Add amdgpu_smuio structure in amdgpu_device to
provide various callback functions to support
smuio ip funcitonality
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
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 ba65d4f..696e491 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
@@ -923,6 +924,9 @@ 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 0000000..0300915
--- /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__ */
--
2.7.4
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