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