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amdgpu.h revision 1.5
      1 /*	$NetBSD: amdgpu.h,v 1.5 2021/12/18 23:44:58 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2008 Advanced Micro Devices, Inc.
      5  * Copyright 2008 Red Hat Inc.
      6  * Copyright 2009 Jerome Glisse.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the "Software"),
     10  * to deal in the Software without restriction, including without limitation
     11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12  * and/or sell copies of the Software, and to permit persons to whom the
     13  * Software is furnished to do so, subject to the following conditions:
     14  *
     15  * The above copyright notice and this permission notice shall be included in
     16  * all copies or substantial portions of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     21  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  * OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * Authors: Dave Airlie
     27  *          Alex Deucher
     28  *          Jerome Glisse
     29  */
     30 #ifndef __AMDGPU_H__
     31 #define __AMDGPU_H__
     32 
     33 #ifdef _KERNEL_OPT
     34 #include "opt_amdgpu_cik.h"
     35 #endif
     36 
     37 #ifdef AMDGPU_CIK
     38 #define	CONFIG_DRM_AMDGPU_CIK	1
     39 #endif
     40 #include "amdgpu_ctx.h"
     41 
     42 #include <linux/atomic.h>
     43 #include <linux/wait.h>
     44 #include <linux/list.h>
     45 #include <linux/kref.h>
     46 #include <linux/rbtree.h>
     47 #include <linux/hashtable.h>
     48 #include <linux/dma-fence.h>
     49 
     50 #include <drm/ttm/ttm_bo_api.h>
     51 #include <drm/ttm/ttm_bo_driver.h>
     52 #include <drm/ttm/ttm_placement.h>
     53 #include <drm/ttm/ttm_module.h>
     54 #include <drm/ttm/ttm_execbuf_util.h>
     55 
     56 #include <drm/amdgpu_drm.h>
     57 #include <drm/drm_gem.h>
     58 #include <drm/drm_ioctl.h>
     59 #include <drm/gpu_scheduler.h>
     60 
     61 #include <kgd_kfd_interface.h>
     62 #include "dm_pp_interface.h"
     63 #include "kgd_pp_interface.h"
     64 
     65 #include "amd_shared.h"
     66 #include "amdgpu_mode.h"
     67 #include "amdgpu_ih.h"
     68 #include "amdgpu_irq.h"
     69 #include "amdgpu_ucode.h"
     70 #include "amdgpu_ttm.h"
     71 #include "amdgpu_psp.h"
     72 #include "amdgpu_gds.h"
     73 #include "amdgpu_sync.h"
     74 #include "amdgpu_ring.h"
     75 #include "amdgpu_vm.h"
     76 #include "amdgpu_dpm.h"
     77 #include "amdgpu_acp.h"
     78 #include "amdgpu_uvd.h"
     79 #include "amdgpu_vce.h"
     80 #include "amdgpu_vcn.h"
     81 #include "amdgpu_jpeg.h"
     82 #include "amdgpu_mn.h"
     83 #include "amdgpu_gmc.h"
     84 #include "amdgpu_gfx.h"
     85 #include "amdgpu_sdma.h"
     86 #include "amdgpu_nbio.h"
     87 #include "amdgpu_dm.h"
     88 #include "amdgpu_virt.h"
     89 #include "amdgpu_csa.h"
     90 #include "amdgpu_gart.h"
     91 #include "amdgpu_debugfs.h"
     92 #include "amdgpu_job.h"
     93 #include "amdgpu_bo_list.h"
     94 #include "amdgpu_gem.h"
     95 #include "amdgpu_doorbell.h"
     96 #include "amdgpu_amdkfd.h"
     97 #include "amdgpu_smu.h"
     98 #include "amdgpu_discovery.h"
     99 #include "amdgpu_mes.h"
    100 #include "amdgpu_umc.h"
    101 #include "amdgpu_mmhub.h"
    102 #include "amdgpu_df.h"
    103 
    104 #define MAX_GPU_INSTANCE		16
    105 
    106 struct amdgpu_gpu_instance
    107 {
    108 	struct amdgpu_device		*adev;
    109 	int				mgpu_fan_enabled;
    110 };
    111 
    112 struct amdgpu_mgpu_info
    113 {
    114 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
    115 	struct mutex			mutex;
    116 	uint32_t			num_gpu;
    117 	uint32_t			num_dgpu;
    118 	uint32_t			num_apu;
    119 };
    120 
    121 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
    122 
    123 /*
    124  * Modules parameters.
    125  */
    126 extern int amdgpu_modeset;
    127 extern int amdgpu_vram_limit;
    128 extern int amdgpu_vis_vram_limit;
    129 extern int amdgpu_gart_size;
    130 extern int amdgpu_gtt_size;
    131 extern int amdgpu_moverate;
    132 extern int amdgpu_benchmarking;
    133 extern int amdgpu_testing;
    134 extern int amdgpu_audio;
    135 extern int amdgpu_disp_priority;
    136 extern int amdgpu_hw_i2c;
    137 extern int amdgpu_pcie_gen2;
    138 extern int amdgpu_msi;
    139 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
    140 extern int amdgpu_dpm;
    141 extern int amdgpu_fw_load_type;
    142 extern int amdgpu_aspm;
    143 extern int amdgpu_runtime_pm;
    144 extern uint amdgpu_ip_block_mask;
    145 extern int amdgpu_bapm;
    146 extern int amdgpu_deep_color;
    147 extern int amdgpu_vm_size;
    148 extern int amdgpu_vm_block_size;
    149 extern int amdgpu_vm_fragment_size;
    150 extern int amdgpu_vm_fault_stop;
    151 extern int amdgpu_vm_debug;
    152 extern int amdgpu_vm_update_mode;
    153 extern int amdgpu_exp_hw_support;
    154 extern int amdgpu_dc;
    155 extern int amdgpu_sched_jobs;
    156 extern int amdgpu_sched_hw_submission;
    157 extern uint amdgpu_pcie_gen_cap;
    158 extern uint amdgpu_pcie_lane_cap;
    159 extern uint amdgpu_cg_mask;
    160 extern uint amdgpu_pg_mask;
    161 extern uint amdgpu_sdma_phase_quantum;
    162 extern char *amdgpu_disable_cu;
    163 extern char *amdgpu_virtual_display;
    164 extern uint amdgpu_pp_feature_mask;
    165 extern uint amdgpu_force_long_training;
    166 extern int amdgpu_job_hang_limit;
    167 extern int amdgpu_lbpw;
    168 extern int amdgpu_compute_multipipe;
    169 extern int amdgpu_gpu_recovery;
    170 extern int amdgpu_emu_mode;
    171 extern uint amdgpu_smu_memory_pool_size;
    172 extern uint amdgpu_dc_feature_mask;
    173 extern uint amdgpu_dm_abm_level;
    174 extern struct amdgpu_mgpu_info mgpu_info;
    175 extern int amdgpu_ras_enable;
    176 extern uint amdgpu_ras_mask;
    177 extern int amdgpu_async_gfx_ring;
    178 extern int amdgpu_mcbp;
    179 extern int amdgpu_discovery;
    180 extern int amdgpu_mes;
    181 extern int amdgpu_noretry;
    182 extern int amdgpu_force_asic_type;
    183 #ifdef CONFIG_HSA_AMD
    184 extern int sched_policy;
    185 #else
    186 static const int sched_policy = KFD_SCHED_POLICY_HWS;
    187 #endif
    188 
    189 #ifdef CONFIG_DRM_AMDGPU_SI
    190 extern int amdgpu_si_support;
    191 #endif
    192 #ifdef CONFIG_DRM_AMDGPU_CIK
    193 extern int amdgpu_cik_support;
    194 #endif
    195 
    196 #define AMDGPU_VM_MAX_NUM_CTX			4096
    197 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
    198 #define AMDGPU_DEFAULT_GTT_SIZE_MB		3072ULL /* 3GB by default */
    199 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
    200 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
    201 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
    202 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
    203 #define AMDGPU_IB_POOL_SIZE			16
    204 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
    205 #define AMDGPUFB_CONN_LIMIT			4
    206 #define AMDGPU_BIOS_NUM_SCRATCH			16
    207 
    208 /* hard reset data */
    209 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
    210 
    211 /* reset flags */
    212 #define AMDGPU_RESET_GFX			(1 << 0)
    213 #define AMDGPU_RESET_COMPUTE			(1 << 1)
    214 #define AMDGPU_RESET_DMA			(1 << 2)
    215 #define AMDGPU_RESET_CP				(1 << 3)
    216 #define AMDGPU_RESET_GRBM			(1 << 4)
    217 #define AMDGPU_RESET_DMA1			(1 << 5)
    218 #define AMDGPU_RESET_RLC			(1 << 6)
    219 #define AMDGPU_RESET_SEM			(1 << 7)
    220 #define AMDGPU_RESET_IH				(1 << 8)
    221 #define AMDGPU_RESET_VMC			(1 << 9)
    222 #define AMDGPU_RESET_MC				(1 << 10)
    223 #define AMDGPU_RESET_DISPLAY			(1 << 11)
    224 #define AMDGPU_RESET_UVD			(1 << 12)
    225 #define AMDGPU_RESET_VCE			(1 << 13)
    226 #define AMDGPU_RESET_VCE1			(1 << 14)
    227 
    228 /* max cursor sizes (in pixels) */
    229 #define CIK_CURSOR_WIDTH 128
    230 #define CIK_CURSOR_HEIGHT 128
    231 
    232 struct amdgpu_device;
    233 struct amdgpu_ib;
    234 struct amdgpu_cs_parser;
    235 struct amdgpu_job;
    236 struct amdgpu_irq_src;
    237 struct amdgpu_fpriv;
    238 struct amdgpu_bo_va_mapping;
    239 struct amdgpu_atif;
    240 struct kfd_vm_fault_info;
    241 
    242 enum amdgpu_cp_irq {
    243 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
    244 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
    245 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
    246 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
    247 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
    248 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
    249 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
    250 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
    251 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
    252 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
    253 
    254 	AMDGPU_CP_IRQ_LAST
    255 };
    256 
    257 enum amdgpu_thermal_irq {
    258 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
    259 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
    260 
    261 	AMDGPU_THERMAL_IRQ_LAST
    262 };
    263 
    264 enum amdgpu_kiq_irq {
    265 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
    266 	AMDGPU_CP_KIQ_IRQ_LAST
    267 };
    268 
    269 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
    270 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
    271 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
    272 
    273 int amdgpu_device_ip_set_clockgating_state(void *dev,
    274 					   enum amd_ip_block_type block_type,
    275 					   enum amd_clockgating_state state);
    276 int amdgpu_device_ip_set_powergating_state(void *dev,
    277 					   enum amd_ip_block_type block_type,
    278 					   enum amd_powergating_state state);
    279 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
    280 					    u32 *flags);
    281 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
    282 				   enum amd_ip_block_type block_type);
    283 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
    284 			      enum amd_ip_block_type block_type);
    285 
    286 #define AMDGPU_MAX_IP_NUM 16
    287 
    288 struct amdgpu_ip_block_status {
    289 	bool valid;
    290 	bool sw;
    291 	bool hw;
    292 	bool late_initialized;
    293 	bool hang;
    294 };
    295 
    296 struct amdgpu_ip_block_version {
    297 	const enum amd_ip_block_type type;
    298 	const u32 major;
    299 	const u32 minor;
    300 	const u32 rev;
    301 	const struct amd_ip_funcs *funcs;
    302 };
    303 
    304 #define HW_REV(_Major, _Minor, _Rev) \
    305 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
    306 
    307 struct amdgpu_ip_block {
    308 	struct amdgpu_ip_block_status status;
    309 	const struct amdgpu_ip_block_version *version;
    310 };
    311 
    312 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
    313 				       enum amd_ip_block_type type,
    314 				       u32 major, u32 minor);
    315 
    316 struct amdgpu_ip_block *
    317 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
    318 			      enum amd_ip_block_type type);
    319 
    320 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
    321 			       const struct amdgpu_ip_block_version *ip_block_version);
    322 
    323 /*
    324  * BIOS.
    325  */
    326 bool amdgpu_get_bios(struct amdgpu_device *adev);
    327 bool amdgpu_read_bios(struct amdgpu_device *adev);
    328 
    329 /*
    330  * Clocks
    331  */
    332 
    333 #define AMDGPU_MAX_PPLL 3
    334 
    335 struct amdgpu_clock {
    336 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
    337 	struct amdgpu_pll spll;
    338 	struct amdgpu_pll mpll;
    339 	/* 10 Khz units */
    340 	uint32_t default_mclk;
    341 	uint32_t default_sclk;
    342 	uint32_t default_dispclk;
    343 	uint32_t current_dispclk;
    344 	uint32_t dp_extclk;
    345 	uint32_t max_pixel_clock;
    346 };
    347 
    348 /* sub-allocation manager, it has to be protected by another lock.
    349  * By conception this is an helper for other part of the driver
    350  * like the indirect buffer or semaphore, which both have their
    351  * locking.
    352  *
    353  * Principe is simple, we keep a list of sub allocation in offset
    354  * order (first entry has offset == 0, last entry has the highest
    355  * offset).
    356  *
    357  * When allocating new object we first check if there is room at
    358  * the end total_size - (last_object_offset + last_object_size) >=
    359  * alloc_size. If so we allocate new object there.
    360  *
    361  * When there is not enough room at the end, we start waiting for
    362  * each sub object until we reach object_offset+object_size >=
    363  * alloc_size, this object then become the sub object we return.
    364  *
    365  * Alignment can't be bigger than page size.
    366  *
    367  * Hole are not considered for allocation to keep things simple.
    368  * Assumption is that there won't be hole (all object on same
    369  * alignment).
    370  */
    371 
    372 #define AMDGPU_SA_NUM_FENCE_LISTS	32
    373 
    374 struct amdgpu_sa_manager {
    375 #ifdef __NetBSD__
    376 	spinlock_t		wq_lock;
    377 	drm_waitqueue_t		wq;
    378 #else
    379 	wait_queue_head_t	wq;
    380 #endif
    381 	struct amdgpu_bo	*bo;
    382 	struct list_head	*hole;
    383 	struct list_head	flist[AMDGPU_SA_NUM_FENCE_LISTS];
    384 	struct list_head	olist;
    385 	unsigned		size;
    386 	uint64_t		gpu_addr;
    387 	void			*cpu_ptr;
    388 	uint32_t		domain;
    389 	uint32_t		align;
    390 };
    391 
    392 /* sub-allocation buffer */
    393 struct amdgpu_sa_bo {
    394 	struct list_head		olist;
    395 	struct list_head		flist;
    396 	struct amdgpu_sa_manager	*manager;
    397 	unsigned			soffset;
    398 	unsigned			eoffset;
    399 	struct dma_fence	        *fence;
    400 };
    401 
    402 int amdgpu_fence_slab_init(void);
    403 void amdgpu_fence_slab_fini(void);
    404 
    405 /*
    406  * IRQS.
    407  */
    408 
    409 struct amdgpu_flip_work {
    410 	struct delayed_work		flip_work;
    411 	struct work_struct		unpin_work;
    412 	struct amdgpu_device		*adev;
    413 	int				crtc_id;
    414 	u32				target_vblank;
    415 	uint64_t			base;
    416 	struct drm_pending_vblank_event *event;
    417 	struct amdgpu_bo		*old_abo;
    418 	struct dma_fence		*excl;
    419 	unsigned			shared_count;
    420 	struct dma_fence		**shared;
    421 	struct dma_fence_cb		cb;
    422 	bool				async;
    423 };
    424 
    425 
    426 /*
    427  * CP & rings.
    428  */
    429 
    430 struct amdgpu_ib {
    431 	struct amdgpu_sa_bo		*sa_bo;
    432 	uint32_t			length_dw;
    433 	uint64_t			gpu_addr;
    434 	uint32_t			*ptr;
    435 	uint32_t			flags;
    436 };
    437 
    438 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
    439 
    440 /*
    441  * file private structure
    442  */
    443 
    444 struct amdgpu_fpriv {
    445 	struct amdgpu_vm	vm;
    446 	struct amdgpu_bo_va	*prt_va;
    447 	struct amdgpu_bo_va	*csa_va;
    448 	struct mutex		bo_list_lock;
    449 	struct idr		bo_list_handles;
    450 	struct amdgpu_ctx_mgr	ctx_mgr;
    451 };
    452 
    453 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
    454 
    455 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
    456 		  unsigned size, struct amdgpu_ib *ib);
    457 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
    458 		    struct dma_fence *f);
    459 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
    460 		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
    461 		       struct dma_fence **f);
    462 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
    463 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
    464 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
    465 
    466 /*
    467  * CS.
    468  */
    469 struct amdgpu_cs_chunk {
    470 	uint32_t		chunk_id;
    471 	uint32_t		length_dw;
    472 	void			*kdata;
    473 };
    474 
    475 struct amdgpu_cs_post_dep {
    476 	struct drm_syncobj *syncobj;
    477 	struct dma_fence_chain *chain;
    478 	u64 point;
    479 };
    480 
    481 struct amdgpu_cs_parser {
    482 	struct amdgpu_device	*adev;
    483 	struct drm_file		*filp;
    484 	struct amdgpu_ctx	*ctx;
    485 
    486 	/* chunks */
    487 	unsigned		nchunks;
    488 	struct amdgpu_cs_chunk	*chunks;
    489 
    490 	/* scheduler job object */
    491 	struct amdgpu_job	*job;
    492 	struct drm_sched_entity	*entity;
    493 
    494 	/* buffer objects */
    495 	struct ww_acquire_ctx		ticket;
    496 	struct amdgpu_bo_list		*bo_list;
    497 	struct amdgpu_mn		*mn;
    498 	struct amdgpu_bo_list_entry	vm_pd;
    499 	struct list_head		validated;
    500 	struct dma_fence		*fence;
    501 	uint64_t			bytes_moved_threshold;
    502 	uint64_t			bytes_moved_vis_threshold;
    503 	uint64_t			bytes_moved;
    504 	uint64_t			bytes_moved_vis;
    505 
    506 	/* user fence */
    507 	struct amdgpu_bo_list_entry	uf_entry;
    508 
    509 	unsigned			num_post_deps;
    510 	struct amdgpu_cs_post_dep	*post_deps;
    511 };
    512 
    513 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
    514 				      uint32_t ib_idx, int idx)
    515 {
    516 	return p->job->ibs[ib_idx].ptr[idx];
    517 }
    518 
    519 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
    520 				       uint32_t ib_idx, int idx,
    521 				       uint32_t value)
    522 {
    523 	p->job->ibs[ib_idx].ptr[idx] = value;
    524 }
    525 
    526 /*
    527  * Writeback
    528  */
    529 #define AMDGPU_MAX_WB 128	/* Reserve at most 128 WB slots for amdgpu-owned rings. */
    530 
    531 struct amdgpu_wb {
    532 	struct amdgpu_bo	*wb_obj;
    533 	volatile uint32_t	*wb;
    534 	uint64_t		gpu_addr;
    535 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
    536 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, NBBY*sizeof(unsigned long))];
    537 };
    538 
    539 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
    540 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
    541 
    542 /*
    543  * Benchmarking
    544  */
    545 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
    546 
    547 
    548 /*
    549  * Testing
    550  */
    551 void amdgpu_test_moves(struct amdgpu_device *adev);
    552 
    553 /*
    554  * ASIC specific register table accessible by UMD
    555  */
    556 struct amdgpu_allowed_register_entry {
    557 	uint32_t reg_offset;
    558 	bool grbm_indexed;
    559 };
    560 
    561 enum amd_reset_method {
    562 	AMD_RESET_METHOD_LEGACY = 0,
    563 	AMD_RESET_METHOD_MODE0,
    564 	AMD_RESET_METHOD_MODE1,
    565 	AMD_RESET_METHOD_MODE2,
    566 	AMD_RESET_METHOD_BACO
    567 };
    568 
    569 /*
    570  * ASIC specific functions.
    571  */
    572 struct amdgpu_asic_funcs {
    573 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
    574 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
    575 				   u8 *bios, u32 length_bytes);
    576 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
    577 			     u32 sh_num, u32 reg_offset, u32 *value);
    578 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
    579 	int (*reset)(struct amdgpu_device *adev);
    580 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
    581 	/* get the reference clock */
    582 	u32 (*get_xclk)(struct amdgpu_device *adev);
    583 	/* MM block clocks */
    584 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
    585 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
    586 	/* static power management */
    587 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
    588 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
    589 	/* get config memsize register */
    590 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
    591 	/* flush hdp write queue */
    592 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
    593 	/* invalidate hdp read cache */
    594 	void (*invalidate_hdp)(struct amdgpu_device *adev,
    595 			       struct amdgpu_ring *ring);
    596 	/* check if the asic needs a full reset of if soft reset will work */
    597 	bool (*need_full_reset)(struct amdgpu_device *adev);
    598 	/* initialize doorbell layout for specific asic*/
    599 	void (*init_doorbell_index)(struct amdgpu_device *adev);
    600 	/* PCIe bandwidth usage */
    601 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
    602 			       uint64_t *count1);
    603 	/* do we need to reset the asic at init time (e.g., kexec) */
    604 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
    605 	/* PCIe replay counter */
    606 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
    607 	/* device supports BACO */
    608 	bool (*supports_baco)(struct amdgpu_device *adev);
    609 };
    610 
    611 /*
    612  * IOCTL.
    613  */
    614 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
    615 				struct drm_file *filp);
    616 
    617 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
    618 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
    619 				    struct drm_file *filp);
    620 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
    621 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
    622 				struct drm_file *filp);
    623 
    624 /* VRAM scratch page for HDP bug, default vram page */
    625 struct amdgpu_vram_scratch {
    626 	struct amdgpu_bo		*robj;
    627 	volatile uint32_t		*ptr;
    628 	u64				gpu_addr;
    629 };
    630 
    631 /*
    632  * ACPI
    633  */
    634 struct amdgpu_atcs_functions {
    635 	bool get_ext_state;
    636 	bool pcie_perf_req;
    637 	bool pcie_dev_rdy;
    638 	bool pcie_bus_width;
    639 };
    640 
    641 struct amdgpu_atcs {
    642 	struct amdgpu_atcs_functions functions;
    643 };
    644 
    645 /*
    646  * Firmware VRAM reservation
    647  */
    648 struct amdgpu_fw_vram_usage {
    649 	u64 start_offset;
    650 	u64 size;
    651 	struct amdgpu_bo *reserved_bo;
    652 	void *va;
    653 
    654 	/* GDDR6 training support flag.
    655 	*/
    656 	bool mem_train_support;
    657 };
    658 
    659 /*
    660  * CGS
    661  */
    662 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
    663 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
    664 
    665 /*
    666  * Core structure, functions and helpers.
    667  */
    668 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
    669 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
    670 
    671 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
    672 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
    673 
    674 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
    675 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
    676 
    677 struct amdgpu_mmio_remap {
    678 	u32 reg_offset;
    679 	resource_size_t bus_addr;
    680 };
    681 
    682 /* Define the HW IP blocks will be used in driver , add more if necessary */
    683 enum amd_hw_ip_block_type {
    684 	GC_HWIP = 1,
    685 	HDP_HWIP,
    686 	SDMA0_HWIP,
    687 	SDMA1_HWIP,
    688 	SDMA2_HWIP,
    689 	SDMA3_HWIP,
    690 	SDMA4_HWIP,
    691 	SDMA5_HWIP,
    692 	SDMA6_HWIP,
    693 	SDMA7_HWIP,
    694 	MMHUB_HWIP,
    695 	ATHUB_HWIP,
    696 	NBIO_HWIP,
    697 	MP0_HWIP,
    698 	MP1_HWIP,
    699 	UVD_HWIP,
    700 	VCN_HWIP = UVD_HWIP,
    701 	JPEG_HWIP = VCN_HWIP,
    702 	VCE_HWIP,
    703 	DF_HWIP,
    704 	DCE_HWIP,
    705 	OSSSYS_HWIP,
    706 	SMUIO_HWIP,
    707 	PWR_HWIP,
    708 	NBIF_HWIP,
    709 	THM_HWIP,
    710 	CLK_HWIP,
    711 	UMC_HWIP,
    712 	RSMU_HWIP,
    713 	MAX_HWIP
    714 };
    715 
    716 #define HWIP_MAX_INSTANCE	8
    717 
    718 struct amd_powerplay {
    719 	void *pp_handle;
    720 	const struct amd_pm_funcs *pp_funcs;
    721 };
    722 
    723 #define AMDGPU_RESET_MAGIC_NUM 64
    724 #define AMDGPU_MAX_DF_PERFMONS 4
    725 struct amdgpu_device {
    726 	struct device			*dev;
    727 	struct drm_device		*ddev;
    728 	struct pci_dev			*pdev;
    729 
    730 #ifdef CONFIG_DRM_AMD_ACP
    731 	struct amdgpu_acp		acp;
    732 #endif
    733 
    734 	/* ASIC */
    735 	enum amd_asic_type		asic_type;
    736 	uint32_t			family;
    737 	uint32_t			rev_id;
    738 	uint32_t			external_rev_id;
    739 	unsigned long			flags;
    740 	int				usec_timeout;
    741 	const struct amdgpu_asic_funcs	*asic_funcs;
    742 	bool				shutdown;
    743 	bool				need_swiotlb;
    744 	bool				accel_working;
    745 	struct notifier_block		acpi_nb;
    746 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
    747 	struct amdgpu_debugfs		debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
    748 	unsigned			debugfs_count;
    749 #if defined(CONFIG_DEBUG_FS)
    750 	struct dentry                   *debugfs_preempt;
    751 	struct dentry			*debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
    752 #endif
    753 	struct amdgpu_atif		*atif;
    754 	struct amdgpu_atcs		atcs;
    755 	struct mutex			srbm_mutex;
    756 	/* GRBM index mutex. Protects concurrent access to GRBM index */
    757 	struct mutex                    grbm_idx_mutex;
    758 	struct dev_pm_domain		vga_pm_domain;
    759 	bool				have_disp_power_ref;
    760 	bool                            have_atomics_support;
    761 
    762 	/* BIOS */
    763 	bool				is_atom_fw;
    764 	uint8_t				*bios;
    765 	uint32_t			bios_size;
    766 	struct amdgpu_bo		*stolen_vga_memory;
    767 	struct amdgpu_bo		*discovery_memory;
    768 	uint32_t			bios_scratch_reg_offset;
    769 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
    770 
    771 	/* Register/doorbell mmio */
    772 #ifdef __NetBSD__
    773 	bus_space_tag_t			rmmiot;
    774 	bus_space_handle_t		rmmioh;
    775 	bus_addr_t			rmmio_base;
    776 	bus_size_t			rmmio_size;
    777 #else
    778 	resource_size_t			rmmio_base;
    779 	resource_size_t			rmmio_size;
    780 	void __iomem			*rmmio;
    781 #endif
    782 	/* protects concurrent MM_INDEX/DATA based register access */
    783 	spinlock_t mmio_idx_lock;
    784 	struct amdgpu_mmio_remap        rmmio_remap;
    785 	/* protects concurrent SMC based register access */
    786 	spinlock_t smc_idx_lock;
    787 	amdgpu_rreg_t			smc_rreg;
    788 	amdgpu_wreg_t			smc_wreg;
    789 	/* protects concurrent PCIE register access */
    790 	spinlock_t pcie_idx_lock;
    791 	amdgpu_rreg_t			pcie_rreg;
    792 	amdgpu_wreg_t			pcie_wreg;
    793 	amdgpu_rreg_t			pciep_rreg;
    794 	amdgpu_wreg_t			pciep_wreg;
    795 	amdgpu_rreg64_t			pcie_rreg64;
    796 	amdgpu_wreg64_t			pcie_wreg64;
    797 	/* protects concurrent UVD register access */
    798 	spinlock_t uvd_ctx_idx_lock;
    799 	amdgpu_rreg_t			uvd_ctx_rreg;
    800 	amdgpu_wreg_t			uvd_ctx_wreg;
    801 	/* protects concurrent DIDT register access */
    802 	spinlock_t didt_idx_lock;
    803 	amdgpu_rreg_t			didt_rreg;
    804 	amdgpu_wreg_t			didt_wreg;
    805 	/* protects concurrent gc_cac register access */
    806 	spinlock_t gc_cac_idx_lock;
    807 	amdgpu_rreg_t			gc_cac_rreg;
    808 	amdgpu_wreg_t			gc_cac_wreg;
    809 	/* protects concurrent se_cac register access */
    810 	spinlock_t se_cac_idx_lock;
    811 	amdgpu_rreg_t			se_cac_rreg;
    812 	amdgpu_wreg_t			se_cac_wreg;
    813 	/* protects concurrent ENDPOINT (audio) register access */
    814 	spinlock_t audio_endpt_idx_lock;
    815 	amdgpu_block_rreg_t		audio_endpt_rreg;
    816 	amdgpu_block_wreg_t		audio_endpt_wreg;
    817 #ifdef __NetBSD__
    818 	bus_space_tag_t			rio_memt;
    819 	bus_space_handle_t		rio_memh;
    820 	bus_size_t			rio_mem_size;
    821 #else
    822 	void __iomem                    *rio_mem;
    823 	resource_size_t			rio_mem_size;
    824 #endif
    825 	struct amdgpu_doorbell		doorbell;
    826 
    827 	/* clock/pll info */
    828 	struct amdgpu_clock            clock;
    829 
    830 	/* MC */
    831 	struct amdgpu_gmc		gmc;
    832 	struct amdgpu_gart		gart;
    833 #ifdef __NetBSD__
    834 	bus_dma_segment_t		dummy_page_seg;
    835 	bus_dmamap_t			dummy_page_map;
    836 #endif
    837 	dma_addr_t			dummy_page_addr;
    838 	struct amdgpu_vm_manager	vm_manager;
    839 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
    840 	unsigned			num_vmhubs;
    841 
    842 	/* memory management */
    843 	struct amdgpu_mman		mman;
    844 	struct amdgpu_vram_scratch	vram_scratch;
    845 	struct amdgpu_wb		wb;
    846 	atomic64_t			num_bytes_moved;
    847 	atomic64_t			num_evictions;
    848 	atomic64_t			num_vram_cpu_page_faults;
    849 	atomic_t			gpu_reset_counter;
    850 	atomic_t			vram_lost_counter;
    851 
    852 	/* data for buffer migration throttling */
    853 	struct {
    854 		spinlock_t		lock;
    855 		s64			last_update_us;
    856 		s64			accum_us; /* accumulated microseconds */
    857 		s64			accum_us_vis; /* for visible VRAM */
    858 		u32			log2_max_MBps;
    859 	} mm_stats;
    860 
    861 	/* display */
    862 	bool				enable_virtual_display;
    863 	struct amdgpu_mode_info		mode_info;
    864 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
    865 	struct work_struct		hotplug_work;
    866 	struct amdgpu_irq_src		crtc_irq;
    867 	struct amdgpu_irq_src		vupdate_irq;
    868 	struct amdgpu_irq_src		pageflip_irq;
    869 	struct amdgpu_irq_src		hpd_irq;
    870 
    871 	/* rings */
    872 	u64				fence_context;
    873 	unsigned			num_rings;
    874 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
    875 	bool				ib_pool_ready;
    876 	struct amdgpu_sa_manager	ring_tmp_bo;
    877 
    878 	/* interrupts */
    879 	struct amdgpu_irq		irq;
    880 
    881 	/* powerplay */
    882 	struct amd_powerplay		powerplay;
    883 	bool				pp_force_state_enabled;
    884 
    885 	/* smu */
    886 	struct smu_context		smu;
    887 
    888 	/* dpm */
    889 	struct amdgpu_pm		pm;
    890 	u32				cg_flags;
    891 	u32				pg_flags;
    892 
    893 	/* nbio */
    894 	struct amdgpu_nbio		nbio;
    895 
    896 	/* mmhub */
    897 	struct amdgpu_mmhub		mmhub;
    898 
    899 	/* gfx */
    900 	struct amdgpu_gfx		gfx;
    901 
    902 	/* sdma */
    903 	struct amdgpu_sdma		sdma;
    904 
    905 	/* uvd */
    906 	struct amdgpu_uvd		uvd;
    907 
    908 	/* vce */
    909 	struct amdgpu_vce		vce;
    910 
    911 	/* vcn */
    912 	struct amdgpu_vcn		vcn;
    913 
    914 	/* jpeg */
    915 	struct amdgpu_jpeg		jpeg;
    916 
    917 	/* firmwares */
    918 	struct amdgpu_firmware		firmware;
    919 
    920 	/* PSP */
    921 	struct psp_context		psp;
    922 
    923 	/* GDS */
    924 	struct amdgpu_gds		gds;
    925 
    926 	/* KFD */
    927 	struct amdgpu_kfd_dev		kfd;
    928 
    929 	/* UMC */
    930 	struct amdgpu_umc		umc;
    931 
    932 	/* display related functionality */
    933 	struct amdgpu_display_manager dm;
    934 
    935 	/* discovery */
    936 	uint8_t				*discovery;
    937 
    938 	/* mes */
    939 	bool                            enable_mes;
    940 	struct amdgpu_mes               mes;
    941 
    942 	/* df */
    943 	struct amdgpu_df                df;
    944 
    945 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
    946 	int				num_ip_blocks;
    947 	struct mutex	mn_lock;
    948 	DECLARE_HASHTABLE(mn_hash, 7);
    949 
    950 	/* tracking pinned memory */
    951 	atomic64_t vram_pin_size;
    952 	atomic64_t visible_pin_size;
    953 	atomic64_t gart_pin_size;
    954 
    955 	/* soc15 register offset based on ip, instance and  segment */
    956 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
    957 
    958 	/* delayed work_func for deferring clockgating during resume */
    959 	struct delayed_work     delayed_init_work;
    960 
    961 	struct amdgpu_virt	virt;
    962 	/* firmware VRAM reservation */
    963 	struct amdgpu_fw_vram_usage fw_vram_usage;
    964 
    965 	/* link all shadow bo */
    966 	struct list_head                shadow_list;
    967 	struct mutex                    shadow_list_lock;
    968 	/* keep an lru list of rings by HW IP */
    969 	struct list_head		ring_lru_list;
    970 	spinlock_t			ring_lru_list_lock;
    971 
    972 	/* record hw reset is performed */
    973 	bool has_hw_reset;
    974 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
    975 
    976 	/* s3/s4 mask */
    977 	bool                            in_suspend;
    978 
    979 	/* record last mm index being written through WREG32*/
    980 	unsigned long last_mm_index;
    981 	bool                            in_gpu_reset;
    982 	enum pp_mp1_state               mp1_state;
    983 	struct mutex  lock_reset;
    984 	struct amdgpu_doorbell_index doorbell_index;
    985 
    986 	struct mutex			notifier_lock;
    987 
    988 	int asic_reset_res;
    989 	struct work_struct		xgmi_reset_work;
    990 
    991 	long				gfx_timeout;
    992 	long				sdma_timeout;
    993 	long				video_timeout;
    994 	long				compute_timeout;
    995 
    996 	uint64_t			unique_id;
    997 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
    998 
    999 	/* device pstate */
   1000 	int				pstate;
   1001 	/* enable runtime pm on the device */
   1002 	bool                            runpm;
   1003 
   1004 	bool                            pm_sysfs_en;
   1005 	bool                            ucode_sysfs_en;
   1006 };
   1007 
   1008 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
   1009 {
   1010 	return container_of(bdev, struct amdgpu_device, mman.bdev);
   1011 }
   1012 
   1013 int amdgpu_device_init(struct amdgpu_device *adev,
   1014 		       struct drm_device *ddev,
   1015 		       struct pci_dev *pdev,
   1016 		       uint32_t flags);
   1017 void amdgpu_device_fini(struct amdgpu_device *adev);
   1018 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
   1019 
   1020 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
   1021 			       uint32_t *buf, size_t size, bool write);
   1022 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
   1023 			uint32_t acc_flags);
   1024 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
   1025 		    uint32_t acc_flags);
   1026 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
   1027 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
   1028 
   1029 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
   1030 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
   1031 
   1032 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
   1033 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
   1034 
   1035 int emu_soc_asic_init(struct amdgpu_device *adev);
   1036 
   1037 /*
   1038  * Registers read & write functions.
   1039  */
   1040 
   1041 #define AMDGPU_REGS_IDX       (1<<0)
   1042 #define AMDGPU_REGS_NO_KIQ    (1<<1)
   1043 #define AMDGPU_REGS_KIQ       (1<<2)
   1044 
   1045 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
   1046 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
   1047 
   1048 #define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ)
   1049 #define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ)
   1050 
   1051 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
   1052 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
   1053 
   1054 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
   1055 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
   1056 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
   1057 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
   1058 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
   1059 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
   1060 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
   1061 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
   1062 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
   1063 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
   1064 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
   1065 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
   1066 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
   1067 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
   1068 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
   1069 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
   1070 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
   1071 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
   1072 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
   1073 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
   1074 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
   1075 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
   1076 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
   1077 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
   1078 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
   1079 #define WREG32_P(reg, val, mask)				\
   1080 	do {							\
   1081 		uint32_t tmp_ = RREG32(reg);			\
   1082 		tmp_ &= (mask);					\
   1083 		tmp_ |= ((val) & ~(mask));			\
   1084 		WREG32(reg, tmp_);				\
   1085 	} while (0)
   1086 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
   1087 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
   1088 #define WREG32_PLL_P(reg, val, mask)				\
   1089 	do {							\
   1090 		uint32_t tmp_ = RREG32_PLL(reg);		\
   1091 		tmp_ &= (mask);					\
   1092 		tmp_ |= ((val) & ~(mask));			\
   1093 		WREG32_PLL(reg, tmp_);				\
   1094 	} while (0)
   1095 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
   1096 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
   1097 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
   1098 
   1099 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
   1100 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
   1101 
   1102 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
   1103 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
   1104 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
   1105 
   1106 #define REG_GET_FIELD(value, reg, field)				\
   1107 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
   1108 
   1109 #define WREG32_FIELD(reg, field, val)	\
   1110 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
   1111 
   1112 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
   1113 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
   1114 
   1115 /*
   1116  * BIOS helpers.
   1117  */
   1118 #define RBIOS8(i) (adev->bios[i])
   1119 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
   1120 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
   1121 
   1122 /*
   1123  * ASICs macro.
   1124  */
   1125 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
   1126 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
   1127 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
   1128 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
   1129 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
   1130 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
   1131 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
   1132 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
   1133 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
   1134 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
   1135 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
   1136 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
   1137 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
   1138 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
   1139 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
   1140 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
   1141 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
   1142 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
   1143 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
   1144 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
   1145 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
   1146 
   1147 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
   1148 
   1149 /* Common functions */
   1150 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
   1151 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
   1152 			      struct amdgpu_job* job);
   1153 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
   1154 bool amdgpu_device_need_post(struct amdgpu_device *adev);
   1155 
   1156 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
   1157 				  u64 num_vis_bytes);
   1158 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
   1159 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
   1160 					     const u32 *registers,
   1161 					     const u32 array_size);
   1162 int amdgpu_ttm_init(struct amdgpu_device *adev);
   1163 void amdgpu_ttm_fini(struct amdgpu_device *adev);
   1164 
   1165 bool amdgpu_device_supports_boco(struct drm_device *dev);
   1166 bool amdgpu_device_supports_baco(struct drm_device *dev);
   1167 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
   1168 				      struct amdgpu_device *peer_adev);
   1169 int amdgpu_device_baco_enter(struct drm_device *dev);
   1170 int amdgpu_device_baco_exit(struct drm_device *dev);
   1171 
   1172 /* atpx handler */
   1173 #if defined(CONFIG_VGA_SWITCHEROO)
   1174 void amdgpu_register_atpx_handler(void);
   1175 void amdgpu_unregister_atpx_handler(void);
   1176 bool amdgpu_has_atpx_dgpu_power_cntl(void);
   1177 bool amdgpu_is_atpx_hybrid(void);
   1178 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
   1179 bool amdgpu_has_atpx(void);
   1180 #else
   1181 static inline void amdgpu_register_atpx_handler(void) {}
   1182 static inline void amdgpu_unregister_atpx_handler(void) {}
   1183 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
   1184 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
   1185 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
   1186 static inline bool amdgpu_has_atpx(void) { return false; }
   1187 #endif
   1188 
   1189 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
   1190 void *amdgpu_atpx_get_dhandle(void);
   1191 #else
   1192 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
   1193 #endif
   1194 
   1195 /*
   1196  * KMS
   1197  */
   1198 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
   1199 extern const int amdgpu_max_kms_ioctl;
   1200 
   1201 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
   1202 void amdgpu_driver_unload_kms(struct drm_device *dev);
   1203 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
   1204 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
   1205 void amdgpu_driver_postclose_kms(struct drm_device *dev,
   1206 				 struct drm_file *file_priv);
   1207 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
   1208 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
   1209 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
   1210 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
   1211 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
   1212 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
   1213 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
   1214 			     unsigned long arg);
   1215 
   1216 /*
   1217  * functions used by amdgpu_encoder.c
   1218  */
   1219 struct amdgpu_afmt_acr {
   1220 	u32 clock;
   1221 
   1222 	int n_32khz;
   1223 	int cts_32khz;
   1224 
   1225 	int n_44_1khz;
   1226 	int cts_44_1khz;
   1227 
   1228 	int n_48khz;
   1229 	int cts_48khz;
   1230 
   1231 };
   1232 
   1233 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
   1234 
   1235 /* amdgpu_acpi.c */
   1236 #if defined(CONFIG_ACPI)
   1237 int amdgpu_acpi_init(struct amdgpu_device *adev);
   1238 void amdgpu_acpi_fini(struct amdgpu_device *adev);
   1239 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
   1240 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
   1241 						u8 perf_req, bool advertise);
   1242 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
   1243 
   1244 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
   1245 		struct amdgpu_dm_backlight_caps *caps);
   1246 #else
   1247 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
   1248 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
   1249 #endif
   1250 
   1251 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
   1252 			   uint64_t addr, struct amdgpu_bo **bo,
   1253 			   struct amdgpu_bo_va_mapping **mapping);
   1254 
   1255 #if defined(CONFIG_DRM_AMD_DC)
   1256 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
   1257 #else
   1258 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
   1259 #endif
   1260 
   1261 
   1262 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
   1263 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
   1264 
   1265 #include "amdgpu_object.h"
   1266 
   1267 /* used by df_v3_6.c and amdgpu_pmu.c */
   1268 #define AMDGPU_PMU_ATTR(_name, _object)					\
   1269 static ssize_t								\
   1270 _name##_show(struct device *dev,					\
   1271 			       struct device_attribute *attr,		\
   1272 			       char *page)				\
   1273 {									\
   1274 	BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1);			\
   1275 	return sprintf(page, _object "\n");				\
   1276 }									\
   1277 									\
   1278 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
   1279 
   1280 #endif
   1281 
   1282