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kernel_samsung_sm7125/arch/arm/plat-samsung/include/plat/sdhci.h

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4.6 KiB

/* 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__
#include <linux/platform_data/mmc-sdhci-s3c.h>
#include <plat/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 */