1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __AMDGPU_H__
29 #define __AMDGPU_H__
30 
31 #include "amdgpu_ctx.h"
32 
33 #include <linux/atomic.h>
34 #include <linux/wait.h>
35 #include <linux/list.h>
36 #include <linux/kref.h>
37 #include <linux/rbtree.h>
38 #include <linux/hashtable.h>
39 #include <linux/dma-fence.h>
40 
41 #include <drm/ttm/ttm_bo_api.h>
42 #include <drm/ttm/ttm_bo_driver.h>
43 #include <drm/ttm/ttm_placement.h>
44 #include <drm/ttm/ttm_module.h>
45 #include <drm/ttm/ttm_execbuf_util.h>
46 
47 #include <drm/amdgpu_drm.h>
48 #include <drm/drm_gem.h>
49 #include <drm/drm_ioctl.h>
50 #include <drm/gpu_scheduler.h>
51 
52 #include <kgd_kfd_interface.h>
53 #include "dm_pp_interface.h"
54 #include "kgd_pp_interface.h"
55 
56 #include "amd_shared.h"
57 #include "amdgpu_mode.h"
58 #include "amdgpu_ih.h"
59 #include "amdgpu_irq.h"
60 #include "amdgpu_ucode.h"
61 #include "amdgpu_ttm.h"
62 #include "amdgpu_psp.h"
63 #include "amdgpu_gds.h"
64 #include "amdgpu_sync.h"
65 #include "amdgpu_ring.h"
66 #include "amdgpu_vm.h"
67 #include "amdgpu_dpm.h"
68 #include "amdgpu_acp.h"
69 #include "amdgpu_uvd.h"
70 #include "amdgpu_vce.h"
71 #include "amdgpu_vcn.h"
72 #include "amdgpu_mn.h"
73 #include "amdgpu_gmc.h"
74 #include "amdgpu_gfx.h"
75 #include "amdgpu_sdma.h"
76 #include "amdgpu_dm.h"
77 #include "amdgpu_virt.h"
78 #include "amdgpu_csa.h"
79 #include "amdgpu_gart.h"
80 #include "amdgpu_debugfs.h"
81 #include "amdgpu_job.h"
82 #include "amdgpu_bo_list.h"
83 #include "amdgpu_gem.h"
84 #include "amdgpu_doorbell.h"
85 #include "amdgpu_amdkfd.h"
86 #include "amdgpu_smu.h"
87 #include "amdgpu_discovery.h"
88 #include "amdgpu_mes.h"
89 #include "amdgpu_umc.h"
90 #include "amdgpu_mmhub.h"
91 
92 #define MAX_GPU_INSTANCE		16
93 
94 struct amdgpu_gpu_instance
95 {
96 	struct amdgpu_device		*adev;
97 	int				mgpu_fan_enabled;
98 };
99 
100 struct amdgpu_mgpu_info
101 {
102 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
103 	struct mutex			mutex;
104 	uint32_t			num_gpu;
105 	uint32_t			num_dgpu;
106 	uint32_t			num_apu;
107 };
108 
109 /*
110  * Modules parameters.
111  */
112 extern int amdgpu_modeset;
113 extern int amdgpu_vram_limit;
114 extern int amdgpu_vis_vram_limit;
115 extern int amdgpu_gart_size;
116 extern int amdgpu_gtt_size;
117 extern int amdgpu_moverate;
118 extern int amdgpu_benchmarking;
119 extern int amdgpu_testing;
120 extern int amdgpu_audio;
121 extern int amdgpu_disp_priority;
122 extern int amdgpu_hw_i2c;
123 extern int amdgpu_pcie_gen2;
124 extern int amdgpu_msi;
125 extern int amdgpu_dpm;
126 extern int amdgpu_fw_load_type;
127 extern int amdgpu_aspm;
128 extern int amdgpu_runtime_pm;
129 extern uint amdgpu_ip_block_mask;
130 extern int amdgpu_bapm;
131 extern int amdgpu_deep_color;
132 extern int amdgpu_vm_size;
133 extern int amdgpu_vm_block_size;
134 extern int amdgpu_vm_fragment_size;
135 extern int amdgpu_vm_fault_stop;
136 extern int amdgpu_vm_debug;
137 extern int amdgpu_vm_update_mode;
138 extern int amdgpu_dc;
139 extern int amdgpu_sched_jobs;
140 extern int amdgpu_sched_hw_submission;
141 extern uint amdgpu_pcie_gen_cap;
142 extern uint amdgpu_pcie_lane_cap;
143 extern uint amdgpu_cg_mask;
144 extern uint amdgpu_pg_mask;
145 extern uint amdgpu_sdma_phase_quantum;
146 extern char *amdgpu_disable_cu;
147 extern char *amdgpu_virtual_display;
148 extern uint amdgpu_pp_feature_mask;
149 extern int amdgpu_ngg;
150 extern int amdgpu_prim_buf_per_se;
151 extern int amdgpu_pos_buf_per_se;
152 extern int amdgpu_cntl_sb_buf_per_se;
153 extern int amdgpu_param_buf_per_se;
154 extern int amdgpu_job_hang_limit;
155 extern int amdgpu_lbpw;
156 extern int amdgpu_compute_multipipe;
157 extern int amdgpu_gpu_recovery;
158 extern int amdgpu_emu_mode;
159 extern uint amdgpu_smu_memory_pool_size;
160 extern uint amdgpu_dc_feature_mask;
161 extern uint amdgpu_dm_abm_level;
162 extern struct amdgpu_mgpu_info mgpu_info;
163 extern int amdgpu_ras_enable;
164 extern uint amdgpu_ras_mask;
165 extern int amdgpu_async_gfx_ring;
166 extern int amdgpu_mcbp;
167 extern int amdgpu_discovery;
168 extern int amdgpu_mes;
169 extern int amdgpu_noretry;
170 
171 #ifdef CONFIG_DRM_AMDGPU_SI
172 extern int amdgpu_si_support;
173 #endif
174 #ifdef CONFIG_DRM_AMDGPU_CIK
175 extern int amdgpu_cik_support;
176 #endif
177 
178 #define AMDGPU_VM_MAX_NUM_CTX			4096
179 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
180 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
181 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
182 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
183 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
184 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
185 #define AMDGPU_IB_POOL_SIZE			16
186 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
187 #define AMDGPUFB_CONN_LIMIT			4
188 #define AMDGPU_BIOS_NUM_SCRATCH			16
189 
190 /* hard reset data */
191 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
192 
193 /* reset flags */
194 #define AMDGPU_RESET_GFX			(1 << 0)
195 #define AMDGPU_RESET_COMPUTE			(1 << 1)
196 #define AMDGPU_RESET_DMA			(1 << 2)
197 #define AMDGPU_RESET_CP				(1 << 3)
198 #define AMDGPU_RESET_GRBM			(1 << 4)
199 #define AMDGPU_RESET_DMA1			(1 << 5)
200 #define AMDGPU_RESET_RLC			(1 << 6)
201 #define AMDGPU_RESET_SEM			(1 << 7)
202 #define AMDGPU_RESET_IH				(1 << 8)
203 #define AMDGPU_RESET_VMC			(1 << 9)
204 #define AMDGPU_RESET_MC				(1 << 10)
205 #define AMDGPU_RESET_DISPLAY			(1 << 11)
206 #define AMDGPU_RESET_UVD			(1 << 12)
207 #define AMDGPU_RESET_VCE			(1 << 13)
208 #define AMDGPU_RESET_VCE1			(1 << 14)
209 
210 /* max cursor sizes (in pixels) */
211 #define CIK_CURSOR_WIDTH 128
212 #define CIK_CURSOR_HEIGHT 128
213 
214 struct amdgpu_device;
215 struct amdgpu_ib;
216 struct amdgpu_cs_parser;
217 struct amdgpu_job;
218 struct amdgpu_irq_src;
219 struct amdgpu_fpriv;
220 struct amdgpu_bo_va_mapping;
221 struct amdgpu_atif;
222 struct kfd_vm_fault_info;
223 
224 enum amdgpu_cp_irq {
225 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
226 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
227 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
228 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
229 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
230 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
231 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
232 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
233 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
234 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
235 
236 	AMDGPU_CP_IRQ_LAST
237 };
238 
239 enum amdgpu_thermal_irq {
240 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
241 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
242 
243 	AMDGPU_THERMAL_IRQ_LAST
244 };
245 
246 enum amdgpu_kiq_irq {
247 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
248 	AMDGPU_CP_KIQ_IRQ_LAST
249 };
250 
251 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
252 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
253 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
254 
255 int amdgpu_device_ip_set_clockgating_state(void *dev,
256 					   enum amd_ip_block_type block_type,
257 					   enum amd_clockgating_state state);
258 int amdgpu_device_ip_set_powergating_state(void *dev,
259 					   enum amd_ip_block_type block_type,
260 					   enum amd_powergating_state state);
261 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
262 					    u32 *flags);
263 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
264 				   enum amd_ip_block_type block_type);
265 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
266 			      enum amd_ip_block_type block_type);
267 
268 #define AMDGPU_MAX_IP_NUM 16
269 
270 struct amdgpu_ip_block_status {
271 	bool valid;
272 	bool sw;
273 	bool hw;
274 	bool late_initialized;
275 	bool hang;
276 };
277 
278 struct amdgpu_ip_block_version {
279 	const enum amd_ip_block_type type;
280 	const u32 major;
281 	const u32 minor;
282 	const u32 rev;
283 	const struct amd_ip_funcs *funcs;
284 };
285 
286 struct amdgpu_ip_block {
287 	struct amdgpu_ip_block_status status;
288 	const struct amdgpu_ip_block_version *version;
289 };
290 
291 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
292 				       enum amd_ip_block_type type,
293 				       u32 major, u32 minor);
294 
295 struct amdgpu_ip_block *
296 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
297 			      enum amd_ip_block_type type);
298 
299 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
300 			       const struct amdgpu_ip_block_version *ip_block_version);
301 
302 /*
303  * BIOS.
304  */
305 bool amdgpu_get_bios(struct amdgpu_device *adev);
306 bool amdgpu_read_bios(struct amdgpu_device *adev);
307 
308 /*
309  * Clocks
310  */
311 
312 #define AMDGPU_MAX_PPLL 3
313 
314 struct amdgpu_clock {
315 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
316 	struct amdgpu_pll spll;
317 	struct amdgpu_pll mpll;
318 	/* 10 Khz units */
319 	uint32_t default_mclk;
320 	uint32_t default_sclk;
321 	uint32_t default_dispclk;
322 	uint32_t current_dispclk;
323 	uint32_t dp_extclk;
324 	uint32_t max_pixel_clock;
325 };
326 
327 /* sub-allocation manager, it has to be protected by another lock.
328  * By conception this is an helper for other part of the driver
329  * like the indirect buffer or semaphore, which both have their
330  * locking.
331  *
332  * Principe is simple, we keep a list of sub allocation in offset
333  * order (first entry has offset == 0, last entry has the highest
334  * offset).
335  *
336  * When allocating new object we first check if there is room at
337  * the end total_size - (last_object_offset + last_object_size) >=
338  * alloc_size. If so we allocate new object there.
339  *
340  * When there is not enough room at the end, we start waiting for
341  * each sub object until we reach object_offset+object_size >=
342  * alloc_size, this object then become the sub object we return.
343  *
344  * Alignment can't be bigger than page size.
345  *
346  * Hole are not considered for allocation to keep things simple.
347  * Assumption is that there won't be hole (all object on same
348  * alignment).
349  */
350 
351 #define AMDGPU_SA_NUM_FENCE_LISTS	32
352 
353 struct amdgpu_sa_manager {
354 	wait_queue_head_t	wq;
355 	struct amdgpu_bo	*bo;
356 	struct list_head	*hole;
357 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
358 	struct list_head	olist;
359 	unsigned		size;
360 	uint64_t		gpu_addr;
361 	void			*cpu_ptr;
362 	uint32_t		domain;
363 	uint32_t		align;
364 };
365 
366 /* sub-allocation buffer */
367 struct amdgpu_sa_bo {
368 	struct list_head		olist;
369 	struct list_head		flist;
370 	struct amdgpu_sa_manager	*manager;
371 	unsigned			soffset;
372 	unsigned			eoffset;
373 	struct dma_fence	        *fence;
374 };
375 
376 int amdgpu_fence_slab_init(void);
377 void amdgpu_fence_slab_fini(void);
378 
379 /*
380  * IRQS.
381  */
382 
383 struct amdgpu_flip_work {
384 	struct delayed_work		flip_work;
385 	struct work_struct		unpin_work;
386 	struct amdgpu_device		*adev;
387 	int				crtc_id;
388 	u32				target_vblank;
389 	uint64_t			base;
390 	struct drm_pending_vblank_event *event;
391 	struct amdgpu_bo		*old_abo;
392 	struct dma_fence		*excl;
393 	unsigned			shared_count;
394 	struct dma_fence		**shared;
395 	struct dma_fence_cb		cb;
396 	bool				async;
397 };
398 
399 
400 /*
401  * CP & rings.
402  */
403 
404 struct amdgpu_ib {
405 	struct amdgpu_sa_bo		*sa_bo;
406 	uint32_t			length_dw;
407 	uint64_t			gpu_addr;
408 	uint32_t			*ptr;
409 	uint32_t			flags;
410 };
411 
412 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
413 
414 /*
415  * file private structure
416  */
417 
418 struct amdgpu_fpriv {
419 	struct amdgpu_vm	vm;
420 	struct amdgpu_bo_va	*prt_va;
421 	struct amdgpu_bo_va	*csa_va;
422 	struct mutex		bo_list_lock;
423 	struct idr		bo_list_handles;
424 	struct amdgpu_ctx_mgr	ctx_mgr;
425 };
426 
427 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
428 int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev);
429 
430 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
431 		  unsigned size, struct amdgpu_ib *ib);
432 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
433 		    struct dma_fence *f);
434 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
435 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
436 		       struct dma_fence **f);
437 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
438 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
439 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
440 
441 /*
442  * CS.
443  */
444 struct amdgpu_cs_chunk {
445 	uint32_t		chunk_id;
446 	uint32_t		length_dw;
447 	void			*kdata;
448 };
449 
450 struct amdgpu_cs_post_dep {
451 	struct drm_syncobj *syncobj;
452 	struct dma_fence_chain *chain;
453 	u64 point;
454 };
455 
456 struct amdgpu_cs_parser {
457 	struct amdgpu_device	*adev;
458 	struct drm_file		*filp;
459 	struct amdgpu_ctx	*ctx;
460 
461 	/* chunks */
462 	unsigned		nchunks;
463 	struct amdgpu_cs_chunk	*chunks;
464 
465 	/* scheduler job object */
466 	struct amdgpu_job	*job;
467 	struct drm_sched_entity	*entity;
468 
469 	/* buffer objects */
470 	struct ww_acquire_ctx		ticket;
471 	struct amdgpu_bo_list		*bo_list;
472 	struct amdgpu_mn		*mn;
473 	struct amdgpu_bo_list_entry	vm_pd;
474 	struct list_head		validated;
475 	struct dma_fence		*fence;
476 	uint64_t			bytes_moved_threshold;
477 	uint64_t			bytes_moved_vis_threshold;
478 	uint64_t			bytes_moved;
479 	uint64_t			bytes_moved_vis;
480 	struct amdgpu_bo_list_entry	*evictable;
481 
482 	/* user fence */
483 	struct amdgpu_bo_list_entry	uf_entry;
484 
485 	unsigned			num_post_deps;
486 	struct amdgpu_cs_post_dep	*post_deps;
487 };
488 
amdgpu_get_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx)489 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
490 				      uint32_t ib_idx, int idx)
491 {
492 	return p->job->ibs[ib_idx].ptr[idx];
493 }
494 
amdgpu_set_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx,uint32_t value)495 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
496 				       uint32_t ib_idx, int idx,
497 				       uint32_t value)
498 {
499 	p->job->ibs[ib_idx].ptr[idx] = value;
500 }
501 
502 /*
503  * Writeback
504  */
505 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
506 
507 struct amdgpu_wb {
508 	struct amdgpu_bo	*wb_obj;
509 	volatile uint32_t	*wb;
510 	uint64_t		gpu_addr;
511 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
512 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
513 };
514 
515 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
516 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
517 
518 /*
519  * Benchmarking
520  */
521 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
522 
523 
524 /*
525  * Testing
526  */
527 void amdgpu_test_moves(struct amdgpu_device *adev);
528 
529 /*
530  * ASIC specific register table accessible by UMD
531  */
532 struct amdgpu_allowed_register_entry {
533 	uint32_t reg_offset;
534 	bool grbm_indexed;
535 };
536 
537 enum amd_reset_method {
538 	AMD_RESET_METHOD_LEGACY = 0,
539 	AMD_RESET_METHOD_MODE0,
540 	AMD_RESET_METHOD_MODE1,
541 	AMD_RESET_METHOD_MODE2,
542 	AMD_RESET_METHOD_BACO
543 };
544 
545 /*
546  * ASIC specific functions.
547  */
548 struct amdgpu_asic_funcs {
549 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
550 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
551 				   u8 *bios, u32 length_bytes);
552 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
553 			     u32 sh_num, u32 reg_offset, u32 *value);
554 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
555 	int (*reset)(struct amdgpu_device *adev);
556 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
557 	/* get the reference clock */
558 	u32 (*get_xclk)(struct amdgpu_device *adev);
559 	/* MM block clocks */
560 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
561 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
562 	/* static power management */
563 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
564 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
565 	/* get config memsize register */
566 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
567 	/* flush hdp write queue */
568 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
569 	/* invalidate hdp read cache */
570 	void (*invalidate_hdp)(struct amdgpu_device *adev,
571 			       struct amdgpu_ring *ring);
572 	/* check if the asic needs a full reset of if soft reset will work */
573 	bool (*need_full_reset)(struct amdgpu_device *adev);
574 	/* initialize doorbell layout for specific asic*/
575 	void (*init_doorbell_index)(struct amdgpu_device *adev);
576 	/* PCIe bandwidth usage */
577 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
578 			       uint64_t *count1);
579 	/* do we need to reset the asic at init time (e.g., kexec) */
580 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
581 	/* PCIe replay counter */
582 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
583 };
584 
585 /*
586  * IOCTL.
587  */
588 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
589 				struct drm_file *filp);
590 
591 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
592 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
593 				    struct drm_file *filp);
594 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
595 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
596 				struct drm_file *filp);
597 
598 /* VRAM scratch page for HDP bug, default vram page */
599 struct amdgpu_vram_scratch {
600 	struct amdgpu_bo		*robj;
601 	volatile uint32_t		*ptr;
602 	u64				gpu_addr;
603 };
604 
605 /*
606  * ACPI
607  */
608 struct amdgpu_atcs_functions {
609 	bool get_ext_state;
610 	bool pcie_perf_req;
611 	bool pcie_dev_rdy;
612 	bool pcie_bus_width;
613 };
614 
615 struct amdgpu_atcs {
616 	struct amdgpu_atcs_functions functions;
617 };
618 
619 /*
620  * Firmware VRAM reservation
621  */
622 struct amdgpu_fw_vram_usage {
623 	u64 start_offset;
624 	u64 size;
625 	struct amdgpu_bo *reserved_bo;
626 	void *va;
627 };
628 
629 /*
630  * CGS
631  */
632 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
633 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
634 
635 /*
636  * Core structure, functions and helpers.
637  */
638 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
639 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
640 
641 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
642 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
643 
644 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
645 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
646 
647 
648 /*
649  * amdgpu nbio functions
650  *
651  */
652 struct nbio_hdp_flush_reg {
653 	u32 ref_and_mask_cp0;
654 	u32 ref_and_mask_cp1;
655 	u32 ref_and_mask_cp2;
656 	u32 ref_and_mask_cp3;
657 	u32 ref_and_mask_cp4;
658 	u32 ref_and_mask_cp5;
659 	u32 ref_and_mask_cp6;
660 	u32 ref_and_mask_cp7;
661 	u32 ref_and_mask_cp8;
662 	u32 ref_and_mask_cp9;
663 	u32 ref_and_mask_sdma0;
664 	u32 ref_and_mask_sdma1;
665 	u32 ref_and_mask_sdma2;
666 	u32 ref_and_mask_sdma3;
667 	u32 ref_and_mask_sdma4;
668 	u32 ref_and_mask_sdma5;
669 	u32 ref_and_mask_sdma6;
670 	u32 ref_and_mask_sdma7;
671 };
672 
673 struct amdgpu_mmio_remap {
674 	u32 reg_offset;
675 	resource_size_t bus_addr;
676 };
677 
678 struct amdgpu_nbio_funcs {
679 	const struct nbio_hdp_flush_reg *hdp_flush_reg;
680 	u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
681 	u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
682 	u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
683 	u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
684 	u32 (*get_rev_id)(struct amdgpu_device *adev);
685 	void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
686 	void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
687 	u32 (*get_memsize)(struct amdgpu_device *adev);
688 	void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
689 			bool use_doorbell, int doorbell_index, int doorbell_size);
690 	void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
691 				   int doorbell_index, int instance);
692 	void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
693 					 bool enable);
694 	void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
695 						  bool enable);
696 	void (*ih_doorbell_range)(struct amdgpu_device *adev,
697 				  bool use_doorbell, int doorbell_index);
698 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
699 						 bool enable);
700 	void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
701 						bool enable);
702 	void (*get_clockgating_state)(struct amdgpu_device *adev,
703 				      u32 *flags);
704 	void (*ih_control)(struct amdgpu_device *adev);
705 	void (*init_registers)(struct amdgpu_device *adev);
706 	void (*detect_hw_virt)(struct amdgpu_device *adev);
707 	void (*remap_hdp_registers)(struct amdgpu_device *adev);
708 };
709 
710 struct amdgpu_df_funcs {
711 	void (*sw_init)(struct amdgpu_device *adev);
712 	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
713 				      bool enable);
714 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
715 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
716 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
717 						 bool enable);
718 	void (*get_clockgating_state)(struct amdgpu_device *adev,
719 				      u32 *flags);
720 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
721 					    bool enable);
722 	int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
723 					 int is_enable);
724 	int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
725 					 int is_disable);
726 	void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
727 					 uint64_t *count);
728 	uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
729 	void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
730 			 uint32_t ficadl_val, uint32_t ficadh_val);
731 };
732 /* Define the HW IP blocks will be used in driver , add more if necessary */
733 enum amd_hw_ip_block_type {
734 	GC_HWIP = 1,
735 	HDP_HWIP,
736 	SDMA0_HWIP,
737 	SDMA1_HWIP,
738 	SDMA2_HWIP,
739 	SDMA3_HWIP,
740 	SDMA4_HWIP,
741 	SDMA5_HWIP,
742 	SDMA6_HWIP,
743 	SDMA7_HWIP,
744 	MMHUB_HWIP,
745 	ATHUB_HWIP,
746 	NBIO_HWIP,
747 	MP0_HWIP,
748 	MP1_HWIP,
749 	UVD_HWIP,
750 	VCN_HWIP = UVD_HWIP,
751 	VCE_HWIP,
752 	DF_HWIP,
753 	DCE_HWIP,
754 	OSSSYS_HWIP,
755 	SMUIO_HWIP,
756 	PWR_HWIP,
757 	NBIF_HWIP,
758 	THM_HWIP,
759 	CLK_HWIP,
760 	UMC_HWIP,
761 	RSMU_HWIP,
762 	MAX_HWIP
763 };
764 
765 #define HWIP_MAX_INSTANCE	8
766 
767 struct amd_powerplay {
768 	void *pp_handle;
769 	const struct amd_pm_funcs *pp_funcs;
770 };
771 
772 #define AMDGPU_RESET_MAGIC_NUM 64
773 #define AMDGPU_MAX_DF_PERFMONS 4
774 struct amdgpu_device {
775 	struct device			*dev;
776 	struct drm_device		*ddev;
777 	struct pci_dev			*pdev;
778 
779 #ifdef CONFIG_DRM_AMD_ACP
780 	struct amdgpu_acp		acp;
781 #endif
782 
783 	/* ASIC */
784 	enum amd_asic_type		asic_type;
785 	uint32_t			family;
786 	uint32_t			rev_id;
787 	uint32_t			external_rev_id;
788 	unsigned long			flags;
789 	int				usec_timeout;
790 	const struct amdgpu_asic_funcs	*asic_funcs;
791 	bool				shutdown;
792 	bool				need_swiotlb;
793 	bool				accel_working;
794 	struct notifier_block		acpi_nb;
795 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
796 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
797 	unsigned			debugfs_count;
798 #if defined(CONFIG_DEBUG_FS)
799 	struct dentry                   *debugfs_preempt;
800 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
801 #endif
802 	struct amdgpu_atif		*atif;
803 	struct amdgpu_atcs		atcs;
804 	struct mutex			srbm_mutex;
805 	/* GRBM index mutex. Protects concurrent access to GRBM index */
806 	struct mutex                    grbm_idx_mutex;
807 	struct dev_pm_domain		vga_pm_domain;
808 	bool				have_disp_power_ref;
809 	bool                            have_atomics_support;
810 
811 	/* BIOS */
812 	bool				is_atom_fw;
813 	uint8_t				*bios;
814 	uint32_t			bios_size;
815 	struct amdgpu_bo		*stolen_vga_memory;
816 	uint32_t			bios_scratch_reg_offset;
817 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
818 
819 	/* Register/doorbell mmio */
820 	resource_size_t			rmmio_base;
821 	resource_size_t			rmmio_size;
822 	void __iomem			*rmmio;
823 	/* protects concurrent MM_INDEX/DATA based register access */
824 	spinlock_t mmio_idx_lock;
825 	struct amdgpu_mmio_remap        rmmio_remap;
826 	/* protects concurrent SMC based register access */
827 	spinlock_t smc_idx_lock;
828 	amdgpu_rreg_t			smc_rreg;
829 	amdgpu_wreg_t			smc_wreg;
830 	/* protects concurrent PCIE register access */
831 	spinlock_t pcie_idx_lock;
832 	amdgpu_rreg_t			pcie_rreg;
833 	amdgpu_wreg_t			pcie_wreg;
834 	amdgpu_rreg_t			pciep_rreg;
835 	amdgpu_wreg_t			pciep_wreg;
836 	amdgpu_rreg64_t			pcie_rreg64;
837 	amdgpu_wreg64_t			pcie_wreg64;
838 	/* protects concurrent UVD register access */
839 	spinlock_t uvd_ctx_idx_lock;
840 	amdgpu_rreg_t			uvd_ctx_rreg;
841 	amdgpu_wreg_t			uvd_ctx_wreg;
842 	/* protects concurrent DIDT register access */
843 	spinlock_t didt_idx_lock;
844 	amdgpu_rreg_t			didt_rreg;
845 	amdgpu_wreg_t			didt_wreg;
846 	/* protects concurrent gc_cac register access */
847 	spinlock_t gc_cac_idx_lock;
848 	amdgpu_rreg_t			gc_cac_rreg;
849 	amdgpu_wreg_t			gc_cac_wreg;
850 	/* protects concurrent se_cac register access */
851 	spinlock_t se_cac_idx_lock;
852 	amdgpu_rreg_t			se_cac_rreg;
853 	amdgpu_wreg_t			se_cac_wreg;
854 	/* protects concurrent ENDPOINT (audio) register access */
855 	spinlock_t audio_endpt_idx_lock;
856 	amdgpu_block_rreg_t		audio_endpt_rreg;
857 	amdgpu_block_wreg_t		audio_endpt_wreg;
858 	void __iomem                    *rio_mem;
859 	resource_size_t			rio_mem_size;
860 	struct amdgpu_doorbell		doorbell;
861 
862 	/* clock/pll info */
863 	struct amdgpu_clock            clock;
864 
865 	/* MC */
866 	struct amdgpu_gmc		gmc;
867 	struct amdgpu_gart		gart;
868 	dma_addr_t			dummy_page_addr;
869 	struct amdgpu_vm_manager	vm_manager;
870 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
871 	unsigned			num_vmhubs;
872 
873 	/* memory management */
874 	struct amdgpu_mman		mman;
875 	struct amdgpu_vram_scratch	vram_scratch;
876 	struct amdgpu_wb		wb;
877 	atomic64_t			num_bytes_moved;
878 	atomic64_t			num_evictions;
879 	atomic64_t			num_vram_cpu_page_faults;
880 	atomic_t			gpu_reset_counter;
881 	atomic_t			vram_lost_counter;
882 
883 	/* data for buffer migration throttling */
884 	struct {
885 		spinlock_t		lock;
886 		s64			last_update_us;
887 		s64			accum_us; /* accumulated microseconds */
888 		s64			accum_us_vis; /* for visible VRAM */
889 		u32			log2_max_MBps;
890 	} mm_stats;
891 
892 	/* display */
893 	bool				enable_virtual_display;
894 	struct amdgpu_mode_info		mode_info;
895 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
896 	struct work_struct		hotplug_work;
897 	struct amdgpu_irq_src		crtc_irq;
898 	struct amdgpu_irq_src		vupdate_irq;
899 	struct amdgpu_irq_src		pageflip_irq;
900 	struct amdgpu_irq_src		hpd_irq;
901 
902 	/* rings */
903 	u64				fence_context;
904 	unsigned			num_rings;
905 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
906 	bool				ib_pool_ready;
907 	struct amdgpu_sa_manager	ring_tmp_bo;
908 
909 	/* interrupts */
910 	struct amdgpu_irq		irq;
911 
912 	/* powerplay */
913 	struct amd_powerplay		powerplay;
914 	bool				pp_force_state_enabled;
915 
916 	/* smu */
917 	struct smu_context		smu;
918 
919 	/* dpm */
920 	struct amdgpu_pm		pm;
921 	u32				cg_flags;
922 	u32				pg_flags;
923 
924 	/* gfx */
925 	struct amdgpu_gfx		gfx;
926 
927 	/* sdma */
928 	struct amdgpu_sdma		sdma;
929 
930 	/* uvd */
931 	struct amdgpu_uvd		uvd;
932 
933 	/* vce */
934 	struct amdgpu_vce		vce;
935 
936 	/* vcn */
937 	struct amdgpu_vcn		vcn;
938 
939 	/* firmwares */
940 	struct amdgpu_firmware		firmware;
941 
942 	/* PSP */
943 	struct psp_context		psp;
944 
945 	/* GDS */
946 	struct amdgpu_gds		gds;
947 
948 	/* KFD */
949 	struct amdgpu_kfd_dev		kfd;
950 
951 	/* UMC */
952 	struct amdgpu_umc		umc;
953 
954 	/* display related functionality */
955 	struct amdgpu_display_manager dm;
956 
957 	/* discovery */
958 	uint8_t				*discovery;
959 
960 	/* mes */
961 	bool                            enable_mes;
962 	struct amdgpu_mes               mes;
963 
964 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
965 	int				num_ip_blocks;
966 	struct mutex	mn_lock;
967 	DECLARE_HASHTABLE(mn_hash, 7);
968 
969 	/* tracking pinned memory */
970 	atomic64_t vram_pin_size;
971 	atomic64_t visible_pin_size;
972 	atomic64_t gart_pin_size;
973 
974 	/* soc15 register offset based on ip, instance and  segment */
975 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
976 
977 	const struct amdgpu_nbio_funcs	*nbio_funcs;
978 	const struct amdgpu_df_funcs	*df_funcs;
979 	const struct amdgpu_mmhub_funcs	*mmhub_funcs;
980 
981 	/* delayed work_func for deferring clockgating during resume */
982 	struct delayed_work     delayed_init_work;
983 
984 	struct amdgpu_virt	virt;
985 	/* firmware VRAM reservation */
986 	struct amdgpu_fw_vram_usage fw_vram_usage;
987 
988 	/* link all shadow bo */
989 	struct list_head                shadow_list;
990 	struct mutex                    shadow_list_lock;
991 	/* keep an lru list of rings by HW IP */
992 	struct list_head		ring_lru_list;
993 	spinlock_t			ring_lru_list_lock;
994 
995 	/* record hw reset is performed */
996 	bool has_hw_reset;
997 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
998 
999 	/* s3/s4 mask */
1000 	bool                            in_suspend;
1001 
1002 	/* record last mm index being written through WREG32*/
1003 	unsigned long last_mm_index;
1004 	bool                            in_gpu_reset;
1005 	enum pp_mp1_state               mp1_state;
1006 	struct mutex  lock_reset;
1007 	struct amdgpu_doorbell_index doorbell_index;
1008 
1009 	int asic_reset_res;
1010 	struct work_struct		xgmi_reset_work;
1011 
1012 	bool                            in_baco_reset;
1013 
1014 	long				gfx_timeout;
1015 	long				sdma_timeout;
1016 	long				video_timeout;
1017 	long				compute_timeout;
1018 
1019 	uint64_t			unique_id;
1020 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1021 };
1022 
amdgpu_ttm_adev(struct ttm_bo_device * bdev)1023 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1024 {
1025 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1026 }
1027 
1028 int amdgpu_device_init(struct amdgpu_device *adev,
1029 		       struct drm_device *ddev,
1030 		       struct pci_dev *pdev,
1031 		       uint32_t flags);
1032 void amdgpu_device_fini(struct amdgpu_device *adev);
1033 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1034 
1035 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1036 			uint32_t acc_flags);
1037 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1038 		    uint32_t acc_flags);
1039 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1040 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1041 
1042 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1043 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1044 
1045 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1046 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1047 
1048 int emu_soc_asic_init(struct amdgpu_device *adev);
1049 
1050 /*
1051  * Registers read & write functions.
1052  */
1053 
1054 #define AMDGPU_REGS_IDX       (1<<0)
1055 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1056 
1057 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1058 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1059 
1060 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1061 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1062 
1063 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1064 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1065 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1066 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1067 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1068 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1069 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1070 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1071 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1072 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1073 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1074 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1075 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1076 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1077 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1078 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1079 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1080 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1081 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1082 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1083 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1084 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1085 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1086 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1087 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1088 #define WREG32_P(reg, val, mask)				\
1089 	do {							\
1090 		uint32_t tmp_ = RREG32(reg);			\
1091 		tmp_ &= (mask);					\
1092 		tmp_ |= ((val) & ~(mask));			\
1093 		WREG32(reg, tmp_);				\
1094 	} while (0)
1095 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1096 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1097 #define WREG32_PLL_P(reg, val, mask)				\
1098 	do {							\
1099 		uint32_t tmp_ = RREG32_PLL(reg);		\
1100 		tmp_ &= (mask);					\
1101 		tmp_ |= ((val) & ~(mask));			\
1102 		WREG32_PLL(reg, tmp_);				\
1103 	} while (0)
1104 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1105 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1106 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1107 
1108 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1109 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1110 
1111 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1112 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1113 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1114 
1115 #define REG_GET_FIELD(value, reg, field)				\
1116 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1117 
1118 #define WREG32_FIELD(reg, field, val)	\
1119 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1120 
1121 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1122 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1123 
1124 /*
1125  * BIOS helpers.
1126  */
1127 #define RBIOS8(i) (adev->bios[i])
1128 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1129 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1130 
1131 /*
1132  * ASICs macro.
1133  */
1134 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1135 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1136 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1137 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1138 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1139 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1140 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1141 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1142 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1143 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1144 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1145 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1146 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1147 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1148 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1149 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1150 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1151 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1152 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1153 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1154 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1155 
1156 /* Common functions */
1157 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1158 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1159 			      struct amdgpu_job* job);
1160 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1161 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1162 
1163 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1164 				  u64 num_vis_bytes);
1165 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1166 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1167 					     const u32 *registers,
1168 					     const u32 array_size);
1169 
1170 bool amdgpu_device_is_px(struct drm_device *dev);
1171 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1172 				      struct amdgpu_device *peer_adev);
1173 
1174 /* atpx handler */
1175 #if defined(CONFIG_VGA_SWITCHEROO)
1176 void amdgpu_register_atpx_handler(void);
1177 void amdgpu_unregister_atpx_handler(void);
1178 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1179 bool amdgpu_is_atpx_hybrid(void);
1180 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1181 bool amdgpu_has_atpx(void);
1182 #else
amdgpu_register_atpx_handler(void)1183 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1184 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1185 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1186 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_atpx_dgpu_req_power_for_displays(void)1187 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
amdgpu_has_atpx(void)1188 static inline bool amdgpu_has_atpx(void) { return false; }
1189 #endif
1190 
1191 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1192 void *amdgpu_atpx_get_dhandle(void);
1193 #else
amdgpu_atpx_get_dhandle(void)1194 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1195 #endif
1196 
1197 /*
1198  * KMS
1199  */
1200 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1201 extern const int amdgpu_max_kms_ioctl;
1202 
1203 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1204 void amdgpu_driver_unload_kms(struct drm_device *dev);
1205 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1206 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1207 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1208 				 struct drm_file *file_priv);
1209 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1210 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1211 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1212 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1213 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1214 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1215 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1216 			     unsigned long arg);
1217 
1218 /*
1219  * functions used by amdgpu_encoder.c
1220  */
1221 struct amdgpu_afmt_acr {
1222 	u32 clock;
1223 
1224 	int n_32khz;
1225 	int cts_32khz;
1226 
1227 	int n_44_1khz;
1228 	int cts_44_1khz;
1229 
1230 	int n_48khz;
1231 	int cts_48khz;
1232 
1233 };
1234 
1235 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1236 
1237 /* amdgpu_acpi.c */
1238 #if defined(CONFIG_ACPI)
1239 int amdgpu_acpi_init(struct amdgpu_device *adev);
1240 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1241 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1242 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1243 						u8 perf_req, bool advertise);
1244 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1245 
1246 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1247 		struct amdgpu_dm_backlight_caps *caps);
1248 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1249 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_fini(struct amdgpu_device * adev)1250 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1251 #endif
1252 
1253 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1254 			   uint64_t addr, struct amdgpu_bo **bo,
1255 			   struct amdgpu_bo_va_mapping **mapping);
1256 
1257 #if defined(CONFIG_DRM_AMD_DC)
1258 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1259 #else
amdgpu_dm_display_resume(struct amdgpu_device * adev)1260 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1261 #endif
1262 
1263 
1264 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1265 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1266 
1267 #include "amdgpu_object.h"
1268 
1269 /* used by df_v3_6.c and amdgpu_pmu.c */
1270 #define AMDGPU_PMU_ATTR(_name, _object)					\
1271 static ssize_t								\
1272 _name##_show(struct device *dev,					\
1273 			       struct device_attribute *attr,		\
1274 			       char *page)				\
1275 {									\
1276 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
1277 	return sprintf(page, _object "\n");				\
1278 }									\
1279 									\
1280 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1281 
1282 #endif
1283 
1284