Signed-off-by: Kuninori Morimoto <[email protected]>
---
This patch is 1st step for extra settings
drivers/media/video/ov772x.c | 34 ++++++++++++++++++++++++++++++++++
include/media/ov772x.h | 25 +++++++++++++++++++++++++
2 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c
index 34c9819..a951327 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -358,6 +358,15 @@
#define VOSZ_VGA 0xF0
#define VOSZ_QVGA 0x78
+/* EDGE CTRL
+ * see alse
+ * ov772x.h :: for Edge ctrl
+ */
+#define EDGE0CTRL(param) (((param) >> 24) & 0x1F)
+#define EDGE1CTRL(param) (((param) >> 16) & 0x0F)
+#define EDGE2CTRL(param) (((param) >> 8) & 0xFF)
+#define EDGE3CTRL(param) (((param) >> 0) & 0xFF)
+
/*
* ID
*/
@@ -816,6 +825,31 @@ static int ov772x_set_params(struct ov772x_priv *priv, u32
width, u32 height,
ov772x_reset(priv->client);
/*
+ * set Edge Ctrl if platform has edgectrl
+ */
+ if (priv->info->edgectrl & OV772X_EDGECTRL_ENABLE) {
+ ret = ov772x_mask_set(priv->client,
+ EDGE0, 0x1F, EDGE0CTRL(priv->info->edgectrl));
+ if (ret < 0)
+ goto ov772x_set_fmt_error;
+
+ ret = ov772x_mask_set(priv->client,
+ EDGE1, 0x0F, EDGE1CTRL(priv->info->edgectrl));
+ if (ret < 0)
+ goto ov772x_set_fmt_error;
+
+ ret = ov772x_mask_set(priv->client,
+ EDGE2, 0xFF, EDGE2CTRL(priv->info->edgectrl));
+ if (ret < 0)
+ goto ov772x_set_fmt_error;
+
+ ret = ov772x_mask_set(priv->client,
+ EDGE3, 0xFF, EDGE3CTRL(priv->info->edgectrl));
+ if (ret < 0)
+ goto ov772x_set_fmt_error;
+ }
+
+ /*
* set size format
*/
ret = ov772x_write_array(priv->client, priv->win->regs);
diff --git a/include/media/ov772x.h b/include/media/ov772x.h
index 57db48d..5b083dc 100644
--- a/include/media/ov772x.h
+++ b/include/media/ov772x.h
@@ -17,9 +17,34 @@
#define OV772X_FLAG_VFLIP 0x00000001 /* Vertical flip image */
#define OV772X_FLAG_HFLIP 0x00000002 /* Horizontal flip image */
+/*
+ * for Edge ctrl
+ *
+ * strength : (for EDGE0) Edge enhancement strength control
+ * threshold : (for EDGE1) Edge enhancement threshold control
+ * low : (for EDGE2) Edge enhancement strength Low point control
+ * high : (for EDGE3) Edge enhancement strength High point control
+ *
+ * Meaning of edgectrl bit
+ *
+ * Exx0 0000 xxxx 1111 2222 2222 3333 3333
+ *
+ * E: use edgectrl or not (OV772X_EDGECTRL_ENABLE)
+ * 0: for Edge0 ctrl
+ * 1: for Edge1 ctrl
+ * 2: for Edge2 ctrl
+ * 3: for Edge3 ctrl
+ */
+#define OV772X_EDGECTRL_ENABLE 0x80000000
+#define OV772X_EDGECTRL(strength, threshold, low, high) \
+ (OV772X_EDGECTRL_ENABLE | \
+ (strength & 0x1F) << 24 | (threshold & 0x0F) << 16 | \
+ (low & 0xFF) << 8 | (high & 0xFF) << 0)
+
struct ov772x_camera_info {
unsigned long buswidth;
unsigned long flags;
+ unsigned long edgectrl;
struct soc_camera_link link;
};
--
1.5.6.3
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