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Commit 5c128e84 authored by Dominik Brodowski's avatar Dominik Brodowski
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pcmcia: move high level CIS access code to separate file 

No code changes.
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent b9300aa7
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Showing with 356 additions and 330 deletions
drivers/pcmcia/Makefile
View file @ 5c128e84
......@@ -6,7 +6,7 @@ pcmcia_core-y += cs.o rsrc_mgr.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
......
drivers/pcmcia/cistpl.c
View file @ 5c128e84
......@@ -1361,106 +1361,6 @@ int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse)
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
......
drivers/pcmcia/pcmcia_cis.c 0 → 100644
View file @ 5c128e84
This diff is collapsed.
drivers/pcmcia/pcmcia_resource.c
View file @ 5c128e84
......@@ -923,232 +923,3 @@ void pcmcia_disable_device(struct pcmcia_device *p_dev)
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;
}
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);
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