diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 14:01:36 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 14:01:36 -0800 |
commit | a419df8a0ff01b6694cebc8885778f854165d17d (patch) | |
tree | 240f4b0a5af19207080da8e09bb6aacc42a8575a | |
parent | 33b04b9308959af7febc1c111c766fa3fd8b1934 (diff) | |
parent | 0fe40ff891faa940e539bd5a92c4a5dd9ae49b0b (diff) |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: clean up the SFF code for coding style
libata: Add 32bit PIO support
[libata] ahci: Withdraw IGN_SERR_INTERNAL for SB800 SATA
pata_hpt366: reimplement mode programming
[libata] pata_hpt3x3: correct _freeze() function declaration
libata: Add special ata_pio_need_iordy() handling for Compact Flash.
pata_platform: __pata_platform_remove() shouldn't be in discard section
sata_sil24: remove unused sil24_port_multiplier
[libata] ahci: Add SATA GEN3 related messages
ata_piix: save, use saved and restore IOCFG
pata_ali: Fix and workaround for FIFO DMA bug
pata_ali: force initialise a few bits
pata_hpt3x3: Workarounds for chipset
-rw-r--r-- | drivers/ata/ahci.c | 10 | ||||
-rw-r--r-- | drivers/ata/ata_piix.c | 51 | ||||
-rw-r--r-- | drivers/ata/libata-core.c | 5 | ||||
-rw-r--r-- | drivers/ata/libata-sff.c | 185 | ||||
-rw-r--r-- | drivers/ata/pata_ali.c | 107 | ||||
-rw-r--r-- | drivers/ata/pata_amd.c | 4 | ||||
-rw-r--r-- | drivers/ata/pata_hpt366.c | 109 | ||||
-rw-r--r-- | drivers/ata/pata_hpt3x3.c | 49 | ||||
-rw-r--r-- | drivers/ata/pata_mpiix.c | 3 | ||||
-rw-r--r-- | drivers/ata/pata_platform.c | 2 | ||||
-rw-r--r-- | drivers/ata/pata_sil680.c | 4 | ||||
-rw-r--r-- | drivers/ata/sata_sil24.c | 7 | ||||
-rw-r--r-- | include/linux/libata.h | 3 |
13 files changed, 336 insertions, 203 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 656448c7fef..7f701cbe14a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -105,7 +105,7 @@ enum { board_ahci_ign_iferr = 2, board_ahci_sb600 = 3, board_ahci_mv = 4, - board_ahci_sb700 = 5, + board_ahci_sb700 = 5, /* for SB700 and SB800 */ board_ahci_mcp65 = 6, board_ahci_nopmp = 7, @@ -439,7 +439,7 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, - /* board_ahci_sb700 */ + /* board_ahci_sb700, for SB700 and SB800 */ { AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL), .flags = AHCI_FLAG_COMMON, @@ -2446,6 +2446,8 @@ static void ahci_print_info(struct ata_host *host) speed_s = "1.5"; else if (speed == 2) speed_s = "3"; + else if (speed == 3) + speed_s = "6"; else speed_s = "?"; @@ -2610,6 +2612,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) (pdev->revision == 0xa1 || pdev->revision == 0xa2)) hpriv->flags |= AHCI_HFLAG_NO_MSI; + /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */ + if (board_id == board_ahci_sb700 && pdev->revision >= 0x40) + hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL; + if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev)) pci_intx(pdev, 1); diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 5fdf1678d0c..887d8f46a28 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -154,11 +154,13 @@ struct piix_map_db { struct piix_host_priv { const int *map; + u32 saved_iocfg; void __iomem *sidpr; }; static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); +static void piix_remove_one(struct pci_dev *pdev); static int piix_pata_prereset(struct ata_link *link, unsigned long deadline); 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); @@ -296,7 +298,7 @@ static struct pci_driver piix_pci_driver = { .name = DRV_NAME, .id_table = piix_pci_tbl, .probe = piix_init_one, - .remove = ata_pci_remove_one, + .remove = piix_remove_one, #ifdef CONFIG_PM .suspend = piix_pci_device_suspend, .resume = piix_pci_device_resume, @@ -308,7 +310,7 @@ static struct scsi_host_template piix_sht = { }; static struct ata_port_operations piix_pata_ops = { - .inherits = &ata_bmdma_port_ops, + .inherits = &ata_bmdma32_port_ops, .cable_detect = ata_cable_40wire, .set_piomode = piix_set_piomode, .set_dmamode = piix_set_dmamode, @@ -610,8 +612,9 @@ static const struct ich_laptop ich_laptop[] = { static int ich_pata_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); + struct piix_host_priv *hpriv = ap->host->private_data; const struct ich_laptop *lap = &ich_laptop[0]; - u8 tmp, mask; + u8 mask; /* Check for specials - Acer Aspire 5602WLMi */ while (lap->device) { @@ -625,8 +628,7 @@ static int ich_pata_cable_detect(struct ata_port *ap) /* check BIOS cable detect results */ mask = ap->port_no == 0 ? PIIX_80C_PRI : PIIX_80C_SEC; - pci_read_config_byte(pdev, PIIX_IOCFG, &tmp); - if ((tmp & mask) == 0) + if ((hpriv->saved_iocfg & mask) == 0) return ATA_CBL_PATA40; return ATA_CBL_PATA80; } @@ -1350,7 +1352,7 @@ static int __devinit piix_init_sidpr(struct ata_host *host) return 0; } -static void piix_iocfg_bit18_quirk(struct pci_dev *pdev) +static void piix_iocfg_bit18_quirk(struct ata_host *host) { static const struct dmi_system_id sysids[] = { { @@ -1367,7 +1369,8 @@ static void piix_iocfg_bit18_quirk(struct pci_dev *pdev) { } /* terminate list */ }; - u32 iocfg; + struct pci_dev *pdev = to_pci_dev(host->dev); + struct piix_host_priv *hpriv = host->private_data; if (!dmi_check_system(sysids)) return; @@ -1376,12 +1379,11 @@ static void piix_iocfg_bit18_quirk(struct pci_dev *pdev) * seem to use it to disable a channel. Clear the bit on the * affected systems. */ - pci_read_config_dword(pdev, PIIX_IOCFG, &iocfg); - if (iocfg & (1 << 18)) { + if (hpriv->saved_iocfg & (1 << 18)) { dev_printk(KERN_INFO, &pdev->dev, "applying IOCFG bit18 quirk\n"); - iocfg &= ~(1 << 18); - pci_write_config_dword(pdev, PIIX_IOCFG, iocfg); + pci_write_config_dword(pdev, PIIX_IOCFG, + hpriv->saved_iocfg & ~(1 << 18)); } } @@ -1430,6 +1432,17 @@ static int __devinit piix_init_one(struct pci_dev *pdev, if (rc) return rc; + hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; + + /* Save IOCFG, this will be used for cable detection, quirk + * detection and restoration on detach. This is necessary + * because some ACPI implementations mess up cable related + * bits on _STM. Reported on kernel bz#11879. + */ + pci_read_config_dword(pdev, PIIX_IOCFG, &hpriv->saved_iocfg); + /* ICH6R may be driven by either ata_piix or ahci driver * regardless of BIOS configuration. Make sure AHCI mode is * off. @@ -1441,10 +1454,6 @@ static int __devinit piix_init_one(struct pci_dev *pdev, } /* SATA map init can change port_info, do it before prepping host */ - hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); - if (!hpriv) - return -ENOMEM; - if (port_flags & ATA_FLAG_SATA) hpriv->map = piix_init_sata_map(pdev, port_info, piix_map_db_table[ent->driver_data]); @@ -1463,7 +1472,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, } /* apply IOCFG bit18 quirk */ - piix_iocfg_bit18_quirk(pdev); + piix_iocfg_bit18_quirk(host); /* On ICH5, some BIOSen disable the interrupt using the * PCI_COMMAND_INTX_DISABLE bit added in PCI 2.3. @@ -1488,6 +1497,16 @@ static int __devinit piix_init_one(struct pci_dev *pdev, return ata_pci_sff_activate_host(host, ata_sff_interrupt, &piix_sht); } +static void piix_remove_one(struct pci_dev *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + struct piix_host_priv *hpriv = host->private_data; + + pci_write_config_dword(pdev, PIIX_IOCFG, hpriv->saved_iocfg); + + ata_pci_remove_one(pdev); +} + static int __init piix_init(void) { int rc; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f178a450ec0..175df54eb66 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1007,6 +1007,7 @@ static const char *sata_spd_string(unsigned int spd) static const char * const spd_str[] = { "1.5 Gbps", "3.0 Gbps", + "6.0 Gbps", }; if (spd == 0 || (spd - 1) >= ARRAY_SIZE(spd_str)) @@ -2000,6 +2001,10 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) as the caller should know this */ if (adev->link->ap->flags & ATA_FLAG_NO_IORDY) return 0; + /* CF spec. r4.1 Table 22 says no iordy on PIO5 and PIO6. */ + if (ata_id_is_cfa(adev->id) + && (adev->pio_mode == XFER_PIO_5 || adev->pio_mode == XFER_PIO_6)) + return 0; /* PIO3 and higher it is mandatory */ if (adev->pio_mode > XFER_PIO_2) return 1; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 9033d164c4e..c59ad76c84b 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -66,6 +66,7 @@ const struct ata_port_operations ata_sff_port_ops = { .port_start = ata_sff_port_start, }; +EXPORT_SYMBOL_GPL(ata_sff_port_ops); const struct ata_port_operations ata_bmdma_port_ops = { .inherits = &ata_sff_port_ops, @@ -77,6 +78,14 @@ const struct ata_port_operations ata_bmdma_port_ops = { .bmdma_stop = ata_bmdma_stop, .bmdma_status = ata_bmdma_status, }; +EXPORT_SYMBOL_GPL(ata_bmdma_port_ops); + +const struct ata_port_operations ata_bmdma32_port_ops = { + .inherits = &ata_bmdma_port_ops, + + .sff_data_xfer = ata_sff_data_xfer32, +}; +EXPORT_SYMBOL_GPL(ata_bmdma32_port_ops); /** * ata_fill_sg - Fill PCI IDE PRD table @@ -166,8 +175,9 @@ static void ata_fill_sg_dumb(struct ata_queued_cmd *qc) blen = len & 0xffff; 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 */ + /* Some PATA chipsets like the CS5530 can't + cope with 0x0000 meaning 64K as the spec + says */ ap->prd[pi].flags_len = cpu_to_le32(0x8000); blen = 0x8000; ap->prd[++pi].addr = cpu_to_le32(addr + 0x8000); @@ -200,6 +210,7 @@ void ata_sff_qc_prep(struct ata_queued_cmd *qc) ata_fill_sg(qc); } +EXPORT_SYMBOL_GPL(ata_sff_qc_prep); /** * ata_sff_dumb_qc_prep - Prepare taskfile for submission @@ -217,6 +228,7 @@ void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc) ata_fill_sg_dumb(qc); } +EXPORT_SYMBOL_GPL(ata_sff_dumb_qc_prep); /** * ata_sff_check_status - Read device status reg & clear interrupt @@ -233,6 +245,7 @@ u8 ata_sff_check_status(struct ata_port *ap) { return ioread8(ap->ioaddr.status_addr); } +EXPORT_SYMBOL_GPL(ata_sff_check_status); /** * ata_sff_altstatus - Read device alternate status reg @@ -275,7 +288,7 @@ static u8 ata_sff_irq_status(struct ata_port *ap) status = ata_sff_altstatus(ap); /* Not us: We are busy */ if (status & ATA_BUSY) - return status; + return status; } /* Clear INTRQ latch */ status = ap->ops->sff_check_status(ap); @@ -319,6 +332,7 @@ void ata_sff_pause(struct ata_port *ap) ata_sff_sync(ap); ndelay(400); } +EXPORT_SYMBOL_GPL(ata_sff_pause); /** * ata_sff_dma_pause - Pause before commencing DMA @@ -327,7 +341,7 @@ void ata_sff_pause(struct ata_port *ap) * Perform I/O fencing and ensure sufficient cycle delays occur * for the HDMA1:0 transition */ - + void ata_sff_dma_pause(struct ata_port *ap) { if (ap->ops->sff_check_altstatus || ap->ioaddr.altstatus_addr) { @@ -341,6 +355,7 @@ void ata_sff_dma_pause(struct ata_port *ap) corruption. */ BUG(); } +EXPORT_SYMBOL_GPL(ata_sff_dma_pause); /** * ata_sff_busy_sleep - sleep until BSY clears, or timeout @@ -396,6 +411,7 @@ int ata_sff_busy_sleep(struct ata_port *ap, return 0; } +EXPORT_SYMBOL_GPL(ata_sff_busy_sleep); static int ata_sff_check_ready(struct ata_link *link) { @@ -422,6 +438,7 @@ int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline) { return ata_wait_ready(link, deadline, ata_sff_check_ready); } +EXPORT_SYMBOL_GPL(ata_sff_wait_ready); /** * ata_sff_dev_select - Select device 0/1 on ATA bus @@ -449,6 +466,7 @@ void ata_sff_dev_select(struct ata_port *ap, unsigned int device) iowrite8(tmp, ap->ioaddr.device_addr); ata_sff_pause(ap); /* needed; also flushes, for mmio */ } +EXPORT_SYMBOL_GPL(ata_sff_dev_select); /** * ata_dev_select - Select device 0/1 on ATA bus @@ -513,6 +531,7 @@ u8 ata_sff_irq_on(struct ata_port *ap) return tmp; } +EXPORT_SYMBOL_GPL(ata_sff_irq_on); /** * ata_sff_irq_clear - Clear PCI IDE BMDMA interrupt. @@ -534,6 +553,7 @@ void ata_sff_irq_clear(struct ata_port *ap) iowrite8(ioread8(mmio + ATA_DMA_STATUS), mmio + ATA_DMA_STATUS); } +EXPORT_SYMBOL_GPL(ata_sff_irq_clear); /** * ata_sff_tf_load - send taskfile registers to host controller @@ -593,6 +613,7 @@ void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) ata_wait_idle(ap); } +EXPORT_SYMBOL_GPL(ata_sff_tf_load); /** * ata_sff_tf_read - input device's ATA taskfile shadow registers @@ -633,6 +654,7 @@ void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf) WARN_ON(1); } } +EXPORT_SYMBOL_GPL(ata_sff_tf_read); /** * ata_sff_exec_command - issue ATA command to host controller @@ -652,6 +674,7 @@ void ata_sff_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) iowrite8(tf->command, ap->ioaddr.command_addr); ata_sff_pause(ap); } +EXPORT_SYMBOL_GPL(ata_sff_exec_command); /** * ata_tf_to_host - issue ATA taskfile to host controller @@ -717,6 +740,53 @@ unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf, return words << 1; } +EXPORT_SYMBOL_GPL(ata_sff_data_xfer); + +/** + * ata_sff_data_xfer32 - Transfer data by PIO + * @dev: device to target + * @buf: data buffer + * @buflen: buffer length + * @rw: read/write + * + * Transfer data from/to the device data register by PIO using 32bit + * I/O operations. + * + * LOCKING: + * Inherited from caller. + * + * RETURNS: + * Bytes consumed. + */ + +unsigned int ata_sff_data_xfer32(struct ata_device *dev, unsigned char *buf, + unsigned int buflen, int rw) +{ + struct ata_port *ap = dev->link->ap; + void __iomem *data_addr = ap->ioaddr.data_addr; + unsigned int words = buflen >> 2; + int slop = buflen & 3; + + /* Transfer multiple of 4 bytes */ + if (rw == READ) + ioread32_rep(data_addr, buf, words); + else + iowrite32_rep(data_addr, buf, words); + + if (unlikely(slop)) { + __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); + } + words++; + } + return words << 2; +} +EXPORT_SYMBOL_GPL(ata_sff_data_xfer32); /** * ata_sff_data_xfer_noirq - Transfer data by PIO @@ -746,6 +816,7 @@ unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf, return consumed; } +EXPORT_SYMBOL_GPL(ata_sff_data_xfer_noirq); /** * ata_pio_sector - Transfer a sector of data. @@ -922,13 +993,15 @@ next_sg: buf = kmap_atomic(page, KM_IRQ0); /* do the actual data transfer */ - consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw); + consumed = ap->ops->sff_data_xfer(dev, buf + offset, + count, rw); kunmap_atomic(buf, KM_IRQ0); local_irq_restore(flags); } else { buf = page_address(page); - consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw); + consumed = ap->ops->sff_data_xfer(dev, buf + offset, + count, rw); } bytes -= min(bytes, consumed); @@ -1013,18 +1086,19 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc) * RETURNS: * 1 if ok in workqueue, 0 otherwise. */ -static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd *qc) +static inline int ata_hsm_ok_in_wq(struct ata_port *ap, + struct ata_queued_cmd *qc) { if (qc->tf.flags & ATA_TFLAG_POLLING) return 1; if (ap->hsm_task_state == HSM_ST_FIRST) { if (qc->tf.protocol == ATA_PROT_PIO && - (qc->tf.flags & ATA_TFLAG_WRITE)) + (qc->tf.flags & ATA_TFLAG_WRITE)) return 1; if (ata_is_atapi(qc->tf.protocol) && - !(qc->dev->flags & ATA_DFLAG_CDB_INTR)) + !(qc->dev->flags & ATA_DFLAG_CDB_INTR)) return 1; } @@ -1338,6 +1412,7 @@ fsm_start: return poll_next; } +EXPORT_SYMBOL_GPL(ata_sff_hsm_move); void ata_pio_task(struct work_struct *work) { @@ -1507,6 +1582,7 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc) return 0; } +EXPORT_SYMBOL_GPL(ata_sff_qc_issue); /** * ata_sff_qc_fill_rtf - fill result TF using ->sff_tf_read @@ -1526,6 +1602,7 @@ bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc) qc->ap->ops->sff_tf_read(qc->ap, &qc->result_tf); return true; } +EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf); /** * ata_sff_host_intr - Handle host interrupt for given (port, task) @@ -1623,6 +1700,7 @@ idle_irq: #endif return 0; /* irq not handled */ } +EXPORT_SYMBOL_GPL(ata_sff_host_intr); /** * ata_sff_interrupt - Default ATA host interrupt handler @@ -1667,6 +1745,7 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) return IRQ_RETVAL(handled); } +EXPORT_SYMBOL_GPL(ata_sff_interrupt); /** * ata_sff_freeze - Freeze SFF controller port @@ -1695,6 +1774,7 @@ void ata_sff_freeze(struct ata_port *ap) ap->ops->sff_irq_clear(ap); } +EXPORT_SYMBOL_GPL(ata_sff_freeze); /** * ata_sff_thaw - Thaw SFF controller port @@ -1712,6 +1792,7 @@ void ata_sff_thaw(struct ata_port *ap) ap->ops->sff_irq_clear(ap); ap->ops->sff_irq_on(ap); } +EXPORT_SYMBOL_GPL(ata_sff_thaw); /** * ata_sff_prereset - prepare SFF link for reset @@ -1753,6 +1834,7 @@ int ata_sff_prereset(struct ata_link *link, unsigned long deadline) return 0; } +EXPORT_SYMBOL_GPL(ata_sff_prereset); /** * ata_devchk - PATA device presence detection @@ -1865,6 +1947,7 @@ unsigned int ata_sff_dev_classify(struct ata_device *dev, int present, return class; } +EXPORT_SYMBOL_GPL(ata_sff_dev_classify); /** * ata_sff_wait_after_reset - wait for devices to become ready after reset @@ -1941,6 +2024,7 @@ int ata_sff_wait_after_reset(struct ata_link *link, unsigned int devmask, return ret; } +EXPORT_SYMBOL_GPL(ata_sff_wait_after_reset); static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask, unsigned long deadline) @@ -2013,6 +2097,7 @@ int ata_sff_softreset(struct ata_link *link, unsigned int *classes, DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]); return 0; } +EXPORT_SYMBOL_GPL(ata_sff_softreset); /** * sata_sff_hardreset - reset host port via SATA phy reset @@ -2045,6 +2130,7 @@ int sata_sff_hardreset(struct ata_link *link, unsigned int *class, DPRINTK("EXIT, class=%u\n", *class); return rc; } +EXPORT_SYMBOL_GPL(sata_sff_hardreset); /** * ata_sff_postreset - SFF postreset callback @@ -2080,6 +2166,7 @@ void ata_sff_postreset(struct ata_link *link, unsigned int *classes) if (ap->ioaddr.ctl_addr) iowrite8(ap->ctl, ap->ioaddr.ctl_addr); } +EXPORT_SYMBOL_GPL(ata_sff_postreset); /** * ata_sff_error_handler - Stock error handler for BMDMA controller @@ -2152,6 +2239,7 @@ void ata_sff_error_handler(struct ata_port *ap) ata_do_eh(ap, ap->ops->prereset, softreset, hardreset, ap->ops->postreset); } +EXPORT_SYMBOL_GPL(ata_sff_error_handler); /** * ata_sff_post_internal_cmd - Stock post_internal_cmd for SFF controller @@ -2174,6 +2262,7 @@ void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc) spin_unlock_irqrestore(ap->lock, flags); } +EXPORT_SYMBOL_GPL(ata_sff_post_internal_cmd); /** * ata_sff_port_start - Set port up for dma. @@ -2194,6 +2283,7 @@ int ata_sff_port_start(struct ata_port *ap) return ata_port_start(ap); return 0; } +EXPORT_SYMBOL_GPL(ata_sff_port_start); /** * ata_sff_std_ports - initialize ioaddr with standard port offsets. @@ -2219,6 +2309,7 @@ void ata_sff_std_ports(struct ata_ioports *ioaddr) ioaddr->status_addr = ioaddr->cmd_addr + ATA_REG_STATUS; ioaddr->command_addr = ioaddr->cmd_addr + ATA_REG_CMD; } +EXPORT_SYMBOL_GPL(ata_sff_std_ports); unsigned long ata_bmdma_mode_filter(struct ata_device *adev, unsigned long xfer_mask) @@ -2230,6 +2321,7 @@ unsigned long ata_bmdma_mode_filter(struct ata_device *adev, xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); return xfer_mask; } +EXPORT_SYMBOL_GPL(ata_bmdma_mode_filter); /** * ata_bmdma_setup - Set up PCI IDE BMDMA transaction @@ -2258,6 +2350,7 @@ void ata_bmdma_setup(struct ata_queued_cmd *qc) /* issue r/w command */ ap->ops->sff_exec_command(ap, &qc->tf); } +EXPORT_SYMBOL_GPL(ata_bmdma_setup); /** * ata_bmdma_start - Start a PCI IDE BMDMA transaction @@ -2290,6 +2383,7 @@ void ata_bmdma_start(struct ata_queued_cmd *qc) * unneccessarily delayed for MMIO */ } +EXPORT_SYMBOL_GPL(ata_bmdma_start); /** * ata_bmdma_stop - Stop PCI IDE BMDMA transfer @@ -2314,6 +2408,7 @@ void ata_bmdma_stop(struct ata_queued_cmd *qc) /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ ata_sff_dma_pause(ap); } +EXPORT_SYMBOL_GPL(ata_bmdma_stop); /** * ata_bmdma_status - Read PCI IDE BMDMA status @@ -2330,6 +2425,7 @@ u8 ata_bmdma_status(struct ata_port *ap) { return ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); } +EXPORT_SYMBOL_GPL(ata_bmdma_status); /** * ata_bus_reset - reset host port and associated ATA channel @@ -2422,6 +2518,7 @@ err_out: DPRINTK("EXIT\n"); } +EXPORT_SYMBOL_GPL(ata_bus_reset); #ifdef CONFIG_PCI @@ -2449,6 +2546,7 @@ int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev) return -EOPNOTSUPP; return 0; } +EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex); /** * ata_pci_bmdma_init - acquire PCI BMDMA resources and init ATA host @@ -2501,11 +2599,12 @@ int ata_pci_bmdma_init(struct ata_host *host) host->flags |= ATA_HOST_SIMPLEX; ata_port_desc(ap, "bmdma 0x%llx", - (unsigned long long)pci_resource_start(pdev, 4) + 8 * i); + (unsigned long long)pci_resource_start(pdev, 4) + 8 * i); } return 0; } +EXPORT_SYMBOL_GPL(ata_pci_bmdma_init); static int ata_resources_present(struct pci_dev *pdev, int port) { @@ -2513,7 +2612,7 @@ static int ata_resources_present(struct pci_dev *pdev, int port) /* Check the PCI resources for this channel are enabled */ port = port * 2; - for (i = 0; i < 2; i ++) { + for (i = 0; i < 2; i++) { if (pci_resource_start(pdev, port + i) == 0 || pci_resource_len(pdev, port + i) == 0) return 0; @@ -2598,6 +2697,7 @@ int ata_pci_sff_init_host(struct ata_host *host) return 0; } +EXPORT_SYMBOL_GPL(ata_pci_sff_init_host); /** * ata_pci_sff_prepare_host - helper to prepare native PCI ATA host @@ -2615,7 +2715,7 @@ int ata_pci_sff_init_host(struct ata_host *host) * 0 on success, -errno otherwise. */ int ata_pci_sff_prepare_host(struct pci_dev *pdev, - const struct ata_port_info * const * ppi, + const struct ata_port_info * const *ppi, struct ata_host **r_host) { struct ata_host *host; @@ -2645,17 +2745,18 @@ int ata_pci_sff_prepare_host(struct pci_dev *pdev, *r_host = host; return 0; - err_bmdma: +err_bmdma: /* This is necessary because PCI and iomap resources are * merged and releasing the top group won't release the * acquired resources if some of those have been acquired * before entering this function. */ pcim_iounmap_regions(pdev, 0xf); - err_out: +err_out: devres_release_group(&pdev->dev, NULL); return rc; } +EXPORT_SYMBOL_GPL(ata_pci_sff_prepare_host); /** * ata_pci_sff_activate_host - start SFF host, request IRQ and register it @@ -2741,7 +2842,7 @@ int ata_pci_sff_activate_host(struct ata_host *host, } rc = ata_host_register(host, sht); - out: +out: if (rc == 0) devres_remove_group(dev, NULL); else @@ -2749,6 +2850,7 @@ int ata_pci_sff_activate_host(struct ata_host *host, return rc; } +EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host); /** * ata_pci_sff_init_one - Initialize/register PCI IDE host controller @@ -2776,7 +2878,7 @@ int ata_pci_sff_activate_host(struct ata_host *host, * Zero on success, negative on errno-based value on error. */ int ata_pci_sff_init_one(struct pci_dev *pdev, - const struct ata_port_info * const * ppi, + const struct ata_port_info * const *ppi, struct scsi_host_template *sht, void *host_priv) { struct device *dev = &pdev->dev; @@ -2815,7 +2917,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev, pci_set_master(pdev); rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht); - out: +out: if (rc == 0) devres_remove_group(&pdev->dev, NULL); else @@ -2823,54 +2925,7 @@ int ata_pci_sff_init_one(struct pci_dev *pdev, return rc; } +EXPORT_SYMBOL_GPL(ata_pci_sff_init_one); #endif /* CONFIG_PCI */ -EXPORT_SYMBOL_GPL(ata_sff_port_ops); -EXPORT_SYMBOL_GPL(ata_bmdma_port_ops); -EXPORT_SYMBOL_GPL(ata_sff_qc_prep); -EXPORT_SYMBOL_GPL(ata_sff_dumb_qc_prep); -EXPORT_SYMBOL_GPL(ata_sff_dev_select); -EXPORT_SYMBOL_GPL(ata_sff_check_status); -EXPORT_SYMBOL_GPL(ata_sff_dma_pause); -EXPORT_SYMBOL_GPL(ata_sff_pause); -EXPORT_SYMBOL_GPL(ata_sff_busy_sleep); -EXPORT_SYMBOL_GPL(ata_sff_wait_ready); -EXPORT_SYMBOL_GPL(ata_sff_tf_load); -EXPORT_SYMBOL_GPL(ata_sff_tf_read); -EXPORT_SYMBOL_GPL(ata_sff_exec_command); -EXPORT_SYMBOL_GPL(ata_sff_data_xfer); -EXPORT_SYMBOL_GPL(ata_sff_data_xfer_noirq); -EXPORT_SYMBOL_GPL(ata_sff_irq_on); -EXPORT_SYMBOL_GPL(ata_sff_irq_clear); -EXPORT_SYMBOL_GPL(ata_sff_hsm_move); -EXPORT_SYMBOL_GPL(ata_sff_qc_issue); -EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf); -EXPORT_SYMBOL_GPL(ata_sff_host_intr); -EXPORT_SYMBOL_GPL(ata_sff_interrupt); -EXPORT_SYMBOL_GPL(ata_sff_freeze); -EXPORT_SYMBOL_GPL(ata_sff_thaw); -EXPORT_SYMBOL_GPL(ata_sff_prereset); -EXPORT_SYMBOL_GPL(ata_sff_dev_classify); -EXPORT_SYMBOL_GPL(ata_sff_wait_after_reset); -EXPORT_SYMBOL_GPL(ata_sff_softreset); -EXPORT_SYMBOL_GPL(sata_sff_hardreset); -EXPORT_SYMBOL_GPL(ata_sff_postreset); -EXPORT_SYMBOL_GPL(ata_sff_error_handler); -EXPORT_SYMBOL_GPL(ata_sff_post_internal_cmd); -EXPORT_SYMBOL_GPL(ata_sff_port_start); -EXPORT_SYMBOL_GPL(ata_sff_std_ports); -EXPORT_SYMBOL_GPL(ata_bmdma_mode_filter); -EXPORT_SYMBOL_GPL(ata_bmdma_setup); -EXPORT_SYMBOL_GPL(ata_bmdma_start); -EXPORT_SYMBOL_GPL(ata_bmdma_stop); -EXPORT_SYMBOL_GPL(ata_bmdma_status); -EXPORT_SYMBOL_GPL(ata_bus_reset); -#ifdef CONFIG_PCI -EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex); -EXPORT_SYMBOL_GPL(ata_pci_bmdma_init); -EXPORT_SYMBOL_GPL(ata_pci_sff_init_host); -EXPORT_SYMBOL_GPL(ata_pci_sff_prepare_host); -EXPORT_SYMBOL_GPL(ata_pci_sff_activate_host); -EXPORT_SYMBOL_GPL(ata_pci_sff_init_one); -#endif /* CONFIG_PCI */ diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 73c466e452c..a7999c19f0c 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -19,7 +19,9 @@ * * TODO/CHECK * Cannot have ATAPI on both master & slave for rev < c2 (???) but - * otherwise should do atapi DMA. + * otherwise should do atapi DMA (For now for old we do PIO only for + * ATAPI) + * Review Sunblade workaround. */ #include <linux/kernel.h> @@ -33,12 +35,14 @@ #include <linux/dmi.h> #define DRV_NAME "pata_ali" -#define DRV_VERSION "0.7.5" +#define DRV_VERSION "0.7.8" static int ali_atapi_dma = 0; module_param_named(atapi_dma, ali_atapi_dma, int, 0644); MODULE_PARM_DESC(atapi_dma, "Enable ATAPI DMA (0=disable, 1=enable)"); +static struct pci_dev *isa_bridge; + /* * Cable special cases */ @@ -147,8 +151,7 @@ static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int o pci_read_config_byte(pdev, pio_fifo, &fifo); fifo &= ~(0x0F << shift); - if (on) - fifo |= (on << shift); + fifo |= (on << shift); pci_write_config_byte(pdev, pio_fifo, fifo); } @@ -337,6 +340,23 @@ static int ali_check_atapi_dma(struct ata_queued_cmd *qc) return 0; } +static void ali_c2_c3_postreset(struct ata_link *link, unsigned int *classes) +{ + u8 r; + int port_bit = 4 << link->ap->port_no; + + /* If our bridge is an ALI 1533 then do the extra work */ + if (isa_bridge) { + /* Tristate and re-enable the bus signals */ + pci_read_config_byte(isa_bridge, 0x58, &r); + r &= ~port_bit; + pci_write_config_byte(isa_bridge, 0x58, r); + r |= port_bit; + pci_write_config_byte(isa_bridge, 0x58, r); + } + ata_sff_postreset(link, classes); +} + static struct scsi_host_template ali_sht = { ATA_BMDMA_SHT(DRV_NAME), }; @@ -349,10 +369,11 @@ static struct ata_port_operations ali_early_port_ops = { .inherits = &ata_sff_port_ops, .cable_detect = ata_cable_40wire, .set_piomode = ali_set_piomode, + .sff_data_xfer = ata_sff_data_xfer32, }; static const struct ata_port_operations ali_dma_base_ops = { - .inherits = &ata_bmdma_port_ops, + .inherits = &ata_bmdma32_port_ops, .set_piomode = ali_set_piomode, .set_dmamode = ali_set_dmamode, }; @@ -377,6 +398,17 @@ static struct ata_port_operations ali_c2_port_ops = { .check_atapi_dma = ali_check_atapi_dma, .cable_detect = ali_c2_cable_detect, .dev_config = ali_lock_sectors, + .postreset = ali_c2_c3_postreset, +}; + +/* + * Port operations for DMA capable ALi with cable detect + */ +static struct ata_port_operations ali_c4_port_ops = { + .inherits = &ali_dma_base_ops, + .check_atapi_dma = ali_check_atapi_dma, + .cable_detect = ali_c2_cable_detect, + .dev_config = ali_lock_sectors, }; /* @@ -401,52 +433,49 @@ static struct ata_port_operations ali_c5_port_ops = { static void ali_init_chipset(struct pci_dev *pdev) { u8 tmp; - struct pci_dev *north, *isa_bridge; + struct pci_dev *north; /* * The chipset revision selects the driver operations and * mode data. */ - if (pdev->revision >= 0x20 && pdev->revision < 0xC2) { - /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ - pci_read_config_byte(pdev, 0x4B, &tmp); - /* Clear CD-ROM DMA write bit */ - tmp &= 0x7F; - pci_write_config_byte(pdev, 0x4B, tmp); - } else if (pdev->revision >= 0xC2) { - /* Enable cable detection logic */ + if (pdev->revision <= 0x20) { + pci_read_config_byte(pdev, 0x53, &tmp); + tmp |= 0x03; + pci_write_config_byte(pdev, 0x53, tmp); + } else { + pci_read_config_byte(pdev, 0x4a, &tmp); + pci_write_config_byte(pdev, 0x4a, tmp | 0x20); pci_read_config_byte(pdev, 0x4B, &tmp); - pci_write_config_byte(pdev, 0x4B, tmp | 0x08); - } - north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); - isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); - - if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { - /* Configure the ALi bridge logic. For non ALi rely on BIOS. - Set the south bridge enable bit */ - pci_read_config_byte(isa_bridge, 0x79, &tmp); - if (pdev->revision == 0xC2) - pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); - else if (pdev->revision > 0xC2 && pdev->revision < 0xC5) - pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); - } - if (pdev->revision >= 0x20) { + if (pdev->revision < 0xC2) + /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ + /* Clear CD-ROM DMA write bit */ + tmp &= 0x7F; + /* Cable and UDMA */ + pci_write_config_byte(pdev, 0x4B, tmp | 0x09); /* * CD_ROM DMA on (0x53 bit 0). Enable this even if we want * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control * via 0x54/55. */ pci_read_config_byte(pdev, 0x53, &tmp); - if (pdev->revision <= 0x20) - tmp &= ~0x02; if (pdev->revision >= 0xc7) tmp |= 0x03; else tmp |= 0x01; /* CD_ROM enable for DMA */ pci_write_config_byte(pdev, 0x53, tmp); } - pci_dev_put(isa_bridge); + north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); + if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { + /* Configure the ALi bridge logic. For non ALi rely on BIOS. + Set the south bridge enable bit */ + pci_read_config_byte(isa_bridge, 0x79, &tmp); + if (pdev->revision == 0xC2) + pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); + else if (pdev->revision > 0xC2 && pdev->revision < 0xC5) + pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); + } pci_dev_put(north); ata_pci_bmdma_clear_simplex(pdev); } @@ -503,7 +532,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = ATA_UDMA5, - .port_ops = &ali_c2_port_ops + .port_ops = &ali_c4_port_ops }; /* Revision 0xC5 is UDMA133 with LBA48 DMA */ static const struct ata_port_info info_c5 = { @@ -516,7 +545,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) const struct ata_port_info *ppi[] = { NULL, NULL }; u8 tmp; - struct pci_dev *isa_bridge; int rc; rc = pcim_enable_device(pdev); @@ -543,14 +571,12 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ali_init_chipset(pdev); - isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); if (isa_bridge && pdev->revision >= 0x20 && pdev->revision < 0xC2) { /* Are we paired with a UDMA capable chip */ pci_read_config_byte(isa_bridge, 0x5E, &tmp); if ((tmp & 0x1E) == 0x12) ppi[0] = &info_20_udma; } - pci_dev_put(isa_bridge); return ata_pci_sff_init_one(pdev, ppi, &ali_sht, NULL); } @@ -590,13 +616,20 @@ static struct pci_driver ali_pci_driver = { static int __init ali_init(void) { - return pci_register_driver(&ali_pci_driver); + int ret; + isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); + + ret = pci_register_driver(&ali_pci_driver); + if (ret < 0) + pci_dev_put(isa_bridge); + return ret; } static void __exit ali_exit(void) { pci_unregister_driver(&ali_pci_driver); + pci_dev_put(isa_bridge); } diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index 0ec9c7d9fe9..63719ab9ea4 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -24,7 +24,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_amd" -#define DRV_VERSION "0.3.10" +#define DRV_VERSION "0.3.11" /** * timing_setup - shared timing computation and load @@ -345,7 +345,7 @@ static struct scsi_host_template amd_sht = { }; static const struct ata_port_operations amd_base_port_ops = { - .inherits = &ata_bmdma_port_ops, + .inherits = &ata_bmdma32_port_ops, .prereset = amd_pre_reset, }; diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index e0c4f05d7d5..65c28e5a6cd 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -30,7 +30,7 @@ #define DRV_VERSION "0.6.2" struct hpt_clock { - u8 xfer_speed; + u8 xfer_mode; u32 timing; }; @@ -189,28 +189,6 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask) return ata_bmdma_mode_filter(adev, mask); } -/** - * hpt36x_find_mode - reset the hpt36x bus - * @ap: ATA port - * @speed: transfer mode - * - * Return the 32bit register programming information for this channel - * that matches the speed provided. - */ - -static u32 hpt36x_find_mode(struct ata_port *ap, int speed) -{ - struct hpt_clock *clocks = ap->host->private_data; - - while(clocks->xfer_speed) { - if (clocks->xfer_speed == speed) - return clocks->timing; - clocks++; - } - BUG(); - return 0xffffffffU; /* silence compiler warning */ -} - static int hpt36x_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -226,25 +204,16 @@ static int hpt36x_cable_detect(struct ata_port *ap) return ATA_CBL_PATA80; } -/** - * hpt366_set_piomode - PIO setup - * @ap: ATA interface - * @adev: device on the interface - * - * Perform PIO mode setup. - */ - -static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) +static void hpt366_set_mode(struct ata_port *ap, struct ata_device *adev, + u8 mode) { + struct hpt_clock *clocks = ap->host->private_data; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u32 addr1, addr2; - u32 reg; - u32 mode; + u32 addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); + u32 addr2 = 0x51 + 4 * ap->port_no; + u32 mask, reg; u8 fast; - addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); - addr2 = 0x51 + 4 * ap->port_no; - /* Fast interrupt prediction disable, hold off interrupt disable */ pci_read_config_byte(pdev, addr2, &fast); if (fast & 0x80) { @@ -252,12 +221,43 @@ static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) pci_write_config_byte(pdev, addr2, fast); } + /* determine timing mask and find matching clock entry */ + if (mode < XFER_MW_DMA_0) + mask = 0xc1f8ffff; + else if (mode < XFER_UDMA_0) + mask = 0x303800ff; + else + mask = 0x30070000; + + while (clocks->xfer_mode) { + if (clocks->xfer_mode == mode) + break; + clocks++; + } + if (!clocks->xfer_mode) + BUG(); + + /* + * Combine new mode bits with old config bits and disable + * on-chip PIO FIFO/buffer (and PIO MST mode as well) to avoid + * problems handling I/O errors later. + */ pci_read_config_dword(pdev, addr1, ®); - mode = hpt36x_find_mode(ap, adev->pio_mode); - mode &= ~0x8000000; /* No FIFO in PIO */ - mode &= ~0x30070000; /* Leave config bits alone */ - reg &= 0x30070000; /* Strip timing bits */ - pci_write_config_dword(pdev, addr1, reg | mode); + reg = ((reg & ~mask) | (clocks->timing & mask)) & ~0xc0000000; + pci_write_config_dword(pdev, addr1, reg); +} + +/** + * hpt366_set_piomode - PIO setup + * @ap: ATA interface + * @adev: device on the interface + * + * Perform PIO mode setup. + */ + +static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + hpt366_set_mode(ap, adev, adev->pio_mode); } /** @@ -271,28 +271,7 @@ static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) static void hpt366_set_dmamode(struct ata_port *ap, struct ata_device *adev) { - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u32 addr1, addr2; - u32 reg; - u32 mode; - u8 fast; - - addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); - addr2 = 0x51 + 4 * ap->port_no; - - /* Fast interrupt prediction disable, hold off interrupt disable */ - pci_read_config_byte(pdev, addr2, &fast); - if (fast & 0x80) { - fast &= ~0x80; - pci_write_config_byte(pdev, addr2, fast); - } - - pci_read_config_dword(pdev, addr1, ®); - mode = hpt36x_find_mode(ap, adev->dma_mode); - mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ - mode &= ~0xC0000000; /* Leave config bits alone */ - reg &= 0xC0000000; /* Strip timing bits */ - pci_write_config_dword(pdev, addr1, reg | mode); + hpt366_set_mode(ap, adev, adev->dma_mode); } static struct scsi_host_template hpt36x_sht = { diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index f11a320337c..f19cc645881 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -23,7 +23,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt3x3" -#define DRV_VERSION "0.5.3" +#define DRV_VERSION "0.6.1" /** * hpt3x3_set_piomode - PIO setup @@ -80,14 +80,48 @@ static void hpt3x3_set_dmamode(struct ata_port *ap, struct ata_device *adev) r2 &= ~(0x11 << dn); /* Clear MWDMA and UDMA bits */ if (adev->dma_mode >= XFER_UDMA_0) - r2 |= (0x10 << dn); /* Ultra mode */ + r2 |= (0x01 << dn); /* Ultra mode */ else - r2 |= (0x01 << dn); /* MWDMA */ + r2 |= (0x10 << dn); /* MWDMA */ pci_write_config_dword(pdev, 0x44, r1); pci_write_config_dword(pdev, 0x48, r2); } -#endif /* CONFIG_PATA_HPT3X3_DMA */ + +/** + * hpt3x3_freeze - DMA workaround + * @ap: port to freeze + * + * When freezing an HPT3x3 we must stop any pending DMA before + * writing to the control register or the chip will hang + */ + +static void hpt3x3_freeze(struct ata_port *ap) +{ + void __iomem *mmio = ap->ioaddr.bmdma_addr; + + iowrite8(ioread8(mmio + ATA_DMA_CMD) & ~ ATA_DMA_START, + mmio + ATA_DMA_CMD); + ata_sff_dma_pause(ap); + ata_sff_freeze(ap); +} + +/** + * hpt3x3_bmdma_setup - DMA workaround + * @qc: Queued command + * + * When issuing BMDMA we must clean up the error/active bits in + * software on this device + */ + +static void hpt3x3_bmdma_setup(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + u8 r = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + r |= ATA_DMA_INTR | ATA_DMA_ERR; + iowrite8(r, ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + return ata_bmdma_setup(qc); +} /** * hpt3x3_atapi_dma - ATAPI DMA check @@ -101,18 +135,23 @@ static int hpt3x3_atapi_dma(struct ata_queued_cmd *qc) return 1; } +#endif /* CONFIG_PATA_HPT3X3_DMA */ + static struct scsi_host_template hpt3x3_sht = { ATA_BMDMA_SHT(DRV_NAME), }; static struct ata_port_operations hpt3x3_port_ops = { .inherits = &ata_bmdma_port_ops, - .check_atapi_dma= hpt3x3_atapi_dma, .cable_detect = ata_cable_40wire, .set_piomode = hpt3x3_set_piomode, #if defined(CONFIG_PATA_HPT3X3_DMA) .set_dmamode = hpt3x3_set_dmamode, + .bmdma_setup = hpt3x3_bmdma_setup, + .check_atapi_dma= hpt3x3_atapi_dma, + .freeze = hpt3x3_freeze, #endif + }; /** diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index 7c8faa48b5f..aa576cac4d1 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -35,7 +35,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_mpiix" -#define DRV_VERSION "0.7.6" +#define DRV_VERSION "0.7.7" enum { IDETIM = 0x6C, /* IDE control register */ @@ -146,6 +146,7 @@ static struct ata_port_operations mpiix_port_ops = { .cable_detect = ata_cable_40wire, .set_piomode = mpiix_set_piomode, .prereset = mpiix_pre_reset, + .sff_data_xfer = ata_sff_data_xfer32, }; static int mpiix_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 6afa07a3764..d8d743af322 100644 --- a/drivers/ata/pata_platform.c +++ b/drivers/ata/pata_platform.c @@ -186,7 +186,7 @@ EXPORT_SYMBOL_GPL(__pata_platform_probe); * A platform bus ATA device has been unplugged. Perform the needed * cleanup. Also called on module unload for any active devices. */ -int __devexit __pata_platform_remove(struct device *dev) +int __pata_platform_remove(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 83580a59db5..9e764e5747e 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -32,7 +32,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_sil680" -#define DRV_VERSION "0.4.8" +#define DRV_VERSION "0.4.9" #define SIL680_MMIO_BAR 5 @@ -195,7 +195,7 @@ static struct scsi_host_template sil680_sht = { }; static struct ata_port_operations sil680_port_ops = { - .inherits = &ata_bmdma_port_ops, + .inherits = &ata_bmdma32_port_ops, .cable_detect = sil680_cable_detect, .set_piomode = sil680_set_piomode, .set_dmamode = sil680_set_dmamode, diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index ccee930f1e1..2590c2279fa 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -51,13 +51,6 @@ struct sil24_sge { __le32 flags; }; -/* - * Port multiplier - */ -struct sil24_port_multiplier { - __le32 diag; - __le32 sactive; -}; enum { SIL24_HOST_BAR = 0, diff --git a/include/linux/libata.h b/include/linux/libata.h index 3449de597ef..4f7c8fb4d3f 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1518,6 +1518,7 @@ extern void sata_pmp_error_handler(struct ata_port *ap); extern const struct ata_port_operations ata_sff_port_ops; extern const struct ata_port_operations ata_bmdma_port_ops; +extern const struct ata_port_operations ata_bmdma32_port_ops; /* PIO only, sg_tablesize and dma_boundary limits can be removed */ #define ATA_PIO_SHT(drv_name) \ @@ -1545,6 +1546,8 @@ extern void ata_sff_exec_command(struct ata_port *ap, const struct ata_taskfile *tf); extern unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); +extern unsigned int ata_sff_data_xfer32(struct ata_device *dev, + unsigned char *buf, unsigned int buflen, int rw); extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); extern u8 ata_sff_irq_on(struct ata_port *ap); |