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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 #ifdef pr_fmt
32 #undef pr_fmt
33 #endif
34 
35 #define pr_fmt(fmt) "amdgpu: " fmt
36 
37 #ifdef dev_fmt
38 #undef dev_fmt
39 #endif
40 
41 #define dev_fmt(fmt) "amdgpu: " fmt
42 
43 #include "amdgpu_ctx.h"
44 
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53 #include <linux/aer.h>
54 
55 #include <drm/ttm/ttm_bo_api.h>
56 #include <drm/ttm/ttm_bo_driver.h>
57 #include <drm/ttm/ttm_placement.h>
58 #include <drm/ttm/ttm_module.h>
59 #include <drm/ttm/ttm_execbuf_util.h>
60 
61 #include <drm/amdgpu_drm.h>
62 #include <drm/drm_gem.h>
63 #include <drm/drm_ioctl.h>
64 #include <drm/gpu_scheduler.h>
65 
66 #include <kgd_kfd_interface.h>
67 #include "dm_pp_interface.h"
68 #include "kgd_pp_interface.h"
69 
70 #include "amd_shared.h"
71 #include "amdgpu_mode.h"
72 #include "amdgpu_ih.h"
73 #include "amdgpu_irq.h"
74 #include "amdgpu_ucode.h"
75 #include "amdgpu_ttm.h"
76 #include "amdgpu_psp.h"
77 #include "amdgpu_gds.h"
78 #include "amdgpu_sync.h"
79 #include "amdgpu_ring.h"
80 #include "amdgpu_vm.h"
81 #include "amdgpu_dpm.h"
82 #include "amdgpu_acp.h"
83 #include "amdgpu_uvd.h"
84 #include "amdgpu_vce.h"
85 #include "amdgpu_vcn.h"
86 #include "amdgpu_jpeg.h"
87 #include "amdgpu_mn.h"
88 #include "amdgpu_gmc.h"
89 #include "amdgpu_gfx.h"
90 #include "amdgpu_sdma.h"
91 #include "amdgpu_nbio.h"
92 #include "amdgpu_dm.h"
93 #include "amdgpu_virt.h"
94 #include "amdgpu_csa.h"
95 #include "amdgpu_gart.h"
96 #include "amdgpu_debugfs.h"
97 #include "amdgpu_job.h"
98 #include "amdgpu_bo_list.h"
99 #include "amdgpu_gem.h"
100 #include "amdgpu_doorbell.h"
101 #include "amdgpu_amdkfd.h"
102 #include "amdgpu_smu.h"
103 #include "amdgpu_discovery.h"
104 #include "amdgpu_mes.h"
105 #include "amdgpu_umc.h"
106 #include "amdgpu_mmhub.h"
107 #include "amdgpu_gfxhub.h"
108 #include "amdgpu_df.h"
109 
110 #define MAX_GPU_INSTANCE		16
111 
112 struct amdgpu_gpu_instance
113 {
114 	struct amdgpu_device		*adev;
115 	int				mgpu_fan_enabled;
116 };
117 
118 struct amdgpu_mgpu_info
119 {
120 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
121 	struct mutex			mutex;
122 	uint32_t			num_gpu;
123 	uint32_t			num_dgpu;
124 	uint32_t			num_apu;
125 };
126 
127 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
128 
129 /*
130  * Modules parameters.
131  */
132 extern int amdgpu_modeset;
133 extern int amdgpu_vram_limit;
134 extern int amdgpu_vis_vram_limit;
135 extern int amdgpu_gart_size;
136 extern int amdgpu_gtt_size;
137 extern int amdgpu_moverate;
138 extern int amdgpu_benchmarking;
139 extern int amdgpu_testing;
140 extern int amdgpu_audio;
141 extern int amdgpu_disp_priority;
142 extern int amdgpu_hw_i2c;
143 extern int amdgpu_pcie_gen2;
144 extern int amdgpu_msi;
145 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
146 extern int amdgpu_dpm;
147 extern int amdgpu_fw_load_type;
148 extern int amdgpu_aspm;
149 extern int amdgpu_runtime_pm;
150 extern uint amdgpu_ip_block_mask;
151 extern int amdgpu_bapm;
152 extern int amdgpu_deep_color;
153 extern int amdgpu_vm_size;
154 extern int amdgpu_vm_block_size;
155 extern int amdgpu_vm_fragment_size;
156 extern int amdgpu_vm_fault_stop;
157 extern int amdgpu_vm_debug;
158 extern int amdgpu_vm_update_mode;
159 extern int amdgpu_exp_hw_support;
160 extern int amdgpu_dc;
161 extern int amdgpu_sched_jobs;
162 extern int amdgpu_sched_hw_submission;
163 extern uint amdgpu_pcie_gen_cap;
164 extern uint amdgpu_pcie_lane_cap;
165 extern uint amdgpu_cg_mask;
166 extern uint amdgpu_pg_mask;
167 extern uint amdgpu_sdma_phase_quantum;
168 extern char *amdgpu_disable_cu;
169 extern char *amdgpu_virtual_display;
170 extern uint amdgpu_pp_feature_mask;
171 extern uint amdgpu_force_long_training;
172 extern int amdgpu_job_hang_limit;
173 extern int amdgpu_lbpw;
174 extern int amdgpu_compute_multipipe;
175 extern int amdgpu_gpu_recovery;
176 extern int amdgpu_emu_mode;
177 extern uint amdgpu_smu_memory_pool_size;
178 extern uint amdgpu_dc_feature_mask;
179 extern uint amdgpu_dc_debug_mask;
180 extern uint amdgpu_dm_abm_level;
181 extern int amdgpu_backlight;
182 extern struct amdgpu_mgpu_info mgpu_info;
183 extern int amdgpu_ras_enable;
184 extern uint amdgpu_ras_mask;
185 extern int amdgpu_bad_page_threshold;
186 extern int amdgpu_async_gfx_ring;
187 extern int amdgpu_mcbp;
188 extern int amdgpu_discovery;
189 extern int amdgpu_mes;
190 extern int amdgpu_noretry;
191 extern int amdgpu_force_asic_type;
192 #ifdef CONFIG_HSA_AMD
193 extern int sched_policy;
194 extern bool debug_evictions;
195 extern bool no_system_mem_limit;
196 #else
197 static const int sched_policy = KFD_SCHED_POLICY_HWS;
198 static const bool debug_evictions; /* = false */
199 static const bool no_system_mem_limit;
200 #endif
201 
202 extern int amdgpu_tmz;
203 extern int amdgpu_reset_method;
204 
205 #ifdef CONFIG_DRM_AMDGPU_SI
206 extern int amdgpu_si_support;
207 #endif
208 #ifdef CONFIG_DRM_AMDGPU_CIK
209 extern int amdgpu_cik_support;
210 #endif
211 extern int amdgpu_num_kcq;
212 
213 #define AMDGPU_VM_MAX_NUM_CTX			4096
214 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
215 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
216 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
217 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
218 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
219 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
220 #define AMDGPUFB_CONN_LIMIT			4
221 #define AMDGPU_BIOS_NUM_SCRATCH			16
222 
223 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
224 
225 /* hard reset data */
226 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
227 
228 /* reset flags */
229 #define AMDGPU_RESET_GFX			(1 << 0)
230 #define AMDGPU_RESET_COMPUTE			(1 << 1)
231 #define AMDGPU_RESET_DMA			(1 << 2)
232 #define AMDGPU_RESET_CP				(1 << 3)
233 #define AMDGPU_RESET_GRBM			(1 << 4)
234 #define AMDGPU_RESET_DMA1			(1 << 5)
235 #define AMDGPU_RESET_RLC			(1 << 6)
236 #define AMDGPU_RESET_SEM			(1 << 7)
237 #define AMDGPU_RESET_IH				(1 << 8)
238 #define AMDGPU_RESET_VMC			(1 << 9)
239 #define AMDGPU_RESET_MC				(1 << 10)
240 #define AMDGPU_RESET_DISPLAY			(1 << 11)
241 #define AMDGPU_RESET_UVD			(1 << 12)
242 #define AMDGPU_RESET_VCE			(1 << 13)
243 #define AMDGPU_RESET_VCE1			(1 << 14)
244 
245 /* max cursor sizes (in pixels) */
246 #define CIK_CURSOR_WIDTH 128
247 #define CIK_CURSOR_HEIGHT 128
248 
249 struct amdgpu_device;
250 struct amdgpu_ib;
251 struct amdgpu_cs_parser;
252 struct amdgpu_job;
253 struct amdgpu_irq_src;
254 struct amdgpu_fpriv;
255 struct amdgpu_bo_va_mapping;
256 struct amdgpu_atif;
257 struct kfd_vm_fault_info;
258 struct amdgpu_hive_info;
259 
260 enum amdgpu_cp_irq {
261 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
262 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
263 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
264 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
265 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
266 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
267 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
268 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
269 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
270 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
271 
272 	AMDGPU_CP_IRQ_LAST
273 };
274 
275 enum amdgpu_thermal_irq {
276 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
277 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
278 
279 	AMDGPU_THERMAL_IRQ_LAST
280 };
281 
282 enum amdgpu_kiq_irq {
283 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
284 	AMDGPU_CP_KIQ_IRQ_LAST
285 };
286 #define SRIOV_USEC_TIMEOUT  1200000 /* wait 12 * 100ms for SRIOV */
287 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
288 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
289 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
290 
291 int amdgpu_device_ip_set_clockgating_state(void *dev,
292 					   enum amd_ip_block_type block_type,
293 					   enum amd_clockgating_state state);
294 int amdgpu_device_ip_set_powergating_state(void *dev,
295 					   enum amd_ip_block_type block_type,
296 					   enum amd_powergating_state state);
297 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
298 					    u32 *flags);
299 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
300 				   enum amd_ip_block_type block_type);
301 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
302 			      enum amd_ip_block_type block_type);
303 
304 #define AMDGPU_MAX_IP_NUM 16
305 
306 struct amdgpu_ip_block_status {
307 	bool valid;
308 	bool sw;
309 	bool hw;
310 	bool late_initialized;
311 	bool hang;
312 };
313 
314 struct amdgpu_ip_block_version {
315 	const enum amd_ip_block_type type;
316 	const u32 major;
317 	const u32 minor;
318 	const u32 rev;
319 	const struct amd_ip_funcs *funcs;
320 };
321 
322 #define HW_REV(_Major, _Minor, _Rev) \
323 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
324 
325 struct amdgpu_ip_block {
326 	struct amdgpu_ip_block_status status;
327 	const struct amdgpu_ip_block_version *version;
328 };
329 
330 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
331 				       enum amd_ip_block_type type,
332 				       u32 major, u32 minor);
333 
334 struct amdgpu_ip_block *
335 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
336 			      enum amd_ip_block_type type);
337 
338 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
339 			       const struct amdgpu_ip_block_version *ip_block_version);
340 
341 /*
342  * BIOS.
343  */
344 bool amdgpu_get_bios(struct amdgpu_device *adev);
345 bool amdgpu_read_bios(struct amdgpu_device *adev);
346 
347 /*
348  * Clocks
349  */
350 
351 #define AMDGPU_MAX_PPLL 3
352 
353 struct amdgpu_clock {
354 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
355 	struct amdgpu_pll spll;
356 	struct amdgpu_pll mpll;
357 	/* 10 Khz units */
358 	uint32_t default_mclk;
359 	uint32_t default_sclk;
360 	uint32_t default_dispclk;
361 	uint32_t current_dispclk;
362 	uint32_t dp_extclk;
363 	uint32_t max_pixel_clock;
364 };
365 
366 /* sub-allocation manager, it has to be protected by another lock.
367  * By conception this is an helper for other part of the driver
368  * like the indirect buffer or semaphore, which both have their
369  * locking.
370  *
371  * Principe is simple, we keep a list of sub allocation in offset
372  * order (first entry has offset == 0, last entry has the highest
373  * offset).
374  *
375  * When allocating new object we first check if there is room at
376  * the end total_size - (last_object_offset + last_object_size) >=
377  * alloc_size. If so we allocate new object there.
378  *
379  * When there is not enough room at the end, we start waiting for
380  * each sub object until we reach object_offset+object_size >=
381  * alloc_size, this object then become the sub object we return.
382  *
383  * Alignment can't be bigger than page size.
384  *
385  * Hole are not considered for allocation to keep things simple.
386  * Assumption is that there won't be hole (all object on same
387  * alignment).
388  */
389 
390 #define AMDGPU_SA_NUM_FENCE_LISTS	32
391 
392 struct amdgpu_sa_manager {
393 	wait_queue_head_t	wq;
394 	struct amdgpu_bo	*bo;
395 	struct list_head	*hole;
396 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
397 	struct list_head	olist;
398 	unsigned		size;
399 	uint64_t		gpu_addr;
400 	void			*cpu_ptr;
401 	uint32_t		domain;
402 	uint32_t		align;
403 };
404 
405 /* sub-allocation buffer */
406 struct amdgpu_sa_bo {
407 	struct list_head		olist;
408 	struct list_head		flist;
409 	struct amdgpu_sa_manager	*manager;
410 	unsigned			soffset;
411 	unsigned			eoffset;
412 	struct dma_fence	        *fence;
413 };
414 
415 int amdgpu_fence_slab_init(void);
416 void amdgpu_fence_slab_fini(void);
417 
418 /*
419  * IRQS.
420  */
421 
422 struct amdgpu_flip_work {
423 	struct delayed_work		flip_work;
424 	struct work_struct		unpin_work;
425 	struct amdgpu_device		*adev;
426 	int				crtc_id;
427 	u32				target_vblank;
428 	uint64_t			base;
429 	struct drm_pending_vblank_event *event;
430 	struct amdgpu_bo		*old_abo;
431 	struct dma_fence		*excl;
432 	unsigned			shared_count;
433 	struct dma_fence		**shared;
434 	struct dma_fence_cb		cb;
435 	bool				async;
436 };
437 
438 
439 /*
440  * CP & rings.
441  */
442 
443 struct amdgpu_ib {
444 	struct amdgpu_sa_bo		*sa_bo;
445 	uint32_t			length_dw;
446 	uint64_t			gpu_addr;
447 	uint32_t			*ptr;
448 	uint32_t			flags;
449 };
450 
451 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
452 
453 /*
454  * file private structure
455  */
456 
457 struct amdgpu_fpriv {
458 	struct amdgpu_vm	vm;
459 	struct amdgpu_bo_va	*prt_va;
460 	struct amdgpu_bo_va	*csa_va;
461 	struct mutex		bo_list_lock;
462 	struct idr		bo_list_handles;
463 	struct amdgpu_ctx_mgr	ctx_mgr;
464 };
465 
466 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
467 
468 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
469 		  unsigned size,
470 		  enum amdgpu_ib_pool_type pool,
471 		  struct amdgpu_ib *ib);
472 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
473 		    struct dma_fence *f);
474 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
475 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
476 		       struct dma_fence **f);
477 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
478 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
479 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
480 
481 /*
482  * CS.
483  */
484 struct amdgpu_cs_chunk {
485 	uint32_t		chunk_id;
486 	uint32_t		length_dw;
487 	void			*kdata;
488 };
489 
490 struct amdgpu_cs_post_dep {
491 	struct drm_syncobj *syncobj;
492 	struct dma_fence_chain *chain;
493 	u64 point;
494 };
495 
496 struct amdgpu_cs_parser {
497 	struct amdgpu_device	*adev;
498 	struct drm_file		*filp;
499 	struct amdgpu_ctx	*ctx;
500 
501 	/* chunks */
502 	unsigned		nchunks;
503 	struct amdgpu_cs_chunk	*chunks;
504 
505 	/* scheduler job object */
506 	struct amdgpu_job	*job;
507 	struct drm_sched_entity	*entity;
508 
509 	/* buffer objects */
510 	struct ww_acquire_ctx		ticket;
511 	struct amdgpu_bo_list		*bo_list;
512 	struct amdgpu_mn		*mn;
513 	struct amdgpu_bo_list_entry	vm_pd;
514 	struct list_head		validated;
515 	struct dma_fence		*fence;
516 	uint64_t			bytes_moved_threshold;
517 	uint64_t			bytes_moved_vis_threshold;
518 	uint64_t			bytes_moved;
519 	uint64_t			bytes_moved_vis;
520 
521 	/* user fence */
522 	struct amdgpu_bo_list_entry	uf_entry;
523 
524 	unsigned			num_post_deps;
525 	struct amdgpu_cs_post_dep	*post_deps;
526 };
527 
amdgpu_get_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx)528 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
529 				      uint32_t ib_idx, int idx)
530 {
531 	return p->job->ibs[ib_idx].ptr[idx];
532 }
533 
amdgpu_set_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx,uint32_t value)534 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
535 				       uint32_t ib_idx, int idx,
536 				       uint32_t value)
537 {
538 	p->job->ibs[ib_idx].ptr[idx] = value;
539 }
540 
541 /*
542  * Writeback
543  */
544 #define AMDGPU_MAX_WB 256	/* Reserve at most 256 WB slots for amdgpu-owned rings. */
545 
546 struct amdgpu_wb {
547 	struct amdgpu_bo	*wb_obj;
548 	volatile uint32_t	*wb;
549 	uint64_t		gpu_addr;
550 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
551 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
552 };
553 
554 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
555 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
556 
557 /*
558  * Benchmarking
559  */
560 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
561 
562 
563 /*
564  * Testing
565  */
566 void amdgpu_test_moves(struct amdgpu_device *adev);
567 
568 /*
569  * ASIC specific register table accessible by UMD
570  */
571 struct amdgpu_allowed_register_entry {
572 	uint32_t reg_offset;
573 	bool grbm_indexed;
574 };
575 
576 enum amd_reset_method {
577 	AMD_RESET_METHOD_LEGACY = 0,
578 	AMD_RESET_METHOD_MODE0,
579 	AMD_RESET_METHOD_MODE1,
580 	AMD_RESET_METHOD_MODE2,
581 	AMD_RESET_METHOD_BACO
582 };
583 
584 /*
585  * ASIC specific functions.
586  */
587 struct amdgpu_asic_funcs {
588 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
589 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
590 				   u8 *bios, u32 length_bytes);
591 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
592 			     u32 sh_num, u32 reg_offset, u32 *value);
593 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
594 	int (*reset)(struct amdgpu_device *adev);
595 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
596 	/* get the reference clock */
597 	u32 (*get_xclk)(struct amdgpu_device *adev);
598 	/* MM block clocks */
599 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
600 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
601 	/* static power management */
602 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
603 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
604 	/* get config memsize register */
605 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
606 	/* flush hdp write queue */
607 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
608 	/* invalidate hdp read cache */
609 	void (*invalidate_hdp)(struct amdgpu_device *adev,
610 			       struct amdgpu_ring *ring);
611 	void (*reset_hdp_ras_error_count)(struct amdgpu_device *adev);
612 	/* check if the asic needs a full reset of if soft reset will work */
613 	bool (*need_full_reset)(struct amdgpu_device *adev);
614 	/* initialize doorbell layout for specific asic*/
615 	void (*init_doorbell_index)(struct amdgpu_device *adev);
616 	/* PCIe bandwidth usage */
617 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
618 			       uint64_t *count1);
619 	/* do we need to reset the asic at init time (e.g., kexec) */
620 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
621 	/* PCIe replay counter */
622 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
623 	/* device supports BACO */
624 	bool (*supports_baco)(struct amdgpu_device *adev);
625 	/* pre asic_init quirks */
626 	void (*pre_asic_init)(struct amdgpu_device *adev);
627 };
628 
629 /*
630  * IOCTL.
631  */
632 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
633 				struct drm_file *filp);
634 
635 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
636 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
637 				    struct drm_file *filp);
638 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
639 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
640 				struct drm_file *filp);
641 
642 /* VRAM scratch page for HDP bug, default vram page */
643 struct amdgpu_vram_scratch {
644 	struct amdgpu_bo		*robj;
645 	volatile uint32_t		*ptr;
646 	u64				gpu_addr;
647 };
648 
649 /*
650  * ACPI
651  */
652 struct amdgpu_atcs_functions {
653 	bool get_ext_state;
654 	bool pcie_perf_req;
655 	bool pcie_dev_rdy;
656 	bool pcie_bus_width;
657 };
658 
659 struct amdgpu_atcs {
660 	struct amdgpu_atcs_functions functions;
661 };
662 
663 /*
664  * CGS
665  */
666 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
667 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
668 
669 /*
670  * Core structure, functions and helpers.
671  */
672 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
673 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
674 
675 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
676 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
677 
678 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
679 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
680 
681 struct amdgpu_mmio_remap {
682 	u32 reg_offset;
683 	resource_size_t bus_addr;
684 };
685 
686 /* Define the HW IP blocks will be used in driver , add more if necessary */
687 enum amd_hw_ip_block_type {
688 	GC_HWIP = 1,
689 	HDP_HWIP,
690 	SDMA0_HWIP,
691 	SDMA1_HWIP,
692 	SDMA2_HWIP,
693 	SDMA3_HWIP,
694 	SDMA4_HWIP,
695 	SDMA5_HWIP,
696 	SDMA6_HWIP,
697 	SDMA7_HWIP,
698 	MMHUB_HWIP,
699 	ATHUB_HWIP,
700 	NBIO_HWIP,
701 	MP0_HWIP,
702 	MP1_HWIP,
703 	UVD_HWIP,
704 	VCN_HWIP = UVD_HWIP,
705 	JPEG_HWIP = VCN_HWIP,
706 	VCE_HWIP,
707 	DF_HWIP,
708 	DCE_HWIP,
709 	OSSSYS_HWIP,
710 	SMUIO_HWIP,
711 	PWR_HWIP,
712 	NBIF_HWIP,
713 	THM_HWIP,
714 	CLK_HWIP,
715 	UMC_HWIP,
716 	RSMU_HWIP,
717 	MAX_HWIP
718 };
719 
720 #define HWIP_MAX_INSTANCE	10
721 
722 struct amd_powerplay {
723 	void *pp_handle;
724 	const struct amd_pm_funcs *pp_funcs;
725 };
726 
727 #define AMDGPU_RESET_MAGIC_NUM 64
728 #define AMDGPU_MAX_DF_PERFMONS 4
729 struct amdgpu_device {
730 	struct device			*dev;
731 	struct pci_dev			*pdev;
732 	struct drm_device		ddev;
733 
734 #ifdef CONFIG_DRM_AMD_ACP
735 	struct amdgpu_acp		acp;
736 #endif
737 	struct amdgpu_hive_info *hive;
738 	/* ASIC */
739 	enum amd_asic_type		asic_type;
740 	uint32_t			family;
741 	uint32_t			rev_id;
742 	uint32_t			external_rev_id;
743 	unsigned long			flags;
744 	unsigned long			apu_flags;
745 	int				usec_timeout;
746 	const struct amdgpu_asic_funcs	*asic_funcs;
747 	bool				shutdown;
748 	bool				need_swiotlb;
749 	bool				accel_working;
750 	struct notifier_block		acpi_nb;
751 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
752 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
753 	unsigned			debugfs_count;
754 #if defined(CONFIG_DEBUG_FS)
755 	struct dentry                   *debugfs_preempt;
756 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
757 #endif
758 	struct amdgpu_atif		*atif;
759 	struct amdgpu_atcs		atcs;
760 	struct mutex			srbm_mutex;
761 	/* GRBM index mutex. Protects concurrent access to GRBM index */
762 	struct mutex                    grbm_idx_mutex;
763 	struct dev_pm_domain		vga_pm_domain;
764 	bool				have_disp_power_ref;
765 	bool                            have_atomics_support;
766 
767 	/* BIOS */
768 	bool				is_atom_fw;
769 	uint8_t				*bios;
770 	uint32_t			bios_size;
771 	uint32_t			bios_scratch_reg_offset;
772 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
773 
774 	/* Register/doorbell mmio */
775 	resource_size_t			rmmio_base;
776 	resource_size_t			rmmio_size;
777 	void __iomem			*rmmio;
778 	/* protects concurrent MM_INDEX/DATA based register access */
779 	spinlock_t mmio_idx_lock;
780 	struct amdgpu_mmio_remap        rmmio_remap;
781 	/* protects concurrent SMC based register access */
782 	spinlock_t smc_idx_lock;
783 	amdgpu_rreg_t			smc_rreg;
784 	amdgpu_wreg_t			smc_wreg;
785 	/* protects concurrent PCIE register access */
786 	spinlock_t pcie_idx_lock;
787 	amdgpu_rreg_t			pcie_rreg;
788 	amdgpu_wreg_t			pcie_wreg;
789 	amdgpu_rreg_t			pciep_rreg;
790 	amdgpu_wreg_t			pciep_wreg;
791 	amdgpu_rreg64_t			pcie_rreg64;
792 	amdgpu_wreg64_t			pcie_wreg64;
793 	/* protects concurrent UVD register access */
794 	spinlock_t uvd_ctx_idx_lock;
795 	amdgpu_rreg_t			uvd_ctx_rreg;
796 	amdgpu_wreg_t			uvd_ctx_wreg;
797 	/* protects concurrent DIDT register access */
798 	spinlock_t didt_idx_lock;
799 	amdgpu_rreg_t			didt_rreg;
800 	amdgpu_wreg_t			didt_wreg;
801 	/* protects concurrent gc_cac register access */
802 	spinlock_t gc_cac_idx_lock;
803 	amdgpu_rreg_t			gc_cac_rreg;
804 	amdgpu_wreg_t			gc_cac_wreg;
805 	/* protects concurrent se_cac register access */
806 	spinlock_t se_cac_idx_lock;
807 	amdgpu_rreg_t			se_cac_rreg;
808 	amdgpu_wreg_t			se_cac_wreg;
809 	/* protects concurrent ENDPOINT (audio) register access */
810 	spinlock_t audio_endpt_idx_lock;
811 	amdgpu_block_rreg_t		audio_endpt_rreg;
812 	amdgpu_block_wreg_t		audio_endpt_wreg;
813 	void __iomem                    *rio_mem;
814 	resource_size_t			rio_mem_size;
815 	struct amdgpu_doorbell		doorbell;
816 
817 	/* clock/pll info */
818 	struct amdgpu_clock            clock;
819 
820 	/* MC */
821 	struct amdgpu_gmc		gmc;
822 	struct amdgpu_gart		gart;
823 	dma_addr_t			dummy_page_addr;
824 	struct amdgpu_vm_manager	vm_manager;
825 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
826 	unsigned			num_vmhubs;
827 
828 	/* memory management */
829 	struct amdgpu_mman		mman;
830 	struct amdgpu_vram_scratch	vram_scratch;
831 	struct amdgpu_wb		wb;
832 	atomic64_t			num_bytes_moved;
833 	atomic64_t			num_evictions;
834 	atomic64_t			num_vram_cpu_page_faults;
835 	atomic_t			gpu_reset_counter;
836 	atomic_t			vram_lost_counter;
837 
838 	/* data for buffer migration throttling */
839 	struct {
840 		spinlock_t		lock;
841 		s64			last_update_us;
842 		s64			accum_us; /* accumulated microseconds */
843 		s64			accum_us_vis; /* for visible VRAM */
844 		u32			log2_max_MBps;
845 	} mm_stats;
846 
847 	/* display */
848 	bool				enable_virtual_display;
849 	struct amdgpu_mode_info		mode_info;
850 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
851 	struct work_struct		hotplug_work;
852 	struct amdgpu_irq_src		crtc_irq;
853 	struct amdgpu_irq_src		vupdate_irq;
854 	struct amdgpu_irq_src		pageflip_irq;
855 	struct amdgpu_irq_src		hpd_irq;
856 
857 	/* rings */
858 	u64				fence_context;
859 	unsigned			num_rings;
860 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
861 	bool				ib_pool_ready;
862 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
863 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
864 
865 	/* interrupts */
866 	struct amdgpu_irq		irq;
867 
868 	/* powerplay */
869 	struct amd_powerplay		powerplay;
870 	bool				pp_force_state_enabled;
871 
872 	/* smu */
873 	struct smu_context		smu;
874 
875 	/* dpm */
876 	struct amdgpu_pm		pm;
877 	u32				cg_flags;
878 	u32				pg_flags;
879 
880 	/* nbio */
881 	struct amdgpu_nbio		nbio;
882 
883 	/* mmhub */
884 	struct amdgpu_mmhub		mmhub;
885 
886 	/* gfxhub */
887 	struct amdgpu_gfxhub		gfxhub;
888 
889 	/* gfx */
890 	struct amdgpu_gfx		gfx;
891 
892 	/* sdma */
893 	struct amdgpu_sdma		sdma;
894 
895 	/* uvd */
896 	struct amdgpu_uvd		uvd;
897 
898 	/* vce */
899 	struct amdgpu_vce		vce;
900 
901 	/* vcn */
902 	struct amdgpu_vcn		vcn;
903 
904 	/* jpeg */
905 	struct amdgpu_jpeg		jpeg;
906 
907 	/* firmwares */
908 	struct amdgpu_firmware		firmware;
909 
910 	/* PSP */
911 	struct psp_context		psp;
912 
913 	/* GDS */
914 	struct amdgpu_gds		gds;
915 
916 	/* KFD */
917 	struct amdgpu_kfd_dev		kfd;
918 
919 	/* UMC */
920 	struct amdgpu_umc		umc;
921 
922 	/* display related functionality */
923 	struct amdgpu_display_manager dm;
924 
925 	/* mes */
926 	bool                            enable_mes;
927 	struct amdgpu_mes               mes;
928 
929 	/* df */
930 	struct amdgpu_df                df;
931 
932 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
933 	int				num_ip_blocks;
934 	struct mutex	mn_lock;
935 	DECLARE_HASHTABLE(mn_hash, 7);
936 
937 	/* tracking pinned memory */
938 	atomic64_t vram_pin_size;
939 	atomic64_t visible_pin_size;
940 	atomic64_t gart_pin_size;
941 
942 	/* soc15 register offset based on ip, instance and  segment */
943 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
944 
945 	/* delayed work_func for deferring clockgating during resume */
946 	struct delayed_work     delayed_init_work;
947 
948 	struct amdgpu_virt	virt;
949 
950 	/* link all shadow bo */
951 	struct list_head                shadow_list;
952 	struct mutex                    shadow_list_lock;
953 
954 	/* record hw reset is performed */
955 	bool has_hw_reset;
956 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
957 
958 	/* s3/s4 mask */
959 	bool                            in_suspend;
960 	bool				in_hibernate;
961 
962 	atomic_t 			in_gpu_reset;
963 	enum pp_mp1_state               mp1_state;
964 	struct rw_semaphore reset_sem;
965 	struct amdgpu_doorbell_index doorbell_index;
966 
967 	struct mutex			notifier_lock;
968 
969 	int asic_reset_res;
970 	struct work_struct		xgmi_reset_work;
971 
972 	long				gfx_timeout;
973 	long				sdma_timeout;
974 	long				video_timeout;
975 	long				compute_timeout;
976 
977 	uint64_t			unique_id;
978 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
979 
980 	/* enable runtime pm on the device */
981 	bool                            runpm;
982 	bool                            in_runpm;
983 
984 	bool                            pm_sysfs_en;
985 	bool                            ucode_sysfs_en;
986 
987 	/* Chip product information */
988 	char				product_number[16];
989 	char				product_name[32];
990 	char				serial[20];
991 
992 	struct amdgpu_autodump		autodump;
993 
994 	atomic_t			throttling_logging_enabled;
995 	struct ratelimit_state		throttling_logging_rs;
996 	uint32_t			ras_features;
997 
998 	bool                            in_pci_err_recovery;
999 	struct pci_saved_state          *pci_state;
1000 };
1001 
drm_to_adev(struct drm_device * ddev)1002 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1003 {
1004 	return container_of(ddev, struct amdgpu_device, ddev);
1005 }
1006 
adev_to_drm(struct amdgpu_device * adev)1007 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1008 {
1009 	return &adev->ddev;
1010 }
1011 
amdgpu_ttm_adev(struct ttm_bo_device * bdev)1012 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1013 {
1014 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1015 }
1016 
1017 int amdgpu_device_init(struct amdgpu_device *adev,
1018 		       uint32_t flags);
1019 void amdgpu_device_fini(struct amdgpu_device *adev);
1020 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1021 
1022 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1023 			       uint32_t *buf, size_t size, bool write);
1024 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1025 			    uint32_t reg, uint32_t acc_flags);
1026 void amdgpu_device_wreg(struct amdgpu_device *adev,
1027 			uint32_t reg, uint32_t v,
1028 			uint32_t acc_flags);
1029 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1030 			     uint32_t reg, uint32_t v);
1031 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1032 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1033 
1034 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1035 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1036 
1037 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1038 				u32 pcie_index, u32 pcie_data,
1039 				u32 reg_addr);
1040 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1041 				  u32 pcie_index, u32 pcie_data,
1042 				  u32 reg_addr);
1043 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1044 				 u32 pcie_index, u32 pcie_data,
1045 				 u32 reg_addr, u32 reg_data);
1046 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1047 				   u32 pcie_index, u32 pcie_data,
1048 				   u32 reg_addr, u64 reg_data);
1049 
1050 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1051 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1052 
1053 int emu_soc_asic_init(struct amdgpu_device *adev);
1054 
1055 /*
1056  * Registers read & write functions.
1057  */
1058 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1059 
1060 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1061 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1062 
1063 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1064 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1065 
1066 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1067 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1068 
1069 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1070 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1071 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1072 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1073 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1074 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1075 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1076 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1077 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1078 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1079 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1080 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1081 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1082 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1083 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1084 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1085 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1086 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1087 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1088 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1089 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1090 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1091 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1092 #define WREG32_P(reg, val, mask)				\
1093 	do {							\
1094 		uint32_t tmp_ = RREG32(reg);			\
1095 		tmp_ &= (mask);					\
1096 		tmp_ |= ((val) & ~(mask));			\
1097 		WREG32(reg, tmp_);				\
1098 	} while (0)
1099 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1100 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1101 #define WREG32_PLL_P(reg, val, mask)				\
1102 	do {							\
1103 		uint32_t tmp_ = RREG32_PLL(reg);		\
1104 		tmp_ &= (mask);					\
1105 		tmp_ |= ((val) & ~(mask));			\
1106 		WREG32_PLL(reg, tmp_);				\
1107 	} while (0)
1108 
1109 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1110 	do {                                                    \
1111 		u32 tmp = RREG32_SMC(_Reg);                     \
1112 		tmp &= (_Mask);                                 \
1113 		tmp |= ((_Val) & ~(_Mask));                     \
1114 		WREG32_SMC(_Reg, tmp);                          \
1115 	} while (0)
1116 
1117 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1118 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1119 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1120 
1121 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1122 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1123 
1124 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1125 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1126 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1127 
1128 #define REG_GET_FIELD(value, reg, field)				\
1129 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1130 
1131 #define WREG32_FIELD(reg, field, val)	\
1132 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1133 
1134 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1135 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1136 
1137 /*
1138  * BIOS helpers.
1139  */
1140 #define RBIOS8(i) (adev->bios[i])
1141 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1142 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1143 
1144 /*
1145  * ASICs macro.
1146  */
1147 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1148 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1149 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1150 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1151 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1152 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1153 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1154 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1155 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1156 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1157 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1158 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1159 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1160 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1161 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1162 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1163 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1164 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1165 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1166 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1167 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1168 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1169 
1170 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1171 
1172 /* Common functions */
1173 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1174 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1175 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1176 			      struct amdgpu_job* job);
1177 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1178 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1179 
1180 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1181 				  u64 num_vis_bytes);
1182 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1183 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1184 					     const u32 *registers,
1185 					     const u32 array_size);
1186 
1187 bool amdgpu_device_supports_boco(struct drm_device *dev);
1188 bool amdgpu_device_supports_baco(struct drm_device *dev);
1189 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1190 				      struct amdgpu_device *peer_adev);
1191 int amdgpu_device_baco_enter(struct drm_device *dev);
1192 int amdgpu_device_baco_exit(struct drm_device *dev);
1193 
1194 /* atpx handler */
1195 #if defined(CONFIG_VGA_SWITCHEROO)
1196 void amdgpu_register_atpx_handler(void);
1197 void amdgpu_unregister_atpx_handler(void);
1198 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1199 bool amdgpu_is_atpx_hybrid(void);
1200 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1201 bool amdgpu_has_atpx(void);
1202 #else
amdgpu_register_atpx_handler(void)1203 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1204 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1205 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1206 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_atpx_dgpu_req_power_for_displays(void)1207 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
amdgpu_has_atpx(void)1208 static inline bool amdgpu_has_atpx(void) { return false; }
1209 #endif
1210 
1211 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1212 void *amdgpu_atpx_get_dhandle(void);
1213 #else
amdgpu_atpx_get_dhandle(void)1214 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1215 #endif
1216 
1217 /*
1218  * KMS
1219  */
1220 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1221 extern const int amdgpu_max_kms_ioctl;
1222 
1223 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1224 void amdgpu_driver_unload_kms(struct drm_device *dev);
1225 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1226 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1227 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1228 				 struct drm_file *file_priv);
1229 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1230 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1231 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1232 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1233 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1234 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1235 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1236 			     unsigned long arg);
1237 
1238 /*
1239  * functions used by amdgpu_encoder.c
1240  */
1241 struct amdgpu_afmt_acr {
1242 	u32 clock;
1243 
1244 	int n_32khz;
1245 	int cts_32khz;
1246 
1247 	int n_44_1khz;
1248 	int cts_44_1khz;
1249 
1250 	int n_48khz;
1251 	int cts_48khz;
1252 
1253 };
1254 
1255 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1256 
1257 /* amdgpu_acpi.c */
1258 #if defined(CONFIG_ACPI)
1259 int amdgpu_acpi_init(struct amdgpu_device *adev);
1260 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1261 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1262 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1263 						u8 perf_req, bool advertise);
1264 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1265 
1266 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1267 		struct amdgpu_dm_backlight_caps *caps);
1268 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1269 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_fini(struct amdgpu_device * adev)1270 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1271 #endif
1272 
1273 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1274 			   uint64_t addr, struct amdgpu_bo **bo,
1275 			   struct amdgpu_bo_va_mapping **mapping);
1276 
1277 #if defined(CONFIG_DRM_AMD_DC)
1278 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1279 #else
amdgpu_dm_display_resume(struct amdgpu_device * adev)1280 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1281 #endif
1282 
1283 
1284 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1285 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1286 
1287 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1288 					   pci_channel_state_t state);
1289 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1290 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1291 void amdgpu_pci_resume(struct pci_dev *pdev);
1292 
1293 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1294 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1295 
1296 #include "amdgpu_object.h"
1297 
1298 /* used by df_v3_6.c and amdgpu_pmu.c */
1299 #define AMDGPU_PMU_ATTR(_name, _object)					\
1300 static ssize_t								\
1301 _name##_show(struct device *dev,					\
1302 			       struct device_attribute *attr,		\
1303 			       char *page)				\
1304 {									\
1305 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1306 	return sprintf(page, _object "\n");				\
1307 }									\
1308 									\
1309 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1310 
amdgpu_is_tmz(struct amdgpu_device * adev)1311 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1312 {
1313        return adev->gmc.tmz_enabled;
1314 }
1315 
amdgpu_in_reset(struct amdgpu_device * adev)1316 static inline int amdgpu_in_reset(struct amdgpu_device *adev)
1317 {
1318 	return atomic_read(&adev->in_gpu_reset);
1319 }
1320 #endif
1321