linux/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.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.
 *
 */

#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "atomfirmware.h"
#include "amdgpu_atomfirmware.h"
#include "atom.h"
#include "atombios.h"
#include "soc15_hw_ip.h"

firmware_info;

/*
 * Helper function to query firmware capability
 *
 * @adev: amdgpu_device pointer
 *
 * Return firmware_capability in firmwareinfo table on success or 0 if not
 */
uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *adev)
{ … }

/*
 * Helper function to query gpu virtualizaiton capability
 *
 * @adev: amdgpu_device pointer
 *
 * Return true if gpu virtualization is supported or false if not
 */
bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev)
{ … }

void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev)
{ … }

static int amdgpu_atomfirmware_allocate_fb_v2_1(struct amdgpu_device *adev,
	struct vram_usagebyfirmware_v2_1 *fw_usage, int *usage_bytes)
{ … }

static int amdgpu_atomfirmware_allocate_fb_v2_2(struct amdgpu_device *adev,
		struct vram_usagebyfirmware_v2_2 *fw_usage, int *usage_bytes)
{ … }

int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
{ … }

igp_info;

umc_info;

vram_info;

vram_module;

static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
					      int atom_mem_type)
{ … }

int
amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
				  int *vram_width, int *vram_type,
				  int *vram_vendor)
{ … }

/*
 * Return true if vbios enabled ecc by default, if umc info table is available
 * or false if ecc is not enabled or umc info table is not available
 */
bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
{ … }

/*
 * Helper function to query sram ecc capablity
 *
 * @adev: amdgpu_device pointer
 *
 * Return true if vbios supports sram ecc or false if not
 */
bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
{ … }

/*
 * Helper function to query dynamic boot config capability
 *
 * @adev: amdgpu_device pointer
 *
 * Return true if vbios supports dynamic boot config or false if not
 */
bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev)
{ … }

/**
 * amdgpu_atomfirmware_ras_rom_addr -- Get the RAS EEPROM addr from VBIOS
 * @adev: amdgpu_device pointer
 * @i2c_address: pointer to u8; if not NULL, will contain
 *    the RAS EEPROM address if the function returns true
 *
 * Return true if VBIOS supports RAS EEPROM address reporting,
 * else return false. If true and @i2c_address is not NULL,
 * will contain the RAS ROM address.
 */
bool amdgpu_atomfirmware_ras_rom_addr(struct amdgpu_device *adev,
				      u8 *i2c_address)
{ … }


smu_info;

gfx_info;

int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
{ … }

int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
{ … }

/*
 * Helper function to query two stage mem training capability
 *
 * @adev: amdgpu_device pointer
 *
 * Return true if two stage mem training is supported or false if not
 */
bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev)
{ … }

int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
{ … }

/*
 * Helper function to execute asic_init table
 *
 * @adev: amdgpu_device pointer
 * @fb_reset: flag to indicate whether fb is reset or not
 *
 * Return 0 if succeed, otherwise failed
 */
int amdgpu_atomfirmware_asic_init(struct amdgpu_device *adev, bool fb_reset)
{ … }