MODULE_DESCRIPTION("GSPCA USB Conexant Camera Driver");
MODULE_LICENSE("GPL");
-/* specific webcam descriptor */
-struct sd {
- struct gspca_dev gspca_dev; /* !! must be the first item */
-
- unsigned char brightness;
- unsigned char contrast;
- unsigned char colors;
- u8 quality;
#define QUALITY_MIN 30
#define QUALITY_MAX 60
#define QUALITY_DEF 40
- u8 jpeg_hdr[JPEG_HDR_SZ];
-};
+/* specific webcam descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+ struct v4l2_ctrl *brightness;
+ struct v4l2_ctrl *contrast;
+ struct v4l2_ctrl *sat;
+ struct v4l2_ctrl *jpegqual;
-/* V4L2 controls supported by the driver */
-static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
-static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
-static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
-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 const struct ctrl sd_ctrls[] = {
- {
- {
- .id = V4L2_CID_BRIGHTNESS,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Brightness",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
-#define BRIGHTNESS_DEF 0xd4
- .default_value = BRIGHTNESS_DEF,
- },
- .set = sd_setbrightness,
- .get = sd_getbrightness,
- },
- {
- {
- .id = V4L2_CID_CONTRAST,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Contrast",
- .minimum = 0x0a,
- .maximum = 0x1f,
- .step = 1,
-#define CONTRAST_DEF 0x0c
- .default_value = CONTRAST_DEF,
- },
- .set = sd_setcontrast,
- .get = sd_getcontrast,
- },
- {
- {
- .id = V4L2_CID_SATURATION,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Color",
- .minimum = 0,
- .maximum = 7,
- .step = 1,
-#define COLOR_DEF 3
- .default_value = COLOR_DEF,
- },
- .set = sd_setcolors,
- .get = sd_getcolors,
- },
+ u8 jpeg_hdr[JPEG_HDR_SZ];
};
static const struct v4l2_pix_format vga_mode[] = {
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
- struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
cam = &gspca_dev->cam;
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
-
- sd->brightness = BRIGHTNESS_DEF;
- sd->contrast = CONTRAST_DEF;
- sd->colors = COLOR_DEF;
- sd->quality = QUALITY_DEF;
return 0;
}
/* create the JPEG header */
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x22); /* JPEG 411 */
- jpeg_set_qual(sd->jpeg_hdr, sd->quality);
cx11646_initsize(gspca_dev);
cx11646_fw(gspca_dev);
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
-static void setbrightness(struct gspca_dev *gspca_dev)
+static void setbrightness(struct gspca_dev *gspca_dev, s32 val, s32 sat)
{
- struct sd *sd = (struct sd *) gspca_dev;
__u8 regE5cbx[] = { 0x88, 0x00, 0xd4, 0x01, 0x88, 0x01, 0x01, 0x01 };
__u8 reg51c[2];
- __u8 bright;
- __u8 colors;
- bright = sd->brightness;
- regE5cbx[2] = bright;
+ regE5cbx[2] = val;
reg_w(gspca_dev, 0x00e5, regE5cbx, 8);
reg_r(gspca_dev, 0x00e8, 8);
reg_w(gspca_dev, 0x00e5, regE5c, 4);
reg_r(gspca_dev, 0x00e8, 1); /* 0x00 */
- colors = sd->colors;
reg51c[0] = 0x77;
- reg51c[1] = colors;
+ reg51c[1] = sat;
reg_w(gspca_dev, 0x0051, reg51c, 2);
reg_w(gspca_dev, 0x0010, reg10, 2);
reg_w_val(gspca_dev, 0x0070, reg70);
}
-static void setcontrast(struct gspca_dev *gspca_dev)
+static void setcontrast(struct gspca_dev *gspca_dev, s32 val, s32 sat)
{
- struct sd *sd = (struct sd *) gspca_dev;
__u8 regE5acx[] = { 0x88, 0x0a, 0x0c, 0x01 }; /* seem MSB */
/* __u8 regE5bcx[] = { 0x88, 0x0b, 0x12, 0x01}; * LSB */
__u8 reg51c[2];
- regE5acx[2] = sd->contrast;
+ regE5acx[2] = val;
reg_w(gspca_dev, 0x00e5, regE5acx, 4);
reg_r(gspca_dev, 0x00e8, 1); /* 0x00 */
reg51c[0] = 0x77;
- reg51c[1] = sd->colors;
+ reg51c[1] = sat;
reg_w(gspca_dev, 0x0051, reg51c, 2);
reg_w(gspca_dev, 0x0010, reg10, 2);
reg_w_val(gspca_dev, 0x0070, reg70);
}
-static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
+static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
- struct sd *sd = (struct sd *) gspca_dev;
+ struct gspca_dev *gspca_dev =
+ container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+ struct sd *sd = (struct sd *)gspca_dev;
- sd->brightness = val;
- if (gspca_dev->streaming)
- setbrightness(gspca_dev);
- return 0;
-}
+ gspca_dev->usb_err = 0;
-static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
+ if (!gspca_dev->streaming)
+ return 0;
- *val = sd->brightness;
- return 0;
-}
-
-static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- sd->contrast = val;
- if (gspca_dev->streaming)
- setcontrast(gspca_dev);
- return 0;
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ setbrightness(gspca_dev, ctrl->val, sd->sat->cur.val);
+ break;
+ case V4L2_CID_CONTRAST:
+ setcontrast(gspca_dev, ctrl->val, sd->sat->cur.val);
+ break;
+ case V4L2_CID_SATURATION:
+ setbrightness(gspca_dev, sd->brightness->cur.val, ctrl->val);
+ setcontrast(gspca_dev, sd->contrast->cur.val, ctrl->val);
+ break;
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
+ break;
+ }
+ return gspca_dev->usb_err;
}
-static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- *val = sd->contrast;
- return 0;
-}
+static const struct v4l2_ctrl_ops sd_ctrl_ops = {
+ .s_ctrl = sd_s_ctrl,
+};
-static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
+static int sd_init_controls(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- sd->colors = val;
- if (gspca_dev->streaming) {
- setbrightness(gspca_dev);
- setcontrast(gspca_dev);
+ struct sd *sd = (struct sd *)gspca_dev;
+ struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 4);
+ sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 0xd4);
+ sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_CONTRAST, 0x0a, 0x1f, 1, 0x0c);
+ sd->sat = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 7, 1, 3);
+ sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY,
+ QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF);
+ if (hdl->error) {
+ pr_err("Could not initialize controls\n");
+ return hdl->error;
}
return 0;
}
-static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- *val = sd->colors;
- return 0;
-}
-
static int sd_set_jcomp(struct gspca_dev *gspca_dev,
struct v4l2_jpegcompression *jcomp)
{
struct sd *sd = (struct sd *) gspca_dev;
- if (jcomp->quality < QUALITY_MIN)
- sd->quality = QUALITY_MIN;
- else if (jcomp->quality > QUALITY_MAX)
- sd->quality = QUALITY_MAX;
- else
- sd->quality = jcomp->quality;
- if (gspca_dev->streaming)
- jpeg_set_qual(sd->jpeg_hdr, sd->quality);
+ v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
return 0;
}
struct sd *sd = (struct sd *) gspca_dev;
memset(jcomp, 0, sizeof *jcomp);
- jcomp->quality = sd->quality;
+ jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
| V4L2_JPEG_MARKER_DQT;
return 0;
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
- .ctrls = sd_ctrls,
- .nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config,
.init = sd_init,
+ .init_controls = sd_init_controls,
.start = sd_start,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
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