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 = kmalloc(sizeof(*info), GFP_KERNEL);
120 if (!info) return NULL;
121 memset(info, 0, sizeof(*info));
122 link = &info->link; link->priv = info;
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;
131 link->conf.IntType = INT_MEMORY_AND_IO;
133 /* Register with Card Services */
134 link->next = dev_list;
136 client_reg.dev_info = &dev_info;
137 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);
149 /*======================================================================
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.
156 ======================================================================*/
158 static void ide_detach(dev_link_t *link)
163 DEBUG(0, "ide_detach(0x%p)\n", link);
165 /* Locate device structure */
166 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
167 if (*linkp == link) break;
171 if (link->state & DEV_CONFIG)
175 ret = pcmcia_deregister_client(link->handle);
176 if (ret != CS_SUCCESS)
177 cs_error(link->handle, DeregisterClient, ret);
180 /* Unlink, free device structure */
186 static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
189 memset(&hw, 0, sizeof(hw));
190 ide_init_hwif_ports(&hw, io, ctl, NULL);
192 hw.chipset = ide_pci;
193 return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
196 /*======================================================================
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.
202 ======================================================================*/
204 #define CS_CHECK(fn, ret) \
205 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
207 static void ide_config(dev_link_t *link)
209 client_handle_t handle = link->handle;
210 ide_info_t *info = link->priv;
216 cistpl_cftable_entry_t dflt;
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;
222 DEBUG(0, "ide_config(0x%p)\n", link);
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;
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];
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)));
249 link->state |= DEV_CONFIG;
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;
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));
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;
263 /* Check for matching Vcc, unless we're desperate */
265 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
266 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
268 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
269 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
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;
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;
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)
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)
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 */
309 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
310 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
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));
320 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
321 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
323 /* disable drive interrupts during IDE probe */
324 outb(0x02, ctl_base);
326 /* special setup for KXLC005 card */
328 outb(0x81, ctl_base+1);
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);
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);
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);
355 sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
356 info->node.major = ide_major[hd];
357 info->node.minor = 0;
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);
364 link->state &= ~DEV_CONFIG_PENDING;
369 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
373 cs_error(link->handle, last_fn, last_ret);
377 link->state &= ~DEV_CONFIG_PENDING;
380 /*======================================================================
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.
386 ======================================================================*/
388 void ide_release(dev_link_t *link)
390 ide_info_t *info = link->priv;
392 DEBUG(0, "ide_release(0x%p)\n", link);
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);
402 pcmcia_release_configuration(link->handle);
403 pcmcia_release_io(link->handle, &link->io);
404 pcmcia_release_irq(link->handle, &link->irq);
406 link->state &= ~DEV_CONFIG;
410 /*======================================================================
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.
417 ======================================================================*/
419 int ide_event(event_t event, int priority,
420 event_callback_args_t *args)
422 dev_link_t *link = args->client_data;
424 DEBUG(1, "ide_event(0x%06x)\n", event);
427 case CS_EVENT_CARD_REMOVAL:
428 link->state &= ~DEV_PRESENT;
429 if (link->state & DEV_CONFIG)
432 case CS_EVENT_CARD_INSERTION:
433 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
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);
443 case CS_EVENT_PM_RESUME:
444 link->state &= ~DEV_SUSPEND;
445 /* Fall through... */
446 case CS_EVENT_CARD_RESET:
448 pcmcia_request_configuration(link->handle, &link->conf);
454 static struct pcmcia_device_id ide_ids[] = {
455 PCMCIA_DEVICE_FUNC_ID(4),
456 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
457 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
458 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 */
463 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),
471 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
472 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),
480 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
481 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),
487 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
488 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
491 MODULE_DEVICE_TABLE(pcmcia, ide_ids);
493 static struct pcmcia_driver ide_cs_driver = {
494 .owner = THIS_MODULE,
498 .attach = ide_attach,
500 .detach = ide_detach,
504 static int __init init_ide_cs(void)
506 return pcmcia_register_driver(&ide_cs_driver);
509 static void __exit exit_ide_cs(void)
511 pcmcia_unregister_driver(&ide_cs_driver);
512 BUG_ON(dev_list != NULL);
515 late_initcall(init_ide_cs);
516 module_exit(exit_ide_cs);