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-rw-r--r--arch/arm/plat-samsung/include/plat/sdhci.h127
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 016674fa20d..30844c263d0 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 */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 23:02:12 +0000