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path: root/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
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Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_s5k4aa.c')
-rw-r--r--drivers/media/video/gspca/m5602/m5602_s5k4aa.c173
1 files changed, 141 insertions, 32 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index 48892b5715d5..4306d596056d 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
@@ -50,6 +50,76 @@ static
{ }
};
+static struct v4l2_pix_format s5k4aa_modes[] = {
+ {
+ 640,
+ 480,
+ V4L2_PIX_FMT_SBGGR8,
+ V4L2_FIELD_NONE,
+ .sizeimage =
+ 640 * 480,
+ .bytesperline = 640,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0
+ }
+};
+
+const static struct ctrl s5k4aa_ctrls[] = {
+ {
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "vertical flip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0
+ },
+ .set = s5k4aa_set_vflip,
+ .get = s5k4aa_get_vflip
+
+ }, {
+ {
+ .id = V4L2_CID_HFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "horizontal flip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0
+ },
+ .set = s5k4aa_set_hflip,
+ .get = s5k4aa_get_hflip
+
+ }, {
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Gain",
+ .minimum = 0,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 0xa0,
+ .flags = V4L2_CTRL_FLAG_SLIDER
+ },
+ .set = s5k4aa_set_gain,
+ .get = s5k4aa_get_gain
+ }, {
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Exposure",
+ .minimum = 13,
+ .maximum = 0xfff,
+ .step = 1,
+ .default_value = 0x100,
+ .flags = V4L2_CTRL_FLAG_SLIDER
+ },
+ .set = s5k4aa_set_exposure,
+ .get = s5k4aa_get_exposure
+ }
+};
+
static void s5k4aa_dump_registers(struct sd *sd);
int s5k4aa_probe(struct sd *sd)
@@ -115,14 +185,56 @@ int s5k4aa_probe(struct sd *sd)
info("Detected a s5k4aa sensor");
sensor_found:
- sd->gspca_dev.cam.cam_mode = s5k4aa.modes;
- sd->gspca_dev.cam.nmodes = s5k4aa.nmodes;
- sd->desc->ctrls = s5k4aa.ctrls;
- sd->desc->nctrls = s5k4aa.nctrls;
-
+ sd->gspca_dev.cam.cam_mode = s5k4aa_modes;
+ sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes);
+ sd->desc->ctrls = s5k4aa_ctrls;
+ sd->desc->nctrls = ARRAY_SIZE(s5k4aa_ctrls);
return 0;
}
+int s5k4aa_start(struct sd *sd)
+{
+ int i, err = 0;
+ u8 data[2];
+ struct cam *cam = &sd->gspca_dev.cam;
+
+ switch (cam->cam_mode[sd->gspca_dev.curr_mode].width)
+ {
+ case 640:
+ PDEBUG(D_V4L2, "Configuring camera for VGA mode");
+
+ for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) {
+ switch (VGA_s5k4aa[i][0]) {
+ case BRIDGE:
+ err = m5602_write_bridge(sd,
+ VGA_s5k4aa[i][1],
+ VGA_s5k4aa[i][2]);
+ break;
+
+ case SENSOR:
+ data[0] = VGA_s5k4aa[i][2];
+ err = m5602_write_sensor(sd,
+ VGA_s5k4aa[i][1],
+ data, 1);
+ break;
+
+ case SENSOR_LONG:
+ data[0] = VGA_s5k4aa[i][2];
+ data[1] = VGA_s5k4aa[i][3];
+ err = m5602_write_sensor(sd,
+ VGA_s5k4aa[i][1],
+ data, 2);
+ break;
+
+ default:
+ err("Invalid stream command, exiting init");
+ return -EINVAL;
+ }
+ }
+ }
+ return err;
+}
+
int s5k4aa_init(struct sd *sd)
{
int i, err = 0;
@@ -194,17 +306,17 @@ int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
err = m5602_read_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1);
if (err < 0)
- goto out;
+ return err;
*val = data << 8;
err = m5602_read_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
*val |= data;
PDEBUG(D_V4L2, "Read exposure %d", *val);
-out:
+
return err;
}
@@ -217,14 +329,14 @@ int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
PDEBUG(D_V4L2, "Set exposure to %d", val);
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
data = (val >> 8) & 0xff;
err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1);
if (err < 0)
- goto out;
+ return err;
data = val & 0xff;
err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
-out:
+
return err;
}
@@ -236,13 +348,12 @@ int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
err = m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
*val = (data & S5K4AA_RM_V_FLIP) >> 7;
PDEBUG(D_V4L2, "Read vertical flip %d", *val);
-out:
return err;
}
@@ -255,32 +366,32 @@ int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
PDEBUG(D_V4L2, "Set vertical flip to %d", val);
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
if (err < 0)
- goto out;
+ return err;
data = ((data & ~S5K4AA_RM_V_FLIP)
| ((val & 0x01) << 7));
err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
if (err < 0)
- goto out;
+ return err;
if (val) {
err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
if (err < 0)
- goto out;
+ return err;
data++;
err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
} else {
err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
if (err < 0)
- goto out;
+ return err;
data--;
err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
}
-out:
+
return err;
}
@@ -292,12 +403,12 @@ int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
err = m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
*val = (data & S5K4AA_RM_H_FLIP) >> 6;
PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
-out:
+
return err;
}
@@ -311,32 +422,32 @@ int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
val);
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
if (err < 0)
- goto out;
+ return err;
data = ((data & ~S5K4AA_RM_H_FLIP) | ((val & 0x01) << 6));
err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
if (err < 0)
- goto out;
+ return err;
if (val) {
err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
if (err < 0)
- goto out;
+ return err;
data++;
err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
if (err < 0)
- goto out;
+ return err;
} else {
err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
if (err < 0)
- goto out;
+ return err;
data--;
err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
}
-out:
+
return err;
}
@@ -348,13 +459,12 @@ int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
err = m5602_read_sensor(sd, S5K4AA_GAIN_2, &data, 1);
*val = data;
PDEBUG(D_V4L2, "Read gain %d", *val);
-out:
return err;
}
@@ -367,12 +477,11 @@ int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
PDEBUG(D_V4L2, "Set gain to %d", val);
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
- goto out;
+ return err;
data = val & 0xff;
err = m5602_write_sensor(sd, S5K4AA_GAIN_2, &data, 1);
-out:
return err;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.