1/*************************************************************************** 2 * Plug-in for HV7131R 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" 23 24 25static int hv7131r_init(struct sn9c102_device* cam) 26{ 27 int err = 0; 28 29 switch (sn9c102_get_bridge(cam)) { 30 case BRIDGE_SN9C103: 31 err = sn9c102_write_const_regs(cam, {0x00, 0x03}, {0x1a, 0x04}, 32 {0x20, 0x05}, {0x20, 0x06}, 33 {0x03, 0x10}, {0x00, 0x14}, 34 {0x60, 0x17}, {0x0a, 0x18}, 35 {0xf0, 0x19}, {0x1d, 0x1a}, 36 {0x10, 0x1b}, {0x02, 0x1c}, 37 {0x03, 0x1d}, {0x0f, 0x1e}, 38 {0x0c, 0x1f}, {0x00, 0x20}, 39 {0x10, 0x21}, {0x20, 0x22}, 40 {0x30, 0x23}, {0x40, 0x24}, 41 {0x50, 0x25}, {0x60, 0x26}, 42 {0x70, 0x27}, {0x80, 0x28}, 43 {0x90, 0x29}, {0xa0, 0x2a}, 44 {0xb0, 0x2b}, {0xc0, 0x2c}, 45 {0xd0, 0x2d}, {0xe0, 0x2e}, 46 {0xf0, 0x2f}, {0xff, 0x30}); 47 break; 48 case BRIDGE_SN9C105: 49 case BRIDGE_SN9C120: 50 err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02}, 51 {0x00, 0x03}, {0x1a, 0x04}, 52 {0x44, 0x05}, {0x3e, 0x06}, 53 {0x1a, 0x07}, {0x03, 0x10}, 54 {0x08, 0x14}, {0xa3, 0x17}, 55 {0x4b, 0x18}, {0x00, 0x19}, 56 {0x1d, 0x1a}, {0x10, 0x1b}, 57 {0x02, 0x1c}, {0x03, 0x1d}, 58 {0x0f, 0x1e}, {0x0c, 0x1f}, 59 {0x00, 0x20}, {0x29, 0x21}, 60 {0x40, 0x22}, {0x54, 0x23}, 61 {0x66, 0x24}, {0x76, 0x25}, 62 {0x85, 0x26}, {0x94, 0x27}, 63 {0xa1, 0x28}, {0xae, 0x29}, 64 {0xbb, 0x2a}, {0xc7, 0x2b}, 65 {0xd3, 0x2c}, {0xde, 0x2d}, 66 {0xea, 0x2e}, {0xf4, 0x2f}, 67 {0xff, 0x30}, {0x00, 0x3F}, 68 {0xC7, 0x40}, {0x01, 0x41}, 69 {0x44, 0x42}, {0x00, 0x43}, 70 {0x44, 0x44}, {0x00, 0x45}, 71 {0x44, 0x46}, {0x00, 0x47}, 72 {0xC7, 0x48}, {0x01, 0x49}, 73 {0xC7, 0x4A}, {0x01, 0x4B}, 74 {0xC7, 0x4C}, {0x01, 0x4D}, 75 {0x44, 0x4E}, {0x00, 0x4F}, 76 {0x44, 0x50}, {0x00, 0x51}, 77 {0x44, 0x52}, {0x00, 0x53}, 78 {0xC7, 0x54}, {0x01, 0x55}, 79 {0xC7, 0x56}, {0x01, 0x57}, 80 {0xC7, 0x58}, {0x01, 0x59}, 81 {0x44, 0x5A}, {0x00, 0x5B}, 82 {0x44, 0x5C}, {0x00, 0x5D}, 83 {0x44, 0x5E}, {0x00, 0x5F}, 84 {0xC7, 0x60}, {0x01, 0x61}, 85 {0xC7, 0x62}, {0x01, 0x63}, 86 {0xC7, 0x64}, {0x01, 0x65}, 87 {0x44, 0x66}, {0x00, 0x67}, 88 {0x44, 0x68}, {0x00, 0x69}, 89 {0x44, 0x6A}, {0x00, 0x6B}, 90 {0xC7, 0x6C}, {0x01, 0x6D}, 91 {0xC7, 0x6E}, {0x01, 0x6F}, 92 {0xC7, 0x70}, {0x01, 0x71}, 93 {0x44, 0x72}, {0x00, 0x73}, 94 {0x44, 0x74}, {0x00, 0x75}, 95 {0x44, 0x76}, {0x00, 0x77}, 96 {0xC7, 0x78}, {0x01, 0x79}, 97 {0xC7, 0x7A}, {0x01, 0x7B}, 98 {0xC7, 0x7C}, {0x01, 0x7D}, 99 {0x44, 0x7E}, {0x00, 0x7F}, 100 {0x14, 0x84}, {0x00, 0x85}, 101 {0x27, 0x86}, {0x00, 0x87}, 102 {0x07, 0x88}, {0x00, 0x89}, 103 {0xEC, 0x8A}, {0x0f, 0x8B}, 104 {0xD8, 0x8C}, {0x0f, 0x8D}, 105 {0x3D, 0x8E}, {0x00, 0x8F}, 106 {0x3D, 0x90}, {0x00, 0x91}, 107 {0xCD, 0x92}, {0x0f, 0x93}, 108 {0xf7, 0x94}, {0x0f, 0x95}, 109 {0x0C, 0x96}, {0x00, 0x97}, 110 {0x00, 0x98}, {0x66, 0x99}, 111 {0x05, 0x9A}, {0x00, 0x9B}, 112 {0x04, 0x9C}, {0x00, 0x9D}, 113 {0x08, 0x9E}, {0x00, 0x9F}, 114 {0x2D, 0xC0}, {0x2D, 0xC1}, 115 {0x3A, 0xC2}, {0x05, 0xC3}, 116 {0x04, 0xC4}, {0x3F, 0xC5}, 117 {0x00, 0xC6}, {0x00, 0xC7}, 118 {0x50, 0xC8}, {0x3C, 0xC9}, 119 {0x28, 0xCA}, {0xD8, 0xCB}, 120 {0x14, 0xCC}, {0xEC, 0xCD}, 121 {0x32, 0xCE}, {0xDD, 0xCF}, 122 {0x32, 0xD0}, {0xDD, 0xD1}, 123 {0x6A, 0xD2}, {0x50, 0xD3}, 124 {0x00, 0xD4}, {0x00, 0xD5}, 125 {0x00, 0xD6}); 126 break; 127 default: 128 break; 129 } 130 131 err += sn9c102_i2c_write(cam, 0x20, 0x00); 132 err += sn9c102_i2c_write(cam, 0x21, 0xd6); 133 err += sn9c102_i2c_write(cam, 0x25, 0x06); 134 135 return err; 136} 137 138 139static int hv7131r_get_ctrl(struct sn9c102_device* cam, 140 struct v4l2_control* ctrl) 141{ 142 switch (ctrl->id) { 143 case V4L2_CID_GAIN: 144 if ((ctrl->value = sn9c102_i2c_read(cam, 0x30)) < 0) 145 return -EIO; 146 return 0; 147 case V4L2_CID_RED_BALANCE: 148 if ((ctrl->value = sn9c102_i2c_read(cam, 0x31)) < 0) 149 return -EIO; 150 ctrl->value = ctrl->value & 0x3f; 151 return 0; 152 case V4L2_CID_BLUE_BALANCE: 153 if ((ctrl->value = sn9c102_i2c_read(cam, 0x33)) < 0) 154 return -EIO; 155 ctrl->value = ctrl->value & 0x3f; 156 return 0; 157 case SN9C102_V4L2_CID_GREEN_BALANCE: 158 if ((ctrl->value = sn9c102_i2c_read(cam, 0x32)) < 0) 159 return -EIO; 160 ctrl->value = ctrl->value & 0x3f; 161 return 0; 162 case V4L2_CID_BLACK_LEVEL: 163 if ((ctrl->value = sn9c102_i2c_read(cam, 0x01)) < 0) 164 return -EIO; 165 ctrl->value = (ctrl->value & 0x08) ? 1 : 0; 166 return 0; 167 default: 168 return -EINVAL; 169 } 170} 171 172 173static int hv7131r_set_ctrl(struct sn9c102_device* cam, 174 const struct v4l2_control* ctrl) 175{ 176 int err = 0; 177 178 switch (ctrl->id) { 179 case V4L2_CID_GAIN: 180 err += sn9c102_i2c_write(cam, 0x30, ctrl->value); 181 break; 182 case V4L2_CID_RED_BALANCE: 183 err += sn9c102_i2c_write(cam, 0x31, ctrl->value); 184 break; 185 case V4L2_CID_BLUE_BALANCE: 186 err += sn9c102_i2c_write(cam, 0x33, ctrl->value); 187 break; 188 case SN9C102_V4L2_CID_GREEN_BALANCE: 189 err += sn9c102_i2c_write(cam, 0x32, ctrl->value); 190 break; 191 case V4L2_CID_BLACK_LEVEL: 192 { 193 int r = sn9c102_i2c_read(cam, 0x01); 194 if (r < 0) 195 return -EIO; 196 err += sn9c102_i2c_write(cam, 0x01, 197 (ctrl->value<<3) | (r&0xf7)); 198 } 199 break; 200 default: 201 return -EINVAL; 202 } 203 204 return err ? -EIO : 0; 205} 206 207 208static int hv7131r_set_crop(struct sn9c102_device* cam, 209 const struct v4l2_rect* rect) 210{ 211 struct sn9c102_sensor* s = sn9c102_get_sensor(cam); 212 int err = 0; 213 u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1, 214 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1; 215 216 err += sn9c102_write_reg(cam, h_start, 0x12); 217 err += sn9c102_write_reg(cam, v_start, 0x13); 218 219 return err; 220} 221 222 223static int hv7131r_set_pix_format(struct sn9c102_device* cam, 224 const struct v4l2_pix_format* pix) 225{ 226 int err = 0; 227 228 switch (sn9c102_get_bridge(cam)) { 229 case BRIDGE_SN9C103: 230 if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) { 231 err += sn9c102_write_reg(cam, 0xa0, 0x19); 232 err += sn9c102_i2c_write(cam, 0x01, 0x04); 233 } else { 234 err += sn9c102_write_reg(cam, 0x30, 0x19); 235 err += sn9c102_i2c_write(cam, 0x01, 0x04); 236 } 237 break; 238 case BRIDGE_SN9C105: 239 case BRIDGE_SN9C120: 240 if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) { 241 err += sn9c102_write_reg(cam, 0xa5, 0x17); 242 err += sn9c102_i2c_write(cam, 0x01, 0x24); 243 } else { 244 err += sn9c102_write_reg(cam, 0xa3, 0x17); 245 err += sn9c102_i2c_write(cam, 0x01, 0x04); 246 } 247 break; 248 default: 249 break; 250 } 251 252 return err; 253} 254 255 256static const struct sn9c102_sensor hv7131r = { 257 .name = "HV7131R", 258 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", 259 .supported_bridge = BRIDGE_SN9C103 | BRIDGE_SN9C105 | BRIDGE_SN9C120, 260 .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE, 261 .frequency = SN9C102_I2C_100KHZ, 262 .interface = SN9C102_I2C_2WIRES, 263 .i2c_slave_id = 0x11, 264 .init = &hv7131r_init, 265 .qctrl = { 266 { 267 .id = V4L2_CID_GAIN, 268 .type = V4L2_CTRL_TYPE_INTEGER, 269 .name = "global gain", 270 .minimum = 0x00, 271 .maximum = 0xff, 272 .step = 0x01, 273 .default_value = 0x40, 274 .flags = 0, 275 }, 276 { 277 .id = V4L2_CID_RED_BALANCE, 278 .type = V4L2_CTRL_TYPE_INTEGER, 279 .name = "red balance", 280 .minimum = 0x00, 281 .maximum = 0x3f, 282 .step = 0x01, 283 .default_value = 0x08, 284 .flags = 0, 285 }, 286 { 287 .id = V4L2_CID_BLUE_BALANCE, 288 .type = V4L2_CTRL_TYPE_INTEGER, 289 .name = "blue balance", 290 .minimum = 0x00, 291 .maximum = 0x3f, 292 .step = 0x01, 293 .default_value = 0x1a, 294 .flags = 0, 295 }, 296 { 297 .id = SN9C102_V4L2_CID_GREEN_BALANCE, 298 .type = V4L2_CTRL_TYPE_INTEGER, 299 .name = "green balance", 300 .minimum = 0x00, 301 .maximum = 0x3f, 302 .step = 0x01, 303 .default_value = 0x2f, 304 .flags = 0, 305 }, 306 { 307 .id = V4L2_CID_BLACK_LEVEL, 308 .type = V4L2_CTRL_TYPE_BOOLEAN, 309 .name = "auto black level compensation", 310 .minimum = 0x00, 311 .maximum = 0x01, 312 .step = 0x01, 313 .default_value = 0x00, 314 .flags = 0, 315 }, 316 }, 317 .get_ctrl = &hv7131r_get_ctrl, 318 .set_ctrl = &hv7131r_set_ctrl, 319 .cropcap = { 320 .bounds = { 321 .left = 0, 322 .top = 0, 323 .width = 640, 324 .height = 480, 325 }, 326 .defrect = { 327 .left = 0, 328 .top = 0, 329 .width = 640, 330 .height = 480, 331 }, 332 }, 333 .set_crop = &hv7131r_set_crop, 334 .pix_format = { 335 .width = 640, 336 .height = 480, 337 .pixelformat = V4L2_PIX_FMT_SBGGR8, 338 .priv = 8, 339 }, 340 .set_pix_format = &hv7131r_set_pix_format 341}; 342 343 344int sn9c102_probe_hv7131r(struct sn9c102_device* cam) 345{ 346 int devid, err; 347 348 err = sn9c102_write_const_regs(cam, {0x09, 0x01}, {0x44, 0x02}, 349 {0x34, 0x01}, {0x20, 0x17}, 350 {0x34, 0x01}, {0x46, 0x01}); 351 352 devid = sn9c102_i2c_try_read(cam, &hv7131r, 0x00); 353 if (err || devid < 0) 354 return -EIO; 355 356 if (devid != 0x02) 357 return -ENODEV; 358 359 sn9c102_attach_sensor(cam, &hv7131r); 360 361 return 0; 362} 363