xref: /openbmc/linux/drivers/gpu/drm/radeon/radeon.h (revision 3932b9ca)
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 extern int radeon_backlight;
110 
111 /*
112  * Copy from radeon_drv.h so we don't have to include both and have conflicting
113  * symbol;
114  */
115 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
116 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
117 /* RADEON_IB_POOL_SIZE must be a power of 2 */
118 #define RADEON_IB_POOL_SIZE			16
119 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
120 #define RADEONFB_CONN_LIMIT			4
121 #define RADEON_BIOS_NUM_SCRATCH			8
122 
123 /* fence seq are set to this number when signaled */
124 #define RADEON_FENCE_SIGNALED_SEQ		0LL
125 
126 /* internal ring indices */
127 /* r1xx+ has gfx CP ring */
128 #define RADEON_RING_TYPE_GFX_INDEX		0
129 
130 /* cayman has 2 compute CP rings */
131 #define CAYMAN_RING_TYPE_CP1_INDEX		1
132 #define CAYMAN_RING_TYPE_CP2_INDEX		2
133 
134 /* R600+ has an async dma ring */
135 #define R600_RING_TYPE_DMA_INDEX		3
136 /* cayman add a second async dma ring */
137 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
138 
139 /* R600+ */
140 #define R600_RING_TYPE_UVD_INDEX		5
141 
142 /* TN+ */
143 #define TN_RING_TYPE_VCE1_INDEX			6
144 #define TN_RING_TYPE_VCE2_INDEX			7
145 
146 /* max number of rings */
147 #define RADEON_NUM_RINGS			8
148 
149 /* number of hw syncs before falling back on blocking */
150 #define RADEON_NUM_SYNCS			4
151 
152 /* number of hw syncs before falling back on blocking */
153 #define RADEON_NUM_SYNCS			4
154 
155 /* hardcode those limit for now */
156 #define RADEON_VA_IB_OFFSET			(1 << 20)
157 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
158 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
159 
160 /* hard reset data */
161 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
162 
163 /* reset flags */
164 #define RADEON_RESET_GFX			(1 << 0)
165 #define RADEON_RESET_COMPUTE			(1 << 1)
166 #define RADEON_RESET_DMA			(1 << 2)
167 #define RADEON_RESET_CP				(1 << 3)
168 #define RADEON_RESET_GRBM			(1 << 4)
169 #define RADEON_RESET_DMA1			(1 << 5)
170 #define RADEON_RESET_RLC			(1 << 6)
171 #define RADEON_RESET_SEM			(1 << 7)
172 #define RADEON_RESET_IH				(1 << 8)
173 #define RADEON_RESET_VMC			(1 << 9)
174 #define RADEON_RESET_MC				(1 << 10)
175 #define RADEON_RESET_DISPLAY			(1 << 11)
176 
177 /* CG block flags */
178 #define RADEON_CG_BLOCK_GFX			(1 << 0)
179 #define RADEON_CG_BLOCK_MC			(1 << 1)
180 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
181 #define RADEON_CG_BLOCK_UVD			(1 << 3)
182 #define RADEON_CG_BLOCK_VCE			(1 << 4)
183 #define RADEON_CG_BLOCK_HDP			(1 << 5)
184 #define RADEON_CG_BLOCK_BIF			(1 << 6)
185 
186 /* CG flags */
187 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
188 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
189 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
190 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
191 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
192 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
193 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
194 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
195 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
196 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
197 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
198 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
199 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
200 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
201 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
202 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
203 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
204 
205 /* PG flags */
206 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
207 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
208 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
209 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
210 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
211 #define RADEON_PG_SUPPORT_CP			(1 << 5)
212 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
213 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
214 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
215 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
216 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
217 
218 /* max cursor sizes (in pixels) */
219 #define CURSOR_WIDTH 64
220 #define CURSOR_HEIGHT 64
221 
222 #define CIK_CURSOR_WIDTH 128
223 #define CIK_CURSOR_HEIGHT 128
224 
225 /*
226  * Errata workarounds.
227  */
228 enum radeon_pll_errata {
229 	CHIP_ERRATA_R300_CG             = 0x00000001,
230 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
231 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
232 };
233 
234 
235 struct radeon_device;
236 
237 
238 /*
239  * BIOS.
240  */
241 bool radeon_get_bios(struct radeon_device *rdev);
242 
243 /*
244  * Dummy page
245  */
246 struct radeon_dummy_page {
247 	struct page	*page;
248 	dma_addr_t	addr;
249 };
250 int radeon_dummy_page_init(struct radeon_device *rdev);
251 void radeon_dummy_page_fini(struct radeon_device *rdev);
252 
253 
254 /*
255  * Clocks
256  */
257 struct radeon_clock {
258 	struct radeon_pll p1pll;
259 	struct radeon_pll p2pll;
260 	struct radeon_pll dcpll;
261 	struct radeon_pll spll;
262 	struct radeon_pll mpll;
263 	/* 10 Khz units */
264 	uint32_t default_mclk;
265 	uint32_t default_sclk;
266 	uint32_t default_dispclk;
267 	uint32_t current_dispclk;
268 	uint32_t dp_extclk;
269 	uint32_t max_pixel_clock;
270 };
271 
272 /*
273  * Power management
274  */
275 int radeon_pm_init(struct radeon_device *rdev);
276 int radeon_pm_late_init(struct radeon_device *rdev);
277 void radeon_pm_fini(struct radeon_device *rdev);
278 void radeon_pm_compute_clocks(struct radeon_device *rdev);
279 void radeon_pm_suspend(struct radeon_device *rdev);
280 void radeon_pm_resume(struct radeon_device *rdev);
281 void radeon_combios_get_power_modes(struct radeon_device *rdev);
282 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
283 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
284 				   u8 clock_type,
285 				   u32 clock,
286 				   bool strobe_mode,
287 				   struct atom_clock_dividers *dividers);
288 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
289 					u32 clock,
290 					bool strobe_mode,
291 					struct atom_mpll_param *mpll_param);
292 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
293 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
294 					  u16 voltage_level, u8 voltage_type,
295 					  u32 *gpio_value, u32 *gpio_mask);
296 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
297 					 u32 eng_clock, u32 mem_clock);
298 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
299 				 u8 voltage_type, u16 *voltage_step);
300 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
301 			     u16 voltage_id, u16 *voltage);
302 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
303 						      u16 *voltage,
304 						      u16 leakage_idx);
305 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
306 					  u16 *leakage_id);
307 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
308 							 u16 *vddc, u16 *vddci,
309 							 u16 virtual_voltage_id,
310 							 u16 vbios_voltage_id);
311 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
312 				u16 virtual_voltage_id,
313 				u16 *voltage);
314 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
315 				      u8 voltage_type,
316 				      u16 nominal_voltage,
317 				      u16 *true_voltage);
318 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
319 				u8 voltage_type, u16 *min_voltage);
320 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
321 				u8 voltage_type, u16 *max_voltage);
322 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
323 				  u8 voltage_type, u8 voltage_mode,
324 				  struct atom_voltage_table *voltage_table);
325 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
326 				 u8 voltage_type, u8 voltage_mode);
327 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
328 			      u8 voltage_type,
329 			      u8 *svd_gpio_id, u8 *svc_gpio_id);
330 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
331 				   u32 mem_clock);
332 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
333 			       u32 mem_clock);
334 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
335 				  u8 module_index,
336 				  struct atom_mc_reg_table *reg_table);
337 int radeon_atom_get_memory_info(struct radeon_device *rdev,
338 				u8 module_index, struct atom_memory_info *mem_info);
339 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
340 				     bool gddr5, u8 module_index,
341 				     struct atom_memory_clock_range_table *mclk_range_table);
342 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
343 			     u16 voltage_id, u16 *voltage);
344 void rs690_pm_info(struct radeon_device *rdev);
345 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
346 				    unsigned *bankh, unsigned *mtaspect,
347 				    unsigned *tile_split);
348 
349 /*
350  * Fences.
351  */
352 struct radeon_fence_driver {
353 	uint32_t			scratch_reg;
354 	uint64_t			gpu_addr;
355 	volatile uint32_t		*cpu_addr;
356 	/* sync_seq is protected by ring emission lock */
357 	uint64_t			sync_seq[RADEON_NUM_RINGS];
358 	atomic64_t			last_seq;
359 	bool				initialized;
360 };
361 
362 struct radeon_fence {
363 	struct radeon_device		*rdev;
364 	struct kref			kref;
365 	/* protected by radeon_fence.lock */
366 	uint64_t			seq;
367 	/* RB, DMA, etc. */
368 	unsigned			ring;
369 };
370 
371 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
372 int radeon_fence_driver_init(struct radeon_device *rdev);
373 void radeon_fence_driver_fini(struct radeon_device *rdev);
374 void radeon_fence_driver_force_completion(struct radeon_device *rdev);
375 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
376 void radeon_fence_process(struct radeon_device *rdev, int ring);
377 bool radeon_fence_signaled(struct radeon_fence *fence);
378 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
379 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
380 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
381 int radeon_fence_wait_any(struct radeon_device *rdev,
382 			  struct radeon_fence **fences,
383 			  bool intr);
384 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
385 void radeon_fence_unref(struct radeon_fence **fence);
386 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
387 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
388 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
389 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
390 						      struct radeon_fence *b)
391 {
392 	if (!a) {
393 		return b;
394 	}
395 
396 	if (!b) {
397 		return a;
398 	}
399 
400 	BUG_ON(a->ring != b->ring);
401 
402 	if (a->seq > b->seq) {
403 		return a;
404 	} else {
405 		return b;
406 	}
407 }
408 
409 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
410 					   struct radeon_fence *b)
411 {
412 	if (!a) {
413 		return false;
414 	}
415 
416 	if (!b) {
417 		return true;
418 	}
419 
420 	BUG_ON(a->ring != b->ring);
421 
422 	return a->seq < b->seq;
423 }
424 
425 /*
426  * Tiling registers
427  */
428 struct radeon_surface_reg {
429 	struct radeon_bo *bo;
430 };
431 
432 #define RADEON_GEM_MAX_SURFACES 8
433 
434 /*
435  * TTM.
436  */
437 struct radeon_mman {
438 	struct ttm_bo_global_ref        bo_global_ref;
439 	struct drm_global_reference	mem_global_ref;
440 	struct ttm_bo_device		bdev;
441 	bool				mem_global_referenced;
442 	bool				initialized;
443 
444 #if defined(CONFIG_DEBUG_FS)
445 	struct dentry			*vram;
446 	struct dentry			*gtt;
447 #endif
448 };
449 
450 /* bo virtual address in a specific vm */
451 struct radeon_bo_va {
452 	/* protected by bo being reserved */
453 	struct list_head		bo_list;
454 	uint32_t			flags;
455 	uint64_t			addr;
456 	unsigned			ref_count;
457 
458 	/* protected by vm mutex */
459 	struct interval_tree_node	it;
460 	struct list_head		vm_status;
461 
462 	/* constant after initialization */
463 	struct radeon_vm		*vm;
464 	struct radeon_bo		*bo;
465 };
466 
467 struct radeon_bo {
468 	/* Protected by gem.mutex */
469 	struct list_head		list;
470 	/* Protected by tbo.reserved */
471 	u32				initial_domain;
472 	u32				placements[3];
473 	struct ttm_placement		placement;
474 	struct ttm_buffer_object	tbo;
475 	struct ttm_bo_kmap_obj		kmap;
476 	u32				flags;
477 	unsigned			pin_count;
478 	void				*kptr;
479 	u32				tiling_flags;
480 	u32				pitch;
481 	int				surface_reg;
482 	/* list of all virtual address to which this bo
483 	 * is associated to
484 	 */
485 	struct list_head		va;
486 	/* Constant after initialization */
487 	struct radeon_device		*rdev;
488 	struct drm_gem_object		gem_base;
489 
490 	struct ttm_bo_kmap_obj		dma_buf_vmap;
491 	pid_t				pid;
492 };
493 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
494 
495 int radeon_gem_debugfs_init(struct radeon_device *rdev);
496 
497 /* sub-allocation manager, it has to be protected by another lock.
498  * By conception this is an helper for other part of the driver
499  * like the indirect buffer or semaphore, which both have their
500  * locking.
501  *
502  * Principe is simple, we keep a list of sub allocation in offset
503  * order (first entry has offset == 0, last entry has the highest
504  * offset).
505  *
506  * When allocating new object we first check if there is room at
507  * the end total_size - (last_object_offset + last_object_size) >=
508  * alloc_size. If so we allocate new object there.
509  *
510  * When there is not enough room at the end, we start waiting for
511  * each sub object until we reach object_offset+object_size >=
512  * alloc_size, this object then become the sub object we return.
513  *
514  * Alignment can't be bigger than page size.
515  *
516  * Hole are not considered for allocation to keep things simple.
517  * Assumption is that there won't be hole (all object on same
518  * alignment).
519  */
520 struct radeon_sa_manager {
521 	wait_queue_head_t	wq;
522 	struct radeon_bo	*bo;
523 	struct list_head	*hole;
524 	struct list_head	flist[RADEON_NUM_RINGS];
525 	struct list_head	olist;
526 	unsigned		size;
527 	uint64_t		gpu_addr;
528 	void			*cpu_ptr;
529 	uint32_t		domain;
530 	uint32_t		align;
531 };
532 
533 struct radeon_sa_bo;
534 
535 /* sub-allocation buffer */
536 struct radeon_sa_bo {
537 	struct list_head		olist;
538 	struct list_head		flist;
539 	struct radeon_sa_manager	*manager;
540 	unsigned			soffset;
541 	unsigned			eoffset;
542 	struct radeon_fence		*fence;
543 };
544 
545 /*
546  * GEM objects.
547  */
548 struct radeon_gem {
549 	struct mutex		mutex;
550 	struct list_head	objects;
551 };
552 
553 int radeon_gem_init(struct radeon_device *rdev);
554 void radeon_gem_fini(struct radeon_device *rdev);
555 int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
556 				int alignment, int initial_domain,
557 				u32 flags, bool kernel,
558 				struct drm_gem_object **obj);
559 
560 int radeon_mode_dumb_create(struct drm_file *file_priv,
561 			    struct drm_device *dev,
562 			    struct drm_mode_create_dumb *args);
563 int radeon_mode_dumb_mmap(struct drm_file *filp,
564 			  struct drm_device *dev,
565 			  uint32_t handle, uint64_t *offset_p);
566 
567 /*
568  * Semaphores.
569  */
570 struct radeon_semaphore {
571 	struct radeon_sa_bo		*sa_bo;
572 	signed				waiters;
573 	uint64_t			gpu_addr;
574 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
575 };
576 
577 int radeon_semaphore_create(struct radeon_device *rdev,
578 			    struct radeon_semaphore **semaphore);
579 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
580 				  struct radeon_semaphore *semaphore);
581 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
582 				struct radeon_semaphore *semaphore);
583 void radeon_semaphore_sync_to(struct radeon_semaphore *semaphore,
584 			      struct radeon_fence *fence);
585 int radeon_semaphore_sync_rings(struct radeon_device *rdev,
586 				struct radeon_semaphore *semaphore,
587 				int waiting_ring);
588 void radeon_semaphore_free(struct radeon_device *rdev,
589 			   struct radeon_semaphore **semaphore,
590 			   struct radeon_fence *fence);
591 
592 /*
593  * GART structures, functions & helpers
594  */
595 struct radeon_mc;
596 
597 #define RADEON_GPU_PAGE_SIZE 4096
598 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
599 #define RADEON_GPU_PAGE_SHIFT 12
600 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
601 
602 #define RADEON_GART_PAGE_DUMMY  0
603 #define RADEON_GART_PAGE_VALID	(1 << 0)
604 #define RADEON_GART_PAGE_READ	(1 << 1)
605 #define RADEON_GART_PAGE_WRITE	(1 << 2)
606 #define RADEON_GART_PAGE_SNOOP	(1 << 3)
607 
608 struct radeon_gart {
609 	dma_addr_t			table_addr;
610 	struct radeon_bo		*robj;
611 	void				*ptr;
612 	unsigned			num_gpu_pages;
613 	unsigned			num_cpu_pages;
614 	unsigned			table_size;
615 	struct page			**pages;
616 	dma_addr_t			*pages_addr;
617 	bool				ready;
618 };
619 
620 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
621 void radeon_gart_table_ram_free(struct radeon_device *rdev);
622 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
623 void radeon_gart_table_vram_free(struct radeon_device *rdev);
624 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
625 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
626 int radeon_gart_init(struct radeon_device *rdev);
627 void radeon_gart_fini(struct radeon_device *rdev);
628 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
629 			int pages);
630 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
631 		     int pages, struct page **pagelist,
632 		     dma_addr_t *dma_addr, uint32_t flags);
633 
634 
635 /*
636  * GPU MC structures, functions & helpers
637  */
638 struct radeon_mc {
639 	resource_size_t		aper_size;
640 	resource_size_t		aper_base;
641 	resource_size_t		agp_base;
642 	/* for some chips with <= 32MB we need to lie
643 	 * about vram size near mc fb location */
644 	u64			mc_vram_size;
645 	u64			visible_vram_size;
646 	u64			gtt_size;
647 	u64			gtt_start;
648 	u64			gtt_end;
649 	u64			vram_start;
650 	u64			vram_end;
651 	unsigned		vram_width;
652 	u64			real_vram_size;
653 	int			vram_mtrr;
654 	bool			vram_is_ddr;
655 	bool			igp_sideport_enabled;
656 	u64                     gtt_base_align;
657 	u64                     mc_mask;
658 };
659 
660 bool radeon_combios_sideport_present(struct radeon_device *rdev);
661 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
662 
663 /*
664  * GPU scratch registers structures, functions & helpers
665  */
666 struct radeon_scratch {
667 	unsigned		num_reg;
668 	uint32_t                reg_base;
669 	bool			free[32];
670 	uint32_t		reg[32];
671 };
672 
673 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
674 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
675 
676 /*
677  * GPU doorbell structures, functions & helpers
678  */
679 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
680 
681 struct radeon_doorbell {
682 	/* doorbell mmio */
683 	resource_size_t		base;
684 	resource_size_t		size;
685 	u32 __iomem		*ptr;
686 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
687 	unsigned long		used[DIV_ROUND_UP(RADEON_MAX_DOORBELLS, BITS_PER_LONG)];
688 };
689 
690 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
691 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
692 
693 /*
694  * IRQS.
695  */
696 
697 struct radeon_flip_work {
698 	struct work_struct		flip_work;
699 	struct work_struct		unpin_work;
700 	struct radeon_device		*rdev;
701 	int				crtc_id;
702 	uint64_t			base;
703 	struct drm_pending_vblank_event *event;
704 	struct radeon_bo		*old_rbo;
705 	struct radeon_fence		*fence;
706 };
707 
708 struct r500_irq_stat_regs {
709 	u32 disp_int;
710 	u32 hdmi0_status;
711 };
712 
713 struct r600_irq_stat_regs {
714 	u32 disp_int;
715 	u32 disp_int_cont;
716 	u32 disp_int_cont2;
717 	u32 d1grph_int;
718 	u32 d2grph_int;
719 	u32 hdmi0_status;
720 	u32 hdmi1_status;
721 };
722 
723 struct evergreen_irq_stat_regs {
724 	u32 disp_int;
725 	u32 disp_int_cont;
726 	u32 disp_int_cont2;
727 	u32 disp_int_cont3;
728 	u32 disp_int_cont4;
729 	u32 disp_int_cont5;
730 	u32 d1grph_int;
731 	u32 d2grph_int;
732 	u32 d3grph_int;
733 	u32 d4grph_int;
734 	u32 d5grph_int;
735 	u32 d6grph_int;
736 	u32 afmt_status1;
737 	u32 afmt_status2;
738 	u32 afmt_status3;
739 	u32 afmt_status4;
740 	u32 afmt_status5;
741 	u32 afmt_status6;
742 };
743 
744 struct cik_irq_stat_regs {
745 	u32 disp_int;
746 	u32 disp_int_cont;
747 	u32 disp_int_cont2;
748 	u32 disp_int_cont3;
749 	u32 disp_int_cont4;
750 	u32 disp_int_cont5;
751 	u32 disp_int_cont6;
752 	u32 d1grph_int;
753 	u32 d2grph_int;
754 	u32 d3grph_int;
755 	u32 d4grph_int;
756 	u32 d5grph_int;
757 	u32 d6grph_int;
758 };
759 
760 union radeon_irq_stat_regs {
761 	struct r500_irq_stat_regs r500;
762 	struct r600_irq_stat_regs r600;
763 	struct evergreen_irq_stat_regs evergreen;
764 	struct cik_irq_stat_regs cik;
765 };
766 
767 struct radeon_irq {
768 	bool				installed;
769 	spinlock_t			lock;
770 	atomic_t			ring_int[RADEON_NUM_RINGS];
771 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
772 	atomic_t			pflip[RADEON_MAX_CRTCS];
773 	wait_queue_head_t		vblank_queue;
774 	bool				hpd[RADEON_MAX_HPD_PINS];
775 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
776 	union radeon_irq_stat_regs	stat_regs;
777 	bool				dpm_thermal;
778 };
779 
780 int radeon_irq_kms_init(struct radeon_device *rdev);
781 void radeon_irq_kms_fini(struct radeon_device *rdev);
782 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
783 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
784 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
785 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
786 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
787 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
788 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
789 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
790 
791 /*
792  * CP & rings.
793  */
794 
795 struct radeon_ib {
796 	struct radeon_sa_bo		*sa_bo;
797 	uint32_t			length_dw;
798 	uint64_t			gpu_addr;
799 	uint32_t			*ptr;
800 	int				ring;
801 	struct radeon_fence		*fence;
802 	struct radeon_vm		*vm;
803 	bool				is_const_ib;
804 	struct radeon_semaphore		*semaphore;
805 };
806 
807 struct radeon_ring {
808 	struct radeon_bo	*ring_obj;
809 	volatile uint32_t	*ring;
810 	unsigned		rptr_offs;
811 	unsigned		rptr_save_reg;
812 	u64			next_rptr_gpu_addr;
813 	volatile u32		*next_rptr_cpu_addr;
814 	unsigned		wptr;
815 	unsigned		wptr_old;
816 	unsigned		ring_size;
817 	unsigned		ring_free_dw;
818 	int			count_dw;
819 	atomic_t		last_rptr;
820 	atomic64_t		last_activity;
821 	uint64_t		gpu_addr;
822 	uint32_t		align_mask;
823 	uint32_t		ptr_mask;
824 	bool			ready;
825 	u32			nop;
826 	u32			idx;
827 	u64			last_semaphore_signal_addr;
828 	u64			last_semaphore_wait_addr;
829 	/* for CIK queues */
830 	u32 me;
831 	u32 pipe;
832 	u32 queue;
833 	struct radeon_bo	*mqd_obj;
834 	u32 doorbell_index;
835 	unsigned		wptr_offs;
836 };
837 
838 struct radeon_mec {
839 	struct radeon_bo	*hpd_eop_obj;
840 	u64			hpd_eop_gpu_addr;
841 	u32 num_pipe;
842 	u32 num_mec;
843 	u32 num_queue;
844 };
845 
846 /*
847  * VM
848  */
849 
850 /* maximum number of VMIDs */
851 #define RADEON_NUM_VM	16
852 
853 /* number of entries in page table */
854 #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
855 
856 /* PTBs (Page Table Blocks) need to be aligned to 32K */
857 #define RADEON_VM_PTB_ALIGN_SIZE   32768
858 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
859 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
860 
861 #define R600_PTE_VALID		(1 << 0)
862 #define R600_PTE_SYSTEM		(1 << 1)
863 #define R600_PTE_SNOOPED	(1 << 2)
864 #define R600_PTE_READABLE	(1 << 5)
865 #define R600_PTE_WRITEABLE	(1 << 6)
866 
867 /* PTE (Page Table Entry) fragment field for different page sizes */
868 #define R600_PTE_FRAG_4KB	(0 << 7)
869 #define R600_PTE_FRAG_64KB	(4 << 7)
870 #define R600_PTE_FRAG_256KB	(6 << 7)
871 
872 /* flags needed to be set so we can copy directly from the GART table */
873 #define R600_PTE_GART_MASK	( R600_PTE_READABLE | R600_PTE_WRITEABLE | \
874 				  R600_PTE_SYSTEM | R600_PTE_VALID )
875 
876 struct radeon_vm_pt {
877 	struct radeon_bo		*bo;
878 	uint64_t			addr;
879 };
880 
881 struct radeon_vm {
882 	struct rb_root			va;
883 	unsigned			id;
884 
885 	/* BOs moved, but not yet updated in the PT */
886 	struct list_head		invalidated;
887 
888 	/* BOs freed, but not yet updated in the PT */
889 	struct list_head		freed;
890 
891 	/* contains the page directory */
892 	struct radeon_bo		*page_directory;
893 	uint64_t			pd_gpu_addr;
894 	unsigned			max_pde_used;
895 
896 	/* array of page tables, one for each page directory entry */
897 	struct radeon_vm_pt		*page_tables;
898 
899 	struct radeon_bo_va		*ib_bo_va;
900 
901 	struct mutex			mutex;
902 	/* last fence for cs using this vm */
903 	struct radeon_fence		*fence;
904 	/* last flush or NULL if we still need to flush */
905 	struct radeon_fence		*last_flush;
906 	/* last use of vmid */
907 	struct radeon_fence		*last_id_use;
908 };
909 
910 struct radeon_vm_manager {
911 	struct radeon_fence		*active[RADEON_NUM_VM];
912 	uint32_t			max_pfn;
913 	/* number of VMIDs */
914 	unsigned			nvm;
915 	/* vram base address for page table entry  */
916 	u64				vram_base_offset;
917 	/* is vm enabled? */
918 	bool				enabled;
919 	/* for hw to save the PD addr on suspend/resume */
920 	uint32_t			saved_table_addr[RADEON_NUM_VM];
921 };
922 
923 /*
924  * file private structure
925  */
926 struct radeon_fpriv {
927 	struct radeon_vm		vm;
928 };
929 
930 /*
931  * R6xx+ IH ring
932  */
933 struct r600_ih {
934 	struct radeon_bo	*ring_obj;
935 	volatile uint32_t	*ring;
936 	unsigned		rptr;
937 	unsigned		ring_size;
938 	uint64_t		gpu_addr;
939 	uint32_t		ptr_mask;
940 	atomic_t		lock;
941 	bool                    enabled;
942 };
943 
944 /*
945  * RLC stuff
946  */
947 #include "clearstate_defs.h"
948 
949 struct radeon_rlc {
950 	/* for power gating */
951 	struct radeon_bo	*save_restore_obj;
952 	uint64_t		save_restore_gpu_addr;
953 	volatile uint32_t	*sr_ptr;
954 	const u32               *reg_list;
955 	u32                     reg_list_size;
956 	/* for clear state */
957 	struct radeon_bo	*clear_state_obj;
958 	uint64_t		clear_state_gpu_addr;
959 	volatile uint32_t	*cs_ptr;
960 	const struct cs_section_def   *cs_data;
961 	u32                     clear_state_size;
962 	/* for cp tables */
963 	struct radeon_bo	*cp_table_obj;
964 	uint64_t		cp_table_gpu_addr;
965 	volatile uint32_t	*cp_table_ptr;
966 	u32                     cp_table_size;
967 };
968 
969 int radeon_ib_get(struct radeon_device *rdev, int ring,
970 		  struct radeon_ib *ib, struct radeon_vm *vm,
971 		  unsigned size);
972 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
973 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
974 		       struct radeon_ib *const_ib, bool hdp_flush);
975 int radeon_ib_pool_init(struct radeon_device *rdev);
976 void radeon_ib_pool_fini(struct radeon_device *rdev);
977 int radeon_ib_ring_tests(struct radeon_device *rdev);
978 /* Ring access between begin & end cannot sleep */
979 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
980 				      struct radeon_ring *ring);
981 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
982 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
983 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
984 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
985 			bool hdp_flush);
986 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
987 			       bool hdp_flush);
988 void radeon_ring_undo(struct radeon_ring *ring);
989 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
990 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
991 void radeon_ring_lockup_update(struct radeon_device *rdev,
992 			       struct radeon_ring *ring);
993 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
994 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
995 			    uint32_t **data);
996 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
997 			unsigned size, uint32_t *data);
998 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
999 		     unsigned rptr_offs, u32 nop);
1000 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
1001 
1002 
1003 /* r600 async dma */
1004 void r600_dma_stop(struct radeon_device *rdev);
1005 int r600_dma_resume(struct radeon_device *rdev);
1006 void r600_dma_fini(struct radeon_device *rdev);
1007 
1008 void cayman_dma_stop(struct radeon_device *rdev);
1009 int cayman_dma_resume(struct radeon_device *rdev);
1010 void cayman_dma_fini(struct radeon_device *rdev);
1011 
1012 /*
1013  * CS.
1014  */
1015 struct radeon_cs_reloc {
1016 	struct drm_gem_object		*gobj;
1017 	struct radeon_bo		*robj;
1018 	struct ttm_validate_buffer	tv;
1019 	uint64_t			gpu_offset;
1020 	unsigned			prefered_domains;
1021 	unsigned			allowed_domains;
1022 	uint32_t			tiling_flags;
1023 	uint32_t			handle;
1024 };
1025 
1026 struct radeon_cs_chunk {
1027 	uint32_t		chunk_id;
1028 	uint32_t		length_dw;
1029 	uint32_t		*kdata;
1030 	void __user		*user_ptr;
1031 };
1032 
1033 struct radeon_cs_parser {
1034 	struct device		*dev;
1035 	struct radeon_device	*rdev;
1036 	struct drm_file		*filp;
1037 	/* chunks */
1038 	unsigned		nchunks;
1039 	struct radeon_cs_chunk	*chunks;
1040 	uint64_t		*chunks_array;
1041 	/* IB */
1042 	unsigned		idx;
1043 	/* relocations */
1044 	unsigned		nrelocs;
1045 	struct radeon_cs_reloc	*relocs;
1046 	struct radeon_cs_reloc	**relocs_ptr;
1047 	struct radeon_cs_reloc	*vm_bos;
1048 	struct list_head	validated;
1049 	unsigned		dma_reloc_idx;
1050 	/* indices of various chunks */
1051 	int			chunk_ib_idx;
1052 	int			chunk_relocs_idx;
1053 	int			chunk_flags_idx;
1054 	int			chunk_const_ib_idx;
1055 	struct radeon_ib	ib;
1056 	struct radeon_ib	const_ib;
1057 	void			*track;
1058 	unsigned		family;
1059 	int			parser_error;
1060 	u32			cs_flags;
1061 	u32			ring;
1062 	s32			priority;
1063 	struct ww_acquire_ctx	ticket;
1064 };
1065 
1066 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1067 {
1068 	struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
1069 
1070 	if (ibc->kdata)
1071 		return ibc->kdata[idx];
1072 	return p->ib.ptr[idx];
1073 }
1074 
1075 
1076 struct radeon_cs_packet {
1077 	unsigned	idx;
1078 	unsigned	type;
1079 	unsigned	reg;
1080 	unsigned	opcode;
1081 	int		count;
1082 	unsigned	one_reg_wr;
1083 };
1084 
1085 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1086 				      struct radeon_cs_packet *pkt,
1087 				      unsigned idx, unsigned reg);
1088 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
1089 				      struct radeon_cs_packet *pkt);
1090 
1091 
1092 /*
1093  * AGP
1094  */
1095 int radeon_agp_init(struct radeon_device *rdev);
1096 void radeon_agp_resume(struct radeon_device *rdev);
1097 void radeon_agp_suspend(struct radeon_device *rdev);
1098 void radeon_agp_fini(struct radeon_device *rdev);
1099 
1100 
1101 /*
1102  * Writeback
1103  */
1104 struct radeon_wb {
1105 	struct radeon_bo	*wb_obj;
1106 	volatile uint32_t	*wb;
1107 	uint64_t		gpu_addr;
1108 	bool                    enabled;
1109 	bool                    use_event;
1110 };
1111 
1112 #define RADEON_WB_SCRATCH_OFFSET 0
1113 #define RADEON_WB_RING0_NEXT_RPTR 256
1114 #define RADEON_WB_CP_RPTR_OFFSET 1024
1115 #define RADEON_WB_CP1_RPTR_OFFSET 1280
1116 #define RADEON_WB_CP2_RPTR_OFFSET 1536
1117 #define R600_WB_DMA_RPTR_OFFSET   1792
1118 #define R600_WB_IH_WPTR_OFFSET   2048
1119 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1120 #define R600_WB_EVENT_OFFSET     3072
1121 #define CIK_WB_CP1_WPTR_OFFSET     3328
1122 #define CIK_WB_CP2_WPTR_OFFSET     3584
1123 
1124 /**
1125  * struct radeon_pm - power management datas
1126  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1127  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1128  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1129  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1130  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1131  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1132  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1133  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1134  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1135  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1136  * @needed_bandwidth:   current bandwidth needs
1137  *
1138  * It keeps track of various data needed to take powermanagement decision.
1139  * Bandwidth need is used to determine minimun clock of the GPU and memory.
1140  * Equation between gpu/memory clock and available bandwidth is hw dependent
1141  * (type of memory, bus size, efficiency, ...)
1142  */
1143 
1144 enum radeon_pm_method {
1145 	PM_METHOD_PROFILE,
1146 	PM_METHOD_DYNPM,
1147 	PM_METHOD_DPM,
1148 };
1149 
1150 enum radeon_dynpm_state {
1151 	DYNPM_STATE_DISABLED,
1152 	DYNPM_STATE_MINIMUM,
1153 	DYNPM_STATE_PAUSED,
1154 	DYNPM_STATE_ACTIVE,
1155 	DYNPM_STATE_SUSPENDED,
1156 };
1157 enum radeon_dynpm_action {
1158 	DYNPM_ACTION_NONE,
1159 	DYNPM_ACTION_MINIMUM,
1160 	DYNPM_ACTION_DOWNCLOCK,
1161 	DYNPM_ACTION_UPCLOCK,
1162 	DYNPM_ACTION_DEFAULT
1163 };
1164 
1165 enum radeon_voltage_type {
1166 	VOLTAGE_NONE = 0,
1167 	VOLTAGE_GPIO,
1168 	VOLTAGE_VDDC,
1169 	VOLTAGE_SW
1170 };
1171 
1172 enum radeon_pm_state_type {
1173 	/* not used for dpm */
1174 	POWER_STATE_TYPE_DEFAULT,
1175 	POWER_STATE_TYPE_POWERSAVE,
1176 	/* user selectable states */
1177 	POWER_STATE_TYPE_BATTERY,
1178 	POWER_STATE_TYPE_BALANCED,
1179 	POWER_STATE_TYPE_PERFORMANCE,
1180 	/* internal states */
1181 	POWER_STATE_TYPE_INTERNAL_UVD,
1182 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1183 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1184 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1185 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1186 	POWER_STATE_TYPE_INTERNAL_BOOT,
1187 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1188 	POWER_STATE_TYPE_INTERNAL_ACPI,
1189 	POWER_STATE_TYPE_INTERNAL_ULV,
1190 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1191 };
1192 
1193 enum radeon_pm_profile_type {
1194 	PM_PROFILE_DEFAULT,
1195 	PM_PROFILE_AUTO,
1196 	PM_PROFILE_LOW,
1197 	PM_PROFILE_MID,
1198 	PM_PROFILE_HIGH,
1199 };
1200 
1201 #define PM_PROFILE_DEFAULT_IDX 0
1202 #define PM_PROFILE_LOW_SH_IDX  1
1203 #define PM_PROFILE_MID_SH_IDX  2
1204 #define PM_PROFILE_HIGH_SH_IDX 3
1205 #define PM_PROFILE_LOW_MH_IDX  4
1206 #define PM_PROFILE_MID_MH_IDX  5
1207 #define PM_PROFILE_HIGH_MH_IDX 6
1208 #define PM_PROFILE_MAX         7
1209 
1210 struct radeon_pm_profile {
1211 	int dpms_off_ps_idx;
1212 	int dpms_on_ps_idx;
1213 	int dpms_off_cm_idx;
1214 	int dpms_on_cm_idx;
1215 };
1216 
1217 enum radeon_int_thermal_type {
1218 	THERMAL_TYPE_NONE,
1219 	THERMAL_TYPE_EXTERNAL,
1220 	THERMAL_TYPE_EXTERNAL_GPIO,
1221 	THERMAL_TYPE_RV6XX,
1222 	THERMAL_TYPE_RV770,
1223 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1224 	THERMAL_TYPE_EVERGREEN,
1225 	THERMAL_TYPE_SUMO,
1226 	THERMAL_TYPE_NI,
1227 	THERMAL_TYPE_SI,
1228 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1229 	THERMAL_TYPE_CI,
1230 	THERMAL_TYPE_KV,
1231 };
1232 
1233 struct radeon_voltage {
1234 	enum radeon_voltage_type type;
1235 	/* gpio voltage */
1236 	struct radeon_gpio_rec gpio;
1237 	u32 delay; /* delay in usec from voltage drop to sclk change */
1238 	bool active_high; /* voltage drop is active when bit is high */
1239 	/* VDDC voltage */
1240 	u8 vddc_id; /* index into vddc voltage table */
1241 	u8 vddci_id; /* index into vddci voltage table */
1242 	bool vddci_enabled;
1243 	/* r6xx+ sw */
1244 	u16 voltage;
1245 	/* evergreen+ vddci */
1246 	u16 vddci;
1247 };
1248 
1249 /* clock mode flags */
1250 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1251 
1252 struct radeon_pm_clock_info {
1253 	/* memory clock */
1254 	u32 mclk;
1255 	/* engine clock */
1256 	u32 sclk;
1257 	/* voltage info */
1258 	struct radeon_voltage voltage;
1259 	/* standardized clock flags */
1260 	u32 flags;
1261 };
1262 
1263 /* state flags */
1264 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1265 
1266 struct radeon_power_state {
1267 	enum radeon_pm_state_type type;
1268 	struct radeon_pm_clock_info *clock_info;
1269 	/* number of valid clock modes in this power state */
1270 	int num_clock_modes;
1271 	struct radeon_pm_clock_info *default_clock_mode;
1272 	/* standardized state flags */
1273 	u32 flags;
1274 	u32 misc; /* vbios specific flags */
1275 	u32 misc2; /* vbios specific flags */
1276 	int pcie_lanes; /* pcie lanes */
1277 };
1278 
1279 /*
1280  * Some modes are overclocked by very low value, accept them
1281  */
1282 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1283 
1284 enum radeon_dpm_auto_throttle_src {
1285 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1286 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1287 };
1288 
1289 enum radeon_dpm_event_src {
1290 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1291 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1292 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1293 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1294 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1295 };
1296 
1297 #define RADEON_MAX_VCE_LEVELS 6
1298 
1299 enum radeon_vce_level {
1300 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1301 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1302 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1303 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1304 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1305 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1306 };
1307 
1308 struct radeon_ps {
1309 	u32 caps; /* vbios flags */
1310 	u32 class; /* vbios flags */
1311 	u32 class2; /* vbios flags */
1312 	/* UVD clocks */
1313 	u32 vclk;
1314 	u32 dclk;
1315 	/* VCE clocks */
1316 	u32 evclk;
1317 	u32 ecclk;
1318 	bool vce_active;
1319 	enum radeon_vce_level vce_level;
1320 	/* asic priv */
1321 	void *ps_priv;
1322 };
1323 
1324 struct radeon_dpm_thermal {
1325 	/* thermal interrupt work */
1326 	struct work_struct work;
1327 	/* low temperature threshold */
1328 	int                min_temp;
1329 	/* high temperature threshold */
1330 	int                max_temp;
1331 	/* was interrupt low to high or high to low */
1332 	bool               high_to_low;
1333 };
1334 
1335 enum radeon_clk_action
1336 {
1337 	RADEON_SCLK_UP = 1,
1338 	RADEON_SCLK_DOWN
1339 };
1340 
1341 struct radeon_blacklist_clocks
1342 {
1343 	u32 sclk;
1344 	u32 mclk;
1345 	enum radeon_clk_action action;
1346 };
1347 
1348 struct radeon_clock_and_voltage_limits {
1349 	u32 sclk;
1350 	u32 mclk;
1351 	u16 vddc;
1352 	u16 vddci;
1353 };
1354 
1355 struct radeon_clock_array {
1356 	u32 count;
1357 	u32 *values;
1358 };
1359 
1360 struct radeon_clock_voltage_dependency_entry {
1361 	u32 clk;
1362 	u16 v;
1363 };
1364 
1365 struct radeon_clock_voltage_dependency_table {
1366 	u32 count;
1367 	struct radeon_clock_voltage_dependency_entry *entries;
1368 };
1369 
1370 union radeon_cac_leakage_entry {
1371 	struct {
1372 		u16 vddc;
1373 		u32 leakage;
1374 	};
1375 	struct {
1376 		u16 vddc1;
1377 		u16 vddc2;
1378 		u16 vddc3;
1379 	};
1380 };
1381 
1382 struct radeon_cac_leakage_table {
1383 	u32 count;
1384 	union radeon_cac_leakage_entry *entries;
1385 };
1386 
1387 struct radeon_phase_shedding_limits_entry {
1388 	u16 voltage;
1389 	u32 sclk;
1390 	u32 mclk;
1391 };
1392 
1393 struct radeon_phase_shedding_limits_table {
1394 	u32 count;
1395 	struct radeon_phase_shedding_limits_entry *entries;
1396 };
1397 
1398 struct radeon_uvd_clock_voltage_dependency_entry {
1399 	u32 vclk;
1400 	u32 dclk;
1401 	u16 v;
1402 };
1403 
1404 struct radeon_uvd_clock_voltage_dependency_table {
1405 	u8 count;
1406 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1407 };
1408 
1409 struct radeon_vce_clock_voltage_dependency_entry {
1410 	u32 ecclk;
1411 	u32 evclk;
1412 	u16 v;
1413 };
1414 
1415 struct radeon_vce_clock_voltage_dependency_table {
1416 	u8 count;
1417 	struct radeon_vce_clock_voltage_dependency_entry *entries;
1418 };
1419 
1420 struct radeon_ppm_table {
1421 	u8 ppm_design;
1422 	u16 cpu_core_number;
1423 	u32 platform_tdp;
1424 	u32 small_ac_platform_tdp;
1425 	u32 platform_tdc;
1426 	u32 small_ac_platform_tdc;
1427 	u32 apu_tdp;
1428 	u32 dgpu_tdp;
1429 	u32 dgpu_ulv_power;
1430 	u32 tj_max;
1431 };
1432 
1433 struct radeon_cac_tdp_table {
1434 	u16 tdp;
1435 	u16 configurable_tdp;
1436 	u16 tdc;
1437 	u16 battery_power_limit;
1438 	u16 small_power_limit;
1439 	u16 low_cac_leakage;
1440 	u16 high_cac_leakage;
1441 	u16 maximum_power_delivery_limit;
1442 };
1443 
1444 struct radeon_dpm_dynamic_state {
1445 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1446 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1447 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1448 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1449 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1450 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1451 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1452 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1453 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1454 	struct radeon_clock_array valid_sclk_values;
1455 	struct radeon_clock_array valid_mclk_values;
1456 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1457 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1458 	u32 mclk_sclk_ratio;
1459 	u32 sclk_mclk_delta;
1460 	u16 vddc_vddci_delta;
1461 	u16 min_vddc_for_pcie_gen2;
1462 	struct radeon_cac_leakage_table cac_leakage_table;
1463 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1464 	struct radeon_ppm_table *ppm_table;
1465 	struct radeon_cac_tdp_table *cac_tdp_table;
1466 };
1467 
1468 struct radeon_dpm_fan {
1469 	u16 t_min;
1470 	u16 t_med;
1471 	u16 t_high;
1472 	u16 pwm_min;
1473 	u16 pwm_med;
1474 	u16 pwm_high;
1475 	u8 t_hyst;
1476 	u32 cycle_delay;
1477 	u16 t_max;
1478 	bool ucode_fan_control;
1479 };
1480 
1481 enum radeon_pcie_gen {
1482 	RADEON_PCIE_GEN1 = 0,
1483 	RADEON_PCIE_GEN2 = 1,
1484 	RADEON_PCIE_GEN3 = 2,
1485 	RADEON_PCIE_GEN_INVALID = 0xffff
1486 };
1487 
1488 enum radeon_dpm_forced_level {
1489 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1490 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1491 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1492 };
1493 
1494 struct radeon_vce_state {
1495 	/* vce clocks */
1496 	u32 evclk;
1497 	u32 ecclk;
1498 	/* gpu clocks */
1499 	u32 sclk;
1500 	u32 mclk;
1501 	u8 clk_idx;
1502 	u8 pstate;
1503 };
1504 
1505 struct radeon_dpm {
1506 	struct radeon_ps        *ps;
1507 	/* number of valid power states */
1508 	int                     num_ps;
1509 	/* current power state that is active */
1510 	struct radeon_ps        *current_ps;
1511 	/* requested power state */
1512 	struct radeon_ps        *requested_ps;
1513 	/* boot up power state */
1514 	struct radeon_ps        *boot_ps;
1515 	/* default uvd power state */
1516 	struct radeon_ps        *uvd_ps;
1517 	/* vce requirements */
1518 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1519 	enum radeon_vce_level vce_level;
1520 	enum radeon_pm_state_type state;
1521 	enum radeon_pm_state_type user_state;
1522 	u32                     platform_caps;
1523 	u32                     voltage_response_time;
1524 	u32                     backbias_response_time;
1525 	void                    *priv;
1526 	u32			new_active_crtcs;
1527 	int			new_active_crtc_count;
1528 	u32			current_active_crtcs;
1529 	int			current_active_crtc_count;
1530 	struct radeon_dpm_dynamic_state dyn_state;
1531 	struct radeon_dpm_fan fan;
1532 	u32 tdp_limit;
1533 	u32 near_tdp_limit;
1534 	u32 near_tdp_limit_adjusted;
1535 	u32 sq_ramping_threshold;
1536 	u32 cac_leakage;
1537 	u16 tdp_od_limit;
1538 	u32 tdp_adjustment;
1539 	u16 load_line_slope;
1540 	bool power_control;
1541 	bool ac_power;
1542 	/* special states active */
1543 	bool                    thermal_active;
1544 	bool                    uvd_active;
1545 	bool                    vce_active;
1546 	/* thermal handling */
1547 	struct radeon_dpm_thermal thermal;
1548 	/* forced levels */
1549 	enum radeon_dpm_forced_level forced_level;
1550 	/* track UVD streams */
1551 	unsigned sd;
1552 	unsigned hd;
1553 };
1554 
1555 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1556 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1557 
1558 struct radeon_pm {
1559 	struct mutex		mutex;
1560 	/* write locked while reprogramming mclk */
1561 	struct rw_semaphore	mclk_lock;
1562 	u32			active_crtcs;
1563 	int			active_crtc_count;
1564 	int			req_vblank;
1565 	bool			vblank_sync;
1566 	fixed20_12		max_bandwidth;
1567 	fixed20_12		igp_sideport_mclk;
1568 	fixed20_12		igp_system_mclk;
1569 	fixed20_12		igp_ht_link_clk;
1570 	fixed20_12		igp_ht_link_width;
1571 	fixed20_12		k8_bandwidth;
1572 	fixed20_12		sideport_bandwidth;
1573 	fixed20_12		ht_bandwidth;
1574 	fixed20_12		core_bandwidth;
1575 	fixed20_12		sclk;
1576 	fixed20_12		mclk;
1577 	fixed20_12		needed_bandwidth;
1578 	struct radeon_power_state *power_state;
1579 	/* number of valid power states */
1580 	int                     num_power_states;
1581 	int                     current_power_state_index;
1582 	int                     current_clock_mode_index;
1583 	int                     requested_power_state_index;
1584 	int                     requested_clock_mode_index;
1585 	int                     default_power_state_index;
1586 	u32                     current_sclk;
1587 	u32                     current_mclk;
1588 	u16                     current_vddc;
1589 	u16                     current_vddci;
1590 	u32                     default_sclk;
1591 	u32                     default_mclk;
1592 	u16                     default_vddc;
1593 	u16                     default_vddci;
1594 	struct radeon_i2c_chan *i2c_bus;
1595 	/* selected pm method */
1596 	enum radeon_pm_method     pm_method;
1597 	/* dynpm power management */
1598 	struct delayed_work	dynpm_idle_work;
1599 	enum radeon_dynpm_state	dynpm_state;
1600 	enum radeon_dynpm_action	dynpm_planned_action;
1601 	unsigned long		dynpm_action_timeout;
1602 	bool                    dynpm_can_upclock;
1603 	bool                    dynpm_can_downclock;
1604 	/* profile-based power management */
1605 	enum radeon_pm_profile_type profile;
1606 	int                     profile_index;
1607 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1608 	/* internal thermal controller on rv6xx+ */
1609 	enum radeon_int_thermal_type int_thermal_type;
1610 	struct device	        *int_hwmon_dev;
1611 	/* dpm */
1612 	bool                    dpm_enabled;
1613 	struct radeon_dpm       dpm;
1614 };
1615 
1616 int radeon_pm_get_type_index(struct radeon_device *rdev,
1617 			     enum radeon_pm_state_type ps_type,
1618 			     int instance);
1619 /*
1620  * UVD
1621  */
1622 #define RADEON_MAX_UVD_HANDLES	10
1623 #define RADEON_UVD_STACK_SIZE	(1024*1024)
1624 #define RADEON_UVD_HEAP_SIZE	(1024*1024)
1625 
1626 struct radeon_uvd {
1627 	struct radeon_bo	*vcpu_bo;
1628 	void			*cpu_addr;
1629 	uint64_t		gpu_addr;
1630 	void			*saved_bo;
1631 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1632 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1633 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1634 	struct delayed_work	idle_work;
1635 };
1636 
1637 int radeon_uvd_init(struct radeon_device *rdev);
1638 void radeon_uvd_fini(struct radeon_device *rdev);
1639 int radeon_uvd_suspend(struct radeon_device *rdev);
1640 int radeon_uvd_resume(struct radeon_device *rdev);
1641 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1642 			      uint32_t handle, struct radeon_fence **fence);
1643 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1644 			       uint32_t handle, struct radeon_fence **fence);
1645 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo);
1646 void radeon_uvd_free_handles(struct radeon_device *rdev,
1647 			     struct drm_file *filp);
1648 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1649 void radeon_uvd_note_usage(struct radeon_device *rdev);
1650 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1651 				  unsigned vclk, unsigned dclk,
1652 				  unsigned vco_min, unsigned vco_max,
1653 				  unsigned fb_factor, unsigned fb_mask,
1654 				  unsigned pd_min, unsigned pd_max,
1655 				  unsigned pd_even,
1656 				  unsigned *optimal_fb_div,
1657 				  unsigned *optimal_vclk_div,
1658 				  unsigned *optimal_dclk_div);
1659 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1660                                 unsigned cg_upll_func_cntl);
1661 
1662 /*
1663  * VCE
1664  */
1665 #define RADEON_MAX_VCE_HANDLES	16
1666 #define RADEON_VCE_STACK_SIZE	(1024*1024)
1667 #define RADEON_VCE_HEAP_SIZE	(4*1024*1024)
1668 
1669 struct radeon_vce {
1670 	struct radeon_bo	*vcpu_bo;
1671 	uint64_t		gpu_addr;
1672 	unsigned		fw_version;
1673 	unsigned		fb_version;
1674 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1675 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1676 	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
1677 	struct delayed_work	idle_work;
1678 };
1679 
1680 int radeon_vce_init(struct radeon_device *rdev);
1681 void radeon_vce_fini(struct radeon_device *rdev);
1682 int radeon_vce_suspend(struct radeon_device *rdev);
1683 int radeon_vce_resume(struct radeon_device *rdev);
1684 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1685 			      uint32_t handle, struct radeon_fence **fence);
1686 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1687 			       uint32_t handle, struct radeon_fence **fence);
1688 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1689 void radeon_vce_note_usage(struct radeon_device *rdev);
1690 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
1691 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1692 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1693 			       struct radeon_ring *ring,
1694 			       struct radeon_semaphore *semaphore,
1695 			       bool emit_wait);
1696 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1697 void radeon_vce_fence_emit(struct radeon_device *rdev,
1698 			   struct radeon_fence *fence);
1699 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1700 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1701 
1702 struct r600_audio_pin {
1703 	int			channels;
1704 	int			rate;
1705 	int			bits_per_sample;
1706 	u8			status_bits;
1707 	u8			category_code;
1708 	u32			offset;
1709 	bool			connected;
1710 	u32			id;
1711 };
1712 
1713 struct r600_audio {
1714 	bool enabled;
1715 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1716 	int num_pins;
1717 };
1718 
1719 /*
1720  * Benchmarking
1721  */
1722 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1723 
1724 
1725 /*
1726  * Testing
1727  */
1728 void radeon_test_moves(struct radeon_device *rdev);
1729 void radeon_test_ring_sync(struct radeon_device *rdev,
1730 			   struct radeon_ring *cpA,
1731 			   struct radeon_ring *cpB);
1732 void radeon_test_syncing(struct radeon_device *rdev);
1733 
1734 
1735 /*
1736  * Debugfs
1737  */
1738 struct radeon_debugfs {
1739 	struct drm_info_list	*files;
1740 	unsigned		num_files;
1741 };
1742 
1743 int radeon_debugfs_add_files(struct radeon_device *rdev,
1744 			     struct drm_info_list *files,
1745 			     unsigned nfiles);
1746 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1747 
1748 /*
1749  * ASIC ring specific functions.
1750  */
1751 struct radeon_asic_ring {
1752 	/* ring read/write ptr handling */
1753 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1754 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1755 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1756 
1757 	/* validating and patching of IBs */
1758 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1759 	int (*cs_parse)(struct radeon_cs_parser *p);
1760 
1761 	/* command emmit functions */
1762 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1763 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1764 	void (*hdp_flush)(struct radeon_device *rdev, struct radeon_ring *ring);
1765 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1766 			       struct radeon_semaphore *semaphore, bool emit_wait);
1767 	void (*vm_flush)(struct radeon_device *rdev, int ridx, struct radeon_vm *vm);
1768 
1769 	/* testing functions */
1770 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1771 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1772 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1773 
1774 	/* deprecated */
1775 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1776 };
1777 
1778 /*
1779  * ASIC specific functions.
1780  */
1781 struct radeon_asic {
1782 	int (*init)(struct radeon_device *rdev);
1783 	void (*fini)(struct radeon_device *rdev);
1784 	int (*resume)(struct radeon_device *rdev);
1785 	int (*suspend)(struct radeon_device *rdev);
1786 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1787 	int (*asic_reset)(struct radeon_device *rdev);
1788 	/* Flush the HDP cache via MMIO */
1789 	void (*mmio_hdp_flush)(struct radeon_device *rdev);
1790 	/* check if 3D engine is idle */
1791 	bool (*gui_idle)(struct radeon_device *rdev);
1792 	/* wait for mc_idle */
1793 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1794 	/* get the reference clock */
1795 	u32 (*get_xclk)(struct radeon_device *rdev);
1796 	/* get the gpu clock counter */
1797 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1798 	/* gart */
1799 	struct {
1800 		void (*tlb_flush)(struct radeon_device *rdev);
1801 		void (*set_page)(struct radeon_device *rdev, unsigned i,
1802 				 uint64_t addr, uint32_t flags);
1803 	} gart;
1804 	struct {
1805 		int (*init)(struct radeon_device *rdev);
1806 		void (*fini)(struct radeon_device *rdev);
1807 		void (*copy_pages)(struct radeon_device *rdev,
1808 				   struct radeon_ib *ib,
1809 				   uint64_t pe, uint64_t src,
1810 				   unsigned count);
1811 		void (*write_pages)(struct radeon_device *rdev,
1812 				    struct radeon_ib *ib,
1813 				    uint64_t pe,
1814 				    uint64_t addr, unsigned count,
1815 				    uint32_t incr, uint32_t flags);
1816 		void (*set_pages)(struct radeon_device *rdev,
1817 				  struct radeon_ib *ib,
1818 				  uint64_t pe,
1819 				  uint64_t addr, unsigned count,
1820 				  uint32_t incr, uint32_t flags);
1821 		void (*pad_ib)(struct radeon_ib *ib);
1822 	} vm;
1823 	/* ring specific callbacks */
1824 	struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1825 	/* irqs */
1826 	struct {
1827 		int (*set)(struct radeon_device *rdev);
1828 		int (*process)(struct radeon_device *rdev);
1829 	} irq;
1830 	/* displays */
1831 	struct {
1832 		/* display watermarks */
1833 		void (*bandwidth_update)(struct radeon_device *rdev);
1834 		/* get frame count */
1835 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1836 		/* wait for vblank */
1837 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1838 		/* set backlight level */
1839 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1840 		/* get backlight level */
1841 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1842 		/* audio callbacks */
1843 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1844 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1845 	} display;
1846 	/* copy functions for bo handling */
1847 	struct {
1848 		int (*blit)(struct radeon_device *rdev,
1849 			    uint64_t src_offset,
1850 			    uint64_t dst_offset,
1851 			    unsigned num_gpu_pages,
1852 			    struct radeon_fence **fence);
1853 		u32 blit_ring_index;
1854 		int (*dma)(struct radeon_device *rdev,
1855 			   uint64_t src_offset,
1856 			   uint64_t dst_offset,
1857 			   unsigned num_gpu_pages,
1858 			   struct radeon_fence **fence);
1859 		u32 dma_ring_index;
1860 		/* method used for bo copy */
1861 		int (*copy)(struct radeon_device *rdev,
1862 			    uint64_t src_offset,
1863 			    uint64_t dst_offset,
1864 			    unsigned num_gpu_pages,
1865 			    struct radeon_fence **fence);
1866 		/* ring used for bo copies */
1867 		u32 copy_ring_index;
1868 	} copy;
1869 	/* surfaces */
1870 	struct {
1871 		int (*set_reg)(struct radeon_device *rdev, int reg,
1872 				       uint32_t tiling_flags, uint32_t pitch,
1873 				       uint32_t offset, uint32_t obj_size);
1874 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1875 	} surface;
1876 	/* hotplug detect */
1877 	struct {
1878 		void (*init)(struct radeon_device *rdev);
1879 		void (*fini)(struct radeon_device *rdev);
1880 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1881 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1882 	} hpd;
1883 	/* static power management */
1884 	struct {
1885 		void (*misc)(struct radeon_device *rdev);
1886 		void (*prepare)(struct radeon_device *rdev);
1887 		void (*finish)(struct radeon_device *rdev);
1888 		void (*init_profile)(struct radeon_device *rdev);
1889 		void (*get_dynpm_state)(struct radeon_device *rdev);
1890 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1891 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1892 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1893 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1894 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1895 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1896 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1897 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1898 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1899 		int (*get_temperature)(struct radeon_device *rdev);
1900 	} pm;
1901 	/* dynamic power management */
1902 	struct {
1903 		int (*init)(struct radeon_device *rdev);
1904 		void (*setup_asic)(struct radeon_device *rdev);
1905 		int (*enable)(struct radeon_device *rdev);
1906 		int (*late_enable)(struct radeon_device *rdev);
1907 		void (*disable)(struct radeon_device *rdev);
1908 		int (*pre_set_power_state)(struct radeon_device *rdev);
1909 		int (*set_power_state)(struct radeon_device *rdev);
1910 		void (*post_set_power_state)(struct radeon_device *rdev);
1911 		void (*display_configuration_changed)(struct radeon_device *rdev);
1912 		void (*fini)(struct radeon_device *rdev);
1913 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1914 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1915 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1916 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1917 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1918 		bool (*vblank_too_short)(struct radeon_device *rdev);
1919 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1920 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1921 	} dpm;
1922 	/* pageflipping */
1923 	struct {
1924 		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1925 		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
1926 	} pflip;
1927 };
1928 
1929 /*
1930  * Asic structures
1931  */
1932 struct r100_asic {
1933 	const unsigned		*reg_safe_bm;
1934 	unsigned		reg_safe_bm_size;
1935 	u32			hdp_cntl;
1936 };
1937 
1938 struct r300_asic {
1939 	const unsigned		*reg_safe_bm;
1940 	unsigned		reg_safe_bm_size;
1941 	u32			resync_scratch;
1942 	u32			hdp_cntl;
1943 };
1944 
1945 struct r600_asic {
1946 	unsigned		max_pipes;
1947 	unsigned		max_tile_pipes;
1948 	unsigned		max_simds;
1949 	unsigned		max_backends;
1950 	unsigned		max_gprs;
1951 	unsigned		max_threads;
1952 	unsigned		max_stack_entries;
1953 	unsigned		max_hw_contexts;
1954 	unsigned		max_gs_threads;
1955 	unsigned		sx_max_export_size;
1956 	unsigned		sx_max_export_pos_size;
1957 	unsigned		sx_max_export_smx_size;
1958 	unsigned		sq_num_cf_insts;
1959 	unsigned		tiling_nbanks;
1960 	unsigned		tiling_npipes;
1961 	unsigned		tiling_group_size;
1962 	unsigned		tile_config;
1963 	unsigned		backend_map;
1964 	unsigned		active_simds;
1965 };
1966 
1967 struct rv770_asic {
1968 	unsigned		max_pipes;
1969 	unsigned		max_tile_pipes;
1970 	unsigned		max_simds;
1971 	unsigned		max_backends;
1972 	unsigned		max_gprs;
1973 	unsigned		max_threads;
1974 	unsigned		max_stack_entries;
1975 	unsigned		max_hw_contexts;
1976 	unsigned		max_gs_threads;
1977 	unsigned		sx_max_export_size;
1978 	unsigned		sx_max_export_pos_size;
1979 	unsigned		sx_max_export_smx_size;
1980 	unsigned		sq_num_cf_insts;
1981 	unsigned		sx_num_of_sets;
1982 	unsigned		sc_prim_fifo_size;
1983 	unsigned		sc_hiz_tile_fifo_size;
1984 	unsigned		sc_earlyz_tile_fifo_fize;
1985 	unsigned		tiling_nbanks;
1986 	unsigned		tiling_npipes;
1987 	unsigned		tiling_group_size;
1988 	unsigned		tile_config;
1989 	unsigned		backend_map;
1990 	unsigned		active_simds;
1991 };
1992 
1993 struct evergreen_asic {
1994 	unsigned num_ses;
1995 	unsigned max_pipes;
1996 	unsigned max_tile_pipes;
1997 	unsigned max_simds;
1998 	unsigned max_backends;
1999 	unsigned max_gprs;
2000 	unsigned max_threads;
2001 	unsigned max_stack_entries;
2002 	unsigned max_hw_contexts;
2003 	unsigned max_gs_threads;
2004 	unsigned sx_max_export_size;
2005 	unsigned sx_max_export_pos_size;
2006 	unsigned sx_max_export_smx_size;
2007 	unsigned sq_num_cf_insts;
2008 	unsigned sx_num_of_sets;
2009 	unsigned sc_prim_fifo_size;
2010 	unsigned sc_hiz_tile_fifo_size;
2011 	unsigned sc_earlyz_tile_fifo_size;
2012 	unsigned tiling_nbanks;
2013 	unsigned tiling_npipes;
2014 	unsigned tiling_group_size;
2015 	unsigned tile_config;
2016 	unsigned backend_map;
2017 	unsigned active_simds;
2018 };
2019 
2020 struct cayman_asic {
2021 	unsigned max_shader_engines;
2022 	unsigned max_pipes_per_simd;
2023 	unsigned max_tile_pipes;
2024 	unsigned max_simds_per_se;
2025 	unsigned max_backends_per_se;
2026 	unsigned max_texture_channel_caches;
2027 	unsigned max_gprs;
2028 	unsigned max_threads;
2029 	unsigned max_gs_threads;
2030 	unsigned max_stack_entries;
2031 	unsigned sx_num_of_sets;
2032 	unsigned sx_max_export_size;
2033 	unsigned sx_max_export_pos_size;
2034 	unsigned sx_max_export_smx_size;
2035 	unsigned max_hw_contexts;
2036 	unsigned sq_num_cf_insts;
2037 	unsigned sc_prim_fifo_size;
2038 	unsigned sc_hiz_tile_fifo_size;
2039 	unsigned sc_earlyz_tile_fifo_size;
2040 
2041 	unsigned num_shader_engines;
2042 	unsigned num_shader_pipes_per_simd;
2043 	unsigned num_tile_pipes;
2044 	unsigned num_simds_per_se;
2045 	unsigned num_backends_per_se;
2046 	unsigned backend_disable_mask_per_asic;
2047 	unsigned backend_map;
2048 	unsigned num_texture_channel_caches;
2049 	unsigned mem_max_burst_length_bytes;
2050 	unsigned mem_row_size_in_kb;
2051 	unsigned shader_engine_tile_size;
2052 	unsigned num_gpus;
2053 	unsigned multi_gpu_tile_size;
2054 
2055 	unsigned tile_config;
2056 	unsigned active_simds;
2057 };
2058 
2059 struct si_asic {
2060 	unsigned max_shader_engines;
2061 	unsigned max_tile_pipes;
2062 	unsigned max_cu_per_sh;
2063 	unsigned max_sh_per_se;
2064 	unsigned max_backends_per_se;
2065 	unsigned max_texture_channel_caches;
2066 	unsigned max_gprs;
2067 	unsigned max_gs_threads;
2068 	unsigned max_hw_contexts;
2069 	unsigned sc_prim_fifo_size_frontend;
2070 	unsigned sc_prim_fifo_size_backend;
2071 	unsigned sc_hiz_tile_fifo_size;
2072 	unsigned sc_earlyz_tile_fifo_size;
2073 
2074 	unsigned num_tile_pipes;
2075 	unsigned backend_enable_mask;
2076 	unsigned backend_disable_mask_per_asic;
2077 	unsigned backend_map;
2078 	unsigned num_texture_channel_caches;
2079 	unsigned mem_max_burst_length_bytes;
2080 	unsigned mem_row_size_in_kb;
2081 	unsigned shader_engine_tile_size;
2082 	unsigned num_gpus;
2083 	unsigned multi_gpu_tile_size;
2084 
2085 	unsigned tile_config;
2086 	uint32_t tile_mode_array[32];
2087 	uint32_t active_cus;
2088 };
2089 
2090 struct cik_asic {
2091 	unsigned max_shader_engines;
2092 	unsigned max_tile_pipes;
2093 	unsigned max_cu_per_sh;
2094 	unsigned max_sh_per_se;
2095 	unsigned max_backends_per_se;
2096 	unsigned max_texture_channel_caches;
2097 	unsigned max_gprs;
2098 	unsigned max_gs_threads;
2099 	unsigned max_hw_contexts;
2100 	unsigned sc_prim_fifo_size_frontend;
2101 	unsigned sc_prim_fifo_size_backend;
2102 	unsigned sc_hiz_tile_fifo_size;
2103 	unsigned sc_earlyz_tile_fifo_size;
2104 
2105 	unsigned num_tile_pipes;
2106 	unsigned backend_enable_mask;
2107 	unsigned backend_disable_mask_per_asic;
2108 	unsigned backend_map;
2109 	unsigned num_texture_channel_caches;
2110 	unsigned mem_max_burst_length_bytes;
2111 	unsigned mem_row_size_in_kb;
2112 	unsigned shader_engine_tile_size;
2113 	unsigned num_gpus;
2114 	unsigned multi_gpu_tile_size;
2115 
2116 	unsigned tile_config;
2117 	uint32_t tile_mode_array[32];
2118 	uint32_t macrotile_mode_array[16];
2119 	uint32_t active_cus;
2120 };
2121 
2122 union radeon_asic_config {
2123 	struct r300_asic	r300;
2124 	struct r100_asic	r100;
2125 	struct r600_asic	r600;
2126 	struct rv770_asic	rv770;
2127 	struct evergreen_asic	evergreen;
2128 	struct cayman_asic	cayman;
2129 	struct si_asic		si;
2130 	struct cik_asic		cik;
2131 };
2132 
2133 /*
2134  * asic initizalization from radeon_asic.c
2135  */
2136 void radeon_agp_disable(struct radeon_device *rdev);
2137 int radeon_asic_init(struct radeon_device *rdev);
2138 
2139 
2140 /*
2141  * IOCTL.
2142  */
2143 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2144 			  struct drm_file *filp);
2145 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2146 			    struct drm_file *filp);
2147 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2148 			 struct drm_file *file_priv);
2149 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2150 			   struct drm_file *file_priv);
2151 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
2152 			    struct drm_file *file_priv);
2153 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
2154 			   struct drm_file *file_priv);
2155 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2156 				struct drm_file *filp);
2157 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2158 			  struct drm_file *filp);
2159 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2160 			  struct drm_file *filp);
2161 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2162 			      struct drm_file *filp);
2163 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2164 			  struct drm_file *filp);
2165 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2166 			struct drm_file *filp);
2167 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2168 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2169 				struct drm_file *filp);
2170 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2171 				struct drm_file *filp);
2172 
2173 /* VRAM scratch page for HDP bug, default vram page */
2174 struct r600_vram_scratch {
2175 	struct radeon_bo		*robj;
2176 	volatile uint32_t		*ptr;
2177 	u64				gpu_addr;
2178 };
2179 
2180 /*
2181  * ACPI
2182  */
2183 struct radeon_atif_notification_cfg {
2184 	bool enabled;
2185 	int command_code;
2186 };
2187 
2188 struct radeon_atif_notifications {
2189 	bool display_switch;
2190 	bool expansion_mode_change;
2191 	bool thermal_state;
2192 	bool forced_power_state;
2193 	bool system_power_state;
2194 	bool display_conf_change;
2195 	bool px_gfx_switch;
2196 	bool brightness_change;
2197 	bool dgpu_display_event;
2198 };
2199 
2200 struct radeon_atif_functions {
2201 	bool system_params;
2202 	bool sbios_requests;
2203 	bool select_active_disp;
2204 	bool lid_state;
2205 	bool get_tv_standard;
2206 	bool set_tv_standard;
2207 	bool get_panel_expansion_mode;
2208 	bool set_panel_expansion_mode;
2209 	bool temperature_change;
2210 	bool graphics_device_types;
2211 };
2212 
2213 struct radeon_atif {
2214 	struct radeon_atif_notifications notifications;
2215 	struct radeon_atif_functions functions;
2216 	struct radeon_atif_notification_cfg notification_cfg;
2217 	struct radeon_encoder *encoder_for_bl;
2218 };
2219 
2220 struct radeon_atcs_functions {
2221 	bool get_ext_state;
2222 	bool pcie_perf_req;
2223 	bool pcie_dev_rdy;
2224 	bool pcie_bus_width;
2225 };
2226 
2227 struct radeon_atcs {
2228 	struct radeon_atcs_functions functions;
2229 };
2230 
2231 /*
2232  * Core structure, functions and helpers.
2233  */
2234 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2235 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2236 
2237 struct radeon_device {
2238 	struct device			*dev;
2239 	struct drm_device		*ddev;
2240 	struct pci_dev			*pdev;
2241 	struct rw_semaphore		exclusive_lock;
2242 	/* ASIC */
2243 	union radeon_asic_config	config;
2244 	enum radeon_family		family;
2245 	unsigned long			flags;
2246 	int				usec_timeout;
2247 	enum radeon_pll_errata		pll_errata;
2248 	int				num_gb_pipes;
2249 	int				num_z_pipes;
2250 	int				disp_priority;
2251 	/* BIOS */
2252 	uint8_t				*bios;
2253 	bool				is_atom_bios;
2254 	uint16_t			bios_header_start;
2255 	struct radeon_bo		*stollen_vga_memory;
2256 	/* Register mmio */
2257 	resource_size_t			rmmio_base;
2258 	resource_size_t			rmmio_size;
2259 	/* protects concurrent MM_INDEX/DATA based register access */
2260 	spinlock_t mmio_idx_lock;
2261 	/* protects concurrent SMC based register access */
2262 	spinlock_t smc_idx_lock;
2263 	/* protects concurrent PLL register access */
2264 	spinlock_t pll_idx_lock;
2265 	/* protects concurrent MC register access */
2266 	spinlock_t mc_idx_lock;
2267 	/* protects concurrent PCIE register access */
2268 	spinlock_t pcie_idx_lock;
2269 	/* protects concurrent PCIE_PORT register access */
2270 	spinlock_t pciep_idx_lock;
2271 	/* protects concurrent PIF register access */
2272 	spinlock_t pif_idx_lock;
2273 	/* protects concurrent CG register access */
2274 	spinlock_t cg_idx_lock;
2275 	/* protects concurrent UVD register access */
2276 	spinlock_t uvd_idx_lock;
2277 	/* protects concurrent RCU register access */
2278 	spinlock_t rcu_idx_lock;
2279 	/* protects concurrent DIDT register access */
2280 	spinlock_t didt_idx_lock;
2281 	/* protects concurrent ENDPOINT (audio) register access */
2282 	spinlock_t end_idx_lock;
2283 	void __iomem			*rmmio;
2284 	radeon_rreg_t			mc_rreg;
2285 	radeon_wreg_t			mc_wreg;
2286 	radeon_rreg_t			pll_rreg;
2287 	radeon_wreg_t			pll_wreg;
2288 	uint32_t                        pcie_reg_mask;
2289 	radeon_rreg_t			pciep_rreg;
2290 	radeon_wreg_t			pciep_wreg;
2291 	/* io port */
2292 	void __iomem                    *rio_mem;
2293 	resource_size_t			rio_mem_size;
2294 	struct radeon_clock             clock;
2295 	struct radeon_mc		mc;
2296 	struct radeon_gart		gart;
2297 	struct radeon_mode_info		mode_info;
2298 	struct radeon_scratch		scratch;
2299 	struct radeon_doorbell		doorbell;
2300 	struct radeon_mman		mman;
2301 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2302 	wait_queue_head_t		fence_queue;
2303 	struct mutex			ring_lock;
2304 	struct radeon_ring		ring[RADEON_NUM_RINGS];
2305 	bool				ib_pool_ready;
2306 	struct radeon_sa_manager	ring_tmp_bo;
2307 	struct radeon_irq		irq;
2308 	struct radeon_asic		*asic;
2309 	struct radeon_gem		gem;
2310 	struct radeon_pm		pm;
2311 	struct radeon_uvd		uvd;
2312 	struct radeon_vce		vce;
2313 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2314 	struct radeon_wb		wb;
2315 	struct radeon_dummy_page	dummy_page;
2316 	bool				shutdown;
2317 	bool				suspend;
2318 	bool				need_dma32;
2319 	bool				accel_working;
2320 	bool				fastfb_working; /* IGP feature*/
2321 	bool				needs_reset;
2322 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2323 	const struct firmware *me_fw;	/* all family ME firmware */
2324 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2325 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2326 	const struct firmware *mc_fw;	/* NI MC firmware */
2327 	const struct firmware *ce_fw;	/* SI CE firmware */
2328 	const struct firmware *mec_fw;	/* CIK MEC firmware */
2329 	const struct firmware *mec2_fw;	/* KV MEC2 firmware */
2330 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2331 	const struct firmware *smc_fw;	/* SMC firmware */
2332 	const struct firmware *uvd_fw;	/* UVD firmware */
2333 	const struct firmware *vce_fw;	/* VCE firmware */
2334 	bool new_fw;
2335 	struct r600_vram_scratch vram_scratch;
2336 	int msi_enabled; /* msi enabled */
2337 	struct r600_ih ih; /* r6/700 interrupt ring */
2338 	struct radeon_rlc rlc;
2339 	struct radeon_mec mec;
2340 	struct work_struct hotplug_work;
2341 	struct work_struct audio_work;
2342 	struct work_struct reset_work;
2343 	int num_crtc; /* number of crtcs */
2344 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2345 	bool has_uvd;
2346 	struct r600_audio audio; /* audio stuff */
2347 	struct notifier_block acpi_nb;
2348 	/* only one userspace can use Hyperz features or CMASK at a time */
2349 	struct drm_file *hyperz_filp;
2350 	struct drm_file *cmask_filp;
2351 	/* i2c buses */
2352 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2353 	/* debugfs */
2354 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
2355 	unsigned 		debugfs_count;
2356 	/* virtual memory */
2357 	struct radeon_vm_manager	vm_manager;
2358 	struct mutex			gpu_clock_mutex;
2359 	/* memory stats */
2360 	atomic64_t			vram_usage;
2361 	atomic64_t			gtt_usage;
2362 	atomic64_t			num_bytes_moved;
2363 	/* ACPI interface */
2364 	struct radeon_atif		atif;
2365 	struct radeon_atcs		atcs;
2366 	/* srbm instance registers */
2367 	struct mutex			srbm_mutex;
2368 	/* clock, powergating flags */
2369 	u32 cg_flags;
2370 	u32 pg_flags;
2371 
2372 	struct dev_pm_domain vga_pm_domain;
2373 	bool have_disp_power_ref;
2374 	u32 px_quirk_flags;
2375 
2376 	/* tracking pinned memory */
2377 	u64 vram_pin_size;
2378 	u64 gart_pin_size;
2379 };
2380 
2381 bool radeon_is_px(struct drm_device *dev);
2382 int radeon_device_init(struct radeon_device *rdev,
2383 		       struct drm_device *ddev,
2384 		       struct pci_dev *pdev,
2385 		       uint32_t flags);
2386 void radeon_device_fini(struct radeon_device *rdev);
2387 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2388 
2389 #define RADEON_MIN_MMIO_SIZE 0x10000
2390 
2391 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2392 				    bool always_indirect)
2393 {
2394 	/* The mmio size is 64kb at minimum. Allows the if to be optimized out. */
2395 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2396 		return readl(((void __iomem *)rdev->rmmio) + reg);
2397 	else {
2398 		unsigned long flags;
2399 		uint32_t ret;
2400 
2401 		spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
2402 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
2403 		ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
2404 		spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
2405 
2406 		return ret;
2407 	}
2408 }
2409 
2410 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2411 				bool always_indirect)
2412 {
2413 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2414 		writel(v, ((void __iomem *)rdev->rmmio) + reg);
2415 	else {
2416 		unsigned long flags;
2417 
2418 		spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
2419 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
2420 		writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
2421 		spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
2422 	}
2423 }
2424 
2425 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2426 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2427 
2428 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2429 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2430 
2431 /*
2432  * Cast helper
2433  */
2434 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
2435 
2436 /*
2437  * Registers read & write functions.
2438  */
2439 #define RREG8(reg) readb((rdev->rmmio) + (reg))
2440 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2441 #define RREG16(reg) readw((rdev->rmmio) + (reg))
2442 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2443 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2444 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2445 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg), false))
2446 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2447 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2448 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2449 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2450 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2451 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2452 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2453 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2454 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2455 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2456 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2457 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2458 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2459 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2460 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2461 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2462 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2463 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2464 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2465 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2466 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2467 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2468 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2469 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2470 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2471 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2472 #define WREG32_P(reg, val, mask)				\
2473 	do {							\
2474 		uint32_t tmp_ = RREG32(reg);			\
2475 		tmp_ &= (mask);					\
2476 		tmp_ |= ((val) & ~(mask));			\
2477 		WREG32(reg, tmp_);				\
2478 	} while (0)
2479 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2480 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2481 #define WREG32_PLL_P(reg, val, mask)				\
2482 	do {							\
2483 		uint32_t tmp_ = RREG32_PLL(reg);		\
2484 		tmp_ &= (mask);					\
2485 		tmp_ |= ((val) & ~(mask));			\
2486 		WREG32_PLL(reg, tmp_);				\
2487 	} while (0)
2488 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2489 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2490 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2491 
2492 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2493 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2494 
2495 /*
2496  * Indirect registers accessor
2497  */
2498 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
2499 {
2500 	unsigned long flags;
2501 	uint32_t r;
2502 
2503 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2504 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2505 	r = RREG32(RADEON_PCIE_DATA);
2506 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2507 	return r;
2508 }
2509 
2510 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2511 {
2512 	unsigned long flags;
2513 
2514 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2515 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2516 	WREG32(RADEON_PCIE_DATA, (v));
2517 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2518 }
2519 
2520 static inline u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
2521 {
2522 	unsigned long flags;
2523 	u32 r;
2524 
2525 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2526 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2527 	r = RREG32(TN_SMC_IND_DATA_0);
2528 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2529 	return r;
2530 }
2531 
2532 static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2533 {
2534 	unsigned long flags;
2535 
2536 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2537 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2538 	WREG32(TN_SMC_IND_DATA_0, (v));
2539 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2540 }
2541 
2542 static inline u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
2543 {
2544 	unsigned long flags;
2545 	u32 r;
2546 
2547 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2548 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2549 	r = RREG32(R600_RCU_DATA);
2550 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2551 	return r;
2552 }
2553 
2554 static inline void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2555 {
2556 	unsigned long flags;
2557 
2558 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2559 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2560 	WREG32(R600_RCU_DATA, (v));
2561 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2562 }
2563 
2564 static inline u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
2565 {
2566 	unsigned long flags;
2567 	u32 r;
2568 
2569 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2570 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2571 	r = RREG32(EVERGREEN_CG_IND_DATA);
2572 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2573 	return r;
2574 }
2575 
2576 static inline void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2577 {
2578 	unsigned long flags;
2579 
2580 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2581 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2582 	WREG32(EVERGREEN_CG_IND_DATA, (v));
2583 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2584 }
2585 
2586 static inline u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
2587 {
2588 	unsigned long flags;
2589 	u32 r;
2590 
2591 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2592 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2593 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
2594 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2595 	return r;
2596 }
2597 
2598 static inline void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2599 {
2600 	unsigned long flags;
2601 
2602 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2603 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2604 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
2605 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2606 }
2607 
2608 static inline u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
2609 {
2610 	unsigned long flags;
2611 	u32 r;
2612 
2613 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2614 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2615 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
2616 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2617 	return r;
2618 }
2619 
2620 static inline void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2621 {
2622 	unsigned long flags;
2623 
2624 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2625 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2626 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
2627 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2628 }
2629 
2630 static inline u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
2631 {
2632 	unsigned long flags;
2633 	u32 r;
2634 
2635 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2636 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2637 	r = RREG32(R600_UVD_CTX_DATA);
2638 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2639 	return r;
2640 }
2641 
2642 static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2643 {
2644 	unsigned long flags;
2645 
2646 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2647 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2648 	WREG32(R600_UVD_CTX_DATA, (v));
2649 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2650 }
2651 
2652 
2653 static inline u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg)
2654 {
2655 	unsigned long flags;
2656 	u32 r;
2657 
2658 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2659 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2660 	r = RREG32(CIK_DIDT_IND_DATA);
2661 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2662 	return r;
2663 }
2664 
2665 static inline void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2666 {
2667 	unsigned long flags;
2668 
2669 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2670 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2671 	WREG32(CIK_DIDT_IND_DATA, (v));
2672 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2673 }
2674 
2675 void r100_pll_errata_after_index(struct radeon_device *rdev);
2676 
2677 
2678 /*
2679  * ASICs helpers.
2680  */
2681 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2682 			    (rdev->pdev->device == 0x5969))
2683 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2684 		(rdev->family == CHIP_RV200) || \
2685 		(rdev->family == CHIP_RS100) || \
2686 		(rdev->family == CHIP_RS200) || \
2687 		(rdev->family == CHIP_RV250) || \
2688 		(rdev->family == CHIP_RV280) || \
2689 		(rdev->family == CHIP_RS300))
2690 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2691 		(rdev->family == CHIP_RV350) ||			\
2692 		(rdev->family == CHIP_R350)  ||			\
2693 		(rdev->family == CHIP_RV380) ||			\
2694 		(rdev->family == CHIP_R420)  ||			\
2695 		(rdev->family == CHIP_R423)  ||			\
2696 		(rdev->family == CHIP_RV410) ||			\
2697 		(rdev->family == CHIP_RS400) ||			\
2698 		(rdev->family == CHIP_RS480))
2699 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
2700 		(rdev->ddev->pdev->device == 0x9443) || \
2701 		(rdev->ddev->pdev->device == 0x944B) || \
2702 		(rdev->ddev->pdev->device == 0x9506) || \
2703 		(rdev->ddev->pdev->device == 0x9509) || \
2704 		(rdev->ddev->pdev->device == 0x950F) || \
2705 		(rdev->ddev->pdev->device == 0x689C) || \
2706 		(rdev->ddev->pdev->device == 0x689D))
2707 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2708 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2709 			    (rdev->family == CHIP_RS690)  ||	\
2710 			    (rdev->family == CHIP_RS740)  ||	\
2711 			    (rdev->family >= CHIP_R600))
2712 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2713 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2714 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2715 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2716 			     (rdev->flags & RADEON_IS_IGP))
2717 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2718 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2719 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2720 			     (rdev->flags & RADEON_IS_IGP))
2721 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2722 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2723 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2724 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
2725 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
2726 #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
2727 			     (rdev->family == CHIP_MULLINS))
2728 
2729 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
2730 			      (rdev->ddev->pdev->device == 0x6850) || \
2731 			      (rdev->ddev->pdev->device == 0x6858) || \
2732 			      (rdev->ddev->pdev->device == 0x6859) || \
2733 			      (rdev->ddev->pdev->device == 0x6840) || \
2734 			      (rdev->ddev->pdev->device == 0x6841) || \
2735 			      (rdev->ddev->pdev->device == 0x6842) || \
2736 			      (rdev->ddev->pdev->device == 0x6843))
2737 
2738 /*
2739  * BIOS helpers.
2740  */
2741 #define RBIOS8(i) (rdev->bios[i])
2742 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2743 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2744 
2745 int radeon_combios_init(struct radeon_device *rdev);
2746 void radeon_combios_fini(struct radeon_device *rdev);
2747 int radeon_atombios_init(struct radeon_device *rdev);
2748 void radeon_atombios_fini(struct radeon_device *rdev);
2749 
2750 
2751 /*
2752  * RING helpers.
2753  */
2754 #if DRM_DEBUG_CODE == 0
2755 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2756 {
2757 	ring->ring[ring->wptr++] = v;
2758 	ring->wptr &= ring->ptr_mask;
2759 	ring->count_dw--;
2760 	ring->ring_free_dw--;
2761 }
2762 #else
2763 /* With debugging this is just too big to inline */
2764 void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
2765 #endif
2766 
2767 /*
2768  * ASICs macro.
2769  */
2770 #define radeon_init(rdev) (rdev)->asic->init((rdev))
2771 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2772 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2773 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2774 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2775 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2776 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
2777 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2778 #define radeon_gart_set_page(rdev, i, p, f) (rdev)->asic->gart.set_page((rdev), (i), (p), (f))
2779 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2780 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2781 #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
2782 #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)))
2783 #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)))
2784 #define radeon_asic_vm_pad_ib(rdev, ib) ((rdev)->asic->vm.pad_ib((ib)))
2785 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2786 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2787 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2788 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2789 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2790 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2791 #define radeon_ring_vm_flush(rdev, r, vm) (rdev)->asic->ring[(r)]->vm_flush((rdev), (r), (vm))
2792 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2793 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2794 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2795 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2796 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2797 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2798 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2799 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2800 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2801 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2802 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2803 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2804 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f))
2805 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (f))
2806 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (f))
2807 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2808 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2809 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2810 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2811 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2812 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2813 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2814 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2815 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2816 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2817 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2818 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2819 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2820 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2821 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2822 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2823 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2824 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2825 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2826 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2827 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2828 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2829 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2830 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2831 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2832 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2833 #define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base))
2834 #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
2835 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2836 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2837 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2838 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2839 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2840 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2841 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2842 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2843 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2844 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2845 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2846 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2847 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2848 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2849 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2850 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2851 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2852 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2853 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2854 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2855 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2856 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2857 
2858 /* Common functions */
2859 /* AGP */
2860 extern int radeon_gpu_reset(struct radeon_device *rdev);
2861 extern void radeon_pci_config_reset(struct radeon_device *rdev);
2862 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2863 extern void radeon_agp_disable(struct radeon_device *rdev);
2864 extern int radeon_modeset_init(struct radeon_device *rdev);
2865 extern void radeon_modeset_fini(struct radeon_device *rdev);
2866 extern bool radeon_card_posted(struct radeon_device *rdev);
2867 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2868 extern void radeon_update_display_priority(struct radeon_device *rdev);
2869 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2870 extern void radeon_scratch_init(struct radeon_device *rdev);
2871 extern void radeon_wb_fini(struct radeon_device *rdev);
2872 extern int radeon_wb_init(struct radeon_device *rdev);
2873 extern void radeon_wb_disable(struct radeon_device *rdev);
2874 extern void radeon_surface_init(struct radeon_device *rdev);
2875 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2876 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2877 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2878 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2879 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2880 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2881 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2882 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2883 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2884 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2885 extern void radeon_program_register_sequence(struct radeon_device *rdev,
2886 					     const u32 *registers,
2887 					     const u32 array_size);
2888 
2889 /*
2890  * vm
2891  */
2892 int radeon_vm_manager_init(struct radeon_device *rdev);
2893 void radeon_vm_manager_fini(struct radeon_device *rdev);
2894 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2895 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2896 struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
2897 					  struct radeon_vm *vm,
2898                                           struct list_head *head);
2899 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2900 				       struct radeon_vm *vm, int ring);
2901 void radeon_vm_flush(struct radeon_device *rdev,
2902                      struct radeon_vm *vm,
2903                      int ring);
2904 void radeon_vm_fence(struct radeon_device *rdev,
2905 		     struct radeon_vm *vm,
2906 		     struct radeon_fence *fence);
2907 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2908 int radeon_vm_update_page_directory(struct radeon_device *rdev,
2909 				    struct radeon_vm *vm);
2910 int radeon_vm_clear_freed(struct radeon_device *rdev,
2911 			  struct radeon_vm *vm);
2912 int radeon_vm_clear_invalids(struct radeon_device *rdev,
2913 			     struct radeon_vm *vm);
2914 int radeon_vm_bo_update(struct radeon_device *rdev,
2915 			struct radeon_bo_va *bo_va,
2916 			struct ttm_mem_reg *mem);
2917 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2918 			     struct radeon_bo *bo);
2919 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2920 				       struct radeon_bo *bo);
2921 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2922 				      struct radeon_vm *vm,
2923 				      struct radeon_bo *bo);
2924 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2925 			  struct radeon_bo_va *bo_va,
2926 			  uint64_t offset,
2927 			  uint32_t flags);
2928 void radeon_vm_bo_rmv(struct radeon_device *rdev,
2929 		      struct radeon_bo_va *bo_va);
2930 
2931 /* audio */
2932 void r600_audio_update_hdmi(struct work_struct *work);
2933 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2934 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2935 void r600_audio_enable(struct radeon_device *rdev,
2936 		       struct r600_audio_pin *pin,
2937 		       bool enable);
2938 void dce6_audio_enable(struct radeon_device *rdev,
2939 		       struct r600_audio_pin *pin,
2940 		       bool enable);
2941 
2942 /*
2943  * R600 vram scratch functions
2944  */
2945 int r600_vram_scratch_init(struct radeon_device *rdev);
2946 void r600_vram_scratch_fini(struct radeon_device *rdev);
2947 
2948 /*
2949  * r600 cs checking helper
2950  */
2951 unsigned r600_mip_minify(unsigned size, unsigned level);
2952 bool r600_fmt_is_valid_color(u32 format);
2953 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
2954 int r600_fmt_get_blocksize(u32 format);
2955 int r600_fmt_get_nblocksx(u32 format, u32 w);
2956 int r600_fmt_get_nblocksy(u32 format, u32 h);
2957 
2958 /*
2959  * r600 functions used by radeon_encoder.c
2960  */
2961 struct radeon_hdmi_acr {
2962 	u32 clock;
2963 
2964 	int n_32khz;
2965 	int cts_32khz;
2966 
2967 	int n_44_1khz;
2968 	int cts_44_1khz;
2969 
2970 	int n_48khz;
2971 	int cts_48khz;
2972 
2973 };
2974 
2975 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
2976 
2977 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
2978 				     u32 tiling_pipe_num,
2979 				     u32 max_rb_num,
2980 				     u32 total_max_rb_num,
2981 				     u32 enabled_rb_mask);
2982 
2983 /*
2984  * evergreen functions used by radeon_encoder.c
2985  */
2986 
2987 extern int ni_init_microcode(struct radeon_device *rdev);
2988 extern int ni_mc_load_microcode(struct radeon_device *rdev);
2989 
2990 /* radeon_acpi.c */
2991 #if defined(CONFIG_ACPI)
2992 extern int radeon_acpi_init(struct radeon_device *rdev);
2993 extern void radeon_acpi_fini(struct radeon_device *rdev);
2994 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
2995 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
2996 						u8 perf_req, bool advertise);
2997 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
2998 #else
2999 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
3000 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
3001 #endif
3002 
3003 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
3004 			   struct radeon_cs_packet *pkt,
3005 			   unsigned idx);
3006 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
3007 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
3008 			   struct radeon_cs_packet *pkt);
3009 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
3010 				struct radeon_cs_reloc **cs_reloc,
3011 				int nomm);
3012 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
3013 			       uint32_t *vline_start_end,
3014 			       uint32_t *vline_status);
3015 
3016 #include "radeon_object.h"
3017 
3018 #endif
3019