xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 17b5b576)
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 struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
209 extern int amdgpu_async_gfx_ring;
210 extern int amdgpu_mcbp;
211 extern int amdgpu_discovery;
212 extern int amdgpu_mes;
213 extern int amdgpu_noretry;
214 extern int amdgpu_force_asic_type;
215 extern int amdgpu_smartshift_bias;
216 #ifdef CONFIG_HSA_AMD
217 extern int sched_policy;
218 extern bool debug_evictions;
219 extern bool no_system_mem_limit;
220 #else
221 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
222 static const bool __maybe_unused debug_evictions; /* = false */
223 static const bool __maybe_unused no_system_mem_limit;
224 #endif
225 
226 extern int amdgpu_tmz;
227 extern int amdgpu_reset_method;
228 
229 #ifdef CONFIG_DRM_AMDGPU_SI
230 extern int amdgpu_si_support;
231 #endif
232 #ifdef CONFIG_DRM_AMDGPU_CIK
233 extern int amdgpu_cik_support;
234 #endif
235 extern int amdgpu_num_kcq;
236 
237 #define AMDGPU_VM_MAX_NUM_CTX			4096
238 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
239 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
240 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
241 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
242 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
243 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
244 #define AMDGPUFB_CONN_LIMIT			4
245 #define AMDGPU_BIOS_NUM_SCRATCH			16
246 
247 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
248 
249 /* hard reset data */
250 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
251 
252 /* reset flags */
253 #define AMDGPU_RESET_GFX			(1 << 0)
254 #define AMDGPU_RESET_COMPUTE			(1 << 1)
255 #define AMDGPU_RESET_DMA			(1 << 2)
256 #define AMDGPU_RESET_CP				(1 << 3)
257 #define AMDGPU_RESET_GRBM			(1 << 4)
258 #define AMDGPU_RESET_DMA1			(1 << 5)
259 #define AMDGPU_RESET_RLC			(1 << 6)
260 #define AMDGPU_RESET_SEM			(1 << 7)
261 #define AMDGPU_RESET_IH				(1 << 8)
262 #define AMDGPU_RESET_VMC			(1 << 9)
263 #define AMDGPU_RESET_MC				(1 << 10)
264 #define AMDGPU_RESET_DISPLAY			(1 << 11)
265 #define AMDGPU_RESET_UVD			(1 << 12)
266 #define AMDGPU_RESET_VCE			(1 << 13)
267 #define AMDGPU_RESET_VCE1			(1 << 14)
268 
269 /* max cursor sizes (in pixels) */
270 #define CIK_CURSOR_WIDTH 128
271 #define CIK_CURSOR_HEIGHT 128
272 
273 /* smasrt shift bias level limits */
274 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
275 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
276 
277 struct amdgpu_device;
278 struct amdgpu_ib;
279 struct amdgpu_cs_parser;
280 struct amdgpu_job;
281 struct amdgpu_irq_src;
282 struct amdgpu_fpriv;
283 struct amdgpu_bo_va_mapping;
284 struct kfd_vm_fault_info;
285 struct amdgpu_hive_info;
286 struct amdgpu_reset_context;
287 struct amdgpu_reset_control;
288 
289 enum amdgpu_cp_irq {
290 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
291 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
292 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
293 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
294 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
295 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
296 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
297 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
298 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
299 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
300 
301 	AMDGPU_CP_IRQ_LAST
302 };
303 
304 enum amdgpu_thermal_irq {
305 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
306 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
307 
308 	AMDGPU_THERMAL_IRQ_LAST
309 };
310 
311 enum amdgpu_kiq_irq {
312 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
313 	AMDGPU_CP_KIQ_IRQ_LAST
314 };
315 
316 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
317 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
318 #define MAX_KIQ_REG_TRY 1000
319 
320 int amdgpu_device_ip_set_clockgating_state(void *dev,
321 					   enum amd_ip_block_type block_type,
322 					   enum amd_clockgating_state state);
323 int amdgpu_device_ip_set_powergating_state(void *dev,
324 					   enum amd_ip_block_type block_type,
325 					   enum amd_powergating_state state);
326 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
327 					    u32 *flags);
328 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
329 				   enum amd_ip_block_type block_type);
330 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
331 			      enum amd_ip_block_type block_type);
332 
333 #define AMDGPU_MAX_IP_NUM 16
334 
335 struct amdgpu_ip_block_status {
336 	bool valid;
337 	bool sw;
338 	bool hw;
339 	bool late_initialized;
340 	bool hang;
341 };
342 
343 struct amdgpu_ip_block_version {
344 	const enum amd_ip_block_type type;
345 	const u32 major;
346 	const u32 minor;
347 	const u32 rev;
348 	const struct amd_ip_funcs *funcs;
349 };
350 
351 #define HW_REV(_Major, _Minor, _Rev) \
352 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
353 
354 struct amdgpu_ip_block {
355 	struct amdgpu_ip_block_status status;
356 	const struct amdgpu_ip_block_version *version;
357 };
358 
359 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
360 				       enum amd_ip_block_type type,
361 				       u32 major, u32 minor);
362 
363 struct amdgpu_ip_block *
364 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
365 			      enum amd_ip_block_type type);
366 
367 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
368 			       const struct amdgpu_ip_block_version *ip_block_version);
369 
370 /*
371  * BIOS.
372  */
373 bool amdgpu_get_bios(struct amdgpu_device *adev);
374 bool amdgpu_read_bios(struct amdgpu_device *adev);
375 
376 /*
377  * Clocks
378  */
379 
380 #define AMDGPU_MAX_PPLL 3
381 
382 struct amdgpu_clock {
383 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
384 	struct amdgpu_pll spll;
385 	struct amdgpu_pll mpll;
386 	/* 10 Khz units */
387 	uint32_t default_mclk;
388 	uint32_t default_sclk;
389 	uint32_t default_dispclk;
390 	uint32_t current_dispclk;
391 	uint32_t dp_extclk;
392 	uint32_t max_pixel_clock;
393 };
394 
395 /* sub-allocation manager, it has to be protected by another lock.
396  * By conception this is an helper for other part of the driver
397  * like the indirect buffer or semaphore, which both have their
398  * locking.
399  *
400  * Principe is simple, we keep a list of sub allocation in offset
401  * order (first entry has offset == 0, last entry has the highest
402  * offset).
403  *
404  * When allocating new object we first check if there is room at
405  * the end total_size - (last_object_offset + last_object_size) >=
406  * alloc_size. If so we allocate new object there.
407  *
408  * When there is not enough room at the end, we start waiting for
409  * each sub object until we reach object_offset+object_size >=
410  * alloc_size, this object then become the sub object we return.
411  *
412  * Alignment can't be bigger than page size.
413  *
414  * Hole are not considered for allocation to keep things simple.
415  * Assumption is that there won't be hole (all object on same
416  * alignment).
417  */
418 
419 #define AMDGPU_SA_NUM_FENCE_LISTS	32
420 
421 struct amdgpu_sa_manager {
422 	wait_queue_head_t	wq;
423 	struct amdgpu_bo	*bo;
424 	struct list_head	*hole;
425 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
426 	struct list_head	olist;
427 	unsigned		size;
428 	uint64_t		gpu_addr;
429 	void			*cpu_ptr;
430 	uint32_t		domain;
431 	uint32_t		align;
432 };
433 
434 /* sub-allocation buffer */
435 struct amdgpu_sa_bo {
436 	struct list_head		olist;
437 	struct list_head		flist;
438 	struct amdgpu_sa_manager	*manager;
439 	unsigned			soffset;
440 	unsigned			eoffset;
441 	struct dma_fence	        *fence;
442 };
443 
444 int amdgpu_fence_slab_init(void);
445 void amdgpu_fence_slab_fini(void);
446 
447 /*
448  * IRQS.
449  */
450 
451 struct amdgpu_flip_work {
452 	struct delayed_work		flip_work;
453 	struct work_struct		unpin_work;
454 	struct amdgpu_device		*adev;
455 	int				crtc_id;
456 	u32				target_vblank;
457 	uint64_t			base;
458 	struct drm_pending_vblank_event *event;
459 	struct amdgpu_bo		*old_abo;
460 	struct dma_fence		*excl;
461 	unsigned			shared_count;
462 	struct dma_fence		**shared;
463 	struct dma_fence_cb		cb;
464 	bool				async;
465 };
466 
467 
468 /*
469  * CP & rings.
470  */
471 
472 struct amdgpu_ib {
473 	struct amdgpu_sa_bo		*sa_bo;
474 	uint32_t			length_dw;
475 	uint64_t			gpu_addr;
476 	uint32_t			*ptr;
477 	uint32_t			flags;
478 };
479 
480 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
481 
482 /*
483  * file private structure
484  */
485 
486 struct amdgpu_fpriv {
487 	struct amdgpu_vm	vm;
488 	struct amdgpu_bo_va	*prt_va;
489 	struct amdgpu_bo_va	*csa_va;
490 	struct mutex		bo_list_lock;
491 	struct idr		bo_list_handles;
492 	struct amdgpu_ctx_mgr	ctx_mgr;
493 };
494 
495 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
496 
497 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
498 		  unsigned size,
499 		  enum amdgpu_ib_pool_type pool,
500 		  struct amdgpu_ib *ib);
501 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
502 		    struct dma_fence *f);
503 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
504 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
505 		       struct dma_fence **f);
506 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
507 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
508 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
509 
510 /*
511  * CS.
512  */
513 struct amdgpu_cs_chunk {
514 	uint32_t		chunk_id;
515 	uint32_t		length_dw;
516 	void			*kdata;
517 };
518 
519 struct amdgpu_cs_post_dep {
520 	struct drm_syncobj *syncobj;
521 	struct dma_fence_chain *chain;
522 	u64 point;
523 };
524 
525 struct amdgpu_cs_parser {
526 	struct amdgpu_device	*adev;
527 	struct drm_file		*filp;
528 	struct amdgpu_ctx	*ctx;
529 
530 	/* chunks */
531 	unsigned		nchunks;
532 	struct amdgpu_cs_chunk	*chunks;
533 
534 	/* scheduler job object */
535 	struct amdgpu_job	*job;
536 	struct drm_sched_entity	*entity;
537 
538 	/* buffer objects */
539 	struct ww_acquire_ctx		ticket;
540 	struct amdgpu_bo_list		*bo_list;
541 	struct amdgpu_mn		*mn;
542 	struct amdgpu_bo_list_entry	vm_pd;
543 	struct list_head		validated;
544 	struct dma_fence		*fence;
545 	uint64_t			bytes_moved_threshold;
546 	uint64_t			bytes_moved_vis_threshold;
547 	uint64_t			bytes_moved;
548 	uint64_t			bytes_moved_vis;
549 
550 	/* user fence */
551 	struct amdgpu_bo_list_entry	uf_entry;
552 
553 	unsigned			num_post_deps;
554 	struct amdgpu_cs_post_dep	*post_deps;
555 };
556 
557 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
558 				      uint32_t ib_idx, int idx)
559 {
560 	return p->job->ibs[ib_idx].ptr[idx];
561 }
562 
563 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
564 				       uint32_t ib_idx, int idx,
565 				       uint32_t value)
566 {
567 	p->job->ibs[ib_idx].ptr[idx] = value;
568 }
569 
570 /*
571  * Writeback
572  */
573 #define AMDGPU_MAX_WB 256	/* Reserve at most 256 WB slots for amdgpu-owned rings. */
574 
575 struct amdgpu_wb {
576 	struct amdgpu_bo	*wb_obj;
577 	volatile uint32_t	*wb;
578 	uint64_t		gpu_addr;
579 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
580 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
581 };
582 
583 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
584 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
585 
586 /*
587  * Benchmarking
588  */
589 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
590 
591 
592 /*
593  * Testing
594  */
595 void amdgpu_test_moves(struct amdgpu_device *adev);
596 
597 /*
598  * ASIC specific register table accessible by UMD
599  */
600 struct amdgpu_allowed_register_entry {
601 	uint32_t reg_offset;
602 	bool grbm_indexed;
603 };
604 
605 enum amd_reset_method {
606 	AMD_RESET_METHOD_NONE = -1,
607 	AMD_RESET_METHOD_LEGACY = 0,
608 	AMD_RESET_METHOD_MODE0,
609 	AMD_RESET_METHOD_MODE1,
610 	AMD_RESET_METHOD_MODE2,
611 	AMD_RESET_METHOD_BACO,
612 	AMD_RESET_METHOD_PCI,
613 };
614 
615 struct amdgpu_video_codec_info {
616 	u32 codec_type;
617 	u32 max_width;
618 	u32 max_height;
619 	u32 max_pixels_per_frame;
620 	u32 max_level;
621 };
622 
623 #define codec_info_build(type, width, height, level) \
624 			 .codec_type = type,\
625 			 .max_width = width,\
626 			 .max_height = height,\
627 			 .max_pixels_per_frame = height * width,\
628 			 .max_level = level,
629 
630 struct amdgpu_video_codecs {
631 	const u32 codec_count;
632 	const struct amdgpu_video_codec_info *codec_array;
633 };
634 
635 /*
636  * ASIC specific functions.
637  */
638 struct amdgpu_asic_funcs {
639 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
640 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
641 				   u8 *bios, u32 length_bytes);
642 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
643 			     u32 sh_num, u32 reg_offset, u32 *value);
644 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
645 	int (*reset)(struct amdgpu_device *adev);
646 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
647 	/* get the reference clock */
648 	u32 (*get_xclk)(struct amdgpu_device *adev);
649 	/* MM block clocks */
650 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
651 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
652 	/* static power management */
653 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
654 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
655 	/* get config memsize register */
656 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
657 	/* flush hdp write queue */
658 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
659 	/* invalidate hdp read cache */
660 	void (*invalidate_hdp)(struct amdgpu_device *adev,
661 			       struct amdgpu_ring *ring);
662 	/* check if the asic needs a full reset of if soft reset will work */
663 	bool (*need_full_reset)(struct amdgpu_device *adev);
664 	/* initialize doorbell layout for specific asic*/
665 	void (*init_doorbell_index)(struct amdgpu_device *adev);
666 	/* PCIe bandwidth usage */
667 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
668 			       uint64_t *count1);
669 	/* do we need to reset the asic at init time (e.g., kexec) */
670 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
671 	/* PCIe replay counter */
672 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
673 	/* device supports BACO */
674 	bool (*supports_baco)(struct amdgpu_device *adev);
675 	/* pre asic_init quirks */
676 	void (*pre_asic_init)(struct amdgpu_device *adev);
677 	/* enter/exit umd stable pstate */
678 	int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
679 	/* query video codecs */
680 	int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
681 				  const struct amdgpu_video_codecs **codecs);
682 };
683 
684 /*
685  * IOCTL.
686  */
687 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
688 				struct drm_file *filp);
689 
690 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
691 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
692 				    struct drm_file *filp);
693 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
694 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
695 				struct drm_file *filp);
696 
697 /* VRAM scratch page for HDP bug, default vram page */
698 struct amdgpu_vram_scratch {
699 	struct amdgpu_bo		*robj;
700 	volatile uint32_t		*ptr;
701 	u64				gpu_addr;
702 };
703 
704 /*
705  * CGS
706  */
707 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
708 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
709 
710 /*
711  * Core structure, functions and helpers.
712  */
713 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
714 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
715 
716 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
717 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
718 
719 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
720 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
721 
722 struct amdgpu_mmio_remap {
723 	u32 reg_offset;
724 	resource_size_t bus_addr;
725 };
726 
727 /* Define the HW IP blocks will be used in driver , add more if necessary */
728 enum amd_hw_ip_block_type {
729 	GC_HWIP = 1,
730 	HDP_HWIP,
731 	SDMA0_HWIP,
732 	SDMA1_HWIP,
733 	SDMA2_HWIP,
734 	SDMA3_HWIP,
735 	SDMA4_HWIP,
736 	SDMA5_HWIP,
737 	SDMA6_HWIP,
738 	SDMA7_HWIP,
739 	MMHUB_HWIP,
740 	ATHUB_HWIP,
741 	NBIO_HWIP,
742 	MP0_HWIP,
743 	MP1_HWIP,
744 	UVD_HWIP,
745 	VCN_HWIP = UVD_HWIP,
746 	JPEG_HWIP = VCN_HWIP,
747 	VCE_HWIP,
748 	DF_HWIP,
749 	DCE_HWIP,
750 	OSSSYS_HWIP,
751 	SMUIO_HWIP,
752 	PWR_HWIP,
753 	NBIF_HWIP,
754 	THM_HWIP,
755 	CLK_HWIP,
756 	UMC_HWIP,
757 	RSMU_HWIP,
758 	MAX_HWIP
759 };
760 
761 #define HWIP_MAX_INSTANCE	10
762 
763 struct amd_powerplay {
764 	void *pp_handle;
765 	const struct amd_pm_funcs *pp_funcs;
766 };
767 
768 /* polaris10 kickers */
769 #define ASICID_IS_P20(did, rid)		(((did == 0x67DF) && \
770 					 ((rid == 0xE3) || \
771 					  (rid == 0xE4) || \
772 					  (rid == 0xE5) || \
773 					  (rid == 0xE7) || \
774 					  (rid == 0xEF))) || \
775 					 ((did == 0x6FDF) && \
776 					 ((rid == 0xE7) || \
777 					  (rid == 0xEF) || \
778 					  (rid == 0xFF))))
779 
780 #define ASICID_IS_P30(did, rid)		((did == 0x67DF) && \
781 					((rid == 0xE1) || \
782 					 (rid == 0xF7)))
783 
784 /* polaris11 kickers */
785 #define ASICID_IS_P21(did, rid)		(((did == 0x67EF) && \
786 					 ((rid == 0xE0) || \
787 					  (rid == 0xE5))) || \
788 					 ((did == 0x67FF) && \
789 					 ((rid == 0xCF) || \
790 					  (rid == 0xEF) || \
791 					  (rid == 0xFF))))
792 
793 #define ASICID_IS_P31(did, rid)		((did == 0x67EF) && \
794 					((rid == 0xE2)))
795 
796 /* polaris12 kickers */
797 #define ASICID_IS_P23(did, rid)		(((did == 0x6987) && \
798 					 ((rid == 0xC0) || \
799 					  (rid == 0xC1) || \
800 					  (rid == 0xC3) || \
801 					  (rid == 0xC7))) || \
802 					 ((did == 0x6981) && \
803 					 ((rid == 0x00) || \
804 					  (rid == 0x01) || \
805 					  (rid == 0x10))))
806 
807 #define AMDGPU_RESET_MAGIC_NUM 64
808 #define AMDGPU_MAX_DF_PERFMONS 4
809 struct amdgpu_device {
810 	struct device			*dev;
811 	struct pci_dev			*pdev;
812 	struct drm_device		ddev;
813 
814 #ifdef CONFIG_DRM_AMD_ACP
815 	struct amdgpu_acp		acp;
816 #endif
817 	struct amdgpu_hive_info *hive;
818 	/* ASIC */
819 	enum amd_asic_type		asic_type;
820 	uint32_t			family;
821 	uint32_t			rev_id;
822 	uint32_t			external_rev_id;
823 	unsigned long			flags;
824 	unsigned long			apu_flags;
825 	int				usec_timeout;
826 	const struct amdgpu_asic_funcs	*asic_funcs;
827 	bool				shutdown;
828 	bool				need_swiotlb;
829 	bool				accel_working;
830 	struct notifier_block		acpi_nb;
831 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
832 	struct debugfs_blob_wrapper     debugfs_vbios_blob;
833 	struct mutex			srbm_mutex;
834 	/* GRBM index mutex. Protects concurrent access to GRBM index */
835 	struct mutex                    grbm_idx_mutex;
836 	struct dev_pm_domain		vga_pm_domain;
837 	bool				have_disp_power_ref;
838 	bool                            have_atomics_support;
839 
840 	/* BIOS */
841 	bool				is_atom_fw;
842 	uint8_t				*bios;
843 	uint32_t			bios_size;
844 	uint32_t			bios_scratch_reg_offset;
845 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
846 
847 	/* Register/doorbell mmio */
848 	resource_size_t			rmmio_base;
849 	resource_size_t			rmmio_size;
850 	void __iomem			*rmmio;
851 	/* protects concurrent MM_INDEX/DATA based register access */
852 	spinlock_t mmio_idx_lock;
853 	struct amdgpu_mmio_remap        rmmio_remap;
854 	/* protects concurrent SMC based register access */
855 	spinlock_t smc_idx_lock;
856 	amdgpu_rreg_t			smc_rreg;
857 	amdgpu_wreg_t			smc_wreg;
858 	/* protects concurrent PCIE register access */
859 	spinlock_t pcie_idx_lock;
860 	amdgpu_rreg_t			pcie_rreg;
861 	amdgpu_wreg_t			pcie_wreg;
862 	amdgpu_rreg_t			pciep_rreg;
863 	amdgpu_wreg_t			pciep_wreg;
864 	amdgpu_rreg64_t			pcie_rreg64;
865 	amdgpu_wreg64_t			pcie_wreg64;
866 	/* protects concurrent UVD register access */
867 	spinlock_t uvd_ctx_idx_lock;
868 	amdgpu_rreg_t			uvd_ctx_rreg;
869 	amdgpu_wreg_t			uvd_ctx_wreg;
870 	/* protects concurrent DIDT register access */
871 	spinlock_t didt_idx_lock;
872 	amdgpu_rreg_t			didt_rreg;
873 	amdgpu_wreg_t			didt_wreg;
874 	/* protects concurrent gc_cac register access */
875 	spinlock_t gc_cac_idx_lock;
876 	amdgpu_rreg_t			gc_cac_rreg;
877 	amdgpu_wreg_t			gc_cac_wreg;
878 	/* protects concurrent se_cac register access */
879 	spinlock_t se_cac_idx_lock;
880 	amdgpu_rreg_t			se_cac_rreg;
881 	amdgpu_wreg_t			se_cac_wreg;
882 	/* protects concurrent ENDPOINT (audio) register access */
883 	spinlock_t audio_endpt_idx_lock;
884 	amdgpu_block_rreg_t		audio_endpt_rreg;
885 	amdgpu_block_wreg_t		audio_endpt_wreg;
886 	struct amdgpu_doorbell		doorbell;
887 
888 	/* clock/pll info */
889 	struct amdgpu_clock            clock;
890 
891 	/* MC */
892 	struct amdgpu_gmc		gmc;
893 	struct amdgpu_gart		gart;
894 	dma_addr_t			dummy_page_addr;
895 	struct amdgpu_vm_manager	vm_manager;
896 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
897 	unsigned			num_vmhubs;
898 
899 	/* memory management */
900 	struct amdgpu_mman		mman;
901 	struct amdgpu_vram_scratch	vram_scratch;
902 	struct amdgpu_wb		wb;
903 	atomic64_t			num_bytes_moved;
904 	atomic64_t			num_evictions;
905 	atomic64_t			num_vram_cpu_page_faults;
906 	atomic_t			gpu_reset_counter;
907 	atomic_t			vram_lost_counter;
908 
909 	/* data for buffer migration throttling */
910 	struct {
911 		spinlock_t		lock;
912 		s64			last_update_us;
913 		s64			accum_us; /* accumulated microseconds */
914 		s64			accum_us_vis; /* for visible VRAM */
915 		u32			log2_max_MBps;
916 	} mm_stats;
917 
918 	/* display */
919 	bool				enable_virtual_display;
920 	struct amdgpu_vkms_output       *amdgpu_vkms_output;
921 	struct amdgpu_mode_info		mode_info;
922 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
923 	struct work_struct		hotplug_work;
924 	struct amdgpu_irq_src		crtc_irq;
925 	struct amdgpu_irq_src		vline0_irq;
926 	struct amdgpu_irq_src		vupdate_irq;
927 	struct amdgpu_irq_src		pageflip_irq;
928 	struct amdgpu_irq_src		hpd_irq;
929 	struct amdgpu_irq_src		dmub_trace_irq;
930 	struct amdgpu_irq_src		dmub_outbox_irq;
931 
932 	/* rings */
933 	u64				fence_context;
934 	unsigned			num_rings;
935 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
936 	bool				ib_pool_ready;
937 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
938 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
939 
940 	/* interrupts */
941 	struct amdgpu_irq		irq;
942 
943 	/* powerplay */
944 	struct amd_powerplay		powerplay;
945 	bool				pp_force_state_enabled;
946 
947 	/* smu */
948 	struct smu_context		smu;
949 
950 	/* dpm */
951 	struct amdgpu_pm		pm;
952 	u32				cg_flags;
953 	u32				pg_flags;
954 
955 	/* nbio */
956 	struct amdgpu_nbio		nbio;
957 
958 	/* hdp */
959 	struct amdgpu_hdp		hdp;
960 
961 	/* smuio */
962 	struct amdgpu_smuio		smuio;
963 
964 	/* mmhub */
965 	struct amdgpu_mmhub		mmhub;
966 
967 	/* gfxhub */
968 	struct amdgpu_gfxhub		gfxhub;
969 
970 	/* gfx */
971 	struct amdgpu_gfx		gfx;
972 
973 	/* sdma */
974 	struct amdgpu_sdma		sdma;
975 
976 	/* uvd */
977 	struct amdgpu_uvd		uvd;
978 
979 	/* vce */
980 	struct amdgpu_vce		vce;
981 
982 	/* vcn */
983 	struct amdgpu_vcn		vcn;
984 
985 	/* jpeg */
986 	struct amdgpu_jpeg		jpeg;
987 
988 	/* firmwares */
989 	struct amdgpu_firmware		firmware;
990 
991 	/* PSP */
992 	struct psp_context		psp;
993 
994 	/* GDS */
995 	struct amdgpu_gds		gds;
996 
997 	/* KFD */
998 	struct amdgpu_kfd_dev		kfd;
999 
1000 	/* UMC */
1001 	struct amdgpu_umc		umc;
1002 
1003 	/* display related functionality */
1004 	struct amdgpu_display_manager dm;
1005 
1006 	/* mes */
1007 	bool                            enable_mes;
1008 	struct amdgpu_mes               mes;
1009 
1010 	/* df */
1011 	struct amdgpu_df                df;
1012 
1013 	/* MCA */
1014 	struct amdgpu_mca               mca;
1015 
1016 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
1017 	uint32_t		        harvest_ip_mask;
1018 	int				num_ip_blocks;
1019 	struct mutex	mn_lock;
1020 	DECLARE_HASHTABLE(mn_hash, 7);
1021 
1022 	/* tracking pinned memory */
1023 	atomic64_t vram_pin_size;
1024 	atomic64_t visible_pin_size;
1025 	atomic64_t gart_pin_size;
1026 
1027 	/* soc15 register offset based on ip, instance and  segment */
1028 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1029 
1030 	/* delayed work_func for deferring clockgating during resume */
1031 	struct delayed_work     delayed_init_work;
1032 
1033 	struct amdgpu_virt	virt;
1034 
1035 	/* link all shadow bo */
1036 	struct list_head                shadow_list;
1037 	struct mutex                    shadow_list_lock;
1038 
1039 	/* record hw reset is performed */
1040 	bool has_hw_reset;
1041 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
1042 
1043 	/* s3/s4 mask */
1044 	bool                            in_suspend;
1045 	bool				in_s3;
1046 	bool				in_s4;
1047 	bool				in_s0ix;
1048 
1049 	atomic_t 			in_gpu_reset;
1050 	enum pp_mp1_state               mp1_state;
1051 	struct rw_semaphore reset_sem;
1052 	struct amdgpu_doorbell_index doorbell_index;
1053 
1054 	struct mutex			notifier_lock;
1055 
1056 	int asic_reset_res;
1057 	struct work_struct		xgmi_reset_work;
1058 	struct list_head		reset_list;
1059 
1060 	long				gfx_timeout;
1061 	long				sdma_timeout;
1062 	long				video_timeout;
1063 	long				compute_timeout;
1064 
1065 	uint64_t			unique_id;
1066 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1067 
1068 	/* enable runtime pm on the device */
1069 	bool                            runpm;
1070 	bool                            in_runpm;
1071 	bool                            has_pr3;
1072 
1073 	bool                            pm_sysfs_en;
1074 	bool                            ucode_sysfs_en;
1075 
1076 	/* Chip product information */
1077 	char				product_number[16];
1078 	char				product_name[32];
1079 	char				serial[20];
1080 
1081 	struct amdgpu_autodump		autodump;
1082 
1083 	atomic_t			throttling_logging_enabled;
1084 	struct ratelimit_state		throttling_logging_rs;
1085 	uint32_t                        ras_hw_enabled;
1086 	uint32_t                        ras_enabled;
1087 
1088 	bool                            no_hw_access;
1089 	struct pci_saved_state          *pci_state;
1090 	pci_channel_state_t		pci_channel_state;
1091 
1092 	struct amdgpu_reset_control     *reset_cntl;
1093 };
1094 
1095 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1096 {
1097 	return container_of(ddev, struct amdgpu_device, ddev);
1098 }
1099 
1100 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1101 {
1102 	return &adev->ddev;
1103 }
1104 
1105 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1106 {
1107 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1108 }
1109 
1110 int amdgpu_device_init(struct amdgpu_device *adev,
1111 		       uint32_t flags);
1112 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1113 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1114 
1115 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1116 
1117 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1118 			     void *buf, size_t size, bool write);
1119 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1120 				 void *buf, size_t size, bool write);
1121 
1122 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1123 			       void *buf, size_t size, bool write);
1124 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1125 			    uint32_t reg, uint32_t acc_flags);
1126 void amdgpu_device_wreg(struct amdgpu_device *adev,
1127 			uint32_t reg, uint32_t v,
1128 			uint32_t acc_flags);
1129 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1130 			     uint32_t reg, uint32_t v);
1131 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1132 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1133 
1134 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1135 				u32 pcie_index, u32 pcie_data,
1136 				u32 reg_addr);
1137 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1138 				  u32 pcie_index, u32 pcie_data,
1139 				  u32 reg_addr);
1140 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1141 				 u32 pcie_index, u32 pcie_data,
1142 				 u32 reg_addr, u32 reg_data);
1143 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1144 				   u32 pcie_index, u32 pcie_data,
1145 				   u32 reg_addr, u64 reg_data);
1146 
1147 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1148 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1149 
1150 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1151 				 struct amdgpu_reset_context *reset_context);
1152 
1153 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1154 			 struct amdgpu_reset_context *reset_context);
1155 
1156 int emu_soc_asic_init(struct amdgpu_device *adev);
1157 
1158 /*
1159  * Registers read & write functions.
1160  */
1161 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1162 #define AMDGPU_REGS_RLC	(1<<2)
1163 
1164 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1165 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1166 
1167 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1168 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1169 
1170 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1171 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1172 
1173 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1174 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1175 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1176 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1177 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1178 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1179 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1180 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1181 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1182 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1183 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1184 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1185 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1186 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1187 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1188 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1189 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1190 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1191 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1192 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1193 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1194 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1195 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1196 #define WREG32_P(reg, val, mask)				\
1197 	do {							\
1198 		uint32_t tmp_ = RREG32(reg);			\
1199 		tmp_ &= (mask);					\
1200 		tmp_ |= ((val) & ~(mask));			\
1201 		WREG32(reg, tmp_);				\
1202 	} while (0)
1203 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1204 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1205 #define WREG32_PLL_P(reg, val, mask)				\
1206 	do {							\
1207 		uint32_t tmp_ = RREG32_PLL(reg);		\
1208 		tmp_ &= (mask);					\
1209 		tmp_ |= ((val) & ~(mask));			\
1210 		WREG32_PLL(reg, tmp_);				\
1211 	} while (0)
1212 
1213 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1214 	do {                                                    \
1215 		u32 tmp = RREG32_SMC(_Reg);                     \
1216 		tmp &= (_Mask);                                 \
1217 		tmp |= ((_Val) & ~(_Mask));                     \
1218 		WREG32_SMC(_Reg, tmp);                          \
1219 	} while (0)
1220 
1221 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1222 
1223 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1224 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1225 
1226 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1227 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1228 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1229 
1230 #define REG_GET_FIELD(value, reg, field)				\
1231 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1232 
1233 #define WREG32_FIELD(reg, field, val)	\
1234 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1235 
1236 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1237 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1238 
1239 /*
1240  * BIOS helpers.
1241  */
1242 #define RBIOS8(i) (adev->bios[i])
1243 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1244 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1245 
1246 /*
1247  * ASICs macro.
1248  */
1249 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1250 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1251 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1252 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1253 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1254 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1255 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1256 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1257 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1258 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1259 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1260 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1261 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1262 #define amdgpu_asic_flush_hdp(adev, r) \
1263 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1264 #define amdgpu_asic_invalidate_hdp(adev, r) \
1265 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : (adev)->hdp.funcs->invalidate_hdp((adev), (r)))
1266 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1267 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1268 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1269 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1270 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1271 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1272 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1273 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1274 	((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1275 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1276 
1277 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1278 
1279 #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
1280 
1281 /* Common functions */
1282 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1283 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1284 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1285 			      struct amdgpu_job* job);
1286 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1287 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1288 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1289 
1290 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1291 				  u64 num_vis_bytes);
1292 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1293 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1294 					     const u32 *registers,
1295 					     const u32 array_size);
1296 
1297 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1298 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1299 bool amdgpu_device_supports_px(struct drm_device *dev);
1300 bool amdgpu_device_supports_boco(struct drm_device *dev);
1301 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1302 bool amdgpu_device_supports_baco(struct drm_device *dev);
1303 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1304 				      struct amdgpu_device *peer_adev);
1305 int amdgpu_device_baco_enter(struct drm_device *dev);
1306 int amdgpu_device_baco_exit(struct drm_device *dev);
1307 
1308 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1309 		struct amdgpu_ring *ring);
1310 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1311 		struct amdgpu_ring *ring);
1312 
1313 /* atpx handler */
1314 #if defined(CONFIG_VGA_SWITCHEROO)
1315 void amdgpu_register_atpx_handler(void);
1316 void amdgpu_unregister_atpx_handler(void);
1317 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1318 bool amdgpu_is_atpx_hybrid(void);
1319 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1320 bool amdgpu_has_atpx(void);
1321 #else
1322 static inline void amdgpu_register_atpx_handler(void) {}
1323 static inline void amdgpu_unregister_atpx_handler(void) {}
1324 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1325 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1326 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1327 static inline bool amdgpu_has_atpx(void) { return false; }
1328 #endif
1329 
1330 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1331 void *amdgpu_atpx_get_dhandle(void);
1332 #else
1333 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1334 #endif
1335 
1336 /*
1337  * KMS
1338  */
1339 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1340 extern const int amdgpu_max_kms_ioctl;
1341 
1342 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1343 void amdgpu_driver_unload_kms(struct drm_device *dev);
1344 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1345 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1346 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1347 				 struct drm_file *file_priv);
1348 void amdgpu_driver_release_kms(struct drm_device *dev);
1349 
1350 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1351 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1352 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1353 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1354 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1355 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1356 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1357 			     unsigned long arg);
1358 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1359 		      struct drm_file *filp);
1360 
1361 /*
1362  * functions used by amdgpu_encoder.c
1363  */
1364 struct amdgpu_afmt_acr {
1365 	u32 clock;
1366 
1367 	int n_32khz;
1368 	int cts_32khz;
1369 
1370 	int n_44_1khz;
1371 	int cts_44_1khz;
1372 
1373 	int n_48khz;
1374 	int cts_48khz;
1375 
1376 };
1377 
1378 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1379 
1380 /* amdgpu_acpi.c */
1381 
1382 /* ATCS Device/Driver State */
1383 #define AMDGPU_ATCS_PSC_DEV_STATE_D0		0
1384 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT	3
1385 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR		0
1386 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR	1
1387 
1388 #if defined(CONFIG_ACPI)
1389 int amdgpu_acpi_init(struct amdgpu_device *adev);
1390 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1391 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1392 bool amdgpu_acpi_is_power_shift_control_supported(void);
1393 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1394 						u8 perf_req, bool advertise);
1395 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1396 				    u8 dev_state, bool drv_state);
1397 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1398 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1399 
1400 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1401 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1402 void amdgpu_acpi_detect(void);
1403 #else
1404 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1405 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1406 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
1407 static inline void amdgpu_acpi_detect(void) { }
1408 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
1409 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1410 						  u8 dev_state, bool drv_state) { return 0; }
1411 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1412 						 enum amdgpu_ss ss_state) { return 0; }
1413 #endif
1414 
1415 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1416 			   uint64_t addr, struct amdgpu_bo **bo,
1417 			   struct amdgpu_bo_va_mapping **mapping);
1418 
1419 #if defined(CONFIG_DRM_AMD_DC)
1420 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1421 #else
1422 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1423 #endif
1424 
1425 
1426 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1427 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1428 
1429 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1430 					   pci_channel_state_t state);
1431 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1432 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1433 void amdgpu_pci_resume(struct pci_dev *pdev);
1434 
1435 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1436 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1437 
1438 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1439 
1440 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1441 			       enum amd_clockgating_state state);
1442 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1443 			       enum amd_powergating_state state);
1444 
1445 #include "amdgpu_object.h"
1446 
1447 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1448 {
1449        return adev->gmc.tmz_enabled;
1450 }
1451 
1452 static inline int amdgpu_in_reset(struct amdgpu_device *adev)
1453 {
1454 	return atomic_read(&adev->in_gpu_reset);
1455 }
1456 #endif
1457