/*
* Register a new MMC card with the driver model.
*/
int mmc_add_card(struct mmc_card *card)
{
int ret;
const char *type;
const char *uhs_bus_speed_mode = "";
static const char *const uhs_speeds[] = {
[UHS_SDR12_BUS_SPEED] = "SDR12 ",
[UHS_SDR25_BUS_SPEED] = "SDR25 ",
[UHS_SDR50_BUS_SPEED] = "SDR50 ",
[UHS_SDR104_BUS_SPEED] = "SDR104 ",
[UHS_DDR50_BUS_SPEED] = "DDR50 ",
};
dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
switch (card->type) {
case MMC_TYPE_MMC:
type = "MMC";
break;
case MMC_TYPE_SD:
type = "SD";
if (mmc_card_blockaddr(card)) {
if (mmc_card_ext_capacity(card))
type = "SDXC";
else
type = "SDHC";
}
break;
case MMC_TYPE_SDIO:
type = "SDIO";
break;
case MMC_TYPE_SD_COMBO:
type = "SD-combo";
if (mmc_card_blockaddr(card))
type = "SDHC-combo";
break;
default:
type = "?";
break;
}
if (mmc_sd_card_uhs(card) &&
(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
mmc_card_highspeed(card) ? "high speed " : "",
mmc_card_ddr_mode(card) ? "DDR " : "",
type);
} else {
EMMCSD_LOG_INFO("%s: new %s%s%s%s%s%s card at address %04x\n",
mmc_hostname(card->host),
mmc_card_uhs(card) ? "ultra high speed " :
(mmc_card_highspeed(card) ? "high speed " : ""),
(mmc_card_hs400(card) ? "HS400 " : ""),
(mmc_card_hs200(card) ? "HS200 " : ""),
mmc_card_ddr_mode(card) ? "DDR " : "",
uhs_bus_speed_mode, type, card->rca);
}
#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
#endif
mmc_init_context_info(card->host);
ret = pm_runtime_set_active(&card->dev);
if (ret)
pr_err("%s: %s: failed setting runtime active: ret: %d\n",
mmc_hostname(card->host), __func__, ret);
else if (!mmc_card_sdio(card) && mmc_use_core_runtime_pm(card->host))
pm_runtime_enable(&card->dev);
if (mmc_card_sdio(card)) {
ret = device_init_wakeup(&card->dev, true);
if (ret)
pr_err("%s: %s: failed to init wakeup: %d\n",
mmc_hostname(card->host), __func__, ret);
}
ret = device_add(&card->dev);
if (ret)
return ret;
device_enable_async_suspend(&card->dev);
if (mmc_use_core_runtime_pm(card->host) && !mmc_card_sdio(card)) {
card->rpm_attrib.show = show_rpm_delay;
card->rpm_attrib.store = store_rpm_delay;
sysfs_attr_init(&card->rpm_attrib.attr);
card->rpm_attrib.attr.name = "runtime_pm_timeout";
card->rpm_attrib.attr.mode = S_IRUGO | S_IWUSR;
ret = device_create_file(&card->dev, &card->rpm_attrib);
if (ret)
pr_err("%s: %s: creating runtime pm sysfs entry: failed: %d\n",
mmc_hostname(card->host), __func__, ret);
/* Default timeout is 10 seconds */
card->idle_timeout = RUNTIME_SUSPEND_DELAY_MS;
}
mmc_card_set_present(card);
return 0;
}
/*
* Select the PowerClass for the current bus width
* If power class is defined for 4/8 bit bus in the
* extended CSD register, select it by executing the
* mmc_switch command.
*/
static int mmc_select_powerclass(struct mmc_card *card,
unsigned int bus_width, u8 *ext_csd)
{
int err = 0;
unsigned int pwrclass_val;
unsigned int index = 0;
struct mmc_host *host;
BUG_ON(!card);
host = card->host;
BUG_ON(!host);
if (ext_csd == NULL)
return 0;
/* Power class selection is supported for versions >= 4.0 */
if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
return 0;
/* Power class values are defined only for 4/8 bit bus */
if (bus_width == EXT_CSD_BUS_WIDTH_1)
return 0;
switch (1 << host->ios.vdd) {
case MMC_VDD_165_195:
if (host->ios.clock <= 26000000)
index = EXT_CSD_PWR_CL_26_195;
else if (host->ios.clock <= 52000000)
index = (bus_width <= EXT_CSD_BUS_WIDTH_8) ?
EXT_CSD_PWR_CL_52_195 :
EXT_CSD_PWR_CL_DDR_52_195;
else if (host->ios.clock <= 200000000) {
if (mmc_card_hs400(card))
index = EXT_CSD_PWR_CL_200_DDR_195;
else
index = EXT_CSD_PWR_CL_200_195;
}
break;
case MMC_VDD_27_28:
case MMC_VDD_28_29:
case MMC_VDD_29_30:
case MMC_VDD_30_31:
case MMC_VDD_31_32:
case MMC_VDD_32_33:
case MMC_VDD_33_34:
case MMC_VDD_34_35:
case MMC_VDD_35_36:
if (host->ios.clock <= 26000000)
index = EXT_CSD_PWR_CL_26_360;
else if (host->ios.clock <= 52000000)
index = (bus_width <= EXT_CSD_BUS_WIDTH_8) ?
EXT_CSD_PWR_CL_52_360 :
EXT_CSD_PWR_CL_DDR_52_360;
else if (host->ios.clock <= 200000000)
index = EXT_CSD_PWR_CL_200_360;
break;
default:
pr_warning("%s: Voltage range not supported "
"for power class.\n", mmc_hostname(host));
return -EINVAL;
}
pwrclass_val = ext_csd[index];
if (bus_width & (EXT_CSD_BUS_WIDTH_8 | EXT_CSD_DDR_BUS_WIDTH_8))
pwrclass_val = (pwrclass_val & EXT_CSD_PWR_CL_8BIT_MASK) >>
EXT_CSD_PWR_CL_8BIT_SHIFT;
else
/*
* Register a new MMC card with the driver model.
*/
int mmc_add_card(struct mmc_card *card)
{
int ret, width;
const char *type;
const char *uhs_bus_speed_mode = "";
struct mmc_host *mmc = card->host;
static const char *const uhs_speeds[] = {
[UHS_SDR12_BUS_SPEED] = "SDR12 ",
[UHS_SDR25_BUS_SPEED] = "SDR25 ",
[UHS_SDR50_BUS_SPEED] = "SDR50 ",
[UHS_SDR104_BUS_SPEED] = "SDR104 ",
[UHS_DDR50_BUS_SPEED] = "DDR50 ",
};
dev_set_name(&card->dev, "%s:%04x",
mmc_hostname(card->host), card->rca);
switch (card->type) {
case MMC_TYPE_MMC:
type = "MMC";
break;
case MMC_TYPE_SD:
type = "SD";
if (mmc_card_blockaddr(card)) {
if (mmc_card_ext_capacity(card))
type = "SDXC";
else
type = "SDHC";
}
break;
case MMC_TYPE_SDIO:
type = "SDIO";
break;
case MMC_TYPE_SD_COMBO:
type = "SD-combo";
if (mmc_card_blockaddr(card))
type = "SDHC-combo";
break;
default:
type = "?";
break;
}
if (mmc_card_uhs(card) &&
(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
mmc_card_hs(card) ? "high speed " : "",
mmc_card_ddr52(card) ? "DDR " : "",
type);
} else {
switch (mmc->ios.bus_width) {
case MMC_BUS_WIDTH_1:
width = 1;
break;
case MMC_BUS_WIDTH_4:
width = 4;
break;
case MMC_BUS_WIDTH_8:
width = 8;
break;
default:
width = -1;
break;
}
pr_info("%s: new %s%s%s%s%s card at address %04x\n",
mmc_hostname(card->host),
mmc_card_uhs(card) ? "ultra high speed " :
(mmc_card_hs(card) ? "high speed " : ""),
mmc_card_hs400(card) ? "HS400 " :
(mmc_card_hs200(card) ? "HS200 " : ""),
mmc_card_ddr52(card) ? "DDR " : "",
uhs_bus_speed_mode, type, card->rca);
pr_info("%s: clock %d, %u-bit-bus-width\n ",
mmc_hostname(card->host), mmc->actual_clock, width);
}
#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
#endif
mmc_init_context_info(card->host);
ret = device_add(&card->dev);
if (ret)
return ret;
mmc_card_set_present(card);
return 0;
}
/*
* Register a new MMC card with the driver model.
*/
int mmc_add_card(struct mmc_card *card)
{
int ret;
const char *type;
const char *uhs_bus_speed_mode = "";
static const char *const uhs_speeds[] = {
[UHS_SDR12_BUS_SPEED] = "SDR12 ",
[UHS_SDR25_BUS_SPEED] = "SDR25 ",
[UHS_SDR50_BUS_SPEED] = "SDR50 ",
[UHS_SDR104_BUS_SPEED] = "SDR104 ",
[UHS_DDR50_BUS_SPEED] = "DDR50 ",
};
dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
switch (card->type) {
case MMC_TYPE_MMC:
type = "MMC";
break;
case MMC_TYPE_SD:
type = "SD";
if (mmc_card_blockaddr(card)) {
if (mmc_card_ext_capacity(card))
type = "SDXC";
else
type = "SDHC";
}
break;
case MMC_TYPE_SDIO:
type = "SDIO";
break;
case MMC_TYPE_SD_COMBO:
type = "SD-combo";
if (mmc_card_blockaddr(card))
type = "SDHC-combo";
break;
default:
type = "?";
break;
}
if (mmc_card_uhs(card) &&
(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
mmc_card_hs(card) ? "high speed " : "",
mmc_card_ddr52(card) ? "DDR " : "",
type);
} else {
pr_info("%s: new %s%s%s%s%s card at address %04x\n",
mmc_hostname(card->host),
mmc_card_uhs(card) ? "ultra high speed " :
(mmc_card_hs(card) ? "high speed " : ""),
mmc_card_hs400(card) ? "HS400 " :
(mmc_card_hs200(card) ? "HS200 " : ""),
mmc_card_ddr52(card) ? "DDR " : "",
uhs_bus_speed_mode, type, card->rca);
}
#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
#endif
mmc_init_context_info(card->host);
card->dev.of_node = mmc_of_find_child_device(card->host, 0);
device_enable_async_suspend(&card->dev);
ret = device_add(&card->dev);
if (ret)
return ret;
mmc_card_set_present(card);
return 0;
}
/*
* Register a new MMC card with the driver model.
*/
int mmc_add_card(struct mmc_card *card)
{
int ret;
const char *type;
const char *uhs_bus_speed_mode = "";
static const char *const uhs_speeds[] = {
[UHS_SDR12_BUS_SPEED] = "SDR12 ",
[UHS_SDR25_BUS_SPEED] = "SDR25 ",
[UHS_SDR50_BUS_SPEED] = "SDR50 ",
[UHS_SDR104_BUS_SPEED] = "SDR104 ",
[UHS_DDR50_BUS_SPEED] = "DDR50 ",
};
dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
switch (card->type) {
case MMC_TYPE_MMC:
type = "MMC";
break;
case MMC_TYPE_SD:
type = "SD";
if (mmc_card_blockaddr(card)) {
if (mmc_card_ext_capacity(card))
type = "SDXC";
else
type = "SDHC";
}
break;
case MMC_TYPE_SDIO:
type = "SDIO";
break;
case MMC_TYPE_SD_COMBO:
type = "SD-combo";
if (mmc_card_blockaddr(card))
type = "SDHC-combo";
break;
default:
type = "?";
break;
}
if (mmc_sd_card_uhs(card) &&
(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
mmc_card_highspeed(card) ? "high speed " : "",
mmc_card_ddr_mode(card) ? "DDR " : "",
type);
} else {
pr_info("%s: new %s%s%s%s%s%s card at address %04x\n",
mmc_hostname(card->host),
mmc_card_uhs(card) ? "ultra high speed " :
(mmc_card_highspeed(card) ? "high speed " : ""),
(mmc_card_hs400(card) ? "HS400 " : ""),
(mmc_card_hs200(card) ? "HS200 " : ""),
mmc_card_ddr_mode(card) ? "DDR " : "",
uhs_bus_speed_mode, type, card->rca);
}
#ifdef CONFIG_MACH_LGE
/* LGE_CHANGE
* Adding Print for more information.
* 2014-09-01, [email protected]
*/
printk(KERN_INFO "[LGE][MMC][%-18s( )] mmc_hostname:%s, type:%s\n", __func__, mmc_hostname(card->host), type);
#endif
#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
#endif
mmc_init_context_info(card->host);
ret = pm_runtime_set_active(&card->dev);
if (ret)
pr_err("%s: %s: failed setting runtime active: ret: %d\n",
mmc_hostname(card->host), __func__, ret);
else if (!mmc_card_sdio(card) && mmc_use_core_runtime_pm(card->host))
pm_runtime_enable(&card->dev);
if (mmc_card_sdio(card)) {
ret = device_init_wakeup(&card->dev, true);
if (ret)
pr_err("%s: %s: failed to init wakeup: %d\n",
mmc_hostname(card->host), __func__, ret);
}
ret = device_add(&card->dev);
#ifdef CONFIG_MACH_LGE
/* LGE_CHANGE
* Adding Print for more information.
* 2014-09-01, [email protected]
*/
if (ret) {
printk(KERN_INFO "[LGE][MMC][%-18s( )] device_add & uevent posting fail!, ret:%d \n", __func__, ret);
return ret;
} else {
printk(KERN_INFO "[LGE][MMC][%-18s( )] device_add & uevent posting complete!\n", __func__);
}
#else
if (ret)
return ret;
#endif
device_enable_async_suspend(&card->dev);
#if defined(CONFIG_BCMDHD) || defined (CONFIG_BCMDHD_MODULE)
if (!strcmp(mmc_hostname(card->host), "mmc2")){
device_disable_async_suspend(&card->dev);
pr_err("%s: %s: device_disable_async_suspend\n", mmc_hostname(card->host),__func__);
}
#endif
if (mmc_use_core_runtime_pm(card->host) && !mmc_card_sdio(card)) {
card->rpm_attrib.show = show_rpm_delay;
card->rpm_attrib.store = store_rpm_delay;
sysfs_attr_init(&card->rpm_attrib.attr);
card->rpm_attrib.attr.name = "runtime_pm_timeout";
card->rpm_attrib.attr.mode = S_IRUGO | S_IWUSR;
ret = device_create_file(&card->dev, &card->rpm_attrib);
if (ret)
pr_err("%s: %s: creating runtime pm sysfs entry: failed: %d\n",
mmc_hostname(card->host), __func__, ret);
/* Default timeout is 10 seconds */
card->idle_timeout = RUNTIME_SUSPEND_DELAY_MS;
}
mmc_card_set_present(card);
return 0;
}