linux-sg2042/include/linux/mfd/htc-pasic3.h

56 lines
1.2 KiB
C

/*
* HTC PASIC3 driver - LEDs and DS1WM
*
* Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
*/
#ifndef __PASIC3_H
#define __PASIC3_H
#include <linux/platform_device.h>
#include <linux/leds.h>
extern void pasic3_write_register(struct device *dev, u32 reg, u8 val);
extern u8 pasic3_read_register(struct device *dev, u32 reg);
/*
* mask for registers 0x20,0x21,0x22
*/
#define PASIC3_MASK_LED0 0x04
#define PASIC3_MASK_LED1 0x08
#define PASIC3_MASK_LED2 0x40
/*
* bits in register 0x06
*/
#define PASIC3_BIT2_LED0 0x08
#define PASIC3_BIT2_LED1 0x10
#define PASIC3_BIT2_LED2 0x20
struct pasic3_led {
struct led_classdev led;
unsigned int hw_num;
unsigned int bit2;
unsigned int mask;
struct pasic3_leds_machinfo *pdata;
};
struct pasic3_leds_machinfo {
unsigned int num_leds;
unsigned int power_gpio;
struct pasic3_led *leds;
};
struct pasic3_platform_data {
struct pasic3_leds_machinfo *led_pdata;
unsigned int bus_shift;
unsigned int clock_rate;
};
#endif