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adp8870.h
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1 /*
2  * Definitions and platform data for Analog Devices
3  * Backlight drivers ADP8870
4  *
5  * Copyright 2009-2010 Analog Devices Inc.
6  *
7  * Licensed under the GPL-2 or later.
8  */
9 
10 #ifndef __LINUX_I2C_ADP8870_H
11 #define __LINUX_I2C_ADP8870_H
12 
13 #define ID_ADP8870 8870
14 
15 #define ADP8870_MAX_BRIGHTNESS 0x7F
16 #define FLAG_OFFT_SHIFT 8
17 
18 /*
19  * LEDs subdevice platform data
20  */
21 
22 #define ADP8870_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT)
23 #define ADP8870_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT)
24 #define ADP8870_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT)
25 #define ADP8870_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT)
26 
27 #define ADP8870_LED_ONT_200ms 0
28 #define ADP8870_LED_ONT_600ms 1
29 #define ADP8870_LED_ONT_800ms 2
30 #define ADP8870_LED_ONT_1200ms 3
31 
32 #define ADP8870_LED_D7 (7)
33 #define ADP8870_LED_D6 (6)
34 #define ADP8870_LED_D5 (5)
35 #define ADP8870_LED_D4 (4)
36 #define ADP8870_LED_D3 (3)
37 #define ADP8870_LED_D2 (2)
38 #define ADP8870_LED_D1 (1)
39 
40 /*
41  * Backlight subdevice platform data
42  */
43 
44 #define ADP8870_BL_D7 (1 << 6)
45 #define ADP8870_BL_D6 (1 << 5)
46 #define ADP8870_BL_D5 (1 << 4)
47 #define ADP8870_BL_D4 (1 << 3)
48 #define ADP8870_BL_D3 (1 << 2)
49 #define ADP8870_BL_D2 (1 << 1)
50 #define ADP8870_BL_D1 (1 << 0)
51 
52 #define ADP8870_FADE_T_DIS 0 /* Fade Timer Disabled */
53 #define ADP8870_FADE_T_300ms 1 /* 0.3 Sec */
54 #define ADP8870_FADE_T_600ms 2
55 #define ADP8870_FADE_T_900ms 3
56 #define ADP8870_FADE_T_1200ms 4
57 #define ADP8870_FADE_T_1500ms 5
58 #define ADP8870_FADE_T_1800ms 6
59 #define ADP8870_FADE_T_2100ms 7
60 #define ADP8870_FADE_T_2400ms 8
61 #define ADP8870_FADE_T_2700ms 9
62 #define ADP8870_FADE_T_3000ms 10
63 #define ADP8870_FADE_T_3500ms 11
64 #define ADP8870_FADE_T_4000ms 12
65 #define ADP8870_FADE_T_4500ms 13
66 #define ADP8870_FADE_T_5000ms 14
67 #define ADP8870_FADE_T_5500ms 15 /* 5.5 Sec */
68 
69 #define ADP8870_FADE_LAW_LINEAR 0
70 #define ADP8870_FADE_LAW_SQUARE 1
71 #define ADP8870_FADE_LAW_CUBIC1 2
72 #define ADP8870_FADE_LAW_CUBIC2 3
73 
74 #define ADP8870_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */
75 #define ADP8870_BL_AMBL_FILT_160ms 1
76 #define ADP8870_BL_AMBL_FILT_320ms 2
77 #define ADP8870_BL_AMBL_FILT_640ms 3
78 #define ADP8870_BL_AMBL_FILT_1280ms 4
79 #define ADP8870_BL_AMBL_FILT_2560ms 5
80 #define ADP8870_BL_AMBL_FILT_5120ms 6
81 #define ADP8870_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */
82 
83 /*
84  * Blacklight current 0..30mA
85  */
86 #define ADP8870_BL_CUR_mA(I) ((I * 127) / 30)
87 
88 /*
89  * L2 comparator current 0..1106uA
90  */
91 #define ADP8870_L2_COMP_CURR_uA(I) ((I * 255) / 1106)
92 
93 /*
94  * L3 comparator current 0..551uA
95  */
96 #define ADP8870_L3_COMP_CURR_uA(I) ((I * 255) / 551)
97 
98 /*
99  * L4 comparator current 0..275uA
100  */
101 #define ADP8870_L4_COMP_CURR_uA(I) ((I * 255) / 275)
102 
103 /*
104  * L5 comparator current 0..138uA
105  */
106 #define ADP8870_L5_COMP_CURR_uA(I) ((I * 255) / 138)
107 
109  u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */
110  u8 pwm_assign; /* 1 = Enables PWM mode */
111 
112  u8 bl_fade_in; /* Backlight Fade-In Timer */
113  u8 bl_fade_out; /* Backlight Fade-Out Timer */
114  u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */
115 
116  u8 en_ambl_sens; /* 1 = enable ambient light sensor */
117  u8 abml_filt; /* Light sensor filter time */
118 
119  u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
120  u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
121  u8 l2_bright_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
122  u8 l2_bright_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
123  u8 l3_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
124  u8 l3_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
125  u8 l4_indoor_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
126  u8 l4_indor_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
127  u8 l5_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
128  u8 l5_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
129 
130  u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
131  u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
132  u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
133  u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
134  u8 l4_trip; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
135  u8 l4_hyst; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
136  u8 l5_trip; /* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */
137  u8 l5_hyst; /* use L6_COMP_CURR_uA(I) 0 <= I <= 138 uA */
138 
145  int num_leds;
146  struct led_info *leds;
147  u8 led_fade_in; /* LED Fade-In Timer */
148  u8 led_fade_out; /* LED Fade-Out Timer */
149  u8 led_fade_law; /* fade-on/fade-off transfer characteristic */
151 };
152 
153 #endif /* __LINUX_I2C_ADP8870_H */