diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.c | 79 | ||||
| -rw-r--r-- | drivers/ata/ata_piix.c | 22 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 62 | ||||
| -rw-r--r-- | drivers/ata/libata-eh.c | 14 | ||||
| -rw-r--r-- | drivers/ata/libata-sff.c | 3 | ||||
| -rw-r--r-- | drivers/ata/pata_ali.c | 4 | ||||
| -rw-r--r-- | drivers/ata/pata_cmd64x.c | 2 | ||||
| -rw-r--r-- | drivers/ata/pata_hpt37x.c | 32 | ||||
| -rw-r--r-- | drivers/ata/pata_hpt3x2n.c | 97 | ||||
| -rw-r--r-- | drivers/ata/pata_pdc202xx_old.c | 15 | ||||
| -rw-r--r-- | drivers/ata/pata_via.c | 1 | ||||
| -rw-r--r-- | drivers/ata/sata_mv.c | 44 | ||||
| -rw-r--r-- | drivers/ata/sata_nv.c | 5 | ||||
| -rw-r--r-- | drivers/ata/sata_via.c | 13 |
14 files changed, 291 insertions, 102 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index a3241a1a710b..cb05205da586 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -113,6 +113,7 @@ enum { board_ahci_mcp65 = 6, board_ahci_nopmp = 7, board_ahci_yesncq = 8, + board_ahci_nosntf = 9, /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ @@ -235,6 +236,7 @@ enum { AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */ AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = (1 << 11), /* treat SRST timeout as link offline */ + AHCI_HFLAG_NO_SNTF = (1 << 12), /* no sntf */ /* ap->flags bits */ @@ -508,7 +510,7 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, - /* board_ahci_yesncq */ + [board_ahci_yesncq] = { AHCI_HFLAGS (AHCI_HFLAG_YES_NCQ), .flags = AHCI_FLAG_COMMON, @@ -516,6 +518,14 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, + [board_ahci_nosntf] = + { + AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, }; static const struct pci_device_id ahci_pci_tbl[] = { @@ -531,7 +541,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */ { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */ { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */ { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */ { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */ { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */ @@ -560,6 +570,12 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */ + { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */ + { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */ + { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */ + { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */ + { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */ + { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */ /* 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, @@ -849,6 +865,12 @@ static void ahci_save_initial_config(struct pci_dev *pdev, cap &= ~HOST_CAP_PMP; } + if ((cap & HOST_CAP_SNTF) && (hpriv->flags & AHCI_HFLAG_NO_SNTF)) { + dev_printk(KERN_INFO, &pdev->dev, + "controller can't do SNTF, turning off CAP_SNTF\n"); + cap &= ~HOST_CAP_SNTF; + } + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361 && port_map != 1) { dev_printk(KERN_INFO, &pdev->dev, @@ -2815,6 +2837,14 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) * On HP dv[4-6] and HDX18 with earlier BIOSen, link * to the harddisk doesn't become online after * resuming from STR. Warn and fail suspend. + * + * http://bugzilla.kernel.org/show_bug.cgi?id=12276 + * + * Use dates instead of versions to match as HP is + * apparently recycling both product and version + * strings. + * + * http://bugzilla.kernel.org/show_bug.cgi?id=15462 */ { .ident = "dv4", @@ -2823,7 +2853,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), }, - .driver_data = "F.30", /* cutoff BIOS version */ + .driver_data = "20090105", /* F.30 */ }, { .ident = "dv5", @@ -2832,7 +2862,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv5 Notebook PC"), }, - .driver_data = "F.16", /* cutoff BIOS version */ + .driver_data = "20090506", /* F.16 */ }, { .ident = "dv6", @@ -2841,7 +2871,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6 Notebook PC"), }, - .driver_data = "F.21", /* cutoff BIOS version */ + .driver_data = "20090423", /* F.21 */ }, { .ident = "HDX18", @@ -2850,19 +2880,38 @@ static bool ahci_broken_suspend(struct pci_dev *pdev) DMI_MATCH(DMI_PRODUCT_NAME, "HP HDX18 Notebook PC"), }, - .driver_data = "F.23", /* cutoff BIOS version */ + .driver_data = "20090430", /* F.23 */ + }, + /* + * Acer eMachines G725 has the same problem. BIOS + * V1.03 is known to be broken. V3.04 is known to + * work. Inbetween, there are V1.06, V2.06 and V3.03 + * that we don't have much idea about. For now, + * blacklist anything older than V3.04. + * + * http://bugzilla.kernel.org/show_bug.cgi?id=15104 + */ + { + .ident = "G725", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "eMachines"), + DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"), + }, + .driver_data = "20091216", /* V3.04 */ }, { } /* terminate list */ }; const struct dmi_system_id *dmi = dmi_first_match(sysids); - const char *ver; + int year, month, date; + char buf[9]; if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2)) return false; - ver = dmi_get_system_info(DMI_BIOS_VERSION); + dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); + snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); - return !ver || strcmp(ver, dmi->driver_data) < 0; + return strcmp(buf, dmi->driver_data) < 0; } static bool ahci_broken_online(struct pci_dev *pdev) @@ -3043,8 +3092,16 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ahci_save_initial_config(pdev, hpriv); /* prepare host */ - if (hpriv->cap & HOST_CAP_NCQ) - pi.flags |= ATA_FLAG_NCQ | ATA_FLAG_FPDMA_AA; + if (hpriv->cap & HOST_CAP_NCQ) { + pi.flags |= ATA_FLAG_NCQ; + /* Auto-activate optimization is supposed to be supported on + all AHCI controllers indicating NCQ support, but it seems + to be broken at least on some NVIDIA MCP79 chipsets. + Until we get info on which NVIDIA chipsets don't have this + issue, if any, disable AA on all NVIDIA AHCIs. */ + if (pdev->vendor != PCI_VENDOR_ID_NVIDIA) + pi.flags |= ATA_FLAG_FPDMA_AA; + } if (hpriv->cap & HOST_CAP_PMP) pi.flags |= ATA_FLAG_PMP; diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 9ac4e378992e..c33591d3a599 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -157,6 +157,7 @@ struct piix_map_db { struct piix_host_priv { const int *map; u32 saved_iocfg; + spinlock_t sidpr_lock; /* FIXME: remove once locking in EH is fixed */ void __iomem *sidpr; }; @@ -291,6 +292,14 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x3b2d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, /* SATA Controller IDE (PCH) */ { 0x8086, 0x3b2e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, { } /* terminate list */ }; @@ -869,10 +878,10 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in (timings[pio][1] << 8); } - if (ap->udma_mask) { + if (ap->udma_mask) udma_enable &= ~(1 << devid); - pci_write_config_word(dev, master_port, master_data); - } + + pci_write_config_word(dev, master_port, master_data); } /* Don't scribble on 0x48 if the controller does not support UDMA */ if (ap->udma_mask) @@ -940,12 +949,15 @@ static int piix_sidpr_scr_read(struct ata_link *link, unsigned int reg, u32 *val) { struct piix_host_priv *hpriv = link->ap->host->private_data; + unsigned long flags; if (reg >= ARRAY_SIZE(piix_sidx_map)) return -EINVAL; + spin_lock_irqsave(&hpriv->sidpr_lock, flags); piix_sidpr_sel(link, reg); *val = ioread32(hpriv->sidpr + PIIX_SIDPR_DATA); + spin_unlock_irqrestore(&hpriv->sidpr_lock, flags); return 0; } @@ -953,12 +965,15 @@ static int piix_sidpr_scr_write(struct ata_link *link, unsigned int reg, u32 val) { struct piix_host_priv *hpriv = link->ap->host->private_data; + unsigned long flags; if (reg >= ARRAY_SIZE(piix_sidx_map)) return -EINVAL; + spin_lock_irqsave(&hpriv->sidpr_lock, flags); piix_sidpr_sel(link, reg); iowrite32(val, hpriv->sidpr + PIIX_SIDPR_DATA); + spin_unlock_irqrestore(&hpriv->sidpr_lock, flags); return 0; } @@ -1547,6 +1562,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); if (!hpriv) return -ENOMEM; + spin_lock_init(&hpriv->sidpr_lock); /* Save IOCFG, this will be used for cable detection, quirk * detection and restoration on detach. This is necessary diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index dc72690ed5db..0963cd6a1425 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -159,6 +159,10 @@ 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 (0=off [default], 1=on)"); +static int atapi_an; +module_param(atapi_an, int, 0444); +MODULE_PARM_DESC(atapi_an, "Enable ATAPI AN media presence notification (0=0ff [default], 1=on)"); + MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Library module for ATA devices"); MODULE_LICENSE("GPL"); @@ -2570,7 +2574,8 @@ int ata_dev_configure(struct ata_device *dev) * to enable ATAPI AN to discern between PHY status * changed notifications and ATAPI ANs. */ - if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && + if (atapi_an && + (ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) && (!sata_pmp_attached(ap) || sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) { unsigned int err_mask; @@ -3790,21 +3795,45 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params, int sata_link_resume(struct ata_link *link, const unsigned long *params, unsigned long deadline) { + int tries = ATA_LINK_RESUME_TRIES; u32 scontrol, serror; int rc; if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol))) return rc; - scontrol = (scontrol & 0x0f0) | 0x300; + /* + * Writes to SControl sometimes get ignored under certain + * controllers (ata_piix SIDPR). Make sure DET actually is + * cleared. + */ + do { + scontrol = (scontrol & 0x0f0) | 0x300; + if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol))) + return rc; + /* + * Some PHYs react badly if SStatus is pounded + * immediately after resuming. Delay 200ms before + * debouncing. + */ + msleep(200); - if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol))) - return rc; + /* is SControl restored correctly? */ + if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol))) + return rc; + } while ((scontrol & 0xf0f) != 0x300 && --tries); - /* Some PHYs react badly if SStatus is pounded immediately - * after resuming. Delay 200ms before debouncing. - */ - msleep(200); + if ((scontrol & 0xf0f) != 0x300) { + ata_link_printk(link, KERN_ERR, + "failed to resume link (SControl %X)\n", + scontrol); + return 0; + } + + if (tries < ATA_LINK_RESUME_TRIES) + ata_link_printk(link, KERN_WARNING, + "link resume succeeded after %d retries\n", + ATA_LINK_RESUME_TRIES - tries); if ((rc = sata_link_debounce(link, params, deadline))) return rc; @@ -4324,6 +4353,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "HTS541080G9SA00", "MB4OC60D", ATA_HORKAGE_NONCQ, }, { "HTS541010G9SA00", "MBZOC60D", ATA_HORKAGE_NONCQ, }, + /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */ + { "C300-CTFDDAC128MAG", "0001", ATA_HORKAGE_NONCQ, }, + /* devices which puke on READ_NATIVE_MAX */ { "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, }, { "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA }, @@ -5472,6 +5504,7 @@ static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg, */ int ata_host_suspend(struct ata_host *host, pm_message_t mesg) { + unsigned int ehi_flags = ATA_EHI_QUIET; int rc; /* @@ -5480,7 +5513,18 @@ int ata_host_suspend(struct ata_host *host, pm_message_t mesg) */ ata_lpm_enable(host); - rc = ata_host_request_pm(host, mesg, 0, ATA_EHI_QUIET, 1); + /* + * On some hardware, device fails to respond after spun down + * for suspend. As the device won't be used before being + * resumed, we don't need to touch the device. Ask EH to skip + * the usual stuff and proceed directly to suspend. + * + * http://thread.gmane.org/gmane.linux.ide/46764 + */ + if (mesg.event == PM_EVENT_SUSPEND) + ehi_flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_NO_RECOVERY; + + rc = ata_host_request_pm(host, mesg, 0, ehi_flags, 1); if (rc == 0) host->dev->power.power_state = mesg; return rc; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index bba2ae5df1c2..fa9bed06b397 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -870,6 +870,8 @@ static void ata_eh_set_pending(struct ata_port *ap, int fastdrain) void ata_qc_schedule_eh(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; + struct request_queue *q = qc->scsicmd->device->request_queue; + unsigned long flags; WARN_ON(!ap->ops->error_handler); @@ -881,7 +883,9 @@ void ata_qc_schedule_eh(struct ata_queued_cmd *qc) * Note that ATA_QCFLAG_FAILED is unconditionally set after * this function completes. */ + spin_lock_irqsave(q->queue_lock, flags); blk_abort_request(qc->scsicmd->request); + spin_unlock_irqrestore(q->queue_lock, flags); } /** @@ -1615,6 +1619,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link) } /* okay, this error is ours */ + memset(&tf, 0, sizeof(tf)); rc = ata_eh_read_log_10h(dev, &tag, &tf); if (rc) { ata_link_printk(link, KERN_ERR, "failed to read log page 10h " @@ -2019,8 +2024,9 @@ static void ata_eh_link_autopsy(struct ata_link *link) qc->err_mask &= ~(AC_ERR_DEV | AC_ERR_OTHER); /* determine whether the command is worth retrying */ - if (!(qc->err_mask & AC_ERR_INVALID) && - ((qc->flags & ATA_QCFLAG_IO) || qc->err_mask != AC_ERR_DEV)) + if (qc->flags & ATA_QCFLAG_IO || + (!(qc->err_mask & AC_ERR_INVALID) && + qc->err_mask != AC_ERR_DEV)) qc->flags |= ATA_QCFLAG_RETRY; /* accumulate error info */ @@ -3143,6 +3149,10 @@ static int ata_eh_skip_recovery(struct ata_link *link) if (link->flags & ATA_LFLAG_DISABLED) return 1; + /* skip if explicitly requested */ + if (ehc->i.flags & ATA_EHI_NO_RECOVERY) + return 1; + /* thaw frozen port and recover failed devices */ if ((ap->pflags & ATA_PFLAG_FROZEN) || ata_link_nr_enabled(link)) return 0; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index bbbb1fab1755..776a89599448 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -893,6 +893,9 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) do_write); } + if (!do_write && !PageSlab(page)) + flush_dcache_page(page); + qc->curbytes += qc->sect_size; qc->cursg_ofs += qc->sect_size; diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 1432dc9d0ab8..9434114b2ca8 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -453,7 +453,9 @@ static void ali_init_chipset(struct pci_dev *pdev) /* Clear CD-ROM DMA write bit */ tmp &= 0x7F; /* Cable and UDMA */ - pci_write_config_byte(pdev, 0x4B, tmp | 0x09); + if (pdev->revision >= 0xc2) + tmp |= 0x01; + pci_write_config_byte(pdev, 0x4B, tmp | 0x08); /* * 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 diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index f98dffedf4bc..f0bad9be0f65 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -219,7 +219,7 @@ static void cmd64x_set_dmamode(struct ata_port *ap, struct ata_device *adev) regU |= udma_data[adev->dma_mode - XFER_UDMA_0] << shift; /* Merge the control bits */ regU |= 1 << adev->devno; /* UDMA on */ - if (adev->dma_mode > 2) /* 15nS timing */ + if (adev->dma_mode > XFER_UDMA_2) /* 15nS timing */ regU |= 4 << adev->devno; } else { regU &= ~ (1 << adev->devno); /* UDMA off */ diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index d0a7df2e5ca7..ec07c5378461 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -24,7 +24,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt37x" -#define DRV_VERSION "0.6.12" +#define DRV_VERSION "0.6.14" struct hpt_clock { u8 xfer_speed; @@ -404,9 +404,8 @@ static void hpt370_set_piomode(struct ata_port *ap, struct ata_device *adev) pci_read_config_dword(pdev, addr1, ®); mode = hpt37x_find_mode(ap, adev->pio_mode); - mode &= ~0x8000000; /* No FIFO in PIO */ - mode &= ~0x30070000; /* Leave config bits alone */ - reg &= 0x30070000; /* Strip timing bits */ + mode &= 0xCFC3FFFF; /* Leave DMA bits alone */ + reg &= ~0xCFC3FFFF; /* Strip timing bits */ pci_write_config_dword(pdev, addr1, reg | mode); } @@ -423,8 +422,7 @@ static void hpt370_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; + u32 reg, mode, mask; u8 fast; addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); @@ -436,11 +434,12 @@ static void hpt370_set_dmamode(struct ata_port *ap, struct ata_device *adev) fast |= 0x01; pci_write_config_byte(pdev, addr2, fast); + mask = adev->dma_mode < XFER_UDMA_0 ? 0x31C001FF : 0x303C0000; + pci_read_config_dword(pdev, addr1, ®); mode = hpt37x_find_mode(ap, adev->dma_mode); - mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ - mode &= ~0xC0000000; /* Leave config bits alone */ - reg &= 0xC0000000; /* Strip timing bits */ + mode &= mask; + reg &= ~mask; pci_write_config_dword(pdev, addr1, reg | mode); } @@ -508,9 +507,8 @@ static void hpt372_set_piomode(struct ata_port *ap, struct ata_device *adev) mode = hpt37x_find_mode(ap, adev->pio_mode); printk("Find mode for %d reports %X\n", adev->pio_mode, mode); - mode &= ~0x80000000; /* No FIFO in PIO */ - mode &= ~0x30070000; /* Leave config bits alone */ - reg &= 0x30070000; /* Strip timing bits */ + mode &= 0xCFC3FFFF; /* Leave DMA bits alone */ + reg &= ~0xCFC3FFFF; /* Strip timing bits */ pci_write_config_dword(pdev, addr1, reg | mode); } @@ -527,8 +525,7 @@ static void hpt372_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; + u32 reg, mode, mask; u8 fast; addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); @@ -539,12 +536,13 @@ static void hpt372_set_dmamode(struct ata_port *ap, struct ata_device *adev) fast &= ~0x07; pci_write_config_byte(pdev, addr2, fast); + mask = adev->dma_mode < XFER_UDMA_0 ? 0x31C001FF : 0x303C0000; + pci_read_config_dword(pdev, addr1, ®); mode = hpt37x_find_mode(ap, adev->dma_mode); printk("Find mode for DMA %d reports %X\n", adev->dma_mode, mode); - mode &= ~0xC0000000; /* Leave config bits alone */ - mode |= 0x80000000; /* FIFO in MWDMA or UDMA */ - reg &= 0xC0000000; /* Strip timing bits */ + mode &= mask; + reg &= ~mask; pci_write_config_dword(pdev, addr1, reg | mode); } diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 3d59fe0a408d..d9f2913f159b 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -8,7 +8,7 @@ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. * Portions Copyright (C) 2003 Red Hat Inc - * Portions Copyright (C) 2005-2007 MontaVista Software, Inc. + * Portions Copyright (C) 2005-2009 MontaVista Software, Inc. * * * TODO @@ -25,7 +25,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt3x2n" -#define DRV_VERSION "0.3.4" +#define DRV_VERSION "0.3.9" enum { HPT_PCI_FAST = (1 << 31), @@ -185,9 +185,8 @@ static void hpt3x2n_set_piomode(struct ata_port *ap, struct ata_device *adev) pci_read_config_dword(pdev, addr1, ®); mode = hpt3x2n_find_mode(ap, adev->pio_mode); - mode &= ~0x8000000; /* No FIFO in PIO */ - mode &= ~0x30070000; /* Leave config bits alone */ - reg &= 0x30070000; /* Strip timing bits */ + mode &= 0xCFC3FFFF; /* Leave DMA bits alone */ + reg &= ~0xCFC3FFFF; /* Strip timing bits */ pci_write_config_dword(pdev, addr1, reg | mode); } @@ -204,8 +203,7 @@ static void hpt3x2n_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; + u32 reg, mode, mask; u8 fast; addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); @@ -216,11 +214,12 @@ static void hpt3x2n_set_dmamode(struct ata_port *ap, struct ata_device *adev) fast &= ~0x07; pci_write_config_byte(pdev, addr2, fast); + mask = adev->dma_mode < XFER_UDMA_0 ? 0x31C001FF : 0x303C0000; + pci_read_config_dword(pdev, addr1, ®); mode = hpt3x2n_find_mode(ap, adev->dma_mode); - mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ - mode &= ~0xC0000000; /* Leave config bits alone */ - reg &= 0xC0000000; /* Strip timing bits */ + mode &= mask; + reg &= ~mask; pci_write_config_dword(pdev, addr1, reg | mode); } @@ -263,7 +262,7 @@ static void hpt3x2n_bmdma_stop(struct ata_queued_cmd *qc) static void hpt3x2n_set_clock(struct ata_port *ap, int source) { - void __iomem *bmdma = ap->ioaddr.bmdma_addr; + void __iomem *bmdma = ap->ioaddr.bmdma_addr - ap->port_no * 8; /* Tristate the bus */ iowrite8(0x80, bmdma+0x73); @@ -273,9 +272,9 @@ static void hpt3x2n_set_clock(struct ata_port *ap, int source) iowrite8(source, bmdma+0x7B); iowrite8(0xC0, bmdma+0x79); - /* Reset state machines */ - iowrite8(0x37, bmdma+0x70); - iowrite8(0x37, bmdma+0x74); + /* Reset state machines, avoid enabling the disabled channels */ + iowrite8(ioread8(bmdma+0x70) | 0x32, bmdma+0x70); + iowrite8(ioread8(bmdma+0x74) | 0x32, bmdma+0x74); /* Complete reset */ iowrite8(0x00, bmdma+0x79); @@ -285,21 +284,10 @@ static void hpt3x2n_set_clock(struct ata_port *ap, int source) iowrite8(0x00, bmdma+0x77); } -/* Check if our partner interface is busy */ - -static int hpt3x2n_pair_idle(struct ata_port *ap) -{ - struct ata_host *host = ap->host; - struct ata_port *pair = host->ports[ap->port_no ^ 1]; - - if (pair->hsm_task_state == HSM_ST_IDLE) - return 1; - return 0; -} - static int hpt3x2n_use_dpll(struct ata_port *ap, int writing) { long flags = (long)ap->host->private_data; + /* See if we should use the DPLL */ if (writing) return USE_DPLL; /* Needed for write */ @@ -308,20 +296,35 @@ static int hpt3x2n_use_dpll(struct ata_port *ap, int writing) return 0; } +static int hpt3x2n_qc_defer(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct ata_port *alt = ap->host->ports[ap->port_no ^ 1]; + int rc, flags = (long)ap->host->private_data; + int dpll = hpt3x2n_use_dpll(ap, qc->tf.flags & ATA_TFLAG_WRITE); + + /* First apply the usual rules */ + rc = ata_std_qc_defer(qc); + if (rc != 0) + return rc; + + if ((flags & USE_DPLL) != dpll && alt->qc_active) + return ATA_DEFER_PORT; + return 0; +} + static unsigned int hpt3x2n_qc_issue(struct ata_queued_cmd *qc) { - struct ata_taskfile *tf = &qc->tf; struct ata_port *ap = qc->ap; int flags = (long)ap->host->private_data; + int dpll = hpt3x2n_use_dpll(ap, qc->tf.flags & ATA_TFLAG_WRITE); - if (hpt3x2n_pair_idle(ap)) { - int dpll = hpt3x2n_use_dpll(ap, (tf->flags & ATA_TFLAG_WRITE)); - if ((flags & USE_DPLL) != dpll) { - if (dpll == 1) - hpt3x2n_set_clock(ap, 0x21); - else - hpt3x2n_set_clock(ap, 0x23); - } + if ((flags & USE_DPLL) != dpll) { + flags &= ~USE_DPLL; + flags |= dpll; + ap->host->private_data = (void *)(long)flags; + + hpt3x2n_set_clock(ap, dpll ? 0x21 : 0x23); } return ata_sff_qc_issue(qc); } @@ -338,6 +341,8 @@ static struct ata_port_operations hpt3x2n_port_ops = { .inherits = &ata_bmdma_port_ops, .bmdma_stop = hpt3x2n_bmdma_stop, + + .qc_defer = hpt3x2n_qc_defer, .qc_issue = hpt3x2n_qc_issue, .cable_detect = hpt3x2n_cable_detect, @@ -455,7 +460,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) unsigned int f_low, f_high; int adjust; unsigned long iobase = pci_resource_start(dev, 4); - void *hpriv = NULL; + void *hpriv = (void *)USE_DPLL; int rc; rc = pcim_enable_device(dev); @@ -542,16 +547,16 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) pci_mhz); /* Set our private data up. We only need a few flags so we use it directly */ - if (pci_mhz > 60) { - hpriv = (void *)PCI66; - /* - * On HPT371N, if ATA clock is 66 MHz we must set bit 2 in - * the MISC. register to stretch the UltraDMA Tss timing. - * NOTE: This register is only writeable via I/O space. - */ - if (dev->device == PCI_DEVICE_ID_TTI_HPT371) - outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c); - } + if (pci_mhz > 60) + hpriv = (void *)(PCI66 | USE_DPLL); + + /* + * On HPT371N, if ATA clock is 66 MHz we must set bit 2 in + * the MISC. register to stretch the UltraDMA Tss timing. + * NOTE: This register is only writeable via I/O space. + */ + if (dev->device == PCI_DEVICE_ID_TTI_HPT371) + outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c); /* Now kick off ATA set up */ return ata_pci_sff_init_one(dev, ppi, &hpt3x2n_sht, hpriv); diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index 2f3c9bed63d9..29111205185a 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -2,7 +2,7 @@ * pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer * (C) 2005 Red Hat Inc * Alan Cox <alan@lxorguk.ukuu.org.uk> - * (C) 2007,2009 Bartlomiej Zolnierkiewicz + * (C) 2007,2009,2010 Bartlomiej Zolnierkiewicz * * Based in part on linux/drivers/ide/pci/pdc202xx_old.c * @@ -35,6 +35,15 @@ static int pdc2026x_cable_detect(struct ata_port *ap) return ATA_CBL_PATA80; } +static void pdc202xx_exec_command(struct ata_port *ap, + const struct ata_taskfile *tf) +{ + DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command); + + iowrite8(tf->command, ap->ioaddr.command_addr); + ndelay(400); +} + /** * pdc202xx_configure_piomode - set chip PIO timing * @ap: ATA interface @@ -271,6 +280,8 @@ static struct ata_port_operations pdc2024x_port_ops = { .cable_detect = ata_cable_40wire, .set_piomode = pdc202xx_set_piomode, .set_dmamode = pdc202xx_set_dmamode, + + .sff_exec_command = pdc202xx_exec_command, }; static struct ata_port_operations pdc2026x_port_ops = { @@ -284,6 +295,8 @@ static struct ata_port_operations pdc2026x_port_ops = { .dev_config = pdc2026x_dev_config, .port_start = pdc2026x_port_start, + + .sff_exec_command = pdc202xx_exec_command, }; static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 88984b803d6d..1d73b8d236ed 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -661,6 +661,7 @@ static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, 0x3164), }, { PCI_VDEVICE(VIA, 0x5324), }, { PCI_VDEVICE(VIA, 0xC409), VIA_IDFLAG_SINGLE }, + { PCI_VDEVICE(VIA, 0x9001), VIA_IDFLAG_SINGLE }, { }, }; diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 6f5093b7c8c5..cf41126ff426 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -1879,19 +1879,25 @@ static void mv_bmdma_start(struct ata_queued_cmd *qc) * LOCKING: * Inherited from caller. */ -static void mv_bmdma_stop(struct ata_queued_cmd *qc) +static void mv_bmdma_stop_ap(struct ata_port *ap) { - struct ata_port *ap = qc->ap; void __iomem *port_mmio = mv_ap_base(ap); u32 cmd; /* clear start/stop bit */ cmd = readl(port_mmio + BMDMA_CMD); - cmd &= ~ATA_DMA_START; - writelfl(cmd, port_mmio + BMDMA_CMD); + if (cmd & ATA_DMA_START) { + cmd &= ~ATA_DMA_START; + writelfl(cmd, port_mmio + BMDMA_CMD); + + /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ + ata_sff_dma_pause(ap); + } +} - /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ - ata_sff_dma_pause(ap); +static void mv_bmdma_stop(struct ata_queued_cmd *qc) +{ + mv_bmdma_stop_ap(qc->ap); } /** @@ -1915,8 +1921,21 @@ static u8 mv_bmdma_status(struct ata_port *ap) reg = readl(port_mmio + BMDMA_STATUS); if (reg & ATA_DMA_ACTIVE) status = ATA_DMA_ACTIVE; - else + else if (reg & ATA_DMA_ERR) status = (reg & ATA_DMA_ERR) | ATA_DMA_INTR; + else { + /* + * Just because DMA_ACTIVE is 0 (DMA completed), + * this does _not_ mean the device is "done". + * So we should not yet be signalling ATA_DMA_INTR + * in some cases. Eg. DSM/TRIM, and perhaps others. + */ + mv_bmdma_stop_ap(ap); + if (ioread8(ap->ioaddr.altstatus_addr) & ATA_BUSY) + status = 0; + else + status = ATA_DMA_INTR; + } return status; } @@ -1976,6 +1995,9 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) switch (tf->protocol) { case ATA_PROT_DMA: + if (tf->command == ATA_CMD_DSM) + return; + /* fall-thru */ case ATA_PROT_NCQ: break; /* continue below */ case ATA_PROT_PIO: @@ -2075,6 +2097,8 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) if ((tf->protocol != ATA_PROT_DMA) && (tf->protocol != ATA_PROT_NCQ)) return; + if (tf->command == ATA_CMD_DSM) + return; /* use bmdma for this */ /* Fill in Gen IIE command request block */ if (!(tf->flags & ATA_TFLAG_WRITE)) @@ -2270,6 +2294,12 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) switch (qc->tf.protocol) { case ATA_PROT_DMA: + if (qc->tf.command == ATA_CMD_DSM) { + if (!ap->ops->bmdma_setup) /* no bmdma on GEN_I */ + return AC_ERR_OTHER; + break; /* use bmdma for this */ + } + /* fall thru */ case ATA_PROT_NCQ: mv_start_edma(ap, port_mmio, pp, qc->tf.protocol); pp->req_idx = (pp->req_idx + 1) & MV_MAX_Q_DEPTH_MASK; diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 1eb4e020eb5c..ae2297cd29d8 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -1673,7 +1673,6 @@ static void nv_mcp55_freeze(struct ata_port *ap) mask = readl(mmio_base + NV_INT_ENABLE_MCP55); mask &= ~(NV_INT_ALL_MCP55 << shift); writel(mask, mmio_base + NV_INT_ENABLE_MCP55); - ata_sff_freeze(ap); } static void nv_mcp55_thaw(struct ata_port *ap) @@ -1687,7 +1686,6 @@ static void nv_mcp55_thaw(struct ata_port *ap) mask = readl(mmio_base + NV_INT_ENABLE_MCP55); mask |= (NV_INT_MASK_MCP55 << shift); writel(mask, mmio_base + NV_INT_ENABLE_MCP55); - ata_sff_thaw(ap); } static void nv_adma_error_handler(struct ata_port *ap) @@ -2478,8 +2476,7 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } pci_set_master(pdev); - return ata_host_activate(host, pdev->irq, ipriv->irq_handler, - IRQF_SHARED, ipriv->sht); + return ata_pci_sff_activate_host(host, ipriv->irq_handler, ipriv->sht); } #ifdef CONFIG_PM diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 02efd9a83d26..e35596b97853 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -558,6 +558,19 @@ static void svia_configure(struct pci_dev *pdev) tmp8 |= NATIVE_MODE_ALL; pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8); } + + /* + * vt6421 has problems talking to some drives. The following + * is the magic fix from Joseph Chan <JosephChan@via.com.tw>. + * Please add proper documentation if possible. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=15173 + */ + if (pdev->device == 0x3249) { + pci_read_config_byte(pdev, 0x52, &tmp8); + tmp8 |= 1 << 2; + pci_write_config_byte(pdev, 0x52, tmp8); + } } static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |