| /* linux/arch/arm/plat-samsung/include/plat/sdhci.h |
| * |
| * Copyright (c) 2011 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com |
| * |
| * Copyright 2008 Openmoko, Inc. |
| * Copyright 2008 Simtec Electronics |
| * http://armlinux.simtec.co.uk/ |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * S3C Platform - SDHCI (HSMMC) platform data definitions |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __PLAT_S3C_SDHCI_H |
| #define __PLAT_S3C_SDHCI_H __FILE__ |
| |
| struct platform_device; |
| 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 */ |
| }; |
| |
| enum clk_types { |
| S3C_SDHCI_CLK_DIV_INTERNAL, /* use mmc internal clock divider */ |
| S3C_SDHCI_CLK_DIV_EXTERNAL, /* use external clock divider */ |
| }; |
| |
| /** |
| * 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) |
| * @clk_type: Type of clock divider method (see clk_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 |
| * changing of driver-strength and other controls dependent on |
| * the card and speed of operation. |
| * |
| * Initialisation data specific to either the machine or the platform |
| * for the device driver to use or call-back when configuring gpio or |
| * card speed information. |
| */ |
| struct s3c_sdhci_platdata { |
| unsigned int max_width; |
| unsigned int host_caps; |
| enum cd_types cd_type; |
| enum clk_types clk_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, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| }; |
| |
| /** |
| * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device. |
| * @pd: Platform data to register to device. |
| * |
| * Register the given platform data for use withe S3C SDHCI device. |
| * The call will copy the platform data, so the board definitions can |
| * make the structure itself __initdata. |
| */ |
| 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. |
| */ |
| |
| 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 availability */ |
| |
| extern void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *, int w); |
| extern void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *, int w); |
| extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w); |
| extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w); |
| extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w); |
| extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w); |
| extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w); |
| 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); |
| extern void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *, int w); |
| extern void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *, int w); |
| extern void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *, int w); |
| extern void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *, int w); |
| |
| /* S3C2416 SDHCI setup */ |
| |
| #ifdef CONFIG_S3C2416_SETUP_SDHCI |
| extern char *s3c2416_hsmmc_clksrcs[4]; |
| |
| extern void s3c2416_setup_sdhci_cfg_card(struct platform_device *dev, |
| void __iomem *r, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| |
| static inline void s3c2416_default_sdhci0(void) |
| { |
| #ifdef CONFIG_S3C_DEV_HSMMC |
| s3c_hsmmc0_def_platdata.clocks = s3c2416_hsmmc_clksrcs; |
| s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio; |
| s3c_hsmmc0_def_platdata.cfg_card = s3c2416_setup_sdhci_cfg_card; |
| #endif /* CONFIG_S3C_DEV_HSMMC */ |
| } |
| |
| static inline void s3c2416_default_sdhci1(void) |
| { |
| #ifdef CONFIG_S3C_DEV_HSMMC1 |
| s3c_hsmmc1_def_platdata.clocks = s3c2416_hsmmc_clksrcs; |
| s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio; |
| s3c_hsmmc1_def_platdata.cfg_card = s3c2416_setup_sdhci_cfg_card; |
| #endif /* CONFIG_S3C_DEV_HSMMC1 */ |
| } |
| |
| #else |
| static inline void s3c2416_default_sdhci0(void) { } |
| static inline void s3c2416_default_sdhci1(void) { } |
| |
| #endif /* CONFIG_S3C2416_SETUP_SDHCI */ |
| /* S3C64XX SDHCI setup */ |
| |
| #ifdef CONFIG_S3C64XX_SETUP_SDHCI |
| extern char *s3c64xx_hsmmc_clksrcs[4]; |
| |
| extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev, |
| void __iomem *r, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| |
| 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 |
| } |
| |
| 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 |
| } |
| |
| 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 |
| } |
| |
| extern void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev, |
| void __iomem *r, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| |
| 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 |
| } |
| |
| 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 |
| } |
| |
| 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_sdhci0(void) { } |
| static inline void s3c6410_default_sdhci1(void) { } |
| static inline void s3c6410_default_sdhci2(void) { } |
| static inline void s3c6400_default_sdhci0(void) { } |
| static inline void s3c6400_default_sdhci1(void) { } |
| static inline void s3c6400_default_sdhci2(void) { } |
| |
| #endif /* CONFIG_S3C64XX_SETUP_SDHCI */ |
| |
| /* S5PC100 SDHCI setup */ |
| |
| #ifdef CONFIG_S5PC100_SETUP_SDHCI |
| extern char *s5pc100_hsmmc_clksrcs[4]; |
| |
| extern void s5pc100_setup_sdhci0_cfg_card(struct platform_device *dev, |
| void __iomem *r, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| |
| 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 |
| } |
| |
| 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 |
| } |
| |
| 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_sdhci0(void) { } |
| static inline void s5pc100_default_sdhci1(void) { } |
| static inline void s5pc100_default_sdhci2(void) { } |
| |
| #endif /* CONFIG_S5PC100_SETUP_SDHCI */ |
| |
| /* S5PV210 SDHCI setup */ |
| |
| #ifdef CONFIG_S5PV210_SETUP_SDHCI |
| extern char *s5pv210_hsmmc_clksrcs[4]; |
| |
| extern void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev, |
| void __iomem *r, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| |
| 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 |
| } |
| |
| 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 |
| } |
| |
| 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_sdhci0(void) { } |
| static inline void s5pv210_default_sdhci1(void) { } |
| static inline void s5pv210_default_sdhci2(void) { } |
| static inline void s5pv210_default_sdhci3(void) { } |
| |
| #endif /* CONFIG_S5PV210_SETUP_SDHCI */ |
| |
| /* EXYNOS4 SDHCI setup */ |
| #ifdef CONFIG_EXYNOS4_SETUP_SDHCI |
| extern char *exynos4_hsmmc_clksrcs[4]; |
| |
| extern void exynos4_setup_sdhci_cfg_card(struct platform_device *dev, |
| void __iomem *r, |
| struct mmc_ios *ios, |
| struct mmc_card *card); |
| |
| static inline void exynos4_default_sdhci0(void) |
| { |
| #ifdef CONFIG_S3C_DEV_HSMMC |
| s3c_hsmmc0_def_platdata.clocks = exynos4_hsmmc_clksrcs; |
| s3c_hsmmc0_def_platdata.cfg_gpio = exynos4_setup_sdhci0_cfg_gpio; |
| s3c_hsmmc0_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card; |
| #endif |
| } |
| |
| static inline void exynos4_default_sdhci1(void) |
| { |
| #ifdef CONFIG_S3C_DEV_HSMMC1 |
| s3c_hsmmc1_def_platdata.clocks = exynos4_hsmmc_clksrcs; |
| s3c_hsmmc1_def_platdata.cfg_gpio = exynos4_setup_sdhci1_cfg_gpio; |
| s3c_hsmmc1_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card; |
| #endif |
| } |
| |
| static inline void exynos4_default_sdhci2(void) |
| { |
| #ifdef CONFIG_S3C_DEV_HSMMC2 |
| s3c_hsmmc2_def_platdata.clocks = exynos4_hsmmc_clksrcs; |
| s3c_hsmmc2_def_platdata.cfg_gpio = exynos4_setup_sdhci2_cfg_gpio; |
| s3c_hsmmc2_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card; |
| #endif |
| } |
| |
| static inline void exynos4_default_sdhci3(void) |
| { |
| #ifdef CONFIG_S3C_DEV_HSMMC3 |
| s3c_hsmmc3_def_platdata.clocks = exynos4_hsmmc_clksrcs; |
| s3c_hsmmc3_def_platdata.cfg_gpio = exynos4_setup_sdhci3_cfg_gpio; |
| s3c_hsmmc3_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card; |
| #endif |
| } |
| |
| #else |
| static inline void exynos4_default_sdhci0(void) { } |
| static inline void exynos4_default_sdhci1(void) { } |
| static inline void exynos4_default_sdhci2(void) { } |
| static inline void exynos4_default_sdhci3(void) { } |
| |
| #endif /* CONFIG_EXYNOS4_SETUP_SDHCI */ |
| |
| #endif /* __PLAT_S3C_SDHCI_H */ |
