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path: root/drivers/media/video/gspca/ov519.c
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Diffstat (limited to 'drivers/media/video/gspca/ov519.c')
-rw-r--r--drivers/media/video/gspca/ov519.c212
1 files changed, 192 insertions, 20 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 8ab2c452c25e..36a46fc78734 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -1,7 +1,7 @@
/**
* OV519 driver
*
- * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr)
+ * Copyright (C) 2008-2011 Jean-François Moine <moinejf@free.fr>
* Copyright (C) 2009 Hans de Goede <hdegoede@redhat.com>
*
* This module is adapted from the ov51x-jpeg package, which itself
@@ -61,10 +61,12 @@ static int i2c_detect_tries = 10;
enum e_ctrl {
BRIGHTNESS,
CONTRAST,
+ EXPOSURE,
COLORS,
HFLIP,
VFLIP,
AUTOBRIGHT,
+ AUTOGAIN,
FREQ,
NCTRL /* number of controls */
};
@@ -118,6 +120,7 @@ struct sd {
};
enum sensors {
SEN_OV2610,
+ SEN_OV2610AE,
SEN_OV3610,
SEN_OV6620,
SEN_OV6630,
@@ -141,9 +144,11 @@ enum sensors {
/* V4L2 controls supported by the driver */
static void setbrightness(struct gspca_dev *gspca_dev);
static void setcontrast(struct gspca_dev *gspca_dev);
+static void setexposure(struct gspca_dev *gspca_dev);
static void setcolors(struct gspca_dev *gspca_dev);
static void sethvflip(struct gspca_dev *gspca_dev);
static void setautobright(struct gspca_dev *gspca_dev);
+static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static void setfreq(struct gspca_dev *gspca_dev);
static void setfreq_i(struct sd *sd);
@@ -172,6 +177,18 @@ static const struct ctrl sd_ctrls[] = {
},
.set_control = setcontrast,
},
+[EXPOSURE] = {
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Exposure",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 127,
+ },
+ .set_control = setexposure,
+ },
[COLORS] = {
{
.id = V4L2_CID_SATURATION,
@@ -221,6 +238,19 @@ static const struct ctrl sd_ctrls[] = {
},
.set_control = setautobright,
},
+[AUTOGAIN] = {
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Auto Gain",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1,
+ .flags = V4L2_CTRL_FLAG_UPDATE
+ },
+ .set = sd_setautogain,
+ },
[FREQ] = {
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
@@ -237,48 +267,78 @@ static const struct ctrl sd_ctrls[] = {
/* table of the disabled controls */
static const unsigned ctrl_dis[] = {
-[SEN_OV2610] = (1 << NCTRL) - 1, /* no control */
+[SEN_OV2610] = ((1 << NCTRL) - 1) /* no control */
+ ^ ((1 << EXPOSURE) /* but exposure */
+ | (1 << AUTOGAIN)), /* and autogain */
+
+[SEN_OV2610AE] = ((1 << NCTRL) - 1) /* no control */
+ ^ ((1 << EXPOSURE) /* but exposure */
+ | (1 << AUTOGAIN)), /* and autogain */
[SEN_OV3610] = (1 << NCTRL) - 1, /* no control */
[SEN_OV6620] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV6630] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV66308AF] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV7610] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV7620] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV7620AE] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV7640] = (1 << HFLIP) |
(1 << VFLIP) |
(1 << AUTOBRIGHT) |
- (1 << CONTRAST),
+ (1 << CONTRAST) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV7648] = (1 << HFLIP) |
(1 << VFLIP) |
(1 << AUTOBRIGHT) |
- (1 << CONTRAST),
+ (1 << CONTRAST) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
-[SEN_OV7660] = (1 << AUTOBRIGHT),
+[SEN_OV7660] = (1 << AUTOBRIGHT) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV7670] = (1 << COLORS) |
- (1 << AUTOBRIGHT),
+ (1 << AUTOBRIGHT) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV76BE] = (1 << HFLIP) |
- (1 << VFLIP),
+ (1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN),
[SEN_OV8610] = (1 << HFLIP) |
(1 << VFLIP) |
+ (1 << EXPOSURE) |
+ (1 << AUTOGAIN) |
(1 << FREQ),
};
@@ -321,7 +381,7 @@ static const struct v4l2_pix_format ov519_sif_mode[] = {
larger then necessary, however they need to be this big as the ov511 /
ov518 always fills the entire isoc frame, using 0 padding bytes when
it doesn't have any data. So with low framerates the amount of data
- transfered can become quite large (libv4l will remove all the 0 padding
+ transferred can become quite large (libv4l will remove all the 0 padding
in userspace). */
static const struct v4l2_pix_format ov518_vga_mode[] = {
{320, 240, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
@@ -428,6 +488,11 @@ static const struct v4l2_pix_format ovfx2_cif_mode[] = {
.priv = 0},
};
static const struct v4l2_pix_format ovfx2_ov2610_mode[] = {
+ {800, 600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 800,
+ .sizeimage = 800 * 600,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
{1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 1600,
.sizeimage = 1600 * 1200,
@@ -544,6 +609,7 @@ static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
* buffers, there are some pretty strict real time constraints for
* isochronous transfer for larger frame sizes).
*/
+/*jfm: this value works well for 1600x1200, but not 800x600 - see isoc_init */
#define OVFX2_BULK_SIZE (13 * 4096)
/* I2C registers */
@@ -656,6 +722,24 @@ static const struct ov_i2c_regvals norm_2610[] = {
{ 0x12, 0x80 }, /* reset */
};
+static const struct ov_i2c_regvals norm_2610ae[] = {
+ {0x12, 0x80}, /* reset */
+ {0x13, 0xcd},
+ {0x09, 0x01},
+ {0x0d, 0x00},
+ {0x11, 0x80},
+ {0x12, 0x20}, /* 1600x1200 */
+ {0x33, 0x0c},
+ {0x35, 0x90},
+ {0x36, 0x37},
+/* ms-win traces */
+ {0x11, 0x83}, /* clock / 3 ? */
+ {0x2d, 0x00}, /* 60 Hz filter */
+ {0x24, 0xb0}, /* normal colors */
+ {0x25, 0x90},
+ {0x10, 0x43},
+};
+
static const struct ov_i2c_regvals norm_3620b[] = {
/*
* From the datasheet: "Note that after writing to register COMH
@@ -2621,6 +2705,9 @@ static void ov_hires_configure(struct sd *sd)
if (high == 0x96 && low == 0x40) {
PDEBUG(D_PROBE, "Sensor is an OV2610");
sd->sensor = SEN_OV2610;
+ } else if (high == 0x96 && low == 0x41) {
+ PDEBUG(D_PROBE, "Sensor is an OV2610AE");
+ sd->sensor = SEN_OV2610AE;
} else if (high == 0x36 && (low & 0x0f) == 0x00) {
PDEBUG(D_PROBE, "Sensor is an OV3610");
sd->sensor = SEN_OV3610;
@@ -3171,6 +3258,13 @@ static void ov519_set_fr(struct sd *sd)
ov518_i2c_w(sd, OV7670_R11_CLKRC, clock);
}
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ i2c_w_mask(sd, 0x13, sd->ctrls[AUTOGAIN].val ? 0x05 : 0x00, 0x05);
+}
+
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
@@ -3295,15 +3389,22 @@ static int sd_init(struct gspca_dev *gspca_dev)
}
break;
case BRIDGE_OVFX2:
- if (sd->sensor == SEN_OV2610) {
+ switch (sd->sensor) {
+ case SEN_OV2610:
+ case SEN_OV2610AE:
cam->cam_mode = ovfx2_ov2610_mode;
cam->nmodes = ARRAY_SIZE(ovfx2_ov2610_mode);
- } else if (sd->sensor == SEN_OV3610) {
+ break;
+ case SEN_OV3610:
cam->cam_mode = ovfx2_ov3610_mode;
cam->nmodes = ARRAY_SIZE(ovfx2_ov3610_mode);
- } else if (sd->sif) {
- cam->cam_mode = ov519_sif_mode;
- cam->nmodes = ARRAY_SIZE(ov519_sif_mode);
+ break;
+ default:
+ if (sd->sif) {
+ cam->cam_mode = ov519_sif_mode;
+ cam->nmodes = ARRAY_SIZE(ov519_sif_mode);
+ }
+ break;
}
break;
case BRIDGE_W9968CF:
@@ -3325,6 +3426,12 @@ static int sd_init(struct gspca_dev *gspca_dev)
/* Enable autogain, autoexpo, awb, bandfilter */
i2c_w_mask(sd, 0x13, 0x27, 0x27);
break;
+ case SEN_OV2610AE:
+ write_i2c_regvals(sd, norm_2610ae, ARRAY_SIZE(norm_2610ae));
+
+ /* enable autoexpo */
+ i2c_w_mask(sd, 0x13, 0x05, 0x05);
+ break;
case SEN_OV3610:
write_i2c_regvals(sd, norm_3620b, ARRAY_SIZE(norm_3620b));
@@ -3397,6 +3504,22 @@ error:
return -EINVAL;
}
+/* function called at start time before URB creation */
+static int sd_isoc_init(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ switch (sd->bridge) {
+ case BRIDGE_OVFX2:
+ if (gspca_dev->width == 1600)
+ gspca_dev->cam.bulk_size = OVFX2_BULK_SIZE;
+ else
+ gspca_dev->cam.bulk_size = 7 * 4096;
+ break;
+ }
+ return 0;
+}
+
/* Set up the OV511/OV511+ with the given image parameters.
*
* Do not put any sensor-specific code in here (including I2C I/O functions)
@@ -3827,6 +3950,25 @@ static void mode_init_ov_sensor_regs(struct sd *sd)
i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
return;
+ case SEN_OV2610AE: {
+ u8 v;
+
+ /* frame rates:
+ * 10fps / 5 fps for 1600x1200
+ * 40fps / 20fps for 800x600
+ */
+ v = 80;
+ if (qvga) {
+ if (sd->frame_rate < 25)
+ v = 0x81;
+ } else {
+ if (sd->frame_rate < 10)
+ v = 0x81;
+ }
+ i2c_w(sd, 0x11, v);
+ i2c_w(sd, 0x12, qvga ? 0x60 : 0x20);
+ return;
+ }
case SEN_OV3610:
if (qvga) {
xstart = (1040 - gspca_dev->width) / 2 + (0x1f << 4);
@@ -3975,6 +4117,7 @@ static void set_ov_sensor_window(struct sd *sd)
/* mode setup is fully handled in mode_init_ov_sensor_regs for these */
switch (sd->sensor) {
case SEN_OV2610:
+ case SEN_OV2610AE:
case SEN_OV3610:
case SEN_OV7670:
mode_init_ov_sensor_regs(sd);
@@ -4110,12 +4253,16 @@ static int sd_start(struct gspca_dev *gspca_dev)
setcontrast(gspca_dev);
if (!(sd->gspca_dev.ctrl_dis & (1 << BRIGHTNESS)))
setbrightness(gspca_dev);
+ if (!(sd->gspca_dev.ctrl_dis & (1 << EXPOSURE)))
+ setexposure(gspca_dev);
if (!(sd->gspca_dev.ctrl_dis & (1 << COLORS)))
setcolors(gspca_dev);
if (!(sd->gspca_dev.ctrl_dis & ((1 << HFLIP) | (1 << VFLIP))))
sethvflip(gspca_dev);
if (!(sd->gspca_dev.ctrl_dis & (1 << AUTOBRIGHT)))
setautobright(gspca_dev);
+ if (!(sd->gspca_dev.ctrl_dis & (1 << AUTOGAIN)))
+ setautogain(gspca_dev);
if (!(sd->gspca_dev.ctrl_dis & (1 << FREQ)))
setfreq_i(sd);
@@ -4221,7 +4368,7 @@ static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
gspca_dev->last_packet_type = DISCARD_PACKET;
return;
}
- /* Add 11 byte footer to frame, might be usefull */
+ /* Add 11 byte footer to frame, might be useful */
gspca_frame_add(gspca_dev, LAST_PACKET, in, 11);
return;
} else {
@@ -4529,6 +4676,14 @@ static void setcontrast(struct gspca_dev *gspca_dev)
}
}
+static void setexposure(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (!sd->ctrls[AUTOGAIN].val)
+ i2c_w(sd, 0x10, sd->ctrls[EXPOSURE].val);
+}
+
static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -4587,6 +4742,22 @@ static void setautobright(struct gspca_dev *gspca_dev)
i2c_w_mask(sd, 0x2d, sd->ctrls[AUTOBRIGHT].val ? 0x10 : 0x00, 0x10);
}
+static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->ctrls[AUTOGAIN].val = val;
+ if (val) {
+ gspca_dev->ctrl_inac |= (1 << EXPOSURE);
+ } else {
+ gspca_dev->ctrl_inac &= ~(1 << EXPOSURE);
+ sd->ctrls[EXPOSURE].val = i2c_r(sd, 0x10);
+ }
+ if (gspca_dev->streaming)
+ setautogain(gspca_dev);
+ return gspca_dev->usb_err;
+}
+
static void setfreq_i(struct sd *sd)
{
if (sd->sensor == SEN_OV7660
@@ -4731,6 +4902,7 @@ static const struct sd_desc sd_desc = {
.nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config,
.init = sd_init,
+ .isoc_init = sd_isoc_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
generated by cgit (git 2.34.1) at 2024-06-28 19:00:54 +0000