xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 129ab0d2)
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 #ifdef pr_fmt
32 #undef pr_fmt
33 #endif
34 
35 #define pr_fmt(fmt) "amdgpu: " fmt
36 
37 #ifdef dev_fmt
38 #undef dev_fmt
39 #endif
40 
41 #define dev_fmt(fmt) "amdgpu: " fmt
42 
43 #include "amdgpu_ctx.h"
44 
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53 #include <linux/aer.h>
54 
55 #include <drm/ttm/ttm_bo_api.h>
56 #include <drm/ttm/ttm_bo_driver.h>
57 #include <drm/ttm/ttm_placement.h>
58 #include <drm/ttm/ttm_execbuf_util.h>
59 
60 #include <drm/amdgpu_drm.h>
61 #include <drm/drm_gem.h>
62 #include <drm/drm_ioctl.h>
63 #include <drm/gpu_scheduler.h>
64 
65 #include <kgd_kfd_interface.h>
66 #include "dm_pp_interface.h"
67 #include "kgd_pp_interface.h"
68 
69 #include "amd_shared.h"
70 #include "amdgpu_mode.h"
71 #include "amdgpu_ih.h"
72 #include "amdgpu_irq.h"
73 #include "amdgpu_ucode.h"
74 #include "amdgpu_ttm.h"
75 #include "amdgpu_psp.h"
76 #include "amdgpu_gds.h"
77 #include "amdgpu_sync.h"
78 #include "amdgpu_ring.h"
79 #include "amdgpu_vm.h"
80 #include "amdgpu_dpm.h"
81 #include "amdgpu_acp.h"
82 #include "amdgpu_uvd.h"
83 #include "amdgpu_vce.h"
84 #include "amdgpu_vcn.h"
85 #include "amdgpu_jpeg.h"
86 #include "amdgpu_mn.h"
87 #include "amdgpu_gmc.h"
88 #include "amdgpu_gfx.h"
89 #include "amdgpu_sdma.h"
90 #include "amdgpu_nbio.h"
91 #include "amdgpu_hdp.h"
92 #include "amdgpu_dm.h"
93 #include "amdgpu_virt.h"
94 #include "amdgpu_csa.h"
95 #include "amdgpu_gart.h"
96 #include "amdgpu_debugfs.h"
97 #include "amdgpu_job.h"
98 #include "amdgpu_bo_list.h"
99 #include "amdgpu_gem.h"
100 #include "amdgpu_doorbell.h"
101 #include "amdgpu_amdkfd.h"
102 #include "amdgpu_smu.h"
103 #include "amdgpu_discovery.h"
104 #include "amdgpu_mes.h"
105 #include "amdgpu_umc.h"
106 #include "amdgpu_mmhub.h"
107 #include "amdgpu_gfxhub.h"
108 #include "amdgpu_df.h"
109 #include "amdgpu_smuio.h"
110 #include "amdgpu_fdinfo.h"
111 #include "amdgpu_mca.h"
112 
113 #define MAX_GPU_INSTANCE		16
114 
115 struct amdgpu_gpu_instance
116 {
117 	struct amdgpu_device		*adev;
118 	int				mgpu_fan_enabled;
119 };
120 
121 struct amdgpu_mgpu_info
122 {
123 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
124 	struct mutex			mutex;
125 	uint32_t			num_gpu;
126 	uint32_t			num_dgpu;
127 	uint32_t			num_apu;
128 
129 	/* delayed reset_func for XGMI configuration if necessary */
130 	struct delayed_work		delayed_reset_work;
131 	bool				pending_reset;
132 };
133 
134 enum amdgpu_ss {
135 	AMDGPU_SS_DRV_LOAD,
136 	AMDGPU_SS_DEV_D0,
137 	AMDGPU_SS_DEV_D3,
138 	AMDGPU_SS_DRV_UNLOAD
139 };
140 
141 struct amdgpu_watchdog_timer
142 {
143 	bool timeout_fatal_disable;
144 	uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
145 };
146 
147 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
148 
149 /*
150  * Modules parameters.
151  */
152 extern int amdgpu_modeset;
153 extern int amdgpu_vram_limit;
154 extern int amdgpu_vis_vram_limit;
155 extern int amdgpu_gart_size;
156 extern int amdgpu_gtt_size;
157 extern int amdgpu_moverate;
158 extern int amdgpu_benchmarking;
159 extern int amdgpu_testing;
160 extern int amdgpu_audio;
161 extern int amdgpu_disp_priority;
162 extern int amdgpu_hw_i2c;
163 extern int amdgpu_pcie_gen2;
164 extern int amdgpu_msi;
165 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
166 extern int amdgpu_dpm;
167 extern int amdgpu_fw_load_type;
168 extern int amdgpu_aspm;
169 extern int amdgpu_runtime_pm;
170 extern uint amdgpu_ip_block_mask;
171 extern int amdgpu_bapm;
172 extern int amdgpu_deep_color;
173 extern int amdgpu_vm_size;
174 extern int amdgpu_vm_block_size;
175 extern int amdgpu_vm_fragment_size;
176 extern int amdgpu_vm_fault_stop;
177 extern int amdgpu_vm_debug;
178 extern int amdgpu_vm_update_mode;
179 extern int amdgpu_exp_hw_support;
180 extern int amdgpu_dc;
181 extern int amdgpu_sched_jobs;
182 extern int amdgpu_sched_hw_submission;
183 extern uint amdgpu_pcie_gen_cap;
184 extern uint amdgpu_pcie_lane_cap;
185 extern uint amdgpu_cg_mask;
186 extern uint amdgpu_pg_mask;
187 extern uint amdgpu_sdma_phase_quantum;
188 extern char *amdgpu_disable_cu;
189 extern char *amdgpu_virtual_display;
190 extern uint amdgpu_pp_feature_mask;
191 extern uint amdgpu_force_long_training;
192 extern int amdgpu_job_hang_limit;
193 extern int amdgpu_lbpw;
194 extern int amdgpu_compute_multipipe;
195 extern int amdgpu_gpu_recovery;
196 extern int amdgpu_emu_mode;
197 extern uint amdgpu_smu_memory_pool_size;
198 extern int amdgpu_smu_pptable_id;
199 extern uint amdgpu_dc_feature_mask;
200 extern uint amdgpu_freesync_vid_mode;
201 extern uint amdgpu_dc_debug_mask;
202 extern uint amdgpu_dm_abm_level;
203 extern int amdgpu_backlight;
204 extern struct amdgpu_mgpu_info mgpu_info;
205 extern int amdgpu_ras_enable;
206 extern uint amdgpu_ras_mask;
207 extern int amdgpu_bad_page_threshold;
208 extern bool amdgpu_ignore_bad_page_threshold;
209 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
210 extern int amdgpu_async_gfx_ring;
211 extern int amdgpu_mcbp;
212 extern int amdgpu_discovery;
213 extern int amdgpu_mes;
214 extern int amdgpu_noretry;
215 extern int amdgpu_force_asic_type;
216 extern int amdgpu_smartshift_bias;
217 #ifdef CONFIG_HSA_AMD
218 extern int sched_policy;
219 extern bool debug_evictions;
220 extern bool no_system_mem_limit;
221 #else
222 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
223 static const bool __maybe_unused debug_evictions; /* = false */
224 static const bool __maybe_unused no_system_mem_limit;
225 #endif
226 
227 extern int amdgpu_tmz;
228 extern int amdgpu_reset_method;
229 
230 #ifdef CONFIG_DRM_AMDGPU_SI
231 extern int amdgpu_si_support;
232 #endif
233 #ifdef CONFIG_DRM_AMDGPU_CIK
234 extern int amdgpu_cik_support;
235 #endif
236 extern int amdgpu_num_kcq;
237 
238 #define AMDGPU_VM_MAX_NUM_CTX			4096
239 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
240 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
241 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
242 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
243 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
244 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
245 #define AMDGPUFB_CONN_LIMIT			4
246 #define AMDGPU_BIOS_NUM_SCRATCH			16
247 
248 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
249 
250 /* hard reset data */
251 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
252 
253 /* reset flags */
254 #define AMDGPU_RESET_GFX			(1 << 0)
255 #define AMDGPU_RESET_COMPUTE			(1 << 1)
256 #define AMDGPU_RESET_DMA			(1 << 2)
257 #define AMDGPU_RESET_CP				(1 << 3)
258 #define AMDGPU_RESET_GRBM			(1 << 4)
259 #define AMDGPU_RESET_DMA1			(1 << 5)
260 #define AMDGPU_RESET_RLC			(1 << 6)
261 #define AMDGPU_RESET_SEM			(1 << 7)
262 #define AMDGPU_RESET_IH				(1 << 8)
263 #define AMDGPU_RESET_VMC			(1 << 9)
264 #define AMDGPU_RESET_MC				(1 << 10)
265 #define AMDGPU_RESET_DISPLAY			(1 << 11)
266 #define AMDGPU_RESET_UVD			(1 << 12)
267 #define AMDGPU_RESET_VCE			(1 << 13)
268 #define AMDGPU_RESET_VCE1			(1 << 14)
269 
270 /* max cursor sizes (in pixels) */
271 #define CIK_CURSOR_WIDTH 128
272 #define CIK_CURSOR_HEIGHT 128
273 
274 /* smasrt shift bias level limits */
275 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
276 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
277 
278 struct amdgpu_device;
279 struct amdgpu_ib;
280 struct amdgpu_cs_parser;
281 struct amdgpu_job;
282 struct amdgpu_irq_src;
283 struct amdgpu_fpriv;
284 struct amdgpu_bo_va_mapping;
285 struct kfd_vm_fault_info;
286 struct amdgpu_hive_info;
287 struct amdgpu_reset_context;
288 struct amdgpu_reset_control;
289 
290 enum amdgpu_cp_irq {
291 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
292 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
293 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
294 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
295 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
296 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
297 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
298 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
299 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
300 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
301 
302 	AMDGPU_CP_IRQ_LAST
303 };
304 
305 enum amdgpu_thermal_irq {
306 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
307 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
308 
309 	AMDGPU_THERMAL_IRQ_LAST
310 };
311 
312 enum amdgpu_kiq_irq {
313 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
314 	AMDGPU_CP_KIQ_IRQ_LAST
315 };
316 
317 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
318 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
319 #define MAX_KIQ_REG_TRY 1000
320 
321 int amdgpu_device_ip_set_clockgating_state(void *dev,
322 					   enum amd_ip_block_type block_type,
323 					   enum amd_clockgating_state state);
324 int amdgpu_device_ip_set_powergating_state(void *dev,
325 					   enum amd_ip_block_type block_type,
326 					   enum amd_powergating_state state);
327 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
328 					    u32 *flags);
329 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
330 				   enum amd_ip_block_type block_type);
331 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
332 			      enum amd_ip_block_type block_type);
333 
334 #define AMDGPU_MAX_IP_NUM 16
335 
336 struct amdgpu_ip_block_status {
337 	bool valid;
338 	bool sw;
339 	bool hw;
340 	bool late_initialized;
341 	bool hang;
342 };
343 
344 struct amdgpu_ip_block_version {
345 	const enum amd_ip_block_type type;
346 	const u32 major;
347 	const u32 minor;
348 	const u32 rev;
349 	const struct amd_ip_funcs *funcs;
350 };
351 
352 #define HW_REV(_Major, _Minor, _Rev) \
353 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
354 
355 struct amdgpu_ip_block {
356 	struct amdgpu_ip_block_status status;
357 	const struct amdgpu_ip_block_version *version;
358 };
359 
360 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
361 				       enum amd_ip_block_type type,
362 				       u32 major, u32 minor);
363 
364 struct amdgpu_ip_block *
365 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
366 			      enum amd_ip_block_type type);
367 
368 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
369 			       const struct amdgpu_ip_block_version *ip_block_version);
370 
371 /*
372  * BIOS.
373  */
374 bool amdgpu_get_bios(struct amdgpu_device *adev);
375 bool amdgpu_read_bios(struct amdgpu_device *adev);
376 
377 /*
378  * Clocks
379  */
380 
381 #define AMDGPU_MAX_PPLL 3
382 
383 struct amdgpu_clock {
384 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
385 	struct amdgpu_pll spll;
386 	struct amdgpu_pll mpll;
387 	/* 10 Khz units */
388 	uint32_t default_mclk;
389 	uint32_t default_sclk;
390 	uint32_t default_dispclk;
391 	uint32_t current_dispclk;
392 	uint32_t dp_extclk;
393 	uint32_t max_pixel_clock;
394 };
395 
396 /* sub-allocation manager, it has to be protected by another lock.
397  * By conception this is an helper for other part of the driver
398  * like the indirect buffer or semaphore, which both have their
399  * locking.
400  *
401  * Principe is simple, we keep a list of sub allocation in offset
402  * order (first entry has offset == 0, last entry has the highest
403  * offset).
404  *
405  * When allocating new object we first check if there is room at
406  * the end total_size - (last_object_offset + last_object_size) >=
407  * alloc_size. If so we allocate new object there.
408  *
409  * When there is not enough room at the end, we start waiting for
410  * each sub object until we reach object_offset+object_size >=
411  * alloc_size, this object then become the sub object we return.
412  *
413  * Alignment can't be bigger than page size.
414  *
415  * Hole are not considered for allocation to keep things simple.
416  * Assumption is that there won't be hole (all object on same
417  * alignment).
418  */
419 
420 #define AMDGPU_SA_NUM_FENCE_LISTS	32
421 
422 struct amdgpu_sa_manager {
423 	wait_queue_head_t	wq;
424 	struct amdgpu_bo	*bo;
425 	struct list_head	*hole;
426 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
427 	struct list_head	olist;
428 	unsigned		size;
429 	uint64_t		gpu_addr;
430 	void			*cpu_ptr;
431 	uint32_t		domain;
432 	uint32_t		align;
433 };
434 
435 /* sub-allocation buffer */
436 struct amdgpu_sa_bo {
437 	struct list_head		olist;
438 	struct list_head		flist;
439 	struct amdgpu_sa_manager	*manager;
440 	unsigned			soffset;
441 	unsigned			eoffset;
442 	struct dma_fence	        *fence;
443 };
444 
445 int amdgpu_fence_slab_init(void);
446 void amdgpu_fence_slab_fini(void);
447 
448 /*
449  * IRQS.
450  */
451 
452 struct amdgpu_flip_work {
453 	struct delayed_work		flip_work;
454 	struct work_struct		unpin_work;
455 	struct amdgpu_device		*adev;
456 	int				crtc_id;
457 	u32				target_vblank;
458 	uint64_t			base;
459 	struct drm_pending_vblank_event *event;
460 	struct amdgpu_bo		*old_abo;
461 	struct dma_fence		*excl;
462 	unsigned			shared_count;
463 	struct dma_fence		**shared;
464 	struct dma_fence_cb		cb;
465 	bool				async;
466 };
467 
468 
469 /*
470  * CP & rings.
471  */
472 
473 struct amdgpu_ib {
474 	struct amdgpu_sa_bo		*sa_bo;
475 	uint32_t			length_dw;
476 	uint64_t			gpu_addr;
477 	uint32_t			*ptr;
478 	uint32_t			flags;
479 };
480 
481 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
482 
483 /*
484  * file private structure
485  */
486 
487 struct amdgpu_fpriv {
488 	struct amdgpu_vm	vm;
489 	struct amdgpu_bo_va	*prt_va;
490 	struct amdgpu_bo_va	*csa_va;
491 	struct mutex		bo_list_lock;
492 	struct idr		bo_list_handles;
493 	struct amdgpu_ctx_mgr	ctx_mgr;
494 };
495 
496 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
497 
498 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
499 		  unsigned size,
500 		  enum amdgpu_ib_pool_type pool,
501 		  struct amdgpu_ib *ib);
502 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
503 		    struct dma_fence *f);
504 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
505 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
506 		       struct dma_fence **f);
507 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
508 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
509 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
510 
511 /*
512  * CS.
513  */
514 struct amdgpu_cs_chunk {
515 	uint32_t		chunk_id;
516 	uint32_t		length_dw;
517 	void			*kdata;
518 };
519 
520 struct amdgpu_cs_post_dep {
521 	struct drm_syncobj *syncobj;
522 	struct dma_fence_chain *chain;
523 	u64 point;
524 };
525 
526 struct amdgpu_cs_parser {
527 	struct amdgpu_device	*adev;
528 	struct drm_file		*filp;
529 	struct amdgpu_ctx	*ctx;
530 
531 	/* chunks */
532 	unsigned		nchunks;
533 	struct amdgpu_cs_chunk	*chunks;
534 
535 	/* scheduler job object */
536 	struct amdgpu_job	*job;
537 	struct drm_sched_entity	*entity;
538 
539 	/* buffer objects */
540 	struct ww_acquire_ctx		ticket;
541 	struct amdgpu_bo_list		*bo_list;
542 	struct amdgpu_mn		*mn;
543 	struct amdgpu_bo_list_entry	vm_pd;
544 	struct list_head		validated;
545 	struct dma_fence		*fence;
546 	uint64_t			bytes_moved_threshold;
547 	uint64_t			bytes_moved_vis_threshold;
548 	uint64_t			bytes_moved;
549 	uint64_t			bytes_moved_vis;
550 
551 	/* user fence */
552 	struct amdgpu_bo_list_entry	uf_entry;
553 
554 	unsigned			num_post_deps;
555 	struct amdgpu_cs_post_dep	*post_deps;
556 };
557 
558 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
559 				      uint32_t ib_idx, int idx)
560 {
561 	return p->job->ibs[ib_idx].ptr[idx];
562 }
563 
564 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
565 				       uint32_t ib_idx, int idx,
566 				       uint32_t value)
567 {
568 	p->job->ibs[ib_idx].ptr[idx] = value;
569 }
570 
571 /*
572  * Writeback
573  */
574 #define AMDGPU_MAX_WB 256	/* Reserve at most 256 WB slots for amdgpu-owned rings. */
575 
576 struct amdgpu_wb {
577 	struct amdgpu_bo	*wb_obj;
578 	volatile uint32_t	*wb;
579 	uint64_t		gpu_addr;
580 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
581 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
582 };
583 
584 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
585 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
586 
587 /*
588  * Benchmarking
589  */
590 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
591 
592 
593 /*
594  * Testing
595  */
596 void amdgpu_test_moves(struct amdgpu_device *adev);
597 
598 /*
599  * ASIC specific register table accessible by UMD
600  */
601 struct amdgpu_allowed_register_entry {
602 	uint32_t reg_offset;
603 	bool grbm_indexed;
604 };
605 
606 enum amd_reset_method {
607 	AMD_RESET_METHOD_NONE = -1,
608 	AMD_RESET_METHOD_LEGACY = 0,
609 	AMD_RESET_METHOD_MODE0,
610 	AMD_RESET_METHOD_MODE1,
611 	AMD_RESET_METHOD_MODE2,
612 	AMD_RESET_METHOD_BACO,
613 	AMD_RESET_METHOD_PCI,
614 };
615 
616 struct amdgpu_video_codec_info {
617 	u32 codec_type;
618 	u32 max_width;
619 	u32 max_height;
620 	u32 max_pixels_per_frame;
621 	u32 max_level;
622 };
623 
624 #define codec_info_build(type, width, height, level) \
625 			 .codec_type = type,\
626 			 .max_width = width,\
627 			 .max_height = height,\
628 			 .max_pixels_per_frame = height * width,\
629 			 .max_level = level,
630 
631 struct amdgpu_video_codecs {
632 	const u32 codec_count;
633 	const struct amdgpu_video_codec_info *codec_array;
634 };
635 
636 /*
637  * ASIC specific functions.
638  */
639 struct amdgpu_asic_funcs {
640 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
641 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
642 				   u8 *bios, u32 length_bytes);
643 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
644 			     u32 sh_num, u32 reg_offset, u32 *value);
645 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
646 	int (*reset)(struct amdgpu_device *adev);
647 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
648 	/* get the reference clock */
649 	u32 (*get_xclk)(struct amdgpu_device *adev);
650 	/* MM block clocks */
651 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
652 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
653 	/* static power management */
654 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
655 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
656 	/* get config memsize register */
657 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
658 	/* flush hdp write queue */
659 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
660 	/* invalidate hdp read cache */
661 	void (*invalidate_hdp)(struct amdgpu_device *adev,
662 			       struct amdgpu_ring *ring);
663 	/* check if the asic needs a full reset of if soft reset will work */
664 	bool (*need_full_reset)(struct amdgpu_device *adev);
665 	/* initialize doorbell layout for specific asic*/
666 	void (*init_doorbell_index)(struct amdgpu_device *adev);
667 	/* PCIe bandwidth usage */
668 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
669 			       uint64_t *count1);
670 	/* do we need to reset the asic at init time (e.g., kexec) */
671 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
672 	/* PCIe replay counter */
673 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
674 	/* device supports BACO */
675 	bool (*supports_baco)(struct amdgpu_device *adev);
676 	/* pre asic_init quirks */
677 	void (*pre_asic_init)(struct amdgpu_device *adev);
678 	/* enter/exit umd stable pstate */
679 	int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
680 	/* query video codecs */
681 	int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
682 				  const struct amdgpu_video_codecs **codecs);
683 };
684 
685 /*
686  * IOCTL.
687  */
688 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
689 				struct drm_file *filp);
690 
691 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
692 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
693 				    struct drm_file *filp);
694 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
695 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
696 				struct drm_file *filp);
697 
698 /* VRAM scratch page for HDP bug, default vram page */
699 struct amdgpu_vram_scratch {
700 	struct amdgpu_bo		*robj;
701 	volatile uint32_t		*ptr;
702 	u64				gpu_addr;
703 };
704 
705 /*
706  * CGS
707  */
708 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
709 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
710 
711 /*
712  * Core structure, functions and helpers.
713  */
714 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
715 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
716 
717 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
718 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
719 
720 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
721 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
722 
723 struct amdgpu_mmio_remap {
724 	u32 reg_offset;
725 	resource_size_t bus_addr;
726 };
727 
728 /* Define the HW IP blocks will be used in driver , add more if necessary */
729 enum amd_hw_ip_block_type {
730 	GC_HWIP = 1,
731 	HDP_HWIP,
732 	SDMA0_HWIP,
733 	SDMA1_HWIP,
734 	SDMA2_HWIP,
735 	SDMA3_HWIP,
736 	SDMA4_HWIP,
737 	SDMA5_HWIP,
738 	SDMA6_HWIP,
739 	SDMA7_HWIP,
740 	MMHUB_HWIP,
741 	ATHUB_HWIP,
742 	NBIO_HWIP,
743 	MP0_HWIP,
744 	MP1_HWIP,
745 	UVD_HWIP,
746 	VCN_HWIP = UVD_HWIP,
747 	JPEG_HWIP = VCN_HWIP,
748 	VCN1_HWIP,
749 	VCE_HWIP,
750 	DF_HWIP,
751 	DCE_HWIP,
752 	OSSSYS_HWIP,
753 	SMUIO_HWIP,
754 	PWR_HWIP,
755 	NBIF_HWIP,
756 	THM_HWIP,
757 	CLK_HWIP,
758 	UMC_HWIP,
759 	RSMU_HWIP,
760 	XGMI_HWIP,
761 	DCI_HWIP,
762 	MAX_HWIP
763 };
764 
765 #define HWIP_MAX_INSTANCE	10
766 
767 #define HW_ID_MAX		300
768 #define IP_VERSION(mj, mn, rv) (((mj) << 16) | ((mn) << 8) | (rv))
769 
770 struct amd_powerplay {
771 	void *pp_handle;
772 	const struct amd_pm_funcs *pp_funcs;
773 };
774 
775 /* polaris10 kickers */
776 #define ASICID_IS_P20(did, rid)		(((did == 0x67DF) && \
777 					 ((rid == 0xE3) || \
778 					  (rid == 0xE4) || \
779 					  (rid == 0xE5) || \
780 					  (rid == 0xE7) || \
781 					  (rid == 0xEF))) || \
782 					 ((did == 0x6FDF) && \
783 					 ((rid == 0xE7) || \
784 					  (rid == 0xEF) || \
785 					  (rid == 0xFF))))
786 
787 #define ASICID_IS_P30(did, rid)		((did == 0x67DF) && \
788 					((rid == 0xE1) || \
789 					 (rid == 0xF7)))
790 
791 /* polaris11 kickers */
792 #define ASICID_IS_P21(did, rid)		(((did == 0x67EF) && \
793 					 ((rid == 0xE0) || \
794 					  (rid == 0xE5))) || \
795 					 ((did == 0x67FF) && \
796 					 ((rid == 0xCF) || \
797 					  (rid == 0xEF) || \
798 					  (rid == 0xFF))))
799 
800 #define ASICID_IS_P31(did, rid)		((did == 0x67EF) && \
801 					((rid == 0xE2)))
802 
803 /* polaris12 kickers */
804 #define ASICID_IS_P23(did, rid)		(((did == 0x6987) && \
805 					 ((rid == 0xC0) || \
806 					  (rid == 0xC1) || \
807 					  (rid == 0xC3) || \
808 					  (rid == 0xC7))) || \
809 					 ((did == 0x6981) && \
810 					 ((rid == 0x00) || \
811 					  (rid == 0x01) || \
812 					  (rid == 0x10))))
813 
814 #define AMDGPU_RESET_MAGIC_NUM 64
815 #define AMDGPU_MAX_DF_PERFMONS 4
816 struct amdgpu_device {
817 	struct device			*dev;
818 	struct pci_dev			*pdev;
819 	struct drm_device		ddev;
820 
821 #ifdef CONFIG_DRM_AMD_ACP
822 	struct amdgpu_acp		acp;
823 #endif
824 	struct amdgpu_hive_info *hive;
825 	/* ASIC */
826 	enum amd_asic_type		asic_type;
827 	uint32_t			family;
828 	uint32_t			rev_id;
829 	uint32_t			external_rev_id;
830 	unsigned long			flags;
831 	unsigned long			apu_flags;
832 	int				usec_timeout;
833 	const struct amdgpu_asic_funcs	*asic_funcs;
834 	bool				shutdown;
835 	bool				need_swiotlb;
836 	bool				accel_working;
837 	struct notifier_block		acpi_nb;
838 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
839 	struct debugfs_blob_wrapper     debugfs_vbios_blob;
840 	struct debugfs_blob_wrapper     debugfs_discovery_blob;
841 	struct mutex			srbm_mutex;
842 	/* GRBM index mutex. Protects concurrent access to GRBM index */
843 	struct mutex                    grbm_idx_mutex;
844 	struct dev_pm_domain		vga_pm_domain;
845 	bool				have_disp_power_ref;
846 	bool                            have_atomics_support;
847 
848 	/* BIOS */
849 	bool				is_atom_fw;
850 	uint8_t				*bios;
851 	uint32_t			bios_size;
852 	uint32_t			bios_scratch_reg_offset;
853 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
854 
855 	/* Register/doorbell mmio */
856 	resource_size_t			rmmio_base;
857 	resource_size_t			rmmio_size;
858 	void __iomem			*rmmio;
859 	/* protects concurrent MM_INDEX/DATA based register access */
860 	spinlock_t mmio_idx_lock;
861 	struct amdgpu_mmio_remap        rmmio_remap;
862 	/* protects concurrent SMC based register access */
863 	spinlock_t smc_idx_lock;
864 	amdgpu_rreg_t			smc_rreg;
865 	amdgpu_wreg_t			smc_wreg;
866 	/* protects concurrent PCIE register access */
867 	spinlock_t pcie_idx_lock;
868 	amdgpu_rreg_t			pcie_rreg;
869 	amdgpu_wreg_t			pcie_wreg;
870 	amdgpu_rreg_t			pciep_rreg;
871 	amdgpu_wreg_t			pciep_wreg;
872 	amdgpu_rreg64_t			pcie_rreg64;
873 	amdgpu_wreg64_t			pcie_wreg64;
874 	/* protects concurrent UVD register access */
875 	spinlock_t uvd_ctx_idx_lock;
876 	amdgpu_rreg_t			uvd_ctx_rreg;
877 	amdgpu_wreg_t			uvd_ctx_wreg;
878 	/* protects concurrent DIDT register access */
879 	spinlock_t didt_idx_lock;
880 	amdgpu_rreg_t			didt_rreg;
881 	amdgpu_wreg_t			didt_wreg;
882 	/* protects concurrent gc_cac register access */
883 	spinlock_t gc_cac_idx_lock;
884 	amdgpu_rreg_t			gc_cac_rreg;
885 	amdgpu_wreg_t			gc_cac_wreg;
886 	/* protects concurrent se_cac register access */
887 	spinlock_t se_cac_idx_lock;
888 	amdgpu_rreg_t			se_cac_rreg;
889 	amdgpu_wreg_t			se_cac_wreg;
890 	/* protects concurrent ENDPOINT (audio) register access */
891 	spinlock_t audio_endpt_idx_lock;
892 	amdgpu_block_rreg_t		audio_endpt_rreg;
893 	amdgpu_block_wreg_t		audio_endpt_wreg;
894 	struct amdgpu_doorbell		doorbell;
895 
896 	/* clock/pll info */
897 	struct amdgpu_clock            clock;
898 
899 	/* MC */
900 	struct amdgpu_gmc		gmc;
901 	struct amdgpu_gart		gart;
902 	dma_addr_t			dummy_page_addr;
903 	struct amdgpu_vm_manager	vm_manager;
904 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
905 	unsigned			num_vmhubs;
906 
907 	/* memory management */
908 	struct amdgpu_mman		mman;
909 	struct amdgpu_vram_scratch	vram_scratch;
910 	struct amdgpu_wb		wb;
911 	atomic64_t			num_bytes_moved;
912 	atomic64_t			num_evictions;
913 	atomic64_t			num_vram_cpu_page_faults;
914 	atomic_t			gpu_reset_counter;
915 	atomic_t			vram_lost_counter;
916 
917 	/* data for buffer migration throttling */
918 	struct {
919 		spinlock_t		lock;
920 		s64			last_update_us;
921 		s64			accum_us; /* accumulated microseconds */
922 		s64			accum_us_vis; /* for visible VRAM */
923 		u32			log2_max_MBps;
924 	} mm_stats;
925 
926 	/* display */
927 	bool				enable_virtual_display;
928 	struct amdgpu_vkms_output       *amdgpu_vkms_output;
929 	struct amdgpu_mode_info		mode_info;
930 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
931 	struct work_struct		hotplug_work;
932 	struct amdgpu_irq_src		crtc_irq;
933 	struct amdgpu_irq_src		vline0_irq;
934 	struct amdgpu_irq_src		vupdate_irq;
935 	struct amdgpu_irq_src		pageflip_irq;
936 	struct amdgpu_irq_src		hpd_irq;
937 	struct amdgpu_irq_src		dmub_trace_irq;
938 	struct amdgpu_irq_src		dmub_outbox_irq;
939 
940 	/* rings */
941 	u64				fence_context;
942 	unsigned			num_rings;
943 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
944 	bool				ib_pool_ready;
945 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
946 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
947 
948 	/* interrupts */
949 	struct amdgpu_irq		irq;
950 
951 	/* powerplay */
952 	struct amd_powerplay		powerplay;
953 	bool				pp_force_state_enabled;
954 
955 	/* smu */
956 	struct smu_context		smu;
957 
958 	/* dpm */
959 	struct amdgpu_pm		pm;
960 	u32				cg_flags;
961 	u32				pg_flags;
962 
963 	/* nbio */
964 	struct amdgpu_nbio		nbio;
965 
966 	/* hdp */
967 	struct amdgpu_hdp		hdp;
968 
969 	/* smuio */
970 	struct amdgpu_smuio		smuio;
971 
972 	/* mmhub */
973 	struct amdgpu_mmhub		mmhub;
974 
975 	/* gfxhub */
976 	struct amdgpu_gfxhub		gfxhub;
977 
978 	/* gfx */
979 	struct amdgpu_gfx		gfx;
980 
981 	/* sdma */
982 	struct amdgpu_sdma		sdma;
983 
984 	/* uvd */
985 	struct amdgpu_uvd		uvd;
986 
987 	/* vce */
988 	struct amdgpu_vce		vce;
989 
990 	/* vcn */
991 	struct amdgpu_vcn		vcn;
992 
993 	/* jpeg */
994 	struct amdgpu_jpeg		jpeg;
995 
996 	/* firmwares */
997 	struct amdgpu_firmware		firmware;
998 
999 	/* PSP */
1000 	struct psp_context		psp;
1001 
1002 	/* GDS */
1003 	struct amdgpu_gds		gds;
1004 
1005 	/* KFD */
1006 	struct amdgpu_kfd_dev		kfd;
1007 
1008 	/* UMC */
1009 	struct amdgpu_umc		umc;
1010 
1011 	/* display related functionality */
1012 	struct amdgpu_display_manager dm;
1013 
1014 	/* mes */
1015 	bool                            enable_mes;
1016 	struct amdgpu_mes               mes;
1017 
1018 	/* df */
1019 	struct amdgpu_df                df;
1020 
1021 	/* MCA */
1022 	struct amdgpu_mca               mca;
1023 
1024 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
1025 	uint32_t		        harvest_ip_mask;
1026 	int				num_ip_blocks;
1027 	struct mutex	mn_lock;
1028 	DECLARE_HASHTABLE(mn_hash, 7);
1029 
1030 	/* tracking pinned memory */
1031 	atomic64_t vram_pin_size;
1032 	atomic64_t visible_pin_size;
1033 	atomic64_t gart_pin_size;
1034 
1035 	/* soc15 register offset based on ip, instance and  segment */
1036 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1037 
1038 	/* delayed work_func for deferring clockgating during resume */
1039 	struct delayed_work     delayed_init_work;
1040 
1041 	struct amdgpu_virt	virt;
1042 
1043 	/* link all shadow bo */
1044 	struct list_head                shadow_list;
1045 	struct mutex                    shadow_list_lock;
1046 
1047 	/* record hw reset is performed */
1048 	bool has_hw_reset;
1049 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
1050 
1051 	/* s3/s4 mask */
1052 	bool                            in_suspend;
1053 	bool				in_s3;
1054 	bool				in_s4;
1055 	bool				in_s0ix;
1056 
1057 	atomic_t 			in_gpu_reset;
1058 	enum pp_mp1_state               mp1_state;
1059 	struct rw_semaphore reset_sem;
1060 	struct amdgpu_doorbell_index doorbell_index;
1061 
1062 	struct mutex			notifier_lock;
1063 
1064 	int asic_reset_res;
1065 	struct work_struct		xgmi_reset_work;
1066 	struct list_head		reset_list;
1067 
1068 	long				gfx_timeout;
1069 	long				sdma_timeout;
1070 	long				video_timeout;
1071 	long				compute_timeout;
1072 
1073 	uint64_t			unique_id;
1074 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1075 
1076 	/* enable runtime pm on the device */
1077 	bool                            runpm;
1078 	bool                            in_runpm;
1079 	bool                            has_pr3;
1080 
1081 	bool                            pm_sysfs_en;
1082 	bool                            ucode_sysfs_en;
1083 
1084 	/* Chip product information */
1085 	char				product_number[16];
1086 	char				product_name[32];
1087 	char				serial[20];
1088 
1089 	atomic_t			throttling_logging_enabled;
1090 	struct ratelimit_state		throttling_logging_rs;
1091 	uint32_t                        ras_hw_enabled;
1092 	uint32_t                        ras_enabled;
1093 
1094 	bool                            no_hw_access;
1095 	struct pci_saved_state          *pci_state;
1096 	pci_channel_state_t		pci_channel_state;
1097 
1098 	struct amdgpu_reset_control     *reset_cntl;
1099 	uint32_t                        ip_versions[HW_ID_MAX][HWIP_MAX_INSTANCE];
1100 };
1101 
1102 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1103 {
1104 	return container_of(ddev, struct amdgpu_device, ddev);
1105 }
1106 
1107 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1108 {
1109 	return &adev->ddev;
1110 }
1111 
1112 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1113 {
1114 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1115 }
1116 
1117 int amdgpu_device_init(struct amdgpu_device *adev,
1118 		       uint32_t flags);
1119 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1120 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1121 
1122 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1123 
1124 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1125 			     void *buf, size_t size, bool write);
1126 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1127 				 void *buf, size_t size, bool write);
1128 
1129 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1130 			       void *buf, size_t size, bool write);
1131 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1132 			    uint32_t reg, uint32_t acc_flags);
1133 void amdgpu_device_wreg(struct amdgpu_device *adev,
1134 			uint32_t reg, uint32_t v,
1135 			uint32_t acc_flags);
1136 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1137 			     uint32_t reg, uint32_t v);
1138 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1139 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1140 
1141 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1142 				u32 pcie_index, u32 pcie_data,
1143 				u32 reg_addr);
1144 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1145 				  u32 pcie_index, u32 pcie_data,
1146 				  u32 reg_addr);
1147 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1148 				 u32 pcie_index, u32 pcie_data,
1149 				 u32 reg_addr, u32 reg_data);
1150 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1151 				   u32 pcie_index, u32 pcie_data,
1152 				   u32 reg_addr, u64 reg_data);
1153 
1154 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1155 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1156 
1157 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1158 				 struct amdgpu_reset_context *reset_context);
1159 
1160 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1161 			 struct amdgpu_reset_context *reset_context);
1162 
1163 int emu_soc_asic_init(struct amdgpu_device *adev);
1164 
1165 /*
1166  * Registers read & write functions.
1167  */
1168 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1169 #define AMDGPU_REGS_RLC	(1<<2)
1170 
1171 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1172 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1173 
1174 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1175 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1176 
1177 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1178 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1179 
1180 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1181 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1182 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1183 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1184 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1185 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1186 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1187 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1188 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1189 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1190 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1191 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1192 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1193 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1194 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1195 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1196 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1197 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1198 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1199 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1200 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1201 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1202 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1203 #define WREG32_P(reg, val, mask)				\
1204 	do {							\
1205 		uint32_t tmp_ = RREG32(reg);			\
1206 		tmp_ &= (mask);					\
1207 		tmp_ |= ((val) & ~(mask));			\
1208 		WREG32(reg, tmp_);				\
1209 	} while (0)
1210 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1211 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1212 #define WREG32_PLL_P(reg, val, mask)				\
1213 	do {							\
1214 		uint32_t tmp_ = RREG32_PLL(reg);		\
1215 		tmp_ &= (mask);					\
1216 		tmp_ |= ((val) & ~(mask));			\
1217 		WREG32_PLL(reg, tmp_);				\
1218 	} while (0)
1219 
1220 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1221 	do {                                                    \
1222 		u32 tmp = RREG32_SMC(_Reg);                     \
1223 		tmp &= (_Mask);                                 \
1224 		tmp |= ((_Val) & ~(_Mask));                     \
1225 		WREG32_SMC(_Reg, tmp);                          \
1226 	} while (0)
1227 
1228 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1229 
1230 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1231 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1232 
1233 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1234 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1235 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1236 
1237 #define REG_GET_FIELD(value, reg, field)				\
1238 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1239 
1240 #define WREG32_FIELD(reg, field, val)	\
1241 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1242 
1243 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1244 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1245 
1246 /*
1247  * BIOS helpers.
1248  */
1249 #define RBIOS8(i) (adev->bios[i])
1250 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1251 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1252 
1253 /*
1254  * ASICs macro.
1255  */
1256 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1257 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1258 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1259 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1260 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1261 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1262 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1263 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1264 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1265 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1266 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1267 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1268 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1269 #define amdgpu_asic_flush_hdp(adev, r) \
1270 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1271 #define amdgpu_asic_invalidate_hdp(adev, r) \
1272 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : (adev)->hdp.funcs->invalidate_hdp((adev), (r)))
1273 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1274 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1275 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1276 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1277 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1278 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1279 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1280 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1281 	((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1282 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1283 
1284 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1285 
1286 #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
1287 
1288 /* Common functions */
1289 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1290 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1291 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1292 			      struct amdgpu_job* job);
1293 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1294 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1295 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1296 
1297 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1298 				  u64 num_vis_bytes);
1299 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1300 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1301 					     const u32 *registers,
1302 					     const u32 array_size);
1303 
1304 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1305 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1306 bool amdgpu_device_supports_px(struct drm_device *dev);
1307 bool amdgpu_device_supports_boco(struct drm_device *dev);
1308 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1309 bool amdgpu_device_supports_baco(struct drm_device *dev);
1310 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1311 				      struct amdgpu_device *peer_adev);
1312 int amdgpu_device_baco_enter(struct drm_device *dev);
1313 int amdgpu_device_baco_exit(struct drm_device *dev);
1314 
1315 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1316 		struct amdgpu_ring *ring);
1317 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1318 		struct amdgpu_ring *ring);
1319 
1320 /* atpx handler */
1321 #if defined(CONFIG_VGA_SWITCHEROO)
1322 void amdgpu_register_atpx_handler(void);
1323 void amdgpu_unregister_atpx_handler(void);
1324 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1325 bool amdgpu_is_atpx_hybrid(void);
1326 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1327 bool amdgpu_has_atpx(void);
1328 #else
1329 static inline void amdgpu_register_atpx_handler(void) {}
1330 static inline void amdgpu_unregister_atpx_handler(void) {}
1331 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1332 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1333 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1334 static inline bool amdgpu_has_atpx(void) { return false; }
1335 #endif
1336 
1337 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1338 void *amdgpu_atpx_get_dhandle(void);
1339 #else
1340 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1341 #endif
1342 
1343 /*
1344  * KMS
1345  */
1346 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1347 extern const int amdgpu_max_kms_ioctl;
1348 
1349 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1350 void amdgpu_driver_unload_kms(struct drm_device *dev);
1351 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1352 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1353 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1354 				 struct drm_file *file_priv);
1355 void amdgpu_driver_release_kms(struct drm_device *dev);
1356 
1357 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1358 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1359 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1360 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1361 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1362 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1363 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1364 			     unsigned long arg);
1365 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1366 		      struct drm_file *filp);
1367 
1368 /*
1369  * functions used by amdgpu_encoder.c
1370  */
1371 struct amdgpu_afmt_acr {
1372 	u32 clock;
1373 
1374 	int n_32khz;
1375 	int cts_32khz;
1376 
1377 	int n_44_1khz;
1378 	int cts_44_1khz;
1379 
1380 	int n_48khz;
1381 	int cts_48khz;
1382 
1383 };
1384 
1385 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1386 
1387 /* amdgpu_acpi.c */
1388 
1389 /* ATCS Device/Driver State */
1390 #define AMDGPU_ATCS_PSC_DEV_STATE_D0		0
1391 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT	3
1392 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR		0
1393 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR	1
1394 
1395 #if defined(CONFIG_ACPI)
1396 int amdgpu_acpi_init(struct amdgpu_device *adev);
1397 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1398 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1399 bool amdgpu_acpi_is_power_shift_control_supported(void);
1400 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1401 						u8 perf_req, bool advertise);
1402 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1403 				    u8 dev_state, bool drv_state);
1404 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1405 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1406 
1407 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1408 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1409 void amdgpu_acpi_detect(void);
1410 #else
1411 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1412 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1413 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
1414 static inline void amdgpu_acpi_detect(void) { }
1415 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
1416 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1417 						  u8 dev_state, bool drv_state) { return 0; }
1418 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1419 						 enum amdgpu_ss ss_state) { return 0; }
1420 #endif
1421 
1422 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1423 			   uint64_t addr, struct amdgpu_bo **bo,
1424 			   struct amdgpu_bo_va_mapping **mapping);
1425 
1426 #if defined(CONFIG_DRM_AMD_DC)
1427 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1428 #else
1429 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1430 #endif
1431 
1432 
1433 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1434 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1435 
1436 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1437 					   pci_channel_state_t state);
1438 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1439 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1440 void amdgpu_pci_resume(struct pci_dev *pdev);
1441 
1442 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1443 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1444 
1445 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1446 
1447 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1448 			       enum amd_clockgating_state state);
1449 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1450 			       enum amd_powergating_state state);
1451 
1452 #include "amdgpu_object.h"
1453 
1454 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1455 {
1456        return adev->gmc.tmz_enabled;
1457 }
1458 
1459 static inline int amdgpu_in_reset(struct amdgpu_device *adev)
1460 {
1461 	return atomic_read(&adev->in_gpu_reset);
1462 }
1463 #endif
1464