4; i++) { + if (pcim_iomap(pdev, i, 0) == NULL) { + dev_printk(KERN_ERR, &pdev->dev, + "failed to iomap PCI BAR %d\n", i); + return NULL; + } + } + pcim_iomap(pdev, 4, 0); /* may fail */ + iomap = pcim_iomap_table(pdev); + + /* alloc and init probe_ent */ + probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]); if (!probe_ent) return NULL; probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; + + /* Discard disabled ports. Some controllers show their + unused channels this way */ + if (ata_resources_present(pdev, 0) == 0) + ports &= ~ATA_PORT_PRIMARY; + if (ata_resources_present(pdev, 1) == 0) + ports &= ~ATA_PORT_SECONDARY; if (ports & ATA_PORT_PRIMARY) { - probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 0); + probe_ent->port[p].cmd_addr = iomap[0]; probe_ent->port[p].altstatus_addr = - probe_ent->port[p].ctl_addr = - pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS; - bmdma = pci_resource_start(pdev, 4); - if (bmdma) { + probe_ent->port[p].ctl_addr = (void __iomem *) + ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS); + if (iomap[4]) { if ((!(port[p]->flags & ATA_FLAG_IGN_SIMPLEX)) && - (inb(bmdma + 2) & 0x80)) + (ioread8(iomap[4] + 2) & 0x80)) probe_ent->_host_flags |= ATA_HOST_SIMPLEX; - probe_ent->port[p].bmdma_addr = bmdma; + probe_ent->port[p].bmdma_addr = iomap[4]; } ata_std_ports(&probe_ent->port[p]); p++; } if (ports & ATA_PORT_SECONDARY) { - probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 2); + probe_ent->port[p].cmd_addr = iomap[2]; probe_ent->port[p].altstatus_addr = - probe_ent->port[p].ctl_addr = - pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS; - bmdma = pci_resource_start(pdev, 4); - if (bmdma) { - bmdma += 8; + probe_ent->port[p].ctl_addr = (void __iomem *) + ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS); + if (iomap[4]) { if ((!(port[p]->flags & ATA_FLAG_IGN_SIMPLEX)) && - (inb(bmdma + 2) & 0x80)) + (ioread8(iomap[4] + 10) & 0x80)) probe_ent->_host_flags |= ATA_HOST_SIMPLEX; - probe_ent->port[p].bmdma_addr = bmdma; + probe_ent->port[p].bmdma_addr = iomap[4] + 8; } ata_std_ports(&probe_ent->port[p]); probe_ent->pinfo2 = port[1]; @@ -902,13 +619,29 @@ ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int return probe_ent; } - static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, struct ata_port_info **port, int port_mask) { struct ata_probe_ent *probe_ent; - unsigned long bmdma = pci_resource_start(pdev, 4); + void __iomem *iomap[5] = { }, *bmdma; + + if (port_mask & ATA_PORT_PRIMARY) { + iomap[0] = devm_ioport_map(&pdev->dev, ATA_PRIMARY_CMD, 8); + iomap[1] = devm_ioport_map(&pdev->dev, ATA_PRIMARY_CTL, 1); + if (!iomap[0] || !iomap[1]) + return NULL; + } + + if (port_mask & ATA_PORT_SECONDARY) { + iomap[2] = devm_ioport_map(&pdev->dev, ATA_SECONDARY_CMD, 8); + iomap[3] = devm_ioport_map(&pdev->dev, ATA_SECONDARY_CTL, 1); + if (!iomap[2] || !iomap[3]) + return NULL; + } + bmdma = pcim_iomap(pdev, 4, 16); /* may fail */ + + /* alloc and init probe_ent */ probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]); if (!probe_ent) return NULL; @@ -918,13 +651,13 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, if (port_mask & ATA_PORT_PRIMARY) { probe_ent->irq = ATA_PRIMARY_IRQ(pdev); - probe_ent->port[0].cmd_addr = ATA_PRIMARY_CMD; + probe_ent->port[0].cmd_addr = iomap[0]; probe_ent->port[0].altstatus_addr = - probe_ent->port[0].ctl_addr = ATA_PRIMARY_CTL; + probe_ent->port[0].ctl_addr = iomap[1]; if (bmdma) { probe_ent->port[0].bmdma_addr = bmdma; if ((!(port[0]->flags & ATA_FLAG_IGN_SIMPLEX)) && - (inb(bmdma + 2) & 0x80)) + (ioread8(bmdma + 2) & 0x80)) probe_ent->_host_flags |= ATA_HOST_SIMPLEX; } ata_std_ports(&probe_ent->port[0]); @@ -936,13 +669,13 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, probe_ent->irq2 = ATA_SECONDARY_IRQ(pdev); else probe_ent->irq = ATA_SECONDARY_IRQ(pdev); - probe_ent->port[1].cmd_addr = ATA_SECONDARY_CMD; + probe_ent->port[1].cmd_addr = iomap[2]; probe_ent->port[1].altstatus_addr = - probe_ent->port[1].ctl_addr = ATA_SECONDARY_CTL; + probe_ent->port[1].ctl_addr = iomap[3]; if (bmdma) { probe_ent->port[1].bmdma_addr = bmdma + 8; if ((!(port[1]->flags & ATA_FLAG_IGN_SIMPLEX)) && - (inb(bmdma + 10) & 0x80)) + (ioread8(bmdma + 10) & 0x80)) probe_ent->_host_flags |= ATA_HOST_SIMPLEX; } ata_std_ports(&probe_ent->port[1]); @@ -984,15 +717,18 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, unsigned int n_ports) { + struct device *dev = &pdev->dev; struct ata_probe_ent *probe_ent = NULL; struct ata_port_info *port[2]; u8 mask; unsigned int legacy_mode = 0; - int disable_dev_on_err = 1; int rc; DPRINTK("ENTER\n"); + if (!devres_open_group(dev, NULL, GFP_KERNEL)) + return -ENOMEM; + BUG_ON(n_ports < 1 || n_ports > 2); port[0] = port_info[0]; @@ -1009,9 +745,9 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, boot for the primary video which is BIOS enabled */ - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) - return rc; + goto err_out; if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { u8 tmp8; @@ -1027,7 +763,8 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, left a device in compatibility mode */ if (legacy_mode) { printk(KERN_ERR "ata: Compatibility mode ATA is not supported on this platform, skipping.\n"); - return -EOPNOTSUPP; + rc = -EOPNOTSUPP; + goto err_out; } #endif } @@ -1035,13 +772,13 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, if (!legacy_mode) { rc = pci_request_regions(pdev, DRV_NAME); if (rc) { - disable_dev_on_err = 0; + pcim_pin_device(pdev); goto err_out; } } else { /* Deal with combined mode hack. This side of the logic all goes away once the combined mode hack is killed in 2.6.21 */ - if (!request_region(ATA_PRIMARY_CMD, 8, "libata")) { + if (!devm_request_region(dev, ATA_PRIMARY_CMD, 8, "libata")) { struct resource *conflict, res; res.start = ATA_PRIMARY_CMD; res.end = ATA_PRIMARY_CMD + 8 - 1; @@ -1051,7 +788,7 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, if (!strcmp(conflict->name, "libata")) legacy_mode |= ATA_PORT_PRIMARY; else { - disable_dev_on_err = 0; + pcim_pin_device(pdev); printk(KERN_WARNING "ata: 0x%0X IDE port busy\n" \ "ata: conflict with %s\n", ATA_PRIMARY_CMD, @@ -1060,7 +797,7 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, } else legacy_mode |= ATA_PORT_PRIMARY; - if (!request_region(ATA_SECONDARY_CMD, 8, "libata")) { + if (!devm_request_region(dev, ATA_SECONDARY_CMD, 8, "libata")) { struct resource *conflict, res; res.start = ATA_SECONDARY_CMD; res.end = ATA_SECONDARY_CMD + 8 - 1; @@ -1070,7 +807,7 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, if (!strcmp(conflict->name, "libata")) legacy_mode |= ATA_PORT_SECONDARY; else { - disable_dev_on_err = 0; + pcim_pin_device(pdev); printk(KERN_WARNING "ata: 0x%X IDE port busy\n" \ "ata: conflict with %s\n", ATA_SECONDARY_CMD, @@ -1090,16 +827,16 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, /* we have legacy mode, but all ports are unavailable */ if (legacy_mode == (1 << 3)) { rc = -EBUSY; - goto err_out_regions; + goto err_out; } /* TODO: If we get no DMA mask we should fall back to PIO */ rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + goto err_out; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + goto err_out; if (legacy_mode) { probe_ent = ata_pci_init_legacy_port(pdev, port, legacy_mode); @@ -1111,40 +848,22 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, } if (!probe_ent) { rc = -ENOMEM; - goto err_out_regions; + goto err_out; } pci_set_master(pdev); if (!ata_device_add(probe_ent)) { rc = -ENODEV; - goto err_out_ent; + goto err_out; } - kfree(probe_ent); - + devm_kfree(dev, probe_ent); + devres_remove_group(dev, NULL); return 0; -err_out_ent: - kfree(probe_ent); -err_out_regions: - /* All this conditional stuff is needed for the combined mode hack - until 2.6.21 when it can go */ - if (legacy_mode) { - pci_release_region(pdev, 4); - if (legacy_mode & ATA_PORT_PRIMARY) { - release_region(ATA_PRIMARY_CMD, 8); - pci_release_region(pdev, 1); - } - if (legacy_mode & ATA_PORT_SECONDARY) { - release_region(ATA_SECONDARY_CMD, 8); - pci_release_region(pdev, 3); - } - } else - pci_release_regions(pdev); err_out: - if (disable_dev_on_err) - pci_disable_device(pdev); + devres_release_group(dev, NULL); return rc; } diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 81ae41d5f23..06ccf230e3c 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -29,7 +29,6 @@ #define __LIBATA_H__ #define DRV_NAME "libata" -#define DRV_VERSION "2.00" /* must be exactly four chars */ struct ata_scsi_args { struct ata_device *dev; @@ -136,4 +135,7 @@ extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc); /* libata-sff.c */ extern u8 ata_irq_on(struct ata_port *ap); +/* pata_sis.c */ +extern struct ata_port_info sis_info133; + #endif /* __LIBATA_H__ */ diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index c5d61d1911a..ab44d18850f 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -153,11 +153,11 @@ static void ali_early_error_handler(struct ata_port *ap) static unsigned long ali_20_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask) { - char model_num[40]; + char model_num[ATA_ID_PROD_LEN + 1]; /* No DMA on anything but a disk for now */ if (adev->class != ATA_DEV_ATA) mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); - ata_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); + ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); if (strstr(model_num, "WDC")) return mask &= ~ATA_MASK_UDMA; return ata_pci_default_filter(ap, adev, mask); @@ -370,14 +370,14 @@ static struct ata_port_operations ali_early_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -411,14 +411,14 @@ static struct ata_port_operations ali_20_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -449,14 +449,14 @@ static struct ata_port_operations ali_c2_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -486,14 +486,14 @@ static struct ata_port_operations ali_c5_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; @@ -504,7 +504,7 @@ static struct ata_port_operations ali_c5_port_ops = { * Perform the setup on the device that must be done both at boot * and at resume time. */ - + static void ali_init_chipset(struct pci_dev *pdev) { u8 rev, tmp; @@ -655,7 +655,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) port_info[0] = port_info[1] = &info_c5; ali_init_chipset(pdev); - + isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); if (isa_bridge && rev >= 0x20 && rev < 0xC2) { /* Are we paired with a UDMA capable chip */ diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index a6b330089f2..619e44b0403 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -362,14 +362,14 @@ static struct ata_port_operations amd33_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations amd66_port_ops = { @@ -396,14 +396,14 @@ static struct ata_port_operations amd66_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations amd100_port_ops = { @@ -430,14 +430,14 @@ static struct ata_port_operations amd100_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations amd133_port_ops = { @@ -464,14 +464,14 @@ static struct ata_port_operations amd133_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations nv100_port_ops = { @@ -498,14 +498,14 @@ static struct ata_port_operations nv100_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations nv133_port_ops = { @@ -532,14 +532,14 @@ static struct ata_port_operations nv133_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 37bc1323bda..21c30282717 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -341,14 +341,14 @@ static const struct ata_port_operations artop6210_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static const struct ata_port_operations artop6260_ops = { @@ -373,14 +373,14 @@ static const struct ata_port_operations artop6260_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 504e1dbfffd..c3eb40c91c8 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -252,14 +252,14 @@ static struct ata_port_operations atiixp_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index 449162cbf93..da098282b5f 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -313,14 +313,14 @@ static struct ata_port_operations cmd64x_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations cmd646r1_port_ops = { @@ -347,14 +347,14 @@ static struct ata_port_operations cmd646r1_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations cmd648_port_ops = { @@ -381,14 +381,14 @@ static struct ata_port_operations cmd648_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 9f165a8e032..1ce8fcfd782 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -99,9 +99,9 @@ static void cs5520_set_timings(struct ata_port *ap, struct ata_device *adev, int static void cs5520_enable_dma(struct ata_port *ap, struct ata_device *adev) { /* Set the DMA enable/disable flag */ - u8 reg = inb(ap->ioaddr.bmdma_addr + 0x02); + u8 reg = ioread8(ap->ioaddr.bmdma_addr + 0x02); reg |= 1<<(adev->devno + 5); - outb(reg, ap->ioaddr.bmdma_addr + 0x02); + iowrite8(reg, ap->ioaddr.bmdma_addr + 0x02); } /** @@ -193,19 +193,20 @@ static struct ata_port_operations cs5520_port_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) { u8 pcicfg; + void *iomap[5]; static struct ata_probe_ent probe[2]; int ports = 0; @@ -236,6 +237,16 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic return -ENODEV; } + /* Map IO ports */ + iomap[0] = devm_ioport_map(&dev->dev, 0x1F0, 8); + iomap[1] = devm_ioport_map(&dev->dev, 0x3F6, 1); + iomap[2] = devm_ioport_map(&dev->dev, 0x170, 8); + iomap[3] = devm_ioport_map(&dev->dev, 0x376, 1); + iomap[4] = pcim_iomap(dev, 2, 0); + + if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4]) + return -ENOMEM; + /* We have to do our own plumbing as the PCI setup for this chipset is non-standard so we can't punt to the libata code */ @@ -249,10 +260,10 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic probe[0].irq_flags = 0; probe[0].port_flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST; probe[0].n_ports = 1; - probe[0].port[0].cmd_addr = 0x1F0; - probe[0].port[0].ctl_addr = 0x3F6; - probe[0].port[0].altstatus_addr = 0x3F6; - probe[0].port[0].bmdma_addr = pci_resource_start(dev, 2); + probe[0].port[0].cmd_addr = iomap[0]; + probe[0].port[0].ctl_addr = iomap[1]; + probe[0].port[0].altstatus_addr = iomap[1]; + probe[0].port[0].bmdma_addr = iomap[4]; /* The secondary lurks at different addresses but is otherwise the same beastie */ @@ -260,10 +271,10 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic probe[1] = probe[0]; INIT_LIST_HEAD(&probe[1].node); probe[1].irq = 15; - probe[1].port[0].cmd_addr = 0x170; - probe[1].port[0].ctl_addr = 0x376; - probe[1].port[0].altstatus_addr = 0x376; - probe[1].port[0].bmdma_addr = pci_resource_start(dev, 2) + 8; + probe[1].port[0].cmd_addr = iomap[2]; + probe[1].port[0].ctl_addr = iomap[3]; + probe[1].port[0].altstatus_addr = iomap[3]; + probe[1].port[0].bmdma_addr = iomap[4] + 8; /* Let libata fill in the port details */ ata_std_ports(&probe[0].port[0]); @@ -294,7 +305,7 @@ static void __devexit cs5520_remove_one(struct pci_dev *pdev) struct device *dev = pci_dev_to_dev(pdev); struct ata_host *host = dev_get_drvdata(dev); - ata_host_remove(host); + ata_host_detach(host); dev_set_drvdata(dev, NULL); } @@ -305,7 +316,7 @@ static void __devexit cs5520_remove_one(struct pci_dev *pdev) * Do any reconfiguration work needed by a resume from RAM. We need * to restore DMA mode support on BIOSen which disabled it */ - + static int cs5520_reinit_one(struct pci_dev *pdev) { u8 pcicfg; diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c index b1ca207e354..3d7b7d87ec6 100644 --- a/drivers/ata/pata_cs5530.c +++ b/drivers/ata/pata_cs5530.c @@ -37,6 +37,13 @@ #define DRV_NAME "pata_cs5530" #define DRV_VERSION "0.7.1" +static void __iomem *cs5530_port_base(struct ata_port *ap) +{ + unsigned long bmdma = (unsigned long)ap->ioaddr.bmdma_addr; + + return (void __iomem *)((bmdma & ~0x0F) + 0x20 + 0x10 * ap->port_no); +} + /** * cs5530_set_piomode - PIO setup * @ap: ATA interface @@ -52,19 +59,19 @@ static void cs5530_set_piomode(struct ata_port *ap, struct ata_device *adev) {0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010}, {0xd1329172, 0x71212171, 0x30200080, 0x20102010, 0x00100010} }; - unsigned long base = ( ap->ioaddr.bmdma_addr & ~0x0F) + 0x20 + 0x10 * ap->port_no; + void __iomem *base = cs5530_port_base(ap); u32 tuning; int format; /* Find out which table to use */ - tuning = inl(base + 0x04); + tuning = ioread32(base + 0x04); format = (tuning & 0x80000000UL) ? 1 : 0; /* Now load the right timing register */ if (adev->devno) base += 0x08; - outl(cs5530_pio_timings[format][adev->pio_mode - XFER_PIO_0], base); + iowrite32(cs5530_pio_timings[format][adev->pio_mode - XFER_PIO_0], base); } /** @@ -79,12 +86,12 @@ static void cs5530_set_piomode(struct ata_port *ap, struct ata_device *adev) static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev) { - unsigned long base = ( ap->ioaddr.bmdma_addr & ~0x0F) + 0x20 + 0x10 * ap->port_no; + void __iomem *base = cs5530_port_base(ap); u32 tuning, timing = 0; u8 reg; /* Find out which table to use */ - tuning = inl(base + 0x04); + tuning = ioread32(base + 0x04); switch(adev->dma_mode) { case XFER_UDMA_0: @@ -105,20 +112,20 @@ static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev) /* Merge in the PIO format bit */ timing |= (tuning & 0x80000000UL); if (adev->devno == 0) /* Master */ - outl(timing, base + 0x04); + iowrite32(timing, base + 0x04); else { if (timing & 0x00100000) tuning |= 0x00100000; /* UDMA for both */ else tuning &= ~0x00100000; /* MWDMA for both */ - outl(tuning, base + 0x04); - outl(timing, base + 0x0C); + iowrite32(tuning, base + 0x04); + iowrite32(timing, base + 0x0C); } /* Set the DMA capable bit in the BMDMA area */ - reg = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + reg = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); reg |= (1 << (5 + adev->devno)); - outb(reg, ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + iowrite8(reg, ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); /* Remember the last DMA setup we did */ @@ -210,14 +217,14 @@ static struct ata_port_operations cs5530_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = cs5530_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct dmi_system_id palmax_dmi_table[] = { @@ -247,7 +254,7 @@ static int cs5530_is_palmax(void) * Perform the chip initialisation work that is shared between both * setup and resume paths */ - + static int cs5530_init_chip(void) { struct pci_dev *master_0 = NULL, *cs5530_0 = NULL, *dev = NULL; @@ -357,11 +364,11 @@ static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id) .port_ops = &cs5530_port_ops }; static struct ata_port_info *port_info[2] = { &info, &info }; - + /* Chip initialisation */ if (cs5530_init_chip()) return -ENODEV; - + if (cs5530_is_palmax()) port_info[1] = &info_palmax_secondary; @@ -376,7 +383,7 @@ static int cs5530_reinit_one(struct pci_dev *pdev) BUG(); return ata_pci_device_resume(pdev); } - + static const struct pci_device_id cs5530[] = { { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE), }, diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index e3efec4ffc7..17bc693cc51 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -214,14 +214,14 @@ static struct ata_port_operations cs5535_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index e2a95699bae..63f48f08763 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -165,14 +165,14 @@ static struct ata_port_operations cy82c693_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index edf8a63f50a..c19b6a8a7dc 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -261,14 +261,14 @@ static const struct ata_port_operations efar_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index 2663599a7c0..27d724b5eea 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -151,23 +151,13 @@ static const char *bad_ata66_3[] = { static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr, const char *list[]) { - unsigned char model_num[40]; - char *s; - unsigned int len; + unsigned char model_num[ATA_ID_PROD_LEN + 1]; int i = 0; - ata_id_string(dev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); - s = &model_num[0]; - len = strnlen(s, sizeof(model_num)); + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - /* ATAPI specifies that empty space is blank-filled; remove blanks */ - while ((len > 0) && (s[len - 1] == ' ')) { - len--; - s[len] = 0; - } - - while(list[i] != NULL) { - if (!strncmp(list[i], s, len)) { + while (list[i] != NULL) { + if (!strcmp(list[i], model_num)) { printk(KERN_WARNING DRV_NAME ": %s is not supported for %s.\n", modestr, list[i]); return 1; @@ -232,7 +222,7 @@ static int hpt36x_pre_reset(struct ata_port *ap) if (!pci_test_config_bits(pdev, &hpt36x_enable_bits[ap->port_no])) return -ENOENT; - + pci_read_config_byte(pdev, 0x5A, &ata66); if (ata66 & (1 << ap->port_no)) ap->cbl = ATA_CBL_PATA40; @@ -371,14 +361,14 @@ static struct ata_port_operations hpt366_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index dfb306057cf..4ffc392052c 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -349,24 +349,13 @@ static u32 hpt37x_find_mode(struct ata_port *ap, int speed) static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr, const char *list[]) { - unsigned char model_num[40]; - char *s; - unsigned int len; + unsigned char model_num[ATA_ID_PROD_LEN + 1]; int i = 0; - ata_id_string(dev->id, model_num, ATA_ID_PROD_OFS, - sizeof(model_num)); - s = &model_num[0]; - len = strnlen(s, sizeof(model_num)); + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - /* ATAPI specifies that empty space is blank-filled; remove blanks */ - while ((len > 0) && (s[len - 1] == ' ')) { - len--; - s[len] = 0; - } - - while(list[i] != NULL) { - if (!strncmp(list[i], s, len)) { + while (list[i] != NULL) { + if (!strcmp(list[i], model_num)) { printk(KERN_WARNING DRV_NAME ": %s is not supported for %s.\n", modestr, list[i]); return 1; @@ -459,7 +448,7 @@ static int hpt37x_pre_reset(struct ata_port *ap) }; if (!pci_test_config_bits(pdev, &hpt37x_enable_bits[ap->port_no])) return -ENOENT; - + pci_read_config_byte(pdev, 0x5B, &scr2); pci_write_config_byte(pdev, 0x5B, scr2 & ~0x01); /* Cable register now active */ @@ -504,7 +493,7 @@ static int hpt374_pre_reset(struct ata_port *ap) if (!pci_test_config_bits(pdev, &hpt37x_enable_bits[ap->port_no])) return -ENOENT; - + /* Do the extra channel work */ pci_read_config_word(pdev, 0x52, &mcr3); pci_read_config_word(pdev, 0x56, &mcr6); @@ -645,24 +634,24 @@ static void hpt370_bmdma_stop(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u8 dma_stat = inb(ap->ioaddr.bmdma_addr + 2); + u8 dma_stat = ioread8(ap->ioaddr.bmdma_addr + 2); u8 dma_cmd; - unsigned long bmdma = ap->ioaddr.bmdma_addr; + void __iomem *bmdma = ap->ioaddr.bmdma_addr; if (dma_stat & 0x01) { udelay(20); - dma_stat = inb(bmdma + 2); + dma_stat = ioread8(bmdma + 2); } if (dma_stat & 0x01) { /* Clear the engine */ pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); udelay(10); /* Stop DMA */ - dma_cmd = inb(bmdma ); - outb(dma_cmd & 0xFE, bmdma); + dma_cmd = ioread8(bmdma ); + iowrite8(dma_cmd & 0xFE, bmdma); /* Clear Error */ - dma_stat = inb(bmdma + 2); - outb(dma_stat | 0x06 , bmdma + 2); + dma_stat = ioread8(bmdma + 2); + iowrite8(dma_stat | 0x06 , bmdma + 2); /* Clear the engine */ pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37); udelay(10); @@ -807,14 +796,14 @@ static struct ata_port_operations hpt370_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -846,14 +835,14 @@ static struct ata_port_operations hpt370a_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -886,14 +875,14 @@ static struct ata_port_operations hpt372_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -926,14 +915,14 @@ static struct ata_port_operations hpt374_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 886fab9aa62..65f2e180e7f 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -263,26 +263,26 @@ static void hpt3x2n_bmdma_stop(struct ata_queued_cmd *qc) static void hpt3x2n_set_clock(struct ata_port *ap, int source) { - unsigned long bmdma = ap->ioaddr.bmdma_addr; + void __iomem *bmdma = ap->ioaddr.bmdma_addr; /* Tristate the bus */ - outb(0x80, bmdma+0x73); - outb(0x80, bmdma+0x77); + iowrite8(0x80, bmdma+0x73); + iowrite8(0x80, bmdma+0x77); /* Switch clock and reset channels */ - outb(source, bmdma+0x7B); - outb(0xC0, bmdma+0x79); + iowrite8(source, bmdma+0x7B); + iowrite8(0xC0, bmdma+0x79); /* Reset state machines */ - outb(0x37, bmdma+0x70); - outb(0x37, bmdma+0x74); + iowrite8(0x37, bmdma+0x70); + iowrite8(0x37, bmdma+0x74); /* Complete reset */ - outb(0x00, bmdma+0x79); + iowrite8(0x00, bmdma+0x79); /* Reconnect channels to bus */ - outb(0x00, bmdma+0x73); - outb(0x00, bmdma+0x77); + iowrite8(0x00, bmdma+0x73); + iowrite8(0x00, bmdma+0x77); } /* Check if our partner interface is busy */ @@ -373,14 +373,14 @@ static struct ata_port_operations hpt3x2n_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = hpt3x2n_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index 5f1d385eb59..483ce7c12c9 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -148,14 +148,14 @@ static struct ata_port_operations hpt3x3_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -164,7 +164,7 @@ static struct ata_port_operations hpt3x3_port_ops = { * * Perform the setup required at boot and on resume. */ - + static void hpt3x3_init_chipset(struct pci_dev *dev) { u16 cmd; diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c index a97d55ae95c..1bf5ec18b2e 100644 --- a/drivers/ata/pata_isapnp.c +++ b/drivers/ata/pata_isapnp.c @@ -53,14 +53,14 @@ static struct ata_port_operations isapnp_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -75,6 +75,7 @@ static struct ata_port_operations isapnp_port_ops = { static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev_id) { struct ata_probe_ent ae; + void __iomem *cmd_addr, *ctl_addr; if (pnp_port_valid(idev, 0) == 0) return -ENODEV; @@ -83,6 +84,10 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev if (pnp_irq_valid(idev, 0) == 0) return -ENODEV; + cmd_addr = devm_ioport_map(&idev->dev, pnp_port_start(idev, 0), 8); + if (!cmd_addr) + return -ENOMEM; + memset(&ae, 0, sizeof(struct ata_probe_ent)); INIT_LIST_HEAD(&ae.node); ae.dev = &idev->dev; @@ -93,11 +98,13 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev ae.irq = pnp_irq(idev, 0); ae.irq_flags = 0; ae.port_flags = ATA_FLAG_SLAVE_POSS; - ae.port[0].cmd_addr = pnp_port_start(idev, 0); + ae.port[0].cmd_addr = cmd_addr; if (pnp_port_valid(idev, 1) == 0) { - ae.port[0].altstatus_addr = pnp_port_start(idev, 1); - ae.port[0].ctl_addr = pnp_port_start(idev, 1); + ctl_addr = devm_ioport_map(&idev->dev, + pnp_port_start(idev, 1), 1); + ae.port[0].altstatus_addr = ctl_addr; + ae.port[0].ctl_addr = ctl_addr; ae.port_flags |= ATA_FLAG_SRST; } ata_std_ports(&ae.port[0]); @@ -120,7 +127,7 @@ static void isapnp_remove_one(struct pnp_dev *idev) struct device *dev = &idev->dev; struct ata_host *host = dev_get_drvdata(dev); - ata_host_remove(host); + ata_host_detach(host); dev_set_drvdata(dev, NULL); } diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c new file mode 100644 index 00000000000..7eac869dfcd --- /dev/null +++ b/drivers/ata/pata_it8213.c @@ -0,0 +1,354 @@ +/* + * pata_it8213.c - iTE Tech. Inc. IT8213 PATA driver + * + * The IT8213 is a very Intel ICH like device for timing purposes, having + * a similar register layout and the same split clock arrangement. Cable + * detection is different, and it does not have slave channels or all the + * clutter of later ICH/SATA setups. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/blkdev.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <scsi/scsi_host.h> +#include <linux/libata.h> +#include <linux/ata.h> + +#define DRV_NAME "pata_it8213" +#define DRV_VERSION "0.0.2" + +/** + * it8213_pre_reset - check for 40/80 pin + * @ap: Port + * + * Perform cable detection for the 8213 ATA interface. This is + * different to the PIIX arrangement + */ + +static int it8213_pre_reset(struct ata_port *ap) +{ + static const struct pci_bits it8213_enable_bits[] = { + { 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */ + }; + + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + u8 tmp; + + if (!pci_test_config_bits(pdev, &it8213_enable_bits[ap->port_no])) + return -ENOENT; + + pci_read_config_byte(pdev, 0x42, &tmp); + if (tmp & 2) /* The initial docs are incorrect */ + ap->cbl = ATA_CBL_PATA40; + else + ap->cbl = ATA_CBL_PATA80; + return ata_std_prereset(ap); +} + +/** + * it8213_probe_reset - Probe specified port on PATA host controller + * @ap: Port to probe + * + * LOCKING: + * None (inherited from caller). + */ + +static void it8213_error_handler(struct ata_port *ap) +{ + ata_bmdma_drive_eh(ap, it8213_pre_reset, ata_std_softreset, NULL, ata_std_postreset); +} + +/** + * it8213_set_piomode - Initialize host controller PATA PIO timings + * @ap: Port whose timings we are configuring + * @adev: um + * + * Set PIO mode for device, in host controller PCI config space. + * + * LOCKING: + * None (inherited from caller). + */ + +static void it8213_set_piomode (struct ata_port *ap, struct ata_device *adev) +{ + unsigned int pio = adev->pio_mode - XFER_PIO_0; + struct pci_dev *dev = to_pci_dev(ap->host->dev); + unsigned int idetm_port= ap->port_no ? 0x42 : 0x40; + u16 idetm_data; + int control = 0; + + /* + * See Intel Document 298600-004 for the timing programing rules + * for PIIX/ICH. The 8213 is a clone so very similar + */ + + static const /* ISP RTC */ + u8 timings[][2] = { { 0, 0 }, + { 0, 0 }, + { 1, 0 }, + { 2, 1 }, + { 2, 3 }, }; + + if (pio > 2) + control |= 1; /* TIME1 enable */ + if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */ + control |= 2; /* IORDY enable */ + /* Bit 2 is set for ATAPI on the IT8213 - reverse of ICH/PIIX */ + if (adev->class != ATA_DEV_ATA) + control |= 4; + + pci_read_config_word(dev, idetm_port, &idetm_data); + + /* Enable PPE, IE and TIME as appropriate */ + + if (adev->devno == 0) { + idetm_data &= 0xCCF0; + idetm_data |= control; + idetm_data |= (timings[pio][0] << 12) | + (timings[pio][1] << 8); + } else { + u8 slave_data; + + idetm_data &= 0xCC0F; + idetm_data |= (control << 4); + + /* Slave timing in seperate register */ + pci_read_config_byte(dev, 0x44, &slave_data); + slave_data &= 0xF0; + slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << 4; + pci_write_config_byte(dev, 0x44, slave_data); + } + + idetm_data |= 0x4000; /* Ensure SITRE is enabled */ + pci_write_config_word(dev, idetm_port, idetm_data); +} + +/** + * it8213_set_dmamode - Initialize host controller PATA DMA timings + * @ap: Port whose timings we are configuring + * @adev: Device to program + * + * Set UDMA/MWDMA mode for device, in host controller PCI config space. + * This device is basically an ICH alike. + * + * LOCKING: + * None (inherited from caller). + */ + +static void it8213_set_dmamode (struct ata_port *ap, struct ata_device *adev) +{ + struct pci_dev *dev = to_pci_dev(ap->host->dev); + u16 master_data; + u8 speed = adev->dma_mode; + int devid = adev->devno; + u8 udma_enable; + + static const /* ISP RTC */ + u8 timings[][2] = { { 0, 0 }, + { 0, 0 }, + { 1, 0 }, + { 2, 1 }, + { 2, 3 }, }; + + pci_read_config_word(dev, 0x40, &master_data); + pci_read_config_byte(dev, 0x48, &udma_enable); + + if (speed >= XFER_UDMA_0) { + unsigned int udma = adev->dma_mode - XFER_UDMA_0; + u16 udma_timing; + u16 ideconf; + int u_clock, u_speed; + + /* Clocks follow the PIIX style */ + u_speed = min(2 - (udma & 1), udma); + if (udma == 5) + u_clock = 0x1000; /* 100Mhz */ + else if (udma > 2) + u_clock = 1; /* 66Mhz */ + else + u_clock = 0; /* 33Mhz */ + + udma_enable |= (1 << devid); + + /* Load the UDMA mode number */ + pci_read_config_word(dev, 0x4A, &udma_timing); + udma_timing &= ~(3 << (4 * devid)); + udma_timing |= (udma & 3) << (4 * devid); + pci_write_config_word(dev, 0x4A, udma_timing); + + /* Load the clock selection */ + pci_read_config_word(dev, 0x54, &ideconf); + ideconf &= ~(0x1001 << devid); + ideconf |= u_clock << devid; + pci_write_config_word(dev, 0x54, ideconf); + } else { + /* + * MWDMA is driven by the PIO timings. We must also enable + * IORDY unconditionally along with TIME1. PPE has already + * been set when the PIO timing was set. + */ + unsigned int mwdma = adev->dma_mode - XFER_MW_DMA_0; + unsigned int control; + u8 slave_data; + static const unsigned int needed_pio[3] = { + XFER_PIO_0, XFER_PIO_3, XFER_PIO_4 + }; + int pio = needed_pio[mwdma] - XFER_PIO_0; + + control = 3; /* IORDY|TIME1 */ + + /* If the drive MWDMA is faster than it can do PIO then + we must force PIO into PIO0 */ + + if (adev->pio_mode < needed_pio[mwdma]) + /* Enable DMA timing only */ + control |= 8; /* PIO cycles in PIO0 */ + + if (devid) { /* Slave */ + master_data &= 0xFF4F; /* Mask out IORDY|TIME1|DMAONLY */ + master_data |= control << 4; + pci_read_config_byte(dev, 0x44, &slave_data); + slave_data &= (0x0F + 0xE1 * ap->port_no); + /* Load the matching timing */ + slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << (ap->port_no ? 4 : 0); + pci_write_config_byte(dev, 0x44, slave_data); + } else { /* Master */ + master_data &= 0xCCF4; /* Mask out IORDY|TIME1|DMAONLY + and master timing bits */ + master_data |= control; + master_data |= + (timings[pio][0] << 12) | + (timings[pio][1] << 8); + } + udma_enable &= ~(1 << devid); + pci_write_config_word(dev, 0x40, master_data); + } + pci_write_config_byte(dev, 0x48, udma_enable); +} + +static struct scsi_host_template it8213_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = ata_scsi_slave_config, + .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, +}; + +static const struct ata_port_operations it8213_ops = { + .port_disable = ata_port_disable, + .set_piomode = it8213_set_piomode, + .set_dmamode = it8213_set_dmamode, + .mode_filter = ata_pci_default_filter, + + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = it8213_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + + .bmdma_setup = ata_bmdma_setup, + .bmdma_start = ata_bmdma_start, + .bmdma_stop = ata_bmdma_stop, + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .data_xfer = ata_data_xfer, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, + + .port_start = ata_port_start, +}; + + +/** + * it8213_init_one - Register 8213 ATA PCI device with kernel services + * @pdev: PCI device to register + * @ent: Entry in it8213_pci_tbl matching with @pdev + * + * Called from kernel PCI layer. + * + * LOCKING: + * Inherited from PCI layer (may sleep). + * + * RETURNS: + * Zero on success, or -ERRNO value. + */ + +static int it8213_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) +{ + static int printed_version; + static struct ata_port_info info = { + .sht = &it8213_sht, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x07, /* mwdma0-2 */ + .udma_mask = 0x1f, /* UDMA 100 */ + .port_ops = &it8213_ops, + }; + static struct ata_port_info *port_info[2] = { &info, &info }; + + if (!printed_version++) + dev_printk(KERN_DEBUG, &pdev->dev, + "version " DRV_VERSION "\n"); + + /* Current IT8213 stuff is single port */ + return ata_pci_init_one(pdev, port_info, 1); +} + +static const struct pci_device_id it8213_pci_tbl[] = { + { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8213), }, + + { } /* terminate list */ +}; + +static struct pci_driver it8213_pci_driver = { + .name = DRV_NAME, + .id_table = it8213_pci_tbl, + .probe = it8213_init_one, + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, +}; + +static int __init it8213_init(void) +{ + return pci_register_driver(&it8213_pci_driver); +} + +static void __exit it8213_exit(void) +{ + pci_unregister_driver(&it8213_pci_driver); +} + +module_init(it8213_init); +module_exit(it8213_exit); + +MODULE_AUTHOR("Alan Cox"); +MODULE_DESCRIPTION("SCSI low-level driver for the ITE 8213"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, it8213_pci_tbl); +MODULE_VERSION(DRV_VERSION); diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index e8afd486434..73394c75be4 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -492,7 +492,7 @@ static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused /* Bits 5 and 6 indicate if DMA is active on master/slave */ /* It is possible that BMDMA isn't allocated */ if (ap->ioaddr.bmdma_addr) - dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; @@ -531,23 +531,9 @@ static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused static void it821x_dev_config(struct ata_port *ap, struct ata_device *adev) { - unsigned char model_num[40]; - char *s; - unsigned int len; - - /* This block ought to be a library routine as it is in several - drivers now */ - - ata_id_string(adev->id, model_num, ATA_ID_PROD_OFS, - sizeof(model_num)); - s = &model_num[0]; - len = strnlen(s, sizeof(model_num)); - - /* ATAPI specifies that empty space is blank-filled; remove blanks */ - while ((len > 0) && (s[len - 1] == ' ')) { - len--; - s[len] = 0; - } + unsigned char model_num[ATA_ID_PROD_LEN + 1]; + + ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); if (adev->max_sectors > 255) adev->max_sectors = 255; @@ -608,14 +594,10 @@ static int it821x_port_start(struct ata_port *ap) if (ret < 0) return ret; - ap->private_data = kmalloc(sizeof(struct it821x_dev), GFP_KERNEL); - if (ap->private_data == NULL) { - ata_port_stop(ap); + itdev = devm_kzalloc(&pdev->dev, sizeof(struct it821x_dev), GFP_KERNEL); + if (itdev == NULL) return -ENOMEM; - } - - itdev = ap->private_data; - memset(itdev, 0, sizeof(struct it821x_dev)); + ap->private_data = itdev; pci_read_config_byte(pdev, 0x50, &conf); @@ -646,20 +628,6 @@ static int it821x_port_start(struct ata_port *ap) return 0; } -/** - * it821x_port_stop - port shutdown - * @ap: ATA port being removed - * - * Release the private objects we added in it821x_port_start - */ - -static void it821x_port_stop(struct ata_port *ap) { - kfree(ap->private_data); - ap->private_data = NULL; /* We want an OOPS if we reuse this - too late! */ - ata_port_stop(ap); -} - static struct scsi_host_template it821x_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -706,14 +674,14 @@ static struct ata_port_operations it821x_smart_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = it821x_smart_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = it821x_port_start, - .port_stop = it821x_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations it821x_passthru_port_ops = { @@ -742,14 +710,14 @@ static struct ata_port_operations it821x_passthru_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = it821x_passthru_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_clear = ata_bmdma_irq_clear, .irq_handler = ata_interrupt, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = it821x_port_start, - .port_stop = it821x_port_stop, - .host_stop = ata_host_stop }; static void __devinit it821x_disable_raid(struct pci_dev *pdev) diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c index 23b8aab3ebd..3222ac7b945 100644 --- a/drivers/ata/pata_ixp4xx_cf.c +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -95,14 +95,6 @@ static void ixp4xx_irq_clear(struct ata_port *ap) { } -static void ixp4xx_host_stop (struct ata_host *host) -{ - struct ixp4xx_pata_data *data = host->dev->platform_data; - - iounmap(data->cs0); - iounmap(data->cs1); -} - static struct scsi_host_template ixp4xx_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -139,10 +131,10 @@ static struct ata_port_operations ixp4xx_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ixp4xx_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ixp4xx_host_stop, .phy_reset = ixp4xx_phy_reset, }; @@ -150,9 +142,9 @@ static struct ata_port_operations ixp4xx_port_ops = { static void ixp4xx_setup_port(struct ata_ioports *ioaddr, struct ixp4xx_pata_data *data) { - ioaddr->cmd_addr = (unsigned long) data->cs0; - ioaddr->altstatus_addr = (unsigned long) data->cs1 + 0x06; - ioaddr->ctl_addr = (unsigned long) data->cs1 + 0x06; + ioaddr->cmd_addr = data->cs0; + ioaddr->altstatus_addr = data->cs1 + 0x06; + ioaddr->ctl_addr = data->cs1 + 0x06; ata_std_ports(ioaddr); @@ -162,19 +154,19 @@ static void ixp4xx_setup_port(struct ata_ioports *ioaddr, * ixp4xx in little endian mode. */ - ioaddr->data_addr ^= 0x02; - ioaddr->cmd_addr ^= 0x03; - ioaddr->altstatus_addr ^= 0x03; - ioaddr->ctl_addr ^= 0x03; - ioaddr->error_addr ^= 0x03; - ioaddr->feature_addr ^= 0x03; - ioaddr->nsect_addr ^= 0x03; - ioaddr->lbal_addr ^= 0x03; - ioaddr->lbam_addr ^= 0x03; - ioaddr->lbah_addr ^= 0x03; - ioaddr->device_addr ^= 0x03; - ioaddr->status_addr ^= 0x03; - ioaddr->command_addr ^= 0x03; + *(unsigned long *)&ioaddr->data_addr ^= 0x02; + *(unsigned long *)&ioaddr->cmd_addr ^= 0x03; + *(unsigned long *)&ioaddr->altstatus_addr ^= 0x03; + *(unsigned long *)&ioaddr->ctl_addr ^= 0x03; + *(unsigned long *)&ioaddr->error_addr ^= 0x03; + *(unsigned long *)&ioaddr->feature_addr ^= 0x03; + *(unsigned long *)&ioaddr->nsect_addr ^= 0x03; + *(unsigned long *)&ioaddr->lbal_addr ^= 0x03; + *(unsigned long *)&ioaddr->lbam_addr ^= 0x03; + *(unsigned long *)&ioaddr->lbah_addr ^= 0x03; + *(unsigned long *)&ioaddr->device_addr ^= 0x03; + *(unsigned long *)&ioaddr->status_addr ^= 0x03; + *(unsigned long *)&ioaddr->command_addr ^= 0x03; #endif } @@ -195,8 +187,8 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev) pdev->dev.coherent_dma_mask = DMA_32BIT_MASK; - data->cs0 = ioremap(cs0->start, 0x1000); - data->cs1 = ioremap(cs1->start, 0x1000); + data->cs0 = devm_ioremap(&pdev->dev, cs0->start, 0x1000); + data->cs1 = devm_ioremap(&pdev->dev, cs1->start, 0x1000); irq = platform_get_irq(pdev, 0); if (irq) @@ -238,7 +230,7 @@ static __devexit int ixp4xx_pata_remove(struct platform_device *dev) { struct ata_host *host = platform_get_drvdata(dev); - ata_host_remove(host); + ata_host_detach(host); platform_set_drvdata(dev, NULL); return 0; diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index d50264af284..7a635dd326f 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -161,16 +161,16 @@ static const struct ata_port_operations jmicron_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, /* IRQ-related hooks */ .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, /* Generic PATA PCI ATA helpers */ .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; @@ -221,7 +221,7 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i static int jmicron_reinit_one(struct pci_dev *pdev) { u32 reg; - + switch(pdev->device) { case PCI_DEVICE_ID_JMICRON_JMB368: break; diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 581cb33c6f4..4223e10de6a 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -164,14 +164,14 @@ static struct ata_port_operations simple_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer_noirq, + .data_xfer = ata_data_xfer_noirq, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations legacy_port_ops = { @@ -189,14 +189,14 @@ static struct ata_port_operations legacy_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer_noirq, + .data_xfer = ata_data_xfer_noirq, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -257,31 +257,33 @@ static void pdc_data_xfer_vlb(struct ata_device *adev, unsigned char *buf, unsig local_irq_save(flags); /* Perform the 32bit I/O synchronization sequence */ - inb(ap->ioaddr.nsect_addr); - inb(ap->ioaddr.nsect_addr); - inb(ap->ioaddr.nsect_addr); + ioread8(ap->ioaddr.nsect_addr); + ioread8(ap->ioaddr.nsect_addr); + ioread8(ap->ioaddr.nsect_addr); /* Now the data */ if (write_data) - outsl(ap->ioaddr.data_addr, buf, buflen >> 2); + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); else - insl(ap->ioaddr.data_addr, buf, buflen >> 2); + ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { u32 pad; if (write_data) { memcpy(&pad, buf + buflen - slop, slop); - outl(le32_to_cpu(pad), ap->ioaddr.data_addr); + pad = le32_to_cpu(pad); + iowrite32(pad, ap->ioaddr.data_addr); } else { - pad = cpu_to_le16(inl(ap->ioaddr.data_addr)); + pad = ioread32(ap->ioaddr.data_addr); + pad = cpu_to_le16(pad); memcpy(buf + buflen - slop, &pad, slop); } } local_irq_restore(flags); } else - ata_pio_data_xfer_noirq(adev, buf, buflen, write_data); + ata_data_xfer_noirq(adev, buf, buflen, write_data); } static struct ata_port_operations pdc20230_port_ops = { @@ -303,10 +305,10 @@ static struct ata_port_operations pdc20230_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -332,8 +334,8 @@ static void ht6560a_set_piomode(struct ata_port *ap, struct ata_device *adev) inb(0x3E6); inb(0x3E6); - outb(recover << 4 | active, ap->ioaddr.device_addr); - inb(ap->ioaddr.status_addr); + iowrite8(recover << 4 | active, ap->ioaddr.device_addr); + ioread8(ap->ioaddr.status_addr); } static struct ata_port_operations ht6560a_port_ops = { @@ -351,14 +353,14 @@ static struct ata_port_operations ht6560a_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, /* Check vlb/noirq */ + .data_xfer = ata_data_xfer, /* Check vlb/noirq */ .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -387,7 +389,7 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev) inb(0x3E6); inb(0x3E6); - outb(recover << 4 | active, ap->ioaddr.device_addr); + iowrite8(recover << 4 | active, ap->ioaddr.device_addr); if (adev->class != ATA_DEV_ATA) { u8 rconf = inb(0x3E6); @@ -396,7 +398,7 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev) outb(rconf, 0x3E6); } } - inb(ap->ioaddr.status_addr); + ioread8(ap->ioaddr.status_addr); } static struct ata_port_operations ht6560b_port_ops = { @@ -414,14 +416,14 @@ static struct ata_port_operations ht6560b_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, /* FIXME: Check 32bit and noirq */ + .data_xfer = ata_data_xfer, /* FIXME: Check 32bit and noirq */ .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -464,12 +466,12 @@ static void opti82c611a_set_piomode(struct ata_port *ap, struct ata_device *adev u8 rc; /* Enter configuration mode */ - inw(ap->ioaddr.error_addr); - inw(ap->ioaddr.error_addr); - outb(3, ap->ioaddr.nsect_addr); + ioread16(ap->ioaddr.error_addr); + ioread16(ap->ioaddr.error_addr); + iowrite8(3, ap->ioaddr.nsect_addr); /* Read VLB clock strapping */ - clock = 1000000000 / khz[inb(ap->ioaddr.lbah_addr) & 0x03]; + clock = 1000000000 / khz[ioread8(ap->ioaddr.lbah_addr) & 0x03]; /* Get the timing data in cycles */ ata_timing_compute(adev, adev->pio_mode, &t, clock, 1000); @@ -487,33 +489,33 @@ static void opti82c611a_set_piomode(struct ata_port *ap, struct ata_device *adev setup = FIT(t.setup, 1, 4) - 1; /* Select the right timing bank for write timing */ - rc = inb(ap->ioaddr.lbal_addr); + rc = ioread8(ap->ioaddr.lbal_addr); rc &= 0x7F; rc |= (adev->devno << 7); - outb(rc, ap->ioaddr.lbal_addr); + iowrite8(rc, ap->ioaddr.lbal_addr); /* Write the timings */ - outb(active << 4 | recover, ap->ioaddr.error_addr); + iowrite8(active << 4 | recover, ap->ioaddr.error_addr); /* Select the right bank for read timings, also load the shared timings for address */ - rc = inb(ap->ioaddr.device_addr); + rc = ioread8(ap->ioaddr.device_addr); rc &= 0xC0; rc |= adev->devno; /* Index select */ rc |= (setup << 4) | 0x04; - outb(rc, ap->ioaddr.device_addr); + iowrite8(rc, ap->ioaddr.device_addr); /* Load the read timings */ - outb(active << 4 | recover, ap->ioaddr.data_addr); + iowrite8(active << 4 | recover, ap->ioaddr.data_addr); /* Ensure the timing register mode is right */ - rc = inb (ap->ioaddr.lbal_addr); + rc = ioread8(ap->ioaddr.lbal_addr); rc &= 0x73; rc |= 0x84; - outb(rc, ap->ioaddr.lbal_addr); + iowrite8(rc, ap->ioaddr.lbal_addr); /* Exit command mode */ - outb(0x83, ap->ioaddr.nsect_addr); + iowrite8(0x83, ap->ioaddr.nsect_addr); } @@ -532,14 +534,14 @@ static struct ata_port_operations opti82c611a_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /* @@ -563,9 +565,9 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev) sysclk = opti_syscfg(0xAC) & 0xC0; /* BIOS set */ /* Enter configuration mode */ - inw(ap->ioaddr.error_addr); - inw(ap->ioaddr.error_addr); - outb(3, ap->ioaddr.nsect_addr); + ioread16(ap->ioaddr.error_addr); + ioread16(ap->ioaddr.error_addr); + iowrite8(3, ap->ioaddr.nsect_addr); /* Read VLB clock strapping */ clock = 1000000000 / khz[sysclk]; @@ -586,33 +588,33 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev) setup = FIT(t.setup, 1, 4) - 1; /* Select the right timing bank for write timing */ - rc = inb(ap->ioaddr.lbal_addr); + rc = ioread8(ap->ioaddr.lbal_addr); rc &= 0x7F; rc |= (adev->devno << 7); - outb(rc, ap->ioaddr.lbal_addr); + iowrite8(rc, ap->ioaddr.lbal_addr); /* Write the timings */ - outb(active << 4 | recover, ap->ioaddr.error_addr); + iowrite8(active << 4 | recover, ap->ioaddr.error_addr); /* Select the right bank for read timings, also load the shared timings for address */ - rc = inb(ap->ioaddr.device_addr); + rc = ioread8(ap->ioaddr.device_addr); rc &= 0xC0; rc |= adev->devno; /* Index select */ rc |= (setup << 4) | 0x04; - outb(rc, ap->ioaddr.device_addr); + iowrite8(rc, ap->ioaddr.device_addr); /* Load the read timings */ - outb(active << 4 | recover, ap->ioaddr.data_addr); + iowrite8(active << 4 | recover, ap->ioaddr.data_addr); /* Ensure the timing register mode is right */ - rc = inb (ap->ioaddr.lbal_addr); + rc = ioread8(ap->ioaddr.lbal_addr); rc &= 0x73; rc |= 0x84; - outb(rc, ap->ioaddr.lbal_addr); + iowrite8(rc, ap->ioaddr.lbal_addr); /* Exit command mode */ - outb(0x83, ap->ioaddr.nsect_addr); + iowrite8(0x83, ap->ioaddr.nsect_addr); /* We need to know this for quad device on the MVB */ ap->host->private_data = ap; @@ -662,14 +664,14 @@ static struct ata_port_operations opti82c46x_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = opti82c46x_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; @@ -689,21 +691,26 @@ static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl struct legacy_data *ld = &legacy_data[nr_legacy_host]; struct ata_probe_ent ae; struct platform_device *pdev; - int ret = -EBUSY; struct ata_port_operations *ops = &legacy_port_ops; + void __iomem *io_addr, *ctrl_addr; int pio_modes = pio_mask; u32 mask = (1 << port); - - if (request_region(io, 8, "pata_legacy") == NULL) - return -EBUSY; - if (request_region(ctrl, 1, "pata_legacy") == NULL) - goto fail_io; + int ret; pdev = platform_device_register_simple(DRV_NAME, nr_legacy_host, NULL, 0); - if (IS_ERR(pdev)) { - ret = PTR_ERR(pdev); - goto fail_dev; - } + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + ret = -EBUSY; + if (devm_request_region(&pdev->dev, io, 8, "pata_legacy") == NULL || + devm_request_region(&pdev->dev, ctrl, 1, "pata_legacy") == NULL) + goto fail; + + ret = -ENOMEM; + io_addr = devm_ioport_map(&pdev->dev, io, 8); + ctrl_addr = devm_ioport_map(&pdev->dev, ctrl, 1); + if (!io_addr || !ctrl_addr) + goto fail; if (ht6560a & mask) { ops = &ht6560a_port_ops; @@ -770,27 +777,22 @@ static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl ae.irq = irq; ae.irq_flags = 0; ae.port_flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST; - ae.port[0].cmd_addr = io; - ae.port[0].altstatus_addr = ctrl; - ae.port[0].ctl_addr = ctrl; + ae.port[0].cmd_addr = io_addr; + ae.port[0].altstatus_addr = ctrl_addr; + ae.port[0].ctl_addr = ctrl_addr; ata_std_ports(&ae.port[0]); ae.private_data = ld; - ret = ata_device_add(&ae); - if (ret == 0) { - ret = -ENODEV; + ret = -ENODEV; + if (!ata_device_add(&ae)) goto fail; - } + legacy_host[nr_legacy_host++] = dev_get_drvdata(&pdev->dev); ld->platform_dev = pdev; return 0; fail: platform_device_unregister(pdev); -fail_dev: - release_region(ctrl, 1); -fail_io: - release_region(io, 8); return ret; } @@ -923,15 +925,11 @@ static __exit void legacy_exit(void) for (i = 0; i < nr_legacy_host; i++) { struct legacy_data *ld = &legacy_data[i]; - struct ata_port *ap =legacy_host[i]->ports[0]; - unsigned long io = ap->ioaddr.cmd_addr; - unsigned long ctrl = ap->ioaddr.ctl_addr; - ata_host_remove(legacy_host[i]); + + ata_host_detach(legacy_host[i]); platform_device_unregister(ld->platform_dev); if (ld->timing) release_region(ld->timing, 2); - release_region(io, 8); - release_region(ctrl, 1); } } diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index 1c810ea0025..13a70ac6f1d 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -45,10 +45,10 @@ static int marvell_pre_reset(struct ata_port *ap) for(i = 0; i <= 0x0F; i++) printk("%02X:%02X ", i, readb(barp + i)); printk("\n"); - + devices = readl(barp + 0x0C); pci_iounmap(pdev, barp); - + if ((pdev->device == 0x6145) && (ap->port_no == 0) && (!(devices & 0x10))) /* PATA enable ? */ return -ENOENT; @@ -57,7 +57,7 @@ static int marvell_pre_reset(struct ata_port *ap) switch(ap->port_no) { case 0: - if (inb(ap->ioaddr.bmdma_addr + 1) & 1) + if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1) ap->cbl = ATA_CBL_PATA40; else ap->cbl = ATA_CBL_PATA80; @@ -129,16 +129,16 @@ static const struct ata_port_operations marvell_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, /* Timeout handling */ .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, /* Generic PATA PCI ATA helpers */ .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c new file mode 100644 index 00000000000..d7378df4497 --- /dev/null +++ b/drivers/ata/pata_mpc52xx.c @@ -0,0 +1,538 @@ +/* + * drivers/ata/pata_mpc52xx.c + * + * libata driver for the Freescale MPC52xx on-chip IDE interface + * + * Copyright (C) 2006 Sylvain Munaut <tnt@246tNt.com> + * Copyright (C) 2003 Mipsys - Benjamin Herrenschmidt + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/libata.h> + +#include <asm/types.h> +#include <asm/prom.h> +#include <asm/of_platform.h> +#include <asm/mpc52xx.h> + + +#define DRV_NAME "mpc52xx_ata" +#define DRV_VERSION "0.1.0" + + +/* Private structures used by the driver */ +struct mpc52xx_ata_timings { + u32 pio1; + u32 pio2; +}; + +struct mpc52xx_ata_priv { + unsigned int ipb_period; + struct mpc52xx_ata __iomem * ata_regs; + int ata_irq; + struct mpc52xx_ata_timings timings[2]; + int csel; +}; + + +/* ATAPI-4 PIO specs (in ns) */ +static const int ataspec_t0[5] = {600, 383, 240, 180, 120}; +static const int ataspec_t1[5] = { 70, 50, 30, 30, 25}; +static const int ataspec_t2_8[5] = {290, 290, 290, 80, 70}; +static const int ataspec_t2_16[5] = {165, 125, 100, 80, 70}; +static const int ataspec_t2i[5] = { 0, 0, 0, 70, 25}; +static const int ataspec_t4[5] = { 30, 20, 15, 10, 10}; +static const int ataspec_ta[5] = { 35, 35, 35, 35, 35}; + +#define CALC_CLKCYC(c,v) ((((v)+(c)-1)/(c))) + + +/* Bit definitions inside the registers */ +#define MPC52xx_ATA_HOSTCONF_SMR 0x80000000UL /* State machine reset */ +#define MPC52xx_ATA_HOSTCONF_FR 0x40000000UL /* FIFO Reset */ +#define MPC52xx_ATA_HOSTCONF_IE 0x02000000UL /* Enable interrupt in PIO */ +#define MPC52xx_ATA_HOSTCONF_IORDY 0x01000000UL /* Drive supports IORDY protocol */ + +#define MPC52xx_ATA_HOSTSTAT_TIP 0x80000000UL /* Transaction in progress */ +#define MPC52xx_ATA_HOSTSTAT_UREP 0x40000000UL /* UDMA Read Extended Pause */ +#define MPC52xx_ATA_HOSTSTAT_RERR 0x02000000UL /* Read Error */ +#define MPC52xx_ATA_HOSTSTAT_WERR 0x01000000UL /* Write Error */ + +#define MPC52xx_ATA_FIFOSTAT_EMPTY 0x01 /* FIFO Empty */ + +#define MPC52xx_ATA_DMAMODE_WRITE 0x01 /* Write DMA */ +#define MPC52xx_ATA_DMAMODE_READ 0x02 /* Read DMA */ +#define MPC52xx_ATA_DMAMODE_UDMA 0x04 /* UDMA enabled */ +#define MPC52xx_ATA_DMAMODE_IE 0x08 /* Enable drive interrupt to CPU in DMA mode */ +#define MPC52xx_ATA_DMAMODE_FE 0x10 /* FIFO Flush enable in Rx mode */ +#define MPC52xx_ATA_DMAMODE_FR 0x20 /* FIFO Reset */ +#define MPC52xx_ATA_DMAMODE_HUT 0x40 /* Host UDMA burst terminate */ + + +/* Structure of the hardware registers */ +struct mpc52xx_ata { + + /* Host interface registers */ + u32 config; /* ATA + 0x00 Host configuration */ + u32 host_status; /* ATA + 0x04 Host controller status */ + u32 pio1; /* ATA + 0x08 PIO Timing 1 */ + u32 pio2; /* ATA + 0x0c PIO Timing 2 */ + u32 mdma1; /* ATA + 0x10 MDMA Timing 1 */ + u32 mdma2; /* ATA + 0x14 MDMA Timing 2 */ + u32 udma1; /* ATA + 0x18 UDMA Timing 1 */ + u32 udma2; /* ATA + 0x1c UDMA Timing 2 */ + u32 udma3; /* ATA + 0x20 UDMA Timing 3 */ + u32 udma4; /* ATA + 0x24 UDMA Timing 4 */ + u32 udma5; /* ATA + 0x28 UDMA Timing 5 */ + u32 share_cnt; /* ATA + 0x2c ATA share counter */ + u32 reserved0[3]; + + /* FIFO registers */ + u32 fifo_data; /* ATA + 0x3c */ + u8 fifo_status_frame; /* ATA + 0x40 */ + u8 fifo_status; /* ATA + 0x41 */ + u16 reserved7[1]; + u8 fifo_control; /* ATA + 0x44 */ + u8 reserved8[5]; + u16 fifo_alarm; /* ATA + 0x4a */ + u16 reserved9; + u16 fifo_rdp; /* ATA + 0x4e */ + u16 reserved10; + u16 fifo_wrp; /* ATA + 0x52 */ + u16 reserved11; + u16 fifo_lfrdp; /* ATA + 0x56 */ + u16 reserved12; + u16 fifo_lfwrp; /* ATA + 0x5a */ + + /* Drive TaskFile registers */ + u8 tf_control; /* ATA + 0x5c TASKFILE Control/Alt Status */ + u8 reserved13[3]; + u16 tf_data; /* ATA + 0x60 TASKFILE Data */ + u16 reserved14; + u8 tf_features; /* ATA + 0x64 TASKFILE Features/Error */ + u8 reserved15[3]; + u8 tf_sec_count; /* ATA + 0x68 TASKFILE Sector Count */ + u8 reserved16[3]; + u8 tf_sec_num; /* ATA + 0x6c TASKFILE Sector Number */ + u8 reserved17[3]; + u8 tf_cyl_low; /* ATA + 0x70 TASKFILE Cylinder Low */ + u8 reserved18[3]; + u8 tf_cyl_high; /* ATA + 0x74 TASKFILE Cylinder High */ + u8 reserved19[3]; + u8 tf_dev_head; /* ATA + 0x78 TASKFILE Device/Head */ + u8 reserved20[3]; + u8 tf_command; /* ATA + 0x7c TASKFILE Command/Status */ + u8 dma_mode; /* ATA + 0x7d ATA Host DMA Mode configuration */ + u8 reserved21[2]; +}; + + +/* ======================================================================== */ +/* Aux fns */ +/* ======================================================================== */ + + +/* MPC52xx low level hw control */ + +static int +mpc52xx_ata_compute_pio_timings(struct mpc52xx_ata_priv *priv, int dev, int pio) +{ + struct mpc52xx_ata_timings *timing = &priv->timings[dev]; + unsigned int ipb_period = priv->ipb_period; + unsigned int t0, t1, t2_8, t2_16, t2i, t4, ta; + + if ((pio<0) || (pio>4)) + return -EINVAL; + + t0 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t0[pio]); + t1 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t1[pio]); + t2_8 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t2_8[pio]); + t2_16 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t2_16[pio]); + t2i = CALC_CLKCYC(ipb_period, 1000 * ataspec_t2i[pio]); + t4 = CALC_CLKCYC(ipb_period, 1000 * ataspec_t4[pio]); + ta = CALC_CLKCYC(ipb_period, 1000 * ataspec_ta[pio]); + + timing->pio1 = (t0 << 24) | (t2_8 << 16) | (t2_16 << 8) | (t2i); + timing->pio2 = (t4 << 24) | (t1 << 16) | (ta << 8); + + return 0; +} + +static void +mpc52xx_ata_apply_timings(struct mpc52xx_ata_priv *priv, int device) +{ + struct mpc52xx_ata __iomem *regs = priv->ata_regs; + struct mpc52xx_ata_timings *timing = &priv->timings[device]; + + out_be32(®s->pio1, timing->pio1); + out_be32(®s->pio2, timing->pio2); + out_be32(®s->mdma1, 0); + out_be32(®s->mdma2, 0); + out_be32(®s->udma1, 0); + out_be32(®s->udma2, 0); + out_be32(®s->udma3, 0); + out_be32(®s->udma4, 0); + out_be32(®s->udma5, 0); + + priv->csel = device; +} + +static int +mpc52xx_ata_hw_init(struct mpc52xx_ata_priv *priv) +{ + struct mpc52xx_ata __iomem *regs = priv->ata_regs; + int tslot; + + /* Clear share_cnt (all sample code do this ...) */ + out_be32(®s->share_cnt, 0); + + /* Configure and reset host */ + out_be32(®s->config, + MPC52xx_ATA_HOSTCONF_IE | + MPC52xx_ATA_HOSTCONF_IORDY | + MPC52xx_ATA_HOSTCONF_SMR | + MPC52xx_ATA_HOSTCONF_FR); + + udelay(10); + + out_be32(®s->config, + MPC52xx_ATA_HOSTCONF_IE | + MPC52xx_ATA_HOSTCONF_IORDY); + + /* Set the time slot to 1us */ + tslot = CALC_CLKCYC(priv->ipb_period, 1000000); + out_be32(®s->share_cnt, tslot << 16 ); + + /* Init timings to PIO0 */ + memset(priv->timings, 0x00, 2*sizeof(struct mpc52xx_ata_timings)); + + mpc52xx_ata_compute_pio_timings(priv, 0, 0); + mpc52xx_ata_compute_pio_timings(priv, 1, 0); + + mpc52xx_ata_apply_timings(priv, 0); + + return 0; +} + + +/* ======================================================================== */ +/* libata driver */ +/* ======================================================================== */ + +static void +mpc52xx_ata_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + struct mpc52xx_ata_priv *priv = ap->host->private_data; + int pio, rv; + + pio = adev->pio_mode - XFER_PIO_0; + + rv = mpc52xx_ata_compute_pio_timings(priv, adev->devno, pio); + + if (rv) { + printk(KERN_ERR DRV_NAME + ": Trying to select invalid PIO mode %d\n", pio); + return; + } + + mpc52xx_ata_apply_timings(priv, adev->devno); +} +static void +mpc52xx_ata_dev_select(struct ata_port *ap, unsigned int device) +{ + struct mpc52xx_ata_priv *priv = ap->host->private_data; + + if (device != priv->csel) + mpc52xx_ata_apply_timings(priv, device); + + ata_std_dev_select(ap,device); +} + +static void +mpc52xx_ata_error_handler(struct ata_port *ap) +{ + ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL, + ata_std_postreset); +} + + + +static struct scsi_host_template mpc52xx_ata_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = ata_scsi_slave_config, + .bios_param = ata_std_bios_param, +}; + +static struct ata_port_operations mpc52xx_ata_port_ops = { + .port_disable = ata_port_disable, + .set_piomode = mpc52xx_ata_set_piomode, + .dev_select = mpc52xx_ata_dev_select, + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = mpc52xx_ata_error_handler, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .data_xfer = ata_data_xfer, + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, + .port_start = ata_port_start, +}; + +static struct ata_probe_ent mpc52xx_ata_probe_ent = { + .port_ops = &mpc52xx_ata_port_ops, + .sht = &mpc52xx_ata_sht, + .n_ports = 1, + .pio_mask = 0x1f, /* Up to PIO4 */ + .mwdma_mask = 0x00, /* No MWDMA */ + .udma_mask = 0x00, /* No UDMA */ + .port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .irq_flags = 0, +}; + +static int __devinit +mpc52xx_ata_init_one(struct device *dev, struct mpc52xx_ata_priv *priv) +{ + struct ata_probe_ent *ae = &mpc52xx_ata_probe_ent; + struct ata_ioports *aio = &ae->port[0]; + int rv; + + INIT_LIST_HEAD(&ae->node); + ae->dev = dev; + ae->irq = priv->ata_irq; + + aio->cmd_addr = 0; /* Don't have a classic reg block */ + aio->altstatus_addr = &priv->ata_regs->tf_control; + aio->ctl_addr = &priv->ata_regs->tf_control; + aio->data_addr = &priv->ata_regs->tf_data; + aio->error_addr = &priv->ata_regs->tf_features; + aio->feature_addr = &priv->ata_regs->tf_features; + aio->nsect_addr = &priv->ata_regs->tf_sec_count; + aio->lbal_addr = &priv->ata_regs->tf_sec_num; + aio->lbam_addr = &priv->ata_regs->tf_cyl_low; + aio->lbah_addr = &priv->ata_regs->tf_cyl_high; + aio->device_addr = &priv->ata_regs->tf_dev_head; + aio->status_addr = &priv->ata_regs->tf_command; + aio->command_addr = &priv->ata_regs->tf_command; + + ae->private_data = priv; + + rv = ata_device_add(ae); + + return rv ? 0 : -EINVAL; +} + +static struct mpc52xx_ata_priv * +mpc52xx_ata_remove_one(struct device *dev) +{ + struct ata_host *host = dev_get_drvdata(dev); + struct mpc52xx_ata_priv *priv = host->private_data; + + ata_host_detach(host); + + return priv; +} + + +/* ======================================================================== */ +/* OF Platform driver */ +/* ======================================================================== */ + +static int __devinit +mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match) +{ + unsigned int ipb_freq; + struct resource res_mem; + int ata_irq = NO_IRQ; + struct mpc52xx_ata __iomem *ata_regs; + struct mpc52xx_ata_priv *priv; + int rv; + + /* Get ipb frequency */ + ipb_freq = mpc52xx_find_ipb_freq(op->node); + if (!ipb_freq) { + printk(KERN_ERR DRV_NAME ": " + "Unable to find IPB Bus frequency\n" ); + return -ENODEV; + } + + /* Get IRQ and register */ + rv = of_address_to_resource(op->node, 0, &res_mem); + if (rv) { + printk(KERN_ERR DRV_NAME ": " + "Error while parsing device node resource\n" ); + return rv; + } + + ata_irq = irq_of_parse_and_map(op->node, 0); + if (ata_irq == NO_IRQ) { + printk(KERN_ERR DRV_NAME ": " + "Error while mapping the irq\n"); + return -EINVAL; + } + + /* Request mem region */ + if (!devm_request_mem_region(&op->dev, res_mem.start, + sizeof(struct mpc52xx_ata), DRV_NAME)) { + printk(KERN_ERR DRV_NAME ": " + "Error while requesting mem region\n"); + rv = -EBUSY; + goto err; + } + + /* Remap registers */ + ata_regs = devm_ioremap(&op->dev, res_mem.start, + sizeof(struct mpc52xx_ata)); + if (!ata_regs) { + printk(KERN_ERR DRV_NAME ": " + "Error while mapping register set\n"); + rv = -ENOMEM; + goto err; + } + + /* Prepare our private structure */ + priv = devm_kzalloc(&op->dev, sizeof(struct mpc52xx_ata_priv), + GFP_ATOMIC); + if (!priv) { + printk(KERN_ERR DRV_NAME ": " + "Error while allocating private structure\n"); + rv = -ENOMEM; + goto err; + } + + priv->ipb_period = 1000000000 / (ipb_freq / 1000); + priv->ata_regs = ata_regs; + priv->ata_irq = ata_irq; + priv->csel = -1; + + /* Init the hw */ + rv = mpc52xx_ata_hw_init(priv); + if (rv) { + printk(KERN_ERR DRV_NAME ": Error during HW init\n"); + goto err; + } + + /* Register ourselves to libata */ + rv = mpc52xx_ata_init_one(&op->dev, priv); + if (rv) { + printk(KERN_ERR DRV_NAME ": " + "Error while registering to ATA layer\n"); + return rv; + } + + /* Done */ + return 0; + + /* Error path */ +err: + irq_dispose_mapping(ata_irq); + return rv; +} + +static int +mpc52xx_ata_remove(struct of_device *op) +{ + struct mpc52xx_ata_priv *priv; + + priv = mpc52xx_ata_remove_one(&op->dev); + irq_dispose_mapping(priv->ata_irq); + + return 0; +} + + +#ifdef CONFIG_PM + +static int +mpc52xx_ata_suspend(struct of_device *op, pm_message_t state) +{ + return 0; /* FIXME : What to do here ? */ +} + +static int +mpc52xx_ata_resume(struct of_device *op) +{ + return 0; /* FIXME : What to do here ? */ +} + +#endif + + +static struct of_device_id mpc52xx_ata_of_match[] = { + { + .compatible = "mpc5200-ata", + }, + { + .compatible = "mpc52xx-ata", + }, + {}, +}; + + +static struct of_platform_driver mpc52xx_ata_of_platform_driver = { + .owner = THIS_MODULE, + .name = DRV_NAME, + .match_table = mpc52xx_ata_of_match, + .probe = mpc52xx_ata_probe, + .remove = mpc52xx_ata_remove, +#ifdef CONFIG_PM + .suspend = mpc52xx_ata_suspend, + .resume = mpc52xx_ata_resume, +#endif + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + + +/* ======================================================================== */ +/* Module */ +/* ======================================================================== */ + +static int __init +mpc52xx_ata_init(void) +{ + printk(KERN_INFO "ata: MPC52xx IDE/ATA libata driver\n"); + return of_register_platform_driver(&mpc52xx_ata_of_platform_driver); +} + +static void __exit +mpc52xx_ata_exit(void) +{ + of_unregister_platform_driver(&mpc52xx_ata_of_platform_driver); +} + +module_init(mpc52xx_ata_init); +module_exit(mpc52xx_ata_exit); + +MODULE_AUTHOR("Sylvain Munaut <tnt@246tNt.com>"); +MODULE_DESCRIPTION("Freescale MPC52xx IDE/ATA libata driver"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(of, mpc52xx_ata_of_match); +MODULE_VERSION(DRV_VERSION); + diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index 4ccca938675..ca8c965179b 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -35,7 +35,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_mpiix" -#define DRV_VERSION "0.7.3" +#define DRV_VERSION "0.7.5" enum { IDETIM = 0x6C, /* IDE control register */ @@ -49,12 +49,9 @@ enum { static int mpiix_pre_reset(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - static const struct pci_bits mpiix_enable_bits[] = { - { 0x6D, 1, 0x80, 0x80 }, - { 0x6F, 1, 0x80, 0x80 } - }; + static const struct pci_bits mpiix_enable_bits = { 0x6D, 1, 0x80, 0x80 }; - if (!pci_test_config_bits(pdev, &mpiix_enable_bits[ap->port_no])) + if (!pci_test_config_bits(pdev, &mpiix_enable_bits)) return -ENOENT; ap->cbl = ATA_CBL_PATA40; return ata_std_prereset(ap); @@ -80,8 +77,8 @@ static void mpiix_error_handler(struct ata_port *ap) * @adev: ATA device * * Called to do the PIO mode setup. The MPIIX allows us to program the - * IORDY sample point (2-5 clocks), recovery 1-4 clocks and whether - * prefetching or iordy are used. + * IORDY sample point (2-5 clocks), recovery (1-4 clocks) and whether + * prefetching or IORDY are used. * * This would get very ugly because we can only program timing for one * device at a time, the other gets PIO0. Fortunately libata calls @@ -103,18 +100,19 @@ static void mpiix_set_piomode(struct ata_port *ap, struct ata_device *adev) { 2, 3 }, }; pci_read_config_word(pdev, IDETIM, &idetim); - /* Mask the IORDY/TIME/PPE0 bank for this device */ + + /* Mask the IORDY/TIME/PPE for this device */ if (adev->class == ATA_DEV_ATA) - control |= PPE; /* PPE enable for disk */ + control |= PPE; /* Enable prefetch/posting for disk */ if (ata_pio_need_iordy(adev)) - control |= IORDY; /* IORDY */ - if (pio > 0) + control |= IORDY; + if (pio > 1) control |= FTIM; /* This drive is on the fast timing bank */ /* Mask out timing and clear both TIME bank selects */ idetim &= 0xCCEE; - idetim &= ~(0x07 << (2 * adev->devno)); - idetim |= (control << (2 * adev->devno)); + idetim &= ~(0x07 << (4 * adev->devno)); + idetim |= control << (4 * adev->devno); idetim |= (timings[pio][0] << 12) | (timings[pio][1] << 8); pci_write_config_word(pdev, IDETIM, idetim); @@ -188,23 +186,24 @@ static struct ata_port_operations mpiix_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = mpiix_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) { /* Single threaded by the PCI probe logic */ - static struct ata_probe_ent probe[2]; + static struct ata_probe_ent probe; static int printed_version; + void __iomem *cmd_addr, *ctl_addr; u16 idetim; - int enabled; + int irq; if (!printed_version++) dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); @@ -217,65 +216,49 @@ static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) if (!(idetim & ENABLED)) return -ENODEV; + /* See if it's primary or secondary channel... */ + if (!(idetim & SECONDARY)) { + irq = 14; + cmd_addr = devm_ioport_map(&dev->dev, 0x1F0, 8); + ctl_addr = devm_ioport_map(&dev->dev, 0x3F6, 1); + } else { + irq = 15; + cmd_addr = devm_ioport_map(&dev->dev, 0x170, 8); + ctl_addr = devm_ioport_map(&dev->dev, 0x376, 1); + } + + if (!cmd_addr || !ctl_addr) + return -ENOMEM; + /* We do our own plumbing to avoid leaking special cases for whacko ancient hardware into the core code. There are two issues to worry about. #1 The chip is a bridge so if in legacy mode and without BARs set fools the setup. #2 If you pci_disable_device the MPIIX your box goes castors up */ - INIT_LIST_HEAD(&probe[0].node); - probe[0].dev = pci_dev_to_dev(dev); - probe[0].port_ops = &mpiix_port_ops; - probe[0].sht = &mpiix_sht; - probe[0].pio_mask = 0x1F; - probe[0].irq = 14; - probe[0].irq_flags = SA_SHIRQ; - probe[0].port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; - probe[0].n_ports = 1; - probe[0].port[0].cmd_addr = 0x1F0; - probe[0].port[0].ctl_addr = 0x3F6; - probe[0].port[0].altstatus_addr = 0x3F6; - - /* The secondary lurks at different addresses but is otherwise - the same beastie */ - - INIT_LIST_HEAD(&probe[1].node); - probe[1] = probe[0]; - probe[1].irq = 15; - probe[1].port[0].cmd_addr = 0x170; - probe[1].port[0].ctl_addr = 0x376; - probe[1].port[0].altstatus_addr = 0x376; + INIT_LIST_HEAD(&probe.node); + probe.dev = pci_dev_to_dev(dev); + probe.port_ops = &mpiix_port_ops; + probe.sht = &mpiix_sht; + probe.pio_mask = 0x1F; + probe.irq_flags = SA_SHIRQ; + probe.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; + probe.n_ports = 1; + + probe.irq = irq; + probe.port[0].cmd_addr = cmd_addr; + probe.port[0].ctl_addr = ctl_addr; + probe.port[0].altstatus_addr = ctl_addr; /* Let libata fill in the port details */ - ata_std_ports(&probe[0].port[0]); - ata_std_ports(&probe[1].port[0]); + ata_std_ports(&probe.port[0]); /* Now add the port that is active */ - enabled = (idetim & SECONDARY) ? 1 : 0; - - if (ata_device_add(&probe[enabled])) + if (ata_device_add(&probe)) return 0; return -ENODEV; } -/** - * mpiix_remove_one - device unload - * @pdev: PCI device being removed - * - * Handle an unplug/unload event for a PCI device. Unload the - * PCI driver but do not use the default handler as we *MUST NOT* - * disable the device as it has other functions. - */ - -static void __devexit mpiix_remove_one(struct pci_dev *pdev) -{ - struct device *dev = pci_dev_to_dev(pdev); - struct ata_host *host = dev_get_drvdata(dev); - - ata_host_remove(host); - dev_set_drvdata(dev, NULL); -} - static const struct pci_device_id mpiix[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82371MX), }, @@ -286,7 +269,7 @@ static struct pci_driver mpiix_pci_driver = { .name = DRV_NAME, .id_table = mpiix, .probe = mpiix_init_one, - .remove = mpiix_remove_one, + .remove = ata_pci_remove_one, .suspend = ata_pci_device_suspend, .resume = ata_pci_device_resume, }; diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index cf7fe037471..e8393e19be4 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -89,16 +89,16 @@ static const struct ata_port_operations netcell_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, /* IRQ-related hooks */ .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, /* Generic PATA PCI ATA helpers */ .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c index c3032eb9010..3d1fa487c48 100644 --- a/drivers/ata/pata_ns87410.c +++ b/drivers/ata/pata_ns87410.c @@ -179,14 +179,14 @@ static struct ata_port_operations ns87410_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ns87410_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index 10ac3cc1018..45215aa05e7 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -25,7 +25,7 @@ #include <linux/ata.h> #define DRV_NAME "pata_oldpiix" -#define DRV_VERSION "0.5.2" +#define DRV_VERSION "0.5.3" /** * oldpiix_pre_reset - probe begin @@ -94,19 +94,21 @@ static void oldpiix_set_piomode (struct ata_port *ap, struct ata_device *adev) { 2, 1 }, { 2, 3 }, }; - if (pio > 2) - control |= 1; /* TIME1 enable */ + if (pio > 1) + control |= 1; /* TIME */ if (ata_pio_need_iordy(adev)) - control |= 2; /* IE IORDY */ + control |= 2; /* IE */ - /* Intel specifies that the PPE functionality is for disk only */ + /* Intel specifies that the prefetch/posting is for disk only */ if (adev->class == ATA_DEV_ATA) - control |= 4; /* PPE enable */ + control |= 4; /* PPE */ pci_read_config_word(dev, idetm_port, &idetm_data); - /* Enable PPE, IE and TIME as appropriate. Clear the other - drive timing bits */ + /* + * Set PPE, IE and TIME as appropriate. + * Clear the other drive's timing bits. + */ if (adev->devno == 0) { idetm_data &= 0xCCE0; idetm_data |= control; @@ -259,14 +261,14 @@ static const struct ata_port_operations oldpiix_pata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = oldpiix_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c index c2988b0aa8e..da1aa148b37 100644 --- a/drivers/ata/pata_opti.c +++ b/drivers/ata/pata_opti.c @@ -95,18 +95,18 @@ static void opti_error_handler(struct ata_port *ap) static void opti_write_reg(struct ata_port *ap, u8 val, int reg) { - unsigned long regio = ap->ioaddr.cmd_addr; + void __iomem *regio = ap->ioaddr.cmd_addr; /* These 3 unlock the control register access */ - inw(regio + 1); - inw(regio + 1); - outb(3, regio + 2); + ioread16(regio + 1); + ioread16(regio + 1); + iowrite8(3, regio + 2); /* Do the I/O */ - outb(val, regio + reg); + iowrite8(val, regio + reg); /* Relock */ - outb(0x83, regio + 2); + iowrite8(0x83, regio + 2); } /** @@ -124,7 +124,7 @@ static void opti_set_piomode(struct ata_port *ap, struct ata_device *adev) struct ata_device *pair = ata_dev_pair(adev); int clock; int pio = adev->pio_mode - XFER_PIO_0; - unsigned long regio = ap->ioaddr.cmd_addr; + void __iomem *regio = ap->ioaddr.cmd_addr; u8 addr; /* Address table precomputed with prefetch off and a DCLK of 2 */ @@ -137,8 +137,8 @@ static void opti_set_piomode(struct ata_port *ap, struct ata_device *adev) { 0x58, 0x44, 0x32, 0x22, 0x21 } }; - outb(0xff, regio + 5); - clock = inw(regio + 5) & 1; + iowrite8(0xff, regio + 5); + clock = ioread16(regio + 5) & 1; /* * As with many controllers the address setup time is shared @@ -205,14 +205,14 @@ static struct ata_port_operations opti_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index 80d111c569d..d80b36e209c 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -91,12 +91,12 @@ static void optidma_error_handler(struct ata_port *ap) static void optidma_unlock(struct ata_port *ap) { - unsigned long regio = ap->ioaddr.cmd_addr; + void __iomem *regio = ap->ioaddr.cmd_addr; /* These 3 unlock the control register access */ - inw(regio + 1); - inw(regio + 1); - outb(3, regio + 2); + ioread16(regio + 1); + ioread16(regio + 1); + iowrite8(3, regio + 2); } /** @@ -108,10 +108,10 @@ static void optidma_unlock(struct ata_port *ap) static void optidma_lock(struct ata_port *ap) { - unsigned long regio = ap->ioaddr.cmd_addr; + void __iomem *regio = ap->ioaddr.cmd_addr; /* Relock */ - outb(0x83, regio + 2); + iowrite8(0x83, regio + 2); } /** @@ -133,7 +133,7 @@ static void optidma_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo struct ata_device *pair = ata_dev_pair(adev); int pio = adev->pio_mode - XFER_PIO_0; int dma = adev->dma_mode - XFER_MW_DMA_0; - unsigned long regio = ap->ioaddr.cmd_addr; + void __iomem *regio = ap->ioaddr.cmd_addr; u8 addr; /* Address table precomputed with a DCLK of 2 */ @@ -178,20 +178,20 @@ static void optidma_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo /* Commence primary programming sequence */ /* First we load the device number into the timing select */ - outb(adev->devno, regio + MISC_REG); + iowrite8(adev->devno, regio + MISC_REG); /* Now we load the data timings into read data/write data */ if (mode < XFER_MW_DMA_0) { - outb(data_rec_timing[pci_clock][pio], regio + READ_REG); - outb(data_rec_timing[pci_clock][pio], regio + WRITE_REG); + iowrite8(data_rec_timing[pci_clock][pio], regio + READ_REG); + iowrite8(data_rec_timing[pci_clock][pio], regio + WRITE_REG); } else if (mode < XFER_UDMA_0) { - outb(dma_data_rec_timing[pci_clock][dma], regio + READ_REG); - outb(dma_data_rec_timing[pci_clock][dma], regio + WRITE_REG); + iowrite8(dma_data_rec_timing[pci_clock][dma], regio + READ_REG); + iowrite8(dma_data_rec_timing[pci_clock][dma], regio + WRITE_REG); } /* Finally we load the address setup into the misc register */ - outb(addr | adev->devno, regio + MISC_REG); + iowrite8(addr | adev->devno, regio + MISC_REG); /* Programming sequence complete, timing 0 dev 0, timing 1 dev 1 */ - outb(0x85, regio + CNTRL_REG); + iowrite8(0x85, regio + CNTRL_REG); /* Switch back to IDE mode */ optidma_lock(ap); @@ -389,14 +389,14 @@ static struct ata_port_operations optidma_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations optiplus_port_ops = { @@ -424,14 +424,14 @@ static struct ata_port_operations optiplus_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 9ed7f58424a..acfc09f9abd 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -88,14 +88,14 @@ static struct ata_port_operations pcmcia_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer_noirq, + .data_xfer = ata_data_xfer_noirq, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; #define CS_CHECK(fn, ret) \ @@ -123,6 +123,7 @@ static int pcmcia_init_one(struct pcmcia_device *pdev) cistpl_cftable_entry_t *cfg; int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM; unsigned long io_base, ctl_base; + void __iomem *io_addr, *ctl_addr; info = kzalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) @@ -233,10 +234,17 @@ next_entry: CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq)); CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf)); + /* iomap */ + ret = -ENOMEM; + io_addr = devm_ioport_map(&pdev->dev, io_base, 8); + ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1); + if (!io_addr || !ctl_addr) + goto failed; + /* Success. Disable the IRQ nIEN line, do quirks */ - outb(0x02, ctl_base); + iowrite8(0x02, ctl_addr); if (is_kme) - outb(0x81, ctl_base + 0x01); + iowrite8(0x81, ctl_addr + 0x01); /* FIXME: Could be more ports at base + 0x10 but we only deal with one right now */ @@ -258,11 +266,12 @@ next_entry: ae.irq = pdev->irq.AssignedIRQ; ae.irq_flags = SA_SHIRQ; ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; - ae.port[0].cmd_addr = io_base; - ae.port[0].altstatus_addr = ctl_base; - ae.port[0].ctl_addr = ctl_base; + ae.port[0].cmd_addr = io_addr; + ae.port[0].altstatus_addr = ctl_addr; + ae.port[0].ctl_addr = ctl_addr; ata_std_ports(&ae.port[0]); + ret = -ENODEV; if (ata_device_add(&ae) == 0) goto failed; @@ -298,7 +307,7 @@ static void pcmcia_remove_one(struct pcmcia_device *pdev) /* If we have attached the device to the ATA layer, detach it */ if (info->ndev) { struct ata_host *host = dev_get_drvdata(dev); - ata_host_remove(host); + ata_host_detach(host); dev_set_drvdata(dev, NULL); } info->ndev = 0; diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index 76dd1c935db..ffa7f47fbb2 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -33,7 +33,6 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> -#include <asm/io.h> #define DRV_NAME "pata_pdc2027x" #define DRV_VERSION "0.74-ac5" @@ -46,6 +45,8 @@ #endif enum { + PDC_MMIO_BAR = 5, + PDC_UDMA_100 = 0, PDC_UDMA_133 = 1, @@ -62,7 +63,6 @@ enum { }; static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -static void pdc2027x_remove_one(struct pci_dev *pdev); static void pdc2027x_error_handler(struct ata_port *ap); static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev); static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev); @@ -123,7 +123,7 @@ static struct pci_driver pdc2027x_pci_driver = { .name = DRV_NAME, .id_table = pdc2027x_pci_tbl, .probe = pdc2027x_init_one, - .remove = __devexit_p(pdc2027x_remove_one), + .remove = ata_pci_remove_one, }; static struct scsi_host_template pdc2027x_sht = { @@ -160,7 +160,7 @@ static struct ata_port_operations pdc2027x_pata100_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -169,10 +169,10 @@ static struct ata_port_operations pdc2027x_pata100_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; static struct ata_port_operations pdc2027x_pata133_ops = { @@ -194,7 +194,7 @@ static struct ata_port_operations pdc2027x_pata133_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -203,10 +203,10 @@ static struct ata_port_operations pdc2027x_pata133_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; static struct ata_port_info pdc2027x_port_info[] = { @@ -245,7 +245,7 @@ MODULE_DEVICE_TABLE(pci, pdc2027x_pci_tbl); */ static inline void __iomem *port_mmio(struct ata_port *ap, unsigned int offset) { - return ap->host->mmio_base + ap->port_no * 0x100 + offset; + return ap->host->iomap[PDC_MMIO_BAR] + ap->port_no * 0x100 + offset; } /** @@ -526,18 +526,19 @@ static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc) static long pdc_read_counter(struct ata_probe_ent *probe_ent) { + void __iomem *mmio_base = probe_ent->iomap[PDC_MMIO_BAR]; long counter; int retry = 1; u32 bccrl, bccrh, bccrlv, bccrhv; retry: - bccrl = readl(probe_ent->mmio_base + PDC_BYTE_COUNT) & 0xffff; - bccrh = readl(probe_ent->mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff; + bccrl = readl(mmio_base + PDC_BYTE_COUNT) & 0xffff; + bccrh = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff; rmb(); /* Read the counter values again for verification */ - bccrlv = readl(probe_ent->mmio_base + PDC_BYTE_COUNT) & 0xffff; - bccrhv = readl(probe_ent->mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff; + bccrlv = readl(mmio_base + PDC_BYTE_COUNT) & 0xffff; + bccrhv = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff; rmb(); counter = (bccrh << 15) | bccrl; @@ -568,7 +569,7 @@ retry: */ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsigned int board_idx) { - + void __iomem *mmio_base = probe_ent->iomap[PDC_MMIO_BAR]; u16 pll_ctl; long pll_clock_khz = pll_clock / 1000; long pout_required = board_idx? PDC_133_MHZ:PDC_100_MHZ; @@ -587,7 +588,7 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi /* Show the current clock value of PLL control register * (maybe already configured by the firmware) */ - pll_ctl = readw(probe_ent->mmio_base + PDC_PLL_CTL); + pll_ctl = readw(mmio_base + PDC_PLL_CTL); PDPRINTK("pll_ctl[%X]\n", pll_ctl); #endif @@ -627,8 +628,8 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi PDPRINTK("Writing pll_ctl[%X]\n", pll_ctl); - writew(pll_ctl, probe_ent->mmio_base + PDC_PLL_CTL); - readw(probe_ent->mmio_base + PDC_PLL_CTL); /* flush */ + writew(pll_ctl, mmio_base + PDC_PLL_CTL); + readw(mmio_base + PDC_PLL_CTL); /* flush */ /* Wait the PLL circuit to be stable */ mdelay(30); @@ -638,7 +639,7 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi * Show the current clock value of PLL control register * (maybe configured by the firmware) */ - pll_ctl = readw(probe_ent->mmio_base + PDC_PLL_CTL); + pll_ctl = readw(mmio_base + PDC_PLL_CTL); PDPRINTK("pll_ctl[%X]\n", pll_ctl); #endif @@ -654,6 +655,7 @@ static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsi */ static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent) { + void __iomem *mmio_base = probe_ent->iomap[PDC_MMIO_BAR]; u32 scr; long start_count, end_count; long pll_clock; @@ -662,10 +664,10 @@ static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent) start_count = pdc_read_counter(probe_ent); /* Start the test mode */ - scr = readl(probe_ent->mmio_base + PDC_SYS_CTL); + scr = readl(mmio_base + PDC_SYS_CTL); PDPRINTK("scr[%X]\n", scr); - writel(scr | (0x01 << 14), probe_ent->mmio_base + PDC_SYS_CTL); - readl(probe_ent->mmio_base + PDC_SYS_CTL); /* flush */ + writel(scr | (0x01 << 14), mmio_base + PDC_SYS_CTL); + readl(mmio_base + PDC_SYS_CTL); /* flush */ /* Let the counter run for 100 ms. */ mdelay(100); @@ -674,10 +676,10 @@ static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent) end_count = pdc_read_counter(probe_ent); /* Stop the test mode */ - scr = readl(probe_ent->mmio_base + PDC_SYS_CTL); + scr = readl(mmio_base + PDC_SYS_CTL); PDPRINTK("scr[%X]\n", scr); - writel(scr & ~(0x01 << 14), probe_ent->mmio_base + PDC_SYS_CTL); - readl(probe_ent->mmio_base + PDC_SYS_CTL); /* flush */ + writel(scr & ~(0x01 << 14), mmio_base + PDC_SYS_CTL); + readl(mmio_base + PDC_SYS_CTL); /* flush */ /* calculate the input clock in Hz */ pll_clock = (start_count - end_count) * 10; @@ -722,7 +724,7 @@ static int pdc_hardware_init(struct pci_dev *pdev, struct ata_probe_ent *pe, uns * @port: ata ioports to setup * @base: base address */ -static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base) +static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base) { port->cmd_addr = port->data_addr = base; @@ -755,48 +757,37 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de static int printed_version; unsigned int board_idx = (unsigned int) ent->driver_data; - struct ata_probe_ent *probe_ent = NULL; - unsigned long base; + struct ata_probe_ent *probe_ent; void __iomem *mmio_base; int rc; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); + rc = pcim_iomap_regions(pdev, 1 << PDC_MMIO_BAR, DRV_NAME); if (rc) - goto err_out; + return rc; rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; /* Prepare the probe entry */ - probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, 5, 0); - if (!mmio_base) { - rc = -ENOMEM; - goto err_out_free_ent; - } - - base = (unsigned long) mmio_base; - probe_ent->sht = pdc2027x_port_info[board_idx].sht; probe_ent->port_flags = pdc2027x_port_info[board_idx].flags; probe_ent->pio_mask = pdc2027x_port_info[board_idx].pio_mask; @@ -806,12 +797,14 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de probe_ent->irq = pdev->irq; probe_ent->irq_flags = SA_SHIRQ; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); - pdc_ata_setup_port(&probe_ent->port[0], base + 0x17c0); - probe_ent->port[0].bmdma_addr = base + 0x1000; - pdc_ata_setup_port(&probe_ent->port[1], base + 0x15c0); - probe_ent->port[1].bmdma_addr = base + 0x1008; + mmio_base = probe_ent->iomap[PDC_MMIO_BAR]; + + pdc_ata_setup_port(&probe_ent->port[0], mmio_base + 0x17c0); + probe_ent->port[0].bmdma_addr = mmio_base + 0x1000; + pdc_ata_setup_port(&probe_ent->port[1], mmio_base + 0x15c0); + probe_ent->port[1].bmdma_addr = mmio_base + 0x1008; probe_ent->n_ports = 2; @@ -820,32 +813,13 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de /* initialize adapter */ if (pdc_hardware_init(pdev, probe_ent, board_idx) != 0) - goto err_out_free_ent; + return -EIO; - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; - -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - pci_disable_device(pdev); - return rc; -} - -/** - * pdc2027x_remove_one - Called to remove a single instance of the - * adapter. - * - * @dev: The PCI device to remove. - * FIXME: module load/unload not working yet - */ -static void __devexit pdc2027x_remove_one(struct pci_dev *pdev) -{ - ata_pci_remove_one(pdev); } /** diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index ad691b9e774..6dd63413a52 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -170,17 +170,17 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) struct ata_taskfile *tf = &qc->tf; int sel66 = ap->port_no ? 0x08: 0x02; - unsigned long master = ap->host->ports[0]->ioaddr.bmdma_addr; - unsigned long clock = master + 0x11; - unsigned long atapi_reg = master + 0x20 + (4 * ap->port_no); + void __iomem *master = ap->host->ports[0]->ioaddr.bmdma_addr; + void __iomem *clock = master + 0x11; + void __iomem *atapi_reg = master + 0x20 + (4 * ap->port_no); u32 len; /* Check we keep host level locking here */ if (adev->dma_mode >= XFER_UDMA_2) - outb(inb(clock) | sel66, clock); + iowrite8(ioread8(clock) | sel66, clock); else - outb(inb(clock) & ~sel66, clock); + iowrite8(ioread8(clock) & ~sel66, clock); /* The DMA clocks may have been trashed by a reset. FIXME: make conditional and move to qc_issue ? */ @@ -189,17 +189,14 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) /* Cases the state machine will not complete correctly without help */ if ((tf->flags & ATA_TFLAG_LBA48) || tf->protocol == ATA_PROT_ATAPI_DMA) { - if (tf->flags & ATA_TFLAG_LBA48) - len = qc->nsect * 512; - else - len = qc->nbytes; + len = qc->nbytes; if (tf->flags & ATA_TFLAG_WRITE) len |= 0x06000000; else len |= 0x05000000; - outl(len, atapi_reg); + iowrite32(len, atapi_reg); } /* Activate DMA */ @@ -222,19 +219,19 @@ static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc) int sel66 = ap->port_no ? 0x08: 0x02; /* The clock bits are in the same register for both channels */ - unsigned long master = ap->host->ports[0]->ioaddr.bmdma_addr; - unsigned long clock = master + 0x11; - unsigned long atapi_reg = master + 0x20 + (4 * ap->port_no); + void __iomem *master = ap->host->ports[0]->ioaddr.bmdma_addr; + void __iomem *clock = master + 0x11; + void __iomem *atapi_reg = master + 0x20 + (4 * ap->port_no); /* Cases the state machine will not complete correctly */ if (tf->protocol == ATA_PROT_ATAPI_DMA || ( tf->flags & ATA_TFLAG_LBA48)) { - outl(0, atapi_reg); - outb(inb(clock) & ~sel66, clock); + iowrite32(0, atapi_reg); + iowrite8(ioread8(clock) & ~sel66, clock); } /* Check we keep host level locking here */ /* Flip back to 33Mhz for PIO */ if (adev->dma_mode >= XFER_UDMA_2) - outb(inb(clock) & ~sel66, clock); + iowrite8(ioread8(clock) & ~sel66, clock); ata_bmdma_stop(qc); } @@ -297,14 +294,14 @@ static struct ata_port_operations pdc2024x_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations pdc2026x_port_ops = { @@ -331,14 +328,14 @@ static struct ata_port_operations pdc2026x_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c index 40ae11cbfda..479a326114e 100644 --- a/drivers/ata/pata_platform.c +++ b/drivers/ata/pata_platform.c @@ -47,23 +47,6 @@ static int pata_platform_set_mode(struct ata_port *ap, struct ata_device **unuse return 0; } -static void pata_platform_host_stop(struct ata_host *host) -{ - int i; - - /* - * Unmap the bases for MMIO - */ - for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap = host->ports[i]; - - if (ap->flags & ATA_FLAG_MMIO) { - iounmap((void __iomem *)ap->ioaddr.ctl_addr); - iounmap((void __iomem *)ap->ioaddr.cmd_addr); - } - } -} - static struct scsi_host_template pata_platform_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -100,14 +83,14 @@ static struct ata_port_operations pata_platform_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer_noirq, + .data_xfer = ata_data_xfer_noirq, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = pata_platform_host_stop }; static void pata_platform_setup_port(struct ata_ioports *ioaddr, @@ -153,7 +136,6 @@ static int __devinit pata_platform_probe(struct platform_device *pdev) struct resource *io_res, *ctl_res; struct ata_probe_ent ae; unsigned int mmio; - int ret; /* * Simple resource validation .. @@ -207,46 +189,29 @@ static int __devinit pata_platform_probe(struct platform_device *pdev) * Handle the MMIO case */ if (mmio) { - ae.port_flags |= ATA_FLAG_MMIO; - - ae.port[0].cmd_addr = (unsigned long)ioremap(io_res->start, + ae.port[0].cmd_addr = devm_ioremap(&pdev->dev, io_res->start, io_res->end - io_res->start + 1); - if (unlikely(!ae.port[0].cmd_addr)) { - dev_err(&pdev->dev, "failed to remap IO base\n"); - return -ENXIO; - } - - ae.port[0].ctl_addr = (unsigned long)ioremap(ctl_res->start, + ae.port[0].ctl_addr = devm_ioremap(&pdev->dev, ctl_res->start, ctl_res->end - ctl_res->start + 1); - if (unlikely(!ae.port[0].ctl_addr)) { - dev_err(&pdev->dev, "failed to remap CTL base\n"); - ret = -ENXIO; - goto bad_remap; - } } else { - ae.port[0].cmd_addr = io_res->start; - ae.port[0].ctl_addr = ctl_res->start; + ae.port[0].cmd_addr = devm_ioport_map(&pdev->dev, io_res->start, + io_res->end - io_res->start + 1); + ae.port[0].ctl_addr = devm_ioport_map(&pdev->dev, ctl_res->start, + ctl_res->end - ctl_res->start + 1); + } + if (!ae.port[0].cmd_addr || !ae.port[0].ctl_addr) { + dev_err(&pdev->dev, "failed to map IO/CTL base\n"); + return -ENOMEM; } ae.port[0].altstatus_addr = ae.port[0].ctl_addr; pata_platform_setup_port(&ae.port[0], pdev->dev.platform_data); - if (unlikely(ata_device_add(&ae) == 0)) { - ret = -ENODEV; - goto add_failed; - } + if (unlikely(ata_device_add(&ae) == 0)) + return -ENODEV; return 0; - -add_failed: - if (ae.port[0].ctl_addr && mmio) - iounmap((void __iomem *)ae.port[0].ctl_addr); -bad_remap: - if (ae.port[0].cmd_addr && mmio) - iounmap((void __iomem *)ae.port[0].cmd_addr); - - return ret; } /** @@ -261,7 +226,7 @@ static int __devexit pata_platform_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct ata_host *host = dev_get_drvdata(dev); - ata_host_remove(host); + ata_host_detach(host); dev_set_drvdata(dev, NULL); return 0; diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c index afc0d990e7d..1b3b4ed8eb1 100644 --- a/drivers/ata/pata_qdi.c +++ b/drivers/ata/pata_qdi.c @@ -131,22 +131,24 @@ static void qdi_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned if (ata_id_has_dword_io(adev->id)) { if (write_data) - outsl(ap->ioaddr.data_addr, buf, buflen >> 2); + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); else - insl(ap->ioaddr.data_addr, buf, buflen >> 2); + ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { u32 pad; if (write_data) { memcpy(&pad, buf + buflen - slop, slop); - outl(le32_to_cpu(pad), ap->ioaddr.data_addr); + pad = le32_to_cpu(pad); + iowrite32(pad, ap->ioaddr.data_addr); } else { - pad = cpu_to_le32(inl(ap->ioaddr.data_addr)); + pad = ioread32(ap->ioaddr.data_addr); + pad = cpu_to_le32(pad); memcpy(buf + buflen - slop, &pad, slop); } } } else - ata_pio_data_xfer(adev, buf, buflen, write_data); + ata_data_xfer(adev, buf, buflen, write_data); } static struct scsi_host_template qdi_sht = { @@ -189,10 +191,10 @@ static struct ata_port_operations qdi6500_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations qdi6580_port_ops = { @@ -217,10 +219,10 @@ static struct ata_port_operations qdi6580_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -238,10 +240,9 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i { struct ata_probe_ent ae; struct platform_device *pdev; + void __iomem *io_addr, *ctl_addr; int ret; - unsigned long ctrl = io + 0x206; - /* * Fill in a probe structure first of all */ @@ -250,6 +251,12 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i if (IS_ERR(pdev)) return PTR_ERR(pdev); + ret = -ENOMEM; + io_addr = devm_ioport_map(&pdev->dev, io, 8); + ctl_addr = devm_ioport_map(&pdev->dev, io + 0x206, 1); + if (!io_addr || !ctl_addr) + goto fail; + memset(&ae, 0, sizeof(struct ata_probe_ent)); INIT_LIST_HEAD(&ae.node); ae.dev = &pdev->dev; @@ -267,9 +274,9 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i ae.irq = irq; ae.irq_flags = 0; ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; - ae.port[0].cmd_addr = io; - ae.port[0].altstatus_addr = ctrl; - ae.port[0].ctl_addr = ctrl; + ae.port[0].cmd_addr = io_addr; + ae.port[0].altstatus_addr = ctl_addr; + ae.port[0].ctl_addr = ctl_addr; ata_std_ports(&ae.port[0]); /* @@ -282,14 +289,17 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i qdi_data[nr_qdi_host].platform_dev = pdev; printk(KERN_INFO DRV_NAME": qd%d at 0x%lx.\n", type, io); - ret = ata_device_add(&ae); - if (ret == 0) { - platform_device_unregister(pdev); - return -ENODEV; - } + + ret = -ENODEV; + if (!ata_device_add(&ae)) + goto fail; qdi_host[nr_qdi_host++] = dev_get_drvdata(&pdev->dev); return 0; + + fail: + platform_device_unregister(pdev); + return ret; } /** @@ -382,7 +392,7 @@ static __exit void qdi_exit(void) int i; for (i = 0; i < nr_qdi_host; i++) { - ata_host_remove(qdi_host[i]); + ata_host_detach(qdi_host[i]); /* Free the control resource. The 6580 dual channel has the resources * claimed as a pair of 2 byte resources so we need no special cases... */ diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c index 065541d034a..0d1e571ef63 100644 --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -255,14 +255,14 @@ static const struct ata_port_operations radisys_pata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = radisys_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c index cec0729225e..71a2bac09e0 100644 --- a/drivers/ata/pata_rz1000.c +++ b/drivers/ata/pata_rz1000.c @@ -115,7 +115,7 @@ static struct ata_port_operations rz1000_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -124,10 +124,10 @@ static struct ata_port_operations rz1000_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int rz1000_fifo_disable(struct pci_dev *pdev) diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c index a3b35bc5039..58e42fbd14f 100644 --- a/drivers/ata/pata_sc1200.c +++ b/drivers/ata/pata_sc1200.c @@ -220,14 +220,14 @@ static struct ata_port_operations sc1200_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = sc1200_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index f02b6a3b0f1..ad5b43fef3d 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -218,25 +218,18 @@ static unsigned long serverworks_osb4_filter(const struct ata_port *ap, struct a static unsigned long serverworks_csb_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask) { const char *p; - char model_num[40]; - int len, i; + char model_num[ATA_ID_PROD_LEN + 1]; + int i; /* Disk, UDMA */ if (adev->class != ATA_DEV_ATA) return ata_pci_default_filter(ap, adev, mask); /* Actually do need to check */ - ata_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); - /* Precuationary - why not do this in the libata core ?? */ + ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - len = strlen(model_num); - while ((len > 0) && (model_num[len - 1] == ' ')) { - len--; - model_num[len] = 0; - } - - for(i = 0; (p = csb_bad_ata100[i]) != NULL; i++) { - if (!strncmp(p, model_num, len)) + for (i = 0; (p = csb_bad_ata100[i]) != NULL; i++) { + if (!strcmp(p, model_num)) mask &= ~(0x1F << ATA_SHIFT_UDMA); } return ata_pci_default_filter(ap, adev, mask); @@ -355,14 +348,14 @@ static struct ata_port_operations serverworks_osb4_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations serverworks_csb_port_ops = { @@ -390,14 +383,14 @@ static struct ata_port_operations serverworks_csb_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int serverworks_fixup_osb4(struct pci_dev *pdev) @@ -559,7 +552,7 @@ static int serverworks_reinit_one(struct pci_dev *pdev) { /* Force master latency timer to 64 PCI clocks */ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); - + switch (pdev->device) { case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE: diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index e8dfd8fc3ff..ed79fabe025 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -252,14 +252,14 @@ static struct ata_port_operations sil680_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -270,7 +270,7 @@ static struct ata_port_operations sil680_port_ops = { * is powered up on boot and when we resume in case we resumed from RAM. * Returns the final clock settings. */ - + static u8 sil680_init_chip(struct pci_dev *pdev) { u32 class_rev = 0; diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 916cedb3d75..560103d55b2 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -32,7 +32,9 @@ #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/ata.h> +#include "libata.h" +#undef DRV_NAME /* already defined in libata.h, for libata-core */ #define DRV_NAME "pata_sis" #define DRV_VERSION "0.4.5" @@ -43,6 +45,34 @@ struct sis_chipset { up code later */ }; +struct sis_laptop { + u16 device; + u16 subvendor; + u16 subdevice; +}; + +static const struct sis_laptop sis_laptop[] = { + /* devid, subvendor, subdev */ + { 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */ + /* end marker */ + { 0, } +}; + +static int sis_short_ata40(struct pci_dev *dev) +{ + const struct sis_laptop *lap = &sis_laptop[0]; + + while (lap->device) { + if (lap->device == dev->device && + lap->subvendor == dev->subsystem_vendor && + lap->subdevice == dev->subsystem_device) + return 1; + lap++; + } + + return 0; +} + /** * sis_port_base - return PCI configuration base for dev * @adev: device @@ -79,7 +109,7 @@ static int sis_133_pre_reset(struct ata_port *ap) /* The top bit of this register is the cable detect bit */ pci_read_config_word(pdev, 0x50 + 2 * ap->port_no, &tmp); - if (tmp & 0x8000) + if ((tmp & 0x8000) && !sis_short_ata40(pdev)) ap->cbl = ATA_CBL_PATA40; else ap->cbl = ATA_CBL_PATA80; @@ -127,7 +157,7 @@ static int sis_66_pre_reset(struct ata_port *ap) /* Older chips keep cable detect in bits 4/5 of reg 0x48 */ pci_read_config_byte(pdev, 0x48, &tmp); tmp >>= ap->port_no; - if (tmp & 0x10) + if ((tmp & 0x10) && !sis_short_ata40(pdev)) ap->cbl = ATA_CBL_PATA40; else ap->cbl = ATA_CBL_PATA80; @@ -573,14 +603,14 @@ static const struct ata_port_operations sis_133_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static const struct ata_port_operations sis_133_early_ops = { @@ -606,14 +636,14 @@ static const struct ata_port_operations sis_133_early_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static const struct ata_port_operations sis_100_ops = { @@ -640,14 +670,14 @@ static const struct ata_port_operations sis_100_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static const struct ata_port_operations sis_66_ops = { @@ -673,14 +703,14 @@ static const struct ata_port_operations sis_66_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static const struct ata_port_operations sis_old_ops = { @@ -706,14 +736,14 @@ static const struct ata_port_operations sis_old_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static struct ata_port_info sis_info = { @@ -753,7 +783,7 @@ static struct ata_port_info sis_info100_early = { .pio_mask = 0x1f, /* pio0-4 */ .port_ops = &sis_66_ops, }; -static struct ata_port_info sis_info133 = { +struct ata_port_info sis_info133 = { .sht = &sis_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, /* pio0-4 */ @@ -768,6 +798,8 @@ static struct ata_port_info sis_info133_early = { .port_ops = &sis_133_early_ops, }; +/* Privately shared with the SiS180 SATA driver, not for use elsewhere */ +EXPORT_SYMBOL_GPL(sis_info133); static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis) { @@ -847,7 +879,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) struct sis_chipset *chipset = NULL; static struct sis_chipset sis_chipsets[] = { - + { 0x0968, &sis_info133 }, { 0x0966, &sis_info133 }, { 0x0965, &sis_info133 }, diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index e94f515ef54..f2fa158d07c 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -139,13 +139,13 @@ static void sl82c105_set_dmamode(struct ata_port *ap, struct ata_device *adev) { switch(adev->dma_mode) { case XFER_MW_DMA_0: - sl82c105_configure_piomode(ap, adev, 1); + sl82c105_configure_piomode(ap, adev, 0); break; case XFER_MW_DMA_1: sl82c105_configure_piomode(ap, adev, 3); break; case XFER_MW_DMA_2: - sl82c105_configure_piomode(ap, adev, 3); + sl82c105_configure_piomode(ap, adev, 4); break; default: BUG(); @@ -262,14 +262,14 @@ static struct ata_port_operations sl82c105_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index a142971f130..453ab90b721 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -221,14 +221,14 @@ static struct ata_port_operations triflex_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index f0b6c3b7142..220fcd6c549 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -334,14 +334,14 @@ static struct ata_port_operations via_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; static struct ata_port_operations via_port_ops_noirq = { @@ -369,14 +369,14 @@ static struct ata_port_operations via_port_ops_noirq = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer_noirq, + .data_xfer = ata_data_xfer_noirq, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -391,11 +391,11 @@ static struct ata_port_operations via_port_ops_noirq = { static void via_config_fifo(struct pci_dev *pdev, unsigned int flags) { u8 enable; - + /* 0x40 low bits indicate enabled channels */ pci_read_config_byte(pdev, 0x40 , &enable); enable &= 3; - + if (flags & VIA_SET_FIFO) { static const u8 fifo_setting[4] = {0x00, 0x60, 0x00, 0x20}; u8 fifo; @@ -516,7 +516,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Initialise the FIFO for the enabled channels. */ via_config_fifo(pdev, config->flags); - + /* Clock set up */ switch(config->flags & VIA_UDMA) { case VIA_UDMA_NONE: @@ -575,7 +575,7 @@ static int via_reinit_one(struct pci_dev *pdev) u32 timing; struct ata_host *host = dev_get_drvdata(&pdev->dev); const struct via_isa_bridge *config = host->private_data; - + via_config_fifo(pdev, config->flags); if ((config->flags & VIA_UDMA) == VIA_UDMA_66) { @@ -590,7 +590,7 @@ static int via_reinit_one(struct pci_dev *pdev) timing &= ~0x80008; pci_write_config_dword(pdev, 0x50, timing); } - return ata_pci_device_resume(pdev); + return ata_pci_device_resume(pdev); } static const struct pci_device_id via[] = { diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c index 5d1f518e1cc..0888b4f19f4 100644 --- a/drivers/ata/pata_winbond.c +++ b/drivers/ata/pata_winbond.c @@ -5,7 +5,7 @@ * Support for the Winbond 83759A when operating in advanced mode. * Multichip mode is not currently supported. */ - + #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> @@ -69,7 +69,7 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) int timing = 0x88 + (ap->port_no * 4) + (adev->devno * 2); reg = winbond_readcfg(winbond->config, 0x81); - + /* Get the timing data in cycles */ if (reg & 0x40) /* Fast VLB bus, assume 50MHz */ ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000); @@ -80,9 +80,9 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) recovery = (FIT(t.recover, 1, 15) + 1) & 0x0F; timing = (active << 4) | recovery; winbond_writecfg(winbond->config, timing, reg); - + /* Load the setup timing */ - + reg = 0x35; if (adev->class != ATA_DEV_ATA) reg |= 0x08; /* FIFO off */ @@ -100,22 +100,24 @@ static void winbond_data_xfer(struct ata_device *adev, unsigned char *buf, unsig if (ata_id_has_dword_io(adev->id)) { if (write_data) - outsl(ap->ioaddr.data_addr, buf, buflen >> 2); + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); else - insl(ap->ioaddr.data_addr, buf, buflen >> 2); + ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { u32 pad; if (write_data) { memcpy(&pad, buf + buflen - slop, slop); - outl(le32_to_cpu(pad), ap->ioaddr.data_addr); + pad = le32_to_cpu(pad); + iowrite32(pad, ap->ioaddr.data_addr); } else { - pad = cpu_to_le16(inl(ap->ioaddr.data_addr)); + pad = ioread32(ap->ioaddr.data_addr); + pad = cpu_to_le16(pad); memcpy(buf + buflen - slop, &pad, slop); } } } else - ata_pio_data_xfer(adev, buf, buflen, write_data); + ata_data_xfer(adev, buf, buflen, write_data); } static struct scsi_host_template winbond_sht = { @@ -158,10 +160,10 @@ static struct ata_port_operations winbond_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop }; /** @@ -194,13 +196,15 @@ static __init int winbond_init_one(unsigned long port) winbond_writecfg(port, 0x85, reg); reg = winbond_readcfg(port, 0x81); - + if (!(reg & 0x03)) /* Disabled */ return 0; for (i = 0; i < 2 ; i ++) { + unsigned long cmd_port = 0x1F0 - (0x80 * i); + void __iomem *cmd_addr, *ctl_addr; - if (reg & (1 << i)) { + if (reg & (1 << i)) { /* * Fill in a probe structure first of all */ @@ -209,6 +213,13 @@ static __init int winbond_init_one(unsigned long port) if (IS_ERR(pdev)) return PTR_ERR(pdev); + cmd_addr = devm_ioport_map(&pdev->dev, cmd_port, 8); + ctl_addr = devm_ioport_map(&pdev->dev, cmd_port + 0x0206, 1); + if (!cmd_addr || !ctl_addr) { + platform_device_unregister(pdev); + return -ENOMEM; + } + memset(&ae, 0, sizeof(struct ata_probe_ent)); INIT_LIST_HEAD(&ae.node); ae.dev = &pdev->dev; @@ -217,14 +228,14 @@ static __init int winbond_init_one(unsigned long port) ae.pio_mask = 0x1F; ae.sht = &winbond_sht; - + ae.n_ports = 1; ae.irq = 14 + i; ae.irq_flags = 0; ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; - ae.port[0].cmd_addr = 0x1F0 - (0x80 * i); - ae.port[0].altstatus_addr = ae.port[0].cmd_addr + 0x0206; - ae.port[0].ctl_addr = ae.port[0].altstatus_addr; + ae.port[0].cmd_addr = cmd_addr; + ae.port[0].altstatus_addr = ctl_addr; + ae.port[0].ctl_addr = ctl_addr; ata_std_ports(&ae.port[0]); /* * Hook in a private data structure per channel @@ -257,7 +268,7 @@ static __init int winbond_init(void) int ct = 0; int i; - + if (probe_winbond == 0) return -ENODEV; @@ -288,7 +299,7 @@ static __exit void winbond_exit(void) int i; for (i = 0; i < nr_winbond_host; i++) { - ata_host_remove(winbond_host[i]); + ata_host_detach(winbond_host[i]); release_region(winbond_data[i].config, 2); platform_device_unregister(winbond_data[i].platform_dev); } diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index 90786d7a20b..b4ed8ce553e 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -42,7 +42,6 @@ #include <linux/sched.h> #include <linux/device.h> #include <scsi/scsi_host.h> -#include <asm/io.h> #include <linux/libata.h> #define DRV_NAME "pdc_adma" @@ -52,9 +51,15 @@ #define ADMA_ATA_REGS(base,port_no) ((base) + ((port_no) * 0x40)) /* macro to calculate base address for ADMA regs */ -#define ADMA_REGS(base,port_no) ((base) + 0x80 + ((port_no) * 0x20)) +#define ADMA_REGS(base,port_no) ((base) + 0x80 + ((port_no) * 0x20)) + +/* macro to obtain addresses from ata_host */ +#define ADMA_HOST_REGS(host,port_no) \ + ADMA_REGS((host)->iomap[ADMA_MMIO_BAR], port_no) enum { + ADMA_MMIO_BAR = 4, + ADMA_PORTS = 2, ADMA_CPB_BYTES = 40, ADMA_PRD_BYTES = LIBATA_MAX_PRD * 16, @@ -167,9 +172,11 @@ static const struct ata_port_operations adma_ata_ops = { .qc_prep = adma_qc_prep, .qc_issue = adma_qc_issue, .eng_timeout = adma_eng_timeout, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = adma_intr, .irq_clear = adma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = adma_port_start, .port_stop = adma_port_stop, .host_stop = adma_host_stop, @@ -235,11 +242,10 @@ static void adma_reset_engine(void __iomem *chan) static void adma_reinit_engine(struct ata_port *ap) { struct adma_port_priv *pp = ap->private_data; - void __iomem *mmio_base = ap->host->mmio_base; - void __iomem *chan = ADMA_REGS(mmio_base, ap->port_no); + void __iomem *chan = ADMA_HOST_REGS(ap->host, ap->port_no); /* mask/clear ATA interrupts */ - writeb(ATA_NIEN, (void __iomem *)ap->ioaddr.ctl_addr); + writeb(ATA_NIEN, ap->ioaddr.ctl_addr); ata_check_status(ap); /* reset the ADMA engine */ @@ -263,7 +269,7 @@ static void adma_reinit_engine(struct ata_port *ap) static inline void adma_enter_reg_mode(struct ata_port *ap) { - void __iomem *chan = ADMA_REGS(ap->host->mmio_base, ap->port_no); + void __iomem *chan = ADMA_HOST_REGS(ap->host, ap->port_no); writew(aPIOMD4, chan + ADMA_CONTROL); readb(chan + ADMA_STATUS); /* flush */ @@ -410,7 +416,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc) static inline void adma_packet_start(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - void __iomem *chan = ADMA_REGS(ap->host->mmio_base, ap->port_no); + void __iomem *chan = ADMA_HOST_REGS(ap->host, ap->port_no); VPRINTK("ENTER, ap %p\n", ap); @@ -443,13 +449,12 @@ static unsigned int adma_qc_issue(struct ata_queued_cmd *qc) static inline unsigned int adma_intr_pkt(struct ata_host *host) { unsigned int handled = 0, port_no; - u8 __iomem *mmio_base = host->mmio_base; for (port_no = 0; port_no < host->n_ports; ++port_no) { struct ata_port *ap = host->ports[port_no]; struct adma_port_priv *pp; struct ata_queued_cmd *qc; - void __iomem *chan = ADMA_REGS(mmio_base, port_no); + void __iomem *chan = ADMA_HOST_REGS(host, port_no); u8 status = readb(chan + ADMA_STATUS); if (status == 0) @@ -523,7 +528,7 @@ static irqreturn_t adma_intr(int irq, void *dev_instance) return IRQ_RETVAL(handled); } -static void adma_ata_setup_port(struct ata_ioports *port, unsigned long base) +static void adma_ata_setup_port(struct ata_ioports *port, void __iomem *base) { port->cmd_addr = port->data_addr = base + 0x000; @@ -550,48 +555,28 @@ static int adma_port_start(struct ata_port *ap) if (rc) return rc; adma_enter_reg_mode(ap); - rc = -ENOMEM; - pp = kzalloc(sizeof(*pp), GFP_KERNEL); + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) - goto err_out; - pp->pkt = dma_alloc_coherent(dev, ADMA_PKT_BYTES, &pp->pkt_dma, - GFP_KERNEL); + return -ENOMEM; + pp->pkt = dmam_alloc_coherent(dev, ADMA_PKT_BYTES, &pp->pkt_dma, + GFP_KERNEL); if (!pp->pkt) - goto err_out_kfree; + return -ENOMEM; /* paranoia? */ if ((pp->pkt_dma & 7) != 0) { printk("bad alignment for pp->pkt_dma: %08x\n", (u32)pp->pkt_dma); - dma_free_coherent(dev, ADMA_PKT_BYTES, - pp->pkt, pp->pkt_dma); - goto err_out_kfree; + return -ENOMEM; } memset(pp->pkt, 0, ADMA_PKT_BYTES); ap->private_data = pp; adma_reinit_engine(ap); return 0; - -err_out_kfree: - kfree(pp); -err_out: - ata_port_stop(ap); - return rc; } static void adma_port_stop(struct ata_port *ap) { - struct device *dev = ap->host->dev; - struct adma_port_priv *pp = ap->private_data; - - adma_reset_engine(ADMA_REGS(ap->host->mmio_base, ap->port_no)); - if (pp != NULL) { - ap->private_data = NULL; - if (pp->pkt != NULL) - dma_free_coherent(dev, ADMA_PKT_BYTES, - pp->pkt, pp->pkt_dma); - kfree(pp); - } - ata_port_stop(ap); + adma_reset_engine(ADMA_HOST_REGS(ap->host, ap->port_no)); } static void adma_host_stop(struct ata_host *host) @@ -599,16 +584,14 @@ static void adma_host_stop(struct ata_host *host) unsigned int port_no; for (port_no = 0; port_no < ADMA_PORTS; ++port_no) - adma_reset_engine(ADMA_REGS(host->mmio_base, port_no)); - - ata_pci_host_stop(host); + adma_reset_engine(ADMA_HOST_REGS(host, port_no)); } static void adma_host_init(unsigned int chip_id, struct ata_probe_ent *probe_ent) { unsigned int port_no; - void __iomem *mmio_base = probe_ent->mmio_base; + void __iomem *mmio_base = probe_ent->iomap[ADMA_MMIO_BAR]; /* enable/lock aGO operation */ writeb(7, mmio_base + ADMA_MODE_LOCK); @@ -638,7 +621,7 @@ static int adma_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base) } static int adma_ata_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) + const struct pci_device_id *ent) { static int printed_version; struct ata_probe_ent *probe_ent = NULL; @@ -649,34 +632,25 @@ static int adma_ata_init_one(struct pci_dev *pdev, if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) - goto err_out; - - if ((pci_resource_flags(pdev, 4) & IORESOURCE_MEM) == 0) { - rc = -ENODEV; - goto err_out_regions; - } + if ((pci_resource_flags(pdev, 4) & IORESOURCE_MEM) == 0) + return -ENODEV; - mmio_base = pci_iomap(pdev, 4, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + rc = pcim_iomap_regions(pdev, 1 << ADMA_MMIO_BAR, DRV_NAME); + if (rc) + return rc; + mmio_base = pcim_iomap_table(pdev)[ADMA_MMIO_BAR]; rc = adma_set_dma_masks(pdev, mmio_base); if (rc) - goto err_out_iounmap; + return rc; - probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_iounmap; - } + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); @@ -690,12 +664,12 @@ static int adma_ata_init_one(struct pci_dev *pdev, probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; probe_ent->n_ports = ADMA_PORTS; + probe_ent->iomap = pcim_iomap_table(pdev); for (port_no = 0; port_no < probe_ent->n_ports; ++port_no) { adma_ata_setup_port(&probe_ent->port[port_no], - ADMA_ATA_REGS((unsigned long)mmio_base, port_no)); + ADMA_ATA_REGS(mmio_base, port_no)); } pci_set_master(pdev); @@ -703,19 +677,11 @@ static int adma_ata_init_one(struct pci_dev *pdev, /* initialize adapter */ adma_host_init(board_idx, probe_ent); - rc = ata_device_add(probe_ent); - kfree(probe_ent); - if (rc != ADMA_PORTS) - goto err_out_iounmap; - return 0; + if (!ata_device_add(probe_ent)) + return -ENODEV; -err_out_iounmap: - pci_iounmap(pdev, mmio_base); -err_out_regions: - pci_release_regions(pdev); -err_out: - pci_disable_device(pdev); - return rc; + devm_kfree(&pdev->dev, probe_ent); + return 0; } static int __init adma_ata_init(void) diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c new file mode 100644 index 00000000000..c5335f42280 --- /dev/null +++ b/drivers/ata/sata_inic162x.c @@ -0,0 +1,781 @@ +/* + * sata_inic162x.c - Driver for Initio 162x SATA controllers + * + * Copyright 2006 SUSE Linux Products GmbH + * Copyright 2006 Tejun Heo <teheo@novell.com> + * + * This file is released under GPL v2. + * + * This controller is eccentric and easily locks up if something isn't + * right. Documentation is available at initio's website but it only + * documents registers (not programming model). + * + * - ATA disks work. + * - Hotplug works. + * - ATAPI read works but burning doesn't. This thing is really + * peculiar about ATAPI and I couldn't figure out how ATAPI PIO and + * ATAPI DMA WRITE should be programmed. If you've got a clue, be + * my guest. + * - Both STR and STD work. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <scsi/scsi_host.h> +#include <linux/libata.h> +#include <linux/blkdev.h> +#include <scsi/scsi_device.h> + +#define DRV_NAME "sata_inic162x" +#define DRV_VERSION "0.1" + +enum { + MMIO_BAR = 5, + + NR_PORTS = 2, + + HOST_CTL = 0x7c, + HOST_STAT = 0x7e, + HOST_IRQ_STAT = 0xbc, + HOST_IRQ_MASK = 0xbe, + + PORT_SIZE = 0x40, + + /* registers for ATA TF operation */ + PORT_TF = 0x00, + PORT_ALT_STAT = 0x08, + PORT_IRQ_STAT = 0x09, + PORT_IRQ_MASK = 0x0a, + PORT_PRD_CTL = 0x0b, + PORT_PRD_ADDR = 0x0c, + PORT_PRD_XFERLEN = 0x10, + + /* IDMA register */ + PORT_IDMA_CTL = 0x14, + + PORT_SCR = 0x20, + + /* HOST_CTL bits */ + HCTL_IRQOFF = (1 << 8), /* global IRQ off */ + HCTL_PWRDWN = (1 << 13), /* power down PHYs */ + HCTL_SOFTRST = (1 << 13), /* global reset (no phy reset) */ + HCTL_RPGSEL = (1 << 15), /* register page select */ + + HCTL_KNOWN_BITS = HCTL_IRQOFF | HCTL_PWRDWN | HCTL_SOFTRST | + HCTL_RPGSEL, + + /* HOST_IRQ_(STAT|MASK) bits */ + HIRQ_PORT0 = (1 << 0), + HIRQ_PORT1 = (1 << 1), + HIRQ_SOFT = (1 << 14), + HIRQ_GLOBAL = (1 << 15), /* STAT only */ + + /* PORT_IRQ_(STAT|MASK) bits */ + PIRQ_OFFLINE = (1 << 0), /* device unplugged */ + PIRQ_ONLINE = (1 << 1), /* device plugged */ + PIRQ_COMPLETE = (1 << 2), /* completion interrupt */ + PIRQ_FATAL = (1 << 3), /* fatal error */ + PIRQ_ATA = (1 << 4), /* ATA interrupt */ + PIRQ_REPLY = (1 << 5), /* reply FIFO not empty */ + PIRQ_PENDING = (1 << 7), /* port IRQ pending (STAT only) */ + + PIRQ_ERR = PIRQ_OFFLINE | PIRQ_ONLINE | PIRQ_FATAL, + + PIRQ_MASK_DMA_READ = PIRQ_REPLY | PIRQ_ATA, + PIRQ_MASK_OTHER = PIRQ_REPLY | PIRQ_COMPLETE, + PIRQ_MASK_FREEZE = 0xff, + + /* PORT_PRD_CTL bits */ + PRD_CTL_START = (1 << 0), + PRD_CTL_WR = (1 << 3), + PRD_CTL_DMAEN = (1 << 7), /* DMA enable */ + + /* PORT_IDMA_CTL bits */ + IDMA_CTL_RST_ATA = (1 << 2), /* hardreset ATA bus */ + IDMA_CTL_RST_IDMA = (1 << 5), /* reset IDMA machinary */ + IDMA_CTL_GO = (1 << 7), /* IDMA mode go */ + IDMA_CTL_ATA_NIEN = (1 << 8), /* ATA IRQ disable */ +}; + +struct inic_host_priv { + u16 cached_hctl; +}; + +struct inic_port_priv { + u8 dfl_prdctl; + u8 cached_prdctl; + u8 cached_pirq_mask; +}; + +static int inic_slave_config(struct scsi_device *sdev) +{ + /* This controller is braindamaged. dma_boundary is 0xffff + * like others but it will lock up the whole machine HARD if + * 65536 byte PRD entry is fed. Reduce maximum segment size. + */ + blk_queue_max_segment_size(sdev->request_queue, 65536 - 512); + + return ata_scsi_slave_config(sdev); +} + +static struct scsi_host_template inic_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = inic_slave_config, + .slave_destroy = ata_scsi_slave_destroy, + .bios_param = ata_std_bios_param, + .suspend = ata_scsi_device_suspend, + .resume = ata_scsi_device_resume, +}; + +static const int scr_map[] = { + [SCR_STATUS] = 0, + [SCR_ERROR] = 1, + [SCR_CONTROL] = 2, +}; + +static void __iomem * inic_port_base(struct ata_port *ap) +{ + return ap->host->iomap[MMIO_BAR] + ap->port_no * PORT_SIZE; +} + +static void __inic_set_pirq_mask(struct ata_port *ap, u8 mask) +{ + void __iomem *port_base = inic_port_base(ap); + struct inic_port_priv *pp = ap->private_data; + + writeb(mask, port_base + PORT_IRQ_MASK); + pp->cached_pirq_mask = mask; +} + +static void inic_set_pirq_mask(struct ata_port *ap, u8 mask) +{ + struct inic_port_priv *pp = ap->private_data; + + if (pp->cached_pirq_mask != mask) + __inic_set_pirq_mask(ap, mask); +} + +static void inic_reset_port(void __iomem *port_base) +{ + void __iomem *idma_ctl = port_base + PORT_IDMA_CTL; + u16 ctl; + + ctl = readw(idma_ctl); + ctl &= ~(IDMA_CTL_RST_IDMA | IDMA_CTL_ATA_NIEN | IDMA_CTL_GO); + + /* mask IRQ and assert reset */ + writew(ctl | IDMA_CTL_RST_IDMA | IDMA_CTL_ATA_NIEN, idma_ctl); + readw(idma_ctl); /* flush */ + + /* give it some time */ + msleep(1); + + /* release reset */ + writew(ctl | IDMA_CTL_ATA_NIEN, idma_ctl); + + /* clear irq */ + writeb(0xff, port_base + PORT_IRQ_STAT); + + /* reenable ATA IRQ, turn off IDMA mode */ + writew(ctl, idma_ctl); +} + +static u32 inic_scr_read(struct ata_port *ap, unsigned sc_reg) +{ + void __iomem *scr_addr = (void __iomem *)ap->ioaddr.scr_addr; + void __iomem *addr; + u32 val; + + if (unlikely(sc_reg >= ARRAY_SIZE(scr_map))) + return 0xffffffffU; + + addr = scr_addr + scr_map[sc_reg] * 4; + val = readl(scr_addr + scr_map[sc_reg] * 4); + + /* this controller has stuck DIAG.N, ignore it */ + if (sc_reg == SCR_ERROR) + val &= ~SERR_PHYRDY_CHG; + return val; +} + +static void inic_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val) +{ + void __iomem *scr_addr = (void __iomem *)ap->ioaddr.scr_addr; + void __iomem *addr; + + if (unlikely(sc_reg >= ARRAY_SIZE(scr_map))) + return; + + addr = scr_addr + scr_map[sc_reg] * 4; + writel(val, scr_addr + scr_map[sc_reg] * 4); +} + +/* + * In TF mode, inic162x is very similar to SFF device. TF registers + * function the same. DMA engine behaves similary using the same PRD + * format as BMDMA but different command register, interrupt and event + * notification methods are used. The following inic_bmdma_*() + * functions do the impedance matching. + */ +static void inic_bmdma_setup(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct inic_port_priv *pp = ap->private_data; + void __iomem *port_base = inic_port_base(ap); + int rw = qc->tf.flags & ATA_TFLAG_WRITE; + + /* make sure device sees PRD table writes */ + wmb(); + + /* load transfer length */ + writel(qc->nbytes, port_base + PORT_PRD_XFERLEN); + + /* turn on DMA and specify data direction */ + pp->cached_prdctl = pp->dfl_prdctl | PRD_CTL_DMAEN; + if (!rw) + pp->cached_prdctl |= PRD_CTL_WR; + writeb(pp->cached_prdctl, port_base + PORT_PRD_CTL); + + /* issue r/w command */ + ap->ops->exec_command(ap, &qc->tf); +} + +static void inic_bmdma_start(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct inic_port_priv *pp = ap->private_data; + void __iomem *port_base = inic_port_base(ap); + + /* start host DMA transaction */ + pp->cached_prdctl |= PRD_CTL_START; + writeb(pp->cached_prdctl, port_base + PORT_PRD_CTL); +} + +static void inic_bmdma_stop(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct inic_port_priv *pp = ap->private_data; + void __iomem *port_base = inic_port_base(ap); + + /* stop DMA engine */ + writeb(pp->dfl_prdctl, port_base + PORT_PRD_CTL); +} + +static u8 inic_bmdma_status(struct ata_port *ap) +{ + /* event is already verified by the interrupt handler */ + return ATA_DMA_INTR; +} + +static void inic_irq_clear(struct ata_port *ap) +{ + /* noop */ +} + +static void inic_host_intr(struct ata_port *ap) +{ + void __iomem *port_base = inic_port_base(ap); + struct ata_eh_info *ehi = &ap->eh_info; + u8 irq_stat; + + /* fetch and clear irq */ + irq_stat = readb(port_base + PORT_IRQ_STAT); + writeb(irq_stat, port_base + PORT_IRQ_STAT); + + if (likely(!(irq_stat & PIRQ_ERR))) { + struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); + + if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) { + ata_chk_status(ap); /* clear ATA interrupt */ + return; + } + + if (likely(ata_host_intr(ap, qc))) + return; + + ata_chk_status(ap); /* clear ATA interrupt */ + ata_port_printk(ap, KERN_WARNING, "unhandled " + "interrupt, irq_stat=%x\n", irq_stat); + return; + } + + /* error */ + ata_ehi_push_desc(ehi, "irq_stat=0x%x", irq_stat); + + if (irq_stat & (PIRQ_OFFLINE | PIRQ_ONLINE)) { + ata_ehi_hotplugged(ehi); + ata_port_freeze(ap); + } else + ata_port_abort(ap); +} + +static irqreturn_t inic_interrupt(int irq, void *dev_instance) +{ + struct ata_host *host = dev_instance; + void __iomem *mmio_base = host->iomap[MMIO_BAR]; + u16 host_irq_stat; + int i, handled = 0;; + + host_irq_stat = readw(mmio_base + HOST_IRQ_STAT); + + if (unlikely(!(host_irq_stat & HIRQ_GLOBAL))) + goto out; + + spin_lock(&host->lock); + + for (i = 0; i < NR_PORTS; i++) { + struct ata_port *ap = host->ports[i]; + + if (!(host_irq_stat & (HIRQ_PORT0 << i))) + continue; + + if (likely(ap && !(ap->flags & ATA_FLAG_DISABLED))) { + inic_host_intr(ap); + handled++; + } else { + if (ata_ratelimit()) + dev_printk(KERN_ERR, host->dev, "interrupt " + "from disabled port %d (0x%x)\n", + i, host_irq_stat); + } + } + + spin_unlock(&host->lock); + + out: + return IRQ_RETVAL(handled); +} + +static unsigned int inic_qc_issue(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + + /* ATA IRQ doesn't wait for DMA transfer completion and vice + * versa. Mask IRQ selectively to detect command completion. + * Without it, ATA DMA read command can cause data corruption. + * + * Something similar might be needed for ATAPI writes. I + * tried a lot of combinations but couldn't find the solution. + */ + if (qc->tf.protocol == ATA_PROT_DMA && + !(qc->tf.flags & ATA_TFLAG_WRITE)) + inic_set_pirq_mask(ap, PIRQ_MASK_DMA_READ); + else + inic_set_pirq_mask(ap, PIRQ_MASK_OTHER); + + /* Issuing a command to yet uninitialized port locks up the + * controller. Most of the time, this happens for the first + * command after reset which are ATA and ATAPI IDENTIFYs. + * Fast fail if stat is 0x7f or 0xff for those commands. + */ + if (unlikely(qc->tf.command == ATA_CMD_ID_ATA || + qc->tf.command == ATA_CMD_ID_ATAPI)) { + u8 stat = ata_chk_status(ap); + if (stat == 0x7f || stat == 0xff) + return AC_ERR_HSM; + } + + return ata_qc_issue_prot(qc); +} + +static void inic_freeze(struct ata_port *ap) +{ + void __iomem *port_base = inic_port_base(ap); + + __inic_set_pirq_mask(ap, PIRQ_MASK_FREEZE); + + ata_chk_status(ap); + writeb(0xff, port_base + PORT_IRQ_STAT); + + readb(port_base + PORT_IRQ_STAT); /* flush */ +} + +static void inic_thaw(struct ata_port *ap) +{ + void __iomem *port_base = inic_port_base(ap); + + ata_chk_status(ap); + writeb(0xff, port_base + PORT_IRQ_STAT); + + __inic_set_pirq_mask(ap, PIRQ_MASK_OTHER); + + readb(port_base + PORT_IRQ_STAT); /* flush */ +} + +/* + * SRST and SControl hardreset don't give valid signature on this + * controller. Only controller specific hardreset mechanism works. + */ +static int inic_hardreset(struct ata_port *ap, unsigned int *class) +{ + void __iomem *port_base = inic_port_base(ap); + void __iomem *idma_ctl = port_base + PORT_IDMA_CTL; + const unsigned long *timing = sata_ehc_deb_timing(&ap->eh_context); + u16 val; + int rc; + + /* hammer it into sane state */ + inic_reset_port(port_base); + + val = readw(idma_ctl); + writew(val | IDMA_CTL_RST_ATA, idma_ctl); + readw(idma_ctl); /* flush */ + msleep(1); + writew(val & ~IDMA_CTL_RST_ATA, idma_ctl); + + rc = sata_phy_resume(ap, timing); + if (rc) { + ata_port_printk(ap, KERN_WARNING, "failed to resume " + "link after reset (errno=%d)\n", rc); + return rc; + } + + *class = ATA_DEV_NONE; + if (ata_port_online(ap)) { + struct ata_taskfile tf; + + /* wait a while before checking status */ + msleep(150); + + if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) { + ata_port_printk(ap, KERN_WARNING, + "device busy after hardreset\n"); + return -EIO; + } + + ata_tf_read(ap, &tf); + *class = ata_dev_classify(&tf); + if (*class == ATA_DEV_UNKNOWN) + *class = ATA_DEV_NONE; + } + + return 0; +} + +static void inic_error_handler(struct ata_port *ap) +{ + void __iomem *port_base = inic_port_base(ap); + struct inic_port_priv *pp = ap->private_data; + unsigned long flags; + + /* reset PIO HSM and stop DMA engine */ + inic_reset_port(port_base); + + spin_lock_irqsave(ap->lock, flags); + ap->hsm_task_state = HSM_ST_IDLE; + writeb(pp->dfl_prdctl, port_base + PORT_PRD_CTL); + spin_unlock_irqrestore(ap->lock, flags); + + /* PIO and DMA engines have been stopped, perform recovery */ + ata_do_eh(ap, ata_std_prereset, NULL, inic_hardreset, + ata_std_postreset); +} + +static void inic_post_internal_cmd(struct ata_queued_cmd *qc) +{ + /* make DMA engine forget about the failed command */ + if (qc->err_mask) + inic_reset_port(inic_port_base(qc->ap)); +} + +static void inic_dev_config(struct ata_port *ap, struct ata_device *dev) +{ + /* inic can only handle upto LBA28 max sectors */ + if (dev->max_sectors > ATA_MAX_SECTORS) + dev->max_sectors = ATA_MAX_SECTORS; +} + +static void init_port(struct ata_port *ap) +{ + void __iomem *port_base = inic_port_base(ap); + + /* Setup PRD address */ + writel(ap->prd_dma, port_base + PORT_PRD_ADDR); +} + +static int inic_port_resume(struct ata_port *ap) +{ + init_port(ap); + return 0; +} + +static int inic_port_start(struct ata_port *ap) +{ + void __iomem *port_base = inic_port_base(ap); + struct inic_port_priv *pp; + u8 tmp; + int rc; + + /* alloc and initialize private data */ + pp = devm_kzalloc(ap->host->dev, sizeof(*pp), GFP_KERNEL); + if (!pp) + return -ENOMEM; + ap->private_data = pp; + + /* default PRD_CTL value, DMAEN, WR and START off */ + tmp = readb(port_base + PORT_PRD_CTL); + tmp &= ~(PRD_CTL_DMAEN | PRD_CTL_WR | PRD_CTL_START); + pp->dfl_prdctl = tmp; + + /* Alloc resources */ + rc = ata_port_start(ap); + if (rc) { + kfree(pp); + return rc; + } + + init_port(ap); + + return 0; +} + +static struct ata_port_operations inic_port_ops = { + .port_disable = ata_port_disable, + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .scr_read = inic_scr_read, + .scr_write = inic_scr_write, + + .bmdma_setup = inic_bmdma_setup, + .bmdma_start = inic_bmdma_start, + .bmdma_stop = inic_bmdma_stop, + .bmdma_status = inic_bmdma_status, + + .irq_handler = inic_interrupt, + .irq_clear = inic_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, + + .qc_prep = ata_qc_prep, + .qc_issue = inic_qc_issue, + .data_xfer = ata_data_xfer, + + .freeze = inic_freeze, + .thaw = inic_thaw, + .error_handler = inic_error_handler, + .post_internal_cmd = inic_post_internal_cmd, + .dev_config = inic_dev_config, + + .port_resume = inic_port_resume, + + .port_start = inic_port_start, +}; + +static struct ata_port_info inic_port_info = { + .sht = &inic_sht, + /* For some reason, ATA_PROT_ATAPI is broken on this + * controller, and no, PIO_POLLING does't fix it. It somehow + * manages to report the wrong ireason and ignoring ireason + * results in machine lock up. Tell libata to always prefer + * DMA. + */ + .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x07, /* mwdma0-2 */ + .udma_mask = 0x7f, /* udma0-6 */ + .port_ops = &inic_port_ops +}; + +static int init_controller(void __iomem *mmio_base, u16 hctl) +{ + int i; + u16 val; + + hctl &= ~HCTL_KNOWN_BITS; + + /* Soft reset whole controller. Spec says reset duration is 3 + * PCI clocks, be generous and give it 10ms. + */ + writew(hctl | HCTL_SOFTRST, mmio_base + HOST_CTL); + readw(mmio_base + HOST_CTL); /* flush */ + + for (i = 0; i < 10; i++) { + msleep(1); + val = readw(mmio_base + HOST_CTL); + if (!(val & HCTL_SOFTRST)) + break; + } + + if (val & HCTL_SOFTRST) + return -EIO; + + /* mask all interrupts and reset ports */ + for (i = 0; i < NR_PORTS; i++) { + void __iomem *port_base = mmio_base + i * PORT_SIZE; + + writeb(0xff, port_base + PORT_IRQ_MASK); + inic_reset_port(port_base); + } + + /* port IRQ is masked now, unmask global IRQ */ + writew(hctl & ~HCTL_IRQOFF, mmio_base + HOST_CTL); + val = readw(mmio_base + HOST_IRQ_MASK); + val &= ~(HIRQ_PORT0 | HIRQ_PORT1); + writew(val, mmio_base + HOST_IRQ_MASK); + + return 0; +} + +static int inic_pci_device_resume(struct pci_dev *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + struct inic_host_priv *hpriv = host->private_data; + void __iomem *mmio_base = host->iomap[MMIO_BAR]; + int rc; + + ata_pci_device_do_resume(pdev); + + if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { + printk("XXX\n"); + rc = init_controller(mmio_base, hpriv->cached_hctl); + if (rc) + return rc; + } + + ata_host_resume(host); + + return 0; +} + +static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + static int printed_version; + struct ata_port_info *pinfo = &inic_port_info; + struct ata_probe_ent *probe_ent; + struct inic_host_priv *hpriv; + void __iomem * const *iomap; + int i, rc; + + if (!printed_version++) + dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); + + rc = pcim_enable_device(pdev); + if (rc) + return rc; + + rc = pci_request_regions(pdev, DRV_NAME); + if (rc) + return rc; + + rc = pcim_iomap_regions(pdev, 0x3f, DRV_NAME); + if (rc) + return rc; + iomap = pcim_iomap_table(pdev); + + /* Set dma_mask. This devices doesn't support 64bit addressing. */ + rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "32-bit DMA enable failed\n"); + return rc; + } + + rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "32-bit consistent DMA enable failed\n"); + return rc; + } + + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); + if (!probe_ent || !hpriv) + return -ENOMEM; + + probe_ent->dev = &pdev->dev; + INIT_LIST_HEAD(&probe_ent->node); + + probe_ent->sht = pinfo->sht; + probe_ent->port_flags = pinfo->flags; + probe_ent->pio_mask = pinfo->pio_mask; + probe_ent->mwdma_mask = pinfo->mwdma_mask; + probe_ent->udma_mask = pinfo->udma_mask; + probe_ent->port_ops = pinfo->port_ops; + probe_ent->n_ports = NR_PORTS; + + probe_ent->irq = pdev->irq; + probe_ent->irq_flags = SA_SHIRQ; + + probe_ent->iomap = iomap; + + for (i = 0; i < NR_PORTS; i++) { + struct ata_ioports *port = &probe_ent->port[i]; + void __iomem *port_base = iomap[MMIO_BAR] + i * PORT_SIZE; + + port->cmd_addr = iomap[2 * i]; + port->altstatus_addr = + port->ctl_addr = (void __iomem *) + ((unsigned long)iomap[2 * i + 1] | ATA_PCI_CTL_OFS); + port->scr_addr = port_base + PORT_SCR; + + ata_std_ports(port); + } + + probe_ent->private_data = hpriv; + hpriv->cached_hctl = readw(iomap[MMIO_BAR] + HOST_CTL); + + rc = init_controller(iomap[MMIO_BAR], hpriv->cached_hctl); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "failed to initialize controller\n"); + return rc; + } + + pci_set_master(pdev); + + if (!ata_device_add(probe_ent)) + return -ENODEV; + + devm_kfree(&pdev->dev, probe_ent); + + return 0; +} + +static const struct pci_device_id inic_pci_tbl[] = { + { PCI_VDEVICE(INIT, 0x1622), }, + { }, +}; + +static struct pci_driver inic_pci_driver = { + .name = DRV_NAME, + .id_table = inic_pci_tbl, + .suspend = ata_pci_device_suspend, + .resume = inic_pci_device_resume, + .probe = inic_init_one, + .remove = ata_pci_remove_one, +}; + +static int __init inic_init(void) +{ + return pci_register_driver(&inic_pci_driver); +} + +static void __exit inic_exit(void) +{ + pci_unregister_driver(&inic_pci_driver); +} + +MODULE_AUTHOR("Tejun Heo"); +MODULE_DESCRIPTION("low-level driver for Initio 162x SATA"); +MODULE_LICENSE("GPL v2"); +MODULE_DEVICE_TABLE(pci, inic_pci_tbl); +MODULE_VERSION(DRV_VERSION); + +module_init(inic_init); +module_exit(inic_exit); diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index aae0b5201c1..769eca52442 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -34,7 +34,6 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> -#include <asm/io.h> #define DRV_NAME "sata_mv" #define DRV_VERSION "0.7" @@ -342,7 +341,6 @@ static u32 mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in); static void mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val); static void mv_phy_reset(struct ata_port *ap); static void __mv_phy_reset(struct ata_port *ap, int can_sleep); -static void mv_host_stop(struct ata_host *host); static int mv_port_start(struct ata_port *ap); static void mv_port_stop(struct ata_port *ap); static void mv_qc_prep(struct ata_queued_cmd *qc); @@ -406,19 +404,20 @@ static const struct ata_port_operations mv5_ops = { .qc_prep = mv_qc_prep, .qc_issue = mv_qc_issue, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .eng_timeout = mv_eng_timeout, .irq_handler = mv_interrupt, .irq_clear = mv_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = mv5_scr_read, .scr_write = mv5_scr_write, .port_start = mv_port_start, .port_stop = mv_port_stop, - .host_stop = mv_host_stop, }; static const struct ata_port_operations mv6_ops = { @@ -434,19 +433,20 @@ static const struct ata_port_operations mv6_ops = { .qc_prep = mv_qc_prep, .qc_issue = mv_qc_issue, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .eng_timeout = mv_eng_timeout, .irq_handler = mv_interrupt, .irq_clear = mv_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = mv_scr_read, .scr_write = mv_scr_write, .port_start = mv_port_start, .port_stop = mv_port_stop, - .host_stop = mv_host_stop, }; static const struct ata_port_operations mv_iie_ops = { @@ -462,19 +462,20 @@ static const struct ata_port_operations mv_iie_ops = { .qc_prep = mv_qc_prep_iie, .qc_issue = mv_qc_issue, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .eng_timeout = mv_eng_timeout, .irq_handler = mv_interrupt, .irq_clear = mv_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = mv_scr_read, .scr_write = mv_scr_write, .port_start = mv_port_start, .port_stop = mv_port_stop, - .host_stop = mv_host_stop, }; static const struct ata_port_info mv_port_info[] = { @@ -620,7 +621,7 @@ static inline void __iomem *mv_port_base(void __iomem *base, unsigned int port) static inline void __iomem *mv_ap_base(struct ata_port *ap) { - return mv_port_base(ap->host->mmio_base, ap->port_no); + return mv_port_base(ap->host->iomap[MV_PRIMARY_BAR], ap->port_no); } static inline int mv_get_hc_count(unsigned long port_flags) @@ -809,35 +810,6 @@ static void mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val) } } -/** - * mv_host_stop - Host specific cleanup/stop routine. - * @host: host data structure - * - * Disable ints, cleanup host memory, call general purpose - * host_stop. - * - * LOCKING: - * Inherited from caller. - */ -static void mv_host_stop(struct ata_host *host) -{ - struct mv_host_priv *hpriv = host->private_data; - struct pci_dev *pdev = to_pci_dev(host->dev); - - if (hpriv->hp_flags & MV_HP_FLAG_MSI) { - pci_disable_msi(pdev); - } else { - pci_intx(pdev, 0); - } - kfree(hpriv); - ata_host_stop(host); -} - -static inline void mv_priv_free(struct mv_port_priv *pp, struct device *dev) -{ - dma_free_coherent(dev, MV_PORT_PRIV_DMA_SZ, pp->crpb, pp->crpb_dma); -} - static void mv_edma_cfg(struct mv_host_priv *hpriv, void __iomem *port_mmio) { u32 cfg = readl(port_mmio + EDMA_CFG_OFS); @@ -883,22 +855,21 @@ static int mv_port_start(struct ata_port *ap) void __iomem *port_mmio = mv_ap_base(ap); void *mem; dma_addr_t mem_dma; - int rc = -ENOMEM; + int rc; - pp = kmalloc(sizeof(*pp), GFP_KERNEL); + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) - goto err_out; - memset(pp, 0, sizeof(*pp)); + return -ENOMEM; - mem = dma_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma, - GFP_KERNEL); + mem = dmam_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma, + GFP_KERNEL); if (!mem) - goto err_out_pp; + return -ENOMEM; memset(mem, 0, MV_PORT_PRIV_DMA_SZ); rc = ata_pad_alloc(ap, dev); if (rc) - goto err_out_priv; + return rc; /* First item in chunk of DMA memory: * 32-slot command request table (CRQB), 32 bytes each in size @@ -951,13 +922,6 @@ static int mv_port_start(struct ata_port *ap) */ ap->private_data = pp; return 0; - -err_out_priv: - mv_priv_free(pp, dev); -err_out_pp: - kfree(pp); -err_out: - return rc; } /** @@ -971,18 +935,11 @@ err_out: */ static void mv_port_stop(struct ata_port *ap) { - struct device *dev = ap->host->dev; - struct mv_port_priv *pp = ap->private_data; unsigned long flags; spin_lock_irqsave(&ap->host->lock, flags); mv_stop_dma(ap); spin_unlock_irqrestore(&ap->host->lock, flags); - - ap->private_data = NULL; - ata_pad_free(ap, dev); - mv_priv_free(pp, dev); - kfree(pp); } /** @@ -1348,7 +1305,7 @@ static void mv_err_intr(struct ata_port *ap, int reset_allowed) */ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc) { - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[MV_PRIMARY_BAR]; void __iomem *hc_mmio = mv_hc_base(mmio, hc); struct ata_queued_cmd *qc; u32 hc_irq_cause; @@ -1391,8 +1348,7 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc) } else { /* PIO: check for device (drive) interrupt */ if ((DEV_IRQ << hard_port) & hc_irq_cause) { - ata_status = readb((void __iomem *) - ap->ioaddr.status_addr); + ata_status = readb(ap->ioaddr.status_addr); handled = 1; /* ignore spurious intr if drive still BUSY */ if (ata_status & ATA_BUSY) { @@ -1452,7 +1408,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; unsigned int hc, handled = 0, n_hcs; - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[MV_PRIMARY_BAR]; struct mv_host_priv *hpriv; u32 irq_stat; @@ -1528,22 +1484,24 @@ static unsigned int mv5_scr_offset(unsigned int sc_reg_in) static u32 mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in) { - void __iomem *mmio = mv5_phy_base(ap->host->mmio_base, ap->port_no); + void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + void __iomem *addr = mv5_phy_base(mmio, ap->port_no); unsigned int ofs = mv5_scr_offset(sc_reg_in); if (ofs != 0xffffffffU) - return readl(mmio + ofs); + return readl(addr + ofs); else return (u32) ofs; } static void mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val) { - void __iomem *mmio = mv5_phy_base(ap->host->mmio_base, ap->port_no); + void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + void __iomem *addr = mv5_phy_base(mmio, ap->port_no); unsigned int ofs = mv5_scr_offset(sc_reg_in); if (ofs != 0xffffffffU) - writelfl(val, mmio + ofs); + writelfl(val, addr + ofs); } static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio) @@ -1905,7 +1863,7 @@ static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio, static void mv_stop_and_reset(struct ata_port *ap) { struct mv_host_priv *hpriv = ap->host->private_data; - void __iomem *mmio = ap->host->mmio_base; + void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; mv_stop_dma(ap); @@ -2003,10 +1961,10 @@ comreset_retry: break; } - tf.lbah = readb((void __iomem *) ap->ioaddr.lbah_addr); - tf.lbam = readb((void __iomem *) ap->ioaddr.lbam_addr); - tf.lbal = readb((void __iomem *) ap->ioaddr.lbal_addr); - tf.nsect = readb((void __iomem *) ap->ioaddr.nsect_addr); + tf.lbah = readb(ap->ioaddr.lbah_addr); + tf.lbam = readb(ap->ioaddr.lbam_addr); + tf.lbal = readb(ap->ioaddr.lbal_addr); + tf.nsect = readb(ap->ioaddr.nsect_addr); dev->class = ata_dev_classify(&tf); if (!ata_dev_enabled(dev)) { @@ -2038,17 +1996,17 @@ static void mv_phy_reset(struct ata_port *ap) */ static void mv_eng_timeout(struct ata_port *ap) { + void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; struct ata_queued_cmd *qc; unsigned long flags; ata_port_printk(ap, KERN_ERR, "Entering mv_eng_timeout\n"); DPRINTK("All regs @ start of eng_timeout\n"); - mv_dump_all_regs(ap->host->mmio_base, ap->port_no, - to_pci_dev(ap->host->dev)); + mv_dump_all_regs(mmio, ap->port_no, to_pci_dev(ap->host->dev)); qc = ata_qc_from_tag(ap, ap->active_tag); printk(KERN_ERR "mmio_base %p ap %p qc %p scsi_cmnd %p &cmnd %p\n", - ap->host->mmio_base, ap, qc, qc->scsicmd, &qc->scsicmd->cmnd); + mmio, ap, qc, qc->scsicmd, &qc->scsicmd->cmnd); spin_lock_irqsave(&ap->host->lock, flags); mv_err_intr(ap, 0); @@ -2076,7 +2034,7 @@ static void mv_eng_timeout(struct ata_port *ap) */ static void mv_port_init(struct ata_ioports *port, void __iomem *port_mmio) { - unsigned long shd_base = (unsigned long) port_mmio + SHD_BLK_OFS; + void __iomem *shd_base = port_mmio + SHD_BLK_OFS; unsigned serr_ofs; /* PIO related setup @@ -2224,7 +2182,7 @@ static int mv_init_host(struct pci_dev *pdev, struct ata_probe_ent *probe_ent, unsigned int board_idx) { int rc = 0, n_hc, port, hc; - void __iomem *mmio = probe_ent->mmio_base; + void __iomem *mmio = probe_ent->iomap[MV_PRIMARY_BAR]; struct mv_host_priv *hpriv = probe_ent->private_data; /* global interrupt mask */ @@ -2342,49 +2300,36 @@ static void mv_print_info(struct ata_probe_ent *probe_ent) static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version = 0; - struct ata_probe_ent *probe_ent = NULL; + struct device *dev = &pdev->dev; + struct ata_probe_ent *probe_ent; struct mv_host_priv *hpriv; unsigned int board_idx = (unsigned int)ent->driver_data; - void __iomem *mmio_base; - int pci_dev_busy = 0, rc; + int rc; if (!printed_version++) dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); - if (rc) { + rc = pcim_enable_device(pdev); + if (rc) return rc; - } pci_set_master(pdev); - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + rc = pcim_iomap_regions(pdev, 1 << MV_PRIMARY_BAR, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, MV_PRIMARY_BAR, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - - hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL); - if (!hpriv) { - rc = -ENOMEM; - goto err_out_iounmap; - } - memset(hpriv, 0, sizeof(*hpriv)); + hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; probe_ent->sht = mv_port_info[board_idx].sht; probe_ent->port_flags = mv_port_info[board_idx].flags; @@ -2394,53 +2339,26 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); probe_ent->private_data = hpriv; /* initialize adapter */ rc = mv_init_host(pdev, probe_ent, board_idx); - if (rc) { - goto err_out_hpriv; - } + if (rc) + return rc; /* Enable interrupts */ - if (msi && pci_enable_msi(pdev) == 0) { - hpriv->hp_flags |= MV_HP_FLAG_MSI; - } else { + if (msi && !pci_enable_msi(pdev)) pci_intx(pdev, 1); - } mv_dump_pci_cfg(pdev, 0x68); mv_print_info(probe_ent); - if (ata_device_add(probe_ent) == 0) { - rc = -ENODEV; /* No devices discovered */ - goto err_out_dev_add; - } + if (ata_device_add(probe_ent) == 0) + return -ENODEV; - kfree(probe_ent); + devm_kfree(dev, probe_ent); return 0; - -err_out_dev_add: - if (MV_HP_FLAG_MSI & hpriv->hp_flags) { - pci_disable_msi(pdev); - } else { - pci_intx(pdev, 0); - } -err_out_hpriv: - kfree(hpriv); -err_out_iounmap: - pci_iounmap(pdev, mmio_base); -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) { - pci_disable_device(pdev); - } - - return rc; } static int __init mv_init(void) diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index f7a963eb1f0..095ef1b2cd0 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -49,11 +49,13 @@ #include <linux/libata.h> #define DRV_NAME "sata_nv" -#define DRV_VERSION "3.2" +#define DRV_VERSION "3.3" #define NV_ADMA_DMA_BOUNDARY 0xffffffffUL enum { + NV_MMIO_BAR = 5, + NV_PORTS = 2, NV_PIO_MASK = 0x1f, NV_MWDMA_MASK = 0x07, @@ -213,12 +215,21 @@ struct nv_adma_port_priv { dma_addr_t cpb_dma; struct nv_adma_prd *aprd; dma_addr_t aprd_dma; + void __iomem * ctl_block; + void __iomem * gen_block; + void __iomem * notifier_clear_block; u8 flags; }; +struct nv_host_priv { + unsigned long type; +}; + #define NV_ADMA_CHECK_INTR(GCTL, PORT) ((GCTL) & ( 1 << (19 + (12 * (PORT))))) static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); +static void nv_remove_one (struct pci_dev *pdev); +static int nv_pci_device_resume(struct pci_dev *pdev); static void nv_ck804_host_stop(struct ata_host *host); static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance); static irqreturn_t nv_nf2_interrupt(int irq, void *dev_instance); @@ -239,6 +250,8 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance); static void nv_adma_irq_clear(struct ata_port *ap); static int nv_adma_port_start(struct ata_port *ap); static void nv_adma_port_stop(struct ata_port *ap); +static int nv_adma_port_suspend(struct ata_port *ap, pm_message_t mesg); +static int nv_adma_port_resume(struct ata_port *ap); static void nv_adma_error_handler(struct ata_port *ap); static void nv_adma_host_stop(struct ata_host *host); static void nv_adma_bmdma_setup(struct ata_queued_cmd *qc); @@ -284,7 +297,9 @@ static struct pci_driver nv_pci_driver = { .name = DRV_NAME, .id_table = nv_pci_tbl, .probe = nv_init_one, - .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = nv_pci_device_resume, + .remove = nv_remove_one, }; static struct scsi_host_template nv_sht = { @@ -303,6 +318,8 @@ static struct scsi_host_template nv_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .suspend = ata_scsi_device_suspend, + .resume = ata_scsi_device_resume, }; static struct scsi_host_template nv_adma_sht = { @@ -321,6 +338,8 @@ static struct scsi_host_template nv_adma_sht = { .slave_configure = nv_adma_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .suspend = ata_scsi_device_suspend, + .resume = ata_scsi_device_resume, }; static const struct ata_port_operations nv_generic_ops = { @@ -340,14 +359,14 @@ static const struct ata_port_operations nv_generic_ops = { .thaw = ata_bmdma_thaw, .error_handler = nv_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = nv_generic_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = nv_scr_read, .scr_write = nv_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; static const struct ata_port_operations nv_nf2_ops = { @@ -367,14 +386,14 @@ static const struct ata_port_operations nv_nf2_ops = { .thaw = nv_nf2_thaw, .error_handler = nv_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = nv_nf2_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = nv_scr_read, .scr_write = nv_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; static const struct ata_port_operations nv_ck804_ops = { @@ -394,13 +413,14 @@ static const struct ata_port_operations nv_ck804_ops = { .thaw = nv_ck804_thaw, .error_handler = nv_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = nv_ck804_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = nv_scr_read, .scr_write = nv_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, .host_stop = nv_ck804_host_stop, }; @@ -422,13 +442,17 @@ static const struct ata_port_operations nv_adma_ops = { .thaw = nv_ck804_thaw, .error_handler = nv_adma_error_handler, .post_internal_cmd = nv_adma_bmdma_stop, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = nv_adma_interrupt, .irq_clear = nv_adma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = nv_scr_read, .scr_write = nv_scr_write, .port_start = nv_adma_port_start, .port_stop = nv_adma_port_stop, + .port_suspend = nv_adma_port_suspend, + .port_resume = nv_adma_port_resume, .host_stop = nv_adma_host_stop, }; @@ -467,6 +491,7 @@ static struct ata_port_info nv_port_info[] = { { .sht = &nv_adma_sht, .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_HRST_TO_RESUME | ATA_FLAG_MMIO | ATA_FLAG_NCQ, .pio_mask = NV_PIO_MASK, .mwdma_mask = NV_MWDMA_MASK, @@ -483,57 +508,72 @@ MODULE_VERSION(DRV_VERSION); static int adma_enabled = 1; -static inline void __iomem *__nv_adma_ctl_block(void __iomem *mmio, - unsigned int port_no) -{ - mmio += NV_ADMA_PORT + port_no * NV_ADMA_PORT_SIZE; - return mmio; -} - -static inline void __iomem *nv_adma_ctl_block(struct ata_port *ap) -{ - return __nv_adma_ctl_block(ap->host->mmio_base, ap->port_no); -} - -static inline void __iomem *nv_adma_gen_block(struct ata_port *ap) -{ - return (ap->host->mmio_base + NV_ADMA_GEN); -} - -static inline void __iomem *nv_adma_notifier_clear_block(struct ata_port *ap) -{ - return (nv_adma_gen_block(ap) + NV_ADMA_NOTIFIER_CLEAR + (4 * ap->port_no)); -} - static void nv_adma_register_mode(struct ata_port *ap) { - void __iomem *mmio = nv_adma_ctl_block(ap); struct nv_adma_port_priv *pp = ap->private_data; - u16 tmp; + void __iomem *mmio = pp->ctl_block; + u16 tmp, status; + int count = 0; if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) return; + status = readw(mmio + NV_ADMA_STAT); + while(!(status & NV_ADMA_STAT_IDLE) && count < 20) { + ndelay(50); + status = readw(mmio + NV_ADMA_STAT); + count++; + } + if(count == 20) + ata_port_printk(ap, KERN_WARNING, + "timeout waiting for ADMA IDLE, stat=0x%hx\n", + status); + tmp = readw(mmio + NV_ADMA_CTL); writew(tmp & ~NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + count = 0; + status = readw(mmio + NV_ADMA_STAT); + while(!(status & NV_ADMA_STAT_LEGACY) && count < 20) { + ndelay(50); + status = readw(mmio + NV_ADMA_STAT); + count++; + } + if(count == 20) + ata_port_printk(ap, KERN_WARNING, + "timeout waiting for ADMA LEGACY, stat=0x%hx\n", + status); + pp->flags |= NV_ADMA_PORT_REGISTER_MODE; } static void nv_adma_mode(struct ata_port *ap) { - void __iomem *mmio = nv_adma_ctl_block(ap); struct nv_adma_port_priv *pp = ap->private_data; - u16 tmp; + void __iomem *mmio = pp->ctl_block; + u16 tmp, status; + int count = 0; if (!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) return; - + WARN_ON(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE); tmp = readw(mmio + NV_ADMA_CTL); writew(tmp | NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + status = readw(mmio + NV_ADMA_STAT); + while(((status & NV_ADMA_STAT_LEGACY) || + !(status & NV_ADMA_STAT_IDLE)) && count < 20) { + ndelay(50); + status = readw(mmio + NV_ADMA_STAT); + count++; + } + if(count == 20) + ata_port_printk(ap, KERN_WARNING, + "timeout waiting for ADMA LEGACY clear and IDLE, stat=0x%hx\n", + status); + pp->flags &= ~NV_ADMA_PORT_REGISTER_MODE; } @@ -568,7 +608,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev) /* Subtract 1 since an extra entry may be needed for padding, see libata-scsi.c */ sg_tablesize = LIBATA_MAX_PRD - 1; - + /* Since the legacy DMA engine is in use, we need to disable ADMA on the port. */ adma_enable = 0; @@ -580,7 +620,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev) sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN; adma_enable = 1; } - + pci_read_config_dword(pdev, NV_MCP_SATA_CFG_20, ¤t_reg); if(ap->port_no == 1) @@ -589,7 +629,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev) else config_mask = NV_MCP_SATA_CFG_20_PORT0_EN | NV_MCP_SATA_CFG_20_PORT0_PWB_EN; - + if(adma_enable) { new_reg = current_reg | config_mask; pp->flags &= ~NV_ADMA_ATAPI_SETUP_COMPLETE; @@ -598,10 +638,10 @@ static int nv_adma_slave_config(struct scsi_device *sdev) new_reg = current_reg & ~config_mask; pp->flags |= NV_ADMA_ATAPI_SETUP_COMPLETE; } - + if(current_reg != new_reg) pci_write_config_dword(pdev, NV_MCP_SATA_CFG_20, new_reg); - + blk_queue_bounce_limit(sdev->request_queue, bounce_limit); blk_queue_segment_boundary(sdev->request_queue, segment_boundary); blk_queue_max_hw_segments(sdev->request_queue, sg_tablesize); @@ -648,53 +688,62 @@ static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, __le16 *cpb) return idx; } -static void nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err) +static int nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err) { struct nv_adma_port_priv *pp = ap->private_data; - int complete = 0, have_err = 0; u8 flags = pp->cpb[cpb_num].resp_flags; VPRINTK("CPB %d, flags=0x%x\n", cpb_num, flags); - if (flags & NV_CPB_RESP_DONE) { - VPRINTK("CPB flags done, flags=0x%x\n", flags); - complete = 1; - } - if (flags & NV_CPB_RESP_ATA_ERR) { - ata_port_printk(ap, KERN_ERR, "CPB flags ATA err, flags=0x%x\n", flags); - have_err = 1; - complete = 1; - } - if (flags & NV_CPB_RESP_CMD_ERR) { - ata_port_printk(ap, KERN_ERR, "CPB flags CMD err, flags=0x%x\n", flags); - have_err = 1; - complete = 1; - } - if (flags & NV_CPB_RESP_CPB_ERR) { - ata_port_printk(ap, KERN_ERR, "CPB flags CPB err, flags=0x%x\n", flags); - have_err = 1; - complete = 1; + if (unlikely((force_err || + flags & (NV_CPB_RESP_ATA_ERR | + NV_CPB_RESP_CMD_ERR | + NV_CPB_RESP_CPB_ERR)))) { + struct ata_eh_info *ehi = &ap->eh_info; + int freeze = 0; + + ata_ehi_clear_desc(ehi); + ata_ehi_push_desc(ehi, "CPB resp_flags 0x%x", flags ); + if (flags & NV_CPB_RESP_ATA_ERR) { + ata_ehi_push_desc(ehi, ": ATA error"); + ehi->err_mask |= AC_ERR_DEV; + } else if (flags & NV_CPB_RESP_CMD_ERR) { + ata_ehi_push_desc(ehi, ": CMD error"); + ehi->err_mask |= AC_ERR_DEV; + } else if (flags & NV_CPB_RESP_CPB_ERR) { + ata_ehi_push_desc(ehi, ": CPB error"); + ehi->err_mask |= AC_ERR_SYSTEM; + freeze = 1; + } else { + /* notifier error, but no error in CPB flags? */ + ehi->err_mask |= AC_ERR_OTHER; + freeze = 1; + } + /* Kill all commands. EH will determine what actually failed. */ + if (freeze) + ata_port_freeze(ap); + else + ata_port_abort(ap); + return 1; } - if(complete || force_err) - { + + if (flags & NV_CPB_RESP_DONE) { struct ata_queued_cmd *qc = ata_qc_from_tag(ap, cpb_num); - if(likely(qc)) { - u8 ata_status = 0; - /* Only use the ATA port status for non-NCQ commands. + VPRINTK("CPB flags done, flags=0x%x\n", flags); + if (likely(qc)) { + /* Grab the ATA port status for non-NCQ commands. For NCQ commands the current status may have nothing to do with the command just completed. */ - if(qc->tf.protocol != ATA_PROT_NCQ) - ata_status = readb(nv_adma_ctl_block(ap) + (ATA_REG_STATUS * 4)); - - if(have_err || force_err) - ata_status |= ATA_ERR; - - qc->err_mask |= ac_err_mask(ata_status); + if (qc->tf.protocol != ATA_PROT_NCQ) { + u8 ata_status = readb(pp->ctl_block + (ATA_REG_STATUS * 4)); + qc->err_mask |= ac_err_mask(ata_status); + } DPRINTK("Completing qc from tag %d with err_mask %u\n",cpb_num, qc->err_mask); ata_qc_complete(qc); } } + return 0; } static int nv_host_intr(struct ata_port *ap, u8 irq_stat) @@ -735,15 +784,14 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) if (ap && !(ap->flags & ATA_FLAG_DISABLED)) { struct nv_adma_port_priv *pp = ap->private_data; - void __iomem *mmio = nv_adma_ctl_block(ap); + void __iomem *mmio = pp->ctl_block; u16 status; u32 gen_ctl; - int have_global_err = 0; u32 notifier, notifier_error; /* if in ATA register mode, use standard ata interrupt handler */ if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) { - u8 irq_stat = readb(host->mmio_base + NV_INT_STATUS_CK804) + u8 irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804) >> (NV_INT_PORT_SHIFT * i); if(ata_tag_valid(ap->active_tag)) /** NV_INT_DEV indication seems unreliable at times @@ -758,7 +806,7 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); notifier_clears[i] = notifier | notifier_error; - gen_ctl = readl(nv_adma_gen_block(ap) + NV_ADMA_GEN_CTL); + gen_ctl = readl(pp->gen_block + NV_ADMA_GEN_CTL); if( !NV_ADMA_CHECK_INTR(gen_ctl, ap->port_no) && !notifier && !notifier_error) @@ -774,52 +822,60 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) readw(mmio + NV_ADMA_STAT); /* flush posted write */ rmb(); - /* freeze if hotplugged */ - if (unlikely(status & (NV_ADMA_STAT_HOTPLUG | NV_ADMA_STAT_HOTUNPLUG))) { - ata_port_printk(ap, KERN_NOTICE, "Hotplug event, freezing\n"); + handled++; /* irq handled if we got here */ + + /* freeze if hotplugged or controller error */ + if (unlikely(status & (NV_ADMA_STAT_HOTPLUG | + NV_ADMA_STAT_HOTUNPLUG | + NV_ADMA_STAT_TIMEOUT))) { + struct ata_eh_info *ehi = &ap->eh_info; + + ata_ehi_clear_desc(ehi); + ata_ehi_push_desc(ehi, "ADMA status 0x%08x", status ); + if (status & NV_ADMA_STAT_TIMEOUT) { + ehi->err_mask |= AC_ERR_SYSTEM; + ata_ehi_push_desc(ehi, ": timeout"); + } else if (status & NV_ADMA_STAT_HOTPLUG) { + ata_ehi_hotplugged(ehi); + ata_ehi_push_desc(ehi, ": hotplug"); + } else if (status & NV_ADMA_STAT_HOTUNPLUG) { + ata_ehi_hotplugged(ehi); + ata_ehi_push_desc(ehi, ": hot unplug"); + } ata_port_freeze(ap); - handled++; continue; } - if (status & NV_ADMA_STAT_TIMEOUT) { - ata_port_printk(ap, KERN_ERR, "timeout, stat=0x%x\n", status); - have_global_err = 1; - } - if (status & NV_ADMA_STAT_CPBERR) { - ata_port_printk(ap, KERN_ERR, "CPB error, stat=0x%x\n", status); - have_global_err = 1; - } - if ((status & NV_ADMA_STAT_DONE) || have_global_err) { + if (status & (NV_ADMA_STAT_DONE | + NV_ADMA_STAT_CPBERR)) { /** Check CPBs for completed commands */ - if(ata_tag_valid(ap->active_tag)) + if (ata_tag_valid(ap->active_tag)) { /* Non-NCQ command */ - nv_adma_check_cpb(ap, ap->active_tag, have_global_err || - (notifier_error & (1 << ap->active_tag))); - else { - int pos; + nv_adma_check_cpb(ap, ap->active_tag, + notifier_error & (1 << ap->active_tag)); + } else { + int pos, error = 0; u32 active = ap->sactive; - while( (pos = ffs(active)) ) { + + while ((pos = ffs(active)) && !error) { pos--; - nv_adma_check_cpb(ap, pos, have_global_err || - (notifier_error & (1 << pos)) ); + error = nv_adma_check_cpb(ap, pos, + notifier_error & (1 << pos) ); active &= ~(1 << pos ); } } } - - handled++; /* irq handled if we got here */ } } - + if(notifier_clears[0] || notifier_clears[1]) { /* Note: Both notifier clear registers must be written if either is set, even if one is zero, according to NVIDIA. */ - writel(notifier_clears[0], - nv_adma_notifier_clear_block(host->ports[0])); - writel(notifier_clears[1], - nv_adma_notifier_clear_block(host->ports[1])); + struct nv_adma_port_priv *pp = host->ports[0]->private_data; + writel(notifier_clears[0], pp->notifier_clear_block); + pp = host->ports[1]->private_data; + writel(notifier_clears[1], pp->notifier_clear_block); } spin_unlock(&host->lock); @@ -829,19 +885,20 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) static void nv_adma_irq_clear(struct ata_port *ap) { - void __iomem *mmio = nv_adma_ctl_block(ap); + struct nv_adma_port_priv *pp = ap->private_data; + void __iomem *mmio = pp->ctl_block; u16 status = readw(mmio + NV_ADMA_STAT); u32 notifier = readl(mmio + NV_ADMA_NOTIFIER); u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); - unsigned long dma_stat_addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; + void __iomem *dma_stat_addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; /* clear ADMA status */ writew(status, mmio + NV_ADMA_STAT); writel(notifier | notifier_error, - nv_adma_notifier_clear_block(ap)); + pp->notifier_clear_block); /** clear legacy status */ - outb(inb(dma_stat_addr), dma_stat_addr); + iowrite8(ioread8(dma_stat_addr), dma_stat_addr); } static void nv_adma_bmdma_setup(struct ata_queued_cmd *qc) @@ -857,15 +914,15 @@ static void nv_adma_bmdma_setup(struct ata_queued_cmd *qc) } /* load PRD table addr. */ - outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); + iowrite32(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); /* specify data direction, triple-check start bit is clear */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); if (!rw) dmactl |= ATA_DMA_WR; - outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); /* issue r/w command */ ata_exec_command(ap, &qc->tf); @@ -883,9 +940,9 @@ static void nv_adma_bmdma_start(struct ata_queued_cmd *qc) } /* start host DMA transaction */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - outb(dmactl | ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + iowrite8(dmactl | ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); } static void nv_adma_bmdma_stop(struct ata_queued_cmd *qc) @@ -897,8 +954,8 @@ static void nv_adma_bmdma_stop(struct ata_queued_cmd *qc) return; /* clear start/stop bit */ - outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + iowrite8(ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ ata_altstatus(ap); /* dummy read */ @@ -910,7 +967,7 @@ static u8 nv_adma_bmdma_status(struct ata_port *ap) WARN_ON(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)); - return inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + return ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); } static int nv_adma_port_start(struct ata_port *ap) @@ -920,7 +977,7 @@ static int nv_adma_port_start(struct ata_port *ap) int rc; void *mem; dma_addr_t mem_dma; - void __iomem *mmio = nv_adma_ctl_block(ap); + void __iomem *mmio; u16 tmp; VPRINTK("ENTER\n"); @@ -929,19 +986,21 @@ static int nv_adma_port_start(struct ata_port *ap) if (rc) return rc; - pp = kzalloc(sizeof(*pp), GFP_KERNEL); - if (!pp) { - rc = -ENOMEM; - goto err_out; - } - - mem = dma_alloc_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, - &mem_dma, GFP_KERNEL); - - if (!mem) { - rc = -ENOMEM; - goto err_out_kfree; - } + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); + if (!pp) + return -ENOMEM; + + mmio = ap->host->iomap[NV_MMIO_BAR] + NV_ADMA_PORT + + ap->port_no * NV_ADMA_PORT_SIZE; + pp->ctl_block = mmio; + pp->gen_block = ap->host->iomap[NV_MMIO_BAR] + NV_ADMA_GEN; + pp->notifier_clear_block = pp->gen_block + + NV_ADMA_NOTIFIER_CLEAR + (4 * ap->port_no); + + mem = dmam_alloc_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, + &mem_dma, GFP_KERNEL); + if (!mem) + return -ENOMEM; memset(mem, 0, NV_ADMA_PORT_PRIV_DMA_SZ); /* @@ -975,9 +1034,9 @@ static int nv_adma_port_start(struct ata_port *ap) /* clear CPB fetch count */ writew(0, mmio + NV_ADMA_CPB_COUNT); - /* clear GO for register mode */ + /* clear GO for register mode, enable interrupt */ tmp = readw(mmio + NV_ADMA_CTL); - writew(tmp & ~NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + writew( (tmp & ~NV_ADMA_CTL_GO) | NV_ADMA_CTL_AIEN, mmio + NV_ADMA_CTL); tmp = readw(mmio + NV_ADMA_CTL); writew(tmp | NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); @@ -987,53 +1046,89 @@ static int nv_adma_port_start(struct ata_port *ap) readl( mmio + NV_ADMA_CTL ); /* flush posted write */ return 0; - -err_out_kfree: - kfree(pp); -err_out: - ata_port_stop(ap); - return rc; } static void nv_adma_port_stop(struct ata_port *ap) { - struct device *dev = ap->host->dev; struct nv_adma_port_priv *pp = ap->private_data; - void __iomem *mmio = nv_adma_ctl_block(ap); + void __iomem *mmio = pp->ctl_block; VPRINTK("ENTER\n"); + writew(0, mmio + NV_ADMA_CTL); +} + +static int nv_adma_port_suspend(struct ata_port *ap, pm_message_t mesg) +{ + struct nv_adma_port_priv *pp = ap->private_data; + void __iomem *mmio = pp->ctl_block; + /* Go to register mode - clears GO */ + nv_adma_register_mode(ap); + + /* clear CPB fetch count */ + writew(0, mmio + NV_ADMA_CPB_COUNT); + + /* disable interrupt, shut down port */ writew(0, mmio + NV_ADMA_CTL); - ap->private_data = NULL; - dma_free_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, pp->cpb, pp->cpb_dma); - kfree(pp); - ata_port_stop(ap); + return 0; } +static int nv_adma_port_resume(struct ata_port *ap) +{ + struct nv_adma_port_priv *pp = ap->private_data; + void __iomem *mmio = pp->ctl_block; + u16 tmp; + + /* set CPB block location */ + writel(pp->cpb_dma & 0xFFFFFFFF, mmio + NV_ADMA_CPB_BASE_LOW); + writel((pp->cpb_dma >> 16 ) >> 16, mmio + NV_ADMA_CPB_BASE_HIGH); + + /* clear any outstanding interrupt conditions */ + writew(0xffff, mmio + NV_ADMA_STAT); + + /* initialize port variables */ + pp->flags |= NV_ADMA_PORT_REGISTER_MODE; + + /* clear CPB fetch count */ + writew(0, mmio + NV_ADMA_CPB_COUNT); + + /* clear GO for register mode, enable interrupt */ + tmp = readw(mmio + NV_ADMA_CTL); + writew((tmp & ~NV_ADMA_CTL_GO) | NV_ADMA_CTL_AIEN, mmio + NV_ADMA_CTL); + + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp | NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); + readl( mmio + NV_ADMA_CTL ); /* flush posted write */ + udelay(1); + writew(tmp & ~NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); + readl( mmio + NV_ADMA_CTL ); /* flush posted write */ + + return 0; +} static void nv_adma_setup_port(struct ata_probe_ent *probe_ent, unsigned int port) { - void __iomem *mmio = probe_ent->mmio_base; + void __iomem *mmio = probe_ent->iomap[NV_MMIO_BAR]; struct ata_ioports *ioport = &probe_ent->port[port]; VPRINTK("ENTER\n"); mmio += NV_ADMA_PORT + port * NV_ADMA_PORT_SIZE; - ioport->cmd_addr = (unsigned long) mmio; - ioport->data_addr = (unsigned long) mmio + (ATA_REG_DATA * 4); + ioport->cmd_addr = mmio; + ioport->data_addr = mmio + (ATA_REG_DATA * 4); ioport->error_addr = - ioport->feature_addr = (unsigned long) mmio + (ATA_REG_ERR * 4); - ioport->nsect_addr = (unsigned long) mmio + (ATA_REG_NSECT * 4); - ioport->lbal_addr = (unsigned long) mmio + (ATA_REG_LBAL * 4); - ioport->lbam_addr = (unsigned long) mmio + (ATA_REG_LBAM * 4); - ioport->lbah_addr = (unsigned long) mmio + (ATA_REG_LBAH * 4); - ioport->device_addr = (unsigned long) mmio + (ATA_REG_DEVICE * 4); + ioport->feature_addr = mmio + (ATA_REG_ERR * 4); + ioport->nsect_addr = mmio + (ATA_REG_NSECT * 4); + ioport->lbal_addr = mmio + (ATA_REG_LBAL * 4); + ioport->lbam_addr = mmio + (ATA_REG_LBAM * 4); + ioport->lbah_addr = mmio + (ATA_REG_LBAH * 4); + ioport->device_addr = mmio + (ATA_REG_DEVICE * 4); ioport->status_addr = - ioport->command_addr = (unsigned long) mmio + (ATA_REG_STATUS * 4); + ioport->command_addr = mmio + (ATA_REG_STATUS * 4); ioport->altstatus_addr = - ioport->ctl_addr = (unsigned long) mmio + 0x20; + ioport->ctl_addr = mmio + 0x20; } static int nv_adma_host_init(struct ata_probe_ent *probe_ent) @@ -1056,15 +1151,6 @@ static int nv_adma_host_init(struct ata_probe_ent *probe_ent) for (i = 0; i < probe_ent->n_ports; i++) nv_adma_setup_port(probe_ent, i); - for (i = 0; i < probe_ent->n_ports; i++) { - void __iomem *mmio = __nv_adma_ctl_block(probe_ent->mmio_base, i); - u16 tmp; - - /* enable interrupt, clear reset if not already clear */ - tmp = readw(mmio + NV_ADMA_CTL); - writew(tmp | NV_ADMA_CTL_AIEN, mmio + NV_ADMA_CTL); - } - return 0; } @@ -1110,18 +1196,31 @@ static void nv_adma_fill_sg(struct ata_queued_cmd *qc, struct nv_adma_cpb *cpb) cpb->next_aprd = cpu_to_le64(((u64)(pp->aprd_dma + NV_ADMA_SGTBL_SZ * qc->tag))); } +static int nv_adma_use_reg_mode(struct ata_queued_cmd *qc) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + + /* ADMA engine can only be used for non-ATAPI DMA commands, + or interrupt-driven no-data commands. */ + if((pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) || + (qc->tf.flags & ATA_TFLAG_POLLING)) + return 1; + + if((qc->flags & ATA_QCFLAG_DMAMAP) || + (qc->tf.protocol == ATA_PROT_NODATA)) + return 0; + + return 1; +} + static void nv_adma_qc_prep(struct ata_queued_cmd *qc) { struct nv_adma_port_priv *pp = qc->ap->private_data; struct nv_adma_cpb *cpb = &pp->cpb[qc->tag]; u8 ctl_flags = NV_CPB_CTL_CPB_VALID | - NV_CPB_CTL_APRD_VALID | NV_CPB_CTL_IEN; - VPRINTK("qc->flags = 0x%lx\n", qc->flags); - - if (!(qc->flags & ATA_QCFLAG_DMAMAP) || - (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) { + if (nv_adma_use_reg_mode(qc)) { nv_adma_register_mode(qc->ap); ata_qc_prep(qc); return; @@ -1137,9 +1236,15 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc) if (qc->tf.protocol == ATA_PROT_NCQ) ctl_flags |= NV_CPB_CTL_QUEUE | NV_CPB_CTL_FPDMA; + VPRINTK("qc->flags = 0x%lx\n", qc->flags); + nv_adma_tf_to_cpb(&qc->tf, cpb->tf); - nv_adma_fill_sg(qc, cpb); + if(qc->flags & ATA_QCFLAG_DMAMAP) { + nv_adma_fill_sg(qc, cpb); + ctl_flags |= NV_CPB_CTL_APRD_VALID; + } else + memset(&cpb->aprd[0], 0, sizeof(struct nv_adma_prd) * 5); /* Be paranoid and don't let the device see NV_CPB_CTL_CPB_VALID until we are finished filling in all of the contents */ @@ -1150,14 +1255,13 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc) static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc) { struct nv_adma_port_priv *pp = qc->ap->private_data; - void __iomem *mmio = nv_adma_ctl_block(qc->ap); + void __iomem *mmio = pp->ctl_block; VPRINTK("ENTER\n"); - if (!(qc->flags & ATA_QCFLAG_DMAMAP) || - (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) { + if (nv_adma_use_reg_mode(qc)) { /* use ATA register mode */ - VPRINTK("no dmamap or ATAPI, using ATA register mode: 0x%lx\n", qc->flags); + VPRINTK("using ATA register mode: 0x%lx\n", qc->flags); nv_adma_register_mode(qc->ap); return ata_qc_issue_prot(qc); } else @@ -1229,7 +1333,7 @@ static irqreturn_t nv_nf2_interrupt(int irq, void *dev_instance) irqreturn_t ret; spin_lock(&host->lock); - irq_stat = inb(host->ports[0]->ioaddr.scr_addr + NV_INT_STATUS); + irq_stat = ioread8(host->ports[0]->ioaddr.scr_addr + NV_INT_STATUS); ret = nv_do_interrupt(host, irq_stat); spin_unlock(&host->lock); @@ -1243,7 +1347,7 @@ static irqreturn_t nv_ck804_interrupt(int irq, void *dev_instance) irqreturn_t ret; spin_lock(&host->lock); - irq_stat = readb(host->mmio_base + NV_INT_STATUS_CK804); + irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804); ret = nv_do_interrupt(host, irq_stat); spin_unlock(&host->lock); @@ -1255,7 +1359,7 @@ static u32 nv_scr_read (struct ata_port *ap, unsigned int sc_reg) if (sc_reg > SCR_CONTROL) return 0xffffffffU; - return ioread32((void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); + return ioread32(ap->ioaddr.scr_addr + (sc_reg * 4)); } static void nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) @@ -1263,36 +1367,36 @@ static void nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) if (sc_reg > SCR_CONTROL) return; - iowrite32(val, (void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); + iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)); } static void nv_nf2_freeze(struct ata_port *ap) { - unsigned long scr_addr = ap->host->ports[0]->ioaddr.scr_addr; + void __iomem *scr_addr = ap->host->ports[0]->ioaddr.scr_addr; int shift = ap->port_no * NV_INT_PORT_SHIFT; u8 mask; - mask = inb(scr_addr + NV_INT_ENABLE); + mask = ioread8(scr_addr + NV_INT_ENABLE); mask &= ~(NV_INT_ALL << shift); - outb(mask, scr_addr + NV_INT_ENABLE); + iowrite8(mask, scr_addr + NV_INT_ENABLE); } static void nv_nf2_thaw(struct ata_port *ap) { - unsigned long scr_addr = ap->host->ports[0]->ioaddr.scr_addr; + void __iomem *scr_addr = ap->host->ports[0]->ioaddr.scr_addr; int shift = ap->port_no * NV_INT_PORT_SHIFT; u8 mask; - outb(NV_INT_ALL << shift, scr_addr + NV_INT_STATUS); + iowrite8(NV_INT_ALL << shift, scr_addr + NV_INT_STATUS); - mask = inb(scr_addr + NV_INT_ENABLE); + mask = ioread8(scr_addr + NV_INT_ENABLE); mask |= (NV_INT_MASK << shift); - outb(mask, scr_addr + NV_INT_ENABLE); + iowrite8(mask, scr_addr + NV_INT_ENABLE); } static void nv_ck804_freeze(struct ata_port *ap) { - void __iomem *mmio_base = ap->host->mmio_base; + void __iomem *mmio_base = ap->host->iomap[NV_MMIO_BAR]; int shift = ap->port_no * NV_INT_PORT_SHIFT; u8 mask; @@ -1303,7 +1407,7 @@ static void nv_ck804_freeze(struct ata_port *ap) static void nv_ck804_thaw(struct ata_port *ap) { - void __iomem *mmio_base = ap->host->mmio_base; + void __iomem *mmio_base = ap->host->iomap[NV_MMIO_BAR]; int shift = ap->port_no * NV_INT_PORT_SHIFT; u8 mask; @@ -1335,32 +1439,13 @@ static void nv_adma_error_handler(struct ata_port *ap) { struct nv_adma_port_priv *pp = ap->private_data; if(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) { - void __iomem *mmio = nv_adma_ctl_block(ap); + void __iomem *mmio = pp->ctl_block; int i; u16 tmp; - u32 notifier = readl(mmio + NV_ADMA_NOTIFIER); - u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); - u32 gen_ctl = readl(nv_adma_gen_block(ap) + NV_ADMA_GEN_CTL); - u32 status = readw(mmio + NV_ADMA_STAT); - - ata_port_printk(ap, KERN_ERR, "EH in ADMA mode, notifier 0x%X " - "notifier_error 0x%X gen_ctl 0x%X status 0x%X\n", - notifier, notifier_error, gen_ctl, status); - - for( i=0;i<NV_ADMA_MAX_CPBS;i++) { - struct nv_adma_cpb *cpb = &pp->cpb[i]; - if( cpb->ctl_flags || cpb->resp_flags ) - ata_port_printk(ap, KERN_ERR, - "CPB %d: ctl_flags 0x%x, resp_flags 0x%x\n", - i, cpb->ctl_flags, cpb->resp_flags); - } - /* Push us back into port register mode for error handling. */ nv_adma_register_mode(ap); - ata_port_printk(ap, KERN_ERR, "Resetting port\n"); - /* Mark all of the CPBs as invalid to prevent them from being executed */ for( i=0;i<NV_ADMA_MAX_CPBS;i++) pp->cpb[i].ctl_flags &= ~NV_CPB_CTL_CPB_VALID; @@ -1386,10 +1471,10 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) static int printed_version = 0; struct ata_port_info *ppi[2]; struct ata_probe_ent *probe_ent; - int pci_dev_busy = 0; + struct nv_host_priv *hpriv; int rc; u32 bar; - unsigned long base; + void __iomem *base; unsigned long type = ent->driver_data; int mask_set = 0; @@ -1400,17 +1485,17 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_resource_start(pdev, bar) == 0) return -ENODEV; - if ( !printed_version++) + if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) - goto err_out; + return rc; rc = pci_request_regions(pdev, DRV_NAME); if (rc) { - pci_dev_busy = 1; - goto err_out_disable; + pcim_pin_device(pdev); + return rc; } if(type >= CK804 && adma_enabled) { @@ -1424,27 +1509,31 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if(!mask_set) { rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; } rc = -ENOMEM; + hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; + ppi[0] = ppi[1] = &nv_port_info[type]; probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); if (!probe_ent) - goto err_out_regions; + return -ENOMEM; - probe_ent->mmio_base = pci_iomap(pdev, 5, 0); - if (!probe_ent->mmio_base) { - rc = -EIO; - goto err_out_free_ent; - } + if (!pcim_iomap(pdev, NV_MMIO_BAR, 0)) + return -EIO; + probe_ent->iomap = pcim_iomap_table(pdev); - base = (unsigned long)probe_ent->mmio_base; + probe_ent->private_data = hpriv; + hpriv->type = type; + base = probe_ent->iomap[NV_MMIO_BAR]; probe_ent->port[0].scr_addr = base + NV_PORT0_SCR_REG_OFFSET; probe_ent->port[1].scr_addr = base + NV_PORT1_SCR_REG_OFFSET; @@ -1462,28 +1551,72 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (type == ADMA) { rc = nv_adma_host_init(probe_ent); if (rc) - goto err_out_iounmap; + return rc; } rc = ata_device_add(probe_ent); if (rc != NV_PORTS) - goto err_out_iounmap; - - kfree(probe_ent); + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; +} -err_out_iounmap: - pci_iounmap(pdev, probe_ent->mmio_base); -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out_disable: - if (!pci_dev_busy) - pci_disable_device(pdev); -err_out: - return rc; +static void nv_remove_one (struct pci_dev *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + struct nv_host_priv *hpriv = host->private_data; + + ata_pci_remove_one(pdev); + kfree(hpriv); +} + +static int nv_pci_device_resume(struct pci_dev *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + struct nv_host_priv *hpriv = host->private_data; + int rc; + + rc = ata_pci_device_do_resume(pdev); + if(rc) + return rc; + + if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { + if(hpriv->type >= CK804) { + u8 regval; + + pci_read_config_byte(pdev, NV_MCP_SATA_CFG_20, ®val); + regval |= NV_MCP_SATA_CFG_20_SATA_SPACE_EN; + pci_write_config_byte(pdev, NV_MCP_SATA_CFG_20, regval); + } + if(hpriv->type == ADMA) { + u32 tmp32; + struct nv_adma_port_priv *pp; + /* enable/disable ADMA on the ports appropriately */ + pci_read_config_dword(pdev, NV_MCP_SATA_CFG_20, &tmp32); + + pp = host->ports[0]->private_data; + if(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) + tmp32 &= ~(NV_MCP_SATA_CFG_20_PORT0_EN | + NV_MCP_SATA_CFG_20_PORT0_PWB_EN); + else + tmp32 |= (NV_MCP_SATA_CFG_20_PORT0_EN | + NV_MCP_SATA_CFG_20_PORT0_PWB_EN); + pp = host->ports[1]->private_data; + if(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) + tmp32 &= ~(NV_MCP_SATA_CFG_20_PORT1_EN | + NV_MCP_SATA_CFG_20_PORT1_PWB_EN); + else + tmp32 |= (NV_MCP_SATA_CFG_20_PORT1_EN | + NV_MCP_SATA_CFG_20_PORT1_PWB_EN); + + pci_write_config_dword(pdev, NV_MCP_SATA_CFG_20, tmp32); + } + } + + ata_host_resume(host); + + return 0; } static void nv_ck804_host_stop(struct ata_host *host) @@ -1495,25 +1628,13 @@ static void nv_ck804_host_stop(struct ata_host *host) pci_read_config_byte(pdev, NV_MCP_SATA_CFG_20, ®val); regval &= ~NV_MCP_SATA_CFG_20_SATA_SPACE_EN; pci_write_config_byte(pdev, NV_MCP_SATA_CFG_20, regval); - - ata_pci_host_stop(host); } static void nv_adma_host_stop(struct ata_host *host) { struct pci_dev *pdev = to_pci_dev(host->dev); - int i; u32 tmp32; - for (i = 0; i < host->n_ports; i++) { - void __iomem *mmio = __nv_adma_ctl_block(host->mmio_base, i); - u16 tmp; - - /* disable interrupt */ - tmp = readw(mmio + NV_ADMA_CTL); - writew(tmp & ~NV_ADMA_CTL_AIEN, mmio + NV_ADMA_CTL); - } - /* disable ADMA on the ports */ pci_read_config_dword(pdev, NV_MCP_SATA_CFG_20, &tmp32); tmp32 &= ~(NV_MCP_SATA_CFG_20_PORT0_EN | diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index f055874a6ec..3be4cc338d7 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -39,10 +39,10 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/device.h> +#include <scsi/scsi.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> -#include <asm/io.h> #include "sata_promise.h" #define DRV_NAME "sata_promise" @@ -50,6 +50,17 @@ enum { + PDC_MMIO_BAR = 3, + + /* register offsets */ + PDC_FEATURE = 0x04, /* Feature/Error reg (per port) */ + PDC_SECTOR_COUNT = 0x08, /* Sector count reg (per port) */ + PDC_SECTOR_NUMBER = 0x0C, /* Sector number reg (per port) */ + PDC_CYLINDER_LOW = 0x10, /* Cylinder low reg (per port) */ + PDC_CYLINDER_HIGH = 0x14, /* Cylinder high reg (per port) */ + PDC_DEVICE = 0x18, /* Device/Head reg (per port) */ + PDC_COMMAND = 0x1C, /* Command/status reg (per port) */ + PDC_ALTSTATUS = 0x38, /* Alternate-status/device-control reg (per port) */ PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */ PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */ PDC_FLASH_CTL = 0x44, /* Flash control register */ @@ -71,13 +82,23 @@ enum { PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */ + /* Sequence counter control registers bit definitions */ + PDC_SEQCNTRL_INT_MASK = (1 << 5), /* Sequence Interrupt Mask */ + + /* Feature register values */ + PDC_FEATURE_ATAPI_PIO = 0x00, /* ATAPI data xfer by PIO */ + PDC_FEATURE_ATAPI_DMA = 0x01, /* ATAPI data xfer by DMA */ + + /* Device/Head register values */ + PDC_DEVICE_SATA = 0xE0, /* Device/Head value for SATA devices */ + /* PDC_CTLSTAT bit definitions */ PDC_DMA_ENABLE = (1 << 7), PDC_IRQ_DISABLE = (1 << 10), PDC_RESET = (1 << 11), /* HDMA reset */ PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | - ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | + ATA_FLAG_MMIO | ATA_FLAG_PIO_POLLING, /* hp->flags bits */ @@ -92,6 +113,7 @@ struct pdc_port_priv { struct pdc_host_priv { unsigned long flags; + unsigned long port_flags[ATA_MAX_PORTS]; }; static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg); @@ -100,14 +122,14 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e static irqreturn_t pdc_interrupt (int irq, void *dev_instance); static void pdc_eng_timeout(struct ata_port *ap); static int pdc_port_start(struct ata_port *ap); -static void pdc_port_stop(struct ata_port *ap); static void pdc_pata_phy_reset(struct ata_port *ap); static void pdc_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf); +static int pdc_check_atapi_dma(struct ata_queued_cmd *qc); +static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc); static void pdc_irq_clear(struct ata_port *ap); static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc); -static void pdc_host_stop(struct ata_host *host); static void pdc_freeze(struct ata_port *ap); static void pdc_thaw(struct ata_port *ap); static void pdc_error_handler(struct ata_port *ap); @@ -139,6 +161,34 @@ static const struct ata_port_operations pdc_sata_ops = { .check_status = ata_check_status, .exec_command = pdc_exec_command_mmio, .dev_select = ata_std_dev_select, + .check_atapi_dma = pdc_check_atapi_dma, + + .qc_prep = pdc_qc_prep, + .qc_issue = pdc_qc_issue_prot, + .freeze = pdc_freeze, + .thaw = pdc_thaw, + .error_handler = pdc_error_handler, + .post_internal_cmd = pdc_post_internal_cmd, + .data_xfer = ata_data_xfer, + .irq_handler = pdc_interrupt, + .irq_clear = pdc_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, + + .scr_read = pdc_sata_scr_read, + .scr_write = pdc_sata_scr_write, + .port_start = pdc_port_start, +}; + +/* First-generation chips need a more restrictive ->check_atapi_dma op */ +static const struct ata_port_operations pdc_old_sata_ops = { + .port_disable = ata_port_disable, + .tf_load = pdc_tf_load_mmio, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = pdc_exec_command_mmio, + .dev_select = ata_std_dev_select, + .check_atapi_dma = pdc_old_check_atapi_dma, .qc_prep = pdc_qc_prep, .qc_issue = pdc_qc_issue_prot, @@ -146,15 +196,15 @@ static const struct ata_port_operations pdc_sata_ops = { .thaw = pdc_thaw, .error_handler = pdc_error_handler, .post_internal_cmd = pdc_post_internal_cmd, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .irq_handler = pdc_interrupt, .irq_clear = pdc_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = pdc_sata_scr_read, .scr_write = pdc_sata_scr_write, .port_start = pdc_port_start, - .port_stop = pdc_port_stop, - .host_stop = pdc_host_stop, }; static const struct ata_port_operations pdc_pata_ops = { @@ -164,30 +214,31 @@ static const struct ata_port_operations pdc_pata_ops = { .check_status = ata_check_status, .exec_command = pdc_exec_command_mmio, .dev_select = ata_std_dev_select, + .check_atapi_dma = pdc_check_atapi_dma, .phy_reset = pdc_pata_phy_reset, .qc_prep = pdc_qc_prep, .qc_issue = pdc_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .eng_timeout = pdc_eng_timeout, .irq_handler = pdc_interrupt, .irq_clear = pdc_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = pdc_port_start, - .port_stop = pdc_port_stop, - .host_stop = pdc_host_stop, }; static const struct ata_port_info pdc_port_info[] = { /* board_2037x */ { .sht = &pdc_ata_sht, - .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, + .flags = PDC_COMMON_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ - .port_ops = &pdc_sata_ops, + .port_ops = &pdc_old_sata_ops, }, /* board_20319 */ @@ -197,7 +248,7 @@ static const struct ata_port_info pdc_port_info[] = { .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ - .port_ops = &pdc_sata_ops, + .port_ops = &pdc_old_sata_ops, }, /* board_20619 */ @@ -213,7 +264,7 @@ static const struct ata_port_info pdc_port_info[] = { /* board_2057x */ { .sht = &pdc_ata_sht, - .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, + .flags = PDC_COMMON_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ @@ -271,21 +322,22 @@ static int pdc_port_start(struct ata_port *ap) struct pdc_port_priv *pp; int rc; + /* fix up port flags and cable type for SATA+PATA chips */ + ap->flags |= hp->port_flags[ap->port_no]; + if (ap->flags & ATA_FLAG_SATA) + ap->cbl = ATA_CBL_SATA; + rc = ata_port_start(ap); if (rc) return rc; - pp = kzalloc(sizeof(*pp), GFP_KERNEL); - if (!pp) { - rc = -ENOMEM; - goto err_out; - } + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); + if (!pp) + return -ENOMEM; - pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL); - if (!pp->pkt) { - rc = -ENOMEM; - goto err_out_kfree; - } + pp->pkt = dmam_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL); + if (!pp->pkt) + return -ENOMEM; ap->private_data = pp; @@ -300,40 +352,11 @@ static int pdc_port_start(struct ata_port *ap) } return 0; - -err_out_kfree: - kfree(pp); -err_out: - ata_port_stop(ap); - return rc; -} - - -static void pdc_port_stop(struct ata_port *ap) -{ - struct device *dev = ap->host->dev; - struct pdc_port_priv *pp = ap->private_data; - - ap->private_data = NULL; - dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma); - kfree(pp); - ata_port_stop(ap); } - -static void pdc_host_stop(struct ata_host *host) -{ - struct pdc_host_priv *hp = host->private_data; - - ata_pci_host_stop(host); - - kfree(hp); -} - - static void pdc_reset_port(struct ata_port *ap) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT; + void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_CTLSTAT; unsigned int i; u32 tmp; @@ -377,18 +400,102 @@ static void pdc_pata_phy_reset(struct ata_port *ap) static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) { - if (sc_reg > SCR_CONTROL) + if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA) return 0xffffffffU; - return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + return readl(ap->ioaddr.scr_addr + (sc_reg * 4)); } static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { - if (sc_reg > SCR_CONTROL) + if (sc_reg > SCR_CONTROL || ap->cbl != ATA_CBL_SATA) return; - writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + writel(val, ap->ioaddr.scr_addr + (sc_reg * 4)); +} + +static void pdc_atapi_pkt(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + dma_addr_t sg_table = ap->prd_dma; + unsigned int cdb_len = qc->dev->cdb_len; + u8 *cdb = qc->cdb; + struct pdc_port_priv *pp = ap->private_data; + u8 *buf = pp->pkt; + u32 *buf32 = (u32 *) buf; + unsigned int dev_sel, feature, nbytes; + + /* set control bits (byte 0), zero delay seq id (byte 3), + * and seq id (byte 2) + */ + switch (qc->tf.protocol) { + case ATA_PROT_ATAPI_DMA: + if (!(qc->tf.flags & ATA_TFLAG_WRITE)) + buf32[0] = cpu_to_le32(PDC_PKT_READ); + else + buf32[0] = 0; + break; + case ATA_PROT_ATAPI_NODATA: + buf32[0] = cpu_to_le32(PDC_PKT_NODATA); + break; + default: + BUG(); + break; + } + buf32[1] = cpu_to_le32(sg_table); /* S/G table addr */ + buf32[2] = 0; /* no next-packet */ + + /* select drive */ + if (sata_scr_valid(ap)) { + dev_sel = PDC_DEVICE_SATA; + } else { + dev_sel = ATA_DEVICE_OBS; + if (qc->dev->devno != 0) + dev_sel |= ATA_DEV1; + } + buf[12] = (1 << 5) | ATA_REG_DEVICE; + buf[13] = dev_sel; + buf[14] = (1 << 5) | ATA_REG_DEVICE | PDC_PKT_CLEAR_BSY; + buf[15] = dev_sel; /* once more, waiting for BSY to clear */ + + buf[16] = (1 << 5) | ATA_REG_NSECT; + buf[17] = 0x00; + buf[18] = (1 << 5) | ATA_REG_LBAL; + buf[19] = 0x00; + + /* set feature and byte counter registers */ + if (qc->tf.protocol != ATA_PROT_ATAPI_DMA) { + feature = PDC_FEATURE_ATAPI_PIO; + /* set byte counter register to real transfer byte count */ + nbytes = qc->nbytes; + if (nbytes > 0xffff) + nbytes = 0xffff; + } else { + feature = PDC_FEATURE_ATAPI_DMA; + /* set byte counter register to 0 */ + nbytes = 0; + } + buf[20] = (1 << 5) | ATA_REG_FEATURE; + buf[21] = feature; + buf[22] = (1 << 5) | ATA_REG_BYTEL; + buf[23] = nbytes & 0xFF; + buf[24] = (1 << 5) | ATA_REG_BYTEH; + buf[25] = (nbytes >> 8) & 0xFF; + + /* send ATAPI packet command 0xA0 */ + buf[26] = (1 << 5) | ATA_REG_CMD; + buf[27] = ATA_CMD_PACKET; + + /* select drive and check DRQ */ + buf[28] = (1 << 5) | ATA_REG_DEVICE | PDC_PKT_WAIT_DRDY; + buf[29] = dev_sel; + + /* we can represent cdb lengths 2/4/6/8/10/12/14/16 */ + BUG_ON(cdb_len & ~0x1E); + + /* append the CDB as the final part */ + buf[30] = (((cdb_len >> 1) & 7) << 5) | ATA_REG_DATA | PDC_LAST_REG; + memcpy(buf+31, cdb, cdb_len); } static void pdc_qc_prep(struct ata_queued_cmd *qc) @@ -415,6 +522,17 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc) pdc_pkt_footer(&qc->tf, pp->pkt, i); break; + case ATA_PROT_ATAPI: + ata_qc_prep(qc); + break; + + case ATA_PROT_ATAPI_DMA: + ata_qc_prep(qc); + /*FALLTHROUGH*/ + case ATA_PROT_ATAPI_NODATA: + pdc_atapi_pkt(qc); + break; + default: break; } @@ -517,7 +635,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap, { unsigned int handled = 0; u32 tmp; - void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL; + void __iomem *mmio = ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL; tmp = readl(mmio); if (tmp & PDC_ERR_MASK) { @@ -528,6 +646,8 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap, switch (qc->tf.protocol) { case ATA_PROT_DMA: case ATA_PROT_NODATA: + case ATA_PROT_ATAPI_DMA: + case ATA_PROT_ATAPI_NODATA: qc->err_mask |= ac_err_mask(ata_wait_idle(ap)); ata_qc_complete(qc); handled = 1; @@ -544,7 +664,7 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap, static void pdc_irq_clear(struct ata_port *ap) { struct ata_host *host = ap->host; - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; readl(mmio + PDC_INT_SEQMASK); } @@ -560,12 +680,12 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance) VPRINTK("ENTER\n"); - if (!host || !host->mmio_base) { + if (!host || !host->iomap[PDC_MMIO_BAR]) { VPRINTK("QUICK EXIT\n"); return IRQ_NONE; } - mmio_base = host->mmio_base; + mmio_base = host->iomap[PDC_MMIO_BAR]; /* reading should also clear interrupts */ mask = readl(mmio_base + PDC_INT_SEQMASK); @@ -610,32 +730,34 @@ static inline void pdc_packet_start(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct pdc_port_priv *pp = ap->private_data; + void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR]; unsigned int port_no = ap->port_no; u8 seq = (u8) (port_no + 1); VPRINTK("ENTER, ap %p\n", ap); - writel(0x00000001, ap->host->mmio_base + (seq * 4)); - readl(ap->host->mmio_base + (seq * 4)); /* flush */ + writel(0x00000001, mmio + (seq * 4)); + readl(mmio + (seq * 4)); /* flush */ pp->pkt[2] = seq; wmb(); /* flush PRD, pkt writes */ - writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); - readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */ + writel(pp->pkt_dma, ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); + readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */ } static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) { switch (qc->tf.protocol) { + case ATA_PROT_ATAPI_NODATA: + if (qc->dev->flags & ATA_DFLAG_CDB_INTR) + break; + /*FALLTHROUGH*/ + case ATA_PROT_ATAPI_DMA: case ATA_PROT_DMA: case ATA_PROT_NODATA: pdc_packet_start(qc); return 0; - case ATA_PROT_ATAPI_DMA: - BUG(); - break; - default: break; } @@ -658,8 +780,44 @@ static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile ata_exec_command(ap, tf); } +static int pdc_check_atapi_dma(struct ata_queued_cmd *qc) +{ + u8 *scsicmd = qc->scsicmd->cmnd; + int pio = 1; /* atapi dma off by default */ + + /* Whitelist commands that may use DMA. */ + switch (scsicmd[0]) { + case WRITE_12: + case WRITE_10: + case WRITE_6: + case READ_12: + case READ_10: + case READ_6: + case 0xad: /* READ_DVD_STRUCTURE */ + case 0xbe: /* READ_CD */ + pio = 0; + } + /* -45150 (FFFF4FA2) to -1 (FFFFFFFF) shall use PIO mode */ + if (scsicmd[0] == WRITE_10) { + unsigned int lba; + lba = (scsicmd[2] << 24) | (scsicmd[3] << 16) | (scsicmd[4] << 8) | scsicmd[5]; + if (lba >= 0xFFFF4FA2) + pio = 1; + } + return pio; +} -static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base) +static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + + /* First generation chips cannot use ATAPI DMA on SATA ports */ + if (sata_scr_valid(ap)) + return 1; + return pdc_check_atapi_dma(qc); +} + +static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base) { port->cmd_addr = base; port->data_addr = base; @@ -679,7 +837,7 @@ static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base) static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) { - void __iomem *mmio = pe->mmio_base; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; struct pdc_host_priv *hp = pe->private_data; int hotplug_offset; u32 tmp; @@ -733,55 +891,43 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; + struct ata_probe_ent *probe_ent; struct pdc_host_priv *hp; - unsigned long base; - void __iomem *mmio_base; + void __iomem *base; unsigned int board_idx = (unsigned int) ent->driver_data; - int pci_dev_busy = 0; int rc; + u8 tmp; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + rc = pcim_iomap_regions(pdev, 1 << PDC_MMIO_BAR, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; - probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, 3, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - base = (unsigned long) mmio_base; - - hp = kzalloc(sizeof(*hp), GFP_KERNEL); - if (hp == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } + hp = devm_kzalloc(&pdev->dev, sizeof(*hp), GFP_KERNEL); + if (hp == NULL) + return -ENOMEM; probe_ent->private_data = hp; @@ -794,7 +940,9 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); + + base = probe_ent->iomap[PDC_MMIO_BAR]; pdc_ata_setup_port(&probe_ent->port[0], base + 0x200); pdc_ata_setup_port(&probe_ent->port[1], base + 0x280); @@ -820,7 +968,17 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e hp->flags |= PDC_FLAG_GEN_II; /* Fall through */ case board_2037x: - probe_ent->n_ports = 2; + /* TX2plus boards also have a PATA port */ + tmp = readb(base + PDC_FLASH_CTL+1); + if (!(tmp & 0x80)) { + probe_ent->n_ports = 3; + pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); + hp->port_flags[2] = ATA_FLAG_SLAVE_POSS; + printk(KERN_INFO DRV_NAME " PATA port found\n"); + } else + probe_ent->n_ports = 2; + hp->port_flags[0] = ATA_FLAG_SATA; + hp->port_flags[1] = ATA_FLAG_SATA; break; case board_20619: probe_ent->n_ports = 4; @@ -841,22 +999,11 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e /* initialize adapter */ pdc_host_init(board_idx, probe_ent); - /* FIXME: Need any other frees than hp? */ if (!ata_device_add(probe_ent)) - kfree(hp); - - kfree(probe_ent); + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; - -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; } diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index 710909df4ea..bfa35ede655 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -37,13 +37,14 @@ #include <linux/sched.h> #include <linux/device.h> #include <scsi/scsi_host.h> -#include <asm/io.h> #include <linux/libata.h> #define DRV_NAME "sata_qstor" #define DRV_VERSION "0.06" enum { + QS_MMIO_BAR = 4, + QS_PORTS = 4, QS_MAX_PRD = LIBATA_MAX_PRD, QS_CPB_ORDER = 6, @@ -117,7 +118,6 @@ static int qs_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *en static irqreturn_t qs_intr (int irq, void *dev_instance); static int qs_port_start(struct ata_port *ap); static void qs_host_stop(struct ata_host *host); -static void qs_port_stop(struct ata_port *ap); static void qs_phy_reset(struct ata_port *ap); static void qs_qc_prep(struct ata_queued_cmd *qc); static unsigned int qs_qc_issue(struct ata_queued_cmd *qc); @@ -157,14 +157,15 @@ static const struct ata_port_operations qs_ata_ops = { .phy_reset = qs_phy_reset, .qc_prep = qs_qc_prep, .qc_issue = qs_qc_issue, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .eng_timeout = qs_eng_timeout, .irq_handler = qs_intr, .irq_clear = qs_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = qs_scr_read, .scr_write = qs_scr_write, .port_start = qs_port_start, - .port_stop = qs_port_stop, .host_stop = qs_host_stop, .bmdma_stop = qs_bmdma_stop, .bmdma_status = qs_bmdma_status, @@ -197,6 +198,11 @@ static struct pci_driver qs_ata_pci_driver = { .remove = ata_pci_remove_one, }; +static void __iomem *qs_mmio_base(struct ata_host *host) +{ + return host->iomap[QS_MMIO_BAR]; +} + static int qs_check_atapi_dma(struct ata_queued_cmd *qc) { return 1; /* ATAPI DMA not supported */ @@ -219,7 +225,7 @@ static void qs_irq_clear(struct ata_port *ap) static inline void qs_enter_reg_mode(struct ata_port *ap) { - u8 __iomem *chan = ap->host->mmio_base + (ap->port_no * 0x4000); + u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000); writeb(QS_CTR0_REG, chan + QS_CCT_CTR0); readb(chan + QS_CCT_CTR0); /* flush */ @@ -227,7 +233,7 @@ static inline void qs_enter_reg_mode(struct ata_port *ap) static inline void qs_reset_channel_logic(struct ata_port *ap) { - u8 __iomem *chan = ap->host->mmio_base + (ap->port_no * 0x4000); + u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000); writeb(QS_CTR1_RCHN, chan + QS_CCT_CTR1); readb(chan + QS_CCT_CTR0); /* flush */ @@ -257,14 +263,14 @@ static u32 qs_scr_read (struct ata_port *ap, unsigned int sc_reg) { if (sc_reg > SCR_CONTROL) return ~0U; - return readl((void __iomem *)(ap->ioaddr.scr_addr + (sc_reg * 8))); + return readl(ap->ioaddr.scr_addr + (sc_reg * 8)); } static void qs_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { if (sc_reg > SCR_CONTROL) return; - writel(val, (void __iomem *)(ap->ioaddr.scr_addr + (sc_reg * 8))); + writel(val, ap->ioaddr.scr_addr + (sc_reg * 8)); } static unsigned int qs_fill_sg(struct ata_queued_cmd *qc) @@ -325,7 +331,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc) /* host control block (HCB) */ buf[ 0] = QS_HCB_HDR; buf[ 1] = hflags; - *(__le32 *)(&buf[ 4]) = cpu_to_le32(qc->nsect * ATA_SECT_SIZE); + *(__le32 *)(&buf[ 4]) = cpu_to_le32(qc->nbytes); *(__le32 *)(&buf[ 8]) = cpu_to_le32(nelem); addr = ((u64)pp->pkt_dma) + QS_CPB_BYTES; *(__le64 *)(&buf[16]) = cpu_to_le64(addr); @@ -341,7 +347,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc) static inline void qs_packet_start(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - u8 __iomem *chan = ap->host->mmio_base + (ap->port_no * 0x4000); + u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000); VPRINTK("ENTER, ap %p\n", ap); @@ -378,7 +384,7 @@ static inline unsigned int qs_intr_pkt(struct ata_host *host) { unsigned int handled = 0; u8 sFFE; - u8 __iomem *mmio_base = host->mmio_base; + u8 __iomem *mmio_base = qs_mmio_base(host); do { u32 sff0 = readl(mmio_base + QS_HST_SFF); @@ -470,7 +476,7 @@ static irqreturn_t qs_intr(int irq, void *dev_instance) return IRQ_RETVAL(handled); } -static void qs_ata_setup_port(struct ata_ioports *port, unsigned long base) +static void qs_ata_setup_port(struct ata_ioports *port, void __iomem *base) { port->cmd_addr = port->data_addr = base + 0x400; @@ -492,7 +498,7 @@ static int qs_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; struct qs_port_priv *pp; - void __iomem *mmio_base = ap->host->mmio_base; + void __iomem *mmio_base = qs_mmio_base(ap->host); void __iomem *chan = mmio_base + (ap->port_no * 0x4000); u64 addr; int rc; @@ -501,17 +507,13 @@ static int qs_port_start(struct ata_port *ap) if (rc) return rc; qs_enter_reg_mode(ap); - pp = kzalloc(sizeof(*pp), GFP_KERNEL); - if (!pp) { - rc = -ENOMEM; - goto err_out; - } - pp->pkt = dma_alloc_coherent(dev, QS_PKT_BYTES, &pp->pkt_dma, - GFP_KERNEL); - if (!pp->pkt) { - rc = -ENOMEM; - goto err_out_kfree; - } + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); + if (!pp) + return -ENOMEM; + pp->pkt = dmam_alloc_coherent(dev, QS_PKT_BYTES, &pp->pkt_dma, + GFP_KERNEL); + if (!pp->pkt) + return -ENOMEM; memset(pp->pkt, 0, QS_PKT_BYTES); ap->private_data = pp; @@ -519,43 +521,19 @@ static int qs_port_start(struct ata_port *ap) writel((u32) addr, chan + QS_CCF_CPBA); writel((u32)(addr >> 32), chan + QS_CCF_CPBA + 4); return 0; - -err_out_kfree: - kfree(pp); -err_out: - ata_port_stop(ap); - return rc; -} - -static void qs_port_stop(struct ata_port *ap) -{ - struct device *dev = ap->host->dev; - struct qs_port_priv *pp = ap->private_data; - - if (pp != NULL) { - ap->private_data = NULL; - if (pp->pkt != NULL) - dma_free_coherent(dev, QS_PKT_BYTES, pp->pkt, - pp->pkt_dma); - kfree(pp); - } - ata_port_stop(ap); } static void qs_host_stop(struct ata_host *host) { - void __iomem *mmio_base = host->mmio_base; - struct pci_dev *pdev = to_pci_dev(host->dev); + void __iomem *mmio_base = qs_mmio_base(host); writeb(0, mmio_base + QS_HCT_CTRL); /* disable host interrupts */ writeb(QS_CNFG3_GSRST, mmio_base + QS_HCF_CNFG3); /* global reset */ - - pci_iounmap(pdev, mmio_base); } static void qs_host_init(unsigned int chip_id, struct ata_probe_ent *pe) { - void __iomem *mmio_base = pe->mmio_base; + void __iomem *mmio_base = pe->iomap[QS_MMIO_BAR]; unsigned int port_no; writeb(0, mmio_base + QS_HCT_CTRL); /* disable host interrupts */ @@ -630,44 +608,34 @@ static int qs_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; - void __iomem *mmio_base; + struct ata_probe_ent *probe_ent; + void __iomem * const *iomap; unsigned int board_idx = (unsigned int) ent->driver_data; int rc, port_no; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) - goto err_out; - - if ((pci_resource_flags(pdev, 4) & IORESOURCE_MEM) == 0) { - rc = -ENODEV; - goto err_out_regions; - } + if ((pci_resource_flags(pdev, QS_MMIO_BAR) & IORESOURCE_MEM) == 0) + return -ENODEV; - mmio_base = pci_iomap(pdev, 4, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + rc = pcim_iomap_regions(pdev, 1 << QS_MMIO_BAR, DRV_NAME); + if (rc) + return rc; + iomap = pcim_iomap_table(pdev); - rc = qs_set_dma_masks(pdev, mmio_base); + rc = qs_set_dma_masks(pdev, iomap[QS_MMIO_BAR]); if (rc) - goto err_out_iounmap; + return rc; - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_iounmap; - } + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); @@ -680,12 +648,12 @@ static int qs_ata_init_one(struct pci_dev *pdev, probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = iomap; probe_ent->n_ports = QS_PORTS; for (port_no = 0; port_no < probe_ent->n_ports; ++port_no) { - unsigned long chan = (unsigned long)mmio_base + - (port_no * 0x4000); + void __iomem *chan = + probe_ent->iomap[QS_MMIO_BAR] + (port_no * 0x4000); qs_ata_setup_port(&probe_ent->port[port_no], chan); } @@ -694,19 +662,11 @@ static int qs_ata_init_one(struct pci_dev *pdev, /* initialize adapter */ qs_host_init(board_idx, probe_ent); - rc = ata_device_add(probe_ent); - kfree(probe_ent); - if (rc != QS_PORTS) - goto err_out_iounmap; - return 0; + if (ata_device_add(probe_ent) != QS_PORTS) + return -EIO; -err_out_iounmap: - pci_iounmap(pdev, mmio_base); -err_out_regions: - pci_release_regions(pdev); -err_out: - pci_disable_device(pdev); - return rc; + devm_kfree(&pdev->dev, probe_ent); + return 0; } static int __init qs_ata_init(void) diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 7808d0369d9..dca3d3749f0 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -49,6 +49,8 @@ #define DRV_VERSION "2.0" enum { + SIL_MMIO_BAR = 5, + /* * host flags */ @@ -200,18 +202,18 @@ static const struct ata_port_operations sil_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = sil_freeze, .thaw = sil_thaw, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, .irq_handler = sil_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = sil_scr_read, .scr_write = sil_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; static const struct ata_port_info sil_port_info[] = { @@ -297,7 +299,8 @@ static void sil_post_set_mode (struct ata_port *ap) { struct ata_host *host = ap->host; struct ata_device *dev; - void __iomem *addr = host->mmio_base + sil_port[ap->port_no].xfer_mode; + void __iomem *mmio_base = host->iomap[SIL_MMIO_BAR]; + void __iomem *addr = mmio_base + sil_port[ap->port_no].xfer_mode; u32 tmp, dev_mode[2]; unsigned int i; @@ -320,9 +323,9 @@ static void sil_post_set_mode (struct ata_port *ap) readl(addr); /* flush */ } -static inline unsigned long sil_scr_addr(struct ata_port *ap, unsigned int sc_reg) +static inline void __iomem *sil_scr_addr(struct ata_port *ap, unsigned int sc_reg) { - unsigned long offset = ap->ioaddr.scr_addr; + void __iomem *offset = ap->ioaddr.scr_addr; switch (sc_reg) { case SCR_STATUS: @@ -341,7 +344,7 @@ static inline unsigned long sil_scr_addr(struct ata_port *ap, unsigned int sc_re static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg) { - void __iomem *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg); + void __iomem *mmio = sil_scr_addr(ap, sc_reg); if (mmio) return readl(mmio); return 0xffffffffU; @@ -349,7 +352,7 @@ static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg) static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { - void __iomem *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg); + void __iomem *mmio = sil_scr_addr(ap, sc_reg); if (mmio) writel(val, mmio); } @@ -444,7 +447,7 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) static irqreturn_t sil_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; - void __iomem *mmio_base = host->mmio_base; + void __iomem *mmio_base = host->iomap[SIL_MMIO_BAR]; int handled = 0; int i; @@ -476,7 +479,7 @@ static irqreturn_t sil_interrupt(int irq, void *dev_instance) static void sil_freeze(struct ata_port *ap) { - void __iomem *mmio_base = ap->host->mmio_base; + void __iomem *mmio_base = ap->host->iomap[SIL_MMIO_BAR]; u32 tmp; /* global IRQ mask doesn't block SATA IRQ, turn off explicitly */ @@ -491,7 +494,7 @@ static void sil_freeze(struct ata_port *ap) static void sil_thaw(struct ata_port *ap) { - void __iomem *mmio_base = ap->host->mmio_base; + void __iomem *mmio_base = ap->host->iomap[SIL_MMIO_BAR]; u32 tmp; /* clear IRQ */ @@ -541,9 +544,9 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) { int print_info = ap->eh_context.i.flags & ATA_EHI_PRINTINFO; unsigned int n, quirks = 0; - unsigned char model_num[41]; + unsigned char model_num[ATA_ID_PROD_LEN + 1]; - ata_id_c_string(dev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); for (n = 0; sil_blacklist[n].product; n++) if (!strcmp(sil_blacklist[n].product, model_num)) { @@ -621,38 +624,35 @@ static void sil_init_controller(struct pci_dev *pdev, static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; - unsigned long base; + struct device *dev = &pdev->dev; + struct ata_probe_ent *probe_ent; void __iomem *mmio_base; int rc; unsigned int i; - int pci_dev_busy = 0; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + rc = pcim_iomap_regions(pdev, 1 << SIL_MMIO_BAR, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; - probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; INIT_LIST_HEAD(&probe_ent->node); probe_ent->dev = pci_dev_to_dev(pdev); @@ -666,22 +666,16 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->irq_flags = IRQF_SHARED; probe_ent->port_flags = sil_port_info[ent->driver_data].flags; - mmio_base = pci_iomap(pdev, 5, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); - base = (unsigned long) mmio_base; + mmio_base = probe_ent->iomap[SIL_MMIO_BAR]; for (i = 0; i < probe_ent->n_ports; i++) { - probe_ent->port[i].cmd_addr = base + sil_port[i].tf; + probe_ent->port[i].cmd_addr = mmio_base + sil_port[i].tf; probe_ent->port[i].altstatus_addr = - probe_ent->port[i].ctl_addr = base + sil_port[i].ctl; - probe_ent->port[i].bmdma_addr = base + sil_port[i].bmdma; - probe_ent->port[i].scr_addr = base + sil_port[i].scr; + probe_ent->port[i].ctl_addr = mmio_base + sil_port[i].ctl; + probe_ent->port[i].bmdma_addr = mmio_base + sil_port[i].bmdma; + probe_ent->port[i].scr_addr = mmio_base + sil_port[i].scr; ata_std_ports(&probe_ent->port[i]); } @@ -690,30 +684,25 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(dev, probe_ent); return 0; - -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; } #ifdef CONFIG_PM static int sil_pci_device_resume(struct pci_dev *pdev) { struct ata_host *host = dev_get_drvdata(&pdev->dev); + int rc; + + rc = ata_pci_device_do_resume(pdev); + if (rc) + return rc; - ata_pci_device_do_resume(pdev); sil_init_controller(pdev, host->n_ports, host->ports[0]->flags, - host->mmio_base); + host->iomap[SIL_MMIO_BAR]); ata_host_resume(host); return 0; diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 5aa288d2fb8..e65e8d55da3 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -28,7 +28,6 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> -#include <asm/io.h> #define DRV_NAME "sata_sil24" #define DRV_VERSION "0.3" @@ -61,6 +60,9 @@ struct sil24_port_multiplier { }; enum { + SIL24_HOST_BAR = 0, + SIL24_PORT_BAR = 2, + /* * Global controller registers (128 bytes @ BAR0) */ @@ -321,12 +323,6 @@ struct sil24_port_priv { struct ata_taskfile tf; /* Cached taskfile registers */ }; -/* ap->host->private_data */ -struct sil24_host_priv { - void __iomem *host_base; /* global controller control (128 bytes @BAR0) */ - void __iomem *port_base; /* port registers (4 * 8192 bytes @BAR2) */ -}; - static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev); static u8 sil24_check_status(struct ata_port *ap); static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg); @@ -341,8 +337,6 @@ static void sil24_thaw(struct ata_port *ap); static void sil24_error_handler(struct ata_port *ap); static void sil24_post_internal_cmd(struct ata_queued_cmd *qc); static int sil24_port_start(struct ata_port *ap); -static void sil24_port_stop(struct ata_port *ap); -static void sil24_host_stop(struct ata_host *host); static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); #ifdef CONFIG_PM static int sil24_pci_device_resume(struct pci_dev *pdev); @@ -362,7 +356,7 @@ static struct pci_driver sil24_pci_driver = { .name = DRV_NAME, .id_table = sil24_pci_tbl, .probe = sil24_init_one, - .remove = ata_pci_remove_one, /* safe? */ + .remove = ata_pci_remove_one, #ifdef CONFIG_PM .suspend = ata_pci_device_suspend, .resume = sil24_pci_device_resume, @@ -406,6 +400,8 @@ static const struct ata_port_operations sil24_ops = { .irq_handler = sil24_interrupt, .irq_clear = sil24_irq_clear, + .irq_on = ata_dummy_irq_on, + .irq_ack = ata_dummy_irq_ack, .scr_read = sil24_scr_read, .scr_write = sil24_scr_write, @@ -416,8 +412,6 @@ static const struct ata_port_operations sil24_ops = { .post_internal_cmd = sil24_post_internal_cmd, .port_start = sil24_port_start, - .port_stop = sil24_port_stop, - .host_stop = sil24_host_stop, }; /* @@ -467,7 +461,7 @@ static int sil24_tag(int tag) static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; if (dev->cdb_len == 16) writel(PORT_CS_CDB16, port + PORT_CTRL_STAT); @@ -478,7 +472,7 @@ static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev) static inline void sil24_update_tf(struct ata_port *ap) { struct sil24_port_priv *pp = ap->private_data; - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; struct sil24_prb __iomem *prb = port; u8 fis[6 * 4]; @@ -501,7 +495,7 @@ static int sil24_scr_map[] = { static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg) { - void __iomem *scr_addr = (void __iomem *)ap->ioaddr.scr_addr; + void __iomem *scr_addr = ap->ioaddr.scr_addr; if (sc_reg < ARRAY_SIZE(sil24_scr_map)) { void __iomem *addr; addr = scr_addr + sil24_scr_map[sc_reg] * 4; @@ -512,7 +506,7 @@ static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg) static void sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val) { - void __iomem *scr_addr = (void __iomem *)ap->ioaddr.scr_addr; + void __iomem *scr_addr = ap->ioaddr.scr_addr; if (sc_reg < ARRAY_SIZE(sil24_scr_map)) { void __iomem *addr; addr = scr_addr + sil24_scr_map[sc_reg] * 4; @@ -528,7 +522,7 @@ static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf) static int sil24_init_port(struct ata_port *ap) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; u32 tmp; writel(PORT_CS_INIT, port + PORT_CTRL_STAT); @@ -544,7 +538,7 @@ static int sil24_init_port(struct ata_port *ap) static int sil24_softreset(struct ata_port *ap, unsigned int *class) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; struct sil24_port_priv *pp = ap->private_data; struct sil24_prb *prb = &pp->cmd_block[0].ata.prb; dma_addr_t paddr = pp->cmd_block_dma; @@ -604,7 +598,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class) static int sil24_hardreset(struct ata_port *ap, unsigned int *class) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; const char *reason; int tout_msec, rc; u32 tmp; @@ -721,7 +715,7 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct sil24_port_priv *pp = ap->private_data; - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; unsigned int tag = sil24_tag(qc->tag); dma_addr_t paddr; void __iomem *activate; @@ -742,7 +736,7 @@ static void sil24_irq_clear(struct ata_port *ap) static void sil24_freeze(struct ata_port *ap) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; /* Port-wide IRQ mask in HOST_CTRL doesn't really work, clear * PORT_IRQ_ENABLE instead. @@ -752,7 +746,7 @@ static void sil24_freeze(struct ata_port *ap) static void sil24_thaw(struct ata_port *ap) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; u32 tmp; /* clear IRQ */ @@ -765,7 +759,7 @@ static void sil24_thaw(struct ata_port *ap) static void sil24_error_intr(struct ata_port *ap) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; struct ata_eh_info *ehi = &ap->eh_info; int freeze = 0; u32 irq_stat; @@ -843,7 +837,7 @@ static void sil24_finish_qc(struct ata_queued_cmd *qc) static inline void sil24_host_intr(struct ata_port *ap) { - void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; + void __iomem *port = ap->ioaddr.cmd_addr; u32 slot_stat, qc_active; int rc; @@ -878,12 +872,12 @@ static inline void sil24_host_intr(struct ata_port *ap) static irqreturn_t sil24_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; - struct sil24_host_priv *hpriv = host->private_data; + void __iomem *host_base = host->iomap[SIL24_HOST_BAR]; unsigned handled = 0; u32 status; int i; - status = readl(hpriv->host_base + HOST_IRQ_STAT); + status = readl(host_base + HOST_IRQ_STAT); if (status == 0xffffffff) { printk(KERN_ERR DRV_NAME ": IRQ status == 0xffffffff, " @@ -938,13 +932,6 @@ static void sil24_post_internal_cmd(struct ata_queued_cmd *qc) sil24_init_port(ap); } -static inline void sil24_cblk_free(struct sil24_port_priv *pp, struct device *dev) -{ - const size_t cb_size = sizeof(*pp->cmd_block) * SIL24_MAX_CMDS; - - dma_free_coherent(dev, cb_size, pp->cmd_block, pp->cmd_block_dma); -} - static int sil24_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; @@ -952,22 +939,22 @@ static int sil24_port_start(struct ata_port *ap) union sil24_cmd_block *cb; size_t cb_size = sizeof(*cb) * SIL24_MAX_CMDS; dma_addr_t cb_dma; - int rc = -ENOMEM; + int rc; - pp = kzalloc(sizeof(*pp), GFP_KERNEL); + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) - goto err_out; + return -ENOMEM; pp->tf.command = ATA_DRDY; - cb = dma_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL); + cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL); if (!cb) - goto err_out_pp; + return -ENOMEM; memset(cb, 0, cb_size); rc = ata_pad_alloc(ap, dev); if (rc) - goto err_out_pad; + return rc; pp->cmd_block = cb; pp->cmd_block_dma = cb_dma; @@ -975,33 +962,6 @@ static int sil24_port_start(struct ata_port *ap) ap->private_data = pp; return 0; - -err_out_pad: - sil24_cblk_free(pp, dev); -err_out_pp: - kfree(pp); -err_out: - return rc; -} - -static void sil24_port_stop(struct ata_port *ap) -{ - struct device *dev = ap->host->dev; - struct sil24_port_priv *pp = ap->private_data; - - sil24_cblk_free(pp, dev); - ata_pad_free(ap, dev); - kfree(pp); -} - -static void sil24_host_stop(struct ata_host *host) -{ - struct sil24_host_priv *hpriv = host->private_data; - struct pci_dev *pdev = to_pci_dev(host->dev); - - pci_iounmap(pdev, hpriv->host_base); - pci_iounmap(pdev, hpriv->port_base); - kfree(hpriv); } static void sil24_init_controller(struct pci_dev *pdev, int n_ports, @@ -1066,43 +1026,32 @@ static void sil24_init_controller(struct pci_dev *pdev, int n_ports, static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version = 0; + struct device *dev = &pdev->dev; unsigned int board_id = (unsigned int)ent->driver_data; struct ata_port_info *pinfo = &sil24_port_info[board_id]; - struct ata_probe_ent *probe_ent = NULL; - struct sil24_host_priv *hpriv = NULL; - void __iomem *host_base = NULL; - void __iomem *port_base = NULL; + struct ata_probe_ent *probe_ent; + void __iomem *host_base; + void __iomem *port_base; int i, rc; u32 tmp; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); + rc = pcim_iomap_regions(pdev, + (1 << SIL24_HOST_BAR) | (1 << SIL24_PORT_BAR), + DRV_NAME); if (rc) - goto out_disable; - - rc = -ENOMEM; - /* map mmio registers */ - host_base = pci_iomap(pdev, 0, 0); - if (!host_base) - goto out_free; - port_base = pci_iomap(pdev, 2, 0); - if (!port_base) - goto out_free; - - /* allocate & init probe_ent and hpriv */ - probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); - if (!probe_ent) - goto out_free; + return rc; - hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); - if (!hpriv) - goto out_free; + /* allocate & init probe_ent */ + probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL); + if (!probe_ent) + return -ENOMEM; probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); @@ -1117,10 +1066,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->private_data = hpriv; + probe_ent->iomap = pcim_iomap_table(pdev); - hpriv->host_base = host_base; - hpriv->port_base = port_base; + host_base = probe_ent->iomap[SIL24_HOST_BAR]; + port_base = probe_ent->iomap[SIL24_PORT_BAR]; /* * Configure the device @@ -1132,7 +1081,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) { dev_printk(KERN_ERR, &pdev->dev, "64-bit DMA enable failed\n"); - goto out_free; + return rc; } } } else { @@ -1140,13 +1089,13 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) { dev_printk(KERN_ERR, &pdev->dev, "32-bit DMA enable failed\n"); - goto out_free; + return rc; } rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); if (rc) { dev_printk(KERN_ERR, &pdev->dev, "32-bit consistent DMA enable failed\n"); - goto out_free; + return rc; } } @@ -1162,11 +1111,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } for (i = 0; i < probe_ent->n_ports; i++) { - unsigned long portu = - (unsigned long)port_base + i * PORT_REGS_SIZE; + void __iomem *port = port_base + i * PORT_REGS_SIZE; - probe_ent->port[i].cmd_addr = portu; - probe_ent->port[i].scr_addr = portu + PORT_SCONTROL; + probe_ent->port[i].cmd_addr = port; + probe_ent->port[i].scr_addr = port + PORT_SCONTROL; ata_std_ports(&probe_ent->port[i]); } @@ -1176,38 +1124,30 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; - kfree(probe_ent); + devm_kfree(dev, probe_ent); return 0; - - out_free: - if (host_base) - pci_iounmap(pdev, host_base); - if (port_base) - pci_iounmap(pdev, port_base); - kfree(probe_ent); - kfree(hpriv); - pci_release_regions(pdev); - out_disable: - pci_disable_device(pdev); - return rc; } #ifdef CONFIG_PM static int sil24_pci_device_resume(struct pci_dev *pdev) { struct ata_host *host = dev_get_drvdata(&pdev->dev); - struct sil24_host_priv *hpriv = host->private_data; + void __iomem *host_base = host->iomap[SIL24_HOST_BAR]; + void __iomem *port_base = host->iomap[SIL24_PORT_BAR]; + int rc; - ata_pci_device_do_resume(pdev); + rc = ata_pci_device_do_resume(pdev); + if (rc) + return rc; if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) - writel(HOST_CTRL_GLOBAL_RST, hpriv->host_base + HOST_CTRL); + writel(HOST_CTRL_GLOBAL_RST, host_base + HOST_CTRL); sil24_init_controller(pdev, host->n_ports, host->ports[0]->flags, - hpriv->host_base, hpriv->port_base); + host_base, port_base); ata_host_resume(host); diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index 9c25a1e9173..49c9e2bd706 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -40,9 +40,11 @@ #include <linux/device.h> #include <scsi/scsi_host.h> #include <linux/libata.h> +#include "libata.h" +#undef DRV_NAME /* already defined in libata.h, for libata-core */ #define DRV_NAME "sata_sis" -#define DRV_VERSION "0.6" +#define DRV_VERSION "0.7" enum { sis_180 = 0, @@ -67,9 +69,12 @@ static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg); static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); static const struct pci_device_id sis_pci_tbl[] = { - { PCI_VDEVICE(SI, 0x180), sis_180 }, - { PCI_VDEVICE(SI, 0x181), sis_180 }, - { PCI_VDEVICE(SI, 0x182), sis_180 }, + { PCI_VDEVICE(SI, 0x0180), sis_180 }, /* SiS 964/180 */ + { PCI_VDEVICE(SI, 0x0181), sis_180 }, /* SiS 964/180 */ + { PCI_VDEVICE(SI, 0x0182), sis_180 }, /* SiS 965/965L */ + { PCI_VDEVICE(SI, 0x0183), sis_180 }, /* SiS 965/965L */ + { PCI_VDEVICE(SI, 0x1182), sis_180 }, /* SiS 966/966L */ + { PCI_VDEVICE(SI, 0x1183), sis_180 }, /* SiS 966/966L */ { } /* terminate list */ }; @@ -112,18 +117,18 @@ static const struct ata_port_operations sis_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = sis_scr_read, .scr_write = sis_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static struct ata_port_info sis_port_info = { @@ -135,31 +140,42 @@ static struct ata_port_info sis_port_info = { .port_ops = &sis_ops, }; - MODULE_AUTHOR("Uwe Koziolek"); MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, sis_pci_tbl); MODULE_VERSION(DRV_VERSION); -static unsigned int get_scr_cfg_addr(unsigned int port_no, unsigned int sc_reg, int device) +static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) { + struct pci_dev *pdev = to_pci_dev(ap->host->dev); unsigned int addr = SIS_SCR_BASE + (4 * sc_reg); + u8 pmr; - if (port_no) { - if (device == 0x182) - addr += SIS182_SATA1_OFS; - else - addr += SIS180_SATA1_OFS; + if (ap->port_no) { + switch (pdev->device) { + case 0x0180: + case 0x0181: + pci_read_config_byte(pdev, SIS_PMR, &pmr); + if ((pmr & SIS_PMR_COMBINED) == 0) + addr += SIS180_SATA1_OFS; + break; + + case 0x0182: + case 0x0183: + case 0x1182: + case 0x1183: + addr += SIS182_SATA1_OFS; + break; + } } - return addr; } static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - unsigned int cfg_addr = get_scr_cfg_addr(ap->port_no, sc_reg, pdev->device); + unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); u32 val, val2 = 0; u8 pmr; @@ -170,26 +186,28 @@ static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) pci_read_config_dword(pdev, cfg_addr, &val); - if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED)) + if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) || + (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED)) pci_read_config_dword(pdev, cfg_addr+0x10, &val2); return (val|val2) & 0xfffffffb; /* avoid problems with powerdowned ports */ } -static void sis_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val) +static void sis_scr_cfg_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - unsigned int cfg_addr = get_scr_cfg_addr(ap->port_no, scr, pdev->device); + unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); u8 pmr; - if (scr == SCR_ERROR) /* doesn't exist in PCI cfg space */ + if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */ return; pci_read_config_byte(pdev, SIS_PMR, &pmr); pci_write_config_dword(pdev, cfg_addr, val); - if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED)) + if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) || + (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED)) pci_write_config_dword(pdev, cfg_addr+0x10, val); } @@ -207,10 +225,11 @@ static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg) pci_read_config_byte(pdev, SIS_PMR, &pmr); - val = inl(ap->ioaddr.scr_addr + (sc_reg * 4)); + val = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4)); - if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED)) - val2 = inl(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10); + if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) || + (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED)) + val2 = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10); return (val | val2) & 0xfffffffb; } @@ -228,9 +247,10 @@ static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) if (ap->flags & SIS_FLAG_CFGSCR) sis_scr_cfg_write(ap, sc_reg, val); else { - outl(val, ap->ioaddr.scr_addr + (sc_reg * 4)); - if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED)) - outl(val, ap->ioaddr.scr_addr + (sc_reg * 4)+0x10); + iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)); + if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) || + (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED)) + iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)+0x10); } } @@ -241,29 +261,28 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) int rc; u32 genctl, val; struct ata_port_info pi = sis_port_info, *ppi[2] = { &pi, &pi }; - int pci_dev_busy = 0; u8 pmr; - u8 port2_start; + u8 port2_start = 0x20; if (!printed_version++) dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; rc = pci_request_regions(pdev, DRV_NAME); if (rc) { - pci_dev_busy = 1; - goto err_out; + pcim_pin_device(pdev); + return rc; } rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; /* check and see if the SCRs are in IO space or PCI cfg space */ pci_read_config_dword(pdev, SIS_GENCTL, &genctl); @@ -282,60 +301,79 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) } pci_read_config_byte(pdev, SIS_PMR, &pmr); - if (ent->device != 0x182) { + switch (ent->device) { + case 0x0180: + case 0x0181: + + /* The PATA-handling is provided by pata_sis */ + switch (pmr & 0x30) { + case 0x10: + ppi[1] = &sis_info133; + break; + + case 0x30: + ppi[0] = &sis_info133; + break; + } if ((pmr & SIS_PMR_COMBINED) == 0) { dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 180/181/964 chipset in SATA mode\n"); port2_start = 64; - } - else { + } else { dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 180/181 chipset in combined mode\n"); port2_start=0; pi.flags |= ATA_FLAG_SLAVE_POSS; } - } - else { + break; + + case 0x0182: + case 0x0183: pci_read_config_dword ( pdev, 0x6C, &val); if (val & (1L << 31)) { dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182/965 chipset\n"); pi.flags |= ATA_FLAG_SLAVE_POSS; - } - else + } else { dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182/965L chipset\n"); - port2_start = 0x20; + } + break; + + case 0x1182: + case 0x1183: + pci_read_config_dword(pdev, 0x64, &val); + if (val & 0x10000000) { + dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1182/1183/966L SATA controller\n"); + } else { + dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1182/1183/966 SATA controller\n"); + pi.flags |= ATA_FLAG_SLAVE_POSS; + } + break; } probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); - if (!probe_ent) { - rc = -ENOMEM; - goto err_out_regions; - } + if (!probe_ent) + return -ENOMEM; if (!(probe_ent->port_flags & SIS_FLAG_CFGSCR)) { - probe_ent->port[0].scr_addr = - pci_resource_start(pdev, SIS_SCR_PCI_BAR); - probe_ent->port[1].scr_addr = - pci_resource_start(pdev, SIS_SCR_PCI_BAR) + port2_start; + void *mmio; + + mmio = pcim_iomap(pdev, SIS_SCR_PCI_BAR, 0); + if (!mmio) + return -ENOMEM; + + probe_ent->port[0].scr_addr = mmio; + probe_ent->port[1].scr_addr = mmio + port2_start; } pci_set_master(pdev); pci_intx(pdev, 1); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -EIO; + devm_kfree(&pdev->dev, probe_ent); return 0; -err_out_regions: - pci_release_regions(pdev); - -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; - } static int __init sis_init(void) @@ -350,4 +388,3 @@ static void __exit sis_exit(void) module_init(sis_init); module_exit(sis_exit); - diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 5f4e82ade6c..4e428999420 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -135,31 +135,31 @@ static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; if (tf->ctl != ap->last_ctl) { - writeb(tf->ctl, (void __iomem *) ioaddr->ctl_addr); + writeb(tf->ctl, ioaddr->ctl_addr); ap->last_ctl = tf->ctl; ata_wait_idle(ap); } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { writew(tf->feature | (((u16)tf->hob_feature) << 8), - (void __iomem *) ioaddr->feature_addr); + ioaddr->feature_addr); writew(tf->nsect | (((u16)tf->hob_nsect) << 8), - (void __iomem *) ioaddr->nsect_addr); + ioaddr->nsect_addr); writew(tf->lbal | (((u16)tf->hob_lbal) << 8), - (void __iomem *) ioaddr->lbal_addr); + ioaddr->lbal_addr); writew(tf->lbam | (((u16)tf->hob_lbam) << 8), - (void __iomem *) ioaddr->lbam_addr); + ioaddr->lbam_addr); writew(tf->lbah | (((u16)tf->hob_lbah) << 8), - (void __iomem *) ioaddr->lbah_addr); + ioaddr->lbah_addr); } else if (is_addr) { - writew(tf->feature, (void __iomem *) ioaddr->feature_addr); - writew(tf->nsect, (void __iomem *) ioaddr->nsect_addr); - writew(tf->lbal, (void __iomem *) ioaddr->lbal_addr); - writew(tf->lbam, (void __iomem *) ioaddr->lbam_addr); - writew(tf->lbah, (void __iomem *) ioaddr->lbah_addr); + writew(tf->feature, ioaddr->feature_addr); + writew(tf->nsect, ioaddr->nsect_addr); + writew(tf->lbal, ioaddr->lbal_addr); + writew(tf->lbam, ioaddr->lbam_addr); + writew(tf->lbah, ioaddr->lbah_addr); } if (tf->flags & ATA_TFLAG_DEVICE) - writeb(tf->device, (void __iomem *) ioaddr->device_addr); + writeb(tf->device, ioaddr->device_addr); ata_wait_idle(ap); } @@ -171,12 +171,12 @@ static void k2_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) u16 nsect, lbal, lbam, lbah, feature; tf->command = k2_stat_check_status(ap); - tf->device = readw((void __iomem *)ioaddr->device_addr); - feature = readw((void __iomem *)ioaddr->error_addr); - nsect = readw((void __iomem *)ioaddr->nsect_addr); - lbal = readw((void __iomem *)ioaddr->lbal_addr); - lbam = readw((void __iomem *)ioaddr->lbam_addr); - lbah = readw((void __iomem *)ioaddr->lbah_addr); + tf->device = readw(ioaddr->device_addr); + feature = readw(ioaddr->error_addr); + nsect = readw(ioaddr->nsect_addr); + lbal = readw(ioaddr->lbal_addr); + lbam = readw(ioaddr->lbam_addr); + lbah = readw(ioaddr->lbah_addr); tf->feature = feature; tf->nsect = nsect; @@ -349,21 +349,21 @@ static const struct ata_port_operations k2_sata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = k2_sata_scr_read, .scr_write = k2_sata_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; -static void k2_sata_setup_port(struct ata_ioports *port, unsigned long base) +static void k2_sata_setup_port(struct ata_ioports *port, void __iomem *base) { port->cmd_addr = base + K2_SATA_TF_CMD_OFFSET; port->data_addr = base + K2_SATA_TF_DATA_OFFSET; @@ -386,12 +386,11 @@ static void k2_sata_setup_port(struct ata_ioports *port, unsigned long base) static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; - unsigned long base; + struct device *dev = &pdev->dev; + struct ata_probe_ent *probe_ent; void __iomem *mmio_base; const struct k2_board_info *board_info = &k2_board_info[ent->driver_data]; - int pci_dev_busy = 0; int rc; int i; @@ -402,7 +401,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e * If this driver happens to only be useful on Apple's K2, then * we should check that here as it has a normal Serverworks ID */ - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; /* @@ -412,48 +411,27 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e if (pci_resource_len(pdev, 5) == 0) return -ENODEV; - /* Request PCI regions */ - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + /* Request and iomap PCI regions */ + rc = pcim_iomap_regions(pdev, 1 << 5, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, 5, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - base = (unsigned long) mmio_base; - - /* Clear a magic bit in SCR1 according to Darwin, those help - * some funky seagate drives (though so far, those were already - * set by the firmware on the machines I had access to) - */ - writel(readl(mmio_base + K2_SATA_SICR1_OFFSET) & ~0x00040000, - mmio_base + K2_SATA_SICR1_OFFSET); - - /* Clear SATA error & interrupts we don't use */ - writel(0xffffffff, mmio_base + K2_SATA_SCR_ERROR_OFFSET); - writel(0x0, mmio_base + K2_SATA_SIM_OFFSET); - probe_ent->sht = &k2_sata_sht; probe_ent->port_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | board_info->port_flags; @@ -461,7 +439,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e probe_ent->n_ports = 4; probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); /* We don't care much about the PIO/UDMA masks, but the core won't like us * if we don't fill these @@ -470,28 +448,33 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e probe_ent->mwdma_mask = 0x7; probe_ent->udma_mask = 0x7f; + mmio_base = probe_ent->iomap[5]; + /* different controllers have different number of ports - currently 4 or 8 */ /* All ports are on the same function. Multi-function device is no * longer available. This should not be seen in any system. */ for (i = 0; i < board_info->n_ports; i++) - k2_sata_setup_port(&probe_ent->port[i], base + i * K2_SATA_PORT_OFFSET); + k2_sata_setup_port(&probe_ent->port[i], + mmio_base + i * K2_SATA_PORT_OFFSET); + + /* Clear a magic bit in SCR1 according to Darwin, those help + * some funky seagate drives (though so far, those were already + * set by the firmware on the machines I had access to) + */ + writel(readl(mmio_base + K2_SATA_SICR1_OFFSET) & ~0x00040000, + mmio_base + K2_SATA_SICR1_OFFSET); + + /* Clear SATA error & interrupts we don't use */ + writel(0xffffffff, mmio_base + K2_SATA_SCR_ERROR_OFFSET); + writel(0x0, mmio_base + K2_SATA_SIM_OFFSET); pci_set_master(pdev); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(dev, probe_ent); return 0; - -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; } /* 0x240 is device ID for Apple K2 device diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index ae7992de4b0..06e87a37738 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -42,7 +42,6 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> -#include <asm/io.h> #include "sata_promise.h" #define DRV_NAME "sata_sx4" @@ -50,6 +49,9 @@ enum { + PDC_MMIO_BAR = 3, + PDC_DIMM_BAR = 4, + PDC_PRD_TBL = 0x44, /* Direct command DMA table addr */ PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */ @@ -138,8 +140,6 @@ struct pdc_port_priv { }; struct pdc_host_priv { - void __iomem *dimm_mmio; - unsigned int doing_hdma; unsigned int hdma_prod; unsigned int hdma_cons; @@ -156,11 +156,9 @@ static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance); static void pdc_eng_timeout(struct ata_port *ap); static void pdc_20621_phy_reset (struct ata_port *ap); static int pdc_port_start(struct ata_port *ap); -static void pdc_port_stop(struct ata_port *ap); static void pdc20621_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf); -static void pdc20621_host_stop(struct ata_host *host); static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe); static int pdc20621_detect_dimm(struct ata_probe_ent *pe); static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, @@ -205,13 +203,13 @@ static const struct ata_port_operations pdc_20621_ops = { .phy_reset = pdc_20621_phy_reset, .qc_prep = pdc20621_qc_prep, .qc_issue = pdc20621_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .eng_timeout = pdc_eng_timeout, .irq_handler = pdc20621_interrupt, .irq_clear = pdc20621_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = pdc_port_start, - .port_stop = pdc_port_stop, - .host_stop = pdc20621_host_stop, }; static const struct ata_port_info pdc_port_info[] = { @@ -243,18 +241,6 @@ static struct pci_driver pdc_sata_pci_driver = { }; -static void pdc20621_host_stop(struct ata_host *host) -{ - struct pci_dev *pdev = to_pci_dev(host->dev); - struct pdc_host_priv *hpriv = host->private_data; - void __iomem *dimm_mmio = hpriv->dimm_mmio; - - pci_iounmap(pdev, dimm_mmio); - kfree(hpriv); - - pci_iounmap(pdev, host->mmio_base); -} - static int pdc_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; @@ -265,43 +251,19 @@ static int pdc_port_start(struct ata_port *ap) if (rc) return rc; - pp = kmalloc(sizeof(*pp), GFP_KERNEL); - if (!pp) { - rc = -ENOMEM; - goto err_out; - } - memset(pp, 0, sizeof(*pp)); + pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); + if (!pp) + return -ENOMEM; - pp->pkt = dma_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL); - if (!pp->pkt) { - rc = -ENOMEM; - goto err_out_kfree; - } + pp->pkt = dmam_alloc_coherent(dev, 128, &pp->pkt_dma, GFP_KERNEL); + if (!pp->pkt) + return -ENOMEM; ap->private_data = pp; return 0; - -err_out_kfree: - kfree(pp); -err_out: - ata_port_stop(ap); - return rc; -} - - -static void pdc_port_stop(struct ata_port *ap) -{ - struct device *dev = ap->host->dev; - struct pdc_port_priv *pp = ap->private_data; - - ap->private_data = NULL; - dma_free_coherent(dev, 128, pp->pkt, pp->pkt_dma); - kfree(pp); - ata_port_stop(ap); } - static void pdc_20621_phy_reset (struct ata_port *ap) { VPRINTK("ENTER\n"); @@ -452,9 +414,8 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc) struct scatterlist *sg; struct ata_port *ap = qc->ap; struct pdc_port_priv *pp = ap->private_data; - void __iomem *mmio = ap->host->mmio_base; - struct pdc_host_priv *hpriv = ap->host->private_data; - void __iomem *dimm_mmio = hpriv->dimm_mmio; + void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR]; + void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR]; unsigned int portno = ap->port_no; unsigned int i, idx, total_len = 0, sgt_len; u32 *buf = (u32 *) &pp->dimm_buf[PDC_DIMM_HEADER_SZ]; @@ -513,9 +474,8 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct pdc_port_priv *pp = ap->private_data; - void __iomem *mmio = ap->host->mmio_base; - struct pdc_host_priv *hpriv = ap->host->private_data; - void __iomem *dimm_mmio = hpriv->dimm_mmio; + void __iomem *mmio = ap->host->iomap[PDC_MMIO_BAR]; + void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR]; unsigned int portno = ap->port_no; unsigned int i; @@ -565,7 +525,7 @@ static void __pdc20621_push_hdma(struct ata_queued_cmd *qc, { struct ata_port *ap = qc->ap; struct ata_host *host = ap->host; - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -619,8 +579,7 @@ static void pdc20621_dump_hdma(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; unsigned int port_no = ap->port_no; - struct pdc_host_priv *hpriv = ap->host->private_data; - void *dimm_mmio = hpriv->dimm_mmio; + void __iomem *dimm_mmio = ap->host->iomap[PDC_DIMM_BAR]; dimm_mmio += (port_no * PDC_DIMM_WINDOW_STEP); dimm_mmio += PDC_DIMM_HOST_PKT; @@ -639,7 +598,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct ata_host *host = ap->host; unsigned int port_no = ap->port_no; - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); u8 seq = (u8) (port_no + 1); unsigned int port_ofs; @@ -668,8 +627,8 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc) readl(mmio + PDC_20621_SEQCTL + (seq * 4)); /* flush */ writel(port_ofs + PDC_DIMM_ATA_PKT, - (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); - readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); + ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); + readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); VPRINTK("submitted ofs 0x%x (%u), seq %u\n", port_ofs + PDC_DIMM_ATA_PKT, port_ofs + PDC_DIMM_ATA_PKT, @@ -747,8 +706,8 @@ static inline unsigned int pdc20621_host_intr( struct ata_port *ap, writel(0x00000001, mmio + PDC_20621_SEQCTL + (seq * 4)); readl(mmio + PDC_20621_SEQCTL + (seq * 4)); writel(port_ofs + PDC_DIMM_ATA_PKT, - (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); - readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); + ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); + readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); } /* step two - execute ATA command */ @@ -781,7 +740,7 @@ static inline unsigned int pdc20621_host_intr( struct ata_port *ap, static void pdc20621_irq_clear(struct ata_port *ap) { struct ata_host *host = ap->host; - void __iomem *mmio = host->mmio_base; + void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; mmio += PDC_CHIP0_OFS; @@ -799,12 +758,12 @@ static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance) VPRINTK("ENTER\n"); - if (!host || !host->mmio_base) { + if (!host || !host->iomap[PDC_MMIO_BAR]) { VPRINTK("QUICK EXIT\n"); return IRQ_NONE; } - mmio_base = host->mmio_base; + mmio_base = host->iomap[PDC_MMIO_BAR]; /* reading should also clear interrupts */ mmio_base += PDC_CHIP0_OFS; @@ -905,7 +864,7 @@ static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile } -static void pdc_sata_setup_port(struct ata_ioports *port, unsigned long base) +static void pdc_sata_setup_port(struct ata_ioports *port, void __iomem *base) { port->cmd_addr = base; port->data_addr = base; @@ -931,9 +890,8 @@ static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource, u16 idx; u8 page_mask; long dist; - void __iomem *mmio = pe->mmio_base; - struct pdc_host_priv *hpriv = pe->private_data; - void __iomem *dimm_mmio = hpriv->dimm_mmio; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; + void __iomem *dimm_mmio = pe->iomap[PDC_DIMM_BAR]; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -987,9 +945,8 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource, u16 idx; u8 page_mask; long dist; - void __iomem *mmio = pe->mmio_base; - struct pdc_host_priv *hpriv = pe->private_data; - void __iomem *dimm_mmio = hpriv->dimm_mmio; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; + void __iomem *dimm_mmio = pe->iomap[PDC_DIMM_BAR]; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -1034,7 +991,7 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource, static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device, u32 subaddr, u32 *pdata) { - void __iomem *mmio = pe->mmio_base; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; u32 i2creg = 0; u32 status; u32 count =0; @@ -1093,7 +1050,7 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe) u32 data = 0; int size, i; u8 bdimmsize; - void __iomem *mmio = pe->mmio_base; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; static const struct { unsigned int reg; unsigned int ofs; @@ -1155,8 +1112,8 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe) static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe) { u32 data, spd0; - int error, i; - void __iomem *mmio = pe->mmio_base; + int error, i; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -1210,7 +1167,7 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe) u32 ticks=0; u32 clock=0; u32 fparam=0; - void __iomem *mmio = pe->mmio_base; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -1334,7 +1291,7 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe) static void pdc_20621_init(struct ata_probe_ent *pe) { u32 tmp; - void __iomem *mmio = pe->mmio_base; + void __iomem *mmio = pe->iomap[PDC_MMIO_BAR]; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -1365,67 +1322,43 @@ static void pdc_20621_init(struct ata_probe_ent *pe) static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; - unsigned long base; - void __iomem *mmio_base; - void __iomem *dimm_mmio = NULL; - struct pdc_host_priv *hpriv = NULL; + struct ata_probe_ent *probe_ent; + void __iomem *base; + struct pdc_host_priv *hpriv; unsigned int board_idx = (unsigned int) ent->driver_data; - int pci_dev_busy = 0; int rc; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + rc = pcim_iomap_regions(pdev, (1 << PDC_MMIO_BAR) | (1 << PDC_DIMM_BAR), + DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, 3, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - base = (unsigned long) mmio_base; - - hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL); - if (!hpriv) { - rc = -ENOMEM; - goto err_out_iounmap; - } - memset(hpriv, 0, sizeof(*hpriv)); - - dimm_mmio = pci_iomap(pdev, 4, 0); - if (!dimm_mmio) { - kfree(hpriv); - rc = -ENOMEM; - goto err_out_iounmap; - } - - hpriv->dimm_mmio = dimm_mmio; + hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; probe_ent->sht = pdc_port_info[board_idx].sht; probe_ent->port_flags = pdc_port_info[board_idx].flags; @@ -1436,10 +1369,10 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id * probe_ent->irq = pdev->irq; probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); probe_ent->private_data = hpriv; - base += PDC_CHIP0_OFS; + base = probe_ent->iomap[PDC_MMIO_BAR] + PDC_CHIP0_OFS; probe_ent->n_ports = 4; pdc_sata_setup_port(&probe_ent->port[0], base + 0x200); @@ -1451,31 +1384,15 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id * /* initialize adapter */ /* initialize local dimm */ - if (pdc20621_dimm_init(probe_ent)) { - rc = -ENOMEM; - goto err_out_iounmap_dimm; - } + if (pdc20621_dimm_init(probe_ent)) + return -ENOMEM; pdc_20621_init(probe_ent); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; - -err_out_iounmap_dimm: /* only get to this label if 20621 */ - kfree(hpriv); - pci_iounmap(pdev, dimm_mmio); -err_out_iounmap: - pci_iounmap(pdev, mmio_base); -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; } diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c index a43aec62d50..80131eec68f 100644 --- a/drivers/ata/sata_uli.c +++ b/drivers/ata/sata_uli.c @@ -108,7 +108,7 @@ static const struct ata_port_operations uli_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, @@ -117,13 +117,13 @@ static const struct ata_port_operations uli_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = uli_scr_read, .scr_write = uli_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; static struct ata_port_info uli_port_info = { @@ -189,62 +189,60 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) struct ata_port_info *ppi[2]; int rc; unsigned int board_idx = (unsigned int) ent->driver_data; - int pci_dev_busy = 0; struct uli_priv *hpriv; + void __iomem * const *iomap; if (!printed_version++) dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; rc = pci_request_regions(pdev, DRV_NAME); if (rc) { - pci_dev_busy = 1; - goto err_out; + pcim_pin_device(pdev); + return rc; } rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; ppi[0] = ppi[1] = &uli_port_info; probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); - if (!probe_ent) { - rc = -ENOMEM; - goto err_out_regions; - } + if (!probe_ent) + return -ENOMEM; - hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); - if (!hpriv) { - rc = -ENOMEM; - goto err_out_probe_ent; - } + hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; probe_ent->private_data = hpriv; + iomap = pcim_iomap_table(pdev); + switch (board_idx) { case uli_5287: hpriv->scr_cfg_addr[0] = ULI5287_BASE; hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; probe_ent->n_ports = 4; - probe_ent->port[2].cmd_addr = pci_resource_start(pdev, 0) + 8; + probe_ent->port[2].cmd_addr = iomap[0] + 8; probe_ent->port[2].altstatus_addr = - probe_ent->port[2].ctl_addr = - (pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4; - probe_ent->port[2].bmdma_addr = pci_resource_start(pdev, 4) + 16; + probe_ent->port[2].ctl_addr = (void __iomem *) + ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS) + 4; + probe_ent->port[2].bmdma_addr = iomap[4] + 16; hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4; - probe_ent->port[3].cmd_addr = pci_resource_start(pdev, 2) + 8; + probe_ent->port[3].cmd_addr = iomap[2] + 8; probe_ent->port[3].altstatus_addr = - probe_ent->port[3].ctl_addr = - (pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4; - probe_ent->port[3].bmdma_addr = pci_resource_start(pdev, 4) + 24; + probe_ent->port[3].ctl_addr = (void __iomem *) + ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS) + 4; + probe_ent->port[3].bmdma_addr = iomap[4] + 24; hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5; ata_std_ports(&probe_ent->port[2]); @@ -269,21 +267,11 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); pci_intx(pdev, 1); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; - -err_out_probe_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; - } static int __init uli_init(void) diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index d3d5c0d5703..baca6d79bb0 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -44,7 +44,6 @@ #include <linux/device.h> #include <scsi/scsi_host.h> #include <linux/libata.h> -#include <asm/io.h> #define DRV_NAME "sata_via" #define DRV_VERSION "2.0" @@ -59,11 +58,14 @@ enum { SATA_INT_GATE = 0x41, /* SATA interrupt gating */ SATA_NATIVE_MODE = 0x42, /* Native mode enable */ SATA_PATA_SHARING = 0x49, /* PATA/SATA sharing func ctrl */ - + PATA_UDMA_TIMING = 0xB3, /* PATA timing for DMA/ cable detect */ + PATA_PIO_TIMING = 0xAB, /* PATA timing register */ + PORT0 = (1 << 1), PORT1 = (1 << 0), ALL_PORTS = PORT0 | PORT1, - N_PORTS = 2, + PATA_PORT = 2, /* PATA is port 2 */ + N_PORTS = 3, NATIVE_MODE_ALL = (1 << 7) | (1 << 6) | (1 << 5) | (1 << 4), @@ -76,6 +78,11 @@ static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg); static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); static void svia_noop_freeze(struct ata_port *ap); static void vt6420_error_handler(struct ata_port *ap); +static void vt6421_sata_error_handler(struct ata_port *ap); +static void vt6421_pata_error_handler(struct ata_port *ap); +static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev); +static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev); +static int vt6421_port_start(struct ata_port *ap); static const struct pci_device_id svia_pci_tbl[] = { { PCI_VDEVICE(VIA, 0x5337), vt6420 }, @@ -127,7 +134,7 @@ static const struct ata_port_operations vt6420_sata_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = svia_noop_freeze, .thaw = ata_bmdma_thaw, @@ -136,15 +143,49 @@ static const struct ata_port_operations vt6420_sata_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, }; -static const struct ata_port_operations vt6421_sata_ops = { +static const struct ata_port_operations vt6421_pata_ops = { .port_disable = ata_port_disable, + + .set_piomode = vt6421_set_pio_mode, + .set_dmamode = vt6421_set_dma_mode, + + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .bmdma_setup = ata_bmdma_setup, + .bmdma_start = ata_bmdma_start, + .bmdma_stop = ata_bmdma_stop, + .bmdma_status = ata_bmdma_status, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .data_xfer = ata_data_xfer, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = vt6421_pata_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, + + .port_start = vt6421_port_start, +}; + +static const struct ata_port_operations vt6421_sata_ops = { + .port_disable = ata_port_disable, + .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -158,22 +199,22 @@ static const struct ata_port_operations vt6421_sata_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_pio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, - .error_handler = ata_bmdma_error_handler, + .error_handler = vt6421_sata_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = svia_scr_read, .scr_write = svia_scr_write, - .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_host_stop, + .port_start = vt6421_port_start, }; static struct ata_port_info vt6420_port_info = { @@ -195,14 +236,14 @@ static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg) { if (sc_reg > SCR_CONTROL) return 0xffffffffU; - return inl(ap->ioaddr.scr_addr + (4 * sc_reg)); + return ioread32(ap->ioaddr.scr_addr + (4 * sc_reg)); } static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { if (sc_reg > SCR_CONTROL) return; - outl(val, ap->ioaddr.scr_addr + (4 * sc_reg)); + iowrite32(val, ap->ioaddr.scr_addr + (4 * sc_reg)); } static void svia_noop_freeze(struct ata_port *ap) @@ -289,6 +330,61 @@ static void vt6420_error_handler(struct ata_port *ap) NULL, ata_std_postreset); } +static int vt6421_pata_prereset(struct ata_port *ap) +{ + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + u8 tmp; + + pci_read_config_byte(pdev, PATA_UDMA_TIMING, &tmp); + if (tmp & 0x10) + ap->cbl = ATA_CBL_PATA40; + else + ap->cbl = ATA_CBL_PATA80; + return 0; +} + +static void vt6421_pata_error_handler(struct ata_port *ap) +{ + return ata_bmdma_drive_eh(ap, vt6421_pata_prereset, ata_std_softreset, + NULL, ata_std_postreset); +} + +static int vt6421_sata_prereset(struct ata_port *ap) +{ + ap->cbl = ATA_CBL_SATA; + return 0; +} + +static void vt6421_sata_error_handler(struct ata_port *ap) +{ + return ata_bmdma_drive_eh(ap, vt6421_sata_prereset, ata_std_softreset, + NULL, ata_std_postreset); +} + +static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev) +{ + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + static const u8 pio_bits[] = { 0xA8, 0x65, 0x65, 0x31, 0x20 }; + pci_write_config_byte(pdev, PATA_PIO_TIMING, pio_bits[adev->pio_mode - XFER_PIO_0]); +} + +static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev) +{ + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + static const u8 udma_bits[] = { 0xEE, 0xE8, 0xE6, 0xE4, 0xE2, 0xE1, 0xE0, 0xE0 }; + pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->pio_mode - XFER_UDMA_0]); +} + +static int vt6421_port_start(struct ata_port *ap) +{ + if (ap->port_no == PATA_PORT) { + ap->ops = &vt6421_pata_ops; + ap->mwdma_mask = 0; + ap->flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST; + } + return ata_port_start(ap); +} + static const unsigned int svia_bar_sizes[] = { 8, 4, 8, 4, 16, 256 }; @@ -297,31 +393,28 @@ static const unsigned int vt6421_bar_sizes[] = { 16, 16, 16, 16, 32, 128 }; -static unsigned long svia_scr_addr(unsigned long addr, unsigned int port) +static void __iomem * svia_scr_addr(void __iomem *addr, unsigned int port) { return addr + (port * 128); } -static unsigned long vt6421_scr_addr(unsigned long addr, unsigned int port) +static void __iomem * vt6421_scr_addr(void __iomem *addr, unsigned int port) { return addr + (port * 64); } static void vt6421_init_addrs(struct ata_probe_ent *probe_ent, - struct pci_dev *pdev, - unsigned int port) + void __iomem * const *iomap, unsigned int port) { - unsigned long reg_addr = pci_resource_start(pdev, port); - unsigned long bmdma_addr = pci_resource_start(pdev, 4) + (port * 8); - unsigned long scr_addr; + void __iomem *reg_addr = iomap[port]; + void __iomem *bmdma_addr = iomap[4] + (port * 8); probe_ent->port[port].cmd_addr = reg_addr; probe_ent->port[port].altstatus_addr = - probe_ent->port[port].ctl_addr = (reg_addr + 8) | ATA_PCI_CTL_OFS; + probe_ent->port[port].ctl_addr = (void __iomem *) + ((unsigned long)(reg_addr + 8) | ATA_PCI_CTL_OFS); probe_ent->port[port].bmdma_addr = bmdma_addr; - - scr_addr = vt6421_scr_addr(pci_resource_start(pdev, 5), port); - probe_ent->port[port].scr_addr = scr_addr; + probe_ent->port[port].scr_addr = vt6421_scr_addr(iomap[5], port); ata_std_ports(&probe_ent->port[port]); } @@ -330,16 +423,16 @@ static struct ata_probe_ent *vt6420_init_probe_ent(struct pci_dev *pdev) { struct ata_probe_ent *probe_ent; struct ata_port_info *ppi[2]; - + void __iomem * const *iomap; + ppi[0] = ppi[1] = &vt6420_port_info; probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); if (!probe_ent) return NULL; - probe_ent->port[0].scr_addr = - svia_scr_addr(pci_resource_start(pdev, 5), 0); - probe_ent->port[1].scr_addr = - svia_scr_addr(pci_resource_start(pdev, 5), 1); + iomap = pcim_iomap_table(pdev); + probe_ent->port[0].scr_addr = svia_scr_addr(iomap[5], 0); + probe_ent->port[1].scr_addr = svia_scr_addr(iomap[5], 1); return probe_ent; } @@ -349,7 +442,7 @@ static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev) struct ata_probe_ent *probe_ent; unsigned int i; - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); if (!probe_ent) return NULL; @@ -368,7 +461,7 @@ static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev) probe_ent->udma_mask = 0x7f; for (i = 0; i < N_PORTS; i++) - vt6421_init_addrs(probe_ent, pdev, i); + vt6421_init_addrs(probe_ent, pcim_iomap_table(pdev), i); return probe_ent; } @@ -420,20 +513,19 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) struct ata_probe_ent *probe_ent; int board_id = (int) ent->driver_data; const int *bar_sizes; - int pci_dev_busy = 0; u8 tmp8; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; - rc = pci_request_regions(pdev, DRV_NAME); + rc = pcim_iomap_regions(pdev, 0x1f, DRV_NAME); if (rc) { - pci_dev_busy = 1; - goto err_out; + pcim_pin_device(pdev); + return rc; } if (board_id == vt6420) { @@ -442,8 +534,7 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev_printk(KERN_ERR, &pdev->dev, "SATA master/slave not supported (0x%x)\n", (int) tmp8); - rc = -EIO; - goto err_out_regions; + return -EIO; } bar_sizes = &svia_bar_sizes[0]; @@ -459,16 +550,15 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) i, (unsigned long long)pci_resource_start(pdev, i), (unsigned long long)pci_resource_len(pdev, i)); - rc = -ENODEV; - goto err_out_regions; + return -ENODEV; } rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); if (rc) - goto err_out_regions; + return rc; if (board_id == vt6420) probe_ent = vt6420_init_probe_ent(pdev); @@ -477,26 +567,18 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (!probe_ent) { dev_printk(KERN_ERR, &pdev->dev, "out of memory\n"); - rc = -ENOMEM; - goto err_out_regions; + return -ENOMEM; } svia_configure(pdev); pci_set_master(pdev); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; - -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; } static int __init svia_init(void) @@ -511,4 +593,3 @@ static void __exit svia_exit(void) module_init(svia_init); module_exit(svia_exit); - diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c index 0fa1b89f76d..3d9daf23111 100644 --- a/drivers/ata/sata_vsc.c +++ b/drivers/ata/sata_vsc.c @@ -50,6 +50,8 @@ #define DRV_VERSION "2.0" enum { + VSC_MMIO_BAR = 0, + /* Interrupt register offsets (from chip base address) */ VSC_SATA_INT_STAT_OFFSET = 0x00, VSC_SATA_INT_MASK_OFFSET = 0x04, @@ -96,7 +98,6 @@ enum { VSC_SATA_INT_PHY_CHANGE), }; - #define is_vsc_sata_int_err(port_idx, int_status) \ (int_status & (VSC_SATA_INT_ERROR << (8 * port_idx))) @@ -105,7 +106,7 @@ static u32 vsc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) { if (sc_reg > SCR_CONTROL) return 0xffffffffU; - return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + return readl(ap->ioaddr.scr_addr + (sc_reg * 4)); } @@ -114,7 +115,7 @@ static void vsc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, { if (sc_reg > SCR_CONTROL) return; - writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + writel(val, ap->ioaddr.scr_addr + (sc_reg * 4)); } @@ -123,7 +124,7 @@ static void vsc_intr_mask_update(struct ata_port *ap, u8 ctl) void __iomem *mask_addr; u8 mask; - mask_addr = ap->host->mmio_base + + mask_addr = ap->host->iomap[VSC_MMIO_BAR] + VSC_SATA_INT_MASK_OFFSET + ap->port_no; mask = readb(mask_addr); if (ctl & ATA_NIEN) @@ -150,25 +151,25 @@ static void vsc_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { writew(tf->feature | (((u16)tf->hob_feature) << 8), - (void __iomem *) ioaddr->feature_addr); + ioaddr->feature_addr); writew(tf->nsect | (((u16)tf->hob_nsect) << 8), - (void __iomem *) ioaddr->nsect_addr); + ioaddr->nsect_addr); writew(tf->lbal | (((u16)tf->hob_lbal) << 8), - (void __iomem *) ioaddr->lbal_addr); + ioaddr->lbal_addr); writew(tf->lbam | (((u16)tf->hob_lbam) << 8), - (void __iomem *) ioaddr->lbam_addr); + ioaddr->lbam_addr); writew(tf->lbah | (((u16)tf->hob_lbah) << 8), - (void __iomem *) ioaddr->lbah_addr); + ioaddr->lbah_addr); } else if (is_addr) { - writew(tf->feature, (void __iomem *) ioaddr->feature_addr); - writew(tf->nsect, (void __iomem *) ioaddr->nsect_addr); - writew(tf->lbal, (void __iomem *) ioaddr->lbal_addr); - writew(tf->lbam, (void __iomem *) ioaddr->lbam_addr); - writew(tf->lbah, (void __iomem *) ioaddr->lbah_addr); + writew(tf->feature, ioaddr->feature_addr); + writew(tf->nsect, ioaddr->nsect_addr); + writew(tf->lbal, ioaddr->lbal_addr); + writew(tf->lbam, ioaddr->lbam_addr); + writew(tf->lbah, ioaddr->lbah_addr); } if (tf->flags & ATA_TFLAG_DEVICE) - writeb(tf->device, (void __iomem *) ioaddr->device_addr); + writeb(tf->device, ioaddr->device_addr); ata_wait_idle(ap); } @@ -180,12 +181,12 @@ static void vsc_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) u16 nsect, lbal, lbam, lbah, feature; tf->command = ata_check_status(ap); - tf->device = readw((void __iomem *) ioaddr->device_addr); - feature = readw((void __iomem *) ioaddr->error_addr); - nsect = readw((void __iomem *) ioaddr->nsect_addr); - lbal = readw((void __iomem *) ioaddr->lbal_addr); - lbam = readw((void __iomem *) ioaddr->lbam_addr); - lbah = readw((void __iomem *) ioaddr->lbah_addr); + tf->device = readw(ioaddr->device_addr); + feature = readw(ioaddr->error_addr); + nsect = readw(ioaddr->nsect_addr); + lbal = readw(ioaddr->lbal_addr); + lbam = readw(ioaddr->lbam_addr); + lbah = readw(ioaddr->lbah_addr); tf->feature = feature; tf->nsect = nsect; @@ -217,7 +218,8 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance) spin_lock(&host->lock); - int_status = readl(host->mmio_base + VSC_SATA_INT_STAT_OFFSET); + int_status = readl(host->iomap[VSC_MMIO_BAR] + + VSC_SATA_INT_STAT_OFFSET); for (i = 0; i < host->n_ports; i++) { if (int_status & ((u32) 0xFF << (8 * i))) { @@ -301,21 +303,22 @@ static const struct ata_port_operations vsc_sata_ops = { .bmdma_status = ata_bmdma_status, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_mmio_data_xfer, + .data_xfer = ata_data_xfer, .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, .irq_handler = vsc_sata_interrupt, .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + .irq_ack = ata_irq_ack, .scr_read = vsc_sata_scr_read, .scr_write = vsc_sata_scr_write, .port_start = ata_port_start, - .port_stop = ata_port_stop, - .host_stop = ata_pci_host_stop, }; -static void __devinit vsc_sata_setup_port(struct ata_ioports *port, unsigned long base) +static void __devinit vsc_sata_setup_port(struct ata_ioports *port, + void __iomem *base) { port->cmd_addr = base + VSC_SATA_TF_CMD_OFFSET; port->data_addr = base + VSC_SATA_TF_DATA_OFFSET; @@ -332,80 +335,70 @@ static void __devinit vsc_sata_setup_port(struct ata_ioports *port, unsigned lon port->ctl_addr = base + VSC_SATA_TF_CTL_OFFSET; port->bmdma_addr = base + VSC_SATA_DMA_CMD_OFFSET; port->scr_addr = base + VSC_SATA_SCR_STATUS_OFFSET; - writel(0, (void __iomem *) base + VSC_SATA_UP_DESCRIPTOR_OFFSET); - writel(0, (void __iomem *) base + VSC_SATA_UP_DATA_BUFFER_OFFSET); + writel(0, base + VSC_SATA_UP_DESCRIPTOR_OFFSET); + writel(0, base + VSC_SATA_UP_DATA_BUFFER_OFFSET); } static int __devinit vsc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_probe_ent *probe_ent = NULL; - unsigned long base; - int pci_dev_busy = 0; + struct ata_probe_ent *probe_ent; void __iomem *mmio_base; int rc; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) return rc; /* * Check if we have needed resource mapped. */ - if (pci_resource_len(pdev, 0) == 0) { - rc = -ENODEV; - goto err_out; - } + if (pci_resource_len(pdev, 0) == 0) + return -ENODEV; - rc = pci_request_regions(pdev, DRV_NAME); - if (rc) { - pci_dev_busy = 1; - goto err_out; - } + rc = pcim_iomap_regions(pdev, 1 << VSC_MMIO_BAR, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; /* * Use 32 bit DMA mask, because 64 bit address support is poor. */ rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); if (rc) - goto err_out_regions; + return rc; rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); if (rc) - goto err_out_regions; + return rc; - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); - if (probe_ent == NULL) { - rc = -ENOMEM; - goto err_out_regions; - } - memset(probe_ent, 0, sizeof(*probe_ent)); + probe_ent = devm_kzalloc(&pdev->dev, sizeof(*probe_ent), GFP_KERNEL); + if (probe_ent == NULL) + return -ENOMEM; probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); - mmio_base = pci_iomap(pdev, 0, 0); - if (mmio_base == NULL) { - rc = -ENOMEM; - goto err_out_free_ent; - } - base = (unsigned long) mmio_base; - /* * Due to a bug in the chip, the default cache line size can't be used */ pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x80); + if (pci_enable_msi(pdev) == 0) + pci_intx(pdev, 0); + else + probe_ent->irq_flags = IRQF_SHARED; + probe_ent->sht = &vsc_sata_sht; probe_ent->port_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; probe_ent->port_ops = &vsc_sata_ops; probe_ent->n_ports = 4; probe_ent->irq = pdev->irq; - probe_ent->irq_flags = IRQF_SHARED; - probe_ent->mmio_base = mmio_base; + probe_ent->iomap = pcim_iomap_table(pdev); /* We don't care much about the PIO/UDMA masks, but the core won't like us * if we don't fill these @@ -414,11 +407,13 @@ static int __devinit vsc_sata_init_one (struct pci_dev *pdev, const struct pci_d probe_ent->mwdma_mask = 0x07; probe_ent->udma_mask = 0x7f; + mmio_base = probe_ent->iomap[VSC_MMIO_BAR]; + /* We have 4 ports per PCI function */ - vsc_sata_setup_port(&probe_ent->port[0], base + 1 * VSC_SATA_PORT_OFFSET); - vsc_sata_setup_port(&probe_ent->port[1], base + 2 * VSC_SATA_PORT_OFFSET); - vsc_sata_setup_port(&probe_ent->port[2], base + 3 * VSC_SATA_PORT_OFFSET); - vsc_sata_setup_port(&probe_ent->port[3], base + 4 * VSC_SATA_PORT_OFFSET); + vsc_sata_setup_port(&probe_ent->port[0], mmio_base + 1 * VSC_SATA_PORT_OFFSET); + vsc_sata_setup_port(&probe_ent->port[1], mmio_base + 2 * VSC_SATA_PORT_OFFSET); + vsc_sata_setup_port(&probe_ent->port[2], mmio_base + 3 * VSC_SATA_PORT_OFFSET); + vsc_sata_setup_port(&probe_ent->port[3], mmio_base + 4 * VSC_SATA_PORT_OFFSET); pci_set_master(pdev); @@ -430,20 +425,11 @@ static int __devinit vsc_sata_init_one (struct pci_dev *pdev, const struct pci_d */ pci_write_config_dword(pdev, 0x98, 0); - /* FIXME: check ata_device_add return value */ - ata_device_add(probe_ent); - kfree(probe_ent); + if (!ata_device_add(probe_ent)) + return -ENODEV; + devm_kfree(&pdev->dev, probe_ent); return 0; - -err_out_free_ent: - kfree(probe_ent); -err_out_regions: - pci_release_regions(pdev); -err_out: - if (!pci_dev_busy) - pci_disable_device(pdev); - return rc; } static const struct pci_device_id vsc_sata_pci_tbl[] = { |