xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 165f2d28)
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_jpeg.h"
73 #include "amdgpu_mn.h"
74 #include "amdgpu_gmc.h"
75 #include "amdgpu_gfx.h"
76 #include "amdgpu_sdma.h"
77 #include "amdgpu_nbio.h"
78 #include "amdgpu_dm.h"
79 #include "amdgpu_virt.h"
80 #include "amdgpu_csa.h"
81 #include "amdgpu_gart.h"
82 #include "amdgpu_debugfs.h"
83 #include "amdgpu_job.h"
84 #include "amdgpu_bo_list.h"
85 #include "amdgpu_gem.h"
86 #include "amdgpu_doorbell.h"
87 #include "amdgpu_amdkfd.h"
88 #include "amdgpu_smu.h"
89 #include "amdgpu_discovery.h"
90 #include "amdgpu_mes.h"
91 #include "amdgpu_umc.h"
92 #include "amdgpu_mmhub.h"
93 #include "amdgpu_df.h"
94 
95 #define MAX_GPU_INSTANCE		16
96 
97 struct amdgpu_gpu_instance
98 {
99 	struct amdgpu_device		*adev;
100 	int				mgpu_fan_enabled;
101 };
102 
103 struct amdgpu_mgpu_info
104 {
105 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
106 	struct mutex			mutex;
107 	uint32_t			num_gpu;
108 	uint32_t			num_dgpu;
109 	uint32_t			num_apu;
110 };
111 
112 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
113 
114 /*
115  * Modules parameters.
116  */
117 extern int amdgpu_modeset;
118 extern int amdgpu_vram_limit;
119 extern int amdgpu_vis_vram_limit;
120 extern int amdgpu_gart_size;
121 extern int amdgpu_gtt_size;
122 extern int amdgpu_moverate;
123 extern int amdgpu_benchmarking;
124 extern int amdgpu_testing;
125 extern int amdgpu_audio;
126 extern int amdgpu_disp_priority;
127 extern int amdgpu_hw_i2c;
128 extern int amdgpu_pcie_gen2;
129 extern int amdgpu_msi;
130 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
131 extern int amdgpu_dpm;
132 extern int amdgpu_fw_load_type;
133 extern int amdgpu_aspm;
134 extern int amdgpu_runtime_pm;
135 extern uint amdgpu_ip_block_mask;
136 extern int amdgpu_bapm;
137 extern int amdgpu_deep_color;
138 extern int amdgpu_vm_size;
139 extern int amdgpu_vm_block_size;
140 extern int amdgpu_vm_fragment_size;
141 extern int amdgpu_vm_fault_stop;
142 extern int amdgpu_vm_debug;
143 extern int amdgpu_vm_update_mode;
144 extern int amdgpu_exp_hw_support;
145 extern int amdgpu_dc;
146 extern int amdgpu_sched_jobs;
147 extern int amdgpu_sched_hw_submission;
148 extern uint amdgpu_pcie_gen_cap;
149 extern uint amdgpu_pcie_lane_cap;
150 extern uint amdgpu_cg_mask;
151 extern uint amdgpu_pg_mask;
152 extern uint amdgpu_sdma_phase_quantum;
153 extern char *amdgpu_disable_cu;
154 extern char *amdgpu_virtual_display;
155 extern uint amdgpu_pp_feature_mask;
156 extern uint amdgpu_force_long_training;
157 extern int amdgpu_job_hang_limit;
158 extern int amdgpu_lbpw;
159 extern int amdgpu_compute_multipipe;
160 extern int amdgpu_gpu_recovery;
161 extern int amdgpu_emu_mode;
162 extern uint amdgpu_smu_memory_pool_size;
163 extern uint amdgpu_dc_feature_mask;
164 extern uint amdgpu_dm_abm_level;
165 extern struct amdgpu_mgpu_info mgpu_info;
166 extern int amdgpu_ras_enable;
167 extern uint amdgpu_ras_mask;
168 extern int amdgpu_async_gfx_ring;
169 extern int amdgpu_mcbp;
170 extern int amdgpu_discovery;
171 extern int amdgpu_mes;
172 extern int amdgpu_noretry;
173 extern int amdgpu_force_asic_type;
174 #ifdef CONFIG_HSA_AMD
175 extern int sched_policy;
176 #else
177 static const int sched_policy = KFD_SCHED_POLICY_HWS;
178 #endif
179 
180 #ifdef CONFIG_DRM_AMDGPU_SI
181 extern int amdgpu_si_support;
182 #endif
183 #ifdef CONFIG_DRM_AMDGPU_CIK
184 extern int amdgpu_cik_support;
185 #endif
186 
187 #define AMDGPU_VM_MAX_NUM_CTX			4096
188 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
189 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
190 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
191 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
192 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
193 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
194 #define AMDGPU_IB_POOL_SIZE			16
195 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
196 #define AMDGPUFB_CONN_LIMIT			4
197 #define AMDGPU_BIOS_NUM_SCRATCH			16
198 
199 /* hard reset data */
200 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
201 
202 /* reset flags */
203 #define AMDGPU_RESET_GFX			(1 << 0)
204 #define AMDGPU_RESET_COMPUTE			(1 << 1)
205 #define AMDGPU_RESET_DMA			(1 << 2)
206 #define AMDGPU_RESET_CP				(1 << 3)
207 #define AMDGPU_RESET_GRBM			(1 << 4)
208 #define AMDGPU_RESET_DMA1			(1 << 5)
209 #define AMDGPU_RESET_RLC			(1 << 6)
210 #define AMDGPU_RESET_SEM			(1 << 7)
211 #define AMDGPU_RESET_IH				(1 << 8)
212 #define AMDGPU_RESET_VMC			(1 << 9)
213 #define AMDGPU_RESET_MC				(1 << 10)
214 #define AMDGPU_RESET_DISPLAY			(1 << 11)
215 #define AMDGPU_RESET_UVD			(1 << 12)
216 #define AMDGPU_RESET_VCE			(1 << 13)
217 #define AMDGPU_RESET_VCE1			(1 << 14)
218 
219 /* max cursor sizes (in pixels) */
220 #define CIK_CURSOR_WIDTH 128
221 #define CIK_CURSOR_HEIGHT 128
222 
223 struct amdgpu_device;
224 struct amdgpu_ib;
225 struct amdgpu_cs_parser;
226 struct amdgpu_job;
227 struct amdgpu_irq_src;
228 struct amdgpu_fpriv;
229 struct amdgpu_bo_va_mapping;
230 struct amdgpu_atif;
231 struct kfd_vm_fault_info;
232 
233 enum amdgpu_cp_irq {
234 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
235 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
236 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
237 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
238 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
239 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
240 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
241 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
242 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
243 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
244 
245 	AMDGPU_CP_IRQ_LAST
246 };
247 
248 enum amdgpu_thermal_irq {
249 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
250 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
251 
252 	AMDGPU_THERMAL_IRQ_LAST
253 };
254 
255 enum amdgpu_kiq_irq {
256 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
257 	AMDGPU_CP_KIQ_IRQ_LAST
258 };
259 
260 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
261 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
262 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
263 
264 int amdgpu_device_ip_set_clockgating_state(void *dev,
265 					   enum amd_ip_block_type block_type,
266 					   enum amd_clockgating_state state);
267 int amdgpu_device_ip_set_powergating_state(void *dev,
268 					   enum amd_ip_block_type block_type,
269 					   enum amd_powergating_state state);
270 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
271 					    u32 *flags);
272 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
273 				   enum amd_ip_block_type block_type);
274 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
275 			      enum amd_ip_block_type block_type);
276 
277 #define AMDGPU_MAX_IP_NUM 16
278 
279 struct amdgpu_ip_block_status {
280 	bool valid;
281 	bool sw;
282 	bool hw;
283 	bool late_initialized;
284 	bool hang;
285 };
286 
287 struct amdgpu_ip_block_version {
288 	const enum amd_ip_block_type type;
289 	const u32 major;
290 	const u32 minor;
291 	const u32 rev;
292 	const struct amd_ip_funcs *funcs;
293 };
294 
295 #define HW_REV(_Major, _Minor, _Rev) \
296 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
297 
298 struct amdgpu_ip_block {
299 	struct amdgpu_ip_block_status status;
300 	const struct amdgpu_ip_block_version *version;
301 };
302 
303 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
304 				       enum amd_ip_block_type type,
305 				       u32 major, u32 minor);
306 
307 struct amdgpu_ip_block *
308 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
309 			      enum amd_ip_block_type type);
310 
311 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
312 			       const struct amdgpu_ip_block_version *ip_block_version);
313 
314 /*
315  * BIOS.
316  */
317 bool amdgpu_get_bios(struct amdgpu_device *adev);
318 bool amdgpu_read_bios(struct amdgpu_device *adev);
319 
320 /*
321  * Clocks
322  */
323 
324 #define AMDGPU_MAX_PPLL 3
325 
326 struct amdgpu_clock {
327 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
328 	struct amdgpu_pll spll;
329 	struct amdgpu_pll mpll;
330 	/* 10 Khz units */
331 	uint32_t default_mclk;
332 	uint32_t default_sclk;
333 	uint32_t default_dispclk;
334 	uint32_t current_dispclk;
335 	uint32_t dp_extclk;
336 	uint32_t max_pixel_clock;
337 };
338 
339 /* sub-allocation manager, it has to be protected by another lock.
340  * By conception this is an helper for other part of the driver
341  * like the indirect buffer or semaphore, which both have their
342  * locking.
343  *
344  * Principe is simple, we keep a list of sub allocation in offset
345  * order (first entry has offset == 0, last entry has the highest
346  * offset).
347  *
348  * When allocating new object we first check if there is room at
349  * the end total_size - (last_object_offset + last_object_size) >=
350  * alloc_size. If so we allocate new object there.
351  *
352  * When there is not enough room at the end, we start waiting for
353  * each sub object until we reach object_offset+object_size >=
354  * alloc_size, this object then become the sub object we return.
355  *
356  * Alignment can't be bigger than page size.
357  *
358  * Hole are not considered for allocation to keep things simple.
359  * Assumption is that there won't be hole (all object on same
360  * alignment).
361  */
362 
363 #define AMDGPU_SA_NUM_FENCE_LISTS	32
364 
365 struct amdgpu_sa_manager {
366 	wait_queue_head_t	wq;
367 	struct amdgpu_bo	*bo;
368 	struct list_head	*hole;
369 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
370 	struct list_head	olist;
371 	unsigned		size;
372 	uint64_t		gpu_addr;
373 	void			*cpu_ptr;
374 	uint32_t		domain;
375 	uint32_t		align;
376 };
377 
378 /* sub-allocation buffer */
379 struct amdgpu_sa_bo {
380 	struct list_head		olist;
381 	struct list_head		flist;
382 	struct amdgpu_sa_manager	*manager;
383 	unsigned			soffset;
384 	unsigned			eoffset;
385 	struct dma_fence	        *fence;
386 };
387 
388 int amdgpu_fence_slab_init(void);
389 void amdgpu_fence_slab_fini(void);
390 
391 /*
392  * IRQS.
393  */
394 
395 struct amdgpu_flip_work {
396 	struct delayed_work		flip_work;
397 	struct work_struct		unpin_work;
398 	struct amdgpu_device		*adev;
399 	int				crtc_id;
400 	u32				target_vblank;
401 	uint64_t			base;
402 	struct drm_pending_vblank_event *event;
403 	struct amdgpu_bo		*old_abo;
404 	struct dma_fence		*excl;
405 	unsigned			shared_count;
406 	struct dma_fence		**shared;
407 	struct dma_fence_cb		cb;
408 	bool				async;
409 };
410 
411 
412 /*
413  * CP & rings.
414  */
415 
416 struct amdgpu_ib {
417 	struct amdgpu_sa_bo		*sa_bo;
418 	uint32_t			length_dw;
419 	uint64_t			gpu_addr;
420 	uint32_t			*ptr;
421 	uint32_t			flags;
422 };
423 
424 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
425 
426 /*
427  * file private structure
428  */
429 
430 struct amdgpu_fpriv {
431 	struct amdgpu_vm	vm;
432 	struct amdgpu_bo_va	*prt_va;
433 	struct amdgpu_bo_va	*csa_va;
434 	struct mutex		bo_list_lock;
435 	struct idr		bo_list_handles;
436 	struct amdgpu_ctx_mgr	ctx_mgr;
437 };
438 
439 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
440 
441 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
442 		  unsigned size, struct amdgpu_ib *ib);
443 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
444 		    struct dma_fence *f);
445 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
446 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
447 		       struct dma_fence **f);
448 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
449 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
450 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
451 
452 /*
453  * CS.
454  */
455 struct amdgpu_cs_chunk {
456 	uint32_t		chunk_id;
457 	uint32_t		length_dw;
458 	void			*kdata;
459 };
460 
461 struct amdgpu_cs_post_dep {
462 	struct drm_syncobj *syncobj;
463 	struct dma_fence_chain *chain;
464 	u64 point;
465 };
466 
467 struct amdgpu_cs_parser {
468 	struct amdgpu_device	*adev;
469 	struct drm_file		*filp;
470 	struct amdgpu_ctx	*ctx;
471 
472 	/* chunks */
473 	unsigned		nchunks;
474 	struct amdgpu_cs_chunk	*chunks;
475 
476 	/* scheduler job object */
477 	struct amdgpu_job	*job;
478 	struct drm_sched_entity	*entity;
479 
480 	/* buffer objects */
481 	struct ww_acquire_ctx		ticket;
482 	struct amdgpu_bo_list		*bo_list;
483 	struct amdgpu_mn		*mn;
484 	struct amdgpu_bo_list_entry	vm_pd;
485 	struct list_head		validated;
486 	struct dma_fence		*fence;
487 	uint64_t			bytes_moved_threshold;
488 	uint64_t			bytes_moved_vis_threshold;
489 	uint64_t			bytes_moved;
490 	uint64_t			bytes_moved_vis;
491 
492 	/* user fence */
493 	struct amdgpu_bo_list_entry	uf_entry;
494 
495 	unsigned			num_post_deps;
496 	struct amdgpu_cs_post_dep	*post_deps;
497 };
498 
499 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
500 				      uint32_t ib_idx, int idx)
501 {
502 	return p->job->ibs[ib_idx].ptr[idx];
503 }
504 
505 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
506 				       uint32_t ib_idx, int idx,
507 				       uint32_t value)
508 {
509 	p->job->ibs[ib_idx].ptr[idx] = value;
510 }
511 
512 /*
513  * Writeback
514  */
515 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
516 
517 struct amdgpu_wb {
518 	struct amdgpu_bo	*wb_obj;
519 	volatile uint32_t	*wb;
520 	uint64_t		gpu_addr;
521 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
522 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
523 };
524 
525 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
526 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
527 
528 /*
529  * Benchmarking
530  */
531 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
532 
533 
534 /*
535  * Testing
536  */
537 void amdgpu_test_moves(struct amdgpu_device *adev);
538 
539 /*
540  * ASIC specific register table accessible by UMD
541  */
542 struct amdgpu_allowed_register_entry {
543 	uint32_t reg_offset;
544 	bool grbm_indexed;
545 };
546 
547 enum amd_reset_method {
548 	AMD_RESET_METHOD_LEGACY = 0,
549 	AMD_RESET_METHOD_MODE0,
550 	AMD_RESET_METHOD_MODE1,
551 	AMD_RESET_METHOD_MODE2,
552 	AMD_RESET_METHOD_BACO
553 };
554 
555 /*
556  * ASIC specific functions.
557  */
558 struct amdgpu_asic_funcs {
559 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
560 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
561 				   u8 *bios, u32 length_bytes);
562 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
563 			     u32 sh_num, u32 reg_offset, u32 *value);
564 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
565 	int (*reset)(struct amdgpu_device *adev);
566 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
567 	/* get the reference clock */
568 	u32 (*get_xclk)(struct amdgpu_device *adev);
569 	/* MM block clocks */
570 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
571 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
572 	/* static power management */
573 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
574 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
575 	/* get config memsize register */
576 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
577 	/* flush hdp write queue */
578 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
579 	/* invalidate hdp read cache */
580 	void (*invalidate_hdp)(struct amdgpu_device *adev,
581 			       struct amdgpu_ring *ring);
582 	void (*reset_hdp_ras_error_count)(struct amdgpu_device *adev);
583 	/* check if the asic needs a full reset of if soft reset will work */
584 	bool (*need_full_reset)(struct amdgpu_device *adev);
585 	/* initialize doorbell layout for specific asic*/
586 	void (*init_doorbell_index)(struct amdgpu_device *adev);
587 	/* PCIe bandwidth usage */
588 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
589 			       uint64_t *count1);
590 	/* do we need to reset the asic at init time (e.g., kexec) */
591 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
592 	/* PCIe replay counter */
593 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
594 	/* device supports BACO */
595 	bool (*supports_baco)(struct amdgpu_device *adev);
596 };
597 
598 /*
599  * IOCTL.
600  */
601 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
602 				struct drm_file *filp);
603 
604 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
605 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
606 				    struct drm_file *filp);
607 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
608 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
609 				struct drm_file *filp);
610 
611 /* VRAM scratch page for HDP bug, default vram page */
612 struct amdgpu_vram_scratch {
613 	struct amdgpu_bo		*robj;
614 	volatile uint32_t		*ptr;
615 	u64				gpu_addr;
616 };
617 
618 /*
619  * ACPI
620  */
621 struct amdgpu_atcs_functions {
622 	bool get_ext_state;
623 	bool pcie_perf_req;
624 	bool pcie_dev_rdy;
625 	bool pcie_bus_width;
626 };
627 
628 struct amdgpu_atcs {
629 	struct amdgpu_atcs_functions functions;
630 };
631 
632 /*
633  * Firmware VRAM reservation
634  */
635 struct amdgpu_fw_vram_usage {
636 	u64 start_offset;
637 	u64 size;
638 	struct amdgpu_bo *reserved_bo;
639 	void *va;
640 
641 	/* GDDR6 training support flag.
642 	*/
643 	bool mem_train_support;
644 };
645 
646 /*
647  * CGS
648  */
649 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
650 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
651 
652 /*
653  * Core structure, functions and helpers.
654  */
655 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
656 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
657 
658 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
659 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
660 
661 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
662 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
663 
664 struct amdgpu_mmio_remap {
665 	u32 reg_offset;
666 	resource_size_t bus_addr;
667 };
668 
669 /* Define the HW IP blocks will be used in driver , add more if necessary */
670 enum amd_hw_ip_block_type {
671 	GC_HWIP = 1,
672 	HDP_HWIP,
673 	SDMA0_HWIP,
674 	SDMA1_HWIP,
675 	SDMA2_HWIP,
676 	SDMA3_HWIP,
677 	SDMA4_HWIP,
678 	SDMA5_HWIP,
679 	SDMA6_HWIP,
680 	SDMA7_HWIP,
681 	MMHUB_HWIP,
682 	ATHUB_HWIP,
683 	NBIO_HWIP,
684 	MP0_HWIP,
685 	MP1_HWIP,
686 	UVD_HWIP,
687 	VCN_HWIP = UVD_HWIP,
688 	JPEG_HWIP = VCN_HWIP,
689 	VCE_HWIP,
690 	DF_HWIP,
691 	DCE_HWIP,
692 	OSSSYS_HWIP,
693 	SMUIO_HWIP,
694 	PWR_HWIP,
695 	NBIF_HWIP,
696 	THM_HWIP,
697 	CLK_HWIP,
698 	UMC_HWIP,
699 	RSMU_HWIP,
700 	MAX_HWIP
701 };
702 
703 #define HWIP_MAX_INSTANCE	8
704 
705 struct amd_powerplay {
706 	void *pp_handle;
707 	const struct amd_pm_funcs *pp_funcs;
708 };
709 
710 #define AMDGPU_RESET_MAGIC_NUM 64
711 #define AMDGPU_MAX_DF_PERFMONS 4
712 struct amdgpu_device {
713 	struct device			*dev;
714 	struct drm_device		*ddev;
715 	struct pci_dev			*pdev;
716 
717 #ifdef CONFIG_DRM_AMD_ACP
718 	struct amdgpu_acp		acp;
719 #endif
720 
721 	/* ASIC */
722 	enum amd_asic_type		asic_type;
723 	uint32_t			family;
724 	uint32_t			rev_id;
725 	uint32_t			external_rev_id;
726 	unsigned long			flags;
727 	int				usec_timeout;
728 	const struct amdgpu_asic_funcs	*asic_funcs;
729 	bool				shutdown;
730 	bool				need_swiotlb;
731 	bool				accel_working;
732 	struct notifier_block		acpi_nb;
733 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
734 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
735 	unsigned			debugfs_count;
736 #if defined(CONFIG_DEBUG_FS)
737 	struct dentry                   *debugfs_preempt;
738 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
739 #endif
740 	struct amdgpu_atif		*atif;
741 	struct amdgpu_atcs		atcs;
742 	struct mutex			srbm_mutex;
743 	/* GRBM index mutex. Protects concurrent access to GRBM index */
744 	struct mutex                    grbm_idx_mutex;
745 	struct dev_pm_domain		vga_pm_domain;
746 	bool				have_disp_power_ref;
747 	bool                            have_atomics_support;
748 
749 	/* BIOS */
750 	bool				is_atom_fw;
751 	uint8_t				*bios;
752 	uint32_t			bios_size;
753 	struct amdgpu_bo		*stolen_vga_memory;
754 	struct amdgpu_bo		*discovery_memory;
755 	uint32_t			bios_scratch_reg_offset;
756 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
757 
758 	/* Register/doorbell mmio */
759 	resource_size_t			rmmio_base;
760 	resource_size_t			rmmio_size;
761 	void __iomem			*rmmio;
762 	/* protects concurrent MM_INDEX/DATA based register access */
763 	spinlock_t mmio_idx_lock;
764 	struct amdgpu_mmio_remap        rmmio_remap;
765 	/* protects concurrent SMC based register access */
766 	spinlock_t smc_idx_lock;
767 	amdgpu_rreg_t			smc_rreg;
768 	amdgpu_wreg_t			smc_wreg;
769 	/* protects concurrent PCIE register access */
770 	spinlock_t pcie_idx_lock;
771 	amdgpu_rreg_t			pcie_rreg;
772 	amdgpu_wreg_t			pcie_wreg;
773 	amdgpu_rreg_t			pciep_rreg;
774 	amdgpu_wreg_t			pciep_wreg;
775 	amdgpu_rreg64_t			pcie_rreg64;
776 	amdgpu_wreg64_t			pcie_wreg64;
777 	/* protects concurrent UVD register access */
778 	spinlock_t uvd_ctx_idx_lock;
779 	amdgpu_rreg_t			uvd_ctx_rreg;
780 	amdgpu_wreg_t			uvd_ctx_wreg;
781 	/* protects concurrent DIDT register access */
782 	spinlock_t didt_idx_lock;
783 	amdgpu_rreg_t			didt_rreg;
784 	amdgpu_wreg_t			didt_wreg;
785 	/* protects concurrent gc_cac register access */
786 	spinlock_t gc_cac_idx_lock;
787 	amdgpu_rreg_t			gc_cac_rreg;
788 	amdgpu_wreg_t			gc_cac_wreg;
789 	/* protects concurrent se_cac register access */
790 	spinlock_t se_cac_idx_lock;
791 	amdgpu_rreg_t			se_cac_rreg;
792 	amdgpu_wreg_t			se_cac_wreg;
793 	/* protects concurrent ENDPOINT (audio) register access */
794 	spinlock_t audio_endpt_idx_lock;
795 	amdgpu_block_rreg_t		audio_endpt_rreg;
796 	amdgpu_block_wreg_t		audio_endpt_wreg;
797 	void __iomem                    *rio_mem;
798 	resource_size_t			rio_mem_size;
799 	struct amdgpu_doorbell		doorbell;
800 
801 	/* clock/pll info */
802 	struct amdgpu_clock            clock;
803 
804 	/* MC */
805 	struct amdgpu_gmc		gmc;
806 	struct amdgpu_gart		gart;
807 	dma_addr_t			dummy_page_addr;
808 	struct amdgpu_vm_manager	vm_manager;
809 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
810 	unsigned			num_vmhubs;
811 
812 	/* memory management */
813 	struct amdgpu_mman		mman;
814 	struct amdgpu_vram_scratch	vram_scratch;
815 	struct amdgpu_wb		wb;
816 	atomic64_t			num_bytes_moved;
817 	atomic64_t			num_evictions;
818 	atomic64_t			num_vram_cpu_page_faults;
819 	atomic_t			gpu_reset_counter;
820 	atomic_t			vram_lost_counter;
821 
822 	/* data for buffer migration throttling */
823 	struct {
824 		spinlock_t		lock;
825 		s64			last_update_us;
826 		s64			accum_us; /* accumulated microseconds */
827 		s64			accum_us_vis; /* for visible VRAM */
828 		u32			log2_max_MBps;
829 	} mm_stats;
830 
831 	/* display */
832 	bool				enable_virtual_display;
833 	struct amdgpu_mode_info		mode_info;
834 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
835 	struct work_struct		hotplug_work;
836 	struct amdgpu_irq_src		crtc_irq;
837 	struct amdgpu_irq_src		vupdate_irq;
838 	struct amdgpu_irq_src		pageflip_irq;
839 	struct amdgpu_irq_src		hpd_irq;
840 
841 	/* rings */
842 	u64				fence_context;
843 	unsigned			num_rings;
844 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
845 	bool				ib_pool_ready;
846 	struct amdgpu_sa_manager	ring_tmp_bo;
847 
848 	/* interrupts */
849 	struct amdgpu_irq		irq;
850 
851 	/* powerplay */
852 	struct amd_powerplay		powerplay;
853 	bool				pp_force_state_enabled;
854 
855 	/* smu */
856 	struct smu_context		smu;
857 
858 	/* dpm */
859 	struct amdgpu_pm		pm;
860 	u32				cg_flags;
861 	u32				pg_flags;
862 
863 	/* nbio */
864 	struct amdgpu_nbio		nbio;
865 
866 	/* mmhub */
867 	struct amdgpu_mmhub		mmhub;
868 
869 	/* gfx */
870 	struct amdgpu_gfx		gfx;
871 
872 	/* sdma */
873 	struct amdgpu_sdma		sdma;
874 
875 	/* uvd */
876 	struct amdgpu_uvd		uvd;
877 
878 	/* vce */
879 	struct amdgpu_vce		vce;
880 
881 	/* vcn */
882 	struct amdgpu_vcn		vcn;
883 
884 	/* jpeg */
885 	struct amdgpu_jpeg		jpeg;
886 
887 	/* firmwares */
888 	struct amdgpu_firmware		firmware;
889 
890 	/* PSP */
891 	struct psp_context		psp;
892 
893 	/* GDS */
894 	struct amdgpu_gds		gds;
895 
896 	/* KFD */
897 	struct amdgpu_kfd_dev		kfd;
898 
899 	/* UMC */
900 	struct amdgpu_umc		umc;
901 
902 	/* display related functionality */
903 	struct amdgpu_display_manager dm;
904 
905 	/* discovery */
906 	uint8_t				*discovery;
907 
908 	/* mes */
909 	bool                            enable_mes;
910 	struct amdgpu_mes               mes;
911 
912 	/* df */
913 	struct amdgpu_df                df;
914 
915 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
916 	int				num_ip_blocks;
917 	struct mutex	mn_lock;
918 	DECLARE_HASHTABLE(mn_hash, 7);
919 
920 	/* tracking pinned memory */
921 	atomic64_t vram_pin_size;
922 	atomic64_t visible_pin_size;
923 	atomic64_t gart_pin_size;
924 
925 	/* soc15 register offset based on ip, instance and  segment */
926 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
927 
928 	/* delayed work_func for deferring clockgating during resume */
929 	struct delayed_work     delayed_init_work;
930 
931 	struct amdgpu_virt	virt;
932 	/* firmware VRAM reservation */
933 	struct amdgpu_fw_vram_usage fw_vram_usage;
934 
935 	/* link all shadow bo */
936 	struct list_head                shadow_list;
937 	struct mutex                    shadow_list_lock;
938 	/* keep an lru list of rings by HW IP */
939 	struct list_head		ring_lru_list;
940 	spinlock_t			ring_lru_list_lock;
941 
942 	/* record hw reset is performed */
943 	bool has_hw_reset;
944 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
945 
946 	/* s3/s4 mask */
947 	bool                            in_suspend;
948 
949 	/* record last mm index being written through WREG32*/
950 	unsigned long last_mm_index;
951 	bool                            in_gpu_reset;
952 	enum pp_mp1_state               mp1_state;
953 	struct mutex  lock_reset;
954 	struct amdgpu_doorbell_index doorbell_index;
955 
956 	struct mutex			notifier_lock;
957 
958 	int asic_reset_res;
959 	struct work_struct		xgmi_reset_work;
960 
961 	long				gfx_timeout;
962 	long				sdma_timeout;
963 	long				video_timeout;
964 	long				compute_timeout;
965 
966 	uint64_t			unique_id;
967 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
968 
969 	/* device pstate */
970 	int				pstate;
971 	/* enable runtime pm on the device */
972 	bool                            runpm;
973 	bool                            in_runpm;
974 
975 	bool                            pm_sysfs_en;
976 	bool                            ucode_sysfs_en;
977 };
978 
979 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
980 {
981 	return container_of(bdev, struct amdgpu_device, mman.bdev);
982 }
983 
984 int amdgpu_device_init(struct amdgpu_device *adev,
985 		       struct drm_device *ddev,
986 		       struct pci_dev *pdev,
987 		       uint32_t flags);
988 void amdgpu_device_fini(struct amdgpu_device *adev);
989 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
990 
991 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
992 			       uint32_t *buf, size_t size, bool write);
993 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
994 			uint32_t acc_flags);
995 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
996 		    uint32_t acc_flags);
997 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
998 		    uint32_t acc_flags);
999 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1000 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1001 
1002 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1003 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1004 
1005 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1006 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1007 
1008 int emu_soc_asic_init(struct amdgpu_device *adev);
1009 
1010 /*
1011  * Registers read & write functions.
1012  */
1013 
1014 #define AMDGPU_REGS_IDX       (1<<0)
1015 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1016 #define AMDGPU_REGS_KIQ       (1<<2)
1017 
1018 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1019 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1020 
1021 #define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ)
1022 #define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ)
1023 
1024 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1025 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1026 
1027 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1028 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1029 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1030 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1031 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1032 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1033 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1034 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1035 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1036 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1037 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1038 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1039 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1040 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1041 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1042 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1043 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1044 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1045 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1046 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1047 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1048 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1049 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1050 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1051 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1052 #define WREG32_P(reg, val, mask)				\
1053 	do {							\
1054 		uint32_t tmp_ = RREG32(reg);			\
1055 		tmp_ &= (mask);					\
1056 		tmp_ |= ((val) & ~(mask));			\
1057 		WREG32(reg, tmp_);				\
1058 	} while (0)
1059 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1060 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1061 #define WREG32_PLL_P(reg, val, mask)				\
1062 	do {							\
1063 		uint32_t tmp_ = RREG32_PLL(reg);		\
1064 		tmp_ &= (mask);					\
1065 		tmp_ |= ((val) & ~(mask));			\
1066 		WREG32_PLL(reg, tmp_);				\
1067 	} while (0)
1068 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1069 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1070 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1071 
1072 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1073 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1074 
1075 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1076 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1077 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1078 
1079 #define REG_GET_FIELD(value, reg, field)				\
1080 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1081 
1082 #define WREG32_FIELD(reg, field, val)	\
1083 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1084 
1085 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1086 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1087 
1088 /*
1089  * BIOS helpers.
1090  */
1091 #define RBIOS8(i) (adev->bios[i])
1092 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1093 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1094 
1095 /*
1096  * ASICs macro.
1097  */
1098 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1099 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1100 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1101 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1102 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1103 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1104 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1105 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1106 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1107 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1108 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1109 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1110 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1111 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1112 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1113 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1114 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1115 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1116 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1117 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1118 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1119 
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_supports_boco(struct drm_device *dev);
1137 bool amdgpu_device_supports_baco(struct drm_device *dev);
1138 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1139 				      struct amdgpu_device *peer_adev);
1140 int amdgpu_device_baco_enter(struct drm_device *dev);
1141 int amdgpu_device_baco_exit(struct drm_device *dev);
1142 
1143 /* atpx handler */
1144 #if defined(CONFIG_VGA_SWITCHEROO)
1145 void amdgpu_register_atpx_handler(void);
1146 void amdgpu_unregister_atpx_handler(void);
1147 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1148 bool amdgpu_is_atpx_hybrid(void);
1149 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1150 bool amdgpu_has_atpx(void);
1151 #else
1152 static inline void amdgpu_register_atpx_handler(void) {}
1153 static inline void amdgpu_unregister_atpx_handler(void) {}
1154 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1155 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1156 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1157 static inline bool amdgpu_has_atpx(void) { return false; }
1158 #endif
1159 
1160 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1161 void *amdgpu_atpx_get_dhandle(void);
1162 #else
1163 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1164 #endif
1165 
1166 /*
1167  * KMS
1168  */
1169 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1170 extern const int amdgpu_max_kms_ioctl;
1171 
1172 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1173 void amdgpu_driver_unload_kms(struct drm_device *dev);
1174 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1175 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1176 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1177 				 struct drm_file *file_priv);
1178 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1179 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1180 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1181 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1182 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1183 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1184 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1185 			     unsigned long arg);
1186 
1187 /*
1188  * functions used by amdgpu_encoder.c
1189  */
1190 struct amdgpu_afmt_acr {
1191 	u32 clock;
1192 
1193 	int n_32khz;
1194 	int cts_32khz;
1195 
1196 	int n_44_1khz;
1197 	int cts_44_1khz;
1198 
1199 	int n_48khz;
1200 	int cts_48khz;
1201 
1202 };
1203 
1204 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1205 
1206 /* amdgpu_acpi.c */
1207 #if defined(CONFIG_ACPI)
1208 int amdgpu_acpi_init(struct amdgpu_device *adev);
1209 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1210 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1211 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1212 						u8 perf_req, bool advertise);
1213 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1214 
1215 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1216 		struct amdgpu_dm_backlight_caps *caps);
1217 #else
1218 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1219 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1220 #endif
1221 
1222 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1223 			   uint64_t addr, struct amdgpu_bo **bo,
1224 			   struct amdgpu_bo_va_mapping **mapping);
1225 
1226 #if defined(CONFIG_DRM_AMD_DC)
1227 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1228 #else
1229 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1230 #endif
1231 
1232 
1233 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1234 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1235 
1236 #include "amdgpu_object.h"
1237 
1238 /* used by df_v3_6.c and amdgpu_pmu.c */
1239 #define AMDGPU_PMU_ATTR(_name, _object)					\
1240 static ssize_t								\
1241 _name##_show(struct device *dev,					\
1242 			       struct device_attribute *attr,		\
1243 			       char *page)				\
1244 {									\
1245 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1246 	return sprintf(page, _object "\n");				\
1247 }									\
1248 									\
1249 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1250 
1251 #endif
1252 
1253