drivers/video/backlight/ld9040_gamma.h

   1 /*
   2  * Gamma level definitions.
   3  *
   4  * Copyright (c) 2011 Samsung Electronics
   5  * InKi Dae <inki.dae@samsung.com>
   6  * Donghwa Lee <dh09.lee@samsung.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #ifndef _LD9040_BRIGHTNESS_H
  14 #define _LD9040_BRIGHTNESS_H
  15
  16 #define MAX_GAMMA_LEVEL         25
  17 #define GAMMA_TABLE_COUNT       21
  18
  19 /* gamma value: 2.2 */
  20 static const unsigned int ld9040_22_300[] = {
  21         0x00, 0xa7, 0xb4, 0xae, 0xbf, 0x00, 0x91,
  22         0x00, 0xb2, 0xb4, 0xaa, 0xbb, 0x00, 0xac,
  23         0x00, 0xb3, 0xb1, 0xaa, 0xbc, 0x00, 0xb3
  24 };
  25
  26 static const unsigned int ld9040_22_290[] = {
  27         0x00, 0xa9, 0xb7, 0xae, 0xbd, 0x00, 0x89,
  28         0x00, 0xb7, 0xb6, 0xa8, 0xba, 0x00, 0xa4,
  29         0x00, 0xb1, 0xb4, 0xaa, 0xbb, 0x00, 0xaa
  30 };
  31
  32 static const unsigned int ld9040_22_280[] = {
  33         0x00, 0xa9, 0xb6, 0xad, 0xbf, 0x00, 0x86,
  34         0x00, 0xb8, 0xb5, 0xa8, 0xbc, 0x00, 0xa0,
  35         0x00, 0xb3, 0xb3, 0xa9, 0xbc, 0x00, 0xa7
  36 };
  37
  38 static const unsigned int ld9040_22_270[] = {
  39         0x00, 0xa8, 0xb8, 0xae, 0xbe, 0x00, 0x84,
  40         0x00, 0xb9, 0xb7, 0xa8, 0xbc, 0x00, 0x9d,
  41         0x00, 0xb2, 0xb5, 0xaa, 0xbc, 0x00, 0xa4
  42
  43 };
  44 static const unsigned int ld9040_22_260[] = {
  45         0x00, 0xa4, 0xb8, 0xb0, 0xbf, 0x00, 0x80,
  46         0x00, 0xb8, 0xb6, 0xaa, 0xbc, 0x00, 0x9a,
  47         0x00, 0xb0, 0xb5, 0xab, 0xbd, 0x00, 0xa0
  48 };
  49
  50 static const unsigned int ld9040_22_250[] = {
  51         0x00, 0xa4, 0xb9, 0xaf, 0xc1, 0x00, 0x7d,
  52         0x00, 0xb9, 0xb6, 0xaa, 0xbb, 0x00, 0x97,
  53         0x00, 0xb1, 0xb5, 0xaa, 0xbf, 0x00, 0x9d
  54 };
  55
  56 static const unsigned int ld9040_22_240[] = {
  57         0x00, 0xa2, 0xb9, 0xaf, 0xc2, 0x00, 0x7a,
  58         0x00, 0xb9, 0xb7, 0xaa, 0xbd, 0x00, 0x94,
  59         0x00, 0xb0, 0xb5, 0xab, 0xbf, 0x00, 0x9a
  60 };
  61
  62 static const unsigned int ld9040_22_230[] = {
  63         0x00, 0xa0, 0xb9, 0xaf, 0xc3, 0x00, 0x77,
  64         0x00, 0xb9, 0xb7, 0xab, 0xbe, 0x00, 0x90,
  65         0x00, 0xb0, 0xb6, 0xab, 0xbf, 0x00, 0x97
  66 };
  67
  68 static const unsigned int ld9040_22_220[] = {
  69         0x00, 0x9e, 0xba, 0xb0, 0xc2, 0x00, 0x75,
  70         0x00, 0xb9, 0xb8, 0xab, 0xbe, 0x00, 0x8e,
  71         0x00, 0xb0, 0xb6, 0xac, 0xbf, 0x00, 0x94
  72 };
  73
  74 static const unsigned int ld9040_22_210[] = {
  75         0x00, 0x9c, 0xb9, 0xb0, 0xc4, 0x00, 0x72,
  76         0x00, 0xb8, 0xb8, 0xac, 0xbf, 0x00, 0x8a,
  77         0x00, 0xb0, 0xb6, 0xac, 0xc0, 0x00, 0x91
  78 };
  79
  80 static const unsigned int ld9040_22_200[] = {
  81         0x00, 0x9a, 0xba, 0xb1, 0xc4, 0x00, 0x6f,
  82         0x00, 0xb8, 0xb8, 0xad, 0xc0, 0x00, 0x86,
  83         0x00, 0xb0, 0xb7, 0xad, 0xc0, 0x00, 0x8d
  84 };
  85
  86 static const unsigned int ld9040_22_190[] = {
  87         0x00, 0x97, 0xba, 0xb2, 0xc5, 0x00, 0x6c,
  88         0x00, 0xb8, 0xb8, 0xae, 0xc1, 0x00, 0x82,
  89         0x00, 0xb0, 0xb6, 0xae, 0xc2, 0x00, 0x89
  90 };
  91
  92 static const unsigned int ld9040_22_180[] = {
  93         0x00, 0x93, 0xba, 0xb3, 0xc5, 0x00, 0x69,
  94         0x00, 0xb8, 0xb9, 0xae, 0xc1, 0x00, 0x7f,
  95         0x00, 0xb0, 0xb6, 0xae, 0xc3, 0x00, 0x85
  96 };
  97
  98 static const unsigned int ld9040_22_170[] = {
  99         0x00, 0x8b, 0xb9, 0xb3, 0xc7, 0x00, 0x65,
 100         0x00, 0xb7, 0xb8, 0xaf, 0xc3, 0x00, 0x7a,
 101         0x00, 0x80, 0xb6, 0xae, 0xc4, 0x00, 0x81
 102 };
 103
 104 static const unsigned int ld9040_22_160[] = {
 105         0x00, 0x89, 0xba, 0xb3, 0xc8, 0x00, 0x62,
 106         0x00, 0xb6, 0xba, 0xaf, 0xc3, 0x00, 0x76,
 107         0x00, 0xaf, 0xb7, 0xae, 0xc4, 0x00, 0x7e
 108 };
 109
 110 static const unsigned int ld9040_22_150[] = {
 111         0x00, 0x82, 0xba, 0xb4, 0xc7, 0x00, 0x5f,
 112         0x00, 0xb5, 0xba, 0xb0, 0xc3, 0x00, 0x72,
 113         0x00, 0xae, 0xb8, 0xb0, 0xc3, 0x00, 0x7a
 114 };
 115
 116 static const unsigned int ld9040_22_140[] = {
 117         0x00, 0x7b, 0xbb, 0xb4, 0xc8, 0x00, 0x5b,
 118         0x00, 0xb5, 0xba, 0xb1, 0xc4, 0x00, 0x6e,
 119         0x00, 0xae, 0xb9, 0xb0, 0xc5, 0x00, 0x75
 120 };
 121
 122 static const unsigned int ld9040_22_130[] = {
 123         0x00, 0x71, 0xbb, 0xb5, 0xc8, 0x00, 0x57,
 124         0x00, 0xb5, 0xbb, 0xb0, 0xc5, 0x00, 0x6a,
 125         0x00, 0xae, 0xb9, 0xb1, 0xc6, 0x00, 0x70
 126 };
 127
 128 static const unsigned int ld9040_22_120[] = {
 129         0x00, 0x47, 0xba, 0xb6, 0xca, 0x00, 0x53,
 130         0x00, 0xb5, 0xbb, 0xb3, 0xc6, 0x00, 0x65,
 131         0x00, 0xae, 0xb8, 0xb3, 0xc7, 0x00, 0x6c
 132 };
 133
 134 static const unsigned int ld9040_22_110[] = {
 135         0x00, 0x13, 0xbb, 0xb7, 0xca, 0x00, 0x4f,
 136         0x00, 0xb4, 0xbb, 0xb3, 0xc7, 0x00, 0x60,
 137         0x00, 0xad, 0xb8, 0xb4, 0xc7, 0x00, 0x67
 138 };
 139
 140 static const unsigned int ld9040_22_100[] = {
 141         0x00, 0x13, 0xba, 0xb8, 0xcb, 0x00, 0x4b,
 142         0x00, 0xb3, 0xbc, 0xb4, 0xc7, 0x00, 0x5c,
 143         0x00, 0xac, 0xb8, 0xb4, 0xc8, 0x00, 0x62
 144 };
 145
 146 static const unsigned int ld9040_22_90[] = {
 147         0x00, 0x13, 0xb9, 0xb8, 0xcd, 0x00, 0x46,
 148         0x00, 0xb1, 0xbc, 0xb5, 0xc8, 0x00, 0x56,
 149         0x00, 0xaa, 0xb8, 0xb4, 0xc9, 0x00, 0x5d
 150 };
 151
 152 static const unsigned int ld9040_22_80[] = {
 153         0x00, 0x13, 0xba, 0xb9, 0xcd, 0x00, 0x41,
 154         0x00, 0xb0, 0xbe, 0xb5, 0xc9, 0x00, 0x51,
 155         0x00, 0xa9, 0xb9, 0xb5, 0xca, 0x00, 0x57
 156 };
 157
 158 static const unsigned int ld9040_22_70[] = {
 159         0x00, 0x13, 0xb9, 0xb9, 0xd0, 0x00, 0x3c,
 160         0x00, 0xaf, 0xbf, 0xb6, 0xcb, 0x00, 0x4b,
 161         0x00, 0xa8, 0xb9, 0xb5, 0xcc, 0x00, 0x52
 162 };
 163
 164 static const unsigned int ld9040_22_50[] = {
 165         0x00, 0x13, 0xb2, 0xba, 0xd2, 0x00, 0x30,
 166         0x00, 0xaf, 0xc0, 0xb8, 0xcd, 0x00, 0x3d,
 167         0x00, 0xa8, 0xb8, 0xb7, 0xcd, 0x00, 0x44
 168 };
 169
 170 struct ld9040_gamma {
 171         unsigned int *gamma_22_table[MAX_GAMMA_LEVEL];
 172 } gamma_table = {
 173         .gamma_22_table[0] = (unsigned int *)&ld9040_22_50,
 174         .gamma_22_table[1] = (unsigned int *)&ld9040_22_70,
 175         .gamma_22_table[2] = (unsigned int *)&ld9040_22_80,
 176         .gamma_22_table[3] = (unsigned int *)&ld9040_22_90,
 177         .gamma_22_table[4] = (unsigned int *)&ld9040_22_100,
 178         .gamma_22_table[5] = (unsigned int *)&ld9040_22_110,
 179         .gamma_22_table[6] = (unsigned int *)&ld9040_22_120,
 180         .gamma_22_table[7] = (unsigned int *)&ld9040_22_130,
 181         .gamma_22_table[8] = (unsigned int *)&ld9040_22_140,
 182         .gamma_22_table[9] = (unsigned int *)&ld9040_22_150,
 183         .gamma_22_table[10] = (unsigned int *)&ld9040_22_160,
 184         .gamma_22_table[11] = (unsigned int *)&ld9040_22_170,
 185         .gamma_22_table[12] = (unsigned int *)&ld9040_22_180,
 186         .gamma_22_table[13] = (unsigned int *)&ld9040_22_190,
 187         .gamma_22_table[14] = (unsigned int *)&ld9040_22_200,
 188         .gamma_22_table[15] = (unsigned int *)&ld9040_22_210,
 189         .gamma_22_table[16] = (unsigned int *)&ld9040_22_220,
 190         .gamma_22_table[17] = (unsigned int *)&ld9040_22_230,
 191         .gamma_22_table[18] = (unsigned int *)&ld9040_22_240,
 192         .gamma_22_table[19] = (unsigned int *)&ld9040_22_250,
 193         .gamma_22_table[20] = (unsigned int *)&ld9040_22_260,
 194         .gamma_22_table[21] = (unsigned int *)&ld9040_22_270,
 195         .gamma_22_table[22] = (unsigned int *)&ld9040_22_280,
 196         .gamma_22_table[23] = (unsigned int *)&ld9040_22_290,
 197         .gamma_22_table[24] = (unsigned int *)&ld9040_22_300,
 198 };
 199
 200 #endif