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[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / amd / amdgpu / amdgpu.h
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 <linux/atomic.h>
32 #include <linux/wait.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/interval_tree.h>
36 #include <linux/hashtable.h>
37 #include <linux/fence.h>
38
39 #include <ttm/ttm_bo_api.h>
40 #include <ttm/ttm_bo_driver.h>
41 #include <ttm/ttm_placement.h>
42 #include <ttm/ttm_module.h>
43 #include <ttm/ttm_execbuf_util.h>
44
45 #include <drm/drm_gem.h>
46 #include <drm/amdgpu_drm.h>
47
48 #include "amd_shared.h"
49 #include "amdgpu_family.h"
50 #include "amdgpu_mode.h"
51 #include "amdgpu_ih.h"
52 #include "amdgpu_irq.h"
53 #include "amdgpu_ucode.h"
54 #include "amdgpu_gds.h"
55
56 /*
57 * Modules parameters.
58 */
59 extern int amdgpu_modeset;
60 extern int amdgpu_vram_limit;
61 extern int amdgpu_gart_size;
62 extern int amdgpu_benchmarking;
63 extern int amdgpu_testing;
64 extern int amdgpu_audio;
65 extern int amdgpu_disp_priority;
66 extern int amdgpu_hw_i2c;
67 extern int amdgpu_pcie_gen2;
68 extern int amdgpu_msi;
69 extern int amdgpu_lockup_timeout;
70 extern int amdgpu_dpm;
71 extern int amdgpu_smc_load_fw;
72 extern int amdgpu_aspm;
73 extern int amdgpu_runtime_pm;
74 extern int amdgpu_hard_reset;
75 extern unsigned amdgpu_ip_block_mask;
76 extern int amdgpu_bapm;
77 extern int amdgpu_deep_color;
78 extern int amdgpu_vm_size;
79 extern int amdgpu_vm_block_size;
80
81 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
82 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
83 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
84 #define AMDGPU_IB_POOL_SIZE 16
85 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
86 #define AMDGPUFB_CONN_LIMIT 4
87 #define AMDGPU_BIOS_NUM_SCRATCH 8
88
89 /* max number of rings */
90 #define AMDGPU_MAX_RINGS 16
91 #define AMDGPU_MAX_GFX_RINGS 1
92 #define AMDGPU_MAX_COMPUTE_RINGS 8
93 #define AMDGPU_MAX_VCE_RINGS 2
94
95 /* number of hw syncs before falling back on blocking */
96 #define AMDGPU_NUM_SYNCS 4
97
98 /* hardcode that limit for now */
99 #define AMDGPU_VA_RESERVED_SIZE (8 << 20)
100
101 /* hard reset data */
102 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
103
104 /* reset flags */
105 #define AMDGPU_RESET_GFX (1 << 0)
106 #define AMDGPU_RESET_COMPUTE (1 << 1)
107 #define AMDGPU_RESET_DMA (1 << 2)
108 #define AMDGPU_RESET_CP (1 << 3)
109 #define AMDGPU_RESET_GRBM (1 << 4)
110 #define AMDGPU_RESET_DMA1 (1 << 5)
111 #define AMDGPU_RESET_RLC (1 << 6)
112 #define AMDGPU_RESET_SEM (1 << 7)
113 #define AMDGPU_RESET_IH (1 << 8)
114 #define AMDGPU_RESET_VMC (1 << 9)
115 #define AMDGPU_RESET_MC (1 << 10)
116 #define AMDGPU_RESET_DISPLAY (1 << 11)
117 #define AMDGPU_RESET_UVD (1 << 12)
118 #define AMDGPU_RESET_VCE (1 << 13)
119 #define AMDGPU_RESET_VCE1 (1 << 14)
120
121 /* CG block flags */
122 #define AMDGPU_CG_BLOCK_GFX (1 << 0)
123 #define AMDGPU_CG_BLOCK_MC (1 << 1)
124 #define AMDGPU_CG_BLOCK_SDMA (1 << 2)
125 #define AMDGPU_CG_BLOCK_UVD (1 << 3)
126 #define AMDGPU_CG_BLOCK_VCE (1 << 4)
127 #define AMDGPU_CG_BLOCK_HDP (1 << 5)
128 #define AMDGPU_CG_BLOCK_BIF (1 << 6)
129
130 /* CG flags */
131 #define AMDGPU_CG_SUPPORT_GFX_MGCG (1 << 0)
132 #define AMDGPU_CG_SUPPORT_GFX_MGLS (1 << 1)
133 #define AMDGPU_CG_SUPPORT_GFX_CGCG (1 << 2)
134 #define AMDGPU_CG_SUPPORT_GFX_CGLS (1 << 3)
135 #define AMDGPU_CG_SUPPORT_GFX_CGTS (1 << 4)
136 #define AMDGPU_CG_SUPPORT_GFX_CGTS_LS (1 << 5)
137 #define AMDGPU_CG_SUPPORT_GFX_CP_LS (1 << 6)
138 #define AMDGPU_CG_SUPPORT_GFX_RLC_LS (1 << 7)
139 #define AMDGPU_CG_SUPPORT_MC_LS (1 << 8)
140 #define AMDGPU_CG_SUPPORT_MC_MGCG (1 << 9)
141 #define AMDGPU_CG_SUPPORT_SDMA_LS (1 << 10)
142 #define AMDGPU_CG_SUPPORT_SDMA_MGCG (1 << 11)
143 #define AMDGPU_CG_SUPPORT_BIF_LS (1 << 12)
144 #define AMDGPU_CG_SUPPORT_UVD_MGCG (1 << 13)
145 #define AMDGPU_CG_SUPPORT_VCE_MGCG (1 << 14)
146 #define AMDGPU_CG_SUPPORT_HDP_LS (1 << 15)
147 #define AMDGPU_CG_SUPPORT_HDP_MGCG (1 << 16)
148
149 /* PG flags */
150 #define AMDGPU_PG_SUPPORT_GFX_PG (1 << 0)
151 #define AMDGPU_PG_SUPPORT_GFX_SMG (1 << 1)
152 #define AMDGPU_PG_SUPPORT_GFX_DMG (1 << 2)
153 #define AMDGPU_PG_SUPPORT_UVD (1 << 3)
154 #define AMDGPU_PG_SUPPORT_VCE (1 << 4)
155 #define AMDGPU_PG_SUPPORT_CP (1 << 5)
156 #define AMDGPU_PG_SUPPORT_GDS (1 << 6)
157 #define AMDGPU_PG_SUPPORT_RLC_SMU_HS (1 << 7)
158 #define AMDGPU_PG_SUPPORT_SDMA (1 << 8)
159 #define AMDGPU_PG_SUPPORT_ACP (1 << 9)
160 #define AMDGPU_PG_SUPPORT_SAMU (1 << 10)
161
162 /* GFX current status */
163 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L
164 #define AMDGPU_GFX_SAFE_MODE 0x00000001L
165 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
166 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
167 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
168
169 /* max cursor sizes (in pixels) */
170 #define CIK_CURSOR_WIDTH 128
171 #define CIK_CURSOR_HEIGHT 128
172
173 struct amdgpu_device;
174 struct amdgpu_fence;
175 struct amdgpu_ib;
176 struct amdgpu_vm;
177 struct amdgpu_ring;
178 struct amdgpu_semaphore;
179 struct amdgpu_cs_parser;
180 struct amdgpu_irq_src;
181
182 enum amdgpu_cp_irq {
183 AMDGPU_CP_IRQ_GFX_EOP = 0,
184 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
185 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
186 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
187 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
188 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
189 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
190 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
191 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
192
193 AMDGPU_CP_IRQ_LAST
194 };
195
196 enum amdgpu_sdma_irq {
197 AMDGPU_SDMA_IRQ_TRAP0 = 0,
198 AMDGPU_SDMA_IRQ_TRAP1,
199
200 AMDGPU_SDMA_IRQ_LAST
201 };
202
203 enum amdgpu_thermal_irq {
204 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
205 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
206
207 AMDGPU_THERMAL_IRQ_LAST
208 };
209
210 int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
211 enum amd_ip_block_type block_type,
212 enum amd_clockgating_state state);
213 int amdgpu_set_powergating_state(struct amdgpu_device *adev,
214 enum amd_ip_block_type block_type,
215 enum amd_powergating_state state);
216
217 struct amdgpu_ip_block_version {
218 enum amd_ip_block_type type;
219 u32 major;
220 u32 minor;
221 u32 rev;
222 const struct amd_ip_funcs *funcs;
223 };
224
225 int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
226 enum amd_ip_block_type type,
227 u32 major, u32 minor);
228
229 const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
230 struct amdgpu_device *adev,
231 enum amd_ip_block_type type);
232
233 /* provided by hw blocks that can move/clear data. e.g., gfx or sdma */
234 struct amdgpu_buffer_funcs {
235 /* maximum bytes in a single operation */
236 uint32_t copy_max_bytes;
237
238 /* number of dw to reserve per operation */
239 unsigned copy_num_dw;
240
241 /* used for buffer migration */
242 void (*emit_copy_buffer)(struct amdgpu_ring *ring,
243 /* src addr in bytes */
244 uint64_t src_offset,
245 /* dst addr in bytes */
246 uint64_t dst_offset,
247 /* number of byte to transfer */
248 uint32_t byte_count);
249
250 /* maximum bytes in a single operation */
251 uint32_t fill_max_bytes;
252
253 /* number of dw to reserve per operation */
254 unsigned fill_num_dw;
255
256 /* used for buffer clearing */
257 void (*emit_fill_buffer)(struct amdgpu_ring *ring,
258 /* value to write to memory */
259 uint32_t src_data,
260 /* dst addr in bytes */
261 uint64_t dst_offset,
262 /* number of byte to fill */
263 uint32_t byte_count);
264 };
265
266 /* provided by hw blocks that can write ptes, e.g., sdma */
267 struct amdgpu_vm_pte_funcs {
268 /* copy pte entries from GART */
269 void (*copy_pte)(struct amdgpu_ib *ib,
270 uint64_t pe, uint64_t src,
271 unsigned count);
272 /* write pte one entry at a time with addr mapping */
273 void (*write_pte)(struct amdgpu_ib *ib,
274 uint64_t pe,
275 uint64_t addr, unsigned count,
276 uint32_t incr, uint32_t flags);
277 /* for linear pte/pde updates without addr mapping */
278 void (*set_pte_pde)(struct amdgpu_ib *ib,
279 uint64_t pe,
280 uint64_t addr, unsigned count,
281 uint32_t incr, uint32_t flags);
282 /* pad the indirect buffer to the necessary number of dw */
283 void (*pad_ib)(struct amdgpu_ib *ib);
284 };
285
286 /* provided by the gmc block */
287 struct amdgpu_gart_funcs {
288 /* flush the vm tlb via mmio */
289 void (*flush_gpu_tlb)(struct amdgpu_device *adev,
290 uint32_t vmid);
291 /* write pte/pde updates using the cpu */
292 int (*set_pte_pde)(struct amdgpu_device *adev,
293 void *cpu_pt_addr, /* cpu addr of page table */
294 uint32_t gpu_page_idx, /* pte/pde to update */
295 uint64_t addr, /* addr to write into pte/pde */
296 uint32_t flags); /* access flags */
297 };
298
299 /* provided by the ih block */
300 struct amdgpu_ih_funcs {
301 /* ring read/write ptr handling, called from interrupt context */
302 u32 (*get_wptr)(struct amdgpu_device *adev);
303 void (*decode_iv)(struct amdgpu_device *adev,
304 struct amdgpu_iv_entry *entry);
305 void (*set_rptr)(struct amdgpu_device *adev);
306 };
307
308 /* provided by hw blocks that expose a ring buffer for commands */
309 struct amdgpu_ring_funcs {
310 /* ring read/write ptr handling */
311 u32 (*get_rptr)(struct amdgpu_ring *ring);
312 u32 (*get_wptr)(struct amdgpu_ring *ring);
313 void (*set_wptr)(struct amdgpu_ring *ring);
314 /* validating and patching of IBs */
315 int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
316 /* command emit functions */
317 void (*emit_ib)(struct amdgpu_ring *ring,
318 struct amdgpu_ib *ib);
319 void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
320 uint64_t seq, unsigned flags);
321 bool (*emit_semaphore)(struct amdgpu_ring *ring,
322 struct amdgpu_semaphore *semaphore,
323 bool emit_wait);
324 void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
325 uint64_t pd_addr);
326 void (*emit_hdp_flush)(struct amdgpu_ring *ring);
327 void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
328 uint32_t gds_base, uint32_t gds_size,
329 uint32_t gws_base, uint32_t gws_size,
330 uint32_t oa_base, uint32_t oa_size);
331 /* testing functions */
332 int (*test_ring)(struct amdgpu_ring *ring);
333 int (*test_ib)(struct amdgpu_ring *ring);
334 bool (*is_lockup)(struct amdgpu_ring *ring);
335 };
336
337 /*
338 * BIOS.
339 */
340 bool amdgpu_get_bios(struct amdgpu_device *adev);
341 bool amdgpu_read_bios(struct amdgpu_device *adev);
342
343 /*
344 * Dummy page
345 */
346 struct amdgpu_dummy_page {
347 struct page *page;
348 dma_addr_t addr;
349 };
350 int amdgpu_dummy_page_init(struct amdgpu_device *adev);
351 void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
352
353
354 /*
355 * Clocks
356 */
357
358 #define AMDGPU_MAX_PPLL 3
359
360 struct amdgpu_clock {
361 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
362 struct amdgpu_pll spll;
363 struct amdgpu_pll mpll;
364 /* 10 Khz units */
365 uint32_t default_mclk;
366 uint32_t default_sclk;
367 uint32_t default_dispclk;
368 uint32_t current_dispclk;
369 uint32_t dp_extclk;
370 uint32_t max_pixel_clock;
371 };
372
373 /*
374 * Fences.
375 */
376 struct amdgpu_fence_driver {
377 struct amdgpu_ring *ring;
378 uint64_t gpu_addr;
379 volatile uint32_t *cpu_addr;
380 /* sync_seq is protected by ring emission lock */
381 uint64_t sync_seq[AMDGPU_MAX_RINGS];
382 atomic64_t last_seq;
383 bool initialized;
384 bool delayed_irq;
385 struct amdgpu_irq_src *irq_src;
386 unsigned irq_type;
387 struct delayed_work lockup_work;
388 };
389
390 /* some special values for the owner field */
391 #define AMDGPU_FENCE_OWNER_UNDEFINED ((void*)0ul)
392 #define AMDGPU_FENCE_OWNER_VM ((void*)1ul)
393 #define AMDGPU_FENCE_OWNER_MOVE ((void*)2ul)
394
395 #define AMDGPU_FENCE_FLAG_64BIT (1 << 0)
396 #define AMDGPU_FENCE_FLAG_INT (1 << 1)
397
398 struct amdgpu_fence {
399 struct fence base;
400
401 /* RB, DMA, etc. */
402 struct amdgpu_ring *ring;
403 uint64_t seq;
404
405 /* filp or special value for fence creator */
406 void *owner;
407
408 wait_queue_t fence_wake;
409 };
410
411 struct amdgpu_user_fence {
412 /* write-back bo */
413 struct amdgpu_bo *bo;
414 /* write-back address offset to bo start */
415 uint32_t offset;
416 };
417
418 int amdgpu_fence_driver_init(struct amdgpu_device *adev);
419 void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
420 void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
421
422 void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
423 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
424 struct amdgpu_irq_src *irq_src,
425 unsigned irq_type);
426 int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
427 struct amdgpu_fence **fence);
428 int amdgpu_fence_recreate(struct amdgpu_ring *ring, void *owner,
429 uint64_t seq, struct amdgpu_fence **fence);
430 void amdgpu_fence_process(struct amdgpu_ring *ring);
431 int amdgpu_fence_wait_next(struct amdgpu_ring *ring);
432 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
433 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
434
435 bool amdgpu_fence_signaled(struct amdgpu_fence *fence);
436 int amdgpu_fence_wait(struct amdgpu_fence *fence, bool interruptible);
437 int amdgpu_fence_wait_any(struct amdgpu_device *adev,
438 struct amdgpu_fence **fences,
439 bool intr);
440 struct amdgpu_fence *amdgpu_fence_ref(struct amdgpu_fence *fence);
441 void amdgpu_fence_unref(struct amdgpu_fence **fence);
442
443 bool amdgpu_fence_need_sync(struct amdgpu_fence *fence,
444 struct amdgpu_ring *ring);
445 void amdgpu_fence_note_sync(struct amdgpu_fence *fence,
446 struct amdgpu_ring *ring);
447
448 static inline struct amdgpu_fence *amdgpu_fence_later(struct amdgpu_fence *a,
449 struct amdgpu_fence *b)
450 {
451 if (!a) {
452 return b;
453 }
454
455 if (!b) {
456 return a;
457 }
458
459 BUG_ON(a->ring != b->ring);
460
461 if (a->seq > b->seq) {
462 return a;
463 } else {
464 return b;
465 }
466 }
467
468 static inline bool amdgpu_fence_is_earlier(struct amdgpu_fence *a,
469 struct amdgpu_fence *b)
470 {
471 if (!a) {
472 return false;
473 }
474
475 if (!b) {
476 return true;
477 }
478
479 BUG_ON(a->ring != b->ring);
480
481 return a->seq < b->seq;
482 }
483
484 int amdgpu_user_fence_emit(struct amdgpu_ring *ring, struct amdgpu_user_fence *user,
485 void *owner, struct amdgpu_fence **fence);
486
487 /*
488 * TTM.
489 */
490 struct amdgpu_mman {
491 struct ttm_bo_global_ref bo_global_ref;
492 struct drm_global_reference mem_global_ref;
493 struct ttm_bo_device bdev;
494 bool mem_global_referenced;
495 bool initialized;
496
497 #if defined(CONFIG_DEBUG_FS)
498 struct dentry *vram;
499 struct dentry *gtt;
500 #endif
501
502 /* buffer handling */
503 const struct amdgpu_buffer_funcs *buffer_funcs;
504 struct amdgpu_ring *buffer_funcs_ring;
505 };
506
507 int amdgpu_copy_buffer(struct amdgpu_ring *ring,
508 uint64_t src_offset,
509 uint64_t dst_offset,
510 uint32_t byte_count,
511 struct reservation_object *resv,
512 struct amdgpu_fence **fence);
513 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
514
515 struct amdgpu_bo_list_entry {
516 struct amdgpu_bo *robj;
517 struct ttm_validate_buffer tv;
518 struct amdgpu_bo_va *bo_va;
519 unsigned prefered_domains;
520 unsigned allowed_domains;
521 uint32_t priority;
522 };
523
524 struct amdgpu_bo_va_mapping {
525 struct list_head list;
526 struct interval_tree_node it;
527 uint64_t offset;
528 uint32_t flags;
529 };
530
531 /* bo virtual addresses in a specific vm */
532 struct amdgpu_bo_va {
533 /* protected by bo being reserved */
534 struct list_head bo_list;
535 uint64_t addr;
536 struct amdgpu_fence *last_pt_update;
537 unsigned ref_count;
538
539 /* protected by vm mutex */
540 struct list_head mappings;
541 struct list_head vm_status;
542
543 /* constant after initialization */
544 struct amdgpu_vm *vm;
545 struct amdgpu_bo *bo;
546 };
547
548 #define AMDGPU_GEM_DOMAIN_MAX 0x3
549
550 struct amdgpu_bo {
551 /* Protected by gem.mutex */
552 struct list_head list;
553 /* Protected by tbo.reserved */
554 u32 initial_domain;
555 struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1];
556 struct ttm_placement placement;
557 struct ttm_buffer_object tbo;
558 struct ttm_bo_kmap_obj kmap;
559 u64 flags;
560 unsigned pin_count;
561 void *kptr;
562 u64 tiling_flags;
563 u64 metadata_flags;
564 void *metadata;
565 u32 metadata_size;
566 /* list of all virtual address to which this bo
567 * is associated to
568 */
569 struct list_head va;
570 /* Constant after initialization */
571 struct amdgpu_device *adev;
572 struct drm_gem_object gem_base;
573
574 struct ttm_bo_kmap_obj dma_buf_vmap;
575 pid_t pid;
576 struct amdgpu_mn *mn;
577 struct list_head mn_list;
578 };
579 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
580
581 void amdgpu_gem_object_free(struct drm_gem_object *obj);
582 int amdgpu_gem_object_open(struct drm_gem_object *obj,
583 struct drm_file *file_priv);
584 void amdgpu_gem_object_close(struct drm_gem_object *obj,
585 struct drm_file *file_priv);
586 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
587 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
588 struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
589 struct dma_buf_attachment *attach,
590 struct sg_table *sg);
591 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
592 struct drm_gem_object *gobj,
593 int flags);
594 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
595 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
596 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
597 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
598 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
599 int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
600
601 /* sub-allocation manager, it has to be protected by another lock.
602 * By conception this is an helper for other part of the driver
603 * like the indirect buffer or semaphore, which both have their
604 * locking.
605 *
606 * Principe is simple, we keep a list of sub allocation in offset
607 * order (first entry has offset == 0, last entry has the highest
608 * offset).
609 *
610 * When allocating new object we first check if there is room at
611 * the end total_size - (last_object_offset + last_object_size) >=
612 * alloc_size. If so we allocate new object there.
613 *
614 * When there is not enough room at the end, we start waiting for
615 * each sub object until we reach object_offset+object_size >=
616 * alloc_size, this object then become the sub object we return.
617 *
618 * Alignment can't be bigger than page size.
619 *
620 * Hole are not considered for allocation to keep things simple.
621 * Assumption is that there won't be hole (all object on same
622 * alignment).
623 */
624 struct amdgpu_sa_manager {
625 wait_queue_head_t wq;
626 struct amdgpu_bo *bo;
627 struct list_head *hole;
628 struct list_head flist[AMDGPU_MAX_RINGS];
629 struct list_head olist;
630 unsigned size;
631 uint64_t gpu_addr;
632 void *cpu_ptr;
633 uint32_t domain;
634 uint32_t align;
635 };
636
637 struct amdgpu_sa_bo;
638
639 /* sub-allocation buffer */
640 struct amdgpu_sa_bo {
641 struct list_head olist;
642 struct list_head flist;
643 struct amdgpu_sa_manager *manager;
644 unsigned soffset;
645 unsigned eoffset;
646 struct amdgpu_fence *fence;
647 };
648
649 /*
650 * GEM objects.
651 */
652 struct amdgpu_gem {
653 struct mutex mutex;
654 struct list_head objects;
655 };
656
657 int amdgpu_gem_init(struct amdgpu_device *adev);
658 void amdgpu_gem_fini(struct amdgpu_device *adev);
659 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
660 int alignment, u32 initial_domain,
661 u64 flags, bool kernel,
662 struct drm_gem_object **obj);
663
664 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
665 struct drm_device *dev,
666 struct drm_mode_create_dumb *args);
667 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
668 struct drm_device *dev,
669 uint32_t handle, uint64_t *offset_p);
670
671 /*
672 * Semaphores.
673 */
674 struct amdgpu_semaphore {
675 struct amdgpu_sa_bo *sa_bo;
676 signed waiters;
677 uint64_t gpu_addr;
678 };
679
680 int amdgpu_semaphore_create(struct amdgpu_device *adev,
681 struct amdgpu_semaphore **semaphore);
682 bool amdgpu_semaphore_emit_signal(struct amdgpu_ring *ring,
683 struct amdgpu_semaphore *semaphore);
684 bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring,
685 struct amdgpu_semaphore *semaphore);
686 void amdgpu_semaphore_free(struct amdgpu_device *adev,
687 struct amdgpu_semaphore **semaphore,
688 struct amdgpu_fence *fence);
689
690 /*
691 * Synchronization
692 */
693 struct amdgpu_sync {
694 struct amdgpu_semaphore *semaphores[AMDGPU_NUM_SYNCS];
695 struct amdgpu_fence *sync_to[AMDGPU_MAX_RINGS];
696 struct amdgpu_fence *last_vm_update;
697 };
698
699 void amdgpu_sync_create(struct amdgpu_sync *sync);
700 void amdgpu_sync_fence(struct amdgpu_sync *sync,
701 struct amdgpu_fence *fence);
702 int amdgpu_sync_resv(struct amdgpu_device *adev,
703 struct amdgpu_sync *sync,
704 struct reservation_object *resv,
705 void *owner);
706 int amdgpu_sync_rings(struct amdgpu_sync *sync,
707 struct amdgpu_ring *ring);
708 void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync,
709 struct amdgpu_fence *fence);
710
711 /*
712 * GART structures, functions & helpers
713 */
714 struct amdgpu_mc;
715
716 #define AMDGPU_GPU_PAGE_SIZE 4096
717 #define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
718 #define AMDGPU_GPU_PAGE_SHIFT 12
719 #define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
720
721 struct amdgpu_gart {
722 dma_addr_t table_addr;
723 struct amdgpu_bo *robj;
724 void *ptr;
725 unsigned num_gpu_pages;
726 unsigned num_cpu_pages;
727 unsigned table_size;
728 struct page **pages;
729 dma_addr_t *pages_addr;
730 bool ready;
731 const struct amdgpu_gart_funcs *gart_funcs;
732 };
733
734 int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
735 void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
736 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
737 void amdgpu_gart_table_vram_free(struct amdgpu_device *adev);
738 int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
739 void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
740 int amdgpu_gart_init(struct amdgpu_device *adev);
741 void amdgpu_gart_fini(struct amdgpu_device *adev);
742 void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
743 int pages);
744 int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
745 int pages, struct page **pagelist,
746 dma_addr_t *dma_addr, uint32_t flags);
747
748 /*
749 * GPU MC structures, functions & helpers
750 */
751 struct amdgpu_mc {
752 resource_size_t aper_size;
753 resource_size_t aper_base;
754 resource_size_t agp_base;
755 /* for some chips with <= 32MB we need to lie
756 * about vram size near mc fb location */
757 u64 mc_vram_size;
758 u64 visible_vram_size;
759 u64 gtt_size;
760 u64 gtt_start;
761 u64 gtt_end;
762 u64 vram_start;
763 u64 vram_end;
764 unsigned vram_width;
765 u64 real_vram_size;
766 int vram_mtrr;
767 u64 gtt_base_align;
768 u64 mc_mask;
769 const struct firmware *fw; /* MC firmware */
770 uint32_t fw_version;
771 struct amdgpu_irq_src vm_fault;
772 uint32_t vram_type;
773 };
774
775 /*
776 * GPU doorbell structures, functions & helpers
777 */
778 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
779 {
780 AMDGPU_DOORBELL_KIQ = 0x000,
781 AMDGPU_DOORBELL_HIQ = 0x001,
782 AMDGPU_DOORBELL_DIQ = 0x002,
783 AMDGPU_DOORBELL_MEC_RING0 = 0x010,
784 AMDGPU_DOORBELL_MEC_RING1 = 0x011,
785 AMDGPU_DOORBELL_MEC_RING2 = 0x012,
786 AMDGPU_DOORBELL_MEC_RING3 = 0x013,
787 AMDGPU_DOORBELL_MEC_RING4 = 0x014,
788 AMDGPU_DOORBELL_MEC_RING5 = 0x015,
789 AMDGPU_DOORBELL_MEC_RING6 = 0x016,
790 AMDGPU_DOORBELL_MEC_RING7 = 0x017,
791 AMDGPU_DOORBELL_GFX_RING0 = 0x020,
792 AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
793 AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
794 AMDGPU_DOORBELL_IH = 0x1E8,
795 AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
796 AMDGPU_DOORBELL_INVALID = 0xFFFF
797 } AMDGPU_DOORBELL_ASSIGNMENT;
798
799 struct amdgpu_doorbell {
800 /* doorbell mmio */
801 resource_size_t base;
802 resource_size_t size;
803 u32 __iomem *ptr;
804 u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
805 };
806
807 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
808 phys_addr_t *aperture_base,
809 size_t *aperture_size,
810 size_t *start_offset);
811
812 /*
813 * IRQS.
814 */
815
816 struct amdgpu_flip_work {
817 struct work_struct flip_work;
818 struct work_struct unpin_work;
819 struct amdgpu_device *adev;
820 int crtc_id;
821 uint64_t base;
822 struct drm_pending_vblank_event *event;
823 struct amdgpu_bo *old_rbo;
824 struct fence *fence;
825 };
826
827
828 /*
829 * CP & rings.
830 */
831
832 struct amdgpu_ib {
833 struct amdgpu_sa_bo *sa_bo;
834 uint32_t length_dw;
835 uint64_t gpu_addr;
836 uint32_t *ptr;
837 struct amdgpu_ring *ring;
838 struct amdgpu_fence *fence;
839 struct amdgpu_user_fence *user;
840 struct amdgpu_vm *vm;
841 struct amdgpu_ctx *ctx;
842 struct amdgpu_sync sync;
843 uint32_t gds_base, gds_size;
844 uint32_t gws_base, gws_size;
845 uint32_t oa_base, oa_size;
846 uint32_t flags;
847 };
848
849 enum amdgpu_ring_type {
850 AMDGPU_RING_TYPE_GFX,
851 AMDGPU_RING_TYPE_COMPUTE,
852 AMDGPU_RING_TYPE_SDMA,
853 AMDGPU_RING_TYPE_UVD,
854 AMDGPU_RING_TYPE_VCE
855 };
856
857 struct amdgpu_ring {
858 struct amdgpu_device *adev;
859 const struct amdgpu_ring_funcs *funcs;
860 struct amdgpu_fence_driver fence_drv;
861
862 struct mutex *ring_lock;
863 struct amdgpu_bo *ring_obj;
864 volatile uint32_t *ring;
865 unsigned rptr_offs;
866 u64 next_rptr_gpu_addr;
867 volatile u32 *next_rptr_cpu_addr;
868 unsigned wptr;
869 unsigned wptr_old;
870 unsigned ring_size;
871 unsigned ring_free_dw;
872 int count_dw;
873 atomic_t last_rptr;
874 atomic64_t last_activity;
875 uint64_t gpu_addr;
876 uint32_t align_mask;
877 uint32_t ptr_mask;
878 bool ready;
879 u32 nop;
880 u32 idx;
881 u64 last_semaphore_signal_addr;
882 u64 last_semaphore_wait_addr;
883 u32 me;
884 u32 pipe;
885 u32 queue;
886 struct amdgpu_bo *mqd_obj;
887 u32 doorbell_index;
888 bool use_doorbell;
889 unsigned wptr_offs;
890 unsigned next_rptr_offs;
891 unsigned fence_offs;
892 struct amdgpu_ctx *current_ctx;
893 enum amdgpu_ring_type type;
894 char name[16];
895 };
896
897 /*
898 * VM
899 */
900
901 /* maximum number of VMIDs */
902 #define AMDGPU_NUM_VM 16
903
904 /* number of entries in page table */
905 #define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
906
907 /* PTBs (Page Table Blocks) need to be aligned to 32K */
908 #define AMDGPU_VM_PTB_ALIGN_SIZE 32768
909 #define AMDGPU_VM_PTB_ALIGN_MASK (AMDGPU_VM_PTB_ALIGN_SIZE - 1)
910 #define AMDGPU_VM_PTB_ALIGN(a) (((a) + AMDGPU_VM_PTB_ALIGN_MASK) & ~AMDGPU_VM_PTB_ALIGN_MASK)
911
912 #define AMDGPU_PTE_VALID (1 << 0)
913 #define AMDGPU_PTE_SYSTEM (1 << 1)
914 #define AMDGPU_PTE_SNOOPED (1 << 2)
915
916 /* VI only */
917 #define AMDGPU_PTE_EXECUTABLE (1 << 4)
918
919 #define AMDGPU_PTE_READABLE (1 << 5)
920 #define AMDGPU_PTE_WRITEABLE (1 << 6)
921
922 /* PTE (Page Table Entry) fragment field for different page sizes */
923 #define AMDGPU_PTE_FRAG_4KB (0 << 7)
924 #define AMDGPU_PTE_FRAG_64KB (4 << 7)
925 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
926
927 struct amdgpu_vm_pt {
928 struct amdgpu_bo *bo;
929 uint64_t addr;
930 };
931
932 struct amdgpu_vm_id {
933 unsigned id;
934 uint64_t pd_gpu_addr;
935 /* last flushed PD/PT update */
936 struct amdgpu_fence *flushed_updates;
937 /* last use of vmid */
938 struct amdgpu_fence *last_id_use;
939 };
940
941 struct amdgpu_vm {
942 struct mutex mutex;
943
944 struct rb_root va;
945
946 /* protecting invalidated and freed */
947 spinlock_t status_lock;
948
949 /* BOs moved, but not yet updated in the PT */
950 struct list_head invalidated;
951
952 /* BOs freed, but not yet updated in the PT */
953 struct list_head freed;
954
955 /* contains the page directory */
956 struct amdgpu_bo *page_directory;
957 unsigned max_pde_used;
958
959 /* array of page tables, one for each page directory entry */
960 struct amdgpu_vm_pt *page_tables;
961
962 /* for id and flush management per ring */
963 struct amdgpu_vm_id ids[AMDGPU_MAX_RINGS];
964 };
965
966 struct amdgpu_vm_manager {
967 struct amdgpu_fence *active[AMDGPU_NUM_VM];
968 uint32_t max_pfn;
969 /* number of VMIDs */
970 unsigned nvm;
971 /* vram base address for page table entry */
972 u64 vram_base_offset;
973 /* is vm enabled? */
974 bool enabled;
975 /* for hw to save the PD addr on suspend/resume */
976 uint32_t saved_table_addr[AMDGPU_NUM_VM];
977 /* vm pte handling */
978 const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
979 struct amdgpu_ring *vm_pte_funcs_ring;
980 };
981
982 /*
983 * context related structures
984 */
985
986 struct amdgpu_ctx_state {
987 uint64_t flags;
988 uint32_t hangs;
989 };
990
991 struct amdgpu_ctx {
992 /* call kref_get()before CS start and kref_put() after CS fence signaled */
993 struct kref refcount;
994 struct amdgpu_fpriv *fpriv;
995 struct amdgpu_ctx_state state;
996 uint32_t id;
997 unsigned reset_counter;
998 };
999
1000 struct amdgpu_ctx_mgr {
1001 struct amdgpu_device *adev;
1002 struct idr ctx_handles;
1003 /* lock for IDR system */
1004 struct mutex lock;
1005 };
1006
1007 /*
1008 * file private structure
1009 */
1010
1011 struct amdgpu_fpriv {
1012 struct amdgpu_vm vm;
1013 struct mutex bo_list_lock;
1014 struct idr bo_list_handles;
1015 struct amdgpu_ctx_mgr ctx_mgr;
1016 };
1017
1018 /*
1019 * residency list
1020 */
1021
1022 struct amdgpu_bo_list {
1023 struct mutex lock;
1024 struct amdgpu_bo *gds_obj;
1025 struct amdgpu_bo *gws_obj;
1026 struct amdgpu_bo *oa_obj;
1027 bool has_userptr;
1028 unsigned num_entries;
1029 struct amdgpu_bo_list_entry *array;
1030 };
1031
1032 struct amdgpu_bo_list *
1033 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
1034 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
1035 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
1036
1037 /*
1038 * GFX stuff
1039 */
1040 #include "clearstate_defs.h"
1041
1042 struct amdgpu_rlc {
1043 /* for power gating */
1044 struct amdgpu_bo *save_restore_obj;
1045 uint64_t save_restore_gpu_addr;
1046 volatile uint32_t *sr_ptr;
1047 const u32 *reg_list;
1048 u32 reg_list_size;
1049 /* for clear state */
1050 struct amdgpu_bo *clear_state_obj;
1051 uint64_t clear_state_gpu_addr;
1052 volatile uint32_t *cs_ptr;
1053 const struct cs_section_def *cs_data;
1054 u32 clear_state_size;
1055 /* for cp tables */
1056 struct amdgpu_bo *cp_table_obj;
1057 uint64_t cp_table_gpu_addr;
1058 volatile uint32_t *cp_table_ptr;
1059 u32 cp_table_size;
1060 };
1061
1062 struct amdgpu_mec {
1063 struct amdgpu_bo *hpd_eop_obj;
1064 u64 hpd_eop_gpu_addr;
1065 u32 num_pipe;
1066 u32 num_mec;
1067 u32 num_queue;
1068 };
1069
1070 /*
1071 * GPU scratch registers structures, functions & helpers
1072 */
1073 struct amdgpu_scratch {
1074 unsigned num_reg;
1075 uint32_t reg_base;
1076 bool free[32];
1077 uint32_t reg[32];
1078 };
1079
1080 /*
1081 * GFX configurations
1082 */
1083 struct amdgpu_gca_config {
1084 unsigned max_shader_engines;
1085 unsigned max_tile_pipes;
1086 unsigned max_cu_per_sh;
1087 unsigned max_sh_per_se;
1088 unsigned max_backends_per_se;
1089 unsigned max_texture_channel_caches;
1090 unsigned max_gprs;
1091 unsigned max_gs_threads;
1092 unsigned max_hw_contexts;
1093 unsigned sc_prim_fifo_size_frontend;
1094 unsigned sc_prim_fifo_size_backend;
1095 unsigned sc_hiz_tile_fifo_size;
1096 unsigned sc_earlyz_tile_fifo_size;
1097
1098 unsigned num_tile_pipes;
1099 unsigned backend_enable_mask;
1100 unsigned mem_max_burst_length_bytes;
1101 unsigned mem_row_size_in_kb;
1102 unsigned shader_engine_tile_size;
1103 unsigned num_gpus;
1104 unsigned multi_gpu_tile_size;
1105 unsigned mc_arb_ramcfg;
1106 unsigned gb_addr_config;
1107
1108 uint32_t tile_mode_array[32];
1109 uint32_t macrotile_mode_array[16];
1110 };
1111
1112 struct amdgpu_gfx {
1113 struct mutex gpu_clock_mutex;
1114 struct amdgpu_gca_config config;
1115 struct amdgpu_rlc rlc;
1116 struct amdgpu_mec mec;
1117 struct amdgpu_scratch scratch;
1118 const struct firmware *me_fw; /* ME firmware */
1119 uint32_t me_fw_version;
1120 const struct firmware *pfp_fw; /* PFP firmware */
1121 uint32_t pfp_fw_version;
1122 const struct firmware *ce_fw; /* CE firmware */
1123 uint32_t ce_fw_version;
1124 const struct firmware *rlc_fw; /* RLC firmware */
1125 uint32_t rlc_fw_version;
1126 const struct firmware *mec_fw; /* MEC firmware */
1127 uint32_t mec_fw_version;
1128 const struct firmware *mec2_fw; /* MEC2 firmware */
1129 uint32_t mec2_fw_version;
1130 uint32_t me_feature_version;
1131 uint32_t ce_feature_version;
1132 uint32_t pfp_feature_version;
1133 struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
1134 unsigned num_gfx_rings;
1135 struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
1136 unsigned num_compute_rings;
1137 struct amdgpu_irq_src eop_irq;
1138 struct amdgpu_irq_src priv_reg_irq;
1139 struct amdgpu_irq_src priv_inst_irq;
1140 /* gfx status */
1141 uint32_t gfx_current_status;
1142 /* sync signal for const engine */
1143 unsigned ce_sync_offs;
1144 /* ce ram size*/
1145 unsigned ce_ram_size;
1146 };
1147
1148 int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
1149 unsigned size, struct amdgpu_ib *ib);
1150 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib);
1151 int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
1152 struct amdgpu_ib *ib, void *owner);
1153 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
1154 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
1155 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
1156 /* Ring access between begin & end cannot sleep */
1157 void amdgpu_ring_free_size(struct amdgpu_ring *ring);
1158 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
1159 int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
1160 void amdgpu_ring_commit(struct amdgpu_ring *ring);
1161 void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
1162 void amdgpu_ring_undo(struct amdgpu_ring *ring);
1163 void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
1164 void amdgpu_ring_lockup_update(struct amdgpu_ring *ring);
1165 bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring);
1166 unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
1167 uint32_t **data);
1168 int amdgpu_ring_restore(struct amdgpu_ring *ring,
1169 unsigned size, uint32_t *data);
1170 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
1171 unsigned ring_size, u32 nop, u32 align_mask,
1172 struct amdgpu_irq_src *irq_src, unsigned irq_type,
1173 enum amdgpu_ring_type ring_type);
1174 void amdgpu_ring_fini(struct amdgpu_ring *ring);
1175
1176 /*
1177 * CS.
1178 */
1179 struct amdgpu_cs_chunk {
1180 uint32_t chunk_id;
1181 uint32_t length_dw;
1182 uint32_t *kdata;
1183 void __user *user_ptr;
1184 };
1185
1186 struct amdgpu_cs_parser {
1187 struct amdgpu_device *adev;
1188 struct drm_file *filp;
1189 struct amdgpu_ctx *ctx;
1190 struct amdgpu_bo_list *bo_list;
1191 /* chunks */
1192 unsigned nchunks;
1193 struct amdgpu_cs_chunk *chunks;
1194 /* relocations */
1195 struct amdgpu_bo_list_entry *vm_bos;
1196 struct list_head validated;
1197
1198 struct amdgpu_ib *ibs;
1199 uint32_t num_ibs;
1200
1201 struct ww_acquire_ctx ticket;
1202
1203 /* user fence */
1204 struct amdgpu_user_fence uf;
1205 };
1206
1207 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
1208 {
1209 return p->ibs[ib_idx].ptr[idx];
1210 }
1211
1212 /*
1213 * Writeback
1214 */
1215 #define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1216
1217 struct amdgpu_wb {
1218 struct amdgpu_bo *wb_obj;
1219 volatile uint32_t *wb;
1220 uint64_t gpu_addr;
1221 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
1222 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1223 };
1224
1225 int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
1226 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
1227
1228 /**
1229 * struct amdgpu_pm - power management datas
1230 * It keeps track of various data needed to take powermanagement decision.
1231 */
1232
1233 enum amdgpu_pm_state_type {
1234 /* not used for dpm */
1235 POWER_STATE_TYPE_DEFAULT,
1236 POWER_STATE_TYPE_POWERSAVE,
1237 /* user selectable states */
1238 POWER_STATE_TYPE_BATTERY,
1239 POWER_STATE_TYPE_BALANCED,
1240 POWER_STATE_TYPE_PERFORMANCE,
1241 /* internal states */
1242 POWER_STATE_TYPE_INTERNAL_UVD,
1243 POWER_STATE_TYPE_INTERNAL_UVD_SD,
1244 POWER_STATE_TYPE_INTERNAL_UVD_HD,
1245 POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1246 POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1247 POWER_STATE_TYPE_INTERNAL_BOOT,
1248 POWER_STATE_TYPE_INTERNAL_THERMAL,
1249 POWER_STATE_TYPE_INTERNAL_ACPI,
1250 POWER_STATE_TYPE_INTERNAL_ULV,
1251 POWER_STATE_TYPE_INTERNAL_3DPERF,
1252 };
1253
1254 enum amdgpu_int_thermal_type {
1255 THERMAL_TYPE_NONE,
1256 THERMAL_TYPE_EXTERNAL,
1257 THERMAL_TYPE_EXTERNAL_GPIO,
1258 THERMAL_TYPE_RV6XX,
1259 THERMAL_TYPE_RV770,
1260 THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1261 THERMAL_TYPE_EVERGREEN,
1262 THERMAL_TYPE_SUMO,
1263 THERMAL_TYPE_NI,
1264 THERMAL_TYPE_SI,
1265 THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1266 THERMAL_TYPE_CI,
1267 THERMAL_TYPE_KV,
1268 };
1269
1270 enum amdgpu_dpm_auto_throttle_src {
1271 AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
1272 AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1273 };
1274
1275 enum amdgpu_dpm_event_src {
1276 AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
1277 AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
1278 AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
1279 AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1280 AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1281 };
1282
1283 #define AMDGPU_MAX_VCE_LEVELS 6
1284
1285 enum amdgpu_vce_level {
1286 AMDGPU_VCE_LEVEL_AC_ALL = 0, /* AC, All cases */
1287 AMDGPU_VCE_LEVEL_DC_EE = 1, /* DC, entropy encoding */
1288 AMDGPU_VCE_LEVEL_DC_LL_LOW = 2, /* DC, low latency queue, res <= 720 */
1289 AMDGPU_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1290 AMDGPU_VCE_LEVEL_DC_GP_LOW = 4, /* DC, general purpose queue, res <= 720 */
1291 AMDGPU_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1292 };
1293
1294 struct amdgpu_ps {
1295 u32 caps; /* vbios flags */
1296 u32 class; /* vbios flags */
1297 u32 class2; /* vbios flags */
1298 /* UVD clocks */
1299 u32 vclk;
1300 u32 dclk;
1301 /* VCE clocks */
1302 u32 evclk;
1303 u32 ecclk;
1304 bool vce_active;
1305 enum amdgpu_vce_level vce_level;
1306 /* asic priv */
1307 void *ps_priv;
1308 };
1309
1310 struct amdgpu_dpm_thermal {
1311 /* thermal interrupt work */
1312 struct work_struct work;
1313 /* low temperature threshold */
1314 int min_temp;
1315 /* high temperature threshold */
1316 int max_temp;
1317 /* was last interrupt low to high or high to low */
1318 bool high_to_low;
1319 /* interrupt source */
1320 struct amdgpu_irq_src irq;
1321 };
1322
1323 enum amdgpu_clk_action
1324 {
1325 AMDGPU_SCLK_UP = 1,
1326 AMDGPU_SCLK_DOWN
1327 };
1328
1329 struct amdgpu_blacklist_clocks
1330 {
1331 u32 sclk;
1332 u32 mclk;
1333 enum amdgpu_clk_action action;
1334 };
1335
1336 struct amdgpu_clock_and_voltage_limits {
1337 u32 sclk;
1338 u32 mclk;
1339 u16 vddc;
1340 u16 vddci;
1341 };
1342
1343 struct amdgpu_clock_array {
1344 u32 count;
1345 u32 *values;
1346 };
1347
1348 struct amdgpu_clock_voltage_dependency_entry {
1349 u32 clk;
1350 u16 v;
1351 };
1352
1353 struct amdgpu_clock_voltage_dependency_table {
1354 u32 count;
1355 struct amdgpu_clock_voltage_dependency_entry *entries;
1356 };
1357
1358 union amdgpu_cac_leakage_entry {
1359 struct {
1360 u16 vddc;
1361 u32 leakage;
1362 };
1363 struct {
1364 u16 vddc1;
1365 u16 vddc2;
1366 u16 vddc3;
1367 };
1368 };
1369
1370 struct amdgpu_cac_leakage_table {
1371 u32 count;
1372 union amdgpu_cac_leakage_entry *entries;
1373 };
1374
1375 struct amdgpu_phase_shedding_limits_entry {
1376 u16 voltage;
1377 u32 sclk;
1378 u32 mclk;
1379 };
1380
1381 struct amdgpu_phase_shedding_limits_table {
1382 u32 count;
1383 struct amdgpu_phase_shedding_limits_entry *entries;
1384 };
1385
1386 struct amdgpu_uvd_clock_voltage_dependency_entry {
1387 u32 vclk;
1388 u32 dclk;
1389 u16 v;
1390 };
1391
1392 struct amdgpu_uvd_clock_voltage_dependency_table {
1393 u8 count;
1394 struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
1395 };
1396
1397 struct amdgpu_vce_clock_voltage_dependency_entry {
1398 u32 ecclk;
1399 u32 evclk;
1400 u16 v;
1401 };
1402
1403 struct amdgpu_vce_clock_voltage_dependency_table {
1404 u8 count;
1405 struct amdgpu_vce_clock_voltage_dependency_entry *entries;
1406 };
1407
1408 struct amdgpu_ppm_table {
1409 u8 ppm_design;
1410 u16 cpu_core_number;
1411 u32 platform_tdp;
1412 u32 small_ac_platform_tdp;
1413 u32 platform_tdc;
1414 u32 small_ac_platform_tdc;
1415 u32 apu_tdp;
1416 u32 dgpu_tdp;
1417 u32 dgpu_ulv_power;
1418 u32 tj_max;
1419 };
1420
1421 struct amdgpu_cac_tdp_table {
1422 u16 tdp;
1423 u16 configurable_tdp;
1424 u16 tdc;
1425 u16 battery_power_limit;
1426 u16 small_power_limit;
1427 u16 low_cac_leakage;
1428 u16 high_cac_leakage;
1429 u16 maximum_power_delivery_limit;
1430 };
1431
1432 struct amdgpu_dpm_dynamic_state {
1433 struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
1434 struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
1435 struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
1436 struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1437 struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1438 struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1439 struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1440 struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1441 struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1442 struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
1443 struct amdgpu_clock_array valid_sclk_values;
1444 struct amdgpu_clock_array valid_mclk_values;
1445 struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
1446 struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
1447 u32 mclk_sclk_ratio;
1448 u32 sclk_mclk_delta;
1449 u16 vddc_vddci_delta;
1450 u16 min_vddc_for_pcie_gen2;
1451 struct amdgpu_cac_leakage_table cac_leakage_table;
1452 struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
1453 struct amdgpu_ppm_table *ppm_table;
1454 struct amdgpu_cac_tdp_table *cac_tdp_table;
1455 };
1456
1457 struct amdgpu_dpm_fan {
1458 u16 t_min;
1459 u16 t_med;
1460 u16 t_high;
1461 u16 pwm_min;
1462 u16 pwm_med;
1463 u16 pwm_high;
1464 u8 t_hyst;
1465 u32 cycle_delay;
1466 u16 t_max;
1467 u8 control_mode;
1468 u16 default_max_fan_pwm;
1469 u16 default_fan_output_sensitivity;
1470 u16 fan_output_sensitivity;
1471 bool ucode_fan_control;
1472 };
1473
1474 enum amdgpu_pcie_gen {
1475 AMDGPU_PCIE_GEN1 = 0,
1476 AMDGPU_PCIE_GEN2 = 1,
1477 AMDGPU_PCIE_GEN3 = 2,
1478 AMDGPU_PCIE_GEN_INVALID = 0xffff
1479 };
1480
1481 enum amdgpu_dpm_forced_level {
1482 AMDGPU_DPM_FORCED_LEVEL_AUTO = 0,
1483 AMDGPU_DPM_FORCED_LEVEL_LOW = 1,
1484 AMDGPU_DPM_FORCED_LEVEL_HIGH = 2,
1485 };
1486
1487 struct amdgpu_vce_state {
1488 /* vce clocks */
1489 u32 evclk;
1490 u32 ecclk;
1491 /* gpu clocks */
1492 u32 sclk;
1493 u32 mclk;
1494 u8 clk_idx;
1495 u8 pstate;
1496 };
1497
1498 struct amdgpu_dpm_funcs {
1499 int (*get_temperature)(struct amdgpu_device *adev);
1500 int (*pre_set_power_state)(struct amdgpu_device *adev);
1501 int (*set_power_state)(struct amdgpu_device *adev);
1502 void (*post_set_power_state)(struct amdgpu_device *adev);
1503 void (*display_configuration_changed)(struct amdgpu_device *adev);
1504 u32 (*get_sclk)(struct amdgpu_device *adev, bool low);
1505 u32 (*get_mclk)(struct amdgpu_device *adev, bool low);
1506 void (*print_power_state)(struct amdgpu_device *adev, struct amdgpu_ps *ps);
1507 void (*debugfs_print_current_performance_level)(struct amdgpu_device *adev, struct seq_file *m);
1508 int (*force_performance_level)(struct amdgpu_device *adev, enum amdgpu_dpm_forced_level level);
1509 bool (*vblank_too_short)(struct amdgpu_device *adev);
1510 void (*powergate_uvd)(struct amdgpu_device *adev, bool gate);
1511 void (*powergate_vce)(struct amdgpu_device *adev, bool gate);
1512 void (*enable_bapm)(struct amdgpu_device *adev, bool enable);
1513 void (*set_fan_control_mode)(struct amdgpu_device *adev, u32 mode);
1514 u32 (*get_fan_control_mode)(struct amdgpu_device *adev);
1515 int (*set_fan_speed_percent)(struct amdgpu_device *adev, u32 speed);
1516 int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed);
1517 };
1518
1519 struct amdgpu_dpm {
1520 struct amdgpu_ps *ps;
1521 /* number of valid power states */
1522 int num_ps;
1523 /* current power state that is active */
1524 struct amdgpu_ps *current_ps;
1525 /* requested power state */
1526 struct amdgpu_ps *requested_ps;
1527 /* boot up power state */
1528 struct amdgpu_ps *boot_ps;
1529 /* default uvd power state */
1530 struct amdgpu_ps *uvd_ps;
1531 /* vce requirements */
1532 struct amdgpu_vce_state vce_states[AMDGPU_MAX_VCE_LEVELS];
1533 enum amdgpu_vce_level vce_level;
1534 enum amdgpu_pm_state_type state;
1535 enum amdgpu_pm_state_type user_state;
1536 u32 platform_caps;
1537 u32 voltage_response_time;
1538 u32 backbias_response_time;
1539 void *priv;
1540 u32 new_active_crtcs;
1541 int new_active_crtc_count;
1542 u32 current_active_crtcs;
1543 int current_active_crtc_count;
1544 struct amdgpu_dpm_dynamic_state dyn_state;
1545 struct amdgpu_dpm_fan fan;
1546 u32 tdp_limit;
1547 u32 near_tdp_limit;
1548 u32 near_tdp_limit_adjusted;
1549 u32 sq_ramping_threshold;
1550 u32 cac_leakage;
1551 u16 tdp_od_limit;
1552 u32 tdp_adjustment;
1553 u16 load_line_slope;
1554 bool power_control;
1555 bool ac_power;
1556 /* special states active */
1557 bool thermal_active;
1558 bool uvd_active;
1559 bool vce_active;
1560 /* thermal handling */
1561 struct amdgpu_dpm_thermal thermal;
1562 /* forced levels */
1563 enum amdgpu_dpm_forced_level forced_level;
1564 };
1565
1566 struct amdgpu_pm {
1567 struct mutex mutex;
1568 u32 current_sclk;
1569 u32 current_mclk;
1570 u32 default_sclk;
1571 u32 default_mclk;
1572 struct amdgpu_i2c_chan *i2c_bus;
1573 /* internal thermal controller on rv6xx+ */
1574 enum amdgpu_int_thermal_type int_thermal_type;
1575 struct device *int_hwmon_dev;
1576 /* fan control parameters */
1577 bool no_fan;
1578 u8 fan_pulses_per_revolution;
1579 u8 fan_min_rpm;
1580 u8 fan_max_rpm;
1581 /* dpm */
1582 bool dpm_enabled;
1583 struct amdgpu_dpm dpm;
1584 const struct firmware *fw; /* SMC firmware */
1585 uint32_t fw_version;
1586 const struct amdgpu_dpm_funcs *funcs;
1587 };
1588
1589 /*
1590 * UVD
1591 */
1592 #define AMDGPU_MAX_UVD_HANDLES 10
1593 #define AMDGPU_UVD_STACK_SIZE (1024*1024)
1594 #define AMDGPU_UVD_HEAP_SIZE (1024*1024)
1595 #define AMDGPU_UVD_FIRMWARE_OFFSET 256
1596
1597 struct amdgpu_uvd {
1598 struct amdgpu_bo *vcpu_bo;
1599 void *cpu_addr;
1600 uint64_t gpu_addr;
1601 void *saved_bo;
1602 atomic_t handles[AMDGPU_MAX_UVD_HANDLES];
1603 struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES];
1604 struct delayed_work idle_work;
1605 const struct firmware *fw; /* UVD firmware */
1606 struct amdgpu_ring ring;
1607 struct amdgpu_irq_src irq;
1608 bool address_64_bit;
1609 };
1610
1611 /*
1612 * VCE
1613 */
1614 #define AMDGPU_MAX_VCE_HANDLES 16
1615 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
1616
1617 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
1618 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
1619
1620 struct amdgpu_vce {
1621 struct amdgpu_bo *vcpu_bo;
1622 uint64_t gpu_addr;
1623 unsigned fw_version;
1624 unsigned fb_version;
1625 atomic_t handles[AMDGPU_MAX_VCE_HANDLES];
1626 struct drm_file *filp[AMDGPU_MAX_VCE_HANDLES];
1627 uint32_t img_size[AMDGPU_MAX_VCE_HANDLES];
1628 struct delayed_work idle_work;
1629 const struct firmware *fw; /* VCE firmware */
1630 struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS];
1631 struct amdgpu_irq_src irq;
1632 unsigned harvest_config;
1633 };
1634
1635 /*
1636 * SDMA
1637 */
1638 struct amdgpu_sdma {
1639 /* SDMA firmware */
1640 const struct firmware *fw;
1641 uint32_t fw_version;
1642
1643 struct amdgpu_ring ring;
1644 };
1645
1646 /*
1647 * Firmware
1648 */
1649 struct amdgpu_firmware {
1650 struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1651 bool smu_load;
1652 struct amdgpu_bo *fw_buf;
1653 unsigned int fw_size;
1654 };
1655
1656 /*
1657 * Benchmarking
1658 */
1659 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1660
1661
1662 /*
1663 * Testing
1664 */
1665 void amdgpu_test_moves(struct amdgpu_device *adev);
1666 void amdgpu_test_ring_sync(struct amdgpu_device *adev,
1667 struct amdgpu_ring *cpA,
1668 struct amdgpu_ring *cpB);
1669 void amdgpu_test_syncing(struct amdgpu_device *adev);
1670
1671 /*
1672 * MMU Notifier
1673 */
1674 #if defined(CONFIG_MMU_NOTIFIER)
1675 int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
1676 void amdgpu_mn_unregister(struct amdgpu_bo *bo);
1677 #else
1678 static int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
1679 {
1680 return -ENODEV;
1681 }
1682 static void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
1683 #endif
1684
1685 /*
1686 * Debugfs
1687 */
1688 struct amdgpu_debugfs {
1689 struct drm_info_list *files;
1690 unsigned num_files;
1691 };
1692
1693 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
1694 struct drm_info_list *files,
1695 unsigned nfiles);
1696 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
1697
1698 #if defined(CONFIG_DEBUG_FS)
1699 int amdgpu_debugfs_init(struct drm_minor *minor);
1700 void amdgpu_debugfs_cleanup(struct drm_minor *minor);
1701 #endif
1702
1703 /*
1704 * amdgpu smumgr functions
1705 */
1706 struct amdgpu_smumgr_funcs {
1707 int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1708 int (*request_smu_load_fw)(struct amdgpu_device *adev);
1709 int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1710 };
1711
1712 /*
1713 * amdgpu smumgr
1714 */
1715 struct amdgpu_smumgr {
1716 struct amdgpu_bo *toc_buf;
1717 struct amdgpu_bo *smu_buf;
1718 /* asic priv smu data */
1719 void *priv;
1720 spinlock_t smu_lock;
1721 /* smumgr functions */
1722 const struct amdgpu_smumgr_funcs *smumgr_funcs;
1723 /* ucode loading complete flag */
1724 uint32_t fw_flags;
1725 };
1726
1727 /*
1728 * ASIC specific register table accessible by UMD
1729 */
1730 struct amdgpu_allowed_register_entry {
1731 uint32_t reg_offset;
1732 bool untouched;
1733 bool grbm_indexed;
1734 };
1735
1736 struct amdgpu_cu_info {
1737 uint32_t number; /* total active CU number */
1738 uint32_t ao_cu_mask;
1739 uint32_t bitmap[4][4];
1740 };
1741
1742
1743 /*
1744 * ASIC specific functions.
1745 */
1746 struct amdgpu_asic_funcs {
1747 bool (*read_disabled_bios)(struct amdgpu_device *adev);
1748 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1749 u32 sh_num, u32 reg_offset, u32 *value);
1750 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1751 int (*reset)(struct amdgpu_device *adev);
1752 /* wait for mc_idle */
1753 int (*wait_for_mc_idle)(struct amdgpu_device *adev);
1754 /* get the reference clock */
1755 u32 (*get_xclk)(struct amdgpu_device *adev);
1756 /* get the gpu clock counter */
1757 uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
1758 int (*get_cu_info)(struct amdgpu_device *adev, struct amdgpu_cu_info *info);
1759 /* MM block clocks */
1760 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1761 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1762 };
1763
1764 /*
1765 * IOCTL.
1766 */
1767 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1768 struct drm_file *filp);
1769 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1770 struct drm_file *filp);
1771
1772 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1773 struct drm_file *filp);
1774 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1775 struct drm_file *filp);
1776 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1777 struct drm_file *filp);
1778 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1779 struct drm_file *filp);
1780 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1781 struct drm_file *filp);
1782 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1783 struct drm_file *filp);
1784 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1785 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1786
1787 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1788 struct drm_file *filp);
1789
1790 /* VRAM scratch page for HDP bug, default vram page */
1791 struct amdgpu_vram_scratch {
1792 struct amdgpu_bo *robj;
1793 volatile uint32_t *ptr;
1794 u64 gpu_addr;
1795 };
1796
1797 /*
1798 * ACPI
1799 */
1800 struct amdgpu_atif_notification_cfg {
1801 bool enabled;
1802 int command_code;
1803 };
1804
1805 struct amdgpu_atif_notifications {
1806 bool display_switch;
1807 bool expansion_mode_change;
1808 bool thermal_state;
1809 bool forced_power_state;
1810 bool system_power_state;
1811 bool display_conf_change;
1812 bool px_gfx_switch;
1813 bool brightness_change;
1814 bool dgpu_display_event;
1815 };
1816
1817 struct amdgpu_atif_functions {
1818 bool system_params;
1819 bool sbios_requests;
1820 bool select_active_disp;
1821 bool lid_state;
1822 bool get_tv_standard;
1823 bool set_tv_standard;
1824 bool get_panel_expansion_mode;
1825 bool set_panel_expansion_mode;
1826 bool temperature_change;
1827 bool graphics_device_types;
1828 };
1829
1830 struct amdgpu_atif {
1831 struct amdgpu_atif_notifications notifications;
1832 struct amdgpu_atif_functions functions;
1833 struct amdgpu_atif_notification_cfg notification_cfg;
1834 struct amdgpu_encoder *encoder_for_bl;
1835 };
1836
1837 struct amdgpu_atcs_functions {
1838 bool get_ext_state;
1839 bool pcie_perf_req;
1840 bool pcie_dev_rdy;
1841 bool pcie_bus_width;
1842 };
1843
1844 struct amdgpu_atcs {
1845 struct amdgpu_atcs_functions functions;
1846 };
1847
1848 int amdgpu_ctx_alloc(struct amdgpu_device *adev,struct amdgpu_fpriv *fpriv,
1849 uint32_t *id,uint32_t flags);
1850 int amdgpu_ctx_free(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
1851 uint32_t id);
1852
1853 void amdgpu_ctx_fini(struct amdgpu_fpriv *fpriv);
1854 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
1855 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
1856
1857 extern int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
1858 struct drm_file *filp);
1859
1860 /*
1861 * Core structure, functions and helpers.
1862 */
1863 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1864 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1865
1866 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1867 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1868
1869 struct amdgpu_ip_block_status {
1870 bool valid;
1871 bool sw;
1872 bool hw;
1873 };
1874
1875 struct amdgpu_device {
1876 struct device *dev;
1877 struct drm_device *ddev;
1878 struct pci_dev *pdev;
1879 struct rw_semaphore exclusive_lock;
1880
1881 /* ASIC */
1882 enum amdgpu_asic_type asic_type;
1883 uint32_t family;
1884 uint32_t rev_id;
1885 uint32_t external_rev_id;
1886 unsigned long flags;
1887 int usec_timeout;
1888 const struct amdgpu_asic_funcs *asic_funcs;
1889 bool shutdown;
1890 bool suspend;
1891 bool need_dma32;
1892 bool accel_working;
1893 bool needs_reset;
1894 struct work_struct reset_work;
1895 struct notifier_block acpi_nb;
1896 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
1897 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1898 unsigned debugfs_count;
1899 #if defined(CONFIG_DEBUG_FS)
1900 struct dentry *debugfs_regs;
1901 #endif
1902 struct amdgpu_atif atif;
1903 struct amdgpu_atcs atcs;
1904 struct mutex srbm_mutex;
1905 /* GRBM index mutex. Protects concurrent access to GRBM index */
1906 struct mutex grbm_idx_mutex;
1907 struct dev_pm_domain vga_pm_domain;
1908 bool have_disp_power_ref;
1909
1910 /* BIOS */
1911 uint8_t *bios;
1912 bool is_atom_bios;
1913 uint16_t bios_header_start;
1914 struct amdgpu_bo *stollen_vga_memory;
1915 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1916
1917 /* Register/doorbell mmio */
1918 resource_size_t rmmio_base;
1919 resource_size_t rmmio_size;
1920 void __iomem *rmmio;
1921 /* protects concurrent MM_INDEX/DATA based register access */
1922 spinlock_t mmio_idx_lock;
1923 /* protects concurrent SMC based register access */
1924 spinlock_t smc_idx_lock;
1925 amdgpu_rreg_t smc_rreg;
1926 amdgpu_wreg_t smc_wreg;
1927 /* protects concurrent PCIE register access */
1928 spinlock_t pcie_idx_lock;
1929 amdgpu_rreg_t pcie_rreg;
1930 amdgpu_wreg_t pcie_wreg;
1931 /* protects concurrent UVD register access */
1932 spinlock_t uvd_ctx_idx_lock;
1933 amdgpu_rreg_t uvd_ctx_rreg;
1934 amdgpu_wreg_t uvd_ctx_wreg;
1935 /* protects concurrent DIDT register access */
1936 spinlock_t didt_idx_lock;
1937 amdgpu_rreg_t didt_rreg;
1938 amdgpu_wreg_t didt_wreg;
1939 /* protects concurrent ENDPOINT (audio) register access */
1940 spinlock_t audio_endpt_idx_lock;
1941 amdgpu_block_rreg_t audio_endpt_rreg;
1942 amdgpu_block_wreg_t audio_endpt_wreg;
1943 void __iomem *rio_mem;
1944 resource_size_t rio_mem_size;
1945 struct amdgpu_doorbell doorbell;
1946
1947 /* clock/pll info */
1948 struct amdgpu_clock clock;
1949
1950 /* MC */
1951 struct amdgpu_mc mc;
1952 struct amdgpu_gart gart;
1953 struct amdgpu_dummy_page dummy_page;
1954 struct amdgpu_vm_manager vm_manager;
1955
1956 /* memory management */
1957 struct amdgpu_mman mman;
1958 struct amdgpu_gem gem;
1959 struct amdgpu_vram_scratch vram_scratch;
1960 struct amdgpu_wb wb;
1961 atomic64_t vram_usage;
1962 atomic64_t vram_vis_usage;
1963 atomic64_t gtt_usage;
1964 atomic64_t num_bytes_moved;
1965 atomic_t gpu_reset_counter;
1966
1967 /* display */
1968 struct amdgpu_mode_info mode_info;
1969 struct work_struct hotplug_work;
1970 struct amdgpu_irq_src crtc_irq;
1971 struct amdgpu_irq_src pageflip_irq;
1972 struct amdgpu_irq_src hpd_irq;
1973
1974 /* rings */
1975 wait_queue_head_t fence_queue;
1976 unsigned fence_context;
1977 struct mutex ring_lock;
1978 unsigned num_rings;
1979 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
1980 bool ib_pool_ready;
1981 struct amdgpu_sa_manager ring_tmp_bo;
1982
1983 /* interrupts */
1984 struct amdgpu_irq irq;
1985
1986 /* dpm */
1987 struct amdgpu_pm pm;
1988 u32 cg_flags;
1989 u32 pg_flags;
1990
1991 /* amdgpu smumgr */
1992 struct amdgpu_smumgr smu;
1993
1994 /* gfx */
1995 struct amdgpu_gfx gfx;
1996
1997 /* sdma */
1998 struct amdgpu_sdma sdma[2];
1999 struct amdgpu_irq_src sdma_trap_irq;
2000 struct amdgpu_irq_src sdma_illegal_inst_irq;
2001
2002 /* uvd */
2003 bool has_uvd;
2004 struct amdgpu_uvd uvd;
2005
2006 /* vce */
2007 struct amdgpu_vce vce;
2008
2009 /* firmwares */
2010 struct amdgpu_firmware firmware;
2011
2012 /* GDS */
2013 struct amdgpu_gds gds;
2014
2015 const struct amdgpu_ip_block_version *ip_blocks;
2016 int num_ip_blocks;
2017 struct amdgpu_ip_block_status *ip_block_status;
2018 struct mutex mn_lock;
2019 DECLARE_HASHTABLE(mn_hash, 7);
2020
2021 /* tracking pinned memory */
2022 u64 vram_pin_size;
2023 u64 gart_pin_size;
2024 };
2025
2026 bool amdgpu_device_is_px(struct drm_device *dev);
2027 int amdgpu_device_init(struct amdgpu_device *adev,
2028 struct drm_device *ddev,
2029 struct pci_dev *pdev,
2030 uint32_t flags);
2031 void amdgpu_device_fini(struct amdgpu_device *adev);
2032 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
2033
2034 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
2035 bool always_indirect);
2036 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
2037 bool always_indirect);
2038 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
2039 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
2040
2041 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
2042 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
2043
2044 /*
2045 * Cast helper
2046 */
2047 extern const struct fence_ops amdgpu_fence_ops;
2048 static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
2049 {
2050 struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
2051
2052 if (__f->base.ops == &amdgpu_fence_ops)
2053 return __f;
2054
2055 return NULL;
2056 }
2057
2058 /*
2059 * Registers read & write functions.
2060 */
2061 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
2062 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
2063 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
2064 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
2065 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
2066 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2067 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2068 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
2069 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
2070 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
2071 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
2072 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
2073 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
2074 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
2075 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
2076 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
2077 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
2078 #define WREG32_P(reg, val, mask) \
2079 do { \
2080 uint32_t tmp_ = RREG32(reg); \
2081 tmp_ &= (mask); \
2082 tmp_ |= ((val) & ~(mask)); \
2083 WREG32(reg, tmp_); \
2084 } while (0)
2085 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2086 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2087 #define WREG32_PLL_P(reg, val, mask) \
2088 do { \
2089 uint32_t tmp_ = RREG32_PLL(reg); \
2090 tmp_ &= (mask); \
2091 tmp_ |= ((val) & ~(mask)); \
2092 WREG32_PLL(reg, tmp_); \
2093 } while (0)
2094 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
2095 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
2096 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
2097
2098 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
2099 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
2100
2101 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
2102 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
2103
2104 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
2105 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
2106 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
2107
2108 #define REG_GET_FIELD(value, reg, field) \
2109 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
2110
2111 /*
2112 * BIOS helpers.
2113 */
2114 #define RBIOS8(i) (adev->bios[i])
2115 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2116 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2117
2118 /*
2119 * RING helpers.
2120 */
2121 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
2122 {
2123 if (ring->count_dw <= 0)
2124 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
2125 ring->ring[ring->wptr++] = v;
2126 ring->wptr &= ring->ptr_mask;
2127 ring->count_dw--;
2128 ring->ring_free_dw--;
2129 }
2130
2131 /*
2132 * ASICs macro.
2133 */
2134 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
2135 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
2136 #define amdgpu_asic_wait_for_mc_idle(adev) (adev)->asic_funcs->wait_for_mc_idle((adev))
2137 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
2138 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
2139 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
2140 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
2141 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
2142 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
2143 #define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))
2144 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
2145 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
2146 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
2147 #define amdgpu_vm_write_pte(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (addr), (count), (incr), (flags)))
2148 #define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags)))
2149 #define amdgpu_vm_pad_ib(adev, ib) ((adev)->vm_manager.vm_pte_funcs->pad_ib((ib)))
2150 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
2151 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
2152 #define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
2153 #define amdgpu_ring_is_lockup(r) (r)->funcs->is_lockup((r))
2154 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
2155 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
2156 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
2157 #define amdgpu_ring_emit_ib(r, ib) (r)->funcs->emit_ib((r), (ib))
2158 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
2159 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
2160 #define amdgpu_ring_emit_semaphore(r, semaphore, emit_wait) (r)->funcs->emit_semaphore((r), (semaphore), (emit_wait))
2161 #define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as))
2162 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
2163 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
2164 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
2165 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
2166 #define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
2167 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
2168 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
2169 #define amdgpu_display_is_display_hung(adev) (adev)->mode_info.funcs->is_display_hung((adev))
2170 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
2171 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
2172 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
2173 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
2174 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
2175 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
2176 #define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
2177 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
2178 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
2179 #define amdgpu_display_add_connector(adev, ci, sd, ct, ib, coi, h, r) (adev)->mode_info.funcs->add_connector((adev), (ci), (sd), (ct), (ib), (coi), (h), (r))
2180 #define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
2181 #define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
2182 #define amdgpu_emit_copy_buffer(adev, r, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((r), (s), (d), (b))
2183 #define amdgpu_emit_fill_buffer(adev, r, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((r), (s), (d), (b))
2184 #define amdgpu_dpm_get_temperature(adev) (adev)->pm.funcs->get_temperature((adev))
2185 #define amdgpu_dpm_pre_set_power_state(adev) (adev)->pm.funcs->pre_set_power_state((adev))
2186 #define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
2187 #define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
2188 #define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
2189 #define amdgpu_dpm_get_sclk(adev, l) (adev)->pm.funcs->get_sclk((adev), (l))
2190 #define amdgpu_dpm_get_mclk(adev, l) (adev)->pm.funcs->get_mclk((adev), (l))
2191 #define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
2192 #define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
2193 #define amdgpu_dpm_force_performance_level(adev, l) (adev)->pm.funcs->force_performance_level((adev), (l))
2194 #define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
2195 #define amdgpu_dpm_powergate_uvd(adev, g) (adev)->pm.funcs->powergate_uvd((adev), (g))
2196 #define amdgpu_dpm_powergate_vce(adev, g) (adev)->pm.funcs->powergate_vce((adev), (g))
2197 #define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
2198 #define amdgpu_dpm_set_fan_control_mode(adev, m) (adev)->pm.funcs->set_fan_control_mode((adev), (m))
2199 #define amdgpu_dpm_get_fan_control_mode(adev) (adev)->pm.funcs->get_fan_control_mode((adev))
2200 #define amdgpu_dpm_set_fan_speed_percent(adev, s) (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
2201 #define amdgpu_dpm_get_fan_speed_percent(adev, s) (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
2202
2203 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
2204
2205 /* Common functions */
2206 int amdgpu_gpu_reset(struct amdgpu_device *adev);
2207 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
2208 bool amdgpu_card_posted(struct amdgpu_device *adev);
2209 void amdgpu_update_display_priority(struct amdgpu_device *adev);
2210 bool amdgpu_boot_test_post_card(struct amdgpu_device *adev);
2211 int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
2212 int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
2213 u32 ip_instance, u32 ring,
2214 struct amdgpu_ring **out_ring);
2215 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain);
2216 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
2217 int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
2218 uint32_t flags);
2219 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
2220 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
2221 uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
2222 struct ttm_mem_reg *mem);
2223 void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
2224 void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
2225 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
2226 void amdgpu_program_register_sequence(struct amdgpu_device *adev,
2227 const u32 *registers,
2228 const u32 array_size);
2229
2230 bool amdgpu_device_is_px(struct drm_device *dev);
2231 /* atpx handler */
2232 #if defined(CONFIG_VGA_SWITCHEROO)
2233 void amdgpu_register_atpx_handler(void);
2234 void amdgpu_unregister_atpx_handler(void);
2235 #else
2236 static inline void amdgpu_register_atpx_handler(void) {}
2237 static inline void amdgpu_unregister_atpx_handler(void) {}
2238 #endif
2239
2240 /*
2241 * KMS
2242 */
2243 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
2244 extern int amdgpu_max_kms_ioctl;
2245
2246 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
2247 int amdgpu_driver_unload_kms(struct drm_device *dev);
2248 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
2249 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
2250 void amdgpu_driver_postclose_kms(struct drm_device *dev,
2251 struct drm_file *file_priv);
2252 void amdgpu_driver_preclose_kms(struct drm_device *dev,
2253 struct drm_file *file_priv);
2254 int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2255 int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2256 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, int crtc);
2257 int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc);
2258 void amdgpu_disable_vblank_kms(struct drm_device *dev, int crtc);
2259 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
2260 int *max_error,
2261 struct timeval *vblank_time,
2262 unsigned flags);
2263 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
2264 unsigned long arg);
2265
2266 /*
2267 * vm
2268 */
2269 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
2270 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
2271 struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
2272 struct amdgpu_vm *vm,
2273 struct list_head *head);
2274 struct amdgpu_fence *amdgpu_vm_grab_id(struct amdgpu_ring *ring,
2275 struct amdgpu_vm *vm);
2276 void amdgpu_vm_flush(struct amdgpu_ring *ring,
2277 struct amdgpu_vm *vm,
2278 struct amdgpu_fence *updates);
2279 void amdgpu_vm_fence(struct amdgpu_device *adev,
2280 struct amdgpu_vm *vm,
2281 struct amdgpu_fence *fence);
2282 uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr);
2283 int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
2284 struct amdgpu_vm *vm);
2285 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
2286 struct amdgpu_vm *vm);
2287 int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
2288 struct amdgpu_vm *vm, struct amdgpu_sync *sync);
2289 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
2290 struct amdgpu_bo_va *bo_va,
2291 struct ttm_mem_reg *mem);
2292 void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
2293 struct amdgpu_bo *bo);
2294 struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
2295 struct amdgpu_bo *bo);
2296 struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
2297 struct amdgpu_vm *vm,
2298 struct amdgpu_bo *bo);
2299 int amdgpu_vm_bo_map(struct amdgpu_device *adev,
2300 struct amdgpu_bo_va *bo_va,
2301 uint64_t addr, uint64_t offset,
2302 uint64_t size, uint32_t flags);
2303 int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
2304 struct amdgpu_bo_va *bo_va,
2305 uint64_t addr);
2306 void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
2307 struct amdgpu_bo_va *bo_va);
2308
2309 /*
2310 * functions used by amdgpu_encoder.c
2311 */
2312 struct amdgpu_afmt_acr {
2313 u32 clock;
2314
2315 int n_32khz;
2316 int cts_32khz;
2317
2318 int n_44_1khz;
2319 int cts_44_1khz;
2320
2321 int n_48khz;
2322 int cts_48khz;
2323
2324 };
2325
2326 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
2327
2328 /* amdgpu_acpi.c */
2329 #if defined(CONFIG_ACPI)
2330 int amdgpu_acpi_init(struct amdgpu_device *adev);
2331 void amdgpu_acpi_fini(struct amdgpu_device *adev);
2332 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
2333 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
2334 u8 perf_req, bool advertise);
2335 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
2336 #else
2337 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
2338 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
2339 #endif
2340
2341 struct amdgpu_bo_va_mapping *
2342 amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
2343 uint64_t addr, struct amdgpu_bo **bo);
2344
2345 #include "amdgpu_object.h"
2346
2347 #endif
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