xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision e2f1cf25)
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 
86 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
87 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
88 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
89 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
90 #define AMDGPU_IB_POOL_SIZE			16
91 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
92 #define AMDGPUFB_CONN_LIMIT			4
93 #define AMDGPU_BIOS_NUM_SCRATCH			8
94 
95 /* max number of rings */
96 #define AMDGPU_MAX_RINGS			16
97 #define AMDGPU_MAX_GFX_RINGS			1
98 #define AMDGPU_MAX_COMPUTE_RINGS		8
99 #define AMDGPU_MAX_VCE_RINGS			2
100 
101 /* number of hw syncs before falling back on blocking */
102 #define AMDGPU_NUM_SYNCS			4
103 
104 /* hardcode that limit for now */
105 #define AMDGPU_VA_RESERVED_SIZE			(8 << 20)
106 
107 /* hard reset data */
108 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
109 
110 /* reset flags */
111 #define AMDGPU_RESET_GFX			(1 << 0)
112 #define AMDGPU_RESET_COMPUTE			(1 << 1)
113 #define AMDGPU_RESET_DMA			(1 << 2)
114 #define AMDGPU_RESET_CP				(1 << 3)
115 #define AMDGPU_RESET_GRBM			(1 << 4)
116 #define AMDGPU_RESET_DMA1			(1 << 5)
117 #define AMDGPU_RESET_RLC			(1 << 6)
118 #define AMDGPU_RESET_SEM			(1 << 7)
119 #define AMDGPU_RESET_IH				(1 << 8)
120 #define AMDGPU_RESET_VMC			(1 << 9)
121 #define AMDGPU_RESET_MC				(1 << 10)
122 #define AMDGPU_RESET_DISPLAY			(1 << 11)
123 #define AMDGPU_RESET_UVD			(1 << 12)
124 #define AMDGPU_RESET_VCE			(1 << 13)
125 #define AMDGPU_RESET_VCE1			(1 << 14)
126 
127 /* CG block flags */
128 #define AMDGPU_CG_BLOCK_GFX			(1 << 0)
129 #define AMDGPU_CG_BLOCK_MC			(1 << 1)
130 #define AMDGPU_CG_BLOCK_SDMA			(1 << 2)
131 #define AMDGPU_CG_BLOCK_UVD			(1 << 3)
132 #define AMDGPU_CG_BLOCK_VCE			(1 << 4)
133 #define AMDGPU_CG_BLOCK_HDP			(1 << 5)
134 #define AMDGPU_CG_BLOCK_BIF			(1 << 6)
135 
136 /* CG flags */
137 #define AMDGPU_CG_SUPPORT_GFX_MGCG		(1 << 0)
138 #define AMDGPU_CG_SUPPORT_GFX_MGLS		(1 << 1)
139 #define AMDGPU_CG_SUPPORT_GFX_CGCG		(1 << 2)
140 #define AMDGPU_CG_SUPPORT_GFX_CGLS		(1 << 3)
141 #define AMDGPU_CG_SUPPORT_GFX_CGTS		(1 << 4)
142 #define AMDGPU_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
143 #define AMDGPU_CG_SUPPORT_GFX_CP_LS		(1 << 6)
144 #define AMDGPU_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
145 #define AMDGPU_CG_SUPPORT_MC_LS			(1 << 8)
146 #define AMDGPU_CG_SUPPORT_MC_MGCG		(1 << 9)
147 #define AMDGPU_CG_SUPPORT_SDMA_LS		(1 << 10)
148 #define AMDGPU_CG_SUPPORT_SDMA_MGCG		(1 << 11)
149 #define AMDGPU_CG_SUPPORT_BIF_LS		(1 << 12)
150 #define AMDGPU_CG_SUPPORT_UVD_MGCG		(1 << 13)
151 #define AMDGPU_CG_SUPPORT_VCE_MGCG		(1 << 14)
152 #define AMDGPU_CG_SUPPORT_HDP_LS		(1 << 15)
153 #define AMDGPU_CG_SUPPORT_HDP_MGCG		(1 << 16)
154 
155 /* PG flags */
156 #define AMDGPU_PG_SUPPORT_GFX_PG		(1 << 0)
157 #define AMDGPU_PG_SUPPORT_GFX_SMG		(1 << 1)
158 #define AMDGPU_PG_SUPPORT_GFX_DMG		(1 << 2)
159 #define AMDGPU_PG_SUPPORT_UVD			(1 << 3)
160 #define AMDGPU_PG_SUPPORT_VCE			(1 << 4)
161 #define AMDGPU_PG_SUPPORT_CP			(1 << 5)
162 #define AMDGPU_PG_SUPPORT_GDS			(1 << 6)
163 #define AMDGPU_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
164 #define AMDGPU_PG_SUPPORT_SDMA			(1 << 8)
165 #define AMDGPU_PG_SUPPORT_ACP			(1 << 9)
166 #define AMDGPU_PG_SUPPORT_SAMU			(1 << 10)
167 
168 /* GFX current status */
169 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
170 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
171 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
172 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
173 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
174 
175 /* max cursor sizes (in pixels) */
176 #define CIK_CURSOR_WIDTH 128
177 #define CIK_CURSOR_HEIGHT 128
178 
179 struct amdgpu_device;
180 struct amdgpu_fence;
181 struct amdgpu_ib;
182 struct amdgpu_vm;
183 struct amdgpu_ring;
184 struct amdgpu_semaphore;
185 struct amdgpu_cs_parser;
186 struct amdgpu_job;
187 struct amdgpu_irq_src;
188 struct amdgpu_fpriv;
189 
190 enum amdgpu_cp_irq {
191 	AMDGPU_CP_IRQ_GFX_EOP = 0,
192 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
193 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
194 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
195 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
196 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
197 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
198 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
199 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
200 
201 	AMDGPU_CP_IRQ_LAST
202 };
203 
204 enum amdgpu_sdma_irq {
205 	AMDGPU_SDMA_IRQ_TRAP0 = 0,
206 	AMDGPU_SDMA_IRQ_TRAP1,
207 
208 	AMDGPU_SDMA_IRQ_LAST
209 };
210 
211 enum amdgpu_thermal_irq {
212 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
213 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
214 
215 	AMDGPU_THERMAL_IRQ_LAST
216 };
217 
218 int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
219 				  enum amd_ip_block_type block_type,
220 				  enum amd_clockgating_state state);
221 int amdgpu_set_powergating_state(struct amdgpu_device *adev,
222 				  enum amd_ip_block_type block_type,
223 				  enum amd_powergating_state state);
224 
225 struct amdgpu_ip_block_version {
226 	enum amd_ip_block_type type;
227 	u32 major;
228 	u32 minor;
229 	u32 rev;
230 	const struct amd_ip_funcs *funcs;
231 };
232 
233 int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
234 				enum amd_ip_block_type type,
235 				u32 major, u32 minor);
236 
237 const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
238 					struct amdgpu_device *adev,
239 					enum amd_ip_block_type type);
240 
241 /* provided by hw blocks that can move/clear data.  e.g., gfx or sdma */
242 struct amdgpu_buffer_funcs {
243 	/* maximum bytes in a single operation */
244 	uint32_t	copy_max_bytes;
245 
246 	/* number of dw to reserve per operation */
247 	unsigned	copy_num_dw;
248 
249 	/* used for buffer migration */
250 	void (*emit_copy_buffer)(struct amdgpu_ib *ib,
251 				 /* src addr in bytes */
252 				 uint64_t src_offset,
253 				 /* dst addr in bytes */
254 				 uint64_t dst_offset,
255 				 /* number of byte to transfer */
256 				 uint32_t byte_count);
257 
258 	/* maximum bytes in a single operation */
259 	uint32_t	fill_max_bytes;
260 
261 	/* number of dw to reserve per operation */
262 	unsigned	fill_num_dw;
263 
264 	/* used for buffer clearing */
265 	void (*emit_fill_buffer)(struct amdgpu_ring *ring,
266 				 /* value to write to memory */
267 				 uint32_t src_data,
268 				 /* dst addr in bytes */
269 				 uint64_t dst_offset,
270 				 /* number of byte to fill */
271 				 uint32_t byte_count);
272 };
273 
274 /* provided by hw blocks that can write ptes, e.g., sdma */
275 struct amdgpu_vm_pte_funcs {
276 	/* copy pte entries from GART */
277 	void (*copy_pte)(struct amdgpu_ib *ib,
278 			 uint64_t pe, uint64_t src,
279 			 unsigned count);
280 	/* write pte one entry at a time with addr mapping */
281 	void (*write_pte)(struct amdgpu_ib *ib,
282 			  uint64_t pe,
283 			  uint64_t addr, unsigned count,
284 			  uint32_t incr, uint32_t flags);
285 	/* for linear pte/pde updates without addr mapping */
286 	void (*set_pte_pde)(struct amdgpu_ib *ib,
287 			    uint64_t pe,
288 			    uint64_t addr, unsigned count,
289 			    uint32_t incr, uint32_t flags);
290 	/* pad the indirect buffer to the necessary number of dw */
291 	void (*pad_ib)(struct amdgpu_ib *ib);
292 };
293 
294 /* provided by the gmc block */
295 struct amdgpu_gart_funcs {
296 	/* flush the vm tlb via mmio */
297 	void (*flush_gpu_tlb)(struct amdgpu_device *adev,
298 			      uint32_t vmid);
299 	/* write pte/pde updates using the cpu */
300 	int (*set_pte_pde)(struct amdgpu_device *adev,
301 			   void *cpu_pt_addr, /* cpu addr of page table */
302 			   uint32_t gpu_page_idx, /* pte/pde to update */
303 			   uint64_t addr, /* addr to write into pte/pde */
304 			   uint32_t flags); /* access flags */
305 };
306 
307 /* provided by the ih block */
308 struct amdgpu_ih_funcs {
309 	/* ring read/write ptr handling, called from interrupt context */
310 	u32 (*get_wptr)(struct amdgpu_device *adev);
311 	void (*decode_iv)(struct amdgpu_device *adev,
312 			  struct amdgpu_iv_entry *entry);
313 	void (*set_rptr)(struct amdgpu_device *adev);
314 };
315 
316 /* provided by hw blocks that expose a ring buffer for commands */
317 struct amdgpu_ring_funcs {
318 	/* ring read/write ptr handling */
319 	u32 (*get_rptr)(struct amdgpu_ring *ring);
320 	u32 (*get_wptr)(struct amdgpu_ring *ring);
321 	void (*set_wptr)(struct amdgpu_ring *ring);
322 	/* validating and patching of IBs */
323 	int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
324 	/* command emit functions */
325 	void (*emit_ib)(struct amdgpu_ring *ring,
326 			struct amdgpu_ib *ib);
327 	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
328 			   uint64_t seq, unsigned flags);
329 	bool (*emit_semaphore)(struct amdgpu_ring *ring,
330 			       struct amdgpu_semaphore *semaphore,
331 			       bool emit_wait);
332 	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
333 			      uint64_t pd_addr);
334 	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
335 	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
336 				uint32_t gds_base, uint32_t gds_size,
337 				uint32_t gws_base, uint32_t gws_size,
338 				uint32_t oa_base, uint32_t oa_size);
339 	/* testing functions */
340 	int (*test_ring)(struct amdgpu_ring *ring);
341 	int (*test_ib)(struct amdgpu_ring *ring);
342 	bool (*is_lockup)(struct amdgpu_ring *ring);
343 };
344 
345 /*
346  * BIOS.
347  */
348 bool amdgpu_get_bios(struct amdgpu_device *adev);
349 bool amdgpu_read_bios(struct amdgpu_device *adev);
350 
351 /*
352  * Dummy page
353  */
354 struct amdgpu_dummy_page {
355 	struct page	*page;
356 	dma_addr_t	addr;
357 };
358 int amdgpu_dummy_page_init(struct amdgpu_device *adev);
359 void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
360 
361 
362 /*
363  * Clocks
364  */
365 
366 #define AMDGPU_MAX_PPLL 3
367 
368 struct amdgpu_clock {
369 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
370 	struct amdgpu_pll spll;
371 	struct amdgpu_pll mpll;
372 	/* 10 Khz units */
373 	uint32_t default_mclk;
374 	uint32_t default_sclk;
375 	uint32_t default_dispclk;
376 	uint32_t current_dispclk;
377 	uint32_t dp_extclk;
378 	uint32_t max_pixel_clock;
379 };
380 
381 /*
382  * Fences.
383  */
384 struct amdgpu_fence_driver {
385 	struct amdgpu_ring		*ring;
386 	uint64_t			gpu_addr;
387 	volatile uint32_t		*cpu_addr;
388 	/* sync_seq is protected by ring emission lock */
389 	uint64_t			sync_seq[AMDGPU_MAX_RINGS];
390 	atomic64_t			last_seq;
391 	bool				initialized;
392 	struct amdgpu_irq_src		*irq_src;
393 	unsigned			irq_type;
394 	struct delayed_work             lockup_work;
395 	wait_queue_head_t		fence_queue;
396 };
397 
398 /* some special values for the owner field */
399 #define AMDGPU_FENCE_OWNER_UNDEFINED	((void*)0ul)
400 #define AMDGPU_FENCE_OWNER_VM		((void*)1ul)
401 #define AMDGPU_FENCE_OWNER_MOVE		((void*)2ul)
402 
403 #define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
404 #define AMDGPU_FENCE_FLAG_INT           (1 << 1)
405 
406 struct amdgpu_fence {
407 	struct fence base;
408 
409 	/* RB, DMA, etc. */
410 	struct amdgpu_ring		*ring;
411 	uint64_t			seq;
412 
413 	/* filp or special value for fence creator */
414 	void				*owner;
415 
416 	wait_queue_t			fence_wake;
417 };
418 
419 struct amdgpu_user_fence {
420 	/* write-back bo */
421 	struct amdgpu_bo 	*bo;
422 	/* write-back address offset to bo start */
423 	uint32_t                offset;
424 };
425 
426 int amdgpu_fence_driver_init(struct amdgpu_device *adev);
427 void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
428 void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
429 
430 void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
431 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
432 				   struct amdgpu_irq_src *irq_src,
433 				   unsigned irq_type);
434 void amdgpu_fence_driver_suspend(struct amdgpu_device *adev);
435 void amdgpu_fence_driver_resume(struct amdgpu_device *adev);
436 int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
437 		      struct amdgpu_fence **fence);
438 void amdgpu_fence_process(struct amdgpu_ring *ring);
439 int amdgpu_fence_wait_next(struct amdgpu_ring *ring);
440 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
441 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
442 
443 signed long amdgpu_fence_wait_multiple(struct amdgpu_device *adev,
444 				       struct fence **array,
445 				       uint32_t count,
446 				       bool wait_all,
447 				       bool intr,
448 				       signed long t);
449 struct amdgpu_fence *amdgpu_fence_ref(struct amdgpu_fence *fence);
450 void amdgpu_fence_unref(struct amdgpu_fence **fence);
451 
452 bool amdgpu_fence_need_sync(struct amdgpu_fence *fence,
453 			    struct amdgpu_ring *ring);
454 void amdgpu_fence_note_sync(struct amdgpu_fence *fence,
455 			    struct amdgpu_ring *ring);
456 
457 static inline struct amdgpu_fence *amdgpu_fence_later(struct amdgpu_fence *a,
458 						      struct amdgpu_fence *b)
459 {
460 	if (!a) {
461 		return b;
462 	}
463 
464 	if (!b) {
465 		return a;
466 	}
467 
468 	BUG_ON(a->ring != b->ring);
469 
470 	if (a->seq > b->seq) {
471 		return a;
472 	} else {
473 		return b;
474 	}
475 }
476 
477 static inline bool amdgpu_fence_is_earlier(struct amdgpu_fence *a,
478 					   struct amdgpu_fence *b)
479 {
480 	if (!a) {
481 		return false;
482 	}
483 
484 	if (!b) {
485 		return true;
486 	}
487 
488 	BUG_ON(a->ring != b->ring);
489 
490 	return a->seq < b->seq;
491 }
492 
493 int amdgpu_user_fence_emit(struct amdgpu_ring *ring, struct amdgpu_user_fence *user,
494 			   void *owner, struct amdgpu_fence **fence);
495 
496 /*
497  * TTM.
498  */
499 struct amdgpu_mman {
500 	struct ttm_bo_global_ref        bo_global_ref;
501 	struct drm_global_reference	mem_global_ref;
502 	struct ttm_bo_device		bdev;
503 	bool				mem_global_referenced;
504 	bool				initialized;
505 
506 #if defined(CONFIG_DEBUG_FS)
507 	struct dentry			*vram;
508 	struct dentry			*gtt;
509 #endif
510 
511 	/* buffer handling */
512 	const struct amdgpu_buffer_funcs	*buffer_funcs;
513 	struct amdgpu_ring			*buffer_funcs_ring;
514 };
515 
516 int amdgpu_copy_buffer(struct amdgpu_ring *ring,
517 		       uint64_t src_offset,
518 		       uint64_t dst_offset,
519 		       uint32_t byte_count,
520 		       struct reservation_object *resv,
521 		       struct fence **fence);
522 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
523 
524 struct amdgpu_bo_list_entry {
525 	struct amdgpu_bo		*robj;
526 	struct ttm_validate_buffer	tv;
527 	struct amdgpu_bo_va		*bo_va;
528 	unsigned			prefered_domains;
529 	unsigned			allowed_domains;
530 	uint32_t			priority;
531 };
532 
533 struct amdgpu_bo_va_mapping {
534 	struct list_head		list;
535 	struct interval_tree_node	it;
536 	uint64_t			offset;
537 	uint32_t			flags;
538 };
539 
540 /* bo virtual addresses in a specific vm */
541 struct amdgpu_bo_va {
542 	/* protected by bo being reserved */
543 	struct list_head		bo_list;
544 	struct fence		        *last_pt_update;
545 	unsigned			ref_count;
546 
547 	/* protected by vm mutex and spinlock */
548 	struct list_head		vm_status;
549 
550 	/* mappings for this bo_va */
551 	struct list_head		invalids;
552 	struct list_head		valids;
553 
554 	/* constant after initialization */
555 	struct amdgpu_vm		*vm;
556 	struct amdgpu_bo		*bo;
557 };
558 
559 #define AMDGPU_GEM_DOMAIN_MAX		0x3
560 
561 struct amdgpu_bo {
562 	/* Protected by gem.mutex */
563 	struct list_head		list;
564 	/* Protected by tbo.reserved */
565 	u32				initial_domain;
566 	struct ttm_place		placements[AMDGPU_GEM_DOMAIN_MAX + 1];
567 	struct ttm_placement		placement;
568 	struct ttm_buffer_object	tbo;
569 	struct ttm_bo_kmap_obj		kmap;
570 	u64				flags;
571 	unsigned			pin_count;
572 	void				*kptr;
573 	u64				tiling_flags;
574 	u64				metadata_flags;
575 	void				*metadata;
576 	u32				metadata_size;
577 	/* list of all virtual address to which this bo
578 	 * is associated to
579 	 */
580 	struct list_head		va;
581 	/* Constant after initialization */
582 	struct amdgpu_device		*adev;
583 	struct drm_gem_object		gem_base;
584 
585 	struct ttm_bo_kmap_obj		dma_buf_vmap;
586 	pid_t				pid;
587 	struct amdgpu_mn		*mn;
588 	struct list_head		mn_list;
589 };
590 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
591 
592 void amdgpu_gem_object_free(struct drm_gem_object *obj);
593 int amdgpu_gem_object_open(struct drm_gem_object *obj,
594 				struct drm_file *file_priv);
595 void amdgpu_gem_object_close(struct drm_gem_object *obj,
596 				struct drm_file *file_priv);
597 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
598 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
599 struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
600 							struct dma_buf_attachment *attach,
601 							struct sg_table *sg);
602 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
603 					struct drm_gem_object *gobj,
604 					int flags);
605 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
606 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
607 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
608 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
609 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
610 int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
611 
612 /* sub-allocation manager, it has to be protected by another lock.
613  * By conception this is an helper for other part of the driver
614  * like the indirect buffer or semaphore, which both have their
615  * locking.
616  *
617  * Principe is simple, we keep a list of sub allocation in offset
618  * order (first entry has offset == 0, last entry has the highest
619  * offset).
620  *
621  * When allocating new object we first check if there is room at
622  * the end total_size - (last_object_offset + last_object_size) >=
623  * alloc_size. If so we allocate new object there.
624  *
625  * When there is not enough room at the end, we start waiting for
626  * each sub object until we reach object_offset+object_size >=
627  * alloc_size, this object then become the sub object we return.
628  *
629  * Alignment can't be bigger than page size.
630  *
631  * Hole are not considered for allocation to keep things simple.
632  * Assumption is that there won't be hole (all object on same
633  * alignment).
634  */
635 struct amdgpu_sa_manager {
636 	wait_queue_head_t	wq;
637 	struct amdgpu_bo	*bo;
638 	struct list_head	*hole;
639 	struct list_head	flist[AMDGPU_MAX_RINGS];
640 	struct list_head	olist;
641 	unsigned		size;
642 	uint64_t		gpu_addr;
643 	void			*cpu_ptr;
644 	uint32_t		domain;
645 	uint32_t		align;
646 };
647 
648 struct amdgpu_sa_bo;
649 
650 /* sub-allocation buffer */
651 struct amdgpu_sa_bo {
652 	struct list_head		olist;
653 	struct list_head		flist;
654 	struct amdgpu_sa_manager	*manager;
655 	unsigned			soffset;
656 	unsigned			eoffset;
657 	struct fence		        *fence;
658 };
659 
660 /*
661  * GEM objects.
662  */
663 struct amdgpu_gem {
664 	struct mutex		mutex;
665 	struct list_head	objects;
666 };
667 
668 int amdgpu_gem_init(struct amdgpu_device *adev);
669 void amdgpu_gem_fini(struct amdgpu_device *adev);
670 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
671 				int alignment, u32 initial_domain,
672 				u64 flags, bool kernel,
673 				struct drm_gem_object **obj);
674 
675 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
676 			    struct drm_device *dev,
677 			    struct drm_mode_create_dumb *args);
678 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
679 			  struct drm_device *dev,
680 			  uint32_t handle, uint64_t *offset_p);
681 
682 /*
683  * Semaphores.
684  */
685 struct amdgpu_semaphore {
686 	struct amdgpu_sa_bo	*sa_bo;
687 	signed			waiters;
688 	uint64_t		gpu_addr;
689 };
690 
691 int amdgpu_semaphore_create(struct amdgpu_device *adev,
692 			    struct amdgpu_semaphore **semaphore);
693 bool amdgpu_semaphore_emit_signal(struct amdgpu_ring *ring,
694 				  struct amdgpu_semaphore *semaphore);
695 bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring,
696 				struct amdgpu_semaphore *semaphore);
697 void amdgpu_semaphore_free(struct amdgpu_device *adev,
698 			   struct amdgpu_semaphore **semaphore,
699 			   struct fence *fence);
700 
701 /*
702  * Synchronization
703  */
704 struct amdgpu_sync {
705 	struct amdgpu_semaphore *semaphores[AMDGPU_NUM_SYNCS];
706 	struct amdgpu_fence	*sync_to[AMDGPU_MAX_RINGS];
707 	DECLARE_HASHTABLE(fences, 4);
708 	struct fence	        *last_vm_update;
709 };
710 
711 void amdgpu_sync_create(struct amdgpu_sync *sync);
712 int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
713 		      struct fence *f);
714 int amdgpu_sync_resv(struct amdgpu_device *adev,
715 		     struct amdgpu_sync *sync,
716 		     struct reservation_object *resv,
717 		     void *owner);
718 int amdgpu_sync_rings(struct amdgpu_sync *sync,
719 		      struct amdgpu_ring *ring);
720 int amdgpu_sync_wait(struct amdgpu_sync *sync);
721 void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync,
722 		      struct fence *fence);
723 
724 /*
725  * GART structures, functions & helpers
726  */
727 struct amdgpu_mc;
728 
729 #define AMDGPU_GPU_PAGE_SIZE 4096
730 #define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
731 #define AMDGPU_GPU_PAGE_SHIFT 12
732 #define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
733 
734 struct amdgpu_gart {
735 	dma_addr_t			table_addr;
736 	struct amdgpu_bo		*robj;
737 	void				*ptr;
738 	unsigned			num_gpu_pages;
739 	unsigned			num_cpu_pages;
740 	unsigned			table_size;
741 	struct page			**pages;
742 	dma_addr_t			*pages_addr;
743 	bool				ready;
744 	const struct amdgpu_gart_funcs *gart_funcs;
745 };
746 
747 int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
748 void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
749 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
750 void amdgpu_gart_table_vram_free(struct amdgpu_device *adev);
751 int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
752 void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
753 int amdgpu_gart_init(struct amdgpu_device *adev);
754 void amdgpu_gart_fini(struct amdgpu_device *adev);
755 void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
756 			int pages);
757 int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
758 		     int pages, struct page **pagelist,
759 		     dma_addr_t *dma_addr, uint32_t flags);
760 
761 /*
762  * GPU MC structures, functions & helpers
763  */
764 struct amdgpu_mc {
765 	resource_size_t		aper_size;
766 	resource_size_t		aper_base;
767 	resource_size_t		agp_base;
768 	/* for some chips with <= 32MB we need to lie
769 	 * about vram size near mc fb location */
770 	u64			mc_vram_size;
771 	u64			visible_vram_size;
772 	u64			gtt_size;
773 	u64			gtt_start;
774 	u64			gtt_end;
775 	u64			vram_start;
776 	u64			vram_end;
777 	unsigned		vram_width;
778 	u64			real_vram_size;
779 	int			vram_mtrr;
780 	u64                     gtt_base_align;
781 	u64                     mc_mask;
782 	const struct firmware   *fw;	/* MC firmware */
783 	uint32_t                fw_version;
784 	struct amdgpu_irq_src	vm_fault;
785 	uint32_t		vram_type;
786 };
787 
788 /*
789  * GPU doorbell structures, functions & helpers
790  */
791 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
792 {
793 	AMDGPU_DOORBELL_KIQ                     = 0x000,
794 	AMDGPU_DOORBELL_HIQ                     = 0x001,
795 	AMDGPU_DOORBELL_DIQ                     = 0x002,
796 	AMDGPU_DOORBELL_MEC_RING0               = 0x010,
797 	AMDGPU_DOORBELL_MEC_RING1               = 0x011,
798 	AMDGPU_DOORBELL_MEC_RING2               = 0x012,
799 	AMDGPU_DOORBELL_MEC_RING3               = 0x013,
800 	AMDGPU_DOORBELL_MEC_RING4               = 0x014,
801 	AMDGPU_DOORBELL_MEC_RING5               = 0x015,
802 	AMDGPU_DOORBELL_MEC_RING6               = 0x016,
803 	AMDGPU_DOORBELL_MEC_RING7               = 0x017,
804 	AMDGPU_DOORBELL_GFX_RING0               = 0x020,
805 	AMDGPU_DOORBELL_sDMA_ENGINE0            = 0x1E0,
806 	AMDGPU_DOORBELL_sDMA_ENGINE1            = 0x1E1,
807 	AMDGPU_DOORBELL_IH                      = 0x1E8,
808 	AMDGPU_DOORBELL_MAX_ASSIGNMENT          = 0x3FF,
809 	AMDGPU_DOORBELL_INVALID                 = 0xFFFF
810 } AMDGPU_DOORBELL_ASSIGNMENT;
811 
812 struct amdgpu_doorbell {
813 	/* doorbell mmio */
814 	resource_size_t		base;
815 	resource_size_t		size;
816 	u32 __iomem		*ptr;
817 	u32			num_doorbells;	/* Number of doorbells actually reserved for amdgpu. */
818 };
819 
820 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
821 				phys_addr_t *aperture_base,
822 				size_t *aperture_size,
823 				size_t *start_offset);
824 
825 /*
826  * IRQS.
827  */
828 
829 struct amdgpu_flip_work {
830 	struct work_struct		flip_work;
831 	struct work_struct		unpin_work;
832 	struct amdgpu_device		*adev;
833 	int				crtc_id;
834 	uint64_t			base;
835 	struct drm_pending_vblank_event *event;
836 	struct amdgpu_bo		*old_rbo;
837 	struct fence			*excl;
838 	unsigned			shared_count;
839 	struct fence			**shared;
840 };
841 
842 
843 /*
844  * CP & rings.
845  */
846 
847 struct amdgpu_ib {
848 	struct amdgpu_sa_bo		*sa_bo;
849 	uint32_t			length_dw;
850 	uint64_t			gpu_addr;
851 	uint32_t			*ptr;
852 	struct amdgpu_ring		*ring;
853 	struct amdgpu_fence		*fence;
854 	struct amdgpu_user_fence        *user;
855 	struct amdgpu_vm		*vm;
856 	struct amdgpu_ctx		*ctx;
857 	struct amdgpu_sync		sync;
858 	uint32_t			gds_base, gds_size;
859 	uint32_t			gws_base, gws_size;
860 	uint32_t			oa_base, oa_size;
861 	uint32_t			flags;
862 	/* resulting sequence number */
863 	uint64_t			sequence;
864 };
865 
866 enum amdgpu_ring_type {
867 	AMDGPU_RING_TYPE_GFX,
868 	AMDGPU_RING_TYPE_COMPUTE,
869 	AMDGPU_RING_TYPE_SDMA,
870 	AMDGPU_RING_TYPE_UVD,
871 	AMDGPU_RING_TYPE_VCE
872 };
873 
874 extern struct amd_sched_backend_ops amdgpu_sched_ops;
875 
876 int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
877 					 struct amdgpu_ring *ring,
878 					 struct amdgpu_ib *ibs,
879 					 unsigned num_ibs,
880 					 int (*free_job)(struct amdgpu_job *),
881 					 void *owner,
882 					 struct fence **fence);
883 
884 struct amdgpu_ring {
885 	struct amdgpu_device		*adev;
886 	const struct amdgpu_ring_funcs	*funcs;
887 	struct amdgpu_fence_driver	fence_drv;
888 	struct amd_gpu_scheduler 	*scheduler;
889 
890 	spinlock_t              fence_lock;
891 	struct mutex		*ring_lock;
892 	struct amdgpu_bo	*ring_obj;
893 	volatile uint32_t	*ring;
894 	unsigned		rptr_offs;
895 	u64			next_rptr_gpu_addr;
896 	volatile u32		*next_rptr_cpu_addr;
897 	unsigned		wptr;
898 	unsigned		wptr_old;
899 	unsigned		ring_size;
900 	unsigned		ring_free_dw;
901 	int			count_dw;
902 	atomic_t		last_rptr;
903 	atomic64_t		last_activity;
904 	uint64_t		gpu_addr;
905 	uint32_t		align_mask;
906 	uint32_t		ptr_mask;
907 	bool			ready;
908 	u32			nop;
909 	u32			idx;
910 	u64			last_semaphore_signal_addr;
911 	u64			last_semaphore_wait_addr;
912 	u32			me;
913 	u32			pipe;
914 	u32			queue;
915 	struct amdgpu_bo	*mqd_obj;
916 	u32			doorbell_index;
917 	bool			use_doorbell;
918 	unsigned		wptr_offs;
919 	unsigned		next_rptr_offs;
920 	unsigned		fence_offs;
921 	struct amdgpu_ctx	*current_ctx;
922 	enum amdgpu_ring_type	type;
923 	char			name[16];
924 	bool                    is_pte_ring;
925 };
926 
927 /*
928  * VM
929  */
930 
931 /* maximum number of VMIDs */
932 #define AMDGPU_NUM_VM	16
933 
934 /* number of entries in page table */
935 #define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
936 
937 /* PTBs (Page Table Blocks) need to be aligned to 32K */
938 #define AMDGPU_VM_PTB_ALIGN_SIZE   32768
939 #define AMDGPU_VM_PTB_ALIGN_MASK (AMDGPU_VM_PTB_ALIGN_SIZE - 1)
940 #define AMDGPU_VM_PTB_ALIGN(a) (((a) + AMDGPU_VM_PTB_ALIGN_MASK) & ~AMDGPU_VM_PTB_ALIGN_MASK)
941 
942 #define AMDGPU_PTE_VALID	(1 << 0)
943 #define AMDGPU_PTE_SYSTEM	(1 << 1)
944 #define AMDGPU_PTE_SNOOPED	(1 << 2)
945 
946 /* VI only */
947 #define AMDGPU_PTE_EXECUTABLE	(1 << 4)
948 
949 #define AMDGPU_PTE_READABLE	(1 << 5)
950 #define AMDGPU_PTE_WRITEABLE	(1 << 6)
951 
952 /* PTE (Page Table Entry) fragment field for different page sizes */
953 #define AMDGPU_PTE_FRAG_4KB	(0 << 7)
954 #define AMDGPU_PTE_FRAG_64KB	(4 << 7)
955 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
956 
957 struct amdgpu_vm_pt {
958 	struct amdgpu_bo		*bo;
959 	uint64_t			addr;
960 };
961 
962 struct amdgpu_vm_id {
963 	unsigned		id;
964 	uint64_t		pd_gpu_addr;
965 	/* last flushed PD/PT update */
966 	struct fence	        *flushed_updates;
967 	/* last use of vmid */
968 	struct amdgpu_fence	*last_id_use;
969 };
970 
971 struct amdgpu_vm {
972 	struct mutex		mutex;
973 
974 	struct rb_root		va;
975 
976 	/* protecting invalidated */
977 	spinlock_t		status_lock;
978 
979 	/* BOs moved, but not yet updated in the PT */
980 	struct list_head	invalidated;
981 
982 	/* BOs cleared in the PT because of a move */
983 	struct list_head	cleared;
984 
985 	/* BO mappings freed, but not yet updated in the PT */
986 	struct list_head	freed;
987 
988 	/* contains the page directory */
989 	struct amdgpu_bo	*page_directory;
990 	unsigned		max_pde_used;
991 	struct fence		*page_directory_fence;
992 
993 	/* array of page tables, one for each page directory entry */
994 	struct amdgpu_vm_pt	*page_tables;
995 
996 	/* for id and flush management per ring */
997 	struct amdgpu_vm_id	ids[AMDGPU_MAX_RINGS];
998 };
999 
1000 struct amdgpu_vm_manager {
1001 	struct amdgpu_fence		*active[AMDGPU_NUM_VM];
1002 	uint32_t			max_pfn;
1003 	/* number of VMIDs */
1004 	unsigned			nvm;
1005 	/* vram base address for page table entry  */
1006 	u64				vram_base_offset;
1007 	/* is vm enabled? */
1008 	bool				enabled;
1009 	/* for hw to save the PD addr on suspend/resume */
1010 	uint32_t			saved_table_addr[AMDGPU_NUM_VM];
1011 	/* vm pte handling */
1012 	const struct amdgpu_vm_pte_funcs        *vm_pte_funcs;
1013 	struct amdgpu_ring                      *vm_pte_funcs_ring;
1014 };
1015 
1016 /*
1017  * context related structures
1018  */
1019 
1020 #define AMDGPU_CTX_MAX_CS_PENDING	16
1021 
1022 struct amdgpu_ctx_ring {
1023 	uint64_t		sequence;
1024 	struct fence		*fences[AMDGPU_CTX_MAX_CS_PENDING];
1025 	struct amd_sched_entity	entity;
1026 };
1027 
1028 struct amdgpu_ctx {
1029 	struct kref		refcount;
1030 	struct amdgpu_device    *adev;
1031 	unsigned		reset_counter;
1032 	spinlock_t		ring_lock;
1033 	struct amdgpu_ctx_ring	rings[AMDGPU_MAX_RINGS];
1034 };
1035 
1036 struct amdgpu_ctx_mgr {
1037 	struct amdgpu_device	*adev;
1038 	struct mutex		lock;
1039 	/* protected by lock */
1040 	struct idr		ctx_handles;
1041 };
1042 
1043 int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel,
1044 		    struct amdgpu_ctx *ctx);
1045 void amdgpu_ctx_fini(struct amdgpu_ctx *ctx);
1046 
1047 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
1048 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
1049 
1050 uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
1051 			      struct fence *fence);
1052 struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
1053 				   struct amdgpu_ring *ring, uint64_t seq);
1054 
1055 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
1056 		     struct drm_file *filp);
1057 
1058 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
1059 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
1060 
1061 /*
1062  * file private structure
1063  */
1064 
1065 struct amdgpu_fpriv {
1066 	struct amdgpu_vm	vm;
1067 	struct mutex		bo_list_lock;
1068 	struct idr		bo_list_handles;
1069 	struct amdgpu_ctx_mgr	ctx_mgr;
1070 };
1071 
1072 /*
1073  * residency list
1074  */
1075 
1076 struct amdgpu_bo_list {
1077 	struct mutex lock;
1078 	struct amdgpu_bo *gds_obj;
1079 	struct amdgpu_bo *gws_obj;
1080 	struct amdgpu_bo *oa_obj;
1081 	bool has_userptr;
1082 	unsigned num_entries;
1083 	struct amdgpu_bo_list_entry *array;
1084 };
1085 
1086 struct amdgpu_bo_list *
1087 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
1088 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
1089 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
1090 
1091 /*
1092  * GFX stuff
1093  */
1094 #include "clearstate_defs.h"
1095 
1096 struct amdgpu_rlc {
1097 	/* for power gating */
1098 	struct amdgpu_bo	*save_restore_obj;
1099 	uint64_t		save_restore_gpu_addr;
1100 	volatile uint32_t	*sr_ptr;
1101 	const u32               *reg_list;
1102 	u32                     reg_list_size;
1103 	/* for clear state */
1104 	struct amdgpu_bo	*clear_state_obj;
1105 	uint64_t		clear_state_gpu_addr;
1106 	volatile uint32_t	*cs_ptr;
1107 	const struct cs_section_def   *cs_data;
1108 	u32                     clear_state_size;
1109 	/* for cp tables */
1110 	struct amdgpu_bo	*cp_table_obj;
1111 	uint64_t		cp_table_gpu_addr;
1112 	volatile uint32_t	*cp_table_ptr;
1113 	u32                     cp_table_size;
1114 };
1115 
1116 struct amdgpu_mec {
1117 	struct amdgpu_bo	*hpd_eop_obj;
1118 	u64			hpd_eop_gpu_addr;
1119 	u32 num_pipe;
1120 	u32 num_mec;
1121 	u32 num_queue;
1122 };
1123 
1124 /*
1125  * GPU scratch registers structures, functions & helpers
1126  */
1127 struct amdgpu_scratch {
1128 	unsigned		num_reg;
1129 	uint32_t                reg_base;
1130 	bool			free[32];
1131 	uint32_t		reg[32];
1132 };
1133 
1134 /*
1135  * GFX configurations
1136  */
1137 struct amdgpu_gca_config {
1138 	unsigned max_shader_engines;
1139 	unsigned max_tile_pipes;
1140 	unsigned max_cu_per_sh;
1141 	unsigned max_sh_per_se;
1142 	unsigned max_backends_per_se;
1143 	unsigned max_texture_channel_caches;
1144 	unsigned max_gprs;
1145 	unsigned max_gs_threads;
1146 	unsigned max_hw_contexts;
1147 	unsigned sc_prim_fifo_size_frontend;
1148 	unsigned sc_prim_fifo_size_backend;
1149 	unsigned sc_hiz_tile_fifo_size;
1150 	unsigned sc_earlyz_tile_fifo_size;
1151 
1152 	unsigned num_tile_pipes;
1153 	unsigned backend_enable_mask;
1154 	unsigned mem_max_burst_length_bytes;
1155 	unsigned mem_row_size_in_kb;
1156 	unsigned shader_engine_tile_size;
1157 	unsigned num_gpus;
1158 	unsigned multi_gpu_tile_size;
1159 	unsigned mc_arb_ramcfg;
1160 	unsigned gb_addr_config;
1161 
1162 	uint32_t tile_mode_array[32];
1163 	uint32_t macrotile_mode_array[16];
1164 };
1165 
1166 struct amdgpu_gfx {
1167 	struct mutex			gpu_clock_mutex;
1168 	struct amdgpu_gca_config	config;
1169 	struct amdgpu_rlc		rlc;
1170 	struct amdgpu_mec		mec;
1171 	struct amdgpu_scratch		scratch;
1172 	const struct firmware		*me_fw;	/* ME firmware */
1173 	uint32_t			me_fw_version;
1174 	const struct firmware		*pfp_fw; /* PFP firmware */
1175 	uint32_t			pfp_fw_version;
1176 	const struct firmware		*ce_fw;	/* CE firmware */
1177 	uint32_t			ce_fw_version;
1178 	const struct firmware		*rlc_fw; /* RLC firmware */
1179 	uint32_t			rlc_fw_version;
1180 	const struct firmware		*mec_fw; /* MEC firmware */
1181 	uint32_t			mec_fw_version;
1182 	const struct firmware		*mec2_fw; /* MEC2 firmware */
1183 	uint32_t			mec2_fw_version;
1184 	uint32_t			me_feature_version;
1185 	uint32_t			ce_feature_version;
1186 	uint32_t			pfp_feature_version;
1187 	uint32_t			rlc_feature_version;
1188 	uint32_t			mec_feature_version;
1189 	uint32_t			mec2_feature_version;
1190 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
1191 	unsigned			num_gfx_rings;
1192 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
1193 	unsigned			num_compute_rings;
1194 	struct amdgpu_irq_src		eop_irq;
1195 	struct amdgpu_irq_src		priv_reg_irq;
1196 	struct amdgpu_irq_src		priv_inst_irq;
1197 	/* gfx status */
1198 	uint32_t gfx_current_status;
1199 	/* sync signal for const engine */
1200 	unsigned ce_sync_offs;
1201 	/* ce ram size*/
1202 	unsigned ce_ram_size;
1203 };
1204 
1205 int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
1206 		  unsigned size, struct amdgpu_ib *ib);
1207 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib);
1208 int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
1209 		       struct amdgpu_ib *ib, void *owner);
1210 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
1211 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
1212 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
1213 /* Ring access between begin & end cannot sleep */
1214 void amdgpu_ring_free_size(struct amdgpu_ring *ring);
1215 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
1216 int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
1217 void amdgpu_ring_commit(struct amdgpu_ring *ring);
1218 void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
1219 void amdgpu_ring_undo(struct amdgpu_ring *ring);
1220 void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
1221 void amdgpu_ring_lockup_update(struct amdgpu_ring *ring);
1222 bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring);
1223 unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
1224 			    uint32_t **data);
1225 int amdgpu_ring_restore(struct amdgpu_ring *ring,
1226 			unsigned size, uint32_t *data);
1227 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
1228 		     unsigned ring_size, u32 nop, u32 align_mask,
1229 		     struct amdgpu_irq_src *irq_src, unsigned irq_type,
1230 		     enum amdgpu_ring_type ring_type);
1231 void amdgpu_ring_fini(struct amdgpu_ring *ring);
1232 
1233 /*
1234  * CS.
1235  */
1236 struct amdgpu_cs_chunk {
1237 	uint32_t		chunk_id;
1238 	uint32_t		length_dw;
1239 	uint32_t		*kdata;
1240 	void __user		*user_ptr;
1241 };
1242 
1243 struct amdgpu_cs_parser {
1244 	struct amdgpu_device	*adev;
1245 	struct drm_file		*filp;
1246 	struct amdgpu_ctx	*ctx;
1247 	struct amdgpu_bo_list *bo_list;
1248 	/* chunks */
1249 	unsigned		nchunks;
1250 	struct amdgpu_cs_chunk	*chunks;
1251 	/* relocations */
1252 	struct amdgpu_bo_list_entry	*vm_bos;
1253 	struct list_head	validated;
1254 
1255 	struct amdgpu_ib	*ibs;
1256 	uint32_t		num_ibs;
1257 
1258 	struct ww_acquire_ctx	ticket;
1259 
1260 	/* user fence */
1261 	struct amdgpu_user_fence uf;
1262 };
1263 
1264 struct amdgpu_job {
1265 	struct amd_sched_job    base;
1266 	struct amdgpu_device	*adev;
1267 	struct amdgpu_ib	*ibs;
1268 	uint32_t		num_ibs;
1269 	struct mutex            job_lock;
1270 	struct amdgpu_user_fence uf;
1271 	int (*free_job)(struct amdgpu_job *sched_job);
1272 };
1273 
1274 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
1275 {
1276 	return p->ibs[ib_idx].ptr[idx];
1277 }
1278 
1279 /*
1280  * Writeback
1281  */
1282 #define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1283 
1284 struct amdgpu_wb {
1285 	struct amdgpu_bo	*wb_obj;
1286 	volatile uint32_t	*wb;
1287 	uint64_t		gpu_addr;
1288 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
1289 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1290 };
1291 
1292 int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
1293 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
1294 
1295 /**
1296  * struct amdgpu_pm - power management datas
1297  * It keeps track of various data needed to take powermanagement decision.
1298  */
1299 
1300 enum amdgpu_pm_state_type {
1301 	/* not used for dpm */
1302 	POWER_STATE_TYPE_DEFAULT,
1303 	POWER_STATE_TYPE_POWERSAVE,
1304 	/* user selectable states */
1305 	POWER_STATE_TYPE_BATTERY,
1306 	POWER_STATE_TYPE_BALANCED,
1307 	POWER_STATE_TYPE_PERFORMANCE,
1308 	/* internal states */
1309 	POWER_STATE_TYPE_INTERNAL_UVD,
1310 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1311 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1312 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1313 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1314 	POWER_STATE_TYPE_INTERNAL_BOOT,
1315 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1316 	POWER_STATE_TYPE_INTERNAL_ACPI,
1317 	POWER_STATE_TYPE_INTERNAL_ULV,
1318 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1319 };
1320 
1321 enum amdgpu_int_thermal_type {
1322 	THERMAL_TYPE_NONE,
1323 	THERMAL_TYPE_EXTERNAL,
1324 	THERMAL_TYPE_EXTERNAL_GPIO,
1325 	THERMAL_TYPE_RV6XX,
1326 	THERMAL_TYPE_RV770,
1327 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1328 	THERMAL_TYPE_EVERGREEN,
1329 	THERMAL_TYPE_SUMO,
1330 	THERMAL_TYPE_NI,
1331 	THERMAL_TYPE_SI,
1332 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1333 	THERMAL_TYPE_CI,
1334 	THERMAL_TYPE_KV,
1335 };
1336 
1337 enum amdgpu_dpm_auto_throttle_src {
1338 	AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
1339 	AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1340 };
1341 
1342 enum amdgpu_dpm_event_src {
1343 	AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
1344 	AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
1345 	AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
1346 	AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1347 	AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1348 };
1349 
1350 #define AMDGPU_MAX_VCE_LEVELS 6
1351 
1352 enum amdgpu_vce_level {
1353 	AMDGPU_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1354 	AMDGPU_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1355 	AMDGPU_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1356 	AMDGPU_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1357 	AMDGPU_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1358 	AMDGPU_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1359 };
1360 
1361 struct amdgpu_ps {
1362 	u32 caps; /* vbios flags */
1363 	u32 class; /* vbios flags */
1364 	u32 class2; /* vbios flags */
1365 	/* UVD clocks */
1366 	u32 vclk;
1367 	u32 dclk;
1368 	/* VCE clocks */
1369 	u32 evclk;
1370 	u32 ecclk;
1371 	bool vce_active;
1372 	enum amdgpu_vce_level vce_level;
1373 	/* asic priv */
1374 	void *ps_priv;
1375 };
1376 
1377 struct amdgpu_dpm_thermal {
1378 	/* thermal interrupt work */
1379 	struct work_struct work;
1380 	/* low temperature threshold */
1381 	int                min_temp;
1382 	/* high temperature threshold */
1383 	int                max_temp;
1384 	/* was last interrupt low to high or high to low */
1385 	bool               high_to_low;
1386 	/* interrupt source */
1387 	struct amdgpu_irq_src	irq;
1388 };
1389 
1390 enum amdgpu_clk_action
1391 {
1392 	AMDGPU_SCLK_UP = 1,
1393 	AMDGPU_SCLK_DOWN
1394 };
1395 
1396 struct amdgpu_blacklist_clocks
1397 {
1398 	u32 sclk;
1399 	u32 mclk;
1400 	enum amdgpu_clk_action action;
1401 };
1402 
1403 struct amdgpu_clock_and_voltage_limits {
1404 	u32 sclk;
1405 	u32 mclk;
1406 	u16 vddc;
1407 	u16 vddci;
1408 };
1409 
1410 struct amdgpu_clock_array {
1411 	u32 count;
1412 	u32 *values;
1413 };
1414 
1415 struct amdgpu_clock_voltage_dependency_entry {
1416 	u32 clk;
1417 	u16 v;
1418 };
1419 
1420 struct amdgpu_clock_voltage_dependency_table {
1421 	u32 count;
1422 	struct amdgpu_clock_voltage_dependency_entry *entries;
1423 };
1424 
1425 union amdgpu_cac_leakage_entry {
1426 	struct {
1427 		u16 vddc;
1428 		u32 leakage;
1429 	};
1430 	struct {
1431 		u16 vddc1;
1432 		u16 vddc2;
1433 		u16 vddc3;
1434 	};
1435 };
1436 
1437 struct amdgpu_cac_leakage_table {
1438 	u32 count;
1439 	union amdgpu_cac_leakage_entry *entries;
1440 };
1441 
1442 struct amdgpu_phase_shedding_limits_entry {
1443 	u16 voltage;
1444 	u32 sclk;
1445 	u32 mclk;
1446 };
1447 
1448 struct amdgpu_phase_shedding_limits_table {
1449 	u32 count;
1450 	struct amdgpu_phase_shedding_limits_entry *entries;
1451 };
1452 
1453 struct amdgpu_uvd_clock_voltage_dependency_entry {
1454 	u32 vclk;
1455 	u32 dclk;
1456 	u16 v;
1457 };
1458 
1459 struct amdgpu_uvd_clock_voltage_dependency_table {
1460 	u8 count;
1461 	struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
1462 };
1463 
1464 struct amdgpu_vce_clock_voltage_dependency_entry {
1465 	u32 ecclk;
1466 	u32 evclk;
1467 	u16 v;
1468 };
1469 
1470 struct amdgpu_vce_clock_voltage_dependency_table {
1471 	u8 count;
1472 	struct amdgpu_vce_clock_voltage_dependency_entry *entries;
1473 };
1474 
1475 struct amdgpu_ppm_table {
1476 	u8 ppm_design;
1477 	u16 cpu_core_number;
1478 	u32 platform_tdp;
1479 	u32 small_ac_platform_tdp;
1480 	u32 platform_tdc;
1481 	u32 small_ac_platform_tdc;
1482 	u32 apu_tdp;
1483 	u32 dgpu_tdp;
1484 	u32 dgpu_ulv_power;
1485 	u32 tj_max;
1486 };
1487 
1488 struct amdgpu_cac_tdp_table {
1489 	u16 tdp;
1490 	u16 configurable_tdp;
1491 	u16 tdc;
1492 	u16 battery_power_limit;
1493 	u16 small_power_limit;
1494 	u16 low_cac_leakage;
1495 	u16 high_cac_leakage;
1496 	u16 maximum_power_delivery_limit;
1497 };
1498 
1499 struct amdgpu_dpm_dynamic_state {
1500 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
1501 	struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
1502 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
1503 	struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1504 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1505 	struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1506 	struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1507 	struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1508 	struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1509 	struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
1510 	struct amdgpu_clock_array valid_sclk_values;
1511 	struct amdgpu_clock_array valid_mclk_values;
1512 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
1513 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
1514 	u32 mclk_sclk_ratio;
1515 	u32 sclk_mclk_delta;
1516 	u16 vddc_vddci_delta;
1517 	u16 min_vddc_for_pcie_gen2;
1518 	struct amdgpu_cac_leakage_table cac_leakage_table;
1519 	struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
1520 	struct amdgpu_ppm_table *ppm_table;
1521 	struct amdgpu_cac_tdp_table *cac_tdp_table;
1522 };
1523 
1524 struct amdgpu_dpm_fan {
1525 	u16 t_min;
1526 	u16 t_med;
1527 	u16 t_high;
1528 	u16 pwm_min;
1529 	u16 pwm_med;
1530 	u16 pwm_high;
1531 	u8 t_hyst;
1532 	u32 cycle_delay;
1533 	u16 t_max;
1534 	u8 control_mode;
1535 	u16 default_max_fan_pwm;
1536 	u16 default_fan_output_sensitivity;
1537 	u16 fan_output_sensitivity;
1538 	bool ucode_fan_control;
1539 };
1540 
1541 enum amdgpu_pcie_gen {
1542 	AMDGPU_PCIE_GEN1 = 0,
1543 	AMDGPU_PCIE_GEN2 = 1,
1544 	AMDGPU_PCIE_GEN3 = 2,
1545 	AMDGPU_PCIE_GEN_INVALID = 0xffff
1546 };
1547 
1548 enum amdgpu_dpm_forced_level {
1549 	AMDGPU_DPM_FORCED_LEVEL_AUTO = 0,
1550 	AMDGPU_DPM_FORCED_LEVEL_LOW = 1,
1551 	AMDGPU_DPM_FORCED_LEVEL_HIGH = 2,
1552 };
1553 
1554 struct amdgpu_vce_state {
1555 	/* vce clocks */
1556 	u32 evclk;
1557 	u32 ecclk;
1558 	/* gpu clocks */
1559 	u32 sclk;
1560 	u32 mclk;
1561 	u8 clk_idx;
1562 	u8 pstate;
1563 };
1564 
1565 struct amdgpu_dpm_funcs {
1566 	int (*get_temperature)(struct amdgpu_device *adev);
1567 	int (*pre_set_power_state)(struct amdgpu_device *adev);
1568 	int (*set_power_state)(struct amdgpu_device *adev);
1569 	void (*post_set_power_state)(struct amdgpu_device *adev);
1570 	void (*display_configuration_changed)(struct amdgpu_device *adev);
1571 	u32 (*get_sclk)(struct amdgpu_device *adev, bool low);
1572 	u32 (*get_mclk)(struct amdgpu_device *adev, bool low);
1573 	void (*print_power_state)(struct amdgpu_device *adev, struct amdgpu_ps *ps);
1574 	void (*debugfs_print_current_performance_level)(struct amdgpu_device *adev, struct seq_file *m);
1575 	int (*force_performance_level)(struct amdgpu_device *adev, enum amdgpu_dpm_forced_level level);
1576 	bool (*vblank_too_short)(struct amdgpu_device *adev);
1577 	void (*powergate_uvd)(struct amdgpu_device *adev, bool gate);
1578 	void (*powergate_vce)(struct amdgpu_device *adev, bool gate);
1579 	void (*enable_bapm)(struct amdgpu_device *adev, bool enable);
1580 	void (*set_fan_control_mode)(struct amdgpu_device *adev, u32 mode);
1581 	u32 (*get_fan_control_mode)(struct amdgpu_device *adev);
1582 	int (*set_fan_speed_percent)(struct amdgpu_device *adev, u32 speed);
1583 	int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed);
1584 };
1585 
1586 struct amdgpu_dpm {
1587 	struct amdgpu_ps        *ps;
1588 	/* number of valid power states */
1589 	int                     num_ps;
1590 	/* current power state that is active */
1591 	struct amdgpu_ps        *current_ps;
1592 	/* requested power state */
1593 	struct amdgpu_ps        *requested_ps;
1594 	/* boot up power state */
1595 	struct amdgpu_ps        *boot_ps;
1596 	/* default uvd power state */
1597 	struct amdgpu_ps        *uvd_ps;
1598 	/* vce requirements */
1599 	struct amdgpu_vce_state vce_states[AMDGPU_MAX_VCE_LEVELS];
1600 	enum amdgpu_vce_level vce_level;
1601 	enum amdgpu_pm_state_type state;
1602 	enum amdgpu_pm_state_type user_state;
1603 	u32                     platform_caps;
1604 	u32                     voltage_response_time;
1605 	u32                     backbias_response_time;
1606 	void                    *priv;
1607 	u32			new_active_crtcs;
1608 	int			new_active_crtc_count;
1609 	u32			current_active_crtcs;
1610 	int			current_active_crtc_count;
1611 	struct amdgpu_dpm_dynamic_state dyn_state;
1612 	struct amdgpu_dpm_fan fan;
1613 	u32 tdp_limit;
1614 	u32 near_tdp_limit;
1615 	u32 near_tdp_limit_adjusted;
1616 	u32 sq_ramping_threshold;
1617 	u32 cac_leakage;
1618 	u16 tdp_od_limit;
1619 	u32 tdp_adjustment;
1620 	u16 load_line_slope;
1621 	bool power_control;
1622 	bool ac_power;
1623 	/* special states active */
1624 	bool                    thermal_active;
1625 	bool                    uvd_active;
1626 	bool                    vce_active;
1627 	/* thermal handling */
1628 	struct amdgpu_dpm_thermal thermal;
1629 	/* forced levels */
1630 	enum amdgpu_dpm_forced_level forced_level;
1631 };
1632 
1633 struct amdgpu_pm {
1634 	struct mutex		mutex;
1635 	u32                     current_sclk;
1636 	u32                     current_mclk;
1637 	u32                     default_sclk;
1638 	u32                     default_mclk;
1639 	struct amdgpu_i2c_chan *i2c_bus;
1640 	/* internal thermal controller on rv6xx+ */
1641 	enum amdgpu_int_thermal_type int_thermal_type;
1642 	struct device	        *int_hwmon_dev;
1643 	/* fan control parameters */
1644 	bool                    no_fan;
1645 	u8                      fan_pulses_per_revolution;
1646 	u8                      fan_min_rpm;
1647 	u8                      fan_max_rpm;
1648 	/* dpm */
1649 	bool                    dpm_enabled;
1650 	struct amdgpu_dpm       dpm;
1651 	const struct firmware	*fw;	/* SMC firmware */
1652 	uint32_t                fw_version;
1653 	const struct amdgpu_dpm_funcs *funcs;
1654 };
1655 
1656 /*
1657  * UVD
1658  */
1659 #define AMDGPU_MAX_UVD_HANDLES	10
1660 #define AMDGPU_UVD_STACK_SIZE	(1024*1024)
1661 #define AMDGPU_UVD_HEAP_SIZE	(1024*1024)
1662 #define AMDGPU_UVD_FIRMWARE_OFFSET 256
1663 
1664 struct amdgpu_uvd {
1665 	struct amdgpu_bo	*vcpu_bo;
1666 	void			*cpu_addr;
1667 	uint64_t		gpu_addr;
1668 	void			*saved_bo;
1669 	atomic_t		handles[AMDGPU_MAX_UVD_HANDLES];
1670 	struct drm_file		*filp[AMDGPU_MAX_UVD_HANDLES];
1671 	struct delayed_work	idle_work;
1672 	const struct firmware	*fw;	/* UVD firmware */
1673 	struct amdgpu_ring	ring;
1674 	struct amdgpu_irq_src	irq;
1675 	bool			address_64_bit;
1676 };
1677 
1678 /*
1679  * VCE
1680  */
1681 #define AMDGPU_MAX_VCE_HANDLES	16
1682 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
1683 
1684 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
1685 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
1686 
1687 struct amdgpu_vce {
1688 	struct amdgpu_bo	*vcpu_bo;
1689 	uint64_t		gpu_addr;
1690 	unsigned		fw_version;
1691 	unsigned		fb_version;
1692 	atomic_t		handles[AMDGPU_MAX_VCE_HANDLES];
1693 	struct drm_file		*filp[AMDGPU_MAX_VCE_HANDLES];
1694 	uint32_t		img_size[AMDGPU_MAX_VCE_HANDLES];
1695 	struct delayed_work	idle_work;
1696 	const struct firmware	*fw;	/* VCE firmware */
1697 	struct amdgpu_ring	ring[AMDGPU_MAX_VCE_RINGS];
1698 	struct amdgpu_irq_src	irq;
1699 	unsigned		harvest_config;
1700 };
1701 
1702 /*
1703  * SDMA
1704  */
1705 struct amdgpu_sdma {
1706 	/* SDMA firmware */
1707 	const struct firmware	*fw;
1708 	uint32_t		fw_version;
1709 	uint32_t		feature_version;
1710 
1711 	struct amdgpu_ring	ring;
1712 };
1713 
1714 /*
1715  * Firmware
1716  */
1717 struct amdgpu_firmware {
1718 	struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1719 	bool smu_load;
1720 	struct amdgpu_bo *fw_buf;
1721 	unsigned int fw_size;
1722 };
1723 
1724 /*
1725  * Benchmarking
1726  */
1727 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1728 
1729 
1730 /*
1731  * Testing
1732  */
1733 void amdgpu_test_moves(struct amdgpu_device *adev);
1734 void amdgpu_test_ring_sync(struct amdgpu_device *adev,
1735 			   struct amdgpu_ring *cpA,
1736 			   struct amdgpu_ring *cpB);
1737 void amdgpu_test_syncing(struct amdgpu_device *adev);
1738 
1739 /*
1740  * MMU Notifier
1741  */
1742 #if defined(CONFIG_MMU_NOTIFIER)
1743 int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
1744 void amdgpu_mn_unregister(struct amdgpu_bo *bo);
1745 #else
1746 static int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
1747 {
1748 	return -ENODEV;
1749 }
1750 static void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
1751 #endif
1752 
1753 /*
1754  * Debugfs
1755  */
1756 struct amdgpu_debugfs {
1757 	struct drm_info_list	*files;
1758 	unsigned		num_files;
1759 };
1760 
1761 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
1762 			     struct drm_info_list *files,
1763 			     unsigned nfiles);
1764 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
1765 
1766 #if defined(CONFIG_DEBUG_FS)
1767 int amdgpu_debugfs_init(struct drm_minor *minor);
1768 void amdgpu_debugfs_cleanup(struct drm_minor *minor);
1769 #endif
1770 
1771 /*
1772  * amdgpu smumgr functions
1773  */
1774 struct amdgpu_smumgr_funcs {
1775 	int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1776 	int (*request_smu_load_fw)(struct amdgpu_device *adev);
1777 	int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1778 };
1779 
1780 /*
1781  * amdgpu smumgr
1782  */
1783 struct amdgpu_smumgr {
1784 	struct amdgpu_bo *toc_buf;
1785 	struct amdgpu_bo *smu_buf;
1786 	/* asic priv smu data */
1787 	void *priv;
1788 	spinlock_t smu_lock;
1789 	/* smumgr functions */
1790 	const struct amdgpu_smumgr_funcs *smumgr_funcs;
1791 	/* ucode loading complete flag */
1792 	uint32_t fw_flags;
1793 };
1794 
1795 /*
1796  * ASIC specific register table accessible by UMD
1797  */
1798 struct amdgpu_allowed_register_entry {
1799 	uint32_t reg_offset;
1800 	bool untouched;
1801 	bool grbm_indexed;
1802 };
1803 
1804 struct amdgpu_cu_info {
1805 	uint32_t number; /* total active CU number */
1806 	uint32_t ao_cu_mask;
1807 	uint32_t bitmap[4][4];
1808 };
1809 
1810 
1811 /*
1812  * ASIC specific functions.
1813  */
1814 struct amdgpu_asic_funcs {
1815 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
1816 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1817 			     u32 sh_num, u32 reg_offset, u32 *value);
1818 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1819 	int (*reset)(struct amdgpu_device *adev);
1820 	/* wait for mc_idle */
1821 	int (*wait_for_mc_idle)(struct amdgpu_device *adev);
1822 	/* get the reference clock */
1823 	u32 (*get_xclk)(struct amdgpu_device *adev);
1824 	/* get the gpu clock counter */
1825 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
1826 	int (*get_cu_info)(struct amdgpu_device *adev, struct amdgpu_cu_info *info);
1827 	/* MM block clocks */
1828 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1829 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1830 };
1831 
1832 /*
1833  * IOCTL.
1834  */
1835 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1836 			    struct drm_file *filp);
1837 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1838 				struct drm_file *filp);
1839 
1840 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1841 			  struct drm_file *filp);
1842 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1843 			struct drm_file *filp);
1844 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1845 			  struct drm_file *filp);
1846 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1847 			      struct drm_file *filp);
1848 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1849 			  struct drm_file *filp);
1850 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1851 			struct drm_file *filp);
1852 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1853 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1854 
1855 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1856 				struct drm_file *filp);
1857 
1858 /* VRAM scratch page for HDP bug, default vram page */
1859 struct amdgpu_vram_scratch {
1860 	struct amdgpu_bo		*robj;
1861 	volatile uint32_t		*ptr;
1862 	u64				gpu_addr;
1863 };
1864 
1865 /*
1866  * ACPI
1867  */
1868 struct amdgpu_atif_notification_cfg {
1869 	bool enabled;
1870 	int command_code;
1871 };
1872 
1873 struct amdgpu_atif_notifications {
1874 	bool display_switch;
1875 	bool expansion_mode_change;
1876 	bool thermal_state;
1877 	bool forced_power_state;
1878 	bool system_power_state;
1879 	bool display_conf_change;
1880 	bool px_gfx_switch;
1881 	bool brightness_change;
1882 	bool dgpu_display_event;
1883 };
1884 
1885 struct amdgpu_atif_functions {
1886 	bool system_params;
1887 	bool sbios_requests;
1888 	bool select_active_disp;
1889 	bool lid_state;
1890 	bool get_tv_standard;
1891 	bool set_tv_standard;
1892 	bool get_panel_expansion_mode;
1893 	bool set_panel_expansion_mode;
1894 	bool temperature_change;
1895 	bool graphics_device_types;
1896 };
1897 
1898 struct amdgpu_atif {
1899 	struct amdgpu_atif_notifications notifications;
1900 	struct amdgpu_atif_functions functions;
1901 	struct amdgpu_atif_notification_cfg notification_cfg;
1902 	struct amdgpu_encoder *encoder_for_bl;
1903 };
1904 
1905 struct amdgpu_atcs_functions {
1906 	bool get_ext_state;
1907 	bool pcie_perf_req;
1908 	bool pcie_dev_rdy;
1909 	bool pcie_bus_width;
1910 };
1911 
1912 struct amdgpu_atcs {
1913 	struct amdgpu_atcs_functions functions;
1914 };
1915 
1916 /*
1917  * CGS
1918  */
1919 void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1920 void amdgpu_cgs_destroy_device(void *cgs_device);
1921 
1922 
1923 /*
1924  * Core structure, functions and helpers.
1925  */
1926 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1927 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1928 
1929 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1930 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1931 
1932 struct amdgpu_ip_block_status {
1933 	bool valid;
1934 	bool sw;
1935 	bool hw;
1936 };
1937 
1938 struct amdgpu_device {
1939 	struct device			*dev;
1940 	struct drm_device		*ddev;
1941 	struct pci_dev			*pdev;
1942 	struct rw_semaphore		exclusive_lock;
1943 
1944 	/* ASIC */
1945 	enum amd_asic_type		asic_type;
1946 	uint32_t			family;
1947 	uint32_t			rev_id;
1948 	uint32_t			external_rev_id;
1949 	unsigned long			flags;
1950 	int				usec_timeout;
1951 	const struct amdgpu_asic_funcs	*asic_funcs;
1952 	bool				shutdown;
1953 	bool				suspend;
1954 	bool				need_dma32;
1955 	bool				accel_working;
1956 	bool				needs_reset;
1957 	struct work_struct 		reset_work;
1958 	struct notifier_block		acpi_nb;
1959 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
1960 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1961 	unsigned 			debugfs_count;
1962 #if defined(CONFIG_DEBUG_FS)
1963 	struct dentry			*debugfs_regs;
1964 #endif
1965 	struct amdgpu_atif		atif;
1966 	struct amdgpu_atcs		atcs;
1967 	struct mutex			srbm_mutex;
1968 	/* GRBM index mutex. Protects concurrent access to GRBM index */
1969 	struct mutex                    grbm_idx_mutex;
1970 	struct dev_pm_domain		vga_pm_domain;
1971 	bool				have_disp_power_ref;
1972 
1973 	/* BIOS */
1974 	uint8_t				*bios;
1975 	bool				is_atom_bios;
1976 	uint16_t			bios_header_start;
1977 	struct amdgpu_bo		*stollen_vga_memory;
1978 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1979 
1980 	/* Register/doorbell mmio */
1981 	resource_size_t			rmmio_base;
1982 	resource_size_t			rmmio_size;
1983 	void __iomem			*rmmio;
1984 	/* protects concurrent MM_INDEX/DATA based register access */
1985 	spinlock_t mmio_idx_lock;
1986 	/* protects concurrent SMC based register access */
1987 	spinlock_t smc_idx_lock;
1988 	amdgpu_rreg_t			smc_rreg;
1989 	amdgpu_wreg_t			smc_wreg;
1990 	/* protects concurrent PCIE register access */
1991 	spinlock_t pcie_idx_lock;
1992 	amdgpu_rreg_t			pcie_rreg;
1993 	amdgpu_wreg_t			pcie_wreg;
1994 	/* protects concurrent UVD register access */
1995 	spinlock_t uvd_ctx_idx_lock;
1996 	amdgpu_rreg_t			uvd_ctx_rreg;
1997 	amdgpu_wreg_t			uvd_ctx_wreg;
1998 	/* protects concurrent DIDT register access */
1999 	spinlock_t didt_idx_lock;
2000 	amdgpu_rreg_t			didt_rreg;
2001 	amdgpu_wreg_t			didt_wreg;
2002 	/* protects concurrent ENDPOINT (audio) register access */
2003 	spinlock_t audio_endpt_idx_lock;
2004 	amdgpu_block_rreg_t		audio_endpt_rreg;
2005 	amdgpu_block_wreg_t		audio_endpt_wreg;
2006 	void __iomem                    *rio_mem;
2007 	resource_size_t			rio_mem_size;
2008 	struct amdgpu_doorbell		doorbell;
2009 
2010 	/* clock/pll info */
2011 	struct amdgpu_clock            clock;
2012 
2013 	/* MC */
2014 	struct amdgpu_mc		mc;
2015 	struct amdgpu_gart		gart;
2016 	struct amdgpu_dummy_page	dummy_page;
2017 	struct amdgpu_vm_manager	vm_manager;
2018 
2019 	/* memory management */
2020 	struct amdgpu_mman		mman;
2021 	struct amdgpu_gem		gem;
2022 	struct amdgpu_vram_scratch	vram_scratch;
2023 	struct amdgpu_wb		wb;
2024 	atomic64_t			vram_usage;
2025 	atomic64_t			vram_vis_usage;
2026 	atomic64_t			gtt_usage;
2027 	atomic64_t			num_bytes_moved;
2028 	atomic_t			gpu_reset_counter;
2029 
2030 	/* display */
2031 	struct amdgpu_mode_info		mode_info;
2032 	struct work_struct		hotplug_work;
2033 	struct amdgpu_irq_src		crtc_irq;
2034 	struct amdgpu_irq_src		pageflip_irq;
2035 	struct amdgpu_irq_src		hpd_irq;
2036 
2037 	/* rings */
2038 	unsigned			fence_context;
2039 	struct mutex			ring_lock;
2040 	unsigned			num_rings;
2041 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
2042 	bool				ib_pool_ready;
2043 	struct amdgpu_sa_manager	ring_tmp_bo;
2044 
2045 	/* interrupts */
2046 	struct amdgpu_irq		irq;
2047 
2048 	/* dpm */
2049 	struct amdgpu_pm		pm;
2050 	u32				cg_flags;
2051 	u32				pg_flags;
2052 
2053 	/* amdgpu smumgr */
2054 	struct amdgpu_smumgr smu;
2055 
2056 	/* gfx */
2057 	struct amdgpu_gfx		gfx;
2058 
2059 	/* sdma */
2060 	struct amdgpu_sdma		sdma[2];
2061 	struct amdgpu_irq_src		sdma_trap_irq;
2062 	struct amdgpu_irq_src		sdma_illegal_inst_irq;
2063 
2064 	/* uvd */
2065 	bool				has_uvd;
2066 	struct amdgpu_uvd		uvd;
2067 
2068 	/* vce */
2069 	struct amdgpu_vce		vce;
2070 
2071 	/* firmwares */
2072 	struct amdgpu_firmware		firmware;
2073 
2074 	/* GDS */
2075 	struct amdgpu_gds		gds;
2076 
2077 	const struct amdgpu_ip_block_version *ip_blocks;
2078 	int				num_ip_blocks;
2079 	struct amdgpu_ip_block_status	*ip_block_status;
2080 	struct mutex	mn_lock;
2081 	DECLARE_HASHTABLE(mn_hash, 7);
2082 
2083 	/* tracking pinned memory */
2084 	u64 vram_pin_size;
2085 	u64 gart_pin_size;
2086 
2087 	/* amdkfd interface */
2088 	struct kfd_dev          *kfd;
2089 
2090 	/* kernel conext for IB submission */
2091 	struct amdgpu_ctx	kernel_ctx;
2092 };
2093 
2094 bool amdgpu_device_is_px(struct drm_device *dev);
2095 int amdgpu_device_init(struct amdgpu_device *adev,
2096 		       struct drm_device *ddev,
2097 		       struct pci_dev *pdev,
2098 		       uint32_t flags);
2099 void amdgpu_device_fini(struct amdgpu_device *adev);
2100 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
2101 
2102 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
2103 			bool always_indirect);
2104 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
2105 		    bool always_indirect);
2106 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
2107 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
2108 
2109 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
2110 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
2111 
2112 /*
2113  * Cast helper
2114  */
2115 extern const struct fence_ops amdgpu_fence_ops;
2116 static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
2117 {
2118 	struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
2119 
2120 	if (__f->base.ops == &amdgpu_fence_ops)
2121 		return __f;
2122 
2123 	return NULL;
2124 }
2125 
2126 /*
2127  * Registers read & write functions.
2128  */
2129 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
2130 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
2131 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
2132 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
2133 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
2134 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2135 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2136 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
2137 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
2138 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
2139 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
2140 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
2141 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
2142 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
2143 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
2144 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
2145 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
2146 #define WREG32_P(reg, val, mask)				\
2147 	do {							\
2148 		uint32_t tmp_ = RREG32(reg);			\
2149 		tmp_ &= (mask);					\
2150 		tmp_ |= ((val) & ~(mask));			\
2151 		WREG32(reg, tmp_);				\
2152 	} while (0)
2153 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2154 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2155 #define WREG32_PLL_P(reg, val, mask)				\
2156 	do {							\
2157 		uint32_t tmp_ = RREG32_PLL(reg);		\
2158 		tmp_ &= (mask);					\
2159 		tmp_ |= ((val) & ~(mask));			\
2160 		WREG32_PLL(reg, tmp_);				\
2161 	} while (0)
2162 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
2163 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
2164 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
2165 
2166 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
2167 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
2168 
2169 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
2170 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
2171 
2172 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
2173 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
2174 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
2175 
2176 #define REG_GET_FIELD(value, reg, field)				\
2177 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
2178 
2179 /*
2180  * BIOS helpers.
2181  */
2182 #define RBIOS8(i) (adev->bios[i])
2183 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2184 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2185 
2186 /*
2187  * RING helpers.
2188  */
2189 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
2190 {
2191 	if (ring->count_dw <= 0)
2192 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
2193 	ring->ring[ring->wptr++] = v;
2194 	ring->wptr &= ring->ptr_mask;
2195 	ring->count_dw--;
2196 	ring->ring_free_dw--;
2197 }
2198 
2199 /*
2200  * ASICs macro.
2201  */
2202 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
2203 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
2204 #define amdgpu_asic_wait_for_mc_idle(adev) (adev)->asic_funcs->wait_for_mc_idle((adev))
2205 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
2206 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
2207 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
2208 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
2209 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
2210 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
2211 #define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))
2212 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
2213 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
2214 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
2215 #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)))
2216 #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)))
2217 #define amdgpu_vm_pad_ib(adev, ib) ((adev)->vm_manager.vm_pte_funcs->pad_ib((ib)))
2218 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
2219 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
2220 #define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
2221 #define amdgpu_ring_is_lockup(r) (r)->funcs->is_lockup((r))
2222 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
2223 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
2224 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
2225 #define amdgpu_ring_emit_ib(r, ib) (r)->funcs->emit_ib((r), (ib))
2226 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
2227 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
2228 #define amdgpu_ring_emit_semaphore(r, semaphore, emit_wait) (r)->funcs->emit_semaphore((r), (semaphore), (emit_wait))
2229 #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))
2230 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
2231 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
2232 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
2233 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
2234 #define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
2235 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
2236 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
2237 #define amdgpu_display_is_display_hung(adev) (adev)->mode_info.funcs->is_display_hung((adev))
2238 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
2239 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
2240 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
2241 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
2242 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
2243 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
2244 #define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
2245 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
2246 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
2247 #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))
2248 #define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
2249 #define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
2250 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b))
2251 #define amdgpu_emit_fill_buffer(adev, r, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((r), (s), (d), (b))
2252 #define amdgpu_dpm_get_temperature(adev) (adev)->pm.funcs->get_temperature((adev))
2253 #define amdgpu_dpm_pre_set_power_state(adev) (adev)->pm.funcs->pre_set_power_state((adev))
2254 #define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
2255 #define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
2256 #define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
2257 #define amdgpu_dpm_get_sclk(adev, l) (adev)->pm.funcs->get_sclk((adev), (l))
2258 #define amdgpu_dpm_get_mclk(adev, l) (adev)->pm.funcs->get_mclk((adev), (l))
2259 #define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
2260 #define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
2261 #define amdgpu_dpm_force_performance_level(adev, l) (adev)->pm.funcs->force_performance_level((adev), (l))
2262 #define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
2263 #define amdgpu_dpm_powergate_uvd(adev, g) (adev)->pm.funcs->powergate_uvd((adev), (g))
2264 #define amdgpu_dpm_powergate_vce(adev, g) (adev)->pm.funcs->powergate_vce((adev), (g))
2265 #define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
2266 #define amdgpu_dpm_set_fan_control_mode(adev, m) (adev)->pm.funcs->set_fan_control_mode((adev), (m))
2267 #define amdgpu_dpm_get_fan_control_mode(adev) (adev)->pm.funcs->get_fan_control_mode((adev))
2268 #define amdgpu_dpm_set_fan_speed_percent(adev, s) (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
2269 #define amdgpu_dpm_get_fan_speed_percent(adev, s) (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
2270 
2271 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
2272 
2273 /* Common functions */
2274 int amdgpu_gpu_reset(struct amdgpu_device *adev);
2275 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
2276 bool amdgpu_card_posted(struct amdgpu_device *adev);
2277 void amdgpu_update_display_priority(struct amdgpu_device *adev);
2278 bool amdgpu_boot_test_post_card(struct amdgpu_device *adev);
2279 struct amdgpu_cs_parser *amdgpu_cs_parser_create(struct amdgpu_device *adev,
2280 						 struct drm_file *filp,
2281 						 struct amdgpu_ctx *ctx,
2282 						 struct amdgpu_ib *ibs,
2283 						 uint32_t num_ibs);
2284 
2285 int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
2286 int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
2287 		       u32 ip_instance, u32 ring,
2288 		       struct amdgpu_ring **out_ring);
2289 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain);
2290 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
2291 int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
2292 				     uint32_t flags);
2293 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
2294 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
2295 uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
2296 				 struct ttm_mem_reg *mem);
2297 void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
2298 void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
2299 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
2300 void amdgpu_program_register_sequence(struct amdgpu_device *adev,
2301 					     const u32 *registers,
2302 					     const u32 array_size);
2303 
2304 bool amdgpu_device_is_px(struct drm_device *dev);
2305 /* atpx handler */
2306 #if defined(CONFIG_VGA_SWITCHEROO)
2307 void amdgpu_register_atpx_handler(void);
2308 void amdgpu_unregister_atpx_handler(void);
2309 #else
2310 static inline void amdgpu_register_atpx_handler(void) {}
2311 static inline void amdgpu_unregister_atpx_handler(void) {}
2312 #endif
2313 
2314 /*
2315  * KMS
2316  */
2317 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
2318 extern int amdgpu_max_kms_ioctl;
2319 
2320 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
2321 int amdgpu_driver_unload_kms(struct drm_device *dev);
2322 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
2323 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
2324 void amdgpu_driver_postclose_kms(struct drm_device *dev,
2325 				 struct drm_file *file_priv);
2326 void amdgpu_driver_preclose_kms(struct drm_device *dev,
2327 				struct drm_file *file_priv);
2328 int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2329 int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2330 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, int crtc);
2331 int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc);
2332 void amdgpu_disable_vblank_kms(struct drm_device *dev, int crtc);
2333 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
2334 				    int *max_error,
2335 				    struct timeval *vblank_time,
2336 				    unsigned flags);
2337 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
2338 			     unsigned long arg);
2339 
2340 /*
2341  * vm
2342  */
2343 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
2344 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
2345 struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
2346 					  struct amdgpu_vm *vm,
2347 					  struct list_head *head);
2348 int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
2349 		      struct amdgpu_sync *sync);
2350 void amdgpu_vm_flush(struct amdgpu_ring *ring,
2351 		     struct amdgpu_vm *vm,
2352 		     struct fence *updates);
2353 void amdgpu_vm_fence(struct amdgpu_device *adev,
2354 		     struct amdgpu_vm *vm,
2355 		     struct amdgpu_fence *fence);
2356 uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr);
2357 int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
2358 				    struct amdgpu_vm *vm);
2359 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
2360 				struct amdgpu_vm *vm);
2361 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
2362 				struct amdgpu_vm *vm, struct amdgpu_sync *sync);
2363 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
2364 			struct amdgpu_bo_va *bo_va,
2365 			struct ttm_mem_reg *mem);
2366 void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
2367 			     struct amdgpu_bo *bo);
2368 struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
2369 				       struct amdgpu_bo *bo);
2370 struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
2371 				      struct amdgpu_vm *vm,
2372 				      struct amdgpu_bo *bo);
2373 int amdgpu_vm_bo_map(struct amdgpu_device *adev,
2374 		     struct amdgpu_bo_va *bo_va,
2375 		     uint64_t addr, uint64_t offset,
2376 		     uint64_t size, uint32_t flags);
2377 int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
2378 		       struct amdgpu_bo_va *bo_va,
2379 		       uint64_t addr);
2380 void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
2381 		      struct amdgpu_bo_va *bo_va);
2382 int amdgpu_vm_free_job(struct amdgpu_job *job);
2383 /*
2384  * functions used by amdgpu_encoder.c
2385  */
2386 struct amdgpu_afmt_acr {
2387 	u32 clock;
2388 
2389 	int n_32khz;
2390 	int cts_32khz;
2391 
2392 	int n_44_1khz;
2393 	int cts_44_1khz;
2394 
2395 	int n_48khz;
2396 	int cts_48khz;
2397 
2398 };
2399 
2400 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
2401 
2402 /* amdgpu_acpi.c */
2403 #if defined(CONFIG_ACPI)
2404 int amdgpu_acpi_init(struct amdgpu_device *adev);
2405 void amdgpu_acpi_fini(struct amdgpu_device *adev);
2406 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
2407 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
2408 						u8 perf_req, bool advertise);
2409 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
2410 #else
2411 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
2412 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
2413 #endif
2414 
2415 struct amdgpu_bo_va_mapping *
2416 amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
2417 		       uint64_t addr, struct amdgpu_bo **bo);
2418 
2419 #include "amdgpu_object.h"
2420 
2421 #endif
2422