#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>
/* 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);
/**
* 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)
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 */
if (!sys) {
dev_dbg(&s->dev, "could not map memory\n");
memset(ptr, 0xff, len);
- mutex_unlock(&s->ops_mutex);
return -1;
}
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;
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));
/**
* 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;
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 */
((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);
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;
addr = 0;
}
}
- mutex_unlock(&s->ops_mutex);
+ return 0;
}
return 0;
}
}
- mutex_unlock(&s->ops_mutex);
ret = pcmcia_read_cis_mem(s, attr, addr, len, ptr);
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;
}
"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;
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;
}
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
}
-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)
{
}
-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)
{
git.openpandora.org / pandora-kernel.git / blobdiff