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drivers/pcmcia/soc_common.c
19.9 KB
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/*====================================================================== Common support code for the PCMCIA control functionality of integrated SOCs like the SA-11x0 and PXA2xx microprocessors. The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The initial developer of the original code is John G. Dorsey <john+@cs.cmu.edu>. Portions created by John G. Dorsey are Copyright (C) 1999 John G. Dorsey. All Rights Reserved. Alternatively, the contents of this file may be used under the terms of the GNU Public License version 2 (the "GPL"), in which case the provisions of the GPL are applicable instead of the above. If you wish to allow the use of your version of this file only under the terms of the GPL and not to allow others to use your version of this file under the MPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL. If you do not delete the provisions above, a recipient may use your version of this file under either the MPL or the GPL. ======================================================================*/ |
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#include <linux/cpufreq.h> |
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#include <linux/init.h> |
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#include <linux/interrupt.h> #include <linux/io.h> #include <linux/irq.h> |
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#include <linux/kernel.h> |
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#include <linux/mm.h> |
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#include <linux/module.h> #include <linux/moduleparam.h> |
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#include <linux/mutex.h> |
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#include <linux/spinlock.h> |
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#include <linux/timer.h> |
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|
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#include <mach/hardware.h> |
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#include <asm/system.h> #include "soc_common.h" |
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#ifdef CONFIG_PCMCIA_DEBUG |
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static int pc_debug; module_param(pc_debug, int, 0644); void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func, int lvl, const char *fmt, ...) { |
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struct va_format vaf; |
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va_list args; if (pc_debug > lvl) { |
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va_start(args, fmt); |
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vaf.fmt = fmt; vaf.va = &args; printk(KERN_DEBUG "skt%u: %s: %pV", skt->nr, func, &vaf); |
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va_end(args); } } |
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EXPORT_SYMBOL(soc_pcmcia_debug); |
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#endif |
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#define to_soc_pcmcia_socket(x) \ container_of(x, struct soc_pcmcia_socket, socket) |
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static unsigned short calc_speed(unsigned short *spds, int num, unsigned short dflt) { unsigned short speed = 0; int i; for (i = 0; i < num; i++) if (speed < spds[i]) speed = spds[i]; if (speed == 0) speed = dflt; return speed; } |
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void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt, struct soc_pcmcia_timing *timing) |
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{ |
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timing->io = calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS); timing->mem = calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); timing->attr = calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS); |
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} EXPORT_SYMBOL(soc_common_pcmcia_get_timing); static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) { struct pcmcia_state state; unsigned int stat; memset(&state, 0, sizeof(struct pcmcia_state)); skt->ops->socket_state(skt, &state); stat = state.detect ? SS_DETECT : 0; stat |= state.ready ? SS_READY : 0; stat |= state.wrprot ? SS_WRPROT : 0; stat |= state.vs_3v ? SS_3VCARD : 0; stat |= state.vs_Xv ? SS_XVCARD : 0; /* The power status of individual sockets is not available * explicitly from the hardware, so we just remember the state * and regurgitate it upon request: */ stat |= skt->cs_state.Vcc ? SS_POWERON : 0; if (skt->cs_state.flags & SS_IOCARD) stat |= state.bvd1 ? SS_STSCHG : 0; else { if (state.bvd1 == 0) stat |= SS_BATDEAD; else if (state.bvd2 == 0) stat |= SS_BATWARN; } return stat; } /* * soc_common_pcmcia_config_skt * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ * * Convert PCMCIA socket state to our socket configure structure. */ |
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static int soc_common_pcmcia_config_skt( struct soc_pcmcia_socket *skt, socket_state_t *state) |
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{ int ret; ret = skt->ops->configure_socket(skt, state); if (ret == 0) { /* * This really needs a better solution. The IRQ * may or may not be claimed by the driver. */ if (skt->irq_state != 1 && state->io_irq) { skt->irq_state = 1; |
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irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_EDGE_FALLING); |
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} else if (skt->irq_state == 1 && state->io_irq == 0) { skt->irq_state = 0; |
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irq_set_irq_type(skt->socket.pci_irq, IRQ_TYPE_NONE); |
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} skt->cs_state = *state; } if (ret < 0) printk(KERN_ERR "soc_common_pcmcia: unable to configure " "socket %d ", skt->nr); return ret; } /* soc_common_pcmcia_sock_init() * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ * * (Re-)Initialise the socket, turning on status interrupts * and PCMCIA bus. This must wait for power to stabilise * so that the card status signals report correctly. * * Returns: 0 */ static int soc_common_pcmcia_sock_init(struct pcmcia_socket *sock) { struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); debug(skt, 2, "initializing socket "); |
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if (skt->ops->socket_init) skt->ops->socket_init(skt); |
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return 0; } /* * soc_common_pcmcia_suspend() * ^^^^^^^^^^^^^^^^^^^^^^^^^^^ * * Remove power on the socket, disable IRQs from the card. * Turn off status interrupts, and disable the PCMCIA bus. * * Returns: 0 */ static int soc_common_pcmcia_suspend(struct pcmcia_socket *sock) { struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); debug(skt, 2, "suspending socket "); |
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if (skt->ops->socket_suspend) skt->ops->socket_suspend(skt); |
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return 0; } static DEFINE_SPINLOCK(status_lock); static void soc_common_check_status(struct soc_pcmcia_socket *skt) { unsigned int events; debug(skt, 4, "entering PCMCIA monitoring thread "); do { unsigned int status; unsigned long flags; status = soc_common_pcmcia_skt_state(skt); spin_lock_irqsave(&status_lock, flags); events = (status ^ skt->status) & skt->cs_state.csc_mask; skt->status = status; spin_unlock_irqrestore(&status_lock, flags); debug(skt, 4, "events: %s%s%s%s%s%s ", events == 0 ? "<NONE>" : "", events & SS_DETECT ? "DETECT " : "", events & SS_READY ? "READY " : "", events & SS_BATDEAD ? "BATDEAD " : "", events & SS_BATWARN ? "BATWARN " : "", events & SS_STSCHG ? "STSCHG " : ""); if (events) pcmcia_parse_events(&skt->socket, events); } while (events); } /* Let's poll for events in addition to IRQs since IRQ only is unreliable... */ static void soc_common_pcmcia_poll_event(unsigned long dummy) { struct soc_pcmcia_socket *skt = (struct soc_pcmcia_socket *)dummy; debug(skt, 4, "polling for events "); mod_timer(&skt->poll_timer, jiffies + SOC_PCMCIA_POLL_PERIOD); soc_common_check_status(skt); } /* * Service routine for socket driver interrupts (requested by the * low-level PCMCIA init() operation via soc_common_pcmcia_thread()). * The actual interrupt-servicing work is performed by * soc_common_pcmcia_thread(), largely because the Card Services event- * handling code performs scheduling operations which cannot be * executed from within an interrupt context. */ |
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static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev) |
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{ struct soc_pcmcia_socket *skt = dev; debug(skt, 3, "servicing IRQ %d ", irq); soc_common_check_status(skt); return IRQ_HANDLED; } /* * Implements the get_status() operation for the in-kernel PCMCIA * service (formerly SS_GetStatus in Card Services). Essentially just * fills in bits in `status' according to internal driver state or * the value of the voltage detect chipselect register. * * As a debugging note, during card startup, the PCMCIA core issues * three set_socket() commands in a row the first with RESET deasserted, * the second with RESET asserted, and the last with RESET deasserted * again. Following the third set_socket(), a get_status() command will * be issued. The kernel is looking for the SS_READY flag (see * setup_socket(), reset_socket(), and unreset_socket() in cs.c). * * Returns: 0 */ static int soc_common_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status) { struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); skt->status = soc_common_pcmcia_skt_state(skt); *status = skt->status; return 0; } /* |
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* Implements the set_socket() operation for the in-kernel PCMCIA * service (formerly SS_SetSocket in Card Services). We more or * less punt all of this work and let the kernel handle the details * of power configuration, reset, &c. We also record the value of * `state' in order to regurgitate it to the PCMCIA core later. |
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*/ |
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static int soc_common_pcmcia_set_socket( struct pcmcia_socket *sock, socket_state_t *state) |
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{ struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); |
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debug(skt, 2, "mask: %s%s%s%s%s%s flags: %s%s%s%s%s%s Vcc %d Vpp %d irq %d ", (state->csc_mask == 0) ? "<NONE> " : "", (state->csc_mask & SS_DETECT) ? "DETECT " : "", (state->csc_mask & SS_READY) ? "READY " : "", (state->csc_mask & SS_BATDEAD) ? "BATDEAD " : "", (state->csc_mask & SS_BATWARN) ? "BATWARN " : "", (state->csc_mask & SS_STSCHG) ? "STSCHG " : "", (state->flags == 0) ? "<NONE> " : "", (state->flags & SS_PWR_AUTO) ? "PWR_AUTO " : "", (state->flags & SS_IOCARD) ? "IOCARD " : "", (state->flags & SS_RESET) ? "RESET " : "", (state->flags & SS_SPKR_ENA) ? "SPKR_ENA " : "", (state->flags & SS_OUTPUT_ENA) ? "OUTPUT_ENA " : "", |
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state->Vcc, state->Vpp, state->io_irq); return soc_common_pcmcia_config_skt(skt, state); } /* * Implements the set_io_map() operation for the in-kernel PCMCIA * service (formerly SS_SetIOMap in Card Services). We configure * the map speed as requested, but override the address ranges * supplied by Card Services. * * Returns: 0 on success, -1 on error */ |
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static int soc_common_pcmcia_set_io_map( struct pcmcia_socket *sock, struct pccard_io_map *map) |
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{ struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); unsigned short speed = map->speed; |
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debug(skt, 2, "map %u speed %u start 0x%08llx stop 0x%08llx ", map->map, map->speed, (unsigned long long)map->start, (unsigned long long)map->stop); |
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debug(skt, 2, "flags: %s%s%s%s%s%s%s%s ", |
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(map->flags == 0) ? "<NONE>" : "", (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", (map->flags & MAP_16BIT) ? "16BIT " : "", (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", (map->flags & MAP_0WS) ? "0WS " : "", (map->flags & MAP_WRPROT) ? "WRPROT " : "", (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : "", (map->flags & MAP_PREFETCH) ? "PREFETCH " : ""); |
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if (map->map >= MAX_IO_WIN) { |
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printk(KERN_ERR "%s(): map (%d) out of range ", __func__, |
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map->map); return -1; } if (map->flags & MAP_ACTIVE) { if (speed == 0) speed = SOC_PCMCIA_IO_ACCESS; } else { speed = 0; } skt->spd_io[map->map] = speed; skt->ops->set_timing(skt); if (map->stop == 1) map->stop = PAGE_SIZE-1; map->stop -= map->start; map->stop += skt->socket.io_offset; map->start = skt->socket.io_offset; return 0; } /* * Implements the set_mem_map() operation for the in-kernel PCMCIA * service (formerly SS_SetMemMap in Card Services). We configure * the map speed as requested, but override the address ranges * supplied by Card Services. * |
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* Returns: 0 on success, -ERRNO on error |
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*/ |
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static int soc_common_pcmcia_set_mem_map( struct pcmcia_socket *sock, struct pccard_mem_map *map) |
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{ struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock); struct resource *res; unsigned short speed = map->speed; debug(skt, 2, "map %u speed %u card_start %08x ", map->map, map->speed, map->card_start); debug(skt, 2, "flags: %s%s%s%s%s%s%s%s ", |
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(map->flags == 0) ? "<NONE>" : "", (map->flags & MAP_ACTIVE) ? "ACTIVE " : "", (map->flags & MAP_16BIT) ? "16BIT " : "", (map->flags & MAP_AUTOSZ) ? "AUTOSZ " : "", (map->flags & MAP_0WS) ? "0WS " : "", (map->flags & MAP_WRPROT) ? "WRPROT " : "", (map->flags & MAP_ATTRIB) ? "ATTRIB " : "", (map->flags & MAP_USE_WAIT) ? "USE_WAIT " : ""); |
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if (map->map >= MAX_WIN) return -EINVAL; if (map->flags & MAP_ACTIVE) { if (speed == 0) speed = 300; } else { speed = 0; } if (map->flags & MAP_ATTRIB) { res = &skt->res_attr; skt->spd_attr[map->map] = speed; skt->spd_mem[map->map] = 0; } else { res = &skt->res_mem; skt->spd_attr[map->map] = 0; skt->spd_mem[map->map] = speed; } skt->ops->set_timing(skt); map->static_start = res->start + map->card_start; return 0; } struct bittbl { unsigned int mask; const char *name; }; static struct bittbl status_bits[] = { { SS_WRPROT, "SS_WRPROT" }, { SS_BATDEAD, "SS_BATDEAD" }, { SS_BATWARN, "SS_BATWARN" }, { SS_READY, "SS_READY" }, { SS_DETECT, "SS_DETECT" }, { SS_POWERON, "SS_POWERON" }, { SS_STSCHG, "SS_STSCHG" }, { SS_3VCARD, "SS_3VCARD" }, { SS_XVCARD, "SS_XVCARD" }, }; static struct bittbl conf_bits[] = { { SS_PWR_AUTO, "SS_PWR_AUTO" }, { SS_IOCARD, "SS_IOCARD" }, { SS_RESET, "SS_RESET" }, { SS_DMA_MODE, "SS_DMA_MODE" }, { SS_SPKR_ENA, "SS_SPKR_ENA" }, { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" }, }; |
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static void dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, int sz) |
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{ char *b = *p; int i; b += sprintf(b, "%-9s:", prefix); for (i = 0; i < sz; i++) if (val & bits[i].mask) b += sprintf(b, " %s", bits[i].name); *b++ = ' '; *p = b; } /* * Implements the /sys/class/pcmcia_socket/??/status file. * * Returns: the number of characters added to the buffer */ |
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static ssize_t show_status( struct device *dev, struct device_attribute *attr, char *buf) |
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{ struct soc_pcmcia_socket *skt = |
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container_of(dev, struct soc_pcmcia_socket, socket.dev); |
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char *p = buf; |
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p += sprintf(p, "slot : %d ", skt->nr); |
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dump_bits(&p, "status", skt->status, status_bits, ARRAY_SIZE(status_bits)); dump_bits(&p, "csc_mask", skt->cs_state.csc_mask, status_bits, ARRAY_SIZE(status_bits)); dump_bits(&p, "cs_flags", skt->cs_state.flags, conf_bits, ARRAY_SIZE(conf_bits)); |
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p += sprintf(p, "Vcc : %d ", skt->cs_state.Vcc); p += sprintf(p, "Vpp : %d ", skt->cs_state.Vpp); p += sprintf(p, "IRQ : %d (%d) ", skt->cs_state.io_irq, |
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skt->socket.pci_irq); |
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if (skt->ops->show_timing) |
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p += skt->ops->show_timing(skt, p); |
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return p-buf; } |
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static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); |
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static struct pccard_operations soc_common_pcmcia_operations = { .init = soc_common_pcmcia_sock_init, .suspend = soc_common_pcmcia_suspend, .get_status = soc_common_pcmcia_get_status, |
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.set_socket = soc_common_pcmcia_set_socket, .set_io_map = soc_common_pcmcia_set_io_map, .set_mem_map = soc_common_pcmcia_set_mem_map, }; int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr) { int i, res = 0; for (i = 0; i < nr; i++) { if (irqs[i].sock != skt->nr) continue; res = request_irq(irqs[i].irq, soc_common_pcmcia_interrupt, |
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IRQF_DISABLED, irqs[i].str, skt); |
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if (res) break; |
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irq_set_irq_type(irqs[i].irq, IRQ_TYPE_NONE); |
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} if (res) { printk(KERN_ERR "PCMCIA: request for IRQ%d failed (%d) ", irqs[i].irq, res); while (i--) if (irqs[i].sock == skt->nr) free_irq(irqs[i].irq, skt); } return res; } EXPORT_SYMBOL(soc_pcmcia_request_irqs); void soc_pcmcia_free_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr) { int i; for (i = 0; i < nr; i++) if (irqs[i].sock == skt->nr) free_irq(irqs[i].irq, skt); } EXPORT_SYMBOL(soc_pcmcia_free_irqs); void soc_pcmcia_disable_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr) { int i; for (i = 0; i < nr; i++) if (irqs[i].sock == skt->nr) |
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irq_set_irq_type(irqs[i].irq, IRQ_TYPE_NONE); |
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} EXPORT_SYMBOL(soc_pcmcia_disable_irqs); void soc_pcmcia_enable_irqs(struct soc_pcmcia_socket *skt, struct pcmcia_irqs *irqs, int nr) { int i; for (i = 0; i < nr; i++) if (irqs[i].sock == skt->nr) { |
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irq_set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_RISING); irq_set_irq_type(irqs[i].irq, IRQ_TYPE_EDGE_BOTH); |
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} } EXPORT_SYMBOL(soc_pcmcia_enable_irqs); |
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static LIST_HEAD(soc_pcmcia_sockets); |
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static DEFINE_MUTEX(soc_pcmcia_sockets_lock); |
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600 601 602 603 604 605 606 |
#ifdef CONFIG_CPU_FREQ static int soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data) { struct soc_pcmcia_socket *skt; struct cpufreq_freqs *freqs = data; int ret = 0; |
23d077e28 drivers/pcmcia/so... |
607 |
mutex_lock(&soc_pcmcia_sockets_lock); |
1da177e4c Linux-2.6.12-rc2 |
608 |
list_for_each_entry(skt, &soc_pcmcia_sockets, node) |
17b38ebb6 ARM: 6457/1: pcmc... |
609 |
if (skt->ops->frequency_change) |
1da177e4c Linux-2.6.12-rc2 |
610 |
ret += skt->ops->frequency_change(skt, val, freqs); |
23d077e28 drivers/pcmcia/so... |
611 |
mutex_unlock(&soc_pcmcia_sockets_lock); |
1da177e4c Linux-2.6.12-rc2 |
612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 |
return ret; } static struct notifier_block soc_pcmcia_notifier_block = { .notifier_call = soc_pcmcia_notifier }; static int soc_pcmcia_cpufreq_register(void) { int ret; ret = cpufreq_register_notifier(&soc_pcmcia_notifier_block, CPUFREQ_TRANSITION_NOTIFIER); if (ret < 0) printk(KERN_ERR "Unable to register CPU frequency change " "notifier for PCMCIA (%d) ", ret); return ret; } |
0f767de6a PCMCIA: soc_commo... |
632 |
fs_initcall(soc_pcmcia_cpufreq_register); |
1da177e4c Linux-2.6.12-rc2 |
633 634 635 |
static void soc_pcmcia_cpufreq_unregister(void) { |
17b38ebb6 ARM: 6457/1: pcmc... |
636 637 |
cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, CPUFREQ_TRANSITION_NOTIFIER); |
1da177e4c Linux-2.6.12-rc2 |
638 |
} |
0f767de6a PCMCIA: soc_commo... |
639 |
module_exit(soc_pcmcia_cpufreq_unregister); |
1da177e4c Linux-2.6.12-rc2 |
640 |
|
1da177e4c Linux-2.6.12-rc2 |
641 |
#endif |
097e296d6 PCMCIA: soc_commo... |
642 |
void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt) |
1da177e4c Linux-2.6.12-rc2 |
643 |
{ |
23d077e28 drivers/pcmcia/so... |
644 |
mutex_lock(&soc_pcmcia_sockets_lock); |
097e296d6 PCMCIA: soc_commo... |
645 |
del_timer_sync(&skt->poll_timer); |
1da177e4c Linux-2.6.12-rc2 |
646 |
|
097e296d6 PCMCIA: soc_commo... |
647 |
pcmcia_unregister_socket(&skt->socket); |
1da177e4c Linux-2.6.12-rc2 |
648 |
|
097e296d6 PCMCIA: soc_commo... |
649 |
skt->ops->hw_shutdown(skt); |
1da177e4c Linux-2.6.12-rc2 |
650 |
|
097e296d6 PCMCIA: soc_commo... |
651 |
soc_common_pcmcia_config_skt(skt, &dead_socket); |
1da177e4c Linux-2.6.12-rc2 |
652 |
|
097e296d6 PCMCIA: soc_commo... |
653 654 |
list_del(&skt->node); mutex_unlock(&soc_pcmcia_sockets_lock); |
1da177e4c Linux-2.6.12-rc2 |
655 |
|
097e296d6 PCMCIA: soc_commo... |
656 657 658 659 660 661 662 663 |
iounmap(skt->virt_io); skt->virt_io = NULL; release_resource(&skt->res_attr); release_resource(&skt->res_mem); release_resource(&skt->res_io); release_resource(&skt->res_skt); } EXPORT_SYMBOL(soc_pcmcia_remove_one); |
1da177e4c Linux-2.6.12-rc2 |
664 |
|
097e296d6 PCMCIA: soc_commo... |
665 666 667 |
int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt) { int ret; |
1da177e4c Linux-2.6.12-rc2 |
668 |
|
097e296d6 PCMCIA: soc_commo... |
669 670 671 672 |
init_timer(&skt->poll_timer); skt->poll_timer.function = soc_common_pcmcia_poll_event; skt->poll_timer.data = (unsigned long)skt; skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD; |
1da177e4c Linux-2.6.12-rc2 |
673 |
|
097e296d6 PCMCIA: soc_commo... |
674 675 676 |
ret = request_resource(&iomem_resource, &skt->res_skt); if (ret) goto out_err_1; |
1da177e4c Linux-2.6.12-rc2 |
677 |
|
097e296d6 PCMCIA: soc_commo... |
678 679 680 |
ret = request_resource(&skt->res_skt, &skt->res_io); if (ret) goto out_err_2; |
1da177e4c Linux-2.6.12-rc2 |
681 |
|
097e296d6 PCMCIA: soc_commo... |
682 683 684 |
ret = request_resource(&skt->res_skt, &skt->res_mem); if (ret) goto out_err_3; |
1da177e4c Linux-2.6.12-rc2 |
685 |
|
097e296d6 PCMCIA: soc_commo... |
686 687 688 |
ret = request_resource(&skt->res_skt, &skt->res_attr); if (ret) goto out_err_4; |
1da177e4c Linux-2.6.12-rc2 |
689 |
|
097e296d6 PCMCIA: soc_commo... |
690 691 692 693 694 |
skt->virt_io = ioremap(skt->res_io.start, 0x10000); if (skt->virt_io == NULL) { ret = -ENOMEM; goto out_err_5; } |
1da177e4c Linux-2.6.12-rc2 |
695 |
|
097e296d6 PCMCIA: soc_commo... |
696 |
mutex_lock(&soc_pcmcia_sockets_lock); |
1da177e4c Linux-2.6.12-rc2 |
697 |
|
097e296d6 PCMCIA: soc_commo... |
698 |
list_add(&skt->node, &soc_pcmcia_sockets); |
1da177e4c Linux-2.6.12-rc2 |
699 |
|
097e296d6 PCMCIA: soc_commo... |
700 701 702 703 704 705 |
/* * We initialize default socket timing here, because * we are not guaranteed to see a SetIOMap operation at * runtime. */ skt->ops->set_timing(skt); |
1da177e4c Linux-2.6.12-rc2 |
706 |
|
097e296d6 PCMCIA: soc_commo... |
707 708 709 |
ret = skt->ops->hw_init(skt); if (ret) goto out_err_6; |
1da177e4c Linux-2.6.12-rc2 |
710 |
|
097e296d6 PCMCIA: soc_commo... |
711 712 713 714 715 |
skt->socket.ops = &soc_common_pcmcia_operations; skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD; skt->socket.resource_ops = &pccard_static_ops; skt->socket.irq_mask = 0; skt->socket.map_size = PAGE_SIZE; |
097e296d6 PCMCIA: soc_commo... |
716 |
skt->socket.io_offset = (unsigned long)skt->virt_io; |
1da177e4c Linux-2.6.12-rc2 |
717 |
|
097e296d6 PCMCIA: soc_commo... |
718 |
skt->status = soc_common_pcmcia_skt_state(skt); |
1da177e4c Linux-2.6.12-rc2 |
719 |
|
097e296d6 PCMCIA: soc_commo... |
720 721 722 723 724 725 726 727 728 729 730 731 732 |
ret = pcmcia_register_socket(&skt->socket); if (ret) goto out_err_7; add_timer(&skt->poll_timer); mutex_unlock(&soc_pcmcia_sockets_lock); ret = device_create_file(&skt->socket.dev, &dev_attr_status); if (ret) goto out_err_8; return ret; |
1da177e4c Linux-2.6.12-rc2 |
733 |
|
632480ea6 [ARM] 5245/1: Fix... |
734 |
out_err_8: |
097e296d6 PCMCIA: soc_commo... |
735 736 737 |
mutex_lock(&soc_pcmcia_sockets_lock); del_timer_sync(&skt->poll_timer); pcmcia_unregister_socket(&skt->socket); |
1da177e4c Linux-2.6.12-rc2 |
738 739 |
out_err_7: |
097e296d6 PCMCIA: soc_commo... |
740 |
skt->ops->hw_shutdown(skt); |
1da177e4c Linux-2.6.12-rc2 |
741 |
out_err_6: |
097e296d6 PCMCIA: soc_commo... |
742 743 744 |
list_del(&skt->node); mutex_unlock(&soc_pcmcia_sockets_lock); iounmap(skt->virt_io); |
1da177e4c Linux-2.6.12-rc2 |
745 |
out_err_5: |
097e296d6 PCMCIA: soc_commo... |
746 |
release_resource(&skt->res_attr); |
1da177e4c Linux-2.6.12-rc2 |
747 |
out_err_4: |
097e296d6 PCMCIA: soc_commo... |
748 |
release_resource(&skt->res_mem); |
1da177e4c Linux-2.6.12-rc2 |
749 |
out_err_3: |
097e296d6 PCMCIA: soc_commo... |
750 |
release_resource(&skt->res_io); |
1da177e4c Linux-2.6.12-rc2 |
751 |
out_err_2: |
097e296d6 PCMCIA: soc_commo... |
752 |
release_resource(&skt->res_skt); |
1da177e4c Linux-2.6.12-rc2 |
753 |
out_err_1: |
1da177e4c Linux-2.6.12-rc2 |
754 |
|
1da177e4c Linux-2.6.12-rc2 |
755 756 |
return ret; } |
097e296d6 PCMCIA: soc_commo... |
757 |
EXPORT_SYMBOL(soc_pcmcia_add_one); |
1da177e4c Linux-2.6.12-rc2 |
758 |
|
0f767de6a PCMCIA: soc_commo... |
759 760 761 |
MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>"); MODULE_DESCRIPTION("Linux PCMCIA Card Services: Common SoC support"); MODULE_LICENSE("Dual MPL/GPL"); |