xref: /openbmc/linux/drivers/gpu/drm/radeon/radeon.h (revision 6774def6)
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 #include <linux/hashtable.h>
69 #include <linux/fence.h>
70 
71 #include <ttm/ttm_bo_api.h>
72 #include <ttm/ttm_bo_driver.h>
73 #include <ttm/ttm_placement.h>
74 #include <ttm/ttm_module.h>
75 #include <ttm/ttm_execbuf_util.h>
76 
77 #include <drm/drm_gem.h>
78 
79 #include "radeon_family.h"
80 #include "radeon_mode.h"
81 #include "radeon_reg.h"
82 
83 /*
84  * Modules parameters.
85  */
86 extern int radeon_no_wb;
87 extern int radeon_modeset;
88 extern int radeon_dynclks;
89 extern int radeon_r4xx_atom;
90 extern int radeon_agpmode;
91 extern int radeon_vram_limit;
92 extern int radeon_gart_size;
93 extern int radeon_benchmarking;
94 extern int radeon_testing;
95 extern int radeon_connector_table;
96 extern int radeon_tv;
97 extern int radeon_audio;
98 extern int radeon_disp_priority;
99 extern int radeon_hw_i2c;
100 extern int radeon_pcie_gen2;
101 extern int radeon_msi;
102 extern int radeon_lockup_timeout;
103 extern int radeon_fastfb;
104 extern int radeon_dpm;
105 extern int radeon_aspm;
106 extern int radeon_runtime_pm;
107 extern int radeon_hard_reset;
108 extern int radeon_vm_size;
109 extern int radeon_vm_block_size;
110 extern int radeon_deep_color;
111 extern int radeon_use_pflipirq;
112 extern int radeon_bapm;
113 extern int radeon_backlight;
114 
115 /*
116  * Copy from radeon_drv.h so we don't have to include both and have conflicting
117  * symbol;
118  */
119 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
120 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
121 /* RADEON_IB_POOL_SIZE must be a power of 2 */
122 #define RADEON_IB_POOL_SIZE			16
123 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
124 #define RADEONFB_CONN_LIMIT			4
125 #define RADEON_BIOS_NUM_SCRATCH			8
126 
127 /* internal ring indices */
128 /* r1xx+ has gfx CP ring */
129 #define RADEON_RING_TYPE_GFX_INDEX		0
130 
131 /* cayman has 2 compute CP rings */
132 #define CAYMAN_RING_TYPE_CP1_INDEX		1
133 #define CAYMAN_RING_TYPE_CP2_INDEX		2
134 
135 /* R600+ has an async dma ring */
136 #define R600_RING_TYPE_DMA_INDEX		3
137 /* cayman add a second async dma ring */
138 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
139 
140 /* R600+ */
141 #define R600_RING_TYPE_UVD_INDEX		5
142 
143 /* TN+ */
144 #define TN_RING_TYPE_VCE1_INDEX			6
145 #define TN_RING_TYPE_VCE2_INDEX			7
146 
147 /* max number of rings */
148 #define RADEON_NUM_RINGS			8
149 
150 /* number of hw syncs before falling back on blocking */
151 #define RADEON_NUM_SYNCS			4
152 
153 /* number of hw syncs before falling back on blocking */
154 #define RADEON_NUM_SYNCS			4
155 
156 /* hardcode those limit for now */
157 #define RADEON_VA_IB_OFFSET			(1 << 20)
158 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
159 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
160 
161 /* hard reset data */
162 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
163 
164 /* reset flags */
165 #define RADEON_RESET_GFX			(1 << 0)
166 #define RADEON_RESET_COMPUTE			(1 << 1)
167 #define RADEON_RESET_DMA			(1 << 2)
168 #define RADEON_RESET_CP				(1 << 3)
169 #define RADEON_RESET_GRBM			(1 << 4)
170 #define RADEON_RESET_DMA1			(1 << 5)
171 #define RADEON_RESET_RLC			(1 << 6)
172 #define RADEON_RESET_SEM			(1 << 7)
173 #define RADEON_RESET_IH				(1 << 8)
174 #define RADEON_RESET_VMC			(1 << 9)
175 #define RADEON_RESET_MC				(1 << 10)
176 #define RADEON_RESET_DISPLAY			(1 << 11)
177 
178 /* CG block flags */
179 #define RADEON_CG_BLOCK_GFX			(1 << 0)
180 #define RADEON_CG_BLOCK_MC			(1 << 1)
181 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
182 #define RADEON_CG_BLOCK_UVD			(1 << 3)
183 #define RADEON_CG_BLOCK_VCE			(1 << 4)
184 #define RADEON_CG_BLOCK_HDP			(1 << 5)
185 #define RADEON_CG_BLOCK_BIF			(1 << 6)
186 
187 /* CG flags */
188 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
189 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
190 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
191 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
192 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
193 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
194 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
195 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
196 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
197 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
198 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
199 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
200 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
201 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
202 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
203 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
204 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
205 
206 /* PG flags */
207 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
208 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
209 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
210 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
211 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
212 #define RADEON_PG_SUPPORT_CP			(1 << 5)
213 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
214 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
215 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
216 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
217 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
218 
219 /* max cursor sizes (in pixels) */
220 #define CURSOR_WIDTH 64
221 #define CURSOR_HEIGHT 64
222 
223 #define CIK_CURSOR_WIDTH 128
224 #define CIK_CURSOR_HEIGHT 128
225 
226 /*
227  * Errata workarounds.
228  */
229 enum radeon_pll_errata {
230 	CHIP_ERRATA_R300_CG             = 0x00000001,
231 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
232 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
233 };
234 
235 
236 struct radeon_device;
237 
238 
239 /*
240  * BIOS.
241  */
242 bool radeon_get_bios(struct radeon_device *rdev);
243 
244 /*
245  * Dummy page
246  */
247 struct radeon_dummy_page {
248 	struct page	*page;
249 	dma_addr_t	addr;
250 };
251 int radeon_dummy_page_init(struct radeon_device *rdev);
252 void radeon_dummy_page_fini(struct radeon_device *rdev);
253 
254 
255 /*
256  * Clocks
257  */
258 struct radeon_clock {
259 	struct radeon_pll p1pll;
260 	struct radeon_pll p2pll;
261 	struct radeon_pll dcpll;
262 	struct radeon_pll spll;
263 	struct radeon_pll mpll;
264 	/* 10 Khz units */
265 	uint32_t default_mclk;
266 	uint32_t default_sclk;
267 	uint32_t default_dispclk;
268 	uint32_t current_dispclk;
269 	uint32_t dp_extclk;
270 	uint32_t max_pixel_clock;
271 };
272 
273 /*
274  * Power management
275  */
276 int radeon_pm_init(struct radeon_device *rdev);
277 int radeon_pm_late_init(struct radeon_device *rdev);
278 void radeon_pm_fini(struct radeon_device *rdev);
279 void radeon_pm_compute_clocks(struct radeon_device *rdev);
280 void radeon_pm_suspend(struct radeon_device *rdev);
281 void radeon_pm_resume(struct radeon_device *rdev);
282 void radeon_combios_get_power_modes(struct radeon_device *rdev);
283 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
284 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
285 				   u8 clock_type,
286 				   u32 clock,
287 				   bool strobe_mode,
288 				   struct atom_clock_dividers *dividers);
289 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
290 					u32 clock,
291 					bool strobe_mode,
292 					struct atom_mpll_param *mpll_param);
293 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
294 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
295 					  u16 voltage_level, u8 voltage_type,
296 					  u32 *gpio_value, u32 *gpio_mask);
297 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
298 					 u32 eng_clock, u32 mem_clock);
299 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
300 				 u8 voltage_type, u16 *voltage_step);
301 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
302 			     u16 voltage_id, u16 *voltage);
303 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
304 						      u16 *voltage,
305 						      u16 leakage_idx);
306 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
307 					  u16 *leakage_id);
308 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
309 							 u16 *vddc, u16 *vddci,
310 							 u16 virtual_voltage_id,
311 							 u16 vbios_voltage_id);
312 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
313 				u16 virtual_voltage_id,
314 				u16 *voltage);
315 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
316 				      u8 voltage_type,
317 				      u16 nominal_voltage,
318 				      u16 *true_voltage);
319 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
320 				u8 voltage_type, u16 *min_voltage);
321 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
322 				u8 voltage_type, u16 *max_voltage);
323 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
324 				  u8 voltage_type, u8 voltage_mode,
325 				  struct atom_voltage_table *voltage_table);
326 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
327 				 u8 voltage_type, u8 voltage_mode);
328 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
329 			      u8 voltage_type,
330 			      u8 *svd_gpio_id, u8 *svc_gpio_id);
331 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
332 				   u32 mem_clock);
333 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
334 			       u32 mem_clock);
335 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
336 				  u8 module_index,
337 				  struct atom_mc_reg_table *reg_table);
338 int radeon_atom_get_memory_info(struct radeon_device *rdev,
339 				u8 module_index, struct atom_memory_info *mem_info);
340 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
341 				     bool gddr5, u8 module_index,
342 				     struct atom_memory_clock_range_table *mclk_range_table);
343 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
344 			     u16 voltage_id, u16 *voltage);
345 void rs690_pm_info(struct radeon_device *rdev);
346 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
347 				    unsigned *bankh, unsigned *mtaspect,
348 				    unsigned *tile_split);
349 
350 /*
351  * Fences.
352  */
353 struct radeon_fence_driver {
354 	struct radeon_device		*rdev;
355 	uint32_t			scratch_reg;
356 	uint64_t			gpu_addr;
357 	volatile uint32_t		*cpu_addr;
358 	/* sync_seq is protected by ring emission lock */
359 	uint64_t			sync_seq[RADEON_NUM_RINGS];
360 	atomic64_t			last_seq;
361 	bool				initialized, delayed_irq;
362 	struct delayed_work		lockup_work;
363 };
364 
365 struct radeon_fence {
366 	struct fence base;
367 
368 	struct radeon_device		*rdev;
369 	uint64_t			seq;
370 	/* RB, DMA, etc. */
371 	unsigned			ring;
372 
373 	wait_queue_t			fence_wake;
374 };
375 
376 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
377 int radeon_fence_driver_init(struct radeon_device *rdev);
378 void radeon_fence_driver_fini(struct radeon_device *rdev);
379 void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring);
380 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
381 void radeon_fence_process(struct radeon_device *rdev, int ring);
382 bool radeon_fence_signaled(struct radeon_fence *fence);
383 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
384 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
385 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
386 int radeon_fence_wait_any(struct radeon_device *rdev,
387 			  struct radeon_fence **fences,
388 			  bool intr);
389 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
390 void radeon_fence_unref(struct radeon_fence **fence);
391 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
392 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
393 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
394 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
395 						      struct radeon_fence *b)
396 {
397 	if (!a) {
398 		return b;
399 	}
400 
401 	if (!b) {
402 		return a;
403 	}
404 
405 	BUG_ON(a->ring != b->ring);
406 
407 	if (a->seq > b->seq) {
408 		return a;
409 	} else {
410 		return b;
411 	}
412 }
413 
414 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
415 					   struct radeon_fence *b)
416 {
417 	if (!a) {
418 		return false;
419 	}
420 
421 	if (!b) {
422 		return true;
423 	}
424 
425 	BUG_ON(a->ring != b->ring);
426 
427 	return a->seq < b->seq;
428 }
429 
430 /*
431  * Tiling registers
432  */
433 struct radeon_surface_reg {
434 	struct radeon_bo *bo;
435 };
436 
437 #define RADEON_GEM_MAX_SURFACES 8
438 
439 /*
440  * TTM.
441  */
442 struct radeon_mman {
443 	struct ttm_bo_global_ref        bo_global_ref;
444 	struct drm_global_reference	mem_global_ref;
445 	struct ttm_bo_device		bdev;
446 	bool				mem_global_referenced;
447 	bool				initialized;
448 
449 #if defined(CONFIG_DEBUG_FS)
450 	struct dentry			*vram;
451 	struct dentry			*gtt;
452 #endif
453 };
454 
455 /* bo virtual address in a specific vm */
456 struct radeon_bo_va {
457 	/* protected by bo being reserved */
458 	struct list_head		bo_list;
459 	uint32_t			flags;
460 	uint64_t			addr;
461 	unsigned			ref_count;
462 
463 	/* protected by vm mutex */
464 	struct interval_tree_node	it;
465 	struct list_head		vm_status;
466 
467 	/* constant after initialization */
468 	struct radeon_vm		*vm;
469 	struct radeon_bo		*bo;
470 };
471 
472 struct radeon_bo {
473 	/* Protected by gem.mutex */
474 	struct list_head		list;
475 	/* Protected by tbo.reserved */
476 	u32				initial_domain;
477 	struct ttm_place		placements[3];
478 	struct ttm_placement		placement;
479 	struct ttm_buffer_object	tbo;
480 	struct ttm_bo_kmap_obj		kmap;
481 	u32				flags;
482 	unsigned			pin_count;
483 	void				*kptr;
484 	u32				tiling_flags;
485 	u32				pitch;
486 	int				surface_reg;
487 	/* list of all virtual address to which this bo
488 	 * is associated to
489 	 */
490 	struct list_head		va;
491 	/* Constant after initialization */
492 	struct radeon_device		*rdev;
493 	struct drm_gem_object		gem_base;
494 
495 	struct ttm_bo_kmap_obj		dma_buf_vmap;
496 	pid_t				pid;
497 
498 	struct radeon_mn		*mn;
499 	struct interval_tree_node	mn_it;
500 };
501 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
502 
503 int radeon_gem_debugfs_init(struct radeon_device *rdev);
504 
505 /* sub-allocation manager, it has to be protected by another lock.
506  * By conception this is an helper for other part of the driver
507  * like the indirect buffer or semaphore, which both have their
508  * locking.
509  *
510  * Principe is simple, we keep a list of sub allocation in offset
511  * order (first entry has offset == 0, last entry has the highest
512  * offset).
513  *
514  * When allocating new object we first check if there is room at
515  * the end total_size - (last_object_offset + last_object_size) >=
516  * alloc_size. If so we allocate new object there.
517  *
518  * When there is not enough room at the end, we start waiting for
519  * each sub object until we reach object_offset+object_size >=
520  * alloc_size, this object then become the sub object we return.
521  *
522  * Alignment can't be bigger than page size.
523  *
524  * Hole are not considered for allocation to keep things simple.
525  * Assumption is that there won't be hole (all object on same
526  * alignment).
527  */
528 struct radeon_sa_manager {
529 	wait_queue_head_t	wq;
530 	struct radeon_bo	*bo;
531 	struct list_head	*hole;
532 	struct list_head	flist[RADEON_NUM_RINGS];
533 	struct list_head	olist;
534 	unsigned		size;
535 	uint64_t		gpu_addr;
536 	void			*cpu_ptr;
537 	uint32_t		domain;
538 	uint32_t		align;
539 };
540 
541 struct radeon_sa_bo;
542 
543 /* sub-allocation buffer */
544 struct radeon_sa_bo {
545 	struct list_head		olist;
546 	struct list_head		flist;
547 	struct radeon_sa_manager	*manager;
548 	unsigned			soffset;
549 	unsigned			eoffset;
550 	struct radeon_fence		*fence;
551 };
552 
553 /*
554  * GEM objects.
555  */
556 struct radeon_gem {
557 	struct mutex		mutex;
558 	struct list_head	objects;
559 };
560 
561 int radeon_gem_init(struct radeon_device *rdev);
562 void radeon_gem_fini(struct radeon_device *rdev);
563 int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
564 				int alignment, int initial_domain,
565 				u32 flags, bool kernel,
566 				struct drm_gem_object **obj);
567 
568 int radeon_mode_dumb_create(struct drm_file *file_priv,
569 			    struct drm_device *dev,
570 			    struct drm_mode_create_dumb *args);
571 int radeon_mode_dumb_mmap(struct drm_file *filp,
572 			  struct drm_device *dev,
573 			  uint32_t handle, uint64_t *offset_p);
574 
575 /*
576  * Semaphores.
577  */
578 struct radeon_semaphore {
579 	struct radeon_sa_bo		*sa_bo;
580 	signed				waiters;
581 	uint64_t			gpu_addr;
582 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
583 };
584 
585 int radeon_semaphore_create(struct radeon_device *rdev,
586 			    struct radeon_semaphore **semaphore);
587 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
588 				  struct radeon_semaphore *semaphore);
589 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
590 				struct radeon_semaphore *semaphore);
591 void radeon_semaphore_sync_fence(struct radeon_semaphore *semaphore,
592 				 struct radeon_fence *fence);
593 int radeon_semaphore_sync_resv(struct radeon_device *rdev,
594 			       struct radeon_semaphore *semaphore,
595 			       struct reservation_object *resv,
596 			       bool shared);
597 int radeon_semaphore_sync_rings(struct radeon_device *rdev,
598 				struct radeon_semaphore *semaphore,
599 				int waiting_ring);
600 void radeon_semaphore_free(struct radeon_device *rdev,
601 			   struct radeon_semaphore **semaphore,
602 			   struct radeon_fence *fence);
603 
604 /*
605  * GART structures, functions & helpers
606  */
607 struct radeon_mc;
608 
609 #define RADEON_GPU_PAGE_SIZE 4096
610 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
611 #define RADEON_GPU_PAGE_SHIFT 12
612 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
613 
614 #define RADEON_GART_PAGE_DUMMY  0
615 #define RADEON_GART_PAGE_VALID	(1 << 0)
616 #define RADEON_GART_PAGE_READ	(1 << 1)
617 #define RADEON_GART_PAGE_WRITE	(1 << 2)
618 #define RADEON_GART_PAGE_SNOOP	(1 << 3)
619 
620 struct radeon_gart {
621 	dma_addr_t			table_addr;
622 	struct radeon_bo		*robj;
623 	void				*ptr;
624 	unsigned			num_gpu_pages;
625 	unsigned			num_cpu_pages;
626 	unsigned			table_size;
627 	struct page			**pages;
628 	dma_addr_t			*pages_addr;
629 	bool				ready;
630 };
631 
632 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
633 void radeon_gart_table_ram_free(struct radeon_device *rdev);
634 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
635 void radeon_gart_table_vram_free(struct radeon_device *rdev);
636 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
637 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
638 int radeon_gart_init(struct radeon_device *rdev);
639 void radeon_gart_fini(struct radeon_device *rdev);
640 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
641 			int pages);
642 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
643 		     int pages, struct page **pagelist,
644 		     dma_addr_t *dma_addr, uint32_t flags);
645 
646 
647 /*
648  * GPU MC structures, functions & helpers
649  */
650 struct radeon_mc {
651 	resource_size_t		aper_size;
652 	resource_size_t		aper_base;
653 	resource_size_t		agp_base;
654 	/* for some chips with <= 32MB we need to lie
655 	 * about vram size near mc fb location */
656 	u64			mc_vram_size;
657 	u64			visible_vram_size;
658 	u64			gtt_size;
659 	u64			gtt_start;
660 	u64			gtt_end;
661 	u64			vram_start;
662 	u64			vram_end;
663 	unsigned		vram_width;
664 	u64			real_vram_size;
665 	int			vram_mtrr;
666 	bool			vram_is_ddr;
667 	bool			igp_sideport_enabled;
668 	u64                     gtt_base_align;
669 	u64                     mc_mask;
670 };
671 
672 bool radeon_combios_sideport_present(struct radeon_device *rdev);
673 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
674 
675 /*
676  * GPU scratch registers structures, functions & helpers
677  */
678 struct radeon_scratch {
679 	unsigned		num_reg;
680 	uint32_t                reg_base;
681 	bool			free[32];
682 	uint32_t		reg[32];
683 };
684 
685 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
686 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
687 
688 /*
689  * GPU doorbell structures, functions & helpers
690  */
691 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
692 
693 struct radeon_doorbell {
694 	/* doorbell mmio */
695 	resource_size_t		base;
696 	resource_size_t		size;
697 	u32 __iomem		*ptr;
698 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
699 	unsigned long		used[DIV_ROUND_UP(RADEON_MAX_DOORBELLS, BITS_PER_LONG)];
700 };
701 
702 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
703 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
704 
705 /*
706  * IRQS.
707  */
708 
709 struct radeon_flip_work {
710 	struct work_struct		flip_work;
711 	struct work_struct		unpin_work;
712 	struct radeon_device		*rdev;
713 	int				crtc_id;
714 	uint64_t			base;
715 	struct drm_pending_vblank_event *event;
716 	struct radeon_bo		*old_rbo;
717 	struct fence			*fence;
718 };
719 
720 struct r500_irq_stat_regs {
721 	u32 disp_int;
722 	u32 hdmi0_status;
723 };
724 
725 struct r600_irq_stat_regs {
726 	u32 disp_int;
727 	u32 disp_int_cont;
728 	u32 disp_int_cont2;
729 	u32 d1grph_int;
730 	u32 d2grph_int;
731 	u32 hdmi0_status;
732 	u32 hdmi1_status;
733 };
734 
735 struct evergreen_irq_stat_regs {
736 	u32 disp_int;
737 	u32 disp_int_cont;
738 	u32 disp_int_cont2;
739 	u32 disp_int_cont3;
740 	u32 disp_int_cont4;
741 	u32 disp_int_cont5;
742 	u32 d1grph_int;
743 	u32 d2grph_int;
744 	u32 d3grph_int;
745 	u32 d4grph_int;
746 	u32 d5grph_int;
747 	u32 d6grph_int;
748 	u32 afmt_status1;
749 	u32 afmt_status2;
750 	u32 afmt_status3;
751 	u32 afmt_status4;
752 	u32 afmt_status5;
753 	u32 afmt_status6;
754 };
755 
756 struct cik_irq_stat_regs {
757 	u32 disp_int;
758 	u32 disp_int_cont;
759 	u32 disp_int_cont2;
760 	u32 disp_int_cont3;
761 	u32 disp_int_cont4;
762 	u32 disp_int_cont5;
763 	u32 disp_int_cont6;
764 	u32 d1grph_int;
765 	u32 d2grph_int;
766 	u32 d3grph_int;
767 	u32 d4grph_int;
768 	u32 d5grph_int;
769 	u32 d6grph_int;
770 };
771 
772 union radeon_irq_stat_regs {
773 	struct r500_irq_stat_regs r500;
774 	struct r600_irq_stat_regs r600;
775 	struct evergreen_irq_stat_regs evergreen;
776 	struct cik_irq_stat_regs cik;
777 };
778 
779 struct radeon_irq {
780 	bool				installed;
781 	spinlock_t			lock;
782 	atomic_t			ring_int[RADEON_NUM_RINGS];
783 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
784 	atomic_t			pflip[RADEON_MAX_CRTCS];
785 	wait_queue_head_t		vblank_queue;
786 	bool				hpd[RADEON_MAX_HPD_PINS];
787 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
788 	union radeon_irq_stat_regs	stat_regs;
789 	bool				dpm_thermal;
790 };
791 
792 int radeon_irq_kms_init(struct radeon_device *rdev);
793 void radeon_irq_kms_fini(struct radeon_device *rdev);
794 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
795 bool radeon_irq_kms_sw_irq_get_delayed(struct radeon_device *rdev, int ring);
796 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
797 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
798 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
799 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
800 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
801 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
802 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
803 
804 /*
805  * CP & rings.
806  */
807 
808 struct radeon_ib {
809 	struct radeon_sa_bo		*sa_bo;
810 	uint32_t			length_dw;
811 	uint64_t			gpu_addr;
812 	uint32_t			*ptr;
813 	int				ring;
814 	struct radeon_fence		*fence;
815 	struct radeon_vm		*vm;
816 	bool				is_const_ib;
817 	struct radeon_semaphore		*semaphore;
818 };
819 
820 struct radeon_ring {
821 	struct radeon_bo	*ring_obj;
822 	volatile uint32_t	*ring;
823 	unsigned		rptr_offs;
824 	unsigned		rptr_save_reg;
825 	u64			next_rptr_gpu_addr;
826 	volatile u32		*next_rptr_cpu_addr;
827 	unsigned		wptr;
828 	unsigned		wptr_old;
829 	unsigned		ring_size;
830 	unsigned		ring_free_dw;
831 	int			count_dw;
832 	atomic_t		last_rptr;
833 	atomic64_t		last_activity;
834 	uint64_t		gpu_addr;
835 	uint32_t		align_mask;
836 	uint32_t		ptr_mask;
837 	bool			ready;
838 	u32			nop;
839 	u32			idx;
840 	u64			last_semaphore_signal_addr;
841 	u64			last_semaphore_wait_addr;
842 	/* for CIK queues */
843 	u32 me;
844 	u32 pipe;
845 	u32 queue;
846 	struct radeon_bo	*mqd_obj;
847 	u32 doorbell_index;
848 	unsigned		wptr_offs;
849 };
850 
851 struct radeon_mec {
852 	struct radeon_bo	*hpd_eop_obj;
853 	u64			hpd_eop_gpu_addr;
854 	u32 num_pipe;
855 	u32 num_mec;
856 	u32 num_queue;
857 };
858 
859 /*
860  * VM
861  */
862 
863 /* maximum number of VMIDs */
864 #define RADEON_NUM_VM	16
865 
866 /* number of entries in page table */
867 #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
868 
869 /* PTBs (Page Table Blocks) need to be aligned to 32K */
870 #define RADEON_VM_PTB_ALIGN_SIZE   32768
871 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
872 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
873 
874 #define R600_PTE_VALID		(1 << 0)
875 #define R600_PTE_SYSTEM		(1 << 1)
876 #define R600_PTE_SNOOPED	(1 << 2)
877 #define R600_PTE_READABLE	(1 << 5)
878 #define R600_PTE_WRITEABLE	(1 << 6)
879 
880 /* PTE (Page Table Entry) fragment field for different page sizes */
881 #define R600_PTE_FRAG_4KB	(0 << 7)
882 #define R600_PTE_FRAG_64KB	(4 << 7)
883 #define R600_PTE_FRAG_256KB	(6 << 7)
884 
885 /* flags needed to be set so we can copy directly from the GART table */
886 #define R600_PTE_GART_MASK	( R600_PTE_READABLE | R600_PTE_WRITEABLE | \
887 				  R600_PTE_SYSTEM | R600_PTE_VALID )
888 
889 struct radeon_vm_pt {
890 	struct radeon_bo		*bo;
891 	uint64_t			addr;
892 };
893 
894 struct radeon_vm {
895 	struct rb_root			va;
896 	unsigned			id;
897 
898 	/* BOs moved, but not yet updated in the PT */
899 	struct list_head		invalidated;
900 
901 	/* BOs freed, but not yet updated in the PT */
902 	struct list_head		freed;
903 
904 	/* contains the page directory */
905 	struct radeon_bo		*page_directory;
906 	uint64_t			pd_gpu_addr;
907 	unsigned			max_pde_used;
908 
909 	/* array of page tables, one for each page directory entry */
910 	struct radeon_vm_pt		*page_tables;
911 
912 	struct radeon_bo_va		*ib_bo_va;
913 
914 	struct mutex			mutex;
915 	/* last fence for cs using this vm */
916 	struct radeon_fence		*fence;
917 	/* last flush or NULL if we still need to flush */
918 	struct radeon_fence		*last_flush;
919 	/* last use of vmid */
920 	struct radeon_fence		*last_id_use;
921 };
922 
923 struct radeon_vm_manager {
924 	struct radeon_fence		*active[RADEON_NUM_VM];
925 	uint32_t			max_pfn;
926 	/* number of VMIDs */
927 	unsigned			nvm;
928 	/* vram base address for page table entry  */
929 	u64				vram_base_offset;
930 	/* is vm enabled? */
931 	bool				enabled;
932 	/* for hw to save the PD addr on suspend/resume */
933 	uint32_t			saved_table_addr[RADEON_NUM_VM];
934 };
935 
936 /*
937  * file private structure
938  */
939 struct radeon_fpriv {
940 	struct radeon_vm		vm;
941 };
942 
943 /*
944  * R6xx+ IH ring
945  */
946 struct r600_ih {
947 	struct radeon_bo	*ring_obj;
948 	volatile uint32_t	*ring;
949 	unsigned		rptr;
950 	unsigned		ring_size;
951 	uint64_t		gpu_addr;
952 	uint32_t		ptr_mask;
953 	atomic_t		lock;
954 	bool                    enabled;
955 };
956 
957 /*
958  * RLC stuff
959  */
960 #include "clearstate_defs.h"
961 
962 struct radeon_rlc {
963 	/* for power gating */
964 	struct radeon_bo	*save_restore_obj;
965 	uint64_t		save_restore_gpu_addr;
966 	volatile uint32_t	*sr_ptr;
967 	const u32               *reg_list;
968 	u32                     reg_list_size;
969 	/* for clear state */
970 	struct radeon_bo	*clear_state_obj;
971 	uint64_t		clear_state_gpu_addr;
972 	volatile uint32_t	*cs_ptr;
973 	const struct cs_section_def   *cs_data;
974 	u32                     clear_state_size;
975 	/* for cp tables */
976 	struct radeon_bo	*cp_table_obj;
977 	uint64_t		cp_table_gpu_addr;
978 	volatile uint32_t	*cp_table_ptr;
979 	u32                     cp_table_size;
980 };
981 
982 int radeon_ib_get(struct radeon_device *rdev, int ring,
983 		  struct radeon_ib *ib, struct radeon_vm *vm,
984 		  unsigned size);
985 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
986 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
987 		       struct radeon_ib *const_ib, bool hdp_flush);
988 int radeon_ib_pool_init(struct radeon_device *rdev);
989 void radeon_ib_pool_fini(struct radeon_device *rdev);
990 int radeon_ib_ring_tests(struct radeon_device *rdev);
991 /* Ring access between begin & end cannot sleep */
992 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
993 				      struct radeon_ring *ring);
994 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
995 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
996 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
997 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
998 			bool hdp_flush);
999 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
1000 			       bool hdp_flush);
1001 void radeon_ring_undo(struct radeon_ring *ring);
1002 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
1003 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
1004 void radeon_ring_lockup_update(struct radeon_device *rdev,
1005 			       struct radeon_ring *ring);
1006 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
1007 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
1008 			    uint32_t **data);
1009 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
1010 			unsigned size, uint32_t *data);
1011 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
1012 		     unsigned rptr_offs, u32 nop);
1013 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
1014 
1015 
1016 /* r600 async dma */
1017 void r600_dma_stop(struct radeon_device *rdev);
1018 int r600_dma_resume(struct radeon_device *rdev);
1019 void r600_dma_fini(struct radeon_device *rdev);
1020 
1021 void cayman_dma_stop(struct radeon_device *rdev);
1022 int cayman_dma_resume(struct radeon_device *rdev);
1023 void cayman_dma_fini(struct radeon_device *rdev);
1024 
1025 /*
1026  * CS.
1027  */
1028 struct radeon_cs_reloc {
1029 	struct drm_gem_object		*gobj;
1030 	struct radeon_bo		*robj;
1031 	struct ttm_validate_buffer	tv;
1032 	uint64_t			gpu_offset;
1033 	unsigned			prefered_domains;
1034 	unsigned			allowed_domains;
1035 	uint32_t			tiling_flags;
1036 	uint32_t			handle;
1037 };
1038 
1039 struct radeon_cs_chunk {
1040 	uint32_t		chunk_id;
1041 	uint32_t		length_dw;
1042 	uint32_t		*kdata;
1043 	void __user		*user_ptr;
1044 };
1045 
1046 struct radeon_cs_parser {
1047 	struct device		*dev;
1048 	struct radeon_device	*rdev;
1049 	struct drm_file		*filp;
1050 	/* chunks */
1051 	unsigned		nchunks;
1052 	struct radeon_cs_chunk	*chunks;
1053 	uint64_t		*chunks_array;
1054 	/* IB */
1055 	unsigned		idx;
1056 	/* relocations */
1057 	unsigned		nrelocs;
1058 	struct radeon_cs_reloc	*relocs;
1059 	struct radeon_cs_reloc	**relocs_ptr;
1060 	struct radeon_cs_reloc	*vm_bos;
1061 	struct list_head	validated;
1062 	unsigned		dma_reloc_idx;
1063 	/* indices of various chunks */
1064 	int			chunk_ib_idx;
1065 	int			chunk_relocs_idx;
1066 	int			chunk_flags_idx;
1067 	int			chunk_const_ib_idx;
1068 	struct radeon_ib	ib;
1069 	struct radeon_ib	const_ib;
1070 	void			*track;
1071 	unsigned		family;
1072 	int			parser_error;
1073 	u32			cs_flags;
1074 	u32			ring;
1075 	s32			priority;
1076 	struct ww_acquire_ctx	ticket;
1077 };
1078 
1079 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1080 {
1081 	struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
1082 
1083 	if (ibc->kdata)
1084 		return ibc->kdata[idx];
1085 	return p->ib.ptr[idx];
1086 }
1087 
1088 
1089 struct radeon_cs_packet {
1090 	unsigned	idx;
1091 	unsigned	type;
1092 	unsigned	reg;
1093 	unsigned	opcode;
1094 	int		count;
1095 	unsigned	one_reg_wr;
1096 };
1097 
1098 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1099 				      struct radeon_cs_packet *pkt,
1100 				      unsigned idx, unsigned reg);
1101 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
1102 				      struct radeon_cs_packet *pkt);
1103 
1104 
1105 /*
1106  * AGP
1107  */
1108 int radeon_agp_init(struct radeon_device *rdev);
1109 void radeon_agp_resume(struct radeon_device *rdev);
1110 void radeon_agp_suspend(struct radeon_device *rdev);
1111 void radeon_agp_fini(struct radeon_device *rdev);
1112 
1113 
1114 /*
1115  * Writeback
1116  */
1117 struct radeon_wb {
1118 	struct radeon_bo	*wb_obj;
1119 	volatile uint32_t	*wb;
1120 	uint64_t		gpu_addr;
1121 	bool                    enabled;
1122 	bool                    use_event;
1123 };
1124 
1125 #define RADEON_WB_SCRATCH_OFFSET 0
1126 #define RADEON_WB_RING0_NEXT_RPTR 256
1127 #define RADEON_WB_CP_RPTR_OFFSET 1024
1128 #define RADEON_WB_CP1_RPTR_OFFSET 1280
1129 #define RADEON_WB_CP2_RPTR_OFFSET 1536
1130 #define R600_WB_DMA_RPTR_OFFSET   1792
1131 #define R600_WB_IH_WPTR_OFFSET   2048
1132 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1133 #define R600_WB_EVENT_OFFSET     3072
1134 #define CIK_WB_CP1_WPTR_OFFSET     3328
1135 #define CIK_WB_CP2_WPTR_OFFSET     3584
1136 #define R600_WB_DMA_RING_TEST_OFFSET 3588
1137 #define CAYMAN_WB_DMA1_RING_TEST_OFFSET 3592
1138 
1139 /**
1140  * struct radeon_pm - power management datas
1141  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1142  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1143  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1144  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1145  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1146  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1147  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1148  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1149  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1150  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1151  * @needed_bandwidth:   current bandwidth needs
1152  *
1153  * It keeps track of various data needed to take powermanagement decision.
1154  * Bandwidth need is used to determine minimun clock of the GPU and memory.
1155  * Equation between gpu/memory clock and available bandwidth is hw dependent
1156  * (type of memory, bus size, efficiency, ...)
1157  */
1158 
1159 enum radeon_pm_method {
1160 	PM_METHOD_PROFILE,
1161 	PM_METHOD_DYNPM,
1162 	PM_METHOD_DPM,
1163 };
1164 
1165 enum radeon_dynpm_state {
1166 	DYNPM_STATE_DISABLED,
1167 	DYNPM_STATE_MINIMUM,
1168 	DYNPM_STATE_PAUSED,
1169 	DYNPM_STATE_ACTIVE,
1170 	DYNPM_STATE_SUSPENDED,
1171 };
1172 enum radeon_dynpm_action {
1173 	DYNPM_ACTION_NONE,
1174 	DYNPM_ACTION_MINIMUM,
1175 	DYNPM_ACTION_DOWNCLOCK,
1176 	DYNPM_ACTION_UPCLOCK,
1177 	DYNPM_ACTION_DEFAULT
1178 };
1179 
1180 enum radeon_voltage_type {
1181 	VOLTAGE_NONE = 0,
1182 	VOLTAGE_GPIO,
1183 	VOLTAGE_VDDC,
1184 	VOLTAGE_SW
1185 };
1186 
1187 enum radeon_pm_state_type {
1188 	/* not used for dpm */
1189 	POWER_STATE_TYPE_DEFAULT,
1190 	POWER_STATE_TYPE_POWERSAVE,
1191 	/* user selectable states */
1192 	POWER_STATE_TYPE_BATTERY,
1193 	POWER_STATE_TYPE_BALANCED,
1194 	POWER_STATE_TYPE_PERFORMANCE,
1195 	/* internal states */
1196 	POWER_STATE_TYPE_INTERNAL_UVD,
1197 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1198 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1199 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1200 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1201 	POWER_STATE_TYPE_INTERNAL_BOOT,
1202 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1203 	POWER_STATE_TYPE_INTERNAL_ACPI,
1204 	POWER_STATE_TYPE_INTERNAL_ULV,
1205 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1206 };
1207 
1208 enum radeon_pm_profile_type {
1209 	PM_PROFILE_DEFAULT,
1210 	PM_PROFILE_AUTO,
1211 	PM_PROFILE_LOW,
1212 	PM_PROFILE_MID,
1213 	PM_PROFILE_HIGH,
1214 };
1215 
1216 #define PM_PROFILE_DEFAULT_IDX 0
1217 #define PM_PROFILE_LOW_SH_IDX  1
1218 #define PM_PROFILE_MID_SH_IDX  2
1219 #define PM_PROFILE_HIGH_SH_IDX 3
1220 #define PM_PROFILE_LOW_MH_IDX  4
1221 #define PM_PROFILE_MID_MH_IDX  5
1222 #define PM_PROFILE_HIGH_MH_IDX 6
1223 #define PM_PROFILE_MAX         7
1224 
1225 struct radeon_pm_profile {
1226 	int dpms_off_ps_idx;
1227 	int dpms_on_ps_idx;
1228 	int dpms_off_cm_idx;
1229 	int dpms_on_cm_idx;
1230 };
1231 
1232 enum radeon_int_thermal_type {
1233 	THERMAL_TYPE_NONE,
1234 	THERMAL_TYPE_EXTERNAL,
1235 	THERMAL_TYPE_EXTERNAL_GPIO,
1236 	THERMAL_TYPE_RV6XX,
1237 	THERMAL_TYPE_RV770,
1238 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1239 	THERMAL_TYPE_EVERGREEN,
1240 	THERMAL_TYPE_SUMO,
1241 	THERMAL_TYPE_NI,
1242 	THERMAL_TYPE_SI,
1243 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1244 	THERMAL_TYPE_CI,
1245 	THERMAL_TYPE_KV,
1246 };
1247 
1248 struct radeon_voltage {
1249 	enum radeon_voltage_type type;
1250 	/* gpio voltage */
1251 	struct radeon_gpio_rec gpio;
1252 	u32 delay; /* delay in usec from voltage drop to sclk change */
1253 	bool active_high; /* voltage drop is active when bit is high */
1254 	/* VDDC voltage */
1255 	u8 vddc_id; /* index into vddc voltage table */
1256 	u8 vddci_id; /* index into vddci voltage table */
1257 	bool vddci_enabled;
1258 	/* r6xx+ sw */
1259 	u16 voltage;
1260 	/* evergreen+ vddci */
1261 	u16 vddci;
1262 };
1263 
1264 /* clock mode flags */
1265 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1266 
1267 struct radeon_pm_clock_info {
1268 	/* memory clock */
1269 	u32 mclk;
1270 	/* engine clock */
1271 	u32 sclk;
1272 	/* voltage info */
1273 	struct radeon_voltage voltage;
1274 	/* standardized clock flags */
1275 	u32 flags;
1276 };
1277 
1278 /* state flags */
1279 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1280 
1281 struct radeon_power_state {
1282 	enum radeon_pm_state_type type;
1283 	struct radeon_pm_clock_info *clock_info;
1284 	/* number of valid clock modes in this power state */
1285 	int num_clock_modes;
1286 	struct radeon_pm_clock_info *default_clock_mode;
1287 	/* standardized state flags */
1288 	u32 flags;
1289 	u32 misc; /* vbios specific flags */
1290 	u32 misc2; /* vbios specific flags */
1291 	int pcie_lanes; /* pcie lanes */
1292 };
1293 
1294 /*
1295  * Some modes are overclocked by very low value, accept them
1296  */
1297 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1298 
1299 enum radeon_dpm_auto_throttle_src {
1300 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1301 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1302 };
1303 
1304 enum radeon_dpm_event_src {
1305 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1306 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1307 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1308 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1309 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1310 };
1311 
1312 #define RADEON_MAX_VCE_LEVELS 6
1313 
1314 enum radeon_vce_level {
1315 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1316 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1317 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1318 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1319 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1320 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1321 };
1322 
1323 struct radeon_ps {
1324 	u32 caps; /* vbios flags */
1325 	u32 class; /* vbios flags */
1326 	u32 class2; /* vbios flags */
1327 	/* UVD clocks */
1328 	u32 vclk;
1329 	u32 dclk;
1330 	/* VCE clocks */
1331 	u32 evclk;
1332 	u32 ecclk;
1333 	bool vce_active;
1334 	enum radeon_vce_level vce_level;
1335 	/* asic priv */
1336 	void *ps_priv;
1337 };
1338 
1339 struct radeon_dpm_thermal {
1340 	/* thermal interrupt work */
1341 	struct work_struct work;
1342 	/* low temperature threshold */
1343 	int                min_temp;
1344 	/* high temperature threshold */
1345 	int                max_temp;
1346 	/* was interrupt low to high or high to low */
1347 	bool               high_to_low;
1348 };
1349 
1350 enum radeon_clk_action
1351 {
1352 	RADEON_SCLK_UP = 1,
1353 	RADEON_SCLK_DOWN
1354 };
1355 
1356 struct radeon_blacklist_clocks
1357 {
1358 	u32 sclk;
1359 	u32 mclk;
1360 	enum radeon_clk_action action;
1361 };
1362 
1363 struct radeon_clock_and_voltage_limits {
1364 	u32 sclk;
1365 	u32 mclk;
1366 	u16 vddc;
1367 	u16 vddci;
1368 };
1369 
1370 struct radeon_clock_array {
1371 	u32 count;
1372 	u32 *values;
1373 };
1374 
1375 struct radeon_clock_voltage_dependency_entry {
1376 	u32 clk;
1377 	u16 v;
1378 };
1379 
1380 struct radeon_clock_voltage_dependency_table {
1381 	u32 count;
1382 	struct radeon_clock_voltage_dependency_entry *entries;
1383 };
1384 
1385 union radeon_cac_leakage_entry {
1386 	struct {
1387 		u16 vddc;
1388 		u32 leakage;
1389 	};
1390 	struct {
1391 		u16 vddc1;
1392 		u16 vddc2;
1393 		u16 vddc3;
1394 	};
1395 };
1396 
1397 struct radeon_cac_leakage_table {
1398 	u32 count;
1399 	union radeon_cac_leakage_entry *entries;
1400 };
1401 
1402 struct radeon_phase_shedding_limits_entry {
1403 	u16 voltage;
1404 	u32 sclk;
1405 	u32 mclk;
1406 };
1407 
1408 struct radeon_phase_shedding_limits_table {
1409 	u32 count;
1410 	struct radeon_phase_shedding_limits_entry *entries;
1411 };
1412 
1413 struct radeon_uvd_clock_voltage_dependency_entry {
1414 	u32 vclk;
1415 	u32 dclk;
1416 	u16 v;
1417 };
1418 
1419 struct radeon_uvd_clock_voltage_dependency_table {
1420 	u8 count;
1421 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1422 };
1423 
1424 struct radeon_vce_clock_voltage_dependency_entry {
1425 	u32 ecclk;
1426 	u32 evclk;
1427 	u16 v;
1428 };
1429 
1430 struct radeon_vce_clock_voltage_dependency_table {
1431 	u8 count;
1432 	struct radeon_vce_clock_voltage_dependency_entry *entries;
1433 };
1434 
1435 struct radeon_ppm_table {
1436 	u8 ppm_design;
1437 	u16 cpu_core_number;
1438 	u32 platform_tdp;
1439 	u32 small_ac_platform_tdp;
1440 	u32 platform_tdc;
1441 	u32 small_ac_platform_tdc;
1442 	u32 apu_tdp;
1443 	u32 dgpu_tdp;
1444 	u32 dgpu_ulv_power;
1445 	u32 tj_max;
1446 };
1447 
1448 struct radeon_cac_tdp_table {
1449 	u16 tdp;
1450 	u16 configurable_tdp;
1451 	u16 tdc;
1452 	u16 battery_power_limit;
1453 	u16 small_power_limit;
1454 	u16 low_cac_leakage;
1455 	u16 high_cac_leakage;
1456 	u16 maximum_power_delivery_limit;
1457 };
1458 
1459 struct radeon_dpm_dynamic_state {
1460 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1461 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1462 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1463 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1464 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1465 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1466 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1467 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1468 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1469 	struct radeon_clock_array valid_sclk_values;
1470 	struct radeon_clock_array valid_mclk_values;
1471 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1472 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1473 	u32 mclk_sclk_ratio;
1474 	u32 sclk_mclk_delta;
1475 	u16 vddc_vddci_delta;
1476 	u16 min_vddc_for_pcie_gen2;
1477 	struct radeon_cac_leakage_table cac_leakage_table;
1478 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1479 	struct radeon_ppm_table *ppm_table;
1480 	struct radeon_cac_tdp_table *cac_tdp_table;
1481 };
1482 
1483 struct radeon_dpm_fan {
1484 	u16 t_min;
1485 	u16 t_med;
1486 	u16 t_high;
1487 	u16 pwm_min;
1488 	u16 pwm_med;
1489 	u16 pwm_high;
1490 	u8 t_hyst;
1491 	u32 cycle_delay;
1492 	u16 t_max;
1493 	bool ucode_fan_control;
1494 };
1495 
1496 enum radeon_pcie_gen {
1497 	RADEON_PCIE_GEN1 = 0,
1498 	RADEON_PCIE_GEN2 = 1,
1499 	RADEON_PCIE_GEN3 = 2,
1500 	RADEON_PCIE_GEN_INVALID = 0xffff
1501 };
1502 
1503 enum radeon_dpm_forced_level {
1504 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1505 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1506 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1507 };
1508 
1509 struct radeon_vce_state {
1510 	/* vce clocks */
1511 	u32 evclk;
1512 	u32 ecclk;
1513 	/* gpu clocks */
1514 	u32 sclk;
1515 	u32 mclk;
1516 	u8 clk_idx;
1517 	u8 pstate;
1518 };
1519 
1520 struct radeon_dpm {
1521 	struct radeon_ps        *ps;
1522 	/* number of valid power states */
1523 	int                     num_ps;
1524 	/* current power state that is active */
1525 	struct radeon_ps        *current_ps;
1526 	/* requested power state */
1527 	struct radeon_ps        *requested_ps;
1528 	/* boot up power state */
1529 	struct radeon_ps        *boot_ps;
1530 	/* default uvd power state */
1531 	struct radeon_ps        *uvd_ps;
1532 	/* vce requirements */
1533 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1534 	enum radeon_vce_level vce_level;
1535 	enum radeon_pm_state_type state;
1536 	enum radeon_pm_state_type user_state;
1537 	u32                     platform_caps;
1538 	u32                     voltage_response_time;
1539 	u32                     backbias_response_time;
1540 	void                    *priv;
1541 	u32			new_active_crtcs;
1542 	int			new_active_crtc_count;
1543 	u32			current_active_crtcs;
1544 	int			current_active_crtc_count;
1545 	struct radeon_dpm_dynamic_state dyn_state;
1546 	struct radeon_dpm_fan fan;
1547 	u32 tdp_limit;
1548 	u32 near_tdp_limit;
1549 	u32 near_tdp_limit_adjusted;
1550 	u32 sq_ramping_threshold;
1551 	u32 cac_leakage;
1552 	u16 tdp_od_limit;
1553 	u32 tdp_adjustment;
1554 	u16 load_line_slope;
1555 	bool power_control;
1556 	bool ac_power;
1557 	/* special states active */
1558 	bool                    thermal_active;
1559 	bool                    uvd_active;
1560 	bool                    vce_active;
1561 	/* thermal handling */
1562 	struct radeon_dpm_thermal thermal;
1563 	/* forced levels */
1564 	enum radeon_dpm_forced_level forced_level;
1565 	/* track UVD streams */
1566 	unsigned sd;
1567 	unsigned hd;
1568 };
1569 
1570 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1571 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1572 
1573 struct radeon_pm {
1574 	struct mutex		mutex;
1575 	/* write locked while reprogramming mclk */
1576 	struct rw_semaphore	mclk_lock;
1577 	u32			active_crtcs;
1578 	int			active_crtc_count;
1579 	int			req_vblank;
1580 	bool			vblank_sync;
1581 	fixed20_12		max_bandwidth;
1582 	fixed20_12		igp_sideport_mclk;
1583 	fixed20_12		igp_system_mclk;
1584 	fixed20_12		igp_ht_link_clk;
1585 	fixed20_12		igp_ht_link_width;
1586 	fixed20_12		k8_bandwidth;
1587 	fixed20_12		sideport_bandwidth;
1588 	fixed20_12		ht_bandwidth;
1589 	fixed20_12		core_bandwidth;
1590 	fixed20_12		sclk;
1591 	fixed20_12		mclk;
1592 	fixed20_12		needed_bandwidth;
1593 	struct radeon_power_state *power_state;
1594 	/* number of valid power states */
1595 	int                     num_power_states;
1596 	int                     current_power_state_index;
1597 	int                     current_clock_mode_index;
1598 	int                     requested_power_state_index;
1599 	int                     requested_clock_mode_index;
1600 	int                     default_power_state_index;
1601 	u32                     current_sclk;
1602 	u32                     current_mclk;
1603 	u16                     current_vddc;
1604 	u16                     current_vddci;
1605 	u32                     default_sclk;
1606 	u32                     default_mclk;
1607 	u16                     default_vddc;
1608 	u16                     default_vddci;
1609 	struct radeon_i2c_chan *i2c_bus;
1610 	/* selected pm method */
1611 	enum radeon_pm_method     pm_method;
1612 	/* dynpm power management */
1613 	struct delayed_work	dynpm_idle_work;
1614 	enum radeon_dynpm_state	dynpm_state;
1615 	enum radeon_dynpm_action	dynpm_planned_action;
1616 	unsigned long		dynpm_action_timeout;
1617 	bool                    dynpm_can_upclock;
1618 	bool                    dynpm_can_downclock;
1619 	/* profile-based power management */
1620 	enum radeon_pm_profile_type profile;
1621 	int                     profile_index;
1622 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1623 	/* internal thermal controller on rv6xx+ */
1624 	enum radeon_int_thermal_type int_thermal_type;
1625 	struct device	        *int_hwmon_dev;
1626 	/* dpm */
1627 	bool                    dpm_enabled;
1628 	struct radeon_dpm       dpm;
1629 };
1630 
1631 int radeon_pm_get_type_index(struct radeon_device *rdev,
1632 			     enum radeon_pm_state_type ps_type,
1633 			     int instance);
1634 /*
1635  * UVD
1636  */
1637 #define RADEON_MAX_UVD_HANDLES	10
1638 #define RADEON_UVD_STACK_SIZE	(1024*1024)
1639 #define RADEON_UVD_HEAP_SIZE	(1024*1024)
1640 
1641 struct radeon_uvd {
1642 	struct radeon_bo	*vcpu_bo;
1643 	void			*cpu_addr;
1644 	uint64_t		gpu_addr;
1645 	void			*saved_bo;
1646 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1647 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1648 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1649 	struct delayed_work	idle_work;
1650 };
1651 
1652 int radeon_uvd_init(struct radeon_device *rdev);
1653 void radeon_uvd_fini(struct radeon_device *rdev);
1654 int radeon_uvd_suspend(struct radeon_device *rdev);
1655 int radeon_uvd_resume(struct radeon_device *rdev);
1656 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1657 			      uint32_t handle, struct radeon_fence **fence);
1658 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1659 			       uint32_t handle, struct radeon_fence **fence);
1660 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
1661 				       uint32_t allowed_domains);
1662 void radeon_uvd_free_handles(struct radeon_device *rdev,
1663 			     struct drm_file *filp);
1664 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1665 void radeon_uvd_note_usage(struct radeon_device *rdev);
1666 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1667 				  unsigned vclk, unsigned dclk,
1668 				  unsigned vco_min, unsigned vco_max,
1669 				  unsigned fb_factor, unsigned fb_mask,
1670 				  unsigned pd_min, unsigned pd_max,
1671 				  unsigned pd_even,
1672 				  unsigned *optimal_fb_div,
1673 				  unsigned *optimal_vclk_div,
1674 				  unsigned *optimal_dclk_div);
1675 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1676                                 unsigned cg_upll_func_cntl);
1677 
1678 /*
1679  * VCE
1680  */
1681 #define RADEON_MAX_VCE_HANDLES	16
1682 #define RADEON_VCE_STACK_SIZE	(1024*1024)
1683 #define RADEON_VCE_HEAP_SIZE	(4*1024*1024)
1684 
1685 struct radeon_vce {
1686 	struct radeon_bo	*vcpu_bo;
1687 	uint64_t		gpu_addr;
1688 	unsigned		fw_version;
1689 	unsigned		fb_version;
1690 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1691 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1692 	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
1693 	struct delayed_work	idle_work;
1694 };
1695 
1696 int radeon_vce_init(struct radeon_device *rdev);
1697 void radeon_vce_fini(struct radeon_device *rdev);
1698 int radeon_vce_suspend(struct radeon_device *rdev);
1699 int radeon_vce_resume(struct radeon_device *rdev);
1700 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1701 			      uint32_t handle, struct radeon_fence **fence);
1702 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1703 			       uint32_t handle, struct radeon_fence **fence);
1704 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1705 void radeon_vce_note_usage(struct radeon_device *rdev);
1706 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
1707 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1708 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1709 			       struct radeon_ring *ring,
1710 			       struct radeon_semaphore *semaphore,
1711 			       bool emit_wait);
1712 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1713 void radeon_vce_fence_emit(struct radeon_device *rdev,
1714 			   struct radeon_fence *fence);
1715 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1716 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1717 
1718 struct r600_audio_pin {
1719 	int			channels;
1720 	int			rate;
1721 	int			bits_per_sample;
1722 	u8			status_bits;
1723 	u8			category_code;
1724 	u32			offset;
1725 	bool			connected;
1726 	u32			id;
1727 };
1728 
1729 struct r600_audio {
1730 	bool enabled;
1731 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1732 	int num_pins;
1733 };
1734 
1735 /*
1736  * Benchmarking
1737  */
1738 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1739 
1740 
1741 /*
1742  * Testing
1743  */
1744 void radeon_test_moves(struct radeon_device *rdev);
1745 void radeon_test_ring_sync(struct radeon_device *rdev,
1746 			   struct radeon_ring *cpA,
1747 			   struct radeon_ring *cpB);
1748 void radeon_test_syncing(struct radeon_device *rdev);
1749 
1750 /*
1751  * MMU Notifier
1752  */
1753 int radeon_mn_register(struct radeon_bo *bo, unsigned long addr);
1754 void radeon_mn_unregister(struct radeon_bo *bo);
1755 
1756 /*
1757  * Debugfs
1758  */
1759 struct radeon_debugfs {
1760 	struct drm_info_list	*files;
1761 	unsigned		num_files;
1762 };
1763 
1764 int radeon_debugfs_add_files(struct radeon_device *rdev,
1765 			     struct drm_info_list *files,
1766 			     unsigned nfiles);
1767 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1768 
1769 /*
1770  * ASIC ring specific functions.
1771  */
1772 struct radeon_asic_ring {
1773 	/* ring read/write ptr handling */
1774 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1775 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1776 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1777 
1778 	/* validating and patching of IBs */
1779 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1780 	int (*cs_parse)(struct radeon_cs_parser *p);
1781 
1782 	/* command emmit functions */
1783 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1784 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1785 	void (*hdp_flush)(struct radeon_device *rdev, struct radeon_ring *ring);
1786 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1787 			       struct radeon_semaphore *semaphore, bool emit_wait);
1788 	void (*vm_flush)(struct radeon_device *rdev, int ridx, struct radeon_vm *vm);
1789 
1790 	/* testing functions */
1791 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1792 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1793 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1794 
1795 	/* deprecated */
1796 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1797 };
1798 
1799 /*
1800  * ASIC specific functions.
1801  */
1802 struct radeon_asic {
1803 	int (*init)(struct radeon_device *rdev);
1804 	void (*fini)(struct radeon_device *rdev);
1805 	int (*resume)(struct radeon_device *rdev);
1806 	int (*suspend)(struct radeon_device *rdev);
1807 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1808 	int (*asic_reset)(struct radeon_device *rdev);
1809 	/* Flush the HDP cache via MMIO */
1810 	void (*mmio_hdp_flush)(struct radeon_device *rdev);
1811 	/* check if 3D engine is idle */
1812 	bool (*gui_idle)(struct radeon_device *rdev);
1813 	/* wait for mc_idle */
1814 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1815 	/* get the reference clock */
1816 	u32 (*get_xclk)(struct radeon_device *rdev);
1817 	/* get the gpu clock counter */
1818 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1819 	/* gart */
1820 	struct {
1821 		void (*tlb_flush)(struct radeon_device *rdev);
1822 		void (*set_page)(struct radeon_device *rdev, unsigned i,
1823 				 uint64_t addr, uint32_t flags);
1824 	} gart;
1825 	struct {
1826 		int (*init)(struct radeon_device *rdev);
1827 		void (*fini)(struct radeon_device *rdev);
1828 		void (*copy_pages)(struct radeon_device *rdev,
1829 				   struct radeon_ib *ib,
1830 				   uint64_t pe, uint64_t src,
1831 				   unsigned count);
1832 		void (*write_pages)(struct radeon_device *rdev,
1833 				    struct radeon_ib *ib,
1834 				    uint64_t pe,
1835 				    uint64_t addr, unsigned count,
1836 				    uint32_t incr, uint32_t flags);
1837 		void (*set_pages)(struct radeon_device *rdev,
1838 				  struct radeon_ib *ib,
1839 				  uint64_t pe,
1840 				  uint64_t addr, unsigned count,
1841 				  uint32_t incr, uint32_t flags);
1842 		void (*pad_ib)(struct radeon_ib *ib);
1843 	} vm;
1844 	/* ring specific callbacks */
1845 	struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1846 	/* irqs */
1847 	struct {
1848 		int (*set)(struct radeon_device *rdev);
1849 		int (*process)(struct radeon_device *rdev);
1850 	} irq;
1851 	/* displays */
1852 	struct {
1853 		/* display watermarks */
1854 		void (*bandwidth_update)(struct radeon_device *rdev);
1855 		/* get frame count */
1856 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1857 		/* wait for vblank */
1858 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1859 		/* set backlight level */
1860 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1861 		/* get backlight level */
1862 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1863 		/* audio callbacks */
1864 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1865 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1866 	} display;
1867 	/* copy functions for bo handling */
1868 	struct {
1869 		struct radeon_fence *(*blit)(struct radeon_device *rdev,
1870 					     uint64_t src_offset,
1871 					     uint64_t dst_offset,
1872 					     unsigned num_gpu_pages,
1873 					     struct reservation_object *resv);
1874 		u32 blit_ring_index;
1875 		struct radeon_fence *(*dma)(struct radeon_device *rdev,
1876 					    uint64_t src_offset,
1877 					    uint64_t dst_offset,
1878 					    unsigned num_gpu_pages,
1879 					    struct reservation_object *resv);
1880 		u32 dma_ring_index;
1881 		/* method used for bo copy */
1882 		struct radeon_fence *(*copy)(struct radeon_device *rdev,
1883 					     uint64_t src_offset,
1884 					     uint64_t dst_offset,
1885 					     unsigned num_gpu_pages,
1886 					     struct reservation_object *resv);
1887 		/* ring used for bo copies */
1888 		u32 copy_ring_index;
1889 	} copy;
1890 	/* surfaces */
1891 	struct {
1892 		int (*set_reg)(struct radeon_device *rdev, int reg,
1893 				       uint32_t tiling_flags, uint32_t pitch,
1894 				       uint32_t offset, uint32_t obj_size);
1895 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1896 	} surface;
1897 	/* hotplug detect */
1898 	struct {
1899 		void (*init)(struct radeon_device *rdev);
1900 		void (*fini)(struct radeon_device *rdev);
1901 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1902 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1903 	} hpd;
1904 	/* static power management */
1905 	struct {
1906 		void (*misc)(struct radeon_device *rdev);
1907 		void (*prepare)(struct radeon_device *rdev);
1908 		void (*finish)(struct radeon_device *rdev);
1909 		void (*init_profile)(struct radeon_device *rdev);
1910 		void (*get_dynpm_state)(struct radeon_device *rdev);
1911 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1912 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1913 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1914 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1915 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1916 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1917 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1918 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1919 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1920 		int (*get_temperature)(struct radeon_device *rdev);
1921 	} pm;
1922 	/* dynamic power management */
1923 	struct {
1924 		int (*init)(struct radeon_device *rdev);
1925 		void (*setup_asic)(struct radeon_device *rdev);
1926 		int (*enable)(struct radeon_device *rdev);
1927 		int (*late_enable)(struct radeon_device *rdev);
1928 		void (*disable)(struct radeon_device *rdev);
1929 		int (*pre_set_power_state)(struct radeon_device *rdev);
1930 		int (*set_power_state)(struct radeon_device *rdev);
1931 		void (*post_set_power_state)(struct radeon_device *rdev);
1932 		void (*display_configuration_changed)(struct radeon_device *rdev);
1933 		void (*fini)(struct radeon_device *rdev);
1934 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1935 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1936 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1937 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1938 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1939 		bool (*vblank_too_short)(struct radeon_device *rdev);
1940 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1941 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1942 	} dpm;
1943 	/* pageflipping */
1944 	struct {
1945 		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1946 		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
1947 	} pflip;
1948 };
1949 
1950 /*
1951  * Asic structures
1952  */
1953 struct r100_asic {
1954 	const unsigned		*reg_safe_bm;
1955 	unsigned		reg_safe_bm_size;
1956 	u32			hdp_cntl;
1957 };
1958 
1959 struct r300_asic {
1960 	const unsigned		*reg_safe_bm;
1961 	unsigned		reg_safe_bm_size;
1962 	u32			resync_scratch;
1963 	u32			hdp_cntl;
1964 };
1965 
1966 struct r600_asic {
1967 	unsigned		max_pipes;
1968 	unsigned		max_tile_pipes;
1969 	unsigned		max_simds;
1970 	unsigned		max_backends;
1971 	unsigned		max_gprs;
1972 	unsigned		max_threads;
1973 	unsigned		max_stack_entries;
1974 	unsigned		max_hw_contexts;
1975 	unsigned		max_gs_threads;
1976 	unsigned		sx_max_export_size;
1977 	unsigned		sx_max_export_pos_size;
1978 	unsigned		sx_max_export_smx_size;
1979 	unsigned		sq_num_cf_insts;
1980 	unsigned		tiling_nbanks;
1981 	unsigned		tiling_npipes;
1982 	unsigned		tiling_group_size;
1983 	unsigned		tile_config;
1984 	unsigned		backend_map;
1985 	unsigned		active_simds;
1986 };
1987 
1988 struct rv770_asic {
1989 	unsigned		max_pipes;
1990 	unsigned		max_tile_pipes;
1991 	unsigned		max_simds;
1992 	unsigned		max_backends;
1993 	unsigned		max_gprs;
1994 	unsigned		max_threads;
1995 	unsigned		max_stack_entries;
1996 	unsigned		max_hw_contexts;
1997 	unsigned		max_gs_threads;
1998 	unsigned		sx_max_export_size;
1999 	unsigned		sx_max_export_pos_size;
2000 	unsigned		sx_max_export_smx_size;
2001 	unsigned		sq_num_cf_insts;
2002 	unsigned		sx_num_of_sets;
2003 	unsigned		sc_prim_fifo_size;
2004 	unsigned		sc_hiz_tile_fifo_size;
2005 	unsigned		sc_earlyz_tile_fifo_fize;
2006 	unsigned		tiling_nbanks;
2007 	unsigned		tiling_npipes;
2008 	unsigned		tiling_group_size;
2009 	unsigned		tile_config;
2010 	unsigned		backend_map;
2011 	unsigned		active_simds;
2012 };
2013 
2014 struct evergreen_asic {
2015 	unsigned num_ses;
2016 	unsigned max_pipes;
2017 	unsigned max_tile_pipes;
2018 	unsigned max_simds;
2019 	unsigned max_backends;
2020 	unsigned max_gprs;
2021 	unsigned max_threads;
2022 	unsigned max_stack_entries;
2023 	unsigned max_hw_contexts;
2024 	unsigned max_gs_threads;
2025 	unsigned sx_max_export_size;
2026 	unsigned sx_max_export_pos_size;
2027 	unsigned sx_max_export_smx_size;
2028 	unsigned sq_num_cf_insts;
2029 	unsigned sx_num_of_sets;
2030 	unsigned sc_prim_fifo_size;
2031 	unsigned sc_hiz_tile_fifo_size;
2032 	unsigned sc_earlyz_tile_fifo_size;
2033 	unsigned tiling_nbanks;
2034 	unsigned tiling_npipes;
2035 	unsigned tiling_group_size;
2036 	unsigned tile_config;
2037 	unsigned backend_map;
2038 	unsigned active_simds;
2039 };
2040 
2041 struct cayman_asic {
2042 	unsigned max_shader_engines;
2043 	unsigned max_pipes_per_simd;
2044 	unsigned max_tile_pipes;
2045 	unsigned max_simds_per_se;
2046 	unsigned max_backends_per_se;
2047 	unsigned max_texture_channel_caches;
2048 	unsigned max_gprs;
2049 	unsigned max_threads;
2050 	unsigned max_gs_threads;
2051 	unsigned max_stack_entries;
2052 	unsigned sx_num_of_sets;
2053 	unsigned sx_max_export_size;
2054 	unsigned sx_max_export_pos_size;
2055 	unsigned sx_max_export_smx_size;
2056 	unsigned max_hw_contexts;
2057 	unsigned sq_num_cf_insts;
2058 	unsigned sc_prim_fifo_size;
2059 	unsigned sc_hiz_tile_fifo_size;
2060 	unsigned sc_earlyz_tile_fifo_size;
2061 
2062 	unsigned num_shader_engines;
2063 	unsigned num_shader_pipes_per_simd;
2064 	unsigned num_tile_pipes;
2065 	unsigned num_simds_per_se;
2066 	unsigned num_backends_per_se;
2067 	unsigned backend_disable_mask_per_asic;
2068 	unsigned backend_map;
2069 	unsigned num_texture_channel_caches;
2070 	unsigned mem_max_burst_length_bytes;
2071 	unsigned mem_row_size_in_kb;
2072 	unsigned shader_engine_tile_size;
2073 	unsigned num_gpus;
2074 	unsigned multi_gpu_tile_size;
2075 
2076 	unsigned tile_config;
2077 	unsigned active_simds;
2078 };
2079 
2080 struct si_asic {
2081 	unsigned max_shader_engines;
2082 	unsigned max_tile_pipes;
2083 	unsigned max_cu_per_sh;
2084 	unsigned max_sh_per_se;
2085 	unsigned max_backends_per_se;
2086 	unsigned max_texture_channel_caches;
2087 	unsigned max_gprs;
2088 	unsigned max_gs_threads;
2089 	unsigned max_hw_contexts;
2090 	unsigned sc_prim_fifo_size_frontend;
2091 	unsigned sc_prim_fifo_size_backend;
2092 	unsigned sc_hiz_tile_fifo_size;
2093 	unsigned sc_earlyz_tile_fifo_size;
2094 
2095 	unsigned num_tile_pipes;
2096 	unsigned backend_enable_mask;
2097 	unsigned backend_disable_mask_per_asic;
2098 	unsigned backend_map;
2099 	unsigned num_texture_channel_caches;
2100 	unsigned mem_max_burst_length_bytes;
2101 	unsigned mem_row_size_in_kb;
2102 	unsigned shader_engine_tile_size;
2103 	unsigned num_gpus;
2104 	unsigned multi_gpu_tile_size;
2105 
2106 	unsigned tile_config;
2107 	uint32_t tile_mode_array[32];
2108 	uint32_t active_cus;
2109 };
2110 
2111 struct cik_asic {
2112 	unsigned max_shader_engines;
2113 	unsigned max_tile_pipes;
2114 	unsigned max_cu_per_sh;
2115 	unsigned max_sh_per_se;
2116 	unsigned max_backends_per_se;
2117 	unsigned max_texture_channel_caches;
2118 	unsigned max_gprs;
2119 	unsigned max_gs_threads;
2120 	unsigned max_hw_contexts;
2121 	unsigned sc_prim_fifo_size_frontend;
2122 	unsigned sc_prim_fifo_size_backend;
2123 	unsigned sc_hiz_tile_fifo_size;
2124 	unsigned sc_earlyz_tile_fifo_size;
2125 
2126 	unsigned num_tile_pipes;
2127 	unsigned backend_enable_mask;
2128 	unsigned backend_disable_mask_per_asic;
2129 	unsigned backend_map;
2130 	unsigned num_texture_channel_caches;
2131 	unsigned mem_max_burst_length_bytes;
2132 	unsigned mem_row_size_in_kb;
2133 	unsigned shader_engine_tile_size;
2134 	unsigned num_gpus;
2135 	unsigned multi_gpu_tile_size;
2136 
2137 	unsigned tile_config;
2138 	uint32_t tile_mode_array[32];
2139 	uint32_t macrotile_mode_array[16];
2140 	uint32_t active_cus;
2141 };
2142 
2143 union radeon_asic_config {
2144 	struct r300_asic	r300;
2145 	struct r100_asic	r100;
2146 	struct r600_asic	r600;
2147 	struct rv770_asic	rv770;
2148 	struct evergreen_asic	evergreen;
2149 	struct cayman_asic	cayman;
2150 	struct si_asic		si;
2151 	struct cik_asic		cik;
2152 };
2153 
2154 /*
2155  * asic initizalization from radeon_asic.c
2156  */
2157 void radeon_agp_disable(struct radeon_device *rdev);
2158 int radeon_asic_init(struct radeon_device *rdev);
2159 
2160 
2161 /*
2162  * IOCTL.
2163  */
2164 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2165 			  struct drm_file *filp);
2166 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2167 			    struct drm_file *filp);
2168 int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
2169 			     struct drm_file *filp);
2170 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2171 			 struct drm_file *file_priv);
2172 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2173 			   struct drm_file *file_priv);
2174 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
2175 			    struct drm_file *file_priv);
2176 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
2177 			   struct drm_file *file_priv);
2178 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2179 				struct drm_file *filp);
2180 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2181 			  struct drm_file *filp);
2182 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2183 			  struct drm_file *filp);
2184 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2185 			      struct drm_file *filp);
2186 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2187 			  struct drm_file *filp);
2188 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2189 			struct drm_file *filp);
2190 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2191 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2192 				struct drm_file *filp);
2193 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2194 				struct drm_file *filp);
2195 
2196 /* VRAM scratch page for HDP bug, default vram page */
2197 struct r600_vram_scratch {
2198 	struct radeon_bo		*robj;
2199 	volatile uint32_t		*ptr;
2200 	u64				gpu_addr;
2201 };
2202 
2203 /*
2204  * ACPI
2205  */
2206 struct radeon_atif_notification_cfg {
2207 	bool enabled;
2208 	int command_code;
2209 };
2210 
2211 struct radeon_atif_notifications {
2212 	bool display_switch;
2213 	bool expansion_mode_change;
2214 	bool thermal_state;
2215 	bool forced_power_state;
2216 	bool system_power_state;
2217 	bool display_conf_change;
2218 	bool px_gfx_switch;
2219 	bool brightness_change;
2220 	bool dgpu_display_event;
2221 };
2222 
2223 struct radeon_atif_functions {
2224 	bool system_params;
2225 	bool sbios_requests;
2226 	bool select_active_disp;
2227 	bool lid_state;
2228 	bool get_tv_standard;
2229 	bool set_tv_standard;
2230 	bool get_panel_expansion_mode;
2231 	bool set_panel_expansion_mode;
2232 	bool temperature_change;
2233 	bool graphics_device_types;
2234 };
2235 
2236 struct radeon_atif {
2237 	struct radeon_atif_notifications notifications;
2238 	struct radeon_atif_functions functions;
2239 	struct radeon_atif_notification_cfg notification_cfg;
2240 	struct radeon_encoder *encoder_for_bl;
2241 };
2242 
2243 struct radeon_atcs_functions {
2244 	bool get_ext_state;
2245 	bool pcie_perf_req;
2246 	bool pcie_dev_rdy;
2247 	bool pcie_bus_width;
2248 };
2249 
2250 struct radeon_atcs {
2251 	struct radeon_atcs_functions functions;
2252 };
2253 
2254 /*
2255  * Core structure, functions and helpers.
2256  */
2257 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2258 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2259 
2260 struct radeon_device {
2261 	struct device			*dev;
2262 	struct drm_device		*ddev;
2263 	struct pci_dev			*pdev;
2264 	struct rw_semaphore		exclusive_lock;
2265 	/* ASIC */
2266 	union radeon_asic_config	config;
2267 	enum radeon_family		family;
2268 	unsigned long			flags;
2269 	int				usec_timeout;
2270 	enum radeon_pll_errata		pll_errata;
2271 	int				num_gb_pipes;
2272 	int				num_z_pipes;
2273 	int				disp_priority;
2274 	/* BIOS */
2275 	uint8_t				*bios;
2276 	bool				is_atom_bios;
2277 	uint16_t			bios_header_start;
2278 	struct radeon_bo		*stollen_vga_memory;
2279 	/* Register mmio */
2280 	resource_size_t			rmmio_base;
2281 	resource_size_t			rmmio_size;
2282 	/* protects concurrent MM_INDEX/DATA based register access */
2283 	spinlock_t mmio_idx_lock;
2284 	/* protects concurrent SMC based register access */
2285 	spinlock_t smc_idx_lock;
2286 	/* protects concurrent PLL register access */
2287 	spinlock_t pll_idx_lock;
2288 	/* protects concurrent MC register access */
2289 	spinlock_t mc_idx_lock;
2290 	/* protects concurrent PCIE register access */
2291 	spinlock_t pcie_idx_lock;
2292 	/* protects concurrent PCIE_PORT register access */
2293 	spinlock_t pciep_idx_lock;
2294 	/* protects concurrent PIF register access */
2295 	spinlock_t pif_idx_lock;
2296 	/* protects concurrent CG register access */
2297 	spinlock_t cg_idx_lock;
2298 	/* protects concurrent UVD register access */
2299 	spinlock_t uvd_idx_lock;
2300 	/* protects concurrent RCU register access */
2301 	spinlock_t rcu_idx_lock;
2302 	/* protects concurrent DIDT register access */
2303 	spinlock_t didt_idx_lock;
2304 	/* protects concurrent ENDPOINT (audio) register access */
2305 	spinlock_t end_idx_lock;
2306 	void __iomem			*rmmio;
2307 	radeon_rreg_t			mc_rreg;
2308 	radeon_wreg_t			mc_wreg;
2309 	radeon_rreg_t			pll_rreg;
2310 	radeon_wreg_t			pll_wreg;
2311 	uint32_t                        pcie_reg_mask;
2312 	radeon_rreg_t			pciep_rreg;
2313 	radeon_wreg_t			pciep_wreg;
2314 	/* io port */
2315 	void __iomem                    *rio_mem;
2316 	resource_size_t			rio_mem_size;
2317 	struct radeon_clock             clock;
2318 	struct radeon_mc		mc;
2319 	struct radeon_gart		gart;
2320 	struct radeon_mode_info		mode_info;
2321 	struct radeon_scratch		scratch;
2322 	struct radeon_doorbell		doorbell;
2323 	struct radeon_mman		mman;
2324 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2325 	wait_queue_head_t		fence_queue;
2326 	unsigned			fence_context;
2327 	struct mutex			ring_lock;
2328 	struct radeon_ring		ring[RADEON_NUM_RINGS];
2329 	bool				ib_pool_ready;
2330 	struct radeon_sa_manager	ring_tmp_bo;
2331 	struct radeon_irq		irq;
2332 	struct radeon_asic		*asic;
2333 	struct radeon_gem		gem;
2334 	struct radeon_pm		pm;
2335 	struct radeon_uvd		uvd;
2336 	struct radeon_vce		vce;
2337 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2338 	struct radeon_wb		wb;
2339 	struct radeon_dummy_page	dummy_page;
2340 	bool				shutdown;
2341 	bool				suspend;
2342 	bool				need_dma32;
2343 	bool				accel_working;
2344 	bool				fastfb_working; /* IGP feature*/
2345 	bool				needs_reset, in_reset;
2346 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2347 	const struct firmware *me_fw;	/* all family ME firmware */
2348 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2349 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2350 	const struct firmware *mc_fw;	/* NI MC firmware */
2351 	const struct firmware *ce_fw;	/* SI CE firmware */
2352 	const struct firmware *mec_fw;	/* CIK MEC firmware */
2353 	const struct firmware *mec2_fw;	/* KV MEC2 firmware */
2354 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2355 	const struct firmware *smc_fw;	/* SMC firmware */
2356 	const struct firmware *uvd_fw;	/* UVD firmware */
2357 	const struct firmware *vce_fw;	/* VCE firmware */
2358 	bool new_fw;
2359 	struct r600_vram_scratch vram_scratch;
2360 	int msi_enabled; /* msi enabled */
2361 	struct r600_ih ih; /* r6/700 interrupt ring */
2362 	struct radeon_rlc rlc;
2363 	struct radeon_mec mec;
2364 	struct work_struct hotplug_work;
2365 	struct work_struct audio_work;
2366 	int num_crtc; /* number of crtcs */
2367 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2368 	bool has_uvd;
2369 	struct r600_audio audio; /* audio stuff */
2370 	struct notifier_block acpi_nb;
2371 	/* only one userspace can use Hyperz features or CMASK at a time */
2372 	struct drm_file *hyperz_filp;
2373 	struct drm_file *cmask_filp;
2374 	/* i2c buses */
2375 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2376 	/* debugfs */
2377 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
2378 	unsigned 		debugfs_count;
2379 	/* virtual memory */
2380 	struct radeon_vm_manager	vm_manager;
2381 	struct mutex			gpu_clock_mutex;
2382 	/* memory stats */
2383 	atomic64_t			vram_usage;
2384 	atomic64_t			gtt_usage;
2385 	atomic64_t			num_bytes_moved;
2386 	/* ACPI interface */
2387 	struct radeon_atif		atif;
2388 	struct radeon_atcs		atcs;
2389 	/* srbm instance registers */
2390 	struct mutex			srbm_mutex;
2391 	/* clock, powergating flags */
2392 	u32 cg_flags;
2393 	u32 pg_flags;
2394 
2395 	struct dev_pm_domain vga_pm_domain;
2396 	bool have_disp_power_ref;
2397 	u32 px_quirk_flags;
2398 
2399 	/* tracking pinned memory */
2400 	u64 vram_pin_size;
2401 	u64 gart_pin_size;
2402 
2403 	struct mutex	mn_lock;
2404 	DECLARE_HASHTABLE(mn_hash, 7);
2405 };
2406 
2407 bool radeon_is_px(struct drm_device *dev);
2408 int radeon_device_init(struct radeon_device *rdev,
2409 		       struct drm_device *ddev,
2410 		       struct pci_dev *pdev,
2411 		       uint32_t flags);
2412 void radeon_device_fini(struct radeon_device *rdev);
2413 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2414 
2415 #define RADEON_MIN_MMIO_SIZE 0x10000
2416 
2417 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2418 				    bool always_indirect)
2419 {
2420 	/* The mmio size is 64kb at minimum. Allows the if to be optimized out. */
2421 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2422 		return readl(((void __iomem *)rdev->rmmio) + reg);
2423 	else {
2424 		unsigned long flags;
2425 		uint32_t ret;
2426 
2427 		spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
2428 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
2429 		ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
2430 		spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
2431 
2432 		return ret;
2433 	}
2434 }
2435 
2436 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2437 				bool always_indirect)
2438 {
2439 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2440 		writel(v, ((void __iomem *)rdev->rmmio) + reg);
2441 	else {
2442 		unsigned long flags;
2443 
2444 		spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
2445 		writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
2446 		writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
2447 		spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
2448 	}
2449 }
2450 
2451 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2452 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2453 
2454 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2455 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2456 
2457 /*
2458  * Cast helper
2459  */
2460 extern const struct fence_ops radeon_fence_ops;
2461 
2462 static inline struct radeon_fence *to_radeon_fence(struct fence *f)
2463 {
2464 	struct radeon_fence *__f = container_of(f, struct radeon_fence, base);
2465 
2466 	if (__f->base.ops == &radeon_fence_ops)
2467 		return __f;
2468 
2469 	return NULL;
2470 }
2471 
2472 /*
2473  * Registers read & write functions.
2474  */
2475 #define RREG8(reg) readb((rdev->rmmio) + (reg))
2476 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2477 #define RREG16(reg) readw((rdev->rmmio) + (reg))
2478 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2479 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2480 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2481 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg), false))
2482 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2483 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2484 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2485 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2486 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2487 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2488 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2489 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2490 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2491 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2492 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2493 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2494 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2495 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2496 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2497 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2498 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2499 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2500 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2501 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2502 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2503 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2504 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2505 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2506 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2507 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2508 #define WREG32_P(reg, val, mask)				\
2509 	do {							\
2510 		uint32_t tmp_ = RREG32(reg);			\
2511 		tmp_ &= (mask);					\
2512 		tmp_ |= ((val) & ~(mask));			\
2513 		WREG32(reg, tmp_);				\
2514 	} while (0)
2515 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2516 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2517 #define WREG32_PLL_P(reg, val, mask)				\
2518 	do {							\
2519 		uint32_t tmp_ = RREG32_PLL(reg);		\
2520 		tmp_ &= (mask);					\
2521 		tmp_ |= ((val) & ~(mask));			\
2522 		WREG32_PLL(reg, tmp_);				\
2523 	} while (0)
2524 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2525 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2526 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2527 
2528 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2529 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2530 
2531 /*
2532  * Indirect registers accessor
2533  */
2534 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
2535 {
2536 	unsigned long flags;
2537 	uint32_t r;
2538 
2539 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2540 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2541 	r = RREG32(RADEON_PCIE_DATA);
2542 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2543 	return r;
2544 }
2545 
2546 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2547 {
2548 	unsigned long flags;
2549 
2550 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
2551 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
2552 	WREG32(RADEON_PCIE_DATA, (v));
2553 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
2554 }
2555 
2556 static inline u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
2557 {
2558 	unsigned long flags;
2559 	u32 r;
2560 
2561 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2562 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2563 	r = RREG32(TN_SMC_IND_DATA_0);
2564 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2565 	return r;
2566 }
2567 
2568 static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2569 {
2570 	unsigned long flags;
2571 
2572 	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
2573 	WREG32(TN_SMC_IND_INDEX_0, (reg));
2574 	WREG32(TN_SMC_IND_DATA_0, (v));
2575 	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
2576 }
2577 
2578 static inline u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
2579 {
2580 	unsigned long flags;
2581 	u32 r;
2582 
2583 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2584 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2585 	r = RREG32(R600_RCU_DATA);
2586 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2587 	return r;
2588 }
2589 
2590 static inline void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2591 {
2592 	unsigned long flags;
2593 
2594 	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
2595 	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
2596 	WREG32(R600_RCU_DATA, (v));
2597 	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
2598 }
2599 
2600 static inline u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
2601 {
2602 	unsigned long flags;
2603 	u32 r;
2604 
2605 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2606 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2607 	r = RREG32(EVERGREEN_CG_IND_DATA);
2608 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2609 	return r;
2610 }
2611 
2612 static inline void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2613 {
2614 	unsigned long flags;
2615 
2616 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
2617 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
2618 	WREG32(EVERGREEN_CG_IND_DATA, (v));
2619 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
2620 }
2621 
2622 static inline u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
2623 {
2624 	unsigned long flags;
2625 	u32 r;
2626 
2627 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2628 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2629 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
2630 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2631 	return r;
2632 }
2633 
2634 static inline void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2635 {
2636 	unsigned long flags;
2637 
2638 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2639 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
2640 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
2641 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2642 }
2643 
2644 static inline u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
2645 {
2646 	unsigned long flags;
2647 	u32 r;
2648 
2649 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2650 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2651 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
2652 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2653 	return r;
2654 }
2655 
2656 static inline void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2657 {
2658 	unsigned long flags;
2659 
2660 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
2661 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
2662 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
2663 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
2664 }
2665 
2666 static inline u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
2667 {
2668 	unsigned long flags;
2669 	u32 r;
2670 
2671 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2672 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2673 	r = RREG32(R600_UVD_CTX_DATA);
2674 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2675 	return r;
2676 }
2677 
2678 static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2679 {
2680 	unsigned long flags;
2681 
2682 	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
2683 	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
2684 	WREG32(R600_UVD_CTX_DATA, (v));
2685 	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
2686 }
2687 
2688 
2689 static inline u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg)
2690 {
2691 	unsigned long flags;
2692 	u32 r;
2693 
2694 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2695 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2696 	r = RREG32(CIK_DIDT_IND_DATA);
2697 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2698 	return r;
2699 }
2700 
2701 static inline void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2702 {
2703 	unsigned long flags;
2704 
2705 	spin_lock_irqsave(&rdev->didt_idx_lock, flags);
2706 	WREG32(CIK_DIDT_IND_INDEX, (reg));
2707 	WREG32(CIK_DIDT_IND_DATA, (v));
2708 	spin_unlock_irqrestore(&rdev->didt_idx_lock, flags);
2709 }
2710 
2711 void r100_pll_errata_after_index(struct radeon_device *rdev);
2712 
2713 
2714 /*
2715  * ASICs helpers.
2716  */
2717 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2718 			    (rdev->pdev->device == 0x5969))
2719 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2720 		(rdev->family == CHIP_RV200) || \
2721 		(rdev->family == CHIP_RS100) || \
2722 		(rdev->family == CHIP_RS200) || \
2723 		(rdev->family == CHIP_RV250) || \
2724 		(rdev->family == CHIP_RV280) || \
2725 		(rdev->family == CHIP_RS300))
2726 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2727 		(rdev->family == CHIP_RV350) ||			\
2728 		(rdev->family == CHIP_R350)  ||			\
2729 		(rdev->family == CHIP_RV380) ||			\
2730 		(rdev->family == CHIP_R420)  ||			\
2731 		(rdev->family == CHIP_R423)  ||			\
2732 		(rdev->family == CHIP_RV410) ||			\
2733 		(rdev->family == CHIP_RS400) ||			\
2734 		(rdev->family == CHIP_RS480))
2735 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
2736 		(rdev->ddev->pdev->device == 0x9443) || \
2737 		(rdev->ddev->pdev->device == 0x944B) || \
2738 		(rdev->ddev->pdev->device == 0x9506) || \
2739 		(rdev->ddev->pdev->device == 0x9509) || \
2740 		(rdev->ddev->pdev->device == 0x950F) || \
2741 		(rdev->ddev->pdev->device == 0x689C) || \
2742 		(rdev->ddev->pdev->device == 0x689D))
2743 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2744 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2745 			    (rdev->family == CHIP_RS690)  ||	\
2746 			    (rdev->family == CHIP_RS740)  ||	\
2747 			    (rdev->family >= CHIP_R600))
2748 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2749 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2750 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2751 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2752 			     (rdev->flags & RADEON_IS_IGP))
2753 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2754 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2755 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2756 			     (rdev->flags & RADEON_IS_IGP))
2757 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2758 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2759 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2760 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
2761 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
2762 #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
2763 			     (rdev->family == CHIP_MULLINS))
2764 
2765 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
2766 			      (rdev->ddev->pdev->device == 0x6850) || \
2767 			      (rdev->ddev->pdev->device == 0x6858) || \
2768 			      (rdev->ddev->pdev->device == 0x6859) || \
2769 			      (rdev->ddev->pdev->device == 0x6840) || \
2770 			      (rdev->ddev->pdev->device == 0x6841) || \
2771 			      (rdev->ddev->pdev->device == 0x6842) || \
2772 			      (rdev->ddev->pdev->device == 0x6843))
2773 
2774 /*
2775  * BIOS helpers.
2776  */
2777 #define RBIOS8(i) (rdev->bios[i])
2778 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2779 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2780 
2781 int radeon_combios_init(struct radeon_device *rdev);
2782 void radeon_combios_fini(struct radeon_device *rdev);
2783 int radeon_atombios_init(struct radeon_device *rdev);
2784 void radeon_atombios_fini(struct radeon_device *rdev);
2785 
2786 
2787 /*
2788  * RING helpers.
2789  */
2790 
2791 /**
2792  * radeon_ring_write - write a value to the ring
2793  *
2794  * @ring: radeon_ring structure holding ring information
2795  * @v: dword (dw) value to write
2796  *
2797  * Write a value to the requested ring buffer (all asics).
2798  */
2799 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2800 {
2801 	if (ring->count_dw <= 0)
2802 		DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
2803 
2804 	ring->ring[ring->wptr++] = v;
2805 	ring->wptr &= ring->ptr_mask;
2806 	ring->count_dw--;
2807 	ring->ring_free_dw--;
2808 }
2809 
2810 /*
2811  * ASICs macro.
2812  */
2813 #define radeon_init(rdev) (rdev)->asic->init((rdev))
2814 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2815 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2816 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2817 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2818 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2819 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
2820 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2821 #define radeon_gart_set_page(rdev, i, p, f) (rdev)->asic->gart.set_page((rdev), (i), (p), (f))
2822 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2823 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2824 #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
2825 #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)))
2826 #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)))
2827 #define radeon_asic_vm_pad_ib(rdev, ib) ((rdev)->asic->vm.pad_ib((ib)))
2828 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2829 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2830 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2831 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2832 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2833 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2834 #define radeon_ring_vm_flush(rdev, r, vm) (rdev)->asic->ring[(r)]->vm_flush((rdev), (r), (vm))
2835 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2836 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2837 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2838 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2839 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2840 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2841 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2842 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2843 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2844 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2845 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2846 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2847 #define radeon_copy_blit(rdev, s, d, np, resv) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (resv))
2848 #define radeon_copy_dma(rdev, s, d, np, resv) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (resv))
2849 #define radeon_copy(rdev, s, d, np, resv) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (resv))
2850 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2851 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2852 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2853 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2854 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2855 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2856 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2857 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2858 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2859 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2860 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2861 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2862 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2863 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2864 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2865 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2866 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2867 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2868 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2869 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2870 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2871 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2872 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2873 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2874 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2875 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2876 #define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base))
2877 #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
2878 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2879 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2880 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2881 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2882 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2883 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2884 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2885 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2886 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2887 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2888 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2889 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2890 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2891 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2892 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2893 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2894 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2895 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2896 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2897 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2898 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2899 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2900 
2901 /* Common functions */
2902 /* AGP */
2903 extern int radeon_gpu_reset(struct radeon_device *rdev);
2904 extern void radeon_pci_config_reset(struct radeon_device *rdev);
2905 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2906 extern void radeon_agp_disable(struct radeon_device *rdev);
2907 extern int radeon_modeset_init(struct radeon_device *rdev);
2908 extern void radeon_modeset_fini(struct radeon_device *rdev);
2909 extern bool radeon_card_posted(struct radeon_device *rdev);
2910 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2911 extern void radeon_update_display_priority(struct radeon_device *rdev);
2912 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2913 extern void radeon_scratch_init(struct radeon_device *rdev);
2914 extern void radeon_wb_fini(struct radeon_device *rdev);
2915 extern int radeon_wb_init(struct radeon_device *rdev);
2916 extern void radeon_wb_disable(struct radeon_device *rdev);
2917 extern void radeon_surface_init(struct radeon_device *rdev);
2918 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2919 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2920 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2921 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2922 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2923 extern int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
2924 				     uint32_t flags);
2925 extern bool radeon_ttm_tt_has_userptr(struct ttm_tt *ttm);
2926 extern bool radeon_ttm_tt_is_readonly(struct ttm_tt *ttm);
2927 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2928 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2929 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2930 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
2931 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2932 extern void radeon_program_register_sequence(struct radeon_device *rdev,
2933 					     const u32 *registers,
2934 					     const u32 array_size);
2935 
2936 /*
2937  * vm
2938  */
2939 int radeon_vm_manager_init(struct radeon_device *rdev);
2940 void radeon_vm_manager_fini(struct radeon_device *rdev);
2941 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2942 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2943 struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
2944 					  struct radeon_vm *vm,
2945                                           struct list_head *head);
2946 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2947 				       struct radeon_vm *vm, int ring);
2948 void radeon_vm_flush(struct radeon_device *rdev,
2949                      struct radeon_vm *vm,
2950                      int ring);
2951 void radeon_vm_fence(struct radeon_device *rdev,
2952 		     struct radeon_vm *vm,
2953 		     struct radeon_fence *fence);
2954 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2955 int radeon_vm_update_page_directory(struct radeon_device *rdev,
2956 				    struct radeon_vm *vm);
2957 int radeon_vm_clear_freed(struct radeon_device *rdev,
2958 			  struct radeon_vm *vm);
2959 int radeon_vm_clear_invalids(struct radeon_device *rdev,
2960 			     struct radeon_vm *vm);
2961 int radeon_vm_bo_update(struct radeon_device *rdev,
2962 			struct radeon_bo_va *bo_va,
2963 			struct ttm_mem_reg *mem);
2964 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2965 			     struct radeon_bo *bo);
2966 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2967 				       struct radeon_bo *bo);
2968 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2969 				      struct radeon_vm *vm,
2970 				      struct radeon_bo *bo);
2971 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2972 			  struct radeon_bo_va *bo_va,
2973 			  uint64_t offset,
2974 			  uint32_t flags);
2975 void radeon_vm_bo_rmv(struct radeon_device *rdev,
2976 		      struct radeon_bo_va *bo_va);
2977 
2978 /* audio */
2979 void r600_audio_update_hdmi(struct work_struct *work);
2980 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2981 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2982 void r600_audio_enable(struct radeon_device *rdev,
2983 		       struct r600_audio_pin *pin,
2984 		       u8 enable_mask);
2985 void dce6_audio_enable(struct radeon_device *rdev,
2986 		       struct r600_audio_pin *pin,
2987 		       u8 enable_mask);
2988 
2989 /*
2990  * R600 vram scratch functions
2991  */
2992 int r600_vram_scratch_init(struct radeon_device *rdev);
2993 void r600_vram_scratch_fini(struct radeon_device *rdev);
2994 
2995 /*
2996  * r600 cs checking helper
2997  */
2998 unsigned r600_mip_minify(unsigned size, unsigned level);
2999 bool r600_fmt_is_valid_color(u32 format);
3000 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
3001 int r600_fmt_get_blocksize(u32 format);
3002 int r600_fmt_get_nblocksx(u32 format, u32 w);
3003 int r600_fmt_get_nblocksy(u32 format, u32 h);
3004 
3005 /*
3006  * r600 functions used by radeon_encoder.c
3007  */
3008 struct radeon_hdmi_acr {
3009 	u32 clock;
3010 
3011 	int n_32khz;
3012 	int cts_32khz;
3013 
3014 	int n_44_1khz;
3015 	int cts_44_1khz;
3016 
3017 	int n_48khz;
3018 	int cts_48khz;
3019 
3020 };
3021 
3022 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
3023 
3024 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
3025 				     u32 tiling_pipe_num,
3026 				     u32 max_rb_num,
3027 				     u32 total_max_rb_num,
3028 				     u32 enabled_rb_mask);
3029 
3030 /*
3031  * evergreen functions used by radeon_encoder.c
3032  */
3033 
3034 extern int ni_init_microcode(struct radeon_device *rdev);
3035 extern int ni_mc_load_microcode(struct radeon_device *rdev);
3036 
3037 /* radeon_acpi.c */
3038 #if defined(CONFIG_ACPI)
3039 extern int radeon_acpi_init(struct radeon_device *rdev);
3040 extern void radeon_acpi_fini(struct radeon_device *rdev);
3041 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
3042 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
3043 						u8 perf_req, bool advertise);
3044 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
3045 #else
3046 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
3047 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
3048 #endif
3049 
3050 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
3051 			   struct radeon_cs_packet *pkt,
3052 			   unsigned idx);
3053 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
3054 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
3055 			   struct radeon_cs_packet *pkt);
3056 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
3057 				struct radeon_cs_reloc **cs_reloc,
3058 				int nomm);
3059 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
3060 			       uint32_t *vline_start_end,
3061 			       uint32_t *vline_status);
3062 
3063 #include "radeon_object.h"
3064 
3065 #endif
3066