xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 2ef5a7f1)
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_dm.h"
77 #include "amdgpu_virt.h"
78 #include "amdgpu_csa.h"
79 #include "amdgpu_gart.h"
80 #include "amdgpu_debugfs.h"
81 #include "amdgpu_job.h"
82 #include "amdgpu_bo_list.h"
83 #include "amdgpu_gem.h"
84 #include "amdgpu_doorbell.h"
85 #include "amdgpu_amdkfd.h"
86 #include "amdgpu_smu.h"
87 #include "amdgpu_discovery.h"
88 #include "amdgpu_mes.h"
89 
90 #define MAX_GPU_INSTANCE		16
91 
92 struct amdgpu_gpu_instance
93 {
94 	struct amdgpu_device		*adev;
95 	int				mgpu_fan_enabled;
96 };
97 
98 struct amdgpu_mgpu_info
99 {
100 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
101 	struct mutex			mutex;
102 	uint32_t			num_gpu;
103 	uint32_t			num_dgpu;
104 	uint32_t			num_apu;
105 };
106 
107 /*
108  * Modules parameters.
109  */
110 extern int amdgpu_modeset;
111 extern int amdgpu_vram_limit;
112 extern int amdgpu_vis_vram_limit;
113 extern int amdgpu_gart_size;
114 extern int amdgpu_gtt_size;
115 extern int amdgpu_moverate;
116 extern int amdgpu_benchmarking;
117 extern int amdgpu_testing;
118 extern int amdgpu_audio;
119 extern int amdgpu_disp_priority;
120 extern int amdgpu_hw_i2c;
121 extern int amdgpu_pcie_gen2;
122 extern int amdgpu_msi;
123 extern int amdgpu_dpm;
124 extern int amdgpu_fw_load_type;
125 extern int amdgpu_aspm;
126 extern int amdgpu_runtime_pm;
127 extern uint amdgpu_ip_block_mask;
128 extern int amdgpu_bapm;
129 extern int amdgpu_deep_color;
130 extern int amdgpu_vm_size;
131 extern int amdgpu_vm_block_size;
132 extern int amdgpu_vm_fragment_size;
133 extern int amdgpu_vm_fault_stop;
134 extern int amdgpu_vm_debug;
135 extern int amdgpu_vm_update_mode;
136 extern int amdgpu_dc;
137 extern int amdgpu_sched_jobs;
138 extern int amdgpu_sched_hw_submission;
139 extern uint amdgpu_pcie_gen_cap;
140 extern uint amdgpu_pcie_lane_cap;
141 extern uint amdgpu_cg_mask;
142 extern uint amdgpu_pg_mask;
143 extern uint amdgpu_sdma_phase_quantum;
144 extern char *amdgpu_disable_cu;
145 extern char *amdgpu_virtual_display;
146 extern uint amdgpu_pp_feature_mask;
147 extern int amdgpu_ngg;
148 extern int amdgpu_prim_buf_per_se;
149 extern int amdgpu_pos_buf_per_se;
150 extern int amdgpu_cntl_sb_buf_per_se;
151 extern int amdgpu_param_buf_per_se;
152 extern int amdgpu_job_hang_limit;
153 extern int amdgpu_lbpw;
154 extern int amdgpu_compute_multipipe;
155 extern int amdgpu_gpu_recovery;
156 extern int amdgpu_emu_mode;
157 extern uint amdgpu_smu_memory_pool_size;
158 extern uint amdgpu_dc_feature_mask;
159 extern uint amdgpu_dm_abm_level;
160 extern struct amdgpu_mgpu_info mgpu_info;
161 extern int amdgpu_ras_enable;
162 extern uint amdgpu_ras_mask;
163 extern int amdgpu_async_gfx_ring;
164 extern int amdgpu_mcbp;
165 extern int amdgpu_discovery;
166 extern int amdgpu_mes;
167 extern int amdgpu_noretry;
168 
169 #ifdef CONFIG_DRM_AMDGPU_SI
170 extern int amdgpu_si_support;
171 #endif
172 #ifdef CONFIG_DRM_AMDGPU_CIK
173 extern int amdgpu_cik_support;
174 #endif
175 
176 #define AMDGPU_VM_MAX_NUM_CTX			4096
177 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
178 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
179 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
180 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
181 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
182 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
183 #define AMDGPU_IB_POOL_SIZE			16
184 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
185 #define AMDGPUFB_CONN_LIMIT			4
186 #define AMDGPU_BIOS_NUM_SCRATCH			16
187 
188 /* hard reset data */
189 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
190 
191 /* reset flags */
192 #define AMDGPU_RESET_GFX			(1 << 0)
193 #define AMDGPU_RESET_COMPUTE			(1 << 1)
194 #define AMDGPU_RESET_DMA			(1 << 2)
195 #define AMDGPU_RESET_CP				(1 << 3)
196 #define AMDGPU_RESET_GRBM			(1 << 4)
197 #define AMDGPU_RESET_DMA1			(1 << 5)
198 #define AMDGPU_RESET_RLC			(1 << 6)
199 #define AMDGPU_RESET_SEM			(1 << 7)
200 #define AMDGPU_RESET_IH				(1 << 8)
201 #define AMDGPU_RESET_VMC			(1 << 9)
202 #define AMDGPU_RESET_MC				(1 << 10)
203 #define AMDGPU_RESET_DISPLAY			(1 << 11)
204 #define AMDGPU_RESET_UVD			(1 << 12)
205 #define AMDGPU_RESET_VCE			(1 << 13)
206 #define AMDGPU_RESET_VCE1			(1 << 14)
207 
208 /* max cursor sizes (in pixels) */
209 #define CIK_CURSOR_WIDTH 128
210 #define CIK_CURSOR_HEIGHT 128
211 
212 struct amdgpu_device;
213 struct amdgpu_ib;
214 struct amdgpu_cs_parser;
215 struct amdgpu_job;
216 struct amdgpu_irq_src;
217 struct amdgpu_fpriv;
218 struct amdgpu_bo_va_mapping;
219 struct amdgpu_atif;
220 struct kfd_vm_fault_info;
221 
222 enum amdgpu_cp_irq {
223 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
224 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
225 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
226 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
227 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
228 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
229 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
230 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
231 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
232 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
233 
234 	AMDGPU_CP_IRQ_LAST
235 };
236 
237 enum amdgpu_thermal_irq {
238 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
239 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
240 
241 	AMDGPU_THERMAL_IRQ_LAST
242 };
243 
244 enum amdgpu_kiq_irq {
245 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
246 	AMDGPU_CP_KIQ_IRQ_LAST
247 };
248 
249 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
250 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
251 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
252 
253 int amdgpu_device_ip_set_clockgating_state(void *dev,
254 					   enum amd_ip_block_type block_type,
255 					   enum amd_clockgating_state state);
256 int amdgpu_device_ip_set_powergating_state(void *dev,
257 					   enum amd_ip_block_type block_type,
258 					   enum amd_powergating_state state);
259 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
260 					    u32 *flags);
261 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
262 				   enum amd_ip_block_type block_type);
263 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
264 			      enum amd_ip_block_type block_type);
265 
266 #define AMDGPU_MAX_IP_NUM 16
267 
268 struct amdgpu_ip_block_status {
269 	bool valid;
270 	bool sw;
271 	bool hw;
272 	bool late_initialized;
273 	bool hang;
274 };
275 
276 struct amdgpu_ip_block_version {
277 	const enum amd_ip_block_type type;
278 	const u32 major;
279 	const u32 minor;
280 	const u32 rev;
281 	const struct amd_ip_funcs *funcs;
282 };
283 
284 struct amdgpu_ip_block {
285 	struct amdgpu_ip_block_status status;
286 	const struct amdgpu_ip_block_version *version;
287 };
288 
289 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
290 				       enum amd_ip_block_type type,
291 				       u32 major, u32 minor);
292 
293 struct amdgpu_ip_block *
294 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
295 			      enum amd_ip_block_type type);
296 
297 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
298 			       const struct amdgpu_ip_block_version *ip_block_version);
299 
300 /*
301  * BIOS.
302  */
303 bool amdgpu_get_bios(struct amdgpu_device *adev);
304 bool amdgpu_read_bios(struct amdgpu_device *adev);
305 
306 /*
307  * Clocks
308  */
309 
310 #define AMDGPU_MAX_PPLL 3
311 
312 struct amdgpu_clock {
313 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
314 	struct amdgpu_pll spll;
315 	struct amdgpu_pll mpll;
316 	/* 10 Khz units */
317 	uint32_t default_mclk;
318 	uint32_t default_sclk;
319 	uint32_t default_dispclk;
320 	uint32_t current_dispclk;
321 	uint32_t dp_extclk;
322 	uint32_t max_pixel_clock;
323 };
324 
325 /* sub-allocation manager, it has to be protected by another lock.
326  * By conception this is an helper for other part of the driver
327  * like the indirect buffer or semaphore, which both have their
328  * locking.
329  *
330  * Principe is simple, we keep a list of sub allocation in offset
331  * order (first entry has offset == 0, last entry has the highest
332  * offset).
333  *
334  * When allocating new object we first check if there is room at
335  * the end total_size - (last_object_offset + last_object_size) >=
336  * alloc_size. If so we allocate new object there.
337  *
338  * When there is not enough room at the end, we start waiting for
339  * each sub object until we reach object_offset+object_size >=
340  * alloc_size, this object then become the sub object we return.
341  *
342  * Alignment can't be bigger than page size.
343  *
344  * Hole are not considered for allocation to keep things simple.
345  * Assumption is that there won't be hole (all object on same
346  * alignment).
347  */
348 
349 #define AMDGPU_SA_NUM_FENCE_LISTS	32
350 
351 struct amdgpu_sa_manager {
352 	wait_queue_head_t	wq;
353 	struct amdgpu_bo	*bo;
354 	struct list_head	*hole;
355 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
356 	struct list_head	olist;
357 	unsigned		size;
358 	uint64_t		gpu_addr;
359 	void			*cpu_ptr;
360 	uint32_t		domain;
361 	uint32_t		align;
362 };
363 
364 /* sub-allocation buffer */
365 struct amdgpu_sa_bo {
366 	struct list_head		olist;
367 	struct list_head		flist;
368 	struct amdgpu_sa_manager	*manager;
369 	unsigned			soffset;
370 	unsigned			eoffset;
371 	struct dma_fence	        *fence;
372 };
373 
374 int amdgpu_fence_slab_init(void);
375 void amdgpu_fence_slab_fini(void);
376 
377 /*
378  * IRQS.
379  */
380 
381 struct amdgpu_flip_work {
382 	struct delayed_work		flip_work;
383 	struct work_struct		unpin_work;
384 	struct amdgpu_device		*adev;
385 	int				crtc_id;
386 	u32				target_vblank;
387 	uint64_t			base;
388 	struct drm_pending_vblank_event *event;
389 	struct amdgpu_bo		*old_abo;
390 	struct dma_fence		*excl;
391 	unsigned			shared_count;
392 	struct dma_fence		**shared;
393 	struct dma_fence_cb		cb;
394 	bool				async;
395 };
396 
397 
398 /*
399  * CP & rings.
400  */
401 
402 struct amdgpu_ib {
403 	struct amdgpu_sa_bo		*sa_bo;
404 	uint32_t			length_dw;
405 	uint64_t			gpu_addr;
406 	uint32_t			*ptr;
407 	uint32_t			flags;
408 };
409 
410 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
411 
412 /*
413  * file private structure
414  */
415 
416 struct amdgpu_fpriv {
417 	struct amdgpu_vm	vm;
418 	struct amdgpu_bo_va	*prt_va;
419 	struct amdgpu_bo_va	*csa_va;
420 	struct mutex		bo_list_lock;
421 	struct idr		bo_list_handles;
422 	struct amdgpu_ctx_mgr	ctx_mgr;
423 };
424 
425 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
426 int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev);
427 
428 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
429 		  unsigned size, struct amdgpu_ib *ib);
430 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
431 		    struct dma_fence *f);
432 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
433 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
434 		       struct dma_fence **f);
435 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
436 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
437 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
438 
439 /*
440  * CS.
441  */
442 struct amdgpu_cs_chunk {
443 	uint32_t		chunk_id;
444 	uint32_t		length_dw;
445 	void			*kdata;
446 };
447 
448 struct amdgpu_cs_post_dep {
449 	struct drm_syncobj *syncobj;
450 	struct dma_fence_chain *chain;
451 	u64 point;
452 };
453 
454 struct amdgpu_cs_parser {
455 	struct amdgpu_device	*adev;
456 	struct drm_file		*filp;
457 	struct amdgpu_ctx	*ctx;
458 
459 	/* chunks */
460 	unsigned		nchunks;
461 	struct amdgpu_cs_chunk	*chunks;
462 
463 	/* scheduler job object */
464 	struct amdgpu_job	*job;
465 	struct drm_sched_entity	*entity;
466 
467 	/* buffer objects */
468 	struct ww_acquire_ctx		ticket;
469 	struct amdgpu_bo_list		*bo_list;
470 	struct amdgpu_mn		*mn;
471 	struct amdgpu_bo_list_entry	vm_pd;
472 	struct list_head		validated;
473 	struct dma_fence		*fence;
474 	uint64_t			bytes_moved_threshold;
475 	uint64_t			bytes_moved_vis_threshold;
476 	uint64_t			bytes_moved;
477 	uint64_t			bytes_moved_vis;
478 	struct amdgpu_bo_list_entry	*evictable;
479 
480 	/* user fence */
481 	struct amdgpu_bo_list_entry	uf_entry;
482 
483 	unsigned			num_post_deps;
484 	struct amdgpu_cs_post_dep	*post_deps;
485 };
486 
487 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
488 				      uint32_t ib_idx, int idx)
489 {
490 	return p->job->ibs[ib_idx].ptr[idx];
491 }
492 
493 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
494 				       uint32_t ib_idx, int idx,
495 				       uint32_t value)
496 {
497 	p->job->ibs[ib_idx].ptr[idx] = value;
498 }
499 
500 /*
501  * Writeback
502  */
503 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
504 
505 struct amdgpu_wb {
506 	struct amdgpu_bo	*wb_obj;
507 	volatile uint32_t	*wb;
508 	uint64_t		gpu_addr;
509 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
510 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
511 };
512 
513 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
514 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
515 
516 /*
517  * Benchmarking
518  */
519 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
520 
521 
522 /*
523  * Testing
524  */
525 void amdgpu_test_moves(struct amdgpu_device *adev);
526 
527 /*
528  * ASIC specific register table accessible by UMD
529  */
530 struct amdgpu_allowed_register_entry {
531 	uint32_t reg_offset;
532 	bool grbm_indexed;
533 };
534 
535 /*
536  * ASIC specific functions.
537  */
538 struct amdgpu_asic_funcs {
539 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
540 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
541 				   u8 *bios, u32 length_bytes);
542 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
543 			     u32 sh_num, u32 reg_offset, u32 *value);
544 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
545 	int (*reset)(struct amdgpu_device *adev);
546 	/* get the reference clock */
547 	u32 (*get_xclk)(struct amdgpu_device *adev);
548 	/* MM block clocks */
549 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
550 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
551 	/* static power management */
552 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
553 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
554 	/* get config memsize register */
555 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
556 	/* flush hdp write queue */
557 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
558 	/* invalidate hdp read cache */
559 	void (*invalidate_hdp)(struct amdgpu_device *adev,
560 			       struct amdgpu_ring *ring);
561 	/* check if the asic needs a full reset of if soft reset will work */
562 	bool (*need_full_reset)(struct amdgpu_device *adev);
563 	/* initialize doorbell layout for specific asic*/
564 	void (*init_doorbell_index)(struct amdgpu_device *adev);
565 	/* PCIe bandwidth usage */
566 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
567 			       uint64_t *count1);
568 	/* do we need to reset the asic at init time (e.g., kexec) */
569 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
570 	/* PCIe replay counter */
571 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
572 };
573 
574 /*
575  * IOCTL.
576  */
577 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
578 				struct drm_file *filp);
579 
580 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
581 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
582 				    struct drm_file *filp);
583 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
584 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
585 				struct drm_file *filp);
586 
587 /* VRAM scratch page for HDP bug, default vram page */
588 struct amdgpu_vram_scratch {
589 	struct amdgpu_bo		*robj;
590 	volatile uint32_t		*ptr;
591 	u64				gpu_addr;
592 };
593 
594 /*
595  * ACPI
596  */
597 struct amdgpu_atcs_functions {
598 	bool get_ext_state;
599 	bool pcie_perf_req;
600 	bool pcie_dev_rdy;
601 	bool pcie_bus_width;
602 };
603 
604 struct amdgpu_atcs {
605 	struct amdgpu_atcs_functions functions;
606 };
607 
608 /*
609  * Firmware VRAM reservation
610  */
611 struct amdgpu_fw_vram_usage {
612 	u64 start_offset;
613 	u64 size;
614 	struct amdgpu_bo *reserved_bo;
615 	void *va;
616 };
617 
618 /*
619  * CGS
620  */
621 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
622 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
623 
624 /*
625  * Core structure, functions and helpers.
626  */
627 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
628 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
629 
630 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
631 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
632 
633 
634 /*
635  * amdgpu nbio functions
636  *
637  */
638 struct nbio_hdp_flush_reg {
639 	u32 ref_and_mask_cp0;
640 	u32 ref_and_mask_cp1;
641 	u32 ref_and_mask_cp2;
642 	u32 ref_and_mask_cp3;
643 	u32 ref_and_mask_cp4;
644 	u32 ref_and_mask_cp5;
645 	u32 ref_and_mask_cp6;
646 	u32 ref_and_mask_cp7;
647 	u32 ref_and_mask_cp8;
648 	u32 ref_and_mask_cp9;
649 	u32 ref_and_mask_sdma0;
650 	u32 ref_and_mask_sdma1;
651 };
652 
653 struct amdgpu_mmio_remap {
654 	u32 reg_offset;
655 	resource_size_t bus_addr;
656 };
657 
658 struct amdgpu_nbio_funcs {
659 	const struct nbio_hdp_flush_reg *hdp_flush_reg;
660 	u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
661 	u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
662 	u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
663 	u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
664 	u32 (*get_rev_id)(struct amdgpu_device *adev);
665 	void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
666 	void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
667 	u32 (*get_memsize)(struct amdgpu_device *adev);
668 	void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
669 			bool use_doorbell, int doorbell_index, int doorbell_size);
670 	void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
671 			int doorbell_index);
672 	void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
673 					 bool enable);
674 	void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
675 						  bool enable);
676 	void (*ih_doorbell_range)(struct amdgpu_device *adev,
677 				  bool use_doorbell, int doorbell_index);
678 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
679 						 bool enable);
680 	void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
681 						bool enable);
682 	void (*get_clockgating_state)(struct amdgpu_device *adev,
683 				      u32 *flags);
684 	void (*ih_control)(struct amdgpu_device *adev);
685 	void (*init_registers)(struct amdgpu_device *adev);
686 	void (*detect_hw_virt)(struct amdgpu_device *adev);
687 	void (*remap_hdp_registers)(struct amdgpu_device *adev);
688 };
689 
690 struct amdgpu_df_funcs {
691 	void (*sw_init)(struct amdgpu_device *adev);
692 	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
693 				      bool enable);
694 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
695 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
696 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
697 						 bool enable);
698 	void (*get_clockgating_state)(struct amdgpu_device *adev,
699 				      u32 *flags);
700 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
701 					    bool enable);
702 	int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
703 					 int is_enable);
704 	int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
705 					 int is_disable);
706 	void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
707 					 uint64_t *count);
708 };
709 /* Define the HW IP blocks will be used in driver , add more if necessary */
710 enum amd_hw_ip_block_type {
711 	GC_HWIP = 1,
712 	HDP_HWIP,
713 	SDMA0_HWIP,
714 	SDMA1_HWIP,
715 	MMHUB_HWIP,
716 	ATHUB_HWIP,
717 	NBIO_HWIP,
718 	MP0_HWIP,
719 	MP1_HWIP,
720 	UVD_HWIP,
721 	VCN_HWIP = UVD_HWIP,
722 	VCE_HWIP,
723 	DF_HWIP,
724 	DCE_HWIP,
725 	OSSSYS_HWIP,
726 	SMUIO_HWIP,
727 	PWR_HWIP,
728 	NBIF_HWIP,
729 	THM_HWIP,
730 	CLK_HWIP,
731 	MAX_HWIP
732 };
733 
734 #define HWIP_MAX_INSTANCE	6
735 
736 struct amd_powerplay {
737 	void *pp_handle;
738 	const struct amd_pm_funcs *pp_funcs;
739 };
740 
741 #define AMDGPU_RESET_MAGIC_NUM 64
742 #define AMDGPU_MAX_DF_PERFMONS 4
743 struct amdgpu_device {
744 	struct device			*dev;
745 	struct drm_device		*ddev;
746 	struct pci_dev			*pdev;
747 
748 #ifdef CONFIG_DRM_AMD_ACP
749 	struct amdgpu_acp		acp;
750 #endif
751 
752 	/* ASIC */
753 	enum amd_asic_type		asic_type;
754 	uint32_t			family;
755 	uint32_t			rev_id;
756 	uint32_t			external_rev_id;
757 	unsigned long			flags;
758 	int				usec_timeout;
759 	const struct amdgpu_asic_funcs	*asic_funcs;
760 	bool				shutdown;
761 	bool				need_dma32;
762 	bool				need_swiotlb;
763 	bool				accel_working;
764 	struct notifier_block		acpi_nb;
765 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
766 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
767 	unsigned			debugfs_count;
768 #if defined(CONFIG_DEBUG_FS)
769 	struct dentry                   *debugfs_preempt;
770 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
771 #endif
772 	struct amdgpu_atif		*atif;
773 	struct amdgpu_atcs		atcs;
774 	struct mutex			srbm_mutex;
775 	/* GRBM index mutex. Protects concurrent access to GRBM index */
776 	struct mutex                    grbm_idx_mutex;
777 	struct dev_pm_domain		vga_pm_domain;
778 	bool				have_disp_power_ref;
779 	bool                            have_atomics_support;
780 
781 	/* BIOS */
782 	bool				is_atom_fw;
783 	uint8_t				*bios;
784 	uint32_t			bios_size;
785 	struct amdgpu_bo		*stolen_vga_memory;
786 	uint32_t			bios_scratch_reg_offset;
787 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
788 
789 	/* Register/doorbell mmio */
790 	resource_size_t			rmmio_base;
791 	resource_size_t			rmmio_size;
792 	void __iomem			*rmmio;
793 	/* protects concurrent MM_INDEX/DATA based register access */
794 	spinlock_t mmio_idx_lock;
795 	struct amdgpu_mmio_remap        rmmio_remap;
796 	/* protects concurrent SMC based register access */
797 	spinlock_t smc_idx_lock;
798 	amdgpu_rreg_t			smc_rreg;
799 	amdgpu_wreg_t			smc_wreg;
800 	/* protects concurrent PCIE register access */
801 	spinlock_t pcie_idx_lock;
802 	amdgpu_rreg_t			pcie_rreg;
803 	amdgpu_wreg_t			pcie_wreg;
804 	amdgpu_rreg_t			pciep_rreg;
805 	amdgpu_wreg_t			pciep_wreg;
806 	/* protects concurrent UVD register access */
807 	spinlock_t uvd_ctx_idx_lock;
808 	amdgpu_rreg_t			uvd_ctx_rreg;
809 	amdgpu_wreg_t			uvd_ctx_wreg;
810 	/* protects concurrent DIDT register access */
811 	spinlock_t didt_idx_lock;
812 	amdgpu_rreg_t			didt_rreg;
813 	amdgpu_wreg_t			didt_wreg;
814 	/* protects concurrent gc_cac register access */
815 	spinlock_t gc_cac_idx_lock;
816 	amdgpu_rreg_t			gc_cac_rreg;
817 	amdgpu_wreg_t			gc_cac_wreg;
818 	/* protects concurrent se_cac register access */
819 	spinlock_t se_cac_idx_lock;
820 	amdgpu_rreg_t			se_cac_rreg;
821 	amdgpu_wreg_t			se_cac_wreg;
822 	/* protects concurrent ENDPOINT (audio) register access */
823 	spinlock_t audio_endpt_idx_lock;
824 	amdgpu_block_rreg_t		audio_endpt_rreg;
825 	amdgpu_block_wreg_t		audio_endpt_wreg;
826 	void __iomem                    *rio_mem;
827 	resource_size_t			rio_mem_size;
828 	struct amdgpu_doorbell		doorbell;
829 
830 	/* clock/pll info */
831 	struct amdgpu_clock            clock;
832 
833 	/* MC */
834 	struct amdgpu_gmc		gmc;
835 	struct amdgpu_gart		gart;
836 	dma_addr_t			dummy_page_addr;
837 	struct amdgpu_vm_manager	vm_manager;
838 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
839 
840 	/* memory management */
841 	struct amdgpu_mman		mman;
842 	struct amdgpu_vram_scratch	vram_scratch;
843 	struct amdgpu_wb		wb;
844 	atomic64_t			num_bytes_moved;
845 	atomic64_t			num_evictions;
846 	atomic64_t			num_vram_cpu_page_faults;
847 	atomic_t			gpu_reset_counter;
848 	atomic_t			vram_lost_counter;
849 
850 	/* data for buffer migration throttling */
851 	struct {
852 		spinlock_t		lock;
853 		s64			last_update_us;
854 		s64			accum_us; /* accumulated microseconds */
855 		s64			accum_us_vis; /* for visible VRAM */
856 		u32			log2_max_MBps;
857 	} mm_stats;
858 
859 	/* display */
860 	bool				enable_virtual_display;
861 	struct amdgpu_mode_info		mode_info;
862 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
863 	struct work_struct		hotplug_work;
864 	struct amdgpu_irq_src		crtc_irq;
865 	struct amdgpu_irq_src		vupdate_irq;
866 	struct amdgpu_irq_src		pageflip_irq;
867 	struct amdgpu_irq_src		hpd_irq;
868 
869 	/* rings */
870 	u64				fence_context;
871 	unsigned			num_rings;
872 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
873 	bool				ib_pool_ready;
874 	struct amdgpu_sa_manager	ring_tmp_bo;
875 
876 	/* interrupts */
877 	struct amdgpu_irq		irq;
878 
879 	/* powerplay */
880 	struct amd_powerplay		powerplay;
881 	bool				pp_force_state_enabled;
882 
883 	/* smu */
884 	struct smu_context		smu;
885 
886 	/* dpm */
887 	struct amdgpu_pm		pm;
888 	u32				cg_flags;
889 	u32				pg_flags;
890 
891 	/* gfx */
892 	struct amdgpu_gfx		gfx;
893 
894 	/* sdma */
895 	struct amdgpu_sdma		sdma;
896 
897 	/* uvd */
898 	struct amdgpu_uvd		uvd;
899 
900 	/* vce */
901 	struct amdgpu_vce		vce;
902 
903 	/* vcn */
904 	struct amdgpu_vcn		vcn;
905 
906 	/* firmwares */
907 	struct amdgpu_firmware		firmware;
908 
909 	/* PSP */
910 	struct psp_context		psp;
911 
912 	/* GDS */
913 	struct amdgpu_gds		gds;
914 
915 	/* KFD */
916 	struct amdgpu_kfd_dev		kfd;
917 
918 	/* display related functionality */
919 	struct amdgpu_display_manager dm;
920 
921 	/* discovery */
922 	uint8_t				*discovery;
923 
924 	/* mes */
925 	bool                            enable_mes;
926 	struct amdgpu_mes               mes;
927 
928 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
929 	int				num_ip_blocks;
930 	struct mutex	mn_lock;
931 	DECLARE_HASHTABLE(mn_hash, 7);
932 
933 	/* tracking pinned memory */
934 	atomic64_t vram_pin_size;
935 	atomic64_t visible_pin_size;
936 	atomic64_t gart_pin_size;
937 
938 	/* soc15 register offset based on ip, instance and  segment */
939 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
940 
941 	const struct amdgpu_nbio_funcs	*nbio_funcs;
942 	const struct amdgpu_df_funcs	*df_funcs;
943 
944 	/* delayed work_func for deferring clockgating during resume */
945 	struct delayed_work     delayed_init_work;
946 
947 	struct amdgpu_virt	virt;
948 	/* firmware VRAM reservation */
949 	struct amdgpu_fw_vram_usage fw_vram_usage;
950 
951 	/* link all shadow bo */
952 	struct list_head                shadow_list;
953 	struct mutex                    shadow_list_lock;
954 	/* keep an lru list of rings by HW IP */
955 	struct list_head		ring_lru_list;
956 	spinlock_t			ring_lru_list_lock;
957 
958 	/* record hw reset is performed */
959 	bool has_hw_reset;
960 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
961 
962 	/* s3/s4 mask */
963 	bool                            in_suspend;
964 
965 	/* record last mm index being written through WREG32*/
966 	unsigned long last_mm_index;
967 	bool                            in_gpu_reset;
968 	struct mutex  lock_reset;
969 	struct amdgpu_doorbell_index doorbell_index;
970 
971 	int asic_reset_res;
972 	struct work_struct		xgmi_reset_work;
973 
974 	bool                            in_baco_reset;
975 
976 	long				gfx_timeout;
977 	long				sdma_timeout;
978 	long				video_timeout;
979 	long				compute_timeout;
980 
981 	uint64_t			unique_id;
982 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
983 };
984 
985 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
986 {
987 	return container_of(bdev, struct amdgpu_device, mman.bdev);
988 }
989 
990 int amdgpu_device_init(struct amdgpu_device *adev,
991 		       struct drm_device *ddev,
992 		       struct pci_dev *pdev,
993 		       uint32_t flags);
994 void amdgpu_device_fini(struct amdgpu_device *adev);
995 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
996 
997 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
998 			uint32_t acc_flags);
999 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1000 		    uint32_t acc_flags);
1001 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1002 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1003 
1004 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1005 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1006 
1007 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1008 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1009 
1010 int emu_soc_asic_init(struct amdgpu_device *adev);
1011 
1012 /*
1013  * Registers read & write functions.
1014  */
1015 
1016 #define AMDGPU_REGS_IDX       (1<<0)
1017 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1018 
1019 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1020 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1021 
1022 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1023 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1024 
1025 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1026 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1027 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1028 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1029 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1030 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1031 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1032 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1033 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1034 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1035 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1036 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1037 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1038 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1039 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1040 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1041 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1042 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1043 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1044 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1045 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1046 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1047 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1048 #define WREG32_P(reg, val, mask)				\
1049 	do {							\
1050 		uint32_t tmp_ = RREG32(reg);			\
1051 		tmp_ &= (mask);					\
1052 		tmp_ |= ((val) & ~(mask));			\
1053 		WREG32(reg, tmp_);				\
1054 	} while (0)
1055 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1056 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1057 #define WREG32_PLL_P(reg, val, mask)				\
1058 	do {							\
1059 		uint32_t tmp_ = RREG32_PLL(reg);		\
1060 		tmp_ &= (mask);					\
1061 		tmp_ |= ((val) & ~(mask));			\
1062 		WREG32_PLL(reg, tmp_);				\
1063 	} while (0)
1064 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1065 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1066 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1067 
1068 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1069 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1070 
1071 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1072 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1073 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1074 
1075 #define REG_GET_FIELD(value, reg, field)				\
1076 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1077 
1078 #define WREG32_FIELD(reg, field, val)	\
1079 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1080 
1081 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1082 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1083 
1084 /*
1085  * BIOS helpers.
1086  */
1087 #define RBIOS8(i) (adev->bios[i])
1088 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1089 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1090 
1091 /*
1092  * ASICs macro.
1093  */
1094 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1095 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1096 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1097 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1098 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1099 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1100 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1101 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1102 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1103 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1104 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1105 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1106 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1107 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1108 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1109 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1110 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1111 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1112 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1113 
1114 /* Common functions */
1115 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1116 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1117 			      struct amdgpu_job* job);
1118 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1119 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1120 
1121 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1122 				  u64 num_vis_bytes);
1123 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1124 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1125 					     const u32 *registers,
1126 					     const u32 array_size);
1127 
1128 bool amdgpu_device_is_px(struct drm_device *dev);
1129 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1130 				      struct amdgpu_device *peer_adev);
1131 
1132 /* atpx handler */
1133 #if defined(CONFIG_VGA_SWITCHEROO)
1134 void amdgpu_register_atpx_handler(void);
1135 void amdgpu_unregister_atpx_handler(void);
1136 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1137 bool amdgpu_is_atpx_hybrid(void);
1138 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1139 bool amdgpu_has_atpx(void);
1140 #else
1141 static inline void amdgpu_register_atpx_handler(void) {}
1142 static inline void amdgpu_unregister_atpx_handler(void) {}
1143 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1144 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1145 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1146 static inline bool amdgpu_has_atpx(void) { return false; }
1147 #endif
1148 
1149 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1150 void *amdgpu_atpx_get_dhandle(void);
1151 #else
1152 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1153 #endif
1154 
1155 /*
1156  * KMS
1157  */
1158 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1159 extern const int amdgpu_max_kms_ioctl;
1160 
1161 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1162 void amdgpu_driver_unload_kms(struct drm_device *dev);
1163 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1164 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1165 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1166 				 struct drm_file *file_priv);
1167 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1168 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1169 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1170 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1171 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1172 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1173 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1174 			     unsigned long arg);
1175 
1176 /*
1177  * functions used by amdgpu_encoder.c
1178  */
1179 struct amdgpu_afmt_acr {
1180 	u32 clock;
1181 
1182 	int n_32khz;
1183 	int cts_32khz;
1184 
1185 	int n_44_1khz;
1186 	int cts_44_1khz;
1187 
1188 	int n_48khz;
1189 	int cts_48khz;
1190 
1191 };
1192 
1193 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1194 
1195 /* amdgpu_acpi.c */
1196 #if defined(CONFIG_ACPI)
1197 int amdgpu_acpi_init(struct amdgpu_device *adev);
1198 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1199 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1200 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1201 						u8 perf_req, bool advertise);
1202 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1203 
1204 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1205 		struct amdgpu_dm_backlight_caps *caps);
1206 #else
1207 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1208 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1209 #endif
1210 
1211 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1212 			   uint64_t addr, struct amdgpu_bo **bo,
1213 			   struct amdgpu_bo_va_mapping **mapping);
1214 
1215 #if defined(CONFIG_DRM_AMD_DC)
1216 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1217 #else
1218 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1219 #endif
1220 
1221 
1222 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1223 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1224 
1225 #include "amdgpu_object.h"
1226 
1227 /* used by df_v3_6.c and amdgpu_pmu.c */
1228 #define AMDGPU_PMU_ATTR(_name, _object)					\
1229 static ssize_t								\
1230 _name##_show(struct device *dev,					\
1231 			       struct device_attribute *attr,		\
1232 			       char *page)				\
1233 {									\
1234 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1235 	return sprintf(page, _object "\n");				\
1236 }									\
1237 									\
1238 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1239 
1240 #endif
1241 
1242