module_param(io_speed, int, 0444);
-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)
static int alloc_io_space(struct pcmcia_socket *s, u_int attr,
unsigned int *base, unsigned int num, u_int lines)
{
- int i;
- unsigned int try, align;
+ unsigned int align;
align = (*base) ? (lines ? 1<<lines : 0) : 1;
if (align && (align < num)) {
*base, align);
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);
+
+ return s->resource_ops->find_io(s, attr, base, num, align);
} /* alloc_io_space */
config_t *c;
int addr;
u_char val;
+ int ret = 0;
if (!p_dev || !p_dev->function_config)
return -EINVAL;
}
addr = (c->ConfigBase + reg->Offset) >> 1;
- mutex_unlock(&s->ops_mutex);
switch (reg->Action) {
case CS_READ:
- pcmcia_read_cis_mem(s, 1, addr, 1, &val);
+ ret = pcmcia_read_cis_mem(s, 1, addr, 1, &val);
reg->Value = val;
break;
case CS_WRITE:
break;
default:
dev_dbg(&s->dev, "Invalid conf register request\n");
- return -EINVAL;
+ ret = -EINVAL;
break;
}
- return 0;
+ mutex_unlock(&s->ops_mutex);
+ return ret;
} /* pcmcia_access_configuration_register */
EXPORT_SYMBOL(pcmcia_access_configuration_register);
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;
/* 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) {
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);
* 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)
+__pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
+ irq_handler_t handler)
{
int ret;
return ret;
} /* pcmcia_request_exclusive_irq */
-EXPORT_SYMBOL(pcmcia_request_exclusive_irq);
+EXPORT_SYMBOL(__pcmcia_request_exclusive_irq);
#ifdef CONFIG_PCMCIA_PROBE
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);
-
git.openpandora.org / pandora-kernel.git / blobdiff