diff options
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/sdhci.h')
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/sdhci.h | 127 |
1 files changed, 70 insertions, 57 deletions
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index 016674fa20dd..30844c263d03 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, @@ -58,6 +87,7 @@ struct s3c_sdhci_platdata { extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd); extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd); +extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd); /* Default platform data, exported so that per-cpu initialisation can * set the correct one when there are more than one cpu type selected. @@ -66,6 +96,7 @@ extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd); extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata; extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata; extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata; +extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata; /* Helper function availablity */ @@ -78,13 +109,13 @@ extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w); extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w); extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w); extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w); +extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w); -/* S3C6400 SDHCI setup */ +/* S3C64XX SDHCI setup */ #ifdef CONFIG_S3C64XX_SETUP_SDHCI extern char *s3c64xx_hsmmc_clksrcs[4]; -#ifdef CONFIG_S3C_DEV_HSMMC extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev, void __iomem *r, struct mmc_ios *ios, @@ -92,76 +123,62 @@ extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev, static inline void s3c6400_default_sdhci0(void) { +#ifdef CONFIG_S3C_DEV_HSMMC s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs; s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card; +#endif } -#else -static inline void s3c6400_default_sdhci0(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC */ - -#ifdef CONFIG_S3C_DEV_HSMMC1 static inline void s3c6400_default_sdhci1(void) { +#ifdef CONFIG_S3C_DEV_HSMMC1 s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs; s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card; +#endif } -#else -static inline void s3c6400_default_sdhci1(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC1 */ -#ifdef CONFIG_S3C_DEV_HSMMC2 static inline void s3c6400_default_sdhci2(void) { +#ifdef CONFIG_S3C_DEV_HSMMC2 s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs; s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio; s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card; +#endif } -#else -static inline void s3c6400_default_sdhci2(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC2 */ - -/* S3C6410 SDHCI setup */ extern void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev, void __iomem *r, struct mmc_ios *ios, struct mmc_card *card); -#ifdef CONFIG_S3C_DEV_HSMMC static inline void s3c6410_default_sdhci0(void) { +#ifdef CONFIG_S3C_DEV_HSMMC s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs; s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card; +#endif } -#else -static inline void s3c6410_default_sdhci0(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC */ -#ifdef CONFIG_S3C_DEV_HSMMC1 static inline void s3c6410_default_sdhci1(void) { +#ifdef CONFIG_S3C_DEV_HSMMC1 s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs; s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card; +#endif } -#else -static inline void s3c6410_default_sdhci1(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC1 */ -#ifdef CONFIG_S3C_DEV_HSMMC2 static inline void s3c6410_default_sdhci2(void) { +#ifdef CONFIG_S3C_DEV_HSMMC2 s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs; s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio; s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card; +#endif } -#else -static inline void s3c6410_default_sdhci2(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC2 */ #else static inline void s3c6410_default_sdhci0(void) { } @@ -183,48 +200,42 @@ extern void s5pc100_setup_sdhci0_cfg_card(struct platform_device *dev, struct mmc_ios *ios, struct mmc_card *card); -#ifdef CONFIG_S3C_DEV_HSMMC static inline void s5pc100_default_sdhci0(void) { +#ifdef CONFIG_S3C_DEV_HSMMC s3c_hsmmc0_def_platdata.clocks = s5pc100_hsmmc_clksrcs; s3c_hsmmc0_def_platdata.cfg_gpio = s5pc100_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card; +#endif } -#else -static inline void s5pc100_default_sdhci0(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC */ -#ifdef CONFIG_S3C_DEV_HSMMC1 static inline void s5pc100_default_sdhci1(void) { +#ifdef CONFIG_S3C_DEV_HSMMC1 s3c_hsmmc1_def_platdata.clocks = s5pc100_hsmmc_clksrcs; s3c_hsmmc1_def_platdata.cfg_gpio = s5pc100_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card; +#endif } -#else -static inline void s5pc100_default_sdhci1(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC1 */ -#ifdef CONFIG_S3C_DEV_HSMMC2 static inline void s5pc100_default_sdhci2(void) { +#ifdef CONFIG_S3C_DEV_HSMMC2 s3c_hsmmc2_def_platdata.clocks = s5pc100_hsmmc_clksrcs; s3c_hsmmc2_def_platdata.cfg_gpio = s5pc100_setup_sdhci2_cfg_gpio; s3c_hsmmc2_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card; +#endif } -#else -static inline void s5pc100_default_sdhci2(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC1 */ - #else static inline void s5pc100_default_sdhci0(void) { } static inline void s5pc100_default_sdhci1(void) { } static inline void s5pc100_default_sdhci2(void) { } + #endif /* CONFIG_S5PC100_SETUP_SDHCI */ +/* S5PV210 SDHCI setup */ -/* S5PC110 SDHCI setup */ #ifdef CONFIG_S5PV210_SETUP_SDHCI extern char *s5pv210_hsmmc_clksrcs[4]; @@ -233,46 +244,48 @@ extern void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev, struct mmc_ios *ios, struct mmc_card *card); -#ifdef CONFIG_S3C_DEV_HSMMC static inline void s5pv210_default_sdhci0(void) { +#ifdef CONFIG_S3C_DEV_HSMMC s3c_hsmmc0_def_platdata.clocks = s5pv210_hsmmc_clksrcs; s3c_hsmmc0_def_platdata.cfg_gpio = s5pv210_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card; +#endif } -#else -static inline void s5pv210_default_sdhci0(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC */ -#ifdef CONFIG_S3C_DEV_HSMMC1 static inline void s5pv210_default_sdhci1(void) { +#ifdef CONFIG_S3C_DEV_HSMMC1 s3c_hsmmc1_def_platdata.clocks = s5pv210_hsmmc_clksrcs; s3c_hsmmc1_def_platdata.cfg_gpio = s5pv210_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card; +#endif } -#else -static inline void s5pv210_default_sdhci1(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC1 */ -#ifdef CONFIG_S3C_DEV_HSMMC2 static inline void s5pv210_default_sdhci2(void) { +#ifdef CONFIG_S3C_DEV_HSMMC2 s3c_hsmmc2_def_platdata.clocks = s5pv210_hsmmc_clksrcs; s3c_hsmmc2_def_platdata.cfg_gpio = s5pv210_setup_sdhci2_cfg_gpio; s3c_hsmmc2_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card; +#endif +} + +static inline void s5pv210_default_sdhci3(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC3 + s3c_hsmmc3_def_platdata.clocks = s5pv210_hsmmc_clksrcs; + s3c_hsmmc3_def_platdata.cfg_gpio = s5pv210_setup_sdhci3_cfg_gpio; + s3c_hsmmc3_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card; +#endif } -#else -static inline void s5pv210_default_sdhci2(void) { } -#endif /* CONFIG_S3C_DEV_HSMMC2 */ #else static inline void s5pv210_default_sdhci0(void) { } static inline void s5pv210_default_sdhci1(void) { } static inline void s5pv210_default_sdhci2(void) { } -#endif /* CONFIG_S5PC100_SETUP_SDHCI */ - - +static inline void s5pv210_default_sdhci3(void) { } +#endif /* CONFIG_S5PV210_SETUP_SDHCI */ #endif /* __PLAT_S3C_SDHCI_H */ |