media: iris: Add support for video encoder device

Add support for registering a V4L2 encoder video device to the iris
driver. The encoder device is registered with the name
"qcom-iris-encoder".

Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

2 files changed, 30 insertions, 7 deletions

diff --git a/drivers/media/platform/qcom/iris/iris_core.h b/drivers/media/platform/qcom/iris/iris_core.h
index aeeac32a1f6d..09e83be4e00e 100644
--- a/drivers/media/platform/qcom/iris/iris_core.h
+++ b/drivers/media/platform/qcom/iris/iris_core.h
@@ -25,6 +25,11 @@ struct icc_info {
 #define IRIS_FW_VERSION_LENGTH		128
 #define IFACEQ_CORE_PKT_SIZE		(1024 * 4)
 
+enum domain_type {
+	ENCODER	= BIT(0),
+	DECODER	= BIT(1),
+};
+
 /**
  * struct iris_core - holds core parameters valid for all instances
  *
@@ -33,6 +38,7 @@ struct icc_info {
  * @irq: iris irq
  * @v4l2_dev: a holder for v4l2 device structure
  * @vdev_dec: iris video device structure for decoder
+ * @vdev_enc: iris video device structure for encoder
  * @iris_v4l2_file_ops: iris v4l2 file ops
  * @iris_v4l2_ioctl_ops: iris v4l2 ioctl ops
  * @iris_vb2_ops: iris vb2 ops
@@ -73,6 +79,7 @@ struct iris_core {
 	int					irq;
 	struct v4l2_device			v4l2_dev;
 	struct video_device			*vdev_dec;
+	struct video_device			*vdev_enc;
 	const struct v4l2_file_operations	*iris_v4l2_file_ops;
 	const struct v4l2_ioctl_ops		*iris_v4l2_ioctl_ops;
 	const struct vb2_ops			*iris_vb2_ops;
diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c
index 5fb936a04155..fda65514b30b 100644
--- a/drivers/media/platform/qcom/iris/iris_probe.c
+++ b/drivers/media/platform/qcom/iris/iris_probe.c
@@ -146,7 +146,7 @@ static int iris_init_resources(struct iris_core *core)
 	return iris_init_resets(core);
 }
 
-static int iris_register_video_device(struct iris_core *core)
+static int iris_register_video_device(struct iris_core *core, enum domain_type type)
 {
 	struct video_device *vdev;
 	int ret;
@@ -155,7 +155,6 @@ static int iris_register_video_device(struct iris_core *core)
 	if (!vdev)
 		return -ENOMEM;
 
-	strscpy(vdev->name, "qcom-iris-decoder", sizeof(vdev->name));
 	vdev->release = video_device_release;
 	vdev->fops = core->iris_v4l2_file_ops;
 	vdev->ioctl_ops = core->iris_v4l2_ioctl_ops;
@@ -163,11 +162,21 @@ static int iris_register_video_device(struct iris_core *core)
 	vdev->v4l2_dev = &core->v4l2_dev;
 	vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
 
+	if (type == DECODER) {
+		strscpy(vdev->name, "qcom-iris-decoder", sizeof(vdev->name));
+		core->vdev_dec = vdev;
+	} else if (type == ENCODER) {
+		strscpy(vdev->name, "qcom-iris-encoder", sizeof(vdev->name));
+		core->vdev_enc = vdev;
+	} else {
+		ret = -EINVAL;
+		goto err_vdev_release;
+	}
+
 	ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
 	if (ret)
 		goto err_vdev_release;
 
-	core->vdev_dec = vdev;
 	video_set_drvdata(vdev, core);
 
 	return 0;
@@ -189,6 +198,7 @@ static void iris_remove(struct platform_device *pdev)
 	iris_core_deinit(core);
 
 	video_unregister_device(core->vdev_dec);
+	video_unregister_device(core->vdev_enc);
 
 	v4l2_device_unregister(&core->v4l2_dev);
 
@@ -258,17 +268,21 @@ static int iris_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ret = iris_register_video_device(core);
+	ret = iris_register_video_device(core, DECODER);
 	if (ret)
 		goto err_v4l2_unreg;
 
+	ret = iris_register_video_device(core, ENCODER);
+	if (ret)
+		goto err_vdev_unreg_dec;
+
 	platform_set_drvdata(pdev, core);
 
 	dma_mask = core->iris_platform_data->dma_mask;
 
 	ret = dma_set_mask_and_coherent(dev, dma_mask);
 	if (ret)
-		goto err_vdev_unreg;
+		goto err_vdev_unreg_enc;
 
 	dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
 	dma_set_seg_boundary(&pdev->dev, DMA_BIT_MASK(32));
@@ -277,11 +291,13 @@ static int iris_probe(struct platform_device *pdev)
 	pm_runtime_use_autosuspend(core->dev);
 	ret = devm_pm_runtime_enable(core->dev);
 	if (ret)
-		goto err_vdev_unreg;
+		goto err_vdev_unreg_enc;
 
 	return 0;
 
-err_vdev_unreg:
+err_vdev_unreg_enc:
+	video_unregister_device(core->vdev_enc);
+err_vdev_unreg_dec:
 	video_unregister_device(core->vdev_dec);
 err_v4l2_unreg:
 	v4l2_device_unregister(&core->v4l2_dev);