drivers/ide/via82cxxx.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
via_set_speed
via_set_drive
via_set_pio_mode
via_config_find
via_cable_detect
init_chipset_via82cxxx
via_cable_override
via82cxxx_cable_detect
via_init_one
via_remove
via_ide_init
via_ide_exit
   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * VIA IDE driver for Linux. Supported southbridges:
   4  *
   5  *   vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
   6  *   vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a,
   7  *   vt8235, vt8237, vt8237a
   8  *
   9  * Copyright (c) 2000-2002 Vojtech Pavlik
  10  * Copyright (c) 2007-2010 Bartlomiej Zolnierkiewicz
  11  *
  12  * Based on the work of:
  13  *      Michel Aubry
  14  *      Jeff Garzik
  15  *      Andre Hedrick
  16  *
  17  * Documentation:
  18  *      Obsolete device documentation publicly available from via.com.tw
  19  *      Current device documentation available under NDA only
  20  */
  21 
  22 
  23 #include <linux/module.h>
  24 #include <linux/kernel.h>
  25 #include <linux/slab.h>
  26 #include <linux/pci.h>
  27 #include <linux/init.h>
  28 #include <linux/ide.h>
  29 #include <linux/dmi.h>
  30 
  31 #ifdef CONFIG_PPC_CHRP
  32 #include <asm/processor.h>
  33 #endif
  34 
  35 #define DRV_NAME "via82cxxx"
  36 
  37 #define VIA_IDE_ENABLE          0x40
  38 #define VIA_IDE_CONFIG          0x41
  39 #define VIA_FIFO_CONFIG         0x43
  40 #define VIA_MISC_1              0x44
  41 #define VIA_MISC_2              0x45
  42 #define VIA_MISC_3              0x46
  43 #define VIA_DRIVE_TIMING        0x48
  44 #define VIA_8BIT_TIMING         0x4e
  45 #define VIA_ADDRESS_SETUP       0x4c
  46 #define VIA_UDMA_TIMING         0x50
  47 
  48 #define VIA_BAD_PREQ            0x01 /* Crashes if PREQ# till DDACK# set */
  49 #define VIA_BAD_CLK66           0x02 /* 66 MHz clock doesn't work correctly */
  50 #define VIA_SET_FIFO            0x04 /* Needs to have FIFO split set */
  51 #define VIA_NO_UNMASK           0x08 /* Doesn't work with IRQ unmasking on */
  52 #define VIA_BAD_ID              0x10 /* Has wrong vendor ID (0x1107) */
  53 #define VIA_BAD_AST             0x20 /* Don't touch Address Setup Timing */
  54 #define VIA_SATA_PATA           0x80 /* SATA/PATA combined configuration */
  55 
  56 enum {
  57         VIA_IDFLAG_SINGLE = (1 << 1), /* single channel controller */
  58 };
  59 
  60 /*
  61  * VIA SouthBridge chips.
  62  */
  63 
  64 static struct via_isa_bridge {
  65         char *name;
  66         u16 id;
  67         u8 rev_min;
  68         u8 rev_max;
  69         u8 udma_mask;
  70         u8 flags;
  71 } via_isa_bridges[] = {
  72         { "vx855",      PCI_DEVICE_ID_VIA_VX855,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
  73         { "vx800",      PCI_DEVICE_ID_VIA_VX800,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
  74         { "cx700",      PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
  75         { "vt8261",     PCI_DEVICE_ID_VIA_8261,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  76         { "vt8237s",    PCI_DEVICE_ID_VIA_8237S,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  77         { "vt6410",     PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  78         { "vt6415",     PCI_DEVICE_ID_VIA_6415,     0x00, 0xff, ATA_UDMA6, VIA_BAD_AST },
  79         { "vt8251",     PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  80         { "vt8237",     PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  81         { "vt8237a",    PCI_DEVICE_ID_VIA_8237A,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  82         { "vt8235",     PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  83         { "vt8233a",    PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
  84         { "vt8233c",    PCI_DEVICE_ID_VIA_8233C_0,  0x00, 0x2f, ATA_UDMA5, },
  85         { "vt8233",     PCI_DEVICE_ID_VIA_8233_0,   0x00, 0x2f, ATA_UDMA5, },
  86         { "vt8231",     PCI_DEVICE_ID_VIA_8231,     0x00, 0x2f, ATA_UDMA5, },
  87         { "vt82c686b",  PCI_DEVICE_ID_VIA_82C686,   0x40, 0x4f, ATA_UDMA5, },
  88         { "vt82c686a",  PCI_DEVICE_ID_VIA_82C686,   0x10, 0x2f, ATA_UDMA4, },
  89         { "vt82c686",   PCI_DEVICE_ID_VIA_82C686,   0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
  90         { "vt82c596b",  PCI_DEVICE_ID_VIA_82C596,   0x10, 0x2f, ATA_UDMA4, },
  91         { "vt82c596a",  PCI_DEVICE_ID_VIA_82C596,   0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
  92         { "vt82c586b",  PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, ATA_UDMA2, VIA_SET_FIFO },
  93         { "vt82c586b",  PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, ATA_UDMA2, VIA_SET_FIFO | VIA_BAD_PREQ },
  94         { "vt82c586b",  PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, ATA_UDMA2, VIA_SET_FIFO },
  95         { "vt82c586a",  PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, ATA_UDMA2, VIA_SET_FIFO },
  96         { "vt82c586",   PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f,      0x00, VIA_SET_FIFO },
  97         { "vt82c576",   PCI_DEVICE_ID_VIA_82C576,   0x00, 0x2f,      0x00, VIA_SET_FIFO | VIA_NO_UNMASK },
  98         { "vt82c576",   PCI_DEVICE_ID_VIA_82C576,   0x00, 0x2f,      0x00, VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
  99         { "vtxxxx",     PCI_DEVICE_ID_VIA_ANON,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
 100         { NULL }
 101 };
 102 
 103 static unsigned int via_clock;
 104 static char *via_dma[] = { "16", "25", "33", "44", "66", "100", "133" };
 105 
 106 struct via82cxxx_dev
 107 {
 108         struct via_isa_bridge *via_config;
 109         unsigned int via_80w;
 110 };
 111 
 112 /**
 113  *      via_set_speed                   -       write timing registers
 114  *      @dev: PCI device
 115  *      @dn: device
 116  *      @timing: IDE timing data to use
 117  *
 118  *      via_set_speed writes timing values to the chipset registers
 119  */
 120 
 121 static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
 122 {
 123         struct pci_dev *dev = to_pci_dev(hwif->dev);
 124         struct ide_host *host = pci_get_drvdata(dev);
 125         struct via82cxxx_dev *vdev = host->host_priv;
 126         u8 t;
 127 
 128         if (~vdev->via_config->flags & VIA_BAD_AST) {
 129                 pci_read_config_byte(dev, VIA_ADDRESS_SETUP, &t);
 130                 t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
 131                 pci_write_config_byte(dev, VIA_ADDRESS_SETUP, t);
 132         }
 133 
 134         pci_write_config_byte(dev, VIA_8BIT_TIMING + (1 - (dn >> 1)),
 135                 ((clamp_val(timing->act8b, 1, 16) - 1) << 4) | (clamp_val(timing->rec8b, 1, 16) - 1));
 136 
 137         pci_write_config_byte(dev, VIA_DRIVE_TIMING + (3 - dn),
 138                 ((clamp_val(timing->active, 1, 16) - 1) << 4) | (clamp_val(timing->recover, 1, 16) - 1));
 139 
 140         switch (vdev->via_config->udma_mask) {
 141         case ATA_UDMA2: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 5) - 2)) : 0x03; break;
 142         case ATA_UDMA4: t = timing->udma ? (0xe8 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x0f; break;
 143         case ATA_UDMA5: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break;
 144         case ATA_UDMA6: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break;
 145         }
 146 
 147         /* Set UDMA unless device is not UDMA capable */
 148         if (vdev->via_config->udma_mask) {
 149                 u8 udma_etc;
 150 
 151                 pci_read_config_byte(dev, VIA_UDMA_TIMING + 3 - dn, &udma_etc);
 152 
 153                 /* clear transfer mode bit */
 154                 udma_etc &= ~0x20;
 155 
 156                 if (timing->udma) {
 157                         /* preserve 80-wire cable detection bit */
 158                         udma_etc &= 0x10;
 159                         udma_etc |= t;
 160                 }
 161 
 162                 pci_write_config_byte(dev, VIA_UDMA_TIMING + 3 - dn, udma_etc);
 163         }
 164 }
 165 
 166 /**
 167  *      via_set_drive           -       configure transfer mode
 168  *      @hwif: port
 169  *      @drive: Drive to set up
 170  *
 171  *      via_set_drive() computes timing values configures the chipset to
 172  *      a desired transfer mode.  It also can be called by upper layers.
 173  */
 174 
 175 static void via_set_drive(ide_hwif_t *hwif, ide_drive_t *drive)
 176 {
 177         ide_drive_t *peer = ide_get_pair_dev(drive);
 178         struct pci_dev *dev = to_pci_dev(hwif->dev);
 179         struct ide_host *host = pci_get_drvdata(dev);
 180         struct via82cxxx_dev *vdev = host->host_priv;
 181         struct ide_timing t, p;
 182         unsigned int T, UT;
 183         const u8 speed = drive->dma_mode;
 184 
 185         T = 1000000000 / via_clock;
 186 
 187         switch (vdev->via_config->udma_mask) {
 188         case ATA_UDMA2: UT = T;   break;
 189         case ATA_UDMA4: UT = T/2; break;
 190         case ATA_UDMA5: UT = T/3; break;
 191         case ATA_UDMA6: UT = T/4; break;
 192         default:        UT = T;
 193         }
 194 
 195         ide_timing_compute(drive, speed, &t, T, UT);
 196 
 197         if (peer) {
 198                 ide_timing_compute(peer, peer->pio_mode, &p, T, UT);
 199                 ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
 200         }
 201 
 202         via_set_speed(hwif, drive->dn, &t);
 203 }
 204 
 205 /**
 206  *      via_set_pio_mode        -       set host controller for PIO mode
 207  *      @hwif: port
 208  *      @drive: drive
 209  *
 210  *      A callback from the upper layers for PIO-only tuning.
 211  */
 212 
 213 static void via_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 214 {
 215         drive->dma_mode = drive->pio_mode;
 216         via_set_drive(hwif, drive);
 217 }
 218 
 219 static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
 220 {
 221         struct via_isa_bridge *via_config;
 222 
 223         for (via_config = via_isa_bridges;
 224              via_config->id != PCI_DEVICE_ID_VIA_ANON; via_config++)
 225                 if ((*isa = pci_get_device(PCI_VENDOR_ID_VIA +
 226                         !!(via_config->flags & VIA_BAD_ID),
 227                         via_config->id, NULL))) {
 228 
 229                         if ((*isa)->revision >= via_config->rev_min &&
 230                             (*isa)->revision <= via_config->rev_max)
 231                                 break;
 232                         pci_dev_put(*isa);
 233                 }
 234 
 235         return via_config;
 236 }
 237 
 238 /*
 239  * Check and handle 80-wire cable presence
 240  */
 241 static void via_cable_detect(struct via82cxxx_dev *vdev, u32 u)
 242 {
 243         int i;
 244 
 245         switch (vdev->via_config->udma_mask) {
 246                 case ATA_UDMA4:
 247                         for (i = 24; i >= 0; i -= 8)
 248                                 if (((u >> (i & 16)) & 8) &&
 249                                     ((u >> i) & 0x20) &&
 250                                      (((u >> i) & 7) < 2)) {
 251                                         /*
 252                                          * 2x PCI clock and
 253                                          * UDMA w/ < 3T/cycle
 254                                          */
 255                                         vdev->via_80w |= (1 << (1 - (i >> 4)));
 256                                 }
 257                         break;
 258 
 259                 case ATA_UDMA5:
 260                         for (i = 24; i >= 0; i -= 8)
 261                                 if (((u >> i) & 0x10) ||
 262                                     (((u >> i) & 0x20) &&
 263                                      (((u >> i) & 7) < 4))) {
 264                                         /* BIOS 80-wire bit or
 265                                          * UDMA w/ < 60ns/cycle
 266                                          */
 267                                         vdev->via_80w |= (1 << (1 - (i >> 4)));
 268                                 }
 269                         break;
 270 
 271                 case ATA_UDMA6:
 272                         for (i = 24; i >= 0; i -= 8)
 273                                 if (((u >> i) & 0x10) ||
 274                                     (((u >> i) & 0x20) &&
 275                                      (((u >> i) & 7) < 6))) {
 276                                         /* BIOS 80-wire bit or
 277                                          * UDMA w/ < 60ns/cycle
 278                                          */
 279                                         vdev->via_80w |= (1 << (1 - (i >> 4)));
 280                                 }
 281                         break;
 282         }
 283 }
 284 
 285 /**
 286  *      init_chipset_via82cxxx  -       initialization handler
 287  *      @dev: PCI device
 288  *
 289  *      The initialization callback. Here we determine the IDE chip type
 290  *      and initialize its drive independent registers.
 291  */
 292 
 293 static int init_chipset_via82cxxx(struct pci_dev *dev)
 294 {
 295         struct ide_host *host = pci_get_drvdata(dev);
 296         struct via82cxxx_dev *vdev = host->host_priv;
 297         struct via_isa_bridge *via_config = vdev->via_config;
 298         u8 t, v;
 299         u32 u;
 300 
 301         /*
 302          * Detect cable and configure Clk66
 303          */
 304         pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
 305 
 306         via_cable_detect(vdev, u);
 307 
 308         if (via_config->udma_mask == ATA_UDMA4) {
 309                 /* Enable Clk66 */
 310                 pci_write_config_dword(dev, VIA_UDMA_TIMING, u|0x80008);
 311         } else if (via_config->flags & VIA_BAD_CLK66) {
 312                 /* Would cause trouble on 596a and 686 */
 313                 pci_write_config_dword(dev, VIA_UDMA_TIMING, u & ~0x80008);
 314         }
 315 
 316         /*
 317          * Check whether interfaces are enabled.
 318          */
 319 
 320         pci_read_config_byte(dev, VIA_IDE_ENABLE, &v);
 321 
 322         /*
 323          * Set up FIFO sizes and thresholds.
 324          */
 325 
 326         pci_read_config_byte(dev, VIA_FIFO_CONFIG, &t);
 327 
 328         /* Disable PREQ# till DDACK# */
 329         if (via_config->flags & VIA_BAD_PREQ) {
 330                 /* Would crash on 586b rev 41 */
 331                 t &= 0x7f;
 332         }
 333 
 334         /* Fix FIFO split between channels */
 335         if (via_config->flags & VIA_SET_FIFO) {
 336                 t &= (t & 0x9f);
 337                 switch (v & 3) {
 338                         case 2: t |= 0x00; break;       /* 16 on primary */
 339                         case 1: t |= 0x60; break;       /* 16 on secondary */
 340                         case 3: t |= 0x20; break;       /* 8 pri 8 sec */
 341                 }
 342         }
 343 
 344         pci_write_config_byte(dev, VIA_FIFO_CONFIG, t);
 345 
 346         return 0;
 347 }
 348 
 349 /*
 350  *      Cable special cases
 351  */
 352 
 353 static const struct dmi_system_id cable_dmi_table[] = {
 354         {
 355                 .ident = "Acer Ferrari 3400",
 356                 .matches = {
 357                         DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."),
 358                         DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"),
 359                 },
 360         },
 361         { }
 362 };
 363 
 364 static int via_cable_override(struct pci_dev *pdev)
 365 {
 366         /* Systems by DMI */
 367         if (dmi_check_system(cable_dmi_table))
 368                 return 1;
 369 
 370         /* Arima W730-K8/Targa Visionary 811/... */
 371         if (pdev->subsystem_vendor == 0x161F &&
 372             pdev->subsystem_device == 0x2032)
 373                 return 1;
 374 
 375         return 0;
 376 }
 377 
 378 static u8 via82cxxx_cable_detect(ide_hwif_t *hwif)
 379 {
 380         struct pci_dev *pdev = to_pci_dev(hwif->dev);
 381         struct ide_host *host = pci_get_drvdata(pdev);
 382         struct via82cxxx_dev *vdev = host->host_priv;
 383 
 384         if (via_cable_override(pdev))
 385                 return ATA_CBL_PATA40_SHORT;
 386 
 387         if ((vdev->via_config->flags & VIA_SATA_PATA) && hwif->channel == 0)
 388                 return ATA_CBL_SATA;
 389 
 390         if ((vdev->via_80w >> hwif->channel) & 1)
 391                 return ATA_CBL_PATA80;
 392         else
 393                 return ATA_CBL_PATA40;
 394 }
 395 
 396 static const struct ide_port_ops via_port_ops = {
 397         .set_pio_mode           = via_set_pio_mode,
 398         .set_dma_mode           = via_set_drive,
 399         .cable_detect           = via82cxxx_cable_detect,
 400 };
 401 
 402 static const struct ide_port_info via82cxxx_chipset = {
 403         .name           = DRV_NAME,
 404         .init_chipset   = init_chipset_via82cxxx,
 405         .enablebits     = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
 406         .port_ops       = &via_port_ops,
 407         .host_flags     = IDE_HFLAG_PIO_NO_BLACKLIST |
 408                           IDE_HFLAG_POST_SET_MODE |
 409                           IDE_HFLAG_IO_32BIT,
 410         .pio_mask       = ATA_PIO5,
 411         .swdma_mask     = ATA_SWDMA2,
 412         .mwdma_mask     = ATA_MWDMA2,
 413 };
 414 
 415 static int via_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 416 {
 417         struct pci_dev *isa = NULL;
 418         struct via_isa_bridge *via_config;
 419         struct via82cxxx_dev *vdev;
 420         int rc;
 421         u8 idx = id->driver_data;
 422         struct ide_port_info d;
 423 
 424         d = via82cxxx_chipset;
 425 
 426         /*
 427          * Find the ISA bridge and check we know what it is.
 428          */
 429         via_config = via_config_find(&isa);
 430 
 431         /*
 432          * Print the boot message.
 433          */
 434         printk(KERN_INFO DRV_NAME " %s: VIA %s (rev %02x) IDE %sDMA%s\n",
 435                 pci_name(dev), via_config->name, isa->revision,
 436                 via_config->udma_mask ? "U" : "MW",
 437                 via_dma[via_config->udma_mask ?
 438                         (fls(via_config->udma_mask) - 1) : 0]);
 439 
 440         pci_dev_put(isa);
 441 
 442         /*
 443          * Determine system bus clock.
 444          */
 445         via_clock = (ide_pci_clk ? ide_pci_clk : 33) * 1000;
 446 
 447         switch (via_clock) {
 448         case 33000: via_clock = 33333; break;
 449         case 37000: via_clock = 37500; break;
 450         case 41000: via_clock = 41666; break;
 451         }
 452 
 453         if (via_clock < 20000 || via_clock > 50000) {
 454                 printk(KERN_WARNING DRV_NAME ": User given PCI clock speed "
 455                         "impossible (%d), using 33 MHz instead.\n", via_clock);
 456                 via_clock = 33333;
 457         }
 458 
 459         if (idx == 1)
 460                 d.enablebits[1].reg = d.enablebits[0].reg = 0;
 461         else
 462                 d.host_flags |= IDE_HFLAG_NO_AUTODMA;
 463 
 464         if (idx == VIA_IDFLAG_SINGLE)
 465                 d.host_flags |= IDE_HFLAG_SINGLE;
 466 
 467         if ((via_config->flags & VIA_NO_UNMASK) == 0)
 468                 d.host_flags |= IDE_HFLAG_UNMASK_IRQS;
 469 
 470         d.udma_mask = via_config->udma_mask;
 471 
 472         vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
 473         if (!vdev) {
 474                 printk(KERN_ERR DRV_NAME " %s: out of memory :(\n",
 475                         pci_name(dev));
 476                 return -ENOMEM;
 477         }
 478 
 479         vdev->via_config = via_config;
 480 
 481         rc = ide_pci_init_one(dev, &d, vdev);
 482         if (rc)
 483                 kfree(vdev);
 484 
 485         return rc;
 486 }
 487 
 488 static void via_remove(struct pci_dev *dev)
 489 {
 490         struct ide_host *host = pci_get_drvdata(dev);
 491         struct via82cxxx_dev *vdev = host->host_priv;
 492 
 493         ide_pci_remove(dev);
 494         kfree(vdev);
 495 }
 496 
 497 static const struct pci_device_id via_pci_tbl[] = {
 498         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1),  0 },
 499         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1),  0 },
 500         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 },
 501         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), VIA_IDFLAG_SINGLE },
 502         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410),      1 },
 503         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6415),      1 },
 504         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
 505         { 0, },
 506 };
 507 MODULE_DEVICE_TABLE(pci, via_pci_tbl);
 508 
 509 static struct pci_driver via_pci_driver = {
 510         .name           = "VIA_IDE",
 511         .id_table       = via_pci_tbl,
 512         .probe          = via_init_one,
 513         .remove         = via_remove,
 514         .suspend        = ide_pci_suspend,
 515         .resume         = ide_pci_resume,
 516 };
 517 
 518 static int __init via_ide_init(void)
 519 {
 520         return ide_pci_register_driver(&via_pci_driver);
 521 }
 522 
 523 static void __exit via_ide_exit(void)
 524 {
 525         pci_unregister_driver(&via_pci_driver);
 526 }
 527 
 528 module_init(via_ide_init);
 529 module_exit(via_ide_exit);
 530 
 531 MODULE_AUTHOR("Vojtech Pavlik, Bartlomiej Zolnierkiewicz, Michel Aubry, Jeff Garzik, Andre Hedrick");
 532 MODULE_DESCRIPTION("PCI driver module for VIA IDE");
 533 MODULE_LICENSE("GPL");
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/ide/via82cxxx.c

DEFINITIONS
