Commit | Line | Data |
---|---|---|
09d6292b JP |
1 | /* |
2 | * linux/include/linux/mfd/aat2870.h | |
3 | * | |
4 | * Copyright (c) 2011, NVIDIA Corporation. | |
5 | * Author: Jin Park <jinyoungp@nvidia.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * version 2 as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
19 | * 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #ifndef __LINUX_MFD_AAT2870_H | |
23 | #define __LINUX_MFD_AAT2870_H | |
24 | ||
25 | #include <linux/debugfs.h> | |
26 | #include <linux/i2c.h> | |
27 | ||
28 | /* Register offsets */ | |
29 | #define AAT2870_BL_CH_EN 0x00 | |
30 | #define AAT2870_BLM 0x01 | |
31 | #define AAT2870_BLS 0x02 | |
32 | #define AAT2870_BL1 0x03 | |
33 | #define AAT2870_BL2 0x04 | |
34 | #define AAT2870_BL3 0x05 | |
35 | #define AAT2870_BL4 0x06 | |
36 | #define AAT2870_BL5 0x07 | |
37 | #define AAT2870_BL6 0x08 | |
38 | #define AAT2870_BL7 0x09 | |
39 | #define AAT2870_BL8 0x0A | |
40 | #define AAT2870_FLR 0x0B | |
41 | #define AAT2870_FM 0x0C | |
42 | #define AAT2870_FS 0x0D | |
43 | #define AAT2870_ALS_CFG0 0x0E | |
44 | #define AAT2870_ALS_CFG1 0x0F | |
45 | #define AAT2870_ALS_CFG2 0x10 | |
46 | #define AAT2870_AMB 0x11 | |
47 | #define AAT2870_ALS0 0x12 | |
48 | #define AAT2870_ALS1 0x13 | |
49 | #define AAT2870_ALS2 0x14 | |
50 | #define AAT2870_ALS3 0x15 | |
51 | #define AAT2870_ALS4 0x16 | |
52 | #define AAT2870_ALS5 0x17 | |
53 | #define AAT2870_ALS6 0x18 | |
54 | #define AAT2870_ALS7 0x19 | |
55 | #define AAT2870_ALS8 0x1A | |
56 | #define AAT2870_ALS9 0x1B | |
57 | #define AAT2870_ALSA 0x1C | |
58 | #define AAT2870_ALSB 0x1D | |
59 | #define AAT2870_ALSC 0x1E | |
60 | #define AAT2870_ALSD 0x1F | |
61 | #define AAT2870_ALSE 0x20 | |
62 | #define AAT2870_ALSF 0x21 | |
63 | #define AAT2870_SUB_SET 0x22 | |
64 | #define AAT2870_SUB_CTRL 0x23 | |
65 | #define AAT2870_LDO_AB 0x24 | |
66 | #define AAT2870_LDO_CD 0x25 | |
67 | #define AAT2870_LDO_EN 0x26 | |
68 | #define AAT2870_REG_NUM 0x27 | |
69 | ||
70 | /* Device IDs */ | |
71 | enum aat2870_id { | |
72 | AAT2870_ID_BL, | |
73 | AAT2870_ID_LDOA, | |
74 | AAT2870_ID_LDOB, | |
75 | AAT2870_ID_LDOC, | |
76 | AAT2870_ID_LDOD | |
77 | }; | |
78 | ||
79 | /* Backlight channels */ | |
80 | #define AAT2870_BL_CH1 0x01 | |
81 | #define AAT2870_BL_CH2 0x02 | |
82 | #define AAT2870_BL_CH3 0x04 | |
83 | #define AAT2870_BL_CH4 0x08 | |
84 | #define AAT2870_BL_CH5 0x10 | |
85 | #define AAT2870_BL_CH6 0x20 | |
86 | #define AAT2870_BL_CH7 0x40 | |
87 | #define AAT2870_BL_CH8 0x80 | |
88 | #define AAT2870_BL_CH_ALL 0xFF | |
89 | ||
90 | /* Backlight current magnitude (mA) */ | |
91 | enum aat2870_current { | |
5d6f921b | 92 | AAT2870_CURRENT_0_45 = 1, |
09d6292b JP |
93 | AAT2870_CURRENT_0_90, |
94 | AAT2870_CURRENT_1_80, | |
95 | AAT2870_CURRENT_2_70, | |
96 | AAT2870_CURRENT_3_60, | |
97 | AAT2870_CURRENT_4_50, | |
98 | AAT2870_CURRENT_5_40, | |
99 | AAT2870_CURRENT_6_30, | |
100 | AAT2870_CURRENT_7_20, | |
101 | AAT2870_CURRENT_8_10, | |
102 | AAT2870_CURRENT_9_00, | |
103 | AAT2870_CURRENT_9_90, | |
104 | AAT2870_CURRENT_10_8, | |
105 | AAT2870_CURRENT_11_7, | |
106 | AAT2870_CURRENT_12_6, | |
107 | AAT2870_CURRENT_13_5, | |
108 | AAT2870_CURRENT_14_4, | |
109 | AAT2870_CURRENT_15_3, | |
110 | AAT2870_CURRENT_16_2, | |
111 | AAT2870_CURRENT_17_1, | |
112 | AAT2870_CURRENT_18_0, | |
113 | AAT2870_CURRENT_18_9, | |
114 | AAT2870_CURRENT_19_8, | |
115 | AAT2870_CURRENT_20_7, | |
116 | AAT2870_CURRENT_21_6, | |
117 | AAT2870_CURRENT_22_5, | |
118 | AAT2870_CURRENT_23_4, | |
119 | AAT2870_CURRENT_24_3, | |
120 | AAT2870_CURRENT_25_2, | |
121 | AAT2870_CURRENT_26_1, | |
122 | AAT2870_CURRENT_27_0, | |
123 | AAT2870_CURRENT_27_9 | |
124 | }; | |
125 | ||
126 | struct aat2870_register { | |
127 | bool readable; | |
128 | bool writeable; | |
129 | u8 value; | |
130 | }; | |
131 | ||
132 | struct aat2870_data { | |
133 | struct device *dev; | |
134 | struct i2c_client *client; | |
135 | ||
136 | struct mutex io_lock; | |
137 | struct aat2870_register *reg_cache; /* register cache */ | |
138 | int en_pin; /* enable GPIO pin (if < 0, ignore this value) */ | |
139 | bool is_enable; | |
140 | ||
141 | /* init and uninit for platform specified */ | |
142 | int (*init)(struct aat2870_data *aat2870); | |
143 | void (*uninit)(struct aat2870_data *aat2870); | |
144 | ||
145 | /* i2c io funcntions */ | |
146 | int (*read)(struct aat2870_data *aat2870, u8 addr, u8 *val); | |
147 | int (*write)(struct aat2870_data *aat2870, u8 addr, u8 val); | |
148 | int (*update)(struct aat2870_data *aat2870, u8 addr, u8 mask, u8 val); | |
149 | ||
150 | /* for debugfs */ | |
151 | struct dentry *dentry_root; | |
152 | struct dentry *dentry_reg; | |
153 | }; | |
154 | ||
155 | struct aat2870_subdev_info { | |
156 | int id; | |
157 | const char *name; | |
158 | void *platform_data; | |
159 | }; | |
160 | ||
161 | struct aat2870_platform_data { | |
162 | int en_pin; /* enable GPIO pin (if < 0, ignore this value) */ | |
163 | ||
164 | struct aat2870_subdev_info *subdevs; | |
165 | int num_subdevs; | |
166 | ||
167 | /* init and uninit for platform specified */ | |
168 | int (*init)(struct aat2870_data *aat2870); | |
169 | void (*uninit)(struct aat2870_data *aat2870); | |
170 | }; | |
171 | ||
172 | struct aat2870_bl_platform_data { | |
173 | /* backlight channels, default is AAT2870_BL_CH_ALL */ | |
174 | int channels; | |
175 | /* backlight current magnitude, default is AAT2870_CURRENT_27_9 */ | |
176 | int max_current; | |
177 | /* maximum brightness, default is 255 */ | |
178 | int max_brightness; | |
179 | }; | |
180 | ||
181 | #endif /* __LINUX_MFD_AAT2870_H */ |