1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright 2023 Advanced Micro Devices, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 */
24
25#ifndef __AMDGPU_UMSCH_MM_H__
26#define __AMDGPU_UMSCH_MM_H__
27
28enum UMSCH_SWIP_ENGINE_TYPE {
29 UMSCH_SWIP_ENGINE_TYPE_VCN0 = 0,
30 UMSCH_SWIP_ENGINE_TYPE_VCN1 = 1,
31 UMSCH_SWIP_ENGINE_TYPE_VCN = 2,
32 UMSCH_SWIP_ENGINE_TYPE_VPE = 3,
33 UMSCH_SWIP_ENGINE_TYPE_MAX
34};
35
36enum UMSCH_CONTEXT_PRIORITY_LEVEL {
37 CONTEXT_PRIORITY_LEVEL_IDLE = 0,
38 CONTEXT_PRIORITY_LEVEL_NORMAL = 1,
39 CONTEXT_PRIORITY_LEVEL_FOCUS = 2,
40 CONTEXT_PRIORITY_LEVEL_REALTIME = 3,
41 CONTEXT_PRIORITY_NUM_LEVELS
42};
43
44struct umsch_mm_set_resource_input {
45 uint32_t vmid_mask_mm_vcn;
46 uint32_t vmid_mask_mm_vpe;
47 uint32_t collaboration_mask_vpe;
48 uint32_t logging_vmid;
49 uint32_t engine_mask;
50 union {
51 struct {
52 uint32_t disable_reset : 1;
53 uint32_t disable_umsch_mm_log : 1;
54 uint32_t use_rs64mem_for_proc_ctx_csa : 1;
55 uint32_t reserved : 29;
56 };
57 uint32_t uint32_all;
58 };
59};
60
61struct umsch_mm_add_queue_input {
62 uint32_t process_id;
63 uint64_t page_table_base_addr;
64 uint64_t process_va_start;
65 uint64_t process_va_end;
66 uint64_t process_quantum;
67 uint64_t process_csa_addr;
68 uint64_t context_quantum;
69 uint64_t context_csa_addr;
70 uint32_t inprocess_context_priority;
71 enum UMSCH_CONTEXT_PRIORITY_LEVEL context_global_priority_level;
72 uint32_t doorbell_offset_0;
73 uint32_t doorbell_offset_1;
74 enum UMSCH_SWIP_ENGINE_TYPE engine_type;
75 uint32_t affinity;
76 uint64_t mqd_addr;
77 uint64_t h_context;
78 uint64_t h_queue;
79 uint32_t vm_context_cntl;
80
81 uint32_t process_csa_array_index;
82 uint32_t context_csa_array_index;
83
84 struct {
85 uint32_t is_context_suspended : 1;
86 uint32_t collaboration_mode : 1;
87 uint32_t reserved : 30;
88 };
89};
90
91struct umsch_mm_remove_queue_input {
92 uint32_t doorbell_offset_0;
93 uint32_t doorbell_offset_1;
94 uint64_t context_csa_addr;
95 uint32_t context_csa_array_index;
96};
97
98struct MQD_INFO {
99 uint32_t rb_base_hi;
100 uint32_t rb_base_lo;
101 uint32_t rb_size;
102 uint32_t wptr_val;
103 uint32_t rptr_val;
104 uint32_t unmapped;
105 uint32_t vmid;
106};
107
108struct amdgpu_umsch_mm;
109
110struct umsch_mm_funcs {
111 int (*set_hw_resources)(struct amdgpu_umsch_mm *umsch);
112 int (*add_queue)(struct amdgpu_umsch_mm *umsch,
113 struct umsch_mm_add_queue_input *input);
114 int (*remove_queue)(struct amdgpu_umsch_mm *umsch,
115 struct umsch_mm_remove_queue_input *input);
116 int (*set_regs)(struct amdgpu_umsch_mm *umsch);
117 int (*init_microcode)(struct amdgpu_umsch_mm *umsch);
118 int (*load_microcode)(struct amdgpu_umsch_mm *umsch);
119 int (*ring_init)(struct amdgpu_umsch_mm *umsch);
120 int (*ring_start)(struct amdgpu_umsch_mm *umsch);
121 int (*ring_stop)(struct amdgpu_umsch_mm *umsch);
122 int (*ring_fini)(struct amdgpu_umsch_mm *umsch);
123};
124
125struct amdgpu_umsch_mm {
126 struct amdgpu_ring ring;
127
128 uint32_t rb_wptr;
129 uint32_t rb_rptr;
130
131 const struct umsch_mm_funcs *funcs;
132
133 const struct firmware *fw;
134 uint32_t fw_version;
135 uint32_t feature_version;
136
137 struct amdgpu_bo *ucode_fw_obj;
138 uint64_t ucode_fw_gpu_addr;
139 uint32_t *ucode_fw_ptr;
140 uint64_t irq_start_addr;
141 uint64_t uc_start_addr;
142 uint32_t ucode_size;
143
144 struct amdgpu_bo *data_fw_obj;
145 uint64_t data_fw_gpu_addr;
146 uint32_t *data_fw_ptr;
147 uint64_t data_start_addr;
148 uint32_t data_size;
149
150 struct amdgpu_bo *cmd_buf_obj;
151 uint64_t cmd_buf_gpu_addr;
152 uint32_t *cmd_buf_ptr;
153 uint32_t *cmd_buf_curr_ptr;
154
155 uint32_t wb_index;
156 uint64_t sch_ctx_gpu_addr;
157 uint32_t *sch_ctx_cpu_addr;
158
159 uint32_t vmid_mask_mm_vcn;
160 uint32_t vmid_mask_mm_vpe;
161 uint32_t engine_mask;
162 uint32_t vcn0_hqd_mask;
163 uint32_t vcn1_hqd_mask;
164 uint32_t vcn_hqd_mask[2];
165 uint32_t vpe_hqd_mask;
166 uint32_t agdb_index[CONTEXT_PRIORITY_NUM_LEVELS];
167
168 struct mutex mutex_hidden;
169};
170
171int amdgpu_umsch_mm_submit_pkt(struct amdgpu_umsch_mm *umsch, void *pkt, int ndws);
172int amdgpu_umsch_mm_query_fence(struct amdgpu_umsch_mm *umsch);
173
174int amdgpu_umsch_mm_init_microcode(struct amdgpu_umsch_mm *umsch);
175int amdgpu_umsch_mm_allocate_ucode_buffer(struct amdgpu_umsch_mm *umsch);
176int amdgpu_umsch_mm_allocate_ucode_data_buffer(struct amdgpu_umsch_mm *umsch);
177
178int amdgpu_umsch_mm_psp_execute_cmd_buf(struct amdgpu_umsch_mm *umsch);
179
180int amdgpu_umsch_mm_ring_init(struct amdgpu_umsch_mm *umsch);
181
182#define WREG32_SOC15_UMSCH(reg, value) \
183 do { \
184 uint32_t reg_offset = adev->reg_offset[VCN_HWIP][0][reg##_BASE_IDX] + reg; \
185 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { \
186 *adev->umsch_mm.cmd_buf_curr_ptr++ = (reg_offset << 2); \
187 *adev->umsch_mm.cmd_buf_curr_ptr++ = value; \
188 } else { \
189 WREG32(reg_offset, value); \
190 } \
191 } while (0)
192
193#define umsch_mm_set_hw_resources(umsch) \
194 ((umsch)->funcs->set_hw_resources ? (umsch)->funcs->set_hw_resources((umsch)) : 0)
195#define umsch_mm_add_queue(umsch, input) \
196 ((umsch)->funcs->add_queue ? (umsch)->funcs->add_queue((umsch), (input)) : 0)
197#define umsch_mm_remove_queue(umsch, input) \
198 ((umsch)->funcs->remove_queue ? (umsch)->funcs->remove_queue((umsch), (input)) : 0)
199
200#define umsch_mm_set_regs(umsch) \
201 ((umsch)->funcs->set_regs ? (umsch)->funcs->set_regs((umsch)) : 0)
202#define umsch_mm_init_microcode(umsch) \
203 ((umsch)->funcs->init_microcode ? (umsch)->funcs->init_microcode((umsch)) : 0)
204#define umsch_mm_load_microcode(umsch) \
205 ((umsch)->funcs->load_microcode ? (umsch)->funcs->load_microcode((umsch)) : 0)
206
207#define umsch_mm_ring_init(umsch) \
208 ((umsch)->funcs->ring_init ? (umsch)->funcs->ring_init((umsch)) : 0)
209#define umsch_mm_ring_start(umsch) \
210 ((umsch)->funcs->ring_start ? (umsch)->funcs->ring_start((umsch)) : 0)
211#define umsch_mm_ring_stop(umsch) \
212 ((umsch)->funcs->ring_stop ? (umsch)->funcs->ring_stop((umsch)) : 0)
213#define umsch_mm_ring_fini(umsch) \
214 ((umsch)->funcs->ring_fini ? (umsch)->funcs->ring_fini((umsch)) : 0)
215
216static inline void amdgpu_umsch_mm_lock(struct amdgpu_umsch_mm *umsch)
217{
218 mutex_lock(&umsch->mutex_hidden);
219}
220
221static inline void amdgpu_umsch_mm_unlock(struct amdgpu_umsch_mm *umsch)
222{
223 mutex_unlock(lock: &umsch->mutex_hidden);
224}
225
226extern const struct amdgpu_ip_block_version umsch_mm_v4_0_ip_block;
227
228#endif
229

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.h