diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/gspca/sonixb.c | 101 |
1 files changed, 80 insertions, 21 deletions
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index 81a7dd6..43a7721 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -188,8 +188,8 @@ static const struct ctrl sd_ctrls[] = { .id = V4L2_CID_EXPOSURE, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Exposure", -#define EXPOSURE_DEF 66 /* 33 ms / 30 fps (except on PAS202) */ -#define EXPOSURE_KNEE 200 /* 100 ms / 10 fps (except on PAS202) */ +#define EXPOSURE_DEF 66 /* 33 ms / 30 fps (except on PASXXX) */ +#define EXPOSURE_KNEE 200 /* 100 ms / 10 fps (except on PASXXX) */ .minimum = 0, .maximum = 1023, .step = 1, @@ -408,6 +408,30 @@ static const __u8 initPas106[] = { 0x18, 0x10, 0x02, 0x02, 0x09, 0x07 }; /* compression 0x86 mckinit1 0x2b */ + +/* "Known" PAS106B registers: + 0x02 clock divider + 0x03 Variable framerate bits 4-11 + 0x04 Var framerate bits 0-3, one must leave the 4 msb's at 0 !! + The variable framerate control must never be set lower then 300, + which sets the framerate at 90 / reg02, otherwise vsync is lost. + 0x05 Shutter Time Line Offset, this can be used as an exposure control: + 0 = use full frame time, 255 = no exposure at all + Note this may never be larger then "var-framerate control" / 2 - 2. + When var-framerate control is < 514, no exposure is reached at the max + allowed value for the framerate control value, rather then at 255. + 0x06 Shutter Time Pixel Offset, like reg05 this influences exposure, but + only a very little bit, leave at 0xcd + 0x07 offset sign bit (bit0 1 > negative offset) + 0x08 offset + 0x09 Blue Gain + 0x0a Green1 Gain + 0x0b Green2 Gain + 0x0c Red Gain + 0x0e Global gain + 0x13 Write 1 to commit settings to sensor +*/ + static const __u8 pas106_sensor_init[][8] = { /* Pixel Clock Divider 6 */ { 0xa1, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x14 }, @@ -532,7 +556,7 @@ SENS(initHv7131, NULL, hv7131_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0), SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF, 0, 0x60), SENS(initOv7630, initOv7630_3, ov7630_sensor_init, NULL, ov7630_sensor_init_3, F_GAIN, 0, 0x21), -SENS(initPas106, NULL, pas106_sensor_init, NULL, NULL, F_SIF, NO_EXPO|NO_FREQ, +SENS(initPas106, NULL, pas106_sensor_init, NULL, NULL, F_GAIN|F_SIF, NO_FREQ, 0), SENS(initPas202, initPas202, pas202_sensor_init, NULL, NULL, F_GAIN, NO_FREQ, 0), @@ -628,26 +652,19 @@ static void setbrightness(struct gspca_dev *gspca_dev) goto err; break; } - case SENSOR_PAS106: { - __u8 i2c1[] = - {0xa1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14}; - - i2c1[3] = sd->brightness >> 3; - i2c1[2] = 0x0e; - if (i2c_w(gspca_dev, i2c1) < 0) - goto err; - i2c1[3] = 0x01; - i2c1[2] = 0x13; - if (i2c_w(gspca_dev, i2c1) < 0) - goto err; - break; - } + case SENSOR_PAS106: case SENSOR_PAS202: { __u8 i2cpbright[] = {0xb0, 0x40, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x16}; - const __u8 i2cpdoit[] = + __u8 i2cpdoit[] = {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16}; + /* PAS106 uses reg 7 and 8 instead of b and c */ + if (sd->sensor == SENSOR_PAS106) { + i2cpbright[2] = 7; + i2cpdoit[2] = 0x13; + } + if (sd->brightness < 127) { /* change reg 0x0b, signreg */ i2cpbright[3] = 0x01; @@ -709,18 +726,28 @@ static void setsensorgain(struct gspca_dev *gspca_dev) goto err; break; } + case SENSOR_PAS106: case SENSOR_PAS202: { __u8 i2cpgain[] = - {0xa0, 0x40, 0x10, 0x00, 0x00, 0x00, 0x63, 0x15}; + {0xa0, 0x40, 0x10, 0x00, 0x00, 0x00, 0x00, 0x15}; __u8 i2cpcolorgain[] = {0xc0, 0x40, 0x07, 0x00, 0x00, 0x00, 0x00, 0x15}; - const __u8 i2cpdoit[] = - {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x63, 0x16}; + __u8 i2cpdoit[] = + {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16}; + + /* PAS106 uses different regs (and has split green gains) */ + if (sd->sensor == SENSOR_PAS106) { + i2cpgain[2] = 0x0e; + i2cpcolorgain[0] = 0xd0; + i2cpcolorgain[2] = 0x09; + i2cpdoit[2] = 0x13; + } i2cpgain[3] = sd->gain >> 3; i2cpcolorgain[3] = sd->gain >> 4; i2cpcolorgain[4] = sd->gain >> 4; i2cpcolorgain[5] = sd->gain >> 4; + i2cpcolorgain[6] = sd->gain >> 4; if (i2c_w(gspca_dev, i2cpgain) < 0) goto err; @@ -883,6 +910,38 @@ static void setexposure(struct gspca_dev *gspca_dev) goto err; break; } + case SENSOR_PAS106: { + __u8 i2cpframerate[] = + {0xb1, 0x40, 0x03, 0x00, 0x00, 0x00, 0x00, 0x14}; + __u8 i2cpexpo[] = + {0xa1, 0x40, 0x05, 0x00, 0x00, 0x00, 0x00, 0x14}; + const __u8 i2cpdoit[] = + {0xa1, 0x40, 0x13, 0x01, 0x00, 0x00, 0x00, 0x14}; + int framerate_ctrl; + + /* For values below 150 use partial frame exposure, above + that use framerate ctrl */ + if (sd->exposure < 150) { + i2cpexpo[3] = 150 - sd->exposure; + framerate_ctrl = 300; + } else { + /* The PAS106's exposure control goes from 0 - 4095, + but anything below 300 causes vsync issues, so scale + our 150-1023 to 300-4095 */ + framerate_ctrl = (sd->exposure - 150) * 1000 / 230 + + 300; + } + + i2cpframerate[3] = framerate_ctrl >> 4; + i2cpframerate[4] = framerate_ctrl & 0x0f; + if (i2c_w(gspca_dev, i2cpframerate) < 0) + goto err; + if (i2c_w(gspca_dev, i2cpexpo) < 0) + goto err; + if (i2c_w(gspca_dev, i2cpdoit) < 0) + goto err; + break; + } } return; err: |