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
  18 extern void pasic3_write_register(struct device *dev, u32 reg, u8 val);
  19 extern 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
  35 struct 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
  43 struct pasic3_leds_machinfo {
  44         unsigned int      num_leds;
  45         unsigned int      power_gpio;
  46         struct pasic3_led *leds;
  47 };
  48
  49 struct pasic3_platform_data {
  50         struct pasic3_leds_machinfo *led_pdata;
  51         unsigned int                 clock_rate;
  52 };
  53
  54 #endif