diff options
| -rw-r--r-- | drivers/pcmcia/soc_common.c | 128 |
1 files changed, 68 insertions, 60 deletions
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 689e3c02edb8..b42e129b7673 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c | |||
| @@ -31,20 +31,20 @@ | |||
| 31 | ======================================================================*/ | 31 | ======================================================================*/ |
| 32 | 32 | ||
| 33 | 33 | ||
| 34 | #include <linux/module.h> | 34 | #include <linux/cpufreq.h> |
| 35 | #include <linux/moduleparam.h> | ||
| 36 | #include <linux/init.h> | 35 | #include <linux/init.h> |
| 36 | #include <linux/interrupt.h> | ||
| 37 | #include <linux/io.h> | ||
| 38 | #include <linux/irq.h> | ||
| 37 | #include <linux/kernel.h> | 39 | #include <linux/kernel.h> |
| 38 | #include <linux/timer.h> | ||
| 39 | #include <linux/mm.h> | 40 | #include <linux/mm.h> |
| 41 | #include <linux/module.h> | ||
| 42 | #include <linux/moduleparam.h> | ||
| 40 | #include <linux/mutex.h> | 43 | #include <linux/mutex.h> |
| 41 | #include <linux/interrupt.h> | ||
| 42 | #include <linux/irq.h> | ||
| 43 | #include <linux/spinlock.h> | 44 | #include <linux/spinlock.h> |
| 44 | #include <linux/cpufreq.h> | 45 | #include <linux/timer.h> |
| 45 | 46 | ||
| 46 | #include <mach/hardware.h> | 47 | #include <mach/hardware.h> |
| 47 | #include <asm/io.h> | ||
| 48 | #include <asm/system.h> | 48 | #include <asm/system.h> |
| 49 | 49 | ||
| 50 | #include "soc_common.h" | 50 | #include "soc_common.h" |
| @@ -68,7 +68,8 @@ void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func, | |||
| 68 | 68 | ||
| 69 | #endif | 69 | #endif |
| 70 | 70 | ||
| 71 | #define to_soc_pcmcia_socket(x) container_of(x, struct soc_pcmcia_socket, socket) | 71 | #define to_soc_pcmcia_socket(x) \ |
| 72 | container_of(x, struct soc_pcmcia_socket, socket) | ||
| 72 | 73 | ||
| 73 | static unsigned short | 74 | static unsigned short |
| 74 | calc_speed(unsigned short *spds, int num, unsigned short dflt) | 75 | calc_speed(unsigned short *spds, int num, unsigned short dflt) |
| @@ -85,11 +86,15 @@ calc_speed(unsigned short *spds, int num, unsigned short dflt) | |||
| 85 | return speed; | 86 | return speed; |
| 86 | } | 87 | } |
| 87 | 88 | ||
| 88 | void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt, struct soc_pcmcia_timing *timing) | 89 | void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt, |
| 90 | struct soc_pcmcia_timing *timing) | ||
| 89 | { | 91 | { |
| 90 | timing->io = calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS); | 92 | timing->io = |
| 91 | timing->mem = calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); | 93 | calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS); |
| 92 | timing->attr = calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); | 94 | timing->mem = |
| 95 | calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); | ||
| 96 | timing->attr = | ||
| 97 | calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); | ||
| 93 | } | 98 | } |
| 94 | EXPORT_SYMBOL(soc_common_pcmcia_get_timing); | 99 | EXPORT_SYMBOL(soc_common_pcmcia_get_timing); |
| 95 | 100 | ||
| @@ -131,8 +136,8 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) | |||
| 131 | * | 136 | * |
| 132 | * Convert PCMCIA socket state to our socket configure structure. | 137 | * Convert PCMCIA socket state to our socket configure structure. |
| 133 | */ | 138 | */ |
| 134 | static int | 139 | static int soc_common_pcmcia_config_skt( |
| 135 | soc_common_pcmcia_config_skt(struct soc_pcmcia_socket *skt, socket_state_t *state) | 140 | struct soc_pcmcia_socket *skt, socket_state_t *state) |
| 136 | { | 141 | { |
| 137 | int ret; | 142 | int ret; |
| 138 | 143 | ||
| @@ -144,7 +149,8 @@ soc_common_pcmcia_config_skt(struct soc_pcmcia_socket *skt, socket_state_t *stat | |||
| 144 | */ | 149 | */ |
| 145 | if (skt->irq_state != 1 && state->io_irq) { | 150 | if (skt->irq_state != 1 && state->io_irq) { |
| 146 | skt->irq_state = 1; | 151 | skt->irq_state = 1; |
| 147 | set_irq_type(skt->socket.pci_irq, IRQ_TYPE_EDGE_FALLING); | 152 | set_irq_type(skt->socket.pci_irq, |
| 153 | IRQ_TYPE_EDGE_FALLING); | ||
| 148 | } else if (skt->irq_state == 1 && state->io_irq == 0) { | 154 | } else if (skt->irq_state == 1 && state->io_irq == 0) { |
| 149 | skt->irq_state = 0; | 155 | skt->irq_state = 0; |
| 150 | set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE); | 156 | set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE); |
| @@ -298,24 +304,24 @@ soc_common_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status) | |||
| 298 | * of power configuration, reset, &c. We also record the value of | 304 | * of power configuration, reset, &c. We also record the value of |
| 299 | * `state' in order to regurgitate it to the PCMCIA core later. | 305 | * `state' in order to regurgitate it to the PCMCIA core later. |
| 300 | */ | 306 | */ |
| 301 | static int | 307 | static int soc_common_pcmcia_set_socket( |
| 302 | soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) | 308 | struct pcmcia_socket *sock, socket_state_t *state) |
| 303 | { | 309 | { |
| 304 | struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); | 310 | struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); |
| 305 | 311 | ||
| 306 | debug(skt, 2, "mask: %s%s%s%s%s%sflags: %s%s%s%s%s%sVcc %d Vpp %d irq %d\n", | 312 | debug(skt, 2, "mask: %s%s%s%s%s%s flags: %s%s%s%s%s%s Vcc %d Vpp %d irq %d\n", |
| 307 | (state->csc_mask==0)?"<NONE> ":"", | 313 | (state->csc_mask == 0) ? "<NONE> " : "", |
| 308 | (state->csc_mask&SS_DETECT)?"DETECT ":"", | 314 | (state->csc_mask & SS_DETECT) ? "DETECT " : "", |
| 309 | (state->csc_mask&SS_READY)?"READY ":"", | 315 | (state->csc_mask & SS_READY) ? "READY " : "", |
| 310 | (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"", | 316 | (state->csc_mask & SS_BATDEAD) ? "BATDEAD " : "", |
| 311 | (state->csc_mask&SS_BATWARN)?"BATWARN ":"", | 317 | (state->csc_mask & SS_BATWARN) ? "BATWARN " : "", |
| 312 | (state->csc_mask&SS_STSCHG)?"STSCHG ":"", | 318 | (state->csc_mask & SS_STSCHG) ? "STSCHG " : "", |
| 313 | (state->flags==0)?"<NONE> ":"", | 319 | (state->flags == 0) ? "<NONE> " : "", |
| 314 | (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"", | 320 | (state->flags & SS_PWR_AUTO) ? "PWR_AUTO " : "", |
| 315 | (state->flags&SS_IOCARD)?"IOCARD ":"", | 321 | (state->flags & SS_IOCARD) ? "IOCARD " : "", |
| 316 | (state->flags&SS_RESET)?"RESET ":"", | 322 | (state->flags & SS_RESET) ? "RESET " : "", |
| 317 | (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"", | 323 | (state->flags & SS_SPKR_ENA) ? "SPKR_ENA " : "", |
| 318 | (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":"", | 324 | (state->flags & SS_OUTPUT_ENA) ? "OUTPUT_ENA " : "", |
| 319 | state->Vcc, state->Vpp, state->io_irq); | 325 | state->Vcc, state->Vpp, state->io_irq); |
| 320 | 326 | ||
| 321 | return soc_common_pcmcia_config_skt(skt, state); | 327 | return soc_common_pcmcia_config_skt(skt, state); |
| @@ -330,8 +336,8 @@ soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) | |||
| 330 | * | 336 | * |
| 331 | * Returns: 0 on success, -1 on error | 337 | * Returns: 0 on success, -1 on error |
| 332 | */ | 338 | */ |
| 333 | static int | 339 | static int soc_common_pcmcia_set_io_map( |
| 334 | soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map) | 340 | struct pcmcia_socket *sock, struct pccard_io_map *map) |
| 335 | { | 341 | { |
| 336 | struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); | 342 | struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); |
| 337 | unsigned short speed = map->speed; | 343 | unsigned short speed = map->speed; |
| @@ -340,14 +346,14 @@ soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *m | |||
| 340 | map->map, map->speed, (unsigned long long)map->start, | 346 | map->map, map->speed, (unsigned long long)map->start, |
| 341 | (unsigned long long)map->stop); | 347 | (unsigned long long)map->stop); |
| 342 | debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n", | 348 | debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n", |
| 343 | (map->flags==0)?"<NONE>":"", | 349 | (map->flags == 0) ? "<NONE>" : "", |
| 344 | (map->flags&MAP_ACTIVE)?"ACTIVE ":"", | 350 | (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", |
| 345 | (map->flags&MAP_16BIT)?"16BIT ":"", | 351 | (map->flags & MAP_16BIT) ? "16BIT " : "", |
| 346 | (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"", | 352 | (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", |
| 347 | (map->flags&MAP_0WS)?"0WS ":"", | 353 | (map->flags & MAP_0WS) ? "0WS " : "", |
| 348 | (map->flags&MAP_WRPROT)?"WRPROT ":"", | 354 | (map->flags & MAP_WRPROT) ? "WRPROT " : "", |
| 349 | (map->flags&MAP_USE_WAIT)?"USE_WAIT ":"", | 355 | (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "", |
| 350 | (map->flags&MAP_PREFETCH)?"PREFETCH ":""); | 356 | (map->flags & MAP_PREFETCH) ? "PREFETCH " : ""); |
| 351 | 357 | ||
| 352 | if (map->map >= MAX_IO_WIN) { | 358 | if (map->map >= MAX_IO_WIN) { |
| 353 | printk(KERN_ERR "%s(): map (%d) out of range\n", __func__, | 359 | printk(KERN_ERR "%s(): map (%d) out of range\n", __func__, |
| @@ -384,8 +390,8 @@ soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *m | |||
| 384 | * | 390 | * |
| 385 | * Returns: 0 on success, -ERRNO on error | 391 | * Returns: 0 on success, -ERRNO on error |
| 386 | */ | 392 | */ |
| 387 | static int | 393 | static int soc_common_pcmcia_set_mem_map( |
| 388 | soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map) | 394 | struct pcmcia_socket *sock, struct pccard_mem_map *map) |
| 389 | { | 395 | { |
| 390 | struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); | 396 | struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); |
| 391 | struct resource *res; | 397 | struct resource *res; |
| @@ -394,14 +400,14 @@ soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map | |||
| 394 | debug(skt, 2, "map %u speed %u card_start %08x\n", | 400 | debug(skt, 2, "map %u speed %u card_start %08x\n", |
| 395 | map->map, map->speed, map->card_start); | 401 | map->map, map->speed, map->card_start); |
| 396 | debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n", | 402 | debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n", |
| 397 | (map->flags==0)?"<NONE>":"", | 403 | (map->flags == 0) ? "<NONE>" : "", |
| 398 | (map->flags&MAP_ACTIVE)?"ACTIVE ":"", | 404 | (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", |
| 399 | (map->flags&MAP_16BIT)?"16BIT ":"", | 405 | (map->flags & MAP_16BIT) ? "16BIT " : "", |
| 400 | (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"", | 406 | (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", |
| 401 | (map->flags&MAP_0WS)?"0WS ":"", | 407 | (map->flags & MAP_0WS) ? "0WS " : "", |
| 402 | (map->flags&MAP_WRPROT)?"WRPROT ":"", | 408 | (map->flags & MAP_WRPROT) ? "WRPROT " : "", |
| 403 | (map->flags&MAP_ATTRIB)?"ATTRIB ":"", | 409 | (map->flags & MAP_ATTRIB) ? "ATTRIB " : "", |
| 404 | (map->flags&MAP_USE_WAIT)?"USE_WAIT ":""); | 410 | (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : ""); |
| 405 | 411 | ||
| 406 | if (map->map >= MAX_WIN) | 412 | if (map->map >= MAX_WIN) |
| 407 | return -EINVAL; | 413 | return -EINVAL; |
| @@ -456,8 +462,8 @@ static struct bittbl conf_bits[] = { | |||
| 456 | { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" }, | 462 | { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" }, |
| 457 | }; | 463 | }; |
| 458 | 464 | ||
| 459 | static void | 465 | static void dump_bits(char **p, const char *prefix, |
| 460 | dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, int sz) | 466 | unsigned int val, struct bittbl *bits, int sz) |
| 461 | { | 467 | { |
| 462 | char *b = *p; | 468 | char *b = *p; |
| 463 | int i; | 469 | int i; |
| @@ -475,13 +481,14 @@ dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, i | |||
| 475 | * | 481 | * |
| 476 | * Returns: the number of characters added to the buffer | 482 | * Returns: the number of characters added to the buffer |
| 477 | */ | 483 | */ |
| 478 | static ssize_t show_status(struct device *dev, struct device_attribute *attr, char *buf) | 484 | static ssize_t show_status( |
| 485 | struct device *dev, struct device_attribute *attr, char *buf) | ||
| 479 | { | 486 | { |
| 480 | struct soc_pcmcia_socket *skt = | 487 | struct soc_pcmcia_socket *skt = |
| 481 | container_of(dev, struct soc_pcmcia_socket, socket.dev); | 488 | container_of(dev, struct soc_pcmcia_socket, socket.dev); |
| 482 | char *p = buf; | 489 | char *p = buf; |
| 483 | 490 | ||
| 484 | p+=sprintf(p, "slot : %d\n", skt->nr); | 491 | p += sprintf(p, "slot : %d\n", skt->nr); |
| 485 | 492 | ||
| 486 | dump_bits(&p, "status", skt->status, | 493 | dump_bits(&p, "status", skt->status, |
| 487 | status_bits, ARRAY_SIZE(status_bits)); | 494 | status_bits, ARRAY_SIZE(status_bits)); |
| @@ -490,12 +497,12 @@ static ssize_t show_status(struct device *dev, struct device_attribute *attr, ch | |||
| 490 | dump_bits(&p, "cs_flags", skt->cs_state.flags, | 497 | dump_bits(&p, "cs_flags", skt->cs_state.flags, |
| 491 | conf_bits, ARRAY_SIZE(conf_bits)); | 498 | conf_bits, ARRAY_SIZE(conf_bits)); |
| 492 | 499 | ||
| 493 | p+=sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc); | 500 | p += sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc); |
| 494 | p+=sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp); | 501 | p += sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp); |
| 495 | p+=sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq, | 502 | p += sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq, |
| 496 | skt->socket.pci_irq); | 503 | skt->socket.pci_irq); |
| 497 | if (skt->ops->show_timing) | 504 | if (skt->ops->show_timing) |
| 498 | p+=skt->ops->show_timing(skt, p); | 505 | p += skt->ops->show_timing(skt, p); |
| 499 | 506 | ||
| 500 | return p-buf; | 507 | return p-buf; |
| 501 | } | 508 | } |
| @@ -588,7 +595,7 @@ soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data) | |||
| 588 | 595 | ||
| 589 | mutex_lock(&soc_pcmcia_sockets_lock); | 596 | mutex_lock(&soc_pcmcia_sockets_lock); |
| 590 | list_for_each_entry(skt, &soc_pcmcia_sockets, node) | 597 | list_for_each_entry(skt, &soc_pcmcia_sockets, node) |
| 591 | if ( skt->ops->frequency_change ) | 598 | if (skt->ops->frequency_change) |
| 592 | ret += skt->ops->frequency_change(skt, val, freqs); | 599 | ret += skt->ops->frequency_change(skt, val, freqs); |
| 593 | mutex_unlock(&soc_pcmcia_sockets_lock); | 600 | mutex_unlock(&soc_pcmcia_sockets_lock); |
| 594 | 601 | ||
| @@ -614,7 +621,8 @@ fs_initcall(soc_pcmcia_cpufreq_register); | |||
| 614 | 621 | ||
| 615 | static void soc_pcmcia_cpufreq_unregister(void) | 622 | static void soc_pcmcia_cpufreq_unregister(void) |
| 616 | { | 623 | { |
| 617 | cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, CPUFREQ_TRANSITION_NOTIFIER); | 624 | cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, |
| 625 | CPUFREQ_TRANSITION_NOTIFIER); | ||
| 618 | } | 626 | } |
| 619 | module_exit(soc_pcmcia_cpufreq_unregister); | 627 | module_exit(soc_pcmcia_cpufreq_unregister); |
| 620 | 628 | ||
