xref: /dragonfly/sys/dev/drm/amd/amdgpu/amdgpu.h (revision 789731325bde747251c28a37e0a00ed4efb88c46)
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/rbtree.h>
36 #include <linux/hashtable.h>
37 #include <linux/dma-fence.h>
38 
39 #include <asm/cpufeature.h>
40 
41 #include <drm/ttm/ttm_bo_api.h>
42 #include <drm/ttm/ttm_bo_driver.h>
43 #include <drm/ttm/ttm_placement.h>
44 #include <drm/ttm/ttm_module.h>
45 #include <drm/ttm/ttm_execbuf_util.h>
46 
47 #include <drm/drmP.h>
48 #include <drm/drm_gem.h>
49 #include <drm/amdgpu_drm.h>
50 #include <drm/gpu_scheduler.h>
51 
52 #include <kgd_kfd_interface.h>
53 #include "dm_pp_interface.h"
54 #include "kgd_pp_interface.h"
55 
56 #include "amd_shared.h"
57 #include "amdgpu_mode.h"
58 #include "amdgpu_ih.h"
59 #include "amdgpu_irq.h"
60 #include "amdgpu_ucode.h"
61 #include "amdgpu_ttm.h"
62 #include "amdgpu_psp.h"
63 #include "amdgpu_gds.h"
64 #include "amdgpu_sync.h"
65 #include "amdgpu_ring.h"
66 #include "amdgpu_vm.h"
67 #include "amdgpu_dpm.h"
68 #include "amdgpu_acp.h"
69 #include "amdgpu_uvd.h"
70 #include "amdgpu_vce.h"
71 #include "amdgpu_vcn.h"
72 #include "amdgpu_mn.h"
73 #include "amdgpu_gmc.h"
74 #include "amdgpu_dm.h"
75 #include "amdgpu_virt.h"
76 #include "amdgpu_gart.h"
77 #include "amdgpu_debugfs.h"
78 #include "amdgpu_job.h"
79 #include "amdgpu_bo_list.h"
80 
81 #include <contrib/dev/acpica/source/include/acpi.h>
82 #include <dev/acpica/acpivar.h>
83 
84 /*
85  * Modules parameters.
86  */
87 extern int amdgpu_modeset;
88 extern int amdgpu_vram_limit;
89 extern int amdgpu_vis_vram_limit;
90 extern int amdgpu_gart_size;
91 extern int amdgpu_gtt_size;
92 extern int amdgpu_moverate;
93 extern int amdgpu_benchmarking;
94 extern int amdgpu_testing;
95 extern int amdgpu_audio;
96 extern int amdgpu_disp_priority;
97 extern int amdgpu_hw_i2c;
98 extern int amdgpu_pcie_gen2;
99 extern int amdgpu_msi;
100 extern int amdgpu_lockup_timeout;
101 extern int amdgpu_dpm;
102 extern int amdgpu_fw_load_type;
103 extern int amdgpu_aspm;
104 extern int amdgpu_runtime_pm;
105 extern uint amdgpu_ip_block_mask;
106 extern int amdgpu_bapm;
107 extern int amdgpu_deep_color;
108 extern int amdgpu_vm_size;
109 extern int amdgpu_vm_block_size;
110 extern int amdgpu_vm_fragment_size;
111 extern int amdgpu_vm_fault_stop;
112 extern int amdgpu_vm_debug;
113 extern int amdgpu_vm_update_mode;
114 extern int amdgpu_dc;
115 extern int amdgpu_sched_jobs;
116 extern int amdgpu_sched_hw_submission;
117 extern uint amdgpu_pcie_gen_cap;
118 extern uint amdgpu_pcie_lane_cap;
119 extern uint amdgpu_cg_mask;
120 extern uint amdgpu_pg_mask;
121 extern uint amdgpu_sdma_phase_quantum;
122 extern char *amdgpu_disable_cu;
123 extern char *amdgpu_virtual_display;
124 extern uint amdgpu_pp_feature_mask;
125 extern int amdgpu_vram_page_split;
126 extern int amdgpu_ngg;
127 extern int amdgpu_prim_buf_per_se;
128 extern int amdgpu_pos_buf_per_se;
129 extern int amdgpu_cntl_sb_buf_per_se;
130 extern int amdgpu_param_buf_per_se;
131 extern int amdgpu_job_hang_limit;
132 extern int amdgpu_lbpw;
133 extern int amdgpu_compute_multipipe;
134 extern int amdgpu_gpu_recovery;
135 extern int amdgpu_emu_mode;
136 extern uint amdgpu_smu_memory_pool_size;
137 
138 #ifdef CONFIG_DRM_AMDGPU_SI
139 extern int amdgpu_si_support;
140 #endif
141 #ifdef CONFIG_DRM_AMDGPU_CIK
142 extern int amdgpu_cik_support;
143 #endif
144 
145 #define AMDGPU_SG_THRESHOLD                       (256*1024*1024)
146 #define AMDGPU_DEFAULT_GTT_SIZE_MB                3072ULL /* 3GB by default */
147 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS          3000
148 #define AMDGPU_MAX_USEC_TIMEOUT                             100000    /* 100 ms */
149 #define AMDGPU_FENCE_JIFFIES_TIMEOUT              (HZ / 2)
150 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
151 #define AMDGPU_IB_POOL_SIZE                       16
152 #define AMDGPU_DEBUGFS_MAX_COMPONENTS             32
153 #define AMDGPUFB_CONN_LIMIT                       4
154 #define AMDGPU_BIOS_NUM_SCRATCH                             16
155 
156 /* max number of IP instances */
157 #define AMDGPU_MAX_SDMA_INSTANCES                 2
158 
159 /* hard reset data */
160 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
161 
162 /* reset flags */
163 #define AMDGPU_RESET_GFX                          (1 << 0)
164 #define AMDGPU_RESET_COMPUTE                      (1 << 1)
165 #define AMDGPU_RESET_DMA                          (1 << 2)
166 #define AMDGPU_RESET_CP                                     (1 << 3)
167 #define AMDGPU_RESET_GRBM                         (1 << 4)
168 #define AMDGPU_RESET_DMA1                         (1 << 5)
169 #define AMDGPU_RESET_RLC                          (1 << 6)
170 #define AMDGPU_RESET_SEM                          (1 << 7)
171 #define AMDGPU_RESET_IH                                     (1 << 8)
172 #define AMDGPU_RESET_VMC                          (1 << 9)
173 #define AMDGPU_RESET_MC                                     (1 << 10)
174 #define AMDGPU_RESET_DISPLAY                      (1 << 11)
175 #define AMDGPU_RESET_UVD                          (1 << 12)
176 #define AMDGPU_RESET_VCE                          (1 << 13)
177 #define AMDGPU_RESET_VCE1                         (1 << 14)
178 
179 /* GFX current status */
180 #define AMDGPU_GFX_NORMAL_MODE                              0x00000000L
181 #define AMDGPU_GFX_SAFE_MODE                      0x00000001L
182 #define AMDGPU_GFX_PG_DISABLED_MODE               0x00000002L
183 #define AMDGPU_GFX_CG_DISABLED_MODE               0x00000004L
184 #define AMDGPU_GFX_LBPW_DISABLED_MODE             0x00000008L
185 
186 /* max cursor sizes (in pixels) */
187 #define CIK_CURSOR_WIDTH 128
188 #define CIK_CURSOR_HEIGHT 128
189 
190 struct amdgpu_device;
191 struct amdgpu_ib;
192 struct amdgpu_cs_parser;
193 struct amdgpu_job;
194 struct amdgpu_irq_src;
195 struct amdgpu_fpriv;
196 struct amdgpu_bo_va_mapping;
197 struct amdgpu_atif;
198 
199 enum amdgpu_cp_irq {
200           AMDGPU_CP_IRQ_GFX_EOP = 0,
201           AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
202           AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
203           AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
204           AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
205           AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
206           AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
207           AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
208           AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
209 
210           AMDGPU_CP_IRQ_LAST
211 };
212 
213 enum amdgpu_sdma_irq {
214           AMDGPU_SDMA_IRQ_TRAP0 = 0,
215           AMDGPU_SDMA_IRQ_TRAP1,
216 
217           AMDGPU_SDMA_IRQ_LAST
218 };
219 
220 enum amdgpu_thermal_irq {
221           AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
222           AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
223 
224           AMDGPU_THERMAL_IRQ_LAST
225 };
226 
227 enum amdgpu_kiq_irq {
228           AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
229           AMDGPU_CP_KIQ_IRQ_LAST
230 };
231 
232 int amdgpu_device_ip_set_clockgating_state(void *dev,
233                                                      enum amd_ip_block_type block_type,
234                                                      enum amd_clockgating_state state);
235 int amdgpu_device_ip_set_powergating_state(void *dev,
236                                                      enum amd_ip_block_type block_type,
237                                                      enum amd_powergating_state state);
238 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
239                                                       u32 *flags);
240 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
241                                            enum amd_ip_block_type block_type);
242 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
243                                     enum amd_ip_block_type block_type);
244 
245 #define AMDGPU_MAX_IP_NUM 16
246 
247 struct amdgpu_ip_block_status {
248           bool valid;
249           bool sw;
250           bool hw;
251           bool late_initialized;
252           bool hang;
253 };
254 
255 struct amdgpu_ip_block_version {
256           const enum amd_ip_block_type type;
257           const u32 major;
258           const u32 minor;
259           const u32 rev;
260           const struct amd_ip_funcs *funcs;
261 };
262 
263 struct amdgpu_ip_block {
264           struct amdgpu_ip_block_status status;
265           const struct amdgpu_ip_block_version *version;
266 };
267 
268 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
269                                                enum amd_ip_block_type type,
270                                                u32 major, u32 minor);
271 
272 struct amdgpu_ip_block *
273 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
274                                     enum amd_ip_block_type type);
275 
276 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
277                                      const struct amdgpu_ip_block_version *ip_block_version);
278 
279 /* provided by hw blocks that can move/clear data.  e.g., gfx or sdma */
280 struct amdgpu_buffer_funcs {
281           /* maximum bytes in a single operation */
282           uint32_t  copy_max_bytes;
283 
284           /* number of dw to reserve per operation */
285           unsigned  copy_num_dw;
286 
287           /* used for buffer migration */
288           void (*emit_copy_buffer)(struct amdgpu_ib *ib,
289                                          /* src addr in bytes */
290                                          uint64_t src_offset,
291                                          /* dst addr in bytes */
292                                          uint64_t dst_offset,
293                                          /* number of byte to transfer */
294                                          uint32_t byte_count);
295 
296           /* maximum bytes in a single operation */
297           uint32_t  fill_max_bytes;
298 
299           /* number of dw to reserve per operation */
300           unsigned  fill_num_dw;
301 
302           /* used for buffer clearing */
303           void (*emit_fill_buffer)(struct amdgpu_ib *ib,
304                                          /* value to write to memory */
305                                          uint32_t src_data,
306                                          /* dst addr in bytes */
307                                          uint64_t dst_offset,
308                                          /* number of byte to fill */
309                                          uint32_t byte_count);
310 };
311 
312 /* provided by hw blocks that can write ptes, e.g., sdma */
313 struct amdgpu_vm_pte_funcs {
314           /* number of dw to reserve per operation */
315           unsigned  copy_pte_num_dw;
316 
317           /* copy pte entries from GART */
318           void (*copy_pte)(struct amdgpu_ib *ib,
319                                uint64_t pe, uint64_t src,
320                                unsigned count);
321 
322           /* write pte one entry at a time with addr mapping */
323           void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe,
324                                 uint64_t value, unsigned count,
325                                 uint32_t incr);
326           /* for linear pte/pde updates without addr mapping */
327           void (*set_pte_pde)(struct amdgpu_ib *ib,
328                                   uint64_t pe,
329                                   uint64_t addr, unsigned count,
330                                   uint32_t incr, uint64_t flags);
331 };
332 
333 /* provided by the ih block */
334 struct amdgpu_ih_funcs {
335           /* ring read/write ptr handling, called from interrupt context */
336           u32 (*get_wptr)(struct amdgpu_device *adev);
337           bool (*prescreen_iv)(struct amdgpu_device *adev);
338           void (*decode_iv)(struct amdgpu_device *adev,
339                                 struct amdgpu_iv_entry *entry);
340           void (*set_rptr)(struct amdgpu_device *adev);
341 };
342 
343 /*
344  * BIOS.
345  */
346 bool amdgpu_get_bios(struct amdgpu_device *adev);
347 bool amdgpu_read_bios(struct amdgpu_device *adev);
348 
349 /*
350  * Clocks
351  */
352 
353 #define AMDGPU_MAX_PPLL 3
354 
355 struct amdgpu_clock {
356           struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
357           struct amdgpu_pll spll;
358           struct amdgpu_pll mpll;
359           /* 10 Khz units */
360           uint32_t default_mclk;
361           uint32_t default_sclk;
362           uint32_t default_dispclk;
363           uint32_t current_dispclk;
364           uint32_t dp_extclk;
365           uint32_t max_pixel_clock;
366 };
367 
368 /*
369  * GEM.
370  */
371 
372 #define AMDGPU_GEM_DOMAIN_MAX           0x3
373 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
374 
375 void amdgpu_gem_object_free(struct drm_gem_object *obj);
376 int amdgpu_gem_object_open(struct drm_gem_object *obj,
377                                         struct drm_file *file_priv);
378 void amdgpu_gem_object_close(struct drm_gem_object *obj,
379                                         struct drm_file *file_priv);
380 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
381 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
382 struct drm_gem_object *
383 amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
384                                          struct dma_buf_attachment *attach,
385                                          struct sg_table *sg);
386 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
387                                                   struct drm_gem_object *gobj,
388                                                   int flags);
389 struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
390                                                       struct dma_buf *dma_buf);
391 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
392 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
393 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
394 int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
395 
396 /* sub-allocation manager, it has to be protected by another lock.
397  * By conception this is an helper for other part of the driver
398  * like the indirect buffer or semaphore, which both have their
399  * locking.
400  *
401  * Principe is simple, we keep a list of sub allocation in offset
402  * order (first entry has offset == 0, last entry has the highest
403  * offset).
404  *
405  * When allocating new object we first check if there is room at
406  * the end total_size - (last_object_offset + last_object_size) >=
407  * alloc_size. If so we allocate new object there.
408  *
409  * When there is not enough room at the end, we start waiting for
410  * each sub object until we reach object_offset+object_size >=
411  * alloc_size, this object then become the sub object we return.
412  *
413  * Alignment can't be bigger than page size.
414  *
415  * Hole are not considered for allocation to keep things simple.
416  * Assumption is that there won't be hole (all object on same
417  * alignment).
418  */
419 
420 #define AMDGPU_SA_NUM_FENCE_LISTS       32
421 
422 struct amdgpu_sa_manager {
423           wait_queue_head_t   wq;
424           struct amdgpu_bo    *bo;
425           struct list_head    *hole;
426           struct list_head    flist[AMDGPU_SA_NUM_FENCE_LISTS];
427           struct list_head    olist;
428           unsigned            size;
429           uint64_t            gpu_addr;
430           void                          *cpu_ptr;
431           uint32_t            domain;
432           uint32_t            align;
433 };
434 
435 /* sub-allocation buffer */
436 struct amdgpu_sa_bo {
437           struct list_head              olist;
438           struct list_head              flist;
439           struct amdgpu_sa_manager      *manager;
440           unsigned                      soffset;
441           unsigned                      eoffset;
442           struct dma_fence            *fence;
443 };
444 
445 /*
446  * GEM objects.
447  */
448 void amdgpu_gem_force_release(struct amdgpu_device *adev);
449 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
450                                    int alignment, u32 initial_domain,
451                                    u64 flags, enum ttm_bo_type type,
452                                    struct reservation_object *resv,
453                                    struct drm_gem_object **obj);
454 
455 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
456                                   struct drm_device *dev,
457                                   struct drm_mode_create_dumb *args);
458 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
459                                 struct drm_device *dev,
460                                 uint32_t handle, uint64_t *offset_p);
461 int amdgpu_fence_slab_init(void);
462 void amdgpu_fence_slab_fini(void);
463 
464 /*
465  * GPU doorbell structures, functions & helpers
466  */
467 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
468 {
469           AMDGPU_DOORBELL_KIQ                     = 0x000,
470           AMDGPU_DOORBELL_HIQ                     = 0x001,
471           AMDGPU_DOORBELL_DIQ                     = 0x002,
472           AMDGPU_DOORBELL_MEC_RING0               = 0x010,
473           AMDGPU_DOORBELL_MEC_RING1               = 0x011,
474           AMDGPU_DOORBELL_MEC_RING2               = 0x012,
475           AMDGPU_DOORBELL_MEC_RING3               = 0x013,
476           AMDGPU_DOORBELL_MEC_RING4               = 0x014,
477           AMDGPU_DOORBELL_MEC_RING5               = 0x015,
478           AMDGPU_DOORBELL_MEC_RING6               = 0x016,
479           AMDGPU_DOORBELL_MEC_RING7               = 0x017,
480           AMDGPU_DOORBELL_GFX_RING0               = 0x020,
481           AMDGPU_DOORBELL_sDMA_ENGINE0            = 0x1E0,
482           AMDGPU_DOORBELL_sDMA_ENGINE1            = 0x1E1,
483           AMDGPU_DOORBELL_IH                      = 0x1E8,
484           AMDGPU_DOORBELL_MAX_ASSIGNMENT          = 0x3FF,
485           AMDGPU_DOORBELL_INVALID                 = 0xFFFF
486 } AMDGPU_DOORBELL_ASSIGNMENT;
487 
488 struct amdgpu_doorbell {
489           /* doorbell mmio */
490           resource_size_t               base;
491           resource_size_t               size;
492           u32 __iomem                   *ptr;
493           u32                           num_doorbells;      /* Number of doorbells actually reserved for amdgpu. */
494 };
495 
496 /*
497  * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space
498  */
499 typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
500 {
501           /*
502            * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in
503            * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range.
504            *  Compute related doorbells are allocated from 0x00 to 0x8a
505            */
506 
507 
508           /* kernel scheduling */
509           AMDGPU_DOORBELL64_KIQ                     = 0x00,
510 
511           /* HSA interface queue and debug queue */
512           AMDGPU_DOORBELL64_HIQ                     = 0x01,
513           AMDGPU_DOORBELL64_DIQ                     = 0x02,
514 
515           /* Compute engines */
516           AMDGPU_DOORBELL64_MEC_RING0               = 0x03,
517           AMDGPU_DOORBELL64_MEC_RING1               = 0x04,
518           AMDGPU_DOORBELL64_MEC_RING2               = 0x05,
519           AMDGPU_DOORBELL64_MEC_RING3               = 0x06,
520           AMDGPU_DOORBELL64_MEC_RING4               = 0x07,
521           AMDGPU_DOORBELL64_MEC_RING5               = 0x08,
522           AMDGPU_DOORBELL64_MEC_RING6               = 0x09,
523           AMDGPU_DOORBELL64_MEC_RING7               = 0x0a,
524 
525           /* User queue doorbell range (128 doorbells) */
526           AMDGPU_DOORBELL64_USERQUEUE_START         = 0x0b,
527           AMDGPU_DOORBELL64_USERQUEUE_END           = 0x8a,
528 
529           /* Graphics engine */
530           AMDGPU_DOORBELL64_GFX_RING0               = 0x8b,
531 
532           /*
533            * Other graphics doorbells can be allocated here: from 0x8c to 0xef
534            * Graphics voltage island aperture 1
535            * default non-graphics QWORD index is 0xF0 - 0xFF inclusive
536            */
537 
538           /* sDMA engines */
539           AMDGPU_DOORBELL64_sDMA_ENGINE0            = 0xF0,
540           AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0     = 0xF1,
541           AMDGPU_DOORBELL64_sDMA_ENGINE1            = 0xF2,
542           AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1     = 0xF3,
543 
544           /* Interrupt handler */
545           AMDGPU_DOORBELL64_IH                      = 0xF4,  /* For legacy interrupt ring buffer */
546           AMDGPU_DOORBELL64_IH_RING1                = 0xF5,  /* For page migration request log */
547           AMDGPU_DOORBELL64_IH_RING2                = 0xF6,  /* For page migration translation/invalidation log */
548 
549           /* VCN engine use 32 bits doorbell  */
550           AMDGPU_DOORBELL64_VCN0_1                  = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
551           AMDGPU_DOORBELL64_VCN2_3                  = 0xF9,
552           AMDGPU_DOORBELL64_VCN4_5                  = 0xFA,
553           AMDGPU_DOORBELL64_VCN6_7                  = 0xFB,
554 
555           /* overlap the doorbell assignment with VCN as they are  mutually exclusive
556            * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
557            */
558           AMDGPU_DOORBELL64_UVD_RING0_1             = 0xF8,
559           AMDGPU_DOORBELL64_UVD_RING2_3             = 0xF9,
560           AMDGPU_DOORBELL64_UVD_RING4_5             = 0xFA,
561           AMDGPU_DOORBELL64_UVD_RING6_7             = 0xFB,
562 
563           AMDGPU_DOORBELL64_VCE_RING0_1             = 0xFC,
564           AMDGPU_DOORBELL64_VCE_RING2_3             = 0xFD,
565           AMDGPU_DOORBELL64_VCE_RING4_5             = 0xFE,
566           AMDGPU_DOORBELL64_VCE_RING6_7             = 0xFF,
567 
568           AMDGPU_DOORBELL64_MAX_ASSIGNMENT          = 0xFF,
569           AMDGPU_DOORBELL64_INVALID                 = 0xFFFF
570 } AMDGPU_DOORBELL64_ASSIGNMENT;
571 
572 /*
573  * IRQS.
574  */
575 
576 struct amdgpu_flip_work {
577           struct delayed_work           flip_work;
578           struct work_struct            unpin_work;
579           struct amdgpu_device                    *adev;
580           int                                     crtc_id;
581           u32                                     target_vblank;
582           uint64_t                      base;
583           struct drm_pending_vblank_event *event;
584           struct amdgpu_bo              *old_abo;
585           struct dma_fence              *excl;
586           unsigned                      shared_count;
587           struct dma_fence              **shared;
588           struct dma_fence_cb           cb;
589           bool                                    async;
590 };
591 
592 
593 /*
594  * CP & rings.
595  */
596 
597 struct amdgpu_ib {
598           struct amdgpu_sa_bo           *sa_bo;
599           uint32_t                      length_dw;
600           uint64_t                      gpu_addr;
601           uint32_t                      *ptr;
602           uint32_t                      flags;
603 };
604 
605 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
606 
607 /*
608  * Queue manager
609  */
610 struct amdgpu_queue_mapper {
611           int                 hw_ip;
612           struct lock         lock;
613           /* protected by lock */
614           struct amdgpu_ring *queue_map[AMDGPU_MAX_RINGS];
615 };
616 
617 struct amdgpu_queue_mgr {
618           struct amdgpu_queue_mapper mapper[AMDGPU_MAX_IP_NUM];
619 };
620 
621 int amdgpu_queue_mgr_init(struct amdgpu_device *adev,
622                                 struct amdgpu_queue_mgr *mgr);
623 int amdgpu_queue_mgr_fini(struct amdgpu_device *adev,
624                                 struct amdgpu_queue_mgr *mgr);
625 int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
626                                struct amdgpu_queue_mgr *mgr,
627                                u32 hw_ip, u32 instance, u32 ring,
628                                struct amdgpu_ring **out_ring);
629 
630 /*
631  * context related structures
632  */
633 
634 struct amdgpu_ctx_ring {
635           uint64_t            sequence;
636           struct dma_fence    **fences;
637           struct drm_sched_entity       entity;
638 };
639 
640 struct amdgpu_ctx {
641           struct kref                   refcount;
642           struct amdgpu_device    *adev;
643           struct amdgpu_queue_mgr queue_mgr;
644           unsigned            reset_counter;
645           unsigned        reset_counter_query;
646           uint32_t            vram_lost_counter;
647           struct spinlock               ring_lock;
648           struct dma_fence    **fences;
649           struct amdgpu_ctx_ring        rings[AMDGPU_MAX_RINGS];
650           bool                          preamble_presented;
651           enum drm_sched_priority init_priority;
652           enum drm_sched_priority override_priority;
653           struct lock            lock;
654           atomic_t  guilty;
655 };
656 
657 struct amdgpu_ctx_mgr {
658           struct amdgpu_device          *adev;
659           struct lock                   lock;
660           /* protected by lock */
661           struct idr                    ctx_handles;
662 };
663 
664 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
665 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
666 
667 int amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
668                                     struct dma_fence *fence, uint64_t *seq);
669 struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
670                                            struct amdgpu_ring *ring, uint64_t seq);
671 void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
672                                           enum drm_sched_priority priority);
673 
674 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
675                          struct drm_file *filp);
676 
677 int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, unsigned ring_id);
678 
679 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
680 void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr);
681 void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr);
682 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
683 
684 
685 /*
686  * file private structure
687  */
688 
689 struct amdgpu_fpriv {
690           struct amdgpu_vm    vm;
691           struct amdgpu_bo_va *prt_va;
692           struct amdgpu_bo_va *csa_va;
693           struct lock                   bo_list_lock;
694           struct idr                    bo_list_handles;
695           struct amdgpu_ctx_mgr         ctx_mgr;
696 };
697 
698 /*
699  * GFX stuff
700  */
701 #include "clearstate_defs.h"
702 
703 struct amdgpu_rlc_funcs {
704           void (*enter_safe_mode)(struct amdgpu_device *adev);
705           void (*exit_safe_mode)(struct amdgpu_device *adev);
706 };
707 
708 struct amdgpu_rlc {
709           /* for power gating */
710           struct amdgpu_bo    *save_restore_obj;
711           uint64_t            save_restore_gpu_addr;
712           volatile uint32_t   *sr_ptr;
713           const u32               *reg_list;
714           u32                     reg_list_size;
715           /* for clear state */
716           struct amdgpu_bo    *clear_state_obj;
717           uint64_t            clear_state_gpu_addr;
718           volatile uint32_t   *cs_ptr;
719           const struct cs_section_def   *cs_data;
720           u32                     clear_state_size;
721           /* for cp tables */
722           struct amdgpu_bo    *cp_table_obj;
723           uint64_t            cp_table_gpu_addr;
724           volatile uint32_t   *cp_table_ptr;
725           u32                     cp_table_size;
726 
727           /* safe mode for updating CG/PG state */
728           bool in_safe_mode;
729           const struct amdgpu_rlc_funcs *funcs;
730 
731           /* for firmware data */
732           u32 save_and_restore_offset;
733           u32 clear_state_descriptor_offset;
734           u32 avail_scratch_ram_locations;
735           u32 reg_restore_list_size;
736           u32 reg_list_format_start;
737           u32 reg_list_format_separate_start;
738           u32 starting_offsets_start;
739           u32 reg_list_format_size_bytes;
740           u32 reg_list_size_bytes;
741           u32 reg_list_format_direct_reg_list_length;
742           u32 save_restore_list_cntl_size_bytes;
743           u32 save_restore_list_gpm_size_bytes;
744           u32 save_restore_list_srm_size_bytes;
745 
746           u32 *register_list_format;
747           u32 *register_restore;
748           u8 *save_restore_list_cntl;
749           u8 *save_restore_list_gpm;
750           u8 *save_restore_list_srm;
751 
752           bool is_rlc_v2_1;
753 };
754 
755 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
756 
757 struct amdgpu_mec {
758           struct amdgpu_bo    *hpd_eop_obj;
759           u64                           hpd_eop_gpu_addr;
760           struct amdgpu_bo    *mec_fw_obj;
761           u64                           mec_fw_gpu_addr;
762           u32 num_mec;
763           u32 num_pipe_per_mec;
764           u32 num_queue_per_pipe;
765           void                          *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
766 
767           /* These are the resources for which amdgpu takes ownership */
768           DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
769 };
770 
771 struct amdgpu_kiq {
772           u64                           eop_gpu_addr;
773           struct amdgpu_bo    *eop_obj;
774           spinlock_t              ring_lock;
775           struct amdgpu_ring  ring;
776           struct amdgpu_irq_src         irq;
777 };
778 
779 /*
780  * GPU scratch registers structures, functions & helpers
781  */
782 struct amdgpu_scratch {
783           unsigned            num_reg;
784           uint32_t                reg_base;
785           uint32_t            free_mask;
786 };
787 
788 /*
789  * GFX configurations
790  */
791 #define AMDGPU_GFX_MAX_SE 4
792 #define AMDGPU_GFX_MAX_SH_PER_SE 2
793 
794 struct amdgpu_rb_config {
795           uint32_t rb_backend_disable;
796           uint32_t user_rb_backend_disable;
797           uint32_t raster_config;
798           uint32_t raster_config_1;
799 };
800 
801 struct gb_addr_config {
802           uint16_t pipe_interleave_size;
803           uint8_t num_pipes;
804           uint8_t max_compress_frags;
805           uint8_t num_banks;
806           uint8_t num_se;
807           uint8_t num_rb_per_se;
808 };
809 
810 struct amdgpu_gfx_config {
811           unsigned max_shader_engines;
812           unsigned max_tile_pipes;
813           unsigned max_cu_per_sh;
814           unsigned max_sh_per_se;
815           unsigned max_backends_per_se;
816           unsigned max_texture_channel_caches;
817           unsigned max_gprs;
818           unsigned max_gs_threads;
819           unsigned max_hw_contexts;
820           unsigned sc_prim_fifo_size_frontend;
821           unsigned sc_prim_fifo_size_backend;
822           unsigned sc_hiz_tile_fifo_size;
823           unsigned sc_earlyz_tile_fifo_size;
824 
825           unsigned num_tile_pipes;
826           unsigned backend_enable_mask;
827           unsigned mem_max_burst_length_bytes;
828           unsigned mem_row_size_in_kb;
829           unsigned shader_engine_tile_size;
830           unsigned num_gpus;
831           unsigned multi_gpu_tile_size;
832           unsigned mc_arb_ramcfg;
833           unsigned gb_addr_config;
834           unsigned num_rbs;
835           unsigned gs_vgt_table_depth;
836           unsigned gs_prim_buffer_depth;
837 
838           uint32_t tile_mode_array[32];
839           uint32_t macrotile_mode_array[16];
840 
841           struct gb_addr_config gb_addr_config_fields;
842           struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
843 
844           /* gfx configure feature */
845           uint32_t double_offchip_lds_buf;
846           /* cached value of DB_DEBUG2 */
847           uint32_t db_debug2;
848 };
849 
850 struct amdgpu_cu_info {
851           uint32_t simd_per_cu;
852           uint32_t max_waves_per_simd;
853           uint32_t wave_front_size;
854           uint32_t max_scratch_slots_per_cu;
855           uint32_t lds_size;
856 
857           /* total active CU number */
858           uint32_t number;
859           uint32_t ao_cu_mask;
860           uint32_t ao_cu_bitmap[4][4];
861           uint32_t bitmap[4][4];
862 };
863 
864 struct amdgpu_gfx_funcs {
865           /* get the gpu clock counter */
866           uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
867           void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
868           void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields);
869           void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t thread, uint32_t start, uint32_t size, uint32_t *dst);
870           void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
871           void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue);
872 };
873 
874 struct amdgpu_ngg_buf {
875           struct amdgpu_bo    *bo;
876           uint64_t            gpu_addr;
877           uint32_t            size;
878           uint32_t            bo_size;
879 };
880 
881 enum {
882           NGG_PRIM = 0,
883           NGG_POS,
884           NGG_CNTL,
885           NGG_PARAM,
886           NGG_BUF_MAX
887 };
888 
889 struct amdgpu_ngg {
890           struct amdgpu_ngg_buf         buf[NGG_BUF_MAX];
891           uint32_t            gds_reserve_addr;
892           uint32_t            gds_reserve_size;
893           bool                          init;
894 };
895 
896 struct sq_work {
897           struct work_struct  work;
898           unsigned ih_data;
899 };
900 
901 struct amdgpu_gfx {
902           struct lock                             gpu_clock_mutex;
903           struct amdgpu_gfx_config      config;
904           struct amdgpu_rlc             rlc;
905           struct amdgpu_mec             mec;
906           struct amdgpu_kiq             kiq;
907           struct amdgpu_scratch                   scratch;
908           const struct firmware                   *me_fw;   /* ME firmware */
909           uint32_t                      me_fw_version;
910           const struct firmware                   *pfp_fw; /* PFP firmware */
911           uint32_t                      pfp_fw_version;
912           const struct firmware                   *ce_fw;   /* CE firmware */
913           uint32_t                      ce_fw_version;
914           const struct firmware                   *rlc_fw; /* RLC firmware */
915           uint32_t                      rlc_fw_version;
916           const struct firmware                   *mec_fw; /* MEC firmware */
917           uint32_t                      mec_fw_version;
918           const struct firmware                   *mec2_fw; /* MEC2 firmware */
919           uint32_t                      mec2_fw_version;
920           uint32_t                      me_feature_version;
921           uint32_t                      ce_feature_version;
922           uint32_t                      pfp_feature_version;
923           uint32_t                      rlc_feature_version;
924           uint32_t                      rlc_srlc_fw_version;
925           uint32_t                      rlc_srlc_feature_version;
926           uint32_t                      rlc_srlg_fw_version;
927           uint32_t                      rlc_srlg_feature_version;
928           uint32_t                      rlc_srls_fw_version;
929           uint32_t                      rlc_srls_feature_version;
930           uint32_t                      mec_feature_version;
931           uint32_t                      mec2_feature_version;
932           struct amdgpu_ring            gfx_ring[AMDGPU_MAX_GFX_RINGS];
933           unsigned                      num_gfx_rings;
934           struct amdgpu_ring            compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
935           unsigned                      num_compute_rings;
936           struct amdgpu_irq_src                   eop_irq;
937           struct amdgpu_irq_src                   priv_reg_irq;
938           struct amdgpu_irq_src                   priv_inst_irq;
939           struct amdgpu_irq_src                   cp_ecc_error_irq;
940           struct amdgpu_irq_src                   sq_irq;
941           struct sq_work                          sq_work;
942 
943           /* gfx status */
944           uint32_t                      gfx_current_status;
945           /* ce ram size*/
946           unsigned                      ce_ram_size;
947           struct amdgpu_cu_info                   cu_info;
948           const struct amdgpu_gfx_funcs *funcs;
949 
950           /* reset mask */
951           uint32_t                        grbm_soft_reset;
952           uint32_t                        srbm_soft_reset;
953           /* s3/s4 mask */
954           bool                            in_suspend;
955           /* NGG */
956           struct amdgpu_ngg             ngg;
957 
958           /* pipe reservation */
959           struct lock                             pipe_reserve_mutex;
960           DECLARE_BITMAP                          (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
961 };
962 
963 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
964                       unsigned size, struct amdgpu_ib *ib);
965 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
966                         struct dma_fence *f);
967 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
968                            struct amdgpu_ib *ibs, struct amdgpu_job *job,
969                            struct dma_fence **f);
970 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
971 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
972 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
973 
974 /*
975  * CS.
976  */
977 struct amdgpu_cs_chunk {
978           uint32_t            chunk_id;
979           uint32_t            length_dw;
980           void                          *kdata;
981 };
982 
983 struct amdgpu_cs_parser {
984           struct amdgpu_device          *adev;
985           struct drm_file               *filp;
986           struct amdgpu_ctx   *ctx;
987 
988           /* chunks */
989           unsigned            nchunks;
990           struct amdgpu_cs_chunk        *chunks;
991 
992           /* scheduler job object */
993           struct amdgpu_job   *job;
994           struct amdgpu_ring  *ring;
995 
996           /* buffer objects */
997           struct ww_acquire_ctx                   ticket;
998           struct amdgpu_bo_list                   *bo_list;
999           struct amdgpu_mn              *mn;
1000           struct amdgpu_bo_list_entry   vm_pd;
1001           struct list_head              validated;
1002           struct dma_fence              *fence;
1003           uint64_t                      bytes_moved_threshold;
1004           uint64_t                      bytes_moved_vis_threshold;
1005           uint64_t                      bytes_moved;
1006           uint64_t                      bytes_moved_vis;
1007           struct amdgpu_bo_list_entry   *evictable;
1008 
1009           /* user fence */
1010           struct amdgpu_bo_list_entry   uf_entry;
1011 
1012           unsigned num_post_dep_syncobjs;
1013           struct drm_syncobj **post_dep_syncobjs;
1014 };
1015 
amdgpu_get_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx)1016 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
1017                                               uint32_t ib_idx, int idx)
1018 {
1019           return p->job->ibs[ib_idx].ptr[idx];
1020 }
1021 
amdgpu_set_ib_value(struct amdgpu_cs_parser * p,uint32_t ib_idx,int idx,uint32_t value)1022 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
1023                                                uint32_t ib_idx, int idx,
1024                                                uint32_t value)
1025 {
1026           p->job->ibs[ib_idx].ptr[idx] = value;
1027 }
1028 
1029 /*
1030  * Writeback
1031  */
1032 #define AMDGPU_MAX_WB 128     /* Reserve at most 128 WB slots for amdgpu-owned rings. */
1033 
1034 struct amdgpu_wb {
1035           struct amdgpu_bo    *wb_obj;
1036           volatile uint32_t   *wb;
1037           uint64_t            gpu_addr;
1038           u32                           num_wb;   /* Number of wb slots actually reserved for amdgpu. */
1039           unsigned long                 used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1040 };
1041 
1042 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
1043 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
1044 
1045 /*
1046  * SDMA
1047  */
1048 struct amdgpu_sdma_instance {
1049           /* SDMA firmware */
1050           const struct firmware         *fw;
1051           uint32_t            fw_version;
1052           uint32_t            feature_version;
1053 
1054           struct amdgpu_ring  ring;
1055           bool                          burst_nop;
1056 };
1057 
1058 struct amdgpu_sdma {
1059           struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
1060 #ifdef CONFIG_DRM_AMDGPU_SI
1061           //SI DMA has a difference trap irq number for the second engine
1062           struct amdgpu_irq_src         trap_irq_1;
1063 #endif
1064           struct amdgpu_irq_src         trap_irq;
1065           struct amdgpu_irq_src         illegal_inst_irq;
1066           int                           num_instances;
1067           uint32_t                    srbm_soft_reset;
1068 };
1069 
1070 /*
1071  * Firmware
1072  */
1073 enum amdgpu_firmware_load_type {
1074           AMDGPU_FW_LOAD_DIRECT = 0,
1075           AMDGPU_FW_LOAD_SMU,
1076           AMDGPU_FW_LOAD_PSP,
1077 };
1078 
1079 struct amdgpu_firmware {
1080           struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1081           enum amdgpu_firmware_load_type load_type;
1082           struct amdgpu_bo *fw_buf;
1083           unsigned int fw_size;
1084           unsigned int max_ucodes;
1085           /* firmwares are loaded by psp instead of smu from vega10 */
1086           const struct amdgpu_psp_funcs *funcs;
1087           struct amdgpu_bo *rbuf;
1088           struct lock mutex;
1089 
1090           /* gpu info firmware data pointer */
1091           const struct firmware *gpu_info_fw;
1092 
1093           void *fw_buf_ptr;
1094           uint64_t fw_buf_mc;
1095 };
1096 
1097 /*
1098  * Benchmarking
1099  */
1100 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1101 
1102 
1103 /*
1104  * Testing
1105  */
1106 void amdgpu_test_moves(struct amdgpu_device *adev);
1107 
1108 
1109 /*
1110  * amdgpu smumgr functions
1111  */
1112 struct amdgpu_smumgr_funcs {
1113           int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1114           int (*request_smu_load_fw)(struct amdgpu_device *adev);
1115           int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1116 };
1117 
1118 /*
1119  * amdgpu smumgr
1120  */
1121 struct amdgpu_smumgr {
1122           struct amdgpu_bo *toc_buf;
1123           struct amdgpu_bo *smu_buf;
1124           /* asic priv smu data */
1125           void *priv;
1126           spinlock_t smu_lock;
1127           /* smumgr functions */
1128           const struct amdgpu_smumgr_funcs *smumgr_funcs;
1129           /* ucode loading complete flag */
1130           uint32_t fw_flags;
1131 };
1132 
1133 /*
1134  * ASIC specific register table accessible by UMD
1135  */
1136 struct amdgpu_allowed_register_entry {
1137           uint32_t reg_offset;
1138           bool grbm_indexed;
1139 };
1140 
1141 /*
1142  * ASIC specific functions.
1143  */
1144 struct amdgpu_asic_funcs {
1145           bool (*read_disabled_bios)(struct amdgpu_device *adev);
1146           bool (*read_bios_from_rom)(struct amdgpu_device *adev,
1147                                            u8 *bios, u32 length_bytes);
1148           int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1149                                    u32 sh_num, u32 reg_offset, u32 *value);
1150           void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1151           int (*reset)(struct amdgpu_device *adev);
1152           /* get the reference clock */
1153           u32 (*get_xclk)(struct amdgpu_device *adev);
1154           /* MM block clocks */
1155           int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1156           int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1157           /* static power management */
1158           int (*get_pcie_lanes)(struct amdgpu_device *adev);
1159           void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
1160           /* get config memsize register */
1161           u32 (*get_config_memsize)(struct amdgpu_device *adev);
1162           /* flush hdp write queue */
1163           void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
1164           /* invalidate hdp read cache */
1165           void (*invalidate_hdp)(struct amdgpu_device *adev,
1166                                      struct amdgpu_ring *ring);
1167           /* check if the asic needs a full reset of if soft reset will work */
1168           bool (*need_full_reset)(struct amdgpu_device *adev);
1169 };
1170 
1171 /*
1172  * IOCTL.
1173  */
1174 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1175                                   struct drm_file *filp);
1176 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1177                                         struct drm_file *filp);
1178 
1179 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1180                                 struct drm_file *filp);
1181 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1182                               struct drm_file *filp);
1183 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1184                                 struct drm_file *filp);
1185 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1186                                     struct drm_file *filp);
1187 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1188                                 struct drm_file *filp);
1189 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1190                               struct drm_file *filp);
1191 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1192 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
1193                                             struct drm_file *filp);
1194 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1195 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
1196                                         struct drm_file *filp);
1197 
1198 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1199                                         struct drm_file *filp);
1200 
1201 /* VRAM scratch page for HDP bug, default vram page */
1202 struct amdgpu_vram_scratch {
1203           struct amdgpu_bo              *robj;
1204           volatile uint32_t             *ptr;
1205           u64                                     gpu_addr;
1206 };
1207 
1208 /*
1209  * ACPI
1210  */
1211 struct amdgpu_atcs_functions {
1212           bool get_ext_state;
1213           bool pcie_perf_req;
1214           bool pcie_dev_rdy;
1215           bool pcie_bus_width;
1216 };
1217 
1218 struct amdgpu_atcs {
1219           struct amdgpu_atcs_functions functions;
1220 };
1221 
1222 /*
1223  * Firmware VRAM reservation
1224  */
1225 struct amdgpu_fw_vram_usage {
1226           u64 start_offset;
1227           u64 size;
1228           struct amdgpu_bo *reserved_bo;
1229           void *va;
1230 };
1231 
1232 /*
1233  * CGS
1234  */
1235 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1236 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
1237 
1238 /*
1239  * Core structure, functions and helpers.
1240  */
1241 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1242 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1243 
1244 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1245 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1246 
1247 
1248 /*
1249  * amdgpu nbio functions
1250  *
1251  */
1252 struct nbio_hdp_flush_reg {
1253           u32 ref_and_mask_cp0;
1254           u32 ref_and_mask_cp1;
1255           u32 ref_and_mask_cp2;
1256           u32 ref_and_mask_cp3;
1257           u32 ref_and_mask_cp4;
1258           u32 ref_and_mask_cp5;
1259           u32 ref_and_mask_cp6;
1260           u32 ref_and_mask_cp7;
1261           u32 ref_and_mask_cp8;
1262           u32 ref_and_mask_cp9;
1263           u32 ref_and_mask_sdma0;
1264           u32 ref_and_mask_sdma1;
1265 };
1266 
1267 struct amdgpu_nbio_funcs {
1268           const struct nbio_hdp_flush_reg *hdp_flush_reg;
1269           u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
1270           u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
1271           u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
1272           u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
1273           u32 (*get_rev_id)(struct amdgpu_device *adev);
1274           void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
1275           void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
1276           u32 (*get_memsize)(struct amdgpu_device *adev);
1277           void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
1278                                             bool use_doorbell, int doorbell_index);
1279           void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
1280                                                    bool enable);
1281           void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
1282                                                               bool enable);
1283           void (*ih_doorbell_range)(struct amdgpu_device *adev,
1284                                           bool use_doorbell, int doorbell_index);
1285           void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
1286                                                              bool enable);
1287           void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
1288                                                             bool enable);
1289           void (*get_clockgating_state)(struct amdgpu_device *adev,
1290                                               u32 *flags);
1291           void (*ih_control)(struct amdgpu_device *adev);
1292           void (*init_registers)(struct amdgpu_device *adev);
1293           void (*detect_hw_virt)(struct amdgpu_device *adev);
1294 };
1295 
1296 struct amdgpu_df_funcs {
1297           void (*init)(struct amdgpu_device *adev);
1298           void (*enable_broadcast_mode)(struct amdgpu_device *adev,
1299                                               bool enable);
1300           u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
1301           u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
1302           void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
1303                                                              bool enable);
1304           void (*get_clockgating_state)(struct amdgpu_device *adev,
1305                                               u32 *flags);
1306           void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
1307                                                       bool enable);
1308 };
1309 /* Define the HW IP blocks will be used in driver , add more if necessary */
1310 enum amd_hw_ip_block_type {
1311           GC_HWIP = 1,
1312           HDP_HWIP,
1313           SDMA0_HWIP,
1314           SDMA1_HWIP,
1315           MMHUB_HWIP,
1316           ATHUB_HWIP,
1317           NBIO_HWIP,
1318           MP0_HWIP,
1319           MP1_HWIP,
1320           UVD_HWIP,
1321           VCN_HWIP = UVD_HWIP,
1322           VCE_HWIP,
1323           DF_HWIP,
1324           DCE_HWIP,
1325           OSSSYS_HWIP,
1326           SMUIO_HWIP,
1327           PWR_HWIP,
1328           NBIF_HWIP,
1329           THM_HWIP,
1330           CLK_HWIP,
1331           MAX_HWIP
1332 };
1333 
1334 #define HWIP_MAX_INSTANCE     6
1335 
1336 struct amd_powerplay {
1337           void *pp_handle;
1338           const struct amd_pm_funcs *pp_funcs;
1339           uint32_t pp_feature;
1340 };
1341 
1342 #define AMDGPU_RESET_MAGIC_NUM 64
1343 struct amdgpu_device {
1344           struct device                           *dev;
1345           struct drm_device             *ddev;
1346           struct pci_dev                          *pdev;
1347 
1348 #ifdef CONFIG_DRM_AMD_ACP
1349           struct amdgpu_acp             acp;
1350 #endif
1351 
1352           /* ASIC */
1353           enum amd_asic_type            asic_type;
1354           uint32_t                      family;
1355           uint32_t                      rev_id;
1356           uint32_t                      external_rev_id;
1357           unsigned long                           flags;
1358           int                                     usec_timeout;
1359           const struct amdgpu_asic_funcs          *asic_funcs;
1360           bool                                    shutdown;
1361           bool                                    need_dma32;
1362           bool                                    need_swiotlb;
1363           bool                                    accel_working;
1364           struct work_struct            reset_work;
1365           struct notifier_block                   acpi_nb;
1366           struct amdgpu_i2c_chan                  *i2c_bus[AMDGPU_MAX_I2C_BUS];
1367           struct amdgpu_debugfs                   debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1368           unsigned                      debugfs_count;
1369 #if defined(CONFIG_DEBUG_FS)
1370           struct dentry                           *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1371 #endif
1372           struct amdgpu_atif            *atif;
1373           struct amdgpu_atcs            atcs;
1374           struct lock                             srbm_mutex;
1375           /* GRBM index mutex. Protects concurrent access to GRBM index */
1376           struct lock                    grbm_idx_mutex;
1377 #if 0
1378           struct dev_pm_domain                    vga_pm_domain;
1379 #endif
1380           bool                                    have_disp_power_ref;
1381 
1382           /* BIOS */
1383           bool                                    is_atom_fw;
1384           uint8_t                                 *bios;
1385           uint32_t                      bios_size;
1386           struct amdgpu_bo              *stolen_vga_memory;
1387           uint32_t                      bios_scratch_reg_offset;
1388           uint32_t                      bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1389 
1390           /* Register/doorbell mmio */
1391           resource_size_t                         rmmio_base;
1392           resource_size_t                         rmmio_size;
1393 #if 0
1394           void __iomem                            *rmmio;
1395 #endif
1396 #ifdef __DragonFly__
1397           int                                     rmmio_rid;
1398           struct resource                         *rmmio;
1399 #endif
1400           /* protects concurrent MM_INDEX/DATA based register access */
1401           spinlock_t mmio_idx_lock;
1402           /* protects concurrent SMC based register access */
1403           spinlock_t smc_idx_lock;
1404           amdgpu_rreg_t                           smc_rreg;
1405           amdgpu_wreg_t                           smc_wreg;
1406           /* protects concurrent PCIE register access */
1407           spinlock_t pcie_idx_lock;
1408           amdgpu_rreg_t                           pcie_rreg;
1409           amdgpu_wreg_t                           pcie_wreg;
1410           amdgpu_rreg_t                           pciep_rreg;
1411           amdgpu_wreg_t                           pciep_wreg;
1412           /* protects concurrent UVD register access */
1413           spinlock_t uvd_ctx_idx_lock;
1414           amdgpu_rreg_t                           uvd_ctx_rreg;
1415           amdgpu_wreg_t                           uvd_ctx_wreg;
1416           /* protects concurrent DIDT register access */
1417           spinlock_t didt_idx_lock;
1418           amdgpu_rreg_t                           didt_rreg;
1419           amdgpu_wreg_t                           didt_wreg;
1420           /* protects concurrent gc_cac register access */
1421           spinlock_t gc_cac_idx_lock;
1422           amdgpu_rreg_t                           gc_cac_rreg;
1423           amdgpu_wreg_t                           gc_cac_wreg;
1424           /* protects concurrent se_cac register access */
1425           spinlock_t se_cac_idx_lock;
1426           amdgpu_rreg_t                           se_cac_rreg;
1427           amdgpu_wreg_t                           se_cac_wreg;
1428           /* protects concurrent ENDPOINT (audio) register access */
1429           spinlock_t audio_endpt_idx_lock;
1430           amdgpu_block_rreg_t           audio_endpt_rreg;
1431           amdgpu_block_wreg_t           audio_endpt_wreg;
1432 #if 0
1433           void __iomem                    *rio_mem;
1434 #endif
1435 #ifdef __DragonFly__
1436           int                                     rio_rid;
1437           struct resource                         *rio_mem;
1438 #endif
1439           resource_size_t                         rio_mem_size;
1440           struct amdgpu_doorbell                  doorbell;
1441 
1442           /* clock/pll info */
1443           struct amdgpu_clock            clock;
1444 
1445           /* MC */
1446           struct amdgpu_gmc             gmc;
1447           struct amdgpu_gart            gart;
1448           dma_addr_t                              dummy_page_addr;
1449           struct amdgpu_vm_manager      vm_manager;
1450           struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
1451 
1452           /* memory management */
1453           struct amdgpu_mman            mman;
1454           struct amdgpu_vram_scratch    vram_scratch;
1455           struct amdgpu_wb              wb;
1456           atomic64_t                              num_bytes_moved;
1457           atomic64_t                              num_evictions;
1458           atomic64_t                              num_vram_cpu_page_faults;
1459           atomic_t                      gpu_reset_counter;
1460           atomic_t                      vram_lost_counter;
1461 
1462           /* data for buffer migration throttling */
1463           struct {
1464                     struct spinlock               lock;
1465                     s64                           last_update_us;
1466                     s64                           accum_us; /* accumulated microseconds */
1467                     s64                           accum_us_vis; /* for visible VRAM */
1468                     u32                           log2_max_MBps;
1469           } mm_stats;
1470 
1471           /* display */
1472           bool                                    enable_virtual_display;
1473           struct amdgpu_mode_info                 mode_info;
1474           /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
1475           struct work_struct            hotplug_work;
1476           struct amdgpu_irq_src                   crtc_irq;
1477           struct amdgpu_irq_src                   pageflip_irq;
1478           struct amdgpu_irq_src                   hpd_irq;
1479 
1480           /* rings */
1481           u64                                     fence_context;
1482           unsigned                      num_rings;
1483           struct amdgpu_ring            *rings[AMDGPU_MAX_RINGS];
1484           bool                                    ib_pool_ready;
1485           struct amdgpu_sa_manager      ring_tmp_bo;
1486 
1487           /* interrupts */
1488           struct amdgpu_irq             irq;
1489 
1490           /* powerplay */
1491           struct amd_powerplay                    powerplay;
1492           bool                                    pp_force_state_enabled;
1493 
1494           /* dpm */
1495           struct amdgpu_pm              pm;
1496           u32                                     cg_flags;
1497           u32                                     pg_flags;
1498 
1499           /* amdgpu smumgr */
1500           struct amdgpu_smumgr smu;
1501 
1502           /* gfx */
1503           struct amdgpu_gfx             gfx;
1504 
1505           /* sdma */
1506           struct amdgpu_sdma            sdma;
1507 
1508           /* uvd */
1509           struct amdgpu_uvd             uvd;
1510 
1511           /* vce */
1512           struct amdgpu_vce             vce;
1513 
1514           /* vcn */
1515           struct amdgpu_vcn             vcn;
1516 
1517           /* firmwares */
1518           struct amdgpu_firmware                  firmware;
1519 
1520           /* PSP */
1521           struct psp_context            psp;
1522 
1523           /* GDS */
1524           struct amdgpu_gds             gds;
1525 
1526           /* display related functionality */
1527           struct amdgpu_display_manager dm;
1528 
1529           struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
1530           int                                     num_ip_blocks;
1531           struct lock         mn_lock;
1532           DECLARE_HASHTABLE(mn_hash, 7);
1533 
1534           /* tracking pinned memory */
1535           atomic64_t vram_pin_size;
1536           atomic64_t visible_pin_size;
1537           atomic64_t gart_pin_size;
1538 
1539           /* amdkfd interface */
1540           struct kfd_dev          *kfd;
1541 
1542           /* soc15 register offset based on ip, instance and  segment */
1543           uint32_t            *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1544 
1545           const struct amdgpu_nbio_funcs          *nbio_funcs;
1546           const struct amdgpu_df_funcs  *df_funcs;
1547 
1548           /* delayed work_func for deferring clockgating during resume */
1549           struct delayed_work     late_init_work;
1550 
1551           struct amdgpu_virt  virt;
1552           /* firmware VRAM reservation */
1553           struct amdgpu_fw_vram_usage fw_vram_usage;
1554 
1555           /* link all shadow bo */
1556           struct list_head                shadow_list;
1557           struct lock                    shadow_list_lock;
1558           /* keep an lru list of rings by HW IP */
1559           struct list_head              ring_lru_list;
1560           struct spinlock                         ring_lru_list_lock;
1561 
1562           /* record hw reset is performed */
1563           bool has_hw_reset;
1564           u8                                      reset_magic[AMDGPU_RESET_MAGIC_NUM];
1565 
1566           /* record last mm index being written through WREG32*/
1567           unsigned long last_mm_index;
1568           bool                            in_gpu_reset;
1569           struct lock  lock_reset;
1570 #ifdef __DragonFly__
1571           struct {
1572                     ACPI_HANDLE                   handle;
1573                     ACPI_NOTIFY_HANDLER notifier_call;
1574           } acpi;
1575           bool                                    fictitious_range_registered;
1576 #endif
1577 };
1578 
amdgpu_ttm_adev(struct ttm_bo_device * bdev)1579 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1580 {
1581           return container_of(bdev, struct amdgpu_device, mman.bdev);
1582 }
1583 
1584 int amdgpu_device_init(struct amdgpu_device *adev,
1585                            struct drm_device *ddev,
1586                            struct pci_dev *pdev,
1587                            uint32_t flags);
1588 void amdgpu_device_fini(struct amdgpu_device *adev);
1589 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1590 
1591 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1592                               uint32_t acc_flags);
1593 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1594                         uint32_t acc_flags);
1595 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1596 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1597 
1598 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1599 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1600 
1601 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
1602 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
1603 u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
1604 void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
1605 
1606 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1607 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1608 
1609 int emu_soc_asic_init(struct amdgpu_device *adev);
1610 
1611 /*
1612  * Registers read & write functions.
1613  */
1614 
1615 #define AMDGPU_REGS_IDX       (1<<0)
1616 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1617 
1618 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1619 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1620 
1621 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1622 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1623 
1624 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1625 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1626 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1627 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1628 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1629 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1630 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1631 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1632 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1633 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1634 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1635 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1636 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1637 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1638 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1639 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1640 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1641 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1642 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1643 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1644 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1645 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1646 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1647 #define WREG32_P(reg, val, mask)                                      \
1648           do {                                                                  \
1649                     uint32_t tmp_ = RREG32(reg);                      \
1650                     tmp_ &= (mask);                                             \
1651                     tmp_ |= ((val) & ~(mask));                        \
1652                     WREG32(reg, tmp_);                                \
1653           } while (0)
1654 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1655 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1656 #define WREG32_PLL_P(reg, val, mask)                                  \
1657           do {                                                                  \
1658                     uint32_t tmp_ = RREG32_PLL(reg);                  \
1659                     tmp_ &= (mask);                                             \
1660                     tmp_ |= ((val) & ~(mask));                        \
1661                     WREG32_PLL(reg, tmp_);                                      \
1662           } while (0)
1663 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1664 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1665 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1666 
1667 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
1668 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
1669 #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
1670 #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
1671 
1672 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1673 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1674 
1675 #define REG_SET_FIELD(orig_val, reg, field, field_val)                          \
1676           (((orig_val) & ~REG_FIELD_MASK(reg, field)) |                         \
1677            (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1678 
1679 #define REG_GET_FIELD(value, reg, field)                                        \
1680           (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1681 
1682 #define WREG32_FIELD(reg, field, val)   \
1683           WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1684 
1685 #define WREG32_FIELD_OFFSET(reg, offset, field, val)        \
1686           WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1687 
1688 /*
1689  * BIOS helpers.
1690  */
1691 #define RBIOS8(i) (adev->bios[i])
1692 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1693 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1694 
1695 static inline struct amdgpu_sdma_instance *
amdgpu_get_sdma_instance(struct amdgpu_ring * ring)1696 amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
1697 {
1698           struct amdgpu_device *adev = ring->adev;
1699           int i;
1700 
1701           for (i = 0; i < adev->sdma.num_instances; i++)
1702                     if (&adev->sdma.instance[i].ring == ring)
1703                               break;
1704 
1705           if (i < AMDGPU_MAX_SDMA_INSTANCES)
1706                     return &adev->sdma.instance[i];
1707           else
1708                     return NULL;
1709 }
1710 
1711 /*
1712  * ASICs macro.
1713  */
1714 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1715 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1716 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1717 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1718 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1719 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1720 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1721 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1722 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1723 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1724 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1725 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1726 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1727 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1728 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1729 #define amdgpu_gmc_flush_gpu_tlb(adev, vmid) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid))
1730 #define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, addr) (r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (addr))
1731 #define amdgpu_gmc_emit_pasid_mapping(r, vmid, pasid) (r)->adev->gmc.gmc_funcs->emit_pasid_mapping((r), (vmid), (pasid))
1732 #define amdgpu_gmc_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gmc.gmc_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
1733 #define amdgpu_gmc_get_vm_pde(adev, level, dst, flags) (adev)->gmc.gmc_funcs->get_vm_pde((adev), (level), (dst), (flags))
1734 #define amdgpu_gmc_get_pte_flags(adev, flags) (adev)->gmc.gmc_funcs->get_vm_pte_flags((adev),(flags))
1735 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
1736 #define amdgpu_vm_write_pte(adev, ib, pe, value, count, incr) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (value), (count), (incr)))
1737 #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)))
1738 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
1739 #define amdgpu_ring_patch_cs_in_place(r, p, ib) ((r)->funcs->patch_cs_in_place((p), (ib)))
1740 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
1741 #define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t))
1742 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
1743 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
1744 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
1745 #define amdgpu_ring_emit_ib(r, ib, vmid, c) (r)->funcs->emit_ib((r), (ib), (vmid), (c))
1746 #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r))
1747 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
1748 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
1749 #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))
1750 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
1751 #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
1752 #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
1753 #define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d))
1754 #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
1755 #define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m))
1756 #define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m))
1757 #define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b))
1758 #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
1759 #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
1760 #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
1761 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
1762 #define amdgpu_ih_prescreen_iv(adev) (adev)->irq.ih_funcs->prescreen_iv((adev))
1763 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
1764 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
1765 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
1766 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
1767 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
1768 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
1769 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
1770 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
1771 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
1772 #define amdgpu_display_page_flip(adev, crtc, base, async) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base), (async))
1773 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
1774 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
1775 #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))
1776 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib),  (s), (d), (b))
1777 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
1778 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
1779 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
1780 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
1781 #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
1782 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q))
1783 
1784 /* Common functions */
1785 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1786                                     struct amdgpu_job* job, bool force);
1787 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1788 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1789 void amdgpu_display_update_priority(struct amdgpu_device *adev);
1790 
1791 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1792                                           u64 num_vis_bytes);
1793 void amdgpu_device_vram_location(struct amdgpu_device *adev,
1794                                          struct amdgpu_gmc *mc, u64 base);
1795 void amdgpu_device_gart_location(struct amdgpu_device *adev,
1796                                          struct amdgpu_gmc *mc);
1797 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1798 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1799                                                        const u32 *registers,
1800                                                        const u32 array_size);
1801 
1802 bool amdgpu_device_is_px(struct drm_device *dev);
1803 /* atpx handler */
1804 #if defined(CONFIG_VGA_SWITCHEROO)
1805 void amdgpu_register_atpx_handler(void);
1806 void amdgpu_unregister_atpx_handler(void);
1807 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1808 bool amdgpu_is_atpx_hybrid(void);
1809 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1810 bool amdgpu_has_atpx(void);
1811 #else
amdgpu_register_atpx_handler(void)1812 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1813 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1814 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1815 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_atpx_dgpu_req_power_for_displays(void)1816 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
amdgpu_has_atpx(void)1817 static inline bool amdgpu_has_atpx(void) { return false; }
1818 #endif
1819 
1820 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1821 void *amdgpu_atpx_get_dhandle(void);
1822 #else
amdgpu_atpx_get_dhandle(void)1823 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1824 #endif
1825 
1826 /*
1827  * KMS
1828  */
1829 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1830 extern const int amdgpu_max_kms_ioctl;
1831 
1832 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1833 void amdgpu_driver_unload_kms(struct drm_device *dev);
1834 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1835 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1836 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1837                                          struct drm_file *file_priv);
1838 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1839 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1840 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1841 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1842 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1843 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1844 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1845                                    unsigned long arg);
1846 
1847 /*
1848  * functions used by amdgpu_encoder.c
1849  */
1850 struct amdgpu_afmt_acr {
1851           u32 clock;
1852 
1853           int n_32khz;
1854           int cts_32khz;
1855 
1856           int n_44_1khz;
1857           int cts_44_1khz;
1858 
1859           int n_48khz;
1860           int cts_48khz;
1861 
1862 };
1863 
1864 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1865 
1866 /* amdgpu_acpi.c */
1867 #if defined(CONFIG_ACPI)
1868 int amdgpu_acpi_init(struct amdgpu_device *adev);
1869 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1870 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1871 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1872                                                             u8 perf_req, bool advertise);
1873 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1874 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1875 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_fini(struct amdgpu_device * adev)1876 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1877 #endif
1878 
1879 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1880                                  uint64_t addr, struct amdgpu_bo **bo,
1881                                  struct amdgpu_bo_va_mapping **mapping);
1882 
1883 #if defined(CONFIG_DRM_AMD_DC)
1884 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1885 #else
amdgpu_dm_display_resume(struct amdgpu_device * adev)1886 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1887 #endif
1888 
1889 #include "amdgpu_object.h"
1890 #endif
1891