[mirror_ubuntu-artful-kernel.git] / include / linux / amba / mmci.h

/*
 *  include/linux/amba/mmci.h
 */
#ifndef AMBA_MMCI_H
#define AMBA_MMCI_H

#include <linux/mmc/host.h>

/**
 * struct mmci_platform_data - platform configuration for the MMCI
 * (also known as PL180) block.
 * @ocr_mask: available voltages on the 4 pins from the block, this
 * is ignored if a regulator is used, see the MMC_VDD_* masks in
 * mmc/host.h
 * @ios_handler: a callback function to act on specfic ios changes,
 * used for example to control a levelshifter
 * mask into a value to be binary (or set some other custom bits
 * in MMCIPWR) or:ed and written into the MMCIPWR register of the
 * block.  May also control external power based on the power_mode.
 * @status: if no GPIO read function was given to the block in
 * gpio_wp (below) this function will be called to determine
 * whether a card is present in the MMC slot or not
 * @gpio_wp: read this GPIO pin to see if the card is write protected
 * @gpio_cd: read this GPIO pin to detect card insertion
 * @cd_invert: true if the gpio_cd pin value is active low
 */
struct mmci_platform_data {
	unsigned int ocr_mask;
	int (*ios_handler)(struct device *, struct mmc_ios *);
	unsigned int (*status)(struct device *);
	int	gpio_wp;
	int	gpio_cd;
	bool	cd_invert;
};

#endif
Commit	Line	Data
1da177e4	1	/*
6ef297f8	2	* include/linux/amba/mmci.h
1da177e4	3	*/
6ef297f8 LW	4	#ifndef AMBA_MMCI_H
6ef297f8 LW	5	#define AMBA_MMCI_H
1da177e4	6
f74d132c	7	#include <linux/mmc/host.h>
1da177e4	8
808d97cc LW	9	/**
	10	* struct mmci_platform_data - platform configuration for the MMCI
	11	* (also known as PL180) block.
808d97cc LW	12	* @ocr_mask: available voltages on the 4 pins from the block, this
	13	* is ignored if a regulator is used, see the MMC_VDD_* masks in
	14	* mmc/host.h
bc521818 UH	15	* @ios_handler: a callback function to act on specfic ios changes,
bc521818 UH	16	* used for example to control a levelshifter
bb8f563c RV	17	* mask into a value to be binary (or set some other custom bits
	18	* in MMCIPWR) or:ed and written into the MMCIPWR register of the
	19	* block. May also control external power based on the power_mode.
808d97cc LW	20	* @status: if no GPIO read function was given to the block in
	21	* gpio_wp (below) this function will be called to determine
	22	* whether a card is present in the MMC slot or not
	23	* @gpio_wp: read this GPIO pin to see if the card is write protected
	24	* @gpio_cd: read this GPIO pin to detect card insertion
29719445	25	* @cd_invert: true if the gpio_cd pin value is active low
808d97cc	26	*/
6ef297f8	27	struct mmci_platform_data {
808d97cc	28	unsigned int ocr_mask;
bc521818	29	int (ios_handler)(struct device , struct mmc_ios *);
1da177e4	30	unsigned int (status)(struct device );
7fb2bbf4 RK	31	int gpio_wp;
7fb2bbf4 RK	32	int gpio_cd;
29719445	33	bool cd_invert;
1da177e4 LT	34	};
	35
	36	#endif