linux-kernel - [PATCH 01/18] media: rcar-vin: Add RCAR

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Message-Id: <20250219-rcar-streams-v1-1-f1b93e370aab@ideasonboard.com>
Date: Wed, 19 Feb 2025 15:48:55 +0200
From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
To: Niklas Söderlund <niklas.soderlund@...natech.se>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Niklas Söderlund <niklas.soderlund+renesas@...natech.se>, 
 Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Jacopo Mondi <jacopo.mondi@...asonboard.com>, 
 Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: [PATCH 01/18] media: rcar-vin: Add RCAR_GEN4 model value

Currently Gen4 VINs are marked as RCAN_GEN3 models. Add a new enum
value, RCAR_GEN4, and use it for Gen4 VINs. No functional changes in
this patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
---
 drivers/media/platform/renesas/rcar-vin/rcar-core.c | 2 +-
 drivers/media/platform/renesas/rcar-vin/rcar-dma.c  | 8 ++++----
 drivers/media/platform/renesas/rcar-vin/rcar-vin.h  | 1 +
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-core.c b/drivers/media/platform/renesas/rcar-vin/rcar-core.c
index c3cf02b94a2b..68c0acc7fc2c 100644
--- a/drivers/media/platform/renesas/rcar-vin/rcar-core.c
+++ b/drivers/media/platform/renesas/rcar-vin/rcar-core.c
@@ -1089,7 +1089,7 @@ static const struct rvin_info rcar_info_r8a77995 = {
 };
 
 static const struct rvin_info rcar_info_gen4 = {
-	.model = RCAR_GEN3,
+	.model = RCAR_GEN4,
 	.use_mc = true,
 	.use_isp = true,
 	.nv12 = true,
diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
index 976a4e218cd9..f0a77199cead 100644
--- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c
@@ -821,7 +821,7 @@ static int rvin_setup(struct rvin_dev *vin)
 	}
 
 	/* Make sure input interface and input format is valid. */
-	if (vin->info->model == RCAR_GEN3) {
+	if (vin->info->model == RCAR_GEN3 || vin->info->model == RCAR_GEN4) {
 		switch (vnmc & VNMC_INF_MASK) {
 		case VNMC_INF_YUV8_BT656:
 		case VNMC_INF_YUV10_BT656:
@@ -844,7 +844,7 @@ static int rvin_setup(struct rvin_dev *vin)
 	}
 
 	/* Enable VSYNC Field Toggle mode after one VSYNC input */
-	if (vin->info->model == RCAR_GEN3)
+	if (vin->info->model == RCAR_GEN3 || vin->info->model == RCAR_GEN4)
 		dmr2 = VNDMR2_FTEV;
 	else
 		dmr2 = VNDMR2_FTEV | VNDMR2_VLV(1);
@@ -944,7 +944,7 @@ static int rvin_setup(struct rvin_dev *vin)
 		if (input_is_yuv == output_is_yuv)
 			vnmc |= VNMC_BPS;
 
-		if (vin->info->model == RCAR_GEN3) {
+		if (vin->info->model == RCAR_GEN3 || vin->info->model == RCAR_GEN4) {
 			/* Select between CSI-2 and parallel input */
 			if (rvin_remote_is_parallel(vin))
 				vnmc |= VNMC_DPINE;
@@ -1325,7 +1325,7 @@ static int rvin_mc_validate_format(struct rvin_dev *vin, struct v4l2_subdev *sd,
 
 	if (rvin_scaler_needed(vin)) {
 		/* Gen3 can't scale NV12 */
-		if (vin->info->model == RCAR_GEN3 &&
+		if ((vin->info->model == RCAR_GEN3 || vin->info->model == RCAR_GEN4) &&
 		    vin->format.pixelformat == V4L2_PIX_FMT_NV12)
 			return -EPIPE;
 
diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-vin.h b/drivers/media/platform/renesas/rcar-vin/rcar-vin.h
index 62fed93e4438..90534df84ccd 100644
--- a/drivers/media/platform/renesas/rcar-vin/rcar-vin.h
+++ b/drivers/media/platform/renesas/rcar-vin/rcar-vin.h
@@ -39,6 +39,7 @@ enum model_id {
 	RCAR_M1,
 	RCAR_GEN2,
 	RCAR_GEN3,
+	RCAR_GEN4,
 };
 
 enum rvin_csi_id {

-- 
2.43.0