| /* |
| * ahci.c - AHCI SATA support |
| * |
| * Maintained by: Jeff Garzik <jgarzik@pobox.com> |
| * 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/init.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 = 5, |
| }; |
| |
| enum board_ids { |
| /* board IDs by feature in alphabetical order */ |
| board_ahci, |
| board_ahci_ign_iferr, |
| board_ahci_nosntf, |
| |
| /* board IDs for specific chipsets in alphabetical order */ |
| 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_sb600_softreset(struct ata_link *link, unsigned int *class, |
| unsigned long deadline); |
| static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, |
| unsigned long deadline); |
| 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 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_sb600_ops = { |
| .inherits = &ahci_ops, |
| .softreset = ahci_sb600_softreset, |
| .pmp_softreset = ahci_sb600_softreset, |
| }; |
| |
| #define AHCI_HFLAGS(flags) .private_data = (void *)(flags) |
| |
| 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_nosntf] = |
| { |
| AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF), |
| .flags = AHCI_FLAG_COMMON, |
| .pio_mask = ATA_PIO4, |
| .udma_mask = ATA_UDMA6, |
| .port_ops = &ahci_ops, |
| }, |
| /* by chipsets */ |
| [board_ahci_mcp65] = |
| { |
| AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP | |
| AHCI_HFLAG_YES_NCQ), |
| .flags = AHCI_FLAG_COMMON, |
| .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_NO_LEGACY | |
| ATA_FLAG_MMIO | 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_sb600_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_sb600_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 */ |
| |
| /* 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 }, |
| |
| /* 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 */ |
| /* 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 */ |
| |
| /* Marvell */ |
| { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */ |
| { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */ |
| |
| /* Promise */ |
| { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */ |
| |
| /* 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) |
| { |
| unsigned int force_port_map = 0; |
| unsigned int mask_port_map = 0; |
| |
| if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { |
| dev_info(&pdev->dev, "JMB361 has only one port\n"); |
| 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) |
| mask_port_map = 0x3; |
| else |
| 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, force_port_map, |
| mask_port_map); |
| } |
| |
| 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_sb600_check_ready(struct ata_link *link) |
| { |
| void __iomem *port_mmio = ahci_port_base(link->ap); |
| u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF; |
| u32 irq_status = readl(port_mmio + PORT_IRQ_STAT); |
| |
| /* |
| * There is no need to check TFDATA if BAD PMP is found due to HW bug, |
| * which can save timeout delay. |
| */ |
| if (irq_status & PORT_IRQ_BAD_PMP) |
| return -EIO; |
| |
| return ata_check_ready(status); |
| } |
| |
| static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class, |
| unsigned long deadline) |
| { |
| struct ata_port *ap = link->ap; |
| void __iomem *port_mmio = ahci_port_base(ap); |
| int pmp = sata_srst_pmp(link); |
| int rc; |
| u32 irq_sts; |
| |
| DPRINTK("ENTER\n"); |
| |
| rc = ahci_do_softreset(link, class, pmp, deadline, |
| ahci_sb600_check_ready); |
| |
| /* |
| * Soft reset fails on some ATI chips with IPMS set when PMP |
| * is enabled but SATA HDD/ODD is connected to SATA port, |
| * do soft reset again to port 0. |
| */ |
| if (rc == -EIO) { |
| irq_sts = readl(port_mmio + PORT_IRQ_STAT); |
| if (irq_sts & PORT_IRQ_BAD_PMP) { |
| ata_link_printk(link, KERN_WARNING, |
| "applying SB600 PMP SRST workaround " |
| "and retrying\n"); |
| rc = ahci_do_softreset(link, class, 0, deadline, |
| ahci_check_ready); |
| } |
| } |
| |
| return rc; |
| } |
| |
| static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, |
| unsigned long deadline) |
| { |
| struct ata_port *ap = link->ap; |
| 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); |
| |
| ahci_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; |
| 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 = 0x80; |
| ata_tf_to_fis(&tf, 0, 0, d2h_fis); |
| |
| rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), |
| deadline, &online, NULL); |
| |
| ahci_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; |
| } |
| |
| #ifdef CONFIG_PM |
| static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) |
| { |
| struct ata_host *host = dev_get_drvdata(&pdev->dev); |
| 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_printk(KERN_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 = dev_get_drvdata(&pdev->dev); |
| int rc; |
| |
| rc = ata_pci_device_do_resume(pdev); |
| if (rc) |
| return rc; |
| |
| 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 (using_dac && |
| !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { |
| rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| if (rc) { |
| rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (rc) { |
| dev_printk(KERN_ERR, &pdev->dev, |
| "64-bit DMA enable failed\n"); |
| return rc; |
| } |
| } |
| } else { |
| rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (rc) { |
| dev_printk(KERN_ERR, &pdev->dev, |
| "32-bit DMA enable failed\n"); |
| return rc; |
| } |
| rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (rc) { |
| dev_printk(KERN_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 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_printk(KERN_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; |
| } |
| } |
| |
| /* 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"), |
| }, |
| }, |
| { } |
| }; |
| 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_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, " |
| "forcing 32bit DMA, update BIOS\n", match->ident); |
| return false; |
| } |
| |
| enable_64bit: |
| dev_printk(KERN_WARNING, &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. 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); |
| 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); |
| } |
| |
| #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_printk(KERN_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_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
| { |
| static int printed_version; |
| 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; |
| |
| VPRINTK("ENTER\n"); |
| |
| WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS); |
| |
| if (!printed_version++) |
| dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); |
| |
| /* 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; |
| |
| /* |
| * For some reason, MCP89 on MacBook 7,1 doesn't work with |
| * ahci, use ata_generic instead. |
| */ |
| if (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) |
| return -ENODEV; |
| |
| /* 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_printk(KERN_INFO, &pdev->dev, "PDC42819 " |
| "can only drive SATA devices with this driver\n"); |
| |
| /* acquire resources */ |
| rc = pcim_enable_device(pdev); |
| if (rc) |
| return rc; |
| |
| /* 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; |
| |
| 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_printk(KERN_INFO, &pdev->dev, "controller is in " |
| "combined mode, can't enable AHCI mode\n"); |
| return -ENODEV; |
| } |
| } |
| |
| 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; |
| |
| if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev)) |
| pci_intx(pdev, 1); |
| |
| hpriv->mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR]; |
| |
| /* 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; |
| } |
| |
| 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_printk(KERN_WARNING, &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)); |
| |
| 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 |
| printk(KERN_INFO "ahci: 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 initial link pm policy */ |
| ap->pm_policy = NOT_AVAILABLE; |
| |
| /* set enclosure management message type */ |
| if (ap->flags & ATA_FLAG_EM) |
| ap->em_message_type = hpriv->em_msg_type; |
| |
| |
| /* 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 ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED, |
| &ahci_sht); |
| } |
| |
| static int __init ahci_init(void) |
| { |
| return pci_register_driver(&ahci_pci_driver); |
| } |
| |
| static void __exit ahci_exit(void) |
| { |
| pci_unregister_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); |
| |
| module_init(ahci_init); |
| module_exit(ahci_exit); |