static int mmc_bus_probe(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
struct mmc_card *card = dev_to_mmc_card(dev);
return drv->probe(card);
}
static int
mmc_bus_hotplug(struct device *dev, char **envp, int num_envp, char *buf,
int buf_size)
{
struct mmc_card *card = dev_to_mmc_card(dev);
char ccc[13];
int i = 0;
#define add_env(fmt,val) \
({ \
int len, ret = -ENOMEM; \
if (i < num_envp) { \
envp[i++] = buf; \
len = snprintf(buf, buf_size, fmt, val) + 1; \
buf_size -= len; \
buf += len; \
if (buf_size >= 0) \
ret = 0; \
} \
ret; \
})
for (i = 0; i < 12; i++)
ccc[i] = card->csd.cmdclass & (1 << i) ? '1' : '0';
ccc[12] = '\0';
i = 0;
add_env("MMC_CCC=%s", ccc);
add_env("MMC_MANFID=%06x", card->cid.manfid);
add_env("MMC_NAME=%s", mmc_card_name(card));
add_env("MMC_OEMID=%04x", card->cid.oemid);
return 0;
}
static int
mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct mmc_card *card = dev_to_mmc_card(dev);
const char *type;
int retval = 0;
switch (card->type) {
case MMC_TYPE_MMC:
type = "MMC";
break;
case MMC_TYPE_SD:
type = "SD";
break;
case MMC_TYPE_SDIO:
type = "SDIO";
break;
default:
type = NULL;
}
if (type) {
retval = add_uevent_var(env, "MMC_TYPE=%s", type);
if (retval)
return retval;
}
retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
return retval;
}
static int
mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
int buf_size)
{
struct mmc_card *card = dev_to_mmc_card(dev);
int retval = 0, i = 0, length = 0;
#define add_env(fmt,val) do { \
retval = add_uevent_var(envp, num_envp, &i, \
buf, buf_size, &length, \
fmt, val); \
if (retval) \
return retval; \
} while (0);
switch (card->type) {
case MMC_TYPE_MMC:
add_env("MMC_TYPE=%s", "MMC");
break;
case MMC_TYPE_SD:
add_env("MMC_TYPE=%s", "SD");
break;
}
add_env("MMC_NAME=%s", mmc_card_name(card));
#undef add_env
envp[i] = NULL;
return 0;
}
static int mmc_bus_remove(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
struct mmc_card *card = dev_to_mmc_card(dev);
drv->remove(card);
return 0;
}
static int mmc_bus_resume(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
struct mmc_card *card = dev_to_mmc_card(dev);
int ret = 0;
if (dev->driver && drv->resume)
ret = drv->resume(card);
return ret;
}
static int mmc_bus_suspend(struct device *dev, pm_message_t state)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
struct mmc_card *card = dev_to_mmc_card(dev);
int ret = 0;
if (dev->driver && drv->suspend)
ret = drv->suspend(card, state);
return ret;
}
static void mmc_release_card(struct device *dev)
{
struct mmc_card *card = dev_to_mmc_card(dev);
sdio_free_common_cis(card);
if (card->info)
kfree(card->info);
kfree(card);
}
static ssize_t mmc_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mmc_card *card = dev_to_mmc_card(dev);
switch (card->type) {
case MMC_TYPE_MMC:
return sprintf(buf, "MMC\n");
case MMC_TYPE_SD:
return sprintf(buf, "SD\n");
default:
return -EFAULT;
}
}
static int
mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct mmc_card *card = dev_to_mmc_card(dev);
const char *type;
int retval = 0;
switch (card->type) {
case MMC_TYPE_MMC:
type = "MMC";
break;
case MMC_TYPE_SD:
type = "SD";
break;
case MMC_TYPE_SDIO:
type = "SDIO";
break;
case MMC_TYPE_SD_COMBO:
type = "SDcombo";
break;
default:
type = NULL;
}
if (type) {
retval = add_uevent_var(env, "MMC_TYPE=%s", type);
if (retval)
return retval;
}
retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
if (retval)
return retval;
/*
* Request the mmc_block device. Note: that this is a direct request
* for the module it carries no information as to what is inserted.
*/
retval = add_uevent_var(env, "MODALIAS=mmc:block");
return retval;
}
static int mmc_runtime_resume(struct device *dev)
{
struct mmc_card *card = dev_to_mmc_card(dev);
return mmc_power_restore_host(card->host);
}
static int mmc_runtime_suspend(struct device *dev)
{
struct mmc_card *card = dev_to_mmc_card(dev);
return mmc_power_save_host(card->host);
}
/*
* This currently matches any MMC driver to any MMC card - drivers
* themselves make the decision whether to drive this card in their
* probe method. However, we force "bad" cards to fail.
*/
static int mmc_bus_match(struct device *dev, struct device_driver *drv)
{
struct mmc_card *card = dev_to_mmc_card(dev);
return !mmc_card_bad(card);
}
static void mmc_release_card(struct device *dev)
{
struct mmc_card *card = dev_to_mmc_card(dev);
kfree(card);
}
