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/dma-fence.h>
70 
71 #include <drm/ttm/ttm_bo_api.h>
72 #include <drm/ttm/ttm_bo_driver.h>
73 #include <drm/ttm/ttm_placement.h>
74 #include <drm/ttm/ttm_module.h>
75 #include <drm/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 extern int radeon_auxch;
115 extern int radeon_mst;
116 extern int radeon_uvd;
117 extern int radeon_vce;
118 extern int radeon_si_support;
119 extern int radeon_cik_support;
120 
121 /*
122  * Copy from radeon_drv.h so we don't have to include both and have conflicting
123  * symbol;
124  */
125 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
126 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
127 #define RADEON_USEC_IB_TEST_TIMEOUT		1000000 /* 1s */
128 /* RADEON_IB_POOL_SIZE must be a power of 2 */
129 #define RADEON_IB_POOL_SIZE			16
130 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
131 #define RADEONFB_CONN_LIMIT			4
132 #define RADEON_BIOS_NUM_SCRATCH			8
133 
134 /* internal ring indices */
135 /* r1xx+ has gfx CP ring */
136 #define RADEON_RING_TYPE_GFX_INDEX		0
137 
138 /* cayman has 2 compute CP rings */
139 #define CAYMAN_RING_TYPE_CP1_INDEX		1
140 #define CAYMAN_RING_TYPE_CP2_INDEX		2
141 
142 /* R600+ has an async dma ring */
143 #define R600_RING_TYPE_DMA_INDEX		3
144 /* cayman add a second async dma ring */
145 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
146 
147 /* R600+ */
148 #define R600_RING_TYPE_UVD_INDEX		5
149 
150 /* TN+ */
151 #define TN_RING_TYPE_VCE1_INDEX			6
152 #define TN_RING_TYPE_VCE2_INDEX			7
153 
154 /* max number of rings */
155 #define RADEON_NUM_RINGS			8
156 
157 /* number of hw syncs before falling back on blocking */
158 #define RADEON_NUM_SYNCS			4
159 
160 /* hardcode those limit for now */
161 #define RADEON_VA_IB_OFFSET			(1 << 20)
162 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
163 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
164 
165 /* hard reset data */
166 #define RADEON_ASIC_RESET_DATA                  0x39d5e86b
167 
168 /* reset flags */
169 #define RADEON_RESET_GFX			(1 << 0)
170 #define RADEON_RESET_COMPUTE			(1 << 1)
171 #define RADEON_RESET_DMA			(1 << 2)
172 #define RADEON_RESET_CP				(1 << 3)
173 #define RADEON_RESET_GRBM			(1 << 4)
174 #define RADEON_RESET_DMA1			(1 << 5)
175 #define RADEON_RESET_RLC			(1 << 6)
176 #define RADEON_RESET_SEM			(1 << 7)
177 #define RADEON_RESET_IH				(1 << 8)
178 #define RADEON_RESET_VMC			(1 << 9)
179 #define RADEON_RESET_MC				(1 << 10)
180 #define RADEON_RESET_DISPLAY			(1 << 11)
181 
182 /* CG block flags */
183 #define RADEON_CG_BLOCK_GFX			(1 << 0)
184 #define RADEON_CG_BLOCK_MC			(1 << 1)
185 #define RADEON_CG_BLOCK_SDMA			(1 << 2)
186 #define RADEON_CG_BLOCK_UVD			(1 << 3)
187 #define RADEON_CG_BLOCK_VCE			(1 << 4)
188 #define RADEON_CG_BLOCK_HDP			(1 << 5)
189 #define RADEON_CG_BLOCK_BIF			(1 << 6)
190 
191 /* CG flags */
192 #define RADEON_CG_SUPPORT_GFX_MGCG		(1 << 0)
193 #define RADEON_CG_SUPPORT_GFX_MGLS		(1 << 1)
194 #define RADEON_CG_SUPPORT_GFX_CGCG		(1 << 2)
195 #define RADEON_CG_SUPPORT_GFX_CGLS		(1 << 3)
196 #define RADEON_CG_SUPPORT_GFX_CGTS		(1 << 4)
197 #define RADEON_CG_SUPPORT_GFX_CGTS_LS		(1 << 5)
198 #define RADEON_CG_SUPPORT_GFX_CP_LS		(1 << 6)
199 #define RADEON_CG_SUPPORT_GFX_RLC_LS		(1 << 7)
200 #define RADEON_CG_SUPPORT_MC_LS			(1 << 8)
201 #define RADEON_CG_SUPPORT_MC_MGCG		(1 << 9)
202 #define RADEON_CG_SUPPORT_SDMA_LS		(1 << 10)
203 #define RADEON_CG_SUPPORT_SDMA_MGCG		(1 << 11)
204 #define RADEON_CG_SUPPORT_BIF_LS		(1 << 12)
205 #define RADEON_CG_SUPPORT_UVD_MGCG		(1 << 13)
206 #define RADEON_CG_SUPPORT_VCE_MGCG		(1 << 14)
207 #define RADEON_CG_SUPPORT_HDP_LS		(1 << 15)
208 #define RADEON_CG_SUPPORT_HDP_MGCG		(1 << 16)
209 
210 /* PG flags */
211 #define RADEON_PG_SUPPORT_GFX_PG		(1 << 0)
212 #define RADEON_PG_SUPPORT_GFX_SMG		(1 << 1)
213 #define RADEON_PG_SUPPORT_GFX_DMG		(1 << 2)
214 #define RADEON_PG_SUPPORT_UVD			(1 << 3)
215 #define RADEON_PG_SUPPORT_VCE			(1 << 4)
216 #define RADEON_PG_SUPPORT_CP			(1 << 5)
217 #define RADEON_PG_SUPPORT_GDS			(1 << 6)
218 #define RADEON_PG_SUPPORT_RLC_SMU_HS		(1 << 7)
219 #define RADEON_PG_SUPPORT_SDMA			(1 << 8)
220 #define RADEON_PG_SUPPORT_ACP			(1 << 9)
221 #define RADEON_PG_SUPPORT_SAMU			(1 << 10)
222 
223 /* max cursor sizes (in pixels) */
224 #define CURSOR_WIDTH 64
225 #define CURSOR_HEIGHT 64
226 
227 #define CIK_CURSOR_WIDTH 128
228 #define CIK_CURSOR_HEIGHT 128
229 
230 /*
231  * Errata workarounds.
232  */
233 enum radeon_pll_errata {
234 	CHIP_ERRATA_R300_CG             = 0x00000001,
235 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
236 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
237 };
238 
239 
240 struct radeon_device;
241 
242 
243 /*
244  * BIOS.
245  */
246 bool radeon_get_bios(struct radeon_device *rdev);
247 
248 /*
249  * Dummy page
250  */
251 struct radeon_dummy_page {
252 	uint64_t	entry;
253 	struct page	*page;
254 	dma_addr_t	addr;
255 };
256 int radeon_dummy_page_init(struct radeon_device *rdev);
257 void radeon_dummy_page_fini(struct radeon_device *rdev);
258 
259 
260 /*
261  * Clocks
262  */
263 struct radeon_clock {
264 	struct radeon_pll p1pll;
265 	struct radeon_pll p2pll;
266 	struct radeon_pll dcpll;
267 	struct radeon_pll spll;
268 	struct radeon_pll mpll;
269 	/* 10 Khz units */
270 	uint32_t default_mclk;
271 	uint32_t default_sclk;
272 	uint32_t default_dispclk;
273 	uint32_t current_dispclk;
274 	uint32_t dp_extclk;
275 	uint32_t max_pixel_clock;
276 	uint32_t vco_freq;
277 };
278 
279 /*
280  * Power management
281  */
282 int radeon_pm_init(struct radeon_device *rdev);
283 int radeon_pm_late_init(struct radeon_device *rdev);
284 void radeon_pm_fini(struct radeon_device *rdev);
285 void radeon_pm_compute_clocks(struct radeon_device *rdev);
286 void radeon_pm_suspend(struct radeon_device *rdev);
287 void radeon_pm_resume(struct radeon_device *rdev);
288 void radeon_combios_get_power_modes(struct radeon_device *rdev);
289 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
290 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
291 				   u8 clock_type,
292 				   u32 clock,
293 				   bool strobe_mode,
294 				   struct atom_clock_dividers *dividers);
295 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
296 					u32 clock,
297 					bool strobe_mode,
298 					struct atom_mpll_param *mpll_param);
299 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
300 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
301 					  u16 voltage_level, u8 voltage_type,
302 					  u32 *gpio_value, u32 *gpio_mask);
303 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
304 					 u32 eng_clock, u32 mem_clock);
305 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
306 				 u8 voltage_type, u16 *voltage_step);
307 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
308 			     u16 voltage_id, u16 *voltage);
309 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
310 						      u16 *voltage,
311 						      u16 leakage_idx);
312 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
313 					  u16 *leakage_id);
314 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
315 							 u16 *vddc, u16 *vddci,
316 							 u16 virtual_voltage_id,
317 							 u16 vbios_voltage_id);
318 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
319 				u16 virtual_voltage_id,
320 				u16 *voltage);
321 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
322 				      u8 voltage_type,
323 				      u16 nominal_voltage,
324 				      u16 *true_voltage);
325 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
326 				u8 voltage_type, u16 *min_voltage);
327 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
328 				u8 voltage_type, u16 *max_voltage);
329 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
330 				  u8 voltage_type, u8 voltage_mode,
331 				  struct atom_voltage_table *voltage_table);
332 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
333 				 u8 voltage_type, u8 voltage_mode);
334 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
335 			      u8 voltage_type,
336 			      u8 *svd_gpio_id, u8 *svc_gpio_id);
337 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
338 				   u32 mem_clock);
339 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
340 			       u32 mem_clock);
341 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
342 				  u8 module_index,
343 				  struct atom_mc_reg_table *reg_table);
344 int radeon_atom_get_memory_info(struct radeon_device *rdev,
345 				u8 module_index, struct atom_memory_info *mem_info);
346 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
347 				     bool gddr5, u8 module_index,
348 				     struct atom_memory_clock_range_table *mclk_range_table);
349 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
350 			     u16 voltage_id, u16 *voltage);
351 void rs690_pm_info(struct radeon_device *rdev);
352 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
353 				    unsigned *bankh, unsigned *mtaspect,
354 				    unsigned *tile_split);
355 
356 /*
357  * Fences.
358  */
359 struct radeon_fence_driver {
360 	struct radeon_device		*rdev;
361 	uint32_t			scratch_reg;
362 	uint64_t			gpu_addr;
363 	volatile uint32_t		*cpu_addr;
364 	/* sync_seq is protected by ring emission lock */
365 	uint64_t			sync_seq[RADEON_NUM_RINGS];
366 	atomic64_t			last_seq;
367 	bool				initialized, delayed_irq;
368 	struct delayed_work		lockup_work;
369 };
370 
371 struct radeon_fence {
372 	struct dma_fence		base;
373 
374 	struct radeon_device	*rdev;
375 	uint64_t		seq;
376 	/* RB, DMA, etc. */
377 	unsigned		ring;
378 	bool			is_vm_update;
379 
380 	wait_queue_entry_t		fence_wake;
381 };
382 
383 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
384 int radeon_fence_driver_init(struct radeon_device *rdev);
385 void radeon_fence_driver_fini(struct radeon_device *rdev);
386 void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring);
387 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
388 void radeon_fence_process(struct radeon_device *rdev, int ring);
389 bool radeon_fence_signaled(struct radeon_fence *fence);
390 long radeon_fence_wait_timeout(struct radeon_fence *fence, bool interruptible, long timeout);
391 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
392 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
393 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring);
394 int radeon_fence_wait_any(struct radeon_device *rdev,
395 			  struct radeon_fence **fences,
396 			  bool intr);
397 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
398 void radeon_fence_unref(struct radeon_fence **fence);
399 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
400 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
401 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
radeon_fence_later(struct radeon_fence * a,struct radeon_fence * b)402 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
403 						      struct radeon_fence *b)
404 {
405 	if (!a) {
406 		return b;
407 	}
408 
409 	if (!b) {
410 		return a;
411 	}
412 
413 	BUG_ON(a->ring != b->ring);
414 
415 	if (a->seq > b->seq) {
416 		return a;
417 	} else {
418 		return b;
419 	}
420 }
421 
radeon_fence_is_earlier(struct radeon_fence * a,struct radeon_fence * b)422 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
423 					   struct radeon_fence *b)
424 {
425 	if (!a) {
426 		return false;
427 	}
428 
429 	if (!b) {
430 		return true;
431 	}
432 
433 	BUG_ON(a->ring != b->ring);
434 
435 	return a->seq < b->seq;
436 }
437 
438 /*
439  * Tiling registers
440  */
441 struct radeon_surface_reg {
442 	struct radeon_bo *bo;
443 };
444 
445 #define RADEON_GEM_MAX_SURFACES 8
446 
447 /*
448  * TTM.
449  */
450 struct radeon_mman {
451 	struct ttm_bo_global_ref        bo_global_ref;
452 	struct drm_global_reference	mem_global_ref;
453 	struct ttm_bo_device		bdev;
454 	bool				mem_global_referenced;
455 	bool				initialized;
456 
457 #if defined(CONFIG_DEBUG_FS)
458 	struct dentry			*vram;
459 	struct dentry			*gtt;
460 #endif
461 };
462 
463 struct radeon_bo_list {
464 	struct radeon_bo		*robj;
465 	struct ttm_validate_buffer	tv;
466 	uint64_t			gpu_offset;
467 	unsigned			preferred_domains;
468 	unsigned			allowed_domains;
469 	uint32_t			tiling_flags;
470 };
471 
472 /* bo virtual address in a specific vm */
473 struct radeon_bo_va {
474 	/* protected by bo being reserved */
475 	struct list_head		bo_list;
476 	uint32_t			flags;
477 	struct radeon_fence		*last_pt_update;
478 	unsigned			ref_count;
479 
480 	/* protected by vm mutex */
481 	struct interval_tree_node	it;
482 	struct list_head		vm_status;
483 
484 	/* constant after initialization */
485 	struct radeon_vm		*vm;
486 	struct radeon_bo		*bo;
487 };
488 
489 struct radeon_bo {
490 	/* Protected by gem.mutex */
491 	struct list_head		list;
492 	/* Protected by tbo.reserved */
493 	u32				initial_domain;
494 	struct ttm_place		placements[4];
495 	struct ttm_placement		placement;
496 	struct ttm_buffer_object	tbo;
497 	struct ttm_bo_kmap_obj		kmap;
498 	u32				flags;
499 	unsigned			pin_count;
500 	void				*kptr;
501 	u32				tiling_flags;
502 	u32				pitch;
503 	int				surface_reg;
504 	unsigned			prime_shared_count;
505 	/* list of all virtual address to which this bo
506 	 * is associated to
507 	 */
508 	struct list_head		va;
509 	/* Constant after initialization */
510 	struct radeon_device		*rdev;
511 	struct drm_gem_object		gem_base;
512 
513 	struct ttm_bo_kmap_obj		dma_buf_vmap;
514 	pid_t				pid;
515 
516 	struct radeon_mn		*mn;
517 	struct list_head		mn_list;
518 };
519 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
520 
521 int radeon_gem_debugfs_init(struct radeon_device *rdev);
522 
523 /* sub-allocation manager, it has to be protected by another lock.
524  * By conception this is an helper for other part of the driver
525  * like the indirect buffer or semaphore, which both have their
526  * locking.
527  *
528  * Principe is simple, we keep a list of sub allocation in offset
529  * order (first entry has offset == 0, last entry has the highest
530  * offset).
531  *
532  * When allocating new object we first check if there is room at
533  * the end total_size - (last_object_offset + last_object_size) >=
534  * alloc_size. If so we allocate new object there.
535  *
536  * When there is not enough room at the end, we start waiting for
537  * each sub object until we reach object_offset+object_size >=
538  * alloc_size, this object then become the sub object we return.
539  *
540  * Alignment can't be bigger than page size.
541  *
542  * Hole are not considered for allocation to keep things simple.
543  * Assumption is that there won't be hole (all object on same
544  * alignment).
545  */
546 struct radeon_sa_manager {
547 	wait_queue_head_t	wq;
548 	struct radeon_bo	*bo;
549 	struct list_head	*hole;
550 	struct list_head	flist[RADEON_NUM_RINGS];
551 	struct list_head	olist;
552 	unsigned		size;
553 	uint64_t		gpu_addr;
554 	void			*cpu_ptr;
555 	uint32_t		domain;
556 	uint32_t		align;
557 };
558 
559 struct radeon_sa_bo;
560 
561 /* sub-allocation buffer */
562 struct radeon_sa_bo {
563 	struct list_head		olist;
564 	struct list_head		flist;
565 	struct radeon_sa_manager	*manager;
566 	unsigned			soffset;
567 	unsigned			eoffset;
568 	struct radeon_fence		*fence;
569 };
570 
571 /*
572  * GEM objects.
573  */
574 struct radeon_gem {
575 	struct mutex		mutex;
576 	struct list_head	objects;
577 };
578 
579 int radeon_gem_init(struct radeon_device *rdev);
580 void radeon_gem_fini(struct radeon_device *rdev);
581 int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
582 				int alignment, int initial_domain,
583 				u32 flags, bool kernel,
584 				struct drm_gem_object **obj);
585 
586 int radeon_mode_dumb_create(struct drm_file *file_priv,
587 			    struct drm_device *dev,
588 			    struct drm_mode_create_dumb *args);
589 int radeon_mode_dumb_mmap(struct drm_file *filp,
590 			  struct drm_device *dev,
591 			  uint32_t handle, uint64_t *offset_p);
592 
593 /*
594  * Semaphores.
595  */
596 struct radeon_semaphore {
597 	struct radeon_sa_bo	*sa_bo;
598 	signed			waiters;
599 	uint64_t		gpu_addr;
600 };
601 
602 int radeon_semaphore_create(struct radeon_device *rdev,
603 			    struct radeon_semaphore **semaphore);
604 bool radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
605 				  struct radeon_semaphore *semaphore);
606 bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
607 				struct radeon_semaphore *semaphore);
608 void radeon_semaphore_free(struct radeon_device *rdev,
609 			   struct radeon_semaphore **semaphore,
610 			   struct radeon_fence *fence);
611 
612 /*
613  * Synchronization
614  */
615 struct radeon_sync {
616 	struct radeon_semaphore *semaphores[RADEON_NUM_SYNCS];
617 	struct radeon_fence	*sync_to[RADEON_NUM_RINGS];
618 	struct radeon_fence	*last_vm_update;
619 };
620 
621 void radeon_sync_create(struct radeon_sync *sync);
622 void radeon_sync_fence(struct radeon_sync *sync,
623 		       struct radeon_fence *fence);
624 int radeon_sync_resv(struct radeon_device *rdev,
625 		     struct radeon_sync *sync,
626 		     struct reservation_object *resv,
627 		     bool shared);
628 int radeon_sync_rings(struct radeon_device *rdev,
629 		      struct radeon_sync *sync,
630 		      int waiting_ring);
631 void radeon_sync_free(struct radeon_device *rdev, struct radeon_sync *sync,
632 		      struct radeon_fence *fence);
633 
634 /*
635  * GART structures, functions & helpers
636  */
637 struct radeon_mc;
638 
639 #define RADEON_GPU_PAGE_SIZE 4096
640 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
641 #define RADEON_GPU_PAGE_SHIFT 12
642 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
643 
644 #define RADEON_GART_PAGE_DUMMY  0
645 #define RADEON_GART_PAGE_VALID	(1 << 0)
646 #define RADEON_GART_PAGE_READ	(1 << 1)
647 #define RADEON_GART_PAGE_WRITE	(1 << 2)
648 #define RADEON_GART_PAGE_SNOOP	(1 << 3)
649 
650 struct radeon_gart {
651 	dma_addr_t			table_addr;
652 	struct radeon_bo		*robj;
653 	void				*ptr;
654 	unsigned			num_gpu_pages;
655 	unsigned			num_cpu_pages;
656 	unsigned			table_size;
657 	struct page			**pages;
658 	uint64_t			*pages_entry;
659 	bool				ready;
660 };
661 
662 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
663 void radeon_gart_table_ram_free(struct radeon_device *rdev);
664 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
665 void radeon_gart_table_vram_free(struct radeon_device *rdev);
666 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
667 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
668 int radeon_gart_init(struct radeon_device *rdev);
669 void radeon_gart_fini(struct radeon_device *rdev);
670 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
671 			int pages);
672 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
673 		     int pages, struct page **pagelist,
674 		     dma_addr_t *dma_addr, uint32_t flags);
675 
676 
677 /*
678  * GPU MC structures, functions & helpers
679  */
680 struct radeon_mc {
681 	resource_size_t		aper_size;
682 	resource_size_t		aper_base;
683 	resource_size_t		agp_base;
684 	/* for some chips with <= 32MB we need to lie
685 	 * about vram size near mc fb location */
686 	u64			mc_vram_size;
687 	u64			visible_vram_size;
688 	u64			gtt_size;
689 	u64			gtt_start;
690 	u64			gtt_end;
691 	u64			vram_start;
692 	u64			vram_end;
693 	unsigned		vram_width;
694 	u64			real_vram_size;
695 	int			vram_mtrr;
696 	bool			vram_is_ddr;
697 	bool			igp_sideport_enabled;
698 	u64                     gtt_base_align;
699 	u64                     mc_mask;
700 };
701 
702 bool radeon_combios_sideport_present(struct radeon_device *rdev);
703 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
704 
705 /*
706  * GPU scratch registers structures, functions & helpers
707  */
708 struct radeon_scratch {
709 	unsigned		num_reg;
710 	uint32_t                reg_base;
711 	bool			free[32];
712 	uint32_t		reg[32];
713 };
714 
715 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
716 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
717 
718 /*
719  * GPU doorbell structures, functions & helpers
720  */
721 #define RADEON_MAX_DOORBELLS 1024	/* Reserve at most 1024 doorbell slots for radeon-owned rings. */
722 
723 struct radeon_doorbell {
724 	/* doorbell mmio */
725 	resource_size_t		base;
726 	resource_size_t		size;
727 	u32 __iomem		*ptr;
728 	u32			num_doorbells;	/* Number of doorbells actually reserved for radeon. */
729 	DECLARE_BITMAP(used, RADEON_MAX_DOORBELLS);
730 };
731 
732 int radeon_doorbell_get(struct radeon_device *rdev, u32 *page);
733 void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell);
734 
735 /*
736  * IRQS.
737  */
738 
739 struct radeon_flip_work {
740 	struct work_struct		flip_work;
741 	struct work_struct		unpin_work;
742 	struct radeon_device		*rdev;
743 	int				crtc_id;
744 	u32				target_vblank;
745 	uint64_t			base;
746 	struct drm_pending_vblank_event *event;
747 	struct radeon_bo		*old_rbo;
748 	struct dma_fence		*fence;
749 	bool				async;
750 };
751 
752 struct r500_irq_stat_regs {
753 	u32 disp_int;
754 	u32 hdmi0_status;
755 };
756 
757 struct r600_irq_stat_regs {
758 	u32 disp_int;
759 	u32 disp_int_cont;
760 	u32 disp_int_cont2;
761 	u32 d1grph_int;
762 	u32 d2grph_int;
763 	u32 hdmi0_status;
764 	u32 hdmi1_status;
765 };
766 
767 struct evergreen_irq_stat_regs {
768 	u32 disp_int[6];
769 	u32 grph_int[6];
770 	u32 afmt_status[6];
771 };
772 
773 struct cik_irq_stat_regs {
774 	u32 disp_int;
775 	u32 disp_int_cont;
776 	u32 disp_int_cont2;
777 	u32 disp_int_cont3;
778 	u32 disp_int_cont4;
779 	u32 disp_int_cont5;
780 	u32 disp_int_cont6;
781 	u32 d1grph_int;
782 	u32 d2grph_int;
783 	u32 d3grph_int;
784 	u32 d4grph_int;
785 	u32 d5grph_int;
786 	u32 d6grph_int;
787 };
788 
789 union radeon_irq_stat_regs {
790 	struct r500_irq_stat_regs r500;
791 	struct r600_irq_stat_regs r600;
792 	struct evergreen_irq_stat_regs evergreen;
793 	struct cik_irq_stat_regs cik;
794 };
795 
796 struct radeon_irq {
797 	bool				installed;
798 	spinlock_t			lock;
799 	atomic_t			ring_int[RADEON_NUM_RINGS];
800 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
801 	atomic_t			pflip[RADEON_MAX_CRTCS];
802 	wait_queue_head_t		vblank_queue;
803 	bool				hpd[RADEON_MAX_HPD_PINS];
804 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
805 	union radeon_irq_stat_regs	stat_regs;
806 	bool				dpm_thermal;
807 };
808 
809 int radeon_irq_kms_init(struct radeon_device *rdev);
810 void radeon_irq_kms_fini(struct radeon_device *rdev);
811 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
812 bool radeon_irq_kms_sw_irq_get_delayed(struct radeon_device *rdev, int ring);
813 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
814 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
815 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
816 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
817 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
818 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
819 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
820 
821 /*
822  * CP & rings.
823  */
824 
825 struct radeon_ib {
826 	struct radeon_sa_bo		*sa_bo;
827 	uint32_t			length_dw;
828 	uint64_t			gpu_addr;
829 	uint32_t			*ptr;
830 	int				ring;
831 	struct radeon_fence		*fence;
832 	struct radeon_vm		*vm;
833 	bool				is_const_ib;
834 	struct radeon_sync		sync;
835 };
836 
837 struct radeon_ring {
838 	struct radeon_bo	*ring_obj;
839 	volatile uint32_t	*ring;
840 	unsigned		rptr_offs;
841 	unsigned		rptr_save_reg;
842 	u64			next_rptr_gpu_addr;
843 	volatile u32		*next_rptr_cpu_addr;
844 	unsigned		wptr;
845 	unsigned		wptr_old;
846 	unsigned		ring_size;
847 	unsigned		ring_free_dw;
848 	int			count_dw;
849 	atomic_t		last_rptr;
850 	atomic64_t		last_activity;
851 	uint64_t		gpu_addr;
852 	uint32_t		align_mask;
853 	uint32_t		ptr_mask;
854 	bool			ready;
855 	u32			nop;
856 	u32			idx;
857 	u64			last_semaphore_signal_addr;
858 	u64			last_semaphore_wait_addr;
859 	/* for CIK queues */
860 	u32 me;
861 	u32 pipe;
862 	u32 queue;
863 	struct radeon_bo	*mqd_obj;
864 	u32 doorbell_index;
865 	unsigned		wptr_offs;
866 };
867 
868 struct radeon_mec {
869 	struct radeon_bo	*hpd_eop_obj;
870 	u64			hpd_eop_gpu_addr;
871 	u32 num_pipe;
872 	u32 num_mec;
873 	u32 num_queue;
874 };
875 
876 /*
877  * VM
878  */
879 
880 /* maximum number of VMIDs */
881 #define RADEON_NUM_VM	16
882 
883 /* number of entries in page table */
884 #define RADEON_VM_PTE_COUNT (1 << radeon_vm_block_size)
885 
886 /* PTBs (Page Table Blocks) need to be aligned to 32K */
887 #define RADEON_VM_PTB_ALIGN_SIZE   32768
888 #define RADEON_VM_PTB_ALIGN_MASK (RADEON_VM_PTB_ALIGN_SIZE - 1)
889 #define RADEON_VM_PTB_ALIGN(a) (((a) + RADEON_VM_PTB_ALIGN_MASK) & ~RADEON_VM_PTB_ALIGN_MASK)
890 
891 #define R600_PTE_VALID		(1 << 0)
892 #define R600_PTE_SYSTEM		(1 << 1)
893 #define R600_PTE_SNOOPED	(1 << 2)
894 #define R600_PTE_READABLE	(1 << 5)
895 #define R600_PTE_WRITEABLE	(1 << 6)
896 
897 /* PTE (Page Table Entry) fragment field for different page sizes */
898 #define R600_PTE_FRAG_4KB	(0 << 7)
899 #define R600_PTE_FRAG_64KB	(4 << 7)
900 #define R600_PTE_FRAG_256KB	(6 << 7)
901 
902 /* flags needed to be set so we can copy directly from the GART table */
903 #define R600_PTE_GART_MASK	( R600_PTE_READABLE | R600_PTE_WRITEABLE | \
904 				  R600_PTE_SYSTEM | R600_PTE_VALID )
905 
906 struct radeon_vm_pt {
907 	struct radeon_bo		*bo;
908 	uint64_t			addr;
909 };
910 
911 struct radeon_vm_id {
912 	unsigned		id;
913 	uint64_t		pd_gpu_addr;
914 	/* last flushed PD/PT update */
915 	struct radeon_fence	*flushed_updates;
916 	/* last use of vmid */
917 	struct radeon_fence	*last_id_use;
918 };
919 
920 struct radeon_vm {
921 	struct mutex		mutex;
922 
923 	struct rb_root_cached	va;
924 
925 	/* protecting invalidated and freed */
926 	spinlock_t		status_lock;
927 
928 	/* BOs moved, but not yet updated in the PT */
929 	struct list_head	invalidated;
930 
931 	/* BOs freed, but not yet updated in the PT */
932 	struct list_head	freed;
933 
934 	/* BOs cleared in the PT */
935 	struct list_head	cleared;
936 
937 	/* contains the page directory */
938 	struct radeon_bo	*page_directory;
939 	unsigned		max_pde_used;
940 
941 	/* array of page tables, one for each page directory entry */
942 	struct radeon_vm_pt	*page_tables;
943 
944 	struct radeon_bo_va	*ib_bo_va;
945 
946 	/* for id and flush management per ring */
947 	struct radeon_vm_id	ids[RADEON_NUM_RINGS];
948 };
949 
950 struct radeon_vm_manager {
951 	struct radeon_fence		*active[RADEON_NUM_VM];
952 	uint32_t			max_pfn;
953 	/* number of VMIDs */
954 	unsigned			nvm;
955 	/* vram base address for page table entry  */
956 	u64				vram_base_offset;
957 	/* is vm enabled? */
958 	bool				enabled;
959 	/* for hw to save the PD addr on suspend/resume */
960 	uint32_t			saved_table_addr[RADEON_NUM_VM];
961 };
962 
963 /*
964  * file private structure
965  */
966 struct radeon_fpriv {
967 	struct radeon_vm		vm;
968 };
969 
970 /*
971  * R6xx+ IH ring
972  */
973 struct r600_ih {
974 	struct radeon_bo	*ring_obj;
975 	volatile uint32_t	*ring;
976 	unsigned		rptr;
977 	unsigned		ring_size;
978 	uint64_t		gpu_addr;
979 	uint32_t		ptr_mask;
980 	atomic_t		lock;
981 	bool                    enabled;
982 };
983 
984 /*
985  * RLC stuff
986  */
987 #include "clearstate_defs.h"
988 
989 struct radeon_rlc {
990 	/* for power gating */
991 	struct radeon_bo	*save_restore_obj;
992 	uint64_t		save_restore_gpu_addr;
993 	volatile uint32_t	*sr_ptr;
994 	const u32               *reg_list;
995 	u32                     reg_list_size;
996 	/* for clear state */
997 	struct radeon_bo	*clear_state_obj;
998 	uint64_t		clear_state_gpu_addr;
999 	volatile uint32_t	*cs_ptr;
1000 	const struct cs_section_def   *cs_data;
1001 	u32                     clear_state_size;
1002 	/* for cp tables */
1003 	struct radeon_bo	*cp_table_obj;
1004 	uint64_t		cp_table_gpu_addr;
1005 	volatile uint32_t	*cp_table_ptr;
1006 	u32                     cp_table_size;
1007 };
1008 
1009 int radeon_ib_get(struct radeon_device *rdev, int ring,
1010 		  struct radeon_ib *ib, struct radeon_vm *vm,
1011 		  unsigned size);
1012 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
1013 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
1014 		       struct radeon_ib *const_ib, bool hdp_flush);
1015 int radeon_ib_pool_init(struct radeon_device *rdev);
1016 void radeon_ib_pool_fini(struct radeon_device *rdev);
1017 int radeon_ib_ring_tests(struct radeon_device *rdev);
1018 /* Ring access between begin & end cannot sleep */
1019 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
1020 				      struct radeon_ring *ring);
1021 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
1022 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
1023 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
1024 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
1025 			bool hdp_flush);
1026 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
1027 			       bool hdp_flush);
1028 void radeon_ring_undo(struct radeon_ring *ring);
1029 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
1030 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
1031 void radeon_ring_lockup_update(struct radeon_device *rdev,
1032 			       struct radeon_ring *ring);
1033 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
1034 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
1035 			    uint32_t **data);
1036 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
1037 			unsigned size, uint32_t *data);
1038 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
1039 		     unsigned rptr_offs, u32 nop);
1040 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
1041 
1042 
1043 /* r600 async dma */
1044 void r600_dma_stop(struct radeon_device *rdev);
1045 int r600_dma_resume(struct radeon_device *rdev);
1046 void r600_dma_fini(struct radeon_device *rdev);
1047 
1048 void cayman_dma_stop(struct radeon_device *rdev);
1049 int cayman_dma_resume(struct radeon_device *rdev);
1050 void cayman_dma_fini(struct radeon_device *rdev);
1051 
1052 /*
1053  * CS.
1054  */
1055 struct radeon_cs_chunk {
1056 	uint32_t		length_dw;
1057 	uint32_t		*kdata;
1058 	void __user		*user_ptr;
1059 };
1060 
1061 struct radeon_cs_parser {
1062 	struct device		*dev;
1063 	struct radeon_device	*rdev;
1064 	struct drm_file		*filp;
1065 	/* chunks */
1066 	unsigned		nchunks;
1067 	struct radeon_cs_chunk	*chunks;
1068 	uint64_t		*chunks_array;
1069 	/* IB */
1070 	unsigned		idx;
1071 	/* relocations */
1072 	unsigned		nrelocs;
1073 	struct radeon_bo_list	*relocs;
1074 	struct radeon_bo_list	*vm_bos;
1075 	struct list_head	validated;
1076 	unsigned		dma_reloc_idx;
1077 	/* indices of various chunks */
1078 	struct radeon_cs_chunk  *chunk_ib;
1079 	struct radeon_cs_chunk  *chunk_relocs;
1080 	struct radeon_cs_chunk  *chunk_flags;
1081 	struct radeon_cs_chunk  *chunk_const_ib;
1082 	struct radeon_ib	ib;
1083 	struct radeon_ib	const_ib;
1084 	void			*track;
1085 	unsigned		family;
1086 	int			parser_error;
1087 	u32			cs_flags;
1088 	u32			ring;
1089 	s32			priority;
1090 	struct ww_acquire_ctx	ticket;
1091 };
1092 
radeon_get_ib_value(struct radeon_cs_parser * p,int idx)1093 static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
1094 {
1095 	struct radeon_cs_chunk *ibc = p->chunk_ib;
1096 
1097 	if (ibc->kdata)
1098 		return ibc->kdata[idx];
1099 	return p->ib.ptr[idx];
1100 }
1101 
1102 
1103 struct radeon_cs_packet {
1104 	unsigned	idx;
1105 	unsigned	type;
1106 	unsigned	reg;
1107 	unsigned	opcode;
1108 	int		count;
1109 	unsigned	one_reg_wr;
1110 };
1111 
1112 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
1113 				      struct radeon_cs_packet *pkt,
1114 				      unsigned idx, unsigned reg);
1115 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
1116 				      struct radeon_cs_packet *pkt);
1117 
1118 
1119 /*
1120  * AGP
1121  */
1122 int radeon_agp_init(struct radeon_device *rdev);
1123 void radeon_agp_resume(struct radeon_device *rdev);
1124 void radeon_agp_suspend(struct radeon_device *rdev);
1125 void radeon_agp_fini(struct radeon_device *rdev);
1126 
1127 
1128 /*
1129  * Writeback
1130  */
1131 struct radeon_wb {
1132 	struct radeon_bo	*wb_obj;
1133 	volatile uint32_t	*wb;
1134 	uint64_t		gpu_addr;
1135 	bool                    enabled;
1136 	bool                    use_event;
1137 };
1138 
1139 #define RADEON_WB_SCRATCH_OFFSET 0
1140 #define RADEON_WB_RING0_NEXT_RPTR 256
1141 #define RADEON_WB_CP_RPTR_OFFSET 1024
1142 #define RADEON_WB_CP1_RPTR_OFFSET 1280
1143 #define RADEON_WB_CP2_RPTR_OFFSET 1536
1144 #define R600_WB_DMA_RPTR_OFFSET   1792
1145 #define R600_WB_IH_WPTR_OFFSET   2048
1146 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
1147 #define R600_WB_EVENT_OFFSET     3072
1148 #define CIK_WB_CP1_WPTR_OFFSET     3328
1149 #define CIK_WB_CP2_WPTR_OFFSET     3584
1150 #define R600_WB_DMA_RING_TEST_OFFSET 3588
1151 #define CAYMAN_WB_DMA1_RING_TEST_OFFSET 3592
1152 
1153 /**
1154  * struct radeon_pm - power management datas
1155  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
1156  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
1157  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
1158  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
1159  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
1160  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
1161  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
1162  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
1163  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
1164  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
1165  * @needed_bandwidth:   current bandwidth needs
1166  *
1167  * It keeps track of various data needed to take powermanagement decision.
1168  * Bandwidth need is used to determine minimun clock of the GPU and memory.
1169  * Equation between gpu/memory clock and available bandwidth is hw dependent
1170  * (type of memory, bus size, efficiency, ...)
1171  */
1172 
1173 enum radeon_pm_method {
1174 	PM_METHOD_PROFILE,
1175 	PM_METHOD_DYNPM,
1176 	PM_METHOD_DPM,
1177 };
1178 
1179 enum radeon_dynpm_state {
1180 	DYNPM_STATE_DISABLED,
1181 	DYNPM_STATE_MINIMUM,
1182 	DYNPM_STATE_PAUSED,
1183 	DYNPM_STATE_ACTIVE,
1184 	DYNPM_STATE_SUSPENDED,
1185 };
1186 enum radeon_dynpm_action {
1187 	DYNPM_ACTION_NONE,
1188 	DYNPM_ACTION_MINIMUM,
1189 	DYNPM_ACTION_DOWNCLOCK,
1190 	DYNPM_ACTION_UPCLOCK,
1191 	DYNPM_ACTION_DEFAULT
1192 };
1193 
1194 enum radeon_voltage_type {
1195 	VOLTAGE_NONE = 0,
1196 	VOLTAGE_GPIO,
1197 	VOLTAGE_VDDC,
1198 	VOLTAGE_SW
1199 };
1200 
1201 enum radeon_pm_state_type {
1202 	/* not used for dpm */
1203 	POWER_STATE_TYPE_DEFAULT,
1204 	POWER_STATE_TYPE_POWERSAVE,
1205 	/* user selectable states */
1206 	POWER_STATE_TYPE_BATTERY,
1207 	POWER_STATE_TYPE_BALANCED,
1208 	POWER_STATE_TYPE_PERFORMANCE,
1209 	/* internal states */
1210 	POWER_STATE_TYPE_INTERNAL_UVD,
1211 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
1212 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
1213 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
1214 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
1215 	POWER_STATE_TYPE_INTERNAL_BOOT,
1216 	POWER_STATE_TYPE_INTERNAL_THERMAL,
1217 	POWER_STATE_TYPE_INTERNAL_ACPI,
1218 	POWER_STATE_TYPE_INTERNAL_ULV,
1219 	POWER_STATE_TYPE_INTERNAL_3DPERF,
1220 };
1221 
1222 enum radeon_pm_profile_type {
1223 	PM_PROFILE_DEFAULT,
1224 	PM_PROFILE_AUTO,
1225 	PM_PROFILE_LOW,
1226 	PM_PROFILE_MID,
1227 	PM_PROFILE_HIGH,
1228 };
1229 
1230 #define PM_PROFILE_DEFAULT_IDX 0
1231 #define PM_PROFILE_LOW_SH_IDX  1
1232 #define PM_PROFILE_MID_SH_IDX  2
1233 #define PM_PROFILE_HIGH_SH_IDX 3
1234 #define PM_PROFILE_LOW_MH_IDX  4
1235 #define PM_PROFILE_MID_MH_IDX  5
1236 #define PM_PROFILE_HIGH_MH_IDX 6
1237 #define PM_PROFILE_MAX         7
1238 
1239 struct radeon_pm_profile {
1240 	int dpms_off_ps_idx;
1241 	int dpms_on_ps_idx;
1242 	int dpms_off_cm_idx;
1243 	int dpms_on_cm_idx;
1244 };
1245 
1246 enum radeon_int_thermal_type {
1247 	THERMAL_TYPE_NONE,
1248 	THERMAL_TYPE_EXTERNAL,
1249 	THERMAL_TYPE_EXTERNAL_GPIO,
1250 	THERMAL_TYPE_RV6XX,
1251 	THERMAL_TYPE_RV770,
1252 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
1253 	THERMAL_TYPE_EVERGREEN,
1254 	THERMAL_TYPE_SUMO,
1255 	THERMAL_TYPE_NI,
1256 	THERMAL_TYPE_SI,
1257 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
1258 	THERMAL_TYPE_CI,
1259 	THERMAL_TYPE_KV,
1260 };
1261 
1262 struct radeon_voltage {
1263 	enum radeon_voltage_type type;
1264 	/* gpio voltage */
1265 	struct radeon_gpio_rec gpio;
1266 	u32 delay; /* delay in usec from voltage drop to sclk change */
1267 	bool active_high; /* voltage drop is active when bit is high */
1268 	/* VDDC voltage */
1269 	u8 vddc_id; /* index into vddc voltage table */
1270 	u8 vddci_id; /* index into vddci voltage table */
1271 	bool vddci_enabled;
1272 	/* r6xx+ sw */
1273 	u16 voltage;
1274 	/* evergreen+ vddci */
1275 	u16 vddci;
1276 };
1277 
1278 /* clock mode flags */
1279 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1280 
1281 struct radeon_pm_clock_info {
1282 	/* memory clock */
1283 	u32 mclk;
1284 	/* engine clock */
1285 	u32 sclk;
1286 	/* voltage info */
1287 	struct radeon_voltage voltage;
1288 	/* standardized clock flags */
1289 	u32 flags;
1290 };
1291 
1292 /* state flags */
1293 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1294 
1295 struct radeon_power_state {
1296 	enum radeon_pm_state_type type;
1297 	struct radeon_pm_clock_info *clock_info;
1298 	/* number of valid clock modes in this power state */
1299 	int num_clock_modes;
1300 	struct radeon_pm_clock_info *default_clock_mode;
1301 	/* standardized state flags */
1302 	u32 flags;
1303 	u32 misc; /* vbios specific flags */
1304 	u32 misc2; /* vbios specific flags */
1305 	int pcie_lanes; /* pcie lanes */
1306 };
1307 
1308 /*
1309  * Some modes are overclocked by very low value, accept them
1310  */
1311 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1312 
1313 enum radeon_dpm_auto_throttle_src {
1314 	RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL,
1315 	RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1316 };
1317 
1318 enum radeon_dpm_event_src {
1319 	RADEON_DPM_EVENT_SRC_ANALOG = 0,
1320 	RADEON_DPM_EVENT_SRC_EXTERNAL = 1,
1321 	RADEON_DPM_EVENT_SRC_DIGITAL = 2,
1322 	RADEON_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
1323 	RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
1324 };
1325 
1326 #define RADEON_MAX_VCE_LEVELS 6
1327 
1328 enum radeon_vce_level {
1329 	RADEON_VCE_LEVEL_AC_ALL = 0,     /* AC, All cases */
1330 	RADEON_VCE_LEVEL_DC_EE = 1,      /* DC, entropy encoding */
1331 	RADEON_VCE_LEVEL_DC_LL_LOW = 2,  /* DC, low latency queue, res <= 720 */
1332 	RADEON_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
1333 	RADEON_VCE_LEVEL_DC_GP_LOW = 4,  /* DC, general purpose queue, res <= 720 */
1334 	RADEON_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
1335 };
1336 
1337 struct radeon_ps {
1338 	u32 caps; /* vbios flags */
1339 	u32 class; /* vbios flags */
1340 	u32 class2; /* vbios flags */
1341 	/* UVD clocks */
1342 	u32 vclk;
1343 	u32 dclk;
1344 	/* VCE clocks */
1345 	u32 evclk;
1346 	u32 ecclk;
1347 	bool vce_active;
1348 	enum radeon_vce_level vce_level;
1349 	/* asic priv */
1350 	void *ps_priv;
1351 };
1352 
1353 struct radeon_dpm_thermal {
1354 	/* thermal interrupt work */
1355 	struct work_struct work;
1356 	/* low temperature threshold */
1357 	int                min_temp;
1358 	/* high temperature threshold */
1359 	int                max_temp;
1360 	/* was interrupt low to high or high to low */
1361 	bool               high_to_low;
1362 };
1363 
1364 enum radeon_clk_action
1365 {
1366 	RADEON_SCLK_UP = 1,
1367 	RADEON_SCLK_DOWN
1368 };
1369 
1370 struct radeon_blacklist_clocks
1371 {
1372 	u32 sclk;
1373 	u32 mclk;
1374 	enum radeon_clk_action action;
1375 };
1376 
1377 struct radeon_clock_and_voltage_limits {
1378 	u32 sclk;
1379 	u32 mclk;
1380 	u16 vddc;
1381 	u16 vddci;
1382 };
1383 
1384 struct radeon_clock_array {
1385 	u32 count;
1386 	u32 *values;
1387 };
1388 
1389 struct radeon_clock_voltage_dependency_entry {
1390 	u32 clk;
1391 	u16 v;
1392 };
1393 
1394 struct radeon_clock_voltage_dependency_table {
1395 	u32 count;
1396 	struct radeon_clock_voltage_dependency_entry *entries;
1397 };
1398 
1399 union radeon_cac_leakage_entry {
1400 	struct {
1401 		u16 vddc;
1402 		u32 leakage;
1403 	};
1404 	struct {
1405 		u16 vddc1;
1406 		u16 vddc2;
1407 		u16 vddc3;
1408 	};
1409 };
1410 
1411 struct radeon_cac_leakage_table {
1412 	u32 count;
1413 	union radeon_cac_leakage_entry *entries;
1414 };
1415 
1416 struct radeon_phase_shedding_limits_entry {
1417 	u16 voltage;
1418 	u32 sclk;
1419 	u32 mclk;
1420 };
1421 
1422 struct radeon_phase_shedding_limits_table {
1423 	u32 count;
1424 	struct radeon_phase_shedding_limits_entry *entries;
1425 };
1426 
1427 struct radeon_uvd_clock_voltage_dependency_entry {
1428 	u32 vclk;
1429 	u32 dclk;
1430 	u16 v;
1431 };
1432 
1433 struct radeon_uvd_clock_voltage_dependency_table {
1434 	u8 count;
1435 	struct radeon_uvd_clock_voltage_dependency_entry *entries;
1436 };
1437 
1438 struct radeon_vce_clock_voltage_dependency_entry {
1439 	u32 ecclk;
1440 	u32 evclk;
1441 	u16 v;
1442 };
1443 
1444 struct radeon_vce_clock_voltage_dependency_table {
1445 	u8 count;
1446 	struct radeon_vce_clock_voltage_dependency_entry *entries;
1447 };
1448 
1449 struct radeon_ppm_table {
1450 	u8 ppm_design;
1451 	u16 cpu_core_number;
1452 	u32 platform_tdp;
1453 	u32 small_ac_platform_tdp;
1454 	u32 platform_tdc;
1455 	u32 small_ac_platform_tdc;
1456 	u32 apu_tdp;
1457 	u32 dgpu_tdp;
1458 	u32 dgpu_ulv_power;
1459 	u32 tj_max;
1460 };
1461 
1462 struct radeon_cac_tdp_table {
1463 	u16 tdp;
1464 	u16 configurable_tdp;
1465 	u16 tdc;
1466 	u16 battery_power_limit;
1467 	u16 small_power_limit;
1468 	u16 low_cac_leakage;
1469 	u16 high_cac_leakage;
1470 	u16 maximum_power_delivery_limit;
1471 };
1472 
1473 struct radeon_dpm_dynamic_state {
1474 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
1475 	struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
1476 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
1477 	struct radeon_clock_voltage_dependency_table mvdd_dependency_on_mclk;
1478 	struct radeon_clock_voltage_dependency_table vddc_dependency_on_dispclk;
1479 	struct radeon_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
1480 	struct radeon_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
1481 	struct radeon_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
1482 	struct radeon_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
1483 	struct radeon_clock_array valid_sclk_values;
1484 	struct radeon_clock_array valid_mclk_values;
1485 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
1486 	struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
1487 	u32 mclk_sclk_ratio;
1488 	u32 sclk_mclk_delta;
1489 	u16 vddc_vddci_delta;
1490 	u16 min_vddc_for_pcie_gen2;
1491 	struct radeon_cac_leakage_table cac_leakage_table;
1492 	struct radeon_phase_shedding_limits_table phase_shedding_limits_table;
1493 	struct radeon_ppm_table *ppm_table;
1494 	struct radeon_cac_tdp_table *cac_tdp_table;
1495 };
1496 
1497 struct radeon_dpm_fan {
1498 	u16 t_min;
1499 	u16 t_med;
1500 	u16 t_high;
1501 	u16 pwm_min;
1502 	u16 pwm_med;
1503 	u16 pwm_high;
1504 	u8 t_hyst;
1505 	u32 cycle_delay;
1506 	u16 t_max;
1507 	u8 control_mode;
1508 	u16 default_max_fan_pwm;
1509 	u16 default_fan_output_sensitivity;
1510 	u16 fan_output_sensitivity;
1511 	bool ucode_fan_control;
1512 };
1513 
1514 enum radeon_pcie_gen {
1515 	RADEON_PCIE_GEN1 = 0,
1516 	RADEON_PCIE_GEN2 = 1,
1517 	RADEON_PCIE_GEN3 = 2,
1518 	RADEON_PCIE_GEN_INVALID = 0xffff
1519 };
1520 
1521 enum radeon_dpm_forced_level {
1522 	RADEON_DPM_FORCED_LEVEL_AUTO = 0,
1523 	RADEON_DPM_FORCED_LEVEL_LOW = 1,
1524 	RADEON_DPM_FORCED_LEVEL_HIGH = 2,
1525 };
1526 
1527 struct radeon_vce_state {
1528 	/* vce clocks */
1529 	u32 evclk;
1530 	u32 ecclk;
1531 	/* gpu clocks */
1532 	u32 sclk;
1533 	u32 mclk;
1534 	u8 clk_idx;
1535 	u8 pstate;
1536 };
1537 
1538 struct radeon_dpm {
1539 	struct radeon_ps        *ps;
1540 	/* number of valid power states */
1541 	int                     num_ps;
1542 	/* current power state that is active */
1543 	struct radeon_ps        *current_ps;
1544 	/* requested power state */
1545 	struct radeon_ps        *requested_ps;
1546 	/* boot up power state */
1547 	struct radeon_ps        *boot_ps;
1548 	/* default uvd power state */
1549 	struct radeon_ps        *uvd_ps;
1550 	/* vce requirements */
1551 	struct radeon_vce_state vce_states[RADEON_MAX_VCE_LEVELS];
1552 	enum radeon_vce_level vce_level;
1553 	enum radeon_pm_state_type state;
1554 	enum radeon_pm_state_type user_state;
1555 	u32                     platform_caps;
1556 	u32                     voltage_response_time;
1557 	u32                     backbias_response_time;
1558 	void                    *priv;
1559 	u32			new_active_crtcs;
1560 	int			new_active_crtc_count;
1561 	u32			current_active_crtcs;
1562 	int			current_active_crtc_count;
1563 	bool single_display;
1564 	struct radeon_dpm_dynamic_state dyn_state;
1565 	struct radeon_dpm_fan fan;
1566 	u32 tdp_limit;
1567 	u32 near_tdp_limit;
1568 	u32 near_tdp_limit_adjusted;
1569 	u32 sq_ramping_threshold;
1570 	u32 cac_leakage;
1571 	u16 tdp_od_limit;
1572 	u32 tdp_adjustment;
1573 	u16 load_line_slope;
1574 	bool power_control;
1575 	bool ac_power;
1576 	/* special states active */
1577 	bool                    thermal_active;
1578 	bool                    uvd_active;
1579 	bool                    vce_active;
1580 	/* thermal handling */
1581 	struct radeon_dpm_thermal thermal;
1582 	/* forced levels */
1583 	enum radeon_dpm_forced_level forced_level;
1584 	/* track UVD streams */
1585 	unsigned sd;
1586 	unsigned hd;
1587 };
1588 
1589 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
1590 void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
1591 
1592 struct radeon_pm {
1593 	struct mutex		mutex;
1594 	/* write locked while reprogramming mclk */
1595 	struct rw_semaphore	mclk_lock;
1596 	u32			active_crtcs;
1597 	int			active_crtc_count;
1598 	int			req_vblank;
1599 	bool			vblank_sync;
1600 	fixed20_12		max_bandwidth;
1601 	fixed20_12		igp_sideport_mclk;
1602 	fixed20_12		igp_system_mclk;
1603 	fixed20_12		igp_ht_link_clk;
1604 	fixed20_12		igp_ht_link_width;
1605 	fixed20_12		k8_bandwidth;
1606 	fixed20_12		sideport_bandwidth;
1607 	fixed20_12		ht_bandwidth;
1608 	fixed20_12		core_bandwidth;
1609 	fixed20_12		sclk;
1610 	fixed20_12		mclk;
1611 	fixed20_12		needed_bandwidth;
1612 	struct radeon_power_state *power_state;
1613 	/* number of valid power states */
1614 	int                     num_power_states;
1615 	int                     current_power_state_index;
1616 	int                     current_clock_mode_index;
1617 	int                     requested_power_state_index;
1618 	int                     requested_clock_mode_index;
1619 	int                     default_power_state_index;
1620 	u32                     current_sclk;
1621 	u32                     current_mclk;
1622 	u16                     current_vddc;
1623 	u16                     current_vddci;
1624 	u32                     default_sclk;
1625 	u32                     default_mclk;
1626 	u16                     default_vddc;
1627 	u16                     default_vddci;
1628 	struct radeon_i2c_chan *i2c_bus;
1629 	/* selected pm method */
1630 	enum radeon_pm_method     pm_method;
1631 	/* dynpm power management */
1632 	struct delayed_work	dynpm_idle_work;
1633 	enum radeon_dynpm_state	dynpm_state;
1634 	enum radeon_dynpm_action	dynpm_planned_action;
1635 	unsigned long		dynpm_action_timeout;
1636 	bool                    dynpm_can_upclock;
1637 	bool                    dynpm_can_downclock;
1638 	/* profile-based power management */
1639 	enum radeon_pm_profile_type profile;
1640 	int                     profile_index;
1641 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1642 	/* internal thermal controller on rv6xx+ */
1643 	enum radeon_int_thermal_type int_thermal_type;
1644 	struct device	        *int_hwmon_dev;
1645 	/* fan control parameters */
1646 	bool                    no_fan;
1647 	u8                      fan_pulses_per_revolution;
1648 	u8                      fan_min_rpm;
1649 	u8                      fan_max_rpm;
1650 	/* dpm */
1651 	bool                    dpm_enabled;
1652 	bool                    sysfs_initialized;
1653 	struct radeon_dpm       dpm;
1654 };
1655 
1656 #define RADEON_PCIE_SPEED_25 1
1657 #define RADEON_PCIE_SPEED_50 2
1658 #define RADEON_PCIE_SPEED_80 4
1659 
1660 int radeon_pm_get_type_index(struct radeon_device *rdev,
1661 			     enum radeon_pm_state_type ps_type,
1662 			     int instance);
1663 /*
1664  * UVD
1665  */
1666 #define RADEON_DEFAULT_UVD_HANDLES	10
1667 #define RADEON_MAX_UVD_HANDLES		30
1668 #define RADEON_UVD_STACK_SIZE		(200*1024)
1669 #define RADEON_UVD_HEAP_SIZE		(256*1024)
1670 #define RADEON_UVD_SESSION_SIZE		(50*1024)
1671 
1672 struct radeon_uvd {
1673 	bool			fw_header_present;
1674 	struct radeon_bo	*vcpu_bo;
1675 	void			*cpu_addr;
1676 	uint64_t		gpu_addr;
1677 	unsigned		max_handles;
1678 	atomic_t		handles[RADEON_MAX_UVD_HANDLES];
1679 	struct drm_file		*filp[RADEON_MAX_UVD_HANDLES];
1680 	unsigned		img_size[RADEON_MAX_UVD_HANDLES];
1681 	struct delayed_work	idle_work;
1682 };
1683 
1684 int radeon_uvd_init(struct radeon_device *rdev);
1685 void radeon_uvd_fini(struct radeon_device *rdev);
1686 int radeon_uvd_suspend(struct radeon_device *rdev);
1687 int radeon_uvd_resume(struct radeon_device *rdev);
1688 int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
1689 			      uint32_t handle, struct radeon_fence **fence);
1690 int radeon_uvd_get_destroy_msg(struct radeon_device *rdev, int ring,
1691 			       uint32_t handle, struct radeon_fence **fence);
1692 void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo,
1693 				       uint32_t allowed_domains);
1694 void radeon_uvd_free_handles(struct radeon_device *rdev,
1695 			     struct drm_file *filp);
1696 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
1697 void radeon_uvd_note_usage(struct radeon_device *rdev);
1698 int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
1699 				  unsigned vclk, unsigned dclk,
1700 				  unsigned vco_min, unsigned vco_max,
1701 				  unsigned fb_factor, unsigned fb_mask,
1702 				  unsigned pd_min, unsigned pd_max,
1703 				  unsigned pd_even,
1704 				  unsigned *optimal_fb_div,
1705 				  unsigned *optimal_vclk_div,
1706 				  unsigned *optimal_dclk_div);
1707 int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
1708                                 unsigned cg_upll_func_cntl);
1709 
1710 /*
1711  * VCE
1712  */
1713 #define RADEON_MAX_VCE_HANDLES	16
1714 
1715 struct radeon_vce {
1716 	struct radeon_bo	*vcpu_bo;
1717 	uint64_t		gpu_addr;
1718 	unsigned		fw_version;
1719 	unsigned		fb_version;
1720 	atomic_t		handles[RADEON_MAX_VCE_HANDLES];
1721 	struct drm_file		*filp[RADEON_MAX_VCE_HANDLES];
1722 	unsigned		img_size[RADEON_MAX_VCE_HANDLES];
1723 	struct delayed_work	idle_work;
1724 	uint32_t		keyselect;
1725 };
1726 
1727 int radeon_vce_init(struct radeon_device *rdev);
1728 void radeon_vce_fini(struct radeon_device *rdev);
1729 int radeon_vce_suspend(struct radeon_device *rdev);
1730 int radeon_vce_resume(struct radeon_device *rdev);
1731 int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
1732 			      uint32_t handle, struct radeon_fence **fence);
1733 int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
1734 			       uint32_t handle, struct radeon_fence **fence);
1735 void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
1736 void radeon_vce_note_usage(struct radeon_device *rdev);
1737 int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, unsigned size);
1738 int radeon_vce_cs_parse(struct radeon_cs_parser *p);
1739 bool radeon_vce_semaphore_emit(struct radeon_device *rdev,
1740 			       struct radeon_ring *ring,
1741 			       struct radeon_semaphore *semaphore,
1742 			       bool emit_wait);
1743 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
1744 void radeon_vce_fence_emit(struct radeon_device *rdev,
1745 			   struct radeon_fence *fence);
1746 int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
1747 int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
1748 
1749 struct r600_audio_pin {
1750 	int			channels;
1751 	int			rate;
1752 	int			bits_per_sample;
1753 	u8			status_bits;
1754 	u8			category_code;
1755 	u32			offset;
1756 	bool			connected;
1757 	u32			id;
1758 };
1759 
1760 struct r600_audio {
1761 	bool enabled;
1762 	struct r600_audio_pin pin[RADEON_MAX_AFMT_BLOCKS];
1763 	int num_pins;
1764 	struct radeon_audio_funcs *hdmi_funcs;
1765 	struct radeon_audio_funcs *dp_funcs;
1766 	struct radeon_audio_basic_funcs *funcs;
1767 };
1768 
1769 /*
1770  * Benchmarking
1771  */
1772 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1773 
1774 
1775 /*
1776  * Testing
1777  */
1778 void radeon_test_moves(struct radeon_device *rdev);
1779 void radeon_test_ring_sync(struct radeon_device *rdev,
1780 			   struct radeon_ring *cpA,
1781 			   struct radeon_ring *cpB);
1782 void radeon_test_syncing(struct radeon_device *rdev);
1783 
1784 /*
1785  * MMU Notifier
1786  */
1787 #if defined(CONFIG_MMU_NOTIFIER)
1788 int radeon_mn_register(struct radeon_bo *bo, unsigned long addr);
1789 void radeon_mn_unregister(struct radeon_bo *bo);
1790 #else
radeon_mn_register(struct radeon_bo * bo,unsigned long addr)1791 static inline int radeon_mn_register(struct radeon_bo *bo, unsigned long addr)
1792 {
1793 	return -ENODEV;
1794 }
radeon_mn_unregister(struct radeon_bo * bo)1795 static inline void radeon_mn_unregister(struct radeon_bo *bo) {}
1796 #endif
1797 
1798 /*
1799  * Debugfs
1800  */
1801 struct radeon_debugfs {
1802 	struct drm_info_list	*files;
1803 	unsigned		num_files;
1804 };
1805 
1806 int radeon_debugfs_add_files(struct radeon_device *rdev,
1807 			     struct drm_info_list *files,
1808 			     unsigned nfiles);
1809 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1810 
1811 /*
1812  * ASIC ring specific functions.
1813  */
1814 struct radeon_asic_ring {
1815 	/* ring read/write ptr handling */
1816 	u32 (*get_rptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1817 	u32 (*get_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1818 	void (*set_wptr)(struct radeon_device *rdev, struct radeon_ring *ring);
1819 
1820 	/* validating and patching of IBs */
1821 	int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1822 	int (*cs_parse)(struct radeon_cs_parser *p);
1823 
1824 	/* command emmit functions */
1825 	void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1826 	void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1827 	void (*hdp_flush)(struct radeon_device *rdev, struct radeon_ring *ring);
1828 	bool (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1829 			       struct radeon_semaphore *semaphore, bool emit_wait);
1830 	void (*vm_flush)(struct radeon_device *rdev, struct radeon_ring *ring,
1831 			 unsigned vm_id, uint64_t pd_addr);
1832 
1833 	/* testing functions */
1834 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1835 	int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1836 	bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1837 
1838 	/* deprecated */
1839 	void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1840 };
1841 
1842 /*
1843  * ASIC specific functions.
1844  */
1845 struct radeon_asic {
1846 	int (*init)(struct radeon_device *rdev);
1847 	void (*fini)(struct radeon_device *rdev);
1848 	int (*resume)(struct radeon_device *rdev);
1849 	int (*suspend)(struct radeon_device *rdev);
1850 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1851 	int (*asic_reset)(struct radeon_device *rdev, bool hard);
1852 	/* Flush the HDP cache via MMIO */
1853 	void (*mmio_hdp_flush)(struct radeon_device *rdev);
1854 	/* check if 3D engine is idle */
1855 	bool (*gui_idle)(struct radeon_device *rdev);
1856 	/* wait for mc_idle */
1857 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1858 	/* get the reference clock */
1859 	u32 (*get_xclk)(struct radeon_device *rdev);
1860 	/* get the gpu clock counter */
1861 	uint64_t (*get_gpu_clock_counter)(struct radeon_device *rdev);
1862 	/* get register for info ioctl */
1863 	int (*get_allowed_info_register)(struct radeon_device *rdev, u32 reg, u32 *val);
1864 	/* gart */
1865 	struct {
1866 		void (*tlb_flush)(struct radeon_device *rdev);
1867 		uint64_t (*get_page_entry)(uint64_t addr, uint32_t flags);
1868 		void (*set_page)(struct radeon_device *rdev, unsigned i,
1869 				 uint64_t entry);
1870 	} gart;
1871 	struct {
1872 		int (*init)(struct radeon_device *rdev);
1873 		void (*fini)(struct radeon_device *rdev);
1874 		void (*copy_pages)(struct radeon_device *rdev,
1875 				   struct radeon_ib *ib,
1876 				   uint64_t pe, uint64_t src,
1877 				   unsigned count);
1878 		void (*write_pages)(struct radeon_device *rdev,
1879 				    struct radeon_ib *ib,
1880 				    uint64_t pe,
1881 				    uint64_t addr, unsigned count,
1882 				    uint32_t incr, uint32_t flags);
1883 		void (*set_pages)(struct radeon_device *rdev,
1884 				  struct radeon_ib *ib,
1885 				  uint64_t pe,
1886 				  uint64_t addr, unsigned count,
1887 				  uint32_t incr, uint32_t flags);
1888 		void (*pad_ib)(struct radeon_ib *ib);
1889 	} vm;
1890 	/* ring specific callbacks */
1891 	const struct radeon_asic_ring *ring[RADEON_NUM_RINGS];
1892 	/* irqs */
1893 	struct {
1894 		int (*set)(struct radeon_device *rdev);
1895 		int (*process)(struct radeon_device *rdev);
1896 	} irq;
1897 	/* displays */
1898 	struct {
1899 		/* display watermarks */
1900 		void (*bandwidth_update)(struct radeon_device *rdev);
1901 		/* get frame count */
1902 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1903 		/* wait for vblank */
1904 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1905 		/* set backlight level */
1906 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1907 		/* get backlight level */
1908 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1909 		/* audio callbacks */
1910 		void (*hdmi_enable)(struct drm_encoder *encoder, bool enable);
1911 		void (*hdmi_setmode)(struct drm_encoder *encoder, struct drm_display_mode *mode);
1912 	} display;
1913 	/* copy functions for bo handling */
1914 	struct {
1915 		struct radeon_fence *(*blit)(struct radeon_device *rdev,
1916 					     uint64_t src_offset,
1917 					     uint64_t dst_offset,
1918 					     unsigned num_gpu_pages,
1919 					     struct reservation_object *resv);
1920 		u32 blit_ring_index;
1921 		struct radeon_fence *(*dma)(struct radeon_device *rdev,
1922 					    uint64_t src_offset,
1923 					    uint64_t dst_offset,
1924 					    unsigned num_gpu_pages,
1925 					    struct reservation_object *resv);
1926 		u32 dma_ring_index;
1927 		/* method used for bo copy */
1928 		struct radeon_fence *(*copy)(struct radeon_device *rdev,
1929 					     uint64_t src_offset,
1930 					     uint64_t dst_offset,
1931 					     unsigned num_gpu_pages,
1932 					     struct reservation_object *resv);
1933 		/* ring used for bo copies */
1934 		u32 copy_ring_index;
1935 	} copy;
1936 	/* surfaces */
1937 	struct {
1938 		int (*set_reg)(struct radeon_device *rdev, int reg,
1939 				       uint32_t tiling_flags, uint32_t pitch,
1940 				       uint32_t offset, uint32_t obj_size);
1941 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1942 	} surface;
1943 	/* hotplug detect */
1944 	struct {
1945 		void (*init)(struct radeon_device *rdev);
1946 		void (*fini)(struct radeon_device *rdev);
1947 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1948 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1949 	} hpd;
1950 	/* static power management */
1951 	struct {
1952 		void (*misc)(struct radeon_device *rdev);
1953 		void (*prepare)(struct radeon_device *rdev);
1954 		void (*finish)(struct radeon_device *rdev);
1955 		void (*init_profile)(struct radeon_device *rdev);
1956 		void (*get_dynpm_state)(struct radeon_device *rdev);
1957 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1958 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1959 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1960 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1961 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1962 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1963 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1964 		int (*set_uvd_clocks)(struct radeon_device *rdev, u32 vclk, u32 dclk);
1965 		int (*set_vce_clocks)(struct radeon_device *rdev, u32 evclk, u32 ecclk);
1966 		int (*get_temperature)(struct radeon_device *rdev);
1967 	} pm;
1968 	/* dynamic power management */
1969 	struct {
1970 		int (*init)(struct radeon_device *rdev);
1971 		void (*setup_asic)(struct radeon_device *rdev);
1972 		int (*enable)(struct radeon_device *rdev);
1973 		int (*late_enable)(struct radeon_device *rdev);
1974 		void (*disable)(struct radeon_device *rdev);
1975 		int (*pre_set_power_state)(struct radeon_device *rdev);
1976 		int (*set_power_state)(struct radeon_device *rdev);
1977 		void (*post_set_power_state)(struct radeon_device *rdev);
1978 		void (*display_configuration_changed)(struct radeon_device *rdev);
1979 		void (*fini)(struct radeon_device *rdev);
1980 		u32 (*get_sclk)(struct radeon_device *rdev, bool low);
1981 		u32 (*get_mclk)(struct radeon_device *rdev, bool low);
1982 		void (*print_power_state)(struct radeon_device *rdev, struct radeon_ps *ps);
1983 		void (*debugfs_print_current_performance_level)(struct radeon_device *rdev, struct seq_file *m);
1984 		int (*force_performance_level)(struct radeon_device *rdev, enum radeon_dpm_forced_level level);
1985 		bool (*vblank_too_short)(struct radeon_device *rdev);
1986 		void (*powergate_uvd)(struct radeon_device *rdev, bool gate);
1987 		void (*enable_bapm)(struct radeon_device *rdev, bool enable);
1988 		void (*fan_ctrl_set_mode)(struct radeon_device *rdev, u32 mode);
1989 		u32 (*fan_ctrl_get_mode)(struct radeon_device *rdev);
1990 		int (*set_fan_speed_percent)(struct radeon_device *rdev, u32 speed);
1991 		int (*get_fan_speed_percent)(struct radeon_device *rdev, u32 *speed);
1992 		u32 (*get_current_sclk)(struct radeon_device *rdev);
1993 		u32 (*get_current_mclk)(struct radeon_device *rdev);
1994 	} dpm;
1995 	/* pageflipping */
1996 	struct {
1997 		void (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base, bool async);
1998 		bool (*page_flip_pending)(struct radeon_device *rdev, int crtc);
1999 	} pflip;
2000 };
2001 
2002 /*
2003  * Asic structures
2004  */
2005 struct r100_asic {
2006 	const unsigned		*reg_safe_bm;
2007 	unsigned		reg_safe_bm_size;
2008 	u32			hdp_cntl;
2009 };
2010 
2011 struct r300_asic {
2012 	const unsigned		*reg_safe_bm;
2013 	unsigned		reg_safe_bm_size;
2014 	u32			resync_scratch;
2015 	u32			hdp_cntl;
2016 };
2017 
2018 struct r600_asic {
2019 	unsigned		max_pipes;
2020 	unsigned		max_tile_pipes;
2021 	unsigned		max_simds;
2022 	unsigned		max_backends;
2023 	unsigned		max_gprs;
2024 	unsigned		max_threads;
2025 	unsigned		max_stack_entries;
2026 	unsigned		max_hw_contexts;
2027 	unsigned		max_gs_threads;
2028 	unsigned		sx_max_export_size;
2029 	unsigned		sx_max_export_pos_size;
2030 	unsigned		sx_max_export_smx_size;
2031 	unsigned		sq_num_cf_insts;
2032 	unsigned		tiling_nbanks;
2033 	unsigned		tiling_npipes;
2034 	unsigned		tiling_group_size;
2035 	unsigned		tile_config;
2036 	unsigned		backend_map;
2037 	unsigned		active_simds;
2038 };
2039 
2040 struct rv770_asic {
2041 	unsigned		max_pipes;
2042 	unsigned		max_tile_pipes;
2043 	unsigned		max_simds;
2044 	unsigned		max_backends;
2045 	unsigned		max_gprs;
2046 	unsigned		max_threads;
2047 	unsigned		max_stack_entries;
2048 	unsigned		max_hw_contexts;
2049 	unsigned		max_gs_threads;
2050 	unsigned		sx_max_export_size;
2051 	unsigned		sx_max_export_pos_size;
2052 	unsigned		sx_max_export_smx_size;
2053 	unsigned		sq_num_cf_insts;
2054 	unsigned		sx_num_of_sets;
2055 	unsigned		sc_prim_fifo_size;
2056 	unsigned		sc_hiz_tile_fifo_size;
2057 	unsigned		sc_earlyz_tile_fifo_fize;
2058 	unsigned		tiling_nbanks;
2059 	unsigned		tiling_npipes;
2060 	unsigned		tiling_group_size;
2061 	unsigned		tile_config;
2062 	unsigned		backend_map;
2063 	unsigned		active_simds;
2064 };
2065 
2066 struct evergreen_asic {
2067 	unsigned num_ses;
2068 	unsigned max_pipes;
2069 	unsigned max_tile_pipes;
2070 	unsigned max_simds;
2071 	unsigned max_backends;
2072 	unsigned max_gprs;
2073 	unsigned max_threads;
2074 	unsigned max_stack_entries;
2075 	unsigned max_hw_contexts;
2076 	unsigned max_gs_threads;
2077 	unsigned sx_max_export_size;
2078 	unsigned sx_max_export_pos_size;
2079 	unsigned sx_max_export_smx_size;
2080 	unsigned sq_num_cf_insts;
2081 	unsigned sx_num_of_sets;
2082 	unsigned sc_prim_fifo_size;
2083 	unsigned sc_hiz_tile_fifo_size;
2084 	unsigned sc_earlyz_tile_fifo_size;
2085 	unsigned tiling_nbanks;
2086 	unsigned tiling_npipes;
2087 	unsigned tiling_group_size;
2088 	unsigned tile_config;
2089 	unsigned backend_map;
2090 	unsigned active_simds;
2091 };
2092 
2093 struct cayman_asic {
2094 	unsigned max_shader_engines;
2095 	unsigned max_pipes_per_simd;
2096 	unsigned max_tile_pipes;
2097 	unsigned max_simds_per_se;
2098 	unsigned max_backends_per_se;
2099 	unsigned max_texture_channel_caches;
2100 	unsigned max_gprs;
2101 	unsigned max_threads;
2102 	unsigned max_gs_threads;
2103 	unsigned max_stack_entries;
2104 	unsigned sx_num_of_sets;
2105 	unsigned sx_max_export_size;
2106 	unsigned sx_max_export_pos_size;
2107 	unsigned sx_max_export_smx_size;
2108 	unsigned max_hw_contexts;
2109 	unsigned sq_num_cf_insts;
2110 	unsigned sc_prim_fifo_size;
2111 	unsigned sc_hiz_tile_fifo_size;
2112 	unsigned sc_earlyz_tile_fifo_size;
2113 
2114 	unsigned num_shader_engines;
2115 	unsigned num_shader_pipes_per_simd;
2116 	unsigned num_tile_pipes;
2117 	unsigned num_simds_per_se;
2118 	unsigned num_backends_per_se;
2119 	unsigned backend_disable_mask_per_asic;
2120 	unsigned backend_map;
2121 	unsigned num_texture_channel_caches;
2122 	unsigned mem_max_burst_length_bytes;
2123 	unsigned mem_row_size_in_kb;
2124 	unsigned shader_engine_tile_size;
2125 	unsigned num_gpus;
2126 	unsigned multi_gpu_tile_size;
2127 
2128 	unsigned tile_config;
2129 	unsigned active_simds;
2130 };
2131 
2132 struct si_asic {
2133 	unsigned max_shader_engines;
2134 	unsigned max_tile_pipes;
2135 	unsigned max_cu_per_sh;
2136 	unsigned max_sh_per_se;
2137 	unsigned max_backends_per_se;
2138 	unsigned max_texture_channel_caches;
2139 	unsigned max_gprs;
2140 	unsigned max_gs_threads;
2141 	unsigned max_hw_contexts;
2142 	unsigned sc_prim_fifo_size_frontend;
2143 	unsigned sc_prim_fifo_size_backend;
2144 	unsigned sc_hiz_tile_fifo_size;
2145 	unsigned sc_earlyz_tile_fifo_size;
2146 
2147 	unsigned num_tile_pipes;
2148 	unsigned backend_enable_mask;
2149 	unsigned backend_disable_mask_per_asic;
2150 	unsigned backend_map;
2151 	unsigned num_texture_channel_caches;
2152 	unsigned mem_max_burst_length_bytes;
2153 	unsigned mem_row_size_in_kb;
2154 	unsigned shader_engine_tile_size;
2155 	unsigned num_gpus;
2156 	unsigned multi_gpu_tile_size;
2157 
2158 	unsigned tile_config;
2159 	uint32_t tile_mode_array[32];
2160 	uint32_t active_cus;
2161 };
2162 
2163 struct cik_asic {
2164 	unsigned max_shader_engines;
2165 	unsigned max_tile_pipes;
2166 	unsigned max_cu_per_sh;
2167 	unsigned max_sh_per_se;
2168 	unsigned max_backends_per_se;
2169 	unsigned max_texture_channel_caches;
2170 	unsigned max_gprs;
2171 	unsigned max_gs_threads;
2172 	unsigned max_hw_contexts;
2173 	unsigned sc_prim_fifo_size_frontend;
2174 	unsigned sc_prim_fifo_size_backend;
2175 	unsigned sc_hiz_tile_fifo_size;
2176 	unsigned sc_earlyz_tile_fifo_size;
2177 
2178 	unsigned num_tile_pipes;
2179 	unsigned backend_enable_mask;
2180 	unsigned backend_disable_mask_per_asic;
2181 	unsigned backend_map;
2182 	unsigned num_texture_channel_caches;
2183 	unsigned mem_max_burst_length_bytes;
2184 	unsigned mem_row_size_in_kb;
2185 	unsigned shader_engine_tile_size;
2186 	unsigned num_gpus;
2187 	unsigned multi_gpu_tile_size;
2188 
2189 	unsigned tile_config;
2190 	uint32_t tile_mode_array[32];
2191 	uint32_t macrotile_mode_array[16];
2192 	uint32_t active_cus;
2193 };
2194 
2195 union radeon_asic_config {
2196 	struct r300_asic	r300;
2197 	struct r100_asic	r100;
2198 	struct r600_asic	r600;
2199 	struct rv770_asic	rv770;
2200 	struct evergreen_asic	evergreen;
2201 	struct cayman_asic	cayman;
2202 	struct si_asic		si;
2203 	struct cik_asic		cik;
2204 };
2205 
2206 /*
2207  * asic initizalization from radeon_asic.c
2208  */
2209 void radeon_agp_disable(struct radeon_device *rdev);
2210 int radeon_asic_init(struct radeon_device *rdev);
2211 
2212 
2213 /*
2214  * IOCTL.
2215  */
2216 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
2217 			  struct drm_file *filp);
2218 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
2219 			    struct drm_file *filp);
2220 int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
2221 			     struct drm_file *filp);
2222 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
2223 			 struct drm_file *file_priv);
2224 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
2225 			   struct drm_file *file_priv);
2226 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
2227 			    struct drm_file *file_priv);
2228 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
2229 			   struct drm_file *file_priv);
2230 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
2231 				struct drm_file *filp);
2232 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
2233 			  struct drm_file *filp);
2234 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
2235 			  struct drm_file *filp);
2236 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
2237 			      struct drm_file *filp);
2238 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
2239 			  struct drm_file *filp);
2240 int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
2241 			struct drm_file *filp);
2242 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
2243 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
2244 				struct drm_file *filp);
2245 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
2246 				struct drm_file *filp);
2247 
2248 /* VRAM scratch page for HDP bug, default vram page */
2249 struct r600_vram_scratch {
2250 	struct radeon_bo		*robj;
2251 	volatile uint32_t		*ptr;
2252 	u64				gpu_addr;
2253 };
2254 
2255 /*
2256  * ACPI
2257  */
2258 struct radeon_atif_notification_cfg {
2259 	bool enabled;
2260 	int command_code;
2261 };
2262 
2263 struct radeon_atif_notifications {
2264 	bool display_switch;
2265 	bool expansion_mode_change;
2266 	bool thermal_state;
2267 	bool forced_power_state;
2268 	bool system_power_state;
2269 	bool display_conf_change;
2270 	bool px_gfx_switch;
2271 	bool brightness_change;
2272 	bool dgpu_display_event;
2273 };
2274 
2275 struct radeon_atif_functions {
2276 	bool system_params;
2277 	bool sbios_requests;
2278 	bool select_active_disp;
2279 	bool lid_state;
2280 	bool get_tv_standard;
2281 	bool set_tv_standard;
2282 	bool get_panel_expansion_mode;
2283 	bool set_panel_expansion_mode;
2284 	bool temperature_change;
2285 	bool graphics_device_types;
2286 };
2287 
2288 struct radeon_atif {
2289 	struct radeon_atif_notifications notifications;
2290 	struct radeon_atif_functions functions;
2291 	struct radeon_atif_notification_cfg notification_cfg;
2292 	struct radeon_encoder *encoder_for_bl;
2293 };
2294 
2295 struct radeon_atcs_functions {
2296 	bool get_ext_state;
2297 	bool pcie_perf_req;
2298 	bool pcie_dev_rdy;
2299 	bool pcie_bus_width;
2300 };
2301 
2302 struct radeon_atcs {
2303 	struct radeon_atcs_functions functions;
2304 };
2305 
2306 /*
2307  * Core structure, functions and helpers.
2308  */
2309 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
2310 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
2311 
2312 struct radeon_device {
2313 	struct device			*dev;
2314 	struct drm_device		*ddev;
2315 	struct pci_dev			*pdev;
2316 	struct rw_semaphore		exclusive_lock;
2317 	/* ASIC */
2318 	union radeon_asic_config	config;
2319 	enum radeon_family		family;
2320 	unsigned long			flags;
2321 	int				usec_timeout;
2322 	enum radeon_pll_errata		pll_errata;
2323 	int				num_gb_pipes;
2324 	int				num_z_pipes;
2325 	int				disp_priority;
2326 	/* BIOS */
2327 	uint8_t				*bios;
2328 	bool				is_atom_bios;
2329 	uint16_t			bios_header_start;
2330 	struct radeon_bo		*stolen_vga_memory;
2331 	/* Register mmio */
2332 	resource_size_t			rmmio_base;
2333 	resource_size_t			rmmio_size;
2334 	/* protects concurrent MM_INDEX/DATA based register access */
2335 	spinlock_t mmio_idx_lock;
2336 	/* protects concurrent SMC based register access */
2337 	spinlock_t smc_idx_lock;
2338 	/* protects concurrent PLL register access */
2339 	spinlock_t pll_idx_lock;
2340 	/* protects concurrent MC register access */
2341 	spinlock_t mc_idx_lock;
2342 	/* protects concurrent PCIE register access */
2343 	spinlock_t pcie_idx_lock;
2344 	/* protects concurrent PCIE_PORT register access */
2345 	spinlock_t pciep_idx_lock;
2346 	/* protects concurrent PIF register access */
2347 	spinlock_t pif_idx_lock;
2348 	/* protects concurrent CG register access */
2349 	spinlock_t cg_idx_lock;
2350 	/* protects concurrent UVD register access */
2351 	spinlock_t uvd_idx_lock;
2352 	/* protects concurrent RCU register access */
2353 	spinlock_t rcu_idx_lock;
2354 	/* protects concurrent DIDT register access */
2355 	spinlock_t didt_idx_lock;
2356 	/* protects concurrent ENDPOINT (audio) register access */
2357 	spinlock_t end_idx_lock;
2358 	void __iomem			*rmmio;
2359 	radeon_rreg_t			mc_rreg;
2360 	radeon_wreg_t			mc_wreg;
2361 	radeon_rreg_t			pll_rreg;
2362 	radeon_wreg_t			pll_wreg;
2363 	uint32_t                        pcie_reg_mask;
2364 	radeon_rreg_t			pciep_rreg;
2365 	radeon_wreg_t			pciep_wreg;
2366 	/* io port */
2367 	void __iomem                    *rio_mem;
2368 	resource_size_t			rio_mem_size;
2369 	struct radeon_clock             clock;
2370 	struct radeon_mc		mc;
2371 	struct radeon_gart		gart;
2372 	struct radeon_mode_info		mode_info;
2373 	struct radeon_scratch		scratch;
2374 	struct radeon_doorbell		doorbell;
2375 	struct radeon_mman		mman;
2376 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
2377 	wait_queue_head_t		fence_queue;
2378 	u64				fence_context;
2379 	struct mutex			ring_lock;
2380 	struct radeon_ring		ring[RADEON_NUM_RINGS];
2381 	bool				ib_pool_ready;
2382 	struct radeon_sa_manager	ring_tmp_bo;
2383 	struct radeon_irq		irq;
2384 	struct radeon_asic		*asic;
2385 	struct radeon_gem		gem;
2386 	struct radeon_pm		pm;
2387 	struct radeon_uvd		uvd;
2388 	struct radeon_vce		vce;
2389 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
2390 	struct radeon_wb		wb;
2391 	struct radeon_dummy_page	dummy_page;
2392 	bool				shutdown;
2393 	bool				need_dma32;
2394 	bool				need_swiotlb;
2395 	bool				accel_working;
2396 	bool				fastfb_working; /* IGP feature*/
2397 	bool				needs_reset, in_reset;
2398 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
2399 	const struct firmware *me_fw;	/* all family ME firmware */
2400 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
2401 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
2402 	const struct firmware *mc_fw;	/* NI MC firmware */
2403 	const struct firmware *ce_fw;	/* SI CE firmware */
2404 	const struct firmware *mec_fw;	/* CIK MEC firmware */
2405 	const struct firmware *mec2_fw;	/* KV MEC2 firmware */
2406 	const struct firmware *sdma_fw;	/* CIK SDMA firmware */
2407 	const struct firmware *smc_fw;	/* SMC firmware */
2408 	const struct firmware *uvd_fw;	/* UVD firmware */
2409 	const struct firmware *vce_fw;	/* VCE firmware */
2410 	bool new_fw;
2411 	struct r600_vram_scratch vram_scratch;
2412 	int msi_enabled; /* msi enabled */
2413 	struct r600_ih ih; /* r6/700 interrupt ring */
2414 	struct radeon_rlc rlc;
2415 	struct radeon_mec mec;
2416 	struct delayed_work hotplug_work;
2417 	struct work_struct dp_work;
2418 	struct work_struct audio_work;
2419 	int num_crtc; /* number of crtcs */
2420 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
2421 	bool has_uvd;
2422 	bool has_vce;
2423 	struct r600_audio audio; /* audio stuff */
2424 	struct notifier_block acpi_nb;
2425 	/* only one userspace can use Hyperz features or CMASK at a time */
2426 	struct drm_file *hyperz_filp;
2427 	struct drm_file *cmask_filp;
2428 	/* i2c buses */
2429 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
2430 	/* debugfs */
2431 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
2432 	unsigned 		debugfs_count;
2433 	/* virtual memory */
2434 	struct radeon_vm_manager	vm_manager;
2435 	struct mutex			gpu_clock_mutex;
2436 	/* memory stats */
2437 	atomic64_t			vram_usage;
2438 	atomic64_t			gtt_usage;
2439 	atomic64_t			num_bytes_moved;
2440 	atomic_t			gpu_reset_counter;
2441 	/* ACPI interface */
2442 	struct radeon_atif		atif;
2443 	struct radeon_atcs		atcs;
2444 	/* srbm instance registers */
2445 	struct mutex			srbm_mutex;
2446 	/* clock, powergating flags */
2447 	u32 cg_flags;
2448 	u32 pg_flags;
2449 
2450 	struct dev_pm_domain vga_pm_domain;
2451 	bool have_disp_power_ref;
2452 	u32 px_quirk_flags;
2453 
2454 	/* tracking pinned memory */
2455 	u64 vram_pin_size;
2456 	u64 gart_pin_size;
2457 
2458 	struct mutex	mn_lock;
2459 	DECLARE_HASHTABLE(mn_hash, 7);
2460 };
2461 
2462 bool radeon_is_px(struct drm_device *dev);
2463 int radeon_device_init(struct radeon_device *rdev,
2464 		       struct drm_device *ddev,
2465 		       struct pci_dev *pdev,
2466 		       uint32_t flags);
2467 void radeon_device_fini(struct radeon_device *rdev);
2468 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
2469 
2470 #define RADEON_MIN_MMIO_SIZE 0x10000
2471 
2472 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg);
2473 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v);
r100_mm_rreg(struct radeon_device * rdev,uint32_t reg,bool always_indirect)2474 static inline uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
2475 				    bool always_indirect)
2476 {
2477 	/* The mmio size is 64kb at minimum. Allows the if to be optimized out. */
2478 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2479 		return readl(((void __iomem *)rdev->rmmio) + reg);
2480 	else
2481 		return r100_mm_rreg_slow(rdev, reg);
2482 }
r100_mm_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v,bool always_indirect)2483 static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
2484 				bool always_indirect)
2485 {
2486 	if ((reg < rdev->rmmio_size || reg < RADEON_MIN_MMIO_SIZE) && !always_indirect)
2487 		writel(v, ((void __iomem *)rdev->rmmio) + reg);
2488 	else
2489 		r100_mm_wreg_slow(rdev, reg, v);
2490 }
2491 
2492 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
2493 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2494 
2495 u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
2496 void cik_mm_wdoorbell(struct radeon_device *rdev, u32 index, u32 v);
2497 
2498 /*
2499  * Cast helper
2500  */
2501 extern const struct dma_fence_ops radeon_fence_ops;
2502 
to_radeon_fence(struct dma_fence * f)2503 static inline struct radeon_fence *to_radeon_fence(struct dma_fence *f)
2504 {
2505 	struct radeon_fence *__f = container_of(f, struct radeon_fence, base);
2506 
2507 	if (__f->base.ops == &radeon_fence_ops)
2508 		return __f;
2509 
2510 	return NULL;
2511 }
2512 
2513 /*
2514  * Registers read & write functions.
2515  */
2516 #define RREG8(reg) readb((rdev->rmmio) + (reg))
2517 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
2518 #define RREG16(reg) readw((rdev->rmmio) + (reg))
2519 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
2520 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
2521 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
2522 #define DREG32(reg) pr_info("REGISTER: " #reg " : 0x%08X\n",	\
2523 			    r100_mm_rreg(rdev, (reg), false))
2524 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
2525 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
2526 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2527 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2528 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
2529 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
2530 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
2531 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
2532 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
2533 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
2534 #define RREG32_PCIE_PORT(reg) rdev->pciep_rreg(rdev, (reg))
2535 #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
2536 #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
2537 #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
2538 #define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg))
2539 #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
2540 #define RREG32_CG(reg) eg_cg_rreg(rdev, (reg))
2541 #define WREG32_CG(reg, v) eg_cg_wreg(rdev, (reg), (v))
2542 #define RREG32_PIF_PHY0(reg) eg_pif_phy0_rreg(rdev, (reg))
2543 #define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
2544 #define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
2545 #define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
2546 #define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
2547 #define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
2548 #define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
2549 #define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
2550 #define WREG32_P(reg, val, mask)				\
2551 	do {							\
2552 		uint32_t tmp_ = RREG32(reg);			\
2553 		tmp_ &= (mask);					\
2554 		tmp_ |= ((val) & ~(mask));			\
2555 		WREG32(reg, tmp_);				\
2556 	} while (0)
2557 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2558 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2559 #define WREG32_PLL_P(reg, val, mask)				\
2560 	do {							\
2561 		uint32_t tmp_ = RREG32_PLL(reg);		\
2562 		tmp_ &= (mask);					\
2563 		tmp_ |= ((val) & ~(mask));			\
2564 		WREG32_PLL(reg, tmp_);				\
2565 	} while (0)
2566 #define WREG32_SMC_P(reg, val, mask)				\
2567 	do {							\
2568 		uint32_t tmp_ = RREG32_SMC(reg);		\
2569 		tmp_ &= (mask);					\
2570 		tmp_ |= ((val) & ~(mask));			\
2571 		WREG32_SMC(reg, tmp_);				\
2572 	} while (0)
2573 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
2574 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
2575 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
2576 
2577 #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))
2578 #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))
2579 
2580 /*
2581  * Indirect registers accessors.
2582  * They used to be inlined, but this increases code size by ~65 kbytes.
2583  * Since each performs a pair of MMIO ops
2584  * within a spin_lock_irqsave/spin_unlock_irqrestore region,
2585  * the cost of call+ret is almost negligible. MMIO and locking
2586  * costs several dozens of cycles each at best, call+ret is ~5 cycles.
2587  */
2588 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg);
2589 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
2590 u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg);
2591 void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2592 u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg);
2593 void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2594 u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg);
2595 void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2596 u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg);
2597 void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2598 u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg);
2599 void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2600 u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg);
2601 void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2602 u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg);
2603 void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v);
2604 
2605 void r100_pll_errata_after_index(struct radeon_device *rdev);
2606 
2607 
2608 /*
2609  * ASICs helpers.
2610  */
2611 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
2612 			    (rdev->pdev->device == 0x5969))
2613 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
2614 		(rdev->family == CHIP_RV200) || \
2615 		(rdev->family == CHIP_RS100) || \
2616 		(rdev->family == CHIP_RS200) || \
2617 		(rdev->family == CHIP_RV250) || \
2618 		(rdev->family == CHIP_RV280) || \
2619 		(rdev->family == CHIP_RS300))
2620 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
2621 		(rdev->family == CHIP_RV350) ||			\
2622 		(rdev->family == CHIP_R350)  ||			\
2623 		(rdev->family == CHIP_RV380) ||			\
2624 		(rdev->family == CHIP_R420)  ||			\
2625 		(rdev->family == CHIP_R423)  ||			\
2626 		(rdev->family == CHIP_RV410) ||			\
2627 		(rdev->family == CHIP_RS400) ||			\
2628 		(rdev->family == CHIP_RS480))
2629 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
2630 		(rdev->ddev->pdev->device == 0x9443) || \
2631 		(rdev->ddev->pdev->device == 0x944B) || \
2632 		(rdev->ddev->pdev->device == 0x9506) || \
2633 		(rdev->ddev->pdev->device == 0x9509) || \
2634 		(rdev->ddev->pdev->device == 0x950F) || \
2635 		(rdev->ddev->pdev->device == 0x689C) || \
2636 		(rdev->ddev->pdev->device == 0x689D))
2637 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
2638 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
2639 			    (rdev->family == CHIP_RS690)  ||	\
2640 			    (rdev->family == CHIP_RS740)  ||	\
2641 			    (rdev->family >= CHIP_R600))
2642 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
2643 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
2644 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
2645 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
2646 			     (rdev->flags & RADEON_IS_IGP))
2647 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
2648 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
2649 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
2650 			     (rdev->flags & RADEON_IS_IGP))
2651 #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND))
2652 #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN))
2653 #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE))
2654 #define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI))
2655 #define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE))
2656 #define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI) || \
2657 			     (rdev->family == CHIP_MULLINS))
2658 
2659 #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \
2660 			      (rdev->ddev->pdev->device == 0x6850) || \
2661 			      (rdev->ddev->pdev->device == 0x6858) || \
2662 			      (rdev->ddev->pdev->device == 0x6859) || \
2663 			      (rdev->ddev->pdev->device == 0x6840) || \
2664 			      (rdev->ddev->pdev->device == 0x6841) || \
2665 			      (rdev->ddev->pdev->device == 0x6842) || \
2666 			      (rdev->ddev->pdev->device == 0x6843))
2667 
2668 /*
2669  * BIOS helpers.
2670  */
2671 #define RBIOS8(i) (rdev->bios[i])
2672 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2673 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2674 
2675 int radeon_combios_init(struct radeon_device *rdev);
2676 void radeon_combios_fini(struct radeon_device *rdev);
2677 int radeon_atombios_init(struct radeon_device *rdev);
2678 void radeon_atombios_fini(struct radeon_device *rdev);
2679 
2680 
2681 /*
2682  * RING helpers.
2683  */
2684 
2685 /**
2686  * radeon_ring_write - write a value to the ring
2687  *
2688  * @ring: radeon_ring structure holding ring information
2689  * @v: dword (dw) value to write
2690  *
2691  * Write a value to the requested ring buffer (all asics).
2692  */
radeon_ring_write(struct radeon_ring * ring,uint32_t v)2693 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
2694 {
2695 	if (ring->count_dw <= 0)
2696 		DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
2697 
2698 	ring->ring[ring->wptr++] = v;
2699 	ring->wptr &= ring->ptr_mask;
2700 	ring->count_dw--;
2701 	ring->ring_free_dw--;
2702 }
2703 
2704 /*
2705  * ASICs macro.
2706  */
2707 #define radeon_init(rdev) (rdev)->asic->init((rdev))
2708 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
2709 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
2710 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
2711 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)]->cs_parse((p))
2712 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
2713 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev), false)
2714 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
2715 #define radeon_gart_get_page_entry(a, f) (rdev)->asic->gart.get_page_entry((a), (f))
2716 #define radeon_gart_set_page(rdev, i, e) (rdev)->asic->gart.set_page((rdev), (i), (e))
2717 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
2718 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
2719 #define radeon_asic_vm_copy_pages(rdev, ib, pe, src, count) ((rdev)->asic->vm.copy_pages((rdev), (ib), (pe), (src), (count)))
2720 #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)))
2721 #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)))
2722 #define radeon_asic_vm_pad_ib(rdev, ib) ((rdev)->asic->vm.pad_ib((ib)))
2723 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_start((rdev), (cp))
2724 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ring_test((rdev), (cp))
2725 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)]->ib_test((rdev), (cp))
2726 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_execute((rdev), (ib))
2727 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)]->ib_parse((rdev), (ib))
2728 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)]->is_lockup((rdev), (cp))
2729 #define radeon_ring_vm_flush(rdev, r, vm_id, pd_addr) (rdev)->asic->ring[(r)->idx]->vm_flush((rdev), (r), (vm_id), (pd_addr))
2730 #define radeon_ring_get_rptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_rptr((rdev), (r))
2731 #define radeon_ring_get_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->get_wptr((rdev), (r))
2732 #define radeon_ring_set_wptr(rdev, r) (rdev)->asic->ring[(r)->idx]->set_wptr((rdev), (r))
2733 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
2734 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
2735 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
2736 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
2737 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
2738 #define radeon_hdmi_enable(rdev, e, b) (rdev)->asic->display.hdmi_enable((e), (b))
2739 #define radeon_hdmi_setmode(rdev, e, m) (rdev)->asic->display.hdmi_setmode((e), (m))
2740 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)]->emit_fence((rdev), (fence))
2741 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)]->emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
2742 #define radeon_copy_blit(rdev, s, d, np, resv) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (resv))
2743 #define radeon_copy_dma(rdev, s, d, np, resv) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (resv))
2744 #define radeon_copy(rdev, s, d, np, resv) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (resv))
2745 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
2746 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
2747 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
2748 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
2749 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
2750 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
2751 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
2752 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
2753 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
2754 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
2755 #define radeon_set_uvd_clocks(rdev, v, d) (rdev)->asic->pm.set_uvd_clocks((rdev), (v), (d))
2756 #define radeon_set_vce_clocks(rdev, ev, ec) (rdev)->asic->pm.set_vce_clocks((rdev), (ev), (ec))
2757 #define radeon_get_temperature(rdev) (rdev)->asic->pm.get_temperature((rdev))
2758 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
2759 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
2760 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
2761 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
2762 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
2763 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
2764 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
2765 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
2766 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
2767 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
2768 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
2769 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
2770 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
2771 #define radeon_page_flip(rdev, crtc, base, async) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base), (async))
2772 #define radeon_page_flip_pending(rdev, crtc) (rdev)->asic->pflip.page_flip_pending((rdev), (crtc))
2773 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
2774 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
2775 #define radeon_get_xclk(rdev) (rdev)->asic->get_xclk((rdev))
2776 #define radeon_get_gpu_clock_counter(rdev) (rdev)->asic->get_gpu_clock_counter((rdev))
2777 #define radeon_get_allowed_info_register(rdev, r, v) (rdev)->asic->get_allowed_info_register((rdev), (r), (v))
2778 #define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
2779 #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev))
2780 #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev))
2781 #define radeon_dpm_late_enable(rdev) rdev->asic->dpm.late_enable((rdev))
2782 #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev))
2783 #define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev))
2784 #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev))
2785 #define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev))
2786 #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev))
2787 #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev))
2788 #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l))
2789 #define radeon_dpm_get_mclk(rdev, l) rdev->asic->dpm.get_mclk((rdev), (l))
2790 #define radeon_dpm_print_power_state(rdev, ps) rdev->asic->dpm.print_power_state((rdev), (ps))
2791 #define radeon_dpm_debugfs_print_current_performance_level(rdev, m) rdev->asic->dpm.debugfs_print_current_performance_level((rdev), (m))
2792 #define radeon_dpm_force_performance_level(rdev, l) rdev->asic->dpm.force_performance_level((rdev), (l))
2793 #define radeon_dpm_vblank_too_short(rdev) rdev->asic->dpm.vblank_too_short((rdev))
2794 #define radeon_dpm_powergate_uvd(rdev, g) rdev->asic->dpm.powergate_uvd((rdev), (g))
2795 #define radeon_dpm_enable_bapm(rdev, e) rdev->asic->dpm.enable_bapm((rdev), (e))
2796 #define radeon_dpm_get_current_sclk(rdev) rdev->asic->dpm.get_current_sclk((rdev))
2797 #define radeon_dpm_get_current_mclk(rdev) rdev->asic->dpm.get_current_mclk((rdev))
2798 
2799 /* Common functions */
2800 /* AGP */
2801 extern int radeon_gpu_reset(struct radeon_device *rdev);
2802 extern void radeon_pci_config_reset(struct radeon_device *rdev);
2803 extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
2804 extern void radeon_agp_disable(struct radeon_device *rdev);
2805 extern int radeon_modeset_init(struct radeon_device *rdev);
2806 extern void radeon_modeset_fini(struct radeon_device *rdev);
2807 extern bool radeon_card_posted(struct radeon_device *rdev);
2808 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
2809 extern void radeon_update_display_priority(struct radeon_device *rdev);
2810 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
2811 extern void radeon_scratch_init(struct radeon_device *rdev);
2812 extern void radeon_wb_fini(struct radeon_device *rdev);
2813 extern int radeon_wb_init(struct radeon_device *rdev);
2814 extern void radeon_wb_disable(struct radeon_device *rdev);
2815 extern void radeon_surface_init(struct radeon_device *rdev);
2816 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
2817 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
2818 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
2819 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
2820 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
2821 extern int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
2822 				     uint32_t flags);
2823 extern bool radeon_ttm_tt_has_userptr(struct ttm_tt *ttm);
2824 extern bool radeon_ttm_tt_is_readonly(struct ttm_tt *ttm);
2825 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
2826 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
2827 extern int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
2828 extern int radeon_suspend_kms(struct drm_device *dev, bool suspend,
2829 			      bool fbcon, bool freeze);
2830 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
2831 extern void radeon_program_register_sequence(struct radeon_device *rdev,
2832 					     const u32 *registers,
2833 					     const u32 array_size);
2834 
2835 /*
2836  * vm
2837  */
2838 int radeon_vm_manager_init(struct radeon_device *rdev);
2839 void radeon_vm_manager_fini(struct radeon_device *rdev);
2840 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
2841 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
2842 struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
2843 					  struct radeon_vm *vm,
2844                                           struct list_head *head);
2845 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
2846 				       struct radeon_vm *vm, int ring);
2847 void radeon_vm_flush(struct radeon_device *rdev,
2848                      struct radeon_vm *vm,
2849 		     int ring, struct radeon_fence *fence);
2850 void radeon_vm_fence(struct radeon_device *rdev,
2851 		     struct radeon_vm *vm,
2852 		     struct radeon_fence *fence);
2853 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
2854 int radeon_vm_update_page_directory(struct radeon_device *rdev,
2855 				    struct radeon_vm *vm);
2856 int radeon_vm_clear_freed(struct radeon_device *rdev,
2857 			  struct radeon_vm *vm);
2858 int radeon_vm_clear_invalids(struct radeon_device *rdev,
2859 			     struct radeon_vm *vm);
2860 int radeon_vm_bo_update(struct radeon_device *rdev,
2861 			struct radeon_bo_va *bo_va,
2862 			struct ttm_mem_reg *mem);
2863 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
2864 			     struct radeon_bo *bo);
2865 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
2866 				       struct radeon_bo *bo);
2867 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
2868 				      struct radeon_vm *vm,
2869 				      struct radeon_bo *bo);
2870 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
2871 			  struct radeon_bo_va *bo_va,
2872 			  uint64_t offset,
2873 			  uint32_t flags);
2874 void radeon_vm_bo_rmv(struct radeon_device *rdev,
2875 		      struct radeon_bo_va *bo_va);
2876 
2877 /* audio */
2878 void r600_audio_update_hdmi(struct work_struct *work);
2879 struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev);
2880 struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev);
2881 void r600_audio_enable(struct radeon_device *rdev,
2882 		       struct r600_audio_pin *pin,
2883 		       u8 enable_mask);
2884 void dce6_audio_enable(struct radeon_device *rdev,
2885 		       struct r600_audio_pin *pin,
2886 		       u8 enable_mask);
2887 
2888 /*
2889  * R600 vram scratch functions
2890  */
2891 int r600_vram_scratch_init(struct radeon_device *rdev);
2892 void r600_vram_scratch_fini(struct radeon_device *rdev);
2893 
2894 /*
2895  * r600 cs checking helper
2896  */
2897 unsigned r600_mip_minify(unsigned size, unsigned level);
2898 bool r600_fmt_is_valid_color(u32 format);
2899 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
2900 int r600_fmt_get_blocksize(u32 format);
2901 int r600_fmt_get_nblocksx(u32 format, u32 w);
2902 int r600_fmt_get_nblocksy(u32 format, u32 h);
2903 
2904 /*
2905  * r600 functions used by radeon_encoder.c
2906  */
2907 struct radeon_hdmi_acr {
2908 	u32 clock;
2909 
2910 	int n_32khz;
2911 	int cts_32khz;
2912 
2913 	int n_44_1khz;
2914 	int cts_44_1khz;
2915 
2916 	int n_48khz;
2917 	int cts_48khz;
2918 
2919 };
2920 
2921 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
2922 
2923 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
2924 				     u32 tiling_pipe_num,
2925 				     u32 max_rb_num,
2926 				     u32 total_max_rb_num,
2927 				     u32 enabled_rb_mask);
2928 
2929 /*
2930  * evergreen functions used by radeon_encoder.c
2931  */
2932 
2933 extern int ni_init_microcode(struct radeon_device *rdev);
2934 extern int ni_mc_load_microcode(struct radeon_device *rdev);
2935 
2936 /* radeon_acpi.c */
2937 #if defined(CONFIG_ACPI)
2938 extern int radeon_acpi_init(struct radeon_device *rdev);
2939 extern void radeon_acpi_fini(struct radeon_device *rdev);
2940 extern bool radeon_acpi_is_pcie_performance_request_supported(struct radeon_device *rdev);
2941 extern int radeon_acpi_pcie_performance_request(struct radeon_device *rdev,
2942 						u8 perf_req, bool advertise);
2943 extern int radeon_acpi_pcie_notify_device_ready(struct radeon_device *rdev);
2944 #else
radeon_acpi_init(struct radeon_device * rdev)2945 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
radeon_acpi_fini(struct radeon_device * rdev)2946 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
2947 #endif
2948 
2949 int radeon_cs_packet_parse(struct radeon_cs_parser *p,
2950 			   struct radeon_cs_packet *pkt,
2951 			   unsigned idx);
2952 bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
2953 void radeon_cs_dump_packet(struct radeon_cs_parser *p,
2954 			   struct radeon_cs_packet *pkt);
2955 int radeon_cs_packet_next_reloc(struct radeon_cs_parser *p,
2956 				struct radeon_bo_list **cs_reloc,
2957 				int nomm);
2958 int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
2959 			       uint32_t *vline_start_end,
2960 			       uint32_t *vline_status);
2961 
2962 /* interrupt control register helpers */
2963 void radeon_irq_kms_set_irq_n_enabled(struct radeon_device *rdev,
2964 				      u32 reg, u32 mask,
2965 				      bool enable, const char *name,
2966 				      unsigned n);
2967 
2968 #include "radeon_object.h"
2969 
2970 #endif
2971