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-rw-r--r--drivers/media/video/gspca/ov519.c91
1 files changed, 55 insertions, 36 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 1f8e2613ecc5..3aebc744368d 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -269,37 +269,43 @@ static const struct v4l2_pix_format ov519_sif_mode[] = {
.priv = 0},
};
+/* Note some of the sizeimage values for the ov511 / ov518 may seem
+ 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
+ in userspace). */
static const struct v4l2_pix_format ov518_vga_mode[] = {
{320, 240, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 320 * 240 * 3 / 8 + 590,
+ .sizeimage = 320 * 240 * 3,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1},
{640, 480, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
.bytesperline = 640,
- .sizeimage = 640 * 480 * 3 / 8 + 590,
+ .sizeimage = 640 * 480 * 2,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 0},
};
static const struct v4l2_pix_format ov518_sif_mode[] = {
{160, 120, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 40000,
+ .sizeimage = 70000,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 3},
{176, 144, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
.bytesperline = 176,
- .sizeimage = 40000,
+ .sizeimage = 70000,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1},
{320, 240, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 320 * 240 * 3 / 8 + 590,
+ .sizeimage = 320 * 240 * 3,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 2},
{352, 288, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
.bytesperline = 352,
- .sizeimage = 352 * 288 * 3 / 8 + 590,
+ .sizeimage = 352 * 288 * 3,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 0},
};
@@ -319,12 +325,12 @@ static const struct v4l2_pix_format ov511_vga_mode[] = {
static const struct v4l2_pix_format ov511_sif_mode[] = {
{160, 120, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 40000,
+ .sizeimage = 70000,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 3},
{176, 144, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
.bytesperline = 176,
- .sizeimage = 40000,
+ .sizeimage = 70000,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1},
{320, 240, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
@@ -698,7 +704,7 @@ static const struct ov_i2c_regvals norm_7620[] = {
{ 0x23, 0x00 },
{ 0x26, 0xa2 },
{ 0x27, 0xea },
- { 0x28, 0x20 },
+ { 0x28, 0x22 }, /* Was 0x20, bit1 enables a 2x gain which we need */
{ 0x29, 0x00 },
{ 0x2a, 0x10 },
{ 0x2b, 0x00 },
@@ -1525,7 +1531,6 @@ static int ov8xx0_configure(struct sd *sd)
}
/* Set sensor-specific vars */
-/* sd->sif = 0; already done */
return 0;
}
@@ -1562,15 +1567,13 @@ static int ov7xx0_configure(struct sd *sd)
}
} else if ((rc & 3) == 1) {
/* I don't know what's different about the 76BE yet. */
- if (i2c_r(sd, 0x15) & 1)
+ if (i2c_r(sd, 0x15) & 1) {
PDEBUG(D_PROBE, "Sensor is an OV7620AE");
- else
+ sd->sensor = SEN_OV7620;
+ } else {
PDEBUG(D_PROBE, "Sensor is an OV76BE");
-
- /* OV511+ will return all zero isoc data unless we
- * configure the sensor as a 7620. Someone needs to
- * find the exact reg. setting that causes this. */
- sd->sensor = SEN_OV76BE;
+ sd->sensor = SEN_OV76BE;
+ }
} else if ((rc & 3) == 0) {
/* try to read product id registers */
high = i2c_r(sd, 0x0a);
@@ -1616,7 +1619,6 @@ static int ov7xx0_configure(struct sd *sd)
}
/* Set sensor-specific vars */
-/* sd->sif = 0; already done */
return 0;
}
@@ -2198,11 +2200,11 @@ static int ov511_mode_init_regs(struct sd *sd)
for more sensors we need to do this for them too */
case SEN_OV7620:
case SEN_OV7640:
+ case SEN_OV76BE:
if (sd->gspca_dev.width == 320)
interlaced = 1;
/* Fall through */
case SEN_OV6630:
- case SEN_OV76BE:
case SEN_OV7610:
case SEN_OV7670:
switch (sd->frame_rate) {
@@ -2268,7 +2270,19 @@ static int ov511_mode_init_regs(struct sd *sd)
*/
static int ov518_mode_init_regs(struct sd *sd)
{
- int hsegs, vsegs;
+ int hsegs, vsegs, packet_size;
+ struct usb_host_interface *alt;
+ struct usb_interface *intf;
+
+ intf = usb_ifnum_to_if(sd->gspca_dev.dev, sd->gspca_dev.iface);
+ alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt);
+ if (!alt) {
+ PDEBUG(D_ERR, "Couldn't get altsetting");
+ return -EIO;
+ }
+
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2);
/******** Set the mode ********/
@@ -2305,20 +2319,30 @@ static int ov518_mode_init_regs(struct sd *sd)
/* Windows driver does this here; who knows why */
reg_w(sd, 0x2f, 0x80);
- /******** Set the framerate (to 30 FPS) ********/
- if (sd->bridge == BRIDGE_OV518PLUS)
- sd->clockdiv = 1;
- else
- sd->clockdiv = 0;
+ /******** Set the framerate ********/
+ sd->clockdiv = 1;
/* Mode independent, but framerate dependent, regs */
- reg_w(sd, 0x51, 0x04); /* Clock divider; lower==faster */
+ /* 0x51: Clock divider; Only works on some cams which use 2 crystals */
+ reg_w(sd, 0x51, 0x04);
reg_w(sd, 0x22, 0x18);
reg_w(sd, 0x23, 0xff);
- if (sd->bridge == BRIDGE_OV518PLUS)
- reg_w(sd, 0x21, 0x19);
- else
+ if (sd->bridge == BRIDGE_OV518PLUS) {
+ switch (sd->sensor) {
+ case SEN_OV7620:
+ if (sd->gspca_dev.width == 320) {
+ reg_w(sd, 0x20, 0x00);
+ reg_w(sd, 0x21, 0x19);
+ } else {
+ reg_w(sd, 0x20, 0x60);
+ reg_w(sd, 0x21, 0x1f);
+ }
+ break;
+ default:
+ reg_w(sd, 0x21, 0x19);
+ }
+ } else
reg_w(sd, 0x71, 0x17); /* Compression-related? */
/* FIXME: Sensor-specific */
@@ -2537,21 +2561,16 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
break;
case SEN_OV7620:
-/* i2c_w(sd, 0x2b, 0x00); */
+ case SEN_OV76BE:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a);
i2c_w(sd, 0x25, qvga ? 0x30 : 0x60);
i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
- i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
+ i2c_w_mask(sd, 0x67, qvga ? 0xb0 : 0x90, 0xf0);
i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
break;
- case SEN_OV76BE:
-/* i2c_w(sd, 0x2b, 0x00); */
- i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
- break;
case SEN_OV7640:
-/* i2c_w(sd, 0x2b, 0x00); */
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
/* i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a); */
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 01:19:28 +0000