[PATCH v3 15/17] media: rzg2l-cru: Refactor ICnDMR register configuration

From: Prabhakar
Date: Tue Oct 01 2024 - 10:13:37 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Refactor the ICnDMR register configuration in
`rzg2l_cru_initialize_image_conv()` by adding a new member `icndmr` in the
`rzg2l_cru_ip_format` structure.

Suggested-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
v2->v3
- Updated subject line and commit message
- Re-used rzg2l_cru_ip_format_to_fmt() to fetch icndmr details
- Collected RB tag

v1->v2
- New patch
---
drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h | 4 ++++
drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c | 1 +
drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c | 10 ++++------
3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
index 39296a59b3da..51206373b7fe 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
@@ -31,6 +31,8 @@
#define RZG2L_CRU_MIN_INPUT_HEIGHT 240
#define RZG2L_CRU_MAX_INPUT_HEIGHT 4095

+#define ICnDMR_YCMODE_UYVY (1 << 4)
+
enum rzg2l_csi2_pads {
RZG2L_CRU_IP_SINK = 0,
RZG2L_CRU_IP_SOURCE,
@@ -68,12 +70,14 @@ struct rzg2l_cru_ip {
* @format: 4CC format identifier (V4L2_PIX_FMT_*)
* @datatype: MIPI CSI2 data type
* @bpp: bytes per pixel
+ * @icndmr: ICnDMR register value
*/
struct rzg2l_cru_ip_format {
u32 code;
u32 format;
u32 datatype;
u8 bpp;
+ u32 icndmr;
};

/**
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
index 6ce077ab42e2..f14ac949cc64 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
@@ -17,6 +17,7 @@ static const struct rzg2l_cru_ip_format rzg2l_cru_ip_formats[] = {
.format = V4L2_PIX_FMT_UYVY,
.datatype = MIPI_CSI2_DT_YUV422_8B,
.bpp = 2,
+ .icndmr = ICnDMR_YCMODE_UYVY,
},
};

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
index c6c82b9b130a..c3d10b001b7c 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
@@ -88,7 +88,6 @@

/* CRU Data Output Mode Register */
#define ICnDMR 0x26c
-#define ICnDMR_YCMODE_UYVY (1 << 4)

#define RZG2L_TIMEOUT_MS 100
#define RZG2L_RETRIES 10
@@ -278,6 +277,7 @@ static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru,
u8 csi_vc)
{
const struct v4l2_format_info *src_finfo, *dst_finfo;
+ const struct rzg2l_cru_ip_format *cru_video_fmt;
const struct rzg2l_cru_ip_format *cru_ip_fmt;
u32 icndmr;

@@ -288,15 +288,13 @@ static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru,
dst_finfo = v4l2_format_info(cru->format.pixelformat);

/* Output format */
- switch (cru->format.pixelformat) {
- case V4L2_PIX_FMT_UYVY:
- icndmr = ICnDMR_YCMODE_UYVY;
- break;
- default:
+ cru_video_fmt = rzg2l_cru_ip_format_to_fmt(cru->format.pixelformat);
+ if (!cru_video_fmt) {
dev_err(cru->dev, "Invalid pixelformat (0x%x)\n",
cru->format.pixelformat);
return -EINVAL;
}
+ icndmr = cru_video_fmt->icndmr;

/* If input and output use same colorspace, do bypass mode */
if (v4l2_is_format_yuv(src_finfo) && v4l2_is_format_yuv(dst_finfo))
--
2.43.0