drm/amdgpu: add nbio7 support

NBIO handles misc bus io functions on the chip.  This
helper lib has the apppropriate functions for NBIO 7.0.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h
new file mode 100644
index 000000000000..054ff49427e6
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2016 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 __NBIO_V7_0_H__
+#define __NBIO_V7_0_H__
+
+#include "soc15_common.h"
+
+extern struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg;
+extern struct nbio_pcie_index_data nbio_v7_0_pcie_index_data;
+int nbio_v7_0_init(struct amdgpu_device *adev);
+u32 nbio_v7_0_get_atombios_scratch_regs(struct amdgpu_device *adev,
+                                        uint32_t idx);
+void nbio_v7_0_set_atombios_scratch_regs(struct amdgpu_device *adev,
+                                         uint32_t idx, uint32_t val);
+void nbio_v7_0_mc_access_enable(struct amdgpu_device *adev, bool enable);
+void nbio_v7_0_hdp_flush(struct amdgpu_device *adev);
+u32 nbio_v7_0_get_memsize(struct amdgpu_device *adev);
+void nbio_v7_0_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
+				  bool use_doorbell, int doorbell_index);
+void nbio_v7_0_enable_doorbell_aperture(struct amdgpu_device *adev,
+					bool enable);
+void nbio_v7_0_ih_doorbell_range(struct amdgpu_device *adev,
+				bool use_doorbell, int doorbell_index);
+void nbio_v7_0_ih_control(struct amdgpu_device *adev);
+u32 nbio_v7_0_get_rev_id(struct amdgpu_device *adev);
+void nbio_v7_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+						bool enable);
+#endif