Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | * Plug-in for OV7660 image sensor connected to the SN9C1xx PC Camera * |
| 3 | * Controllers * |
| 4 | * * |
| 5 | * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> * |
| 6 | * * |
| 7 | * This program is free software; you can redistribute it and/or modify * |
| 8 | * it under the terms of the GNU General Public License as published by * |
| 9 | * the Free Software Foundation; either version 2 of the License, or * |
| 10 | * (at your option) any later version. * |
| 11 | * * |
| 12 | * This program is distributed in the hope that it will be useful, * |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 15 | * GNU General Public License for more details. * |
| 16 | * * |
| 17 | * You should have received a copy of the GNU General Public License * |
| 18 | * along with this program; if not, write to the Free Software * |
| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | #include "sn9c102_sensor.h" |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 23 | #include "sn9c102_devtable.h" |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 24 | |
| 25 | |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 26 | static int ov7660_init(struct sn9c102_device* cam) |
| 27 | { |
| 28 | int err = 0; |
| 29 | |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 30 | err = sn9c102_write_const_regs(cam, {0x40, 0x02}, {0x00, 0x03}, |
| 31 | {0x1a, 0x04}, {0x03, 0x10}, |
| 32 | {0x08, 0x14}, {0x20, 0x17}, |
| 33 | {0x8b, 0x18}, {0x00, 0x19}, |
| 34 | {0x1d, 0x1a}, {0x10, 0x1b}, |
| 35 | {0x02, 0x1c}, {0x03, 0x1d}, |
| 36 | {0x0f, 0x1e}, {0x0c, 0x1f}, |
| 37 | {0x00, 0x20}, {0x29, 0x21}, |
| 38 | {0x40, 0x22}, {0x54, 0x23}, |
| 39 | {0x66, 0x24}, {0x76, 0x25}, |
| 40 | {0x85, 0x26}, {0x94, 0x27}, |
| 41 | {0xa1, 0x28}, {0xae, 0x29}, |
| 42 | {0xbb, 0x2a}, {0xc7, 0x2b}, |
| 43 | {0xd3, 0x2c}, {0xde, 0x2d}, |
| 44 | {0xea, 0x2e}, {0xf4, 0x2f}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 45 | {0xff, 0x30}, {0x00, 0x3f}, |
| 46 | {0xc7, 0x40}, {0x01, 0x41}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 47 | {0x44, 0x42}, {0x00, 0x43}, |
| 48 | {0x44, 0x44}, {0x00, 0x45}, |
| 49 | {0x44, 0x46}, {0x00, 0x47}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 50 | {0xc7, 0x48}, {0x01, 0x49}, |
| 51 | {0xc7, 0x4a}, {0x01, 0x4b}, |
| 52 | {0xc7, 0x4c}, {0x01, 0x4d}, |
| 53 | {0x44, 0x4e}, {0x00, 0x4f}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 54 | {0x44, 0x50}, {0x00, 0x51}, |
| 55 | {0x44, 0x52}, {0x00, 0x53}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 56 | {0xc7, 0x54}, {0x01, 0x55}, |
| 57 | {0xc7, 0x56}, {0x01, 0x57}, |
| 58 | {0xc7, 0x58}, {0x01, 0x59}, |
| 59 | {0x44, 0x5a}, {0x00, 0x5b}, |
| 60 | {0x44, 0x5c}, {0x00, 0x5d}, |
| 61 | {0x44, 0x5e}, {0x00, 0x5f}, |
| 62 | {0xc7, 0x60}, {0x01, 0x61}, |
| 63 | {0xc7, 0x62}, {0x01, 0x63}, |
| 64 | {0xc7, 0x64}, {0x01, 0x65}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 65 | {0x44, 0x66}, {0x00, 0x67}, |
| 66 | {0x44, 0x68}, {0x00, 0x69}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 67 | {0x44, 0x6a}, {0x00, 0x6b}, |
| 68 | {0xc7, 0x6c}, {0x01, 0x6d}, |
| 69 | {0xc7, 0x6e}, {0x01, 0x6f}, |
| 70 | {0xc7, 0x70}, {0x01, 0x71}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 71 | {0x44, 0x72}, {0x00, 0x73}, |
| 72 | {0x44, 0x74}, {0x00, 0x75}, |
| 73 | {0x44, 0x76}, {0x00, 0x77}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 74 | {0xc7, 0x78}, {0x01, 0x79}, |
| 75 | {0xc7, 0x7a}, {0x01, 0x7b}, |
| 76 | {0xc7, 0x7c}, {0x01, 0x7d}, |
| 77 | {0x44, 0x7e}, {0x00, 0x7f}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 78 | {0x14, 0x84}, {0x00, 0x85}, |
| 79 | {0x27, 0x86}, {0x00, 0x87}, |
| 80 | {0x07, 0x88}, {0x00, 0x89}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 81 | {0xec, 0x8a}, {0x0f, 0x8b}, |
| 82 | {0xd8, 0x8c}, {0x0f, 0x8d}, |
| 83 | {0x3d, 0x8e}, {0x00, 0x8f}, |
| 84 | {0x3d, 0x90}, {0x00, 0x91}, |
| 85 | {0xcd, 0x92}, {0x0f, 0x93}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 86 | {0xf7, 0x94}, {0x0f, 0x95}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 87 | {0x0c, 0x96}, {0x00, 0x97}, |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 88 | {0x00, 0x98}, {0x66, 0x99}, |
Luca Risolia | 3770be3 | 2007-06-13 14:37:50 -0300 | [diff] [blame] | 89 | {0x05, 0x9a}, {0x00, 0x9b}, |
| 90 | {0x04, 0x9c}, {0x00, 0x9d}, |
| 91 | {0x08, 0x9e}, {0x00, 0x9f}, |
| 92 | {0x2d, 0xc0}, {0x2d, 0xc1}, |
| 93 | {0x3a, 0xc2}, {0x05, 0xc3}, |
| 94 | {0x04, 0xc4}, {0x3f, 0xc5}, |
| 95 | {0x00, 0xc6}, {0x00, 0xc7}, |
| 96 | {0x50, 0xc8}, {0x3C, 0xc9}, |
| 97 | {0x28, 0xca}, {0xd8, 0xcb}, |
| 98 | {0x14, 0xcc}, {0xec, 0xcd}, |
| 99 | {0x32, 0xce}, {0xdd, 0xcf}, |
| 100 | {0x32, 0xd0}, {0xdd, 0xd1}, |
| 101 | {0x6a, 0xd2}, {0x50, 0xd3}, |
| 102 | {0x00, 0xd4}, {0x00, 0xd5}, |
| 103 | {0x00, 0xd6}); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 104 | |
| 105 | err += sn9c102_i2c_write(cam, 0x12, 0x80); |
| 106 | err += sn9c102_i2c_write(cam, 0x11, 0x09); |
| 107 | err += sn9c102_i2c_write(cam, 0x00, 0x0A); |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 108 | err += sn9c102_i2c_write(cam, 0x01, 0x80); |
| 109 | err += sn9c102_i2c_write(cam, 0x02, 0x80); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 110 | err += sn9c102_i2c_write(cam, 0x03, 0x00); |
| 111 | err += sn9c102_i2c_write(cam, 0x04, 0x00); |
| 112 | err += sn9c102_i2c_write(cam, 0x05, 0x08); |
| 113 | err += sn9c102_i2c_write(cam, 0x06, 0x0B); |
| 114 | err += sn9c102_i2c_write(cam, 0x07, 0x00); |
| 115 | err += sn9c102_i2c_write(cam, 0x08, 0x1C); |
| 116 | err += sn9c102_i2c_write(cam, 0x09, 0x01); |
| 117 | err += sn9c102_i2c_write(cam, 0x0A, 0x76); |
| 118 | err += sn9c102_i2c_write(cam, 0x0B, 0x60); |
| 119 | err += sn9c102_i2c_write(cam, 0x0C, 0x00); |
| 120 | err += sn9c102_i2c_write(cam, 0x0D, 0x08); |
| 121 | err += sn9c102_i2c_write(cam, 0x0E, 0x04); |
| 122 | err += sn9c102_i2c_write(cam, 0x0F, 0x6F); |
| 123 | err += sn9c102_i2c_write(cam, 0x10, 0x20); |
| 124 | err += sn9c102_i2c_write(cam, 0x11, 0x03); |
| 125 | err += sn9c102_i2c_write(cam, 0x12, 0x05); |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 126 | err += sn9c102_i2c_write(cam, 0x13, 0xC7); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 127 | err += sn9c102_i2c_write(cam, 0x14, 0x2C); |
| 128 | err += sn9c102_i2c_write(cam, 0x15, 0x00); |
| 129 | err += sn9c102_i2c_write(cam, 0x16, 0x02); |
| 130 | err += sn9c102_i2c_write(cam, 0x17, 0x10); |
| 131 | err += sn9c102_i2c_write(cam, 0x18, 0x60); |
| 132 | err += sn9c102_i2c_write(cam, 0x19, 0x02); |
| 133 | err += sn9c102_i2c_write(cam, 0x1A, 0x7B); |
| 134 | err += sn9c102_i2c_write(cam, 0x1B, 0x02); |
| 135 | err += sn9c102_i2c_write(cam, 0x1C, 0x7F); |
| 136 | err += sn9c102_i2c_write(cam, 0x1D, 0xA2); |
| 137 | err += sn9c102_i2c_write(cam, 0x1E, 0x01); |
| 138 | err += sn9c102_i2c_write(cam, 0x1F, 0x0E); |
| 139 | err += sn9c102_i2c_write(cam, 0x20, 0x05); |
| 140 | err += sn9c102_i2c_write(cam, 0x21, 0x05); |
| 141 | err += sn9c102_i2c_write(cam, 0x22, 0x05); |
| 142 | err += sn9c102_i2c_write(cam, 0x23, 0x05); |
| 143 | err += sn9c102_i2c_write(cam, 0x24, 0x68); |
| 144 | err += sn9c102_i2c_write(cam, 0x25, 0x58); |
| 145 | err += sn9c102_i2c_write(cam, 0x26, 0xD4); |
| 146 | err += sn9c102_i2c_write(cam, 0x27, 0x80); |
| 147 | err += sn9c102_i2c_write(cam, 0x28, 0x80); |
| 148 | err += sn9c102_i2c_write(cam, 0x29, 0x30); |
| 149 | err += sn9c102_i2c_write(cam, 0x2A, 0x00); |
| 150 | err += sn9c102_i2c_write(cam, 0x2B, 0x00); |
| 151 | err += sn9c102_i2c_write(cam, 0x2C, 0x80); |
| 152 | err += sn9c102_i2c_write(cam, 0x2D, 0x00); |
| 153 | err += sn9c102_i2c_write(cam, 0x2E, 0x00); |
| 154 | err += sn9c102_i2c_write(cam, 0x2F, 0x0E); |
| 155 | err += sn9c102_i2c_write(cam, 0x30, 0x08); |
| 156 | err += sn9c102_i2c_write(cam, 0x31, 0x30); |
| 157 | err += sn9c102_i2c_write(cam, 0x32, 0xB4); |
| 158 | err += sn9c102_i2c_write(cam, 0x33, 0x00); |
| 159 | err += sn9c102_i2c_write(cam, 0x34, 0x07); |
| 160 | err += sn9c102_i2c_write(cam, 0x35, 0x84); |
| 161 | err += sn9c102_i2c_write(cam, 0x36, 0x00); |
| 162 | err += sn9c102_i2c_write(cam, 0x37, 0x0C); |
| 163 | err += sn9c102_i2c_write(cam, 0x38, 0x02); |
| 164 | err += sn9c102_i2c_write(cam, 0x39, 0x43); |
| 165 | err += sn9c102_i2c_write(cam, 0x3A, 0x00); |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 166 | err += sn9c102_i2c_write(cam, 0x3B, 0x0A); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 167 | err += sn9c102_i2c_write(cam, 0x3C, 0x6C); |
| 168 | err += sn9c102_i2c_write(cam, 0x3D, 0x99); |
| 169 | err += sn9c102_i2c_write(cam, 0x3E, 0x0E); |
| 170 | err += sn9c102_i2c_write(cam, 0x3F, 0x41); |
| 171 | err += sn9c102_i2c_write(cam, 0x40, 0xC1); |
| 172 | err += sn9c102_i2c_write(cam, 0x41, 0x22); |
| 173 | err += sn9c102_i2c_write(cam, 0x42, 0x08); |
| 174 | err += sn9c102_i2c_write(cam, 0x43, 0xF0); |
| 175 | err += sn9c102_i2c_write(cam, 0x44, 0x10); |
| 176 | err += sn9c102_i2c_write(cam, 0x45, 0x78); |
| 177 | err += sn9c102_i2c_write(cam, 0x46, 0xA8); |
| 178 | err += sn9c102_i2c_write(cam, 0x47, 0x60); |
| 179 | err += sn9c102_i2c_write(cam, 0x48, 0x80); |
| 180 | err += sn9c102_i2c_write(cam, 0x49, 0x00); |
| 181 | err += sn9c102_i2c_write(cam, 0x4A, 0x00); |
| 182 | err += sn9c102_i2c_write(cam, 0x4B, 0x00); |
| 183 | err += sn9c102_i2c_write(cam, 0x4C, 0x00); |
| 184 | err += sn9c102_i2c_write(cam, 0x4D, 0x00); |
| 185 | err += sn9c102_i2c_write(cam, 0x4E, 0x00); |
| 186 | err += sn9c102_i2c_write(cam, 0x4F, 0x46); |
| 187 | err += sn9c102_i2c_write(cam, 0x50, 0x36); |
| 188 | err += sn9c102_i2c_write(cam, 0x51, 0x0F); |
| 189 | err += sn9c102_i2c_write(cam, 0x52, 0x17); |
| 190 | err += sn9c102_i2c_write(cam, 0x53, 0x7F); |
| 191 | err += sn9c102_i2c_write(cam, 0x54, 0x96); |
| 192 | err += sn9c102_i2c_write(cam, 0x55, 0x40); |
| 193 | err += sn9c102_i2c_write(cam, 0x56, 0x40); |
| 194 | err += sn9c102_i2c_write(cam, 0x57, 0x40); |
| 195 | err += sn9c102_i2c_write(cam, 0x58, 0x0F); |
| 196 | err += sn9c102_i2c_write(cam, 0x59, 0xBA); |
| 197 | err += sn9c102_i2c_write(cam, 0x5A, 0x9A); |
| 198 | err += sn9c102_i2c_write(cam, 0x5B, 0x22); |
| 199 | err += sn9c102_i2c_write(cam, 0x5C, 0xB9); |
| 200 | err += sn9c102_i2c_write(cam, 0x5D, 0x9B); |
| 201 | err += sn9c102_i2c_write(cam, 0x5E, 0x10); |
| 202 | err += sn9c102_i2c_write(cam, 0x5F, 0xF0); |
| 203 | err += sn9c102_i2c_write(cam, 0x60, 0x05); |
| 204 | err += sn9c102_i2c_write(cam, 0x61, 0x60); |
| 205 | err += sn9c102_i2c_write(cam, 0x62, 0x00); |
| 206 | err += sn9c102_i2c_write(cam, 0x63, 0x00); |
| 207 | err += sn9c102_i2c_write(cam, 0x64, 0x50); |
| 208 | err += sn9c102_i2c_write(cam, 0x65, 0x30); |
| 209 | err += sn9c102_i2c_write(cam, 0x66, 0x00); |
| 210 | err += sn9c102_i2c_write(cam, 0x67, 0x80); |
| 211 | err += sn9c102_i2c_write(cam, 0x68, 0x7A); |
| 212 | err += sn9c102_i2c_write(cam, 0x69, 0x90); |
| 213 | err += sn9c102_i2c_write(cam, 0x6A, 0x80); |
| 214 | err += sn9c102_i2c_write(cam, 0x6B, 0x0A); |
| 215 | err += sn9c102_i2c_write(cam, 0x6C, 0x30); |
| 216 | err += sn9c102_i2c_write(cam, 0x6D, 0x48); |
| 217 | err += sn9c102_i2c_write(cam, 0x6E, 0x80); |
| 218 | err += sn9c102_i2c_write(cam, 0x6F, 0x74); |
| 219 | err += sn9c102_i2c_write(cam, 0x70, 0x64); |
| 220 | err += sn9c102_i2c_write(cam, 0x71, 0x60); |
| 221 | err += sn9c102_i2c_write(cam, 0x72, 0x5C); |
| 222 | err += sn9c102_i2c_write(cam, 0x73, 0x58); |
| 223 | err += sn9c102_i2c_write(cam, 0x74, 0x54); |
| 224 | err += sn9c102_i2c_write(cam, 0x75, 0x4C); |
| 225 | err += sn9c102_i2c_write(cam, 0x76, 0x40); |
| 226 | err += sn9c102_i2c_write(cam, 0x77, 0x38); |
| 227 | err += sn9c102_i2c_write(cam, 0x78, 0x34); |
| 228 | err += sn9c102_i2c_write(cam, 0x79, 0x30); |
| 229 | err += sn9c102_i2c_write(cam, 0x7A, 0x2F); |
| 230 | err += sn9c102_i2c_write(cam, 0x7B, 0x2B); |
| 231 | err += sn9c102_i2c_write(cam, 0x7C, 0x03); |
| 232 | err += sn9c102_i2c_write(cam, 0x7D, 0x07); |
| 233 | err += sn9c102_i2c_write(cam, 0x7E, 0x17); |
| 234 | err += sn9c102_i2c_write(cam, 0x7F, 0x34); |
| 235 | err += sn9c102_i2c_write(cam, 0x80, 0x41); |
| 236 | err += sn9c102_i2c_write(cam, 0x81, 0x4D); |
| 237 | err += sn9c102_i2c_write(cam, 0x82, 0x58); |
| 238 | err += sn9c102_i2c_write(cam, 0x83, 0x63); |
| 239 | err += sn9c102_i2c_write(cam, 0x84, 0x6E); |
| 240 | err += sn9c102_i2c_write(cam, 0x85, 0x77); |
| 241 | err += sn9c102_i2c_write(cam, 0x86, 0x87); |
| 242 | err += sn9c102_i2c_write(cam, 0x87, 0x95); |
| 243 | err += sn9c102_i2c_write(cam, 0x88, 0xAF); |
| 244 | err += sn9c102_i2c_write(cam, 0x89, 0xC7); |
| 245 | err += sn9c102_i2c_write(cam, 0x8A, 0xDF); |
| 246 | err += sn9c102_i2c_write(cam, 0x8B, 0x99); |
| 247 | err += sn9c102_i2c_write(cam, 0x8C, 0x99); |
| 248 | err += sn9c102_i2c_write(cam, 0x8D, 0xCF); |
| 249 | err += sn9c102_i2c_write(cam, 0x8E, 0x20); |
| 250 | err += sn9c102_i2c_write(cam, 0x8F, 0x26); |
| 251 | err += sn9c102_i2c_write(cam, 0x90, 0x10); |
| 252 | err += sn9c102_i2c_write(cam, 0x91, 0x0C); |
| 253 | err += sn9c102_i2c_write(cam, 0x92, 0x25); |
| 254 | err += sn9c102_i2c_write(cam, 0x93, 0x00); |
| 255 | err += sn9c102_i2c_write(cam, 0x94, 0x50); |
| 256 | err += sn9c102_i2c_write(cam, 0x95, 0x50); |
| 257 | err += sn9c102_i2c_write(cam, 0x96, 0x00); |
| 258 | err += sn9c102_i2c_write(cam, 0x97, 0x01); |
| 259 | err += sn9c102_i2c_write(cam, 0x98, 0x10); |
| 260 | err += sn9c102_i2c_write(cam, 0x99, 0x40); |
| 261 | err += sn9c102_i2c_write(cam, 0x9A, 0x40); |
| 262 | err += sn9c102_i2c_write(cam, 0x9B, 0x20); |
| 263 | err += sn9c102_i2c_write(cam, 0x9C, 0x00); |
| 264 | err += sn9c102_i2c_write(cam, 0x9D, 0x99); |
| 265 | err += sn9c102_i2c_write(cam, 0x9E, 0x7F); |
| 266 | err += sn9c102_i2c_write(cam, 0x9F, 0x00); |
| 267 | err += sn9c102_i2c_write(cam, 0xA0, 0x00); |
| 268 | err += sn9c102_i2c_write(cam, 0xA1, 0x00); |
| 269 | |
| 270 | return err; |
| 271 | } |
| 272 | |
| 273 | |
| 274 | static int ov7660_get_ctrl(struct sn9c102_device* cam, |
| 275 | struct v4l2_control* ctrl) |
| 276 | { |
| 277 | int err = 0; |
| 278 | |
| 279 | switch (ctrl->id) { |
| 280 | case V4L2_CID_EXPOSURE: |
| 281 | if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0) |
| 282 | return -EIO; |
| 283 | break; |
| 284 | case V4L2_CID_DO_WHITE_BALANCE: |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 285 | if ((ctrl->value = sn9c102_read_reg(cam, 0x02)) < 0) |
| 286 | return -EIO; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 287 | ctrl->value = (ctrl->value & 0x04) ? 1 : 0; |
| 288 | break; |
| 289 | case V4L2_CID_RED_BALANCE: |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 290 | if ((ctrl->value = sn9c102_read_reg(cam, 0x05)) < 0) |
| 291 | return -EIO; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 292 | ctrl->value &= 0x7f; |
| 293 | break; |
| 294 | case V4L2_CID_BLUE_BALANCE: |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 295 | if ((ctrl->value = sn9c102_read_reg(cam, 0x06)) < 0) |
| 296 | return -EIO; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 297 | ctrl->value &= 0x7f; |
| 298 | break; |
| 299 | case SN9C102_V4L2_CID_GREEN_BALANCE: |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 300 | if ((ctrl->value = sn9c102_read_reg(cam, 0x07)) < 0) |
| 301 | return -EIO; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 302 | ctrl->value &= 0x7f; |
| 303 | break; |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 304 | case SN9C102_V4L2_CID_BAND_FILTER: |
| 305 | if ((ctrl->value = sn9c102_i2c_read(cam, 0x3b)) < 0) |
| 306 | return -EIO; |
| 307 | ctrl->value &= 0x08; |
| 308 | break; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 309 | case V4L2_CID_GAIN: |
| 310 | if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0) |
| 311 | return -EIO; |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 312 | ctrl->value &= 0x1f; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 313 | break; |
| 314 | case V4L2_CID_AUTOGAIN: |
| 315 | if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0) |
| 316 | return -EIO; |
| 317 | ctrl->value &= 0x01; |
| 318 | break; |
| 319 | default: |
| 320 | return -EINVAL; |
| 321 | } |
| 322 | |
| 323 | return err ? -EIO : 0; |
| 324 | } |
| 325 | |
| 326 | |
| 327 | static int ov7660_set_ctrl(struct sn9c102_device* cam, |
| 328 | const struct v4l2_control* ctrl) |
| 329 | { |
| 330 | int err = 0; |
| 331 | |
| 332 | switch (ctrl->id) { |
| 333 | case V4L2_CID_EXPOSURE: |
| 334 | err += sn9c102_i2c_write(cam, 0x10, ctrl->value); |
| 335 | break; |
| 336 | case V4L2_CID_DO_WHITE_BALANCE: |
| 337 | err += sn9c102_write_reg(cam, 0x43 | (ctrl->value << 2), 0x02); |
| 338 | break; |
| 339 | case V4L2_CID_RED_BALANCE: |
| 340 | err += sn9c102_write_reg(cam, ctrl->value, 0x05); |
| 341 | break; |
| 342 | case V4L2_CID_BLUE_BALANCE: |
| 343 | err += sn9c102_write_reg(cam, ctrl->value, 0x06); |
| 344 | break; |
| 345 | case SN9C102_V4L2_CID_GREEN_BALANCE: |
| 346 | err += sn9c102_write_reg(cam, ctrl->value, 0x07); |
| 347 | break; |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 348 | case SN9C102_V4L2_CID_BAND_FILTER: |
| 349 | err += sn9c102_i2c_write(cam, ctrl->value << 3, 0x3b); |
| 350 | break; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 351 | case V4L2_CID_GAIN: |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 352 | err += sn9c102_i2c_write(cam, 0x00, 0x60 + ctrl->value); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 353 | break; |
| 354 | case V4L2_CID_AUTOGAIN: |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 355 | err += sn9c102_i2c_write(cam, 0x13, 0xc0 | |
| 356 | (ctrl->value * 0x07)); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 357 | break; |
| 358 | default: |
| 359 | return -EINVAL; |
| 360 | } |
| 361 | |
| 362 | return err ? -EIO : 0; |
| 363 | } |
| 364 | |
| 365 | |
| 366 | static int ov7660_set_crop(struct sn9c102_device* cam, |
| 367 | const struct v4l2_rect* rect) |
| 368 | { |
| 369 | struct sn9c102_sensor* s = sn9c102_get_sensor(cam); |
| 370 | int err = 0; |
| 371 | u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1, |
| 372 | v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1; |
| 373 | |
| 374 | err += sn9c102_write_reg(cam, h_start, 0x12); |
| 375 | err += sn9c102_write_reg(cam, v_start, 0x13); |
| 376 | |
| 377 | return err; |
| 378 | } |
| 379 | |
| 380 | |
| 381 | static int ov7660_set_pix_format(struct sn9c102_device* cam, |
| 382 | const struct v4l2_pix_format* pix) |
| 383 | { |
| 384 | int r0, err = 0; |
| 385 | |
| 386 | r0 = sn9c102_pread_reg(cam, 0x01); |
| 387 | |
| 388 | if (pix->pixelformat == V4L2_PIX_FMT_JPEG) { |
| 389 | err += sn9c102_write_reg(cam, r0 | 0x40, 0x01); |
| 390 | err += sn9c102_write_reg(cam, 0xa2, 0x17); |
| 391 | err += sn9c102_i2c_write(cam, 0x11, 0x00); |
| 392 | } else { |
| 393 | err += sn9c102_write_reg(cam, r0 | 0x40, 0x01); |
| 394 | err += sn9c102_write_reg(cam, 0xa2, 0x17); |
| 395 | err += sn9c102_i2c_write(cam, 0x11, 0x0d); |
| 396 | } |
| 397 | |
| 398 | return err; |
| 399 | } |
| 400 | |
| 401 | |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 402 | static const struct sn9c102_sensor ov7660 = { |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 403 | .name = "OV7660", |
| 404 | .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", |
| 405 | .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120, |
| 406 | .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE, |
| 407 | .frequency = SN9C102_I2C_100KHZ, |
| 408 | .interface = SN9C102_I2C_2WIRES, |
| 409 | .i2c_slave_id = 0x21, |
| 410 | .init = &ov7660_init, |
| 411 | .qctrl = { |
| 412 | { |
| 413 | .id = V4L2_CID_GAIN, |
| 414 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 415 | .name = "global gain", |
| 416 | .minimum = 0x00, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 417 | .maximum = 0x1f, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 418 | .step = 0x01, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 419 | .default_value = 0x09, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 420 | .flags = 0, |
| 421 | }, |
| 422 | { |
| 423 | .id = V4L2_CID_EXPOSURE, |
| 424 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 425 | .name = "exposure", |
| 426 | .minimum = 0x00, |
| 427 | .maximum = 0xff, |
| 428 | .step = 0x01, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 429 | .default_value = 0x27, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 430 | .flags = 0, |
| 431 | }, |
| 432 | { |
| 433 | .id = V4L2_CID_DO_WHITE_BALANCE, |
| 434 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 435 | .name = "night mode", |
| 436 | .minimum = 0x00, |
| 437 | .maximum = 0x01, |
| 438 | .step = 0x01, |
| 439 | .default_value = 0x00, |
| 440 | .flags = 0, |
| 441 | }, |
| 442 | { |
| 443 | .id = V4L2_CID_RED_BALANCE, |
| 444 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 445 | .name = "red balance", |
| 446 | .minimum = 0x00, |
| 447 | .maximum = 0x7f, |
| 448 | .step = 0x01, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 449 | .default_value = 0x14, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 450 | .flags = 0, |
| 451 | }, |
| 452 | { |
| 453 | .id = V4L2_CID_BLUE_BALANCE, |
| 454 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 455 | .name = "blue balance", |
| 456 | .minimum = 0x00, |
| 457 | .maximum = 0x7f, |
| 458 | .step = 0x01, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 459 | .default_value = 0x14, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 460 | .flags = 0, |
| 461 | }, |
| 462 | { |
| 463 | .id = V4L2_CID_AUTOGAIN, |
| 464 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 465 | .name = "auto adjust", |
| 466 | .minimum = 0x00, |
| 467 | .maximum = 0x01, |
| 468 | .step = 0x01, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 469 | .default_value = 0x01, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 470 | .flags = 0, |
| 471 | }, |
| 472 | { |
| 473 | .id = SN9C102_V4L2_CID_GREEN_BALANCE, |
| 474 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 475 | .name = "green balance", |
| 476 | .minimum = 0x00, |
| 477 | .maximum = 0x7f, |
| 478 | .step = 0x01, |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 479 | .default_value = 0x14, |
| 480 | .flags = 0, |
| 481 | }, |
| 482 | { |
| 483 | .id = SN9C102_V4L2_CID_BAND_FILTER, |
| 484 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 485 | .name = "band filter", |
| 486 | .minimum = 0x00, |
| 487 | .maximum = 0x01, |
| 488 | .step = 0x01, |
| 489 | .default_value = 0x00, |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 490 | .flags = 0, |
| 491 | }, |
| 492 | }, |
| 493 | .get_ctrl = &ov7660_get_ctrl, |
| 494 | .set_ctrl = &ov7660_set_ctrl, |
| 495 | .cropcap = { |
| 496 | .bounds = { |
| 497 | .left = 0, |
| 498 | .top = 0, |
| 499 | .width = 640, |
| 500 | .height = 480, |
| 501 | }, |
| 502 | .defrect = { |
| 503 | .left = 0, |
| 504 | .top = 0, |
| 505 | .width = 640, |
| 506 | .height = 480, |
| 507 | }, |
| 508 | }, |
| 509 | .set_crop = &ov7660_set_crop, |
| 510 | .pix_format = { |
| 511 | .width = 640, |
| 512 | .height = 480, |
| 513 | .pixelformat = V4L2_PIX_FMT_JPEG, |
| 514 | .priv = 8, |
| 515 | }, |
| 516 | .set_pix_format = &ov7660_set_pix_format |
| 517 | }; |
| 518 | |
| 519 | |
| 520 | int sn9c102_probe_ov7660(struct sn9c102_device* cam) |
| 521 | { |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 522 | int pid, ver, err; |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 523 | |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 524 | err = sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1}, |
| 525 | {0x01, 0x01}, {0x00, 0x01}, |
| 526 | {0x28, 0x17}); |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 527 | |
| 528 | pid = sn9c102_i2c_try_read(cam, &ov7660, 0x0a); |
| 529 | ver = sn9c102_i2c_try_read(cam, &ov7660, 0x0b); |
| 530 | if (err || pid < 0 || ver < 0) |
| 531 | return -EIO; |
| 532 | if (pid != 0x76 || ver != 0x60) |
| 533 | return -ENODEV; |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 534 | |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 535 | sn9c102_attach_sensor(cam, &ov7660); |
| 536 | |
| 537 | return 0; |
| 538 | } |