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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Driver for the mt9m111 sensor4 *5 * Copyright (C) 2008 Erik Andrén6 * 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 Duinker11 * v4l2 interface modeled after the V4L2 driver12 * for SN9C10x PC Camera Controllers13 */14 15#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt16 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 = 0176 }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 this207 * 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 else470 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