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[media] stk014: 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
df0df1acca
commit
74dec79714
@ -29,22 +29,11 @@ MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
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MODULE_DESCRIPTION("Syntek DV4000 (STK014) 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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CONTRAST,
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COLORS,
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LIGHTFREQ,
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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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u8 quality;
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struct v4l2_ctrl *jpegqual;
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#define QUALITY_MIN 70
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#define QUALITY_MAX 95
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#define QUALITY_DEF 88
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@ -52,63 +41,6 @@ struct sd {
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u8 jpeg_hdr[JPEG_HDR_SZ];
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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 setcontrast(struct gspca_dev *gspca_dev);
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static void setcolors(struct gspca_dev *gspca_dev);
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static void setlightfreq(struct gspca_dev *gspca_dev);
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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 = 255,
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.step = 1,
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.default_value = 127,
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},
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.set_control = setbrightness
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},
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[CONTRAST] = {
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{
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.id = V4L2_CID_CONTRAST,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Contrast",
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.minimum = 0,
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.maximum = 255,
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.step = 1,
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.default_value = 127,
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},
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.set_control = setcontrast
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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 = 0,
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.maximum = 255,
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.step = 1,
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.default_value = 127,
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},
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.set_control = setcolors
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},
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[LIGHTFREQ] = {
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{
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.id = V4L2_CID_POWER_LINE_FREQUENCY,
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.type = V4L2_CTRL_TYPE_MENU,
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.name = "Light frequency filter",
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.minimum = 1,
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.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
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.step = 1,
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.default_value = 1,
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},
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.set_control = setlightfreq
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},
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};
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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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.bytesperline = 320,
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@ -255,41 +187,36 @@ static void set_par(struct gspca_dev *gspca_dev,
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snd_val(gspca_dev, 0x003f08, parval);
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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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int parval;
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parval = 0x06000000 /* whiteness */
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+ (sd->ctrls[BRIGHTNESS].val << 16);
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+ (val << 16);
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set_par(gspca_dev, parval);
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}
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static void setcontrast(struct gspca_dev *gspca_dev)
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static void setcontrast(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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int parval;
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parval = 0x07000000 /* contrast */
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+ (sd->ctrls[CONTRAST].val << 16);
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+ (val << 16);
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set_par(gspca_dev, parval);
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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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int parval;
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parval = 0x08000000 /* saturation */
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+ (sd->ctrls[COLORS].val << 16);
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+ (val << 16);
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set_par(gspca_dev, parval);
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}
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static void setlightfreq(struct gspca_dev *gspca_dev)
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static void setlightfreq(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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set_par(gspca_dev, sd->ctrls[LIGHTFREQ].val == 1
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set_par(gspca_dev, val == 1
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? 0x33640000 /* 50 Hz */
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: 0x33780000); /* 60 Hz */
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}
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@ -298,12 +225,8 @@ static void setlightfreq(struct gspca_dev *gspca_dev)
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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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{
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struct sd *sd = (struct sd *) gspca_dev;
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gspca_dev->cam.cam_mode = vga_mode;
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gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
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gspca_dev->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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@ -333,7 +256,6 @@ 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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0x22); /* JPEG 411 */
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jpeg_set_qual(sd->jpeg_hdr, sd->quality);
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/* work on alternate 1 */
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usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
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@ -365,14 +287,11 @@ static int sd_start(struct gspca_dev *gspca_dev)
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reg_w(gspca_dev, 0x0640, 0);
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reg_w(gspca_dev, 0x0650, 0);
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reg_w(gspca_dev, 0x0660, 0);
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setbrightness(gspca_dev); /* whiteness */
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setcontrast(gspca_dev); /* contrast */
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setcolors(gspca_dev); /* saturation */
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v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler);
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set_par(gspca_dev, 0x09800000); /* Red ? */
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set_par(gspca_dev, 0x0a800000); /* Green ? */
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set_par(gspca_dev, 0x0b800000); /* Blue ? */
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set_par(gspca_dev, 0x0d030000); /* Gamma ? */
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setlightfreq(gspca_dev);
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/* start the video flow */
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set_par(gspca_dev, 0x01000000);
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@ -435,34 +354,12 @@ 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_querymenu(struct gspca_dev *gspca_dev,
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struct v4l2_querymenu *menu)
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{
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static const char *freq_nm[3] = {"NoFliker", "50 Hz", "60 Hz"};
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switch (menu->id) {
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case V4L2_CID_POWER_LINE_FREQUENCY:
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if ((unsigned) menu->index >= ARRAY_SIZE(freq_nm))
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break;
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strcpy((char *) menu->name, freq_nm[menu->index]);
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return 0;
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}
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return -EINVAL;
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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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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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v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
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return gspca_dev->usb_err;
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}
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@ -472,23 +369,84 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
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struct sd *sd = (struct sd *) gspca_dev;
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memset(jcomp, 0, sizeof *jcomp);
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jcomp->quality = sd->quality;
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jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
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jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
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| V4L2_JPEG_MARKER_DQT;
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return 0;
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}
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static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct gspca_dev *gspca_dev =
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container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
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struct sd *sd = (struct sd *)gspca_dev;
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gspca_dev->usb_err = 0;
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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(gspca_dev, ctrl->val);
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break;
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case V4L2_CID_CONTRAST:
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setcontrast(gspca_dev, ctrl->val);
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break;
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case V4L2_CID_SATURATION:
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setcolors(gspca_dev, ctrl->val);
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break;
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case V4L2_CID_POWER_LINE_FREQUENCY:
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setlightfreq(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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}
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return gspca_dev->usb_err;
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}
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static const struct v4l2_ctrl_ops sd_ctrl_ops = {
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.s_ctrl = sd_s_ctrl,
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};
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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 = &gspca_dev->ctrl_handler;
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gspca_dev->vdev.ctrl_handler = hdl;
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v4l2_ctrl_handler_init(hdl, 5);
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
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V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
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V4L2_CID_CONTRAST, 0, 255, 1, 127);
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v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
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V4L2_CID_SATURATION, 0, 255, 1, 127);
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v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
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V4L2_CID_POWER_LINE_FREQUENCY,
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V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 1,
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V4L2_CID_POWER_LINE_FREQUENCY_50HZ);
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sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_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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return 0;
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}
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/* sub-driver description */
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static const struct sd_desc sd_desc = {
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.name = MODULE_NAME,
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.ctrls = sd_ctrls,
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.nctrls = NCTRLS,
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.config = sd_config,
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.init = sd_init,
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.init_controls = sd_init_controls,
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.start = sd_start,
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.stopN = sd_stopN,
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.pkt_scan = sd_pkt_scan,
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.querymenu = sd_querymenu,
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.get_jcomp = sd_get_jcomp,
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.set_jcomp = sd_set_jcomp,
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};
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