1 /*	$NetBSD: amdgpu.h,v 1.8 2022/10/08 19:06:30 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2008 Advanced Micro Devices, Inc.
5  * Copyright 2008 Red Hat Inc.
6  * Copyright 2009 Jerome Glisse.
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24  * OTHER DEALINGS IN THE SOFTWARE.
25  *
26  * Authors: Dave Airlie
27  *          Alex Deucher
28  *          Jerome Glisse
29  */
30 #ifndef __AMDGPU_H__
31 #define __AMDGPU_H__
32 
33 #ifdef _KERNEL_OPT
34 #include "opt_amdgpu_cik.h"
35 #endif
36 
37 #ifdef AMDGPU_CIK
38 #define	CONFIG_DRM_AMDGPU_CIK	1
39 #endif
40 #include "amdgpu_ctx.h"
41 
42 #include <linux/atomic.h>
43 #include <linux/wait.h>
44 #include <linux/list.h>
45 #include <linux/kref.h>
46 #include <linux/rbtree.h>
47 #include <linux/hashtable.h>
48 #include <linux/dma-fence.h>
49 
50 #include <drm/ttm/ttm_bo_api.h>
51 #include <drm/ttm/ttm_bo_driver.h>
52 #include <drm/ttm/ttm_placement.h>
53 #include <drm/ttm/ttm_module.h>
54 #include <drm/ttm/ttm_execbuf_util.h>
55 
56 #include <drm/amdgpu_drm.h>
57 #include <drm/drm_gem.h>
58 #include <drm/drm_ioctl.h>
59 #include <drm/gpu_scheduler.h>
60 
61 #include <kgd_kfd_interface.h>
62 #include "dm_pp_interface.h"
63 #include "kgd_pp_interface.h"
64 
65 #include "amd_shared.h"
66 #include "amdgpu_mode.h"
67 #include "amdgpu_ih.h"
68 #include "amdgpu_irq.h"
69 #include "amdgpu_ucode.h"
70 #include "amdgpu_ttm.h"
71 #include "amdgpu_psp.h"
72 #include "amdgpu_gds.h"
73 #include "amdgpu_sync.h"
74 #include "amdgpu_ring.h"
75 #include "amdgpu_vm.h"
76 #include "amdgpu_dpm.h"
77 #include "amdgpu_acp.h"
78 #include "amdgpu_uvd.h"
79 #include "amdgpu_vce.h"
80 #include "amdgpu_vcn.h"
81 #include "amdgpu_jpeg.h"
82 #include "amdgpu_mn.h"
83 #include "amdgpu_gmc.h"
84 #include "amdgpu_gfx.h"
85 #include "amdgpu_sdma.h"
86 #include "amdgpu_nbio.h"
87 #include "amdgpu_dm.h"
88 #include "amdgpu_virt.h"
89 #include "amdgpu_csa.h"
90 #include "amdgpu_gart.h"
91 #include "amdgpu_debugfs.h"
92 #include "amdgpu_job.h"
93 #include "amdgpu_bo_list.h"
94 #include "amdgpu_gem.h"
95 #include "amdgpu_doorbell.h"
96 #include "amdgpu_amdkfd.h"
97 #include "amdgpu_smu.h"
98 #include "amdgpu_discovery.h"
99 #include "amdgpu_mes.h"
100 #include "amdgpu_umc.h"
101 #include "amdgpu_mmhub.h"
102 #include "amdgpu_df.h"
103 
104 #define MAX_GPU_INSTANCE		16
105 
106 struct amdgpu_gpu_instance
107 {
108 	struct amdgpu_device		*adev;
109 	int				mgpu_fan_enabled;
110 };
111 
112 struct amdgpu_mgpu_info
113 {
114 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
115 	struct mutex			mutex;
116 	uint32_t			num_gpu;
117 	uint32_t			num_dgpu;
118 	uint32_t			num_apu;
119 };
120 
121 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
122 
123 /*
124  * Modules parameters.
125  */
126 extern int amdgpu_modeset;
127 extern int amdgpu_vram_limit;
128 extern int amdgpu_vis_vram_limit;
129 extern int amdgpu_gart_size;
130 extern int amdgpu_gtt_size;
131 extern int amdgpu_moverate;
132 extern int amdgpu_benchmarking;
133 extern int amdgpu_testing;
134 extern int amdgpu_audio;
135 extern int amdgpu_disp_priority;
136 extern int amdgpu_hw_i2c;
137 extern int amdgpu_pcie_gen2;
138 extern int amdgpu_msi;
139 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
140 extern int amdgpu_dpm;
141 extern int amdgpu_fw_load_type;
142 extern int amdgpu_aspm;
143 extern int amdgpu_runtime_pm;
144 extern uint amdgpu_ip_block_mask;
145 extern int amdgpu_bapm;
146 extern int amdgpu_deep_color;
147 extern int amdgpu_vm_size;
148 extern int amdgpu_vm_block_size;
149 extern int amdgpu_vm_fragment_size;
150 extern int amdgpu_vm_fault_stop;
151 extern int amdgpu_vm_debug;
152 extern int amdgpu_vm_update_mode;
153 extern int amdgpu_exp_hw_support;
154 extern int amdgpu_dc;
155 extern int amdgpu_sched_jobs;
156 extern int amdgpu_sched_hw_submission;
157 extern uint amdgpu_pcie_gen_cap;
158 extern uint amdgpu_pcie_lane_cap;
159 extern uint amdgpu_cg_mask;
160 extern uint amdgpu_pg_mask;
161 extern uint amdgpu_sdma_phase_quantum;
162 extern char *amdgpu_disable_cu;
163 extern char *amdgpu_virtual_display;
164 extern uint amdgpu_pp_feature_mask;
165 extern uint amdgpu_force_long_training;
166 extern int amdgpu_job_hang_limit;
167 extern int amdgpu_lbpw;
168 extern int amdgpu_compute_multipipe;
169 extern int amdgpu_gpu_recovery;
170 extern int amdgpu_emu_mode;
171 extern uint amdgpu_smu_memory_pool_size;
172 extern uint amdgpu_dc_feature_mask;
173 extern uint amdgpu_dm_abm_level;
174 extern struct amdgpu_mgpu_info mgpu_info;
175 extern int amdgpu_ras_enable;
176 extern uint amdgpu_ras_mask;
177 extern int amdgpu_async_gfx_ring;
178 extern int amdgpu_mcbp;
179 extern int amdgpu_discovery;
180 extern int amdgpu_mes;
181 extern int amdgpu_noretry;
182 extern int amdgpu_force_asic_type;
183 #ifdef CONFIG_HSA_AMD
184 extern int sched_policy;
185 #else
186 static const int sched_policy = KFD_SCHED_POLICY_HWS;
187 #endif
188 
189 #ifdef CONFIG_DRM_AMDGPU_SI
190 extern int amdgpu_si_support;
191 #endif
192 #ifdef CONFIG_DRM_AMDGPU_CIK
193 extern int amdgpu_cik_support;
194 #endif
195 
196 #define AMDGPU_VM_MAX_NUM_CTX			4096
197 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
198 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
199 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
200 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
201 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
202 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
203 #define AMDGPU_IB_POOL_SIZE			16
204 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
205 #define AMDGPUFB_CONN_LIMIT			4
206 #define AMDGPU_BIOS_NUM_SCRATCH			16
207 
208 /* hard reset data */
209 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
210 
211 /* reset flags */
212 #define AMDGPU_RESET_GFX			(1 << 0)
213 #define AMDGPU_RESET_COMPUTE			(1 << 1)
214 #define AMDGPU_RESET_DMA			(1 << 2)
215 #define AMDGPU_RESET_CP				(1 << 3)
216 #define AMDGPU_RESET_GRBM			(1 << 4)
217 #define AMDGPU_RESET_DMA1			(1 << 5)
218 #define AMDGPU_RESET_RLC			(1 << 6)
219 #define AMDGPU_RESET_SEM			(1 << 7)
220 #define AMDGPU_RESET_IH				(1 << 8)
221 #define AMDGPU_RESET_VMC			(1 << 9)
222 #define AMDGPU_RESET_MC				(1 << 10)
223 #define AMDGPU_RESET_DISPLAY			(1 << 11)
224 #define AMDGPU_RESET_UVD			(1 << 12)
225 #define AMDGPU_RESET_VCE			(1 << 13)
226 #define AMDGPU_RESET_VCE1			(1 << 14)
227 
228 /* max cursor sizes (in pixels) */
229 #define CIK_CURSOR_WIDTH 128
230 #define CIK_CURSOR_HEIGHT 128
231 
232 struct amdgpu_device;
233 struct amdgpu_ib;
234 struct amdgpu_cs_parser;
235 struct amdgpu_job;
236 struct amdgpu_irq_src;
237 struct amdgpu_fpriv;
238 struct amdgpu_bo_va_mapping;
239 struct amdgpu_atif;
240 struct kfd_vm_fault_info;
241 
242 enum amdgpu_cp_irq {
243 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
244 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
245 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
246 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
247 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
248 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
249 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
250 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
251 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
252 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
253 
254 	AMDGPU_CP_IRQ_LAST
255 };
256 
257 enum amdgpu_thermal_irq {
258 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
259 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
260 
261 	AMDGPU_THERMAL_IRQ_LAST
262 };
263 
264 enum amdgpu_kiq_irq {
265 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
266 	AMDGPU_CP_KIQ_IRQ_LAST
267 };
268 
269 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
270 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
271 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
272 
273 int amdgpu_device_ip_set_clockgating_state(void *dev,
274 					   enum amd_ip_block_type block_type,
275 					   enum amd_clockgating_state state);
276 int amdgpu_device_ip_set_powergating_state(void *dev,
277 					   enum amd_ip_block_type block_type,
278 					   enum amd_powergating_state state);
279 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
280 					    u32 *flags);
281 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
282 				   enum amd_ip_block_type block_type);
283 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
284 			      enum amd_ip_block_type block_type);
285 
286 #define AMDGPU_MAX_IP_NUM 16
287 
288 struct amdgpu_ip_block_status {
289 	bool valid;
290 	bool sw;
291 	bool hw;
292 	bool late_initialized;
293 	bool hang;
294 };
295 
296 struct amdgpu_ip_block_version {
297 	const enum amd_ip_block_type type;
298 	const u32 major;
299 	const u32 minor;
300 	const u32 rev;
301 	const struct amd_ip_funcs *funcs;
302 };
303 
304 #define HW_REV(_Major, _Minor, _Rev) \
305 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
306 
307 struct amdgpu_ip_block {
308 	struct amdgpu_ip_block_status status;
309 	const struct amdgpu_ip_block_version *version;
310 };
311 
312 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
313 				       enum amd_ip_block_type type,
314 				       u32 major, u32 minor);
315 
316 struct amdgpu_ip_block *
317 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
318 			      enum amd_ip_block_type type);
319 
320 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
321 			       const struct amdgpu_ip_block_version *ip_block_version);
322 
323 /*
324  * BIOS.
325  */
326 bool amdgpu_get_bios(struct amdgpu_device *adev);
327 bool amdgpu_read_bios(struct amdgpu_device *adev);
328 
329 /*
330  * Clocks
331  */
332 
333 #define AMDGPU_MAX_PPLL 3
334 
335 struct amdgpu_clock {
336 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
337 	struct amdgpu_pll spll;
338 	struct amdgpu_pll mpll;
339 	/* 10 Khz units */
340 	uint32_t default_mclk;
341 	uint32_t default_sclk;
342 	uint32_t default_dispclk;
343 	uint32_t current_dispclk;
344 	uint32_t dp_extclk;
345 	uint32_t max_pixel_clock;
346 };
347 
348 /* sub-allocation manager, it has to be protected by another lock.
349  * By conception this is an helper for other part of the driver
350  * like the indirect buffer or semaphore, which both have their
351  * locking.
352  *
353  * Principe is simple, we keep a list of sub allocation in offset
354  * order (first entry has offset == 0, last entry has the highest
355  * offset).
356  *
357  * When allocating new object we first check if there is room at
358  * the end total_size - (last_object_offset + last_object_size) >=
359  * alloc_size. If so we allocate new object there.
360  *
361  * When there is not enough room at the end, we start waiting for
362  * each sub object until we reach object_offset+object_size >=
363  * alloc_size, this object then become the sub object we return.
364  *
365  * Alignment can't be bigger than page size.
366  *
367  * Hole are not considered for allocation to keep things simple.
368  * Assumption is that there won't be hole (all object on same
369  * alignment).
370  */
371 
372 #define AMDGPU_SA_NUM_FENCE_LISTS	32
373 
374 struct amdgpu_sa_manager {
375 	spinlock_t		wq_lock;
376 	drm_waitqueue_t		wq;
377 	struct amdgpu_bo	*bo;
378 	struct list_head	*hole;
379 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
380 	struct list_head	olist;
381 	unsigned		size;
382 	uint64_t		gpu_addr;
383 	void			*cpu_ptr;
384 	uint32_t		domain;
385 	uint32_t		align;
386 };
387 
388 /* sub-allocation buffer */
389 struct amdgpu_sa_bo {
390 	struct list_head		olist;
391 	struct list_head		flist;
392 	struct amdgpu_sa_manager	*manager;
393 	unsigned			soffset;
394 	unsigned			eoffset;
395 	struct dma_fence	        *fence;
396 };
397 
398 int amdgpu_fence_slab_init(void);
399 void amdgpu_fence_slab_fini(void);
400 
401 /*
402  * IRQS.
403  */
404 
405 struct amdgpu_flip_work {
406 	struct delayed_work		flip_work;
407 	struct work_struct		unpin_work;
408 	struct amdgpu_device		*adev;
409 	int				crtc_id;
410 	u32				target_vblank;
411 	uint64_t			base;
412 	struct drm_pending_vblank_event *event;
413 	struct amdgpu_bo		*old_abo;
414 	struct dma_fence		*excl;
415 	unsigned			shared_count;
416 	struct dma_fence		**shared;
417 	struct dma_fence_cb		cb;
418 	bool				async;
419 };
420 
421 
422 /*
423  * CP & rings.
424  */
425 
426 struct amdgpu_ib {
427 	struct amdgpu_sa_bo		*sa_bo;
428 	uint32_t			length_dw;
429 	uint64_t			gpu_addr;
430 	uint32_t			*ptr;
431 	uint32_t			flags;
432 };
433 
434 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
435 
436 /*
437  * file private structure
438  */
439 
440 struct amdgpu_fpriv {
441 	struct amdgpu_vm	vm;
442 	struct amdgpu_bo_va	*prt_va;
443 	struct amdgpu_bo_va	*csa_va;
444 	struct mutex		bo_list_lock;
445 	struct idr		bo_list_handles;
446 	struct amdgpu_ctx_mgr	ctx_mgr;
447 };
448 
449 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
450 
451 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
452 		  unsigned size, struct amdgpu_ib *ib);
453 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
454 		    struct dma_fence *f);
455 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
456 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
457 		       struct dma_fence **f);
458 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
459 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
460 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
461 
462 /*
463  * CS.
464  */
465 struct amdgpu_cs_chunk {
466 	uint32_t		chunk_id;
467 	uint32_t		length_dw;
468 	void			*kdata;
469 };
470 
471 struct amdgpu_cs_post_dep {
472 	struct drm_syncobj *syncobj;
473 	struct dma_fence_chain *chain;
474 	u64 point;
475 };
476 
477 struct amdgpu_cs_parser {
478 	struct amdgpu_device	*adev;
479 	struct drm_file		*filp;
480 	struct amdgpu_ctx	*ctx;
481 
482 	/* chunks */
483 	unsigned		nchunks;
484 	struct amdgpu_cs_chunk	*chunks;
485 
486 	/* scheduler job object */
487 	struct amdgpu_job	*job;
488 	struct drm_sched_entity	*entity;
489 
490 	/* buffer objects */
491 	struct ww_acquire_ctx		ticket;
492 	struct amdgpu_bo_list		*bo_list;
493 	struct amdgpu_mn		*mn;
494 	struct amdgpu_bo_list_entry	vm_pd;
495 	struct list_head		validated;
496 	struct dma_fence		*fence;
497 	uint64_t			bytes_moved_threshold;
498 	uint64_t			bytes_moved_vis_threshold;
499 	uint64_t			bytes_moved;
500 	uint64_t			bytes_moved_vis;
501 
502 	/* user fence */
503 	struct amdgpu_bo_list_entry	uf_entry;
504 
505 	unsigned			num_post_deps;
506 	struct amdgpu_cs_post_dep	*post_deps;
507 };
508 
amdgpu_get_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx)509 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
510 				      uint32_t ib_idx, int idx)
511 {
512 	return p->job->ibs[ib_idx].ptr[idx];
513 }
514 
amdgpu_set_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx,uint32_t value)515 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
516 				       uint32_t ib_idx, int idx,
517 				       uint32_t value)
518 {
519 	p->job->ibs[ib_idx].ptr[idx] = value;
520 }
521 
522 /*
523  * Writeback
524  */
525 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
526 
527 struct amdgpu_wb {
528 	struct amdgpu_bo	*wb_obj;
529 	volatile uint32_t	*wb;
530 	uint64_t		gpu_addr;
531 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
532 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, NBBY*sizeof(unsigned long))];
533 };
534 
535 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
536 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
537 
538 /*
539  * Benchmarking
540  */
541 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
542 
543 
544 /*
545  * Testing
546  */
547 void amdgpu_test_moves(struct amdgpu_device *adev);
548 
549 /*
550  * ASIC specific register table accessible by UMD
551  */
552 struct amdgpu_allowed_register_entry {
553 	uint32_t reg_offset;
554 	bool grbm_indexed;
555 };
556 
557 enum amd_reset_method {
558 	AMD_RESET_METHOD_LEGACY = 0,
559 	AMD_RESET_METHOD_MODE0,
560 	AMD_RESET_METHOD_MODE1,
561 	AMD_RESET_METHOD_MODE2,
562 	AMD_RESET_METHOD_BACO
563 };
564 
565 /*
566  * ASIC specific functions.
567  */
568 struct amdgpu_asic_funcs {
569 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
570 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
571 				   u8 *bios, u32 length_bytes);
572 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
573 			     u32 sh_num, u32 reg_offset, u32 *value);
574 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
575 	int (*reset)(struct amdgpu_device *adev);
576 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
577 	/* get the reference clock */
578 	u32 (*get_xclk)(struct amdgpu_device *adev);
579 	/* MM block clocks */
580 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
581 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
582 	/* static power management */
583 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
584 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
585 	/* get config memsize register */
586 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
587 	/* flush hdp write queue */
588 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
589 	/* invalidate hdp read cache */
590 	void (*invalidate_hdp)(struct amdgpu_device *adev,
591 			       struct amdgpu_ring *ring);
592 	/* check if the asic needs a full reset of if soft reset will work */
593 	bool (*need_full_reset)(struct amdgpu_device *adev);
594 	/* initialize doorbell layout for specific asic*/
595 	void (*init_doorbell_index)(struct amdgpu_device *adev);
596 	/* PCIe bandwidth usage */
597 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
598 			       uint64_t *count1);
599 	/* do we need to reset the asic at init time (e.g., kexec) */
600 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
601 	/* PCIe replay counter */
602 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
603 	/* device supports BACO */
604 	bool (*supports_baco)(struct amdgpu_device *adev);
605 };
606 
607 /*
608  * IOCTL.
609  */
610 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
611 				struct drm_file *filp);
612 
613 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
614 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
615 				    struct drm_file *filp);
616 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
617 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
618 				struct drm_file *filp);
619 
620 /* VRAM scratch page for HDP bug, default vram page */
621 struct amdgpu_vram_scratch {
622 	struct amdgpu_bo		*robj;
623 	volatile uint32_t		*ptr;
624 	u64				gpu_addr;
625 };
626 
627 /*
628  * ACPI
629  */
630 struct amdgpu_atcs_functions {
631 	bool get_ext_state;
632 	bool pcie_perf_req;
633 	bool pcie_dev_rdy;
634 	bool pcie_bus_width;
635 };
636 
637 struct amdgpu_atcs {
638 	struct amdgpu_atcs_functions functions;
639 };
640 
641 /*
642  * Firmware VRAM reservation
643  */
644 struct amdgpu_fw_vram_usage {
645 	u64 start_offset;
646 	u64 size;
647 	struct amdgpu_bo *reserved_bo;
648 	void *va;
649 
650 	/* GDDR6 training support flag.
651 	*/
652 	bool mem_train_support;
653 };
654 
655 /*
656  * CGS
657  */
658 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
659 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
660 
661 /*
662  * Core structure, functions and helpers.
663  */
664 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
665 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
666 
667 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
668 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
669 
670 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
671 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
672 
673 struct amdgpu_mmio_remap {
674 	u32 reg_offset;
675 	resource_size_t bus_addr;
676 };
677 
678 /* Define the HW IP blocks will be used in driver , add more if necessary */
679 enum amd_hw_ip_block_type {
680 	GC_HWIP = 1,
681 	HDP_HWIP,
682 	SDMA0_HWIP,
683 	SDMA1_HWIP,
684 	SDMA2_HWIP,
685 	SDMA3_HWIP,
686 	SDMA4_HWIP,
687 	SDMA5_HWIP,
688 	SDMA6_HWIP,
689 	SDMA7_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 	JPEG_HWIP = VCN_HWIP,
698 	VCE_HWIP,
699 	DF_HWIP,
700 	DCE_HWIP,
701 	OSSSYS_HWIP,
702 	SMUIO_HWIP,
703 	PWR_HWIP,
704 	NBIF_HWIP,
705 	THM_HWIP,
706 	CLK_HWIP,
707 	UMC_HWIP,
708 	RSMU_HWIP,
709 	MAX_HWIP
710 };
711 
712 #define HWIP_MAX_INSTANCE	8
713 
714 struct amd_powerplay {
715 	void *pp_handle;
716 	const struct amd_pm_funcs *pp_funcs;
717 };
718 
719 #define AMDGPU_RESET_MAGIC_NUM 64
720 #define AMDGPU_MAX_DF_PERFMONS 4
721 struct amdgpu_device {
722 	struct device			*dev;
723 	struct drm_device		*ddev;
724 	struct pci_dev			*pdev;
725 
726 #ifdef CONFIG_DRM_AMD_ACP
727 	struct amdgpu_acp		acp;
728 #endif
729 
730 	/* ASIC */
731 	enum amd_asic_type		asic_type;
732 	uint32_t			family;
733 	uint32_t			rev_id;
734 	uint32_t			external_rev_id;
735 	unsigned long			flags;
736 	int				usec_timeout;
737 	const struct amdgpu_asic_funcs	*asic_funcs;
738 	bool				shutdown;
739 	bool				need_swiotlb;
740 	bool				accel_working;
741 	struct notifier_block		acpi_nb;
742 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
743 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
744 	unsigned			debugfs_count;
745 #if defined(CONFIG_DEBUG_FS)
746 	struct dentry                   *debugfs_preempt;
747 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
748 #endif
749 	struct amdgpu_atif		*atif;
750 	struct amdgpu_atcs		atcs;
751 	struct mutex			srbm_mutex;
752 	/* GRBM index mutex. Protects concurrent access to GRBM index */
753 	struct mutex                    grbm_idx_mutex;
754 	struct dev_pm_domain		vga_pm_domain;
755 	bool				have_disp_power_ref;
756 	bool                            have_atomics_support;
757 
758 	/* BIOS */
759 	bool				is_atom_fw;
760 	uint8_t				*bios;
761 	uint32_t			bios_size;
762 	struct amdgpu_bo		*stolen_vga_memory;
763 	struct amdgpu_bo		*discovery_memory;
764 	uint32_t			bios_scratch_reg_offset;
765 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
766 
767 	/* Register/doorbell mmio */
768 #ifdef __NetBSD__
769 	bus_space_tag_t			rmmiot;
770 	bus_space_handle_t		rmmioh;
771 	bus_addr_t			rmmio_base;
772 	bus_size_t			rmmio_size;
773 #else
774 	resource_size_t			rmmio_base;
775 	resource_size_t			rmmio_size;
776 	void __iomem			*rmmio;
777 #endif
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 #ifdef __NetBSD__
814 	bus_space_tag_t			rio_memt;
815 	bus_space_handle_t		rio_memh;
816 	bus_size_t			rio_mem_size;
817 #else
818 	void __iomem                    *rio_mem;
819 	resource_size_t			rio_mem_size;
820 #endif
821 	struct amdgpu_doorbell		doorbell;
822 
823 	/* clock/pll info */
824 	struct amdgpu_clock            clock;
825 
826 	/* MC */
827 	struct amdgpu_gmc		gmc;
828 	struct amdgpu_gart		gart;
829 #ifdef __NetBSD__
830 	bus_dma_segment_t		dummy_page_seg;
831 	bus_dmamap_t			dummy_page_map;
832 #endif
833 	dma_addr_t			dummy_page_addr;
834 	struct amdgpu_vm_manager	vm_manager;
835 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
836 	unsigned			num_vmhubs;
837 
838 	/* memory management */
839 	struct amdgpu_mman		mman;
840 	struct amdgpu_vram_scratch	vram_scratch;
841 	struct amdgpu_wb		wb;
842 	atomic64_t			num_bytes_moved;
843 	atomic64_t			num_evictions;
844 	atomic64_t			num_vram_cpu_page_faults;
845 	atomic_t			gpu_reset_counter;
846 	atomic_t			vram_lost_counter;
847 
848 	/* data for buffer migration throttling */
849 	struct {
850 		spinlock_t		lock;
851 		s64			last_update_us;
852 		s64			accum_us; /* accumulated microseconds */
853 		s64			accum_us_vis; /* for visible VRAM */
854 		u32			log2_max_MBps;
855 	} mm_stats;
856 
857 	/* display */
858 	bool				enable_virtual_display;
859 	struct amdgpu_mode_info		mode_info;
860 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
861 	struct work_struct		hotplug_work;
862 	struct amdgpu_irq_src		crtc_irq;
863 	struct amdgpu_irq_src		vupdate_irq;
864 	struct amdgpu_irq_src		pageflip_irq;
865 	struct amdgpu_irq_src		hpd_irq;
866 
867 	/* rings */
868 	u64				fence_context;
869 	unsigned			num_rings;
870 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
871 	bool				ib_pool_ready;
872 	struct amdgpu_sa_manager	ring_tmp_bo;
873 
874 	/* interrupts */
875 	struct amdgpu_irq		irq;
876 
877 	/* powerplay */
878 	struct amd_powerplay		powerplay;
879 	bool				pp_force_state_enabled;
880 
881 	/* smu */
882 	struct smu_context		smu;
883 
884 	/* dpm */
885 	struct amdgpu_pm		pm;
886 	u32				cg_flags;
887 	u32				pg_flags;
888 
889 	/* nbio */
890 	struct amdgpu_nbio		nbio;
891 
892 	/* mmhub */
893 	struct amdgpu_mmhub		mmhub;
894 
895 	/* gfx */
896 	struct amdgpu_gfx		gfx;
897 
898 	/* sdma */
899 	struct amdgpu_sdma		sdma;
900 
901 	/* uvd */
902 	struct amdgpu_uvd		uvd;
903 
904 	/* vce */
905 	struct amdgpu_vce		vce;
906 
907 	/* vcn */
908 	struct amdgpu_vcn		vcn;
909 
910 	/* jpeg */
911 	struct amdgpu_jpeg		jpeg;
912 
913 	/* firmwares */
914 	struct amdgpu_firmware		firmware;
915 
916 	/* PSP */
917 	struct psp_context		psp;
918 
919 	/* GDS */
920 	struct amdgpu_gds		gds;
921 
922 	/* KFD */
923 	struct amdgpu_kfd_dev		kfd;
924 
925 	/* UMC */
926 	struct amdgpu_umc		umc;
927 
928 	/* display related functionality */
929 	struct amdgpu_display_manager dm;
930 
931 	/* discovery */
932 	uint8_t				*discovery;
933 
934 	/* mes */
935 	bool                            enable_mes;
936 	struct amdgpu_mes               mes;
937 
938 	/* df */
939 	struct amdgpu_df                df;
940 
941 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
942 	int				num_ip_blocks;
943 	struct mutex	mn_lock;
944 	DECLARE_HASHTABLE(mn_hash, 7);
945 
946 	/* tracking pinned memory */
947 	atomic64_t vram_pin_size;
948 	atomic64_t visible_pin_size;
949 	atomic64_t gart_pin_size;
950 
951 	/* soc15 register offset based on ip, instance and  segment */
952 	const uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
953 
954 	/* delayed work_func for deferring clockgating during resume */
955 	struct delayed_work     delayed_init_work;
956 
957 	struct amdgpu_virt	virt;
958 	/* firmware VRAM reservation */
959 	struct amdgpu_fw_vram_usage fw_vram_usage;
960 
961 	/* link all shadow bo */
962 	struct list_head                shadow_list;
963 	struct mutex                    shadow_list_lock;
964 	/* keep an lru list of rings by HW IP */
965 	struct list_head		ring_lru_list;
966 	spinlock_t			ring_lru_list_lock;
967 
968 	/* record hw reset is performed */
969 	bool has_hw_reset;
970 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
971 
972 	/* s3/s4 mask */
973 	bool                            in_suspend;
974 
975 	/* record last mm index being written through WREG32*/
976 	unsigned long last_mm_index;
977 	bool                            in_gpu_reset;
978 	enum pp_mp1_state               mp1_state;
979 	struct mutex  lock_reset;
980 	struct amdgpu_doorbell_index doorbell_index;
981 
982 	struct mutex			notifier_lock;
983 
984 	int asic_reset_res;
985 	struct work_struct		xgmi_reset_work;
986 
987 	long				gfx_timeout;
988 	long				sdma_timeout;
989 	long				video_timeout;
990 	long				compute_timeout;
991 
992 	uint64_t			unique_id;
993 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
994 
995 	/* device pstate */
996 	int				pstate;
997 	/* enable runtime pm on the device */
998 	bool                            runpm;
999 
1000 	bool                            pm_sysfs_en;
1001 	bool                            ucode_sysfs_en;
1002 };
1003 
amdgpu_ttm_adev(struct ttm_bo_device * bdev)1004 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1005 {
1006 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1007 }
1008 
1009 int amdgpu_device_init(struct amdgpu_device *adev,
1010 		       struct drm_device *ddev,
1011 		       struct pci_dev *pdev,
1012 		       uint32_t flags);
1013 void amdgpu_device_fini(struct amdgpu_device *adev);
1014 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1015 
1016 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1017 			       uint32_t *buf, size_t size, bool write);
1018 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1019 			uint32_t acc_flags);
1020 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1021 		    uint32_t acc_flags);
1022 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1023 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1024 
1025 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1026 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1027 
1028 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1029 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1030 
1031 int emu_soc_asic_init(struct amdgpu_device *adev);
1032 
1033 /*
1034  * Registers read & write functions.
1035  */
1036 
1037 #define AMDGPU_REGS_IDX       (1<<0)
1038 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1039 #define AMDGPU_REGS_KIQ       (1<<2)
1040 
1041 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1042 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1043 
1044 #define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ)
1045 #define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ)
1046 
1047 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1048 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1049 
1050 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1051 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1052 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1053 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1054 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1055 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1056 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1057 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1058 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1059 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1060 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1061 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1062 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1063 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1064 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1065 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1066 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1067 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1068 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1069 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1070 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1071 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1072 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1073 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1074 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1075 #define WREG32_P(reg, val, mask)				\
1076 	do {							\
1077 		uint32_t tmp_ = RREG32(reg);			\
1078 		tmp_ &= (mask);					\
1079 		tmp_ |= ((val) & ~(mask));			\
1080 		WREG32(reg, tmp_);				\
1081 	} while (0)
1082 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1083 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1084 #define WREG32_PLL_P(reg, val, mask)				\
1085 	do {							\
1086 		uint32_t tmp_ = RREG32_PLL(reg);		\
1087 		tmp_ &= (mask);					\
1088 		tmp_ |= ((val) & ~(mask));			\
1089 		WREG32_PLL(reg, tmp_);				\
1090 	} while (0)
1091 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1092 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1093 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1094 
1095 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1096 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1097 
1098 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1099 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1100 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1101 
1102 #define REG_GET_FIELD(value, reg, field)				\
1103 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1104 
1105 #define WREG32_FIELD(reg, field, val)	\
1106 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1107 
1108 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1109 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1110 
1111 /*
1112  * BIOS helpers.
1113  */
1114 #define RBIOS8(i) (adev->bios[i])
1115 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1116 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1117 
1118 /*
1119  * ASICs macro.
1120  */
1121 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1122 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1123 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1124 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1125 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1126 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1127 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1128 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1129 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1130 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1131 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1132 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1133 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1134 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1135 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1136 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1137 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1138 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1139 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1140 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1141 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1142 
1143 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1144 
1145 /* Common functions */
1146 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1147 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1148 			      struct amdgpu_job* job);
1149 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1150 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1151 
1152 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1153 				  u64 num_vis_bytes);
1154 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1155 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1156 					     const u32 *registers,
1157 					     const u32 array_size);
1158 int amdgpu_ttm_init(struct amdgpu_device *adev);
1159 void amdgpu_ttm_fini(struct amdgpu_device *adev);
1160 
1161 bool amdgpu_device_supports_boco(struct drm_device *dev);
1162 bool amdgpu_device_supports_baco(struct drm_device *dev);
1163 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1164 				      struct amdgpu_device *peer_adev);
1165 int amdgpu_device_baco_enter(struct drm_device *dev);
1166 int amdgpu_device_baco_exit(struct drm_device *dev);
1167 
1168 /* atpx handler */
1169 #if defined(CONFIG_VGA_SWITCHEROO)
1170 void amdgpu_register_atpx_handler(void);
1171 void amdgpu_unregister_atpx_handler(void);
1172 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1173 bool amdgpu_is_atpx_hybrid(void);
1174 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1175 bool amdgpu_has_atpx(void);
1176 #else
amdgpu_register_atpx_handler(void)1177 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1178 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1179 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1180 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_atpx_dgpu_req_power_for_displays(void)1181 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
amdgpu_has_atpx(void)1182 static inline bool amdgpu_has_atpx(void) { return false; }
1183 #endif
1184 
1185 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1186 void *amdgpu_atpx_get_dhandle(void);
1187 #else
amdgpu_atpx_get_dhandle(void)1188 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1189 #endif
1190 
1191 /*
1192  * KMS
1193  */
1194 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1195 extern const int amdgpu_max_kms_ioctl;
1196 
1197 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1198 void amdgpu_driver_unload_kms(struct drm_device *dev);
1199 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1200 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1201 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1202 				 struct drm_file *file_priv);
1203 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1204 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1205 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1206 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1207 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1208 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1209 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1210 			     unsigned long arg);
1211 
1212 /*
1213  * functions used by amdgpu_encoder.c
1214  */
1215 struct amdgpu_afmt_acr {
1216 	u32 clock;
1217 
1218 	int n_32khz;
1219 	int cts_32khz;
1220 
1221 	int n_44_1khz;
1222 	int cts_44_1khz;
1223 
1224 	int n_48khz;
1225 	int cts_48khz;
1226 
1227 };
1228 
1229 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1230 
1231 /* amdgpu_acpi.c */
1232 #if defined(CONFIG_ACPI)
1233 int amdgpu_acpi_init(struct amdgpu_device *adev);
1234 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1235 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1236 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1237 						u8 perf_req, bool advertise);
1238 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1239 
1240 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1241 		struct amdgpu_dm_backlight_caps *caps);
1242 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1243 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_fini(struct amdgpu_device * adev)1244 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1245 #endif
1246 
1247 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1248 			   uint64_t addr, struct amdgpu_bo **bo,
1249 			   struct amdgpu_bo_va_mapping **mapping);
1250 
1251 #if defined(CONFIG_DRM_AMD_DC)
1252 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1253 #else
amdgpu_dm_display_resume(struct amdgpu_device * adev)1254 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1255 #endif
1256 
1257 
1258 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1259 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1260 
1261 #include "amdgpu_object.h"
1262 
1263 #ifdef __NetBSD__	       /* XXX amdgpu sysfs */
1264 #define	AMDGPU_PMU_ATTR(_name, _object) CTASSERT(1)
1265 #else
1266 /* used by df_v3_6.c and amdgpu_pmu.c */
1267 #define AMDGPU_PMU_ATTR(_name, _object)					\
1268 static ssize_t								\
1269 _name##_show(struct device *dev,					\
1270 			       struct device_attribute *attr,		\
1271 			       char *page)				\
1272 {									\
1273 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1274 	return sprintf(page, _object "\n");				\
1275 }									\
1276 									\
1277 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1278 #endif
1279 
1280 #endif
1281 
1282