From 293f256396aa8674cb3f1794f724fcb3aacdee24 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Sat, 7 Nov 2020 22:50:05 +0800 Subject: [PATCH] drm/amdgpu: add amdgpu_smuio structure Add amdgpu_smuio structure in amdgpu_device to provide various callback functions to support smuio ip funcitonality Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Reviewed-by: John Clements Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 +++ drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h | 37 +++++++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 593975308005..0c469dec3d60 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -106,6 +106,7 @@ #include "amdgpu_mmhub.h" #include "amdgpu_gfxhub.h" #include "amdgpu_df.h" +#include "amdgpu_smuio.h" #define MAX_GPU_INSTANCE 16 @@ -920,6 +921,9 @@ struct amdgpu_device { /* nbio */ struct amdgpu_nbio nbio; + /* smuio */ + struct amdgpu_smuio smuio; + /* mmhub */ struct amdgpu_mmhub mmhub; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h new file mode 100644 index 000000000000..03009157aec8 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h @@ -0,0 +1,37 @@ +/* + * Copyright 2020 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef __AMDGPU_SMUIO_H__ +#define __AMDGPU_SMUIO_H__ + +struct amdgpu_smuio_funcs { + u32 (*get_rom_index_offset)(struct amdgpu_device *adev); + u32 (*get_rom_data_offset)(struct amdgpu_device *adev); + void (*update_rom_clock_gating)(struct amdgpu_device *adev, bool enable); + void (*get_clock_gating_state)(struct amdgpu_device *adev, u32 *flags); +}; + +struct amdgpu_smuio { + const struct amdgpu_smuio_funcs *funcs; +}; + +#endif /* __AMDGPU_SMUIO_H__ */ -- 2.20.1