149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
|
/* linux/arch/arm/plat-s3c/include/plat/sdhci.h
|
||
|
|
*
|
||
|
|
* 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;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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.
|
||
|
|
* @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 dependant 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;
|
||
|
|
|
||
|
|
char **clocks; /* set of clock sources */
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
|
||
|
|
/* Helper function availablity */
|
||
|
|
|
||
|
|
extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
|
||
|
|
extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
|
||
|
|
|
||
|
|
/* S3C6400 SDHCI setup */
|
||
|
|
|
||
|
|
#ifdef CONFIG_S3C6400_SETUP_SDHCI
|
||
|
|
extern char *s3c6400_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,
|
||
|
|
struct mmc_card *card);
|
||
|
|
|
||
|
|
static inline void s3c6400_default_sdhci0(void)
|
||
|
|
{
|
||
|
|
s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
|
||
|
|
s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
|
||
|
|
s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
|
||
|
|
}
|
||
|
|
|
||
|
|
#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)
|
||
|
|
{
|
||
|
|
s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
|
||
|
|
s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
|
||
|
|
s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
static inline void s3c6400_default_sdhci1(void) { }
|
||
|
|
#endif /* CONFIG_S3C_DEV_HSMMC1 */
|
||
|
|
|
||
|
|
#else
|
||
|
|
static inline void s3c6400_default_sdhci0(void) { }
|
||
|
|
static inline void s3c6400_default_sdhci1(void) { }
|
||
|
|
#endif /* CONFIG_S3C6400_SETUP_SDHCI */
|
||
|
|
|
||
|
|
/* S3C6410 SDHCI setup */
|
||
|
|
|
||
|
|
#ifdef CONFIG_S3C6410_SETUP_SDHCI
|
||
|
|
extern char *s3c6410_hsmmc_clksrcs[4];
|
||
|
|
|
||
|
|
extern void s3c6410_setup_sdhci0_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)
|
||
|
|
{
|
||
|
|
s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
|
||
|
|
s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
|
||
|
|
s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
|
||
|
|
}
|
||
|
|
#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)
|
||
|
|
{
|
||
|
|
s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
|
||
|
|
s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
|
||
|
|
s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
static inline void s3c6410_default_sdhci1(void) { }
|
||
|
|
#endif /* CONFIG_S3C_DEV_HSMMC1 */
|
||
|
|
|
||
|
|
#else
|
||
|
|
static inline void s3c6410_default_sdhci0(void) { }
|
||
|
|
static inline void s3c6410_default_sdhci1(void) { }
|
||
|
|
#endif /* CONFIG_S3C6410_SETUP_SDHCI */
|
||
|
|
|
||
|
|
#endif /* __PLAT_S3C_SDHCI_H */
|