xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision b8d312aa)
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 /*
111  * Modules parameters.
112  */
113 extern int amdgpu_modeset;
114 extern int amdgpu_vram_limit;
115 extern int amdgpu_vis_vram_limit;
116 extern int amdgpu_gart_size;
117 extern int amdgpu_gtt_size;
118 extern int amdgpu_moverate;
119 extern int amdgpu_benchmarking;
120 extern int amdgpu_testing;
121 extern int amdgpu_audio;
122 extern int amdgpu_disp_priority;
123 extern int amdgpu_hw_i2c;
124 extern int amdgpu_pcie_gen2;
125 extern int amdgpu_msi;
126 extern int amdgpu_dpm;
127 extern int amdgpu_fw_load_type;
128 extern int amdgpu_aspm;
129 extern int amdgpu_runtime_pm;
130 extern uint amdgpu_ip_block_mask;
131 extern int amdgpu_bapm;
132 extern int amdgpu_deep_color;
133 extern int amdgpu_vm_size;
134 extern int amdgpu_vm_block_size;
135 extern int amdgpu_vm_fragment_size;
136 extern int amdgpu_vm_fault_stop;
137 extern int amdgpu_vm_debug;
138 extern int amdgpu_vm_update_mode;
139 extern int amdgpu_dc;
140 extern int amdgpu_sched_jobs;
141 extern int amdgpu_sched_hw_submission;
142 extern uint amdgpu_pcie_gen_cap;
143 extern uint amdgpu_pcie_lane_cap;
144 extern uint amdgpu_cg_mask;
145 extern uint amdgpu_pg_mask;
146 extern uint amdgpu_sdma_phase_quantum;
147 extern char *amdgpu_disable_cu;
148 extern char *amdgpu_virtual_display;
149 extern uint amdgpu_pp_feature_mask;
150 extern int amdgpu_ngg;
151 extern int amdgpu_prim_buf_per_se;
152 extern int amdgpu_pos_buf_per_se;
153 extern int amdgpu_cntl_sb_buf_per_se;
154 extern int amdgpu_param_buf_per_se;
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 
172 #ifdef CONFIG_DRM_AMDGPU_SI
173 extern int amdgpu_si_support;
174 #endif
175 #ifdef CONFIG_DRM_AMDGPU_CIK
176 extern int amdgpu_cik_support;
177 #endif
178 
179 #define AMDGPU_VM_MAX_NUM_CTX			4096
180 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
181 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
182 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
183 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
184 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
185 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
186 #define AMDGPU_IB_POOL_SIZE			16
187 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
188 #define AMDGPUFB_CONN_LIMIT			4
189 #define AMDGPU_BIOS_NUM_SCRATCH			16
190 
191 /* hard reset data */
192 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
193 
194 /* reset flags */
195 #define AMDGPU_RESET_GFX			(1 << 0)
196 #define AMDGPU_RESET_COMPUTE			(1 << 1)
197 #define AMDGPU_RESET_DMA			(1 << 2)
198 #define AMDGPU_RESET_CP				(1 << 3)
199 #define AMDGPU_RESET_GRBM			(1 << 4)
200 #define AMDGPU_RESET_DMA1			(1 << 5)
201 #define AMDGPU_RESET_RLC			(1 << 6)
202 #define AMDGPU_RESET_SEM			(1 << 7)
203 #define AMDGPU_RESET_IH				(1 << 8)
204 #define AMDGPU_RESET_VMC			(1 << 9)
205 #define AMDGPU_RESET_MC				(1 << 10)
206 #define AMDGPU_RESET_DISPLAY			(1 << 11)
207 #define AMDGPU_RESET_UVD			(1 << 12)
208 #define AMDGPU_RESET_VCE			(1 << 13)
209 #define AMDGPU_RESET_VCE1			(1 << 14)
210 
211 /* max cursor sizes (in pixels) */
212 #define CIK_CURSOR_WIDTH 128
213 #define CIK_CURSOR_HEIGHT 128
214 
215 struct amdgpu_device;
216 struct amdgpu_ib;
217 struct amdgpu_cs_parser;
218 struct amdgpu_job;
219 struct amdgpu_irq_src;
220 struct amdgpu_fpriv;
221 struct amdgpu_bo_va_mapping;
222 struct amdgpu_atif;
223 struct kfd_vm_fault_info;
224 
225 enum amdgpu_cp_irq {
226 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
227 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
228 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
229 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
230 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
231 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
232 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
233 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
234 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
235 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
236 
237 	AMDGPU_CP_IRQ_LAST
238 };
239 
240 enum amdgpu_thermal_irq {
241 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
242 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
243 
244 	AMDGPU_THERMAL_IRQ_LAST
245 };
246 
247 enum amdgpu_kiq_irq {
248 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
249 	AMDGPU_CP_KIQ_IRQ_LAST
250 };
251 
252 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
253 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
254 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
255 
256 int amdgpu_device_ip_set_clockgating_state(void *dev,
257 					   enum amd_ip_block_type block_type,
258 					   enum amd_clockgating_state state);
259 int amdgpu_device_ip_set_powergating_state(void *dev,
260 					   enum amd_ip_block_type block_type,
261 					   enum amd_powergating_state state);
262 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
263 					    u32 *flags);
264 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
265 				   enum amd_ip_block_type block_type);
266 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
267 			      enum amd_ip_block_type block_type);
268 
269 #define AMDGPU_MAX_IP_NUM 16
270 
271 struct amdgpu_ip_block_status {
272 	bool valid;
273 	bool sw;
274 	bool hw;
275 	bool late_initialized;
276 	bool hang;
277 };
278 
279 struct amdgpu_ip_block_version {
280 	const enum amd_ip_block_type type;
281 	const u32 major;
282 	const u32 minor;
283 	const u32 rev;
284 	const struct amd_ip_funcs *funcs;
285 };
286 
287 struct amdgpu_ip_block {
288 	struct amdgpu_ip_block_status status;
289 	const struct amdgpu_ip_block_version *version;
290 };
291 
292 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
293 				       enum amd_ip_block_type type,
294 				       u32 major, u32 minor);
295 
296 struct amdgpu_ip_block *
297 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
298 			      enum amd_ip_block_type type);
299 
300 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
301 			       const struct amdgpu_ip_block_version *ip_block_version);
302 
303 /*
304  * BIOS.
305  */
306 bool amdgpu_get_bios(struct amdgpu_device *adev);
307 bool amdgpu_read_bios(struct amdgpu_device *adev);
308 
309 /*
310  * Clocks
311  */
312 
313 #define AMDGPU_MAX_PPLL 3
314 
315 struct amdgpu_clock {
316 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
317 	struct amdgpu_pll spll;
318 	struct amdgpu_pll mpll;
319 	/* 10 Khz units */
320 	uint32_t default_mclk;
321 	uint32_t default_sclk;
322 	uint32_t default_dispclk;
323 	uint32_t current_dispclk;
324 	uint32_t dp_extclk;
325 	uint32_t max_pixel_clock;
326 };
327 
328 /* sub-allocation manager, it has to be protected by another lock.
329  * By conception this is an helper for other part of the driver
330  * like the indirect buffer or semaphore, which both have their
331  * locking.
332  *
333  * Principe is simple, we keep a list of sub allocation in offset
334  * order (first entry has offset == 0, last entry has the highest
335  * offset).
336  *
337  * When allocating new object we first check if there is room at
338  * the end total_size - (last_object_offset + last_object_size) >=
339  * alloc_size. If so we allocate new object there.
340  *
341  * When there is not enough room at the end, we start waiting for
342  * each sub object until we reach object_offset+object_size >=
343  * alloc_size, this object then become the sub object we return.
344  *
345  * Alignment can't be bigger than page size.
346  *
347  * Hole are not considered for allocation to keep things simple.
348  * Assumption is that there won't be hole (all object on same
349  * alignment).
350  */
351 
352 #define AMDGPU_SA_NUM_FENCE_LISTS	32
353 
354 struct amdgpu_sa_manager {
355 	wait_queue_head_t	wq;
356 	struct amdgpu_bo	*bo;
357 	struct list_head	*hole;
358 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
359 	struct list_head	olist;
360 	unsigned		size;
361 	uint64_t		gpu_addr;
362 	void			*cpu_ptr;
363 	uint32_t		domain;
364 	uint32_t		align;
365 };
366 
367 /* sub-allocation buffer */
368 struct amdgpu_sa_bo {
369 	struct list_head		olist;
370 	struct list_head		flist;
371 	struct amdgpu_sa_manager	*manager;
372 	unsigned			soffset;
373 	unsigned			eoffset;
374 	struct dma_fence	        *fence;
375 };
376 
377 int amdgpu_fence_slab_init(void);
378 void amdgpu_fence_slab_fini(void);
379 
380 /*
381  * IRQS.
382  */
383 
384 struct amdgpu_flip_work {
385 	struct delayed_work		flip_work;
386 	struct work_struct		unpin_work;
387 	struct amdgpu_device		*adev;
388 	int				crtc_id;
389 	u32				target_vblank;
390 	uint64_t			base;
391 	struct drm_pending_vblank_event *event;
392 	struct amdgpu_bo		*old_abo;
393 	struct dma_fence		*excl;
394 	unsigned			shared_count;
395 	struct dma_fence		**shared;
396 	struct dma_fence_cb		cb;
397 	bool				async;
398 };
399 
400 
401 /*
402  * CP & rings.
403  */
404 
405 struct amdgpu_ib {
406 	struct amdgpu_sa_bo		*sa_bo;
407 	uint32_t			length_dw;
408 	uint64_t			gpu_addr;
409 	uint32_t			*ptr;
410 	uint32_t			flags;
411 };
412 
413 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
414 
415 /*
416  * file private structure
417  */
418 
419 struct amdgpu_fpriv {
420 	struct amdgpu_vm	vm;
421 	struct amdgpu_bo_va	*prt_va;
422 	struct amdgpu_bo_va	*csa_va;
423 	struct mutex		bo_list_lock;
424 	struct idr		bo_list_handles;
425 	struct amdgpu_ctx_mgr	ctx_mgr;
426 };
427 
428 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
429 int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev);
430 
431 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
432 		  unsigned size, struct amdgpu_ib *ib);
433 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
434 		    struct dma_fence *f);
435 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
436 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
437 		       struct dma_fence **f);
438 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
439 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
440 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
441 
442 /*
443  * CS.
444  */
445 struct amdgpu_cs_chunk {
446 	uint32_t		chunk_id;
447 	uint32_t		length_dw;
448 	void			*kdata;
449 };
450 
451 struct amdgpu_cs_post_dep {
452 	struct drm_syncobj *syncobj;
453 	struct dma_fence_chain *chain;
454 	u64 point;
455 };
456 
457 struct amdgpu_cs_parser {
458 	struct amdgpu_device	*adev;
459 	struct drm_file		*filp;
460 	struct amdgpu_ctx	*ctx;
461 
462 	/* chunks */
463 	unsigned		nchunks;
464 	struct amdgpu_cs_chunk	*chunks;
465 
466 	/* scheduler job object */
467 	struct amdgpu_job	*job;
468 	struct drm_sched_entity	*entity;
469 
470 	/* buffer objects */
471 	struct ww_acquire_ctx		ticket;
472 	struct amdgpu_bo_list		*bo_list;
473 	struct amdgpu_mn		*mn;
474 	struct amdgpu_bo_list_entry	vm_pd;
475 	struct list_head		validated;
476 	struct dma_fence		*fence;
477 	uint64_t			bytes_moved_threshold;
478 	uint64_t			bytes_moved_vis_threshold;
479 	uint64_t			bytes_moved;
480 	uint64_t			bytes_moved_vis;
481 	struct amdgpu_bo_list_entry	*evictable;
482 
483 	/* user fence */
484 	struct amdgpu_bo_list_entry	uf_entry;
485 
486 	unsigned			num_post_deps;
487 	struct amdgpu_cs_post_dep	*post_deps;
488 };
489 
490 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
491 				      uint32_t ib_idx, int idx)
492 {
493 	return p->job->ibs[ib_idx].ptr[idx];
494 }
495 
496 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
497 				       uint32_t ib_idx, int idx,
498 				       uint32_t value)
499 {
500 	p->job->ibs[ib_idx].ptr[idx] = value;
501 }
502 
503 /*
504  * Writeback
505  */
506 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
507 
508 struct amdgpu_wb {
509 	struct amdgpu_bo	*wb_obj;
510 	volatile uint32_t	*wb;
511 	uint64_t		gpu_addr;
512 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
513 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
514 };
515 
516 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
517 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
518 
519 /*
520  * Benchmarking
521  */
522 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
523 
524 
525 /*
526  * Testing
527  */
528 void amdgpu_test_moves(struct amdgpu_device *adev);
529 
530 /*
531  * ASIC specific register table accessible by UMD
532  */
533 struct amdgpu_allowed_register_entry {
534 	uint32_t reg_offset;
535 	bool grbm_indexed;
536 };
537 
538 enum amd_reset_method {
539 	AMD_RESET_METHOD_LEGACY = 0,
540 	AMD_RESET_METHOD_MODE0,
541 	AMD_RESET_METHOD_MODE1,
542 	AMD_RESET_METHOD_MODE2,
543 	AMD_RESET_METHOD_BACO
544 };
545 
546 /*
547  * ASIC specific functions.
548  */
549 struct amdgpu_asic_funcs {
550 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
551 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
552 				   u8 *bios, u32 length_bytes);
553 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
554 			     u32 sh_num, u32 reg_offset, u32 *value);
555 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
556 	int (*reset)(struct amdgpu_device *adev);
557 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
558 	/* get the reference clock */
559 	u32 (*get_xclk)(struct amdgpu_device *adev);
560 	/* MM block clocks */
561 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
562 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
563 	/* static power management */
564 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
565 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
566 	/* get config memsize register */
567 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
568 	/* flush hdp write queue */
569 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
570 	/* invalidate hdp read cache */
571 	void (*invalidate_hdp)(struct amdgpu_device *adev,
572 			       struct amdgpu_ring *ring);
573 	/* check if the asic needs a full reset of if soft reset will work */
574 	bool (*need_full_reset)(struct amdgpu_device *adev);
575 	/* initialize doorbell layout for specific asic*/
576 	void (*init_doorbell_index)(struct amdgpu_device *adev);
577 	/* PCIe bandwidth usage */
578 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
579 			       uint64_t *count1);
580 	/* do we need to reset the asic at init time (e.g., kexec) */
581 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
582 	/* PCIe replay counter */
583 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
584 };
585 
586 /*
587  * IOCTL.
588  */
589 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
590 				struct drm_file *filp);
591 
592 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
593 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
594 				    struct drm_file *filp);
595 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
596 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
597 				struct drm_file *filp);
598 
599 /* VRAM scratch page for HDP bug, default vram page */
600 struct amdgpu_vram_scratch {
601 	struct amdgpu_bo		*robj;
602 	volatile uint32_t		*ptr;
603 	u64				gpu_addr;
604 };
605 
606 /*
607  * ACPI
608  */
609 struct amdgpu_atcs_functions {
610 	bool get_ext_state;
611 	bool pcie_perf_req;
612 	bool pcie_dev_rdy;
613 	bool pcie_bus_width;
614 };
615 
616 struct amdgpu_atcs {
617 	struct amdgpu_atcs_functions functions;
618 };
619 
620 /*
621  * Firmware VRAM reservation
622  */
623 struct amdgpu_fw_vram_usage {
624 	u64 start_offset;
625 	u64 size;
626 	struct amdgpu_bo *reserved_bo;
627 	void *va;
628 };
629 
630 /*
631  * CGS
632  */
633 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
634 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
635 
636 /*
637  * Core structure, functions and helpers.
638  */
639 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
640 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
641 
642 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
643 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
644 
645 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
646 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
647 
648 struct amdgpu_mmio_remap {
649 	u32 reg_offset;
650 	resource_size_t bus_addr;
651 };
652 
653 struct amdgpu_df_funcs {
654 	void (*sw_init)(struct amdgpu_device *adev);
655 	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
656 				      bool enable);
657 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
658 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
659 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
660 						 bool enable);
661 	void (*get_clockgating_state)(struct amdgpu_device *adev,
662 				      u32 *flags);
663 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
664 					    bool enable);
665 	int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
666 					 int is_enable);
667 	int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
668 					 int is_disable);
669 	void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
670 					 uint64_t *count);
671 	uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
672 	void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
673 			 uint32_t ficadl_val, uint32_t ficadh_val);
674 };
675 /* Define the HW IP blocks will be used in driver , add more if necessary */
676 enum amd_hw_ip_block_type {
677 	GC_HWIP = 1,
678 	HDP_HWIP,
679 	SDMA0_HWIP,
680 	SDMA1_HWIP,
681 	SDMA2_HWIP,
682 	SDMA3_HWIP,
683 	SDMA4_HWIP,
684 	SDMA5_HWIP,
685 	SDMA6_HWIP,
686 	SDMA7_HWIP,
687 	MMHUB_HWIP,
688 	ATHUB_HWIP,
689 	NBIO_HWIP,
690 	MP0_HWIP,
691 	MP1_HWIP,
692 	UVD_HWIP,
693 	VCN_HWIP = UVD_HWIP,
694 	VCE_HWIP,
695 	DF_HWIP,
696 	DCE_HWIP,
697 	OSSSYS_HWIP,
698 	SMUIO_HWIP,
699 	PWR_HWIP,
700 	NBIF_HWIP,
701 	THM_HWIP,
702 	CLK_HWIP,
703 	UMC_HWIP,
704 	RSMU_HWIP,
705 	MAX_HWIP
706 };
707 
708 #define HWIP_MAX_INSTANCE	8
709 
710 struct amd_powerplay {
711 	void *pp_handle;
712 	const struct amd_pm_funcs *pp_funcs;
713 };
714 
715 #define AMDGPU_RESET_MAGIC_NUM 64
716 #define AMDGPU_MAX_DF_PERFMONS 4
717 struct amdgpu_device {
718 	struct device			*dev;
719 	struct drm_device		*ddev;
720 	struct pci_dev			*pdev;
721 
722 #ifdef CONFIG_DRM_AMD_ACP
723 	struct amdgpu_acp		acp;
724 #endif
725 
726 	/* ASIC */
727 	enum amd_asic_type		asic_type;
728 	uint32_t			family;
729 	uint32_t			rev_id;
730 	uint32_t			external_rev_id;
731 	unsigned long			flags;
732 	int				usec_timeout;
733 	const struct amdgpu_asic_funcs	*asic_funcs;
734 	bool				shutdown;
735 	bool				need_swiotlb;
736 	bool				accel_working;
737 	struct notifier_block		acpi_nb;
738 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
739 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
740 	unsigned			debugfs_count;
741 #if defined(CONFIG_DEBUG_FS)
742 	struct dentry                   *debugfs_preempt;
743 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
744 #endif
745 	struct amdgpu_atif		*atif;
746 	struct amdgpu_atcs		atcs;
747 	struct mutex			srbm_mutex;
748 	/* GRBM index mutex. Protects concurrent access to GRBM index */
749 	struct mutex                    grbm_idx_mutex;
750 	struct dev_pm_domain		vga_pm_domain;
751 	bool				have_disp_power_ref;
752 	bool                            have_atomics_support;
753 
754 	/* BIOS */
755 	bool				is_atom_fw;
756 	uint8_t				*bios;
757 	uint32_t			bios_size;
758 	struct amdgpu_bo		*stolen_vga_memory;
759 	uint32_t			bios_scratch_reg_offset;
760 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
761 
762 	/* Register/doorbell mmio */
763 	resource_size_t			rmmio_base;
764 	resource_size_t			rmmio_size;
765 	void __iomem			*rmmio;
766 	/* protects concurrent MM_INDEX/DATA based register access */
767 	spinlock_t mmio_idx_lock;
768 	struct amdgpu_mmio_remap        rmmio_remap;
769 	/* protects concurrent SMC based register access */
770 	spinlock_t smc_idx_lock;
771 	amdgpu_rreg_t			smc_rreg;
772 	amdgpu_wreg_t			smc_wreg;
773 	/* protects concurrent PCIE register access */
774 	spinlock_t pcie_idx_lock;
775 	amdgpu_rreg_t			pcie_rreg;
776 	amdgpu_wreg_t			pcie_wreg;
777 	amdgpu_rreg_t			pciep_rreg;
778 	amdgpu_wreg_t			pciep_wreg;
779 	amdgpu_rreg64_t			pcie_rreg64;
780 	amdgpu_wreg64_t			pcie_wreg64;
781 	/* protects concurrent UVD register access */
782 	spinlock_t uvd_ctx_idx_lock;
783 	amdgpu_rreg_t			uvd_ctx_rreg;
784 	amdgpu_wreg_t			uvd_ctx_wreg;
785 	/* protects concurrent DIDT register access */
786 	spinlock_t didt_idx_lock;
787 	amdgpu_rreg_t			didt_rreg;
788 	amdgpu_wreg_t			didt_wreg;
789 	/* protects concurrent gc_cac register access */
790 	spinlock_t gc_cac_idx_lock;
791 	amdgpu_rreg_t			gc_cac_rreg;
792 	amdgpu_wreg_t			gc_cac_wreg;
793 	/* protects concurrent se_cac register access */
794 	spinlock_t se_cac_idx_lock;
795 	amdgpu_rreg_t			se_cac_rreg;
796 	amdgpu_wreg_t			se_cac_wreg;
797 	/* protects concurrent ENDPOINT (audio) register access */
798 	spinlock_t audio_endpt_idx_lock;
799 	amdgpu_block_rreg_t		audio_endpt_rreg;
800 	amdgpu_block_wreg_t		audio_endpt_wreg;
801 	void __iomem                    *rio_mem;
802 	resource_size_t			rio_mem_size;
803 	struct amdgpu_doorbell		doorbell;
804 
805 	/* clock/pll info */
806 	struct amdgpu_clock            clock;
807 
808 	/* MC */
809 	struct amdgpu_gmc		gmc;
810 	struct amdgpu_gart		gart;
811 	dma_addr_t			dummy_page_addr;
812 	struct amdgpu_vm_manager	vm_manager;
813 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
814 	unsigned			num_vmhubs;
815 
816 	/* memory management */
817 	struct amdgpu_mman		mman;
818 	struct amdgpu_vram_scratch	vram_scratch;
819 	struct amdgpu_wb		wb;
820 	atomic64_t			num_bytes_moved;
821 	atomic64_t			num_evictions;
822 	atomic64_t			num_vram_cpu_page_faults;
823 	atomic_t			gpu_reset_counter;
824 	atomic_t			vram_lost_counter;
825 
826 	/* data for buffer migration throttling */
827 	struct {
828 		spinlock_t		lock;
829 		s64			last_update_us;
830 		s64			accum_us; /* accumulated microseconds */
831 		s64			accum_us_vis; /* for visible VRAM */
832 		u32			log2_max_MBps;
833 	} mm_stats;
834 
835 	/* display */
836 	bool				enable_virtual_display;
837 	struct amdgpu_mode_info		mode_info;
838 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
839 	struct work_struct		hotplug_work;
840 	struct amdgpu_irq_src		crtc_irq;
841 	struct amdgpu_irq_src		vupdate_irq;
842 	struct amdgpu_irq_src		pageflip_irq;
843 	struct amdgpu_irq_src		hpd_irq;
844 
845 	/* rings */
846 	u64				fence_context;
847 	unsigned			num_rings;
848 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
849 	bool				ib_pool_ready;
850 	struct amdgpu_sa_manager	ring_tmp_bo;
851 
852 	/* interrupts */
853 	struct amdgpu_irq		irq;
854 
855 	/* powerplay */
856 	struct amd_powerplay		powerplay;
857 	bool				pp_force_state_enabled;
858 
859 	/* smu */
860 	struct smu_context		smu;
861 
862 	/* dpm */
863 	struct amdgpu_pm		pm;
864 	u32				cg_flags;
865 	u32				pg_flags;
866 
867 	/* nbio */
868 	struct amdgpu_nbio		nbio;
869 
870 	/* gfx */
871 	struct amdgpu_gfx		gfx;
872 
873 	/* sdma */
874 	struct amdgpu_sdma		sdma;
875 
876 	/* uvd */
877 	struct amdgpu_uvd		uvd;
878 
879 	/* vce */
880 	struct amdgpu_vce		vce;
881 
882 	/* vcn */
883 	struct amdgpu_vcn		vcn;
884 
885 	/* firmwares */
886 	struct amdgpu_firmware		firmware;
887 
888 	/* PSP */
889 	struct psp_context		psp;
890 
891 	/* GDS */
892 	struct amdgpu_gds		gds;
893 
894 	/* KFD */
895 	struct amdgpu_kfd_dev		kfd;
896 
897 	/* UMC */
898 	struct amdgpu_umc		umc;
899 
900 	/* display related functionality */
901 	struct amdgpu_display_manager dm;
902 
903 	/* discovery */
904 	uint8_t				*discovery;
905 
906 	/* mes */
907 	bool                            enable_mes;
908 	struct amdgpu_mes               mes;
909 
910 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
911 	int				num_ip_blocks;
912 	struct mutex	mn_lock;
913 	DECLARE_HASHTABLE(mn_hash, 7);
914 
915 	/* tracking pinned memory */
916 	atomic64_t vram_pin_size;
917 	atomic64_t visible_pin_size;
918 	atomic64_t gart_pin_size;
919 
920 	/* soc15 register offset based on ip, instance and  segment */
921 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
922 
923 	const struct amdgpu_df_funcs	*df_funcs;
924 	const struct amdgpu_mmhub_funcs	*mmhub_funcs;
925 
926 	/* delayed work_func for deferring clockgating during resume */
927 	struct delayed_work     delayed_init_work;
928 
929 	struct amdgpu_virt	virt;
930 	/* firmware VRAM reservation */
931 	struct amdgpu_fw_vram_usage fw_vram_usage;
932 
933 	/* link all shadow bo */
934 	struct list_head                shadow_list;
935 	struct mutex                    shadow_list_lock;
936 	/* keep an lru list of rings by HW IP */
937 	struct list_head		ring_lru_list;
938 	spinlock_t			ring_lru_list_lock;
939 
940 	/* record hw reset is performed */
941 	bool has_hw_reset;
942 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
943 
944 	/* s3/s4 mask */
945 	bool                            in_suspend;
946 
947 	/* record last mm index being written through WREG32*/
948 	unsigned long last_mm_index;
949 	bool                            in_gpu_reset;
950 	enum pp_mp1_state               mp1_state;
951 	struct mutex  lock_reset;
952 	struct amdgpu_doorbell_index doorbell_index;
953 
954 	int asic_reset_res;
955 	struct work_struct		xgmi_reset_work;
956 
957 	bool                            in_baco_reset;
958 
959 	long				gfx_timeout;
960 	long				sdma_timeout;
961 	long				video_timeout;
962 	long				compute_timeout;
963 
964 	uint64_t			unique_id;
965 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
966 };
967 
968 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
969 {
970 	return container_of(bdev, struct amdgpu_device, mman.bdev);
971 }
972 
973 int amdgpu_device_init(struct amdgpu_device *adev,
974 		       struct drm_device *ddev,
975 		       struct pci_dev *pdev,
976 		       uint32_t flags);
977 void amdgpu_device_fini(struct amdgpu_device *adev);
978 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
979 
980 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
981 			uint32_t acc_flags);
982 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
983 		    uint32_t acc_flags);
984 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
985 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
986 
987 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
988 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
989 
990 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
991 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
992 
993 int emu_soc_asic_init(struct amdgpu_device *adev);
994 
995 /*
996  * Registers read & write functions.
997  */
998 
999 #define AMDGPU_REGS_IDX       (1<<0)
1000 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1001 
1002 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1003 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1004 
1005 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1006 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1007 
1008 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1009 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1010 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1011 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1012 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1013 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1014 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1015 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1016 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1017 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1018 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1019 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1020 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1021 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1022 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1023 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1024 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1025 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1026 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1027 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1028 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1029 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1030 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1031 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1032 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1033 #define WREG32_P(reg, val, mask)				\
1034 	do {							\
1035 		uint32_t tmp_ = RREG32(reg);			\
1036 		tmp_ &= (mask);					\
1037 		tmp_ |= ((val) & ~(mask));			\
1038 		WREG32(reg, tmp_);				\
1039 	} while (0)
1040 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1041 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1042 #define WREG32_PLL_P(reg, val, mask)				\
1043 	do {							\
1044 		uint32_t tmp_ = RREG32_PLL(reg);		\
1045 		tmp_ &= (mask);					\
1046 		tmp_ |= ((val) & ~(mask));			\
1047 		WREG32_PLL(reg, tmp_);				\
1048 	} while (0)
1049 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1050 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1051 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1052 
1053 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1054 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1055 
1056 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1057 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1058 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1059 
1060 #define REG_GET_FIELD(value, reg, field)				\
1061 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1062 
1063 #define WREG32_FIELD(reg, field, val)	\
1064 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1065 
1066 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1067 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1068 
1069 /*
1070  * BIOS helpers.
1071  */
1072 #define RBIOS8(i) (adev->bios[i])
1073 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1074 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1075 
1076 /*
1077  * ASICs macro.
1078  */
1079 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1080 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1081 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1082 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1083 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1084 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1085 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1086 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1087 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1088 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1089 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1090 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1091 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1092 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1093 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1094 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1095 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1096 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1097 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1098 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1099 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1100 
1101 /* Common functions */
1102 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1103 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1104 			      struct amdgpu_job* job);
1105 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1106 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1107 
1108 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1109 				  u64 num_vis_bytes);
1110 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1111 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1112 					     const u32 *registers,
1113 					     const u32 array_size);
1114 
1115 bool amdgpu_device_is_px(struct drm_device *dev);
1116 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1117 				      struct amdgpu_device *peer_adev);
1118 
1119 /* atpx handler */
1120 #if defined(CONFIG_VGA_SWITCHEROO)
1121 void amdgpu_register_atpx_handler(void);
1122 void amdgpu_unregister_atpx_handler(void);
1123 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1124 bool amdgpu_is_atpx_hybrid(void);
1125 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1126 bool amdgpu_has_atpx(void);
1127 #else
1128 static inline void amdgpu_register_atpx_handler(void) {}
1129 static inline void amdgpu_unregister_atpx_handler(void) {}
1130 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1131 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1132 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1133 static inline bool amdgpu_has_atpx(void) { return false; }
1134 #endif
1135 
1136 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1137 void *amdgpu_atpx_get_dhandle(void);
1138 #else
1139 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1140 #endif
1141 
1142 /*
1143  * KMS
1144  */
1145 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1146 extern const int amdgpu_max_kms_ioctl;
1147 
1148 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1149 void amdgpu_driver_unload_kms(struct drm_device *dev);
1150 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1151 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1152 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1153 				 struct drm_file *file_priv);
1154 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1155 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1156 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1157 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1158 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1159 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1160 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1161 			     unsigned long arg);
1162 
1163 /*
1164  * functions used by amdgpu_encoder.c
1165  */
1166 struct amdgpu_afmt_acr {
1167 	u32 clock;
1168 
1169 	int n_32khz;
1170 	int cts_32khz;
1171 
1172 	int n_44_1khz;
1173 	int cts_44_1khz;
1174 
1175 	int n_48khz;
1176 	int cts_48khz;
1177 
1178 };
1179 
1180 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1181 
1182 /* amdgpu_acpi.c */
1183 #if defined(CONFIG_ACPI)
1184 int amdgpu_acpi_init(struct amdgpu_device *adev);
1185 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1186 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1187 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1188 						u8 perf_req, bool advertise);
1189 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1190 
1191 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1192 		struct amdgpu_dm_backlight_caps *caps);
1193 #else
1194 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1195 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1196 #endif
1197 
1198 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1199 			   uint64_t addr, struct amdgpu_bo **bo,
1200 			   struct amdgpu_bo_va_mapping **mapping);
1201 
1202 #if defined(CONFIG_DRM_AMD_DC)
1203 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1204 #else
1205 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1206 #endif
1207 
1208 
1209 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1210 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1211 
1212 #include "amdgpu_object.h"
1213 
1214 /* used by df_v3_6.c and amdgpu_pmu.c */
1215 #define AMDGPU_PMU_ATTR(_name, _object)					\
1216 static ssize_t								\
1217 _name##_show(struct device *dev,					\
1218 			       struct device_attribute *attr,		\
1219 			       char *page)				\
1220 {									\
1221 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1222 	return sprintf(page, _object "\n");				\
1223 }									\
1224 									\
1225 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1226 
1227 #endif
1228 
1229