xref: /openbmc/linux/drivers/gpu/drm/radeon/radeon.h (revision 1c2f87c2)
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/atomic.h>
64 #include <linux/wait.h>
65 #include <linux/list.h>
66 #include <linux/kref.h>
67 
68 #include <ttm/ttm_bo_api.h>
69 #include <ttm/ttm_bo_driver.h>
70 #include <ttm/ttm_placement.h>
71 #include <ttm/ttm_module.h>
72 #include <ttm/ttm_execbuf_util.h>
73 
74 #include "radeon_family.h"
75 #include "radeon_mode.h"
76 #include "radeon_reg.h"
77 
78 /*
79  * Modules parameters.
80  */
81 extern int radeon_no_wb;
82 extern int radeon_modeset;
83 extern int radeon_dynclks;
84 extern int radeon_r4xx_atom;
85 extern int radeon_agpmode;
86 extern int radeon_vram_limit;
87 extern int radeon_gart_size;
88 extern int radeon_benchmarking;
89 extern int radeon_testing;
90 extern int radeon_connector_table;
91 extern int radeon_tv;
92 extern int radeon_audio;
93 extern int radeon_disp_priority;
94 extern int radeon_hw_i2c;
95 extern int radeon_pcie_gen2;
96 extern int radeon_msi;
97 extern int radeon_lockup_timeout;
98 extern int radeon_fastfb;
99 extern int radeon_dpm;
100 extern int radeon_aspm;
101 extern int radeon_runtime_pm;
102 extern int radeon_hard_reset;
103 
104 /*
105  * Copy from radeon_drv.h so we don't have to include both and have conflicting
106  * symbol;
107  */
108 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
109 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
110 /* RADEON_IB_POOL_SIZE must be a power of 2 */
111 #define RADEON_IB_POOL_SIZE			16
112 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
113 #define RADEONFB_CONN_LIMIT			4
114 #define RADEON_BIOS_NUM_SCRATCH			8
115 
116 /* fence seq are set to this number when signaled */
117 #define RADEON_FENCE_SIGNALED_SEQ		0LL
118 
119 /* internal ring indices */
120 /* r1xx+ has gfx CP ring */
121 #define RADEON_RING_TYPE_GFX_INDEX		0
122 
123 /* cayman has 2 compute CP rings */
124 #define CAYMAN_RING_TYPE_CP1_INDEX		1
125 #define CAYMAN_RING_TYPE_CP2_INDEX		2
126 
127 /* R600+ has an async dma ring */
128 #define R600_RING_TYPE_DMA_INDEX		3
129 /* cayman add a second async dma ring */
130 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
131 
132 /* R600+ */
133 #define R600_RING_TYPE_UVD_INDEX		5
134 
135 /* TN+ */
136 #define TN_RING_TYPE_VCE1_INDEX			6
137 #define TN_RING_TYPE_VCE2_INDEX			7
138 
139 /* max number of rings */
140 #define RADEON_NUM_RINGS			8
141 
142 /* number of hw syncs before falling back on blocking */
143 #define RADEON_NUM_SYNCS			4
144 
145 /* number of hw syncs before falling back on blocking */
146 #define RADEON_NUM_SYNCS			4
147 
148 /* hardcode those limit for now */
149 #define RADEON_VA_IB_OFFSET			(1 << 20)
150 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
151 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
152 
153 /* hard reset data */
154 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
155 
156 /* reset flags */
157 #define RADEON_RESET_GFX			(1 << 0)
158 #define RADEON_RESET_COMPUTE			(1 << 1)
159 #define RADEON_RESET_DMA			(1 << 2)
160 #define RADEON_RESET_CP				(1 << 3)
161 #define RADEON_RESET_GRBM			(1 << 4)
162 #define RADEON_RESET_DMA1			(1 << 5)
163 #define RADEON_RESET_RLC			(1 << 6)
164 #define RADEON_RESET_SEM			(1 << 7)
165 #define RADEON_RESET_IH				(1 << 8)
166 #define RADEON_RESET_VMC			(1 << 9)
167 #define RADEON_RESET_MC				(1 << 10)
168 #define RADEON_RESET_DISPLAY			(1 << 11)
169 
170 /* CG block flags */
171 #define RADEON_CG_BLOCK_GFX			(1 << 0)
172 #define RADEON_CG_BLOCK_MC			(1 << 1)
173 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
174 #define RADEON_CG_BLOCK_UVD			(1 << 3)
175 #define RADEON_CG_BLOCK_VCE			(1 << 4)
176 #define RADEON_CG_BLOCK_HDP			(1 << 5)
177 #define RADEON_CG_BLOCK_BIF			(1 << 6)
178 
179 /* CG flags */
180 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
181 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
182 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
183 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
184 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
185 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
186 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
187 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
188 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
189 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
190 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
191 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
192 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
193 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
194 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
195 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
196 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
197 
198 /* PG flags */
199 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
200 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
201 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
202 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
203 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
204 #define RADEON_PG_SUPPORT_CP			(1 << 5)
205 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
206 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
207 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
208 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
209 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
210 
211 /* max cursor sizes (in pixels) */
212 #define CURSOR_WIDTH 64
213 #define CURSOR_HEIGHT 64
214 
215 #define CIK_CURSOR_WIDTH 128
216 #define CIK_CURSOR_HEIGHT 128
217 
218 /*
219  * Errata workarounds.
220  */
221 enum radeon_pll_errata {
222 	CHIP_ERRATA_R300_CG             = 0x00000001,
223 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
224 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
225 };
226 
227 
228 struct radeon_device;
229 
230 
231 /*
232  * BIOS.
233  */
234 bool radeon_get_bios(struct radeon_device *rdev);
235 
236 /*
237  * Dummy page
238  */
239 struct radeon_dummy_page {
240 	struct page	*page;
241 	dma_addr_t	addr;
242 };
243 int radeon_dummy_page_init(struct radeon_device *rdev);
244 void radeon_dummy_page_fini(struct radeon_device *rdev);
245 
246 
247 /*
248  * Clocks
249  */
250 struct radeon_clock {
251 	struct radeon_pll p1pll;
252 	struct radeon_pll p2pll;
253 	struct radeon_pll dcpll;
254 	struct radeon_pll spll;
255 	struct radeon_pll mpll;
256 	/* 10 Khz units */
257 	uint32_t default_mclk;
258 	uint32_t default_sclk;
259 	uint32_t default_dispclk;
260 	uint32_t current_dispclk;
261 	uint32_t dp_extclk;
262 	uint32_t max_pixel_clock;
263 };
264 
265 /*
266  * Power management
267  */
268 int radeon_pm_init(struct radeon_device *rdev);
269 int radeon_pm_late_init(struct radeon_device *rdev);
270 void radeon_pm_fini(struct radeon_device *rdev);
271 void radeon_pm_compute_clocks(struct radeon_device *rdev);
272 void radeon_pm_suspend(struct radeon_device *rdev);
273 void radeon_pm_resume(struct radeon_device *rdev);
274 void radeon_combios_get_power_modes(struct radeon_device *rdev);
275 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
276 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
277 				   u8 clock_type,
278 				   u32 clock,
279 				   bool strobe_mode,
280 				   struct atom_clock_dividers *dividers);
281 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
282 					u32 clock,
283 					bool strobe_mode,
284 					struct atom_mpll_param *mpll_param);
285 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
286 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
287 					  u16 voltage_level, u8 voltage_type,
288 					  u32 *gpio_value, u32 *gpio_mask);
289 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
290 					 u32 eng_clock, u32 mem_clock);
291 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
292 				 u8 voltage_type, u16 *voltage_step);
293 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
294 			     u16 voltage_id, u16 *voltage);
295 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
296 						      u16 *voltage,
297 						      u16 leakage_idx);
298 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
299 					  u16 *leakage_id);
300 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
301 							 u16 *vddc, u16 *vddci,
302 							 u16 virtual_voltage_id,
303 							 u16 vbios_voltage_id);
304 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
305 				      u8 voltage_type,
306 				      u16 nominal_voltage,
307 				      u16 *true_voltage);
308 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
309 				u8 voltage_type, u16 *min_voltage);
310 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
311 				u8 voltage_type, u16 *max_voltage);
312 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
313 				  u8 voltage_type, u8 voltage_mode,
314 				  struct atom_voltage_table *voltage_table);
315 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
316 				 u8 voltage_type, u8 voltage_mode);
317 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
318 				   u32 mem_clock);
319 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
320 			       u32 mem_clock);
321 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
322 				  u8 module_index,
323 				  struct atom_mc_reg_table *reg_table);
324 int radeon_atom_get_memory_info(struct radeon_device *rdev,
325 				u8 module_index, struct atom_memory_info *mem_info);
326 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
327 				     bool gddr5, u8 module_index,
328 				     struct atom_memory_clock_range_table *mclk_range_table);
329 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
330 			     u16 voltage_id, u16 *voltage);
331 void rs690_pm_info(struct radeon_device *rdev);
332 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
333 				    unsigned *bankh, unsigned *mtaspect,
334 				    unsigned *tile_split);
335 
336 /*
337  * Fences.
338  */
339 struct radeon_fence_driver {
340 	uint32_t			scratch_reg;
341 	uint64_t			gpu_addr;
342 	volatile uint32_t		*cpu_addr;
343 	/* sync_seq is protected by ring emission lock */
344 	uint64_t			sync_seq[RADEON_NUM_RINGS];
345 	atomic64_t			last_seq;
346 	bool				initialized;
347 };
348 
349 struct radeon_fence {
350 	struct radeon_device		*rdev;
351 	struct kref			kref;
352 	/* protected by radeon_fence.lock */
353 	uint64_t			seq;
354 	/* RB, DMA, etc. */
355 	unsigned			ring;
356 };
357 
358 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
359 int radeon_fence_driver_init(struct radeon_device *rdev);
360 void radeon_fence_driver_fini(struct radeon_device *rdev);
361 void radeon_fence_driver_force_completion(struct radeon_device *rdev);
362 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
363 void radeon_fence_process(struct radeon_device *rdev, int ring);
364 bool radeon_fence_signaled(struct radeon_fence *fence);
365 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
366 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
367 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
368 int radeon_fence_wait_any(struct radeon_device *rdev,
369 			  struct radeon_fence **fences,
370 			  bool intr);
371 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
372 void radeon_fence_unref(struct radeon_fence **fence);
373 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
374 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
375 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
376 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
377 						      struct radeon_fence *b)
378 {
379 	if (!a) {
380 		return b;
381 	}
382 
383 	if (!b) {
384 		return a;
385 	}
386 
387 	BUG_ON(a->ring != b->ring);
388 
389 	if (a->seq > b->seq) {
390 		return a;
391 	} else {
392 		return b;
393 	}
394 }
395 
396 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
397 					   struct radeon_fence *b)
398 {
399 	if (!a) {
400 		return false;
401 	}
402 
403 	if (!b) {
404 		return true;
405 	}
406 
407 	BUG_ON(a->ring != b->ring);
408 
409 	return a->seq < b->seq;
410 }
411 
412 /*
413  * Tiling registers
414  */
415 struct radeon_surface_reg {
416 	struct radeon_bo *bo;
417 };
418 
419 #define RADEON_GEM_MAX_SURFACES 8
420 
421 /*
422  * TTM.
423  */
424 struct radeon_mman {
425 	struct ttm_bo_global_ref        bo_global_ref;
426 	struct drm_global_reference	mem_global_ref;
427 	struct ttm_bo_device		bdev;
428 	bool				mem_global_referenced;
429 	bool				initialized;
430 
431 #if defined(CONFIG_DEBUG_FS)
432 	struct dentry			*vram;
433 	struct dentry			*gtt;
434 #endif
435 };
436 
437 /* bo virtual address in a specific vm */
438 struct radeon_bo_va {
439 	/* protected by bo being reserved */
440 	struct list_head		bo_list;
441 	uint64_t			soffset;
442 	uint64_t			eoffset;
443 	uint32_t			flags;
444 	bool				valid;
445 	unsigned			ref_count;
446 
447 	/* protected by vm mutex */
448 	struct list_head		vm_list;
449 
450 	/* constant after initialization */
451 	struct radeon_vm		*vm;
452 	struct radeon_bo		*bo;
453 };
454 
455 struct radeon_bo {
456 	/* Protected by gem.mutex */
457 	struct list_head		list;
458 	/* Protected by tbo.reserved */
459 	u32				initial_domain;
460 	u32				placements[3];
461 	struct ttm_placement		placement;
462 	struct ttm_buffer_object	tbo;
463 	struct ttm_bo_kmap_obj		kmap;
464 	unsigned			pin_count;
465 	void				*kptr;
466 	u32				tiling_flags;
467 	u32				pitch;
468 	int				surface_reg;
469 	/* list of all virtual address to which this bo
470 	 * is associated to
471 	 */
472 	struct list_head		va;
473 	/* Constant after initialization */
474 	struct radeon_device		*rdev;
475 	struct drm_gem_object		gem_base;
476 
477 	struct ttm_bo_kmap_obj		dma_buf_vmap;
478 	pid_t				pid;
479 };
480 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
481 
482 int radeon_gem_debugfs_init(struct radeon_device *rdev);
483 
484 /* sub-allocation manager, it has to be protected by another lock.
485  * By conception this is an helper for other part of the driver
486  * like the indirect buffer or semaphore, which both have their
487  * locking.
488  *
489  * Principe is simple, we keep a list of sub allocation in offset
490  * order (first entry has offset == 0, last entry has the highest
491  * offset).
492  *
493  * When allocating new object we first check if there is room at
494  * the end total_size - (last_object_offset + last_object_size) >=
495  * alloc_size. If so we allocate new object there.
496  *
497  * When there is not enough room at the end, we start waiting for
498  * each sub object until we reach object_offset+object_size >=
499  * alloc_size, this object then become the sub object we return.
500  *
501  * Alignment can't be bigger than page size.
502  *
503  * Hole are not considered for allocation to keep things simple.
504  * Assumption is that there won't be hole (all object on same
505  * alignment).
506  */
507 struct radeon_sa_manager {
508 	wait_queue_head_t	wq;
509 	struct radeon_bo	*bo;
510 	struct list_head	*hole;
511 	struct list_head	flist[RADEON_NUM_RINGS];
512 	struct list_head	olist;
513 	unsigned		size;
514 	uint64_t		gpu_addr;
515 	void			*cpu_ptr;
516 	uint32_t		domain;
517 	uint32_t		align;
518 };
519 
520 struct radeon_sa_bo;
521 
522 /* sub-allocation buffer */
523 struct radeon_sa_bo {
524 	struct list_head		olist;
525 	struct list_head		flist;
526 	struct radeon_sa_manager	*manager;
527 	unsigned			soffset;
528 	unsigned			eoffset;
529 	struct radeon_fence		*fence;
530 };
531 
532 /*
533  * GEM objects.
534  */
535 struct radeon_gem {
536 	struct mutex		mutex;
537 	struct list_head	objects;
538 };
539 
540 int radeon_gem_init(struct radeon_device *rdev);
541 void radeon_gem_fini(struct radeon_device *rdev);
542 int radeon_gem_object_create(struct radeon_device *rdev, int size,
543 				int alignment, int initial_domain,
544 				bool discardable, bool kernel,
545 				struct drm_gem_object **obj);
546 
547 int radeon_mode_dumb_create(struct drm_file *file_priv,
548 			    struct drm_device *dev,
549 			    struct drm_mode_create_dumb *args);
550 int radeon_mode_dumb_mmap(struct drm_file *filp,
551 			  struct drm_device *dev,
552 			  uint32_t handle, uint64_t *offset_p);
553 
554 /*
555  * Semaphores.
556  */
557 struct radeon_semaphore {
558 	struct radeon_sa_bo		*sa_bo;
559 	signed				waiters;
560 	uint64_t			gpu_addr;
561 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
562 };
563 
564 int radeon_semaphore_create(struct radeon_device *rdev,
565 			    struct radeon_semaphore **semaphore);
566 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
567 				  struct radeon_semaphore *semaphore);
568 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
569 				struct radeon_semaphore *semaphore);
570 void radeon_semaphore_sync_to(struct radeon_semaphore *semaphore,
571 			      struct radeon_fence *fence);
572 int radeon_semaphore_sync_rings(struct radeon_device *rdev,
573 				struct radeon_semaphore *semaphore,
574 				int waiting_ring);
575 void radeon_semaphore_free(struct radeon_device *rdev,
576 			   struct radeon_semaphore **semaphore,
577 			   struct radeon_fence *fence);
578 
579 /*
580  * GART structures, functions & helpers
581  */
582 struct radeon_mc;
583 
584 #define RADEON_GPU_PAGE_SIZE 4096
585 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
586 #define RADEON_GPU_PAGE_SHIFT 12
587 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
588 
589 struct radeon_gart {
590 	dma_addr_t			table_addr;
591 	struct radeon_bo		*robj;
592 	void				*ptr;
593 	unsigned			num_gpu_pages;
594 	unsigned			num_cpu_pages;
595 	unsigned			table_size;
596 	struct page			**pages;
597 	dma_addr_t			*pages_addr;
598 	bool				ready;
599 };
600 
601 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
602 void radeon_gart_table_ram_free(struct radeon_device *rdev);
603 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
604 void radeon_gart_table_vram_free(struct radeon_device *rdev);
605 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
606 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
607 int radeon_gart_init(struct radeon_device *rdev);
608 void radeon_gart_fini(struct radeon_device *rdev);
609 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
610 			int pages);
611 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
612 		     int pages, struct page **pagelist,
613 		     dma_addr_t *dma_addr);
614 void radeon_gart_restore(struct radeon_device *rdev);
615 
616 
617 /*
618  * GPU MC structures, functions & helpers
619  */
620 struct radeon_mc {
621 	resource_size_t		aper_size;
622 	resource_size_t		aper_base;
623 	resource_size_t		agp_base;
624 	/* for some chips with <= 32MB we need to lie
625 	 * about vram size near mc fb location */
626 	u64			mc_vram_size;
627 	u64			visible_vram_size;
628 	u64			gtt_size;
629 	u64			gtt_start;
630 	u64			gtt_end;
631 	u64			vram_start;
632 	u64			vram_end;
633 	unsigned		vram_width;
634 	u64			real_vram_size;
635 	int			vram_mtrr;
636 	bool			vram_is_ddr;
637 	bool			igp_sideport_enabled;
638 	u64                     gtt_base_align;
639 	u64                     mc_mask;
640 };
641 
642 bool radeon_combios_sideport_present(struct radeon_device *rdev);
643 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
644 
645 /*
646  * GPU scratch registers structures, functions & helpers
647  */
648 struct radeon_scratch {
649 	unsigned		num_reg;
650 	uint32_t                reg_base;
651 	bool			free[32];
652 	uint32_t		reg[32];
653 };
654 
655 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
656 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
657 
658 /*
659  * GPU doorbell structures, functions & helpers
660  */
661 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
662 
663 struct radeon_doorbell {
664 	/* doorbell mmio */
665 	resource_size_t		base;
666 	resource_size_t		size;
667 	u32 __iomem		*ptr;
668 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
669 	unsigned long		used[DIV_ROUND_UP(RADEON_MAX_DOORBELLS, BITS_PER_LONG)];
670 };
671 
672 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
673 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
674 
675 /*
676  * IRQS.
677  */
678 
679 struct radeon_unpin_work {
680 	struct work_struct work;
681 	struct radeon_device *rdev;
682 	int crtc_id;
683 	struct radeon_fence *fence;
684 	struct drm_pending_vblank_event *event;
685 	struct radeon_bo *old_rbo;
686 	u64 new_crtc_base;
687 };
688 
689 struct r500_irq_stat_regs {
690 	u32 disp_int;
691 	u32 hdmi0_status;
692 };
693 
694 struct r600_irq_stat_regs {
695 	u32 disp_int;
696 	u32 disp_int_cont;
697 	u32 disp_int_cont2;
698 	u32 d1grph_int;
699 	u32 d2grph_int;
700 	u32 hdmi0_status;
701 	u32 hdmi1_status;
702 };
703 
704 struct evergreen_irq_stat_regs {
705 	u32 disp_int;
706 	u32 disp_int_cont;
707 	u32 disp_int_cont2;
708 	u32 disp_int_cont3;
709 	u32 disp_int_cont4;
710 	u32 disp_int_cont5;
711 	u32 d1grph_int;
712 	u32 d2grph_int;
713 	u32 d3grph_int;
714 	u32 d4grph_int;
715 	u32 d5grph_int;
716 	u32 d6grph_int;
717 	u32 afmt_status1;
718 	u32 afmt_status2;
719 	u32 afmt_status3;
720 	u32 afmt_status4;
721 	u32 afmt_status5;
722 	u32 afmt_status6;
723 };
724 
725 struct cik_irq_stat_regs {
726 	u32 disp_int;
727 	u32 disp_int_cont;
728 	u32 disp_int_cont2;
729 	u32 disp_int_cont3;
730 	u32 disp_int_cont4;
731 	u32 disp_int_cont5;
732 	u32 disp_int_cont6;
733 };
734 
735 union radeon_irq_stat_regs {
736 	struct r500_irq_stat_regs r500;
737 	struct r600_irq_stat_regs r600;
738 	struct evergreen_irq_stat_regs evergreen;
739 	struct cik_irq_stat_regs cik;
740 };
741 
742 #define RADEON_MAX_HPD_PINS 6
743 #define RADEON_MAX_CRTCS 6
744 #define RADEON_MAX_AFMT_BLOCKS 7
745 
746 struct radeon_irq {
747 	bool				installed;
748 	spinlock_t			lock;
749 	atomic_t			ring_int[RADEON_NUM_RINGS];
750 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
751 	atomic_t			pflip[RADEON_MAX_CRTCS];
752 	wait_queue_head_t		vblank_queue;
753 	bool				hpd[RADEON_MAX_HPD_PINS];
754 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
755 	union radeon_irq_stat_regs	stat_regs;
756 	bool				dpm_thermal;
757 };
758 
759 int radeon_irq_kms_init(struct radeon_device *rdev);
760 void radeon_irq_kms_fini(struct radeon_device *rdev);
761 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
762 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
763 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
764 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
765 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
766 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
767 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
768 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
769 
770 /*
771  * CP & rings.
772  */
773 
774 struct radeon_ib {
775 	struct radeon_sa_bo		*sa_bo;
776 	uint32_t			length_dw;
777 	uint64_t			gpu_addr;
778 	uint32_t			*ptr;
779 	int				ring;
780 	struct radeon_fence		*fence;
781 	struct radeon_vm		*vm;
782 	bool				is_const_ib;
783 	struct radeon_semaphore		*semaphore;
784 };
785 
786 struct radeon_ring {
787 	struct radeon_bo	*ring_obj;
788 	volatile uint32_t	*ring;
789 	unsigned		rptr_offs;
790 	unsigned		rptr_save_reg;
791 	u64			next_rptr_gpu_addr;
792 	volatile u32		*next_rptr_cpu_addr;
793 	unsigned		wptr;
794 	unsigned		wptr_old;
795 	unsigned		ring_size;
796 	unsigned		ring_free_dw;
797 	int			count_dw;
798 	atomic_t		last_rptr;
799 	atomic64_t		last_activity;
800 	uint64_t		gpu_addr;
801 	uint32_t		align_mask;
802 	uint32_t		ptr_mask;
803 	bool			ready;
804 	u32			nop;
805 	u32			idx;
806 	u64			last_semaphore_signal_addr;
807 	u64			last_semaphore_wait_addr;
808 	/* for CIK queues */
809 	u32 me;
810 	u32 pipe;
811 	u32 queue;
812 	struct radeon_bo	*mqd_obj;
813 	u32 doorbell_index;
814 	unsigned		wptr_offs;
815 };
816 
817 struct radeon_mec {
818 	struct radeon_bo	*hpd_eop_obj;
819 	u64			hpd_eop_gpu_addr;
820 	u32 num_pipe;
821 	u32 num_mec;
822 	u32 num_queue;
823 };
824 
825 /*
826  * VM
827  */
828 
829 /* maximum number of VMIDs */
830 #define RADEON_NUM_VM	16
831 
832 /* defines number of bits in page table versus page directory,
833  * a page is 4KB so we have 12 bits offset, 9 bits in the page
834  * table and the remaining 19 bits are in the page directory */
835 #define RADEON_VM_BLOCK_SIZE   9
836 
837 /* number of entries in page table */
838 #define RADEON_VM_PTE_COUNT (1 << RADEON_VM_BLOCK_SIZE)
839 
840 /* PTBs (Page Table Blocks) need to be aligned to 32K */
841 #define RADEON_VM_PTB_ALIGN_SIZE   32768
842 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
843 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
844 
845 #define R600_PTE_VALID		(1 << 0)
846 #define R600_PTE_SYSTEM		(1 << 1)
847 #define R600_PTE_SNOOPED	(1 << 2)
848 #define R600_PTE_READABLE	(1 << 5)
849 #define R600_PTE_WRITEABLE	(1 << 6)
850 
851 struct radeon_vm_pt {
852 	struct radeon_bo		*bo;
853 	uint64_t			addr;
854 };
855 
856 struct radeon_vm {
857 	struct list_head		va;
858 	unsigned			id;
859 
860 	/* contains the page directory */
861 	struct radeon_bo		*page_directory;
862 	uint64_t			pd_gpu_addr;
863 	unsigned			max_pde_used;
864 
865 	/* array of page tables, one for each page directory entry */
866 	struct radeon_vm_pt		*page_tables;
867 
868 	struct mutex			mutex;
869 	/* last fence for cs using this vm */
870 	struct radeon_fence		*fence;
871 	/* last flush or NULL if we still need to flush */
872 	struct radeon_fence		*last_flush;
873 	/* last use of vmid */
874 	struct radeon_fence		*last_id_use;
875 };
876 
877 struct radeon_vm_manager {
878 	struct radeon_fence		*active[RADEON_NUM_VM];
879 	uint32_t			max_pfn;
880 	/* number of VMIDs */
881 	unsigned			nvm;
882 	/* vram base address for page table entry  */
883 	u64				vram_base_offset;
884 	/* is vm enabled? */
885 	bool				enabled;
886 };
887 
888 /*
889  * file private structure
890  */
891 struct radeon_fpriv {
892 	struct radeon_vm		vm;
893 };
894 
895 /*
896  * R6xx+ IH ring
897  */
898 struct r600_ih {
899 	struct radeon_bo	*ring_obj;
900 	volatile uint32_t	*ring;
901 	unsigned		rptr;
902 	unsigned		ring_size;
903 	uint64_t		gpu_addr;
904 	uint32_t		ptr_mask;
905 	atomic_t		lock;
906 	bool                    enabled;
907 };
908 
909 /*
910  * RLC stuff
911  */
912 #include "clearstate_defs.h"
913 
914 struct radeon_rlc {
915 	/* for power gating */
916 	struct radeon_bo	*save_restore_obj;
917 	uint64_t		save_restore_gpu_addr;
918 	volatile uint32_t	*sr_ptr;
919 	const u32               *reg_list;
920 	u32                     reg_list_size;
921 	/* for clear state */
922 	struct radeon_bo	*clear_state_obj;
923 	uint64_t		clear_state_gpu_addr;
924 	volatile uint32_t	*cs_ptr;
925 	const struct cs_section_def   *cs_data;
926 	u32                     clear_state_size;
927 	/* for cp tables */
928 	struct radeon_bo	*cp_table_obj;
929 	uint64_t		cp_table_gpu_addr;
930 	volatile uint32_t	*cp_table_ptr;
931 	u32                     cp_table_size;
932 };
933 
934 int radeon_ib_get(struct radeon_device *rdev, int ring,
935 		  struct radeon_ib *ib, struct radeon_vm *vm,
936 		  unsigned size);
937 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
938 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
939 		       struct radeon_ib *const_ib);
940 int radeon_ib_pool_init(struct radeon_device *rdev);
941 void radeon_ib_pool_fini(struct radeon_device *rdev);
942 int radeon_ib_ring_tests(struct radeon_device *rdev);
943 /* Ring access between begin & end cannot sleep */
944 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
945 				      struct radeon_ring *ring);
946 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
947 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
948 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
949 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp);
950 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp);
951 void radeon_ring_undo(struct radeon_ring *ring);
952 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
953 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
954 void radeon_ring_lockup_update(struct radeon_device *rdev,
955 			       struct radeon_ring *ring);
956 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
957 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
958 			    uint32_t **data);
959 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
960 			unsigned size, uint32_t *data);
961 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
962 		     unsigned rptr_offs, u32 nop);
963 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
964 
965 
966 /* r600 async dma */
967 void r600_dma_stop(struct radeon_device *rdev);
968 int r600_dma_resume(struct radeon_device *rdev);
969 void r600_dma_fini(struct radeon_device *rdev);
970 
971 void cayman_dma_stop(struct radeon_device *rdev);
972 int cayman_dma_resume(struct radeon_device *rdev);
973 void cayman_dma_fini(struct radeon_device *rdev);
974 
975 /*
976  * CS.
977  */
978 struct radeon_cs_reloc {
979 	struct drm_gem_object		*gobj;
980 	struct radeon_bo		*robj;
981 	struct ttm_validate_buffer	tv;
982 	uint64_t			gpu_offset;
983 	unsigned			domain;
984 	unsigned			alt_domain;
985 	uint32_t			tiling_flags;
986 	uint32_t			handle;
987 };
988 
989 struct radeon_cs_chunk {
990 	uint32_t		chunk_id;
991 	uint32_t		length_dw;
992 	uint32_t		*kdata;
993 	void __user		*user_ptr;
994 };
995 
996 struct radeon_cs_parser {
997 	struct device		*dev;
998 	struct radeon_device	*rdev;
999 	struct drm_file		*filp;
1000 	/* chunks */
1001 	unsigned		nchunks;
1002 	struct radeon_cs_chunk	*chunks;
1003 	uint64_t		*chunks_array;
1004 	/* IB */
1005 	unsigned		idx;
1006 	/* relocations */
1007 	unsigned		nrelocs;
1008 	struct radeon_cs_reloc	*relocs;
1009 	struct radeon_cs_reloc	**relocs_ptr;
1010 	struct radeon_cs_reloc	*vm_bos;
1011 	struct list_head	validated;
1012 	unsigned		dma_reloc_idx;
1013 	/* indices of various chunks */
1014 	int			chunk_ib_idx;
1015 	int			chunk_relocs_idx;
1016 	int			chunk_flags_idx;
1017 	int			chunk_const_ib_idx;
1018 	struct radeon_ib	ib;
1019 	struct radeon_ib	const_ib;
1020 	void			*track;
1021 	unsigned		family;
1022 	int			parser_error;
1023 	u32			cs_flags;
1024 	u32			ring;
1025 	s32			priority;
1026 	struct ww_acquire_ctx	ticket;
1027 };
1028 
1029 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1030 {
1031 	struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
1032 
1033 	if (ibc->kdata)
1034 		return ibc->kdata[idx];
1035 	return p->ib.ptr[idx];
1036 }
1037 
1038 
1039 struct radeon_cs_packet {
1040 	unsigned	idx;
1041 	unsigned	type;
1042 	unsigned	reg;
1043 	unsigned	opcode;
1044 	int		count;
1045 	unsigned	one_reg_wr;
1046 };
1047 
1048 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1049 				      struct radeon_cs_packet *pkt,
1050 				      unsigned idx, unsigned reg);
1051 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
1052 				      struct radeon_cs_packet *pkt);
1053 
1054 
1055 /*
1056  * AGP
1057  */
1058 int radeon_agp_init(struct radeon_device *rdev);
1059 void radeon_agp_resume(struct radeon_device *rdev);
1060 void radeon_agp_suspend(struct radeon_device *rdev);
1061 void radeon_agp_fini(struct radeon_device *rdev);
1062 
1063 
1064 /*
1065  * Writeback
1066  */
1067 struct radeon_wb {
1068 	struct radeon_bo	*wb_obj;
1069 	volatile uint32_t	*wb;
1070 	uint64_t		gpu_addr;
1071 	bool                    enabled;
1072 	bool                    use_event;
1073 };
1074 
1075 #define RADEON_WB_SCRATCH_OFFSET 0
1076 #define RADEON_WB_RING0_NEXT_RPTR 256
1077 #define RADEON_WB_CP_RPTR_OFFSET 1024
1078 #define RADEON_WB_CP1_RPTR_OFFSET 1280
1079 #define RADEON_WB_CP2_RPTR_OFFSET 1536
1080 #define R600_WB_DMA_RPTR_OFFSET   1792
1081 #define R600_WB_IH_WPTR_OFFSET   2048
1082 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1083 #define R600_WB_EVENT_OFFSET     3072
1084 #define CIK_WB_CP1_WPTR_OFFSET     3328
1085 #define CIK_WB_CP2_WPTR_OFFSET     3584
1086 
1087 /**
1088  * struct radeon_pm - power management datas
1089  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1090  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1091  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1092  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1093  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1094  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1095  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1096  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1097  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1098  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1099  * @needed_bandwidth:   current bandwidth needs
1100  *
1101  * It keeps track of various data needed to take powermanagement decision.
1102  * Bandwidth need is used to determine minimun clock of the GPU and memory.
1103  * Equation between gpu/memory clock and available bandwidth is hw dependent
1104  * (type of memory, bus size, efficiency, ...)
1105  */
1106 
1107 enum radeon_pm_method {
1108 	PM_METHOD_PROFILE,
1109 	PM_METHOD_DYNPM,
1110 	PM_METHOD_DPM,
1111 };
1112 
1113 enum radeon_dynpm_state {
1114 	DYNPM_STATE_DISABLED,
1115 	DYNPM_STATE_MINIMUM,
1116 	DYNPM_STATE_PAUSED,
1117 	DYNPM_STATE_ACTIVE,
1118 	DYNPM_STATE_SUSPENDED,
1119 };
1120 enum radeon_dynpm_action {
1121 	DYNPM_ACTION_NONE,
1122 	DYNPM_ACTION_MINIMUM,
1123 	DYNPM_ACTION_DOWNCLOCK,
1124 	DYNPM_ACTION_UPCLOCK,
1125 	DYNPM_ACTION_DEFAULT
1126 };
1127 
1128 enum radeon_voltage_type {
1129 	VOLTAGE_NONE = 0,
1130 	VOLTAGE_GPIO,
1131 	VOLTAGE_VDDC,
1132 	VOLTAGE_SW
1133 };
1134 
1135 enum radeon_pm_state_type {
1136 	/* not used for dpm */
1137 	POWER_STATE_TYPE_DEFAULT,
1138 	POWER_STATE_TYPE_POWERSAVE,
1139 	/* user selectable states */
1140 	POWER_STATE_TYPE_BATTERY,
1141 	POWER_STATE_TYPE_BALANCED,
1142 	POWER_STATE_TYPE_PERFORMANCE,
1143 	/* internal states */
1144 	POWER_STATE_TYPE_INTERNAL_UVD,
1145 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1146 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1147 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1148 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1149 	POWER_STATE_TYPE_INTERNAL_BOOT,
1150 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1151 	POWER_STATE_TYPE_INTERNAL_ACPI,
1152 	POWER_STATE_TYPE_INTERNAL_ULV,
1153 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1154 };
1155 
1156 enum radeon_pm_profile_type {
1157 	PM_PROFILE_DEFAULT,
1158 	PM_PROFILE_AUTO,
1159 	PM_PROFILE_LOW,
1160 	PM_PROFILE_MID,
1161 	PM_PROFILE_HIGH,
1162 };
1163 
1164 #define PM_PROFILE_DEFAULT_IDX 0
1165 #define PM_PROFILE_LOW_SH_IDX  1
1166 #define PM_PROFILE_MID_SH_IDX  2
1167 #define PM_PROFILE_HIGH_SH_IDX 3
1168 #define PM_PROFILE_LOW_MH_IDX  4
1169 #define PM_PROFILE_MID_MH_IDX  5
1170 #define PM_PROFILE_HIGH_MH_IDX 6
1171 #define PM_PROFILE_MAX         7
1172 
1173 struct radeon_pm_profile {
1174 	int dpms_off_ps_idx;
1175 	int dpms_on_ps_idx;
1176 	int dpms_off_cm_idx;
1177 	int dpms_on_cm_idx;
1178 };
1179 
1180 enum radeon_int_thermal_type {
1181 	THERMAL_TYPE_NONE,
1182 	THERMAL_TYPE_EXTERNAL,
1183 	THERMAL_TYPE_EXTERNAL_GPIO,
1184 	THERMAL_TYPE_RV6XX,
1185 	THERMAL_TYPE_RV770,
1186 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1187 	THERMAL_TYPE_EVERGREEN,
1188 	THERMAL_TYPE_SUMO,
1189 	THERMAL_TYPE_NI,
1190 	THERMAL_TYPE_SI,
1191 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1192 	THERMAL_TYPE_CI,
1193 	THERMAL_TYPE_KV,
1194 };
1195 
1196 struct radeon_voltage {
1197 	enum radeon_voltage_type type;
1198 	/* gpio voltage */
1199 	struct radeon_gpio_rec gpio;
1200 	u32 delay; /* delay in usec from voltage drop to sclk change */
1201 	bool active_high; /* voltage drop is active when bit is high */
1202 	/* VDDC voltage */
1203 	u8 vddc_id; /* index into vddc voltage table */
1204 	u8 vddci_id; /* index into vddci voltage table */
1205 	bool vddci_enabled;
1206 	/* r6xx+ sw */
1207 	u16 voltage;
1208 	/* evergreen+ vddci */
1209 	u16 vddci;
1210 };
1211 
1212 /* clock mode flags */
1213 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1214 
1215 struct radeon_pm_clock_info {
1216 	/* memory clock */
1217 	u32 mclk;
1218 	/* engine clock */
1219 	u32 sclk;
1220 	/* voltage info */
1221 	struct radeon_voltage voltage;
1222 	/* standardized clock flags */
1223 	u32 flags;
1224 };
1225 
1226 /* state flags */
1227 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1228 
1229 struct radeon_power_state {
1230 	enum radeon_pm_state_type type;
1231 	struct radeon_pm_clock_info *clock_info;
1232 	/* number of valid clock modes in this power state */
1233 	int num_clock_modes;
1234 	struct radeon_pm_clock_info *default_clock_mode;
1235 	/* standardized state flags */
1236 	u32 flags;
1237 	u32 misc; /* vbios specific flags */
1238 	u32 misc2; /* vbios specific flags */
1239 	int pcie_lanes; /* pcie lanes */
1240 };
1241 
1242 /*
1243  * Some modes are overclocked by very low value, accept them
1244  */
1245 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1246 
1247 enum radeon_dpm_auto_throttle_src {
1248 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1249 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1250 };
1251 
1252 enum radeon_dpm_event_src {
1253 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1254 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1255 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1256 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1257 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1258 };
1259 
1260 #define RADEON_MAX_VCE_LEVELS 6
1261 
1262 enum radeon_vce_level {
1263 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1264 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1265 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1266 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1267 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1268 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1269 };
1270 
1271 struct radeon_ps {
1272 	u32 caps; /* vbios flags */
1273 	u32 class; /* vbios flags */
1274 	u32 class2; /* vbios flags */
1275 	/* UVD clocks */
1276 	u32 vclk;
1277 	u32 dclk;
1278 	/* VCE clocks */
1279 	u32 evclk;
1280 	u32 ecclk;
1281 	bool vce_active;
1282 	enum radeon_vce_level vce_level;
1283 	/* asic priv */
1284 	void *ps_priv;
1285 };
1286 
1287 struct radeon_dpm_thermal {
1288 	/* thermal interrupt work */
1289 	struct work_struct work;
1290 	/* low temperature threshold */
1291 	int                min_temp;
1292 	/* high temperature threshold */
1293 	int                max_temp;
1294 	/* was interrupt low to high or high to low */
1295 	bool               high_to_low;
1296 };
1297 
1298 enum radeon_clk_action
1299 {
1300 	RADEON_SCLK_UP = 1,
1301 	RADEON_SCLK_DOWN
1302 };
1303 
1304 struct radeon_blacklist_clocks
1305 {
1306 	u32 sclk;
1307 	u32 mclk;
1308 	enum radeon_clk_action action;
1309 };
1310 
1311 struct radeon_clock_and_voltage_limits {
1312 	u32 sclk;
1313 	u32 mclk;
1314 	u16 vddc;
1315 	u16 vddci;
1316 };
1317 
1318 struct radeon_clock_array {
1319 	u32 count;
1320 	u32 *values;
1321 };
1322 
1323 struct radeon_clock_voltage_dependency_entry {
1324 	u32 clk;
1325 	u16 v;
1326 };
1327 
1328 struct radeon_clock_voltage_dependency_table {
1329 	u32 count;
1330 	struct radeon_clock_voltage_dependency_entry *entries;
1331 };
1332 
1333 union radeon_cac_leakage_entry {
1334 	struct {
1335 		u16 vddc;
1336 		u32 leakage;
1337 	};
1338 	struct {
1339 		u16 vddc1;
1340 		u16 vddc2;
1341 		u16 vddc3;
1342 	};
1343 };
1344 
1345 struct radeon_cac_leakage_table {
1346 	u32 count;
1347 	union radeon_cac_leakage_entry *entries;
1348 };
1349 
1350 struct radeon_phase_shedding_limits_entry {
1351 	u16 voltage;
1352 	u32 sclk;
1353 	u32 mclk;
1354 };
1355 
1356 struct radeon_phase_shedding_limits_table {
1357 	u32 count;
1358 	struct radeon_phase_shedding_limits_entry *entries;
1359 };
1360 
1361 struct radeon_uvd_clock_voltage_dependency_entry {
1362 	u32 vclk;
1363 	u32 dclk;
1364 	u16 v;
1365 };
1366 
1367 struct radeon_uvd_clock_voltage_dependency_table {
1368 	u8 count;
1369 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1370 };
1371 
1372 struct radeon_vce_clock_voltage_dependency_entry {
1373 	u32 ecclk;
1374 	u32 evclk;
1375 	u16 v;
1376 };
1377 
1378 struct radeon_vce_clock_voltage_dependency_table {
1379 	u8 count;
1380 	struct radeon_vce_clock_voltage_dependency_entry *entries;
1381 };
1382 
1383 struct radeon_ppm_table {
1384 	u8 ppm_design;
1385 	u16 cpu_core_number;
1386 	u32 platform_tdp;
1387 	u32 small_ac_platform_tdp;
1388 	u32 platform_tdc;
1389 	u32 small_ac_platform_tdc;
1390 	u32 apu_tdp;
1391 	u32 dgpu_tdp;
1392 	u32 dgpu_ulv_power;
1393 	u32 tj_max;
1394 };
1395 
1396 struct radeon_cac_tdp_table {
1397 	u16 tdp;
1398 	u16 configurable_tdp;
1399 	u16 tdc;
1400 	u16 battery_power_limit;
1401 	u16 small_power_limit;
1402 	u16 low_cac_leakage;
1403 	u16 high_cac_leakage;
1404 	u16 maximum_power_delivery_limit;
1405 };
1406 
1407 struct radeon_dpm_dynamic_state {
1408 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1409 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1410 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1411 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1412 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1413 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1414 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1415 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1416 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1417 	struct radeon_clock_array valid_sclk_values;
1418 	struct radeon_clock_array valid_mclk_values;
1419 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1420 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1421 	u32 mclk_sclk_ratio;
1422 	u32 sclk_mclk_delta;
1423 	u16 vddc_vddci_delta;
1424 	u16 min_vddc_for_pcie_gen2;
1425 	struct radeon_cac_leakage_table cac_leakage_table;
1426 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1427 	struct radeon_ppm_table *ppm_table;
1428 	struct radeon_cac_tdp_table *cac_tdp_table;
1429 };
1430 
1431 struct radeon_dpm_fan {
1432 	u16 t_min;
1433 	u16 t_med;
1434 	u16 t_high;
1435 	u16 pwm_min;
1436 	u16 pwm_med;
1437 	u16 pwm_high;
1438 	u8 t_hyst;
1439 	u32 cycle_delay;
1440 	u16 t_max;
1441 	bool ucode_fan_control;
1442 };
1443 
1444 enum radeon_pcie_gen {
1445 	RADEON_PCIE_GEN1 = 0,
1446 	RADEON_PCIE_GEN2 = 1,
1447 	RADEON_PCIE_GEN3 = 2,
1448 	RADEON_PCIE_GEN_INVALID = 0xffff
1449 };
1450 
1451 enum radeon_dpm_forced_level {
1452 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1453 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1454 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1455 };
1456 
1457 struct radeon_vce_state {
1458 	/* vce clocks */
1459 	u32 evclk;
1460 	u32 ecclk;
1461 	/* gpu clocks */
1462 	u32 sclk;
1463 	u32 mclk;
1464 	u8 clk_idx;
1465 	u8 pstate;
1466 };
1467 
1468 struct radeon_dpm {
1469 	struct radeon_ps        *ps;
1470 	/* number of valid power states */
1471 	int                     num_ps;
1472 	/* current power state that is active */
1473 	struct radeon_ps        *current_ps;
1474 	/* requested power state */
1475 	struct radeon_ps        *requested_ps;
1476 	/* boot up power state */
1477 	struct radeon_ps        *boot_ps;
1478 	/* default uvd power state */
1479 	struct radeon_ps        *uvd_ps;
1480 	/* vce requirements */
1481 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1482 	enum radeon_vce_level vce_level;
1483 	enum radeon_pm_state_type state;
1484 	enum radeon_pm_state_type user_state;
1485 	u32                     platform_caps;
1486 	u32                     voltage_response_time;
1487 	u32                     backbias_response_time;
1488 	void                    *priv;
1489 	u32			new_active_crtcs;
1490 	int			new_active_crtc_count;
1491 	u32			current_active_crtcs;
1492 	int			current_active_crtc_count;
1493 	struct radeon_dpm_dynamic_state dyn_state;
1494 	struct radeon_dpm_fan fan;
1495 	u32 tdp_limit;
1496 	u32 near_tdp_limit;
1497 	u32 near_tdp_limit_adjusted;
1498 	u32 sq_ramping_threshold;
1499 	u32 cac_leakage;
1500 	u16 tdp_od_limit;
1501 	u32 tdp_adjustment;
1502 	u16 load_line_slope;
1503 	bool power_control;
1504 	bool ac_power;
1505 	/* special states active */
1506 	bool                    thermal_active;
1507 	bool                    uvd_active;
1508 	bool                    vce_active;
1509 	/* thermal handling */
1510 	struct radeon_dpm_thermal thermal;
1511 	/* forced levels */
1512 	enum radeon_dpm_forced_level forced_level;
1513 	/* track UVD streams */
1514 	unsigned sd;
1515 	unsigned hd;
1516 };
1517 
1518 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1519 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1520 
1521 struct radeon_pm {
1522 	struct mutex		mutex;
1523 	/* write locked while reprogramming mclk */
1524 	struct rw_semaphore	mclk_lock;
1525 	u32			active_crtcs;
1526 	int			active_crtc_count;
1527 	int			req_vblank;
1528 	bool			vblank_sync;
1529 	fixed20_12		max_bandwidth;
1530 	fixed20_12		igp_sideport_mclk;
1531 	fixed20_12		igp_system_mclk;
1532 	fixed20_12		igp_ht_link_clk;
1533 	fixed20_12		igp_ht_link_width;
1534 	fixed20_12		k8_bandwidth;
1535 	fixed20_12		sideport_bandwidth;
1536 	fixed20_12		ht_bandwidth;
1537 	fixed20_12		core_bandwidth;
1538 	fixed20_12		sclk;
1539 	fixed20_12		mclk;
1540 	fixed20_12		needed_bandwidth;
1541 	struct radeon_power_state *power_state;
1542 	/* number of valid power states */
1543 	int                     num_power_states;
1544 	int                     current_power_state_index;
1545 	int                     current_clock_mode_index;
1546 	int                     requested_power_state_index;
1547 	int                     requested_clock_mode_index;
1548 	int                     default_power_state_index;
1549 	u32                     current_sclk;
1550 	u32                     current_mclk;
1551 	u16                     current_vddc;
1552 	u16                     current_vddci;
1553 	u32                     default_sclk;
1554 	u32                     default_mclk;
1555 	u16                     default_vddc;
1556 	u16                     default_vddci;
1557 	struct radeon_i2c_chan *i2c_bus;
1558 	/* selected pm method */
1559 	enum radeon_pm_method     pm_method;
1560 	/* dynpm power management */
1561 	struct delayed_work	dynpm_idle_work;
1562 	enum radeon_dynpm_state	dynpm_state;
1563 	enum radeon_dynpm_action	dynpm_planned_action;
1564 	unsigned long		dynpm_action_timeout;
1565 	bool                    dynpm_can_upclock;
1566 	bool                    dynpm_can_downclock;
1567 	/* profile-based power management */
1568 	enum radeon_pm_profile_type profile;
1569 	int                     profile_index;
1570 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1571 	/* internal thermal controller on rv6xx+ */
1572 	enum radeon_int_thermal_type int_thermal_type;
1573 	struct device	        *int_hwmon_dev;
1574 	/* dpm */
1575 	bool                    dpm_enabled;
1576 	struct radeon_dpm       dpm;
1577 };
1578 
1579 int radeon_pm_get_type_index(struct radeon_device *rdev,
1580 			     enum radeon_pm_state_type ps_type,
1581 			     int instance);
1582 /*
1583  * UVD
1584  */
1585 #define RADEON_MAX_UVD_HANDLES	10
1586 #define RADEON_UVD_STACK_SIZE	(1024*1024)
1587 #define RADEON_UVD_HEAP_SIZE	(1024*1024)
1588 
1589 struct radeon_uvd {
1590 	struct radeon_bo	*vcpu_bo;
1591 	void			*cpu_addr;
1592 	uint64_t		gpu_addr;
1593 	void			*saved_bo;
1594 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1595 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1596 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1597 	struct delayed_work	idle_work;
1598 };
1599 
1600 int radeon_uvd_init(struct radeon_device *rdev);
1601 void radeon_uvd_fini(struct radeon_device *rdev);
1602 int radeon_uvd_suspend(struct radeon_device *rdev);
1603 int radeon_uvd_resume(struct radeon_device *rdev);
1604 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1605 			      uint32_t handle, struct radeon_fence **fence);
1606 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1607 			       uint32_t handle, struct radeon_fence **fence);
1608 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo);
1609 void radeon_uvd_free_handles(struct radeon_device *rdev,
1610 			     struct drm_file *filp);
1611 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1612 void radeon_uvd_note_usage(struct radeon_device *rdev);
1613 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1614 				  unsigned vclk, unsigned dclk,
1615 				  unsigned vco_min, unsigned vco_max,
1616 				  unsigned fb_factor, unsigned fb_mask,
1617 				  unsigned pd_min, unsigned pd_max,
1618 				  unsigned pd_even,
1619 				  unsigned *optimal_fb_div,
1620 				  unsigned *optimal_vclk_div,
1621 				  unsigned *optimal_dclk_div);
1622 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1623                                 unsigned cg_upll_func_cntl);
1624 
1625 /*
1626  * VCE
1627  */
1628 #define RADEON_MAX_VCE_HANDLES	16
1629 #define RADEON_VCE_STACK_SIZE	(1024*1024)
1630 #define RADEON_VCE_HEAP_SIZE	(4*1024*1024)
1631 
1632 struct radeon_vce {
1633 	struct radeon_bo	*vcpu_bo;
1634 	uint64_t		gpu_addr;
1635 	unsigned		fw_version;
1636 	unsigned		fb_version;
1637 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1638 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1639 	struct delayed_work	idle_work;
1640 };
1641 
1642 int radeon_vce_init(struct radeon_device *rdev);
1643 void radeon_vce_fini(struct radeon_device *rdev);
1644 int radeon_vce_suspend(struct radeon_device *rdev);
1645 int radeon_vce_resume(struct radeon_device *rdev);
1646 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1647 			      uint32_t handle, struct radeon_fence **fence);
1648 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1649 			       uint32_t handle, struct radeon_fence **fence);
1650 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1651 void radeon_vce_note_usage(struct radeon_device *rdev);
1652 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi);
1653 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1654 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1655 			       struct radeon_ring *ring,
1656 			       struct radeon_semaphore *semaphore,
1657 			       bool emit_wait);
1658 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1659 void radeon_vce_fence_emit(struct radeon_device *rdev,
1660 			   struct radeon_fence *fence);
1661 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1662 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1663 
1664 struct r600_audio_pin {
1665 	int			channels;
1666 	int			rate;
1667 	int			bits_per_sample;
1668 	u8			status_bits;
1669 	u8			category_code;
1670 	u32			offset;
1671 	bool			connected;
1672 	u32			id;
1673 };
1674 
1675 struct r600_audio {
1676 	bool enabled;
1677 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1678 	int num_pins;
1679 };
1680 
1681 /*
1682  * Benchmarking
1683  */
1684 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1685 
1686 
1687 /*
1688  * Testing
1689  */
1690 void radeon_test_moves(struct radeon_device *rdev);
1691 void radeon_test_ring_sync(struct radeon_device *rdev,
1692 			   struct radeon_ring *cpA,
1693 			   struct radeon_ring *cpB);
1694 void radeon_test_syncing(struct radeon_device *rdev);
1695 
1696 
1697 /*
1698  * Debugfs
1699  */
1700 struct radeon_debugfs {
1701 	struct drm_info_list	*files;
1702 	unsigned		num_files;
1703 };
1704 
1705 int radeon_debugfs_add_files(struct radeon_device *rdev,
1706 			     struct drm_info_list *files,
1707 			     unsigned nfiles);
1708 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1709 
1710 /*
1711  * ASIC ring specific functions.
1712  */
1713 struct radeon_asic_ring {
1714 	/* ring read/write ptr handling */
1715 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1716 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1717 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1718 
1719 	/* validating and patching of IBs */
1720 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1721 	int (*cs_parse)(struct radeon_cs_parser *p);
1722 
1723 	/* command emmit functions */
1724 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1725 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1726 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1727 			       struct radeon_semaphore *semaphore, bool emit_wait);
1728 	void (*vm_flush)(struct radeon_device *rdev, int ridx, struct radeon_vm *vm);
1729 
1730 	/* testing functions */
1731 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1732 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1733 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1734 
1735 	/* deprecated */
1736 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1737 };
1738 
1739 /*
1740  * ASIC specific functions.
1741  */
1742 struct radeon_asic {
1743 	int (*init)(struct radeon_device *rdev);
1744 	void (*fini)(struct radeon_device *rdev);
1745 	int (*resume)(struct radeon_device *rdev);
1746 	int (*suspend)(struct radeon_device *rdev);
1747 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1748 	int (*asic_reset)(struct radeon_device *rdev);
1749 	/* ioctl hw specific callback. Some hw might want to perform special
1750 	 * operation on specific ioctl. For instance on wait idle some hw
1751 	 * might want to perform and HDP flush through MMIO as it seems that
1752 	 * some R6XX/R7XX hw doesn't take HDP flush into account if programmed
1753 	 * through ring.
1754 	 */
1755 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
1756 	/* check if 3D engine is idle */
1757 	bool (*gui_idle)(struct radeon_device *rdev);
1758 	/* wait for mc_idle */
1759 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1760 	/* get the reference clock */
1761 	u32 (*get_xclk)(struct radeon_device *rdev);
1762 	/* get the gpu clock counter */
1763 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1764 	/* gart */
1765 	struct {
1766 		void (*tlb_flush)(struct radeon_device *rdev);
1767 		int (*set_page)(struct radeon_device *rdev, int i, uint64_t addr);
1768 	} gart;
1769 	struct {
1770 		int (*init)(struct radeon_device *rdev);
1771 		void (*fini)(struct radeon_device *rdev);
1772 		void (*set_page)(struct radeon_device *rdev,
1773 				 struct radeon_ib *ib,
1774 				 uint64_t pe,
1775 				 uint64_t addr, unsigned count,
1776 				 uint32_t incr, uint32_t flags);
1777 	} vm;
1778 	/* ring specific callbacks */
1779 	struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1780 	/* irqs */
1781 	struct {
1782 		int (*set)(struct radeon_device *rdev);
1783 		int (*process)(struct radeon_device *rdev);
1784 	} irq;
1785 	/* displays */
1786 	struct {
1787 		/* display watermarks */
1788 		void (*bandwidth_update)(struct radeon_device *rdev);
1789 		/* get frame count */
1790 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1791 		/* wait for vblank */
1792 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1793 		/* set backlight level */
1794 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1795 		/* get backlight level */
1796 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1797 		/* audio callbacks */
1798 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1799 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1800 	} display;
1801 	/* copy functions for bo handling */
1802 	struct {
1803 		int (*blit)(struct radeon_device *rdev,
1804 			    uint64_t src_offset,
1805 			    uint64_t dst_offset,
1806 			    unsigned num_gpu_pages,
1807 			    struct radeon_fence **fence);
1808 		u32 blit_ring_index;
1809 		int (*dma)(struct radeon_device *rdev,
1810 			   uint64_t src_offset,
1811 			   uint64_t dst_offset,
1812 			   unsigned num_gpu_pages,
1813 			   struct radeon_fence **fence);
1814 		u32 dma_ring_index;
1815 		/* method used for bo copy */
1816 		int (*copy)(struct radeon_device *rdev,
1817 			    uint64_t src_offset,
1818 			    uint64_t dst_offset,
1819 			    unsigned num_gpu_pages,
1820 			    struct radeon_fence **fence);
1821 		/* ring used for bo copies */
1822 		u32 copy_ring_index;
1823 	} copy;
1824 	/* surfaces */
1825 	struct {
1826 		int (*set_reg)(struct radeon_device *rdev, int reg,
1827 				       uint32_t tiling_flags, uint32_t pitch,
1828 				       uint32_t offset, uint32_t obj_size);
1829 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1830 	} surface;
1831 	/* hotplug detect */
1832 	struct {
1833 		void (*init)(struct radeon_device *rdev);
1834 		void (*fini)(struct radeon_device *rdev);
1835 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1836 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1837 	} hpd;
1838 	/* static power management */
1839 	struct {
1840 		void (*misc)(struct radeon_device *rdev);
1841 		void (*prepare)(struct radeon_device *rdev);
1842 		void (*finish)(struct radeon_device *rdev);
1843 		void (*init_profile)(struct radeon_device *rdev);
1844 		void (*get_dynpm_state)(struct radeon_device *rdev);
1845 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1846 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1847 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1848 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1849 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1850 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1851 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1852 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1853 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1854 		int (*get_temperature)(struct radeon_device *rdev);
1855 	} pm;
1856 	/* dynamic power management */
1857 	struct {
1858 		int (*init)(struct radeon_device *rdev);
1859 		void (*setup_asic)(struct radeon_device *rdev);
1860 		int (*enable)(struct radeon_device *rdev);
1861 		int (*late_enable)(struct radeon_device *rdev);
1862 		void (*disable)(struct radeon_device *rdev);
1863 		int (*pre_set_power_state)(struct radeon_device *rdev);
1864 		int (*set_power_state)(struct radeon_device *rdev);
1865 		void (*post_set_power_state)(struct radeon_device *rdev);
1866 		void (*display_configuration_changed)(struct radeon_device *rdev);
1867 		void (*fini)(struct radeon_device *rdev);
1868 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1869 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1870 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1871 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1872 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1873 		bool (*vblank_too_short)(struct radeon_device *rdev);
1874 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1875 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1876 	} dpm;
1877 	/* pageflipping */
1878 	struct {
1879 		void (*pre_page_flip)(struct radeon_device *rdev, int crtc);
1880 		u32 (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1881 		void (*post_page_flip)(struct radeon_device *rdev, int crtc);
1882 	} pflip;
1883 };
1884 
1885 /*
1886  * Asic structures
1887  */
1888 struct r100_asic {
1889 	const unsigned		*reg_safe_bm;
1890 	unsigned		reg_safe_bm_size;
1891 	u32			hdp_cntl;
1892 };
1893 
1894 struct r300_asic {
1895 	const unsigned		*reg_safe_bm;
1896 	unsigned		reg_safe_bm_size;
1897 	u32			resync_scratch;
1898 	u32			hdp_cntl;
1899 };
1900 
1901 struct r600_asic {
1902 	unsigned		max_pipes;
1903 	unsigned		max_tile_pipes;
1904 	unsigned		max_simds;
1905 	unsigned		max_backends;
1906 	unsigned		max_gprs;
1907 	unsigned		max_threads;
1908 	unsigned		max_stack_entries;
1909 	unsigned		max_hw_contexts;
1910 	unsigned		max_gs_threads;
1911 	unsigned		sx_max_export_size;
1912 	unsigned		sx_max_export_pos_size;
1913 	unsigned		sx_max_export_smx_size;
1914 	unsigned		sq_num_cf_insts;
1915 	unsigned		tiling_nbanks;
1916 	unsigned		tiling_npipes;
1917 	unsigned		tiling_group_size;
1918 	unsigned		tile_config;
1919 	unsigned		backend_map;
1920 };
1921 
1922 struct rv770_asic {
1923 	unsigned		max_pipes;
1924 	unsigned		max_tile_pipes;
1925 	unsigned		max_simds;
1926 	unsigned		max_backends;
1927 	unsigned		max_gprs;
1928 	unsigned		max_threads;
1929 	unsigned		max_stack_entries;
1930 	unsigned		max_hw_contexts;
1931 	unsigned		max_gs_threads;
1932 	unsigned		sx_max_export_size;
1933 	unsigned		sx_max_export_pos_size;
1934 	unsigned		sx_max_export_smx_size;
1935 	unsigned		sq_num_cf_insts;
1936 	unsigned		sx_num_of_sets;
1937 	unsigned		sc_prim_fifo_size;
1938 	unsigned		sc_hiz_tile_fifo_size;
1939 	unsigned		sc_earlyz_tile_fifo_fize;
1940 	unsigned		tiling_nbanks;
1941 	unsigned		tiling_npipes;
1942 	unsigned		tiling_group_size;
1943 	unsigned		tile_config;
1944 	unsigned		backend_map;
1945 };
1946 
1947 struct evergreen_asic {
1948 	unsigned num_ses;
1949 	unsigned max_pipes;
1950 	unsigned max_tile_pipes;
1951 	unsigned max_simds;
1952 	unsigned max_backends;
1953 	unsigned max_gprs;
1954 	unsigned max_threads;
1955 	unsigned max_stack_entries;
1956 	unsigned max_hw_contexts;
1957 	unsigned max_gs_threads;
1958 	unsigned sx_max_export_size;
1959 	unsigned sx_max_export_pos_size;
1960 	unsigned sx_max_export_smx_size;
1961 	unsigned sq_num_cf_insts;
1962 	unsigned sx_num_of_sets;
1963 	unsigned sc_prim_fifo_size;
1964 	unsigned sc_hiz_tile_fifo_size;
1965 	unsigned sc_earlyz_tile_fifo_size;
1966 	unsigned tiling_nbanks;
1967 	unsigned tiling_npipes;
1968 	unsigned tiling_group_size;
1969 	unsigned tile_config;
1970 	unsigned backend_map;
1971 };
1972 
1973 struct cayman_asic {
1974 	unsigned max_shader_engines;
1975 	unsigned max_pipes_per_simd;
1976 	unsigned max_tile_pipes;
1977 	unsigned max_simds_per_se;
1978 	unsigned max_backends_per_se;
1979 	unsigned max_texture_channel_caches;
1980 	unsigned max_gprs;
1981 	unsigned max_threads;
1982 	unsigned max_gs_threads;
1983 	unsigned max_stack_entries;
1984 	unsigned sx_num_of_sets;
1985 	unsigned sx_max_export_size;
1986 	unsigned sx_max_export_pos_size;
1987 	unsigned sx_max_export_smx_size;
1988 	unsigned max_hw_contexts;
1989 	unsigned sq_num_cf_insts;
1990 	unsigned sc_prim_fifo_size;
1991 	unsigned sc_hiz_tile_fifo_size;
1992 	unsigned sc_earlyz_tile_fifo_size;
1993 
1994 	unsigned num_shader_engines;
1995 	unsigned num_shader_pipes_per_simd;
1996 	unsigned num_tile_pipes;
1997 	unsigned num_simds_per_se;
1998 	unsigned num_backends_per_se;
1999 	unsigned backend_disable_mask_per_asic;
2000 	unsigned backend_map;
2001 	unsigned num_texture_channel_caches;
2002 	unsigned mem_max_burst_length_bytes;
2003 	unsigned mem_row_size_in_kb;
2004 	unsigned shader_engine_tile_size;
2005 	unsigned num_gpus;
2006 	unsigned multi_gpu_tile_size;
2007 
2008 	unsigned tile_config;
2009 };
2010 
2011 struct si_asic {
2012 	unsigned max_shader_engines;
2013 	unsigned max_tile_pipes;
2014 	unsigned max_cu_per_sh;
2015 	unsigned max_sh_per_se;
2016 	unsigned max_backends_per_se;
2017 	unsigned max_texture_channel_caches;
2018 	unsigned max_gprs;
2019 	unsigned max_gs_threads;
2020 	unsigned max_hw_contexts;
2021 	unsigned sc_prim_fifo_size_frontend;
2022 	unsigned sc_prim_fifo_size_backend;
2023 	unsigned sc_hiz_tile_fifo_size;
2024 	unsigned sc_earlyz_tile_fifo_size;
2025 
2026 	unsigned num_tile_pipes;
2027 	unsigned backend_enable_mask;
2028 	unsigned backend_disable_mask_per_asic;
2029 	unsigned backend_map;
2030 	unsigned num_texture_channel_caches;
2031 	unsigned mem_max_burst_length_bytes;
2032 	unsigned mem_row_size_in_kb;
2033 	unsigned shader_engine_tile_size;
2034 	unsigned num_gpus;
2035 	unsigned multi_gpu_tile_size;
2036 
2037 	unsigned tile_config;
2038 	uint32_t tile_mode_array[32];
2039 };
2040 
2041 struct cik_asic {
2042 	unsigned max_shader_engines;
2043 	unsigned max_tile_pipes;
2044 	unsigned max_cu_per_sh;
2045 	unsigned max_sh_per_se;
2046 	unsigned max_backends_per_se;
2047 	unsigned max_texture_channel_caches;
2048 	unsigned max_gprs;
2049 	unsigned max_gs_threads;
2050 	unsigned max_hw_contexts;
2051 	unsigned sc_prim_fifo_size_frontend;
2052 	unsigned sc_prim_fifo_size_backend;
2053 	unsigned sc_hiz_tile_fifo_size;
2054 	unsigned sc_earlyz_tile_fifo_size;
2055 
2056 	unsigned num_tile_pipes;
2057 	unsigned backend_enable_mask;
2058 	unsigned backend_disable_mask_per_asic;
2059 	unsigned backend_map;
2060 	unsigned num_texture_channel_caches;
2061 	unsigned mem_max_burst_length_bytes;
2062 	unsigned mem_row_size_in_kb;
2063 	unsigned shader_engine_tile_size;
2064 	unsigned num_gpus;
2065 	unsigned multi_gpu_tile_size;
2066 
2067 	unsigned tile_config;
2068 	uint32_t tile_mode_array[32];
2069 	uint32_t macrotile_mode_array[16];
2070 };
2071 
2072 union radeon_asic_config {
2073 	struct r300_asic	r300;
2074 	struct r100_asic	r100;
2075 	struct r600_asic	r600;
2076 	struct rv770_asic	rv770;
2077 	struct evergreen_asic	evergreen;
2078 	struct cayman_asic	cayman;
2079 	struct si_asic		si;
2080 	struct cik_asic		cik;
2081 };
2082 
2083 /*
2084  * asic initizalization from radeon_asic.c
2085  */
2086 void radeon_agp_disable(struct radeon_device *rdev);
2087 int radeon_asic_init(struct radeon_device *rdev);
2088 
2089 
2090 /*
2091  * IOCTL.
2092  */
2093 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2094 			  struct drm_file *filp);
2095 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2096 			    struct drm_file *filp);
2097 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2098 			 struct drm_file *file_priv);
2099 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2100 			   struct drm_file *file_priv);
2101 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
2102 			    struct drm_file *file_priv);
2103 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
2104 			   struct drm_file *file_priv);
2105 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2106 				struct drm_file *filp);
2107 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2108 			  struct drm_file *filp);
2109 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2110 			  struct drm_file *filp);
2111 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2112 			      struct drm_file *filp);
2113 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2114 			  struct drm_file *filp);
2115 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2116 			struct drm_file *filp);
2117 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2118 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2119 				struct drm_file *filp);
2120 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2121 				struct drm_file *filp);
2122 
2123 /* VRAM scratch page for HDP bug, default vram page */
2124 struct r600_vram_scratch {
2125 	struct radeon_bo		*robj;
2126 	volatile uint32_t		*ptr;
2127 	u64				gpu_addr;
2128 };
2129 
2130 /*
2131  * ACPI
2132  */
2133 struct radeon_atif_notification_cfg {
2134 	bool enabled;
2135 	int command_code;
2136 };
2137 
2138 struct radeon_atif_notifications {
2139 	bool display_switch;
2140 	bool expansion_mode_change;
2141 	bool thermal_state;
2142 	bool forced_power_state;
2143 	bool system_power_state;
2144 	bool display_conf_change;
2145 	bool px_gfx_switch;
2146 	bool brightness_change;
2147 	bool dgpu_display_event;
2148 };
2149 
2150 struct radeon_atif_functions {
2151 	bool system_params;
2152 	bool sbios_requests;
2153 	bool select_active_disp;
2154 	bool lid_state;
2155 	bool get_tv_standard;
2156 	bool set_tv_standard;
2157 	bool get_panel_expansion_mode;
2158 	bool set_panel_expansion_mode;
2159 	bool temperature_change;
2160 	bool graphics_device_types;
2161 };
2162 
2163 struct radeon_atif {
2164 	struct radeon_atif_notifications notifications;
2165 	struct radeon_atif_functions functions;
2166 	struct radeon_atif_notification_cfg notification_cfg;
2167 	struct radeon_encoder *encoder_for_bl;
2168 };
2169 
2170 struct radeon_atcs_functions {
2171 	bool get_ext_state;
2172 	bool pcie_perf_req;
2173 	bool pcie_dev_rdy;
2174 	bool pcie_bus_width;
2175 };
2176 
2177 struct radeon_atcs {
2178 	struct radeon_atcs_functions functions;
2179 };
2180 
2181 /*
2182  * Core structure, functions and helpers.
2183  */
2184 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2185 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2186 
2187 struct radeon_device {
2188 	struct device			*dev;
2189 	struct drm_device		*ddev;
2190 	struct pci_dev			*pdev;
2191 	struct rw_semaphore		exclusive_lock;
2192 	/* ASIC */
2193 	union radeon_asic_config	config;
2194 	enum radeon_family		family;
2195 	unsigned long			flags;
2196 	int				usec_timeout;
2197 	enum radeon_pll_errata		pll_errata;
2198 	int				num_gb_pipes;
2199 	int				num_z_pipes;
2200 	int				disp_priority;
2201 	/* BIOS */
2202 	uint8_t				*bios;
2203 	bool				is_atom_bios;
2204 	uint16_t			bios_header_start;
2205 	struct radeon_bo		*stollen_vga_memory;
2206 	/* Register mmio */
2207 	resource_size_t			rmmio_base;
2208 	resource_size_t			rmmio_size;
2209 	/* protects concurrent MM_INDEX/DATA based register access */
2210 	spinlock_t mmio_idx_lock;
2211 	/* protects concurrent SMC based register access */
2212 	spinlock_t smc_idx_lock;
2213 	/* protects concurrent PLL register access */
2214 	spinlock_t pll_idx_lock;
2215 	/* protects concurrent MC register access */
2216 	spinlock_t mc_idx_lock;
2217 	/* protects concurrent PCIE register access */
2218 	spinlock_t pcie_idx_lock;
2219 	/* protects concurrent PCIE_PORT register access */
2220 	spinlock_t pciep_idx_lock;
2221 	/* protects concurrent PIF register access */
2222 	spinlock_t pif_idx_lock;
2223 	/* protects concurrent CG register access */
2224 	spinlock_t cg_idx_lock;
2225 	/* protects concurrent UVD register access */
2226 	spinlock_t uvd_idx_lock;
2227 	/* protects concurrent RCU register access */
2228 	spinlock_t rcu_idx_lock;
2229 	/* protects concurrent DIDT register access */
2230 	spinlock_t didt_idx_lock;
2231 	/* protects concurrent ENDPOINT (audio) register access */
2232 	spinlock_t end_idx_lock;
2233 	void __iomem			*rmmio;
2234 	radeon_rreg_t			mc_rreg;
2235 	radeon_wreg_t			mc_wreg;
2236 	radeon_rreg_t			pll_rreg;
2237 	radeon_wreg_t			pll_wreg;
2238 	uint32_t                        pcie_reg_mask;
2239 	radeon_rreg_t			pciep_rreg;
2240 	radeon_wreg_t			pciep_wreg;
2241 	/* io port */
2242 	void __iomem                    *rio_mem;
2243 	resource_size_t			rio_mem_size;
2244 	struct radeon_clock             clock;
2245 	struct radeon_mc		mc;
2246 	struct radeon_gart		gart;
2247 	struct radeon_mode_info		mode_info;
2248 	struct radeon_scratch		scratch;
2249 	struct radeon_doorbell		doorbell;
2250 	struct radeon_mman		mman;
2251 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2252 	wait_queue_head_t		fence_queue;
2253 	struct mutex			ring_lock;
2254 	struct radeon_ring		ring[RADEON_NUM_RINGS];
2255 	bool				ib_pool_ready;
2256 	struct radeon_sa_manager	ring_tmp_bo;
2257 	struct radeon_irq		irq;
2258 	struct radeon_asic		*asic;
2259 	struct radeon_gem		gem;
2260 	struct radeon_pm		pm;
2261 	struct radeon_uvd		uvd;
2262 	struct radeon_vce		vce;
2263 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2264 	struct radeon_wb		wb;
2265 	struct radeon_dummy_page	dummy_page;
2266 	bool				shutdown;
2267 	bool				suspend;
2268 	bool				need_dma32;
2269 	bool				accel_working;
2270 	bool				fastfb_working; /* IGP feature*/
2271 	bool				needs_reset;
2272 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2273 	const struct firmware *me_fw;	/* all family ME firmware */
2274 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2275 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2276 	const struct firmware *mc_fw;	/* NI MC firmware */
2277 	const struct firmware *ce_fw;	/* SI CE firmware */
2278 	const struct firmware *mec_fw;	/* CIK MEC firmware */
2279 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2280 	const struct firmware *smc_fw;	/* SMC firmware */
2281 	const struct firmware *uvd_fw;	/* UVD firmware */
2282 	const struct firmware *vce_fw;	/* VCE firmware */
2283 	struct r600_vram_scratch vram_scratch;
2284 	int msi_enabled; /* msi enabled */
2285 	struct r600_ih ih; /* r6/700 interrupt ring */
2286 	struct radeon_rlc rlc;
2287 	struct radeon_mec mec;
2288 	struct work_struct hotplug_work;
2289 	struct work_struct audio_work;
2290 	struct work_struct reset_work;
2291 	int num_crtc; /* number of crtcs */
2292 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2293 	bool has_uvd;
2294 	struct r600_audio audio; /* audio stuff */
2295 	struct notifier_block acpi_nb;
2296 	/* only one userspace can use Hyperz features or CMASK at a time */
2297 	struct drm_file *hyperz_filp;
2298 	struct drm_file *cmask_filp;
2299 	/* i2c buses */
2300 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2301 	/* debugfs */
2302 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
2303 	unsigned 		debugfs_count;
2304 	/* virtual memory */
2305 	struct radeon_vm_manager	vm_manager;
2306 	struct mutex			gpu_clock_mutex;
2307 	/* memory stats */
2308 	atomic64_t			vram_usage;
2309 	atomic64_t			gtt_usage;
2310 	atomic64_t			num_bytes_moved;
2311 	/* ACPI interface */
2312 	struct radeon_atif		atif;
2313 	struct radeon_atcs		atcs;
2314 	/* srbm instance registers */
2315 	struct mutex			srbm_mutex;
2316 	/* clock, powergating flags */
2317 	u32 cg_flags;
2318 	u32 pg_flags;
2319 
2320 	struct dev_pm_domain vga_pm_domain;
2321 	bool have_disp_power_ref;
2322 };
2323 
2324 int radeon_device_init(struct radeon_device *rdev,
2325 		       struct drm_device *ddev,
2326 		       struct pci_dev *pdev,
2327 		       uint32_t flags);
2328 void radeon_device_fini(struct radeon_device *rdev);
2329 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2330 
2331 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2332 		      bool always_indirect);
2333 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2334 		  bool always_indirect);
2335 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2336 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2337 
2338 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2339 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2340 
2341 /*
2342  * Cast helper
2343  */
2344 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
2345 
2346 /*
2347  * Registers read & write functions.
2348  */
2349 #define RREG8(reg) readb((rdev->rmmio) + (reg))
2350 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2351 #define RREG16(reg) readw((rdev->rmmio) + (reg))
2352 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2353 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2354 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2355 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg), false))
2356 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2357 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2358 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2359 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2360 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2361 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2362 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2363 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2364 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2365 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2366 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2367 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2368 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2369 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2370 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2371 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2372 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2373 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2374 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2375 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2376 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2377 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2378 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2379 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2380 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2381 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2382 #define WREG32_P(reg, val, mask)				\
2383 	do {							\
2384 		uint32_t tmp_ = RREG32(reg);			\
2385 		tmp_ &= (mask);					\
2386 		tmp_ |= ((val) & ~(mask));			\
2387 		WREG32(reg, tmp_);				\
2388 	} while (0)
2389 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2390 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2391 #define WREG32_PLL_P(reg, val, mask)				\
2392 	do {							\
2393 		uint32_t tmp_ = RREG32_PLL(reg);		\
2394 		tmp_ &= (mask);					\
2395 		tmp_ |= ((val) & ~(mask));			\
2396 		WREG32_PLL(reg, tmp_);				\
2397 	} while (0)
2398 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2399 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2400 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2401 
2402 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2403 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2404 
2405 /*
2406  * Indirect registers accessor
2407  */
2408 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
2409 {
2410 	unsigned long flags;
2411 	uint32_t r;
2412 
2413 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2414 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2415 	r = RREG32(RADEON_PCIE_DATA);
2416 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2417 	return r;
2418 }
2419 
2420 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2421 {
2422 	unsigned long flags;
2423 
2424 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2425 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2426 	WREG32(RADEON_PCIE_DATA, (v));
2427 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2428 }
2429 
2430 static inline u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
2431 {
2432 	unsigned long flags;
2433 	u32 r;
2434 
2435 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2436 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2437 	r = RREG32(TN_SMC_IND_DATA_0);
2438 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2439 	return r;
2440 }
2441 
2442 static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2443 {
2444 	unsigned long flags;
2445 
2446 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2447 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2448 	WREG32(TN_SMC_IND_DATA_0, (v));
2449 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2450 }
2451 
2452 static inline u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
2453 {
2454 	unsigned long flags;
2455 	u32 r;
2456 
2457 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2458 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2459 	r = RREG32(R600_RCU_DATA);
2460 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2461 	return r;
2462 }
2463 
2464 static inline void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2465 {
2466 	unsigned long flags;
2467 
2468 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2469 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2470 	WREG32(R600_RCU_DATA, (v));
2471 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2472 }
2473 
2474 static inline u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
2475 {
2476 	unsigned long flags;
2477 	u32 r;
2478 
2479 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2480 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2481 	r = RREG32(EVERGREEN_CG_IND_DATA);
2482 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2483 	return r;
2484 }
2485 
2486 static inline void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2487 {
2488 	unsigned long flags;
2489 
2490 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2491 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2492 	WREG32(EVERGREEN_CG_IND_DATA, (v));
2493 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2494 }
2495 
2496 static inline u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
2497 {
2498 	unsigned long flags;
2499 	u32 r;
2500 
2501 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2502 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2503 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
2504 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2505 	return r;
2506 }
2507 
2508 static inline void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2509 {
2510 	unsigned long flags;
2511 
2512 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2513 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2514 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
2515 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2516 }
2517 
2518 static inline u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
2519 {
2520 	unsigned long flags;
2521 	u32 r;
2522 
2523 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2524 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2525 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
2526 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2527 	return r;
2528 }
2529 
2530 static inline void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2531 {
2532 	unsigned long flags;
2533 
2534 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2535 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2536 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
2537 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2538 }
2539 
2540 static inline u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
2541 {
2542 	unsigned long flags;
2543 	u32 r;
2544 
2545 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2546 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2547 	r = RREG32(R600_UVD_CTX_DATA);
2548 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2549 	return r;
2550 }
2551 
2552 static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2553 {
2554 	unsigned long flags;
2555 
2556 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2557 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2558 	WREG32(R600_UVD_CTX_DATA, (v));
2559 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2560 }
2561 
2562 
2563 static inline u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg)
2564 {
2565 	unsigned long flags;
2566 	u32 r;
2567 
2568 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2569 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2570 	r = RREG32(CIK_DIDT_IND_DATA);
2571 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2572 	return r;
2573 }
2574 
2575 static inline void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2576 {
2577 	unsigned long flags;
2578 
2579 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2580 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2581 	WREG32(CIK_DIDT_IND_DATA, (v));
2582 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2583 }
2584 
2585 void r100_pll_errata_after_index(struct radeon_device *rdev);
2586 
2587 
2588 /*
2589  * ASICs helpers.
2590  */
2591 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2592 			    (rdev->pdev->device == 0x5969))
2593 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2594 		(rdev->family == CHIP_RV200) || \
2595 		(rdev->family == CHIP_RS100) || \
2596 		(rdev->family == CHIP_RS200) || \
2597 		(rdev->family == CHIP_RV250) || \
2598 		(rdev->family == CHIP_RV280) || \
2599 		(rdev->family == CHIP_RS300))
2600 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2601 		(rdev->family == CHIP_RV350) ||			\
2602 		(rdev->family == CHIP_R350)  ||			\
2603 		(rdev->family == CHIP_RV380) ||			\
2604 		(rdev->family == CHIP_R420)  ||			\
2605 		(rdev->family == CHIP_R423)  ||			\
2606 		(rdev->family == CHIP_RV410) ||			\
2607 		(rdev->family == CHIP_RS400) ||			\
2608 		(rdev->family == CHIP_RS480))
2609 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
2610 		(rdev->ddev->pdev->device == 0x9443) || \
2611 		(rdev->ddev->pdev->device == 0x944B) || \
2612 		(rdev->ddev->pdev->device == 0x9506) || \
2613 		(rdev->ddev->pdev->device == 0x9509) || \
2614 		(rdev->ddev->pdev->device == 0x950F) || \
2615 		(rdev->ddev->pdev->device == 0x689C) || \
2616 		(rdev->ddev->pdev->device == 0x689D))
2617 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2618 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2619 			    (rdev->family == CHIP_RS690)  ||	\
2620 			    (rdev->family == CHIP_RS740)  ||	\
2621 			    (rdev->family >= CHIP_R600))
2622 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2623 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2624 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2625 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2626 			     (rdev->flags & RADEON_IS_IGP))
2627 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2628 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2629 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2630 			     (rdev->flags & RADEON_IS_IGP))
2631 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2632 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2633 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2634 
2635 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
2636 			      (rdev->ddev->pdev->device == 0x6850) || \
2637 			      (rdev->ddev->pdev->device == 0x6858) || \
2638 			      (rdev->ddev->pdev->device == 0x6859) || \
2639 			      (rdev->ddev->pdev->device == 0x6840) || \
2640 			      (rdev->ddev->pdev->device == 0x6841) || \
2641 			      (rdev->ddev->pdev->device == 0x6842) || \
2642 			      (rdev->ddev->pdev->device == 0x6843))
2643 
2644 /*
2645  * BIOS helpers.
2646  */
2647 #define RBIOS8(i) (rdev->bios[i])
2648 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2649 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2650 
2651 int radeon_combios_init(struct radeon_device *rdev);
2652 void radeon_combios_fini(struct radeon_device *rdev);
2653 int radeon_atombios_init(struct radeon_device *rdev);
2654 void radeon_atombios_fini(struct radeon_device *rdev);
2655 
2656 
2657 /*
2658  * RING helpers.
2659  */
2660 #if DRM_DEBUG_CODE == 0
2661 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2662 {
2663 	ring->ring[ring->wptr++] = v;
2664 	ring->wptr &= ring->ptr_mask;
2665 	ring->count_dw--;
2666 	ring->ring_free_dw--;
2667 }
2668 #else
2669 /* With debugging this is just too big to inline */
2670 void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
2671 #endif
2672 
2673 /*
2674  * ASICs macro.
2675  */
2676 #define radeon_init(rdev) (rdev)->asic->init((rdev))
2677 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2678 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2679 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2680 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2681 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2682 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
2683 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2684 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart.set_page((rdev), (i), (p))
2685 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2686 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2687 #define radeon_asic_vm_set_page(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_page((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
2688 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2689 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2690 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2691 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2692 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2693 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2694 #define radeon_ring_vm_flush(rdev, r, vm) (rdev)->asic->ring[(r)]->vm_flush((rdev), (r), (vm))
2695 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2696 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2697 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2698 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2699 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2700 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2701 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2702 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2703 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2704 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2705 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2706 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2707 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f))
2708 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (f))
2709 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (f))
2710 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2711 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2712 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2713 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2714 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2715 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2716 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2717 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2718 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2719 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2720 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2721 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2722 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2723 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2724 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2725 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2726 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2727 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2728 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2729 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2730 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2731 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2732 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2733 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2734 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2735 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2736 #define radeon_pre_page_flip(rdev, crtc) (rdev)->asic->pflip.pre_page_flip((rdev), (crtc))
2737 #define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base))
2738 #define radeon_post_page_flip(rdev, crtc) (rdev)->asic->pflip.post_page_flip((rdev), (crtc))
2739 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2740 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2741 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2742 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2743 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2744 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2745 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2746 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2747 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2748 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2749 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2750 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2751 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2752 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2753 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2754 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2755 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2756 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2757 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2758 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2759 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2760 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2761 
2762 /* Common functions */
2763 /* AGP */
2764 extern int radeon_gpu_reset(struct radeon_device *rdev);
2765 extern void radeon_pci_config_reset(struct radeon_device *rdev);
2766 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2767 extern void radeon_agp_disable(struct radeon_device *rdev);
2768 extern int radeon_modeset_init(struct radeon_device *rdev);
2769 extern void radeon_modeset_fini(struct radeon_device *rdev);
2770 extern bool radeon_card_posted(struct radeon_device *rdev);
2771 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2772 extern void radeon_update_display_priority(struct radeon_device *rdev);
2773 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2774 extern void radeon_scratch_init(struct radeon_device *rdev);
2775 extern void radeon_wb_fini(struct radeon_device *rdev);
2776 extern int radeon_wb_init(struct radeon_device *rdev);
2777 extern void radeon_wb_disable(struct radeon_device *rdev);
2778 extern void radeon_surface_init(struct radeon_device *rdev);
2779 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2780 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2781 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2782 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2783 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2784 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2785 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2786 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2787 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2788 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2789 extern void radeon_program_register_sequence(struct radeon_device *rdev,
2790 					     const u32 *registers,
2791 					     const u32 array_size);
2792 
2793 /*
2794  * vm
2795  */
2796 int radeon_vm_manager_init(struct radeon_device *rdev);
2797 void radeon_vm_manager_fini(struct radeon_device *rdev);
2798 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2799 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2800 struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
2801 					  struct radeon_vm *vm,
2802                                           struct list_head *head);
2803 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2804 				       struct radeon_vm *vm, int ring);
2805 void radeon_vm_flush(struct radeon_device *rdev,
2806                      struct radeon_vm *vm,
2807                      int ring);
2808 void radeon_vm_fence(struct radeon_device *rdev,
2809 		     struct radeon_vm *vm,
2810 		     struct radeon_fence *fence);
2811 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2812 int radeon_vm_update_page_directory(struct radeon_device *rdev,
2813 				    struct radeon_vm *vm);
2814 int radeon_vm_bo_update(struct radeon_device *rdev,
2815 			struct radeon_vm *vm,
2816 			struct radeon_bo *bo,
2817 			struct ttm_mem_reg *mem);
2818 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2819 			     struct radeon_bo *bo);
2820 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2821 				       struct radeon_bo *bo);
2822 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2823 				      struct radeon_vm *vm,
2824 				      struct radeon_bo *bo);
2825 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2826 			  struct radeon_bo_va *bo_va,
2827 			  uint64_t offset,
2828 			  uint32_t flags);
2829 int radeon_vm_bo_rmv(struct radeon_device *rdev,
2830 		     struct radeon_bo_va *bo_va);
2831 
2832 /* audio */
2833 void r600_audio_update_hdmi(struct work_struct *work);
2834 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2835 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2836 void r600_audio_enable(struct radeon_device *rdev,
2837 		       struct r600_audio_pin *pin,
2838 		       bool enable);
2839 void dce6_audio_enable(struct radeon_device *rdev,
2840 		       struct r600_audio_pin *pin,
2841 		       bool enable);
2842 
2843 /*
2844  * R600 vram scratch functions
2845  */
2846 int r600_vram_scratch_init(struct radeon_device *rdev);
2847 void r600_vram_scratch_fini(struct radeon_device *rdev);
2848 
2849 /*
2850  * r600 cs checking helper
2851  */
2852 unsigned r600_mip_minify(unsigned size, unsigned level);
2853 bool r600_fmt_is_valid_color(u32 format);
2854 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
2855 int r600_fmt_get_blocksize(u32 format);
2856 int r600_fmt_get_nblocksx(u32 format, u32 w);
2857 int r600_fmt_get_nblocksy(u32 format, u32 h);
2858 
2859 /*
2860  * r600 functions used by radeon_encoder.c
2861  */
2862 struct radeon_hdmi_acr {
2863 	u32 clock;
2864 
2865 	int n_32khz;
2866 	int cts_32khz;
2867 
2868 	int n_44_1khz;
2869 	int cts_44_1khz;
2870 
2871 	int n_48khz;
2872 	int cts_48khz;
2873 
2874 };
2875 
2876 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
2877 
2878 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
2879 				     u32 tiling_pipe_num,
2880 				     u32 max_rb_num,
2881 				     u32 total_max_rb_num,
2882 				     u32 enabled_rb_mask);
2883 
2884 /*
2885  * evergreen functions used by radeon_encoder.c
2886  */
2887 
2888 extern int ni_init_microcode(struct radeon_device *rdev);
2889 extern int ni_mc_load_microcode(struct radeon_device *rdev);
2890 
2891 /* radeon_acpi.c */
2892 #if defined(CONFIG_ACPI)
2893 extern int radeon_acpi_init(struct radeon_device *rdev);
2894 extern void radeon_acpi_fini(struct radeon_device *rdev);
2895 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
2896 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
2897 						u8 perf_req, bool advertise);
2898 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
2899 #else
2900 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
2901 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
2902 #endif
2903 
2904 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
2905 			   struct radeon_cs_packet *pkt,
2906 			   unsigned idx);
2907 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
2908 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
2909 			   struct radeon_cs_packet *pkt);
2910 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
2911 				struct radeon_cs_reloc **cs_reloc,
2912 				int nomm);
2913 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
2914 			       uint32_t *vline_start_end,
2915 			       uint32_t *vline_status);
2916 
2917 #include "radeon_object.h"
2918 
2919 #endif
2920