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