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 
111 #define MAX_GPU_INSTANCE		16
112 
113 struct amdgpu_gpu_instance
114 {
115 	struct amdgpu_device		*adev;
116 	int				mgpu_fan_enabled;
117 };
118 
119 struct amdgpu_mgpu_info
120 {
121 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
122 	struct mutex			mutex;
123 	uint32_t			num_gpu;
124 	uint32_t			num_dgpu;
125 	uint32_t			num_apu;
126 
127 	/* delayed reset_func for XGMI configuration if necessary */
128 	struct delayed_work		delayed_reset_work;
129 	bool				pending_reset;
130 };
131 
132 struct amdgpu_watchdog_timer
133 {
134 	bool timeout_fatal_disable;
135 	uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
136 };
137 
138 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
139 
140 /*
141  * Modules parameters.
142  */
143 extern int amdgpu_modeset;
144 extern int amdgpu_vram_limit;
145 extern int amdgpu_vis_vram_limit;
146 extern int amdgpu_gart_size;
147 extern int amdgpu_gtt_size;
148 extern int amdgpu_moverate;
149 extern int amdgpu_benchmarking;
150 extern int amdgpu_testing;
151 extern int amdgpu_audio;
152 extern int amdgpu_disp_priority;
153 extern int amdgpu_hw_i2c;
154 extern int amdgpu_pcie_gen2;
155 extern int amdgpu_msi;
156 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
157 extern int amdgpu_dpm;
158 extern int amdgpu_fw_load_type;
159 extern int amdgpu_aspm;
160 extern int amdgpu_runtime_pm;
161 extern uint amdgpu_ip_block_mask;
162 extern int amdgpu_bapm;
163 extern int amdgpu_deep_color;
164 extern int amdgpu_vm_size;
165 extern int amdgpu_vm_block_size;
166 extern int amdgpu_vm_fragment_size;
167 extern int amdgpu_vm_fault_stop;
168 extern int amdgpu_vm_debug;
169 extern int amdgpu_vm_update_mode;
170 extern int amdgpu_exp_hw_support;
171 extern int amdgpu_dc;
172 extern int amdgpu_sched_jobs;
173 extern int amdgpu_sched_hw_submission;
174 extern uint amdgpu_pcie_gen_cap;
175 extern uint amdgpu_pcie_lane_cap;
176 extern uint amdgpu_cg_mask;
177 extern uint amdgpu_pg_mask;
178 extern uint amdgpu_sdma_phase_quantum;
179 extern char *amdgpu_disable_cu;
180 extern char *amdgpu_virtual_display;
181 extern uint amdgpu_pp_feature_mask;
182 extern uint amdgpu_force_long_training;
183 extern int amdgpu_job_hang_limit;
184 extern int amdgpu_lbpw;
185 extern int amdgpu_compute_multipipe;
186 extern int amdgpu_gpu_recovery;
187 extern int amdgpu_emu_mode;
188 extern uint amdgpu_smu_memory_pool_size;
189 extern int amdgpu_smu_pptable_id;
190 extern uint amdgpu_dc_feature_mask;
191 extern uint amdgpu_freesync_vid_mode;
192 extern uint amdgpu_dc_debug_mask;
193 extern uint amdgpu_dm_abm_level;
194 extern int amdgpu_backlight;
195 extern struct amdgpu_mgpu_info mgpu_info;
196 extern int amdgpu_ras_enable;
197 extern uint amdgpu_ras_mask;
198 extern int amdgpu_bad_page_threshold;
199 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
200 extern int amdgpu_async_gfx_ring;
201 extern int amdgpu_mcbp;
202 extern int amdgpu_discovery;
203 extern int amdgpu_mes;
204 extern int amdgpu_noretry;
205 extern int amdgpu_force_asic_type;
206 #ifdef CONFIG_HSA_AMD
207 extern int sched_policy;
208 extern bool debug_evictions;
209 extern bool no_system_mem_limit;
210 #else
211 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
212 static const bool __maybe_unused debug_evictions; /* = false */
213 static const bool __maybe_unused no_system_mem_limit;
214 #endif
215 
216 extern int amdgpu_tmz;
217 extern int amdgpu_reset_method;
218 
219 #ifdef CONFIG_DRM_AMDGPU_SI
220 extern int amdgpu_si_support;
221 #endif
222 #ifdef CONFIG_DRM_AMDGPU_CIK
223 extern int amdgpu_cik_support;
224 #endif
225 extern int amdgpu_num_kcq;
226 
227 #define AMDGPU_VM_MAX_NUM_CTX			4096
228 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
229 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
230 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
231 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
232 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
233 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
234 #define AMDGPUFB_CONN_LIMIT			4
235 #define AMDGPU_BIOS_NUM_SCRATCH			16
236 
237 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
238 
239 /* hard reset data */
240 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
241 
242 /* reset flags */
243 #define AMDGPU_RESET_GFX			(1 << 0)
244 #define AMDGPU_RESET_COMPUTE			(1 << 1)
245 #define AMDGPU_RESET_DMA			(1 << 2)
246 #define AMDGPU_RESET_CP				(1 << 3)
247 #define AMDGPU_RESET_GRBM			(1 << 4)
248 #define AMDGPU_RESET_DMA1			(1 << 5)
249 #define AMDGPU_RESET_RLC			(1 << 6)
250 #define AMDGPU_RESET_SEM			(1 << 7)
251 #define AMDGPU_RESET_IH				(1 << 8)
252 #define AMDGPU_RESET_VMC			(1 << 9)
253 #define AMDGPU_RESET_MC				(1 << 10)
254 #define AMDGPU_RESET_DISPLAY			(1 << 11)
255 #define AMDGPU_RESET_UVD			(1 << 12)
256 #define AMDGPU_RESET_VCE			(1 << 13)
257 #define AMDGPU_RESET_VCE1			(1 << 14)
258 
259 /* max cursor sizes (in pixels) */
260 #define CIK_CURSOR_WIDTH 128
261 #define CIK_CURSOR_HEIGHT 128
262 
263 struct amdgpu_device;
264 struct amdgpu_ib;
265 struct amdgpu_cs_parser;
266 struct amdgpu_job;
267 struct amdgpu_irq_src;
268 struct amdgpu_fpriv;
269 struct amdgpu_bo_va_mapping;
270 struct amdgpu_atif;
271 struct kfd_vm_fault_info;
272 struct amdgpu_hive_info;
273 struct amdgpu_reset_context;
274 struct amdgpu_reset_control;
275 
276 enum amdgpu_cp_irq {
277 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
278 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
279 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
280 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
281 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
282 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
283 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
284 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
285 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
286 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
287 
288 	AMDGPU_CP_IRQ_LAST
289 };
290 
291 enum amdgpu_thermal_irq {
292 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
293 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
294 
295 	AMDGPU_THERMAL_IRQ_LAST
296 };
297 
298 enum amdgpu_kiq_irq {
299 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
300 	AMDGPU_CP_KIQ_IRQ_LAST
301 };
302 
303 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
304 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
305 #define MAX_KIQ_REG_TRY 1000
306 
307 int amdgpu_device_ip_set_clockgating_state(void *dev,
308 					   enum amd_ip_block_type block_type,
309 					   enum amd_clockgating_state state);
310 int amdgpu_device_ip_set_powergating_state(void *dev,
311 					   enum amd_ip_block_type block_type,
312 					   enum amd_powergating_state state);
313 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
314 					    u32 *flags);
315 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
316 				   enum amd_ip_block_type block_type);
317 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
318 			      enum amd_ip_block_type block_type);
319 
320 #define AMDGPU_MAX_IP_NUM 16
321 
322 struct amdgpu_ip_block_status {
323 	bool valid;
324 	bool sw;
325 	bool hw;
326 	bool late_initialized;
327 	bool hang;
328 };
329 
330 struct amdgpu_ip_block_version {
331 	const enum amd_ip_block_type type;
332 	const u32 major;
333 	const u32 minor;
334 	const u32 rev;
335 	const struct amd_ip_funcs *funcs;
336 };
337 
338 #define HW_REV(_Major, _Minor, _Rev) \
339 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
340 
341 struct amdgpu_ip_block {
342 	struct amdgpu_ip_block_status status;
343 	const struct amdgpu_ip_block_version *version;
344 };
345 
346 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
347 				       enum amd_ip_block_type type,
348 				       u32 major, u32 minor);
349 
350 struct amdgpu_ip_block *
351 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
352 			      enum amd_ip_block_type type);
353 
354 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
355 			       const struct amdgpu_ip_block_version *ip_block_version);
356 
357 /*
358  * BIOS.
359  */
360 bool amdgpu_get_bios(struct amdgpu_device *adev);
361 bool amdgpu_read_bios(struct amdgpu_device *adev);
362 
363 /*
364  * Clocks
365  */
366 
367 #define AMDGPU_MAX_PPLL 3
368 
369 struct amdgpu_clock {
370 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
371 	struct amdgpu_pll spll;
372 	struct amdgpu_pll mpll;
373 	/* 10 Khz units */
374 	uint32_t default_mclk;
375 	uint32_t default_sclk;
376 	uint32_t default_dispclk;
377 	uint32_t current_dispclk;
378 	uint32_t dp_extclk;
379 	uint32_t max_pixel_clock;
380 };
381 
382 /* sub-allocation manager, it has to be protected by another lock.
383  * By conception this is an helper for other part of the driver
384  * like the indirect buffer or semaphore, which both have their
385  * locking.
386  *
387  * Principe is simple, we keep a list of sub allocation in offset
388  * order (first entry has offset == 0, last entry has the highest
389  * offset).
390  *
391  * When allocating new object we first check if there is room at
392  * the end total_size - (last_object_offset + last_object_size) >=
393  * alloc_size. If so we allocate new object there.
394  *
395  * When there is not enough room at the end, we start waiting for
396  * each sub object until we reach object_offset+object_size >=
397  * alloc_size, this object then become the sub object we return.
398  *
399  * Alignment can't be bigger than page size.
400  *
401  * Hole are not considered for allocation to keep things simple.
402  * Assumption is that there won't be hole (all object on same
403  * alignment).
404  */
405 
406 #define AMDGPU_SA_NUM_FENCE_LISTS	32
407 
408 struct amdgpu_sa_manager {
409 	wait_queue_head_t	wq;
410 	struct amdgpu_bo	*bo;
411 	struct list_head	*hole;
412 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
413 	struct list_head	olist;
414 	unsigned		size;
415 	uint64_t		gpu_addr;
416 	void			*cpu_ptr;
417 	uint32_t		domain;
418 	uint32_t		align;
419 };
420 
421 /* sub-allocation buffer */
422 struct amdgpu_sa_bo {
423 	struct list_head		olist;
424 	struct list_head		flist;
425 	struct amdgpu_sa_manager	*manager;
426 	unsigned			soffset;
427 	unsigned			eoffset;
428 	struct dma_fence	        *fence;
429 };
430 
431 int amdgpu_fence_slab_init(void);
432 void amdgpu_fence_slab_fini(void);
433 
434 /*
435  * IRQS.
436  */
437 
438 struct amdgpu_flip_work {
439 	struct delayed_work		flip_work;
440 	struct work_struct		unpin_work;
441 	struct amdgpu_device		*adev;
442 	int				crtc_id;
443 	u32				target_vblank;
444 	uint64_t			base;
445 	struct drm_pending_vblank_event *event;
446 	struct amdgpu_bo		*old_abo;
447 	struct dma_fence		*excl;
448 	unsigned			shared_count;
449 	struct dma_fence		**shared;
450 	struct dma_fence_cb		cb;
451 	bool				async;
452 };
453 
454 
455 /*
456  * CP & rings.
457  */
458 
459 struct amdgpu_ib {
460 	struct amdgpu_sa_bo		*sa_bo;
461 	uint32_t			length_dw;
462 	uint64_t			gpu_addr;
463 	uint32_t			*ptr;
464 	uint32_t			flags;
465 };
466 
467 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
468 
469 /*
470  * file private structure
471  */
472 
473 struct amdgpu_fpriv {
474 	struct amdgpu_vm	vm;
475 	struct amdgpu_bo_va	*prt_va;
476 	struct amdgpu_bo_va	*csa_va;
477 	struct mutex		bo_list_lock;
478 	struct idr		bo_list_handles;
479 	struct amdgpu_ctx_mgr	ctx_mgr;
480 };
481 
482 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
483 
484 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
485 		  unsigned size,
486 		  enum amdgpu_ib_pool_type pool,
487 		  struct amdgpu_ib *ib);
488 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
489 		    struct dma_fence *f);
490 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
491 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
492 		       struct dma_fence **f);
493 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
494 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
495 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
496 
497 /*
498  * CS.
499  */
500 struct amdgpu_cs_chunk {
501 	uint32_t		chunk_id;
502 	uint32_t		length_dw;
503 	void			*kdata;
504 };
505 
506 struct amdgpu_cs_post_dep {
507 	struct drm_syncobj *syncobj;
508 	struct dma_fence_chain *chain;
509 	u64 point;
510 };
511 
512 struct amdgpu_cs_parser {
513 	struct amdgpu_device	*adev;
514 	struct drm_file		*filp;
515 	struct amdgpu_ctx	*ctx;
516 
517 	/* chunks */
518 	unsigned		nchunks;
519 	struct amdgpu_cs_chunk	*chunks;
520 
521 	/* scheduler job object */
522 	struct amdgpu_job	*job;
523 	struct drm_sched_entity	*entity;
524 
525 	/* buffer objects */
526 	struct ww_acquire_ctx		ticket;
527 	struct amdgpu_bo_list		*bo_list;
528 	struct amdgpu_mn		*mn;
529 	struct amdgpu_bo_list_entry	vm_pd;
530 	struct list_head		validated;
531 	struct dma_fence		*fence;
532 	uint64_t			bytes_moved_threshold;
533 	uint64_t			bytes_moved_vis_threshold;
534 	uint64_t			bytes_moved;
535 	uint64_t			bytes_moved_vis;
536 
537 	/* user fence */
538 	struct amdgpu_bo_list_entry	uf_entry;
539 
540 	unsigned			num_post_deps;
541 	struct amdgpu_cs_post_dep	*post_deps;
542 };
543 
amdgpu_get_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx)544 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
545 				      uint32_t ib_idx, int idx)
546 {
547 	return p->job->ibs[ib_idx].ptr[idx];
548 }
549 
amdgpu_set_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx,uint32_t value)550 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
551 				       uint32_t ib_idx, int idx,
552 				       uint32_t value)
553 {
554 	p->job->ibs[ib_idx].ptr[idx] = value;
555 }
556 
557 /*
558  * Writeback
559  */
560 #define AMDGPU_MAX_WB 256	/* Reserve at most 256 WB slots for amdgpu-owned rings. */
561 
562 struct amdgpu_wb {
563 	struct amdgpu_bo	*wb_obj;
564 	volatile uint32_t	*wb;
565 	uint64_t		gpu_addr;
566 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
567 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
568 };
569 
570 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
571 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
572 
573 /*
574  * Benchmarking
575  */
576 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
577 
578 
579 /*
580  * Testing
581  */
582 void amdgpu_test_moves(struct amdgpu_device *adev);
583 
584 /*
585  * ASIC specific register table accessible by UMD
586  */
587 struct amdgpu_allowed_register_entry {
588 	uint32_t reg_offset;
589 	bool grbm_indexed;
590 };
591 
592 enum amd_reset_method {
593 	AMD_RESET_METHOD_NONE = -1,
594 	AMD_RESET_METHOD_LEGACY = 0,
595 	AMD_RESET_METHOD_MODE0,
596 	AMD_RESET_METHOD_MODE1,
597 	AMD_RESET_METHOD_MODE2,
598 	AMD_RESET_METHOD_BACO,
599 	AMD_RESET_METHOD_PCI,
600 };
601 
602 struct amdgpu_video_codec_info {
603 	u32 codec_type;
604 	u32 max_width;
605 	u32 max_height;
606 	u32 max_pixels_per_frame;
607 	u32 max_level;
608 };
609 
610 struct amdgpu_video_codecs {
611 	const u32 codec_count;
612 	const struct amdgpu_video_codec_info *codec_array;
613 };
614 
615 /*
616  * ASIC specific functions.
617  */
618 struct amdgpu_asic_funcs {
619 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
620 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
621 				   u8 *bios, u32 length_bytes);
622 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
623 			     u32 sh_num, u32 reg_offset, u32 *value);
624 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
625 	int (*reset)(struct amdgpu_device *adev);
626 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
627 	/* get the reference clock */
628 	u32 (*get_xclk)(struct amdgpu_device *adev);
629 	/* MM block clocks */
630 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
631 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
632 	/* static power management */
633 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
634 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
635 	/* get config memsize register */
636 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
637 	/* flush hdp write queue */
638 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
639 	/* invalidate hdp read cache */
640 	void (*invalidate_hdp)(struct amdgpu_device *adev,
641 			       struct amdgpu_ring *ring);
642 	/* check if the asic needs a full reset of if soft reset will work */
643 	bool (*need_full_reset)(struct amdgpu_device *adev);
644 	/* initialize doorbell layout for specific asic*/
645 	void (*init_doorbell_index)(struct amdgpu_device *adev);
646 	/* PCIe bandwidth usage */
647 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
648 			       uint64_t *count1);
649 	/* do we need to reset the asic at init time (e.g., kexec) */
650 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
651 	/* PCIe replay counter */
652 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
653 	/* device supports BACO */
654 	bool (*supports_baco)(struct amdgpu_device *adev);
655 	/* pre asic_init quirks */
656 	void (*pre_asic_init)(struct amdgpu_device *adev);
657 	/* enter/exit umd stable pstate */
658 	int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
659 	/* query video codecs */
660 	int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
661 				  const struct amdgpu_video_codecs **codecs);
662 };
663 
664 /*
665  * IOCTL.
666  */
667 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
668 				struct drm_file *filp);
669 
670 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
671 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
672 				    struct drm_file *filp);
673 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
674 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
675 				struct drm_file *filp);
676 
677 /* VRAM scratch page for HDP bug, default vram page */
678 struct amdgpu_vram_scratch {
679 	struct amdgpu_bo		*robj;
680 	volatile uint32_t		*ptr;
681 	u64				gpu_addr;
682 };
683 
684 /*
685  * ACPI
686  */
687 struct amdgpu_atcs_functions {
688 	bool get_ext_state;
689 	bool pcie_perf_req;
690 	bool pcie_dev_rdy;
691 	bool pcie_bus_width;
692 };
693 
694 struct amdgpu_atcs {
695 	struct amdgpu_atcs_functions functions;
696 };
697 
698 /*
699  * CGS
700  */
701 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
702 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
703 
704 /*
705  * Core structure, functions and helpers.
706  */
707 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
708 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
709 
710 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
711 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
712 
713 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
714 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
715 
716 struct amdgpu_mmio_remap {
717 	u32 reg_offset;
718 	resource_size_t bus_addr;
719 };
720 
721 /* Define the HW IP blocks will be used in driver , add more if necessary */
722 enum amd_hw_ip_block_type {
723 	GC_HWIP = 1,
724 	HDP_HWIP,
725 	SDMA0_HWIP,
726 	SDMA1_HWIP,
727 	SDMA2_HWIP,
728 	SDMA3_HWIP,
729 	SDMA4_HWIP,
730 	SDMA5_HWIP,
731 	SDMA6_HWIP,
732 	SDMA7_HWIP,
733 	MMHUB_HWIP,
734 	ATHUB_HWIP,
735 	NBIO_HWIP,
736 	MP0_HWIP,
737 	MP1_HWIP,
738 	UVD_HWIP,
739 	VCN_HWIP = UVD_HWIP,
740 	JPEG_HWIP = VCN_HWIP,
741 	VCE_HWIP,
742 	DF_HWIP,
743 	DCE_HWIP,
744 	OSSSYS_HWIP,
745 	SMUIO_HWIP,
746 	PWR_HWIP,
747 	NBIF_HWIP,
748 	THM_HWIP,
749 	CLK_HWIP,
750 	UMC_HWIP,
751 	RSMU_HWIP,
752 	MAX_HWIP
753 };
754 
755 #define HWIP_MAX_INSTANCE	8
756 
757 struct amd_powerplay {
758 	void *pp_handle;
759 	const struct amd_pm_funcs *pp_funcs;
760 };
761 
762 /* polaris10 kickers */
763 #define ASICID_IS_P20(did, rid)		(((did == 0x67DF) && \
764 					 ((rid == 0xE3) || \
765 					  (rid == 0xE4) || \
766 					  (rid == 0xE5) || \
767 					  (rid == 0xE7) || \
768 					  (rid == 0xEF))) || \
769 					 ((did == 0x6FDF) && \
770 					 ((rid == 0xE7) || \
771 					  (rid == 0xEF) || \
772 					  (rid == 0xFF))))
773 
774 #define ASICID_IS_P30(did, rid)		((did == 0x67DF) && \
775 					((rid == 0xE1) || \
776 					 (rid == 0xF7)))
777 
778 /* polaris11 kickers */
779 #define ASICID_IS_P21(did, rid)		(((did == 0x67EF) && \
780 					 ((rid == 0xE0) || \
781 					  (rid == 0xE5))) || \
782 					 ((did == 0x67FF) && \
783 					 ((rid == 0xCF) || \
784 					  (rid == 0xEF) || \
785 					  (rid == 0xFF))))
786 
787 #define ASICID_IS_P31(did, rid)		((did == 0x67EF) && \
788 					((rid == 0xE2)))
789 
790 /* polaris12 kickers */
791 #define ASICID_IS_P23(did, rid)		(((did == 0x6987) && \
792 					 ((rid == 0xC0) || \
793 					  (rid == 0xC1) || \
794 					  (rid == 0xC3) || \
795 					  (rid == 0xC7))) || \
796 					 ((did == 0x6981) && \
797 					 ((rid == 0x00) || \
798 					  (rid == 0x01) || \
799 					  (rid == 0x10))))
800 
801 #define AMDGPU_RESET_MAGIC_NUM 64
802 #define AMDGPU_MAX_DF_PERFMONS 4
803 struct amdgpu_device {
804 	struct device			*dev;
805 	struct pci_dev			*pdev;
806 	struct drm_device		ddev;
807 
808 #ifdef CONFIG_DRM_AMD_ACP
809 	struct amdgpu_acp		acp;
810 #endif
811 	struct amdgpu_hive_info *hive;
812 	/* ASIC */
813 	enum amd_asic_type		asic_type;
814 	uint32_t			family;
815 	uint32_t			rev_id;
816 	uint32_t			external_rev_id;
817 	unsigned long			flags;
818 	unsigned long			apu_flags;
819 	int				usec_timeout;
820 	const struct amdgpu_asic_funcs	*asic_funcs;
821 	bool				shutdown;
822 	bool				need_swiotlb;
823 	bool				accel_working;
824 	struct notifier_block		acpi_nb;
825 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
826 	struct debugfs_blob_wrapper     debugfs_vbios_blob;
827 	struct amdgpu_atif		*atif;
828 	struct amdgpu_atcs		atcs;
829 	struct mutex			srbm_mutex;
830 	/* GRBM index mutex. Protects concurrent access to GRBM index */
831 	struct mutex                    grbm_idx_mutex;
832 	struct dev_pm_domain		vga_pm_domain;
833 	bool				have_disp_power_ref;
834 	bool                            have_atomics_support;
835 
836 	/* BIOS */
837 	bool				is_atom_fw;
838 	uint8_t				*bios;
839 	uint32_t			bios_size;
840 	uint32_t			bios_scratch_reg_offset;
841 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
842 
843 	/* Register/doorbell mmio */
844 	resource_size_t			rmmio_base;
845 	resource_size_t			rmmio_size;
846 	void __iomem			*rmmio;
847 	/* protects concurrent MM_INDEX/DATA based register access */
848 	spinlock_t mmio_idx_lock;
849 	struct amdgpu_mmio_remap        rmmio_remap;
850 	/* protects concurrent SMC based register access */
851 	spinlock_t smc_idx_lock;
852 	amdgpu_rreg_t			smc_rreg;
853 	amdgpu_wreg_t			smc_wreg;
854 	/* protects concurrent PCIE register access */
855 	spinlock_t pcie_idx_lock;
856 	amdgpu_rreg_t			pcie_rreg;
857 	amdgpu_wreg_t			pcie_wreg;
858 	amdgpu_rreg_t			pciep_rreg;
859 	amdgpu_wreg_t			pciep_wreg;
860 	amdgpu_rreg64_t			pcie_rreg64;
861 	amdgpu_wreg64_t			pcie_wreg64;
862 	/* protects concurrent UVD register access */
863 	spinlock_t uvd_ctx_idx_lock;
864 	amdgpu_rreg_t			uvd_ctx_rreg;
865 	amdgpu_wreg_t			uvd_ctx_wreg;
866 	/* protects concurrent DIDT register access */
867 	spinlock_t didt_idx_lock;
868 	amdgpu_rreg_t			didt_rreg;
869 	amdgpu_wreg_t			didt_wreg;
870 	/* protects concurrent gc_cac register access */
871 	spinlock_t gc_cac_idx_lock;
872 	amdgpu_rreg_t			gc_cac_rreg;
873 	amdgpu_wreg_t			gc_cac_wreg;
874 	/* protects concurrent se_cac register access */
875 	spinlock_t se_cac_idx_lock;
876 	amdgpu_rreg_t			se_cac_rreg;
877 	amdgpu_wreg_t			se_cac_wreg;
878 	/* protects concurrent ENDPOINT (audio) register access */
879 	spinlock_t audio_endpt_idx_lock;
880 	amdgpu_block_rreg_t		audio_endpt_rreg;
881 	amdgpu_block_wreg_t		audio_endpt_wreg;
882 	struct amdgpu_doorbell		doorbell;
883 
884 	/* clock/pll info */
885 	struct amdgpu_clock            clock;
886 
887 	/* MC */
888 	struct amdgpu_gmc		gmc;
889 	struct amdgpu_gart		gart;
890 	dma_addr_t			dummy_page_addr;
891 	struct amdgpu_vm_manager	vm_manager;
892 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
893 	unsigned			num_vmhubs;
894 
895 	/* memory management */
896 	struct amdgpu_mman		mman;
897 	struct amdgpu_vram_scratch	vram_scratch;
898 	struct amdgpu_wb		wb;
899 	atomic64_t			num_bytes_moved;
900 	atomic64_t			num_evictions;
901 	atomic64_t			num_vram_cpu_page_faults;
902 	atomic_t			gpu_reset_counter;
903 	atomic_t			vram_lost_counter;
904 
905 	/* data for buffer migration throttling */
906 	struct {
907 		spinlock_t		lock;
908 		s64			last_update_us;
909 		s64			accum_us; /* accumulated microseconds */
910 		s64			accum_us_vis; /* for visible VRAM */
911 		u32			log2_max_MBps;
912 	} mm_stats;
913 
914 	/* display */
915 	bool				enable_virtual_display;
916 	struct amdgpu_mode_info		mode_info;
917 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
918 	struct work_struct		hotplug_work;
919 	struct amdgpu_irq_src		crtc_irq;
920 	struct amdgpu_irq_src		vline0_irq;
921 	struct amdgpu_irq_src		vupdate_irq;
922 	struct amdgpu_irq_src		pageflip_irq;
923 	struct amdgpu_irq_src		hpd_irq;
924 	struct amdgpu_irq_src		dmub_trace_irq;
925 	struct amdgpu_irq_src		dmub_outbox_irq;
926 
927 	/* rings */
928 	u64				fence_context;
929 	unsigned			num_rings;
930 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
931 	bool				ib_pool_ready;
932 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
933 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
934 
935 	/* interrupts */
936 	struct amdgpu_irq		irq;
937 
938 	/* powerplay */
939 	struct amd_powerplay		powerplay;
940 	bool				pp_force_state_enabled;
941 
942 	/* smu */
943 	struct smu_context		smu;
944 
945 	/* dpm */
946 	struct amdgpu_pm		pm;
947 	u32				cg_flags;
948 	u32				pg_flags;
949 
950 	/* nbio */
951 	struct amdgpu_nbio		nbio;
952 
953 	/* hdp */
954 	struct amdgpu_hdp		hdp;
955 
956 	/* smuio */
957 	struct amdgpu_smuio		smuio;
958 
959 	/* mmhub */
960 	struct amdgpu_mmhub		mmhub;
961 
962 	/* gfxhub */
963 	struct amdgpu_gfxhub		gfxhub;
964 
965 	/* gfx */
966 	struct amdgpu_gfx		gfx;
967 
968 	/* sdma */
969 	struct amdgpu_sdma		sdma;
970 
971 	/* uvd */
972 	struct amdgpu_uvd		uvd;
973 
974 	/* vce */
975 	struct amdgpu_vce		vce;
976 
977 	/* vcn */
978 	struct amdgpu_vcn		vcn;
979 
980 	/* jpeg */
981 	struct amdgpu_jpeg		jpeg;
982 
983 	/* firmwares */
984 	struct amdgpu_firmware		firmware;
985 
986 	/* PSP */
987 	struct psp_context		psp;
988 
989 	/* GDS */
990 	struct amdgpu_gds		gds;
991 
992 	/* KFD */
993 	struct amdgpu_kfd_dev		kfd;
994 
995 	/* UMC */
996 	struct amdgpu_umc		umc;
997 
998 	/* display related functionality */
999 	struct amdgpu_display_manager dm;
1000 
1001 	/* mes */
1002 	bool                            enable_mes;
1003 	struct amdgpu_mes               mes;
1004 
1005 	/* df */
1006 	struct amdgpu_df                df;
1007 
1008 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
1009 	uint32_t		        harvest_ip_mask;
1010 	int				num_ip_blocks;
1011 	struct mutex	mn_lock;
1012 	DECLARE_HASHTABLE(mn_hash, 7);
1013 
1014 	/* tracking pinned memory */
1015 	atomic64_t vram_pin_size;
1016 	atomic64_t visible_pin_size;
1017 	atomic64_t gart_pin_size;
1018 
1019 	/* soc15 register offset based on ip, instance and  segment */
1020 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1021 
1022 	/* delayed work_func for deferring clockgating during resume */
1023 	struct delayed_work     delayed_init_work;
1024 
1025 	struct amdgpu_virt	virt;
1026 
1027 	/* link all shadow bo */
1028 	struct list_head                shadow_list;
1029 	struct mutex                    shadow_list_lock;
1030 
1031 	/* record hw reset is performed */
1032 	bool has_hw_reset;
1033 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
1034 
1035 	/* s3/s4 mask */
1036 	bool                            in_suspend;
1037 	bool				in_s3;
1038 	bool				in_s4;
1039 	bool				in_s0ix;
1040 
1041 	atomic_t 			in_gpu_reset;
1042 	enum pp_mp1_state               mp1_state;
1043 	struct rw_semaphore reset_sem;
1044 	struct amdgpu_doorbell_index doorbell_index;
1045 
1046 	struct mutex			notifier_lock;
1047 
1048 	int asic_reset_res;
1049 	struct work_struct		xgmi_reset_work;
1050 	struct list_head		reset_list;
1051 
1052 	long				gfx_timeout;
1053 	long				sdma_timeout;
1054 	long				video_timeout;
1055 	long				compute_timeout;
1056 
1057 	uint64_t			unique_id;
1058 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1059 
1060 	/* enable runtime pm on the device */
1061 	bool                            runpm;
1062 	bool                            in_runpm;
1063 	bool                            has_pr3;
1064 
1065 	bool                            pm_sysfs_en;
1066 	bool                            ucode_sysfs_en;
1067 
1068 	/* Chip product information */
1069 	char				product_number[16];
1070 	char				product_name[32];
1071 	char				serial[20];
1072 
1073 	struct amdgpu_autodump		autodump;
1074 
1075 	atomic_t			throttling_logging_enabled;
1076 	struct ratelimit_state		throttling_logging_rs;
1077 	uint32_t			ras_features;
1078 
1079 	bool                            in_pci_err_recovery;
1080 	struct pci_saved_state          *pci_state;
1081 
1082 	struct amdgpu_reset_control     *reset_cntl;
1083 };
1084 
drm_to_adev(struct drm_device * ddev)1085 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1086 {
1087 	return container_of(ddev, struct amdgpu_device, ddev);
1088 }
1089 
adev_to_drm(struct amdgpu_device * adev)1090 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1091 {
1092 	return &adev->ddev;
1093 }
1094 
amdgpu_ttm_adev(struct ttm_device * bdev)1095 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1096 {
1097 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1098 }
1099 
1100 int amdgpu_device_init(struct amdgpu_device *adev,
1101 		       uint32_t flags);
1102 void amdgpu_device_fini(struct amdgpu_device *adev);
1103 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1104 
1105 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1106 			       uint32_t *buf, size_t size, bool write);
1107 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1108 			    uint32_t reg, uint32_t acc_flags);
1109 void amdgpu_device_wreg(struct amdgpu_device *adev,
1110 			uint32_t reg, uint32_t v,
1111 			uint32_t acc_flags);
1112 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1113 			     uint32_t reg, uint32_t v);
1114 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1115 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1116 
1117 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1118 				u32 pcie_index, u32 pcie_data,
1119 				u32 reg_addr);
1120 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1121 				  u32 pcie_index, u32 pcie_data,
1122 				  u32 reg_addr);
1123 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1124 				 u32 pcie_index, u32 pcie_data,
1125 				 u32 reg_addr, u32 reg_data);
1126 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1127 				   u32 pcie_index, u32 pcie_data,
1128 				   u32 reg_addr, u64 reg_data);
1129 
1130 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1131 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1132 
1133 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1134 				 struct amdgpu_reset_context *reset_context);
1135 
1136 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1137 			 struct amdgpu_reset_context *reset_context);
1138 
1139 int emu_soc_asic_init(struct amdgpu_device *adev);
1140 
1141 /*
1142  * Registers read & write functions.
1143  */
1144 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1145 
1146 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1147 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1148 
1149 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1150 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1151 
1152 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1153 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1154 
1155 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1156 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1157 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1158 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1159 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1160 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1161 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1162 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1163 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1164 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1165 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1166 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1167 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1168 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1169 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1170 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1171 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1172 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1173 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1174 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1175 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1176 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1177 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1178 #define WREG32_P(reg, val, mask)				\
1179 	do {							\
1180 		uint32_t tmp_ = RREG32(reg);			\
1181 		tmp_ &= (mask);					\
1182 		tmp_ |= ((val) & ~(mask));			\
1183 		WREG32(reg, tmp_);				\
1184 	} while (0)
1185 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1186 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1187 #define WREG32_PLL_P(reg, val, mask)				\
1188 	do {							\
1189 		uint32_t tmp_ = RREG32_PLL(reg);		\
1190 		tmp_ &= (mask);					\
1191 		tmp_ |= ((val) & ~(mask));			\
1192 		WREG32_PLL(reg, tmp_);				\
1193 	} while (0)
1194 
1195 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1196 	do {                                                    \
1197 		u32 tmp = RREG32_SMC(_Reg);                     \
1198 		tmp &= (_Mask);                                 \
1199 		tmp |= ((_Val) & ~(_Mask));                     \
1200 		WREG32_SMC(_Reg, tmp);                          \
1201 	} while (0)
1202 
1203 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1204 
1205 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1206 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1207 
1208 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1209 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1210 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1211 
1212 #define REG_GET_FIELD(value, reg, field)				\
1213 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1214 
1215 #define WREG32_FIELD(reg, field, val)	\
1216 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1217 
1218 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1219 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1220 
1221 /*
1222  * BIOS helpers.
1223  */
1224 #define RBIOS8(i) (adev->bios[i])
1225 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1226 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1227 
1228 /*
1229  * ASICs macro.
1230  */
1231 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1232 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1233 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1234 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1235 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1236 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1237 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1238 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1239 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1240 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1241 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1242 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1243 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1244 #define amdgpu_asic_flush_hdp(adev, r) \
1245 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1246 #define amdgpu_asic_invalidate_hdp(adev, r) \
1247 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : (adev)->hdp.funcs->invalidate_hdp((adev), (r)))
1248 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1249 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1250 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1251 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1252 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1253 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1254 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1255 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1256 	((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1257 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1258 
1259 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1260 
1261 /* Common functions */
1262 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1263 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1264 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1265 			      struct amdgpu_job* job);
1266 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1267 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1268 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1269 
1270 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1271 				  u64 num_vis_bytes);
1272 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1273 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1274 					     const u32 *registers,
1275 					     const u32 array_size);
1276 
1277 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1278 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1279 bool amdgpu_device_supports_px(struct drm_device *dev);
1280 bool amdgpu_device_supports_boco(struct drm_device *dev);
1281 bool amdgpu_device_supports_baco(struct drm_device *dev);
1282 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1283 				      struct amdgpu_device *peer_adev);
1284 int amdgpu_device_baco_enter(struct drm_device *dev);
1285 int amdgpu_device_baco_exit(struct drm_device *dev);
1286 
1287 /* atpx handler */
1288 #if defined(CONFIG_VGA_SWITCHEROO)
1289 void amdgpu_register_atpx_handler(void);
1290 void amdgpu_unregister_atpx_handler(void);
1291 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1292 bool amdgpu_is_atpx_hybrid(void);
1293 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1294 bool amdgpu_has_atpx(void);
1295 #else
amdgpu_register_atpx_handler(void)1296 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1297 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1298 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1299 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_atpx_dgpu_req_power_for_displays(void)1300 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
amdgpu_has_atpx(void)1301 static inline bool amdgpu_has_atpx(void) { return false; }
1302 #endif
1303 
1304 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1305 void *amdgpu_atpx_get_dhandle(void);
1306 #else
amdgpu_atpx_get_dhandle(void)1307 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1308 #endif
1309 
1310 /*
1311  * KMS
1312  */
1313 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1314 extern const int amdgpu_max_kms_ioctl;
1315 
1316 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1317 void amdgpu_driver_unload_kms(struct drm_device *dev);
1318 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1319 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1320 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1321 				 struct drm_file *file_priv);
1322 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1323 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1324 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1325 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1326 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1327 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1328 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1329 			     unsigned long arg);
1330 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1331 		      struct drm_file *filp);
1332 
1333 /*
1334  * functions used by amdgpu_encoder.c
1335  */
1336 struct amdgpu_afmt_acr {
1337 	u32 clock;
1338 
1339 	int n_32khz;
1340 	int cts_32khz;
1341 
1342 	int n_44_1khz;
1343 	int cts_44_1khz;
1344 
1345 	int n_48khz;
1346 	int cts_48khz;
1347 
1348 };
1349 
1350 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1351 
1352 /* amdgpu_acpi.c */
1353 #if defined(CONFIG_ACPI)
1354 int amdgpu_acpi_init(struct amdgpu_device *adev);
1355 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1356 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1357 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1358 						u8 perf_req, bool advertise);
1359 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1360 
1361 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1362 		struct amdgpu_dm_backlight_caps *caps);
1363 bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev);
1364 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1365 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_fini(struct amdgpu_device * adev)1366 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
amdgpu_acpi_is_s0ix_supported(struct amdgpu_device * adev)1367 static inline bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) { return false; }
1368 #endif
1369 
1370 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1371 			   uint64_t addr, struct amdgpu_bo **bo,
1372 			   struct amdgpu_bo_va_mapping **mapping);
1373 
1374 #if defined(CONFIG_DRM_AMD_DC)
1375 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1376 #else
amdgpu_dm_display_resume(struct amdgpu_device * adev)1377 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1378 #endif
1379 
1380 
1381 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1382 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1383 
1384 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1385 					   pci_channel_state_t state);
1386 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1387 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1388 void amdgpu_pci_resume(struct pci_dev *pdev);
1389 
1390 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1391 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1392 
1393 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1394 
1395 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1396 			       enum amd_clockgating_state state);
1397 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1398 			       enum amd_powergating_state state);
1399 
1400 #include "amdgpu_object.h"
1401 
amdgpu_is_tmz(struct amdgpu_device * adev)1402 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1403 {
1404        return adev->gmc.tmz_enabled;
1405 }
1406 
amdgpu_in_reset(struct amdgpu_device * adev)1407 static inline int amdgpu_in_reset(struct amdgpu_device *adev)
1408 {
1409 	return atomic_read(&adev->in_gpu_reset);
1410 }
1411 #endif
1412