linux/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.h
Chunming Zhou 954d5d437f 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>
2017-05-24 17:41:16 -04:00

50 lines
2.3 KiB
C

/*
* 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