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1/*
2 * Copyright 2014 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 __AMDGPU_RLC_H__
25#define __AMDGPU_RLC_H__
26
27#include "clearstate_defs.h"
28
29/* firmware ID used in rlc toc */
30typedef enum _FIRMWARE_ID_ {
31 FIRMWARE_ID_INVALID = 0,
32 FIRMWARE_ID_RLC_G_UCODE = 1,
33 FIRMWARE_ID_RLC_TOC = 2,
34 FIRMWARE_ID_RLCG_SCRATCH = 3,
35 FIRMWARE_ID_RLC_SRM_ARAM = 4,
36 FIRMWARE_ID_RLC_SRM_INDEX_ADDR = 5,
37 FIRMWARE_ID_RLC_SRM_INDEX_DATA = 6,
38 FIRMWARE_ID_RLC_P_UCODE = 7,
39 FIRMWARE_ID_RLC_V_UCODE = 8,
40 FIRMWARE_ID_RLX6_UCODE = 9,
41 FIRMWARE_ID_RLX6_DRAM_BOOT = 10,
42 FIRMWARE_ID_GLOBAL_TAP_DELAYS = 11,
43 FIRMWARE_ID_SE0_TAP_DELAYS = 12,
44 FIRMWARE_ID_SE1_TAP_DELAYS = 13,
45 FIRMWARE_ID_GLOBAL_SE0_SE1_SKEW_DELAYS = 14,
46 FIRMWARE_ID_SDMA0_UCODE = 15,
47 FIRMWARE_ID_SDMA0_JT = 16,
48 FIRMWARE_ID_SDMA1_UCODE = 17,
49 FIRMWARE_ID_SDMA1_JT = 18,
50 FIRMWARE_ID_CP_CE = 19,
51 FIRMWARE_ID_CP_PFP = 20,
52 FIRMWARE_ID_CP_ME = 21,
53 FIRMWARE_ID_CP_MEC = 22,
54 FIRMWARE_ID_CP_MES = 23,
55 FIRMWARE_ID_MES_STACK = 24,
56 FIRMWARE_ID_RLC_SRM_DRAM_SR = 25,
57 FIRMWARE_ID_RLCG_SCRATCH_SR = 26,
58 FIRMWARE_ID_RLCP_SCRATCH_SR = 27,
59 FIRMWARE_ID_RLCV_SCRATCH_SR = 28,
60 FIRMWARE_ID_RLX6_DRAM_SR = 29,
61 FIRMWARE_ID_SDMA0_PG_CONTEXT = 30,
62 FIRMWARE_ID_SDMA1_PG_CONTEXT = 31,
63 FIRMWARE_ID_GLOBAL_MUX_SELECT_RAM = 32,
64 FIRMWARE_ID_SE0_MUX_SELECT_RAM = 33,
65 FIRMWARE_ID_SE1_MUX_SELECT_RAM = 34,
66 FIRMWARE_ID_ACCUM_CTRL_RAM = 35,
67 FIRMWARE_ID_RLCP_CAM = 36,
68 FIRMWARE_ID_RLC_SPP_CAM_EXT = 37,
69 FIRMWARE_ID_MAX = 38,
70} FIRMWARE_ID;
71
72typedef struct _RLC_TABLE_OF_CONTENT {
73 union {
74 unsigned int DW0;
75 struct {
76 unsigned int offset : 25;
77 unsigned int id : 7;
78 };
79 };
80
81 union {
82 unsigned int DW1;
83 struct {
84 unsigned int load_at_boot : 1;
85 unsigned int load_at_vddgfx : 1;
86 unsigned int load_at_reset : 1;
87 unsigned int memory_destination : 2;
88 unsigned int vfflr_image_code : 4;
89 unsigned int load_mode_direct : 1;
90 unsigned int save_for_vddgfx : 1;
91 unsigned int save_for_vfflr : 1;
92 unsigned int reserved : 1;
93 unsigned int signed_source : 1;
94 unsigned int size : 18;
95 };
96 };
97
98 union {
99 unsigned int DW2;
100 struct {
101 unsigned int indirect_addr_reg : 16;
102 unsigned int index : 16;
103 };
104 };
105
106 union {
107 unsigned int DW3;
108 struct {
109 unsigned int indirect_data_reg : 16;
110 unsigned int indirect_start_offset : 16;
111 };
112 };
113} RLC_TABLE_OF_CONTENT;
114
115#define RLC_TOC_MAX_SIZE 64
116
117struct amdgpu_rlc_funcs {
118 bool (*is_rlc_enabled)(struct amdgpu_device *adev);
119 void (*set_safe_mode)(struct amdgpu_device *adev);
120 void (*unset_safe_mode)(struct amdgpu_device *adev);
121 int (*init)(struct amdgpu_device *adev);
122 u32 (*get_csb_size)(struct amdgpu_device *adev);
123 void (*get_csb_buffer)(struct amdgpu_device *adev, volatile u32 *buffer);
124 int (*get_cp_table_num)(struct amdgpu_device *adev);
125 int (*resume)(struct amdgpu_device *adev);
126 void (*stop)(struct amdgpu_device *adev);
127 void (*reset)(struct amdgpu_device *adev);
128 void (*start)(struct amdgpu_device *adev);
129};
130
131struct amdgpu_rlc {
132 /* for power gating */
133 struct amdgpu_bo *save_restore_obj;
134 uint64_t save_restore_gpu_addr;
135 volatile uint32_t *sr_ptr;
136 const u32 *reg_list;
137 u32 reg_list_size;
138 /* for clear state */
139 struct amdgpu_bo *clear_state_obj;
140 uint64_t clear_state_gpu_addr;
141 volatile uint32_t *cs_ptr;
142 const struct cs_section_def *cs_data;
143 u32 clear_state_size;
144 /* for cp tables */
145 struct amdgpu_bo *cp_table_obj;
146 uint64_t cp_table_gpu_addr;
147 volatile uint32_t *cp_table_ptr;
148 u32 cp_table_size;
149
150 /* safe mode for updating CG/PG state */
151 bool in_safe_mode;
152 const struct amdgpu_rlc_funcs *funcs;
153
154 /* for firmware data */
155 u32 save_and_restore_offset;
156 u32 clear_state_descriptor_offset;
157 u32 avail_scratch_ram_locations;
158 u32 reg_restore_list_size;
159 u32 reg_list_format_start;
160 u32 reg_list_format_separate_start;
161 u32 starting_offsets_start;
162 u32 reg_list_format_size_bytes;
163 u32 reg_list_size_bytes;
164 u32 reg_list_format_direct_reg_list_length;
165 u32 save_restore_list_cntl_size_bytes;
166 u32 save_restore_list_gpm_size_bytes;
167 u32 save_restore_list_srm_size_bytes;
168
169 u32 *register_list_format;
170 u32 *register_restore;
171 u8 *save_restore_list_cntl;
172 u8 *save_restore_list_gpm;
173 u8 *save_restore_list_srm;
174
175 bool is_rlc_v2_1;
176
177 /* for rlc autoload */
178 struct amdgpu_bo *rlc_autoload_bo;
179 u64 rlc_autoload_gpu_addr;
180 void *rlc_autoload_ptr;
181
182 /* rlc toc buffer */
183 struct amdgpu_bo *rlc_toc_bo;
184 uint64_t rlc_toc_gpu_addr;
185 void *rlc_toc_buf;
186};
187
188void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev);
189void amdgpu_gfx_rlc_exit_safe_mode(struct amdgpu_device *adev);
190int amdgpu_gfx_rlc_init_sr(struct amdgpu_device *adev, u32 dws);
191int amdgpu_gfx_rlc_init_csb(struct amdgpu_device *adev);
192int amdgpu_gfx_rlc_init_cpt(struct amdgpu_device *adev);
193void amdgpu_gfx_rlc_setup_cp_table(struct amdgpu_device *adev);
194void amdgpu_gfx_rlc_fini(struct amdgpu_device *adev);
195
196#endif