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[PATCH] pcmcia: embed dev_link_t into struct pcmcia_device
[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
90static void ide_release(dev_link_t *);
f8cfa618 91static void ide_config(dev_link_t *);
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
f8cfa618 106static int ide_attach(struct pcmcia_device *p_dev)
1da177e4
LT
107{
108 ide_info_t *info;
fd238232 109 dev_link_t *link = dev_to_instance(p_dev);
f8cfa618 110
1da177e4
LT
111 DEBUG(0, "ide_attach()\n");
112
113 /* Create new ide device */
f5e3c2fa 114 info = kzalloc(sizeof(*info), GFP_KERNEL);
f8cfa618
DB
115 if (!info)
116 return -ENOMEM;
fd238232
DB
117
118 info->p_dev = p_dev;
119 link->priv = info;
1da177e4
LT
120
121 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
122 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
123 link->io.IOAddrLines = 3;
124 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
125 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
126 link->conf.Attributes = CONF_ENABLE_IRQ;
1da177e4 127 link->conf.IntType = INT_MEMORY_AND_IO;
f8cfa618 128
f8cfa618
DB
129 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
130 ide_config(link);
131
132 return 0;
1da177e4
LT
133} /* ide_attach */
134
135/*======================================================================
136
137 This deletes a driver "instance". The device is de-registered
138 with Card Services. If it has been released, all local data
139 structures are freed. Otherwise, the structures will be freed
140 when the device is released.
141
142======================================================================*/
143
cc3b4866 144static void ide_detach(struct pcmcia_device *p_dev)
1da177e4 145{
cc3b4866 146 dev_link_t *link = dev_to_instance(p_dev);
1da177e4
LT
147
148 DEBUG(0, "ide_detach(0x%p)\n", link);
1da177e4
LT
149
150 if (link->state & DEV_CONFIG)
151 ide_release(link);
b4635811 152
1da177e4 153 kfree(link->priv);
1da177e4
LT
154} /* ide_detach */
155
4349d5cd 156static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle)
1da177e4
LT
157{
158 hw_regs_t hw;
159 memset(&hw, 0, sizeof(hw));
160 ide_init_hwif_ports(&hw, io, ctl, NULL);
161 hw.irq = irq;
162 hw.chipset = ide_pci;
4349d5cd 163 hw.dev = &handle->dev;
1da177e4
LT
164 return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
165}
166
167/*======================================================================
168
169 ide_config() is scheduled to run after a CARD_INSERTION event
170 is received, to configure the PCMCIA socket, and to make the
171 ide device available to the system.
172
173======================================================================*/
174
175#define CS_CHECK(fn, ret) \
176do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
177
178static void ide_config(dev_link_t *link)
179{
180 client_handle_t handle = link->handle;
181 ide_info_t *info = link->priv;
182 tuple_t tuple;
183 struct {
184 u_short buf[128];
185 cisparse_t parse;
186 config_info_t conf;
187 cistpl_cftable_entry_t dflt;
188 } *stk = NULL;
189 cistpl_cftable_entry_t *cfg;
190 int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
191 unsigned long io_base, ctl_base;
192
193 DEBUG(0, "ide_config(0x%p)\n", link);
194
f5e3c2fa 195 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
1da177e4 196 if (!stk) goto err_mem;
1da177e4
LT
197 cfg = &stk->parse.cftable_entry;
198
199 tuple.TupleData = (cisdata_t *)&stk->buf;
200 tuple.TupleOffset = 0;
201 tuple.TupleDataMax = 255;
202 tuple.Attributes = 0;
203 tuple.DesiredTuple = CISTPL_CONFIG;
204 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
205 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
206 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &stk->parse));
207 link->conf.ConfigBase = stk->parse.config.base;
208 link->conf.Present = stk->parse.config.rmask[0];
209
210 tuple.DesiredTuple = CISTPL_MANFID;
211 if (!pcmcia_get_first_tuple(handle, &tuple) &&
212 !pcmcia_get_tuple_data(handle, &tuple) &&
213 !pcmcia_parse_tuple(handle, &tuple, &stk->parse))
214 is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
215 ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) ||
216 (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
217
218 /* Configure card */
219 link->state |= DEV_CONFIG;
220
221 /* Not sure if this is right... look up the current Vcc */
222 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf));
1da177e4
LT
223
224 pass = io_base = ctl_base = 0;
225 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
226 tuple.Attributes = 0;
227 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
228 while (1) {
229 if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry;
230 if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry;
231
232 /* Check for matching Vcc, unless we're desperate */
233 if (!pass) {
234 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
235 if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
236 goto next_entry;
237 } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
238 if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
239 goto next_entry;
240 }
241 }
242
243 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
70294b46 244 link->conf.Vpp =
1da177e4
LT
245 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
246 else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
70294b46 247 link->conf.Vpp =
1da177e4
LT
248 stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
249
250 if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
251 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
252 link->conf.ConfigIndex = cfg->index;
253 link->io.BasePort1 = io->win[0].base;
254 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
255 if (!(io->flags & CISTPL_IO_16BIT))
256 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
257 if (io->nwin == 2) {
258 link->io.NumPorts1 = 8;
259 link->io.BasePort2 = io->win[1].base;
260 link->io.NumPorts2 = (is_kme) ? 2 : 1;
261 if (pcmcia_request_io(link->handle, &link->io) != 0)
262 goto next_entry;
263 io_base = link->io.BasePort1;
264 ctl_base = link->io.BasePort2;
265 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
266 link->io.NumPorts1 = io->win[0].len;
267 link->io.NumPorts2 = 0;
268 if (pcmcia_request_io(link->handle, &link->io) != 0)
269 goto next_entry;
270 io_base = link->io.BasePort1;
271 ctl_base = link->io.BasePort1 + 0x0e;
272 } else goto next_entry;
273 /* If we've got this far, we're done */
274 break;
275 }
276
277 next_entry:
278 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
279 memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
280 if (pass) {
281 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
282 } else if (pcmcia_get_next_tuple(handle, &tuple) != 0) {
283 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
284 memset(&stk->dflt, 0, sizeof(stk->dflt));
285 pass++;
286 }
287 }
288
289 CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
290 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
291
292 /* disable drive interrupts during IDE probe */
293 outb(0x02, ctl_base);
294
295 /* special setup for KXLC005 card */
296 if (is_kme)
297 outb(0x81, ctl_base+1);
298
299 /* retry registration in case device is still spinning up */
300 for (hd = -1, i = 0; i < 10; i++) {
4349d5cd 301 hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, handle);
1da177e4
LT
302 if (hd >= 0) break;
303 if (link->io.NumPorts1 == 0x20) {
304 outb(0x02, ctl_base + 0x10);
305 hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
4349d5cd 306 link->irq.AssignedIRQ, handle);
1da177e4
LT
307 if (hd >= 0) {
308 io_base += 0x10;
309 ctl_base += 0x10;
310 break;
311 }
312 }
2aad5f03 313 msleep(100);
1da177e4
LT
314 }
315
316 if (hd < 0) {
317 printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
318 ", irq %u failed\n", io_base, ctl_base,
319 link->irq.AssignedIRQ);
320 goto failed;
321 }
322
323 info->ndev = 1;
324 sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
325 info->node.major = ide_major[hd];
326 info->node.minor = 0;
327 info->hd = hd;
fd238232 328 link->dev_node = &info->node;
70294b46
DB
329 printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
330 info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
1da177e4
LT
331
332 link->state &= ~DEV_CONFIG_PENDING;
333 kfree(stk);
334 return;
335
336err_mem:
337 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
338 goto failed;
339
340cs_failed:
341 cs_error(link->handle, last_fn, last_ret);
342failed:
343 kfree(stk);
344 ide_release(link);
345 link->state &= ~DEV_CONFIG_PENDING;
346} /* ide_config */
347
348/*======================================================================
349
350 After a card is removed, ide_release() will unregister the net
351 device, and release the PCMCIA configuration. If the device is
352 still open, this will be postponed until it is closed.
353
354======================================================================*/
355
356void ide_release(dev_link_t *link)
357{
358 ide_info_t *info = link->priv;
359
360 DEBUG(0, "ide_release(0x%p)\n", link);
361
362 if (info->ndev) {
363 /* FIXME: if this fails we need to queue the cleanup somehow
364 -- need to investigate the required PCMCIA magic */
365 ide_unregister(info->hd);
366 }
367 info->ndev = 0;
1da177e4 368
5f2a71fc 369 pcmcia_disable_device(link->handle);
1da177e4
LT
370} /* ide_release */
371
98e4c28b 372
1da177e4
LT
373/*======================================================================
374
375 The card status event handler. Mostly, this schedules other
376 stuff to run after an event is received. A CARD_REMOVAL event
377 also sets some flags to discourage the ide drivers from
378 talking to the ports.
379
380======================================================================*/
381
f70b7d40
DB
382static struct pcmcia_device_id ide_ids[] = {
383 PCMCIA_DEVICE_FUNC_ID(4),
725a6abf 384 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
f70b7d40 385 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
d3feb184
DB
386 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
387 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
f70b7d40 388 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
d3feb184 389 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
725a6abf 390 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
f70b7d40 391 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
d3feb184 392 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
f70b7d40
DB
393 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
394 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
395 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
396 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
397 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
398 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
399 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
400 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
d277ad0e 401 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
f70b7d40
DB
402 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
403 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
404 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
725a6abf
RP
405 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
406 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
f70b7d40
DB
407 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
408 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
409 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
410 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
411 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
2570b746 412 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
f70b7d40
DB
413 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
414 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
415 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
416 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
42935656 417 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
f70b7d40
DB
418 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
419 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
d3feb184 420 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
698e22c4 421 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
f70b7d40
DB
422 PCMCIA_DEVICE_NULL,
423};
424MODULE_DEVICE_TABLE(pcmcia, ide_ids);
425
1da177e4
LT
426static struct pcmcia_driver ide_cs_driver = {
427 .owner = THIS_MODULE,
428 .drv = {
429 .name = "ide-cs",
430 },
f8cfa618 431 .probe = ide_attach,
cc3b4866 432 .remove = ide_detach,
f70b7d40 433 .id_table = ide_ids,
1da177e4
LT
434};
435
436static int __init init_ide_cs(void)
437{
438 return pcmcia_register_driver(&ide_cs_driver);
439}
440
441static void __exit exit_ide_cs(void)
442{
443 pcmcia_unregister_driver(&ide_cs_driver);
1da177e4
LT
444}
445
2b8d4669 446late_initcall(init_ide_cs);
1da177e4 447module_exit(exit_ide_cs);