1 /* 2 * Driver for the ov9650 sensor 3 * 4 * Copyright (C) 2008 Erik Andrén 5 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. 6 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> 7 * 8 * Portions of code to USB interface and ALi driver software, 9 * Copyright (c) 2006 Willem Duinker 10 * v4l2 interface modeled after the V4L2 driver 11 * for SN9C10x PC Camera Controllers 12 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License as 15 * published by the Free Software Foundation, version 2. 16 * 17 */ 18 19 #ifndef M5602_OV9650_H_ 20 #define M5602_OV9650_H_ 21 22 #include <linux/dmi.h> 23 #include "m5602_sensor.h" 24 25 /*****************************************************************************/ 26 27 #define OV9650_GAIN 0x00 28 #define OV9650_BLUE 0x01 29 #define OV9650_RED 0x02 30 #define OV9650_VREF 0x03 31 #define OV9650_COM1 0x04 32 #define OV9650_BAVE 0x05 33 #define OV9650_GEAVE 0x06 34 #define OV9650_RSVD7 0x07 35 #define OV9650_COM2 0x09 36 #define OV9650_PID 0x0a 37 #define OV9650_VER 0x0b 38 #define OV9650_COM3 0x0c 39 #define OV9650_COM4 0x0d 40 #define OV9650_COM5 0x0e 41 #define OV9650_COM6 0x0f 42 #define OV9650_AECH 0x10 43 #define OV9650_CLKRC 0x11 44 #define OV9650_COM7 0x12 45 #define OV9650_COM8 0x13 46 #define OV9650_COM9 0x14 47 #define OV9650_COM10 0x15 48 #define OV9650_RSVD16 0x16 49 #define OV9650_HSTART 0x17 50 #define OV9650_HSTOP 0x18 51 #define OV9650_VSTRT 0x19 52 #define OV9650_VSTOP 0x1a 53 #define OV9650_PSHFT 0x1b 54 #define OV9650_MVFP 0x1e 55 #define OV9650_AEW 0x24 56 #define OV9650_AEB 0x25 57 #define OV9650_VPT 0x26 58 #define OV9650_BBIAS 0x27 59 #define OV9650_GbBIAS 0x28 60 #define OV9650_Gr_COM 0x29 61 #define OV9650_RBIAS 0x2c 62 #define OV9650_HREF 0x32 63 #define OV9650_CHLF 0x33 64 #define OV9650_ARBLM 0x34 65 #define OV9650_RSVD35 0x35 66 #define OV9650_RSVD36 0x36 67 #define OV9650_ADC 0x37 68 #define OV9650_ACOM38 0x38 69 #define OV9650_OFON 0x39 70 #define OV9650_TSLB 0x3a 71 #define OV9650_COM12 0x3c 72 #define OV9650_COM13 0x3d 73 #define OV9650_COM15 0x40 74 #define OV9650_COM16 0x41 75 #define OV9650_LCC1 0x62 76 #define OV9650_LCC2 0x63 77 #define OV9650_LCC3 0x64 78 #define OV9650_LCC4 0x65 79 #define OV9650_LCC5 0x66 80 #define OV9650_HV 0x69 81 #define OV9650_DBLV 0x6b 82 #define OV9650_COM21 0x8b 83 #define OV9650_COM22 0x8c 84 #define OV9650_COM24 0x8e 85 #define OV9650_DBLC1 0x8f 86 #define OV9650_RSVD94 0x94 87 #define OV9650_RSVD95 0x95 88 #define OV9650_RSVD96 0x96 89 #define OV9650_LCCFB 0x9d 90 #define OV9650_LCCFR 0x9e 91 #define OV9650_AECHM 0xa1 92 #define OV9650_COM26 0xa5 93 #define OV9650_ACOMA8 0xa8 94 #define OV9650_ACOMA9 0xa9 95 96 #define OV9650_REGISTER_RESET (1 << 7) 97 #define OV9650_VGA_SELECT (1 << 6) 98 #define OV9650_CIF_SELECT (1 << 5) 99 #define OV9650_QVGA_SELECT (1 << 4) 100 #define OV9650_QCIF_SELECT (1 << 3) 101 #define OV9650_RGB_SELECT (1 << 2) 102 #define OV9650_RAW_RGB_SELECT (1 << 0) 103 104 #define OV9650_FAST_AGC_AEC (1 << 7) 105 #define OV9650_AEC_UNLIM_STEP_SIZE (1 << 6) 106 #define OV9650_BANDING (1 << 5) 107 #define OV9650_AGC_EN (1 << 2) 108 #define OV9650_AWB_EN (1 << 1) 109 #define OV9650_AEC_EN (1 << 0) 110 111 #define OV9650_VARIOPIXEL (1 << 2) 112 #define OV9650_SYSTEM_CLK_SEL (1 << 7) 113 #define OV9650_SLAM_MODE (1 << 4) 114 115 #define OV9650_QVGA_VARIOPIXEL (1 << 7) 116 117 #define OV9650_VFLIP (1 << 4) 118 #define OV9650_HFLIP (1 << 5) 119 120 #define OV9650_SOFT_SLEEP (1 << 4) 121 #define OV9650_OUTPUT_DRIVE_2X (1 << 0) 122 123 #define OV9650_DENOISE_ENABLE (1 << 5) 124 #define OV9650_WHITE_PIXEL_ENABLE (1 << 1) 125 #define OV9650_WHITE_PIXEL_OPTION (1 << 0) 126 127 #define OV9650_LEFT_OFFSET 0x62 128 129 #define GAIN_DEFAULT 0x14 130 #define RED_GAIN_DEFAULT 0x70 131 #define BLUE_GAIN_DEFAULT 0x20 132 #define EXPOSURE_DEFAULT 0x1ff 133 134 /*****************************************************************************/ 135 136 /* Kernel module parameters */ 137 extern int force_sensor; 138 extern bool dump_sensor; 139 140 int ov9650_probe(struct sd *sd); 141 int ov9650_init(struct sd *sd); 142 int ov9650_init_controls(struct sd *sd); 143 int ov9650_start(struct sd *sd); 144 int ov9650_stop(struct sd *sd); 145 void ov9650_disconnect(struct sd *sd); 146 147 static const struct m5602_sensor ov9650 = { 148 .name = "OV9650", 149 .i2c_slave_id = 0x60, 150 .i2c_regW = 1, 151 .probe = ov9650_probe, 152 .init = ov9650_init, 153 .init_controls = ov9650_init_controls, 154 .start = ov9650_start, 155 .stop = ov9650_stop, 156 .disconnect = ov9650_disconnect, 157 }; 158 159 static const unsigned char preinit_ov9650[][3] = { 160 /* [INITCAM] */ 161 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, 162 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, 163 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, 164 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, 165 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, 166 {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, 167 168 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, 169 {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, 170 {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, 171 {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, 172 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, 173 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, 174 {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, 175 {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, 176 /* Reset chip */ 177 {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, 178 /* Enable double clock */ 179 {SENSOR, OV9650_CLKRC, 0x80}, 180 /* Do something out of spec with the power */ 181 {SENSOR, OV9650_OFON, 0x40} 182 }; 183 184 static const unsigned char init_ov9650[][3] = { 185 /* [INITCAM] */ 186 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, 187 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, 188 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, 189 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, 190 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, 191 {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, 192 193 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, 194 {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, 195 {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, 196 {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, 197 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, 198 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, 199 {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, 200 {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, 201 202 /* Reset chip */ 203 {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, 204 /* One extra reset is needed in order to make the sensor behave 205 properly when resuming from ram, could be a timing issue */ 206 {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, 207 208 /* Enable double clock */ 209 {SENSOR, OV9650_CLKRC, 0x80}, 210 /* Do something out of spec with the power */ 211 {SENSOR, OV9650_OFON, 0x40}, 212 213 /* Set fast AGC/AEC algorithm with unlimited step size */ 214 {SENSOR, OV9650_COM8, OV9650_FAST_AGC_AEC | 215 OV9650_AEC_UNLIM_STEP_SIZE}, 216 217 {SENSOR, OV9650_CHLF, 0x10}, 218 {SENSOR, OV9650_ARBLM, 0xbf}, 219 {SENSOR, OV9650_ACOM38, 0x81}, 220 /* Turn off color matrix coefficient double option */ 221 {SENSOR, OV9650_COM16, 0x00}, 222 /* Enable color matrix for RGB/YUV, Delay Y channel, 223 set output Y/UV delay to 1 */ 224 {SENSOR, OV9650_COM13, 0x19}, 225 /* Enable digital BLC, Set output mode to U Y V Y */ 226 {SENSOR, OV9650_TSLB, 0x0c}, 227 /* Limit the AGC/AEC stable upper region */ 228 {SENSOR, OV9650_COM24, 0x00}, 229 /* Enable HREF and some out of spec things */ 230 {SENSOR, OV9650_COM12, 0x73}, 231 /* Set all DBLC offset signs to positive and 232 do some out of spec stuff */ 233 {SENSOR, OV9650_DBLC1, 0xdf}, 234 {SENSOR, OV9650_COM21, 0x06}, 235 {SENSOR, OV9650_RSVD35, 0x91}, 236 /* Necessary, no camera stream without it */ 237 {SENSOR, OV9650_RSVD16, 0x06}, 238 {SENSOR, OV9650_RSVD94, 0x99}, 239 {SENSOR, OV9650_RSVD95, 0x99}, 240 {SENSOR, OV9650_RSVD96, 0x04}, 241 /* Enable full range output */ 242 {SENSOR, OV9650_COM15, 0x0}, 243 /* Enable HREF at optical black, enable ADBLC bias, 244 enable ADBLC, reset timings at format change */ 245 {SENSOR, OV9650_COM6, 0x4b}, 246 /* Subtract 32 from the B channel bias */ 247 {SENSOR, OV9650_BBIAS, 0xa0}, 248 /* Subtract 32 from the Gb channel bias */ 249 {SENSOR, OV9650_GbBIAS, 0xa0}, 250 /* Do not bypass the analog BLC and to some out of spec stuff */ 251 {SENSOR, OV9650_Gr_COM, 0x00}, 252 /* Subtract 32 from the R channel bias */ 253 {SENSOR, OV9650_RBIAS, 0xa0}, 254 /* Subtract 32 from the R channel bias */ 255 {SENSOR, OV9650_RBIAS, 0x0}, 256 {SENSOR, OV9650_COM26, 0x80}, 257 {SENSOR, OV9650_ACOMA9, 0x98}, 258 /* Set the AGC/AEC stable region upper limit */ 259 {SENSOR, OV9650_AEW, 0x68}, 260 /* Set the AGC/AEC stable region lower limit */ 261 {SENSOR, OV9650_AEB, 0x5c}, 262 /* Set the high and low limit nibbles to 3 */ 263 {SENSOR, OV9650_VPT, 0xc3}, 264 /* Set the Automatic Gain Ceiling (AGC) to 128x, 265 drop VSYNC at frame drop, 266 limit exposure timing, 267 drop frame when the AEC step is larger than the exposure gap */ 268 {SENSOR, OV9650_COM9, 0x6e}, 269 /* Set VSYNC negative, Set RESET to SLHS (slave mode horizontal sync) 270 and set PWDN to SLVS (slave mode vertical sync) */ 271 {SENSOR, OV9650_COM10, 0x42}, 272 /* Set horizontal column start high to default value */ 273 {SENSOR, OV9650_HSTART, 0x1a}, /* 210 */ 274 /* Set horizontal column end */ 275 {SENSOR, OV9650_HSTOP, 0xbf}, /* 1534 */ 276 /* Complementing register to the two writes above */ 277 {SENSOR, OV9650_HREF, 0xb2}, 278 /* Set vertical row start high bits */ 279 {SENSOR, OV9650_VSTRT, 0x02}, 280 /* Set vertical row end low bits */ 281 {SENSOR, OV9650_VSTOP, 0x7e}, 282 /* Set complementing vertical frame control */ 283 {SENSOR, OV9650_VREF, 0x10}, 284 {SENSOR, OV9650_ADC, 0x04}, 285 {SENSOR, OV9650_HV, 0x40}, 286 287 /* Enable denoise, and white-pixel erase */ 288 {SENSOR, OV9650_COM22, OV9650_DENOISE_ENABLE | 289 OV9650_WHITE_PIXEL_ENABLE | 290 OV9650_WHITE_PIXEL_OPTION}, 291 292 /* Enable VARIOPIXEL */ 293 {SENSOR, OV9650_COM3, OV9650_VARIOPIXEL}, 294 {SENSOR, OV9650_COM4, OV9650_QVGA_VARIOPIXEL}, 295 296 /* Put the sensor in soft sleep mode */ 297 {SENSOR, OV9650_COM2, OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X}, 298 }; 299 300 static const unsigned char res_init_ov9650[][3] = { 301 {SENSOR, OV9650_COM2, OV9650_OUTPUT_DRIVE_2X}, 302 303 {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82}, 304 {BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00}, 305 {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, 306 {BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00}, 307 {BRIDGE, M5602_XB_SIG_INI, 0x01} 308 }; 309 #endif 310