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/major.h>
42#include <linux/delay.h>
43#include <asm/io.h>
44#include <asm/system.h>
45
46#include <pcmcia/cs_types.h>
47#include <pcmcia/cs.h>
48#include <pcmcia/cistpl.h>
49#include <pcmcia/ds.h>
50#include <pcmcia/cisreg.h>
51#include <pcmcia/ciscode.h>
52
53#define DRV_NAME "ide-cs"
54
55/*====================================================================*/
56
57/* Module parameters */
58
59MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
60MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
61MODULE_LICENSE("Dual MPL/GPL");
62
63/*====================================================================*/
64
65typedef struct ide_info_t {
66 struct pcmcia_device *p_dev;
67 struct ide_host *host;
68 int ndev;
69 dev_node_t node;
70} ide_info_t;
71
72static void ide_release(struct pcmcia_device *);
73static int ide_config(struct pcmcia_device *);
74
75static void ide_detach(struct pcmcia_device *p_dev);
76
77
78
79
80/*======================================================================
81
82 ide_attach() creates an "instance" of the driver, allocating
83 local data structures for one device. The device is registered
84 with Card Services.
85
86======================================================================*/
87
88static int ide_probe(struct pcmcia_device *link)
89{
90 ide_info_t *info;
91
92 dev_dbg(&link->dev, "ide_attach()\n");
93
94 /* Create new ide device */
95 info = kzalloc(sizeof(*info), GFP_KERNEL);
96 if (!info)
97 return -ENOMEM;
98
99 info->p_dev = link;
100 link->priv = info;
101
102 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
103 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
104 link->io.IOAddrLines = 3;
105 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
106 link->conf.Attributes = CONF_ENABLE_IRQ;
107 link->conf.IntType = INT_MEMORY_AND_IO;
108
109 return ide_config(link);
110} /* ide_attach */
111
112/*======================================================================
113
114 This deletes a driver "instance". The device is de-registered
115 with Card Services. If it has been released, all local data
116 structures are freed. Otherwise, the structures will be freed
117 when the device is released.
118
119======================================================================*/
120
121static void ide_detach(struct pcmcia_device *link)
122{
123 ide_info_t *info = link->priv;
124
125 dev_dbg(&link->dev, "ide_detach(0x%p)\n", link);
126
127 ide_release(link);
128
129 kfree(info);
130} /* ide_detach */
131
132static const struct ide_port_ops idecs_port_ops = {
133 .quirkproc = ide_undecoded_slave,
134};
135
136static const struct ide_port_info idecs_port_info = {
137 .port_ops = &idecs_port_ops,
138 .host_flags = IDE_HFLAG_NO_DMA,
139 .irq_flags = IRQF_SHARED,
140 .chipset = ide_pci,
141};
142
143static struct ide_host *idecs_register(unsigned long io, unsigned long ctl,
144 unsigned long irq, struct pcmcia_device *handle)
145{
146 struct ide_host *host;
147 ide_hwif_t *hwif;
148 int i, rc;
149 struct ide_hw hw, *hws[] = { &hw };
150
151 if (!request_region(io, 8, DRV_NAME)) {
152 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
153 DRV_NAME, io, io + 7);
154 return NULL;
155 }
156
157 if (!request_region(ctl, 1, DRV_NAME)) {
158 printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
159 DRV_NAME, ctl);
160 release_region(io, 8);
161 return NULL;
162 }
163
164 memset(&hw, 0, sizeof(hw));
165 ide_std_init_ports(&hw, io, ctl);
166 hw.irq = irq;
167 hw.dev = &handle->dev;
168
169 rc = ide_host_add(&idecs_port_info, hws, 1, &host);
170 if (rc)
171 goto out_release;
172
173 hwif = host->ports[0];
174
175 if (hwif->present)
176 return host;
177
178 /* retry registration in case device is still spinning up */
179 for (i = 0; i < 10; i++) {
180 msleep(100);
181 ide_port_scan(hwif);
182 if (hwif->present)
183 return host;
184 }
185
186 return host;
187
188out_release:
189 release_region(ctl, 1);
190 release_region(io, 8);
191 return NULL;
192}
193
194/*======================================================================
195
196 ide_config() is scheduled to run after a CARD_INSERTION event
197 is received, to configure the PCMCIA socket, and to make the
198 ide device available to the system.
199
200======================================================================*/
201
202struct pcmcia_config_check {
203 unsigned long ctl_base;
204 int skip_vcc;
205 int is_kme;
206};
207
208static int pcmcia_check_one_config(struct pcmcia_device *pdev,
209 cistpl_cftable_entry_t *cfg,
210 cistpl_cftable_entry_t *dflt,
211 unsigned int vcc,
212 void *priv_data)
213{
214 struct pcmcia_config_check *stk = priv_data;
215
216 /* Check for matching Vcc, unless we're desperate */
217 if (!stk->skip_vcc) {
218 if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
219 if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
220 return -ENODEV;
221 } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
222 if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000)
223 return -ENODEV;
224 }
225 }
226
227 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
228 pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
229 else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
230 pdev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
231
232 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
233 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
234 pdev->conf.ConfigIndex = cfg->index;
235 pdev->io.BasePort1 = io->win[0].base;
236 pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
237 if (!(io->flags & CISTPL_IO_16BIT))
238 pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
239 if (io->nwin == 2) {
240 pdev->io.NumPorts1 = 8;
241 pdev->io.BasePort2 = io->win[1].base;
242 pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1;
243 if (pcmcia_request_io(pdev, &pdev->io) != 0)
244 return -ENODEV;
245 stk->ctl_base = pdev->io.BasePort2;
246 } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
247 pdev->io.NumPorts1 = io->win[0].len;
248 pdev->io.NumPorts2 = 0;
249 if (pcmcia_request_io(pdev, &pdev->io) != 0)
250 return -ENODEV;
251 stk->ctl_base = pdev->io.BasePort1 + 0x0e;
252 } else
253 return -ENODEV;
254 /* If we've got this far, we're done */
255 return 0;
256 }
257 return -ENODEV;
258}
259
260static int ide_config(struct pcmcia_device *link)
261{
262 ide_info_t *info = link->priv;
263 struct pcmcia_config_check *stk = NULL;
264 int ret = 0, is_kme = 0;
265 unsigned long io_base, ctl_base;
266 struct ide_host *host;
267
268 dev_dbg(&link->dev, "ide_config(0x%p)\n", link);
269
270 is_kme = ((link->manf_id == MANFID_KME) &&
271 ((link->card_id == PRODID_KME_KXLC005_A) ||
272 (link->card_id == PRODID_KME_KXLC005_B)));
273
274 stk = kzalloc(sizeof(*stk), GFP_KERNEL);
275 if (!stk)
276 goto err_mem;
277 stk->is_kme = is_kme;
278 stk->skip_vcc = io_base = ctl_base = 0;
279
280 if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) {
281 stk->skip_vcc = 1;
282 if (pcmcia_loop_config(link, pcmcia_check_one_config, stk))
283 goto failed; /* No suitable config found */
284 }
285 io_base = link->io.BasePort1;
286 ctl_base = stk->ctl_base;
287
288 ret = pcmcia_request_irq(link, &link->irq);
289 if (ret)
290 goto failed;
291 ret = pcmcia_request_configuration(link, &link->conf);
292 if (ret)
293 goto failed;
294
295 /* disable drive interrupts during IDE probe */
296 outb(0x02, ctl_base);
297
298 /* special setup for KXLC005 card */
299 if (is_kme)
300 outb(0x81, ctl_base+1);
301
302 host = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
303 if (host == NULL && link->io.NumPorts1 == 0x20) {
304 outb(0x02, ctl_base + 0x10);
305 host = idecs_register(io_base + 0x10, ctl_base + 0x10,
306 link->irq.AssignedIRQ, link);
307 }
308
309 if (host == NULL)
310 goto failed;
311
312 info->ndev = 1;
313 sprintf(info->node.dev_name, "hd%c", 'a' + host->ports[0]->index * 2);
314 info->node.major = host->ports[0]->major;
315 info->node.minor = 0;
316 info->host = host;
317 link->dev_node = &info->node;
318 printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
319 info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
320
321 kfree(stk);
322 return 0;
323
324err_mem:
325 printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
326 goto failed;
327
328failed:
329 kfree(stk);
330 ide_release(link);
331 return -ENODEV;
332} /* ide_config */
333
334/*======================================================================
335
336 After a card is removed, ide_release() will unregister the net
337 device, and release the PCMCIA configuration. If the device is
338 still open, this will be postponed until it is closed.
339
340======================================================================*/
341
342static void ide_release(struct pcmcia_device *link)
343{
344 ide_info_t *info = link->priv;
345 struct ide_host *host = info->host;
346
347 dev_dbg(&link->dev, "ide_release(0x%p)\n", link);
348
349 if (info->ndev) {
350 ide_hwif_t *hwif = host->ports[0];
351 unsigned long data_addr, ctl_addr;
352
353 data_addr = hwif->io_ports.data_addr;
354 ctl_addr = hwif->io_ports.ctl_addr;
355
356 ide_host_remove(host);
357 info->ndev = 0;
358
359 release_region(ctl_addr, 1);
360 release_region(data_addr, 8);
361 }
362
363 pcmcia_disable_device(link);
364} /* ide_release */
365
366
367/*======================================================================
368
369 The card status event handler. Mostly, this schedules other
370 stuff to run after an event is received. A CARD_REMOVAL event
371 also sets some flags to discourage the ide drivers from
372 talking to the ports.
373
374======================================================================*/
375
376static struct pcmcia_device_id ide_ids[] = {
377 PCMCIA_DEVICE_FUNC_ID(4),
378 PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
379 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
380 PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
381 PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
382 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
383 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
384 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
385 PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */
386 PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
387 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
388 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
389 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
390 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
391 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
392 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
393 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
394 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
395 PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
396 PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
397 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
398 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
399 PCMCIA_DEVICE_PROD_ID12("CNF ", "CD-ROM", 0x46d7db81, 0x66536591),
400 PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
401 PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
402 PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
403 PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
404 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
405 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
406 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
407 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
408 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
409 PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
410 PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
411 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
412 PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
413 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
414 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
415 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
416 PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
417 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
418 PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
419 PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
420 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
421 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
422 PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
423 PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
424 PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
425 PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
426 PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
427 PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
428 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
429 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
430 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
431 PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
432 PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
433 PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
434 PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
435 PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
436 PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
437 PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506),
438 PCMCIA_DEVICE_NULL,
439};
440MODULE_DEVICE_TABLE(pcmcia, ide_ids);
441
442static struct pcmcia_driver ide_cs_driver = {
443 .owner = THIS_MODULE,
444 .drv = {
445 .name = "ide-cs",
446 },
447 .probe = ide_probe,
448 .remove = ide_detach,
449 .id_table = ide_ids,
450};
451
452static int __init init_ide_cs(void)
453{
454 return pcmcia_register_driver(&ide_cs_driver);
455}
456
457static void __exit exit_ide_cs(void)
458{
459 pcmcia_unregister_driver(&ide_cs_driver);
460}
461
462late_initcall(init_ide_cs);
463module_exit(exit_ide_cs);