xref: /freebsd-11-stable/sys/dev/drm2/radeon/radeon.h (revision 98e0ffaefb0f241cda3a72395d3be04192ae0d47)
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 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #ifndef __RADEON_H__
33 #define __RADEON_H__
34 
35 /* TODO: Here are things that needs to be done :
36  *	- surface allocator & initializer : (bit like scratch reg) should
37  *	  initialize HDP_ stuff on RS600, R600, R700 hw, well anythings
38  *	  related to surface
39  *	- WB : write back stuff (do it bit like scratch reg things)
40  *	- Vblank : look at Jesse's rework and what we should do
41  *	- r600/r700: gart & cp
42  *	- cs : clean cs ioctl use bitmap & things like that.
43  *	- power management stuff
44  *	- Barrier in gart code
45  *	- Unmappabled vram ?
46  *	- TESTING, TESTING, TESTING
47  */
48 
49 /* Initialization path:
50  *  We expect that acceleration initialization might fail for various
51  *  reasons even thought we work hard to make it works on most
52  *  configurations. In order to still have a working userspace in such
53  *  situation the init path must succeed up to the memory controller
54  *  initialization point. Failure before this point are considered as
55  *  fatal error. Here is the init callchain :
56  *      radeon_device_init  perform common structure, mutex initialization
57  *      asic_init           setup the GPU memory layout and perform all
58  *                          one time initialization (failure in this
59  *                          function are considered fatal)
60  *      asic_startup        setup the GPU acceleration, in order to
61  *                          follow guideline the first thing this
62  *                          function should do is setting the GPU
63  *                          memory controller (only MC setup failure
64  *                          are considered as fatal)
65  */
66 
67 #include <sys/cdefs.h>
68 __FBSDID("$FreeBSD$");
69 
70 #include <sys/param.h>
71 #include <sys/systm.h>
72 #include <sys/linker.h>
73 #include <sys/firmware.h>
74 
75 #if defined(CONFIG_ACPI)
76 #include <contrib/dev/acpica/include/acpi.h>
77 #include <dev/acpica/acpivar.h>
78 #endif
79 
80 #include <dev/drm2/ttm/ttm_bo_api.h>
81 #include <dev/drm2/ttm/ttm_bo_driver.h>
82 #include <dev/drm2/ttm/ttm_placement.h>
83 #include <dev/drm2/ttm/ttm_module.h>
84 #include <dev/drm2/ttm/ttm_execbuf_util.h>
85 
86 #include "radeon_family.h"
87 #include "radeon_mode.h"
88 #include "radeon_reg.h"
89 
90 /*
91  * Modules parameters.
92  */
93 extern int radeon_no_wb;
94 extern int radeon_modeset;
95 extern int radeon_dynclks;
96 extern int radeon_r4xx_atom;
97 extern int radeon_agpmode;
98 extern int radeon_vram_limit;
99 extern int radeon_gart_size;
100 extern int radeon_benchmarking;
101 extern int radeon_testing;
102 extern int radeon_connector_table;
103 extern int radeon_tv;
104 extern int radeon_audio;
105 extern int radeon_disp_priority;
106 extern int radeon_hw_i2c;
107 extern int radeon_pcie_gen2;
108 extern int radeon_msi;
109 extern int radeon_lockup_timeout;
110 
111 /*
112  * Copy from radeon_drv.h so we don't have to include both and have conflicting
113  * symbol;
114  */
115 #define RADEON_MAX_USEC_TIMEOUT			100000	/* 100 ms */
116 #define RADEON_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
117 /* RADEON_IB_POOL_SIZE must be a power of 2 */
118 #define RADEON_IB_POOL_SIZE			16
119 #define RADEON_DEBUGFS_MAX_COMPONENTS		32
120 #define RADEONFB_CONN_LIMIT			4
121 #define RADEON_BIOS_NUM_SCRATCH			8
122 
123 /* max number of rings */
124 #define RADEON_NUM_RINGS			5
125 
126 /* fence seq are set to this number when signaled */
127 #define RADEON_FENCE_SIGNALED_SEQ		0LL
128 
129 /* internal ring indices */
130 /* r1xx+ has gfx CP ring */
131 #define RADEON_RING_TYPE_GFX_INDEX		0
132 
133 /* cayman has 2 compute CP rings */
134 #define CAYMAN_RING_TYPE_CP1_INDEX		1
135 #define CAYMAN_RING_TYPE_CP2_INDEX		2
136 
137 /* R600+ has an async dma ring */
138 #define R600_RING_TYPE_DMA_INDEX		3
139 /* cayman add a second async dma ring */
140 #define CAYMAN_RING_TYPE_DMA1_INDEX		4
141 
142 /* hardcode those limit for now */
143 #define RADEON_VA_IB_OFFSET			(1 << 20)
144 #define RADEON_VA_RESERVED_SIZE			(8 << 20)
145 #define RADEON_IB_VM_MAX_SIZE			(64 << 10)
146 
147 /* reset flags */
148 #define RADEON_RESET_GFX			(1 << 0)
149 #define RADEON_RESET_COMPUTE			(1 << 1)
150 #define RADEON_RESET_DMA			(1 << 2)
151 
152 /*
153  * Errata workarounds.
154  */
155 enum radeon_pll_errata {
156 	CHIP_ERRATA_R300_CG             = 0x00000001,
157 	CHIP_ERRATA_PLL_DUMMYREADS      = 0x00000002,
158 	CHIP_ERRATA_PLL_DELAY           = 0x00000004
159 };
160 
161 
162 struct radeon_device;
163 
164 
165 /*
166  * BIOS.
167  */
168 bool radeon_get_bios(struct radeon_device *rdev);
169 
170 /*
171  * Dummy page
172  */
173 struct radeon_dummy_page {
174 	drm_dma_handle_t *dmah;
175 	dma_addr_t	addr;
176 };
177 int radeon_dummy_page_init(struct radeon_device *rdev);
178 void radeon_dummy_page_fini(struct radeon_device *rdev);
179 
180 
181 /*
182  * Clocks
183  */
184 struct radeon_clock {
185 	struct radeon_pll p1pll;
186 	struct radeon_pll p2pll;
187 	struct radeon_pll dcpll;
188 	struct radeon_pll spll;
189 	struct radeon_pll mpll;
190 	/* 10 Khz units */
191 	uint32_t default_mclk;
192 	uint32_t default_sclk;
193 	uint32_t default_dispclk;
194 	uint32_t dp_extclk;
195 	uint32_t max_pixel_clock;
196 };
197 
198 /*
199  * Power management
200  */
201 int radeon_pm_init(struct radeon_device *rdev);
202 void radeon_pm_fini(struct radeon_device *rdev);
203 void radeon_pm_compute_clocks(struct radeon_device *rdev);
204 void radeon_pm_suspend(struct radeon_device *rdev);
205 void radeon_pm_resume(struct radeon_device *rdev);
206 void radeon_combios_get_power_modes(struct radeon_device *rdev);
207 void radeon_atombios_get_power_modes(struct radeon_device *rdev);
208 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
209 void rs690_pm_info(struct radeon_device *rdev);
210 extern int rv6xx_get_temp(struct radeon_device *rdev);
211 extern int rv770_get_temp(struct radeon_device *rdev);
212 extern int evergreen_get_temp(struct radeon_device *rdev);
213 extern int sumo_get_temp(struct radeon_device *rdev);
214 extern int si_get_temp(struct radeon_device *rdev);
215 extern void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
216 				    unsigned *bankh, unsigned *mtaspect,
217 				    unsigned *tile_split);
218 
219 /*
220  * Fences.
221  */
222 struct radeon_fence_driver {
223 	uint32_t			scratch_reg;
224 	uint64_t			gpu_addr;
225 	volatile uint32_t		*cpu_addr;
226 	/* sync_seq is protected by ring emission lock */
227 	uint64_t			sync_seq[RADEON_NUM_RINGS];
228 	atomic64_t			last_seq;
229 	unsigned long			last_activity;
230 	bool				initialized;
231 };
232 
233 struct radeon_fence {
234 	struct radeon_device		*rdev;
235 	unsigned int			kref;
236 	/* protected by radeon_fence.lock */
237 	uint64_t			seq;
238 	/* RB, DMA, etc. */
239 	unsigned			ring;
240 };
241 
242 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring);
243 int radeon_fence_driver_init(struct radeon_device *rdev);
244 void radeon_fence_driver_fini(struct radeon_device *rdev);
245 void radeon_fence_driver_force_completion(struct radeon_device *rdev);
246 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence **fence, int ring);
247 void radeon_fence_process(struct radeon_device *rdev, int ring);
248 bool radeon_fence_signaled(struct radeon_fence *fence);
249 int radeon_fence_wait(struct radeon_fence *fence, bool interruptible);
250 int radeon_fence_wait_next_locked(struct radeon_device *rdev, int ring);
251 int radeon_fence_wait_empty_locked(struct radeon_device *rdev, int ring);
252 int radeon_fence_wait_any(struct radeon_device *rdev,
253 			  struct radeon_fence **fences,
254 			  bool intr);
255 struct radeon_fence *radeon_fence_ref(struct radeon_fence *fence);
256 void radeon_fence_unref(struct radeon_fence **fence);
257 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring);
258 bool radeon_fence_need_sync(struct radeon_fence *fence, int ring);
259 void radeon_fence_note_sync(struct radeon_fence *fence, int ring);
radeon_fence_later(struct radeon_fence * a,struct radeon_fence * b)260 static inline struct radeon_fence *radeon_fence_later(struct radeon_fence *a,
261 						      struct radeon_fence *b)
262 {
263 	if (!a) {
264 		return b;
265 	}
266 
267 	if (!b) {
268 		return a;
269 	}
270 
271 	KASSERT(a->ring == b->ring, ("\"a\" and \"b\" belongs to different rings"));
272 
273 	if (a->seq > b->seq) {
274 		return a;
275 	} else {
276 		return b;
277 	}
278 }
279 
radeon_fence_is_earlier(struct radeon_fence * a,struct radeon_fence * b)280 static inline bool radeon_fence_is_earlier(struct radeon_fence *a,
281 					   struct radeon_fence *b)
282 {
283 	if (!a) {
284 		return false;
285 	}
286 
287 	if (!b) {
288 		return true;
289 	}
290 
291 	KASSERT(a->ring == b->ring, ("\"a\" and \"b\" belongs to different rings"));
292 
293 	return a->seq < b->seq;
294 }
295 
296 /*
297  * Tiling registers
298  */
299 struct radeon_surface_reg {
300 	struct radeon_bo *bo;
301 };
302 
303 #define RADEON_GEM_MAX_SURFACES 8
304 
305 /*
306  * TTM.
307  */
308 struct radeon_mman {
309 	struct ttm_bo_global_ref        bo_global_ref;
310 	struct drm_global_reference	mem_global_ref;
311 	struct ttm_bo_device		bdev;
312 	bool				mem_global_referenced;
313 	bool				initialized;
314 };
315 
316 /* bo virtual address in a specific vm */
317 struct radeon_bo_va {
318 	/* protected by bo being reserved */
319 	struct list_head		bo_list;
320 	uint64_t			soffset;
321 	uint64_t			eoffset;
322 	uint32_t			flags;
323 	bool				valid;
324 	unsigned			ref_count;
325 
326 	/* protected by vm mutex */
327 	struct list_head		vm_list;
328 
329 	/* constant after initialization */
330 	struct radeon_vm		*vm;
331 	struct radeon_bo		*bo;
332 };
333 
334 struct radeon_bo {
335 	/* Protected by gem.mutex */
336 	struct list_head		list;
337 	/* Protected by tbo.reserved */
338 	u32				placements[3];
339 	struct ttm_placement		placement;
340 	struct ttm_buffer_object	tbo;
341 	struct ttm_bo_kmap_obj		kmap;
342 	unsigned			pin_count;
343 	void				*kptr;
344 	u32				tiling_flags;
345 	u32				pitch;
346 	int				surface_reg;
347 	/* list of all virtual address to which this bo
348 	 * is associated to
349 	 */
350 	struct list_head		va;
351 	/* Constant after initialization */
352 	struct radeon_device		*rdev;
353 	struct drm_gem_object		gem_base;
354 
355 	struct ttm_bo_kmap_obj dma_buf_vmap;
356 	int vmapping_count;
357 };
358 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
359 
360 struct radeon_bo_list {
361 	struct ttm_validate_buffer tv;
362 	struct radeon_bo	*bo;
363 	uint64_t		gpu_offset;
364 	unsigned		rdomain;
365 	unsigned		wdomain;
366 	u32			tiling_flags;
367 };
368 
369 /* sub-allocation manager, it has to be protected by another lock.
370  * By conception this is an helper for other part of the driver
371  * like the indirect buffer or semaphore, which both have their
372  * locking.
373  *
374  * Principe is simple, we keep a list of sub allocation in offset
375  * order (first entry has offset == 0, last entry has the highest
376  * offset).
377  *
378  * When allocating new object we first check if there is room at
379  * the end total_size - (last_object_offset + last_object_size) >=
380  * alloc_size. If so we allocate new object there.
381  *
382  * When there is not enough room at the end, we start waiting for
383  * each sub object until we reach object_offset+object_size >=
384  * alloc_size, this object then become the sub object we return.
385  *
386  * Alignment can't be bigger than page size.
387  *
388  * Hole are not considered for allocation to keep things simple.
389  * Assumption is that there won't be hole (all object on same
390  * alignment).
391  */
392 struct radeon_sa_manager {
393 	struct cv		wq;
394 	struct sx		wq_lock;
395 	struct radeon_bo	*bo;
396 	struct list_head	*hole;
397 	struct list_head	flist[RADEON_NUM_RINGS];
398 	struct list_head	olist;
399 	unsigned		size;
400 	uint64_t		gpu_addr;
401 	void			*cpu_ptr;
402 	uint32_t		domain;
403 };
404 
405 struct radeon_sa_bo;
406 
407 /* sub-allocation buffer */
408 struct radeon_sa_bo {
409 	struct list_head		olist;
410 	struct list_head		flist;
411 	struct radeon_sa_manager	*manager;
412 	unsigned			soffset;
413 	unsigned			eoffset;
414 	struct radeon_fence		*fence;
415 };
416 
417 /*
418  * GEM objects.
419  */
420 struct radeon_gem {
421 	struct sx		mutex;
422 	struct list_head	objects;
423 };
424 
425 int radeon_gem_init(struct radeon_device *rdev);
426 void radeon_gem_fini(struct radeon_device *rdev);
427 int radeon_gem_object_create(struct radeon_device *rdev, int size,
428 				int alignment, int initial_domain,
429 				bool discardable, bool kernel,
430 				struct drm_gem_object **obj);
431 
432 int radeon_mode_dumb_create(struct drm_file *file_priv,
433 			    struct drm_device *dev,
434 			    struct drm_mode_create_dumb *args);
435 int radeon_mode_dumb_mmap(struct drm_file *filp,
436 			  struct drm_device *dev,
437 			  uint32_t handle, uint64_t *offset_p);
438 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
439 			     struct drm_device *dev,
440 			     uint32_t handle);
441 
442 /*
443  * Semaphores.
444  */
445 /* everything here is constant */
446 struct radeon_semaphore {
447 	struct radeon_sa_bo		*sa_bo;
448 	signed				waiters;
449 	uint64_t			gpu_addr;
450 };
451 
452 int radeon_semaphore_create(struct radeon_device *rdev,
453 			    struct radeon_semaphore **semaphore);
454 void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
455 				  struct radeon_semaphore *semaphore);
456 void radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
457 				struct radeon_semaphore *semaphore);
458 int radeon_semaphore_sync_rings(struct radeon_device *rdev,
459 				struct radeon_semaphore *semaphore,
460 				int signaler, int waiter);
461 void radeon_semaphore_free(struct radeon_device *rdev,
462 			   struct radeon_semaphore **semaphore,
463 			   struct radeon_fence *fence);
464 
465 /*
466  * GART structures, functions & helpers
467  */
468 struct radeon_mc;
469 
470 #define RADEON_GPU_PAGE_SIZE 4096
471 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
472 #define RADEON_GPU_PAGE_SHIFT 12
473 #define RADEON_GPU_PAGE_ALIGN(a) (((a) + RADEON_GPU_PAGE_MASK) & ~RADEON_GPU_PAGE_MASK)
474 
475 struct radeon_gart {
476 	drm_dma_handle_t		*dmah;
477 	dma_addr_t			table_addr;
478 	struct radeon_bo		*robj;
479 	void				*ptr;
480 	unsigned			num_gpu_pages;
481 	unsigned			num_cpu_pages;
482 	unsigned			table_size;
483 	vm_page_t			*pages;
484 	dma_addr_t			*pages_addr;
485 	bool				ready;
486 };
487 
488 int radeon_gart_table_ram_alloc(struct radeon_device *rdev);
489 void radeon_gart_table_ram_free(struct radeon_device *rdev);
490 int radeon_gart_table_vram_alloc(struct radeon_device *rdev);
491 void radeon_gart_table_vram_free(struct radeon_device *rdev);
492 int radeon_gart_table_vram_pin(struct radeon_device *rdev);
493 void radeon_gart_table_vram_unpin(struct radeon_device *rdev);
494 int radeon_gart_init(struct radeon_device *rdev);
495 void radeon_gart_fini(struct radeon_device *rdev);
496 void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
497 			int pages);
498 int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
499 		     int pages, vm_page_t *pagelist,
500 		     dma_addr_t *dma_addr);
501 void radeon_gart_restore(struct radeon_device *rdev);
502 
503 
504 /*
505  * GPU MC structures, functions & helpers
506  */
507 struct radeon_mc {
508 	resource_size_t		aper_size;
509 	resource_size_t		aper_base;
510 	resource_size_t		agp_base;
511 	/* for some chips with <= 32MB we need to lie
512 	 * about vram size near mc fb location */
513 	u64			mc_vram_size;
514 	u64			visible_vram_size;
515 	u64			gtt_size;
516 	u64			gtt_start;
517 	u64			gtt_end;
518 	u64			vram_start;
519 	u64			vram_end;
520 	unsigned		vram_width;
521 	u64			real_vram_size;
522 	int			vram_mtrr;
523 	bool			vram_is_ddr;
524 	bool			igp_sideport_enabled;
525 	u64                     gtt_base_align;
526 };
527 
528 bool radeon_combios_sideport_present(struct radeon_device *rdev);
529 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
530 
531 /*
532  * GPU scratch registers structures, functions & helpers
533  */
534 struct radeon_scratch {
535 	unsigned		num_reg;
536 	uint32_t                reg_base;
537 	bool			free[32];
538 	uint32_t		reg[32];
539 };
540 
541 int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg);
542 void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg);
543 
544 
545 /*
546  * IRQS.
547  */
548 
549 struct radeon_unpin_work {
550 	struct task work;
551 	struct radeon_device *rdev;
552 	int crtc_id;
553 	struct radeon_fence *fence;
554 	struct drm_pending_vblank_event *event;
555 	struct radeon_bo *old_rbo;
556 	u64 new_crtc_base;
557 };
558 
559 struct r500_irq_stat_regs {
560 	u32 disp_int;
561 	u32 hdmi0_status;
562 };
563 
564 struct r600_irq_stat_regs {
565 	u32 disp_int;
566 	u32 disp_int_cont;
567 	u32 disp_int_cont2;
568 	u32 d1grph_int;
569 	u32 d2grph_int;
570 	u32 hdmi0_status;
571 	u32 hdmi1_status;
572 };
573 
574 struct evergreen_irq_stat_regs {
575 	u32 disp_int;
576 	u32 disp_int_cont;
577 	u32 disp_int_cont2;
578 	u32 disp_int_cont3;
579 	u32 disp_int_cont4;
580 	u32 disp_int_cont5;
581 	u32 d1grph_int;
582 	u32 d2grph_int;
583 	u32 d3grph_int;
584 	u32 d4grph_int;
585 	u32 d5grph_int;
586 	u32 d6grph_int;
587 	u32 afmt_status1;
588 	u32 afmt_status2;
589 	u32 afmt_status3;
590 	u32 afmt_status4;
591 	u32 afmt_status5;
592 	u32 afmt_status6;
593 };
594 
595 union radeon_irq_stat_regs {
596 	struct r500_irq_stat_regs r500;
597 	struct r600_irq_stat_regs r600;
598 	struct evergreen_irq_stat_regs evergreen;
599 };
600 
601 #define RADEON_MAX_HPD_PINS 6
602 #define RADEON_MAX_CRTCS 6
603 #define RADEON_MAX_AFMT_BLOCKS 6
604 
605 struct radeon_irq {
606 	bool				installed;
607 	struct mtx			lock;
608 	atomic_t			ring_int[RADEON_NUM_RINGS];
609 	bool				crtc_vblank_int[RADEON_MAX_CRTCS];
610 	atomic_t			pflip[RADEON_MAX_CRTCS];
611 	wait_queue_head_t		vblank_queue;
612 	bool				hpd[RADEON_MAX_HPD_PINS];
613 	bool				afmt[RADEON_MAX_AFMT_BLOCKS];
614 	union radeon_irq_stat_regs	stat_regs;
615 };
616 
617 int radeon_irq_kms_init(struct radeon_device *rdev);
618 void radeon_irq_kms_fini(struct radeon_device *rdev);
619 void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring);
620 void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring);
621 void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc);
622 void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc);
623 void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block);
624 void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block);
625 void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
626 void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask);
627 
628 /*
629  * CP & rings.
630  */
631 
632 struct radeon_ib {
633 	struct radeon_sa_bo		*sa_bo;
634 	uint32_t			length_dw;
635 	uint64_t			gpu_addr;
636 	uint32_t			*ptr;
637 	int				ring;
638 	struct radeon_fence		*fence;
639 	struct radeon_vm		*vm;
640 	bool				is_const_ib;
641 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
642 	struct radeon_semaphore		*semaphore;
643 };
644 
645 struct radeon_ring {
646 	struct radeon_bo	*ring_obj;
647 	volatile uint32_t	*ring;
648 	unsigned		rptr;
649 	unsigned		rptr_offs;
650 	unsigned		rptr_reg;
651 	unsigned		rptr_save_reg;
652 	u64			next_rptr_gpu_addr;
653 	volatile u32		*next_rptr_cpu_addr;
654 	unsigned		wptr;
655 	unsigned		wptr_old;
656 	unsigned		wptr_reg;
657 	unsigned		ring_size;
658 	unsigned		ring_free_dw;
659 	int			count_dw;
660 	unsigned long		last_activity;
661 	unsigned		last_rptr;
662 	uint64_t		gpu_addr;
663 	uint32_t		align_mask;
664 	uint32_t		ptr_mask;
665 	bool			ready;
666 	u32			ptr_reg_shift;
667 	u32			ptr_reg_mask;
668 	u32			nop;
669 	u32			idx;
670 	u64			last_semaphore_signal_addr;
671 	u64			last_semaphore_wait_addr;
672 };
673 
674 /*
675  * VM
676  */
677 
678 /* maximum number of VMIDs */
679 #define RADEON_NUM_VM	16
680 
681 /* defines number of bits in page table versus page directory,
682  * a page is 4KB so we have 12 bits offset, 9 bits in the page
683  * table and the remaining 19 bits are in the page directory */
684 #define RADEON_VM_BLOCK_SIZE   9
685 
686 /* number of entries in page table */
687 #define RADEON_VM_PTE_COUNT (1 << RADEON_VM_BLOCK_SIZE)
688 
689 struct radeon_vm {
690 	struct list_head		list;
691 	struct list_head		va;
692 	unsigned			id;
693 
694 	/* contains the page directory */
695 	struct radeon_sa_bo		*page_directory;
696 	uint64_t			pd_gpu_addr;
697 
698 	/* array of page tables, one for each page directory entry */
699 	struct radeon_sa_bo		**page_tables;
700 
701 	struct sx			mutex;
702 	/* last fence for cs using this vm */
703 	struct radeon_fence		*fence;
704 	/* last flush or NULL if we still need to flush */
705 	struct radeon_fence		*last_flush;
706 };
707 
708 struct radeon_vm_manager {
709 	struct sx			lock;
710 	struct list_head		lru_vm;
711 	struct radeon_fence		*active[RADEON_NUM_VM];
712 	struct radeon_sa_manager	sa_manager;
713 	uint32_t			max_pfn;
714 	/* number of VMIDs */
715 	unsigned			nvm;
716 	/* vram base address for page table entry  */
717 	u64				vram_base_offset;
718 	/* is vm enabled? */
719 	bool				enabled;
720 };
721 
722 /*
723  * file private structure
724  */
725 struct radeon_fpriv {
726 	struct radeon_vm		vm;
727 };
728 
729 /*
730  * R6xx+ IH ring
731  */
732 struct r600_ih {
733 	struct radeon_bo	*ring_obj;
734 	volatile uint32_t	*ring;
735 	unsigned		rptr;
736 	unsigned		ring_size;
737 	uint64_t		gpu_addr;
738 	uint32_t		ptr_mask;
739 	atomic_t		lock;
740 	bool                    enabled;
741 };
742 
743 struct r600_blit_cp_primitives {
744 	void (*set_render_target)(struct radeon_device *rdev, int format,
745 				  int w, int h, u64 gpu_addr);
746 	void (*cp_set_surface_sync)(struct radeon_device *rdev,
747 				    u32 sync_type, u32 size,
748 				    u64 mc_addr);
749 	void (*set_shaders)(struct radeon_device *rdev);
750 	void (*set_vtx_resource)(struct radeon_device *rdev, u64 gpu_addr);
751 	void (*set_tex_resource)(struct radeon_device *rdev,
752 				 int format, int w, int h, int pitch,
753 				 u64 gpu_addr, u32 size);
754 	void (*set_scissors)(struct radeon_device *rdev, int x1, int y1,
755 			     int x2, int y2);
756 	void (*draw_auto)(struct radeon_device *rdev);
757 	void (*set_default_state)(struct radeon_device *rdev);
758 };
759 
760 struct r600_blit {
761 	struct radeon_bo	*shader_obj;
762 	struct r600_blit_cp_primitives primitives;
763 	int max_dim;
764 	int ring_size_common;
765 	int ring_size_per_loop;
766 	u64 shader_gpu_addr;
767 	u32 vs_offset, ps_offset;
768 	u32 state_offset;
769 	u32 state_len;
770 };
771 
772 /*
773  * SI RLC stuff
774  */
775 struct si_rlc {
776 	/* for power gating */
777 	struct radeon_bo	*save_restore_obj;
778 	uint64_t		save_restore_gpu_addr;
779 	/* for clear state */
780 	struct radeon_bo	*clear_state_obj;
781 	uint64_t		clear_state_gpu_addr;
782 };
783 
784 int radeon_ib_get(struct radeon_device *rdev, int ring,
785 		  struct radeon_ib *ib, struct radeon_vm *vm,
786 		  unsigned size);
787 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
788 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
789 		       struct radeon_ib *const_ib);
790 int radeon_ib_pool_init(struct radeon_device *rdev);
791 void radeon_ib_pool_fini(struct radeon_device *rdev);
792 int radeon_ib_ring_tests(struct radeon_device *rdev);
793 /* Ring access between begin & end cannot sleep */
794 bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
795 				      struct radeon_ring *ring);
796 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
797 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
798 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
799 void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp);
800 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp);
801 void radeon_ring_undo(struct radeon_ring *ring);
802 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
803 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
804 void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring *ring);
805 void radeon_ring_lockup_update(struct radeon_ring *ring);
806 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring);
807 unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring,
808 			    uint32_t **data);
809 int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
810 			unsigned size, uint32_t *data);
811 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ring_size,
812 		     unsigned rptr_offs, unsigned rptr_reg, unsigned wptr_reg,
813 		     u32 ptr_reg_shift, u32 ptr_reg_mask, u32 nop);
814 void radeon_ring_fini(struct radeon_device *rdev, struct radeon_ring *cp);
815 
816 
817 /* r600 async dma */
818 void r600_dma_stop(struct radeon_device *rdev);
819 int r600_dma_resume(struct radeon_device *rdev);
820 void r600_dma_fini(struct radeon_device *rdev);
821 
822 void cayman_dma_stop(struct radeon_device *rdev);
823 int cayman_dma_resume(struct radeon_device *rdev);
824 void cayman_dma_fini(struct radeon_device *rdev);
825 
826 /*
827  * CS.
828  */
829 struct radeon_cs_reloc {
830 	struct drm_gem_object		*gobj;
831 	struct radeon_bo		*robj;
832 	struct radeon_bo_list		lobj;
833 	uint32_t			handle;
834 	uint32_t			flags;
835 };
836 
837 struct radeon_cs_chunk {
838 	uint32_t		chunk_id;
839 	uint32_t		length_dw;
840 	int			kpage_idx[2];
841 	uint32_t		*kpage[2];
842 	uint32_t		*kdata;
843 	void __user		*user_ptr;
844 	int			last_copied_page;
845 	int			last_page_index;
846 };
847 
848 struct radeon_cs_parser {
849 	device_t		dev;
850 	struct radeon_device	*rdev;
851 	struct drm_file		*filp;
852 	/* chunks */
853 	unsigned		nchunks;
854 	struct radeon_cs_chunk	*chunks;
855 	uint64_t		*chunks_array;
856 	/* IB */
857 	unsigned		idx;
858 	/* relocations */
859 	unsigned		nrelocs;
860 	struct radeon_cs_reloc	*relocs;
861 	struct radeon_cs_reloc	**relocs_ptr;
862 	struct list_head	validated;
863 	unsigned		dma_reloc_idx;
864 	/* indices of various chunks */
865 	int			chunk_ib_idx;
866 	int			chunk_relocs_idx;
867 	int			chunk_flags_idx;
868 	int			chunk_const_ib_idx;
869 	struct radeon_ib	ib;
870 	struct radeon_ib	const_ib;
871 	void			*track;
872 	unsigned		family;
873 	int			parser_error;
874 	u32			cs_flags;
875 	u32			ring;
876 	s32			priority;
877 };
878 
879 extern int radeon_cs_finish_pages(struct radeon_cs_parser *p);
880 extern u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx);
881 
882 struct radeon_cs_packet {
883 	unsigned	idx;
884 	unsigned	type;
885 	unsigned	reg;
886 	unsigned	opcode;
887 	int		count;
888 	unsigned	one_reg_wr;
889 };
890 
891 typedef int (*radeon_packet0_check_t)(struct radeon_cs_parser *p,
892 				      struct radeon_cs_packet *pkt,
893 				      unsigned idx, unsigned reg);
894 typedef int (*radeon_packet3_check_t)(struct radeon_cs_parser *p,
895 				      struct radeon_cs_packet *pkt);
896 
897 
898 /*
899  * AGP
900  */
901 int radeon_agp_init(struct radeon_device *rdev);
902 void radeon_agp_resume(struct radeon_device *rdev);
903 void radeon_agp_suspend(struct radeon_device *rdev);
904 void radeon_agp_fini(struct radeon_device *rdev);
905 
906 
907 /*
908  * Writeback
909  */
910 struct radeon_wb {
911 	struct radeon_bo	*wb_obj;
912 	volatile uint32_t	*wb;
913 	uint64_t		gpu_addr;
914 	bool                    enabled;
915 	bool                    use_event;
916 };
917 
918 #define RADEON_WB_SCRATCH_OFFSET 0
919 #define RADEON_WB_RING0_NEXT_RPTR 256
920 #define RADEON_WB_CP_RPTR_OFFSET 1024
921 #define RADEON_WB_CP1_RPTR_OFFSET 1280
922 #define RADEON_WB_CP2_RPTR_OFFSET 1536
923 #define R600_WB_DMA_RPTR_OFFSET   1792
924 #define R600_WB_IH_WPTR_OFFSET   2048
925 #define CAYMAN_WB_DMA1_RPTR_OFFSET   2304
926 #define R600_WB_EVENT_OFFSET     3072
927 
928 /**
929  * struct radeon_pm - power management datas
930  * @max_bandwidth:      maximum bandwidth the gpu has (MByte/s)
931  * @igp_sideport_mclk:  sideport memory clock Mhz (rs690,rs740,rs780,rs880)
932  * @igp_system_mclk:    system clock Mhz (rs690,rs740,rs780,rs880)
933  * @igp_ht_link_clk:    ht link clock Mhz (rs690,rs740,rs780,rs880)
934  * @igp_ht_link_width:  ht link width in bits (rs690,rs740,rs780,rs880)
935  * @k8_bandwidth:       k8 bandwidth the gpu has (MByte/s) (IGP)
936  * @sideport_bandwidth: sideport bandwidth the gpu has (MByte/s) (IGP)
937  * @ht_bandwidth:       ht bandwidth the gpu has (MByte/s) (IGP)
938  * @core_bandwidth:     core GPU bandwidth the gpu has (MByte/s) (IGP)
939  * @sclk:          	GPU clock Mhz (core bandwidth depends of this clock)
940  * @needed_bandwidth:   current bandwidth needs
941  *
942  * It keeps track of various data needed to take powermanagement decision.
943  * Bandwidth need is used to determine minimun clock of the GPU and memory.
944  * Equation between gpu/memory clock and available bandwidth is hw dependent
945  * (type of memory, bus size, efficiency, ...)
946  */
947 
948 enum radeon_pm_method {
949 	PM_METHOD_PROFILE,
950 	PM_METHOD_DYNPM,
951 };
952 
953 enum radeon_dynpm_state {
954 	DYNPM_STATE_DISABLED,
955 	DYNPM_STATE_MINIMUM,
956 	DYNPM_STATE_PAUSED,
957 	DYNPM_STATE_ACTIVE,
958 	DYNPM_STATE_SUSPENDED,
959 };
960 enum radeon_dynpm_action {
961 	DYNPM_ACTION_NONE,
962 	DYNPM_ACTION_MINIMUM,
963 	DYNPM_ACTION_DOWNCLOCK,
964 	DYNPM_ACTION_UPCLOCK,
965 	DYNPM_ACTION_DEFAULT
966 };
967 
968 enum radeon_voltage_type {
969 	VOLTAGE_NONE = 0,
970 	VOLTAGE_GPIO,
971 	VOLTAGE_VDDC,
972 	VOLTAGE_SW
973 };
974 
975 enum radeon_pm_state_type {
976 	POWER_STATE_TYPE_DEFAULT,
977 	POWER_STATE_TYPE_POWERSAVE,
978 	POWER_STATE_TYPE_BATTERY,
979 	POWER_STATE_TYPE_BALANCED,
980 	POWER_STATE_TYPE_PERFORMANCE,
981 };
982 
983 enum radeon_pm_profile_type {
984 	PM_PROFILE_DEFAULT,
985 	PM_PROFILE_AUTO,
986 	PM_PROFILE_LOW,
987 	PM_PROFILE_MID,
988 	PM_PROFILE_HIGH,
989 };
990 
991 #define PM_PROFILE_DEFAULT_IDX 0
992 #define PM_PROFILE_LOW_SH_IDX  1
993 #define PM_PROFILE_MID_SH_IDX  2
994 #define PM_PROFILE_HIGH_SH_IDX 3
995 #define PM_PROFILE_LOW_MH_IDX  4
996 #define PM_PROFILE_MID_MH_IDX  5
997 #define PM_PROFILE_HIGH_MH_IDX 6
998 #define PM_PROFILE_MAX         7
999 
1000 struct radeon_pm_profile {
1001 	int dpms_off_ps_idx;
1002 	int dpms_on_ps_idx;
1003 	int dpms_off_cm_idx;
1004 	int dpms_on_cm_idx;
1005 };
1006 
1007 enum radeon_int_thermal_type {
1008 	THERMAL_TYPE_NONE,
1009 	THERMAL_TYPE_RV6XX,
1010 	THERMAL_TYPE_RV770,
1011 	THERMAL_TYPE_EVERGREEN,
1012 	THERMAL_TYPE_SUMO,
1013 	THERMAL_TYPE_NI,
1014 	THERMAL_TYPE_SI,
1015 };
1016 
1017 struct radeon_voltage {
1018 	enum radeon_voltage_type type;
1019 	/* gpio voltage */
1020 	struct radeon_gpio_rec gpio;
1021 	u32 delay; /* delay in usec from voltage drop to sclk change */
1022 	bool active_high; /* voltage drop is active when bit is high */
1023 	/* VDDC voltage */
1024 	u8 vddc_id; /* index into vddc voltage table */
1025 	u8 vddci_id; /* index into vddci voltage table */
1026 	bool vddci_enabled;
1027 	/* r6xx+ sw */
1028 	u16 voltage;
1029 	/* evergreen+ vddci */
1030 	u16 vddci;
1031 };
1032 
1033 /* clock mode flags */
1034 #define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
1035 
1036 struct radeon_pm_clock_info {
1037 	/* memory clock */
1038 	u32 mclk;
1039 	/* engine clock */
1040 	u32 sclk;
1041 	/* voltage info */
1042 	struct radeon_voltage voltage;
1043 	/* standardized clock flags */
1044 	u32 flags;
1045 };
1046 
1047 /* state flags */
1048 #define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
1049 
1050 struct radeon_power_state {
1051 	enum radeon_pm_state_type type;
1052 	struct radeon_pm_clock_info *clock_info;
1053 	/* number of valid clock modes in this power state */
1054 	int num_clock_modes;
1055 	struct radeon_pm_clock_info *default_clock_mode;
1056 	/* standardized state flags */
1057 	u32 flags;
1058 	u32 misc; /* vbios specific flags */
1059 	u32 misc2; /* vbios specific flags */
1060 	int pcie_lanes; /* pcie lanes */
1061 };
1062 
1063 /*
1064  * Some modes are overclocked by very low value, accept them
1065  */
1066 #define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
1067 
1068 struct radeon_pm {
1069 	struct sx		mutex;
1070 	/* write locked while reprogramming mclk */
1071 	struct sx		mclk_lock;
1072 	u32			active_crtcs;
1073 	int			active_crtc_count;
1074 	int			req_vblank;
1075 	bool			vblank_sync;
1076 	fixed20_12		max_bandwidth;
1077 	fixed20_12		igp_sideport_mclk;
1078 	fixed20_12		igp_system_mclk;
1079 	fixed20_12		igp_ht_link_clk;
1080 	fixed20_12		igp_ht_link_width;
1081 	fixed20_12		k8_bandwidth;
1082 	fixed20_12		sideport_bandwidth;
1083 	fixed20_12		ht_bandwidth;
1084 	fixed20_12		core_bandwidth;
1085 	fixed20_12		sclk;
1086 	fixed20_12		mclk;
1087 	fixed20_12		needed_bandwidth;
1088 	struct radeon_power_state *power_state;
1089 	/* number of valid power states */
1090 	int                     num_power_states;
1091 	int                     current_power_state_index;
1092 	int                     current_clock_mode_index;
1093 	int                     requested_power_state_index;
1094 	int                     requested_clock_mode_index;
1095 	int                     default_power_state_index;
1096 	u32                     current_sclk;
1097 	u32                     current_mclk;
1098 	u16                     current_vddc;
1099 	u16                     current_vddci;
1100 	u32                     default_sclk;
1101 	u32                     default_mclk;
1102 	u16                     default_vddc;
1103 	u16                     default_vddci;
1104 	struct radeon_i2c_chan *i2c_bus;
1105 	/* selected pm method */
1106 	enum radeon_pm_method     pm_method;
1107 	/* dynpm power management */
1108 #ifdef FREEBSD_WIP
1109 	struct delayed_work	dynpm_idle_work;
1110 #endif /* FREEBSD_WIP */
1111 	enum radeon_dynpm_state	dynpm_state;
1112 	enum radeon_dynpm_action	dynpm_planned_action;
1113 	unsigned long		dynpm_action_timeout;
1114 	bool                    dynpm_can_upclock;
1115 	bool                    dynpm_can_downclock;
1116 	/* profile-based power management */
1117 	enum radeon_pm_profile_type profile;
1118 	int                     profile_index;
1119 	struct radeon_pm_profile profiles[PM_PROFILE_MAX];
1120 	/* internal thermal controller on rv6xx+ */
1121 	enum radeon_int_thermal_type int_thermal_type;
1122 #ifdef FREEBSD_WIP
1123 	struct device	        *int_hwmon_dev;
1124 #endif /* FREEBSD_WIP */
1125 };
1126 
1127 int radeon_pm_get_type_index(struct radeon_device *rdev,
1128 			     enum radeon_pm_state_type ps_type,
1129 			     int instance);
1130 
1131 struct r600_audio {
1132 	int			channels;
1133 	int			rate;
1134 	int			bits_per_sample;
1135 	u8			status_bits;
1136 	u8			category_code;
1137 };
1138 
1139 /*
1140  * Benchmarking
1141  */
1142 void radeon_benchmark(struct radeon_device *rdev, int test_number);
1143 
1144 
1145 /*
1146  * Testing
1147  */
1148 void radeon_test_moves(struct radeon_device *rdev);
1149 void radeon_test_ring_sync(struct radeon_device *rdev,
1150 			   struct radeon_ring *cpA,
1151 			   struct radeon_ring *cpB);
1152 void radeon_test_syncing(struct radeon_device *rdev);
1153 
1154 
1155 /*
1156  * Debugfs
1157  */
1158 struct radeon_debugfs {
1159 	struct drm_info_list	*files;
1160 	unsigned		num_files;
1161 };
1162 
1163 int radeon_debugfs_add_files(struct radeon_device *rdev,
1164 			     struct drm_info_list *files,
1165 			     unsigned nfiles);
1166 int radeon_debugfs_fence_init(struct radeon_device *rdev);
1167 
1168 
1169 /*
1170  * ASIC specific functions.
1171  */
1172 struct radeon_asic {
1173 	int (*init)(struct radeon_device *rdev);
1174 	void (*fini)(struct radeon_device *rdev);
1175 	int (*resume)(struct radeon_device *rdev);
1176 	int (*suspend)(struct radeon_device *rdev);
1177 	void (*vga_set_state)(struct radeon_device *rdev, bool state);
1178 	int (*asic_reset)(struct radeon_device *rdev);
1179 	/* ioctl hw specific callback. Some hw might want to perform special
1180 	 * operation on specific ioctl. For instance on wait idle some hw
1181 	 * might want to perform and HDP flush through MMIO as it seems that
1182 	 * some R6XX/R7XX hw doesn't take HDP flush into account if programmed
1183 	 * through ring.
1184 	 */
1185 	void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
1186 	/* check if 3D engine is idle */
1187 	bool (*gui_idle)(struct radeon_device *rdev);
1188 	/* wait for mc_idle */
1189 	int (*mc_wait_for_idle)(struct radeon_device *rdev);
1190 	/* gart */
1191 	struct {
1192 		void (*tlb_flush)(struct radeon_device *rdev);
1193 		int (*set_page)(struct radeon_device *rdev, int i, uint64_t addr);
1194 	} gart;
1195 	struct {
1196 		int (*init)(struct radeon_device *rdev);
1197 		void (*fini)(struct radeon_device *rdev);
1198 
1199 		u32 pt_ring_index;
1200 		void (*set_page)(struct radeon_device *rdev, uint64_t pe,
1201 				 uint64_t addr, unsigned count,
1202 				 uint32_t incr, uint32_t flags);
1203 	} vm;
1204 	/* ring specific callbacks */
1205 	struct {
1206 		void (*ib_execute)(struct radeon_device *rdev, struct radeon_ib *ib);
1207 		int (*ib_parse)(struct radeon_device *rdev, struct radeon_ib *ib);
1208 		void (*emit_fence)(struct radeon_device *rdev, struct radeon_fence *fence);
1209 		void (*emit_semaphore)(struct radeon_device *rdev, struct radeon_ring *cp,
1210 				       struct radeon_semaphore *semaphore, bool emit_wait);
1211 		int (*cs_parse)(struct radeon_cs_parser *p);
1212 		void (*ring_start)(struct radeon_device *rdev, struct radeon_ring *cp);
1213 		int (*ring_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1214 		int (*ib_test)(struct radeon_device *rdev, struct radeon_ring *cp);
1215 		bool (*is_lockup)(struct radeon_device *rdev, struct radeon_ring *cp);
1216 		void (*vm_flush)(struct radeon_device *rdev, int ridx, struct radeon_vm *vm);
1217 	} ring[RADEON_NUM_RINGS];
1218 	/* irqs */
1219 	struct {
1220 		int (*set)(struct radeon_device *rdev);
1221 		irqreturn_t (*process)(struct radeon_device *rdev);
1222 	} irq;
1223 	/* displays */
1224 	struct {
1225 		/* display watermarks */
1226 		void (*bandwidth_update)(struct radeon_device *rdev);
1227 		/* get frame count */
1228 		u32 (*get_vblank_counter)(struct radeon_device *rdev, int crtc);
1229 		/* wait for vblank */
1230 		void (*wait_for_vblank)(struct radeon_device *rdev, int crtc);
1231 		/* set backlight level */
1232 		void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level);
1233 		/* get backlight level */
1234 		u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder);
1235 	} display;
1236 	/* copy functions for bo handling */
1237 	struct {
1238 		int (*blit)(struct radeon_device *rdev,
1239 			    uint64_t src_offset,
1240 			    uint64_t dst_offset,
1241 			    unsigned num_gpu_pages,
1242 			    struct radeon_fence **fence);
1243 		u32 blit_ring_index;
1244 		int (*dma)(struct radeon_device *rdev,
1245 			   uint64_t src_offset,
1246 			   uint64_t dst_offset,
1247 			   unsigned num_gpu_pages,
1248 			   struct radeon_fence **fence);
1249 		u32 dma_ring_index;
1250 		/* method used for bo copy */
1251 		int (*copy)(struct radeon_device *rdev,
1252 			    uint64_t src_offset,
1253 			    uint64_t dst_offset,
1254 			    unsigned num_gpu_pages,
1255 			    struct radeon_fence **fence);
1256 		/* ring used for bo copies */
1257 		u32 copy_ring_index;
1258 	} copy;
1259 	/* surfaces */
1260 	struct {
1261 		int (*set_reg)(struct radeon_device *rdev, int reg,
1262 				       uint32_t tiling_flags, uint32_t pitch,
1263 				       uint32_t offset, uint32_t obj_size);
1264 		void (*clear_reg)(struct radeon_device *rdev, int reg);
1265 	} surface;
1266 	/* hotplug detect */
1267 	struct {
1268 		void (*init)(struct radeon_device *rdev);
1269 		void (*fini)(struct radeon_device *rdev);
1270 		bool (*sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1271 		void (*set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
1272 	} hpd;
1273 	/* power management */
1274 	struct {
1275 		void (*misc)(struct radeon_device *rdev);
1276 		void (*prepare)(struct radeon_device *rdev);
1277 		void (*finish)(struct radeon_device *rdev);
1278 		void (*init_profile)(struct radeon_device *rdev);
1279 		void (*get_dynpm_state)(struct radeon_device *rdev);
1280 		uint32_t (*get_engine_clock)(struct radeon_device *rdev);
1281 		void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
1282 		uint32_t (*get_memory_clock)(struct radeon_device *rdev);
1283 		void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
1284 		int (*get_pcie_lanes)(struct radeon_device *rdev);
1285 		void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
1286 		void (*set_clock_gating)(struct radeon_device *rdev, int enable);
1287 	} pm;
1288 	/* pageflipping */
1289 	struct {
1290 		void (*pre_page_flip)(struct radeon_device *rdev, int crtc);
1291 		u32 (*page_flip)(struct radeon_device *rdev, int crtc, u64 crtc_base);
1292 		void (*post_page_flip)(struct radeon_device *rdev, int crtc);
1293 	} pflip;
1294 };
1295 
1296 /*
1297  * Asic structures
1298  */
1299 struct r100_asic {
1300 	const unsigned		*reg_safe_bm;
1301 	unsigned		reg_safe_bm_size;
1302 	u32			hdp_cntl;
1303 };
1304 
1305 struct r300_asic {
1306 	const unsigned		*reg_safe_bm;
1307 	unsigned		reg_safe_bm_size;
1308 	u32			resync_scratch;
1309 	u32			hdp_cntl;
1310 };
1311 
1312 struct r600_asic {
1313 	unsigned		max_pipes;
1314 	unsigned		max_tile_pipes;
1315 	unsigned		max_simds;
1316 	unsigned		max_backends;
1317 	unsigned		max_gprs;
1318 	unsigned		max_threads;
1319 	unsigned		max_stack_entries;
1320 	unsigned		max_hw_contexts;
1321 	unsigned		max_gs_threads;
1322 	unsigned		sx_max_export_size;
1323 	unsigned		sx_max_export_pos_size;
1324 	unsigned		sx_max_export_smx_size;
1325 	unsigned		sq_num_cf_insts;
1326 	unsigned		tiling_nbanks;
1327 	unsigned		tiling_npipes;
1328 	unsigned		tiling_group_size;
1329 	unsigned		tile_config;
1330 	unsigned		backend_map;
1331 };
1332 
1333 struct rv770_asic {
1334 	unsigned		max_pipes;
1335 	unsigned		max_tile_pipes;
1336 	unsigned		max_simds;
1337 	unsigned		max_backends;
1338 	unsigned		max_gprs;
1339 	unsigned		max_threads;
1340 	unsigned		max_stack_entries;
1341 	unsigned		max_hw_contexts;
1342 	unsigned		max_gs_threads;
1343 	unsigned		sx_max_export_size;
1344 	unsigned		sx_max_export_pos_size;
1345 	unsigned		sx_max_export_smx_size;
1346 	unsigned		sq_num_cf_insts;
1347 	unsigned		sx_num_of_sets;
1348 	unsigned		sc_prim_fifo_size;
1349 	unsigned		sc_hiz_tile_fifo_size;
1350 	unsigned		sc_earlyz_tile_fifo_fize;
1351 	unsigned		tiling_nbanks;
1352 	unsigned		tiling_npipes;
1353 	unsigned		tiling_group_size;
1354 	unsigned		tile_config;
1355 	unsigned		backend_map;
1356 };
1357 
1358 struct evergreen_asic {
1359 	unsigned num_ses;
1360 	unsigned max_pipes;
1361 	unsigned max_tile_pipes;
1362 	unsigned max_simds;
1363 	unsigned max_backends;
1364 	unsigned max_gprs;
1365 	unsigned max_threads;
1366 	unsigned max_stack_entries;
1367 	unsigned max_hw_contexts;
1368 	unsigned max_gs_threads;
1369 	unsigned sx_max_export_size;
1370 	unsigned sx_max_export_pos_size;
1371 	unsigned sx_max_export_smx_size;
1372 	unsigned sq_num_cf_insts;
1373 	unsigned sx_num_of_sets;
1374 	unsigned sc_prim_fifo_size;
1375 	unsigned sc_hiz_tile_fifo_size;
1376 	unsigned sc_earlyz_tile_fifo_size;
1377 	unsigned tiling_nbanks;
1378 	unsigned tiling_npipes;
1379 	unsigned tiling_group_size;
1380 	unsigned tile_config;
1381 	unsigned backend_map;
1382 };
1383 
1384 struct cayman_asic {
1385 	unsigned max_shader_engines;
1386 	unsigned max_pipes_per_simd;
1387 	unsigned max_tile_pipes;
1388 	unsigned max_simds_per_se;
1389 	unsigned max_backends_per_se;
1390 	unsigned max_texture_channel_caches;
1391 	unsigned max_gprs;
1392 	unsigned max_threads;
1393 	unsigned max_gs_threads;
1394 	unsigned max_stack_entries;
1395 	unsigned sx_num_of_sets;
1396 	unsigned sx_max_export_size;
1397 	unsigned sx_max_export_pos_size;
1398 	unsigned sx_max_export_smx_size;
1399 	unsigned max_hw_contexts;
1400 	unsigned sq_num_cf_insts;
1401 	unsigned sc_prim_fifo_size;
1402 	unsigned sc_hiz_tile_fifo_size;
1403 	unsigned sc_earlyz_tile_fifo_size;
1404 
1405 	unsigned num_shader_engines;
1406 	unsigned num_shader_pipes_per_simd;
1407 	unsigned num_tile_pipes;
1408 	unsigned num_simds_per_se;
1409 	unsigned num_backends_per_se;
1410 	unsigned backend_disable_mask_per_asic;
1411 	unsigned backend_map;
1412 	unsigned num_texture_channel_caches;
1413 	unsigned mem_max_burst_length_bytes;
1414 	unsigned mem_row_size_in_kb;
1415 	unsigned shader_engine_tile_size;
1416 	unsigned num_gpus;
1417 	unsigned multi_gpu_tile_size;
1418 
1419 	unsigned tile_config;
1420 };
1421 
1422 struct si_asic {
1423 	unsigned max_shader_engines;
1424 	unsigned max_tile_pipes;
1425 	unsigned max_cu_per_sh;
1426 	unsigned max_sh_per_se;
1427 	unsigned max_backends_per_se;
1428 	unsigned max_texture_channel_caches;
1429 	unsigned max_gprs;
1430 	unsigned max_gs_threads;
1431 	unsigned max_hw_contexts;
1432 	unsigned sc_prim_fifo_size_frontend;
1433 	unsigned sc_prim_fifo_size_backend;
1434 	unsigned sc_hiz_tile_fifo_size;
1435 	unsigned sc_earlyz_tile_fifo_size;
1436 
1437 	unsigned num_tile_pipes;
1438 	unsigned num_backends_per_se;
1439 	unsigned backend_disable_mask_per_asic;
1440 	unsigned backend_map;
1441 	unsigned num_texture_channel_caches;
1442 	unsigned mem_max_burst_length_bytes;
1443 	unsigned mem_row_size_in_kb;
1444 	unsigned shader_engine_tile_size;
1445 	unsigned num_gpus;
1446 	unsigned multi_gpu_tile_size;
1447 
1448 	unsigned tile_config;
1449 };
1450 
1451 union radeon_asic_config {
1452 	struct r300_asic	r300;
1453 	struct r100_asic	r100;
1454 	struct r600_asic	r600;
1455 	struct rv770_asic	rv770;
1456 	struct evergreen_asic	evergreen;
1457 	struct cayman_asic	cayman;
1458 	struct si_asic		si;
1459 };
1460 
1461 /*
1462  * asic initizalization from radeon_asic.c
1463  */
1464 int radeon_asic_init(struct radeon_device *rdev);
1465 
1466 
1467 /*
1468  * IOCTL.
1469  */
1470 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
1471 			  struct drm_file *filp);
1472 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
1473 			    struct drm_file *filp);
1474 int radeon_gem_pin_ioctl(struct drm_device *dev, void *data,
1475 			 struct drm_file *file_priv);
1476 int radeon_gem_unpin_ioctl(struct drm_device *dev, void *data,
1477 			   struct drm_file *file_priv);
1478 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
1479 			    struct drm_file *file_priv);
1480 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
1481 			   struct drm_file *file_priv);
1482 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
1483 				struct drm_file *filp);
1484 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
1485 			  struct drm_file *filp);
1486 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
1487 			  struct drm_file *filp);
1488 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1489 			      struct drm_file *filp);
1490 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
1491 			  struct drm_file *filp);
1492 int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1493 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
1494 				struct drm_file *filp);
1495 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
1496 				struct drm_file *filp);
1497 
1498 /* VRAM scratch page for HDP bug, default vram page */
1499 struct r600_vram_scratch {
1500 	struct radeon_bo		*robj;
1501 	volatile uint32_t		*ptr;
1502 	u64				gpu_addr;
1503 };
1504 
1505 /*
1506  * ACPI
1507  */
1508 struct radeon_atif_notification_cfg {
1509 	bool enabled;
1510 	int command_code;
1511 };
1512 
1513 struct radeon_atif_notifications {
1514 	bool display_switch;
1515 	bool expansion_mode_change;
1516 	bool thermal_state;
1517 	bool forced_power_state;
1518 	bool system_power_state;
1519 	bool display_conf_change;
1520 	bool px_gfx_switch;
1521 	bool brightness_change;
1522 	bool dgpu_display_event;
1523 };
1524 
1525 struct radeon_atif_functions {
1526 	bool system_params;
1527 	bool sbios_requests;
1528 	bool select_active_disp;
1529 	bool lid_state;
1530 	bool get_tv_standard;
1531 	bool set_tv_standard;
1532 	bool get_panel_expansion_mode;
1533 	bool set_panel_expansion_mode;
1534 	bool temperature_change;
1535 	bool graphics_device_types;
1536 };
1537 
1538 struct radeon_atif {
1539 	struct radeon_atif_notifications notifications;
1540 	struct radeon_atif_functions functions;
1541 	struct radeon_atif_notification_cfg notification_cfg;
1542 	struct radeon_encoder *encoder_for_bl;
1543 };
1544 
1545 struct radeon_atcs_functions {
1546 	bool get_ext_state;
1547 	bool pcie_perf_req;
1548 	bool pcie_dev_rdy;
1549 	bool pcie_bus_width;
1550 };
1551 
1552 struct radeon_atcs {
1553 	struct radeon_atcs_functions functions;
1554 };
1555 
1556 /*
1557  * Core structure, functions and helpers.
1558  */
1559 typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t);
1560 typedef void (*radeon_wreg_t)(struct radeon_device*, uint32_t, uint32_t);
1561 
1562 struct radeon_device {
1563 	device_t			dev;
1564 	struct drm_device		*ddev;
1565 	struct sx			exclusive_lock;
1566 	/* ASIC */
1567 	union radeon_asic_config	config;
1568 	enum radeon_family		family;
1569 	unsigned long			flags;
1570 	int				usec_timeout;
1571 	enum radeon_pll_errata		pll_errata;
1572 	int				num_gb_pipes;
1573 	int				num_z_pipes;
1574 	int				disp_priority;
1575 	/* BIOS */
1576 	uint8_t				*bios;
1577 	bool				is_atom_bios;
1578 	uint16_t			bios_header_start;
1579 	struct radeon_bo		*stollen_vga_memory;
1580 	/* Register mmio */
1581 	resource_size_t			rmmio_base;
1582 	resource_size_t			rmmio_size;
1583 	/* protects concurrent MM_INDEX/DATA based register access */
1584 	struct mtx			mmio_idx_lock;
1585 	int				rmmio_rid;
1586 	struct resource			*rmmio;
1587 	radeon_rreg_t			mc_rreg;
1588 	radeon_wreg_t			mc_wreg;
1589 	radeon_rreg_t			pll_rreg;
1590 	radeon_wreg_t			pll_wreg;
1591 	uint32_t                        pcie_reg_mask;
1592 	radeon_rreg_t			pciep_rreg;
1593 	radeon_wreg_t			pciep_wreg;
1594 	/* io port */
1595 	int				rio_rid;
1596 	struct resource			*rio_mem;
1597 	resource_size_t			rio_mem_size;
1598 	struct radeon_clock             clock;
1599 	struct radeon_mc		mc;
1600 	struct radeon_gart		gart;
1601 	struct radeon_mode_info		mode_info;
1602 	struct radeon_scratch		scratch;
1603 	struct radeon_mman		mman;
1604 	struct radeon_fence_driver	fence_drv[RADEON_NUM_RINGS];
1605 	struct cv			fence_queue;
1606 	struct mtx			fence_queue_mtx;
1607 	struct sx			ring_lock;
1608 	struct radeon_ring		ring[RADEON_NUM_RINGS];
1609 	bool				ib_pool_ready;
1610 	struct radeon_sa_manager	ring_tmp_bo;
1611 	struct radeon_irq		irq;
1612 	struct radeon_asic		*asic;
1613 	struct radeon_gem		gem;
1614 	struct radeon_pm		pm;
1615 	uint32_t			bios_scratch[RADEON_BIOS_NUM_SCRATCH];
1616 	struct radeon_wb		wb;
1617 	struct radeon_dummy_page	dummy_page;
1618 	bool				shutdown;
1619 	bool				suspend;
1620 	bool				need_dma32;
1621 	bool				accel_working;
1622 	bool				fictitious_range_registered;
1623 	bool				fictitious_agp_range_registered;
1624 	struct radeon_surface_reg surface_regs[RADEON_GEM_MAX_SURFACES];
1625 	const struct firmware *me_fw;	/* all family ME firmware */
1626 	const struct firmware *pfp_fw;	/* r6/700 PFP firmware */
1627 	const struct firmware *rlc_fw;	/* r6/700 RLC firmware */
1628 	const struct firmware *mc_fw;	/* NI MC firmware */
1629 	const struct firmware *ce_fw;	/* SI CE firmware */
1630 	struct r600_blit r600_blit;
1631 	struct r600_vram_scratch vram_scratch;
1632 	int msi_enabled; /* msi enabled */
1633 	struct r600_ih ih; /* r6/700 interrupt ring */
1634 	struct si_rlc rlc;
1635 	struct taskqueue *tq;
1636 	struct task hotplug_work;
1637 	struct task audio_work;
1638 	int num_crtc; /* number of crtcs */
1639 	struct sx dc_hw_i2c_mutex; /* display controller hw i2c mutex */
1640 	bool audio_enabled;
1641 	struct r600_audio audio_status; /* audio stuff */
1642 #if defined(CONFIG_ACPI)
1643 	struct {
1644 		ACPI_HANDLE		handle;
1645 		ACPI_NOTIFY_HANDLER	notifier_call;
1646 	} acpi;
1647 #endif
1648 	/* only one userspace can use Hyperz features or CMASK at a time */
1649 	struct drm_file *hyperz_filp;
1650 	struct drm_file *cmask_filp;
1651 	/* i2c buses */
1652 	struct radeon_i2c_chan *i2c_bus[RADEON_MAX_I2C_BUS];
1653 	/* debugfs */
1654 	struct radeon_debugfs	debugfs[RADEON_DEBUGFS_MAX_COMPONENTS];
1655 	unsigned 		debugfs_count;
1656 	/* virtual memory */
1657 	struct radeon_vm_manager	vm_manager;
1658 	struct sx			gpu_clock_mutex;
1659 	/* ACPI interface */
1660 	struct radeon_atif		atif;
1661 	struct radeon_atcs		atcs;
1662 };
1663 
1664 int radeon_device_init(struct radeon_device *rdev,
1665 		       struct drm_device *ddev,
1666 		       uint32_t flags);
1667 void radeon_device_fini(struct radeon_device *rdev);
1668 int radeon_gpu_wait_for_idle(struct radeon_device *rdev);
1669 
1670 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg,
1671 		      bool always_indirect);
1672 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v,
1673 		  bool always_indirect);
1674 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg);
1675 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v);
1676 
1677 /*
1678  * Cast helper
1679  */
1680 #define to_radeon_fence(p) ((struct radeon_fence *)(p))
1681 
1682 /*
1683  * Registers read & write functions.
1684  */
1685 #define RREG8(reg) bus_read_1((rdev->rmmio), (reg))
1686 #define WREG8(reg, v) bus_write_1((rdev->rmmio), (reg), v)
1687 #define RREG16(reg) bus_read_2((rdev->rmmio), (reg))
1688 #define WREG16(reg, v) bus_write_2((rdev->rmmio), (reg), v)
1689 #define RREG32(reg) r100_mm_rreg(rdev, (reg), false)
1690 #define RREG32_IDX(reg) r100_mm_rreg(rdev, (reg), true)
1691 #define DREG32(reg) DRM_INFO("REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg)))
1692 #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
1693 #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)
1694 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1695 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1696 #define RREG32_PLL(reg) rdev->pll_rreg(rdev, (reg))
1697 #define WREG32_PLL(reg, v) rdev->pll_wreg(rdev, (reg), (v))
1698 #define RREG32_MC(reg) rdev->mc_rreg(rdev, (reg))
1699 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
1700 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
1701 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
1702 #define RREG32_PCIE_P(reg) rdev->pciep_rreg(rdev, (reg))
1703 #define WREG32_PCIE_P(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
1704 #define WREG32_P(reg, val, mask)				\
1705 	do {							\
1706 		uint32_t tmp_ = RREG32(reg);			\
1707 		tmp_ &= (mask);					\
1708 		tmp_ |= ((val) & ~(mask));			\
1709 		WREG32(reg, tmp_);				\
1710 	} while (0)
1711 #define WREG32_PLL_P(reg, val, mask)				\
1712 	do {							\
1713 		uint32_t tmp_ = RREG32_PLL(reg);		\
1714 		tmp_ &= (mask);					\
1715 		tmp_ |= ((val) & ~(mask));			\
1716 		WREG32_PLL(reg, tmp_);				\
1717 	} while (0)
1718 #define DREG32_SYS(sqf, rdev, reg) seq_printf((sqf), #reg " : 0x%08X\n", r100_mm_rreg((rdev), (reg), false))
1719 #define RREG32_IO(reg) r100_io_rreg(rdev, (reg))
1720 #define WREG32_IO(reg, v) r100_io_wreg(rdev, (reg), (v))
1721 
1722 /*
1723  * Indirect registers accessor
1724  */
rv370_pcie_rreg(struct radeon_device * rdev,uint32_t reg)1725 static inline uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
1726 {
1727 	uint32_t r;
1728 
1729 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
1730 	r = RREG32(RADEON_PCIE_DATA);
1731 	return r;
1732 }
1733 
rv370_pcie_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)1734 static inline void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1735 {
1736 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
1737 	WREG32(RADEON_PCIE_DATA, (v));
1738 }
1739 
1740 void r100_pll_errata_after_index(struct radeon_device *rdev);
1741 
1742 
1743 /*
1744  * ASICs helpers.
1745  */
1746 #define ASIC_IS_RN50(rdev) ((rdev->ddev->pci_device == 0x515e) || \
1747 			    (rdev->ddev->pci_device == 0x5969))
1748 #define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
1749 		(rdev->family == CHIP_RV200) || \
1750 		(rdev->family == CHIP_RS100) || \
1751 		(rdev->family == CHIP_RS200) || \
1752 		(rdev->family == CHIP_RV250) || \
1753 		(rdev->family == CHIP_RV280) || \
1754 		(rdev->family == CHIP_RS300))
1755 #define ASIC_IS_R300(rdev) ((rdev->family == CHIP_R300)  ||	\
1756 		(rdev->family == CHIP_RV350) ||			\
1757 		(rdev->family == CHIP_R350)  ||			\
1758 		(rdev->family == CHIP_RV380) ||			\
1759 		(rdev->family == CHIP_R420)  ||			\
1760 		(rdev->family == CHIP_R423)  ||			\
1761 		(rdev->family == CHIP_RV410) ||			\
1762 		(rdev->family == CHIP_RS400) ||			\
1763 		(rdev->family == CHIP_RS480))
1764 #define ASIC_IS_X2(rdev) ((rdev->ddev->pci_device == 0x9441) || \
1765 		(rdev->ddev->pci_device == 0x9443) || \
1766 		(rdev->ddev->pci_device == 0x944B) || \
1767 		(rdev->ddev->pci_device == 0x9506) || \
1768 		(rdev->ddev->pci_device == 0x9509) || \
1769 		(rdev->ddev->pci_device == 0x950F) || \
1770 		(rdev->ddev->pci_device == 0x689C) || \
1771 		(rdev->ddev->pci_device == 0x689D))
1772 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
1773 #define ASIC_IS_DCE2(rdev) ((rdev->family == CHIP_RS600)  ||	\
1774 			    (rdev->family == CHIP_RS690)  ||	\
1775 			    (rdev->family == CHIP_RS740)  ||	\
1776 			    (rdev->family >= CHIP_R600))
1777 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
1778 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
1779 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
1780 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
1781 			     (rdev->flags & RADEON_IS_IGP))
1782 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
1783 #define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_ARUBA))
1784 #define ASIC_IS_DCE61(rdev) ((rdev->family >= CHIP_ARUBA) && \
1785 			     (rdev->flags & RADEON_IS_IGP))
1786 
1787 /*
1788  * BIOS helpers.
1789  */
1790 #define RBIOS8(i) (rdev->bios[i])
1791 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1792 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1793 
1794 int radeon_combios_init(struct radeon_device *rdev);
1795 void radeon_combios_fini(struct radeon_device *rdev);
1796 int radeon_atombios_init(struct radeon_device *rdev);
1797 void radeon_atombios_fini(struct radeon_device *rdev);
1798 
1799 
1800 /*
1801  * RING helpers.
1802  */
1803 #if DRM_DEBUG_CODE == 0
radeon_ring_write(struct radeon_ring * ring,uint32_t v)1804 static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v)
1805 {
1806 	ring->ring[ring->wptr++] = v;
1807 	ring->wptr &= ring->ptr_mask;
1808 	ring->count_dw--;
1809 	ring->ring_free_dw--;
1810 }
1811 #else
1812 /* With debugging this is just too big to inline */
1813 void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
1814 #endif
1815 
1816 /*
1817  * ASICs macro.
1818  */
1819 #define radeon_init(rdev) (rdev)->asic->init((rdev))
1820 #define radeon_fini(rdev) (rdev)->asic->fini((rdev))
1821 #define radeon_resume(rdev) (rdev)->asic->resume((rdev))
1822 #define radeon_suspend(rdev) (rdev)->asic->suspend((rdev))
1823 #define radeon_cs_parse(rdev, r, p) (rdev)->asic->ring[(r)].cs_parse((p))
1824 #define radeon_vga_set_state(rdev, state) (rdev)->asic->vga_set_state((rdev), (state))
1825 #define radeon_asic_reset(rdev) (rdev)->asic->asic_reset((rdev))
1826 #define radeon_gart_tlb_flush(rdev) (rdev)->asic->gart.tlb_flush((rdev))
1827 #define radeon_gart_set_page(rdev, i, p) (rdev)->asic->gart.set_page((rdev), (i), (p))
1828 #define radeon_asic_vm_init(rdev) (rdev)->asic->vm.init((rdev))
1829 #define radeon_asic_vm_fini(rdev) (rdev)->asic->vm.fini((rdev))
1830 #define radeon_asic_vm_set_page(rdev, pe, addr, count, incr, flags) ((rdev)->asic->vm.set_page((rdev), (pe), (addr), (count), (incr), (flags)))
1831 #define radeon_ring_start(rdev, r, cp) (rdev)->asic->ring[(r)].ring_start((rdev), (cp))
1832 #define radeon_ring_test(rdev, r, cp) (rdev)->asic->ring[(r)].ring_test((rdev), (cp))
1833 #define radeon_ib_test(rdev, r, cp) (rdev)->asic->ring[(r)].ib_test((rdev), (cp))
1834 #define radeon_ring_ib_execute(rdev, r, ib) (rdev)->asic->ring[(r)].ib_execute((rdev), (ib))
1835 #define radeon_ring_ib_parse(rdev, r, ib) (rdev)->asic->ring[(r)].ib_parse((rdev), (ib))
1836 #define radeon_ring_is_lockup(rdev, r, cp) (rdev)->asic->ring[(r)].is_lockup((rdev), (cp))
1837 #define radeon_ring_vm_flush(rdev, r, vm) (rdev)->asic->ring[(r)].vm_flush((rdev), (r), (vm))
1838 #define radeon_irq_set(rdev) (rdev)->asic->irq.set((rdev))
1839 #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev))
1840 #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc))
1841 #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l))
1842 #define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e))
1843 #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)].emit_fence((rdev), (fence))
1844 #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)].emit_semaphore((rdev), (cp), (semaphore), (emit_wait))
1845 #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f))
1846 #define radeon_copy_dma(rdev, s, d, np, f) (rdev)->asic->copy.dma((rdev), (s), (d), (np), (f))
1847 #define radeon_copy(rdev, s, d, np, f) (rdev)->asic->copy.copy((rdev), (s), (d), (np), (f))
1848 #define radeon_copy_blit_ring_index(rdev) (rdev)->asic->copy.blit_ring_index
1849 #define radeon_copy_dma_ring_index(rdev) (rdev)->asic->copy.dma_ring_index
1850 #define radeon_copy_ring_index(rdev) (rdev)->asic->copy.copy_ring_index
1851 #define radeon_get_engine_clock(rdev) (rdev)->asic->pm.get_engine_clock((rdev))
1852 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->pm.set_engine_clock((rdev), (e))
1853 #define radeon_get_memory_clock(rdev) (rdev)->asic->pm.get_memory_clock((rdev))
1854 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->pm.set_memory_clock((rdev), (e))
1855 #define radeon_get_pcie_lanes(rdev) (rdev)->asic->pm.get_pcie_lanes((rdev))
1856 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->pm.set_pcie_lanes((rdev), (l))
1857 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->pm.set_clock_gating((rdev), (e))
1858 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->surface.set_reg((rdev), (r), (f), (p), (o), (s)))
1859 #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->surface.clear_reg((rdev), (r)))
1860 #define radeon_bandwidth_update(rdev) (rdev)->asic->display.bandwidth_update((rdev))
1861 #define radeon_hpd_init(rdev) (rdev)->asic->hpd.init((rdev))
1862 #define radeon_hpd_fini(rdev) (rdev)->asic->hpd.fini((rdev))
1863 #define radeon_hpd_sense(rdev, h) (rdev)->asic->hpd.sense((rdev), (h))
1864 #define radeon_hpd_set_polarity(rdev, h) (rdev)->asic->hpd.set_polarity((rdev), (h))
1865 #define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
1866 #define radeon_pm_misc(rdev) (rdev)->asic->pm.misc((rdev))
1867 #define radeon_pm_prepare(rdev) (rdev)->asic->pm.prepare((rdev))
1868 #define radeon_pm_finish(rdev) (rdev)->asic->pm.finish((rdev))
1869 #define radeon_pm_init_profile(rdev) (rdev)->asic->pm.init_profile((rdev))
1870 #define radeon_pm_get_dynpm_state(rdev) (rdev)->asic->pm.get_dynpm_state((rdev))
1871 #define radeon_pre_page_flip(rdev, crtc) (rdev)->asic->pflip.pre_page_flip((rdev), (crtc))
1872 #define radeon_page_flip(rdev, crtc, base) (rdev)->asic->pflip.page_flip((rdev), (crtc), (base))
1873 #define radeon_post_page_flip(rdev, crtc) (rdev)->asic->pflip.post_page_flip((rdev), (crtc))
1874 #define radeon_wait_for_vblank(rdev, crtc) (rdev)->asic->display.wait_for_vblank((rdev), (crtc))
1875 #define radeon_mc_wait_for_idle(rdev) (rdev)->asic->mc_wait_for_idle((rdev))
1876 
1877 /* Common functions */
1878 /* AGP */
1879 extern int radeon_gpu_reset(struct radeon_device *rdev);
1880 extern void radeon_agp_disable(struct radeon_device *rdev);
1881 extern int radeon_modeset_init(struct radeon_device *rdev);
1882 extern void radeon_modeset_fini(struct radeon_device *rdev);
1883 extern bool radeon_card_posted(struct radeon_device *rdev);
1884 extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
1885 extern void radeon_update_display_priority(struct radeon_device *rdev);
1886 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
1887 extern void radeon_scratch_init(struct radeon_device *rdev);
1888 extern void radeon_wb_fini(struct radeon_device *rdev);
1889 extern int radeon_wb_init(struct radeon_device *rdev);
1890 extern void radeon_wb_disable(struct radeon_device *rdev);
1891 extern void radeon_surface_init(struct radeon_device *rdev);
1892 extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
1893 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
1894 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
1895 extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
1896 extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
1897 extern int radeon_resume_kms(struct drm_device *dev);
1898 extern int radeon_suspend_kms(struct drm_device *dev);
1899 extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size);
1900 
1901 /*
1902  * vm
1903  */
1904 int radeon_vm_manager_init(struct radeon_device *rdev);
1905 void radeon_vm_manager_fini(struct radeon_device *rdev);
1906 void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm);
1907 void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm);
1908 int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm);
1909 void radeon_vm_add_to_lru(struct radeon_device *rdev, struct radeon_vm *vm);
1910 struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev,
1911 				       struct radeon_vm *vm, int ring);
1912 void radeon_vm_fence(struct radeon_device *rdev,
1913 		     struct radeon_vm *vm,
1914 		     struct radeon_fence *fence);
1915 uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr);
1916 int radeon_vm_bo_update_pte(struct radeon_device *rdev,
1917 			    struct radeon_vm *vm,
1918 			    struct radeon_bo *bo,
1919 			    struct ttm_mem_reg *mem);
1920 void radeon_vm_bo_invalidate(struct radeon_device *rdev,
1921 			     struct radeon_bo *bo);
1922 struct radeon_bo_va *radeon_vm_bo_find(struct radeon_vm *vm,
1923 				       struct radeon_bo *bo);
1924 struct radeon_bo_va *radeon_vm_bo_add(struct radeon_device *rdev,
1925 				      struct radeon_vm *vm,
1926 				      struct radeon_bo *bo);
1927 int radeon_vm_bo_set_addr(struct radeon_device *rdev,
1928 			  struct radeon_bo_va *bo_va,
1929 			  uint64_t offset,
1930 			  uint32_t flags);
1931 int radeon_vm_bo_rmv(struct radeon_device *rdev,
1932 		     struct radeon_bo_va *bo_va);
1933 
1934 /* audio */
1935 void r600_audio_update_hdmi(void *arg, int pending);
1936 
1937 /*
1938  * R600 vram scratch functions
1939  */
1940 int r600_vram_scratch_init(struct radeon_device *rdev);
1941 void r600_vram_scratch_fini(struct radeon_device *rdev);
1942 
1943 /*
1944  * r600 cs checking helper
1945  */
1946 unsigned r600_mip_minify(unsigned size, unsigned level);
1947 bool r600_fmt_is_valid_color(u32 format);
1948 bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family);
1949 int r600_fmt_get_blocksize(u32 format);
1950 int r600_fmt_get_nblocksx(u32 format, u32 w);
1951 int r600_fmt_get_nblocksy(u32 format, u32 h);
1952 
1953 /*
1954  * r600 functions used by radeon_encoder.c
1955  */
1956 struct radeon_hdmi_acr {
1957 	u32 clock;
1958 
1959 	int n_32khz;
1960 	int cts_32khz;
1961 
1962 	int n_44_1khz;
1963 	int cts_44_1khz;
1964 
1965 	int n_48khz;
1966 	int cts_48khz;
1967 
1968 };
1969 
1970 extern struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock);
1971 
1972 extern void r600_hdmi_enable(struct drm_encoder *encoder);
1973 extern void r600_hdmi_disable(struct drm_encoder *encoder);
1974 extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
1975 extern u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1976 				     u32 tiling_pipe_num,
1977 				     u32 max_rb_num,
1978 				     u32 total_max_rb_num,
1979 				     u32 enabled_rb_mask);
1980 
1981 /*
1982  * evergreen functions used by radeon_encoder.c
1983  */
1984 
1985 extern void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
1986 
1987 extern int ni_init_microcode(struct radeon_device *rdev);
1988 extern int ni_mc_load_microcode(struct radeon_device *rdev);
1989 extern void ni_fini_microcode(struct radeon_device *rdev);
1990 
1991 /* radeon_acpi.c */
1992 #if defined(CONFIG_ACPI)
1993 extern int radeon_acpi_init(struct radeon_device *rdev);
1994 extern void radeon_acpi_fini(struct radeon_device *rdev);
1995 #else
radeon_acpi_init(struct radeon_device * rdev)1996 static inline int radeon_acpi_init(struct radeon_device *rdev) { return 0; }
radeon_acpi_fini(struct radeon_device * rdev)1997 static inline void radeon_acpi_fini(struct radeon_device *rdev) { }
1998 #endif
1999 
2000 /* Prototypes added by @dumbbell. */
2001 
2002 /* atombios_encoders.c */
2003 void	radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
2004 	    struct drm_connector *drm_connector);
2005 void	radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum,
2006 	    uint32_t supported_device, u16 caps);
2007 
2008 /* radeon_atombios.c */
2009 bool	radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
2010 	    struct drm_display_mode *mode);
2011 
2012 /* radeon_combios.c */
2013 void	radeon_combios_connected_scratch_regs(struct drm_connector *connector,
2014 	    struct drm_encoder *encoder, bool connected);
2015 
2016 /* radeon_connectors.c */
2017 void	radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
2018 	    struct drm_encoder *encoder, bool connected);
2019 void	radeon_add_legacy_connector(struct drm_device *dev,
2020 	    uint32_t connector_id,
2021 	    uint32_t supported_device,
2022 	    int connector_type,
2023 	    struct radeon_i2c_bus_rec *i2c_bus,
2024 	    uint16_t connector_object_id,
2025 	    struct radeon_hpd *hpd);
2026 void	radeon_add_atom_connector(struct drm_device *dev,
2027 	    uint32_t connector_id,
2028 	    uint32_t supported_device,
2029 	    int connector_type,
2030 	    struct radeon_i2c_bus_rec *i2c_bus,
2031 	    uint32_t igp_lane_info,
2032 	    uint16_t connector_object_id,
2033 	    struct radeon_hpd *hpd,
2034 	    struct radeon_router *router);
2035 
2036 /* radeon_encoders.c */
2037 uint32_t	radeon_get_encoder_enum(struct drm_device *dev,
2038 		    uint32_t supported_device, uint8_t dac);
2039 void		radeon_link_encoder_connector(struct drm_device *dev);
2040 
2041 /* radeon_legacy_encoders.c */
2042 void	radeon_add_legacy_encoder(struct drm_device *dev,
2043 	    uint32_t encoder_enum, uint32_t supported_device);
2044 void	radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
2045 	    struct drm_connector *drm_connector);
2046 
2047 /* radeon_pm.c */
2048 void	radeon_pm_acpi_event_handler(struct radeon_device *rdev);
2049 
2050 /* radeon_ttm.c */
2051 int	radeon_ttm_init(struct radeon_device *rdev);
2052 void	radeon_ttm_fini(struct radeon_device *rdev);
2053 
2054 /* radeon_fb.c */
2055 struct fb_info *	radeon_fb_helper_getinfo(device_t kdev);
2056 
2057 /* r600.c */
2058 int r600_ih_ring_alloc(struct radeon_device *rdev);
2059 void r600_ih_ring_fini(struct radeon_device *rdev);
2060 
2061 #include "radeon_object.h"
2062 
2063 #endif
2064