forked from Minki/linux
[media] gspca_mars: Convert to the control framework
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
d67a1adaea
commit
98684298f9
@ -30,22 +30,20 @@ MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
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MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* controls */
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enum e_ctrl {
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BRIGHTNESS,
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COLORS,
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GAMMA,
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SHARPNESS,
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ILLUM_TOP,
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ILLUM_BOT,
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NCTRLS /* number of controls */
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};
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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struct gspca_ctrl ctrls[NCTRLS];
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struct v4l2_ctrl_handler ctrl_handler;
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struct v4l2_ctrl *brightness;
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struct v4l2_ctrl *saturation;
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struct v4l2_ctrl *sharpness;
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struct v4l2_ctrl *gamma;
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struct { /* illuminator control cluster */
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struct v4l2_ctrl *illum_top;
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struct v4l2_ctrl *illum_bottom;
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};
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struct v4l2_ctrl *jpegqual;
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u8 quality;
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#define QUALITY_MIN 40
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@ -56,89 +54,10 @@ struct sd {
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};
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/* V4L2 controls supported by the driver */
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static void setbrightness(struct gspca_dev *gspca_dev);
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static void setcolors(struct gspca_dev *gspca_dev);
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static void setgamma(struct gspca_dev *gspca_dev);
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static void setsharpness(struct gspca_dev *gspca_dev);
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static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val);
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static const struct ctrl sd_ctrls[NCTRLS] = {
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[BRIGHTNESS] = {
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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.minimum = 0,
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.maximum = 30,
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.step = 1,
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.default_value = 15,
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},
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.set_control = setbrightness
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},
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[COLORS] = {
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{
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.id = V4L2_CID_SATURATION,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Color",
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.minimum = 1,
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.maximum = 255,
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.step = 1,
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.default_value = 200,
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},
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.set_control = setcolors
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},
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[GAMMA] = {
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{
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.id = V4L2_CID_GAMMA,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gamma",
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.minimum = 0,
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.maximum = 3,
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.step = 1,
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.default_value = 1,
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},
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.set_control = setgamma
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},
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[SHARPNESS] = {
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{
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.id = V4L2_CID_SHARPNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Sharpness",
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.minimum = 0,
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.maximum = 2,
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.step = 1,
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.default_value = 1,
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},
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.set_control = setsharpness
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},
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[ILLUM_TOP] = {
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{
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.id = V4L2_CID_ILLUMINATORS_1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Top illuminator",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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.flags = V4L2_CTRL_FLAG_UPDATE,
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},
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.set = sd_setilluminator1
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},
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[ILLUM_BOT] = {
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{
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.id = V4L2_CID_ILLUMINATORS_2,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Bottom illuminator",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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.flags = V4L2_CTRL_FLAG_UPDATE,
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},
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.set = sd_setilluminator2
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},
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};
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static void setbrightness(struct gspca_dev *gspca_dev, s32 val);
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static void setcolors(struct gspca_dev *gspca_dev, s32 val);
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static void setgamma(struct gspca_dev *gspca_dev, s32 val);
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static void setsharpness(struct gspca_dev *gspca_dev, s32 val);
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static const struct v4l2_pix_format vga_mode[] = {
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{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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@ -198,59 +117,129 @@ static void mi_w(struct gspca_dev *gspca_dev,
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reg_w(gspca_dev, 4);
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}
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static void setbrightness(struct gspca_dev *gspca_dev)
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static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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gspca_dev->usb_buf[0] = 0x61;
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gspca_dev->usb_buf[1] = sd->ctrls[BRIGHTNESS].val;
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gspca_dev->usb_buf[1] = val;
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reg_w(gspca_dev, 2);
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}
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static void setcolors(struct gspca_dev *gspca_dev)
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static void setcolors(struct gspca_dev *gspca_dev, s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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s16 val;
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val = sd->ctrls[COLORS].val;
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gspca_dev->usb_buf[0] = 0x5f;
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gspca_dev->usb_buf[1] = val << 3;
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gspca_dev->usb_buf[2] = ((val >> 2) & 0xf8) | 0x04;
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reg_w(gspca_dev, 3);
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}
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static void setgamma(struct gspca_dev *gspca_dev)
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static void setgamma(struct gspca_dev *gspca_dev, s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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gspca_dev->usb_buf[0] = 0x06;
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gspca_dev->usb_buf[1] = sd->ctrls[GAMMA].val * 0x40;
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gspca_dev->usb_buf[1] = val * 0x40;
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reg_w(gspca_dev, 2);
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}
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static void setsharpness(struct gspca_dev *gspca_dev)
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static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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gspca_dev->usb_buf[0] = 0x67;
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gspca_dev->usb_buf[1] = sd->ctrls[SHARPNESS].val * 4 + 3;
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gspca_dev->usb_buf[1] = val * 4 + 3;
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reg_w(gspca_dev, 2);
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}
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static void setilluminators(struct gspca_dev *gspca_dev)
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static void setilluminators(struct gspca_dev *gspca_dev, bool top, bool bottom)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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/* both are off if not streaming */
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gspca_dev->usb_buf[0] = 0x22;
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if (sd->ctrls[ILLUM_TOP].val)
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if (top)
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gspca_dev->usb_buf[1] = 0x76;
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else if (sd->ctrls[ILLUM_BOT].val)
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else if (bottom)
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gspca_dev->usb_buf[1] = 0x7a;
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else
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gspca_dev->usb_buf[1] = 0x7e;
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reg_w(gspca_dev, 2);
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}
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static int mars_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
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struct gspca_dev *gspca_dev = &sd->gspca_dev;
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gspca_dev->usb_err = 0;
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if (ctrl->id == V4L2_CID_ILLUMINATORS_1) {
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/* only one can be on at a time */
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if (ctrl->is_new && ctrl->val)
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sd->illum_bottom->val = 0;
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if (sd->illum_bottom->is_new && sd->illum_bottom->val)
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sd->illum_top->val = 0;
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}
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if (!gspca_dev->streaming)
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return 0;
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switch (ctrl->id) {
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case V4L2_CID_BRIGHTNESS:
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setbrightness(&sd->gspca_dev, ctrl->val);
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break;
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case V4L2_CID_SATURATION:
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setcolors(&sd->gspca_dev, ctrl->val);
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break;
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case V4L2_CID_GAMMA:
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setgamma(&sd->gspca_dev, ctrl->val);
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break;
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case V4L2_CID_ILLUMINATORS_1:
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setilluminators(&sd->gspca_dev, sd->illum_top->val,
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sd->illum_bottom->val);
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break;
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case V4L2_CID_SHARPNESS:
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setsharpness(&sd->gspca_dev, ctrl->val);
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break;
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case V4L2_CID_JPEG_COMPRESSION_QUALITY:
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jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
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break;
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default:
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return -EINVAL;
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}
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return gspca_dev->usb_err;
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}
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static const struct v4l2_ctrl_ops mars_ctrl_ops = {
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.s_ctrl = mars_s_ctrl,
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};
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/* this function is called at probe time */
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static int sd_init_controls(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
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gspca_dev->vdev.ctrl_handler = hdl;
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v4l2_ctrl_handler_init(hdl, 7);
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sd->brightness = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_BRIGHTNESS, 0, 30, 1, 15);
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sd->saturation = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_SATURATION, 0, 255, 1, 200);
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sd->gamma = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_GAMMA, 0, 3, 1, 1);
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sd->sharpness = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_SHARPNESS, 0, 2, 1, 1);
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sd->illum_top = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_ILLUMINATORS_1, 0, 1, 1, 0);
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sd->illum_top->flags |= V4L2_CTRL_FLAG_UPDATE;
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sd->illum_bottom = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_ILLUMINATORS_2, 0, 1, 1, 0);
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sd->illum_bottom->flags |= V4L2_CTRL_FLAG_UPDATE;
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sd->jpegqual = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
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V4L2_CID_JPEG_COMPRESSION_QUALITY,
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QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF);
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if (hdl->error) {
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pr_err("Could not initialize controls\n");
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return hdl->error;
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}
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v4l2_ctrl_cluster(2, &sd->illum_top);
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return 0;
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}
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/* this function is called at probe time */
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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@ -261,7 +250,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
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cam = &gspca_dev->cam;
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cam->cam_mode = vga_mode;
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cam->nmodes = ARRAY_SIZE(vga_mode);
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cam->ctrls = sd->ctrls;
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sd->quality = QUALITY_DEF;
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return 0;
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}
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@ -269,7 +257,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
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/* this function is called at probe and resume time */
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static int sd_init(struct gspca_dev *gspca_dev)
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{
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gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT);
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return 0;
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}
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@ -282,7 +269,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
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/* create the JPEG header */
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jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
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0x21); /* JPEG 422 */
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jpeg_set_qual(sd->jpeg_hdr, sd->quality);
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jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
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data = gspca_dev->usb_buf;
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@ -301,7 +288,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
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data[5] = 0x30; /* reg 4, MI, PAS5101 :
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* 0x30 for 24mhz , 0x28 for 12mhz */
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data[6] = 0x02; /* reg 5, H start - was 0x04 */
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data[7] = sd->ctrls[GAMMA].val * 0x40; /* reg 0x06: gamma */
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data[7] = v4l2_ctrl_g_ctrl(sd->gamma) * 0x40; /* reg 0x06: gamma */
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data[8] = 0x01; /* reg 7, V start - was 0x03 */
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/* if (h_size == 320 ) */
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/* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */
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@ -333,16 +320,16 @@ static int sd_start(struct gspca_dev *gspca_dev)
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/* reg 0x5f/0x60 (LE) = saturation */
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/* h (60): xxxx x100
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* l (5f): xxxx x000 */
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data[2] = sd->ctrls[COLORS].val << 3;
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data[3] = ((sd->ctrls[COLORS].val >> 2) & 0xf8) | 0x04;
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data[4] = sd->ctrls[BRIGHTNESS].val; /* reg 0x61 = brightness */
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data[2] = v4l2_ctrl_g_ctrl(sd->saturation) << 3;
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data[3] = ((v4l2_ctrl_g_ctrl(sd->saturation) >> 2) & 0xf8) | 0x04;
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data[4] = v4l2_ctrl_g_ctrl(sd->brightness); /* reg 0x61 = brightness */
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data[5] = 0x00;
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reg_w(gspca_dev, 6);
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data[0] = 0x67;
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/*jfm: from win trace*/
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data[1] = sd->ctrls[SHARPNESS].val * 4 + 3;
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data[1] = v4l2_ctrl_g_ctrl(sd->sharpness) * 4 + 3;
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data[2] = 0x14;
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reg_w(gspca_dev, 3);
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@ -365,7 +352,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
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data[1] = 0x4d; /* ISOC transferring enable... */
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reg_w(gspca_dev, 2);
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gspca_dev->ctrl_inac = 0; /* activate the illuminator controls */
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setilluminators(gspca_dev, v4l2_ctrl_g_ctrl(sd->illum_top),
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v4l2_ctrl_g_ctrl(sd->illum_bottom));
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return gspca_dev->usb_err;
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}
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@ -373,11 +362,9 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT);
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if (sd->ctrls[ILLUM_TOP].val || sd->ctrls[ILLUM_BOT].val) {
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sd->ctrls[ILLUM_TOP].val = 0;
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sd->ctrls[ILLUM_BOT].val = 0;
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setilluminators(gspca_dev);
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if (v4l2_ctrl_g_ctrl(sd->illum_top) ||
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v4l2_ctrl_g_ctrl(sd->illum_bottom)) {
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setilluminators(gspca_dev, false, false);
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msleep(20);
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}
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@ -424,43 +411,16 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
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}
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static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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/* only one illuminator may be on */
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sd->ctrls[ILLUM_TOP].val = val;
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if (val)
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sd->ctrls[ILLUM_BOT].val = 0;
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setilluminators(gspca_dev);
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return gspca_dev->usb_err;
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}
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static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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/* only one illuminator may be on */
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sd->ctrls[ILLUM_BOT].val = val;
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if (val)
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sd->ctrls[ILLUM_TOP].val = 0;
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setilluminators(gspca_dev);
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return gspca_dev->usb_err;
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}
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static int sd_set_jcomp(struct gspca_dev *gspca_dev,
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struct v4l2_jpegcompression *jcomp)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int ret;
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if (jcomp->quality < QUALITY_MIN)
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sd->quality = QUALITY_MIN;
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else if (jcomp->quality > QUALITY_MAX)
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sd->quality = QUALITY_MAX;
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else
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sd->quality = jcomp->quality;
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if (gspca_dev->streaming)
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jpeg_set_qual(sd->jpeg_hdr, sd->quality);
|
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ret = v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
|
||||
if (ret)
|
||||
return ret;
|
||||
jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -470,7 +430,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
|
||||
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;
|
||||
@ -479,10 +439,9 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
|
||||
/* sub-driver description */
|
||||
static const struct sd_desc sd_desc = {
|
||||
.name = MODULE_NAME,
|
||||
.ctrls = sd_ctrls,
|
||||
.nctrls = NCTRLS,
|
||||
.config = sd_config,
|
||||
.init = sd_init,
|
||||
.init_controls = sd_init_controls,
|
||||
.start = sd_start,
|
||||
.stopN = sd_stopN,
|
||||
.pkt_scan = sd_pkt_scan,
|
||||
@ -513,6 +472,7 @@ static struct usb_driver sd_driver = {
|
||||
#ifdef CONFIG_PM
|
||||
.suspend = gspca_suspend,
|
||||
.resume = gspca_resume,
|
||||
.reset_resume = gspca_resume,
|
||||
#endif
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user