diff --git a/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c index a58c0cc7ba5e..4a42ede99025 100644 --- a/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c +++ b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c @@ -19,9 +19,11 @@ #include #include +#include void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; unsigned int end; @@ -33,12 +35,15 @@ void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); } - s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2)); + } } void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; unsigned int end; @@ -50,8 +55,10 @@ void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); } - s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); + } } void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) diff --git a/arch/arm/mach-s5pc100/setup-sdhci-gpio.c b/arch/arm/mach-s5pc100/setup-sdhci-gpio.c index 7769c760c9ef..dc7208c639ea 100644 --- a/arch/arm/mach-s5pc100/setup-sdhci-gpio.c +++ b/arch/arm/mach-s5pc100/setup-sdhci-gpio.c @@ -20,9 +20,11 @@ #include #include +#include void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; unsigned int end; unsigned int num; @@ -47,12 +49,15 @@ void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) } } - s3c_gpio_setpull(S5PC100_GPG1(2), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S5PC100_GPG1(2), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S5PC100_GPG1(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PC100_GPG1(2), S3C_GPIO_SFN(2)); + } } void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; unsigned int end; @@ -64,12 +69,15 @@ void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); } - s3c_gpio_setpull(S5PC100_GPG2(6), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S5PC100_GPG2(6), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S5PC100_GPG2(6), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PC100_GPG2(6), S3C_GPIO_SFN(2)); + } } void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; unsigned int end; @@ -81,6 +89,8 @@ void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); } - s3c_gpio_setpull(S5PC100_GPG3(6), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S5PC100_GPG3(6), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S5PC100_GPG3(6), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PC100_GPG3(6), S3C_GPIO_SFN(2)); + } } diff --git a/arch/arm/mach-s5pv210/setup-sdhci-gpio.c b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c index fe7d86dad14c..b3ad2439e34b 100644 --- a/arch/arm/mach-s5pv210/setup-sdhci-gpio.c +++ b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c @@ -21,9 +21,11 @@ #include #include #include +#include void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; /* Set all the necessary GPG0/GPG1 pins to special-function 2 */ @@ -48,12 +50,15 @@ void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) break; } - s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2)); + } } void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; /* Set all the necessary GPG1[0:1] pins to special-function 2 */ @@ -68,12 +73,15 @@ void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); } - s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2)); + } } void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) { + struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; unsigned int gpio; /* Set all the necessary GPG2[0:1] pins to special-function 2 */ @@ -99,6 +107,8 @@ void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) break; } - s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP); - s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2)); + if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { + s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2)); + } } diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c index 4c05b39810e2..b0f93f11e281 100644 --- a/arch/arm/plat-samsung/dev-hsmmc.c +++ b/arch/arm/plat-samsung/dev-hsmmc.c @@ -60,6 +60,11 @@ void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd) struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata; set->max_width = pd->max_width; + set->cd_type = pd->cd_type; + set->ext_cd_init = pd->ext_cd_init; + set->ext_cd_cleanup = pd->ext_cd_cleanup; + set->ext_cd_gpio = pd->ext_cd_gpio; + set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert; if (pd->cfg_gpio) set->cfg_gpio = pd->cfg_gpio; diff --git a/arch/arm/plat-samsung/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c index e49bc4cd0ee6..1504fd802865 100644 --- a/arch/arm/plat-samsung/dev-hsmmc1.c +++ b/arch/arm/plat-samsung/dev-hsmmc1.c @@ -60,6 +60,11 @@ void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd) struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata; set->max_width = pd->max_width; + set->cd_type = pd->cd_type; + set->ext_cd_init = pd->ext_cd_init; + set->ext_cd_cleanup = pd->ext_cd_cleanup; + set->ext_cd_gpio = pd->ext_cd_gpio; + set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert; if (pd->cfg_gpio) set->cfg_gpio = pd->cfg_gpio; diff --git a/arch/arm/plat-samsung/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c index 824580bc0e06..b28ef173444d 100644 --- a/arch/arm/plat-samsung/dev-hsmmc2.c +++ b/arch/arm/plat-samsung/dev-hsmmc2.c @@ -61,6 +61,11 @@ void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd) struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata; set->max_width = pd->max_width; + set->cd_type = pd->cd_type; + set->ext_cd_init = pd->ext_cd_init; + set->ext_cd_cleanup = pd->ext_cd_cleanup; + set->ext_cd_gpio = pd->ext_cd_gpio; + set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert; if (pd->cfg_gpio) set->cfg_gpio = pd->cfg_gpio; diff --git a/arch/arm/plat-samsung/dev-hsmmc3.c b/arch/arm/plat-samsung/dev-hsmmc3.c index 57bd394123cd..85aaf0f2842f 100644 --- a/arch/arm/plat-samsung/dev-hsmmc3.c +++ b/arch/arm/plat-samsung/dev-hsmmc3.c @@ -64,6 +64,11 @@ void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd) struct s3c_sdhci_platdata *set = &s3c_hsmmc3_def_platdata; set->max_width = pd->max_width; + set->cd_type = pd->cd_type; + set->ext_cd_init = pd->ext_cd_init; + set->ext_cd_cleanup = pd->ext_cd_cleanup; + set->ext_cd_gpio = pd->ext_cd_gpio; + set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert; if (pd->cfg_gpio) set->cfg_gpio = pd->cfg_gpio; diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index 3994a875473b..3880cc736a98 100644 --- a/arch/arm/plat-samsung/include/plat/sdhci.h +++ b/arch/arm/plat-samsung/include/plat/sdhci.h @@ -20,10 +20,31 @@ struct mmc_host; struct mmc_card; struct mmc_ios; +enum cd_types { + S3C_SDHCI_CD_INTERNAL, /* use mmc internal CD line */ + S3C_SDHCI_CD_EXTERNAL, /* use external callback */ + S3C_SDHCI_CD_GPIO, /* use external gpio pin for CD line */ + S3C_SDHCI_CD_NONE, /* no CD line, use polling to detect card */ + S3C_SDHCI_CD_PERMANENT, /* no CD line, card permanently wired to host */ +}; + /** * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI * @max_width: The maximum number of data bits supported. * @host_caps: Standard MMC host capabilities bit field. + * @cd_type: Type of Card Detection method (see cd_types enum above) + * @ext_cd_init: Initialize external card detect subsystem. Called on + * sdhci-s3c driver probe when cd_type == S3C_SDHCI_CD_EXTERNAL. + * notify_func argument is a callback to the sdhci-s3c driver + * that triggers the card detection event. Callback arguments: + * dev is pointer to platform device of the host controller, + * state is new state of the card (0 - removed, 1 - inserted). + * @ext_cd_cleanup: Cleanup external card detect subsystem. Called on + * sdhci-s3c driver remove when cd_type == S3C_SDHCI_CD_EXTERNAL. + * notify_func argument is the same callback as for ext_cd_init. + * @ext_cd_gpio: gpio pin used for external CD line, valid only if + * cd_type == S3C_SDHCI_CD_GPIO + * @ext_cd_gpio_invert: invert values for external CD gpio line * @cfg_gpio: Configure the GPIO for a specific card bit-width * @cfg_card: Configure the interface for a specific card and speed. This * is necessary the controllers and/or GPIO blocks require the @@ -37,9 +58,17 @@ struct mmc_ios; struct s3c_sdhci_platdata { unsigned int max_width; unsigned int host_caps; + enum cd_types cd_type; char **clocks; /* set of clock sources */ + int ext_cd_gpio; + bool ext_cd_gpio_invert; + int (*ext_cd_init)(void (*notify_func)(struct platform_device *, + int state)); + int (*ext_cd_cleanup)(void (*notify_func)(struct platform_device *, + int state)); + void (*cfg_gpio)(struct platform_device *dev, int width); void (*cfg_card)(struct platform_device *dev, void __iomem *regbase,