linux/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c

/*
 * Copyright 2021 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 "nbio_v4_3.h"

#include "nbio/nbio_4_3_0_offset.h"
#include "nbio/nbio_4_3_0_sh_mask.h"
#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
#include <uapi/linux/kfd_ioctl.h>

static void nbio_v4_3_remap_hdp_registers(struct amdgpu_device *adev)
{ … }

static u32 nbio_v4_3_get_rev_id(struct amdgpu_device *adev)
{ … }

static void nbio_v4_3_mc_access_enable(struct amdgpu_device *adev, bool enable)
{ … }

static u32 nbio_v4_3_get_memsize(struct amdgpu_device *adev)
{ … }

static void nbio_v4_3_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
					  bool use_doorbell, int doorbell_index,
					  int doorbell_size)
{ … }

static void nbio_v4_3_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
					 int doorbell_index, int instance)
{ … }

static void nbio_v4_3_gc_doorbell_init(struct amdgpu_device *adev)
{ … }

static void nbio_v4_3_enable_doorbell_aperture(struct amdgpu_device *adev,
					       bool enable)
{ … }

static void nbio_v4_3_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
							bool enable)
{ … }

static void nbio_v4_3_ih_doorbell_range(struct amdgpu_device *adev,
					bool use_doorbell, int doorbell_index)
{ … }

static void nbio_v4_3_ih_control(struct amdgpu_device *adev)
{ … }

static void nbio_v4_3_update_medium_grain_clock_gating(struct amdgpu_device *adev,
						       bool enable)
{ … }

static void nbio_v4_3_update_medium_grain_light_sleep(struct amdgpu_device *adev,
						      bool enable)
{ … }

static void nbio_v4_3_get_clockgating_state(struct amdgpu_device *adev,
					    u64 *flags)
{ … }

static u32 nbio_v4_3_get_hdp_flush_req_offset(struct amdgpu_device *adev)
{ … }

static u32 nbio_v4_3_get_hdp_flush_done_offset(struct amdgpu_device *adev)
{ … }

static u32 nbio_v4_3_get_pcie_index_offset(struct amdgpu_device *adev)
{ … }

static u32 nbio_v4_3_get_pcie_data_offset(struct amdgpu_device *adev)
{ … }

const struct nbio_hdp_flush_reg nbio_v4_3_hdp_flush_reg = …;

static void nbio_v4_3_init_registers(struct amdgpu_device *adev)
{ … }

static u32 nbio_v4_3_get_rom_offset(struct amdgpu_device *adev)
{ … }

#ifdef CONFIG_PCIEASPM
static void nbio_v4_3_program_ltr(struct amdgpu_device *adev)
{ … }
#endif

static void nbio_v4_3_program_aspm(struct amdgpu_device *adev)
{ … }

#define MMIO_REG_HOLE_OFFSET …

static void nbio_v4_3_set_reg_remap(struct amdgpu_device *adev)
{ … }

const struct amdgpu_nbio_funcs nbio_v4_3_funcs = …;


static void nbio_v4_3_sriov_ih_doorbell_range(struct amdgpu_device *adev,
					bool use_doorbell, int doorbell_index)
{ … }

static void nbio_v4_3_sriov_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
					  bool use_doorbell, int doorbell_index,
					  int doorbell_size)
{ … }

static void nbio_v4_3_sriov_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
					 int doorbell_index, int instance)
{ … }

static void nbio_v4_3_sriov_gc_doorbell_init(struct amdgpu_device *adev)
{ … }

const struct amdgpu_nbio_funcs nbio_v4_3_sriov_funcs = …;

static int nbio_v4_3_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
						       struct amdgpu_irq_src *src,
						       unsigned type,
						       enum amdgpu_interrupt_state state)
{ … }

static int nbio_v4_3_process_err_event_athub_irq(struct amdgpu_device *adev,
						 struct amdgpu_irq_src *source,
						 struct amdgpu_iv_entry *entry)
{ … }

static const struct amdgpu_irq_src_funcs nbio_v4_3_ras_err_event_athub_irq_funcs = …;

static void nbio_v4_3_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
{ … }

static int nbio_v4_3_init_ras_err_event_athub_interrupt(struct amdgpu_device *adev)
{ … }

struct amdgpu_nbio_ras nbio_v4_3_ras = …;