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path: root/drivers/media/video/gspca/sonixb.c
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Diffstat (limited to 'drivers/media/video/gspca/sonixb.c')
-rw-r--r--drivers/media/video/gspca/sonixb.c451
1 files changed, 330 insertions, 121 deletions
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index ddff2b5ee5c2..785eeb4c2014 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -42,6 +42,7 @@ Reg Use
#define MODULE_NAME "sonixb"
+#include <linux/input.h>
#include "gspca.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
@@ -53,9 +54,11 @@ struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
atomic_t avg_lum;
int prev_avg_lum;
+ int exp_too_low_cnt;
+ int exp_too_high_cnt;
+ unsigned short exposure;
unsigned char gain;
- unsigned char exposure;
unsigned char brightness;
unsigned char autogain;
unsigned char autogain_ignore_frames;
@@ -73,8 +76,9 @@ struct sd {
#define SENSOR_OV7630 2
#define SENSOR_PAS106 3
#define SENSOR_PAS202 4
-#define SENSOR_TAS5110 5
-#define SENSOR_TAS5130CXX 6
+#define SENSOR_TAS5110C 5
+#define SENSOR_TAS5110D 6
+#define SENSOR_TAS5130CXX 7
__u8 reg11;
};
@@ -95,13 +99,15 @@ struct sensor_data {
/* sensor_data flags */
#define F_GAIN 0x01 /* has gain */
#define F_SIF 0x02 /* sif or vga */
+#define F_COARSE_EXPO 0x04 /* exposure control is coarse */
/* priv field of struct v4l2_pix_format flags (do not use low nibble!) */
#define MODE_RAW 0x10 /* raw bayer mode */
#define MODE_REDUCED_SIF 0x20 /* vga mode (320x240 / 160x120) on sif cam */
/* ctrl_dis helper macros */
-#define NO_EXPO ((1 << EXPOSURE_IDX) | (1 << AUTOGAIN_IDX))
+#define NO_EXPO ((1 << EXPOSURE_IDX) | (1 << COARSE_EXPOSURE_IDX) | \
+ (1 << AUTOGAIN_IDX))
#define NO_FREQ (1 << FREQ_IDX)
#define NO_BRIGHTNESS (1 << BRIGHTNESS_IDX)
@@ -127,11 +133,10 @@ struct sensor_data {
}
/* We calculate the autogain at the end of the transfer of a frame, at this
- moment a frame with the old settings is being transmitted, and a frame is
- being captured with the old settings. So if we adjust the autogain we must
- ignore atleast the 2 next frames for the new settings to come into effect
- before doing any other adjustments */
-#define AUTOGAIN_IGNORE_FRAMES 3
+ moment a frame with the old settings is being captured and transmitted. So
+ if we adjust the gain or exposure we must ignore atleast the next frame for
+ the new settings to come into effect before doing any other adjustments. */
+#define AUTOGAIN_IGNORE_FRAMES 1
/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
@@ -145,7 +150,7 @@ static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
#define BRIGHTNESS_IDX 0
{
{
@@ -171,7 +176,7 @@ static struct ctrl sd_ctrls[] = {
.maximum = 255,
.step = 1,
#define GAIN_DEF 127
-#define GAIN_KNEE 200
+#define GAIN_KNEE 230
.default_value = GAIN_DEF,
},
.set = sd_setgain,
@@ -183,10 +188,10 @@ static struct ctrl sd_ctrls[] = {
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Exposure",
-#define EXPOSURE_DEF 16 /* 32 ms / 30 fps */
-#define EXPOSURE_KNEE 50 /* 100 ms / 10 fps */
+#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 = 255,
+ .maximum = 1023,
.step = 1,
.default_value = EXPOSURE_DEF,
.flags = 0,
@@ -194,7 +199,23 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setexposure,
.get = sd_getexposure,
},
-#define AUTOGAIN_IDX 3
+#define COARSE_EXPOSURE_IDX 3
+ {
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Exposure",
+#define COARSE_EXPOSURE_DEF 2 /* 30 fps */
+ .minimum = 2,
+ .maximum = 15,
+ .step = 1,
+ .default_value = COARSE_EXPOSURE_DEF,
+ .flags = 0,
+ },
+ .set = sd_setexposure,
+ .get = sd_getexposure,
+ },
+#define AUTOGAIN_IDX 4
{
{
.id = V4L2_CID_AUTOGAIN,
@@ -210,7 +231,7 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setautogain,
.get = sd_getautogain,
},
-#define FREQ_IDX 4
+#define FREQ_IDX 5
{
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
@@ -219,7 +240,7 @@ static struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
.step = 1,
-#define FREQ_DEF 1
+#define FREQ_DEF 0
.default_value = FREQ_DEF,
},
.set = sd_setfreq,
@@ -345,7 +366,7 @@ static const __u8 initOv7630[] = {
};
static const __u8 initOv7630_3[] = {
0x44, 0x44, 0x00, 0x1a, 0x20, 0x20, 0x20, 0x80, /* r01 .. r08 */
- 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, /* r09 .. r10 */
+ 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* r09 .. r10 */
0x00, 0x02, 0x01, 0x0a, /* r11 .. r14 */
0x28, 0x1e, /* H & V sizes r15 .. r16 */
0x68, 0x8f, MCK_INIT1, /* r17 .. r19 */
@@ -387,6 +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 },
@@ -433,37 +478,55 @@ static const __u8 initPas202[] = {
0x44, 0x44, 0x21, 0x30, 0x00, 0x00, 0x00, 0x80, 0x40, 0x00, 0x00, 0x00,
0x00, 0x00,
0x00, 0x00, 0x00, 0x06, 0x03, 0x0a,
- 0x28, 0x1e, 0x28, 0x89, 0x20,
+ 0x28, 0x1e, 0x20, 0x89, 0x20,
0x00, 0x00, 0x02, 0x03, 0x0f, 0x0c
};
+
+/* "Known" PAS202BCB registers:
+ 0x02 clock divider
+ 0x04 Variable framerate bits 6-11 (*)
+ 0x05 Var framerate bits 0-5, one must leave the 2 msb's at 0 !!
+ 0x07 Blue Gain
+ 0x08 Green Gain
+ 0x09 Red Gain
+ 0x0b offset sign bit (bit0 1 > negative offset)
+ 0x0c offset
+ 0x0e Unknown image is slightly brighter when bit 0 is 0, if reg0f is 0 too,
+ leave at 1 otherwise we get a jump in our exposure control
+ 0x0f Exposure 0-255, 0 = use full frame time, 255 = no exposure at all
+ 0x10 Master gain 0 - 31
+ 0x11 write 1 to apply changes
+ (*) The variable framerate control must never be set lower then 500
+ which sets the framerate at 30 / reg02, otherwise vsync is lost.
+*/
static const __u8 pas202_sensor_init[][8] = {
- {0xa0, 0x40, 0x02, 0x03, 0x00, 0x00, 0x00, 0x10},
+ /* Set the clock divider to 4 -> 30 / 4 = 7.5 fps, we would like
+ to set it lower, but for some reason the bridge starts missing
+ vsync's then */
+ {0xa0, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x10},
{0xd0, 0x40, 0x04, 0x07, 0x34, 0x00, 0x09, 0x10},
{0xd0, 0x40, 0x08, 0x01, 0x00, 0x00, 0x01, 0x10},
- {0xd0, 0x40, 0x0C, 0x00, 0x0C, 0x00, 0x32, 0x10},
+ {0xd0, 0x40, 0x0C, 0x00, 0x0C, 0x01, 0x32, 0x10},
{0xd0, 0x40, 0x10, 0x00, 0x01, 0x00, 0x63, 0x10},
{0xa0, 0x40, 0x15, 0x70, 0x01, 0x00, 0x63, 0x10},
{0xa0, 0x40, 0x18, 0x00, 0x01, 0x00, 0x63, 0x10},
{0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10},
{0xa0, 0x40, 0x03, 0x56, 0x01, 0x00, 0x63, 0x10},
{0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10},
- {0xb0, 0x40, 0x04, 0x07, 0x2a, 0x00, 0x63, 0x10},
- {0xb0, 0x40, 0x0e, 0x00, 0x3d, 0x00, 0x63, 0x10},
-
- {0xa0, 0x40, 0x11, 0x01, 0x3d, 0x00, 0x63, 0x16},
- {0xa0, 0x40, 0x10, 0x08, 0x3d, 0x00, 0x63, 0x15},
- {0xa0, 0x40, 0x02, 0x04, 0x3d, 0x00, 0x63, 0x16},
- {0xa0, 0x40, 0x11, 0x01, 0x3d, 0x00, 0x63, 0x16},
- {0xb0, 0x40, 0x0e, 0x00, 0x31, 0x00, 0x63, 0x16},
- {0xa0, 0x40, 0x11, 0x01, 0x31, 0x00, 0x63, 0x16},
- {0xa0, 0x40, 0x10, 0x0e, 0x31, 0x00, 0x63, 0x15},
- {0xa0, 0x40, 0x11, 0x01, 0x31, 0x00, 0x63, 0x16},
};
-static const __u8 initTas5110[] = {
+static const __u8 initTas5110c[] = {
0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
0x00, 0x00,
- 0x00, 0x01, 0x00, 0x45, 0x09, 0x0a,
+ 0x00, 0x00, 0x00, 0x45, 0x09, 0x0a,
+ 0x16, 0x12, 0x60, 0x86, 0x2b,
+ 0x14, 0x0a, 0x02, 0x02, 0x09, 0x07
+};
+/* Same as above, except a different hstart */
+static const __u8 initTas5110d[] = {
+ 0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x41, 0x09, 0x0a,
0x16, 0x12, 0x60, 0x86, 0x2b,
0x14, 0x0a, 0x02, 0x02, 0x09, 0x07
};
@@ -476,7 +539,7 @@ static const __u8 tas5110_sensor_init[][8] = {
static const __u8 initTas5130[] = {
0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
0x00, 0x00,
- 0x00, 0x01, 0x00, 0x68, 0x0c, 0x0a,
+ 0x00, 0x00, 0x00, 0x68, 0x0c, 0x0a,
0x28, 0x1e, 0x60, COMP, MCK_INIT,
0x18, 0x10, 0x04, 0x03, 0x11, 0x0c
};
@@ -493,12 +556,14 @@ 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, 0,
- NO_EXPO|NO_FREQ, 0),
-SENS(initTas5110, NULL, tas5110_sensor_init, NULL, NULL, F_GAIN|F_SIF,
- NO_BRIGHTNESS|NO_FREQ, 0),
+SENS(initPas202, initPas202, pas202_sensor_init, NULL, NULL, F_GAIN,
+ NO_FREQ, 0),
+SENS(initTas5110c, NULL, tas5110_sensor_init, NULL, NULL,
+ F_GAIN|F_SIF|F_COARSE_EXPO, NO_BRIGHTNESS|NO_FREQ, 0),
+SENS(initTas5110d, NULL, tas5110_sensor_init, NULL, NULL,
+ F_GAIN|F_SIF|F_COARSE_EXPO, NO_BRIGHTNESS|NO_FREQ, 0),
SENS(initTas5130, NULL, tas5130_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ,
0),
};
@@ -587,42 +652,28 @@ 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 i2cpexpo1[] =
- {0xb0, 0x40, 0x04, 0x07, 0x2a, 0x00, 0x63, 0x16}; */
- __u8 i2cpexpo[] =
- {0xb0, 0x40, 0x0e, 0x01, 0xab, 0x00, 0x63, 0x16};
- __u8 i2cp202[] =
- {0xa0, 0x40, 0x10, 0x0e, 0x31, 0x00, 0x63, 0x15};
- static __u8 i2cpdoit[] =
- {0xa0, 0x40, 0x11, 0x01, 0x31, 0x00, 0x63, 0x16};
-
- /* change reg 0x10 */
- i2cpexpo[4] = 0xff - sd->brightness;
-/* if(i2c_w(gspca_dev,i2cpexpo1) < 0)
- goto err; */
-/* if(i2c_w(gspca_dev,i2cpdoit) < 0)
- goto err; */
- if (i2c_w(gspca_dev, i2cpexpo) < 0)
- goto err;
- if (i2c_w(gspca_dev, i2cpdoit) < 0)
- goto err;
- i2cp202[3] = sd->brightness >> 3;
- if (i2c_w(gspca_dev, i2cp202) < 0)
+ __u8 i2cpbright[] =
+ {0xb0, 0x40, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x16};
+ __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;
+ /* set reg 0x0c, offset */
+ i2cpbright[4] = 127 - sd->brightness;
+ } else
+ i2cpbright[4] = sd->brightness - 127;
+
+ if (i2c_w(gspca_dev, i2cpbright) < 0)
goto err;
if (i2c_w(gspca_dev, i2cpdoit) < 0)
goto err;
@@ -652,7 +703,8 @@ static void setsensorgain(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
- case SENSOR_TAS5110: {
+ case SENSOR_TAS5110C:
+ case SENSOR_TAS5110D: {
__u8 i2c[] =
{0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10};
@@ -674,6 +726,37 @@ 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, 0x00, 0x15};
+ __u8 i2cpcolorgain[] =
+ {0xc0, 0x40, 0x07, 0x00, 0x00, 0x00, 0x00, 0x15};
+ __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;
+ if (i2c_w(gspca_dev, i2cpcolorgain) < 0)
+ goto err;
+ if (i2c_w(gspca_dev, i2cpdoit) < 0)
+ goto err;
+ break;
+ }
}
return;
err:
@@ -684,19 +767,21 @@ static void setgain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 gain;
- __u8 rgb_value;
+ __u8 buf[2] = { 0, 0 };
+
+ if (sensor_data[sd->sensor].flags & F_GAIN) {
+ /* Use the sensor gain to do the actual gain */
+ setsensorgain(gspca_dev);
+ return;
+ }
gain = sd->gain >> 4;
/* red and blue gain */
- rgb_value = gain << 4 | gain;
- reg_w(gspca_dev, 0x10, &rgb_value, 1);
+ buf[0] = gain << 4 | gain;
/* green gain */
- rgb_value = gain;
- reg_w(gspca_dev, 0x11, &rgb_value, 1);
-
- if (sensor_data[sd->sensor].flags & F_GAIN)
- setsensorgain(gspca_dev);
+ buf[1] = gain;
+ reg_w(gspca_dev, 0x10, buf, 2);
}
static void setexposure(struct gspca_dev *gspca_dev)
@@ -704,17 +789,12 @@ static void setexposure(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
switch (sd->sensor) {
- case SENSOR_TAS5110: {
- __u8 reg;
-
+ case SENSOR_TAS5110C:
+ case SENSOR_TAS5110D: {
/* register 19's high nibble contains the sn9c10x clock divider
The high nibble configures the no fps according to the
formula: 60 / high_nibble. With a maximum of 30 fps */
- reg = 120 * sd->exposure / 1000;
- if (reg < 2)
- reg = 2;
- else if (reg > 15)
- reg = 15;
+ __u8 reg = sd->exposure;
reg = (reg << 4) | 0x0b;
reg_w(gspca_dev, 0x19, &reg, 1);
break;
@@ -750,20 +830,21 @@ static void setexposure(struct gspca_dev *gspca_dev)
} else
reg10_max = 0x41;
- reg11 = (60 * sd->exposure + 999) / 1000;
+ reg11 = (15 * sd->exposure + 999) / 1000;
if (reg11 < 1)
reg11 = 1;
else if (reg11 > 16)
reg11 = 16;
- /* In 640x480, if the reg11 has less than 3, the image is
- unstable (not enough bandwidth). */
- if (gspca_dev->width == 640 && reg11 < 3)
- reg11 = 3;
+ /* In 640x480, if the reg11 has less than 4, the image is
+ unstable (the bridge goes into a higher compression mode
+ which we have not reverse engineered yet). */
+ if (gspca_dev->width == 640 && reg11 < 4)
+ reg11 = 4;
/* frame exposure time in ms = 1000 * reg11 / 30 ->
- reg10 = sd->exposure * 2 * reg10_max / (1000 * reg11 / 30) */
- reg10 = (sd->exposure * 60 * reg10_max) / (1000 * reg11);
+ reg10 = (sd->exposure / 2) * reg10_max / (1000 * reg11 / 30) */
+ reg10 = (sd->exposure * 15 * reg10_max) / (1000 * reg11);
/* Don't allow this to get below 10 when using autogain, the
steps become very large (relatively) when below 10 causing
@@ -786,10 +867,85 @@ static void setexposure(struct gspca_dev *gspca_dev)
if (i2c_w(gspca_dev, i2c) == 0)
sd->reg11 = reg11;
else
- PDEBUG(D_ERR, "i2c error exposure");
+ goto err;
+ break;
+ }
+ case SENSOR_PAS202: {
+ __u8 i2cpframerate[] =
+ {0xb0, 0x40, 0x04, 0x00, 0x00, 0x00, 0x00, 0x16};
+ __u8 i2cpexpo[] =
+ {0xa0, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x16};
+ const __u8 i2cpdoit[] =
+ {0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16};
+ int framerate_ctrl;
+
+ /* The exposure knee for the autogain algorithm is 200
+ (100 ms / 10 fps on other sensors), for values below this
+ use the control for setting the partial frame expose time,
+ above that use variable framerate. This way we run at max
+ framerate (640x480@7.5 fps, 320x240@10fps) until the knee
+ is reached. Using the variable framerate control above 200
+ is better then playing around with both clockdiv + partial
+ frame exposure times (like we are doing with the ov chips),
+ as that sometimes leads to jumps in the exposure control,
+ which are bad for auto exposure. */
+ if (sd->exposure < 200) {
+ i2cpexpo[3] = 255 - (sd->exposure * 255) / 200;
+ framerate_ctrl = 500;
+ } else {
+ /* The PAS202's exposure control goes from 0 - 4095,
+ but anything below 500 causes vsync issues, so scale
+ our 200-1023 to 500-4095 */
+ framerate_ctrl = (sd->exposure - 200) * 1000 / 229 +
+ 500;
+ }
+
+ i2cpframerate[3] = framerate_ctrl >> 6;
+ i2cpframerate[4] = framerate_ctrl & 0x3f;
+ 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;
+ }
+ 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:
+ PDEBUG(D_ERR, "i2c error exposure");
}
static void setfreq(struct gspca_dev *gspca_dev)
@@ -823,30 +979,43 @@ static void setfreq(struct gspca_dev *gspca_dev)
}
}
+#include "coarse_expo_autogain.h"
+
static void do_autogain(struct gspca_dev *gspca_dev)
{
- int deadzone, desired_avg_lum;
+ int deadzone, desired_avg_lum, result;
struct sd *sd = (struct sd *) gspca_dev;
int avg_lum = atomic_read(&sd->avg_lum);
- if (avg_lum == -1)
+ if (avg_lum == -1 || !sd->autogain)
return;
+ if (sd->autogain_ignore_frames > 0) {
+ sd->autogain_ignore_frames--;
+ return;
+ }
+
/* SIF / VGA sensors have a different autoexposure area and thus
different avg_lum values for the same picture brightness */
if (sensor_data[sd->sensor].flags & F_SIF) {
- deadzone = 1000;
- desired_avg_lum = 7000;
+ deadzone = 500;
+ /* SIF sensors tend to overexpose, so keep this small */
+ desired_avg_lum = 5000;
} else {
- deadzone = 3000;
- desired_avg_lum = 23000;
+ deadzone = 1500;
+ desired_avg_lum = 18000;
}
- if (sd->autogain_ignore_frames > 0)
- sd->autogain_ignore_frames--;
- else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
- sd->brightness * desired_avg_lum / 127,
- deadzone, GAIN_KNEE, EXPOSURE_KNEE)) {
+ if (sensor_data[sd->sensor].flags & F_COARSE_EXPO)
+ result = gspca_coarse_grained_expo_autogain(gspca_dev, avg_lum,
+ sd->brightness * desired_avg_lum / 127,
+ deadzone);
+ else
+ result = gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
+ sd->brightness * desired_avg_lum / 127,
+ deadzone, GAIN_KNEE, EXPOSURE_KNEE);
+
+ if (result) {
PDEBUG(D_FRAM, "autogain: gain changed: gain: %d expo: %d",
(int)sd->gain, (int)sd->exposure);
sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES;
@@ -881,7 +1050,13 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->brightness = BRIGHTNESS_DEF;
sd->gain = GAIN_DEF;
- sd->exposure = EXPOSURE_DEF;
+ if (sensor_data[sd->sensor].flags & F_COARSE_EXPO) {
+ sd->exposure = COARSE_EXPOSURE_DEF;
+ gspca_dev->ctrl_dis |= (1 << EXPOSURE_IDX);
+ } else {
+ sd->exposure = EXPOSURE_DEF;
+ gspca_dev->ctrl_dis |= (1 << COARSE_EXPOSURE_IDX);
+ }
if (gspca_dev->ctrl_dis & (1 << AUTOGAIN_IDX))
sd->autogain = 0; /* Disable do_autogain callback */
else
@@ -917,9 +1092,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
reg12_19[6] = sn9c10x[0x18 - 1] | (mode << 4);
/* Special cases where reg 17 and or 19 value depends on mode */
switch (sd->sensor) {
- case SENSOR_PAS202:
- reg12_19[5] = mode ? 0x24 : 0x20;
- break;
case SENSOR_TAS5130CXX:
/* probably not mode specific at all most likely the upper
nibble of 0x19 is exposure (clock divider) just as with
@@ -955,6 +1127,16 @@ static int sd_start(struct gspca_dev *gspca_dev)
sensor_data[sd->sensor].sensor_bridge_init_size[
sd->bridge]);
+ /* Mode specific sensor setup */
+ switch (sd->sensor) {
+ case SENSOR_PAS202: {
+ const __u8 i2cpclockdiv[] =
+ {0xa0, 0x40, 0x02, 0x03, 0x00, 0x00, 0x00, 0x10};
+ /* clockdiv from 4 to 3 (7.5 -> 10 fps) when in low res mode */
+ if (mode)
+ i2c_w(gspca_dev, i2cpclockdiv);
+ }
+ }
/* H_size V_size 0x28, 0x1e -> 640x480. 0x16, 0x12 -> 352x288 */
reg_w(gspca_dev, 0x15, &reg12_19[3], 2);
/* compression register */
@@ -985,6 +1167,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
sd->frames_to_drop = 0;
sd->autogain_ignore_frames = 0;
+ sd->exp_too_high_cnt = 0;
+ sd->exp_too_low_cnt = 0;
atomic_set(&sd->avg_lum, -1);
return 0;
}
@@ -1143,11 +1327,14 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
+ sd->exp_too_high_cnt = 0;
+ sd->exp_too_low_cnt = 0;
+
/* when switching to autogain set defaults to make sure
we are on a valid point of the autogain gain /
exposure knee graph, and give this change time to
take effect before doing autogain. */
- if (sd->autogain) {
+ if (sd->autogain && !(sensor_data[sd->sensor].flags & F_COARSE_EXPO)) {
sd->exposure = EXPOSURE_DEF;
sd->gain = GAIN_DEF;
if (gspca_dev->streaming) {
@@ -1207,6 +1394,25 @@ static int sd_querymenu(struct gspca_dev *gspca_dev,
return -EINVAL;
}
+#ifdef CONFIG_INPUT
+static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, /* interrupt packet data */
+ int len) /* interrupt packet length */
+{
+ int ret = -EINVAL;
+
+ if (len == 1 && data[0] == 1) {
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
+ input_sync(gspca_dev->input_dev);
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
+ input_sync(gspca_dev->input_dev);
+ ret = 0;
+ }
+
+ return ret;
+}
+#endif
+
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
@@ -1219,6 +1425,9 @@ static const struct sd_desc sd_desc = {
.pkt_scan = sd_pkt_scan,
.querymenu = sd_querymenu,
.dq_callback = do_autogain,
+#ifdef CONFIG_INPUT
+ .int_pkt_scan = sd_int_pkt_scan,
+#endif
};
/* -- module initialisation -- */
@@ -1227,21 +1436,21 @@ static const struct sd_desc sd_desc = {
static const struct usb_device_id device_table[] __devinitconst = {
- {USB_DEVICE(0x0c45, 0x6001), SB(TAS5110, 102)}, /* TAS5110C1B */
- {USB_DEVICE(0x0c45, 0x6005), SB(TAS5110, 101)}, /* TAS5110C1B */
+ {USB_DEVICE(0x0c45, 0x6001), SB(TAS5110C, 102)}, /* TAS5110C1B */
+ {USB_DEVICE(0x0c45, 0x6005), SB(TAS5110C, 101)}, /* TAS5110C1B */
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
- {USB_DEVICE(0x0c45, 0x6007), SB(TAS5110, 101)}, /* TAS5110D */
+ {USB_DEVICE(0x0c45, 0x6007), SB(TAS5110D, 101)}, /* TAS5110D */
+#endif
{USB_DEVICE(0x0c45, 0x6009), SB(PAS106, 101)},
{USB_DEVICE(0x0c45, 0x600d), SB(PAS106, 101)},
-#endif
{USB_DEVICE(0x0c45, 0x6011), SB(OV6650, 101)},
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
{USB_DEVICE(0x0c45, 0x6019), SB(OV7630, 101)},
{USB_DEVICE(0x0c45, 0x6024), SB(TAS5130CXX, 102)},
{USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)},
+#endif
{USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)},
{USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)},
-#endif
{USB_DEVICE(0x0c45, 0x602c), SB(OV7630, 102)},
{USB_DEVICE(0x0c45, 0x602d), SB(HV7131R, 102)},
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-17 00:11:41 +0300