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[PATCH] pcmcia: remove unused p_dev->state flags
[mirror_ubuntu-eoan-kernel.git] / drivers / ide / legacy / ide-cs.c
CommitLineData
1da177e4
LT
1/*======================================================================
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>
2aad5f03 46#include <linux/delay.h>
1da177e4
LT
47#include <asm/io.h>
48#include <asm/system.h>
49
1da177e4
LT
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>
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 {
fd238232 84 struct pcmcia_device *p_dev;
1da177e4
LT
85 int ndev;
86 dev_node_t node;
87 int hd;
88} ide_info_t;
89
fba395ee 90static void ide_release(struct pcmcia_device *);
15b99ac1 91static int ide_config(struct pcmcia_device *);
1da177e4 92
cc3b4866 93static void ide_detach(struct pcmcia_device *p_dev);
1da177e4 94
b4635811
DB
95
96
1da177e4
LT
97
98/*======================================================================
99
100 ide_attach() creates an "instance" of the driver, allocating
101 local data structures for one device. The device is registered
102 with Card Services.
103
104======================================================================*/
105
15b99ac1 106static int ide_probe(struct pcmcia_device *link)
1da177e4
LT
107{
108 ide_info_t *info;
f8cfa618 109
1da177e4
LT
110 DEBUG(0, "ide_attach()\n");
111
112 /* Create new ide device */
f5e3c2fa 113 info = kzalloc(sizeof(*info), GFP_KERNEL);
f8cfa618
DB
114 if (!info)
115 return -ENOMEM;
fd238232 116
fba395ee 117 info->p_dev = link;
fd238232 118 link->priv = info;
1da177e4
LT
119
120 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
121 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
122 link->io.IOAddrLines = 3;
123 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
124 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
125 link->conf.Attributes = CONF_ENABLE_IRQ;
1da177e4 126 link->conf.IntType = INT_MEMORY_AND_IO;
f8cfa618 127
f8cfa618 128 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
15b99ac1 129 return ide_config(link);
1da177e4
LT
130} /* ide_attach */
131
132/*======================================================================
133
134 This deletes a driver "instance". The device is de-registered
135 with Card Services. If it has been released, all local data
136 structures are freed. Otherwise, the structures will be freed
137 when the device is released.
138
139======================================================================*/
140
fba395ee 141static void ide_detach(struct pcmcia_device *link)
1da177e4 142{
1da177e4 143 DEBUG(0, "ide_detach(0x%p)\n", link);
1da177e4
LT
144
145 if (link->state & DEV_CONFIG)
146 ide_release(link);
b4635811 147
1da177e4 148 kfree(link->priv);
1da177e4
LT
149} /* ide_detach */
150
4349d5cd 151static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle)
1da177e4
LT
152{
153 hw_regs_t hw;
154 memset(&hw, 0, sizeof(hw));
155 ide_init_hwif_ports(&hw, io, ctl, NULL);
156 hw.irq = irq;
157 hw.chipset = ide_pci;
4349d5cd 158 hw.dev = &handle->dev;
1da177e4
LT
159 return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
160}
161
162/*======================================================================
163
164 ide_config() is scheduled to run after a CARD_INSERTION event
165 is received, to configure the PCMCIA socket, and to make the
166 ide device available to the system.
167
168======================================================================*/
169
170#define CS_CHECK(fn, ret) \
171do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
172
15b99ac1 173static int ide_config(struct pcmcia_device *link)
1da177e4 174{
1da177e4
LT
175 ide_info_t *info = link->priv;
176 tuple_t tuple;
177 struct {
178 u_short buf[128];
179 cisparse_t parse;
180 config_info_t conf;
181 cistpl_cftable_entry_t dflt;
182 } *stk = NULL;
183 cistpl_cftable_entry_t *cfg;
184 int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
185 unsigned long io_base, ctl_base;
186
187 DEBUG(0, "ide_config(0x%p)\n", link);
188
f5e3c2fa 189 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
1da177e4 190 if (!stk) goto err_mem;
1da177e4
LT
191 cfg = &stk->parse.cftable_entry;
192
193 tuple.TupleData = (cisdata_t *)&stk->buf;
194 tuple.TupleOffset = 0;
195 tuple.TupleDataMax = 255;
196 tuple.Attributes = 0;
197 tuple.DesiredTuple = CISTPL_CONFIG;
fba395ee
DB
198 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
199 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
200 CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &stk->parse));
1da177e4
LT
201 link->conf.ConfigBase = stk->parse.config.base;
202 link->conf.Present = stk->parse.config.rmask[0];
203
204 tuple.DesiredTuple = CISTPL_MANFID;
fba395ee
DB
205 if (!pcmcia_get_first_tuple(link, &tuple) &&
206 !pcmcia_get_tuple_data(link, &tuple) &&
207 !pcmcia_parse_tuple(link, &tuple, &stk->parse))
1da177e4
LT
208 is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
209 ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) ||
210 (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
211
212 /* Configure card */
213 link->state |= DEV_CONFIG;
214
215 /* Not sure if this is right... look up the current Vcc */
fba395ee 216 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));
1da177e4
LT
217
218 pass = io_base = ctl_base = 0;
219 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
220 tuple.Attributes = 0;
fba395ee 221 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
1da177e4 222 while (1) {
fba395ee
DB
223 if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry;
224 if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry;
1da177e4
LT
225
226 /* Check for matching Vcc, unless we're desperate */
227 if (!pass) {
228 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
229 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
230 goto next_entry;
231 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
232 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
233 goto next_entry;
234 }
235 }
236
237 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
70294b46 238 link->conf.Vpp =
1da177e4
LT
239 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
240 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
70294b46 241 link->conf.Vpp =
1da177e4
LT
242 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
243
244 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
245 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
246 link->conf.ConfigIndex = cfg->index;
247 link->io.BasePort1 = io->win[0].base;
248 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
249 if (!(io->flags & CISTPL_IO_16BIT))
250 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
251 if (io->nwin == 2) {
252 link->io.NumPorts1 = 8;
253 link->io.BasePort2 = io->win[1].base;
254 link->io.NumPorts2 = (is_kme) ? 2 : 1;
fba395ee 255 if (pcmcia_request_io(link, &link->io) != 0)
1da177e4
LT
256 goto next_entry;
257 io_base = link->io.BasePort1;
258 ctl_base = link->io.BasePort2;
259 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
260 link->io.NumPorts1 = io->win[0].len;
261 link->io.NumPorts2 = 0;
fba395ee 262 if (pcmcia_request_io(link, &link->io) != 0)
1da177e4
LT
263 goto next_entry;
264 io_base = link->io.BasePort1;
265 ctl_base = link->io.BasePort1 + 0x0e;
266 } else goto next_entry;
267 /* If we've got this far, we're done */
268 break;
269 }
270
271 next_entry:
272 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
273 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
274 if (pass) {
fba395ee
DB
275 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
276 } else if (pcmcia_get_next_tuple(link, &tuple) != 0) {
277 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
1da177e4
LT
278 memset(&stk->dflt, 0, sizeof(stk->dflt));
279 pass++;
280 }
281 }
282
fba395ee
DB
283 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
284 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
1da177e4
LT
285
286 /* disable drive interrupts during IDE probe */
287 outb(0x02, ctl_base);
288
289 /* special setup for KXLC005 card */
290 if (is_kme)
291 outb(0x81, ctl_base+1);
292
293 /* retry registration in case device is still spinning up */
294 for (hd = -1, i = 0; i < 10; i++) {
fba395ee 295 hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
1da177e4
LT
296 if (hd >= 0) break;
297 if (link->io.NumPorts1 == 0x20) {
298 outb(0x02, ctl_base + 0x10);
299 hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
fba395ee 300 link->irq.AssignedIRQ, link);
1da177e4
LT
301 if (hd >= 0) {
302 io_base += 0x10;
303 ctl_base += 0x10;
304 break;
305 }
306 }
2aad5f03 307 msleep(100);
1da177e4
LT
308 }
309
310 if (hd < 0) {
311 printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
312 ", irq %u failed\n", io_base, ctl_base,
313 link->irq.AssignedIRQ);
314 goto failed;
315 }
316
317 info->ndev = 1;
318 sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
319 info->node.major = ide_major[hd];
320 info->node.minor = 0;
321 info->hd = hd;
fd238232 322 link->dev_node = &info->node;
70294b46
DB
323 printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
324 info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
1da177e4
LT
325
326 link->state &= ~DEV_CONFIG_PENDING;
327 kfree(stk);
15b99ac1 328 return 0;
1da177e4
LT
329
330err_mem:
331 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
332 goto failed;
333
334cs_failed:
fba395ee 335 cs_error(link, last_fn, last_ret);
1da177e4
LT
336failed:
337 kfree(stk);
338 ide_release(link);
339 link->state &= ~DEV_CONFIG_PENDING;
15b99ac1 340 return -ENODEV;
1da177e4
LT
341} /* ide_config */
342
343/*======================================================================
344
345 After a card is removed, ide_release() will unregister the net
346 device, and release the PCMCIA configuration. If the device is
347 still open, this will be postponed until it is closed.
348
349======================================================================*/
350
fba395ee 351void ide_release(struct pcmcia_device *link)
1da177e4
LT
352{
353 ide_info_t *info = link->priv;
354
355 DEBUG(0, "ide_release(0x%p)\n", link);
356
357 if (info->ndev) {
358 /* FIXME: if this fails we need to queue the cleanup somehow
359 -- need to investigate the required PCMCIA magic */
360 ide_unregister(info->hd);
361 }
362 info->ndev = 0;
1da177e4 363
fba395ee 364 pcmcia_disable_device(link);
1da177e4
LT
365} /* ide_release */
366
98e4c28b 367
1da177e4
LT
368/*======================================================================
369
370 The card status event handler. Mostly, this schedules other
371 stuff to run after an event is received. A CARD_REMOVAL event
372 also sets some flags to discourage the ide drivers from
373 talking to the ports.
374
375======================================================================*/
376
f70b7d40
DB
377static struct pcmcia_device_id ide_ids[] = {
378 PCMCIA_DEVICE_FUNC_ID(4),
725a6abf 379 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
f70b7d40 380 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
d3feb184
DB
381 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
382 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
f70b7d40 383 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
d3feb184 384 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
725a6abf 385 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
f70b7d40 386 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
d3feb184 387 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
f70b7d40
DB
388 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
389 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
390 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
391 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
392 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
393 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
394 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
395 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
d277ad0e 396 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
f70b7d40
DB
397 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
398 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
399 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
725a6abf
RP
400 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
401 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
f70b7d40
DB
402 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
403 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
404 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
405 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
406 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
2570b746 407 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
f70b7d40
DB
408 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
409 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
410 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
411 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
42935656 412 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
f70b7d40
DB
413 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
414 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
d3feb184 415 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
698e22c4 416 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
f70b7d40
DB
417 PCMCIA_DEVICE_NULL,
418};
419MODULE_DEVICE_TABLE(pcmcia, ide_ids);
420
1da177e4
LT
421static struct pcmcia_driver ide_cs_driver = {
422 .owner = THIS_MODULE,
423 .drv = {
424 .name = "ide-cs",
425 },
15b99ac1 426 .probe = ide_probe,
cc3b4866 427 .remove = ide_detach,
f70b7d40 428 .id_table = ide_ids,
1da177e4
LT
429};
430
431static int __init init_ide_cs(void)
432{
433 return pcmcia_register_driver(&ide_cs_driver);
434}
435
436static void __exit exit_ide_cs(void)
437{
438 pcmcia_unregister_driver(&ide_cs_driver);
1da177e4
LT
439}
440
2b8d4669 441late_initcall(init_ide_cs);
1da177e4 442module_exit(exit_ide_cs);