diff options
Diffstat (limited to 'drivers/pcmcia')
35 files changed, 1609 insertions, 2250 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index d189e47..c80a7a6 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -49,26 +49,6 @@ config PCMCIA_LOAD_CIS If unsure, say Y. -config PCMCIA_IOCTL - bool "PCMCIA control ioctl (obsolete)" - depends on PCMCIA && ARM && !SMP && !PREEMPT - default y - help - If you say Y here, the deprecated ioctl interface to the PCMCIA - subsystem will be built. It is needed by the deprecated pcmcia-cs - tools (cardmgr, cardctl) to function properly. - - You should use the new pcmciautils package instead (see - <file:Documentation/Changes> for location and details). - - This config option will most likely be removed from kernel 2.6.35, - the associated code from kernel 2.6.36. - - As the PCMCIA ioctl is not locking safe, it depends on !SMP and - !PREEMPT. - - If unsure, say N. - config CARDBUS bool "32-bit CardBus support" depends on PCI @@ -177,11 +157,11 @@ config PCMCIA_M8XX config PCMCIA_AU1X00 tristate "Au1x00 pcmcia support" - depends on SOC_AU1X00 && PCMCIA + depends on MIPS_ALCHEMY && PCMCIA config PCMCIA_ALCHEMY_DEVBOARD tristate "Alchemy Db/Pb1xxx PCMCIA socket services" - depends on SOC_AU1X00 && PCMCIA + depends on MIPS_ALCHEMY && PCMCIA select 64BIT_PHYS_ADDR help Enable this driver of you want PCMCIA support on your Alchemy @@ -234,7 +214,8 @@ config PCMCIA_PXA2XX depends on ARM && ARCH_PXA && PCMCIA depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \ - || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2) + || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \ + || MACH_VPAC270 || MACH_BALLOON3) select PCMCIA_SOC_COMMON help Say Y here to include support for the PXA2xx PCMCIA controller @@ -317,7 +298,7 @@ config ELECTRA_CF PA Semi Electra eval board. config PCCARD_NONSTATIC - tristate + bool config PCCARD_IODYN bool diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 381b031..8d9386a 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -2,15 +2,17 @@ # Makefile for the kernel pcmcia subsystem (c/o David Hinds) # -pcmcia_core-y += cs.o rsrc_mgr.o socket_sysfs.o +pcmcia_core-y += cs.o socket_sysfs.o pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o obj-$(CONFIG_PCCARD) += pcmcia_core.o -pcmcia-y += ds.o pcmcia_resource.o cistpl.o -pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o +pcmcia-y += ds.o pcmcia_resource.o cistpl.o pcmcia_cis.o obj-$(CONFIG_PCMCIA) += pcmcia.o -obj-$(CONFIG_PCCARD_NONSTATIC) += rsrc_nonstatic.o +pcmcia_rsrc-y += rsrc_mgr.o +pcmcia_rsrc-$(CONFIG_PCCARD_NONSTATIC) += rsrc_nonstatic.o +pcmcia_rsrc-$(CONFIG_PCCARD_IODYN) += rsrc_iodyn.o +obj-$(CONFIG_PCCARD) += pcmcia_rsrc.o # socket drivers @@ -66,6 +68,8 @@ pxa2xx-obj-$(CONFIG_MACH_PALMTC) += pxa2xx_palmtc.o pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o +pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o +pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y) diff --git a/drivers/pcmcia/au1000_generic.h b/drivers/pcmcia/au1000_generic.h index a324d32..67530ce 100644 --- a/drivers/pcmcia/au1000_generic.h +++ b/drivers/pcmcia/au1000_generic.h @@ -23,7 +23,6 @@ /* include the world */ -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c index 5a979cb..807f2d7 100644 --- a/drivers/pcmcia/au1000_pb1x00.c +++ b/drivers/pcmcia/au1000_pb1x00.c @@ -31,11 +31,9 @@ #include <linux/proc_fs.h> #include <linux/types.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> -#include <pcmcia/bus_ops.h> #include <asm/io.h> #include <asm/irq.h> diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c index 9e84d03..eae9cbe 100644 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ b/drivers/pcmcia/bfin_cf_pcmcia.c @@ -113,7 +113,7 @@ static int bfin_cf_get_status(struct pcmcia_socket *s, u_int *sp) if (bfin_cf_present(cf->cd_pfx)) { *sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD; - s->irq.AssignedIRQ = 0; + s->pcmcia_irq = 0; s->pci_irq = cf->irq; } else diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c index e6ab2a4..9a58862 100644 --- a/drivers/pcmcia/cardbus.c +++ b/drivers/pcmcia/cardbus.c @@ -94,7 +94,6 @@ int __ref cb_alloc(struct pcmcia_socket *s) pci_enable_bridges(bus); pci_bus_add_devices(bus); - s->irq.AssignedIRQ = s->pci_irq; return 0; } diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 854959c..91414a0 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -27,7 +27,6 @@ #include <asm/byteorder.h> #include <asm/unaligned.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> #include <pcmcia/cisreg.h> @@ -54,6 +53,9 @@ static const u_int exponent[] = { /* Upper limit on reasonable # of tuples */ #define MAX_TUPLES 200 +/* Bits in IRQInfo1 field */ +#define IRQ_INFO2_VALID 0x10 + /* 16-bit CIS? */ static int cis_width; module_param(cis_width, int, 0444); @@ -129,6 +131,8 @@ static void __iomem *set_cis_map(struct pcmcia_socket *s, /** * pcmcia_read_cis_mem() - low-level function to read CIS memory + * + * must be called with ops_mutex held */ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, u_int len, void *ptr) @@ -138,7 +142,6 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len); - mutex_lock(&s->ops_mutex); if (attr & IS_INDIRECT) { /* Indirect accesses use a bunch of special registers at fixed locations in common memory */ @@ -153,7 +156,6 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, if (!sys) { dev_dbg(&s->dev, "could not map memory\n"); memset(ptr, 0xff, len); - mutex_unlock(&s->ops_mutex); return -1; } @@ -184,7 +186,6 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, if (!sys) { dev_dbg(&s->dev, "could not map memory\n"); memset(ptr, 0xff, len); - mutex_unlock(&s->ops_mutex); return -1; } end = sys + s->map_size; @@ -198,7 +199,6 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, addr = 0; } } - mutex_unlock(&s->ops_mutex); dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n", *(u_char *)(ptr+0), *(u_char *)(ptr+1), *(u_char *)(ptr+2), *(u_char *)(ptr+3)); @@ -209,9 +209,10 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, /** * pcmcia_write_cis_mem() - low-level function to write CIS memory * - * Probably only useful for writing one-byte registers. + * Probably only useful for writing one-byte registers. Must be called + * with ops_mutex held. */ -void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, +int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, u_int len, void *ptr) { void __iomem *sys, *end; @@ -220,7 +221,6 @@ void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, dev_dbg(&s->dev, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len); - mutex_lock(&s->ops_mutex); if (attr & IS_INDIRECT) { /* Indirect accesses use a bunch of special registers at fixed locations in common memory */ @@ -234,8 +234,7 @@ void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, ((cis_width) ? MAP_16BIT : 0)); if (!sys) { dev_dbg(&s->dev, "could not map memory\n"); - mutex_unlock(&s->ops_mutex); - return; /* FIXME: Error */ + return -EINVAL; } writeb(flags, sys+CISREG_ICTRL0); @@ -260,8 +259,7 @@ void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, sys = set_cis_map(s, card_offset, flags); if (!sys) { dev_dbg(&s->dev, "could not map memory\n"); - mutex_unlock(&s->ops_mutex); - return; /* FIXME: error */ + return -EINVAL; } end = sys + s->map_size; @@ -275,7 +273,7 @@ void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, addr = 0; } } - mutex_unlock(&s->ops_mutex); + return 0; } @@ -314,7 +312,6 @@ static int read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, return 0; } } - mutex_unlock(&s->ops_mutex); ret = pcmcia_read_cis_mem(s, attr, addr, len, ptr); @@ -326,11 +323,11 @@ static int read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, cis->len = len; cis->attr = attr; memcpy(cis->cache, ptr, len); - mutex_lock(&s->ops_mutex); list_add(&cis->node, &s->cis_cache); - mutex_unlock(&s->ops_mutex); } } + mutex_unlock(&s->ops_mutex); + return ret; } @@ -386,6 +383,7 @@ int verify_cis_cache(struct pcmcia_socket *s) "no memory for verifying CIS\n"); return -ENOMEM; } + mutex_lock(&s->ops_mutex); list_for_each_entry(cis, &s->cis_cache, node) { int len = cis->len; @@ -395,10 +393,12 @@ int verify_cis_cache(struct pcmcia_socket *s) ret = pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf); if (ret || memcmp(buf, cis->cache, len) != 0) { kfree(buf); + mutex_unlock(&s->ops_mutex); return -1; } } kfree(buf); + mutex_unlock(&s->ops_mutex); return 0; } @@ -1362,106 +1362,6 @@ EXPORT_SYMBOL(pcmcia_parse_tuple); /** - * pccard_read_tuple() - internal CIS tuple access - * @s: the struct pcmcia_socket where the card is inserted - * @function: the device function we loop for - * @code: which CIS code shall we look for? - * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) - * - * pccard_read_tuple() reads out one tuple and attempts to parse it - */ -int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, - cisdata_t code, void *parse) -{ - tuple_t tuple; - cisdata_t *buf; - int ret; - - buf = kmalloc(256, GFP_KERNEL); - if (buf == NULL) { - dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); - return -ENOMEM; - } - tuple.DesiredTuple = code; - tuple.Attributes = 0; - if (function == BIND_FN_ALL) - tuple.Attributes = TUPLE_RETURN_COMMON; - ret = pccard_get_first_tuple(s, function, &tuple); - if (ret != 0) - goto done; - tuple.TupleData = buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - ret = pccard_get_tuple_data(s, &tuple); - if (ret != 0) - goto done; - ret = pcmcia_parse_tuple(&tuple, parse); -done: - kfree(buf); - return ret; -} - - -/** - * pccard_loop_tuple() - loop over tuples in the CIS - * @s: the struct pcmcia_socket where the card is inserted - * @function: the device function we loop for - * @code: which CIS code shall we look for? - * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) - * @priv_data: private data to be passed to the loop_tuple function. - * @loop_tuple: function to call for each CIS entry of type @function. IT - * gets passed the raw tuple, the paresed tuple (if @parse is - * set) and @priv_data. - * - * pccard_loop_tuple() loops over all CIS entries of type @function, and - * calls the @loop_tuple function for each entry. If the call to @loop_tuple - * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. - */ -int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, - cisdata_t code, cisparse_t *parse, void *priv_data, - int (*loop_tuple) (tuple_t *tuple, - cisparse_t *parse, - void *priv_data)) -{ - tuple_t tuple; - cisdata_t *buf; - int ret; - - buf = kzalloc(256, GFP_KERNEL); - if (buf == NULL) { - dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); - return -ENOMEM; - } - - tuple.TupleData = buf; - tuple.TupleDataMax = 255; - tuple.TupleOffset = 0; - tuple.DesiredTuple = code; - tuple.Attributes = 0; - - ret = pccard_get_first_tuple(s, function, &tuple); - while (!ret) { - if (pccard_get_tuple_data(s, &tuple)) - goto next_entry; - - if (parse) - if (pcmcia_parse_tuple(&tuple, parse)) - goto next_entry; - - ret = loop_tuple(&tuple, parse, priv_data); - if (!ret) - break; - -next_entry: - ret = pccard_get_next_tuple(s, function, &tuple); - } - - kfree(buf); - return ret; -} - - -/** * pccard_validate_cis() - check whether card has a sensible CIS * @s: the struct pcmcia_socket we are to check * @info: returns the number of tuples in the (valid) CIS, or 0 @@ -1634,7 +1534,7 @@ static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, } -static ssize_t pccard_show_cis(struct kobject *kobj, +static ssize_t pccard_show_cis(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) { @@ -1665,7 +1565,7 @@ static ssize_t pccard_show_cis(struct kobject *kobj, } -static ssize_t pccard_store_cis(struct kobject *kobj, +static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) { diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index c338375..2ec8ac9 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -32,7 +32,6 @@ #include <asm/system.h> #include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> @@ -252,38 +251,6 @@ struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr) } EXPORT_SYMBOL(pcmcia_get_socket_by_nr); -/* - * The central event handler. Send_event() sends an event to the - * 16-bit subsystem, which then calls the relevant device drivers. - * Parse_events() interprets the event bits from - * a card status change report. Do_shutdown() handles the high - * priority stuff associated with a card removal. - */ - -/* NOTE: send_event needs to be called with skt->sem held. */ - -static int send_event(struct pcmcia_socket *s, event_t event, int priority) -{ - int ret; - - if ((s->state & SOCKET_CARDBUS) && (event != CS_EVENT_CARD_REMOVAL)) - return 0; - - dev_dbg(&s->dev, "send_event(event %d, pri %d, callback 0x%p)\n", - event, priority, s->callback); - - if (!s->callback) - return 0; - if (!try_module_get(s->callback->owner)) - return 0; - - ret = s->callback->event(s, event, priority); - - module_put(s->callback->owner); - - return ret; -} - static int socket_reset(struct pcmcia_socket *skt) { int status, i; @@ -326,7 +293,8 @@ static void socket_shutdown(struct pcmcia_socket *s) dev_dbg(&s->dev, "shutdown\n"); - send_event(s, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH); + if (s->callback) + s->callback->remove(s); mutex_lock(&s->ops_mutex); s->state &= SOCKET_INUSE | SOCKET_PRESENT; @@ -337,7 +305,6 @@ static void socket_shutdown(struct pcmcia_socket *s) s->socket = dead_socket; s->ops->init(s); s->ops->set_socket(s, &s->socket); - s->irq.AssignedIRQ = s->irq.Config = 0; s->lock_count = 0; kfree(s->fake_cis); s->fake_cis = NULL; @@ -478,7 +445,8 @@ static int socket_insert(struct pcmcia_socket *skt) dev_dbg(&skt->dev, "insert done\n"); mutex_unlock(&skt->ops_mutex); - send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW); + if (!(skt->state & SOCKET_CARDBUS) && (skt->callback)) + skt->callback->add(skt); } else { mutex_unlock(&skt->ops_mutex); socket_shutdown(skt); @@ -495,7 +463,6 @@ static int socket_suspend(struct pcmcia_socket *skt) mutex_lock(&skt->ops_mutex); skt->suspended_state = skt->state; - send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW); skt->socket = dead_socket; skt->ops->set_socket(skt, &skt->socket); if (skt->ops->suspend) @@ -556,8 +523,8 @@ static int socket_late_resume(struct pcmcia_socket *skt) return 0; } #endif - - send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW); + if (!(skt->state & SOCKET_CARDBUS) && (skt->callback)) + skt->callback->early_resume(skt); return 0; } @@ -655,16 +622,8 @@ static int pccardd(void *__skt) spin_unlock_irqrestore(&skt->thread_lock, flags); mutex_lock(&skt->skt_mutex); - if (events) { - if (events & SS_DETECT) - socket_detect_change(skt); - if (events & SS_BATDEAD) - send_event(skt, CS_EVENT_BATTERY_DEAD, CS_EVENT_PRI_LOW); - if (events & SS_BATWARN) - send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW); - if (events & SS_READY) - send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW); - } + if (events & SS_DETECT) + socket_detect_change(skt); if (sysfs_events) { if (sysfs_events & PCMCIA_UEVENT_EJECT) @@ -784,7 +743,7 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) s->callback = c; if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) - send_event(s, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW); + s->callback->add(s); } else s->callback = NULL; err: @@ -824,20 +783,13 @@ int pcmcia_reset_card(struct pcmcia_socket *skt) break; } - ret = send_event(skt, CS_EVENT_RESET_REQUEST, CS_EVENT_PRI_LOW); - if (ret == 0) { - send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW); - if (skt->callback) - skt->callback->suspend(skt); - mutex_lock(&skt->ops_mutex); - ret = socket_reset(skt); - mutex_unlock(&skt->ops_mutex); - if (ret == 0) { - send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW); - if (skt->callback) - skt->callback->resume(skt); - } - } + if (skt->callback) + skt->callback->suspend(skt); + mutex_lock(&skt->ops_mutex); + ret = socket_reset(skt); + mutex_unlock(&skt->ops_mutex); + if ((ret == 0) && (skt->callback)) + skt->callback->resume(skt); ret = 0; } while (0); diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index f95864c..da055dc 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -10,7 +10,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * (C) 1999 David A. Hinds - * (C) 2003 - 2008 Dominik Brodowski + * (C) 2003 - 2010 Dominik Brodowski * * * This file contains definitions _only_ needed by the PCMCIA core modules. @@ -26,6 +26,9 @@ /* Flags in client state */ #define CLIENT_WIN_REQ(i) (0x1<<(i)) +/* Flag to access all functions */ +#define BIND_FN_ALL 0xff + /* Each card function gets one of these guys */ typedef struct config_t { struct kref ref; @@ -35,7 +38,10 @@ typedef struct config_t { unsigned int ConfigBase; unsigned char Status, Pin, Copy, Option, ExtStatus; unsigned int CardValues; - io_req_t io; + + struct resource io[MAX_IO_WIN]; /* io ports */ + struct resource mem[MAX_WIN]; /* mem areas */ + struct { u_int Attributes; } irq; @@ -52,24 +58,15 @@ struct cis_cache_entry { struct pccard_resource_ops { int (*validate_mem) (struct pcmcia_socket *s); - int (*adjust_io_region) (struct resource *res, - unsigned long r_start, - unsigned long r_end, - struct pcmcia_socket *s); - struct resource* (*find_io) (unsigned long base, int num, - unsigned long align, - struct pcmcia_socket *s); + int (*find_io) (struct pcmcia_socket *s, + unsigned int attr, + unsigned int *base, + unsigned int num, + unsigned int align, + struct resource **parent); struct resource* (*find_mem) (unsigned long base, unsigned long num, unsigned long align, int low, struct pcmcia_socket *s); - int (*add_io) (struct pcmcia_socket *s, - unsigned int action, - unsigned long r_start, - unsigned long r_end); - int (*add_mem) (struct pcmcia_socket *s, - unsigned int action, - unsigned long r_start, - unsigned long r_end); int (*init) (struct pcmcia_socket *s); void (*exit) (struct pcmcia_socket *s); }; @@ -89,6 +86,14 @@ struct pccard_resource_ops { /* + * Stuff internal to module "pcmcia_rsrc": + */ +extern int static_init(struct pcmcia_socket *s); +extern struct resource *pcmcia_make_resource(unsigned long start, + unsigned long end, + int flags, const char *name); + +/* * Stuff internal to module "pcmcia_core": */ @@ -108,11 +113,12 @@ void cb_free(struct pcmcia_socket *s); struct pcmcia_callback{ struct module *owner; - int (*event) (struct pcmcia_socket *s, - event_t event, int priority); + int (*add) (struct pcmcia_socket *s); + int (*remove) (struct pcmcia_socket *s); void (*requery) (struct pcmcia_socket *s); int (*validate) (struct pcmcia_socket *s, unsigned int *i); int (*suspend) (struct pcmcia_socket *s); + int (*early_resume) (struct pcmcia_socket *s); int (*resume) (struct pcmcia_socket *s); }; @@ -140,6 +146,8 @@ void pcmcia_put_socket(struct pcmcia_socket *skt); /* ds.c */ extern struct bus_type pcmcia_bus_type; +struct pcmcia_device; + /* pcmcia_resource.c */ extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); extern int pcmcia_validate_mem(struct pcmcia_socket *s); @@ -149,14 +157,16 @@ extern struct resource *pcmcia_find_mem_region(u_long base, int low, struct pcmcia_socket *s); +void pcmcia_cleanup_irq(struct pcmcia_socket *s); +int pcmcia_setup_irq(struct pcmcia_device *p_dev); /* cistpl.c */ extern struct bin_attribute pccard_cis_attr; int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, u_int len, void *ptr); -void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, - u_int addr, u_int len, void *ptr); +int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, + u_int addr, u_int len, void *ptr); void release_cis_mem(struct pcmcia_socket *s); void destroy_cis_cache(struct pcmcia_socket *s); int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, @@ -180,34 +190,4 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); - -#ifdef CONFIG_PCMCIA_IOCTL -/* ds.c */ -extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev); -extern void pcmcia_put_dev(struct pcmcia_device *p_dev); - -struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, - unsigned int function); - -/* pcmcia_ioctl.c */ -extern void __init pcmcia_setup_ioctl(void); -extern void __exit pcmcia_cleanup_ioctl(void); -extern void handle_event(struct pcmcia_socket *s, event_t event); -extern int handle_request(struct pcmcia_socket *s, event_t event); - -#else /* CONFIG_PCMCIA_IOCTL */ - -static inline void __init pcmcia_setup_ioctl(void) { return; } -static inline void __exit pcmcia_cleanup_ioctl(void) { return; } -static inline void handle_event(struct pcmcia_socket *s, event_t event) -{ - return; -} -static inline int handle_request(struct pcmcia_socket *s, event_t event) -{ - return 0; -} - -#endif /* CONFIG_PCMCIA_IOCTL */ - #endif /* _LINUX_CS_INTERNAL_H */ diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c index 0f4cc3f..27575e63 100644 --- a/drivers/pcmcia/db1xxx_ss.c +++ b/drivers/pcmcia/db1xxx_ss.c @@ -29,7 +29,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <asm/mach-au1x00/au1000.h> diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 041eee4..55570d9 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -10,7 +10,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * (C) 1999 David A. Hinds - * (C) 2003 - 2006 Dominik Brodowski + * (C) 2003 - 2010 Dominik Brodowski */ #include <linux/kernel.h> @@ -26,7 +26,6 @@ #include <linux/dma-mapping.h> #include <linux/slab.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> @@ -213,7 +212,7 @@ EXPORT_SYMBOL(pcmcia_unregister_driver); /* pcmcia_device handling */ -struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev) +static struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev) { struct device *tmp_dev; tmp_dev = get_device(&p_dev->dev); @@ -222,7 +221,7 @@ struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev) return to_pcmcia_dev(tmp_dev); } -void pcmcia_put_dev(struct pcmcia_device *p_dev) +static void pcmcia_put_dev(struct pcmcia_device *p_dev) { if (p_dev) put_device(&p_dev->dev); @@ -294,7 +293,7 @@ static int pcmcia_device_probe(struct device *dev) } mutex_lock(&s->ops_mutex); - if ((s->pcmcia_state.has_pfc) && + if ((s->pcmcia_pfc) && (p_dev->socket->device_count == 1) && (p_dev->device_no == 0)) pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); mutex_unlock(&s->ops_mutex); @@ -359,7 +358,7 @@ static int pcmcia_device_remove(struct device *dev) * pseudo multi-function card, we need to unbind * all devices */ - if ((p_dev->socket->pcmcia_state.has_pfc) && + if ((p_dev->socket->pcmcia_pfc) && (p_dev->socket->device_count > 0) && (p_dev->device_no == 0)) pcmcia_card_remove(p_dev->socket, p_dev); @@ -371,8 +370,6 @@ static int pcmcia_device_remove(struct device *dev) if (p_drv->remove) p_drv->remove(p_dev); - p_dev->dev_node = NULL; - /* check for proper unloading */ if (p_dev->_irq || p_dev->_io || p_dev->_locked) dev_printk(KERN_INFO, dev, @@ -479,16 +476,8 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) } -/* device_add_lock is needed to avoid double registration by cardmgr and kernel. - * Serializes pcmcia_device_add; will most likely be removed in future. - * - * While it has the caveat that adding new PCMCIA devices inside(!) device_register() - * won't work, this doesn't matter much at the moment: the driver core doesn't - * support it either. - */ -static DEFINE_MUTEX(device_add_lock); - -struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) +static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, + unsigned int function) { struct pcmcia_device *p_dev, *tmp_dev; int i; @@ -497,8 +486,6 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu if (!s) return NULL; - mutex_lock(&device_add_lock); - pr_debug("adding device to %d, function %d\n", s->sock, function); p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL); @@ -538,13 +525,12 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu /* * p_dev->function_config must be the same for all card functions. - * Note that this is serialized by the device_add_lock, so that - * only one such struct will be created. + * Note that this is serialized by ops_mutex, so that only one + * such struct will be created. */ list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list) if (p_dev->func == tmp_dev->func) { p_dev->function_config = tmp_dev->function_config; - p_dev->io = tmp_dev->io; p_dev->irq = tmp_dev->irq; kref_get(&p_dev->function_config->ref); } @@ -552,28 +538,45 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu /* Add to the list in pcmcia_bus_socket */ list_add(&p_dev->socket_device_list, &s->devices_list); - mutex_unlock(&s->ops_mutex); + if (pcmcia_setup_irq(p_dev)) + dev_warn(&p_dev->dev, + "IRQ setup failed -- device might not work\n"); if (!p_dev->function_config) { + config_t *c; dev_dbg(&p_dev->dev, "creating config_t\n"); - p_dev->function_config = kzalloc(sizeof(struct config_t), - GFP_KERNEL); - if (!p_dev->function_config) + c = kzalloc(sizeof(struct config_t), GFP_KERNEL); + if (!c) { + mutex_unlock(&s->ops_mutex); goto err_unreg; - kref_init(&p_dev->function_config->ref); + } + p_dev->function_config = c; + kref_init(&c->ref); + for (i = 0; i < MAX_IO_WIN; i++) { + c->io[i].name = p_dev->devname; + c->io[i].flags = IORESOURCE_IO; + } + for (i = 0; i< MAX_WIN; i++) { + c->mem[i].name = p_dev->devname; + c->mem[i].flags = IORESOURCE_MEM; + } } + for (i = 0; i < MAX_IO_WIN; i++) + p_dev->resource[i] = &p_dev->function_config->io[i]; + for (; i < (MAX_IO_WIN + MAX_WIN); i++) + p_dev->resource[i] = &p_dev->function_config->mem[i-MAX_IO_WIN]; + + mutex_unlock(&s->ops_mutex); dev_printk(KERN_NOTICE, &p_dev->dev, - "pcmcia: registering new device %s\n", - p_dev->devname); + "pcmcia: registering new device %s (IRQ: %d)\n", + p_dev->devname, p_dev->irq); pcmcia_device_query(p_dev); if (device_register(&p_dev->dev)) goto err_unreg; - mutex_unlock(&device_add_lock); - return p_dev; err_unreg: @@ -591,7 +594,6 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu kfree(p_dev->devname); kfree(p_dev); err_put: - mutex_unlock(&device_add_lock); pcmcia_put_socket(s); return NULL; @@ -682,6 +684,7 @@ static void pcmcia_requery(struct pcmcia_socket *s) if (old_funcs != new_funcs) { /* we need to re-start */ pcmcia_card_remove(s, NULL); + s->functions = 0; pcmcia_card_add(s); } } @@ -690,7 +693,7 @@ static void pcmcia_requery(struct pcmcia_socket *s) * call pcmcia_device_add() -- which will fail if both * devices are already registered. */ mutex_lock(&s->ops_mutex); - has_pfc = s->pcmcia_state.has_pfc; + has_pfc = s->pcmcia_pfc; mutex_unlock(&s->ops_mutex); if (has_pfc) pcmcia_device_add(s, 0); @@ -822,7 +825,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) { dev_dbg(&dev->dev, "this is a pseudo-multi-function device\n"); mutex_lock(&dev->socket->ops_mutex); - dev->socket->pcmcia_state.has_pfc = 1; + dev->socket->pcmcia_pfc = 1; mutex_unlock(&dev->socket->ops_mutex); if (dev->device_no != did->device_no) return 0; @@ -836,7 +839,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, /* if this is a pseudo-multi-function device, * we need explicit matches */ - if (dev->socket->pcmcia_state.has_pfc) + if (dev->socket->pcmcia_pfc) return 0; if (dev->device_no) return 0; @@ -895,14 +898,6 @@ static int pcmcia_bus_match(struct device *dev, struct device_driver *drv) } mutex_unlock(&p_drv->dynids.lock); -#ifdef CONFIG_PCMCIA_IOCTL - /* matching by cardmgr */ - if (p_dev->cardmgr == p_drv) { - dev_dbg(dev, "cardmgr matched to %s\n", drv->name); - return 1; - } -#endif - while (did && did->match_flags) { dev_dbg(dev, "trying to match to %s\n", drv->name); if (pcmcia_devmatch(p_dev, did)) { @@ -1016,6 +1011,18 @@ pcmcia_device_stringattr(prod_id2, prod_id[1]); pcmcia_device_stringattr(prod_id3, prod_id[2]); pcmcia_device_stringattr(prod_id4, prod_id[3]); +static ssize_t pcmcia_show_resources(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + char *str = buf; + int i; + + for (i = 0; i < PCMCIA_NUM_RESOURCES; i++) + str += sprintf(str, "%pr\n", p_dev->resource[i]); + + return str - buf; +} static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1086,6 +1093,7 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, static struct device_attribute pcmcia_dev_attrs[] = { __ATTR(function, 0444, func_show, NULL), __ATTR(pm_state, 0644, pcmcia_show_pm_state, pcmcia_store_pm_state), + __ATTR(resources, 0444, pcmcia_show_resources, NULL), __ATTR_RO(func_id), __ATTR_RO(manf_id), __ATTR_RO(card_id), @@ -1225,85 +1233,57 @@ static int pcmcia_bus_suspend(struct pcmcia_socket *skt) return 0; } +static int pcmcia_bus_remove(struct pcmcia_socket *skt) +{ + atomic_set(&skt->present, 0); + pcmcia_card_remove(skt, NULL); -/*====================================================================== + mutex_lock(&skt->ops_mutex); + destroy_cis_cache(skt); + pcmcia_cleanup_irq(skt); + mutex_unlock(&skt->ops_mutex); - The card status event handler. + return 0; +} -======================================================================*/ +static int pcmcia_bus_add(struct pcmcia_socket *skt) +{ + atomic_set(&skt->present, 1); -/* Normally, the event is passed to individual drivers after - * informing userspace. Only for CS_EVENT_CARD_REMOVAL this - * is inversed to maintain historic compatibility. - */ + mutex_lock(&skt->ops_mutex); + skt->pcmcia_pfc = 0; + destroy_cis_cache(skt); /* to be on the safe side... */ + mutex_unlock(&skt->ops_mutex); -static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) -{ - struct pcmcia_socket *s = pcmcia_get_socket(skt); + pcmcia_card_add(skt); - if (!s) { - dev_printk(KERN_ERR, &skt->dev, - "PCMCIA obtaining reference to socket " \ - "failed, event 0x%x lost!\n", event); - return -ENODEV; + return 0; +} + +static int pcmcia_bus_early_resume(struct pcmcia_socket *skt) +{ + if (!verify_cis_cache(skt)) { + pcmcia_put_socket(skt); + return 0; } - dev_dbg(&skt->dev, "ds_event(0x%06x, %d, 0x%p)\n", - event, priority, skt); + dev_dbg(&skt->dev, "cis mismatch - different card\n"); - switch (event) { - case CS_EVENT_CARD_REMOVAL: - atomic_set(&skt->present, 0); - pcmcia_card_remove(skt, NULL); - handle_event(skt, event); - mutex_lock(&s->ops_mutex); - destroy_cis_cache(s); - mutex_unlock(&s->ops_mutex); - break; + /* first, remove the card */ + pcmcia_bus_remove(skt); - case CS_EVENT_CARD_INSERTION: - atomic_set(&skt->present, 1); - mutex_lock(&s->ops_mutex); - s->pcmcia_state.has_pfc = 0; - destroy_cis_cache(s); /* to be on the safe side... */ - mutex_unlock(&s->ops_mutex); - pcmcia_card_add(skt); - handle_event(skt, event); - break; - - case CS_EVENT_EJECTION_REQUEST: - break; - - case CS_EVENT_PM_RESUME: - if (verify_cis_cache(skt) != 0) { - dev_dbg(&skt->dev, "cis mismatch - different card\n"); - /* first, remove the card */ - ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH); - mutex_lock(&s->ops_mutex); - destroy_cis_cache(skt); - kfree(skt->fake_cis); - skt->fake_cis = NULL; - s->functions = 0; - mutex_unlock(&s->ops_mutex); - /* now, add the new card */ - ds_event(skt, CS_EVENT_CARD_INSERTION, - CS_EVENT_PRI_LOW); - } - handle_event(skt, event); - break; + mutex_lock(&skt->ops_mutex); + destroy_cis_cache(skt); + kfree(skt->fake_cis); + skt->fake_cis = NULL; + skt->functions = 0; + mutex_unlock(&skt->ops_mutex); - case CS_EVENT_PM_SUSPEND: - case CS_EVENT_RESET_PHYSICAL: - case CS_EVENT_CARD_RESET: - default: - handle_event(skt, event); - break; - } - - pcmcia_put_socket(s); + /* now, add the new card */ + pcmcia_bus_add(skt); + return 0; +} - return 0; -} /* ds_event */ /* * NOTE: This is racy. There's no guarantee the card will still be @@ -1332,10 +1312,12 @@ EXPORT_SYMBOL(pcmcia_dev_present); static struct pcmcia_callback pcmcia_bus_callback = { .owner = THIS_MODULE, - .event = ds_event, + .add = pcmcia_bus_add, + .remove = pcmcia_bus_remove, .requery = pcmcia_requery, .validate = pccard_validate_cis, .suspend = pcmcia_bus_suspend, + .early_resume = pcmcia_bus_early_resume, .resume = pcmcia_bus_resume, }; @@ -1359,12 +1341,10 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev, return ret; } -#ifdef CONFIG_PCMCIA_IOCTL - init_waitqueue_head(&socket->queue); -#endif INIT_LIST_HEAD(&socket->devices_list); - memset(&socket->pcmcia_state, 0, sizeof(u8)); + socket->pcmcia_pfc = 0; socket->device_count = 0; + atomic_set(&socket->present, 0); ret = pccard_register_pcmcia(socket, &pcmcia_bus_callback); if (ret) { @@ -1373,8 +1353,6 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev, return ret; } - atomic_set(&socket->present, 0); - return 0; } @@ -1439,8 +1417,6 @@ static int __init init_pcmcia_bus(void) return ret; } - pcmcia_setup_ioctl(); - return 0; } fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that @@ -1449,8 +1425,6 @@ fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that static void __exit exit_pcmcia_bus(void) { - pcmcia_cleanup_ioctl(); - class_interface_unregister(&pcmcia_bus_interface); bus_unregister(&pcmcia_bus_type); diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c index 2e59fe9..f94d828 100644 --- a/drivers/pcmcia/electra_cf.c +++ b/drivers/pcmcia/electra_cf.c @@ -185,7 +185,7 @@ static int __devinit electra_cf_probe(struct of_device *ofdev, const struct of_device_id *match) { struct device *device = &ofdev->dev; - struct device_node *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; struct electra_cf_socket *cf; struct resource mem, io; int status; @@ -357,8 +357,11 @@ static const struct of_device_id electra_cf_match[] = { MODULE_DEVICE_TABLE(of, electra_cf_match); static struct of_platform_driver electra_cf_driver = { - .name = (char *)driver_name, - .match_table = electra_cf_match, + .driver = { + .name = (char *)driver_name, + .owner = THIS_MODULE, + .of_match_table = electra_cf_match, + }, .probe = electra_cf_probe, .remove = electra_cf_remove, }; diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 3003bb3..05d0879 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -15,7 +15,6 @@ #include <linux/interrupt.h> #include <linux/device.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index 9e2a156..61746bd 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -50,7 +50,6 @@ #include <asm/io.h> #include <asm/system.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index 7e16ed8..24de499 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -26,7 +26,6 @@ #include <asm/io.h> #include <asm/system.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c index 6c5c3f9..8e47238 100644 --- a/drivers/pcmcia/m32r_pcc.c +++ b/drivers/pcmcia/m32r_pcc.c @@ -27,7 +27,6 @@ #include <asm/system.h> #include <asm/addrspace.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index 41cc954..f2f90a7 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -59,7 +59,6 @@ #include <asm/irq.h> #include <asm/fs_pd.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> @@ -1157,7 +1156,7 @@ static int __init m8xx_probe(struct of_device *ofdev, unsigned int i, m, hwirq; pcmconf8xx_t *pcmcia; int status; - struct device_node *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; pcmcia_info("%s\n", version); @@ -1298,8 +1297,11 @@ static const struct of_device_id m8xx_pcmcia_match[] = { MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match); static struct of_platform_driver m8xx_pcmcia_driver = { - .name = driver_name, - .match_table = m8xx_pcmcia_match, + .driver = { + .name = driver_name, + .owner = THIS_MODULE, + .of_match_table = m8xx_pcmcia_match, + }, .probe = m8xx_probe, .remove = m8xx_remove, }; diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index a7cfc79..0ad06a3 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -117,7 +117,7 @@ static int omap_cf_get_status(struct pcmcia_socket *s, u_int *sp) *sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD; cf = container_of(s, struct omap_cf_socket, socket); - s->irq.AssignedIRQ = 0; + s->pcmcia_irq = 0; s->pci_irq = cf->irq; } else *sp = 0; diff --git a/drivers/pcmcia/pcmcia_cis.c b/drivers/pcmcia/pcmcia_cis.c new file mode 100644 index 0000000..0ac54da --- /dev/null +++ b/drivers/pcmcia/pcmcia_cis.c @@ -0,0 +1,355 @@ +/* + * PCMCIA high-level CIS access functions + * + * The initial developer of the original code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + * + * Copyright (C) 1999 David A. Hinds + * Copyright (C) 2004-2009 Dominik Brodowski + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +#include <pcmcia/cisreg.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ss.h> +#include <pcmcia/cs.h> +#include <pcmcia/ds.h> +#include "cs_internal.h" + + +/** + * pccard_read_tuple() - internal CIS tuple access + * @s: the struct pcmcia_socket where the card is inserted + * @function: the device function we loop for + * @code: which CIS code shall we look for? + * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) + * + * pccard_read_tuple() reads out one tuple and attempts to parse it + */ +int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, + cisdata_t code, void *parse) +{ + tuple_t tuple; + cisdata_t *buf; + int ret; + + buf = kmalloc(256, GFP_KERNEL); + if (buf == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); + return -ENOMEM; + } + tuple.DesiredTuple = code; + tuple.Attributes = 0; + if (function == BIND_FN_ALL) + tuple.Attributes = TUPLE_RETURN_COMMON; + ret = pccard_get_first_tuple(s, function, &tuple); + if (ret != 0) + goto done; + tuple.TupleData = buf; + tuple.TupleOffset = 0; + tuple.TupleDataMax = 255; + ret = pccard_get_tuple_data(s, &tuple); + if (ret != 0) + goto done; + ret = pcmcia_parse_tuple(&tuple, parse); +done: + kfree(buf); + return ret; +} + + +/** + * pccard_loop_tuple() - loop over tuples in the CIS + * @s: the struct pcmcia_socket where the card is inserted + * @function: the device function we loop for + * @code: which CIS code shall we look for? + * @parse: buffer where the tuple shall be parsed (or NULL, if no parse) + * @priv_data: private data to be passed to the loop_tuple function. + * @loop_tuple: function to call for each CIS entry of type @function. IT + * gets passed the raw tuple, the paresed tuple (if @parse is + * set) and @priv_data. + * + * pccard_loop_tuple() loops over all CIS entries of type @function, and + * calls the @loop_tuple function for each entry. If the call to @loop_tuple + * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. + */ +int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, + cisdata_t code, cisparse_t *parse, void *priv_data, + int (*loop_tuple) (tuple_t *tuple, + cisparse_t *parse, + void *priv_data)) +{ + tuple_t tuple; + cisdata_t *buf; + int ret; + + buf = kzalloc(256, GFP_KERNEL); + if (buf == NULL) { + dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); + return -ENOMEM; + } + + tuple.TupleData = buf; + tuple.TupleDataMax = 255; + tuple.TupleOffset = 0; + tuple.DesiredTuple = code; + tuple.Attributes = 0; + + ret = pccard_get_first_tuple(s, function, &tuple); + while (!ret) { + if (pccard_get_tuple_data(s, &tuple)) + goto next_entry; + + if (parse) + if (pcmcia_parse_tuple(&tuple, parse)) + goto next_entry; + + ret = loop_tuple(&tuple, parse, priv_data); + if (!ret) + break; + +next_entry: + ret = pccard_get_next_tuple(s, function, &tuple); + } + + kfree(buf); + return ret; +} + +struct pcmcia_cfg_mem { + struct pcmcia_device *p_dev; + void *priv_data; + int (*conf_check) (struct pcmcia_device *p_dev, + cistpl_cftable_entry_t *cfg, + cistpl_cftable_entry_t *dflt, + unsigned int vcc, + void *priv_data); + cisparse_t parse; + cistpl_cftable_entry_t dflt; +}; + +/** + * pcmcia_do_loop_config() - internal helper for pcmcia_loop_config() + * + * pcmcia_do_loop_config() is the internal callback for the call from + * pcmcia_loop_config() to pccard_loop_tuple(). Data is transferred + * by a struct pcmcia_cfg_mem. + */ +static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) +{ + cistpl_cftable_entry_t *cfg = &parse->cftable_entry; + struct pcmcia_cfg_mem *cfg_mem = priv; + + /* default values */ + cfg_mem->p_dev->conf.ConfigIndex = cfg->index; + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + cfg_mem->dflt = *cfg; + + return cfg_mem->conf_check(cfg_mem->p_dev, cfg, &cfg_mem->dflt, + cfg_mem->p_dev->socket->socket.Vcc, + cfg_mem->priv_data); +} + +/** + * pcmcia_loop_config() - loop over configuration options + * @p_dev: the struct pcmcia_device which we need to loop for. + * @conf_check: function to call for each configuration option. + * It gets passed the struct pcmcia_device, the CIS data + * describing the configuration option, and private data + * being passed to pcmcia_loop_config() + * @priv_data: private data to be passed to the conf_check function. + * + * pcmcia_loop_config() loops over all configuration options, and calls + * the driver-specific conf_check() for each one, checking whether + * it is a valid one. Returns 0 on success or errorcode otherwise. + */ +int pcmcia_loop_config(struct pcmcia_device *p_dev, + int (*conf_check) (struct pcmcia_device *p_dev, + cistpl_cftable_entry_t *cfg, + cistpl_cftable_entry_t *dflt, + unsigned int vcc, + void *priv_data), + void *priv_data) +{ + struct pcmcia_cfg_mem *cfg_mem; + int ret; + + cfg_mem = kzalloc(sizeof(struct pcmcia_cfg_mem), GFP_KERNEL); + if (cfg_mem == NULL) + return -ENOMEM; + + cfg_mem->p_dev = p_dev; + cfg_mem->conf_check = conf_check; + cfg_mem->priv_data = priv_data; + + ret = pccard_loop_tuple(p_dev->socket, p_dev->func, + CISTPL_CFTABLE_ENTRY, &cfg_mem->parse, + cfg_mem, pcmcia_do_loop_config); + + kfree(cfg_mem); + return ret; +} +EXPORT_SYMBOL(pcmcia_loop_config); + + +struct pcmcia_loop_mem { + struct pcmcia_device *p_dev; + void *priv_data; + int (*loop_tuple) (struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data); +}; + +/** + * pcmcia_do_loop_tuple() - internal helper for pcmcia_loop_config() + * + * pcmcia_do_loop_tuple() is the internal callback for the call from + * pcmcia_loop_tuple() to pccard_loop_tuple(). Data is transferred + * by a struct pcmcia_cfg_mem. + */ +static int pcmcia_do_loop_tuple(tuple_t *tuple, cisparse_t *parse, void *priv) +{ + struct pcmcia_loop_mem *loop = priv; + + return loop->loop_tuple(loop->p_dev, tuple, loop->priv_data); +}; + +/** + * pcmcia_loop_tuple() - loop over tuples in the CIS + * @p_dev: the struct pcmcia_device which we need to loop for. + * @code: which CIS code shall we look for? + * @priv_data: private data to be passed to the loop_tuple function. + * @loop_tuple: function to call for each CIS entry of type @function. IT + * gets passed the raw tuple and @priv_data. + * + * pcmcia_loop_tuple() loops over all CIS entries of type @function, and + * calls the @loop_tuple function for each entry. If the call to @loop_tuple + * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. + */ +int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code, + int (*loop_tuple) (struct pcmcia_device *p_dev, + tuple_t *tuple, + void *priv_data), + void *priv_data) +{ + struct pcmcia_loop_mem loop = { + .p_dev = p_dev, + .loop_tuple = loop_tuple, + .priv_data = priv_data}; + + return pccard_loop_tuple(p_dev->socket, p_dev->func, code, NULL, + &loop, pcmcia_do_loop_tuple); +} +EXPORT_SYMBOL(pcmcia_loop_tuple); + + +struct pcmcia_loop_get { + size_t len; + cisdata_t **buf; +}; + +/** + * pcmcia_do_get_tuple() - internal helper for pcmcia_get_tuple() + * + * pcmcia_do_get_tuple() is the internal callback for the call from + * pcmcia_get_tuple() to pcmcia_loop_tuple(). As we're only interested in + * the first tuple, return 0 unconditionally. Create a memory buffer large + * enough to hold the content of the tuple, and fill it with the tuple data. + * The caller is responsible to free the buffer. + */ +static int pcmcia_do_get_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, + void *priv) +{ + struct pcmcia_loop_get *get = priv; + + *get->buf = kzalloc(tuple->TupleDataLen, GFP_KERNEL); + if (*get->buf) { + get->len = tuple->TupleDataLen; + memcpy(*get->buf, tuple->TupleData, tuple->TupleDataLen); + } else + dev_dbg(&p_dev->dev, "do_get_tuple: out of memory\n"); + return 0; +} + +/** + * pcmcia_get_tuple() - get first tuple from CIS + * @p_dev: the struct pcmcia_device which we need to loop for. + * @code: which CIS code shall we look for? + * @buf: pointer to store the buffer to. + * + * pcmcia_get_tuple() gets the content of the first CIS entry of type @code. + * It returns the buffer length (or zero). The caller is responsible to free + * the buffer passed in @buf. + */ +size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, + unsigned char **buf) +{ + struct pcmcia_loop_get get = { + .len = 0, + .buf = buf, + }; + + *get.buf = NULL; + pcmcia_loop_tuple(p_dev, code, pcmcia_do_get_tuple, &get); + + return get.len; +} +EXPORT_SYMBOL(pcmcia_get_tuple); + + +/** + * pcmcia_do_get_mac() - internal helper for pcmcia_get_mac_from_cis() + * + * pcmcia_do_get_mac() is the internal callback for the call from + * pcmcia_get_mac_from_cis() to pcmcia_loop_tuple(). We check whether the + * tuple contains a proper LAN_NODE_ID of length 6, and copy the data + * to struct net_device->dev_addr[i]. + */ +static int pcmcia_do_get_mac(struct pcmcia_device *p_dev, tuple_t *tuple, + void *priv) +{ + struct net_device *dev = priv; + int i; + + if (tuple->TupleData[0] != CISTPL_FUNCE_LAN_NODE_ID) + return -EINVAL; + if (tuple->TupleDataLen < ETH_ALEN + 2) { + dev_warn(&p_dev->dev, "Invalid CIS tuple length for " + "LAN_NODE_ID\n"); + return -EINVAL; + } + + if (tuple->TupleData[1] != ETH_ALEN) { + dev_warn(&p_dev->dev, "Invalid header for LAN_NODE_ID\n"); + return -EINVAL; + } + for (i = 0; i < 6; i++) + dev->dev_addr[i] = tuple->TupleData[i+2]; + return 0; +} + +/** + * pcmcia_get_mac_from_cis() - read out MAC address from CISTPL_FUNCE + * @p_dev: the struct pcmcia_device for which we want the address. + * @dev: a properly prepared struct net_device to store the info to. + * + * pcmcia_get_mac_from_cis() reads out the hardware MAC address from + * CISTPL_FUNCE and stores it into struct net_device *dev->dev_addr which + * must be set up properly by the driver (see examples!). + */ +int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev, struct net_device *dev) +{ + return pcmcia_loop_tuple(p_dev, CISTPL_FUNCE, pcmcia_do_get_mac, dev); +} +EXPORT_SYMBOL(pcmcia_get_mac_from_cis); + diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c deleted file mode 100644 index 7631faa..0000000 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ /dev/null @@ -1,1071 +0,0 @@ -/* - * pcmcia_ioctl.c -- ioctl interface for cardmgr and cardctl - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * The initial developer of the original code is David A. Hinds - * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. - * - * (C) 1999 David A. Hinds - * (C) 2003 - 2004 Dominik Brodowski - */ - -/* - * This file will go away soon. - */ - - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/major.h> -#include <linux/errno.h> -#include <linux/ioctl.h> -#include <linux/proc_fs.h> -#include <linux/poll.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/seq_file.h> -#include <linux/smp_lock.h> -#include <linux/workqueue.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> -#include <pcmcia/ds.h> -#include <pcmcia/ss.h> - -#include "cs_internal.h" - -static int major_dev = -1; - - -/* Device user information */ -#define MAX_EVENTS 32 -#define USER_MAGIC 0x7ea4 -#define CHECK_USER(u) \ - (((u) == NULL) || ((u)->user_magic != USER_MAGIC)) - -typedef struct user_info_t { - u_int user_magic; - int event_head, event_tail; - event_t event[MAX_EVENTS]; - struct user_info_t *next; - struct pcmcia_socket *socket; -} user_info_t; - - -static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s, - unsigned int function) -{ - struct pcmcia_device *p_dev = NULL; - - mutex_lock(&s->ops_mutex); - list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { - if (p_dev->func == function) { - mutex_unlock(&s->ops_mutex); - return pcmcia_get_dev(p_dev); - } - } - mutex_unlock(&s->ops_mutex); - return NULL; -} - -/* backwards-compatible accessing of driver --- by name! */ - -static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info) -{ - struct device_driver *drv; - struct pcmcia_driver *p_drv; - - drv = driver_find((char *) dev_info, &pcmcia_bus_type); - if (!drv) - return NULL; - - p_drv = container_of(drv, struct pcmcia_driver, drv); - - return p_drv; -} - - -#ifdef CONFIG_PROC_FS -static struct proc_dir_entry *proc_pccard; - -static int proc_read_drivers_callback(struct device_driver *driver, void *_m) -{ - struct seq_file *m = _m; - struct pcmcia_driver *p_drv = container_of(driver, - struct pcmcia_driver, drv); - - seq_printf(m, "%-24.24s 1 %d\n", p_drv->drv.name, -#ifdef CONFIG_MODULE_UNLOAD - (p_drv->owner) ? module_refcount(p_drv->owner) : 1 -#else - 1 -#endif - ); - return 0; -} - -static int pccard_drivers_proc_show(struct seq_file *m, void *v) -{ - return bus_for_each_drv(&pcmcia_bus_type, NULL, - m, proc_read_drivers_callback); -} - -static int pccard_drivers_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, pccard_drivers_proc_show, NULL); -} - -static const struct file_operations pccard_drivers_proc_fops = { - .owner = THIS_MODULE, - .open = pccard_drivers_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif - - -#ifdef CONFIG_PCMCIA_PROBE - -static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) -{ - int irq; - u32 mask; - - irq = adj->resource.irq.IRQ; - if ((irq < 0) || (irq > 15)) - return -EINVAL; - - if (adj->Action != REMOVE_MANAGED_RESOURCE) - return 0; - - mask = 1 << irq; - - if (!(s->irq_mask & mask)) - return 0; - - s->irq_mask &= ~mask; - - return 0; -} - -#else - -static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) -{ - return 0; -} - -#endif - -static int pcmcia_adjust_resource_info(adjust_t *adj) -{ - struct pcmcia_socket *s; - int ret = -ENOSYS; - - down_read(&pcmcia_socket_list_rwsem); - list_for_each_entry(s, &pcmcia_socket_list, socket_list) { - - if (adj->Resource == RES_IRQ) - ret = adjust_irq(s, adj); - - else if (s->resource_ops->add_io) { - unsigned long begin, end; - - /* you can't use the old interface if the new - * one was used before */ - mutex_lock(&s->ops_mutex); - if ((s->resource_setup_new) && - !(s->resource_setup_old)) { - mutex_unlock(&s->ops_mutex); - continue; - } else if (!(s->resource_setup_old)) - s->resource_setup_old = 1; - - switch (adj->Resource) { - case RES_MEMORY_RANGE: - begin = adj->resource.memory.Base; - end = adj->resource.memory.Base + adj->resource.memory.Size - 1; - if (s->resource_ops->add_mem) - ret = s->resource_ops->add_mem(s, adj->Action, begin, end); - case RES_IO_RANGE: - begin = adj->resource.io.BasePort; - end = adj->resource.io.BasePort + adj->resource.io.NumPorts - 1; - if (s->resource_ops->add_io) - ret = s->resource_ops->add_io(s, adj->Action, begin, end); - } - if (!ret) { - /* as there's no way we know this is the - * last call to adjust_resource_info, we - * always need to assume this is the latest - * one... */ - s->resource_setup_done = 1; - } - mutex_unlock(&s->ops_mutex); - } - } - up_read(&pcmcia_socket_list_rwsem); - - return ret; -} - - -/** pcmcia_get_window - */ -static int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *wh_out, - window_handle_t wh, win_req_t *req) -{ - pccard_mem_map *win; - window_handle_t w; - - wh--; - if (!s || !(s->state & SOCKET_PRESENT)) - return -ENODEV; - if (wh >= MAX_WIN) - return -EINVAL; - for (w = wh; w < MAX_WIN; w++) - if (s->state & SOCKET_WIN_REQ(w)) - break; - if (w == MAX_WIN) - return -EINVAL; - win = &s->win[w]; - req->Base = win->res->start; - req->Size = win->res->end - win->res->start + 1; - req->AccessSpeed = win->speed; - req->Attributes = 0; - if (win->flags & MAP_ATTRIB) - req->Attributes |= WIN_MEMORY_TYPE_AM; - if (win->flags & MAP_ACTIVE) - req->Attributes |= WIN_ENABLE; - if (win->flags & MAP_16BIT) - req->Attributes |= WIN_DATA_WIDTH_16; - if (win->flags & MAP_USE_WAIT) - req->Attributes |= WIN_USE_WAIT; - - *wh_out = w + 1; - return 0; -} /* pcmcia_get_window */ - - -/** pcmcia_get_mem_page - * - * Change the card address of an already open memory window. - */ -static int pcmcia_get_mem_page(struct pcmcia_socket *skt, window_handle_t wh, - memreq_t *req) -{ - wh--; - if (wh >= MAX_WIN) - return -EINVAL; - - req->Page = 0; - req->CardOffset = skt->win[wh].card_start; - return 0; -} /* pcmcia_get_mem_page */ - - -/** pccard_get_status - * - * Get the current socket state bits. We don't support the latched - * SocketState yet: I haven't seen any point for it. - */ - -static int pccard_get_status(struct pcmcia_socket *s, - struct pcmcia_device *p_dev, - cs_status_t *status) -{ - config_t *c; - int val; - - s->ops->get_status(s, &val); - status->CardState = status->SocketState = 0; - status->CardState |= (val & SS_DETECT) ? CS_EVENT_CARD_DETECT : 0; - status->CardState |= (val & SS_CARDBUS) ? CS_EVENT_CB_DETECT : 0; - status->CardState |= (val & SS_3VCARD) ? CS_EVENT_3VCARD : 0; - status->CardState |= (val & SS_XVCARD) ? CS_EVENT_XVCARD : 0; - if (s->state & SOCKET_SUSPEND) - status->CardState |= CS_EVENT_PM_SUSPEND; - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - - c = (p_dev) ? p_dev->function_config : NULL; - - if ((c != NULL) && (c->state & CONFIG_LOCKED) && - (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { - u_char reg; - if (c->CardValues & PRESENT_PIN_REPLACE) { - pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®); - status->CardState |= - (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0; - status->CardState |= - (reg & PRR_READY_STATUS) ? CS_EVENT_READY_CHANGE : 0; - status->CardState |= - (reg & PRR_BVD2_STATUS) ? CS_EVENT_BATTERY_LOW : 0; - status->CardState |= - (reg & PRR_BVD1_STATUS) ? CS_EVENT_BATTERY_DEAD : 0; - } else { - /* No PRR? Then assume we're always ready */ - status->CardState |= CS_EVENT_READY_CHANGE; - } - if (c->CardValues & PRESENT_EXT_STATUS) { - pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®); - status->CardState |= - (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0; - } - return 0; - } - status->CardState |= - (val & SS_WRPROT) ? CS_EVENT_WRITE_PROTECT : 0; - status->CardState |= - (val & SS_BATDEAD) ? CS_EVENT_BATTERY_DEAD : 0; - status->CardState |= - (val & SS_BATWARN) ? CS_EVENT_BATTERY_LOW : 0; - status->CardState |= - (val & SS_READY) ? CS_EVENT_READY_CHANGE : 0; - return 0; -} /* pccard_get_status */ - -static int pccard_get_configuration_info(struct pcmcia_socket *s, - struct pcmcia_device *p_dev, - config_info_t *config) -{ - config_t *c; - - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - - -#ifdef CONFIG_CARDBUS - if (s->state & SOCKET_CARDBUS) { - memset(config, 0, sizeof(config_info_t)); - config->Vcc = s->socket.Vcc; - config->Vpp1 = config->Vpp2 = s->socket.Vpp; - config->Option = s->cb_dev->subordinate->number; - if (s->state & SOCKET_CARDBUS_CONFIG) { - config->Attributes = CONF_VALID_CLIENT; - config->IntType = INT_CARDBUS; - config->AssignedIRQ = s->irq.AssignedIRQ; - if (config->AssignedIRQ) - config->Attributes |= CONF_ENABLE_IRQ; - if (s->io[0].res) { - config->BasePort1 = s->io[0].res->start; - config->NumPorts1 = s->io[0].res->end - - config->BasePort1 + 1; - } - } - return 0; - } -#endif - - if (p_dev) { - c = p_dev->function_config; - config->Function = p_dev->func; - } else { - c = NULL; - config->Function = 0; - } - - if ((c == NULL) || !(c->state & CONFIG_LOCKED)) { - config->Attributes = 0; - config->Vcc = s->socket.Vcc; - config->Vpp1 = config->Vpp2 = s->socket.Vpp; - return 0; - } - - config->Attributes = c->Attributes | CONF_VALID_CLIENT; - config->Vcc = s->socket.Vcc; - config->Vpp1 = config->Vpp2 = s->socket.Vpp; - config->IntType = c->IntType; - config->ConfigBase = c->ConfigBase; - config->Status = c->Status; - config->Pin = c->Pin; - config->Copy = c->Copy; - config->Option = c->Option; - config->ExtStatus = c->ExtStatus; - config->Present = config->CardValues = c->CardValues; - config->IRQAttributes = c->irq.Attributes; - config->AssignedIRQ = s->irq.AssignedIRQ; - config->BasePort1 = c->io.BasePort1; - config->NumPorts1 = c->io.NumPorts1; - config->Attributes1 = c->io.Attributes1; - config->BasePort2 = c->io.BasePort2; - config->NumPorts2 = c->io.NumPorts2; - config->Attributes2 = c->io.Attributes2; - config->IOAddrLines = c->io.IOAddrLines; - - return 0; -} /* pccard_get_configuration_info */ - - -/*====================================================================== - - These manage a ring buffer of events pending for one user process - -======================================================================*/ - - -static int queue_empty(user_info_t *user) -{ - return (user->event_head == user->event_tail); -} - -static event_t get_queued_event(user_info_t *user) -{ - user->event_tail = (user->event_tail+1) % MAX_EVENTS; - return user->event[user->event_tail]; -} - -static void queue_event(user_info_t *user, event_t event) -{ - user->event_head = (user->event_head+1) % MAX_EVENTS; - if (user->event_head == user->event_tail) - user->event_tail = (user->event_tail+1) % MAX_EVENTS; - user->event[user->event_head] = event; -} - -void handle_event(struct pcmcia_socket *s, event_t event) -{ - user_info_t *user; - for (user = s->user; user; user = user->next) - queue_event(user, event); - wake_up_interruptible(&s->queue); -} - - -/*====================================================================== - - bind_request() and bind_device() are merged by now. Register_client() - is called right at the end of bind_request(), during the driver's - ->attach() call. Individual descriptions: - - bind_request() connects a socket to a particular client driver. - It looks up the specified device ID in the list of registered - drivers, binds it to the socket, and tries to create an instance - of the device. unbind_request() deletes a driver instance. - - Bind_device() associates a device driver with a particular socket. - It is normally called by Driver Services after it has identified - a newly inserted card. An instance of that driver will then be - eligible to register as a client of this socket. - - Register_client() uses the dev_info_t handle to match the - caller with a socket. The driver must have already been bound - to a socket with bind_device() -- in fact, bind_device() - allocates the client structure that will be used. - -======================================================================*/ - -static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info) -{ - struct pcmcia_driver *p_drv; - struct pcmcia_device *p_dev; - int ret = 0; - - s = pcmcia_get_socket(s); - if (!s) - return -EINVAL; - - pr_debug("bind_request(%d, '%s')\n", s->sock, - (char *)bind_info->dev_info); - - p_drv = get_pcmcia_driver(&bind_info->dev_info); - if (!p_drv) { - ret = -EINVAL; - goto err_put; - } - - if (!try_module_get(p_drv->owner)) { - ret = -EINVAL; - goto err_put_driver; - } - - mutex_lock(&s->ops_mutex); - list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { - if (p_dev->func == bind_info->function) { - if ((p_dev->dev.driver == &p_drv->drv)) { - if (p_dev->cardmgr) { - /* if there's already a device - * registered, and it was registered - * by userspace before, we need to - * return the "instance". */ - mutex_unlock(&s->ops_mutex); - bind_info->instance = p_dev; - ret = -EBUSY; - goto err_put_module; - } else { - /* the correct driver managed to bind - * itself magically to the correct - * device. */ - mutex_unlock(&s->ops_mutex); - p_dev->cardmgr = p_drv; - ret = 0; - goto err_put_module; - } - } else if (!p_dev->dev.driver) { - /* there's already a device available where - * no device has been bound to yet. So we don't - * need to register a device! */ - mutex_unlock(&s->ops_mutex); - goto rescan; - } - } - } - mutex_unlock(&s->ops_mutex); - - p_dev = pcmcia_device_add(s, bind_info->function); - if (!p_dev) { - ret = -EIO; - goto err_put_module; - } - -rescan: - p_dev->cardmgr = p_drv; - - /* if a driver is already running, we can abort */ - if (p_dev->dev.driver) - goto err_put_module; - - /* - * Prevent this racing with a card insertion. - */ - mutex_lock(&s->skt_mutex); - ret = bus_rescan_devices(&pcmcia_bus_type); - mutex_unlock(&s->skt_mutex); - if (ret) - goto err_put_module; - - /* check whether the driver indeed matched. I don't care if this - * is racy or not, because it can only happen on cardmgr access - * paths... - */ - if (!(p_dev->dev.driver == &p_drv->drv)) - p_dev->cardmgr = NULL; - - err_put_module: - module_put(p_drv->owner); - err_put_driver: - put_driver(&p_drv->drv); - err_put: - pcmcia_put_socket(s); - - return ret; -} /* bind_request */ - -#ifdef CONFIG_CARDBUS - -static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s) -{ - if (!s || !(s->state & SOCKET_CARDBUS)) - return NULL; - - return s->cb_dev->subordinate; -} -#endif - -static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int first) -{ - dev_node_t *node; - struct pcmcia_device *p_dev; - struct pcmcia_driver *p_drv; - int ret = 0; - -#ifdef CONFIG_CARDBUS - /* - * Some unbelievably ugly code to associate the PCI cardbus - * device and its driver with the PCMCIA "bind" information. - */ - { - struct pci_bus *bus; - - bus = pcmcia_lookup_bus(s); - if (bus) { - struct list_head *list; - struct pci_dev *dev = NULL; - - list = bus->devices.next; - while (list != &bus->devices) { - struct pci_dev *pdev = pci_dev_b(list); - list = list->next; - - if (first) { - dev = pdev; - break; - } - - /* Try to handle "next" here some way? */ - } - if (dev && dev->driver) { - strlcpy(bind_info->name, dev->driver->name, DEV_NAME_LEN); - bind_info->major = 0; - bind_info->minor = 0; - bind_info->next = NULL; - return 0; - } - } - } -#endif - - mutex_lock(&s->ops_mutex); - list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { - if (p_dev->func == bind_info->function) { - p_dev = pcmcia_get_dev(p_dev); - if (!p_dev) - continue; - goto found; - } - } - mutex_unlock(&s->ops_mutex); - return -ENODEV; - - found: - mutex_unlock(&s->ops_mutex); - - p_drv = to_pcmcia_drv(p_dev->dev.driver); - if (p_drv && !p_dev->_locked) { - ret = -EAGAIN; - goto err_put; - } - - if (first) - node = p_dev->dev_node; - else - for (node = p_dev->dev_node; node; node = node->next) - if (node == bind_info->next) - break; - if (!node) { - ret = -ENODEV; - goto err_put; - } - - strlcpy(bind_info->name, node->dev_name, DEV_NAME_LEN); - bind_info->major = node->major; - bind_info->minor = node->minor; - bind_info->next = node->next; - - err_put: - pcmcia_put_dev(p_dev); - return ret; -} /* get_device_info */ - - -static int ds_open(struct inode *inode, struct file *file) -{ - socket_t i = iminor(inode); - struct pcmcia_socket *s; - user_info_t *user; - static int warning_printed; - int ret = 0; - - pr_debug("ds_open(socket %d)\n", i); - - lock_kernel(); - s = pcmcia_get_socket_by_nr(i); - if (!s) { - ret = -ENODEV; - goto out; - } - s = pcmcia_get_socket(s); - if (!s) { - ret = -ENODEV; - goto out; - } - - if ((file->f_flags & O_ACCMODE) != O_RDONLY) { - if (s->pcmcia_state.busy) { - pcmcia_put_socket(s); - ret = -EBUSY; - goto out; - } - else - s->pcmcia_state.busy = 1; - } - - user = kmalloc(sizeof(user_info_t), GFP_KERNEL); - if (!user) { - pcmcia_put_socket(s); - ret = -ENOMEM; - goto out; - } - user->event_tail = user->event_head = 0; - user->next = s->user; - user->user_magic = USER_MAGIC; - user->socket = s; - s->user = user; - file->private_data = user; - - if (!warning_printed) { - printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl " - "usage from process: %s.\n", current->comm); - printk(KERN_INFO "pcmcia: This interface will soon be removed from " - "the kernel; please expect breakage unless you upgrade " - "to new tools.\n"); - printk(KERN_INFO "pcmcia: see http://www.kernel.org/pub/linux/" - "utils/kernel/pcmcia/pcmcia.html for details.\n"); - warning_printed = 1; - } - - if (atomic_read(&s->present)) - queue_event(user, CS_EVENT_CARD_INSERTION); -out: - unlock_kernel(); - return ret; -} /* ds_open */ - -/*====================================================================*/ - -static int ds_release(struct inode *inode, struct file *file) -{ - struct pcmcia_socket *s; - user_info_t *user, **link; - - pr_debug("ds_release(socket %d)\n", iminor(inode)); - - user = file->private_data; - if (CHECK_USER(user)) - goto out; - - s = user->socket; - - /* Unlink user data structure */ - if ((file->f_flags & O_ACCMODE) != O_RDONLY) - s->pcmcia_state.busy = 0; - - file->private_data = NULL; - for (link = &s->user; *link; link = &(*link)->next) - if (*link == user) - break; - if (link == NULL) - goto out; - *link = user->next; - user->user_magic = 0; - kfree(user); - pcmcia_put_socket(s); -out: - return 0; -} /* ds_release */ - -/*====================================================================*/ - -static ssize_t ds_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - struct pcmcia_socket *s; - user_info_t *user; - int ret; - - pr_debug("ds_read(socket %d)\n", iminor(file->f_path.dentry->d_inode)); - - if (count < 4) - return -EINVAL; - - user = file->private_data; - if (CHECK_USER(user)) - return -EIO; - - s = user->socket; - ret = wait_event_interruptible(s->queue, !queue_empty(user)); - if (ret == 0) - ret = put_user(get_queued_event(user), (int __user *)buf) ? -EFAULT : 4; - - return ret; -} /* ds_read */ - -/*====================================================================*/ - -static ssize_t ds_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - pr_debug("ds_write(socket %d)\n", iminor(file->f_path.dentry->d_inode)); - - if (count != 4) - return -EINVAL; - if ((file->f_flags & O_ACCMODE) == O_RDONLY) - return -EBADF; - - return -EIO; -} /* ds_write */ - -/*====================================================================*/ - -/* No kernel lock - fine */ -static u_int ds_poll(struct file *file, poll_table *wait) -{ - struct pcmcia_socket *s; - user_info_t *user; - - pr_debug("ds_poll(socket %d)\n", iminor(file->f_path.dentry->d_inode)); - - user = file->private_data; - if (CHECK_USER(user)) - return POLLERR; - s = user->socket; - /* - * We don't check for a dead socket here since that - * will send cardmgr into an endless spin. - */ - poll_wait(file, &s->queue, wait); - if (!queue_empty(user)) - return POLLIN | POLLRDNORM; - return 0; -} /* ds_poll */ - -/*====================================================================*/ - -static int ds_ioctl(struct inode *inode, struct file *file, - u_int cmd, u_long arg) -{ - struct pcmcia_socket *s; - void __user *uarg = (char __user *)arg; - u_int size; - int ret, err; - ds_ioctl_arg_t *buf; - user_info_t *user; - - pr_debug("ds_ioctl(socket %d, %#x, %#lx)\n", iminor(inode), cmd, arg); - - user = file->private_data; - if (CHECK_USER(user)) - return -EIO; - - s = user->socket; - - size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT; - if (size > sizeof(ds_ioctl_arg_t)) - return -EINVAL; - - /* Permission check */ - if (!(cmd & IOC_OUT) && !capable(CAP_SYS_ADMIN)) - return -EPERM; - - if (cmd & IOC_IN) { - if (!access_ok(VERIFY_READ, uarg, size)) { - pr_debug("ds_ioctl(): verify_read = %d\n", -EFAULT); - return -EFAULT; - } - } - if (cmd & IOC_OUT) { - if (!access_ok(VERIFY_WRITE, uarg, size)) { - pr_debug("ds_ioctl(): verify_write = %d\n", -EFAULT); - return -EFAULT; - } - } - buf = kmalloc(sizeof(ds_ioctl_arg_t), GFP_KERNEL); - if (!buf) - return -ENOMEM; - - err = ret = 0; - - if (cmd & IOC_IN) { - if (__copy_from_user((char *)buf, uarg, size)) { - err = -EFAULT; - goto free_out; - } - } - - switch (cmd) { - case DS_ADJUST_RESOURCE_INFO: - ret = pcmcia_adjust_resource_info(&buf->adjust); - break; - case DS_GET_CONFIGURATION_INFO: - if (buf->config.Function && - (buf->config.Function >= s->functions)) - ret = -EINVAL; - else { - struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function); - ret = pccard_get_configuration_info(s, p_dev, &buf->config); - pcmcia_put_dev(p_dev); - } - break; - case DS_GET_FIRST_TUPLE: - mutex_lock(&s->skt_mutex); - pcmcia_validate_mem(s); - mutex_unlock(&s->skt_mutex); - ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple); - break; - case DS_GET_NEXT_TUPLE: - ret = pccard_get_next_tuple(s, BIND_FN_ALL, &buf->tuple); - break; - case DS_GET_TUPLE_DATA: - buf->tuple.TupleData = buf->tuple_parse.data; - buf->tuple.TupleDataMax = sizeof(buf->tuple_parse.data); - ret = pccard_get_tuple_data(s, &buf->tuple); - break; - case DS_PARSE_TUPLE: - buf->tuple.TupleData = buf->tuple_parse.data; - ret = pcmcia_parse_tuple(&buf->tuple, &buf->tuple_parse.parse); - break; - case DS_RESET_CARD: - ret = pcmcia_reset_card(s); - break; - case DS_GET_STATUS: - if (buf->status.Function && - (buf->status.Function >= s->functions)) - ret = -EINVAL; - else { - struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function); - ret = pccard_get_status(s, p_dev, &buf->status); - pcmcia_put_dev(p_dev); - } - break; - case DS_VALIDATE_CIS: - mutex_lock(&s->skt_mutex); - pcmcia_validate_mem(s); - mutex_unlock(&s->skt_mutex); - ret = pccard_validate_cis(s, &buf->cisinfo.Chains); - break; - case DS_SUSPEND_CARD: - pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); - break; - case DS_RESUME_CARD: - pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); - break; - case DS_EJECT_CARD: - pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); - break; - case DS_INSERT_CARD: - pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); - break; - case DS_ACCESS_CONFIGURATION_REGISTER: - if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto free_out; - } - - ret = -EINVAL; - - if (!(buf->conf_reg.Function && - (buf->conf_reg.Function >= s->functions))) { - struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function); - if (p_dev) { - ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg); - pcmcia_put_dev(p_dev); - } - } - break; - case DS_GET_FIRST_REGION: - case DS_GET_NEXT_REGION: - case DS_BIND_MTD: - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto free_out; - } else { - printk_once(KERN_WARNING - "2.6. kernels use pcmciamtd instead of memory_cs.c and do not require special\n"); - printk_once(KERN_WARNING "MTD handling any more.\n"); - } - err = -EINVAL; - goto free_out; - break; - case DS_GET_FIRST_WINDOW: - ret = pcmcia_get_window(s, &buf->win_info.handle, 1, - &buf->win_info.window); - break; - case DS_GET_NEXT_WINDOW: - ret = pcmcia_get_window(s, &buf->win_info.handle, - buf->win_info.handle + 1, &buf->win_info.window); - break; - case DS_GET_MEM_PAGE: - ret = pcmcia_get_mem_page(s, buf->win_info.handle, - &buf->win_info.map); - break; - case DS_REPLACE_CIS: - ret = pcmcia_replace_cis(s, buf->cisdump.Data, buf->cisdump.Length); - break; - case DS_BIND_REQUEST: - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto free_out; - } - err = bind_request(s, &buf->bind_info); - break; - case DS_GET_DEVICE_INFO: - err = get_device_info(s, &buf->bind_info, 1); - break; - case DS_GET_NEXT_DEVICE: - err = get_device_info(s, &buf->bind_info, 0); - break; - case DS_UNBIND_REQUEST: - err = 0; - break; - default: - err = -EINVAL; - } - - if ((err == 0) && (ret != 0)) { - pr_debug("ds_ioctl: ret = %d\n", ret); - switch (ret) { - case -ENODEV: - case -EINVAL: - case -EBUSY: - case -ENOSYS: - err = ret; - break; - case -ENOMEM: - err = -ENOSPC; break; - case -ENOSPC: - err = -ENODATA; break; - default: - err = -EIO; break; - } - } - - if (cmd & IOC_OUT) { - if (__copy_to_user(uarg, (char *)buf, size)) - err = -EFAULT; - } - -free_out: - kfree(buf); - return err; -} /* ds_ioctl */ - -/*====================================================================*/ - -static const struct file_operations ds_fops = { - .owner = THIS_MODULE, - .open = ds_open, - .release = ds_release, - .ioctl = ds_ioctl, - .read = ds_read, - .write = ds_write, - .poll = ds_poll, -}; - -void __init pcmcia_setup_ioctl(void) -{ - int i; - - /* Set up character device for user mode clients */ - i = register_chrdev(0, "pcmcia", &ds_fops); - if (i < 0) - printk(KERN_NOTICE "unable to find a free device # for " - "Driver Services (error=%d)\n", i); - else - major_dev = i; - -#ifdef CONFIG_PROC_FS - proc_pccard = proc_mkdir("bus/pccard", NULL); - if (proc_pccard) - proc_create("drivers", 0, proc_pccard, &pccard_drivers_proc_fops); -#endif -} - - -void __exit pcmcia_cleanup_ioctl(void) -{ -#ifdef CONFIG_PROC_FS - if (proc_pccard) { - remove_proc_entry("drivers", proc_pccard); - remove_proc_entry("bus/pccard", NULL); - } -#endif - if (major_dev != -1) - unregister_chrdev(major_dev, "pcmcia"); -} diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 7c3d03b..54aa1c2 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -23,7 +23,8 @@ #include <linux/netdevice.h> #include <linux/slab.h> -#include <pcmcia/cs_types.h> +#include <asm/irq.h> + #include <pcmcia/ss.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> @@ -38,29 +39,6 @@ static int io_speed; module_param(io_speed, int, 0444); -#ifdef CONFIG_PCMCIA_PROBE -#include <asm/irq.h> -/* mask of IRQs already reserved by other cards, we should avoid using them */ -static u8 pcmcia_used_irq[NR_IRQS]; -#endif - -static int pcmcia_adjust_io_region(struct resource *res, unsigned long start, - unsigned long end, struct pcmcia_socket *s) -{ - if (s->resource_ops->adjust_io_region) - return s->resource_ops->adjust_io_region(res, start, end, s); - return -ENOMEM; -} - -static struct resource *pcmcia_find_io_region(unsigned long base, int num, - unsigned long align, - struct pcmcia_socket *s) -{ - if (s->resource_ops->find_io) - return s->resource_ops->find_io(base, num, align, s); - return NULL; -} - int pcmcia_validate_mem(struct pcmcia_socket *s) { if (s->resource_ops->validate_mem) @@ -78,118 +56,106 @@ struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, } +static void release_io_space(struct pcmcia_socket *s, struct resource *res) +{ + resource_size_t num = resource_size(res); + int i; + + dev_dbg(&s->dev, "release_io_space for %pR\n", res); + + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + if ((s->io[i].res->start <= res->start) && + (s->io[i].res->end >= res->end)) { + s->io[i].InUse -= num; + if (res->parent) + release_resource(res); + res->start = res->end = 0; + res->flags = IORESOURCE_IO; + /* Free the window if no one else is using it */ + if (s->io[i].InUse == 0) { + release_resource(s->io[i].res); + kfree(s->io[i].res); + s->io[i].res = NULL; + } + } + } +} /* release_io_space */ + /** alloc_io_space * * Special stuff for managing IO windows, because they are scarce */ - -static int alloc_io_space(struct pcmcia_socket *s, u_int attr, - unsigned int *base, unsigned int num, u_int lines) +static int alloc_io_space(struct pcmcia_socket *s, struct resource *res, + unsigned int lines) { - int i; - unsigned int try, align; + unsigned int align; + unsigned int base = res->start; + unsigned int num = res->end; + int ret; + + res->flags |= IORESOURCE_IO; + + dev_dbg(&s->dev, "alloc_io_space request for %pR, %d lines\n", + res, lines); - align = (*base) ? (lines ? 1<<lines : 0) : 1; + align = base ? (lines ? 1<<lines : 0) : 1; if (align && (align < num)) { - if (*base) { - dev_dbg(&s->dev, "odd IO request: num %#x align %#x\n", - num, align); + if (base) { + dev_dbg(&s->dev, "odd IO request\n"); align = 0; } else while (align && (align < num)) align <<= 1; } - if (*base & ~(align-1)) { - dev_dbg(&s->dev, "odd IO request: base %#x align %#x\n", - *base, align); + if (base & ~(align-1)) { + dev_dbg(&s->dev, "odd IO request\n"); align = 0; } - if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) { - *base = s->io_offset | (*base & 0x0fff); - return 0; - } - /* Check for an already-allocated window that must conflict with - * what was asked for. It is a hack because it does not catch all - * potential conflicts, just the most obvious ones. - */ - for (i = 0; i < MAX_IO_WIN; i++) - if ((s->io[i].res) && *base && - ((s->io[i].res->start & (align-1)) == *base)) - return 1; - for (i = 0; i < MAX_IO_WIN; i++) { - if (!s->io[i].res) { - s->io[i].res = pcmcia_find_io_region(*base, num, align, s); - if (s->io[i].res) { - *base = s->io[i].res->start; - s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); - s->io[i].InUse = num; - break; - } else - return 1; - } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS)) - continue; - /* Try to extend top of window */ - try = s->io[i].res->end + 1; - if ((*base == 0) || (*base == try)) - if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start, - s->io[i].res->end + num, s) == 0) { - *base = try; - s->io[i].InUse += num; - break; - } - /* Try to extend bottom of window */ - try = s->io[i].res->start - num; - if ((*base == 0) || (*base == try)) - if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num, - s->io[i].res->end, s) == 0) { - *base = try; - s->io[i].InUse += num; - break; - } - } - return (i == MAX_IO_WIN); -} /* alloc_io_space */ + ret = s->resource_ops->find_io(s, res->flags, &base, num, align, + &res->parent); + if (ret) { + dev_dbg(&s->dev, "alloc_io_space request failed (%d)\n", ret); + return -EINVAL; + } -static void release_io_space(struct pcmcia_socket *s, unsigned int base, - unsigned int num) -{ - int i; + res->start = base; + res->end = res->start + num - 1; - for (i = 0; i < MAX_IO_WIN; i++) { - if (!s->io[i].res) - continue; - if ((s->io[i].res->start <= base) && - (s->io[i].res->end >= base+num-1)) { - s->io[i].InUse -= num; - /* Free the window if no one else is using it */ - if (s->io[i].InUse == 0) { - release_resource(s->io[i].res); - kfree(s->io[i].res); - s->io[i].res = NULL; - } + if (res->parent) { + ret = request_resource(res->parent, res); + if (ret) { + dev_warn(&s->dev, + "request_resource %pR failed: %d\n", res, ret); + res->parent = NULL; + release_io_space(s, res); } } -} /* release_io_space */ + dev_dbg(&s->dev, "alloc_io_space request result %d: %pR\n", ret, res); + return ret; +} /* alloc_io_space */ -/** pccard_access_configuration_register +/** + * pcmcia_access_config() - read or write card configuration registers * - * Access_configuration_register() reads and writes configuration - * registers in attribute memory. Memory window 0 is reserved for - * this and the tuple reading services. + * pcmcia_access_config() reads and writes configuration registers in + * attribute memory. Memory window 0 is reserved for this and the tuple + * reading services. Drivers must use pcmcia_read_config_byte() or + * pcmcia_write_config_byte(). */ - -int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, - conf_reg_t *reg) +static int pcmcia_access_config(struct pcmcia_device *p_dev, + off_t where, u8 *val, + int (*accessf) (struct pcmcia_socket *s, + int attr, unsigned int addr, + unsigned int len, void *ptr)) { struct pcmcia_socket *s; config_t *c; int addr; - u_char val; - - if (!p_dev || !p_dev->function_config) - return -EINVAL; + int ret = 0; s = p_dev->socket; @@ -202,44 +168,57 @@ int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, return -EACCES; } - addr = (c->ConfigBase + reg->Offset) >> 1; + addr = (c->ConfigBase + where) >> 1; + + ret = accessf(s, 1, addr, 1, val); + mutex_unlock(&s->ops_mutex); - switch (reg->Action) { - case CS_READ: - pcmcia_read_cis_mem(s, 1, addr, 1, &val); - reg->Value = val; - break; - case CS_WRITE: - val = reg->Value; - pcmcia_write_cis_mem(s, 1, addr, 1, &val); - break; - default: - dev_dbg(&s->dev, "Invalid conf register request\n"); - return -EINVAL; - break; - } - return 0; -} /* pcmcia_access_configuration_register */ -EXPORT_SYMBOL(pcmcia_access_configuration_register); + return ret; +} /* pcmcia_access_config */ + + +/** + * pcmcia_read_config_byte() - read a byte from a card configuration register + * + * pcmcia_read_config_byte() reads a byte from a configuration register in + * attribute memory. + */ +int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val) +{ + return pcmcia_access_config(p_dev, where, val, pcmcia_read_cis_mem); +} +EXPORT_SYMBOL(pcmcia_read_config_byte); + + +/** + * pcmcia_write_config_byte() - write a byte to a card configuration register + * + * pcmcia_write_config_byte() writes a byte to a configuration register in + * attribute memory. + */ +int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val) +{ + return pcmcia_access_config(p_dev, where, &val, pcmcia_write_cis_mem); +} +EXPORT_SYMBOL(pcmcia_write_config_byte); int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh, - memreq_t *req) + unsigned int offset) { struct pcmcia_socket *s = p_dev->socket; + struct resource *res = wh; + unsigned int w; int ret; - wh--; - if (wh >= MAX_WIN) - return -EINVAL; - if (req->Page != 0) { - dev_dbg(&s->dev, "failure: requested page is zero\n"); + w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1; + if (w >= MAX_WIN) return -EINVAL; - } + mutex_lock(&s->ops_mutex); - s->win[wh].card_start = req->CardOffset; - ret = s->ops->set_mem_map(s, &s->win[wh]); + s->win[w].card_start = offset; + ret = s->ops->set_mem_map(s, &s->win[w]); if (ret) dev_warn(&s->dev, "failed to set_mem_map\n"); mutex_unlock(&s->ops_mutex); @@ -275,19 +254,9 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, goto unlock; } - if (mod->Attributes & CONF_IRQ_CHANGE_VALID) { - if (mod->Attributes & CONF_ENABLE_IRQ) { - c->Attributes |= CONF_ENABLE_IRQ; - s->socket.io_irq = s->irq.AssignedIRQ; - } else { - c->Attributes &= ~CONF_ENABLE_IRQ; - s->socket.io_irq = 0; - } - s->ops->set_socket(s, &s->socket); - } - - if (mod->Attributes & CONF_VCC_CHANGE_VALID) { - dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n"); + if (mod->Attributes & (CONF_IRQ_CHANGE_VALID | CONF_VCC_CHANGE_VALID)) { + dev_dbg(&s->dev, + "changing Vcc or IRQ is not allowed at this time\n"); ret = -EINVAL; goto unlock; } @@ -389,98 +358,49 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) * don't bother checking the port ranges against the current socket * values. */ -static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) +static int pcmcia_release_io(struct pcmcia_device *p_dev) { struct pcmcia_socket *s = p_dev->socket; int ret = -EINVAL; config_t *c; mutex_lock(&s->ops_mutex); - c = p_dev->function_config; - if (!p_dev->_io) goto out; - p_dev->_io = 0; - - if ((c->io.BasePort1 != req->BasePort1) || - (c->io.NumPorts1 != req->NumPorts1) || - (c->io.BasePort2 != req->BasePort2) || - (c->io.NumPorts2 != req->NumPorts2)) - goto out; - - c->state &= ~CONFIG_IO_REQ; - - release_io_space(s, req->BasePort1, req->NumPorts1); - if (req->NumPorts2) - release_io_space(s, req->BasePort2, req->NumPorts2); - -out: - mutex_unlock(&s->ops_mutex); - - return ret; -} /* pcmcia_release_io */ - - -static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) -{ - struct pcmcia_socket *s = p_dev->socket; - config_t *c; - int ret = -EINVAL; - - mutex_lock(&s->ops_mutex); - c = p_dev->function_config; - if (!p_dev->_irq) - goto out; - - p_dev->_irq = 0; - - if (c->state & CONFIG_LOCKED) - goto out; - - if (c->irq.Attributes != req->Attributes) { - dev_dbg(&s->dev, "IRQ attributes must match assigned ones\n"); - goto out; - } - if (s->irq.AssignedIRQ != req->AssignedIRQ) { - dev_dbg(&s->dev, "IRQ must match assigned one\n"); - goto out; - } - if (--s->irq.Config == 0) { - c->state &= ~CONFIG_IRQ_REQ; - s->irq.AssignedIRQ = 0; - } + release_io_space(s, &c->io[0]); - if (req->Handler) - free_irq(req->AssignedIRQ, p_dev->priv); + if (c->io[1].end) + release_io_space(s, &c->io[1]); -#ifdef CONFIG_PCMCIA_PROBE - pcmcia_used_irq[req->AssignedIRQ]--; -#endif - ret = 0; + p_dev->_io = 0; + c->state &= ~CONFIG_IO_REQ; out: mutex_unlock(&s->ops_mutex); return ret; -} /* pcmcia_release_irq */ +} /* pcmcia_release_io */ -int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh) +int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res) { struct pcmcia_socket *s = p_dev->socket; pccard_mem_map *win; + unsigned int w; - wh--; - if (wh >= MAX_WIN) + dev_dbg(&p_dev->dev, "releasing window %pR\n", res); + + w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1; + if (w >= MAX_WIN) return -EINVAL; mutex_lock(&s->ops_mutex); - win = &s->win[wh]; + win = &s->win[w]; - if (!(p_dev->_win & CLIENT_WIN_REQ(wh))) { + if (!(p_dev->_win & CLIENT_WIN_REQ(w))) { dev_dbg(&s->dev, "not releasing unknown window\n"); mutex_unlock(&s->ops_mutex); return -EINVAL; @@ -489,15 +409,16 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh) /* Shut down memory window */ win->flags &= ~MAP_ACTIVE; s->ops->set_mem_map(s, win); - s->state &= ~SOCKET_WIN_REQ(wh); + s->state &= ~SOCKET_WIN_REQ(w); /* Release system memory */ if (win->res) { + release_resource(res); release_resource(win->res); kfree(win->res); win->res = NULL; } - p_dev->_win &= ~CLIENT_WIN_REQ(wh); + p_dev->_win &= ~CLIENT_WIN_REQ(w); mutex_unlock(&s->ops_mutex); return 0; @@ -551,12 +472,11 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (req->Attributes & CONF_ENABLE_SPKR) s->socket.flags |= SS_SPKR_ENA; if (req->Attributes & CONF_ENABLE_IRQ) - s->socket.io_irq = s->irq.AssignedIRQ; + s->socket.io_irq = s->pcmcia_irq; else s->socket.io_irq = 0; s->ops->set_socket(s, &s->socket); s->lock_count++; - mutex_unlock(&s->ops_mutex); /* Set up CIS configuration registers */ base = c->ConfigBase = req->ConfigBase; @@ -574,9 +494,9 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (req->Present & PRESENT_IOBASE_0) c->Option |= COR_ADDR_DECODE; } - if (c->state & CONFIG_IRQ_REQ) - if (!(c->irq.Attributes & IRQ_FORCED_PULSE)) - c->Option |= COR_LEVEL_REQ; + if ((req->Attributes & CONF_ENABLE_IRQ) && + !(req->Attributes & CONF_ENABLE_PULSE_IRQ)) + c->Option |= COR_LEVEL_REQ; pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &c->Option); mdelay(40); } @@ -593,19 +513,18 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, &c->ExtStatus); } if (req->Present & PRESENT_IOBASE_0) { - u_char b = c->io.BasePort1 & 0xff; + u8 b = c->io[0].start & 0xff; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_0)>>1, 1, &b); - b = (c->io.BasePort1 >> 8) & 0xff; + b = (c->io[0].start >> 8) & 0xff; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_1)>>1, 1, &b); } if (req->Present & PRESENT_IOSIZE) { - u_char b = c->io.NumPorts1 + c->io.NumPorts2 - 1; + u8 b = resource_size(&c->io[0]) + resource_size(&c->io[1]) - 1; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOSIZE)>>1, 1, &b); } /* Configure I/O windows */ if (c->state & CONFIG_IO_REQ) { - mutex_lock(&s->ops_mutex); iomap.speed = io_speed; for (i = 0; i < MAX_IO_WIN; i++) if (s->io[i].res) { @@ -624,38 +543,39 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, s->ops->set_io_map(s, &iomap); s->io[i].Config++; } - mutex_unlock(&s->ops_mutex); } c->state |= CONFIG_LOCKED; p_dev->_locked = 1; + mutex_unlock(&s->ops_mutex); return 0; } /* pcmcia_request_configuration */ EXPORT_SYMBOL(pcmcia_request_configuration); -/** pcmcia_request_io +/** + * pcmcia_request_io() - attempt to reserve port ranges for PCMCIA devices * - * Request_io() reserves ranges of port addresses for a socket. - * I have not implemented range sharing or alias addressing. + * pcmcia_request_io() attepts to reserve the IO port ranges specified in + * &struct pcmcia_device @p_dev->resource[0] and @p_dev->resource[1]. The + * "start" value is the requested start of the IO port resource; "end" + * reflects the number of ports requested. The number of IO lines requested + * is specified in &struct pcmcia_device @p_dev->io_lines. */ -int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) +int pcmcia_request_io(struct pcmcia_device *p_dev) { struct pcmcia_socket *s = p_dev->socket; - config_t *c; + config_t *c = p_dev->function_config; int ret = -EINVAL; mutex_lock(&s->ops_mutex); + dev_dbg(&s->dev, "pcmcia_request_io: %pR , %pR", &c->io[0], &c->io[1]); if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); + dev_dbg(&s->dev, "pcmcia_request_io: No card present\n"); goto out; } - if (!req) - goto out; - - c = p_dev->function_config; if (c->state & CONFIG_LOCKED) { dev_dbg(&s->dev, "Configuration is locked\n"); goto out; @@ -664,40 +584,25 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) dev_dbg(&s->dev, "IO already configured\n"); goto out; } - if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) { - dev_dbg(&s->dev, "bad attribute setting for IO region 1\n"); - goto out; - } - if ((req->NumPorts2 > 0) && - (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) { - dev_dbg(&s->dev, "bad attribute setting for IO region 2\n"); - goto out; - } - dev_dbg(&s->dev, "trying to allocate resource 1\n"); - ret = alloc_io_space(s, req->Attributes1, &req->BasePort1, - req->NumPorts1, req->IOAddrLines); - if (ret) { - dev_dbg(&s->dev, "allocation of resource 1 failed\n"); + ret = alloc_io_space(s, &c->io[0], p_dev->io_lines); + if (ret) goto out; - } - if (req->NumPorts2) { - dev_dbg(&s->dev, "trying to allocate resource 2\n"); - ret = alloc_io_space(s, req->Attributes2, &req->BasePort2, - req->NumPorts2, req->IOAddrLines); + if (c->io[1].end) { + ret = alloc_io_space(s, &c->io[1], p_dev->io_lines); if (ret) { - dev_dbg(&s->dev, "allocation of resource 2 failed\n"); - release_io_space(s, req->BasePort1, req->NumPorts1); + release_io_space(s, &c->io[0]); goto out; } - } + } else + c->io[1].start = 0; - c->io = *req; c->state |= CONFIG_IO_REQ; p_dev->_io = 1; - dev_dbg(&s->dev, "allocating resources succeeded: %d\n", ret); + dev_dbg(&s->dev, "pcmcia_request_io succeeded: %pR , %pR", + &c->io[0], &c->io[1]); out: mutex_unlock(&s->ops_mutex); @@ -706,137 +611,179 @@ out: EXPORT_SYMBOL(pcmcia_request_io); -/** pcmcia_request_irq +/** + * pcmcia_request_irq() - attempt to request a IRQ for a PCMCIA device * - * Request_irq() reserves an irq for this client. + * pcmcia_request_irq() is a wrapper around request_irq which will allow + * the PCMCIA core to clean up the registration in pcmcia_disable_device(). + * Drivers are free to use request_irq() directly, but then they need to + * call free_irq themselfves, too. Also, only IRQF_SHARED capable IRQ + * handlers are allowed. + */ +int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev, + irq_handler_t handler) +{ + int ret; + + if (!p_dev->irq) + return -EINVAL; + + ret = request_irq(p_dev->irq, handler, IRQF_SHARED, + p_dev->devname, p_dev->priv); + if (!ret) + p_dev->_irq = 1; + + return ret; +} +EXPORT_SYMBOL(pcmcia_request_irq); + + +/** + * pcmcia_request_exclusive_irq() - attempt to request an exclusive IRQ first * - * Also, since Linux only reserves irq's when they are actually - * hooked, we don't guarantee that an irq will still be available - * when the configuration is locked. Now that I think about it, - * there might be a way to fix this using a dummy handler. + * pcmcia_request_exclusive_irq() is a wrapper around request_irq which + * attempts first to request an exclusive IRQ. If it fails, it also accepts + * a shared IRQ, but prints out a warning. PCMCIA drivers should allow for + * IRQ sharing and either use request_irq directly (then they need to call + * free_irq themselves, too), or the pcmcia_request_irq() function. */ +int __must_check +__pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev, + irq_handler_t handler) +{ + int ret; + + if (!p_dev->irq) + return -EINVAL; + + ret = request_irq(p_dev->irq, handler, 0, p_dev->devname, p_dev->priv); + if (ret) { + ret = pcmcia_request_irq(p_dev, handler); + dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: " + "request for exclusive IRQ could not be fulfilled.\n"); + dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: the driver " + "needs updating to supported shared IRQ lines.\n"); + } + if (ret) + dev_printk(KERN_INFO, &p_dev->dev, "request_irq() failed\n"); + else + p_dev->_irq = 1; + + return ret; +} /* pcmcia_request_exclusive_irq */ +EXPORT_SYMBOL(__pcmcia_request_exclusive_irq); + #ifdef CONFIG_PCMCIA_PROBE + +/* mask of IRQs already reserved by other cards, we should avoid using them */ +static u8 pcmcia_used_irq[32]; + static irqreturn_t test_action(int cpl, void *dev_id) { return IRQ_NONE; } -#endif -int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) +/** + * pcmcia_setup_isa_irq() - determine whether an ISA IRQ can be used + * @p_dev - the associated PCMCIA device + * + * locking note: must be called with ops_mutex locked. + */ +static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type) { struct pcmcia_socket *s = p_dev->socket; - config_t *c; - int ret = -EINVAL, irq = 0; - int type; + unsigned int try, irq; + u32 mask = s->irq_mask; + int ret = -ENODEV; - mutex_lock(&s->ops_mutex); + for (try = 0; try < 64; try++) { + irq = try % 32; - if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); - goto out; - } - c = p_dev->function_config; - if (c->state & CONFIG_LOCKED) { - dev_dbg(&s->dev, "Configuration is locked\n"); - goto out; - } - if (c->state & CONFIG_IRQ_REQ) { - dev_dbg(&s->dev, "IRQ already configured\n"); - goto out; + if (irq > NR_IRQS) + continue; + + /* marked as available by driver, not blocked by userspace? */ + if (!((mask >> irq) & 1)) + continue; + + /* avoid an IRQ which is already used by another PCMCIA card */ + if ((try < 32) && pcmcia_used_irq[irq]) + continue; + + /* register the correct driver, if possible, to check whether + * registering a dummy handle works, i.e. if the IRQ isn't + * marked as used by the kernel resource management core */ + ret = request_irq(irq, test_action, type, p_dev->devname, + p_dev); + if (!ret) { + free_irq(irq, p_dev); + p_dev->irq = s->pcmcia_irq = irq; + pcmcia_used_irq[irq]++; + break; + } } - /* Decide what type of interrupt we are registering */ - type = 0; - if (s->functions > 1) /* All of this ought to be handled higher up */ - type = IRQF_SHARED; - else if (req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) - type = IRQF_SHARED; - else - printk(KERN_WARNING "pcmcia: Driver needs updating to support IRQ sharing.\n"); + return ret; +} + +void pcmcia_cleanup_irq(struct pcmcia_socket *s) +{ + pcmcia_used_irq[s->pcmcia_irq]--; + s->pcmcia_irq = 0; +} - /* If the interrupt is already assigned, it must be the same */ - if (s->irq.AssignedIRQ != 0) - irq = s->irq.AssignedIRQ; +#else /* CONFIG_PCMCIA_PROBE */ -#ifdef CONFIG_PCMCIA_PROBE - if (!irq) { - int try; - u32 mask = s->irq_mask; - void *data = p_dev; /* something unique to this device */ +static int pcmcia_setup_isa_irq(struct pcmcia_device *p_dev, int type) +{ + return -EINVAL; +} - for (try = 0; try < 64; try++) { - irq = try % 32; +void pcmcia_cleanup_irq(struct pcmcia_socket *s) +{ + s->pcmcia_irq = 0; + return; +} - /* marked as available by driver, and not blocked by userspace? */ - if (!((mask >> irq) & 1)) - continue; +#endif /* CONFIG_PCMCIA_PROBE */ - /* avoid an IRQ which is already used by a PCMCIA card */ - if ((try < 32) && pcmcia_used_irq[irq]) - continue; - /* register the correct driver, if possible, of check whether - * registering a dummy handle works, i.e. if the IRQ isn't - * marked as used by the kernel resource management core */ - ret = request_irq(irq, - (req->Handler) ? req->Handler : test_action, - type, - p_dev->devname, - (req->Handler) ? p_dev->priv : data); - if (!ret) { - if (!req->Handler) - free_irq(irq, data); - break; - } - } - } -#endif - /* only assign PCI irq if no IRQ already assigned */ - if (ret && !s->irq.AssignedIRQ) { - if (!s->pci_irq) { - dev_printk(KERN_INFO, &s->dev, "no IRQ found\n"); - goto out; - } - type = IRQF_SHARED; - irq = s->pci_irq; - } +/** + * pcmcia_setup_irq() - determine IRQ to be used for device + * @p_dev - the associated PCMCIA device + * + * locking note: must be called with ops_mutex locked. + */ +int pcmcia_setup_irq(struct pcmcia_device *p_dev) +{ + struct pcmcia_socket *s = p_dev->socket; - if (ret && req->Handler) { - ret = request_irq(irq, req->Handler, type, - p_dev->devname, p_dev->priv); - if (ret) { - dev_printk(KERN_INFO, &s->dev, - "request_irq() failed\n"); - goto out; - } - } + if (p_dev->irq) + return 0; - /* Make sure the fact the request type was overridden is passed back */ - if (type == IRQF_SHARED && !(req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)) { - req->Attributes |= IRQ_TYPE_DYNAMIC_SHARING; - dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: " - "request for exclusive IRQ could not be fulfilled.\n"); - dev_printk(KERN_WARNING, &p_dev->dev, "pcmcia: the driver " - "needs updating to supported shared IRQ lines.\n"); + /* already assigned? */ + if (s->pcmcia_irq) { + p_dev->irq = s->pcmcia_irq; + return 0; } - c->irq.Attributes = req->Attributes; - s->irq.AssignedIRQ = req->AssignedIRQ = irq; - s->irq.Config++; - c->state |= CONFIG_IRQ_REQ; - p_dev->_irq = 1; + /* prefer an exclusive ISA irq */ + if (!pcmcia_setup_isa_irq(p_dev, 0)) + return 0; -#ifdef CONFIG_PCMCIA_PROBE - pcmcia_used_irq[irq]++; -#endif + /* but accept a shared ISA irq */ + if (!pcmcia_setup_isa_irq(p_dev, IRQF_SHARED)) + return 0; - ret = 0; -out: - mutex_unlock(&s->ops_mutex); - return ret; -} /* pcmcia_request_irq */ -EXPORT_SYMBOL(pcmcia_request_irq); + /* but use the PCI irq otherwise */ + if (s->pci_irq) { + p_dev->irq = s->pcmcia_irq = s->pci_irq; + return 0; + } + + return -EINVAL; +} /** pcmcia_request_window @@ -849,23 +796,18 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha struct pcmcia_socket *s = p_dev->socket; pccard_mem_map *win; u_long align; + struct resource *res; int w; if (!(s->state & SOCKET_PRESENT)) { dev_dbg(&s->dev, "No card present\n"); return -ENODEV; } - if (req->Attributes & (WIN_PAGED | WIN_SHARED)) { - dev_dbg(&s->dev, "bad attribute setting for iomem region\n"); - return -EINVAL; - } /* Window size defaults to smallest available */ if (req->Size == 0) req->Size = s->map_size; - align = (((s->features & SS_CAP_MEM_ALIGN) || - (req->Attributes & WIN_STRICT_ALIGN)) ? - req->Size : s->map_size); + align = (s->features & SS_CAP_MEM_ALIGN) ? req->Size : s->map_size; if (req->Size & (s->map_size-1)) { dev_dbg(&s->dev, "invalid map size\n"); return -EINVAL; @@ -879,20 +821,21 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha align = 0; /* Allocate system memory window */ + mutex_lock(&s->ops_mutex); for (w = 0; w < MAX_WIN; w++) if (!(s->state & SOCKET_WIN_REQ(w))) break; if (w == MAX_WIN) { dev_dbg(&s->dev, "all windows are used already\n"); + mutex_unlock(&s->ops_mutex); return -EINVAL; } - mutex_lock(&s->ops_mutex); win = &s->win[w]; if (!(s->features & SS_CAP_STATIC_MAP)) { win->res = pcmcia_find_mem_region(req->Base, req->Size, align, - (req->Attributes & WIN_MAP_BELOW_1MB), s); + 0, s); if (!win->res) { dev_dbg(&s->dev, "allocating mem region failed\n"); mutex_unlock(&s->ops_mutex); @@ -903,16 +846,8 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha /* Configure the socket controller */ win->map = w+1; - win->flags = 0; + win->flags = req->Attributes; win->speed = req->AccessSpeed; - if (req->Attributes & WIN_MEMORY_TYPE) - win->flags |= MAP_ATTRIB; - if (req->Attributes & WIN_ENABLE) - win->flags |= MAP_ACTIVE; - if (req->Attributes & WIN_DATA_WIDTH_16) - win->flags |= MAP_16BIT; - if (req->Attributes & WIN_USE_WAIT) - win->flags |= MAP_USE_WAIT; win->card_start = 0; if (s->ops->set_mem_map(s, win) != 0) { @@ -928,8 +863,21 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha else req->Base = win->res->start; + /* convert to new-style resources */ + res = p_dev->resource[w + MAX_IO_WIN]; + res->start = req->Base; + res->end = req->Base + req->Size - 1; + res->flags &= ~IORESOURCE_BITS; + res->flags |= (req->Attributes & WIN_FLAGS_MAP) | (win->map << 2); + res->flags |= IORESOURCE_MEM; + res->parent = win->res; + if (win->res) + request_resource(&iomem_resource, res); + + dev_dbg(&s->dev, "request_window results in %pR\n", res); + mutex_unlock(&s->ops_mutex); - *wh = w + 1; + *wh = res; return 0; } /* pcmcia_request_window */ @@ -937,239 +885,18 @@ EXPORT_SYMBOL(pcmcia_request_window); void pcmcia_disable_device(struct pcmcia_device *p_dev) { - pcmcia_release_configuration(p_dev); - pcmcia_release_io(p_dev, &p_dev->io); - pcmcia_release_irq(p_dev, &p_dev->irq); - if (p_dev->win) - pcmcia_release_window(p_dev, p_dev->win); -} -EXPORT_SYMBOL(pcmcia_disable_device); - - -struct pcmcia_cfg_mem { - struct pcmcia_device *p_dev; - void *priv_data; - int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, - void *priv_data); - cisparse_t parse; - cistpl_cftable_entry_t dflt; -}; - -/** - * pcmcia_do_loop_config() - internal helper for pcmcia_loop_config() - * - * pcmcia_do_loop_config() is the internal callback for the call from - * pcmcia_loop_config() to pccard_loop_tuple(). Data is transferred - * by a struct pcmcia_cfg_mem. - */ -static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) -{ - cistpl_cftable_entry_t *cfg = &parse->cftable_entry; - struct pcmcia_cfg_mem *cfg_mem = priv; - - /* default values */ - cfg_mem->p_dev->conf.ConfigIndex = cfg->index; - if (cfg->flags & CISTPL_CFTABLE_DEFAULT) - cfg_mem->dflt = *cfg; - - return cfg_mem->conf_check(cfg_mem->p_dev, cfg, &cfg_mem->dflt, - cfg_mem->p_dev->socket->socket.Vcc, - cfg_mem->priv_data); -} - -/** - * pcmcia_loop_config() - loop over configuration options - * @p_dev: the struct pcmcia_device which we need to loop for. - * @conf_check: function to call for each configuration option. - * It gets passed the struct pcmcia_device, the CIS data - * describing the configuration option, and private data - * being passed to pcmcia_loop_config() - * @priv_data: private data to be passed to the conf_check function. - * - * pcmcia_loop_config() loops over all configuration options, and calls - * the driver-specific conf_check() for each one, checking whether - * it is a valid one. Returns 0 on success or errorcode otherwise. - */ -int pcmcia_loop_config(struct pcmcia_device *p_dev, - int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, - void *priv_data), - void *priv_data) -{ - struct pcmcia_cfg_mem *cfg_mem; - int ret; - - cfg_mem = kzalloc(sizeof(struct pcmcia_cfg_mem), GFP_KERNEL); - if (cfg_mem == NULL) - return -ENOMEM; - - cfg_mem->p_dev = p_dev; - cfg_mem->conf_check = conf_check; - cfg_mem->priv_data = priv_data; - - ret = pccard_loop_tuple(p_dev->socket, p_dev->func, - CISTPL_CFTABLE_ENTRY, &cfg_mem->parse, - cfg_mem, pcmcia_do_loop_config); - - kfree(cfg_mem); - return ret; -} -EXPORT_SYMBOL(pcmcia_loop_config); - - -struct pcmcia_loop_mem { - struct pcmcia_device *p_dev; - void *priv_data; - int (*loop_tuple) (struct pcmcia_device *p_dev, - tuple_t *tuple, - void *priv_data); -}; - -/** - * pcmcia_do_loop_tuple() - internal helper for pcmcia_loop_config() - * - * pcmcia_do_loop_tuple() is the internal callback for the call from - * pcmcia_loop_tuple() to pccard_loop_tuple(). Data is transferred - * by a struct pcmcia_cfg_mem. - */ -static int pcmcia_do_loop_tuple(tuple_t *tuple, cisparse_t *parse, void *priv) -{ - struct pcmcia_loop_mem *loop = priv; - - return loop->loop_tuple(loop->p_dev, tuple, loop->priv_data); -}; - -/** - * pcmcia_loop_tuple() - loop over tuples in the CIS - * @p_dev: the struct pcmcia_device which we need to loop for. - * @code: which CIS code shall we look for? - * @priv_data: private data to be passed to the loop_tuple function. - * @loop_tuple: function to call for each CIS entry of type @function. IT - * gets passed the raw tuple and @priv_data. - * - * pcmcia_loop_tuple() loops over all CIS entries of type @function, and - * calls the @loop_tuple function for each entry. If the call to @loop_tuple - * returns 0, the loop exits. Returns 0 on success or errorcode otherwise. - */ -int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code, - int (*loop_tuple) (struct pcmcia_device *p_dev, - tuple_t *tuple, - void *priv_data), - void *priv_data) -{ - struct pcmcia_loop_mem loop = { - .p_dev = p_dev, - .loop_tuple = loop_tuple, - .priv_data = priv_data}; - - return pccard_loop_tuple(p_dev->socket, p_dev->func, code, NULL, - &loop, pcmcia_do_loop_tuple); -} -EXPORT_SYMBOL(pcmcia_loop_tuple); - - -struct pcmcia_loop_get { - size_t len; - cisdata_t **buf; -}; - -/** - * pcmcia_do_get_tuple() - internal helper for pcmcia_get_tuple() - * - * pcmcia_do_get_tuple() is the internal callback for the call from - * pcmcia_get_tuple() to pcmcia_loop_tuple(). As we're only interested in - * the first tuple, return 0 unconditionally. Create a memory buffer large - * enough to hold the content of the tuple, and fill it with the tuple data. - * The caller is responsible to free the buffer. - */ -static int pcmcia_do_get_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, - void *priv) -{ - struct pcmcia_loop_get *get = priv; - - *get->buf = kzalloc(tuple->TupleDataLen, GFP_KERNEL); - if (*get->buf) { - get->len = tuple->TupleDataLen; - memcpy(*get->buf, tuple->TupleData, tuple->TupleDataLen); - } else - dev_dbg(&p_dev->dev, "do_get_tuple: out of memory\n"); - return 0; -} - -/** - * pcmcia_get_tuple() - get first tuple from CIS - * @p_dev: the struct pcmcia_device which we need to loop for. - * @code: which CIS code shall we look for? - * @buf: pointer to store the buffer to. - * - * pcmcia_get_tuple() gets the content of the first CIS entry of type @code. - * It returns the buffer length (or zero). The caller is responsible to free - * the buffer passed in @buf. - */ -size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, - unsigned char **buf) -{ - struct pcmcia_loop_get get = { - .len = 0, - .buf = buf, - }; - - *get.buf = NULL; - pcmcia_loop_tuple(p_dev, code, pcmcia_do_get_tuple, &get); - - return get.len; -} -EXPORT_SYMBOL(pcmcia_get_tuple); - - -/** - * pcmcia_do_get_mac() - internal helper for pcmcia_get_mac_from_cis() - * - * pcmcia_do_get_mac() is the internal callback for the call from - * pcmcia_get_mac_from_cis() to pcmcia_loop_tuple(). We check whether the - * tuple contains a proper LAN_NODE_ID of length 6, and copy the data - * to struct net_device->dev_addr[i]. - */ -static int pcmcia_do_get_mac(struct pcmcia_device *p_dev, tuple_t *tuple, - void *priv) -{ - struct net_device *dev = priv; int i; - - if (tuple->TupleData[0] != CISTPL_FUNCE_LAN_NODE_ID) - return -EINVAL; - if (tuple->TupleDataLen < ETH_ALEN + 2) { - dev_warn(&p_dev->dev, "Invalid CIS tuple length for " - "LAN_NODE_ID\n"); - return -EINVAL; + for (i = 0; i < MAX_WIN; i++) { + struct resource *res = p_dev->resource[MAX_IO_WIN + i]; + if (res->flags & WIN_FLAGS_REQ) + pcmcia_release_window(p_dev, res); } - if (tuple->TupleData[1] != ETH_ALEN) { - dev_warn(&p_dev->dev, "Invalid header for LAN_NODE_ID\n"); - return -EINVAL; + pcmcia_release_configuration(p_dev); + pcmcia_release_io(p_dev); + if (p_dev->_irq) { + free_irq(p_dev->irq, p_dev->priv); + p_dev->_irq = 0; } - for (i = 0; i < 6; i++) - dev->dev_addr[i] = tuple->TupleData[i+2]; - return 0; -} - -/** - * pcmcia_get_mac_from_cis() - read out MAC address from CISTPL_FUNCE - * @p_dev: the struct pcmcia_device for which we want the address. - * @dev: a properly prepared struct net_device to store the info to. - * - * pcmcia_get_mac_from_cis() reads out the hardware MAC address from - * CISTPL_FUNCE and stores it into struct net_device *dev->dev_addr which - * must be set up properly by the driver (see examples!). - */ -int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev, struct net_device *dev) -{ - return pcmcia_loop_tuple(p_dev, CISTPL_FUNCE, pcmcia_do_get_mac, dev); } -EXPORT_SYMBOL(pcmcia_get_mac_from_cis); - +EXPORT_SYMBOL(pcmcia_disable_device); diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index b61a136..b8a869a 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -17,7 +17,6 @@ #include <linux/device.h> #include <linux/io.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c new file mode 100644 index 0000000..dbbdd00 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_balloon3.c @@ -0,0 +1,158 @@ +/* + * linux/drivers/pcmcia/pxa2xx_balloon3.c + * + * Balloon3 PCMCIA specific routines. + * + * Author: Nick Bane + * Created: June, 2006 + * Copyright: Toby Churchill Ltd + * Derived from pxa2xx_mainstone.c, by Nico Pitre + * + * Various modification by Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/gpio.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <mach/balloon3.h> + +#include "soc_common.h" + +/* + * These are a list of interrupt sources that provokes a polled + * check of status + */ +static struct pcmcia_irqs irqs[] = { + { 0, BALLOON3_S0_CD_IRQ, "PCMCIA0 CD" }, + { 0, BALLOON3_BP_NSTSCHG_IRQ, "PCMCIA0 STSCHG" }, +}; + +static int balloon3_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + uint16_t ver; + int ret; + static void __iomem *fpga_ver; + + ver = __raw_readw(BALLOON3_FPGA_VER); + if (ver > 0x0201) + pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. " + "PCMCIA/CF support might be broken in this version!", + ver); + + skt->socket.pci_irq = BALLOON3_BP_CF_NRDY_IRQ; + return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); +} + +static void balloon3_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); +} + +static unsigned long balloon3_pcmcia_status[2] = { + BALLOON3_CF_nSTSCHG_BVD1, + BALLOON3_CF_nSTSCHG_BVD1 +}; + +static void balloon3_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + uint16_t status; + int flip; + + /* This actually reads the STATUS register */ + status = __raw_readw(BALLOON3_CF_STATUS_REG); + flip = (status ^ balloon3_pcmcia_status[skt->nr]) + & BALLOON3_CF_nSTSCHG_BVD1; + /* + * Workaround for STSCHG which can't be deasserted: + * We therefore disable/enable corresponding IRQs + * as needed to avoid IRQ locks. + */ + if (flip) { + balloon3_pcmcia_status[skt->nr] = status; + if (status & BALLOON3_CF_nSTSCHG_BVD1) + enable_irq(BALLOON3_BP_NSTSCHG_IRQ); + else + disable_irq(BALLOON3_BP_NSTSCHG_IRQ); + } + + state->detect = !gpio_get_value(BALLOON3_GPIO_S0_CD); + state->ready = !!(status & BALLOON3_CF_nIRQ); + state->bvd1 = !!(status & BALLOON3_CF_nSTSCHG_BVD1); + state->bvd2 = 0; /* not available */ + state->vs_3v = 1; /* Always true its a CF card */ + state->vs_Xv = 0; /* not available */ + state->wrprot = 0; /* not available */ +} + +static int balloon3_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + __raw_writew((state->flags & SS_RESET) ? BALLOON3_CF_RESET : 0, + BALLOON3_CF_CONTROL_REG); + return 0; +} + +static void balloon3_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void balloon3_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level balloon3_pcmcia_ops = { + .owner = THIS_MODULE, + .hw_init = balloon3_pcmcia_hw_init, + .hw_shutdown = balloon3_pcmcia_hw_shutdown, + .socket_state = balloon3_pcmcia_socket_state, + .configure_socket = balloon3_pcmcia_configure_socket, + .socket_init = balloon3_pcmcia_socket_init, + .socket_suspend = balloon3_pcmcia_socket_suspend, + .first = 0, + .nr = 1, +}; + +static struct platform_device *balloon3_pcmcia_device; + +static int __init balloon3_pcmcia_init(void) +{ + int ret; + + balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!balloon3_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(balloon3_pcmcia_device, + &balloon3_pcmcia_ops, sizeof(balloon3_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(balloon3_pcmcia_device); + + if (ret) + platform_device_put(balloon3_pcmcia_device); + + return ret; +} + +static void __exit balloon3_pcmcia_exit(void) +{ + platform_device_unregister(balloon3_pcmcia_device); +} + +module_init(balloon3_pcmcia_init); +module_exit(balloon3_pcmcia_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Nick Bane <nick@cecomputing.co.uk>"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_DESCRIPTION("Balloon3 board CF/PCMCIA driver"); diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index df4532e..ae07b4d 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -32,7 +32,6 @@ #include <mach/pxa2xx-regs.h> #include <asm/mach-types.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> @@ -178,7 +177,6 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, unsigned long val, struct cpufreq_freqs *freqs) { -#warning "it's not clear if this is right since the core CPU (N) clock has no effect on the memory (L) clock" switch (val) { case CPUFREQ_PRECHANGE: if (freqs->new > freqs->old) { @@ -186,7 +184,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, "pre-updating\n", freqs->new / 1000, (freqs->new / 100) % 10, freqs->old / 1000, (freqs->old / 100) % 10); - pxa2xx_pcmcia_set_mcxx(skt, freqs->new); + pxa2xx_pcmcia_set_timing(skt); } break; @@ -196,7 +194,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, "post-updating\n", freqs->new / 1000, (freqs->new / 100) % 10, freqs->old / 1000, (freqs->old / 100) % 10); - pxa2xx_pcmcia_set_mcxx(skt, freqs->new); + pxa2xx_pcmcia_set_timing(skt); } break; } diff --git a/drivers/pcmcia/pxa2xx_vpac270.c b/drivers/pcmcia/pxa2xx_vpac270.c new file mode 100644 index 0000000..55627ec --- /dev/null +++ b/drivers/pcmcia/pxa2xx_vpac270.c @@ -0,0 +1,229 @@ +/* + * linux/drivers/pcmcia/pxa2xx_vpac270.c + * + * Driver for Voipac PXA270 PCMCIA and CF sockets + * + * Copyright (C) 2010 + * Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <asm/mach-types.h> + +#include <mach/gpio.h> +#include <mach/vpac270.h> + +#include "soc_common.h" + +static struct pcmcia_irqs cd_irqs[] = { + { + .sock = 0, + .irq = IRQ_GPIO(GPIO84_VPAC270_PCMCIA_CD), + .str = "PCMCIA CD" + }, + { + .sock = 1, + .irq = IRQ_GPIO(GPIO17_VPAC270_CF_CD), + .str = "CF CD" + }, +}; + +static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret; + + if (skt->nr == 0) { + ret = gpio_request(GPIO84_VPAC270_PCMCIA_CD, "PCMCIA CD"); + if (ret) + goto err1; + ret = gpio_direction_input(GPIO84_VPAC270_PCMCIA_CD); + if (ret) + goto err2; + + ret = gpio_request(GPIO35_VPAC270_PCMCIA_RDY, "PCMCIA RDY"); + if (ret) + goto err2; + ret = gpio_direction_input(GPIO35_VPAC270_PCMCIA_RDY); + if (ret) + goto err3; + + ret = gpio_request(GPIO107_VPAC270_PCMCIA_PPEN, "PCMCIA PPEN"); + if (ret) + goto err3; + ret = gpio_direction_output(GPIO107_VPAC270_PCMCIA_PPEN, 0); + if (ret) + goto err4; + + ret = gpio_request(GPIO11_VPAC270_PCMCIA_RESET, "PCMCIA RESET"); + if (ret) + goto err4; + ret = gpio_direction_output(GPIO11_VPAC270_PCMCIA_RESET, 0); + if (ret) + goto err5; + + skt->socket.pci_irq = gpio_to_irq(GPIO35_VPAC270_PCMCIA_RDY); + + return soc_pcmcia_request_irqs(skt, &cd_irqs[0], 1); + +err5: + gpio_free(GPIO11_VPAC270_PCMCIA_RESET); +err4: + gpio_free(GPIO107_VPAC270_PCMCIA_PPEN); +err3: + gpio_free(GPIO35_VPAC270_PCMCIA_RDY); +err2: + gpio_free(GPIO84_VPAC270_PCMCIA_CD); +err1: + return ret; + + } else { + ret = gpio_request(GPIO17_VPAC270_CF_CD, "CF CD"); + if (ret) + goto err6; + ret = gpio_direction_input(GPIO17_VPAC270_CF_CD); + if (ret) + goto err7; + + ret = gpio_request(GPIO12_VPAC270_CF_RDY, "CF RDY"); + if (ret) + goto err7; + ret = gpio_direction_input(GPIO12_VPAC270_CF_RDY); + if (ret) + goto err8; + + ret = gpio_request(GPIO16_VPAC270_CF_RESET, "CF RESET"); + if (ret) + goto err8; + ret = gpio_direction_output(GPIO16_VPAC270_CF_RESET, 0); + if (ret) + goto err9; + + skt->socket.pci_irq = gpio_to_irq(GPIO12_VPAC270_CF_RDY); + + return soc_pcmcia_request_irqs(skt, &cd_irqs[1], 1); + +err9: + gpio_free(GPIO16_VPAC270_CF_RESET); +err8: + gpio_free(GPIO12_VPAC270_CF_RDY); +err7: + gpio_free(GPIO17_VPAC270_CF_CD); +err6: + return ret; + + } +} + +static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free(GPIO11_VPAC270_PCMCIA_RESET); + gpio_free(GPIO107_VPAC270_PCMCIA_PPEN); + gpio_free(GPIO35_VPAC270_PCMCIA_RDY); + gpio_free(GPIO84_VPAC270_PCMCIA_CD); + gpio_free(GPIO16_VPAC270_CF_RESET); + gpio_free(GPIO12_VPAC270_CF_RDY); + gpio_free(GPIO17_VPAC270_CF_CD); +} + +static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + if (skt->nr == 0) { + state->detect = !gpio_get_value(GPIO84_VPAC270_PCMCIA_CD); + state->ready = !!gpio_get_value(GPIO35_VPAC270_PCMCIA_RDY); + } else { + state->detect = !gpio_get_value(GPIO17_VPAC270_CF_CD); + state->ready = !!gpio_get_value(GPIO12_VPAC270_CF_RDY); + } + state->bvd1 = 1; + state->bvd2 = 1; + state->wrprot = 0; + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int +vpac270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + if (skt->nr == 0) { + gpio_set_value(GPIO11_VPAC270_PCMCIA_RESET, + (state->flags & SS_RESET)); + gpio_set_value(GPIO107_VPAC270_PCMCIA_PPEN, + !(state->Vcc == 33 || state->Vcc == 50)); + } else { + gpio_set_value(GPIO16_VPAC270_CF_RESET, + (state->flags & SS_RESET)); + } + + return 0; +} + +static void vpac270_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void vpac270_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level vpac270_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 2, + + .hw_init = vpac270_pcmcia_hw_init, + .hw_shutdown = vpac270_pcmcia_hw_shutdown, + + .socket_state = vpac270_pcmcia_socket_state, + .configure_socket = vpac270_pcmcia_configure_socket, + + .socket_init = vpac270_pcmcia_socket_init, + .socket_suspend = vpac270_pcmcia_socket_suspend, +}; + +static struct platform_device *vpac270_pcmcia_device; + +static int __init vpac270_pcmcia_init(void) +{ + int ret; + + if (!machine_is_vpac270()) + return -ENODEV; + + vpac270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!vpac270_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(vpac270_pcmcia_device, + &vpac270_pcmcia_ops, sizeof(vpac270_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(vpac270_pcmcia_device); + + if (ret) + platform_device_put(vpac270_pcmcia_device); + + return ret; +} + +static void __exit vpac270_pcmcia_exit(void) +{ + platform_device_unregister(vpac270_pcmcia_device); +} + +module_init(vpac270_pcmcia_init); +module_exit(vpac270_pcmcia_exit); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("PCMCIA support for Voipac PXA270"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/rsrc_iodyn.c b/drivers/pcmcia/rsrc_iodyn.c new file mode 100644 index 0000000..8510c35 --- /dev/null +++ b/drivers/pcmcia/rsrc_iodyn.c @@ -0,0 +1,172 @@ +/* + * rsrc_iodyn.c -- Resource management routines for MEM-static sockets. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * The initial developer of the original code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + * + * (C) 1999 David A. Hinds + */ + +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kernel.h> + +#include <pcmcia/ss.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include "cs_internal.h" + + +struct pcmcia_align_data { + unsigned long mask; + unsigned long offset; +}; + +static resource_size_t pcmcia_align(void *align_data, + const struct resource *res, + resource_size_t size, resource_size_t align) +{ + struct pcmcia_align_data *data = align_data; + resource_size_t start; + + start = (res->start & ~data->mask) + data->offset; + if (start < res->start) + start += data->mask + 1; + +#ifdef CONFIG_X86 + if (res->flags & IORESOURCE_IO) { + if (start & 0x300) + start = (start + 0x3ff) & ~0x3ff; + } +#endif + +#ifdef CONFIG_M68K + if (res->flags & IORESOURCE_IO) { + if ((res->start + size - 1) >= 1024) + start = res->end; + } +#endif + + return start; +} + + +static struct resource *__iodyn_find_io_region(struct pcmcia_socket *s, + unsigned long base, int num, + unsigned long align) +{ + struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_IO, + dev_name(&s->dev)); + struct pcmcia_align_data data; + unsigned long min = base; + int ret; + + data.mask = align - 1; + data.offset = base & data.mask; + +#ifdef CONFIG_PCI + if (s->cb_dev) { + ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, + min, 0, pcmcia_align, &data); + } else +#endif + ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, + 1, pcmcia_align, &data); + + if (ret != 0) { + kfree(res); + res = NULL; + } + return res; +} + +static int iodyn_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align, struct resource **parent) +{ + int i, ret = 0; + + /* Check for an already-allocated window that must conflict with + * what was asked for. It is a hack because it does not catch all + * potential conflicts, just the most obvious ones. + */ + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + + if (!*base) + continue; + + if ((s->io[i].res->start & (align-1)) == *base) + return -EBUSY; + } + + for (i = 0; i < MAX_IO_WIN; i++) { + struct resource *res = s->io[i].res; + unsigned int try; + + if (res && (res->flags & IORESOURCE_BITS) != + (attr & IORESOURCE_BITS)) + continue; + + if (!res) { + if (align == 0) + align = 0x10000; + + res = s->io[i].res = __iodyn_find_io_region(s, *base, + num, align); + if (!res) + return -EINVAL; + + *base = res->start; + s->io[i].res->flags = + ((res->flags & ~IORESOURCE_BITS) | + (attr & IORESOURCE_BITS)); + s->io[i].InUse = num; + *parent = res; + return 0; + } + + /* Try to extend top of window */ + try = res->end + 1; + if ((*base == 0) || (*base == try)) { + if (adjust_resource(s->io[i].res, res->start, + res->end - res->start + num + 1)) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + + /* Try to extend bottom of window */ + try = res->start - num; + if ((*base == 0) || (*base == try)) { + if (adjust_resource(s->io[i].res, + res->start - num, + res->end - res->start + num + 1)) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + } + + return -EINVAL; +} + + +struct pccard_resource_ops pccard_iodyn_ops = { + .validate_mem = NULL, + .find_io = iodyn_find_io, + .find_mem = NULL, + .init = static_init, + .exit = NULL, +}; +EXPORT_SYMBOL(pccard_iodyn_ops); diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index ffa5f3c..4e80421 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -16,13 +16,12 @@ #include <linux/module.h> #include <linux/kernel.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" -static int static_init(struct pcmcia_socket *s) +int static_init(struct pcmcia_socket *s) { /* the good thing about SS_CAP_STATIC_MAP sockets is * that they don't need a resource database */ @@ -32,118 +31,43 @@ static int static_init(struct pcmcia_socket *s) return 0; } - -struct pccard_resource_ops pccard_static_ops = { - .validate_mem = NULL, - .adjust_io_region = NULL, - .find_io = NULL, - .find_mem = NULL, - .add_io = NULL, - .add_mem = NULL, - .init = static_init, - .exit = NULL, -}; -EXPORT_SYMBOL(pccard_static_ops); - - -#ifdef CONFIG_PCCARD_IODYN - -static struct resource * -make_resource(unsigned long b, unsigned long n, int flags, char *name) +struct resource *pcmcia_make_resource(unsigned long start, unsigned long end, + int flags, const char *name) { struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); if (res) { res->name = name; - res->start = b; - res->end = b + n - 1; + res->start = start; + res->end = start + end - 1; res->flags = flags; } return res; } -struct pcmcia_align_data { - unsigned long mask; - unsigned long offset; -}; - -static resource_size_t pcmcia_align(void *align_data, - const struct resource *res, - resource_size_t size, resource_size_t align) +static int static_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align, struct resource **parent) { - struct pcmcia_align_data *data = align_data; - resource_size_t start; - - start = (res->start & ~data->mask) + data->offset; - if (start < res->start) - start += data->mask + 1; - -#ifdef CONFIG_X86 - if (res->flags & IORESOURCE_IO) { - if (start & 0x300) - start = (start + 0x3ff) & ~0x3ff; - } -#endif - -#ifdef CONFIG_M68K - if (res->flags & IORESOURCE_IO) { - if ((res->start + size - 1) >= 1024) - start = res->end; - } -#endif + if (!s->io_offset) + return -EINVAL; + *base = s->io_offset | (*base & 0x0fff); + *parent = NULL; - return start; -} - - -static int iodyn_adjust_io_region(struct resource *res, unsigned long r_start, - unsigned long r_end, struct pcmcia_socket *s) -{ - return adjust_resource(res, r_start, r_end - r_start + 1); + return 0; } -static struct resource *iodyn_find_io_region(unsigned long base, int num, - unsigned long align, struct pcmcia_socket *s) -{ - struct resource *res = make_resource(0, num, IORESOURCE_IO, - dev_name(&s->dev)); - struct pcmcia_align_data data; - unsigned long min = base; - int ret; - - if (align == 0) - align = 0x10000; - - data.mask = align - 1; - data.offset = base & data.mask; - -#ifdef CONFIG_PCI - if (s->cb_dev) { - ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, - min, 0, pcmcia_align, &data); - } else -#endif - ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, - 1, pcmcia_align, &data); - - if (ret != 0) { - kfree(res); - res = NULL; - } - return res; -} - -struct pccard_resource_ops pccard_iodyn_ops = { +struct pccard_resource_ops pccard_static_ops = { .validate_mem = NULL, - .adjust_io_region = iodyn_adjust_io_region, - .find_io = iodyn_find_io_region, + .find_io = static_find_io, .find_mem = NULL, - .add_io = NULL, - .add_mem = NULL, .init = static_init, .exit = NULL, }; -EXPORT_SYMBOL(pccard_iodyn_ops); +EXPORT_SYMBOL(pccard_static_ops); + -#endif /* CONFIG_PCCARD_IODYN */ +MODULE_AUTHOR("David A. Hinds, Dominik Brodowski"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("rsrc_nonstatic"); diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index a6eb7b5..96f348b 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -28,14 +28,15 @@ #include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" +/* moved to rsrc_mgr.c MODULE_AUTHOR("David A. Hinds, Dominik Brodowski"); MODULE_LICENSE("GPL"); +*/ /* Parameters that can be set with 'insmod' */ @@ -62,6 +63,9 @@ struct socket_data { #define MEM_PROBE_LOW (1 << 0) #define MEM_PROBE_HIGH (1 << 1) +/* Action field */ +#define REMOVE_MANAGED_RESOURCE 1 +#define ADD_MANAGED_RESOURCE 2 /*====================================================================== @@ -70,27 +74,13 @@ struct socket_data { ======================================================================*/ static struct resource * -make_resource(resource_size_t b, resource_size_t n, int flags, const char *name) -{ - struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); - - if (res) { - res->name = name; - res->start = b; - res->end = b + n - 1; - res->flags = flags; - } - return res; -} - -static struct resource * claim_region(struct pcmcia_socket *s, resource_size_t base, resource_size_t size, int type, char *name) { struct resource *res, *parent; parent = type & IORESOURCE_MEM ? &iomem_resource : &ioport_resource; - res = make_resource(base, size, type | IORESOURCE_BUSY, name); + res = pcmcia_make_resource(base, size, type | IORESOURCE_BUSY, name); if (res) { #ifdef CONFIG_PCI @@ -661,8 +651,9 @@ pcmcia_align(void *align_data, const struct resource *res, * Adjust an existing IO region allocation, but making sure that we don't * encroach outside the resources which the user supplied. */ -static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_start, - unsigned long r_end, struct pcmcia_socket *s) +static int __nonstatic_adjust_io_region(struct pcmcia_socket *s, + unsigned long r_start, + unsigned long r_end) { struct resource_map *m; struct socket_data *s_data = s->resource_data; @@ -675,8 +666,7 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star if (start > r_start || r_end > end) continue; - ret = adjust_resource(res, r_start, r_end - r_start + 1); - break; + ret = 0; } return ret; @@ -695,18 +685,17 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star ======================================================================*/ -static struct resource *nonstatic_find_io_region(unsigned long base, int num, - unsigned long align, struct pcmcia_socket *s) +static struct resource *__nonstatic_find_io_region(struct pcmcia_socket *s, + unsigned long base, int num, + unsigned long align) { - struct resource *res = make_resource(0, num, IORESOURCE_IO, dev_name(&s->dev)); + struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_IO, + dev_name(&s->dev)); struct socket_data *s_data = s->resource_data; struct pcmcia_align_data data; unsigned long min = base; int ret; - if (align == 0) - align = 0x10000; - data.mask = align - 1; data.offset = base & data.mask; data.map = &s_data->io_db; @@ -727,10 +716,100 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, return res; } +static int nonstatic_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align, struct resource **parent) +{ + int i, ret = 0; + + /* Check for an already-allocated window that must conflict with + * what was asked for. It is a hack because it does not catch all + * potential conflicts, just the most obvious ones. + */ + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + + if (!*base) + continue; + + if ((s->io[i].res->start & (align-1)) == *base) + return -EBUSY; + } + + for (i = 0; i < MAX_IO_WIN; i++) { + struct resource *res = s->io[i].res; + unsigned int try; + + if (res && (res->flags & IORESOURCE_BITS) != + (attr & IORESOURCE_BITS)) + continue; + + if (!res) { + if (align == 0) + align = 0x10000; + + res = s->io[i].res = __nonstatic_find_io_region(s, + *base, num, + align); + if (!res) + return -EINVAL; + + *base = res->start; + s->io[i].res->flags = + ((res->flags & ~IORESOURCE_BITS) | + (attr & IORESOURCE_BITS)); + s->io[i].InUse = num; + *parent = res; + return 0; + } + + /* Try to extend top of window */ + try = res->end + 1; + if ((*base == 0) || (*base == try)) { + ret = __nonstatic_adjust_io_region(s, res->start, + res->end + num); + if (!ret) { + ret = adjust_resource(s->io[i].res, res->start, + res->end - res->start + num + 1); + if (ret) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + } + + /* Try to extend bottom of window */ + try = res->start - num; + if ((*base == 0) || (*base == try)) { + ret = __nonstatic_adjust_io_region(s, + res->start - num, + res->end); + if (!ret) { + ret = adjust_resource(s->io[i].res, + res->start - num, + res->end - res->start + num + 1); + if (ret) + continue; + *base = try; + s->io[i].InUse += num; + *parent = res; + return 0; + } + } + } + + return -EINVAL; +} + + static struct resource *nonstatic_find_mem_region(u_long base, u_long num, u_long align, int low, struct pcmcia_socket *s) { - struct resource *res = make_resource(0, num, IORESOURCE_MEM, dev_name(&s->dev)); + struct resource *res = pcmcia_make_resource(0, num, IORESOURCE_MEM, + dev_name(&s->dev)); struct socket_data *s_data = s->resource_data; struct pcmcia_align_data data; unsigned long min, max; @@ -861,23 +940,42 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s) return -ENODEV; #if defined(CONFIG_X86) - /* If this is the root bus, the risk of hitting - * some strange system devices which aren't protected - * by either ACPI resource tables or properly requested - * resources is too big. Therefore, don't do auto-adding - * of resources at the moment. + /* If this is the root bus, the risk of hitting some strange + * system devices is too high: If a driver isn't loaded, the + * resources are not claimed; even if a driver is loaded, it + * may not request all resources or even the wrong one. We + * can neither trust the rest of the kernel nor ACPI/PNP and + * CRS parsing to get it right. Therefore, use several + * safeguards: + * + * - Do not auto-add resources if the CardBus bridge is on + * the PCI root bus + * + * - Avoid any I/O ports < 0x100. + * + * - On PCI-PCI bridges, only use resources which are set up + * exclusively for the secondary PCI bus: the risk of hitting + * system devices is quite low, as they usually aren't + * connected to the secondary PCI bus. */ if (s->cb_dev->bus->number == 0) return -EINVAL; -#endif + for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++) { + res = s->cb_dev->bus->resource[i]; +#else pci_bus_for_each_resource(s->cb_dev->bus, res, i) { +#endif if (!res) continue; if (res->flags & IORESOURCE_IO) { + /* safeguard against the root resource, where the + * risk of hitting any other device would be too + * high */ if (res == &ioport_resource) continue; + dev_printk(KERN_INFO, &s->cb_dev->dev, "pcmcia: parent PCI bridge window: %pR\n", res); @@ -887,8 +985,12 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s) } if (res->flags & IORESOURCE_MEM) { + /* safeguard against the root resource, where the + * risk of hitting any other device would be too + * high */ if (res == &iomem_resource) continue; + dev_printk(KERN_INFO, &s->cb_dev->dev, "pcmcia: parent PCI bridge window: %pR\n", res); @@ -956,11 +1058,8 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) struct pccard_resource_ops pccard_nonstatic_ops = { .validate_mem = pcmcia_nonstatic_validate_mem, - .adjust_io_region = nonstatic_adjust_io_region, - .find_io = nonstatic_find_io_region, + .find_io = nonstatic_find_io, .find_mem = nonstatic_find_mem_region, - .add_io = adjust_io, - .add_mem = adjust_memory, .init = nonstatic_init, .exit = nonstatic_release_resource_db, }; @@ -1019,8 +1118,6 @@ static ssize_t store_io_db(struct device *dev, mutex_lock(&s->ops_mutex); ret = adjust_io(s, add, start_addr, end_addr); - if (!ret) - s->resource_setup_new = 1; mutex_unlock(&s->ops_mutex); return ret ? ret : count; @@ -1087,8 +1184,6 @@ static ssize_t store_mem_db(struct device *dev, mutex_lock(&s->ops_mutex); ret = adjust_memory(s, add, start_addr, end_addr); - if (!ret) - s->resource_setup_new = 1; mutex_unlock(&s->ops_mutex); return ret ? ret : count; diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c index edbd8c4..e098514 100644 --- a/drivers/pcmcia/sa1100_generic.c +++ b/drivers/pcmcia/sa1100_generic.c @@ -35,7 +35,6 @@ #include <linux/slab.h> #include <linux/platform_device.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> diff --git a/drivers/pcmcia/sa11xx_base.c b/drivers/pcmcia/sa11xx_base.c index fa28d89..0c62fe3 100644 --- a/drivers/pcmcia/sa11xx_base.c +++ b/drivers/pcmcia/sa11xx_base.c @@ -231,7 +231,7 @@ int sa11xx_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops, sinfo->nskt = nr; - /* Initiliaze processor specific parameters */ + /* Initialize processor specific parameters */ for (i = 0; i < nr; i++) { skt = &sinfo->skt[i]; diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h index e40824c..3fba3a6 100644 --- a/drivers/pcmcia/soc_common.h +++ b/drivers/pcmcia/soc_common.h @@ -11,7 +11,6 @@ /* include the world */ #include <linux/cpufreq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 80e36bc..cb0d3ac 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -26,7 +26,6 @@ #include <asm/system.h> #include <asm/irq.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c index 56004a1..be0d841 100644 --- a/drivers/pcmcia/tcic.c +++ b/drivers/pcmcia/tcic.c @@ -49,7 +49,6 @@ #include <asm/io.h> #include <asm/system.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> #include "tcic.h" diff --git a/drivers/pcmcia/xxs1500_ss.c b/drivers/pcmcia/xxs1500_ss.c index 201ccfa..fa88c36 100644 --- a/drivers/pcmcia/xxs1500_ss.c +++ b/drivers/pcmcia/xxs1500_ss.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> -#include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 83ace277..414d9a6 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -19,7 +19,6 @@ #include <linux/io.h> #include <linux/slab.h> -#include <pcmcia/cs_types.h> #include <pcmcia/ss.h> #include <pcmcia/cs.h> @@ -880,6 +879,12 @@ static struct cardbus_type cardbus_type[] = { .restore_state = ti_restore_state, .sock_init = ti_init, }, + [CARDBUS_TYPE_ENE] = { + .override = ene_override, + .save_state = ti_save_state, + .restore_state = ti_restore_state, + .sock_init = ti_init, + }, #endif #ifdef CONFIG_YENTA_RICOH [CARDBUS_TYPE_RICOH] = { @@ -902,14 +907,6 @@ static struct cardbus_type cardbus_type[] = { .restore_state = o2micro_restore_state, }, #endif -#ifdef CONFIG_YENTA_TI - [CARDBUS_TYPE_ENE] = { - .override = ene_override, - .save_state = ti_save_state, - .restore_state = ti_restore_state, - .sock_init = ti_init, - }, -#endif }; @@ -975,7 +972,7 @@ static irqreturn_t yenta_probe_handler(int irq, void *dev_id) /* probes the PCI interrupt, use only on override functions */ static int yenta_probe_cb_irq(struct yenta_socket *socket) { - u8 reg; + u8 reg = 0; if (!socket->cb_irq) return -1; @@ -989,7 +986,8 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket) } /* generate interrupt, wait */ - reg = exca_readb(socket, I365_CSCINT); + if (!socket->dev->irq) + reg = exca_readb(socket, I365_CSCINT); exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG); cb_writel(socket, CB_SOCKET_EVENT, -1); cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); @@ -1303,13 +1301,6 @@ static int yenta_dev_suspend_noirq(struct device *dev) pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]); pci_disable_device(pdev); - /* - * Some laptops (IBM T22) do not like us putting the Cardbus - * bridge into D3. At a guess, some other laptop will - * probably require this, so leave it commented out for now. - */ - /* pci_set_power_state(dev, 3); */ - return 0; } |