tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
60MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
61MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
62MODULE_LICENSE("Dual MPL/GPL");
63
64#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
65
66#ifdef PCMCIA_DEBUG
67INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
68#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
69static 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
77typedef 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
84static void ide_release(struct pcmcia_device *);
85static int ide_config(struct pcmcia_device *);
86
87static 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
100static 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
134static void ide_detach(struct pcmcia_device *link)
135{
136 ide_info_t *info = link->priv;
137 ide_hwif_t *hwif = info->hwif;
138 unsigned long data_addr, ctl_addr;
139
140 DEBUG(0, "ide_detach(0x%p)\n", link);
141
142 data_addr = hwif->io_ports.data_addr;
143 ctl_addr = hwif->io_ports.ctl_addr;
144
145 ide_release(link);
146
147 release_region(ctl_addr, 1);
148 release_region(data_addr, 8);
149
150 kfree(info);
151} /* ide_detach */
152
153static const struct ide_port_ops idecs_port_ops = {
154 .quirkproc = ide_undecoded_slave,
155};
156
157static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl,
158 unsigned long irq, struct pcmcia_device *handle)
159{
160 ide_hwif_t *hwif;
161 hw_regs_t hw;
162 int i;
163 u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
164
165 if (!request_region(io, 8, DRV_NAME)) {
166 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
167 DRV_NAME, io, io + 7);
168 return NULL;
169 }
170
171 if (!request_region(ctl, 1, DRV_NAME)) {
172 printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
173 DRV_NAME, ctl);
174 release_region(io, 8);
175 return NULL;
176 }
177
178 memset(&hw, 0, sizeof(hw));
179 ide_std_init_ports(&hw, io, ctl);
180 hw.irq = irq;
181 hw.chipset = ide_pci;
182 hw.dev = &handle->dev;
183
184 hwif = ide_find_port();
185 if (hwif == NULL)
186 goto out_release;
187
188 i = hwif->index;
189
190 ide_init_port_data(hwif, i);
191 ide_init_port_hw(hwif, &hw);
192 hwif->port_ops = &idecs_port_ops;
193
194 idx[0] = i;
195
196 ide_device_add(idx, NULL);
197
198 if (hwif->present)
199 return hwif;
200
201 /* retry registration in case device is still spinning up */
202 for (i = 0; i < 10; i++) {
203 msleep(100);
204 ide_port_scan(hwif);
205 if (hwif->present)
206 return hwif;
207 }
208
209 return hwif;
210
211out_release:
212 release_region(ctl, 1);
213 release_region(io, 8);
214 return NULL;
215}
216
217/*======================================================================
218
219 ide_config() is scheduled to run after a CARD_INSERTION event
220 is received, to configure the PCMCIA socket, and to make the
221 ide device available to the system.
222
223======================================================================*/
224
225#define CS_CHECK(fn, ret) \
226do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
227
228static int ide_config(struct pcmcia_device *link)
229{
230 ide_info_t *info = link->priv;
231 tuple_t tuple;
232 struct {
233 u_short buf[128];
234 cisparse_t parse;
235 config_info_t conf;
236 cistpl_cftable_entry_t dflt;
237 } *stk = NULL;
238 cistpl_cftable_entry_t *cfg;
239 int pass, last_ret = 0, last_fn = 0, is_kme = 0;
240 unsigned long io_base, ctl_base;
241 ide_hwif_t *hwif;
242
243 DEBUG(0, "ide_config(0x%p)\n", link);
244
245 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
246 if (!stk) goto err_mem;
247 cfg = &stk->parse.cftable_entry;
248
249 tuple.TupleData = (cisdata_t *)&stk->buf;
250 tuple.TupleOffset = 0;
251 tuple.TupleDataMax = 255;
252 tuple.Attributes = 0;
253
254 is_kme = ((link->manf_id == MANFID_KME) &&
255 ((link->card_id == PRODID_KME_KXLC005_A) ||
256 (link->card_id == PRODID_KME_KXLC005_B)));
257
258 /* Not sure if this is right... look up the current Vcc */
259 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));
260
261 pass = io_base = ctl_base = 0;
262 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
263 tuple.Attributes = 0;
264 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
265 while (1) {
266 if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry;
267 if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry;
268
269 /* Check for matching Vcc, unless we're desperate */
270 if (!pass) {
271 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
272 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
273 goto next_entry;
274 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
275 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
276 goto next_entry;
277 }
278 }
279
280 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
281 link->conf.Vpp =
282 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
283 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
284 link->conf.Vpp =
285 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
286
287 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
288 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
289 link->conf.ConfigIndex = cfg->index;
290 link->io.BasePort1 = io->win[0].base;
291 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
292 if (!(io->flags & CISTPL_IO_16BIT))
293 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
294 if (io->nwin == 2) {
295 link->io.NumPorts1 = 8;
296 link->io.BasePort2 = io->win[1].base;
297 link->io.NumPorts2 = (is_kme) ? 2 : 1;
298 if (pcmcia_request_io(link, &link->io) != 0)
299 goto next_entry;
300 io_base = link->io.BasePort1;
301 ctl_base = link->io.BasePort2;
302 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
303 link->io.NumPorts1 = io->win[0].len;
304 link->io.NumPorts2 = 0;
305 if (pcmcia_request_io(link, &link->io) != 0)
306 goto next_entry;
307 io_base = link->io.BasePort1;
308 ctl_base = link->io.BasePort1 + 0x0e;
309 } else goto next_entry;
310 /* If we've got this far, we're done */
311 break;
312 }
313
314 next_entry:
315 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
316 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
317 if (pass) {
318 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
319 } else if (pcmcia_get_next_tuple(link, &tuple) != 0) {
320 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
321 memset(&stk->dflt, 0, sizeof(stk->dflt));
322 pass++;
323 }
324 }
325
326 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
327 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
328
329 /* disable drive interrupts during IDE probe */
330 outb(0x02, ctl_base);
331
332 /* special setup for KXLC005 card */
333 if (is_kme)
334 outb(0x81, ctl_base+1);
335
336 hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
337 if (hwif == NULL && link->io.NumPorts1 == 0x20) {
338 outb(0x02, ctl_base + 0x10);
339 hwif = idecs_register(io_base + 0x10, ctl_base + 0x10,
340 link->irq.AssignedIRQ, link);
341 }
342
343 if (hwif == NULL)
344 goto failed;
345
346 info->ndev = 1;
347 sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2);
348 info->node.major = hwif->major;
349 info->node.minor = 0;
350 info->hwif = hwif;
351 link->dev_node = &info->node;
352 printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
353 info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
354
355 kfree(stk);
356 return 0;
357
358err_mem:
359 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
360 goto failed;
361
362cs_failed:
363 cs_error(link, last_fn, last_ret);
364failed:
365 kfree(stk);
366 ide_release(link);
367 return -ENODEV;
368} /* ide_config */
369
370/*======================================================================
371
372 After a card is removed, ide_release() will unregister the net
373 device, and release the PCMCIA configuration. If the device is
374 still open, this will be postponed until it is closed.
375
376======================================================================*/
377
378void ide_release(struct pcmcia_device *link)
379{
380 ide_info_t *info = link->priv;
381 ide_hwif_t *hwif = info->hwif;
382
383 DEBUG(0, "ide_release(0x%p)\n", link);
384
385 if (info->ndev) {
386 /* FIXME: if this fails we need to queue the cleanup somehow
387 -- need to investigate the required PCMCIA magic */
388 ide_unregister(hwif);
389 }
390 info->ndev = 0;
391
392 pcmcia_disable_device(link);
393} /* ide_release */
394
395
396/*======================================================================
397
398 The card status event handler. Mostly, this schedules other
399 stuff to run after an event is received. A CARD_REMOVAL event
400 also sets some flags to discourage the ide drivers from
401 talking to the ports.
402
403======================================================================*/
404
405static struct pcmcia_device_id ide_ids[] = {
406 PCMCIA_DEVICE_FUNC_ID(4),
407 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
408 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
409 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
410 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
411 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
412 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
413 PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */
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", "CF300", 0x7ed2ad87, 0x7e9e78ee),
444 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
445 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
446 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
447 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
448 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
449 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
450 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
451 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
452 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
453 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
454 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
455 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
456 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
457 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
458 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
459 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
460 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
461 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
462 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
463 PCMCIA_DEVICE_NULL,
464};
465MODULE_DEVICE_TABLE(pcmcia, ide_ids);
466
467static struct pcmcia_driver ide_cs_driver = {
468 .owner = THIS_MODULE,
469 .drv = {
470 .name = "ide-cs",
471 },
472 .probe = ide_probe,
473 .remove = ide_detach,
474 .id_table = ide_ids,
475};
476
477static int __init init_ide_cs(void)
478{
479 return pcmcia_register_driver(&ide_cs_driver);
480}
481
482static void __exit exit_ide_cs(void)
483{
484 pcmcia_unregister_driver(&ide_cs_driver);
485}
486
487late_initcall(init_ide_cs);
488module_exit(exit_ide_cs);