1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __RADEON_H__
29 #define __RADEON_H__
30 
31 /* TODO: Here are things that needs to be done :
32  *	- surface allocator & initializer : (bit like scratch reg) should
33  *	  initialize HDP_ stuff on RS600, R600, R700 hw, well anythings
34  *	  related to surface
35  *	- WB : write back stuff (do it bit like scratch reg things)
36  *	- Vblank : look at Jesse's rework and what we should do
37  *	- r600/r700: gart & cp
38  *	- cs : clean cs ioctl use bitmap & things like that.
39  *	- power management stuff
40  *	- Barrier in gart code
41  *	- Unmappabled vram ?
42  *	- TESTING, TESTING, TESTING
43  */
44 
45 /* Initialization path:
46  *  We expect that acceleration initialization might fail for various
47  *  reasons even thought we work hard to make it works on most
48  *  configurations. In order to still have a working userspace in such
49  *  situation the init path must succeed up to the memory controller
50  *  initialization point. Failure before this point are considered as
51  *  fatal error. Here is the init callchain :
52  *      radeon_device_init  perform common structure, mutex initialization
53  *      asic_init           setup the GPU memory layout and perform all
54  *                          one time initialization (failure in this
55  *                          function are considered fatal)
56  *      asic_startup        setup the GPU acceleration, in order to
57  *                          follow guideline the first thing this
58  *                          function should do is setting the GPU
59  *                          memory controller (only MC setup failure
60  *                          are considered as fatal)
61  */
62 
63 #include <linux/atomic.h>
64 #include <linux/wait.h>
65 #include <linux/list.h>
66 #include <linux/kref.h>
67 
68 #include <ttm/ttm_bo_api.h>
69 #include <ttm/ttm_bo_driver.h>
70 #include <ttm/ttm_placement.h>
71 #include <ttm/ttm_module.h>
72 #include <ttm/ttm_execbuf_util.h>
73 
74 #include "radeon_family.h"
75 #include "radeon_mode.h"
76 #include "radeon_reg.h"
77 
78 /*
79  * Modules parameters.
80  */
81 extern int radeon_no_wb;
82 extern int radeon_modeset;
83 extern int radeon_dynclks;
84 extern int radeon_r4xx_atom;
85 extern int radeon_agpmode;
86 extern int radeon_vram_limit;
87 extern int radeon_gart_size;
88 extern int radeon_benchmarking;
89 extern int radeon_testing;
90 extern int radeon_connector_table;
91 extern int radeon_tv;
92 extern int radeon_audio;
93 extern int radeon_disp_priority;
94 extern int radeon_hw_i2c;
95 extern int radeon_pcie_gen2;
96 extern int radeon_msi;
97 
98 /*
99  * Copy from radeon_drv.h so we don't have to include both and have conflicting
100  * symbol;
101  */
102 #define RADEON_MAX_USEC_TIMEOUT		100000	/* 100 ms */
103 #define RADEON_FENCE_JIFFIES_TIMEOUT	(HZ / 2)
104 /* RADEON_IB_POOL_SIZE must be a power of 2 */
105 #define RADEON_IB_POOL_SIZE		16
106 #define RADEON_DEBUGFS_MAX_COMPONENTS	32
107 #define RADEONFB_CONN_LIMIT		4
108 #define RADEON_BIOS_NUM_SCRATCH		8
109 
110 /* max number of rings */
111 #define RADEON_NUM_RINGS 3
112 
113 /* internal ring indices */
114 /* r1xx+ has gfx CP ring */
115 #define RADEON_RING_TYPE_GFX_INDEX  0
116 
117 /* cayman has 2 compute CP rings */
118 #define CAYMAN_RING_TYPE_CP1_INDEX 1
119 #define CAYMAN_RING_TYPE_CP2_INDEX 2
120 
121 /* hardcode those limit for now */
122 #define RADEON_VA_RESERVED_SIZE		(8 << 20)
123 #define RADEON_IB_VM_MAX_SIZE		(64 << 10)
124 
125 /*
126  * Errata workarounds.
127  */
128 enum radeon_pll_errata {
129 	CHIP_ERRATA_R300_CG             = 0x00000001,
130 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
131 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
132 };
133 
134 
135 struct radeon_device;
136 
137 
138 /*
139  * BIOS.
140  */
141 #define ATRM_BIOS_PAGE 4096
142 
143 #if defined(CONFIG_VGA_SWITCHEROO)
144 bool radeon_atrm_supported(struct pci_dev *pdev);
145 int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len);
146 #else
radeon_atrm_supported(struct pci_dev * pdev)147 static inline bool radeon_atrm_supported(struct pci_dev *pdev)
148 {
149 	return false;
150 }
151 
radeon_atrm_get_bios_chunk(uint8_t * bios,int offset,int len)152 static inline int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len){
153 	return -EINVAL;
154 }
155 #endif
156 bool radeon_get_bios(struct radeon_device *rdev);
157 
158 
159 /*
160  * Mutex which allows recursive locking from the same process.
161  */
162 struct radeon_mutex {
163 	struct mutex		mutex;
164 	struct task_struct	*owner;
165 	int			level;
166 };
167 
radeon_mutex_init(struct radeon_mutex * mutex)168 static inline void radeon_mutex_init(struct radeon_mutex *mutex)
169 {
170 	mutex_init(&mutex->mutex);
171 	mutex->owner = NULL;
172 	mutex->level = 0;
173 }
174 
radeon_mutex_lock(struct radeon_mutex * mutex)175 static inline void radeon_mutex_lock(struct radeon_mutex *mutex)
176 {
177 	if (mutex_trylock(&mutex->mutex)) {
178 		/* The mutex was unlocked before, so it's ours now */
179 		mutex->owner = current;
180 	} else if (mutex->owner != current) {
181 		/* Another process locked the mutex, take it */
182 		mutex_lock(&mutex->mutex);
183 		mutex->owner = current;
184 	}
185 	/* Otherwise the mutex was already locked by this process */
186 
187 	mutex->level++;
188 }
189 
radeon_mutex_unlock(struct radeon_mutex * mutex)190 static inline void radeon_mutex_unlock(struct radeon_mutex *mutex)
191 {
192 	if (--mutex->level > 0)
193 		return;
194 
195 	mutex->owner = NULL;
196 	mutex_unlock(&mutex->mutex);
197 }
198 
199 
200 /*
201  * Dummy page
202  */
203 struct radeon_dummy_page {
204 	struct page	*page;
205 	dma_addr_t	addr;
206 };
207 int radeon_dummy_page_init(struct radeon_device *rdev);
208 void radeon_dummy_page_fini(struct radeon_device *rdev);
209 
210 
211 /*
212  * Clocks
213  */
214 struct radeon_clock {
215 	struct radeon_pll p1pll;
216 	struct radeon_pll p2pll;
217 	struct radeon_pll dcpll;
218 	struct radeon_pll spll;
219 	struct radeon_pll mpll;
220 	/* 10 Khz units */
221 	uint32_t default_mclk;
222 	uint32_t default_sclk;
223 	uint32_t default_dispclk;
224 	uint32_t dp_extclk;
225 	uint32_t max_pixel_clock;
226 };
227 
228 /*
229  * Power management
230  */
231 int radeon_pm_init(struct radeon_device *rdev);
232 void radeon_pm_fini(struct radeon_device *rdev);
233 void radeon_pm_compute_clocks(struct radeon_device *rdev);
234 void radeon_pm_suspend(struct radeon_device *rdev);
235 void radeon_pm_resume(struct radeon_device *rdev);
236 void radeon_combios_get_power_modes(struct radeon_device *rdev);
237 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
238 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
239 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u16 *voltage);
240 void rs690_pm_info(struct radeon_device *rdev);
241 extern int rv6xx_get_temp(struct radeon_device *rdev);
242 extern int rv770_get_temp(struct radeon_device *rdev);
243 extern int evergreen_get_temp(struct radeon_device *rdev);
244 extern int sumo_get_temp(struct radeon_device *rdev);
245 
246 /*
247  * Fences.
248  */
249 struct radeon_fence_driver {
250 	uint32_t			scratch_reg;
251 	uint64_t			gpu_addr;
252 	volatile uint32_t		*cpu_addr;
253 	atomic_t			seq;
254 	uint32_t			last_seq;
255 	unsigned long			last_jiffies;
256 	unsigned long			last_timeout;
257 	wait_queue_head_t		queue;
258 	struct list_head		created;
259 	struct list_head		emitted;
260 	struct list_head		signaled;
261 	bool				initialized;
262 };
263 
264 struct radeon_fence {
265 	struct radeon_device		*rdev;
266 	struct kref			kref;
267 	struct list_head		list;
268 	/* protected by radeon_fence.lock */
269 	uint32_t			seq;
270 	bool				emitted;
271 	bool				signaled;
272 	/* RB, DMA, etc. */
273 	int				ring;
274 	struct radeon_semaphore		*semaphore;
275 };
276 
277 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
278 int radeon_fence_driver_init(struct radeon_device *rdev);
279 void radeon_fence_driver_fini(struct radeon_device *rdev);
280 int radeon_fence_create(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
281 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence);
282 void radeon_fence_process(struct radeon_device *rdev, int ring);
283 bool radeon_fence_signaled(struct radeon_fence *fence);
284 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
285 int radeon_fence_wait_next(struct radeon_device *rdev, int ring);
286 int radeon_fence_wait_last(struct radeon_device *rdev, int ring);
287 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
288 void radeon_fence_unref(struct radeon_fence **fence);
289 int radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
290 
291 /*
292  * Tiling registers
293  */
294 struct radeon_surface_reg {
295 	struct radeon_bo *bo;
296 };
297 
298 #define RADEON_GEM_MAX_SURFACES 8
299 
300 /*
301  * TTM.
302  */
303 struct radeon_mman {
304 	struct ttm_bo_global_ref        bo_global_ref;
305 	struct drm_global_reference	mem_global_ref;
306 	struct ttm_bo_device		bdev;
307 	bool				mem_global_referenced;
308 	bool				initialized;
309 };
310 
311 /* bo virtual address in a specific vm */
312 struct radeon_bo_va {
313 	/* bo list is protected by bo being reserved */
314 	struct list_head		bo_list;
315 	/* vm list is protected by vm mutex */
316 	struct list_head		vm_list;
317 	/* constant after initialization */
318 	struct radeon_vm		*vm;
319 	struct radeon_bo		*bo;
320 	uint64_t			soffset;
321 	uint64_t			eoffset;
322 	uint32_t			flags;
323 	bool				valid;
324 };
325 
326 struct radeon_bo {
327 	/* Protected by gem.mutex */
328 	struct list_head		list;
329 	/* Protected by tbo.reserved */
330 	u32				placements[3];
331 	struct ttm_placement		placement;
332 	struct ttm_buffer_object	tbo;
333 	struct ttm_bo_kmap_obj		kmap;
334 	unsigned			pin_count;
335 	void				*kptr;
336 	u32				tiling_flags;
337 	u32				pitch;
338 	int				surface_reg;
339 	/* list of all virtual address to which this bo
340 	 * is associated to
341 	 */
342 	struct list_head		va;
343 	/* Constant after initialization */
344 	struct radeon_device		*rdev;
345 	struct drm_gem_object		gem_base;
346 };
347 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
348 
349 struct radeon_bo_list {
350 	struct ttm_validate_buffer tv;
351 	struct radeon_bo	*bo;
352 	uint64_t		gpu_offset;
353 	unsigned		rdomain;
354 	unsigned		wdomain;
355 	u32			tiling_flags;
356 };
357 
358 /* sub-allocation manager, it has to be protected by another lock.
359  * By conception this is an helper for other part of the driver
360  * like the indirect buffer or semaphore, which both have their
361  * locking.
362  *
363  * Principe is simple, we keep a list of sub allocation in offset
364  * order (first entry has offset == 0, last entry has the highest
365  * offset).
366  *
367  * When allocating new object we first check if there is room at
368  * the end total_size - (last_object_offset + last_object_size) >=
369  * alloc_size. If so we allocate new object there.
370  *
371  * When there is not enough room at the end, we start waiting for
372  * each sub object until we reach object_offset+object_size >=
373  * alloc_size, this object then become the sub object we return.
374  *
375  * Alignment can't be bigger than page size.
376  *
377  * Hole are not considered for allocation to keep things simple.
378  * Assumption is that there won't be hole (all object on same
379  * alignment).
380  */
381 struct radeon_sa_manager {
382 	struct radeon_bo	*bo;
383 	struct list_head	sa_bo;
384 	unsigned		size;
385 	uint64_t		gpu_addr;
386 	void			*cpu_ptr;
387 	uint32_t		domain;
388 };
389 
390 struct radeon_sa_bo;
391 
392 /* sub-allocation buffer */
393 struct radeon_sa_bo {
394 	struct list_head		list;
395 	struct radeon_sa_manager	*manager;
396 	unsigned			offset;
397 	unsigned			size;
398 };
399 
400 /*
401  * GEM objects.
402  */
403 struct radeon_gem {
404 	struct mutex		mutex;
405 	struct list_head	objects;
406 };
407 
408 int radeon_gem_init(struct radeon_device *rdev);
409 void radeon_gem_fini(struct radeon_device *rdev);
410 int radeon_gem_object_create(struct radeon_device *rdev, int size,
411 				int alignment, int initial_domain,
412 				bool discardable, bool kernel,
413 				struct drm_gem_object **obj);
414 int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
415 			  uint64_t *gpu_addr);
416 void radeon_gem_object_unpin(struct drm_gem_object *obj);
417 
418 int radeon_mode_dumb_create(struct drm_file *file_priv,
419 			    struct drm_device *dev,
420 			    struct drm_mode_create_dumb *args);
421 int radeon_mode_dumb_mmap(struct drm_file *filp,
422 			  struct drm_device *dev,
423 			  uint32_t handle, uint64_t *offset_p);
424 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
425 			     struct drm_device *dev,
426 			     uint32_t handle);
427 
428 /*
429  * Semaphores.
430  */
431 struct radeon_ring;
432 
433 #define	RADEON_SEMAPHORE_BO_SIZE	256
434 
435 struct radeon_semaphore_driver {
436 	rwlock_t			lock;
437 	struct list_head		bo;
438 };
439 
440 struct radeon_semaphore_bo;
441 
442 /* everything here is constant */
443 struct radeon_semaphore {
444 	struct list_head		list;
445 	uint64_t			gpu_addr;
446 	uint32_t			*cpu_ptr;
447 	struct radeon_semaphore_bo	*bo;
448 };
449 
450 struct radeon_semaphore_bo {
451 	struct list_head		list;
452 	struct radeon_ib		*ib;
453 	struct list_head		free;
454 	struct radeon_semaphore		semaphores[RADEON_SEMAPHORE_BO_SIZE/8];
455 	unsigned			nused;
456 };
457 
458 void radeon_semaphore_driver_fini(struct radeon_device *rdev);
459 int radeon_semaphore_create(struct radeon_device *rdev,
460 			    struct radeon_semaphore **semaphore);
461 void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
462 				  struct radeon_semaphore *semaphore);
463 void radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
464 				struct radeon_semaphore *semaphore);
465 void radeon_semaphore_free(struct radeon_device *rdev,
466 			   struct radeon_semaphore *semaphore);
467 
468 /*
469  * GART structures, functions & helpers
470  */
471 struct radeon_mc;
472 
473 #define RADEON_GPU_PAGE_SIZE 4096
474 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
475 #define RADEON_GPU_PAGE_SHIFT 12
476 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
477 
478 struct radeon_gart {
479 	dma_addr_t			table_addr;
480 	struct radeon_bo		*robj;
481 	void				*ptr;
482 	unsigned			num_gpu_pages;
483 	unsigned			num_cpu_pages;
484 	unsigned			table_size;
485 	struct page			**pages;
486 	dma_addr_t			*pages_addr;
487 	bool				ready;
488 };
489 
490 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
491 void radeon_gart_table_ram_free(struct radeon_device *rdev);
492 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
493 void radeon_gart_table_vram_free(struct radeon_device *rdev);
494 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
495 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
496 int radeon_gart_init(struct radeon_device *rdev);
497 void radeon_gart_fini(struct radeon_device *rdev);
498 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
499 			int pages);
500 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
501 		     int pages, struct page **pagelist,
502 		     dma_addr_t *dma_addr);
503 void radeon_gart_restore(struct radeon_device *rdev);
504 
505 
506 /*
507  * GPU MC structures, functions & helpers
508  */
509 struct radeon_mc {
510 	resource_size_t		aper_size;
511 	resource_size_t		aper_base;
512 	resource_size_t		agp_base;
513 	/* for some chips with <= 32MB we need to lie
514 	 * about vram size near mc fb location */
515 	u64			mc_vram_size;
516 	u64			visible_vram_size;
517 	u64			gtt_size;
518 	u64			gtt_start;
519 	u64			gtt_end;
520 	u64			vram_start;
521 	u64			vram_end;
522 	unsigned		vram_width;
523 	u64			real_vram_size;
524 	int			vram_mtrr;
525 	bool			vram_is_ddr;
526 	bool			igp_sideport_enabled;
527 	u64                     gtt_base_align;
528 };
529 
530 bool radeon_combios_sideport_present(struct radeon_device *rdev);
531 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
532 
533 /*
534  * GPU scratch registers structures, functions & helpers
535  */
536 struct radeon_scratch {
537 	unsigned		num_reg;
538 	uint32_t                reg_base;
539 	bool			free[32];
540 	uint32_t		reg[32];
541 };
542 
543 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
544 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
545 
546 
547 /*
548  * IRQS.
549  */
550 
551 struct radeon_unpin_work {
552 	struct work_struct work;
553 	struct radeon_device *rdev;
554 	int crtc_id;
555 	struct radeon_fence *fence;
556 	struct drm_pending_vblank_event *event;
557 	struct radeon_bo *old_rbo;
558 	u64 new_crtc_base;
559 };
560 
561 struct r500_irq_stat_regs {
562 	u32 disp_int;
563 };
564 
565 struct r600_irq_stat_regs {
566 	u32 disp_int;
567 	u32 disp_int_cont;
568 	u32 disp_int_cont2;
569 	u32 d1grph_int;
570 	u32 d2grph_int;
571 };
572 
573 struct evergreen_irq_stat_regs {
574 	u32 disp_int;
575 	u32 disp_int_cont;
576 	u32 disp_int_cont2;
577 	u32 disp_int_cont3;
578 	u32 disp_int_cont4;
579 	u32 disp_int_cont5;
580 	u32 d1grph_int;
581 	u32 d2grph_int;
582 	u32 d3grph_int;
583 	u32 d4grph_int;
584 	u32 d5grph_int;
585 	u32 d6grph_int;
586 };
587 
588 union radeon_irq_stat_regs {
589 	struct r500_irq_stat_regs r500;
590 	struct r600_irq_stat_regs r600;
591 	struct evergreen_irq_stat_regs evergreen;
592 };
593 
594 #define RADEON_MAX_HPD_PINS 6
595 #define RADEON_MAX_CRTCS 6
596 #define RADEON_MAX_HDMI_BLOCKS 2
597 
598 struct radeon_irq {
599 	bool		installed;
600 	bool		sw_int[RADEON_NUM_RINGS];
601 	bool		crtc_vblank_int[RADEON_MAX_CRTCS];
602 	bool		pflip[RADEON_MAX_CRTCS];
603 	wait_queue_head_t	vblank_queue;
604 	bool            hpd[RADEON_MAX_HPD_PINS];
605 	bool            gui_idle;
606 	bool            gui_idle_acked;
607 	wait_queue_head_t	idle_queue;
608 	bool		hdmi[RADEON_MAX_HDMI_BLOCKS];
609 	spinlock_t sw_lock;
610 	int sw_refcount[RADEON_NUM_RINGS];
611 	union radeon_irq_stat_regs stat_regs;
612 	spinlock_t pflip_lock[RADEON_MAX_CRTCS];
613 	int pflip_refcount[RADEON_MAX_CRTCS];
614 };
615 
616 int radeon_irq_kms_init(struct radeon_device *rdev);
617 void radeon_irq_kms_fini(struct radeon_device *rdev);
618 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
619 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
620 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
621 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
622 
623 /*
624  * CP & rings.
625  */
626 
627 struct radeon_ib {
628 	struct radeon_sa_bo	sa_bo;
629 	unsigned		idx;
630 	uint32_t		length_dw;
631 	uint64_t		gpu_addr;
632 	uint32_t		*ptr;
633 	struct radeon_fence	*fence;
634 	unsigned		vm_id;
635 };
636 
637 /*
638  * locking -
639  * mutex protects scheduled_ibs, ready, alloc_bm
640  */
641 struct radeon_ib_pool {
642 	struct radeon_mutex		mutex;
643 	struct radeon_sa_manager	sa_manager;
644 	struct radeon_ib		ibs[RADEON_IB_POOL_SIZE];
645 	bool				ready;
646 	unsigned			head_id;
647 };
648 
649 struct radeon_ring {
650 	struct radeon_bo	*ring_obj;
651 	volatile uint32_t	*ring;
652 	unsigned		rptr;
653 	unsigned		rptr_offs;
654 	unsigned		rptr_reg;
655 	unsigned		wptr;
656 	unsigned		wptr_old;
657 	unsigned		wptr_reg;
658 	unsigned		ring_size;
659 	unsigned		ring_free_dw;
660 	int			count_dw;
661 	uint64_t		gpu_addr;
662 	uint32_t		align_mask;
663 	uint32_t		ptr_mask;
664 	struct mutex		mutex;
665 	bool			ready;
666 	u32			ptr_reg_shift;
667 	u32			ptr_reg_mask;
668 	u32			nop;
669 };
670 
671 /*
672  * VM
673  */
674 struct radeon_vm {
675 	struct list_head		list;
676 	struct list_head		va;
677 	int				id;
678 	unsigned			last_pfn;
679 	u64				pt_gpu_addr;
680 	u64				*pt;
681 	struct radeon_sa_bo		sa_bo;
682 	struct mutex			mutex;
683 	/* last fence for cs using this vm */
684 	struct radeon_fence		*fence;
685 };
686 
687 struct radeon_vm_funcs {
688 	int (*init)(struct radeon_device *rdev);
689 	void (*fini)(struct radeon_device *rdev);
690 	/* cs mutex must be lock for schedule_ib */
691 	int (*bind)(struct radeon_device *rdev, struct radeon_vm *vm, int id);
692 	void (*unbind)(struct radeon_device *rdev, struct radeon_vm *vm);
693 	void (*tlb_flush)(struct radeon_device *rdev, struct radeon_vm *vm);
694 	uint32_t (*page_flags)(struct radeon_device *rdev,
695 			       struct radeon_vm *vm,
696 			       uint32_t flags);
697 	void (*set_page)(struct radeon_device *rdev, struct radeon_vm *vm,
698 			unsigned pfn, uint64_t addr, uint32_t flags);
699 };
700 
701 struct radeon_vm_manager {
702 	struct list_head		lru_vm;
703 	uint32_t			use_bitmap;
704 	struct radeon_sa_manager	sa_manager;
705 	uint32_t			max_pfn;
706 	/* fields constant after init */
707 	const struct radeon_vm_funcs	*funcs;
708 	/* number of VMIDs */
709 	unsigned			nvm;
710 	/* vram base address for page table entry  */
711 	u64				vram_base_offset;
712 	/* is vm enabled? */
713 	bool				enabled;
714 };
715 
716 /*
717  * file private structure
718  */
719 struct radeon_fpriv {
720 	struct radeon_vm		vm;
721 };
722 
723 /*
724  * R6xx+ IH ring
725  */
726 struct r600_ih {
727 	struct radeon_bo	*ring_obj;
728 	volatile uint32_t	*ring;
729 	unsigned		rptr;
730 	unsigned		rptr_offs;
731 	unsigned		wptr;
732 	unsigned		wptr_old;
733 	unsigned		ring_size;
734 	uint64_t		gpu_addr;
735 	uint32_t		ptr_mask;
736 	spinlock_t              lock;
737 	bool                    enabled;
738 };
739 
740 struct r600_blit_cp_primitives {
741 	void (*set_render_target)(struct radeon_device *rdev, int format,
742 				  int w, int h, u64 gpu_addr);
743 	void (*cp_set_surface_sync)(struct radeon_device *rdev,
744 				    u32 sync_type, u32 size,
745 				    u64 mc_addr);
746 	void (*set_shaders)(struct radeon_device *rdev);
747 	void (*set_vtx_resource)(struct radeon_device *rdev, u64 gpu_addr);
748 	void (*set_tex_resource)(struct radeon_device *rdev,
749 				 int format, int w, int h, int pitch,
750 				 u64 gpu_addr, u32 size);
751 	void (*set_scissors)(struct radeon_device *rdev, int x1, int y1,
752 			     int x2, int y2);
753 	void (*draw_auto)(struct radeon_device *rdev);
754 	void (*set_default_state)(struct radeon_device *rdev);
755 };
756 
757 struct r600_blit {
758 	struct mutex		mutex;
759 	struct radeon_bo	*shader_obj;
760 	struct r600_blit_cp_primitives primitives;
761 	int max_dim;
762 	int ring_size_common;
763 	int ring_size_per_loop;
764 	u64 shader_gpu_addr;
765 	u32 vs_offset, ps_offset;
766 	u32 state_offset;
767 	u32 state_len;
768 	u32 vb_used, vb_total;
769 	struct radeon_ib *vb_ib;
770 };
771 
772 void r600_blit_suspend(struct radeon_device *rdev);
773 
774 int radeon_ib_get(struct radeon_device *rdev, int ring,
775 		  struct radeon_ib **ib, unsigned size);
776 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib);
777 bool radeon_ib_try_free(struct radeon_device *rdev, struct radeon_ib *ib);
778 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib);
779 int radeon_ib_pool_init(struct radeon_device *rdev);
780 void radeon_ib_pool_fini(struct radeon_device *rdev);
781 int radeon_ib_pool_start(struct radeon_device *rdev);
782 int radeon_ib_pool_suspend(struct radeon_device *rdev);
783 int radeon_ib_test(struct radeon_device *rdev);
784 /* Ring access between begin & end cannot sleep */
785 int radeon_ring_index(struct radeon_device *rdev, struct radeon_ring *cp);
786 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
787 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
788 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
789 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp);
790 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp);
791 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
792 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
793 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
794 		     unsigned rptr_offs, unsigned rptr_reg, unsigned wptr_reg,
795 		     u32 ptr_reg_shift, u32 ptr_reg_mask, u32 nop);
796 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
797 
798 
799 /*
800  * CS.
801  */
802 struct radeon_cs_reloc {
803 	struct drm_gem_object		*gobj;
804 	struct radeon_bo		*robj;
805 	struct radeon_bo_list		lobj;
806 	uint32_t			handle;
807 	uint32_t			flags;
808 };
809 
810 struct radeon_cs_chunk {
811 	uint32_t		chunk_id;
812 	uint32_t		length_dw;
813 	int			kpage_idx[2];
814 	uint32_t		*kpage[2];
815 	uint32_t		*kdata;
816 	void __user		*user_ptr;
817 	int			last_copied_page;
818 	int			last_page_index;
819 };
820 
821 struct radeon_cs_parser {
822 	struct device		*dev;
823 	struct radeon_device	*rdev;
824 	struct drm_file		*filp;
825 	/* chunks */
826 	unsigned		nchunks;
827 	struct radeon_cs_chunk	*chunks;
828 	uint64_t		*chunks_array;
829 	/* IB */
830 	unsigned		idx;
831 	/* relocations */
832 	unsigned		nrelocs;
833 	struct radeon_cs_reloc	*relocs;
834 	struct radeon_cs_reloc	**relocs_ptr;
835 	struct list_head	validated;
836 	bool			sync_to_ring[RADEON_NUM_RINGS];
837 	/* indices of various chunks */
838 	int			chunk_ib_idx;
839 	int			chunk_relocs_idx;
840 	int			chunk_flags_idx;
841 	struct radeon_ib	*ib;
842 	void			*track;
843 	unsigned		family;
844 	int			parser_error;
845 	u32			cs_flags;
846 	u32			ring;
847 	s32			priority;
848 };
849 
850 extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx);
851 extern int radeon_cs_finish_pages(struct radeon_cs_parser *p);
852 extern u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx);
853 
854 struct radeon_cs_packet {
855 	unsigned	idx;
856 	unsigned	type;
857 	unsigned	reg;
858 	unsigned	opcode;
859 	int		count;
860 	unsigned	one_reg_wr;
861 };
862 
863 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
864 				      struct radeon_cs_packet *pkt,
865 				      unsigned idx, unsigned reg);
866 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
867 				      struct radeon_cs_packet *pkt);
868 
869 
870 /*
871  * AGP
872  */
873 int radeon_agp_init(struct radeon_device *rdev);
874 void radeon_agp_resume(struct radeon_device *rdev);
875 void radeon_agp_suspend(struct radeon_device *rdev);
876 void radeon_agp_fini(struct radeon_device *rdev);
877 
878 
879 /*
880  * Writeback
881  */
882 struct radeon_wb {
883 	struct radeon_bo	*wb_obj;
884 	volatile uint32_t	*wb;
885 	uint64_t		gpu_addr;
886 	bool                    enabled;
887 	bool                    use_event;
888 };
889 
890 #define RADEON_WB_SCRATCH_OFFSET 0
891 #define RADEON_WB_CP_RPTR_OFFSET 1024
892 #define RADEON_WB_CP1_RPTR_OFFSET 1280
893 #define RADEON_WB_CP2_RPTR_OFFSET 1536
894 #define R600_WB_IH_WPTR_OFFSET   2048
895 #define R600_WB_EVENT_OFFSET     3072
896 
897 /**
898  * struct radeon_pm - power management datas
899  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
900  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
901  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
902  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
903  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
904  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
905  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
906  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
907  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
908  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
909  * @needed_bandwidth:   current bandwidth needs
910  *
911  * It keeps track of various data needed to take powermanagement decision.
912  * Bandwidth need is used to determine minimun clock of the GPU and memory.
913  * Equation between gpu/memory clock and available bandwidth is hw dependent
914  * (type of memory, bus size, efficiency, ...)
915  */
916 
917 enum radeon_pm_method {
918 	PM_METHOD_PROFILE,
919 	PM_METHOD_DYNPM,
920 };
921 
922 enum radeon_dynpm_state {
923 	DYNPM_STATE_DISABLED,
924 	DYNPM_STATE_MINIMUM,
925 	DYNPM_STATE_PAUSED,
926 	DYNPM_STATE_ACTIVE,
927 	DYNPM_STATE_SUSPENDED,
928 };
929 enum radeon_dynpm_action {
930 	DYNPM_ACTION_NONE,
931 	DYNPM_ACTION_MINIMUM,
932 	DYNPM_ACTION_DOWNCLOCK,
933 	DYNPM_ACTION_UPCLOCK,
934 	DYNPM_ACTION_DEFAULT
935 };
936 
937 enum radeon_voltage_type {
938 	VOLTAGE_NONE = 0,
939 	VOLTAGE_GPIO,
940 	VOLTAGE_VDDC,
941 	VOLTAGE_SW
942 };
943 
944 enum radeon_pm_state_type {
945 	POWER_STATE_TYPE_DEFAULT,
946 	POWER_STATE_TYPE_POWERSAVE,
947 	POWER_STATE_TYPE_BATTERY,
948 	POWER_STATE_TYPE_BALANCED,
949 	POWER_STATE_TYPE_PERFORMANCE,
950 };
951 
952 enum radeon_pm_profile_type {
953 	PM_PROFILE_DEFAULT,
954 	PM_PROFILE_AUTO,
955 	PM_PROFILE_LOW,
956 	PM_PROFILE_MID,
957 	PM_PROFILE_HIGH,
958 };
959 
960 #define PM_PROFILE_DEFAULT_IDX 0
961 #define PM_PROFILE_LOW_SH_IDX  1
962 #define PM_PROFILE_MID_SH_IDX  2
963 #define PM_PROFILE_HIGH_SH_IDX 3
964 #define PM_PROFILE_LOW_MH_IDX  4
965 #define PM_PROFILE_MID_MH_IDX  5
966 #define PM_PROFILE_HIGH_MH_IDX 6
967 #define PM_PROFILE_MAX         7
968 
969 struct radeon_pm_profile {
970 	int dpms_off_ps_idx;
971 	int dpms_on_ps_idx;
972 	int dpms_off_cm_idx;
973 	int dpms_on_cm_idx;
974 };
975 
976 enum radeon_int_thermal_type {
977 	THERMAL_TYPE_NONE,
978 	THERMAL_TYPE_RV6XX,
979 	THERMAL_TYPE_RV770,
980 	THERMAL_TYPE_EVERGREEN,
981 	THERMAL_TYPE_SUMO,
982 	THERMAL_TYPE_NI,
983 };
984 
985 struct radeon_voltage {
986 	enum radeon_voltage_type type;
987 	/* gpio voltage */
988 	struct radeon_gpio_rec gpio;
989 	u32 delay; /* delay in usec from voltage drop to sclk change */
990 	bool active_high; /* voltage drop is active when bit is high */
991 	/* VDDC voltage */
992 	u8 vddc_id; /* index into vddc voltage table */
993 	u8 vddci_id; /* index into vddci voltage table */
994 	bool vddci_enabled;
995 	/* r6xx+ sw */
996 	u16 voltage;
997 	/* evergreen+ vddci */
998 	u16 vddci;
999 };
1000 
1001 /* clock mode flags */
1002 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1003 
1004 struct radeon_pm_clock_info {
1005 	/* memory clock */
1006 	u32 mclk;
1007 	/* engine clock */
1008 	u32 sclk;
1009 	/* voltage info */
1010 	struct radeon_voltage voltage;
1011 	/* standardized clock flags */
1012 	u32 flags;
1013 };
1014 
1015 /* state flags */
1016 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1017 
1018 struct radeon_power_state {
1019 	enum radeon_pm_state_type type;
1020 	struct radeon_pm_clock_info *clock_info;
1021 	/* number of valid clock modes in this power state */
1022 	int num_clock_modes;
1023 	struct radeon_pm_clock_info *default_clock_mode;
1024 	/* standardized state flags */
1025 	u32 flags;
1026 	u32 misc; /* vbios specific flags */
1027 	u32 misc2; /* vbios specific flags */
1028 	int pcie_lanes; /* pcie lanes */
1029 };
1030 
1031 /*
1032  * Some modes are overclocked by very low value, accept them
1033  */
1034 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1035 
1036 struct radeon_pm {
1037 	struct mutex		mutex;
1038 	u32			active_crtcs;
1039 	int			active_crtc_count;
1040 	int			req_vblank;
1041 	bool			vblank_sync;
1042 	bool			gui_idle;
1043 	fixed20_12		max_bandwidth;
1044 	fixed20_12		igp_sideport_mclk;
1045 	fixed20_12		igp_system_mclk;
1046 	fixed20_12		igp_ht_link_clk;
1047 	fixed20_12		igp_ht_link_width;
1048 	fixed20_12		k8_bandwidth;
1049 	fixed20_12		sideport_bandwidth;
1050 	fixed20_12		ht_bandwidth;
1051 	fixed20_12		core_bandwidth;
1052 	fixed20_12		sclk;
1053 	fixed20_12		mclk;
1054 	fixed20_12		needed_bandwidth;
1055 	struct radeon_power_state *power_state;
1056 	/* number of valid power states */
1057 	int                     num_power_states;
1058 	int                     current_power_state_index;
1059 	int                     current_clock_mode_index;
1060 	int                     requested_power_state_index;
1061 	int                     requested_clock_mode_index;
1062 	int                     default_power_state_index;
1063 	u32                     current_sclk;
1064 	u32                     current_mclk;
1065 	u16                     current_vddc;
1066 	u16                     current_vddci;
1067 	u32                     default_sclk;
1068 	u32                     default_mclk;
1069 	u16                     default_vddc;
1070 	u16                     default_vddci;
1071 	struct radeon_i2c_chan *i2c_bus;
1072 	/* selected pm method */
1073 	enum radeon_pm_method     pm_method;
1074 	/* dynpm power management */
1075 	struct delayed_work	dynpm_idle_work;
1076 	enum radeon_dynpm_state	dynpm_state;
1077 	enum radeon_dynpm_action	dynpm_planned_action;
1078 	unsigned long		dynpm_action_timeout;
1079 	bool                    dynpm_can_upclock;
1080 	bool                    dynpm_can_downclock;
1081 	/* profile-based power management */
1082 	enum radeon_pm_profile_type profile;
1083 	int                     profile_index;
1084 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1085 	/* internal thermal controller on rv6xx+ */
1086 	enum radeon_int_thermal_type int_thermal_type;
1087 	struct device	        *int_hwmon_dev;
1088 };
1089 
1090 int radeon_pm_get_type_index(struct radeon_device *rdev,
1091 			     enum radeon_pm_state_type ps_type,
1092 			     int instance);
1093 
1094 /*
1095  * Benchmarking
1096  */
1097 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1098 
1099 
1100 /*
1101  * Testing
1102  */
1103 void radeon_test_moves(struct radeon_device *rdev);
1104 void radeon_test_ring_sync(struct radeon_device *rdev,
1105 			   struct radeon_ring *cpA,
1106 			   struct radeon_ring *cpB);
1107 void radeon_test_syncing(struct radeon_device *rdev);
1108 
1109 
1110 /*
1111  * Debugfs
1112  */
1113 struct radeon_debugfs {
1114 	struct drm_info_list	*files;
1115 	unsigned		num_files;
1116 };
1117 
1118 int radeon_debugfs_add_files(struct radeon_device *rdev,
1119 			     struct drm_info_list *files,
1120 			     unsigned nfiles);
1121 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1122 
1123 
1124 /*
1125  * ASIC specific functions.
1126  */
1127 struct radeon_asic {
1128 	int (*init)(struct radeon_device *rdev);
1129 	void (*fini)(struct radeon_device *rdev);
1130 	int (*resume)(struct radeon_device *rdev);
1131 	int (*suspend)(struct radeon_device *rdev);
1132 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1133 	bool (*gpu_is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1134 	int (*asic_reset)(struct radeon_device *rdev);
1135 	void (*gart_tlb_flush)(struct radeon_device *rdev);
1136 	int (*gart_set_page)(struct radeon_device *rdev, int i, uint64_t addr);
1137 	int (*cp_init)(struct radeon_device *rdev, unsigned ring_size);
1138 	void (*cp_fini)(struct radeon_device *rdev);
1139 	void (*cp_disable)(struct radeon_device *rdev);
1140 	void (*ring_start)(struct radeon_device *rdev);
1141 
1142 	struct {
1143 		void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1144 		int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1145 		void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1146 		void (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1147 				       struct radeon_semaphore *semaphore, bool emit_wait);
1148 	} ring[RADEON_NUM_RINGS];
1149 
1150 	int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1151 	int (*irq_set)(struct radeon_device *rdev);
1152 	int (*irq_process)(struct radeon_device *rdev);
1153 	u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1154 	int (*cs_parse)(struct radeon_cs_parser *p);
1155 	int (*copy_blit)(struct radeon_device *rdev,
1156 			 uint64_t src_offset,
1157 			 uint64_t dst_offset,
1158 			 unsigned num_gpu_pages,
1159 			 struct radeon_fence *fence);
1160 	int (*copy_dma)(struct radeon_device *rdev,
1161 			uint64_t src_offset,
1162 			uint64_t dst_offset,
1163 			unsigned num_gpu_pages,
1164 			struct radeon_fence *fence);
1165 	int (*copy)(struct radeon_device *rdev,
1166 		    uint64_t src_offset,
1167 		    uint64_t dst_offset,
1168 		    unsigned num_gpu_pages,
1169 		    struct radeon_fence *fence);
1170 	uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1171 	void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1172 	uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1173 	void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1174 	int (*get_pcie_lanes)(struct radeon_device *rdev);
1175 	void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1176 	void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1177 	int (*set_surface_reg)(struct radeon_device *rdev, int reg,
1178 			       uint32_t tiling_flags, uint32_t pitch,
1179 			       uint32_t offset, uint32_t obj_size);
1180 	void (*clear_surface_reg)(struct radeon_device *rdev, int reg);
1181 	void (*bandwidth_update)(struct radeon_device *rdev);
1182 	void (*hpd_init)(struct radeon_device *rdev);
1183 	void (*hpd_fini)(struct radeon_device *rdev);
1184 	bool (*hpd_sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1185 	void (*hpd_set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1186 	/* ioctl hw specific callback. Some hw might want to perform special
1187 	 * operation on specific ioctl. For instance on wait idle some hw
1188 	 * might want to perform and HDP flush through MMIO as it seems that
1189 	 * some R6XX/R7XX hw doesn't take HDP flush into account if programmed
1190 	 * through ring.
1191 	 */
1192 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
1193 	bool (*gui_idle)(struct radeon_device *rdev);
1194 	/* power management */
1195 	void (*pm_misc)(struct radeon_device *rdev);
1196 	void (*pm_prepare)(struct radeon_device *rdev);
1197 	void (*pm_finish)(struct radeon_device *rdev);
1198 	void (*pm_init_profile)(struct radeon_device *rdev);
1199 	void (*pm_get_dynpm_state)(struct radeon_device *rdev);
1200 	/* pageflipping */
1201 	void (*pre_page_flip)(struct radeon_device *rdev, int crtc);
1202 	u32 (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1203 	void (*post_page_flip)(struct radeon_device *rdev, int crtc);
1204 };
1205 
1206 /*
1207  * Asic structures
1208  */
1209 struct r100_gpu_lockup {
1210 	unsigned long	last_jiffies;
1211 	u32		last_cp_rptr;
1212 };
1213 
1214 struct r100_asic {
1215 	const unsigned		*reg_safe_bm;
1216 	unsigned		reg_safe_bm_size;
1217 	u32			hdp_cntl;
1218 	struct r100_gpu_lockup	lockup;
1219 };
1220 
1221 struct r300_asic {
1222 	const unsigned		*reg_safe_bm;
1223 	unsigned		reg_safe_bm_size;
1224 	u32			resync_scratch;
1225 	u32			hdp_cntl;
1226 	struct r100_gpu_lockup	lockup;
1227 };
1228 
1229 struct r600_asic {
1230 	unsigned		max_pipes;
1231 	unsigned		max_tile_pipes;
1232 	unsigned		max_simds;
1233 	unsigned		max_backends;
1234 	unsigned		max_gprs;
1235 	unsigned		max_threads;
1236 	unsigned		max_stack_entries;
1237 	unsigned		max_hw_contexts;
1238 	unsigned		max_gs_threads;
1239 	unsigned		sx_max_export_size;
1240 	unsigned		sx_max_export_pos_size;
1241 	unsigned		sx_max_export_smx_size;
1242 	unsigned		sq_num_cf_insts;
1243 	unsigned		tiling_nbanks;
1244 	unsigned		tiling_npipes;
1245 	unsigned		tiling_group_size;
1246 	unsigned		tile_config;
1247 	unsigned		backend_map;
1248 	struct r100_gpu_lockup	lockup;
1249 };
1250 
1251 struct rv770_asic {
1252 	unsigned		max_pipes;
1253 	unsigned		max_tile_pipes;
1254 	unsigned		max_simds;
1255 	unsigned		max_backends;
1256 	unsigned		max_gprs;
1257 	unsigned		max_threads;
1258 	unsigned		max_stack_entries;
1259 	unsigned		max_hw_contexts;
1260 	unsigned		max_gs_threads;
1261 	unsigned		sx_max_export_size;
1262 	unsigned		sx_max_export_pos_size;
1263 	unsigned		sx_max_export_smx_size;
1264 	unsigned		sq_num_cf_insts;
1265 	unsigned		sx_num_of_sets;
1266 	unsigned		sc_prim_fifo_size;
1267 	unsigned		sc_hiz_tile_fifo_size;
1268 	unsigned		sc_earlyz_tile_fifo_fize;
1269 	unsigned		tiling_nbanks;
1270 	unsigned		tiling_npipes;
1271 	unsigned		tiling_group_size;
1272 	unsigned		tile_config;
1273 	unsigned		backend_map;
1274 	struct r100_gpu_lockup	lockup;
1275 };
1276 
1277 struct evergreen_asic {
1278 	unsigned num_ses;
1279 	unsigned max_pipes;
1280 	unsigned max_tile_pipes;
1281 	unsigned max_simds;
1282 	unsigned max_backends;
1283 	unsigned max_gprs;
1284 	unsigned max_threads;
1285 	unsigned max_stack_entries;
1286 	unsigned max_hw_contexts;
1287 	unsigned max_gs_threads;
1288 	unsigned sx_max_export_size;
1289 	unsigned sx_max_export_pos_size;
1290 	unsigned sx_max_export_smx_size;
1291 	unsigned sq_num_cf_insts;
1292 	unsigned sx_num_of_sets;
1293 	unsigned sc_prim_fifo_size;
1294 	unsigned sc_hiz_tile_fifo_size;
1295 	unsigned sc_earlyz_tile_fifo_size;
1296 	unsigned tiling_nbanks;
1297 	unsigned tiling_npipes;
1298 	unsigned tiling_group_size;
1299 	unsigned tile_config;
1300 	unsigned backend_map;
1301 	struct r100_gpu_lockup	lockup;
1302 };
1303 
1304 struct cayman_asic {
1305 	unsigned max_shader_engines;
1306 	unsigned max_pipes_per_simd;
1307 	unsigned max_tile_pipes;
1308 	unsigned max_simds_per_se;
1309 	unsigned max_backends_per_se;
1310 	unsigned max_texture_channel_caches;
1311 	unsigned max_gprs;
1312 	unsigned max_threads;
1313 	unsigned max_gs_threads;
1314 	unsigned max_stack_entries;
1315 	unsigned sx_num_of_sets;
1316 	unsigned sx_max_export_size;
1317 	unsigned sx_max_export_pos_size;
1318 	unsigned sx_max_export_smx_size;
1319 	unsigned max_hw_contexts;
1320 	unsigned sq_num_cf_insts;
1321 	unsigned sc_prim_fifo_size;
1322 	unsigned sc_hiz_tile_fifo_size;
1323 	unsigned sc_earlyz_tile_fifo_size;
1324 
1325 	unsigned num_shader_engines;
1326 	unsigned num_shader_pipes_per_simd;
1327 	unsigned num_tile_pipes;
1328 	unsigned num_simds_per_se;
1329 	unsigned num_backends_per_se;
1330 	unsigned backend_disable_mask_per_asic;
1331 	unsigned backend_map;
1332 	unsigned num_texture_channel_caches;
1333 	unsigned mem_max_burst_length_bytes;
1334 	unsigned mem_row_size_in_kb;
1335 	unsigned shader_engine_tile_size;
1336 	unsigned num_gpus;
1337 	unsigned multi_gpu_tile_size;
1338 
1339 	unsigned tile_config;
1340 	struct r100_gpu_lockup	lockup;
1341 };
1342 
1343 union radeon_asic_config {
1344 	struct r300_asic	r300;
1345 	struct r100_asic	r100;
1346 	struct r600_asic	r600;
1347 	struct rv770_asic	rv770;
1348 	struct evergreen_asic	evergreen;
1349 	struct cayman_asic	cayman;
1350 };
1351 
1352 /*
1353  * asic initizalization from radeon_asic.c
1354  */
1355 void radeon_agp_disable(struct radeon_device *rdev);
1356 int radeon_asic_init(struct radeon_device *rdev);
1357 
1358 
1359 /*
1360  * IOCTL.
1361  */
1362 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
1363 			  struct drm_file *filp);
1364 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
1365 			    struct drm_file *filp);
1366 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
1367 			 struct drm_file *file_priv);
1368 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
1369 			   struct drm_file *file_priv);
1370 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
1371 			    struct drm_file *file_priv);
1372 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
1373 			   struct drm_file *file_priv);
1374 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
1375 				struct drm_file *filp);
1376 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
1377 			  struct drm_file *filp);
1378 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
1379 			  struct drm_file *filp);
1380 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1381 			      struct drm_file *filp);
1382 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
1383 			  struct drm_file *filp);
1384 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1385 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
1386 				struct drm_file *filp);
1387 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
1388 				struct drm_file *filp);
1389 
1390 /* VRAM scratch page for HDP bug, default vram page */
1391 struct r600_vram_scratch {
1392 	struct radeon_bo		*robj;
1393 	volatile uint32_t		*ptr;
1394 	u64				gpu_addr;
1395 };
1396 
1397 
1398 /*
1399  * Core structure, functions and helpers.
1400  */
1401 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
1402 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
1403 
1404 struct radeon_device {
1405 	struct device			*dev;
1406 	struct drm_device		*ddev;
1407 	struct pci_dev			*pdev;
1408 	/* ASIC */
1409 	union radeon_asic_config	config;
1410 	enum radeon_family		family;
1411 	unsigned long			flags;
1412 	int				usec_timeout;
1413 	enum radeon_pll_errata		pll_errata;
1414 	int				num_gb_pipes;
1415 	int				num_z_pipes;
1416 	int				disp_priority;
1417 	/* BIOS */
1418 	uint8_t				*bios;
1419 	bool				is_atom_bios;
1420 	uint16_t			bios_header_start;
1421 	struct radeon_bo		*stollen_vga_memory;
1422 	/* Register mmio */
1423 	resource_size_t			rmmio_base;
1424 	resource_size_t			rmmio_size;
1425 	void __iomem			*rmmio;
1426 	radeon_rreg_t			mc_rreg;
1427 	radeon_wreg_t			mc_wreg;
1428 	radeon_rreg_t			pll_rreg;
1429 	radeon_wreg_t			pll_wreg;
1430 	uint32_t                        pcie_reg_mask;
1431 	radeon_rreg_t			pciep_rreg;
1432 	radeon_wreg_t			pciep_wreg;
1433 	/* io port */
1434 	void __iomem                    *rio_mem;
1435 	resource_size_t			rio_mem_size;
1436 	struct radeon_clock             clock;
1437 	struct radeon_mc		mc;
1438 	struct radeon_gart		gart;
1439 	struct radeon_mode_info		mode_info;
1440 	struct radeon_scratch		scratch;
1441 	struct radeon_mman		mman;
1442 	rwlock_t			fence_lock;
1443 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
1444 	struct radeon_semaphore_driver	semaphore_drv;
1445 	struct radeon_ring		ring[RADEON_NUM_RINGS];
1446 	struct radeon_ib_pool		ib_pool;
1447 	struct radeon_irq		irq;
1448 	struct radeon_asic		*asic;
1449 	struct radeon_gem		gem;
1450 	struct radeon_pm		pm;
1451 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
1452 	struct radeon_mutex		cs_mutex;
1453 	struct radeon_wb		wb;
1454 	struct radeon_dummy_page	dummy_page;
1455 	bool				gpu_lockup;
1456 	bool				shutdown;
1457 	bool				suspend;
1458 	bool				need_dma32;
1459 	bool				accel_working;
1460 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
1461 	const struct firmware *me_fw;	/* all family ME firmware */
1462 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
1463 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
1464 	const struct firmware *mc_fw;	/* NI MC firmware */
1465 	struct r600_blit r600_blit;
1466 	struct r600_vram_scratch vram_scratch;
1467 	int msi_enabled; /* msi enabled */
1468 	struct r600_ih ih; /* r6/700 interrupt ring */
1469 	struct work_struct hotplug_work;
1470 	int num_crtc; /* number of crtcs */
1471 	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
1472 	struct mutex vram_mutex;
1473 
1474 	/* audio stuff */
1475 	bool			audio_enabled;
1476 	struct timer_list	audio_timer;
1477 	int			audio_channels;
1478 	int			audio_rate;
1479 	int			audio_bits_per_sample;
1480 	uint8_t			audio_status_bits;
1481 	uint8_t			audio_category_code;
1482 
1483 	struct notifier_block acpi_nb;
1484 	/* only one userspace can use Hyperz features or CMASK at a time */
1485 	struct drm_file *hyperz_filp;
1486 	struct drm_file *cmask_filp;
1487 	/* i2c buses */
1488 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
1489 	/* debugfs */
1490 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
1491 	unsigned 		debugfs_count;
1492 	/* virtual memory */
1493 	struct radeon_vm_manager	vm_manager;
1494 	/* ring used for bo copies */
1495 	u32				copy_ring;
1496 };
1497 
1498 int radeon_device_init(struct radeon_device *rdev,
1499 		       struct drm_device *ddev,
1500 		       struct pci_dev *pdev,
1501 		       uint32_t flags);
1502 void radeon_device_fini(struct radeon_device *rdev);
1503 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
1504 
1505 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg);
1506 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
1507 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
1508 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
1509 
1510 /*
1511  * Cast helper
1512  */
1513 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
1514 
1515 /*
1516  * Registers read & write functions.
1517  */
1518 #define RREG8(reg) readb((rdev->rmmio) + (reg))
1519 #define WREG8(reg, v) writeb(v, (rdev->rmmio) + (reg))
1520 #define RREG16(reg) readw((rdev->rmmio) + (reg))
1521 #define WREG16(reg, v) writew(v, (rdev->rmmio) + (reg))
1522 #define RREG32(reg) r100_mm_rreg(rdev, (reg))
1523 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg)))
1524 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v))
1525 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1526 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1527 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
1528 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
1529 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
1530 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
1531 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
1532 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
1533 #define RREG32_PCIE_P(reg) rdev->pciep_rreg(rdev, (reg))
1534 #define WREG32_PCIE_P(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
1535 #define WREG32_P(reg, val, mask)				\
1536 	do {							\
1537 		uint32_t tmp_ = RREG32(reg);			\
1538 		tmp_ &= (mask);					\
1539 		tmp_ |= ((val) & ~(mask));			\
1540 		WREG32(reg, tmp_);				\
1541 	} while (0)
1542 #define WREG32_PLL_P(reg, val, mask)				\
1543 	do {							\
1544 		uint32_t tmp_ = RREG32_PLL(reg);		\
1545 		tmp_ &= (mask);					\
1546 		tmp_ |= ((val) & ~(mask));			\
1547 		WREG32_PLL(reg, tmp_);				\
1548 	} while (0)
1549 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg)))
1550 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
1551 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
1552 
1553 /*
1554  * Indirect registers accessor
1555  */
rv370_pcie_rreg(struct radeon_device * rdev,uint32_t reg)1556 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
1557 {
1558 	uint32_t r;
1559 
1560 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
1561 	r = RREG32(RADEON_PCIE_DATA);
1562 	return r;
1563 }
1564 
rv370_pcie_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)1565 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1566 {
1567 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
1568 	WREG32(RADEON_PCIE_DATA, (v));
1569 }
1570 
1571 void r100_pll_errata_after_index(struct radeon_device *rdev);
1572 
1573 
1574 /*
1575  * ASICs helpers.
1576  */
1577 #define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
1578 			    (rdev->pdev->device == 0x5969))
1579 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
1580 		(rdev->family == CHIP_RV200) || \
1581 		(rdev->family == CHIP_RS100) || \
1582 		(rdev->family == CHIP_RS200) || \
1583 		(rdev->family == CHIP_RV250) || \
1584 		(rdev->family == CHIP_RV280) || \
1585 		(rdev->family == CHIP_RS300))
1586 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
1587 		(rdev->family == CHIP_RV350) ||			\
1588 		(rdev->family == CHIP_R350)  ||			\
1589 		(rdev->family == CHIP_RV380) ||			\
1590 		(rdev->family == CHIP_R420)  ||			\
1591 		(rdev->family == CHIP_R423)  ||			\
1592 		(rdev->family == CHIP_RV410) ||			\
1593 		(rdev->family == CHIP_RS400) ||			\
1594 		(rdev->family == CHIP_RS480))
1595 #define ASIC_IS_X2(rdev) ((rdev->ddev->pdev->device == 0x9441) || \
1596 		(rdev->ddev->pdev->device == 0x9443) || \
1597 		(rdev->ddev->pdev->device == 0x944B) || \
1598 		(rdev->ddev->pdev->device == 0x9506) || \
1599 		(rdev->ddev->pdev->device == 0x9509) || \
1600 		(rdev->ddev->pdev->device == 0x950F) || \
1601 		(rdev->ddev->pdev->device == 0x689C) || \
1602 		(rdev->ddev->pdev->device == 0x689D))
1603 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
1604 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
1605 			    (rdev->family == CHIP_RS690)  ||	\
1606 			    (rdev->family == CHIP_RS740)  ||	\
1607 			    (rdev->family >= CHIP_R600))
1608 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
1609 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
1610 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
1611 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
1612 			     (rdev->flags & RADEON_IS_IGP))
1613 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
1614 
1615 /*
1616  * BIOS helpers.
1617  */
1618 #define RBIOS8(i) (rdev->bios[i])
1619 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1620 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1621 
1622 int radeon_combios_init(struct radeon_device *rdev);
1623 void radeon_combios_fini(struct radeon_device *rdev);
1624 int radeon_atombios_init(struct radeon_device *rdev);
1625 void radeon_atombios_fini(struct radeon_device *rdev);
1626 
1627 
1628 /*
1629  * RING helpers.
1630  */
1631 #if DRM_DEBUG_CODE == 0
radeon_ring_write(struct radeon_ring * ring,uint32_t v)1632 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
1633 {
1634 	ring->ring[ring->wptr++] = v;
1635 	ring->wptr &= ring->ptr_mask;
1636 	ring->count_dw--;
1637 	ring->ring_free_dw--;
1638 }
1639 #else
1640 /* With debugging this is just too big to inline */
1641 void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
1642 #endif
1643 
1644 /*
1645  * ASICs macro.
1646  */
1647 #define radeon_init(rdev) (rdev)->asic->init((rdev))
1648 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
1649 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
1650 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
1651 #define radeon_cs_parse(p) rdev->asic->cs_parse((p))
1652 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
1653 #define radeon_gpu_is_lockup(rdev, cp) (rdev)->asic->gpu_is_lockup((rdev), (cp))
1654 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
1655 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart_tlb_flush((rdev))
1656 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart_set_page((rdev), (i), (p))
1657 #define radeon_ring_start(rdev) (rdev)->asic->ring_start((rdev))
1658 #define radeon_ring_test(rdev, cp) (rdev)->asic->ring_test((rdev), (cp))
1659 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)].ib_execute((rdev), (ib))
1660 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)].ib_parse((rdev), (ib))
1661 #define radeon_irq_set(rdev) (rdev)->asic->irq_set((rdev))
1662 #define radeon_irq_process(rdev) (rdev)->asic->irq_process((rdev))
1663 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->get_vblank_counter((rdev), (crtc))
1664 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)].emit_fence((rdev), (fence))
1665 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)].emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
1666 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy_blit((rdev), (s), (d), (np), (f))
1667 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy_dma((rdev), (s), (d), (np), (f))
1668 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy((rdev), (s), (d), (np), (f))
1669 #define radeon_get_engine_clock(rdev) (rdev)->asic->get_engine_clock((rdev))
1670 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->set_engine_clock((rdev), (e))
1671 #define radeon_get_memory_clock(rdev) (rdev)->asic->get_memory_clock((rdev))
1672 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->set_memory_clock((rdev), (e))
1673 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->get_pcie_lanes((rdev))
1674 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->set_pcie_lanes((rdev), (l))
1675 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->set_clock_gating((rdev), (e))
1676 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->set_surface_reg((rdev), (r), (f), (p), (o), (s)))
1677 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->clear_surface_reg((rdev), (r)))
1678 #define radeon_bandwidth_update(rdev) (rdev)->asic->bandwidth_update((rdev))
1679 #define radeon_hpd_init(rdev) (rdev)->asic->hpd_init((rdev))
1680 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd_fini((rdev))
1681 #define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
1682 #define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
1683 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
1684 #define radeon_pm_misc(rdev) (rdev)->asic->pm_misc((rdev))
1685 #define radeon_pm_prepare(rdev) (rdev)->asic->pm_prepare((rdev))
1686 #define radeon_pm_finish(rdev) (rdev)->asic->pm_finish((rdev))
1687 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm_init_profile((rdev))
1688 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm_get_dynpm_state((rdev))
1689 #define radeon_pre_page_flip(rdev, crtc) rdev->asic->pre_page_flip((rdev), (crtc))
1690 #define radeon_page_flip(rdev, crtc, base) rdev->asic->page_flip((rdev), (crtc), (base))
1691 #define radeon_post_page_flip(rdev, crtc) rdev->asic->post_page_flip((rdev), (crtc))
1692 
1693 /* Common functions */
1694 /* AGP */
1695 extern int radeon_gpu_reset(struct radeon_device *rdev);
1696 extern void radeon_agp_disable(struct radeon_device *rdev);
1697 extern int radeon_modeset_init(struct radeon_device *rdev);
1698 extern void radeon_modeset_fini(struct radeon_device *rdev);
1699 extern bool radeon_card_posted(struct radeon_device *rdev);
1700 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
1701 extern void radeon_update_display_priority(struct radeon_device *rdev);
1702 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
1703 extern void radeon_scratch_init(struct radeon_device *rdev);
1704 extern void radeon_wb_fini(struct radeon_device *rdev);
1705 extern int radeon_wb_init(struct radeon_device *rdev);
1706 extern void radeon_wb_disable(struct radeon_device *rdev);
1707 extern void radeon_surface_init(struct radeon_device *rdev);
1708 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
1709 extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
1710 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
1711 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
1712 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
1713 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
1714 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
1715 extern int radeon_resume_kms(struct drm_device *dev);
1716 extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
1717 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
1718 
1719 /*
1720  * vm
1721  */
1722 int radeon_vm_manager_init(struct radeon_device *rdev);
1723 void radeon_vm_manager_fini(struct radeon_device *rdev);
1724 int radeon_vm_manager_start(struct radeon_device *rdev);
1725 int radeon_vm_manager_suspend(struct radeon_device *rdev);
1726 int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
1727 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
1728 int radeon_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm);
1729 void radeon_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm);
1730 int radeon_vm_bo_update_pte(struct radeon_device *rdev,
1731 			    struct radeon_vm *vm,
1732 			    struct radeon_bo *bo,
1733 			    struct ttm_mem_reg *mem);
1734 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
1735 			     struct radeon_bo *bo);
1736 int radeon_vm_bo_add(struct radeon_device *rdev,
1737 		     struct radeon_vm *vm,
1738 		     struct radeon_bo *bo,
1739 		     uint64_t offset,
1740 		     uint32_t flags);
1741 int radeon_vm_bo_rmv(struct radeon_device *rdev,
1742 		     struct radeon_vm *vm,
1743 		     struct radeon_bo *bo);
1744 
1745 
1746 /*
1747  * R600 vram scratch functions
1748  */
1749 int r600_vram_scratch_init(struct radeon_device *rdev);
1750 void r600_vram_scratch_fini(struct radeon_device *rdev);
1751 
1752 /*
1753  * r600 functions used by radeon_encoder.c
1754  */
1755 extern void r600_hdmi_enable(struct drm_encoder *encoder);
1756 extern void r600_hdmi_disable(struct drm_encoder *encoder);
1757 extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
1758 
1759 extern int ni_init_microcode(struct radeon_device *rdev);
1760 extern int ni_mc_load_microcode(struct radeon_device *rdev);
1761 
1762 /* radeon_acpi.c */
1763 #if defined(CONFIG_ACPI)
1764 extern int radeon_acpi_init(struct radeon_device *rdev);
1765 #else
radeon_acpi_init(struct radeon_device * rdev)1766 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
1767 #endif
1768 
1769 #include "radeon_object.h"
1770 
1771 #endif
1772