xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu.h (revision 185c8f33)
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 
54 #include <drm/ttm/ttm_bo.h>
55 #include <drm/ttm/ttm_placement.h>
56 #include <drm/ttm/ttm_execbuf_util.h>
57 
58 #include <drm/amdgpu_drm.h>
59 #include <drm/drm_gem.h>
60 #include <drm/drm_ioctl.h>
61 
62 #include <kgd_kfd_interface.h>
63 #include "dm_pp_interface.h"
64 #include "kgd_pp_interface.h"
65 
66 #include "amd_shared.h"
67 #include "amdgpu_mode.h"
68 #include "amdgpu_ih.h"
69 #include "amdgpu_irq.h"
70 #include "amdgpu_ucode.h"
71 #include "amdgpu_ttm.h"
72 #include "amdgpu_psp.h"
73 #include "amdgpu_gds.h"
74 #include "amdgpu_sync.h"
75 #include "amdgpu_ring.h"
76 #include "amdgpu_vm.h"
77 #include "amdgpu_dpm.h"
78 #include "amdgpu_acp.h"
79 #include "amdgpu_uvd.h"
80 #include "amdgpu_vce.h"
81 #include "amdgpu_vcn.h"
82 #include "amdgpu_jpeg.h"
83 #include "amdgpu_gmc.h"
84 #include "amdgpu_gfx.h"
85 #include "amdgpu_sdma.h"
86 #include "amdgpu_lsdma.h"
87 #include "amdgpu_nbio.h"
88 #include "amdgpu_hdp.h"
89 #include "amdgpu_dm.h"
90 #include "amdgpu_virt.h"
91 #include "amdgpu_csa.h"
92 #include "amdgpu_mes_ctx.h"
93 #include "amdgpu_gart.h"
94 #include "amdgpu_debugfs.h"
95 #include "amdgpu_job.h"
96 #include "amdgpu_bo_list.h"
97 #include "amdgpu_gem.h"
98 #include "amdgpu_doorbell.h"
99 #include "amdgpu_amdkfd.h"
100 #include "amdgpu_discovery.h"
101 #include "amdgpu_mes.h"
102 #include "amdgpu_umc.h"
103 #include "amdgpu_mmhub.h"
104 #include "amdgpu_gfxhub.h"
105 #include "amdgpu_df.h"
106 #include "amdgpu_smuio.h"
107 #include "amdgpu_fdinfo.h"
108 #include "amdgpu_mca.h"
109 #include "amdgpu_ras.h"
110 #include "amdgpu_xcp.h"
111 
112 #define MAX_GPU_INSTANCE		64
113 
114 struct amdgpu_gpu_instance
115 {
116 	struct amdgpu_device		*adev;
117 	int				mgpu_fan_enabled;
118 };
119 
120 struct amdgpu_mgpu_info
121 {
122 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
123 	struct mutex			mutex;
124 	uint32_t			num_gpu;
125 	uint32_t			num_dgpu;
126 	uint32_t			num_apu;
127 
128 	/* delayed reset_func for XGMI configuration if necessary */
129 	struct delayed_work		delayed_reset_work;
130 	bool				pending_reset;
131 };
132 
133 enum amdgpu_ss {
134 	AMDGPU_SS_DRV_LOAD,
135 	AMDGPU_SS_DEV_D0,
136 	AMDGPU_SS_DEV_D3,
137 	AMDGPU_SS_DRV_UNLOAD
138 };
139 
140 struct amdgpu_watchdog_timer
141 {
142 	bool timeout_fatal_disable;
143 	uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
144 };
145 
146 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
147 
148 /*
149  * Modules parameters.
150  */
151 extern int amdgpu_modeset;
152 extern unsigned int amdgpu_vram_limit;
153 extern int amdgpu_vis_vram_limit;
154 extern int amdgpu_gart_size;
155 extern int amdgpu_gtt_size;
156 extern int amdgpu_moverate;
157 extern int amdgpu_audio;
158 extern int amdgpu_disp_priority;
159 extern int amdgpu_hw_i2c;
160 extern int amdgpu_pcie_gen2;
161 extern int amdgpu_msi;
162 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
163 extern int amdgpu_dpm;
164 extern int amdgpu_fw_load_type;
165 extern int amdgpu_aspm;
166 extern int amdgpu_runtime_pm;
167 extern uint amdgpu_ip_block_mask;
168 extern int amdgpu_bapm;
169 extern int amdgpu_deep_color;
170 extern int amdgpu_vm_size;
171 extern int amdgpu_vm_block_size;
172 extern int amdgpu_vm_fragment_size;
173 extern int amdgpu_vm_fault_stop;
174 extern int amdgpu_vm_debug;
175 extern int amdgpu_vm_update_mode;
176 extern int amdgpu_exp_hw_support;
177 extern int amdgpu_dc;
178 extern int amdgpu_sched_jobs;
179 extern int amdgpu_sched_hw_submission;
180 extern uint amdgpu_pcie_gen_cap;
181 extern uint amdgpu_pcie_lane_cap;
182 extern u64 amdgpu_cg_mask;
183 extern uint amdgpu_pg_mask;
184 extern uint amdgpu_sdma_phase_quantum;
185 extern char *amdgpu_disable_cu;
186 extern char *amdgpu_virtual_display;
187 extern uint amdgpu_pp_feature_mask;
188 extern uint amdgpu_force_long_training;
189 extern int amdgpu_lbpw;
190 extern int amdgpu_compute_multipipe;
191 extern int amdgpu_gpu_recovery;
192 extern int amdgpu_emu_mode;
193 extern uint amdgpu_smu_memory_pool_size;
194 extern int amdgpu_smu_pptable_id;
195 extern uint amdgpu_dc_feature_mask;
196 extern uint amdgpu_freesync_vid_mode;
197 extern uint amdgpu_dc_debug_mask;
198 extern uint amdgpu_dc_visual_confirm;
199 extern uint amdgpu_dm_abm_level;
200 extern int amdgpu_backlight;
201 extern struct amdgpu_mgpu_info mgpu_info;
202 extern int amdgpu_ras_enable;
203 extern uint amdgpu_ras_mask;
204 extern int amdgpu_bad_page_threshold;
205 extern bool amdgpu_ignore_bad_page_threshold;
206 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
207 extern int amdgpu_async_gfx_ring;
208 extern int amdgpu_mcbp;
209 extern int amdgpu_discovery;
210 extern int amdgpu_mes;
211 extern int amdgpu_mes_kiq;
212 extern int amdgpu_noretry;
213 extern int amdgpu_force_asic_type;
214 extern int amdgpu_smartshift_bias;
215 extern int amdgpu_use_xgmi_p2p;
216 extern int amdgpu_mtype_local;
217 extern bool enforce_isolation;
218 #ifdef CONFIG_HSA_AMD
219 extern int sched_policy;
220 extern bool debug_evictions;
221 extern bool no_system_mem_limit;
222 extern int halt_if_hws_hang;
223 #else
224 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
225 static const bool __maybe_unused debug_evictions; /* = false */
226 static const bool __maybe_unused no_system_mem_limit;
227 static const int __maybe_unused halt_if_hws_hang;
228 #endif
229 #ifdef CONFIG_HSA_AMD_P2P
230 extern bool pcie_p2p;
231 #endif
232 
233 extern int amdgpu_tmz;
234 extern int amdgpu_reset_method;
235 
236 #ifdef CONFIG_DRM_AMDGPU_SI
237 extern int amdgpu_si_support;
238 #endif
239 #ifdef CONFIG_DRM_AMDGPU_CIK
240 extern int amdgpu_cik_support;
241 #endif
242 extern int amdgpu_num_kcq;
243 
244 #define AMDGPU_VCNFW_LOG_SIZE (32 * 1024)
245 extern int amdgpu_vcnfw_log;
246 extern int amdgpu_sg_display;
247 
248 extern int amdgpu_user_partt_mode;
249 
250 #define AMDGPU_VM_MAX_NUM_CTX			4096
251 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
252 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
253 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
254 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
255 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
256 #define AMDGPUFB_CONN_LIMIT			4
257 #define AMDGPU_BIOS_NUM_SCRATCH			16
258 
259 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
260 
261 /* hard reset data */
262 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
263 
264 /* reset flags */
265 #define AMDGPU_RESET_GFX			(1 << 0)
266 #define AMDGPU_RESET_COMPUTE			(1 << 1)
267 #define AMDGPU_RESET_DMA			(1 << 2)
268 #define AMDGPU_RESET_CP				(1 << 3)
269 #define AMDGPU_RESET_GRBM			(1 << 4)
270 #define AMDGPU_RESET_DMA1			(1 << 5)
271 #define AMDGPU_RESET_RLC			(1 << 6)
272 #define AMDGPU_RESET_SEM			(1 << 7)
273 #define AMDGPU_RESET_IH				(1 << 8)
274 #define AMDGPU_RESET_VMC			(1 << 9)
275 #define AMDGPU_RESET_MC				(1 << 10)
276 #define AMDGPU_RESET_DISPLAY			(1 << 11)
277 #define AMDGPU_RESET_UVD			(1 << 12)
278 #define AMDGPU_RESET_VCE			(1 << 13)
279 #define AMDGPU_RESET_VCE1			(1 << 14)
280 
281 /* max cursor sizes (in pixels) */
282 #define CIK_CURSOR_WIDTH 128
283 #define CIK_CURSOR_HEIGHT 128
284 
285 /* smart shift bias level limits */
286 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
287 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
288 
289 /* Extra time delay(in ms) to eliminate the influence of temperature momentary fluctuation */
290 #define AMDGPU_SWCTF_EXTRA_DELAY		50
291 
292 struct amdgpu_xcp_mgr;
293 struct amdgpu_device;
294 struct amdgpu_irq_src;
295 struct amdgpu_fpriv;
296 struct amdgpu_bo_va_mapping;
297 struct kfd_vm_fault_info;
298 struct amdgpu_hive_info;
299 struct amdgpu_reset_context;
300 struct amdgpu_reset_control;
301 
302 enum amdgpu_cp_irq {
303 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
304 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
305 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
306 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
307 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
308 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
309 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
310 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
311 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
312 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
313 
314 	AMDGPU_CP_IRQ_LAST
315 };
316 
317 enum amdgpu_thermal_irq {
318 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
319 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
320 
321 	AMDGPU_THERMAL_IRQ_LAST
322 };
323 
324 enum amdgpu_kiq_irq {
325 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
326 	AMDGPU_CP_KIQ_IRQ_LAST
327 };
328 #define SRIOV_USEC_TIMEOUT  1200000 /* wait 12 * 100ms for SRIOV */
329 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
330 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
331 #define MAX_KIQ_REG_TRY 1000
332 
333 int amdgpu_device_ip_set_clockgating_state(void *dev,
334 					   enum amd_ip_block_type block_type,
335 					   enum amd_clockgating_state state);
336 int amdgpu_device_ip_set_powergating_state(void *dev,
337 					   enum amd_ip_block_type block_type,
338 					   enum amd_powergating_state state);
339 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
340 					    u64 *flags);
341 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
342 				   enum amd_ip_block_type block_type);
343 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
344 			      enum amd_ip_block_type block_type);
345 
346 #define AMDGPU_MAX_IP_NUM 16
347 
348 struct amdgpu_ip_block_status {
349 	bool valid;
350 	bool sw;
351 	bool hw;
352 	bool late_initialized;
353 	bool hang;
354 };
355 
356 struct amdgpu_ip_block_version {
357 	const enum amd_ip_block_type type;
358 	const u32 major;
359 	const u32 minor;
360 	const u32 rev;
361 	const struct amd_ip_funcs *funcs;
362 };
363 
364 #define HW_REV(_Major, _Minor, _Rev) \
365 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
366 
367 struct amdgpu_ip_block {
368 	struct amdgpu_ip_block_status status;
369 	const struct amdgpu_ip_block_version *version;
370 };
371 
372 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
373 				       enum amd_ip_block_type type,
374 				       u32 major, u32 minor);
375 
376 struct amdgpu_ip_block *
377 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
378 			      enum amd_ip_block_type type);
379 
380 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
381 			       const struct amdgpu_ip_block_version *ip_block_version);
382 
383 /*
384  * BIOS.
385  */
386 bool amdgpu_get_bios(struct amdgpu_device *adev);
387 bool amdgpu_read_bios(struct amdgpu_device *adev);
388 bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev,
389 				     u8 *bios, u32 length_bytes);
390 /*
391  * Clocks
392  */
393 
394 #define AMDGPU_MAX_PPLL 3
395 
396 struct amdgpu_clock {
397 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
398 	struct amdgpu_pll spll;
399 	struct amdgpu_pll mpll;
400 	/* 10 Khz units */
401 	uint32_t default_mclk;
402 	uint32_t default_sclk;
403 	uint32_t default_dispclk;
404 	uint32_t current_dispclk;
405 	uint32_t dp_extclk;
406 	uint32_t max_pixel_clock;
407 };
408 
409 /* sub-allocation manager, it has to be protected by another lock.
410  * By conception this is an helper for other part of the driver
411  * like the indirect buffer or semaphore, which both have their
412  * locking.
413  *
414  * Principe is simple, we keep a list of sub allocation in offset
415  * order (first entry has offset == 0, last entry has the highest
416  * offset).
417  *
418  * When allocating new object we first check if there is room at
419  * the end total_size - (last_object_offset + last_object_size) >=
420  * alloc_size. If so we allocate new object there.
421  *
422  * When there is not enough room at the end, we start waiting for
423  * each sub object until we reach object_offset+object_size >=
424  * alloc_size, this object then become the sub object we return.
425  *
426  * Alignment can't be bigger than page size.
427  *
428  * Hole are not considered for allocation to keep things simple.
429  * Assumption is that there won't be hole (all object on same
430  * alignment).
431  */
432 
433 struct amdgpu_sa_manager {
434 	struct drm_suballoc_manager	base;
435 	struct amdgpu_bo		*bo;
436 	uint64_t			gpu_addr;
437 	void				*cpu_ptr;
438 };
439 
440 int amdgpu_fence_slab_init(void);
441 void amdgpu_fence_slab_fini(void);
442 
443 /*
444  * IRQS.
445  */
446 
447 struct amdgpu_flip_work {
448 	struct delayed_work		flip_work;
449 	struct work_struct		unpin_work;
450 	struct amdgpu_device		*adev;
451 	int				crtc_id;
452 	u32				target_vblank;
453 	uint64_t			base;
454 	struct drm_pending_vblank_event *event;
455 	struct amdgpu_bo		*old_abo;
456 	unsigned			shared_count;
457 	struct dma_fence		**shared;
458 	struct dma_fence_cb		cb;
459 	bool				async;
460 };
461 
462 
463 /*
464  * file private structure
465  */
466 
467 struct amdgpu_fpriv {
468 	struct amdgpu_vm	vm;
469 	struct amdgpu_bo_va	*prt_va;
470 	struct amdgpu_bo_va	*csa_va;
471 	struct mutex		bo_list_lock;
472 	struct idr		bo_list_handles;
473 	struct amdgpu_ctx_mgr	ctx_mgr;
474 	/** GPU partition selection */
475 	uint32_t		xcp_id;
476 };
477 
478 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
479 
480 /*
481  * Writeback
482  */
483 #define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
484 
485 struct amdgpu_wb {
486 	struct amdgpu_bo	*wb_obj;
487 	volatile uint32_t	*wb;
488 	uint64_t		gpu_addr;
489 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
490 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
491 };
492 
493 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
494 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
495 
496 /*
497  * Benchmarking
498  */
499 int amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
500 
501 /*
502  * ASIC specific register table accessible by UMD
503  */
504 struct amdgpu_allowed_register_entry {
505 	uint32_t reg_offset;
506 	bool grbm_indexed;
507 };
508 
509 enum amd_reset_method {
510 	AMD_RESET_METHOD_NONE = -1,
511 	AMD_RESET_METHOD_LEGACY = 0,
512 	AMD_RESET_METHOD_MODE0,
513 	AMD_RESET_METHOD_MODE1,
514 	AMD_RESET_METHOD_MODE2,
515 	AMD_RESET_METHOD_BACO,
516 	AMD_RESET_METHOD_PCI,
517 };
518 
519 struct amdgpu_video_codec_info {
520 	u32 codec_type;
521 	u32 max_width;
522 	u32 max_height;
523 	u32 max_pixels_per_frame;
524 	u32 max_level;
525 };
526 
527 #define codec_info_build(type, width, height, level) \
528 			 .codec_type = type,\
529 			 .max_width = width,\
530 			 .max_height = height,\
531 			 .max_pixels_per_frame = height * width,\
532 			 .max_level = level,
533 
534 struct amdgpu_video_codecs {
535 	const u32 codec_count;
536 	const struct amdgpu_video_codec_info *codec_array;
537 };
538 
539 /*
540  * ASIC specific functions.
541  */
542 struct amdgpu_asic_funcs {
543 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
544 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
545 				   u8 *bios, u32 length_bytes);
546 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
547 			     u32 sh_num, u32 reg_offset, u32 *value);
548 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
549 	int (*reset)(struct amdgpu_device *adev);
550 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
551 	/* get the reference clock */
552 	u32 (*get_xclk)(struct amdgpu_device *adev);
553 	/* MM block clocks */
554 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
555 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
556 	/* static power management */
557 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
558 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
559 	/* get config memsize register */
560 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
561 	/* flush hdp write queue */
562 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
563 	/* invalidate hdp read cache */
564 	void (*invalidate_hdp)(struct amdgpu_device *adev,
565 			       struct amdgpu_ring *ring);
566 	/* check if the asic needs a full reset of if soft reset will work */
567 	bool (*need_full_reset)(struct amdgpu_device *adev);
568 	/* initialize doorbell layout for specific asic*/
569 	void (*init_doorbell_index)(struct amdgpu_device *adev);
570 	/* PCIe bandwidth usage */
571 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
572 			       uint64_t *count1);
573 	/* do we need to reset the asic at init time (e.g., kexec) */
574 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
575 	/* PCIe replay counter */
576 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
577 	/* device supports BACO */
578 	bool (*supports_baco)(struct amdgpu_device *adev);
579 	/* pre asic_init quirks */
580 	void (*pre_asic_init)(struct amdgpu_device *adev);
581 	/* enter/exit umd stable pstate */
582 	int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
583 	/* query video codecs */
584 	int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
585 				  const struct amdgpu_video_codecs **codecs);
586 	/* encode "> 32bits" smn addressing */
587 	u64 (*encode_ext_smn_addressing)(int ext_id);
588 };
589 
590 /*
591  * IOCTL.
592  */
593 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
594 				struct drm_file *filp);
595 
596 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
597 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
598 				    struct drm_file *filp);
599 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
600 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
601 				struct drm_file *filp);
602 
603 /* VRAM scratch page for HDP bug, default vram page */
604 struct amdgpu_mem_scratch {
605 	struct amdgpu_bo		*robj;
606 	volatile uint32_t		*ptr;
607 	u64				gpu_addr;
608 };
609 
610 /*
611  * CGS
612  */
613 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
614 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
615 
616 /*
617  * Core structure, functions and helpers.
618  */
619 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
620 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
621 
622 typedef uint32_t (*amdgpu_rreg_ext_t)(struct amdgpu_device*, uint64_t);
623 typedef void (*amdgpu_wreg_ext_t)(struct amdgpu_device*, uint64_t, uint32_t);
624 
625 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
626 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
627 
628 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
629 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
630 
631 struct amdgpu_mmio_remap {
632 	u32 reg_offset;
633 	resource_size_t bus_addr;
634 };
635 
636 /* Define the HW IP blocks will be used in driver , add more if necessary */
637 enum amd_hw_ip_block_type {
638 	GC_HWIP = 1,
639 	HDP_HWIP,
640 	SDMA0_HWIP,
641 	SDMA1_HWIP,
642 	SDMA2_HWIP,
643 	SDMA3_HWIP,
644 	SDMA4_HWIP,
645 	SDMA5_HWIP,
646 	SDMA6_HWIP,
647 	SDMA7_HWIP,
648 	LSDMA_HWIP,
649 	MMHUB_HWIP,
650 	ATHUB_HWIP,
651 	NBIO_HWIP,
652 	MP0_HWIP,
653 	MP1_HWIP,
654 	UVD_HWIP,
655 	VCN_HWIP = UVD_HWIP,
656 	JPEG_HWIP = VCN_HWIP,
657 	VCN1_HWIP,
658 	VCE_HWIP,
659 	DF_HWIP,
660 	DCE_HWIP,
661 	OSSSYS_HWIP,
662 	SMUIO_HWIP,
663 	PWR_HWIP,
664 	NBIF_HWIP,
665 	THM_HWIP,
666 	CLK_HWIP,
667 	UMC_HWIP,
668 	RSMU_HWIP,
669 	XGMI_HWIP,
670 	DCI_HWIP,
671 	PCIE_HWIP,
672 	MAX_HWIP
673 };
674 
675 #define HWIP_MAX_INSTANCE	44
676 
677 #define HW_ID_MAX		300
678 #define IP_VERSION(mj, mn, rv) (((mj) << 16) | ((mn) << 8) | (rv))
679 #define IP_VERSION_MAJ(ver) ((ver) >> 16)
680 #define IP_VERSION_MIN(ver) (((ver) >> 8) & 0xFF)
681 #define IP_VERSION_REV(ver) ((ver) & 0xFF)
682 
683 struct amdgpu_ip_map_info {
684 	/* Map of logical to actual dev instances/mask */
685 	uint32_t 		dev_inst[MAX_HWIP][HWIP_MAX_INSTANCE];
686 	int8_t (*logical_to_dev_inst)(struct amdgpu_device *adev,
687 				      enum amd_hw_ip_block_type block,
688 				      int8_t inst);
689 	uint32_t (*logical_to_dev_mask)(struct amdgpu_device *adev,
690 					enum amd_hw_ip_block_type block,
691 					uint32_t mask);
692 };
693 
694 struct amd_powerplay {
695 	void *pp_handle;
696 	const struct amd_pm_funcs *pp_funcs;
697 };
698 
699 struct ip_discovery_top;
700 
701 /* polaris10 kickers */
702 #define ASICID_IS_P20(did, rid)		(((did == 0x67DF) && \
703 					 ((rid == 0xE3) || \
704 					  (rid == 0xE4) || \
705 					  (rid == 0xE5) || \
706 					  (rid == 0xE7) || \
707 					  (rid == 0xEF))) || \
708 					 ((did == 0x6FDF) && \
709 					 ((rid == 0xE7) || \
710 					  (rid == 0xEF) || \
711 					  (rid == 0xFF))))
712 
713 #define ASICID_IS_P30(did, rid)		((did == 0x67DF) && \
714 					((rid == 0xE1) || \
715 					 (rid == 0xF7)))
716 
717 /* polaris11 kickers */
718 #define ASICID_IS_P21(did, rid)		(((did == 0x67EF) && \
719 					 ((rid == 0xE0) || \
720 					  (rid == 0xE5))) || \
721 					 ((did == 0x67FF) && \
722 					 ((rid == 0xCF) || \
723 					  (rid == 0xEF) || \
724 					  (rid == 0xFF))))
725 
726 #define ASICID_IS_P31(did, rid)		((did == 0x67EF) && \
727 					((rid == 0xE2)))
728 
729 /* polaris12 kickers */
730 #define ASICID_IS_P23(did, rid)		(((did == 0x6987) && \
731 					 ((rid == 0xC0) || \
732 					  (rid == 0xC1) || \
733 					  (rid == 0xC3) || \
734 					  (rid == 0xC7))) || \
735 					 ((did == 0x6981) && \
736 					 ((rid == 0x00) || \
737 					  (rid == 0x01) || \
738 					  (rid == 0x10))))
739 
740 struct amdgpu_mqd_prop {
741 	uint64_t mqd_gpu_addr;
742 	uint64_t hqd_base_gpu_addr;
743 	uint64_t rptr_gpu_addr;
744 	uint64_t wptr_gpu_addr;
745 	uint32_t queue_size;
746 	bool use_doorbell;
747 	uint32_t doorbell_index;
748 	uint64_t eop_gpu_addr;
749 	uint32_t hqd_pipe_priority;
750 	uint32_t hqd_queue_priority;
751 	bool hqd_active;
752 };
753 
754 struct amdgpu_mqd {
755 	unsigned mqd_size;
756 	int (*init_mqd)(struct amdgpu_device *adev, void *mqd,
757 			struct amdgpu_mqd_prop *p);
758 };
759 
760 #define AMDGPU_RESET_MAGIC_NUM 64
761 #define AMDGPU_MAX_DF_PERFMONS 4
762 #define AMDGPU_PRODUCT_NAME_LEN 64
763 struct amdgpu_reset_domain;
764 
765 /*
766  * Non-zero (true) if the GPU has VRAM. Zero (false) otherwise.
767  */
768 #define AMDGPU_HAS_VRAM(_adev) ((_adev)->gmc.real_vram_size)
769 
770 struct amdgpu_device {
771 	struct device			*dev;
772 	struct pci_dev			*pdev;
773 	struct drm_device		ddev;
774 
775 #ifdef CONFIG_DRM_AMD_ACP
776 	struct amdgpu_acp		acp;
777 #endif
778 	struct amdgpu_hive_info *hive;
779 	struct amdgpu_xcp_mgr *xcp_mgr;
780 	/* ASIC */
781 	enum amd_asic_type		asic_type;
782 	uint32_t			family;
783 	uint32_t			rev_id;
784 	uint32_t			external_rev_id;
785 	unsigned long			flags;
786 	unsigned long			apu_flags;
787 	int				usec_timeout;
788 	const struct amdgpu_asic_funcs	*asic_funcs;
789 	bool				shutdown;
790 	bool				need_swiotlb;
791 	bool				accel_working;
792 	struct notifier_block		acpi_nb;
793 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
794 	struct debugfs_blob_wrapper     debugfs_vbios_blob;
795 	struct debugfs_blob_wrapper     debugfs_discovery_blob;
796 	struct mutex			srbm_mutex;
797 	/* GRBM index mutex. Protects concurrent access to GRBM index */
798 	struct mutex                    grbm_idx_mutex;
799 	struct dev_pm_domain		vga_pm_domain;
800 	bool				have_disp_power_ref;
801 	bool                            have_atomics_support;
802 
803 	/* BIOS */
804 	bool				is_atom_fw;
805 	uint8_t				*bios;
806 	uint32_t			bios_size;
807 	uint32_t			bios_scratch_reg_offset;
808 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
809 
810 	/* Register/doorbell mmio */
811 	resource_size_t			rmmio_base;
812 	resource_size_t			rmmio_size;
813 	void __iomem			*rmmio;
814 	/* protects concurrent MM_INDEX/DATA based register access */
815 	spinlock_t mmio_idx_lock;
816 	struct amdgpu_mmio_remap        rmmio_remap;
817 	/* protects concurrent SMC based register access */
818 	spinlock_t smc_idx_lock;
819 	amdgpu_rreg_t			smc_rreg;
820 	amdgpu_wreg_t			smc_wreg;
821 	/* protects concurrent PCIE register access */
822 	spinlock_t pcie_idx_lock;
823 	amdgpu_rreg_t			pcie_rreg;
824 	amdgpu_wreg_t			pcie_wreg;
825 	amdgpu_rreg_t			pciep_rreg;
826 	amdgpu_wreg_t			pciep_wreg;
827 	amdgpu_rreg_ext_t		pcie_rreg_ext;
828 	amdgpu_wreg_ext_t		pcie_wreg_ext;
829 	amdgpu_rreg64_t			pcie_rreg64;
830 	amdgpu_wreg64_t			pcie_wreg64;
831 	/* protects concurrent UVD register access */
832 	spinlock_t uvd_ctx_idx_lock;
833 	amdgpu_rreg_t			uvd_ctx_rreg;
834 	amdgpu_wreg_t			uvd_ctx_wreg;
835 	/* protects concurrent DIDT register access */
836 	spinlock_t didt_idx_lock;
837 	amdgpu_rreg_t			didt_rreg;
838 	amdgpu_wreg_t			didt_wreg;
839 	/* protects concurrent gc_cac register access */
840 	spinlock_t gc_cac_idx_lock;
841 	amdgpu_rreg_t			gc_cac_rreg;
842 	amdgpu_wreg_t			gc_cac_wreg;
843 	/* protects concurrent se_cac register access */
844 	spinlock_t se_cac_idx_lock;
845 	amdgpu_rreg_t			se_cac_rreg;
846 	amdgpu_wreg_t			se_cac_wreg;
847 	/* protects concurrent ENDPOINT (audio) register access */
848 	spinlock_t audio_endpt_idx_lock;
849 	amdgpu_block_rreg_t		audio_endpt_rreg;
850 	amdgpu_block_wreg_t		audio_endpt_wreg;
851 	struct amdgpu_doorbell		doorbell;
852 
853 	/* clock/pll info */
854 	struct amdgpu_clock            clock;
855 
856 	/* MC */
857 	struct amdgpu_gmc		gmc;
858 	struct amdgpu_gart		gart;
859 	dma_addr_t			dummy_page_addr;
860 	struct amdgpu_vm_manager	vm_manager;
861 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
862 	DECLARE_BITMAP(vmhubs_mask, AMDGPU_MAX_VMHUBS);
863 
864 	/* memory management */
865 	struct amdgpu_mman		mman;
866 	struct amdgpu_mem_scratch	mem_scratch;
867 	struct amdgpu_wb		wb;
868 	atomic64_t			num_bytes_moved;
869 	atomic64_t			num_evictions;
870 	atomic64_t			num_vram_cpu_page_faults;
871 	atomic_t			gpu_reset_counter;
872 	atomic_t			vram_lost_counter;
873 
874 	/* data for buffer migration throttling */
875 	struct {
876 		spinlock_t		lock;
877 		s64			last_update_us;
878 		s64			accum_us; /* accumulated microseconds */
879 		s64			accum_us_vis; /* for visible VRAM */
880 		u32			log2_max_MBps;
881 	} mm_stats;
882 
883 	/* display */
884 	bool				enable_virtual_display;
885 	struct amdgpu_vkms_output       *amdgpu_vkms_output;
886 	struct amdgpu_mode_info		mode_info;
887 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
888 	struct delayed_work         hotplug_work;
889 	struct amdgpu_irq_src		crtc_irq;
890 	struct amdgpu_irq_src		vline0_irq;
891 	struct amdgpu_irq_src		vupdate_irq;
892 	struct amdgpu_irq_src		pageflip_irq;
893 	struct amdgpu_irq_src		hpd_irq;
894 	struct amdgpu_irq_src		dmub_trace_irq;
895 	struct amdgpu_irq_src		dmub_outbox_irq;
896 
897 	/* rings */
898 	u64				fence_context;
899 	unsigned			num_rings;
900 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
901 	struct dma_fence __rcu		*gang_submit;
902 	bool				ib_pool_ready;
903 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
904 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
905 
906 	/* interrupts */
907 	struct amdgpu_irq		irq;
908 
909 	/* powerplay */
910 	struct amd_powerplay		powerplay;
911 	struct amdgpu_pm		pm;
912 	u64				cg_flags;
913 	u32				pg_flags;
914 
915 	/* nbio */
916 	struct amdgpu_nbio		nbio;
917 
918 	/* hdp */
919 	struct amdgpu_hdp		hdp;
920 
921 	/* smuio */
922 	struct amdgpu_smuio		smuio;
923 
924 	/* mmhub */
925 	struct amdgpu_mmhub		mmhub;
926 
927 	/* gfxhub */
928 	struct amdgpu_gfxhub		gfxhub;
929 
930 	/* gfx */
931 	struct amdgpu_gfx		gfx;
932 
933 	/* sdma */
934 	struct amdgpu_sdma		sdma;
935 
936 	/* lsdma */
937 	struct amdgpu_lsdma		lsdma;
938 
939 	/* uvd */
940 	struct amdgpu_uvd		uvd;
941 
942 	/* vce */
943 	struct amdgpu_vce		vce;
944 
945 	/* vcn */
946 	struct amdgpu_vcn		vcn;
947 
948 	/* jpeg */
949 	struct amdgpu_jpeg		jpeg;
950 
951 	/* firmwares */
952 	struct amdgpu_firmware		firmware;
953 
954 	/* PSP */
955 	struct psp_context		psp;
956 
957 	/* GDS */
958 	struct amdgpu_gds		gds;
959 
960 	/* KFD */
961 	struct amdgpu_kfd_dev		kfd;
962 
963 	/* UMC */
964 	struct amdgpu_umc		umc;
965 
966 	/* display related functionality */
967 	struct amdgpu_display_manager dm;
968 
969 	/* mes */
970 	bool                            enable_mes;
971 	bool                            enable_mes_kiq;
972 	struct amdgpu_mes               mes;
973 	struct amdgpu_mqd               mqds[AMDGPU_HW_IP_NUM];
974 
975 	/* df */
976 	struct amdgpu_df                df;
977 
978 	/* MCA */
979 	struct amdgpu_mca               mca;
980 
981 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
982 	uint32_t		        harvest_ip_mask;
983 	int				num_ip_blocks;
984 	struct mutex	mn_lock;
985 	DECLARE_HASHTABLE(mn_hash, 7);
986 
987 	/* tracking pinned memory */
988 	atomic64_t vram_pin_size;
989 	atomic64_t visible_pin_size;
990 	atomic64_t gart_pin_size;
991 
992 	/* soc15 register offset based on ip, instance and  segment */
993 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
994 	struct amdgpu_ip_map_info	ip_map;
995 
996 	/* delayed work_func for deferring clockgating during resume */
997 	struct delayed_work     delayed_init_work;
998 
999 	struct amdgpu_virt	virt;
1000 
1001 	/* link all shadow bo */
1002 	struct list_head                shadow_list;
1003 	struct mutex                    shadow_list_lock;
1004 
1005 	/* record hw reset is performed */
1006 	bool has_hw_reset;
1007 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
1008 
1009 	/* s3/s4 mask */
1010 	bool                            in_suspend;
1011 	bool				in_s3;
1012 	bool				in_s4;
1013 	bool				in_s0ix;
1014 
1015 	enum pp_mp1_state               mp1_state;
1016 	struct amdgpu_doorbell_index doorbell_index;
1017 
1018 	struct mutex			notifier_lock;
1019 
1020 	int asic_reset_res;
1021 	struct work_struct		xgmi_reset_work;
1022 	struct list_head		reset_list;
1023 
1024 	long				gfx_timeout;
1025 	long				sdma_timeout;
1026 	long				video_timeout;
1027 	long				compute_timeout;
1028 
1029 	uint64_t			unique_id;
1030 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1031 
1032 	/* enable runtime pm on the device */
1033 	bool                            in_runpm;
1034 	bool                            has_pr3;
1035 
1036 	bool                            ucode_sysfs_en;
1037 	bool                            psp_sysfs_en;
1038 
1039 	/* Chip product information */
1040 	char				product_number[20];
1041 	char				product_name[AMDGPU_PRODUCT_NAME_LEN];
1042 	char				serial[20];
1043 
1044 	atomic_t			throttling_logging_enabled;
1045 	struct ratelimit_state		throttling_logging_rs;
1046 	uint32_t                        ras_hw_enabled;
1047 	uint32_t                        ras_enabled;
1048 
1049 	bool                            no_hw_access;
1050 	struct pci_saved_state          *pci_state;
1051 	pci_channel_state_t		pci_channel_state;
1052 
1053 	/* Track auto wait count on s_barrier settings */
1054 	bool				barrier_has_auto_waitcnt;
1055 
1056 	struct amdgpu_reset_control     *reset_cntl;
1057 	uint32_t                        ip_versions[MAX_HWIP][HWIP_MAX_INSTANCE];
1058 
1059 	bool				ram_is_direct_mapped;
1060 
1061 	struct list_head                ras_list;
1062 
1063 	struct ip_discovery_top         *ip_top;
1064 
1065 	struct amdgpu_reset_domain	*reset_domain;
1066 
1067 	struct mutex			benchmark_mutex;
1068 
1069 	/* reset dump register */
1070 	uint32_t                        *reset_dump_reg_list;
1071 	uint32_t			*reset_dump_reg_value;
1072 	int                             num_regs;
1073 #ifdef CONFIG_DEV_COREDUMP
1074 	struct amdgpu_task_info         reset_task_info;
1075 	bool                            reset_vram_lost;
1076 	struct timespec64               reset_time;
1077 #endif
1078 
1079 	bool                            scpm_enabled;
1080 	uint32_t                        scpm_status;
1081 
1082 	struct work_struct		reset_work;
1083 
1084 	bool                            job_hang;
1085 	bool                            dc_enabled;
1086 	/* Mask of active clusters */
1087 	uint32_t			aid_mask;
1088 };
1089 
1090 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1091 {
1092 	return container_of(ddev, struct amdgpu_device, ddev);
1093 }
1094 
1095 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1096 {
1097 	return &adev->ddev;
1098 }
1099 
1100 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1101 {
1102 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1103 }
1104 
1105 int amdgpu_device_init(struct amdgpu_device *adev,
1106 		       uint32_t flags);
1107 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1108 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1109 
1110 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1111 
1112 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1113 			     void *buf, size_t size, bool write);
1114 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1115 				 void *buf, size_t size, bool write);
1116 
1117 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1118 			       void *buf, size_t size, bool write);
1119 uint32_t amdgpu_device_wait_on_rreg(struct amdgpu_device *adev,
1120 			    uint32_t inst, uint32_t reg_addr, char reg_name[],
1121 			    uint32_t expected_value, uint32_t mask);
1122 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1123 			    uint32_t reg, uint32_t acc_flags);
1124 u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev,
1125 				    u64 reg_addr);
1126 void amdgpu_device_wreg(struct amdgpu_device *adev,
1127 			uint32_t reg, uint32_t v,
1128 			uint32_t acc_flags);
1129 void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev,
1130 				     u64 reg_addr, u32 reg_data);
1131 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1132 			     uint32_t reg, uint32_t v);
1133 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1134 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1135 
1136 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1137 				u32 reg_addr);
1138 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1139 				  u32 reg_addr);
1140 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1141 				 u32 reg_addr, u32 reg_data);
1142 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1143 				   u32 reg_addr, u64 reg_data);
1144 u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev);
1145 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1146 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1147 
1148 void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev);
1149 
1150 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1151 				 struct amdgpu_reset_context *reset_context);
1152 
1153 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1154 			 struct amdgpu_reset_context *reset_context);
1155 
1156 int emu_soc_asic_init(struct amdgpu_device *adev);
1157 
1158 /*
1159  * Registers read & write functions.
1160  */
1161 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1162 #define AMDGPU_REGS_RLC	(1<<2)
1163 
1164 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1165 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1166 
1167 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1168 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1169 
1170 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1171 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1172 
1173 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1174 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1175 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1176 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1177 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1178 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1179 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1180 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1181 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1182 #define RREG32_PCIE_EXT(reg) adev->pcie_rreg_ext(adev, (reg))
1183 #define WREG32_PCIE_EXT(reg, v) adev->pcie_wreg_ext(adev, (reg), (v))
1184 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1185 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1186 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1187 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1188 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1189 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1190 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1191 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1192 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1193 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1194 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1195 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1196 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1197 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1198 #define WREG32_P(reg, val, mask)				\
1199 	do {							\
1200 		uint32_t tmp_ = RREG32(reg);			\
1201 		tmp_ &= (mask);					\
1202 		tmp_ |= ((val) & ~(mask));			\
1203 		WREG32(reg, tmp_);				\
1204 	} while (0)
1205 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1206 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1207 #define WREG32_PLL_P(reg, val, mask)				\
1208 	do {							\
1209 		uint32_t tmp_ = RREG32_PLL(reg);		\
1210 		tmp_ &= (mask);					\
1211 		tmp_ |= ((val) & ~(mask));			\
1212 		WREG32_PLL(reg, tmp_);				\
1213 	} while (0)
1214 
1215 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1216 	do {                                                    \
1217 		u32 tmp = RREG32_SMC(_Reg);                     \
1218 		tmp &= (_Mask);                                 \
1219 		tmp |= ((_Val) & ~(_Mask));                     \
1220 		WREG32_SMC(_Reg, tmp);                          \
1221 	} while (0)
1222 
1223 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1224 
1225 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1226 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1227 
1228 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1229 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1230 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1231 
1232 #define REG_GET_FIELD(value, reg, field)				\
1233 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1234 
1235 #define WREG32_FIELD(reg, field, val)	\
1236 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1237 
1238 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1239 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1240 
1241 /*
1242  * BIOS helpers.
1243  */
1244 #define RBIOS8(i) (adev->bios[i])
1245 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1246 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1247 
1248 /*
1249  * ASICs macro.
1250  */
1251 #define amdgpu_asic_set_vga_state(adev, state) \
1252     ((adev)->asic_funcs->set_vga_state ? (adev)->asic_funcs->set_vga_state((adev), (state)) : 0)
1253 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1254 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1255 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1256 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1257 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1258 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1259 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1260 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1261 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1262 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1263 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1264 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1265 #define amdgpu_asic_flush_hdp(adev, r) \
1266 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1267 #define amdgpu_asic_invalidate_hdp(adev, r) \
1268 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : \
1269 	 ((adev)->hdp.funcs->invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev), (r)) : (void)0))
1270 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1271 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1272 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1273 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1274 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1275 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1276 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1277 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1278 	((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1279 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1280 
1281 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1282 
1283 #define BIT_MASK_UPPER(i) ((i) >= BITS_PER_LONG ? 0 : ~0UL << (i))
1284 #define for_each_inst(i, inst_mask)        \
1285 	for (i = ffs(inst_mask); i-- != 0; \
1286 	     i = ffs(inst_mask & BIT_MASK_UPPER(i + 1)))
1287 
1288 #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
1289 
1290 /* Common functions */
1291 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1292 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1293 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1294 			      struct amdgpu_job *job,
1295 			      struct amdgpu_reset_context *reset_context);
1296 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1297 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1298 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1299 bool amdgpu_device_pcie_dynamic_switching_supported(void);
1300 bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev);
1301 bool amdgpu_device_aspm_support_quirk(void);
1302 
1303 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1304 				  u64 num_vis_bytes);
1305 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1306 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1307 					     const u32 *registers,
1308 					     const u32 array_size);
1309 
1310 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1311 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1312 bool amdgpu_device_supports_px(struct drm_device *dev);
1313 bool amdgpu_device_supports_boco(struct drm_device *dev);
1314 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1315 bool amdgpu_device_supports_baco(struct drm_device *dev);
1316 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1317 				      struct amdgpu_device *peer_adev);
1318 int amdgpu_device_baco_enter(struct drm_device *dev);
1319 int amdgpu_device_baco_exit(struct drm_device *dev);
1320 
1321 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1322 		struct amdgpu_ring *ring);
1323 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1324 		struct amdgpu_ring *ring);
1325 
1326 void amdgpu_device_halt(struct amdgpu_device *adev);
1327 u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev,
1328 				u32 reg);
1329 void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev,
1330 				u32 reg, u32 v);
1331 struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
1332 					    struct dma_fence *gang);
1333 bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev);
1334 
1335 /* atpx handler */
1336 #if defined(CONFIG_VGA_SWITCHEROO)
1337 void amdgpu_register_atpx_handler(void);
1338 void amdgpu_unregister_atpx_handler(void);
1339 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1340 bool amdgpu_is_atpx_hybrid(void);
1341 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1342 bool amdgpu_has_atpx(void);
1343 #else
1344 static inline void amdgpu_register_atpx_handler(void) {}
1345 static inline void amdgpu_unregister_atpx_handler(void) {}
1346 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1347 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1348 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1349 static inline bool amdgpu_has_atpx(void) { return false; }
1350 #endif
1351 
1352 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1353 void *amdgpu_atpx_get_dhandle(void);
1354 #else
1355 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1356 #endif
1357 
1358 /*
1359  * KMS
1360  */
1361 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1362 extern const int amdgpu_max_kms_ioctl;
1363 
1364 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1365 void amdgpu_driver_unload_kms(struct drm_device *dev);
1366 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1367 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1368 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1369 				 struct drm_file *file_priv);
1370 void amdgpu_driver_release_kms(struct drm_device *dev);
1371 
1372 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1373 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1374 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1375 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1376 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1377 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1378 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1379 		      struct drm_file *filp);
1380 
1381 /*
1382  * functions used by amdgpu_encoder.c
1383  */
1384 struct amdgpu_afmt_acr {
1385 	u32 clock;
1386 
1387 	int n_32khz;
1388 	int cts_32khz;
1389 
1390 	int n_44_1khz;
1391 	int cts_44_1khz;
1392 
1393 	int n_48khz;
1394 	int cts_48khz;
1395 
1396 };
1397 
1398 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1399 
1400 /* amdgpu_acpi.c */
1401 
1402 struct amdgpu_numa_info {
1403 	uint64_t size;
1404 	int pxm;
1405 	int nid;
1406 };
1407 
1408 /* ATCS Device/Driver State */
1409 #define AMDGPU_ATCS_PSC_DEV_STATE_D0		0
1410 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT	3
1411 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR		0
1412 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR	1
1413 
1414 #if defined(CONFIG_ACPI)
1415 int amdgpu_acpi_init(struct amdgpu_device *adev);
1416 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1417 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1418 bool amdgpu_acpi_is_power_shift_control_supported(void);
1419 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1420 						u8 perf_req, bool advertise);
1421 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1422 				    u8 dev_state, bool drv_state);
1423 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1424 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1425 int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset,
1426 			     u64 *tmr_size);
1427 int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id,
1428 			     struct amdgpu_numa_info *numa_info);
1429 
1430 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1431 bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev);
1432 void amdgpu_acpi_detect(void);
1433 void amdgpu_acpi_release(void);
1434 #else
1435 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1436 static inline int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev,
1437 					   u64 *tmr_offset, u64 *tmr_size)
1438 {
1439 	return -EINVAL;
1440 }
1441 static inline int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev,
1442 					   int xcc_id,
1443 					   struct amdgpu_numa_info *numa_info)
1444 {
1445 	return -EINVAL;
1446 }
1447 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1448 static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; }
1449 static inline void amdgpu_acpi_detect(void) { }
1450 static inline void amdgpu_acpi_release(void) { }
1451 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
1452 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1453 						  u8 dev_state, bool drv_state) { return 0; }
1454 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1455 						 enum amdgpu_ss ss_state) { return 0; }
1456 #endif
1457 
1458 #if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND)
1459 bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev);
1460 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1461 #else
1462 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
1463 static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; }
1464 #endif
1465 
1466 #if defined(CONFIG_DRM_AMD_DC)
1467 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1468 #else
1469 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1470 #endif
1471 
1472 
1473 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1474 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1475 
1476 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1477 					   pci_channel_state_t state);
1478 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1479 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1480 void amdgpu_pci_resume(struct pci_dev *pdev);
1481 
1482 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1483 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1484 
1485 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1486 
1487 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1488 			       enum amd_clockgating_state state);
1489 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1490 			       enum amd_powergating_state state);
1491 
1492 static inline bool amdgpu_device_has_timeouts_enabled(struct amdgpu_device *adev)
1493 {
1494 	return amdgpu_gpu_recovery != 0 &&
1495 		adev->gfx_timeout != MAX_SCHEDULE_TIMEOUT &&
1496 		adev->compute_timeout != MAX_SCHEDULE_TIMEOUT &&
1497 		adev->sdma_timeout != MAX_SCHEDULE_TIMEOUT &&
1498 		adev->video_timeout != MAX_SCHEDULE_TIMEOUT;
1499 }
1500 
1501 #include "amdgpu_object.h"
1502 
1503 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1504 {
1505        return adev->gmc.tmz_enabled;
1506 }
1507 
1508 int amdgpu_in_reset(struct amdgpu_device *adev);
1509 
1510 #endif
1511