diff options
Diffstat (limited to 'drivers/ata')
51 files changed, 3803 insertions, 1640 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index ba63619ae5d..ba8f7f4dfa1 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -69,7 +69,7 @@ config ATA_PIIX config SATA_MV tristate "Marvell SATA support (HIGHLY EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL + depends on EXPERIMENTAL help This option enables support for the Marvell Serial ATA family. Currently supports 88SX[56]0[48][01] chips. @@ -184,7 +184,7 @@ config PATA_ACPI config SATA_FSL tristate "Freescale 3.0Gbps SATA support" - depends on PPC_MPC837x + depends on FSL_SOC help This option enables support for Freescale 3.0Gbps SATA controller. It can be found on MPC837x and MPC8315. @@ -459,6 +459,15 @@ config PATA_NETCELL If unsure, say N. +config PATA_NINJA32 + tristate "Ninja32/Delkin Cardbus ATA support (Experimental)" + depends on PCI && EXPERIMENTAL + help + This option enables support for the Ninja32, Delkin and + possibly other brands of Cardbus ATA adapter + + If unsure, say N. + config PATA_NS87410 tristate "Nat Semi NS87410 PATA support (Experimental)" depends on PCI && EXPERIMENTAL @@ -607,13 +616,23 @@ config PATA_WINBOND_VLB config PATA_PLATFORM tristate "Generic platform device PATA support" - depends on EMBEDDED || ARCH_RPC + depends on EMBEDDED || ARCH_RPC || PPC help This option enables support for generic directly connected ATA devices commonly found on embedded systems. If unsure, say N. +config PATA_OF_PLATFORM + tristate "OpenFirmware platform device PATA support" + depends on PATA_PLATFORM && PPC_OF + help + This option enables support for generic directly connected ATA + devices commonly found on embedded systems with OpenFirmware + bindings. + + If unsure, say N. + config PATA_ICSIDE tristate "Acorn ICS PATA support" depends on ARM && ARCH_ACORN diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index b13feb2c5da..701651e37c8 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -41,6 +41,7 @@ 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-$(CONFIG_PATA_NINJA32) += pata_ninja32.o obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o obj-$(CONFIG_PATA_NS87415) += pata_ns87415.o obj-$(CONFIG_PATA_OPTI) += pata_opti.o @@ -67,6 +68,7 @@ obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o obj-$(CONFIG_PATA_SCC) += pata_scc.o obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o +obj-$(CONFIG_PATA_OF_PLATFORM) += pata_of_platform.o obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o # Should be last but two libata driver obj-$(CONFIG_PATA_ACPI) += pata_acpi.o diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 54f38c21dd9..29e71bddd6f 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -198,18 +198,18 @@ enum { }; struct ahci_cmd_hdr { - u32 opts; - u32 status; - u32 tbl_addr; - u32 tbl_addr_hi; - u32 reserved[4]; + __le32 opts; + __le32 status; + __le32 tbl_addr; + __le32 tbl_addr_hi; + __le32 reserved[4]; }; struct ahci_sg { - u32 addr; - u32 addr_hi; - u32 reserved; - u32 flags_size; + __le32 addr; + __le32 addr_hi; + __le32 reserved; + __le32 flags_size; }; struct ahci_host_priv { @@ -475,6 +475,8 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */ { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */ { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */ + { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */ + { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -597,6 +599,20 @@ static inline void __iomem *ahci_port_base(struct ata_port *ap) return __ahci_port_base(ap->host, ap->port_no); } +static void ahci_enable_ahci(void __iomem *mmio) +{ + u32 tmp; + + /* turn on AHCI_EN */ + tmp = readl(mmio + HOST_CTL); + if (!(tmp & HOST_AHCI_EN)) { + tmp |= HOST_AHCI_EN; + writel(tmp, mmio + HOST_CTL); + tmp = readl(mmio + HOST_CTL); /* flush && sanity check */ + WARN_ON(!(tmp & HOST_AHCI_EN)); + } +} + /** * ahci_save_initial_config - Save and fixup initial config values * @pdev: target PCI device @@ -619,6 +635,9 @@ static void ahci_save_initial_config(struct pci_dev *pdev, u32 cap, port_map; int i; + /* make sure AHCI mode is enabled before accessing CAP */ + ahci_enable_ahci(mmio); + /* Values prefixed with saved_ are written back to host after * reset. Values without are used for driver operation. */ @@ -660,24 +679,20 @@ static void ahci_save_initial_config(struct pci_dev *pdev, /* cross check port_map and cap.n_ports */ if (port_map) { - u32 tmp_port_map = port_map; - int n_ports = ahci_nr_ports(cap); + int map_ports = 0; - for (i = 0; i < AHCI_MAX_PORTS && n_ports; i++) { - if (tmp_port_map & (1 << i)) { - n_ports--; - tmp_port_map &= ~(1 << i); - } - } + for (i = 0; i < AHCI_MAX_PORTS; i++) + if (port_map & (1 << i)) + map_ports++; - /* If n_ports and port_map are inconsistent, whine and - * clear port_map and let it be generated from n_ports. + /* If PI has more ports than n_ports, whine, clear + * port_map and let it be generated from n_ports. */ - if (n_ports || tmp_port_map) { + if (map_ports > ahci_nr_ports(cap)) { dev_printk(KERN_WARNING, &pdev->dev, - "nr_ports (%u) and implemented port map " - "(0x%x) don't match, using nr_ports\n", - ahci_nr_ports(cap), port_map); + "implemented port map (0x%x) contains more " + "ports than nr_ports (%u), using nr_ports\n", + port_map, ahci_nr_ports(cap)); port_map = 0; } } @@ -1036,19 +1051,17 @@ static int ahci_deinit_port(struct ata_port *ap, const char **emsg) static int ahci_reset_controller(struct ata_host *host) { struct pci_dev *pdev = to_pci_dev(host->dev); + struct ahci_host_priv *hpriv = host->private_data; void __iomem *mmio = host->iomap[AHCI_PCI_BAR]; u32 tmp; /* we must be in AHCI mode, before using anything * AHCI-specific, such as HOST_RESET. */ - tmp = readl(mmio + HOST_CTL); - if (!(tmp & HOST_AHCI_EN)) { - tmp |= HOST_AHCI_EN; - writel(tmp, mmio + HOST_CTL); - } + ahci_enable_ahci(mmio); /* global controller reset */ + tmp = readl(mmio + HOST_CTL); if ((tmp & HOST_RESET) == 0) { writel(tmp | HOST_RESET, mmio + HOST_CTL); readl(mmio + HOST_CTL); /* flush */ @@ -1067,8 +1080,7 @@ static int ahci_reset_controller(struct ata_host *host) } /* turn on AHCI mode */ - writel(HOST_AHCI_EN, mmio + HOST_CTL); - (void) readl(mmio + HOST_CTL); /* flush */ + ahci_enable_ahci(mmio); /* some registers might be cleared on reset. restore initial values */ ahci_restore_initial_config(host); @@ -1078,8 +1090,10 @@ static int ahci_reset_controller(struct ata_host *host) /* configure PCS */ pci_read_config_word(pdev, 0x92, &tmp16); - tmp16 |= 0xf; - pci_write_config_word(pdev, 0x92, tmp16); + if ((tmp16 & hpriv->port_map) != hpriv->port_map) { + tmp16 |= hpriv->port_map; + pci_write_config_word(pdev, 0x92, tmp16); + } } return 0; @@ -1480,35 +1494,31 @@ static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf) static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl) { struct scatterlist *sg; - struct ahci_sg *ahci_sg; - unsigned int n_sg = 0; + struct ahci_sg *ahci_sg = cmd_tbl + AHCI_CMD_TBL_HDR_SZ; + unsigned int si; VPRINTK("ENTER\n"); /* * Next, the S/G list. */ - ahci_sg = cmd_tbl + AHCI_CMD_TBL_HDR_SZ; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { dma_addr_t addr = sg_dma_address(sg); u32 sg_len = sg_dma_len(sg); - ahci_sg->addr = cpu_to_le32(addr & 0xffffffff); - ahci_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16); - ahci_sg->flags_size = cpu_to_le32(sg_len - 1); - - ahci_sg++; - n_sg++; + ahci_sg[si].addr = cpu_to_le32(addr & 0xffffffff); + ahci_sg[si].addr_hi = cpu_to_le32((addr >> 16) >> 16); + ahci_sg[si].flags_size = cpu_to_le32(sg_len - 1); } - return n_sg; + return si; } static void ahci_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct ahci_port_priv *pp = ap->private_data; - int is_atapi = is_atapi_taskfile(&qc->tf); + int is_atapi = ata_is_atapi(qc->tf.protocol); void *cmd_tbl; u32 opts; const u32 cmd_fis_len = 5; /* five dwords */ @@ -2187,7 +2197,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) struct device *dev = &pdev->dev; struct ahci_host_priv *hpriv; struct ata_host *host; - int i, rc; + int n_ports, i, rc; VPRINTK("ENTER\n"); @@ -2241,7 +2251,14 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (hpriv->cap & HOST_CAP_PMP) pi.flags |= ATA_FLAG_PMP; - host = ata_host_alloc_pinfo(&pdev->dev, ppi, fls(hpriv->port_map)); + /* CAP.NP sometimes indicate the index of the last enabled + * port, at other times, that of the last possible port, so + * determining the maximum port number requires looking at + * both CAP.NP and port_map. + */ + n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map)); + + host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); if (!host) return -ENOMEM; host->iomap = pcim_iomap_table(pdev); diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 90329982bef..20534202fc7 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -26,7 +26,7 @@ #include <linux/libata.h> #define DRV_NAME "ata_generic" -#define DRV_VERSION "0.2.13" +#define DRV_VERSION "0.2.15" /* * A generic parallel ATA driver using libata @@ -48,27 +48,47 @@ static int generic_set_mode(struct ata_link *link, struct ata_device **unused) struct ata_port *ap = link->ap; int dma_enabled = 0; struct ata_device *dev; + struct pci_dev *pdev = to_pci_dev(ap->host->dev); /* Bits 5 and 6 indicate if DMA is active on master/slave */ if (ap->ioaddr.bmdma_addr) dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + if (pdev->vendor == PCI_VENDOR_ID_CENATEK) + dma_enabled = 0xFF; + ata_link_for_each_dev(dev, link) { - if (ata_dev_enabled(dev)) { - /* We don't really care */ - dev->pio_mode = XFER_PIO_0; - dev->dma_mode = XFER_MW_DMA_0; - /* We do need the right mode information for DMA or PIO - and this comes from the current configuration flags */ - if (dma_enabled & (1 << (5 + dev->devno))) { - ata_id_to_dma_mode(dev, XFER_MW_DMA_0); - dev->flags &= ~ATA_DFLAG_PIO; - } else { - ata_dev_printk(dev, KERN_INFO, "configured for PIO\n"); - dev->xfer_mode = XFER_PIO_0; - dev->xfer_shift = ATA_SHIFT_PIO; - dev->flags |= ATA_DFLAG_PIO; + if (!ata_dev_enabled(dev)) + continue; + + /* We don't really care */ + dev->pio_mode = XFER_PIO_0; + dev->dma_mode = XFER_MW_DMA_0; + /* We do need the right mode information for DMA or PIO + and this comes from the current configuration flags */ + if (dma_enabled & (1 << (5 + dev->devno))) { + unsigned int xfer_mask = ata_id_xfermask(dev->id); + const char *name; + + if (xfer_mask & (ATA_MASK_MWDMA | ATA_MASK_UDMA)) + name = ata_mode_string(xfer_mask); + else { + /* SWDMA perhaps? */ + name = "DMA"; + xfer_mask |= ata_xfer_mode2mask(XFER_MW_DMA_0); } + + ata_dev_printk(dev, KERN_INFO, "configured for %s\n", + name); + + dev->xfer_mode = ata_xfer_mask2mode(xfer_mask); + dev->xfer_shift = ata_xfer_mode2shift(dev->xfer_mode); + dev->flags &= ~ATA_DFLAG_PIO; + } else { + ata_dev_printk(dev, KERN_INFO, "configured for PIO\n"); + dev->xfer_mode = XFER_PIO_0; + dev->xfer_shift = ATA_SHIFT_PIO; + dev->flags |= ATA_DFLAG_PIO; } } return 0; @@ -185,6 +205,7 @@ static struct pci_device_id ata_generic[] = { { PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), }, { PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), }, + { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), }, diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index bb62a588f48..9c2515f67de 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -101,38 +101,21 @@ enum { ICH5_PMR = 0x90, /* port mapping register */ ICH5_PCS = 0x92, /* port control and status */ PIIX_SCC = 0x0A, /* sub-class code register */ + PIIX_SIDPR_BAR = 5, + PIIX_SIDPR_LEN = 16, + PIIX_SIDPR_IDX = 0, + PIIX_SIDPR_DATA = 4, - PIIX_FLAG_SCR = (1 << 26), /* SCR available */ PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */ PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */ + PIIX_FLAG_SIDPR = (1 << 29), /* SATA idx/data pair regs */ PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS, PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR, - /* combined mode. if set, PATA is channel 0. - * if clear, PATA is channel 1. - */ - PIIX_PORT_ENABLED = (1 << 0), - PIIX_PORT_PRESENT = (1 << 4), - PIIX_80C_PRI = (1 << 5) | (1 << 4), PIIX_80C_SEC = (1 << 7) | (1 << 6), - /* controller IDs */ - piix_pata_mwdma = 0, /* PIIX3 MWDMA only */ - piix_pata_33, /* PIIX4 at 33Mhz */ - ich_pata_33, /* ICH up to UDMA 33 only */ - ich_pata_66, /* ICH up to 66 Mhz */ - ich_pata_100, /* ICH up to UDMA 100 */ - ich5_sata, - ich6_sata, - ich6_sata_ahci, - ich6m_sata_ahci, - ich8_sata_ahci, - ich8_2port_sata, - ich8m_apple_sata_ahci, /* locks up on second port enable */ - tolapai_sata_ahci, - /* constants for mapping table */ P0 = 0, /* port 0 */ P1 = 1, /* port 1 */ @@ -148,6 +131,24 @@ enum { PIIX_HOST_BROKEN_SUSPEND = (1 << 24), }; +enum piix_controller_ids { + /* controller IDs */ + piix_pata_mwdma, /* PIIX3 MWDMA only */ + piix_pata_33, /* PIIX4 at 33Mhz */ + ich_pata_33, /* ICH up to UDMA 33 only */ + ich_pata_66, /* ICH up to 66 Mhz */ + ich_pata_100, /* ICH up to UDMA 100 */ + ich5_sata, + ich6_sata, + ich6_sata_ahci, + ich6m_sata_ahci, + ich8_sata_ahci, + ich8_2port_sata, + ich8m_apple_sata_ahci, /* locks up on second port enable */ + tolapai_sata_ahci, + piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ +}; + struct piix_map_db { const u32 mask; const u16 port_enable; @@ -156,6 +157,7 @@ struct piix_map_db { struct piix_host_priv { const int *map; + void __iomem *sidpr; }; static int piix_init_one(struct pci_dev *pdev, @@ -165,6 +167,10 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev); static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev); static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev); static int ich_pata_cable_detect(struct ata_port *ap); +static u8 piix_vmw_bmdma_status(struct ata_port *ap); +static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val); +static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val); +static void piix_sidpr_error_handler(struct ata_port *ap); #ifdef CONFIG_PM static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); static int piix_pci_device_resume(struct pci_dev *pdev); @@ -175,6 +181,8 @@ static unsigned int in_module_init = 1; static const struct pci_device_id piix_pci_tbl[] = { /* Intel PIIX3 for the 430HX etc */ { 0x8086, 0x7010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_mwdma }, + /* VMware ICH4 */ + { 0x8086, 0x7111, 0x15ad, 0x1976, 0, 0, piix_pata_vmw }, /* 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 }, @@ -259,6 +267,14 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, /* SATA Controller IDE (Tolapai) */ { 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata_ahci }, + /* SATA Controller IDE (ICH10) */ + { 0x8086, 0x3a00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH10) */ + { 0x8086, 0x3a06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (ICH10) */ + { 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (ICH10) */ + { 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, { } /* terminate list */ }; @@ -317,7 +333,6 @@ static const struct ata_port_operations piix_pata_ops = { .post_internal_cmd = ata_bmdma_post_internal_cmd, .cable_detect = ata_cable_40wire, - .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, @@ -349,7 +364,6 @@ static const struct ata_port_operations ich_pata_ops = { .post_internal_cmd = ata_bmdma_post_internal_cmd, .cable_detect = ich_pata_cable_detect, - .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, @@ -376,6 +390,37 @@ static const struct ata_port_operations piix_sata_ops = { .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_port_start, +}; + +static const struct ata_port_operations piix_vmw_ops = { + .set_piomode = piix_set_piomode, + .set_dmamode = piix_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, + + .bmdma_setup = ata_bmdma_setup, + .bmdma_start = ata_bmdma_start, + .bmdma_stop = ata_bmdma_stop, + .bmdma_status = piix_vmw_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 = piix_pata_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, @@ -383,6 +428,35 @@ static const struct ata_port_operations piix_sata_ops = { .port_start = ata_port_start, }; +static const struct ata_port_operations piix_sidpr_sata_ops = { + .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, + + .scr_read = piix_sidpr_scr_read, + .scr_write = piix_sidpr_scr_write, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = piix_sidpr_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_port_start, +}; + static const struct piix_map_db ich5_map_db = { .mask = 0x7, .port_enable = 0x3, @@ -490,7 +564,6 @@ static const struct piix_map_db *piix_map_db_table[] = { static struct ata_port_info piix_port_info[] = { [piix_pata_mwdma] = /* 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 */ @@ -499,7 +572,6 @@ static struct ata_port_info piix_port_info[] = { [piix_pata_33] = /* PIIX4 at 33MHz */ { - .sht = &piix_sht, .flags = PIIX_PATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ @@ -509,7 +581,6 @@ static struct ata_port_info piix_port_info[] = { [ich_pata_33] = /* ICH0 - ICH at 33Mhz*/ { - .sht = &piix_sht, .flags = PIIX_PATA_FLAGS, .pio_mask = 0x1f, /* pio 0-4 */ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ @@ -519,7 +590,6 @@ static struct ata_port_info piix_port_info[] = { [ich_pata_66] = /* ICH controllers up to 66MHz */ { - .sht = &piix_sht, .flags = PIIX_PATA_FLAGS, .pio_mask = 0x1f, /* pio 0-4 */ .mwdma_mask = 0x06, /* MWDMA0 is broken on chip */ @@ -529,7 +599,6 @@ static struct ata_port_info piix_port_info[] = { [ich_pata_100] = { - .sht = &piix_sht, .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x06, /* mwdma1-2 */ @@ -539,7 +608,6 @@ static struct ata_port_info piix_port_info[] = { [ich5_sata] = { - .sht = &piix_sht, .flags = PIIX_SATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ @@ -549,8 +617,7 @@ static struct ata_port_info piix_port_info[] = { [ich6_sata] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR, + .flags = PIIX_SATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -559,9 +626,7 @@ static struct ata_port_info piix_port_info[] = { [ich6_sata_ahci] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | - PIIX_FLAG_AHCI, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -570,9 +635,7 @@ static struct ata_port_info piix_port_info[] = { [ich6m_sata_ahci] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | - PIIX_FLAG_AHCI, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -581,9 +644,8 @@ static struct ata_port_info piix_port_info[] = { [ich8_sata_ahci] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | - PIIX_FLAG_AHCI, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI | + PIIX_FLAG_SIDPR, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -592,9 +654,8 @@ static struct ata_port_info piix_port_info[] = { [ich8_2port_sata] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | - PIIX_FLAG_AHCI, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI | + PIIX_FLAG_SIDPR, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -603,9 +664,7 @@ static struct ata_port_info piix_port_info[] = { [tolapai_sata_ahci] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | - PIIX_FLAG_AHCI, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -614,15 +673,24 @@ static struct ata_port_info piix_port_info[] = { [ich8m_apple_sata_ahci] = { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | - PIIX_FLAG_AHCI, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI | + PIIX_FLAG_SIDPR, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, .port_ops = &piix_sata_ops, }, + [piix_pata_vmw] = + { + .sht = &piix_sht, + .flags = PIIX_PATA_FLAGS, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ + .udma_mask = ATA_UDMA_MASK_40C, + .port_ops = &piix_vmw_ops, + }, + }; static struct pci_bits piix_enable_bits[] = { @@ -769,7 +837,7 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev) if (is_slave) { /* clear TIME1|IE1|PPE1|DTE1 */ master_data &= 0xff0f; - /* Enable SITRE (seperate slave timing register) */ + /* Enable SITRE (separate slave timing register) */ master_data |= 0x4000; /* enable PPE1, IE1 and TIME1 as needed */ master_data |= (control << 4); @@ -955,6 +1023,180 @@ static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev) do_pata_set_dmamode(ap, adev, 1); } +/* + * Serial ATA Index/Data Pair Superset Registers access + * + * Beginning from ICH8, there's a sane way to access SCRs using index + * and data register pair located at BAR5. This creates an + * interesting problem of mapping two SCRs to one port. + * + * Although they have separate SCRs, the master and slave aren't + * independent enough to be treated as separate links - e.g. softreset + * resets both. Also, there's no protocol defined for hard resetting + * singled device sharing the virtual port (no defined way to acquire + * device signature). This is worked around by merging the SCR values + * into one sensible value and requesting follow-up SRST after + * hardreset. + * + * SCR merging is perfomed in nibbles which is the unit contents in + * SCRs are organized. If two values are equal, the value is used. + * When they differ, merge table which lists precedence of possible + * values is consulted and the first match or the last entry when + * nothing matches is used. When there's no merge table for the + * specific nibble, value from the first port is used. + */ +static const int piix_sidx_map[] = { + [SCR_STATUS] = 0, + [SCR_ERROR] = 2, + [SCR_CONTROL] = 1, +}; + +static void piix_sidpr_sel(struct ata_device *dev, unsigned int reg) +{ + struct ata_port *ap = dev->link->ap; + struct piix_host_priv *hpriv = ap->host->private_data; + + iowrite32(((ap->port_no * 2 + dev->devno) << 8) | piix_sidx_map[reg], + hpriv->sidpr + PIIX_SIDPR_IDX); +} + +static int piix_sidpr_read(struct ata_device *dev, unsigned int reg) +{ + struct piix_host_priv *hpriv = dev->link->ap->host->private_data; + + piix_sidpr_sel(dev, reg); + return ioread32(hpriv->sidpr + PIIX_SIDPR_DATA); +} + +static void piix_sidpr_write(struct ata_device *dev, unsigned int reg, u32 val) +{ + struct piix_host_priv *hpriv = dev->link->ap->host->private_data; + + piix_sidpr_sel(dev, reg); + iowrite32(val, hpriv->sidpr + PIIX_SIDPR_DATA); +} + +static u32 piix_merge_scr(u32 val0, u32 val1, const int * const *merge_tbl) +{ + u32 val = 0; + int i, mi; + + for (i = 0, mi = 0; i < 32 / 4; i++) { + u8 c0 = (val0 >> (i * 4)) & 0xf; + u8 c1 = (val1 >> (i * 4)) & 0xf; + u8 merged = c0; + const int *cur; + + /* if no merge preference, assume the first value */ + cur = merge_tbl[mi]; + if (!cur) + goto done; + mi++; + + /* if two values equal, use it */ + if (c0 == c1) + goto done; + + /* choose the first match or the last from the merge table */ + while (*cur != -1) { + if (c0 == *cur || c1 == *cur) + break; + cur++; + } + if (*cur == -1) + cur--; + merged = *cur; + done: + val |= merged << (i * 4); + } + + return val; +} + +static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val) +{ + const int * const sstatus_merge_tbl[] = { + /* DET */ (const int []){ 1, 3, 0, 4, 3, -1 }, + /* SPD */ (const int []){ 2, 1, 0, -1 }, + /* IPM */ (const int []){ 6, 2, 1, 0, -1 }, + NULL, + }; + const int * const scontrol_merge_tbl[] = { + /* DET */ (const int []){ 1, 0, 4, 0, -1 }, + /* SPD */ (const int []){ 0, 2, 1, 0, -1 }, + /* IPM */ (const int []){ 0, 1, 2, 3, 0, -1 }, + NULL, + }; + u32 v0, v1; + + if (reg >= ARRAY_SIZE(piix_sidx_map)) + return -EINVAL; + + if (!(ap->flags & ATA_FLAG_SLAVE_POSS)) { + *val = piix_sidpr_read(&ap->link.device[0], reg); + return 0; + } + + v0 = piix_sidpr_read(&ap->link.device[0], reg); + v1 = piix_sidpr_read(&ap->link.device[1], reg); + + switch (reg) { + case SCR_STATUS: + *val = piix_merge_scr(v0, v1, sstatus_merge_tbl); + break; + case SCR_ERROR: + *val = v0 | v1; + break; + case SCR_CONTROL: + *val = piix_merge_scr(v0, v1, scontrol_merge_tbl); + break; + } + + return 0; +} + +static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val) +{ + if (reg >= ARRAY_SIZE(piix_sidx_map)) + return -EINVAL; + + piix_sidpr_write(&ap->link.device[0], reg, val); + + if (ap->flags & ATA_FLAG_SLAVE_POSS) + piix_sidpr_write(&ap->link.device[1], reg, val); + + return 0; +} + +static int piix_sidpr_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context); + int rc; + + /* do hardreset */ + rc = sata_link_hardreset(link, timing, deadline); + if (rc) { + ata_link_printk(link, KERN_ERR, + "COMRESET failed (errno=%d)\n", rc); + return rc; + } + + /* TODO: phy layer with polling, timeouts, etc. */ + if (ata_link_offline(link)) { + *class = ATA_DEV_NONE; + return 0; + } + + return -EAGAIN; +} + +static void piix_sidpr_error_handler(struct ata_port *ap) +{ + ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, + piix_sidpr_hardreset, ata_std_postreset); +} + #ifdef CONFIG_PM static int piix_broken_suspend(void) { @@ -988,6 +1230,13 @@ static int piix_broken_suspend(void) }, }, { + .ident = "TECRA M6", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M6"), + }, + }, + { .ident = "TECRA M7", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), @@ -1002,6 +1251,13 @@ static int piix_broken_suspend(void) }, }, { + .ident = "Satellite R20", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite R20"), + }, + }, + { .ident = "Satellite R25", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), @@ -1135,6 +1391,11 @@ static int piix_pci_device_resume(struct pci_dev *pdev) } #endif +static u8 piix_vmw_bmdma_status(struct ata_port *ap) +{ + return ata_bmdma_status(ap) & ~ATA_DMA_ERR; +} + #define AHCI_PCI_BAR 5 #define AHCI_GLOBAL_CTL 0x04 #define AHCI_ENABLE (1 << 31) @@ -1202,10 +1463,10 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev) return no_piix_dma; } -static void __devinit piix_init_pcs(struct pci_dev *pdev, - struct ata_port_info *pinfo, +static void __devinit piix_init_pcs(struct ata_host *host, const struct piix_map_db *map_db) { + struct pci_dev *pdev = to_pci_dev(host->dev); u16 pcs, new_pcs; pci_read_config_word(pdev, ICH5_PCS, &pcs); @@ -1219,11 +1480,10 @@ static void __devinit piix_init_pcs(struct pci_dev *pdev, } } -static void __devinit piix_init_sata_map(struct pci_dev *pdev, - struct ata_port_info *pinfo, - const struct piix_map_db *map_db) +static const int *__devinit piix_init_sata_map(struct pci_dev *pdev, + struct ata_port_info *pinfo, + const struct piix_map_db *map_db) { - struct piix_host_priv *hpriv = pinfo[0].private_data; const int *map; int i, invalid_map = 0; u8 map_value; @@ -1247,7 +1507,6 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev, case IDE: WARN_ON((i & 1) || map[i + 1] != IDE); pinfo[i / 2] = piix_port_info[ich_pata_100]; - pinfo[i / 2].private_data = hpriv; i++; printk(" IDE IDE"); break; @@ -1265,7 +1524,33 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev, dev_printk(KERN_ERR, &pdev->dev, "invalid MAP value %u\n", map_value); - hpriv->map = map; + return map; +} + +static void __devinit piix_init_sidpr(struct ata_host *host) +{ + struct pci_dev *pdev = to_pci_dev(host->dev); + struct piix_host_priv *hpriv = host->private_data; + int i; + + /* check for availability */ + for (i = 0; i < 4; i++) + if (hpriv->map[i] == IDE) + return; + + if (!(host->ports[0]->flags & PIIX_FLAG_SIDPR)) + return; + + if (pci_resource_start(pdev, PIIX_SIDPR_BAR) == 0 || + pci_resource_len(pdev, PIIX_SIDPR_BAR) != PIIX_SIDPR_LEN) + return; + + if (pcim_iomap_regions(pdev, 1 << PIIX_SIDPR_BAR, DRV_NAME)) + return; + + hpriv->sidpr = pcim_iomap_table(pdev)[PIIX_SIDPR_BAR]; + host->ports[0]->ops = &piix_sidpr_sata_ops; + host->ports[1]->ops = &piix_sidpr_sata_ops; } static void piix_iocfg_bit18_quirk(struct pci_dev *pdev) @@ -1318,14 +1603,17 @@ static void piix_iocfg_bit18_quirk(struct pci_dev *pdev) * Zero on success, or -ERRNO value. */ -static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +static int __devinit 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]; const struct ata_port_info *ppi[] = { &port_info[0], &port_info[1] }; - struct piix_host_priv *hpriv; unsigned long port_flags; + struct ata_host *host; + struct piix_host_priv *hpriv; + int rc; if (!printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, @@ -1335,17 +1623,31 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (!in_module_init) return -ENODEV; + port_info[0] = piix_port_info[ent->driver_data]; + port_info[1] = piix_port_info[ent->driver_data]; + + port_flags = port_info[0].flags; + + /* enable device and prepare host */ + rc = pcim_enable_device(pdev); + if (rc) + return rc; + + /* SATA map init can change port_info, do it before prepping host */ hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); if (!hpriv) return -ENOMEM; - port_info[0] = piix_port_info[ent->driver_data]; - port_info[1] = piix_port_info[ent->driver_data]; - port_info[0].private_data = hpriv; - port_info[1].private_data = hpriv; + if (port_flags & ATA_FLAG_SATA) + hpriv->map = piix_init_sata_map(pdev, port_info, + piix_map_db_table[ent->driver_data]); - port_flags = port_info[0].flags; + rc = ata_pci_prepare_sff_host(pdev, ppi, &host); + if (rc) + return rc; + host->private_data = hpriv; + /* initialize controller */ if (port_flags & PIIX_FLAG_AHCI) { u8 tmp; pci_read_config_byte(pdev, PIIX_SCC, &tmp); @@ -1356,12 +1658,9 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } } - /* Initialize SATA map */ if (port_flags & ATA_FLAG_SATA) { - piix_init_sata_map(pdev, port_info, - piix_map_db_table[ent->driver_data]); - piix_init_pcs(pdev, port_info, - piix_map_db_table[ent->driver_data]); + piix_init_pcs(host, piix_map_db_table[ent->driver_data]); + piix_init_sidpr(host); } /* apply IOCFG bit18 quirk */ @@ -1380,12 +1679,14 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* This writes into the master table but it does not really matter for this errata as we will apply it to all the PIIX devices on the board */ - port_info[0].mwdma_mask = 0; - port_info[0].udma_mask = 0; - port_info[1].mwdma_mask = 0; - port_info[1].udma_mask = 0; + host->ports[0]->mwdma_mask = 0; + host->ports[0]->udma_mask = 0; + host->ports[1]->mwdma_mask = 0; + host->ports[1]->udma_mask = 0; } - return ata_pci_init_one(pdev, ppi); + + pci_set_master(pdev); + return ata_pci_activate_sff_host(host, ata_interrupt, &piix_sht); } static int __init piix_init(void) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 7bf4befd96b..9e8ec19260a 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -442,40 +442,77 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf) } /** + * ata_acpi_gtm_xfermode - determine xfermode from GTM parameter + * @dev: target device + * @gtm: GTM parameter to use + * + * Determine xfermask for @dev from @gtm. + * + * LOCKING: + * None. + * + * RETURNS: + * Determined xfermask. + */ +unsigned long ata_acpi_gtm_xfermask(struct ata_device *dev, + const struct ata_acpi_gtm *gtm) +{ + unsigned long xfer_mask = 0; + unsigned int type; + int unit; + u8 mode; + + /* we always use the 0 slot for crap hardware */ + unit = dev->devno; + if (!(gtm->flags & 0x10)) + unit = 0; + + /* PIO */ + mode = ata_timing_cycle2mode(ATA_SHIFT_PIO, gtm->drive[unit].pio); + xfer_mask |= ata_xfer_mode2mask(mode); + + /* See if we have MWDMA or UDMA data. We don't bother with + * MWDMA if UDMA is available as this means the BIOS set UDMA + * and our error changedown if it works is UDMA to PIO anyway. + */ + if (!(gtm->flags & (1 << (2 * unit)))) + type = ATA_SHIFT_MWDMA; + else + type = ATA_SHIFT_UDMA; + + mode = ata_timing_cycle2mode(type, gtm->drive[unit].dma); + xfer_mask |= ata_xfer_mode2mask(mode); + + return xfer_mask; +} +EXPORT_SYMBOL_GPL(ata_acpi_gtm_xfermask); + +/** * ata_acpi_cbl_80wire - Check for 80 wire cable * @ap: Port to check + * @gtm: GTM data to use * - * Return 1 if the ACPI mode data for this port indicates the BIOS selected - * an 80wire mode. + * Return 1 if the @gtm indicates the BIOS selected an 80wire mode. */ - -int ata_acpi_cbl_80wire(struct ata_port *ap) +int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm) { - const struct ata_acpi_gtm *gtm = ata_acpi_init_gtm(ap); - int valid = 0; + struct ata_device *dev; - if (!gtm) - return 0; + ata_link_for_each_dev(dev, &ap->link) { + unsigned long xfer_mask, udma_mask; + + if (!ata_dev_enabled(dev)) + continue; + + xfer_mask = ata_acpi_gtm_xfermask(dev, gtm); + ata_unpack_xfermask(xfer_mask, NULL, NULL, &udma_mask); + + if (udma_mask & ~ATA_UDMA_MASK_40C) + return 1; + } - /* Split timing, DMA enabled */ - if ((gtm->flags & 0x11) == 0x11 && gtm->drive[0].dma < 55) - valid |= 1; - if ((gtm->flags & 0x14) == 0x14 && gtm->drive[1].dma < 55) - valid |= 2; - /* Shared timing, DMA enabled */ - if ((gtm->flags & 0x11) == 0x01 && gtm->drive[0].dma < 55) - valid |= 1; - if ((gtm->flags & 0x14) == 0x04 && gtm->drive[0].dma < 55) - valid |= 2; - - /* Drive check */ - if ((valid & 1) && ata_dev_enabled(&ap->link.device[0])) - return 1; - if ((valid & 2) && ata_dev_enabled(&ap->link.device[1])) - return 1; return 0; } - EXPORT_SYMBOL_GPL(ata_acpi_cbl_80wire); static void ata_acpi_gtf_to_tf(struct ata_device *dev, @@ -776,6 +813,36 @@ void ata_acpi_on_resume(struct ata_port *ap) } /** + * ata_acpi_set_state - set the port power state + * @ap: target ATA port + * @state: state, on/off + * + * This function executes the _PS0/_PS3 ACPI method to set the power state. + * ACPI spec requires _PS0 when IDE power on and _PS3 when power off + */ +void ata_acpi_set_state(struct ata_port *ap, pm_message_t state) +{ + struct ata_device *dev; + + if (!ap->acpi_handle || (ap->flags & ATA_FLAG_ACPI_SATA)) + return; + + /* channel first and then drives for power on and vica versa + for power off */ + if (state.event == PM_EVENT_ON) + acpi_bus_set_power(ap->acpi_handle, ACPI_STATE_D0); + + ata_link_for_each_dev(dev, &ap->link) { + if (dev->acpi_handle && ata_dev_enabled(dev)) + acpi_bus_set_power(dev->acpi_handle, + state.event == PM_EVENT_ON ? + ACPI_STATE_D0 : ACPI_STATE_D3); + } + if (state.event != PM_EVENT_ON) + acpi_bus_set_power(ap->acpi_handle, ACPI_STATE_D3); +} + +/** * ata_acpi_on_devcfg - ATA ACPI hook called on device donfiguration * @dev: target ATA device * diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4753a1831db..3011919f3ec 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -119,6 +119,10 @@ int libata_noacpi = 0; module_param_named(noacpi, libata_noacpi, int, 0444); MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in probe/suspend/resume when set"); +int libata_allow_tpm = 0; +module_param_named(allow_tpm, libata_allow_tpm, int, 0444); +MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands"); + MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Library module for ATA devices"); MODULE_LICENSE("GPL"); @@ -450,9 +454,9 @@ int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, * RETURNS: * Packed xfer_mask. */ -static unsigned int ata_pack_xfermask(unsigned int pio_mask, - unsigned int mwdma_mask, - unsigned int udma_mask) +unsigned long ata_pack_xfermask(unsigned long pio_mask, + unsigned long mwdma_mask, + unsigned long udma_mask) { return ((pio_mask << ATA_SHIFT_PIO) & ATA_MASK_PIO) | ((mwdma_mask << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA) | @@ -469,10 +473,8 @@ static unsigned int ata_pack_xfermask(unsigned int pio_mask, * Unpack @xfer_mask into @pio_mask, @mwdma_mask and @udma_mask. * Any NULL distination masks will be ignored. */ -static void ata_unpack_xfermask(unsigned int xfer_mask, - unsigned int *pio_mask, - unsigned int *mwdma_mask, - unsigned int *udma_mask) +void ata_unpack_xfermask(unsigned long xfer_mask, unsigned long *pio_mask, + unsigned long *mwdma_mask, unsigned long *udma_mask) { if (pio_mask) *pio_mask = (xfer_mask & ATA_MASK_PIO) >> ATA_SHIFT_PIO; @@ -486,9 +488,9 @@ static const struct ata_xfer_ent { int shift, bits; u8 base; } ata_xfer_tbl[] = { - { ATA_SHIFT_PIO, ATA_BITS_PIO, XFER_PIO_0 }, - { ATA_SHIFT_MWDMA, ATA_BITS_MWDMA, XFER_MW_DMA_0 }, - { ATA_SHIFT_UDMA, ATA_BITS_UDMA, XFER_UDMA_0 }, + { ATA_SHIFT_PIO, ATA_NR_PIO_MODES, XFER_PIO_0 }, + { ATA_SHIFT_MWDMA, ATA_NR_MWDMA_MODES, XFER_MW_DMA_0 }, + { ATA_SHIFT_UDMA, ATA_NR_UDMA_MODES, XFER_UDMA_0 }, { -1, }, }; @@ -503,9 +505,9 @@ static const struct ata_xfer_ent { * None. * * RETURNS: - * Matching XFER_* value, 0 if no match found. + * Matching XFER_* value, 0xff if no match found. */ -static u8 ata_xfer_mask2mode(unsigned int xfer_mask) +u8 ata_xfer_mask2mode(unsigned long xfer_mask) { int highbit = fls(xfer_mask) - 1; const struct ata_xfer_ent *ent; @@ -513,7 +515,7 @@ static u8 ata_xfer_mask2mode(unsigned int xfer_mask) for (ent = ata_xfer_tbl; ent->shift >= 0; ent++) if (highbit >= ent->shift && highbit < ent->shift + ent->bits) return ent->base + highbit - ent->shift; - return 0; + return 0xff; } /** @@ -528,13 +530,14 @@ static u8 ata_xfer_mask2mode(unsigned int xfer_mask) * RETURNS: * Matching xfer_mask, 0 if no match found. */ -static unsigned int ata_xfer_mode2mask(u8 xfer_mode) +unsigned long ata_xfer_mode2mask(u8 xfer_mode) { const struct ata_xfer_ent *ent; for (ent = ata_xfer_tbl; ent->shift >= 0; ent++) if (xfer_mode >= ent->base && xfer_mode < ent->base + ent->bits) - return 1 << (ent->shift + xfer_mode - ent->base); + return ((2 << (ent->shift + xfer_mode - ent->base)) - 1) + & ~((1 << ent->shift) - 1); return 0; } @@ -550,7 +553,7 @@ static unsigned int ata_xfer_mode2mask(u8 xfer_mode) * RETURNS: * Matching xfer_shift, -1 if no match found. */ -static int ata_xfer_mode2shift(unsigned int xfer_mode) +int ata_xfer_mode2shift(unsigned long xfer_mode) { const struct ata_xfer_ent *ent; @@ -574,7 +577,7 @@ static int ata_xfer_mode2shift(unsigned int xfer_mode) * Constant C string representing highest speed listed in * @mode_mask, or the constant C string "<n/a>". */ -static const char *ata_mode_string(unsigned int xfer_mask) +const char *ata_mode_string(unsigned long xfer_mask) { static const char * const xfer_mode_str[] = { "PIO0", @@ -947,8 +950,8 @@ unsigned int ata_dev_try_classify(struct ata_device *dev, int present, if (r_err) *r_err = err; - /* see if device passed diags: if master then continue and warn later */ - if (err == 0 && dev->devno == 0) + /* see if device passed diags: continue and warn later */ + if (err == 0) /* diagnostic fail : do nothing _YET_ */ dev->horkage |= ATA_HORKAGE_DIAGNOSTIC; else if (err == 1) @@ -1286,48 +1289,6 @@ static int ata_hpa_resize(struct ata_device *dev) } /** - * ata_id_to_dma_mode - Identify DMA mode from id block - * @dev: device to identify - * @unknown: mode to assume if we cannot tell - * - * Set up the timing values for the device based upon the identify - * reported values for the DMA mode. This function is used by drivers - * which rely upon firmware configured modes, but wish to report the - * mode correctly when possible. - * - * In addition we emit similarly formatted messages to the default - * ata_dev_set_mode handler, in order to provide consistency of - * presentation. - */ - -void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown) -{ - unsigned int mask; - u8 mode; - - /* Pack the DMA modes */ - mask = ((dev->id[63] >> 8) << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA; - if (dev->id[53] & 0x04) - mask |= ((dev->id[88] >> 8) << ATA_SHIFT_UDMA) & ATA_MASK_UDMA; - - /* Select the mode in use */ - mode = ata_xfer_mask2mode(mask); - - if (mode != 0) { - ata_dev_printk(dev, KERN_INFO, "configured for %s\n", - ata_mode_string(mask)); - } else { - /* SWDMA perhaps ? */ - mode = unknown; - ata_dev_printk(dev, KERN_INFO, "configured for DMA\n"); - } - - /* Configure the device reporting */ - dev->xfer_mode = mode; - dev->xfer_shift = ata_xfer_mode2shift(mode); -} - -/** * ata_noop_dev_select - Select device 0/1 on ATA bus * @ap: ATA channel to manipulate * @device: ATA device (numbered from zero) to select @@ -1464,9 +1425,9 @@ static inline void ata_dump_id(const u16 *id) * RETURNS: * Computed xfermask */ -static unsigned int ata_id_xfermask(const u16 *id) +unsigned long ata_id_xfermask(const u16 *id) { - unsigned int pio_mask, mwdma_mask, udma_mask; + unsigned long pio_mask, mwdma_mask, udma_mask; /* Usual case. Word 53 indicates word 64 is valid */ if (id[ATA_ID_FIELD_VALID] & (1 << 1)) { @@ -1519,7 +1480,7 @@ static unsigned int ata_id_xfermask(const u16 *id) } /** - * ata_port_queue_task - Queue port_task + * ata_pio_queue_task - Queue port_task * @ap: The ata_port to queue port_task for * @fn: workqueue function to be scheduled * @data: data for @fn to use @@ -1531,16 +1492,15 @@ static unsigned int ata_id_xfermask(const u16 *id) * one task is active at any given time. * * libata core layer takes care of synchronization between - * port_task and EH. ata_port_queue_task() may be ignored for EH + * port_task and EH. ata_pio_queue_task() may be ignored for EH * synchronization. * * LOCKING: * Inherited from caller. */ -void ata_port_queue_task(struct ata_port *ap, work_func_t fn, void *data, - unsigned long delay) +static void ata_pio_queue_task(struct ata_port *ap, void *data, + unsigned long delay) { - PREPARE_DELAYED_WORK(&ap->port_task, fn); ap->port_task_data = data; /* may fail if ata_port_flush_task() in progress */ @@ -2090,7 +2050,7 @@ int ata_dev_configure(struct ata_device *dev) struct ata_eh_context *ehc = &dev->link->eh_context; int print_info = ehc->i.flags & ATA_EHI_PRINTINFO; const u16 *id = dev->id; - unsigned int xfer_mask; + unsigned long xfer_mask; char revbuf[7]; /* XYZ-99\0 */ char fwrevbuf[ATA_ID_FW_REV_LEN+1]; char modelbuf[ATA_ID_PROD_LEN+1]; @@ -2161,8 +2121,14 @@ int ata_dev_configure(struct ata_device *dev) "supports DRM functions and may " "not be fully accessable.\n"); snprintf(revbuf, 7, "CFA"); - } else + } else { snprintf(revbuf, 7, "ATA-%d", ata_id_major_version(id)); + /* Warn the user if the device has TPM extensions */ + if (ata_id_has_tpm(id)) + ata_dev_printk(dev, KERN_WARNING, + "supports DRM functions and may " + "not be fully accessable.\n"); + } dev->n_sectors = ata_id_n_sectors(id); @@ -2295,19 +2261,8 @@ int ata_dev_configure(struct ata_device *dev) dev->flags |= ATA_DFLAG_DIPM; } - if (dev->horkage & ATA_HORKAGE_DIAGNOSTIC) { - /* Let the user know. We don't want to disallow opens for - rescue purposes, or in case the vendor is just a blithering - idiot */ - if (print_info) { - ata_dev_printk(dev, KERN_WARNING, -"Drive reports diagnostics failure. This may indicate a drive\n"); - ata_dev_printk(dev, KERN_WARNING, -"fault or invalid emulation. Contact drive vendor for information.\n"); - } - } - - /* limit bridge transfers to udma5, 200 sectors */ + /* Limit PATA drive on SATA cable bridge transfers to udma5, + 200 sectors */ if (ata_dev_knobble(dev)) { if (ata_msg_drv(ap) && print_info) ata_dev_printk(dev, KERN_INFO, @@ -2336,6 +2291,21 @@ int ata_dev_configure(struct ata_device *dev) if (ap->ops->dev_config) ap->ops->dev_config(dev); + if (dev->horkage & ATA_HORKAGE_DIAGNOSTIC) { + /* Let the user know. We don't want to disallow opens for + rescue purposes, or in case the vendor is just a blithering + idiot. Do this after the dev_config call as some controllers + with buggy firmware may want to avoid reporting false device + bugs */ + + if (print_info) { + ata_dev_printk(dev, KERN_WARNING, +"Drive reports diagnostics failure. This may indicate a drive\n"); + ata_dev_printk(dev, KERN_WARNING, +"fault or invalid emulation. Contact drive vendor for information.\n"); + } + } + if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, "%s: EXIT, drv_stat = 0x%x\n", __FUNCTION__, ata_chk_status(ap)); @@ -2387,6 +2357,18 @@ int ata_cable_unknown(struct ata_port *ap) } /** + * ata_cable_ignore - return ignored PATA cable. + * @ap: port + * + * Helper method for drivers which don't use cable type to limit + * transfer mode. + */ +int ata_cable_ignore(struct ata_port *ap) +{ + return ATA_CBL_PATA_IGN; +} + +/** * ata_cable_sata - return SATA cable type * @ap: port * @@ -2781,38 +2763,33 @@ int sata_set_spd(struct ata_link *link) */ static const struct ata_timing ata_timing[] = { +/* { XFER_PIO_SLOW, 120, 290, 240, 960, 290, 240, 960, 0 }, */ + { XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0 }, + { XFER_PIO_1, 50, 290, 93, 383, 125, 100, 383, 0 }, + { XFER_PIO_2, 30, 290, 40, 330, 100, 90, 240, 0 }, + { XFER_PIO_3, 30, 80, 70, 180, 80, 70, 180, 0 }, + { XFER_PIO_4, 25, 70, 25, 120, 70, 25, 120, 0 }, + { XFER_PIO_5, 15, 65, 25, 100, 65, 25, 100, 0 }, + { XFER_PIO_6, 10, 55, 20, 80, 55, 20, 80, 0 }, - { XFER_UDMA_6, 0, 0, 0, 0, 0, 0, 0, 15 }, - { XFER_UDMA_5, 0, 0, 0, 0, 0, 0, 0, 20 }, - { XFER_UDMA_4, 0, 0, 0, 0, 0, 0, 0, 30 }, - { XFER_UDMA_3, 0, 0, 0, 0, 0, 0, 0, 45 }, + { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 960, 0 }, + { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 480, 0 }, + { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 240, 0 }, - { XFER_MW_DMA_4, 25, 0, 0, 0, 55, 20, 80, 0 }, + { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 480, 0 }, + { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 150, 0 }, + { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 120, 0 }, { XFER_MW_DMA_3, 25, 0, 0, 0, 65, 25, 100, 0 }, - { XFER_UDMA_2, 0, 0, 0, 0, 0, 0, 0, 60 }, - { XFER_UDMA_1, 0, 0, 0, 0, 0, 0, 0, 80 }, - { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 120 }, + { XFER_MW_DMA_4, 25, 0, 0, 0, 55, 20, 80, 0 }, /* { XFER_UDMA_SLOW, 0, 0, 0, 0, 0, 0, 0, 150 }, */ - - { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 120, 0 }, - { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 150, 0 }, - { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 480, 0 }, - - { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 240, 0 }, - { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 480, 0 }, - { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 960, 0 }, - - { XFER_PIO_6, 10, 55, 20, 80, 55, 20, 80, 0 }, - { XFER_PIO_5, 15, 65, 25, 100, 65, 25, 100, 0 }, - { XFER_PIO_4, 25, 70, 25, 120, 70, 25, 120, 0 }, - { XFER_PIO_3, 30, 80, 70, 180, 80, 70, 180, 0 }, - - { XFER_PIO_2, 30, 290, 40, 330, 100, 90, 240, 0 }, - { XFER_PIO_1, 50, 290, 93, 383, 125, 100, 383, 0 }, - { XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0 }, - -/* { XFER_PIO_SLOW, 120, 290, 240, 960, 290, 240, 960, 0 }, */ + { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 120 }, + { XFER_UDMA_1, 0, 0, 0, 0, 0, 0, 0, 80 }, + { XFER_UDMA_2, 0, 0, 0, 0, 0, 0, 0, 60 }, + { XFER_UDMA_3, 0, 0, 0, 0, 0, 0, 0, 45 }, + { XFER_UDMA_4, 0, 0, 0, 0, 0, 0, 0, 30 }, + { XFER_UDMA_5, 0, 0, 0, 0, 0, 0, 0, 20 }, + { XFER_UDMA_6, 0, 0, 0, 0, 0, 0, 0, 15 }, { 0xFF } }; @@ -2845,14 +2822,16 @@ void ata_timing_merge(const struct ata_timing *a, const struct ata_timing *b, if (what & ATA_TIMING_UDMA ) m->udma = max(a->udma, b->udma); } -static const struct ata_timing *ata_timing_find_mode(unsigned short speed) +const struct ata_timing *ata_timing_find_mode(u8 xfer_mode) { - const struct ata_timing *t; + const struct ata_timing *t = ata_timing; - for (t = ata_timing; t->mode != speed; t++) - if (t->mode == 0xFF) - return NULL; - return t; + while (xfer_mode > t->mode) + t++; + + if (xfer_mode == t->mode) + return t; + return NULL; } int ata_timing_compute(struct ata_device *adev, unsigned short speed, @@ -2927,6 +2906,57 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, } /** + * ata_timing_cycle2mode - find xfer mode for the specified cycle duration + * @xfer_shift: ATA_SHIFT_* value for transfer type to examine. + * @cycle: cycle duration in ns + * + * Return matching xfer mode for @cycle. The returned mode is of + * the transfer type specified by @xfer_shift. If @cycle is too + * slow for @xfer_shift, 0xff is returned. If @cycle is faster + * than the fastest known mode, the fasted mode is returned. + * + * LOCKING: + * None. + * + * RETURNS: + * Matching xfer_mode, 0xff if no match found. + */ +u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle) +{ + u8 base_mode = 0xff, last_mode = 0xff; + const struct ata_xfer_ent *ent; + const struct ata_timing *t; + + for (ent = ata_xfer_tbl; ent->shift >= 0; ent++) + if (ent->shift == xfer_shift) + base_mode = ent->base; + + for (t = ata_timing_find_mode(base_mode); + t && ata_xfer_mode2shift(t->mode) == xfer_shift; t++) { + unsigned short this_cycle; + + switch (xfer_shift) { + case ATA_SHIFT_PIO: + case ATA_SHIFT_MWDMA: + this_cycle = t->cycle; + break; + case ATA_SHIFT_UDMA: + this_cycle = t->udma; + break; + default: + return 0xff; + } + + if (cycle > this_cycle) + break; + + last_mode = t->mode; + } + + return last_mode; +} + +/** * ata_down_xfermask_limit - adjust dev xfer masks downward * @dev: Device to adjust xfer masks * @sel: ATA_DNXFER_* selector @@ -2944,8 +2974,8 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel) { char buf[32]; - unsigned int orig_mask, xfer_mask; - unsigned int pio_mask, mwdma_mask, udma_mask; + unsigned long orig_mask, xfer_mask; + unsigned long pio_mask, mwdma_mask, udma_mask; int quiet, highbit; quiet = !!(sel & ATA_DNXFER_QUIET); @@ -3039,7 +3069,7 @@ static int ata_dev_set_mode(struct ata_device *dev) /* Early MWDMA devices do DMA but don't allow DMA mode setting. Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */ - if (dev->xfer_shift == ATA_SHIFT_MWDMA && + if (dev->xfer_shift == ATA_SHIFT_MWDMA && dev->dma_mode == XFER_MW_DMA_0 && (dev->id[63] >> 8) & 1) err_mask &= ~AC_ERR_DEV; @@ -3067,7 +3097,7 @@ static int ata_dev_set_mode(struct ata_device *dev) /** * ata_do_set_mode - Program timings and issue SET FEATURES - XFER * @link: link on which timings will be programmed - * @r_failed_dev: out paramter for failed device + * @r_failed_dev: out parameter for failed device * * Standard implementation of the function used to tune and set * ATA device disk transfer mode (PIO3, UDMA6, etc.). If @@ -3089,7 +3119,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) /* step 1: calculate xfer_mask */ ata_link_for_each_dev(dev, link) { - unsigned int pio_mask, dma_mask; + unsigned long pio_mask, dma_mask; unsigned int mode_mask; if (!ata_dev_enabled(dev)) @@ -3115,7 +3145,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) dev->dma_mode = ata_xfer_mask2mode(dma_mask); found = 1; - if (dev->dma_mode) + if (dev->dma_mode != 0xff) used_dma = 1; } if (!found) @@ -3126,7 +3156,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) if (!ata_dev_enabled(dev)) continue; - if (!dev->pio_mode) { + if (dev->pio_mode == 0xff) { ata_dev_printk(dev, KERN_WARNING, "no PIO support\n"); rc = -EINVAL; goto out; @@ -3140,7 +3170,7 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) /* step 3: set host DMA timings */ ata_link_for_each_dev(dev, link) { - if (!ata_dev_enabled(dev) || !dev->dma_mode) + if (!ata_dev_enabled(dev) || dev->dma_mode == 0xff) continue; dev->xfer_mode = dev->dma_mode; @@ -3173,31 +3203,6 @@ int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) } /** - * ata_set_mode - Program timings and issue SET FEATURES - XFER - * @link: link on which timings will be programmed - * @r_failed_dev: out paramter for failed device - * - * Set ATA device disk transfer mode (PIO3, UDMA6, etc.). If - * ata_set_mode() fails, pointer to the failing device is - * returned in @r_failed_dev. - * - * LOCKING: - * PCI/etc. bus probe sem. - * - * RETURNS: - * 0 on success, negative errno otherwise - */ -int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) -{ - struct ata_port *ap = link->ap; - - /* has private set_mode? */ - if (ap->ops->set_mode) - return ap->ops->set_mode(link, r_failed_dev); - return ata_do_set_mode(link, r_failed_dev); -} - -/** * ata_tf_to_host - issue ATA taskfile to host controller * @ap: port to which command is being issued * @tf: ATA taskfile register set @@ -4149,8 +4154,6 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* NCQ is broken */ { "Maxtor *", "BANC*", ATA_HORKAGE_NONCQ }, { "Maxtor 7V300F0", "VA111630", ATA_HORKAGE_NONCQ }, - { "HITACHI HDS7250SASUN500G*", NULL, ATA_HORKAGE_NONCQ }, - { "HITACHI HDS7225SBSUN250G*", NULL, ATA_HORKAGE_NONCQ }, { "ST380817AS", "3.42", ATA_HORKAGE_NONCQ }, { "ST3160023AS", "3.42", ATA_HORKAGE_NONCQ }, @@ -4363,7 +4366,14 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) tf.feature = SETFEATURES_XFER; tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING; tf.protocol = ATA_PROT_NODATA; - tf.nsect = dev->xfer_mode; + /* If we are using IORDY we must send the mode setting command */ + if (ata_pio_need_iordy(dev)) + tf.nsect = dev->xfer_mode; + /* If the device has IORDY and the controller does not - turn it off */ + else if (ata_id_has_iordy(dev->id)) + tf.nsect = 0x01; + else /* In the ancient relic department - skip all of this */ + return 0; err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); @@ -4462,17 +4472,13 @@ static unsigned int ata_dev_init_params(struct ata_device *dev, void ata_sg_clean(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - struct scatterlist *sg = qc->__sg; + struct scatterlist *sg = qc->sg; int dir = qc->dma_dir; void *pad_buf = NULL; - WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP)); WARN_ON(sg == NULL); - if (qc->flags & ATA_QCFLAG_SINGLE) - WARN_ON(qc->n_elem > 1); - - VPRINTK("unmapping %u sg elements\n", qc->n_elem); + VPRINTK("unmapping %u sg elements\n", qc->mapped_n_elem); /* if we padded the buffer out to 32-bit bound, and data * xfer direction is from-device, we must copy from the @@ -4481,31 +4487,20 @@ void ata_sg_clean(struct ata_queued_cmd *qc) if (qc->pad_len && !(qc->tf.flags & ATA_TFLAG_WRITE)) pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ); - if (qc->flags & ATA_QCFLAG_SG) { - if (qc->n_elem) - dma_unmap_sg(ap->dev, sg, qc->n_elem, dir); - /* restore last sg */ - sg_last(sg, qc->orig_n_elem)->length += qc->pad_len; - if (pad_buf) { - struct scatterlist *psg = &qc->pad_sgent; - void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); - memcpy(addr + psg->offset, pad_buf, qc->pad_len); - kunmap_atomic(addr, KM_IRQ0); - } - } else { - if (qc->n_elem) - dma_unmap_single(ap->dev, - sg_dma_address(&sg[0]), sg_dma_len(&sg[0]), - dir); - /* restore sg */ - sg->length += qc->pad_len; - if (pad_buf) - memcpy(qc->buf_virt + sg->length - qc->pad_len, - pad_buf, qc->pad_len); + if (qc->mapped_n_elem) + dma_unmap_sg(ap->dev, sg, qc->mapped_n_elem, dir); + /* restore last sg */ + if (qc->last_sg) + *qc->last_sg = qc->saved_last_sg; + if (pad_buf) { + struct scatterlist *psg = &qc->extra_sg[1]; + void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); + memcpy(addr + psg->offset, pad_buf, qc->pad_len); + kunmap_atomic(addr, KM_IRQ0); } qc->flags &= ~ATA_QCFLAG_DMAMAP; - qc->__sg = NULL; + qc->sg = NULL; } /** @@ -4523,13 +4518,10 @@ static void ata_fill_sg(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct scatterlist *sg; - unsigned int idx; + unsigned int si, pi; - WARN_ON(qc->__sg == NULL); - WARN_ON(qc->n_elem == 0 && qc->pad_len == 0); - - idx = 0; - ata_for_each_sg(sg, qc) { + pi = 0; + for_each_sg(qc->sg, sg, qc->n_elem, si) { u32 addr, offset; u32 sg_len, len; @@ -4546,18 +4538,17 @@ static void ata_fill_sg(struct ata_queued_cmd *qc) if ((offset + sg_len) > 0x10000) len = 0x10000 - offset; - ap->prd[idx].addr = cpu_to_le32(addr); - ap->prd[idx].flags_len = cpu_to_le32(len & 0xffff); - VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len); + ap->prd[pi].addr = cpu_to_le32(addr); + ap->prd[pi].flags_len = cpu_to_le32(len & 0xffff); + VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len); - idx++; + pi++; sg_len -= len; addr += len; } } - if (idx) - ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); + ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } /** @@ -4577,13 +4568,10 @@ static void ata_fill_sg_dumb(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct scatterlist *sg; - unsigned int idx; - - WARN_ON(qc->__sg == NULL); - WARN_ON(qc->n_elem == 0 && qc->pad_len == 0); + unsigned int si, pi; - idx = 0; - ata_for_each_sg(sg, qc) { + pi = 0; + for_each_sg(qc->sg, sg, qc->n_elem, si) { u32 addr, offset; u32 sg_len, len, blen; @@ -4601,25 +4589,24 @@ static void ata_fill_sg_dumb(struct ata_queued_cmd *qc) len = 0x10000 - offset; blen = len & 0xffff; - ap->prd[idx].addr = cpu_to_le32(addr); + ap->prd[pi].addr = cpu_to_le32(addr); if (blen == 0) { /* Some PATA chipsets like the CS5530 can't cope with 0x0000 meaning 64K as the spec says */ - ap->prd[idx].flags_len = cpu_to_le32(0x8000); + ap->prd[pi].flags_len = cpu_to_le32(0x8000); blen = 0x8000; - ap->prd[++idx].addr = cpu_to_le32(addr + 0x8000); + ap->prd[++pi].addr = cpu_to_le32(addr + 0x8000); } - ap->prd[idx].flags_len = cpu_to_le32(blen); - VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len); + ap->prd[pi].flags_len = cpu_to_le32(blen); + VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, len); - idx++; + pi++; sg_len -= len; addr += len; } } - if (idx) - ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); + ap->prd[pi - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } /** @@ -4669,8 +4656,8 @@ int ata_check_atapi_dma(struct ata_queued_cmd *qc) */ static int atapi_qc_may_overflow(struct ata_queued_cmd *qc) { - if (qc->tf.protocol != ATA_PROT_ATAPI && - qc->tf.protocol != ATA_PROT_ATAPI_DMA) + if (qc->tf.protocol != ATAPI_PROT_PIO && + qc->tf.protocol != ATAPI_PROT_DMA) return 0; if (qc->tf.flags & ATA_TFLAG_WRITE) @@ -4756,33 +4743,6 @@ void ata_dumb_qc_prep(struct ata_queued_cmd *qc) void ata_noop_qc_prep(struct ata_queued_cmd *qc) { } /** - * ata_sg_init_one - Associate command with memory buffer - * @qc: Command to be associated - * @buf: Memory buffer - * @buflen: Length of memory buffer, in bytes. - * - * Initialize the data-related elements of queued_cmd @qc - * to point to a single memory buffer, @buf of byte length @buflen. - * - * LOCKING: - * spin_lock_irqsave(host lock) - */ - -void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen) -{ - qc->flags |= ATA_QCFLAG_SINGLE; - - qc->__sg = &qc->sgent; - qc->n_elem = 1; - qc->orig_n_elem = 1; - qc->buf_virt = buf; - qc->nbytes = buflen; - qc->cursg = qc->__sg; - - sg_init_one(&qc->sgent, buf, buflen); -} - -/** * ata_sg_init - Associate command with scatter-gather table. * @qc: Command to be associated * @sg: Scatter-gather table. @@ -4795,84 +4755,103 @@ void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen) * LOCKING: * spin_lock_irqsave(host lock) */ - void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg, unsigned int n_elem) { - qc->flags |= ATA_QCFLAG_SG; - qc->__sg = sg; + qc->sg = sg; qc->n_elem = n_elem; - qc->orig_n_elem = n_elem; - qc->cursg = qc->__sg; + qc->cursg = qc->sg; } -/** - * ata_sg_setup_one - DMA-map the memory buffer associated with a command. - * @qc: Command with memory buffer to be mapped. - * - * DMA-map the memory buffer associated with queued_cmd @qc. - * - * LOCKING: - * spin_lock_irqsave(host lock) - * - * RETURNS: - * Zero on success, negative on error. - */ - -static int ata_sg_setup_one(struct ata_queued_cmd *qc) +static unsigned int ata_sg_setup_extra(struct ata_queued_cmd *qc, + unsigned int *n_elem_extra, + unsigned int *nbytes_extra) { struct ata_port *ap = qc->ap; - int dir = qc->dma_dir; - struct scatterlist *sg = qc->__sg; - dma_addr_t dma_address; - int trim_sg = 0; + unsigned int n_elem = qc->n_elem; + struct scatterlist *lsg, *copy_lsg = NULL, *tsg = NULL, *esg = NULL; + + *n_elem_extra = 0; + *nbytes_extra = 0; + + /* needs padding? */ + qc->pad_len = qc->nbytes & 3; + + if (likely(!qc->pad_len)) + return n_elem; + + /* locate last sg and save it */ + lsg = sg_last(qc->sg, n_elem); + qc->last_sg = lsg; + qc->saved_last_sg = *lsg; + + sg_init_table(qc->extra_sg, ARRAY_SIZE(qc->extra_sg)); - /* we must lengthen transfers to end on a 32-bit boundary */ - qc->pad_len = sg->length & 3; if (qc->pad_len) { + struct scatterlist *psg = &qc->extra_sg[1]; void *pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ); - struct scatterlist *psg = &qc->pad_sgent; + unsigned int offset; WARN_ON(qc->dev->class != ATA_DEV_ATAPI); memset(pad_buf, 0, ATA_DMA_PAD_SZ); - if (qc->tf.flags & ATA_TFLAG_WRITE) - memcpy(pad_buf, qc->buf_virt + sg->length - qc->pad_len, - qc->pad_len); + /* psg->page/offset are used to copy to-be-written + * data in this function or read data in ata_sg_clean. + */ + offset = lsg->offset + lsg->length - qc->pad_len; + sg_set_page(psg, nth_page(sg_page(lsg), offset >> PAGE_SHIFT), + qc->pad_len, offset_in_page(offset)); + + if (qc->tf.flags & ATA_TFLAG_WRITE) { + void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); + memcpy(pad_buf, addr + psg->offset, qc->pad_len); + kunmap_atomic(addr, KM_IRQ0); + } sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ); sg_dma_len(psg) = ATA_DMA_PAD_SZ; - /* trim sg */ - sg->length -= qc->pad_len; - if (sg->length == 0) - trim_sg = 1; - DPRINTK("padding done, sg->length=%u pad_len=%u\n", - sg->length, qc->pad_len); - } + /* Trim the last sg entry and chain the original and + * padding sg lists. + * + * Because chaining consumes one sg entry, one extra + * sg entry is allocated and the last sg entry is + * copied to it if the length isn't zero after padded + * amount is removed. + * + * If the last sg entry is completely replaced by + * padding sg entry, the first sg entry is skipped + * while chaining. + */ + lsg->length -= qc->pad_len; + if (lsg->length) { + copy_lsg = &qc->extra_sg[0]; + tsg = &qc->extra_sg[0]; + } else { + n_elem--; + tsg = &qc->extra_sg[1]; + } - if (trim_sg) { - qc->n_elem--; - goto skip_map; - } + esg = &qc->extra_sg[1]; - dma_address = dma_map_single(ap->dev, qc->buf_virt, - sg->length, dir); - if (dma_mapping_error(dma_address)) { - /* restore sg */ - sg->length += qc->pad_len; - return -1; + (*n_elem_extra)++; + (*nbytes_extra) += 4 - qc->pad_len; } - sg_dma_address(sg) = dma_address; - sg_dma_len(sg) = sg->length; + if (copy_lsg) + sg_set_page(copy_lsg, sg_page(lsg), lsg->length, lsg->offset); -skip_map: - DPRINTK("mapped buffer of %d bytes for %s\n", sg_dma_len(sg), - qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read"); + sg_chain(lsg, 1, tsg); + sg_mark_end(esg); - return 0; + /* sglist can't start with chaining sg entry, fast forward */ + if (qc->sg == lsg) { + qc->sg = tsg; + qc->cursg = tsg; + } + + return n_elem; } /** @@ -4888,75 +4867,30 @@ skip_map: * Zero on success, negative on error. * */ - static int ata_sg_setup(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - struct scatterlist *sg = qc->__sg; - struct scatterlist *lsg = sg_last(qc->__sg, qc->n_elem); - int n_elem, pre_n_elem, dir, trim_sg = 0; + unsigned int n_elem, n_elem_extra, nbytes_extra; VPRINTK("ENTER, ata%u\n", ap->print_id); - WARN_ON(!(qc->flags & ATA_QCFLAG_SG)); - /* we must lengthen transfers to end on a 32-bit boundary */ - qc->pad_len = lsg->length & 3; - if (qc->pad_len) { - void *pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ); - struct scatterlist *psg = &qc->pad_sgent; - unsigned int offset; - - WARN_ON(qc->dev->class != ATA_DEV_ATAPI); + n_elem = ata_sg_setup_extra(qc, &n_elem_extra, &nbytes_extra); - memset(pad_buf, 0, ATA_DMA_PAD_SZ); - - /* - * psg->page/offset are used to copy to-be-written - * data in this function or read data in ata_sg_clean. - */ - offset = lsg->offset + lsg->length - qc->pad_len; - sg_init_table(psg, 1); - sg_set_page(psg, nth_page(sg_page(lsg), offset >> PAGE_SHIFT), - qc->pad_len, offset_in_page(offset)); - - if (qc->tf.flags & ATA_TFLAG_WRITE) { - void *addr = kmap_atomic(sg_page(psg), KM_IRQ0); - memcpy(pad_buf, addr + psg->offset, qc->pad_len); - kunmap_atomic(addr, KM_IRQ0); + if (n_elem) { + n_elem = dma_map_sg(ap->dev, qc->sg, n_elem, qc->dma_dir); + if (n_elem < 1) { + /* restore last sg */ + if (qc->last_sg) + *qc->last_sg = qc->saved_last_sg; + return -1; } - - sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ); - sg_dma_len(psg) = ATA_DMA_PAD_SZ; - /* trim last sg */ - lsg->length -= qc->pad_len; - if (lsg->length == 0) - trim_sg = 1; - - DPRINTK("padding done, sg[%d].length=%u pad_len=%u\n", - qc->n_elem - 1, lsg->length, qc->pad_len); - } - - pre_n_elem = qc->n_elem; - if (trim_sg && pre_n_elem) - pre_n_elem--; - - if (!pre_n_elem) { - n_elem = 0; - goto skip_map; - } - - dir = qc->dma_dir; - n_elem = dma_map_sg(ap->dev, sg, pre_n_elem, dir); - if (n_elem < 1) { - /* restore last sg */ - lsg->length += qc->pad_len; - return -1; + DPRINTK("%d sg elements mapped\n", n_elem); } - DPRINTK("%d sg elements mapped\n", n_elem); - -skip_map: - qc->n_elem = n_elem; + qc->n_elem = qc->mapped_n_elem = n_elem; + qc->n_elem += n_elem_extra; + qc->nbytes += nbytes_extra; + qc->flags |= ATA_QCFLAG_DMAMAP; return 0; } @@ -4985,63 +4919,77 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) /** * ata_data_xfer - Transfer data by PIO - * @adev: device to target + * @dev: device to target * @buf: data buffer * @buflen: buffer length - * @write_data: read/write + * @rw: read/write * * Transfer data from/to the device data register by PIO. * * LOCKING: * Inherited from caller. + * + * RETURNS: + * Bytes consumed. */ -void ata_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +unsigned int ata_data_xfer(struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw) { - struct ata_port *ap = adev->link->ap; + struct ata_port *ap = dev->link->ap; + void __iomem *data_addr = ap->ioaddr.data_addr; unsigned int words = buflen >> 1; /* Transfer multiple of 2 bytes */ - if (write_data) - iowrite16_rep(ap->ioaddr.data_addr, buf, words); + if (rw == READ) + ioread16_rep(data_addr, buf, words); else - ioread16_rep(ap->ioaddr.data_addr, buf, words); + iowrite16_rep(data_addr, buf, words); /* Transfer trailing 1 byte, if any. */ if (unlikely(buflen & 0x01)) { - u16 align_buf[1] = { 0 }; + __le16 align_buf[1] = { 0 }; unsigned char *trailing_buf = buf + buflen - 1; - if (write_data) { - memcpy(align_buf, trailing_buf, 1); - iowrite16(le16_to_cpu(align_buf[0]), ap->ioaddr.data_addr); - } else { - align_buf[0] = cpu_to_le16(ioread16(ap->ioaddr.data_addr)); + if (rw == READ) { + align_buf[0] = cpu_to_le16(ioread16(data_addr)); memcpy(trailing_buf, align_buf, 1); + } else { + memcpy(align_buf, trailing_buf, 1); + iowrite16(le16_to_cpu(align_buf[0]), data_addr); } + words++; } + + return words << 1; } /** * ata_data_xfer_noirq - Transfer data by PIO - * @adev: device to target + * @dev: device to target * @buf: data buffer * @buflen: buffer length - * @write_data: read/write + * @rw: read/write * * Transfer data from/to the device data register by PIO. Do the * transfer with interrupts disabled. * * LOCKING: * Inherited from caller. + * + * RETURNS: + * Bytes consumed. */ -void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +unsigned int ata_data_xfer_noirq(struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw) { unsigned long flags; + unsigned int consumed; + local_irq_save(flags); - ata_data_xfer(adev, buf, buflen, write_data); + consumed = ata_data_xfer(dev, buf, buflen, rw); local_irq_restore(flags); + + return consumed; } @@ -5152,13 +5100,13 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc) ata_altstatus(ap); /* flush */ switch (qc->tf.protocol) { - case ATA_PROT_ATAPI: + case ATAPI_PROT_PIO: ap->hsm_task_state = HSM_ST; break; - case ATA_PROT_ATAPI_NODATA: + case ATAPI_PROT_NODATA: ap->hsm_task_state = HSM_ST_LAST; break; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: ap->hsm_task_state = HSM_ST_LAST; /* initiate bmdma */ ap->ops->bmdma_start(qc); @@ -5300,12 +5248,15 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc) bytes = (bc_hi << 8) | bc_lo; /* shall be cleared to zero, indicating xfer of data */ - if (ireason & (1 << 0)) + if (unlikely(ireason & (1 << 0))) goto err_out; /* make sure transfer direction matches expected */ i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0; - if (do_write != i_write) + if (unlikely(do_write != i_write)) + goto err_out; + + if (unlikely(!bytes)) goto err_out; VPRINTK("ata%u: xfering %d bytes\n", ap->print_id, bytes); @@ -5341,7 +5292,7 @@ static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd *q (qc->tf.flags & ATA_TFLAG_WRITE)) return 1; - if (is_atapi_taskfile(&qc->tf) && + if (ata_is_atapi(qc->tf.protocol) && !(qc->dev->flags & ATA_DFLAG_CDB_INTR)) return 1; } @@ -5506,7 +5457,7 @@ fsm_start: case HSM_ST: /* complete command or read/write the data register */ - if (qc->tf.protocol == ATA_PROT_ATAPI) { + if (qc->tf.protocol == ATAPI_PROT_PIO) { /* ATAPI PIO protocol */ if ((status & ATA_DRQ) == 0) { /* No more data to transfer or device error. @@ -5664,7 +5615,7 @@ fsm_start: msleep(2); status = ata_busy_wait(ap, ATA_BUSY, 10); if (status & ATA_BUSY) { - ata_port_queue_task(ap, ata_pio_task, qc, ATA_SHORT_PAUSE); + ata_pio_queue_task(ap, qc, ATA_SHORT_PAUSE); return; } } @@ -5805,6 +5756,22 @@ static void fill_result_tf(struct ata_queued_cmd *qc) ap->ops->tf_read(ap, &qc->result_tf); } +static void ata_verify_xfer(struct ata_queued_cmd *qc) +{ + struct ata_device *dev = qc->dev; + + if (ata_tag_internal(qc->tag)) + return; + + if (ata_is_nodata(qc->tf.protocol)) + return; + + if ((dev->mwdma_mask || dev->udma_mask) && ata_is_pio(qc->tf.protocol)) + return; + + dev->flags &= ~ATA_DFLAG_DUBIOUS_XFER; +} + /** * ata_qc_complete - Complete an active ATA command * @qc: Command to complete @@ -5876,6 +5843,9 @@ void ata_qc_complete(struct ata_queued_cmd *qc) break; } + if (unlikely(dev->flags & ATA_DFLAG_DUBIOUS_XFER)) + ata_verify_xfer(qc); + __ata_qc_complete(qc); } else { if (qc->flags & ATA_QCFLAG_EH_SCHEDULED) @@ -5938,30 +5908,6 @@ int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active, return nr_done; } -static inline int ata_should_dma_map(struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - - switch (qc->tf.protocol) { - case ATA_PROT_NCQ: - case ATA_PROT_DMA: - case ATA_PROT_ATAPI_DMA: - return 1; - - case ATA_PROT_ATAPI: - case ATA_PROT_PIO: - if (ap->flags & ATA_FLAG_PIO_DMA) - return 1; - - /* fall through */ - - default: - return 0; - } - - /* never reached */ -} - /** * ata_qc_issue - issue taskfile to device * @qc: command to issue to device @@ -5978,6 +5924,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct ata_link *link = qc->dev->link; + u8 prot = qc->tf.protocol; /* Make sure only one non-NCQ command is outstanding. The * check is skipped for old EH because it reuses active qc to @@ -5985,7 +5932,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc) */ WARN_ON(ap->ops->error_handler && ata_tag_valid(link->active_tag)); - if (qc->tf.protocol == ATA_PROT_NCQ) { + if (ata_is_ncq(prot)) { WARN_ON(link->sactive & (1 << qc->tag)); if (!link->sactive) @@ -6001,17 +5948,18 @@ void ata_qc_issue(struct ata_queued_cmd *qc) qc->flags |= ATA_QCFLAG_ACTIVE; ap->qc_active |= 1 << qc->tag; - if (ata_should_dma_map(qc)) { - if (qc->flags & ATA_QCFLAG_SG) { - if (ata_sg_setup(qc)) - goto sg_err; - } else if (qc->flags & ATA_QCFLAG_SINGLE) { - if (ata_sg_setup_one(qc)) - goto sg_err; - } - } else { - qc->flags &= ~ATA_QCFLAG_DMAMAP; - } + /* We guarantee to LLDs that they will have at least one + * non-zero sg if the command is a data command. + */ + BUG_ON(ata_is_data(prot) && (!qc->sg || !qc->n_elem || !qc->nbytes)); + + /* ata_sg_setup() may update nbytes */ + qc->raw_nbytes = qc->nbytes; + + if (ata_is_dma(prot) || (ata_is_pio(prot) && + (ap->flags & ATA_FLAG_PIO_DMA))) + if (ata_sg_setup(qc)) + goto sg_err; /* if device is sleeping, schedule softreset and abort the link */ if (unlikely(qc->dev->flags & ATA_DFLAG_SLEEPING)) { @@ -6029,7 +5977,6 @@ void ata_qc_issue(struct ata_queued_cmd *qc) return; sg_err: - qc->flags &= ~ATA_QCFLAG_DMAMAP; qc->err_mask |= AC_ERR_SYSTEM; err: ata_qc_complete(qc); @@ -6064,11 +6011,11 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) switch (qc->tf.protocol) { case ATA_PROT_PIO: case ATA_PROT_NODATA: - case ATA_PROT_ATAPI: - case ATA_PROT_ATAPI_NODATA: + case ATAPI_PROT_PIO: + case ATAPI_PROT_NODATA: qc->tf.flags |= ATA_TFLAG_POLLING; break; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: if (qc->dev->flags & ATA_DFLAG_CDB_INTR) /* see ata_dma_blacklisted() */ BUG(); @@ -6091,7 +6038,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) ap->hsm_task_state = HSM_ST_LAST; if (qc->tf.flags & ATA_TFLAG_POLLING) - ata_port_queue_task(ap, ata_pio_task, qc, 0); + ata_pio_queue_task(ap, qc, 0); break; @@ -6113,7 +6060,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) if (qc->tf.flags & ATA_TFLAG_WRITE) { /* PIO data out protocol */ ap->hsm_task_state = HSM_ST_FIRST; - ata_port_queue_task(ap, ata_pio_task, qc, 0); + ata_pio_queue_task(ap, qc, 0); /* always send first data block using * the ata_pio_task() codepath. @@ -6123,7 +6070,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) ap->hsm_task_state = HSM_ST; if (qc->tf.flags & ATA_TFLAG_POLLING) - ata_port_queue_task(ap, ata_pio_task, qc, 0); + ata_pio_queue_task(ap, qc, 0); /* if polling, ata_pio_task() handles the rest. * otherwise, interrupt handler takes over from here. @@ -6132,8 +6079,8 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) break; - case ATA_PROT_ATAPI: - case ATA_PROT_ATAPI_NODATA: + case ATAPI_PROT_PIO: + case ATAPI_PROT_NODATA: if (qc->tf.flags & ATA_TFLAG_POLLING) ata_qc_set_polling(qc); @@ -6144,10 +6091,10 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) /* send cdb by polling if no cdb interrupt */ if ((!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) || (qc->tf.flags & ATA_TFLAG_POLLING)) - ata_port_queue_task(ap, ata_pio_task, qc, 0); + ata_pio_queue_task(ap, qc, 0); break; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING); ap->ops->tf_load(ap, &qc->tf); /* load tf registers */ @@ -6156,7 +6103,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) /* send cdb by polling if no cdb interrupt */ if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) - ata_port_queue_task(ap, ata_pio_task, qc, 0); + ata_pio_queue_task(ap, qc, 0); break; default: @@ -6200,15 +6147,15 @@ inline unsigned int ata_host_intr(struct ata_port *ap, */ /* Check the ATA_DFLAG_CDB_INTR flag is enough here. - * The flag was turned on only for atapi devices. - * No need to check is_atapi_taskfile(&qc->tf) again. + * The flag was turned on only for atapi devices. No + * need to check ata_is_atapi(qc->tf.protocol) again. */ if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) goto idle_irq; break; case HSM_ST_LAST: if (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATA_PROT_ATAPI_DMA) { + qc->tf.protocol == ATAPI_PROT_DMA) { /* check status of DMA engine */ host_stat = ap->ops->bmdma_status(ap); VPRINTK("ata%u: host_stat 0x%X\n", @@ -6250,7 +6197,7 @@ inline unsigned int ata_host_intr(struct ata_port *ap, ata_hsm_move(ap, qc, status, 0); if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATA_PROT_ATAPI_DMA)) + qc->tf.protocol == ATAPI_PROT_DMA)) ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); return 1; /* irq handled */ @@ -6772,7 +6719,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host) ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN; #endif - INIT_DELAYED_WORK(&ap->port_task, NULL); + INIT_DELAYED_WORK(&ap->port_task, ata_pio_task); INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug); INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan); INIT_LIST_HEAD(&ap->eh_done_q); @@ -6998,7 +6945,9 @@ int ata_host_start(struct ata_host *host) rc = ap->ops->port_start(ap); if (rc) { if (rc != -ENODEV) - dev_printk(KERN_ERR, host->dev, "failed to start port %d (errno=%d)\n", i, rc); + dev_printk(KERN_ERR, host->dev, + "failed to start port %d " + "(errno=%d)\n", i, rc); goto err_out; } } @@ -7587,7 +7536,6 @@ EXPORT_SYMBOL_GPL(ata_host_register); EXPORT_SYMBOL_GPL(ata_host_activate); 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); EXPORT_SYMBOL_GPL(ata_qc_complete); EXPORT_SYMBOL_GPL(ata_qc_complete_multiple); @@ -7599,6 +7547,13 @@ EXPORT_SYMBOL_GPL(ata_std_dev_select); EXPORT_SYMBOL_GPL(sata_print_link_status); EXPORT_SYMBOL_GPL(ata_tf_to_fis); EXPORT_SYMBOL_GPL(ata_tf_from_fis); +EXPORT_SYMBOL_GPL(ata_pack_xfermask); +EXPORT_SYMBOL_GPL(ata_unpack_xfermask); +EXPORT_SYMBOL_GPL(ata_xfer_mask2mode); +EXPORT_SYMBOL_GPL(ata_xfer_mode2mask); +EXPORT_SYMBOL_GPL(ata_xfer_mode2shift); +EXPORT_SYMBOL_GPL(ata_mode_string); +EXPORT_SYMBOL_GPL(ata_id_xfermask); EXPORT_SYMBOL_GPL(ata_check_status); EXPORT_SYMBOL_GPL(ata_altstatus); EXPORT_SYMBOL_GPL(ata_exec_command); @@ -7641,7 +7596,6 @@ EXPORT_SYMBOL_GPL(ata_wait_register); EXPORT_SYMBOL_GPL(ata_busy_sleep); EXPORT_SYMBOL_GPL(ata_wait_after_reset); EXPORT_SYMBOL_GPL(ata_wait_ready); -EXPORT_SYMBOL_GPL(ata_port_queue_task); EXPORT_SYMBOL_GPL(ata_scsi_ioctl); EXPORT_SYMBOL_GPL(ata_scsi_queuecmd); EXPORT_SYMBOL_GPL(ata_scsi_slave_config); @@ -7660,18 +7614,20 @@ EXPORT_SYMBOL_GPL(ata_host_resume); #endif /* CONFIG_PM */ EXPORT_SYMBOL_GPL(ata_id_string); EXPORT_SYMBOL_GPL(ata_id_c_string); -EXPORT_SYMBOL_GPL(ata_id_to_dma_mode); EXPORT_SYMBOL_GPL(ata_scsi_simulate); EXPORT_SYMBOL_GPL(ata_pio_need_iordy); +EXPORT_SYMBOL_GPL(ata_timing_find_mode); EXPORT_SYMBOL_GPL(ata_timing_compute); EXPORT_SYMBOL_GPL(ata_timing_merge); +EXPORT_SYMBOL_GPL(ata_timing_cycle2mode); #ifdef CONFIG_PCI EXPORT_SYMBOL_GPL(pci_test_config_bits); EXPORT_SYMBOL_GPL(ata_pci_init_sff_host); EXPORT_SYMBOL_GPL(ata_pci_init_bmdma); EXPORT_SYMBOL_GPL(ata_pci_prepare_sff_host); +EXPORT_SYMBOL_GPL(ata_pci_activate_sff_host); EXPORT_SYMBOL_GPL(ata_pci_init_one); EXPORT_SYMBOL_GPL(ata_pci_remove_one); #ifdef CONFIG_PM @@ -7713,4 +7669,5 @@ EXPORT_SYMBOL_GPL(ata_dev_try_classify); EXPORT_SYMBOL_GPL(ata_cable_40wire); EXPORT_SYMBOL_GPL(ata_cable_80wire); EXPORT_SYMBOL_GPL(ata_cable_unknown); +EXPORT_SYMBOL_GPL(ata_cable_ignore); EXPORT_SYMBOL_GPL(ata_cable_sata); diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index f0124a8d313..4e31071acc0 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -46,9 +46,26 @@ #include "libata.h" enum { + /* speed down verdicts */ ATA_EH_SPDN_NCQ_OFF = (1 << 0), ATA_EH_SPDN_SPEED_DOWN = (1 << 1), ATA_EH_SPDN_FALLBACK_TO_PIO = (1 << 2), + ATA_EH_SPDN_KEEP_ERRORS = (1 << 3), + + /* error flags */ + ATA_EFLAG_IS_IO = (1 << 0), + ATA_EFLAG_DUBIOUS_XFER = (1 << 1), + + /* error categories */ + ATA_ECAT_NONE = 0, + ATA_ECAT_ATA_BUS = 1, + ATA_ECAT_TOUT_HSM = 2, + ATA_ECAT_UNK_DEV = 3, + ATA_ECAT_DUBIOUS_NONE = 4, + ATA_ECAT_DUBIOUS_ATA_BUS = 5, + ATA_ECAT_DUBIOUS_TOUT_HSM = 6, + ATA_ECAT_DUBIOUS_UNK_DEV = 7, + ATA_ECAT_NR = 8, }; /* Waiting in ->prereset can never be reliable. It's sometimes nice @@ -213,12 +230,13 @@ void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset, if (offset < 0) ata_port_desc(ap, "%s %s%llu@0x%llx", name, type, len, start); else - ata_port_desc(ap, "%s 0x%llx", name, start + offset); + ata_port_desc(ap, "%s 0x%llx", name, + start + (unsigned long long)offset); } #endif /* CONFIG_PCI */ -static void ata_ering_record(struct ata_ering *ering, int is_io, +static void ata_ering_record(struct ata_ering *ering, unsigned int eflags, unsigned int err_mask) { struct ata_ering_entry *ent; @@ -229,11 +247,20 @@ static void ata_ering_record(struct ata_ering *ering, int is_io, ering->cursor %= ATA_ERING_SIZE; ent = &ering->ring[ering->cursor]; - ent->is_io = is_io; + ent->eflags = eflags; ent->err_mask = err_mask; ent->timestamp = get_jiffies_64(); } +static struct ata_ering_entry *ata_ering_top(struct ata_ering *ering) +{ + struct ata_ering_entry *ent = &ering->ring[ering->cursor]; + + if (ent->err_mask) + return ent; + return NULL; +} + static void ata_ering_clear(struct ata_ering *ering) { memset(ering, 0, sizeof(*ering)); @@ -445,9 +472,20 @@ void ata_scsi_error(struct Scsi_Host *host) spin_lock_irqsave(ap->lock, flags); __ata_port_for_each_link(link, ap) { + struct ata_eh_context *ehc = &link->eh_context; + struct ata_device *dev; + memset(&link->eh_context, 0, sizeof(link->eh_context)); link->eh_context.i = link->eh_info; memset(&link->eh_info, 0, sizeof(link->eh_info)); + + ata_link_for_each_dev(dev, link) { + int devno = dev->devno; + + ehc->saved_xfer_mode[devno] = dev->xfer_mode; + if (ata_ncq_enabled(dev)) + ehc->saved_ncq_enabled |= 1 << devno; + } } ap->pflags |= ATA_PFLAG_EH_IN_PROGRESS; @@ -1260,10 +1298,10 @@ static unsigned int atapi_eh_request_sense(struct ata_queued_cmd *qc) /* is it pointless to prefer PIO for "safety reasons"? */ if (ap->flags & ATA_FLAG_PIO_DMA) { - tf.protocol = ATA_PROT_ATAPI_DMA; + tf.protocol = ATAPI_PROT_DMA; tf.feature |= ATAPI_PKT_DMA; } else { - tf.protocol = ATA_PROT_ATAPI; + tf.protocol = ATAPI_PROT_PIO; tf.lbam = SCSI_SENSE_BUFFERSIZE; tf.lbah = 0; } @@ -1451,20 +1489,29 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, return action; } -static int ata_eh_categorize_error(int is_io, unsigned int err_mask) +static int ata_eh_categorize_error(unsigned int eflags, unsigned int err_mask, + int *xfer_ok) { + int base = 0; + + if (!(eflags & ATA_EFLAG_DUBIOUS_XFER)) + *xfer_ok = 1; + + if (!*xfer_ok) + base = ATA_ECAT_DUBIOUS_NONE; + if (err_mask & AC_ERR_ATA_BUS) - return 1; + return base + ATA_ECAT_ATA_BUS; if (err_mask & AC_ERR_TIMEOUT) - return 2; + return base + ATA_ECAT_TOUT_HSM; - if (is_io) { + if (eflags & ATA_EFLAG_IS_IO) { if (err_mask & AC_ERR_HSM) - return 2; + return base + ATA_ECAT_TOUT_HSM; if ((err_mask & (AC_ERR_DEV|AC_ERR_MEDIA|AC_ERR_INVALID)) == AC_ERR_DEV) - return 3; + return base + ATA_ECAT_UNK_DEV; } return 0; @@ -1472,18 +1519,22 @@ static int ata_eh_categorize_error(int is_io, unsigned int err_mask) struct speed_down_verdict_arg { u64 since; - int nr_errors[4]; + int xfer_ok; + int nr_errors[ATA_ECAT_NR]; }; static int speed_down_verdict_cb(struct ata_ering_entry *ent, void *void_arg) { struct speed_down_verdict_arg *arg = void_arg; - int cat = ata_eh_categorize_error(ent->is_io, ent->err_mask); + int cat; if (ent->timestamp < arg->since) return -1; + cat = ata_eh_categorize_error(ent->eflags, ent->err_mask, + &arg->xfer_ok); arg->nr_errors[cat]++; + return 0; } @@ -1495,22 +1546,48 @@ static int speed_down_verdict_cb(struct ata_ering_entry *ent, void *void_arg) * whether NCQ needs to be turned off, transfer speed should be * stepped down, or falling back to PIO is necessary. * - * Cat-1 is ATA_BUS error for any command. + * ECAT_ATA_BUS : ATA_BUS error for any command + * + * ECAT_TOUT_HSM : TIMEOUT for any command or HSM violation for + * IO commands + * + * ECAT_UNK_DEV : Unknown DEV error for IO commands + * + * ECAT_DUBIOUS_* : Identical to above three but occurred while + * data transfer hasn't been verified. + * + * Verdicts are + * + * NCQ_OFF : Turn off NCQ. + * + * SPEED_DOWN : Speed down transfer speed but don't fall back + * to PIO. + * + * FALLBACK_TO_PIO : Fall back to PIO. + * + * Even if multiple verdicts are returned, only one action is + * taken per error. An action triggered by non-DUBIOUS errors + * clears ering, while one triggered by DUBIOUS_* errors doesn't. + * This is to expedite speed down decisions right after device is + * initially configured. + * + * The followings are speed down rules. #1 and #2 deal with + * DUBIOUS errors. * - * Cat-2 is TIMEOUT for any command or HSM violation for known - * supported commands. + * 1. If more than one DUBIOUS_ATA_BUS or DUBIOUS_TOUT_HSM errors + * occurred during last 5 mins, SPEED_DOWN and FALLBACK_TO_PIO. * - * Cat-3 is is unclassified DEV error for known supported - * command. + * 2. If more than one DUBIOUS_TOUT_HSM or DUBIOUS_UNK_DEV errors + * occurred during last 5 mins, NCQ_OFF. * - * NCQ needs to be turned off if there have been more than 3 - * Cat-2 + Cat-3 errors during last 10 minutes. + * 3. If more than 8 ATA_BUS, TOUT_HSM or UNK_DEV errors + * ocurred during last 5 mins, FALLBACK_TO_PIO * - * Speed down is necessary if there have been more than 3 Cat-1 + - * Cat-2 errors or 10 Cat-3 errors during last 10 minutes. + * 4. If more than 3 TOUT_HSM or UNK_DEV errors occurred + * during last 10 mins, NCQ_OFF. * - * Falling back to PIO mode is necessary if there have been more - * than 10 Cat-1 + Cat-2 + Cat-3 errors during last 5 minutes. + * 5. If more than 3 ATA_BUS or TOUT_HSM errors, or more than 6 + * UNK_DEV errors occurred during last 10 mins, SPEED_DOWN. * * LOCKING: * Inherited from caller. @@ -1525,23 +1602,38 @@ static unsigned int ata_eh_speed_down_verdict(struct ata_device *dev) struct speed_down_verdict_arg arg; unsigned int verdict = 0; - /* scan past 10 mins of error history */ + /* scan past 5 mins of error history */ memset(&arg, 0, sizeof(arg)); - arg.since = j64 - min(j64, j10mins); + arg.since = j64 - min(j64, j5mins); ata_ering_map(&dev->ering, speed_down_verdict_cb, &arg); - if (arg.nr_errors[2] + arg.nr_errors[3] > 3) - verdict |= ATA_EH_SPDN_NCQ_OFF; - if (arg.nr_errors[1] + arg.nr_errors[2] > 3 || arg.nr_errors[3] > 10) - verdict |= ATA_EH_SPDN_SPEED_DOWN; + if (arg.nr_errors[ATA_ECAT_DUBIOUS_ATA_BUS] + + arg.nr_errors[ATA_ECAT_DUBIOUS_TOUT_HSM] > 1) + verdict |= ATA_EH_SPDN_SPEED_DOWN | + ATA_EH_SPDN_FALLBACK_TO_PIO | ATA_EH_SPDN_KEEP_ERRORS; + + if (arg.nr_errors[ATA_ECAT_DUBIOUS_TOUT_HSM] + + arg.nr_errors[ATA_ECAT_DUBIOUS_UNK_DEV] > 1) + verdict |= ATA_EH_SPDN_NCQ_OFF | ATA_EH_SPDN_KEEP_ERRORS; - /* scan past 3 mins of error history */ + if (arg.nr_errors[ATA_ECAT_ATA_BUS] + + arg.nr_errors[ATA_ECAT_TOUT_HSM] + + arg.nr_errors[ATA_ECAT_UNK_DEV] > 6) + verdict |= ATA_EH_SPDN_FALLBACK_TO_PIO; + + /* scan past 10 mins of error history */ memset(&arg, 0, sizeof(arg)); - arg.since = j64 - min(j64, j5mins); + arg.since = j64 - min(j64, j10mins); ata_ering_map(&dev->ering, speed_down_verdict_cb, &arg); - if (arg.nr_errors[1] + arg.nr_errors[2] + arg.nr_errors[3] > 10) - verdict |= ATA_EH_SPDN_FALLBACK_TO_PIO; + if (arg.nr_errors[ATA_ECAT_TOUT_HSM] + + arg.nr_errors[ATA_ECAT_UNK_DEV] > 3) + verdict |= ATA_EH_SPDN_NCQ_OFF; + + if (arg.nr_errors[ATA_ECAT_ATA_BUS] + + arg.nr_errors[ATA_ECAT_TOUT_HSM] > 3 || + arg.nr_errors[ATA_ECAT_UNK_DEV] > 6) + verdict |= ATA_EH_SPDN_SPEED_DOWN; return verdict; } @@ -1549,7 +1641,7 @@ static unsigned int ata_eh_speed_down_verdict(struct ata_device *dev) /** * ata_eh_speed_down - record error and speed down if necessary * @dev: Failed device - * @is_io: Did the device fail during normal IO? + * @eflags: mask of ATA_EFLAG_* flags * @err_mask: err_mask of the error * * Record error and examine error history to determine whether @@ -1563,18 +1655,20 @@ static unsigned int ata_eh_speed_down_verdict(struct ata_device *dev) * RETURNS: * Determined recovery action. */ -static unsigned int ata_eh_speed_down(struct ata_device *dev, int is_io, - unsigned int err_mask) +static unsigned int ata_eh_speed_down(struct ata_device *dev, + unsigned int eflags, unsigned int err_mask) { + struct ata_link *link = dev->link; + int xfer_ok = 0; unsigned int verdict; unsigned int action = 0; /* don't bother if Cat-0 error */ - if (ata_eh_categorize_error(is_io, err_mask) == 0) + if (ata_eh_categorize_error(eflags, err_mask, &xfer_ok) == 0) return 0; /* record error and determine whether speed down is necessary */ - ata_ering_record(&dev->ering, is_io, err_mask); + ata_ering_record(&dev->ering, eflags, err_mask); verdict = ata_eh_speed_down_verdict(dev); /* turn off NCQ? */ @@ -1590,7 +1684,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev, int is_io, /* speed down? */ if (verdict & ATA_EH_SPDN_SPEED_DOWN) { /* speed down SATA link speed if possible */ - if (sata_down_spd_limit(dev->link) == 0) { + if (sata_down_spd_limit(link) == 0) { action |= ATA_EH_HARDRESET; goto done; } @@ -1618,10 +1712,10 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev, int is_io, } /* Fall back to PIO? Slowing down to PIO is meaningless for - * SATA. Consider it only for PATA. + * SATA ATA devices. Consider it only for PATA and SATAPI. */ if ((verdict & ATA_EH_SPDN_FALLBACK_TO_PIO) && (dev->spdn_cnt >= 2) && - (dev->link->ap->cbl != ATA_CBL_SATA) && + (link->ap->cbl != ATA_CBL_SATA || dev->class == ATA_DEV_ATAPI) && (dev->xfer_shift != ATA_SHIFT_PIO)) { if (ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO) == 0) { dev->spdn_cnt = 0; @@ -1633,7 +1727,8 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev, int is_io, return 0; done: /* device has been slowed down, blow error history */ - ata_ering_clear(&dev->ering); + if (!(verdict & ATA_EH_SPDN_KEEP_ERRORS)) + ata_ering_clear(&dev->ering); return action; } @@ -1653,8 +1748,8 @@ static void ata_eh_link_autopsy(struct ata_link *link) struct ata_port *ap = link->ap; struct ata_eh_context *ehc = &link->eh_context; struct ata_device *dev; - unsigned int all_err_mask = 0; - int tag, is_io = 0; + unsigned int all_err_mask = 0, eflags = 0; + int tag; u32 serror; int rc; @@ -1713,15 +1808,15 @@ static void ata_eh_link_autopsy(struct ata_link *link) ehc->i.dev = qc->dev; all_err_mask |= qc->err_mask; if (qc->flags & ATA_QCFLAG_IO) - is_io = 1; + eflags |= ATA_EFLAG_IS_IO; } /* enforce default EH actions */ if (ap->pflags & ATA_PFLAG_FROZEN || all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT)) ehc->i.action |= ATA_EH_SOFTRESET; - else if ((is_io && all_err_mask) || - (!is_io && (all_err_mask & ~AC_ERR_DEV))) + else if (((eflags & ATA_EFLAG_IS_IO) && all_err_mask) || + (!(eflags & ATA_EFLAG_IS_IO) && (all_err_mask & ~AC_ERR_DEV))) ehc->i.action |= ATA_EH_REVALIDATE; /* If we have offending qcs and the associated failed device, @@ -1733,14 +1828,21 @@ static void ata_eh_link_autopsy(struct ata_link *link) ehc->i.action &= ~ATA_EH_PERDEV_MASK; } - /* consider speeding down */ + /* propagate timeout to host link */ + if ((all_err_mask & AC_ERR_TIMEOUT) && !ata_is_host_link(link)) + ap->link.eh_context.i.err_mask |= AC_ERR_TIMEOUT; + + /* record error and consider speeding down */ dev = ehc->i.dev; - if (!dev && ata_link_max_devices(link) == 1 && - ata_dev_enabled(link->device)) - dev = link->device; + if (!dev && ((ata_link_max_devices(link) == 1 && + ata_dev_enabled(link->device)))) + dev = link->device; - if (dev) - ehc->i.action |= ata_eh_speed_down(dev, is_io, all_err_mask); + if (dev) { + if (dev->flags & ATA_DFLAG_DUBIOUS_XFER) + eflags |= ATA_EFLAG_DUBIOUS_XFER; + ehc->i.action |= ata_eh_speed_down(dev, eflags, all_err_mask); + } DPRINTK("EXIT\n"); } @@ -1759,8 +1861,14 @@ void ata_eh_autopsy(struct ata_port *ap) { struct ata_link *link; - __ata_port_for_each_link(link, ap) + ata_port_for_each_link(link, ap) ata_eh_link_autopsy(link); + + /* Autopsy of fanout ports can affect host link autopsy. + * Perform host link autopsy last. + */ + if (ap->nr_pmp_links) + ata_eh_link_autopsy(&ap->link); } /** @@ -1870,8 +1978,8 @@ static void ata_eh_link_report(struct ata_link *link) [ATA_PROT_PIO] = "pio", [ATA_PROT_DMA] = "dma", [ATA_PROT_NCQ] = "ncq", - [ATA_PROT_ATAPI] = "pio", - [ATA_PROT_ATAPI_DMA] = "dma", + [ATAPI_PROT_PIO] = "pio", + [ATAPI_PROT_DMA] = "dma", }; snprintf(data_buf, sizeof(data_buf), " %s %u %s", @@ -1879,7 +1987,7 @@ static void ata_eh_link_report(struct ata_link *link) dma_str[qc->dma_dir]); } - if (is_atapi_taskfile(&qc->tf)) + if (ata_is_atapi(qc->tf.protocol)) snprintf(cdb_buf, sizeof(cdb_buf), "cdb %02x %02x %02x %02x %02x %02x %02x %02x " "%02x %02x %02x %02x %02x %02x %02x %02x\n ", @@ -2157,13 +2265,11 @@ int ata_eh_reset(struct ata_link *link, int classify, if (ata_link_offline(link)) continue; - /* apply class override and convert UNKNOWN to NONE */ + /* apply class override */ if (lflags & ATA_LFLAG_ASSUME_ATA) classes[dev->devno] = ATA_DEV_ATA; else if (lflags & ATA_LFLAG_ASSUME_SEMB) classes[dev->devno] = ATA_DEV_SEMB_UNSUP; /* not yet */ - else if (classes[dev->devno] == ATA_DEV_UNKNOWN) - classes[dev->devno] = ATA_DEV_NONE; } /* record current link speed */ @@ -2321,6 +2427,58 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, return rc; } +/** + * ata_set_mode - Program timings and issue SET FEATURES - XFER + * @link: link on which timings will be programmed + * @r_failed_dev: out paramter for failed device + * + * Set ATA device disk transfer mode (PIO3, UDMA6, etc.). If + * ata_set_mode() fails, pointer to the failing device is + * returned in @r_failed_dev. + * + * LOCKING: + * PCI/etc. bus probe sem. + * + * RETURNS: + * 0 on success, negative errno otherwise + */ +int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) +{ + struct ata_port *ap = link->ap; + struct ata_device *dev; + int rc; + + /* if data transfer is verified, clear DUBIOUS_XFER on ering top */ + ata_link_for_each_dev(dev, link) { + if (!(dev->flags & ATA_DFLAG_DUBIOUS_XFER)) { + struct ata_ering_entry *ent; + + ent = ata_ering_top(&dev->ering); + if (ent) + ent->eflags &= ~ATA_EFLAG_DUBIOUS_XFER; + } + } + + /* has private set_mode? */ + if (ap->ops->set_mode) + rc = ap->ops->set_mode(link, r_failed_dev); + else + rc = ata_do_set_mode(link, r_failed_dev); + + /* if transfer mode has changed, set DUBIOUS_XFER on device */ + ata_link_for_each_dev(dev, link) { + struct ata_eh_context *ehc = &link->eh_context; + u8 saved_xfer_mode = ehc->saved_xfer_mode[dev->devno]; + u8 saved_ncq = !!(ehc->saved_ncq_enabled & (1 << dev->devno)); + + if (dev->xfer_mode != saved_xfer_mode || + ata_ncq_enabled(dev) != saved_ncq) + dev->flags |= ATA_DFLAG_DUBIOUS_XFER; + } + + return rc; +} + static int ata_link_nr_enabled(struct ata_link *link) { struct ata_device *dev; @@ -2367,6 +2525,24 @@ static int ata_eh_skip_recovery(struct ata_link *link) return 1; } +static int ata_eh_schedule_probe(struct ata_device *dev) +{ + struct ata_eh_context *ehc = &dev->link->eh_context; + + if (!(ehc->i.probe_mask & (1 << dev->devno)) || + (ehc->did_probe_mask & (1 << dev->devno))) + return 0; + + ata_eh_detach_dev(dev); + ata_dev_init(dev); + ehc->did_probe_mask |= (1 << dev->devno); + ehc->i.action |= ATA_EH_SOFTRESET; + ehc->saved_xfer_mode[dev->devno] = 0; + ehc->saved_ncq_enabled &= ~(1 << dev->devno); + + return 1; +} + static int ata_eh_handle_dev_fail(struct ata_device *dev, int err) { struct ata_eh_context *ehc = &dev->link->eh_context; @@ -2398,16 +2574,9 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err) if (ata_link_offline(dev->link)) ata_eh_detach_dev(dev); - /* probe if requested */ - if ((ehc->i.probe_mask & (1 << dev->devno)) && - !(ehc->did_probe_mask & (1 << dev->devno))) { - ata_eh_detach_dev(dev); - ata_dev_init(dev); - + /* schedule probe if necessary */ + if (ata_eh_schedule_probe(dev)) ehc->tries[dev->devno] = ATA_EH_DEV_TRIES; - ehc->did_probe_mask |= (1 << dev->devno); - ehc->i.action |= ATA_EH_SOFTRESET; - } return 1; } else { @@ -2484,14 +2653,9 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset, if (dev->flags & ATA_DFLAG_DETACH) ata_eh_detach_dev(dev); - if (!ata_dev_enabled(dev) && - ((ehc->i.probe_mask & (1 << dev->devno)) && - !(ehc->did_probe_mask & (1 << dev->devno)))) { - ata_eh_detach_dev(dev); - ata_dev_init(dev); - ehc->did_probe_mask |= (1 << dev->devno); - ehc->i.action |= ATA_EH_SOFTRESET; - } + /* schedule probe if necessary */ + if (!ata_dev_enabled(dev)) + ata_eh_schedule_probe(dev); } } @@ -2739,6 +2903,7 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap) if (ap->ops->port_suspend) rc = ap->ops->port_suspend(ap, ap->pm_mesg); + ata_acpi_set_state(ap, PMSG_SUSPEND); out: /* report result */ spin_lock_irqsave(ap->lock, flags); @@ -2784,6 +2949,8 @@ static void ata_eh_handle_port_resume(struct ata_port *ap) WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED)); + ata_acpi_set_state(ap, PMSG_ON); + if (ap->ops->port_resume) rc = ap->ops->port_resume(ap); diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index c0c4dbcde09..caef2bbd4a8 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -495,14 +495,12 @@ static void sata_pmp_quirks(struct ata_port *ap) /* SError.N need a kick in the ass to get working */ link->flags |= ATA_LFLAG_HRST_TO_RESUME; - /* class code report is unreliable */ - if (link->pmp < 5) - link->flags |= ATA_LFLAG_ASSUME_ATA; - - /* The config device, which can be either at - * port 0 or 5, locks up on SRST. + /* Class code report is unreliable and SRST + * times out under certain configurations. + * Config device can be at port 0 or 5 and + * locks up on SRST. */ - if (link->pmp == 0 || link->pmp == 5) + if (link->pmp <= 5) link->flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index a883bb03d4c..c02c490122d 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -517,7 +517,7 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, qc->scsicmd = cmd; qc->scsidone = done; - qc->__sg = scsi_sglist(cmd); + qc->sg = scsi_sglist(cmd); qc->n_elem = scsi_sg_count(cmd); } else { cmd->result = (DID_OK << 16) | (QUEUE_FULL << 1); @@ -839,7 +839,17 @@ static void ata_scsi_dev_config(struct scsi_device *sdev, if (dev->class == ATA_DEV_ATAPI) { struct request_queue *q = sdev->request_queue; blk_queue_max_hw_segments(q, q->max_hw_segments - 1); - } + + /* set the min alignment */ + blk_queue_update_dma_alignment(sdev->request_queue, + ATA_DMA_PAD_SZ - 1); + } else + /* ATA devices must be sector aligned */ + blk_queue_update_dma_alignment(sdev->request_queue, + ATA_SECT_SIZE - 1); + + if (dev->class == ATA_DEV_ATA) + sdev->manage_start_stop = 1; if (dev->flags & ATA_DFLAG_AN) set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); @@ -872,12 +882,10 @@ int ata_scsi_slave_config(struct scsi_device *sdev) ata_scsi_sdev_config(sdev); - sdev->manage_start_stop = 1; - if (dev) ata_scsi_dev_config(sdev, dev); - return 0; /* scsi layer doesn't check return value, sigh */ + return 0; } /** @@ -2209,7 +2217,7 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf, /* sector size */ ATA_SCSI_RBUF_SET(6, ATA_SECT_SIZE >> 8); - ATA_SCSI_RBUF_SET(7, ATA_SECT_SIZE); + ATA_SCSI_RBUF_SET(7, ATA_SECT_SIZE & 0xff); } else { /* sector count, 64-bit */ ATA_SCSI_RBUF_SET(0, last_lba >> (8 * 7)); @@ -2223,7 +2231,7 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf, /* sector size */ ATA_SCSI_RBUF_SET(10, ATA_SECT_SIZE >> 8); - ATA_SCSI_RBUF_SET(11, ATA_SECT_SIZE); + ATA_SCSI_RBUF_SET(11, ATA_SECT_SIZE & 0xff); } return 0; @@ -2330,7 +2338,7 @@ static void atapi_request_sense(struct ata_queued_cmd *qc) DPRINTK("ATAPI request sense\n"); /* FIXME: is this needed? */ - memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); ap->ops->tf_read(ap, &qc->tf); @@ -2340,7 +2348,9 @@ static void atapi_request_sense(struct ata_queued_cmd *qc) ata_qc_reinit(qc); - ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer)); + /* setup sg table and init transfer direction */ + sg_init_one(&qc->sgent, cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); + ata_sg_init(qc, &qc->sgent, 1); qc->dma_dir = DMA_FROM_DEVICE; memset(&qc->cdb, 0, qc->dev->cdb_len); @@ -2351,10 +2361,10 @@ static void atapi_request_sense(struct ata_queued_cmd *qc) qc->tf.command = ATA_CMD_PACKET; if (ata_pio_use_silly(ap)) { - qc->tf.protocol = ATA_PROT_ATAPI_DMA; + qc->tf.protocol = ATAPI_PROT_DMA; qc->tf.feature |= ATAPI_PKT_DMA; } else { - qc->tf.protocol = ATA_PROT_ATAPI; + qc->tf.protocol = ATAPI_PROT_PIO; qc->tf.lbam = SCSI_SENSE_BUFFERSIZE; qc->tf.lbah = 0; } @@ -2525,12 +2535,12 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) if (using_pio || nodata) { /* no data, or PIO data xfer */ if (nodata) - qc->tf.protocol = ATA_PROT_ATAPI_NODATA; + qc->tf.protocol = ATAPI_PROT_NODATA; else - qc->tf.protocol = ATA_PROT_ATAPI; + qc->tf.protocol = ATAPI_PROT_PIO; } else { /* DMA data xfer */ - qc->tf.protocol = ATA_PROT_ATAPI_DMA; + qc->tf.protocol = ATAPI_PROT_DMA; qc->tf.feature |= ATAPI_PKT_DMA; if (atapi_dmadir && (scmd->sc_data_direction != DMA_TO_DEVICE)) @@ -2689,6 +2699,24 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) if ((tf->protocol = ata_scsi_map_proto(cdb[1])) == ATA_PROT_UNKNOWN) goto invalid_fld; + /* + * Filter TPM commands by default. These provide an + * essentially uncontrolled encrypted "back door" between + * applications and the disk. Set libata.allow_tpm=1 if you + * have a real reason for wanting to use them. This ensures + * that installed software cannot easily mess stuff up without + * user intent. DVR type users will probably ship with this enabled + * for movie content management. + * + * Note that for ATA8 we can issue a DCS change and DCS freeze lock + * for this and should do in future but that it is not sufficient as + * DCS is an optional feature set. Thus we also do the software filter + * so that we comply with the TC consortium stated goal that the user + * can turn off TC features of their system. + */ + if (tf->command >= 0x5C && tf->command <= 0x5F && !libata_allow_tpm) + goto invalid_fld; + /* We may not issue DMA commands if no DMA mode is set */ if (tf->protocol == ATA_PROT_DMA && dev->dma_mode == 0) goto invalid_fld; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 48acc09dab9..60cd4b17976 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -147,7 +147,9 @@ void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) * @tf: ATA taskfile register set for storing input * * Reads ATA taskfile registers for currently-selected device - * into @tf. + * into @tf. Assumes the device has a fully SFF compliant task file + * layout and behaviour. If you device does not (eg has a different + * status method) then you will need to provide a replacement tf_read * * LOCKING: * Inherited from caller. @@ -156,7 +158,7 @@ void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) { struct ata_ioports *ioaddr = &ap->ioaddr; - tf->command = ata_chk_status(ap); + tf->command = ata_check_status(ap); tf->feature = ioread8(ioaddr->error_addr); tf->nsect = ioread8(ioaddr->nsect_addr); tf->lbal = ioread8(ioaddr->lbal_addr); @@ -415,7 +417,7 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, ap->hsm_task_state = HSM_ST_IDLE; if (qc && (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATA_PROT_ATAPI_DMA)) { + qc->tf.protocol == ATAPI_PROT_DMA)) { u8 host_stat; host_stat = ap->ops->bmdma_status(ap); @@ -549,7 +551,7 @@ int ata_pci_init_bmdma(struct ata_host *host) return rc; /* request and iomap DMA region */ - rc = pcim_iomap_regions(pdev, 1 << 4, DRV_NAME); + rc = pcim_iomap_regions(pdev, 1 << 4, dev_driver_string(gdev)); if (rc) { dev_printk(KERN_ERR, gdev, "failed to request/iomap BAR4\n"); return -ENOMEM; @@ -619,7 +621,8 @@ int ata_pci_init_sff_host(struct ata_host *host) continue; } - rc = pcim_iomap_regions(pdev, 0x3 << base, DRV_NAME); + rc = pcim_iomap_regions(pdev, 0x3 << base, + dev_driver_string(gdev)); if (rc) { dev_printk(KERN_WARNING, gdev, "failed to request/iomap BARs for port %d " @@ -711,6 +714,99 @@ int ata_pci_prepare_sff_host(struct pci_dev *pdev, } /** + * ata_pci_activate_sff_host - start SFF host, request IRQ and register it + * @host: target SFF ATA host + * @irq_handler: irq_handler used when requesting IRQ(s) + * @sht: scsi_host_template to use when registering the host + * + * This is the counterpart of ata_host_activate() for SFF ATA + * hosts. This separate helper is necessary because SFF hosts + * use two separate interrupts in legacy mode. + * + * LOCKING: + * Inherited from calling layer (may sleep). + * + * RETURNS: + * 0 on success, -errno otherwise. + */ +int ata_pci_activate_sff_host(struct ata_host *host, + irq_handler_t irq_handler, + struct scsi_host_template *sht) +{ + struct device *dev = host->dev; + struct pci_dev *pdev = to_pci_dev(dev); + const char *drv_name = dev_driver_string(host->dev); + int legacy_mode = 0, rc; + + rc = ata_host_start(host); + if (rc) + return rc; + + if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { + u8 tmp8, mask; + + /* TODO: What if one channel is in native mode ... */ + pci_read_config_byte(pdev, PCI_CLASS_PROG, &tmp8); + mask = (1 << 2) | (1 << 0); + if ((tmp8 & mask) != mask) + legacy_mode = 1; +#if defined(CONFIG_NO_ATA_LEGACY) + /* Some platforms with PCI limits cannot address compat + port space. In that case we punt if their firmware has + 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; + } +#endif + } + + if (!devres_open_group(dev, NULL, GFP_KERNEL)) + return -ENOMEM; + + if (!legacy_mode && pdev->irq) { + rc = devm_request_irq(dev, pdev->irq, irq_handler, + IRQF_SHARED, drv_name, host); + if (rc) + goto out; + + ata_port_desc(host->ports[0], "irq %d", pdev->irq); + ata_port_desc(host->ports[1], "irq %d", pdev->irq); + } else if (legacy_mode) { + if (!ata_port_is_dummy(host->ports[0])) { + rc = devm_request_irq(dev, ATA_PRIMARY_IRQ(pdev), + irq_handler, IRQF_SHARED, + drv_name, host); + if (rc) + goto out; + + ata_port_desc(host->ports[0], "irq %d", + ATA_PRIMARY_IRQ(pdev)); + } + + if (!ata_port_is_dummy(host->ports[1])) { + rc = devm_request_irq(dev, ATA_SECONDARY_IRQ(pdev), + irq_handler, IRQF_SHARED, + drv_name, host); + if (rc) + goto out; + + ata_port_desc(host->ports[1], "irq %d", + ATA_SECONDARY_IRQ(pdev)); + } + } + + rc = ata_host_register(host, sht); + out: + if (rc == 0) + devres_remove_group(dev, NULL); + else + devres_release_group(dev, NULL); + + return rc; +} + +/** * ata_pci_init_one - Initialize/register PCI IDE host controller * @pdev: Controller to be initialized * @ppi: array of port_info, must be enough for two ports @@ -739,8 +835,6 @@ int ata_pci_init_one(struct pci_dev *pdev, struct device *dev = &pdev->dev; const struct ata_port_info *pi = NULL; struct ata_host *host = NULL; - u8 mask; - int legacy_mode = 0; int i, rc; DPRINTK("ENTER\n"); @@ -762,92 +856,24 @@ int ata_pci_init_one(struct pci_dev *pdev, if (!devres_open_group(dev, NULL, GFP_KERNEL)) return -ENOMEM; - /* FIXME: Really for ATA it isn't safe because the device may be - multi-purpose and we want to leave it alone if it was already - enabled. Secondly for shared use as Arjan says we want refcounting - - Checking dev->is_enabled is insufficient as this is not set at - boot for the primary video which is BIOS enabled - */ - rc = pcim_enable_device(pdev); if (rc) - goto err_out; - - if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { - u8 tmp8; - - /* TODO: What if one channel is in native mode ... */ - pci_read_config_byte(pdev, PCI_CLASS_PROG, &tmp8); - mask = (1 << 2) | (1 << 0); - if ((tmp8 & mask) != mask) - legacy_mode = 1; -#if defined(CONFIG_NO_ATA_LEGACY) - /* Some platforms with PCI limits cannot address compat - port space. In that case we punt if their firmware has - left a device in compatibility mode */ - if (legacy_mode) { - printk(KERN_ERR "ata: Compatibility mode ATA is not supported on this platform, skipping.\n"); - rc = -EOPNOTSUPP; - goto err_out; - } -#endif - } + goto out; - /* prepare host */ + /* prepare and activate SFF host */ rc = ata_pci_prepare_sff_host(pdev, ppi, &host); if (rc) - goto err_out; + goto out; pci_set_master(pdev); + rc = ata_pci_activate_sff_host(host, pi->port_ops->irq_handler, + pi->sht); + out: + if (rc == 0) + devres_remove_group(&pdev->dev, NULL); + else + devres_release_group(&pdev->dev, NULL); - /* start host and request IRQ */ - rc = ata_host_start(host); - if (rc) - goto err_out; - - if (!legacy_mode) { - rc = devm_request_irq(dev, pdev->irq, pi->port_ops->irq_handler, - IRQF_SHARED, DRV_NAME, host); - if (rc) - goto err_out; - - ata_port_desc(host->ports[0], "irq %d", pdev->irq); - ata_port_desc(host->ports[1], "irq %d", pdev->irq); - } else { - if (!ata_port_is_dummy(host->ports[0])) { - rc = devm_request_irq(dev, ATA_PRIMARY_IRQ(pdev), - pi->port_ops->irq_handler, - IRQF_SHARED, DRV_NAME, host); - if (rc) - goto err_out; - - ata_port_desc(host->ports[0], "irq %d", - ATA_PRIMARY_IRQ(pdev)); - } - - if (!ata_port_is_dummy(host->ports[1])) { - rc = devm_request_irq(dev, ATA_SECONDARY_IRQ(pdev), - pi->port_ops->irq_handler, - IRQF_SHARED, DRV_NAME, host); - if (rc) - goto err_out; - - ata_port_desc(host->ports[1], "irq %d", - ATA_SECONDARY_IRQ(pdev)); - } - } - - /* register */ - rc = ata_host_register(host, pi->sht); - if (rc) - goto err_out; - - devres_remove_group(dev, NULL); - return 0; - -err_out: - devres_release_group(dev, NULL); return rc; } diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index bbe59c2fd1e..409ffb9af16 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -60,6 +60,7 @@ extern int atapi_dmadir; extern int atapi_passthru16; extern int libata_fua; extern int libata_noacpi; +extern int libata_allow_tpm; extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, @@ -85,7 +86,6 @@ extern int ata_dev_configure(struct ata_device *dev); extern int sata_down_spd_limit(struct ata_link *link); extern int sata_set_spd_needed(struct ata_link *link); extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel); -extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev); extern void ata_sg_clean(struct ata_queued_cmd *qc); extern void ata_qc_free(struct ata_queued_cmd *qc); extern void ata_qc_issue(struct ata_queued_cmd *qc); @@ -113,6 +113,7 @@ extern int ata_acpi_on_suspend(struct ata_port *ap); extern void ata_acpi_on_resume(struct ata_port *ap); extern int ata_acpi_on_devcfg(struct ata_device *dev); extern void ata_acpi_on_disable(struct ata_device *dev); +extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state); #else static inline void ata_acpi_associate_sata_port(struct ata_port *ap) { } static inline void ata_acpi_associate(struct ata_host *host) { } @@ -121,6 +122,8 @@ static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; } static inline void ata_acpi_on_resume(struct ata_port *ap) { } static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; } static inline void ata_acpi_on_disable(struct ata_device *dev) { } +static inline void ata_acpi_set_state(struct ata_port *ap, + pm_message_t state) { } #endif /* libata-scsi.c */ @@ -183,6 +186,7 @@ extern void ata_eh_report(struct ata_port *ap); extern int ata_eh_reset(struct ata_link *link, int classify, ata_prereset_fn_t prereset, ata_reset_fn_t softreset, ata_reset_fn_t hardreset, ata_postreset_fn_t postreset); +extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev); extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset, ata_reset_fn_t softreset, ata_reset_fn_t hardreset, ata_postreset_fn_t postreset, diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c index e4542ab9c7f..244098a80ce 100644 --- a/drivers/ata/pata_acpi.c +++ b/drivers/ata/pata_acpi.c @@ -81,17 +81,6 @@ static void pacpi_error_handler(struct ata_port *ap) NULL, ata_std_postreset); } -/* Welcome to ACPI, bring a bucket */ -static const unsigned int pio_cycle[7] = { - 600, 383, 240, 180, 120, 100, 80 -}; -static const unsigned int mwdma_cycle[5] = { - 480, 150, 120, 100, 80 -}; -static const unsigned int udma_cycle[7] = { - 120, 80, 60, 45, 30, 20, 15 -}; - /** * pacpi_discover_modes - filter non ACPI modes * @adev: ATA device @@ -103,56 +92,20 @@ static const unsigned int udma_cycle[7] = { static unsigned long pacpi_discover_modes(struct ata_port *ap, struct ata_device *adev) { - int unit = adev->devno; struct pata_acpi *acpi = ap->private_data; - int i; - u32 t; - unsigned long mask = (0x7f << ATA_SHIFT_UDMA) | (0x7 << ATA_SHIFT_MWDMA) | (0x1F << ATA_SHIFT_PIO); - struct ata_acpi_gtm probe; + unsigned int xfer_mask; probe = acpi->gtm; - /* We always use the 0 slot for crap hardware */ - if (!(probe.flags & 0x10)) - unit = 0; - ata_acpi_gtm(ap, &probe); - /* Start by scanning for PIO modes */ - for (i = 0; i < 7; i++) { - t = probe.drive[unit].pio; - if (t <= pio_cycle[i]) { - mask |= (2 << (ATA_SHIFT_PIO + i)) - 1; - break; - } - } + xfer_mask = ata_acpi_gtm_xfermask(adev, &probe); - /* See if we have MWDMA or UDMA data. We don't bother with MWDMA - if UDMA is availabe as this means the BIOS set UDMA and our - error changedown if it works is UDMA to PIO anyway */ - if (probe.flags & (1 << (2 * unit))) { - /* MWDMA */ - for (i = 0; i < 5; i++) { - t = probe.drive[unit].dma; - if (t <= mwdma_cycle[i]) { - mask |= (2 << (ATA_SHIFT_MWDMA + i)) - 1; - break; - } - } - } else { - /* UDMA */ - for (i = 0; i < 7; i++) { - t = probe.drive[unit].dma; - if (t <= udma_cycle[i]) { - mask |= (2 << (ATA_SHIFT_UDMA + i)) - 1; - break; - } - } - } - if (mask & (0xF8 << ATA_SHIFT_UDMA)) + if (xfer_mask & (0xF8 << ATA_SHIFT_UDMA)) ap->cbl = ATA_CBL_PATA80; - return mask; + + return xfer_mask; } /** @@ -180,12 +133,14 @@ static void pacpi_set_piomode(struct ata_port *ap, struct ata_device *adev) { int unit = adev->devno; struct pata_acpi *acpi = ap->private_data; + const struct ata_timing *t; if (!(acpi->gtm.flags & 0x10)) unit = 0; /* Now stuff the nS values into the structure */ - acpi->gtm.drive[unit].pio = pio_cycle[adev->pio_mode - XFER_PIO_0]; + t = ata_timing_find_mode(adev->pio_mode); + acpi->gtm.drive[unit].pio = t->cycle; ata_acpi_stm(ap, &acpi->gtm); /* See what mode we actually got */ ata_acpi_gtm(ap, &acpi->gtm); @@ -201,16 +156,18 @@ static void pacpi_set_dmamode(struct ata_port *ap, struct ata_device *adev) { int unit = adev->devno; struct pata_acpi *acpi = ap->private_data; + const struct ata_timing *t; if (!(acpi->gtm.flags & 0x10)) unit = 0; /* Now stuff the nS values into the structure */ + t = ata_timing_find_mode(adev->dma_mode); if (adev->dma_mode >= XFER_UDMA_0) { - acpi->gtm.drive[unit].dma = udma_cycle[adev->dma_mode - XFER_UDMA_0]; + acpi->gtm.drive[unit].dma = t->udma; acpi->gtm.flags |= (1 << (2 * unit)); } else { - acpi->gtm.drive[unit].dma = mwdma_cycle[adev->dma_mode - XFER_MW_DMA_0]; + acpi->gtm.drive[unit].dma = t->cycle; acpi->gtm.flags &= ~(1 << (2 * unit)); } ata_acpi_stm(ap, &acpi->gtm); diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 8caf9afc8b9..7e68edf3c0f 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -64,7 +64,7 @@ static int ali_cable_override(struct pci_dev *pdev) if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF) return 1; /* Mitac 8317 (Winbook-A) and relatives */ - if (pdev->subsystem_vendor == 0x1071 && pdev->subsystem_device == 0x8317) + if (pdev->subsystem_vendor == 0x1071 && pdev->subsystem_device == 0x8317) return 1; /* Systems by DMI */ if (dmi_check_system(cable_dmi_table)) diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index 3cc27b51465..761a66608d7 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -220,6 +220,62 @@ static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev) timing_setup(ap, adev, 0x40, adev->dma_mode, 4); } +/* Both host-side and drive-side detection results are worthless on NV + * PATAs. Ignore them and just follow what BIOS configured. Both the + * current configuration in PCI config reg and ACPI GTM result are + * cached during driver attach and are consulted to select transfer + * mode. + */ +static unsigned long nv_mode_filter(struct ata_device *dev, + unsigned long xfer_mask) +{ + static const unsigned int udma_mask_map[] = + { ATA_UDMA2, ATA_UDMA1, ATA_UDMA0, 0, + ATA_UDMA3, ATA_UDMA4, ATA_UDMA5, ATA_UDMA6 }; + struct ata_port *ap = dev->link->ap; + char acpi_str[32] = ""; + u32 saved_udma, udma; + const struct ata_acpi_gtm *gtm; + unsigned long bios_limit = 0, acpi_limit = 0, limit; + + /* find out what BIOS configured */ + udma = saved_udma = (unsigned long)ap->host->private_data; + + if (ap->port_no == 0) + udma >>= 16; + if (dev->devno == 0) + udma >>= 8; + + if ((udma & 0xc0) == 0xc0) + bios_limit = ata_pack_xfermask(0, 0, udma_mask_map[udma & 0x7]); + + /* consult ACPI GTM too */ + gtm = ata_acpi_init_gtm(ap); + if (gtm) { + acpi_limit = ata_acpi_gtm_xfermask(dev, gtm); + + snprintf(acpi_str, sizeof(acpi_str), " (%u:%u:0x%x)", + gtm->drive[0].dma, gtm->drive[1].dma, gtm->flags); + } + + /* be optimistic, EH can take care of things if something goes wrong */ + limit = bios_limit | acpi_limit; + + /* If PIO or DMA isn't configured at all, don't limit. Let EH + * handle it. + */ + if (!(limit & ATA_MASK_PIO)) + limit |= ATA_MASK_PIO; + if (!(limit & (ATA_MASK_MWDMA | ATA_MASK_UDMA))) + limit |= ATA_MASK_MWDMA | ATA_MASK_UDMA; + + ata_port_printk(ap, KERN_DEBUG, "nv_mode_filter: 0x%lx&0x%lx->0x%lx, " + "BIOS=0x%lx (0x%x) ACPI=0x%lx%s\n", + xfer_mask, limit, xfer_mask & limit, bios_limit, + saved_udma, acpi_limit, acpi_str); + + return xfer_mask & limit; +} /** * nv_probe_init - cable detection @@ -252,31 +308,6 @@ static void nv_error_handler(struct ata_port *ap) ata_std_postreset); } -static int nv_cable_detect(struct ata_port *ap) -{ - static const u8 bitmask[2] = {0x03, 0x0C}; - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u8 ata66; - u16 udma; - int cbl; - - pci_read_config_byte(pdev, 0x52, &ata66); - if (ata66 & bitmask[ap->port_no]) - cbl = ATA_CBL_PATA80; - else - cbl = ATA_CBL_PATA40; - - /* We now have to double check because the Nvidia boxes BIOS - doesn't always set the cable bits but does set mode bits */ - pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma); - if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400) - cbl = ATA_CBL_PATA80; - /* And a triple check across suspend/resume with ACPI around */ - if (ata_acpi_cbl_80wire(ap)) - cbl = ATA_CBL_PATA80; - return cbl; -} - /** * nv100_set_piomode - set initial PIO mode data * @ap: ATA interface @@ -314,6 +345,14 @@ static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev) timing_setup(ap, adev, 0x50, adev->dma_mode, 4); } +static void nv_host_stop(struct ata_host *host) +{ + u32 udma = (unsigned long)host->private_data; + + /* restore PCI config register 0x60 */ + pci_write_config_dword(to_pci_dev(host->dev), 0x60, udma); +} + static struct scsi_host_template amd_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -478,7 +517,8 @@ static struct ata_port_operations nv100_port_ops = { .thaw = ata_bmdma_thaw, .error_handler = nv_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, - .cable_detect = nv_cable_detect, + .cable_detect = ata_cable_ignore, + .mode_filter = nv_mode_filter, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -495,6 +535,7 @@ static struct ata_port_operations nv100_port_ops = { .irq_on = ata_irq_on, .port_start = ata_sff_port_start, + .host_stop = nv_host_stop, }; static struct ata_port_operations nv133_port_ops = { @@ -511,7 +552,8 @@ static struct ata_port_operations nv133_port_ops = { .thaw = ata_bmdma_thaw, .error_handler = nv_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, - .cable_detect = nv_cable_detect, + .cable_detect = ata_cable_ignore, + .mode_filter = nv_mode_filter, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -528,6 +570,7 @@ static struct ata_port_operations nv133_port_ops = { .irq_on = ata_irq_on, .port_start = ata_sff_port_start, + .host_stop = nv_host_stop, }; static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) @@ -614,7 +657,8 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) .port_ops = &amd100_port_ops } }; - const struct ata_port_info *ppi[] = { NULL, NULL }; + struct ata_port_info pi; + const struct ata_port_info *ppi[] = { &pi, NULL }; static int printed_version; int type = id->driver_data; u8 fifo; @@ -628,6 +672,19 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (type == 1 && pdev->revision > 0x7) type = 2; + /* Serenade ? */ + if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD && + pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) + type = 6; /* UDMA 100 only */ + + /* + * Okay, type is determined now. Apply type-specific workarounds. + */ + pi = info[type]; + + if (type < 3) + ata_pci_clear_simplex(pdev); + /* Check for AMD7411 */ if (type == 3) /* FIFO is broken */ @@ -635,16 +692,17 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) else pci_write_config_byte(pdev, 0x41, fifo | 0xF0); - /* Serenade ? */ - if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD && - pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) - type = 6; /* UDMA 100 only */ + /* Cable detection on Nvidia chips doesn't work too well, + * cache BIOS programmed UDMA mode. + */ + if (type == 7 || type == 8) { + u32 udma; - if (type < 3) - ata_pci_clear_simplex(pdev); + pci_read_config_dword(pdev, 0x60, &udma); + pi.private_data = (void *)(unsigned long)udma; + } /* And fire it up */ - ppi[0] = &info[type]; return ata_pci_init_one(pdev, ppi); } diff --git a/drivers/ata/pata_at32.c b/drivers/ata/pata_at32.c index 67e574de31e..db057b183d6 100644 --- a/drivers/ata/pata_at32.c +++ b/drivers/ata/pata_at32.c @@ -324,7 +324,7 @@ static int __init pata_at32_probe(struct platform_device *pdev) if (irq < 0) return irq; - /* Setup struct containing private infomation */ + /* Setup struct containing private information */ info = kzalloc(sizeof(struct at32_ide_info), GFP_KERNEL); if (!info) return -ENOMEM; diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c index 088a41f4e65..7f87f105c2f 100644 --- a/drivers/ata/pata_bf54x.c +++ b/drivers/ata/pata_bf54x.c @@ -299,7 +299,7 @@ static void bfin_set_piomode(struct ata_port *ap, struct ata_device *adev) */ n6 = num_clocks_min(t6min, fsclk); if (mode >= 0 && mode <= 4 && n6 >= 1) { - pr_debug("set piomode: mode=%d, fsclk=%ud\n", mode, fsclk); + dev_dbg(adev->link->ap->dev, "set piomode: mode=%d, fsclk=%ud\n", mode, fsclk); /* calculate the timing values for register transfers. */ while (mode > 0 && pio_fsclk[mode] > fsclk) mode--; @@ -376,7 +376,7 @@ static void bfin_set_dmamode(struct ata_port *ap, struct ata_device *adev) mode = adev->dma_mode - XFER_UDMA_0; if (mode >= 0 && mode <= 5) { - pr_debug("set udmamode: mode=%d\n", mode); + dev_dbg(adev->link->ap->dev, "set udmamode: mode=%d\n", mode); /* the most restrictive timing value is t6 and tc, * the DIOW - data hold. If one SCLK pulse is longer * than this minimum value then register @@ -433,7 +433,7 @@ static void bfin_set_dmamode(struct ata_port *ap, struct ata_device *adev) mode = adev->dma_mode - XFER_MW_DMA_0; if (mode >= 0 && mode <= 2) { - pr_debug("set mdmamode: mode=%d\n", mode); + dev_dbg(adev->link->ap->dev, "set mdmamode: mode=%d\n", mode); /* the most restrictive timing value is tf, the DMACK to * read data released. If one SCLK pulse is longer than * this maximum value then the MDMA mode @@ -697,7 +697,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) write_atapi_register(base, ATA_REG_LBAL, tf->hob_lbal); write_atapi_register(base, ATA_REG_LBAM, tf->hob_lbam); write_atapi_register(base, ATA_REG_LBAH, tf->hob_lbah); - pr_debug("hob: feat 0x%X nsect 0x%X, lba 0x%X " + dev_dbg(ap->dev, "hob: feat 0x%X nsect 0x%X, lba 0x%X " "0x%X 0x%X\n", tf->hob_feature, tf->hob_nsect, @@ -711,7 +711,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) write_atapi_register(base, ATA_REG_LBAL, tf->lbal); write_atapi_register(base, ATA_REG_LBAM, tf->lbam); write_atapi_register(base, ATA_REG_LBAH, tf->lbah); - pr_debug("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", + dev_dbg(ap->dev, "feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n", tf->feature, tf->nsect, tf->lbal, @@ -721,7 +721,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) if (tf->flags & ATA_TFLAG_DEVICE) { write_atapi_register(base, ATA_REG_DEVICE, tf->device); - pr_debug("device 0x%X\n", tf->device); + dev_dbg(ap->dev, "device 0x%X\n", tf->device); } ata_wait_idle(ap); @@ -782,7 +782,7 @@ static void bfin_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) { void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - pr_debug("ata%u: cmd 0x%X\n", ap->print_id, tf->command); + dev_dbg(ap->dev, "ata%u: cmd 0x%X\n", ap->print_id, tf->command); write_atapi_register(base, ATA_REG_CMD, tf->command); ata_pause(ap); @@ -832,14 +832,15 @@ static void bfin_bmdma_setup(struct ata_queued_cmd *qc) { unsigned short config = WDSIZE_16; struct scatterlist *sg; + unsigned int si; - pr_debug("in atapi dma setup\n"); + dev_dbg(qc->ap->dev, "in atapi dma setup\n"); /* Program the ATA_CTRL register with dir */ if (qc->tf.flags & ATA_TFLAG_WRITE) { /* fill the ATAPI DMA controller */ set_dma_config(CH_ATAPI_TX, config); set_dma_x_modify(CH_ATAPI_TX, 2); - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { set_dma_start_addr(CH_ATAPI_TX, sg_dma_address(sg)); set_dma_x_count(CH_ATAPI_TX, sg_dma_len(sg) >> 1); } @@ -848,7 +849,7 @@ static void bfin_bmdma_setup(struct ata_queued_cmd *qc) /* fill the ATAPI DMA controller */ set_dma_config(CH_ATAPI_RX, config); set_dma_x_modify(CH_ATAPI_RX, 2); - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { set_dma_start_addr(CH_ATAPI_RX, sg_dma_address(sg)); set_dma_x_count(CH_ATAPI_RX, sg_dma_len(sg) >> 1); } @@ -867,8 +868,9 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; struct scatterlist *sg; + unsigned int si; - pr_debug("in atapi dma start\n"); + dev_dbg(qc->ap->dev, "in atapi dma start\n"); if (!(ap->udma_mask || ap->mwdma_mask)) return; @@ -881,12 +883,12 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc) * data cache is enabled. Otherwise, this loop * is an empty loop and optimized out. */ - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { flush_dcache_range(sg_dma_address(sg), sg_dma_address(sg) + sg_dma_len(sg)); } enable_dma(CH_ATAPI_TX); - pr_debug("enable udma write\n"); + dev_dbg(qc->ap->dev, "enable udma write\n"); /* Send ATA DMA write command */ bfin_exec_command(ap, &qc->tf); @@ -896,7 +898,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc) | XFER_DIR)); } else { enable_dma(CH_ATAPI_RX); - pr_debug("enable udma read\n"); + dev_dbg(qc->ap->dev, "enable udma read\n"); /* Send ATA DMA read command */ bfin_exec_command(ap, &qc->tf); @@ -910,7 +912,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc) ATAPI_SET_CONTROL(base, ATAPI_GET_CONTROL(base) | TFRCNT_RST); /* Set transfer length to buffer len */ - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { ATAPI_SET_XFER_LEN(base, (sg_dma_len(sg) >> 1)); } @@ -932,8 +934,9 @@ static void bfin_bmdma_stop(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct scatterlist *sg; + unsigned int si; - pr_debug("in atapi dma stop\n"); + dev_dbg(qc->ap->dev, "in atapi dma stop\n"); if (!(ap->udma_mask || ap->mwdma_mask)) return; @@ -950,7 +953,7 @@ static void bfin_bmdma_stop(struct ata_queued_cmd *qc) * data cache is enabled. Otherwise, this loop * is an empty loop and optimized out. */ - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { invalidate_dcache_range( sg_dma_address(sg), sg_dma_address(sg) @@ -1144,15 +1147,15 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap) void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; unsigned short int_status = ATAPI_GET_INT_STATUS(base); - if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON)) { + if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON)) host_stat |= ATA_DMA_ACTIVE; - } - if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT)) { + if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT| + ATAPI_DEV_INT)) host_stat |= ATA_DMA_INTR; - } - if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT)) { - host_stat |= ATA_DMA_ERR; - } + if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT)) + host_stat |= ATA_DMA_ERR|ATA_DMA_INTR; + + dev_dbg(ap->dev, "ATAPI: host_stat=0x%x\n", host_stat); return host_stat; } @@ -1167,34 +1170,36 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap) * Note: Original code is ata_data_xfer(). */ -static void bfin_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw) { - struct ata_port *ap = adev->link->ap; - unsigned int words = buflen >> 1; - unsigned short *buf16 = (u16 *) buf; + struct ata_port *ap = dev->link->ap; void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; + unsigned int words = buflen >> 1; + unsigned short *buf16 = (u16 *)buf; /* Transfer multiple of 2 bytes */ - if (write_data) { - write_atapi_data(base, words, buf16); - } else { + if (rw == READ) read_atapi_data(base, words, buf16); - } + else + write_atapi_data(base, words, buf16); /* Transfer trailing 1 byte, if any. */ if (unlikely(buflen & 0x01)) { unsigned short align_buf[1] = { 0 }; unsigned char *trailing_buf = buf + buflen - 1; - if (write_data) { - memcpy(align_buf, trailing_buf, 1); - write_atapi_data(base, 1, align_buf); - } else { + if (rw == READ) { read_atapi_data(base, 1, align_buf); memcpy(trailing_buf, align_buf, 1); + } else { + memcpy(align_buf, trailing_buf, 1); + write_atapi_data(base, 1, align_buf); } + words++; } + + return words << 1; } /** @@ -1208,8 +1213,7 @@ static void bfin_irq_clear(struct ata_port *ap) { void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - pr_debug("in atapi irq clear\n"); - + dev_dbg(ap->dev, "in atapi irq clear\n"); ATAPI_SET_INT_STATUS(base, ATAPI_GET_INT_STATUS(base)|ATAPI_DEV_INT | MULTI_DONE_INT | UDMAIN_DONE_INT | UDMAOUT_DONE_INT | MULTI_TERM_INT | UDMAIN_TERM_INT | UDMAOUT_TERM_INT); @@ -1227,7 +1231,7 @@ static unsigned char bfin_irq_on(struct ata_port *ap) void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; u8 tmp; - pr_debug("in atapi irq on\n"); + dev_dbg(ap->dev, "in atapi irq on\n"); ap->ctl &= ~ATA_NIEN; ap->last_ctl = ap->ctl; @@ -1250,7 +1254,7 @@ static void bfin_bmdma_freeze(struct ata_port *ap) { void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; - pr_debug("in atapi dma freeze\n"); + dev_dbg(ap->dev, "in atapi dma freeze\n"); ap->ctl |= ATA_NIEN; ap->last_ctl = ap->ctl; @@ -1323,7 +1327,7 @@ static void bfin_error_handler(struct ata_port *ap) static void bfin_port_stop(struct ata_port *ap) { - pr_debug("in atapi port stop\n"); + dev_dbg(ap->dev, "in atapi port stop\n"); if (ap->udma_mask != 0 || ap->mwdma_mask != 0) { free_dma(CH_ATAPI_RX); free_dma(CH_ATAPI_TX); @@ -1332,7 +1336,7 @@ static void bfin_port_stop(struct ata_port *ap) static int bfin_port_start(struct ata_port *ap) { - pr_debug("in atapi port start\n"); + dev_dbg(ap->dev, "in atapi port start\n"); if (!(ap->udma_mask || ap->mwdma_mask)) return 0; @@ -1368,10 +1372,6 @@ static struct scsi_host_template bfin_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, -#ifdef CONFIG_PM - .resume = ata_scsi_device_resume, - .suspend = ata_scsi_device_suspend, -#endif }; static const struct ata_port_operations bfin_pata_ops = { @@ -1509,7 +1509,8 @@ static int __devinit bfin_atapi_probe(struct platform_device *pdev) if (res == NULL) return -EINVAL; - while (bfin_port_info[board_idx].udma_mask>0 && udma_fsclk[udma_mode] > fsclk) { + while (bfin_port_info[board_idx].udma_mask > 0 && + udma_fsclk[udma_mode] > fsclk) { udma_mode--; bfin_port_info[board_idx].udma_mask >>= 1; } diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 33f7f0843f4..7ed279b0a12 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -198,7 +198,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi }; const struct ata_port_info *ppi[2]; u8 pcicfg; - void *iomap[5]; + void __iomem *iomap[5]; struct ata_host *host; struct ata_ioports *ioaddr; int i, rc; @@ -229,7 +229,7 @@ static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_devi return -ENOMEM; /* Perform set up for DMA */ - if (pci_enable_device_bars(pdev, 1<<2)) { + if (pci_enable_device_io(pdev)) { printk(KERN_ERR DRV_NAME ": unable to configure BAR2.\n"); return -ENODEV; } diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 043dcd35106..dc33220fe5b 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -135,7 +135,7 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) idetm_data &= 0xCC0F; idetm_data |= (control << 4); - /* Slave timing in seperate register */ + /* Slave timing in separate register */ pci_read_config_byte(dev, 0x44, &slave_data); slave_data &= 0x0F << shift; slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << shift; diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index c79f066c2bc..68eb34929ce 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -847,15 +847,16 @@ static u32 hpt374_read_freq(struct pci_dev *pdev) u32 freq; unsigned long io_base = pci_resource_start(pdev, 4); if (PCI_FUNC(pdev->devfn) & 1) { - struct pci_dev *pdev_0 = pci_get_slot(pdev->bus, pdev->devfn - 1); + struct pci_dev *pdev_0; + + pdev_0 = pci_get_slot(pdev->bus, pdev->devfn - 1); /* Someone hot plugged the controller on us ? */ if (pdev_0 == NULL) return 0; io_base = pci_resource_start(pdev_0, 4); freq = inl(io_base + 0x90); pci_dev_put(pdev_0); - } - else + } else freq = inl(io_base + 0x90); return freq; } diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index 842fe08a3c1..5b8586dac63 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -224,6 +224,7 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc) struct pata_icside_state *state = ap->host->private_data; struct scatterlist *sg, *rsg = state->sg; unsigned int write = qc->tf.flags & ATA_TFLAG_WRITE; + unsigned int si; /* * We are simplex; BUG if we try to fiddle with DMA @@ -234,7 +235,7 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc) /* * Copy ATAs scattered sg list into a contiguous array of sg */ - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { memcpy(rsg, sg, sizeof(*sg)); rsg++; } diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c index 1eda821e5e3..e0c2cc29d0c 100644 --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -128,7 +128,7 @@ static void it8213_set_piomode (struct ata_port *ap, struct ata_device *adev) idetm_data &= 0xCC0F; idetm_data |= (control << 4); - /* Slave timing in seperate register */ + /* Slave timing in separate register */ pci_read_config_byte(dev, 0x44, &slave_data); slave_data &= 0xF0; slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << 4; diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index ca9aae09dae..109ddd42c26 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -430,7 +430,7 @@ static unsigned int it821x_smart_qc_issue_prot(struct ata_queued_cmd *qc) return ata_qc_issue_prot(qc); } printk(KERN_DEBUG "it821x: can't process command 0x%02X\n", qc->tf.command); - return AC_ERR_INVALID; + return AC_ERR_DEV; } /** @@ -516,6 +516,37 @@ static void it821x_dev_config(struct ata_device *adev) printk("(%dK stripe)", adev->id[146]); printk(".\n"); } + /* This is a controller firmware triggered funny, don't + report the drive faulty! */ + adev->horkage &= ~ATA_HORKAGE_DIAGNOSTIC; +} + +/** + * it821x_ident_hack - Hack identify data up + * @ap: Port + * + * Walk the devices on this firmware driven port and slightly + * mash the identify data to stop us and common tools trying to + * use features not firmware supported. The firmware itself does + * some masking (eg SMART) but not enough. + * + * This is a bit of an abuse of the cable method, but it is the + * only method called at the right time. We could modify the libata + * core specifically for ident hacking but while we have one offender + * it seems better to keep the fallout localised. + */ + +static int it821x_ident_hack(struct ata_port *ap) +{ + struct ata_device *adev; + ata_link_for_each_dev(adev, &ap->link) { + if (ata_dev_enabled(adev)) { + adev->id[84] &= ~(1 << 6); /* No FUA */ + adev->id[85] &= ~(1 << 10); /* No HPA */ + adev->id[76] = 0; /* No NCQ/AN etc */ + } + } + return ata_cable_unknown(ap); } @@ -634,7 +665,7 @@ static struct ata_port_operations it821x_smart_port_ops = { .thaw = ata_bmdma_thaw, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, - .cable_detect = ata_cable_unknown, + .cable_detect = it821x_ident_hack, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c index fcd532afbf2..030878fedeb 100644 --- a/drivers/ata/pata_ixp4xx_cf.c +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -42,13 +42,13 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error) return 0; } -static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw) { unsigned int i; unsigned int words = buflen >> 1; u16 *buf16 = (u16 *) buf; - struct ata_port *ap = adev->link->ap; + struct ata_port *ap = dev->link->ap; void __iomem *mmio = ap->ioaddr.data_addr; struct ixp4xx_pata_data *data = ap->host->dev->platform_data; @@ -59,30 +59,32 @@ static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf, udelay(100); /* Transfer multiple of 2 bytes */ - if (write_data) { - for (i = 0; i < words; i++) - writew(buf16[i], mmio); - } else { + if (rw == READ) for (i = 0; i < words; i++) buf16[i] = readw(mmio); - } + else + for (i = 0; i < words; i++) + writew(buf16[i], 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(align_buf[0], mmio); - } else { + if (rw == READ) { align_buf[0] = readw(mmio); memcpy(trailing_buf, align_buf, 1); + } else { + memcpy(align_buf, trailing_buf, 1); + writew(align_buf[0], mmio); } + words++; } udelay(100); *data->cs0_cfg |= 0x01; + + return words << 1; } static struct scsi_host_template ixp4xx_sht = { @@ -130,10 +132,11 @@ static struct ata_port_operations ixp4xx_port_ops = { .port_start = ata_port_start, }; -static void ixp4xx_setup_port(struct ata_ioports *ioaddr, +static void ixp4xx_setup_port(struct ata_port *ap, struct ixp4xx_pata_data *data, unsigned long raw_cs0, unsigned long raw_cs1) { + struct ata_ioports *ioaddr = &ap->ioaddr; unsigned long raw_cmd = raw_cs0; unsigned long raw_ctl = raw_cs1 + 0x06; diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 7bed8d80638..333dc15f8cc 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -28,7 +28,6 @@ * * Unsupported but docs exist: * Appian/Adaptec AIC25VL01/Cirrus Logic PD7220 - * Winbond W83759A * * This driver handles legacy (that is "ISA/VLB side") IDE ports found * on PC class systems. There are three hybrid devices that are exceptions @@ -36,7 +35,7 @@ * the MPIIX where the tuning is PCI side but the IDE is "ISA side". * * Specific support is included for the ht6560a/ht6560b/opti82c611a/ - * opti82c465mv/promise 20230c/20630 + * opti82c465mv/promise 20230c/20630/winbond83759A * * Use the autospeed and pio_mask options with: * Appian ADI/2 aka CLPD7220 or AIC25VL01. @@ -47,9 +46,6 @@ * For now use autospeed and pio_mask as above with the W83759A. This may * change. * - * TODO - * Merge existing pata_qdi driver - * */ #include <linux/kernel.h> @@ -64,12 +60,13 @@ #include <linux/platform_device.h> #define DRV_NAME "pata_legacy" -#define DRV_VERSION "0.5.5" +#define DRV_VERSION "0.6.5" #define NR_HOST 6 -static int legacy_port[NR_HOST] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 }; -static int legacy_irq[NR_HOST] = { 14, 15, 11, 10, 8, 12 }; +static int all; +module_param(all, int, 0444); +MODULE_PARM_DESC(all, "Grab all legacy port devices, even if PCI(0=off, 1=on)"); struct legacy_data { unsigned long timing; @@ -80,21 +77,107 @@ struct legacy_data { }; +enum controller { + BIOS = 0, + SNOOP = 1, + PDC20230 = 2, + HT6560A = 3, + HT6560B = 4, + OPTI611A = 5, + OPTI46X = 6, + QDI6500 = 7, + QDI6580 = 8, + QDI6580DP = 9, /* Dual channel mode is different */ + W83759A = 10, + + UNKNOWN = -1 +}; + + +struct legacy_probe { + unsigned char *name; + unsigned long port; + unsigned int irq; + unsigned int slot; + enum controller type; + unsigned long private; +}; + +struct legacy_controller { + const char *name; + struct ata_port_operations *ops; + unsigned int pio_mask; + unsigned int flags; + int (*setup)(struct platform_device *, struct legacy_probe *probe, + struct legacy_data *data); +}; + +static int legacy_port[NR_HOST] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 }; + +static struct legacy_probe probe_list[NR_HOST]; static struct legacy_data legacy_data[NR_HOST]; static struct ata_host *legacy_host[NR_HOST]; static int nr_legacy_host; -static int probe_all; /* Set to check all ISA port ranges */ -static int ht6560a; /* HT 6560A on primary 1, secondary 2, both 3 */ -static int ht6560b; /* HT 6560A on primary 1, secondary 2, both 3 */ -static int opti82c611a; /* Opti82c611A on primary 1, secondary 2, both 3 */ -static int opti82c46x; /* Opti 82c465MV present (pri/sec autodetect) */ -static int autospeed; /* Chip present which snoops speed changes */ -static int pio_mask = 0x1F; /* PIO range for autospeed devices */ +static int probe_all; /* Set to check all ISA port ranges */ +static int ht6560a; /* HT 6560A on primary 1, second 2, both 3 */ +static int ht6560b; /* HT 6560A on primary 1, second 2, both 3 */ +static int opti82c611a; /* Opti82c611A on primary 1, sec 2, both 3 */ +static int opti82c46x; /* Opti 82c465MV present(pri/sec autodetect) */ +static int qdi; /* Set to probe QDI controllers */ +static int winbond; /* Set to probe Winbond controllers, + give I/O port if non stdanard */ +static int autospeed; /* Chip present which snoops speed changes */ +static int pio_mask = 0x1F; /* PIO range for autospeed devices */ static int iordy_mask = 0xFFFFFFFF; /* Use iordy if available */ /** + * legacy_probe_add - Add interface to probe list + * @port: Controller port + * @irq: IRQ number + * @type: Controller type + * @private: Controller specific info + * + * Add an entry into the probe list for ATA controllers. This is used + * to add the default ISA slots and then to build up the table + * further according to other ISA/VLB/Weird device scans + * + * An I/O port list is used to keep ordering stable and sane, as we + * don't have any good way to talk about ordering otherwise + */ + +static int legacy_probe_add(unsigned long port, unsigned int irq, + enum controller type, unsigned long private) +{ + struct legacy_probe *lp = &probe_list[0]; + int i; + struct legacy_probe *free = NULL; + + for (i = 0; i < NR_HOST; i++) { + if (lp->port == 0 && free == NULL) + free = lp; + /* Matching port, or the correct slot for ordering */ + if (lp->port == port || legacy_port[i] == port) { + free = lp; + break; + } + lp++; + } + if (free == NULL) { + printk(KERN_ERR "pata_legacy: Too many interfaces.\n"); + return -1; + } + /* Fill in the entry for later probing */ + free->port = port; + free->irq = irq; + free->type = type; + free->private = private; + return 0; +} + + +/** * legacy_set_mode - mode setting * @link: IDE link * @unused: Device that failed when error is returned @@ -113,7 +196,8 @@ static int legacy_set_mode(struct ata_link *link, struct ata_device **unused) ata_link_for_each_dev(dev, link) { if (ata_dev_enabled(dev)) { - ata_dev_printk(dev, KERN_INFO, "configured for PIO\n"); + ata_dev_printk(dev, KERN_INFO, + "configured for PIO\n"); dev->pio_mode = XFER_PIO_0; dev->xfer_mode = XFER_PIO_0; dev->xfer_shift = ATA_SHIFT_PIO; @@ -171,7 +255,7 @@ static struct ata_port_operations simple_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; static struct ata_port_operations legacy_port_ops = { @@ -198,15 +282,16 @@ static struct ata_port_operations legacy_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; /* * Promise 20230C and 20620 support * - * This controller supports PIO0 to PIO2. We set PIO timings conservatively to - * allow for 50MHz Vesa Local Bus. The 20620 DMA support is weird being DMA to - * controller and PIO'd to the host and not supported. + * This controller supports PIO0 to PIO2. We set PIO timings + * conservatively to allow for 50MHz Vesa Local Bus. The 20620 DMA + * support is weird being DMA to controller and PIO'd to the host + * and not supported. */ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) @@ -221,8 +306,7 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) local_irq_save(flags); /* Unlock the control interface */ - do - { + do { inb(0x1F5); outb(inb(0x1F2) | 0x80, 0x1F2); inb(0x1F2); @@ -231,7 +315,7 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) inb(0x1F2); inb(0x1F2); } - while((inb(0x1F2) & 0x80) && --tries); + while ((inb(0x1F2) & 0x80) && --tries); local_irq_restore(flags); @@ -249,13 +333,14 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) } -static void pdc_data_xfer_vlb(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) +static unsigned int pdc_data_xfer_vlb(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw) { - struct ata_port *ap = adev->link->ap; - int slop = buflen & 3; - unsigned long flags; + if (ata_id_has_dword_io(dev->id)) { + struct ata_port *ap = dev->link->ap; + int slop = buflen & 3; + unsigned long flags; - if (ata_id_has_dword_io(adev->id)) { local_irq_save(flags); /* Perform the 32bit I/O synchronization sequence */ @@ -264,28 +349,27 @@ static void pdc_data_xfer_vlb(struct ata_device *adev, unsigned char *buf, unsig ioread8(ap->ioaddr.nsect_addr); /* Now the data */ - - if (write_data) - iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); - else + if (rw == READ) ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); + else + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { u32 pad; - if (write_data) { - memcpy(&pad, buf + buflen - slop, slop); - pad = le32_to_cpu(pad); - iowrite32(pad, ap->ioaddr.data_addr); - } else { - pad = ioread32(ap->ioaddr.data_addr); - pad = cpu_to_le16(pad); + if (rw == READ) { + pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr)); memcpy(buf + buflen - slop, &pad, slop); + } else { + memcpy(&pad, buf + buflen - slop, slop); + iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr); } + buflen += 4 - slop; } local_irq_restore(flags); - } - else - ata_data_xfer_noirq(adev, buf, buflen, write_data); + } else + buflen = ata_data_xfer_noirq(dev, buf, buflen, rw); + + return buflen; } static struct ata_port_operations pdc20230_port_ops = { @@ -312,14 +396,14 @@ static struct ata_port_operations pdc20230_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; /* * Holtek 6560A support * - * This controller supports PIO0 to PIO2 (no IORDY even though higher timings - * can be loaded). + * This controller supports PIO0 to PIO2 (no IORDY even though higher + * timings can be loaded). */ static void ht6560a_set_piomode(struct ata_port *ap, struct ata_device *adev) @@ -366,14 +450,14 @@ static struct ata_port_operations ht6560a_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; /* * Holtek 6560B support * - * This controller supports PIO0 to PIO4. We honour the BIOS/jumper FIFO setting - * unless we see an ATAPI device in which case we force it off. + * This controller supports PIO0 to PIO4. We honour the BIOS/jumper FIFO + * setting unless we see an ATAPI device in which case we force it off. * * FIXME: need to implement 2nd channel support. */ @@ -400,7 +484,7 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev) if (adev->class != ATA_DEV_ATA) { u8 rconf = inb(0x3E6); if (rconf & 0x24) { - rconf &= ~ 0x24; + rconf &= ~0x24; outb(rconf, 0x3E6); } } @@ -425,13 +509,13 @@ static struct ata_port_operations ht6560b_port_ops = { .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, - .data_xfer = ata_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, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; /* @@ -464,7 +548,8 @@ static u8 opti_syscfg(u8 reg) * This controller supports PIO0 to PIO3. */ -static void opti82c611a_set_piomode(struct ata_port *ap, struct ata_device *adev) +static void opti82c611a_set_piomode(struct ata_port *ap, + struct ata_device *adev) { u8 active, recover, setup; struct ata_timing t; @@ -551,7 +636,7 @@ static struct ata_port_operations opti82c611a_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; /* @@ -683,77 +768,398 @@ static struct ata_port_operations opti82c46x_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_port_start, + .port_start = ata_sff_port_start, }; +static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + struct ata_timing t; + struct legacy_data *qdi = ap->host->private_data; + int active, recovery; + u8 timing; + + /* Get the timing data in cycles */ + ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); + + if (qdi->fast) { + active = 8 - FIT(t.active, 1, 8); + recovery = 18 - FIT(t.recover, 3, 18); + } else { + active = 9 - FIT(t.active, 2, 9); + recovery = 15 - FIT(t.recover, 0, 15); + } + timing = (recovery << 4) | active | 0x08; + + qdi->clock[adev->devno] = timing; + + outb(timing, qdi->timing); +} /** - * legacy_init_one - attach a legacy interface - * @port: port number - * @io: I/O port start - * @ctrl: control port + * qdi6580dp_set_piomode - PIO setup for dual channel + * @ap: Port + * @adev: Device * @irq: interrupt line * - * Register an ISA bus IDE interface. Such interfaces are PIO and we - * assume do not support IRQ sharing. + * In dual channel mode the 6580 has one clock per channel and we have + * to software clockswitch in qc_issue_prot. */ -static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl, int irq) +static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev) { - struct legacy_data *ld = &legacy_data[nr_legacy_host]; - struct ata_host *host; - struct ata_port *ap; - struct platform_device *pdev; - struct ata_port_operations *ops = &legacy_port_ops; - void __iomem *io_addr, *ctrl_addr; - int pio_modes = pio_mask; - u32 mask = (1 << port); - u32 iordy = (iordy_mask & mask) ? 0: ATA_FLAG_NO_IORDY; - int ret; + struct ata_timing t; + struct legacy_data *qdi = ap->host->private_data; + int active, recovery; + u8 timing; - pdev = platform_device_register_simple(DRV_NAME, nr_legacy_host, NULL, 0); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); + /* Get the timing data in cycles */ + ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); + + if (qdi->fast) { + active = 8 - FIT(t.active, 1, 8); + recovery = 18 - FIT(t.recover, 3, 18); + } else { + active = 9 - FIT(t.active, 2, 9); + recovery = 15 - FIT(t.recover, 0, 15); + } + timing = (recovery << 4) | active | 0x08; - 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; + qdi->clock[adev->devno] = timing; - 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; + outb(timing, qdi->timing + 2 * ap->port_no); + /* Clear the FIFO */ + if (adev->class != ATA_DEV_ATA) + outb(0x5F, qdi->timing + 3); +} - if (ht6560a & mask) { - ops = &ht6560a_port_ops; - pio_modes = 0x07; - iordy = ATA_FLAG_NO_IORDY; - } - if (ht6560b & mask) { - ops = &ht6560b_port_ops; - pio_modes = 0x1F; - } - if (opti82c611a & mask) { - ops = &opti82c611a_port_ops; - pio_modes = 0x0F; +/** + * qdi6580_set_piomode - PIO setup for single channel + * @ap: Port + * @adev: Device + * + * In single channel mode the 6580 has one clock per device and we can + * avoid the requirement to clock switch. We also have to load the timing + * into the right clock according to whether we are master or slave. + */ + +static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + struct ata_timing t; + struct legacy_data *qdi = ap->host->private_data; + int active, recovery; + u8 timing; + + /* Get the timing data in cycles */ + ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); + + if (qdi->fast) { + active = 8 - FIT(t.active, 1, 8); + recovery = 18 - FIT(t.recover, 3, 18); + } else { + active = 9 - FIT(t.active, 2, 9); + recovery = 15 - FIT(t.recover, 0, 15); } - if (opti82c46x & mask) { - ops = &opti82c46x_port_ops; - pio_modes = 0x0F; + timing = (recovery << 4) | active | 0x08; + qdi->clock[adev->devno] = timing; + outb(timing, qdi->timing + 2 * adev->devno); + /* Clear the FIFO */ + if (adev->class != ATA_DEV_ATA) + outb(0x5F, qdi->timing + 3); +} + +/** + * qdi_qc_issue_prot - command issue + * @qc: command pending + * + * Called when the libata layer is about to issue a command. We wrap + * this interface so that we can load the correct ATA timings. + */ + +static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct ata_device *adev = qc->dev; + struct legacy_data *qdi = ap->host->private_data; + + if (qdi->clock[adev->devno] != qdi->last) { + if (adev->pio_mode) { + qdi->last = qdi->clock[adev->devno]; + outb(qdi->clock[adev->devno], qdi->timing + + 2 * ap->port_no); + } } + return ata_qc_issue_prot(qc); +} - /* Probe for automatically detectable controllers */ +static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf, + unsigned int buflen, int rw) +{ + struct ata_port *ap = adev->link->ap; + int slop = buflen & 3; - if (io == 0x1F0 && ops == &legacy_port_ops) { - unsigned long flags; + if (ata_id_has_dword_io(adev->id)) { + if (rw == WRITE) + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); + else + ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); - local_irq_save(flags); + if (unlikely(slop)) { + u32 pad; + if (rw == WRITE) { + memcpy(&pad, buf + buflen - slop, slop); + pad = le32_to_cpu(pad); + iowrite32(pad, ap->ioaddr.data_addr); + } else { + pad = ioread32(ap->ioaddr.data_addr); + pad = cpu_to_le32(pad); + memcpy(buf + buflen - slop, &pad, slop); + } + } + return (buflen + 3) & ~3; + } else + return ata_data_xfer(adev, buf, buflen, rw); +} + +static int qdi_port(struct platform_device *dev, + struct legacy_probe *lp, struct legacy_data *ld) +{ + if (devm_request_region(&dev->dev, lp->private, 4, "qdi") == NULL) + return -EBUSY; + ld->timing = lp->private; + return 0; +} + +static struct ata_port_operations qdi6500_port_ops = { + .set_piomode = qdi6500_set_piomode, + + .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 = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + .qc_prep = ata_qc_prep, + .qc_issue = qdi_qc_issue_prot, + + .data_xfer = vlb32_data_xfer, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_sff_port_start, +}; + +static struct ata_port_operations qdi6580_port_ops = { + .set_piomode = qdi6580_set_piomode, + + .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 = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + + .data_xfer = vlb32_data_xfer, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_sff_port_start, +}; + +static struct ata_port_operations qdi6580dp_port_ops = { + .set_piomode = qdi6580dp_set_piomode, + + .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 = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + + .qc_prep = ata_qc_prep, + .qc_issue = qdi_qc_issue_prot, + + .data_xfer = vlb32_data_xfer, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_sff_port_start, +}; + +static DEFINE_SPINLOCK(winbond_lock); + +static void winbond_writecfg(unsigned long port, u8 reg, u8 val) +{ + unsigned long flags; + spin_lock_irqsave(&winbond_lock, flags); + outb(reg, port + 0x01); + outb(val, port + 0x02); + spin_unlock_irqrestore(&winbond_lock, flags); +} + +static u8 winbond_readcfg(unsigned long port, u8 reg) +{ + u8 val; + + unsigned long flags; + spin_lock_irqsave(&winbond_lock, flags); + outb(reg, port + 0x01); + val = inb(port + 0x02); + spin_unlock_irqrestore(&winbond_lock, flags); + + return val; +} + +static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + struct ata_timing t; + struct legacy_data *winbond = ap->host->private_data; + int active, recovery; + u8 reg; + int timing = 0x88 + (ap->port_no * 4) + (adev->devno * 2); + + reg = winbond_readcfg(winbond->timing, 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); + else + ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); + + active = (FIT(t.active, 3, 17) - 1) & 0x0F; + recovery = (FIT(t.recover, 1, 15) + 1) & 0x0F; + timing = (active << 4) | recovery; + winbond_writecfg(winbond->timing, timing, reg); + + /* Load the setup timing */ + + reg = 0x35; + if (adev->class != ATA_DEV_ATA) + reg |= 0x08; /* FIFO off */ + if (!ata_pio_need_iordy(adev)) + reg |= 0x02; /* IORDY off */ + reg |= (FIT(t.setup, 0, 3) << 6); + winbond_writecfg(winbond->timing, timing + 1, reg); +} + +static int winbond_port(struct platform_device *dev, + struct legacy_probe *lp, struct legacy_data *ld) +{ + if (devm_request_region(&dev->dev, lp->private, 4, "winbond") == NULL) + return -EBUSY; + ld->timing = lp->private; + return 0; +} + +static struct ata_port_operations winbond_port_ops = { + .set_piomode = winbond_set_piomode, + + .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 = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + + .data_xfer = vlb32_data_xfer, + + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_sff_port_start, +}; + +static struct legacy_controller controllers[] = { + {"BIOS", &legacy_port_ops, 0x1F, + ATA_FLAG_NO_IORDY, NULL }, + {"Snooping", &simple_port_ops, 0x1F, + 0 , NULL }, + {"PDC20230", &pdc20230_port_ops, 0x7, + ATA_FLAG_NO_IORDY, NULL }, + {"HT6560A", &ht6560a_port_ops, 0x07, + ATA_FLAG_NO_IORDY, NULL }, + {"HT6560B", &ht6560b_port_ops, 0x1F, + ATA_FLAG_NO_IORDY, NULL }, + {"OPTI82C611A", &opti82c611a_port_ops, 0x0F, + 0 , NULL }, + {"OPTI82C46X", &opti82c46x_port_ops, 0x0F, + 0 , NULL }, + {"QDI6500", &qdi6500_port_ops, 0x07, + ATA_FLAG_NO_IORDY, qdi_port }, + {"QDI6580", &qdi6580_port_ops, 0x1F, + 0 , qdi_port }, + {"QDI6580DP", &qdi6580dp_port_ops, 0x1F, + 0 , qdi_port }, + {"W83759A", &winbond_port_ops, 0x1F, + 0 , winbond_port } +}; + +/** + * probe_chip_type - Discover controller + * @probe: Probe entry to check + * + * Probe an ATA port and identify the type of controller. We don't + * check if the controller appears to be driveless at this point. + */ + +static __init int probe_chip_type(struct legacy_probe *probe) +{ + int mask = 1 << probe->slot; + + if (winbond && (probe->port == 0x1F0 || probe->port == 0x170)) { + u8 reg = winbond_readcfg(winbond, 0x81); + reg |= 0x80; /* jumpered mode off */ + winbond_writecfg(winbond, 0x81, reg); + reg = winbond_readcfg(winbond, 0x83); + reg |= 0xF0; /* local control */ + winbond_writecfg(winbond, 0x83, reg); + reg = winbond_readcfg(winbond, 0x85); + reg |= 0xF0; /* programmable timing */ + winbond_writecfg(winbond, 0x85, reg); + + reg = winbond_readcfg(winbond, 0x81); + + if (reg & mask) + return W83759A; + } + if (probe->port == 0x1F0) { + unsigned long flags; + local_irq_save(flags); /* Probes */ - inb(0x1F5); outb(inb(0x1F2) | 0x80, 0x1F2); + inb(0x1F5); inb(0x1F2); inb(0x3F6); inb(0x3F6); @@ -762,29 +1168,83 @@ static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl if ((inb(0x1F2) & 0x80) == 0) { /* PDC20230c or 20630 ? */ - printk(KERN_INFO "PDC20230-C/20630 VLB ATA controller detected.\n"); - pio_modes = 0x07; - ops = &pdc20230_port_ops; - iordy = ATA_FLAG_NO_IORDY; + printk(KERN_INFO "PDC20230-C/20630 VLB ATA controller" + " detected.\n"); udelay(100); inb(0x1F5); + local_irq_restore(flags); + return PDC20230; } else { outb(0x55, 0x1F2); inb(0x1F2); inb(0x1F2); - if (inb(0x1F2) == 0x00) { - printk(KERN_INFO "PDC20230-B VLB ATA controller detected.\n"); - } + if (inb(0x1F2) == 0x00) + printk(KERN_INFO "PDC20230-B VLB ATA " + "controller detected.\n"); + local_irq_restore(flags); + return BIOS; } local_irq_restore(flags); } + if (ht6560a & mask) + return HT6560A; + if (ht6560b & mask) + return HT6560B; + if (opti82c611a & mask) + return OPTI611A; + if (opti82c46x & mask) + return OPTI46X; + if (autospeed & mask) + return SNOOP; + return BIOS; +} - /* Chip does mode setting by command snooping */ - if (ops == &legacy_port_ops && (autospeed & mask)) - ops = &simple_port_ops; + +/** + * legacy_init_one - attach a legacy interface + * @pl: probe record + * + * Register an ISA bus IDE interface. Such interfaces are PIO and we + * assume do not support IRQ sharing. + */ + +static __init int legacy_init_one(struct legacy_probe *probe) +{ + struct legacy_controller *controller = &controllers[probe->type]; + int pio_modes = controller->pio_mask; + unsigned long io = probe->port; + u32 mask = (1 << probe->slot); + struct ata_port_operations *ops = controller->ops; + struct legacy_data *ld = &legacy_data[probe->slot]; + struct ata_host *host = NULL; + struct ata_port *ap; + struct platform_device *pdev; + struct ata_device *dev; + void __iomem *io_addr, *ctrl_addr; + u32 iordy = (iordy_mask & mask) ? 0: ATA_FLAG_NO_IORDY; + int ret; + + iordy |= controller->flags; + + pdev = platform_device_register_simple(DRV_NAME, probe->slot, NULL, 0); + 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, io + 0x0206, 1, + "pata_legacy") == NULL) + goto fail; ret = -ENOMEM; + io_addr = devm_ioport_map(&pdev->dev, io, 8); + ctrl_addr = devm_ioport_map(&pdev->dev, io + 0x0206, 1); + if (!io_addr || !ctrl_addr) + goto fail; + if (controller->setup) + if (controller->setup(pdev, probe, ld) < 0) + goto fail; host = ata_host_alloc(&pdev->dev, 1); if (!host) goto fail; @@ -797,19 +1257,29 @@ static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl ap->ioaddr.altstatus_addr = ctrl_addr; ap->ioaddr.ctl_addr = ctrl_addr; ata_std_ports(&ap->ioaddr); - ap->private_data = ld; + ap->host->private_data = ld; - ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io, ctrl); + ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io, io + 0x0206); - ret = ata_host_activate(host, irq, ata_interrupt, 0, &legacy_sht); + ret = ata_host_activate(host, probe->irq, ata_interrupt, 0, + &legacy_sht); if (ret) goto fail; - - legacy_host[nr_legacy_host++] = dev_get_drvdata(&pdev->dev); ld->platform_dev = pdev; - return 0; + /* Nothing found means we drop the port as its probably not there */ + + ret = -ENODEV; + ata_link_for_each_dev(dev, &ap->link) { + if (!ata_dev_absent(dev)) { + legacy_host[probe->slot] = host; + ld->platform_dev = pdev; + return 0; + } + } fail: + if (host) + ata_host_detach(host); platform_device_unregister(pdev); return ret; } @@ -820,13 +1290,15 @@ fail: * @master: set this if we find an ATA master * @master: set this if we find an ATA secondary * - * A small number of vendors implemented early PCI ATA interfaces on bridge logic - * without the ATA interface being PCI visible. Where we have a matching PCI driver - * we must skip the relevant device here. If we don't know about it then the legacy - * driver is the right driver anyway. + * A small number of vendors implemented early PCI ATA interfaces + * on bridge logic without the ATA interface being PCI visible. + * Where we have a matching PCI driver we must skip the relevant + * device here. If we don't know about it then the legacy driver + * is the right driver anyway. */ -static void legacy_check_special_cases(struct pci_dev *p, int *primary, int *secondary) +static void __init legacy_check_special_cases(struct pci_dev *p, int *primary, + int *secondary) { /* Cyrix CS5510 pre SFF MWDMA ATA on the bridge */ if (p->vendor == 0x1078 && p->device == 0x0000) { @@ -842,7 +1314,8 @@ static void legacy_check_special_cases(struct pci_dev *p, int *primary, int *sec if (p->vendor == 0x8086 && p->device == 0x1234) { u16 r; pci_read_config_word(p, 0x6C, &r); - if (r & 0x8000) { /* ATA port enabled */ + if (r & 0x8000) { + /* ATA port enabled */ if (r & 0x4000) *secondary = 1; else @@ -852,6 +1325,114 @@ static void legacy_check_special_cases(struct pci_dev *p, int *primary, int *sec } } +static __init void probe_opti_vlb(void) +{ + /* If an OPTI 82C46X is present find out where the channels are */ + static const char *optis[4] = { + "3/463MV", "5MV", + "5MVA", "5MVB" + }; + u8 chans = 1; + u8 ctrl = (opti_syscfg(0x30) & 0xC0) >> 6; + + opti82c46x = 3; /* Assume master and slave first */ + printk(KERN_INFO DRV_NAME ": Opti 82C46%s chipset support.\n", + optis[ctrl]); + if (ctrl == 3) + chans = (opti_syscfg(0x3F) & 0x20) ? 2 : 1; + ctrl = opti_syscfg(0xAC); + /* Check enabled and this port is the 465MV port. On the + MVB we may have two channels */ + if (ctrl & 8) { + if (chans == 2) { + legacy_probe_add(0x1F0, 14, OPTI46X, 0); + legacy_probe_add(0x170, 15, OPTI46X, 0); + } + if (ctrl & 4) + legacy_probe_add(0x170, 15, OPTI46X, 0); + else + legacy_probe_add(0x1F0, 14, OPTI46X, 0); + } else + legacy_probe_add(0x1F0, 14, OPTI46X, 0); +} + +static __init void qdi65_identify_port(u8 r, u8 res, unsigned long port) +{ + static const unsigned long ide_port[2] = { 0x170, 0x1F0 }; + /* Check card type */ + if ((r & 0xF0) == 0xC0) { + /* QD6500: single channel */ + if (r & 8) + /* Disabled ? */ + return; + legacy_probe_add(ide_port[r & 0x01], 14 + (r & 0x01), + QDI6500, port); + } + if (((r & 0xF0) == 0xA0) || (r & 0xF0) == 0x50) { + /* QD6580: dual channel */ + if (!request_region(port + 2 , 2, "pata_qdi")) { + release_region(port, 2); + return; + } + res = inb(port + 3); + /* Single channel mode ? */ + if (res & 1) + legacy_probe_add(ide_port[r & 0x01], 14 + (r & 0x01), + QDI6580, port); + else { /* Dual channel mode */ + legacy_probe_add(0x1F0, 14, QDI6580DP, port); + /* port + 0x02, r & 0x04 */ + legacy_probe_add(0x170, 15, QDI6580DP, port + 2); + } + release_region(port + 2, 2); + } +} + +static __init void probe_qdi_vlb(void) +{ + unsigned long flags; + static const unsigned long qd_port[2] = { 0x30, 0xB0 }; + int i; + + /* + * Check each possible QD65xx base address + */ + + for (i = 0; i < 2; i++) { + unsigned long port = qd_port[i]; + u8 r, res; + + + if (request_region(port, 2, "pata_qdi")) { + /* Check for a card */ + local_irq_save(flags); + /* I have no h/w that needs this delay but it + is present in the historic code */ + r = inb(port); + udelay(1); + outb(0x19, port); + udelay(1); + res = inb(port); + udelay(1); + outb(r, port); + udelay(1); + local_irq_restore(flags); + + /* Fail */ + if (res == 0x19) { + release_region(port, 2); + continue; + } + /* Passes the presence test */ + r = inb(port + 1); + udelay(1); + /* Check port agrees with port set */ + if ((r & 2) >> 1 == i) + qdi65_identify_port(r, res, port); + release_region(port, 2); + } + } +} /** * legacy_init - attach legacy interfaces @@ -869,15 +1450,17 @@ static __init int legacy_init(void) int ct = 0; int primary = 0; int secondary = 0; - int last_port = NR_HOST; + int pci_present = 0; + struct legacy_probe *pl = &probe_list[0]; + int slot = 0; struct pci_dev *p = NULL; for_each_pci_dev(p) { int r; - /* Check for any overlap of the system ATA mappings. Native mode controllers - stuck on these addresses or some devices in 'raid' mode won't be found by - the storage class test */ + /* Check for any overlap of the system ATA mappings. Native + mode controllers stuck on these addresses or some devices + in 'raid' mode won't be found by the storage class test */ for (r = 0; r < 6; r++) { if (pci_resource_start(p, r) == 0x1f0) primary = 1; @@ -887,49 +1470,39 @@ static __init int legacy_init(void) /* Check for special cases */ legacy_check_special_cases(p, &primary, &secondary); - /* If PCI bus is present then don't probe for tertiary legacy ports */ - if (probe_all == 0) - last_port = 2; + /* If PCI bus is present then don't probe for tertiary + legacy ports */ + pci_present = 1; } - /* If an OPTI 82C46X is present find out where the channels are */ - if (opti82c46x) { - static const char *optis[4] = { - "3/463MV", "5MV", - "5MVA", "5MVB" - }; - u8 chans = 1; - u8 ctrl = (opti_syscfg(0x30) & 0xC0) >> 6; - - opti82c46x = 3; /* Assume master and slave first */ - printk(KERN_INFO DRV_NAME ": Opti 82C46%s chipset support.\n", optis[ctrl]); - if (ctrl == 3) - chans = (opti_syscfg(0x3F) & 0x20) ? 2 : 1; - ctrl = opti_syscfg(0xAC); - /* Check enabled and this port is the 465MV port. On the - MVB we may have two channels */ - if (ctrl & 8) { - if (ctrl & 4) - opti82c46x = 2; /* Slave */ - else - opti82c46x = 1; /* Master */ - if (chans == 2) - opti82c46x = 3; /* Master and Slave */ - } /* Slave only */ - else if (chans == 1) - opti82c46x = 1; + if (winbond == 1) + winbond = 0x130; /* Default port, alt is 1B0 */ + + if (primary == 0 || all) + legacy_probe_add(0x1F0, 14, UNKNOWN, 0); + if (secondary == 0 || all) + legacy_probe_add(0x170, 15, UNKNOWN, 0); + + if (probe_all || !pci_present) { + /* ISA/VLB extra ports */ + legacy_probe_add(0x1E8, 11, UNKNOWN, 0); + legacy_probe_add(0x168, 10, UNKNOWN, 0); + legacy_probe_add(0x1E0, 8, UNKNOWN, 0); + legacy_probe_add(0x160, 12, UNKNOWN, 0); } - for (i = 0; i < last_port; i++) { - /* Skip primary if we have seen a PCI one */ - if (i == 0 && primary == 1) - continue; - /* Skip secondary if we have seen a PCI one */ - if (i == 1 && secondary == 1) + if (opti82c46x) + probe_opti_vlb(); + if (qdi) + probe_qdi_vlb(); + + for (i = 0; i < NR_HOST; i++, pl++) { + if (pl->port == 0) continue; - if (legacy_init_one(i, legacy_port[i], - legacy_port[i] + 0x0206, - legacy_irq[i]) == 0) + if (pl->type == UNKNOWN) + pl->type = probe_chip_type(pl); + pl->slot = slot++; + if (legacy_init_one(pl) == 0) ct++; } if (ct != 0) @@ -943,11 +1516,8 @@ static __exit void legacy_exit(void) for (i = 0; i < nr_legacy_host; i++) { struct legacy_data *ld = &legacy_data[i]; - ata_host_detach(legacy_host[i]); platform_device_unregister(ld->platform_dev); - if (ld->timing) - release_region(ld->timing, 2); } } @@ -962,9 +1532,9 @@ module_param(ht6560a, int, 0); module_param(ht6560b, int, 0); module_param(opti82c611a, int, 0); module_param(opti82c46x, int, 0); +module_param(qdi, int, 0); module_param(pio_mask, int, 0); module_param(iordy_mask, int, 0); module_init(legacy_init); module_exit(legacy_exit); - diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c index 50c56e2814c..5413ebfa72e 100644 --- a/drivers/ata/pata_mpc52xx.c +++ b/drivers/ata/pata_mpc52xx.c @@ -364,7 +364,7 @@ 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; + int ata_irq; struct mpc52xx_ata __iomem *ata_regs; struct mpc52xx_ata_priv *priv; int rv; @@ -494,10 +494,8 @@ mpc52xx_ata_resume(struct of_device *op) static struct of_device_id mpc52xx_ata_of_match[] = { - { - .type = "ata", - .compatible = "mpc5200-ata", - }, + { .compatible = "fsl,mpc5200-ata", }, + { .compatible = "mpc5200-ata", }, {}, }; diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c new file mode 100644 index 00000000000..1c1b83541d1 --- /dev/null +++ b/drivers/ata/pata_ninja32.c @@ -0,0 +1,214 @@ +/* + * pata_ninja32.c - Ninja32 PATA for new ATA layer + * (C) 2007 Red Hat Inc + * Alan Cox <alan@redhat.com> + * + * Note: The controller like many controllers has shared timings for + * PIO and DMA. We thus flip to the DMA timings in dma_start and flip back + * in the dma_stop function. Thus we actually don't need a set_dmamode + * method as the PIO method is always called and will set the right PIO + * timing parameters. + * + * The Ninja32 Cardbus is not a generic SFF controller. Instead it is + * laid out as follows off BAR 0. This is based upon Mark Lord's delkin + * driver and the extensive analysis done by the BSD developers, notably + * ITOH Yasufumi. + * + * Base + 0x00 IRQ Status + * Base + 0x01 IRQ control + * Base + 0x02 Chipset control + * Base + 0x04 VDMA and reset control + wait bits + * Base + 0x08 BMIMBA + * Base + 0x0C DMA Length + * Base + 0x10 Taskfile + * Base + 0x18 BMDMA Status ? + * Base + 0x1C + * Base + 0x1D Bus master control + * bit 0 = enable + * bit 1 = 0 write/1 read + * bit 2 = 1 sgtable + * bit 3 = go + * bit 4-6 wait bits + * bit 7 = done + * Base + 0x1E AltStatus + * Base + 0x1F timing register + */ + +#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 <scsi/scsi_host.h> +#include <linux/libata.h> + +#define DRV_NAME "pata_ninja32" +#define DRV_VERSION "0.0.1" + + +/** + * ninja32_set_piomode - set initial PIO mode data + * @ap: ATA interface + * @adev: ATA device + * + * Called to do the PIO mode setup. Our timing registers are shared + * but we want to set the PIO timing by default. + */ + +static void ninja32_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + static u16 pio_timing[5] = { + 0xd6, 0x85, 0x44, 0x33, 0x13 + }; + iowrite8(pio_timing[adev->pio_mode - XFER_PIO_0], + ap->ioaddr.bmdma_addr + 0x1f); + ap->private_data = adev; +} + + +static void ninja32_dev_select(struct ata_port *ap, unsigned int device) +{ + struct ata_device *adev = &ap->link.device[device]; + if (ap->private_data != adev) { + iowrite8(0xd6, ap->ioaddr.bmdma_addr + 0x1f); + ata_std_dev_select(ap, device); + ninja32_set_piomode(ap, adev); + } +} + +static struct scsi_host_template ninja32_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 = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, + .bios_param = ata_std_bios_param, +}; + +static struct ata_port_operations ninja32_port_ops = { + .set_piomode = ninja32_set_piomode, + .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 = ninja32_dev_select, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + + .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, + + .port_start = ata_sff_port_start, +}; + +static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id) +{ + struct ata_host *host; + struct ata_port *ap; + void __iomem *base; + int rc; + + host = ata_host_alloc(&dev->dev, 1); + if (!host) + return -ENOMEM; + ap = host->ports[0]; + + /* Set up the PCI device */ + rc = pcim_enable_device(dev); + if (rc) + return rc; + rc = pcim_iomap_regions(dev, 1 << 0, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(dev); + if (rc) + return rc; + + host->iomap = pcim_iomap_table(dev); + rc = pci_set_dma_mask(dev, ATA_DMA_MASK); + if (rc) + return rc; + rc = pci_set_consistent_dma_mask(dev, ATA_DMA_MASK); + if (rc) + return rc; + pci_set_master(dev); + + /* Set up the register mappings */ + base = host->iomap[0]; + if (!base) + return -ENOMEM; + ap->ops = &ninja32_port_ops; + ap->pio_mask = 0x1F; + ap->flags |= ATA_FLAG_SLAVE_POSS; + + ap->ioaddr.cmd_addr = base + 0x10; + ap->ioaddr.ctl_addr = base + 0x1E; + ap->ioaddr.altstatus_addr = base + 0x1E; + ap->ioaddr.bmdma_addr = base; + ata_std_ports(&ap->ioaddr); + + iowrite8(0x05, base + 0x01); /* Enable interrupt lines */ + iowrite8(0xB3, base + 0x02); /* Burst, ?? setup */ + iowrite8(0x00, base + 0x04); /* WAIT0 ? */ + /* FIXME: Should we disable them at remove ? */ + return ata_host_activate(host, dev->irq, ata_interrupt, + IRQF_SHARED, &ninja32_sht); +} + +static const struct pci_device_id ninja32[] = { + { 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { }, +}; + +static struct pci_driver ninja32_pci_driver = { + .name = DRV_NAME, + .id_table = ninja32, + .probe = ninja32_init_one, + .remove = ata_pci_remove_one +}; + +static int __init ninja32_init(void) +{ + return pci_register_driver(&ninja32_pci_driver); +} + +static void __exit ninja32_exit(void) +{ + pci_unregister_driver(&ninja32_pci_driver); +} + +MODULE_AUTHOR("Alan Cox"); +MODULE_DESCRIPTION("low-level driver for Ninja32 ATA"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, ninja32); +MODULE_VERSION(DRV_VERSION); + +module_init(ninja32_init); +module_exit(ninja32_exit); diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c new file mode 100644 index 00000000000..408da30594c --- /dev/null +++ b/drivers/ata/pata_of_platform.c @@ -0,0 +1,114 @@ +/* + * OF-platform PATA driver + * + * Copyright (c) 2007 MontaVista Software, Inc. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/ata_platform.h> + +static int __devinit pata_of_platform_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + int ret; + struct device_node *dn = ofdev->node; + struct resource io_res; + struct resource ctl_res; + struct resource irq_res; + unsigned int reg_shift = 0; + int pio_mode = 0; + int pio_mask; + const u32 *prop; + + ret = of_address_to_resource(dn, 0, &io_res); + if (ret) { + dev_err(&ofdev->dev, "can't get IO address from " + "device tree\n"); + return -EINVAL; + } + + if (of_device_is_compatible(dn, "electra-ide")) { + /* Altstatus is really at offset 0x3f6 from the primary window + * on electra-ide. Adjust ctl_res and io_res accordingly. + */ + ctl_res = io_res; + ctl_res.start = ctl_res.start+0x3f6; + io_res.end = ctl_res.start-1; + } else { + ret = of_address_to_resource(dn, 1, &ctl_res); + if (ret) { + dev_err(&ofdev->dev, "can't get CTL address from " + "device tree\n"); + return -EINVAL; + } + } + + ret = of_irq_to_resource(dn, 0, &irq_res); + if (ret == NO_IRQ) + irq_res.start = irq_res.end = -1; + else + irq_res.flags = 0; + + prop = of_get_property(dn, "reg-shift", NULL); + if (prop) + reg_shift = *prop; + + prop = of_get_property(dn, "pio-mode", NULL); + if (prop) { + pio_mode = *prop; + if (pio_mode > 6) { + dev_err(&ofdev->dev, "invalid pio-mode\n"); + return -EINVAL; + } + } else { + dev_info(&ofdev->dev, "pio-mode unspecified, assuming PIO0\n"); + } + + pio_mask = 1 << pio_mode; + pio_mask |= (1 << pio_mode) - 1; + + return __pata_platform_probe(&ofdev->dev, &io_res, &ctl_res, &irq_res, + reg_shift, pio_mask); +} + +static int __devexit pata_of_platform_remove(struct of_device *ofdev) +{ + return __pata_platform_remove(&ofdev->dev); +} + +static struct of_device_id pata_of_platform_match[] = { + { .compatible = "ata-generic", }, + { .compatible = "electra-ide", }, + {}, +}; +MODULE_DEVICE_TABLE(of, pata_of_platform_match); + +static struct of_platform_driver pata_of_platform_driver = { + .name = "pata_of_platform", + .match_table = pata_of_platform_match, + .probe = pata_of_platform_probe, + .remove = __devexit_p(pata_of_platform_remove), +}; + +static int __init pata_of_platform_init(void) +{ + return of_register_platform_driver(&pata_of_platform_driver); +} +module_init(pata_of_platform_init); + +static void __exit pata_of_platform_exit(void) +{ + of_unregister_platform_driver(&pata_of_platform_driver); +} +module_exit(pata_of_platform_exit); + +MODULE_DESCRIPTION("OF-platform PATA driver"); +MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index fd36099428a..3e7f6a9da28 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -42,7 +42,7 @@ #define DRV_NAME "pata_pcmcia" -#define DRV_VERSION "0.3.2" +#define DRV_VERSION "0.3.3" /* * Private data structure to glue stuff together @@ -86,6 +86,47 @@ static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_d return ata_do_set_mode(link, r_failed_dev); } +/** + * pcmcia_set_mode_8bit - PCMCIA specific mode setup + * @link: link + * @r_failed_dev: Return pointer for failed device + * + * For the simple emulated 8bit stuff the less we do the better. + */ + +static int pcmcia_set_mode_8bit(struct ata_link *link, + struct ata_device **r_failed_dev) +{ + return 0; +} + +/** + * ata_data_xfer_8bit - Transfer data by 8bit PIO + * @dev: device to target + * @buf: data buffer + * @buflen: buffer length + * @rw: read/write + * + * Transfer data from/to the device data register by 8 bit PIO. + * + * LOCKING: + * Inherited from caller. + */ + +static unsigned int ata_data_xfer_8bit(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw) +{ + struct ata_port *ap = dev->link->ap; + + if (rw == READ) + ioread8_rep(ap->ioaddr.data_addr, buf, buflen); + else + iowrite8_rep(ap->ioaddr.data_addr, buf, buflen); + + return buflen; +} + + static struct scsi_host_template pcmcia_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -129,6 +170,31 @@ static struct ata_port_operations pcmcia_port_ops = { .port_start = ata_sff_port_start, }; +static struct ata_port_operations pcmcia_8bit_port_ops = { + .set_mode = pcmcia_set_mode_8bit, + .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 = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + + .data_xfer = ata_data_xfer_8bit, + + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_sff_port_start, +}; + #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) @@ -153,9 +219,12 @@ static int pcmcia_init_one(struct pcmcia_device *pdev) cistpl_cftable_entry_t dflt; } *stk = NULL; cistpl_cftable_entry_t *cfg; - int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM; + int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p; unsigned long io_base, ctl_base; void __iomem *io_addr, *ctl_addr; + int n_ports = 1; + + struct ata_port_operations *ops = &pcmcia_port_ops; info = kzalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) @@ -282,27 +351,32 @@ next_entry: /* FIXME: Could be more ports at base + 0x10 but we only deal with one right now */ if (pdev->io.NumPorts1 >= 0x20) - printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n"); + n_ports = 2; + if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620) + ops = &pcmcia_8bit_port_ops; /* * Having done the PCMCIA plumbing the ATA side is relatively * sane. */ ret = -ENOMEM; - host = ata_host_alloc(&pdev->dev, 1); + host = ata_host_alloc(&pdev->dev, n_ports); if (!host) goto failed; - ap = host->ports[0]; - ap->ops = &pcmcia_port_ops; - ap->pio_mask = 1; /* ISA so PIO 0 cycles */ - ap->flags |= ATA_FLAG_SLAVE_POSS; - ap->ioaddr.cmd_addr = io_addr; - ap->ioaddr.altstatus_addr = ctl_addr; - ap->ioaddr.ctl_addr = ctl_addr; - ata_std_ports(&ap->ioaddr); + for (p = 0; p < n_ports; p++) { + ap = host->ports[p]; - ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base); + ap->ops = ops; + ap->pio_mask = 1; /* ISA so PIO 0 cycles */ + ap->flags |= ATA_FLAG_SLAVE_POSS; + ap->ioaddr.cmd_addr = io_addr + 0x10 * p; + ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p; + ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p; + ata_std_ports(&ap->ioaddr); + + ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base); + } /* activate */ ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt, @@ -360,6 +434,7 @@ static struct pcmcia_device_id pcmcia_devices[] = { PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904), PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */ + PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */ PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index 2622577521a..028af5dbeed 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -348,7 +348,7 @@ static unsigned long pdc2027x_mode_filter(struct ata_device *adev, unsigned long ata_id_c_string(pair->id, model_num, ATA_ID_PROD, ATA_ID_PROD_LEN + 1); /* If the master is a maxtor in UDMA6 then the slave should not use UDMA 6 */ - if (strstr(model_num, "Maxtor") == 0 && pair->dma_mode == XFER_UDMA_6) + if (strstr(model_num, "Maxtor") == NULL && pair->dma_mode == XFER_UDMA_6) mask &= ~ (1 << (6 + ATA_SHIFT_UDMA)); return ata_pci_default_filter(adev, mask); diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index bc7c2d5d8d5..3ed866723e0 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -168,8 +168,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) pdc202xx_set_dmamode(ap, qc->dev); /* 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) || tf->protocol == ATAPI_PROT_DMA) { len = qc->nbytes / 2; if (tf->flags & ATA_TFLAG_WRITE) @@ -208,15 +207,15 @@ static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc) 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)) { + if (tf->protocol == ATAPI_PROT_DMA || (tf->flags & ATA_TFLAG_LBA48)) { iowrite32(0, atapi_reg); iowrite8(ioread8(clock) & ~sel66, clock); } /* Flip back to 33Mhz for PIO */ if (adev->dma_mode >= XFER_UDMA_2) iowrite8(ioread8(clock) & ~sel66, clock); - ata_bmdma_stop(qc); + pdc202xx_set_piomode(ap, adev); } /** @@ -233,6 +232,35 @@ static void pdc2026x_dev_config(struct ata_device *adev) adev->max_sectors = 256; } +static int pdc2026x_port_start(struct ata_port *ap) +{ + void __iomem *bmdma = ap->ioaddr.bmdma_addr; + if (bmdma) { + /* Enable burst mode */ + u8 burst = ioread8(bmdma + 0x1f); + iowrite8(burst | 0x01, bmdma + 0x1f); + } + return ata_sff_port_start(ap); +} + +/** + * pdc2026x_check_atapi_dma - Check whether ATAPI DMA can be supported for this command + * @qc: Metadata associated with taskfile to check + * + * Just say no - not supported on older Promise. + * + * LOCKING: + * None (inherited from caller). + * + * RETURNS: 0 when ATAPI DMA can be used + * 1 otherwise + */ + +static int pdc2026x_check_atapi_dma(struct ata_queued_cmd *qc) +{ + return 1; +} + static struct scsi_host_template pdc202xx_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -300,6 +328,7 @@ static struct ata_port_operations pdc2026x_port_ops = { .post_internal_cmd = ata_bmdma_post_internal_cmd, .cable_detect = pdc2026x_cable_detect, + .check_atapi_dma= pdc2026x_check_atapi_dma, .bmdma_setup = ata_bmdma_setup, .bmdma_start = pdc2026x_bmdma_start, .bmdma_stop = pdc2026x_bmdma_stop, @@ -313,7 +342,7 @@ static struct ata_port_operations pdc2026x_port_ops = { .irq_clear = ata_bmdma_irq_clear, .irq_on = ata_irq_on, - .port_start = ata_sff_port_start, + .port_start = pdc2026x_port_start, }; 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 ac03a90a616..aad7adc6ea5 100644 --- a/drivers/ata/pata_platform.c +++ b/drivers/ata/pata_platform.c @@ -19,7 +19,7 @@ #include <linux/ata.h> #include <linux/libata.h> #include <linux/platform_device.h> -#include <linux/pata_platform.h> +#include <linux/ata_platform.h> #define DRV_NAME "pata_platform" #define DRV_VERSION "1.2" @@ -93,14 +93,9 @@ static struct ata_port_operations pata_platform_port_ops = { }; static void pata_platform_setup_port(struct ata_ioports *ioaddr, - struct pata_platform_info *info) + unsigned int shift) { - unsigned int shift = 0; - /* Fixup the port shift for platforms that need it */ - if (info && info->ioport_shift) - shift = info->ioport_shift; - ioaddr->data_addr = ioaddr->cmd_addr + (ATA_REG_DATA << shift); ioaddr->error_addr = ioaddr->cmd_addr + (ATA_REG_ERR << shift); ioaddr->feature_addr = ioaddr->cmd_addr + (ATA_REG_FEATURE << shift); @@ -114,8 +109,13 @@ static void pata_platform_setup_port(struct ata_ioports *ioaddr, } /** - * pata_platform_probe - attach a platform interface - * @pdev: platform device + * __pata_platform_probe - attach a platform interface + * @dev: device + * @io_res: Resource representing I/O base + * @ctl_res: Resource representing CTL base + * @irq_res: Resource representing IRQ and its flags + * @ioport_shift: I/O port shift + * @__pio_mask: PIO mask * * Register a platform bus IDE interface. Such interfaces are PIO and we * assume do not support IRQ sharing. @@ -135,42 +135,18 @@ static void pata_platform_setup_port(struct ata_ioports *ioaddr, * * If no IRQ resource is present, PIO polling mode is used instead. */ -static int __devinit pata_platform_probe(struct platform_device *pdev) +int __devinit __pata_platform_probe(struct device *dev, + struct resource *io_res, + struct resource *ctl_res, + struct resource *irq_res, + unsigned int ioport_shift, + int __pio_mask) { - struct resource *io_res, *ctl_res; struct ata_host *host; struct ata_port *ap; - struct pata_platform_info *pp_info; unsigned int mmio; - int irq; - - /* - * Simple resource validation .. - */ - if ((pdev->num_resources != 3) && (pdev->num_resources != 2)) { - dev_err(&pdev->dev, "invalid number of resources\n"); - return -EINVAL; - } - - /* - * Get the I/O base first - */ - io_res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (io_res == NULL) { - io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (unlikely(io_res == NULL)) - return -EINVAL; - } - - /* - * Then the CTL base - */ - ctl_res = platform_get_resource(pdev, IORESOURCE_IO, 1); - if (ctl_res == NULL) { - ctl_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (unlikely(ctl_res == NULL)) - return -EINVAL; - } + int irq = 0; + int irq_flags = 0; /* * Check for MMIO @@ -181,20 +157,21 @@ static int __devinit pata_platform_probe(struct platform_device *pdev) /* * And the IRQ */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) - irq = 0; /* no irq */ + if (irq_res && irq_res->start > 0) { + irq = irq_res->start; + irq_flags = irq_res->flags; + } /* * Now that that's out of the way, wire up the port.. */ - host = ata_host_alloc(&pdev->dev, 1); + host = ata_host_alloc(dev, 1); if (!host) return -ENOMEM; ap = host->ports[0]; ap->ops = &pata_platform_port_ops; - ap->pio_mask = pio_mask; + ap->pio_mask = __pio_mask; ap->flags |= ATA_FLAG_SLAVE_POSS; /* @@ -209,25 +186,24 @@ static int __devinit pata_platform_probe(struct platform_device *pdev) * Handle the MMIO case */ if (mmio) { - ap->ioaddr.cmd_addr = devm_ioremap(&pdev->dev, io_res->start, + ap->ioaddr.cmd_addr = devm_ioremap(dev, io_res->start, io_res->end - io_res->start + 1); - ap->ioaddr.ctl_addr = devm_ioremap(&pdev->dev, ctl_res->start, + ap->ioaddr.ctl_addr = devm_ioremap(dev, ctl_res->start, ctl_res->end - ctl_res->start + 1); } else { - ap->ioaddr.cmd_addr = devm_ioport_map(&pdev->dev, io_res->start, + ap->ioaddr.cmd_addr = devm_ioport_map(dev, io_res->start, io_res->end - io_res->start + 1); - ap->ioaddr.ctl_addr = devm_ioport_map(&pdev->dev, ctl_res->start, + ap->ioaddr.ctl_addr = devm_ioport_map(dev, ctl_res->start, ctl_res->end - ctl_res->start + 1); } if (!ap->ioaddr.cmd_addr || !ap->ioaddr.ctl_addr) { - dev_err(&pdev->dev, "failed to map IO/CTL base\n"); + dev_err(dev, "failed to map IO/CTL base\n"); return -ENOMEM; } ap->ioaddr.altstatus_addr = ap->ioaddr.ctl_addr; - pp_info = pdev->dev.platform_data; - pata_platform_setup_port(&ap->ioaddr, pp_info); + pata_platform_setup_port(&ap->ioaddr, ioport_shift); ata_port_desc(ap, "%s cmd 0x%llx ctl 0x%llx", mmio ? "mmio" : "ioport", (unsigned long long)io_res->start, @@ -235,26 +211,78 @@ static int __devinit pata_platform_probe(struct platform_device *pdev) /* activate */ return ata_host_activate(host, irq, irq ? ata_interrupt : NULL, - pp_info ? pp_info->irq_flags : 0, - &pata_platform_sht); + irq_flags, &pata_platform_sht); } +EXPORT_SYMBOL_GPL(__pata_platform_probe); /** - * pata_platform_remove - unplug a platform interface - * @pdev: platform device + * __pata_platform_remove - unplug a platform interface + * @dev: device * * A platform bus ATA device has been unplugged. Perform the needed * cleanup. Also called on module unload for any active devices. */ -static int __devexit pata_platform_remove(struct platform_device *pdev) +int __devexit __pata_platform_remove(struct device *dev) { - struct device *dev = &pdev->dev; struct ata_host *host = dev_get_drvdata(dev); ata_host_detach(host); return 0; } +EXPORT_SYMBOL_GPL(__pata_platform_remove); + +static int __devinit pata_platform_probe(struct platform_device *pdev) +{ + struct resource *io_res; + struct resource *ctl_res; + struct resource *irq_res; + struct pata_platform_info *pp_info = pdev->dev.platform_data; + + /* + * Simple resource validation .. + */ + if ((pdev->num_resources != 3) && (pdev->num_resources != 2)) { + dev_err(&pdev->dev, "invalid number of resources\n"); + return -EINVAL; + } + + /* + * Get the I/O base first + */ + io_res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (io_res == NULL) { + io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(io_res == NULL)) + return -EINVAL; + } + + /* + * Then the CTL base + */ + ctl_res = platform_get_resource(pdev, IORESOURCE_IO, 1); + if (ctl_res == NULL) { + ctl_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (unlikely(ctl_res == NULL)) + return -EINVAL; + } + + /* + * And the IRQ + */ + irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (irq_res) + irq_res->flags = pp_info ? pp_info->irq_flags : 0; + + return __pata_platform_probe(&pdev->dev, io_res, ctl_res, irq_res, + pp_info ? pp_info->ioport_shift : 0, + pio_mask); +} + +static int __devexit pata_platform_remove(struct platform_device *pdev) +{ + return __pata_platform_remove(&pdev->dev); +} static struct platform_driver pata_platform_driver = { .probe = pata_platform_probe, diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c index 7d4c696c4cb..9f308ed76cc 100644 --- a/drivers/ata/pata_qdi.c +++ b/drivers/ata/pata_qdi.c @@ -124,31 +124,33 @@ static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc) return ata_qc_issue_prot(qc); } -static void qdi_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) +static unsigned int qdi_data_xfer(struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw) { - struct ata_port *ap = adev->link->ap; - int slop = buflen & 3; + if (ata_id_has_dword_io(dev->id)) { + struct ata_port *ap = dev->link->ap; + int slop = buflen & 3; - if (ata_id_has_dword_io(adev->id)) { - if (write_data) - iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); - else + if (rw == READ) ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); + else + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { u32 pad; - if (write_data) { - memcpy(&pad, buf + buflen - slop, slop); - pad = le32_to_cpu(pad); - iowrite32(pad, ap->ioaddr.data_addr); - } else { - pad = ioread32(ap->ioaddr.data_addr); - pad = cpu_to_le32(pad); + if (rw == READ) { + pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr)); memcpy(buf + buflen - slop, &pad, slop); + } else { + memcpy(&pad, buf + buflen - slop, slop); + iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr); } + buflen += 4 - slop; } } else - ata_data_xfer(adev, buf, buflen, write_data); + buflen = ata_data_xfer(dev, buf, buflen, rw); + + return buflen; } static struct scsi_host_template qdi_sht = { diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index ea2ef9fc15b..55055b27524 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -768,45 +768,47 @@ static u8 scc_bmdma_status (struct ata_port *ap) /** * scc_data_xfer - Transfer data by PIO - * @adev: device for this I/O + * @dev: device for this I/O * @buf: data buffer * @buflen: buffer length - * @write_data: read/write + * @rw: read/write * * Note: Original code is ata_data_xfer(). */ -static void scc_data_xfer (struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) +static unsigned int scc_data_xfer (struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw) { - struct ata_port *ap = adev->link->ap; + struct ata_port *ap = dev->link->ap; unsigned int words = buflen >> 1; unsigned int i; u16 *buf16 = (u16 *) buf; void __iomem *mmio = ap->ioaddr.data_addr; /* Transfer multiple of 2 bytes */ - if (write_data) { - for (i = 0; i < words; i++) - out_be32(mmio, cpu_to_le16(buf16[i])); - } else { + if (rw == READ) for (i = 0; i < words; i++) buf16[i] = le16_to_cpu(in_be32(mmio)); - } + else + for (i = 0; i < words; i++) + out_be32(mmio, cpu_to_le16(buf16[i])); /* 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); - out_be32(mmio, cpu_to_le16(align_buf[0])); - } else { + if (rw == READ) { align_buf[0] = le16_to_cpu(in_be32(mmio)); memcpy(trailing_buf, align_buf, 1); + } else { + memcpy(align_buf, trailing_buf, 1); + out_be32(mmio, cpu_to_le16(align_buf[0])); } + words++; } + + return words << 1; } /** diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 8bed8887372..9c523fbf529 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -41,7 +41,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_serverworks" -#define DRV_VERSION "0.4.2" +#define DRV_VERSION "0.4.3" #define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */ #define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */ @@ -102,7 +102,7 @@ static int osb4_cable(struct ata_port *ap) { } /** - * csb4_cable - CSB5/6 cable detect + * csb_cable - CSB5/6 cable detect * @ap: ATA port to check * * Serverworks default arrangement is to use the drive side detection @@ -110,7 +110,7 @@ static int osb4_cable(struct ata_port *ap) { */ static int csb_cable(struct ata_port *ap) { - return ATA_CBL_PATA80; + return ATA_CBL_PATA_UNK; } struct sv_cable_table { @@ -231,7 +231,6 @@ static unsigned long serverworks_csb_filter(struct ata_device *adev, unsigned lo return ata_pci_default_filter(adev, mask); } - /** * serverworks_set_piomode - set initial PIO mode data * @ap: ATA interface @@ -243,7 +242,7 @@ static unsigned long serverworks_csb_filter(struct ata_device *adev, unsigned lo static void serverworks_set_piomode(struct ata_port *ap, struct ata_device *adev) { static const u8 pio_mode[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 }; - int offset = 1 + (2 * ap->port_no) - adev->devno; + int offset = 1 + 2 * ap->port_no - adev->devno; int devbits = (2 * ap->port_no + adev->devno) * 4; u16 csb5_pio; struct pci_dev *pdev = to_pci_dev(ap->host->dev); diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 87546d9f1ca..dc7e91562e4 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -345,7 +345,7 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev) if (adev->dma_mode < XFER_UDMA_0) { /* bits 3-0 hold recovery timing bits 8-10 active timing and - the higer bits are dependant on the device */ + the higher bits are dependant on the device */ timing &= ~0x870F; timing |= mwdma_bits[speed]; } else { @@ -385,7 +385,7 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) if (adev->dma_mode < XFER_UDMA_0) { /* bits 3-0 hold recovery timing bits 8-10 active timing and - the higer bits are dependant on the device, bit 15 udma */ + the higher bits are dependant on the device, bit 15 udma */ timing &= ~0x870F; timing |= mwdma_bits[speed]; } else { diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index 1388cef52c0..81ef207f826 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -26,7 +26,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_sl82c105" -#define DRV_VERSION "0.3.2" +#define DRV_VERSION "0.3.3" enum { /* @@ -206,6 +206,34 @@ static void sl82c105_bmdma_stop(struct ata_queued_cmd *qc) sl82c105_set_piomode(ap, qc->dev); } +/** + * sl82c105_qc_defer - implement serialization + * @qc: command + * + * We must issue one command per host not per channel because + * of the reset bug. + * + * Q: is the scsi host lock sufficient ? + */ + +static int sl82c105_qc_defer(struct ata_queued_cmd *qc) +{ + struct ata_host *host = qc->ap->host; + struct ata_port *alt = host->ports[1 ^ qc->ap->port_no]; + int rc; + + /* First apply the usual rules */ + rc = ata_std_qc_defer(qc); + if (rc != 0) + return rc; + + /* Now apply serialization rules. Only allow a command if the + other channel state machine is idle */ + if (alt && alt->qc_active) + return ATA_DEFER_PORT; + return 0; +} + static struct scsi_host_template sl82c105_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -245,6 +273,7 @@ static struct ata_port_operations sl82c105_port_ops = { .bmdma_stop = sl82c105_bmdma_stop, .bmdma_status = ata_bmdma_status, + .qc_defer = sl82c105_qc_defer, .qc_prep = ata_qc_prep, .qc_issue = ata_qc_issue_prot, @@ -312,7 +341,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id }; /* for now use only the first port */ const struct ata_port_info *ppi[] = { &info_early, - &ata_dummy_port_info }; + NULL }; u32 val; int rev; diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 453d72bf259..39627ab684b 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -185,7 +185,8 @@ static int via_cable_detect(struct ata_port *ap) { if (ata66 & (0x10100000 >> (16 * ap->port_no))) return ATA_CBL_PATA80; /* Check with ACPI so we can spot BIOS reported SATA bridges */ - if (ata_acpi_cbl_80wire(ap)) + if (ata_acpi_init_gtm(ap) && + ata_acpi_cbl_80wire(ap, ata_acpi_init_gtm(ap))) return ATA_CBL_PATA80; return ATA_CBL_PATA40; } diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c index 311cdb3a556..99c92eda217 100644 --- a/drivers/ata/pata_winbond.c +++ b/drivers/ata/pata_winbond.c @@ -92,31 +92,33 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) } -static void winbond_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) +static unsigned int winbond_data_xfer(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw) { - struct ata_port *ap = adev->link->ap; + struct ata_port *ap = dev->link->ap; int slop = buflen & 3; - if (ata_id_has_dword_io(adev->id)) { - if (write_data) - iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); - else + if (ata_id_has_dword_io(dev->id)) { + if (rw == READ) ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); + else + iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); if (unlikely(slop)) { u32 pad; - if (write_data) { - memcpy(&pad, buf + buflen - slop, slop); - pad = le32_to_cpu(pad); - iowrite32(pad, ap->ioaddr.data_addr); - } else { - pad = ioread32(ap->ioaddr.data_addr); - pad = cpu_to_le16(pad); + if (rw == READ) { + pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr)); memcpy(buf + buflen - slop, &pad, slop); + } else { + memcpy(&pad, buf + buflen - slop, slop); + iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr); } + buflen += 4 - slop; } } else - ata_data_xfer(adev, buf, buflen, write_data); + buflen = ata_data_xfer(dev, buf, buflen, rw); + + return buflen; } static struct scsi_host_template winbond_sht = { @@ -193,7 +195,7 @@ static __init int winbond_init_one(unsigned long port) reg = winbond_readcfg(port, 0x81); if (!(reg & 0x03)) /* Disabled */ - return 0; + return -ENODEV; for (i = 0; i < 2 ; i ++) { unsigned long cmd_port = 0x1F0 - (0x80 * i); diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index bd4c2a3c88d..8e1b7e9c0ae 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -321,8 +321,9 @@ static int adma_fill_sg(struct ata_queued_cmd *qc) u8 *buf = pp->pkt, *last_buf = NULL; int i = (2 + buf[3]) * 8; u8 pFLAGS = pORD | ((qc->tf.flags & ATA_TFLAG_WRITE) ? pDIRO : 0); + unsigned int si; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { u32 addr; u32 len; @@ -455,7 +456,7 @@ static unsigned int adma_qc_issue(struct ata_queued_cmd *qc) adma_packet_start(qc); return 0; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: BUG(); break; diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index d015b4adcfe..efcb66b6cce 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -333,13 +333,14 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, struct prde *prd_ptr_to_indirect_ext = NULL; unsigned indirect_ext_segment_sz = 0; dma_addr_t indirect_ext_segment_paddr; + unsigned int si; VPRINTK("SATA FSL : cd = 0x%x, prd = 0x%x\n", cmd_desc, prd); indirect_ext_segment_paddr = cmd_desc_paddr + SATA_FSL_CMD_DESC_OFFSET_TO_PRDT + SATA_FSL_MAX_PRD_DIRECT * 16; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { dma_addr_t sg_addr = sg_dma_address(sg); u32 sg_len = sg_dma_len(sg); @@ -354,8 +355,8 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc, ata_port_printk(qc->ap, KERN_ERR, "s/g len unaligned : 0x%x\n", sg_len); - if ((num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1)) && - (qc->n_iter + 1 != qc->n_elem)) { + if (num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1) && + sg_next(sg) != NULL) { VPRINTK("setting indirect prde\n"); prd_ptr_to_indirect_ext = prd; prd->dba = cpu_to_le32(indirect_ext_segment_paddr); @@ -417,7 +418,7 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) } /* setup "ACMD - atapi command" in cmd. desc. if this is ATAPI cmd */ - if (is_atapi_taskfile(&qc->tf)) { + if (ata_is_atapi(qc->tf.protocol)) { desc_info |= ATAPI_CMD; memset((void *)&cd->acmd, 0, 32); memcpy((void *)&cd->acmd, qc->cdb, qc->dev->cdb_len); diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 323c087e8cc..59e65edc582 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -108,17 +108,6 @@ struct inic_port_priv { 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, @@ -132,7 +121,7 @@ static struct scsi_host_template inic_sht = { .use_clustering = ATA_SHT_USE_CLUSTERING, .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, - .slave_configure = inic_slave_config, + .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; @@ -585,7 +574,7 @@ static struct ata_port_operations inic_port_ops = { }; static struct ata_port_info inic_port_info = { - /* For some reason, ATA_PROT_ATAPI is broken on this + /* For some reason, ATAPI_PROT_PIO 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 @@ -730,6 +719,18 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return rc; } + /* + * 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. + */ + rc = pci_set_dma_max_seg_size(pdev, 65536 - 512); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "failed to set the maximum segment size.\n"); + return rc; + } + rc = init_controller(iomap[MMIO_BAR], hpriv->cached_hctl); if (rc) { dev_printk(KERN_ERR, &pdev->dev, diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 37b850ae084..080b8362f8d 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -29,7 +29,13 @@ I distinctly remember a couple workarounds (one related to PCI-X) are still needed. - 4) Add NCQ support (easy to intermediate, once new-EH support appears) + 2) Improve/fix IRQ and error handling sequences. + + 3) ATAPI support (Marvell claims the 60xx/70xx chips can do it). + + 4) Think about TCQ support here, and for libata in general + with controllers that suppport it via host-queuing hardware + (a software-only implementation could be a nightmare). 5) Investigate problems with PCI Message Signalled Interrupts (MSI). @@ -53,8 +59,6 @@ Target mode, for those without docs, is the ability to directly connect two SATA controllers. - 13) Verify that 7042 is fully supported. I only have a 6042. - */ @@ -65,15 +69,18 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/dmapool.h> #include <linux/dma-mapping.h> #include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/ata_platform.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <linux/libata.h> #define DRV_NAME "sata_mv" -#define DRV_VERSION "1.01" +#define DRV_VERSION "1.20" enum { /* BAR's are enumerated in terms of pci_resource_start() terms */ @@ -107,14 +114,12 @@ enum { /* CRQB needs alignment on a 1KB boundary. Size == 1KB * CRPB needs alignment on a 256B boundary. Size == 256B - * SG count of 176 leads to MV_PORT_PRIV_DMA_SZ == 4KB * ePRD (SG) entries need alignment on a 16B boundary. Size == 16B */ MV_CRQB_Q_SZ = (32 * MV_MAX_Q_DEPTH), MV_CRPB_Q_SZ = (8 * MV_MAX_Q_DEPTH), - MV_MAX_SG_CT = 176, + MV_MAX_SG_CT = 256, MV_SG_TBL_SZ = (16 * MV_MAX_SG_CT), - MV_PORT_PRIV_DMA_SZ = (MV_CRQB_Q_SZ + MV_CRPB_Q_SZ + MV_SG_TBL_SZ), MV_PORTS_PER_HC = 4, /* == (port / MV_PORTS_PER_HC) to determine HC from 0-7 port */ @@ -125,6 +130,9 @@ enum { /* Host Flags */ MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */ MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */ + /* SoC integrated controllers, no PCI interface */ + MV_FLAG_SOC = (1 << 28), + MV_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING, @@ -170,10 +178,12 @@ enum { PCIE_IRQ_CAUSE_OFS = 0x1900, PCIE_IRQ_MASK_OFS = 0x1910, - PCIE_UNMASK_ALL_IRQS = 0x70a, /* assorted bits */ + PCIE_UNMASK_ALL_IRQS = 0x40a, /* assorted bits */ HC_MAIN_IRQ_CAUSE_OFS = 0x1d60, HC_MAIN_IRQ_MASK_OFS = 0x1d64, + HC_SOC_MAIN_IRQ_CAUSE_OFS = 0x20020, + HC_SOC_MAIN_IRQ_MASK_OFS = 0x20024, PORT0_ERR = (1 << 0), /* shift by port # */ PORT0_DONE = (1 << 1), /* shift by port # */ HC0_IRQ_PEND = 0x1ff, /* bits 0-8 = HC0's ports */ @@ -189,11 +199,13 @@ enum { TWSI_INT = (1 << 24), HC_MAIN_RSVD = (0x7f << 25), /* bits 31-25 */ HC_MAIN_RSVD_5 = (0x1fff << 19), /* bits 31-19 */ + HC_MAIN_RSVD_SOC = (0x3fffffb << 6), /* bits 31-9, 7-6 */ HC_MAIN_MASKED_IRQS = (TRAN_LO_DONE | TRAN_HI_DONE | PORTS_0_7_COAL_DONE | GPIO_INT | TWSI_INT | HC_MAIN_RSVD), HC_MAIN_MASKED_IRQS_5 = (PORTS_0_3_COAL_DONE | PORTS_4_7_COAL_DONE | HC_MAIN_RSVD_5), + HC_MAIN_MASKED_IRQS_SOC = (PORTS_0_3_COAL_DONE | HC_MAIN_RSVD_SOC), /* SATAHC registers */ HC_CFG_OFS = 0, @@ -210,6 +222,7 @@ enum { /* SATA registers */ SATA_STATUS_OFS = 0x300, /* ctrl, err regs follow status */ SATA_ACTIVE_OFS = 0x350, + SATA_FIS_IRQ_CAUSE_OFS = 0x364, PHY_MODE3 = 0x310, PHY_MODE4 = 0x314, PHY_MODE2 = 0x330, @@ -222,11 +235,11 @@ enum { /* Port registers */ EDMA_CFG_OFS = 0, - EDMA_CFG_Q_DEPTH = 0, /* queueing disabled */ - EDMA_CFG_NCQ = (1 << 5), - EDMA_CFG_NCQ_GO_ON_ERR = (1 << 14), /* continue on error */ - EDMA_CFG_RD_BRST_EXT = (1 << 11), /* read burst 512B */ - EDMA_CFG_WR_BUFF_LEN = (1 << 13), /* write buffer 512B */ + EDMA_CFG_Q_DEPTH = 0x1f, /* max device queue depth */ + EDMA_CFG_NCQ = (1 << 5), /* for R/W FPDMA queued */ + EDMA_CFG_NCQ_GO_ON_ERR = (1 << 14), /* continue on error */ + EDMA_CFG_RD_BRST_EXT = (1 << 11), /* read burst 512B */ + EDMA_CFG_WR_BUFF_LEN = (1 << 13), /* write buffer 512B */ EDMA_ERR_IRQ_CAUSE_OFS = 0x8, EDMA_ERR_IRQ_MASK_OFS = 0xc, @@ -244,14 +257,33 @@ enum { EDMA_ERR_CRPB_PAR = (1 << 10), /* CRPB parity error */ EDMA_ERR_INTRL_PAR = (1 << 11), /* internal parity error */ EDMA_ERR_IORDY = (1 << 12), /* IORdy timeout */ + EDMA_ERR_LNK_CTRL_RX = (0xf << 13), /* link ctrl rx error */ - EDMA_ERR_LNK_CTRL_RX_2 = (1 << 15), + EDMA_ERR_LNK_CTRL_RX_0 = (1 << 13), /* transient: CRC err */ + EDMA_ERR_LNK_CTRL_RX_1 = (1 << 14), /* transient: FIFO err */ + EDMA_ERR_LNK_CTRL_RX_2 = (1 << 15), /* fatal: caught SYNC */ + EDMA_ERR_LNK_CTRL_RX_3 = (1 << 16), /* transient: FIS rx err */ + EDMA_ERR_LNK_DATA_RX = (0xf << 17), /* link data rx error */ + EDMA_ERR_LNK_CTRL_TX = (0x1f << 21), /* link ctrl tx error */ + EDMA_ERR_LNK_CTRL_TX_0 = (1 << 21), /* transient: CRC err */ + EDMA_ERR_LNK_CTRL_TX_1 = (1 << 22), /* transient: FIFO err */ + EDMA_ERR_LNK_CTRL_TX_2 = (1 << 23), /* transient: caught SYNC */ + EDMA_ERR_LNK_CTRL_TX_3 = (1 << 24), /* transient: caught DMAT */ + EDMA_ERR_LNK_CTRL_TX_4 = (1 << 25), /* transient: FIS collision */ + EDMA_ERR_LNK_DATA_TX = (0x1f << 26), /* link data tx error */ + EDMA_ERR_TRANS_PROTO = (1 << 31), /* transport protocol error */ EDMA_ERR_OVERRUN_5 = (1 << 5), EDMA_ERR_UNDERRUN_5 = (1 << 6), + + EDMA_ERR_IRQ_TRANSIENT = EDMA_ERR_LNK_CTRL_RX_0 | + EDMA_ERR_LNK_CTRL_RX_1 | + EDMA_ERR_LNK_CTRL_RX_3 | + EDMA_ERR_LNK_CTRL_TX, + EDMA_EH_FREEZE = EDMA_ERR_D_PAR | EDMA_ERR_PRD_PAR | EDMA_ERR_DEV_DCON | @@ -311,12 +343,14 @@ enum { /* Port private flags (pp_flags) */ MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */ + MV_PP_FLAG_NCQ_EN = (1 << 1), /* is EDMA set up for NCQ? */ MV_PP_FLAG_HAD_A_RESET = (1 << 2), /* 1st hard reset complete? */ }; #define IS_GEN_I(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_I) #define IS_GEN_II(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_II) #define IS_GEN_IIE(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_IIE) +#define HAS_PCI(host) (!((host)->ports[0]->flags & MV_FLAG_SOC)) enum { /* DMA boundary 0xffff is required by the s/g splitting @@ -341,6 +375,7 @@ enum chip_type { chip_608x, chip_6042, chip_7042, + chip_soc, }; /* Command ReQuest Block: 32B */ @@ -379,8 +414,8 @@ struct mv_port_priv { dma_addr_t crqb_dma; struct mv_crpb *crpb; dma_addr_t crpb_dma; - struct mv_sg *sg_tbl; - dma_addr_t sg_tbl_dma; + struct mv_sg *sg_tbl[MV_MAX_Q_DEPTH]; + dma_addr_t sg_tbl_dma[MV_MAX_Q_DEPTH]; unsigned int req_idx; unsigned int resp_idx; @@ -397,9 +432,21 @@ struct mv_host_priv { u32 hp_flags; struct mv_port_signal signal[8]; const struct mv_hw_ops *ops; + int n_ports; + void __iomem *base; + void __iomem *main_cause_reg_addr; + void __iomem *main_mask_reg_addr; u32 irq_cause_ofs; u32 irq_mask_ofs; u32 unmask_all_irqs; + /* + * These consistent DMA memory pools give us guaranteed + * alignment for hardware-accessed data structures, + * and less memory waste in accomplishing the alignment. + */ + struct dma_pool *crqb_pool; + struct dma_pool *crpb_pool; + struct dma_pool *sg_tbl_pool; }; struct mv_hw_ops { @@ -411,7 +458,7 @@ struct mv_hw_ops { int (*reset_hc)(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int n_hc); void (*reset_flash)(struct mv_host_priv *hpriv, void __iomem *mmio); - void (*reset_bus)(struct pci_dev *pdev, void __iomem *mmio); + void (*reset_bus)(struct ata_host *host, void __iomem *mmio); }; static void mv_irq_clear(struct ata_port *ap); @@ -425,10 +472,9 @@ static void mv_qc_prep(struct ata_queued_cmd *qc); static void mv_qc_prep_iie(struct ata_queued_cmd *qc); static unsigned int mv_qc_issue(struct ata_queued_cmd *qc); static void mv_error_handler(struct ata_port *ap); -static void mv_post_int_cmd(struct ata_queued_cmd *qc); static void mv_eh_freeze(struct ata_port *ap); static void mv_eh_thaw(struct ata_port *ap); -static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); +static void mv6_dev_config(struct ata_device *dev); static void mv5_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int port); @@ -438,7 +484,7 @@ static void mv5_read_preamp(struct mv_host_priv *hpriv, int idx, static int mv5_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int n_hc); static void mv5_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio); -static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio); +static void mv5_reset_bus(struct ata_host *host, void __iomem *mmio); static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int port); @@ -448,10 +494,26 @@ static void mv6_read_preamp(struct mv_host_priv *hpriv, int idx, static int mv6_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int n_hc); static void mv6_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio); -static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio); +static void mv_soc_enable_leds(struct mv_host_priv *hpriv, + void __iomem *mmio); +static void mv_soc_read_preamp(struct mv_host_priv *hpriv, int idx, + void __iomem *mmio); +static int mv_soc_reset_hc(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int n_hc); +static void mv_soc_reset_flash(struct mv_host_priv *hpriv, + void __iomem *mmio); +static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio); +static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio); static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int port_no); +static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv, + void __iomem *port_mmio, int want_ncq); +static int __mv_stop_dma(struct ata_port *ap); +/* .sg_tablesize is (MV_MAX_SG_CT / 2) in the structures below + * because we have to allow room for worst case splitting of + * PRDs for 64K boundaries in mv_fill_sg(). + */ static struct scsi_host_template mv5_sht = { .module = THIS_MODULE, .name = DRV_NAME, @@ -475,7 +537,8 @@ static struct scsi_host_template mv6_sht = { .name = DRV_NAME, .ioctl = ata_scsi_ioctl, .queuecommand = ata_scsi_queuecmd, - .can_queue = ATA_DEF_QUEUE, + .change_queue_depth = ata_scsi_change_queue_depth, + .can_queue = MV_MAX_Q_DEPTH - 1, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = MV_MAX_SG_CT / 2, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, @@ -505,7 +568,6 @@ static const struct ata_port_operations mv5_ops = { .irq_on = ata_irq_on, .error_handler = mv_error_handler, - .post_internal_cmd = mv_post_int_cmd, .freeze = mv_eh_freeze, .thaw = mv_eh_thaw, @@ -517,6 +579,7 @@ static const struct ata_port_operations mv5_ops = { }; static const struct ata_port_operations mv6_ops = { + .dev_config = mv6_dev_config, .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -533,9 +596,9 @@ static const struct ata_port_operations mv6_ops = { .irq_on = ata_irq_on, .error_handler = mv_error_handler, - .post_internal_cmd = mv_post_int_cmd, .freeze = mv_eh_freeze, .thaw = mv_eh_thaw, + .qc_defer = ata_std_qc_defer, .scr_read = mv_scr_read, .scr_write = mv_scr_write, @@ -561,9 +624,9 @@ static const struct ata_port_operations mv_iie_ops = { .irq_on = ata_irq_on, .error_handler = mv_error_handler, - .post_internal_cmd = mv_post_int_cmd, .freeze = mv_eh_freeze, .thaw = mv_eh_thaw, + .qc_defer = ata_std_qc_defer, .scr_read = mv_scr_read, .scr_write = mv_scr_write, @@ -592,30 +655,39 @@ static const struct ata_port_info mv_port_info[] = { .port_ops = &mv5_ops, }, { /* chip_604x */ - .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS, + .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | + ATA_FLAG_NCQ, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, .port_ops = &mv6_ops, }, { /* chip_608x */ .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | - MV_FLAG_DUAL_HC, + ATA_FLAG_NCQ | MV_FLAG_DUAL_HC, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, .port_ops = &mv6_ops, }, { /* chip_6042 */ - .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS, + .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | + ATA_FLAG_NCQ, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, .port_ops = &mv_iie_ops, }, { /* chip_7042 */ - .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS, + .flags = MV_COMMON_FLAGS | MV_6XXX_FLAGS | + ATA_FLAG_NCQ, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, .port_ops = &mv_iie_ops, }, + { /* chip_soc */ + .flags = MV_COMMON_FLAGS | MV_FLAG_SOC, + .pio_mask = 0x1f, /* pio0-4 */ + .udma_mask = ATA_UDMA6, + .port_ops = &mv_iie_ops, + }, }; static const struct pci_device_id mv_pci_tbl[] = { @@ -648,13 +720,6 @@ static const struct pci_device_id mv_pci_tbl[] = { { } /* terminate list */ }; -static struct pci_driver mv_pci_driver = { - .name = DRV_NAME, - .id_table = mv_pci_tbl, - .probe = mv_init_one, - .remove = ata_pci_remove_one, -}; - static const struct mv_hw_ops mv5xxx_ops = { .phy_errata = mv5_phy_errata, .enable_leds = mv5_enable_leds, @@ -673,44 +738,14 @@ static const struct mv_hw_ops mv6xxx_ops = { .reset_bus = mv_reset_pci_bus, }; -/* - * module options - */ -static int msi; /* Use PCI msi; either zero (off, default) or non-zero */ - - -/* move to PCI layer or libata core? */ -static int pci_go_64(struct pci_dev *pdev) -{ - int rc; - - if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { - rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); - if (rc) { - rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); - if (rc) { - dev_printk(KERN_ERR, &pdev->dev, - "64-bit DMA enable failed\n"); - return rc; - } - } - } else { - 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; - } - } - - return rc; -} +static const struct mv_hw_ops mv_soc_ops = { + .phy_errata = mv6_phy_errata, + .enable_leds = mv_soc_enable_leds, + .read_preamp = mv_soc_read_preamp, + .reset_hc = mv_soc_reset_hc, + .reset_flash = mv_soc_reset_flash, + .reset_bus = mv_soc_reset_bus, +}; /* * Functions @@ -750,9 +785,15 @@ static inline void __iomem *mv_port_base(void __iomem *base, unsigned int port) (mv_hardport_from_port(port) * MV_PORT_REG_SZ); } +static inline void __iomem *mv_host_base(struct ata_host *host) +{ + struct mv_host_priv *hpriv = host->private_data; + return hpriv->base; +} + static inline void __iomem *mv_ap_base(struct ata_port *ap) { - return mv_port_base(ap->host->iomap[MV_PRIMARY_BAR], ap->port_no); + return mv_port_base(mv_host_base(ap->host), ap->port_no); } static inline int mv_get_hc_count(unsigned long port_flags) @@ -815,19 +856,46 @@ static void mv_set_edma_ptrs(void __iomem *port_mmio, * LOCKING: * Inherited from caller. */ -static void mv_start_dma(void __iomem *base, struct mv_host_priv *hpriv, - struct mv_port_priv *pp) +static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio, + struct mv_port_priv *pp, u8 protocol) { + int want_ncq = (protocol == ATA_PROT_NCQ); + + if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) { + int using_ncq = ((pp->pp_flags & MV_PP_FLAG_NCQ_EN) != 0); + if (want_ncq != using_ncq) + __mv_stop_dma(ap); + } if (!(pp->pp_flags & MV_PP_FLAG_EDMA_EN)) { + struct mv_host_priv *hpriv = ap->host->private_data; + int hard_port = mv_hardport_from_port(ap->port_no); + void __iomem *hc_mmio = mv_hc_base_from_port( + ap->host->iomap[MV_PRIMARY_BAR], hard_port); + u32 hc_irq_cause, ipending; + /* clear EDMA event indicators, if any */ - writelfl(0, base + EDMA_ERR_IRQ_CAUSE_OFS); + writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); + + /* clear EDMA interrupt indicator, if any */ + hc_irq_cause = readl(hc_mmio + HC_IRQ_CAUSE_OFS); + ipending = (DEV_IRQ << hard_port) | + (CRPB_DMA_DONE << hard_port); + if (hc_irq_cause & ipending) { + writelfl(hc_irq_cause & ~ipending, + hc_mmio + HC_IRQ_CAUSE_OFS); + } + + mv_edma_cfg(pp, hpriv, port_mmio, want_ncq); - mv_set_edma_ptrs(base, hpriv, pp); + /* clear FIS IRQ Cause */ + writelfl(0, port_mmio + SATA_FIS_IRQ_CAUSE_OFS); - writelfl(EDMA_EN, base + EDMA_CMD_OFS); + mv_set_edma_ptrs(port_mmio, hpriv, pp); + + writelfl(EDMA_EN, port_mmio + EDMA_CMD_OFS); pp->pp_flags |= MV_PP_FLAG_EDMA_EN; } - WARN_ON(!(EDMA_EN & readl(base + EDMA_CMD_OFS))); + WARN_ON(!(EDMA_EN & readl(port_mmio + EDMA_CMD_OFS))); } /** @@ -1003,38 +1071,76 @@ static int mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val) return -EINVAL; } -static void mv_edma_cfg(struct ata_port *ap, struct mv_host_priv *hpriv, - void __iomem *port_mmio) +static void mv6_dev_config(struct ata_device *adev) +{ + /* + * We don't have hob_nsect when doing NCQ commands on Gen-II. + * See mv_qc_prep() for more info. + */ + if (adev->flags & ATA_DFLAG_NCQ) + if (adev->max_sectors > ATA_MAX_SECTORS) + adev->max_sectors = ATA_MAX_SECTORS; +} + +static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv, + void __iomem *port_mmio, int want_ncq) { - u32 cfg = readl(port_mmio + EDMA_CFG_OFS); + u32 cfg; /* set up non-NCQ EDMA configuration */ - cfg &= ~(1 << 9); /* disable eQue */ + cfg = EDMA_CFG_Q_DEPTH; /* always 0x1f for *all* chips */ - if (IS_GEN_I(hpriv)) { - cfg &= ~0x1f; /* clear queue depth */ + if (IS_GEN_I(hpriv)) cfg |= (1 << 8); /* enab config burst size mask */ - } - else if (IS_GEN_II(hpriv)) { - cfg &= ~0x1f; /* clear queue depth */ + else if (IS_GEN_II(hpriv)) cfg |= EDMA_CFG_RD_BRST_EXT | EDMA_CFG_WR_BUFF_LEN; - cfg &= ~(EDMA_CFG_NCQ | EDMA_CFG_NCQ_GO_ON_ERR); /* clear NCQ */ - } else if (IS_GEN_IIE(hpriv)) { cfg |= (1 << 23); /* do not mask PM field in rx'd FIS */ cfg |= (1 << 22); /* enab 4-entry host queue cache */ - cfg &= ~(1 << 19); /* dis 128-entry queue (for now?) */ cfg |= (1 << 18); /* enab early completion */ cfg |= (1 << 17); /* enab cut-through (dis stor&forwrd) */ - cfg &= ~(1 << 16); /* dis FIS-based switching (for now) */ - cfg &= ~(EDMA_CFG_NCQ); /* clear NCQ */ } + if (want_ncq) { + cfg |= EDMA_CFG_NCQ; + pp->pp_flags |= MV_PP_FLAG_NCQ_EN; + } else + pp->pp_flags &= ~MV_PP_FLAG_NCQ_EN; + writelfl(cfg, port_mmio + EDMA_CFG_OFS); } +static void mv_port_free_dma_mem(struct ata_port *ap) +{ + struct mv_host_priv *hpriv = ap->host->private_data; + struct mv_port_priv *pp = ap->private_data; + int tag; + + if (pp->crqb) { + dma_pool_free(hpriv->crqb_pool, pp->crqb, pp->crqb_dma); + pp->crqb = NULL; + } + if (pp->crpb) { + dma_pool_free(hpriv->crpb_pool, pp->crpb, pp->crpb_dma); + pp->crpb = NULL; + } + /* + * For GEN_I, there's no NCQ, so we have only a single sg_tbl. + * For later hardware, we have one unique sg_tbl per NCQ tag. + */ + for (tag = 0; tag < MV_MAX_Q_DEPTH; ++tag) { + if (pp->sg_tbl[tag]) { + if (tag == 0 || !IS_GEN_I(hpriv)) + dma_pool_free(hpriv->sg_tbl_pool, + pp->sg_tbl[tag], + pp->sg_tbl_dma[tag]); + pp->sg_tbl[tag] = NULL; + } + } +} + /** * mv_port_start - Port specific init/start routine. * @ap: ATA channel to manipulate @@ -1051,51 +1157,47 @@ static int mv_port_start(struct ata_port *ap) struct mv_host_priv *hpriv = ap->host->private_data; struct mv_port_priv *pp; void __iomem *port_mmio = mv_ap_base(ap); - void *mem; - dma_addr_t mem_dma; unsigned long flags; - int rc; + int tag, rc; pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL); if (!pp) return -ENOMEM; - - mem = dmam_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma, - GFP_KERNEL); - if (!mem) - return -ENOMEM; - memset(mem, 0, MV_PORT_PRIV_DMA_SZ); + ap->private_data = pp; rc = ata_pad_alloc(ap, dev); if (rc) return rc; - /* First item in chunk of DMA memory: - * 32-slot command request table (CRQB), 32 bytes each in size - */ - pp->crqb = mem; - pp->crqb_dma = mem_dma; - mem += MV_CRQB_Q_SZ; - mem_dma += MV_CRQB_Q_SZ; + pp->crqb = dma_pool_alloc(hpriv->crqb_pool, GFP_KERNEL, &pp->crqb_dma); + if (!pp->crqb) + return -ENOMEM; + memset(pp->crqb, 0, MV_CRQB_Q_SZ); - /* Second item: - * 32-slot command response table (CRPB), 8 bytes each in size - */ - pp->crpb = mem; - pp->crpb_dma = mem_dma; - mem += MV_CRPB_Q_SZ; - mem_dma += MV_CRPB_Q_SZ; + pp->crpb = dma_pool_alloc(hpriv->crpb_pool, GFP_KERNEL, &pp->crpb_dma); + if (!pp->crpb) + goto out_port_free_dma_mem; + memset(pp->crpb, 0, MV_CRPB_Q_SZ); - /* Third item: - * Table of scatter-gather descriptors (ePRD), 16 bytes each + /* + * For GEN_I, there's no NCQ, so we only allocate a single sg_tbl. + * For later hardware, we need one unique sg_tbl per NCQ tag. */ - pp->sg_tbl = mem; - pp->sg_tbl_dma = mem_dma; + for (tag = 0; tag < MV_MAX_Q_DEPTH; ++tag) { + if (tag == 0 || !IS_GEN_I(hpriv)) { + pp->sg_tbl[tag] = dma_pool_alloc(hpriv->sg_tbl_pool, + GFP_KERNEL, &pp->sg_tbl_dma[tag]); + if (!pp->sg_tbl[tag]) + goto out_port_free_dma_mem; + } else { + pp->sg_tbl[tag] = pp->sg_tbl[0]; + pp->sg_tbl_dma[tag] = pp->sg_tbl_dma[0]; + } + } spin_lock_irqsave(&ap->host->lock, flags); - mv_edma_cfg(ap, hpriv, port_mmio); - + mv_edma_cfg(pp, hpriv, port_mmio, 0); mv_set_edma_ptrs(port_mmio, hpriv, pp); spin_unlock_irqrestore(&ap->host->lock, flags); @@ -1104,8 +1206,11 @@ static int mv_port_start(struct ata_port *ap) * we'll be unable to send non-data, PIO, etc due to restricted access * to shadow regs. */ - ap->private_data = pp; return 0; + +out_port_free_dma_mem: + mv_port_free_dma_mem(ap); + return -ENOMEM; } /** @@ -1120,6 +1225,7 @@ static int mv_port_start(struct ata_port *ap) static void mv_port_stop(struct ata_port *ap) { mv_stop_dma(ap); + mv_port_free_dma_mem(ap); } /** @@ -1136,9 +1242,10 @@ static void mv_fill_sg(struct ata_queued_cmd *qc) struct mv_port_priv *pp = qc->ap->private_data; struct scatterlist *sg; struct mv_sg *mv_sg, *last_sg = NULL; + unsigned int si; - mv_sg = pp->sg_tbl; - ata_for_each_sg(sg, qc) { + mv_sg = pp->sg_tbl[qc->tag]; + for_each_sg(qc->sg, sg, qc->n_elem, si) { dma_addr_t addr = sg_dma_address(sg); u32 sg_len = sg_dma_len(sg); @@ -1193,7 +1300,8 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) u16 flags = 0; unsigned in_index; - if (qc->tf.protocol != ATA_PROT_DMA) + if ((qc->tf.protocol != ATA_PROT_DMA) && + (qc->tf.protocol != ATA_PROT_NCQ)) return; /* Fill in command request block @@ -1202,15 +1310,14 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) flags |= CRQB_FLAG_READ; WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); flags |= qc->tag << CRQB_TAG_SHIFT; - flags |= qc->tag << CRQB_IOID_SHIFT; /* 50xx appears to ignore this*/ /* get current queue index from software */ in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK; pp->crqb[in_index].sg_addr = - cpu_to_le32(pp->sg_tbl_dma & 0xffffffff); + cpu_to_le32(pp->sg_tbl_dma[qc->tag] & 0xffffffff); pp->crqb[in_index].sg_addr_hi = - cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16); + cpu_to_le32((pp->sg_tbl_dma[qc->tag] >> 16) >> 16); pp->crqb[in_index].ctrl_flags = cpu_to_le16(flags); cw = &pp->crqb[in_index].ata_cmd[0]; @@ -1230,13 +1337,11 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) case ATA_CMD_WRITE_FUA_EXT: mv_crqb_pack_cmd(cw++, tf->hob_nsect, ATA_REG_NSECT, 0); break; -#ifdef LIBATA_NCQ /* FIXME: remove this line when NCQ added */ case ATA_CMD_FPDMA_READ: case ATA_CMD_FPDMA_WRITE: mv_crqb_pack_cmd(cw++, tf->hob_feature, ATA_REG_FEATURE, 0); mv_crqb_pack_cmd(cw++, tf->feature, ATA_REG_FEATURE, 0); break; -#endif /* FIXME: remove this line when NCQ added */ default: /* The only other commands EDMA supports in non-queued and * non-NCQ mode are: [RW] STREAM DMA and W DMA FUA EXT, none @@ -1285,7 +1390,8 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) unsigned in_index; u32 flags = 0; - if (qc->tf.protocol != ATA_PROT_DMA) + if ((qc->tf.protocol != ATA_PROT_DMA) && + (qc->tf.protocol != ATA_PROT_NCQ)) return; /* Fill in Gen IIE command request block @@ -1295,15 +1401,14 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); flags |= qc->tag << CRQB_TAG_SHIFT; - flags |= qc->tag << CRQB_IOID_SHIFT; /* "I/O Id" is -really- - what we use as our tag */ + flags |= qc->tag << CRQB_HOSTQ_SHIFT; /* get current queue index from software */ in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK; crqb = (struct mv_crqb_iie *) &pp->crqb[in_index]; - crqb->addr = cpu_to_le32(pp->sg_tbl_dma & 0xffffffff); - crqb->addr_hi = cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16); + crqb->addr = cpu_to_le32(pp->sg_tbl_dma[qc->tag] & 0xffffffff); + crqb->addr_hi = cpu_to_le32((pp->sg_tbl_dma[qc->tag] >> 16) >> 16); crqb->flags = cpu_to_le32(flags); tf = &qc->tf; @@ -1350,10 +1455,10 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; void __iomem *port_mmio = mv_ap_base(ap); struct mv_port_priv *pp = ap->private_data; - struct mv_host_priv *hpriv = ap->host->private_data; u32 in_index; - if (qc->tf.protocol != ATA_PROT_DMA) { + if ((qc->tf.protocol != ATA_PROT_DMA) && + (qc->tf.protocol != ATA_PROT_NCQ)) { /* We're about to send a non-EDMA capable command to the * port. Turn off EDMA so there won't be problems accessing * shadow block, etc registers. @@ -1362,13 +1467,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) return ata_qc_issue_prot(qc); } - mv_start_dma(port_mmio, hpriv, pp); - - in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK; - - /* until we do queuing, the queue should be empty at this point */ - WARN_ON(in_index != ((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) - >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK)); + mv_start_dma(ap, port_mmio, pp, qc->tf.protocol); pp->req_idx++; @@ -1436,6 +1535,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc) ata_ehi_hotplugged(ehi); ata_ehi_push_desc(ehi, edma_err_cause & EDMA_ERR_DEV_DCON ? "dev disconnect" : "dev connect"); + action |= ATA_EH_HARDRESET; } if (IS_GEN_I(hpriv)) { @@ -1464,7 +1564,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc) } /* Clear EDMA now that SERR cleanup done */ - writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); + writelfl(~edma_err_cause, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); if (!err_mask) { err_mask = AC_ERR_OTHER; @@ -1537,23 +1637,17 @@ static void mv_intr_edma(struct ata_port *ap) * support for queueing. this works transparently for * queued and non-queued modes. */ - else if (IS_GEN_II(hpriv)) - tag = (le16_to_cpu(pp->crpb[out_index].id) - >> CRPB_IOID_SHIFT_6) & 0x3f; - - else /* IS_GEN_IIE */ - tag = (le16_to_cpu(pp->crpb[out_index].id) - >> CRPB_IOID_SHIFT_7) & 0x3f; + else + tag = le16_to_cpu(pp->crpb[out_index].id) & 0x1f; qc = ata_qc_from_tag(ap, tag); - /* lower 8 bits of status are EDMA_ERR_IRQ_CAUSE_OFS - * bits (WARNING: might not necessarily be associated - * with this command), which -should- be clear - * if all is well + /* For non-NCQ mode, the lower 8 bits of status + * are from EDMA_ERR_IRQ_CAUSE_OFS, + * which should be zero if all went well. */ status = le16_to_cpu(pp->crpb[out_index].flags); - if (unlikely(status & 0xff)) { + if ((status & 0xff) && !(pp->pp_flags & MV_PP_FLAG_NCQ_EN)) { mv_err_intr(ap, qc); return; } @@ -1597,16 +1691,21 @@ static void mv_intr_edma(struct ata_port *ap) */ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc) { - void __iomem *mmio = host->iomap[MV_PRIMARY_BAR]; + struct mv_host_priv *hpriv = host->private_data; + void __iomem *mmio = hpriv->base; void __iomem *hc_mmio = mv_hc_base(mmio, hc); u32 hc_irq_cause; - int port, port0; + int port, port0, last_port; if (hc == 0) port0 = 0; else port0 = MV_PORTS_PER_HC; + if (HAS_PCI(host)) + last_port = port0 + MV_PORTS_PER_HC; + else + last_port = port0 + hpriv->n_ports; /* we'll need the HC success int register in most cases */ hc_irq_cause = readl(hc_mmio + HC_IRQ_CAUSE_OFS); if (!hc_irq_cause) @@ -1617,7 +1716,7 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc) VPRINTK("ENTER, hc%u relevant=0x%08x HC IRQ cause=0x%08x\n", hc, relevant, hc_irq_cause); - for (port = port0; port < port0 + MV_PORTS_PER_HC; port++) { + for (port = port0; port < port0 + last_port; port++) { struct ata_port *ap = host->ports[port]; struct mv_port_priv *pp = ap->private_data; int have_err_bits, hard_port, shift; @@ -1712,22 +1811,25 @@ static void mv_pci_error(struct ata_host *host, void __iomem *mmio) static irqreturn_t mv_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; + struct mv_host_priv *hpriv = host->private_data; unsigned int hc, handled = 0, n_hcs; - void __iomem *mmio = host->iomap[MV_PRIMARY_BAR]; - u32 irq_stat; + void __iomem *mmio = hpriv->base; + u32 irq_stat, irq_mask; + + spin_lock(&host->lock); - irq_stat = readl(mmio + HC_MAIN_IRQ_CAUSE_OFS); + irq_stat = readl(hpriv->main_cause_reg_addr); + irq_mask = readl(hpriv->main_mask_reg_addr); /* check the cases where we either have nothing pending or have read * a bogus register value which can indicate HW removal or PCI fault */ - if (!irq_stat || (0xffffffffU == irq_stat)) - return IRQ_NONE; + if (!(irq_stat & irq_mask) || (0xffffffffU == irq_stat)) + goto out_unlock; n_hcs = mv_get_hc_count(host->ports[0]->flags); - spin_lock(&host->lock); - if (unlikely(irq_stat & PCI_ERR)) { + if (unlikely((irq_stat & PCI_ERR) && HAS_PCI(host))) { mv_pci_error(host, mmio); handled = 1; goto out_unlock; /* skip all other HC irq handling */ @@ -1774,7 +1876,8 @@ static unsigned int mv5_scr_offset(unsigned int sc_reg_in) static int mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in, u32 *val) { - void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + struct mv_host_priv *hpriv = ap->host->private_data; + void __iomem *mmio = hpriv->base; void __iomem *addr = mv5_phy_base(mmio, ap->port_no); unsigned int ofs = mv5_scr_offset(sc_reg_in); @@ -1787,7 +1890,8 @@ static int mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in, u32 *val) static int mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val) { - void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + struct mv_host_priv *hpriv = ap->host->private_data; + void __iomem *mmio = hpriv->base; void __iomem *addr = mv5_phy_base(mmio, ap->port_no); unsigned int ofs = mv5_scr_offset(sc_reg_in); @@ -1798,8 +1902,9 @@ static int mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val) return -EINVAL; } -static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio) +static void mv5_reset_bus(struct ata_host *host, void __iomem *mmio) { + struct pci_dev *pdev = to_pci_dev(host->dev); int early_5080; early_5080 = (pdev->device == 0x5080) && (pdev->revision == 0); @@ -1810,7 +1915,7 @@ static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio) writel(tmp, mmio + MV_PCI_EXP_ROM_BAR_CTL); } - mv_reset_pci_bus(pdev, mmio); + mv_reset_pci_bus(host, mmio); } static void mv5_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio) @@ -1934,9 +2039,8 @@ static int mv5_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio, #undef ZERO #define ZERO(reg) writel(0, mmio + (reg)) -static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio) +static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio) { - struct ata_host *host = dev_get_drvdata(&pdev->dev); struct mv_host_priv *hpriv = host->private_data; u32 tmp; @@ -2125,6 +2229,93 @@ static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, writel(m2, port_mmio + PHY_MODE2); } +/* TODO: use the generic LED interface to configure the SATA Presence */ +/* & Acitivy LEDs on the board */ +static void mv_soc_enable_leds(struct mv_host_priv *hpriv, + void __iomem *mmio) +{ + return; +} + +static void mv_soc_read_preamp(struct mv_host_priv *hpriv, int idx, + void __iomem *mmio) +{ + void __iomem *port_mmio; + u32 tmp; + + port_mmio = mv_port_base(mmio, idx); + tmp = readl(port_mmio + PHY_MODE2); + + hpriv->signal[idx].amps = tmp & 0x700; /* bits 10:8 */ + hpriv->signal[idx].pre = tmp & 0xe0; /* bits 7:5 */ +} + +#undef ZERO +#define ZERO(reg) writel(0, port_mmio + (reg)) +static void mv_soc_reset_hc_port(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int port) +{ + void __iomem *port_mmio = mv_port_base(mmio, port); + + writelfl(EDMA_DS, port_mmio + EDMA_CMD_OFS); + + mv_channel_reset(hpriv, mmio, port); + + ZERO(0x028); /* command */ + writel(0x101f, port_mmio + EDMA_CFG_OFS); + ZERO(0x004); /* timer */ + ZERO(0x008); /* irq err cause */ + ZERO(0x00c); /* irq err mask */ + ZERO(0x010); /* rq bah */ + ZERO(0x014); /* rq inp */ + ZERO(0x018); /* rq outp */ + ZERO(0x01c); /* respq bah */ + ZERO(0x024); /* respq outp */ + ZERO(0x020); /* respq inp */ + ZERO(0x02c); /* test control */ + writel(0xbc, port_mmio + EDMA_IORDY_TMOUT); +} + +#undef ZERO + +#define ZERO(reg) writel(0, hc_mmio + (reg)) +static void mv_soc_reset_one_hc(struct mv_host_priv *hpriv, + void __iomem *mmio) +{ + void __iomem *hc_mmio = mv_hc_base(mmio, 0); + + ZERO(0x00c); + ZERO(0x010); + ZERO(0x014); + +} + +#undef ZERO + +static int mv_soc_reset_hc(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int n_hc) +{ + unsigned int port; + + for (port = 0; port < hpriv->n_ports; port++) + mv_soc_reset_hc_port(hpriv, mmio, port); + + mv_soc_reset_one_hc(hpriv, mmio); + + return 0; +} + +static void mv_soc_reset_flash(struct mv_host_priv *hpriv, + void __iomem *mmio) +{ + return; +} + +static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio) +{ + return; +} + static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int port_no) { @@ -2289,7 +2480,7 @@ static int mv_hardreset(struct ata_link *link, unsigned int *class, { struct ata_port *ap = link->ap; struct mv_host_priv *hpriv = ap->host->private_data; - void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + void __iomem *mmio = hpriv->base; mv_stop_dma(ap); @@ -2328,14 +2519,9 @@ static void mv_error_handler(struct ata_port *ap) mv_hardreset, mv_postreset); } -static void mv_post_int_cmd(struct ata_queued_cmd *qc) -{ - mv_stop_dma(qc->ap); -} - static void mv_eh_freeze(struct ata_port *ap) { - void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + struct mv_host_priv *hpriv = ap->host->private_data; unsigned int hc = (ap->port_no > 3) ? 1 : 0; u32 tmp, mask; unsigned int shift; @@ -2349,13 +2535,14 @@ static void mv_eh_freeze(struct ata_port *ap) mask = 0x3 << shift; /* disable assertion of portN err, done events */ - tmp = readl(mmio + HC_MAIN_IRQ_MASK_OFS); - writelfl(tmp & ~mask, mmio + HC_MAIN_IRQ_MASK_OFS); + tmp = readl(hpriv->main_mask_reg_addr); + writelfl(tmp & ~mask, hpriv->main_mask_reg_addr); } static void mv_eh_thaw(struct ata_port *ap) { - void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR]; + struct mv_host_priv *hpriv = ap->host->private_data; + void __iomem *mmio = hpriv->base; unsigned int hc = (ap->port_no > 3) ? 1 : 0; void __iomem *hc_mmio = mv_hc_base(mmio, hc); void __iomem *port_mmio = mv_ap_base(ap); @@ -2382,8 +2569,8 @@ static void mv_eh_thaw(struct ata_port *ap) writel(hc_irq_cause, hc_mmio + HC_IRQ_CAUSE_OFS); /* enable assertion of portN err, done events */ - tmp = readl(mmio + HC_MAIN_IRQ_MASK_OFS); - writelfl(tmp | mask, mmio + HC_MAIN_IRQ_MASK_OFS); + tmp = readl(hpriv->main_mask_reg_addr); + writelfl(tmp | mask, hpriv->main_mask_reg_addr); } /** @@ -2426,8 +2613,8 @@ static void mv_port_init(struct ata_ioports *port, void __iomem *port_mmio) writelfl(readl(port_mmio + serr_ofs), port_mmio + serr_ofs); writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); - /* unmask all EDMA error interrupts */ - writelfl(~0, port_mmio + EDMA_ERR_IRQ_MASK_OFS); + /* unmask all non-transient EDMA error interrupts */ + writelfl(~EDMA_ERR_IRQ_TRANSIENT, port_mmio + EDMA_ERR_IRQ_MASK_OFS); VPRINTK("EDMA cfg=0x%08x EDMA IRQ err cause/mask=0x%08x/0x%08x\n", readl(port_mmio + EDMA_CFG_OFS), @@ -2550,9 +2737,13 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) break; } break; + case chip_soc: + hpriv->ops = &mv_soc_ops; + hp_flags |= MV_HP_ERRATA_60X1C0; + break; default: - dev_printk(KERN_ERR, &pdev->dev, + dev_printk(KERN_ERR, host->dev, "BUG: invalid board index %u\n", board_idx); return 1; } @@ -2585,16 +2776,25 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) static int mv_init_host(struct ata_host *host, unsigned int board_idx) { int rc = 0, n_hc, port, hc; - struct pci_dev *pdev = to_pci_dev(host->dev); - void __iomem *mmio = host->iomap[MV_PRIMARY_BAR]; struct mv_host_priv *hpriv = host->private_data; - - /* global interrupt mask */ - writel(0, mmio + HC_MAIN_IRQ_MASK_OFS); + void __iomem *mmio = hpriv->base; rc = mv_chip_id(host, board_idx); if (rc) - goto done; + goto done; + + if (HAS_PCI(host)) { + hpriv->main_cause_reg_addr = hpriv->base + + HC_MAIN_IRQ_CAUSE_OFS; + hpriv->main_mask_reg_addr = hpriv->base + HC_MAIN_IRQ_MASK_OFS; + } else { + hpriv->main_cause_reg_addr = hpriv->base + + HC_SOC_MAIN_IRQ_CAUSE_OFS; + hpriv->main_mask_reg_addr = hpriv->base + + HC_SOC_MAIN_IRQ_MASK_OFS; + } + /* global interrupt mask */ + writel(0, hpriv->main_mask_reg_addr); n_hc = mv_get_hc_count(host->ports[0]->flags); @@ -2606,7 +2806,7 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) goto done; hpriv->ops->reset_flash(hpriv, mmio); - hpriv->ops->reset_bus(pdev, mmio); + hpriv->ops->reset_bus(host, mmio); hpriv->ops->enable_leds(hpriv, mmio); for (port = 0; port < host->n_ports; port++) { @@ -2625,12 +2825,16 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) for (port = 0; port < host->n_ports; port++) { struct ata_port *ap = host->ports[port]; void __iomem *port_mmio = mv_port_base(mmio, port); - unsigned int offset = port_mmio - mmio; mv_port_init(&ap->ioaddr, port_mmio); - ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio"); - ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port"); +#ifdef CONFIG_PCI + if (HAS_PCI(host)) { + unsigned int offset = port_mmio - mmio; + ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio"); + ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port"); + } +#endif } for (hc = 0; hc < n_hc; hc++) { @@ -2645,25 +2849,180 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) writelfl(0, hc_mmio + HC_IRQ_CAUSE_OFS); } - /* Clear any currently outstanding host interrupt conditions */ - writelfl(0, mmio + hpriv->irq_cause_ofs); + if (HAS_PCI(host)) { + /* Clear any currently outstanding host interrupt conditions */ + writelfl(0, mmio + hpriv->irq_cause_ofs); + + /* and unmask interrupt generation for host regs */ + writelfl(hpriv->unmask_all_irqs, mmio + hpriv->irq_mask_ofs); + if (IS_GEN_I(hpriv)) + writelfl(~HC_MAIN_MASKED_IRQS_5, + hpriv->main_mask_reg_addr); + else + writelfl(~HC_MAIN_MASKED_IRQS, + hpriv->main_mask_reg_addr); + + VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x " + "PCI int cause/mask=0x%08x/0x%08x\n", + readl(hpriv->main_cause_reg_addr), + readl(hpriv->main_mask_reg_addr), + readl(mmio + hpriv->irq_cause_ofs), + readl(mmio + hpriv->irq_mask_ofs)); + } else { + writelfl(~HC_MAIN_MASKED_IRQS_SOC, + hpriv->main_mask_reg_addr); + VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x\n", + readl(hpriv->main_cause_reg_addr), + readl(hpriv->main_mask_reg_addr)); + } +done: + return rc; +} - /* and unmask interrupt generation for host regs */ - writelfl(hpriv->unmask_all_irqs, mmio + hpriv->irq_mask_ofs); +/** + * mv_platform_probe - handle a positive probe of an soc Marvell + * host + * @pdev: platform device found + * + * LOCKING: + * Inherited from caller. + */ +static int mv_platform_probe(struct platform_device *pdev) +{ + static int printed_version; + const struct mv_sata_platform_data *mv_platform_data; + const struct ata_port_info *ppi[] = + { &mv_port_info[chip_soc], NULL }; + struct ata_host *host; + struct mv_host_priv *hpriv; + struct resource *res; + int n_ports, rc; - if (IS_GEN_I(hpriv)) - writelfl(~HC_MAIN_MASKED_IRQS_5, mmio + HC_MAIN_IRQ_MASK_OFS); - else - writelfl(~HC_MAIN_MASKED_IRQS, mmio + HC_MAIN_IRQ_MASK_OFS); + if (!printed_version++) + dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); - VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x " - "PCI int cause/mask=0x%08x/0x%08x\n", - readl(mmio + HC_MAIN_IRQ_CAUSE_OFS), - readl(mmio + HC_MAIN_IRQ_MASK_OFS), - readl(mmio + hpriv->irq_cause_ofs), - readl(mmio + hpriv->irq_mask_ofs)); + /* + * Simple resource validation .. + */ + if (unlikely(pdev->num_resources != 2)) { + dev_err(&pdev->dev, "invalid number of resources\n"); + return -EINVAL; + } + + /* + * Get the register base first + */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) + return -EINVAL; + + /* allocate host */ + mv_platform_data = pdev->dev.platform_data; + n_ports = mv_platform_data->n_ports; + + host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); + hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); + + if (!host || !hpriv) + return -ENOMEM; + host->private_data = hpriv; + hpriv->n_ports = n_ports; + + host->iomap = NULL; + hpriv->base = ioremap(res->start, res->end - res->start + 1); + hpriv->base -= MV_SATAHC0_REG_BASE; + + /* initialize adapter */ + rc = mv_init_host(host, chip_soc); + if (rc) + return rc; + + dev_printk(KERN_INFO, &pdev->dev, + "slots %u ports %d\n", (unsigned)MV_MAX_Q_DEPTH, + host->n_ports); + + return ata_host_activate(host, platform_get_irq(pdev, 0), mv_interrupt, + IRQF_SHARED, &mv6_sht); +} + +/* + * + * mv_platform_remove - unplug a platform interface + * @pdev: platform device + * + * A platform bus SATA device has been unplugged. Perform the needed + * cleanup. Also called on module unload for any active devices. + */ +static int __devexit mv_platform_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct ata_host *host = dev_get_drvdata(dev); + struct mv_host_priv *hpriv = host->private_data; + void __iomem *base = hpriv->base; + + ata_host_detach(host); + iounmap(base); + return 0; +} + +static struct platform_driver mv_platform_driver = { + .probe = mv_platform_probe, + .remove = __devexit_p(mv_platform_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + + +#ifdef CONFIG_PCI +static int mv_pci_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent); + + +static struct pci_driver mv_pci_driver = { + .name = DRV_NAME, + .id_table = mv_pci_tbl, + .probe = mv_pci_init_one, + .remove = ata_pci_remove_one, +}; + +/* + * module options + */ +static int msi; /* Use PCI msi; either zero (off, default) or non-zero */ + + +/* move to PCI layer or libata core? */ +static int pci_go_64(struct pci_dev *pdev) +{ + int rc; + + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { + rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (rc) { + rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) { + dev_printk(KERN_ERR, &pdev->dev, + "64-bit DMA enable failed\n"); + return rc; + } + } + } else { + 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; + } + } -done: return rc; } @@ -2709,15 +3068,36 @@ static void mv_print_info(struct ata_host *host) scc_s, (MV_HP_FLAG_MSI & hpriv->hp_flags) ? "MSI" : "INTx"); } +static int mv_create_dma_pools(struct mv_host_priv *hpriv, struct device *dev) +{ + hpriv->crqb_pool = dmam_pool_create("crqb_q", dev, MV_CRQB_Q_SZ, + MV_CRQB_Q_SZ, 0); + if (!hpriv->crqb_pool) + return -ENOMEM; + + hpriv->crpb_pool = dmam_pool_create("crpb_q", dev, MV_CRPB_Q_SZ, + MV_CRPB_Q_SZ, 0); + if (!hpriv->crpb_pool) + return -ENOMEM; + + hpriv->sg_tbl_pool = dmam_pool_create("sg_tbl", dev, MV_SG_TBL_SZ, + MV_SG_TBL_SZ, 0); + if (!hpriv->sg_tbl_pool) + return -ENOMEM; + + return 0; +} + /** - * mv_init_one - handle a positive probe of a Marvell host + * mv_pci_init_one - handle a positive probe of a PCI Marvell host * @pdev: PCI device found * @ent: PCI device ID entry for the matched host * * LOCKING: * Inherited from caller. */ -static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +static int mv_pci_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static int printed_version; unsigned int board_idx = (unsigned int)ent->driver_data; @@ -2737,6 +3117,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (!host || !hpriv) return -ENOMEM; host->private_data = hpriv; + hpriv->n_ports = n_ports; /* acquire resources */ rc = pcim_enable_device(pdev); @@ -2749,11 +3130,16 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) return rc; host->iomap = pcim_iomap_table(pdev); + hpriv->base = host->iomap[MV_PRIMARY_BAR]; rc = pci_go_64(pdev); if (rc) return rc; + rc = mv_create_dma_pools(hpriv, &pdev->dev); + if (rc) + return rc; + /* initialize adapter */ rc = mv_init_host(host, board_idx); if (rc) @@ -2771,15 +3157,34 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return ata_host_activate(host, pdev->irq, mv_interrupt, IRQF_SHARED, IS_GEN_I(hpriv) ? &mv5_sht : &mv6_sht); } +#endif + +static int mv_platform_probe(struct platform_device *pdev); +static int __devexit mv_platform_remove(struct platform_device *pdev); static int __init mv_init(void) { - return pci_register_driver(&mv_pci_driver); + int rc = -ENODEV; +#ifdef CONFIG_PCI + rc = pci_register_driver(&mv_pci_driver); + if (rc < 0) + return rc; +#endif + rc = platform_driver_register(&mv_platform_driver); + +#ifdef CONFIG_PCI + if (rc < 0) + pci_unregister_driver(&mv_pci_driver); +#endif + return rc; } static void __exit mv_exit(void) { +#ifdef CONFIG_PCI pci_unregister_driver(&mv_pci_driver); +#endif + platform_driver_unregister(&mv_platform_driver); } MODULE_AUTHOR("Brett Russ"); @@ -2788,8 +3193,10 @@ MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, mv_pci_tbl); MODULE_VERSION(DRV_VERSION); +#ifdef CONFIG_PCI module_param(msi, int, 0444); MODULE_PARM_DESC(msi, "Enable use of PCI MSI (0=off, 1=on)"); +#endif module_init(mv_init); module_exit(mv_exit); diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index ed5dc7cb50c..ed5473bf7a0 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -247,6 +247,7 @@ struct nv_adma_port_priv { void __iomem *ctl_block; void __iomem *gen_block; void __iomem *notifier_clear_block; + u64 adma_dma_mask; u8 flags; int last_issue_ncq; }; @@ -715,9 +716,10 @@ static int nv_adma_slave_config(struct scsi_device *sdev) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct nv_adma_port_priv *pp = ap->private_data; + struct nv_adma_port_priv *port0, *port1; + struct scsi_device *sdev0, *sdev1; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u64 bounce_limit; - unsigned long segment_boundary; + unsigned long segment_boundary, flags; unsigned short sg_tablesize; int rc; int adma_enable; @@ -729,6 +731,8 @@ static int nv_adma_slave_config(struct scsi_device *sdev) /* Not a proper libata device, ignore */ return rc; + spin_lock_irqsave(ap->lock, flags); + if (ap->link.device[sdev->id].class == ATA_DEV_ATAPI) { /* * NVIDIA reports that ADMA mode does not support ATAPI commands. @@ -737,7 +741,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev) * Restrict DMA parameters as required by the legacy interface * when an ATAPI device is connected. */ - bounce_limit = ATA_DMA_MASK; segment_boundary = ATA_DMA_BOUNDARY; /* Subtract 1 since an extra entry may be needed for padding, see libata-scsi.c */ @@ -748,7 +751,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev) adma_enable = 0; nv_adma_register_mode(ap); } else { - bounce_limit = *ap->dev->dma_mask; segment_boundary = NV_ADMA_DMA_BOUNDARY; sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN; adma_enable = 1; @@ -774,12 +776,49 @@ static int nv_adma_slave_config(struct scsi_device *sdev) 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); + port0 = ap->host->ports[0]->private_data; + port1 = ap->host->ports[1]->private_data; + sdev0 = ap->host->ports[0]->link.device[0].sdev; + sdev1 = ap->host->ports[1]->link.device[0].sdev; + if ((port0->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) || + (port1->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) { + /** We have to set the DMA mask to 32-bit if either port is in + ATAPI mode, since they are on the same PCI device which is + used for DMA mapping. If we set the mask we also need to set + the bounce limit on both ports to ensure that the block + layer doesn't feed addresses that cause DMA mapping to + choke. If either SCSI device is not allocated yet, it's OK + since that port will discover its correct setting when it + does get allocated. + Note: Setting 32-bit mask should not fail. */ + if (sdev0) + blk_queue_bounce_limit(sdev0->request_queue, + ATA_DMA_MASK); + if (sdev1) + blk_queue_bounce_limit(sdev1->request_queue, + ATA_DMA_MASK); + + pci_set_dma_mask(pdev, ATA_DMA_MASK); + } else { + /** This shouldn't fail as it was set to this value before */ + pci_set_dma_mask(pdev, pp->adma_dma_mask); + if (sdev0) + blk_queue_bounce_limit(sdev0->request_queue, + pp->adma_dma_mask); + if (sdev1) + blk_queue_bounce_limit(sdev1->request_queue, + pp->adma_dma_mask); + } + blk_queue_segment_boundary(sdev->request_queue, segment_boundary); blk_queue_max_hw_segments(sdev->request_queue, sg_tablesize); ata_port_printk(ap, KERN_INFO, - "bounce limit 0x%llX, segment boundary 0x%lX, hw segs %hu\n", - (unsigned long long)bounce_limit, segment_boundary, sg_tablesize); + "DMA mask 0x%llX, segment boundary 0x%lX, hw segs %hu\n", + (unsigned long long)*ap->host->dev->dma_mask, + segment_boundary, sg_tablesize); + + spin_unlock_irqrestore(ap->lock, flags); + return rc; } @@ -1011,14 +1050,20 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) } if (status & (NV_ADMA_STAT_DONE | - NV_ADMA_STAT_CPBERR)) { - u32 check_commands; + NV_ADMA_STAT_CPBERR | + NV_ADMA_STAT_CMD_COMPLETE)) { + u32 check_commands = notifier_clears[i]; int pos, error = 0; - if (ata_tag_valid(ap->link.active_tag)) - check_commands = 1 << ap->link.active_tag; - else - check_commands = ap->link.sactive; + if (status & NV_ADMA_STAT_CPBERR) { + /* Check all active commands */ + if (ata_tag_valid(ap->link.active_tag)) + check_commands = 1 << + ap->link.active_tag; + else + check_commands = ap-> + link.sactive; + } /** Check CPBs for completed commands */ while ((pos = ffs(check_commands)) && !error) { @@ -1134,10 +1179,20 @@ static int nv_adma_port_start(struct ata_port *ap) void *mem; dma_addr_t mem_dma; void __iomem *mmio; + struct pci_dev *pdev = to_pci_dev(dev); u16 tmp; VPRINTK("ENTER\n"); + /* Ensure DMA mask is set to 32-bit before allocating legacy PRD and + pad buffers */ + rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc) + return rc; + rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc) + return rc; + rc = ata_port_start(ap); if (rc) return rc; @@ -1153,6 +1208,15 @@ static int nv_adma_port_start(struct ata_port *ap) pp->notifier_clear_block = pp->gen_block + NV_ADMA_NOTIFIER_CLEAR + (4 * ap->port_no); + /* Now that the legacy PRD and padding buffer are allocated we can + safely raise the DMA mask to allocate the CPB/APRD table. + These are allowed to fail since we store the value that ends up + being used to set as the bounce limit in slave_config later if + needed. */ + pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + pp->adma_dma_mask = *dev->dma_mask; + mem = dmam_alloc_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL); if (!mem) @@ -1336,21 +1400,18 @@ static void nv_adma_fill_aprd(struct ata_queued_cmd *qc, static void nv_adma_fill_sg(struct ata_queued_cmd *qc, struct nv_adma_cpb *cpb) { struct nv_adma_port_priv *pp = qc->ap->private_data; - unsigned int idx; struct nv_adma_prd *aprd; struct scatterlist *sg; + unsigned int si; VPRINTK("ENTER\n"); - idx = 0; - - ata_for_each_sg(sg, qc) { - aprd = (idx < 5) ? &cpb->aprd[idx] : - &pp->aprd[NV_ADMA_SGTBL_LEN * qc->tag + (idx-5)]; - nv_adma_fill_aprd(qc, sg, idx, aprd); - idx++; + for_each_sg(qc->sg, sg, qc->n_elem, si) { + aprd = (si < 5) ? &cpb->aprd[si] : + &pp->aprd[NV_ADMA_SGTBL_LEN * qc->tag + (si-5)]; + nv_adma_fill_aprd(qc, sg, si, aprd); } - if (idx > 5) + if (si > 5) cpb->next_aprd = cpu_to_le64(((u64)(pp->aprd_dma + NV_ADMA_SGTBL_SZ * qc->tag))); else cpb->next_aprd = cpu_to_le64(0); @@ -1995,17 +2056,14 @@ static void nv_swncq_fill_sg(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct scatterlist *sg; - unsigned int idx; struct nv_swncq_port_priv *pp = ap->private_data; struct ata_prd *prd; - - WARN_ON(qc->__sg == NULL); - WARN_ON(qc->n_elem == 0 && qc->pad_len == 0); + unsigned int si, idx; prd = pp->prd + ATA_MAX_PRD * qc->tag; idx = 0; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { u32 addr, offset; u32 sg_len, len; @@ -2027,8 +2085,7 @@ static void nv_swncq_fill_sg(struct ata_queued_cmd *qc) } } - if (idx) - prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); + prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } static unsigned int nv_swncq_issue_atacmd(struct ata_port *ap, @@ -2418,12 +2475,6 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) hpriv->type = type; host->private_data = hpriv; - /* set 64bit dma masks, may fail */ - if (type == ADMA) { - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) - pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); - } - /* request and iomap NV_MMIO_BAR */ rc = pcim_iomap_regions(pdev, 1 << NV_MMIO_BAR, DRV_NAME); if (rc) diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 7914def54fa..a07d319f6e8 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -450,19 +450,19 @@ static void pdc_atapi_pkt(struct ata_queued_cmd *qc) struct pdc_port_priv *pp = ap->private_data; u8 *buf = pp->pkt; u32 *buf32 = (u32 *) buf; - unsigned int dev_sel, feature, nbytes; + unsigned int dev_sel, feature; /* 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: + case ATAPI_PROT_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: + case ATAPI_PROT_NODATA: buf32[0] = cpu_to_le32(PDC_PKT_NODATA); break; default: @@ -473,45 +473,37 @@ static void pdc_atapi_pkt(struct ata_queued_cmd *qc) buf32[2] = 0; /* no next-packet */ /* select drive */ - if (sata_scr_valid(&ap->link)) { + if (sata_scr_valid(&ap->link)) dev_sel = PDC_DEVICE_SATA; - } else { - dev_sel = ATA_DEVICE_OBS; - if (qc->dev->devno != 0) - dev_sel |= ATA_DEV1; - } + else + dev_sel = qc->tf.device; + 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[17] = qc->tf.nsect; buf[18] = (1 << 5) | ATA_REG_LBAL; - buf[19] = 0x00; + buf[19] = qc->tf.lbal; /* set feature and byte counter registers */ - if (qc->tf.protocol != ATA_PROT_ATAPI_DMA) { + if (qc->tf.protocol != ATAPI_PROT_DMA) feature = PDC_FEATURE_ATAPI_PIO; - /* set byte counter register to real transfer byte count */ - nbytes = qc->nbytes; - if (nbytes > 0xffff) - nbytes = 0xffff; - } else { + 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[23] = qc->tf.lbam; buf[24] = (1 << 5) | ATA_REG_BYTEH; - buf[25] = (nbytes >> 8) & 0xFF; + buf[25] = qc->tf.lbah; /* send ATAPI packet command 0xA0 */ buf[26] = (1 << 5) | ATA_REG_CMD; - buf[27] = ATA_CMD_PACKET; + buf[27] = qc->tf.command; /* select drive and check DRQ */ buf[28] = (1 << 5) | ATA_REG_DEVICE | PDC_PKT_WAIT_DRDY; @@ -541,17 +533,15 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct scatterlist *sg; - unsigned int idx; const u32 SG_COUNT_ASIC_BUG = 41*4; + unsigned int si, idx; + u32 len; if (!(qc->flags & ATA_QCFLAG_DMAMAP)) return; - WARN_ON(qc->__sg == NULL); - WARN_ON(qc->n_elem == 0 && qc->pad_len == 0); - idx = 0; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { u32 addr, offset; u32 sg_len, len; @@ -578,29 +568,27 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc) } } - if (idx) { - u32 len = le32_to_cpu(ap->prd[idx - 1].flags_len); + len = le32_to_cpu(ap->prd[idx - 1].flags_len); - if (len > SG_COUNT_ASIC_BUG) { - u32 addr; + if (len > SG_COUNT_ASIC_BUG) { + u32 addr; - VPRINTK("Splitting last PRD.\n"); + VPRINTK("Splitting last PRD.\n"); - addr = le32_to_cpu(ap->prd[idx - 1].addr); - ap->prd[idx - 1].flags_len = cpu_to_le32(len - SG_COUNT_ASIC_BUG); - VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx - 1, addr, SG_COUNT_ASIC_BUG); + addr = le32_to_cpu(ap->prd[idx - 1].addr); + ap->prd[idx - 1].flags_len = cpu_to_le32(len - SG_COUNT_ASIC_BUG); + VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx - 1, addr, SG_COUNT_ASIC_BUG); - addr = addr + len - SG_COUNT_ASIC_BUG; - len = SG_COUNT_ASIC_BUG; - ap->prd[idx].addr = cpu_to_le32(addr); - ap->prd[idx].flags_len = cpu_to_le32(len); - VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len); + addr = addr + len - SG_COUNT_ASIC_BUG; + len = SG_COUNT_ASIC_BUG; + ap->prd[idx].addr = cpu_to_le32(addr); + ap->prd[idx].flags_len = cpu_to_le32(len); + VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", idx, addr, len); - idx++; - } - - ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); + idx++; } + + ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT); } static void pdc_qc_prep(struct ata_queued_cmd *qc) @@ -627,14 +615,14 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc) pdc_pkt_footer(&qc->tf, pp->pkt, i); break; - case ATA_PROT_ATAPI: + case ATAPI_PROT_PIO: pdc_fill_sg(qc); break; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: pdc_fill_sg(qc); /*FALLTHROUGH*/ - case ATA_PROT_ATAPI_NODATA: + case ATAPI_PROT_NODATA: pdc_atapi_pkt(qc); break; @@ -754,8 +742,8 @@ 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: + case ATAPI_PROT_DMA: + case ATAPI_PROT_NODATA: qc->err_mask |= ac_err_mask(ata_wait_idle(ap)); ata_qc_complete(qc); handled = 1; @@ -900,7 +888,7 @@ static inline void pdc_packet_start(struct ata_queued_cmd *qc) static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) { switch (qc->tf.protocol) { - case ATA_PROT_ATAPI_NODATA: + case ATAPI_PROT_NODATA: if (qc->dev->flags & ATA_DFLAG_CDB_INTR) break; /*FALLTHROUGH*/ @@ -908,7 +896,7 @@ static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) if (qc->tf.flags & ATA_TFLAG_POLLING) break; /*FALLTHROUGH*/ - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: case ATA_PROT_DMA: pdc_packet_start(qc); return 0; @@ -922,16 +910,14 @@ static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc) static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) { - WARN_ON(tf->protocol == ATA_PROT_DMA || - tf->protocol == ATA_PROT_ATAPI_DMA); + WARN_ON(tf->protocol == ATA_PROT_DMA || tf->protocol == ATAPI_PROT_DMA); ata_tf_load(ap, tf); } static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf) { - WARN_ON(tf->protocol == ATA_PROT_DMA || - tf->protocol == ATA_PROT_ATAPI_DMA); + WARN_ON(tf->protocol == ATA_PROT_DMA || tf->protocol == ATAPI_PROT_DMA); ata_exec_command(ap, tf); } diff --git a/drivers/ata/sata_promise.h b/drivers/ata/sata_promise.h index 6ee5e190262..00d6000e546 100644 --- a/drivers/ata/sata_promise.h +++ b/drivers/ata/sata_promise.h @@ -46,7 +46,7 @@ static inline unsigned int pdc_pkt_header(struct ata_taskfile *tf, unsigned int devno, u8 *buf) { u8 dev_reg; - u32 *buf32 = (u32 *) buf; + __le32 *buf32 = (__le32 *) buf; /* set control bits (byte 0), zero delay seq id (byte 3), * and seq id (byte 2) diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index 2f1de6ec044..91cc12c8204 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -270,7 +270,7 @@ static int qs_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) static void qs_error_handler(struct ata_port *ap) { qs_enter_reg_mode(ap); - ata_do_eh(ap, qs_prereset, ata_std_softreset, NULL, + ata_do_eh(ap, qs_prereset, NULL, sata_std_hardreset, ata_std_postreset); } @@ -287,14 +287,10 @@ static unsigned int qs_fill_sg(struct ata_queued_cmd *qc) struct scatterlist *sg; struct ata_port *ap = qc->ap; struct qs_port_priv *pp = ap->private_data; - unsigned int nelem; u8 *prd = pp->pkt + QS_CPB_BYTES; + unsigned int si; - WARN_ON(qc->__sg == NULL); - WARN_ON(qc->n_elem == 0 && qc->pad_len == 0); - - nelem = 0; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { u64 addr; u32 len; @@ -306,12 +302,11 @@ static unsigned int qs_fill_sg(struct ata_queued_cmd *qc) *(__le32 *)prd = cpu_to_le32(len); prd += sizeof(u64); - VPRINTK("PRD[%u] = (0x%llX, 0x%X)\n", nelem, + VPRINTK("PRD[%u] = (0x%llX, 0x%X)\n", si, (unsigned long long)addr, len); - nelem++; } - return nelem; + return si; } static void qs_qc_prep(struct ata_queued_cmd *qc) @@ -376,7 +371,7 @@ static unsigned int qs_qc_issue(struct ata_queued_cmd *qc) qs_packet_start(qc); return 0; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: BUG(); break; diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index f5119bf40c2..0b8191b52f9 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -416,15 +416,14 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) */ /* Check the ATA_DFLAG_CDB_INTR flag is enough here. - * The flag was turned on only for atapi devices. - * No need to check is_atapi_taskfile(&qc->tf) again. + * The flag was turned on only for atapi devices. No + * need to check ata_is_atapi(qc->tf.protocol) again. */ if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) goto err_hsm; break; case HSM_ST_LAST: - if (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATA_PROT_ATAPI_DMA) { + if (ata_is_dma(qc->tf.protocol)) { /* clear DMA-Start bit */ ap->ops->bmdma_stop(qc); @@ -451,8 +450,7 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) /* kick HSM in the ass */ ata_hsm_move(ap, qc, status, 0); - if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA || - qc->tf.protocol == ATA_PROT_ATAPI_DMA)) + if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol)) ata_ehi_push_desc(ehi, "BMDMA2 stat 0x%x", bmdma2); return; diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 96fd5260446..b4b1f91ea69 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -301,7 +301,7 @@ static struct sil24_cerr_info { [PORT_CERR_PKT_PROT] = { AC_ERR_HSM, ATA_EH_SOFTRESET, "invalid data directon for ATAPI CDB" }, [PORT_CERR_SGT_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_SOFTRESET, - "SGT no on qword boundary" }, + "SGT not on qword boundary" }, [PORT_CERR_SGT_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, "PCI target abort while fetching SGT" }, [PORT_CERR_SGT_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, @@ -813,8 +813,9 @@ static inline void sil24_fill_sg(struct ata_queued_cmd *qc, { struct scatterlist *sg; struct sil24_sge *last_sge = NULL; + unsigned int si; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { sge->addr = cpu_to_le64(sg_dma_address(sg)); sge->cnt = cpu_to_le32(sg_dma_len(sg)); sge->flags = 0; @@ -823,8 +824,7 @@ static inline void sil24_fill_sg(struct ata_queued_cmd *qc, sge++; } - if (likely(last_sge)) - last_sge->flags = cpu_to_le32(SGE_TRM); + last_sge->flags = cpu_to_le32(SGE_TRM); } static int sil24_qc_defer(struct ata_queued_cmd *qc) @@ -832,16 +832,29 @@ static int sil24_qc_defer(struct ata_queued_cmd *qc) struct ata_link *link = qc->dev->link; struct ata_port *ap = link->ap; u8 prot = qc->tf.protocol; - int is_atapi = (prot == ATA_PROT_ATAPI || - prot == ATA_PROT_ATAPI_NODATA || - prot == ATA_PROT_ATAPI_DMA); - - /* ATAPI commands completing with CHECK_SENSE cause various - * weird problems if other commands are active. PMP DMA CS - * errata doesn't cover all and HSM violation occurs even with - * only one other device active. Always run an ATAPI command - * by itself. - */ + + /* + * There is a bug in the chip: + * Port LRAM Causes the PRB/SGT Data to be Corrupted + * If the host issues a read request for LRAM and SActive registers + * while active commands are available in the port, PRB/SGT data in + * the LRAM can become corrupted. This issue applies only when + * reading from, but not writing to, the LRAM. + * + * Therefore, reading LRAM when there is no particular error [and + * other commands may be outstanding] is prohibited. + * + * To avoid this bug there are two situations where a command must run + * exclusive of any other commands on the port: + * + * - ATAPI commands which check the sense data + * - Passthrough ATA commands which always have ATA_QCFLAG_RESULT_TF + * set. + * + */ + int is_excl = (ata_is_atapi(prot) || + (qc->flags & ATA_QCFLAG_RESULT_TF)); + if (unlikely(ap->excl_link)) { if (link == ap->excl_link) { if (ap->nr_active_links) @@ -849,7 +862,7 @@ static int sil24_qc_defer(struct ata_queued_cmd *qc) qc->flags |= ATA_QCFLAG_CLEAR_EXCL; } else return ATA_DEFER_PORT; - } else if (unlikely(is_atapi)) { + } else if (unlikely(is_excl)) { ap->excl_link = link; if (ap->nr_active_links) return ATA_DEFER_PORT; @@ -870,35 +883,21 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc) cb = &pp->cmd_block[sil24_tag(qc->tag)]; - switch (qc->tf.protocol) { - case ATA_PROT_PIO: - case ATA_PROT_DMA: - case ATA_PROT_NCQ: - case ATA_PROT_NODATA: + if (!ata_is_atapi(qc->tf.protocol)) { prb = &cb->ata.prb; sge = cb->ata.sge; - break; - - case ATA_PROT_ATAPI: - case ATA_PROT_ATAPI_DMA: - case ATA_PROT_ATAPI_NODATA: + } else { prb = &cb->atapi.prb; sge = cb->atapi.sge; memset(cb->atapi.cdb, 0, 32); memcpy(cb->atapi.cdb, qc->cdb, qc->dev->cdb_len); - if (qc->tf.protocol != ATA_PROT_ATAPI_NODATA) { + if (ata_is_data(qc->tf.protocol)) { if (qc->tf.flags & ATA_TFLAG_WRITE) ctrl = PRB_CTRL_PACKET_WRITE; else ctrl = PRB_CTRL_PACKET_READ; } - break; - - default: - prb = NULL; /* shut up, gcc */ - sge = NULL; - BUG(); } prb->ctrl = cpu_to_le16(ctrl); @@ -1079,10 +1078,13 @@ static void sil24_error_intr(struct ata_port *ap) if (ci && ci->desc) { err_mask |= ci->err_mask; action |= ci->action; + if (action & ATA_EH_RESET_MASK) + freeze = 1; ata_ehi_push_desc(ehi, "%s", ci->desc); } else { err_mask |= AC_ERR_OTHER; action |= ATA_EH_SOFTRESET; + freeze = 1; ata_ehi_push_desc(ehi, "unknown command error %d", cerr); } diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 4d857185f33..e3d56bc6726 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -334,7 +334,7 @@ static inline void pdc20621_ata_sg(struct ata_taskfile *tf, u8 *buf, { u32 addr; unsigned int dw = PDC_DIMM_APKT_PRD >> 2; - u32 *buf32 = (u32 *) buf; + __le32 *buf32 = (__le32 *) buf; /* output ATA packet S/G table */ addr = PDC_20621_DIMM_BASE + PDC_20621_DIMM_DATA + @@ -356,7 +356,7 @@ static inline void pdc20621_host_sg(struct ata_taskfile *tf, u8 *buf, { u32 addr; unsigned int dw = PDC_DIMM_HPKT_PRD >> 2; - u32 *buf32 = (u32 *) buf; + __le32 *buf32 = (__le32 *) buf; /* output Host DMA packet S/G table */ addr = PDC_20621_DIMM_BASE + PDC_20621_DIMM_DATA + @@ -377,7 +377,7 @@ static inline unsigned int pdc20621_ata_pkt(struct ata_taskfile *tf, unsigned int portno) { unsigned int i, dw; - u32 *buf32 = (u32 *) buf; + __le32 *buf32 = (__le32 *) buf; u8 dev_reg; unsigned int dimm_sg = PDC_20621_DIMM_BASE + @@ -429,7 +429,8 @@ static inline void pdc20621_host_pkt(struct ata_taskfile *tf, u8 *buf, unsigned int portno) { unsigned int dw; - u32 tmp, *buf32 = (u32 *) buf; + u32 tmp; + __le32 *buf32 = (__le32 *) buf; unsigned int host_sg = PDC_20621_DIMM_BASE + (PDC_DIMM_WINDOW_STEP * portno) + @@ -473,7 +474,7 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc) 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; + unsigned int i, si, idx, total_len = 0, sgt_len; u32 *buf = (u32 *) &pp->dimm_buf[PDC_DIMM_HEADER_SZ]; WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP)); @@ -487,7 +488,7 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc) * Build S/G table */ idx = 0; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { buf[idx++] = cpu_to_le32(sg_dma_address(sg)); buf[idx++] = cpu_to_le32(sg_dma_len(sg)); total_len += sg_dma_len(sg); @@ -700,7 +701,7 @@ static unsigned int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc) pdc20621_packet_start(qc); return 0; - case ATA_PROT_ATAPI_DMA: + case ATAPI_PROT_DMA: BUG(); break; diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 3ef072ff319..30caa033719 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -30,8 +30,6 @@ * Hardware documentation available under NDA. * * - * To-do list: - * - VT6421 PATA support * */ |