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Diffstat (limited to 'include/linux/i2c/adp8860.h')
-rw-r--r-- | include/linux/i2c/adp8860.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/include/linux/i2c/adp8860.h b/include/linux/i2c/adp8860.h new file mode 100644 index 000000000000..0b4d39855c91 --- /dev/null +++ b/include/linux/i2c/adp8860.h | |||
@@ -0,0 +1,154 @@ | |||
1 | /* | ||
2 | * Definitions and platform data for Analog Devices | ||
3 | * Backlight drivers ADP8860 | ||
4 | * | ||
5 | * Copyright 2009-2010 Analog Devices Inc. | ||
6 | * | ||
7 | * Licensed under the GPL-2 or later. | ||
8 | */ | ||
9 | |||
10 | #ifndef __LINUX_I2C_ADP8860_H | ||
11 | #define __LINUX_I2C_ADP8860_H | ||
12 | |||
13 | #include <linux/leds.h> | ||
14 | #include <linux/types.h> | ||
15 | |||
16 | #define ID_ADP8860 8860 | ||
17 | |||
18 | #define ADP8860_MAX_BRIGHTNESS 0x7F | ||
19 | #define FLAG_OFFT_SHIFT 8 | ||
20 | |||
21 | /* | ||
22 | * LEDs subdevice platform data | ||
23 | */ | ||
24 | |||
25 | #define ADP8860_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) | ||
26 | #define ADP8860_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) | ||
27 | #define ADP8860_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) | ||
28 | #define ADP8860_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) | ||
29 | |||
30 | #define ADP8860_LED_ONT_200ms 0 | ||
31 | #define ADP8860_LED_ONT_600ms 1 | ||
32 | #define ADP8860_LED_ONT_800ms 2 | ||
33 | #define ADP8860_LED_ONT_1200ms 3 | ||
34 | |||
35 | #define ADP8860_LED_D7 (7) | ||
36 | #define ADP8860_LED_D6 (6) | ||
37 | #define ADP8860_LED_D5 (5) | ||
38 | #define ADP8860_LED_D4 (4) | ||
39 | #define ADP8860_LED_D3 (3) | ||
40 | #define ADP8860_LED_D2 (2) | ||
41 | #define ADP8860_LED_D1 (1) | ||
42 | |||
43 | /* | ||
44 | * Backlight subdevice platform data | ||
45 | */ | ||
46 | |||
47 | #define ADP8860_BL_D7 (1 << 6) | ||
48 | #define ADP8860_BL_D6 (1 << 5) | ||
49 | #define ADP8860_BL_D5 (1 << 4) | ||
50 | #define ADP8860_BL_D4 (1 << 3) | ||
51 | #define ADP8860_BL_D3 (1 << 2) | ||
52 | #define ADP8860_BL_D2 (1 << 1) | ||
53 | #define ADP8860_BL_D1 (1 << 0) | ||
54 | |||
55 | #define ADP8860_FADE_T_DIS 0 /* Fade Timer Disabled */ | ||
56 | #define ADP8860_FADE_T_300ms 1 /* 0.3 Sec */ | ||
57 | #define ADP8860_FADE_T_600ms 2 | ||
58 | #define ADP8860_FADE_T_900ms 3 | ||
59 | #define ADP8860_FADE_T_1200ms 4 | ||
60 | #define ADP8860_FADE_T_1500ms 5 | ||
61 | #define ADP8860_FADE_T_1800ms 6 | ||
62 | #define ADP8860_FADE_T_2100ms 7 | ||
63 | #define ADP8860_FADE_T_2400ms 8 | ||
64 | #define ADP8860_FADE_T_2700ms 9 | ||
65 | #define ADP8860_FADE_T_3000ms 10 | ||
66 | #define ADP8860_FADE_T_3500ms 11 | ||
67 | #define ADP8860_FADE_T_4000ms 12 | ||
68 | #define ADP8860_FADE_T_4500ms 13 | ||
69 | #define ADP8860_FADE_T_5000ms 14 | ||
70 | #define ADP8860_FADE_T_5500ms 15 /* 5.5 Sec */ | ||
71 | |||
72 | #define ADP8860_FADE_LAW_LINEAR 0 | ||
73 | #define ADP8860_FADE_LAW_SQUARE 1 | ||
74 | #define ADP8860_FADE_LAW_CUBIC1 2 | ||
75 | #define ADP8860_FADE_LAW_CUBIC2 3 | ||
76 | |||
77 | #define ADP8860_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ | ||
78 | #define ADP8860_BL_AMBL_FILT_160ms 1 | ||
79 | #define ADP8860_BL_AMBL_FILT_320ms 2 | ||
80 | #define ADP8860_BL_AMBL_FILT_640ms 3 | ||
81 | #define ADP8860_BL_AMBL_FILT_1280ms 4 | ||
82 | #define ADP8860_BL_AMBL_FILT_2560ms 5 | ||
83 | #define ADP8860_BL_AMBL_FILT_5120ms 6 | ||
84 | #define ADP8860_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ | ||
85 | |||
86 | /* | ||
87 | * Blacklight current 0..30mA | ||
88 | */ | ||
89 | #define ADP8860_BL_CUR_mA(I) ((I * 127) / 30) | ||
90 | |||
91 | /* | ||
92 | * L2 comparator current 0..1106uA | ||
93 | */ | ||
94 | #define ADP8860_L2_COMP_CURR_uA(I) ((I * 255) / 1106) | ||
95 | |||
96 | /* | ||
97 | * L3 comparator current 0..138uA | ||
98 | */ | ||
99 | #define ADP8860_L3_COMP_CURR_uA(I) ((I * 255) / 138) | ||
100 | |||
101 | struct adp8860_backlight_platform_data { | ||
102 | u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ | ||
103 | |||
104 | u8 bl_fade_in; /* Backlight Fade-In Timer */ | ||
105 | u8 bl_fade_out; /* Backlight Fade-Out Timer */ | ||
106 | u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */ | ||
107 | |||
108 | u8 en_ambl_sens; /* 1 = enable ambient light sensor */ | ||
109 | u8 abml_filt; /* Light sensor filter time */ | ||
110 | |||
111 | u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ | ||
112 | u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ | ||
113 | u8 l2_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ | ||
114 | u8 l2_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ | ||
115 | u8 l3_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ | ||
116 | u8 l3_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ | ||
117 | |||
118 | u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ | ||
119 | u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ | ||
120 | u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ | ||
121 | u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ | ||
122 | |||
123 | /** | ||
124 | * Independent Current Sinks / LEDS | ||
125 | * Sinks not assigned to the Backlight can be exposed to | ||
126 | * user space using the LEDS CLASS interface | ||
127 | */ | ||
128 | |||
129 | int num_leds; | ||
130 | struct led_info *leds; | ||
131 | u8 led_fade_in; /* LED Fade-In Timer */ | ||
132 | u8 led_fade_out; /* LED Fade-Out Timer */ | ||
133 | u8 led_fade_law; /* fade-on/fade-off transfer characteristic */ | ||
134 | u8 led_on_time; | ||
135 | |||
136 | /** | ||
137 | * Gain down disable. Setting this option does not allow the | ||
138 | * charge pump to switch to lower gains. NOT AVAILABLE on ADP8860 | ||
139 | * 1 = the charge pump doesn't switch down in gain until all LEDs are 0. | ||
140 | * The charge pump switches up in gain as needed. This feature is | ||
141 | * useful if the ADP8863 charge pump is used to drive an external load. | ||
142 | * This feature must be used when utilizing small fly capacitors | ||
143 | * (0402 or smaller). | ||
144 | * 0 = the charge pump automatically switches up and down in gain. | ||
145 | * This provides optimal efficiency, but is not suitable for driving | ||
146 | * loads that are not connected through the ADP8863 diode drivers. | ||
147 | * Additionally, the charge pump fly capacitors should be low ESR | ||
148 | * and sized 0603 or greater. | ||
149 | */ | ||
150 | |||
151 | u8 gdwn_dis; | ||
152 | }; | ||
153 | |||
154 | #endif /* __LINUX_I2C_ADP8860_H */ | ||