2 * PCMCIA 16-bit resource management functions
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.
8 * Copyright (C) 1999 David A. Hinds
9 * Copyright (C) 2004-2005 Dominik Brodowski
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.
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 #include <linux/netdevice.h>
24 #include <linux/slab.h>
28 #include <pcmcia/ss.h>
29 #include <pcmcia/cistpl.h>
30 #include <pcmcia/cisreg.h>
31 #include <pcmcia/ds.h>
33 #include "cs_internal.h"
36 /* Access speed for IO windows */
38 module_param(io_speed, int, 0444);
41 int pcmcia_validate_mem(struct pcmcia_socket *s)
43 if (s->resource_ops->validate_mem)
44 return s->resource_ops->validate_mem(s);
45 /* if there is no callback, we can assume that everything is OK */
49 struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
50 int low, struct pcmcia_socket *s)
52 if (s->resource_ops->find_mem)
53 return s->resource_ops->find_mem(base, num, align, low, s);
58 static void release_io_space(struct pcmcia_socket *s, struct resource *res)
60 resource_size_t num = resource_size(res);
63 dev_dbg(&s->dev, "release_io_space for %pR\n", res);
65 for (i = 0; i < MAX_IO_WIN; i++) {
68 if ((s->io[i].res->start <= res->start) &&
69 (s->io[i].res->end >= res->end)) {
70 s->io[i].InUse -= num;
72 release_resource(res);
73 res->start = res->end = 0;
74 res->flags = IORESOURCE_IO;
75 /* Free the window if no one else is using it */
76 if (s->io[i].InUse == 0) {
77 release_resource(s->io[i].res);
83 } /* release_io_space */
87 * Special stuff for managing IO windows, because they are scarce
89 static int alloc_io_space(struct pcmcia_socket *s, struct resource *res,
93 unsigned int base = res->start;
94 unsigned int num = res->end;
97 res->flags |= IORESOURCE_IO;
99 dev_dbg(&s->dev, "alloc_io_space request for %pR, %d lines\n",
102 align = base ? (lines ? 1<<lines : 0) : 1;
103 if (align && (align < num)) {
105 dev_dbg(&s->dev, "odd IO request\n");
108 while (align && (align < num))
111 if (base & ~(align-1)) {
112 dev_dbg(&s->dev, "odd IO request\n");
116 ret = s->resource_ops->find_io(s, res->flags, &base, num, align,
119 dev_dbg(&s->dev, "alloc_io_space request failed (%d)\n", ret);
124 res->end = res->start + num - 1;
127 ret = request_resource(res->parent, res);
130 "request_resource %pR failed: %d\n", res, ret);
132 release_io_space(s, res);
135 dev_dbg(&s->dev, "alloc_io_space request result %d: %pR\n", ret, res);
137 } /* alloc_io_space */
141 * pcmcia_access_config() - read or write card configuration registers
143 * pcmcia_access_config() reads and writes configuration registers in
144 * attribute memory. Memory window 0 is reserved for this and the tuple
145 * reading services. Drivers must use pcmcia_read_config_byte() or
146 * pcmcia_write_config_byte().
148 static int pcmcia_access_config(struct pcmcia_device *p_dev,
149 off_t where, u8 *val,
150 int (*accessf) (struct pcmcia_socket *s,
151 int attr, unsigned int addr,
152 unsigned int len, void *ptr))
154 struct pcmcia_socket *s;
161 mutex_lock(&s->ops_mutex);
162 c = p_dev->function_config;
164 if (!(c->state & CONFIG_LOCKED)) {
165 dev_dbg(&p_dev->dev, "Configuration isnt't locked\n");
166 mutex_unlock(&s->ops_mutex);
170 addr = (p_dev->config_base + where) >> 1;
172 ret = accessf(s, 1, addr, 1, val);
174 mutex_unlock(&s->ops_mutex);
177 } /* pcmcia_access_config */
181 * pcmcia_read_config_byte() - read a byte from a card configuration register
183 * pcmcia_read_config_byte() reads a byte from a configuration register in
186 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val)
188 return pcmcia_access_config(p_dev, where, val, pcmcia_read_cis_mem);
190 EXPORT_SYMBOL(pcmcia_read_config_byte);
194 * pcmcia_write_config_byte() - write a byte to a card configuration register
196 * pcmcia_write_config_byte() writes a byte to a configuration register in
199 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val)
201 return pcmcia_access_config(p_dev, where, &val, pcmcia_write_cis_mem);
203 EXPORT_SYMBOL(pcmcia_write_config_byte);
206 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
209 struct pcmcia_socket *s = p_dev->socket;
213 w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1;
217 mutex_lock(&s->ops_mutex);
218 s->win[w].card_start = offset;
219 ret = s->ops->set_mem_map(s, &s->win[w]);
221 dev_warn(&p_dev->dev, "failed to set_mem_map\n");
222 mutex_unlock(&s->ops_mutex);
224 } /* pcmcia_map_mem_page */
225 EXPORT_SYMBOL(pcmcia_map_mem_page);
229 * pcmcia_fixup_iowidth() - reduce io width to 8bit
231 * pcmcia_fixup_iowidth() allows a PCMCIA device driver to reduce the
232 * IO width to 8bit after having called pcmcia_enable_device()
235 int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev)
237 struct pcmcia_socket *s = p_dev->socket;
238 pccard_io_map io_off = { 0, 0, 0, 0, 1 };
242 mutex_lock(&s->ops_mutex);
244 dev_dbg(&p_dev->dev, "fixup iowidth to 8bit\n");
246 if (!(s->state & SOCKET_PRESENT) ||
247 !(p_dev->function_config->state & CONFIG_LOCKED)) {
248 dev_dbg(&p_dev->dev, "No card? Config not locked?\n");
253 io_on.speed = io_speed;
254 for (i = 0; i < MAX_IO_WIN; i++) {
260 io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8;
261 io_on.start = s->io[i].res->start;
262 io_on.stop = s->io[i].res->end;
264 s->ops->set_io_map(s, &io_off);
266 s->ops->set_io_map(s, &io_on);
269 mutex_unlock(&s->ops_mutex);
273 EXPORT_SYMBOL(pcmcia_fixup_iowidth);
277 * pcmcia_fixup_vpp() - set Vpp to a new voltage level
279 * pcmcia_fixup_vpp() allows a PCMCIA device driver to set Vpp to
280 * a new voltage level between calls to pcmcia_enable_device()
281 * and pcmcia_disable_device().
283 int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp)
285 struct pcmcia_socket *s = p_dev->socket;
288 mutex_lock(&s->ops_mutex);
290 dev_dbg(&p_dev->dev, "fixup Vpp to %d\n", new_vpp);
292 if (!(s->state & SOCKET_PRESENT) ||
293 !(p_dev->function_config->state & CONFIG_LOCKED)) {
294 dev_dbg(&p_dev->dev, "No card? Config not locked?\n");
299 s->socket.Vpp = new_vpp;
300 if (s->ops->set_socket(s, &s->socket)) {
301 dev_warn(&p_dev->dev, "Unable to set VPP\n");
305 p_dev->vpp = new_vpp;
308 mutex_unlock(&s->ops_mutex);
312 EXPORT_SYMBOL(pcmcia_fixup_vpp);
315 int pcmcia_release_configuration(struct pcmcia_device *p_dev)
317 pccard_io_map io = { 0, 0, 0, 0, 1 };
318 struct pcmcia_socket *s = p_dev->socket;
322 mutex_lock(&s->ops_mutex);
323 c = p_dev->function_config;
324 if (p_dev->_locked) {
326 if (--(s->lock_count) == 0) {
327 s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */
329 s->socket.io_irq = 0;
330 s->ops->set_socket(s, &s->socket);
333 if (c->state & CONFIG_LOCKED) {
334 c->state &= ~CONFIG_LOCKED;
335 if (c->state & CONFIG_IO_REQ)
336 for (i = 0; i < MAX_IO_WIN; i++) {
340 if (s->io[i].Config != 0)
343 s->ops->set_io_map(s, &io);
346 mutex_unlock(&s->ops_mutex);
349 } /* pcmcia_release_configuration */
352 /** pcmcia_release_io
354 * Release_io() releases the I/O ranges allocated by a client. This
355 * may be invoked some time after a card ejection has already dumped
356 * the actual socket configuration, so if the client is "stale", we
357 * don't bother checking the port ranges against the current socket
360 static int pcmcia_release_io(struct pcmcia_device *p_dev)
362 struct pcmcia_socket *s = p_dev->socket;
366 mutex_lock(&s->ops_mutex);
370 c = p_dev->function_config;
372 release_io_space(s, &c->io[0]);
375 release_io_space(s, &c->io[1]);
378 c->state &= ~CONFIG_IO_REQ;
381 mutex_unlock(&s->ops_mutex);
384 } /* pcmcia_release_io */
387 * pcmcia_release_window() - release reserved iomem for PCMCIA devices
389 * pcmcia_release_window() releases struct resource *res which was
390 * previously reserved by calling pcmcia_request_window().
392 int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res)
394 struct pcmcia_socket *s = p_dev->socket;
398 dev_dbg(&p_dev->dev, "releasing window %pR\n", res);
400 w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1;
404 mutex_lock(&s->ops_mutex);
407 if (!(p_dev->_win & CLIENT_WIN_REQ(w))) {
408 dev_dbg(&p_dev->dev, "not releasing unknown window\n");
409 mutex_unlock(&s->ops_mutex);
413 /* Shut down memory window */
414 win->flags &= ~MAP_ACTIVE;
415 s->ops->set_mem_map(s, win);
416 s->state &= ~SOCKET_WIN_REQ(w);
418 /* Release system memory */
420 release_resource(res);
421 release_resource(win->res);
425 res->start = res->end = 0;
426 res->flags = IORESOURCE_MEM;
427 p_dev->_win &= ~CLIENT_WIN_REQ(w);
428 mutex_unlock(&s->ops_mutex);
431 } /* pcmcia_release_window */
432 EXPORT_SYMBOL(pcmcia_release_window);
435 * pcmcia_enable_device() - set up and activate a PCMCIA device
438 int pcmcia_enable_device(struct pcmcia_device *p_dev)
442 struct pcmcia_socket *s = p_dev->socket;
445 unsigned char status = 0;
446 unsigned char ext_status = 0;
447 unsigned char option = 0;
448 unsigned int flags = p_dev->config_flags;
450 if (!(s->state & SOCKET_PRESENT))
453 mutex_lock(&s->ops_mutex);
454 c = p_dev->function_config;
455 if (c->state & CONFIG_LOCKED) {
456 mutex_unlock(&s->ops_mutex);
457 dev_dbg(&p_dev->dev, "Configuration is locked\n");
461 /* Do power control. We don't allow changes in Vcc. */
462 s->socket.Vpp = p_dev->vpp;
463 if (s->ops->set_socket(s, &s->socket)) {
464 mutex_unlock(&s->ops_mutex);
465 dev_printk(KERN_WARNING, &p_dev->dev,
466 "Unable to set socket state\n");
470 /* Pick memory or I/O card, DMA mode, interrupt */
472 s->socket.flags |= SS_IOCARD;
473 if (flags & CONF_ENABLE_SPKR) {
474 s->socket.flags |= SS_SPKR_ENA;
475 status = CCSR_AUDIO_ENA;
476 if (!(p_dev->config_regs & PRESENT_STATUS))
477 dev_warn(&p_dev->dev, "speaker requested, but "
478 "PRESENT_STATUS not set!\n");
480 if (flags & CONF_ENABLE_IRQ)
481 s->socket.io_irq = s->pcmcia_irq;
483 s->socket.io_irq = 0;
484 if (flags & CONF_ENABLE_ESR) {
485 p_dev->config_regs |= PRESENT_EXT_STATUS;
486 ext_status = ESR_REQ_ATTN_ENA;
488 s->ops->set_socket(s, &s->socket);
491 /* Set up CIS configuration registers */
492 base = p_dev->config_base;
493 if (p_dev->config_regs & PRESENT_COPY) {
495 dev_dbg(&p_dev->dev, "clearing CISREG_SCR\n");
496 pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &tmp);
498 if (p_dev->config_regs & PRESENT_PIN_REPLACE) {
500 dev_dbg(&p_dev->dev, "clearing CISREG_PRR\n");
501 pcmcia_write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &tmp);
503 if (p_dev->config_regs & PRESENT_OPTION) {
504 if (s->functions == 1) {
505 option = p_dev->config_index & COR_CONFIG_MASK;
507 option = p_dev->config_index & COR_MFC_CONFIG_MASK;
508 option |= COR_FUNC_ENA|COR_IREQ_ENA;
509 if (p_dev->config_regs & PRESENT_IOBASE_0)
510 option |= COR_ADDR_DECODE;
512 if ((flags & CONF_ENABLE_IRQ) &&
513 !(flags & CONF_ENABLE_PULSE_IRQ))
514 option |= COR_LEVEL_REQ;
515 pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &option);
518 if (p_dev->config_regs & PRESENT_STATUS)
519 pcmcia_write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &status);
521 if (p_dev->config_regs & PRESENT_EXT_STATUS)
522 pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1,
525 if (p_dev->config_regs & PRESENT_IOBASE_0) {
526 u8 b = c->io[0].start & 0xff;
527 pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_0)>>1, 1, &b);
528 b = (c->io[0].start >> 8) & 0xff;
529 pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_1)>>1, 1, &b);
531 if (p_dev->config_regs & PRESENT_IOSIZE) {
532 u8 b = resource_size(&c->io[0]) + resource_size(&c->io[1]) - 1;
533 pcmcia_write_cis_mem(s, 1, (base + CISREG_IOSIZE)>>1, 1, &b);
536 /* Configure I/O windows */
537 if (c->state & CONFIG_IO_REQ) {
538 iomap.speed = io_speed;
539 for (i = 0; i < MAX_IO_WIN; i++)
542 iomap.flags = MAP_ACTIVE;
543 switch (s->io[i].res->flags & IO_DATA_PATH_WIDTH) {
544 case IO_DATA_PATH_WIDTH_16:
545 iomap.flags |= MAP_16BIT; break;
546 case IO_DATA_PATH_WIDTH_AUTO:
547 iomap.flags |= MAP_AUTOSZ; break;
551 iomap.start = s->io[i].res->start;
552 iomap.stop = s->io[i].res->end;
553 s->ops->set_io_map(s, &iomap);
558 c->state |= CONFIG_LOCKED;
560 mutex_unlock(&s->ops_mutex);
562 } /* pcmcia_enable_device */
563 EXPORT_SYMBOL(pcmcia_enable_device);
567 * pcmcia_request_io() - attempt to reserve port ranges for PCMCIA devices
569 * pcmcia_request_io() attepts to reserve the IO port ranges specified in
570 * &struct pcmcia_device @p_dev->resource[0] and @p_dev->resource[1]. The
571 * "start" value is the requested start of the IO port resource; "end"
572 * reflects the number of ports requested. The number of IO lines requested
573 * is specified in &struct pcmcia_device @p_dev->io_lines.
575 int pcmcia_request_io(struct pcmcia_device *p_dev)
577 struct pcmcia_socket *s = p_dev->socket;
578 config_t *c = p_dev->function_config;
581 mutex_lock(&s->ops_mutex);
582 dev_dbg(&p_dev->dev, "pcmcia_request_io: %pR , %pR",
583 &c->io[0], &c->io[1]);
585 if (!(s->state & SOCKET_PRESENT)) {
586 dev_dbg(&p_dev->dev, "pcmcia_request_io: No card present\n");
590 if (c->state & CONFIG_LOCKED) {
591 dev_dbg(&p_dev->dev, "Configuration is locked\n");
594 if (c->state & CONFIG_IO_REQ) {
595 dev_dbg(&p_dev->dev, "IO already configured\n");
599 ret = alloc_io_space(s, &c->io[0], p_dev->io_lines);
604 ret = alloc_io_space(s, &c->io[1], p_dev->io_lines);
606 struct resource tmp = c->io[0];
607 /* release the previously allocated resource */
608 release_io_space(s, &c->io[0]);
609 /* but preserve the settings, for they worked... */
610 c->io[0].end = resource_size(&tmp);
611 c->io[0].start = tmp.start;
612 c->io[0].flags = tmp.flags;
618 c->state |= CONFIG_IO_REQ;
621 dev_dbg(&p_dev->dev, "pcmcia_request_io succeeded: %pR , %pR",
622 &c->io[0], &c->io[1]);
624 mutex_unlock(&s->ops_mutex);
627 } /* pcmcia_request_io */
628 EXPORT_SYMBOL(pcmcia_request_io);
632 * pcmcia_request_irq() - attempt to request a IRQ for a PCMCIA device
634 * pcmcia_request_irq() is a wrapper around request_irq which will allow
635 * the PCMCIA core to clean up the registration in pcmcia_disable_device().
636 * Drivers are free to use request_irq() directly, but then they need to
637 * call free_irq themselfves, too. Also, only IRQF_SHARED capable IRQ
638 * handlers are allowed.
640 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
641 irq_handler_t handler)
648 ret = request_irq(p_dev->irq, handler, IRQF_SHARED,
649 p_dev->devname, p_dev->priv);
655 EXPORT_SYMBOL(pcmcia_request_irq);
659 * pcmcia_request_exclusive_irq() - attempt to request an exclusive IRQ first
661 * pcmcia_request_exclusive_irq() is a wrapper around request_irq which
662 * attempts first to request an exclusive IRQ. If it fails, it also accepts
663 * a shared IRQ, but prints out a warning. PCMCIA drivers should allow for
664 * IRQ sharing and either use request_irq directly (then they need to call
665 * free_irq themselves, too), or the pcmcia_request_irq() function.
668 __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
669 irq_handler_t handler)
676 ret = request_irq(p_dev->irq, handler, 0, p_dev->devname, p_dev->priv);
678 ret = pcmcia_request_irq(p_dev, handler);
679 dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: "
680 "request for exclusive IRQ could not be fulfilled.\n");
681 dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: the driver "
682 "needs updating to supported shared IRQ lines.\n");
685 dev_printk(KERN_INFO, &p_dev->dev, "request_irq() failed\n");
690 } /* pcmcia_request_exclusive_irq */
691 EXPORT_SYMBOL(__pcmcia_request_exclusive_irq);
694 #ifdef CONFIG_PCMCIA_PROBE
696 /* mask of IRQs already reserved by other cards, we should avoid using them */
697 static u8 pcmcia_used_irq[32];
699 static irqreturn_t test_action(int cpl, void *dev_id)
705 * pcmcia_setup_isa_irq() - determine whether an ISA IRQ can be used
706 * @p_dev - the associated PCMCIA device
708 * locking note: must be called with ops_mutex locked.
710 static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type)
712 struct pcmcia_socket *s = p_dev->socket;
713 unsigned int try, irq;
714 u32 mask = s->irq_mask;
717 for (try = 0; try < 64; try++) {
723 /* marked as available by driver, not blocked by userspace? */
724 if (!((mask >> irq) & 1))
727 /* avoid an IRQ which is already used by another PCMCIA card */
728 if ((try < 32) && pcmcia_used_irq[irq])
731 /* register the correct driver, if possible, to check whether
732 * registering a dummy handle works, i.e. if the IRQ isn't
733 * marked as used by the kernel resource management core */
734 ret = request_irq(irq, test_action, type, p_dev->devname,
737 free_irq(irq, p_dev);
738 p_dev->irq = s->pcmcia_irq = irq;
739 pcmcia_used_irq[irq]++;
747 void pcmcia_cleanup_irq(struct pcmcia_socket *s)
749 pcmcia_used_irq[s->pcmcia_irq]--;
753 #else /* CONFIG_PCMCIA_PROBE */
755 static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type)
760 void pcmcia_cleanup_irq(struct pcmcia_socket *s)
766 #endif /* CONFIG_PCMCIA_PROBE */
770 * pcmcia_setup_irq() - determine IRQ to be used for device
771 * @p_dev - the associated PCMCIA device
773 * locking note: must be called with ops_mutex locked.
775 int pcmcia_setup_irq(struct pcmcia_device *p_dev)
777 struct pcmcia_socket *s = p_dev->socket;
782 /* already assigned? */
784 p_dev->irq = s->pcmcia_irq;
788 /* prefer an exclusive ISA irq */
789 if (!pcmcia_setup_isa_irq(p_dev, 0))
792 /* but accept a shared ISA irq */
793 if (!pcmcia_setup_isa_irq(p_dev, IRQF_SHARED))
796 /* but use the PCI irq otherwise */
798 p_dev->irq = s->pcmcia_irq = s->pci_irq;
807 * pcmcia_request_window() - attempt to reserve iomem for PCMCIA devices
809 * pcmcia_request_window() attepts to reserve an iomem ranges specified in
810 * struct resource *res pointing to one of the entries in
811 * struct pcmcia_device *p_dev->resource[2..5]. The "start" value is the
812 * requested start of the IO mem resource; "end" reflects the size
815 int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
818 struct pcmcia_socket *s = p_dev->socket;
823 if (!(s->state & SOCKET_PRESENT)) {
824 dev_dbg(&p_dev->dev, "No card present\n");
828 /* Window size defaults to smallest available */
830 res->end = s->map_size;
831 align = (s->features & SS_CAP_MEM_ALIGN) ? res->end : s->map_size;
832 if (res->end & (s->map_size-1)) {
833 dev_dbg(&p_dev->dev, "invalid map size\n");
836 if ((res->start && (s->features & SS_CAP_STATIC_MAP)) ||
837 (res->start & (align-1))) {
838 dev_dbg(&p_dev->dev, "invalid base address\n");
844 /* Allocate system memory window */
845 mutex_lock(&s->ops_mutex);
846 for (w = 0; w < MAX_WIN; w++)
847 if (!(s->state & SOCKET_WIN_REQ(w)))
850 dev_dbg(&p_dev->dev, "all windows are used already\n");
851 mutex_unlock(&s->ops_mutex);
857 if (!(s->features & SS_CAP_STATIC_MAP)) {
858 win->res = pcmcia_find_mem_region(res->start, res->end, align,
861 dev_dbg(&p_dev->dev, "allocating mem region failed\n");
862 mutex_unlock(&s->ops_mutex);
866 p_dev->_win |= CLIENT_WIN_REQ(w);
868 /* Configure the socket controller */
870 win->flags = res->flags & WIN_FLAGS_MAP;
874 if (s->ops->set_mem_map(s, win) != 0) {
875 dev_dbg(&p_dev->dev, "failed to set memory mapping\n");
876 mutex_unlock(&s->ops_mutex);
879 s->state |= SOCKET_WIN_REQ(w);
881 /* Return window handle */
882 if (s->features & SS_CAP_STATIC_MAP)
883 res->start = win->static_start;
885 res->start = win->res->start;
887 /* convert to new-style resources */
888 res->end += res->start - 1;
889 res->flags &= ~WIN_FLAGS_REQ;
890 res->flags |= (win->map << 2) | IORESOURCE_MEM;
891 res->parent = win->res;
893 request_resource(&iomem_resource, res);
895 dev_dbg(&p_dev->dev, "request_window results in %pR\n", res);
897 mutex_unlock(&s->ops_mutex);
900 } /* pcmcia_request_window */
901 EXPORT_SYMBOL(pcmcia_request_window);
903 void pcmcia_disable_device(struct pcmcia_device *p_dev)
906 for (i = 0; i < MAX_WIN; i++) {
907 struct resource *res = p_dev->resource[MAX_IO_WIN + i];
908 if (res->flags & WIN_FLAGS_REQ)
909 pcmcia_release_window(p_dev, res);
912 pcmcia_release_configuration(p_dev);
913 pcmcia_release_io(p_dev);
915 free_irq(p_dev->irq, p_dev->priv);
919 EXPORT_SYMBOL(pcmcia_disable_device);