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path: root/drivers/media/video/gspca/m5602/m5602_ov7660.c
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Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_ov7660.c')
-rw-r--r--drivers/media/video/gspca/m5602/m5602_ov7660.c262
1 files changed, 261 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_ov7660.c b/drivers/media/video/gspca/m5602/m5602_ov7660.c
index 7aafeb7cfa07..2a28b74cb3f9 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov7660.c
+++ b/drivers/media/video/gspca/m5602/m5602_ov7660.c
@@ -20,6 +20,18 @@
static int ov7660_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_auto_white_balance(struct gspca_dev *gspca_dev,
+ __s32 *val);
+static int ov7660_set_auto_white_balance(struct gspca_dev *gspca_dev,
+ __s32 val);
+static int ov7660_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_auto_exposure(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
const static struct ctrl ov7660_ctrls[] = {
#define GAIN_IDX 1
@@ -37,6 +49,79 @@ const static struct ctrl ov7660_ctrls[] = {
.set = ov7660_set_gain,
.get = ov7660_get_gain
},
+#define BLUE_BALANCE_IDX 2
+#define RED_BALANCE_IDX 3
+#define AUTO_WHITE_BALANCE_IDX 4
+ {
+ {
+ .id = V4L2_CID_AUTO_WHITE_BALANCE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto white balance",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1
+ },
+ .set = ov7660_set_auto_white_balance,
+ .get = ov7660_get_auto_white_balance
+ },
+#define AUTO_GAIN_CTRL_IDX 5
+ {
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto gain control",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1
+ },
+ .set = ov7660_set_auto_gain,
+ .get = ov7660_get_auto_gain
+ },
+#define AUTO_EXPOSURE_IDX 6
+ {
+ {
+ .id = V4L2_CID_EXPOSURE_AUTO,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto exposure",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1
+ },
+ .set = ov7660_set_auto_exposure,
+ .get = ov7660_get_auto_exposure
+ },
+#define HFLIP_IDX 7
+ {
+ {
+ .id = V4L2_CID_HFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "horizontal flip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0
+ },
+ .set = ov7660_set_hflip,
+ .get = ov7660_get_hflip
+ },
+#define VFLIP_IDX 8
+ {
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "vertical flip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0
+ },
+ .set = ov7660_set_vflip,
+ .get = ov7660_get_vflip
+ },
+
};
static struct v4l2_pix_format ov7660_modes[] = {
@@ -137,7 +222,7 @@ int ov7660_init(struct sd *sd)
} else {
data[0] = init_ov7660[i][2];
err = m5602_write_sensor(sd,
- init_ov7660[i][1], data, 1);
+ init_ov7660[i][1], data, 1);
}
}
@@ -148,6 +233,28 @@ int ov7660_init(struct sd *sd)
if (err < 0)
return err;
+ err = ov7660_set_auto_white_balance(&sd->gspca_dev,
+ sensor_settings[AUTO_WHITE_BALANCE_IDX]);
+ if (err < 0)
+ return err;
+
+ err = ov7660_set_auto_gain(&sd->gspca_dev,
+ sensor_settings[AUTO_GAIN_CTRL_IDX]);
+ if (err < 0)
+ return err;
+
+ err = ov7660_set_auto_exposure(&sd->gspca_dev,
+ sensor_settings[AUTO_EXPOSURE_IDX]);
+ if (err < 0)
+ return err;
+ err = ov7660_set_hflip(&sd->gspca_dev,
+ sensor_settings[HFLIP_IDX]);
+ if (err < 0)
+ return err;
+
+ err = ov7660_set_vflip(&sd->gspca_dev,
+ sensor_settings[VFLIP_IDX]);
+
return err;
}
@@ -194,6 +301,159 @@ static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val)
return err;
}
+
+static int ov7660_get_auto_white_balance(struct gspca_dev *gspca_dev,
+ __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[AUTO_WHITE_BALANCE_IDX];
+ return 0;
+}
+
+static int ov7660_set_auto_white_balance(struct gspca_dev *gspca_dev,
+ __s32 val)
+{
+ int err;
+ u8 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ PDEBUG(D_V4L2, "Set auto white balance to %d", val);
+
+ sensor_settings[AUTO_WHITE_BALANCE_IDX] = val;
+ err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
+ if (err < 0)
+ return err;
+
+ i2c_data = ((i2c_data & 0xfd) | ((val & 0x01) << 1));
+ err = m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
+
+ return err;
+}
+
+static int ov7660_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[AUTO_GAIN_CTRL_IDX];
+ PDEBUG(D_V4L2, "Read auto gain control %d", *val);
+ return 0;
+}
+
+static int ov7660_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ u8 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ PDEBUG(D_V4L2, "Set auto gain control to %d", val);
+
+ sensor_settings[AUTO_GAIN_CTRL_IDX] = val;
+ err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
+ if (err < 0)
+ return err;
+
+ i2c_data = ((i2c_data & 0xfb) | ((val & 0x01) << 2));
+
+ return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
+}
+
+static int ov7660_get_auto_exposure(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[AUTO_EXPOSURE_IDX];
+ PDEBUG(D_V4L2, "Read auto exposure control %d", *val);
+ return 0;
+}
+
+static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev,
+ __s32 val)
+{
+ int err;
+ u8 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ PDEBUG(D_V4L2, "Set auto exposure control to %d", val);
+
+ sensor_settings[AUTO_EXPOSURE_IDX] = val;
+ err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
+ if (err < 0)
+ return err;
+
+ i2c_data = ((i2c_data & 0xfe) | ((val & 0x01) << 0));
+
+ return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
+}
+
+static int ov7660_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[HFLIP_IDX];
+ PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
+ return 0;
+}
+
+static int ov7660_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ u8 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
+
+ sensor_settings[HFLIP_IDX] = val;
+
+ i2c_data = ((val & 0x01) << 5) |
+ (sensor_settings[VFLIP_IDX] << 4);
+
+ err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1);
+
+ return err;
+}
+
+static int ov7660_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[VFLIP_IDX];
+ PDEBUG(D_V4L2, "Read vertical flip %d", *val);
+
+ return 0;
+}
+
+static int ov7660_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ u8 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ PDEBUG(D_V4L2, "Set vertical flip to %d", val);
+ sensor_settings[VFLIP_IDX] = val;
+
+ i2c_data = ((val & 0x01) << 4) | (sensor_settings[VFLIP_IDX] << 5);
+ err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1);
+ if (err < 0)
+ return err;
+
+ /* When vflip is toggled we need to readjust the bridge hsync/vsync */
+ if (gspca_dev->streaming)
+ err = ov7660_start(sd);
+
+ return err;
+}
+
static void ov7660_dump_registers(struct sd *sd)
{
int address;