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