drivers/ide/legacy/ide-cs.c

   1 /*======================================================================
   2
   3     A driver for PCMCIA IDE/ATA disk cards
   4
   5     The contents of this file are subject to the Mozilla Public
   6     License Version 1.1 (the "License"); you may not use this file
   7     except in compliance with the License. You may obtain a copy of
   8     the License at http://www.mozilla.org/MPL/
   9
  10     Software distributed under the License is distributed on an "AS
  11     IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  12     implied. See the License for the specific language governing
  13     rights and limitations under the License.
  14
  15     The initial developer of the original code is David A. Hinds
  16     <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  17     are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  18
  19     Alternatively, the contents of this file may be used under the
  20     terms of the GNU General Public License version 2 (the "GPL"), in
  21     which case the provisions of the GPL are applicable instead of the
  22     above.  If you wish to allow the use of your version of this file
  23     only under the terms of the GPL and not to allow others to use
  24     your version of this file under the MPL, indicate your decision
  25     by deleting the provisions above and replace them with the notice
  26     and other provisions required by the GPL.  If you do not delete
  27     the provisions above, a recipient may use your version of this
  28     file under either the MPL or the GPL.
  29
  30 ======================================================================*/
  31
  32 #include <linux/module.h>
  33 #include <linux/kernel.h>
  34 #include <linux/init.h>
  35 #include <linux/ptrace.h>
  36 #include <linux/slab.h>
  37 #include <linux/string.h>
  38 #include <linux/timer.h>
  39 #include <linux/ioport.h>
  40 #include <linux/ide.h>
  41 #include <linux/hdreg.h>
  42 #include <linux/major.h>
  43 #include <linux/delay.h>
  44 #include <asm/io.h>
  45 #include <asm/system.h>
  46
  47 #include <pcmcia/cs_types.h>
  48 #include <pcmcia/cs.h>
  49 #include <pcmcia/cistpl.h>
  50 #include <pcmcia/ds.h>
  51 #include <pcmcia/cisreg.h>
  52 #include <pcmcia/ciscode.h>
  53
  54 #define DRV_NAME "ide-cs"
  55
  56 /*====================================================================*/
  57
  58 /* Module parameters */
  59
  60 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
  61 MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
  62 MODULE_LICENSE("Dual MPL/GPL");
  63
  64 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
  65
  66 #ifdef CONFIG_PCMCIA_DEBUG
  67 INT_MODULE_PARM(pc_debug, 0);
  68 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
  69 /*static char *version =
  70 "ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)";*/
  71 #else
  72 #define DEBUG(n, args...)
  73 #endif
  74
  75 /*====================================================================*/
  76
  77 typedef struct ide_info_t {
  78         struct pcmcia_device    *p_dev;
  79         ide_hwif_t              *hwif;
  80     int         ndev;
  81     dev_node_t  node;
  82 } ide_info_t;
  83
  84 static void ide_release(struct pcmcia_device *);
  85 static int ide_config(struct pcmcia_device *);
  86
  87 static void ide_detach(struct pcmcia_device *p_dev);
  88
  89
  90
  91
  92 /*======================================================================
  93
  94     ide_attach() creates an "instance" of the driver, allocating
  95     local data structures for one device.  The device is registered
  96     with Card Services.
  97
  98 ======================================================================*/
  99
 100 static int ide_probe(struct pcmcia_device *link)
 101 {
 102     ide_info_t *info;
 103
 104     DEBUG(0, "ide_attach()\n");
 105
 106     /* Create new ide device */
 107     info = kzalloc(sizeof(*info), GFP_KERNEL);
 108     if (!info)
 109         return -ENOMEM;
 110
 111     info->p_dev = link;
 112     link->priv = info;
 113
 114     link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 115     link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
 116     link->io.IOAddrLines = 3;
 117     link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 118     link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 119     link->conf.Attributes = CONF_ENABLE_IRQ;
 120     link->conf.IntType = INT_MEMORY_AND_IO;
 121
 122     return ide_config(link);
 123 } /* ide_attach */
 124
 125 /*======================================================================
 126
 127     This deletes a driver "instance".  The device is de-registered
 128     with Card Services.  If it has been released, all local data
 129     structures are freed.  Otherwise, the structures will be freed
 130     when the device is released.
 131
 132 ======================================================================*/
 133
 134 static void ide_detach(struct pcmcia_device *link)
 135 {
 136     ide_info_t *info = link->priv;
 137     ide_hwif_t *hwif = info->hwif;
 138     unsigned long data_addr, ctl_addr;
 139
 140     DEBUG(0, "ide_detach(0x%p)\n", link);
 141
 142     data_addr = hwif->io_ports.data_addr;
 143     ctl_addr  = hwif->io_ports.ctl_addr;
 144
 145     ide_release(link);
 146
 147     release_region(ctl_addr, 1);
 148     release_region(data_addr, 8);
 149
 150     kfree(info);
 151 } /* ide_detach */
 152
 153 static const struct ide_port_ops idecs_port_ops = {
 154         .quirkproc              = ide_undecoded_slave,
 155 };
 156
 157 static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl,
 158                                 unsigned long irq, struct pcmcia_device *handle)
 159 {
 160     ide_hwif_t *hwif;
 161     hw_regs_t hw;
 162     int i;
 163     u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 164
 165     if (!request_region(io, 8, DRV_NAME)) {
 166         printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
 167                         DRV_NAME, io, io + 7);
 168         return NULL;
 169     }
 170
 171     if (!request_region(ctl, 1, DRV_NAME)) {
 172         printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
 173                         DRV_NAME, ctl);
 174         release_region(io, 8);
 175         return NULL;
 176     }
 177
 178     memset(&hw, 0, sizeof(hw));
 179     ide_std_init_ports(&hw, io, ctl);
 180     hw.irq = irq;
 181     hw.chipset = ide_pci;
 182     hw.dev = &handle->dev;
 183
 184     hwif = ide_find_port();
 185     if (hwif == NULL)
 186         goto out_release;
 187
 188     i = hwif->index;
 189
 190     ide_init_port_data(hwif, i);
 191     ide_init_port_hw(hwif, &hw);
 192     hwif->port_ops = &idecs_port_ops;
 193
 194     idx[0] = i;
 195
 196     ide_device_add(idx, NULL);
 197
 198     if (hwif->present)
 199         return hwif;
 200
 201     /* retry registration in case device is still spinning up */
 202     for (i = 0; i < 10; i++) {
 203         msleep(100);
 204         ide_port_scan(hwif);
 205         if (hwif->present)
 206             return hwif;
 207     }
 208
 209     return hwif;
 210
 211 out_release:
 212     release_region(ctl, 1);
 213     release_region(io, 8);
 214     return NULL;
 215 }
 216
 217 /*======================================================================
 218
 219     ide_config() is scheduled to run after a CARD_INSERTION event
 220     is received, to configure the PCMCIA socket, and to make the
 221     ide device available to the system.
 222
 223 ======================================================================*/
 224
 225 #define CS_CHECK(fn, ret) \
 226 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 227
 228 static int ide_config(struct pcmcia_device *link)
 229 {
 230     ide_info_t *info = link->priv;
 231     tuple_t tuple;
 232     struct {
 233         u_short         buf[128];
 234         cisparse_t      parse;
 235         config_info_t   conf;
 236         cistpl_cftable_entry_t dflt;
 237     } *stk = NULL;
 238     cistpl_cftable_entry_t *cfg;
 239     int pass, last_ret = 0, last_fn = 0, is_kme = 0;
 240     unsigned long io_base, ctl_base;
 241     ide_hwif_t *hwif;
 242
 243     DEBUG(0, "ide_config(0x%p)\n", link);
 244
 245     stk = kzalloc(sizeof(*stk), GFP_KERNEL);
 246     if (!stk) goto err_mem;
 247     cfg = &stk->parse.cftable_entry;
 248
 249     tuple.TupleData = (cisdata_t *)&stk->buf;
 250     tuple.TupleOffset = 0;
 251     tuple.TupleDataMax = 255;
 252     tuple.Attributes = 0;
 253
 254     is_kme = ((link->manf_id == MANFID_KME) &&
 255               ((link->card_id == PRODID_KME_KXLC005_A) ||
 256                (link->card_id == PRODID_KME_KXLC005_B)));
 257
 258     /* Not sure if this is right... look up the current Vcc */
 259     CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));
 260
 261     pass = io_base = ctl_base = 0;
 262     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 263     tuple.Attributes = 0;
 264     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 265     while (1) {
 266         if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry;
 267         if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry;
 268
 269         /* Check for matching Vcc, unless we're desperate */
 270         if (!pass) {
 271             if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 272                 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
 273                     goto next_entry;
 274             } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
 275                 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
 276                     goto next_entry;
 277             }
 278         }
 279
 280         if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 281             link->conf.Vpp =
 282                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 283         else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
 284             link->conf.Vpp =
 285                 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
 286
 287         if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
 288             cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
 289             link->conf.ConfigIndex = cfg->index;
 290             link->io.BasePort1 = io->win[0].base;
 291             link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
 292             if (!(io->flags & CISTPL_IO_16BIT))
 293                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 294             if (io->nwin == 2) {
 295                 link->io.NumPorts1 = 8;
 296                 link->io.BasePort2 = io->win[1].base;
 297                 link->io.NumPorts2 = (is_kme) ? 2 : 1;
 298                 if (pcmcia_request_io(link, &link->io) != 0)
 299                         goto next_entry;
 300                 io_base = link->io.BasePort1;
 301                 ctl_base = link->io.BasePort2;
 302             } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
 303                 link->io.NumPorts1 = io->win[0].len;
 304                 link->io.NumPorts2 = 0;
 305                 if (pcmcia_request_io(link, &link->io) != 0)
 306                         goto next_entry;
 307                 io_base = link->io.BasePort1;
 308                 ctl_base = link->io.BasePort1 + 0x0e;
 309             } else goto next_entry;
 310             /* If we've got this far, we're done */
 311             break;
 312         }
 313
 314     next_entry:
 315         if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
 316             memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
 317         if (pass) {
 318             CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
 319         } else if (pcmcia_get_next_tuple(link, &tuple) != 0) {
 320             CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 321             memset(&stk->dflt, 0, sizeof(stk->dflt));
 322             pass++;
 323         }
 324     }
 325
 326     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 327     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 328
 329     /* disable drive interrupts during IDE probe */
 330     outb(0x02, ctl_base);
 331
 332     /* special setup for KXLC005 card */
 333     if (is_kme)
 334         outb(0x81, ctl_base+1);
 335
 336      hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
 337      if (hwif == NULL && link->io.NumPorts1 == 0x20) {
 338             outb(0x02, ctl_base + 0x10);
 339             hwif = idecs_register(io_base + 0x10, ctl_base + 0x10,
 340                                   link->irq.AssignedIRQ, link);
 341     }
 342
 343     if (hwif == NULL)
 344         goto failed;
 345
 346     info->ndev = 1;
 347     sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2);
 348     info->node.major = hwif->major;
 349     info->node.minor = 0;
 350     info->hwif = hwif;
 351     link->dev_node = &info->node;
 352     printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
 353            info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
 354
 355     kfree(stk);
 356     return 0;
 357
 358 err_mem:
 359     printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
 360     goto failed;
 361
 362 cs_failed:
 363     cs_error(link, last_fn, last_ret);
 364 failed:
 365     kfree(stk);
 366     ide_release(link);
 367     return -ENODEV;
 368 } /* ide_config */
 369
 370 /*======================================================================
 371
 372     After a card is removed, ide_release() will unregister the net
 373     device, and release the PCMCIA configuration.  If the device is
 374     still open, this will be postponed until it is closed.
 375
 376 ======================================================================*/
 377
 378 static void ide_release(struct pcmcia_device *link)
 379 {
 380     ide_info_t *info = link->priv;
 381     ide_hwif_t *hwif = info->hwif;
 382
 383     DEBUG(0, "ide_release(0x%p)\n", link);
 384
 385     if (info->ndev) {
 386         /* FIXME: if this fails we need to queue the cleanup somehow
 387            -- need to investigate the required PCMCIA magic */
 388         ide_unregister(hwif);
 389     }
 390     info->ndev = 0;
 391
 392     pcmcia_disable_device(link);
 393 } /* ide_release */
 394
 395
 396 /*======================================================================
 397
 398     The card status event handler.  Mostly, this schedules other
 399     stuff to run after an event is received.  A CARD_REMOVAL event
 400     also sets some flags to discourage the ide drivers from
 401     talking to the ports.
 402
 403 ======================================================================*/
 404
 405 static struct pcmcia_device_id ide_ids[] = {
 406         PCMCIA_DEVICE_FUNC_ID(4),
 407         PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000),        /* Corsair */
 408         PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000),        /* Hitachi */
 409         PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000),        /* I-O Data CFA */
 410         PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001),        /* Mitsubishi CFA */
 411         PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
 412         PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),        /* SanDisk CFA */
 413         PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000),        /* Kingston */
 414         PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000),        /* Toshiba */
 415         PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
 416         PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000),        /* Samsung */
 417         PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000),        /* Hitachi */
 418         PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
 419         PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100),        /* Viking CFA */
 420         PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200),        /* Lexar, Viking CFA */
 421         PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
 422         PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
 423         PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
 424         PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
 425         PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
 426         PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
 427         PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
 428         PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
 429         PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
 430         PCMCIA_DEVICE_PROD_ID12("EXP   ", "CD-ROM", 0x0a5c52fd, 0x66536591),
 431         PCMCIA_DEVICE_PROD_ID12("EXP   ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
 432         PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
 433         PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
 434         PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
 435         PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
 436         PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
 437         PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
 438         PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
 439         PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2      ", 0x547e66dc, 0x8671043b),
 440         PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
 441         PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
 442         PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2      ", 0xe37be2b5, 0x8671043b),
 443         PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
 444         PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
 445         PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
 446         PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
 447         PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
 448         PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
 449         PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
 450         PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
 451         PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
 452         PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
 453         PCMCIA_DEVICE_PROD_ID1("TRANSCEND    512M   ", 0xd0909443),
 454         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
 455         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
 456         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
 457         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
 458         PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
 459         PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
 460         PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
 461         PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
 462         PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
 463         PCMCIA_DEVICE_NULL,
 464 };
 465 MODULE_DEVICE_TABLE(pcmcia, ide_ids);
 466
 467 static struct pcmcia_driver ide_cs_driver = {
 468         .owner          = THIS_MODULE,
 469         .drv            = {
 470                 .name   = "ide-cs",
 471         },
 472         .probe          = ide_probe,
 473         .remove         = ide_detach,
 474         .id_table       = ide_ids,
 475 };
 476
 477 static int __init init_ide_cs(void)
 478 {
 479         return pcmcia_register_driver(&ide_cs_driver);
 480 }
 481
 482 static void __exit exit_ide_cs(void)
 483 {
 484         pcmcia_unregister_driver(&ide_cs_driver);
 485 }
 486
 487 late_initcall(init_ide_cs);
 488 module_exit(exit_ide_cs);