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Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-s3c/sdhci.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/sdhci.h b/arch/arm/mach-s3c/sdhci.h new file mode 100644 index 000000000..9f9d419e5 --- /dev/null +++ b/arch/arm/mach-s3c/sdhci.h @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * 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 + */ + +#ifndef __PLAT_S3C_SDHCI_H +#define __PLAT_S3C_SDHCI_H __FILE__ + +#include <linux/platform_data/mmc-sdhci-s3c.h> +#include "devs.h" + +/* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data + * @pd: The default platform data for this device. + * @set: Pointer to the platform data to fill in. + */ +extern void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd, + struct s3c_sdhci_platdata *set); + +/** + * 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 s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w); + +/* S3C2416 SDHCI setup */ + +#ifdef CONFIG_S3C2416_SETUP_SDHCI +static inline void s3c2416_default_sdhci0(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC + s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio; +#endif /* CONFIG_S3C_DEV_HSMMC */ +} + +static inline void s3c2416_default_sdhci1(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC1 + s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio; +#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 +static inline void s3c6400_default_sdhci0(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC + s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio; +#endif +} + +static inline void s3c6400_default_sdhci1(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC1 + s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio; +#endif +} + +static inline void s3c6400_default_sdhci2(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC2 + s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio; +#endif +} + +static inline void s3c6410_default_sdhci0(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC + s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio; +#endif +} + +static inline void s3c6410_default_sdhci1(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC1 + s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio; +#endif +} + +static inline void s3c6410_default_sdhci2(void) +{ +#ifdef CONFIG_S3C_DEV_HSMMC2 + s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio; +#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 */ + +static inline void s3c_sdhci_setname(int id, char *name) +{ + switch (id) { +#ifdef CONFIG_S3C_DEV_HSMMC + case 0: + s3c_device_hsmmc0.name = name; + break; +#endif +#ifdef CONFIG_S3C_DEV_HSMMC1 + case 1: + s3c_device_hsmmc1.name = name; + break; +#endif +#ifdef CONFIG_S3C_DEV_HSMMC2 + case 2: + s3c_device_hsmmc2.name = name; + break; +#endif +#ifdef CONFIG_S3C_DEV_HSMMC3 + case 3: + s3c_device_hsmmc3.name = name; + break; +#endif + default: + break; + } +} +#endif /* __PLAT_S3C_SDHCI_H */ |