xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __AMDGPU_H__
29 #define __AMDGPU_H__
30 
31 #include <linux/atomic.h>
32 #include <linux/wait.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/interval_tree.h>
36 #include <linux/hashtable.h>
37 #include <linux/fence.h>
38 
39 #include <ttm/ttm_bo_api.h>
40 #include <ttm/ttm_bo_driver.h>
41 #include <ttm/ttm_placement.h>
42 #include <ttm/ttm_module.h>
43 #include <ttm/ttm_execbuf_util.h>
44 
45 #include <drm/drmP.h>
46 #include <drm/drm_gem.h>
47 #include <drm/amdgpu_drm.h>
48 
49 #include "amd_shared.h"
50 #include "amdgpu_mode.h"
51 #include "amdgpu_ih.h"
52 #include "amdgpu_irq.h"
53 #include "amdgpu_ucode.h"
54 #include "amdgpu_gds.h"
55 
56 #include "gpu_scheduler.h"
57 
58 /*
59  * Modules parameters.
60  */
61 extern int amdgpu_modeset;
62 extern int amdgpu_vram_limit;
63 extern int amdgpu_gart_size;
64 extern int amdgpu_benchmarking;
65 extern int amdgpu_testing;
66 extern int amdgpu_audio;
67 extern int amdgpu_disp_priority;
68 extern int amdgpu_hw_i2c;
69 extern int amdgpu_pcie_gen2;
70 extern int amdgpu_msi;
71 extern int amdgpu_lockup_timeout;
72 extern int amdgpu_dpm;
73 extern int amdgpu_smc_load_fw;
74 extern int amdgpu_aspm;
75 extern int amdgpu_runtime_pm;
76 extern int amdgpu_hard_reset;
77 extern unsigned amdgpu_ip_block_mask;
78 extern int amdgpu_bapm;
79 extern int amdgpu_deep_color;
80 extern int amdgpu_vm_size;
81 extern int amdgpu_vm_block_size;
82 extern int amdgpu_enable_scheduler;
83 extern int amdgpu_sched_jobs;
84 extern int amdgpu_sched_hw_submission;
85 extern int amdgpu_enable_semaphores;
86 
87 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
88 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
89 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
90 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
91 #define AMDGPU_IB_POOL_SIZE			16
92 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
93 #define AMDGPUFB_CONN_LIMIT			4
94 #define AMDGPU_BIOS_NUM_SCRATCH			8
95 
96 /* max number of rings */
97 #define AMDGPU_MAX_RINGS			16
98 #define AMDGPU_MAX_GFX_RINGS			1
99 #define AMDGPU_MAX_COMPUTE_RINGS		8
100 #define AMDGPU_MAX_VCE_RINGS			2
101 
102 /* max number of IP instances */
103 #define AMDGPU_MAX_SDMA_INSTANCES		2
104 
105 /* number of hw syncs before falling back on blocking */
106 #define AMDGPU_NUM_SYNCS			4
107 
108 /* hardcode that limit for now */
109 #define AMDGPU_VA_RESERVED_SIZE			(8 << 20)
110 
111 /* hard reset data */
112 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
113 
114 /* reset flags */
115 #define AMDGPU_RESET_GFX			(1 << 0)
116 #define AMDGPU_RESET_COMPUTE			(1 << 1)
117 #define AMDGPU_RESET_DMA			(1 << 2)
118 #define AMDGPU_RESET_CP				(1 << 3)
119 #define AMDGPU_RESET_GRBM			(1 << 4)
120 #define AMDGPU_RESET_DMA1			(1 << 5)
121 #define AMDGPU_RESET_RLC			(1 << 6)
122 #define AMDGPU_RESET_SEM			(1 << 7)
123 #define AMDGPU_RESET_IH				(1 << 8)
124 #define AMDGPU_RESET_VMC			(1 << 9)
125 #define AMDGPU_RESET_MC				(1 << 10)
126 #define AMDGPU_RESET_DISPLAY			(1 << 11)
127 #define AMDGPU_RESET_UVD			(1 << 12)
128 #define AMDGPU_RESET_VCE			(1 << 13)
129 #define AMDGPU_RESET_VCE1			(1 << 14)
130 
131 /* CG block flags */
132 #define AMDGPU_CG_BLOCK_GFX			(1 << 0)
133 #define AMDGPU_CG_BLOCK_MC			(1 << 1)
134 #define AMDGPU_CG_BLOCK_SDMA			(1 << 2)
135 #define AMDGPU_CG_BLOCK_UVD			(1 << 3)
136 #define AMDGPU_CG_BLOCK_VCE			(1 << 4)
137 #define AMDGPU_CG_BLOCK_HDP			(1 << 5)
138 #define AMDGPU_CG_BLOCK_BIF			(1 << 6)
139 
140 /* CG flags */
141 #define AMDGPU_CG_SUPPORT_GFX_MGCG		(1 << 0)
142 #define AMDGPU_CG_SUPPORT_GFX_MGLS		(1 << 1)
143 #define AMDGPU_CG_SUPPORT_GFX_CGCG		(1 << 2)
144 #define AMDGPU_CG_SUPPORT_GFX_CGLS		(1 << 3)
145 #define AMDGPU_CG_SUPPORT_GFX_CGTS		(1 << 4)
146 #define AMDGPU_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
147 #define AMDGPU_CG_SUPPORT_GFX_CP_LS		(1 << 6)
148 #define AMDGPU_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
149 #define AMDGPU_CG_SUPPORT_MC_LS			(1 << 8)
150 #define AMDGPU_CG_SUPPORT_MC_MGCG		(1 << 9)
151 #define AMDGPU_CG_SUPPORT_SDMA_LS		(1 << 10)
152 #define AMDGPU_CG_SUPPORT_SDMA_MGCG		(1 << 11)
153 #define AMDGPU_CG_SUPPORT_BIF_LS		(1 << 12)
154 #define AMDGPU_CG_SUPPORT_UVD_MGCG		(1 << 13)
155 #define AMDGPU_CG_SUPPORT_VCE_MGCG		(1 << 14)
156 #define AMDGPU_CG_SUPPORT_HDP_LS		(1 << 15)
157 #define AMDGPU_CG_SUPPORT_HDP_MGCG		(1 << 16)
158 
159 /* PG flags */
160 #define AMDGPU_PG_SUPPORT_GFX_PG		(1 << 0)
161 #define AMDGPU_PG_SUPPORT_GFX_SMG		(1 << 1)
162 #define AMDGPU_PG_SUPPORT_GFX_DMG		(1 << 2)
163 #define AMDGPU_PG_SUPPORT_UVD			(1 << 3)
164 #define AMDGPU_PG_SUPPORT_VCE			(1 << 4)
165 #define AMDGPU_PG_SUPPORT_CP			(1 << 5)
166 #define AMDGPU_PG_SUPPORT_GDS			(1 << 6)
167 #define AMDGPU_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
168 #define AMDGPU_PG_SUPPORT_SDMA			(1 << 8)
169 #define AMDGPU_PG_SUPPORT_ACP			(1 << 9)
170 #define AMDGPU_PG_SUPPORT_SAMU			(1 << 10)
171 
172 /* GFX current status */
173 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
174 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
175 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
176 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
177 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
178 
179 /* max cursor sizes (in pixels) */
180 #define CIK_CURSOR_WIDTH 128
181 #define CIK_CURSOR_HEIGHT 128
182 
183 struct amdgpu_device;
184 struct amdgpu_fence;
185 struct amdgpu_ib;
186 struct amdgpu_vm;
187 struct amdgpu_ring;
188 struct amdgpu_semaphore;
189 struct amdgpu_cs_parser;
190 struct amdgpu_job;
191 struct amdgpu_irq_src;
192 struct amdgpu_fpriv;
193 
194 enum amdgpu_cp_irq {
195 	AMDGPU_CP_IRQ_GFX_EOP = 0,
196 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
197 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
198 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
199 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
200 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
201 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
202 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
203 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
204 
205 	AMDGPU_CP_IRQ_LAST
206 };
207 
208 enum amdgpu_sdma_irq {
209 	AMDGPU_SDMA_IRQ_TRAP0 = 0,
210 	AMDGPU_SDMA_IRQ_TRAP1,
211 
212 	AMDGPU_SDMA_IRQ_LAST
213 };
214 
215 enum amdgpu_thermal_irq {
216 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
217 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
218 
219 	AMDGPU_THERMAL_IRQ_LAST
220 };
221 
222 int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
223 				  enum amd_ip_block_type block_type,
224 				  enum amd_clockgating_state state);
225 int amdgpu_set_powergating_state(struct amdgpu_device *adev,
226 				  enum amd_ip_block_type block_type,
227 				  enum amd_powergating_state state);
228 
229 struct amdgpu_ip_block_version {
230 	enum amd_ip_block_type type;
231 	u32 major;
232 	u32 minor;
233 	u32 rev;
234 	const struct amd_ip_funcs *funcs;
235 };
236 
237 int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
238 				enum amd_ip_block_type type,
239 				u32 major, u32 minor);
240 
241 const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
242 					struct amdgpu_device *adev,
243 					enum amd_ip_block_type type);
244 
245 /* provided by hw blocks that can move/clear data.  e.g., gfx or sdma */
246 struct amdgpu_buffer_funcs {
247 	/* maximum bytes in a single operation */
248 	uint32_t	copy_max_bytes;
249 
250 	/* number of dw to reserve per operation */
251 	unsigned	copy_num_dw;
252 
253 	/* used for buffer migration */
254 	void (*emit_copy_buffer)(struct amdgpu_ib *ib,
255 				 /* src addr in bytes */
256 				 uint64_t src_offset,
257 				 /* dst addr in bytes */
258 				 uint64_t dst_offset,
259 				 /* number of byte to transfer */
260 				 uint32_t byte_count);
261 
262 	/* maximum bytes in a single operation */
263 	uint32_t	fill_max_bytes;
264 
265 	/* number of dw to reserve per operation */
266 	unsigned	fill_num_dw;
267 
268 	/* used for buffer clearing */
269 	void (*emit_fill_buffer)(struct amdgpu_ib *ib,
270 				 /* value to write to memory */
271 				 uint32_t src_data,
272 				 /* dst addr in bytes */
273 				 uint64_t dst_offset,
274 				 /* number of byte to fill */
275 				 uint32_t byte_count);
276 };
277 
278 /* provided by hw blocks that can write ptes, e.g., sdma */
279 struct amdgpu_vm_pte_funcs {
280 	/* copy pte entries from GART */
281 	void (*copy_pte)(struct amdgpu_ib *ib,
282 			 uint64_t pe, uint64_t src,
283 			 unsigned count);
284 	/* write pte one entry at a time with addr mapping */
285 	void (*write_pte)(struct amdgpu_ib *ib,
286 			  uint64_t pe,
287 			  uint64_t addr, unsigned count,
288 			  uint32_t incr, uint32_t flags);
289 	/* for linear pte/pde updates without addr mapping */
290 	void (*set_pte_pde)(struct amdgpu_ib *ib,
291 			    uint64_t pe,
292 			    uint64_t addr, unsigned count,
293 			    uint32_t incr, uint32_t flags);
294 	/* pad the indirect buffer to the necessary number of dw */
295 	void (*pad_ib)(struct amdgpu_ib *ib);
296 };
297 
298 /* provided by the gmc block */
299 struct amdgpu_gart_funcs {
300 	/* flush the vm tlb via mmio */
301 	void (*flush_gpu_tlb)(struct amdgpu_device *adev,
302 			      uint32_t vmid);
303 	/* write pte/pde updates using the cpu */
304 	int (*set_pte_pde)(struct amdgpu_device *adev,
305 			   void *cpu_pt_addr, /* cpu addr of page table */
306 			   uint32_t gpu_page_idx, /* pte/pde to update */
307 			   uint64_t addr, /* addr to write into pte/pde */
308 			   uint32_t flags); /* access flags */
309 };
310 
311 /* provided by the ih block */
312 struct amdgpu_ih_funcs {
313 	/* ring read/write ptr handling, called from interrupt context */
314 	u32 (*get_wptr)(struct amdgpu_device *adev);
315 	void (*decode_iv)(struct amdgpu_device *adev,
316 			  struct amdgpu_iv_entry *entry);
317 	void (*set_rptr)(struct amdgpu_device *adev);
318 };
319 
320 /* provided by hw blocks that expose a ring buffer for commands */
321 struct amdgpu_ring_funcs {
322 	/* ring read/write ptr handling */
323 	u32 (*get_rptr)(struct amdgpu_ring *ring);
324 	u32 (*get_wptr)(struct amdgpu_ring *ring);
325 	void (*set_wptr)(struct amdgpu_ring *ring);
326 	/* validating and patching of IBs */
327 	int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
328 	/* command emit functions */
329 	void (*emit_ib)(struct amdgpu_ring *ring,
330 			struct amdgpu_ib *ib);
331 	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
332 			   uint64_t seq, unsigned flags);
333 	bool (*emit_semaphore)(struct amdgpu_ring *ring,
334 			       struct amdgpu_semaphore *semaphore,
335 			       bool emit_wait);
336 	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
337 			      uint64_t pd_addr);
338 	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
339 	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
340 				uint32_t gds_base, uint32_t gds_size,
341 				uint32_t gws_base, uint32_t gws_size,
342 				uint32_t oa_base, uint32_t oa_size);
343 	/* testing functions */
344 	int (*test_ring)(struct amdgpu_ring *ring);
345 	int (*test_ib)(struct amdgpu_ring *ring);
346 	bool (*is_lockup)(struct amdgpu_ring *ring);
347 	/* insert NOP packets */
348 	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
349 };
350 
351 /*
352  * BIOS.
353  */
354 bool amdgpu_get_bios(struct amdgpu_device *adev);
355 bool amdgpu_read_bios(struct amdgpu_device *adev);
356 
357 /*
358  * Dummy page
359  */
360 struct amdgpu_dummy_page {
361 	struct page	*page;
362 	dma_addr_t	addr;
363 };
364 int amdgpu_dummy_page_init(struct amdgpu_device *adev);
365 void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
366 
367 
368 /*
369  * Clocks
370  */
371 
372 #define AMDGPU_MAX_PPLL 3
373 
374 struct amdgpu_clock {
375 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
376 	struct amdgpu_pll spll;
377 	struct amdgpu_pll mpll;
378 	/* 10 Khz units */
379 	uint32_t default_mclk;
380 	uint32_t default_sclk;
381 	uint32_t default_dispclk;
382 	uint32_t current_dispclk;
383 	uint32_t dp_extclk;
384 	uint32_t max_pixel_clock;
385 };
386 
387 /*
388  * Fences.
389  */
390 struct amdgpu_fence_driver {
391 	struct amdgpu_ring		*ring;
392 	uint64_t			gpu_addr;
393 	volatile uint32_t		*cpu_addr;
394 	/* sync_seq is protected by ring emission lock */
395 	uint64_t			sync_seq[AMDGPU_MAX_RINGS];
396 	atomic64_t			last_seq;
397 	bool				initialized;
398 	struct amdgpu_irq_src		*irq_src;
399 	unsigned			irq_type;
400 	struct delayed_work             lockup_work;
401 	wait_queue_head_t		fence_queue;
402 };
403 
404 /* some special values for the owner field */
405 #define AMDGPU_FENCE_OWNER_UNDEFINED	((void*)0ul)
406 #define AMDGPU_FENCE_OWNER_VM		((void*)1ul)
407 #define AMDGPU_FENCE_OWNER_MOVE		((void*)2ul)
408 
409 #define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
410 #define AMDGPU_FENCE_FLAG_INT           (1 << 1)
411 
412 struct amdgpu_fence {
413 	struct fence base;
414 
415 	/* RB, DMA, etc. */
416 	struct amdgpu_ring		*ring;
417 	uint64_t			seq;
418 
419 	/* filp or special value for fence creator */
420 	void				*owner;
421 
422 	wait_queue_t			fence_wake;
423 };
424 
425 struct amdgpu_user_fence {
426 	/* write-back bo */
427 	struct amdgpu_bo 	*bo;
428 	/* write-back address offset to bo start */
429 	uint32_t                offset;
430 };
431 
432 int amdgpu_fence_driver_init(struct amdgpu_device *adev);
433 void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
434 void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
435 
436 int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
437 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
438 				   struct amdgpu_irq_src *irq_src,
439 				   unsigned irq_type);
440 void amdgpu_fence_driver_suspend(struct amdgpu_device *adev);
441 void amdgpu_fence_driver_resume(struct amdgpu_device *adev);
442 int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
443 		      struct amdgpu_fence **fence);
444 void amdgpu_fence_process(struct amdgpu_ring *ring);
445 int amdgpu_fence_wait_next(struct amdgpu_ring *ring);
446 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
447 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
448 
449 signed long amdgpu_fence_wait_any(struct amdgpu_device *adev,
450 				  struct fence **array,
451 				  uint32_t count,
452 				  bool intr,
453 				  signed long t);
454 struct amdgpu_fence *amdgpu_fence_ref(struct amdgpu_fence *fence);
455 void amdgpu_fence_unref(struct amdgpu_fence **fence);
456 
457 bool amdgpu_fence_need_sync(struct amdgpu_fence *fence,
458 			    struct amdgpu_ring *ring);
459 void amdgpu_fence_note_sync(struct amdgpu_fence *fence,
460 			    struct amdgpu_ring *ring);
461 
462 static inline struct amdgpu_fence *amdgpu_fence_later(struct amdgpu_fence *a,
463 						      struct amdgpu_fence *b)
464 {
465 	if (!a) {
466 		return b;
467 	}
468 
469 	if (!b) {
470 		return a;
471 	}
472 
473 	BUG_ON(a->ring != b->ring);
474 
475 	if (a->seq > b->seq) {
476 		return a;
477 	} else {
478 		return b;
479 	}
480 }
481 
482 static inline bool amdgpu_fence_is_earlier(struct amdgpu_fence *a,
483 					   struct amdgpu_fence *b)
484 {
485 	if (!a) {
486 		return false;
487 	}
488 
489 	if (!b) {
490 		return true;
491 	}
492 
493 	BUG_ON(a->ring != b->ring);
494 
495 	return a->seq < b->seq;
496 }
497 
498 int amdgpu_user_fence_emit(struct amdgpu_ring *ring, struct amdgpu_user_fence *user,
499 			   void *owner, struct amdgpu_fence **fence);
500 
501 /*
502  * TTM.
503  */
504 struct amdgpu_mman {
505 	struct ttm_bo_global_ref        bo_global_ref;
506 	struct drm_global_reference	mem_global_ref;
507 	struct ttm_bo_device		bdev;
508 	bool				mem_global_referenced;
509 	bool				initialized;
510 
511 #if defined(CONFIG_DEBUG_FS)
512 	struct dentry			*vram;
513 	struct dentry			*gtt;
514 #endif
515 
516 	/* buffer handling */
517 	const struct amdgpu_buffer_funcs	*buffer_funcs;
518 	struct amdgpu_ring			*buffer_funcs_ring;
519 };
520 
521 int amdgpu_copy_buffer(struct amdgpu_ring *ring,
522 		       uint64_t src_offset,
523 		       uint64_t dst_offset,
524 		       uint32_t byte_count,
525 		       struct reservation_object *resv,
526 		       struct fence **fence);
527 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
528 
529 struct amdgpu_bo_list_entry {
530 	struct amdgpu_bo		*robj;
531 	struct ttm_validate_buffer	tv;
532 	struct amdgpu_bo_va		*bo_va;
533 	unsigned			prefered_domains;
534 	unsigned			allowed_domains;
535 	uint32_t			priority;
536 };
537 
538 struct amdgpu_bo_va_mapping {
539 	struct list_head		list;
540 	struct interval_tree_node	it;
541 	uint64_t			offset;
542 	uint32_t			flags;
543 };
544 
545 /* bo virtual addresses in a specific vm */
546 struct amdgpu_bo_va {
547 	/* protected by bo being reserved */
548 	struct list_head		bo_list;
549 	struct fence		        *last_pt_update;
550 	unsigned			ref_count;
551 
552 	/* protected by vm mutex and spinlock */
553 	struct list_head		vm_status;
554 
555 	/* mappings for this bo_va */
556 	struct list_head		invalids;
557 	struct list_head		valids;
558 
559 	/* constant after initialization */
560 	struct amdgpu_vm		*vm;
561 	struct amdgpu_bo		*bo;
562 };
563 
564 #define AMDGPU_GEM_DOMAIN_MAX		0x3
565 
566 struct amdgpu_bo {
567 	/* Protected by gem.mutex */
568 	struct list_head		list;
569 	/* Protected by tbo.reserved */
570 	u32				initial_domain;
571 	struct ttm_place		placements[AMDGPU_GEM_DOMAIN_MAX + 1];
572 	struct ttm_placement		placement;
573 	struct ttm_buffer_object	tbo;
574 	struct ttm_bo_kmap_obj		kmap;
575 	u64				flags;
576 	unsigned			pin_count;
577 	void				*kptr;
578 	u64				tiling_flags;
579 	u64				metadata_flags;
580 	void				*metadata;
581 	u32				metadata_size;
582 	/* list of all virtual address to which this bo
583 	 * is associated to
584 	 */
585 	struct list_head		va;
586 	/* Constant after initialization */
587 	struct amdgpu_device		*adev;
588 	struct drm_gem_object		gem_base;
589 
590 	struct ttm_bo_kmap_obj		dma_buf_vmap;
591 	pid_t				pid;
592 	struct amdgpu_mn		*mn;
593 	struct list_head		mn_list;
594 };
595 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
596 
597 void amdgpu_gem_object_free(struct drm_gem_object *obj);
598 int amdgpu_gem_object_open(struct drm_gem_object *obj,
599 				struct drm_file *file_priv);
600 void amdgpu_gem_object_close(struct drm_gem_object *obj,
601 				struct drm_file *file_priv);
602 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
603 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
604 struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
605 							struct dma_buf_attachment *attach,
606 							struct sg_table *sg);
607 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
608 					struct drm_gem_object *gobj,
609 					int flags);
610 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
611 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
612 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
613 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
614 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
615 int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
616 
617 /* sub-allocation manager, it has to be protected by another lock.
618  * By conception this is an helper for other part of the driver
619  * like the indirect buffer or semaphore, which both have their
620  * locking.
621  *
622  * Principe is simple, we keep a list of sub allocation in offset
623  * order (first entry has offset == 0, last entry has the highest
624  * offset).
625  *
626  * When allocating new object we first check if there is room at
627  * the end total_size - (last_object_offset + last_object_size) >=
628  * alloc_size. If so we allocate new object there.
629  *
630  * When there is not enough room at the end, we start waiting for
631  * each sub object until we reach object_offset+object_size >=
632  * alloc_size, this object then become the sub object we return.
633  *
634  * Alignment can't be bigger than page size.
635  *
636  * Hole are not considered for allocation to keep things simple.
637  * Assumption is that there won't be hole (all object on same
638  * alignment).
639  */
640 struct amdgpu_sa_manager {
641 	wait_queue_head_t	wq;
642 	struct amdgpu_bo	*bo;
643 	struct list_head	*hole;
644 	struct list_head	flist[AMDGPU_MAX_RINGS];
645 	struct list_head	olist;
646 	unsigned		size;
647 	uint64_t		gpu_addr;
648 	void			*cpu_ptr;
649 	uint32_t		domain;
650 	uint32_t		align;
651 };
652 
653 struct amdgpu_sa_bo;
654 
655 /* sub-allocation buffer */
656 struct amdgpu_sa_bo {
657 	struct list_head		olist;
658 	struct list_head		flist;
659 	struct amdgpu_sa_manager	*manager;
660 	unsigned			soffset;
661 	unsigned			eoffset;
662 	struct fence		        *fence;
663 };
664 
665 /*
666  * GEM objects.
667  */
668 struct amdgpu_gem {
669 	struct mutex		mutex;
670 	struct list_head	objects;
671 };
672 
673 int amdgpu_gem_init(struct amdgpu_device *adev);
674 void amdgpu_gem_fini(struct amdgpu_device *adev);
675 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
676 				int alignment, u32 initial_domain,
677 				u64 flags, bool kernel,
678 				struct drm_gem_object **obj);
679 
680 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
681 			    struct drm_device *dev,
682 			    struct drm_mode_create_dumb *args);
683 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
684 			  struct drm_device *dev,
685 			  uint32_t handle, uint64_t *offset_p);
686 
687 /*
688  * Semaphores.
689  */
690 struct amdgpu_semaphore {
691 	struct amdgpu_sa_bo	*sa_bo;
692 	signed			waiters;
693 	uint64_t		gpu_addr;
694 };
695 
696 int amdgpu_semaphore_create(struct amdgpu_device *adev,
697 			    struct amdgpu_semaphore **semaphore);
698 bool amdgpu_semaphore_emit_signal(struct amdgpu_ring *ring,
699 				  struct amdgpu_semaphore *semaphore);
700 bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring,
701 				struct amdgpu_semaphore *semaphore);
702 void amdgpu_semaphore_free(struct amdgpu_device *adev,
703 			   struct amdgpu_semaphore **semaphore,
704 			   struct fence *fence);
705 
706 /*
707  * Synchronization
708  */
709 struct amdgpu_sync {
710 	struct amdgpu_semaphore *semaphores[AMDGPU_NUM_SYNCS];
711 	struct amdgpu_fence	*sync_to[AMDGPU_MAX_RINGS];
712 	DECLARE_HASHTABLE(fences, 4);
713 	struct fence	        *last_vm_update;
714 };
715 
716 void amdgpu_sync_create(struct amdgpu_sync *sync);
717 int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
718 		      struct fence *f);
719 int amdgpu_sync_resv(struct amdgpu_device *adev,
720 		     struct amdgpu_sync *sync,
721 		     struct reservation_object *resv,
722 		     void *owner);
723 int amdgpu_sync_rings(struct amdgpu_sync *sync,
724 		      struct amdgpu_ring *ring);
725 struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
726 int amdgpu_sync_wait(struct amdgpu_sync *sync);
727 void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync,
728 		      struct fence *fence);
729 
730 /*
731  * GART structures, functions & helpers
732  */
733 struct amdgpu_mc;
734 
735 #define AMDGPU_GPU_PAGE_SIZE 4096
736 #define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
737 #define AMDGPU_GPU_PAGE_SHIFT 12
738 #define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
739 
740 struct amdgpu_gart {
741 	dma_addr_t			table_addr;
742 	struct amdgpu_bo		*robj;
743 	void				*ptr;
744 	unsigned			num_gpu_pages;
745 	unsigned			num_cpu_pages;
746 	unsigned			table_size;
747 	struct page			**pages;
748 	dma_addr_t			*pages_addr;
749 	bool				ready;
750 	const struct amdgpu_gart_funcs *gart_funcs;
751 };
752 
753 int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
754 void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
755 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
756 void amdgpu_gart_table_vram_free(struct amdgpu_device *adev);
757 int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
758 void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
759 int amdgpu_gart_init(struct amdgpu_device *adev);
760 void amdgpu_gart_fini(struct amdgpu_device *adev);
761 void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
762 			int pages);
763 int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
764 		     int pages, struct page **pagelist,
765 		     dma_addr_t *dma_addr, uint32_t flags);
766 
767 /*
768  * GPU MC structures, functions & helpers
769  */
770 struct amdgpu_mc {
771 	resource_size_t		aper_size;
772 	resource_size_t		aper_base;
773 	resource_size_t		agp_base;
774 	/* for some chips with <= 32MB we need to lie
775 	 * about vram size near mc fb location */
776 	u64			mc_vram_size;
777 	u64			visible_vram_size;
778 	u64			gtt_size;
779 	u64			gtt_start;
780 	u64			gtt_end;
781 	u64			vram_start;
782 	u64			vram_end;
783 	unsigned		vram_width;
784 	u64			real_vram_size;
785 	int			vram_mtrr;
786 	u64                     gtt_base_align;
787 	u64                     mc_mask;
788 	const struct firmware   *fw;	/* MC firmware */
789 	uint32_t                fw_version;
790 	struct amdgpu_irq_src	vm_fault;
791 	uint32_t		vram_type;
792 };
793 
794 /*
795  * GPU doorbell structures, functions & helpers
796  */
797 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
798 {
799 	AMDGPU_DOORBELL_KIQ                     = 0x000,
800 	AMDGPU_DOORBELL_HIQ                     = 0x001,
801 	AMDGPU_DOORBELL_DIQ                     = 0x002,
802 	AMDGPU_DOORBELL_MEC_RING0               = 0x010,
803 	AMDGPU_DOORBELL_MEC_RING1               = 0x011,
804 	AMDGPU_DOORBELL_MEC_RING2               = 0x012,
805 	AMDGPU_DOORBELL_MEC_RING3               = 0x013,
806 	AMDGPU_DOORBELL_MEC_RING4               = 0x014,
807 	AMDGPU_DOORBELL_MEC_RING5               = 0x015,
808 	AMDGPU_DOORBELL_MEC_RING6               = 0x016,
809 	AMDGPU_DOORBELL_MEC_RING7               = 0x017,
810 	AMDGPU_DOORBELL_GFX_RING0               = 0x020,
811 	AMDGPU_DOORBELL_sDMA_ENGINE0            = 0x1E0,
812 	AMDGPU_DOORBELL_sDMA_ENGINE1            = 0x1E1,
813 	AMDGPU_DOORBELL_IH                      = 0x1E8,
814 	AMDGPU_DOORBELL_MAX_ASSIGNMENT          = 0x3FF,
815 	AMDGPU_DOORBELL_INVALID                 = 0xFFFF
816 } AMDGPU_DOORBELL_ASSIGNMENT;
817 
818 struct amdgpu_doorbell {
819 	/* doorbell mmio */
820 	resource_size_t		base;
821 	resource_size_t		size;
822 	u32 __iomem		*ptr;
823 	u32			num_doorbells;	/* Number of doorbells actually reserved for amdgpu. */
824 };
825 
826 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
827 				phys_addr_t *aperture_base,
828 				size_t *aperture_size,
829 				size_t *start_offset);
830 
831 /*
832  * IRQS.
833  */
834 
835 struct amdgpu_flip_work {
836 	struct work_struct		flip_work;
837 	struct work_struct		unpin_work;
838 	struct amdgpu_device		*adev;
839 	int				crtc_id;
840 	uint64_t			base;
841 	struct drm_pending_vblank_event *event;
842 	struct amdgpu_bo		*old_rbo;
843 	struct fence			*excl;
844 	unsigned			shared_count;
845 	struct fence			**shared;
846 };
847 
848 
849 /*
850  * CP & rings.
851  */
852 
853 struct amdgpu_ib {
854 	struct amdgpu_sa_bo		*sa_bo;
855 	uint32_t			length_dw;
856 	uint64_t			gpu_addr;
857 	uint32_t			*ptr;
858 	struct amdgpu_ring		*ring;
859 	struct amdgpu_fence		*fence;
860 	struct amdgpu_user_fence        *user;
861 	struct amdgpu_vm		*vm;
862 	struct amdgpu_ctx		*ctx;
863 	struct amdgpu_sync		sync;
864 	uint32_t			gds_base, gds_size;
865 	uint32_t			gws_base, gws_size;
866 	uint32_t			oa_base, oa_size;
867 	uint32_t			flags;
868 	/* resulting sequence number */
869 	uint64_t			sequence;
870 };
871 
872 enum amdgpu_ring_type {
873 	AMDGPU_RING_TYPE_GFX,
874 	AMDGPU_RING_TYPE_COMPUTE,
875 	AMDGPU_RING_TYPE_SDMA,
876 	AMDGPU_RING_TYPE_UVD,
877 	AMDGPU_RING_TYPE_VCE
878 };
879 
880 extern struct amd_sched_backend_ops amdgpu_sched_ops;
881 
882 int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
883 					 struct amdgpu_ring *ring,
884 					 struct amdgpu_ib *ibs,
885 					 unsigned num_ibs,
886 					 int (*free_job)(struct amdgpu_job *),
887 					 void *owner,
888 					 struct fence **fence);
889 
890 struct amdgpu_ring {
891 	struct amdgpu_device		*adev;
892 	const struct amdgpu_ring_funcs	*funcs;
893 	struct amdgpu_fence_driver	fence_drv;
894 	struct amd_gpu_scheduler 	sched;
895 
896 	spinlock_t              fence_lock;
897 	struct mutex		*ring_lock;
898 	struct amdgpu_bo	*ring_obj;
899 	volatile uint32_t	*ring;
900 	unsigned		rptr_offs;
901 	u64			next_rptr_gpu_addr;
902 	volatile u32		*next_rptr_cpu_addr;
903 	unsigned		wptr;
904 	unsigned		wptr_old;
905 	unsigned		ring_size;
906 	unsigned		ring_free_dw;
907 	int			count_dw;
908 	atomic_t		last_rptr;
909 	atomic64_t		last_activity;
910 	uint64_t		gpu_addr;
911 	uint32_t		align_mask;
912 	uint32_t		ptr_mask;
913 	bool			ready;
914 	u32			nop;
915 	u32			idx;
916 	u64			last_semaphore_signal_addr;
917 	u64			last_semaphore_wait_addr;
918 	u32			me;
919 	u32			pipe;
920 	u32			queue;
921 	struct amdgpu_bo	*mqd_obj;
922 	u32			doorbell_index;
923 	bool			use_doorbell;
924 	unsigned		wptr_offs;
925 	unsigned		next_rptr_offs;
926 	unsigned		fence_offs;
927 	struct amdgpu_ctx	*current_ctx;
928 	enum amdgpu_ring_type	type;
929 	char			name[16];
930 	bool                    is_pte_ring;
931 };
932 
933 /*
934  * VM
935  */
936 
937 /* maximum number of VMIDs */
938 #define AMDGPU_NUM_VM	16
939 
940 /* number of entries in page table */
941 #define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
942 
943 /* PTBs (Page Table Blocks) need to be aligned to 32K */
944 #define AMDGPU_VM_PTB_ALIGN_SIZE   32768
945 #define AMDGPU_VM_PTB_ALIGN_MASK (AMDGPU_VM_PTB_ALIGN_SIZE - 1)
946 #define AMDGPU_VM_PTB_ALIGN(a) (((a) + AMDGPU_VM_PTB_ALIGN_MASK) & ~AMDGPU_VM_PTB_ALIGN_MASK)
947 
948 #define AMDGPU_PTE_VALID	(1 << 0)
949 #define AMDGPU_PTE_SYSTEM	(1 << 1)
950 #define AMDGPU_PTE_SNOOPED	(1 << 2)
951 
952 /* VI only */
953 #define AMDGPU_PTE_EXECUTABLE	(1 << 4)
954 
955 #define AMDGPU_PTE_READABLE	(1 << 5)
956 #define AMDGPU_PTE_WRITEABLE	(1 << 6)
957 
958 /* PTE (Page Table Entry) fragment field for different page sizes */
959 #define AMDGPU_PTE_FRAG_4KB	(0 << 7)
960 #define AMDGPU_PTE_FRAG_64KB	(4 << 7)
961 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
962 
963 struct amdgpu_vm_pt {
964 	struct amdgpu_bo		*bo;
965 	uint64_t			addr;
966 };
967 
968 struct amdgpu_vm_id {
969 	unsigned		id;
970 	uint64_t		pd_gpu_addr;
971 	/* last flushed PD/PT update */
972 	struct fence	        *flushed_updates;
973 	/* last use of vmid */
974 	struct amdgpu_fence	*last_id_use;
975 };
976 
977 struct amdgpu_vm {
978 	struct mutex		mutex;
979 
980 	struct rb_root		va;
981 
982 	/* protecting invalidated */
983 	spinlock_t		status_lock;
984 
985 	/* BOs moved, but not yet updated in the PT */
986 	struct list_head	invalidated;
987 
988 	/* BOs cleared in the PT because of a move */
989 	struct list_head	cleared;
990 
991 	/* BO mappings freed, but not yet updated in the PT */
992 	struct list_head	freed;
993 
994 	/* contains the page directory */
995 	struct amdgpu_bo	*page_directory;
996 	unsigned		max_pde_used;
997 	struct fence		*page_directory_fence;
998 
999 	/* array of page tables, one for each page directory entry */
1000 	struct amdgpu_vm_pt	*page_tables;
1001 
1002 	/* for id and flush management per ring */
1003 	struct amdgpu_vm_id	ids[AMDGPU_MAX_RINGS];
1004 };
1005 
1006 struct amdgpu_vm_manager {
1007 	struct amdgpu_fence		*active[AMDGPU_NUM_VM];
1008 	uint32_t			max_pfn;
1009 	/* number of VMIDs */
1010 	unsigned			nvm;
1011 	/* vram base address for page table entry  */
1012 	u64				vram_base_offset;
1013 	/* is vm enabled? */
1014 	bool				enabled;
1015 	/* for hw to save the PD addr on suspend/resume */
1016 	uint32_t			saved_table_addr[AMDGPU_NUM_VM];
1017 	/* vm pte handling */
1018 	const struct amdgpu_vm_pte_funcs        *vm_pte_funcs;
1019 	struct amdgpu_ring                      *vm_pte_funcs_ring;
1020 };
1021 
1022 /*
1023  * context related structures
1024  */
1025 
1026 #define AMDGPU_CTX_MAX_CS_PENDING	16
1027 
1028 struct amdgpu_ctx_ring {
1029 	uint64_t		sequence;
1030 	struct fence		*fences[AMDGPU_CTX_MAX_CS_PENDING];
1031 	struct amd_sched_entity	entity;
1032 };
1033 
1034 struct amdgpu_ctx {
1035 	struct kref		refcount;
1036 	struct amdgpu_device    *adev;
1037 	unsigned		reset_counter;
1038 	spinlock_t		ring_lock;
1039 	struct amdgpu_ctx_ring	rings[AMDGPU_MAX_RINGS];
1040 };
1041 
1042 struct amdgpu_ctx_mgr {
1043 	struct amdgpu_device	*adev;
1044 	struct mutex		lock;
1045 	/* protected by lock */
1046 	struct idr		ctx_handles;
1047 };
1048 
1049 int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel,
1050 		    struct amdgpu_ctx *ctx);
1051 void amdgpu_ctx_fini(struct amdgpu_ctx *ctx);
1052 
1053 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
1054 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
1055 
1056 uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
1057 			      struct fence *fence);
1058 struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
1059 				   struct amdgpu_ring *ring, uint64_t seq);
1060 
1061 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
1062 		     struct drm_file *filp);
1063 
1064 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
1065 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
1066 
1067 /*
1068  * file private structure
1069  */
1070 
1071 struct amdgpu_fpriv {
1072 	struct amdgpu_vm	vm;
1073 	struct mutex		bo_list_lock;
1074 	struct idr		bo_list_handles;
1075 	struct amdgpu_ctx_mgr	ctx_mgr;
1076 };
1077 
1078 /*
1079  * residency list
1080  */
1081 
1082 struct amdgpu_bo_list {
1083 	struct mutex lock;
1084 	struct amdgpu_bo *gds_obj;
1085 	struct amdgpu_bo *gws_obj;
1086 	struct amdgpu_bo *oa_obj;
1087 	bool has_userptr;
1088 	unsigned num_entries;
1089 	struct amdgpu_bo_list_entry *array;
1090 };
1091 
1092 struct amdgpu_bo_list *
1093 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
1094 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
1095 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
1096 
1097 /*
1098  * GFX stuff
1099  */
1100 #include "clearstate_defs.h"
1101 
1102 struct amdgpu_rlc {
1103 	/* for power gating */
1104 	struct amdgpu_bo	*save_restore_obj;
1105 	uint64_t		save_restore_gpu_addr;
1106 	volatile uint32_t	*sr_ptr;
1107 	const u32               *reg_list;
1108 	u32                     reg_list_size;
1109 	/* for clear state */
1110 	struct amdgpu_bo	*clear_state_obj;
1111 	uint64_t		clear_state_gpu_addr;
1112 	volatile uint32_t	*cs_ptr;
1113 	const struct cs_section_def   *cs_data;
1114 	u32                     clear_state_size;
1115 	/* for cp tables */
1116 	struct amdgpu_bo	*cp_table_obj;
1117 	uint64_t		cp_table_gpu_addr;
1118 	volatile uint32_t	*cp_table_ptr;
1119 	u32                     cp_table_size;
1120 };
1121 
1122 struct amdgpu_mec {
1123 	struct amdgpu_bo	*hpd_eop_obj;
1124 	u64			hpd_eop_gpu_addr;
1125 	u32 num_pipe;
1126 	u32 num_mec;
1127 	u32 num_queue;
1128 };
1129 
1130 /*
1131  * GPU scratch registers structures, functions & helpers
1132  */
1133 struct amdgpu_scratch {
1134 	unsigned		num_reg;
1135 	uint32_t                reg_base;
1136 	bool			free[32];
1137 	uint32_t		reg[32];
1138 };
1139 
1140 /*
1141  * GFX configurations
1142  */
1143 struct amdgpu_gca_config {
1144 	unsigned max_shader_engines;
1145 	unsigned max_tile_pipes;
1146 	unsigned max_cu_per_sh;
1147 	unsigned max_sh_per_se;
1148 	unsigned max_backends_per_se;
1149 	unsigned max_texture_channel_caches;
1150 	unsigned max_gprs;
1151 	unsigned max_gs_threads;
1152 	unsigned max_hw_contexts;
1153 	unsigned sc_prim_fifo_size_frontend;
1154 	unsigned sc_prim_fifo_size_backend;
1155 	unsigned sc_hiz_tile_fifo_size;
1156 	unsigned sc_earlyz_tile_fifo_size;
1157 
1158 	unsigned num_tile_pipes;
1159 	unsigned backend_enable_mask;
1160 	unsigned mem_max_burst_length_bytes;
1161 	unsigned mem_row_size_in_kb;
1162 	unsigned shader_engine_tile_size;
1163 	unsigned num_gpus;
1164 	unsigned multi_gpu_tile_size;
1165 	unsigned mc_arb_ramcfg;
1166 	unsigned gb_addr_config;
1167 
1168 	uint32_t tile_mode_array[32];
1169 	uint32_t macrotile_mode_array[16];
1170 };
1171 
1172 struct amdgpu_gfx {
1173 	struct mutex			gpu_clock_mutex;
1174 	struct amdgpu_gca_config	config;
1175 	struct amdgpu_rlc		rlc;
1176 	struct amdgpu_mec		mec;
1177 	struct amdgpu_scratch		scratch;
1178 	const struct firmware		*me_fw;	/* ME firmware */
1179 	uint32_t			me_fw_version;
1180 	const struct firmware		*pfp_fw; /* PFP firmware */
1181 	uint32_t			pfp_fw_version;
1182 	const struct firmware		*ce_fw;	/* CE firmware */
1183 	uint32_t			ce_fw_version;
1184 	const struct firmware		*rlc_fw; /* RLC firmware */
1185 	uint32_t			rlc_fw_version;
1186 	const struct firmware		*mec_fw; /* MEC firmware */
1187 	uint32_t			mec_fw_version;
1188 	const struct firmware		*mec2_fw; /* MEC2 firmware */
1189 	uint32_t			mec2_fw_version;
1190 	uint32_t			me_feature_version;
1191 	uint32_t			ce_feature_version;
1192 	uint32_t			pfp_feature_version;
1193 	uint32_t			rlc_feature_version;
1194 	uint32_t			mec_feature_version;
1195 	uint32_t			mec2_feature_version;
1196 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
1197 	unsigned			num_gfx_rings;
1198 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
1199 	unsigned			num_compute_rings;
1200 	struct amdgpu_irq_src		eop_irq;
1201 	struct amdgpu_irq_src		priv_reg_irq;
1202 	struct amdgpu_irq_src		priv_inst_irq;
1203 	/* gfx status */
1204 	uint32_t gfx_current_status;
1205 	/* ce ram size*/
1206 	unsigned ce_ram_size;
1207 };
1208 
1209 int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
1210 		  unsigned size, struct amdgpu_ib *ib);
1211 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib);
1212 int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
1213 		       struct amdgpu_ib *ib, void *owner);
1214 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
1215 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
1216 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
1217 /* Ring access between begin & end cannot sleep */
1218 void amdgpu_ring_free_size(struct amdgpu_ring *ring);
1219 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
1220 int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
1221 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
1222 void amdgpu_ring_commit(struct amdgpu_ring *ring);
1223 void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
1224 void amdgpu_ring_undo(struct amdgpu_ring *ring);
1225 void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
1226 void amdgpu_ring_lockup_update(struct amdgpu_ring *ring);
1227 bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring);
1228 unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
1229 			    uint32_t **data);
1230 int amdgpu_ring_restore(struct amdgpu_ring *ring,
1231 			unsigned size, uint32_t *data);
1232 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
1233 		     unsigned ring_size, u32 nop, u32 align_mask,
1234 		     struct amdgpu_irq_src *irq_src, unsigned irq_type,
1235 		     enum amdgpu_ring_type ring_type);
1236 void amdgpu_ring_fini(struct amdgpu_ring *ring);
1237 
1238 /*
1239  * CS.
1240  */
1241 struct amdgpu_cs_chunk {
1242 	uint32_t		chunk_id;
1243 	uint32_t		length_dw;
1244 	uint32_t		*kdata;
1245 	void __user		*user_ptr;
1246 };
1247 
1248 struct amdgpu_cs_parser {
1249 	struct amdgpu_device	*adev;
1250 	struct drm_file		*filp;
1251 	struct amdgpu_ctx	*ctx;
1252 	struct amdgpu_bo_list *bo_list;
1253 	/* chunks */
1254 	unsigned		nchunks;
1255 	struct amdgpu_cs_chunk	*chunks;
1256 	/* relocations */
1257 	struct amdgpu_bo_list_entry	*vm_bos;
1258 	struct list_head	validated;
1259 
1260 	struct amdgpu_ib	*ibs;
1261 	uint32_t		num_ibs;
1262 
1263 	struct ww_acquire_ctx	ticket;
1264 
1265 	/* user fence */
1266 	struct amdgpu_user_fence uf;
1267 };
1268 
1269 struct amdgpu_job {
1270 	struct amd_sched_job    base;
1271 	struct amdgpu_device	*adev;
1272 	struct amdgpu_ib	*ibs;
1273 	uint32_t		num_ibs;
1274 	struct mutex            job_lock;
1275 	struct amdgpu_user_fence uf;
1276 	int (*free_job)(struct amdgpu_job *job);
1277 };
1278 #define to_amdgpu_job(sched_job)		\
1279 		container_of((sched_job), struct amdgpu_job, base)
1280 
1281 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
1282 {
1283 	return p->ibs[ib_idx].ptr[idx];
1284 }
1285 
1286 /*
1287  * Writeback
1288  */
1289 #define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1290 
1291 struct amdgpu_wb {
1292 	struct amdgpu_bo	*wb_obj;
1293 	volatile uint32_t	*wb;
1294 	uint64_t		gpu_addr;
1295 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
1296 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1297 };
1298 
1299 int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
1300 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
1301 
1302 /**
1303  * struct amdgpu_pm - power management datas
1304  * It keeps track of various data needed to take powermanagement decision.
1305  */
1306 
1307 enum amdgpu_pm_state_type {
1308 	/* not used for dpm */
1309 	POWER_STATE_TYPE_DEFAULT,
1310 	POWER_STATE_TYPE_POWERSAVE,
1311 	/* user selectable states */
1312 	POWER_STATE_TYPE_BATTERY,
1313 	POWER_STATE_TYPE_BALANCED,
1314 	POWER_STATE_TYPE_PERFORMANCE,
1315 	/* internal states */
1316 	POWER_STATE_TYPE_INTERNAL_UVD,
1317 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1318 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1319 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1320 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1321 	POWER_STATE_TYPE_INTERNAL_BOOT,
1322 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1323 	POWER_STATE_TYPE_INTERNAL_ACPI,
1324 	POWER_STATE_TYPE_INTERNAL_ULV,
1325 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1326 };
1327 
1328 enum amdgpu_int_thermal_type {
1329 	THERMAL_TYPE_NONE,
1330 	THERMAL_TYPE_EXTERNAL,
1331 	THERMAL_TYPE_EXTERNAL_GPIO,
1332 	THERMAL_TYPE_RV6XX,
1333 	THERMAL_TYPE_RV770,
1334 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1335 	THERMAL_TYPE_EVERGREEN,
1336 	THERMAL_TYPE_SUMO,
1337 	THERMAL_TYPE_NI,
1338 	THERMAL_TYPE_SI,
1339 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1340 	THERMAL_TYPE_CI,
1341 	THERMAL_TYPE_KV,
1342 };
1343 
1344 enum amdgpu_dpm_auto_throttle_src {
1345 	AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
1346 	AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1347 };
1348 
1349 enum amdgpu_dpm_event_src {
1350 	AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
1351 	AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
1352 	AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
1353 	AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1354 	AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1355 };
1356 
1357 #define AMDGPU_MAX_VCE_LEVELS 6
1358 
1359 enum amdgpu_vce_level {
1360 	AMDGPU_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1361 	AMDGPU_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1362 	AMDGPU_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1363 	AMDGPU_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1364 	AMDGPU_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1365 	AMDGPU_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1366 };
1367 
1368 struct amdgpu_ps {
1369 	u32 caps; /* vbios flags */
1370 	u32 class; /* vbios flags */
1371 	u32 class2; /* vbios flags */
1372 	/* UVD clocks */
1373 	u32 vclk;
1374 	u32 dclk;
1375 	/* VCE clocks */
1376 	u32 evclk;
1377 	u32 ecclk;
1378 	bool vce_active;
1379 	enum amdgpu_vce_level vce_level;
1380 	/* asic priv */
1381 	void *ps_priv;
1382 };
1383 
1384 struct amdgpu_dpm_thermal {
1385 	/* thermal interrupt work */
1386 	struct work_struct work;
1387 	/* low temperature threshold */
1388 	int                min_temp;
1389 	/* high temperature threshold */
1390 	int                max_temp;
1391 	/* was last interrupt low to high or high to low */
1392 	bool               high_to_low;
1393 	/* interrupt source */
1394 	struct amdgpu_irq_src	irq;
1395 };
1396 
1397 enum amdgpu_clk_action
1398 {
1399 	AMDGPU_SCLK_UP = 1,
1400 	AMDGPU_SCLK_DOWN
1401 };
1402 
1403 struct amdgpu_blacklist_clocks
1404 {
1405 	u32 sclk;
1406 	u32 mclk;
1407 	enum amdgpu_clk_action action;
1408 };
1409 
1410 struct amdgpu_clock_and_voltage_limits {
1411 	u32 sclk;
1412 	u32 mclk;
1413 	u16 vddc;
1414 	u16 vddci;
1415 };
1416 
1417 struct amdgpu_clock_array {
1418 	u32 count;
1419 	u32 *values;
1420 };
1421 
1422 struct amdgpu_clock_voltage_dependency_entry {
1423 	u32 clk;
1424 	u16 v;
1425 };
1426 
1427 struct amdgpu_clock_voltage_dependency_table {
1428 	u32 count;
1429 	struct amdgpu_clock_voltage_dependency_entry *entries;
1430 };
1431 
1432 union amdgpu_cac_leakage_entry {
1433 	struct {
1434 		u16 vddc;
1435 		u32 leakage;
1436 	};
1437 	struct {
1438 		u16 vddc1;
1439 		u16 vddc2;
1440 		u16 vddc3;
1441 	};
1442 };
1443 
1444 struct amdgpu_cac_leakage_table {
1445 	u32 count;
1446 	union amdgpu_cac_leakage_entry *entries;
1447 };
1448 
1449 struct amdgpu_phase_shedding_limits_entry {
1450 	u16 voltage;
1451 	u32 sclk;
1452 	u32 mclk;
1453 };
1454 
1455 struct amdgpu_phase_shedding_limits_table {
1456 	u32 count;
1457 	struct amdgpu_phase_shedding_limits_entry *entries;
1458 };
1459 
1460 struct amdgpu_uvd_clock_voltage_dependency_entry {
1461 	u32 vclk;
1462 	u32 dclk;
1463 	u16 v;
1464 };
1465 
1466 struct amdgpu_uvd_clock_voltage_dependency_table {
1467 	u8 count;
1468 	struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
1469 };
1470 
1471 struct amdgpu_vce_clock_voltage_dependency_entry {
1472 	u32 ecclk;
1473 	u32 evclk;
1474 	u16 v;
1475 };
1476 
1477 struct amdgpu_vce_clock_voltage_dependency_table {
1478 	u8 count;
1479 	struct amdgpu_vce_clock_voltage_dependency_entry *entries;
1480 };
1481 
1482 struct amdgpu_ppm_table {
1483 	u8 ppm_design;
1484 	u16 cpu_core_number;
1485 	u32 platform_tdp;
1486 	u32 small_ac_platform_tdp;
1487 	u32 platform_tdc;
1488 	u32 small_ac_platform_tdc;
1489 	u32 apu_tdp;
1490 	u32 dgpu_tdp;
1491 	u32 dgpu_ulv_power;
1492 	u32 tj_max;
1493 };
1494 
1495 struct amdgpu_cac_tdp_table {
1496 	u16 tdp;
1497 	u16 configurable_tdp;
1498 	u16 tdc;
1499 	u16 battery_power_limit;
1500 	u16 small_power_limit;
1501 	u16 low_cac_leakage;
1502 	u16 high_cac_leakage;
1503 	u16 maximum_power_delivery_limit;
1504 };
1505 
1506 struct amdgpu_dpm_dynamic_state {
1507 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
1508 	struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
1509 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
1510 	struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1511 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1512 	struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1513 	struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1514 	struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1515 	struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1516 	struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
1517 	struct amdgpu_clock_array valid_sclk_values;
1518 	struct amdgpu_clock_array valid_mclk_values;
1519 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
1520 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
1521 	u32 mclk_sclk_ratio;
1522 	u32 sclk_mclk_delta;
1523 	u16 vddc_vddci_delta;
1524 	u16 min_vddc_for_pcie_gen2;
1525 	struct amdgpu_cac_leakage_table cac_leakage_table;
1526 	struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
1527 	struct amdgpu_ppm_table *ppm_table;
1528 	struct amdgpu_cac_tdp_table *cac_tdp_table;
1529 };
1530 
1531 struct amdgpu_dpm_fan {
1532 	u16 t_min;
1533 	u16 t_med;
1534 	u16 t_high;
1535 	u16 pwm_min;
1536 	u16 pwm_med;
1537 	u16 pwm_high;
1538 	u8 t_hyst;
1539 	u32 cycle_delay;
1540 	u16 t_max;
1541 	u8 control_mode;
1542 	u16 default_max_fan_pwm;
1543 	u16 default_fan_output_sensitivity;
1544 	u16 fan_output_sensitivity;
1545 	bool ucode_fan_control;
1546 };
1547 
1548 enum amdgpu_pcie_gen {
1549 	AMDGPU_PCIE_GEN1 = 0,
1550 	AMDGPU_PCIE_GEN2 = 1,
1551 	AMDGPU_PCIE_GEN3 = 2,
1552 	AMDGPU_PCIE_GEN_INVALID = 0xffff
1553 };
1554 
1555 enum amdgpu_dpm_forced_level {
1556 	AMDGPU_DPM_FORCED_LEVEL_AUTO = 0,
1557 	AMDGPU_DPM_FORCED_LEVEL_LOW = 1,
1558 	AMDGPU_DPM_FORCED_LEVEL_HIGH = 2,
1559 };
1560 
1561 struct amdgpu_vce_state {
1562 	/* vce clocks */
1563 	u32 evclk;
1564 	u32 ecclk;
1565 	/* gpu clocks */
1566 	u32 sclk;
1567 	u32 mclk;
1568 	u8 clk_idx;
1569 	u8 pstate;
1570 };
1571 
1572 struct amdgpu_dpm_funcs {
1573 	int (*get_temperature)(struct amdgpu_device *adev);
1574 	int (*pre_set_power_state)(struct amdgpu_device *adev);
1575 	int (*set_power_state)(struct amdgpu_device *adev);
1576 	void (*post_set_power_state)(struct amdgpu_device *adev);
1577 	void (*display_configuration_changed)(struct amdgpu_device *adev);
1578 	u32 (*get_sclk)(struct amdgpu_device *adev, bool low);
1579 	u32 (*get_mclk)(struct amdgpu_device *adev, bool low);
1580 	void (*print_power_state)(struct amdgpu_device *adev, struct amdgpu_ps *ps);
1581 	void (*debugfs_print_current_performance_level)(struct amdgpu_device *adev, struct seq_file *m);
1582 	int (*force_performance_level)(struct amdgpu_device *adev, enum amdgpu_dpm_forced_level level);
1583 	bool (*vblank_too_short)(struct amdgpu_device *adev);
1584 	void (*powergate_uvd)(struct amdgpu_device *adev, bool gate);
1585 	void (*powergate_vce)(struct amdgpu_device *adev, bool gate);
1586 	void (*enable_bapm)(struct amdgpu_device *adev, bool enable);
1587 	void (*set_fan_control_mode)(struct amdgpu_device *adev, u32 mode);
1588 	u32 (*get_fan_control_mode)(struct amdgpu_device *adev);
1589 	int (*set_fan_speed_percent)(struct amdgpu_device *adev, u32 speed);
1590 	int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed);
1591 };
1592 
1593 struct amdgpu_dpm {
1594 	struct amdgpu_ps        *ps;
1595 	/* number of valid power states */
1596 	int                     num_ps;
1597 	/* current power state that is active */
1598 	struct amdgpu_ps        *current_ps;
1599 	/* requested power state */
1600 	struct amdgpu_ps        *requested_ps;
1601 	/* boot up power state */
1602 	struct amdgpu_ps        *boot_ps;
1603 	/* default uvd power state */
1604 	struct amdgpu_ps        *uvd_ps;
1605 	/* vce requirements */
1606 	struct amdgpu_vce_state vce_states[AMDGPU_MAX_VCE_LEVELS];
1607 	enum amdgpu_vce_level vce_level;
1608 	enum amdgpu_pm_state_type state;
1609 	enum amdgpu_pm_state_type user_state;
1610 	u32                     platform_caps;
1611 	u32                     voltage_response_time;
1612 	u32                     backbias_response_time;
1613 	void                    *priv;
1614 	u32			new_active_crtcs;
1615 	int			new_active_crtc_count;
1616 	u32			current_active_crtcs;
1617 	int			current_active_crtc_count;
1618 	struct amdgpu_dpm_dynamic_state dyn_state;
1619 	struct amdgpu_dpm_fan fan;
1620 	u32 tdp_limit;
1621 	u32 near_tdp_limit;
1622 	u32 near_tdp_limit_adjusted;
1623 	u32 sq_ramping_threshold;
1624 	u32 cac_leakage;
1625 	u16 tdp_od_limit;
1626 	u32 tdp_adjustment;
1627 	u16 load_line_slope;
1628 	bool power_control;
1629 	bool ac_power;
1630 	/* special states active */
1631 	bool                    thermal_active;
1632 	bool                    uvd_active;
1633 	bool                    vce_active;
1634 	/* thermal handling */
1635 	struct amdgpu_dpm_thermal thermal;
1636 	/* forced levels */
1637 	enum amdgpu_dpm_forced_level forced_level;
1638 };
1639 
1640 struct amdgpu_pm {
1641 	struct mutex		mutex;
1642 	u32                     current_sclk;
1643 	u32                     current_mclk;
1644 	u32                     default_sclk;
1645 	u32                     default_mclk;
1646 	struct amdgpu_i2c_chan *i2c_bus;
1647 	/* internal thermal controller on rv6xx+ */
1648 	enum amdgpu_int_thermal_type int_thermal_type;
1649 	struct device	        *int_hwmon_dev;
1650 	/* fan control parameters */
1651 	bool                    no_fan;
1652 	u8                      fan_pulses_per_revolution;
1653 	u8                      fan_min_rpm;
1654 	u8                      fan_max_rpm;
1655 	/* dpm */
1656 	bool                    dpm_enabled;
1657 	bool                    sysfs_initialized;
1658 	struct amdgpu_dpm       dpm;
1659 	const struct firmware	*fw;	/* SMC firmware */
1660 	uint32_t                fw_version;
1661 	const struct amdgpu_dpm_funcs *funcs;
1662 };
1663 
1664 /*
1665  * UVD
1666  */
1667 #define AMDGPU_MAX_UVD_HANDLES	10
1668 #define AMDGPU_UVD_STACK_SIZE	(1024*1024)
1669 #define AMDGPU_UVD_HEAP_SIZE	(1024*1024)
1670 #define AMDGPU_UVD_FIRMWARE_OFFSET 256
1671 
1672 struct amdgpu_uvd {
1673 	struct amdgpu_bo	*vcpu_bo;
1674 	void			*cpu_addr;
1675 	uint64_t		gpu_addr;
1676 	atomic_t		handles[AMDGPU_MAX_UVD_HANDLES];
1677 	struct drm_file		*filp[AMDGPU_MAX_UVD_HANDLES];
1678 	struct delayed_work	idle_work;
1679 	const struct firmware	*fw;	/* UVD firmware */
1680 	struct amdgpu_ring	ring;
1681 	struct amdgpu_irq_src	irq;
1682 	bool			address_64_bit;
1683 };
1684 
1685 /*
1686  * VCE
1687  */
1688 #define AMDGPU_MAX_VCE_HANDLES	16
1689 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
1690 
1691 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
1692 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
1693 
1694 struct amdgpu_vce {
1695 	struct amdgpu_bo	*vcpu_bo;
1696 	uint64_t		gpu_addr;
1697 	unsigned		fw_version;
1698 	unsigned		fb_version;
1699 	atomic_t		handles[AMDGPU_MAX_VCE_HANDLES];
1700 	struct drm_file		*filp[AMDGPU_MAX_VCE_HANDLES];
1701 	uint32_t		img_size[AMDGPU_MAX_VCE_HANDLES];
1702 	struct delayed_work	idle_work;
1703 	const struct firmware	*fw;	/* VCE firmware */
1704 	struct amdgpu_ring	ring[AMDGPU_MAX_VCE_RINGS];
1705 	struct amdgpu_irq_src	irq;
1706 	unsigned		harvest_config;
1707 };
1708 
1709 /*
1710  * SDMA
1711  */
1712 struct amdgpu_sdma {
1713 	/* SDMA firmware */
1714 	const struct firmware	*fw;
1715 	uint32_t		fw_version;
1716 	uint32_t		feature_version;
1717 
1718 	struct amdgpu_ring	ring;
1719 	bool			burst_nop;
1720 };
1721 
1722 /*
1723  * Firmware
1724  */
1725 struct amdgpu_firmware {
1726 	struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1727 	bool smu_load;
1728 	struct amdgpu_bo *fw_buf;
1729 	unsigned int fw_size;
1730 };
1731 
1732 /*
1733  * Benchmarking
1734  */
1735 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1736 
1737 
1738 /*
1739  * Testing
1740  */
1741 void amdgpu_test_moves(struct amdgpu_device *adev);
1742 void amdgpu_test_ring_sync(struct amdgpu_device *adev,
1743 			   struct amdgpu_ring *cpA,
1744 			   struct amdgpu_ring *cpB);
1745 void amdgpu_test_syncing(struct amdgpu_device *adev);
1746 
1747 /*
1748  * MMU Notifier
1749  */
1750 #if defined(CONFIG_MMU_NOTIFIER)
1751 int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
1752 void amdgpu_mn_unregister(struct amdgpu_bo *bo);
1753 #else
1754 static int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
1755 {
1756 	return -ENODEV;
1757 }
1758 static void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
1759 #endif
1760 
1761 /*
1762  * Debugfs
1763  */
1764 struct amdgpu_debugfs {
1765 	struct drm_info_list	*files;
1766 	unsigned		num_files;
1767 };
1768 
1769 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
1770 			     struct drm_info_list *files,
1771 			     unsigned nfiles);
1772 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
1773 
1774 #if defined(CONFIG_DEBUG_FS)
1775 int amdgpu_debugfs_init(struct drm_minor *minor);
1776 void amdgpu_debugfs_cleanup(struct drm_minor *minor);
1777 #endif
1778 
1779 /*
1780  * amdgpu smumgr functions
1781  */
1782 struct amdgpu_smumgr_funcs {
1783 	int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1784 	int (*request_smu_load_fw)(struct amdgpu_device *adev);
1785 	int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1786 };
1787 
1788 /*
1789  * amdgpu smumgr
1790  */
1791 struct amdgpu_smumgr {
1792 	struct amdgpu_bo *toc_buf;
1793 	struct amdgpu_bo *smu_buf;
1794 	/* asic priv smu data */
1795 	void *priv;
1796 	spinlock_t smu_lock;
1797 	/* smumgr functions */
1798 	const struct amdgpu_smumgr_funcs *smumgr_funcs;
1799 	/* ucode loading complete flag */
1800 	uint32_t fw_flags;
1801 };
1802 
1803 /*
1804  * ASIC specific register table accessible by UMD
1805  */
1806 struct amdgpu_allowed_register_entry {
1807 	uint32_t reg_offset;
1808 	bool untouched;
1809 	bool grbm_indexed;
1810 };
1811 
1812 struct amdgpu_cu_info {
1813 	uint32_t number; /* total active CU number */
1814 	uint32_t ao_cu_mask;
1815 	uint32_t bitmap[4][4];
1816 };
1817 
1818 
1819 /*
1820  * ASIC specific functions.
1821  */
1822 struct amdgpu_asic_funcs {
1823 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
1824 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1825 			     u32 sh_num, u32 reg_offset, u32 *value);
1826 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1827 	int (*reset)(struct amdgpu_device *adev);
1828 	/* wait for mc_idle */
1829 	int (*wait_for_mc_idle)(struct amdgpu_device *adev);
1830 	/* get the reference clock */
1831 	u32 (*get_xclk)(struct amdgpu_device *adev);
1832 	/* get the gpu clock counter */
1833 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
1834 	int (*get_cu_info)(struct amdgpu_device *adev, struct amdgpu_cu_info *info);
1835 	/* MM block clocks */
1836 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1837 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1838 };
1839 
1840 /*
1841  * IOCTL.
1842  */
1843 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1844 			    struct drm_file *filp);
1845 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1846 				struct drm_file *filp);
1847 
1848 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1849 			  struct drm_file *filp);
1850 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1851 			struct drm_file *filp);
1852 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1853 			  struct drm_file *filp);
1854 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1855 			      struct drm_file *filp);
1856 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1857 			  struct drm_file *filp);
1858 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1859 			struct drm_file *filp);
1860 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1861 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1862 
1863 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1864 				struct drm_file *filp);
1865 
1866 /* VRAM scratch page for HDP bug, default vram page */
1867 struct amdgpu_vram_scratch {
1868 	struct amdgpu_bo		*robj;
1869 	volatile uint32_t		*ptr;
1870 	u64				gpu_addr;
1871 };
1872 
1873 /*
1874  * ACPI
1875  */
1876 struct amdgpu_atif_notification_cfg {
1877 	bool enabled;
1878 	int command_code;
1879 };
1880 
1881 struct amdgpu_atif_notifications {
1882 	bool display_switch;
1883 	bool expansion_mode_change;
1884 	bool thermal_state;
1885 	bool forced_power_state;
1886 	bool system_power_state;
1887 	bool display_conf_change;
1888 	bool px_gfx_switch;
1889 	bool brightness_change;
1890 	bool dgpu_display_event;
1891 };
1892 
1893 struct amdgpu_atif_functions {
1894 	bool system_params;
1895 	bool sbios_requests;
1896 	bool select_active_disp;
1897 	bool lid_state;
1898 	bool get_tv_standard;
1899 	bool set_tv_standard;
1900 	bool get_panel_expansion_mode;
1901 	bool set_panel_expansion_mode;
1902 	bool temperature_change;
1903 	bool graphics_device_types;
1904 };
1905 
1906 struct amdgpu_atif {
1907 	struct amdgpu_atif_notifications notifications;
1908 	struct amdgpu_atif_functions functions;
1909 	struct amdgpu_atif_notification_cfg notification_cfg;
1910 	struct amdgpu_encoder *encoder_for_bl;
1911 };
1912 
1913 struct amdgpu_atcs_functions {
1914 	bool get_ext_state;
1915 	bool pcie_perf_req;
1916 	bool pcie_dev_rdy;
1917 	bool pcie_bus_width;
1918 };
1919 
1920 struct amdgpu_atcs {
1921 	struct amdgpu_atcs_functions functions;
1922 };
1923 
1924 /*
1925  * CGS
1926  */
1927 void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1928 void amdgpu_cgs_destroy_device(void *cgs_device);
1929 
1930 
1931 /*
1932  * Core structure, functions and helpers.
1933  */
1934 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1935 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1936 
1937 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1938 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1939 
1940 struct amdgpu_ip_block_status {
1941 	bool valid;
1942 	bool sw;
1943 	bool hw;
1944 };
1945 
1946 struct amdgpu_device {
1947 	struct device			*dev;
1948 	struct drm_device		*ddev;
1949 	struct pci_dev			*pdev;
1950 	struct rw_semaphore		exclusive_lock;
1951 
1952 	/* ASIC */
1953 	enum amd_asic_type		asic_type;
1954 	uint32_t			family;
1955 	uint32_t			rev_id;
1956 	uint32_t			external_rev_id;
1957 	unsigned long			flags;
1958 	int				usec_timeout;
1959 	const struct amdgpu_asic_funcs	*asic_funcs;
1960 	bool				shutdown;
1961 	bool				suspend;
1962 	bool				need_dma32;
1963 	bool				accel_working;
1964 	bool				needs_reset;
1965 	struct work_struct 		reset_work;
1966 	struct notifier_block		acpi_nb;
1967 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
1968 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1969 	unsigned 			debugfs_count;
1970 #if defined(CONFIG_DEBUG_FS)
1971 	struct dentry			*debugfs_regs;
1972 #endif
1973 	struct amdgpu_atif		atif;
1974 	struct amdgpu_atcs		atcs;
1975 	struct mutex			srbm_mutex;
1976 	/* GRBM index mutex. Protects concurrent access to GRBM index */
1977 	struct mutex                    grbm_idx_mutex;
1978 	struct dev_pm_domain		vga_pm_domain;
1979 	bool				have_disp_power_ref;
1980 
1981 	/* BIOS */
1982 	uint8_t				*bios;
1983 	bool				is_atom_bios;
1984 	uint16_t			bios_header_start;
1985 	struct amdgpu_bo		*stollen_vga_memory;
1986 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1987 
1988 	/* Register/doorbell mmio */
1989 	resource_size_t			rmmio_base;
1990 	resource_size_t			rmmio_size;
1991 	void __iomem			*rmmio;
1992 	/* protects concurrent MM_INDEX/DATA based register access */
1993 	spinlock_t mmio_idx_lock;
1994 	/* protects concurrent SMC based register access */
1995 	spinlock_t smc_idx_lock;
1996 	amdgpu_rreg_t			smc_rreg;
1997 	amdgpu_wreg_t			smc_wreg;
1998 	/* protects concurrent PCIE register access */
1999 	spinlock_t pcie_idx_lock;
2000 	amdgpu_rreg_t			pcie_rreg;
2001 	amdgpu_wreg_t			pcie_wreg;
2002 	/* protects concurrent UVD register access */
2003 	spinlock_t uvd_ctx_idx_lock;
2004 	amdgpu_rreg_t			uvd_ctx_rreg;
2005 	amdgpu_wreg_t			uvd_ctx_wreg;
2006 	/* protects concurrent DIDT register access */
2007 	spinlock_t didt_idx_lock;
2008 	amdgpu_rreg_t			didt_rreg;
2009 	amdgpu_wreg_t			didt_wreg;
2010 	/* protects concurrent ENDPOINT (audio) register access */
2011 	spinlock_t audio_endpt_idx_lock;
2012 	amdgpu_block_rreg_t		audio_endpt_rreg;
2013 	amdgpu_block_wreg_t		audio_endpt_wreg;
2014 	void __iomem                    *rio_mem;
2015 	resource_size_t			rio_mem_size;
2016 	struct amdgpu_doorbell		doorbell;
2017 
2018 	/* clock/pll info */
2019 	struct amdgpu_clock            clock;
2020 
2021 	/* MC */
2022 	struct amdgpu_mc		mc;
2023 	struct amdgpu_gart		gart;
2024 	struct amdgpu_dummy_page	dummy_page;
2025 	struct amdgpu_vm_manager	vm_manager;
2026 
2027 	/* memory management */
2028 	struct amdgpu_mman		mman;
2029 	struct amdgpu_gem		gem;
2030 	struct amdgpu_vram_scratch	vram_scratch;
2031 	struct amdgpu_wb		wb;
2032 	atomic64_t			vram_usage;
2033 	atomic64_t			vram_vis_usage;
2034 	atomic64_t			gtt_usage;
2035 	atomic64_t			num_bytes_moved;
2036 	atomic_t			gpu_reset_counter;
2037 
2038 	/* display */
2039 	struct amdgpu_mode_info		mode_info;
2040 	struct work_struct		hotplug_work;
2041 	struct amdgpu_irq_src		crtc_irq;
2042 	struct amdgpu_irq_src		pageflip_irq;
2043 	struct amdgpu_irq_src		hpd_irq;
2044 
2045 	/* rings */
2046 	unsigned			fence_context;
2047 	struct mutex			ring_lock;
2048 	unsigned			num_rings;
2049 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
2050 	bool				ib_pool_ready;
2051 	struct amdgpu_sa_manager	ring_tmp_bo;
2052 
2053 	/* interrupts */
2054 	struct amdgpu_irq		irq;
2055 
2056 	/* dpm */
2057 	struct amdgpu_pm		pm;
2058 	u32				cg_flags;
2059 	u32				pg_flags;
2060 
2061 	/* amdgpu smumgr */
2062 	struct amdgpu_smumgr smu;
2063 
2064 	/* gfx */
2065 	struct amdgpu_gfx		gfx;
2066 
2067 	/* sdma */
2068 	struct amdgpu_sdma		sdma[AMDGPU_MAX_SDMA_INSTANCES];
2069 	struct amdgpu_irq_src		sdma_trap_irq;
2070 	struct amdgpu_irq_src		sdma_illegal_inst_irq;
2071 
2072 	/* uvd */
2073 	bool				has_uvd;
2074 	struct amdgpu_uvd		uvd;
2075 
2076 	/* vce */
2077 	struct amdgpu_vce		vce;
2078 
2079 	/* firmwares */
2080 	struct amdgpu_firmware		firmware;
2081 
2082 	/* GDS */
2083 	struct amdgpu_gds		gds;
2084 
2085 	const struct amdgpu_ip_block_version *ip_blocks;
2086 	int				num_ip_blocks;
2087 	struct amdgpu_ip_block_status	*ip_block_status;
2088 	struct mutex	mn_lock;
2089 	DECLARE_HASHTABLE(mn_hash, 7);
2090 
2091 	/* tracking pinned memory */
2092 	u64 vram_pin_size;
2093 	u64 gart_pin_size;
2094 
2095 	/* amdkfd interface */
2096 	struct kfd_dev          *kfd;
2097 
2098 	/* kernel conext for IB submission */
2099 	struct amdgpu_ctx	kernel_ctx;
2100 };
2101 
2102 bool amdgpu_device_is_px(struct drm_device *dev);
2103 int amdgpu_device_init(struct amdgpu_device *adev,
2104 		       struct drm_device *ddev,
2105 		       struct pci_dev *pdev,
2106 		       uint32_t flags);
2107 void amdgpu_device_fini(struct amdgpu_device *adev);
2108 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
2109 
2110 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
2111 			bool always_indirect);
2112 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
2113 		    bool always_indirect);
2114 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
2115 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
2116 
2117 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
2118 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
2119 
2120 /*
2121  * Cast helper
2122  */
2123 extern const struct fence_ops amdgpu_fence_ops;
2124 static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
2125 {
2126 	struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
2127 
2128 	if (__f->base.ops == &amdgpu_fence_ops)
2129 		return __f;
2130 
2131 	return NULL;
2132 }
2133 
2134 /*
2135  * Registers read & write functions.
2136  */
2137 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
2138 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
2139 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
2140 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
2141 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
2142 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2143 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2144 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
2145 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
2146 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
2147 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
2148 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
2149 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
2150 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
2151 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
2152 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
2153 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
2154 #define WREG32_P(reg, val, mask)				\
2155 	do {							\
2156 		uint32_t tmp_ = RREG32(reg);			\
2157 		tmp_ &= (mask);					\
2158 		tmp_ |= ((val) & ~(mask));			\
2159 		WREG32(reg, tmp_);				\
2160 	} while (0)
2161 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2162 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2163 #define WREG32_PLL_P(reg, val, mask)				\
2164 	do {							\
2165 		uint32_t tmp_ = RREG32_PLL(reg);		\
2166 		tmp_ &= (mask);					\
2167 		tmp_ |= ((val) & ~(mask));			\
2168 		WREG32_PLL(reg, tmp_);				\
2169 	} while (0)
2170 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
2171 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
2172 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
2173 
2174 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
2175 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
2176 
2177 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
2178 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
2179 
2180 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
2181 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
2182 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
2183 
2184 #define REG_GET_FIELD(value, reg, field)				\
2185 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
2186 
2187 /*
2188  * BIOS helpers.
2189  */
2190 #define RBIOS8(i) (adev->bios[i])
2191 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2192 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2193 
2194 /*
2195  * RING helpers.
2196  */
2197 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
2198 {
2199 	if (ring->count_dw <= 0)
2200 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
2201 	ring->ring[ring->wptr++] = v;
2202 	ring->wptr &= ring->ptr_mask;
2203 	ring->count_dw--;
2204 	ring->ring_free_dw--;
2205 }
2206 
2207 static inline struct amdgpu_sdma * amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
2208 {
2209 	struct amdgpu_device *adev = ring->adev;
2210 	int i;
2211 
2212 	for (i = 0; i < AMDGPU_MAX_SDMA_INSTANCES; i++)
2213 		if (&adev->sdma[i].ring == ring)
2214 			break;
2215 
2216 	if (i < AMDGPU_MAX_SDMA_INSTANCES)
2217 		return &adev->sdma[i];
2218 	else
2219 		return NULL;
2220 }
2221 
2222 /*
2223  * ASICs macro.
2224  */
2225 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
2226 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
2227 #define amdgpu_asic_wait_for_mc_idle(adev) (adev)->asic_funcs->wait_for_mc_idle((adev))
2228 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
2229 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
2230 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
2231 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
2232 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
2233 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
2234 #define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))
2235 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
2236 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
2237 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
2238 #define amdgpu_vm_write_pte(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (addr), (count), (incr), (flags)))
2239 #define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags)))
2240 #define amdgpu_vm_pad_ib(adev, ib) ((adev)->vm_manager.vm_pte_funcs->pad_ib((ib)))
2241 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
2242 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
2243 #define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
2244 #define amdgpu_ring_is_lockup(r) (r)->funcs->is_lockup((r))
2245 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
2246 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
2247 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
2248 #define amdgpu_ring_emit_ib(r, ib) (r)->funcs->emit_ib((r), (ib))
2249 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
2250 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
2251 #define amdgpu_ring_emit_semaphore(r, semaphore, emit_wait) (r)->funcs->emit_semaphore((r), (semaphore), (emit_wait))
2252 #define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as))
2253 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
2254 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
2255 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
2256 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
2257 #define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
2258 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
2259 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
2260 #define amdgpu_display_is_display_hung(adev) (adev)->mode_info.funcs->is_display_hung((adev))
2261 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
2262 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
2263 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
2264 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
2265 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
2266 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
2267 #define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
2268 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
2269 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
2270 #define amdgpu_display_add_connector(adev, ci, sd, ct, ib, coi, h, r) (adev)->mode_info.funcs->add_connector((adev), (ci), (sd), (ct), (ib), (coi), (h), (r))
2271 #define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
2272 #define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
2273 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b))
2274 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
2275 #define amdgpu_dpm_get_temperature(adev) (adev)->pm.funcs->get_temperature((adev))
2276 #define amdgpu_dpm_pre_set_power_state(adev) (adev)->pm.funcs->pre_set_power_state((adev))
2277 #define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
2278 #define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
2279 #define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
2280 #define amdgpu_dpm_get_sclk(adev, l) (adev)->pm.funcs->get_sclk((adev), (l))
2281 #define amdgpu_dpm_get_mclk(adev, l) (adev)->pm.funcs->get_mclk((adev), (l))
2282 #define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
2283 #define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
2284 #define amdgpu_dpm_force_performance_level(adev, l) (adev)->pm.funcs->force_performance_level((adev), (l))
2285 #define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
2286 #define amdgpu_dpm_powergate_uvd(adev, g) (adev)->pm.funcs->powergate_uvd((adev), (g))
2287 #define amdgpu_dpm_powergate_vce(adev, g) (adev)->pm.funcs->powergate_vce((adev), (g))
2288 #define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
2289 #define amdgpu_dpm_set_fan_control_mode(adev, m) (adev)->pm.funcs->set_fan_control_mode((adev), (m))
2290 #define amdgpu_dpm_get_fan_control_mode(adev) (adev)->pm.funcs->get_fan_control_mode((adev))
2291 #define amdgpu_dpm_set_fan_speed_percent(adev, s) (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
2292 #define amdgpu_dpm_get_fan_speed_percent(adev, s) (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
2293 
2294 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
2295 
2296 /* Common functions */
2297 int amdgpu_gpu_reset(struct amdgpu_device *adev);
2298 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
2299 bool amdgpu_card_posted(struct amdgpu_device *adev);
2300 void amdgpu_update_display_priority(struct amdgpu_device *adev);
2301 bool amdgpu_boot_test_post_card(struct amdgpu_device *adev);
2302 struct amdgpu_cs_parser *amdgpu_cs_parser_create(struct amdgpu_device *adev,
2303 						 struct drm_file *filp,
2304 						 struct amdgpu_ctx *ctx,
2305 						 struct amdgpu_ib *ibs,
2306 						 uint32_t num_ibs);
2307 
2308 int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
2309 int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
2310 		       u32 ip_instance, u32 ring,
2311 		       struct amdgpu_ring **out_ring);
2312 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain);
2313 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
2314 int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
2315 				     uint32_t flags);
2316 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
2317 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
2318 uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
2319 				 struct ttm_mem_reg *mem);
2320 void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
2321 void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
2322 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
2323 void amdgpu_program_register_sequence(struct amdgpu_device *adev,
2324 					     const u32 *registers,
2325 					     const u32 array_size);
2326 
2327 bool amdgpu_device_is_px(struct drm_device *dev);
2328 /* atpx handler */
2329 #if defined(CONFIG_VGA_SWITCHEROO)
2330 void amdgpu_register_atpx_handler(void);
2331 void amdgpu_unregister_atpx_handler(void);
2332 #else
2333 static inline void amdgpu_register_atpx_handler(void) {}
2334 static inline void amdgpu_unregister_atpx_handler(void) {}
2335 #endif
2336 
2337 /*
2338  * KMS
2339  */
2340 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
2341 extern int amdgpu_max_kms_ioctl;
2342 
2343 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
2344 int amdgpu_driver_unload_kms(struct drm_device *dev);
2345 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
2346 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
2347 void amdgpu_driver_postclose_kms(struct drm_device *dev,
2348 				 struct drm_file *file_priv);
2349 void amdgpu_driver_preclose_kms(struct drm_device *dev,
2350 				struct drm_file *file_priv);
2351 int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2352 int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2353 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, int crtc);
2354 int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc);
2355 void amdgpu_disable_vblank_kms(struct drm_device *dev, int crtc);
2356 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
2357 				    int *max_error,
2358 				    struct timeval *vblank_time,
2359 				    unsigned flags);
2360 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
2361 			     unsigned long arg);
2362 
2363 /*
2364  * vm
2365  */
2366 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
2367 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
2368 struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
2369 					  struct amdgpu_vm *vm,
2370 					  struct list_head *head);
2371 int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
2372 		      struct amdgpu_sync *sync);
2373 void amdgpu_vm_flush(struct amdgpu_ring *ring,
2374 		     struct amdgpu_vm *vm,
2375 		     struct fence *updates);
2376 void amdgpu_vm_fence(struct amdgpu_device *adev,
2377 		     struct amdgpu_vm *vm,
2378 		     struct amdgpu_fence *fence);
2379 uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr);
2380 int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
2381 				    struct amdgpu_vm *vm);
2382 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
2383 				struct amdgpu_vm *vm);
2384 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
2385 				struct amdgpu_vm *vm, struct amdgpu_sync *sync);
2386 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
2387 			struct amdgpu_bo_va *bo_va,
2388 			struct ttm_mem_reg *mem);
2389 void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
2390 			     struct amdgpu_bo *bo);
2391 struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
2392 				       struct amdgpu_bo *bo);
2393 struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
2394 				      struct amdgpu_vm *vm,
2395 				      struct amdgpu_bo *bo);
2396 int amdgpu_vm_bo_map(struct amdgpu_device *adev,
2397 		     struct amdgpu_bo_va *bo_va,
2398 		     uint64_t addr, uint64_t offset,
2399 		     uint64_t size, uint32_t flags);
2400 int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
2401 		       struct amdgpu_bo_va *bo_va,
2402 		       uint64_t addr);
2403 void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
2404 		      struct amdgpu_bo_va *bo_va);
2405 int amdgpu_vm_free_job(struct amdgpu_job *job);
2406 /*
2407  * functions used by amdgpu_encoder.c
2408  */
2409 struct amdgpu_afmt_acr {
2410 	u32 clock;
2411 
2412 	int n_32khz;
2413 	int cts_32khz;
2414 
2415 	int n_44_1khz;
2416 	int cts_44_1khz;
2417 
2418 	int n_48khz;
2419 	int cts_48khz;
2420 
2421 };
2422 
2423 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
2424 
2425 /* amdgpu_acpi.c */
2426 #if defined(CONFIG_ACPI)
2427 int amdgpu_acpi_init(struct amdgpu_device *adev);
2428 void amdgpu_acpi_fini(struct amdgpu_device *adev);
2429 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
2430 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
2431 						u8 perf_req, bool advertise);
2432 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
2433 #else
2434 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
2435 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
2436 #endif
2437 
2438 struct amdgpu_bo_va_mapping *
2439 amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
2440 		       uint64_t addr, struct amdgpu_bo **bo);
2441 
2442 #include "amdgpu_object.h"
2443 
2444 #endif
2445