summaryrefslogtreecommitdiffstats
path: root/drivers/pcmcia
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 09:09:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 09:09:46 -0700
commit54291263519ac2c9bdda68b23b02fef3808deed4 (patch)
treed71de8172a6ab2bbe3068aece7d8911eeeb276fd /drivers/pcmcia
parent46ee9645094ad1eb5b4888882ecaa1fb87dcd2a3 (diff)
parentacd200bf45487271d54f05938ad9e30f32a530ee (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (29 commits) pcmcia: disable PCMCIA ioctl also for ARM drivers/staging/comedi: dev_node removal (quatech_daqp_cs) drivers/staging/comedi: dev_node removal (ni_mio_cs) drivers/staging/comedi: dev_node removal (ni_labpc_cs) drivers/staging/comedi: dev_node removal (ni_daq_dio24) drivers/staging/comedi: dev_node removal (ni_daq_700) drivers/staging/comedi: dev_node removal (das08_cs) drivers/staging/comedi: dev_node removal (cb_das16_cs) pata_pcmcia: get rid of extra indirection pcmcia: remove suspend-related comment from yenta_socket.c pcmcia: call pcmcia_{read,write}_cis_mem with ops_mutex held pcmcia: remove pcmcia_add_device_lock pcmcia: update gfp/slab.h includes pcmcia: remove unused mem_op.h pcmcia: do not autoadd root PCI bus resources pcmcia: clarify alloc_io_space, move it to resource handlers pcmcia: move all pcmcia_resource_ops providers into one module pcmcia: move high level CIS access code to separate file pcmcia: dev_node removal (core) pcmcia: dev_node removal (remaining drivers) ...
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/Kconfig22
-rw-r--r--drivers/pcmcia/Makefile9
-rw-r--r--drivers/pcmcia/bfin_cf_pcmcia.c2
-rw-r--r--drivers/pcmcia/cardbus.c1
-rw-r--r--drivers/pcmcia/cistpl.c121
-rw-r--r--drivers/pcmcia/cs.c1
-rw-r--r--drivers/pcmcia/cs_internal.h22
-rw-r--r--drivers/pcmcia/ds.c34
-rw-r--r--drivers/pcmcia/omap_cf.c2
-rw-r--r--drivers/pcmcia/pcmcia_cis.c356
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c23
-rw-r--r--drivers/pcmcia/pcmcia_resource.c634
-rw-r--r--drivers/pcmcia/rsrc_iodyn.c172
-rw-r--r--drivers/pcmcia/rsrc_mgr.c112
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c164
-rw-r--r--drivers/pcmcia/yenta_socket.c7
16 files changed, 893 insertions, 789 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index a44733d44ca1..d0f5ad306078 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
@@ -318,7 +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 4dae3613c458..d006e8beab9c 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -2,15 +2,18 @@
# 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-y += ds.o pcmcia_resource.o cistpl.o pcmcia_cis.o
pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o
obj-$(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
diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c
index 9e84d039de41..eae9cbe37a3e 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 e6ab2a47d8cb..9a58862f1401 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 854959cada3a..60d428be0b07 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -129,6 +129,8 @@ 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 +140,6 @@ 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 +154,6 @@ 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 +184,6 @@ 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 +197,6 @@ 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));
@@ -209,7 +207,8 @@ 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,
u_int len, void *ptr)
@@ -220,7 +219,6 @@ 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 */
@@ -234,7 +232,6 @@ 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 */
}
@@ -260,7 +257,6 @@ 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 */
}
@@ -275,7 +271,6 @@ void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
addr = 0;
}
}
- mutex_unlock(&s->ops_mutex);
}
@@ -314,7 +309,6 @@ 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 +320,11 @@ 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 +380,7 @@ 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 +390,12 @@ 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 +1359,6 @@ 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
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index c3383750e333..976d80706eae 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -337,7 +337,6 @@ 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;
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index f95864c2191e..4126a75445ea 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -52,13 +52,11 @@ 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* (*find_mem) (unsigned long base, unsigned long num,
unsigned long align, int low,
struct pcmcia_socket *s);
@@ -89,6 +87,14 @@ 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":
*/
@@ -149,6 +155,8 @@ 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;
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 041eee43fd8d..7ef7adee5e4f 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -371,8 +371,6 @@ 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,
@@ -479,15 +477,6 @@ 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)
{
struct pcmcia_device *p_dev, *tmp_dev;
@@ -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);
@@ -538,8 +525,8 @@ 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) {
@@ -552,28 +539,31 @@ 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) {
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)
+ if (!p_dev->function_config) {
+ mutex_unlock(&s->ops_mutex);
goto err_unreg;
+ }
kref_init(&p_dev->function_config->ref);
}
+ 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 +581,6 @@ 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;
@@ -1258,6 +1247,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
handle_event(skt, event);
mutex_lock(&s->ops_mutex);
destroy_cis_cache(s);
+ pcmcia_cleanup_irq(s);
mutex_unlock(&s->ops_mutex);
break;
diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
index a7cfc7964c7c..0ad06a3bd562 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 000000000000..4a65eaf96b0a
--- /dev/null
+++ b/drivers/pcmcia/pcmcia_cis.c
@@ -0,0 +1,356 @@
+/*
+ * 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/cs_types.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
index 7631faa0cadd..ef0c5f133691 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -301,7 +301,9 @@ static int pccard_get_status(struct pcmcia_socket *s,
(c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) {
u_char reg;
if (c->CardValues & PRESENT_PIN_REPLACE) {
+ mutex_lock(&s->ops_mutex);
pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, &reg);
+ mutex_unlock(&s->ops_mutex);
status->CardState |=
(reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0;
status->CardState |=
@@ -315,7 +317,9 @@ static int pccard_get_status(struct pcmcia_socket *s,
status->CardState |= CS_EVENT_READY_CHANGE;
}
if (c->CardValues & PRESENT_EXT_STATUS) {
+ mutex_lock(&s->ops_mutex);
pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, &reg);
+ mutex_unlock(&s->ops_mutex);
status->CardState |=
(reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
}
@@ -351,7 +355,7 @@ static int pccard_get_configuration_info(struct pcmcia_socket *s,
if (s->state & SOCKET_CARDBUS_CONFIG) {
config->Attributes = CONF_VALID_CLIENT;
config->IntType = INT_CARDBUS;
- config->AssignedIRQ = s->irq.AssignedIRQ;
+ config->AssignedIRQ = s->pcmcia_irq;
if (config->AssignedIRQ)
config->Attributes |= CONF_ENABLE_IRQ;
if (s->io[0].res) {
@@ -391,7 +395,7 @@ static int pccard_get_configuration_info(struct pcmcia_socket *s,
config->ExtStatus = c->ExtStatus;
config->Present = config->CardValues = c->CardValues;
config->IRQAttributes = c->irq.Attributes;
- config->AssignedIRQ = s->irq.AssignedIRQ;
+ config->AssignedIRQ = s->pcmcia_irq;
config->BasePort1 = c->io.BasePort1;
config->NumPorts1 = c->io.NumPorts1;
config->Attributes1 = c->io.Attributes1;
@@ -571,7 +575,6 @@ static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s)
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;
@@