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

   1/*
   2 * HTC PASIC3 driver - LEDs and DS1WM
   3 *
   4 * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
   5 *
   6 * This file is subject to the terms and conditions of the GNU General Public
   7 * License.  See the file COPYING in the main directory of this archive for
   8 * more details.
   9 *
  10 */
  11
  12#ifndef __PASIC3_H
  13#define __PASIC3_H
  14
  15#include <linux/platform_device.h>
  16#include <linux/leds.h>
  17
  18extern void pasic3_write_register(struct device *dev, u32 reg, u8 val);
  19extern u8 pasic3_read_register(struct device *dev, u32 reg);
  20
  21/*
  22 * mask for registers 0x20,0x21,0x22
  23 */
  24#define PASIC3_MASK_LED0 0x04
  25#define PASIC3_MASK_LED1 0x08
  26#define PASIC3_MASK_LED2 0x40
  27
  28/*
  29 * bits in register 0x06
  30 */
  31#define PASIC3_BIT2_LED0 0x08
  32#define PASIC3_BIT2_LED1 0x10
  33#define PASIC3_BIT2_LED2 0x20
  34
  35struct pasic3_led {
  36        struct led_classdev         led;
  37        unsigned int                hw_num;
  38        unsigned int                bit2;
  39        unsigned int                mask;
  40        struct pasic3_leds_machinfo *pdata;
  41};
  42
  43struct pasic3_leds_machinfo {
  44        unsigned int      num_leds;
  45        unsigned int      power_gpio;
  46        struct pasic3_led *leds;
  47};
  48
  49struct pasic3_platform_data {
  50        struct pasic3_leds_machinfo *led_pdata;
  51        unsigned int                 clock_rate;
  52};
  53
  54#endif
  55