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Commit 3fa24bf5 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] spca561: convert to the control framework 

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent fca2e678
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Showing with 103 additions and 283 deletions
drivers/media/video/gspca/spca561.c
View file @ 3fa24bf5
......@@ -31,39 +31,17 @@ MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
MODULE_LICENSE("GPL");
#define EXPOSURE_MAX (2047 + 325)
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
__u16 exposure; /* rev12a only */
#define EXPOSURE_MIN 1
#define EXPOSURE_DEF 700 /* == 10 fps */
#define EXPOSURE_MAX (2047 + 325) /* see setexposure */
__u8 contrast; /* rev72a only */
#define CONTRAST_MIN 0x00
#define CONTRAST_DEF 0x20
#define CONTRAST_MAX 0x3f
__u8 brightness; /* rev72a only */
#define BRIGHTNESS_MIN 0
#define BRIGHTNESS_DEF 0x20
#define BRIGHTNESS_MAX 0x3f
__u8 white;
#define HUE_MIN 1
#define HUE_DEF 0x40
#define HUE_MAX 0x7f
__u8 autogain;
#define AUTOGAIN_MIN 0
#define AUTOGAIN_DEF 1
#define AUTOGAIN_MAX 1
__u8 gain; /* rev12a only */
#define GAIN_MIN 0
#define GAIN_DEF 63
#define GAIN_MAX 255
struct { /* hue/contrast control cluster */
struct v4l2_ctrl *contrast;
struct v4l2_ctrl *hue;
};
struct v4l2_ctrl *autogain;
#define EXPO12A_DEF 3
__u8 expo12a; /* expo/gain? for rev 12a */
......@@ -461,12 +439,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam->cam_mode = sif_072a_mode;
cam->nmodes = ARRAY_SIZE(sif_072a_mode);
}
sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
sd->white = HUE_DEF;
sd->exposure = EXPOSURE_DEF;
sd->autogain = AUTOGAIN_DEF;
sd->gain = GAIN_DEF;
sd->expo12a = EXPO12A_DEF;
return 0;
}
......@@ -492,65 +464,43 @@ static int sd_init_72a(struct gspca_dev *gspca_dev)
}
/* rev 72a only */
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;
struct usb_device *dev = gspca_dev->dev;
__u8 value;
value = sd->brightness;
/* offsets for white balance */
reg_w_val(dev, 0x8611, value); /* R */
reg_w_val(dev, 0x8612, value); /* Gr */
reg_w_val(dev, 0x8613, value); /* B */
reg_w_val(dev, 0x8614, value); /* Gb */
reg_w_val(dev, 0x8611, val); /* R */
reg_w_val(dev, 0x8612, val); /* Gr */
reg_w_val(dev, 0x8613, val); /* B */
reg_w_val(dev, 0x8614, val); /* Gb */
}
static void setwhite(struct gspca_dev *gspca_dev)
static void setwhite(struct gspca_dev *gspca_dev, s32 white, s32 contrast)
{
struct sd *sd = (struct sd *) gspca_dev;
__u16 white;
struct usb_device *dev = gspca_dev->dev;
__u8 blue, red;
__u16 reg;
/* try to emulate MS-win as possible */
white = sd->white;
red = 0x20 + white * 3 / 8;
blue = 0x90 - white * 5 / 8;
if (sd->chip_revision == Rev012A) {
reg = 0x8614;
} else {
reg = 0x8651;
red += sd->contrast - 0x20;
blue += sd->contrast - 0x20;
red += contrast - 0x20;
blue += contrast - 0x20;
reg_w_val(dev, 0x8652, contrast + 0x20); /* Gr */
reg_w_val(dev, 0x8654, contrast + 0x20); /* Gb */
}
reg_w_val(gspca_dev->dev, reg, red);
reg_w_val(gspca_dev->dev, reg + 2, blue);
}
static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
struct usb_device *dev = gspca_dev->dev;
__u8 value;
if (sd->chip_revision != Rev072A)
return;
value = sd->contrast + 0x20;
/* gains for white balance */
setwhite(gspca_dev);
/* reg_w_val(dev, 0x8651, value); * R - done by setwhite */
reg_w_val(dev, 0x8652, value); /* Gr */
/* reg_w_val(dev, 0x8653, value); * B - done by setwhite */
reg_w_val(dev, 0x8654, value); /* Gb */
reg_w_val(dev, reg, red);
reg_w_val(dev, reg + 2, blue);
}
/* rev 12a only */
static void setexposure(struct gspca_dev *gspca_dev)
static void setexposure(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
int i, expo = 0;
/* Register 0x8309 controls exposure for the spca561,
......@@ -572,8 +522,8 @@ static void setexposure(struct gspca_dev *gspca_dev)
int table[] = { 0, 450, 550, 625, EXPOSURE_MAX };
for (i = 0; i < ARRAY_SIZE(table) - 1; i++) {
if (sd->exposure <= table[i + 1]) {
expo = sd->exposure - table[i];
if (val <= table[i + 1]) {
expo = val - table[i];
if (i)
expo += 300;
expo |= i << 11;
......@@ -587,29 +537,27 @@ static void setexposure(struct gspca_dev *gspca_dev)
}
/* rev 12a only */
static void setgain(struct gspca_dev *gspca_dev)
static void setgain(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
/* gain reg low 6 bits 0-63 gain, bit 6 and 7, both double the
sensitivity when set, so 31 + one of them set == 63, and 15
with both of them set == 63 */
if (sd->gain < 64)
gspca_dev->usb_buf[0] = sd->gain;
else if (sd->gain < 128)
gspca_dev->usb_buf[0] = (sd->gain / 2) | 0x40;
if (val < 64)
gspca_dev->usb_buf[0] = val;
else if (val < 128)
gspca_dev->usb_buf[0] = (val / 2) | 0x40;
else
gspca_dev->usb_buf[0] = (sd->gain / 4) | 0xc0;
gspca_dev->usb_buf[0] = (val / 4) | 0xc0;
gspca_dev->usb_buf[1] = 0;
reg_w_buf(gspca_dev, 0x8335, 2);
}
static void setautogain(struct gspca_dev *gspca_dev)
static void setautogain(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
if (sd->autogain)
if (val)
sd->ag_cnt = AG_CNT_START;
else
sd->ag_cnt = -1;
......@@ -644,9 +592,7 @@ static int sd_start_12a(struct gspca_dev *gspca_dev)
memcpy(gspca_dev->usb_buf, Reg8391, 8);
reg_w_buf(gspca_dev, 0x8391, 8);
reg_w_buf(gspca_dev, 0x8390, 8);
setwhite(gspca_dev);
setgain(gspca_dev);
setexposure(gspca_dev);
v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler);
/* Led ON (bit 3 -> 0 */
reg_w_val(gspca_dev->dev, 0x8114, 0x00);
......@@ -654,6 +600,7 @@ static int sd_start_12a(struct gspca_dev *gspca_dev)
}
static int sd_start_72a(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
struct usb_device *dev = gspca_dev->dev;
int Clck;
int mode;
......@@ -683,9 +630,10 @@ static int sd_start_72a(struct gspca_dev *gspca_dev)
reg_w_val(dev, 0x8702, 0x81);
reg_w_val(dev, 0x8500, mode); /* mode */
write_sensor_72a(gspca_dev, rev72a_init_sensor2);
setcontrast(gspca_dev);
setwhite(gspca_dev, v4l2_ctrl_g_ctrl(sd->hue),
v4l2_ctrl_g_ctrl(sd->contrast));
/* setbrightness(gspca_dev); * fixme: bad values */
setautogain(gspca_dev);
setautogain(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain));
reg_w_val(dev, 0x8112, 0x10 | 0x20);
return 0;
}
......@@ -819,221 +767,94 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
/* rev 72a only */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->brightness = val;
if (gspca_dev->streaming)
setbrightness(gspca_dev);
return 0;
}
static int sd_getbrightness(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;
*val = sd->brightness;
return 0;
}
gspca_dev->usb_err = 0;
/* rev 72a only */
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
if (!gspca_dev->streaming)
return 0;
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;
*val = sd->contrast;
return 0;
}
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
if (gspca_dev->streaming)
setautogain(gspca_dev);
return 0;
}
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->autogain;
return 0;
}
static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->white = val;
if (gspca_dev->streaming)
setwhite(gspca_dev);
return 0;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
setbrightness(gspca_dev, ctrl->val);
break;
case V4L2_CID_CONTRAST:
/* hue/contrast control cluster for 72a */
setwhite(gspca_dev, sd->hue->val, ctrl->val);
break;
case V4L2_CID_HUE:
/* just plain hue control for 12a */
setwhite(gspca_dev, ctrl->val, 0);
break;
case V4L2_CID_EXPOSURE:
setexposure(gspca_dev, ctrl->val);
break;
case V4L2_CID_GAIN:
setgain(gspca_dev, ctrl->val);
break;
case V4L2_CID_AUTOGAIN:
setautogain(gspca_dev, ctrl->val);
break;
}
return gspca_dev->usb_err;
}
static int sd_getwhite(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->white;
return 0;
}
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
.s_ctrl = sd_s_ctrl,
};
/* rev12a only */
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
static int sd_init_controls_12a(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
sd->exposure = val;
if (gspca_dev->streaming)
setexposure(gspca_dev);
return 0;
}
gspca_dev->vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 3);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_HUE, 1, 0x7f, 1, 0x40);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_EXPOSURE, 1, EXPOSURE_MAX, 1, 700);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_GAIN, 0, 255, 1, 63);
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->exposure;
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
return 0;
}
/* rev12a only */
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
static int sd_init_controls_72a(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->gain = val;
if (gspca_dev->streaming)
setgain(gspca_dev);
return 0;
}
struct sd *sd = (struct sd *)gspca_dev;
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
gspca_dev->vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 4);
sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x20);
sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_HUE, 1, 0x7f, 1, 0x40);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 0x3f, 1, 0x20);
sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
*val = sd->gain;
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
v4l2_ctrl_cluster(2, &sd->contrast);
return 0;
}
/* control tables */
static const struct ctrl sd_ctrls_12a[] = {
{
{
.id = V4L2_CID_HUE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Hue",
.minimum = HUE_MIN,
.maximum = HUE_MAX,
.step = 1,
.default_value = HUE_DEF,
},
.set = sd_setwhite,
.get = sd_getwhite,
},
{
{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Exposure",
.minimum = EXPOSURE_MIN,
.maximum = EXPOSURE_MAX,
.step = 1,
.default_value = EXPOSURE_DEF,
},
.set = sd_setexposure,
.get = sd_getexposure,
},
{
{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Gain",
.minimum = GAIN_MIN,
.maximum = GAIN_MAX,
.step = 1,
.default_value = GAIN_DEF,
},
.set = sd_setgain,
.get = sd_getgain,
},
};
static const struct ctrl sd_ctrls_72a[] = {
{
{
.id = V4L2_CID_HUE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Hue",
.minimum = HUE_MIN,
.maximum = HUE_MAX,
.step = 1,
.default_value = HUE_DEF,
},
.set = sd_setwhite,
.get = sd_getwhite,
},
{
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = BRIGHTNESS_MIN,
.maximum = BRIGHTNESS_MAX,
.step = 1,
.default_value = BRIGHTNESS_DEF,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
},
{
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = CONTRAST_MIN,
.maximum = CONTRAST_MAX,
.step = 1,
.default_value = CONTRAST_DEF,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
},
{
{
.id = V4L2_CID_AUTOGAIN,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Auto Gain",
.minimum = AUTOGAIN_MIN,
.maximum = AUTOGAIN_MAX,
.step = 1,
.default_value = AUTOGAIN_DEF,
},
.set = sd_setautogain,
.get = sd_getautogain,
},
};
/* sub-driver description */
static const struct sd_desc sd_desc_12a = {
.name = MODULE_NAME,
.ctrls = sd_ctrls_12a,
.nctrls = ARRAY_SIZE(sd_ctrls_12a),
.init_controls = sd_init_controls_12a,
.config = sd_config,
.init = sd_init_12a,
.start = sd_start_12a,
......@@ -1045,8 +866,7 @@ static const struct sd_desc sd_desc_12a = {
};
static const struct sd_desc sd_desc_72a = {
.name = MODULE_NAME,
.ctrls = sd_ctrls_72a,
.nctrls = ARRAY_SIZE(sd_ctrls_72a),
.init_controls = sd_init_controls_72a,
.config = sd_config,
.init = sd_init_72a,
.start = sd_start_72a,
......
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