V4L/DVB (9987): gspca - spca561: Control changes for Rev72a.
- move the rev12a sequence from setcontrast to end of start - add the white balance control for rev72a - adjust the contrast formula Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-Francois Moine
Mauro Carvalho Chehab
parent
f4b59e3532
commit
5b7ed28ec5
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@ -32,22 +32,22 @@ MODULE_LICENSE("GPL");
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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__u16 contrast; /* rev72a only */
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#define CONTRAST_MIN 0x0000
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#define CONTRAST_DEF 0x2000
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#define CONTRAST_MAX 0x3fff
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__u16 exposure; /* rev12a only */
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#define EXPOSURE_MIN 1
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#define EXPOSURE_DEF 200
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#define EXPOSURE_MAX (4095 - 900) /* see set_exposure */
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__u8 contrast; /* rev72a only */
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#define CONTRAST_MIN 0x00
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#define CONTRAST_DEF 0x20
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#define CONTRAST_MAX 0x3f
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__u8 brightness; /* rev72a only */
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#define BRIGHTNESS_MIN 0
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#define BRIGHTNESS_DEF 32
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#define BRIGHTNESS_MAX 63
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#define BRIGHTNESS_DEF 0x20
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#define BRIGHTNESS_MAX 0x3f
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__u8 white; /* rev12a only */
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__u8 white;
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#define WHITE_MIN 1
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#define WHITE_DEF 0x40
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#define WHITE_MAX 0x7f
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@ -218,10 +218,11 @@ static const __u16 rev72a_init_data[][2] = {
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{0x0004, 0x8612}, /* Gr offset for white balance */
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{0x0007, 0x8613}, /* B offset for white balance */
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{0x0000, 0x8614}, /* Gb offset for white balance */
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{0x008c, 0x8651}, /* R gain for white balance */
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{0x008c, 0x8652}, /* Gr gain for white balance */
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{0x00b5, 0x8653}, /* B gain for white balance */
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{0x008c, 0x8654}, /* Gb gain for white balance */
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/* from ms-win */
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{0x0035, 0x8651}, /* R gain for white balance */
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{0x0040, 0x8652}, /* Gr gain for white balance */
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{0x005f, 0x8653}, /* B gain for white balance */
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{0x0040, 0x8654}, /* Gb gain for white balance */
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{0x0002, 0x8502}, /* Maximum average bit rate stuff */
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{0x0011, 0x8802},
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@ -591,46 +592,60 @@ static int sd_init_72a(struct gspca_dev *gspca_dev)
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return 0;
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}
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static void setcontrast(struct gspca_dev *gspca_dev)
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/* rev 72a only */
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static void setbrightness(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 usb_device *dev = gspca_dev->dev;
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__u8 lowb;
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__u8 value;
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switch (sd->chip_revision) {
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case Rev072A:
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lowb = sd->contrast >> 8;
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reg_w_val(dev, 0x8651, lowb);
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reg_w_val(dev, 0x8652, lowb);
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reg_w_val(dev, 0x8653, lowb);
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reg_w_val(dev, 0x8654, lowb);
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break;
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default: {
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/* case Rev012A: { */
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static const __u8 Reg8391[] =
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{ 0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00 };
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value = sd->brightness;
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memcpy(gspca_dev->usb_buf, Reg8391, 8);
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reg_w_buf(gspca_dev, 0x8391, 8);
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reg_w_buf(gspca_dev, 0x8390, 8);
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break;
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}
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}
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/* offsets for white balance */
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reg_w_val(dev, 0x8611, value); /* R */
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reg_w_val(dev, 0x8612, value); /* Gr */
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reg_w_val(dev, 0x8613, value); /* B */
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reg_w_val(dev, 0x8614, value); /* Gb */
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}
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/* rev12a only */
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static void setwhite(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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__u16 white;
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__u8 reg8614, reg8616;
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__u8 blue, red;
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__u16 reg;
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white = sd->white;
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/* try to emulate MS-win as possible */
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reg8616 = 0x90 - white * 5 / 8;
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reg_w_val(gspca_dev->dev, 0x8616, reg8616);
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reg8614 = 0x20 + white * 3 / 8;
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reg_w_val(gspca_dev->dev, 0x8614, reg8614);
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white = sd->white;
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red = 0x20 + white * 3 / 8;
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blue = 0x90 - white * 5 / 8;
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if (sd->chip_revision == Rev012A) {
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reg = 0x8614;
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} else {
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reg = 0x8651;
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red += sd->contrast - 0x20;
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blue += sd->contrast - 0x20;
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}
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reg_w_val(gspca_dev->dev, reg, red);
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reg_w_val(gspca_dev->dev, reg + 2, blue);
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}
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static void setcontrast(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 usb_device *dev = gspca_dev->dev;
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__u8 value;
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if (sd->chip_revision != Rev072A)
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return;
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value = sd->contrast + 0x20;
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/* gains for white balance */
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setwhite(gspca_dev);
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/* reg_w_val(dev, 0x8651, value); * R - done by setwhite */
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reg_w_val(dev, 0x8652, value); /* Gr */
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/* reg_w_val(dev, 0x8653, value); * B - done by setwhite */
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reg_w_val(dev, 0x8654, value); /* Gb */
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}
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/* rev 12a only */
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@ -690,9 +705,9 @@ static void setautogain(struct gspca_dev *gspca_dev)
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static int sd_start_12a(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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int Clck = 0x8a; /* lower 0x8X values lead to fps > 30 */
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__u8 Reg8307[] = { 0xaa, 0x00 };
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int mode;
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static const __u8 Reg8391[8] =
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{0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00};
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mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
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if (mode <= 1) {
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@ -705,15 +720,20 @@ static int sd_start_12a(struct gspca_dev *gspca_dev)
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reg_w_val(dev, 0x8500, mode);
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} /* -- qq@kuku.eu.org */
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memcpy(gspca_dev->usb_buf, Reg8307, sizeof Reg8307);
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reg_w_buf(gspca_dev, 0x8307, sizeof Reg8307);
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reg_w_val(gspca_dev->dev, 0x8700, Clck);
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gspca_dev->usb_buf[0] = 0xaa;
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gspca_dev->usb_buf[1] = 0x00;
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reg_w_buf(gspca_dev, 0x8307, 2);
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/* clock - lower 0x8X values lead to fps > 30 */
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reg_w_val(gspca_dev->dev, 0x8700, 0x8a);
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/* 0x8f 0x85 0x27 clock */
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reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
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reg_w_val(gspca_dev->dev, 0x850b, 0x03);
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setcontrast(gspca_dev);
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memcpy(gspca_dev->usb_buf, Reg8391, 8);
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reg_w_buf(gspca_dev, 0x8391, 8);
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reg_w_buf(gspca_dev, 0x8390, 8);
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setwhite(gspca_dev);
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setautogain(gspca_dev);
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/* setgain(gspca_dev); */
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setexposure(gspca_dev);
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return 0;
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}
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@ -740,6 +760,9 @@ static int sd_start_72a(struct gspca_dev *gspca_dev)
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reg_w_val(dev, 0x8500, mode); /* mode */
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reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */
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reg_w_val(dev, 0x8112, 0x10 | 0x20);
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setcontrast(gspca_dev);
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/* setbrightness(gspca_dev); * fixme: bad values */
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setwhite(gspca_dev);
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setautogain(gspca_dev);
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return 0;
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}
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@ -887,19 +910,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
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}
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/* rev 72a only */
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static void setbrightness(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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__u8 value;
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value = sd->brightness;
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reg_w_val(gspca_dev->dev, 0x8611, value);
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reg_w_val(gspca_dev->dev, 0x8612, value);
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reg_w_val(gspca_dev->dev, 0x8613, value);
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reg_w_val(gspca_dev->dev, 0x8614, value);
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}
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/* rev 72a only */
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static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
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{
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@ -956,7 +966,6 @@ static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
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return 0;
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}
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/* rev12a only */
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static int sd_setwhite(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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@ -1070,6 +1079,19 @@ static struct ctrl sd_ctrls_12a[] = {
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};
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static struct ctrl sd_ctrls_72a[] = {
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{
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{
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.id = V4L2_CID_DO_WHITE_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "White Balance",
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.minimum = WHITE_MIN,
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.maximum = WHITE_MAX,
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.step = 1,
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.default_value = WHITE_DEF,
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},
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.set = sd_setwhite,
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.get = sd_getwhite,
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},
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{
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{
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.id = V4L2_CID_BRIGHTNESS,
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