xref: /linux/drivers/gpu/drm/radeon/radeon.h (revision 988b0c541ed8b1c633c4d4df7169010635942e18)
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 extern int radeon_vm_size;
104 extern int radeon_vm_block_size;
105 extern int radeon_deep_color;
106 
107 /*
108  * Copy from radeon_drv.h so we don't have to include both and have conflicting
109  * symbol;
110  */
111 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
112 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
113 /* RADEON_IB_POOL_SIZE must be a power of 2 */
114 #define RADEON_IB_POOL_SIZE			16
115 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
116 #define RADEONFB_CONN_LIMIT			4
117 #define RADEON_BIOS_NUM_SCRATCH			8
118 
119 /* fence seq are set to this number when signaled */
120 #define RADEON_FENCE_SIGNALED_SEQ		0LL
121 
122 /* internal ring indices */
123 /* r1xx+ has gfx CP ring */
124 #define RADEON_RING_TYPE_GFX_INDEX		0
125 
126 /* cayman has 2 compute CP rings */
127 #define CAYMAN_RING_TYPE_CP1_INDEX		1
128 #define CAYMAN_RING_TYPE_CP2_INDEX		2
129 
130 /* R600+ has an async dma ring */
131 #define R600_RING_TYPE_DMA_INDEX		3
132 /* cayman add a second async dma ring */
133 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
134 
135 /* R600+ */
136 #define R600_RING_TYPE_UVD_INDEX		5
137 
138 /* TN+ */
139 #define TN_RING_TYPE_VCE1_INDEX			6
140 #define TN_RING_TYPE_VCE2_INDEX			7
141 
142 /* max number of rings */
143 #define RADEON_NUM_RINGS			8
144 
145 /* number of hw syncs before falling back on blocking */
146 #define RADEON_NUM_SYNCS			4
147 
148 /* number of hw syncs before falling back on blocking */
149 #define RADEON_NUM_SYNCS			4
150 
151 /* hardcode those limit for now */
152 #define RADEON_VA_IB_OFFSET			(1 << 20)
153 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
154 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
155 
156 /* hard reset data */
157 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
158 
159 /* reset flags */
160 #define RADEON_RESET_GFX			(1 << 0)
161 #define RADEON_RESET_COMPUTE			(1 << 1)
162 #define RADEON_RESET_DMA			(1 << 2)
163 #define RADEON_RESET_CP				(1 << 3)
164 #define RADEON_RESET_GRBM			(1 << 4)
165 #define RADEON_RESET_DMA1			(1 << 5)
166 #define RADEON_RESET_RLC			(1 << 6)
167 #define RADEON_RESET_SEM			(1 << 7)
168 #define RADEON_RESET_IH				(1 << 8)
169 #define RADEON_RESET_VMC			(1 << 9)
170 #define RADEON_RESET_MC				(1 << 10)
171 #define RADEON_RESET_DISPLAY			(1 << 11)
172 
173 /* CG block flags */
174 #define RADEON_CG_BLOCK_GFX			(1 << 0)
175 #define RADEON_CG_BLOCK_MC			(1 << 1)
176 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
177 #define RADEON_CG_BLOCK_UVD			(1 << 3)
178 #define RADEON_CG_BLOCK_VCE			(1 << 4)
179 #define RADEON_CG_BLOCK_HDP			(1 << 5)
180 #define RADEON_CG_BLOCK_BIF			(1 << 6)
181 
182 /* CG flags */
183 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
184 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
185 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
186 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
187 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
188 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
189 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
190 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
191 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
192 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
193 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
194 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
195 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
196 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
197 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
198 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
199 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
200 
201 /* PG flags */
202 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
203 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
204 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
205 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
206 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
207 #define RADEON_PG_SUPPORT_CP			(1 << 5)
208 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
209 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
210 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
211 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
212 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
213 
214 /* max cursor sizes (in pixels) */
215 #define CURSOR_WIDTH 64
216 #define CURSOR_HEIGHT 64
217 
218 #define CIK_CURSOR_WIDTH 128
219 #define CIK_CURSOR_HEIGHT 128
220 
221 /*
222  * Errata workarounds.
223  */
224 enum radeon_pll_errata {
225 	CHIP_ERRATA_R300_CG             = 0x00000001,
226 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
227 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
228 };
229 
230 
231 struct radeon_device;
232 
233 
234 /*
235  * BIOS.
236  */
237 bool radeon_get_bios(struct radeon_device *rdev);
238 
239 /*
240  * Dummy page
241  */
242 struct radeon_dummy_page {
243 	struct page	*page;
244 	dma_addr_t	addr;
245 };
246 int radeon_dummy_page_init(struct radeon_device *rdev);
247 void radeon_dummy_page_fini(struct radeon_device *rdev);
248 
249 
250 /*
251  * Clocks
252  */
253 struct radeon_clock {
254 	struct radeon_pll p1pll;
255 	struct radeon_pll p2pll;
256 	struct radeon_pll dcpll;
257 	struct radeon_pll spll;
258 	struct radeon_pll mpll;
259 	/* 10 Khz units */
260 	uint32_t default_mclk;
261 	uint32_t default_sclk;
262 	uint32_t default_dispclk;
263 	uint32_t current_dispclk;
264 	uint32_t dp_extclk;
265 	uint32_t max_pixel_clock;
266 };
267 
268 /*
269  * Power management
270  */
271 int radeon_pm_init(struct radeon_device *rdev);
272 int radeon_pm_late_init(struct radeon_device *rdev);
273 void radeon_pm_fini(struct radeon_device *rdev);
274 void radeon_pm_compute_clocks(struct radeon_device *rdev);
275 void radeon_pm_suspend(struct radeon_device *rdev);
276 void radeon_pm_resume(struct radeon_device *rdev);
277 void radeon_combios_get_power_modes(struct radeon_device *rdev);
278 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
279 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
280 				   u8 clock_type,
281 				   u32 clock,
282 				   bool strobe_mode,
283 				   struct atom_clock_dividers *dividers);
284 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
285 					u32 clock,
286 					bool strobe_mode,
287 					struct atom_mpll_param *mpll_param);
288 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
289 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
290 					  u16 voltage_level, u8 voltage_type,
291 					  u32 *gpio_value, u32 *gpio_mask);
292 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
293 					 u32 eng_clock, u32 mem_clock);
294 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
295 				 u8 voltage_type, u16 *voltage_step);
296 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
297 			     u16 voltage_id, u16 *voltage);
298 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
299 						      u16 *voltage,
300 						      u16 leakage_idx);
301 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
302 					  u16 *leakage_id);
303 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
304 							 u16 *vddc, u16 *vddci,
305 							 u16 virtual_voltage_id,
306 							 u16 vbios_voltage_id);
307 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
308 				      u8 voltage_type,
309 				      u16 nominal_voltage,
310 				      u16 *true_voltage);
311 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
312 				u8 voltage_type, u16 *min_voltage);
313 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
314 				u8 voltage_type, u16 *max_voltage);
315 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
316 				  u8 voltage_type, u8 voltage_mode,
317 				  struct atom_voltage_table *voltage_table);
318 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
319 				 u8 voltage_type, u8 voltage_mode);
320 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
321 				   u32 mem_clock);
322 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
323 			       u32 mem_clock);
324 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
325 				  u8 module_index,
326 				  struct atom_mc_reg_table *reg_table);
327 int radeon_atom_get_memory_info(struct radeon_device *rdev,
328 				u8 module_index, struct atom_memory_info *mem_info);
329 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
330 				     bool gddr5, u8 module_index,
331 				     struct atom_memory_clock_range_table *mclk_range_table);
332 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
333 			     u16 voltage_id, u16 *voltage);
334 void rs690_pm_info(struct radeon_device *rdev);
335 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
336 				    unsigned *bankh, unsigned *mtaspect,
337 				    unsigned *tile_split);
338 
339 /*
340  * Fences.
341  */
342 struct radeon_fence_driver {
343 	uint32_t			scratch_reg;
344 	uint64_t			gpu_addr;
345 	volatile uint32_t		*cpu_addr;
346 	/* sync_seq is protected by ring emission lock */
347 	uint64_t			sync_seq[RADEON_NUM_RINGS];
348 	atomic64_t			last_seq;
349 	bool				initialized;
350 };
351 
352 struct radeon_fence {
353 	struct radeon_device		*rdev;
354 	struct kref			kref;
355 	/* protected by radeon_fence.lock */
356 	uint64_t			seq;
357 	/* RB, DMA, etc. */
358 	unsigned			ring;
359 };
360 
361 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
362 int radeon_fence_driver_init(struct radeon_device *rdev);
363 void radeon_fence_driver_fini(struct radeon_device *rdev);
364 void radeon_fence_driver_force_completion(struct radeon_device *rdev);
365 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
366 void radeon_fence_process(struct radeon_device *rdev, int ring);
367 bool radeon_fence_signaled(struct radeon_fence *fence);
368 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
369 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
370 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
371 int radeon_fence_wait_any(struct radeon_device *rdev,
372 			  struct radeon_fence **fences,
373 			  bool intr);
374 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
375 void radeon_fence_unref(struct radeon_fence **fence);
376 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
377 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
378 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
379 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
380 						      struct radeon_fence *b)
381 {
382 	if (!a) {
383 		return b;
384 	}
385 
386 	if (!b) {
387 		return a;
388 	}
389 
390 	BUG_ON(a->ring != b->ring);
391 
392 	if (a->seq > b->seq) {
393 		return a;
394 	} else {
395 		return b;
396 	}
397 }
398 
399 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
400 					   struct radeon_fence *b)
401 {
402 	if (!a) {
403 		return false;
404 	}
405 
406 	if (!b) {
407 		return true;
408 	}
409 
410 	BUG_ON(a->ring != b->ring);
411 
412 	return a->seq < b->seq;
413 }
414 
415 /*
416  * Tiling registers
417  */
418 struct radeon_surface_reg {
419 	struct radeon_bo *bo;
420 };
421 
422 #define RADEON_GEM_MAX_SURFACES 8
423 
424 /*
425  * TTM.
426  */
427 struct radeon_mman {
428 	struct ttm_bo_global_ref        bo_global_ref;
429 	struct drm_global_reference	mem_global_ref;
430 	struct ttm_bo_device		bdev;
431 	bool				mem_global_referenced;
432 	bool				initialized;
433 
434 #if defined(CONFIG_DEBUG_FS)
435 	struct dentry			*vram;
436 	struct dentry			*gtt;
437 #endif
438 };
439 
440 /* bo virtual address in a specific vm */
441 struct radeon_bo_va {
442 	/* protected by bo being reserved */
443 	struct list_head		bo_list;
444 	uint64_t			soffset;
445 	uint64_t			eoffset;
446 	uint32_t			flags;
447 	bool				valid;
448 	unsigned			ref_count;
449 
450 	/* protected by vm mutex */
451 	struct list_head		vm_list;
452 
453 	/* constant after initialization */
454 	struct radeon_vm		*vm;
455 	struct radeon_bo		*bo;
456 };
457 
458 struct radeon_bo {
459 	/* Protected by gem.mutex */
460 	struct list_head		list;
461 	/* Protected by tbo.reserved */
462 	u32				initial_domain;
463 	u32				placements[3];
464 	struct ttm_placement		placement;
465 	struct ttm_buffer_object	tbo;
466 	struct ttm_bo_kmap_obj		kmap;
467 	unsigned			pin_count;
468 	void				*kptr;
469 	u32				tiling_flags;
470 	u32				pitch;
471 	int				surface_reg;
472 	/* list of all virtual address to which this bo
473 	 * is associated to
474 	 */
475 	struct list_head		va;
476 	/* Constant after initialization */
477 	struct radeon_device		*rdev;
478 	struct drm_gem_object		gem_base;
479 
480 	struct ttm_bo_kmap_obj		dma_buf_vmap;
481 	pid_t				pid;
482 };
483 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
484 
485 int radeon_gem_debugfs_init(struct radeon_device *rdev);
486 
487 /* sub-allocation manager, it has to be protected by another lock.
488  * By conception this is an helper for other part of the driver
489  * like the indirect buffer or semaphore, which both have their
490  * locking.
491  *
492  * Principe is simple, we keep a list of sub allocation in offset
493  * order (first entry has offset == 0, last entry has the highest
494  * offset).
495  *
496  * When allocating new object we first check if there is room at
497  * the end total_size - (last_object_offset + last_object_size) >=
498  * alloc_size. If so we allocate new object there.
499  *
500  * When there is not enough room at the end, we start waiting for
501  * each sub object until we reach object_offset+object_size >=
502  * alloc_size, this object then become the sub object we return.
503  *
504  * Alignment can't be bigger than page size.
505  *
506  * Hole are not considered for allocation to keep things simple.
507  * Assumption is that there won't be hole (all object on same
508  * alignment).
509  */
510 struct radeon_sa_manager {
511 	wait_queue_head_t	wq;
512 	struct radeon_bo	*bo;
513 	struct list_head	*hole;
514 	struct list_head	flist[RADEON_NUM_RINGS];
515 	struct list_head	olist;
516 	unsigned		size;
517 	uint64_t		gpu_addr;
518 	void			*cpu_ptr;
519 	uint32_t		domain;
520 	uint32_t		align;
521 };
522 
523 struct radeon_sa_bo;
524 
525 /* sub-allocation buffer */
526 struct radeon_sa_bo {
527 	struct list_head		olist;
528 	struct list_head		flist;
529 	struct radeon_sa_manager	*manager;
530 	unsigned			soffset;
531 	unsigned			eoffset;
532 	struct radeon_fence		*fence;
533 };
534 
535 /*
536  * GEM objects.
537  */
538 struct radeon_gem {
539 	struct mutex		mutex;
540 	struct list_head	objects;
541 };
542 
543 int radeon_gem_init(struct radeon_device *rdev);
544 void radeon_gem_fini(struct radeon_device *rdev);
545 int radeon_gem_object_create(struct radeon_device *rdev, int size,
546 				int alignment, int initial_domain,
547 				bool discardable, bool kernel,
548 				struct drm_gem_object **obj);
549 
550 int radeon_mode_dumb_create(struct drm_file *file_priv,
551 			    struct drm_device *dev,
552 			    struct drm_mode_create_dumb *args);
553 int radeon_mode_dumb_mmap(struct drm_file *filp,
554 			  struct drm_device *dev,
555 			  uint32_t handle, uint64_t *offset_p);
556 
557 /*
558  * Semaphores.
559  */
560 struct radeon_semaphore {
561 	struct radeon_sa_bo		*sa_bo;
562 	signed				waiters;
563 	uint64_t			gpu_addr;
564 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
565 };
566 
567 int radeon_semaphore_create(struct radeon_device *rdev,
568 			    struct radeon_semaphore **semaphore);
569 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
570 				  struct radeon_semaphore *semaphore);
571 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
572 				struct radeon_semaphore *semaphore);
573 void radeon_semaphore_sync_to(struct radeon_semaphore *semaphore,
574 			      struct radeon_fence *fence);
575 int radeon_semaphore_sync_rings(struct radeon_device *rdev,
576 				struct radeon_semaphore *semaphore,
577 				int waiting_ring);
578 void radeon_semaphore_free(struct radeon_device *rdev,
579 			   struct radeon_semaphore **semaphore,
580 			   struct radeon_fence *fence);
581 
582 /*
583  * GART structures, functions & helpers
584  */
585 struct radeon_mc;
586 
587 #define RADEON_GPU_PAGE_SIZE 4096
588 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
589 #define RADEON_GPU_PAGE_SHIFT 12
590 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
591 
592 struct radeon_gart {
593 	dma_addr_t			table_addr;
594 	struct radeon_bo		*robj;
595 	void				*ptr;
596 	unsigned			num_gpu_pages;
597 	unsigned			num_cpu_pages;
598 	unsigned			table_size;
599 	struct page			**pages;
600 	dma_addr_t			*pages_addr;
601 	bool				ready;
602 };
603 
604 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
605 void radeon_gart_table_ram_free(struct radeon_device *rdev);
606 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
607 void radeon_gart_table_vram_free(struct radeon_device *rdev);
608 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
609 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
610 int radeon_gart_init(struct radeon_device *rdev);
611 void radeon_gart_fini(struct radeon_device *rdev);
612 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
613 			int pages);
614 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
615 		     int pages, struct page **pagelist,
616 		     dma_addr_t *dma_addr);
617 void radeon_gart_restore(struct radeon_device *rdev);
618 
619 
620 /*
621  * GPU MC structures, functions & helpers
622  */
623 struct radeon_mc {
624 	resource_size_t		aper_size;
625 	resource_size_t		aper_base;
626 	resource_size_t		agp_base;
627 	/* for some chips with <= 32MB we need to lie
628 	 * about vram size near mc fb location */
629 	u64			mc_vram_size;
630 	u64			visible_vram_size;
631 	u64			gtt_size;
632 	u64			gtt_start;
633 	u64			gtt_end;
634 	u64			vram_start;
635 	u64			vram_end;
636 	unsigned		vram_width;
637 	u64			real_vram_size;
638 	int			vram_mtrr;
639 	bool			vram_is_ddr;
640 	bool			igp_sideport_enabled;
641 	u64                     gtt_base_align;
642 	u64                     mc_mask;
643 };
644 
645 bool radeon_combios_sideport_present(struct radeon_device *rdev);
646 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
647 
648 /*
649  * GPU scratch registers structures, functions & helpers
650  */
651 struct radeon_scratch {
652 	unsigned		num_reg;
653 	uint32_t                reg_base;
654 	bool			free[32];
655 	uint32_t		reg[32];
656 };
657 
658 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
659 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
660 
661 /*
662  * GPU doorbell structures, functions & helpers
663  */
664 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
665 
666 struct radeon_doorbell {
667 	/* doorbell mmio */
668 	resource_size_t		base;
669 	resource_size_t		size;
670 	u32 __iomem		*ptr;
671 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
672 	unsigned long		used[DIV_ROUND_UP(RADEON_MAX_DOORBELLS, BITS_PER_LONG)];
673 };
674 
675 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
676 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
677 
678 /*
679  * IRQS.
680  */
681 
682 struct radeon_flip_work {
683 	struct work_struct		flip_work;
684 	struct work_struct		unpin_work;
685 	struct radeon_device		*rdev;
686 	int				crtc_id;
687 	struct drm_framebuffer		*fb;
688 	struct drm_pending_vblank_event *event;
689 	struct radeon_bo		*old_rbo;
690 	struct radeon_bo		*new_rbo;
691 	struct radeon_fence		*fence;
692 };
693 
694 struct r500_irq_stat_regs {
695 	u32 disp_int;
696 	u32 hdmi0_status;
697 };
698 
699 struct r600_irq_stat_regs {
700 	u32 disp_int;
701 	u32 disp_int_cont;
702 	u32 disp_int_cont2;
703 	u32 d1grph_int;
704 	u32 d2grph_int;
705 	u32 hdmi0_status;
706 	u32 hdmi1_status;
707 };
708 
709 struct evergreen_irq_stat_regs {
710 	u32 disp_int;
711 	u32 disp_int_cont;
712 	u32 disp_int_cont2;
713 	u32 disp_int_cont3;
714 	u32 disp_int_cont4;
715 	u32 disp_int_cont5;
716 	u32 d1grph_int;
717 	u32 d2grph_int;
718 	u32 d3grph_int;
719 	u32 d4grph_int;
720 	u32 d5grph_int;
721 	u32 d6grph_int;
722 	u32 afmt_status1;
723 	u32 afmt_status2;
724 	u32 afmt_status3;
725 	u32 afmt_status4;
726 	u32 afmt_status5;
727 	u32 afmt_status6;
728 };
729 
730 struct cik_irq_stat_regs {
731 	u32 disp_int;
732 	u32 disp_int_cont;
733 	u32 disp_int_cont2;
734 	u32 disp_int_cont3;
735 	u32 disp_int_cont4;
736 	u32 disp_int_cont5;
737 	u32 disp_int_cont6;
738 	u32 d1grph_int;
739 	u32 d2grph_int;
740 	u32 d3grph_int;
741 	u32 d4grph_int;
742 	u32 d5grph_int;
743 	u32 d6grph_int;
744 };
745 
746 union radeon_irq_stat_regs {
747 	struct r500_irq_stat_regs r500;
748 	struct r600_irq_stat_regs r600;
749 	struct evergreen_irq_stat_regs evergreen;
750 	struct cik_irq_stat_regs cik;
751 };
752 
753 struct radeon_irq {
754 	bool				installed;
755 	spinlock_t			lock;
756 	atomic_t			ring_int[RADEON_NUM_RINGS];
757 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
758 	atomic_t			pflip[RADEON_MAX_CRTCS];
759 	wait_queue_head_t		vblank_queue;
760 	bool				hpd[RADEON_MAX_HPD_PINS];
761 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
762 	union radeon_irq_stat_regs	stat_regs;
763 	bool				dpm_thermal;
764 };
765 
766 int radeon_irq_kms_init(struct radeon_device *rdev);
767 void radeon_irq_kms_fini(struct radeon_device *rdev);
768 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
769 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
770 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
771 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
772 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
773 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
774 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
775 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
776 
777 /*
778  * CP & rings.
779  */
780 
781 struct radeon_ib {
782 	struct radeon_sa_bo		*sa_bo;
783 	uint32_t			length_dw;
784 	uint64_t			gpu_addr;
785 	uint32_t			*ptr;
786 	int				ring;
787 	struct radeon_fence		*fence;
788 	struct radeon_vm		*vm;
789 	bool				is_const_ib;
790 	struct radeon_semaphore		*semaphore;
791 };
792 
793 struct radeon_ring {
794 	struct radeon_bo	*ring_obj;
795 	volatile uint32_t	*ring;
796 	unsigned		rptr_offs;
797 	unsigned		rptr_save_reg;
798 	u64			next_rptr_gpu_addr;
799 	volatile u32		*next_rptr_cpu_addr;
800 	unsigned		wptr;
801 	unsigned		wptr_old;
802 	unsigned		ring_size;
803 	unsigned		ring_free_dw;
804 	int			count_dw;
805 	atomic_t		last_rptr;
806 	atomic64_t		last_activity;
807 	uint64_t		gpu_addr;
808 	uint32_t		align_mask;
809 	uint32_t		ptr_mask;
810 	bool			ready;
811 	u32			nop;
812 	u32			idx;
813 	u64			last_semaphore_signal_addr;
814 	u64			last_semaphore_wait_addr;
815 	/* for CIK queues */
816 	u32 me;
817 	u32 pipe;
818 	u32 queue;
819 	struct radeon_bo	*mqd_obj;
820 	u32 doorbell_index;
821 	unsigned		wptr_offs;
822 };
823 
824 struct radeon_mec {
825 	struct radeon_bo	*hpd_eop_obj;
826 	u64			hpd_eop_gpu_addr;
827 	u32 num_pipe;
828 	u32 num_mec;
829 	u32 num_queue;
830 };
831 
832 /*
833  * VM
834  */
835 
836 /* maximum number of VMIDs */
837 #define RADEON_NUM_VM	16
838 
839 /* number of entries in page table */
840 #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
841 
842 /* PTBs (Page Table Blocks) need to be aligned to 32K */
843 #define RADEON_VM_PTB_ALIGN_SIZE   32768
844 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
845 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
846 
847 #define R600_PTE_VALID		(1 << 0)
848 #define R600_PTE_SYSTEM		(1 << 1)
849 #define R600_PTE_SNOOPED	(1 << 2)
850 #define R600_PTE_READABLE	(1 << 5)
851 #define R600_PTE_WRITEABLE	(1 << 6)
852 
853 /* PTE (Page Table Entry) fragment field for different page sizes */
854 #define R600_PTE_FRAG_4KB	(0 << 7)
855 #define R600_PTE_FRAG_64KB	(4 << 7)
856 #define R600_PTE_FRAG_256KB	(6 << 7)
857 
858 /* flags used for GART page table entries on R600+ */
859 #define R600_PTE_GART	( R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED \
860 			| R600_PTE_READABLE | R600_PTE_WRITEABLE)
861 
862 struct radeon_vm_pt {
863 	struct radeon_bo		*bo;
864 	uint64_t			addr;
865 };
866 
867 struct radeon_vm {
868 	struct list_head		va;
869 	unsigned			id;
870 
871 	/* contains the page directory */
872 	struct radeon_bo		*page_directory;
873 	uint64_t			pd_gpu_addr;
874 	unsigned			max_pde_used;
875 
876 	/* array of page tables, one for each page directory entry */
877 	struct radeon_vm_pt		*page_tables;
878 
879 	struct mutex			mutex;
880 	/* last fence for cs using this vm */
881 	struct radeon_fence		*fence;
882 	/* last flush or NULL if we still need to flush */
883 	struct radeon_fence		*last_flush;
884 	/* last use of vmid */
885 	struct radeon_fence		*last_id_use;
886 };
887 
888 struct radeon_vm_manager {
889 	struct radeon_fence		*active[RADEON_NUM_VM];
890 	uint32_t			max_pfn;
891 	/* number of VMIDs */
892 	unsigned			nvm;
893 	/* vram base address for page table entry  */
894 	u64				vram_base_offset;
895 	/* is vm enabled? */
896 	bool				enabled;
897 };
898 
899 /*
900  * file private structure
901  */
902 struct radeon_fpriv {
903 	struct radeon_vm		vm;
904 };
905 
906 /*
907  * R6xx+ IH ring
908  */
909 struct r600_ih {
910 	struct radeon_bo	*ring_obj;
911 	volatile uint32_t	*ring;
912 	unsigned		rptr;
913 	unsigned		ring_size;
914 	uint64_t		gpu_addr;
915 	uint32_t		ptr_mask;
916 	atomic_t		lock;
917 	bool                    enabled;
918 };
919 
920 /*
921  * RLC stuff
922  */
923 #include "clearstate_defs.h"
924 
925 struct radeon_rlc {
926 	/* for power gating */
927 	struct radeon_bo	*save_restore_obj;
928 	uint64_t		save_restore_gpu_addr;
929 	volatile uint32_t	*sr_ptr;
930 	const u32               *reg_list;
931 	u32                     reg_list_size;
932 	/* for clear state */
933 	struct radeon_bo	*clear_state_obj;
934 	uint64_t		clear_state_gpu_addr;
935 	volatile uint32_t	*cs_ptr;
936 	const struct cs_section_def   *cs_data;
937 	u32                     clear_state_size;
938 	/* for cp tables */
939 	struct radeon_bo	*cp_table_obj;
940 	uint64_t		cp_table_gpu_addr;
941 	volatile uint32_t	*cp_table_ptr;
942 	u32                     cp_table_size;
943 };
944 
945 int radeon_ib_get(struct radeon_device *rdev, int ring,
946 		  struct radeon_ib *ib, struct radeon_vm *vm,
947 		  unsigned size);
948 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
949 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
950 		       struct radeon_ib *const_ib);
951 int radeon_ib_pool_init(struct radeon_device *rdev);
952 void radeon_ib_pool_fini(struct radeon_device *rdev);
953 int radeon_ib_ring_tests(struct radeon_device *rdev);
954 /* Ring access between begin & end cannot sleep */
955 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
956 				      struct radeon_ring *ring);
957 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
958 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
959 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
960 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp);
961 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp);
962 void radeon_ring_undo(struct radeon_ring *ring);
963 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
964 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
965 void radeon_ring_lockup_update(struct radeon_device *rdev,
966 			       struct radeon_ring *ring);
967 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
968 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
969 			    uint32_t **data);
970 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
971 			unsigned size, uint32_t *data);
972 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
973 		     unsigned rptr_offs, u32 nop);
974 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
975 
976 
977 /* r600 async dma */
978 void r600_dma_stop(struct radeon_device *rdev);
979 int r600_dma_resume(struct radeon_device *rdev);
980 void r600_dma_fini(struct radeon_device *rdev);
981 
982 void cayman_dma_stop(struct radeon_device *rdev);
983 int cayman_dma_resume(struct radeon_device *rdev);
984 void cayman_dma_fini(struct radeon_device *rdev);
985 
986 /*
987  * CS.
988  */
989 struct radeon_cs_reloc {
990 	struct drm_gem_object		*gobj;
991 	struct radeon_bo		*robj;
992 	struct ttm_validate_buffer	tv;
993 	uint64_t			gpu_offset;
994 	unsigned			prefered_domains;
995 	unsigned			allowed_domains;
996 	uint32_t			tiling_flags;
997 	uint32_t			handle;
998 };
999 
1000 struct radeon_cs_chunk {
1001 	uint32_t		chunk_id;
1002 	uint32_t		length_dw;
1003 	uint32_t		*kdata;
1004 	void __user		*user_ptr;
1005 };
1006 
1007 struct radeon_cs_parser {
1008 	struct device		*dev;
1009 	struct radeon_device	*rdev;
1010 	struct drm_file		*filp;
1011 	/* chunks */
1012 	unsigned		nchunks;
1013 	struct radeon_cs_chunk	*chunks;
1014 	uint64_t		*chunks_array;
1015 	/* IB */
1016 	unsigned		idx;
1017 	/* relocations */
1018 	unsigned		nrelocs;
1019 	struct radeon_cs_reloc	*relocs;
1020 	struct radeon_cs_reloc	**relocs_ptr;
1021 	struct radeon_cs_reloc	*vm_bos;
1022 	struct list_head	validated;
1023 	unsigned		dma_reloc_idx;
1024 	/* indices of various chunks */
1025 	int			chunk_ib_idx;
1026 	int			chunk_relocs_idx;
1027 	int			chunk_flags_idx;
1028 	int			chunk_const_ib_idx;
1029 	struct radeon_ib	ib;
1030 	struct radeon_ib	const_ib;
1031 	void			*track;
1032 	unsigned		family;
1033 	int			parser_error;
1034 	u32			cs_flags;
1035 	u32			ring;
1036 	s32			priority;
1037 	struct ww_acquire_ctx	ticket;
1038 };
1039 
1040 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1041 {
1042 	struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
1043 
1044 	if (ibc->kdata)
1045 		return ibc->kdata[idx];
1046 	return p->ib.ptr[idx];
1047 }
1048 
1049 
1050 struct radeon_cs_packet {
1051 	unsigned	idx;
1052 	unsigned	type;
1053 	unsigned	reg;
1054 	unsigned	opcode;
1055 	int		count;
1056 	unsigned	one_reg_wr;
1057 };
1058 
1059 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1060 				      struct radeon_cs_packet *pkt,
1061 				      unsigned idx, unsigned reg);
1062 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
1063 				      struct radeon_cs_packet *pkt);
1064 
1065 
1066 /*
1067  * AGP
1068  */
1069 int radeon_agp_init(struct radeon_device *rdev);
1070 void radeon_agp_resume(struct radeon_device *rdev);
1071 void radeon_agp_suspend(struct radeon_device *rdev);
1072 void radeon_agp_fini(struct radeon_device *rdev);
1073 
1074 
1075 /*
1076  * Writeback
1077  */
1078 struct radeon_wb {
1079 	struct radeon_bo	*wb_obj;
1080 	volatile uint32_t	*wb;
1081 	uint64_t		gpu_addr;
1082 	bool                    enabled;
1083 	bool                    use_event;
1084 };
1085 
1086 #define RADEON_WB_SCRATCH_OFFSET 0
1087 #define RADEON_WB_RING0_NEXT_RPTR 256
1088 #define RADEON_WB_CP_RPTR_OFFSET 1024
1089 #define RADEON_WB_CP1_RPTR_OFFSET 1280
1090 #define RADEON_WB_CP2_RPTR_OFFSET 1536
1091 #define R600_WB_DMA_RPTR_OFFSET   1792
1092 #define R600_WB_IH_WPTR_OFFSET   2048
1093 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1094 #define R600_WB_EVENT_OFFSET     3072
1095 #define CIK_WB_CP1_WPTR_OFFSET     3328
1096 #define CIK_WB_CP2_WPTR_OFFSET     3584
1097 
1098 /**
1099  * struct radeon_pm - power management datas
1100  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1101  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1102  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1103  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1104  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1105  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1106  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1107  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1108  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1109  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1110  * @needed_bandwidth:   current bandwidth needs
1111  *
1112  * It keeps track of various data needed to take powermanagement decision.
1113  * Bandwidth need is used to determine minimun clock of the GPU and memory.
1114  * Equation between gpu/memory clock and available bandwidth is hw dependent
1115  * (type of memory, bus size, efficiency, ...)
1116  */
1117 
1118 enum radeon_pm_method {
1119 	PM_METHOD_PROFILE,
1120 	PM_METHOD_DYNPM,
1121 	PM_METHOD_DPM,
1122 };
1123 
1124 enum radeon_dynpm_state {
1125 	DYNPM_STATE_DISABLED,
1126 	DYNPM_STATE_MINIMUM,
1127 	DYNPM_STATE_PAUSED,
1128 	DYNPM_STATE_ACTIVE,
1129 	DYNPM_STATE_SUSPENDED,
1130 };
1131 enum radeon_dynpm_action {
1132 	DYNPM_ACTION_NONE,
1133 	DYNPM_ACTION_MINIMUM,
1134 	DYNPM_ACTION_DOWNCLOCK,
1135 	DYNPM_ACTION_UPCLOCK,
1136 	DYNPM_ACTION_DEFAULT
1137 };
1138 
1139 enum radeon_voltage_type {
1140 	VOLTAGE_NONE = 0,
1141 	VOLTAGE_GPIO,
1142 	VOLTAGE_VDDC,
1143 	VOLTAGE_SW
1144 };
1145 
1146 enum radeon_pm_state_type {
1147 	/* not used for dpm */
1148 	POWER_STATE_TYPE_DEFAULT,
1149 	POWER_STATE_TYPE_POWERSAVE,
1150 	/* user selectable states */
1151 	POWER_STATE_TYPE_BATTERY,
1152 	POWER_STATE_TYPE_BALANCED,
1153 	POWER_STATE_TYPE_PERFORMANCE,
1154 	/* internal states */
1155 	POWER_STATE_TYPE_INTERNAL_UVD,
1156 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1157 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1158 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1159 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1160 	POWER_STATE_TYPE_INTERNAL_BOOT,
1161 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1162 	POWER_STATE_TYPE_INTERNAL_ACPI,
1163 	POWER_STATE_TYPE_INTERNAL_ULV,
1164 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1165 };
1166 
1167 enum radeon_pm_profile_type {
1168 	PM_PROFILE_DEFAULT,
1169 	PM_PROFILE_AUTO,
1170 	PM_PROFILE_LOW,
1171 	PM_PROFILE_MID,
1172 	PM_PROFILE_HIGH,
1173 };
1174 
1175 #define PM_PROFILE_DEFAULT_IDX 0
1176 #define PM_PROFILE_LOW_SH_IDX  1
1177 #define PM_PROFILE_MID_SH_IDX  2
1178 #define PM_PROFILE_HIGH_SH_IDX 3
1179 #define PM_PROFILE_LOW_MH_IDX  4
1180 #define PM_PROFILE_MID_MH_IDX  5
1181 #define PM_PROFILE_HIGH_MH_IDX 6
1182 #define PM_PROFILE_MAX         7
1183 
1184 struct radeon_pm_profile {
1185 	int dpms_off_ps_idx;
1186 	int dpms_on_ps_idx;
1187 	int dpms_off_cm_idx;
1188 	int dpms_on_cm_idx;
1189 };
1190 
1191 enum radeon_int_thermal_type {
1192 	THERMAL_TYPE_NONE,
1193 	THERMAL_TYPE_EXTERNAL,
1194 	THERMAL_TYPE_EXTERNAL_GPIO,
1195 	THERMAL_TYPE_RV6XX,
1196 	THERMAL_TYPE_RV770,
1197 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1198 	THERMAL_TYPE_EVERGREEN,
1199 	THERMAL_TYPE_SUMO,
1200 	THERMAL_TYPE_NI,
1201 	THERMAL_TYPE_SI,
1202 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1203 	THERMAL_TYPE_CI,
1204 	THERMAL_TYPE_KV,
1205 };
1206 
1207 struct radeon_voltage {
1208 	enum radeon_voltage_type type;
1209 	/* gpio voltage */
1210 	struct radeon_gpio_rec gpio;
1211 	u32 delay; /* delay in usec from voltage drop to sclk change */
1212 	bool active_high; /* voltage drop is active when bit is high */
1213 	/* VDDC voltage */
1214 	u8 vddc_id; /* index into vddc voltage table */
1215 	u8 vddci_id; /* index into vddci voltage table */
1216 	bool vddci_enabled;
1217 	/* r6xx+ sw */
1218 	u16 voltage;
1219 	/* evergreen+ vddci */
1220 	u16 vddci;
1221 };
1222 
1223 /* clock mode flags */
1224 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1225 
1226 struct radeon_pm_clock_info {
1227 	/* memory clock */
1228 	u32 mclk;
1229 	/* engine clock */
1230 	u32 sclk;
1231 	/* voltage info */
1232 	struct radeon_voltage voltage;
1233 	/* standardized clock flags */
1234 	u32 flags;
1235 };
1236 
1237 /* state flags */
1238 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1239 
1240 struct radeon_power_state {
1241 	enum radeon_pm_state_type type;
1242 	struct radeon_pm_clock_info *clock_info;
1243 	/* number of valid clock modes in this power state */
1244 	int num_clock_modes;
1245 	struct radeon_pm_clock_info *default_clock_mode;
1246 	/* standardized state flags */
1247 	u32 flags;
1248 	u32 misc; /* vbios specific flags */
1249 	u32 misc2; /* vbios specific flags */
1250 	int pcie_lanes; /* pcie lanes */
1251 };
1252 
1253 /*
1254  * Some modes are overclocked by very low value, accept them
1255  */
1256 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1257 
1258 enum radeon_dpm_auto_throttle_src {
1259 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1260 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1261 };
1262 
1263 enum radeon_dpm_event_src {
1264 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1265 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1266 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1267 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1268 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1269 };
1270 
1271 #define RADEON_MAX_VCE_LEVELS 6
1272 
1273 enum radeon_vce_level {
1274 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1275 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1276 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1277 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1278 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1279 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1280 };
1281 
1282 struct radeon_ps {
1283 	u32 caps; /* vbios flags */
1284 	u32 class; /* vbios flags */
1285 	u32 class2; /* vbios flags */
1286 	/* UVD clocks */
1287 	u32 vclk;
1288 	u32 dclk;
1289 	/* VCE clocks */
1290 	u32 evclk;
1291 	u32 ecclk;
1292 	bool vce_active;
1293 	enum radeon_vce_level vce_level;
1294 	/* asic priv */
1295 	void *ps_priv;
1296 };
1297 
1298 struct radeon_dpm_thermal {
1299 	/* thermal interrupt work */
1300 	struct work_struct work;
1301 	/* low temperature threshold */
1302 	int                min_temp;
1303 	/* high temperature threshold */
1304 	int                max_temp;
1305 	/* was interrupt low to high or high to low */
1306 	bool               high_to_low;
1307 };
1308 
1309 enum radeon_clk_action
1310 {
1311 	RADEON_SCLK_UP = 1,
1312 	RADEON_SCLK_DOWN
1313 };
1314 
1315 struct radeon_blacklist_clocks
1316 {
1317 	u32 sclk;
1318 	u32 mclk;
1319 	enum radeon_clk_action action;
1320 };
1321 
1322 struct radeon_clock_and_voltage_limits {
1323 	u32 sclk;
1324 	u32 mclk;
1325 	u16 vddc;
1326 	u16 vddci;
1327 };
1328 
1329 struct radeon_clock_array {
1330 	u32 count;
1331 	u32 *values;
1332 };
1333 
1334 struct radeon_clock_voltage_dependency_entry {
1335 	u32 clk;
1336 	u16 v;
1337 };
1338 
1339 struct radeon_clock_voltage_dependency_table {
1340 	u32 count;
1341 	struct radeon_clock_voltage_dependency_entry *entries;
1342 };
1343 
1344 union radeon_cac_leakage_entry {
1345 	struct {
1346 		u16 vddc;
1347 		u32 leakage;
1348 	};
1349 	struct {
1350 		u16 vddc1;
1351 		u16 vddc2;
1352 		u16 vddc3;
1353 	};
1354 };
1355 
1356 struct radeon_cac_leakage_table {
1357 	u32 count;
1358 	union radeon_cac_leakage_entry *entries;
1359 };
1360 
1361 struct radeon_phase_shedding_limits_entry {
1362 	u16 voltage;
1363 	u32 sclk;
1364 	u32 mclk;
1365 };
1366 
1367 struct radeon_phase_shedding_limits_table {
1368 	u32 count;
1369 	struct radeon_phase_shedding_limits_entry *entries;
1370 };
1371 
1372 struct radeon_uvd_clock_voltage_dependency_entry {
1373 	u32 vclk;
1374 	u32 dclk;
1375 	u16 v;
1376 };
1377 
1378 struct radeon_uvd_clock_voltage_dependency_table {
1379 	u8 count;
1380 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1381 };
1382 
1383 struct radeon_vce_clock_voltage_dependency_entry {
1384 	u32 ecclk;
1385 	u32 evclk;
1386 	u16 v;
1387 };
1388 
1389 struct radeon_vce_clock_voltage_dependency_table {
1390 	u8 count;
1391 	struct radeon_vce_clock_voltage_dependency_entry *entries;
1392 };
1393 
1394 struct radeon_ppm_table {
1395 	u8 ppm_design;
1396 	u16 cpu_core_number;
1397 	u32 platform_tdp;
1398 	u32 small_ac_platform_tdp;
1399 	u32 platform_tdc;
1400 	u32 small_ac_platform_tdc;
1401 	u32 apu_tdp;
1402 	u32 dgpu_tdp;
1403 	u32 dgpu_ulv_power;
1404 	u32 tj_max;
1405 };
1406 
1407 struct radeon_cac_tdp_table {
1408 	u16 tdp;
1409 	u16 configurable_tdp;
1410 	u16 tdc;
1411 	u16 battery_power_limit;
1412 	u16 small_power_limit;
1413 	u16 low_cac_leakage;
1414 	u16 high_cac_leakage;
1415 	u16 maximum_power_delivery_limit;
1416 };
1417 
1418 struct radeon_dpm_dynamic_state {
1419 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1420 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1421 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1422 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1423 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1424 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1425 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1426 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1427 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1428 	struct radeon_clock_array valid_sclk_values;
1429 	struct radeon_clock_array valid_mclk_values;
1430 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1431 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1432 	u32 mclk_sclk_ratio;
1433 	u32 sclk_mclk_delta;
1434 	u16 vddc_vddci_delta;
1435 	u16 min_vddc_for_pcie_gen2;
1436 	struct radeon_cac_leakage_table cac_leakage_table;
1437 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1438 	struct radeon_ppm_table *ppm_table;
1439 	struct radeon_cac_tdp_table *cac_tdp_table;
1440 };
1441 
1442 struct radeon_dpm_fan {
1443 	u16 t_min;
1444 	u16 t_med;
1445 	u16 t_high;
1446 	u16 pwm_min;
1447 	u16 pwm_med;
1448 	u16 pwm_high;
1449 	u8 t_hyst;
1450 	u32 cycle_delay;
1451 	u16 t_max;
1452 	bool ucode_fan_control;
1453 };
1454 
1455 enum radeon_pcie_gen {
1456 	RADEON_PCIE_GEN1 = 0,
1457 	RADEON_PCIE_GEN2 = 1,
1458 	RADEON_PCIE_GEN3 = 2,
1459 	RADEON_PCIE_GEN_INVALID = 0xffff
1460 };
1461 
1462 enum radeon_dpm_forced_level {
1463 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1464 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1465 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1466 };
1467 
1468 struct radeon_vce_state {
1469 	/* vce clocks */
1470 	u32 evclk;
1471 	u32 ecclk;
1472 	/* gpu clocks */
1473 	u32 sclk;
1474 	u32 mclk;
1475 	u8 clk_idx;
1476 	u8 pstate;
1477 };
1478 
1479 struct radeon_dpm {
1480 	struct radeon_ps        *ps;
1481 	/* number of valid power states */
1482 	int                     num_ps;
1483 	/* current power state that is active */
1484 	struct radeon_ps        *current_ps;
1485 	/* requested power state */
1486 	struct radeon_ps        *requested_ps;
1487 	/* boot up power state */
1488 	struct radeon_ps        *boot_ps;
1489 	/* default uvd power state */
1490 	struct radeon_ps        *uvd_ps;
1491 	/* vce requirements */
1492 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1493 	enum radeon_vce_level vce_level;
1494 	enum radeon_pm_state_type state;
1495 	enum radeon_pm_state_type user_state;
1496 	u32                     platform_caps;
1497 	u32                     voltage_response_time;
1498 	u32                     backbias_response_time;
1499 	void                    *priv;
1500 	u32			new_active_crtcs;
1501 	int			new_active_crtc_count;
1502 	u32			current_active_crtcs;
1503 	int			current_active_crtc_count;
1504 	struct radeon_dpm_dynamic_state dyn_state;
1505 	struct radeon_dpm_fan fan;
1506 	u32 tdp_limit;
1507 	u32 near_tdp_limit;
1508 	u32 near_tdp_limit_adjusted;
1509 	u32 sq_ramping_threshold;
1510 	u32 cac_leakage;
1511 	u16 tdp_od_limit;
1512 	u32 tdp_adjustment;
1513 	u16 load_line_slope;
1514 	bool power_control;
1515 	bool ac_power;
1516 	/* special states active */
1517 	bool                    thermal_active;
1518 	bool                    uvd_active;
1519 	bool                    vce_active;
1520 	/* thermal handling */
1521 	struct radeon_dpm_thermal thermal;
1522 	/* forced levels */
1523 	enum radeon_dpm_forced_level forced_level;
1524 	/* track UVD streams */
1525 	unsigned sd;
1526 	unsigned hd;
1527 };
1528 
1529 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1530 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1531 
1532 struct radeon_pm {
1533 	struct mutex		mutex;
1534 	/* write locked while reprogramming mclk */
1535 	struct rw_semaphore	mclk_lock;
1536 	u32			active_crtcs;
1537 	int			active_crtc_count;
1538 	int			req_vblank;
1539 	bool			vblank_sync;
1540 	fixed20_12		max_bandwidth;
1541 	fixed20_12		igp_sideport_mclk;
1542 	fixed20_12		igp_system_mclk;
1543 	fixed20_12		igp_ht_link_clk;
1544 	fixed20_12		igp_ht_link_width;
1545 	fixed20_12		k8_bandwidth;
1546 	fixed20_12		sideport_bandwidth;
1547 	fixed20_12		ht_bandwidth;
1548 	fixed20_12		core_bandwidth;
1549 	fixed20_12		sclk;
1550 	fixed20_12		mclk;
1551 	fixed20_12		needed_bandwidth;
1552 	struct radeon_power_state *power_state;
1553 	/* number of valid power states */
1554 	int                     num_power_states;
1555 	int                     current_power_state_index;
1556 	int                     current_clock_mode_index;
1557 	int                     requested_power_state_index;
1558 	int                     requested_clock_mode_index;
1559 	int                     default_power_state_index;
1560 	u32                     current_sclk;
1561 	u32                     current_mclk;
1562 	u16                     current_vddc;
1563 	u16                     current_vddci;
1564 	u32                     default_sclk;
1565 	u32                     default_mclk;
1566 	u16                     default_vddc;
1567 	u16                     default_vddci;
1568 	struct radeon_i2c_chan *i2c_bus;
1569 	/* selected pm method */
1570 	enum radeon_pm_method     pm_method;
1571 	/* dynpm power management */
1572 	struct delayed_work	dynpm_idle_work;
1573 	enum radeon_dynpm_state	dynpm_state;
1574 	enum radeon_dynpm_action	dynpm_planned_action;
1575 	unsigned long		dynpm_action_timeout;
1576 	bool                    dynpm_can_upclock;
1577 	bool                    dynpm_can_downclock;
1578 	/* profile-based power management */
1579 	enum radeon_pm_profile_type profile;
1580 	int                     profile_index;
1581 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1582 	/* internal thermal controller on rv6xx+ */
1583 	enum radeon_int_thermal_type int_thermal_type;
1584 	struct device	        *int_hwmon_dev;
1585 	/* dpm */
1586 	bool                    dpm_enabled;
1587 	struct radeon_dpm       dpm;
1588 };
1589 
1590 int radeon_pm_get_type_index(struct radeon_device *rdev,
1591 			     enum radeon_pm_state_type ps_type,
1592 			     int instance);
1593 /*
1594  * UVD
1595  */
1596 #define RADEON_MAX_UVD_HANDLES	10
1597 #define RADEON_UVD_STACK_SIZE	(1024*1024)
1598 #define RADEON_UVD_HEAP_SIZE	(1024*1024)
1599 
1600 struct radeon_uvd {
1601 	struct radeon_bo	*vcpu_bo;
1602 	void			*cpu_addr;
1603 	uint64_t		gpu_addr;
1604 	void			*saved_bo;
1605 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1606 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1607 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1608 	struct delayed_work	idle_work;
1609 };
1610 
1611 int radeon_uvd_init(struct radeon_device *rdev);
1612 void radeon_uvd_fini(struct radeon_device *rdev);
1613 int radeon_uvd_suspend(struct radeon_device *rdev);
1614 int radeon_uvd_resume(struct radeon_device *rdev);
1615 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1616 			      uint32_t handle, struct radeon_fence **fence);
1617 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1618 			       uint32_t handle, struct radeon_fence **fence);
1619 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo);
1620 void radeon_uvd_free_handles(struct radeon_device *rdev,
1621 			     struct drm_file *filp);
1622 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1623 void radeon_uvd_note_usage(struct radeon_device *rdev);
1624 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1625 				  unsigned vclk, unsigned dclk,
1626 				  unsigned vco_min, unsigned vco_max,
1627 				  unsigned fb_factor, unsigned fb_mask,
1628 				  unsigned pd_min, unsigned pd_max,
1629 				  unsigned pd_even,
1630 				  unsigned *optimal_fb_div,
1631 				  unsigned *optimal_vclk_div,
1632 				  unsigned *optimal_dclk_div);
1633 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1634                                 unsigned cg_upll_func_cntl);
1635 
1636 /*
1637  * VCE
1638  */
1639 #define RADEON_MAX_VCE_HANDLES	16
1640 #define RADEON_VCE_STACK_SIZE	(1024*1024)
1641 #define RADEON_VCE_HEAP_SIZE	(4*1024*1024)
1642 
1643 struct radeon_vce {
1644 	struct radeon_bo	*vcpu_bo;
1645 	uint64_t		gpu_addr;
1646 	unsigned		fw_version;
1647 	unsigned		fb_version;
1648 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1649 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1650 	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
1651 	struct delayed_work	idle_work;
1652 };
1653 
1654 int radeon_vce_init(struct radeon_device *rdev);
1655 void radeon_vce_fini(struct radeon_device *rdev);
1656 int radeon_vce_suspend(struct radeon_device *rdev);
1657 int radeon_vce_resume(struct radeon_device *rdev);
1658 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1659 			      uint32_t handle, struct radeon_fence **fence);
1660 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1661 			       uint32_t handle, struct radeon_fence **fence);
1662 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1663 void radeon_vce_note_usage(struct radeon_device *rdev);
1664 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
1665 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1666 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1667 			       struct radeon_ring *ring,
1668 			       struct radeon_semaphore *semaphore,
1669 			       bool emit_wait);
1670 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1671 void radeon_vce_fence_emit(struct radeon_device *rdev,
1672 			   struct radeon_fence *fence);
1673 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1674 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1675 
1676 struct r600_audio_pin {
1677 	int			channels;
1678 	int			rate;
1679 	int			bits_per_sample;
1680 	u8			status_bits;
1681 	u8			category_code;
1682 	u32			offset;
1683 	bool			connected;
1684 	u32			id;
1685 };
1686 
1687 struct r600_audio {
1688 	bool enabled;
1689 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1690 	int num_pins;
1691 };
1692 
1693 /*
1694  * Benchmarking
1695  */
1696 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1697 
1698 
1699 /*
1700  * Testing
1701  */
1702 void radeon_test_moves(struct radeon_device *rdev);
1703 void radeon_test_ring_sync(struct radeon_device *rdev,
1704 			   struct radeon_ring *cpA,
1705 			   struct radeon_ring *cpB);
1706 void radeon_test_syncing(struct radeon_device *rdev);
1707 
1708 
1709 /*
1710  * Debugfs
1711  */
1712 struct radeon_debugfs {
1713 	struct drm_info_list	*files;
1714 	unsigned		num_files;
1715 };
1716 
1717 int radeon_debugfs_add_files(struct radeon_device *rdev,
1718 			     struct drm_info_list *files,
1719 			     unsigned nfiles);
1720 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1721 
1722 /*
1723  * ASIC ring specific functions.
1724  */
1725 struct radeon_asic_ring {
1726 	/* ring read/write ptr handling */
1727 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1728 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1729 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1730 
1731 	/* validating and patching of IBs */
1732 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1733 	int (*cs_parse)(struct radeon_cs_parser *p);
1734 
1735 	/* command emmit functions */
1736 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1737 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1738 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1739 			       struct radeon_semaphore *semaphore, bool emit_wait);
1740 	void (*vm_flush)(struct radeon_device *rdev, int ridx, struct radeon_vm *vm);
1741 
1742 	/* testing functions */
1743 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1744 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1745 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1746 
1747 	/* deprecated */
1748 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1749 };
1750 
1751 /*
1752  * ASIC specific functions.
1753  */
1754 struct radeon_asic {
1755 	int (*init)(struct radeon_device *rdev);
1756 	void (*fini)(struct radeon_device *rdev);
1757 	int (*resume)(struct radeon_device *rdev);
1758 	int (*suspend)(struct radeon_device *rdev);
1759 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1760 	int (*asic_reset)(struct radeon_device *rdev);
1761 	/* ioctl hw specific callback. Some hw might want to perform special
1762 	 * operation on specific ioctl. For instance on wait idle some hw
1763 	 * might want to perform and HDP flush through MMIO as it seems that
1764 	 * some R6XX/R7XX hw doesn't take HDP flush into account if programmed
1765 	 * through ring.
1766 	 */
1767 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
1768 	/* check if 3D engine is idle */
1769 	bool (*gui_idle)(struct radeon_device *rdev);
1770 	/* wait for mc_idle */
1771 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1772 	/* get the reference clock */
1773 	u32 (*get_xclk)(struct radeon_device *rdev);
1774 	/* get the gpu clock counter */
1775 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1776 	/* gart */
1777 	struct {
1778 		void (*tlb_flush)(struct radeon_device *rdev);
1779 		void (*set_page)(struct radeon_device *rdev, unsigned i,
1780 				 uint64_t addr);
1781 	} gart;
1782 	struct {
1783 		int (*init)(struct radeon_device *rdev);
1784 		void (*fini)(struct radeon_device *rdev);
1785 		void (*set_page)(struct radeon_device *rdev,
1786 				 struct radeon_ib *ib,
1787 				 uint64_t pe,
1788 				 uint64_t addr, unsigned count,
1789 				 uint32_t incr, uint32_t flags);
1790 	} vm;
1791 	/* ring specific callbacks */
1792 	struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1793 	/* irqs */
1794 	struct {
1795 		int (*set)(struct radeon_device *rdev);
1796 		int (*process)(struct radeon_device *rdev);
1797 	} irq;
1798 	/* displays */
1799 	struct {
1800 		/* display watermarks */
1801 		void (*bandwidth_update)(struct radeon_device *rdev);
1802 		/* get frame count */
1803 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1804 		/* wait for vblank */
1805 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1806 		/* set backlight level */
1807 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1808 		/* get backlight level */
1809 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1810 		/* audio callbacks */
1811 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1812 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1813 	} display;
1814 	/* copy functions for bo handling */
1815 	struct {
1816 		int (*blit)(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 		u32 blit_ring_index;
1822 		int (*dma)(struct radeon_device *rdev,
1823 			   uint64_t src_offset,
1824 			   uint64_t dst_offset,
1825 			   unsigned num_gpu_pages,
1826 			   struct radeon_fence **fence);
1827 		u32 dma_ring_index;
1828 		/* method used for bo copy */
1829 		int (*copy)(struct radeon_device *rdev,
1830 			    uint64_t src_offset,
1831 			    uint64_t dst_offset,
1832 			    unsigned num_gpu_pages,
1833 			    struct radeon_fence **fence);
1834 		/* ring used for bo copies */
1835 		u32 copy_ring_index;
1836 	} copy;
1837 	/* surfaces */
1838 	struct {
1839 		int (*set_reg)(struct radeon_device *rdev, int reg,
1840 				       uint32_t tiling_flags, uint32_t pitch,
1841 				       uint32_t offset, uint32_t obj_size);
1842 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1843 	} surface;
1844 	/* hotplug detect */
1845 	struct {
1846 		void (*init)(struct radeon_device *rdev);
1847 		void (*fini)(struct radeon_device *rdev);
1848 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1849 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1850 	} hpd;
1851 	/* static power management */
1852 	struct {
1853 		void (*misc)(struct radeon_device *rdev);
1854 		void (*prepare)(struct radeon_device *rdev);
1855 		void (*finish)(struct radeon_device *rdev);
1856 		void (*init_profile)(struct radeon_device *rdev);
1857 		void (*get_dynpm_state)(struct radeon_device *rdev);
1858 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1859 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1860 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1861 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1862 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1863 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1864 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1865 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1866 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1867 		int (*get_temperature)(struct radeon_device *rdev);
1868 	} pm;
1869 	/* dynamic power management */
1870 	struct {
1871 		int (*init)(struct radeon_device *rdev);
1872 		void (*setup_asic)(struct radeon_device *rdev);
1873 		int (*enable)(struct radeon_device *rdev);
1874 		int (*late_enable)(struct radeon_device *rdev);
1875 		void (*disable)(struct radeon_device *rdev);
1876 		int (*pre_set_power_state)(struct radeon_device *rdev);
1877 		int (*set_power_state)(struct radeon_device *rdev);
1878 		void (*post_set_power_state)(struct radeon_device *rdev);
1879 		void (*display_configuration_changed)(struct radeon_device *rdev);
1880 		void (*fini)(struct radeon_device *rdev);
1881 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1882 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1883 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1884 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1885 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1886 		bool (*vblank_too_short)(struct radeon_device *rdev);
1887 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1888 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1889 	} dpm;
1890 	/* pageflipping */
1891 	struct {
1892 		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1893 		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
1894 	} pflip;
1895 };
1896 
1897 /*
1898  * Asic structures
1899  */
1900 struct r100_asic {
1901 	const unsigned		*reg_safe_bm;
1902 	unsigned		reg_safe_bm_size;
1903 	u32			hdp_cntl;
1904 };
1905 
1906 struct r300_asic {
1907 	const unsigned		*reg_safe_bm;
1908 	unsigned		reg_safe_bm_size;
1909 	u32			resync_scratch;
1910 	u32			hdp_cntl;
1911 };
1912 
1913 struct r600_asic {
1914 	unsigned		max_pipes;
1915 	unsigned		max_tile_pipes;
1916 	unsigned		max_simds;
1917 	unsigned		max_backends;
1918 	unsigned		max_gprs;
1919 	unsigned		max_threads;
1920 	unsigned		max_stack_entries;
1921 	unsigned		max_hw_contexts;
1922 	unsigned		max_gs_threads;
1923 	unsigned		sx_max_export_size;
1924 	unsigned		sx_max_export_pos_size;
1925 	unsigned		sx_max_export_smx_size;
1926 	unsigned		sq_num_cf_insts;
1927 	unsigned		tiling_nbanks;
1928 	unsigned		tiling_npipes;
1929 	unsigned		tiling_group_size;
1930 	unsigned		tile_config;
1931 	unsigned		backend_map;
1932 	unsigned		active_simds;
1933 };
1934 
1935 struct rv770_asic {
1936 	unsigned		max_pipes;
1937 	unsigned		max_tile_pipes;
1938 	unsigned		max_simds;
1939 	unsigned		max_backends;
1940 	unsigned		max_gprs;
1941 	unsigned		max_threads;
1942 	unsigned		max_stack_entries;
1943 	unsigned		max_hw_contexts;
1944 	unsigned		max_gs_threads;
1945 	unsigned		sx_max_export_size;
1946 	unsigned		sx_max_export_pos_size;
1947 	unsigned		sx_max_export_smx_size;
1948 	unsigned		sq_num_cf_insts;
1949 	unsigned		sx_num_of_sets;
1950 	unsigned		sc_prim_fifo_size;
1951 	unsigned		sc_hiz_tile_fifo_size;
1952 	unsigned		sc_earlyz_tile_fifo_fize;
1953 	unsigned		tiling_nbanks;
1954 	unsigned		tiling_npipes;
1955 	unsigned		tiling_group_size;
1956 	unsigned		tile_config;
1957 	unsigned		backend_map;
1958 	unsigned		active_simds;
1959 };
1960 
1961 struct evergreen_asic {
1962 	unsigned num_ses;
1963 	unsigned max_pipes;
1964 	unsigned max_tile_pipes;
1965 	unsigned max_simds;
1966 	unsigned max_backends;
1967 	unsigned max_gprs;
1968 	unsigned max_threads;
1969 	unsigned max_stack_entries;
1970 	unsigned max_hw_contexts;
1971 	unsigned max_gs_threads;
1972 	unsigned sx_max_export_size;
1973 	unsigned sx_max_export_pos_size;
1974 	unsigned sx_max_export_smx_size;
1975 	unsigned sq_num_cf_insts;
1976 	unsigned sx_num_of_sets;
1977 	unsigned sc_prim_fifo_size;
1978 	unsigned sc_hiz_tile_fifo_size;
1979 	unsigned sc_earlyz_tile_fifo_size;
1980 	unsigned tiling_nbanks;
1981 	unsigned tiling_npipes;
1982 	unsigned tiling_group_size;
1983 	unsigned tile_config;
1984 	unsigned backend_map;
1985 	unsigned active_simds;
1986 };
1987 
1988 struct cayman_asic {
1989 	unsigned max_shader_engines;
1990 	unsigned max_pipes_per_simd;
1991 	unsigned max_tile_pipes;
1992 	unsigned max_simds_per_se;
1993 	unsigned max_backends_per_se;
1994 	unsigned max_texture_channel_caches;
1995 	unsigned max_gprs;
1996 	unsigned max_threads;
1997 	unsigned max_gs_threads;
1998 	unsigned max_stack_entries;
1999 	unsigned sx_num_of_sets;
2000 	unsigned sx_max_export_size;
2001 	unsigned sx_max_export_pos_size;
2002 	unsigned sx_max_export_smx_size;
2003 	unsigned max_hw_contexts;
2004 	unsigned sq_num_cf_insts;
2005 	unsigned sc_prim_fifo_size;
2006 	unsigned sc_hiz_tile_fifo_size;
2007 	unsigned sc_earlyz_tile_fifo_size;
2008 
2009 	unsigned num_shader_engines;
2010 	unsigned num_shader_pipes_per_simd;
2011 	unsigned num_tile_pipes;
2012 	unsigned num_simds_per_se;
2013 	unsigned num_backends_per_se;
2014 	unsigned backend_disable_mask_per_asic;
2015 	unsigned backend_map;
2016 	unsigned num_texture_channel_caches;
2017 	unsigned mem_max_burst_length_bytes;
2018 	unsigned mem_row_size_in_kb;
2019 	unsigned shader_engine_tile_size;
2020 	unsigned num_gpus;
2021 	unsigned multi_gpu_tile_size;
2022 
2023 	unsigned tile_config;
2024 	unsigned active_simds;
2025 };
2026 
2027 struct si_asic {
2028 	unsigned max_shader_engines;
2029 	unsigned max_tile_pipes;
2030 	unsigned max_cu_per_sh;
2031 	unsigned max_sh_per_se;
2032 	unsigned max_backends_per_se;
2033 	unsigned max_texture_channel_caches;
2034 	unsigned max_gprs;
2035 	unsigned max_gs_threads;
2036 	unsigned max_hw_contexts;
2037 	unsigned sc_prim_fifo_size_frontend;
2038 	unsigned sc_prim_fifo_size_backend;
2039 	unsigned sc_hiz_tile_fifo_size;
2040 	unsigned sc_earlyz_tile_fifo_size;
2041 
2042 	unsigned num_tile_pipes;
2043 	unsigned backend_enable_mask;
2044 	unsigned backend_disable_mask_per_asic;
2045 	unsigned backend_map;
2046 	unsigned num_texture_channel_caches;
2047 	unsigned mem_max_burst_length_bytes;
2048 	unsigned mem_row_size_in_kb;
2049 	unsigned shader_engine_tile_size;
2050 	unsigned num_gpus;
2051 	unsigned multi_gpu_tile_size;
2052 
2053 	unsigned tile_config;
2054 	uint32_t tile_mode_array[32];
2055 	uint32_t active_cus;
2056 };
2057 
2058 struct cik_asic {
2059 	unsigned max_shader_engines;
2060 	unsigned max_tile_pipes;
2061 	unsigned max_cu_per_sh;
2062 	unsigned max_sh_per_se;
2063 	unsigned max_backends_per_se;
2064 	unsigned max_texture_channel_caches;
2065 	unsigned max_gprs;
2066 	unsigned max_gs_threads;
2067 	unsigned max_hw_contexts;
2068 	unsigned sc_prim_fifo_size_frontend;
2069 	unsigned sc_prim_fifo_size_backend;
2070 	unsigned sc_hiz_tile_fifo_size;
2071 	unsigned sc_earlyz_tile_fifo_size;
2072 
2073 	unsigned num_tile_pipes;
2074 	unsigned backend_enable_mask;
2075 	unsigned backend_disable_mask_per_asic;
2076 	unsigned backend_map;
2077 	unsigned num_texture_channel_caches;
2078 	unsigned mem_max_burst_length_bytes;
2079 	unsigned mem_row_size_in_kb;
2080 	unsigned shader_engine_tile_size;
2081 	unsigned num_gpus;
2082 	unsigned multi_gpu_tile_size;
2083 
2084 	unsigned tile_config;
2085 	uint32_t tile_mode_array[32];
2086 	uint32_t macrotile_mode_array[16];
2087 	uint32_t active_cus;
2088 };
2089 
2090 union radeon_asic_config {
2091 	struct r300_asic	r300;
2092 	struct r100_asic	r100;
2093 	struct r600_asic	r600;
2094 	struct rv770_asic	rv770;
2095 	struct evergreen_asic	evergreen;
2096 	struct cayman_asic	cayman;
2097 	struct si_asic		si;
2098 	struct cik_asic		cik;
2099 };
2100 
2101 /*
2102  * asic initizalization from radeon_asic.c
2103  */
2104 void radeon_agp_disable(struct radeon_device *rdev);
2105 int radeon_asic_init(struct radeon_device *rdev);
2106 
2107 
2108 /*
2109  * IOCTL.
2110  */
2111 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2112 			  struct drm_file *filp);
2113 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2114 			    struct drm_file *filp);
2115 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2116 			 struct drm_file *file_priv);
2117 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2118 			   struct drm_file *file_priv);
2119 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
2120 			    struct drm_file *file_priv);
2121 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
2122 			   struct drm_file *file_priv);
2123 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2124 				struct drm_file *filp);
2125 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2126 			  struct drm_file *filp);
2127 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2128 			  struct drm_file *filp);
2129 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2130 			      struct drm_file *filp);
2131 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2132 			  struct drm_file *filp);
2133 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2134 			struct drm_file *filp);
2135 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2136 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2137 				struct drm_file *filp);
2138 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2139 				struct drm_file *filp);
2140 
2141 /* VRAM scratch page for HDP bug, default vram page */
2142 struct r600_vram_scratch {
2143 	struct radeon_bo		*robj;
2144 	volatile uint32_t		*ptr;
2145 	u64				gpu_addr;
2146 };
2147 
2148 /*
2149  * ACPI
2150  */
2151 struct radeon_atif_notification_cfg {
2152 	bool enabled;
2153 	int command_code;
2154 };
2155 
2156 struct radeon_atif_notifications {
2157 	bool display_switch;
2158 	bool expansion_mode_change;
2159 	bool thermal_state;
2160 	bool forced_power_state;
2161 	bool system_power_state;
2162 	bool display_conf_change;
2163 	bool px_gfx_switch;
2164 	bool brightness_change;
2165 	bool dgpu_display_event;
2166 };
2167 
2168 struct radeon_atif_functions {
2169 	bool system_params;
2170 	bool sbios_requests;
2171 	bool select_active_disp;
2172 	bool lid_state;
2173 	bool get_tv_standard;
2174 	bool set_tv_standard;
2175 	bool get_panel_expansion_mode;
2176 	bool set_panel_expansion_mode;
2177 	bool temperature_change;
2178 	bool graphics_device_types;
2179 };
2180 
2181 struct radeon_atif {
2182 	struct radeon_atif_notifications notifications;
2183 	struct radeon_atif_functions functions;
2184 	struct radeon_atif_notification_cfg notification_cfg;
2185 	struct radeon_encoder *encoder_for_bl;
2186 };
2187 
2188 struct radeon_atcs_functions {
2189 	bool get_ext_state;
2190 	bool pcie_perf_req;
2191 	bool pcie_dev_rdy;
2192 	bool pcie_bus_width;
2193 };
2194 
2195 struct radeon_atcs {
2196 	struct radeon_atcs_functions functions;
2197 };
2198 
2199 /*
2200  * Core structure, functions and helpers.
2201  */
2202 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2203 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2204 
2205 struct radeon_device {
2206 	struct device			*dev;
2207 	struct drm_device		*ddev;
2208 	struct pci_dev			*pdev;
2209 	struct rw_semaphore		exclusive_lock;
2210 	/* ASIC */
2211 	union radeon_asic_config	config;
2212 	enum radeon_family		family;
2213 	unsigned long			flags;
2214 	int				usec_timeout;
2215 	enum radeon_pll_errata		pll_errata;
2216 	int				num_gb_pipes;
2217 	int				num_z_pipes;
2218 	int				disp_priority;
2219 	/* BIOS */
2220 	uint8_t				*bios;
2221 	bool				is_atom_bios;
2222 	uint16_t			bios_header_start;
2223 	struct radeon_bo		*stollen_vga_memory;
2224 	/* Register mmio */
2225 	resource_size_t			rmmio_base;
2226 	resource_size_t			rmmio_size;
2227 	/* protects concurrent MM_INDEX/DATA based register access */
2228 	spinlock_t mmio_idx_lock;
2229 	/* protects concurrent SMC based register access */
2230 	spinlock_t smc_idx_lock;
2231 	/* protects concurrent PLL register access */
2232 	spinlock_t pll_idx_lock;
2233 	/* protects concurrent MC register access */
2234 	spinlock_t mc_idx_lock;
2235 	/* protects concurrent PCIE register access */
2236 	spinlock_t pcie_idx_lock;
2237 	/* protects concurrent PCIE_PORT register access */
2238 	spinlock_t pciep_idx_lock;
2239 	/* protects concurrent PIF register access */
2240 	spinlock_t pif_idx_lock;
2241 	/* protects concurrent CG register access */
2242 	spinlock_t cg_idx_lock;
2243 	/* protects concurrent UVD register access */
2244 	spinlock_t uvd_idx_lock;
2245 	/* protects concurrent RCU register access */
2246 	spinlock_t rcu_idx_lock;
2247 	/* protects concurrent DIDT register access */
2248 	spinlock_t didt_idx_lock;
2249 	/* protects concurrent ENDPOINT (audio) register access */
2250 	spinlock_t end_idx_lock;
2251 	void __iomem			*rmmio;
2252 	radeon_rreg_t			mc_rreg;
2253 	radeon_wreg_t			mc_wreg;
2254 	radeon_rreg_t			pll_rreg;
2255 	radeon_wreg_t			pll_wreg;
2256 	uint32_t                        pcie_reg_mask;
2257 	radeon_rreg_t			pciep_rreg;
2258 	radeon_wreg_t			pciep_wreg;
2259 	/* io port */
2260 	void __iomem                    *rio_mem;
2261 	resource_size_t			rio_mem_size;
2262 	struct radeon_clock             clock;
2263 	struct radeon_mc		mc;
2264 	struct radeon_gart		gart;
2265 	struct radeon_mode_info		mode_info;
2266 	struct radeon_scratch		scratch;
2267 	struct radeon_doorbell		doorbell;
2268 	struct radeon_mman		mman;
2269 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2270 	wait_queue_head_t		fence_queue;
2271 	struct mutex			ring_lock;
2272 	struct radeon_ring		ring[RADEON_NUM_RINGS];
2273 	bool				ib_pool_ready;
2274 	struct radeon_sa_manager	ring_tmp_bo;
2275 	struct radeon_irq		irq;
2276 	struct radeon_asic		*asic;
2277 	struct radeon_gem		gem;
2278 	struct radeon_pm		pm;
2279 	struct radeon_uvd		uvd;
2280 	struct radeon_vce		vce;
2281 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2282 	struct radeon_wb		wb;
2283 	struct radeon_dummy_page	dummy_page;
2284 	bool				shutdown;
2285 	bool				suspend;
2286 	bool				need_dma32;
2287 	bool				accel_working;
2288 	bool				fastfb_working; /* IGP feature*/
2289 	bool				needs_reset;
2290 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2291 	const struct firmware *me_fw;	/* all family ME firmware */
2292 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2293 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2294 	const struct firmware *mc_fw;	/* NI MC firmware */
2295 	const struct firmware *ce_fw;	/* SI CE firmware */
2296 	const struct firmware *mec_fw;	/* CIK MEC firmware */
2297 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2298 	const struct firmware *smc_fw;	/* SMC firmware */
2299 	const struct firmware *uvd_fw;	/* UVD firmware */
2300 	const struct firmware *vce_fw;	/* VCE firmware */
2301 	struct r600_vram_scratch vram_scratch;
2302 	int msi_enabled; /* msi enabled */
2303 	struct r600_ih ih; /* r6/700 interrupt ring */
2304 	struct radeon_rlc rlc;
2305 	struct radeon_mec mec;
2306 	struct work_struct hotplug_work;
2307 	struct work_struct audio_work;
2308 	struct work_struct reset_work;
2309 	int num_crtc; /* number of crtcs */
2310 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2311 	bool has_uvd;
2312 	struct r600_audio audio; /* audio stuff */
2313 	struct notifier_block acpi_nb;
2314 	/* only one userspace can use Hyperz features or CMASK at a time */
2315 	struct drm_file *hyperz_filp;
2316 	struct drm_file *cmask_filp;
2317 	/* i2c buses */
2318 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2319 	/* debugfs */
2320 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
2321 	unsigned 		debugfs_count;
2322 	/* virtual memory */
2323 	struct radeon_vm_manager	vm_manager;
2324 	struct mutex			gpu_clock_mutex;
2325 	/* memory stats */
2326 	atomic64_t			vram_usage;
2327 	atomic64_t			gtt_usage;
2328 	atomic64_t			num_bytes_moved;
2329 	/* ACPI interface */
2330 	struct radeon_atif		atif;
2331 	struct radeon_atcs		atcs;
2332 	/* srbm instance registers */
2333 	struct mutex			srbm_mutex;
2334 	/* clock, powergating flags */
2335 	u32 cg_flags;
2336 	u32 pg_flags;
2337 
2338 	struct dev_pm_domain vga_pm_domain;
2339 	bool have_disp_power_ref;
2340 };
2341 
2342 bool radeon_is_px(struct drm_device *dev);
2343 int radeon_device_init(struct radeon_device *rdev,
2344 		       struct drm_device *ddev,
2345 		       struct pci_dev *pdev,
2346 		       uint32_t flags);
2347 void radeon_device_fini(struct radeon_device *rdev);
2348 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2349 
2350 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2351 		      bool always_indirect);
2352 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2353 		  bool always_indirect);
2354 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2355 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2356 
2357 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2358 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2359 
2360 /*
2361  * Cast helper
2362  */
2363 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
2364 
2365 /*
2366  * Registers read & write functions.
2367  */
2368 #define RREG8(reg) readb((rdev->rmmio) + (reg))
2369 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2370 #define RREG16(reg) readw((rdev->rmmio) + (reg))
2371 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2372 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2373 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2374 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg), false))
2375 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2376 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2377 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2378 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2379 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2380 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2381 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2382 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2383 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2384 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2385 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2386 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2387 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2388 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2389 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2390 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2391 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2392 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2393 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2394 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2395 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2396 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2397 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2398 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2399 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2400 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2401 #define WREG32_P(reg, val, mask)				\
2402 	do {							\
2403 		uint32_t tmp_ = RREG32(reg);			\
2404 		tmp_ &= (mask);					\
2405 		tmp_ |= ((val) & ~(mask));			\
2406 		WREG32(reg, tmp_);				\
2407 	} while (0)
2408 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2409 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2410 #define WREG32_PLL_P(reg, val, mask)				\
2411 	do {							\
2412 		uint32_t tmp_ = RREG32_PLL(reg);		\
2413 		tmp_ &= (mask);					\
2414 		tmp_ |= ((val) & ~(mask));			\
2415 		WREG32_PLL(reg, tmp_);				\
2416 	} while (0)
2417 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2418 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2419 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2420 
2421 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2422 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2423 
2424 /*
2425  * Indirect registers accessor
2426  */
2427 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
2428 {
2429 	unsigned long flags;
2430 	uint32_t r;
2431 
2432 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2433 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2434 	r = RREG32(RADEON_PCIE_DATA);
2435 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2436 	return r;
2437 }
2438 
2439 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2440 {
2441 	unsigned long flags;
2442 
2443 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2444 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2445 	WREG32(RADEON_PCIE_DATA, (v));
2446 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2447 }
2448 
2449 static inline u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
2450 {
2451 	unsigned long flags;
2452 	u32 r;
2453 
2454 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2455 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2456 	r = RREG32(TN_SMC_IND_DATA_0);
2457 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2458 	return r;
2459 }
2460 
2461 static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2462 {
2463 	unsigned long flags;
2464 
2465 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2466 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2467 	WREG32(TN_SMC_IND_DATA_0, (v));
2468 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2469 }
2470 
2471 static inline u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
2472 {
2473 	unsigned long flags;
2474 	u32 r;
2475 
2476 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2477 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2478 	r = RREG32(R600_RCU_DATA);
2479 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2480 	return r;
2481 }
2482 
2483 static inline void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2484 {
2485 	unsigned long flags;
2486 
2487 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2488 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2489 	WREG32(R600_RCU_DATA, (v));
2490 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2491 }
2492 
2493 static inline u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
2494 {
2495 	unsigned long flags;
2496 	u32 r;
2497 
2498 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2499 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2500 	r = RREG32(EVERGREEN_CG_IND_DATA);
2501 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2502 	return r;
2503 }
2504 
2505 static inline void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2506 {
2507 	unsigned long flags;
2508 
2509 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2510 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2511 	WREG32(EVERGREEN_CG_IND_DATA, (v));
2512 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2513 }
2514 
2515 static inline u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
2516 {
2517 	unsigned long flags;
2518 	u32 r;
2519 
2520 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2521 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2522 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
2523 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2524 	return r;
2525 }
2526 
2527 static inline void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2528 {
2529 	unsigned long flags;
2530 
2531 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2532 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2533 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
2534 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2535 }
2536 
2537 static inline u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
2538 {
2539 	unsigned long flags;
2540 	u32 r;
2541 
2542 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2543 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2544 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
2545 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2546 	return r;
2547 }
2548 
2549 static inline void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2550 {
2551 	unsigned long flags;
2552 
2553 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2554 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2555 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
2556 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2557 }
2558 
2559 static inline u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
2560 {
2561 	unsigned long flags;
2562 	u32 r;
2563 
2564 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2565 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2566 	r = RREG32(R600_UVD_CTX_DATA);
2567 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2568 	return r;
2569 }
2570 
2571 static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2572 {
2573 	unsigned long flags;
2574 
2575 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2576 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2577 	WREG32(R600_UVD_CTX_DATA, (v));
2578 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2579 }
2580 
2581 
2582 static inline u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg)
2583 {
2584 	unsigned long flags;
2585 	u32 r;
2586 
2587 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2588 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2589 	r = RREG32(CIK_DIDT_IND_DATA);
2590 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2591 	return r;
2592 }
2593 
2594 static inline void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2595 {
2596 	unsigned long flags;
2597 
2598 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2599 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2600 	WREG32(CIK_DIDT_IND_DATA, (v));
2601 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2602 }
2603 
2604 void r100_pll_errata_after_index(struct radeon_device *rdev);
2605 
2606 
2607 /*
2608  * ASICs helpers.
2609  */
2610 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2611 			    (rdev->pdev->device == 0x5969))
2612 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2613 		(rdev->family == CHIP_RV200) || \
2614 		(rdev->family == CHIP_RS100) || \
2615 		(rdev->family == CHIP_RS200) || \
2616 		(rdev->family == CHIP_RV250) || \
2617 		(rdev->family == CHIP_RV280) || \
2618 		(rdev->family == CHIP_RS300))
2619 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2620 		(rdev->family == CHIP_RV350) ||			\
2621 		(rdev->family == CHIP_R350)  ||			\
2622 		(rdev->family == CHIP_RV380) ||			\
2623 		(rdev->family == CHIP_R420)  ||			\
2624 		(rdev->family == CHIP_R423)  ||			\
2625 		(rdev->family == CHIP_RV410) ||			\
2626 		(rdev->family == CHIP_RS400) ||			\
2627 		(rdev->family == CHIP_RS480))
2628 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
2629 		(rdev->ddev->pdev->device == 0x9443) || \
2630 		(rdev->ddev->pdev->device == 0x944B) || \
2631 		(rdev->ddev->pdev->device == 0x9506) || \
2632 		(rdev->ddev->pdev->device == 0x9509) || \
2633 		(rdev->ddev->pdev->device == 0x950F) || \
2634 		(rdev->ddev->pdev->device == 0x689C) || \
2635 		(rdev->ddev->pdev->device == 0x689D))
2636 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2637 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2638 			    (rdev->family == CHIP_RS690)  ||	\
2639 			    (rdev->family == CHIP_RS740)  ||	\
2640 			    (rdev->family >= CHIP_R600))
2641 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2642 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2643 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2644 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2645 			     (rdev->flags & RADEON_IS_IGP))
2646 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2647 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2648 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2649 			     (rdev->flags & RADEON_IS_IGP))
2650 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2651 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2652 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2653 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
2654 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
2655 #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
2656 			     (rdev->family == CHIP_MULLINS))
2657 
2658 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
2659 			      (rdev->ddev->pdev->device == 0x6850) || \
2660 			      (rdev->ddev->pdev->device == 0x6858) || \
2661 			      (rdev->ddev->pdev->device == 0x6859) || \
2662 			      (rdev->ddev->pdev->device == 0x6840) || \
2663 			      (rdev->ddev->pdev->device == 0x6841) || \
2664 			      (rdev->ddev->pdev->device == 0x6842) || \
2665 			      (rdev->ddev->pdev->device == 0x6843))
2666 
2667 /*
2668  * BIOS helpers.
2669  */
2670 #define RBIOS8(i) (rdev->bios[i])
2671 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2672 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2673 
2674 int radeon_combios_init(struct radeon_device *rdev);
2675 void radeon_combios_fini(struct radeon_device *rdev);
2676 int radeon_atombios_init(struct radeon_device *rdev);
2677 void radeon_atombios_fini(struct radeon_device *rdev);
2678 
2679 
2680 /*
2681  * RING helpers.
2682  */
2683 #if DRM_DEBUG_CODE == 0
2684 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2685 {
2686 	ring->ring[ring->wptr++] = v;
2687 	ring->wptr &= ring->ptr_mask;
2688 	ring->count_dw--;
2689 	ring->ring_free_dw--;
2690 }
2691 #else
2692 /* With debugging this is just too big to inline */
2693 void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
2694 #endif
2695 
2696 /*
2697  * ASICs macro.
2698  */
2699 #define radeon_init(rdev) (rdev)->asic->init((rdev))
2700 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2701 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2702 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2703 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2704 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2705 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
2706 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2707 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart.set_page((rdev), (i), (p))
2708 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2709 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2710 #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)))
2711 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2712 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2713 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2714 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2715 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2716 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2717 #define radeon_ring_vm_flush(rdev, r, vm) (rdev)->asic->ring[(r)]->vm_flush((rdev), (r), (vm))
2718 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2719 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2720 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2721 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2722 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2723 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2724 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2725 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2726 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2727 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2728 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2729 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2730 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f))
2731 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (f))
2732 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (f))
2733 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2734 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2735 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2736 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2737 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2738 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2739 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2740 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2741 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2742 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2743 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2744 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2745 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2746 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2747 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2748 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2749 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2750 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2751 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2752 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2753 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2754 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2755 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2756 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2757 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2758 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2759 #define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base))
2760 #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
2761 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2762 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2763 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2764 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2765 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2766 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2767 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2768 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2769 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2770 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2771 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2772 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2773 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2774 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2775 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2776 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2777 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2778 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2779 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2780 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2781 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2782 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2783 
2784 /* Common functions */
2785 /* AGP */
2786 extern int radeon_gpu_reset(struct radeon_device *rdev);
2787 extern void radeon_pci_config_reset(struct radeon_device *rdev);
2788 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2789 extern void radeon_agp_disable(struct radeon_device *rdev);
2790 extern int radeon_modeset_init(struct radeon_device *rdev);
2791 extern void radeon_modeset_fini(struct radeon_device *rdev);
2792 extern bool radeon_card_posted(struct radeon_device *rdev);
2793 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2794 extern void radeon_update_display_priority(struct radeon_device *rdev);
2795 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2796 extern void radeon_scratch_init(struct radeon_device *rdev);
2797 extern void radeon_wb_fini(struct radeon_device *rdev);
2798 extern int radeon_wb_init(struct radeon_device *rdev);
2799 extern void radeon_wb_disable(struct radeon_device *rdev);
2800 extern void radeon_surface_init(struct radeon_device *rdev);
2801 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2802 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2803 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2804 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2805 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2806 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2807 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2808 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2809 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2810 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2811 extern void radeon_program_register_sequence(struct radeon_device *rdev,
2812 					     const u32 *registers,
2813 					     const u32 array_size);
2814 
2815 /*
2816  * vm
2817  */
2818 int radeon_vm_manager_init(struct radeon_device *rdev);
2819 void radeon_vm_manager_fini(struct radeon_device *rdev);
2820 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2821 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2822 struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
2823 					  struct radeon_vm *vm,
2824                                           struct list_head *head);
2825 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2826 				       struct radeon_vm *vm, int ring);
2827 void radeon_vm_flush(struct radeon_device *rdev,
2828                      struct radeon_vm *vm,
2829                      int ring);
2830 void radeon_vm_fence(struct radeon_device *rdev,
2831 		     struct radeon_vm *vm,
2832 		     struct radeon_fence *fence);
2833 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2834 int radeon_vm_update_page_directory(struct radeon_device *rdev,
2835 				    struct radeon_vm *vm);
2836 int radeon_vm_bo_update(struct radeon_device *rdev,
2837 			struct radeon_vm *vm,
2838 			struct radeon_bo *bo,
2839 			struct ttm_mem_reg *mem);
2840 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2841 			     struct radeon_bo *bo);
2842 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2843 				       struct radeon_bo *bo);
2844 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2845 				      struct radeon_vm *vm,
2846 				      struct radeon_bo *bo);
2847 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2848 			  struct radeon_bo_va *bo_va,
2849 			  uint64_t offset,
2850 			  uint32_t flags);
2851 int radeon_vm_bo_rmv(struct radeon_device *rdev,
2852 		     struct radeon_bo_va *bo_va);
2853 
2854 /* audio */
2855 void r600_audio_update_hdmi(struct work_struct *work);
2856 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2857 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2858 void r600_audio_enable(struct radeon_device *rdev,
2859 		       struct r600_audio_pin *pin,
2860 		       bool enable);
2861 void dce6_audio_enable(struct radeon_device *rdev,
2862 		       struct r600_audio_pin *pin,
2863 		       bool enable);
2864 
2865 /*
2866  * R600 vram scratch functions
2867  */
2868 int r600_vram_scratch_init(struct radeon_device *rdev);
2869 void r600_vram_scratch_fini(struct radeon_device *rdev);
2870 
2871 /*
2872  * r600 cs checking helper
2873  */
2874 unsigned r600_mip_minify(unsigned size, unsigned level);
2875 bool r600_fmt_is_valid_color(u32 format);
2876 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
2877 int r600_fmt_get_blocksize(u32 format);
2878 int r600_fmt_get_nblocksx(u32 format, u32 w);
2879 int r600_fmt_get_nblocksy(u32 format, u32 h);
2880 
2881 /*
2882  * r600 functions used by radeon_encoder.c
2883  */
2884 struct radeon_hdmi_acr {
2885 	u32 clock;
2886 
2887 	int n_32khz;
2888 	int cts_32khz;
2889 
2890 	int n_44_1khz;
2891 	int cts_44_1khz;
2892 
2893 	int n_48khz;
2894 	int cts_48khz;
2895 
2896 };
2897 
2898 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
2899 
2900 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
2901 				     u32 tiling_pipe_num,
2902 				     u32 max_rb_num,
2903 				     u32 total_max_rb_num,
2904 				     u32 enabled_rb_mask);
2905 
2906 /*
2907  * evergreen functions used by radeon_encoder.c
2908  */
2909 
2910 extern int ni_init_microcode(struct radeon_device *rdev);
2911 extern int ni_mc_load_microcode(struct radeon_device *rdev);
2912 
2913 /* radeon_acpi.c */
2914 #if defined(CONFIG_ACPI)
2915 extern int radeon_acpi_init(struct radeon_device *rdev);
2916 extern void radeon_acpi_fini(struct radeon_device *rdev);
2917 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
2918 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
2919 						u8 perf_req, bool advertise);
2920 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
2921 #else
2922 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
2923 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
2924 #endif
2925 
2926 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
2927 			   struct radeon_cs_packet *pkt,
2928 			   unsigned idx);
2929 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
2930 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
2931 			   struct radeon_cs_packet *pkt);
2932 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
2933 				struct radeon_cs_reloc **cs_reloc,
2934 				int nomm);
2935 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
2936 			       uint32_t *vline_start_end,
2937 			       uint32_t *vline_status);
2938 
2939 #include "radeon_object.h"
2940 
2941 #endif
2942