xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 0a73d21e)
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/rbtree.h>
36 #include <linux/hashtable.h>
37 #include <linux/dma-fence.h>
38 
39 #include <drm/ttm/ttm_bo_api.h>
40 #include <drm/ttm/ttm_bo_driver.h>
41 #include <drm/ttm/ttm_placement.h>
42 #include <drm/ttm/ttm_module.h>
43 #include <drm/ttm/ttm_execbuf_util.h>
44 
45 #include <drm/drmP.h>
46 #include <drm/drm_gem.h>
47 #include <drm/amdgpu_drm.h>
48 #include <drm/gpu_scheduler.h>
49 
50 #include <kgd_kfd_interface.h>
51 #include "dm_pp_interface.h"
52 #include "kgd_pp_interface.h"
53 
54 #include "amd_shared.h"
55 #include "amdgpu_mode.h"
56 #include "amdgpu_ih.h"
57 #include "amdgpu_irq.h"
58 #include "amdgpu_ucode.h"
59 #include "amdgpu_ttm.h"
60 #include "amdgpu_psp.h"
61 #include "amdgpu_gds.h"
62 #include "amdgpu_sync.h"
63 #include "amdgpu_ring.h"
64 #include "amdgpu_vm.h"
65 #include "amdgpu_dpm.h"
66 #include "amdgpu_acp.h"
67 #include "amdgpu_uvd.h"
68 #include "amdgpu_vce.h"
69 #include "amdgpu_vcn.h"
70 #include "amdgpu_mn.h"
71 #include "amdgpu_dm.h"
72 #include "amdgpu_virt.h"
73 #include "amdgpu_gart.h"
74 #include "amdgpu_debugfs.h"
75 
76 /*
77  * Modules parameters.
78  */
79 extern int amdgpu_modeset;
80 extern int amdgpu_vram_limit;
81 extern int amdgpu_vis_vram_limit;
82 extern int amdgpu_gart_size;
83 extern int amdgpu_gtt_size;
84 extern int amdgpu_moverate;
85 extern int amdgpu_benchmarking;
86 extern int amdgpu_testing;
87 extern int amdgpu_audio;
88 extern int amdgpu_disp_priority;
89 extern int amdgpu_hw_i2c;
90 extern int amdgpu_pcie_gen2;
91 extern int amdgpu_msi;
92 extern int amdgpu_lockup_timeout;
93 extern int amdgpu_dpm;
94 extern int amdgpu_fw_load_type;
95 extern int amdgpu_aspm;
96 extern int amdgpu_runtime_pm;
97 extern uint amdgpu_ip_block_mask;
98 extern int amdgpu_bapm;
99 extern int amdgpu_deep_color;
100 extern int amdgpu_vm_size;
101 extern int amdgpu_vm_block_size;
102 extern int amdgpu_vm_fragment_size;
103 extern int amdgpu_vm_fault_stop;
104 extern int amdgpu_vm_debug;
105 extern int amdgpu_vm_update_mode;
106 extern int amdgpu_dc;
107 extern int amdgpu_dc_log;
108 extern int amdgpu_sched_jobs;
109 extern int amdgpu_sched_hw_submission;
110 extern int amdgpu_no_evict;
111 extern int amdgpu_direct_gma_size;
112 extern uint amdgpu_pcie_gen_cap;
113 extern uint amdgpu_pcie_lane_cap;
114 extern uint amdgpu_cg_mask;
115 extern uint amdgpu_pg_mask;
116 extern uint amdgpu_sdma_phase_quantum;
117 extern char *amdgpu_disable_cu;
118 extern char *amdgpu_virtual_display;
119 extern uint amdgpu_pp_feature_mask;
120 extern int amdgpu_vram_page_split;
121 extern int amdgpu_ngg;
122 extern int amdgpu_prim_buf_per_se;
123 extern int amdgpu_pos_buf_per_se;
124 extern int amdgpu_cntl_sb_buf_per_se;
125 extern int amdgpu_param_buf_per_se;
126 extern int amdgpu_job_hang_limit;
127 extern int amdgpu_lbpw;
128 extern int amdgpu_compute_multipipe;
129 extern int amdgpu_gpu_recovery;
130 
131 #ifdef CONFIG_DRM_AMDGPU_SI
132 extern int amdgpu_si_support;
133 #endif
134 #ifdef CONFIG_DRM_AMDGPU_CIK
135 extern int amdgpu_cik_support;
136 #endif
137 
138 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
139 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
140 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
141 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
142 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
143 #define AMDGPU_IB_POOL_SIZE			16
144 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
145 #define AMDGPUFB_CONN_LIMIT			4
146 #define AMDGPU_BIOS_NUM_SCRATCH			16
147 
148 /* max number of IP instances */
149 #define AMDGPU_MAX_SDMA_INSTANCES		2
150 
151 /* hard reset data */
152 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
153 
154 /* reset flags */
155 #define AMDGPU_RESET_GFX			(1 << 0)
156 #define AMDGPU_RESET_COMPUTE			(1 << 1)
157 #define AMDGPU_RESET_DMA			(1 << 2)
158 #define AMDGPU_RESET_CP				(1 << 3)
159 #define AMDGPU_RESET_GRBM			(1 << 4)
160 #define AMDGPU_RESET_DMA1			(1 << 5)
161 #define AMDGPU_RESET_RLC			(1 << 6)
162 #define AMDGPU_RESET_SEM			(1 << 7)
163 #define AMDGPU_RESET_IH				(1 << 8)
164 #define AMDGPU_RESET_VMC			(1 << 9)
165 #define AMDGPU_RESET_MC				(1 << 10)
166 #define AMDGPU_RESET_DISPLAY			(1 << 11)
167 #define AMDGPU_RESET_UVD			(1 << 12)
168 #define AMDGPU_RESET_VCE			(1 << 13)
169 #define AMDGPU_RESET_VCE1			(1 << 14)
170 
171 /* GFX current status */
172 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
173 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
174 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
175 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
176 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
177 
178 /* max cursor sizes (in pixels) */
179 #define CIK_CURSOR_WIDTH 128
180 #define CIK_CURSOR_HEIGHT 128
181 
182 /* GPU RESET flags */
183 #define AMDGPU_RESET_INFO_VRAM_LOST  (1 << 0)
184 #define AMDGPU_RESET_INFO_FULLRESET  (1 << 1)
185 
186 struct amdgpu_device;
187 struct amdgpu_ib;
188 struct amdgpu_cs_parser;
189 struct amdgpu_job;
190 struct amdgpu_irq_src;
191 struct amdgpu_fpriv;
192 struct amdgpu_bo_va_mapping;
193 
194 enum amdgpu_cp_irq {
195 	AMDGPU_CP_IRQ_GFX_EOP = 0,
196 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
197 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
198 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
199 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
200 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
201 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
202 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
203 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
204 
205 	AMDGPU_CP_IRQ_LAST
206 };
207 
208 enum amdgpu_sdma_irq {
209 	AMDGPU_SDMA_IRQ_TRAP0 = 0,
210 	AMDGPU_SDMA_IRQ_TRAP1,
211 
212 	AMDGPU_SDMA_IRQ_LAST
213 };
214 
215 enum amdgpu_thermal_irq {
216 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
217 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
218 
219 	AMDGPU_THERMAL_IRQ_LAST
220 };
221 
222 enum amdgpu_kiq_irq {
223 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
224 	AMDGPU_CP_KIQ_IRQ_LAST
225 };
226 
227 int amdgpu_device_ip_set_clockgating_state(struct amdgpu_device *adev,
228 					   enum amd_ip_block_type block_type,
229 					   enum amd_clockgating_state state);
230 int amdgpu_device_ip_set_powergating_state(struct amdgpu_device *adev,
231 					   enum amd_ip_block_type block_type,
232 					   enum amd_powergating_state state);
233 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
234 					    u32 *flags);
235 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
236 				   enum amd_ip_block_type block_type);
237 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
238 			      enum amd_ip_block_type block_type);
239 
240 #define AMDGPU_MAX_IP_NUM 16
241 
242 struct amdgpu_ip_block_status {
243 	bool valid;
244 	bool sw;
245 	bool hw;
246 	bool late_initialized;
247 	bool hang;
248 };
249 
250 struct amdgpu_ip_block_version {
251 	const enum amd_ip_block_type type;
252 	const u32 major;
253 	const u32 minor;
254 	const u32 rev;
255 	const struct amd_ip_funcs *funcs;
256 };
257 
258 struct amdgpu_ip_block {
259 	struct amdgpu_ip_block_status status;
260 	const struct amdgpu_ip_block_version *version;
261 };
262 
263 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
264 				       enum amd_ip_block_type type,
265 				       u32 major, u32 minor);
266 
267 struct amdgpu_ip_block *
268 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
269 			      enum amd_ip_block_type type);
270 
271 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
272 			       const struct amdgpu_ip_block_version *ip_block_version);
273 
274 /* provided by hw blocks that can move/clear data.  e.g., gfx or sdma */
275 struct amdgpu_buffer_funcs {
276 	/* maximum bytes in a single operation */
277 	uint32_t	copy_max_bytes;
278 
279 	/* number of dw to reserve per operation */
280 	unsigned	copy_num_dw;
281 
282 	/* used for buffer migration */
283 	void (*emit_copy_buffer)(struct amdgpu_ib *ib,
284 				 /* src addr in bytes */
285 				 uint64_t src_offset,
286 				 /* dst addr in bytes */
287 				 uint64_t dst_offset,
288 				 /* number of byte to transfer */
289 				 uint32_t byte_count);
290 
291 	/* maximum bytes in a single operation */
292 	uint32_t	fill_max_bytes;
293 
294 	/* number of dw to reserve per operation */
295 	unsigned	fill_num_dw;
296 
297 	/* used for buffer clearing */
298 	void (*emit_fill_buffer)(struct amdgpu_ib *ib,
299 				 /* value to write to memory */
300 				 uint32_t src_data,
301 				 /* dst addr in bytes */
302 				 uint64_t dst_offset,
303 				 /* number of byte to fill */
304 				 uint32_t byte_count);
305 };
306 
307 /* provided by hw blocks that can write ptes, e.g., sdma */
308 struct amdgpu_vm_pte_funcs {
309 	/* number of dw to reserve per operation */
310 	unsigned	copy_pte_num_dw;
311 
312 	/* copy pte entries from GART */
313 	void (*copy_pte)(struct amdgpu_ib *ib,
314 			 uint64_t pe, uint64_t src,
315 			 unsigned count);
316 
317 	/* write pte one entry at a time with addr mapping */
318 	void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe,
319 			  uint64_t value, unsigned count,
320 			  uint32_t incr);
321 
322 	/* maximum nums of PTEs/PDEs in a single operation */
323 	uint32_t	set_max_nums_pte_pde;
324 
325 	/* number of dw to reserve per operation */
326 	unsigned	set_pte_pde_num_dw;
327 
328 	/* for linear pte/pde updates without addr mapping */
329 	void (*set_pte_pde)(struct amdgpu_ib *ib,
330 			    uint64_t pe,
331 			    uint64_t addr, unsigned count,
332 			    uint32_t incr, uint64_t flags);
333 };
334 
335 /* provided by the gmc block */
336 struct amdgpu_gart_funcs {
337 	/* flush the vm tlb via mmio */
338 	void (*flush_gpu_tlb)(struct amdgpu_device *adev,
339 			      uint32_t vmid);
340 	/* write pte/pde updates using the cpu */
341 	int (*set_pte_pde)(struct amdgpu_device *adev,
342 			   void *cpu_pt_addr, /* cpu addr of page table */
343 			   uint32_t gpu_page_idx, /* pte/pde to update */
344 			   uint64_t addr, /* addr to write into pte/pde */
345 			   uint64_t flags); /* access flags */
346 	/* enable/disable PRT support */
347 	void (*set_prt)(struct amdgpu_device *adev, bool enable);
348 	/* set pte flags based per asic */
349 	uint64_t (*get_vm_pte_flags)(struct amdgpu_device *adev,
350 				     uint32_t flags);
351 	/* get the pde for a given mc addr */
352 	void (*get_vm_pde)(struct amdgpu_device *adev, int level,
353 			   u64 *dst, u64 *flags);
354 	uint32_t (*get_invalidate_req)(unsigned int vmid);
355 };
356 
357 /* provided by the ih block */
358 struct amdgpu_ih_funcs {
359 	/* ring read/write ptr handling, called from interrupt context */
360 	u32 (*get_wptr)(struct amdgpu_device *adev);
361 	bool (*prescreen_iv)(struct amdgpu_device *adev);
362 	void (*decode_iv)(struct amdgpu_device *adev,
363 			  struct amdgpu_iv_entry *entry);
364 	void (*set_rptr)(struct amdgpu_device *adev);
365 };
366 
367 /*
368  * BIOS.
369  */
370 bool amdgpu_get_bios(struct amdgpu_device *adev);
371 bool amdgpu_read_bios(struct amdgpu_device *adev);
372 
373 /*
374  * Dummy page
375  */
376 struct amdgpu_dummy_page {
377 	struct page	*page;
378 	dma_addr_t	addr;
379 };
380 
381 /*
382  * Clocks
383  */
384 
385 #define AMDGPU_MAX_PPLL 3
386 
387 struct amdgpu_clock {
388 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
389 	struct amdgpu_pll spll;
390 	struct amdgpu_pll mpll;
391 	/* 10 Khz units */
392 	uint32_t default_mclk;
393 	uint32_t default_sclk;
394 	uint32_t default_dispclk;
395 	uint32_t current_dispclk;
396 	uint32_t dp_extclk;
397 	uint32_t max_pixel_clock;
398 };
399 
400 /*
401  * GEM.
402  */
403 
404 #define AMDGPU_GEM_DOMAIN_MAX		0x3
405 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
406 
407 void amdgpu_gem_object_free(struct drm_gem_object *obj);
408 int amdgpu_gem_object_open(struct drm_gem_object *obj,
409 				struct drm_file *file_priv);
410 void amdgpu_gem_object_close(struct drm_gem_object *obj,
411 				struct drm_file *file_priv);
412 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
413 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
414 struct drm_gem_object *
415 amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
416 				 struct dma_buf_attachment *attach,
417 				 struct sg_table *sg);
418 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
419 					struct drm_gem_object *gobj,
420 					int flags);
421 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
422 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
423 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
424 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
425 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
426 int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
427 
428 /* sub-allocation manager, it has to be protected by another lock.
429  * By conception this is an helper for other part of the driver
430  * like the indirect buffer or semaphore, which both have their
431  * locking.
432  *
433  * Principe is simple, we keep a list of sub allocation in offset
434  * order (first entry has offset == 0, last entry has the highest
435  * offset).
436  *
437  * When allocating new object we first check if there is room at
438  * the end total_size - (last_object_offset + last_object_size) >=
439  * alloc_size. If so we allocate new object there.
440  *
441  * When there is not enough room at the end, we start waiting for
442  * each sub object until we reach object_offset+object_size >=
443  * alloc_size, this object then become the sub object we return.
444  *
445  * Alignment can't be bigger than page size.
446  *
447  * Hole are not considered for allocation to keep things simple.
448  * Assumption is that there won't be hole (all object on same
449  * alignment).
450  */
451 
452 #define AMDGPU_SA_NUM_FENCE_LISTS	32
453 
454 struct amdgpu_sa_manager {
455 	wait_queue_head_t	wq;
456 	struct amdgpu_bo	*bo;
457 	struct list_head	*hole;
458 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
459 	struct list_head	olist;
460 	unsigned		size;
461 	uint64_t		gpu_addr;
462 	void			*cpu_ptr;
463 	uint32_t		domain;
464 	uint32_t		align;
465 };
466 
467 /* sub-allocation buffer */
468 struct amdgpu_sa_bo {
469 	struct list_head		olist;
470 	struct list_head		flist;
471 	struct amdgpu_sa_manager	*manager;
472 	unsigned			soffset;
473 	unsigned			eoffset;
474 	struct dma_fence	        *fence;
475 };
476 
477 /*
478  * GEM objects.
479  */
480 void amdgpu_gem_force_release(struct amdgpu_device *adev);
481 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
482 			     int alignment, u32 initial_domain,
483 			     u64 flags, bool kernel,
484 			     struct reservation_object *resv,
485 			     struct drm_gem_object **obj);
486 
487 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
488 			    struct drm_device *dev,
489 			    struct drm_mode_create_dumb *args);
490 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
491 			  struct drm_device *dev,
492 			  uint32_t handle, uint64_t *offset_p);
493 int amdgpu_fence_slab_init(void);
494 void amdgpu_fence_slab_fini(void);
495 
496 /*
497  * VMHUB structures, functions & helpers
498  */
499 struct amdgpu_vmhub {
500 	uint32_t	ctx0_ptb_addr_lo32;
501 	uint32_t	ctx0_ptb_addr_hi32;
502 	uint32_t	vm_inv_eng0_req;
503 	uint32_t	vm_inv_eng0_ack;
504 	uint32_t	vm_context0_cntl;
505 	uint32_t	vm_l2_pro_fault_status;
506 	uint32_t	vm_l2_pro_fault_cntl;
507 };
508 
509 /*
510  * GPU MC structures, functions & helpers
511  */
512 struct amdgpu_mc {
513 	resource_size_t		aper_size;
514 	resource_size_t		aper_base;
515 	resource_size_t		agp_base;
516 	/* for some chips with <= 32MB we need to lie
517 	 * about vram size near mc fb location */
518 	u64			mc_vram_size;
519 	u64			visible_vram_size;
520 	u64			gart_size;
521 	u64			gart_start;
522 	u64			gart_end;
523 	u64			vram_start;
524 	u64			vram_end;
525 	unsigned		vram_width;
526 	u64			real_vram_size;
527 	int			vram_mtrr;
528 	u64                     mc_mask;
529 	const struct firmware   *fw;	/* MC firmware */
530 	uint32_t                fw_version;
531 	struct amdgpu_irq_src	vm_fault;
532 	uint32_t		vram_type;
533 	uint32_t                srbm_soft_reset;
534 	bool			prt_warning;
535 	uint64_t		stolen_size;
536 	/* apertures */
537 	u64					shared_aperture_start;
538 	u64					shared_aperture_end;
539 	u64					private_aperture_start;
540 	u64					private_aperture_end;
541 	/* protects concurrent invalidation */
542 	spinlock_t		invalidate_lock;
543 	bool			translate_further;
544 };
545 
546 /*
547  * GPU doorbell structures, functions & helpers
548  */
549 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
550 {
551 	AMDGPU_DOORBELL_KIQ                     = 0x000,
552 	AMDGPU_DOORBELL_HIQ                     = 0x001,
553 	AMDGPU_DOORBELL_DIQ                     = 0x002,
554 	AMDGPU_DOORBELL_MEC_RING0               = 0x010,
555 	AMDGPU_DOORBELL_MEC_RING1               = 0x011,
556 	AMDGPU_DOORBELL_MEC_RING2               = 0x012,
557 	AMDGPU_DOORBELL_MEC_RING3               = 0x013,
558 	AMDGPU_DOORBELL_MEC_RING4               = 0x014,
559 	AMDGPU_DOORBELL_MEC_RING5               = 0x015,
560 	AMDGPU_DOORBELL_MEC_RING6               = 0x016,
561 	AMDGPU_DOORBELL_MEC_RING7               = 0x017,
562 	AMDGPU_DOORBELL_GFX_RING0               = 0x020,
563 	AMDGPU_DOORBELL_sDMA_ENGINE0            = 0x1E0,
564 	AMDGPU_DOORBELL_sDMA_ENGINE1            = 0x1E1,
565 	AMDGPU_DOORBELL_IH                      = 0x1E8,
566 	AMDGPU_DOORBELL_MAX_ASSIGNMENT          = 0x3FF,
567 	AMDGPU_DOORBELL_INVALID                 = 0xFFFF
568 } AMDGPU_DOORBELL_ASSIGNMENT;
569 
570 struct amdgpu_doorbell {
571 	/* doorbell mmio */
572 	resource_size_t		base;
573 	resource_size_t		size;
574 	u32 __iomem		*ptr;
575 	u32			num_doorbells;	/* Number of doorbells actually reserved for amdgpu. */
576 };
577 
578 /*
579  * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space
580  */
581 typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
582 {
583 	/*
584 	 * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in
585 	 * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range.
586 	 *  Compute related doorbells are allocated from 0x00 to 0x8a
587 	 */
588 
589 
590 	/* kernel scheduling */
591 	AMDGPU_DOORBELL64_KIQ                     = 0x00,
592 
593 	/* HSA interface queue and debug queue */
594 	AMDGPU_DOORBELL64_HIQ                     = 0x01,
595 	AMDGPU_DOORBELL64_DIQ                     = 0x02,
596 
597 	/* Compute engines */
598 	AMDGPU_DOORBELL64_MEC_RING0               = 0x03,
599 	AMDGPU_DOORBELL64_MEC_RING1               = 0x04,
600 	AMDGPU_DOORBELL64_MEC_RING2               = 0x05,
601 	AMDGPU_DOORBELL64_MEC_RING3               = 0x06,
602 	AMDGPU_DOORBELL64_MEC_RING4               = 0x07,
603 	AMDGPU_DOORBELL64_MEC_RING5               = 0x08,
604 	AMDGPU_DOORBELL64_MEC_RING6               = 0x09,
605 	AMDGPU_DOORBELL64_MEC_RING7               = 0x0a,
606 
607 	/* User queue doorbell range (128 doorbells) */
608 	AMDGPU_DOORBELL64_USERQUEUE_START         = 0x0b,
609 	AMDGPU_DOORBELL64_USERQUEUE_END           = 0x8a,
610 
611 	/* Graphics engine */
612 	AMDGPU_DOORBELL64_GFX_RING0               = 0x8b,
613 
614 	/*
615 	 * Other graphics doorbells can be allocated here: from 0x8c to 0xef
616 	 * Graphics voltage island aperture 1
617 	 * default non-graphics QWORD index is 0xF0 - 0xFF inclusive
618 	 */
619 
620 	/* sDMA engines */
621 	AMDGPU_DOORBELL64_sDMA_ENGINE0            = 0xF0,
622 	AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0     = 0xF1,
623 	AMDGPU_DOORBELL64_sDMA_ENGINE1            = 0xF2,
624 	AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1     = 0xF3,
625 
626 	/* Interrupt handler */
627 	AMDGPU_DOORBELL64_IH                      = 0xF4,  /* For legacy interrupt ring buffer */
628 	AMDGPU_DOORBELL64_IH_RING1                = 0xF5,  /* For page migration request log */
629 	AMDGPU_DOORBELL64_IH_RING2                = 0xF6,  /* For page migration translation/invalidation log */
630 
631 	/* VCN engine use 32 bits doorbell  */
632 	AMDGPU_DOORBELL64_VCN0_1                  = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
633 	AMDGPU_DOORBELL64_VCN2_3                  = 0xF9,
634 	AMDGPU_DOORBELL64_VCN4_5                  = 0xFA,
635 	AMDGPU_DOORBELL64_VCN6_7                  = 0xFB,
636 
637 	/* overlap the doorbell assignment with VCN as they are  mutually exclusive
638 	 * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
639 	 */
640 	AMDGPU_DOORBELL64_UVD_RING0_1             = 0xF8,
641 	AMDGPU_DOORBELL64_UVD_RING2_3             = 0xF9,
642 	AMDGPU_DOORBELL64_UVD_RING4_5             = 0xFA,
643 	AMDGPU_DOORBELL64_UVD_RING6_7             = 0xFB,
644 
645 	AMDGPU_DOORBELL64_VCE_RING0_1             = 0xFC,
646 	AMDGPU_DOORBELL64_VCE_RING2_3             = 0xFD,
647 	AMDGPU_DOORBELL64_VCE_RING4_5             = 0xFE,
648 	AMDGPU_DOORBELL64_VCE_RING6_7             = 0xFF,
649 
650 	AMDGPU_DOORBELL64_MAX_ASSIGNMENT          = 0xFF,
651 	AMDGPU_DOORBELL64_INVALID                 = 0xFFFF
652 } AMDGPU_DOORBELL64_ASSIGNMENT;
653 
654 /*
655  * IRQS.
656  */
657 
658 struct amdgpu_flip_work {
659 	struct delayed_work		flip_work;
660 	struct work_struct		unpin_work;
661 	struct amdgpu_device		*adev;
662 	int				crtc_id;
663 	u32				target_vblank;
664 	uint64_t			base;
665 	struct drm_pending_vblank_event *event;
666 	struct amdgpu_bo		*old_abo;
667 	struct dma_fence		*excl;
668 	unsigned			shared_count;
669 	struct dma_fence		**shared;
670 	struct dma_fence_cb		cb;
671 	bool				async;
672 };
673 
674 
675 /*
676  * CP & rings.
677  */
678 
679 struct amdgpu_ib {
680 	struct amdgpu_sa_bo		*sa_bo;
681 	uint32_t			length_dw;
682 	uint64_t			gpu_addr;
683 	uint32_t			*ptr;
684 	uint32_t			flags;
685 };
686 
687 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
688 
689 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
690 		     struct amdgpu_job **job, struct amdgpu_vm *vm);
691 int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
692 			     struct amdgpu_job **job);
693 
694 void amdgpu_job_free_resources(struct amdgpu_job *job);
695 void amdgpu_job_free(struct amdgpu_job *job);
696 int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
697 		      struct drm_sched_entity *entity, void *owner,
698 		      struct dma_fence **f);
699 
700 /*
701  * Queue manager
702  */
703 struct amdgpu_queue_mapper {
704 	int 		hw_ip;
705 	struct mutex	lock;
706 	/* protected by lock */
707 	struct amdgpu_ring *queue_map[AMDGPU_MAX_RINGS];
708 };
709 
710 struct amdgpu_queue_mgr {
711 	struct amdgpu_queue_mapper mapper[AMDGPU_MAX_IP_NUM];
712 };
713 
714 int amdgpu_queue_mgr_init(struct amdgpu_device *adev,
715 			  struct amdgpu_queue_mgr *mgr);
716 int amdgpu_queue_mgr_fini(struct amdgpu_device *adev,
717 			  struct amdgpu_queue_mgr *mgr);
718 int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
719 			 struct amdgpu_queue_mgr *mgr,
720 			 u32 hw_ip, u32 instance, u32 ring,
721 			 struct amdgpu_ring **out_ring);
722 
723 /*
724  * context related structures
725  */
726 
727 struct amdgpu_ctx_ring {
728 	uint64_t		sequence;
729 	struct dma_fence	**fences;
730 	struct drm_sched_entity	entity;
731 };
732 
733 struct amdgpu_ctx {
734 	struct kref		refcount;
735 	struct amdgpu_device    *adev;
736 	struct amdgpu_queue_mgr queue_mgr;
737 	unsigned		reset_counter;
738 	unsigned        reset_counter_query;
739 	uint32_t		vram_lost_counter;
740 	spinlock_t		ring_lock;
741 	struct dma_fence	**fences;
742 	struct amdgpu_ctx_ring	rings[AMDGPU_MAX_RINGS];
743 	bool			preamble_presented;
744 	enum drm_sched_priority init_priority;
745 	enum drm_sched_priority override_priority;
746 	struct mutex            lock;
747 	atomic_t	guilty;
748 };
749 
750 struct amdgpu_ctx_mgr {
751 	struct amdgpu_device	*adev;
752 	struct mutex		lock;
753 	/* protected by lock */
754 	struct idr		ctx_handles;
755 };
756 
757 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
758 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
759 
760 int amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
761 			      struct dma_fence *fence, uint64_t *seq);
762 struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
763 				   struct amdgpu_ring *ring, uint64_t seq);
764 void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
765 				  enum drm_sched_priority priority);
766 
767 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
768 		     struct drm_file *filp);
769 
770 int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, unsigned ring_id);
771 
772 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
773 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
774 
775 
776 /*
777  * file private structure
778  */
779 
780 struct amdgpu_fpriv {
781 	struct amdgpu_vm	vm;
782 	struct amdgpu_bo_va	*prt_va;
783 	struct amdgpu_bo_va	*csa_va;
784 	struct mutex		bo_list_lock;
785 	struct idr		bo_list_handles;
786 	struct amdgpu_ctx_mgr	ctx_mgr;
787 };
788 
789 /*
790  * residency list
791  */
792 struct amdgpu_bo_list_entry {
793 	struct amdgpu_bo		*robj;
794 	struct ttm_validate_buffer	tv;
795 	struct amdgpu_bo_va		*bo_va;
796 	uint32_t			priority;
797 	struct page			**user_pages;
798 	int				user_invalidated;
799 };
800 
801 struct amdgpu_bo_list {
802 	struct mutex lock;
803 	struct rcu_head rhead;
804 	struct kref refcount;
805 	struct amdgpu_bo *gds_obj;
806 	struct amdgpu_bo *gws_obj;
807 	struct amdgpu_bo *oa_obj;
808 	unsigned first_userptr;
809 	unsigned num_entries;
810 	struct amdgpu_bo_list_entry *array;
811 };
812 
813 struct amdgpu_bo_list *
814 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
815 void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
816 			     struct list_head *validated);
817 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
818 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
819 
820 /*
821  * GFX stuff
822  */
823 #include "clearstate_defs.h"
824 
825 struct amdgpu_rlc_funcs {
826 	void (*enter_safe_mode)(struct amdgpu_device *adev);
827 	void (*exit_safe_mode)(struct amdgpu_device *adev);
828 };
829 
830 struct amdgpu_rlc {
831 	/* for power gating */
832 	struct amdgpu_bo	*save_restore_obj;
833 	uint64_t		save_restore_gpu_addr;
834 	volatile uint32_t	*sr_ptr;
835 	const u32               *reg_list;
836 	u32                     reg_list_size;
837 	/* for clear state */
838 	struct amdgpu_bo	*clear_state_obj;
839 	uint64_t		clear_state_gpu_addr;
840 	volatile uint32_t	*cs_ptr;
841 	const struct cs_section_def   *cs_data;
842 	u32                     clear_state_size;
843 	/* for cp tables */
844 	struct amdgpu_bo	*cp_table_obj;
845 	uint64_t		cp_table_gpu_addr;
846 	volatile uint32_t	*cp_table_ptr;
847 	u32                     cp_table_size;
848 
849 	/* safe mode for updating CG/PG state */
850 	bool in_safe_mode;
851 	const struct amdgpu_rlc_funcs *funcs;
852 
853 	/* for firmware data */
854 	u32 save_and_restore_offset;
855 	u32 clear_state_descriptor_offset;
856 	u32 avail_scratch_ram_locations;
857 	u32 reg_restore_list_size;
858 	u32 reg_list_format_start;
859 	u32 reg_list_format_separate_start;
860 	u32 starting_offsets_start;
861 	u32 reg_list_format_size_bytes;
862 	u32 reg_list_size_bytes;
863 
864 	u32 *register_list_format;
865 	u32 *register_restore;
866 };
867 
868 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
869 
870 struct amdgpu_mec {
871 	struct amdgpu_bo	*hpd_eop_obj;
872 	u64			hpd_eop_gpu_addr;
873 	struct amdgpu_bo	*mec_fw_obj;
874 	u64			mec_fw_gpu_addr;
875 	u32 num_mec;
876 	u32 num_pipe_per_mec;
877 	u32 num_queue_per_pipe;
878 	void			*mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
879 
880 	/* These are the resources for which amdgpu takes ownership */
881 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
882 };
883 
884 struct amdgpu_kiq {
885 	u64			eop_gpu_addr;
886 	struct amdgpu_bo	*eop_obj;
887 	spinlock_t              ring_lock;
888 	struct amdgpu_ring	ring;
889 	struct amdgpu_irq_src	irq;
890 };
891 
892 /*
893  * GPU scratch registers structures, functions & helpers
894  */
895 struct amdgpu_scratch {
896 	unsigned		num_reg;
897 	uint32_t                reg_base;
898 	uint32_t		free_mask;
899 };
900 
901 /*
902  * GFX configurations
903  */
904 #define AMDGPU_GFX_MAX_SE 4
905 #define AMDGPU_GFX_MAX_SH_PER_SE 2
906 
907 struct amdgpu_rb_config {
908 	uint32_t rb_backend_disable;
909 	uint32_t user_rb_backend_disable;
910 	uint32_t raster_config;
911 	uint32_t raster_config_1;
912 };
913 
914 struct gb_addr_config {
915 	uint16_t pipe_interleave_size;
916 	uint8_t num_pipes;
917 	uint8_t max_compress_frags;
918 	uint8_t num_banks;
919 	uint8_t num_se;
920 	uint8_t num_rb_per_se;
921 };
922 
923 struct amdgpu_gfx_config {
924 	unsigned max_shader_engines;
925 	unsigned max_tile_pipes;
926 	unsigned max_cu_per_sh;
927 	unsigned max_sh_per_se;
928 	unsigned max_backends_per_se;
929 	unsigned max_texture_channel_caches;
930 	unsigned max_gprs;
931 	unsigned max_gs_threads;
932 	unsigned max_hw_contexts;
933 	unsigned sc_prim_fifo_size_frontend;
934 	unsigned sc_prim_fifo_size_backend;
935 	unsigned sc_hiz_tile_fifo_size;
936 	unsigned sc_earlyz_tile_fifo_size;
937 
938 	unsigned num_tile_pipes;
939 	unsigned backend_enable_mask;
940 	unsigned mem_max_burst_length_bytes;
941 	unsigned mem_row_size_in_kb;
942 	unsigned shader_engine_tile_size;
943 	unsigned num_gpus;
944 	unsigned multi_gpu_tile_size;
945 	unsigned mc_arb_ramcfg;
946 	unsigned gb_addr_config;
947 	unsigned num_rbs;
948 	unsigned gs_vgt_table_depth;
949 	unsigned gs_prim_buffer_depth;
950 
951 	uint32_t tile_mode_array[32];
952 	uint32_t macrotile_mode_array[16];
953 
954 	struct gb_addr_config gb_addr_config_fields;
955 	struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
956 
957 	/* gfx configure feature */
958 	uint32_t double_offchip_lds_buf;
959 };
960 
961 struct amdgpu_cu_info {
962 	uint32_t simd_per_cu;
963 	uint32_t max_waves_per_simd;
964 	uint32_t wave_front_size;
965 	uint32_t max_scratch_slots_per_cu;
966 	uint32_t lds_size;
967 
968 	/* total active CU number */
969 	uint32_t number;
970 	uint32_t ao_cu_mask;
971 	uint32_t ao_cu_bitmap[4][4];
972 	uint32_t bitmap[4][4];
973 };
974 
975 struct amdgpu_gfx_funcs {
976 	/* get the gpu clock counter */
977 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
978 	void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
979 	void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields);
980 	void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t thread, uint32_t start, uint32_t size, uint32_t *dst);
981 	void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
982 };
983 
984 struct amdgpu_ngg_buf {
985 	struct amdgpu_bo	*bo;
986 	uint64_t		gpu_addr;
987 	uint32_t		size;
988 	uint32_t		bo_size;
989 };
990 
991 enum {
992 	NGG_PRIM = 0,
993 	NGG_POS,
994 	NGG_CNTL,
995 	NGG_PARAM,
996 	NGG_BUF_MAX
997 };
998 
999 struct amdgpu_ngg {
1000 	struct amdgpu_ngg_buf	buf[NGG_BUF_MAX];
1001 	uint32_t		gds_reserve_addr;
1002 	uint32_t		gds_reserve_size;
1003 	bool			init;
1004 };
1005 
1006 struct amdgpu_gfx {
1007 	struct mutex			gpu_clock_mutex;
1008 	struct amdgpu_gfx_config	config;
1009 	struct amdgpu_rlc		rlc;
1010 	struct amdgpu_mec		mec;
1011 	struct amdgpu_kiq		kiq;
1012 	struct amdgpu_scratch		scratch;
1013 	const struct firmware		*me_fw;	/* ME firmware */
1014 	uint32_t			me_fw_version;
1015 	const struct firmware		*pfp_fw; /* PFP firmware */
1016 	uint32_t			pfp_fw_version;
1017 	const struct firmware		*ce_fw;	/* CE firmware */
1018 	uint32_t			ce_fw_version;
1019 	const struct firmware		*rlc_fw; /* RLC firmware */
1020 	uint32_t			rlc_fw_version;
1021 	const struct firmware		*mec_fw; /* MEC firmware */
1022 	uint32_t			mec_fw_version;
1023 	const struct firmware		*mec2_fw; /* MEC2 firmware */
1024 	uint32_t			mec2_fw_version;
1025 	uint32_t			me_feature_version;
1026 	uint32_t			ce_feature_version;
1027 	uint32_t			pfp_feature_version;
1028 	uint32_t			rlc_feature_version;
1029 	uint32_t			mec_feature_version;
1030 	uint32_t			mec2_feature_version;
1031 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
1032 	unsigned			num_gfx_rings;
1033 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
1034 	unsigned			num_compute_rings;
1035 	struct amdgpu_irq_src		eop_irq;
1036 	struct amdgpu_irq_src		priv_reg_irq;
1037 	struct amdgpu_irq_src		priv_inst_irq;
1038 	/* gfx status */
1039 	uint32_t			gfx_current_status;
1040 	/* ce ram size*/
1041 	unsigned			ce_ram_size;
1042 	struct amdgpu_cu_info		cu_info;
1043 	const struct amdgpu_gfx_funcs	*funcs;
1044 
1045 	/* reset mask */
1046 	uint32_t                        grbm_soft_reset;
1047 	uint32_t                        srbm_soft_reset;
1048 	/* s3/s4 mask */
1049 	bool                            in_suspend;
1050 	/* NGG */
1051 	struct amdgpu_ngg		ngg;
1052 
1053 	/* pipe reservation */
1054 	struct mutex			pipe_reserve_mutex;
1055 	DECLARE_BITMAP			(pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
1056 };
1057 
1058 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
1059 		  unsigned size, struct amdgpu_ib *ib);
1060 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
1061 		    struct dma_fence *f);
1062 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
1063 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
1064 		       struct dma_fence **f);
1065 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
1066 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
1067 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
1068 
1069 /*
1070  * CS.
1071  */
1072 struct amdgpu_cs_chunk {
1073 	uint32_t		chunk_id;
1074 	uint32_t		length_dw;
1075 	void			*kdata;
1076 };
1077 
1078 struct amdgpu_cs_parser {
1079 	struct amdgpu_device	*adev;
1080 	struct drm_file		*filp;
1081 	struct amdgpu_ctx	*ctx;
1082 
1083 	/* chunks */
1084 	unsigned		nchunks;
1085 	struct amdgpu_cs_chunk	*chunks;
1086 
1087 	/* scheduler job object */
1088 	struct amdgpu_job	*job;
1089 
1090 	/* buffer objects */
1091 	struct ww_acquire_ctx		ticket;
1092 	struct amdgpu_bo_list		*bo_list;
1093 	struct amdgpu_mn		*mn;
1094 	struct amdgpu_bo_list_entry	vm_pd;
1095 	struct list_head		validated;
1096 	struct dma_fence		*fence;
1097 	uint64_t			bytes_moved_threshold;
1098 	uint64_t			bytes_moved_vis_threshold;
1099 	uint64_t			bytes_moved;
1100 	uint64_t			bytes_moved_vis;
1101 	struct amdgpu_bo_list_entry	*evictable;
1102 
1103 	/* user fence */
1104 	struct amdgpu_bo_list_entry	uf_entry;
1105 
1106 	unsigned num_post_dep_syncobjs;
1107 	struct drm_syncobj **post_dep_syncobjs;
1108 };
1109 
1110 #define AMDGPU_PREAMBLE_IB_PRESENT          (1 << 0) /* bit set means command submit involves a preamble IB */
1111 #define AMDGPU_PREAMBLE_IB_PRESENT_FIRST    (1 << 1) /* bit set means preamble IB is first presented in belonging context */
1112 #define AMDGPU_HAVE_CTX_SWITCH              (1 << 2) /* bit set means context switch occured */
1113 
1114 struct amdgpu_job {
1115 	struct drm_sched_job    base;
1116 	struct amdgpu_device	*adev;
1117 	struct amdgpu_vm	*vm;
1118 	struct amdgpu_ring	*ring;
1119 	struct amdgpu_sync	sync;
1120 	struct amdgpu_sync	sched_sync;
1121 	struct amdgpu_ib	*ibs;
1122 	struct dma_fence	*fence; /* the hw fence */
1123 	uint32_t		preamble_status;
1124 	uint32_t		num_ibs;
1125 	void			*owner;
1126 	uint64_t		fence_ctx; /* the fence_context this job uses */
1127 	bool                    vm_needs_flush;
1128 	unsigned		vmid;
1129 	uint64_t		vm_pd_addr;
1130 	uint32_t		gds_base, gds_size;
1131 	uint32_t		gws_base, gws_size;
1132 	uint32_t		oa_base, oa_size;
1133 	uint32_t		vram_lost_counter;
1134 
1135 	/* user fence handling */
1136 	uint64_t		uf_addr;
1137 	uint64_t		uf_sequence;
1138 
1139 };
1140 #define to_amdgpu_job(sched_job)		\
1141 		container_of((sched_job), struct amdgpu_job, base)
1142 
1143 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
1144 				      uint32_t ib_idx, int idx)
1145 {
1146 	return p->job->ibs[ib_idx].ptr[idx];
1147 }
1148 
1149 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
1150 				       uint32_t ib_idx, int idx,
1151 				       uint32_t value)
1152 {
1153 	p->job->ibs[ib_idx].ptr[idx] = value;
1154 }
1155 
1156 /*
1157  * Writeback
1158  */
1159 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
1160 
1161 struct amdgpu_wb {
1162 	struct amdgpu_bo	*wb_obj;
1163 	volatile uint32_t	*wb;
1164 	uint64_t		gpu_addr;
1165 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
1166 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1167 };
1168 
1169 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
1170 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
1171 
1172 void amdgpu_device_get_pcie_info(struct amdgpu_device *adev);
1173 
1174 /*
1175  * SDMA
1176  */
1177 struct amdgpu_sdma_instance {
1178 	/* SDMA firmware */
1179 	const struct firmware	*fw;
1180 	uint32_t		fw_version;
1181 	uint32_t		feature_version;
1182 
1183 	struct amdgpu_ring	ring;
1184 	bool			burst_nop;
1185 };
1186 
1187 struct amdgpu_sdma {
1188 	struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
1189 #ifdef CONFIG_DRM_AMDGPU_SI
1190 	//SI DMA has a difference trap irq number for the second engine
1191 	struct amdgpu_irq_src	trap_irq_1;
1192 #endif
1193 	struct amdgpu_irq_src	trap_irq;
1194 	struct amdgpu_irq_src	illegal_inst_irq;
1195 	int			num_instances;
1196 	uint32_t                    srbm_soft_reset;
1197 };
1198 
1199 /*
1200  * Firmware
1201  */
1202 enum amdgpu_firmware_load_type {
1203 	AMDGPU_FW_LOAD_DIRECT = 0,
1204 	AMDGPU_FW_LOAD_SMU,
1205 	AMDGPU_FW_LOAD_PSP,
1206 };
1207 
1208 struct amdgpu_firmware {
1209 	struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1210 	enum amdgpu_firmware_load_type load_type;
1211 	struct amdgpu_bo *fw_buf;
1212 	unsigned int fw_size;
1213 	unsigned int max_ucodes;
1214 	/* firmwares are loaded by psp instead of smu from vega10 */
1215 	const struct amdgpu_psp_funcs *funcs;
1216 	struct amdgpu_bo *rbuf;
1217 	struct mutex mutex;
1218 
1219 	/* gpu info firmware data pointer */
1220 	const struct firmware *gpu_info_fw;
1221 
1222 	void *fw_buf_ptr;
1223 	uint64_t fw_buf_mc;
1224 };
1225 
1226 /*
1227  * Benchmarking
1228  */
1229 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1230 
1231 
1232 /*
1233  * Testing
1234  */
1235 void amdgpu_test_moves(struct amdgpu_device *adev);
1236 
1237 
1238 /*
1239  * amdgpu smumgr functions
1240  */
1241 struct amdgpu_smumgr_funcs {
1242 	int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1243 	int (*request_smu_load_fw)(struct amdgpu_device *adev);
1244 	int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1245 };
1246 
1247 /*
1248  * amdgpu smumgr
1249  */
1250 struct amdgpu_smumgr {
1251 	struct amdgpu_bo *toc_buf;
1252 	struct amdgpu_bo *smu_buf;
1253 	/* asic priv smu data */
1254 	void *priv;
1255 	spinlock_t smu_lock;
1256 	/* smumgr functions */
1257 	const struct amdgpu_smumgr_funcs *smumgr_funcs;
1258 	/* ucode loading complete flag */
1259 	uint32_t fw_flags;
1260 };
1261 
1262 /*
1263  * ASIC specific register table accessible by UMD
1264  */
1265 struct amdgpu_allowed_register_entry {
1266 	uint32_t reg_offset;
1267 	bool grbm_indexed;
1268 };
1269 
1270 /*
1271  * ASIC specific functions.
1272  */
1273 struct amdgpu_asic_funcs {
1274 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
1275 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
1276 				   u8 *bios, u32 length_bytes);
1277 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1278 			     u32 sh_num, u32 reg_offset, u32 *value);
1279 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1280 	int (*reset)(struct amdgpu_device *adev);
1281 	/* get the reference clock */
1282 	u32 (*get_xclk)(struct amdgpu_device *adev);
1283 	/* MM block clocks */
1284 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1285 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1286 	/* static power management */
1287 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
1288 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
1289 	/* get config memsize register */
1290 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
1291 };
1292 
1293 /*
1294  * IOCTL.
1295  */
1296 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1297 			    struct drm_file *filp);
1298 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1299 				struct drm_file *filp);
1300 
1301 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1302 			  struct drm_file *filp);
1303 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1304 			struct drm_file *filp);
1305 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1306 			  struct drm_file *filp);
1307 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1308 			      struct drm_file *filp);
1309 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1310 			  struct drm_file *filp);
1311 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1312 			struct drm_file *filp);
1313 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1314 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
1315 				    struct drm_file *filp);
1316 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1317 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
1318 				struct drm_file *filp);
1319 
1320 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1321 				struct drm_file *filp);
1322 
1323 /* VRAM scratch page for HDP bug, default vram page */
1324 struct amdgpu_vram_scratch {
1325 	struct amdgpu_bo		*robj;
1326 	volatile uint32_t		*ptr;
1327 	u64				gpu_addr;
1328 };
1329 
1330 /*
1331  * ACPI
1332  */
1333 struct amdgpu_atif_notification_cfg {
1334 	bool enabled;
1335 	int command_code;
1336 };
1337 
1338 struct amdgpu_atif_notifications {
1339 	bool display_switch;
1340 	bool expansion_mode_change;
1341 	bool thermal_state;
1342 	bool forced_power_state;
1343 	bool system_power_state;
1344 	bool display_conf_change;
1345 	bool px_gfx_switch;
1346 	bool brightness_change;
1347 	bool dgpu_display_event;
1348 };
1349 
1350 struct amdgpu_atif_functions {
1351 	bool system_params;
1352 	bool sbios_requests;
1353 	bool select_active_disp;
1354 	bool lid_state;
1355 	bool get_tv_standard;
1356 	bool set_tv_standard;
1357 	bool get_panel_expansion_mode;
1358 	bool set_panel_expansion_mode;
1359 	bool temperature_change;
1360 	bool graphics_device_types;
1361 };
1362 
1363 struct amdgpu_atif {
1364 	struct amdgpu_atif_notifications notifications;
1365 	struct amdgpu_atif_functions functions;
1366 	struct amdgpu_atif_notification_cfg notification_cfg;
1367 	struct amdgpu_encoder *encoder_for_bl;
1368 };
1369 
1370 struct amdgpu_atcs_functions {
1371 	bool get_ext_state;
1372 	bool pcie_perf_req;
1373 	bool pcie_dev_rdy;
1374 	bool pcie_bus_width;
1375 };
1376 
1377 struct amdgpu_atcs {
1378 	struct amdgpu_atcs_functions functions;
1379 };
1380 
1381 /*
1382  * Firmware VRAM reservation
1383  */
1384 struct amdgpu_fw_vram_usage {
1385 	u64 start_offset;
1386 	u64 size;
1387 	struct amdgpu_bo *reserved_bo;
1388 	void *va;
1389 };
1390 
1391 /*
1392  * CGS
1393  */
1394 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1395 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
1396 
1397 /*
1398  * Core structure, functions and helpers.
1399  */
1400 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1401 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1402 
1403 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1404 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1405 
1406 
1407 /*
1408  * amdgpu nbio functions
1409  *
1410  */
1411 struct nbio_hdp_flush_reg {
1412 	u32 ref_and_mask_cp0;
1413 	u32 ref_and_mask_cp1;
1414 	u32 ref_and_mask_cp2;
1415 	u32 ref_and_mask_cp3;
1416 	u32 ref_and_mask_cp4;
1417 	u32 ref_and_mask_cp5;
1418 	u32 ref_and_mask_cp6;
1419 	u32 ref_and_mask_cp7;
1420 	u32 ref_and_mask_cp8;
1421 	u32 ref_and_mask_cp9;
1422 	u32 ref_and_mask_sdma0;
1423 	u32 ref_and_mask_sdma1;
1424 };
1425 
1426 struct amdgpu_nbio_funcs {
1427 	const struct nbio_hdp_flush_reg *hdp_flush_reg;
1428 	u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
1429 	u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
1430 	u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
1431 	u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
1432 	u32 (*get_rev_id)(struct amdgpu_device *adev);
1433 	void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
1434 	void (*hdp_flush)(struct amdgpu_device *adev);
1435 	u32 (*get_memsize)(struct amdgpu_device *adev);
1436 	void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
1437 				    bool use_doorbell, int doorbell_index);
1438 	void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
1439 					 bool enable);
1440 	void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
1441 						  bool enable);
1442 	void (*ih_doorbell_range)(struct amdgpu_device *adev,
1443 				  bool use_doorbell, int doorbell_index);
1444 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
1445 						 bool enable);
1446 	void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
1447 						bool enable);
1448 	void (*get_clockgating_state)(struct amdgpu_device *adev,
1449 				      u32 *flags);
1450 	void (*ih_control)(struct amdgpu_device *adev);
1451 	void (*init_registers)(struct amdgpu_device *adev);
1452 	void (*detect_hw_virt)(struct amdgpu_device *adev);
1453 };
1454 
1455 
1456 /* Define the HW IP blocks will be used in driver , add more if necessary */
1457 enum amd_hw_ip_block_type {
1458 	GC_HWIP = 1,
1459 	HDP_HWIP,
1460 	SDMA0_HWIP,
1461 	SDMA1_HWIP,
1462 	MMHUB_HWIP,
1463 	ATHUB_HWIP,
1464 	NBIO_HWIP,
1465 	MP0_HWIP,
1466 	UVD_HWIP,
1467 	VCN_HWIP = UVD_HWIP,
1468 	VCE_HWIP,
1469 	DF_HWIP,
1470 	DCE_HWIP,
1471 	OSSSYS_HWIP,
1472 	SMUIO_HWIP,
1473 	PWR_HWIP,
1474 	NBIF_HWIP,
1475 	MAX_HWIP
1476 };
1477 
1478 #define HWIP_MAX_INSTANCE	6
1479 
1480 struct amd_powerplay {
1481 	struct cgs_device *cgs_device;
1482 	void *pp_handle;
1483 	const struct amd_ip_funcs *ip_funcs;
1484 	const struct amd_pm_funcs *pp_funcs;
1485 };
1486 
1487 #define AMDGPU_RESET_MAGIC_NUM 64
1488 struct amdgpu_device {
1489 	struct device			*dev;
1490 	struct drm_device		*ddev;
1491 	struct pci_dev			*pdev;
1492 
1493 #ifdef CONFIG_DRM_AMD_ACP
1494 	struct amdgpu_acp		acp;
1495 #endif
1496 
1497 	/* ASIC */
1498 	enum amd_asic_type		asic_type;
1499 	uint32_t			family;
1500 	uint32_t			rev_id;
1501 	uint32_t			external_rev_id;
1502 	unsigned long			flags;
1503 	int				usec_timeout;
1504 	const struct amdgpu_asic_funcs	*asic_funcs;
1505 	bool				shutdown;
1506 	bool				need_dma32;
1507 	bool				accel_working;
1508 	struct work_struct		reset_work;
1509 	struct notifier_block		acpi_nb;
1510 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
1511 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1512 	unsigned			debugfs_count;
1513 #if defined(CONFIG_DEBUG_FS)
1514 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1515 #endif
1516 	struct amdgpu_atif		atif;
1517 	struct amdgpu_atcs		atcs;
1518 	struct mutex			srbm_mutex;
1519 	/* GRBM index mutex. Protects concurrent access to GRBM index */
1520 	struct mutex                    grbm_idx_mutex;
1521 	struct dev_pm_domain		vga_pm_domain;
1522 	bool				have_disp_power_ref;
1523 
1524 	/* BIOS */
1525 	bool				is_atom_fw;
1526 	uint8_t				*bios;
1527 	uint32_t			bios_size;
1528 	struct amdgpu_bo		*stolen_vga_memory;
1529 	uint32_t			bios_scratch_reg_offset;
1530 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1531 
1532 	/* Register/doorbell mmio */
1533 	resource_size_t			rmmio_base;
1534 	resource_size_t			rmmio_size;
1535 	void __iomem			*rmmio;
1536 	/* protects concurrent MM_INDEX/DATA based register access */
1537 	spinlock_t mmio_idx_lock;
1538 	/* protects concurrent SMC based register access */
1539 	spinlock_t smc_idx_lock;
1540 	amdgpu_rreg_t			smc_rreg;
1541 	amdgpu_wreg_t			smc_wreg;
1542 	/* protects concurrent PCIE register access */
1543 	spinlock_t pcie_idx_lock;
1544 	amdgpu_rreg_t			pcie_rreg;
1545 	amdgpu_wreg_t			pcie_wreg;
1546 	amdgpu_rreg_t			pciep_rreg;
1547 	amdgpu_wreg_t			pciep_wreg;
1548 	/* protects concurrent UVD register access */
1549 	spinlock_t uvd_ctx_idx_lock;
1550 	amdgpu_rreg_t			uvd_ctx_rreg;
1551 	amdgpu_wreg_t			uvd_ctx_wreg;
1552 	/* protects concurrent DIDT register access */
1553 	spinlock_t didt_idx_lock;
1554 	amdgpu_rreg_t			didt_rreg;
1555 	amdgpu_wreg_t			didt_wreg;
1556 	/* protects concurrent gc_cac register access */
1557 	spinlock_t gc_cac_idx_lock;
1558 	amdgpu_rreg_t			gc_cac_rreg;
1559 	amdgpu_wreg_t			gc_cac_wreg;
1560 	/* protects concurrent se_cac register access */
1561 	spinlock_t se_cac_idx_lock;
1562 	amdgpu_rreg_t			se_cac_rreg;
1563 	amdgpu_wreg_t			se_cac_wreg;
1564 	/* protects concurrent ENDPOINT (audio) register access */
1565 	spinlock_t audio_endpt_idx_lock;
1566 	amdgpu_block_rreg_t		audio_endpt_rreg;
1567 	amdgpu_block_wreg_t		audio_endpt_wreg;
1568 	void __iomem                    *rio_mem;
1569 	resource_size_t			rio_mem_size;
1570 	struct amdgpu_doorbell		doorbell;
1571 
1572 	/* clock/pll info */
1573 	struct amdgpu_clock            clock;
1574 
1575 	/* MC */
1576 	struct amdgpu_mc		mc;
1577 	struct amdgpu_gart		gart;
1578 	struct amdgpu_dummy_page	dummy_page;
1579 	struct amdgpu_vm_manager	vm_manager;
1580 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
1581 
1582 	/* memory management */
1583 	struct amdgpu_mman		mman;
1584 	struct amdgpu_vram_scratch	vram_scratch;
1585 	struct amdgpu_wb		wb;
1586 	atomic64_t			num_bytes_moved;
1587 	atomic64_t			num_evictions;
1588 	atomic64_t			num_vram_cpu_page_faults;
1589 	atomic_t			gpu_reset_counter;
1590 	atomic_t			vram_lost_counter;
1591 
1592 	/* data for buffer migration throttling */
1593 	struct {
1594 		spinlock_t		lock;
1595 		s64			last_update_us;
1596 		s64			accum_us; /* accumulated microseconds */
1597 		s64			accum_us_vis; /* for visible VRAM */
1598 		u32			log2_max_MBps;
1599 	} mm_stats;
1600 
1601 	/* display */
1602 	bool				enable_virtual_display;
1603 	struct amdgpu_mode_info		mode_info;
1604 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
1605 	struct work_struct		hotplug_work;
1606 	struct amdgpu_irq_src		crtc_irq;
1607 	struct amdgpu_irq_src		pageflip_irq;
1608 	struct amdgpu_irq_src		hpd_irq;
1609 
1610 	/* rings */
1611 	u64				fence_context;
1612 	unsigned			num_rings;
1613 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
1614 	bool				ib_pool_ready;
1615 	struct amdgpu_sa_manager	ring_tmp_bo;
1616 
1617 	/* interrupts */
1618 	struct amdgpu_irq		irq;
1619 
1620 	/* powerplay */
1621 	struct amd_powerplay		powerplay;
1622 	bool				pp_force_state_enabled;
1623 
1624 	/* dpm */
1625 	struct amdgpu_pm		pm;
1626 	u32				cg_flags;
1627 	u32				pg_flags;
1628 
1629 	/* amdgpu smumgr */
1630 	struct amdgpu_smumgr smu;
1631 
1632 	/* gfx */
1633 	struct amdgpu_gfx		gfx;
1634 
1635 	/* sdma */
1636 	struct amdgpu_sdma		sdma;
1637 
1638 	/* uvd */
1639 	struct amdgpu_uvd		uvd;
1640 
1641 	/* vce */
1642 	struct amdgpu_vce		vce;
1643 
1644 	/* vcn */
1645 	struct amdgpu_vcn		vcn;
1646 
1647 	/* firmwares */
1648 	struct amdgpu_firmware		firmware;
1649 
1650 	/* PSP */
1651 	struct psp_context		psp;
1652 
1653 	/* GDS */
1654 	struct amdgpu_gds		gds;
1655 
1656 	/* display related functionality */
1657 	struct amdgpu_display_manager dm;
1658 
1659 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
1660 	int				num_ip_blocks;
1661 	struct mutex	mn_lock;
1662 	DECLARE_HASHTABLE(mn_hash, 7);
1663 
1664 	/* tracking pinned memory */
1665 	u64 vram_pin_size;
1666 	u64 invisible_pin_size;
1667 	u64 gart_pin_size;
1668 
1669 	/* amdkfd interface */
1670 	struct kfd_dev          *kfd;
1671 
1672 	/* soc15 register offset based on ip, instance and  segment */
1673 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1674 
1675 	const struct amdgpu_nbio_funcs	*nbio_funcs;
1676 
1677 	/* delayed work_func for deferring clockgating during resume */
1678 	struct delayed_work     late_init_work;
1679 
1680 	struct amdgpu_virt	virt;
1681 	/* firmware VRAM reservation */
1682 	struct amdgpu_fw_vram_usage fw_vram_usage;
1683 
1684 	/* link all shadow bo */
1685 	struct list_head                shadow_list;
1686 	struct mutex                    shadow_list_lock;
1687 	/* keep an lru list of rings by HW IP */
1688 	struct list_head		ring_lru_list;
1689 	spinlock_t			ring_lru_list_lock;
1690 
1691 	/* record hw reset is performed */
1692 	bool has_hw_reset;
1693 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
1694 
1695 	/* record last mm index being written through WREG32*/
1696 	unsigned long last_mm_index;
1697 	bool                            in_gpu_reset;
1698 	struct mutex  lock_reset;
1699 };
1700 
1701 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1702 {
1703 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1704 }
1705 
1706 int amdgpu_device_init(struct amdgpu_device *adev,
1707 		       struct drm_device *ddev,
1708 		       struct pci_dev *pdev,
1709 		       uint32_t flags);
1710 void amdgpu_device_fini(struct amdgpu_device *adev);
1711 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1712 
1713 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1714 			uint32_t acc_flags);
1715 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1716 		    uint32_t acc_flags);
1717 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1718 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1719 
1720 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
1721 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
1722 u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
1723 void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
1724 
1725 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1726 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1727 
1728 /*
1729  * Registers read & write functions.
1730  */
1731 
1732 #define AMDGPU_REGS_IDX       (1<<0)
1733 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1734 
1735 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1736 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1737 
1738 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1739 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1740 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1741 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1742 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1743 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1744 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1745 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1746 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1747 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1748 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1749 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1750 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1751 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1752 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1753 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1754 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1755 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1756 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1757 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1758 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1759 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1760 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1761 #define WREG32_P(reg, val, mask)				\
1762 	do {							\
1763 		uint32_t tmp_ = RREG32(reg);			\
1764 		tmp_ &= (mask);					\
1765 		tmp_ |= ((val) & ~(mask));			\
1766 		WREG32(reg, tmp_);				\
1767 	} while (0)
1768 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1769 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1770 #define WREG32_PLL_P(reg, val, mask)				\
1771 	do {							\
1772 		uint32_t tmp_ = RREG32_PLL(reg);		\
1773 		tmp_ &= (mask);					\
1774 		tmp_ |= ((val) & ~(mask));			\
1775 		WREG32_PLL(reg, tmp_);				\
1776 	} while (0)
1777 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1778 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1779 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1780 
1781 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
1782 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
1783 #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
1784 #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
1785 
1786 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1787 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1788 
1789 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1790 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1791 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1792 
1793 #define REG_GET_FIELD(value, reg, field)				\
1794 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1795 
1796 #define WREG32_FIELD(reg, field, val)	\
1797 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1798 
1799 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1800 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1801 
1802 /*
1803  * BIOS helpers.
1804  */
1805 #define RBIOS8(i) (adev->bios[i])
1806 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1807 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1808 
1809 static inline struct amdgpu_sdma_instance *
1810 amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
1811 {
1812 	struct amdgpu_device *adev = ring->adev;
1813 	int i;
1814 
1815 	for (i = 0; i < adev->sdma.num_instances; i++)
1816 		if (&adev->sdma.instance[i].ring == ring)
1817 			break;
1818 
1819 	if (i < AMDGPU_MAX_SDMA_INSTANCES)
1820 		return &adev->sdma.instance[i];
1821 	else
1822 		return NULL;
1823 }
1824 
1825 /*
1826  * ASICs macro.
1827  */
1828 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1829 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1830 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1831 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1832 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1833 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1834 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1835 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1836 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1837 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1838 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1839 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1840 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
1841 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
1842 #define amdgpu_gart_get_vm_pde(adev, level, dst, flags) (adev)->gart.gart_funcs->get_vm_pde((adev), (level), (dst), (flags))
1843 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
1844 #define amdgpu_vm_write_pte(adev, ib, pe, value, count, incr) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (value), (count), (incr)))
1845 #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)))
1846 #define amdgpu_vm_get_pte_flags(adev, flags) (adev)->gart.gart_funcs->get_vm_pte_flags((adev),(flags))
1847 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
1848 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
1849 #define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t))
1850 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
1851 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
1852 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
1853 #define amdgpu_ring_emit_ib(r, ib, vmid, c) (r)->funcs->emit_ib((r), (ib), (vmid), (c))
1854 #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r))
1855 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
1856 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
1857 #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))
1858 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
1859 #define amdgpu_ring_emit_hdp_invalidate(r) (r)->funcs->emit_hdp_invalidate((r))
1860 #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
1861 #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
1862 #define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d))
1863 #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
1864 #define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b))
1865 #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
1866 #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
1867 #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
1868 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
1869 #define amdgpu_ih_prescreen_iv(adev) (adev)->irq.ih_funcs->prescreen_iv((adev))
1870 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
1871 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
1872 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
1873 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
1874 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
1875 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
1876 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
1877 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
1878 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
1879 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
1880 #define amdgpu_display_page_flip(adev, crtc, base, async) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base), (async))
1881 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
1882 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
1883 #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))
1884 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b))
1885 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
1886 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
1887 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
1888 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
1889 #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
1890 
1891 /* Common functions */
1892 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1893 			      struct amdgpu_job* job, bool force);
1894 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1895 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1896 void amdgpu_update_display_priority(struct amdgpu_device *adev);
1897 
1898 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1899 				  u64 num_vis_bytes);
1900 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
1901 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
1902 void amdgpu_device_vram_location(struct amdgpu_device *adev,
1903 				 struct amdgpu_mc *mc, u64 base);
1904 void amdgpu_device_gart_location(struct amdgpu_device *adev,
1905 				 struct amdgpu_mc *mc);
1906 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1907 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
1908 int amdgpu_ttm_init(struct amdgpu_device *adev);
1909 void amdgpu_ttm_fini(struct amdgpu_device *adev);
1910 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1911 					     const u32 *registers,
1912 					     const u32 array_size);
1913 
1914 bool amdgpu_device_is_px(struct drm_device *dev);
1915 /* atpx handler */
1916 #if defined(CONFIG_VGA_SWITCHEROO)
1917 void amdgpu_register_atpx_handler(void);
1918 void amdgpu_unregister_atpx_handler(void);
1919 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1920 bool amdgpu_is_atpx_hybrid(void);
1921 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1922 bool amdgpu_has_atpx(void);
1923 #else
1924 static inline void amdgpu_register_atpx_handler(void) {}
1925 static inline void amdgpu_unregister_atpx_handler(void) {}
1926 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1927 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1928 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1929 static inline bool amdgpu_has_atpx(void) { return false; }
1930 #endif
1931 
1932 /*
1933  * KMS
1934  */
1935 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1936 extern const int amdgpu_max_kms_ioctl;
1937 
1938 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1939 void amdgpu_driver_unload_kms(struct drm_device *dev);
1940 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1941 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1942 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1943 				 struct drm_file *file_priv);
1944 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1945 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1946 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1947 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1948 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1949 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1950 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1951 			     unsigned long arg);
1952 
1953 /*
1954  * functions used by amdgpu_encoder.c
1955  */
1956 struct amdgpu_afmt_acr {
1957 	u32 clock;
1958 
1959 	int n_32khz;
1960 	int cts_32khz;
1961 
1962 	int n_44_1khz;
1963 	int cts_44_1khz;
1964 
1965 	int n_48khz;
1966 	int cts_48khz;
1967 
1968 };
1969 
1970 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1971 
1972 /* amdgpu_acpi.c */
1973 #if defined(CONFIG_ACPI)
1974 int amdgpu_acpi_init(struct amdgpu_device *adev);
1975 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1976 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1977 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1978 						u8 perf_req, bool advertise);
1979 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1980 #else
1981 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1982 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1983 #endif
1984 
1985 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1986 			   uint64_t addr, struct amdgpu_bo **bo,
1987 			   struct amdgpu_bo_va_mapping **mapping);
1988 
1989 #if defined(CONFIG_DRM_AMD_DC)
1990 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1991 #else
1992 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1993 #endif
1994 
1995 #include "amdgpu_object.h"
1996 #endif
1997