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@@ -1,3 +1,4 @@
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+
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/*
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* Driver for the ov9650 sensor
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*
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@@ -23,6 +24,157 @@
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static int ov9650_s_ctrl(struct v4l2_ctrl *ctrl);
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static void ov9650_dump_registers(struct sd *sd);
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+static const unsigned char preinit_ov9650[][3] = {
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+ /* [INITCAM] */
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+ {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
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+ {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
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+ {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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+ {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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+ {BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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+ {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
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+
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+ {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08},
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+ {BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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+ {BRIDGE, M5602_XB_GPIO_DAT, 0x04},
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+ {BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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+ {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
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+ {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
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+ {BRIDGE, M5602_XB_GPIO_DAT, 0x00},
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+ {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a},
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+ /* Reset chip */
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+ {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
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+ /* Enable double clock */
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+ {SENSOR, OV9650_CLKRC, 0x80},
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+ /* Do something out of spec with the power */
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+ {SENSOR, OV9650_OFON, 0x40}
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+};
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+
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+static const unsigned char init_ov9650[][3] = {
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+ /* [INITCAM] */
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+ {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
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+ {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
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+ {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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+ {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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+ {BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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+ {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
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+
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+ {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08},
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+ {BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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+ {BRIDGE, M5602_XB_GPIO_DAT, 0x04},
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+ {BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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+ {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
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+ {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
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+ {BRIDGE, M5602_XB_GPIO_DAT, 0x00},
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+ {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a},
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+
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+ /* Reset chip */
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+ {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
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+ /* One extra reset is needed in order to make the sensor behave
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+ properly when resuming from ram, could be a timing issue */
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+ {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
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+
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+ /* Enable double clock */
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+ {SENSOR, OV9650_CLKRC, 0x80},
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+ /* Do something out of spec with the power */
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+ {SENSOR, OV9650_OFON, 0x40},
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+
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+ /* Set fast AGC/AEC algorithm with unlimited step size */
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+ {SENSOR, OV9650_COM8, OV9650_FAST_AGC_AEC |
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+ OV9650_AEC_UNLIM_STEP_SIZE},
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+
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+ {SENSOR, OV9650_CHLF, 0x10},
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+ {SENSOR, OV9650_ARBLM, 0xbf},
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+ {SENSOR, OV9650_ACOM38, 0x81},
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+ /* Turn off color matrix coefficient double option */
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+ {SENSOR, OV9650_COM16, 0x00},
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+ /* Enable color matrix for RGB/YUV, Delay Y channel,
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+ set output Y/UV delay to 1 */
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+ {SENSOR, OV9650_COM13, 0x19},
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+ /* Enable digital BLC, Set output mode to U Y V Y */
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+ {SENSOR, OV9650_TSLB, 0x0c},
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+ /* Limit the AGC/AEC stable upper region */
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+ {SENSOR, OV9650_COM24, 0x00},
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+ /* Enable HREF and some out of spec things */
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+ {SENSOR, OV9650_COM12, 0x73},
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+ /* Set all DBLC offset signs to positive and
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+ do some out of spec stuff */
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+ {SENSOR, OV9650_DBLC1, 0xdf},
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+ {SENSOR, OV9650_COM21, 0x06},
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+ {SENSOR, OV9650_RSVD35, 0x91},
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+ /* Necessary, no camera stream without it */
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+ {SENSOR, OV9650_RSVD16, 0x06},
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+ {SENSOR, OV9650_RSVD94, 0x99},
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+ {SENSOR, OV9650_RSVD95, 0x99},
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+ {SENSOR, OV9650_RSVD96, 0x04},
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+ /* Enable full range output */
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+ {SENSOR, OV9650_COM15, 0x0},
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+ /* Enable HREF at optical black, enable ADBLC bias,
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+ enable ADBLC, reset timings at format change */
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+ {SENSOR, OV9650_COM6, 0x4b},
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+ /* Subtract 32 from the B channel bias */
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+ {SENSOR, OV9650_BBIAS, 0xa0},
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+ /* Subtract 32 from the Gb channel bias */
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+ {SENSOR, OV9650_GbBIAS, 0xa0},
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+ /* Do not bypass the analog BLC and to some out of spec stuff */
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+ {SENSOR, OV9650_Gr_COM, 0x00},
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+ /* Subtract 32 from the R channel bias */
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+ {SENSOR, OV9650_RBIAS, 0xa0},
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+ /* Subtract 32 from the R channel bias */
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+ {SENSOR, OV9650_RBIAS, 0x0},
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+ {SENSOR, OV9650_COM26, 0x80},
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+ {SENSOR, OV9650_ACOMA9, 0x98},
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+ /* Set the AGC/AEC stable region upper limit */
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+ {SENSOR, OV9650_AEW, 0x68},
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+ /* Set the AGC/AEC stable region lower limit */
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+ {SENSOR, OV9650_AEB, 0x5c},
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+ /* Set the high and low limit nibbles to 3 */
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+ {SENSOR, OV9650_VPT, 0xc3},
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+ /* Set the Automatic Gain Ceiling (AGC) to 128x,
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+ drop VSYNC at frame drop,
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+ limit exposure timing,
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+ drop frame when the AEC step is larger than the exposure gap */
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+ {SENSOR, OV9650_COM9, 0x6e},
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+ /* Set VSYNC negative, Set RESET to SLHS (slave mode horizontal sync)
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+ and set PWDN to SLVS (slave mode vertical sync) */
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+ {SENSOR, OV9650_COM10, 0x42},
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+ /* Set horizontal column start high to default value */
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+ {SENSOR, OV9650_HSTART, 0x1a}, /* 210 */
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+ /* Set horizontal column end */
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+ {SENSOR, OV9650_HSTOP, 0xbf}, /* 1534 */
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+ /* Complementing register to the two writes above */
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+ {SENSOR, OV9650_HREF, 0xb2},
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+ /* Set vertical row start high bits */
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+ {SENSOR, OV9650_VSTRT, 0x02},
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+ /* Set vertical row end low bits */
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+ {SENSOR, OV9650_VSTOP, 0x7e},
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+ /* Set complementing vertical frame control */
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+ {SENSOR, OV9650_VREF, 0x10},
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+ {SENSOR, OV9650_ADC, 0x04},
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+ {SENSOR, OV9650_HV, 0x40},
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+
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+ /* Enable denoise, and white-pixel erase */
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+ {SENSOR, OV9650_COM22, OV9650_DENOISE_ENABLE |
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+ OV9650_WHITE_PIXEL_ENABLE |
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+ OV9650_WHITE_PIXEL_OPTION},
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+
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+ /* Enable VARIOPIXEL */
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+ {SENSOR, OV9650_COM3, OV9650_VARIOPIXEL},
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+ {SENSOR, OV9650_COM4, OV9650_QVGA_VARIOPIXEL},
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+
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+ /* Put the sensor in soft sleep mode */
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+ {SENSOR, OV9650_COM2, OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X},
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+};
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+
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+static const unsigned char res_init_ov9650[][3] = {
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+ {SENSOR, OV9650_COM2, OV9650_OUTPUT_DRIVE_2X},
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+
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+ {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82},
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+ {BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00},
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+ {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82},
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+ {BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00},
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+ {BRIDGE, M5602_XB_SIG_INI, 0x01}
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+};
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+
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/* Vertically and horizontally flips the image if matched, needed for machines
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where the sensor is mounted upside down */
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static
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Mauro Carvalho Chehab