xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision a8da474e)
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_vm_fault_stop;
83 extern int amdgpu_vm_debug;
84 extern int amdgpu_enable_scheduler;
85 extern int amdgpu_sched_jobs;
86 extern int amdgpu_sched_hw_submission;
87 extern int amdgpu_enable_semaphores;
88 
89 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
90 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
91 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
92 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
93 #define AMDGPU_IB_POOL_SIZE			16
94 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
95 #define AMDGPUFB_CONN_LIMIT			4
96 #define AMDGPU_BIOS_NUM_SCRATCH			8
97 
98 /* max number of rings */
99 #define AMDGPU_MAX_RINGS			16
100 #define AMDGPU_MAX_GFX_RINGS			1
101 #define AMDGPU_MAX_COMPUTE_RINGS		8
102 #define AMDGPU_MAX_VCE_RINGS			2
103 
104 /* max number of IP instances */
105 #define AMDGPU_MAX_SDMA_INSTANCES		2
106 
107 /* number of hw syncs before falling back on blocking */
108 #define AMDGPU_NUM_SYNCS			4
109 
110 /* hardcode that limit for now */
111 #define AMDGPU_VA_RESERVED_SIZE			(8 << 20)
112 
113 /* hard reset data */
114 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
115 
116 /* reset flags */
117 #define AMDGPU_RESET_GFX			(1 << 0)
118 #define AMDGPU_RESET_COMPUTE			(1 << 1)
119 #define AMDGPU_RESET_DMA			(1 << 2)
120 #define AMDGPU_RESET_CP				(1 << 3)
121 #define AMDGPU_RESET_GRBM			(1 << 4)
122 #define AMDGPU_RESET_DMA1			(1 << 5)
123 #define AMDGPU_RESET_RLC			(1 << 6)
124 #define AMDGPU_RESET_SEM			(1 << 7)
125 #define AMDGPU_RESET_IH				(1 << 8)
126 #define AMDGPU_RESET_VMC			(1 << 9)
127 #define AMDGPU_RESET_MC				(1 << 10)
128 #define AMDGPU_RESET_DISPLAY			(1 << 11)
129 #define AMDGPU_RESET_UVD			(1 << 12)
130 #define AMDGPU_RESET_VCE			(1 << 13)
131 #define AMDGPU_RESET_VCE1			(1 << 14)
132 
133 /* CG block flags */
134 #define AMDGPU_CG_BLOCK_GFX			(1 << 0)
135 #define AMDGPU_CG_BLOCK_MC			(1 << 1)
136 #define AMDGPU_CG_BLOCK_SDMA			(1 << 2)
137 #define AMDGPU_CG_BLOCK_UVD			(1 << 3)
138 #define AMDGPU_CG_BLOCK_VCE			(1 << 4)
139 #define AMDGPU_CG_BLOCK_HDP			(1 << 5)
140 #define AMDGPU_CG_BLOCK_BIF			(1 << 6)
141 
142 /* CG flags */
143 #define AMDGPU_CG_SUPPORT_GFX_MGCG		(1 << 0)
144 #define AMDGPU_CG_SUPPORT_GFX_MGLS		(1 << 1)
145 #define AMDGPU_CG_SUPPORT_GFX_CGCG		(1 << 2)
146 #define AMDGPU_CG_SUPPORT_GFX_CGLS		(1 << 3)
147 #define AMDGPU_CG_SUPPORT_GFX_CGTS		(1 << 4)
148 #define AMDGPU_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
149 #define AMDGPU_CG_SUPPORT_GFX_CP_LS		(1 << 6)
150 #define AMDGPU_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
151 #define AMDGPU_CG_SUPPORT_MC_LS			(1 << 8)
152 #define AMDGPU_CG_SUPPORT_MC_MGCG		(1 << 9)
153 #define AMDGPU_CG_SUPPORT_SDMA_LS		(1 << 10)
154 #define AMDGPU_CG_SUPPORT_SDMA_MGCG		(1 << 11)
155 #define AMDGPU_CG_SUPPORT_BIF_LS		(1 << 12)
156 #define AMDGPU_CG_SUPPORT_UVD_MGCG		(1 << 13)
157 #define AMDGPU_CG_SUPPORT_VCE_MGCG		(1 << 14)
158 #define AMDGPU_CG_SUPPORT_HDP_LS		(1 << 15)
159 #define AMDGPU_CG_SUPPORT_HDP_MGCG		(1 << 16)
160 
161 /* PG flags */
162 #define AMDGPU_PG_SUPPORT_GFX_PG		(1 << 0)
163 #define AMDGPU_PG_SUPPORT_GFX_SMG		(1 << 1)
164 #define AMDGPU_PG_SUPPORT_GFX_DMG		(1 << 2)
165 #define AMDGPU_PG_SUPPORT_UVD			(1 << 3)
166 #define AMDGPU_PG_SUPPORT_VCE			(1 << 4)
167 #define AMDGPU_PG_SUPPORT_CP			(1 << 5)
168 #define AMDGPU_PG_SUPPORT_GDS			(1 << 6)
169 #define AMDGPU_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
170 #define AMDGPU_PG_SUPPORT_SDMA			(1 << 8)
171 #define AMDGPU_PG_SUPPORT_ACP			(1 << 9)
172 #define AMDGPU_PG_SUPPORT_SAMU			(1 << 10)
173 
174 /* GFX current status */
175 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
176 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
177 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
178 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
179 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
180 
181 /* max cursor sizes (in pixels) */
182 #define CIK_CURSOR_WIDTH 128
183 #define CIK_CURSOR_HEIGHT 128
184 
185 struct amdgpu_device;
186 struct amdgpu_fence;
187 struct amdgpu_ib;
188 struct amdgpu_vm;
189 struct amdgpu_ring;
190 struct amdgpu_semaphore;
191 struct amdgpu_cs_parser;
192 struct amdgpu_job;
193 struct amdgpu_irq_src;
194 struct amdgpu_fpriv;
195 
196 enum amdgpu_cp_irq {
197 	AMDGPU_CP_IRQ_GFX_EOP = 0,
198 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
199 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
200 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
201 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
202 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
203 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
204 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
205 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
206 
207 	AMDGPU_CP_IRQ_LAST
208 };
209 
210 enum amdgpu_sdma_irq {
211 	AMDGPU_SDMA_IRQ_TRAP0 = 0,
212 	AMDGPU_SDMA_IRQ_TRAP1,
213 
214 	AMDGPU_SDMA_IRQ_LAST
215 };
216 
217 enum amdgpu_thermal_irq {
218 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
219 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
220 
221 	AMDGPU_THERMAL_IRQ_LAST
222 };
223 
224 int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
225 				  enum amd_ip_block_type block_type,
226 				  enum amd_clockgating_state state);
227 int amdgpu_set_powergating_state(struct amdgpu_device *adev,
228 				  enum amd_ip_block_type block_type,
229 				  enum amd_powergating_state state);
230 
231 struct amdgpu_ip_block_version {
232 	enum amd_ip_block_type type;
233 	u32 major;
234 	u32 minor;
235 	u32 rev;
236 	const struct amd_ip_funcs *funcs;
237 };
238 
239 int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
240 				enum amd_ip_block_type type,
241 				u32 major, u32 minor);
242 
243 const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
244 					struct amdgpu_device *adev,
245 					enum amd_ip_block_type type);
246 
247 /* provided by hw blocks that can move/clear data.  e.g., gfx or sdma */
248 struct amdgpu_buffer_funcs {
249 	/* maximum bytes in a single operation */
250 	uint32_t	copy_max_bytes;
251 
252 	/* number of dw to reserve per operation */
253 	unsigned	copy_num_dw;
254 
255 	/* used for buffer migration */
256 	void (*emit_copy_buffer)(struct amdgpu_ib *ib,
257 				 /* src addr in bytes */
258 				 uint64_t src_offset,
259 				 /* dst addr in bytes */
260 				 uint64_t dst_offset,
261 				 /* number of byte to transfer */
262 				 uint32_t byte_count);
263 
264 	/* maximum bytes in a single operation */
265 	uint32_t	fill_max_bytes;
266 
267 	/* number of dw to reserve per operation */
268 	unsigned	fill_num_dw;
269 
270 	/* used for buffer clearing */
271 	void (*emit_fill_buffer)(struct amdgpu_ib *ib,
272 				 /* value to write to memory */
273 				 uint32_t src_data,
274 				 /* dst addr in bytes */
275 				 uint64_t dst_offset,
276 				 /* number of byte to fill */
277 				 uint32_t byte_count);
278 };
279 
280 /* provided by hw blocks that can write ptes, e.g., sdma */
281 struct amdgpu_vm_pte_funcs {
282 	/* copy pte entries from GART */
283 	void (*copy_pte)(struct amdgpu_ib *ib,
284 			 uint64_t pe, uint64_t src,
285 			 unsigned count);
286 	/* write pte one entry at a time with addr mapping */
287 	void (*write_pte)(struct amdgpu_ib *ib,
288 			  uint64_t pe,
289 			  uint64_t addr, unsigned count,
290 			  uint32_t incr, uint32_t flags);
291 	/* for linear pte/pde updates without addr mapping */
292 	void (*set_pte_pde)(struct amdgpu_ib *ib,
293 			    uint64_t pe,
294 			    uint64_t addr, unsigned count,
295 			    uint32_t incr, uint32_t flags);
296 	/* pad the indirect buffer to the necessary number of dw */
297 	void (*pad_ib)(struct amdgpu_ib *ib);
298 };
299 
300 /* provided by the gmc block */
301 struct amdgpu_gart_funcs {
302 	/* flush the vm tlb via mmio */
303 	void (*flush_gpu_tlb)(struct amdgpu_device *adev,
304 			      uint32_t vmid);
305 	/* write pte/pde updates using the cpu */
306 	int (*set_pte_pde)(struct amdgpu_device *adev,
307 			   void *cpu_pt_addr, /* cpu addr of page table */
308 			   uint32_t gpu_page_idx, /* pte/pde to update */
309 			   uint64_t addr, /* addr to write into pte/pde */
310 			   uint32_t flags); /* access flags */
311 };
312 
313 /* provided by the ih block */
314 struct amdgpu_ih_funcs {
315 	/* ring read/write ptr handling, called from interrupt context */
316 	u32 (*get_wptr)(struct amdgpu_device *adev);
317 	void (*decode_iv)(struct amdgpu_device *adev,
318 			  struct amdgpu_iv_entry *entry);
319 	void (*set_rptr)(struct amdgpu_device *adev);
320 };
321 
322 /* provided by hw blocks that expose a ring buffer for commands */
323 struct amdgpu_ring_funcs {
324 	/* ring read/write ptr handling */
325 	u32 (*get_rptr)(struct amdgpu_ring *ring);
326 	u32 (*get_wptr)(struct amdgpu_ring *ring);
327 	void (*set_wptr)(struct amdgpu_ring *ring);
328 	/* validating and patching of IBs */
329 	int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
330 	/* command emit functions */
331 	void (*emit_ib)(struct amdgpu_ring *ring,
332 			struct amdgpu_ib *ib);
333 	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
334 			   uint64_t seq, unsigned flags);
335 	bool (*emit_semaphore)(struct amdgpu_ring *ring,
336 			       struct amdgpu_semaphore *semaphore,
337 			       bool emit_wait);
338 	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
339 			      uint64_t pd_addr);
340 	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
341 	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
342 				uint32_t gds_base, uint32_t gds_size,
343 				uint32_t gws_base, uint32_t gws_size,
344 				uint32_t oa_base, uint32_t oa_size);
345 	/* testing functions */
346 	int (*test_ring)(struct amdgpu_ring *ring);
347 	int (*test_ib)(struct amdgpu_ring *ring);
348 	/* insert NOP packets */
349 	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
350 };
351 
352 /*
353  * BIOS.
354  */
355 bool amdgpu_get_bios(struct amdgpu_device *adev);
356 bool amdgpu_read_bios(struct amdgpu_device *adev);
357 
358 /*
359  * Dummy page
360  */
361 struct amdgpu_dummy_page {
362 	struct page	*page;
363 	dma_addr_t	addr;
364 };
365 int amdgpu_dummy_page_init(struct amdgpu_device *adev);
366 void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
367 
368 
369 /*
370  * Clocks
371  */
372 
373 #define AMDGPU_MAX_PPLL 3
374 
375 struct amdgpu_clock {
376 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
377 	struct amdgpu_pll spll;
378 	struct amdgpu_pll mpll;
379 	/* 10 Khz units */
380 	uint32_t default_mclk;
381 	uint32_t default_sclk;
382 	uint32_t default_dispclk;
383 	uint32_t current_dispclk;
384 	uint32_t dp_extclk;
385 	uint32_t max_pixel_clock;
386 };
387 
388 /*
389  * Fences.
390  */
391 struct amdgpu_fence_driver {
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 timer_list		fallback_timer;
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 
408 #define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
409 #define AMDGPU_FENCE_FLAG_INT           (1 << 1)
410 
411 struct amdgpu_fence {
412 	struct fence base;
413 
414 	/* RB, DMA, etc. */
415 	struct amdgpu_ring		*ring;
416 	uint64_t			seq;
417 
418 	/* filp or special value for fence creator */
419 	void				*owner;
420 
421 	wait_queue_t			fence_wake;
422 };
423 
424 struct amdgpu_user_fence {
425 	/* write-back bo */
426 	struct amdgpu_bo 	*bo;
427 	/* write-back address offset to bo start */
428 	uint32_t                offset;
429 };
430 
431 int amdgpu_fence_driver_init(struct amdgpu_device *adev);
432 void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
433 void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
434 
435 int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
436 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
437 				   struct amdgpu_irq_src *irq_src,
438 				   unsigned irq_type);
439 void amdgpu_fence_driver_suspend(struct amdgpu_device *adev);
440 void amdgpu_fence_driver_resume(struct amdgpu_device *adev);
441 int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
442 		      struct amdgpu_fence **fence);
443 void amdgpu_fence_process(struct amdgpu_ring *ring);
444 int amdgpu_fence_wait_next(struct amdgpu_ring *ring);
445 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
446 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
447 
448 bool amdgpu_fence_need_sync(struct amdgpu_fence *fence,
449 			    struct amdgpu_ring *ring);
450 void amdgpu_fence_note_sync(struct amdgpu_fence *fence,
451 			    struct amdgpu_ring *ring);
452 
453 /*
454  * TTM.
455  */
456 struct amdgpu_mman {
457 	struct ttm_bo_global_ref        bo_global_ref;
458 	struct drm_global_reference	mem_global_ref;
459 	struct ttm_bo_device		bdev;
460 	bool				mem_global_referenced;
461 	bool				initialized;
462 
463 #if defined(CONFIG_DEBUG_FS)
464 	struct dentry			*vram;
465 	struct dentry			*gtt;
466 #endif
467 
468 	/* buffer handling */
469 	const struct amdgpu_buffer_funcs	*buffer_funcs;
470 	struct amdgpu_ring			*buffer_funcs_ring;
471 };
472 
473 int amdgpu_copy_buffer(struct amdgpu_ring *ring,
474 		       uint64_t src_offset,
475 		       uint64_t dst_offset,
476 		       uint32_t byte_count,
477 		       struct reservation_object *resv,
478 		       struct fence **fence);
479 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
480 
481 struct amdgpu_bo_list_entry {
482 	struct amdgpu_bo		*robj;
483 	struct ttm_validate_buffer	tv;
484 	struct amdgpu_bo_va		*bo_va;
485 	unsigned			prefered_domains;
486 	unsigned			allowed_domains;
487 	uint32_t			priority;
488 };
489 
490 struct amdgpu_bo_va_mapping {
491 	struct list_head		list;
492 	struct interval_tree_node	it;
493 	uint64_t			offset;
494 	uint32_t			flags;
495 };
496 
497 /* bo virtual addresses in a specific vm */
498 struct amdgpu_bo_va {
499 	/* protected by bo being reserved */
500 	struct list_head		bo_list;
501 	struct fence		        *last_pt_update;
502 	unsigned			ref_count;
503 
504 	/* protected by vm mutex and spinlock */
505 	struct list_head		vm_status;
506 
507 	/* mappings for this bo_va */
508 	struct list_head		invalids;
509 	struct list_head		valids;
510 
511 	/* constant after initialization */
512 	struct amdgpu_vm		*vm;
513 	struct amdgpu_bo		*bo;
514 };
515 
516 #define AMDGPU_GEM_DOMAIN_MAX		0x3
517 
518 struct amdgpu_bo {
519 	/* Protected by gem.mutex */
520 	struct list_head		list;
521 	/* Protected by tbo.reserved */
522 	u32				initial_domain;
523 	struct ttm_place		placements[AMDGPU_GEM_DOMAIN_MAX + 1];
524 	struct ttm_placement		placement;
525 	struct ttm_buffer_object	tbo;
526 	struct ttm_bo_kmap_obj		kmap;
527 	u64				flags;
528 	unsigned			pin_count;
529 	void				*kptr;
530 	u64				tiling_flags;
531 	u64				metadata_flags;
532 	void				*metadata;
533 	u32				metadata_size;
534 	/* list of all virtual address to which this bo
535 	 * is associated to
536 	 */
537 	struct list_head		va;
538 	/* Constant after initialization */
539 	struct amdgpu_device		*adev;
540 	struct drm_gem_object		gem_base;
541 
542 	struct ttm_bo_kmap_obj		dma_buf_vmap;
543 	pid_t				pid;
544 	struct amdgpu_mn		*mn;
545 	struct list_head		mn_list;
546 };
547 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
548 
549 void amdgpu_gem_object_free(struct drm_gem_object *obj);
550 int amdgpu_gem_object_open(struct drm_gem_object *obj,
551 				struct drm_file *file_priv);
552 void amdgpu_gem_object_close(struct drm_gem_object *obj,
553 				struct drm_file *file_priv);
554 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
555 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
556 struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
557 							struct dma_buf_attachment *attach,
558 							struct sg_table *sg);
559 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
560 					struct drm_gem_object *gobj,
561 					int flags);
562 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
563 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
564 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
565 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
566 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
567 int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
568 
569 /* sub-allocation manager, it has to be protected by another lock.
570  * By conception this is an helper for other part of the driver
571  * like the indirect buffer or semaphore, which both have their
572  * locking.
573  *
574  * Principe is simple, we keep a list of sub allocation in offset
575  * order (first entry has offset == 0, last entry has the highest
576  * offset).
577  *
578  * When allocating new object we first check if there is room at
579  * the end total_size - (last_object_offset + last_object_size) >=
580  * alloc_size. If so we allocate new object there.
581  *
582  * When there is not enough room at the end, we start waiting for
583  * each sub object until we reach object_offset+object_size >=
584  * alloc_size, this object then become the sub object we return.
585  *
586  * Alignment can't be bigger than page size.
587  *
588  * Hole are not considered for allocation to keep things simple.
589  * Assumption is that there won't be hole (all object on same
590  * alignment).
591  */
592 struct amdgpu_sa_manager {
593 	wait_queue_head_t	wq;
594 	struct amdgpu_bo	*bo;
595 	struct list_head	*hole;
596 	struct list_head	flist[AMDGPU_MAX_RINGS];
597 	struct list_head	olist;
598 	unsigned		size;
599 	uint64_t		gpu_addr;
600 	void			*cpu_ptr;
601 	uint32_t		domain;
602 	uint32_t		align;
603 };
604 
605 struct amdgpu_sa_bo;
606 
607 /* sub-allocation buffer */
608 struct amdgpu_sa_bo {
609 	struct list_head		olist;
610 	struct list_head		flist;
611 	struct amdgpu_sa_manager	*manager;
612 	unsigned			soffset;
613 	unsigned			eoffset;
614 	struct fence		        *fence;
615 };
616 
617 /*
618  * GEM objects.
619  */
620 struct amdgpu_gem {
621 	struct mutex		mutex;
622 	struct list_head	objects;
623 };
624 
625 int amdgpu_gem_init(struct amdgpu_device *adev);
626 void amdgpu_gem_fini(struct amdgpu_device *adev);
627 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
628 				int alignment, u32 initial_domain,
629 				u64 flags, bool kernel,
630 				struct drm_gem_object **obj);
631 
632 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
633 			    struct drm_device *dev,
634 			    struct drm_mode_create_dumb *args);
635 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
636 			  struct drm_device *dev,
637 			  uint32_t handle, uint64_t *offset_p);
638 
639 /*
640  * Semaphores.
641  */
642 struct amdgpu_semaphore {
643 	struct amdgpu_sa_bo	*sa_bo;
644 	signed			waiters;
645 	uint64_t		gpu_addr;
646 };
647 
648 int amdgpu_semaphore_create(struct amdgpu_device *adev,
649 			    struct amdgpu_semaphore **semaphore);
650 bool amdgpu_semaphore_emit_signal(struct amdgpu_ring *ring,
651 				  struct amdgpu_semaphore *semaphore);
652 bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring,
653 				struct amdgpu_semaphore *semaphore);
654 void amdgpu_semaphore_free(struct amdgpu_device *adev,
655 			   struct amdgpu_semaphore **semaphore,
656 			   struct fence *fence);
657 
658 /*
659  * Synchronization
660  */
661 struct amdgpu_sync {
662 	struct amdgpu_semaphore *semaphores[AMDGPU_NUM_SYNCS];
663 	struct fence		*sync_to[AMDGPU_MAX_RINGS];
664 	DECLARE_HASHTABLE(fences, 4);
665 	struct fence	        *last_vm_update;
666 };
667 
668 void amdgpu_sync_create(struct amdgpu_sync *sync);
669 int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
670 		      struct fence *f);
671 int amdgpu_sync_resv(struct amdgpu_device *adev,
672 		     struct amdgpu_sync *sync,
673 		     struct reservation_object *resv,
674 		     void *owner);
675 int amdgpu_sync_rings(struct amdgpu_sync *sync,
676 		      struct amdgpu_ring *ring);
677 struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
678 int amdgpu_sync_wait(struct amdgpu_sync *sync);
679 void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync,
680 		      struct fence *fence);
681 
682 /*
683  * GART structures, functions & helpers
684  */
685 struct amdgpu_mc;
686 
687 #define AMDGPU_GPU_PAGE_SIZE 4096
688 #define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
689 #define AMDGPU_GPU_PAGE_SHIFT 12
690 #define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
691 
692 struct amdgpu_gart {
693 	dma_addr_t			table_addr;
694 	struct amdgpu_bo		*robj;
695 	void				*ptr;
696 	unsigned			num_gpu_pages;
697 	unsigned			num_cpu_pages;
698 	unsigned			table_size;
699 	struct page			**pages;
700 	dma_addr_t			*pages_addr;
701 	bool				ready;
702 	const struct amdgpu_gart_funcs *gart_funcs;
703 };
704 
705 int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
706 void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
707 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
708 void amdgpu_gart_table_vram_free(struct amdgpu_device *adev);
709 int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
710 void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
711 int amdgpu_gart_init(struct amdgpu_device *adev);
712 void amdgpu_gart_fini(struct amdgpu_device *adev);
713 void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
714 			int pages);
715 int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
716 		     int pages, struct page **pagelist,
717 		     dma_addr_t *dma_addr, uint32_t flags);
718 
719 /*
720  * GPU MC structures, functions & helpers
721  */
722 struct amdgpu_mc {
723 	resource_size_t		aper_size;
724 	resource_size_t		aper_base;
725 	resource_size_t		agp_base;
726 	/* for some chips with <= 32MB we need to lie
727 	 * about vram size near mc fb location */
728 	u64			mc_vram_size;
729 	u64			visible_vram_size;
730 	u64			gtt_size;
731 	u64			gtt_start;
732 	u64			gtt_end;
733 	u64			vram_start;
734 	u64			vram_end;
735 	unsigned		vram_width;
736 	u64			real_vram_size;
737 	int			vram_mtrr;
738 	u64                     gtt_base_align;
739 	u64                     mc_mask;
740 	const struct firmware   *fw;	/* MC firmware */
741 	uint32_t                fw_version;
742 	struct amdgpu_irq_src	vm_fault;
743 	uint32_t		vram_type;
744 };
745 
746 /*
747  * GPU doorbell structures, functions & helpers
748  */
749 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
750 {
751 	AMDGPU_DOORBELL_KIQ                     = 0x000,
752 	AMDGPU_DOORBELL_HIQ                     = 0x001,
753 	AMDGPU_DOORBELL_DIQ                     = 0x002,
754 	AMDGPU_DOORBELL_MEC_RING0               = 0x010,
755 	AMDGPU_DOORBELL_MEC_RING1               = 0x011,
756 	AMDGPU_DOORBELL_MEC_RING2               = 0x012,
757 	AMDGPU_DOORBELL_MEC_RING3               = 0x013,
758 	AMDGPU_DOORBELL_MEC_RING4               = 0x014,
759 	AMDGPU_DOORBELL_MEC_RING5               = 0x015,
760 	AMDGPU_DOORBELL_MEC_RING6               = 0x016,
761 	AMDGPU_DOORBELL_MEC_RING7               = 0x017,
762 	AMDGPU_DOORBELL_GFX_RING0               = 0x020,
763 	AMDGPU_DOORBELL_sDMA_ENGINE0            = 0x1E0,
764 	AMDGPU_DOORBELL_sDMA_ENGINE1            = 0x1E1,
765 	AMDGPU_DOORBELL_IH                      = 0x1E8,
766 	AMDGPU_DOORBELL_MAX_ASSIGNMENT          = 0x3FF,
767 	AMDGPU_DOORBELL_INVALID                 = 0xFFFF
768 } AMDGPU_DOORBELL_ASSIGNMENT;
769 
770 struct amdgpu_doorbell {
771 	/* doorbell mmio */
772 	resource_size_t		base;
773 	resource_size_t		size;
774 	u32 __iomem		*ptr;
775 	u32			num_doorbells;	/* Number of doorbells actually reserved for amdgpu. */
776 };
777 
778 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
779 				phys_addr_t *aperture_base,
780 				size_t *aperture_size,
781 				size_t *start_offset);
782 
783 /*
784  * IRQS.
785  */
786 
787 struct amdgpu_flip_work {
788 	struct work_struct		flip_work;
789 	struct work_struct		unpin_work;
790 	struct amdgpu_device		*adev;
791 	int				crtc_id;
792 	uint64_t			base;
793 	struct drm_pending_vblank_event *event;
794 	struct amdgpu_bo		*old_rbo;
795 	struct fence			*excl;
796 	unsigned			shared_count;
797 	struct fence			**shared;
798 };
799 
800 
801 /*
802  * CP & rings.
803  */
804 
805 struct amdgpu_ib {
806 	struct amdgpu_sa_bo		*sa_bo;
807 	uint32_t			length_dw;
808 	uint64_t			gpu_addr;
809 	uint32_t			*ptr;
810 	struct amdgpu_ring		*ring;
811 	struct amdgpu_fence		*fence;
812 	struct amdgpu_user_fence        *user;
813 	struct amdgpu_vm		*vm;
814 	struct amdgpu_ctx		*ctx;
815 	struct amdgpu_sync		sync;
816 	uint32_t			gds_base, gds_size;
817 	uint32_t			gws_base, gws_size;
818 	uint32_t			oa_base, oa_size;
819 	uint32_t			flags;
820 	/* resulting sequence number */
821 	uint64_t			sequence;
822 };
823 
824 enum amdgpu_ring_type {
825 	AMDGPU_RING_TYPE_GFX,
826 	AMDGPU_RING_TYPE_COMPUTE,
827 	AMDGPU_RING_TYPE_SDMA,
828 	AMDGPU_RING_TYPE_UVD,
829 	AMDGPU_RING_TYPE_VCE
830 };
831 
832 extern struct amd_sched_backend_ops amdgpu_sched_ops;
833 
834 int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
835 					 struct amdgpu_ring *ring,
836 					 struct amdgpu_ib *ibs,
837 					 unsigned num_ibs,
838 					 int (*free_job)(struct amdgpu_job *),
839 					 void *owner,
840 					 struct fence **fence);
841 
842 struct amdgpu_ring {
843 	struct amdgpu_device		*adev;
844 	const struct amdgpu_ring_funcs	*funcs;
845 	struct amdgpu_fence_driver	fence_drv;
846 	struct amd_gpu_scheduler 	sched;
847 
848 	spinlock_t              fence_lock;
849 	struct mutex		*ring_lock;
850 	struct amdgpu_bo	*ring_obj;
851 	volatile uint32_t	*ring;
852 	unsigned		rptr_offs;
853 	u64			next_rptr_gpu_addr;
854 	volatile u32		*next_rptr_cpu_addr;
855 	unsigned		wptr;
856 	unsigned		wptr_old;
857 	unsigned		ring_size;
858 	unsigned		ring_free_dw;
859 	int			count_dw;
860 	uint64_t		gpu_addr;
861 	uint32_t		align_mask;
862 	uint32_t		ptr_mask;
863 	bool			ready;
864 	u32			nop;
865 	u32			idx;
866 	u64			last_semaphore_signal_addr;
867 	u64			last_semaphore_wait_addr;
868 	u32			me;
869 	u32			pipe;
870 	u32			queue;
871 	struct amdgpu_bo	*mqd_obj;
872 	u32			doorbell_index;
873 	bool			use_doorbell;
874 	unsigned		wptr_offs;
875 	unsigned		next_rptr_offs;
876 	unsigned		fence_offs;
877 	struct amdgpu_ctx	*current_ctx;
878 	enum amdgpu_ring_type	type;
879 	char			name[16];
880 	bool                    is_pte_ring;
881 };
882 
883 /*
884  * VM
885  */
886 
887 /* maximum number of VMIDs */
888 #define AMDGPU_NUM_VM	16
889 
890 /* number of entries in page table */
891 #define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
892 
893 /* PTBs (Page Table Blocks) need to be aligned to 32K */
894 #define AMDGPU_VM_PTB_ALIGN_SIZE   32768
895 #define AMDGPU_VM_PTB_ALIGN_MASK (AMDGPU_VM_PTB_ALIGN_SIZE - 1)
896 #define AMDGPU_VM_PTB_ALIGN(a) (((a) + AMDGPU_VM_PTB_ALIGN_MASK) & ~AMDGPU_VM_PTB_ALIGN_MASK)
897 
898 #define AMDGPU_PTE_VALID	(1 << 0)
899 #define AMDGPU_PTE_SYSTEM	(1 << 1)
900 #define AMDGPU_PTE_SNOOPED	(1 << 2)
901 
902 /* VI only */
903 #define AMDGPU_PTE_EXECUTABLE	(1 << 4)
904 
905 #define AMDGPU_PTE_READABLE	(1 << 5)
906 #define AMDGPU_PTE_WRITEABLE	(1 << 6)
907 
908 /* PTE (Page Table Entry) fragment field for different page sizes */
909 #define AMDGPU_PTE_FRAG_4KB	(0 << 7)
910 #define AMDGPU_PTE_FRAG_64KB	(4 << 7)
911 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
912 
913 /* How to programm VM fault handling */
914 #define AMDGPU_VM_FAULT_STOP_NEVER	0
915 #define AMDGPU_VM_FAULT_STOP_FIRST	1
916 #define AMDGPU_VM_FAULT_STOP_ALWAYS	2
917 
918 struct amdgpu_vm_pt {
919 	struct amdgpu_bo	*bo;
920 	uint64_t		addr;
921 };
922 
923 struct amdgpu_vm_id {
924 	unsigned		id;
925 	uint64_t		pd_gpu_addr;
926 	/* last flushed PD/PT update */
927 	struct fence	        *flushed_updates;
928 };
929 
930 struct amdgpu_vm {
931 	struct mutex		mutex;
932 
933 	struct rb_root		va;
934 
935 	/* protecting invalidated */
936 	spinlock_t		status_lock;
937 
938 	/* BOs moved, but not yet updated in the PT */
939 	struct list_head	invalidated;
940 
941 	/* BOs cleared in the PT because of a move */
942 	struct list_head	cleared;
943 
944 	/* BO mappings freed, but not yet updated in the PT */
945 	struct list_head	freed;
946 
947 	/* contains the page directory */
948 	struct amdgpu_bo	*page_directory;
949 	unsigned		max_pde_used;
950 	struct fence		*page_directory_fence;
951 
952 	/* array of page tables, one for each page directory entry */
953 	struct amdgpu_vm_pt	*page_tables;
954 
955 	/* for id and flush management per ring */
956 	struct amdgpu_vm_id	ids[AMDGPU_MAX_RINGS];
957 	/* for interval tree */
958 	spinlock_t		it_lock;
959 };
960 
961 struct amdgpu_vm_manager {
962 	struct {
963 		struct fence	*active;
964 		atomic_long_t	owner;
965 	} ids[AMDGPU_NUM_VM];
966 
967 	uint32_t				max_pfn;
968 	/* number of VMIDs */
969 	unsigned				nvm;
970 	/* vram base address for page table entry  */
971 	u64					vram_base_offset;
972 	/* is vm enabled? */
973 	bool					enabled;
974 	/* vm pte handling */
975 	const struct amdgpu_vm_pte_funcs        *vm_pte_funcs;
976 	struct amdgpu_ring                      *vm_pte_funcs_ring;
977 };
978 
979 void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
980 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
981 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
982 struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
983 					       struct amdgpu_vm *vm,
984 					       struct list_head *head);
985 int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
986 		      struct amdgpu_sync *sync);
987 void amdgpu_vm_flush(struct amdgpu_ring *ring,
988 		     struct amdgpu_vm *vm,
989 		     struct fence *updates);
990 void amdgpu_vm_fence(struct amdgpu_device *adev,
991 		     struct amdgpu_vm *vm,
992 		     struct fence *fence);
993 uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr);
994 int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
995 				    struct amdgpu_vm *vm);
996 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
997 			  struct amdgpu_vm *vm);
998 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, struct amdgpu_vm *vm,
999 			     struct amdgpu_sync *sync);
1000 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
1001 			struct amdgpu_bo_va *bo_va,
1002 			struct ttm_mem_reg *mem);
1003 void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
1004 			     struct amdgpu_bo *bo);
1005 struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
1006 				       struct amdgpu_bo *bo);
1007 struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
1008 				      struct amdgpu_vm *vm,
1009 				      struct amdgpu_bo *bo);
1010 int amdgpu_vm_bo_map(struct amdgpu_device *adev,
1011 		     struct amdgpu_bo_va *bo_va,
1012 		     uint64_t addr, uint64_t offset,
1013 		     uint64_t size, uint32_t flags);
1014 int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
1015 		       struct amdgpu_bo_va *bo_va,
1016 		       uint64_t addr);
1017 void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
1018 		      struct amdgpu_bo_va *bo_va);
1019 int amdgpu_vm_free_job(struct amdgpu_job *job);
1020 
1021 /*
1022  * context related structures
1023  */
1024 
1025 #define AMDGPU_CTX_MAX_CS_PENDING	16
1026 
1027 struct amdgpu_ctx_ring {
1028 	uint64_t		sequence;
1029 	struct fence		*fences[AMDGPU_CTX_MAX_CS_PENDING];
1030 	struct amd_sched_entity	entity;
1031 };
1032 
1033 struct amdgpu_ctx {
1034 	struct kref		refcount;
1035 	struct amdgpu_device    *adev;
1036 	unsigned		reset_counter;
1037 	spinlock_t		ring_lock;
1038 	struct amdgpu_ctx_ring	rings[AMDGPU_MAX_RINGS];
1039 };
1040 
1041 struct amdgpu_ctx_mgr {
1042 	struct amdgpu_device	*adev;
1043 	struct mutex		lock;
1044 	/* protected by lock */
1045 	struct idr		ctx_handles;
1046 };
1047 
1048 int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel,
1049 		    struct amdgpu_ctx *ctx);
1050 void amdgpu_ctx_fini(struct amdgpu_ctx *ctx);
1051 
1052 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
1053 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
1054 
1055 uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
1056 			      struct fence *fence);
1057 struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
1058 				   struct amdgpu_ring *ring, uint64_t seq);
1059 
1060 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
1061 		     struct drm_file *filp);
1062 
1063 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
1064 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
1065 
1066 /*
1067  * file private structure
1068  */
1069 
1070 struct amdgpu_fpriv {
1071 	struct amdgpu_vm	vm;
1072 	struct mutex		bo_list_lock;
1073 	struct idr		bo_list_handles;
1074 	struct amdgpu_ctx_mgr	ctx_mgr;
1075 };
1076 
1077 /*
1078  * residency list
1079  */
1080 
1081 struct amdgpu_bo_list {
1082 	struct mutex lock;
1083 	struct amdgpu_bo *gds_obj;
1084 	struct amdgpu_bo *gws_obj;
1085 	struct amdgpu_bo *oa_obj;
1086 	bool has_userptr;
1087 	unsigned num_entries;
1088 	struct amdgpu_bo_list_entry *array;
1089 };
1090 
1091 struct amdgpu_bo_list *
1092 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
1093 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
1094 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
1095 
1096 /*
1097  * GFX stuff
1098  */
1099 #include "clearstate_defs.h"
1100 
1101 struct amdgpu_rlc {
1102 	/* for power gating */
1103 	struct amdgpu_bo	*save_restore_obj;
1104 	uint64_t		save_restore_gpu_addr;
1105 	volatile uint32_t	*sr_ptr;
1106 	const u32               *reg_list;
1107 	u32                     reg_list_size;
1108 	/* for clear state */
1109 	struct amdgpu_bo	*clear_state_obj;
1110 	uint64_t		clear_state_gpu_addr;
1111 	volatile uint32_t	*cs_ptr;
1112 	const struct cs_section_def   *cs_data;
1113 	u32                     clear_state_size;
1114 	/* for cp tables */
1115 	struct amdgpu_bo	*cp_table_obj;
1116 	uint64_t		cp_table_gpu_addr;
1117 	volatile uint32_t	*cp_table_ptr;
1118 	u32                     cp_table_size;
1119 };
1120 
1121 struct amdgpu_mec {
1122 	struct amdgpu_bo	*hpd_eop_obj;
1123 	u64			hpd_eop_gpu_addr;
1124 	u32 num_pipe;
1125 	u32 num_mec;
1126 	u32 num_queue;
1127 };
1128 
1129 /*
1130  * GPU scratch registers structures, functions & helpers
1131  */
1132 struct amdgpu_scratch {
1133 	unsigned		num_reg;
1134 	uint32_t                reg_base;
1135 	bool			free[32];
1136 	uint32_t		reg[32];
1137 };
1138 
1139 /*
1140  * GFX configurations
1141  */
1142 struct amdgpu_gca_config {
1143 	unsigned max_shader_engines;
1144 	unsigned max_tile_pipes;
1145 	unsigned max_cu_per_sh;
1146 	unsigned max_sh_per_se;
1147 	unsigned max_backends_per_se;
1148 	unsigned max_texture_channel_caches;
1149 	unsigned max_gprs;
1150 	unsigned max_gs_threads;
1151 	unsigned max_hw_contexts;
1152 	unsigned sc_prim_fifo_size_frontend;
1153 	unsigned sc_prim_fifo_size_backend;
1154 	unsigned sc_hiz_tile_fifo_size;
1155 	unsigned sc_earlyz_tile_fifo_size;
1156 
1157 	unsigned num_tile_pipes;
1158 	unsigned backend_enable_mask;
1159 	unsigned mem_max_burst_length_bytes;
1160 	unsigned mem_row_size_in_kb;
1161 	unsigned shader_engine_tile_size;
1162 	unsigned num_gpus;
1163 	unsigned multi_gpu_tile_size;
1164 	unsigned mc_arb_ramcfg;
1165 	unsigned gb_addr_config;
1166 
1167 	uint32_t tile_mode_array[32];
1168 	uint32_t macrotile_mode_array[16];
1169 };
1170 
1171 struct amdgpu_gfx {
1172 	struct mutex			gpu_clock_mutex;
1173 	struct amdgpu_gca_config	config;
1174 	struct amdgpu_rlc		rlc;
1175 	struct amdgpu_mec		mec;
1176 	struct amdgpu_scratch		scratch;
1177 	const struct firmware		*me_fw;	/* ME firmware */
1178 	uint32_t			me_fw_version;
1179 	const struct firmware		*pfp_fw; /* PFP firmware */
1180 	uint32_t			pfp_fw_version;
1181 	const struct firmware		*ce_fw;	/* CE firmware */
1182 	uint32_t			ce_fw_version;
1183 	const struct firmware		*rlc_fw; /* RLC firmware */
1184 	uint32_t			rlc_fw_version;
1185 	const struct firmware		*mec_fw; /* MEC firmware */
1186 	uint32_t			mec_fw_version;
1187 	const struct firmware		*mec2_fw; /* MEC2 firmware */
1188 	uint32_t			mec2_fw_version;
1189 	uint32_t			me_feature_version;
1190 	uint32_t			ce_feature_version;
1191 	uint32_t			pfp_feature_version;
1192 	uint32_t			rlc_feature_version;
1193 	uint32_t			mec_feature_version;
1194 	uint32_t			mec2_feature_version;
1195 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
1196 	unsigned			num_gfx_rings;
1197 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
1198 	unsigned			num_compute_rings;
1199 	struct amdgpu_irq_src		eop_irq;
1200 	struct amdgpu_irq_src		priv_reg_irq;
1201 	struct amdgpu_irq_src		priv_inst_irq;
1202 	/* gfx status */
1203 	uint32_t gfx_current_status;
1204 	/* ce ram size*/
1205 	unsigned ce_ram_size;
1206 };
1207 
1208 int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
1209 		  unsigned size, struct amdgpu_ib *ib);
1210 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib);
1211 int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
1212 		       struct amdgpu_ib *ib, void *owner);
1213 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
1214 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
1215 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
1216 /* Ring access between begin & end cannot sleep */
1217 void amdgpu_ring_free_size(struct amdgpu_ring *ring);
1218 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
1219 int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
1220 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
1221 void amdgpu_ring_commit(struct amdgpu_ring *ring);
1222 void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
1223 void amdgpu_ring_undo(struct amdgpu_ring *ring);
1224 void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
1225 unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
1226 			    uint32_t **data);
1227 int amdgpu_ring_restore(struct amdgpu_ring *ring,
1228 			unsigned size, uint32_t *data);
1229 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
1230 		     unsigned ring_size, u32 nop, u32 align_mask,
1231 		     struct amdgpu_irq_src *irq_src, unsigned irq_type,
1232 		     enum amdgpu_ring_type ring_type);
1233 void amdgpu_ring_fini(struct amdgpu_ring *ring);
1234 struct amdgpu_ring *amdgpu_ring_from_fence(struct fence *f);
1235 
1236 /*
1237  * CS.
1238  */
1239 struct amdgpu_cs_chunk {
1240 	uint32_t		chunk_id;
1241 	uint32_t		length_dw;
1242 	uint32_t		*kdata;
1243 	void __user		*user_ptr;
1244 };
1245 
1246 struct amdgpu_cs_parser {
1247 	struct amdgpu_device	*adev;
1248 	struct drm_file		*filp;
1249 	struct amdgpu_ctx	*ctx;
1250 	struct amdgpu_bo_list *bo_list;
1251 	/* chunks */
1252 	unsigned		nchunks;
1253 	struct amdgpu_cs_chunk	*chunks;
1254 	/* relocations */
1255 	struct amdgpu_bo_list_entry	*vm_bos;
1256 	struct list_head	validated;
1257 	struct fence		*fence;
1258 
1259 	struct amdgpu_ib	*ibs;
1260 	uint32_t		num_ibs;
1261 
1262 	struct ww_acquire_ctx	ticket;
1263 
1264 	/* user fence */
1265 	struct amdgpu_user_fence uf;
1266 };
1267 
1268 struct amdgpu_job {
1269 	struct amd_sched_job    base;
1270 	struct amdgpu_device	*adev;
1271 	struct amdgpu_ib	*ibs;
1272 	uint32_t		num_ibs;
1273 	void			*owner;
1274 	struct amdgpu_user_fence uf;
1275 	int (*free_job)(struct amdgpu_job *job);
1276 };
1277 #define to_amdgpu_job(sched_job)		\
1278 		container_of((sched_job), struct amdgpu_job, base)
1279 
1280 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
1281 {
1282 	return p->ibs[ib_idx].ptr[idx];
1283 }
1284 
1285 /*
1286  * Writeback
1287  */
1288 #define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1289 
1290 struct amdgpu_wb {
1291 	struct amdgpu_bo	*wb_obj;
1292 	volatile uint32_t	*wb;
1293 	uint64_t		gpu_addr;
1294 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
1295 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1296 };
1297 
1298 int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
1299 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
1300 
1301 /**
1302  * struct amdgpu_pm - power management datas
1303  * It keeps track of various data needed to take powermanagement decision.
1304  */
1305 
1306 enum amdgpu_pm_state_type {
1307 	/* not used for dpm */
1308 	POWER_STATE_TYPE_DEFAULT,
1309 	POWER_STATE_TYPE_POWERSAVE,
1310 	/* user selectable states */
1311 	POWER_STATE_TYPE_BATTERY,
1312 	POWER_STATE_TYPE_BALANCED,
1313 	POWER_STATE_TYPE_PERFORMANCE,
1314 	/* internal states */
1315 	POWER_STATE_TYPE_INTERNAL_UVD,
1316 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1317 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1318 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1319 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1320 	POWER_STATE_TYPE_INTERNAL_BOOT,
1321 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1322 	POWER_STATE_TYPE_INTERNAL_ACPI,
1323 	POWER_STATE_TYPE_INTERNAL_ULV,
1324 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1325 };
1326 
1327 enum amdgpu_int_thermal_type {
1328 	THERMAL_TYPE_NONE,
1329 	THERMAL_TYPE_EXTERNAL,
1330 	THERMAL_TYPE_EXTERNAL_GPIO,
1331 	THERMAL_TYPE_RV6XX,
1332 	THERMAL_TYPE_RV770,
1333 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1334 	THERMAL_TYPE_EVERGREEN,
1335 	THERMAL_TYPE_SUMO,
1336 	THERMAL_TYPE_NI,
1337 	THERMAL_TYPE_SI,
1338 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1339 	THERMAL_TYPE_CI,
1340 	THERMAL_TYPE_KV,
1341 };
1342 
1343 enum amdgpu_dpm_auto_throttle_src {
1344 	AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
1345 	AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1346 };
1347 
1348 enum amdgpu_dpm_event_src {
1349 	AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
1350 	AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
1351 	AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
1352 	AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1353 	AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1354 };
1355 
1356 #define AMDGPU_MAX_VCE_LEVELS 6
1357 
1358 enum amdgpu_vce_level {
1359 	AMDGPU_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1360 	AMDGPU_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1361 	AMDGPU_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1362 	AMDGPU_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1363 	AMDGPU_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1364 	AMDGPU_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1365 };
1366 
1367 struct amdgpu_ps {
1368 	u32 caps; /* vbios flags */
1369 	u32 class; /* vbios flags */
1370 	u32 class2; /* vbios flags */
1371 	/* UVD clocks */
1372 	u32 vclk;
1373 	u32 dclk;
1374 	/* VCE clocks */
1375 	u32 evclk;
1376 	u32 ecclk;
1377 	bool vce_active;
1378 	enum amdgpu_vce_level vce_level;
1379 	/* asic priv */
1380 	void *ps_priv;
1381 };
1382 
1383 struct amdgpu_dpm_thermal {
1384 	/* thermal interrupt work */
1385 	struct work_struct work;
1386 	/* low temperature threshold */
1387 	int                min_temp;
1388 	/* high temperature threshold */
1389 	int                max_temp;
1390 	/* was last interrupt low to high or high to low */
1391 	bool               high_to_low;
1392 	/* interrupt source */
1393 	struct amdgpu_irq_src	irq;
1394 };
1395 
1396 enum amdgpu_clk_action
1397 {
1398 	AMDGPU_SCLK_UP = 1,
1399 	AMDGPU_SCLK_DOWN
1400 };
1401 
1402 struct amdgpu_blacklist_clocks
1403 {
1404 	u32 sclk;
1405 	u32 mclk;
1406 	enum amdgpu_clk_action action;
1407 };
1408 
1409 struct amdgpu_clock_and_voltage_limits {
1410 	u32 sclk;
1411 	u32 mclk;
1412 	u16 vddc;
1413 	u16 vddci;
1414 };
1415 
1416 struct amdgpu_clock_array {
1417 	u32 count;
1418 	u32 *values;
1419 };
1420 
1421 struct amdgpu_clock_voltage_dependency_entry {
1422 	u32 clk;
1423 	u16 v;
1424 };
1425 
1426 struct amdgpu_clock_voltage_dependency_table {
1427 	u32 count;
1428 	struct amdgpu_clock_voltage_dependency_entry *entries;
1429 };
1430 
1431 union amdgpu_cac_leakage_entry {
1432 	struct {
1433 		u16 vddc;
1434 		u32 leakage;
1435 	};
1436 	struct {
1437 		u16 vddc1;
1438 		u16 vddc2;
1439 		u16 vddc3;
1440 	};
1441 };
1442 
1443 struct amdgpu_cac_leakage_table {
1444 	u32 count;
1445 	union amdgpu_cac_leakage_entry *entries;
1446 };
1447 
1448 struct amdgpu_phase_shedding_limits_entry {
1449 	u16 voltage;
1450 	u32 sclk;
1451 	u32 mclk;
1452 };
1453 
1454 struct amdgpu_phase_shedding_limits_table {
1455 	u32 count;
1456 	struct amdgpu_phase_shedding_limits_entry *entries;
1457 };
1458 
1459 struct amdgpu_uvd_clock_voltage_dependency_entry {
1460 	u32 vclk;
1461 	u32 dclk;
1462 	u16 v;
1463 };
1464 
1465 struct amdgpu_uvd_clock_voltage_dependency_table {
1466 	u8 count;
1467 	struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
1468 };
1469 
1470 struct amdgpu_vce_clock_voltage_dependency_entry {
1471 	u32 ecclk;
1472 	u32 evclk;
1473 	u16 v;
1474 };
1475 
1476 struct amdgpu_vce_clock_voltage_dependency_table {
1477 	u8 count;
1478 	struct amdgpu_vce_clock_voltage_dependency_entry *entries;
1479 };
1480 
1481 struct amdgpu_ppm_table {
1482 	u8 ppm_design;
1483 	u16 cpu_core_number;
1484 	u32 platform_tdp;
1485 	u32 small_ac_platform_tdp;
1486 	u32 platform_tdc;
1487 	u32 small_ac_platform_tdc;
1488 	u32 apu_tdp;
1489 	u32 dgpu_tdp;
1490 	u32 dgpu_ulv_power;
1491 	u32 tj_max;
1492 };
1493 
1494 struct amdgpu_cac_tdp_table {
1495 	u16 tdp;
1496 	u16 configurable_tdp;
1497 	u16 tdc;
1498 	u16 battery_power_limit;
1499 	u16 small_power_limit;
1500 	u16 low_cac_leakage;
1501 	u16 high_cac_leakage;
1502 	u16 maximum_power_delivery_limit;
1503 };
1504 
1505 struct amdgpu_dpm_dynamic_state {
1506 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
1507 	struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
1508 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
1509 	struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1510 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1511 	struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1512 	struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1513 	struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1514 	struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1515 	struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
1516 	struct amdgpu_clock_array valid_sclk_values;
1517 	struct amdgpu_clock_array valid_mclk_values;
1518 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
1519 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
1520 	u32 mclk_sclk_ratio;
1521 	u32 sclk_mclk_delta;
1522 	u16 vddc_vddci_delta;
1523 	u16 min_vddc_for_pcie_gen2;
1524 	struct amdgpu_cac_leakage_table cac_leakage_table;
1525 	struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
1526 	struct amdgpu_ppm_table *ppm_table;
1527 	struct amdgpu_cac_tdp_table *cac_tdp_table;
1528 };
1529 
1530 struct amdgpu_dpm_fan {
1531 	u16 t_min;
1532 	u16 t_med;
1533 	u16 t_high;
1534 	u16 pwm_min;
1535 	u16 pwm_med;
1536 	u16 pwm_high;
1537 	u8 t_hyst;
1538 	u32 cycle_delay;
1539 	u16 t_max;
1540 	u8 control_mode;
1541 	u16 default_max_fan_pwm;
1542 	u16 default_fan_output_sensitivity;
1543 	u16 fan_output_sensitivity;
1544 	bool ucode_fan_control;
1545 };
1546 
1547 enum amdgpu_pcie_gen {
1548 	AMDGPU_PCIE_GEN1 = 0,
1549 	AMDGPU_PCIE_GEN2 = 1,
1550 	AMDGPU_PCIE_GEN3 = 2,
1551 	AMDGPU_PCIE_GEN_INVALID = 0xffff
1552 };
1553 
1554 enum amdgpu_dpm_forced_level {
1555 	AMDGPU_DPM_FORCED_LEVEL_AUTO = 0,
1556 	AMDGPU_DPM_FORCED_LEVEL_LOW = 1,
1557 	AMDGPU_DPM_FORCED_LEVEL_HIGH = 2,
1558 };
1559 
1560 struct amdgpu_vce_state {
1561 	/* vce clocks */
1562 	u32 evclk;
1563 	u32 ecclk;
1564 	/* gpu clocks */
1565 	u32 sclk;
1566 	u32 mclk;
1567 	u8 clk_idx;
1568 	u8 pstate;
1569 };
1570 
1571 struct amdgpu_dpm_funcs {
1572 	int (*get_temperature)(struct amdgpu_device *adev);
1573 	int (*pre_set_power_state)(struct amdgpu_device *adev);
1574 	int (*set_power_state)(struct amdgpu_device *adev);
1575 	void (*post_set_power_state)(struct amdgpu_device *adev);
1576 	void (*display_configuration_changed)(struct amdgpu_device *adev);
1577 	u32 (*get_sclk)(struct amdgpu_device *adev, bool low);
1578 	u32 (*get_mclk)(struct amdgpu_device *adev, bool low);
1579 	void (*print_power_state)(struct amdgpu_device *adev, struct amdgpu_ps *ps);
1580 	void (*debugfs_print_current_performance_level)(struct amdgpu_device *adev, struct seq_file *m);
1581 	int (*force_performance_level)(struct amdgpu_device *adev, enum amdgpu_dpm_forced_level level);
1582 	bool (*vblank_too_short)(struct amdgpu_device *adev);
1583 	void (*powergate_uvd)(struct amdgpu_device *adev, bool gate);
1584 	void (*powergate_vce)(struct amdgpu_device *adev, bool gate);
1585 	void (*enable_bapm)(struct amdgpu_device *adev, bool enable);
1586 	void (*set_fan_control_mode)(struct amdgpu_device *adev, u32 mode);
1587 	u32 (*get_fan_control_mode)(struct amdgpu_device *adev);
1588 	int (*set_fan_speed_percent)(struct amdgpu_device *adev, u32 speed);
1589 	int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed);
1590 };
1591 
1592 struct amdgpu_dpm {
1593 	struct amdgpu_ps        *ps;
1594 	/* number of valid power states */
1595 	int                     num_ps;
1596 	/* current power state that is active */
1597 	struct amdgpu_ps        *current_ps;
1598 	/* requested power state */
1599 	struct amdgpu_ps        *requested_ps;
1600 	/* boot up power state */
1601 	struct amdgpu_ps        *boot_ps;
1602 	/* default uvd power state */
1603 	struct amdgpu_ps        *uvd_ps;
1604 	/* vce requirements */
1605 	struct amdgpu_vce_state vce_states[AMDGPU_MAX_VCE_LEVELS];
1606 	enum amdgpu_vce_level vce_level;
1607 	enum amdgpu_pm_state_type state;
1608 	enum amdgpu_pm_state_type user_state;
1609 	u32                     platform_caps;
1610 	u32                     voltage_response_time;
1611 	u32                     backbias_response_time;
1612 	void                    *priv;
1613 	u32			new_active_crtcs;
1614 	int			new_active_crtc_count;
1615 	u32			current_active_crtcs;
1616 	int			current_active_crtc_count;
1617 	struct amdgpu_dpm_dynamic_state dyn_state;
1618 	struct amdgpu_dpm_fan fan;
1619 	u32 tdp_limit;
1620 	u32 near_tdp_limit;
1621 	u32 near_tdp_limit_adjusted;
1622 	u32 sq_ramping_threshold;
1623 	u32 cac_leakage;
1624 	u16 tdp_od_limit;
1625 	u32 tdp_adjustment;
1626 	u16 load_line_slope;
1627 	bool power_control;
1628 	bool ac_power;
1629 	/* special states active */
1630 	bool                    thermal_active;
1631 	bool                    uvd_active;
1632 	bool                    vce_active;
1633 	/* thermal handling */
1634 	struct amdgpu_dpm_thermal thermal;
1635 	/* forced levels */
1636 	enum amdgpu_dpm_forced_level forced_level;
1637 };
1638 
1639 struct amdgpu_pm {
1640 	struct mutex		mutex;
1641 	u32                     current_sclk;
1642 	u32                     current_mclk;
1643 	u32                     default_sclk;
1644 	u32                     default_mclk;
1645 	struct amdgpu_i2c_chan *i2c_bus;
1646 	/* internal thermal controller on rv6xx+ */
1647 	enum amdgpu_int_thermal_type int_thermal_type;
1648 	struct device	        *int_hwmon_dev;
1649 	/* fan control parameters */
1650 	bool                    no_fan;
1651 	u8                      fan_pulses_per_revolution;
1652 	u8                      fan_min_rpm;
1653 	u8                      fan_max_rpm;
1654 	/* dpm */
1655 	bool                    dpm_enabled;
1656 	bool                    sysfs_initialized;
1657 	struct amdgpu_dpm       dpm;
1658 	const struct firmware	*fw;	/* SMC firmware */
1659 	uint32_t                fw_version;
1660 	const struct amdgpu_dpm_funcs *funcs;
1661 };
1662 
1663 /*
1664  * UVD
1665  */
1666 #define AMDGPU_MAX_UVD_HANDLES	10
1667 #define AMDGPU_UVD_STACK_SIZE	(1024*1024)
1668 #define AMDGPU_UVD_HEAP_SIZE	(1024*1024)
1669 #define AMDGPU_UVD_FIRMWARE_OFFSET 256
1670 
1671 struct amdgpu_uvd {
1672 	struct amdgpu_bo	*vcpu_bo;
1673 	void			*cpu_addr;
1674 	uint64_t		gpu_addr;
1675 	atomic_t		handles[AMDGPU_MAX_UVD_HANDLES];
1676 	struct drm_file		*filp[AMDGPU_MAX_UVD_HANDLES];
1677 	struct delayed_work	idle_work;
1678 	const struct firmware	*fw;	/* UVD firmware */
1679 	struct amdgpu_ring	ring;
1680 	struct amdgpu_irq_src	irq;
1681 	bool			address_64_bit;
1682 };
1683 
1684 /*
1685  * VCE
1686  */
1687 #define AMDGPU_MAX_VCE_HANDLES	16
1688 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
1689 
1690 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
1691 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
1692 
1693 struct amdgpu_vce {
1694 	struct amdgpu_bo	*vcpu_bo;
1695 	uint64_t		gpu_addr;
1696 	unsigned		fw_version;
1697 	unsigned		fb_version;
1698 	atomic_t		handles[AMDGPU_MAX_VCE_HANDLES];
1699 	struct drm_file		*filp[AMDGPU_MAX_VCE_HANDLES];
1700 	uint32_t		img_size[AMDGPU_MAX_VCE_HANDLES];
1701 	struct delayed_work	idle_work;
1702 	const struct firmware	*fw;	/* VCE firmware */
1703 	struct amdgpu_ring	ring[AMDGPU_MAX_VCE_RINGS];
1704 	struct amdgpu_irq_src	irq;
1705 	unsigned		harvest_config;
1706 };
1707 
1708 /*
1709  * SDMA
1710  */
1711 struct amdgpu_sdma_instance {
1712 	/* SDMA firmware */
1713 	const struct firmware	*fw;
1714 	uint32_t		fw_version;
1715 	uint32_t		feature_version;
1716 
1717 	struct amdgpu_ring	ring;
1718 	bool			burst_nop;
1719 };
1720 
1721 struct amdgpu_sdma {
1722 	struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
1723 	struct amdgpu_irq_src	trap_irq;
1724 	struct amdgpu_irq_src	illegal_inst_irq;
1725 	int 			num_instances;
1726 };
1727 
1728 /*
1729  * Firmware
1730  */
1731 struct amdgpu_firmware {
1732 	struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1733 	bool smu_load;
1734 	struct amdgpu_bo *fw_buf;
1735 	unsigned int fw_size;
1736 };
1737 
1738 /*
1739  * Benchmarking
1740  */
1741 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1742 
1743 
1744 /*
1745  * Testing
1746  */
1747 void amdgpu_test_moves(struct amdgpu_device *adev);
1748 void amdgpu_test_ring_sync(struct amdgpu_device *adev,
1749 			   struct amdgpu_ring *cpA,
1750 			   struct amdgpu_ring *cpB);
1751 void amdgpu_test_syncing(struct amdgpu_device *adev);
1752 
1753 /*
1754  * MMU Notifier
1755  */
1756 #if defined(CONFIG_MMU_NOTIFIER)
1757 int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
1758 void amdgpu_mn_unregister(struct amdgpu_bo *bo);
1759 #else
1760 static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
1761 {
1762 	return -ENODEV;
1763 }
1764 static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
1765 #endif
1766 
1767 /*
1768  * Debugfs
1769  */
1770 struct amdgpu_debugfs {
1771 	struct drm_info_list	*files;
1772 	unsigned		num_files;
1773 };
1774 
1775 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
1776 			     struct drm_info_list *files,
1777 			     unsigned nfiles);
1778 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
1779 
1780 #if defined(CONFIG_DEBUG_FS)
1781 int amdgpu_debugfs_init(struct drm_minor *minor);
1782 void amdgpu_debugfs_cleanup(struct drm_minor *minor);
1783 #endif
1784 
1785 /*
1786  * amdgpu smumgr functions
1787  */
1788 struct amdgpu_smumgr_funcs {
1789 	int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1790 	int (*request_smu_load_fw)(struct amdgpu_device *adev);
1791 	int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1792 };
1793 
1794 /*
1795  * amdgpu smumgr
1796  */
1797 struct amdgpu_smumgr {
1798 	struct amdgpu_bo *toc_buf;
1799 	struct amdgpu_bo *smu_buf;
1800 	/* asic priv smu data */
1801 	void *priv;
1802 	spinlock_t smu_lock;
1803 	/* smumgr functions */
1804 	const struct amdgpu_smumgr_funcs *smumgr_funcs;
1805 	/* ucode loading complete flag */
1806 	uint32_t fw_flags;
1807 };
1808 
1809 /*
1810  * ASIC specific register table accessible by UMD
1811  */
1812 struct amdgpu_allowed_register_entry {
1813 	uint32_t reg_offset;
1814 	bool untouched;
1815 	bool grbm_indexed;
1816 };
1817 
1818 struct amdgpu_cu_info {
1819 	uint32_t number; /* total active CU number */
1820 	uint32_t ao_cu_mask;
1821 	uint32_t bitmap[4][4];
1822 };
1823 
1824 
1825 /*
1826  * ASIC specific functions.
1827  */
1828 struct amdgpu_asic_funcs {
1829 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
1830 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1831 			     u32 sh_num, u32 reg_offset, u32 *value);
1832 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1833 	int (*reset)(struct amdgpu_device *adev);
1834 	/* wait for mc_idle */
1835 	int (*wait_for_mc_idle)(struct amdgpu_device *adev);
1836 	/* get the reference clock */
1837 	u32 (*get_xclk)(struct amdgpu_device *adev);
1838 	/* get the gpu clock counter */
1839 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
1840 	int (*get_cu_info)(struct amdgpu_device *adev, struct amdgpu_cu_info *info);
1841 	/* MM block clocks */
1842 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1843 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1844 };
1845 
1846 /*
1847  * IOCTL.
1848  */
1849 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1850 			    struct drm_file *filp);
1851 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1852 				struct drm_file *filp);
1853 
1854 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1855 			  struct drm_file *filp);
1856 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1857 			struct drm_file *filp);
1858 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1859 			  struct drm_file *filp);
1860 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1861 			      struct drm_file *filp);
1862 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1863 			  struct drm_file *filp);
1864 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1865 			struct drm_file *filp);
1866 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1867 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1868 
1869 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1870 				struct drm_file *filp);
1871 
1872 /* VRAM scratch page for HDP bug, default vram page */
1873 struct amdgpu_vram_scratch {
1874 	struct amdgpu_bo		*robj;
1875 	volatile uint32_t		*ptr;
1876 	u64				gpu_addr;
1877 };
1878 
1879 /*
1880  * ACPI
1881  */
1882 struct amdgpu_atif_notification_cfg {
1883 	bool enabled;
1884 	int command_code;
1885 };
1886 
1887 struct amdgpu_atif_notifications {
1888 	bool display_switch;
1889 	bool expansion_mode_change;
1890 	bool thermal_state;
1891 	bool forced_power_state;
1892 	bool system_power_state;
1893 	bool display_conf_change;
1894 	bool px_gfx_switch;
1895 	bool brightness_change;
1896 	bool dgpu_display_event;
1897 };
1898 
1899 struct amdgpu_atif_functions {
1900 	bool system_params;
1901 	bool sbios_requests;
1902 	bool select_active_disp;
1903 	bool lid_state;
1904 	bool get_tv_standard;
1905 	bool set_tv_standard;
1906 	bool get_panel_expansion_mode;
1907 	bool set_panel_expansion_mode;
1908 	bool temperature_change;
1909 	bool graphics_device_types;
1910 };
1911 
1912 struct amdgpu_atif {
1913 	struct amdgpu_atif_notifications notifications;
1914 	struct amdgpu_atif_functions functions;
1915 	struct amdgpu_atif_notification_cfg notification_cfg;
1916 	struct amdgpu_encoder *encoder_for_bl;
1917 };
1918 
1919 struct amdgpu_atcs_functions {
1920 	bool get_ext_state;
1921 	bool pcie_perf_req;
1922 	bool pcie_dev_rdy;
1923 	bool pcie_bus_width;
1924 };
1925 
1926 struct amdgpu_atcs {
1927 	struct amdgpu_atcs_functions functions;
1928 };
1929 
1930 /*
1931  * CGS
1932  */
1933 void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1934 void amdgpu_cgs_destroy_device(void *cgs_device);
1935 
1936 
1937 /*
1938  * Core structure, functions and helpers.
1939  */
1940 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1941 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1942 
1943 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1944 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1945 
1946 struct amdgpu_ip_block_status {
1947 	bool valid;
1948 	bool sw;
1949 	bool hw;
1950 };
1951 
1952 struct amdgpu_device {
1953 	struct device			*dev;
1954 	struct drm_device		*ddev;
1955 	struct pci_dev			*pdev;
1956 
1957 	/* ASIC */
1958 	enum amd_asic_type		asic_type;
1959 	uint32_t			family;
1960 	uint32_t			rev_id;
1961 	uint32_t			external_rev_id;
1962 	unsigned long			flags;
1963 	int				usec_timeout;
1964 	const struct amdgpu_asic_funcs	*asic_funcs;
1965 	bool				shutdown;
1966 	bool				suspend;
1967 	bool				need_dma32;
1968 	bool				accel_working;
1969 	struct work_struct 		reset_work;
1970 	struct notifier_block		acpi_nb;
1971 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
1972 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1973 	unsigned 			debugfs_count;
1974 #if defined(CONFIG_DEBUG_FS)
1975 	struct dentry			*debugfs_regs;
1976 #endif
1977 	struct amdgpu_atif		atif;
1978 	struct amdgpu_atcs		atcs;
1979 	struct mutex			srbm_mutex;
1980 	/* GRBM index mutex. Protects concurrent access to GRBM index */
1981 	struct mutex                    grbm_idx_mutex;
1982 	struct dev_pm_domain		vga_pm_domain;
1983 	bool				have_disp_power_ref;
1984 
1985 	/* BIOS */
1986 	uint8_t				*bios;
1987 	bool				is_atom_bios;
1988 	uint16_t			bios_header_start;
1989 	struct amdgpu_bo		*stollen_vga_memory;
1990 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1991 
1992 	/* Register/doorbell mmio */
1993 	resource_size_t			rmmio_base;
1994 	resource_size_t			rmmio_size;
1995 	void __iomem			*rmmio;
1996 	/* protects concurrent MM_INDEX/DATA based register access */
1997 	spinlock_t mmio_idx_lock;
1998 	/* protects concurrent SMC based register access */
1999 	spinlock_t smc_idx_lock;
2000 	amdgpu_rreg_t			smc_rreg;
2001 	amdgpu_wreg_t			smc_wreg;
2002 	/* protects concurrent PCIE register access */
2003 	spinlock_t pcie_idx_lock;
2004 	amdgpu_rreg_t			pcie_rreg;
2005 	amdgpu_wreg_t			pcie_wreg;
2006 	/* protects concurrent UVD register access */
2007 	spinlock_t uvd_ctx_idx_lock;
2008 	amdgpu_rreg_t			uvd_ctx_rreg;
2009 	amdgpu_wreg_t			uvd_ctx_wreg;
2010 	/* protects concurrent DIDT register access */
2011 	spinlock_t didt_idx_lock;
2012 	amdgpu_rreg_t			didt_rreg;
2013 	amdgpu_wreg_t			didt_wreg;
2014 	/* protects concurrent ENDPOINT (audio) register access */
2015 	spinlock_t audio_endpt_idx_lock;
2016 	amdgpu_block_rreg_t		audio_endpt_rreg;
2017 	amdgpu_block_wreg_t		audio_endpt_wreg;
2018 	void __iomem                    *rio_mem;
2019 	resource_size_t			rio_mem_size;
2020 	struct amdgpu_doorbell		doorbell;
2021 
2022 	/* clock/pll info */
2023 	struct amdgpu_clock            clock;
2024 
2025 	/* MC */
2026 	struct amdgpu_mc		mc;
2027 	struct amdgpu_gart		gart;
2028 	struct amdgpu_dummy_page	dummy_page;
2029 	struct amdgpu_vm_manager	vm_manager;
2030 
2031 	/* memory management */
2032 	struct amdgpu_mman		mman;
2033 	struct amdgpu_gem		gem;
2034 	struct amdgpu_vram_scratch	vram_scratch;
2035 	struct amdgpu_wb		wb;
2036 	atomic64_t			vram_usage;
2037 	atomic64_t			vram_vis_usage;
2038 	atomic64_t			gtt_usage;
2039 	atomic64_t			num_bytes_moved;
2040 	atomic_t			gpu_reset_counter;
2041 
2042 	/* display */
2043 	struct amdgpu_mode_info		mode_info;
2044 	struct work_struct		hotplug_work;
2045 	struct amdgpu_irq_src		crtc_irq;
2046 	struct amdgpu_irq_src		pageflip_irq;
2047 	struct amdgpu_irq_src		hpd_irq;
2048 
2049 	/* rings */
2050 	unsigned			fence_context;
2051 	struct mutex			ring_lock;
2052 	unsigned			num_rings;
2053 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
2054 	bool				ib_pool_ready;
2055 	struct amdgpu_sa_manager	ring_tmp_bo;
2056 
2057 	/* interrupts */
2058 	struct amdgpu_irq		irq;
2059 
2060 	/* dpm */
2061 	struct amdgpu_pm		pm;
2062 	u32				cg_flags;
2063 	u32				pg_flags;
2064 
2065 	/* amdgpu smumgr */
2066 	struct amdgpu_smumgr smu;
2067 
2068 	/* gfx */
2069 	struct amdgpu_gfx		gfx;
2070 
2071 	/* sdma */
2072 	struct amdgpu_sdma		sdma;
2073 
2074 	/* uvd */
2075 	bool				has_uvd;
2076 	struct amdgpu_uvd		uvd;
2077 
2078 	/* vce */
2079 	struct amdgpu_vce		vce;
2080 
2081 	/* firmwares */
2082 	struct amdgpu_firmware		firmware;
2083 
2084 	/* GDS */
2085 	struct amdgpu_gds		gds;
2086 
2087 	const struct amdgpu_ip_block_version *ip_blocks;
2088 	int				num_ip_blocks;
2089 	struct amdgpu_ip_block_status	*ip_block_status;
2090 	struct mutex	mn_lock;
2091 	DECLARE_HASHTABLE(mn_hash, 7);
2092 
2093 	/* tracking pinned memory */
2094 	u64 vram_pin_size;
2095 	u64 gart_pin_size;
2096 
2097 	/* amdkfd interface */
2098 	struct kfd_dev          *kfd;
2099 
2100 	/* kernel conext for IB submission */
2101 	struct amdgpu_ctx	kernel_ctx;
2102 };
2103 
2104 bool amdgpu_device_is_px(struct drm_device *dev);
2105 int amdgpu_device_init(struct amdgpu_device *adev,
2106 		       struct drm_device *ddev,
2107 		       struct pci_dev *pdev,
2108 		       uint32_t flags);
2109 void amdgpu_device_fini(struct amdgpu_device *adev);
2110 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
2111 
2112 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
2113 			bool always_indirect);
2114 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
2115 		    bool always_indirect);
2116 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
2117 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
2118 
2119 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
2120 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
2121 
2122 /*
2123  * Cast helper
2124  */
2125 extern const struct fence_ops amdgpu_fence_ops;
2126 static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
2127 {
2128 	struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
2129 
2130 	if (__f->base.ops == &amdgpu_fence_ops)
2131 		return __f;
2132 
2133 	return NULL;
2134 }
2135 
2136 /*
2137  * Registers read & write functions.
2138  */
2139 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
2140 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
2141 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
2142 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
2143 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
2144 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2145 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2146 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
2147 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
2148 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
2149 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
2150 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
2151 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
2152 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
2153 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
2154 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
2155 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
2156 #define WREG32_P(reg, val, mask)				\
2157 	do {							\
2158 		uint32_t tmp_ = RREG32(reg);			\
2159 		tmp_ &= (mask);					\
2160 		tmp_ |= ((val) & ~(mask));			\
2161 		WREG32(reg, tmp_);				\
2162 	} while (0)
2163 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2164 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2165 #define WREG32_PLL_P(reg, val, mask)				\
2166 	do {							\
2167 		uint32_t tmp_ = RREG32_PLL(reg);		\
2168 		tmp_ &= (mask);					\
2169 		tmp_ |= ((val) & ~(mask));			\
2170 		WREG32_PLL(reg, tmp_);				\
2171 	} while (0)
2172 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
2173 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
2174 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
2175 
2176 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
2177 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
2178 
2179 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
2180 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
2181 
2182 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
2183 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
2184 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
2185 
2186 #define REG_GET_FIELD(value, reg, field)				\
2187 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
2188 
2189 /*
2190  * BIOS helpers.
2191  */
2192 #define RBIOS8(i) (adev->bios[i])
2193 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2194 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2195 
2196 /*
2197  * RING helpers.
2198  */
2199 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
2200 {
2201 	if (ring->count_dw <= 0)
2202 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
2203 	ring->ring[ring->wptr++] = v;
2204 	ring->wptr &= ring->ptr_mask;
2205 	ring->count_dw--;
2206 	ring->ring_free_dw--;
2207 }
2208 
2209 static inline struct amdgpu_sdma_instance *
2210 amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
2211 {
2212 	struct amdgpu_device *adev = ring->adev;
2213 	int i;
2214 
2215 	for (i = 0; i < adev->sdma.num_instances; i++)
2216 		if (&adev->sdma.instance[i].ring == ring)
2217 			break;
2218 
2219 	if (i < AMDGPU_MAX_SDMA_INSTANCES)
2220 		return &adev->sdma.instance[i];
2221 	else
2222 		return NULL;
2223 }
2224 
2225 /*
2226  * ASICs macro.
2227  */
2228 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
2229 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
2230 #define amdgpu_asic_wait_for_mc_idle(adev) (adev)->asic_funcs->wait_for_mc_idle((adev))
2231 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
2232 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
2233 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
2234 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
2235 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
2236 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
2237 #define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))
2238 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
2239 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
2240 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
2241 #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)))
2242 #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)))
2243 #define amdgpu_vm_pad_ib(adev, ib) ((adev)->vm_manager.vm_pte_funcs->pad_ib((ib)))
2244 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
2245 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
2246 #define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
2247 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
2248 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
2249 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
2250 #define amdgpu_ring_emit_ib(r, ib) (r)->funcs->emit_ib((r), (ib))
2251 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
2252 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
2253 #define amdgpu_ring_emit_semaphore(r, semaphore, emit_wait) (r)->funcs->emit_semaphore((r), (semaphore), (emit_wait))
2254 #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))
2255 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
2256 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
2257 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
2258 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
2259 #define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
2260 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
2261 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
2262 #define amdgpu_display_is_display_hung(adev) (adev)->mode_info.funcs->is_display_hung((adev))
2263 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
2264 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
2265 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
2266 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
2267 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
2268 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
2269 #define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
2270 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
2271 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
2272 #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))
2273 #define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
2274 #define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
2275 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b))
2276 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
2277 #define amdgpu_dpm_get_temperature(adev) (adev)->pm.funcs->get_temperature((adev))
2278 #define amdgpu_dpm_pre_set_power_state(adev) (adev)->pm.funcs->pre_set_power_state((adev))
2279 #define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
2280 #define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
2281 #define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
2282 #define amdgpu_dpm_get_sclk(adev, l) (adev)->pm.funcs->get_sclk((adev), (l))
2283 #define amdgpu_dpm_get_mclk(adev, l) (adev)->pm.funcs->get_mclk((adev), (l))
2284 #define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
2285 #define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
2286 #define amdgpu_dpm_force_performance_level(adev, l) (adev)->pm.funcs->force_performance_level((adev), (l))
2287 #define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
2288 #define amdgpu_dpm_powergate_uvd(adev, g) (adev)->pm.funcs->powergate_uvd((adev), (g))
2289 #define amdgpu_dpm_powergate_vce(adev, g) (adev)->pm.funcs->powergate_vce((adev), (g))
2290 #define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
2291 #define amdgpu_dpm_set_fan_control_mode(adev, m) (adev)->pm.funcs->set_fan_control_mode((adev), (m))
2292 #define amdgpu_dpm_get_fan_control_mode(adev) (adev)->pm.funcs->get_fan_control_mode((adev))
2293 #define amdgpu_dpm_set_fan_speed_percent(adev, s) (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
2294 #define amdgpu_dpm_get_fan_speed_percent(adev, s) (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
2295 
2296 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
2297 
2298 /* Common functions */
2299 int amdgpu_gpu_reset(struct amdgpu_device *adev);
2300 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
2301 bool amdgpu_card_posted(struct amdgpu_device *adev);
2302 void amdgpu_update_display_priority(struct amdgpu_device *adev);
2303 bool amdgpu_boot_test_post_card(struct amdgpu_device *adev);
2304 
2305 int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
2306 int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
2307 		       u32 ip_instance, u32 ring,
2308 		       struct amdgpu_ring **out_ring);
2309 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain);
2310 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
2311 int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
2312 				     uint32_t flags);
2313 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
2314 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
2315 uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
2316 				 struct ttm_mem_reg *mem);
2317 void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
2318 void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
2319 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
2320 void amdgpu_program_register_sequence(struct amdgpu_device *adev,
2321 					     const u32 *registers,
2322 					     const u32 array_size);
2323 
2324 bool amdgpu_device_is_px(struct drm_device *dev);
2325 /* atpx handler */
2326 #if defined(CONFIG_VGA_SWITCHEROO)
2327 void amdgpu_register_atpx_handler(void);
2328 void amdgpu_unregister_atpx_handler(void);
2329 #else
2330 static inline void amdgpu_register_atpx_handler(void) {}
2331 static inline void amdgpu_unregister_atpx_handler(void) {}
2332 #endif
2333 
2334 /*
2335  * KMS
2336  */
2337 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
2338 extern int amdgpu_max_kms_ioctl;
2339 
2340 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
2341 int amdgpu_driver_unload_kms(struct drm_device *dev);
2342 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
2343 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
2344 void amdgpu_driver_postclose_kms(struct drm_device *dev,
2345 				 struct drm_file *file_priv);
2346 void amdgpu_driver_preclose_kms(struct drm_device *dev,
2347 				struct drm_file *file_priv);
2348 int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2349 int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2350 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
2351 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
2352 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
2353 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
2354 				    int *max_error,
2355 				    struct timeval *vblank_time,
2356 				    unsigned flags);
2357 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
2358 			     unsigned long arg);
2359 
2360 /*
2361  * functions used by amdgpu_encoder.c
2362  */
2363 struct amdgpu_afmt_acr {
2364 	u32 clock;
2365 
2366 	int n_32khz;
2367 	int cts_32khz;
2368 
2369 	int n_44_1khz;
2370 	int cts_44_1khz;
2371 
2372 	int n_48khz;
2373 	int cts_48khz;
2374 
2375 };
2376 
2377 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
2378 
2379 /* amdgpu_acpi.c */
2380 #if defined(CONFIG_ACPI)
2381 int amdgpu_acpi_init(struct amdgpu_device *adev);
2382 void amdgpu_acpi_fini(struct amdgpu_device *adev);
2383 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
2384 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
2385 						u8 perf_req, bool advertise);
2386 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
2387 #else
2388 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
2389 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
2390 #endif
2391 
2392 struct amdgpu_bo_va_mapping *
2393 amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
2394 		       uint64_t addr, struct amdgpu_bo **bo);
2395 
2396 #include "amdgpu_object.h"
2397 
2398 #endif
2399