xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 7b73a9c8)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __AMDGPU_H__
29 #define __AMDGPU_H__
30 
31 #include "amdgpu_ctx.h"
32 
33 #include <linux/atomic.h>
34 #include <linux/wait.h>
35 #include <linux/list.h>
36 #include <linux/kref.h>
37 #include <linux/rbtree.h>
38 #include <linux/hashtable.h>
39 #include <linux/dma-fence.h>
40 
41 #include <drm/ttm/ttm_bo_api.h>
42 #include <drm/ttm/ttm_bo_driver.h>
43 #include <drm/ttm/ttm_placement.h>
44 #include <drm/ttm/ttm_module.h>
45 #include <drm/ttm/ttm_execbuf_util.h>
46 
47 #include <drm/amdgpu_drm.h>
48 #include <drm/drm_gem.h>
49 #include <drm/drm_ioctl.h>
50 #include <drm/gpu_scheduler.h>
51 
52 #include <kgd_kfd_interface.h>
53 #include "dm_pp_interface.h"
54 #include "kgd_pp_interface.h"
55 
56 #include "amd_shared.h"
57 #include "amdgpu_mode.h"
58 #include "amdgpu_ih.h"
59 #include "amdgpu_irq.h"
60 #include "amdgpu_ucode.h"
61 #include "amdgpu_ttm.h"
62 #include "amdgpu_psp.h"
63 #include "amdgpu_gds.h"
64 #include "amdgpu_sync.h"
65 #include "amdgpu_ring.h"
66 #include "amdgpu_vm.h"
67 #include "amdgpu_dpm.h"
68 #include "amdgpu_acp.h"
69 #include "amdgpu_uvd.h"
70 #include "amdgpu_vce.h"
71 #include "amdgpu_vcn.h"
72 #include "amdgpu_mn.h"
73 #include "amdgpu_gmc.h"
74 #include "amdgpu_gfx.h"
75 #include "amdgpu_sdma.h"
76 #include "amdgpu_nbio.h"
77 #include "amdgpu_dm.h"
78 #include "amdgpu_virt.h"
79 #include "amdgpu_csa.h"
80 #include "amdgpu_gart.h"
81 #include "amdgpu_debugfs.h"
82 #include "amdgpu_job.h"
83 #include "amdgpu_bo_list.h"
84 #include "amdgpu_gem.h"
85 #include "amdgpu_doorbell.h"
86 #include "amdgpu_amdkfd.h"
87 #include "amdgpu_smu.h"
88 #include "amdgpu_discovery.h"
89 #include "amdgpu_mes.h"
90 #include "amdgpu_umc.h"
91 #include "amdgpu_mmhub.h"
92 
93 #define MAX_GPU_INSTANCE		16
94 
95 struct amdgpu_gpu_instance
96 {
97 	struct amdgpu_device		*adev;
98 	int				mgpu_fan_enabled;
99 };
100 
101 struct amdgpu_mgpu_info
102 {
103 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
104 	struct mutex			mutex;
105 	uint32_t			num_gpu;
106 	uint32_t			num_dgpu;
107 	uint32_t			num_apu;
108 };
109 
110 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
111 
112 /*
113  * Modules parameters.
114  */
115 extern int amdgpu_modeset;
116 extern int amdgpu_vram_limit;
117 extern int amdgpu_vis_vram_limit;
118 extern int amdgpu_gart_size;
119 extern int amdgpu_gtt_size;
120 extern int amdgpu_moverate;
121 extern int amdgpu_benchmarking;
122 extern int amdgpu_testing;
123 extern int amdgpu_audio;
124 extern int amdgpu_disp_priority;
125 extern int amdgpu_hw_i2c;
126 extern int amdgpu_pcie_gen2;
127 extern int amdgpu_msi;
128 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
129 extern int amdgpu_dpm;
130 extern int amdgpu_fw_load_type;
131 extern int amdgpu_aspm;
132 extern int amdgpu_runtime_pm;
133 extern uint amdgpu_ip_block_mask;
134 extern int amdgpu_bapm;
135 extern int amdgpu_deep_color;
136 extern int amdgpu_vm_size;
137 extern int amdgpu_vm_block_size;
138 extern int amdgpu_vm_fragment_size;
139 extern int amdgpu_vm_fault_stop;
140 extern int amdgpu_vm_debug;
141 extern int amdgpu_vm_update_mode;
142 extern int amdgpu_exp_hw_support;
143 extern int amdgpu_dc;
144 extern int amdgpu_sched_jobs;
145 extern int amdgpu_sched_hw_submission;
146 extern uint amdgpu_pcie_gen_cap;
147 extern uint amdgpu_pcie_lane_cap;
148 extern uint amdgpu_cg_mask;
149 extern uint amdgpu_pg_mask;
150 extern uint amdgpu_sdma_phase_quantum;
151 extern char *amdgpu_disable_cu;
152 extern char *amdgpu_virtual_display;
153 extern uint amdgpu_pp_feature_mask;
154 extern uint amdgpu_force_long_training;
155 extern int amdgpu_job_hang_limit;
156 extern int amdgpu_lbpw;
157 extern int amdgpu_compute_multipipe;
158 extern int amdgpu_gpu_recovery;
159 extern int amdgpu_emu_mode;
160 extern uint amdgpu_smu_memory_pool_size;
161 extern uint amdgpu_dc_feature_mask;
162 extern uint amdgpu_dm_abm_level;
163 extern struct amdgpu_mgpu_info mgpu_info;
164 extern int amdgpu_ras_enable;
165 extern uint amdgpu_ras_mask;
166 extern int amdgpu_async_gfx_ring;
167 extern int amdgpu_mcbp;
168 extern int amdgpu_discovery;
169 extern int amdgpu_mes;
170 extern int amdgpu_noretry;
171 extern int amdgpu_force_asic_type;
172 #ifdef CONFIG_HSA_AMD
173 extern int sched_policy;
174 #else
175 static const int sched_policy = KFD_SCHED_POLICY_HWS;
176 #endif
177 
178 #ifdef CONFIG_DRM_AMDGPU_SI
179 extern int amdgpu_si_support;
180 #endif
181 #ifdef CONFIG_DRM_AMDGPU_CIK
182 extern int amdgpu_cik_support;
183 #endif
184 
185 #define AMDGPU_VM_MAX_NUM_CTX			4096
186 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
187 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
188 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
189 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
190 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
191 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
192 #define AMDGPU_IB_POOL_SIZE			16
193 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
194 #define AMDGPUFB_CONN_LIMIT			4
195 #define AMDGPU_BIOS_NUM_SCRATCH			16
196 
197 /* hard reset data */
198 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
199 
200 /* reset flags */
201 #define AMDGPU_RESET_GFX			(1 << 0)
202 #define AMDGPU_RESET_COMPUTE			(1 << 1)
203 #define AMDGPU_RESET_DMA			(1 << 2)
204 #define AMDGPU_RESET_CP				(1 << 3)
205 #define AMDGPU_RESET_GRBM			(1 << 4)
206 #define AMDGPU_RESET_DMA1			(1 << 5)
207 #define AMDGPU_RESET_RLC			(1 << 6)
208 #define AMDGPU_RESET_SEM			(1 << 7)
209 #define AMDGPU_RESET_IH				(1 << 8)
210 #define AMDGPU_RESET_VMC			(1 << 9)
211 #define AMDGPU_RESET_MC				(1 << 10)
212 #define AMDGPU_RESET_DISPLAY			(1 << 11)
213 #define AMDGPU_RESET_UVD			(1 << 12)
214 #define AMDGPU_RESET_VCE			(1 << 13)
215 #define AMDGPU_RESET_VCE1			(1 << 14)
216 
217 /* max cursor sizes (in pixels) */
218 #define CIK_CURSOR_WIDTH 128
219 #define CIK_CURSOR_HEIGHT 128
220 
221 struct amdgpu_device;
222 struct amdgpu_ib;
223 struct amdgpu_cs_parser;
224 struct amdgpu_job;
225 struct amdgpu_irq_src;
226 struct amdgpu_fpriv;
227 struct amdgpu_bo_va_mapping;
228 struct amdgpu_atif;
229 struct kfd_vm_fault_info;
230 
231 enum amdgpu_cp_irq {
232 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
233 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
234 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
235 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
236 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
237 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
238 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
239 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
240 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
241 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
242 
243 	AMDGPU_CP_IRQ_LAST
244 };
245 
246 enum amdgpu_thermal_irq {
247 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
248 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
249 
250 	AMDGPU_THERMAL_IRQ_LAST
251 };
252 
253 enum amdgpu_kiq_irq {
254 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
255 	AMDGPU_CP_KIQ_IRQ_LAST
256 };
257 
258 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
259 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
260 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
261 
262 int amdgpu_device_ip_set_clockgating_state(void *dev,
263 					   enum amd_ip_block_type block_type,
264 					   enum amd_clockgating_state state);
265 int amdgpu_device_ip_set_powergating_state(void *dev,
266 					   enum amd_ip_block_type block_type,
267 					   enum amd_powergating_state state);
268 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
269 					    u32 *flags);
270 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
271 				   enum amd_ip_block_type block_type);
272 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
273 			      enum amd_ip_block_type block_type);
274 
275 #define AMDGPU_MAX_IP_NUM 16
276 
277 struct amdgpu_ip_block_status {
278 	bool valid;
279 	bool sw;
280 	bool hw;
281 	bool late_initialized;
282 	bool hang;
283 };
284 
285 struct amdgpu_ip_block_version {
286 	const enum amd_ip_block_type type;
287 	const u32 major;
288 	const u32 minor;
289 	const u32 rev;
290 	const struct amd_ip_funcs *funcs;
291 };
292 
293 #define HW_REV(_Major, _Minor, _Rev) \
294 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
295 
296 struct amdgpu_ip_block {
297 	struct amdgpu_ip_block_status status;
298 	const struct amdgpu_ip_block_version *version;
299 };
300 
301 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
302 				       enum amd_ip_block_type type,
303 				       u32 major, u32 minor);
304 
305 struct amdgpu_ip_block *
306 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
307 			      enum amd_ip_block_type type);
308 
309 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
310 			       const struct amdgpu_ip_block_version *ip_block_version);
311 
312 /*
313  * BIOS.
314  */
315 bool amdgpu_get_bios(struct amdgpu_device *adev);
316 bool amdgpu_read_bios(struct amdgpu_device *adev);
317 
318 /*
319  * Clocks
320  */
321 
322 #define AMDGPU_MAX_PPLL 3
323 
324 struct amdgpu_clock {
325 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
326 	struct amdgpu_pll spll;
327 	struct amdgpu_pll mpll;
328 	/* 10 Khz units */
329 	uint32_t default_mclk;
330 	uint32_t default_sclk;
331 	uint32_t default_dispclk;
332 	uint32_t current_dispclk;
333 	uint32_t dp_extclk;
334 	uint32_t max_pixel_clock;
335 };
336 
337 /* sub-allocation manager, it has to be protected by another lock.
338  * By conception this is an helper for other part of the driver
339  * like the indirect buffer or semaphore, which both have their
340  * locking.
341  *
342  * Principe is simple, we keep a list of sub allocation in offset
343  * order (first entry has offset == 0, last entry has the highest
344  * offset).
345  *
346  * When allocating new object we first check if there is room at
347  * the end total_size - (last_object_offset + last_object_size) >=
348  * alloc_size. If so we allocate new object there.
349  *
350  * When there is not enough room at the end, we start waiting for
351  * each sub object until we reach object_offset+object_size >=
352  * alloc_size, this object then become the sub object we return.
353  *
354  * Alignment can't be bigger than page size.
355  *
356  * Hole are not considered for allocation to keep things simple.
357  * Assumption is that there won't be hole (all object on same
358  * alignment).
359  */
360 
361 #define AMDGPU_SA_NUM_FENCE_LISTS	32
362 
363 struct amdgpu_sa_manager {
364 	wait_queue_head_t	wq;
365 	struct amdgpu_bo	*bo;
366 	struct list_head	*hole;
367 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
368 	struct list_head	olist;
369 	unsigned		size;
370 	uint64_t		gpu_addr;
371 	void			*cpu_ptr;
372 	uint32_t		domain;
373 	uint32_t		align;
374 };
375 
376 /* sub-allocation buffer */
377 struct amdgpu_sa_bo {
378 	struct list_head		olist;
379 	struct list_head		flist;
380 	struct amdgpu_sa_manager	*manager;
381 	unsigned			soffset;
382 	unsigned			eoffset;
383 	struct dma_fence	        *fence;
384 };
385 
386 int amdgpu_fence_slab_init(void);
387 void amdgpu_fence_slab_fini(void);
388 
389 /*
390  * IRQS.
391  */
392 
393 struct amdgpu_flip_work {
394 	struct delayed_work		flip_work;
395 	struct work_struct		unpin_work;
396 	struct amdgpu_device		*adev;
397 	int				crtc_id;
398 	u32				target_vblank;
399 	uint64_t			base;
400 	struct drm_pending_vblank_event *event;
401 	struct amdgpu_bo		*old_abo;
402 	struct dma_fence		*excl;
403 	unsigned			shared_count;
404 	struct dma_fence		**shared;
405 	struct dma_fence_cb		cb;
406 	bool				async;
407 };
408 
409 
410 /*
411  * CP & rings.
412  */
413 
414 struct amdgpu_ib {
415 	struct amdgpu_sa_bo		*sa_bo;
416 	uint32_t			length_dw;
417 	uint64_t			gpu_addr;
418 	uint32_t			*ptr;
419 	uint32_t			flags;
420 };
421 
422 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
423 
424 /*
425  * file private structure
426  */
427 
428 struct amdgpu_fpriv {
429 	struct amdgpu_vm	vm;
430 	struct amdgpu_bo_va	*prt_va;
431 	struct amdgpu_bo_va	*csa_va;
432 	struct mutex		bo_list_lock;
433 	struct idr		bo_list_handles;
434 	struct amdgpu_ctx_mgr	ctx_mgr;
435 };
436 
437 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
438 
439 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
440 		  unsigned size, struct amdgpu_ib *ib);
441 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
442 		    struct dma_fence *f);
443 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
444 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
445 		       struct dma_fence **f);
446 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
447 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
448 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
449 
450 /*
451  * CS.
452  */
453 struct amdgpu_cs_chunk {
454 	uint32_t		chunk_id;
455 	uint32_t		length_dw;
456 	void			*kdata;
457 };
458 
459 struct amdgpu_cs_post_dep {
460 	struct drm_syncobj *syncobj;
461 	struct dma_fence_chain *chain;
462 	u64 point;
463 };
464 
465 struct amdgpu_cs_parser {
466 	struct amdgpu_device	*adev;
467 	struct drm_file		*filp;
468 	struct amdgpu_ctx	*ctx;
469 
470 	/* chunks */
471 	unsigned		nchunks;
472 	struct amdgpu_cs_chunk	*chunks;
473 
474 	/* scheduler job object */
475 	struct amdgpu_job	*job;
476 	struct drm_sched_entity	*entity;
477 
478 	/* buffer objects */
479 	struct ww_acquire_ctx		ticket;
480 	struct amdgpu_bo_list		*bo_list;
481 	struct amdgpu_mn		*mn;
482 	struct amdgpu_bo_list_entry	vm_pd;
483 	struct list_head		validated;
484 	struct dma_fence		*fence;
485 	uint64_t			bytes_moved_threshold;
486 	uint64_t			bytes_moved_vis_threshold;
487 	uint64_t			bytes_moved;
488 	uint64_t			bytes_moved_vis;
489 
490 	/* user fence */
491 	struct amdgpu_bo_list_entry	uf_entry;
492 
493 	unsigned			num_post_deps;
494 	struct amdgpu_cs_post_dep	*post_deps;
495 };
496 
497 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
498 				      uint32_t ib_idx, int idx)
499 {
500 	return p->job->ibs[ib_idx].ptr[idx];
501 }
502 
503 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
504 				       uint32_t ib_idx, int idx,
505 				       uint32_t value)
506 {
507 	p->job->ibs[ib_idx].ptr[idx] = value;
508 }
509 
510 /*
511  * Writeback
512  */
513 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
514 
515 struct amdgpu_wb {
516 	struct amdgpu_bo	*wb_obj;
517 	volatile uint32_t	*wb;
518 	uint64_t		gpu_addr;
519 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
520 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
521 };
522 
523 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
524 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
525 
526 /*
527  * Benchmarking
528  */
529 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
530 
531 
532 /*
533  * Testing
534  */
535 void amdgpu_test_moves(struct amdgpu_device *adev);
536 
537 /*
538  * ASIC specific register table accessible by UMD
539  */
540 struct amdgpu_allowed_register_entry {
541 	uint32_t reg_offset;
542 	bool grbm_indexed;
543 };
544 
545 enum amd_reset_method {
546 	AMD_RESET_METHOD_LEGACY = 0,
547 	AMD_RESET_METHOD_MODE0,
548 	AMD_RESET_METHOD_MODE1,
549 	AMD_RESET_METHOD_MODE2,
550 	AMD_RESET_METHOD_BACO
551 };
552 
553 /*
554  * ASIC specific functions.
555  */
556 struct amdgpu_asic_funcs {
557 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
558 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
559 				   u8 *bios, u32 length_bytes);
560 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
561 			     u32 sh_num, u32 reg_offset, u32 *value);
562 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
563 	int (*reset)(struct amdgpu_device *adev);
564 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
565 	/* get the reference clock */
566 	u32 (*get_xclk)(struct amdgpu_device *adev);
567 	/* MM block clocks */
568 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
569 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
570 	/* static power management */
571 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
572 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
573 	/* get config memsize register */
574 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
575 	/* flush hdp write queue */
576 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
577 	/* invalidate hdp read cache */
578 	void (*invalidate_hdp)(struct amdgpu_device *adev,
579 			       struct amdgpu_ring *ring);
580 	/* check if the asic needs a full reset of if soft reset will work */
581 	bool (*need_full_reset)(struct amdgpu_device *adev);
582 	/* initialize doorbell layout for specific asic*/
583 	void (*init_doorbell_index)(struct amdgpu_device *adev);
584 	/* PCIe bandwidth usage */
585 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
586 			       uint64_t *count1);
587 	/* do we need to reset the asic at init time (e.g., kexec) */
588 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
589 	/* PCIe replay counter */
590 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
591 };
592 
593 /*
594  * IOCTL.
595  */
596 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
597 				struct drm_file *filp);
598 
599 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
600 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
601 				    struct drm_file *filp);
602 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
603 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
604 				struct drm_file *filp);
605 
606 /* VRAM scratch page for HDP bug, default vram page */
607 struct amdgpu_vram_scratch {
608 	struct amdgpu_bo		*robj;
609 	volatile uint32_t		*ptr;
610 	u64				gpu_addr;
611 };
612 
613 /*
614  * ACPI
615  */
616 struct amdgpu_atcs_functions {
617 	bool get_ext_state;
618 	bool pcie_perf_req;
619 	bool pcie_dev_rdy;
620 	bool pcie_bus_width;
621 };
622 
623 struct amdgpu_atcs {
624 	struct amdgpu_atcs_functions functions;
625 };
626 
627 /*
628  * Firmware VRAM reservation
629  */
630 struct amdgpu_fw_vram_usage {
631 	u64 start_offset;
632 	u64 size;
633 	struct amdgpu_bo *reserved_bo;
634 	void *va;
635 
636 	/* Offset on the top of VRAM, used as c2p write buffer.
637 	*/
638 	u64 mem_train_fb_loc;
639 	bool mem_train_support;
640 };
641 
642 /*
643  * CGS
644  */
645 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
646 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
647 
648 /*
649  * Core structure, functions and helpers.
650  */
651 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
652 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
653 
654 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
655 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
656 
657 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
658 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
659 
660 struct amdgpu_mmio_remap {
661 	u32 reg_offset;
662 	resource_size_t bus_addr;
663 };
664 
665 struct amdgpu_df_funcs {
666 	void (*sw_init)(struct amdgpu_device *adev);
667 	void (*sw_fini)(struct amdgpu_device *adev);
668 	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
669 				      bool enable);
670 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
671 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
672 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
673 						 bool enable);
674 	void (*get_clockgating_state)(struct amdgpu_device *adev,
675 				      u32 *flags);
676 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
677 					    bool enable);
678 	int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
679 					 int is_enable);
680 	int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
681 					 int is_disable);
682 	void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
683 					 uint64_t *count);
684 	uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
685 	void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
686 			 uint32_t ficadl_val, uint32_t ficadh_val);
687 };
688 /* Define the HW IP blocks will be used in driver , add more if necessary */
689 enum amd_hw_ip_block_type {
690 	GC_HWIP = 1,
691 	HDP_HWIP,
692 	SDMA0_HWIP,
693 	SDMA1_HWIP,
694 	SDMA2_HWIP,
695 	SDMA3_HWIP,
696 	SDMA4_HWIP,
697 	SDMA5_HWIP,
698 	SDMA6_HWIP,
699 	SDMA7_HWIP,
700 	MMHUB_HWIP,
701 	ATHUB_HWIP,
702 	NBIO_HWIP,
703 	MP0_HWIP,
704 	MP1_HWIP,
705 	UVD_HWIP,
706 	VCN_HWIP = UVD_HWIP,
707 	VCE_HWIP,
708 	DF_HWIP,
709 	DCE_HWIP,
710 	OSSSYS_HWIP,
711 	SMUIO_HWIP,
712 	PWR_HWIP,
713 	NBIF_HWIP,
714 	THM_HWIP,
715 	CLK_HWIP,
716 	UMC_HWIP,
717 	RSMU_HWIP,
718 	MAX_HWIP
719 };
720 
721 #define HWIP_MAX_INSTANCE	8
722 
723 struct amd_powerplay {
724 	void *pp_handle;
725 	const struct amd_pm_funcs *pp_funcs;
726 };
727 
728 #define AMDGPU_RESET_MAGIC_NUM 64
729 #define AMDGPU_MAX_DF_PERFMONS 4
730 struct amdgpu_device {
731 	struct device			*dev;
732 	struct drm_device		*ddev;
733 	struct pci_dev			*pdev;
734 
735 #ifdef CONFIG_DRM_AMD_ACP
736 	struct amdgpu_acp		acp;
737 #endif
738 
739 	/* ASIC */
740 	enum amd_asic_type		asic_type;
741 	uint32_t			family;
742 	uint32_t			rev_id;
743 	uint32_t			external_rev_id;
744 	unsigned long			flags;
745 	int				usec_timeout;
746 	const struct amdgpu_asic_funcs	*asic_funcs;
747 	bool				shutdown;
748 	bool				need_swiotlb;
749 	bool				accel_working;
750 	struct notifier_block		acpi_nb;
751 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
752 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
753 	unsigned			debugfs_count;
754 #if defined(CONFIG_DEBUG_FS)
755 	struct dentry                   *debugfs_preempt;
756 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
757 #endif
758 	struct amdgpu_atif		*atif;
759 	struct amdgpu_atcs		atcs;
760 	struct mutex			srbm_mutex;
761 	/* GRBM index mutex. Protects concurrent access to GRBM index */
762 	struct mutex                    grbm_idx_mutex;
763 	struct dev_pm_domain		vga_pm_domain;
764 	bool				have_disp_power_ref;
765 	bool                            have_atomics_support;
766 
767 	/* BIOS */
768 	bool				is_atom_fw;
769 	uint8_t				*bios;
770 	uint32_t			bios_size;
771 	struct amdgpu_bo		*stolen_vga_memory;
772 	struct amdgpu_bo		*discovery_memory;
773 	uint32_t			bios_scratch_reg_offset;
774 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
775 
776 	/* Register/doorbell mmio */
777 	resource_size_t			rmmio_base;
778 	resource_size_t			rmmio_size;
779 	void __iomem			*rmmio;
780 	/* protects concurrent MM_INDEX/DATA based register access */
781 	spinlock_t mmio_idx_lock;
782 	struct amdgpu_mmio_remap        rmmio_remap;
783 	/* protects concurrent SMC based register access */
784 	spinlock_t smc_idx_lock;
785 	amdgpu_rreg_t			smc_rreg;
786 	amdgpu_wreg_t			smc_wreg;
787 	/* protects concurrent PCIE register access */
788 	spinlock_t pcie_idx_lock;
789 	amdgpu_rreg_t			pcie_rreg;
790 	amdgpu_wreg_t			pcie_wreg;
791 	amdgpu_rreg_t			pciep_rreg;
792 	amdgpu_wreg_t			pciep_wreg;
793 	amdgpu_rreg64_t			pcie_rreg64;
794 	amdgpu_wreg64_t			pcie_wreg64;
795 	/* protects concurrent UVD register access */
796 	spinlock_t uvd_ctx_idx_lock;
797 	amdgpu_rreg_t			uvd_ctx_rreg;
798 	amdgpu_wreg_t			uvd_ctx_wreg;
799 	/* protects concurrent DIDT register access */
800 	spinlock_t didt_idx_lock;
801 	amdgpu_rreg_t			didt_rreg;
802 	amdgpu_wreg_t			didt_wreg;
803 	/* protects concurrent gc_cac register access */
804 	spinlock_t gc_cac_idx_lock;
805 	amdgpu_rreg_t			gc_cac_rreg;
806 	amdgpu_wreg_t			gc_cac_wreg;
807 	/* protects concurrent se_cac register access */
808 	spinlock_t se_cac_idx_lock;
809 	amdgpu_rreg_t			se_cac_rreg;
810 	amdgpu_wreg_t			se_cac_wreg;
811 	/* protects concurrent ENDPOINT (audio) register access */
812 	spinlock_t audio_endpt_idx_lock;
813 	amdgpu_block_rreg_t		audio_endpt_rreg;
814 	amdgpu_block_wreg_t		audio_endpt_wreg;
815 	void __iomem                    *rio_mem;
816 	resource_size_t			rio_mem_size;
817 	struct amdgpu_doorbell		doorbell;
818 
819 	/* clock/pll info */
820 	struct amdgpu_clock            clock;
821 
822 	/* MC */
823 	struct amdgpu_gmc		gmc;
824 	struct amdgpu_gart		gart;
825 	dma_addr_t			dummy_page_addr;
826 	struct amdgpu_vm_manager	vm_manager;
827 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
828 	unsigned			num_vmhubs;
829 
830 	/* memory management */
831 	struct amdgpu_mman		mman;
832 	struct amdgpu_vram_scratch	vram_scratch;
833 	struct amdgpu_wb		wb;
834 	atomic64_t			num_bytes_moved;
835 	atomic64_t			num_evictions;
836 	atomic64_t			num_vram_cpu_page_faults;
837 	atomic_t			gpu_reset_counter;
838 	atomic_t			vram_lost_counter;
839 
840 	/* data for buffer migration throttling */
841 	struct {
842 		spinlock_t		lock;
843 		s64			last_update_us;
844 		s64			accum_us; /* accumulated microseconds */
845 		s64			accum_us_vis; /* for visible VRAM */
846 		u32			log2_max_MBps;
847 	} mm_stats;
848 
849 	/* display */
850 	bool				enable_virtual_display;
851 	struct amdgpu_mode_info		mode_info;
852 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
853 	struct work_struct		hotplug_work;
854 	struct amdgpu_irq_src		crtc_irq;
855 	struct amdgpu_irq_src		vupdate_irq;
856 	struct amdgpu_irq_src		pageflip_irq;
857 	struct amdgpu_irq_src		hpd_irq;
858 
859 	/* rings */
860 	u64				fence_context;
861 	unsigned			num_rings;
862 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
863 	bool				ib_pool_ready;
864 	struct amdgpu_sa_manager	ring_tmp_bo;
865 
866 	/* interrupts */
867 	struct amdgpu_irq		irq;
868 
869 	/* powerplay */
870 	struct amd_powerplay		powerplay;
871 	bool				pp_force_state_enabled;
872 
873 	/* smu */
874 	struct smu_context		smu;
875 
876 	/* dpm */
877 	struct amdgpu_pm		pm;
878 	u32				cg_flags;
879 	u32				pg_flags;
880 
881 	/* nbio */
882 	struct amdgpu_nbio		nbio;
883 
884 	/* mmhub */
885 	struct amdgpu_mmhub		mmhub;
886 
887 	/* gfx */
888 	struct amdgpu_gfx		gfx;
889 
890 	/* sdma */
891 	struct amdgpu_sdma		sdma;
892 
893 	/* uvd */
894 	struct amdgpu_uvd		uvd;
895 
896 	/* vce */
897 	struct amdgpu_vce		vce;
898 
899 	/* vcn */
900 	struct amdgpu_vcn		vcn;
901 
902 	/* firmwares */
903 	struct amdgpu_firmware		firmware;
904 
905 	/* PSP */
906 	struct psp_context		psp;
907 
908 	/* GDS */
909 	struct amdgpu_gds		gds;
910 
911 	/* KFD */
912 	struct amdgpu_kfd_dev		kfd;
913 
914 	/* UMC */
915 	struct amdgpu_umc		umc;
916 
917 	/* display related functionality */
918 	struct amdgpu_display_manager dm;
919 
920 	/* discovery */
921 	uint8_t				*discovery;
922 
923 	/* mes */
924 	bool                            enable_mes;
925 	struct amdgpu_mes               mes;
926 
927 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
928 	int				num_ip_blocks;
929 	struct mutex	mn_lock;
930 	DECLARE_HASHTABLE(mn_hash, 7);
931 
932 	/* tracking pinned memory */
933 	atomic64_t vram_pin_size;
934 	atomic64_t visible_pin_size;
935 	atomic64_t gart_pin_size;
936 
937 	/* soc15 register offset based on ip, instance and  segment */
938 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
939 
940 	const struct amdgpu_df_funcs	*df_funcs;
941 
942 	/* delayed work_func for deferring clockgating during resume */
943 	struct delayed_work     delayed_init_work;
944 
945 	struct amdgpu_virt	virt;
946 	/* firmware VRAM reservation */
947 	struct amdgpu_fw_vram_usage fw_vram_usage;
948 
949 	/* link all shadow bo */
950 	struct list_head                shadow_list;
951 	struct mutex                    shadow_list_lock;
952 	/* keep an lru list of rings by HW IP */
953 	struct list_head		ring_lru_list;
954 	spinlock_t			ring_lru_list_lock;
955 
956 	/* record hw reset is performed */
957 	bool has_hw_reset;
958 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
959 
960 	/* s3/s4 mask */
961 	bool                            in_suspend;
962 
963 	/* record last mm index being written through WREG32*/
964 	unsigned long last_mm_index;
965 	bool                            in_gpu_reset;
966 	enum pp_mp1_state               mp1_state;
967 	struct mutex  lock_reset;
968 	struct amdgpu_doorbell_index doorbell_index;
969 
970 	struct mutex			notifier_lock;
971 
972 	int asic_reset_res;
973 	struct work_struct		xgmi_reset_work;
974 
975 	long				gfx_timeout;
976 	long				sdma_timeout;
977 	long				video_timeout;
978 	long				compute_timeout;
979 
980 	uint64_t			unique_id;
981 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
982 
983 	/* device pstate */
984 	int				pstate;
985 };
986 
987 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
988 {
989 	return container_of(bdev, struct amdgpu_device, mman.bdev);
990 }
991 
992 int amdgpu_device_init(struct amdgpu_device *adev,
993 		       struct drm_device *ddev,
994 		       struct pci_dev *pdev,
995 		       uint32_t flags);
996 void amdgpu_device_fini(struct amdgpu_device *adev);
997 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
998 
999 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1000 			       uint32_t *buf, size_t size, bool write);
1001 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1002 			uint32_t acc_flags);
1003 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1004 		    uint32_t acc_flags);
1005 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1006 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1007 
1008 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1009 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1010 
1011 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1012 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1013 
1014 int emu_soc_asic_init(struct amdgpu_device *adev);
1015 
1016 /*
1017  * Registers read & write functions.
1018  */
1019 
1020 #define AMDGPU_REGS_IDX       (1<<0)
1021 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1022 
1023 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1024 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1025 
1026 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1027 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1028 
1029 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1030 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1031 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1032 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1033 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1034 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1035 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1036 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1037 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1038 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1039 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1040 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1041 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1042 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1043 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1044 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1045 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1046 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1047 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1048 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1049 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1050 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1051 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1052 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1053 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1054 #define WREG32_P(reg, val, mask)				\
1055 	do {							\
1056 		uint32_t tmp_ = RREG32(reg);			\
1057 		tmp_ &= (mask);					\
1058 		tmp_ |= ((val) & ~(mask));			\
1059 		WREG32(reg, tmp_);				\
1060 	} while (0)
1061 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1062 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1063 #define WREG32_PLL_P(reg, val, mask)				\
1064 	do {							\
1065 		uint32_t tmp_ = RREG32_PLL(reg);		\
1066 		tmp_ &= (mask);					\
1067 		tmp_ |= ((val) & ~(mask));			\
1068 		WREG32_PLL(reg, tmp_);				\
1069 	} while (0)
1070 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1071 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1072 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1073 
1074 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1075 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1076 
1077 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1078 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1079 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1080 
1081 #define REG_GET_FIELD(value, reg, field)				\
1082 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1083 
1084 #define WREG32_FIELD(reg, field, val)	\
1085 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1086 
1087 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1088 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1089 
1090 /*
1091  * BIOS helpers.
1092  */
1093 #define RBIOS8(i) (adev->bios[i])
1094 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1095 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1096 
1097 /*
1098  * ASICs macro.
1099  */
1100 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1101 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1102 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1103 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1104 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1105 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1106 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1107 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1108 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1109 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1110 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1111 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1112 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1113 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1114 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1115 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1116 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1117 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1118 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1119 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1120 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1121 
1122 /* Common functions */
1123 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1124 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1125 			      struct amdgpu_job* job);
1126 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1127 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1128 
1129 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1130 				  u64 num_vis_bytes);
1131 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1132 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1133 					     const u32 *registers,
1134 					     const u32 array_size);
1135 
1136 bool amdgpu_device_is_px(struct drm_device *dev);
1137 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1138 				      struct amdgpu_device *peer_adev);
1139 
1140 /* atpx handler */
1141 #if defined(CONFIG_VGA_SWITCHEROO)
1142 void amdgpu_register_atpx_handler(void);
1143 void amdgpu_unregister_atpx_handler(void);
1144 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1145 bool amdgpu_is_atpx_hybrid(void);
1146 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1147 bool amdgpu_has_atpx(void);
1148 #else
1149 static inline void amdgpu_register_atpx_handler(void) {}
1150 static inline void amdgpu_unregister_atpx_handler(void) {}
1151 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1152 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1153 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1154 static inline bool amdgpu_has_atpx(void) { return false; }
1155 #endif
1156 
1157 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1158 void *amdgpu_atpx_get_dhandle(void);
1159 #else
1160 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1161 #endif
1162 
1163 /*
1164  * KMS
1165  */
1166 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1167 extern const int amdgpu_max_kms_ioctl;
1168 
1169 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1170 void amdgpu_driver_unload_kms(struct drm_device *dev);
1171 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1172 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1173 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1174 				 struct drm_file *file_priv);
1175 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1176 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1177 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1178 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1179 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1180 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1181 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1182 			     unsigned long arg);
1183 
1184 /*
1185  * functions used by amdgpu_encoder.c
1186  */
1187 struct amdgpu_afmt_acr {
1188 	u32 clock;
1189 
1190 	int n_32khz;
1191 	int cts_32khz;
1192 
1193 	int n_44_1khz;
1194 	int cts_44_1khz;
1195 
1196 	int n_48khz;
1197 	int cts_48khz;
1198 
1199 };
1200 
1201 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1202 
1203 /* amdgpu_acpi.c */
1204 #if defined(CONFIG_ACPI)
1205 int amdgpu_acpi_init(struct amdgpu_device *adev);
1206 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1207 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1208 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1209 						u8 perf_req, bool advertise);
1210 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1211 
1212 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1213 		struct amdgpu_dm_backlight_caps *caps);
1214 #else
1215 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1216 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1217 #endif
1218 
1219 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1220 			   uint64_t addr, struct amdgpu_bo **bo,
1221 			   struct amdgpu_bo_va_mapping **mapping);
1222 
1223 #if defined(CONFIG_DRM_AMD_DC)
1224 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1225 #else
1226 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1227 #endif
1228 
1229 
1230 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1231 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1232 
1233 #include "amdgpu_object.h"
1234 
1235 /* used by df_v3_6.c and amdgpu_pmu.c */
1236 #define AMDGPU_PMU_ATTR(_name, _object)					\
1237 static ssize_t								\
1238 _name##_show(struct device *dev,					\
1239 			       struct device_attribute *attr,		\
1240 			       char *page)				\
1241 {									\
1242 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1243 	return sprintf(page, _object "\n");				\
1244 }									\
1245 									\
1246 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1247 
1248 #endif
1249 
1250