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