blob: a35a58bef1a4eb4d1752bc2929eb528956206035 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
2
3 A driver for PCMCIA IDE/ATA disk cards
4
5 ide-cs.c 1.3 2002/10/26 05:45:31
6
7 The contents of this file are subject to the Mozilla Public
8 License Version 1.1 (the "License"); you may not use this file
9 except in compliance with the License. You may obtain a copy of
10 the License at http://www.mozilla.org/MPL/
11
12 Software distributed under the License is distributed on an "AS
13 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
14 implied. See the License for the specific language governing
15 rights and limitations under the License.
16
17 The initial developer of the original code is David A. Hinds
18 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
19 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
20
21 Alternatively, the contents of this file may be used under the
22 terms of the GNU General Public License version 2 (the "GPL"), in
23 which case the provisions of the GPL are applicable instead of the
24 above. If you wish to allow the use of your version of this file
25 only under the terms of the GPL and not to allow others to use
26 your version of this file under the MPL, indicate your decision
27 by deleting the provisions above and replace them with the notice
28 and other provisions required by the GPL. If you do not delete
29 the provisions above, a recipient may use your version of this
30 file under either the MPL or the GPL.
31
32======================================================================*/
33
34#include <linux/module.h>
35#include <linux/kernel.h>
36#include <linux/init.h>
37#include <linux/sched.h>
38#include <linux/ptrace.h>
39#include <linux/slab.h>
40#include <linux/string.h>
41#include <linux/timer.h>
42#include <linux/ioport.h>
43#include <linux/ide.h>
44#include <linux/hdreg.h>
45#include <linux/major.h>
Nishanth Aravamudan2aad5f02005-09-10 00:27:15 -070046#include <linux/delay.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#include <asm/io.h>
48#include <asm/system.h>
49
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#include <pcmcia/cs_types.h>
51#include <pcmcia/cs.h>
52#include <pcmcia/cistpl.h>
53#include <pcmcia/ds.h>
54#include <pcmcia/cisreg.h>
55#include <pcmcia/ciscode.h>
56
57/*====================================================================*/
58
59/* Module parameters */
60
61MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
62MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
63MODULE_LICENSE("Dual MPL/GPL");
64
65#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
66
67#ifdef PCMCIA_DEBUG
68INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
69#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
70static char *version =
71"ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)";
72#else
73#define DEBUG(n, args...)
74#endif
75
76/*====================================================================*/
77
78static const char ide_major[] = {
79 IDE0_MAJOR, IDE1_MAJOR, IDE2_MAJOR, IDE3_MAJOR,
80 IDE4_MAJOR, IDE5_MAJOR
81};
82
83typedef struct ide_info_t {
84 dev_link_t link;
85 int ndev;
86 dev_node_t node;
87 int hd;
88} ide_info_t;
89
90static void ide_release(dev_link_t *);
91static int ide_event(event_t event, int priority,
92 event_callback_args_t *args);
93
94static dev_info_t dev_info = "ide-cs";
95
96static dev_link_t *ide_attach(void);
97static void ide_detach(dev_link_t *);
98
99static dev_link_t *dev_list = NULL;
100
101/*======================================================================
102
103 ide_attach() creates an "instance" of the driver, allocating
104 local data structures for one device. The device is registered
105 with Card Services.
106
107======================================================================*/
108
109static dev_link_t *ide_attach(void)
110{
111 ide_info_t *info;
112 dev_link_t *link;
113 client_reg_t client_reg;
114 int ret;
115
116 DEBUG(0, "ide_attach()\n");
117
118 /* Create new ide device */
119 info = kmalloc(sizeof(*info), GFP_KERNEL);
120 if (!info) return NULL;
121 memset(info, 0, sizeof(*info));
122 link = &info->link; link->priv = info;
123
124 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
125 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
126 link->io.IOAddrLines = 3;
127 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
128 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
129 link->conf.Attributes = CONF_ENABLE_IRQ;
130 link->conf.Vcc = 50;
131 link->conf.IntType = INT_MEMORY_AND_IO;
132
133 /* Register with Card Services */
134 link->next = dev_list;
135 dev_list = link;
136 client_reg.dev_info = &dev_info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 client_reg.Version = 0x0210;
138 client_reg.event_callback_args.client_data = link;
139 ret = pcmcia_register_client(&link->handle, &client_reg);
140 if (ret != CS_SUCCESS) {
141 cs_error(link->handle, RegisterClient, ret);
142 ide_detach(link);
143 return NULL;
144 }
145
146 return link;
147} /* ide_attach */
148
149/*======================================================================
150
151 This deletes a driver "instance". The device is de-registered
152 with Card Services. If it has been released, all local data
153 structures are freed. Otherwise, the structures will be freed
154 when the device is released.
155
156======================================================================*/
157
158static void ide_detach(dev_link_t *link)
159{
160 dev_link_t **linkp;
161 int ret;
162
163 DEBUG(0, "ide_detach(0x%p)\n", link);
164
165 /* Locate device structure */
166 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
167 if (*linkp == link) break;
168 if (*linkp == NULL)
169 return;
170
171 if (link->state & DEV_CONFIG)
172 ide_release(link);
173
174 if (link->handle) {
175 ret = pcmcia_deregister_client(link->handle);
176 if (ret != CS_SUCCESS)
177 cs_error(link->handle, DeregisterClient, ret);
178 }
179
180 /* Unlink, free device structure */
181 *linkp = link->next;
182 kfree(link->priv);
183
184} /* ide_detach */
185
186static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
187{
188 hw_regs_t hw;
189 memset(&hw, 0, sizeof(hw));
190 ide_init_hwif_ports(&hw, io, ctl, NULL);
191 hw.irq = irq;
192 hw.chipset = ide_pci;
193 return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
194}
195
196/*======================================================================
197
198 ide_config() is scheduled to run after a CARD_INSERTION event
199 is received, to configure the PCMCIA socket, and to make the
200 ide device available to the system.
201
202======================================================================*/
203
204#define CS_CHECK(fn, ret) \
205do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
206
207static void ide_config(dev_link_t *link)
208{
209 client_handle_t handle = link->handle;
210 ide_info_t *info = link->priv;
211 tuple_t tuple;
212 struct {
213 u_short buf[128];
214 cisparse_t parse;
215 config_info_t conf;
216 cistpl_cftable_entry_t dflt;
217 } *stk = NULL;
218 cistpl_cftable_entry_t *cfg;
219 int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
220 unsigned long io_base, ctl_base;
221
222 DEBUG(0, "ide_config(0x%p)\n", link);
223
224 stk = kmalloc(sizeof(*stk), GFP_KERNEL);
225 if (!stk) goto err_mem;
226 memset(stk, 0, sizeof(*stk));
227 cfg = &stk->parse.cftable_entry;
228
229 tuple.TupleData = (cisdata_t *)&stk->buf;
230 tuple.TupleOffset = 0;
231 tuple.TupleDataMax = 255;
232 tuple.Attributes = 0;
233 tuple.DesiredTuple = CISTPL_CONFIG;
234 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
235 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
236 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &stk->parse));
237 link->conf.ConfigBase = stk->parse.config.base;
238 link->conf.Present = stk->parse.config.rmask[0];
239
240 tuple.DesiredTuple = CISTPL_MANFID;
241 if (!pcmcia_get_first_tuple(handle, &tuple) &&
242 !pcmcia_get_tuple_data(handle, &tuple) &&
243 !pcmcia_parse_tuple(handle, &tuple, &stk->parse))
244 is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
245 ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) ||
246 (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
247
248 /* Configure card */
249 link->state |= DEV_CONFIG;
250
251 /* Not sure if this is right... look up the current Vcc */
252 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf));
253 link->conf.Vcc = stk->conf.Vcc;
254
255 pass = io_base = ctl_base = 0;
256 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
257 tuple.Attributes = 0;
258 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
259 while (1) {
260 if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry;
261 if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry;
262
263 /* Check for matching Vcc, unless we're desperate */
264 if (!pass) {
265 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
266 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
267 goto next_entry;
268 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
269 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
270 goto next_entry;
271 }
272 }
273
274 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
275 link->conf.Vpp1 = link->conf.Vpp2 =
276 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
277 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
278 link->conf.Vpp1 = link->conf.Vpp2 =
279 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
280
281 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
282 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
283 link->conf.ConfigIndex = cfg->index;
284 link->io.BasePort1 = io->win[0].base;
285 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
286 if (!(io->flags & CISTPL_IO_16BIT))
287 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
288 if (io->nwin == 2) {
289 link->io.NumPorts1 = 8;
290 link->io.BasePort2 = io->win[1].base;
291 link->io.NumPorts2 = (is_kme) ? 2 : 1;
292 if (pcmcia_request_io(link->handle, &link->io) != 0)
293 goto next_entry;
294 io_base = link->io.BasePort1;
295 ctl_base = link->io.BasePort2;
296 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
297 link->io.NumPorts1 = io->win[0].len;
298 link->io.NumPorts2 = 0;
299 if (pcmcia_request_io(link->handle, &link->io) != 0)
300 goto next_entry;
301 io_base = link->io.BasePort1;
302 ctl_base = link->io.BasePort1 + 0x0e;
303 } else goto next_entry;
304 /* If we've got this far, we're done */
305 break;
306 }
307
308 next_entry:
309 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
310 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
311 if (pass) {
312 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
313 } else if (pcmcia_get_next_tuple(handle, &tuple) != 0) {
314 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
315 memset(&stk->dflt, 0, sizeof(stk->dflt));
316 pass++;
317 }
318 }
319
320 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
321 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
322
323 /* disable drive interrupts during IDE probe */
324 outb(0x02, ctl_base);
325
326 /* special setup for KXLC005 card */
327 if (is_kme)
328 outb(0x81, ctl_base+1);
329
330 /* retry registration in case device is still spinning up */
331 for (hd = -1, i = 0; i < 10; i++) {
332 hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ);
333 if (hd >= 0) break;
334 if (link->io.NumPorts1 == 0x20) {
335 outb(0x02, ctl_base + 0x10);
336 hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
337 link->irq.AssignedIRQ);
338 if (hd >= 0) {
339 io_base += 0x10;
340 ctl_base += 0x10;
341 break;
342 }
343 }
Nishanth Aravamudan2aad5f02005-09-10 00:27:15 -0700344 msleep(100);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345 }
346
347 if (hd < 0) {
348 printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
349 ", irq %u failed\n", io_base, ctl_base,
350 link->irq.AssignedIRQ);
351 goto failed;
352 }
353
354 info->ndev = 1;
355 sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
356 info->node.major = ide_major[hd];
357 info->node.minor = 0;
358 info->hd = hd;
359 link->dev = &info->node;
360 printk(KERN_INFO "ide-cs: %s: Vcc = %d.%d, Vpp = %d.%d\n",
361 info->node.dev_name, link->conf.Vcc / 10, link->conf.Vcc % 10,
362 link->conf.Vpp1 / 10, link->conf.Vpp1 % 10);
363
364 link->state &= ~DEV_CONFIG_PENDING;
365 kfree(stk);
366 return;
367
368err_mem:
369 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
370 goto failed;
371
372cs_failed:
373 cs_error(link->handle, last_fn, last_ret);
374failed:
375 kfree(stk);
376 ide_release(link);
377 link->state &= ~DEV_CONFIG_PENDING;
378} /* ide_config */
379
380/*======================================================================
381
382 After a card is removed, ide_release() will unregister the net
383 device, and release the PCMCIA configuration. If the device is
384 still open, this will be postponed until it is closed.
385
386======================================================================*/
387
388void ide_release(dev_link_t *link)
389{
390 ide_info_t *info = link->priv;
391
392 DEBUG(0, "ide_release(0x%p)\n", link);
393
394 if (info->ndev) {
395 /* FIXME: if this fails we need to queue the cleanup somehow
396 -- need to investigate the required PCMCIA magic */
397 ide_unregister(info->hd);
398 }
399 info->ndev = 0;
400 link->dev = NULL;
401
402 pcmcia_release_configuration(link->handle);
403 pcmcia_release_io(link->handle, &link->io);
404 pcmcia_release_irq(link->handle, &link->irq);
405
406 link->state &= ~DEV_CONFIG;
407
408} /* ide_release */
409
410/*======================================================================
411
412 The card status event handler. Mostly, this schedules other
413 stuff to run after an event is received. A CARD_REMOVAL event
414 also sets some flags to discourage the ide drivers from
415 talking to the ports.
416
417======================================================================*/
418
419int ide_event(event_t event, int priority,
420 event_callback_args_t *args)
421{
422 dev_link_t *link = args->client_data;
423
424 DEBUG(1, "ide_event(0x%06x)\n", event);
425
426 switch (event) {
427 case CS_EVENT_CARD_REMOVAL:
428 link->state &= ~DEV_PRESENT;
429 if (link->state & DEV_CONFIG)
430 ide_release(link);
431 break;
432 case CS_EVENT_CARD_INSERTION:
433 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
434 ide_config(link);
435 break;
436 case CS_EVENT_PM_SUSPEND:
437 link->state |= DEV_SUSPEND;
438 /* Fall through... */
439 case CS_EVENT_RESET_PHYSICAL:
440 if (link->state & DEV_CONFIG)
441 pcmcia_release_configuration(link->handle);
442 break;
443 case CS_EVENT_PM_RESUME:
444 link->state &= ~DEV_SUSPEND;
445 /* Fall through... */
446 case CS_EVENT_CARD_RESET:
447 if (DEV_OK(link))
448 pcmcia_request_configuration(link->handle, &link->conf);
449 break;
450 }
451 return 0;
452} /* ide_event */
453
Dominik Brodowskif70b7d42005-06-27 16:28:28 -0700454static struct pcmcia_device_id ide_ids[] = {
455 PCMCIA_DEVICE_FUNC_ID(4),
456 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
Dominik Brodowskif8f7cc02005-06-27 16:28:29 -0700457 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
Dominik Brodowskid3feb182005-09-09 13:03:28 -0700458 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
459 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
460 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
461 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
462 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
Dominik Brodowskif70b7d42005-06-27 16:28:28 -0700463 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
464 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
465 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
466 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
467 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
468 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
469 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
470 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
Komurod277ad02005-07-28 01:07:24 -0700471 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
Dominik Brodowskif70b7d42005-06-27 16:28:28 -0700472 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
473 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
474 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
475 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
476 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
477 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
478 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
479 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
Dominik Brodowski2570b742005-09-17 11:17:56 +0200480 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
Dominik Brodowskif70b7d42005-06-27 16:28:28 -0700481 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
482 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
483 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
484 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
485 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
486 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
Dominik Brodowskid3feb182005-09-09 13:03:28 -0700487 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
Pavel Roskin698e22c2005-07-28 01:07:19 -0700488 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
Dominik Brodowskif70b7d42005-06-27 16:28:28 -0700489 PCMCIA_DEVICE_NULL,
490};
491MODULE_DEVICE_TABLE(pcmcia, ide_ids);
492
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493static struct pcmcia_driver ide_cs_driver = {
494 .owner = THIS_MODULE,
495 .drv = {
496 .name = "ide-cs",
497 },
498 .attach = ide_attach,
Dominik Brodowski1e212f32005-07-07 17:59:00 -0700499 .event = ide_event,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500 .detach = ide_detach,
Dominik Brodowskif70b7d42005-06-27 16:28:28 -0700501 .id_table = ide_ids,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502};
503
504static int __init init_ide_cs(void)
505{
506 return pcmcia_register_driver(&ide_cs_driver);
507}
508
509static void __exit exit_ide_cs(void)
510{
511 pcmcia_unregister_driver(&ide_cs_driver);
512 BUG_ON(dev_list != NULL);
513}
514
Dominik Brodowski2b8d4662005-08-01 14:16:55 +0200515late_initcall(init_ide_cs);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516module_exit(exit_ide_cs);