Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/media/video/ov772x.c | 43 +++++++++++++++++++++++++++++++++++------
1 files changed, 36 insertions(+), 7 deletions(-)
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c
index 67c385b..07ff709 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -274,6 +274,7 @@
#define SLCT_VGA 0x00 /* 0 : VGA */
#define SLCT_QVGA 0x40 /* 1 : QVGA */
#define ITU656_ON_OFF 0x20 /* ITU656 protocol ON/OFF selection */
+#define SENSOR_RAW 0x10 /* Sensor RAW */
/* RGB output format control */
#define FMT_MASK 0x0c /* Mask of color format */
#define FMT_GBR422 0x00 /* 00 : GBR 4:2:2 */
@@ -337,6 +338,12 @@
#define CBAR_ON 0x20 /* ON */
#define CBAR_OFF 0x00 /* OFF */
+/* DSP_CTRL4 */
+#define DSP_OFMT_YUV 0x00
+#define DSP_OFMT_RGB 0x00
+#define DSP_OFMT_RAW8 0x02
+#define DSP_OFMT_RAW10 0x03
+
/* HSTART */
#define HST_VGA 0x23
#define HST_QVGA 0x3F
@@ -388,6 +395,7 @@ struct ov772x_color_format {
enum v4l2_mbus_pixelcode code;
enum v4l2_colorspace colorspace;
u8 dsp3;
+ u8 dsp4;
u8 com3;
u8 com7;
};
@@ -498,6 +506,7 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_YUYV8_2X8,
.colorspace = V4L2_COLORSPACE_JPEG,
.dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_YUV,
.com7 = OFMT_YUV,
},
@@ -505,6 +514,7 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_YVYU8_2X8,
.colorspace = V4L2_COLORSPACE_JPEG,
.dsp3 = UV_ON,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_YUV,
.com7 = OFMT_YUV,
},
@@ -512,6 +522,7 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_UYVY8_2X8,
.colorspace = V4L2_COLORSPACE_JPEG,
.dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = 0x0,
.com7 = OFMT_YUV,
},
@@ -519,6 +530,7 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_RGB,
.com7 = FMT_RGB555 | OFMT_RGB,
},
@@ -526,6 +538,7 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = 0x0,
.com7 = FMT_RGB555 | OFMT_RGB,
},
@@ -533,6 +546,7 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_RGB565_2X8_LE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_RGB,
.com7 = FMT_RGB565 | OFMT_RGB,
},
@@ -540,9 +554,22 @@ static const struct ov772x_color_format ov772x_cfmts[] = {
.code = V4L2_MBUS_FMT_RGB565_2X8_BE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_YUV,
.com3 = 0x0,
.com7 = FMT_RGB565 | OFMT_RGB,
},
+ {
+ /* Setting DSP4 to DSP_OFMT_RAW8 still gives 10-bit output,
+ * regardless of the COM7 value. We can thus only support 10-bit
+ * Bayer until someone figures it out.
+ */
+ .code = V4L2_MBUS_FMT_SBGGR10_1X10,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .dsp3 = 0x0,
+ .dsp4 = DSP_OFMT_RAW10,
+ .com3 = 0x0,
+ .com7 = SENSOR_RAW | OFMT_BRAW,
+ },
};
#define VGA_WIDTH 640
@@ -684,6 +711,13 @@ static int ov772x_set_params(struct ov772x_priv *priv,
goto ov772x_set_fmt_error;
}
+ /* DSP_CTRL4: AEC reference point and DSP output format. */
+ if (cfmt->dsp4) {
+ ret = ov772x_write(client, DSP_CTRL4, cfmt->dsp4);
+ if (ret < 0)
+ goto ov772x_set_fmt_error;
+ }
+
/*
* set COM3
*/
@@ -702,13 +736,8 @@ static int ov772x_set_params(struct ov772x_priv *priv,
if (ret < 0)
goto ov772x_set_fmt_error;
- /*
- * set COM7
- */
- val = win->com7_bit | cfmt->com7;
- ret = ov772x_mask_set(client,
- COM7, SLCT_MASK | FMT_MASK | OFMT_MASK,
- val);
+ /* COM7: Sensor resolution and output format control. */
+ ret = ov772x_write(client, COM7, win->com7_bit | cfmt->com7);
if (ret < 0)
goto ov772x_set_fmt_error;
--
1.7.8.6
--
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