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Commit f3920f0f authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] ov534_9: 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 cf9211e8
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Showing with 94 additions and 198 deletions
drivers/media/video/gspca/ov534_9.c
View file @ f3920f0f
......@@ -47,22 +47,9 @@ MODULE_AUTHOR("Jean-Francois Moine <moinejf@free.fr>");
MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver");
MODULE_LICENSE("GPL");
/* controls */
enum e_ctrl {
BRIGHTNESS,
CONTRAST,
AUTOGAIN,
EXPOSURE,
SHARPNESS,
SATUR,
LIGHTFREQ,
NCTRLS /* number of controls */
};
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
struct gspca_ctrl ctrls[NCTRLS];
__u32 last_pts;
u8 last_fid;
......@@ -75,103 +62,6 @@ enum sensors {
NSENSORS
};
/* V4L2 controls supported by the driver */
static void setbrightness(struct gspca_dev *gspca_dev);
static void setcontrast(struct gspca_dev *gspca_dev);
static void setautogain(struct gspca_dev *gspca_dev);
static void setexposure(struct gspca_dev *gspca_dev);
static void setsharpness(struct gspca_dev *gspca_dev);
static void setsatur(struct gspca_dev *gspca_dev);
static void setlightfreq(struct gspca_dev *gspca_dev);
static const struct ctrl sd_ctrls[NCTRLS] = {
[BRIGHTNESS] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 0,
.maximum = 15,
.step = 1,
.default_value = 7
},
.set_control = setbrightness
},
[CONTRAST] = {
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 15,
.step = 1,
.default_value = 3
},
.set_control = setcontrast
},
[AUTOGAIN] = {
{
.id = V4L2_CID_AUTOGAIN,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Autogain",
.minimum = 0,
.maximum = 1,
.step = 1,
#define AUTOGAIN_DEF 1
.default_value = AUTOGAIN_DEF,
},
.set_control = setautogain
},
[EXPOSURE] = {
{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Exposure",
.minimum = 0,
.maximum = 3,
.step = 1,
.default_value = 0
},
.set_control = setexposure
},
[SHARPNESS] = {
{
.id = V4L2_CID_SHARPNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Sharpness",
.minimum = -1, /* -1 = auto */
.maximum = 4,
.step = 1,
.default_value = -1
},
.set_control = setsharpness
},
[SATUR] = {
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Saturation",
.minimum = 0,
.maximum = 4,
.step = 1,
.default_value = 2
},
.set_control = setsatur
},
[LIGHTFREQ] = {
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.type = V4L2_CTRL_TYPE_MENU,
.name = "Light frequency filter",
.minimum = 0,
.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
.step = 1,
.default_value = 0
},
.set_control = setlightfreq
},
};
static const struct v4l2_pix_format ov965x_mode[] = {
#define QVGA_MODE 0
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
......@@ -1104,16 +994,14 @@ static void set_led(struct gspca_dev *gspca_dev, int status)
}
}
static void setbrightness(struct gspca_dev *gspca_dev)
static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
s8 sval;
if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS))
return;
if (sd->sensor == SENSOR_OV562x) {
sval = sd->ctrls[BRIGHTNESS].val;
sval = brightness;
val = 0x76;
val += sval;
sccb_write(gspca_dev, 0x24, val);
......@@ -1128,7 +1016,7 @@ static void setbrightness(struct gspca_dev *gspca_dev)
val = 0xe6;
sccb_write(gspca_dev, 0x26, val);
} else {
val = sd->ctrls[BRIGHTNESS].val;
val = brightness;
if (val < 8)
val = 15 - val; /* f .. 8 */
else
......@@ -1138,43 +1026,32 @@ static void setbrightness(struct gspca_dev *gspca_dev)
}
}
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;
if (gspca_dev->ctrl_dis & (1 << CONTRAST))
return;
sccb_write(gspca_dev, 0x56, /* cnst1 - contrast 1 ctrl coeff */
sd->ctrls[CONTRAST].val << 4);
val << 4);
}
static void setautogain(struct gspca_dev *gspca_dev)
static void setautogain(struct gspca_dev *gspca_dev, s32 autogain)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
if (gspca_dev->ctrl_dis & (1 << AUTOGAIN))
return;
/*fixme: should adjust agc/awb/aec by different controls */
val = sccb_read(gspca_dev, 0x13); /* com8 */
sccb_write(gspca_dev, 0xff, 0x00);
if (sd->ctrls[AUTOGAIN].val)
if (autogain)
val |= 0x05; /* agc & aec */
else
val &= 0xfa;
sccb_write(gspca_dev, 0x13, val);
}
static void setexposure(struct gspca_dev *gspca_dev)
static void setexposure(struct gspca_dev *gspca_dev, s32 exposure)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
u8 val;
if (gspca_dev->ctrl_dis & (1 << EXPOSURE))
return;
sccb_write(gspca_dev, 0x10, /* aec[9:2] */
expo[sd->ctrls[EXPOSURE].val]);
sccb_write(gspca_dev, 0x10, expo[exposure]); /* aec[9:2] */
val = sccb_read(gspca_dev, 0x13); /* com8 */
sccb_write(gspca_dev, 0xff, 0x00);
......@@ -1185,14 +1062,8 @@ static void setexposure(struct gspca_dev *gspca_dev)
sccb_write(gspca_dev, 0xa1, val & 0xe0); /* aec[15:10] = 0 */
}
static void setsharpness(struct gspca_dev *gspca_dev)
static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
s8 val;
if (gspca_dev->ctrl_dis & (1 << SHARPNESS))
return;
val = sd->ctrls[SHARPNESS].val;
if (val < 0) { /* auto */
val = sccb_read(gspca_dev, 0x42); /* com17 */
sccb_write(gspca_dev, 0xff, 0x00);
......@@ -1209,9 +1080,8 @@ static void setsharpness(struct gspca_dev *gspca_dev)
sccb_write(gspca_dev, 0x42, val & 0xbf);
}
static void setsatur(struct gspca_dev *gspca_dev)
static void setsatur(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val1, val2, val3;
static const u8 matrix[5][2] = {
{0x14, 0x38},
......@@ -1221,10 +1091,8 @@ static void setsatur(struct gspca_dev *gspca_dev)
{0x48, 0x90}
};
if (gspca_dev->ctrl_dis & (1 << SATUR))
return;
val1 = matrix[sd->ctrls[SATUR].val][0];
val2 = matrix[sd->ctrls[SATUR].val][1];
val1 = matrix[val][0];
val2 = matrix[val][1];
val3 = val1 + val2;
sccb_write(gspca_dev, 0x4f, val3); /* matrix coeff */
sccb_write(gspca_dev, 0x50, val3);
......@@ -1239,16 +1107,13 @@ static void setsatur(struct gspca_dev *gspca_dev)
sccb_write(gspca_dev, 0x41, val1);
}
static void setlightfreq(struct gspca_dev *gspca_dev)
static void setlightfreq(struct gspca_dev *gspca_dev, s32 freq)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
if (gspca_dev->ctrl_dis & (1 << LIGHTFREQ))
return;
val = sccb_read(gspca_dev, 0x13); /* com8 */
sccb_write(gspca_dev, 0xff, 0x00);
if (sd->ctrls[LIGHTFREQ].val == 0) {
if (freq == 0) {
sccb_write(gspca_dev, 0x13, val & 0xdf);
return;
}
......@@ -1256,7 +1121,7 @@ static void setlightfreq(struct gspca_dev *gspca_dev)
val = sccb_read(gspca_dev, 0x42); /* com17 */
sccb_write(gspca_dev, 0xff, 0x00);
if (sd->ctrls[LIGHTFREQ].val == 1)
if (freq == 1)
val |= 0x01;
else
val &= 0xfe;
......@@ -1267,13 +1132,6 @@ static void setlightfreq(struct gspca_dev *gspca_dev)
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
struct sd *sd = (struct sd *) gspca_dev;
gspca_dev->cam.ctrls = sd->ctrls;
#if AUTOGAIN_DEF != 0
gspca_dev->ctrl_inac |= (1 << EXPOSURE);
#endif
return 0;
}
......@@ -1330,9 +1188,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
gspca_dev->cam.cam_mode = ov971x_mode;
gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode);
/* no control yet */
gspca_dev->ctrl_dis = (1 << NCTRLS) - 1;
gspca_dev->cam.bulk = 1;
gspca_dev->cam.bulk_size = 16384;
gspca_dev->cam.bulk_nurbs = 2;
......@@ -1358,16 +1213,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0x56, 0x17);
} else if ((sensor_id & 0xfff0) == 0x5620) {
sd->sensor = SENSOR_OV562x;
gspca_dev->ctrl_dis = (1 << CONTRAST) |
(1 << AUTOGAIN) |
(1 << EXPOSURE) |
(1 << SHARPNESS) |
(1 << SATUR) |
(1 << LIGHTFREQ);
sd->ctrls[BRIGHTNESS].min = -90;
sd->ctrls[BRIGHTNESS].max = 90;
sd->ctrls[BRIGHTNESS].def = 0;
gspca_dev->cam.cam_mode = ov562x_mode;
gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode);
......@@ -1391,7 +1236,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
if (sd->sensor == SENSOR_OV971x)
return gspca_dev->usb_err;
else if (sd->sensor == SENSOR_OV562x) {
setbrightness(gspca_dev);
v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler);
return gspca_dev->usb_err;
}
switch (gspca_dev->curr_mode) {
......@@ -1437,13 +1282,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
ARRAY_SIZE(ov965x_start_2_sxga));
break;
}
setlightfreq(gspca_dev);
setautogain(gspca_dev);
setbrightness(gspca_dev);
setcontrast(gspca_dev);
setexposure(gspca_dev);
setsharpness(gspca_dev);
setsatur(gspca_dev);
v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler);
reg_w(gspca_dev, 0xe0, 0x00);
reg_w(gspca_dev, 0xe0, 0x00);
......@@ -1541,38 +1381,94 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
} while (remaining_len > 0);
}
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu)
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
switch (menu->id) {
struct gspca_dev *gspca_dev =
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
gspca_dev->usb_err = 0;
if (!gspca_dev->streaming)
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:
setsatur(gspca_dev, ctrl->val);
break;
case V4L2_CID_POWER_LINE_FREQUENCY:
switch (menu->index) {
case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
strcpy((char *) menu->name, "NoFliker");
return 0;
case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
strcpy((char *) menu->name, "50 Hz");
return 0;
case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
strcpy((char *) menu->name, "60 Hz");
return 0;
}
setlightfreq(gspca_dev, ctrl->val);
break;
case V4L2_CID_SHARPNESS:
setsharpness(gspca_dev, ctrl->val);
break;
case V4L2_CID_AUTOGAIN:
if (ctrl->is_new)
setautogain(gspca_dev, ctrl->val);
if (!ctrl->val && gspca_dev->exposure->is_new)
setexposure(gspca_dev, gspca_dev->exposure->val);
break;
}
return -EINVAL;
return gspca_dev->usb_err;
}
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
.s_ctrl = sd_s_ctrl,
};
static int sd_init_controls(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *)gspca_dev;
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
if (sd->sensor == SENSOR_OV971x)
return 0;
gspca_dev->vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 7);
if (sd->sensor == SENSOR_OV562x) {
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, -90, 90, 1, 0);
} else {
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 15, 1, 7);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 15, 1, 3);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SATURATION, 0, 4, 1, 2);
/* -1 = auto */
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SHARPNESS, -1, 4, 1, -1);
gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_EXPOSURE, 0, 3, 1, 0);
v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
V4L2_CID_POWER_LINE_FREQUENCY,
V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
}
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 = NCTRLS,
.config = sd_config,
.init = sd_init,
.init_controls = sd_init_controls,
.start = sd_start,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
.querymenu = sd_querymenu,
};
/* -- module initialisation -- */
......
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