| 1 | /* |
| 2 | * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org> |
| 3 | * Portions (C) Copyright 2002 Red Hat Inc |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2, or (at your option) any |
| 8 | * later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * For the avoidance of doubt the "preferred form" of this code is one which |
| 16 | * is in an open non patent encumbered format. Where cryptographic key signing |
| 17 | * forms part of the process of creating an executable the information |
| 18 | * including keys needed to generate an equivalently functional executable |
| 19 | * are deemed to be part of the source code. |
| 20 | */ |
| 21 | |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/module.h> |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/pci.h> |
| 26 | #include <linux/ide.h> |
| 27 | #include <linux/init.h> |
| 28 | |
| 29 | #define DRV_NAME "ide_pci_generic" |
| 30 | |
| 31 | static int ide_generic_all; /* Set to claim all devices */ |
| 32 | |
| 33 | module_param_named(all_generic_ide, ide_generic_all, bool, 0444); |
| 34 | MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers."); |
| 35 | |
| 36 | static void netcell_quirkproc(ide_drive_t *drive) |
| 37 | { |
| 38 | /* mark words 85-87 as valid */ |
| 39 | drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000; |
| 40 | } |
| 41 | |
| 42 | static const struct ide_port_ops netcell_port_ops = { |
| 43 | .quirkproc = netcell_quirkproc, |
| 44 | }; |
| 45 | |
| 46 | #define DECLARE_GENERIC_PCI_DEV(extra_flags) \ |
| 47 | { \ |
| 48 | .name = DRV_NAME, \ |
| 49 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \ |
| 50 | extra_flags, \ |
| 51 | .swdma_mask = ATA_SWDMA2, \ |
| 52 | .mwdma_mask = ATA_MWDMA2, \ |
| 53 | .udma_mask = ATA_UDMA6, \ |
| 54 | } |
| 55 | |
| 56 | static const struct ide_port_info generic_chipsets[] __devinitdata = { |
| 57 | /* 0: Unknown */ |
| 58 | DECLARE_GENERIC_PCI_DEV(0), |
| 59 | |
| 60 | { /* 1: NS87410 */ |
| 61 | .name = DRV_NAME, |
| 62 | .enablebits = { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} }, |
| 63 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA, |
| 64 | .swdma_mask = ATA_SWDMA2, |
| 65 | .mwdma_mask = ATA_MWDMA2, |
| 66 | .udma_mask = ATA_UDMA6, |
| 67 | }, |
| 68 | |
| 69 | /* 2: SAMURAI / HT6565 / HINT_IDE */ |
| 70 | DECLARE_GENERIC_PCI_DEV(0), |
| 71 | /* 3: UM8673F / UM8886A / UM8886BF */ |
| 72 | DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_DMA), |
| 73 | /* 4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */ |
| 74 | DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA), |
| 75 | |
| 76 | { /* 5: VIA8237SATA */ |
| 77 | .name = DRV_NAME, |
| 78 | .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | |
| 79 | IDE_HFLAG_OFF_BOARD, |
| 80 | .swdma_mask = ATA_SWDMA2, |
| 81 | .mwdma_mask = ATA_MWDMA2, |
| 82 | .udma_mask = ATA_UDMA6, |
| 83 | }, |
| 84 | |
| 85 | { /* 6: Revolution */ |
| 86 | .name = DRV_NAME, |
| 87 | .port_ops = &netcell_port_ops, |
| 88 | .host_flags = IDE_HFLAG_CLEAR_SIMPLEX | |
| 89 | IDE_HFLAG_TRUST_BIOS_FOR_DMA | |
| 90 | IDE_HFLAG_OFF_BOARD, |
| 91 | .swdma_mask = ATA_SWDMA2, |
| 92 | .mwdma_mask = ATA_MWDMA2, |
| 93 | .udma_mask = ATA_UDMA6, |
| 94 | } |
| 95 | }; |
| 96 | |
| 97 | /** |
| 98 | * generic_init_one - called when a PIIX is found |
| 99 | * @dev: the generic device |
| 100 | * @id: the matching pci id |
| 101 | * |
| 102 | * Called when the PCI registration layer (or the IDE initialization) |
| 103 | * finds a device matching our IDE device tables. |
| 104 | */ |
| 105 | |
| 106 | static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 107 | { |
| 108 | const struct ide_port_info *d = &generic_chipsets[id->driver_data]; |
| 109 | int ret = -ENODEV; |
| 110 | |
| 111 | /* Don't use the generic entry unless instructed to do so */ |
| 112 | if (id->driver_data == 0 && ide_generic_all == 0) |
| 113 | goto out; |
| 114 | |
| 115 | switch (dev->vendor) { |
| 116 | case PCI_VENDOR_ID_UMC: |
| 117 | if (dev->device == PCI_DEVICE_ID_UMC_UM8886A && |
| 118 | !(PCI_FUNC(dev->devfn) & 1)) |
| 119 | goto out; /* UM8886A/BF pair */ |
| 120 | break; |
| 121 | case PCI_VENDOR_ID_OPTI: |
| 122 | if (dev->device == PCI_DEVICE_ID_OPTI_82C558 && |
| 123 | !(PCI_FUNC(dev->devfn) & 1)) |
| 124 | goto out; |
| 125 | break; |
| 126 | case PCI_VENDOR_ID_JMICRON: |
| 127 | if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 && |
| 128 | PCI_FUNC(dev->devfn) != 1) |
| 129 | goto out; |
| 130 | break; |
| 131 | case PCI_VENDOR_ID_NS: |
| 132 | if (dev->device == PCI_DEVICE_ID_NS_87410 && |
| 133 | (dev->class >> 8) != PCI_CLASS_STORAGE_IDE) |
| 134 | goto out; |
| 135 | break; |
| 136 | } |
| 137 | |
| 138 | if (dev->vendor != PCI_VENDOR_ID_JMICRON) { |
| 139 | u16 command; |
| 140 | pci_read_config_word(dev, PCI_COMMAND, &command); |
| 141 | if (!(command & PCI_COMMAND_IO)) { |
| 142 | printk(KERN_INFO "%s %s: skipping disabled " |
| 143 | "controller\n", d->name, pci_name(dev)); |
| 144 | goto out; |
| 145 | } |
| 146 | } |
| 147 | ret = ide_pci_init_one(dev, d, NULL); |
| 148 | out: |
| 149 | return ret; |
| 150 | } |
| 151 | |
| 152 | static const struct pci_device_id generic_pci_tbl[] = { |
| 153 | { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_87410), 1 }, |
| 154 | { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), 2 }, |
| 155 | { PCI_VDEVICE(HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), 2 }, |
| 156 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8673F), 3 }, |
| 157 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886A), 3 }, |
| 158 | { PCI_VDEVICE(UMC, PCI_DEVICE_ID_UMC_UM8886BF), 3 }, |
| 159 | { PCI_VDEVICE(HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), 2 }, |
| 160 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C561), 4 }, |
| 161 | { PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C558), 4 }, |
| 162 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
| 163 | { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237_SATA), 5 }, |
| 164 | #endif |
| 165 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), 4 }, |
| 166 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), 4 }, |
| 167 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_3), 4 }, |
| 168 | { PCI_VDEVICE(TOSHIBA, PCI_DEVICE_ID_TOSHIBA_PICCOLO_5), 4 }, |
| 169 | { PCI_VDEVICE(NETCELL, PCI_DEVICE_ID_REVOLUTION), 6 }, |
| 170 | /* |
| 171 | * Must come last. If you add entries adjust |
| 172 | * this table and generic_chipsets[] appropriately. |
| 173 | */ |
| 174 | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 }, |
| 175 | { 0, }, |
| 176 | }; |
| 177 | MODULE_DEVICE_TABLE(pci, generic_pci_tbl); |
| 178 | |
| 179 | static struct pci_driver generic_pci_driver = { |
| 180 | .name = "PCI_IDE", |
| 181 | .id_table = generic_pci_tbl, |
| 182 | .probe = generic_init_one, |
| 183 | .remove = ide_pci_remove, |
| 184 | .suspend = ide_pci_suspend, |
| 185 | .resume = ide_pci_resume, |
| 186 | }; |
| 187 | |
| 188 | static int __init generic_ide_init(void) |
| 189 | { |
| 190 | return ide_pci_register_driver(&generic_pci_driver); |
| 191 | } |
| 192 | |
| 193 | static void __exit generic_ide_exit(void) |
| 194 | { |
| 195 | pci_unregister_driver(&generic_pci_driver); |
| 196 | } |
| 197 | |
| 198 | module_init(generic_ide_init); |
| 199 | module_exit(generic_ide_exit); |
| 200 | |
| 201 | MODULE_AUTHOR("Andre Hedrick"); |
| 202 | MODULE_DESCRIPTION("PCI driver module for generic PCI IDE"); |
| 203 | MODULE_LICENSE("GPL"); |