[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / spi / max7301.h

#ifndef LINUX_SPI_MAX7301_H
#define LINUX_SPI_MAX7301_H

#include <linux/gpio.h>

/*
 * Some registers must be read back to modify.
 * To save time we cache them here in memory
 */
struct max7301 {
	struct mutex	lock;
	u8		port_config[8];	/* field 0 is unused */
	u32		out_level;	/* cached output levels */
	u32		input_pullup_active;
	struct gpio_chip chip;
	struct device *dev;
	int (*write)(struct device *dev, unsigned int reg, unsigned int val);
	int (*read)(struct device *dev, unsigned int reg);
};

struct max7301_platform_data {
	/* number assigned to the first GPIO */
	unsigned	base;
	/*
	 * bitmask controlling the pullup configuration,
	 *
	 * _note_ the 4 lowest bits are unused, because the first 4
	 * ports of the controller are not used, too.
	 */
	u32		input_pullup_active;
};

extern int __max730x_remove(struct device *dev);
extern int __max730x_probe(struct max7301 *ts);
#endif
Commit	Line	Data
0c36ec31 JB	1	#ifndef LINUX_SPI_MAX7301_H
	2	#define LINUX_SPI_MAX7301_H
	3
e952805d WS	4	#include <linux/gpio.h>
	5
	6	/*
	7	* Some registers must be read back to modify.
	8	* To save time we cache them here in memory
	9	*/
	10	struct max7301 {
	11	struct mutex lock;
	12	u8 port_config[8]; /* field 0 is unused */
	13	u32 out_level; /* cached output levels */
4a22b8a4	14	u32 input_pullup_active;
e952805d WS	15	struct gpio_chip chip;
	16	struct device *dev;
	17	int (write)(struct device dev, unsigned int reg, unsigned int val);
	18	int (read)(struct device dev, unsigned int reg);
	19	};
	20
0c36ec31 JB	21	struct max7301_platform_data {
	22	/* number assigned to the first GPIO */
	23	unsigned base;
4a22b8a4 MKB	24	/*
	25	* bitmask controlling the pullup configuration,
	26	*
	27	* _note_ the 4 lowest bits are unused, because the first 4
	28	* ports of the controller are not used, too.
	29	*/
	30	u32 input_pullup_active;
0c36ec31 JB	31	};
0c36ec31 JB	32
e952805d WS	33	extern int __max730x_remove(struct device *dev);
e952805d WS	34	extern int __max730x_probe(struct max7301 *ts);
0c36ec31	35	#endif