MODULE_DESCRIPTION("GSPCA/SPCA500 USB Camera Driver");
MODULE_LICENSE("GPL");
+#define QUALITY 85
+
/* 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 70
-#define QUALITY_MAX 95
-#define QUALITY_DEF 85
-
char subtype;
#define AgfaCl20 0
#define AiptekPocketDV 1
u8 jpeg_hdr[JPEG_HDR_SZ];
};
-/* 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 127
- .default_value = BRIGHTNESS_DEF,
- },
- .set = sd_setbrightness,
- .get = sd_getbrightness,
- },
- {
- {
- .id = V4L2_CID_CONTRAST,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 63,
- .step = 1,
-#define CONTRAST_DEF 31
- .default_value = CONTRAST_DEF,
- },
- .set = sd_setcontrast,
- .get = sd_getcontrast,
- },
- {
- {
- .id = V4L2_CID_SATURATION,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Color",
- .minimum = 0,
- .maximum = 63,
- .step = 1,
-#define COLOR_DEF 31
- .default_value = COLOR_DEF,
- },
- .set = sd_setcolors,
- .get = sd_getcolors,
- },
-};
-
static const struct v4l2_pix_format vga_mode[] = {
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320,
cam->cam_mode = sif_mode;
cam->nmodes = ARRAY_SIZE(sif_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);
+ jpeg_set_qual(sd->jpeg_hdr, QUALITY);
if (sd->subtype == LogitechClickSmart310) {
xmult = 0x16;
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)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
reg_w(gspca_dev, 0x00, 0x8167,
- (__u8) (sd->brightness - 128));
+ (__u8) (val - 128));
}
-static void setcontrast(struct gspca_dev *gspca_dev)
+static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- reg_w(gspca_dev, 0x00, 0x8168, sd->contrast);
+ reg_w(gspca_dev, 0x00, 0x8168, val);
}
-static void setcolors(struct gspca_dev *gspca_dev)
+static void setcolors(struct gspca_dev *gspca_dev, s32 val)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- reg_w(gspca_dev, 0x00, 0x8169, sd->colors);
+ reg_w(gspca_dev, 0x00, 0x8169, val);
}
-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);
- 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;
-
- *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;
-}
-
-static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
+ if (!gspca_dev->streaming)
+ return 0;
- *val = sd->contrast;
- return 0;
-}
-
-static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- sd->colors = val;
- if (gspca_dev->streaming)
- setcolors(gspca_dev);
- 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;
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ setbrightness(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_CONTRAST:
+ setcontrast(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_SATURATION:
+ setcolors(gspca_dev, ctrl->val);
+ break;
+ }
+ return gspca_dev->usb_err;
}
-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);
- return 0;
-}
+static const struct v4l2_ctrl_ops sd_ctrl_ops = {
+ .s_ctrl = sd_s_ctrl,
+};
-static int sd_get_jcomp(struct gspca_dev *gspca_dev,
- struct v4l2_jpegcompression *jcomp)
+static int sd_init_controls(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- memset(jcomp, 0, sizeof *jcomp);
- jcomp->quality = sd->quality;
- jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
- | V4L2_JPEG_MARKER_DQT;
+ struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 3);
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 63, 1, 31);
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 63, 1, 31);
+
+ if (hdl->error) {
+ pr_err("Could not initialize controls\n");
+ return hdl->error;
+ }
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,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
- .get_jcomp = sd_get_jcomp,
- .set_jcomp = sd_set_jcomp,
};
/* -- module initialisation -- */
#ifdef CONFIG_PM
.suspend = gspca_suspend,
.resume = gspca_resume,
+ .reset_resume = gspca_resume,
#endif
};
projects / linux-2.6-block.git / blobdiff