1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Definitions and platform data for Analog Devices |
4 | * Backlight drivers ADP8870 |
5 | * |
6 | * Copyright 2009-2010 Analog Devices Inc. |
7 | */ |
8 | |
9 | #ifndef __LINUX_I2C_ADP8870_H |
10 | #define __LINUX_I2C_ADP8870_H |
11 | |
12 | #define ID_ADP8870 8870 |
13 | |
14 | #define ADP8870_MAX_BRIGHTNESS 0x7F |
15 | #define FLAG_OFFT_SHIFT 8 |
16 | |
17 | /* |
18 | * LEDs subdevice platform data |
19 | */ |
20 | |
21 | #define ADP8870_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) |
22 | #define ADP8870_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) |
23 | #define ADP8870_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) |
24 | #define ADP8870_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) |
25 | |
26 | #define ADP8870_LED_ONT_200ms 0 |
27 | #define ADP8870_LED_ONT_600ms 1 |
28 | #define ADP8870_LED_ONT_800ms 2 |
29 | #define ADP8870_LED_ONT_1200ms 3 |
30 | |
31 | #define ADP8870_LED_D7 (7) |
32 | #define ADP8870_LED_D6 (6) |
33 | #define ADP8870_LED_D5 (5) |
34 | #define ADP8870_LED_D4 (4) |
35 | #define ADP8870_LED_D3 (3) |
36 | #define ADP8870_LED_D2 (2) |
37 | #define ADP8870_LED_D1 (1) |
38 | |
39 | /* |
40 | * Backlight subdevice platform data |
41 | */ |
42 | |
43 | #define ADP8870_BL_D7 (1 << 6) |
44 | #define ADP8870_BL_D6 (1 << 5) |
45 | #define ADP8870_BL_D5 (1 << 4) |
46 | #define ADP8870_BL_D4 (1 << 3) |
47 | #define ADP8870_BL_D3 (1 << 2) |
48 | #define ADP8870_BL_D2 (1 << 1) |
49 | #define ADP8870_BL_D1 (1 << 0) |
50 | |
51 | #define ADP8870_FADE_T_DIS 0 /* Fade Timer Disabled */ |
52 | #define ADP8870_FADE_T_300ms 1 /* 0.3 Sec */ |
53 | #define ADP8870_FADE_T_600ms 2 |
54 | #define ADP8870_FADE_T_900ms 3 |
55 | #define ADP8870_FADE_T_1200ms 4 |
56 | #define ADP8870_FADE_T_1500ms 5 |
57 | #define ADP8870_FADE_T_1800ms 6 |
58 | #define ADP8870_FADE_T_2100ms 7 |
59 | #define ADP8870_FADE_T_2400ms 8 |
60 | #define ADP8870_FADE_T_2700ms 9 |
61 | #define ADP8870_FADE_T_3000ms 10 |
62 | #define ADP8870_FADE_T_3500ms 11 |
63 | #define ADP8870_FADE_T_4000ms 12 |
64 | #define ADP8870_FADE_T_4500ms 13 |
65 | #define ADP8870_FADE_T_5000ms 14 |
66 | #define ADP8870_FADE_T_5500ms 15 /* 5.5 Sec */ |
67 | |
68 | #define ADP8870_FADE_LAW_LINEAR 0 |
69 | #define ADP8870_FADE_LAW_SQUARE 1 |
70 | #define ADP8870_FADE_LAW_CUBIC1 2 |
71 | #define ADP8870_FADE_LAW_CUBIC2 3 |
72 | |
73 | #define ADP8870_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ |
74 | #define ADP8870_BL_AMBL_FILT_160ms 1 |
75 | #define ADP8870_BL_AMBL_FILT_320ms 2 |
76 | #define ADP8870_BL_AMBL_FILT_640ms 3 |
77 | #define ADP8870_BL_AMBL_FILT_1280ms 4 |
78 | #define ADP8870_BL_AMBL_FILT_2560ms 5 |
79 | #define ADP8870_BL_AMBL_FILT_5120ms 6 |
80 | #define ADP8870_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ |
81 | |
82 | /* |
83 | * Blacklight current 0..30mA |
84 | */ |
85 | #define ADP8870_BL_CUR_mA(I) ((I * 127) / 30) |
86 | |
87 | /* |
88 | * L2 comparator current 0..1106uA |
89 | */ |
90 | #define ADP8870_L2_COMP_CURR_uA(I) ((I * 255) / 1106) |
91 | |
92 | /* |
93 | * L3 comparator current 0..551uA |
94 | */ |
95 | #define ADP8870_L3_COMP_CURR_uA(I) ((I * 255) / 551) |
96 | |
97 | /* |
98 | * L4 comparator current 0..275uA |
99 | */ |
100 | #define ADP8870_L4_COMP_CURR_uA(I) ((I * 255) / 275) |
101 | |
102 | /* |
103 | * L5 comparator current 0..138uA |
104 | */ |
105 | #define ADP8870_L5_COMP_CURR_uA(I) ((I * 255) / 138) |
106 | |
107 | struct adp8870_backlight_platform_data { |
108 | u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ |
109 | u8 pwm_assign; /* 1 = Enables PWM mode */ |
110 | |
111 | u8 bl_fade_in; /* Backlight Fade-In Timer */ |
112 | u8 bl_fade_out; /* Backlight Fade-Out Timer */ |
113 | u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */ |
114 | |
115 | u8 en_ambl_sens; /* 1 = enable ambient light sensor */ |
116 | u8 abml_filt; /* Light sensor filter time */ |
117 | |
118 | u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
119 | u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
120 | u8 l2_bright_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
121 | u8 l2_bright_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
122 | u8 l3_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
123 | u8 l3_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
124 | u8 l4_indoor_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
125 | u8 l4_indor_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
126 | u8 l5_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
127 | u8 l5_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ |
128 | |
129 | u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ |
130 | u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ |
131 | u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ |
132 | u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ |
133 | u8 l4_trip; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */ |
134 | u8 l4_hyst; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */ |
135 | u8 l5_trip; /* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */ |
136 | u8 l5_hyst; /* use L6_COMP_CURR_uA(I) 0 <= I <= 138 uA */ |
137 | |
138 | /** |
139 | * Independent Current Sinks / LEDS |
140 | * Sinks not assigned to the Backlight can be exposed to |
141 | * user space using the LEDS CLASS interface |
142 | */ |
143 | |
144 | int num_leds; |
145 | struct led_info *leds; |
146 | u8 led_fade_in; /* LED Fade-In Timer */ |
147 | u8 led_fade_out; /* LED Fade-Out Timer */ |
148 | u8 led_fade_law; /* fade-on/fade-off transfer characteristic */ |
149 | u8 led_on_time; |
150 | }; |
151 | |
152 | #endif /* __LINUX_I2C_ADP8870_H */ |
153 | |