1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Driver for the mt9m111 sensor 4 * 5 * Copyright (C) 2008 Erik Andr��n 6 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. 7 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> 8 * 9 * Portions of code to USB interface and ALi driver software, 10 * Copyright (c) 2006 Willem Duinker 11 * v4l2 interface modeled after the V4L2 driver 12 * for SN9C10x PC Camera Controllers 13 */ 14 15#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 16 17#include "m5602_mt9m111.h" 18 19static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl); 20static void mt9m111_dump_registers(struct sd *sd); 21 22static const unsigned char preinit_mt9m111[][4] = { 23 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, 24 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, 25 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, 26 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, 27 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, 28 {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, 29 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, 30 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, 31 32 {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, 33 {SENSOR, MT9M111_SC_RESET, 34 MT9M111_RESET | 35 MT9M111_RESTART | 36 MT9M111_ANALOG_STANDBY | 37 MT9M111_CHIP_DISABLE, 38 MT9M111_SHOW_BAD_FRAMES | 39 MT9M111_RESTART_BAD_FRAMES | 40 MT9M111_SYNCHRONIZE_CHANGES}, 41 42 {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, 43 {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, 44 {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, 45 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, 46 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, 47 {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, 48 {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, 49 {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, 50 51 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, 52 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, 53 {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, 54 {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, 55 {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, 56 {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, 57 58 {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00} 59}; 60 61static const unsigned char init_mt9m111[][4] = { 62 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, 63 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, 64 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, 65 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, 66 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, 67 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, 68 69 {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, 70 {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, 71 {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, 72 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, 73 {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, 74 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, 75 {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, 76 {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, 77 {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, 78 {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, 79 80 {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, 81 {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, 82 {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, 83 {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, 84 {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, 85 MT9M111_CP_OPERATING_MODE_CTL}, 86 {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, 87 {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, 88 MT9M111_2D_DEFECT_CORRECTION_ENABLE}, 89 {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, 90 MT9M111_2D_DEFECT_CORRECTION_ENABLE}, 91 {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, 92 {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, 93 {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, 94 {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, 95 {SENSOR, 0xcd, 0x00, 0x0e}, 96 {SENSOR, 0xd0, 0x00, 0x40}, 97 98 {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, 99 {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, 100 {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, 101 102 {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, 103 {SENSOR, 0x33, 0x03, 0x49}, 104 {SENSOR, 0x34, 0xc0, 0x19}, 105 {SENSOR, 0x3f, 0x20, 0x20}, 106 {SENSOR, 0x40, 0x20, 0x20}, 107 {SENSOR, 0x5a, 0xc0, 0x0a}, 108 {SENSOR, 0x70, 0x7b, 0x0a}, 109 {SENSOR, 0x71, 0xff, 0x00}, 110 {SENSOR, 0x72, 0x19, 0x0e}, 111 {SENSOR, 0x73, 0x18, 0x0f}, 112 {SENSOR, 0x74, 0x57, 0x32}, 113 {SENSOR, 0x75, 0x56, 0x34}, 114 {SENSOR, 0x76, 0x73, 0x35}, 115 {SENSOR, 0x77, 0x30, 0x12}, 116 {SENSOR, 0x78, 0x79, 0x02}, 117 {SENSOR, 0x79, 0x75, 0x06}, 118 {SENSOR, 0x7a, 0x77, 0x0a}, 119 {SENSOR, 0x7b, 0x78, 0x09}, 120 {SENSOR, 0x7c, 0x7d, 0x06}, 121 {SENSOR, 0x7d, 0x31, 0x10}, 122 {SENSOR, 0x7e, 0x00, 0x7e}, 123 {SENSOR, 0x80, 0x59, 0x04}, 124 {SENSOR, 0x81, 0x59, 0x04}, 125 {SENSOR, 0x82, 0x57, 0x0a}, 126 {SENSOR, 0x83, 0x58, 0x0b}, 127 {SENSOR, 0x84, 0x47, 0x0c}, 128 {SENSOR, 0x85, 0x48, 0x0e}, 129 {SENSOR, 0x86, 0x5b, 0x02}, 130 {SENSOR, 0x87, 0x00, 0x5c}, 131 {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, MT9M111_SEL_CONTEXT_B}, 132 {SENSOR, 0x60, 0x00, 0x80}, 133 {SENSOR, 0x61, 0x00, 0x00}, 134 {SENSOR, 0x62, 0x00, 0x00}, 135 {SENSOR, 0x63, 0x00, 0x00}, 136 {SENSOR, 0x64, 0x00, 0x00}, 137 138 {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, /* 13 */ 139 {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x12}, /* 18 */ 140 {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x00}, /* 1024 */ 141 {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x10}, /* 1296 */ 142 {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x60}, /* 352 */ 143 {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, /* 17 */ 144 {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x60}, /* 352 */ 145 {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, /* 17 */ 146 {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x0f}, /* 271 */ 147 {SENSOR, 0x30, 0x04, 0x00}, 148 /* Set number of blank rows chosen to 400 */ 149 {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0x90}, 150}; 151 152static const unsigned char start_mt9m111[][4] = { 153 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, 154 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, 155 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, 156 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, 157 {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, 158 {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, 159 {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, 160 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, 161 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, 162 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, 163 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, 164}; 165 166static struct v4l2_pix_format mt9m111_modes[] = { 167 { 168 640, 169 480, 170 V4L2_PIX_FMT_SBGGR8, 171 V4L2_FIELD_NONE, 172 .sizeimage = 640 * 480, 173 .bytesperline = 640, 174 .colorspace = V4L2_COLORSPACE_SRGB, 175 .priv = 0 176 } 177}; 178 179static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = { 180 .s_ctrl = mt9m111_s_ctrl, 181}; 182 183static const struct v4l2_ctrl_config mt9m111_greenbal_cfg = { 184 .ops = &mt9m111_ctrl_ops, 185 .id = M5602_V4L2_CID_GREEN_BALANCE, 186 .name = "Green Balance", 187 .type = V4L2_CTRL_TYPE_INTEGER, 188 .min = 0, 189 .max = 0x7ff, 190 .step = 1, 191 .def = MT9M111_GREEN_GAIN_DEFAULT, 192 .flags = V4L2_CTRL_FLAG_SLIDER, 193}; 194 195int mt9m111_probe(struct sd *sd) 196{ 197 u8 data[2] = {0x00, 0x00}; 198 int i, err; 199 struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; 200 201 if (force_sensor) { 202 if (force_sensor == MT9M111_SENSOR) { 203 pr_info("Forcing a %s sensor\n", mt9m111.name); 204 goto sensor_found; 205 } 206 /* If we want to force another sensor, don't try to probe this 207 * one */ 208 return -ENODEV; 209 } 210 211 gspca_dbg(gspca_dev, D_PROBE, "Probing for a mt9m111 sensor\n"); 212 213 /* Do the preinit */ 214 for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) { 215 if (preinit_mt9m111[i][0] == BRIDGE) { 216 err = m5602_write_bridge(sd, 217 preinit_mt9m111[i][1], 218 preinit_mt9m111[i][2]); 219 } else { 220 data[0] = preinit_mt9m111[i][2]; 221 data[1] = preinit_mt9m111[i][3]; 222 err = m5602_write_sensor(sd, 223 preinit_mt9m111[i][1], data, 2); 224 } 225 if (err < 0) 226 return err; 227 } 228 229 if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2)) 230 return -ENODEV; 231 232 if ((data[0] == 0x14) && (data[1] == 0x3a)) { 233 pr_info("Detected a mt9m111 sensor\n"); 234 goto sensor_found; 235 } 236 237 return -ENODEV; 238 239sensor_found: 240 sd->gspca_dev.cam.cam_mode = mt9m111_modes; 241 sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes); 242 243 return 0; 244} 245 246int mt9m111_init(struct sd *sd) 247{ 248 int i, err = 0; 249 250 /* Init the sensor */ 251 for (i = 0; i < ARRAY_SIZE(init_mt9m111) && !err; i++) { 252 u8 data[2]; 253 254 if (init_mt9m111[i][0] == BRIDGE) { 255 err = m5602_write_bridge(sd, 256 init_mt9m111[i][1], 257 init_mt9m111[i][2]); 258 } else { 259 data[0] = init_mt9m111[i][2]; 260 data[1] = init_mt9m111[i][3]; 261 err = m5602_write_sensor(sd, 262 init_mt9m111[i][1], data, 2); 263 } 264 } 265 266 if (dump_sensor) 267 mt9m111_dump_registers(sd); 268 269 return 0; 270} 271 272int mt9m111_init_controls(struct sd *sd) 273{ 274 struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler; 275 276 sd->gspca_dev.vdev.ctrl_handler = hdl; 277 v4l2_ctrl_handler_init(hdl, 7); 278 279 sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, 280 V4L2_CID_AUTO_WHITE_BALANCE, 281 0, 1, 1, 0); 282 sd->green_bal = v4l2_ctrl_new_custom(hdl, &mt9m111_greenbal_cfg, NULL); 283 sd->red_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, 284 V4L2_CID_RED_BALANCE, 0, 0x7ff, 1, 285 MT9M111_RED_GAIN_DEFAULT); 286 sd->blue_bal = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, 287 V4L2_CID_BLUE_BALANCE, 0, 0x7ff, 1, 288 MT9M111_BLUE_GAIN_DEFAULT); 289 290 v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_GAIN, 0, 291 (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2, 1, 292 MT9M111_DEFAULT_GAIN); 293 294 sd->hflip = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_HFLIP, 295 0, 1, 1, 0); 296 sd->vflip = v4l2_ctrl_new_std(hdl, &mt9m111_ctrl_ops, V4L2_CID_VFLIP, 297 0, 1, 1, 0); 298 299 if (hdl->error) { 300 pr_err("Could not initialize controls\n"); 301 return hdl->error; 302 } 303 304 v4l2_ctrl_auto_cluster(4, &sd->auto_white_bal, 0, false); 305 v4l2_ctrl_cluster(2, &sd->hflip); 306 307 return 0; 308} 309 310int mt9m111_start(struct sd *sd) 311{ 312 int i, err = 0; 313 u8 data[2]; 314 struct cam *cam = &sd->gspca_dev.cam; 315 struct gspca_dev *gspca_dev = (struct gspca_dev *)sd; 316 317 int width = cam->cam_mode[sd->gspca_dev.curr_mode].width - 1; 318 int height = cam->cam_mode[sd->gspca_dev.curr_mode].height; 319 320 for (i = 0; i < ARRAY_SIZE(start_mt9m111) && !err; i++) { 321 if (start_mt9m111[i][0] == BRIDGE) { 322 err = m5602_write_bridge(sd, 323 start_mt9m111[i][1], 324 start_mt9m111[i][2]); 325 } else { 326 data[0] = start_mt9m111[i][2]; 327 data[1] = start_mt9m111[i][3]; 328 err = m5602_write_sensor(sd, 329 start_mt9m111[i][1], data, 2); 330 } 331 } 332 if (err < 0) 333 return err; 334 335 err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff); 336 if (err < 0) 337 return err; 338 339 err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff)); 340 if (err < 0) 341 return err; 342 343 for (i = 0; i < 2 && !err; i++) 344 err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); 345 if (err < 0) 346 return err; 347 348 err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); 349 if (err < 0) 350 return err; 351 352 err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 2); 353 if (err < 0) 354 return err; 355 356 for (i = 0; i < 2 && !err; i++) 357 err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0); 358 if (err < 0) 359 return err; 360 361 err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 362 (width >> 8) & 0xff); 363 if (err < 0) 364 return err; 365 366 err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, width & 0xff); 367 if (err < 0) 368 return err; 369 370 err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); 371 if (err < 0) 372 return err; 373 374 switch (width) { 375 case 640: 376 gspca_dbg(gspca_dev, D_CONF, "Configuring camera for VGA mode\n"); 377 break; 378 379 case 320: 380 gspca_dbg(gspca_dev, D_CONF, "Configuring camera for QVGA mode\n"); 381 break; 382 } 383 return err; 384} 385 386void mt9m111_disconnect(struct sd *sd) 387{ 388 sd->sensor = NULL; 389} 390 391static int mt9m111_set_hvflip(struct gspca_dev *gspca_dev) 392{ 393 int err; 394 u8 data[2] = {0x00, 0x00}; 395 struct sd *sd = (struct sd *) gspca_dev; 396 int hflip; 397 int vflip; 398 399 gspca_dbg(gspca_dev, D_CONF, "Set hvflip to %d %d\n", 400 sd->hflip->val, sd->vflip->val); 401 402 /* The mt9m111 is flipped by default */ 403 hflip = !sd->hflip->val; 404 vflip = !sd->vflip->val; 405 406 /* Set the correct page map */ 407 err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); 408 if (err < 0) 409 return err; 410 411 data[0] = MT9M111_RMB_OVER_SIZED; 412 if (gspca_dev->pixfmt.width == 640) { 413 data[1] = MT9M111_RMB_ROW_SKIP_2X | 414 MT9M111_RMB_COLUMN_SKIP_2X | 415 (hflip << 1) | vflip; 416 } else { 417 data[1] = MT9M111_RMB_ROW_SKIP_4X | 418 MT9M111_RMB_COLUMN_SKIP_4X | 419 (hflip << 1) | vflip; 420 } 421 err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, 422 data, 2); 423 return err; 424} 425 426static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev, 427 __s32 val) 428{ 429 struct sd *sd = (struct sd *) gspca_dev; 430 int err; 431 u8 data[2]; 432 433 err = m5602_read_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2); 434 if (err < 0) 435 return err; 436 437 data[1] = ((data[1] & 0xfd) | ((val & 0x01) << 1)); 438 439 err = m5602_write_sensor(sd, MT9M111_CP_OPERATING_MODE_CTL, data, 2); 440 441 gspca_dbg(gspca_dev, D_CONF, "Set auto white balance %d\n", val); 442 return err; 443} 444 445static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val) 446{ 447 int err, tmp; 448 u8 data[2] = {0x00, 0x00}; 449 struct sd *sd = (struct sd *) gspca_dev; 450 451 /* Set the correct page map */ 452 err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); 453 if (err < 0) 454 return err; 455 456 if (val >= INITIAL_MAX_GAIN * 2 * 2 * 2) 457 return -EINVAL; 458 459 if ((val >= INITIAL_MAX_GAIN * 2 * 2) && 460 (val < (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2)) 461 tmp = (1 << 10) | (val << 9) | 462 (val << 8) | (val / 8); 463 else if ((val >= INITIAL_MAX_GAIN * 2) && 464 (val < INITIAL_MAX_GAIN * 2 * 2)) 465 tmp = (1 << 9) | (1 << 8) | (val / 4); 466 else if ((val >= INITIAL_MAX_GAIN) && 467 (val < INITIAL_MAX_GAIN * 2)) 468 tmp = (1 << 8) | (val / 2); 469 else 470 tmp = val; 471 472 data[1] = (tmp & 0xff); 473 data[0] = (tmp & 0xff00) >> 8; 474 gspca_dbg(gspca_dev, D_CONF, "tmp=%d, data[1]=%d, data[0]=%d\n", tmp, 475 data[1], data[0]); 476 477 err = m5602_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN, 478 data, 2); 479 480 return err; 481} 482 483static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val) 484{ 485 int err; 486 u8 data[2]; 487 struct sd *sd = (struct sd *) gspca_dev; 488 489 data[1] = (val & 0xff); 490 data[0] = (val & 0xff00) >> 8; 491 492 gspca_dbg(gspca_dev, D_CONF, "Set green balance %d\n", val); 493 err = m5602_write_sensor(sd, MT9M111_SC_GREEN_1_GAIN, 494 data, 2); 495 if (err < 0) 496 return err; 497 498 return m5602_write_sensor(sd, MT9M111_SC_GREEN_2_GAIN, 499 data, 2); 500} 501 502static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) 503{ 504 u8 data[2]; 505 struct sd *sd = (struct sd *) gspca_dev; 506 507 data[1] = (val & 0xff); 508 data[0] = (val & 0xff00) >> 8; 509 510 gspca_dbg(gspca_dev, D_CONF, "Set blue balance %d\n", val); 511 512 return m5602_write_sensor(sd, MT9M111_SC_BLUE_GAIN, 513 data, 2); 514} 515 516static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) 517{ 518 u8 data[2]; 519 struct sd *sd = (struct sd *) gspca_dev; 520 521 data[1] = (val & 0xff); 522 data[0] = (val & 0xff00) >> 8; 523 524 gspca_dbg(gspca_dev, D_CONF, "Set red balance %d\n", val); 525 526 return m5602_write_sensor(sd, MT9M111_SC_RED_GAIN, 527 data, 2); 528} 529 530static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl) 531{ 532 struct gspca_dev *gspca_dev = 533 container_of(ctrl->handler, struct gspca_dev, ctrl_handler); 534 struct sd *sd = (struct sd *) gspca_dev; 535 int err; 536 537 if (!gspca_dev->streaming) 538 return 0; 539 540 switch (ctrl->id) { 541 case V4L2_CID_AUTO_WHITE_BALANCE: 542 err = mt9m111_set_auto_white_balance(gspca_dev, ctrl->val); 543 if (err || ctrl->val) 544 return err; 545 err = mt9m111_set_green_balance(gspca_dev, sd->green_bal->val); 546 if (err) 547 return err; 548 err = mt9m111_set_red_balance(gspca_dev, sd->red_bal->val); 549 if (err) 550 return err; 551 err = mt9m111_set_blue_balance(gspca_dev, sd->blue_bal->val); 552 break; 553 case V4L2_CID_GAIN: 554 err = mt9m111_set_gain(gspca_dev, ctrl->val); 555 break; 556 case V4L2_CID_HFLIP: 557 err = mt9m111_set_hvflip(gspca_dev); 558 break; 559 default: 560 return -EINVAL; 561 } 562 563 return err; 564} 565 566static void mt9m111_dump_registers(struct sd *sd) 567{ 568 u8 address, value[2] = {0x00, 0x00}; 569 570 pr_info("Dumping the mt9m111 register state\n"); 571 572 pr_info("Dumping the mt9m111 sensor core registers\n"); 573 value[1] = MT9M111_SENSOR_CORE; 574 m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); 575 for (address = 0; address < 0xff; address++) { 576 m5602_read_sensor(sd, address, value, 2); 577 pr_info("register 0x%x contains 0x%x%x\n", 578 address, value[0], value[1]); 579 } 580 581 pr_info("Dumping the mt9m111 color pipeline registers\n"); 582 value[1] = MT9M111_COLORPIPE; 583 m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); 584 for (address = 0; address < 0xff; address++) { 585 m5602_read_sensor(sd, address, value, 2); 586 pr_info("register 0x%x contains 0x%x%x\n", 587 address, value[0], value[1]); 588 } 589 590 pr_info("Dumping the mt9m111 camera control registers\n"); 591 value[1] = MT9M111_CAMERA_CONTROL; 592 m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); 593 for (address = 0; address < 0xff; address++) { 594 m5602_read_sensor(sd, address, value, 2); 595 pr_info("register 0x%x contains 0x%x%x\n", 596 address, value[0], value[1]); 597 } 598 599 pr_info("mt9m111 register state dump complete\n"); 600} 601