xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 07c7c6bf)
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/drmP.h>
48 #include <drm/drm_gem.h>
49 #include <drm/amdgpu_drm.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 
88 #define MAX_GPU_INSTANCE		16
89 
90 struct amdgpu_gpu_instance
91 {
92 	struct amdgpu_device		*adev;
93 	int				mgpu_fan_enabled;
94 };
95 
96 struct amdgpu_mgpu_info
97 {
98 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
99 	struct mutex			mutex;
100 	uint32_t			num_gpu;
101 	uint32_t			num_dgpu;
102 	uint32_t			num_apu;
103 };
104 
105 /*
106  * Modules parameters.
107  */
108 extern int amdgpu_modeset;
109 extern int amdgpu_vram_limit;
110 extern int amdgpu_vis_vram_limit;
111 extern int amdgpu_gart_size;
112 extern int amdgpu_gtt_size;
113 extern int amdgpu_moverate;
114 extern int amdgpu_benchmarking;
115 extern int amdgpu_testing;
116 extern int amdgpu_audio;
117 extern int amdgpu_disp_priority;
118 extern int amdgpu_hw_i2c;
119 extern int amdgpu_pcie_gen2;
120 extern int amdgpu_msi;
121 extern int amdgpu_lockup_timeout;
122 extern int amdgpu_dpm;
123 extern int amdgpu_fw_load_type;
124 extern int amdgpu_aspm;
125 extern int amdgpu_runtime_pm;
126 extern uint amdgpu_ip_block_mask;
127 extern int amdgpu_bapm;
128 extern int amdgpu_deep_color;
129 extern int amdgpu_vm_size;
130 extern int amdgpu_vm_block_size;
131 extern int amdgpu_vm_fragment_size;
132 extern int amdgpu_vm_fault_stop;
133 extern int amdgpu_vm_debug;
134 extern int amdgpu_vm_update_mode;
135 extern int amdgpu_dc;
136 extern int amdgpu_sched_jobs;
137 extern int amdgpu_sched_hw_submission;
138 extern uint amdgpu_pcie_gen_cap;
139 extern uint amdgpu_pcie_lane_cap;
140 extern uint amdgpu_cg_mask;
141 extern uint amdgpu_pg_mask;
142 extern uint amdgpu_sdma_phase_quantum;
143 extern char *amdgpu_disable_cu;
144 extern char *amdgpu_virtual_display;
145 extern uint amdgpu_pp_feature_mask;
146 extern int amdgpu_vram_page_split;
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 struct amdgpu_mgpu_info mgpu_info;
160 extern int amdgpu_ras_enable;
161 extern uint amdgpu_ras_mask;
162 
163 #ifdef CONFIG_DRM_AMDGPU_SI
164 extern int amdgpu_si_support;
165 #endif
166 #ifdef CONFIG_DRM_AMDGPU_CIK
167 extern int amdgpu_cik_support;
168 #endif
169 
170 #define AMDGPU_VM_MAX_NUM_CTX			4096
171 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
172 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
173 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
174 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
175 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
176 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
177 #define AMDGPU_IB_POOL_SIZE			16
178 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
179 #define AMDGPUFB_CONN_LIMIT			4
180 #define AMDGPU_BIOS_NUM_SCRATCH			16
181 
182 /* hard reset data */
183 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
184 
185 /* reset flags */
186 #define AMDGPU_RESET_GFX			(1 << 0)
187 #define AMDGPU_RESET_COMPUTE			(1 << 1)
188 #define AMDGPU_RESET_DMA			(1 << 2)
189 #define AMDGPU_RESET_CP				(1 << 3)
190 #define AMDGPU_RESET_GRBM			(1 << 4)
191 #define AMDGPU_RESET_DMA1			(1 << 5)
192 #define AMDGPU_RESET_RLC			(1 << 6)
193 #define AMDGPU_RESET_SEM			(1 << 7)
194 #define AMDGPU_RESET_IH				(1 << 8)
195 #define AMDGPU_RESET_VMC			(1 << 9)
196 #define AMDGPU_RESET_MC				(1 << 10)
197 #define AMDGPU_RESET_DISPLAY			(1 << 11)
198 #define AMDGPU_RESET_UVD			(1 << 12)
199 #define AMDGPU_RESET_VCE			(1 << 13)
200 #define AMDGPU_RESET_VCE1			(1 << 14)
201 
202 /* max cursor sizes (in pixels) */
203 #define CIK_CURSOR_WIDTH 128
204 #define CIK_CURSOR_HEIGHT 128
205 
206 struct amdgpu_device;
207 struct amdgpu_ib;
208 struct amdgpu_cs_parser;
209 struct amdgpu_job;
210 struct amdgpu_irq_src;
211 struct amdgpu_fpriv;
212 struct amdgpu_bo_va_mapping;
213 struct amdgpu_atif;
214 
215 enum amdgpu_cp_irq {
216 	AMDGPU_CP_IRQ_GFX_EOP = 0,
217 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
218 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
219 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
220 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
221 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
222 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
223 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
224 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
225 
226 	AMDGPU_CP_IRQ_LAST
227 };
228 
229 enum amdgpu_thermal_irq {
230 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
231 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
232 
233 	AMDGPU_THERMAL_IRQ_LAST
234 };
235 
236 enum amdgpu_kiq_irq {
237 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
238 	AMDGPU_CP_KIQ_IRQ_LAST
239 };
240 
241 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
242 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
243 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
244 
245 int amdgpu_device_ip_set_clockgating_state(void *dev,
246 					   enum amd_ip_block_type block_type,
247 					   enum amd_clockgating_state state);
248 int amdgpu_device_ip_set_powergating_state(void *dev,
249 					   enum amd_ip_block_type block_type,
250 					   enum amd_powergating_state state);
251 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
252 					    u32 *flags);
253 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
254 				   enum amd_ip_block_type block_type);
255 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
256 			      enum amd_ip_block_type block_type);
257 
258 #define AMDGPU_MAX_IP_NUM 16
259 
260 struct amdgpu_ip_block_status {
261 	bool valid;
262 	bool sw;
263 	bool hw;
264 	bool late_initialized;
265 	bool hang;
266 };
267 
268 struct amdgpu_ip_block_version {
269 	const enum amd_ip_block_type type;
270 	const u32 major;
271 	const u32 minor;
272 	const u32 rev;
273 	const struct amd_ip_funcs *funcs;
274 };
275 
276 struct amdgpu_ip_block {
277 	struct amdgpu_ip_block_status status;
278 	const struct amdgpu_ip_block_version *version;
279 };
280 
281 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
282 				       enum amd_ip_block_type type,
283 				       u32 major, u32 minor);
284 
285 struct amdgpu_ip_block *
286 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
287 			      enum amd_ip_block_type type);
288 
289 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
290 			       const struct amdgpu_ip_block_version *ip_block_version);
291 
292 /*
293  * BIOS.
294  */
295 bool amdgpu_get_bios(struct amdgpu_device *adev);
296 bool amdgpu_read_bios(struct amdgpu_device *adev);
297 
298 /*
299  * Clocks
300  */
301 
302 #define AMDGPU_MAX_PPLL 3
303 
304 struct amdgpu_clock {
305 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
306 	struct amdgpu_pll spll;
307 	struct amdgpu_pll mpll;
308 	/* 10 Khz units */
309 	uint32_t default_mclk;
310 	uint32_t default_sclk;
311 	uint32_t default_dispclk;
312 	uint32_t current_dispclk;
313 	uint32_t dp_extclk;
314 	uint32_t max_pixel_clock;
315 };
316 
317 /* sub-allocation manager, it has to be protected by another lock.
318  * By conception this is an helper for other part of the driver
319  * like the indirect buffer or semaphore, which both have their
320  * locking.
321  *
322  * Principe is simple, we keep a list of sub allocation in offset
323  * order (first entry has offset == 0, last entry has the highest
324  * offset).
325  *
326  * When allocating new object we first check if there is room at
327  * the end total_size - (last_object_offset + last_object_size) >=
328  * alloc_size. If so we allocate new object there.
329  *
330  * When there is not enough room at the end, we start waiting for
331  * each sub object until we reach object_offset+object_size >=
332  * alloc_size, this object then become the sub object we return.
333  *
334  * Alignment can't be bigger than page size.
335  *
336  * Hole are not considered for allocation to keep things simple.
337  * Assumption is that there won't be hole (all object on same
338  * alignment).
339  */
340 
341 #define AMDGPU_SA_NUM_FENCE_LISTS	32
342 
343 struct amdgpu_sa_manager {
344 	wait_queue_head_t	wq;
345 	struct amdgpu_bo	*bo;
346 	struct list_head	*hole;
347 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
348 	struct list_head	olist;
349 	unsigned		size;
350 	uint64_t		gpu_addr;
351 	void			*cpu_ptr;
352 	uint32_t		domain;
353 	uint32_t		align;
354 };
355 
356 /* sub-allocation buffer */
357 struct amdgpu_sa_bo {
358 	struct list_head		olist;
359 	struct list_head		flist;
360 	struct amdgpu_sa_manager	*manager;
361 	unsigned			soffset;
362 	unsigned			eoffset;
363 	struct dma_fence	        *fence;
364 };
365 
366 int amdgpu_fence_slab_init(void);
367 void amdgpu_fence_slab_fini(void);
368 
369 /*
370  * IRQS.
371  */
372 
373 struct amdgpu_flip_work {
374 	struct delayed_work		flip_work;
375 	struct work_struct		unpin_work;
376 	struct amdgpu_device		*adev;
377 	int				crtc_id;
378 	u32				target_vblank;
379 	uint64_t			base;
380 	struct drm_pending_vblank_event *event;
381 	struct amdgpu_bo		*old_abo;
382 	struct dma_fence		*excl;
383 	unsigned			shared_count;
384 	struct dma_fence		**shared;
385 	struct dma_fence_cb		cb;
386 	bool				async;
387 };
388 
389 
390 /*
391  * CP & rings.
392  */
393 
394 struct amdgpu_ib {
395 	struct amdgpu_sa_bo		*sa_bo;
396 	uint32_t			length_dw;
397 	uint64_t			gpu_addr;
398 	uint32_t			*ptr;
399 	uint32_t			flags;
400 };
401 
402 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
403 
404 /*
405  * file private structure
406  */
407 
408 struct amdgpu_fpriv {
409 	struct amdgpu_vm	vm;
410 	struct amdgpu_bo_va	*prt_va;
411 	struct amdgpu_bo_va	*csa_va;
412 	struct mutex		bo_list_lock;
413 	struct idr		bo_list_handles;
414 	struct amdgpu_ctx_mgr	ctx_mgr;
415 };
416 
417 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
418 
419 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
420 		  unsigned size, struct amdgpu_ib *ib);
421 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
422 		    struct dma_fence *f);
423 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
424 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
425 		       struct dma_fence **f);
426 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
427 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
428 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
429 
430 /*
431  * CS.
432  */
433 struct amdgpu_cs_chunk {
434 	uint32_t		chunk_id;
435 	uint32_t		length_dw;
436 	void			*kdata;
437 };
438 
439 struct amdgpu_cs_post_dep {
440 	struct drm_syncobj *syncobj;
441 	struct dma_fence_chain *chain;
442 	u64 point;
443 };
444 
445 struct amdgpu_cs_parser {
446 	struct amdgpu_device	*adev;
447 	struct drm_file		*filp;
448 	struct amdgpu_ctx	*ctx;
449 
450 	/* chunks */
451 	unsigned		nchunks;
452 	struct amdgpu_cs_chunk	*chunks;
453 
454 	/* scheduler job object */
455 	struct amdgpu_job	*job;
456 	struct drm_sched_entity	*entity;
457 
458 	/* buffer objects */
459 	struct ww_acquire_ctx		ticket;
460 	struct amdgpu_bo_list		*bo_list;
461 	struct amdgpu_mn		*mn;
462 	struct amdgpu_bo_list_entry	vm_pd;
463 	struct list_head		validated;
464 	struct dma_fence		*fence;
465 	uint64_t			bytes_moved_threshold;
466 	uint64_t			bytes_moved_vis_threshold;
467 	uint64_t			bytes_moved;
468 	uint64_t			bytes_moved_vis;
469 	struct amdgpu_bo_list_entry	*evictable;
470 
471 	/* user fence */
472 	struct amdgpu_bo_list_entry	uf_entry;
473 
474 	unsigned			num_post_deps;
475 	struct amdgpu_cs_post_dep	*post_deps;
476 };
477 
478 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
479 				      uint32_t ib_idx, int idx)
480 {
481 	return p->job->ibs[ib_idx].ptr[idx];
482 }
483 
484 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
485 				       uint32_t ib_idx, int idx,
486 				       uint32_t value)
487 {
488 	p->job->ibs[ib_idx].ptr[idx] = value;
489 }
490 
491 /*
492  * Writeback
493  */
494 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
495 
496 struct amdgpu_wb {
497 	struct amdgpu_bo	*wb_obj;
498 	volatile uint32_t	*wb;
499 	uint64_t		gpu_addr;
500 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
501 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
502 };
503 
504 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
505 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
506 
507 /*
508  * Benchmarking
509  */
510 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
511 
512 
513 /*
514  * Testing
515  */
516 void amdgpu_test_moves(struct amdgpu_device *adev);
517 
518 /*
519  * ASIC specific register table accessible by UMD
520  */
521 struct amdgpu_allowed_register_entry {
522 	uint32_t reg_offset;
523 	bool grbm_indexed;
524 };
525 
526 /*
527  * ASIC specific functions.
528  */
529 struct amdgpu_asic_funcs {
530 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
531 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
532 				   u8 *bios, u32 length_bytes);
533 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
534 			     u32 sh_num, u32 reg_offset, u32 *value);
535 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
536 	int (*reset)(struct amdgpu_device *adev);
537 	/* get the reference clock */
538 	u32 (*get_xclk)(struct amdgpu_device *adev);
539 	/* MM block clocks */
540 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
541 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
542 	/* static power management */
543 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
544 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
545 	/* get config memsize register */
546 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
547 	/* flush hdp write queue */
548 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
549 	/* invalidate hdp read cache */
550 	void (*invalidate_hdp)(struct amdgpu_device *adev,
551 			       struct amdgpu_ring *ring);
552 	/* check if the asic needs a full reset of if soft reset will work */
553 	bool (*need_full_reset)(struct amdgpu_device *adev);
554 	/* initialize doorbell layout for specific asic*/
555 	void (*init_doorbell_index)(struct amdgpu_device *adev);
556 	/* PCIe bandwidth usage */
557 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
558 			       uint64_t *count1);
559 	/* do we need to reset the asic at init time (e.g., kexec) */
560 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
561 };
562 
563 /*
564  * IOCTL.
565  */
566 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
567 				struct drm_file *filp);
568 
569 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
570 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
571 				    struct drm_file *filp);
572 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
573 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
574 				struct drm_file *filp);
575 
576 /* VRAM scratch page for HDP bug, default vram page */
577 struct amdgpu_vram_scratch {
578 	struct amdgpu_bo		*robj;
579 	volatile uint32_t		*ptr;
580 	u64				gpu_addr;
581 };
582 
583 /*
584  * ACPI
585  */
586 struct amdgpu_atcs_functions {
587 	bool get_ext_state;
588 	bool pcie_perf_req;
589 	bool pcie_dev_rdy;
590 	bool pcie_bus_width;
591 };
592 
593 struct amdgpu_atcs {
594 	struct amdgpu_atcs_functions functions;
595 };
596 
597 /*
598  * Firmware VRAM reservation
599  */
600 struct amdgpu_fw_vram_usage {
601 	u64 start_offset;
602 	u64 size;
603 	struct amdgpu_bo *reserved_bo;
604 	void *va;
605 };
606 
607 /*
608  * CGS
609  */
610 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
611 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
612 
613 /*
614  * Core structure, functions and helpers.
615  */
616 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
617 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
618 
619 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
620 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
621 
622 
623 /*
624  * amdgpu nbio functions
625  *
626  */
627 struct nbio_hdp_flush_reg {
628 	u32 ref_and_mask_cp0;
629 	u32 ref_and_mask_cp1;
630 	u32 ref_and_mask_cp2;
631 	u32 ref_and_mask_cp3;
632 	u32 ref_and_mask_cp4;
633 	u32 ref_and_mask_cp5;
634 	u32 ref_and_mask_cp6;
635 	u32 ref_and_mask_cp7;
636 	u32 ref_and_mask_cp8;
637 	u32 ref_and_mask_cp9;
638 	u32 ref_and_mask_sdma0;
639 	u32 ref_and_mask_sdma1;
640 };
641 
642 struct amdgpu_nbio_funcs {
643 	const struct nbio_hdp_flush_reg *hdp_flush_reg;
644 	u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
645 	u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
646 	u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
647 	u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
648 	u32 (*get_rev_id)(struct amdgpu_device *adev);
649 	void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
650 	void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
651 	u32 (*get_memsize)(struct amdgpu_device *adev);
652 	void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
653 			bool use_doorbell, int doorbell_index, int doorbell_size);
654 	void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
655 					 bool enable);
656 	void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
657 						  bool enable);
658 	void (*ih_doorbell_range)(struct amdgpu_device *adev,
659 				  bool use_doorbell, int doorbell_index);
660 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
661 						 bool enable);
662 	void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
663 						bool enable);
664 	void (*get_clockgating_state)(struct amdgpu_device *adev,
665 				      u32 *flags);
666 	void (*ih_control)(struct amdgpu_device *adev);
667 	void (*init_registers)(struct amdgpu_device *adev);
668 	void (*detect_hw_virt)(struct amdgpu_device *adev);
669 };
670 
671 struct amdgpu_df_funcs {
672 	void (*init)(struct amdgpu_device *adev);
673 	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
674 				      bool enable);
675 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
676 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
677 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
678 						 bool enable);
679 	void (*get_clockgating_state)(struct amdgpu_device *adev,
680 				      u32 *flags);
681 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
682 					    bool enable);
683 };
684 /* Define the HW IP blocks will be used in driver , add more if necessary */
685 enum amd_hw_ip_block_type {
686 	GC_HWIP = 1,
687 	HDP_HWIP,
688 	SDMA0_HWIP,
689 	SDMA1_HWIP,
690 	MMHUB_HWIP,
691 	ATHUB_HWIP,
692 	NBIO_HWIP,
693 	MP0_HWIP,
694 	MP1_HWIP,
695 	UVD_HWIP,
696 	VCN_HWIP = UVD_HWIP,
697 	VCE_HWIP,
698 	DF_HWIP,
699 	DCE_HWIP,
700 	OSSSYS_HWIP,
701 	SMUIO_HWIP,
702 	PWR_HWIP,
703 	NBIF_HWIP,
704 	THM_HWIP,
705 	CLK_HWIP,
706 	MAX_HWIP
707 };
708 
709 #define HWIP_MAX_INSTANCE	6
710 
711 struct amd_powerplay {
712 	void *pp_handle;
713 	const struct amd_pm_funcs *pp_funcs;
714 };
715 
716 #define AMDGPU_RESET_MAGIC_NUM 64
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_dma32;
736 	bool				need_swiotlb;
737 	bool				accel_working;
738 	struct notifier_block		acpi_nb;
739 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
740 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
741 	unsigned			debugfs_count;
742 #if defined(CONFIG_DEBUG_FS)
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 
753 	/* BIOS */
754 	bool				is_atom_fw;
755 	uint8_t				*bios;
756 	uint32_t			bios_size;
757 	struct amdgpu_bo		*stolen_vga_memory;
758 	uint32_t			bios_scratch_reg_offset;
759 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
760 
761 	/* Register/doorbell mmio */
762 	resource_size_t			rmmio_base;
763 	resource_size_t			rmmio_size;
764 	void __iomem			*rmmio;
765 	/* protects concurrent MM_INDEX/DATA based register access */
766 	spinlock_t mmio_idx_lock;
767 	/* protects concurrent SMC based register access */
768 	spinlock_t smc_idx_lock;
769 	amdgpu_rreg_t			smc_rreg;
770 	amdgpu_wreg_t			smc_wreg;
771 	/* protects concurrent PCIE register access */
772 	spinlock_t pcie_idx_lock;
773 	amdgpu_rreg_t			pcie_rreg;
774 	amdgpu_wreg_t			pcie_wreg;
775 	amdgpu_rreg_t			pciep_rreg;
776 	amdgpu_wreg_t			pciep_wreg;
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 
811 	/* memory management */
812 	struct amdgpu_mman		mman;
813 	struct amdgpu_vram_scratch	vram_scratch;
814 	struct amdgpu_wb		wb;
815 	atomic64_t			num_bytes_moved;
816 	atomic64_t			num_evictions;
817 	atomic64_t			num_vram_cpu_page_faults;
818 	atomic_t			gpu_reset_counter;
819 	atomic_t			vram_lost_counter;
820 
821 	/* data for buffer migration throttling */
822 	struct {
823 		spinlock_t		lock;
824 		s64			last_update_us;
825 		s64			accum_us; /* accumulated microseconds */
826 		s64			accum_us_vis; /* for visible VRAM */
827 		u32			log2_max_MBps;
828 	} mm_stats;
829 
830 	/* display */
831 	bool				enable_virtual_display;
832 	struct amdgpu_mode_info		mode_info;
833 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
834 	struct work_struct		hotplug_work;
835 	struct amdgpu_irq_src		crtc_irq;
836 	struct amdgpu_irq_src		vupdate_irq;
837 	struct amdgpu_irq_src		pageflip_irq;
838 	struct amdgpu_irq_src		hpd_irq;
839 
840 	/* rings */
841 	u64				fence_context;
842 	unsigned			num_rings;
843 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
844 	bool				ib_pool_ready;
845 	struct amdgpu_sa_manager	ring_tmp_bo;
846 
847 	/* interrupts */
848 	struct amdgpu_irq		irq;
849 
850 	/* powerplay */
851 	struct amd_powerplay		powerplay;
852 	bool				pp_force_state_enabled;
853 
854 	/* smu */
855 	struct smu_context		smu;
856 
857 	/* dpm */
858 	struct amdgpu_pm		pm;
859 	u32				cg_flags;
860 	u32				pg_flags;
861 
862 	/* gfx */
863 	struct amdgpu_gfx		gfx;
864 
865 	/* sdma */
866 	struct amdgpu_sdma		sdma;
867 
868 	/* uvd */
869 	struct amdgpu_uvd		uvd;
870 
871 	/* vce */
872 	struct amdgpu_vce		vce;
873 
874 	/* vcn */
875 	struct amdgpu_vcn		vcn;
876 
877 	/* firmwares */
878 	struct amdgpu_firmware		firmware;
879 
880 	/* PSP */
881 	struct psp_context		psp;
882 
883 	/* GDS */
884 	struct amdgpu_gds		gds;
885 
886 	/* KFD */
887 	struct amdgpu_kfd_dev		kfd;
888 
889 	/* display related functionality */
890 	struct amdgpu_display_manager dm;
891 
892 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
893 	int				num_ip_blocks;
894 	struct mutex	mn_lock;
895 	DECLARE_HASHTABLE(mn_hash, 7);
896 
897 	/* tracking pinned memory */
898 	atomic64_t vram_pin_size;
899 	atomic64_t visible_pin_size;
900 	atomic64_t gart_pin_size;
901 
902 	/* soc15 register offset based on ip, instance and  segment */
903 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
904 
905 	const struct amdgpu_nbio_funcs	*nbio_funcs;
906 	const struct amdgpu_df_funcs	*df_funcs;
907 
908 	/* delayed work_func for deferring clockgating during resume */
909 	struct delayed_work     late_init_work;
910 
911 	struct amdgpu_virt	virt;
912 	/* firmware VRAM reservation */
913 	struct amdgpu_fw_vram_usage fw_vram_usage;
914 
915 	/* link all shadow bo */
916 	struct list_head                shadow_list;
917 	struct mutex                    shadow_list_lock;
918 	/* keep an lru list of rings by HW IP */
919 	struct list_head		ring_lru_list;
920 	spinlock_t			ring_lru_list_lock;
921 
922 	/* record hw reset is performed */
923 	bool has_hw_reset;
924 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
925 
926 	/* s3/s4 mask */
927 	bool                            in_suspend;
928 
929 	/* record last mm index being written through WREG32*/
930 	unsigned long last_mm_index;
931 	bool                            in_gpu_reset;
932 	struct mutex  lock_reset;
933 	struct amdgpu_doorbell_index doorbell_index;
934 
935 	int asic_reset_res;
936 	struct work_struct		xgmi_reset_work;
937 
938 	bool                            in_baco_reset;
939 };
940 
941 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
942 {
943 	return container_of(bdev, struct amdgpu_device, mman.bdev);
944 }
945 
946 int amdgpu_device_init(struct amdgpu_device *adev,
947 		       struct drm_device *ddev,
948 		       struct pci_dev *pdev,
949 		       uint32_t flags);
950 void amdgpu_device_fini(struct amdgpu_device *adev);
951 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
952 
953 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
954 			uint32_t acc_flags);
955 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
956 		    uint32_t acc_flags);
957 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
958 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
959 
960 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
961 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
962 
963 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
964 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
965 
966 int emu_soc_asic_init(struct amdgpu_device *adev);
967 
968 /*
969  * Registers read & write functions.
970  */
971 
972 #define AMDGPU_REGS_IDX       (1<<0)
973 #define AMDGPU_REGS_NO_KIQ    (1<<1)
974 
975 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
976 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
977 
978 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
979 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
980 
981 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
982 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
983 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
984 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
985 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
986 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
987 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
988 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
989 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
990 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
991 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
992 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
993 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
994 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
995 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
996 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
997 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
998 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
999 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1000 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1001 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1002 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1003 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1004 #define WREG32_P(reg, val, mask)				\
1005 	do {							\
1006 		uint32_t tmp_ = RREG32(reg);			\
1007 		tmp_ &= (mask);					\
1008 		tmp_ |= ((val) & ~(mask));			\
1009 		WREG32(reg, tmp_);				\
1010 	} while (0)
1011 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1012 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1013 #define WREG32_PLL_P(reg, val, mask)				\
1014 	do {							\
1015 		uint32_t tmp_ = RREG32_PLL(reg);		\
1016 		tmp_ &= (mask);					\
1017 		tmp_ |= ((val) & ~(mask));			\
1018 		WREG32_PLL(reg, tmp_);				\
1019 	} while (0)
1020 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1021 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1022 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1023 
1024 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1025 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1026 
1027 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1028 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1029 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1030 
1031 #define REG_GET_FIELD(value, reg, field)				\
1032 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1033 
1034 #define WREG32_FIELD(reg, field, val)	\
1035 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1036 
1037 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1038 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1039 
1040 /*
1041  * BIOS helpers.
1042  */
1043 #define RBIOS8(i) (adev->bios[i])
1044 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1045 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1046 
1047 /*
1048  * ASICs macro.
1049  */
1050 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1051 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1052 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1053 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1054 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1055 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1056 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1057 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1058 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1059 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1060 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1061 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1062 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1063 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1064 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1065 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1066 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1067 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1068 
1069 /* Common functions */
1070 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1071 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1072 			      struct amdgpu_job* job);
1073 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1074 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1075 
1076 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1077 				  u64 num_vis_bytes);
1078 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1079 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1080 					     const u32 *registers,
1081 					     const u32 array_size);
1082 
1083 bool amdgpu_device_is_px(struct drm_device *dev);
1084 /* atpx handler */
1085 #if defined(CONFIG_VGA_SWITCHEROO)
1086 void amdgpu_register_atpx_handler(void);
1087 void amdgpu_unregister_atpx_handler(void);
1088 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1089 bool amdgpu_is_atpx_hybrid(void);
1090 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1091 bool amdgpu_has_atpx(void);
1092 #else
1093 static inline void amdgpu_register_atpx_handler(void) {}
1094 static inline void amdgpu_unregister_atpx_handler(void) {}
1095 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1096 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1097 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1098 static inline bool amdgpu_has_atpx(void) { return false; }
1099 #endif
1100 
1101 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1102 void *amdgpu_atpx_get_dhandle(void);
1103 #else
1104 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1105 #endif
1106 
1107 /*
1108  * KMS
1109  */
1110 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1111 extern const int amdgpu_max_kms_ioctl;
1112 
1113 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1114 void amdgpu_driver_unload_kms(struct drm_device *dev);
1115 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1116 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1117 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1118 				 struct drm_file *file_priv);
1119 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1120 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1121 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1122 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1123 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1124 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1125 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1126 			     unsigned long arg);
1127 
1128 /*
1129  * functions used by amdgpu_encoder.c
1130  */
1131 struct amdgpu_afmt_acr {
1132 	u32 clock;
1133 
1134 	int n_32khz;
1135 	int cts_32khz;
1136 
1137 	int n_44_1khz;
1138 	int cts_44_1khz;
1139 
1140 	int n_48khz;
1141 	int cts_48khz;
1142 
1143 };
1144 
1145 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1146 
1147 /* amdgpu_acpi.c */
1148 #if defined(CONFIG_ACPI)
1149 int amdgpu_acpi_init(struct amdgpu_device *adev);
1150 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1151 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1152 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1153 						u8 perf_req, bool advertise);
1154 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1155 
1156 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1157 		struct amdgpu_dm_backlight_caps *caps);
1158 #else
1159 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1160 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1161 #endif
1162 
1163 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1164 			   uint64_t addr, struct amdgpu_bo **bo,
1165 			   struct amdgpu_bo_va_mapping **mapping);
1166 
1167 #if defined(CONFIG_DRM_AMD_DC)
1168 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1169 #else
1170 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1171 #endif
1172 
1173 #include "amdgpu_object.h"
1174 #endif
1175