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80503b23 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
82fd53b7 MH |
2 | /* |
3 | * Definitions and platform data for Analog Devices | |
4 | * Backlight drivers ADP8860 | |
5 | * | |
6 | * Copyright 2009-2010 Analog Devices Inc. | |
82fd53b7 MH |
7 | */ |
8 | ||
9 | #ifndef __LINUX_I2C_ADP8860_H | |
10 | #define __LINUX_I2C_ADP8860_H | |
11 | ||
12 | #include <linux/leds.h> | |
13 | #include <linux/types.h> | |
14 | ||
15 | #define ID_ADP8860 8860 | |
16 | ||
17 | #define ADP8860_MAX_BRIGHTNESS 0x7F | |
18 | #define FLAG_OFFT_SHIFT 8 | |
19 | ||
20 | /* | |
21 | * LEDs subdevice platform data | |
22 | */ | |
23 | ||
24 | #define ADP8860_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) | |
25 | #define ADP8860_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) | |
26 | #define ADP8860_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) | |
27 | #define ADP8860_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) | |
28 | ||
29 | #define ADP8860_LED_ONT_200ms 0 | |
30 | #define ADP8860_LED_ONT_600ms 1 | |
31 | #define ADP8860_LED_ONT_800ms 2 | |
32 | #define ADP8860_LED_ONT_1200ms 3 | |
33 | ||
34 | #define ADP8860_LED_D7 (7) | |
35 | #define ADP8860_LED_D6 (6) | |
36 | #define ADP8860_LED_D5 (5) | |
37 | #define ADP8860_LED_D4 (4) | |
38 | #define ADP8860_LED_D3 (3) | |
39 | #define ADP8860_LED_D2 (2) | |
40 | #define ADP8860_LED_D1 (1) | |
41 | ||
42 | /* | |
43 | * Backlight subdevice platform data | |
44 | */ | |
45 | ||
46 | #define ADP8860_BL_D7 (1 << 6) | |
47 | #define ADP8860_BL_D6 (1 << 5) | |
48 | #define ADP8860_BL_D5 (1 << 4) | |
49 | #define ADP8860_BL_D4 (1 << 3) | |
50 | #define ADP8860_BL_D3 (1 << 2) | |
51 | #define ADP8860_BL_D2 (1 << 1) | |
52 | #define ADP8860_BL_D1 (1 << 0) | |
53 | ||
54 | #define ADP8860_FADE_T_DIS 0 /* Fade Timer Disabled */ | |
55 | #define ADP8860_FADE_T_300ms 1 /* 0.3 Sec */ | |
56 | #define ADP8860_FADE_T_600ms 2 | |
57 | #define ADP8860_FADE_T_900ms 3 | |
58 | #define ADP8860_FADE_T_1200ms 4 | |
59 | #define ADP8860_FADE_T_1500ms 5 | |
60 | #define ADP8860_FADE_T_1800ms 6 | |
61 | #define ADP8860_FADE_T_2100ms 7 | |
62 | #define ADP8860_FADE_T_2400ms 8 | |
63 | #define ADP8860_FADE_T_2700ms 9 | |
64 | #define ADP8860_FADE_T_3000ms 10 | |
65 | #define ADP8860_FADE_T_3500ms 11 | |
66 | #define ADP8860_FADE_T_4000ms 12 | |
67 | #define ADP8860_FADE_T_4500ms 13 | |
68 | #define ADP8860_FADE_T_5000ms 14 | |
69 | #define ADP8860_FADE_T_5500ms 15 /* 5.5 Sec */ | |
70 | ||
71 | #define ADP8860_FADE_LAW_LINEAR 0 | |
72 | #define ADP8860_FADE_LAW_SQUARE 1 | |
73 | #define ADP8860_FADE_LAW_CUBIC1 2 | |
74 | #define ADP8860_FADE_LAW_CUBIC2 3 | |
75 | ||
76 | #define ADP8860_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ | |
77 | #define ADP8860_BL_AMBL_FILT_160ms 1 | |
78 | #define ADP8860_BL_AMBL_FILT_320ms 2 | |
79 | #define ADP8860_BL_AMBL_FILT_640ms 3 | |
80 | #define ADP8860_BL_AMBL_FILT_1280ms 4 | |
81 | #define ADP8860_BL_AMBL_FILT_2560ms 5 | |
82 | #define ADP8860_BL_AMBL_FILT_5120ms 6 | |
83 | #define ADP8860_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ | |
84 | ||
85 | /* | |
86 | * Blacklight current 0..30mA | |
87 | */ | |
88 | #define ADP8860_BL_CUR_mA(I) ((I * 127) / 30) | |
89 | ||
90 | /* | |
91 | * L2 comparator current 0..1106uA | |
92 | */ | |
93 | #define ADP8860_L2_COMP_CURR_uA(I) ((I * 255) / 1106) | |
94 | ||
95 | /* | |
96 | * L3 comparator current 0..138uA | |
97 | */ | |
98 | #define ADP8860_L3_COMP_CURR_uA(I) ((I * 255) / 138) | |
99 | ||
100 | struct adp8860_backlight_platform_data { | |
101 | u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ | |
102 | ||
103 | u8 bl_fade_in; /* Backlight Fade-In Timer */ | |
104 | u8 bl_fade_out; /* Backlight Fade-Out Timer */ | |
105 | u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */ | |
106 | ||
107 | u8 en_ambl_sens; /* 1 = enable ambient light sensor */ | |
108 | u8 abml_filt; /* Light sensor filter time */ | |
109 | ||
110 | u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ | |
111 | u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ | |
112 | u8 l2_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ | |
113 | u8 l2_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ | |
114 | u8 l3_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ | |
115 | u8 l3_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ | |
116 | ||
117 | u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ | |
118 | u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ | |
119 | u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ | |
120 | u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ | |
121 | ||
122 | /** | |
123 | * Independent Current Sinks / LEDS | |
124 | * Sinks not assigned to the Backlight can be exposed to | |
125 | * user space using the LEDS CLASS interface | |
126 | */ | |
127 | ||
128 | int num_leds; | |
129 | struct led_info *leds; | |
130 | u8 led_fade_in; /* LED Fade-In Timer */ | |
131 | u8 led_fade_out; /* LED Fade-Out Timer */ | |
132 | u8 led_fade_law; /* fade-on/fade-off transfer characteristic */ | |
133 | u8 led_on_time; | |
c7c06d8a MH |
134 | |
135 | /** | |
136 | * Gain down disable. Setting this option does not allow the | |
137 | * charge pump to switch to lower gains. NOT AVAILABLE on ADP8860 | |
138 | * 1 = the charge pump doesn't switch down in gain until all LEDs are 0. | |
139 | * The charge pump switches up in gain as needed. This feature is | |
140 | * useful if the ADP8863 charge pump is used to drive an external load. | |
141 | * This feature must be used when utilizing small fly capacitors | |
142 | * (0402 or smaller). | |
143 | * 0 = the charge pump automatically switches up and down in gain. | |
144 | * This provides optimal efficiency, but is not suitable for driving | |
145 | * loads that are not connected through the ADP8863 diode drivers. | |
146 | * Additionally, the charge pump fly capacitors should be low ESR | |
147 | * and sized 0603 or greater. | |
148 | */ | |
149 | ||
150 | u8 gdwn_dis; | |
82fd53b7 MH |
151 | }; |
152 | ||
153 | #endif /* __LINUX_I2C_ADP8860_H */ |