drm/amd/powerplay: add new smu ip block

This patch add amdgpu_smu ip block skeleton as placeholder.
We plan use new smu ip block from Vega20.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
new file mode 100644
index 000000000000..5fb685c5be51
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2019 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_SMU_H__
+#define __AMDGPU_SMU_H__
+
+#include "amdgpu.h"
+
+struct smu_context
+{
+	struct amdgpu_device            *adev;
+
+	const struct smu_funcs		*funcs;
+	struct mutex			mutex;
+};
+
+struct smu_funcs
+{
+	int (*init_microcode)(struct smu_context *smu);
+};
+
+#define smu_init_microcode(smu) \
+	((smu)->funcs->init_microcode ? (smu)->funcs->init_microcode((smu)) : 0)
+
+extern const struct amd_ip_funcs smu_ip_funcs;
+
+#endif