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
 139     DEBUG(0, "ide_detach(0x%p)\n", link);
 140
 141     ide_release(link);
 142
 143     release_region(hwif->io_ports.ctl_addr, 1);
 144     release_region(hwif->io_ports.data_addr, 8);
 145
 146     kfree(info);
 147 } /* ide_detach */
 148
 149 static const struct ide_port_ops idecs_port_ops = {
 150         .quirkproc              = ide_undecoded_slave,
 151 };
 152
 153 static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl,
 154                                 unsigned long irq, struct pcmcia_device *handle)
 155 {
 156     ide_hwif_t *hwif;
 157     hw_regs_t hw;
 158     int i;
 159     u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 160
 161     if (!request_region(io, 8, DRV_NAME)) {
 162         printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
 163                         DRV_NAME, io, io + 7);
 164         return NULL;
 165     }
 166
 167     if (!request_region(ctl, 1, DRV_NAME)) {
 168         printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
 169                         DRV_NAME, ctl);
 170         release_region(io, 8);
 171         return NULL;
 172     }
 173
 174     memset(&hw, 0, sizeof(hw));
 175     ide_std_init_ports(&hw, io, ctl);
 176     hw.irq = irq;
 177     hw.chipset = ide_pci;
 178     hw.dev = &handle->dev;
 179
 180     hwif = ide_find_port();
 181     if (hwif == NULL)
 182         goto out_release;
 183
 184     i = hwif->index;
 185
 186     ide_init_port_data(hwif, i);
 187     ide_init_port_hw(hwif, &hw);
 188     hwif->port_ops = &idecs_port_ops;
 189
 190     idx[0] = i;
 191
 192     ide_device_add(idx, NULL);
 193
 194     if (hwif->present)
 195         return hwif;
 196
 197 out_release:
 198     release_region(ctl, 1);
 199     release_region(io, 8);
 200     return NULL;
 201 }
 202
 203 /*======================================================================
 204
 205     ide_config() is scheduled to run after a CARD_INSERTION event
 206     is received, to configure the PCMCIA socket, and to make the
 207     ide device available to the system.
 208
 209 ======================================================================*/
 210
 211 #define CS_CHECK(fn, ret) \
 212 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 213
 214 static int ide_config(struct pcmcia_device *link)
 215 {
 216     ide_info_t *info = link->priv;
 217     tuple_t tuple;
 218     struct {
 219         u_short         buf[128];
 220         cisparse_t      parse;
 221         config_info_t   conf;
 222         cistpl_cftable_entry_t dflt;
 223     } *stk = NULL;
 224     cistpl_cftable_entry_t *cfg;
 225     int i, pass, last_ret = 0, last_fn = 0, is_kme = 0;
 226     unsigned long io_base, ctl_base;
 227     ide_hwif_t *hwif;
 228
 229     DEBUG(0, "ide_config(0x%p)\n", link);
 230
 231     stk = kzalloc(sizeof(*stk), GFP_KERNEL);
 232     if (!stk) goto err_mem;
 233     cfg = &stk->parse.cftable_entry;
 234
 235     tuple.TupleData = (cisdata_t *)&stk->buf;
 236     tuple.TupleOffset = 0;
 237     tuple.TupleDataMax = 255;
 238     tuple.Attributes = 0;
 239
 240     is_kme = ((link->manf_id == MANFID_KME) &&
 241               ((link->card_id == PRODID_KME_KXLC005_A) ||
 242                (link->card_id == PRODID_KME_KXLC005_B)));
 243
 244     /* Not sure if this is right... look up the current Vcc */
 245     CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));
 246
 247     pass = io_base = ctl_base = 0;
 248     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
 249     tuple.Attributes = 0;
 250     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 251     while (1) {
 252         if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry;
 253         if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry;
 254
 255         /* Check for matching Vcc, unless we're desperate */
 256         if (!pass) {
 257             if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
 258                 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
 259                     goto next_entry;
 260             } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
 261                 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
 262                     goto next_entry;
 263             }
 264         }
 265
 266         if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
 267             link->conf.Vpp =
 268                 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
 269         else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
 270             link->conf.Vpp =
 271                 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
 272
 273         if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
 274             cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
 275             link->conf.ConfigIndex = cfg->index;
 276             link->io.BasePort1 = io->win[0].base;
 277             link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
 278             if (!(io->flags & CISTPL_IO_16BIT))
 279                 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 280             if (io->nwin == 2) {
 281                 link->io.NumPorts1 = 8;
 282                 link->io.BasePort2 = io->win[1].base;
 283                 link->io.NumPorts2 = (is_kme) ? 2 : 1;
 284                 if (pcmcia_request_io(link, &link->io) != 0)
 285                         goto next_entry;
 286                 io_base = link->io.BasePort1;
 287                 ctl_base = link->io.BasePort2;
 288             } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
 289                 link->io.NumPorts1 = io->win[0].len;
 290                 link->io.NumPorts2 = 0;
 291                 if (pcmcia_request_io(link, &link->io) != 0)
 292                         goto next_entry;
 293                 io_base = link->io.BasePort1;
 294                 ctl_base = link->io.BasePort1 + 0x0e;
 295             } else goto next_entry;
 296             /* If we've got this far, we're done */
 297             break;
 298         }
 299
 300     next_entry:
 301         if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
 302             memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
 303         if (pass) {
 304             CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
 305         } else if (pcmcia_get_next_tuple(link, &tuple) != 0) {
 306             CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 307             memset(&stk->dflt, 0, sizeof(stk->dflt));
 308             pass++;
 309         }
 310     }
 311
 312     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 313     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 314
 315     /* disable drive interrupts during IDE probe */
 316     outb(0x02, ctl_base);
 317
 318     /* special setup for KXLC005 card */
 319     if (is_kme)
 320         outb(0x81, ctl_base+1);
 321
 322     /* retry registration in case device is still spinning up */
 323     for (i = 0; i < 10; i++) {
 324         hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
 325         if (hwif)
 326             break;
 327         if (link->io.NumPorts1 == 0x20) {
 328             outb(0x02, ctl_base + 0x10);
 329             hwif = idecs_register(io_base + 0x10, ctl_base + 0x10,
 330                                   link->irq.AssignedIRQ, link);
 331             if (hwif) {
 332                 io_base += 0x10;
 333                 ctl_base += 0x10;
 334                 break;
 335             }
 336         }
 337         msleep(100);
 338     }
 339
 340     if (hwif == NULL) {
 341         printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
 342                ", irq %u failed\n", io_base, ctl_base,
 343                link->irq.AssignedIRQ);
 344         goto failed;
 345     }
 346
 347     info->ndev = 1;
 348     sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2);
 349     info->node.major = hwif->major;
 350     info->node.minor = 0;
 351     info->hwif = hwif;
 352     link->dev_node = &info->node;
 353     printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
 354            info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
 355
 356     kfree(stk);
 357     return 0;
 358
 359 err_mem:
 360     printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
 361     goto failed;
 362
 363 cs_failed:
 364     cs_error(link, last_fn, last_ret);
 365 failed:
 366     kfree(stk);
 367     ide_release(link);
 368     return -ENODEV;
 369 } /* ide_config */
 370
 371 /*======================================================================
 372
 373     After a card is removed, ide_release() will unregister the net
 374     device, and release the PCMCIA configuration.  If the device is
 375     still open, this will be postponed until it is closed.
 376
 377 ======================================================================*/
 378
 379 void ide_release(struct pcmcia_device *link)
 380 {
 381     ide_info_t *info = link->priv;
 382     ide_hwif_t *hwif = info->hwif;
 383
 384     DEBUG(0, "ide_release(0x%p)\n", link);
 385
 386     if (info->ndev) {
 387         /* FIXME: if this fails we need to queue the cleanup somehow
 388            -- need to investigate the required PCMCIA magic */
 389         ide_unregister(hwif);
 390     }
 391     info->ndev = 0;
 392
 393     pcmcia_disable_device(link);
 394 } /* ide_release */
 395
 396
 397 /*======================================================================
 398
 399     The card status event handler.  Mostly, this schedules other
 400     stuff to run after an event is received.  A CARD_REMOVAL event
 401     also sets some flags to discourage the ide drivers from
 402     talking to the ports.
 403
 404 ======================================================================*/
 405
 406 static struct pcmcia_device_id ide_ids[] = {
 407         PCMCIA_DEVICE_FUNC_ID(4),
 408         PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000),        /* Corsair */
 409         PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000),        /* Hitachi */
 410         PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000),        /* I-O Data CFA */
 411         PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001),        /* Mitsubishi CFA */
 412         PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
 413         PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),        /* SanDisk CFA */
 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", "CF500", 0x7ed2ad87, 0x7a13045c),
 444         PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
 445         PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
 446         PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
 447         PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
 448         PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
 449         PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
 450         PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
 451         PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
 452         PCMCIA_DEVICE_PROD_ID1("TRANSCEND    512M   ", 0xd0909443),
 453         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
 454         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
 455         PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
 456         PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
 457         PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
 458         PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
 459         PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
 460         PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
 461         PCMCIA_DEVICE_NULL,
 462 };
 463 MODULE_DEVICE_TABLE(pcmcia, ide_ids);
 464
 465 static struct pcmcia_driver ide_cs_driver = {
 466         .owner          = THIS_MODULE,
 467         .drv            = {
 468                 .name   = "ide-cs",
 469         },
 470         .probe          = ide_probe,
 471         .remove         = ide_detach,
 472         .id_table       = ide_ids,
 473 };
 474
 475 static int __init init_ide_cs(void)
 476 {
 477         return pcmcia_register_driver(&ide_cs_driver);
 478 }
 479
 480 static void __exit exit_ide_cs(void)
 481 {
 482         pcmcia_unregister_driver(&ide_cs_driver);
 483 }
 484
 485 late_initcall(init_ide_cs);
 486 module_exit(exit_ide_cs);