| Michael Hennerich | a59ec1e | 2011-06-15 15:08:11 -0700 | [diff] [blame] | 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 | |
| 108 | struct adp8870_backlight_platform_data { |
| 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 | |
| 139 | /** |
| 140 | * Independent Current Sinks / LEDS |
| 141 | * Sinks not assigned to the Backlight can be exposed to |
| 142 | * user space using the LEDS CLASS interface |
| 143 | */ |
| 144 | |
| 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 */ |
| 150 | u8 led_on_time; |
| 151 | }; |
| 152 | |
| 153 | #endif /* __LINUX_I2C_ADP8870_H */ |