More nbio funcitonalities will be added and nbio could
be treated as an ip block like gfx/sdma.etc
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 87 ++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
new file mode 100644
index 0000000..0563476
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
@@ -0,0 +1,87 @@
+/*
+ * 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_NBIO_H__
+#define __AMDGPU_NBIO_H__
+
+/*
+ * amdgpu nbio functions
+ */
+struct nbio_hdp_flush_reg {
+ u32 ref_and_mask_cp0;
+ u32 ref_and_mask_cp1;
+ u32 ref_and_mask_cp2;
+ u32 ref_and_mask_cp3;
+ u32 ref_and_mask_cp4;
+ u32 ref_and_mask_cp5;
+ u32 ref_and_mask_cp6;
+ u32 ref_and_mask_cp7;
+ u32 ref_and_mask_cp8;
+ u32 ref_and_mask_cp9;
+ u32 ref_and_mask_sdma0;
+ u32 ref_and_mask_sdma1;
+ u32 ref_and_mask_sdma2;
+ u32 ref_and_mask_sdma3;
+ u32 ref_and_mask_sdma4;
+ u32 ref_and_mask_sdma5;
+ u32 ref_and_mask_sdma6;
+ u32 ref_and_mask_sdma7;
+};
+
+struct amdgpu_nbio_funcs {
+ const struct nbio_hdp_flush_reg *hdp_flush_reg;
+ u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
+ u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
+ u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
+ u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
+ u32 (*get_rev_id)(struct amdgpu_device *adev);
+ void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
+ void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
+ u32 (*get_memsize)(struct amdgpu_device *adev);
+ void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
+ bool use_doorbell, int doorbell_index, int doorbell_size);
+ void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
+ int doorbell_index, int instance);
+ void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
+ bool enable);
+ void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
+ bool enable);
+ void (*ih_doorbell_range)(struct amdgpu_device *adev,
+ bool use_doorbell, int doorbell_index);
+ void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
+ bool enable);
+ void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
+ bool enable);
+ void (*get_clockgating_state)(struct amdgpu_device *adev,
+ u32 *flags);
+ void (*ih_control)(struct amdgpu_device *adev);
+ void (*init_registers)(struct amdgpu_device *adev);
+ void (*detect_hw_virt)(struct amdgpu_device *adev);
+ void (*remap_hdp_registers)(struct amdgpu_device *adev);
+};
+
+struct amdgpu_nbio {
+ const struct nbio_hdp_flush_reg *hdp_flush_reg;
+ const struct amdgpu_nbio_funcs *funcs;
+};
+
+#endif
--
2.7.4
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