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path: root/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
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Diffstat (limited to 'drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c')
-rw-r--r--drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c359
1 files changed, 109 insertions, 250 deletions
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
index 26f14fc4a135..cdfc3d05ab6b 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
@@ -48,105 +48,16 @@
#include "stv06xx_pb0100.h"
-static const struct ctrl pb0100_ctrl[] = {
-#define GAIN_IDX 0
- {
- {
- .id = V4L2_CID_GAIN,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Gain",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = 128
- },
- .set = pb0100_set_gain,
- .get = pb0100_get_gain
- },
-#define RED_BALANCE_IDX 1
- {
- {
- .id = V4L2_CID_RED_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Red Balance",
- .minimum = -255,
- .maximum = 255,
- .step = 1,
- .default_value = 0
- },
- .set = pb0100_set_red_balance,
- .get = pb0100_get_red_balance
- },
-#define BLUE_BALANCE_IDX 2
- {
- {
- .id = V4L2_CID_BLUE_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Blue Balance",
- .minimum = -255,
- .maximum = 255,
- .step = 1,
- .default_value = 0
- },
- .set = pb0100_set_blue_balance,
- .get = pb0100_get_blue_balance
- },
-#define EXPOSURE_IDX 3
- {
- {
- .id = V4L2_CID_EXPOSURE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Exposure",
- .minimum = 0,
- .maximum = 511,
- .step = 1,
- .default_value = 12
- },
- .set = pb0100_set_exposure,
- .get = pb0100_get_exposure
- },
-#define AUTOGAIN_IDX 4
- {
- {
- .id = V4L2_CID_AUTOGAIN,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Automatic Gain and Exposure",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1
- },
- .set = pb0100_set_autogain,
- .get = pb0100_get_autogain
- },
-#define AUTOGAIN_TARGET_IDX 5
- {
- {
- .id = V4L2_CTRL_CLASS_USER + 0x1000,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Automatic Gain Target",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = 128
- },
- .set = pb0100_set_autogain_target,
- .get = pb0100_get_autogain_target
- },
-#define NATURAL_IDX 6
- {
- {
- .id = V4L2_CTRL_CLASS_USER + 0x1001,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Natural Light Source",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1
- },
- .set = pb0100_set_natural,
- .get = pb0100_get_natural
- }
+struct pb0100_ctrls {
+ struct { /* one big happy control cluster... */
+ struct v4l2_ctrl *autogain;
+ struct v4l2_ctrl *gain;
+ struct v4l2_ctrl *exposure;
+ struct v4l2_ctrl *red;
+ struct v4l2_ctrl *blue;
+ struct v4l2_ctrl *natural;
+ };
+ struct v4l2_ctrl *target;
};
static struct v4l2_pix_format pb0100_mode[] = {
@@ -174,38 +85,104 @@ static struct v4l2_pix_format pb0100_mode[] = {
}
};
+static int pb0100_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct gspca_dev *gspca_dev =
+ container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+ struct sd *sd = (struct sd *)gspca_dev;
+ struct pb0100_ctrls *ctrls = sd->sensor_priv;
+ int err = -EINVAL;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUTOGAIN:
+ err = pb0100_set_autogain(gspca_dev, ctrl->val);
+ if (err)
+ break;
+ if (ctrl->val)
+ break;
+ err = pb0100_set_gain(gspca_dev, ctrls->gain->val);
+ if (err)
+ break;
+ err = pb0100_set_exposure(gspca_dev, ctrls->exposure->val);
+ break;
+ case V4L2_CTRL_CLASS_USER + 0x1001:
+ err = pb0100_set_autogain_target(gspca_dev, ctrl->val);
+ break;
+ }
+ return err;
+}
+
+static const struct v4l2_ctrl_ops pb0100_ctrl_ops = {
+ .s_ctrl = pb0100_s_ctrl,
+};
+
+static int pb0100_init_controls(struct sd *sd)
+{
+ struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
+ struct pb0100_ctrls *ctrls;
+ static const struct v4l2_ctrl_config autogain_target = {
+ .ops = &pb0100_ctrl_ops,
+ .id = V4L2_CTRL_CLASS_USER + 0x1000,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Automatic Gain Target",
+ .max = 255,
+ .step = 1,
+ .def = 128,
+ };
+ static const struct v4l2_ctrl_config natural_light = {
+ .ops = &pb0100_ctrl_ops,
+ .id = V4L2_CTRL_CLASS_USER + 0x1001,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Natural Light Source",
+ .max = 1,
+ .step = 1,
+ .def = 1,
+ };
+
+ ctrls = kzalloc(sizeof(*ctrls), GFP_KERNEL);
+ if (!ctrls)
+ return -ENOMEM;
+
+ v4l2_ctrl_handler_init(hdl, 6);
+ ctrls->autogain = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ ctrls->exposure = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
+ V4L2_CID_EXPOSURE, 0, 511, 1, 12);
+ ctrls->gain = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
+ V4L2_CID_GAIN, 0, 255, 1, 128);
+ ctrls->red = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
+ V4L2_CID_RED_BALANCE, -255, 255, 1, 0);
+ ctrls->blue = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
+ V4L2_CID_BLUE_BALANCE, -255, 255, 1, 0);
+ ctrls->natural = v4l2_ctrl_new_custom(hdl, &natural_light, NULL);
+ ctrls->target = v4l2_ctrl_new_custom(hdl, &autogain_target, NULL);
+ if (hdl->error) {
+ kfree(ctrls);
+ return hdl->error;
+ }
+ sd->sensor_priv = ctrls;
+ v4l2_ctrl_auto_cluster(5, &ctrls->autogain, 0, false);
+ return 0;
+}
+
static int pb0100_probe(struct sd *sd)
{
u16 sensor;
- int i, err;
- s32 *sensor_settings;
+ int err;
err = stv06xx_read_sensor(sd, PB_IDENT, &sensor);
if (err < 0)
return -ENODEV;
+ if ((sensor >> 8) != 0x64)
+ return -ENODEV;
- if ((sensor >> 8) == 0x64) {
- sensor_settings = kmalloc(
- ARRAY_SIZE(pb0100_ctrl) * sizeof(s32),
- GFP_KERNEL);
- if (!sensor_settings)
- return -ENOMEM;
-
- pr_info("Photobit pb0100 sensor detected\n");
-
- sd->gspca_dev.cam.cam_mode = pb0100_mode;
- sd->gspca_dev.cam.nmodes = ARRAY_SIZE(pb0100_mode);
- sd->desc.ctrls = pb0100_ctrl;
- sd->desc.nctrls = ARRAY_SIZE(pb0100_ctrl);
- for (i = 0; i < sd->desc.nctrls; i++)
- sensor_settings[i] = pb0100_ctrl[i].qctrl.default_value;
- sd->sensor_priv = sensor_settings;
+ pr_info("Photobit pb0100 sensor detected\n");
- return 0;
- }
+ sd->gspca_dev.cam.cam_mode = pb0100_mode;
+ sd->gspca_dev.cam.nmodes = ARRAY_SIZE(pb0100_mode);
- return -ENODEV;
+ return 0;
}
static int pb0100_start(struct sd *sd)
@@ -214,7 +191,6 @@ static int pb0100_start(struct sd *sd)
struct usb_host_interface *alt;
struct usb_interface *intf;
struct cam *cam = &sd->gspca_dev.cam;
- s32 *sensor_settings = sd->sensor_priv;
u32 mode = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
intf = usb_ifnum_to_if(sd->gspca_dev.dev, sd->gspca_dev.iface);
@@ -255,13 +231,6 @@ static int pb0100_start(struct sd *sd)
stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x20);
}
- /* set_gain also sets red and blue balance */
- pb0100_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
- pb0100_set_exposure(&sd->gspca_dev, sensor_settings[EXPOSURE_IDX]);
- pb0100_set_autogain_target(&sd->gspca_dev,
- sensor_settings[AUTOGAIN_TARGET_IDX]);
- pb0100_set_autogain(&sd->gspca_dev, sensor_settings[AUTOGAIN_IDX]);
-
err = stv06xx_write_sensor(sd, PB_CONTROL, BIT(5)|BIT(3)|BIT(1));
PDEBUG(D_STREAM, "Started stream, status: %d", err);
@@ -285,12 +254,6 @@ out:
return (err < 0) ? err : 0;
}
-static void pb0100_disconnect(struct sd *sd)
-{
- sd->sensor = NULL;
- kfree(sd->sensor_priv);
-}
-
/* FIXME: Sort the init commands out and put them into tables,
this is only for getting the camera to work */
/* FIXME: No error handling for now,
@@ -362,62 +325,32 @@ static int pb0100_dump(struct sd *sd)
return 0;
}
-static int pb0100_get_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];
-
- return 0;
-}
-
static int pb0100_set_gain(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
+ struct pb0100_ctrls *ctrls = sd->sensor_priv;
- if (sensor_settings[AUTOGAIN_IDX])
- return -EBUSY;
-
- sensor_settings[GAIN_IDX] = val;
err = stv06xx_write_sensor(sd, PB_G1GAIN, val);
if (!err)
err = stv06xx_write_sensor(sd, PB_G2GAIN, val);
PDEBUG(D_V4L2, "Set green gain to %d, status: %d", val, err);
if (!err)
- err = pb0100_set_red_balance(gspca_dev,
- sensor_settings[RED_BALANCE_IDX]);
+ err = pb0100_set_red_balance(gspca_dev, ctrls->red->val);
if (!err)
- err = pb0100_set_blue_balance(gspca_dev,
- sensor_settings[BLUE_BALANCE_IDX]);
+ err = pb0100_set_blue_balance(gspca_dev, ctrls->blue->val);
return err;
}
-static int pb0100_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[RED_BALANCE_IDX];
-
- return 0;
-}
-
static int pb0100_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
+ struct pb0100_ctrls *ctrls = sd->sensor_priv;
- if (sensor_settings[AUTOGAIN_IDX])
- return -EBUSY;
-
- sensor_settings[RED_BALANCE_IDX] = val;
- val += sensor_settings[GAIN_IDX];
+ val += ctrls->gain->val;
if (val < 0)
val = 0;
else if (val > 255)
@@ -429,27 +362,13 @@ static int pb0100_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
return err;
}
-static int pb0100_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[BLUE_BALANCE_IDX];
-
- return 0;
-}
-
static int pb0100_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
+ struct pb0100_ctrls *ctrls = sd->sensor_priv;
- if (sensor_settings[AUTOGAIN_IDX])
- return -EBUSY;
-
- sensor_settings[BLUE_BALANCE_IDX] = val;
- val += sensor_settings[GAIN_IDX];
+ val += ctrls->gain->val;
if (val < 0)
val = 0;
else if (val > 255)
@@ -461,51 +380,25 @@ static int pb0100_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
return err;
}
-static int pb0100_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];
-
- return 0;
-}
-
static int pb0100_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
{
- int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- if (sensor_settings[AUTOGAIN_IDX])
- return -EBUSY;
+ int err;
- sensor_settings[EXPOSURE_IDX] = val;
err = stv06xx_write_sensor(sd, PB_RINTTIME, val);
PDEBUG(D_V4L2, "Set exposure to %d, status: %d", val, err);
return err;
}
-static int pb0100_get_autogain(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[AUTOGAIN_IDX];
-
- return 0;
-}
-
static int pb0100_set_autogain(struct gspca_dev *gspca_dev, __s32 val)
{
int err;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
+ struct pb0100_ctrls *ctrls = sd->sensor_priv;
- sensor_settings[AUTOGAIN_IDX] = val;
- if (sensor_settings[AUTOGAIN_IDX]) {
- if (sensor_settings[NATURAL_IDX])
+ if (val) {
+ if (ctrls->natural->val)
val = BIT(6)|BIT(4)|BIT(0);
else
val = BIT(4)|BIT(0);
@@ -514,29 +407,15 @@ static int pb0100_set_autogain(struct gspca_dev *gspca_dev, __s32 val)
err = stv06xx_write_sensor(sd, PB_EXPGAIN, val);
PDEBUG(D_V4L2, "Set autogain to %d (natural: %d), status: %d",
- sensor_settings[AUTOGAIN_IDX], sensor_settings[NATURAL_IDX],
- err);
+ val, ctrls->natural->val, err);
return err;
}
-static int pb0100_get_autogain_target(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[AUTOGAIN_TARGET_IDX];
-
- return 0;
-}
-
static int pb0100_set_autogain_target(struct gspca_dev *gspca_dev, __s32 val)
{
int err, totalpixels, brightpixels, darkpixels;
struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- sensor_settings[AUTOGAIN_TARGET_IDX] = val;
/* Number of pixels counted by the sensor when subsampling the pixels.
* Slightly larger than the real value to avoid oscillation */
@@ -553,23 +432,3 @@ static int pb0100_set_autogain_target(struct gspca_dev *gspca_dev, __s32 val)
return err;
}
-
-static int pb0100_get_natural(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- *val = sensor_settings[NATURAL_IDX];
-
- return 0;
-}
-
-static int pb0100_set_natural(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- s32 *sensor_settings = sd->sensor_priv;
-
- sensor_settings[NATURAL_IDX] = val;
-
- return pb0100_set_autogain(gspca_dev, sensor_settings[AUTOGAIN_IDX]);
-}