[media] v4l: vsp1: Report device model and rev through media device information

Instead of hardcoding the media device model and hardware revision to
"VSP1" and 0 respectively, report the actual hardware device model and
IP version number.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/vsp1/vsp1.h

@@ -53,6 +53,7 @@ struct vsp1_uds;
 
 struct vsp1_device_info {
 	u32 version;
+	const char *model;
 	unsigned int gen;
 	unsigned int features;
 	unsigned int rpf_count;
@@ -65,6 +66,7 @@ struct vsp1_device_info {
 struct vsp1_device {
 	struct device *dev;
 	const struct vsp1_device_info *info;
+	u32 version;
 
 	void __iomem *mmio;
 	struct rcar_fcp_device *fcp;

drivers/media/platform/vsp1/vsp1_drv.c

@@ -220,7 +220,8 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
 	int ret;
 
 	mdev->dev = vsp1->dev;
-	strlcpy(mdev->model, "VSP1", sizeof(mdev->model));
+	mdev->hw_revision = vsp1->version;
+	strlcpy(mdev->model, vsp1->info->model, sizeof(mdev->model));
 	snprintf(mdev->bus_info, sizeof(mdev->bus_info), "platform:%s",
 		 dev_name(mdev->dev));
 	media_device_init(mdev);
@@ -559,6 +560,7 @@ static const struct dev_pm_ops vsp1_pm_ops = {
 static const struct vsp1_device_info vsp1_device_infos[] = {
 	{
 		.version = VI6_IP_VERSION_MODEL_VSPS_H2,
+		.model = "VSP1-S",
 		.gen = 2,
 		.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
 			  | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
@@ -569,6 +571,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPR_H2,
+		.model = "VSP1-R",
 		.gen = 2,
 		.features = VSP1_HAS_BRU | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
 		.rpf_count = 5,
@@ -578,6 +581,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPD_GEN2,
+		.model = "VSP1-D",
 		.gen = 2,
 		.features = VSP1_HAS_BRU | VSP1_HAS_LIF | VSP1_HAS_LUT,
 		.rpf_count = 4,
@@ -587,6 +591,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPS_M2,
+		.model = "VSP1-S",
 		.gen = 2,
 		.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
 			  | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
@@ -597,6 +602,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPI_GEN3,
+		.model = "VSP2-I",
 		.gen = 3,
 		.features = VSP1_HAS_CLU | VSP1_HAS_LUT | VSP1_HAS_SRU
 			  | VSP1_HAS_WPF_HFLIP | VSP1_HAS_WPF_VFLIP,
@@ -606,6 +612,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPBD_GEN3,
+		.model = "VSP2-BD",
 		.gen = 3,
 		.features = VSP1_HAS_BRU | VSP1_HAS_WPF_VFLIP,
 		.rpf_count = 5,
@@ -614,6 +621,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPBC_GEN3,
+		.model = "VSP2-BC",
 		.gen = 3,
 		.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
 			  | VSP1_HAS_WPF_VFLIP,
@@ -623,6 +631,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
 		.uapi = true,
 	}, {
 		.version = VI6_IP_VERSION_MODEL_VSPD_GEN3,
+		.model = "VSP2-D",
 		.gen = 3,
 		.features = VSP1_HAS_BRU | VSP1_HAS_LIF | VSP1_HAS_WPF_VFLIP,
 		.rpf_count = 5,
@@ -638,7 +647,6 @@ static int vsp1_probe(struct platform_device *pdev)
 	struct resource *irq;
 	struct resource *io;
 	unsigned int i;
-	u32 version;
 	int ret;
 
 	vsp1 = devm_kzalloc(&pdev->dev, sizeof(*vsp1), GFP_KERNEL);
@@ -689,11 +697,11 @@ static int vsp1_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto done;
 
-	version = vsp1_read(vsp1, VI6_IP_VERSION);
+	vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION);
 	pm_runtime_put_sync(&pdev->dev);
 
 	for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) {
-		if ((version & VI6_IP_VERSION_MODEL_MASK) ==
+		if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) ==
 		    vsp1_device_infos[i].version) {
 			vsp1->info = &vsp1_device_infos[i];
 			break;
@@ -701,12 +709,13 @@ static int vsp1_probe(struct platform_device *pdev)
 	}
 
 	if (!vsp1->info) {
-		dev_err(&pdev->dev, "unsupported IP version 0x%08x\n", version);
+		dev_err(&pdev->dev, "unsupported IP version 0x%08x\n",
+			vsp1->version);
 		ret = -ENXIO;
 		goto done;
 	}
 
-	dev_dbg(&pdev->dev, "IP version 0x%08x\n", version);
+	dev_dbg(&pdev->dev, "IP version 0x%08x\n", vsp1->version);
 
 	/* Instanciate entities */
 	ret = vsp1_create_entities(vsp1);