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 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
293 	unsigned			num_gfx_rings;
294 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
295 	unsigned			num_compute_rings;
296 	struct amdgpu_irq_src		eop_irq;
297 	struct amdgpu_irq_src		priv_reg_irq;
298 	struct amdgpu_irq_src		priv_inst_irq;
299 	struct amdgpu_irq_src		cp_ecc_error_irq;
300 	struct amdgpu_irq_src		sq_irq;
301 	struct sq_work			sq_work;
302 
303 	/* gfx status */
304 	uint32_t			gfx_current_status;
305 	/* ce ram size*/
306 	unsigned			ce_ram_size;
307 	struct amdgpu_cu_info		cu_info;
308 	const struct amdgpu_gfx_funcs	*funcs;
309 
310 	/* reset mask */
311 	uint32_t                        grbm_soft_reset;
312 	uint32_t                        srbm_soft_reset;
313 
314 	/* NGG */
315 	struct amdgpu_ngg		ngg;
316 
317 	/* gfx off */
318 	bool                            gfx_off_state; /* true: enabled, false: disabled */
319 	struct mutex                    gfx_off_mutex;
320 	uint32_t                        gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
321 	struct delayed_work             gfx_off_delay_work;
322 
323 	/* pipe reservation */
324 	struct mutex			pipe_reserve_mutex;
325 	DECLARE_BITMAP			(pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
326 
327 	/*ras */
328 	struct ras_common_if		*ras_if;
329 };
330 
331 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
332 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
333 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
334 
335 /**
336  * amdgpu_gfx_create_bitmask - create a bitmask
337  *
338  * @bit_width: length of the mask
339  *
340  * create a variable length bit mask.
341  * Returns the bitmask.
342  */
343 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
344 {
345 	return (u32)((1ULL << bit_width) - 1);
346 }
347 
348 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
349 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
350 
351 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
352 				 unsigned max_sh);
353 
354 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
355 			     struct amdgpu_ring *ring,
356 			     struct amdgpu_irq_src *irq);
357 
358 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring,
359 			      struct amdgpu_irq_src *irq);
360 
361 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
362 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
363 			unsigned hpd_size);
364 
365 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
366 			   unsigned mqd_size);
367 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
368 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
369 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
370 
371 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
372 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
373 
374 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
375 				int pipe, int queue);
376 void amdgpu_gfx_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
377 				 int *mec, int *pipe, int *queue);
378 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
379 				     int pipe, int queue);
380 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
381 			       int pipe, int queue);
382 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
383 				int *me, int *pipe, int *queue);
384 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
385 				    int pipe, int queue);
386 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
387 
388 #endif
389