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 __RADEON_H__
29  #define __RADEON_H__
30  
31  /* TODO: Here are things that needs to be done :
32   *	- surface allocator & initializer : (bit like scratch reg) should
33   *	  initialize HDP_ stuff on RS600, R600, R700 hw, well anythings
34   *	  related to surface
35   *	- WB : write back stuff (do it bit like scratch reg things)
36   *	- Vblank : look at Jesse's rework and what we should do
37   *	- r600/r700: gart & cp
38   *	- cs : clean cs ioctl use bitmap & things like that.
39   *	- power management stuff
40   *	- Barrier in gart code
41   *	- Unmappabled vram ?
42   *	- TESTING, TESTING, TESTING
43   */
44  
45  /* Initialization path:
46   *  We expect that acceleration initialization might fail for various
47   *  reasons even thought we work hard to make it works on most
48   *  configurations. In order to still have a working userspace in such
49   *  situation the init path must succeed up to the memory controller
50   *  initialization point. Failure before this point are considered as
51   *  fatal error. Here is the init callchain :
52   *      radeon_device_init  perform common structure, mutex initialization
53   *      asic_init           setup the GPU memory layout and perform all
54   *                          one time initialization (failure in this
55   *                          function are considered fatal)
56   *      asic_startup        setup the GPU acceleration, in order to
57   *                          follow guideline the first thing this
58   *                          function should do is setting the GPU
59   *                          memory controller (only MC setup failure
60   *                          are considered as fatal)
61   */
62  
63  #include <linux/agp_backend.h>
64  #include <linux/atomic.h>
65  #include <linux/wait.h>
66  #include <linux/list.h>
67  #include <linux/kref.h>
68  #include <linux/interval_tree.h>
69  #include <linux/hashtable.h>
70  #include <linux/dma-fence.h>
71  
72  #ifdef CONFIG_MMU_NOTIFIER
73  #include <linux/mmu_notifier.h>
74  #endif
75  
76  #include <drm/ttm/ttm_bo.h>
77  #include <drm/ttm/ttm_placement.h>
78  #include <drm/ttm/ttm_execbuf_util.h>
79  
80  #include <drm/drm_gem.h>
81  #include <drm/drm_audio_component.h>
82  #include <drm/drm_suballoc.h>
83  
84  #include "radeon_family.h"
85  #include "radeon_mode.h"
86  #include "radeon_reg.h"
87  
88  /*
89   * Modules parameters.
90   */
91  extern int radeon_no_wb;
92  extern int radeon_modeset;
93  extern int radeon_dynclks;
94  extern int radeon_r4xx_atom;
95  extern int radeon_agpmode;
96  extern int radeon_vram_limit;
97  extern int radeon_gart_size;
98  extern int radeon_benchmarking;
99  extern int radeon_testing;
100  extern int radeon_connector_table;
101  extern int radeon_tv;
102  extern int radeon_audio;
103  extern int radeon_disp_priority;
104  extern int radeon_hw_i2c;
105  extern int radeon_pcie_gen2;
106  extern int radeon_msi;
107  extern int radeon_lockup_timeout;
108  extern int radeon_fastfb;
109  extern int radeon_dpm;
110  extern int radeon_aspm;
111  extern int radeon_runtime_pm;
112  extern int radeon_hard_reset;
113  extern int radeon_vm_size;
114  extern int radeon_vm_block_size;
115  extern int radeon_deep_color;
116  extern int radeon_use_pflipirq;
117  extern int radeon_bapm;
118  extern int radeon_backlight;
119  extern int radeon_auxch;
120  extern int radeon_uvd;
121  extern int radeon_vce;
122  extern int radeon_si_support;
123  extern int radeon_cik_support;
124  
125  /*
126   * Copy from radeon_drv.h so we don't have to include both and have conflicting
127   * symbol;
128   */
129  #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
130  #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
131  #define RADEON_USEC_IB_TEST_TIMEOUT		1000000 /* 1s */
132  /* RADEON_IB_POOL_SIZE must be a power of 2 */
133  #define RADEON_IB_POOL_SIZE			16
134  #define RADEON_DEBUGFS_MAX_COMPONENTS		32
135  #define RADEON_BIOS_NUM_SCRATCH			8
136  
137  /* internal ring indices */
138  /* r1xx+ has gfx CP ring */
139  #define RADEON_RING_TYPE_GFX_INDEX		0
140  
141  /* cayman has 2 compute CP rings */
142  #define CAYMAN_RING_TYPE_CP1_INDEX		1
143  #define CAYMAN_RING_TYPE_CP2_INDEX		2
144  
145  /* R600+ has an async dma ring */
146  #define R600_RING_TYPE_DMA_INDEX		3
147  /* cayman add a second async dma ring */
148  #define CAYMAN_RING_TYPE_DMA1_INDEX		4
149  
150  /* R600+ */
151  #define R600_RING_TYPE_UVD_INDEX		5
152  
153  /* TN+ */
154  #define TN_RING_TYPE_VCE1_INDEX			6
155  #define TN_RING_TYPE_VCE2_INDEX			7
156  
157  /* max number of rings */
158  #define RADEON_NUM_RINGS			8
159  
160  /* number of hw syncs before falling back on blocking */
161  #define RADEON_NUM_SYNCS			4
162  
163  /* hardcode those limit for now */
164  #define RADEON_VA_IB_OFFSET			(1 << 20)
165  #define RADEON_VA_RESERVED_SIZE			(8 << 20)
166  #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
167  
168  /* hard reset data */
169  #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
170  
171  /* reset flags */
172  #define RADEON_RESET_GFX			(1 << 0)
173  #define RADEON_RESET_COMPUTE			(1 << 1)
174  #define RADEON_RESET_DMA			(1 << 2)
175  #define RADEON_RESET_CP				(1 << 3)
176  #define RADEON_RESET_GRBM			(1 << 4)
177  #define RADEON_RESET_DMA1			(1 << 5)
178  #define RADEON_RESET_RLC			(1 << 6)
179  #define RADEON_RESET_SEM			(1 << 7)
180  #define RADEON_RESET_IH				(1 << 8)
181  #define RADEON_RESET_VMC			(1 << 9)
182  #define RADEON_RESET_MC				(1 << 10)
183  #define RADEON_RESET_DISPLAY			(1 << 11)
184  
185  /* CG block flags */
186  #define RADEON_CG_BLOCK_GFX			(1 << 0)
187  #define RADEON_CG_BLOCK_MC			(1 << 1)
188  #define RADEON_CG_BLOCK_SDMA			(1 << 2)
189  #define RADEON_CG_BLOCK_UVD			(1 << 3)
190  #define RADEON_CG_BLOCK_VCE			(1 << 4)
191  #define RADEON_CG_BLOCK_HDP			(1 << 5)
192  #define RADEON_CG_BLOCK_BIF			(1 << 6)
193  
194  /* CG flags */
195  #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
196  #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
197  #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
198  #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
199  #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
200  #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
201  #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
202  #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
203  #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
204  #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
205  #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
206  #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
207  #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
208  #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
209  #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
210  #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
211  #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
212  
213  /* PG flags */
214  #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
215  #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
216  #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
217  #define RADEON_PG_SUPPORT_UVD			(1 << 3)
218  #define RADEON_PG_SUPPORT_VCE			(1 << 4)
219  #define RADEON_PG_SUPPORT_CP			(1 << 5)
220  #define RADEON_PG_SUPPORT_GDS			(1 << 6)
221  #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
222  #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
223  #define RADEON_PG_SUPPORT_ACP			(1 << 9)
224  #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
225  
226  /* max cursor sizes (in pixels) */
227  #define CURSOR_WIDTH 64
228  #define CURSOR_HEIGHT 64
229  
230  #define CIK_CURSOR_WIDTH 128
231  #define CIK_CURSOR_HEIGHT 128
232  
233  /*
234   * Errata workarounds.
235   */
236  enum radeon_pll_errata {
237  	CHIP_ERRATA_R300_CG             = 0x00000001,
238  	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
239  	CHIP_ERRATA_PLL_DELAY           = 0x00000004
240  };
241  
242  
243  struct radeon_device;
244  
245  
246  /*
247   * BIOS.
248   */
249  bool radeon_get_bios(struct radeon_device *rdev);
250  
251  /*
252   * Dummy page
253   */
254  struct radeon_dummy_page {
255  	uint64_t	entry;
256  	struct page	*page;
257  	dma_addr_t	addr;
258  };
259  int radeon_dummy_page_init(struct radeon_device *rdev);
260  void radeon_dummy_page_fini(struct radeon_device *rdev);
261  
262  
263  /*
264   * Clocks
265   */
266  struct radeon_clock {
267  	struct radeon_pll p1pll;
268  	struct radeon_pll p2pll;
269  	struct radeon_pll dcpll;
270  	struct radeon_pll spll;
271  	struct radeon_pll mpll;
272  	/* 10 Khz units */
273  	uint32_t default_mclk;
274  	uint32_t default_sclk;
275  	uint32_t default_dispclk;
276  	uint32_t current_dispclk;
277  	uint32_t dp_extclk;
278  	uint32_t max_pixel_clock;
279  	uint32_t vco_freq;
280  };
281  
282  /*
283   * Power management
284   */
285  int radeon_pm_init(struct radeon_device *rdev);
286  int radeon_pm_late_init(struct radeon_device *rdev);
287  void radeon_pm_fini(struct radeon_device *rdev);
288  void radeon_pm_compute_clocks(struct radeon_device *rdev);
289  void radeon_pm_suspend(struct radeon_device *rdev);
290  void radeon_pm_resume(struct radeon_device *rdev);
291  void radeon_combios_get_power_modes(struct radeon_device *rdev);
292  void radeon_atombios_get_power_modes(struct radeon_device *rdev);
293  int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
294  				   u8 clock_type,
295  				   u32 clock,
296  				   bool strobe_mode,
297  				   struct atom_clock_dividers *dividers);
298  int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
299  					u32 clock,
300  					bool strobe_mode,
301  					struct atom_mpll_param *mpll_param);
302  void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
303  int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
304  					  u16 voltage_level, u8 voltage_type,
305  					  u32 *gpio_value, u32 *gpio_mask);
306  void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
307  					 u32 eng_clock, u32 mem_clock);
308  int radeon_atom_get_voltage_step(struct radeon_device *rdev,
309  				 u8 voltage_type, u16 *voltage_step);
310  int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
311  			     u16 voltage_id, u16 *voltage);
312  int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
313  						      u16 *voltage,
314  						      u16 leakage_idx);
315  int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
316  					  u16 *leakage_id);
317  int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
318  							 u16 *vddc, u16 *vddci,
319  							 u16 virtual_voltage_id,
320  							 u16 vbios_voltage_id);
321  int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
322  				u16 virtual_voltage_id,
323  				u16 *voltage);
324  int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
325  				      u8 voltage_type,
326  				      u16 nominal_voltage,
327  				      u16 *true_voltage);
328  int radeon_atom_get_min_voltage(struct radeon_device *rdev,
329  				u8 voltage_type, u16 *min_voltage);
330  int radeon_atom_get_max_voltage(struct radeon_device *rdev,
331  				u8 voltage_type, u16 *max_voltage);
332  int radeon_atom_get_voltage_table(struct radeon_device *rdev,
333  				  u8 voltage_type, u8 voltage_mode,
334  				  struct atom_voltage_table *voltage_table);
335  bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
336  				 u8 voltage_type, u8 voltage_mode);
337  int radeon_atom_get_svi2_info(struct radeon_device *rdev,
338  			      u8 voltage_type,
339  			      u8 *svd_gpio_id, u8 *svc_gpio_id);
340  void radeon_atom_update_memory_dll(struct radeon_device *rdev,
341  				   u32 mem_clock);
342  void radeon_atom_set_ac_timing(struct radeon_device *rdev,
343  			       u32 mem_clock);
344  int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
345  				  u8 module_index,
346  				  struct atom_mc_reg_table *reg_table);
347  int radeon_atom_get_memory_info(struct radeon_device *rdev,
348  				u8 module_index, struct atom_memory_info *mem_info);
349  int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
350  				     bool gddr5, u8 module_index,
351  				     struct atom_memory_clock_range_table *mclk_range_table);
352  int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
353  			     u16 voltage_id, u16 *voltage);
354  void rs690_pm_info(struct radeon_device *rdev);
355  extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
356  				    unsigned *bankh, unsigned *mtaspect,
357  				    unsigned *tile_split);
358  
359  /*
360   * Fences.
361   */
362  struct radeon_fence_driver {
363  	struct radeon_device		*rdev;
364  	uint32_t			scratch_reg;
365  	uint64_t			gpu_addr;
366  	volatile uint32_t		*cpu_addr;
367  	/* sync_seq is protected by ring emission lock */
368  	uint64_t			sync_seq[RADEON_NUM_RINGS];
369  	atomic64_t			last_seq;
370  	bool				initialized, delayed_irq;
371  	struct delayed_work		lockup_work;
372  };
373  
374  struct radeon_fence {
375  	struct dma_fence		base;
376  
377  	struct radeon_device	*rdev;
378  	uint64_t		seq;
379  	/* RB, DMA, etc. */
380  	unsigned		ring;
381  	bool			is_vm_update;
382  
383  	wait_queue_entry_t		fence_wake;
384  };
385  
386  int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
387  void radeon_fence_driver_init(struct radeon_device *rdev);
388  void radeon_fence_driver_fini(struct radeon_device *rdev);
389  void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring);
390  int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
391  void radeon_fence_process(struct radeon_device *rdev, int ring);
392  bool radeon_fence_signaled(struct radeon_fence *fence);
393  long radeon_fence_wait_timeout(struct radeon_fence *fence, bool interruptible, long timeout);
394  int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
395  int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
396  int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
397  int radeon_fence_wait_any(struct radeon_device *rdev,
398  			  struct radeon_fence **fences,
399  			  bool intr);
400  struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
401  void radeon_fence_unref(struct radeon_fence **fence);
402  unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
403  bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
404  void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
radeon_fence_later(struct radeon_fence * a,struct radeon_fence * b)405  static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
406  						      struct radeon_fence *b)
407  {
408  	if (!a) {
409  		return b;
410  	}
411  
412  	if (!b) {
413  		return a;
414  	}
415  
416  	BUG_ON(a->ring != b->ring);
417  
418  	if (a->seq > b->seq) {
419  		return a;
420  	} else {
421  		return b;
422  	}
423  }
424  
radeon_fence_is_earlier(struct radeon_fence * a,struct radeon_fence * b)425  static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
426  					   struct radeon_fence *b)
427  {
428  	if (!a) {
429  		return false;
430  	}
431  
432  	if (!b) {
433  		return true;
434  	}
435  
436  	BUG_ON(a->ring != b->ring);
437  
438  	return a->seq < b->seq;
439  }
440  
441  /*
442   * Tiling registers
443   */
444  struct radeon_surface_reg {
445  	struct radeon_bo *bo;
446  };
447  
448  #define RADEON_GEM_MAX_SURFACES 8
449  
450  /*
451   * TTM.
452   */
453  struct radeon_mman {
454  	struct ttm_device		bdev;
455  	bool				initialized;
456  };
457  
458  struct radeon_bo_list {
459  	struct radeon_bo		*robj;
460  	struct ttm_validate_buffer	tv;
461  	uint64_t			gpu_offset;
462  	unsigned			preferred_domains;
463  	unsigned			allowed_domains;
464  	uint32_t			tiling_flags;
465  };
466  
467  /* bo virtual address in a specific vm */
468  struct radeon_bo_va {
469  	/* protected by bo being reserved */
470  	struct list_head		bo_list;
471  	uint32_t			flags;
472  	struct radeon_fence		*last_pt_update;
473  	unsigned			ref_count;
474  
475  	/* protected by vm mutex */
476  	struct interval_tree_node	it;
477  	struct list_head		vm_status;
478  
479  	/* constant after initialization */
480  	struct radeon_vm		*vm;
481  	struct radeon_bo		*bo;
482  };
483  
484  struct radeon_bo {
485  	/* Protected by gem.mutex */
486  	struct list_head		list;
487  	/* Protected by tbo.reserved */
488  	u32				initial_domain;
489  	struct ttm_place		placements[4];
490  	struct ttm_placement		placement;
491  	struct ttm_buffer_object	tbo;
492  	struct ttm_bo_kmap_obj		kmap;
493  	u32				flags;
494  	void				*kptr;
495  	u32				tiling_flags;
496  	u32				pitch;
497  	int				surface_reg;
498  	unsigned			prime_shared_count;
499  	/* list of all virtual address to which this bo
500  	 * is associated to
501  	 */
502  	struct list_head		va;
503  	/* Constant after initialization */
504  	struct radeon_device		*rdev;
505  
506  	pid_t				pid;
507  
508  #ifdef CONFIG_MMU_NOTIFIER
509  	struct mmu_interval_notifier	notifier;
510  #endif
511  };
512  #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, tbo.base)
513  
514  struct radeon_sa_manager {
515  	struct drm_suballoc_manager	base;
516  	struct radeon_bo		*bo;
517  	uint64_t			gpu_addr;
518  	void				*cpu_ptr;
519  	u32 domain;
520  };
521  
522  /*
523   * GEM objects.
524   */
525  struct radeon_gem {
526  	struct mutex		mutex;
527  	struct list_head	objects;
528  };
529  
530  extern const struct drm_gem_object_funcs radeon_gem_object_funcs;
531  
532  int radeon_align_pitch(struct radeon_device *rdev, int width, int cpp, bool tiled);
533  
534  int radeon_gem_init(struct radeon_device *rdev);
535  void radeon_gem_fini(struct radeon_device *rdev);
536  int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
537  				int alignment, int initial_domain,
538  				u32 flags, bool kernel,
539  				struct drm_gem_object **obj);
540  
541  int radeon_mode_dumb_create(struct drm_file *file_priv,
542  			    struct drm_device *dev,
543  			    struct drm_mode_create_dumb *args);
544  int radeon_mode_dumb_mmap(struct drm_file *filp,
545  			  struct drm_device *dev,
546  			  uint32_t handle, uint64_t *offset_p);
547  
548  /*
549   * Semaphores.
550   */
551  struct radeon_semaphore {
552  	struct drm_suballoc	*sa_bo;
553  	signed			waiters;
554  	uint64_t		gpu_addr;
555  };
556  
557  int radeon_semaphore_create(struct radeon_device *rdev,
558  			    struct radeon_semaphore **semaphore);
559  bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
560  				  struct radeon_semaphore *semaphore);
561  bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
562  				struct radeon_semaphore *semaphore);
563  void radeon_semaphore_free(struct radeon_device *rdev,
564  			   struct radeon_semaphore **semaphore,
565  			   struct radeon_fence *fence);
566  
567  /*
568   * Synchronization
569   */
570  struct radeon_sync {
571  	struct radeon_semaphore *semaphores[RADEON_NUM_SYNCS];
572  	struct radeon_fence	*sync_to[RADEON_NUM_RINGS];
573  	struct radeon_fence	*last_vm_update;
574  };
575  
576  void radeon_sync_create(struct radeon_sync *sync);
577  void radeon_sync_fence(struct radeon_sync *sync,
578  		       struct radeon_fence *fence);
579  int radeon_sync_resv(struct radeon_device *rdev,
580  		     struct radeon_sync *sync,
581  		     struct dma_resv *resv,
582  		     bool shared);
583  int radeon_sync_rings(struct radeon_device *rdev,
584  		      struct radeon_sync *sync,
585  		      int waiting_ring);
586  void radeon_sync_free(struct radeon_device *rdev, struct radeon_sync *sync,
587  		      struct radeon_fence *fence);
588  
589  /*
590   * GART structures, functions & helpers
591   */
592  struct radeon_mc;
593  
594  #define RADEON_GPU_PAGE_SIZE 4096
595  #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
596  #define RADEON_GPU_PAGE_SHIFT 12
597  #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
598  
599  #define RADEON_GART_PAGE_DUMMY  0
600  #define RADEON_GART_PAGE_VALID	(1 << 0)
601  #define RADEON_GART_PAGE_READ	(1 << 1)
602  #define RADEON_GART_PAGE_WRITE	(1 << 2)
603  #define RADEON_GART_PAGE_SNOOP	(1 << 3)
604  
605  struct radeon_gart {
606  	dma_addr_t			table_addr;
607  	struct radeon_bo		*robj;
608  	void				*ptr;
609  	unsigned			num_gpu_pages;
610  	unsigned			num_cpu_pages;
611  	unsigned			table_size;
612  	struct page			**pages;
613  	uint64_t			*pages_entry;
614  	bool				ready;
615  };
616  
617  int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
618  void radeon_gart_table_ram_free(struct radeon_device *rdev);
619  int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
620  void radeon_gart_table_vram_free(struct radeon_device *rdev);
621  int radeon_gart_table_vram_pin(struct radeon_device *rdev);
622  void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
623  int radeon_gart_init(struct radeon_device *rdev);
624  void radeon_gart_fini(struct radeon_device *rdev);
625  void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
626  			int pages);
627  int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
628  		     int pages, struct page **pagelist,
629  		     dma_addr_t *dma_addr, uint32_t flags);
630  
631  
632  /*
633   * GPU MC structures, functions & helpers
634   */
635  struct radeon_mc {
636  	resource_size_t		aper_size;
637  	resource_size_t		aper_base;
638  	resource_size_t		agp_base;
639  	/* for some chips with <= 32MB we need to lie
640  	 * about vram size near mc fb location */
641  	u64			mc_vram_size;
642  	u64			visible_vram_size;
643  	u64			gtt_size;
644  	u64			gtt_start;
645  	u64			gtt_end;
646  	u64			vram_start;
647  	u64			vram_end;
648  	unsigned		vram_width;
649  	u64			real_vram_size;
650  	int			vram_mtrr;
651  	bool			vram_is_ddr;
652  	bool			igp_sideport_enabled;
653  	u64                     gtt_base_align;
654  	u64                     mc_mask;
655  };
656  
657  bool radeon_combios_sideport_present(struct radeon_device *rdev);
658  bool radeon_atombios_sideport_present(struct radeon_device *rdev);
659  
660  /*
661   * GPU scratch registers structures, functions & helpers
662   */
663  struct radeon_scratch {
664  	unsigned		num_reg;
665  	uint32_t                reg_base;
666  	bool			free[32];
667  	uint32_t		reg[32];
668  };
669  
670  int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
671  void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
672  
673  /*
674   * GPU doorbell structures, functions & helpers
675   */
676  #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
677  
678  struct radeon_doorbell {
679  	/* doorbell mmio */
680  	resource_size_t		base;
681  	resource_size_t		size;
682  	u32 __iomem		*ptr;
683  	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
684  	DECLARE_BITMAP(used, RADEON_MAX_DOORBELLS);
685  };
686  
687  int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
688  void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
689  
690  /*
691   * IRQS.
692   */
693  
694  struct radeon_flip_work {
695  	struct work_struct		flip_work;
696  	struct work_struct		unpin_work;
697  	struct radeon_device		*rdev;
698  	int				crtc_id;
699  	u32				target_vblank;
700  	uint64_t			base;
701  	struct drm_pending_vblank_event *event;
702  	struct radeon_bo		*old_rbo;
703  	struct dma_fence		*fence;
704  	bool				async;
705  };
706  
707  struct r500_irq_stat_regs {
708  	u32 disp_int;
709  	u32 hdmi0_status;
710  };
711  
712  struct r600_irq_stat_regs {
713  	u32 disp_int;
714  	u32 disp_int_cont;
715  	u32 disp_int_cont2;
716  	u32 d1grph_int;
717  	u32 d2grph_int;
718  	u32 hdmi0_status;
719  	u32 hdmi1_status;
720  };
721  
722  struct evergreen_irq_stat_regs {
723  	u32 disp_int[6];
724  	u32 grph_int[6];
725  	u32 afmt_status[6];
726  };
727  
728  struct cik_irq_stat_regs {
729  	u32 disp_int;
730  	u32 disp_int_cont;
731  	u32 disp_int_cont2;
732  	u32 disp_int_cont3;
733  	u32 disp_int_cont4;
734  	u32 disp_int_cont5;
735  	u32 disp_int_cont6;
736  	u32 d1grph_int;
737  	u32 d2grph_int;
738  	u32 d3grph_int;
739  	u32 d4grph_int;
740  	u32 d5grph_int;
741  	u32 d6grph_int;
742  };
743  
744  union radeon_irq_stat_regs {
745  	struct r500_irq_stat_regs r500;
746  	struct r600_irq_stat_regs r600;
747  	struct evergreen_irq_stat_regs evergreen;
748  	struct cik_irq_stat_regs cik;
749  };
750  
751  struct radeon_irq {
752  	bool				installed;
753  	spinlock_t			lock;
754  	atomic_t			ring_int[RADEON_NUM_RINGS];
755  	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
756  	atomic_t			pflip[RADEON_MAX_CRTCS];
757  	wait_queue_head_t		vblank_queue;
758  	bool				hpd[RADEON_MAX_HPD_PINS];
759  	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
760  	union radeon_irq_stat_regs	stat_regs;
761  	bool				dpm_thermal;
762  };
763  
764  int radeon_irq_kms_init(struct radeon_device *rdev);
765  void radeon_irq_kms_fini(struct radeon_device *rdev);
766  void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
767  bool radeon_irq_kms_sw_irq_get_delayed(struct radeon_device *rdev, int ring);
768  void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
769  void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
770  void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
771  void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
772  void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
773  void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
774  void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
775  
776  /*
777   * CP & rings.
778   */
779  
780  struct radeon_ib {
781  	struct drm_suballoc		*sa_bo;
782  	uint32_t			length_dw;
783  	uint64_t			gpu_addr;
784  	uint32_t			*ptr;
785  	int				ring;
786  	struct radeon_fence		*fence;
787  	struct radeon_vm		*vm;
788  	bool				is_const_ib;
789  	struct radeon_sync		sync;
790  };
791  
792  struct radeon_ring {
793  	struct radeon_device	*rdev;
794  	struct radeon_bo	*ring_obj;
795  	volatile uint32_t	*ring;
796  	unsigned		rptr_offs;
797  	unsigned		rptr_save_reg;
798  	u64			next_rptr_gpu_addr;
799  	volatile u32		*next_rptr_cpu_addr;
800  	unsigned		wptr;
801  	unsigned		wptr_old;
802  	unsigned		ring_size;
803  	unsigned		ring_free_dw;
804  	int			count_dw;
805  	atomic_t		last_rptr;
806  	atomic64_t		last_activity;
807  	uint64_t		gpu_addr;
808  	uint32_t		align_mask;
809  	uint32_t		ptr_mask;
810  	bool			ready;
811  	u32			nop;
812  	u32			idx;
813  	u64			last_semaphore_signal_addr;
814  	u64			last_semaphore_wait_addr;
815  	/* for CIK queues */
816  	u32 me;
817  	u32 pipe;
818  	u32 queue;
819  	struct radeon_bo	*mqd_obj;
820  	u32 doorbell_index;
821  	unsigned		wptr_offs;
822  };
823  
824  struct radeon_mec {
825  	struct radeon_bo	*hpd_eop_obj;
826  	u64			hpd_eop_gpu_addr;
827  	u32 num_pipe;
828  	u32 num_mec;
829  	u32 num_queue;
830  };
831  
832  /*
833   * VM
834   */
835  
836  /* maximum number of VMIDs */
837  #define RADEON_NUM_VM	16
838  
839  /* number of entries in page table */
840  #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
841  
842  /* PTBs (Page Table Blocks) need to be aligned to 32K */
843  #define RADEON_VM_PTB_ALIGN_SIZE   32768
844  #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
845  #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
846  
847  #define R600_PTE_VALID		(1 << 0)
848  #define R600_PTE_SYSTEM		(1 << 1)
849  #define R600_PTE_SNOOPED	(1 << 2)
850  #define R600_PTE_READABLE	(1 << 5)
851  #define R600_PTE_WRITEABLE	(1 << 6)
852  
853  /* PTE (Page Table Entry) fragment field for different page sizes */
854  #define R600_PTE_FRAG_4KB	(0 << 7)
855  #define R600_PTE_FRAG_64KB	(4 << 7)
856  #define R600_PTE_FRAG_256KB	(6 << 7)
857  
858  /* flags needed to be set so we can copy directly from the GART table */
859  #define R600_PTE_GART_MASK	( R600_PTE_READABLE | R600_PTE_WRITEABLE | \
860  				  R600_PTE_SYSTEM | R600_PTE_VALID )
861  
862  struct radeon_vm_pt {
863  	struct radeon_bo		*bo;
864  	uint64_t			addr;
865  };
866  
867  struct radeon_vm_id {
868  	unsigned		id;
869  	uint64_t		pd_gpu_addr;
870  	/* last flushed PD/PT update */
871  	struct radeon_fence	*flushed_updates;
872  	/* last use of vmid */
873  	struct radeon_fence	*last_id_use;
874  };
875  
876  struct radeon_vm {
877  	struct mutex		mutex;
878  
879  	struct rb_root_cached	va;
880  
881  	/* protecting invalidated and freed */
882  	spinlock_t		status_lock;
883  
884  	/* BOs moved, but not yet updated in the PT */
885  	struct list_head	invalidated;
886  
887  	/* BOs freed, but not yet updated in the PT */
888  	struct list_head	freed;
889  
890  	/* BOs cleared in the PT */
891  	struct list_head	cleared;
892  
893  	/* contains the page directory */
894  	struct radeon_bo	*page_directory;
895  	unsigned		max_pde_used;
896  
897  	/* array of page tables, one for each page directory entry */
898  	struct radeon_vm_pt	*page_tables;
899  
900  	struct radeon_bo_va	*ib_bo_va;
901  
902  	/* for id and flush management per ring */
903  	struct radeon_vm_id	ids[RADEON_NUM_RINGS];
904  };
905  
906  struct radeon_vm_manager {
907  	struct radeon_fence		*active[RADEON_NUM_VM];
908  	uint32_t			max_pfn;
909  	/* number of VMIDs */
910  	unsigned			nvm;
911  	/* vram base address for page table entry  */
912  	u64				vram_base_offset;
913  	/* is vm enabled? */
914  	bool				enabled;
915  	/* for hw to save the PD addr on suspend/resume */
916  	uint32_t			saved_table_addr[RADEON_NUM_VM];
917  };
918  
919  /*
920   * file private structure
921   */
922  struct radeon_fpriv {
923  	struct radeon_vm		vm;
924  };
925  
926  /*
927   * R6xx+ IH ring
928   */
929  struct r600_ih {
930  	struct radeon_bo	*ring_obj;
931  	volatile uint32_t	*ring;
932  	unsigned		rptr;
933  	unsigned		ring_size;
934  	uint64_t		gpu_addr;
935  	uint32_t		ptr_mask;
936  	atomic_t		lock;
937  	bool                    enabled;
938  };
939  
940  /*
941   * RLC stuff
942   */
943  #include "clearstate_defs.h"
944  
945  struct radeon_rlc {
946  	/* for power gating */
947  	struct radeon_bo	*save_restore_obj;
948  	uint64_t		save_restore_gpu_addr;
949  	volatile uint32_t	*sr_ptr;
950  	const u32               *reg_list;
951  	u32                     reg_list_size;
952  	/* for clear state */
953  	struct radeon_bo	*clear_state_obj;
954  	uint64_t		clear_state_gpu_addr;
955  	volatile uint32_t	*cs_ptr;
956  	const struct cs_section_def   *cs_data;
957  	u32                     clear_state_size;
958  	/* for cp tables */
959  	struct radeon_bo	*cp_table_obj;
960  	uint64_t		cp_table_gpu_addr;
961  	volatile uint32_t	*cp_table_ptr;
962  	u32                     cp_table_size;
963  };
964  
965  int radeon_ib_get(struct radeon_device *rdev, int ring,
966  		  struct radeon_ib *ib, struct radeon_vm *vm,
967  		  unsigned size);
968  void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
969  int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
970  		       struct radeon_ib *const_ib, bool hdp_flush);
971  int radeon_ib_pool_init(struct radeon_device *rdev);
972  void radeon_ib_pool_fini(struct radeon_device *rdev);
973  int radeon_ib_ring_tests(struct radeon_device *rdev);
974  /* Ring access between begin & end cannot sleep */
975  bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
976  				      struct radeon_ring *ring);
977  void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
978  int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
979  int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
980  void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
981  			bool hdp_flush);
982  void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
983  			       bool hdp_flush);
984  void radeon_ring_undo(struct radeon_ring *ring);
985  void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
986  int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
987  void radeon_ring_lockup_update(struct radeon_device *rdev,
988  			       struct radeon_ring *ring);
989  bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
990  unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
991  			    uint32_t **data);
992  int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
993  			unsigned size, uint32_t *data);
994  int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
995  		     unsigned rptr_offs, u32 nop);
996  void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
997  
998  
999  /* r600 async dma */
1000  void r600_dma_stop(struct radeon_device *rdev);
1001  int r600_dma_resume(struct radeon_device *rdev);
1002  void r600_dma_fini(struct radeon_device *rdev);
1003  
1004  void cayman_dma_stop(struct radeon_device *rdev);
1005  int cayman_dma_resume(struct radeon_device *rdev);
1006  void cayman_dma_fini(struct radeon_device *rdev);
1007  
1008  /*
1009   * CS.
1010   */
1011  struct radeon_cs_chunk {
1012  	uint32_t		length_dw;
1013  	uint32_t		*kdata;
1014  	void __user		*user_ptr;
1015  };
1016  
1017  struct radeon_cs_parser {
1018  	struct device		*dev;
1019  	struct radeon_device	*rdev;
1020  	struct drm_file		*filp;
1021  	/* chunks */
1022  	unsigned		nchunks;
1023  	struct radeon_cs_chunk	*chunks;
1024  	uint64_t		*chunks_array;
1025  	/* IB */
1026  	unsigned		idx;
1027  	/* relocations */
1028  	unsigned		nrelocs;
1029  	struct radeon_bo_list	*relocs;
1030  	struct radeon_bo_list	*vm_bos;
1031  	struct list_head	validated;
1032  	unsigned		dma_reloc_idx;
1033  	/* indices of various chunks */
1034  	struct radeon_cs_chunk  *chunk_ib;
1035  	struct radeon_cs_chunk  *chunk_relocs;
1036  	struct radeon_cs_chunk  *chunk_flags;
1037  	struct radeon_cs_chunk  *chunk_const_ib;
1038  	struct radeon_ib	ib;
1039  	struct radeon_ib	const_ib;
1040  	void			*track;
1041  	unsigned		family;
1042  	int			parser_error;
1043  	u32			cs_flags;
1044  	u32			ring;
1045  	s32			priority;
1046  	struct ww_acquire_ctx	ticket;
1047  };
1048  
radeon_get_ib_value(struct radeon_cs_parser * p,int idx)1049  static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1050  {
1051  	struct radeon_cs_chunk *ibc = p->chunk_ib;
1052  
1053  	if (ibc->kdata)
1054  		return ibc->kdata[idx];
1055  	return p->ib.ptr[idx];
1056  }
1057  
1058  
1059  struct radeon_cs_packet {
1060  	unsigned	idx;
1061  	unsigned	type;
1062  	unsigned	reg;
1063  	unsigned	opcode;
1064  	int		count;
1065  	unsigned	one_reg_wr;
1066  };
1067  
1068  typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1069  				      struct radeon_cs_packet *pkt,
1070  				      unsigned idx, unsigned reg);
1071  
1072  /*
1073   * AGP
1074   */
1075  
1076  struct radeon_agp_mode {
1077  	unsigned long mode;	/**< AGP mode */
1078  };
1079  
1080  struct radeon_agp_info {
1081  	int agp_version_major;
1082  	int agp_version_minor;
1083  	unsigned long mode;
1084  	unsigned long aperture_base;	/* physical address */
1085  	unsigned long aperture_size;	/* bytes */
1086  	unsigned long memory_allowed;	/* bytes */
1087  	unsigned long memory_used;
1088  
1089  	/* PCI information */
1090  	unsigned short id_vendor;
1091  	unsigned short id_device;
1092  };
1093  
1094  struct radeon_agp_head {
1095  	struct agp_kern_info agp_info;
1096  	struct list_head memory;
1097  	unsigned long mode;
1098  	struct agp_bridge_data *bridge;
1099  	int enabled;
1100  	int acquired;
1101  	unsigned long base;
1102  	int agp_mtrr;
1103  	int cant_use_aperture;
1104  	unsigned long page_mask;
1105  };
1106  
1107  #if IS_ENABLED(CONFIG_AGP)
1108  struct radeon_agp_head *radeon_agp_head_init(struct drm_device *dev);
1109  #else
radeon_agp_head_init(struct drm_device * dev)1110  static inline struct radeon_agp_head *radeon_agp_head_init(struct drm_device *dev)
1111  {
1112  	return NULL;
1113  }
1114  #endif
1115  int radeon_agp_init(struct radeon_device *rdev);
1116  void radeon_agp_resume(struct radeon_device *rdev);
1117  void radeon_agp_suspend(struct radeon_device *rdev);
1118  void radeon_agp_fini(struct radeon_device *rdev);
1119  
1120  
1121  /*
1122   * Writeback
1123   */
1124  struct radeon_wb {
1125  	struct radeon_bo	*wb_obj;
1126  	volatile uint32_t	*wb;
1127  	uint64_t		gpu_addr;
1128  	bool                    enabled;
1129  	bool                    use_event;
1130  };
1131  
1132  #define RADEON_WB_SCRATCH_OFFSET 0
1133  #define RADEON_WB_RING0_NEXT_RPTR 256
1134  #define RADEON_WB_CP_RPTR_OFFSET 1024
1135  #define RADEON_WB_CP1_RPTR_OFFSET 1280
1136  #define RADEON_WB_CP2_RPTR_OFFSET 1536
1137  #define R600_WB_DMA_RPTR_OFFSET   1792
1138  #define R600_WB_IH_WPTR_OFFSET   2048
1139  #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1140  #define R600_WB_EVENT_OFFSET     3072
1141  #define CIK_WB_CP1_WPTR_OFFSET     3328
1142  #define CIK_WB_CP2_WPTR_OFFSET     3584
1143  #define R600_WB_DMA_RING_TEST_OFFSET 3588
1144  #define CAYMAN_WB_DMA1_RING_TEST_OFFSET 3592
1145  
1146  /**
1147   * struct radeon_pm - power management datas
1148   * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1149   * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1150   * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1151   * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1152   * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1153   * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1154   * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1155   * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1156   * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1157   * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1158   * @needed_bandwidth:   current bandwidth needs
1159   *
1160   * It keeps track of various data needed to take powermanagement decision.
1161   * Bandwidth need is used to determine minimun clock of the GPU and memory.
1162   * Equation between gpu/memory clock and available bandwidth is hw dependent
1163   * (type of memory, bus size, efficiency, ...)
1164   */
1165  
1166  enum radeon_pm_method {
1167  	PM_METHOD_PROFILE,
1168  	PM_METHOD_DYNPM,
1169  	PM_METHOD_DPM,
1170  };
1171  
1172  enum radeon_dynpm_state {
1173  	DYNPM_STATE_DISABLED,
1174  	DYNPM_STATE_MINIMUM,
1175  	DYNPM_STATE_PAUSED,
1176  	DYNPM_STATE_ACTIVE,
1177  	DYNPM_STATE_SUSPENDED,
1178  };
1179  enum radeon_dynpm_action {
1180  	DYNPM_ACTION_NONE,
1181  	DYNPM_ACTION_MINIMUM,
1182  	DYNPM_ACTION_DOWNCLOCK,
1183  	DYNPM_ACTION_UPCLOCK,
1184  	DYNPM_ACTION_DEFAULT
1185  };
1186  
1187  enum radeon_voltage_type {
1188  	VOLTAGE_NONE = 0,
1189  	VOLTAGE_GPIO,
1190  	VOLTAGE_VDDC,
1191  	VOLTAGE_SW
1192  };
1193  
1194  enum radeon_pm_state_type {
1195  	/* not used for dpm */
1196  	POWER_STATE_TYPE_DEFAULT,
1197  	POWER_STATE_TYPE_POWERSAVE,
1198  	/* user selectable states */
1199  	POWER_STATE_TYPE_BATTERY,
1200  	POWER_STATE_TYPE_BALANCED,
1201  	POWER_STATE_TYPE_PERFORMANCE,
1202  	/* internal states */
1203  	POWER_STATE_TYPE_INTERNAL_UVD,
1204  	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1205  	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1206  	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1207  	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1208  	POWER_STATE_TYPE_INTERNAL_BOOT,
1209  	POWER_STATE_TYPE_INTERNAL_THERMAL,
1210  	POWER_STATE_TYPE_INTERNAL_ACPI,
1211  	POWER_STATE_TYPE_INTERNAL_ULV,
1212  	POWER_STATE_TYPE_INTERNAL_3DPERF,
1213  };
1214  
1215  enum radeon_pm_profile_type {
1216  	PM_PROFILE_DEFAULT,
1217  	PM_PROFILE_AUTO,
1218  	PM_PROFILE_LOW,
1219  	PM_PROFILE_MID,
1220  	PM_PROFILE_HIGH,
1221  };
1222  
1223  #define PM_PROFILE_DEFAULT_IDX 0
1224  #define PM_PROFILE_LOW_SH_IDX  1
1225  #define PM_PROFILE_MID_SH_IDX  2
1226  #define PM_PROFILE_HIGH_SH_IDX 3
1227  #define PM_PROFILE_LOW_MH_IDX  4
1228  #define PM_PROFILE_MID_MH_IDX  5
1229  #define PM_PROFILE_HIGH_MH_IDX 6
1230  #define PM_PROFILE_MAX         7
1231  
1232  struct radeon_pm_profile {
1233  	int dpms_off_ps_idx;
1234  	int dpms_on_ps_idx;
1235  	int dpms_off_cm_idx;
1236  	int dpms_on_cm_idx;
1237  };
1238  
1239  enum radeon_int_thermal_type {
1240  	THERMAL_TYPE_NONE,
1241  	THERMAL_TYPE_EXTERNAL,
1242  	THERMAL_TYPE_EXTERNAL_GPIO,
1243  	THERMAL_TYPE_RV6XX,
1244  	THERMAL_TYPE_RV770,
1245  	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1246  	THERMAL_TYPE_EVERGREEN,
1247  	THERMAL_TYPE_SUMO,
1248  	THERMAL_TYPE_NI,
1249  	THERMAL_TYPE_SI,
1250  	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1251  	THERMAL_TYPE_CI,
1252  	THERMAL_TYPE_KV,
1253  };
1254  
1255  struct radeon_voltage {
1256  	enum radeon_voltage_type type;
1257  	/* gpio voltage */
1258  	struct radeon_gpio_rec gpio;
1259  	u32 delay; /* delay in usec from voltage drop to sclk change */
1260  	bool active_high; /* voltage drop is active when bit is high */
1261  	/* VDDC voltage */
1262  	u8 vddc_id; /* index into vddc voltage table */
1263  	u8 vddci_id; /* index into vddci voltage table */
1264  	bool vddci_enabled;
1265  	/* r6xx+ sw */
1266  	u16 voltage;
1267  	/* evergreen+ vddci */
1268  	u16 vddci;
1269  };
1270  
1271  /* clock mode flags */
1272  #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1273  
1274  struct radeon_pm_clock_info {
1275  	/* memory clock */
1276  	u32 mclk;
1277  	/* engine clock */
1278  	u32 sclk;
1279  	/* voltage info */
1280  	struct radeon_voltage voltage;
1281  	/* standardized clock flags */
1282  	u32 flags;
1283  };
1284  
1285  /* state flags */
1286  #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1287  
1288  struct radeon_power_state {
1289  	enum radeon_pm_state_type type;
1290  	struct radeon_pm_clock_info *clock_info;
1291  	/* number of valid clock modes in this power state */
1292  	int num_clock_modes;
1293  	struct radeon_pm_clock_info *default_clock_mode;
1294  	/* standardized state flags */
1295  	u32 flags;
1296  	u32 misc; /* vbios specific flags */
1297  	u32 misc2; /* vbios specific flags */
1298  	int pcie_lanes; /* pcie lanes */
1299  };
1300  
1301  /*
1302   * Some modes are overclocked by very low value, accept them
1303   */
1304  #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1305  
1306  enum radeon_dpm_auto_throttle_src {
1307  	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1308  	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1309  };
1310  
1311  enum radeon_dpm_event_src {
1312  	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1313  	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1314  	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1315  	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1316  	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1317  };
1318  
1319  #define RADEON_MAX_VCE_LEVELS 6
1320  
1321  enum radeon_vce_level {
1322  	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1323  	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1324  	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1325  	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1326  	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1327  	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1328  };
1329  
1330  struct radeon_ps {
1331  	u32 caps; /* vbios flags */
1332  	u32 class; /* vbios flags */
1333  	u32 class2; /* vbios flags */
1334  	/* UVD clocks */
1335  	u32 vclk;
1336  	u32 dclk;
1337  	/* VCE clocks */
1338  	u32 evclk;
1339  	u32 ecclk;
1340  	bool vce_active;
1341  	enum radeon_vce_level vce_level;
1342  	/* asic priv */
1343  	void *ps_priv;
1344  };
1345  
1346  struct radeon_dpm_thermal {
1347  	/* thermal interrupt work */
1348  	struct work_struct work;
1349  	/* low temperature threshold */
1350  	int                min_temp;
1351  	/* high temperature threshold */
1352  	int                max_temp;
1353  	/* was interrupt low to high or high to low */
1354  	bool               high_to_low;
1355  };
1356  
1357  enum radeon_clk_action {
1358  	RADEON_SCLK_UP = 1,
1359  	RADEON_SCLK_DOWN
1360  };
1361  
1362  struct radeon_blacklist_clocks {
1363  	u32 sclk;
1364  	u32 mclk;
1365  	enum radeon_clk_action action;
1366  };
1367  
1368  struct radeon_clock_and_voltage_limits {
1369  	u32 sclk;
1370  	u32 mclk;
1371  	u16 vddc;
1372  	u16 vddci;
1373  };
1374  
1375  struct radeon_clock_array {
1376  	u32 count;
1377  	u32 *values;
1378  };
1379  
1380  struct radeon_clock_voltage_dependency_entry {
1381  	u32 clk;
1382  	u16 v;
1383  };
1384  
1385  struct radeon_clock_voltage_dependency_table {
1386  	u32 count;
1387  	struct radeon_clock_voltage_dependency_entry *entries;
1388  };
1389  
1390  union radeon_cac_leakage_entry {
1391  	struct {
1392  		u16 vddc;
1393  		u32 leakage;
1394  	};
1395  	struct {
1396  		u16 vddc1;
1397  		u16 vddc2;
1398  		u16 vddc3;
1399  	};
1400  };
1401  
1402  struct radeon_cac_leakage_table {
1403  	u32 count;
1404  	union radeon_cac_leakage_entry *entries;
1405  };
1406  
1407  struct radeon_phase_shedding_limits_entry {
1408  	u16 voltage;
1409  	u32 sclk;
1410  	u32 mclk;
1411  };
1412  
1413  struct radeon_phase_shedding_limits_table {
1414  	u32 count;
1415  	struct radeon_phase_shedding_limits_entry *entries;
1416  };
1417  
1418  struct radeon_uvd_clock_voltage_dependency_entry {
1419  	u32 vclk;
1420  	u32 dclk;
1421  	u16 v;
1422  };
1423  
1424  struct radeon_uvd_clock_voltage_dependency_table {
1425  	u8 count;
1426  	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1427  };
1428  
1429  struct radeon_vce_clock_voltage_dependency_entry {
1430  	u32 ecclk;
1431  	u32 evclk;
1432  	u16 v;
1433  };
1434  
1435  struct radeon_vce_clock_voltage_dependency_table {
1436  	u8 count;
1437  	struct radeon_vce_clock_voltage_dependency_entry *entries;
1438  };
1439  
1440  struct radeon_ppm_table {
1441  	u8 ppm_design;
1442  	u16 cpu_core_number;
1443  	u32 platform_tdp;
1444  	u32 small_ac_platform_tdp;
1445  	u32 platform_tdc;
1446  	u32 small_ac_platform_tdc;
1447  	u32 apu_tdp;
1448  	u32 dgpu_tdp;
1449  	u32 dgpu_ulv_power;
1450  	u32 tj_max;
1451  };
1452  
1453  struct radeon_cac_tdp_table {
1454  	u16 tdp;
1455  	u16 configurable_tdp;
1456  	u16 tdc;
1457  	u16 battery_power_limit;
1458  	u16 small_power_limit;
1459  	u16 low_cac_leakage;
1460  	u16 high_cac_leakage;
1461  	u16 maximum_power_delivery_limit;
1462  };
1463  
1464  struct radeon_dpm_dynamic_state {
1465  	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1466  	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1467  	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1468  	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1469  	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1470  	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1471  	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1472  	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1473  	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1474  	struct radeon_clock_array valid_sclk_values;
1475  	struct radeon_clock_array valid_mclk_values;
1476  	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1477  	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1478  	u32 mclk_sclk_ratio;
1479  	u32 sclk_mclk_delta;
1480  	u16 vddc_vddci_delta;
1481  	u16 min_vddc_for_pcie_gen2;
1482  	struct radeon_cac_leakage_table cac_leakage_table;
1483  	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1484  	struct radeon_ppm_table *ppm_table;
1485  	struct radeon_cac_tdp_table *cac_tdp_table;
1486  };
1487  
1488  struct radeon_dpm_fan {
1489  	u16 t_min;
1490  	u16 t_med;
1491  	u16 t_high;
1492  	u16 pwm_min;
1493  	u16 pwm_med;
1494  	u16 pwm_high;
1495  	u8 t_hyst;
1496  	u32 cycle_delay;
1497  	u16 t_max;
1498  	u8 control_mode;
1499  	u16 default_max_fan_pwm;
1500  	u16 default_fan_output_sensitivity;
1501  	u16 fan_output_sensitivity;
1502  	bool ucode_fan_control;
1503  };
1504  
1505  enum radeon_pcie_gen {
1506  	RADEON_PCIE_GEN1 = 0,
1507  	RADEON_PCIE_GEN2 = 1,
1508  	RADEON_PCIE_GEN3 = 2,
1509  	RADEON_PCIE_GEN_INVALID = 0xffff
1510  };
1511  
1512  enum radeon_dpm_forced_level {
1513  	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1514  	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1515  	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1516  };
1517  
1518  struct radeon_vce_state {
1519  	/* vce clocks */
1520  	u32 evclk;
1521  	u32 ecclk;
1522  	/* gpu clocks */
1523  	u32 sclk;
1524  	u32 mclk;
1525  	u8 clk_idx;
1526  	u8 pstate;
1527  };
1528  
1529  struct radeon_dpm {
1530  	struct radeon_ps        *ps;
1531  	/* number of valid power states */
1532  	int                     num_ps;
1533  	/* current power state that is active */
1534  	struct radeon_ps        *current_ps;
1535  	/* requested power state */
1536  	struct radeon_ps        *requested_ps;
1537  	/* boot up power state */
1538  	struct radeon_ps        *boot_ps;
1539  	/* default uvd power state */
1540  	struct radeon_ps        *uvd_ps;
1541  	/* vce requirements */
1542  	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1543  	enum radeon_vce_level vce_level;
1544  	enum radeon_pm_state_type state;
1545  	enum radeon_pm_state_type user_state;
1546  	u32                     platform_caps;
1547  	u32                     voltage_response_time;
1548  	u32                     backbias_response_time;
1549  	void                    *priv;
1550  	u32			new_active_crtcs;
1551  	int			new_active_crtc_count;
1552  	int			high_pixelclock_count;
1553  	u32			current_active_crtcs;
1554  	int			current_active_crtc_count;
1555  	bool single_display;
1556  	struct radeon_dpm_dynamic_state dyn_state;
1557  	struct radeon_dpm_fan fan;
1558  	u32 tdp_limit;
1559  	u32 near_tdp_limit;
1560  	u32 near_tdp_limit_adjusted;
1561  	u32 sq_ramping_threshold;
1562  	u32 cac_leakage;
1563  	u16 tdp_od_limit;
1564  	u32 tdp_adjustment;
1565  	u16 load_line_slope;
1566  	bool power_control;
1567  	bool ac_power;
1568  	/* special states active */
1569  	bool                    thermal_active;
1570  	bool                    uvd_active;
1571  	bool                    vce_active;
1572  	/* thermal handling */
1573  	struct radeon_dpm_thermal thermal;
1574  	/* forced levels */
1575  	enum radeon_dpm_forced_level forced_level;
1576  	/* track UVD streams */
1577  	unsigned sd;
1578  	unsigned hd;
1579  };
1580  
1581  void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1582  void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1583  
1584  struct radeon_pm {
1585  	struct mutex		mutex;
1586  	/* write locked while reprogramming mclk */
1587  	struct rw_semaphore	mclk_lock;
1588  	u32			active_crtcs;
1589  	int			active_crtc_count;
1590  	int			req_vblank;
1591  	bool			vblank_sync;
1592  	fixed20_12		max_bandwidth;
1593  	fixed20_12		igp_sideport_mclk;
1594  	fixed20_12		igp_system_mclk;
1595  	fixed20_12		igp_ht_link_clk;
1596  	fixed20_12		igp_ht_link_width;
1597  	fixed20_12		k8_bandwidth;
1598  	fixed20_12		sideport_bandwidth;
1599  	fixed20_12		ht_bandwidth;
1600  	fixed20_12		core_bandwidth;
1601  	fixed20_12		sclk;
1602  	fixed20_12		mclk;
1603  	fixed20_12		needed_bandwidth;
1604  	struct radeon_power_state *power_state;
1605  	/* number of valid power states */
1606  	int                     num_power_states;
1607  	int                     current_power_state_index;
1608  	int                     current_clock_mode_index;
1609  	int                     requested_power_state_index;
1610  	int                     requested_clock_mode_index;
1611  	int                     default_power_state_index;
1612  	u32                     current_sclk;
1613  	u32                     current_mclk;
1614  	u16                     current_vddc;
1615  	u16                     current_vddci;
1616  	u32                     default_sclk;
1617  	u32                     default_mclk;
1618  	u16                     default_vddc;
1619  	u16                     default_vddci;
1620  	struct radeon_i2c_chan *i2c_bus;
1621  	/* selected pm method */
1622  	enum radeon_pm_method     pm_method;
1623  	/* dynpm power management */
1624  	struct delayed_work	dynpm_idle_work;
1625  	enum radeon_dynpm_state	dynpm_state;
1626  	enum radeon_dynpm_action	dynpm_planned_action;
1627  	unsigned long		dynpm_action_timeout;
1628  	bool                    dynpm_can_upclock;
1629  	bool                    dynpm_can_downclock;
1630  	/* profile-based power management */
1631  	enum radeon_pm_profile_type profile;
1632  	int                     profile_index;
1633  	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1634  	/* internal thermal controller on rv6xx+ */
1635  	enum radeon_int_thermal_type int_thermal_type;
1636  	struct device	        *int_hwmon_dev;
1637  	/* fan control parameters */
1638  	bool                    no_fan;
1639  	u8                      fan_pulses_per_revolution;
1640  	u8                      fan_min_rpm;
1641  	u8                      fan_max_rpm;
1642  	/* dpm */
1643  	bool                    dpm_enabled;
1644  	bool                    sysfs_initialized;
1645  	struct radeon_dpm       dpm;
1646  };
1647  
1648  #define RADEON_PCIE_SPEED_25 1
1649  #define RADEON_PCIE_SPEED_50 2
1650  #define RADEON_PCIE_SPEED_80 4
1651  
1652  int radeon_pm_get_type_index(struct radeon_device *rdev,
1653  			     enum radeon_pm_state_type ps_type,
1654  			     int instance);
1655  /*
1656   * UVD
1657   */
1658  #define RADEON_DEFAULT_UVD_HANDLES	10
1659  #define RADEON_MAX_UVD_HANDLES		30
1660  #define RADEON_UVD_STACK_SIZE		(200*1024)
1661  #define RADEON_UVD_HEAP_SIZE		(256*1024)
1662  #define RADEON_UVD_SESSION_SIZE		(50*1024)
1663  
1664  struct radeon_uvd {
1665  	bool			fw_header_present;
1666  	struct radeon_bo	*vcpu_bo;
1667  	void			*cpu_addr;
1668  	uint64_t		gpu_addr;
1669  	unsigned		max_handles;
1670  	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1671  	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1672  	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1673  	struct delayed_work	idle_work;
1674  };
1675  
1676  int radeon_uvd_init(struct radeon_device *rdev);
1677  void radeon_uvd_fini(struct radeon_device *rdev);
1678  int radeon_uvd_suspend(struct radeon_device *rdev);
1679  int radeon_uvd_resume(struct radeon_device *rdev);
1680  int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1681  			      uint32_t handle, struct radeon_fence **fence);
1682  int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1683  			       uint32_t handle, struct radeon_fence **fence);
1684  void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
1685  				       uint32_t allowed_domains);
1686  void radeon_uvd_free_handles(struct radeon_device *rdev,
1687  			     struct drm_file *filp);
1688  int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1689  void radeon_uvd_note_usage(struct radeon_device *rdev);
1690  int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1691  				  unsigned vclk, unsigned dclk,
1692  				  unsigned vco_min, unsigned vco_max,
1693  				  unsigned fb_factor, unsigned fb_mask,
1694  				  unsigned pd_min, unsigned pd_max,
1695  				  unsigned pd_even,
1696  				  unsigned *optimal_fb_div,
1697  				  unsigned *optimal_vclk_div,
1698  				  unsigned *optimal_dclk_div);
1699  int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1700                                  unsigned cg_upll_func_cntl);
1701  
1702  /*
1703   * VCE
1704   */
1705  #define RADEON_MAX_VCE_HANDLES	16
1706  
1707  struct radeon_vce {
1708  	struct radeon_bo	*vcpu_bo;
1709  	uint64_t		gpu_addr;
1710  	unsigned		fw_version;
1711  	unsigned		fb_version;
1712  	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1713  	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1714  	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
1715  	struct delayed_work	idle_work;
1716  	uint32_t		keyselect;
1717  };
1718  
1719  int radeon_vce_init(struct radeon_device *rdev);
1720  void radeon_vce_fini(struct radeon_device *rdev);
1721  int radeon_vce_suspend(struct radeon_device *rdev);
1722  int radeon_vce_resume(struct radeon_device *rdev);
1723  int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1724  			      uint32_t handle, struct radeon_fence **fence);
1725  int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1726  			       uint32_t handle, struct radeon_fence **fence);
1727  void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1728  void radeon_vce_note_usage(struct radeon_device *rdev);
1729  int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
1730  int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1731  bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1732  			       struct radeon_ring *ring,
1733  			       struct radeon_semaphore *semaphore,
1734  			       bool emit_wait);
1735  void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1736  void radeon_vce_fence_emit(struct radeon_device *rdev,
1737  			   struct radeon_fence *fence);
1738  int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1739  int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1740  
1741  struct r600_audio_pin {
1742  	int			channels;
1743  	int			rate;
1744  	int			bits_per_sample;
1745  	u8			status_bits;
1746  	u8			category_code;
1747  	u32			offset;
1748  	bool			connected;
1749  	u32			id;
1750  };
1751  
1752  struct r600_audio {
1753  	bool enabled;
1754  	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1755  	int num_pins;
1756  	struct radeon_audio_funcs *hdmi_funcs;
1757  	struct radeon_audio_funcs *dp_funcs;
1758  	struct radeon_audio_basic_funcs *funcs;
1759  	struct drm_audio_component *component;
1760  	bool component_registered;
1761  	struct mutex component_mutex;
1762  };
1763  
1764  /*
1765   * Benchmarking
1766   */
1767  void radeon_benchmark(struct radeon_device *rdev, int test_number);
1768  
1769  
1770  /*
1771   * Testing
1772   */
1773  void radeon_test_moves(struct radeon_device *rdev);
1774  void radeon_test_ring_sync(struct radeon_device *rdev,
1775  			   struct radeon_ring *cpA,
1776  			   struct radeon_ring *cpB);
1777  void radeon_test_syncing(struct radeon_device *rdev);
1778  
1779  /*
1780   * MMU Notifier
1781   */
1782  #if defined(CONFIG_MMU_NOTIFIER)
1783  int radeon_mn_register(struct radeon_bo *bo, unsigned long addr);
1784  void radeon_mn_unregister(struct radeon_bo *bo);
1785  #else
radeon_mn_register(struct radeon_bo * bo,unsigned long addr)1786  static inline int radeon_mn_register(struct radeon_bo *bo, unsigned long addr)
1787  {
1788  	return -ENODEV;
1789  }
radeon_mn_unregister(struct radeon_bo * bo)1790  static inline void radeon_mn_unregister(struct radeon_bo *bo) {}
1791  #endif
1792  
1793  /*
1794   * Debugfs
1795   */
1796  void radeon_debugfs_fence_init(struct radeon_device *rdev);
1797  void radeon_gem_debugfs_init(struct radeon_device *rdev);
1798  
1799  /*
1800   * ASIC ring specific functions.
1801   */
1802  struct radeon_asic_ring {
1803  	/* ring read/write ptr handling */
1804  	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1805  	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1806  	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1807  
1808  	/* validating and patching of IBs */
1809  	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1810  	int (*cs_parse)(struct radeon_cs_parser *p);
1811  
1812  	/* command emmit functions */
1813  	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1814  	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1815  	void (*hdp_flush)(struct radeon_device *rdev, struct radeon_ring *ring);
1816  	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1817  			       struct radeon_semaphore *semaphore, bool emit_wait);
1818  	void (*vm_flush)(struct radeon_device *rdev, struct radeon_ring *ring,
1819  			 unsigned vm_id, uint64_t pd_addr);
1820  
1821  	/* testing functions */
1822  	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1823  	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1824  	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1825  
1826  	/* deprecated */
1827  	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1828  };
1829  
1830  /*
1831   * ASIC specific functions.
1832   */
1833  struct radeon_asic {
1834  	int (*init)(struct radeon_device *rdev);
1835  	void (*fini)(struct radeon_device *rdev);
1836  	int (*resume)(struct radeon_device *rdev);
1837  	int (*suspend)(struct radeon_device *rdev);
1838  	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1839  	int (*asic_reset)(struct radeon_device *rdev, bool hard);
1840  	/* Flush the HDP cache via MMIO */
1841  	void (*mmio_hdp_flush)(struct radeon_device *rdev);
1842  	/* check if 3D engine is idle */
1843  	bool (*gui_idle)(struct radeon_device *rdev);
1844  	/* wait for mc_idle */
1845  	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1846  	/* get the reference clock */
1847  	u32 (*get_xclk)(struct radeon_device *rdev);
1848  	/* get the gpu clock counter */
1849  	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1850  	/* get register for info ioctl */
1851  	int (*get_allowed_info_register)(struct radeon_device *rdev, u32 reg, u32 *val);
1852  	/* gart */
1853  	struct {
1854  		void (*tlb_flush)(struct radeon_device *rdev);
1855  		uint64_t (*get_page_entry)(uint64_t addr, uint32_t flags);
1856  		void (*set_page)(struct radeon_device *rdev, unsigned i,
1857  				 uint64_t entry);
1858  	} gart;
1859  	struct {
1860  		int (*init)(struct radeon_device *rdev);
1861  		void (*fini)(struct radeon_device *rdev);
1862  		void (*copy_pages)(struct radeon_device *rdev,
1863  				   struct radeon_ib *ib,
1864  				   uint64_t pe, uint64_t src,
1865  				   unsigned count);
1866  		void (*write_pages)(struct radeon_device *rdev,
1867  				    struct radeon_ib *ib,
1868  				    uint64_t pe,
1869  				    uint64_t addr, unsigned count,
1870  				    uint32_t incr, uint32_t flags);
1871  		void (*set_pages)(struct radeon_device *rdev,
1872  				  struct radeon_ib *ib,
1873  				  uint64_t pe,
1874  				  uint64_t addr, unsigned count,
1875  				  uint32_t incr, uint32_t flags);
1876  		void (*pad_ib)(struct radeon_ib *ib);
1877  	} vm;
1878  	/* ring specific callbacks */
1879  	const struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1880  	/* irqs */
1881  	struct {
1882  		int (*set)(struct radeon_device *rdev);
1883  		int (*process)(struct radeon_device *rdev);
1884  	} irq;
1885  	/* displays */
1886  	struct {
1887  		/* display watermarks */
1888  		void (*bandwidth_update)(struct radeon_device *rdev);
1889  		/* get frame count */
1890  		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1891  		/* wait for vblank */
1892  		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1893  		/* set backlight level */
1894  		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1895  		/* get backlight level */
1896  		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1897  		/* audio callbacks */
1898  		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1899  		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1900  	} display;
1901  	/* copy functions for bo handling */
1902  	struct {
1903  		struct radeon_fence *(*blit)(struct radeon_device *rdev,
1904  					     uint64_t src_offset,
1905  					     uint64_t dst_offset,
1906  					     unsigned num_gpu_pages,
1907  					     struct dma_resv *resv);
1908  		u32 blit_ring_index;
1909  		struct radeon_fence *(*dma)(struct radeon_device *rdev,
1910  					    uint64_t src_offset,
1911  					    uint64_t dst_offset,
1912  					    unsigned num_gpu_pages,
1913  					    struct dma_resv *resv);
1914  		u32 dma_ring_index;
1915  		/* method used for bo copy */
1916  		struct radeon_fence *(*copy)(struct radeon_device *rdev,
1917  					     uint64_t src_offset,
1918  					     uint64_t dst_offset,
1919  					     unsigned num_gpu_pages,
1920  					     struct dma_resv *resv);
1921  		/* ring used for bo copies */
1922  		u32 copy_ring_index;
1923  	} copy;
1924  	/* surfaces */
1925  	struct {
1926  		int (*set_reg)(struct radeon_device *rdev, int reg,
1927  				       uint32_t tiling_flags, uint32_t pitch,
1928  				       uint32_t offset, uint32_t obj_size);
1929  		void (*clear_reg)(struct radeon_device *rdev, int reg);
1930  	} surface;
1931  	/* hotplug detect */
1932  	struct {
1933  		void (*init)(struct radeon_device *rdev);
1934  		void (*fini)(struct radeon_device *rdev);
1935  		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1936  		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1937  	} hpd;
1938  	/* static power management */
1939  	struct {
1940  		void (*misc)(struct radeon_device *rdev);
1941  		void (*prepare)(struct radeon_device *rdev);
1942  		void (*finish)(struct radeon_device *rdev);
1943  		void (*init_profile)(struct radeon_device *rdev);
1944  		void (*get_dynpm_state)(struct radeon_device *rdev);
1945  		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1946  		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1947  		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1948  		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1949  		int (*get_pcie_lanes)(struct radeon_device *rdev);
1950  		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1951  		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1952  		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1953  		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1954  		int (*get_temperature)(struct radeon_device *rdev);
1955  	} pm;
1956  	/* dynamic power management */
1957  	struct {
1958  		int (*init)(struct radeon_device *rdev);
1959  		void (*setup_asic)(struct radeon_device *rdev);
1960  		int (*enable)(struct radeon_device *rdev);
1961  		int (*late_enable)(struct radeon_device *rdev);
1962  		void (*disable)(struct radeon_device *rdev);
1963  		int (*pre_set_power_state)(struct radeon_device *rdev);
1964  		int (*set_power_state)(struct radeon_device *rdev);
1965  		void (*post_set_power_state)(struct radeon_device *rdev);
1966  		void (*display_configuration_changed)(struct radeon_device *rdev);
1967  		void (*fini)(struct radeon_device *rdev);
1968  		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1969  		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1970  		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1971  		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1972  		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1973  		bool (*vblank_too_short)(struct radeon_device *rdev);
1974  		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1975  		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1976  		void (*fan_ctrl_set_mode)(struct radeon_device *rdev, u32 mode);
1977  		u32 (*fan_ctrl_get_mode)(struct radeon_device *rdev);
1978  		int (*set_fan_speed_percent)(struct radeon_device *rdev, u32 speed);
1979  		int (*get_fan_speed_percent)(struct radeon_device *rdev, u32 *speed);
1980  		u32 (*get_current_sclk)(struct radeon_device *rdev);
1981  		u32 (*get_current_mclk)(struct radeon_device *rdev);
1982  		u16 (*get_current_vddc)(struct radeon_device *rdev);
1983  	} dpm;
1984  	/* pageflipping */
1985  	struct {
1986  		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base, bool async);
1987  		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
1988  	} pflip;
1989  };
1990  
1991  /*
1992   * Asic structures
1993   */
1994  struct r100_asic {
1995  	const unsigned		*reg_safe_bm;
1996  	unsigned		reg_safe_bm_size;
1997  	u32			hdp_cntl;
1998  };
1999  
2000  struct r300_asic {
2001  	const unsigned		*reg_safe_bm;
2002  	unsigned		reg_safe_bm_size;
2003  	u32			resync_scratch;
2004  	u32			hdp_cntl;
2005  };
2006  
2007  struct r600_asic {
2008  	unsigned		max_pipes;
2009  	unsigned		max_tile_pipes;
2010  	unsigned		max_simds;
2011  	unsigned		max_backends;
2012  	unsigned		max_gprs;
2013  	unsigned		max_threads;
2014  	unsigned		max_stack_entries;
2015  	unsigned		max_hw_contexts;
2016  	unsigned		max_gs_threads;
2017  	unsigned		sx_max_export_size;
2018  	unsigned		sx_max_export_pos_size;
2019  	unsigned		sx_max_export_smx_size;
2020  	unsigned		sq_num_cf_insts;
2021  	unsigned		tiling_nbanks;
2022  	unsigned		tiling_npipes;
2023  	unsigned		tiling_group_size;
2024  	unsigned		tile_config;
2025  	unsigned		backend_map;
2026  	unsigned		active_simds;
2027  };
2028  
2029  struct rv770_asic {
2030  	unsigned		max_pipes;
2031  	unsigned		max_tile_pipes;
2032  	unsigned		max_simds;
2033  	unsigned		max_backends;
2034  	unsigned		max_gprs;
2035  	unsigned		max_threads;
2036  	unsigned		max_stack_entries;
2037  	unsigned		max_hw_contexts;
2038  	unsigned		max_gs_threads;
2039  	unsigned		sx_max_export_size;
2040  	unsigned		sx_max_export_pos_size;
2041  	unsigned		sx_max_export_smx_size;
2042  	unsigned		sq_num_cf_insts;
2043  	unsigned		sx_num_of_sets;
2044  	unsigned		sc_prim_fifo_size;
2045  	unsigned		sc_hiz_tile_fifo_size;
2046  	unsigned		sc_earlyz_tile_fifo_fize;
2047  	unsigned		tiling_nbanks;
2048  	unsigned		tiling_npipes;
2049  	unsigned		tiling_group_size;
2050  	unsigned		tile_config;
2051  	unsigned		backend_map;
2052  	unsigned		active_simds;
2053  };
2054  
2055  struct evergreen_asic {
2056  	unsigned num_ses;
2057  	unsigned max_pipes;
2058  	unsigned max_tile_pipes;
2059  	unsigned max_simds;
2060  	unsigned max_backends;
2061  	unsigned max_gprs;
2062  	unsigned max_threads;
2063  	unsigned max_stack_entries;
2064  	unsigned max_hw_contexts;
2065  	unsigned max_gs_threads;
2066  	unsigned sx_max_export_size;
2067  	unsigned sx_max_export_pos_size;
2068  	unsigned sx_max_export_smx_size;
2069  	unsigned sq_num_cf_insts;
2070  	unsigned sx_num_of_sets;
2071  	unsigned sc_prim_fifo_size;
2072  	unsigned sc_hiz_tile_fifo_size;
2073  	unsigned sc_earlyz_tile_fifo_size;
2074  	unsigned tiling_nbanks;
2075  	unsigned tiling_npipes;
2076  	unsigned tiling_group_size;
2077  	unsigned tile_config;
2078  	unsigned backend_map;
2079  	unsigned active_simds;
2080  };
2081  
2082  struct cayman_asic {
2083  	unsigned max_shader_engines;
2084  	unsigned max_pipes_per_simd;
2085  	unsigned max_tile_pipes;
2086  	unsigned max_simds_per_se;
2087  	unsigned max_backends_per_se;
2088  	unsigned max_texture_channel_caches;
2089  	unsigned max_gprs;
2090  	unsigned max_threads;
2091  	unsigned max_gs_threads;
2092  	unsigned max_stack_entries;
2093  	unsigned sx_num_of_sets;
2094  	unsigned sx_max_export_size;
2095  	unsigned sx_max_export_pos_size;
2096  	unsigned sx_max_export_smx_size;
2097  	unsigned max_hw_contexts;
2098  	unsigned sq_num_cf_insts;
2099  	unsigned sc_prim_fifo_size;
2100  	unsigned sc_hiz_tile_fifo_size;
2101  	unsigned sc_earlyz_tile_fifo_size;
2102  
2103  	unsigned num_shader_engines;
2104  	unsigned num_shader_pipes_per_simd;
2105  	unsigned num_tile_pipes;
2106  	unsigned num_simds_per_se;
2107  	unsigned num_backends_per_se;
2108  	unsigned backend_disable_mask_per_asic;
2109  	unsigned backend_map;
2110  	unsigned num_texture_channel_caches;
2111  	unsigned mem_max_burst_length_bytes;
2112  	unsigned mem_row_size_in_kb;
2113  	unsigned shader_engine_tile_size;
2114  	unsigned num_gpus;
2115  	unsigned multi_gpu_tile_size;
2116  
2117  	unsigned tile_config;
2118  	unsigned active_simds;
2119  };
2120  
2121  struct si_asic {
2122  	unsigned max_shader_engines;
2123  	unsigned max_tile_pipes;
2124  	unsigned max_cu_per_sh;
2125  	unsigned max_sh_per_se;
2126  	unsigned max_backends_per_se;
2127  	unsigned max_texture_channel_caches;
2128  	unsigned max_gprs;
2129  	unsigned max_gs_threads;
2130  	unsigned max_hw_contexts;
2131  	unsigned sc_prim_fifo_size_frontend;
2132  	unsigned sc_prim_fifo_size_backend;
2133  	unsigned sc_hiz_tile_fifo_size;
2134  	unsigned sc_earlyz_tile_fifo_size;
2135  
2136  	unsigned num_tile_pipes;
2137  	unsigned backend_enable_mask;
2138  	unsigned backend_disable_mask_per_asic;
2139  	unsigned backend_map;
2140  	unsigned num_texture_channel_caches;
2141  	unsigned mem_max_burst_length_bytes;
2142  	unsigned mem_row_size_in_kb;
2143  	unsigned shader_engine_tile_size;
2144  	unsigned num_gpus;
2145  	unsigned multi_gpu_tile_size;
2146  
2147  	unsigned tile_config;
2148  	uint32_t tile_mode_array[32];
2149  	uint32_t active_cus;
2150  };
2151  
2152  struct cik_asic {
2153  	unsigned max_shader_engines;
2154  	unsigned max_tile_pipes;
2155  	unsigned max_cu_per_sh;
2156  	unsigned max_sh_per_se;
2157  	unsigned max_backends_per_se;
2158  	unsigned max_texture_channel_caches;
2159  	unsigned max_gprs;
2160  	unsigned max_gs_threads;
2161  	unsigned max_hw_contexts;
2162  	unsigned sc_prim_fifo_size_frontend;
2163  	unsigned sc_prim_fifo_size_backend;
2164  	unsigned sc_hiz_tile_fifo_size;
2165  	unsigned sc_earlyz_tile_fifo_size;
2166  
2167  	unsigned num_tile_pipes;
2168  	unsigned backend_enable_mask;
2169  	unsigned backend_disable_mask_per_asic;
2170  	unsigned backend_map;
2171  	unsigned num_texture_channel_caches;
2172  	unsigned mem_max_burst_length_bytes;
2173  	unsigned mem_row_size_in_kb;
2174  	unsigned shader_engine_tile_size;
2175  	unsigned num_gpus;
2176  	unsigned multi_gpu_tile_size;
2177  
2178  	unsigned tile_config;
2179  	uint32_t tile_mode_array[32];
2180  	uint32_t macrotile_mode_array[16];
2181  	uint32_t active_cus;
2182  };
2183  
2184  union radeon_asic_config {
2185  	struct r300_asic	r300;
2186  	struct r100_asic	r100;
2187  	struct r600_asic	r600;
2188  	struct rv770_asic	rv770;
2189  	struct evergreen_asic	evergreen;
2190  	struct cayman_asic	cayman;
2191  	struct si_asic		si;
2192  	struct cik_asic		cik;
2193  };
2194  
2195  /*
2196   * asic initizalization from radeon_asic.c
2197   */
2198  void radeon_agp_disable(struct radeon_device *rdev);
2199  int radeon_asic_init(struct radeon_device *rdev);
2200  
2201  
2202  /*
2203   * IOCTL.
2204   */
2205  int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2206  			  struct drm_file *filp);
2207  int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2208  			    struct drm_file *filp);
2209  int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
2210  			     struct drm_file *filp);
2211  int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2212  			 struct drm_file *file_priv);
2213  int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2214  			   struct drm_file *file_priv);
2215  int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2216  				struct drm_file *filp);
2217  int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2218  			  struct drm_file *filp);
2219  int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2220  			  struct drm_file *filp);
2221  int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2222  			      struct drm_file *filp);
2223  int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2224  			  struct drm_file *filp);
2225  int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2226  			struct drm_file *filp);
2227  int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2228  int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2229  				struct drm_file *filp);
2230  int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2231  				struct drm_file *filp);
2232  int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2233  
2234  /* VRAM scratch page for HDP bug, default vram page */
2235  struct r600_vram_scratch {
2236  	struct radeon_bo		*robj;
2237  	volatile uint32_t		*ptr;
2238  	u64				gpu_addr;
2239  };
2240  
2241  /*
2242   * ACPI
2243   */
2244  struct radeon_atif_notification_cfg {
2245  	bool enabled;
2246  	int command_code;
2247  };
2248  
2249  struct radeon_atif_notifications {
2250  	bool display_switch;
2251  	bool expansion_mode_change;
2252  	bool thermal_state;
2253  	bool forced_power_state;
2254  	bool system_power_state;
2255  	bool display_conf_change;
2256  	bool px_gfx_switch;
2257  	bool brightness_change;
2258  	bool dgpu_display_event;
2259  };
2260  
2261  struct radeon_atif_functions {
2262  	bool system_params;
2263  	bool sbios_requests;
2264  	bool select_active_disp;
2265  	bool lid_state;
2266  	bool get_tv_standard;
2267  	bool set_tv_standard;
2268  	bool get_panel_expansion_mode;
2269  	bool set_panel_expansion_mode;
2270  	bool temperature_change;
2271  	bool graphics_device_types;
2272  };
2273  
2274  struct radeon_atif {
2275  	struct radeon_atif_notifications notifications;
2276  	struct radeon_atif_functions functions;
2277  	struct radeon_atif_notification_cfg notification_cfg;
2278  	struct radeon_encoder *encoder_for_bl;
2279  };
2280  
2281  struct radeon_atcs_functions {
2282  	bool get_ext_state;
2283  	bool pcie_perf_req;
2284  	bool pcie_dev_rdy;
2285  	bool pcie_bus_width;
2286  };
2287  
2288  struct radeon_atcs {
2289  	struct radeon_atcs_functions functions;
2290  };
2291  
2292  /*
2293   * Core structure, functions and helpers.
2294   */
2295  typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2296  typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2297  
2298  struct radeon_device {
2299  	struct device			*dev;
2300  	struct drm_device		ddev;
2301  	struct pci_dev			*pdev;
2302  #ifdef __alpha__
2303  	struct pci_controller		*hose;
2304  #endif
2305  	struct radeon_agp_head		*agp;
2306  	struct rw_semaphore		exclusive_lock;
2307  	/* ASIC */
2308  	union radeon_asic_config	config;
2309  	enum radeon_family		family;
2310  	unsigned long			flags;
2311  	int				usec_timeout;
2312  	enum radeon_pll_errata		pll_errata;
2313  	int				num_gb_pipes;
2314  	int				num_z_pipes;
2315  	int				disp_priority;
2316  	/* BIOS */
2317  	uint8_t				*bios;
2318  	bool				is_atom_bios;
2319  	uint16_t			bios_header_start;
2320  	struct radeon_bo		*stolen_vga_memory;
2321  	/* Register mmio */
2322  	resource_size_t			rmmio_base;
2323  	resource_size_t			rmmio_size;
2324  	/* protects concurrent MM_INDEX/DATA based register access */
2325  	spinlock_t mmio_idx_lock;
2326  	/* protects concurrent SMC based register access */
2327  	spinlock_t smc_idx_lock;
2328  	/* protects concurrent PLL register access */
2329  	spinlock_t pll_idx_lock;
2330  	/* protects concurrent MC register access */
2331  	spinlock_t mc_idx_lock;
2332  	/* protects concurrent PCIE register access */
2333  	spinlock_t pcie_idx_lock;
2334  	/* protects concurrent PCIE_PORT register access */
2335  	spinlock_t pciep_idx_lock;
2336  	/* protects concurrent PIF register access */
2337  	spinlock_t pif_idx_lock;
2338  	/* protects concurrent CG register access */
2339  	spinlock_t cg_idx_lock;
2340  	/* protects concurrent UVD register access */
2341  	spinlock_t uvd_idx_lock;
2342  	/* protects concurrent RCU register access */
2343  	spinlock_t rcu_idx_lock;
2344  	/* protects concurrent DIDT register access */
2345  	spinlock_t didt_idx_lock;
2346  	/* protects concurrent ENDPOINT (audio) register access */
2347  	spinlock_t end_idx_lock;
2348  	void __iomem			*rmmio;
2349  	radeon_rreg_t			mc_rreg;
2350  	radeon_wreg_t			mc_wreg;
2351  	radeon_rreg_t			pll_rreg;
2352  	radeon_wreg_t			pll_wreg;
2353  	uint32_t                        pcie_reg_mask;
2354  	radeon_rreg_t			pciep_rreg;
2355  	radeon_wreg_t			pciep_wreg;
2356  	/* io port */
2357  	void __iomem                    *rio_mem;
2358  	resource_size_t			rio_mem_size;
2359  	struct radeon_clock             clock;
2360  	struct radeon_mc		mc;
2361  	struct radeon_gart		gart;
2362  	struct radeon_mode_info		mode_info;
2363  	struct radeon_scratch		scratch;
2364  	struct radeon_doorbell		doorbell;
2365  	struct radeon_mman		mman;
2366  	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2367  	wait_queue_head_t		fence_queue;
2368  	u64				fence_context;
2369  	struct mutex			ring_lock;
2370  	struct radeon_ring		ring[RADEON_NUM_RINGS];
2371  	bool				ib_pool_ready;
2372  	struct radeon_sa_manager	ring_tmp_bo;
2373  	struct radeon_irq		irq;
2374  	struct radeon_asic		*asic;
2375  	struct radeon_gem		gem;
2376  	struct radeon_pm		pm;
2377  	struct radeon_uvd		uvd;
2378  	struct radeon_vce		vce;
2379  	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2380  	struct radeon_wb		wb;
2381  	struct radeon_dummy_page	dummy_page;
2382  	bool				shutdown;
2383  	bool				need_swiotlb;
2384  	bool				accel_working;
2385  	bool				fastfb_working; /* IGP feature*/
2386  	bool				needs_reset, in_reset;
2387  	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2388  	const struct firmware *me_fw;	/* all family ME firmware */
2389  	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2390  	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2391  	const struct firmware *mc_fw;	/* NI MC firmware */
2392  	const struct firmware *ce_fw;	/* SI CE firmware */
2393  	const struct firmware *mec_fw;	/* CIK MEC firmware */
2394  	const struct firmware *mec2_fw;	/* KV MEC2 firmware */
2395  	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2396  	const struct firmware *smc_fw;	/* SMC firmware */
2397  	const struct firmware *uvd_fw;	/* UVD firmware */
2398  	const struct firmware *vce_fw;	/* VCE firmware */
2399  	bool new_fw;
2400  	struct r600_vram_scratch vram_scratch;
2401  	int msi_enabled; /* msi enabled */
2402  	struct r600_ih ih; /* r6/700 interrupt ring */
2403  	struct radeon_rlc rlc;
2404  	struct radeon_mec mec;
2405  	struct delayed_work hotplug_work;
2406  	struct work_struct dp_work;
2407  	struct work_struct audio_work;
2408  	int num_crtc; /* number of crtcs */
2409  	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2410  	bool has_uvd;
2411  	bool has_vce;
2412  	struct r600_audio audio; /* audio stuff */
2413  	struct notifier_block acpi_nb;
2414  	/* only one userspace can use Hyperz features or CMASK at a time */
2415  	struct drm_file *hyperz_filp;
2416  	struct drm_file *cmask_filp;
2417  	/* i2c buses */
2418  	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2419  	/* virtual memory */
2420  	struct radeon_vm_manager	vm_manager;
2421  	struct mutex			gpu_clock_mutex;
2422  	/* memory stats */
2423  	atomic64_t			num_bytes_moved;
2424  	atomic_t			gpu_reset_counter;
2425  	/* ACPI interface */
2426  	struct radeon_atif		atif;
2427  	struct radeon_atcs		atcs;
2428  	/* srbm instance registers */
2429  	struct mutex			srbm_mutex;
2430  	/* clock, powergating flags */
2431  	u32 cg_flags;
2432  	u32 pg_flags;
2433  
2434  	struct dev_pm_domain vga_pm_domain;
2435  	bool have_disp_power_ref;
2436  	u32 px_quirk_flags;
2437  
2438  	/* tracking pinned memory */
2439  	u64 vram_pin_size;
2440  	u64 gart_pin_size;
2441  };
2442  
2443  bool radeon_is_px(struct drm_device *dev);
2444  int radeon_device_init(struct radeon_device *rdev,
2445  		       struct drm_device *ddev,
2446  		       struct pci_dev *pdev,
2447  		       uint32_t flags);
2448  void radeon_device_fini(struct radeon_device *rdev);
2449  int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2450  
2451  #define RADEON_MIN_MMIO_SIZE 0x10000
2452  
2453  uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg);
2454  void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v);
r100_mm_rreg(struct radeon_device * rdev,uint32_t reg,bool always_indirect)2455  static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2456  				    bool always_indirect)
2457  {
2458  	/* The mmio size is 64kb at minimum. Allows the if to be optimized out. */
2459  	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2460  		return readl(((void __iomem *)rdev->rmmio) + reg);
2461  	else
2462  		return r100_mm_rreg_slow(rdev, reg);
2463  }
r100_mm_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v,bool always_indirect)2464  static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2465  				bool always_indirect)
2466  {
2467  	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2468  		writel(v, ((void __iomem *)rdev->rmmio) + reg);
2469  	else
2470  		r100_mm_wreg_slow(rdev, reg, v);
2471  }
2472  
2473  u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2474  void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2475  
2476  u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2477  void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2478  
rdev_to_drm(struct radeon_device * rdev)2479  static inline struct drm_device *rdev_to_drm(struct radeon_device *rdev)
2480  {
2481  	return &rdev->ddev;
2482  }
2483  
2484  /*
2485   * Cast helper
2486   */
2487  extern const struct dma_fence_ops radeon_fence_ops;
2488  
to_radeon_fence(struct dma_fence * f)2489  static inline struct radeon_fence *to_radeon_fence(struct dma_fence *f)
2490  {
2491  	struct radeon_fence *__f = container_of(f, struct radeon_fence, base);
2492  
2493  	if (__f->base.ops == &radeon_fence_ops)
2494  		return __f;
2495  
2496  	return NULL;
2497  }
2498  
2499  /*
2500   * Registers read & write functions.
2501   */
2502  #define RREG8(reg) readb((rdev->rmmio) + (reg))
2503  #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2504  #define RREG16(reg) readw((rdev->rmmio) + (reg))
2505  #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2506  #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2507  #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2508  #define DREG32(reg) pr_info("REGISTER: " #reg " : 0x%08X\n",	\
2509  			    r100_mm_rreg(rdev, (reg), false))
2510  #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2511  #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2512  #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2513  #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2514  #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2515  #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2516  #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2517  #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2518  #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2519  #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2520  #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2521  #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2522  #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2523  #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2524  #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2525  #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2526  #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2527  #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2528  #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2529  #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2530  #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2531  #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2532  #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2533  #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2534  #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2535  #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2536  #define WREG32_P(reg, val, mask)				\
2537  	do {							\
2538  		uint32_t tmp_ = RREG32(reg);			\
2539  		tmp_ &= (mask);					\
2540  		tmp_ |= ((val) & ~(mask));			\
2541  		WREG32(reg, tmp_);				\
2542  	} while (0)
2543  #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2544  #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2545  #define WREG32_PLL_P(reg, val, mask)				\
2546  	do {							\
2547  		uint32_t tmp_ = RREG32_PLL(reg);		\
2548  		tmp_ &= (mask);					\
2549  		tmp_ |= ((val) & ~(mask));			\
2550  		WREG32_PLL(reg, tmp_);				\
2551  	} while (0)
2552  #define WREG32_SMC_P(reg, val, mask)				\
2553  	do {							\
2554  		uint32_t tmp_ = RREG32_SMC(reg);		\
2555  		tmp_ &= (mask);					\
2556  		tmp_ |= ((val) & ~(mask));			\
2557  		WREG32_SMC(reg, tmp_);				\
2558  	} while (0)
2559  #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2560  #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2561  #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2562  
2563  #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2564  #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2565  
2566  /*
2567   * Indirect registers accessors.
2568   * They used to be inlined, but this increases code size by ~65 kbytes.
2569   * Since each performs a pair of MMIO ops
2570   * within a spin_lock_irqsave/spin_unlock_irqrestore region,
2571   * the cost of call+ret is almost negligible. MMIO and locking
2572   * costs several dozens of cycles each at best, call+ret is ~5 cycles.
2573   */
2574  uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg);
2575  void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
2576  u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg);
2577  void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2578  u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg);
2579  void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2580  u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg);
2581  void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2582  u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg);
2583  void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2584  u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg);
2585  void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2586  u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg);
2587  void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2588  u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg);
2589  void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2590  
2591  void r100_pll_errata_after_index(struct radeon_device *rdev);
2592  
2593  
2594  /*
2595   * ASICs helpers.
2596   */
2597  #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2598  			    (rdev->pdev->device == 0x5969))
2599  #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2600  		(rdev->family == CHIP_RV200) || \
2601  		(rdev->family == CHIP_RS100) || \
2602  		(rdev->family == CHIP_RS200) || \
2603  		(rdev->family == CHIP_RV250) || \
2604  		(rdev->family == CHIP_RV280) || \
2605  		(rdev->family == CHIP_RS300))
2606  #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2607  		(rdev->family == CHIP_RV350) ||			\
2608  		(rdev->family == CHIP_R350)  ||			\
2609  		(rdev->family == CHIP_RV380) ||			\
2610  		(rdev->family == CHIP_R420)  ||			\
2611  		(rdev->family == CHIP_R423)  ||			\
2612  		(rdev->family == CHIP_RV410) ||			\
2613  		(rdev->family == CHIP_RS400) ||			\
2614  		(rdev->family == CHIP_RS480))
2615  #define ASIC_IS_X2(rdev) ((rdev->pdev->device == 0x9441) || \
2616  		(rdev->pdev->device == 0x9443) || \
2617  		(rdev->pdev->device == 0x944B) || \
2618  		(rdev->pdev->device == 0x9506) || \
2619  		(rdev->pdev->device == 0x9509) || \
2620  		(rdev->pdev->device == 0x950F) || \
2621  		(rdev->pdev->device == 0x689C) || \
2622  		(rdev->pdev->device == 0x689D))
2623  #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2624  #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2625  			    (rdev->family == CHIP_RS690)  ||	\
2626  			    (rdev->family == CHIP_RS740)  ||	\
2627  			    (rdev->family >= CHIP_R600))
2628  #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2629  #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2630  #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2631  #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2632  			     (rdev->flags & RADEON_IS_IGP))
2633  #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2634  #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2635  #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2636  			     (rdev->flags & RADEON_IS_IGP))
2637  #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2638  #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2639  #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2640  #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
2641  #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
2642  #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
2643  			     (rdev->family == CHIP_MULLINS))
2644  
2645  #define ASIC_IS_LOMBOK(rdev) ((rdev->pdev->device == 0x6849) || \
2646  			      (rdev->pdev->device == 0x6850) || \
2647  			      (rdev->pdev->device == 0x6858) || \
2648  			      (rdev->pdev->device == 0x6859) || \
2649  			      (rdev->pdev->device == 0x6840) || \
2650  			      (rdev->pdev->device == 0x6841) || \
2651  			      (rdev->pdev->device == 0x6842) || \
2652  			      (rdev->pdev->device == 0x6843))
2653  
2654  /*
2655   * BIOS helpers.
2656   */
2657  #define RBIOS8(i) (rdev->bios[i])
2658  #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2659  #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2660  
2661  int radeon_combios_init(struct radeon_device *rdev);
2662  void radeon_combios_fini(struct radeon_device *rdev);
2663  int radeon_atombios_init(struct radeon_device *rdev);
2664  void radeon_atombios_fini(struct radeon_device *rdev);
2665  
2666  
2667  /*
2668   * RING helpers.
2669   */
2670  
2671  /**
2672   * radeon_ring_write - write a value to the ring
2673   *
2674   * @ring: radeon_ring structure holding ring information
2675   * @v: dword (dw) value to write
2676   *
2677   * Write a value to the requested ring buffer (all asics).
2678   */
radeon_ring_write(struct radeon_ring * ring,uint32_t v)2679  static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2680  {
2681  	if (ring->count_dw <= 0)
2682  		DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
2683  
2684  	ring->ring[ring->wptr++] = v;
2685  	ring->wptr &= ring->ptr_mask;
2686  	ring->count_dw--;
2687  	ring->ring_free_dw--;
2688  }
2689  
2690  /*
2691   * ASICs macro.
2692   */
2693  #define radeon_init(rdev) (rdev)->asic->init((rdev))
2694  #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2695  #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2696  #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2697  #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2698  #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2699  #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev), false)
2700  #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2701  #define radeon_gart_get_page_entry(a, f) (rdev)->asic->gart.get_page_entry((a), (f))
2702  #define radeon_gart_set_page(rdev, i, e) (rdev)->asic->gart.set_page((rdev), (i), (e))
2703  #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2704  #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2705  #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
2706  #define radeon_asic_vm_write_pages(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.write_pages((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
2707  #define radeon_asic_vm_set_pages(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_pages((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
2708  #define radeon_asic_vm_pad_ib(rdev, ib) ((rdev)->asic->vm.pad_ib((ib)))
2709  #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2710  #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2711  #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2712  #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2713  #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2714  #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2715  #define radeon_ring_vm_flush(rdev, r, vm_id, pd_addr) (rdev)->asic->ring[(r)->idx]->vm_flush((rdev), (r), (vm_id), (pd_addr))
2716  #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2717  #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2718  #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2719  #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2720  #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2721  #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2722  #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2723  #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2724  #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2725  #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2726  #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2727  #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2728  #define radeon_copy_blit(rdev, s, d, np, resv) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (resv))
2729  #define radeon_copy_dma(rdev, s, d, np, resv) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (resv))
2730  #define radeon_copy(rdev, s, d, np, resv) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (resv))
2731  #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2732  #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2733  #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2734  #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2735  #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2736  #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2737  #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2738  #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2739  #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2740  #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2741  #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2742  #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2743  #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2744  #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2745  #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2746  #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2747  #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2748  #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2749  #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2750  #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2751  #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2752  #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2753  #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2754  #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2755  #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2756  #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2757  #define radeon_page_flip(rdev, crtc, base, async) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base), (async))
2758  #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
2759  #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2760  #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2761  #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2762  #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2763  #define radeon_get_allowed_info_register(rdev, r, v) (rdev)->asic->get_allowed_info_register((rdev), (r), (v))
2764  #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2765  #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2766  #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2767  #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2768  #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2769  #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2770  #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2771  #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2772  #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2773  #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2774  #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2775  #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2776  #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2777  #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2778  #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2779  #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2780  #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2781  #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2782  #define radeon_dpm_get_current_sclk(rdev) rdev->asic->dpm.get_current_sclk((rdev))
2783  #define radeon_dpm_get_current_mclk(rdev) rdev->asic->dpm.get_current_mclk((rdev))
2784  
2785  /* Common functions */
2786  /* AGP */
2787  extern int radeon_gpu_reset(struct radeon_device *rdev);
2788  extern void radeon_pci_config_reset(struct radeon_device *rdev);
2789  extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2790  extern void radeon_agp_disable(struct radeon_device *rdev);
2791  extern int radeon_modeset_init(struct radeon_device *rdev);
2792  extern void radeon_modeset_fini(struct radeon_device *rdev);
2793  extern bool radeon_card_posted(struct radeon_device *rdev);
2794  extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2795  extern void radeon_update_display_priority(struct radeon_device *rdev);
2796  extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2797  extern void radeon_scratch_init(struct radeon_device *rdev);
2798  extern void radeon_wb_fini(struct radeon_device *rdev);
2799  extern int radeon_wb_init(struct radeon_device *rdev);
2800  extern void radeon_wb_disable(struct radeon_device *rdev);
2801  extern void radeon_surface_init(struct radeon_device *rdev);
2802  extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2803  extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2804  extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2805  extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2806  extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2807  extern int radeon_ttm_tt_set_userptr(struct radeon_device *rdev,
2808  				     struct ttm_tt *ttm, uint64_t addr,
2809  				     uint32_t flags);
2810  extern bool radeon_ttm_tt_has_userptr(struct radeon_device *rdev, struct ttm_tt *ttm);
2811  extern bool radeon_ttm_tt_is_readonly(struct radeon_device *rdev, struct ttm_tt *ttm);
2812  bool radeon_ttm_tt_is_bound(struct ttm_device *bdev, struct ttm_tt *ttm);
2813  extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2814  extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2815  extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2816  extern int radeon_suspend_kms(struct drm_device *dev, bool suspend,
2817  			      bool fbcon, bool freeze);
2818  extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2819  extern void radeon_program_register_sequence(struct radeon_device *rdev,
2820  					     const u32 *registers,
2821  					     const u32 array_size);
2822  struct radeon_device *radeon_get_rdev(struct ttm_device *bdev);
2823  
2824  /* KMS */
2825  
2826  u32 radeon_get_vblank_counter_kms(struct drm_crtc *crtc);
2827  int radeon_enable_vblank_kms(struct drm_crtc *crtc);
2828  void radeon_disable_vblank_kms(struct drm_crtc *crtc);
2829  
2830  /*
2831   * vm
2832   */
2833  int radeon_vm_manager_init(struct radeon_device *rdev);
2834  void radeon_vm_manager_fini(struct radeon_device *rdev);
2835  int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2836  void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2837  struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
2838  					  struct radeon_vm *vm,
2839                                            struct list_head *head);
2840  struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2841  				       struct radeon_vm *vm, int ring);
2842  void radeon_vm_flush(struct radeon_device *rdev,
2843                       struct radeon_vm *vm,
2844  		     int ring, struct radeon_fence *fence);
2845  void radeon_vm_fence(struct radeon_device *rdev,
2846  		     struct radeon_vm *vm,
2847  		     struct radeon_fence *fence);
2848  uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2849  int radeon_vm_update_page_directory(struct radeon_device *rdev,
2850  				    struct radeon_vm *vm);
2851  int radeon_vm_clear_freed(struct radeon_device *rdev,
2852  			  struct radeon_vm *vm);
2853  int radeon_vm_clear_invalids(struct radeon_device *rdev,
2854  			     struct radeon_vm *vm);
2855  int radeon_vm_bo_update(struct radeon_device *rdev,
2856  			struct radeon_bo_va *bo_va,
2857  			struct ttm_resource *mem);
2858  void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2859  			     struct radeon_bo *bo);
2860  struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2861  				       struct radeon_bo *bo);
2862  struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2863  				      struct radeon_vm *vm,
2864  				      struct radeon_bo *bo);
2865  int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2866  			  struct radeon_bo_va *bo_va,
2867  			  uint64_t offset,
2868  			  uint32_t flags);
2869  void radeon_vm_bo_rmv(struct radeon_device *rdev,
2870  		      struct radeon_bo_va *bo_va);
2871  
2872  /* audio */
2873  void r600_audio_update_hdmi(struct work_struct *work);
2874  struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2875  struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2876  void r600_audio_enable(struct radeon_device *rdev,
2877  		       struct r600_audio_pin *pin,
2878  		       u8 enable_mask);
2879  void dce6_audio_enable(struct radeon_device *rdev,
2880  		       struct r600_audio_pin *pin,
2881  		       u8 enable_mask);
2882  
2883  /*
2884   * R600 vram scratch functions
2885   */
2886  int r600_vram_scratch_init(struct radeon_device *rdev);
2887  void r600_vram_scratch_fini(struct radeon_device *rdev);
2888  
2889  /*
2890   * r600 cs checking helper
2891   */
2892  unsigned r600_mip_minify(unsigned size, unsigned level);
2893  bool r600_fmt_is_valid_color(u32 format);
2894  bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
2895  int r600_fmt_get_blocksize(u32 format);
2896  int r600_fmt_get_nblocksx(u32 format, u32 w);
2897  int r600_fmt_get_nblocksy(u32 format, u32 h);
2898  
2899  /*
2900   * r600 functions used by radeon_encoder.c
2901   */
2902  struct radeon_hdmi_acr {
2903  	u32 clock;
2904  
2905  	int n_32khz;
2906  	int cts_32khz;
2907  
2908  	int n_44_1khz;
2909  	int cts_44_1khz;
2910  
2911  	int n_48khz;
2912  	int cts_48khz;
2913  
2914  };
2915  
2916  extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
2917  				     u32 tiling_pipe_num,
2918  				     u32 max_rb_num,
2919  				     u32 total_max_rb_num,
2920  				     u32 enabled_rb_mask);
2921  
2922  /*
2923   * evergreen functions used by radeon_encoder.c
2924   */
2925  
2926  extern int ni_init_microcode(struct radeon_device *rdev);
2927  extern int ni_mc_load_microcode(struct radeon_device *rdev);
2928  
2929  /* radeon_acpi.c */
2930  #if defined(CONFIG_ACPI)
2931  extern int radeon_acpi_init(struct radeon_device *rdev);
2932  extern void radeon_acpi_fini(struct radeon_device *rdev);
2933  extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
2934  extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
2935  						u8 perf_req, bool advertise);
2936  extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
2937  #else
radeon_acpi_init(struct radeon_device * rdev)2938  static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
radeon_acpi_fini(struct radeon_device * rdev)2939  static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
2940  #endif
2941  
2942  int radeon_cs_packet_parse(struct radeon_cs_parser *p,
2943  			   struct radeon_cs_packet *pkt,
2944  			   unsigned idx);
2945  bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
2946  void radeon_cs_dump_packet(struct radeon_cs_parser *p,
2947  			   struct radeon_cs_packet *pkt);
2948  int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
2949  				struct radeon_bo_list **cs_reloc,
2950  				int nomm);
2951  int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
2952  			       uint32_t *vline_start_end,
2953  			       uint32_t *vline_status);
2954  
2955  /* interrupt control register helpers */
2956  void radeon_irq_kms_set_irq_n_enabled(struct radeon_device *rdev,
2957  				      u32 reg, u32 mask,
2958  				      bool enable, const char *name,
2959  				      unsigned n);
2960  
2961  /* Audio component binding */
2962  void radeon_audio_component_init(struct radeon_device *rdev);
2963  void radeon_audio_component_fini(struct radeon_device *rdev);
2964  
2965  #include "radeon_object.h"
2966  
2967  #endif
2968