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path: root/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
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Diffstat (limited to 'drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c')
-rw-r--r--drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c198
1 files changed, 48 insertions, 150 deletions
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
index a5c69d9ebdd4..748e1421d6d8 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
@@ -44,130 +44,83 @@ static struct v4l2_pix_format vv6410_mode[] = {
}
};
-static const struct ctrl vv6410_ctrl[] = {
-#define HFLIP_IDX 0
- {
- {
- .id = V4L2_CID_HFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "horizontal flip",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0
- },
- .set = vv6410_set_hflip,
- .get = vv6410_get_hflip
- },
-#define VFLIP_IDX 1
- {
- {
- .id = V4L2_CID_VFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "vertical flip",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0
- },
- .set = vv6410_set_vflip,
- .get = vv6410_get_vflip
- },
-#define GAIN_IDX 2
- {
- {
- .id = V4L2_CID_GAIN,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "analog gain",
- .minimum = 0,
- .maximum = 15,
- .step = 1,
- .default_value = 10
- },
- .set = vv6410_set_analog_gain,
- .get = vv6410_get_analog_gain
- },
-#define EXPOSURE_IDX 3
- {
- {
- .id = V4L2_CID_EXPOSURE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "exposure",
- .minimum = 0,
- .maximum = 32768,
- .step = 1,
- .default_value = 20000
- },
- .set = vv6410_set_exposure,
- .get = vv6410_get_exposure
+static int vv6410_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct gspca_dev *gspca_dev =
+ container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+ int err = -EINVAL;
+
+ switch (ctrl->id) {
+ case V4L2_CID_HFLIP:
+ err = vv6410_set_hflip(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_VFLIP:
+ err = vv6410_set_vflip(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_GAIN:
+ err = vv6410_set_analog_gain(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_EXPOSURE:
+ err = vv6410_set_exposure(gspca_dev, ctrl->val);
+ break;
}
- };
+ return err;
+}
+
+static const struct v4l2_ctrl_ops vv6410_ctrl_ops = {
+ .s_ctrl = vv6410_s_ctrl,
+};
static int vv6410_probe(struct sd *sd)
{
u16 data;
- int err, i;
- s32 *sensor_settings;
+ int err;
err = stv06xx_read_sensor(sd, VV6410_DEVICEH, &data);
if (err < 0)
return -ENODEV;
- if (data == 0x19) {
- pr_info("vv6410 sensor detected\n");
+ if (data != 0x19)
+ return -ENODEV;
- sensor_settings = kmalloc(ARRAY_SIZE(vv6410_ctrl) * sizeof(s32),
- GFP_KERNEL);
- if (!sensor_settings)
- return -ENOMEM;
+ pr_info("vv6410 sensor detected\n");
- sd->gspca_dev.cam.cam_mode = vv6410_mode;
- sd->gspca_dev.cam.nmodes = ARRAY_SIZE(vv6410_mode);
- sd->desc.ctrls = vv6410_ctrl;
- sd->desc.nctrls = ARRAY_SIZE(vv6410_ctrl);
+ sd->gspca_dev.cam.cam_mode = vv6410_mode;
+ sd->gspca_dev.cam.nmodes = ARRAY_SIZE(vv6410_mode);
+ return 0;
+}
- for (i = 0; i < sd->desc.nctrls; i++)
- sensor_settings[i] = vv6410_ctrl[i].qctrl.default_value;
- sd->sensor_priv = sensor_settings;
- return 0;
- }
- return -ENODEV;
+static int vv6410_init_controls(struct sd *sd)
+{
+ struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
+
+ v4l2_ctrl_handler_init(hdl, 4);
+ v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops,
+ V4L2_CID_EXPOSURE, 0, 32768, 1, 20000);
+ v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops,
+ V4L2_CID_GAIN, 0, 15, 1, 10);
+ return hdl->error;
}
static int vv6410_init(struct sd *sd)
{
int err = 0, i;
- s32 *sensor_settings = sd->sensor_priv;
- for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) {
+ for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++)
stv06xx_write_bridge(sd, stv_bridge_init[i].addr, stv_bridge_init[i].data);
- }
if (err < 0)
return err;
err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init,
ARRAY_SIZE(vv6410_sensor_init));
- if (err < 0)
- return err;
-
- err = vv6410_set_exposure(&sd->gspca_dev,
- sensor_settings[EXPOSURE_IDX]);
- if (err < 0)
- return err;
-
- err = vv6410_set_analog_gain(&sd->gspca_dev,
- sensor_settings[GAIN_IDX]);
-
return (err < 0) ? err : 0;
}
-static void vv6410_disconnect(struct sd *sd)
-{
- sd->sensor = NULL;
- kfree(sd->sensor_priv);
-}
-
static int vv6410_start(struct sd *sd)
{
int err;
@@ -233,25 +186,12 @@ static int vv6410_dump(struct sd *sd)
return (err < 0) ? err : 0;
}
-static int vv6410_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 vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
u16 i2c_data;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
- sensor_settings[HFLIP_IDX] = val;
err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
if (err < 0)
return err;
@@ -267,25 +207,12 @@ static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
return (err < 0) ? err : 0;
}
-static int vv6410_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 vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
u16 i2c_data;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
- sensor_settings[VFLIP_IDX] = val;
err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
if (err < 0)
return err;
@@ -301,52 +228,23 @@ static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
return (err < 0) ? err : 0;
}
-static int vv6410_get_analog_gain(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[GAIN_IDX];
-
- PDEBUG(D_V4L2, "Read analog gain %d", *val);
-
- return 0;
-}
-
static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
- sensor_settings[GAIN_IDX] = val;
PDEBUG(D_V4L2, "Set analog gain to %d", val);
err = stv06xx_write_sensor(sd, VV6410_ANALOGGAIN, 0xf0 | (val & 0xf));
return (err < 0) ? err : 0;
}
-static int vv6410_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[EXPOSURE_IDX];
-
- PDEBUG(D_V4L2, "Read exposure %d", *val);
-
- return 0;
-}
-
static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
unsigned int fine, coarse;
- sensor_settings[EXPOSURE_IDX] = val;
-
val = (val * val >> 14) + val / 4;
fine = val % VV6410_CIF_LINELENGTH;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.