linux/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c

/*
 * Copyright 2023 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.
 *
 */
#include "amdgpu.h"
#include "amdgpu_atombios.h"
#include "nbif_v6_3_1.h"

#include "nbif/nbif_6_3_1_offset.h"
#include "nbif/nbif_6_3_1_sh_mask.h"
#include "pcie/pcie_6_1_0_offset.h"
#include "pcie/pcie_6_1_0_sh_mask.h"
#include <uapi/linux/kfd_ioctl.h>

static void nbif_v6_3_1_remap_hdp_registers(struct amdgpu_device *adev)
{ … }

static u32 nbif_v6_3_1_get_rev_id(struct amdgpu_device *adev)
{ … }

static void nbif_v6_3_1_mc_access_enable(struct amdgpu_device *adev, bool enable)
{ … }

static u32 nbif_v6_3_1_get_memsize(struct amdgpu_device *adev)
{ … }

static void nbif_v6_3_1_sdma_doorbell_range(struct amdgpu_device *adev,
					    int instance, bool use_doorbell,
					    int doorbell_index,
					    int doorbell_size)
{ … }

static void nbif_v6_3_1_vcn_doorbell_range(struct amdgpu_device *adev,
					   bool use_doorbell, int doorbell_index,
					   int instance)
{ … }

static void nbif_v6_3_1_gc_doorbell_init(struct amdgpu_device *adev)
{ … }

static void nbif_v6_3_1_enable_doorbell_aperture(struct amdgpu_device *adev,
						 bool enable)
{ … }

static void
nbif_v6_3_1_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
					      bool enable)
{ … }

static void nbif_v6_3_1_ih_doorbell_range(struct amdgpu_device *adev,
					  bool use_doorbell, int doorbell_index)
{ … }

static void nbif_v6_3_1_ih_control(struct amdgpu_device *adev)
{ … }

static void
nbif_v6_3_1_update_medium_grain_clock_gating(struct amdgpu_device *adev,
					     bool enable)
{ … }

static void
nbif_v6_3_1_update_medium_grain_light_sleep(struct amdgpu_device *adev,
					    bool enable)
{ … }

static void
nbif_v6_3_1_get_clockgating_state(struct amdgpu_device *adev,
				  u64 *flags)
{ … }

static u32 nbif_v6_3_1_get_hdp_flush_req_offset(struct amdgpu_device *adev)
{ … }

static u32 nbif_v6_3_1_get_hdp_flush_done_offset(struct amdgpu_device *adev)
{ … }

static u32 nbif_v6_3_1_get_pcie_index_offset(struct amdgpu_device *adev)
{ … }

static u32 nbif_v6_3_1_get_pcie_data_offset(struct amdgpu_device *adev)
{ … }

const struct nbio_hdp_flush_reg nbif_v6_3_1_hdp_flush_reg = …;

static void nbif_v6_3_1_init_registers(struct amdgpu_device *adev)
{ … }

static u32 nbif_v6_3_1_get_rom_offset(struct amdgpu_device *adev)
{ … }

#ifdef CONFIG_PCIEASPM
static void nbif_v6_3_1_program_ltr(struct amdgpu_device *adev)
{ … }
#endif

static void nbif_v6_3_1_program_aspm(struct amdgpu_device *adev)
{ … }

#define MMIO_REG_HOLE_OFFSET …

static void nbif_v6_3_1_set_reg_remap(struct amdgpu_device *adev)
{ … }

const struct amdgpu_nbio_funcs nbif_v6_3_1_funcs = …;


static void nbif_v6_3_1_sriov_ih_doorbell_range(struct amdgpu_device *adev,
						bool use_doorbell, int doorbell_index)
{ … }

static void nbif_v6_3_1_sriov_sdma_doorbell_range(struct amdgpu_device *adev,
						  int instance, bool use_doorbell,
						  int doorbell_index,
						  int doorbell_size)
{ … }

static void nbif_v6_3_1_sriov_vcn_doorbell_range(struct amdgpu_device *adev,
						 bool use_doorbell,
						 int doorbell_index, int instance)
{ … }

static void nbif_v6_3_1_sriov_gc_doorbell_init(struct amdgpu_device *adev)
{ … }

const struct amdgpu_nbio_funcs nbif_v6_3_1_sriov_funcs = …;