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/major.h> 42#include <linux/delay.h> 43#include <asm/io.h> 44#include <asm/system.h> 45 46#include <pcmcia/cs.h> 47#include <pcmcia/cistpl.h> 48#include <pcmcia/ds.h> 49#include <pcmcia/cisreg.h> 50#include <pcmcia/ciscode.h> 51 52#define DRV_NAME "ide-cs" 53 54/*====================================================================*/ 55 56/* Module parameters */ 57 58MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); 59MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver"); 60MODULE_LICENSE("Dual MPL/GPL"); 61 62/*====================================================================*/ 63 64typedef struct ide_info_t { 65 struct pcmcia_device *p_dev; 66 struct ide_host *host; 67 int ndev; 68} ide_info_t; 69 70static void ide_release(struct pcmcia_device *); 71static int ide_config(struct pcmcia_device *); 72 73static void ide_detach(struct pcmcia_device *p_dev); 74 75 76 77 78/*====================================================================== 79 80 ide_attach() creates an "instance" of the driver, allocating 81 local data structures for one device. The device is registered 82 with Card Services. 83 84======================================================================*/ 85 86static int ide_probe(struct pcmcia_device *link) 87{ 88 ide_info_t *info; 89 90 dev_dbg(&link->dev, "ide_attach()\n"); 91 92 /* Create new ide device */ 93 info = kzalloc(sizeof(*info), GFP_KERNEL); 94 if (!info) 95 return -ENOMEM; 96 97 info->p_dev = link; 98 link->priv = info; 99 100 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 101 link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; 102 link->conf.Attributes = CONF_ENABLE_IRQ; 103 link->conf.IntType = INT_MEMORY_AND_IO; 104 105 return ide_config(link); 106} /* ide_attach */ 107 108/*====================================================================== 109 110 This deletes a driver "instance". The device is de-registered 111 with Card Services. If it has been released, all local data 112 structures are freed. Otherwise, the structures will be freed 113 when the device is released. 114 115======================================================================*/ 116 117static void ide_detach(struct pcmcia_device *link) 118{ 119 ide_info_t *info = link->priv; 120 121 dev_dbg(&link->dev, "ide_detach(0x%p)\n", link); 122 123 ide_release(link); 124 125 kfree(info); 126} /* ide_detach */ 127 128static const struct ide_port_ops idecs_port_ops = { 129 .quirkproc = ide_undecoded_slave, 130}; 131 132static const struct ide_port_info idecs_port_info = { 133 .port_ops = &idecs_port_ops, 134 .host_flags = IDE_HFLAG_NO_DMA, 135 .irq_flags = IRQF_SHARED, 136 .chipset = ide_pci, 137}; 138 139static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, 140 unsigned long irq, struct pcmcia_device *handle) 141{ 142 struct ide_host *host; 143 ide_hwif_t *hwif; 144 int i, rc; 145 struct ide_hw hw, *hws[] = { &hw }; 146 147 if (!request_region(io, 8, DRV_NAME)) { 148 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", 149 DRV_NAME, io, io + 7); 150 return NULL; 151 } 152 153 if (!request_region(ctl, 1, DRV_NAME)) { 154 printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", 155 DRV_NAME, ctl); 156 release_region(io, 8); 157 return NULL; 158 } 159 160 memset(&hw, 0, sizeof(hw)); 161 ide_std_init_ports(&hw, io, ctl); 162 hw.irq = irq; 163 hw.dev = &handle->dev; 164 165 rc = ide_host_add(&idecs_port_info, hws, 1, &host); 166 if (rc) 167 goto out_release; 168 169 hwif = host->ports[0]; 170 171 if (hwif->present) 172 return host; 173 174 /* retry registration in case device is still spinning up */ 175 for (i = 0; i < 10; i++) { 176 msleep(100); 177 ide_port_scan(hwif); 178 if (hwif->present) 179 return host; 180 } 181 182 return host; 183 184out_release: 185 release_region(ctl, 1); 186 release_region(io, 8); 187 return NULL; 188} 189 190/*====================================================================== 191 192 ide_config() is scheduled to run after a CARD_INSERTION event 193 is received, to configure the PCMCIA socket, and to make the 194 ide device available to the system. 195 196======================================================================*/ 197 198struct pcmcia_config_check { 199 unsigned long ctl_base; 200 int skip_vcc; 201 int is_kme; 202}; 203 204static int pcmcia_check_one_config(struct pcmcia_device *pdev, 205 cistpl_cftable_entry_t *cfg, 206 cistpl_cftable_entry_t *dflt, 207 unsigned int vcc, 208 void *priv_data) 209{ 210 struct pcmcia_config_check *stk = priv_data; 211 212 /* Check for matching Vcc, unless we're desperate */ 213 if (!stk->skip_vcc) { 214 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { 215 if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) 216 return -ENODEV; 217 } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) { 218 if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) 219 return -ENODEV; 220 } 221 } 222 223 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) 224 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; 225 else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) 226 pdev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000; 227 228 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) { 229 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; 230 pdev->io_lines = io->flags & CISTPL_IO_LINES_MASK; 231 232 pdev->conf.ConfigIndex = cfg->index; 233 pdev->resource[0]->start = io->win[0].base; 234 if (!(io->flags & CISTPL_IO_16BIT)) { 235 pdev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; 236 pdev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; 237 } 238 if (io->nwin == 2) { 239 pdev->resource[0]->end = 8; 240 pdev->resource[1]->start = io->win[1].base; 241 pdev->resource[1]->end = (stk->is_kme) ? 2 : 1; 242 if (pcmcia_request_io(pdev) != 0) 243 return -ENODEV; 244 stk->ctl_base = pdev->resource[1]->start; 245 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { 246 pdev->resource[0]->end = io->win[0].len; 247 pdev->resource[1]->end = 0; 248 if (pcmcia_request_io(pdev) != 0) 249 return -ENODEV; 250 stk->ctl_base = pdev->resource[0]->start + 0x0e; 251 } else 252 return -ENODEV; 253 /* If we've got this far, we're done */ 254 return 0; 255 } 256 return -ENODEV; 257} 258 259static int ide_config(struct pcmcia_device *link) 260{ 261 ide_info_t *info = link->priv; 262 struct pcmcia_config_check *stk = NULL; 263 int ret = 0, is_kme = 0; 264 unsigned long io_base, ctl_base; 265 struct ide_host *host; 266 267 dev_dbg(&link->dev, "ide_config(0x%p)\n", link); 268 269 is_kme = ((link->manf_id == MANFID_KME) && 270 ((link->card_id == PRODID_KME_KXLC005_A) || 271 (link->card_id == PRODID_KME_KXLC005_B))); 272 273 stk = kzalloc(sizeof(*stk), GFP_KERNEL); 274 if (!stk) 275 goto err_mem; 276 stk->is_kme = is_kme; 277 stk->skip_vcc = io_base = ctl_base = 0; 278 279 if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) { 280 stk->skip_vcc = 1; 281 if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) 282 goto failed; /* No suitable config found */ 283 } 284 io_base = link->resource[0]->start; 285 ctl_base = stk->ctl_base; 286 287 if (!link->irq) 288 goto failed; 289 ret = pcmcia_request_configuration(link, &link->conf); 290 if (ret) 291 goto failed; 292 293 /* disable drive interrupts during IDE probe */ 294 outb(0x02, ctl_base); 295 296 /* special setup for KXLC005 card */ 297 if (is_kme) 298 outb(0x81, ctl_base+1); 299 300 host = idecs_register(io_base, ctl_base, link->irq, link); 301 if (host == NULL && resource_size(link->resource[0]) == 0x20) { 302 outb(0x02, ctl_base + 0x10); 303 host = idecs_register(io_base + 0x10, ctl_base + 0x10, 304 link->irq, link); 305 } 306 307 if (host == NULL) 308 goto failed; 309 310 info->ndev = 1; 311 info->host = host; 312 dev_info(&link->dev, "ide-cs: hd%c: Vpp = %d.%d\n", 313 'a' + host->ports[0]->index * 2, 314 link->conf.Vpp / 10, link->conf.Vpp % 10); 315 316 kfree(stk); 317 return 0; 318 319err_mem: 320 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n"); 321 goto failed; 322 323failed: 324 kfree(stk); 325 ide_release(link); 326 return -ENODEV; 327} /* ide_config */ 328 329/*====================================================================== 330 331 After a card is removed, ide_release() will unregister the net 332 device, and release the PCMCIA configuration. If the device is 333 still open, this will be postponed until it is closed. 334 335======================================================================*/ 336 337static void ide_release(struct pcmcia_device *link) 338{ 339 ide_info_t *info = link->priv; 340 struct ide_host *host = info->host; 341 342 dev_dbg(&link->dev, "ide_release(0x%p)\n", link); 343 344 if (info->ndev) { 345 ide_hwif_t *hwif = host->ports[0]; 346 unsigned long data_addr, ctl_addr; 347 348 data_addr = hwif->io_ports.data_addr; 349 ctl_addr = hwif->io_ports.ctl_addr; 350 351 ide_host_remove(host); 352 info->ndev = 0; 353 354 release_region(ctl_addr, 1); 355 release_region(data_addr, 8); 356 } 357 358 pcmcia_disable_device(link); 359} /* ide_release */ 360 361 362/*====================================================================== 363 364 The card status event handler. Mostly, this schedules other 365 stuff to run after an event is received. A CARD_REMOVAL event 366 also sets some flags to discourage the ide drivers from 367 talking to the ports. 368 369======================================================================*/ 370 371static struct pcmcia_device_id ide_ids[] = { 372 PCMCIA_DEVICE_FUNC_ID(4), 373 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */ 374 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */ 375 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */ 376 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */ 377 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), 378 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904), 379 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */ 380 PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */ 381 PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */ 382 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ 383 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), 384 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ 385 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */ 386 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), 387 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */ 388 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */ 389 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), 390 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74), 391 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9), 392 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591), 393 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728), 394 PCMCIA_DEVICE_PROD_ID12("CNF ", "CD-ROM", 0x46d7db81, 0x66536591), 395 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591), 396 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4), 397 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde), 398 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf), 399 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), 400 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), 401 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), 402 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), 403 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), 404 PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420), 405 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178), 406 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), 407 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 1GB", 0x2e6d1829, 0x55d5bffb), 408 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 4GB", 0x2e6d1829, 0x531e7d10), 409 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e), 410 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), 411 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), 412 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), 413 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), 414 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee), 415 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c), 416 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), 417 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), 418 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728), 419 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1), 420 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883), 421 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d), 422 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), 423 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), 424 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), 425 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32), 426 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), 427 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2), 428 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), 429 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF133", 0x709b1bf1, 0x7558f133), 430 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS8GCF133", 0x709b1bf1, 0xb2f89b47), 431 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), 432 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), 433 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), 434 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), 435 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), 436 PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506), 437 PCMCIA_DEVICE_NULL, 438}; 439MODULE_DEVICE_TABLE(pcmcia, ide_ids); 440 441static struct pcmcia_driver ide_cs_driver = { 442 .owner = THIS_MODULE, 443 .drv = { 444 .name = "ide-cs", 445 }, 446 .probe = ide_probe, 447 .remove = ide_detach, 448 .id_table = ide_ids, 449}; 450 451static int __init init_ide_cs(void) 452{ 453 return pcmcia_register_driver(&ide_cs_driver); 454} 455 456static void __exit exit_ide_cs(void) 457{ 458 pcmcia_unregister_driver(&ide_cs_driver); 459} 460 461late_initcall(init_ide_cs); 462module_exit(exit_ide_cs); 463