diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 1564 |
1 files changed, 1564 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c new file mode 100644 index 000000000..52d04fc61 --- /dev/null +++ b/drivers/ata/ahci.c @@ -0,0 +1,1564 @@ +/* + * ahci.c - AHCI SATA support + * + * Maintained by: Tejun Heo <tj@kernel.org> + * Please ALWAYS copy linux-ide@vger.kernel.org + * on emails. + * + * Copyright 2004-2005 Red Hat, Inc. + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * libata documentation is available via 'make {ps|pdf}docs', + * as Documentation/DocBook/libata.* + * + * AHCI hardware documentation: + * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf + * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/blkdev.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/dma-mapping.h> +#include <linux/device.h> +#include <linux/dmi.h> +#include <linux/gfp.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_cmnd.h> +#include <linux/libata.h> +#include "ahci.h" + +#define DRV_NAME "ahci" +#define DRV_VERSION "3.0" + +enum { + AHCI_PCI_BAR_STA2X11 = 0, + AHCI_PCI_BAR_ENMOTUS = 2, + AHCI_PCI_BAR_STANDARD = 5, +}; + +enum board_ids { + /* board IDs by feature in alphabetical order */ + board_ahci, + board_ahci_ign_iferr, + board_ahci_nomsi, + board_ahci_noncq, + board_ahci_nosntf, + board_ahci_yes_fbs, + + /* board IDs for specific chipsets in alphabetical order */ + board_ahci_avn, + board_ahci_mcp65, + board_ahci_mcp77, + board_ahci_mcp89, + board_ahci_mv, + board_ahci_sb600, + board_ahci_sb700, /* for SB700 and SB800 */ + board_ahci_vt8251, + + /* aliases */ + board_ahci_mcp_linux = board_ahci_mcp65, + board_ahci_mcp67 = board_ahci_mcp65, + board_ahci_mcp73 = board_ahci_mcp65, + board_ahci_mcp79 = board_ahci_mcp77, +}; + +static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); +static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static void ahci_mcp89_apple_enable(struct pci_dev *pdev); +static bool is_mcp89_apple(struct pci_dev *pdev); +static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +#ifdef CONFIG_PM +static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); +static int ahci_pci_device_resume(struct pci_dev *pdev); +#endif + +static struct scsi_host_template ahci_sht = { + AHCI_SHT("ahci"), +}; + +static struct ata_port_operations ahci_vt8251_ops = { + .inherits = &ahci_ops, + .hardreset = ahci_vt8251_hardreset, +}; + +static struct ata_port_operations ahci_p5wdh_ops = { + .inherits = &ahci_ops, + .hardreset = ahci_p5wdh_hardreset, +}; + +static struct ata_port_operations ahci_avn_ops = { + .inherits = &ahci_ops, + .hardreset = ahci_avn_hardreset, +}; + +static const struct ata_port_info ahci_port_info[] = { + /* by features */ + [board_ahci] = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_ign_iferr] = { + AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_nomsi] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_MSI), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_noncq] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .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, + }, + [board_ahci_yes_fbs] = { + AHCI_HFLAGS (AHCI_HFLAG_YES_FBS), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + /* by chipsets */ + [board_ahci_avn] = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_avn_ops, + }, + [board_ahci_mcp65] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP | + AHCI_HFLAG_YES_NCQ), + .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_mcp77] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_mcp89] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_mv] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI | + AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP), + .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [board_ahci_sb600] = { + AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | + AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 | + AHCI_HFLAG_32BIT_ONLY), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_pmp_retry_srst_ops, + }, + [board_ahci_sb700] = { /* for SB700 and SB800 */ + AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_pmp_retry_srst_ops, + }, + [board_ahci_vt8251] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_vt8251_ops, + }, +}; + +static const struct pci_device_id ahci_pci_tbl[] = { + /* Intel */ + { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */ + { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */ + { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */ + { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */ + { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */ + { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */ + { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */ + { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */ + { 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_nosntf }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */ + { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */ + { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */ + { 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, 0x3a22), board_ahci }, /* ICH10 */ + { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */ + { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */ + { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */ + { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */ + { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */ + { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */ + { 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 */ + { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */ + { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */ + { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */ + { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */ + { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */ + { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */ + { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */ + { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */ + { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */ + { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */ + { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */ + { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */ + { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */ + { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */ + { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */ + { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */ + { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */ + { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */ + { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */ + { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */ + { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */ + { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */ + { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */ + { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */ + { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */ + { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */ + { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */ + { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */ + { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */ + { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */ + { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */ + { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */ + { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */ + { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */ + { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H 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, + PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr }, + /* JMicron 362B and 362C have an AHCI function with IDE class code */ + { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr }, + { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr }, + + /* ATI */ + { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */ + { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */ + { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */ + + /* AMD */ + { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ + { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ + /* AMD is using RAID class only for ahci controllers */ + { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci }, + + /* VIA */ + { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */ + { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */ + + /* NVIDIA */ + { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */ + { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */ + { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */ + { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */ + { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */ + { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */ + + /* SiS */ + { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */ + { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */ + { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */ + + /* ST Microelectronics */ + { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */ + + /* Marvell */ + { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */ + { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123), + .class = PCI_CLASS_STORAGE_SATA_AHCI, + .class_mask = 0xffffff, + .driver_data = board_ahci_yes_fbs }, /* 88se9128 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125), + .driver_data = board_ahci_yes_fbs }, /* 88se9125 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178, + PCI_VENDOR_ID_MARVELL_EXT, 0x9170), + .driver_data = board_ahci_yes_fbs }, /* 88se9170 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a), + .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172), + .driver_data = board_ahci_yes_fbs }, /* 88se9182 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182), + .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192), + .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0), + .driver_data = board_ahci_yes_fbs }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3), + .driver_data = board_ahci_yes_fbs }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230), + .driver_data = board_ahci_yes_fbs }, + { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), + .driver_data = board_ahci_yes_fbs }, + + /* Promise */ + { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */ + { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */ + + /* Asmedia */ + { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */ + { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */ + { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */ + { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ + + /* + * Samsung SSDs found on some macbooks. NCQ times out if MSI is + * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731 + */ + { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi }, + { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi }, + + /* Enmotus */ + { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, + + /* Generic, PCI class code for AHCI */ + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci }, + + { } /* terminate list */ +}; + + +static struct pci_driver ahci_pci_driver = { + .name = DRV_NAME, + .id_table = ahci_pci_tbl, + .probe = ahci_init_one, + .remove = ata_pci_remove_one, +#ifdef CONFIG_PM + .suspend = ahci_pci_device_suspend, + .resume = ahci_pci_device_resume, +#endif +}; + +#if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE) +static int marvell_enable; +#else +static int marvell_enable = 1; +#endif +module_param(marvell_enable, int, 0644); +MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)"); + + +static void ahci_pci_save_initial_config(struct pci_dev *pdev, + struct ahci_host_priv *hpriv) +{ + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { + dev_info(&pdev->dev, "JMB361 has only one port\n"); + hpriv->force_port_map = 1; + } + + /* + * Temporary Marvell 6145 hack: PATA port presence + * is asserted through the standard AHCI port + * presence register, as bit 4 (counting from 0) + */ + if (hpriv->flags & AHCI_HFLAG_MV_PATA) { + if (pdev->device == 0x6121) + hpriv->mask_port_map = 0x3; + else + hpriv->mask_port_map = 0xf; + dev_info(&pdev->dev, + "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n"); + } + + ahci_save_initial_config(&pdev->dev, hpriv); +} + +static int ahci_pci_reset_controller(struct ata_host *host) +{ + struct pci_dev *pdev = to_pci_dev(host->dev); + + ahci_reset_controller(host); + + if (pdev->vendor == PCI_VENDOR_ID_INTEL) { + struct ahci_host_priv *hpriv = host->private_data; + u16 tmp16; + + /* configure PCS */ + pci_read_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; +} + +static void ahci_pci_init_controller(struct ata_host *host) +{ + struct ahci_host_priv *hpriv = host->private_data; + struct pci_dev *pdev = to_pci_dev(host->dev); + void __iomem *port_mmio; + u32 tmp; + int mv; + + if (hpriv->flags & AHCI_HFLAG_MV_PATA) { + if (pdev->device == 0x6121) + mv = 2; + else + mv = 4; + port_mmio = __ahci_port_base(host, mv); + + writel(0, port_mmio + PORT_IRQ_MASK); + + /* clear port IRQ */ + tmp = readl(port_mmio + PORT_IRQ_STAT); + VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp); + if (tmp) + writel(tmp, port_mmio + PORT_IRQ_STAT); + } + + ahci_init_controller(host); +} + +static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + struct ata_port *ap = link->ap; + struct ahci_host_priv *hpriv = ap->host->private_data; + bool online; + int rc; + + DPRINTK("ENTER\n"); + + ahci_stop_engine(ap); + + rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), + deadline, &online, NULL); + + hpriv->start_engine(ap); + + DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class); + + /* vt8251 doesn't clear BSY on signature FIS reception, + * request follow-up softreset. + */ + return online ? -EAGAIN : rc; +} + +static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + struct ata_port *ap = link->ap; + struct ahci_port_priv *pp = ap->private_data; + struct ahci_host_priv *hpriv = ap->host->private_data; + u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; + struct ata_taskfile tf; + bool online; + int rc; + + ahci_stop_engine(ap); + + /* clear D2H reception area to properly wait for D2H FIS */ + ata_tf_init(link->device, &tf); + tf.command = ATA_BUSY; + ata_tf_to_fis(&tf, 0, 0, d2h_fis); + + rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), + deadline, &online, NULL); + + hpriv->start_engine(ap); + + /* The pseudo configuration device on SIMG4726 attached to + * ASUS P5W-DH Deluxe doesn't send signature FIS after + * hardreset if no device is attached to the first downstream + * port && the pseudo device locks up on SRST w/ PMP==0. To + * work around this, wait for !BSY only briefly. If BSY isn't + * cleared, perform CLO and proceed to IDENTIFY (achieved by + * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA). + * + * Wait for two seconds. Devices attached to downstream port + * which can't process the following IDENTIFY after this will + * have to be reset again. For most cases, this should + * suffice while making probing snappish enough. + */ + if (online) { + rc = ata_wait_after_reset(link, jiffies + 2 * HZ, + ahci_check_ready); + if (rc) + ahci_kick_engine(ap); + } + return rc; +} + +/* + * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports. + * + * It has been observed with some SSDs that the timing of events in the + * link synchronization phase can leave the port in a state that can not + * be recovered by a SATA-hard-reset alone. The failing signature is + * SStatus.DET stuck at 1 ("Device presence detected but Phy + * communication not established"). It was found that unloading and + * reloading the driver when this problem occurs allows the drive + * connection to be recovered (DET advanced to 0x3). The critical + * component of reloading the driver is that the port state machines are + * reset by bouncing "port enable" in the AHCI PCS configuration + * register. So, reproduce that effect by bouncing a port whenever we + * see DET==1 after a reset. + */ +static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context); + struct ata_port *ap = link->ap; + struct ahci_port_priv *pp = ap->private_data; + struct ahci_host_priv *hpriv = ap->host->private_data; + u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; + unsigned long tmo = deadline - jiffies; + struct ata_taskfile tf; + bool online; + int rc, i; + + DPRINTK("ENTER\n"); + + ahci_stop_engine(ap); + + for (i = 0; i < 2; i++) { + u16 val; + u32 sstatus; + int port = ap->port_no; + struct ata_host *host = ap->host; + struct pci_dev *pdev = to_pci_dev(host->dev); + + /* clear D2H reception area to properly wait for D2H FIS */ + ata_tf_init(link->device, &tf); + tf.command = ATA_BUSY; + ata_tf_to_fis(&tf, 0, 0, d2h_fis); + + rc = sata_link_hardreset(link, timing, deadline, &online, + ahci_check_ready); + + if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 || + (sstatus & 0xf) != 1) + break; + + ata_link_printk(link, KERN_INFO, "avn bounce port%d\n", + port); + + pci_read_config_word(pdev, 0x92, &val); + val &= ~(1 << port); + pci_write_config_word(pdev, 0x92, val); + ata_msleep(ap, 1000); + val |= 1 << port; + pci_write_config_word(pdev, 0x92, val); + deadline += tmo; + } + + hpriv->start_engine(ap); + + if (online) + *class = ahci_dev_classify(ap); + + DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class); + return rc; +} + + +#ifdef CONFIG_PM +static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) +{ + struct ata_host *host = pci_get_drvdata(pdev); + struct ahci_host_priv *hpriv = host->private_data; + void __iomem *mmio = hpriv->mmio; + u32 ctl; + + if (mesg.event & PM_EVENT_SUSPEND && + hpriv->flags & AHCI_HFLAG_NO_SUSPEND) { + dev_err(&pdev->dev, + "BIOS update required for suspend/resume\n"); + return -EIO; + } + + if (mesg.event & PM_EVENT_SLEEP) { + /* AHCI spec rev1.1 section 8.3.3: + * Software must disable interrupts prior to requesting a + * transition of the HBA to D3 state. + */ + ctl = readl(mmio + HOST_CTL); + ctl &= ~HOST_IRQ_EN; + writel(ctl, mmio + HOST_CTL); + readl(mmio + HOST_CTL); /* flush */ + } + + return ata_pci_device_suspend(pdev, mesg); +} + +static int ahci_pci_device_resume(struct pci_dev *pdev) +{ + struct ata_host *host = pci_get_drvdata(pdev); + int rc; + + rc = ata_pci_device_do_resume(pdev); + if (rc) + return rc; + + /* Apple BIOS helpfully mangles the registers on resume */ + if (is_mcp89_apple(pdev)) + ahci_mcp89_apple_enable(pdev); + + if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { + rc = ahci_pci_reset_controller(host); + if (rc) + return rc; + + ahci_pci_init_controller(host); + } + + ata_host_resume(host); + + return 0; +} +#endif + +static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac) +{ + int rc; + + /* + * If the device fixup already set the dma_mask to some non-standard + * value, don't extend it here. This happens on STA2X11, for example. + */ + if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32)) + return 0; + + if (using_dac && + !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { + rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); + if (rc) { + rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(&pdev->dev, + "64-bit DMA enable failed\n"); + return rc; + } + } + } else { + rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(&pdev->dev, "32-bit DMA enable failed\n"); + return rc; + } + rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(&pdev->dev, + "32-bit consistent DMA enable failed\n"); + return rc; + } + } + return 0; +} + +static void ahci_pci_print_info(struct ata_host *host) +{ + struct pci_dev *pdev = to_pci_dev(host->dev); + u16 cc; + const char *scc_s; + + pci_read_config_word(pdev, 0x0a, &cc); + if (cc == PCI_CLASS_STORAGE_IDE) + scc_s = "IDE"; + else if (cc == PCI_CLASS_STORAGE_SATA) + scc_s = "SATA"; + else if (cc == PCI_CLASS_STORAGE_RAID) + scc_s = "RAID"; + else + scc_s = "unknown"; + + ahci_print_info(host, scc_s); +} + +/* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is + * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't + * support PMP and the 4726 either directly exports the device + * attached to the first downstream port or acts as a hardware storage + * controller and emulate a single ATA device (can be RAID 0/1 or some + * other configuration). + * + * When there's no device attached to the first downstream port of the + * 4726, "Config Disk" appears, which is a pseudo ATA device to + * configure the 4726. However, ATA emulation of the device is very + * lame. It doesn't send signature D2H Reg FIS after the initial + * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues. + * + * The following function works around the problem by always using + * hardreset on the port and not depending on receiving signature FIS + * afterward. If signature FIS isn't received soon, ATA class is + * assumed without follow-up softreset. + */ +static void ahci_p5wdh_workaround(struct ata_host *host) +{ + static const struct dmi_system_id sysids[] = { + { + .ident = "P5W DH Deluxe", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "ASUSTEK COMPUTER INC"), + DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"), + }, + }, + { } + }; + struct pci_dev *pdev = to_pci_dev(host->dev); + + if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) && + dmi_check_system(sysids)) { + struct ata_port *ap = host->ports[1]; + + dev_info(&pdev->dev, + "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n"); + + ap->ops = &ahci_p5wdh_ops; + ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; + } +} + +/* + * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when + * booting in BIOS compatibility mode. We restore the registers but not ID. + */ +static void ahci_mcp89_apple_enable(struct pci_dev *pdev) +{ + u32 val; + + printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n"); + + pci_read_config_dword(pdev, 0xf8, &val); + val |= 1 << 0x1b; + /* the following changes the device ID, but appears not to affect function */ + /* val = (val & ~0xf0000000) | 0x80000000; */ + pci_write_config_dword(pdev, 0xf8, val); + + pci_read_config_dword(pdev, 0x54c, &val); + val |= 1 << 0xc; + pci_write_config_dword(pdev, 0x54c, val); + + pci_read_config_dword(pdev, 0x4a4, &val); + val &= 0xff; + val |= 0x01060100; + pci_write_config_dword(pdev, 0x4a4, val); + + pci_read_config_dword(pdev, 0x54c, &val); + val &= ~(1 << 0xc); + pci_write_config_dword(pdev, 0x54c, val); + + pci_read_config_dword(pdev, 0xf8, &val); + val &= ~(1 << 0x1b); + pci_write_config_dword(pdev, 0xf8, val); +} + +static bool is_mcp89_apple(struct pci_dev *pdev) +{ + return pdev->vendor == PCI_VENDOR_ID_NVIDIA && + pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA && + pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE && + pdev->subsystem_device == 0xcb89; +} + +/* only some SB600 ahci controllers can do 64bit DMA */ +static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) +{ + static const struct dmi_system_id sysids[] = { + /* + * The oldest version known to be broken is 0901 and + * working is 1501 which was released on 2007-10-26. + * Enable 64bit DMA on 1501 and anything newer. + * + * Please read bko#9412 for more info. + */ + { + .ident = "ASUS M2A-VM", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"), + }, + .driver_data = "20071026", /* yyyymmdd */ + }, + /* + * All BIOS versions for the MSI K9A2 Platinum (MS-7376) + * support 64bit DMA. + * + * BIOS versions earlier than 1.5 had the Manufacturer DMI + * fields as "MICRO-STAR INTERANTIONAL CO.,LTD". + * This spelling mistake was fixed in BIOS version 1.5, so + * 1.5 and later have the Manufacturer as + * "MICRO-STAR INTERNATIONAL CO.,LTD". + * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER". + * + * BIOS versions earlier than 1.9 had a Board Product Name + * DMI field of "MS-7376". This was changed to be + * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still + * match on DMI_BOARD_NAME of "MS-7376". + */ + { + .ident = "MSI K9A2 Platinum", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "MICRO-STAR INTER"), + DMI_MATCH(DMI_BOARD_NAME, "MS-7376"), + }, + }, + /* + * All BIOS versions for the MSI K9AGM2 (MS-7327) support + * 64bit DMA. + * + * This board also had the typo mentioned above in the + * Manufacturer DMI field (fixed in BIOS version 1.5), so + * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again. + */ + { + .ident = "MSI K9AGM2", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "MICRO-STAR INTER"), + DMI_MATCH(DMI_BOARD_NAME, "MS-7327"), + }, + }, + /* + * All BIOS versions for the Asus M3A support 64bit DMA. + * (all release versions from 0301 to 1206 were tested) + */ + { + .ident = "ASUS M3A", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "M3A"), + }, + }, + { } + }; + const struct dmi_system_id *match; + int year, month, date; + char buf[9]; + + match = dmi_first_match(sysids); + if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) || + !match) + return false; + + if (!match->driver_data) + goto enable_64bit; + + dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); + snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); + + if (strcmp(buf, match->driver_data) >= 0) + goto enable_64bit; + else { + dev_warn(&pdev->dev, + "%s: BIOS too old, forcing 32bit DMA, update BIOS\n", + match->ident); + return false; + } + +enable_64bit: + dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident); + return true; +} + +static bool ahci_broken_system_poweroff(struct pci_dev *pdev) +{ + static const struct dmi_system_id broken_systems[] = { + { + .ident = "HP Compaq nx6310", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x1FUL, + }, + { + .ident = "HP Compaq 6720s", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x1FUL, + }, + + { } /* terminate list */ + }; + const struct dmi_system_id *dmi = dmi_first_match(broken_systems); + + if (dmi) { + unsigned long slot = (unsigned long)dmi->driver_data; + /* apply the quirk only to on-board controllers */ + return slot == PCI_SLOT(pdev->devfn); + } + + return false; +} + +static bool ahci_broken_suspend(struct pci_dev *pdev) +{ + static const struct dmi_system_id sysids[] = { + /* + * 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", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP Pavilion dv4 Notebook PC"), + }, + .driver_data = "20090105", /* F.30 */ + }, + { + .ident = "dv5", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP Pavilion dv5 Notebook PC"), + }, + .driver_data = "20090506", /* F.16 */ + }, + { + .ident = "dv6", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP Pavilion dv6 Notebook PC"), + }, + .driver_data = "20090423", /* F.21 */ + }, + { + .ident = "HDX18", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, + "HP HDX18 Notebook PC"), + }, + .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. Between, 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); + int year, month, date; + char buf[9]; + + if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2)) + return false; + + dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); + snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); + + return strcmp(buf, dmi->driver_data) < 0; +} + +static bool ahci_broken_online(struct pci_dev *pdev) +{ +#define ENCODE_BUSDEVFN(bus, slot, func) \ + (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func))) + static const struct dmi_system_id sysids[] = { + /* + * There are several gigabyte boards which use + * SIMG5723s configured as hardware RAID. Certain + * 5723 firmware revisions shipped there keep the link + * online but fail to answer properly to SRST or + * IDENTIFY when no device is attached downstream + * causing libata to retry quite a few times leading + * to excessive detection delay. + * + * As these firmwares respond to the second reset try + * with invalid device signature, considering unknown + * sig as offline works around the problem acceptably. + */ + { + .ident = "EP45-DQ6", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "Gigabyte Technology Co., Ltd."), + DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"), + }, + .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0), + }, + { + .ident = "EP45-DS5", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "Gigabyte Technology Co., Ltd."), + DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"), + }, + .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0), + }, + { } /* terminate list */ + }; +#undef ENCODE_BUSDEVFN + const struct dmi_system_id *dmi = dmi_first_match(sysids); + unsigned int val; + + if (!dmi) + return false; + + val = (unsigned long)dmi->driver_data; + + return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff); +} + +static bool ahci_broken_devslp(struct pci_dev *pdev) +{ + /* device with broken DEVSLP but still showing SDS capability */ + static const struct pci_device_id ids[] = { + { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */ + {} + }; + + return pci_match_id(ids, pdev); +} + +#ifdef CONFIG_ATA_ACPI +static void ahci_gtf_filter_workaround(struct ata_host *host) +{ + static const struct dmi_system_id sysids[] = { + /* + * Aspire 3810T issues a bunch of SATA enable commands + * via _GTF including an invalid one and one which is + * rejected by the device. Among the successful ones + * is FPDMA non-zero offset enable which when enabled + * only on the drive side leads to NCQ command + * failures. Filter it out. + */ + { + .ident = "Aspire 3810T", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"), + }, + .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET, + }, + { } + }; + const struct dmi_system_id *dmi = dmi_first_match(sysids); + unsigned int filter; + int i; + + if (!dmi) + return; + + filter = (unsigned long)dmi->driver_data; + dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n", + filter, dmi->ident); + + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + struct ata_link *link; + struct ata_device *dev; + + ata_for_each_link(link, ap, EDGE) + ata_for_each_dev(dev, link, ALL) + dev->gtf_filter |= filter; + } +} +#else +static inline void ahci_gtf_filter_workaround(struct ata_host *host) +{} +#endif + +static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, + struct ahci_host_priv *hpriv) +{ + int rc, nvec; + + if (hpriv->flags & AHCI_HFLAG_NO_MSI) + goto intx; + + nvec = pci_msi_vec_count(pdev); + if (nvec < 0) + goto intx; + + /* + * If number of MSIs is less than number of ports then Sharing Last + * Message mode could be enforced. In this case assume that advantage + * of multipe MSIs is negated and use single MSI mode instead. + */ + if (nvec < n_ports) + goto single_msi; + + rc = pci_enable_msi_exact(pdev, nvec); + if (rc == -ENOSPC) + goto single_msi; + else if (rc < 0) + goto intx; + + /* fallback to single MSI mode if the controller enforced MRSM mode */ + if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) { + pci_disable_msi(pdev); + printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n"); + goto single_msi; + } + + if (nvec > 1) + hpriv->flags |= AHCI_HFLAG_MULTI_MSI; + + return nvec; + +single_msi: + if (pci_enable_msi(pdev)) + goto intx; + return 1; + +intx: + pci_intx(pdev, 1); + return 0; +} + +static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + unsigned int board_id = ent->driver_data; + struct ata_port_info pi = ahci_port_info[board_id]; + const struct ata_port_info *ppi[] = { &pi, NULL }; + struct device *dev = &pdev->dev; + struct ahci_host_priv *hpriv; + struct ata_host *host; + int n_ports, i, rc; + int ahci_pci_bar = AHCI_PCI_BAR_STANDARD; + + VPRINTK("ENTER\n"); + + WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS); + + ata_print_version_once(&pdev->dev, DRV_VERSION); + + /* The AHCI driver can only drive the SATA ports, the PATA driver + can drive them all so if both drivers are selected make sure + AHCI stays out of the way */ + if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable) + return -ENODEV; + + /* Apple BIOS on MCP89 prevents us using AHCI */ + if (is_mcp89_apple(pdev)) + ahci_mcp89_apple_enable(pdev); + + /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode. + * At the moment, we can only use the AHCI mode. Let the users know + * that for SAS drives they're out of luck. + */ + if (pdev->vendor == PCI_VENDOR_ID_PROMISE) + dev_info(&pdev->dev, + "PDC42819 can only drive SATA devices with this driver\n"); + + /* Both Connext and Enmotus devices use non-standard BARs */ + if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06) + ahci_pci_bar = AHCI_PCI_BAR_STA2X11; + else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) + ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; + + /* + * The JMicron chip 361/363 contains one SATA controller and one + * PATA controller,for powering on these both controllers, we must + * follow the sequence one by one, otherwise one of them can not be + * powered on successfully, so here we disable the async suspend + * method for these chips. + */ + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && + (pdev->device == PCI_DEVICE_ID_JMICRON_JMB363 || + pdev->device == PCI_DEVICE_ID_JMICRON_JMB361)) + device_disable_async_suspend(&pdev->dev); + + /* acquire resources */ + rc = pcim_enable_device(pdev); + if (rc) + return rc; + + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == 0x2652 || pdev->device == 0x2653)) { + u8 map; + + /* ICH6s share the same PCI ID for both piix and ahci + * modes. Enabling ahci mode while MAP indicates + * combined mode is a bad idea. Yield to ata_piix. + */ + pci_read_config_byte(pdev, ICH_MAP, &map); + if (map & 0x3) { + dev_info(&pdev->dev, + "controller is in combined mode, can't enable AHCI mode\n"); + return -ENODEV; + } + } + + /* AHCI controllers often implement SFF compatible interface. + * Grab all PCI BARs just in case. + */ + rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME); + if (rc == -EBUSY) + pcim_pin_device(pdev); + if (rc) + return rc; + + hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) + return -ENOMEM; + hpriv->flags |= (unsigned long)pi.private_data; + + /* MCP65 revision A1 and A2 can't do MSI */ + if (board_id == board_ahci_mcp65 && + (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; + + /* only some SB600s can do 64bit DMA */ + if (ahci_sb600_enable_64bit(pdev)) + hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY; + + hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar]; + + /* must set flag prior to save config in order to take effect */ + if (ahci_broken_devslp(pdev)) + hpriv->flags |= AHCI_HFLAG_NO_DEVSLP; + + /* save initial config */ + ahci_pci_save_initial_config(pdev, hpriv); + + /* prepare host */ + 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 + * capability, but it seems to be broken on some + * chipsets including NVIDIAs. + */ + if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA)) + pi.flags |= ATA_FLAG_FPDMA_AA; + + /* + * All AHCI controllers should be forward-compatible + * with the new auxiliary field. This code should be + * conditionalized if any buggy AHCI controllers are + * encountered. + */ + pi.flags |= ATA_FLAG_FPDMA_AUX; + } + + if (hpriv->cap & HOST_CAP_PMP) + pi.flags |= ATA_FLAG_PMP; + + ahci_set_em_messages(hpriv, &pi); + + if (ahci_broken_system_poweroff(pdev)) { + pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN; + dev_info(&pdev->dev, + "quirky BIOS, skipping spindown on poweroff\n"); + } + + if (ahci_broken_suspend(pdev)) { + hpriv->flags |= AHCI_HFLAG_NO_SUSPEND; + dev_warn(&pdev->dev, + "BIOS update required for suspend/resume\n"); + } + + if (ahci_broken_online(pdev)) { + hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE; + dev_info(&pdev->dev, + "online status unreliable, applying workaround\n"); + } + + /* 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)); + + ahci_init_interrupts(pdev, n_ports, hpriv); + + host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); + if (!host) + return -ENOMEM; + host->private_data = hpriv; + + if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss) + host->flags |= ATA_HOST_PARALLEL_SCAN; + else + dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n"); + + if (pi.flags & ATA_FLAG_EM) + ahci_reset_em(host); + + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + + ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar"); + ata_port_pbar_desc(ap, ahci_pci_bar, + 0x100 + ap->port_no * 0x80, "port"); + + /* set enclosure management message type */ + if (ap->flags & ATA_FLAG_EM) + ap->em_message_type = hpriv->em_msg_type; + + rc = ahci_setup_port_privdata(ap); + if (rc) + return rc; + + /* disabled/not-implemented port */ + if (!(hpriv->port_map & (1 << i))) + ap->ops = &ata_dummy_port_ops; + } + + /* apply workaround for ASUS P5W DH Deluxe mainboard */ + ahci_p5wdh_workaround(host); + + /* apply gtf filter quirk */ + ahci_gtf_filter_workaround(host); + + /* initialize adapter */ + rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64); + if (rc) + return rc; + + rc = ahci_pci_reset_controller(host); + if (rc) + return rc; + + ahci_pci_init_controller(host); + ahci_pci_print_info(host); + + pci_set_master(pdev); + + return ahci_host_activate(host, pdev->irq, &ahci_sht); +} + +module_pci_driver(ahci_pci_driver); + +MODULE_AUTHOR("Jeff Garzik"); +MODULE_DESCRIPTION("AHCI SATA low-level driver"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, ahci_pci_tbl); +MODULE_VERSION(DRV_VERSION); |