History

backlight: move lp855x header into platform_data directory

The lp855x header is used only in the platform side, so it can be moved into platform_data directory

Kim, Milo committed 14 years ago

Commit f7f95051 parent a1fcb2e2 files · +1 −1Browse files

Showing the changes to include/linux/platform_data (1 of 2 files). Show all

Unified · Split

include/linux/platform_data/lp855x.h+125−0
@@ -0,0 +1,125 @@
1+/*
2+ * LP855x Backlight Driver
3+ *
4+ * Copyright (C) 2011 Texas Instruments
5+ *
6+ * This program is free software; you can redistribute it and/or modify
7+ * it under the terms of the GNU General Public License version 2 as
8+ * published by the Free Software Foundation.
9+ *
10+ */
11+
12+#ifndef _LP855X_H
13+#define _LP855X_H
14+
15+#define BL_CTL_SHFT (0)
16+#define BRT_MODE_SHFT (1)
17+#define BRT_MODE_MASK (0x06)
18+
19+/* Enable backlight. Only valid when BRT_MODE=10(I2C only) */
20+#define ENABLE_BL (1)
21+#define DISABLE_BL (0)
22+
23+#define I2C_CONFIG(id) id ## _I2C_CONFIG
24+#define PWM_CONFIG(id) id ## _PWM_CONFIG
25+
26+/* DEVICE CONTROL register - LP8550 */
27+#define LP8550_PWM_CONFIG (LP8550_PWM_ONLY << BRT_MODE_SHFT)
28+#define LP8550_I2C_CONFIG ((ENABLE_BL << BL_CTL_SHFT) | \
29+ (LP8550_I2C_ONLY << BRT_MODE_SHFT))
30+
31+/* DEVICE CONTROL register - LP8551 */
32+#define LP8551_PWM_CONFIG LP8550_PWM_CONFIG
33+#define LP8551_I2C_CONFIG LP8550_I2C_CONFIG
34+
35+/* DEVICE CONTROL register - LP8552 */
36+#define LP8552_PWM_CONFIG LP8550_PWM_CONFIG
37+#define LP8552_I2C_CONFIG LP8550_I2C_CONFIG
38+
39+/* DEVICE CONTROL register - LP8553 */
40+#define LP8553_PWM_CONFIG LP8550_PWM_CONFIG
41+#define LP8553_I2C_CONFIG LP8550_I2C_CONFIG
42+
43+/* DEVICE CONTROL register - LP8556 */
44+#define LP8556_PWM_CONFIG (LP8556_PWM_ONLY << BRT_MODE_SHFT)
45+#define LP8556_COMB1_CONFIG (LP8556_COMBINED1 << BRT_MODE_SHFT)
46+#define LP8556_I2C_CONFIG ((ENABLE_BL << BL_CTL_SHFT) | \
47+ (LP8556_I2C_ONLY << BRT_MODE_SHFT))
48+#define LP8556_COMB2_CONFIG (LP8556_COMBINED2 << BRT_MODE_SHFT)
49+
50+enum lp855x_chip_id {
51+ LP8550,
52+ LP8551,
53+ LP8552,
54+ LP8553,
55+ LP8556,
56+};
57+
58+enum lp855x_brightness_ctrl_mode {
59+ PWM_BASED = 1,
60+ REGISTER_BASED,
61+};
62+
63+enum lp8550_brighntess_source {
64+ LP8550_PWM_ONLY,
65+ LP8550_I2C_ONLY = 2,
66+};
67+
68+enum lp8551_brighntess_source {
69+ LP8551_PWM_ONLY = LP8550_PWM_ONLY,
70+ LP8551_I2C_ONLY = LP8550_I2C_ONLY,
71+};
72+
73+enum lp8552_brighntess_source {
74+ LP8552_PWM_ONLY = LP8550_PWM_ONLY,
75+ LP8552_I2C_ONLY = LP8550_I2C_ONLY,
76+};
77+
78+enum lp8553_brighntess_source {
79+ LP8553_PWM_ONLY = LP8550_PWM_ONLY,
80+ LP8553_I2C_ONLY = LP8550_I2C_ONLY,
81+};
82+
83+enum lp8556_brightness_source {
84+ LP8556_PWM_ONLY,
85+ LP8556_COMBINED1, /* pwm + i2c before the shaper block */
86+ LP8556_I2C_ONLY,
87+ LP8556_COMBINED2, /* pwm + i2c after the shaper block */
88+};
89+
90+struct lp855x_pwm_data {
91+ void (*pwm_set_intensity) (int brightness, int max_brightness);
92+ int (*pwm_get_intensity) (int max_brightness);
93+};
94+
95+struct lp855x_rom_data {
96+ u8 addr;
97+ u8 val;
98+};
99+
100+/**
101+ * struct lp855x_platform_data
102+ * @name : Backlight driver name. If it is not defined, default name is set.
103+ * @mode : brightness control by pwm or lp855x register
104+ * @device_control : value of DEVICE CONTROL register
105+ * @initial_brightness : initial value of backlight brightness
106+ * @pwm_data : platform specific pwm generation functions.
107+ Only valid when mode is PWM_BASED.
108+ * @load_new_rom_data :
109+ 0 : use default configuration data
110+ 1 : update values of eeprom or eprom registers on loading driver
111+ * @size_program : total size of lp855x_rom_data
112+ * @rom_data : list of new eeprom/eprom registers
113+ */
114+struct lp855x_platform_data {
115+ char *name;
116+ enum lp855x_brightness_ctrl_mode mode;
117+ u8 device_control;
118+ int initial_brightness;
119+ struct lp855x_pwm_data pwm_data;
120+ u8 load_new_rom_data;
121+ int size_program;
122+ struct lp855x_rom_data *rom_data;
123+};
124+
125+#endif