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htc-pasic3.h
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1 /*
2  * HTC PASIC3 driver - LEDs and DS1WM
3  *
4  * Copyright (c) 2007 Philipp Zabel <[email protected]>
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;
41 };
42 
44  unsigned int num_leds;
45  unsigned int power_gpio;
46  struct pasic3_led *leds;
47 };
48 
51  unsigned int clock_rate;
52 };
53 
54 #endif