@@ -49,6 +49,20 @@
-/0x27 Seems to toggle various gains on / off, Setting bit 7 seems to
completely disable the analog amplification block. Set to 0x68
for max gain, 0x14 for minimal gain.
+
+ The registers are accessed in the following functions:
+
+ Page | Register | Function
+ -----+------------+---------------------------------------------------
+ 0 | 0x0f..0x20 | setcolors()
+ 0 | 0xa2..0xab | setbrightcont()
+ 0 | 0xc5 | setredbalance()
+ 0 | 0xc7 | setbluebalance()
+ 0 | 0xdc | setbrightcont(), setcolors()
+ 3 | 0x02 | setexposure()
+ 3 | 0x10 | setgain()
+ 3 | 0x11 | setcolors(), setgain(), setexposure(), sethvflip()
+ 3 | 0x21 | sethvflip()
*/
#define MODULE_NAME "pac7302"
@@ -66,6 +80,8 @@ struct sd {
unsigned char brightness;
unsigned char contrast;
unsigned char colors;
+ unsigned char red_balance;
+ unsigned char blue_balance;
unsigned char gain;
unsigned char exposure;
unsigned char autogain;
@@ -85,6 +101,10 @@ static int sd_setcontrast(struct gspca_d
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setredbalance(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getredbalance(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setbluebalance(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getbluebalance(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
@@ -145,6 +165,34 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setcolors,
.get = sd_getcolors,
},
+ {
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Red",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define REDBALANCE_DEF 1
+ .default_value = REDBALANCE_DEF,
+ },
+ .set = sd_setredbalance,
+ .get = sd_getredbalance,
+ },
+ {
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Blue",
+ .minimum = 0,
+ .maximum = 3,
+ .step = 1,
+#define BLUEBALANCE_DEF 1
+ .default_value = BLUEBALANCE_DEF,
+ },
+ .set = sd_setbluebalance,
+ .get = sd_getbluebalance,
+ },
/* All controls below are for both the 7302 and the 7311 */
{
{
@@ -498,6 +546,8 @@ static int sd_config(struct gspca_dev *g
sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
+ sd->red_balance = REDBALANCE_DEF;
+ sd->blue_balance = BLUEBALANCE_DEF;
sd->gain = GAIN_DEF;
sd->exposure = EXPOSURE_DEF;
sd->autogain = AUTOGAIN_DEF;
@@ -566,6 +616,36 @@ static int setcolors(struct gspca_dev *g
return ret;
}
+static int setredbalance(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
+
+ ret = reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xc5, sd->red_balance);
+
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xdc, 0x01);
+ PDEBUG(D_CONF|D_STREAM, "red: %i", sd->red_balance);
+ return ret;
+}
+
+static int setbluebalance(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
+
+ ret = reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xc7, sd->blue_balance);
+
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xdc, 0x01);
+ PDEBUG(D_CONF|D_STREAM, "red: %i", sd->blue_balance);
+ return ret;
+}
+
static int setgain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -647,6 +727,10 @@ static int sd_start(struct gspca_dev *gs
if (0 <= ret)
ret = setcolors(gspca_dev);
if (0 <= ret)
+ ret = setredbalance(gspca_dev);
+ if (0 <= ret)
+ ret = setbluebalance(gspca_dev);
+ if (0 <= ret)
setgain(gspca_dev);
if (0 <= ret)
setexposure(gspca_dev);
@@ -878,6 +962,48 @@ static int sd_getcolors(struct gspca_dev
return 0;
}
+static int sd_setredbalance(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int ret = 0;
+
+ sd->red_balance = val;
+ if (gspca_dev->streaming)
+ ret = setredbalance(gspca_dev);
+ if (0 <= ret)
+ ret = 0;
+ return ret;
+}
+
+static int sd_getredbalance(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->red_balance;
+ return 0;
+}
+
+static int sd_setbluebalance(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int ret = 0;
+
+ sd->blue_balance = val;
+ if (gspca_dev->streaming)
+ ret = setbluebalance(gspca_dev);
+ if (0 <= ret)
+ ret = 0;
+ return ret;
+}
+
+static int sd_getbluebalance(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->blue_balance;
+ return 0;
+}
+
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;