xref: /openbmc/linux/drivers/gpu/drm/radeon/radeon.h (revision af958a38)
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 #include <linux/interval_tree.h>
68 
69 #include <ttm/ttm_bo_api.h>
70 #include <ttm/ttm_bo_driver.h>
71 #include <ttm/ttm_placement.h>
72 #include <ttm/ttm_module.h>
73 #include <ttm/ttm_execbuf_util.h>
74 
75 #include "radeon_family.h"
76 #include "radeon_mode.h"
77 #include "radeon_reg.h"
78 
79 /*
80  * Modules parameters.
81  */
82 extern int radeon_no_wb;
83 extern int radeon_modeset;
84 extern int radeon_dynclks;
85 extern int radeon_r4xx_atom;
86 extern int radeon_agpmode;
87 extern int radeon_vram_limit;
88 extern int radeon_gart_size;
89 extern int radeon_benchmarking;
90 extern int radeon_testing;
91 extern int radeon_connector_table;
92 extern int radeon_tv;
93 extern int radeon_audio;
94 extern int radeon_disp_priority;
95 extern int radeon_hw_i2c;
96 extern int radeon_pcie_gen2;
97 extern int radeon_msi;
98 extern int radeon_lockup_timeout;
99 extern int radeon_fastfb;
100 extern int radeon_dpm;
101 extern int radeon_aspm;
102 extern int radeon_runtime_pm;
103 extern int radeon_hard_reset;
104 extern int radeon_vm_size;
105 extern int radeon_vm_block_size;
106 extern int radeon_deep_color;
107 extern int radeon_use_pflipirq;
108 extern int radeon_bapm;
109 
110 /*
111  * Copy from radeon_drv.h so we don't have to include both and have conflicting
112  * symbol;
113  */
114 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
115 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
116 /* RADEON_IB_POOL_SIZE must be a power of 2 */
117 #define RADEON_IB_POOL_SIZE			16
118 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
119 #define RADEONFB_CONN_LIMIT			4
120 #define RADEON_BIOS_NUM_SCRATCH			8
121 
122 /* fence seq are set to this number when signaled */
123 #define RADEON_FENCE_SIGNALED_SEQ		0LL
124 
125 /* internal ring indices */
126 /* r1xx+ has gfx CP ring */
127 #define RADEON_RING_TYPE_GFX_INDEX		0
128 
129 /* cayman has 2 compute CP rings */
130 #define CAYMAN_RING_TYPE_CP1_INDEX		1
131 #define CAYMAN_RING_TYPE_CP2_INDEX		2
132 
133 /* R600+ has an async dma ring */
134 #define R600_RING_TYPE_DMA_INDEX		3
135 /* cayman add a second async dma ring */
136 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
137 
138 /* R600+ */
139 #define R600_RING_TYPE_UVD_INDEX		5
140 
141 /* TN+ */
142 #define TN_RING_TYPE_VCE1_INDEX			6
143 #define TN_RING_TYPE_VCE2_INDEX			7
144 
145 /* max number of rings */
146 #define RADEON_NUM_RINGS			8
147 
148 /* number of hw syncs before falling back on blocking */
149 #define RADEON_NUM_SYNCS			4
150 
151 /* number of hw syncs before falling back on blocking */
152 #define RADEON_NUM_SYNCS			4
153 
154 /* hardcode those limit for now */
155 #define RADEON_VA_IB_OFFSET			(1 << 20)
156 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
157 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
158 
159 /* hard reset data */
160 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
161 
162 /* reset flags */
163 #define RADEON_RESET_GFX			(1 << 0)
164 #define RADEON_RESET_COMPUTE			(1 << 1)
165 #define RADEON_RESET_DMA			(1 << 2)
166 #define RADEON_RESET_CP				(1 << 3)
167 #define RADEON_RESET_GRBM			(1 << 4)
168 #define RADEON_RESET_DMA1			(1 << 5)
169 #define RADEON_RESET_RLC			(1 << 6)
170 #define RADEON_RESET_SEM			(1 << 7)
171 #define RADEON_RESET_IH				(1 << 8)
172 #define RADEON_RESET_VMC			(1 << 9)
173 #define RADEON_RESET_MC				(1 << 10)
174 #define RADEON_RESET_DISPLAY			(1 << 11)
175 
176 /* CG block flags */
177 #define RADEON_CG_BLOCK_GFX			(1 << 0)
178 #define RADEON_CG_BLOCK_MC			(1 << 1)
179 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
180 #define RADEON_CG_BLOCK_UVD			(1 << 3)
181 #define RADEON_CG_BLOCK_VCE			(1 << 4)
182 #define RADEON_CG_BLOCK_HDP			(1 << 5)
183 #define RADEON_CG_BLOCK_BIF			(1 << 6)
184 
185 /* CG flags */
186 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
187 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
188 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
189 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
190 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
191 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
192 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
193 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
194 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
195 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
196 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
197 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
198 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
199 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
200 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
201 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
202 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
203 
204 /* PG flags */
205 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
206 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
207 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
208 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
209 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
210 #define RADEON_PG_SUPPORT_CP			(1 << 5)
211 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
212 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
213 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
214 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
215 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
216 
217 /* max cursor sizes (in pixels) */
218 #define CURSOR_WIDTH 64
219 #define CURSOR_HEIGHT 64
220 
221 #define CIK_CURSOR_WIDTH 128
222 #define CIK_CURSOR_HEIGHT 128
223 
224 /*
225  * Errata workarounds.
226  */
227 enum radeon_pll_errata {
228 	CHIP_ERRATA_R300_CG             = 0x00000001,
229 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
230 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
231 };
232 
233 
234 struct radeon_device;
235 
236 
237 /*
238  * BIOS.
239  */
240 bool radeon_get_bios(struct radeon_device *rdev);
241 
242 /*
243  * Dummy page
244  */
245 struct radeon_dummy_page {
246 	struct page	*page;
247 	dma_addr_t	addr;
248 };
249 int radeon_dummy_page_init(struct radeon_device *rdev);
250 void radeon_dummy_page_fini(struct radeon_device *rdev);
251 
252 
253 /*
254  * Clocks
255  */
256 struct radeon_clock {
257 	struct radeon_pll p1pll;
258 	struct radeon_pll p2pll;
259 	struct radeon_pll dcpll;
260 	struct radeon_pll spll;
261 	struct radeon_pll mpll;
262 	/* 10 Khz units */
263 	uint32_t default_mclk;
264 	uint32_t default_sclk;
265 	uint32_t default_dispclk;
266 	uint32_t current_dispclk;
267 	uint32_t dp_extclk;
268 	uint32_t max_pixel_clock;
269 };
270 
271 /*
272  * Power management
273  */
274 int radeon_pm_init(struct radeon_device *rdev);
275 int radeon_pm_late_init(struct radeon_device *rdev);
276 void radeon_pm_fini(struct radeon_device *rdev);
277 void radeon_pm_compute_clocks(struct radeon_device *rdev);
278 void radeon_pm_suspend(struct radeon_device *rdev);
279 void radeon_pm_resume(struct radeon_device *rdev);
280 void radeon_combios_get_power_modes(struct radeon_device *rdev);
281 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
282 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
283 				   u8 clock_type,
284 				   u32 clock,
285 				   bool strobe_mode,
286 				   struct atom_clock_dividers *dividers);
287 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
288 					u32 clock,
289 					bool strobe_mode,
290 					struct atom_mpll_param *mpll_param);
291 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
292 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
293 					  u16 voltage_level, u8 voltage_type,
294 					  u32 *gpio_value, u32 *gpio_mask);
295 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
296 					 u32 eng_clock, u32 mem_clock);
297 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
298 				 u8 voltage_type, u16 *voltage_step);
299 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
300 			     u16 voltage_id, u16 *voltage);
301 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
302 						      u16 *voltage,
303 						      u16 leakage_idx);
304 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
305 					  u16 *leakage_id);
306 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
307 							 u16 *vddc, u16 *vddci,
308 							 u16 virtual_voltage_id,
309 							 u16 vbios_voltage_id);
310 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
311 				u16 virtual_voltage_id,
312 				u16 *voltage);
313 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
314 				      u8 voltage_type,
315 				      u16 nominal_voltage,
316 				      u16 *true_voltage);
317 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
318 				u8 voltage_type, u16 *min_voltage);
319 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
320 				u8 voltage_type, u16 *max_voltage);
321 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
322 				  u8 voltage_type, u8 voltage_mode,
323 				  struct atom_voltage_table *voltage_table);
324 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
325 				 u8 voltage_type, u8 voltage_mode);
326 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
327 			      u8 voltage_type,
328 			      u8 *svd_gpio_id, u8 *svc_gpio_id);
329 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
330 				   u32 mem_clock);
331 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
332 			       u32 mem_clock);
333 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
334 				  u8 module_index,
335 				  struct atom_mc_reg_table *reg_table);
336 int radeon_atom_get_memory_info(struct radeon_device *rdev,
337 				u8 module_index, struct atom_memory_info *mem_info);
338 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
339 				     bool gddr5, u8 module_index,
340 				     struct atom_memory_clock_range_table *mclk_range_table);
341 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
342 			     u16 voltage_id, u16 *voltage);
343 void rs690_pm_info(struct radeon_device *rdev);
344 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
345 				    unsigned *bankh, unsigned *mtaspect,
346 				    unsigned *tile_split);
347 
348 /*
349  * Fences.
350  */
351 struct radeon_fence_driver {
352 	uint32_t			scratch_reg;
353 	uint64_t			gpu_addr;
354 	volatile uint32_t		*cpu_addr;
355 	/* sync_seq is protected by ring emission lock */
356 	uint64_t			sync_seq[RADEON_NUM_RINGS];
357 	atomic64_t			last_seq;
358 	bool				initialized;
359 };
360 
361 struct radeon_fence {
362 	struct radeon_device		*rdev;
363 	struct kref			kref;
364 	/* protected by radeon_fence.lock */
365 	uint64_t			seq;
366 	/* RB, DMA, etc. */
367 	unsigned			ring;
368 };
369 
370 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
371 int radeon_fence_driver_init(struct radeon_device *rdev);
372 void radeon_fence_driver_fini(struct radeon_device *rdev);
373 void radeon_fence_driver_force_completion(struct radeon_device *rdev);
374 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
375 void radeon_fence_process(struct radeon_device *rdev, int ring);
376 bool radeon_fence_signaled(struct radeon_fence *fence);
377 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
378 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
379 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
380 int radeon_fence_wait_any(struct radeon_device *rdev,
381 			  struct radeon_fence **fences,
382 			  bool intr);
383 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
384 void radeon_fence_unref(struct radeon_fence **fence);
385 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
386 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
387 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
388 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
389 						      struct radeon_fence *b)
390 {
391 	if (!a) {
392 		return b;
393 	}
394 
395 	if (!b) {
396 		return a;
397 	}
398 
399 	BUG_ON(a->ring != b->ring);
400 
401 	if (a->seq > b->seq) {
402 		return a;
403 	} else {
404 		return b;
405 	}
406 }
407 
408 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
409 					   struct radeon_fence *b)
410 {
411 	if (!a) {
412 		return false;
413 	}
414 
415 	if (!b) {
416 		return true;
417 	}
418 
419 	BUG_ON(a->ring != b->ring);
420 
421 	return a->seq < b->seq;
422 }
423 
424 /*
425  * Tiling registers
426  */
427 struct radeon_surface_reg {
428 	struct radeon_bo *bo;
429 };
430 
431 #define RADEON_GEM_MAX_SURFACES 8
432 
433 /*
434  * TTM.
435  */
436 struct radeon_mman {
437 	struct ttm_bo_global_ref        bo_global_ref;
438 	struct drm_global_reference	mem_global_ref;
439 	struct ttm_bo_device		bdev;
440 	bool				mem_global_referenced;
441 	bool				initialized;
442 
443 #if defined(CONFIG_DEBUG_FS)
444 	struct dentry			*vram;
445 	struct dentry			*gtt;
446 #endif
447 };
448 
449 /* bo virtual address in a specific vm */
450 struct radeon_bo_va {
451 	/* protected by bo being reserved */
452 	struct list_head		bo_list;
453 	uint32_t			flags;
454 	uint64_t			addr;
455 	unsigned			ref_count;
456 
457 	/* protected by vm mutex */
458 	struct interval_tree_node	it;
459 	struct list_head		vm_status;
460 
461 	/* constant after initialization */
462 	struct radeon_vm		*vm;
463 	struct radeon_bo		*bo;
464 };
465 
466 struct radeon_bo {
467 	/* Protected by gem.mutex */
468 	struct list_head		list;
469 	/* Protected by tbo.reserved */
470 	u32				initial_domain;
471 	u32				placements[3];
472 	struct ttm_placement		placement;
473 	struct ttm_buffer_object	tbo;
474 	struct ttm_bo_kmap_obj		kmap;
475 	u32				flags;
476 	unsigned			pin_count;
477 	void				*kptr;
478 	u32				tiling_flags;
479 	u32				pitch;
480 	int				surface_reg;
481 	/* list of all virtual address to which this bo
482 	 * is associated to
483 	 */
484 	struct list_head		va;
485 	/* Constant after initialization */
486 	struct radeon_device		*rdev;
487 	struct drm_gem_object		gem_base;
488 
489 	struct ttm_bo_kmap_obj		dma_buf_vmap;
490 	pid_t				pid;
491 };
492 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
493 
494 int radeon_gem_debugfs_init(struct radeon_device *rdev);
495 
496 /* sub-allocation manager, it has to be protected by another lock.
497  * By conception this is an helper for other part of the driver
498  * like the indirect buffer or semaphore, which both have their
499  * locking.
500  *
501  * Principe is simple, we keep a list of sub allocation in offset
502  * order (first entry has offset == 0, last entry has the highest
503  * offset).
504  *
505  * When allocating new object we first check if there is room at
506  * the end total_size - (last_object_offset + last_object_size) >=
507  * alloc_size. If so we allocate new object there.
508  *
509  * When there is not enough room at the end, we start waiting for
510  * each sub object until we reach object_offset+object_size >=
511  * alloc_size, this object then become the sub object we return.
512  *
513  * Alignment can't be bigger than page size.
514  *
515  * Hole are not considered for allocation to keep things simple.
516  * Assumption is that there won't be hole (all object on same
517  * alignment).
518  */
519 struct radeon_sa_manager {
520 	wait_queue_head_t	wq;
521 	struct radeon_bo	*bo;
522 	struct list_head	*hole;
523 	struct list_head	flist[RADEON_NUM_RINGS];
524 	struct list_head	olist;
525 	unsigned		size;
526 	uint64_t		gpu_addr;
527 	void			*cpu_ptr;
528 	uint32_t		domain;
529 	uint32_t		align;
530 };
531 
532 struct radeon_sa_bo;
533 
534 /* sub-allocation buffer */
535 struct radeon_sa_bo {
536 	struct list_head		olist;
537 	struct list_head		flist;
538 	struct radeon_sa_manager	*manager;
539 	unsigned			soffset;
540 	unsigned			eoffset;
541 	struct radeon_fence		*fence;
542 };
543 
544 /*
545  * GEM objects.
546  */
547 struct radeon_gem {
548 	struct mutex		mutex;
549 	struct list_head	objects;
550 };
551 
552 int radeon_gem_init(struct radeon_device *rdev);
553 void radeon_gem_fini(struct radeon_device *rdev);
554 int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
555 				int alignment, int initial_domain,
556 				u32 flags, bool kernel,
557 				struct drm_gem_object **obj);
558 
559 int radeon_mode_dumb_create(struct drm_file *file_priv,
560 			    struct drm_device *dev,
561 			    struct drm_mode_create_dumb *args);
562 int radeon_mode_dumb_mmap(struct drm_file *filp,
563 			  struct drm_device *dev,
564 			  uint32_t handle, uint64_t *offset_p);
565 
566 /*
567  * Semaphores.
568  */
569 struct radeon_semaphore {
570 	struct radeon_sa_bo		*sa_bo;
571 	signed				waiters;
572 	uint64_t			gpu_addr;
573 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
574 };
575 
576 int radeon_semaphore_create(struct radeon_device *rdev,
577 			    struct radeon_semaphore **semaphore);
578 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
579 				  struct radeon_semaphore *semaphore);
580 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
581 				struct radeon_semaphore *semaphore);
582 void radeon_semaphore_sync_to(struct radeon_semaphore *semaphore,
583 			      struct radeon_fence *fence);
584 int radeon_semaphore_sync_rings(struct radeon_device *rdev,
585 				struct radeon_semaphore *semaphore,
586 				int waiting_ring);
587 void radeon_semaphore_free(struct radeon_device *rdev,
588 			   struct radeon_semaphore **semaphore,
589 			   struct radeon_fence *fence);
590 
591 /*
592  * GART structures, functions & helpers
593  */
594 struct radeon_mc;
595 
596 #define RADEON_GPU_PAGE_SIZE 4096
597 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
598 #define RADEON_GPU_PAGE_SHIFT 12
599 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
600 
601 #define RADEON_GART_PAGE_DUMMY  0
602 #define RADEON_GART_PAGE_VALID	(1 << 0)
603 #define RADEON_GART_PAGE_READ	(1 << 1)
604 #define RADEON_GART_PAGE_WRITE	(1 << 2)
605 #define RADEON_GART_PAGE_SNOOP	(1 << 3)
606 
607 struct radeon_gart {
608 	dma_addr_t			table_addr;
609 	struct radeon_bo		*robj;
610 	void				*ptr;
611 	unsigned			num_gpu_pages;
612 	unsigned			num_cpu_pages;
613 	unsigned			table_size;
614 	struct page			**pages;
615 	dma_addr_t			*pages_addr;
616 	bool				ready;
617 };
618 
619 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
620 void radeon_gart_table_ram_free(struct radeon_device *rdev);
621 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
622 void radeon_gart_table_vram_free(struct radeon_device *rdev);
623 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
624 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
625 int radeon_gart_init(struct radeon_device *rdev);
626 void radeon_gart_fini(struct radeon_device *rdev);
627 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
628 			int pages);
629 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
630 		     int pages, struct page **pagelist,
631 		     dma_addr_t *dma_addr, uint32_t flags);
632 
633 
634 /*
635  * GPU MC structures, functions & helpers
636  */
637 struct radeon_mc {
638 	resource_size_t		aper_size;
639 	resource_size_t		aper_base;
640 	resource_size_t		agp_base;
641 	/* for some chips with <= 32MB we need to lie
642 	 * about vram size near mc fb location */
643 	u64			mc_vram_size;
644 	u64			visible_vram_size;
645 	u64			gtt_size;
646 	u64			gtt_start;
647 	u64			gtt_end;
648 	u64			vram_start;
649 	u64			vram_end;
650 	unsigned		vram_width;
651 	u64			real_vram_size;
652 	int			vram_mtrr;
653 	bool			vram_is_ddr;
654 	bool			igp_sideport_enabled;
655 	u64                     gtt_base_align;
656 	u64                     mc_mask;
657 };
658 
659 bool radeon_combios_sideport_present(struct radeon_device *rdev);
660 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
661 
662 /*
663  * GPU scratch registers structures, functions & helpers
664  */
665 struct radeon_scratch {
666 	unsigned		num_reg;
667 	uint32_t                reg_base;
668 	bool			free[32];
669 	uint32_t		reg[32];
670 };
671 
672 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
673 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
674 
675 /*
676  * GPU doorbell structures, functions & helpers
677  */
678 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
679 
680 struct radeon_doorbell {
681 	/* doorbell mmio */
682 	resource_size_t		base;
683 	resource_size_t		size;
684 	u32 __iomem		*ptr;
685 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
686 	unsigned long		used[DIV_ROUND_UP(RADEON_MAX_DOORBELLS, BITS_PER_LONG)];
687 };
688 
689 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
690 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
691 
692 /*
693  * IRQS.
694  */
695 
696 struct radeon_flip_work {
697 	struct work_struct		flip_work;
698 	struct work_struct		unpin_work;
699 	struct radeon_device		*rdev;
700 	int				crtc_id;
701 	uint64_t			base;
702 	struct drm_pending_vblank_event *event;
703 	struct radeon_bo		*old_rbo;
704 	struct radeon_fence		*fence;
705 };
706 
707 struct r500_irq_stat_regs {
708 	u32 disp_int;
709 	u32 hdmi0_status;
710 };
711 
712 struct r600_irq_stat_regs {
713 	u32 disp_int;
714 	u32 disp_int_cont;
715 	u32 disp_int_cont2;
716 	u32 d1grph_int;
717 	u32 d2grph_int;
718 	u32 hdmi0_status;
719 	u32 hdmi1_status;
720 };
721 
722 struct evergreen_irq_stat_regs {
723 	u32 disp_int;
724 	u32 disp_int_cont;
725 	u32 disp_int_cont2;
726 	u32 disp_int_cont3;
727 	u32 disp_int_cont4;
728 	u32 disp_int_cont5;
729 	u32 d1grph_int;
730 	u32 d2grph_int;
731 	u32 d3grph_int;
732 	u32 d4grph_int;
733 	u32 d5grph_int;
734 	u32 d6grph_int;
735 	u32 afmt_status1;
736 	u32 afmt_status2;
737 	u32 afmt_status3;
738 	u32 afmt_status4;
739 	u32 afmt_status5;
740 	u32 afmt_status6;
741 };
742 
743 struct cik_irq_stat_regs {
744 	u32 disp_int;
745 	u32 disp_int_cont;
746 	u32 disp_int_cont2;
747 	u32 disp_int_cont3;
748 	u32 disp_int_cont4;
749 	u32 disp_int_cont5;
750 	u32 disp_int_cont6;
751 	u32 d1grph_int;
752 	u32 d2grph_int;
753 	u32 d3grph_int;
754 	u32 d4grph_int;
755 	u32 d5grph_int;
756 	u32 d6grph_int;
757 };
758 
759 union radeon_irq_stat_regs {
760 	struct r500_irq_stat_regs r500;
761 	struct r600_irq_stat_regs r600;
762 	struct evergreen_irq_stat_regs evergreen;
763 	struct cik_irq_stat_regs cik;
764 };
765 
766 struct radeon_irq {
767 	bool				installed;
768 	spinlock_t			lock;
769 	atomic_t			ring_int[RADEON_NUM_RINGS];
770 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
771 	atomic_t			pflip[RADEON_MAX_CRTCS];
772 	wait_queue_head_t		vblank_queue;
773 	bool				hpd[RADEON_MAX_HPD_PINS];
774 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
775 	union radeon_irq_stat_regs	stat_regs;
776 	bool				dpm_thermal;
777 };
778 
779 int radeon_irq_kms_init(struct radeon_device *rdev);
780 void radeon_irq_kms_fini(struct radeon_device *rdev);
781 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
782 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
783 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
784 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
785 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
786 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
787 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
788 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
789 
790 /*
791  * CP & rings.
792  */
793 
794 struct radeon_ib {
795 	struct radeon_sa_bo		*sa_bo;
796 	uint32_t			length_dw;
797 	uint64_t			gpu_addr;
798 	uint32_t			*ptr;
799 	int				ring;
800 	struct radeon_fence		*fence;
801 	struct radeon_vm		*vm;
802 	bool				is_const_ib;
803 	struct radeon_semaphore		*semaphore;
804 };
805 
806 struct radeon_ring {
807 	struct radeon_bo	*ring_obj;
808 	volatile uint32_t	*ring;
809 	unsigned		rptr_offs;
810 	unsigned		rptr_save_reg;
811 	u64			next_rptr_gpu_addr;
812 	volatile u32		*next_rptr_cpu_addr;
813 	unsigned		wptr;
814 	unsigned		wptr_old;
815 	unsigned		ring_size;
816 	unsigned		ring_free_dw;
817 	int			count_dw;
818 	atomic_t		last_rptr;
819 	atomic64_t		last_activity;
820 	uint64_t		gpu_addr;
821 	uint32_t		align_mask;
822 	uint32_t		ptr_mask;
823 	bool			ready;
824 	u32			nop;
825 	u32			idx;
826 	u64			last_semaphore_signal_addr;
827 	u64			last_semaphore_wait_addr;
828 	/* for CIK queues */
829 	u32 me;
830 	u32 pipe;
831 	u32 queue;
832 	struct radeon_bo	*mqd_obj;
833 	u32 doorbell_index;
834 	unsigned		wptr_offs;
835 };
836 
837 struct radeon_mec {
838 	struct radeon_bo	*hpd_eop_obj;
839 	u64			hpd_eop_gpu_addr;
840 	u32 num_pipe;
841 	u32 num_mec;
842 	u32 num_queue;
843 };
844 
845 /*
846  * VM
847  */
848 
849 /* maximum number of VMIDs */
850 #define RADEON_NUM_VM	16
851 
852 /* number of entries in page table */
853 #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
854 
855 /* PTBs (Page Table Blocks) need to be aligned to 32K */
856 #define RADEON_VM_PTB_ALIGN_SIZE   32768
857 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
858 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
859 
860 #define R600_PTE_VALID		(1 << 0)
861 #define R600_PTE_SYSTEM		(1 << 1)
862 #define R600_PTE_SNOOPED	(1 << 2)
863 #define R600_PTE_READABLE	(1 << 5)
864 #define R600_PTE_WRITEABLE	(1 << 6)
865 
866 /* PTE (Page Table Entry) fragment field for different page sizes */
867 #define R600_PTE_FRAG_4KB	(0 << 7)
868 #define R600_PTE_FRAG_64KB	(4 << 7)
869 #define R600_PTE_FRAG_256KB	(6 << 7)
870 
871 /* flags needed to be set so we can copy directly from the GART table */
872 #define R600_PTE_GART_MASK	( R600_PTE_READABLE | R600_PTE_WRITEABLE | \
873 				  R600_PTE_SYSTEM | R600_PTE_VALID )
874 
875 struct radeon_vm_pt {
876 	struct radeon_bo		*bo;
877 	uint64_t			addr;
878 };
879 
880 struct radeon_vm {
881 	struct rb_root			va;
882 	unsigned			id;
883 
884 	/* BOs moved, but not yet updated in the PT */
885 	struct list_head		invalidated;
886 
887 	/* BOs freed, but not yet updated in the PT */
888 	struct list_head		freed;
889 
890 	/* contains the page directory */
891 	struct radeon_bo		*page_directory;
892 	uint64_t			pd_gpu_addr;
893 	unsigned			max_pde_used;
894 
895 	/* array of page tables, one for each page directory entry */
896 	struct radeon_vm_pt		*page_tables;
897 
898 	struct radeon_bo_va		*ib_bo_va;
899 
900 	struct mutex			mutex;
901 	/* last fence for cs using this vm */
902 	struct radeon_fence		*fence;
903 	/* last flush or NULL if we still need to flush */
904 	struct radeon_fence		*last_flush;
905 	/* last use of vmid */
906 	struct radeon_fence		*last_id_use;
907 };
908 
909 struct radeon_vm_manager {
910 	struct radeon_fence		*active[RADEON_NUM_VM];
911 	uint32_t			max_pfn;
912 	/* number of VMIDs */
913 	unsigned			nvm;
914 	/* vram base address for page table entry  */
915 	u64				vram_base_offset;
916 	/* is vm enabled? */
917 	bool				enabled;
918 	/* for hw to save the PD addr on suspend/resume */
919 	uint32_t			saved_table_addr[RADEON_NUM_VM];
920 };
921 
922 /*
923  * file private structure
924  */
925 struct radeon_fpriv {
926 	struct radeon_vm		vm;
927 };
928 
929 /*
930  * R6xx+ IH ring
931  */
932 struct r600_ih {
933 	struct radeon_bo	*ring_obj;
934 	volatile uint32_t	*ring;
935 	unsigned		rptr;
936 	unsigned		ring_size;
937 	uint64_t		gpu_addr;
938 	uint32_t		ptr_mask;
939 	atomic_t		lock;
940 	bool                    enabled;
941 };
942 
943 /*
944  * RLC stuff
945  */
946 #include "clearstate_defs.h"
947 
948 struct radeon_rlc {
949 	/* for power gating */
950 	struct radeon_bo	*save_restore_obj;
951 	uint64_t		save_restore_gpu_addr;
952 	volatile uint32_t	*sr_ptr;
953 	const u32               *reg_list;
954 	u32                     reg_list_size;
955 	/* for clear state */
956 	struct radeon_bo	*clear_state_obj;
957 	uint64_t		clear_state_gpu_addr;
958 	volatile uint32_t	*cs_ptr;
959 	const struct cs_section_def   *cs_data;
960 	u32                     clear_state_size;
961 	/* for cp tables */
962 	struct radeon_bo	*cp_table_obj;
963 	uint64_t		cp_table_gpu_addr;
964 	volatile uint32_t	*cp_table_ptr;
965 	u32                     cp_table_size;
966 };
967 
968 int radeon_ib_get(struct radeon_device *rdev, int ring,
969 		  struct radeon_ib *ib, struct radeon_vm *vm,
970 		  unsigned size);
971 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
972 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
973 		       struct radeon_ib *const_ib, bool hdp_flush);
974 int radeon_ib_pool_init(struct radeon_device *rdev);
975 void radeon_ib_pool_fini(struct radeon_device *rdev);
976 int radeon_ib_ring_tests(struct radeon_device *rdev);
977 /* Ring access between begin & end cannot sleep */
978 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
979 				      struct radeon_ring *ring);
980 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
981 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
982 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
983 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
984 			bool hdp_flush);
985 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
986 			       bool hdp_flush);
987 void radeon_ring_undo(struct radeon_ring *ring);
988 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
989 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
990 void radeon_ring_lockup_update(struct radeon_device *rdev,
991 			       struct radeon_ring *ring);
992 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
993 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
994 			    uint32_t **data);
995 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
996 			unsigned size, uint32_t *data);
997 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
998 		     unsigned rptr_offs, u32 nop);
999 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
1000 
1001 
1002 /* r600 async dma */
1003 void r600_dma_stop(struct radeon_device *rdev);
1004 int r600_dma_resume(struct radeon_device *rdev);
1005 void r600_dma_fini(struct radeon_device *rdev);
1006 
1007 void cayman_dma_stop(struct radeon_device *rdev);
1008 int cayman_dma_resume(struct radeon_device *rdev);
1009 void cayman_dma_fini(struct radeon_device *rdev);
1010 
1011 /*
1012  * CS.
1013  */
1014 struct radeon_cs_reloc {
1015 	struct drm_gem_object		*gobj;
1016 	struct radeon_bo		*robj;
1017 	struct ttm_validate_buffer	tv;
1018 	uint64_t			gpu_offset;
1019 	unsigned			prefered_domains;
1020 	unsigned			allowed_domains;
1021 	uint32_t			tiling_flags;
1022 	uint32_t			handle;
1023 };
1024 
1025 struct radeon_cs_chunk {
1026 	uint32_t		chunk_id;
1027 	uint32_t		length_dw;
1028 	uint32_t		*kdata;
1029 	void __user		*user_ptr;
1030 };
1031 
1032 struct radeon_cs_parser {
1033 	struct device		*dev;
1034 	struct radeon_device	*rdev;
1035 	struct drm_file		*filp;
1036 	/* chunks */
1037 	unsigned		nchunks;
1038 	struct radeon_cs_chunk	*chunks;
1039 	uint64_t		*chunks_array;
1040 	/* IB */
1041 	unsigned		idx;
1042 	/* relocations */
1043 	unsigned		nrelocs;
1044 	struct radeon_cs_reloc	*relocs;
1045 	struct radeon_cs_reloc	**relocs_ptr;
1046 	struct radeon_cs_reloc	*vm_bos;
1047 	struct list_head	validated;
1048 	unsigned		dma_reloc_idx;
1049 	/* indices of various chunks */
1050 	int			chunk_ib_idx;
1051 	int			chunk_relocs_idx;
1052 	int			chunk_flags_idx;
1053 	int			chunk_const_ib_idx;
1054 	struct radeon_ib	ib;
1055 	struct radeon_ib	const_ib;
1056 	void			*track;
1057 	unsigned		family;
1058 	int			parser_error;
1059 	u32			cs_flags;
1060 	u32			ring;
1061 	s32			priority;
1062 	struct ww_acquire_ctx	ticket;
1063 };
1064 
1065 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1066 {
1067 	struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
1068 
1069 	if (ibc->kdata)
1070 		return ibc->kdata[idx];
1071 	return p->ib.ptr[idx];
1072 }
1073 
1074 
1075 struct radeon_cs_packet {
1076 	unsigned	idx;
1077 	unsigned	type;
1078 	unsigned	reg;
1079 	unsigned	opcode;
1080 	int		count;
1081 	unsigned	one_reg_wr;
1082 };
1083 
1084 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1085 				      struct radeon_cs_packet *pkt,
1086 				      unsigned idx, unsigned reg);
1087 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
1088 				      struct radeon_cs_packet *pkt);
1089 
1090 
1091 /*
1092  * AGP
1093  */
1094 int radeon_agp_init(struct radeon_device *rdev);
1095 void radeon_agp_resume(struct radeon_device *rdev);
1096 void radeon_agp_suspend(struct radeon_device *rdev);
1097 void radeon_agp_fini(struct radeon_device *rdev);
1098 
1099 
1100 /*
1101  * Writeback
1102  */
1103 struct radeon_wb {
1104 	struct radeon_bo	*wb_obj;
1105 	volatile uint32_t	*wb;
1106 	uint64_t		gpu_addr;
1107 	bool                    enabled;
1108 	bool                    use_event;
1109 };
1110 
1111 #define RADEON_WB_SCRATCH_OFFSET 0
1112 #define RADEON_WB_RING0_NEXT_RPTR 256
1113 #define RADEON_WB_CP_RPTR_OFFSET 1024
1114 #define RADEON_WB_CP1_RPTR_OFFSET 1280
1115 #define RADEON_WB_CP2_RPTR_OFFSET 1536
1116 #define R600_WB_DMA_RPTR_OFFSET   1792
1117 #define R600_WB_IH_WPTR_OFFSET   2048
1118 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1119 #define R600_WB_EVENT_OFFSET     3072
1120 #define CIK_WB_CP1_WPTR_OFFSET     3328
1121 #define CIK_WB_CP2_WPTR_OFFSET     3584
1122 
1123 /**
1124  * struct radeon_pm - power management datas
1125  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1126  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1127  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1128  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1129  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1130  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1131  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1132  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1133  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1134  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1135  * @needed_bandwidth:   current bandwidth needs
1136  *
1137  * It keeps track of various data needed to take powermanagement decision.
1138  * Bandwidth need is used to determine minimun clock of the GPU and memory.
1139  * Equation between gpu/memory clock and available bandwidth is hw dependent
1140  * (type of memory, bus size, efficiency, ...)
1141  */
1142 
1143 enum radeon_pm_method {
1144 	PM_METHOD_PROFILE,
1145 	PM_METHOD_DYNPM,
1146 	PM_METHOD_DPM,
1147 };
1148 
1149 enum radeon_dynpm_state {
1150 	DYNPM_STATE_DISABLED,
1151 	DYNPM_STATE_MINIMUM,
1152 	DYNPM_STATE_PAUSED,
1153 	DYNPM_STATE_ACTIVE,
1154 	DYNPM_STATE_SUSPENDED,
1155 };
1156 enum radeon_dynpm_action {
1157 	DYNPM_ACTION_NONE,
1158 	DYNPM_ACTION_MINIMUM,
1159 	DYNPM_ACTION_DOWNCLOCK,
1160 	DYNPM_ACTION_UPCLOCK,
1161 	DYNPM_ACTION_DEFAULT
1162 };
1163 
1164 enum radeon_voltage_type {
1165 	VOLTAGE_NONE = 0,
1166 	VOLTAGE_GPIO,
1167 	VOLTAGE_VDDC,
1168 	VOLTAGE_SW
1169 };
1170 
1171 enum radeon_pm_state_type {
1172 	/* not used for dpm */
1173 	POWER_STATE_TYPE_DEFAULT,
1174 	POWER_STATE_TYPE_POWERSAVE,
1175 	/* user selectable states */
1176 	POWER_STATE_TYPE_BATTERY,
1177 	POWER_STATE_TYPE_BALANCED,
1178 	POWER_STATE_TYPE_PERFORMANCE,
1179 	/* internal states */
1180 	POWER_STATE_TYPE_INTERNAL_UVD,
1181 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1182 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1183 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1184 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1185 	POWER_STATE_TYPE_INTERNAL_BOOT,
1186 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1187 	POWER_STATE_TYPE_INTERNAL_ACPI,
1188 	POWER_STATE_TYPE_INTERNAL_ULV,
1189 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1190 };
1191 
1192 enum radeon_pm_profile_type {
1193 	PM_PROFILE_DEFAULT,
1194 	PM_PROFILE_AUTO,
1195 	PM_PROFILE_LOW,
1196 	PM_PROFILE_MID,
1197 	PM_PROFILE_HIGH,
1198 };
1199 
1200 #define PM_PROFILE_DEFAULT_IDX 0
1201 #define PM_PROFILE_LOW_SH_IDX  1
1202 #define PM_PROFILE_MID_SH_IDX  2
1203 #define PM_PROFILE_HIGH_SH_IDX 3
1204 #define PM_PROFILE_LOW_MH_IDX  4
1205 #define PM_PROFILE_MID_MH_IDX  5
1206 #define PM_PROFILE_HIGH_MH_IDX 6
1207 #define PM_PROFILE_MAX         7
1208 
1209 struct radeon_pm_profile {
1210 	int dpms_off_ps_idx;
1211 	int dpms_on_ps_idx;
1212 	int dpms_off_cm_idx;
1213 	int dpms_on_cm_idx;
1214 };
1215 
1216 enum radeon_int_thermal_type {
1217 	THERMAL_TYPE_NONE,
1218 	THERMAL_TYPE_EXTERNAL,
1219 	THERMAL_TYPE_EXTERNAL_GPIO,
1220 	THERMAL_TYPE_RV6XX,
1221 	THERMAL_TYPE_RV770,
1222 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1223 	THERMAL_TYPE_EVERGREEN,
1224 	THERMAL_TYPE_SUMO,
1225 	THERMAL_TYPE_NI,
1226 	THERMAL_TYPE_SI,
1227 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1228 	THERMAL_TYPE_CI,
1229 	THERMAL_TYPE_KV,
1230 };
1231 
1232 struct radeon_voltage {
1233 	enum radeon_voltage_type type;
1234 	/* gpio voltage */
1235 	struct radeon_gpio_rec gpio;
1236 	u32 delay; /* delay in usec from voltage drop to sclk change */
1237 	bool active_high; /* voltage drop is active when bit is high */
1238 	/* VDDC voltage */
1239 	u8 vddc_id; /* index into vddc voltage table */
1240 	u8 vddci_id; /* index into vddci voltage table */
1241 	bool vddci_enabled;
1242 	/* r6xx+ sw */
1243 	u16 voltage;
1244 	/* evergreen+ vddci */
1245 	u16 vddci;
1246 };
1247 
1248 /* clock mode flags */
1249 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1250 
1251 struct radeon_pm_clock_info {
1252 	/* memory clock */
1253 	u32 mclk;
1254 	/* engine clock */
1255 	u32 sclk;
1256 	/* voltage info */
1257 	struct radeon_voltage voltage;
1258 	/* standardized clock flags */
1259 	u32 flags;
1260 };
1261 
1262 /* state flags */
1263 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1264 
1265 struct radeon_power_state {
1266 	enum radeon_pm_state_type type;
1267 	struct radeon_pm_clock_info *clock_info;
1268 	/* number of valid clock modes in this power state */
1269 	int num_clock_modes;
1270 	struct radeon_pm_clock_info *default_clock_mode;
1271 	/* standardized state flags */
1272 	u32 flags;
1273 	u32 misc; /* vbios specific flags */
1274 	u32 misc2; /* vbios specific flags */
1275 	int pcie_lanes; /* pcie lanes */
1276 };
1277 
1278 /*
1279  * Some modes are overclocked by very low value, accept them
1280  */
1281 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1282 
1283 enum radeon_dpm_auto_throttle_src {
1284 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1285 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1286 };
1287 
1288 enum radeon_dpm_event_src {
1289 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1290 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1291 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1292 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1293 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1294 };
1295 
1296 #define RADEON_MAX_VCE_LEVELS 6
1297 
1298 enum radeon_vce_level {
1299 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1300 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1301 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1302 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1303 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1304 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1305 };
1306 
1307 struct radeon_ps {
1308 	u32 caps; /* vbios flags */
1309 	u32 class; /* vbios flags */
1310 	u32 class2; /* vbios flags */
1311 	/* UVD clocks */
1312 	u32 vclk;
1313 	u32 dclk;
1314 	/* VCE clocks */
1315 	u32 evclk;
1316 	u32 ecclk;
1317 	bool vce_active;
1318 	enum radeon_vce_level vce_level;
1319 	/* asic priv */
1320 	void *ps_priv;
1321 };
1322 
1323 struct radeon_dpm_thermal {
1324 	/* thermal interrupt work */
1325 	struct work_struct work;
1326 	/* low temperature threshold */
1327 	int                min_temp;
1328 	/* high temperature threshold */
1329 	int                max_temp;
1330 	/* was interrupt low to high or high to low */
1331 	bool               high_to_low;
1332 };
1333 
1334 enum radeon_clk_action
1335 {
1336 	RADEON_SCLK_UP = 1,
1337 	RADEON_SCLK_DOWN
1338 };
1339 
1340 struct radeon_blacklist_clocks
1341 {
1342 	u32 sclk;
1343 	u32 mclk;
1344 	enum radeon_clk_action action;
1345 };
1346 
1347 struct radeon_clock_and_voltage_limits {
1348 	u32 sclk;
1349 	u32 mclk;
1350 	u16 vddc;
1351 	u16 vddci;
1352 };
1353 
1354 struct radeon_clock_array {
1355 	u32 count;
1356 	u32 *values;
1357 };
1358 
1359 struct radeon_clock_voltage_dependency_entry {
1360 	u32 clk;
1361 	u16 v;
1362 };
1363 
1364 struct radeon_clock_voltage_dependency_table {
1365 	u32 count;
1366 	struct radeon_clock_voltage_dependency_entry *entries;
1367 };
1368 
1369 union radeon_cac_leakage_entry {
1370 	struct {
1371 		u16 vddc;
1372 		u32 leakage;
1373 	};
1374 	struct {
1375 		u16 vddc1;
1376 		u16 vddc2;
1377 		u16 vddc3;
1378 	};
1379 };
1380 
1381 struct radeon_cac_leakage_table {
1382 	u32 count;
1383 	union radeon_cac_leakage_entry *entries;
1384 };
1385 
1386 struct radeon_phase_shedding_limits_entry {
1387 	u16 voltage;
1388 	u32 sclk;
1389 	u32 mclk;
1390 };
1391 
1392 struct radeon_phase_shedding_limits_table {
1393 	u32 count;
1394 	struct radeon_phase_shedding_limits_entry *entries;
1395 };
1396 
1397 struct radeon_uvd_clock_voltage_dependency_entry {
1398 	u32 vclk;
1399 	u32 dclk;
1400 	u16 v;
1401 };
1402 
1403 struct radeon_uvd_clock_voltage_dependency_table {
1404 	u8 count;
1405 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1406 };
1407 
1408 struct radeon_vce_clock_voltage_dependency_entry {
1409 	u32 ecclk;
1410 	u32 evclk;
1411 	u16 v;
1412 };
1413 
1414 struct radeon_vce_clock_voltage_dependency_table {
1415 	u8 count;
1416 	struct radeon_vce_clock_voltage_dependency_entry *entries;
1417 };
1418 
1419 struct radeon_ppm_table {
1420 	u8 ppm_design;
1421 	u16 cpu_core_number;
1422 	u32 platform_tdp;
1423 	u32 small_ac_platform_tdp;
1424 	u32 platform_tdc;
1425 	u32 small_ac_platform_tdc;
1426 	u32 apu_tdp;
1427 	u32 dgpu_tdp;
1428 	u32 dgpu_ulv_power;
1429 	u32 tj_max;
1430 };
1431 
1432 struct radeon_cac_tdp_table {
1433 	u16 tdp;
1434 	u16 configurable_tdp;
1435 	u16 tdc;
1436 	u16 battery_power_limit;
1437 	u16 small_power_limit;
1438 	u16 low_cac_leakage;
1439 	u16 high_cac_leakage;
1440 	u16 maximum_power_delivery_limit;
1441 };
1442 
1443 struct radeon_dpm_dynamic_state {
1444 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1445 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1446 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1447 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1448 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1449 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1450 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1451 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1452 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1453 	struct radeon_clock_array valid_sclk_values;
1454 	struct radeon_clock_array valid_mclk_values;
1455 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1456 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1457 	u32 mclk_sclk_ratio;
1458 	u32 sclk_mclk_delta;
1459 	u16 vddc_vddci_delta;
1460 	u16 min_vddc_for_pcie_gen2;
1461 	struct radeon_cac_leakage_table cac_leakage_table;
1462 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1463 	struct radeon_ppm_table *ppm_table;
1464 	struct radeon_cac_tdp_table *cac_tdp_table;
1465 };
1466 
1467 struct radeon_dpm_fan {
1468 	u16 t_min;
1469 	u16 t_med;
1470 	u16 t_high;
1471 	u16 pwm_min;
1472 	u16 pwm_med;
1473 	u16 pwm_high;
1474 	u8 t_hyst;
1475 	u32 cycle_delay;
1476 	u16 t_max;
1477 	bool ucode_fan_control;
1478 };
1479 
1480 enum radeon_pcie_gen {
1481 	RADEON_PCIE_GEN1 = 0,
1482 	RADEON_PCIE_GEN2 = 1,
1483 	RADEON_PCIE_GEN3 = 2,
1484 	RADEON_PCIE_GEN_INVALID = 0xffff
1485 };
1486 
1487 enum radeon_dpm_forced_level {
1488 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1489 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1490 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1491 };
1492 
1493 struct radeon_vce_state {
1494 	/* vce clocks */
1495 	u32 evclk;
1496 	u32 ecclk;
1497 	/* gpu clocks */
1498 	u32 sclk;
1499 	u32 mclk;
1500 	u8 clk_idx;
1501 	u8 pstate;
1502 };
1503 
1504 struct radeon_dpm {
1505 	struct radeon_ps        *ps;
1506 	/* number of valid power states */
1507 	int                     num_ps;
1508 	/* current power state that is active */
1509 	struct radeon_ps        *current_ps;
1510 	/* requested power state */
1511 	struct radeon_ps        *requested_ps;
1512 	/* boot up power state */
1513 	struct radeon_ps        *boot_ps;
1514 	/* default uvd power state */
1515 	struct radeon_ps        *uvd_ps;
1516 	/* vce requirements */
1517 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1518 	enum radeon_vce_level vce_level;
1519 	enum radeon_pm_state_type state;
1520 	enum radeon_pm_state_type user_state;
1521 	u32                     platform_caps;
1522 	u32                     voltage_response_time;
1523 	u32                     backbias_response_time;
1524 	void                    *priv;
1525 	u32			new_active_crtcs;
1526 	int			new_active_crtc_count;
1527 	u32			current_active_crtcs;
1528 	int			current_active_crtc_count;
1529 	struct radeon_dpm_dynamic_state dyn_state;
1530 	struct radeon_dpm_fan fan;
1531 	u32 tdp_limit;
1532 	u32 near_tdp_limit;
1533 	u32 near_tdp_limit_adjusted;
1534 	u32 sq_ramping_threshold;
1535 	u32 cac_leakage;
1536 	u16 tdp_od_limit;
1537 	u32 tdp_adjustment;
1538 	u16 load_line_slope;
1539 	bool power_control;
1540 	bool ac_power;
1541 	/* special states active */
1542 	bool                    thermal_active;
1543 	bool                    uvd_active;
1544 	bool                    vce_active;
1545 	/* thermal handling */
1546 	struct radeon_dpm_thermal thermal;
1547 	/* forced levels */
1548 	enum radeon_dpm_forced_level forced_level;
1549 	/* track UVD streams */
1550 	unsigned sd;
1551 	unsigned hd;
1552 };
1553 
1554 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1555 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1556 
1557 struct radeon_pm {
1558 	struct mutex		mutex;
1559 	/* write locked while reprogramming mclk */
1560 	struct rw_semaphore	mclk_lock;
1561 	u32			active_crtcs;
1562 	int			active_crtc_count;
1563 	int			req_vblank;
1564 	bool			vblank_sync;
1565 	fixed20_12		max_bandwidth;
1566 	fixed20_12		igp_sideport_mclk;
1567 	fixed20_12		igp_system_mclk;
1568 	fixed20_12		igp_ht_link_clk;
1569 	fixed20_12		igp_ht_link_width;
1570 	fixed20_12		k8_bandwidth;
1571 	fixed20_12		sideport_bandwidth;
1572 	fixed20_12		ht_bandwidth;
1573 	fixed20_12		core_bandwidth;
1574 	fixed20_12		sclk;
1575 	fixed20_12		mclk;
1576 	fixed20_12		needed_bandwidth;
1577 	struct radeon_power_state *power_state;
1578 	/* number of valid power states */
1579 	int                     num_power_states;
1580 	int                     current_power_state_index;
1581 	int                     current_clock_mode_index;
1582 	int                     requested_power_state_index;
1583 	int                     requested_clock_mode_index;
1584 	int                     default_power_state_index;
1585 	u32                     current_sclk;
1586 	u32                     current_mclk;
1587 	u16                     current_vddc;
1588 	u16                     current_vddci;
1589 	u32                     default_sclk;
1590 	u32                     default_mclk;
1591 	u16                     default_vddc;
1592 	u16                     default_vddci;
1593 	struct radeon_i2c_chan *i2c_bus;
1594 	/* selected pm method */
1595 	enum radeon_pm_method     pm_method;
1596 	/* dynpm power management */
1597 	struct delayed_work	dynpm_idle_work;
1598 	enum radeon_dynpm_state	dynpm_state;
1599 	enum radeon_dynpm_action	dynpm_planned_action;
1600 	unsigned long		dynpm_action_timeout;
1601 	bool                    dynpm_can_upclock;
1602 	bool                    dynpm_can_downclock;
1603 	/* profile-based power management */
1604 	enum radeon_pm_profile_type profile;
1605 	int                     profile_index;
1606 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1607 	/* internal thermal controller on rv6xx+ */
1608 	enum radeon_int_thermal_type int_thermal_type;
1609 	struct device	        *int_hwmon_dev;
1610 	/* dpm */
1611 	bool                    dpm_enabled;
1612 	struct radeon_dpm       dpm;
1613 };
1614 
1615 int radeon_pm_get_type_index(struct radeon_device *rdev,
1616 			     enum radeon_pm_state_type ps_type,
1617 			     int instance);
1618 /*
1619  * UVD
1620  */
1621 #define RADEON_MAX_UVD_HANDLES	10
1622 #define RADEON_UVD_STACK_SIZE	(1024*1024)
1623 #define RADEON_UVD_HEAP_SIZE	(1024*1024)
1624 
1625 struct radeon_uvd {
1626 	struct radeon_bo	*vcpu_bo;
1627 	void			*cpu_addr;
1628 	uint64_t		gpu_addr;
1629 	void			*saved_bo;
1630 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1631 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1632 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1633 	struct delayed_work	idle_work;
1634 };
1635 
1636 int radeon_uvd_init(struct radeon_device *rdev);
1637 void radeon_uvd_fini(struct radeon_device *rdev);
1638 int radeon_uvd_suspend(struct radeon_device *rdev);
1639 int radeon_uvd_resume(struct radeon_device *rdev);
1640 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1641 			      uint32_t handle, struct radeon_fence **fence);
1642 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1643 			       uint32_t handle, struct radeon_fence **fence);
1644 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo);
1645 void radeon_uvd_free_handles(struct radeon_device *rdev,
1646 			     struct drm_file *filp);
1647 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1648 void radeon_uvd_note_usage(struct radeon_device *rdev);
1649 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1650 				  unsigned vclk, unsigned dclk,
1651 				  unsigned vco_min, unsigned vco_max,
1652 				  unsigned fb_factor, unsigned fb_mask,
1653 				  unsigned pd_min, unsigned pd_max,
1654 				  unsigned pd_even,
1655 				  unsigned *optimal_fb_div,
1656 				  unsigned *optimal_vclk_div,
1657 				  unsigned *optimal_dclk_div);
1658 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1659                                 unsigned cg_upll_func_cntl);
1660 
1661 /*
1662  * VCE
1663  */
1664 #define RADEON_MAX_VCE_HANDLES	16
1665 #define RADEON_VCE_STACK_SIZE	(1024*1024)
1666 #define RADEON_VCE_HEAP_SIZE	(4*1024*1024)
1667 
1668 struct radeon_vce {
1669 	struct radeon_bo	*vcpu_bo;
1670 	uint64_t		gpu_addr;
1671 	unsigned		fw_version;
1672 	unsigned		fb_version;
1673 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1674 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1675 	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
1676 	struct delayed_work	idle_work;
1677 };
1678 
1679 int radeon_vce_init(struct radeon_device *rdev);
1680 void radeon_vce_fini(struct radeon_device *rdev);
1681 int radeon_vce_suspend(struct radeon_device *rdev);
1682 int radeon_vce_resume(struct radeon_device *rdev);
1683 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1684 			      uint32_t handle, struct radeon_fence **fence);
1685 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1686 			       uint32_t handle, struct radeon_fence **fence);
1687 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1688 void radeon_vce_note_usage(struct radeon_device *rdev);
1689 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
1690 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1691 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1692 			       struct radeon_ring *ring,
1693 			       struct radeon_semaphore *semaphore,
1694 			       bool emit_wait);
1695 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1696 void radeon_vce_fence_emit(struct radeon_device *rdev,
1697 			   struct radeon_fence *fence);
1698 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1699 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1700 
1701 struct r600_audio_pin {
1702 	int			channels;
1703 	int			rate;
1704 	int			bits_per_sample;
1705 	u8			status_bits;
1706 	u8			category_code;
1707 	u32			offset;
1708 	bool			connected;
1709 	u32			id;
1710 };
1711 
1712 struct r600_audio {
1713 	bool enabled;
1714 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1715 	int num_pins;
1716 };
1717 
1718 /*
1719  * Benchmarking
1720  */
1721 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1722 
1723 
1724 /*
1725  * Testing
1726  */
1727 void radeon_test_moves(struct radeon_device *rdev);
1728 void radeon_test_ring_sync(struct radeon_device *rdev,
1729 			   struct radeon_ring *cpA,
1730 			   struct radeon_ring *cpB);
1731 void radeon_test_syncing(struct radeon_device *rdev);
1732 
1733 
1734 /*
1735  * Debugfs
1736  */
1737 struct radeon_debugfs {
1738 	struct drm_info_list	*files;
1739 	unsigned		num_files;
1740 };
1741 
1742 int radeon_debugfs_add_files(struct radeon_device *rdev,
1743 			     struct drm_info_list *files,
1744 			     unsigned nfiles);
1745 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1746 
1747 /*
1748  * ASIC ring specific functions.
1749  */
1750 struct radeon_asic_ring {
1751 	/* ring read/write ptr handling */
1752 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1753 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1754 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1755 
1756 	/* validating and patching of IBs */
1757 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1758 	int (*cs_parse)(struct radeon_cs_parser *p);
1759 
1760 	/* command emmit functions */
1761 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1762 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1763 	void (*hdp_flush)(struct radeon_device *rdev, struct radeon_ring *ring);
1764 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1765 			       struct radeon_semaphore *semaphore, bool emit_wait);
1766 	void (*vm_flush)(struct radeon_device *rdev, int ridx, struct radeon_vm *vm);
1767 
1768 	/* testing functions */
1769 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1770 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1771 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1772 
1773 	/* deprecated */
1774 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1775 };
1776 
1777 /*
1778  * ASIC specific functions.
1779  */
1780 struct radeon_asic {
1781 	int (*init)(struct radeon_device *rdev);
1782 	void (*fini)(struct radeon_device *rdev);
1783 	int (*resume)(struct radeon_device *rdev);
1784 	int (*suspend)(struct radeon_device *rdev);
1785 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1786 	int (*asic_reset)(struct radeon_device *rdev);
1787 	/* Flush the HDP cache via MMIO */
1788 	void (*mmio_hdp_flush)(struct radeon_device *rdev);
1789 	/* check if 3D engine is idle */
1790 	bool (*gui_idle)(struct radeon_device *rdev);
1791 	/* wait for mc_idle */
1792 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1793 	/* get the reference clock */
1794 	u32 (*get_xclk)(struct radeon_device *rdev);
1795 	/* get the gpu clock counter */
1796 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1797 	/* gart */
1798 	struct {
1799 		void (*tlb_flush)(struct radeon_device *rdev);
1800 		void (*set_page)(struct radeon_device *rdev, unsigned i,
1801 				 uint64_t addr, uint32_t flags);
1802 	} gart;
1803 	struct {
1804 		int (*init)(struct radeon_device *rdev);
1805 		void (*fini)(struct radeon_device *rdev);
1806 		void (*copy_pages)(struct radeon_device *rdev,
1807 				   struct radeon_ib *ib,
1808 				   uint64_t pe, uint64_t src,
1809 				   unsigned count);
1810 		void (*write_pages)(struct radeon_device *rdev,
1811 				    struct radeon_ib *ib,
1812 				    uint64_t pe,
1813 				    uint64_t addr, unsigned count,
1814 				    uint32_t incr, uint32_t flags);
1815 		void (*set_pages)(struct radeon_device *rdev,
1816 				  struct radeon_ib *ib,
1817 				  uint64_t pe,
1818 				  uint64_t addr, unsigned count,
1819 				  uint32_t incr, uint32_t flags);
1820 		void (*pad_ib)(struct radeon_ib *ib);
1821 	} vm;
1822 	/* ring specific callbacks */
1823 	struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1824 	/* irqs */
1825 	struct {
1826 		int (*set)(struct radeon_device *rdev);
1827 		int (*process)(struct radeon_device *rdev);
1828 	} irq;
1829 	/* displays */
1830 	struct {
1831 		/* display watermarks */
1832 		void (*bandwidth_update)(struct radeon_device *rdev);
1833 		/* get frame count */
1834 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1835 		/* wait for vblank */
1836 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1837 		/* set backlight level */
1838 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1839 		/* get backlight level */
1840 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1841 		/* audio callbacks */
1842 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1843 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1844 	} display;
1845 	/* copy functions for bo handling */
1846 	struct {
1847 		int (*blit)(struct radeon_device *rdev,
1848 			    uint64_t src_offset,
1849 			    uint64_t dst_offset,
1850 			    unsigned num_gpu_pages,
1851 			    struct radeon_fence **fence);
1852 		u32 blit_ring_index;
1853 		int (*dma)(struct radeon_device *rdev,
1854 			   uint64_t src_offset,
1855 			   uint64_t dst_offset,
1856 			   unsigned num_gpu_pages,
1857 			   struct radeon_fence **fence);
1858 		u32 dma_ring_index;
1859 		/* method used for bo copy */
1860 		int (*copy)(struct radeon_device *rdev,
1861 			    uint64_t src_offset,
1862 			    uint64_t dst_offset,
1863 			    unsigned num_gpu_pages,
1864 			    struct radeon_fence **fence);
1865 		/* ring used for bo copies */
1866 		u32 copy_ring_index;
1867 	} copy;
1868 	/* surfaces */
1869 	struct {
1870 		int (*set_reg)(struct radeon_device *rdev, int reg,
1871 				       uint32_t tiling_flags, uint32_t pitch,
1872 				       uint32_t offset, uint32_t obj_size);
1873 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1874 	} surface;
1875 	/* hotplug detect */
1876 	struct {
1877 		void (*init)(struct radeon_device *rdev);
1878 		void (*fini)(struct radeon_device *rdev);
1879 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1880 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1881 	} hpd;
1882 	/* static power management */
1883 	struct {
1884 		void (*misc)(struct radeon_device *rdev);
1885 		void (*prepare)(struct radeon_device *rdev);
1886 		void (*finish)(struct radeon_device *rdev);
1887 		void (*init_profile)(struct radeon_device *rdev);
1888 		void (*get_dynpm_state)(struct radeon_device *rdev);
1889 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1890 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1891 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1892 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1893 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1894 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1895 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1896 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1897 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1898 		int (*get_temperature)(struct radeon_device *rdev);
1899 	} pm;
1900 	/* dynamic power management */
1901 	struct {
1902 		int (*init)(struct radeon_device *rdev);
1903 		void (*setup_asic)(struct radeon_device *rdev);
1904 		int (*enable)(struct radeon_device *rdev);
1905 		int (*late_enable)(struct radeon_device *rdev);
1906 		void (*disable)(struct radeon_device *rdev);
1907 		int (*pre_set_power_state)(struct radeon_device *rdev);
1908 		int (*set_power_state)(struct radeon_device *rdev);
1909 		void (*post_set_power_state)(struct radeon_device *rdev);
1910 		void (*display_configuration_changed)(struct radeon_device *rdev);
1911 		void (*fini)(struct radeon_device *rdev);
1912 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1913 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1914 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1915 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1916 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1917 		bool (*vblank_too_short)(struct radeon_device *rdev);
1918 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1919 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1920 	} dpm;
1921 	/* pageflipping */
1922 	struct {
1923 		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1924 		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
1925 	} pflip;
1926 };
1927 
1928 /*
1929  * Asic structures
1930  */
1931 struct r100_asic {
1932 	const unsigned		*reg_safe_bm;
1933 	unsigned		reg_safe_bm_size;
1934 	u32			hdp_cntl;
1935 };
1936 
1937 struct r300_asic {
1938 	const unsigned		*reg_safe_bm;
1939 	unsigned		reg_safe_bm_size;
1940 	u32			resync_scratch;
1941 	u32			hdp_cntl;
1942 };
1943 
1944 struct r600_asic {
1945 	unsigned		max_pipes;
1946 	unsigned		max_tile_pipes;
1947 	unsigned		max_simds;
1948 	unsigned		max_backends;
1949 	unsigned		max_gprs;
1950 	unsigned		max_threads;
1951 	unsigned		max_stack_entries;
1952 	unsigned		max_hw_contexts;
1953 	unsigned		max_gs_threads;
1954 	unsigned		sx_max_export_size;
1955 	unsigned		sx_max_export_pos_size;
1956 	unsigned		sx_max_export_smx_size;
1957 	unsigned		sq_num_cf_insts;
1958 	unsigned		tiling_nbanks;
1959 	unsigned		tiling_npipes;
1960 	unsigned		tiling_group_size;
1961 	unsigned		tile_config;
1962 	unsigned		backend_map;
1963 	unsigned		active_simds;
1964 };
1965 
1966 struct rv770_asic {
1967 	unsigned		max_pipes;
1968 	unsigned		max_tile_pipes;
1969 	unsigned		max_simds;
1970 	unsigned		max_backends;
1971 	unsigned		max_gprs;
1972 	unsigned		max_threads;
1973 	unsigned		max_stack_entries;
1974 	unsigned		max_hw_contexts;
1975 	unsigned		max_gs_threads;
1976 	unsigned		sx_max_export_size;
1977 	unsigned		sx_max_export_pos_size;
1978 	unsigned		sx_max_export_smx_size;
1979 	unsigned		sq_num_cf_insts;
1980 	unsigned		sx_num_of_sets;
1981 	unsigned		sc_prim_fifo_size;
1982 	unsigned		sc_hiz_tile_fifo_size;
1983 	unsigned		sc_earlyz_tile_fifo_fize;
1984 	unsigned		tiling_nbanks;
1985 	unsigned		tiling_npipes;
1986 	unsigned		tiling_group_size;
1987 	unsigned		tile_config;
1988 	unsigned		backend_map;
1989 	unsigned		active_simds;
1990 };
1991 
1992 struct evergreen_asic {
1993 	unsigned num_ses;
1994 	unsigned max_pipes;
1995 	unsigned max_tile_pipes;
1996 	unsigned max_simds;
1997 	unsigned max_backends;
1998 	unsigned max_gprs;
1999 	unsigned max_threads;
2000 	unsigned max_stack_entries;
2001 	unsigned max_hw_contexts;
2002 	unsigned max_gs_threads;
2003 	unsigned sx_max_export_size;
2004 	unsigned sx_max_export_pos_size;
2005 	unsigned sx_max_export_smx_size;
2006 	unsigned sq_num_cf_insts;
2007 	unsigned sx_num_of_sets;
2008 	unsigned sc_prim_fifo_size;
2009 	unsigned sc_hiz_tile_fifo_size;
2010 	unsigned sc_earlyz_tile_fifo_size;
2011 	unsigned tiling_nbanks;
2012 	unsigned tiling_npipes;
2013 	unsigned tiling_group_size;
2014 	unsigned tile_config;
2015 	unsigned backend_map;
2016 	unsigned active_simds;
2017 };
2018 
2019 struct cayman_asic {
2020 	unsigned max_shader_engines;
2021 	unsigned max_pipes_per_simd;
2022 	unsigned max_tile_pipes;
2023 	unsigned max_simds_per_se;
2024 	unsigned max_backends_per_se;
2025 	unsigned max_texture_channel_caches;
2026 	unsigned max_gprs;
2027 	unsigned max_threads;
2028 	unsigned max_gs_threads;
2029 	unsigned max_stack_entries;
2030 	unsigned sx_num_of_sets;
2031 	unsigned sx_max_export_size;
2032 	unsigned sx_max_export_pos_size;
2033 	unsigned sx_max_export_smx_size;
2034 	unsigned max_hw_contexts;
2035 	unsigned sq_num_cf_insts;
2036 	unsigned sc_prim_fifo_size;
2037 	unsigned sc_hiz_tile_fifo_size;
2038 	unsigned sc_earlyz_tile_fifo_size;
2039 
2040 	unsigned num_shader_engines;
2041 	unsigned num_shader_pipes_per_simd;
2042 	unsigned num_tile_pipes;
2043 	unsigned num_simds_per_se;
2044 	unsigned num_backends_per_se;
2045 	unsigned backend_disable_mask_per_asic;
2046 	unsigned backend_map;
2047 	unsigned num_texture_channel_caches;
2048 	unsigned mem_max_burst_length_bytes;
2049 	unsigned mem_row_size_in_kb;
2050 	unsigned shader_engine_tile_size;
2051 	unsigned num_gpus;
2052 	unsigned multi_gpu_tile_size;
2053 
2054 	unsigned tile_config;
2055 	unsigned active_simds;
2056 };
2057 
2058 struct si_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 active_cus;
2087 };
2088 
2089 struct cik_asic {
2090 	unsigned max_shader_engines;
2091 	unsigned max_tile_pipes;
2092 	unsigned max_cu_per_sh;
2093 	unsigned max_sh_per_se;
2094 	unsigned max_backends_per_se;
2095 	unsigned max_texture_channel_caches;
2096 	unsigned max_gprs;
2097 	unsigned max_gs_threads;
2098 	unsigned max_hw_contexts;
2099 	unsigned sc_prim_fifo_size_frontend;
2100 	unsigned sc_prim_fifo_size_backend;
2101 	unsigned sc_hiz_tile_fifo_size;
2102 	unsigned sc_earlyz_tile_fifo_size;
2103 
2104 	unsigned num_tile_pipes;
2105 	unsigned backend_enable_mask;
2106 	unsigned backend_disable_mask_per_asic;
2107 	unsigned backend_map;
2108 	unsigned num_texture_channel_caches;
2109 	unsigned mem_max_burst_length_bytes;
2110 	unsigned mem_row_size_in_kb;
2111 	unsigned shader_engine_tile_size;
2112 	unsigned num_gpus;
2113 	unsigned multi_gpu_tile_size;
2114 
2115 	unsigned tile_config;
2116 	uint32_t tile_mode_array[32];
2117 	uint32_t macrotile_mode_array[16];
2118 	uint32_t active_cus;
2119 };
2120 
2121 union radeon_asic_config {
2122 	struct r300_asic	r300;
2123 	struct r100_asic	r100;
2124 	struct r600_asic	r600;
2125 	struct rv770_asic	rv770;
2126 	struct evergreen_asic	evergreen;
2127 	struct cayman_asic	cayman;
2128 	struct si_asic		si;
2129 	struct cik_asic		cik;
2130 };
2131 
2132 /*
2133  * asic initizalization from radeon_asic.c
2134  */
2135 void radeon_agp_disable(struct radeon_device *rdev);
2136 int radeon_asic_init(struct radeon_device *rdev);
2137 
2138 
2139 /*
2140  * IOCTL.
2141  */
2142 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2143 			  struct drm_file *filp);
2144 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2145 			    struct drm_file *filp);
2146 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2147 			 struct drm_file *file_priv);
2148 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2149 			   struct drm_file *file_priv);
2150 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
2151 			    struct drm_file *file_priv);
2152 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
2153 			   struct drm_file *file_priv);
2154 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2155 				struct drm_file *filp);
2156 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2157 			  struct drm_file *filp);
2158 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2159 			  struct drm_file *filp);
2160 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2161 			      struct drm_file *filp);
2162 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2163 			  struct drm_file *filp);
2164 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2165 			struct drm_file *filp);
2166 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2167 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2168 				struct drm_file *filp);
2169 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2170 				struct drm_file *filp);
2171 
2172 /* VRAM scratch page for HDP bug, default vram page */
2173 struct r600_vram_scratch {
2174 	struct radeon_bo		*robj;
2175 	volatile uint32_t		*ptr;
2176 	u64				gpu_addr;
2177 };
2178 
2179 /*
2180  * ACPI
2181  */
2182 struct radeon_atif_notification_cfg {
2183 	bool enabled;
2184 	int command_code;
2185 };
2186 
2187 struct radeon_atif_notifications {
2188 	bool display_switch;
2189 	bool expansion_mode_change;
2190 	bool thermal_state;
2191 	bool forced_power_state;
2192 	bool system_power_state;
2193 	bool display_conf_change;
2194 	bool px_gfx_switch;
2195 	bool brightness_change;
2196 	bool dgpu_display_event;
2197 };
2198 
2199 struct radeon_atif_functions {
2200 	bool system_params;
2201 	bool sbios_requests;
2202 	bool select_active_disp;
2203 	bool lid_state;
2204 	bool get_tv_standard;
2205 	bool set_tv_standard;
2206 	bool get_panel_expansion_mode;
2207 	bool set_panel_expansion_mode;
2208 	bool temperature_change;
2209 	bool graphics_device_types;
2210 };
2211 
2212 struct radeon_atif {
2213 	struct radeon_atif_notifications notifications;
2214 	struct radeon_atif_functions functions;
2215 	struct radeon_atif_notification_cfg notification_cfg;
2216 	struct radeon_encoder *encoder_for_bl;
2217 };
2218 
2219 struct radeon_atcs_functions {
2220 	bool get_ext_state;
2221 	bool pcie_perf_req;
2222 	bool pcie_dev_rdy;
2223 	bool pcie_bus_width;
2224 };
2225 
2226 struct radeon_atcs {
2227 	struct radeon_atcs_functions functions;
2228 };
2229 
2230 /*
2231  * Core structure, functions and helpers.
2232  */
2233 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2234 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2235 
2236 struct radeon_device {
2237 	struct device			*dev;
2238 	struct drm_device		*ddev;
2239 	struct pci_dev			*pdev;
2240 	struct rw_semaphore		exclusive_lock;
2241 	/* ASIC */
2242 	union radeon_asic_config	config;
2243 	enum radeon_family		family;
2244 	unsigned long			flags;
2245 	int				usec_timeout;
2246 	enum radeon_pll_errata		pll_errata;
2247 	int				num_gb_pipes;
2248 	int				num_z_pipes;
2249 	int				disp_priority;
2250 	/* BIOS */
2251 	uint8_t				*bios;
2252 	bool				is_atom_bios;
2253 	uint16_t			bios_header_start;
2254 	struct radeon_bo		*stollen_vga_memory;
2255 	/* Register mmio */
2256 	resource_size_t			rmmio_base;
2257 	resource_size_t			rmmio_size;
2258 	/* protects concurrent MM_INDEX/DATA based register access */
2259 	spinlock_t mmio_idx_lock;
2260 	/* protects concurrent SMC based register access */
2261 	spinlock_t smc_idx_lock;
2262 	/* protects concurrent PLL register access */
2263 	spinlock_t pll_idx_lock;
2264 	/* protects concurrent MC register access */
2265 	spinlock_t mc_idx_lock;
2266 	/* protects concurrent PCIE register access */
2267 	spinlock_t pcie_idx_lock;
2268 	/* protects concurrent PCIE_PORT register access */
2269 	spinlock_t pciep_idx_lock;
2270 	/* protects concurrent PIF register access */
2271 	spinlock_t pif_idx_lock;
2272 	/* protects concurrent CG register access */
2273 	spinlock_t cg_idx_lock;
2274 	/* protects concurrent UVD register access */
2275 	spinlock_t uvd_idx_lock;
2276 	/* protects concurrent RCU register access */
2277 	spinlock_t rcu_idx_lock;
2278 	/* protects concurrent DIDT register access */
2279 	spinlock_t didt_idx_lock;
2280 	/* protects concurrent ENDPOINT (audio) register access */
2281 	spinlock_t end_idx_lock;
2282 	void __iomem			*rmmio;
2283 	radeon_rreg_t			mc_rreg;
2284 	radeon_wreg_t			mc_wreg;
2285 	radeon_rreg_t			pll_rreg;
2286 	radeon_wreg_t			pll_wreg;
2287 	uint32_t                        pcie_reg_mask;
2288 	radeon_rreg_t			pciep_rreg;
2289 	radeon_wreg_t			pciep_wreg;
2290 	/* io port */
2291 	void __iomem                    *rio_mem;
2292 	resource_size_t			rio_mem_size;
2293 	struct radeon_clock             clock;
2294 	struct radeon_mc		mc;
2295 	struct radeon_gart		gart;
2296 	struct radeon_mode_info		mode_info;
2297 	struct radeon_scratch		scratch;
2298 	struct radeon_doorbell		doorbell;
2299 	struct radeon_mman		mman;
2300 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2301 	wait_queue_head_t		fence_queue;
2302 	struct mutex			ring_lock;
2303 	struct radeon_ring		ring[RADEON_NUM_RINGS];
2304 	bool				ib_pool_ready;
2305 	struct radeon_sa_manager	ring_tmp_bo;
2306 	struct radeon_irq		irq;
2307 	struct radeon_asic		*asic;
2308 	struct radeon_gem		gem;
2309 	struct radeon_pm		pm;
2310 	struct radeon_uvd		uvd;
2311 	struct radeon_vce		vce;
2312 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2313 	struct radeon_wb		wb;
2314 	struct radeon_dummy_page	dummy_page;
2315 	bool				shutdown;
2316 	bool				suspend;
2317 	bool				need_dma32;
2318 	bool				accel_working;
2319 	bool				fastfb_working; /* IGP feature*/
2320 	bool				needs_reset;
2321 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2322 	const struct firmware *me_fw;	/* all family ME firmware */
2323 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2324 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2325 	const struct firmware *mc_fw;	/* NI MC firmware */
2326 	const struct firmware *ce_fw;	/* SI CE firmware */
2327 	const struct firmware *mec_fw;	/* CIK MEC firmware */
2328 	const struct firmware *mec2_fw;	/* KV MEC2 firmware */
2329 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2330 	const struct firmware *smc_fw;	/* SMC firmware */
2331 	const struct firmware *uvd_fw;	/* UVD firmware */
2332 	const struct firmware *vce_fw;	/* VCE firmware */
2333 	bool new_fw;
2334 	struct r600_vram_scratch vram_scratch;
2335 	int msi_enabled; /* msi enabled */
2336 	struct r600_ih ih; /* r6/700 interrupt ring */
2337 	struct radeon_rlc rlc;
2338 	struct radeon_mec mec;
2339 	struct work_struct hotplug_work;
2340 	struct work_struct audio_work;
2341 	struct work_struct reset_work;
2342 	int num_crtc; /* number of crtcs */
2343 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2344 	bool has_uvd;
2345 	struct r600_audio audio; /* audio stuff */
2346 	struct notifier_block acpi_nb;
2347 	/* only one userspace can use Hyperz features or CMASK at a time */
2348 	struct drm_file *hyperz_filp;
2349 	struct drm_file *cmask_filp;
2350 	/* i2c buses */
2351 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2352 	/* debugfs */
2353 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
2354 	unsigned 		debugfs_count;
2355 	/* virtual memory */
2356 	struct radeon_vm_manager	vm_manager;
2357 	struct mutex			gpu_clock_mutex;
2358 	/* memory stats */
2359 	atomic64_t			vram_usage;
2360 	atomic64_t			gtt_usage;
2361 	atomic64_t			num_bytes_moved;
2362 	/* ACPI interface */
2363 	struct radeon_atif		atif;
2364 	struct radeon_atcs		atcs;
2365 	/* srbm instance registers */
2366 	struct mutex			srbm_mutex;
2367 	/* clock, powergating flags */
2368 	u32 cg_flags;
2369 	u32 pg_flags;
2370 
2371 	struct dev_pm_domain vga_pm_domain;
2372 	bool have_disp_power_ref;
2373 	u32 px_quirk_flags;
2374 
2375 	/* tracking pinned memory */
2376 	u64 vram_pin_size;
2377 	u64 gart_pin_size;
2378 };
2379 
2380 bool radeon_is_px(struct drm_device *dev);
2381 int radeon_device_init(struct radeon_device *rdev,
2382 		       struct drm_device *ddev,
2383 		       struct pci_dev *pdev,
2384 		       uint32_t flags);
2385 void radeon_device_fini(struct radeon_device *rdev);
2386 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2387 
2388 #define RADEON_MIN_MMIO_SIZE 0x10000
2389 
2390 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2391 				    bool always_indirect)
2392 {
2393 	/* The mmio size is 64kb at minimum. Allows the if to be optimized out. */
2394 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2395 		return readl(((void __iomem *)rdev->rmmio) + reg);
2396 	else {
2397 		unsigned long flags;
2398 		uint32_t ret;
2399 
2400 		spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
2401 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
2402 		ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
2403 		spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
2404 
2405 		return ret;
2406 	}
2407 }
2408 
2409 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2410 				bool always_indirect)
2411 {
2412 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2413 		writel(v, ((void __iomem *)rdev->rmmio) + reg);
2414 	else {
2415 		unsigned long flags;
2416 
2417 		spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
2418 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
2419 		writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
2420 		spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
2421 	}
2422 }
2423 
2424 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2425 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2426 
2427 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2428 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2429 
2430 /*
2431  * Cast helper
2432  */
2433 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
2434 
2435 /*
2436  * Registers read & write functions.
2437  */
2438 #define RREG8(reg) readb((rdev->rmmio) + (reg))
2439 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2440 #define RREG16(reg) readw((rdev->rmmio) + (reg))
2441 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2442 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2443 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2444 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg), false))
2445 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2446 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2447 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2448 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2449 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2450 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2451 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2452 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2453 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2454 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2455 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2456 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2457 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2458 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2459 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2460 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2461 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2462 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2463 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2464 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2465 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2466 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2467 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2468 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2469 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2470 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2471 #define WREG32_P(reg, val, mask)				\
2472 	do {							\
2473 		uint32_t tmp_ = RREG32(reg);			\
2474 		tmp_ &= (mask);					\
2475 		tmp_ |= ((val) & ~(mask));			\
2476 		WREG32(reg, tmp_);				\
2477 	} while (0)
2478 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2479 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2480 #define WREG32_PLL_P(reg, val, mask)				\
2481 	do {							\
2482 		uint32_t tmp_ = RREG32_PLL(reg);		\
2483 		tmp_ &= (mask);					\
2484 		tmp_ |= ((val) & ~(mask));			\
2485 		WREG32_PLL(reg, tmp_);				\
2486 	} while (0)
2487 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2488 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2489 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2490 
2491 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2492 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2493 
2494 /*
2495  * Indirect registers accessor
2496  */
2497 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
2498 {
2499 	unsigned long flags;
2500 	uint32_t r;
2501 
2502 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2503 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2504 	r = RREG32(RADEON_PCIE_DATA);
2505 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2506 	return r;
2507 }
2508 
2509 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2510 {
2511 	unsigned long flags;
2512 
2513 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2514 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2515 	WREG32(RADEON_PCIE_DATA, (v));
2516 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2517 }
2518 
2519 static inline u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
2520 {
2521 	unsigned long flags;
2522 	u32 r;
2523 
2524 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2525 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2526 	r = RREG32(TN_SMC_IND_DATA_0);
2527 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2528 	return r;
2529 }
2530 
2531 static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2532 {
2533 	unsigned long flags;
2534 
2535 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2536 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2537 	WREG32(TN_SMC_IND_DATA_0, (v));
2538 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2539 }
2540 
2541 static inline u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
2542 {
2543 	unsigned long flags;
2544 	u32 r;
2545 
2546 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2547 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2548 	r = RREG32(R600_RCU_DATA);
2549 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2550 	return r;
2551 }
2552 
2553 static inline void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2554 {
2555 	unsigned long flags;
2556 
2557 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2558 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2559 	WREG32(R600_RCU_DATA, (v));
2560 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2561 }
2562 
2563 static inline u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
2564 {
2565 	unsigned long flags;
2566 	u32 r;
2567 
2568 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2569 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2570 	r = RREG32(EVERGREEN_CG_IND_DATA);
2571 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2572 	return r;
2573 }
2574 
2575 static inline void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2576 {
2577 	unsigned long flags;
2578 
2579 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2580 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2581 	WREG32(EVERGREEN_CG_IND_DATA, (v));
2582 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2583 }
2584 
2585 static inline u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
2586 {
2587 	unsigned long flags;
2588 	u32 r;
2589 
2590 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2591 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2592 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
2593 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2594 	return r;
2595 }
2596 
2597 static inline void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2598 {
2599 	unsigned long flags;
2600 
2601 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2602 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2603 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
2604 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2605 }
2606 
2607 static inline u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
2608 {
2609 	unsigned long flags;
2610 	u32 r;
2611 
2612 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2613 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2614 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
2615 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2616 	return r;
2617 }
2618 
2619 static inline void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2620 {
2621 	unsigned long flags;
2622 
2623 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2624 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2625 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
2626 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2627 }
2628 
2629 static inline u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
2630 {
2631 	unsigned long flags;
2632 	u32 r;
2633 
2634 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2635 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2636 	r = RREG32(R600_UVD_CTX_DATA);
2637 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2638 	return r;
2639 }
2640 
2641 static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2642 {
2643 	unsigned long flags;
2644 
2645 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2646 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2647 	WREG32(R600_UVD_CTX_DATA, (v));
2648 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2649 }
2650 
2651 
2652 static inline u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg)
2653 {
2654 	unsigned long flags;
2655 	u32 r;
2656 
2657 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2658 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2659 	r = RREG32(CIK_DIDT_IND_DATA);
2660 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2661 	return r;
2662 }
2663 
2664 static inline void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2665 {
2666 	unsigned long flags;
2667 
2668 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2669 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2670 	WREG32(CIK_DIDT_IND_DATA, (v));
2671 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2672 }
2673 
2674 void r100_pll_errata_after_index(struct radeon_device *rdev);
2675 
2676 
2677 /*
2678  * ASICs helpers.
2679  */
2680 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2681 			    (rdev->pdev->device == 0x5969))
2682 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2683 		(rdev->family == CHIP_RV200) || \
2684 		(rdev->family == CHIP_RS100) || \
2685 		(rdev->family == CHIP_RS200) || \
2686 		(rdev->family == CHIP_RV250) || \
2687 		(rdev->family == CHIP_RV280) || \
2688 		(rdev->family == CHIP_RS300))
2689 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2690 		(rdev->family == CHIP_RV350) ||			\
2691 		(rdev->family == CHIP_R350)  ||			\
2692 		(rdev->family == CHIP_RV380) ||			\
2693 		(rdev->family == CHIP_R420)  ||			\
2694 		(rdev->family == CHIP_R423)  ||			\
2695 		(rdev->family == CHIP_RV410) ||			\
2696 		(rdev->family == CHIP_RS400) ||			\
2697 		(rdev->family == CHIP_RS480))
2698 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
2699 		(rdev->ddev->pdev->device == 0x9443) || \
2700 		(rdev->ddev->pdev->device == 0x944B) || \
2701 		(rdev->ddev->pdev->device == 0x9506) || \
2702 		(rdev->ddev->pdev->device == 0x9509) || \
2703 		(rdev->ddev->pdev->device == 0x950F) || \
2704 		(rdev->ddev->pdev->device == 0x689C) || \
2705 		(rdev->ddev->pdev->device == 0x689D))
2706 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2707 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2708 			    (rdev->family == CHIP_RS690)  ||	\
2709 			    (rdev->family == CHIP_RS740)  ||	\
2710 			    (rdev->family >= CHIP_R600))
2711 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2712 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2713 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2714 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2715 			     (rdev->flags & RADEON_IS_IGP))
2716 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2717 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2718 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2719 			     (rdev->flags & RADEON_IS_IGP))
2720 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2721 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2722 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2723 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
2724 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
2725 #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
2726 			     (rdev->family == CHIP_MULLINS))
2727 
2728 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
2729 			      (rdev->ddev->pdev->device == 0x6850) || \
2730 			      (rdev->ddev->pdev->device == 0x6858) || \
2731 			      (rdev->ddev->pdev->device == 0x6859) || \
2732 			      (rdev->ddev->pdev->device == 0x6840) || \
2733 			      (rdev->ddev->pdev->device == 0x6841) || \
2734 			      (rdev->ddev->pdev->device == 0x6842) || \
2735 			      (rdev->ddev->pdev->device == 0x6843))
2736 
2737 /*
2738  * BIOS helpers.
2739  */
2740 #define RBIOS8(i) (rdev->bios[i])
2741 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2742 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2743 
2744 int radeon_combios_init(struct radeon_device *rdev);
2745 void radeon_combios_fini(struct radeon_device *rdev);
2746 int radeon_atombios_init(struct radeon_device *rdev);
2747 void radeon_atombios_fini(struct radeon_device *rdev);
2748 
2749 
2750 /*
2751  * RING helpers.
2752  */
2753 #if DRM_DEBUG_CODE == 0
2754 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2755 {
2756 	ring->ring[ring->wptr++] = v;
2757 	ring->wptr &= ring->ptr_mask;
2758 	ring->count_dw--;
2759 	ring->ring_free_dw--;
2760 }
2761 #else
2762 /* With debugging this is just too big to inline */
2763 void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
2764 #endif
2765 
2766 /*
2767  * ASICs macro.
2768  */
2769 #define radeon_init(rdev) (rdev)->asic->init((rdev))
2770 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2771 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2772 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2773 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2774 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2775 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
2776 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2777 #define radeon_gart_set_page(rdev, i, p, f) (rdev)->asic->gart.set_page((rdev), (i), (p), (f))
2778 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2779 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2780 #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
2781 #define radeon_asic_vm_write_pages(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.write_pages((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
2782 #define radeon_asic_vm_set_pages(rdev, ib, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_pages((rdev), (ib), (pe), (addr), (count), (incr), (flags)))
2783 #define radeon_asic_vm_pad_ib(rdev, ib) ((rdev)->asic->vm.pad_ib((ib)))
2784 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2785 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2786 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2787 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2788 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2789 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2790 #define radeon_ring_vm_flush(rdev, r, vm) (rdev)->asic->ring[(r)]->vm_flush((rdev), (r), (vm))
2791 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2792 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2793 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2794 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2795 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2796 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2797 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2798 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2799 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2800 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2801 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2802 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2803 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f))
2804 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (f))
2805 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (f))
2806 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2807 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2808 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2809 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2810 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2811 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2812 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2813 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2814 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2815 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2816 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2817 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2818 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2819 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2820 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2821 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2822 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2823 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2824 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2825 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2826 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2827 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2828 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2829 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2830 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2831 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2832 #define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base))
2833 #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
2834 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2835 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2836 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2837 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2838 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2839 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2840 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2841 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2842 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2843 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2844 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2845 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2846 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2847 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2848 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2849 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2850 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2851 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2852 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2853 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2854 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2855 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2856 
2857 /* Common functions */
2858 /* AGP */
2859 extern int radeon_gpu_reset(struct radeon_device *rdev);
2860 extern void radeon_pci_config_reset(struct radeon_device *rdev);
2861 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2862 extern void radeon_agp_disable(struct radeon_device *rdev);
2863 extern int radeon_modeset_init(struct radeon_device *rdev);
2864 extern void radeon_modeset_fini(struct radeon_device *rdev);
2865 extern bool radeon_card_posted(struct radeon_device *rdev);
2866 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2867 extern void radeon_update_display_priority(struct radeon_device *rdev);
2868 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2869 extern void radeon_scratch_init(struct radeon_device *rdev);
2870 extern void radeon_wb_fini(struct radeon_device *rdev);
2871 extern int radeon_wb_init(struct radeon_device *rdev);
2872 extern void radeon_wb_disable(struct radeon_device *rdev);
2873 extern void radeon_surface_init(struct radeon_device *rdev);
2874 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2875 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2876 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2877 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2878 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2879 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2880 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2881 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2882 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2883 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2884 extern void radeon_program_register_sequence(struct radeon_device *rdev,
2885 					     const u32 *registers,
2886 					     const u32 array_size);
2887 
2888 /*
2889  * vm
2890  */
2891 int radeon_vm_manager_init(struct radeon_device *rdev);
2892 void radeon_vm_manager_fini(struct radeon_device *rdev);
2893 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2894 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2895 struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
2896 					  struct radeon_vm *vm,
2897                                           struct list_head *head);
2898 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2899 				       struct radeon_vm *vm, int ring);
2900 void radeon_vm_flush(struct radeon_device *rdev,
2901                      struct radeon_vm *vm,
2902                      int ring);
2903 void radeon_vm_fence(struct radeon_device *rdev,
2904 		     struct radeon_vm *vm,
2905 		     struct radeon_fence *fence);
2906 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2907 int radeon_vm_update_page_directory(struct radeon_device *rdev,
2908 				    struct radeon_vm *vm);
2909 int radeon_vm_clear_freed(struct radeon_device *rdev,
2910 			  struct radeon_vm *vm);
2911 int radeon_vm_clear_invalids(struct radeon_device *rdev,
2912 			     struct radeon_vm *vm);
2913 int radeon_vm_bo_update(struct radeon_device *rdev,
2914 			struct radeon_bo_va *bo_va,
2915 			struct ttm_mem_reg *mem);
2916 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2917 			     struct radeon_bo *bo);
2918 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2919 				       struct radeon_bo *bo);
2920 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2921 				      struct radeon_vm *vm,
2922 				      struct radeon_bo *bo);
2923 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2924 			  struct radeon_bo_va *bo_va,
2925 			  uint64_t offset,
2926 			  uint32_t flags);
2927 void radeon_vm_bo_rmv(struct radeon_device *rdev,
2928 		      struct radeon_bo_va *bo_va);
2929 
2930 /* audio */
2931 void r600_audio_update_hdmi(struct work_struct *work);
2932 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2933 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2934 void r600_audio_enable(struct radeon_device *rdev,
2935 		       struct r600_audio_pin *pin,
2936 		       bool enable);
2937 void dce6_audio_enable(struct radeon_device *rdev,
2938 		       struct r600_audio_pin *pin,
2939 		       bool enable);
2940 
2941 /*
2942  * R600 vram scratch functions
2943  */
2944 int r600_vram_scratch_init(struct radeon_device *rdev);
2945 void r600_vram_scratch_fini(struct radeon_device *rdev);
2946 
2947 /*
2948  * r600 cs checking helper
2949  */
2950 unsigned r600_mip_minify(unsigned size, unsigned level);
2951 bool r600_fmt_is_valid_color(u32 format);
2952 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
2953 int r600_fmt_get_blocksize(u32 format);
2954 int r600_fmt_get_nblocksx(u32 format, u32 w);
2955 int r600_fmt_get_nblocksy(u32 format, u32 h);
2956 
2957 /*
2958  * r600 functions used by radeon_encoder.c
2959  */
2960 struct radeon_hdmi_acr {
2961 	u32 clock;
2962 
2963 	int n_32khz;
2964 	int cts_32khz;
2965 
2966 	int n_44_1khz;
2967 	int cts_44_1khz;
2968 
2969 	int n_48khz;
2970 	int cts_48khz;
2971 
2972 };
2973 
2974 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
2975 
2976 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
2977 				     u32 tiling_pipe_num,
2978 				     u32 max_rb_num,
2979 				     u32 total_max_rb_num,
2980 				     u32 enabled_rb_mask);
2981 
2982 /*
2983  * evergreen functions used by radeon_encoder.c
2984  */
2985 
2986 extern int ni_init_microcode(struct radeon_device *rdev);
2987 extern int ni_mc_load_microcode(struct radeon_device *rdev);
2988 
2989 /* radeon_acpi.c */
2990 #if defined(CONFIG_ACPI)
2991 extern int radeon_acpi_init(struct radeon_device *rdev);
2992 extern void radeon_acpi_fini(struct radeon_device *rdev);
2993 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
2994 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
2995 						u8 perf_req, bool advertise);
2996 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
2997 #else
2998 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
2999 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
3000 #endif
3001 
3002 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
3003 			   struct radeon_cs_packet *pkt,
3004 			   unsigned idx);
3005 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
3006 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
3007 			   struct radeon_cs_packet *pkt);
3008 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
3009 				struct radeon_cs_reloc **cs_reloc,
3010 				int nomm);
3011 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
3012 			       uint32_t *vline_start_end,
3013 			       uint32_t *vline_status);
3014 
3015 #include "radeon_object.h"
3016 
3017 #endif
3018