linux/mfd/htc-pasic3.h

0001 /*
0002  * HTC PASIC3 driver - LEDs and DS1WM
0003  *
0004  * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com>
0005  *
0006  * This file is subject to the terms and conditions of the GNU General Public
0007  * License.  See the file COPYING in the main directory of this archive for
0008  * more details.
0009  *
0010  */
0011
0012 #ifndef __PASIC3_H
0013 #define __PASIC3_H
0014
0015 #include <linux/platform_device.h>
0016 #include <linux/leds.h>
0017
0018 extern void pasic3_write_register(struct device *dev, u32 reg, u8 val);
0019 extern u8 pasic3_read_register(struct device *dev, u32 reg);
0020
0021 /*
0022  * mask for registers 0x20,0x21,0x22
0023  */
0024 #define PASIC3_MASK_LED0 0x04
0025 #define PASIC3_MASK_LED1 0x08
0026 #define PASIC3_MASK_LED2 0x40
0027
0028 /*
0029  * bits in register 0x06
0030  */
0031 #define PASIC3_BIT2_LED0 0x08
0032 #define PASIC3_BIT2_LED1 0x10
0033 #define PASIC3_BIT2_LED2 0x20
0034
0035 struct pasic3_led {
0036     struct led_classdev         led;
0037     unsigned int                hw_num;
0038     unsigned int                bit2;
0039     unsigned int                mask;
0040     struct pasic3_leds_machinfo *pdata;
0041 };
0042
0043 struct pasic3_leds_machinfo {
0044     unsigned int      num_leds;
0045     unsigned int      power_gpio;
0046     struct pasic3_led *leds;
0047 };
0048
0049 struct pasic3_platform_data {
0050     struct pasic3_leds_machinfo *led_pdata;
0051     unsigned int                 clock_rate;
0052 };
0053
0054 #endif