From: Koji Matsuoka <koji.matsuoka.xm@xxxxxxxxxxx>
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@xxxxxxxxxxx>
Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@xxxxxxxxx>
---
This patch is against master branch of linuxtv.org/media_tree.git.
v3 [Yoshihiro Kaneko]
* fixes the detection of RGB input
v2 [Yoshihiro Kaneko]
* remove unused definition as suggested by Sergei Shtylyov
* use VNMC_INF_RGB888 directly instead of VNMC_INF_RGB_MASK as a bit-field
mask
drivers/media/platform/soc_camera/rcar_vin.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index 20defcb..18ce4bd 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -74,6 +74,7 @@
#define VNMC_INF_YUV10_BT656 (2 << 16)
#define VNMC_INF_YUV10_BT601 (3 << 16)
#define VNMC_INF_YUV16 (5 << 16)
+#define VNMC_INF_RGB888 (6 << 16)
#define VNMC_VUP (1 << 10)
#define VNMC_IM_ODD (0 << 3)
#define VNMC_IM_ODD_EVEN (1 << 3)
@@ -272,6 +273,10 @@ static int rcar_vin_setup(struct rcar_vin_priv *priv)
/* input interface */
switch (icd->current_fmt->code) {
+ case V4L2_MBUS_FMT_RGB888_1X24:
+ /* BT.601/BT.709 24-bit RGB-888 */
+ vnmc |= VNMC_INF_RGB888;
+ break;
case V4L2_MBUS_FMT_YUYV8_1X16:
/* BT.601/BT.1358 16bit YCbCr422 */
vnmc |= VNMC_INF_YUV16;
@@ -331,6 +336,15 @@ static int rcar_vin_setup(struct rcar_vin_priv *priv)
if (output_is_yuv)
vnmc |= VNMC_BPS;
+ /*
+ * The above assumes YUV input, toggle BPS for RGB input.
+ * RGB inputs can be detected by checking that the most-significant
+ * two bits of INF are set. This corresponds to the bits
+ * set in VNMC_INF_RGB888.
+ */
+ if ((vnmc & VNMC_INF_RGB888)) == VNMC_INF_RGB888)
+ vnmc ^= VNMC_BPS;
+
/* progressive or interlaced mode */
interrupts = progressive ? VNIE_FIE | VNIE_EFE : VNIE_EFE;
@@ -1013,6 +1027,7 @@ static int rcar_vin_get_formats(struct soc_camera_device *icd, unsigned int idx,
case V4L2_MBUS_FMT_YUYV8_1X16:
case V4L2_MBUS_FMT_YUYV8_2X8:
case V4L2_MBUS_FMT_YUYV10_2X10:
+ case V4L2_MBUS_FMT_RGB888_1X24:
if (cam->extra_fmt)
break;
--
1.9.1
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