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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
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/*
 * 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.
 *
 * Author: Huang Rui
 *
 */
#ifndef __AMDGPU_PSP_H__
#define __AMDGPU_PSP_H__

#include "amdgpu.h"
#include "psp_gfx_if.h"

#define PSP_FENCE_BUFFER_SIZE	0x1000
#define PSP_CMD_BUFFER_SIZE	0x1000
#define PSP_ASD_SHARED_MEM_SIZE	0x4000
#define PSP_1_MEG		0x100000

struct psp_context;

enum psp_ring_type
{
	PSP_RING_TYPE__INVALID = 0,
	/*
	 * These values map to the way the PSP kernel identifies the
	 * rings.
	 */
	PSP_RING_TYPE__UM = 1, /* User mode ring (formerly called RBI) */
	PSP_RING_TYPE__KM = 2  /* Kernel mode ring (formerly called GPCOM) */
};

struct psp_ring
{
	enum psp_ring_type		ring_type;
	struct psp_gfx_rb_frame		*ring_mem;
	uint64_t			ring_mem_mc_addr;
	void				*ring_mem_handle;
	uint32_t			ring_size;
};

struct psp_funcs
{
	int (*init_microcode)(struct psp_context *psp);
	int (*bootloader_load_sysdrv)(struct psp_context *psp);
	int (*bootloader_load_sos)(struct psp_context *psp);
	int (*prep_cmd_buf)(struct amdgpu_firmware_info *ucode,
			    struct psp_gfx_cmd_resp *cmd);
	int (*ring_init)(struct psp_context *psp, enum psp_ring_type ring_type);
	int (*ring_create)(struct psp_context *psp, enum psp_ring_type ring_type);
	int (*ring_stop)(struct psp_context *psp,
			    enum psp_ring_type ring_type);
	int (*ring_destroy)(struct psp_context *psp,
			    enum psp_ring_type ring_type);
	int (*cmd_submit)(struct psp_context *psp, struct amdgpu_firmware_info *ucode,
			  uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr, int index);
	bool (*compare_sram_data)(struct psp_context *psp,
				  struct amdgpu_firmware_info *ucode,
				  enum AMDGPU_UCODE_ID ucode_type);
	bool (*smu_reload_quirk)(struct psp_context *psp);
	int (*mode1_reset)(struct psp_context *psp);
};

struct psp_context
{
	struct amdgpu_device            *adev;
	struct psp_ring                 km_ring;
	struct psp_gfx_cmd_resp		*cmd;

	const struct psp_funcs 		*funcs;

	/* fence buffer */
	struct amdgpu_bo 		*fw_pri_bo;
	uint64_t 			fw_pri_mc_addr;
	void				*fw_pri_buf;

	/* sos firmware */
	const struct firmware		*sos_fw;
	uint32_t			sos_fw_version;
	uint32_t			sos_feature_version;
	uint32_t			sys_bin_size;
	uint32_t			sos_bin_size;
	uint8_t				*sys_start_addr;
	uint8_t				*sos_start_addr;

	/* tmr buffer */
	struct amdgpu_bo 		*tmr_bo;
	uint64_t 			tmr_mc_addr;
	void				*tmr_buf;

	/* asd firmware and buffer */
	const struct firmware		*asd_fw;
	uint32_t			asd_fw_version;
	uint32_t			asd_feature_version;
	uint32_t			asd_ucode_size;
	uint8_t				*asd_start_addr;
	struct amdgpu_bo 		*asd_shared_bo;
	uint64_t 			asd_shared_mc_addr;
	void				*asd_shared_buf;

	/* fence buffer */
	struct amdgpu_bo 		*fence_buf_bo;
	uint64_t 			fence_buf_mc_addr;
	void				*fence_buf;

	/* cmd buffer */
	struct amdgpu_bo		*cmd_buf_bo;
	uint64_t			cmd_buf_mc_addr;
	struct psp_gfx_cmd_resp		*cmd_buf_mem;
};

struct amdgpu_psp_funcs {
	bool (*check_fw_loading_status)(struct amdgpu_device *adev,
					enum AMDGPU_UCODE_ID);
};

#define psp_prep_cmd_buf(ucode, type) (psp)->funcs->prep_cmd_buf((ucode), (type))
#define psp_ring_init(psp, type) (psp)->funcs->ring_init((psp), (type))
#define psp_ring_create(psp, type) (psp)->funcs->ring_create((psp), (type))
#define psp_ring_stop(psp, type) (psp)->funcs->ring_stop((psp), (type))
#define psp_ring_destroy(psp, type) ((psp)->funcs->ring_destroy((psp), (type)))
#define psp_cmd_submit(psp, ucode, cmd_mc, fence_mc, index) \
		(psp)->funcs->cmd_submit((psp), (ucode), (cmd_mc), (fence_mc), (index))
#define psp_compare_sram_data(psp, ucode, type) \
		(psp)->funcs->compare_sram_data((psp), (ucode), (type))
#define psp_init_microcode(psp) \
		((psp)->funcs->init_microcode ? (psp)->funcs->init_microcode((psp)) : 0)
#define psp_bootloader_load_sysdrv(psp) \
		((psp)->funcs->bootloader_load_sysdrv ? (psp)->funcs->bootloader_load_sysdrv((psp)) : 0)
#define psp_bootloader_load_sos(psp) \
		((psp)->funcs->bootloader_load_sos ? (psp)->funcs->bootloader_load_sos((psp)) : 0)
#define psp_smu_reload_quirk(psp) \
		((psp)->funcs->smu_reload_quirk ? (psp)->funcs->smu_reload_quirk((psp)) : false)
#define psp_mode1_reset(psp) \
		((psp)->funcs->mode1_reset ? (psp)->funcs->mode1_reset((psp)) : false)

extern const struct amd_ip_funcs psp_ip_funcs;

extern const struct amdgpu_ip_block_version psp_v3_1_ip_block;
extern int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
			uint32_t field_val, uint32_t mask, bool check_changed);

extern const struct amdgpu_ip_block_version psp_v10_0_ip_block;

int psp_gpu_reset(struct amdgpu_device *adev);

#endif