Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 1 | /*************************************************************************** |
Luca Risolia | 7e3a066 | 2007-01-08 11:34:35 -0300 | [diff] [blame] | 2 | * Plug-in for PAS202BCB image sensor connected to the ZC0301 Image * |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 3 | * Processor and Control Chip * |
| 4 | * * |
Luca Risolia | 7e3a066 | 2007-01-08 11:34:35 -0300 | [diff] [blame] | 5 | * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 6 | * * |
Luca Risolia | 0230185 | 2006-04-24 11:28:23 -0300 | [diff] [blame] | 7 | * Initialization values of the ZC0301[P] have been taken from the SPCA5XX * |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 8 | * driver maintained by Michel Xhaard <mxhaard@magic.fr> * |
| 9 | * * |
| 10 | * This program is free software; you can redistribute it and/or modify * |
| 11 | * it under the terms of the GNU General Public License as published by * |
| 12 | * the Free Software Foundation; either version 2 of the License, or * |
| 13 | * (at your option) any later version. * |
| 14 | * * |
| 15 | * This program is distributed in the hope that it will be useful, * |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 18 | * GNU General Public License for more details. * |
| 19 | * * |
| 20 | * You should have received a copy of the GNU General Public License * |
| 21 | * along with this program; if not, write to the Free Software * |
| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * |
| 23 | ***************************************************************************/ |
| 24 | |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 25 | /* |
| 26 | NOTE: Sensor controls are disabled for now, becouse changing them while |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 27 | streaming sometimes results in out-of-sync video frames. We'll use |
| 28 | the default initialization, until we know how to stop and start video |
| 29 | in the chip. However, the image quality still looks good under various |
| 30 | light conditions. |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 31 | */ |
| 32 | |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 33 | #include <linux/delay.h> |
| 34 | #include "zc0301_sensor.h" |
| 35 | |
| 36 | |
| 37 | static struct zc0301_sensor pas202bcb; |
| 38 | |
| 39 | |
| 40 | static int pas202bcb_init(struct zc0301_device* cam) |
| 41 | { |
| 42 | int err = 0; |
| 43 | |
| 44 | err += zc0301_write_reg(cam, 0x0002, 0x00); |
| 45 | err += zc0301_write_reg(cam, 0x0003, 0x02); |
| 46 | err += zc0301_write_reg(cam, 0x0004, 0x80); |
| 47 | err += zc0301_write_reg(cam, 0x0005, 0x01); |
| 48 | err += zc0301_write_reg(cam, 0x0006, 0xE0); |
| 49 | err += zc0301_write_reg(cam, 0x0098, 0x00); |
| 50 | err += zc0301_write_reg(cam, 0x009A, 0x03); |
| 51 | err += zc0301_write_reg(cam, 0x011A, 0x00); |
| 52 | err += zc0301_write_reg(cam, 0x011C, 0x03); |
| 53 | err += zc0301_write_reg(cam, 0x009B, 0x01); |
| 54 | err += zc0301_write_reg(cam, 0x009C, 0xE6); |
| 55 | err += zc0301_write_reg(cam, 0x009D, 0x02); |
| 56 | err += zc0301_write_reg(cam, 0x009E, 0x86); |
| 57 | |
| 58 | err += zc0301_i2c_write(cam, 0x02, 0x02); |
| 59 | err += zc0301_i2c_write(cam, 0x0A, 0x01); |
| 60 | err += zc0301_i2c_write(cam, 0x0B, 0x01); |
| 61 | err += zc0301_i2c_write(cam, 0x0D, 0x00); |
| 62 | err += zc0301_i2c_write(cam, 0x12, 0x05); |
| 63 | err += zc0301_i2c_write(cam, 0x13, 0x63); |
| 64 | err += zc0301_i2c_write(cam, 0x15, 0x70); |
| 65 | |
| 66 | err += zc0301_write_reg(cam, 0x0101, 0xB7); |
| 67 | err += zc0301_write_reg(cam, 0x0100, 0x0D); |
| 68 | err += zc0301_write_reg(cam, 0x0189, 0x06); |
| 69 | err += zc0301_write_reg(cam, 0x01AD, 0x00); |
| 70 | err += zc0301_write_reg(cam, 0x01C5, 0x03); |
| 71 | err += zc0301_write_reg(cam, 0x01CB, 0x13); |
| 72 | err += zc0301_write_reg(cam, 0x0250, 0x08); |
| 73 | err += zc0301_write_reg(cam, 0x0301, 0x08); |
| 74 | err += zc0301_write_reg(cam, 0x018D, 0x70); |
| 75 | err += zc0301_write_reg(cam, 0x0008, 0x03); |
| 76 | err += zc0301_write_reg(cam, 0x01C6, 0x04); |
| 77 | err += zc0301_write_reg(cam, 0x01CB, 0x07); |
| 78 | err += zc0301_write_reg(cam, 0x0120, 0x11); |
| 79 | err += zc0301_write_reg(cam, 0x0121, 0x37); |
| 80 | err += zc0301_write_reg(cam, 0x0122, 0x58); |
| 81 | err += zc0301_write_reg(cam, 0x0123, 0x79); |
| 82 | err += zc0301_write_reg(cam, 0x0124, 0x91); |
| 83 | err += zc0301_write_reg(cam, 0x0125, 0xA6); |
| 84 | err += zc0301_write_reg(cam, 0x0126, 0xB8); |
| 85 | err += zc0301_write_reg(cam, 0x0127, 0xC7); |
| 86 | err += zc0301_write_reg(cam, 0x0128, 0xD3); |
| 87 | err += zc0301_write_reg(cam, 0x0129, 0xDE); |
| 88 | err += zc0301_write_reg(cam, 0x012A, 0xE6); |
| 89 | err += zc0301_write_reg(cam, 0x012B, 0xED); |
| 90 | err += zc0301_write_reg(cam, 0x012C, 0xF3); |
| 91 | err += zc0301_write_reg(cam, 0x012D, 0xF8); |
| 92 | err += zc0301_write_reg(cam, 0x012E, 0xFB); |
| 93 | err += zc0301_write_reg(cam, 0x012F, 0xFF); |
| 94 | err += zc0301_write_reg(cam, 0x0130, 0x26); |
| 95 | err += zc0301_write_reg(cam, 0x0131, 0x23); |
| 96 | err += zc0301_write_reg(cam, 0x0132, 0x20); |
| 97 | err += zc0301_write_reg(cam, 0x0133, 0x1C); |
| 98 | err += zc0301_write_reg(cam, 0x0134, 0x16); |
| 99 | err += zc0301_write_reg(cam, 0x0135, 0x13); |
| 100 | err += zc0301_write_reg(cam, 0x0136, 0x10); |
| 101 | err += zc0301_write_reg(cam, 0x0137, 0x0D); |
| 102 | err += zc0301_write_reg(cam, 0x0138, 0x0B); |
| 103 | err += zc0301_write_reg(cam, 0x0139, 0x09); |
| 104 | err += zc0301_write_reg(cam, 0x013A, 0x07); |
| 105 | err += zc0301_write_reg(cam, 0x013B, 0x06); |
| 106 | err += zc0301_write_reg(cam, 0x013C, 0x05); |
| 107 | err += zc0301_write_reg(cam, 0x013D, 0x04); |
| 108 | err += zc0301_write_reg(cam, 0x013E, 0x03); |
| 109 | err += zc0301_write_reg(cam, 0x013F, 0x02); |
| 110 | err += zc0301_write_reg(cam, 0x010A, 0x4C); |
| 111 | err += zc0301_write_reg(cam, 0x010B, 0xF5); |
| 112 | err += zc0301_write_reg(cam, 0x010C, 0xFF); |
| 113 | err += zc0301_write_reg(cam, 0x010D, 0xF9); |
| 114 | err += zc0301_write_reg(cam, 0x010E, 0x51); |
| 115 | err += zc0301_write_reg(cam, 0x010F, 0xF5); |
| 116 | err += zc0301_write_reg(cam, 0x0110, 0xFB); |
| 117 | err += zc0301_write_reg(cam, 0x0111, 0xED); |
| 118 | err += zc0301_write_reg(cam, 0x0112, 0x5F); |
| 119 | err += zc0301_write_reg(cam, 0x0180, 0x00); |
| 120 | err += zc0301_write_reg(cam, 0x0019, 0x00); |
| 121 | err += zc0301_write_reg(cam, 0x0087, 0x20); |
| 122 | err += zc0301_write_reg(cam, 0x0088, 0x21); |
| 123 | |
| 124 | err += zc0301_i2c_write(cam, 0x20, 0x02); |
| 125 | err += zc0301_i2c_write(cam, 0x21, 0x1B); |
| 126 | err += zc0301_i2c_write(cam, 0x03, 0x44); |
| 127 | err += zc0301_i2c_write(cam, 0x0E, 0x01); |
| 128 | err += zc0301_i2c_write(cam, 0x0F, 0x00); |
| 129 | |
| 130 | err += zc0301_write_reg(cam, 0x01A9, 0x14); |
| 131 | err += zc0301_write_reg(cam, 0x01AA, 0x24); |
| 132 | err += zc0301_write_reg(cam, 0x0190, 0x00); |
| 133 | err += zc0301_write_reg(cam, 0x0191, 0x02); |
| 134 | err += zc0301_write_reg(cam, 0x0192, 0x1B); |
| 135 | err += zc0301_write_reg(cam, 0x0195, 0x00); |
| 136 | err += zc0301_write_reg(cam, 0x0196, 0x00); |
| 137 | err += zc0301_write_reg(cam, 0x0197, 0x4D); |
| 138 | err += zc0301_write_reg(cam, 0x018C, 0x10); |
| 139 | err += zc0301_write_reg(cam, 0x018F, 0x20); |
| 140 | err += zc0301_write_reg(cam, 0x001D, 0x44); |
| 141 | err += zc0301_write_reg(cam, 0x001E, 0x6F); |
| 142 | err += zc0301_write_reg(cam, 0x001F, 0xAD); |
| 143 | err += zc0301_write_reg(cam, 0x0020, 0xEB); |
| 144 | err += zc0301_write_reg(cam, 0x0087, 0x0F); |
| 145 | err += zc0301_write_reg(cam, 0x0088, 0x0E); |
| 146 | err += zc0301_write_reg(cam, 0x0180, 0x40); |
| 147 | err += zc0301_write_reg(cam, 0x0192, 0x1B); |
| 148 | err += zc0301_write_reg(cam, 0x0191, 0x02); |
| 149 | err += zc0301_write_reg(cam, 0x0190, 0x00); |
| 150 | err += zc0301_write_reg(cam, 0x0116, 0x1D); |
| 151 | err += zc0301_write_reg(cam, 0x0117, 0x40); |
| 152 | err += zc0301_write_reg(cam, 0x0118, 0x99); |
| 153 | err += zc0301_write_reg(cam, 0x0180, 0x42); |
| 154 | err += zc0301_write_reg(cam, 0x0116, 0x1D); |
| 155 | err += zc0301_write_reg(cam, 0x0117, 0x40); |
| 156 | err += zc0301_write_reg(cam, 0x0118, 0x99); |
| 157 | err += zc0301_write_reg(cam, 0x0007, 0x00); |
| 158 | |
| 159 | err += zc0301_i2c_write(cam, 0x11, 0x01); |
| 160 | |
| 161 | msleep(100); |
| 162 | |
| 163 | return err; |
| 164 | } |
| 165 | |
| 166 | |
| 167 | static int pas202bcb_get_ctrl(struct zc0301_device* cam, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 168 | struct v4l2_control* ctrl) |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 169 | { |
| 170 | switch (ctrl->id) { |
| 171 | case V4L2_CID_EXPOSURE: |
| 172 | { |
| 173 | int r1 = zc0301_i2c_read(cam, 0x04, 1), |
| 174 | r2 = zc0301_i2c_read(cam, 0x05, 1); |
| 175 | if (r1 < 0 || r2 < 0) |
| 176 | return -EIO; |
| 177 | ctrl->value = (r1 << 6) | (r2 & 0x3f); |
| 178 | } |
| 179 | return 0; |
| 180 | case V4L2_CID_RED_BALANCE: |
| 181 | if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0) |
| 182 | return -EIO; |
| 183 | ctrl->value &= 0x0f; |
| 184 | return 0; |
| 185 | case V4L2_CID_BLUE_BALANCE: |
| 186 | if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0) |
| 187 | return -EIO; |
| 188 | ctrl->value &= 0x0f; |
| 189 | return 0; |
| 190 | case V4L2_CID_GAIN: |
| 191 | if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0) |
| 192 | return -EIO; |
| 193 | ctrl->value &= 0x1f; |
| 194 | return 0; |
| 195 | case ZC0301_V4L2_CID_GREEN_BALANCE: |
| 196 | if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0) |
| 197 | return -EIO; |
| 198 | ctrl->value &= 0x0f; |
| 199 | return 0; |
| 200 | case ZC0301_V4L2_CID_DAC_MAGNITUDE: |
| 201 | if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0) |
| 202 | return -EIO; |
| 203 | return 0; |
| 204 | default: |
| 205 | return -EINVAL; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | |
| 210 | static int pas202bcb_set_ctrl(struct zc0301_device* cam, |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 211 | const struct v4l2_control* ctrl) |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 212 | { |
| 213 | int err = 0; |
| 214 | |
| 215 | switch (ctrl->id) { |
| 216 | case V4L2_CID_EXPOSURE: |
| 217 | err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6); |
| 218 | err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f); |
| 219 | break; |
| 220 | case V4L2_CID_RED_BALANCE: |
| 221 | err += zc0301_i2c_write(cam, 0x09, ctrl->value); |
| 222 | break; |
| 223 | case V4L2_CID_BLUE_BALANCE: |
| 224 | err += zc0301_i2c_write(cam, 0x07, ctrl->value); |
| 225 | break; |
| 226 | case V4L2_CID_GAIN: |
| 227 | err += zc0301_i2c_write(cam, 0x10, ctrl->value); |
| 228 | break; |
| 229 | case ZC0301_V4L2_CID_GREEN_BALANCE: |
| 230 | err += zc0301_i2c_write(cam, 0x08, ctrl->value); |
| 231 | break; |
| 232 | case ZC0301_V4L2_CID_DAC_MAGNITUDE: |
| 233 | err += zc0301_i2c_write(cam, 0x0c, ctrl->value); |
| 234 | break; |
| 235 | default: |
| 236 | return -EINVAL; |
| 237 | } |
| 238 | err += zc0301_i2c_write(cam, 0x11, 0x01); |
| 239 | |
| 240 | return err ? -EIO : 0; |
| 241 | } |
| 242 | |
| 243 | |
| 244 | static struct zc0301_sensor pas202bcb = { |
| 245 | .name = "PAS202BCB", |
| 246 | .init = &pas202bcb_init, |
| 247 | .qctrl = { |
| 248 | { |
| 249 | .id = V4L2_CID_EXPOSURE, |
| 250 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 251 | .name = "exposure", |
| 252 | .minimum = 0x01e5, |
| 253 | .maximum = 0x3fff, |
| 254 | .step = 0x0001, |
| 255 | .default_value = 0x01e5, |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 256 | .flags = V4L2_CTRL_FLAG_DISABLED, |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 257 | }, |
| 258 | { |
| 259 | .id = V4L2_CID_GAIN, |
| 260 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 261 | .name = "global gain", |
| 262 | .minimum = 0x00, |
| 263 | .maximum = 0x1f, |
| 264 | .step = 0x01, |
| 265 | .default_value = 0x0c, |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 266 | .flags = V4L2_CTRL_FLAG_DISABLED, |
| 267 | }, |
| 268 | { |
| 269 | .id = ZC0301_V4L2_CID_DAC_MAGNITUDE, |
| 270 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 271 | .name = "DAC magnitude", |
| 272 | .minimum = 0x00, |
| 273 | .maximum = 0xff, |
| 274 | .step = 0x01, |
| 275 | .default_value = 0x00, |
| 276 | .flags = V4L2_CTRL_FLAG_DISABLED, |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 277 | }, |
| 278 | { |
| 279 | .id = V4L2_CID_RED_BALANCE, |
| 280 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 281 | .name = "red balance", |
| 282 | .minimum = 0x00, |
| 283 | .maximum = 0x0f, |
| 284 | .step = 0x01, |
| 285 | .default_value = 0x01, |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 286 | .flags = V4L2_CTRL_FLAG_DISABLED, |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 287 | }, |
| 288 | { |
| 289 | .id = V4L2_CID_BLUE_BALANCE, |
| 290 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 291 | .name = "blue balance", |
| 292 | .minimum = 0x00, |
| 293 | .maximum = 0x0f, |
| 294 | .step = 0x01, |
| 295 | .default_value = 0x05, |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 296 | .flags = V4L2_CTRL_FLAG_DISABLED, |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 297 | }, |
| 298 | { |
| 299 | .id = ZC0301_V4L2_CID_GREEN_BALANCE, |
| 300 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 301 | .name = "green balance", |
| 302 | .minimum = 0x00, |
| 303 | .maximum = 0x0f, |
| 304 | .step = 0x01, |
| 305 | .default_value = 0x00, |
Luca Risolia | a847423 | 2006-02-25 06:57:49 +0000 | [diff] [blame] | 306 | .flags = V4L2_CTRL_FLAG_DISABLED, |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 307 | }, |
| 308 | }, |
| 309 | .get_ctrl = &pas202bcb_get_ctrl, |
| 310 | .set_ctrl = &pas202bcb_set_ctrl, |
| 311 | .cropcap = { |
| 312 | .bounds = { |
| 313 | .left = 0, |
| 314 | .top = 0, |
| 315 | .width = 640, |
| 316 | .height = 480, |
| 317 | }, |
| 318 | .defrect = { |
| 319 | .left = 0, |
| 320 | .top = 0, |
| 321 | .width = 640, |
| 322 | .height = 480, |
| 323 | }, |
| 324 | }, |
| 325 | .pix_format = { |
| 326 | .width = 640, |
| 327 | .height = 480, |
| 328 | .pixelformat = V4L2_PIX_FMT_JPEG, |
Luca Risolia | 9e47a52 | 2006-02-08 00:05:27 +0000 | [diff] [blame] | 329 | .priv = 8, |
Luca Risolia | 4052fcc | 2007-06-13 15:11:15 -0300 | [diff] [blame] | 330 | .colorspace = V4L2_COLORSPACE_JPEG, |
Luca Risolia | 60f7805 | 2006-02-06 16:29:35 +0000 | [diff] [blame] | 331 | }, |
| 332 | }; |
| 333 | |
| 334 | |
| 335 | int zc0301_probe_pas202bcb(struct zc0301_device* cam) |
| 336 | { |
| 337 | int r0 = 0, r1 = 0, err = 0; |
| 338 | unsigned int pid = 0; |
| 339 | |
| 340 | err += zc0301_write_reg(cam, 0x0000, 0x01); |
| 341 | err += zc0301_write_reg(cam, 0x0010, 0x0e); |
| 342 | err += zc0301_write_reg(cam, 0x0001, 0x01); |
| 343 | err += zc0301_write_reg(cam, 0x0012, 0x03); |
| 344 | err += zc0301_write_reg(cam, 0x0012, 0x01); |
| 345 | err += zc0301_write_reg(cam, 0x008d, 0x08); |
| 346 | |
| 347 | msleep(10); |
| 348 | |
| 349 | r0 = zc0301_i2c_read(cam, 0x00, 1); |
| 350 | r1 = zc0301_i2c_read(cam, 0x01, 1); |
| 351 | |
| 352 | if (r0 < 0 || r1 < 0 || err) |
| 353 | return -EIO; |
| 354 | |
| 355 | pid = (r0 << 4) | ((r1 & 0xf0) >> 4); |
| 356 | if (pid != 0x017) |
| 357 | return -ENODEV; |
| 358 | |
| 359 | zc0301_attach_sensor(cam, &pas202bcb); |
| 360 | |
| 361 | return 0; |
| 362 | } |