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_GFX_H__
25 #define __AMDGPU_GFX_H__
26
27 /*
28 * GFX stuff
29 */
30 #include "clearstate_defs.h"
31 #include "amdgpu_ring.h"
32 #include "amdgpu_rlc.h"
33
34 /* GFX current status */
35 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L
36 #define AMDGPU_GFX_SAFE_MODE 0x00000001L
37 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
38 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
39 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
40
41 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
42 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
43
44 struct amdgpu_mec {
45 struct amdgpu_bo *hpd_eop_obj;
46 u64 hpd_eop_gpu_addr;
47 struct amdgpu_bo *mec_fw_obj;
48 u64 mec_fw_gpu_addr;
49 u32 num_mec;
50 u32 num_pipe_per_mec;
51 u32 num_queue_per_pipe;
52 void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
53
54 /* These are the resources for which amdgpu takes ownership */
55 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
56 };
57
58 enum amdgpu_unmap_queues_action {
59 PREEMPT_QUEUES = 0,
60 RESET_QUEUES,
61 DISABLE_PROCESS_QUEUES,
62 PREEMPT_QUEUES_NO_UNMAP,
63 };
64
65 struct kiq_pm4_funcs {
66 /* Support ASIC-specific kiq pm4 packets*/
67 void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
68 uint64_t queue_mask);
69 void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
70 struct amdgpu_ring *ring);
71 void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
72 struct amdgpu_ring *ring,
73 enum amdgpu_unmap_queues_action action,
74 u64 gpu_addr, u64 seq);
75 void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
76 struct amdgpu_ring *ring,
77 u64 addr,
78 u64 seq);
79 /* Packet sizes */
80 int set_resources_size;
81 int map_queues_size;
82 int unmap_queues_size;
83 int query_status_size;
84 };
85
86 struct amdgpu_kiq {
87 u64 eop_gpu_addr;
88 struct amdgpu_bo *eop_obj;
89 spinlock_t ring_lock;
90 struct amdgpu_ring ring;
91 struct amdgpu_irq_src irq;
92 const struct kiq_pm4_funcs *pmf;
93 };
94
95 /*
96 * GPU scratch registers structures, functions & helpers
97 */
98 struct amdgpu_scratch {
99 unsigned num_reg;
100 uint32_t reg_base;
101 uint32_t free_mask;
102 };
103
104 /*
105 * GFX configurations
106 */
107 #define AMDGPU_GFX_MAX_SE 4
108 #define AMDGPU_GFX_MAX_SH_PER_SE 2
109
110 struct amdgpu_rb_config {
111 uint32_t rb_backend_disable;
112 uint32_t user_rb_backend_disable;
113 uint32_t raster_config;
114 uint32_t raster_config_1;
115 };
116
117 struct gb_addr_config {
118 uint16_t pipe_interleave_size;
119 uint8_t num_pipes;
120 uint8_t max_compress_frags;
121 uint8_t num_banks;
122 uint8_t num_se;
123 uint8_t num_rb_per_se;
124 };
125
126 struct amdgpu_gfx_config {
127 unsigned max_shader_engines;
128 unsigned max_tile_pipes;
129 unsigned max_cu_per_sh;
130 unsigned max_sh_per_se;
131 unsigned max_backends_per_se;
132 unsigned max_texture_channel_caches;
133 unsigned max_gprs;
134 unsigned max_gs_threads;
135 unsigned max_hw_contexts;
136 unsigned sc_prim_fifo_size_frontend;
137 unsigned sc_prim_fifo_size_backend;
138 unsigned sc_hiz_tile_fifo_size;
139 unsigned sc_earlyz_tile_fifo_size;
140
141 unsigned num_tile_pipes;
142 unsigned backend_enable_mask;
143 unsigned mem_max_burst_length_bytes;
144 unsigned mem_row_size_in_kb;
145 unsigned shader_engine_tile_size;
146 unsigned num_gpus;
147 unsigned multi_gpu_tile_size;
148 unsigned mc_arb_ramcfg;
149 unsigned gb_addr_config;
150 unsigned num_rbs;
151 unsigned gs_vgt_table_depth;
152 unsigned gs_prim_buffer_depth;
153
154 uint32_t tile_mode_array[32];
155 uint32_t macrotile_mode_array[16];
156
157 struct gb_addr_config gb_addr_config_fields;
158 struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
159
160 /* gfx configure feature */
161 uint32_t double_offchip_lds_buf;
162 /* cached value of DB_DEBUG2 */
163 uint32_t db_debug2;
164 /* gfx10 specific config */
165 uint32_t num_sc_per_sh;
166 uint32_t num_packer_per_sc;
167 uint32_t pa_sc_tile_steering_override;
168 uint64_t tcc_disabled_mask;
169 };
170
171 struct amdgpu_cu_info {
172 uint32_t simd_per_cu;
173 uint32_t max_waves_per_simd;
174 uint32_t wave_front_size;
175 uint32_t max_scratch_slots_per_cu;
176 uint32_t lds_size;
177
178 /* total active CU number */
179 uint32_t number;
180 uint32_t ao_cu_mask;
181 uint32_t ao_cu_bitmap[4][4];
182 uint32_t bitmap[4][4];
183 };
184
185 struct amdgpu_gfx_funcs {
186 /* get the gpu clock counter */
187 uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
188 void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
189 u32 sh_num, u32 instance);
190 void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
191 uint32_t wave, uint32_t *dst, int *no_fields);
192 void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
193 uint32_t wave, uint32_t thread, uint32_t start,
194 uint32_t size, uint32_t *dst);
195 void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
196 uint32_t wave, uint32_t start, uint32_t size,
197 uint32_t *dst);
198 void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
199 u32 queue, u32 vmid);
200 int (*ras_error_inject)(struct amdgpu_device *adev, void *inject_if);
201 int (*query_ras_error_count) (struct amdgpu_device *adev, void *ras_error_status);
202 };
203
204 struct amdgpu_ngg_buf {
205 struct amdgpu_bo *bo;
206 uint64_t gpu_addr;
207 uint32_t size;
208 uint32_t bo_size;
209 };
210
211 enum {
212 NGG_PRIM = 0,
213 NGG_POS,
214 NGG_CNTL,
215 NGG_PARAM,
216 NGG_BUF_MAX
217 };
218
219 struct amdgpu_ngg {
220 struct amdgpu_ngg_buf buf[NGG_BUF_MAX];
221 uint32_t gds_reserve_addr;
222 uint32_t gds_reserve_size;
223 bool init;
224 };
225
226 struct sq_work {
227 struct work_struct work;
228 unsigned ih_data;
229 };
230
231 struct amdgpu_pfp {
232 struct amdgpu_bo *pfp_fw_obj;
233 uint64_t pfp_fw_gpu_addr;
234 uint32_t *pfp_fw_ptr;
235 };
236
237 struct amdgpu_ce {
238 struct amdgpu_bo *ce_fw_obj;
239 uint64_t ce_fw_gpu_addr;
240 uint32_t *ce_fw_ptr;
241 };
242
243 struct amdgpu_me {
244 struct amdgpu_bo *me_fw_obj;
245 uint64_t me_fw_gpu_addr;
246 uint32_t *me_fw_ptr;
247 uint32_t num_me;
248 uint32_t num_pipe_per_me;
249 uint32_t num_queue_per_pipe;
250 void *mqd_backup[AMDGPU_MAX_GFX_RINGS + 1];
251
252 /* These are the resources for which amdgpu takes ownership */
253 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
254 };
255
256 struct amdgpu_gfx {
257 struct mutex gpu_clock_mutex;
258 struct amdgpu_gfx_config config;
259 struct amdgpu_rlc rlc;
260 struct amdgpu_pfp pfp;
261 struct amdgpu_ce ce;
262 struct amdgpu_me me;
263 struct amdgpu_mec mec;
264 struct amdgpu_kiq kiq;
265 struct amdgpu_scratch scratch;
266 const struct firmware *me_fw; /* ME firmware */
267 uint32_t me_fw_version;
268 const struct firmware *pfp_fw; /* PFP firmware */
269 uint32_t pfp_fw_version;
270 const struct firmware *ce_fw; /* CE firmware */
271 uint32_t ce_fw_version;
272 const struct firmware *rlc_fw; /* RLC firmware */
273 uint32_t rlc_fw_version;
274 const struct firmware *mec_fw; /* MEC firmware */
275 uint32_t mec_fw_version;
276 const struct firmware *mec2_fw; /* MEC2 firmware */
277 uint32_t mec2_fw_version;
278 uint32_t me_feature_version;
279 uint32_t ce_feature_version;
280 uint32_t pfp_feature_version;
281 uint32_t rlc_feature_version;
282 uint32_t rlc_srlc_fw_version;
283 uint32_t rlc_srlc_feature_version;
284 uint32_t rlc_srlg_fw_version;
285 uint32_t rlc_srlg_feature_version;
286 uint32_t rlc_srls_fw_version;
287 uint32_t rlc_srls_feature_version;
288 uint32_t mec_feature_version;
289 uint32_t mec2_feature_version;
290 bool mec_fw_write_wait;
291 bool me_fw_write_wait;
292 bool cp_fw_write_wait;
293 struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
294 unsigned num_gfx_rings;
295 struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
296 unsigned num_compute_rings;
297 struct amdgpu_irq_src eop_irq;
298 struct amdgpu_irq_src priv_reg_irq;
299 struct amdgpu_irq_src priv_inst_irq;
300 struct amdgpu_irq_src cp_ecc_error_irq;
301 struct amdgpu_irq_src sq_irq;
302 struct sq_work sq_work;
303
304 /* gfx status */
305 uint32_t gfx_current_status;
306 /* ce ram size*/
307 unsigned ce_ram_size;
308 struct amdgpu_cu_info cu_info;
309 const struct amdgpu_gfx_funcs *funcs;
310
311 /* reset mask */
312 uint32_t grbm_soft_reset;
313 uint32_t srbm_soft_reset;
314
315 /* NGG */
316 struct amdgpu_ngg ngg;
317
318 /* gfx off */
319 bool gfx_off_state; /* true: enabled, false: disabled */
320 struct mutex gfx_off_mutex;
321 uint32_t gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
322 struct delayed_work gfx_off_delay_work;
323
324 /* pipe reservation */
325 struct mutex pipe_reserve_mutex;
326 DECLARE_BITMAP (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
327
328 /*ras */
329 struct ras_common_if *ras_if;
330 };
331
332 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
333 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
334 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
335
336 /**
337 * amdgpu_gfx_create_bitmask - create a bitmask
338 *
339 * @bit_width: length of the mask
340 *
341 * create a variable length bit mask.
342 * Returns the bitmask.
343 */
amdgpu_gfx_create_bitmask(u32 bit_width)344 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
345 {
346 return (u32)((1ULL << bit_width) - 1);
347 }
348
349 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
350 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
351
352 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
353 unsigned max_sh);
354
355 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
356 struct amdgpu_ring *ring,
357 struct amdgpu_irq_src *irq);
358
359 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring,
360 struct amdgpu_irq_src *irq);
361
362 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
363 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
364 unsigned hpd_size);
365
366 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
367 unsigned mqd_size);
368 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
369 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
370 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
371
372 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
373 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
374
375 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
376 int pipe, int queue);
377 void amdgpu_gfx_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
378 int *mec, int *pipe, int *queue);
379 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
380 int pipe, int queue);
381 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
382 int pipe, int queue);
383 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
384 int *me, int *pipe, int *queue);
385 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
386 int pipe, int queue);
387 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
388
389 #endif
390
