Commit | Line | Data |
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1a8d4663 DB |
1 | /* |
2 | * PCMCIA 16-bit resource management functions | |
3 | * | |
4 | * The initial developer of the original code is David A. Hinds | |
5 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds | |
6 | * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. | |
7 | * | |
8 | * Copyright (C) 1999 David A. Hinds | |
9 | * Copyright (C) 2004-2005 Dominik Brodowski | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | */ | |
16 | ||
1a8d4663 DB |
17 | #include <linux/module.h> |
18 | #include <linux/kernel.h> | |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/delay.h> | |
21 | #include <linux/pci.h> | |
22 | #include <linux/device.h> | |
23 | ||
1a8d4663 DB |
24 | #include <pcmcia/cs_types.h> |
25 | #include <pcmcia/ss.h> | |
26 | #include <pcmcia/cs.h> | |
1a8d4663 DB |
27 | #include <pcmcia/cistpl.h> |
28 | #include <pcmcia/cisreg.h> | |
29 | #include <pcmcia/ds.h> | |
30 | ||
31 | #include "cs_internal.h" | |
1a8d4663 DB |
32 | |
33 | ||
1a8d4663 DB |
34 | /* Access speed for IO windows */ |
35 | static int io_speed = 0; | |
36 | module_param(io_speed, int, 0444); | |
37 | ||
38 | ||
39 | #ifdef CONFIG_PCMCIA_PROBE | |
531e5ca6 | 40 | #include <asm/irq.h> |
1a8d4663 DB |
41 | /* mask of IRQs already reserved by other cards, we should avoid using them */ |
42 | static u8 pcmcia_used_irq[NR_IRQS]; | |
43 | #endif | |
44 | ||
45 | ||
7d16b658 | 46 | #ifdef CONFIG_PCMCIA_DEBUG |
1a8d4663 | 47 | extern int ds_pc_debug; |
1a8d4663 DB |
48 | |
49 | #define ds_dbg(skt, lvl, fmt, arg...) do { \ | |
50 | if (ds_pc_debug >= lvl) \ | |
ac449d6e DB |
51 | dev_printk(KERN_DEBUG, &skt->dev, \ |
52 | "pcmcia_resource: " fmt, \ | |
53 | ## arg); \ | |
1a8d4663 DB |
54 | } while (0) |
55 | #else | |
ac449d6e | 56 | #define ds_dbg(skt, lvl, fmt, arg...) do { } while (0) |
1a8d4663 DB |
57 | #endif |
58 | ||
59 | ||
60 | ||
61 | /** alloc_io_space | |
62 | * | |
63 | * Special stuff for managing IO windows, because they are scarce | |
64 | */ | |
65 | ||
ecb8a847 OJ |
66 | static int alloc_io_space(struct pcmcia_socket *s, u_int attr, |
67 | unsigned int *base, unsigned int num, u_int lines) | |
1a8d4663 DB |
68 | { |
69 | int i; | |
ecb8a847 | 70 | unsigned int try, align; |
1a8d4663 DB |
71 | |
72 | align = (*base) ? (lines ? 1<<lines : 0) : 1; | |
73 | if (align && (align < num)) { | |
74 | if (*base) { | |
ecb8a847 | 75 | ds_dbg(s, 0, "odd IO request: num %#x align %#x\n", |
1a8d4663 DB |
76 | num, align); |
77 | align = 0; | |
78 | } else | |
79 | while (align && (align < num)) align <<= 1; | |
80 | } | |
81 | if (*base & ~(align-1)) { | |
ecb8a847 | 82 | ds_dbg(s, 0, "odd IO request: base %#x align %#x\n", |
1a8d4663 DB |
83 | *base, align); |
84 | align = 0; | |
85 | } | |
86 | if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) { | |
87 | *base = s->io_offset | (*base & 0x0fff); | |
88 | return 0; | |
89 | } | |
90 | /* Check for an already-allocated window that must conflict with | |
91 | * what was asked for. It is a hack because it does not catch all | |
92 | * potential conflicts, just the most obvious ones. | |
93 | */ | |
94 | for (i = 0; i < MAX_IO_WIN; i++) | |
4708b5fa | 95 | if ((s->io[i].res) && *base && |
c7d00693 | 96 | ((s->io[i].res->start & (align-1)) == *base)) |
1a8d4663 DB |
97 | return 1; |
98 | for (i = 0; i < MAX_IO_WIN; i++) { | |
c7d00693 | 99 | if (!s->io[i].res) { |
1a8d4663 DB |
100 | s->io[i].res = pcmcia_find_io_region(*base, num, align, s); |
101 | if (s->io[i].res) { | |
c7d00693 DB |
102 | *base = s->io[i].res->start; |
103 | s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); | |
104 | s->io[i].InUse = num; | |
1a8d4663 DB |
105 | break; |
106 | } else | |
107 | return 1; | |
c7d00693 | 108 | } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS)) |
1a8d4663 DB |
109 | continue; |
110 | /* Try to extend top of window */ | |
c7d00693 | 111 | try = s->io[i].res->end + 1; |
1a8d4663 DB |
112 | if ((*base == 0) || (*base == try)) |
113 | if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start, | |
114 | s->io[i].res->end + num, s) == 0) { | |
115 | *base = try; | |
1a8d4663 DB |
116 | s->io[i].InUse += num; |
117 | break; | |
118 | } | |
119 | /* Try to extend bottom of window */ | |
c7d00693 | 120 | try = s->io[i].res->start - num; |
1a8d4663 DB |
121 | if ((*base == 0) || (*base == try)) |
122 | if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num, | |
123 | s->io[i].res->end, s) == 0) { | |
c7d00693 | 124 | *base = try; |
1a8d4663 DB |
125 | s->io[i].InUse += num; |
126 | break; | |
127 | } | |
128 | } | |
129 | return (i == MAX_IO_WIN); | |
130 | } /* alloc_io_space */ | |
131 | ||
132 | ||
ecb8a847 OJ |
133 | static void release_io_space(struct pcmcia_socket *s, unsigned int base, |
134 | unsigned int num) | |
1a8d4663 DB |
135 | { |
136 | int i; | |
137 | ||
138 | for (i = 0; i < MAX_IO_WIN; i++) { | |
c7d00693 DB |
139 | if (!s->io[i].res) |
140 | continue; | |
141 | if ((s->io[i].res->start <= base) && | |
142 | (s->io[i].res->end >= base+num-1)) { | |
1a8d4663 DB |
143 | s->io[i].InUse -= num; |
144 | /* Free the window if no one else is using it */ | |
145 | if (s->io[i].InUse == 0) { | |
1a8d4663 DB |
146 | release_resource(s->io[i].res); |
147 | kfree(s->io[i].res); | |
148 | s->io[i].res = NULL; | |
149 | } | |
150 | } | |
151 | } | |
152 | } /* release_io_space */ | |
153 | ||
154 | ||
155 | /** pccard_access_configuration_register | |
156 | * | |
157 | * Access_configuration_register() reads and writes configuration | |
158 | * registers in attribute memory. Memory window 0 is reserved for | |
159 | * this and the tuple reading services. | |
160 | */ | |
161 | ||
855cdf13 | 162 | int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, |
1a8d4663 DB |
163 | conf_reg_t *reg) |
164 | { | |
855cdf13 | 165 | struct pcmcia_socket *s; |
1a8d4663 DB |
166 | config_t *c; |
167 | int addr; | |
168 | u_char val; | |
169 | ||
855cdf13 | 170 | if (!p_dev || !p_dev->function_config) |
3939c1ef | 171 | return -EINVAL; |
1a8d4663 | 172 | |
855cdf13 DB |
173 | s = p_dev->socket; |
174 | c = p_dev->function_config; | |
1a8d4663 DB |
175 | |
176 | if (!(c->state & CONFIG_LOCKED)) | |
943f70f1 | 177 | return -EACCES; |
1a8d4663 DB |
178 | |
179 | addr = (c->ConfigBase + reg->Offset) >> 1; | |
180 | ||
181 | switch (reg->Action) { | |
182 | case CS_READ: | |
183 | pcmcia_read_cis_mem(s, 1, addr, 1, &val); | |
184 | reg->Value = val; | |
185 | break; | |
186 | case CS_WRITE: | |
187 | val = reg->Value; | |
188 | pcmcia_write_cis_mem(s, 1, addr, 1, &val); | |
189 | break; | |
190 | default: | |
926c5402 | 191 | return -EINVAL; |
1a8d4663 DB |
192 | break; |
193 | } | |
4c89e88b | 194 | return 0; |
855cdf13 | 195 | } /* pcmcia_access_configuration_register */ |
3448139b DB |
196 | EXPORT_SYMBOL(pcmcia_access_configuration_register); |
197 | ||
1a8d4663 | 198 | |
1a8d4663 DB |
199 | /** pcmcia_get_window |
200 | */ | |
201 | int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, | |
202 | int idx, win_req_t *req) | |
203 | { | |
204 | window_t *win; | |
205 | int w; | |
206 | ||
207 | if (!s || !(s->state & SOCKET_PRESENT)) | |
3939c1ef | 208 | return -ENODEV; |
1a8d4663 DB |
209 | for (w = idx; w < MAX_WIN; w++) |
210 | if (s->state & SOCKET_WIN_REQ(w)) | |
211 | break; | |
212 | if (w == MAX_WIN) | |
635d19be | 213 | return -EINVAL; |
1a8d4663 DB |
214 | win = &s->win[w]; |
215 | req->Base = win->ctl.res->start; | |
216 | req->Size = win->ctl.res->end - win->ctl.res->start + 1; | |
217 | req->AccessSpeed = win->ctl.speed; | |
218 | req->Attributes = 0; | |
219 | if (win->ctl.flags & MAP_ATTRIB) | |
220 | req->Attributes |= WIN_MEMORY_TYPE_AM; | |
221 | if (win->ctl.flags & MAP_ACTIVE) | |
222 | req->Attributes |= WIN_ENABLE; | |
223 | if (win->ctl.flags & MAP_16BIT) | |
224 | req->Attributes |= WIN_DATA_WIDTH_16; | |
225 | if (win->ctl.flags & MAP_USE_WAIT) | |
226 | req->Attributes |= WIN_USE_WAIT; | |
227 | *handle = win; | |
4c89e88b | 228 | return 0; |
1a8d4663 DB |
229 | } /* pcmcia_get_window */ |
230 | EXPORT_SYMBOL(pcmcia_get_window); | |
231 | ||
232 | ||
1a8d4663 DB |
233 | /** pcmcia_get_mem_page |
234 | * | |
235 | * Change the card address of an already open memory window. | |
236 | */ | |
237 | int pcmcia_get_mem_page(window_handle_t win, memreq_t *req) | |
238 | { | |
239 | if ((win == NULL) || (win->magic != WINDOW_MAGIC)) | |
ffb8da20 | 240 | return -EINVAL; |
1a8d4663 DB |
241 | req->Page = 0; |
242 | req->CardOffset = win->ctl.card_start; | |
4c89e88b | 243 | return 0; |
1a8d4663 DB |
244 | } /* pcmcia_get_mem_page */ |
245 | EXPORT_SYMBOL(pcmcia_get_mem_page); | |
246 | ||
247 | ||
248 | int pcmcia_map_mem_page(window_handle_t win, memreq_t *req) | |
249 | { | |
250 | struct pcmcia_socket *s; | |
251 | if ((win == NULL) || (win->magic != WINDOW_MAGIC)) | |
ffb8da20 | 252 | return -EINVAL; |
1a8d4663 | 253 | s = win->sock; |
610e2374 DB |
254 | if (req->Page != 0) { |
255 | ds_dbg(s, 0, "failure: requested page is zero\n"); | |
256 | return -EINVAL; | |
257 | } | |
1a8d4663 | 258 | win->ctl.card_start = req->CardOffset; |
69ba4433 DB |
259 | if (s->ops->set_mem_map(s, &win->ctl) != 0) { |
260 | ds_dbg(s, 0, "failed to set_mem_map\n"); | |
261 | return -EIO; | |
262 | } | |
4c89e88b | 263 | return 0; |
1a8d4663 DB |
264 | } /* pcmcia_map_mem_page */ |
265 | EXPORT_SYMBOL(pcmcia_map_mem_page); | |
266 | ||
267 | ||
268 | /** pcmcia_modify_configuration | |
269 | * | |
270 | * Modify a locked socket configuration | |
271 | */ | |
2bc5a9bd | 272 | int pcmcia_modify_configuration(struct pcmcia_device *p_dev, |
1a8d4663 DB |
273 | modconf_t *mod) |
274 | { | |
275 | struct pcmcia_socket *s; | |
276 | config_t *c; | |
277 | ||
2bc5a9bd | 278 | s = p_dev->socket; |
dbb22f0d DB |
279 | c = p_dev->function_config; |
280 | ||
1a8d4663 | 281 | if (!(s->state & SOCKET_PRESENT)) |
3939c1ef | 282 | return -ENODEV; |
1a8d4663 | 283 | if (!(c->state & CONFIG_LOCKED)) |
943f70f1 | 284 | return -EACCES; |
1a8d4663 DB |
285 | |
286 | if (mod->Attributes & CONF_IRQ_CHANGE_VALID) { | |
287 | if (mod->Attributes & CONF_ENABLE_IRQ) { | |
288 | c->Attributes |= CONF_ENABLE_IRQ; | |
289 | s->socket.io_irq = s->irq.AssignedIRQ; | |
290 | } else { | |
291 | c->Attributes &= ~CONF_ENABLE_IRQ; | |
292 | s->socket.io_irq = 0; | |
293 | } | |
294 | s->ops->set_socket(s, &s->socket); | |
295 | } | |
296 | ||
d8b0a49d DB |
297 | if (mod->Attributes & CONF_VCC_CHANGE_VALID) { |
298 | ds_dbg(s, 0, "changing Vcc is not allowed at this time\n"); | |
299 | return -EINVAL; | |
300 | } | |
1a8d4663 DB |
301 | |
302 | /* We only allow changing Vpp1 and Vpp2 to the same value */ | |
303 | if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) && | |
304 | (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { | |
60df3de8 | 305 | if (mod->Vpp1 != mod->Vpp2) { |
d8b0a49d DB |
306 | ds_dbg(s, 0, "Vpp1 and Vpp2 must be the same\n"); |
307 | return -EINVAL; | |
60df3de8 | 308 | } |
71ed90d8 | 309 | s->socket.Vpp = mod->Vpp1; |
d8b0a49d DB |
310 | if (s->ops->set_socket(s, &s->socket)) { |
311 | dev_printk(KERN_WARNING, &s->dev, | |
312 | "Unable to set VPP\n"); | |
313 | return -EIO; | |
314 | } | |
1a8d4663 | 315 | } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) || |
d8b0a49d DB |
316 | (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { |
317 | ds_dbg(s, 0, "changing Vcc is not allowed at this time\n"); | |
318 | return -EINVAL; | |
319 | } | |
1a8d4663 | 320 | |
4bbed523 DB |
321 | if (mod->Attributes & CONF_IO_CHANGE_WIDTH) { |
322 | pccard_io_map io_off = { 0, 0, 0, 0, 1 }; | |
323 | pccard_io_map io_on; | |
324 | int i; | |
325 | ||
326 | io_on.speed = io_speed; | |
327 | for (i = 0; i < MAX_IO_WIN; i++) { | |
328 | if (!s->io[i].res) | |
329 | continue; | |
330 | io_off.map = i; | |
331 | io_on.map = i; | |
332 | ||
333 | io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8; | |
334 | io_on.start = s->io[i].res->start; | |
335 | io_on.stop = s->io[i].res->end; | |
336 | ||
337 | s->ops->set_io_map(s, &io_off); | |
338 | mdelay(40); | |
339 | s->ops->set_io_map(s, &io_on); | |
340 | } | |
341 | } | |
342 | ||
4c89e88b | 343 | return 0; |
1a8d4663 DB |
344 | } /* modify_configuration */ |
345 | EXPORT_SYMBOL(pcmcia_modify_configuration); | |
346 | ||
347 | ||
2bc5a9bd | 348 | int pcmcia_release_configuration(struct pcmcia_device *p_dev) |
1a8d4663 DB |
349 | { |
350 | pccard_io_map io = { 0, 0, 0, 0, 1 }; | |
2bc5a9bd | 351 | struct pcmcia_socket *s = p_dev->socket; |
5f2a71fc | 352 | config_t *c = p_dev->function_config; |
1a8d4663 DB |
353 | int i; |
354 | ||
e2d40963 DB |
355 | if (p_dev->_locked) { |
356 | p_dev->_locked = 0; | |
1a8d4663 DB |
357 | if (--(s->lock_count) == 0) { |
358 | s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ | |
359 | s->socket.Vpp = 0; | |
360 | s->socket.io_irq = 0; | |
361 | s->ops->set_socket(s, &s->socket); | |
362 | } | |
5f2a71fc DB |
363 | } |
364 | if (c->state & CONFIG_LOCKED) { | |
365 | c->state &= ~CONFIG_LOCKED; | |
1a8d4663 DB |
366 | if (c->state & CONFIG_IO_REQ) |
367 | for (i = 0; i < MAX_IO_WIN; i++) { | |
c7d00693 | 368 | if (!s->io[i].res) |
1a8d4663 DB |
369 | continue; |
370 | s->io[i].Config--; | |
371 | if (s->io[i].Config != 0) | |
372 | continue; | |
373 | io.map = i; | |
374 | s->ops->set_io_map(s, &io); | |
375 | } | |
1a8d4663 DB |
376 | } |
377 | ||
4c89e88b | 378 | return 0; |
1a8d4663 | 379 | } /* pcmcia_release_configuration */ |
1a8d4663 DB |
380 | |
381 | ||
382 | /** pcmcia_release_io | |
383 | * | |
384 | * Release_io() releases the I/O ranges allocated by a client. This | |
385 | * may be invoked some time after a card ejection has already dumped | |
386 | * the actual socket configuration, so if the client is "stale", we | |
387 | * don't bother checking the port ranges against the current socket | |
388 | * values. | |
389 | */ | |
b4c88400 | 390 | static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) |
1a8d4663 | 391 | { |
2bc5a9bd | 392 | struct pcmcia_socket *s = p_dev->socket; |
5f2a71fc | 393 | config_t *c = p_dev->function_config; |
1a8d4663 | 394 | |
e2d40963 | 395 | if (!p_dev->_io ) |
ffb8da20 | 396 | return -EINVAL; |
5f2a71fc | 397 | |
e2d40963 | 398 | p_dev->_io = 0; |
1a8d4663 | 399 | |
5f2a71fc DB |
400 | if ((c->io.BasePort1 != req->BasePort1) || |
401 | (c->io.NumPorts1 != req->NumPorts1) || | |
402 | (c->io.BasePort2 != req->BasePort2) || | |
403 | (c->io.NumPorts2 != req->NumPorts2)) | |
926c5402 | 404 | return -EINVAL; |
5f2a71fc DB |
405 | |
406 | c->state &= ~CONFIG_IO_REQ; | |
1a8d4663 DB |
407 | |
408 | release_io_space(s, req->BasePort1, req->NumPorts1); | |
409 | if (req->NumPorts2) | |
410 | release_io_space(s, req->BasePort2, req->NumPorts2); | |
411 | ||
4c89e88b | 412 | return 0; |
1a8d4663 | 413 | } /* pcmcia_release_io */ |
1a8d4663 DB |
414 | |
415 | ||
b4c88400 | 416 | static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) |
1a8d4663 | 417 | { |
2bc5a9bd | 418 | struct pcmcia_socket *s = p_dev->socket; |
5f2a71fc DB |
419 | config_t *c= p_dev->function_config; |
420 | ||
e2d40963 | 421 | if (!p_dev->_irq) |
ffb8da20 | 422 | return -EINVAL; |
e2d40963 | 423 | p_dev->_irq = 0; |
1a8d4663 | 424 | |
5f2a71fc | 425 | if (c->state & CONFIG_LOCKED) |
943f70f1 | 426 | return -EACCES; |
610e2374 DB |
427 | if (c->irq.Attributes != req->Attributes) { |
428 | ds_dbg(s, 0, "IRQ attributes must match assigned ones\n"); | |
429 | return -EINVAL; | |
430 | } | |
69ba4433 DB |
431 | if (s->irq.AssignedIRQ != req->AssignedIRQ) { |
432 | ds_dbg(s, 0, "IRQ must match assigned one\n"); | |
433 | return -EINVAL; | |
434 | } | |
5f2a71fc DB |
435 | if (--s->irq.Config == 0) { |
436 | c->state &= ~CONFIG_IRQ_REQ; | |
437 | s->irq.AssignedIRQ = 0; | |
1a8d4663 DB |
438 | } |
439 | ||
440 | if (req->Attributes & IRQ_HANDLE_PRESENT) { | |
441 | free_irq(req->AssignedIRQ, req->Instance); | |
442 | } | |
443 | ||
444 | #ifdef CONFIG_PCMCIA_PROBE | |
445 | pcmcia_used_irq[req->AssignedIRQ]--; | |
446 | #endif | |
447 | ||
4c89e88b | 448 | return 0; |
1a8d4663 | 449 | } /* pcmcia_release_irq */ |
1a8d4663 DB |
450 | |
451 | ||
452 | int pcmcia_release_window(window_handle_t win) | |
453 | { | |
454 | struct pcmcia_socket *s; | |
455 | ||
456 | if ((win == NULL) || (win->magic != WINDOW_MAGIC)) | |
ffb8da20 | 457 | return -EINVAL; |
1a8d4663 | 458 | s = win->sock; |
e2d40963 | 459 | if (!(win->handle->_win & CLIENT_WIN_REQ(win->index))) |
ffb8da20 | 460 | return -EINVAL; |
1a8d4663 DB |
461 | |
462 | /* Shut down memory window */ | |
463 | win->ctl.flags &= ~MAP_ACTIVE; | |
464 | s->ops->set_mem_map(s, &win->ctl); | |
465 | s->state &= ~SOCKET_WIN_REQ(win->index); | |
466 | ||
467 | /* Release system memory */ | |
468 | if (win->ctl.res) { | |
469 | release_resource(win->ctl.res); | |
470 | kfree(win->ctl.res); | |
471 | win->ctl.res = NULL; | |
472 | } | |
e2d40963 | 473 | win->handle->_win &= ~CLIENT_WIN_REQ(win->index); |
1a8d4663 DB |
474 | |
475 | win->magic = 0; | |
476 | ||
4c89e88b | 477 | return 0; |
1a8d4663 DB |
478 | } /* pcmcia_release_window */ |
479 | EXPORT_SYMBOL(pcmcia_release_window); | |
480 | ||
481 | ||
2bc5a9bd | 482 | int pcmcia_request_configuration(struct pcmcia_device *p_dev, |
1a8d4663 DB |
483 | config_req_t *req) |
484 | { | |
485 | int i; | |
486 | u_int base; | |
2bc5a9bd | 487 | struct pcmcia_socket *s = p_dev->socket; |
1a8d4663 DB |
488 | config_t *c; |
489 | pccard_io_map iomap; | |
490 | ||
1a8d4663 | 491 | if (!(s->state & SOCKET_PRESENT)) |
3939c1ef | 492 | return -ENODEV;; |
1a8d4663 | 493 | |
de6405e9 DB |
494 | if (req->IntType & INT_CARDBUS) { |
495 | ds_dbg(p_dev->socket, 0, "IntType may not be INT_CARDBUS\n"); | |
496 | return -EINVAL; | |
497 | } | |
dbb22f0d | 498 | c = p_dev->function_config; |
1a8d4663 | 499 | if (c->state & CONFIG_LOCKED) |
943f70f1 | 500 | return -EACCES; |
1a8d4663 DB |
501 | |
502 | /* Do power control. We don't allow changes in Vcc. */ | |
70294b46 | 503 | s->socket.Vpp = req->Vpp; |
d8b0a49d DB |
504 | if (s->ops->set_socket(s, &s->socket)) { |
505 | dev_printk(KERN_WARNING, &s->dev, | |
506 | "Unable to set socket state\n"); | |
507 | return -EINVAL; | |
508 | } | |
1a8d4663 | 509 | |
1a8d4663 DB |
510 | /* Pick memory or I/O card, DMA mode, interrupt */ |
511 | c->IntType = req->IntType; | |
512 | c->Attributes = req->Attributes; | |
513 | if (req->IntType & INT_MEMORY_AND_IO) | |
514 | s->socket.flags |= SS_IOCARD; | |
515 | if (req->IntType & INT_ZOOMED_VIDEO) | |
516 | s->socket.flags |= SS_ZVCARD | SS_IOCARD; | |
517 | if (req->Attributes & CONF_ENABLE_DMA) | |
518 | s->socket.flags |= SS_DMA_MODE; | |
519 | if (req->Attributes & CONF_ENABLE_SPKR) | |
520 | s->socket.flags |= SS_SPKR_ENA; | |
521 | if (req->Attributes & CONF_ENABLE_IRQ) | |
522 | s->socket.io_irq = s->irq.AssignedIRQ; | |
523 | else | |
524 | s->socket.io_irq = 0; | |
525 | s->ops->set_socket(s, &s->socket); | |
526 | s->lock_count++; | |
527 | ||
528 | /* Set up CIS configuration registers */ | |
529 | base = c->ConfigBase = req->ConfigBase; | |
1ae9c7d8 | 530 | c->CardValues = req->Present; |
1a8d4663 DB |
531 | if (req->Present & PRESENT_COPY) { |
532 | c->Copy = req->Copy; | |
533 | pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &c->Copy); | |
534 | } | |
535 | if (req->Present & PRESENT_OPTION) { | |
536 | if (s->functions == 1) { | |
537 | c->Option = req->ConfigIndex & COR_CONFIG_MASK; | |
538 | } else { | |
539 | c->Option = req->ConfigIndex & COR_MFC_CONFIG_MASK; | |
540 | c->Option |= COR_FUNC_ENA|COR_IREQ_ENA; | |
541 | if (req->Present & PRESENT_IOBASE_0) | |
542 | c->Option |= COR_ADDR_DECODE; | |
543 | } | |
544 | if (c->state & CONFIG_IRQ_REQ) | |
545 | if (!(c->irq.Attributes & IRQ_FORCED_PULSE)) | |
546 | c->Option |= COR_LEVEL_REQ; | |
547 | pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &c->Option); | |
548 | mdelay(40); | |
549 | } | |
550 | if (req->Present & PRESENT_STATUS) { | |
551 | c->Status = req->Status; | |
552 | pcmcia_write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &c->Status); | |
553 | } | |
554 | if (req->Present & PRESENT_PIN_REPLACE) { | |
555 | c->Pin = req->Pin; | |
556 | pcmcia_write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &c->Pin); | |
557 | } | |
558 | if (req->Present & PRESENT_EXT_STATUS) { | |
559 | c->ExtStatus = req->ExtStatus; | |
560 | pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, &c->ExtStatus); | |
561 | } | |
562 | if (req->Present & PRESENT_IOBASE_0) { | |
563 | u_char b = c->io.BasePort1 & 0xff; | |
564 | pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_0)>>1, 1, &b); | |
565 | b = (c->io.BasePort1 >> 8) & 0xff; | |
566 | pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_1)>>1, 1, &b); | |
567 | } | |
568 | if (req->Present & PRESENT_IOSIZE) { | |
569 | u_char b = c->io.NumPorts1 + c->io.NumPorts2 - 1; | |
570 | pcmcia_write_cis_mem(s, 1, (base + CISREG_IOSIZE)>>1, 1, &b); | |
571 | } | |
572 | ||
573 | /* Configure I/O windows */ | |
574 | if (c->state & CONFIG_IO_REQ) { | |
575 | iomap.speed = io_speed; | |
576 | for (i = 0; i < MAX_IO_WIN; i++) | |
c7d00693 | 577 | if (s->io[i].res) { |
1a8d4663 DB |
578 | iomap.map = i; |
579 | iomap.flags = MAP_ACTIVE; | |
c7d00693 | 580 | switch (s->io[i].res->flags & IO_DATA_PATH_WIDTH) { |
1a8d4663 DB |
581 | case IO_DATA_PATH_WIDTH_16: |
582 | iomap.flags |= MAP_16BIT; break; | |
583 | case IO_DATA_PATH_WIDTH_AUTO: | |
584 | iomap.flags |= MAP_AUTOSZ; break; | |
585 | default: | |
586 | break; | |
587 | } | |
c7d00693 DB |
588 | iomap.start = s->io[i].res->start; |
589 | iomap.stop = s->io[i].res->end; | |
1a8d4663 DB |
590 | s->ops->set_io_map(s, &iomap); |
591 | s->io[i].Config++; | |
592 | } | |
593 | } | |
594 | ||
595 | c->state |= CONFIG_LOCKED; | |
e2d40963 | 596 | p_dev->_locked = 1; |
4c89e88b | 597 | return 0; |
1a8d4663 DB |
598 | } /* pcmcia_request_configuration */ |
599 | EXPORT_SYMBOL(pcmcia_request_configuration); | |
600 | ||
601 | ||
602 | /** pcmcia_request_io | |
603 | * | |
604 | * Request_io() reserves ranges of port addresses for a socket. | |
605 | * I have not implemented range sharing or alias addressing. | |
606 | */ | |
2bc5a9bd | 607 | int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) |
1a8d4663 | 608 | { |
2bc5a9bd | 609 | struct pcmcia_socket *s = p_dev->socket; |
1a8d4663 DB |
610 | config_t *c; |
611 | ||
1a8d4663 | 612 | if (!(s->state & SOCKET_PRESENT)) |
3939c1ef | 613 | return -ENODEV; |
1a8d4663 | 614 | |
1a8d4663 | 615 | if (!req) |
de6405e9 | 616 | return -EINVAL; |
dbb22f0d | 617 | c = p_dev->function_config; |
1a8d4663 | 618 | if (c->state & CONFIG_LOCKED) |
943f70f1 | 619 | return -EACCES; |
f958095e DB |
620 | if (c->state & CONFIG_IO_REQ) { |
621 | ds_dbg(s, 0, "IO already configured\n"); | |
622 | return -EBUSY; | |
623 | } | |
610e2374 DB |
624 | if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) { |
625 | ds_dbg(s, 0, "bad attribute setting for IO region 1\n"); | |
626 | return -EINVAL; | |
627 | } | |
1a8d4663 | 628 | if ((req->NumPorts2 > 0) && |
610e2374 DB |
629 | (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) { |
630 | ds_dbg(s, 0, "bad attribute setting for IO region 2\n"); | |
631 | return -EINVAL; | |
632 | } | |
1a8d4663 | 633 | |
f958095e | 634 | ds_dbg(s, 1, "trying to allocate resource 1\n"); |
1a8d4663 | 635 | if (alloc_io_space(s, req->Attributes1, &req->BasePort1, |
f958095e DB |
636 | req->NumPorts1, req->IOAddrLines)) { |
637 | ds_dbg(s, 0, "allocation of resource 1 failed\n"); | |
638 | return -EBUSY; | |
639 | } | |
1a8d4663 DB |
640 | |
641 | if (req->NumPorts2) { | |
f958095e | 642 | ds_dbg(s, 1, "trying to allocate resource 2\n"); |
1a8d4663 DB |
643 | if (alloc_io_space(s, req->Attributes2, &req->BasePort2, |
644 | req->NumPorts2, req->IOAddrLines)) { | |
f958095e | 645 | ds_dbg(s, 0, "allocation of resource 2 failed\n"); |
1a8d4663 | 646 | release_io_space(s, req->BasePort1, req->NumPorts1); |
f958095e | 647 | return -EBUSY; |
1a8d4663 DB |
648 | } |
649 | } | |
650 | ||
651 | c->io = *req; | |
652 | c->state |= CONFIG_IO_REQ; | |
e2d40963 | 653 | p_dev->_io = 1; |
4c89e88b | 654 | return 0; |
1a8d4663 DB |
655 | } /* pcmcia_request_io */ |
656 | EXPORT_SYMBOL(pcmcia_request_io); | |
657 | ||
658 | ||
659 | /** pcmcia_request_irq | |
660 | * | |
661 | * Request_irq() reserves an irq for this client. | |
662 | * | |
663 | * Also, since Linux only reserves irq's when they are actually | |
664 | * hooked, we don't guarantee that an irq will still be available | |
665 | * when the configuration is locked. Now that I think about it, | |
666 | * there might be a way to fix this using a dummy handler. | |
667 | */ | |
668 | ||
669 | #ifdef CONFIG_PCMCIA_PROBE | |
7d12e780 | 670 | static irqreturn_t test_action(int cpl, void *dev_id) |
1a8d4663 DB |
671 | { |
672 | return IRQ_NONE; | |
673 | } | |
674 | #endif | |
675 | ||
2bc5a9bd | 676 | int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) |
1a8d4663 | 677 | { |
2bc5a9bd | 678 | struct pcmcia_socket *s = p_dev->socket; |
1a8d4663 | 679 | config_t *c; |
f958095e | 680 | int ret = -EINVAL, irq = 0; |
c533120b | 681 | int type; |
1a8d4663 | 682 | |
1a8d4663 | 683 | if (!(s->state & SOCKET_PRESENT)) |
3939c1ef | 684 | return -ENODEV; |
dbb22f0d | 685 | c = p_dev->function_config; |
1a8d4663 | 686 | if (c->state & CONFIG_LOCKED) |
943f70f1 | 687 | return -EACCES; |
f958095e DB |
688 | if (c->state & CONFIG_IRQ_REQ) { |
689 | ds_dbg(s, 0, "IRQ already configured\n"); | |
690 | return -EBUSY; | |
691 | } | |
1a8d4663 | 692 | |
c533120b AC |
693 | /* Decide what type of interrupt we are registering */ |
694 | type = 0; | |
695 | if (s->functions > 1) /* All of this ought to be handled higher up */ | |
dace1453 | 696 | type = IRQF_SHARED; |
7bbfd39b | 697 | else if (req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) |
dace1453 | 698 | type = IRQF_SHARED; |
7bbfd39b | 699 | else printk(KERN_WARNING "pcmcia: Driver needs updating to support IRQ sharing.\n"); |
c533120b | 700 | |
1a8d4663 | 701 | #ifdef CONFIG_PCMCIA_PROBE |
635416ef AC |
702 | |
703 | #ifdef IRQ_NOAUTOEN | |
704 | /* if the underlying IRQ infrastructure allows for it, only allocate | |
705 | * the IRQ, but do not enable it | |
706 | */ | |
707 | if (!(req->Attributes & IRQ_HANDLE_PRESENT)) | |
708 | type |= IRQ_NOAUTOEN; | |
709 | #endif /* IRQ_NOAUTOEN */ | |
710 | ||
1a8d4663 DB |
711 | if (s->irq.AssignedIRQ != 0) { |
712 | /* If the interrupt is already assigned, it must be the same */ | |
713 | irq = s->irq.AssignedIRQ; | |
714 | } else { | |
715 | int try; | |
716 | u32 mask = s->irq_mask; | |
a1b274fb | 717 | void *data = &p_dev->dev.driver; /* something unique to this device */ |
1a8d4663 DB |
718 | |
719 | for (try = 0; try < 64; try++) { | |
720 | irq = try % 32; | |
721 | ||
722 | /* marked as available by driver, and not blocked by userspace? */ | |
723 | if (!((mask >> irq) & 1)) | |
724 | continue; | |
725 | ||
726 | /* avoid an IRQ which is already used by a PCMCIA card */ | |
727 | if ((try < 32) && pcmcia_used_irq[irq]) | |
728 | continue; | |
729 | ||
730 | /* register the correct driver, if possible, of check whether | |
731 | * registering a dummy handle works, i.e. if the IRQ isn't | |
732 | * marked as used by the kernel resource management core */ | |
733 | ret = request_irq(irq, | |
734 | (req->Attributes & IRQ_HANDLE_PRESENT) ? req->Handler : test_action, | |
c533120b | 735 | type, |
bd65a685 | 736 | p_dev->devname, |
1a8d4663 DB |
737 | (req->Attributes & IRQ_HANDLE_PRESENT) ? req->Instance : data); |
738 | if (!ret) { | |
739 | if (!(req->Attributes & IRQ_HANDLE_PRESENT)) | |
740 | free_irq(irq, data); | |
741 | break; | |
742 | } | |
743 | } | |
744 | } | |
745 | #endif | |
c181e0e0 DR |
746 | /* only assign PCI irq if no IRQ already assigned */ |
747 | if (ret && !s->irq.AssignedIRQ) { | |
1a8d4663 DB |
748 | if (!s->pci_irq) |
749 | return ret; | |
dace1453 | 750 | type = IRQF_SHARED; |
1a8d4663 DB |
751 | irq = s->pci_irq; |
752 | } | |
753 | ||
c533120b | 754 | if (ret && (req->Attributes & IRQ_HANDLE_PRESENT)) { |
f958095e DB |
755 | ret = request_irq(irq, req->Handler, type, |
756 | p_dev->devname, req->Instance); | |
757 | if (ret) | |
758 | return ret; | |
1a8d4663 DB |
759 | } |
760 | ||
c533120b | 761 | /* Make sure the fact the request type was overridden is passed back */ |
dace1453 | 762 | if (type == IRQF_SHARED && !(req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)) { |
c533120b | 763 | req->Attributes |= IRQ_TYPE_DYNAMIC_SHARING; |
ac449d6e DB |
764 | dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: " |
765 | "request for exclusive IRQ could not be fulfilled.\n"); | |
766 | dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: the driver " | |
767 | "needs updating to supported shared IRQ lines.\n"); | |
c533120b | 768 | } |
1a8d4663 DB |
769 | c->irq.Attributes = req->Attributes; |
770 | s->irq.AssignedIRQ = req->AssignedIRQ = irq; | |
771 | s->irq.Config++; | |
772 | ||
773 | c->state |= CONFIG_IRQ_REQ; | |
e2d40963 | 774 | p_dev->_irq = 1; |
1a8d4663 DB |
775 | |
776 | #ifdef CONFIG_PCMCIA_PROBE | |
777 | pcmcia_used_irq[irq]++; | |
778 | #endif | |
779 | ||
4c89e88b | 780 | return 0; |
1a8d4663 DB |
781 | } /* pcmcia_request_irq */ |
782 | EXPORT_SYMBOL(pcmcia_request_irq); | |
783 | ||
784 | ||
785 | /** pcmcia_request_window | |
786 | * | |
787 | * Request_window() establishes a mapping between card memory space | |
788 | * and system memory space. | |
789 | */ | |
2bc5a9bd | 790 | int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_handle_t *wh) |
1a8d4663 | 791 | { |
2bc5a9bd | 792 | struct pcmcia_socket *s = (*p_dev)->socket; |
1a8d4663 DB |
793 | window_t *win; |
794 | u_long align; | |
795 | int w; | |
796 | ||
1a8d4663 | 797 | if (!(s->state & SOCKET_PRESENT)) |
3939c1ef | 798 | return -ENODEV; |
610e2374 DB |
799 | if (req->Attributes & (WIN_PAGED | WIN_SHARED)) { |
800 | ds_dbg(s, 0, "bad attribute setting for iomem region\n"); | |
801 | return -EINVAL; | |
802 | } | |
1a8d4663 DB |
803 | |
804 | /* Window size defaults to smallest available */ | |
805 | if (req->Size == 0) | |
806 | req->Size = s->map_size; | |
807 | align = (((s->features & SS_CAP_MEM_ALIGN) || | |
808 | (req->Attributes & WIN_STRICT_ALIGN)) ? | |
809 | req->Size : s->map_size); | |
69ba4433 DB |
810 | if (req->Size & (s->map_size-1)) { |
811 | ds_dbg(s, 0, "invalid map size\n"); | |
812 | return -EINVAL; | |
813 | } | |
1a8d4663 | 814 | if ((req->Base && (s->features & SS_CAP_STATIC_MAP)) || |
69ba4433 DB |
815 | (req->Base & (align-1))) { |
816 | ds_dbg(s, 0, "invalid base address\n"); | |
817 | return -EINVAL; | |
818 | } | |
1a8d4663 DB |
819 | if (req->Base) |
820 | align = 0; | |
821 | ||
822 | /* Allocate system memory window */ | |
823 | for (w = 0; w < MAX_WIN; w++) | |
824 | if (!(s->state & SOCKET_WIN_REQ(w))) break; | |
f958095e DB |
825 | if (w == MAX_WIN) { |
826 | ds_dbg(s, 0, "all windows are used already\n"); | |
827 | return -EINVAL; | |
828 | } | |
1a8d4663 DB |
829 | |
830 | win = &s->win[w]; | |
831 | win->magic = WINDOW_MAGIC; | |
832 | win->index = w; | |
2bc5a9bd | 833 | win->handle = *p_dev; |
1a8d4663 DB |
834 | win->sock = s; |
835 | ||
836 | if (!(s->features & SS_CAP_STATIC_MAP)) { | |
837 | win->ctl.res = pcmcia_find_mem_region(req->Base, req->Size, align, | |
838 | (req->Attributes & WIN_MAP_BELOW_1MB), s); | |
f958095e DB |
839 | if (!win->ctl.res) { |
840 | ds_dbg(s, 0, "allocating mem region failed\n"); | |
841 | return -EINVAL; | |
842 | } | |
1a8d4663 | 843 | } |
e2d40963 | 844 | (*p_dev)->_win |= CLIENT_WIN_REQ(w); |
1a8d4663 DB |
845 | |
846 | /* Configure the socket controller */ | |
847 | win->ctl.map = w+1; | |
848 | win->ctl.flags = 0; | |
849 | win->ctl.speed = req->AccessSpeed; | |
850 | if (req->Attributes & WIN_MEMORY_TYPE) | |
851 | win->ctl.flags |= MAP_ATTRIB; | |
852 | if (req->Attributes & WIN_ENABLE) | |
853 | win->ctl.flags |= MAP_ACTIVE; | |
854 | if (req->Attributes & WIN_DATA_WIDTH_16) | |
855 | win->ctl.flags |= MAP_16BIT; | |
856 | if (req->Attributes & WIN_USE_WAIT) | |
857 | win->ctl.flags |= MAP_USE_WAIT; | |
858 | win->ctl.card_start = 0; | |
926c5402 DB |
859 | if (s->ops->set_mem_map(s, &win->ctl) != 0) { |
860 | ds_dbg(s, 0, "failed to set memory mapping\n"); | |
861 | return -EIO; | |
862 | } | |
1a8d4663 DB |
863 | s->state |= SOCKET_WIN_REQ(w); |
864 | ||
865 | /* Return window handle */ | |
866 | if (s->features & SS_CAP_STATIC_MAP) { | |
867 | req->Base = win->ctl.static_start; | |
868 | } else { | |
869 | req->Base = win->ctl.res->start; | |
870 | } | |
871 | *wh = win; | |
872 | ||
4c89e88b | 873 | return 0; |
1a8d4663 DB |
874 | } /* pcmcia_request_window */ |
875 | EXPORT_SYMBOL(pcmcia_request_window); | |
5f2a71fc DB |
876 | |
877 | void pcmcia_disable_device(struct pcmcia_device *p_dev) { | |
5f2a71fc | 878 | pcmcia_release_configuration(p_dev); |
fd238232 DB |
879 | pcmcia_release_io(p_dev, &p_dev->io); |
880 | pcmcia_release_irq(p_dev, &p_dev->irq); | |
c1ac0228 | 881 | if (p_dev->win) |
fd238232 | 882 | pcmcia_release_window(p_dev->win); |
5f2a71fc DB |
883 | } |
884 | EXPORT_SYMBOL(pcmcia_disable_device); | |
a804b574 DB |
885 | |
886 | ||
887 | struct pcmcia_cfg_mem { | |
888 | tuple_t tuple; | |
889 | cisparse_t parse; | |
890 | u8 buf[256]; | |
8e2fc39d | 891 | cistpl_cftable_entry_t dflt; |
a804b574 DB |
892 | }; |
893 | ||
894 | /** | |
895 | * pcmcia_loop_config() - loop over configuration options | |
896 | * @p_dev: the struct pcmcia_device which we need to loop for. | |
897 | * @conf_check: function to call for each configuration option. | |
898 | * It gets passed the struct pcmcia_device, the CIS data | |
899 | * describing the configuration option, and private data | |
900 | * being passed to pcmcia_loop_config() | |
901 | * @priv_data: private data to be passed to the conf_check function. | |
902 | * | |
903 | * pcmcia_loop_config() loops over all configuration options, and calls | |
904 | * the driver-specific conf_check() for each one, checking whether | |
905 | * it is a valid one. | |
906 | */ | |
907 | int pcmcia_loop_config(struct pcmcia_device *p_dev, | |
908 | int (*conf_check) (struct pcmcia_device *p_dev, | |
909 | cistpl_cftable_entry_t *cfg, | |
8e2fc39d | 910 | cistpl_cftable_entry_t *dflt, |
ad913c11 | 911 | unsigned int vcc, |
a804b574 DB |
912 | void *priv_data), |
913 | void *priv_data) | |
914 | { | |
915 | struct pcmcia_cfg_mem *cfg_mem; | |
8e2fc39d | 916 | |
a804b574 DB |
917 | tuple_t *tuple; |
918 | int ret = -ENODEV; | |
ad913c11 | 919 | unsigned int vcc; |
a804b574 DB |
920 | |
921 | cfg_mem = kzalloc(sizeof(struct pcmcia_cfg_mem), GFP_KERNEL); | |
922 | if (cfg_mem == NULL) | |
923 | return -ENOMEM; | |
924 | ||
ad913c11 DB |
925 | /* get the current Vcc setting */ |
926 | vcc = p_dev->socket->socket.Vcc; | |
927 | ||
a804b574 DB |
928 | tuple = &cfg_mem->tuple; |
929 | tuple->TupleData = cfg_mem->buf; | |
930 | tuple->TupleDataMax = 255; | |
931 | tuple->TupleOffset = 0; | |
932 | tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
933 | tuple->Attributes = 0; | |
934 | ||
935 | ret = pcmcia_get_first_tuple(p_dev, tuple); | |
936 | while (!ret) { | |
498ac189 DB |
937 | cistpl_cftable_entry_t *cfg = &cfg_mem->parse.cftable_entry; |
938 | ||
a804b574 DB |
939 | if (pcmcia_get_tuple_data(p_dev, tuple)) |
940 | goto next_entry; | |
941 | ||
2f3061eb | 942 | if (pcmcia_parse_tuple(tuple, &cfg_mem->parse)) |
a804b574 DB |
943 | goto next_entry; |
944 | ||
498ac189 DB |
945 | /* default values */ |
946 | p_dev->conf.ConfigIndex = cfg->index; | |
8e2fc39d DB |
947 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) |
948 | cfg_mem->dflt = *cfg; | |
498ac189 | 949 | |
ad913c11 | 950 | ret = conf_check(p_dev, cfg, &cfg_mem->dflt, vcc, priv_data); |
a804b574 DB |
951 | if (!ret) |
952 | break; | |
953 | ||
954 | next_entry: | |
955 | ret = pcmcia_get_next_tuple(p_dev, tuple); | |
956 | } | |
957 | ||
958 | return ret; | |
959 | } | |
960 | EXPORT_SYMBOL(pcmcia_loop_config); |