xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision ef4290e6)
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 #ifdef pr_fmt
32 #undef pr_fmt
33 #endif
34 
35 #define pr_fmt(fmt) "amdgpu: " fmt
36 
37 #ifdef dev_fmt
38 #undef dev_fmt
39 #endif
40 
41 #define dev_fmt(fmt) "amdgpu: " fmt
42 
43 #include "amdgpu_ctx.h"
44 
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53 #include <linux/aer.h>
54 
55 #include <drm/ttm/ttm_bo_api.h>
56 #include <drm/ttm/ttm_bo_driver.h>
57 #include <drm/ttm/ttm_placement.h>
58 #include <drm/ttm/ttm_execbuf_util.h>
59 
60 #include <drm/amdgpu_drm.h>
61 #include <drm/drm_gem.h>
62 #include <drm/drm_ioctl.h>
63 
64 #include <kgd_kfd_interface.h>
65 #include "dm_pp_interface.h"
66 #include "kgd_pp_interface.h"
67 
68 #include "amd_shared.h"
69 #include "amdgpu_mode.h"
70 #include "amdgpu_ih.h"
71 #include "amdgpu_irq.h"
72 #include "amdgpu_ucode.h"
73 #include "amdgpu_ttm.h"
74 #include "amdgpu_psp.h"
75 #include "amdgpu_gds.h"
76 #include "amdgpu_sync.h"
77 #include "amdgpu_ring.h"
78 #include "amdgpu_vm.h"
79 #include "amdgpu_dpm.h"
80 #include "amdgpu_acp.h"
81 #include "amdgpu_uvd.h"
82 #include "amdgpu_vce.h"
83 #include "amdgpu_vcn.h"
84 #include "amdgpu_jpeg.h"
85 #include "amdgpu_gmc.h"
86 #include "amdgpu_gfx.h"
87 #include "amdgpu_sdma.h"
88 #include "amdgpu_lsdma.h"
89 #include "amdgpu_nbio.h"
90 #include "amdgpu_hdp.h"
91 #include "amdgpu_dm.h"
92 #include "amdgpu_virt.h"
93 #include "amdgpu_csa.h"
94 #include "amdgpu_mes_ctx.h"
95 #include "amdgpu_gart.h"
96 #include "amdgpu_debugfs.h"
97 #include "amdgpu_job.h"
98 #include "amdgpu_bo_list.h"
99 #include "amdgpu_gem.h"
100 #include "amdgpu_doorbell.h"
101 #include "amdgpu_amdkfd.h"
102 #include "amdgpu_discovery.h"
103 #include "amdgpu_mes.h"
104 #include "amdgpu_umc.h"
105 #include "amdgpu_mmhub.h"
106 #include "amdgpu_gfxhub.h"
107 #include "amdgpu_df.h"
108 #include "amdgpu_smuio.h"
109 #include "amdgpu_fdinfo.h"
110 #include "amdgpu_mca.h"
111 #include "amdgpu_ras.h"
112 
113 #define MAX_GPU_INSTANCE		16
114 
115 struct amdgpu_gpu_instance
116 {
117 	struct amdgpu_device		*adev;
118 	int				mgpu_fan_enabled;
119 };
120 
121 struct amdgpu_mgpu_info
122 {
123 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
124 	struct mutex			mutex;
125 	uint32_t			num_gpu;
126 	uint32_t			num_dgpu;
127 	uint32_t			num_apu;
128 
129 	/* delayed reset_func for XGMI configuration if necessary */
130 	struct delayed_work		delayed_reset_work;
131 	bool				pending_reset;
132 };
133 
134 enum amdgpu_ss {
135 	AMDGPU_SS_DRV_LOAD,
136 	AMDGPU_SS_DEV_D0,
137 	AMDGPU_SS_DEV_D3,
138 	AMDGPU_SS_DRV_UNLOAD
139 };
140 
141 struct amdgpu_watchdog_timer
142 {
143 	bool timeout_fatal_disable;
144 	uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
145 };
146 
147 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
148 
149 /*
150  * Modules parameters.
151  */
152 extern int amdgpu_modeset;
153 extern int amdgpu_vram_limit;
154 extern int amdgpu_vis_vram_limit;
155 extern int amdgpu_gart_size;
156 extern int amdgpu_gtt_size;
157 extern int amdgpu_moverate;
158 extern int amdgpu_audio;
159 extern int amdgpu_disp_priority;
160 extern int amdgpu_hw_i2c;
161 extern int amdgpu_pcie_gen2;
162 extern int amdgpu_msi;
163 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
164 extern int amdgpu_dpm;
165 extern int amdgpu_fw_load_type;
166 extern int amdgpu_aspm;
167 extern int amdgpu_runtime_pm;
168 extern uint amdgpu_ip_block_mask;
169 extern int amdgpu_bapm;
170 extern int amdgpu_deep_color;
171 extern int amdgpu_vm_size;
172 extern int amdgpu_vm_block_size;
173 extern int amdgpu_vm_fragment_size;
174 extern int amdgpu_vm_fault_stop;
175 extern int amdgpu_vm_debug;
176 extern int amdgpu_vm_update_mode;
177 extern int amdgpu_exp_hw_support;
178 extern int amdgpu_dc;
179 extern int amdgpu_sched_jobs;
180 extern int amdgpu_sched_hw_submission;
181 extern uint amdgpu_pcie_gen_cap;
182 extern uint amdgpu_pcie_lane_cap;
183 extern u64 amdgpu_cg_mask;
184 extern uint amdgpu_pg_mask;
185 extern uint amdgpu_sdma_phase_quantum;
186 extern char *amdgpu_disable_cu;
187 extern char *amdgpu_virtual_display;
188 extern uint amdgpu_pp_feature_mask;
189 extern uint amdgpu_force_long_training;
190 extern int amdgpu_job_hang_limit;
191 extern int amdgpu_lbpw;
192 extern int amdgpu_compute_multipipe;
193 extern int amdgpu_gpu_recovery;
194 extern int amdgpu_emu_mode;
195 extern uint amdgpu_smu_memory_pool_size;
196 extern int amdgpu_smu_pptable_id;
197 extern uint amdgpu_dc_feature_mask;
198 extern uint amdgpu_dc_debug_mask;
199 extern uint amdgpu_dc_visual_confirm;
200 extern uint amdgpu_dm_abm_level;
201 extern int amdgpu_backlight;
202 extern struct amdgpu_mgpu_info mgpu_info;
203 extern int amdgpu_ras_enable;
204 extern uint amdgpu_ras_mask;
205 extern int amdgpu_bad_page_threshold;
206 extern bool amdgpu_ignore_bad_page_threshold;
207 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
208 extern int amdgpu_async_gfx_ring;
209 extern int amdgpu_mcbp;
210 extern int amdgpu_discovery;
211 extern int amdgpu_mes;
212 extern int amdgpu_mes_kiq;
213 extern int amdgpu_noretry;
214 extern int amdgpu_force_asic_type;
215 extern int amdgpu_smartshift_bias;
216 extern int amdgpu_use_xgmi_p2p;
217 #ifdef CONFIG_HSA_AMD
218 extern int sched_policy;
219 extern bool debug_evictions;
220 extern bool no_system_mem_limit;
221 extern int halt_if_hws_hang;
222 #else
223 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
224 static const bool __maybe_unused debug_evictions; /* = false */
225 static const bool __maybe_unused no_system_mem_limit;
226 static const int __maybe_unused halt_if_hws_hang;
227 #endif
228 #ifdef CONFIG_HSA_AMD_P2P
229 extern bool pcie_p2p;
230 #endif
231 
232 extern int amdgpu_tmz;
233 extern int amdgpu_reset_method;
234 
235 #ifdef CONFIG_DRM_AMDGPU_SI
236 extern int amdgpu_si_support;
237 #endif
238 #ifdef CONFIG_DRM_AMDGPU_CIK
239 extern int amdgpu_cik_support;
240 #endif
241 extern int amdgpu_num_kcq;
242 
243 #define AMDGPU_VCNFW_LOG_SIZE (32 * 1024)
244 extern int amdgpu_vcnfw_log;
245 
246 #define AMDGPU_VM_MAX_NUM_CTX			4096
247 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
248 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
249 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
250 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
251 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
252 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
253 #define AMDGPUFB_CONN_LIMIT			4
254 #define AMDGPU_BIOS_NUM_SCRATCH			16
255 
256 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
257 
258 /* hard reset data */
259 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
260 
261 /* reset flags */
262 #define AMDGPU_RESET_GFX			(1 << 0)
263 #define AMDGPU_RESET_COMPUTE			(1 << 1)
264 #define AMDGPU_RESET_DMA			(1 << 2)
265 #define AMDGPU_RESET_CP				(1 << 3)
266 #define AMDGPU_RESET_GRBM			(1 << 4)
267 #define AMDGPU_RESET_DMA1			(1 << 5)
268 #define AMDGPU_RESET_RLC			(1 << 6)
269 #define AMDGPU_RESET_SEM			(1 << 7)
270 #define AMDGPU_RESET_IH				(1 << 8)
271 #define AMDGPU_RESET_VMC			(1 << 9)
272 #define AMDGPU_RESET_MC				(1 << 10)
273 #define AMDGPU_RESET_DISPLAY			(1 << 11)
274 #define AMDGPU_RESET_UVD			(1 << 12)
275 #define AMDGPU_RESET_VCE			(1 << 13)
276 #define AMDGPU_RESET_VCE1			(1 << 14)
277 
278 /* max cursor sizes (in pixels) */
279 #define CIK_CURSOR_WIDTH 128
280 #define CIK_CURSOR_HEIGHT 128
281 
282 /* smart shift bias level limits */
283 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
284 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
285 
286 struct amdgpu_device;
287 struct amdgpu_irq_src;
288 struct amdgpu_fpriv;
289 struct amdgpu_bo_va_mapping;
290 struct kfd_vm_fault_info;
291 struct amdgpu_hive_info;
292 struct amdgpu_reset_context;
293 struct amdgpu_reset_control;
294 
295 enum amdgpu_cp_irq {
296 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
297 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
298 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
299 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
300 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
301 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
302 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
303 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
304 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
305 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
306 
307 	AMDGPU_CP_IRQ_LAST
308 };
309 
310 enum amdgpu_thermal_irq {
311 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
312 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
313 
314 	AMDGPU_THERMAL_IRQ_LAST
315 };
316 
317 enum amdgpu_kiq_irq {
318 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
319 	AMDGPU_CP_KIQ_IRQ_LAST
320 };
321 #define SRIOV_USEC_TIMEOUT  1200000 /* wait 12 * 100ms for SRIOV */
322 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
323 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
324 #define MAX_KIQ_REG_TRY 1000
325 
326 int amdgpu_device_ip_set_clockgating_state(void *dev,
327 					   enum amd_ip_block_type block_type,
328 					   enum amd_clockgating_state state);
329 int amdgpu_device_ip_set_powergating_state(void *dev,
330 					   enum amd_ip_block_type block_type,
331 					   enum amd_powergating_state state);
332 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
333 					    u64 *flags);
334 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
335 				   enum amd_ip_block_type block_type);
336 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
337 			      enum amd_ip_block_type block_type);
338 
339 #define AMDGPU_MAX_IP_NUM 16
340 
341 struct amdgpu_ip_block_status {
342 	bool valid;
343 	bool sw;
344 	bool hw;
345 	bool late_initialized;
346 	bool hang;
347 };
348 
349 struct amdgpu_ip_block_version {
350 	const enum amd_ip_block_type type;
351 	const u32 major;
352 	const u32 minor;
353 	const u32 rev;
354 	const struct amd_ip_funcs *funcs;
355 };
356 
357 #define HW_REV(_Major, _Minor, _Rev) \
358 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
359 
360 struct amdgpu_ip_block {
361 	struct amdgpu_ip_block_status status;
362 	const struct amdgpu_ip_block_version *version;
363 };
364 
365 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
366 				       enum amd_ip_block_type type,
367 				       u32 major, u32 minor);
368 
369 struct amdgpu_ip_block *
370 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
371 			      enum amd_ip_block_type type);
372 
373 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
374 			       const struct amdgpu_ip_block_version *ip_block_version);
375 
376 /*
377  * BIOS.
378  */
379 bool amdgpu_get_bios(struct amdgpu_device *adev);
380 bool amdgpu_read_bios(struct amdgpu_device *adev);
381 bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev,
382 				     u8 *bios, u32 length_bytes);
383 /*
384  * Clocks
385  */
386 
387 #define AMDGPU_MAX_PPLL 3
388 
389 struct amdgpu_clock {
390 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
391 	struct amdgpu_pll spll;
392 	struct amdgpu_pll mpll;
393 	/* 10 Khz units */
394 	uint32_t default_mclk;
395 	uint32_t default_sclk;
396 	uint32_t default_dispclk;
397 	uint32_t current_dispclk;
398 	uint32_t dp_extclk;
399 	uint32_t max_pixel_clock;
400 };
401 
402 /* sub-allocation manager, it has to be protected by another lock.
403  * By conception this is an helper for other part of the driver
404  * like the indirect buffer or semaphore, which both have their
405  * locking.
406  *
407  * Principe is simple, we keep a list of sub allocation in offset
408  * order (first entry has offset == 0, last entry has the highest
409  * offset).
410  *
411  * When allocating new object we first check if there is room at
412  * the end total_size - (last_object_offset + last_object_size) >=
413  * alloc_size. If so we allocate new object there.
414  *
415  * When there is not enough room at the end, we start waiting for
416  * each sub object until we reach object_offset+object_size >=
417  * alloc_size, this object then become the sub object we return.
418  *
419  * Alignment can't be bigger than page size.
420  *
421  * Hole are not considered for allocation to keep things simple.
422  * Assumption is that there won't be hole (all object on same
423  * alignment).
424  */
425 
426 #define AMDGPU_SA_NUM_FENCE_LISTS	32
427 
428 struct amdgpu_sa_manager {
429 	wait_queue_head_t	wq;
430 	struct amdgpu_bo	*bo;
431 	struct list_head	*hole;
432 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
433 	struct list_head	olist;
434 	unsigned		size;
435 	uint64_t		gpu_addr;
436 	void			*cpu_ptr;
437 	uint32_t		domain;
438 	uint32_t		align;
439 };
440 
441 /* sub-allocation buffer */
442 struct amdgpu_sa_bo {
443 	struct list_head		olist;
444 	struct list_head		flist;
445 	struct amdgpu_sa_manager	*manager;
446 	unsigned			soffset;
447 	unsigned			eoffset;
448 	struct dma_fence	        *fence;
449 };
450 
451 int amdgpu_fence_slab_init(void);
452 void amdgpu_fence_slab_fini(void);
453 
454 /*
455  * IRQS.
456  */
457 
458 struct amdgpu_flip_work {
459 	struct delayed_work		flip_work;
460 	struct work_struct		unpin_work;
461 	struct amdgpu_device		*adev;
462 	int				crtc_id;
463 	u32				target_vblank;
464 	uint64_t			base;
465 	struct drm_pending_vblank_event *event;
466 	struct amdgpu_bo		*old_abo;
467 	unsigned			shared_count;
468 	struct dma_fence		**shared;
469 	struct dma_fence_cb		cb;
470 	bool				async;
471 };
472 
473 
474 /*
475  * file private structure
476  */
477 
478 struct amdgpu_fpriv {
479 	struct amdgpu_vm	vm;
480 	struct amdgpu_bo_va	*prt_va;
481 	struct amdgpu_bo_va	*csa_va;
482 	struct mutex		bo_list_lock;
483 	struct idr		bo_list_handles;
484 	struct amdgpu_ctx_mgr	ctx_mgr;
485 };
486 
487 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
488 
489 /*
490  * Writeback
491  */
492 #define AMDGPU_MAX_WB 256	/* Reserve at most 256 WB slots for amdgpu-owned rings. */
493 
494 struct amdgpu_wb {
495 	struct amdgpu_bo	*wb_obj;
496 	volatile uint32_t	*wb;
497 	uint64_t		gpu_addr;
498 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
499 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
500 };
501 
502 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
503 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
504 
505 /*
506  * Benchmarking
507  */
508 int amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
509 
510 /*
511  * ASIC specific register table accessible by UMD
512  */
513 struct amdgpu_allowed_register_entry {
514 	uint32_t reg_offset;
515 	bool grbm_indexed;
516 };
517 
518 enum amd_reset_method {
519 	AMD_RESET_METHOD_NONE = -1,
520 	AMD_RESET_METHOD_LEGACY = 0,
521 	AMD_RESET_METHOD_MODE0,
522 	AMD_RESET_METHOD_MODE1,
523 	AMD_RESET_METHOD_MODE2,
524 	AMD_RESET_METHOD_BACO,
525 	AMD_RESET_METHOD_PCI,
526 };
527 
528 struct amdgpu_video_codec_info {
529 	u32 codec_type;
530 	u32 max_width;
531 	u32 max_height;
532 	u32 max_pixels_per_frame;
533 	u32 max_level;
534 };
535 
536 #define codec_info_build(type, width, height, level) \
537 			 .codec_type = type,\
538 			 .max_width = width,\
539 			 .max_height = height,\
540 			 .max_pixels_per_frame = height * width,\
541 			 .max_level = level,
542 
543 struct amdgpu_video_codecs {
544 	const u32 codec_count;
545 	const struct amdgpu_video_codec_info *codec_array;
546 };
547 
548 /*
549  * ASIC specific functions.
550  */
551 struct amdgpu_asic_funcs {
552 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
553 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
554 				   u8 *bios, u32 length_bytes);
555 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
556 			     u32 sh_num, u32 reg_offset, u32 *value);
557 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
558 	int (*reset)(struct amdgpu_device *adev);
559 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
560 	/* get the reference clock */
561 	u32 (*get_xclk)(struct amdgpu_device *adev);
562 	/* MM block clocks */
563 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
564 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
565 	/* static power management */
566 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
567 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
568 	/* get config memsize register */
569 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
570 	/* flush hdp write queue */
571 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
572 	/* invalidate hdp read cache */
573 	void (*invalidate_hdp)(struct amdgpu_device *adev,
574 			       struct amdgpu_ring *ring);
575 	/* check if the asic needs a full reset of if soft reset will work */
576 	bool (*need_full_reset)(struct amdgpu_device *adev);
577 	/* initialize doorbell layout for specific asic*/
578 	void (*init_doorbell_index)(struct amdgpu_device *adev);
579 	/* PCIe bandwidth usage */
580 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
581 			       uint64_t *count1);
582 	/* do we need to reset the asic at init time (e.g., kexec) */
583 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
584 	/* PCIe replay counter */
585 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
586 	/* device supports BACO */
587 	bool (*supports_baco)(struct amdgpu_device *adev);
588 	/* pre asic_init quirks */
589 	void (*pre_asic_init)(struct amdgpu_device *adev);
590 	/* enter/exit umd stable pstate */
591 	int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
592 	/* query video codecs */
593 	int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
594 				  const struct amdgpu_video_codecs **codecs);
595 };
596 
597 /*
598  * IOCTL.
599  */
600 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
601 				struct drm_file *filp);
602 
603 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
604 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
605 				    struct drm_file *filp);
606 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
607 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
608 				struct drm_file *filp);
609 
610 /* VRAM scratch page for HDP bug, default vram page */
611 struct amdgpu_vram_scratch {
612 	struct amdgpu_bo		*robj;
613 	volatile uint32_t		*ptr;
614 	u64				gpu_addr;
615 };
616 
617 /*
618  * CGS
619  */
620 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
621 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
622 
623 /*
624  * Core structure, functions and helpers.
625  */
626 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
627 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
628 
629 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
630 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
631 
632 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
633 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
634 
635 struct amdgpu_mmio_remap {
636 	u32 reg_offset;
637 	resource_size_t bus_addr;
638 };
639 
640 /* Define the HW IP blocks will be used in driver , add more if necessary */
641 enum amd_hw_ip_block_type {
642 	GC_HWIP = 1,
643 	HDP_HWIP,
644 	SDMA0_HWIP,
645 	SDMA1_HWIP,
646 	SDMA2_HWIP,
647 	SDMA3_HWIP,
648 	SDMA4_HWIP,
649 	SDMA5_HWIP,
650 	SDMA6_HWIP,
651 	SDMA7_HWIP,
652 	LSDMA_HWIP,
653 	MMHUB_HWIP,
654 	ATHUB_HWIP,
655 	NBIO_HWIP,
656 	MP0_HWIP,
657 	MP1_HWIP,
658 	UVD_HWIP,
659 	VCN_HWIP = UVD_HWIP,
660 	JPEG_HWIP = VCN_HWIP,
661 	VCN1_HWIP,
662 	VCE_HWIP,
663 	DF_HWIP,
664 	DCE_HWIP,
665 	OSSSYS_HWIP,
666 	SMUIO_HWIP,
667 	PWR_HWIP,
668 	NBIF_HWIP,
669 	THM_HWIP,
670 	CLK_HWIP,
671 	UMC_HWIP,
672 	RSMU_HWIP,
673 	XGMI_HWIP,
674 	DCI_HWIP,
675 	PCIE_HWIP,
676 	MAX_HWIP
677 };
678 
679 #define HWIP_MAX_INSTANCE	28
680 
681 #define HW_ID_MAX		300
682 #define IP_VERSION(mj, mn, rv) (((mj) << 16) | ((mn) << 8) | (rv))
683 #define IP_VERSION_MAJ(ver) ((ver) >> 16)
684 #define IP_VERSION_MIN(ver) (((ver) >> 8) & 0xFF)
685 #define IP_VERSION_REV(ver) ((ver) & 0xFF)
686 
687 struct amd_powerplay {
688 	void *pp_handle;
689 	const struct amd_pm_funcs *pp_funcs;
690 };
691 
692 struct ip_discovery_top;
693 
694 /* polaris10 kickers */
695 #define ASICID_IS_P20(did, rid)		(((did == 0x67DF) && \
696 					 ((rid == 0xE3) || \
697 					  (rid == 0xE4) || \
698 					  (rid == 0xE5) || \
699 					  (rid == 0xE7) || \
700 					  (rid == 0xEF))) || \
701 					 ((did == 0x6FDF) && \
702 					 ((rid == 0xE7) || \
703 					  (rid == 0xEF) || \
704 					  (rid == 0xFF))))
705 
706 #define ASICID_IS_P30(did, rid)		((did == 0x67DF) && \
707 					((rid == 0xE1) || \
708 					 (rid == 0xF7)))
709 
710 /* polaris11 kickers */
711 #define ASICID_IS_P21(did, rid)		(((did == 0x67EF) && \
712 					 ((rid == 0xE0) || \
713 					  (rid == 0xE5))) || \
714 					 ((did == 0x67FF) && \
715 					 ((rid == 0xCF) || \
716 					  (rid == 0xEF) || \
717 					  (rid == 0xFF))))
718 
719 #define ASICID_IS_P31(did, rid)		((did == 0x67EF) && \
720 					((rid == 0xE2)))
721 
722 /* polaris12 kickers */
723 #define ASICID_IS_P23(did, rid)		(((did == 0x6987) && \
724 					 ((rid == 0xC0) || \
725 					  (rid == 0xC1) || \
726 					  (rid == 0xC3) || \
727 					  (rid == 0xC7))) || \
728 					 ((did == 0x6981) && \
729 					 ((rid == 0x00) || \
730 					  (rid == 0x01) || \
731 					  (rid == 0x10))))
732 
733 struct amdgpu_mqd_prop {
734 	uint64_t mqd_gpu_addr;
735 	uint64_t hqd_base_gpu_addr;
736 	uint64_t rptr_gpu_addr;
737 	uint64_t wptr_gpu_addr;
738 	uint32_t queue_size;
739 	bool use_doorbell;
740 	uint32_t doorbell_index;
741 	uint64_t eop_gpu_addr;
742 	uint32_t hqd_pipe_priority;
743 	uint32_t hqd_queue_priority;
744 	bool hqd_active;
745 };
746 
747 struct amdgpu_mqd {
748 	unsigned mqd_size;
749 	int (*init_mqd)(struct amdgpu_device *adev, void *mqd,
750 			struct amdgpu_mqd_prop *p);
751 };
752 
753 #define AMDGPU_RESET_MAGIC_NUM 64
754 #define AMDGPU_MAX_DF_PERFMONS 4
755 #define AMDGPU_PRODUCT_NAME_LEN 64
756 struct amdgpu_reset_domain;
757 
758 struct amdgpu_device {
759 	struct device			*dev;
760 	struct pci_dev			*pdev;
761 	struct drm_device		ddev;
762 
763 #ifdef CONFIG_DRM_AMD_ACP
764 	struct amdgpu_acp		acp;
765 #endif
766 	struct amdgpu_hive_info *hive;
767 	/* ASIC */
768 	enum amd_asic_type		asic_type;
769 	uint32_t			family;
770 	uint32_t			rev_id;
771 	uint32_t			external_rev_id;
772 	unsigned long			flags;
773 	unsigned long			apu_flags;
774 	int				usec_timeout;
775 	const struct amdgpu_asic_funcs	*asic_funcs;
776 	bool				shutdown;
777 	bool				need_swiotlb;
778 	bool				accel_working;
779 	struct notifier_block		acpi_nb;
780 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
781 	struct debugfs_blob_wrapper     debugfs_vbios_blob;
782 	struct debugfs_blob_wrapper     debugfs_discovery_blob;
783 	struct mutex			srbm_mutex;
784 	/* GRBM index mutex. Protects concurrent access to GRBM index */
785 	struct mutex                    grbm_idx_mutex;
786 	struct dev_pm_domain		vga_pm_domain;
787 	bool				have_disp_power_ref;
788 	bool                            have_atomics_support;
789 
790 	/* BIOS */
791 	bool				is_atom_fw;
792 	uint8_t				*bios;
793 	uint32_t			bios_size;
794 	uint32_t			bios_scratch_reg_offset;
795 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
796 
797 	/* Register/doorbell mmio */
798 	resource_size_t			rmmio_base;
799 	resource_size_t			rmmio_size;
800 	void __iomem			*rmmio;
801 	/* protects concurrent MM_INDEX/DATA based register access */
802 	spinlock_t mmio_idx_lock;
803 	struct amdgpu_mmio_remap        rmmio_remap;
804 	/* protects concurrent SMC based register access */
805 	spinlock_t smc_idx_lock;
806 	amdgpu_rreg_t			smc_rreg;
807 	amdgpu_wreg_t			smc_wreg;
808 	/* protects concurrent PCIE register access */
809 	spinlock_t pcie_idx_lock;
810 	amdgpu_rreg_t			pcie_rreg;
811 	amdgpu_wreg_t			pcie_wreg;
812 	amdgpu_rreg_t			pciep_rreg;
813 	amdgpu_wreg_t			pciep_wreg;
814 	amdgpu_rreg64_t			pcie_rreg64;
815 	amdgpu_wreg64_t			pcie_wreg64;
816 	/* protects concurrent UVD register access */
817 	spinlock_t uvd_ctx_idx_lock;
818 	amdgpu_rreg_t			uvd_ctx_rreg;
819 	amdgpu_wreg_t			uvd_ctx_wreg;
820 	/* protects concurrent DIDT register access */
821 	spinlock_t didt_idx_lock;
822 	amdgpu_rreg_t			didt_rreg;
823 	amdgpu_wreg_t			didt_wreg;
824 	/* protects concurrent gc_cac register access */
825 	spinlock_t gc_cac_idx_lock;
826 	amdgpu_rreg_t			gc_cac_rreg;
827 	amdgpu_wreg_t			gc_cac_wreg;
828 	/* protects concurrent se_cac register access */
829 	spinlock_t se_cac_idx_lock;
830 	amdgpu_rreg_t			se_cac_rreg;
831 	amdgpu_wreg_t			se_cac_wreg;
832 	/* protects concurrent ENDPOINT (audio) register access */
833 	spinlock_t audio_endpt_idx_lock;
834 	amdgpu_block_rreg_t		audio_endpt_rreg;
835 	amdgpu_block_wreg_t		audio_endpt_wreg;
836 	struct amdgpu_doorbell		doorbell;
837 
838 	/* clock/pll info */
839 	struct amdgpu_clock            clock;
840 
841 	/* MC */
842 	struct amdgpu_gmc		gmc;
843 	struct amdgpu_gart		gart;
844 	dma_addr_t			dummy_page_addr;
845 	struct amdgpu_vm_manager	vm_manager;
846 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
847 	unsigned			num_vmhubs;
848 
849 	/* memory management */
850 	struct amdgpu_mman		mman;
851 	struct amdgpu_vram_scratch	vram_scratch;
852 	struct amdgpu_wb		wb;
853 	atomic64_t			num_bytes_moved;
854 	atomic64_t			num_evictions;
855 	atomic64_t			num_vram_cpu_page_faults;
856 	atomic_t			gpu_reset_counter;
857 	atomic_t			vram_lost_counter;
858 
859 	/* data for buffer migration throttling */
860 	struct {
861 		spinlock_t		lock;
862 		s64			last_update_us;
863 		s64			accum_us; /* accumulated microseconds */
864 		s64			accum_us_vis; /* for visible VRAM */
865 		u32			log2_max_MBps;
866 	} mm_stats;
867 
868 	/* display */
869 	bool				enable_virtual_display;
870 	struct amdgpu_vkms_output       *amdgpu_vkms_output;
871 	struct amdgpu_mode_info		mode_info;
872 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
873 	struct work_struct		hotplug_work;
874 	struct amdgpu_irq_src		crtc_irq;
875 	struct amdgpu_irq_src		vline0_irq;
876 	struct amdgpu_irq_src		vupdate_irq;
877 	struct amdgpu_irq_src		pageflip_irq;
878 	struct amdgpu_irq_src		hpd_irq;
879 	struct amdgpu_irq_src		dmub_trace_irq;
880 	struct amdgpu_irq_src		dmub_outbox_irq;
881 
882 	/* rings */
883 	u64				fence_context;
884 	unsigned			num_rings;
885 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
886 	struct dma_fence __rcu		*gang_submit;
887 	bool				ib_pool_ready;
888 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
889 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
890 
891 	/* interrupts */
892 	struct amdgpu_irq		irq;
893 
894 	/* powerplay */
895 	struct amd_powerplay		powerplay;
896 	struct amdgpu_pm		pm;
897 	u64				cg_flags;
898 	u32				pg_flags;
899 
900 	/* nbio */
901 	struct amdgpu_nbio		nbio;
902 
903 	/* hdp */
904 	struct amdgpu_hdp		hdp;
905 
906 	/* smuio */
907 	struct amdgpu_smuio		smuio;
908 
909 	/* mmhub */
910 	struct amdgpu_mmhub		mmhub;
911 
912 	/* gfxhub */
913 	struct amdgpu_gfxhub		gfxhub;
914 
915 	/* gfx */
916 	struct amdgpu_gfx		gfx;
917 
918 	/* sdma */
919 	struct amdgpu_sdma		sdma;
920 
921 	/* lsdma */
922 	struct amdgpu_lsdma		lsdma;
923 
924 	/* uvd */
925 	struct amdgpu_uvd		uvd;
926 
927 	/* vce */
928 	struct amdgpu_vce		vce;
929 
930 	/* vcn */
931 	struct amdgpu_vcn		vcn;
932 
933 	/* jpeg */
934 	struct amdgpu_jpeg		jpeg;
935 
936 	/* firmwares */
937 	struct amdgpu_firmware		firmware;
938 
939 	/* PSP */
940 	struct psp_context		psp;
941 
942 	/* GDS */
943 	struct amdgpu_gds		gds;
944 
945 	/* KFD */
946 	struct amdgpu_kfd_dev		kfd;
947 
948 	/* UMC */
949 	struct amdgpu_umc		umc;
950 
951 	/* display related functionality */
952 	struct amdgpu_display_manager dm;
953 
954 	/* mes */
955 	bool                            enable_mes;
956 	bool                            enable_mes_kiq;
957 	struct amdgpu_mes               mes;
958 	struct amdgpu_mqd               mqds[AMDGPU_HW_IP_NUM];
959 
960 	/* df */
961 	struct amdgpu_df                df;
962 
963 	/* MCA */
964 	struct amdgpu_mca               mca;
965 
966 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
967 	uint32_t		        harvest_ip_mask;
968 	int				num_ip_blocks;
969 	struct mutex	mn_lock;
970 	DECLARE_HASHTABLE(mn_hash, 7);
971 
972 	/* tracking pinned memory */
973 	atomic64_t vram_pin_size;
974 	atomic64_t visible_pin_size;
975 	atomic64_t gart_pin_size;
976 
977 	/* soc15 register offset based on ip, instance and  segment */
978 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
979 
980 	/* delayed work_func for deferring clockgating during resume */
981 	struct delayed_work     delayed_init_work;
982 
983 	struct amdgpu_virt	virt;
984 
985 	/* link all shadow bo */
986 	struct list_head                shadow_list;
987 	struct mutex                    shadow_list_lock;
988 
989 	/* record hw reset is performed */
990 	bool has_hw_reset;
991 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
992 
993 	/* s3/s4 mask */
994 	bool                            in_suspend;
995 	bool				in_s3;
996 	bool				in_s4;
997 	bool				in_s0ix;
998 
999 	enum pp_mp1_state               mp1_state;
1000 	struct amdgpu_doorbell_index doorbell_index;
1001 
1002 	struct mutex			notifier_lock;
1003 
1004 	int asic_reset_res;
1005 	struct work_struct		xgmi_reset_work;
1006 	struct list_head		reset_list;
1007 
1008 	long				gfx_timeout;
1009 	long				sdma_timeout;
1010 	long				video_timeout;
1011 	long				compute_timeout;
1012 
1013 	uint64_t			unique_id;
1014 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1015 
1016 	/* enable runtime pm on the device */
1017 	bool                            in_runpm;
1018 	bool                            has_pr3;
1019 
1020 	bool                            pm_sysfs_en;
1021 	bool                            ucode_sysfs_en;
1022 	bool                            psp_sysfs_en;
1023 
1024 	/* Chip product information */
1025 	char				product_number[20];
1026 	char				product_name[AMDGPU_PRODUCT_NAME_LEN];
1027 	char				serial[20];
1028 
1029 	atomic_t			throttling_logging_enabled;
1030 	struct ratelimit_state		throttling_logging_rs;
1031 	uint32_t                        ras_hw_enabled;
1032 	uint32_t                        ras_enabled;
1033 
1034 	bool                            no_hw_access;
1035 	struct pci_saved_state          *pci_state;
1036 	pci_channel_state_t		pci_channel_state;
1037 
1038 	struct amdgpu_reset_control     *reset_cntl;
1039 	uint32_t                        ip_versions[MAX_HWIP][HWIP_MAX_INSTANCE];
1040 
1041 	bool				ram_is_direct_mapped;
1042 
1043 	struct list_head                ras_list;
1044 
1045 	struct ip_discovery_top         *ip_top;
1046 
1047 	struct amdgpu_reset_domain	*reset_domain;
1048 
1049 	struct mutex			benchmark_mutex;
1050 
1051 	/* reset dump register */
1052 	uint32_t                        *reset_dump_reg_list;
1053 	uint32_t			*reset_dump_reg_value;
1054 	int                             num_regs;
1055 #ifdef CONFIG_DEV_COREDUMP
1056 	struct amdgpu_task_info         reset_task_info;
1057 	bool                            reset_vram_lost;
1058 	struct timespec64               reset_time;
1059 #endif
1060 
1061 	bool                            scpm_enabled;
1062 	uint32_t                        scpm_status;
1063 
1064 	struct work_struct		reset_work;
1065 
1066 	bool                            job_hang;
1067 	bool                            dc_enabled;
1068 };
1069 
1070 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1071 {
1072 	return container_of(ddev, struct amdgpu_device, ddev);
1073 }
1074 
1075 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1076 {
1077 	return &adev->ddev;
1078 }
1079 
1080 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1081 {
1082 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1083 }
1084 
1085 int amdgpu_device_init(struct amdgpu_device *adev,
1086 		       uint32_t flags);
1087 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1088 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1089 
1090 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1091 
1092 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1093 			     void *buf, size_t size, bool write);
1094 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1095 				 void *buf, size_t size, bool write);
1096 
1097 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1098 			       void *buf, size_t size, bool write);
1099 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1100 			    uint32_t reg, uint32_t acc_flags);
1101 void amdgpu_device_wreg(struct amdgpu_device *adev,
1102 			uint32_t reg, uint32_t v,
1103 			uint32_t acc_flags);
1104 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1105 			     uint32_t reg, uint32_t v);
1106 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1107 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1108 
1109 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1110 				u32 pcie_index, u32 pcie_data,
1111 				u32 reg_addr);
1112 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1113 				  u32 pcie_index, u32 pcie_data,
1114 				  u32 reg_addr);
1115 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1116 				 u32 pcie_index, u32 pcie_data,
1117 				 u32 reg_addr, u32 reg_data);
1118 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1119 				   u32 pcie_index, u32 pcie_data,
1120 				   u32 reg_addr, u64 reg_data);
1121 
1122 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1123 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1124 
1125 void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev);
1126 
1127 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1128 				 struct amdgpu_reset_context *reset_context);
1129 
1130 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1131 			 struct amdgpu_reset_context *reset_context);
1132 
1133 int emu_soc_asic_init(struct amdgpu_device *adev);
1134 
1135 /*
1136  * Registers read & write functions.
1137  */
1138 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1139 #define AMDGPU_REGS_RLC	(1<<2)
1140 
1141 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1142 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1143 
1144 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1145 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1146 
1147 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1148 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1149 
1150 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1151 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1152 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1153 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1154 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1155 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1156 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1157 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1158 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1159 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1160 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1161 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1162 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1163 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1164 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1165 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1166 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1167 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1168 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1169 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1170 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1171 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1172 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1173 #define WREG32_P(reg, val, mask)				\
1174 	do {							\
1175 		uint32_t tmp_ = RREG32(reg);			\
1176 		tmp_ &= (mask);					\
1177 		tmp_ |= ((val) & ~(mask));			\
1178 		WREG32(reg, tmp_);				\
1179 	} while (0)
1180 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1181 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1182 #define WREG32_PLL_P(reg, val, mask)				\
1183 	do {							\
1184 		uint32_t tmp_ = RREG32_PLL(reg);		\
1185 		tmp_ &= (mask);					\
1186 		tmp_ |= ((val) & ~(mask));			\
1187 		WREG32_PLL(reg, tmp_);				\
1188 	} while (0)
1189 
1190 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1191 	do {                                                    \
1192 		u32 tmp = RREG32_SMC(_Reg);                     \
1193 		tmp &= (_Mask);                                 \
1194 		tmp |= ((_Val) & ~(_Mask));                     \
1195 		WREG32_SMC(_Reg, tmp);                          \
1196 	} while (0)
1197 
1198 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1199 
1200 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1201 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1202 
1203 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1204 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1205 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1206 
1207 #define REG_GET_FIELD(value, reg, field)				\
1208 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1209 
1210 #define WREG32_FIELD(reg, field, val)	\
1211 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1212 
1213 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1214 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1215 
1216 /*
1217  * BIOS helpers.
1218  */
1219 #define RBIOS8(i) (adev->bios[i])
1220 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1221 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1222 
1223 /*
1224  * ASICs macro.
1225  */
1226 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1227 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1228 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1229 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1230 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1231 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1232 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1233 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1234 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1235 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1236 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1237 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1238 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1239 #define amdgpu_asic_flush_hdp(adev, r) \
1240 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1241 #define amdgpu_asic_invalidate_hdp(adev, r) \
1242 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : \
1243 	 ((adev)->hdp.funcs->invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev), (r)) : 0))
1244 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1245 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1246 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1247 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1248 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1249 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1250 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1251 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1252 	((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1253 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1254 
1255 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1256 
1257 #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
1258 
1259 /* Common functions */
1260 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1261 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1262 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1263 			      struct amdgpu_job *job,
1264 			      struct amdgpu_reset_context *reset_context);
1265 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1266 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1267 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1268 bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev);
1269 
1270 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1271 				  u64 num_vis_bytes);
1272 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1273 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1274 					     const u32 *registers,
1275 					     const u32 array_size);
1276 
1277 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1278 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1279 bool amdgpu_device_supports_px(struct drm_device *dev);
1280 bool amdgpu_device_supports_boco(struct drm_device *dev);
1281 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1282 bool amdgpu_device_supports_baco(struct drm_device *dev);
1283 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1284 				      struct amdgpu_device *peer_adev);
1285 int amdgpu_device_baco_enter(struct drm_device *dev);
1286 int amdgpu_device_baco_exit(struct drm_device *dev);
1287 
1288 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1289 		struct amdgpu_ring *ring);
1290 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1291 		struct amdgpu_ring *ring);
1292 
1293 void amdgpu_device_halt(struct amdgpu_device *adev);
1294 u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev,
1295 				u32 reg);
1296 void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev,
1297 				u32 reg, u32 v);
1298 struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
1299 					    struct dma_fence *gang);
1300 bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev);
1301 
1302 /* atpx handler */
1303 #if defined(CONFIG_VGA_SWITCHEROO)
1304 void amdgpu_register_atpx_handler(void);
1305 void amdgpu_unregister_atpx_handler(void);
1306 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1307 bool amdgpu_is_atpx_hybrid(void);
1308 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1309 bool amdgpu_has_atpx(void);
1310 #else
1311 static inline void amdgpu_register_atpx_handler(void) {}
1312 static inline void amdgpu_unregister_atpx_handler(void) {}
1313 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1314 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1315 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1316 static inline bool amdgpu_has_atpx(void) { return false; }
1317 #endif
1318 
1319 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1320 void *amdgpu_atpx_get_dhandle(void);
1321 #else
1322 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1323 #endif
1324 
1325 /*
1326  * KMS
1327  */
1328 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1329 extern const int amdgpu_max_kms_ioctl;
1330 
1331 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1332 void amdgpu_driver_unload_kms(struct drm_device *dev);
1333 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1334 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1335 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1336 				 struct drm_file *file_priv);
1337 void amdgpu_driver_release_kms(struct drm_device *dev);
1338 
1339 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1340 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1341 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1342 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1343 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1344 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1345 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1346 		      struct drm_file *filp);
1347 
1348 /*
1349  * functions used by amdgpu_encoder.c
1350  */
1351 struct amdgpu_afmt_acr {
1352 	u32 clock;
1353 
1354 	int n_32khz;
1355 	int cts_32khz;
1356 
1357 	int n_44_1khz;
1358 	int cts_44_1khz;
1359 
1360 	int n_48khz;
1361 	int cts_48khz;
1362 
1363 };
1364 
1365 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1366 
1367 /* amdgpu_acpi.c */
1368 
1369 /* ATCS Device/Driver State */
1370 #define AMDGPU_ATCS_PSC_DEV_STATE_D0		0
1371 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT	3
1372 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR		0
1373 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR	1
1374 
1375 #if defined(CONFIG_ACPI)
1376 int amdgpu_acpi_init(struct amdgpu_device *adev);
1377 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1378 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1379 bool amdgpu_acpi_is_power_shift_control_supported(void);
1380 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1381 						u8 perf_req, bool advertise);
1382 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1383 				    u8 dev_state, bool drv_state);
1384 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1385 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1386 
1387 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1388 void amdgpu_acpi_detect(void);
1389 #else
1390 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1391 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1392 static inline void amdgpu_acpi_detect(void) { }
1393 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
1394 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1395 						  u8 dev_state, bool drv_state) { return 0; }
1396 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1397 						 enum amdgpu_ss ss_state) { return 0; }
1398 #endif
1399 
1400 #if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND)
1401 bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev);
1402 bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev);
1403 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1404 #else
1405 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
1406 static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; }
1407 static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; }
1408 #endif
1409 
1410 #if defined(CONFIG_DRM_AMD_DC)
1411 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1412 #else
1413 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1414 #endif
1415 
1416 
1417 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1418 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1419 
1420 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1421 					   pci_channel_state_t state);
1422 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1423 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1424 void amdgpu_pci_resume(struct pci_dev *pdev);
1425 
1426 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1427 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1428 
1429 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1430 
1431 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1432 			       enum amd_clockgating_state state);
1433 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1434 			       enum amd_powergating_state state);
1435 
1436 static inline bool amdgpu_device_has_timeouts_enabled(struct amdgpu_device *adev)
1437 {
1438 	return amdgpu_gpu_recovery != 0 &&
1439 		adev->gfx_timeout != MAX_SCHEDULE_TIMEOUT &&
1440 		adev->compute_timeout != MAX_SCHEDULE_TIMEOUT &&
1441 		adev->sdma_timeout != MAX_SCHEDULE_TIMEOUT &&
1442 		adev->video_timeout != MAX_SCHEDULE_TIMEOUT;
1443 }
1444 
1445 #include "amdgpu_object.h"
1446 
1447 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1448 {
1449        return adev->gmc.tmz_enabled;
1450 }
1451 
1452 int amdgpu_in_reset(struct amdgpu_device *adev);
1453 
1454 #endif
1455