/drivers/gpu/drm/amd/amdgpu/mmsch_v1_0.h

  1/*
  2 * Copyright 2017 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 */
 23
 24#ifndef __MMSCH_V1_0_H__
 25#define __MMSCH_V1_0_H__
 26
 27#define MMSCH_VERSION_MAJOR	1
 28#define MMSCH_VERSION_MINOR	0
 29#define MMSCH_VERSION	(MMSCH_VERSION_MAJOR << 16 | MMSCH_VERSION_MINOR)
 30
 31enum mmsch_v1_0_command_type {
 32	MMSCH_COMMAND__DIRECT_REG_WRITE = 0,
 33	MMSCH_COMMAND__DIRECT_REG_POLLING = 2,
 34	MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE = 3,
 35	MMSCH_COMMAND__INDIRECT_REG_WRITE = 8,
 36	MMSCH_COMMAND__END = 0xf
 37};
 38
 39struct mmsch_v1_0_init_header {
 40	uint32_t version;
 41	uint32_t header_size;
 42	uint32_t vce_init_status;
 43	uint32_t uvd_init_status;
 44	uint32_t vce_table_offset;
 45	uint32_t vce_table_size;
 46	uint32_t uvd_table_offset;
 47	uint32_t uvd_table_size;
 48};
 49
 50struct mmsch_v1_0_cmd_direct_reg_header {
 51	uint32_t reg_offset   : 28;
 52	uint32_t command_type : 4;
 53};
 54
 55struct mmsch_v1_0_cmd_indirect_reg_header {
 56	uint32_t reg_offset    : 20;
 57	uint32_t reg_idx_space : 8;
 58	uint32_t command_type  : 4;
 59};
 60
 61struct mmsch_v1_0_cmd_direct_write {
 62	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
 63	uint32_t reg_value;
 64};
 65
 66struct mmsch_v1_0_cmd_direct_read_modify_write {
 67	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
 68	uint32_t write_data;
 69	uint32_t mask_value;
 70};
 71
 72struct mmsch_v1_0_cmd_direct_polling {
 73	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
 74	uint32_t mask_value;
 75	uint32_t wait_value;
 76};
 77
 78struct mmsch_v1_0_cmd_end {
 79	struct mmsch_v1_0_cmd_direct_reg_header cmd_header;
 80};
 81
 82struct mmsch_v1_0_cmd_indirect_write {
 83	struct mmsch_v1_0_cmd_indirect_reg_header cmd_header;
 84	uint32_t reg_value;
 85};
 86
 87static inline void mmsch_v1_0_insert_direct_wt(struct mmsch_v1_0_cmd_direct_write *direct_wt,
 88					       uint32_t *init_table,
 89					       uint32_t reg_offset,
 90					       uint32_t value)
 91{
 92	direct_wt->cmd_header.reg_offset = reg_offset;
 93	direct_wt->reg_value = value;
 94	memcpy((void *)init_table, direct_wt, sizeof(struct mmsch_v1_0_cmd_direct_write));
 95}
 96
 97static inline void mmsch_v1_0_insert_direct_rd_mod_wt(struct mmsch_v1_0_cmd_direct_read_modify_write *direct_rd_mod_wt,
 98						      uint32_t *init_table,
 99						      uint32_t reg_offset,
100						      uint32_t mask, uint32_t data)
101{
102	direct_rd_mod_wt->cmd_header.reg_offset = reg_offset;
103	direct_rd_mod_wt->mask_value = mask;
104	direct_rd_mod_wt->write_data = data;
105	memcpy((void *)init_table, direct_rd_mod_wt,
106	       sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write));
107}
108
109static inline void mmsch_v1_0_insert_direct_poll(struct mmsch_v1_0_cmd_direct_polling *direct_poll,
110						 uint32_t *init_table,
111						 uint32_t reg_offset,
112						 uint32_t mask, uint32_t wait)
113{
114	direct_poll->cmd_header.reg_offset = reg_offset;
115	direct_poll->mask_value = mask;
116	direct_poll->wait_value = wait;
117	memcpy((void *)init_table, direct_poll, sizeof(struct mmsch_v1_0_cmd_direct_polling));
118}
119
120#define MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(reg, mask, data) { \
121	mmsch_v1_0_insert_direct_rd_mod_wt(&direct_rd_mod_wt, \
122					   init_table, (reg), \
123					   (mask), (data)); \
124	init_table += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
125	table_size += sizeof(struct mmsch_v1_0_cmd_direct_read_modify_write)/4; \
126}
127
128#define MMSCH_V1_0_INSERT_DIRECT_WT(reg, value) { \
129	mmsch_v1_0_insert_direct_wt(&direct_wt, \
130				    init_table, (reg), \
131				    (value)); \
132	init_table += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
133	table_size += sizeof(struct mmsch_v1_0_cmd_direct_write)/4; \
134}
135
136#define MMSCH_V1_0_INSERT_DIRECT_POLL(reg, mask, wait) { \
137	mmsch_v1_0_insert_direct_poll(&direct_poll, \
138				      init_table, (reg), \
139				      (mask), (wait)); \
140	init_table += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
141	table_size += sizeof(struct mmsch_v1_0_cmd_direct_polling)/4; \
142}
143
144#endif