1 /*======================================================================
3 A driver for PCMCIA IDE/ATA disk cards
5 ide-cs.c 1.3 2002/10/26 05:45:31
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/
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.
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.
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.
32 ======================================================================*/
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>
46 #include <linux/delay.h>
48 #include <asm/system.h>
50 #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>
57 /*====================================================================*/
59 /* Module parameters */
61 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
62 MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
63 MODULE_LICENSE("Dual MPL/GPL");
65 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
68 INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
69 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
70 static char *version =
71 "ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)";
73 #define DEBUG(n, args...)
76 /*====================================================================*/
78 static const char ide_major[] = {
79 IDE0_MAJOR, IDE1_MAJOR, IDE2_MAJOR, IDE3_MAJOR,
80 IDE4_MAJOR, IDE5_MAJOR
83 typedef struct ide_info_t {
90 static void ide_release(dev_link_t *);
91 static int ide_event(event_t event, int priority,
92 event_callback_args_t *args);
94 static dev_info_t dev_info = "ide-cs";
96 static dev_link_t *ide_attach(void);
97 static void ide_detach(dev_link_t *);
99 static dev_link_t *dev_list = NULL;
101 /*======================================================================
103 ide_attach() creates an "instance" of the driver, allocating
104 local data structures for one device. The device is registered
107 ======================================================================*/
109 static dev_link_t *ide_attach(void)
113 client_reg_t client_reg;
116 DEBUG(0, "ide_attach()\n");
118 /* Create new ide device */
119 info = kzalloc(sizeof(*info), GFP_KERNEL);
120 if (!info) return NULL;
121 link = &info->link; link->priv = info;
123 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
124 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
125 link->io.IOAddrLines = 3;
126 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
127 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
128 link->conf.Attributes = CONF_ENABLE_IRQ;
130 link->conf.IntType = INT_MEMORY_AND_IO;
132 /* Register with Card Services */
133 link->next = dev_list;
135 client_reg.dev_info = &dev_info;
136 client_reg.Version = 0x0210;
137 client_reg.event_callback_args.client_data = link;
138 ret = pcmcia_register_client(&link->handle, &client_reg);
139 if (ret != CS_SUCCESS) {
140 cs_error(link->handle, RegisterClient, ret);
148 /*======================================================================
150 This deletes a driver "instance". The device is de-registered
151 with Card Services. If it has been released, all local data
152 structures are freed. Otherwise, the structures will be freed
153 when the device is released.
155 ======================================================================*/
157 static void ide_detach(dev_link_t *link)
162 DEBUG(0, "ide_detach(0x%p)\n", link);
164 /* Locate device structure */
165 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
166 if (*linkp == link) break;
170 if (link->state & DEV_CONFIG)
174 ret = pcmcia_deregister_client(link->handle);
175 if (ret != CS_SUCCESS)
176 cs_error(link->handle, DeregisterClient, ret);
179 /* Unlink, free device structure */
185 static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
188 memset(&hw, 0, sizeof(hw));
189 ide_init_hwif_ports(&hw, io, ctl, NULL);
191 hw.chipset = ide_pci;
192 return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
195 /*======================================================================
197 ide_config() is scheduled to run after a CARD_INSERTION event
198 is received, to configure the PCMCIA socket, and to make the
199 ide device available to the system.
201 ======================================================================*/
203 #define CS_CHECK(fn, ret) \
204 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
206 static void ide_config(dev_link_t *link)
208 client_handle_t handle = link->handle;
209 ide_info_t *info = link->priv;
215 cistpl_cftable_entry_t dflt;
217 cistpl_cftable_entry_t *cfg;
218 int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
219 unsigned long io_base, ctl_base;
221 DEBUG(0, "ide_config(0x%p)\n", link);
223 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
224 if (!stk) goto err_mem;
225 cfg = &stk->parse.cftable_entry;
227 tuple.TupleData = (cisdata_t *)&stk->buf;
228 tuple.TupleOffset = 0;
229 tuple.TupleDataMax = 255;
230 tuple.Attributes = 0;
231 tuple.DesiredTuple = CISTPL_CONFIG;
232 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
233 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
234 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &stk->parse));
235 link->conf.ConfigBase = stk->parse.config.base;
236 link->conf.Present = stk->parse.config.rmask[0];
238 tuple.DesiredTuple = CISTPL_MANFID;
239 if (!pcmcia_get_first_tuple(handle, &tuple) &&
240 !pcmcia_get_tuple_data(handle, &tuple) &&
241 !pcmcia_parse_tuple(handle, &tuple, &stk->parse))
242 is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
243 ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) ||
244 (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
247 link->state |= DEV_CONFIG;
249 /* Not sure if this is right... look up the current Vcc */
250 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf));
251 link->conf.Vcc = stk->conf.Vcc;
253 pass = io_base = ctl_base = 0;
254 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
255 tuple.Attributes = 0;
256 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
258 if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry;
259 if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry;
261 /* Check for matching Vcc, unless we're desperate */
263 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
264 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
266 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
267 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
272 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
273 link->conf.Vpp1 = link->conf.Vpp2 =
274 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
275 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
276 link->conf.Vpp1 = link->conf.Vpp2 =
277 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
279 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
280 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
281 link->conf.ConfigIndex = cfg->index;
282 link->io.BasePort1 = io->win[0].base;
283 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
284 if (!(io->flags & CISTPL_IO_16BIT))
285 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
287 link->io.NumPorts1 = 8;
288 link->io.BasePort2 = io->win[1].base;
289 link->io.NumPorts2 = (is_kme) ? 2 : 1;
290 if (pcmcia_request_io(link->handle, &link->io) != 0)
292 io_base = link->io.BasePort1;
293 ctl_base = link->io.BasePort2;
294 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
295 link->io.NumPorts1 = io->win[0].len;
296 link->io.NumPorts2 = 0;
297 if (pcmcia_request_io(link->handle, &link->io) != 0)
299 io_base = link->io.BasePort1;
300 ctl_base = link->io.BasePort1 + 0x0e;
301 } else goto next_entry;
302 /* If we've got this far, we're done */
307 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
308 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
310 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
311 } else if (pcmcia_get_next_tuple(handle, &tuple) != 0) {
312 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
313 memset(&stk->dflt, 0, sizeof(stk->dflt));
318 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
319 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
321 /* disable drive interrupts during IDE probe */
322 outb(0x02, ctl_base);
324 /* special setup for KXLC005 card */
326 outb(0x81, ctl_base+1);
328 /* retry registration in case device is still spinning up */
329 for (hd = -1, i = 0; i < 10; i++) {
330 hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ);
332 if (link->io.NumPorts1 == 0x20) {
333 outb(0x02, ctl_base + 0x10);
334 hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
335 link->irq.AssignedIRQ);
346 printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
347 ", irq %u failed\n", io_base, ctl_base,
348 link->irq.AssignedIRQ);
353 sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
354 info->node.major = ide_major[hd];
355 info->node.minor = 0;
357 link->dev = &info->node;
358 printk(KERN_INFO "ide-cs: %s: Vcc = %d.%d, Vpp = %d.%d\n",
359 info->node.dev_name, link->conf.Vcc / 10, link->conf.Vcc % 10,
360 link->conf.Vpp1 / 10, link->conf.Vpp1 % 10);
362 link->state &= ~DEV_CONFIG_PENDING;
367 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
371 cs_error(link->handle, last_fn, last_ret);
375 link->state &= ~DEV_CONFIG_PENDING;
378 /*======================================================================
380 After a card is removed, ide_release() will unregister the net
381 device, and release the PCMCIA configuration. If the device is
382 still open, this will be postponed until it is closed.
384 ======================================================================*/
386 void ide_release(dev_link_t *link)
388 ide_info_t *info = link->priv;
390 DEBUG(0, "ide_release(0x%p)\n", link);
393 /* FIXME: if this fails we need to queue the cleanup somehow
394 -- need to investigate the required PCMCIA magic */
395 ide_unregister(info->hd);
400 pcmcia_release_configuration(link->handle);
401 pcmcia_release_io(link->handle, &link->io);
402 pcmcia_release_irq(link->handle, &link->irq);
404 link->state &= ~DEV_CONFIG;
408 /*======================================================================
410 The card status event handler. Mostly, this schedules other
411 stuff to run after an event is received. A CARD_REMOVAL event
412 also sets some flags to discourage the ide drivers from
413 talking to the ports.
415 ======================================================================*/
417 int ide_event(event_t event, int priority,
418 event_callback_args_t *args)
420 dev_link_t *link = args->client_data;
422 DEBUG(1, "ide_event(0x%06x)\n", event);
425 case CS_EVENT_CARD_REMOVAL:
426 link->state &= ~DEV_PRESENT;
427 if (link->state & DEV_CONFIG)
430 case CS_EVENT_CARD_INSERTION:
431 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
434 case CS_EVENT_PM_SUSPEND:
435 link->state |= DEV_SUSPEND;
436 /* Fall through... */
437 case CS_EVENT_RESET_PHYSICAL:
438 if (link->state & DEV_CONFIG)
439 pcmcia_release_configuration(link->handle);
441 case CS_EVENT_PM_RESUME:
442 link->state &= ~DEV_SUSPEND;
443 /* Fall through... */
444 case CS_EVENT_CARD_RESET:
446 pcmcia_request_configuration(link->handle, &link->conf);
452 static struct pcmcia_device_id ide_ids[] = {
453 PCMCIA_DEVICE_FUNC_ID(4),
454 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
455 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
456 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
457 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
458 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
459 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
460 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
461 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
462 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
463 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
464 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
465 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
466 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
467 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
468 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
469 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
470 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
471 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
472 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
473 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
474 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
475 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
476 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
477 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
478 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
479 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
480 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
481 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
482 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
483 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
484 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
485 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
486 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
489 MODULE_DEVICE_TABLE(pcmcia, ide_ids);
491 static struct pcmcia_driver ide_cs_driver = {
492 .owner = THIS_MODULE,
496 .attach = ide_attach,
498 .detach = ide_detach,
502 static int __init init_ide_cs(void)
504 return pcmcia_register_driver(&ide_cs_driver);
507 static void __exit exit_ide_cs(void)
509 pcmcia_unregister_driver(&ide_cs_driver);
510 BUG_ON(dev_list != NULL);
513 late_initcall(init_ide_cs);
514 module_exit(exit_ide_cs);