drm/amdgpu/vcn: Add MMSCH v4_0 support for sriov

/*

 * Copyright 2022 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.

 *

 */

#ifndef __MMSCH_V4_0_H__

#define __MMSCH_V4_0_H__

#include "amdgpu_vcn.h"

#define MMSCH_VERSION_MAJOR	4

#define MMSCH_VERSION_MINOR	0

#define MMSCH_VERSION	(MMSCH_VERSION_MAJOR << 16 | MMSCH_VERSION_MINOR)

#define RB_ENABLED (1 << 0)

#define RB4_ENABLED (1 << 1)

#define MMSCH_DOORBELL_OFFSET 0x8

#define MMSCH_VF_ENGINE_STATUS__PASS 0x1

#define MMSCH_VF_MAILBOX_RESP__OK 0x1

#define MMSCH_VF_MAILBOX_RESP__INCOMPLETE 0x2

enum mmsch_v4_0_command_type {

	MMSCH_COMMAND__DIRECT_REG_WRITE = 0,

	MMSCH_COMMAND__DIRECT_REG_POLLING = 2,

	MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,

	MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,

	MMSCH_COMMAND__END = 0xf

};

struct mmsch_v4_0_table_info {

	uint32_t init_status;

	uint32_t table_offset;

	uint32_t table_size;

};

struct mmsch_v4_0_init_header {

	uint32_t version;

	uint32_t total_size;

	struct mmsch_v4_0_table_info inst[AMDGPU_MAX_VCN_INSTANCES];

	struct mmsch_v4_0_table_info jpegdec;

};

struct mmsch_v4_0_cmd_direct_reg_header {

	uint32_t reg_offset   : 28;

	uint32_t command_type : 4;

};

struct mmsch_v4_0_cmd_indirect_reg_header {

	uint32_t reg_offset    : 20;

	uint32_t reg_idx_space : 8;

	uint32_t command_type  : 4;

};

struct mmsch_v4_0_cmd_direct_write {

	struct mmsch_v4_0_cmd_direct_reg_header cmd_header;

	uint32_t reg_value;

};

struct mmsch_v4_0_cmd_direct_read_modify_write {

	struct mmsch_v4_0_cmd_direct_reg_header cmd_header;

	uint32_t write_data;

	uint32_t mask_value;

};

struct mmsch_v4_0_cmd_direct_polling {

	struct mmsch_v4_0_cmd_direct_reg_header cmd_header;

	uint32_t mask_value;

	uint32_t wait_value;

};

struct mmsch_v4_0_cmd_end {

	struct mmsch_v4_0_cmd_direct_reg_header cmd_header;

};

struct mmsch_v4_0_cmd_indirect_write {

	struct mmsch_v4_0_cmd_indirect_reg_header cmd_header;

	uint32_t reg_value;

};

#define MMSCH_V4_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \

	size = sizeof(struct mmsch_v4_0_cmd_direct_read_modify_write); \

	size_dw = size / 4; \

	direct_rd_mod_wt.cmd_header.reg_offset = reg; \

	direct_rd_mod_wt.mask_value = mask; \

	direct_rd_mod_wt.write_data = data; \

	memcpy((void *)table_loc, &direct_rd_mod_wt, size); \

	table_loc += size_dw; \

	table_size += size_dw; \

}

#define MMSCH_V4_0_INSERT_DIRECT_WT(reg, value) { \

	size = sizeof(struct mmsch_v4_0_cmd_direct_write); \

	size_dw = size / 4; \

	direct_wt.cmd_header.reg_offset = reg; \

	direct_wt.reg_value = value; \

	memcpy((void *)table_loc, &direct_wt, size); \

	table_loc += size_dw; \

	table_size += size_dw; \

}

#define MMSCH_V4_0_INSERT_DIRECT_POLL(reg, mask, wait) { \

	size = sizeof(struct mmsch_v4_0_cmd_direct_polling); \

	size_dw = size / 4; \

	direct_poll.cmd_header.reg_offset = reg; \

	direct_poll.mask_value = mask; \

	direct_poll.wait_value = wait; \

	memcpy((void *)table_loc, &direct_poll, size); \

	table_loc += size_dw; \

	table_size += size_dw; \

}

#define MMSCH_V4_0_INSERT_END() { \

	size = sizeof(struct mmsch_v4_0_cmd_end); \

	size_dw = size / 4; \

	memcpy((void *)table_loc, &end, size); \

	table_loc += size_dw; \

	table_size += size_dw; \

}

#endif