[PATCH v9 20/20] drm/imagination: Add driver documentation
Donald Robson
donald.robson at imgtec.com
Wed Nov 22 16:34:41 UTC 2023
From: Sarah Walker <sarah.walker at imgtec.com>
Add documentation for the UAPI.
Changes since v5:
- Remove obsolete VM documentation
Co-developed-by: Matt Coster <matt.coster at imgtec.com>
Signed-off-by: Matt Coster <matt.coster at imgtec.com>
Co-developed-by: Donald Robson <donald.robson at imgtec.com>
Signed-off-by: Donald Robson <donald.robson at imgtec.com>
Signed-off-by: Sarah Walker <sarah.walker at imgtec.com>
Reviewed-by: Maxime Ripard <mripard at kernel.org>
---
Documentation/gpu/drivers.rst | 2 +
Documentation/gpu/imagination/index.rst | 13 ++
Documentation/gpu/imagination/uapi.rst | 174 ++++++++++++++++++++++++
MAINTAINERS | 1 +
4 files changed, 190 insertions(+)
create mode 100644 Documentation/gpu/imagination/index.rst
create mode 100644 Documentation/gpu/imagination/uapi.rst
diff --git a/Documentation/gpu/drivers.rst b/Documentation/gpu/drivers.rst
index 45a12e552091..cc6535f5f28c 100644
--- a/Documentation/gpu/drivers.rst
+++ b/Documentation/gpu/drivers.rst
@@ -3,9 +3,11 @@ GPU Driver Documentation
========================
.. toctree::
+ :maxdepth: 3
amdgpu/index
i915
+ imagination/index
mcde
meson
pl111
diff --git a/Documentation/gpu/imagination/index.rst b/Documentation/gpu/imagination/index.rst
new file mode 100644
index 000000000000..dc9579e758c3
--- /dev/null
+++ b/Documentation/gpu/imagination/index.rst
@@ -0,0 +1,13 @@
+=======================================
+drm/imagination PowerVR Graphics Driver
+=======================================
+
+.. kernel-doc:: drivers/gpu/drm/imagination/pvr_drv.c
+ :doc: PowerVR Graphics Driver
+
+Contents
+========
+.. toctree::
+ :maxdepth: 2
+
+ uapi
diff --git a/Documentation/gpu/imagination/uapi.rst b/Documentation/gpu/imagination/uapi.rst
new file mode 100644
index 000000000000..2227ea7e6222
--- /dev/null
+++ b/Documentation/gpu/imagination/uapi.rst
@@ -0,0 +1,174 @@
+====
+UAPI
+====
+The sources associated with this section can be found in ``pvr_drm.h``.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR UAPI
+
+OBJECT ARRAYS
+=============
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_obj_array
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: DRM_PVR_OBJ_ARRAY
+
+IOCTLS
+======
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL interface
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: PVR_IOCTL
+
+DEV_QUERY
+---------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL DEV_QUERY interface
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_dev_query
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_dev_query_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_dev_query_gpu_info
+ drm_pvr_dev_query_runtime_info
+ drm_pvr_dev_query_hwrt_info
+ drm_pvr_dev_query_quirks
+ drm_pvr_dev_query_enhancements
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_heap_id
+ drm_pvr_heap
+ drm_pvr_dev_query_heap_info
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for DRM_PVR_DEV_QUERY_HEAP_INFO_GET.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_static_data_area_usage
+ drm_pvr_static_data_area
+ drm_pvr_dev_query_static_data_areas
+
+CREATE_BO
+---------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL CREATE_BO interface
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_create_bo_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for CREATE_BO
+
+GET_BO_MMAP_OFFSET
+------------------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL GET_BO_MMAP_OFFSET interface
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_get_bo_mmap_offset_args
+
+CREATE_VM_CONTEXT and DESTROY_VM_CONTEXT
+----------------------------------------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL CREATE_VM_CONTEXT and DESTROY_VM_CONTEXT interfaces
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_create_vm_context_args
+ drm_pvr_ioctl_destroy_vm_context_args
+
+VM_MAP and VM_UNMAP
+-------------------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL VM_MAP and VM_UNMAP interfaces
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_vm_map_args
+ drm_pvr_ioctl_vm_unmap_args
+
+CREATE_CONTEXT and DESTROY_CONTEXT
+----------------------------------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL CREATE_CONTEXT and DESTROY_CONTEXT interfaces
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_create_context_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ctx_priority
+ drm_pvr_ctx_type
+ drm_pvr_static_render_context_state
+ drm_pvr_static_render_context_state_format
+ drm_pvr_reset_framework
+ drm_pvr_reset_framework_format
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_destroy_context_args
+
+CREATE_FREE_LIST and DESTROY_FREE_LIST
+--------------------------------------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL CREATE_FREE_LIST and DESTROY_FREE_LIST interfaces
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_create_free_list_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_destroy_free_list_args
+
+CREATE_HWRT_DATASET and DESTROY_HWRT_DATASET
+--------------------------------------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL CREATE_HWRT_DATASET and DESTROY_HWRT_DATASET interfaces
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_create_hwrt_dataset_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_create_hwrt_geom_data_args
+ drm_pvr_create_hwrt_rt_data_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_destroy_hwrt_dataset_args
+
+SUBMIT_JOBS
+-----------
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: PowerVR IOCTL SUBMIT_JOBS interface
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for the drm_pvr_sync_op object.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_ioctl_submit_jobs_args
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for SUBMIT_JOB ioctl geometry command.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for SUBMIT_JOB ioctl fragment command.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for SUBMIT_JOB ioctl compute command.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :doc: Flags for SUBMIT_JOB ioctl transfer command.
+
+.. kernel-doc:: include/uapi/drm/pvr_drm.h
+ :identifiers: drm_pvr_sync_op
+ drm_pvr_job_type
+ drm_pvr_hwrt_data_ref
+ drm_pvr_job
+
+Internal notes
+==============
+.. kernel-doc:: drivers/gpu/drm/imagination/pvr_device.h
+ :doc: IOCTL validation helpers
+
+.. kernel-doc:: drivers/gpu/drm/imagination/pvr_device.h
+ :identifiers: PVR_STATIC_ASSERT_64BIT_ALIGNED PVR_IOCTL_UNION_PADDING_CHECK
+ pvr_ioctl_union_padding_check
diff --git a/MAINTAINERS b/MAINTAINERS
index debbc1956b8e..a6d8a15a23dd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10398,6 +10398,7 @@ M: Donald Robson <donald.robson at imgtec.com>
M: Matt Coster <matt.coster at imgtec.com>
S: Supported
F: Documentation/devicetree/bindings/gpu/img,powervr.yaml
+F: Documentation/gpu/imagination/
F: drivers/gpu/drm/imagination/
F: include/uapi/drm/pvr_drm.h
--
2.25.1
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