linux/drivers/gpu/drm/amd/amdgpu/psp_v14_0.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 <drm/drm_drv.h>
#include <linux/vmalloc.h>
#include "amdgpu.h"
#include "amdgpu_psp.h"
#include "amdgpu_ucode.h"
#include "soc15_common.h"
#include "psp_v14_0.h"

#include "mp/mp_14_0_2_offset.h"
#include "mp/mp_14_0_2_sh_mask.h"

MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;
MODULE_FIRMWARE(…) …;

/* For large FW files the time to complete can be very long */
#define USBC_PD_POLLING_LIMIT_S …

/* Read USB-PD from LFB */
#define GFX_CMD_USB_PD_USE_LFB …

/* VBIOS gfl defines */
#define MBOX_READY_MASK …
#define MBOX_STATUS_MASK …
#define MBOX_COMMAND_MASK …
#define MBOX_READY_FLAG …
#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO …
#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI …
#define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE …

/* memory training timeout define */
#define MEM_TRAIN_SEND_MSG_TIMEOUT_US …

static int psp_v14_0_init_microcode(struct psp_context *psp)
{ … }

static bool psp_v14_0_is_sos_alive(struct psp_context *psp)
{ … }

static int psp_v14_0_wait_for_bootloader(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_component(struct psp_context  	*psp,
					       struct psp_bin_desc 	*bin_desc,
					       enum psp_bootloader_cmd  bl_cmd)
{ … }

static int psp_v14_0_bootloader_load_kdb(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_spl(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_sysdrv(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_soc_drv(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_intf_drv(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_dbg_drv(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_ras_drv(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_ipkeymgr_drv(struct psp_context *psp)
{ … }

static int psp_v14_0_bootloader_load_sos(struct psp_context *psp)
{ … }

static int psp_v14_0_ring_stop(struct psp_context *psp,
			       enum psp_ring_type ring_type)
{ … }

static int psp_v14_0_ring_create(struct psp_context *psp,
				 enum psp_ring_type ring_type)
{ … }

static int psp_v14_0_ring_destroy(struct psp_context *psp,
				  enum psp_ring_type ring_type)
{ … }

static uint32_t psp_v14_0_ring_get_wptr(struct psp_context *psp)
{ … }

static void psp_v14_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
{ … }

static int psp_v14_0_memory_training_send_msg(struct psp_context *psp, int msg)
{ … }


static int psp_v14_0_memory_training(struct psp_context *psp, uint32_t ops)
{ … }

static int psp_v14_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
{ … }

static int psp_v14_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
{ … }

static int psp_v14_0_exec_spi_cmd(struct psp_context *psp, int cmd)
{ … }

static int psp_v14_0_update_spirom(struct psp_context *psp,
				   uint64_t fw_pri_mc_addr)
{ … }

static int psp_v14_0_vbflash_status(struct psp_context *psp)
{ … }

static const struct psp_funcs psp_v14_0_funcs = …;

void psp_v14_0_set_psp_funcs(struct psp_context *psp)
{ … }