amdgpu.h revision 1.1.1.2 1 /* $NetBSD: amdgpu.h,v 1.1.1.2 2021/12/18 20:11:04 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 #include "amdgpu_ctx.h"
34
35 #include <linux/atomic.h>
36 #include <linux/wait.h>
37 #include <linux/list.h>
38 #include <linux/kref.h>
39 #include <linux/rbtree.h>
40 #include <linux/hashtable.h>
41 #include <linux/dma-fence.h>
42
43 #include <drm/ttm/ttm_bo_api.h>
44 #include <drm/ttm/ttm_bo_driver.h>
45 #include <drm/ttm/ttm_placement.h>
46 #include <drm/ttm/ttm_module.h>
47 #include <drm/ttm/ttm_execbuf_util.h>
48
49 #include <drm/amdgpu_drm.h>
50 #include <drm/drm_gem.h>
51 #include <drm/drm_ioctl.h>
52 #include <drm/gpu_scheduler.h>
53
54 #include <kgd_kfd_interface.h>
55 #include "dm_pp_interface.h"
56 #include "kgd_pp_interface.h"
57
58 #include "amd_shared.h"
59 #include "amdgpu_mode.h"
60 #include "amdgpu_ih.h"
61 #include "amdgpu_irq.h"
62 #include "amdgpu_ucode.h"
63 #include "amdgpu_ttm.h"
64 #include "amdgpu_psp.h"
65 #include "amdgpu_gds.h"
66 #include "amdgpu_sync.h"
67 #include "amdgpu_ring.h"
68 #include "amdgpu_vm.h"
69 #include "amdgpu_dpm.h"
70 #include "amdgpu_acp.h"
71 #include "amdgpu_uvd.h"
72 #include "amdgpu_vce.h"
73 #include "amdgpu_vcn.h"
74 #include "amdgpu_jpeg.h"
75 #include "amdgpu_mn.h"
76 #include "amdgpu_gmc.h"
77 #include "amdgpu_gfx.h"
78 #include "amdgpu_sdma.h"
79 #include "amdgpu_nbio.h"
80 #include "amdgpu_dm.h"
81 #include "amdgpu_virt.h"
82 #include "amdgpu_csa.h"
83 #include "amdgpu_gart.h"
84 #include "amdgpu_debugfs.h"
85 #include "amdgpu_job.h"
86 #include "amdgpu_bo_list.h"
87 #include "amdgpu_gem.h"
88 #include "amdgpu_doorbell.h"
89 #include "amdgpu_amdkfd.h"
90 #include "amdgpu_smu.h"
91 #include "amdgpu_discovery.h"
92 #include "amdgpu_mes.h"
93 #include "amdgpu_umc.h"
94 #include "amdgpu_mmhub.h"
95 #include "amdgpu_df.h"
96
97 #define MAX_GPU_INSTANCE 16
98
99 struct amdgpu_gpu_instance
100 {
101 struct amdgpu_device *adev;
102 int mgpu_fan_enabled;
103 };
104
105 struct amdgpu_mgpu_info
106 {
107 struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE];
108 struct mutex mutex;
109 uint32_t num_gpu;
110 uint32_t num_dgpu;
111 uint32_t num_apu;
112 };
113
114 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH 256
115
116 /*
117 * Modules parameters.
118 */
119 extern int amdgpu_modeset;
120 extern int amdgpu_vram_limit;
121 extern int amdgpu_vis_vram_limit;
122 extern int amdgpu_gart_size;
123 extern int amdgpu_gtt_size;
124 extern int amdgpu_moverate;
125 extern int amdgpu_benchmarking;
126 extern int amdgpu_testing;
127 extern int amdgpu_audio;
128 extern int amdgpu_disp_priority;
129 extern int amdgpu_hw_i2c;
130 extern int amdgpu_pcie_gen2;
131 extern int amdgpu_msi;
132 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
133 extern int amdgpu_dpm;
134 extern int amdgpu_fw_load_type;
135 extern int amdgpu_aspm;
136 extern int amdgpu_runtime_pm;
137 extern uint amdgpu_ip_block_mask;
138 extern int amdgpu_bapm;
139 extern int amdgpu_deep_color;
140 extern int amdgpu_vm_size;
141 extern int amdgpu_vm_block_size;
142 extern int amdgpu_vm_fragment_size;
143 extern int amdgpu_vm_fault_stop;
144 extern int amdgpu_vm_debug;
145 extern int amdgpu_vm_update_mode;
146 extern int amdgpu_exp_hw_support;
147 extern int amdgpu_dc;
148 extern int amdgpu_sched_jobs;
149 extern int amdgpu_sched_hw_submission;
150 extern uint amdgpu_pcie_gen_cap;
151 extern uint amdgpu_pcie_lane_cap;
152 extern uint amdgpu_cg_mask;
153 extern uint amdgpu_pg_mask;
154 extern uint amdgpu_sdma_phase_quantum;
155 extern char *amdgpu_disable_cu;
156 extern char *amdgpu_virtual_display;
157 extern uint amdgpu_pp_feature_mask;
158 extern uint amdgpu_force_long_training;
159 extern int amdgpu_job_hang_limit;
160 extern int amdgpu_lbpw;
161 extern int amdgpu_compute_multipipe;
162 extern int amdgpu_gpu_recovery;
163 extern int amdgpu_emu_mode;
164 extern uint amdgpu_smu_memory_pool_size;
165 extern uint amdgpu_dc_feature_mask;
166 extern uint amdgpu_dm_abm_level;
167 extern struct amdgpu_mgpu_info mgpu_info;
168 extern int amdgpu_ras_enable;
169 extern uint amdgpu_ras_mask;
170 extern int amdgpu_async_gfx_ring;
171 extern int amdgpu_mcbp;
172 extern int amdgpu_discovery;
173 extern int amdgpu_mes;
174 extern int amdgpu_noretry;
175 extern int amdgpu_force_asic_type;
176 #ifdef CONFIG_HSA_AMD
177 extern int sched_policy;
178 #else
179 static const int sched_policy = KFD_SCHED_POLICY_HWS;
180 #endif
181
182 #ifdef CONFIG_DRM_AMDGPU_SI
183 extern int amdgpu_si_support;
184 #endif
185 #ifdef CONFIG_DRM_AMDGPU_CIK
186 extern int amdgpu_cik_support;
187 #endif
188
189 #define AMDGPU_VM_MAX_NUM_CTX 4096
190 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
191 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
192 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
193 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
194 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
195 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
196 #define AMDGPU_IB_POOL_SIZE 16
197 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
198 #define AMDGPUFB_CONN_LIMIT 4
199 #define AMDGPU_BIOS_NUM_SCRATCH 16
200
201 /* hard reset data */
202 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
203
204 /* reset flags */
205 #define AMDGPU_RESET_GFX (1 << 0)
206 #define AMDGPU_RESET_COMPUTE (1 << 1)
207 #define AMDGPU_RESET_DMA (1 << 2)
208 #define AMDGPU_RESET_CP (1 << 3)
209 #define AMDGPU_RESET_GRBM (1 << 4)
210 #define AMDGPU_RESET_DMA1 (1 << 5)
211 #define AMDGPU_RESET_RLC (1 << 6)
212 #define AMDGPU_RESET_SEM (1 << 7)
213 #define AMDGPU_RESET_IH (1 << 8)
214 #define AMDGPU_RESET_VMC (1 << 9)
215 #define AMDGPU_RESET_MC (1 << 10)
216 #define AMDGPU_RESET_DISPLAY (1 << 11)
217 #define AMDGPU_RESET_UVD (1 << 12)
218 #define AMDGPU_RESET_VCE (1 << 13)
219 #define AMDGPU_RESET_VCE1 (1 << 14)
220
221 /* max cursor sizes (in pixels) */
222 #define CIK_CURSOR_WIDTH 128
223 #define CIK_CURSOR_HEIGHT 128
224
225 struct amdgpu_device;
226 struct amdgpu_ib;
227 struct amdgpu_cs_parser;
228 struct amdgpu_job;
229 struct amdgpu_irq_src;
230 struct amdgpu_fpriv;
231 struct amdgpu_bo_va_mapping;
232 struct amdgpu_atif;
233 struct kfd_vm_fault_info;
234
235 enum amdgpu_cp_irq {
236 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
237 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
238 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
239 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
240 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
241 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
242 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
243 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
244 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
245 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
246
247 AMDGPU_CP_IRQ_LAST
248 };
249
250 enum amdgpu_thermal_irq {
251 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
252 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
253
254 AMDGPU_THERMAL_IRQ_LAST
255 };
256
257 enum amdgpu_kiq_irq {
258 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
259 AMDGPU_CP_KIQ_IRQ_LAST
260 };
261
262 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
263 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
264 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
265
266 int amdgpu_device_ip_set_clockgating_state(void *dev,
267 enum amd_ip_block_type block_type,
268 enum amd_clockgating_state state);
269 int amdgpu_device_ip_set_powergating_state(void *dev,
270 enum amd_ip_block_type block_type,
271 enum amd_powergating_state state);
272 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
273 u32 *flags);
274 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
275 enum amd_ip_block_type block_type);
276 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
277 enum amd_ip_block_type block_type);
278
279 #define AMDGPU_MAX_IP_NUM 16
280
281 struct amdgpu_ip_block_status {
282 bool valid;
283 bool sw;
284 bool hw;
285 bool late_initialized;
286 bool hang;
287 };
288
289 struct amdgpu_ip_block_version {
290 const enum amd_ip_block_type type;
291 const u32 major;
292 const u32 minor;
293 const u32 rev;
294 const struct amd_ip_funcs *funcs;
295 };
296
297 #define HW_REV(_Major, _Minor, _Rev) \
298 ((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
299
300 struct amdgpu_ip_block {
301 struct amdgpu_ip_block_status status;
302 const struct amdgpu_ip_block_version *version;
303 };
304
305 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
306 enum amd_ip_block_type type,
307 u32 major, u32 minor);
308
309 struct amdgpu_ip_block *
310 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
311 enum amd_ip_block_type type);
312
313 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
314 const struct amdgpu_ip_block_version *ip_block_version);
315
316 /*
317 * BIOS.
318 */
319 bool amdgpu_get_bios(struct amdgpu_device *adev);
320 bool amdgpu_read_bios(struct amdgpu_device *adev);
321
322 /*
323 * Clocks
324 */
325
326 #define AMDGPU_MAX_PPLL 3
327
328 struct amdgpu_clock {
329 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
330 struct amdgpu_pll spll;
331 struct amdgpu_pll mpll;
332 /* 10 Khz units */
333 uint32_t default_mclk;
334 uint32_t default_sclk;
335 uint32_t default_dispclk;
336 uint32_t current_dispclk;
337 uint32_t dp_extclk;
338 uint32_t max_pixel_clock;
339 };
340
341 /* sub-allocation manager, it has to be protected by another lock.
342 * By conception this is an helper for other part of the driver
343 * like the indirect buffer or semaphore, which both have their
344 * locking.
345 *
346 * Principe is simple, we keep a list of sub allocation in offset
347 * order (first entry has offset == 0, last entry has the highest
348 * offset).
349 *
350 * When allocating new object we first check if there is room at
351 * the end total_size - (last_object_offset + last_object_size) >=
352 * alloc_size. If so we allocate new object there.
353 *
354 * When there is not enough room at the end, we start waiting for
355 * each sub object until we reach object_offset+object_size >=
356 * alloc_size, this object then become the sub object we return.
357 *
358 * Alignment can't be bigger than page size.
359 *
360 * Hole are not considered for allocation to keep things simple.
361 * Assumption is that there won't be hole (all object on same
362 * alignment).
363 */
364
365 #define AMDGPU_SA_NUM_FENCE_LISTS 32
366
367 struct amdgpu_sa_manager {
368 wait_queue_head_t wq;
369 struct amdgpu_bo *bo;
370 struct list_head *hole;
371 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
372 struct list_head olist;
373 unsigned size;
374 uint64_t gpu_addr;
375 void *cpu_ptr;
376 uint32_t domain;
377 uint32_t align;
378 };
379
380 /* sub-allocation buffer */
381 struct amdgpu_sa_bo {
382 struct list_head olist;
383 struct list_head flist;
384 struct amdgpu_sa_manager *manager;
385 unsigned soffset;
386 unsigned eoffset;
387 struct dma_fence *fence;
388 };
389
390 int amdgpu_fence_slab_init(void);
391 void amdgpu_fence_slab_fini(void);
392
393 /*
394 * IRQS.
395 */
396
397 struct amdgpu_flip_work {
398 struct delayed_work flip_work;
399 struct work_struct unpin_work;
400 struct amdgpu_device *adev;
401 int crtc_id;
402 u32 target_vblank;
403 uint64_t base;
404 struct drm_pending_vblank_event *event;
405 struct amdgpu_bo *old_abo;
406 struct dma_fence *excl;
407 unsigned shared_count;
408 struct dma_fence **shared;
409 struct dma_fence_cb cb;
410 bool async;
411 };
412
413
414 /*
415 * CP & rings.
416 */
417
418 struct amdgpu_ib {
419 struct amdgpu_sa_bo *sa_bo;
420 uint32_t length_dw;
421 uint64_t gpu_addr;
422 uint32_t *ptr;
423 uint32_t flags;
424 };
425
426 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
427
428 /*
429 * file private structure
430 */
431
432 struct amdgpu_fpriv {
433 struct amdgpu_vm vm;
434 struct amdgpu_bo_va *prt_va;
435 struct amdgpu_bo_va *csa_va;
436 struct mutex bo_list_lock;
437 struct idr bo_list_handles;
438 struct amdgpu_ctx_mgr ctx_mgr;
439 };
440
441 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
442
443 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
444 unsigned size, struct amdgpu_ib *ib);
445 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
446 struct dma_fence *f);
447 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
448 struct amdgpu_ib *ibs, struct amdgpu_job *job,
449 struct dma_fence **f);
450 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
451 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
452 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
453
454 /*
455 * CS.
456 */
457 struct amdgpu_cs_chunk {
458 uint32_t chunk_id;
459 uint32_t length_dw;
460 void *kdata;
461 };
462
463 struct amdgpu_cs_post_dep {
464 struct drm_syncobj *syncobj;
465 struct dma_fence_chain *chain;
466 u64 point;
467 };
468
469 struct amdgpu_cs_parser {
470 struct amdgpu_device *adev;
471 struct drm_file *filp;
472 struct amdgpu_ctx *ctx;
473
474 /* chunks */
475 unsigned nchunks;
476 struct amdgpu_cs_chunk *chunks;
477
478 /* scheduler job object */
479 struct amdgpu_job *job;
480 struct drm_sched_entity *entity;
481
482 /* buffer objects */
483 struct ww_acquire_ctx ticket;
484 struct amdgpu_bo_list *bo_list;
485 struct amdgpu_mn *mn;
486 struct amdgpu_bo_list_entry vm_pd;
487 struct list_head validated;
488 struct dma_fence *fence;
489 uint64_t bytes_moved_threshold;
490 uint64_t bytes_moved_vis_threshold;
491 uint64_t bytes_moved;
492 uint64_t bytes_moved_vis;
493
494 /* user fence */
495 struct amdgpu_bo_list_entry uf_entry;
496
497 unsigned num_post_deps;
498 struct amdgpu_cs_post_dep *post_deps;
499 };
500
501 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
502 uint32_t ib_idx, int idx)
503 {
504 return p->job->ibs[ib_idx].ptr[idx];
505 }
506
507 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
508 uint32_t ib_idx, int idx,
509 uint32_t value)
510 {
511 p->job->ibs[ib_idx].ptr[idx] = value;
512 }
513
514 /*
515 * Writeback
516 */
517 #define AMDGPU_MAX_WB 128 /* Reserve at most 128 WB slots for amdgpu-owned rings. */
518
519 struct amdgpu_wb {
520 struct amdgpu_bo *wb_obj;
521 volatile uint32_t *wb;
522 uint64_t gpu_addr;
523 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
524 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
525 };
526
527 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
528 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
529
530 /*
531 * Benchmarking
532 */
533 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
534
535
536 /*
537 * Testing
538 */
539 void amdgpu_test_moves(struct amdgpu_device *adev);
540
541 /*
542 * ASIC specific register table accessible by UMD
543 */
544 struct amdgpu_allowed_register_entry {
545 uint32_t reg_offset;
546 bool grbm_indexed;
547 };
548
549 enum amd_reset_method {
550 AMD_RESET_METHOD_LEGACY = 0,
551 AMD_RESET_METHOD_MODE0,
552 AMD_RESET_METHOD_MODE1,
553 AMD_RESET_METHOD_MODE2,
554 AMD_RESET_METHOD_BACO
555 };
556
557 /*
558 * ASIC specific functions.
559 */
560 struct amdgpu_asic_funcs {
561 bool (*read_disabled_bios)(struct amdgpu_device *adev);
562 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
563 u8 *bios, u32 length_bytes);
564 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
565 u32 sh_num, u32 reg_offset, u32 *value);
566 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
567 int (*reset)(struct amdgpu_device *adev);
568 enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
569 /* get the reference clock */
570 u32 (*get_xclk)(struct amdgpu_device *adev);
571 /* MM block clocks */
572 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
573 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
574 /* static power management */
575 int (*get_pcie_lanes)(struct amdgpu_device *adev);
576 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
577 /* get config memsize register */
578 u32 (*get_config_memsize)(struct amdgpu_device *adev);
579 /* flush hdp write queue */
580 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
581 /* invalidate hdp read cache */
582 void (*invalidate_hdp)(struct amdgpu_device *adev,
583 struct amdgpu_ring *ring);
584 /* check if the asic needs a full reset of if soft reset will work */
585 bool (*need_full_reset)(struct amdgpu_device *adev);
586 /* initialize doorbell layout for specific asic*/
587 void (*init_doorbell_index)(struct amdgpu_device *adev);
588 /* PCIe bandwidth usage */
589 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
590 uint64_t *count1);
591 /* do we need to reset the asic at init time (e.g., kexec) */
592 bool (*need_reset_on_init)(struct amdgpu_device *adev);
593 /* PCIe replay counter */
594 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
595 /* device supports BACO */
596 bool (*supports_baco)(struct amdgpu_device *adev);
597 };
598
599 /*
600 * IOCTL.
601 */
602 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
603 struct drm_file *filp);
604
605 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
606 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
607 struct drm_file *filp);
608 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
609 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
610 struct drm_file *filp);
611
612 /* VRAM scratch page for HDP bug, default vram page */
613 struct amdgpu_vram_scratch {
614 struct amdgpu_bo *robj;
615 volatile uint32_t *ptr;
616 u64 gpu_addr;
617 };
618
619 /*
620 * ACPI
621 */
622 struct amdgpu_atcs_functions {
623 bool get_ext_state;
624 bool pcie_perf_req;
625 bool pcie_dev_rdy;
626 bool pcie_bus_width;
627 };
628
629 struct amdgpu_atcs {
630 struct amdgpu_atcs_functions functions;
631 };
632
633 /*
634 * Firmware VRAM reservation
635 */
636 struct amdgpu_fw_vram_usage {
637 u64 start_offset;
638 u64 size;
639 struct amdgpu_bo *reserved_bo;
640 void *va;
641
642 /* GDDR6 training support flag.
643 */
644 bool mem_train_support;
645 };
646
647 /*
648 * CGS
649 */
650 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
651 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
652
653 /*
654 * Core structure, functions and helpers.
655 */
656 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
657 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
658
659 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
660 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
661
662 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
663 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
664
665 struct amdgpu_mmio_remap {
666 u32 reg_offset;
667 resource_size_t bus_addr;
668 };
669
670 /* Define the HW IP blocks will be used in driver , add more if necessary */
671 enum amd_hw_ip_block_type {
672 GC_HWIP = 1,
673 HDP_HWIP,
674 SDMA0_HWIP,
675 SDMA1_HWIP,
676 SDMA2_HWIP,
677 SDMA3_HWIP,
678 SDMA4_HWIP,
679 SDMA5_HWIP,
680 SDMA6_HWIP,
681 SDMA7_HWIP,
682 MMHUB_HWIP,
683 ATHUB_HWIP,
684 NBIO_HWIP,
685 MP0_HWIP,
686 MP1_HWIP,
687 UVD_HWIP,
688 VCN_HWIP = UVD_HWIP,
689 JPEG_HWIP = VCN_HWIP,
690 VCE_HWIP,
691 DF_HWIP,
692 DCE_HWIP,
693 OSSSYS_HWIP,
694 SMUIO_HWIP,
695 PWR_HWIP,
696 NBIF_HWIP,
697 THM_HWIP,
698 CLK_HWIP,
699 UMC_HWIP,
700 RSMU_HWIP,
701 MAX_HWIP
702 };
703
704 #define HWIP_MAX_INSTANCE 8
705
706 struct amd_powerplay {
707 void *pp_handle;
708 const struct amd_pm_funcs *pp_funcs;
709 };
710
711 #define AMDGPU_RESET_MAGIC_NUM 64
712 #define AMDGPU_MAX_DF_PERFMONS 4
713 struct amdgpu_device {
714 struct device *dev;
715 struct drm_device *ddev;
716 struct pci_dev *pdev;
717
718 #ifdef CONFIG_DRM_AMD_ACP
719 struct amdgpu_acp acp;
720 #endif
721
722 /* ASIC */
723 enum amd_asic_type asic_type;
724 uint32_t family;
725 uint32_t rev_id;
726 uint32_t external_rev_id;
727 unsigned long flags;
728 int usec_timeout;
729 const struct amdgpu_asic_funcs *asic_funcs;
730 bool shutdown;
731 bool need_swiotlb;
732 bool accel_working;
733 struct notifier_block acpi_nb;
734 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
735 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
736 unsigned debugfs_count;
737 #if defined(CONFIG_DEBUG_FS)
738 struct dentry *debugfs_preempt;
739 struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
740 #endif
741 struct amdgpu_atif *atif;
742 struct amdgpu_atcs atcs;
743 struct mutex srbm_mutex;
744 /* GRBM index mutex. Protects concurrent access to GRBM index */
745 struct mutex grbm_idx_mutex;
746 struct dev_pm_domain vga_pm_domain;
747 bool have_disp_power_ref;
748 bool have_atomics_support;
749
750 /* BIOS */
751 bool is_atom_fw;
752 uint8_t *bios;
753 uint32_t bios_size;
754 struct amdgpu_bo *stolen_vga_memory;
755 struct amdgpu_bo *discovery_memory;
756 uint32_t bios_scratch_reg_offset;
757 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
758
759 /* Register/doorbell mmio */
760 resource_size_t rmmio_base;
761 resource_size_t rmmio_size;
762 void __iomem *rmmio;
763 /* protects concurrent MM_INDEX/DATA based register access */
764 spinlock_t mmio_idx_lock;
765 struct amdgpu_mmio_remap rmmio_remap;
766 /* protects concurrent SMC based register access */
767 spinlock_t smc_idx_lock;
768 amdgpu_rreg_t smc_rreg;
769 amdgpu_wreg_t smc_wreg;
770 /* protects concurrent PCIE register access */
771 spinlock_t pcie_idx_lock;
772 amdgpu_rreg_t pcie_rreg;
773 amdgpu_wreg_t pcie_wreg;
774 amdgpu_rreg_t pciep_rreg;
775 amdgpu_wreg_t pciep_wreg;
776 amdgpu_rreg64_t pcie_rreg64;
777 amdgpu_wreg64_t pcie_wreg64;
778 /* protects concurrent UVD register access */
779 spinlock_t uvd_ctx_idx_lock;
780 amdgpu_rreg_t uvd_ctx_rreg;
781 amdgpu_wreg_t uvd_ctx_wreg;
782 /* protects concurrent DIDT register access */
783 spinlock_t didt_idx_lock;
784 amdgpu_rreg_t didt_rreg;
785 amdgpu_wreg_t didt_wreg;
786 /* protects concurrent gc_cac register access */
787 spinlock_t gc_cac_idx_lock;
788 amdgpu_rreg_t gc_cac_rreg;
789 amdgpu_wreg_t gc_cac_wreg;
790 /* protects concurrent se_cac register access */
791 spinlock_t se_cac_idx_lock;
792 amdgpu_rreg_t se_cac_rreg;
793 amdgpu_wreg_t se_cac_wreg;
794 /* protects concurrent ENDPOINT (audio) register access */
795 spinlock_t audio_endpt_idx_lock;
796 amdgpu_block_rreg_t audio_endpt_rreg;
797 amdgpu_block_wreg_t audio_endpt_wreg;
798 void __iomem *rio_mem;
799 resource_size_t rio_mem_size;
800 struct amdgpu_doorbell doorbell;
801
802 /* clock/pll info */
803 struct amdgpu_clock clock;
804
805 /* MC */
806 struct amdgpu_gmc gmc;
807 struct amdgpu_gart gart;
808 dma_addr_t dummy_page_addr;
809 struct amdgpu_vm_manager vm_manager;
810 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
811 unsigned num_vmhubs;
812
813 /* memory management */
814 struct amdgpu_mman mman;
815 struct amdgpu_vram_scratch vram_scratch;
816 struct amdgpu_wb wb;
817 atomic64_t num_bytes_moved;
818 atomic64_t num_evictions;
819 atomic64_t num_vram_cpu_page_faults;
820 atomic_t gpu_reset_counter;
821 atomic_t vram_lost_counter;
822
823 /* data for buffer migration throttling */
824 struct {
825 spinlock_t lock;
826 s64 last_update_us;
827 s64 accum_us; /* accumulated microseconds */
828 s64 accum_us_vis; /* for visible VRAM */
829 u32 log2_max_MBps;
830 } mm_stats;
831
832 /* display */
833 bool enable_virtual_display;
834 struct amdgpu_mode_info mode_info;
835 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
836 struct work_struct hotplug_work;
837 struct amdgpu_irq_src crtc_irq;
838 struct amdgpu_irq_src vupdate_irq;
839 struct amdgpu_irq_src pageflip_irq;
840 struct amdgpu_irq_src hpd_irq;
841
842 /* rings */
843 u64 fence_context;
844 unsigned num_rings;
845 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
846 bool ib_pool_ready;
847 struct amdgpu_sa_manager ring_tmp_bo;
848
849 /* interrupts */
850 struct amdgpu_irq irq;
851
852 /* powerplay */
853 struct amd_powerplay powerplay;
854 bool pp_force_state_enabled;
855
856 /* smu */
857 struct smu_context smu;
858
859 /* dpm */
860 struct amdgpu_pm pm;
861 u32 cg_flags;
862 u32 pg_flags;
863
864 /* nbio */
865 struct amdgpu_nbio nbio;
866
867 /* mmhub */
868 struct amdgpu_mmhub mmhub;
869
870 /* gfx */
871 struct amdgpu_gfx gfx;
872
873 /* sdma */
874 struct amdgpu_sdma sdma;
875
876 /* uvd */
877 struct amdgpu_uvd uvd;
878
879 /* vce */
880 struct amdgpu_vce vce;
881
882 /* vcn */
883 struct amdgpu_vcn vcn;
884
885 /* jpeg */
886 struct amdgpu_jpeg jpeg;
887
888 /* firmwares */
889 struct amdgpu_firmware firmware;
890
891 /* PSP */
892 struct psp_context psp;
893
894 /* GDS */
895 struct amdgpu_gds gds;
896
897 /* KFD */
898 struct amdgpu_kfd_dev kfd;
899
900 /* UMC */
901 struct amdgpu_umc umc;
902
903 /* display related functionality */
904 struct amdgpu_display_manager dm;
905
906 /* discovery */
907 uint8_t *discovery;
908
909 /* mes */
910 bool enable_mes;
911 struct amdgpu_mes mes;
912
913 /* df */
914 struct amdgpu_df df;
915
916 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
917 int num_ip_blocks;
918 struct mutex mn_lock;
919 DECLARE_HASHTABLE(mn_hash, 7);
920
921 /* tracking pinned memory */
922 atomic64_t vram_pin_size;
923 atomic64_t visible_pin_size;
924 atomic64_t gart_pin_size;
925
926 /* soc15 register offset based on ip, instance and segment */
927 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
928
929 /* delayed work_func for deferring clockgating during resume */
930 struct delayed_work delayed_init_work;
931
932 struct amdgpu_virt virt;
933 /* firmware VRAM reservation */
934 struct amdgpu_fw_vram_usage fw_vram_usage;
935
936 /* link all shadow bo */
937 struct list_head shadow_list;
938 struct mutex shadow_list_lock;
939 /* keep an lru list of rings by HW IP */
940 struct list_head ring_lru_list;
941 spinlock_t ring_lru_list_lock;
942
943 /* record hw reset is performed */
944 bool has_hw_reset;
945 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
946
947 /* s3/s4 mask */
948 bool in_suspend;
949
950 /* record last mm index being written through WREG32*/
951 unsigned long last_mm_index;
952 bool in_gpu_reset;
953 enum pp_mp1_state mp1_state;
954 struct mutex lock_reset;
955 struct amdgpu_doorbell_index doorbell_index;
956
957 struct mutex notifier_lock;
958
959 int asic_reset_res;
960 struct work_struct xgmi_reset_work;
961
962 long gfx_timeout;
963 long sdma_timeout;
964 long video_timeout;
965 long compute_timeout;
966
967 uint64_t unique_id;
968 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
969
970 /* device pstate */
971 int pstate;
972 /* enable runtime pm on the device */
973 bool runpm;
974
975 bool pm_sysfs_en;
976 bool ucode_sysfs_en;
977 };
978
979 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
980 {
981 return container_of(bdev, struct amdgpu_device, mman.bdev);
982 }
983
984 int amdgpu_device_init(struct amdgpu_device *adev,
985 struct drm_device *ddev,
986 struct pci_dev *pdev,
987 uint32_t flags);
988 void amdgpu_device_fini(struct amdgpu_device *adev);
989 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
990
991 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
992 uint32_t *buf, size_t size, bool write);
993 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
994 uint32_t acc_flags);
995 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
996 uint32_t acc_flags);
997 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
998 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
999
1000 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1001 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1002
1003 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1004 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1005
1006 int emu_soc_asic_init(struct amdgpu_device *adev);
1007
1008 /*
1009 * Registers read & write functions.
1010 */
1011
1012 #define AMDGPU_REGS_IDX (1<<0)
1013 #define AMDGPU_REGS_NO_KIQ (1<<1)
1014 #define AMDGPU_REGS_KIQ (1<<2)
1015
1016 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1017 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1018
1019 #define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ)
1020 #define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ)
1021
1022 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1023 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1024
1025 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1026 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1027 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1028 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1029 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1030 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1031 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1032 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1033 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1034 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1035 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1036 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1037 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1038 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1039 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1040 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1041 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1042 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1043 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1044 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1045 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1046 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1047 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1048 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1049 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1050 #define WREG32_P(reg, val, mask) \
1051 do { \
1052 uint32_t tmp_ = RREG32(reg); \
1053 tmp_ &= (mask); \
1054 tmp_ |= ((val) & ~(mask)); \
1055 WREG32(reg, tmp_); \
1056 } while (0)
1057 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1058 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1059 #define WREG32_PLL_P(reg, val, mask) \
1060 do { \
1061 uint32_t tmp_ = RREG32_PLL(reg); \
1062 tmp_ &= (mask); \
1063 tmp_ |= ((val) & ~(mask)); \
1064 WREG32_PLL(reg, tmp_); \
1065 } while (0)
1066 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1067 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1068 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1069
1070 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1071 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1072
1073 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1074 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1075 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1076
1077 #define REG_GET_FIELD(value, reg, field) \
1078 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1079
1080 #define WREG32_FIELD(reg, field, val) \
1081 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1082
1083 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1084 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1085
1086 /*
1087 * BIOS helpers.
1088 */
1089 #define RBIOS8(i) (adev->bios[i])
1090 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1091 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1092
1093 /*
1094 * ASICs macro.
1095 */
1096 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1097 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1098 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1099 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1100 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1101 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1102 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1103 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1104 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1105 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1106 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1107 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1108 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1109 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1110 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1111 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1112 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1113 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1114 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1115 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1116 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1117
1118 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1119
1120 /* Common functions */
1121 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1122 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1123 struct amdgpu_job* job);
1124 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1125 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1126
1127 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1128 u64 num_vis_bytes);
1129 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1130 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1131 const u32 *registers,
1132 const u32 array_size);
1133
1134 bool amdgpu_device_supports_boco(struct drm_device *dev);
1135 bool amdgpu_device_supports_baco(struct drm_device *dev);
1136 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1137 struct amdgpu_device *peer_adev);
1138 int amdgpu_device_baco_enter(struct drm_device *dev);
1139 int amdgpu_device_baco_exit(struct drm_device *dev);
1140
1141 /* atpx handler */
1142 #if defined(CONFIG_VGA_SWITCHEROO)
1143 void amdgpu_register_atpx_handler(void);
1144 void amdgpu_unregister_atpx_handler(void);
1145 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1146 bool amdgpu_is_atpx_hybrid(void);
1147 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1148 bool amdgpu_has_atpx(void);
1149 #else
1150 static inline void amdgpu_register_atpx_handler(void) {}
1151 static inline void amdgpu_unregister_atpx_handler(void) {}
1152 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1153 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1154 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1155 static inline bool amdgpu_has_atpx(void) { return false; }
1156 #endif
1157
1158 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1159 void *amdgpu_atpx_get_dhandle(void);
1160 #else
1161 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1162 #endif
1163
1164 /*
1165 * KMS
1166 */
1167 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1168 extern const int amdgpu_max_kms_ioctl;
1169
1170 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1171 void amdgpu_driver_unload_kms(struct drm_device *dev);
1172 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1173 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1174 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1175 struct drm_file *file_priv);
1176 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1177 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1178 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1179 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1180 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1181 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1182 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1183 unsigned long arg);
1184
1185 /*
1186 * functions used by amdgpu_encoder.c
1187 */
1188 struct amdgpu_afmt_acr {
1189 u32 clock;
1190
1191 int n_32khz;
1192 int cts_32khz;
1193
1194 int n_44_1khz;
1195 int cts_44_1khz;
1196
1197 int n_48khz;
1198 int cts_48khz;
1199
1200 };
1201
1202 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1203
1204 /* amdgpu_acpi.c */
1205 #if defined(CONFIG_ACPI)
1206 int amdgpu_acpi_init(struct amdgpu_device *adev);
1207 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1208 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1209 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1210 u8 perf_req, bool advertise);
1211 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1212
1213 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1214 struct amdgpu_dm_backlight_caps *caps);
1215 #else
1216 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1217 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1218 #endif
1219
1220 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1221 uint64_t addr, struct amdgpu_bo **bo,
1222 struct amdgpu_bo_va_mapping **mapping);
1223
1224 #if defined(CONFIG_DRM_AMD_DC)
1225 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1226 #else
1227 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1228 #endif
1229
1230
1231 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1232 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1233
1234 #include "amdgpu_object.h"
1235
1236 /* used by df_v3_6.c and amdgpu_pmu.c */
1237 #define AMDGPU_PMU_ATTR(_name, _object) \
1238 static ssize_t \
1239 _name##_show(struct device *dev, \
1240 struct device_attribute *attr, \
1241 char *page) \
1242 { \
1243 BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1); \
1244 return sprintf(page, _object "\n"); \
1245 } \
1246 \
1247 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
1248
1249 #endif
1250
1251