[PATCH 03/11] media: iris: Add context bank hooks for platform specific initialization

[Vishnu Reddy]

Add init and deinit hooks in the platform data for context bank setup.
These hooks allow platform specific code to initialize and tear down
context banks.

The Glymur platform requires a dedicated firmware context bank device
which is mapped to the firmware stream ID to load the firmware.

Signed-off-by: Vishnu Reddy <busanna.reddy@xxxxxxxxxxxxxxxx>
---
 .../platform/qcom/iris/iris_platform_common.h      |  2 ++
 drivers/media/platform/qcom/iris/iris_probe.c      | 23 +++++++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 5a489917580e..55ff6137d9a9 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -219,6 +219,8 @@ struct iris_platform_data {
 	u32 (*get_vpu_buffer_size)(struct iris_inst *inst, enum iris_buffer_type buffer_type);
 	const struct vpu_ops *vpu_ops;
 	void (*set_preset_registers)(struct iris_core *core);
+	int (*init_cb_devs)(struct iris_core *core);
+	void (*deinit_cb_devs)(struct iris_core *core);
 	const struct icc_info *icc_tbl;
 	unsigned int icc_tbl_size;
 	const struct bw_info *bw_tbl_dec;
diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c
index ddaacda523ec..34751912f871 100644
--- a/drivers/media/platform/qcom/iris/iris_probe.c
+++ b/drivers/media/platform/qcom/iris/iris_probe.c
@@ -142,6 +142,20 @@ static int iris_init_resources(struct iris_core *core)
 	return iris_init_resets(core);
 }
 
+static int iris_init_cb_devs(struct iris_core *core)
+{
+	if (core->iris_platform_data->init_cb_devs)
+		return core->iris_platform_data->init_cb_devs(core);
+
+	return 0;
+}
+
+static void iris_deinit_cb_devs(struct iris_core *core)
+{
+	if (core->iris_platform_data->deinit_cb_devs)
+		core->iris_platform_data->deinit_cb_devs(core);
+}
+
 static int iris_register_video_device(struct iris_core *core, enum domain_type type)
 {
 	struct video_device *vdev;
@@ -193,6 +207,7 @@ static void iris_remove(struct platform_device *pdev)
 		return;
 
 	iris_core_deinit(core);
+	iris_deinit_cb_devs(core);
 
 	video_unregister_device(core->vdev_dec);
 	video_unregister_device(core->vdev_enc);
@@ -259,11 +274,15 @@ static int iris_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	ret = iris_init_cb_devs(core);
+	if (ret)
+		return ret;
+
 	iris_session_init_caps(core);
 
 	ret = v4l2_device_register(dev, &core->v4l2_dev);
 	if (ret)
-		return ret;
+		goto err_deinit_cb;
 
 	ret = iris_register_video_device(core, DECODER);
 	if (ret)
@@ -298,6 +317,8 @@ static int iris_probe(struct platform_device *pdev)
 	video_unregister_device(core->vdev_dec);
 err_v4l2_unreg:
 	v4l2_device_unregister(&core->v4l2_dev);
+err_deinit_cb:
+	iris_deinit_cb_devs(core);
 
 	return ret;
 }

-- 
2.34.1