xref: /linux/drivers/gpu/drm/nouveau/nouveau_drv.h (revision f2ee442115c9b6219083c019939a9cc0c9abb2f8)
1 /*
2  * Copyright 2005 Stephane Marchesin.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * 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  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 
25 #ifndef __NOUVEAU_DRV_H__
26 #define __NOUVEAU_DRV_H__
27 
28 #define DRIVER_AUTHOR		"Stephane Marchesin"
29 #define DRIVER_EMAIL		"dri-devel@lists.sourceforge.net"
30 
31 #define DRIVER_NAME		"nouveau"
32 #define DRIVER_DESC		"nVidia Riva/TNT/GeForce"
33 #define DRIVER_DATE		"20090420"
34 
35 #define DRIVER_MAJOR		0
36 #define DRIVER_MINOR		0
37 #define DRIVER_PATCHLEVEL	16
38 
39 #define NOUVEAU_FAMILY   0x0000FFFF
40 #define NOUVEAU_FLAGS    0xFFFF0000
41 
42 #include "ttm/ttm_bo_api.h"
43 #include "ttm/ttm_bo_driver.h"
44 #include "ttm/ttm_placement.h"
45 #include "ttm/ttm_memory.h"
46 #include "ttm/ttm_module.h"
47 
48 struct nouveau_fpriv {
49 	spinlock_t lock;
50 	struct list_head channels;
51 	struct nouveau_vm *vm;
52 };
53 
54 static inline struct nouveau_fpriv *
55 nouveau_fpriv(struct drm_file *file_priv)
56 {
57 	return file_priv ? file_priv->driver_priv : NULL;
58 }
59 
60 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
61 
62 #include "nouveau_drm.h"
63 #include "nouveau_reg.h"
64 #include "nouveau_bios.h"
65 #include "nouveau_util.h"
66 
67 struct nouveau_grctx;
68 struct nouveau_mem;
69 #include "nouveau_vm.h"
70 
71 #define MAX_NUM_DCB_ENTRIES 16
72 
73 #define NOUVEAU_MAX_CHANNEL_NR 128
74 #define NOUVEAU_MAX_TILE_NR 15
75 
76 struct nouveau_mem {
77 	struct drm_device *dev;
78 
79 	struct nouveau_vma bar_vma;
80 	struct nouveau_vma vma[2];
81 	u8  page_shift;
82 
83 	struct drm_mm_node *tag;
84 	struct list_head regions;
85 	dma_addr_t *pages;
86 	u32 memtype;
87 	u64 offset;
88 	u64 size;
89 };
90 
91 struct nouveau_tile_reg {
92 	bool used;
93 	uint32_t addr;
94 	uint32_t limit;
95 	uint32_t pitch;
96 	uint32_t zcomp;
97 	struct drm_mm_node *tag_mem;
98 	struct nouveau_fence *fence;
99 };
100 
101 struct nouveau_bo {
102 	struct ttm_buffer_object bo;
103 	struct ttm_placement placement;
104 	u32 valid_domains;
105 	u32 placements[3];
106 	u32 busy_placements[3];
107 	struct ttm_bo_kmap_obj kmap;
108 	struct list_head head;
109 
110 	/* protected by ttm_bo_reserve() */
111 	struct drm_file *reserved_by;
112 	struct list_head entry;
113 	int pbbo_index;
114 	bool validate_mapped;
115 
116 	struct nouveau_channel *channel;
117 
118 	struct list_head vma_list;
119 	unsigned page_shift;
120 
121 	uint32_t tile_mode;
122 	uint32_t tile_flags;
123 	struct nouveau_tile_reg *tile;
124 
125 	struct drm_gem_object *gem;
126 	int pin_refcnt;
127 };
128 
129 #define nouveau_bo_tile_layout(nvbo)				\
130 	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
131 
132 static inline struct nouveau_bo *
133 nouveau_bo(struct ttm_buffer_object *bo)
134 {
135 	return container_of(bo, struct nouveau_bo, bo);
136 }
137 
138 static inline struct nouveau_bo *
139 nouveau_gem_object(struct drm_gem_object *gem)
140 {
141 	return gem ? gem->driver_private : NULL;
142 }
143 
144 /* TODO: submit equivalent to TTM generic API upstream? */
145 static inline void __iomem *
146 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
147 {
148 	bool is_iomem;
149 	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
150 						&nvbo->kmap, &is_iomem);
151 	WARN_ON_ONCE(ioptr && !is_iomem);
152 	return ioptr;
153 }
154 
155 enum nouveau_flags {
156 	NV_NFORCE   = 0x10000000,
157 	NV_NFORCE2  = 0x20000000
158 };
159 
160 #define NVOBJ_ENGINE_SW		0
161 #define NVOBJ_ENGINE_GR		1
162 #define NVOBJ_ENGINE_CRYPT	2
163 #define NVOBJ_ENGINE_COPY0	3
164 #define NVOBJ_ENGINE_COPY1	4
165 #define NVOBJ_ENGINE_MPEG	5
166 #define NVOBJ_ENGINE_DISPLAY	15
167 #define NVOBJ_ENGINE_NR		16
168 
169 #define NVOBJ_FLAG_DONT_MAP             (1 << 0)
170 #define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
171 #define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
172 #define NVOBJ_FLAG_VM			(1 << 3)
173 #define NVOBJ_FLAG_VM_USER		(1 << 4)
174 
175 #define NVOBJ_CINST_GLOBAL	0xdeadbeef
176 
177 struct nouveau_gpuobj {
178 	struct drm_device *dev;
179 	struct kref refcount;
180 	struct list_head list;
181 
182 	void *node;
183 	u32 *suspend;
184 
185 	uint32_t flags;
186 
187 	u32 size;
188 	u32 pinst;	/* PRAMIN BAR offset */
189 	u32 cinst;	/* Channel offset */
190 	u64 vinst;	/* VRAM address */
191 	u64 linst;	/* VM address */
192 
193 	uint32_t engine;
194 	uint32_t class;
195 
196 	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
197 	void *priv;
198 };
199 
200 struct nouveau_page_flip_state {
201 	struct list_head head;
202 	struct drm_pending_vblank_event *event;
203 	int crtc, bpp, pitch, x, y;
204 	uint64_t offset;
205 };
206 
207 enum nouveau_channel_mutex_class {
208 	NOUVEAU_UCHANNEL_MUTEX,
209 	NOUVEAU_KCHANNEL_MUTEX
210 };
211 
212 struct nouveau_channel {
213 	struct drm_device *dev;
214 	struct list_head list;
215 	int id;
216 
217 	/* references to the channel data structure */
218 	struct kref ref;
219 	/* users of the hardware channel resources, the hardware
220 	 * context will be kicked off when it reaches zero. */
221 	atomic_t users;
222 	struct mutex mutex;
223 
224 	/* owner of this fifo */
225 	struct drm_file *file_priv;
226 	/* mapping of the fifo itself */
227 	struct drm_local_map *map;
228 
229 	/* mapping of the regs controlling the fifo */
230 	void __iomem *user;
231 	uint32_t user_get;
232 	uint32_t user_put;
233 
234 	/* Fencing */
235 	struct {
236 		/* lock protects the pending list only */
237 		spinlock_t lock;
238 		struct list_head pending;
239 		uint32_t sequence;
240 		uint32_t sequence_ack;
241 		atomic_t last_sequence_irq;
242 		struct nouveau_vma vma;
243 	} fence;
244 
245 	/* DMA push buffer */
246 	struct nouveau_gpuobj *pushbuf;
247 	struct nouveau_bo     *pushbuf_bo;
248 	struct nouveau_vma     pushbuf_vma;
249 	uint32_t               pushbuf_base;
250 
251 	/* Notifier memory */
252 	struct nouveau_bo *notifier_bo;
253 	struct nouveau_vma notifier_vma;
254 	struct drm_mm notifier_heap;
255 
256 	/* PFIFO context */
257 	struct nouveau_gpuobj *ramfc;
258 	struct nouveau_gpuobj *cache;
259 	void *fifo_priv;
260 
261 	/* Execution engine contexts */
262 	void *engctx[NVOBJ_ENGINE_NR];
263 
264 	/* NV50 VM */
265 	struct nouveau_vm     *vm;
266 	struct nouveau_gpuobj *vm_pd;
267 
268 	/* Objects */
269 	struct nouveau_gpuobj *ramin; /* Private instmem */
270 	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
271 	struct nouveau_ramht  *ramht; /* Hash table */
272 
273 	/* GPU object info for stuff used in-kernel (mm_enabled) */
274 	uint32_t m2mf_ntfy;
275 	uint32_t vram_handle;
276 	uint32_t gart_handle;
277 	bool accel_done;
278 
279 	/* Push buffer state (only for drm's channel on !mm_enabled) */
280 	struct {
281 		int max;
282 		int free;
283 		int cur;
284 		int put;
285 		/* access via pushbuf_bo */
286 
287 		int ib_base;
288 		int ib_max;
289 		int ib_free;
290 		int ib_put;
291 	} dma;
292 
293 	uint32_t sw_subchannel[8];
294 
295 	struct nouveau_vma dispc_vma[2];
296 	struct {
297 		struct nouveau_gpuobj *vblsem;
298 		uint32_t vblsem_head;
299 		uint32_t vblsem_offset;
300 		uint32_t vblsem_rval;
301 		struct list_head vbl_wait;
302 		struct list_head flip;
303 	} nvsw;
304 
305 	struct {
306 		bool active;
307 		char name[32];
308 		struct drm_info_list info;
309 	} debugfs;
310 };
311 
312 struct nouveau_exec_engine {
313 	void (*destroy)(struct drm_device *, int engine);
314 	int  (*init)(struct drm_device *, int engine);
315 	int  (*fini)(struct drm_device *, int engine, bool suspend);
316 	int  (*context_new)(struct nouveau_channel *, int engine);
317 	void (*context_del)(struct nouveau_channel *, int engine);
318 	int  (*object_new)(struct nouveau_channel *, int engine,
319 			   u32 handle, u16 class);
320 	void (*set_tile_region)(struct drm_device *dev, int i);
321 	void (*tlb_flush)(struct drm_device *, int engine);
322 };
323 
324 struct nouveau_instmem_engine {
325 	void	*priv;
326 
327 	int	(*init)(struct drm_device *dev);
328 	void	(*takedown)(struct drm_device *dev);
329 	int	(*suspend)(struct drm_device *dev);
330 	void	(*resume)(struct drm_device *dev);
331 
332 	int	(*get)(struct nouveau_gpuobj *, struct nouveau_channel *,
333 		       u32 size, u32 align);
334 	void	(*put)(struct nouveau_gpuobj *);
335 	int	(*map)(struct nouveau_gpuobj *);
336 	void	(*unmap)(struct nouveau_gpuobj *);
337 
338 	void	(*flush)(struct drm_device *);
339 };
340 
341 struct nouveau_mc_engine {
342 	int  (*init)(struct drm_device *dev);
343 	void (*takedown)(struct drm_device *dev);
344 };
345 
346 struct nouveau_timer_engine {
347 	int      (*init)(struct drm_device *dev);
348 	void     (*takedown)(struct drm_device *dev);
349 	uint64_t (*read)(struct drm_device *dev);
350 };
351 
352 struct nouveau_fb_engine {
353 	int num_tiles;
354 	struct drm_mm tag_heap;
355 	void *priv;
356 
357 	int  (*init)(struct drm_device *dev);
358 	void (*takedown)(struct drm_device *dev);
359 
360 	void (*init_tile_region)(struct drm_device *dev, int i,
361 				 uint32_t addr, uint32_t size,
362 				 uint32_t pitch, uint32_t flags);
363 	void (*set_tile_region)(struct drm_device *dev, int i);
364 	void (*free_tile_region)(struct drm_device *dev, int i);
365 };
366 
367 struct nouveau_fifo_engine {
368 	void *priv;
369 	int  channels;
370 
371 	struct nouveau_gpuobj *playlist[2];
372 	int cur_playlist;
373 
374 	int  (*init)(struct drm_device *);
375 	void (*takedown)(struct drm_device *);
376 
377 	void (*disable)(struct drm_device *);
378 	void (*enable)(struct drm_device *);
379 	bool (*reassign)(struct drm_device *, bool enable);
380 	bool (*cache_pull)(struct drm_device *dev, bool enable);
381 
382 	int  (*channel_id)(struct drm_device *);
383 
384 	int  (*create_context)(struct nouveau_channel *);
385 	void (*destroy_context)(struct nouveau_channel *);
386 	int  (*load_context)(struct nouveau_channel *);
387 	int  (*unload_context)(struct drm_device *);
388 	void (*tlb_flush)(struct drm_device *dev);
389 };
390 
391 struct nouveau_display_engine {
392 	void *priv;
393 	int (*early_init)(struct drm_device *);
394 	void (*late_takedown)(struct drm_device *);
395 	int (*create)(struct drm_device *);
396 	int (*init)(struct drm_device *);
397 	void (*destroy)(struct drm_device *);
398 };
399 
400 struct nouveau_gpio_engine {
401 	void *priv;
402 
403 	int  (*init)(struct drm_device *);
404 	void (*takedown)(struct drm_device *);
405 
406 	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
407 	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
408 
409 	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
410 			     void (*)(void *, int), void *);
411 	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
412 			       void (*)(void *, int), void *);
413 	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
414 };
415 
416 struct nouveau_pm_voltage_level {
417 	u32 voltage; /* microvolts */
418 	u8  vid;
419 };
420 
421 struct nouveau_pm_voltage {
422 	bool supported;
423 	u8 version;
424 	u8 vid_mask;
425 
426 	struct nouveau_pm_voltage_level *level;
427 	int nr_level;
428 };
429 
430 struct nouveau_pm_memtiming {
431 	int id;
432 	u32 reg_0; /* 0x10f290 on Fermi, 0x100220 for older */
433 	u32 reg_1;
434 	u32 reg_2;
435 	u32 reg_3;
436 	u32 reg_4;
437 	u32 reg_5;
438 	u32 reg_6;
439 	u32 reg_7;
440 	u32 reg_8;
441 	/* To be written to 0x1002c0 */
442 	u8 CL;
443 	u8 WR;
444 };
445 
446 struct nouveau_pm_tbl_header{
447 	u8 version;
448 	u8 header_len;
449 	u8 entry_cnt;
450 	u8 entry_len;
451 };
452 
453 struct nouveau_pm_tbl_entry{
454 	u8 tWR;
455 	u8 tUNK_1;
456 	u8 tCL;
457 	u8 tRP;		/* Byte 3 */
458 	u8 empty_4;
459 	u8 tRAS;	/* Byte 5 */
460 	u8 empty_6;
461 	u8 tRFC;	/* Byte 7 */
462 	u8 empty_8;
463 	u8 tRC;		/* Byte 9 */
464 	u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
465 	u8 empty_15,empty_16,empty_17;
466 	u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
467 };
468 
469 /* nouveau_mem.c */
470 void nv30_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr,
471 							struct nouveau_pm_tbl_entry *e, uint8_t magic_number,
472 							struct nouveau_pm_memtiming *timing);
473 
474 #define NOUVEAU_PM_MAX_LEVEL 8
475 struct nouveau_pm_level {
476 	struct device_attribute dev_attr;
477 	char name[32];
478 	int id;
479 
480 	u32 core;
481 	u32 memory;
482 	u32 shader;
483 	u32 rop;
484 	u32 copy;
485 	u32 daemon;
486 	u32 vdec;
487 	u32 unk05;	/* nv50:nva3, roughly.. */
488 	u32 unka0;	/* nva3:nvc0 */
489 	u32 hub01;	/* nvc0- */
490 	u32 hub06;	/* nvc0- */
491 	u32 hub07;	/* nvc0- */
492 
493 	u32 volt_min; /* microvolts */
494 	u32 volt_max;
495 	u8  fanspeed;
496 
497 	u16 memscript;
498 	struct nouveau_pm_memtiming *timing;
499 };
500 
501 struct nouveau_pm_temp_sensor_constants {
502 	u16 offset_constant;
503 	s16 offset_mult;
504 	s16 offset_div;
505 	s16 slope_mult;
506 	s16 slope_div;
507 };
508 
509 struct nouveau_pm_threshold_temp {
510 	s16 critical;
511 	s16 down_clock;
512 	s16 fan_boost;
513 };
514 
515 struct nouveau_pm_memtimings {
516 	bool supported;
517 	struct nouveau_pm_memtiming *timing;
518 	int nr_timing;
519 };
520 
521 struct nouveau_pm_engine {
522 	struct nouveau_pm_voltage voltage;
523 	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
524 	int nr_perflvl;
525 	struct nouveau_pm_memtimings memtimings;
526 	struct nouveau_pm_temp_sensor_constants sensor_constants;
527 	struct nouveau_pm_threshold_temp threshold_temp;
528 
529 	struct nouveau_pm_level boot;
530 	struct nouveau_pm_level *cur;
531 
532 	struct device *hwmon;
533 	struct notifier_block acpi_nb;
534 
535 	int (*clock_get)(struct drm_device *, u32 id);
536 	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
537 			   u32 id, int khz);
538 	void (*clock_set)(struct drm_device *, void *);
539 
540 	int  (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
541 	void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
542 	void (*clocks_set)(struct drm_device *, void *);
543 
544 	int (*voltage_get)(struct drm_device *);
545 	int (*voltage_set)(struct drm_device *, int voltage);
546 	int (*fanspeed_get)(struct drm_device *);
547 	int (*fanspeed_set)(struct drm_device *, int fanspeed);
548 	int (*temp_get)(struct drm_device *);
549 };
550 
551 struct nouveau_vram_engine {
552 	struct nouveau_mm mm;
553 
554 	int  (*init)(struct drm_device *);
555 	void (*takedown)(struct drm_device *dev);
556 	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
557 		    u32 type, struct nouveau_mem **);
558 	void (*put)(struct drm_device *, struct nouveau_mem **);
559 
560 	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
561 };
562 
563 struct nouveau_engine {
564 	struct nouveau_instmem_engine instmem;
565 	struct nouveau_mc_engine      mc;
566 	struct nouveau_timer_engine   timer;
567 	struct nouveau_fb_engine      fb;
568 	struct nouveau_fifo_engine    fifo;
569 	struct nouveau_display_engine display;
570 	struct nouveau_gpio_engine    gpio;
571 	struct nouveau_pm_engine      pm;
572 	struct nouveau_vram_engine    vram;
573 };
574 
575 struct nouveau_pll_vals {
576 	union {
577 		struct {
578 #ifdef __BIG_ENDIAN
579 			uint8_t N1, M1, N2, M2;
580 #else
581 			uint8_t M1, N1, M2, N2;
582 #endif
583 		};
584 		struct {
585 			uint16_t NM1, NM2;
586 		} __attribute__((packed));
587 	};
588 	int log2P;
589 
590 	int refclk;
591 };
592 
593 enum nv04_fp_display_regs {
594 	FP_DISPLAY_END,
595 	FP_TOTAL,
596 	FP_CRTC,
597 	FP_SYNC_START,
598 	FP_SYNC_END,
599 	FP_VALID_START,
600 	FP_VALID_END
601 };
602 
603 struct nv04_crtc_reg {
604 	unsigned char MiscOutReg;
605 	uint8_t CRTC[0xa0];
606 	uint8_t CR58[0x10];
607 	uint8_t Sequencer[5];
608 	uint8_t Graphics[9];
609 	uint8_t Attribute[21];
610 	unsigned char DAC[768];
611 
612 	/* PCRTC regs */
613 	uint32_t fb_start;
614 	uint32_t crtc_cfg;
615 	uint32_t cursor_cfg;
616 	uint32_t gpio_ext;
617 	uint32_t crtc_830;
618 	uint32_t crtc_834;
619 	uint32_t crtc_850;
620 	uint32_t crtc_eng_ctrl;
621 
622 	/* PRAMDAC regs */
623 	uint32_t nv10_cursync;
624 	struct nouveau_pll_vals pllvals;
625 	uint32_t ramdac_gen_ctrl;
626 	uint32_t ramdac_630;
627 	uint32_t ramdac_634;
628 	uint32_t tv_setup;
629 	uint32_t tv_vtotal;
630 	uint32_t tv_vskew;
631 	uint32_t tv_vsync_delay;
632 	uint32_t tv_htotal;
633 	uint32_t tv_hskew;
634 	uint32_t tv_hsync_delay;
635 	uint32_t tv_hsync_delay2;
636 	uint32_t fp_horiz_regs[7];
637 	uint32_t fp_vert_regs[7];
638 	uint32_t dither;
639 	uint32_t fp_control;
640 	uint32_t dither_regs[6];
641 	uint32_t fp_debug_0;
642 	uint32_t fp_debug_1;
643 	uint32_t fp_debug_2;
644 	uint32_t fp_margin_color;
645 	uint32_t ramdac_8c0;
646 	uint32_t ramdac_a20;
647 	uint32_t ramdac_a24;
648 	uint32_t ramdac_a34;
649 	uint32_t ctv_regs[38];
650 };
651 
652 struct nv04_output_reg {
653 	uint32_t output;
654 	int head;
655 };
656 
657 struct nv04_mode_state {
658 	struct nv04_crtc_reg crtc_reg[2];
659 	uint32_t pllsel;
660 	uint32_t sel_clk;
661 };
662 
663 enum nouveau_card_type {
664 	NV_04      = 0x00,
665 	NV_10      = 0x10,
666 	NV_20      = 0x20,
667 	NV_30      = 0x30,
668 	NV_40      = 0x40,
669 	NV_50      = 0x50,
670 	NV_C0      = 0xc0,
671 	NV_D0      = 0xd0
672 };
673 
674 struct drm_nouveau_private {
675 	struct drm_device *dev;
676 	bool noaccel;
677 
678 	/* the card type, takes NV_* as values */
679 	enum nouveau_card_type card_type;
680 	/* exact chipset, derived from NV_PMC_BOOT_0 */
681 	int chipset;
682 	int flags;
683 	u32 crystal;
684 
685 	void __iomem *mmio;
686 
687 	spinlock_t ramin_lock;
688 	void __iomem *ramin;
689 	u32 ramin_size;
690 	u32 ramin_base;
691 	bool ramin_available;
692 	struct drm_mm ramin_heap;
693 	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
694 	struct list_head gpuobj_list;
695 	struct list_head classes;
696 
697 	struct nouveau_bo *vga_ram;
698 
699 	/* interrupt handling */
700 	void (*irq_handler[32])(struct drm_device *);
701 	bool msi_enabled;
702 
703 	struct list_head vbl_waiting;
704 
705 	struct {
706 		struct drm_global_reference mem_global_ref;
707 		struct ttm_bo_global_ref bo_global_ref;
708 		struct ttm_bo_device bdev;
709 		atomic_t validate_sequence;
710 	} ttm;
711 
712 	struct {
713 		spinlock_t lock;
714 		struct drm_mm heap;
715 		struct nouveau_bo *bo;
716 	} fence;
717 
718 	struct {
719 		spinlock_t lock;
720 		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
721 	} channels;
722 
723 	struct nouveau_engine engine;
724 	struct nouveau_channel *channel;
725 
726 	/* For PFIFO and PGRAPH. */
727 	spinlock_t context_switch_lock;
728 
729 	/* VM/PRAMIN flush, legacy PRAMIN aperture */
730 	spinlock_t vm_lock;
731 
732 	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
733 	struct nouveau_ramht  *ramht;
734 	struct nouveau_gpuobj *ramfc;
735 	struct nouveau_gpuobj *ramro;
736 
737 	uint32_t ramin_rsvd_vram;
738 
739 	struct {
740 		enum {
741 			NOUVEAU_GART_NONE = 0,
742 			NOUVEAU_GART_AGP,	/* AGP */
743 			NOUVEAU_GART_PDMA,	/* paged dma object */
744 			NOUVEAU_GART_HW		/* on-chip gart/vm */
745 		} type;
746 		uint64_t aper_base;
747 		uint64_t aper_size;
748 		uint64_t aper_free;
749 
750 		struct ttm_backend_func *func;
751 
752 		struct {
753 			struct page *page;
754 			dma_addr_t   addr;
755 		} dummy;
756 
757 		struct nouveau_gpuobj *sg_ctxdma;
758 	} gart_info;
759 
760 	/* nv10-nv40 tiling regions */
761 	struct {
762 		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
763 		spinlock_t lock;
764 	} tile;
765 
766 	/* VRAM/fb configuration */
767 	uint64_t vram_size;
768 	uint64_t vram_sys_base;
769 
770 	uint64_t fb_available_size;
771 	uint64_t fb_mappable_pages;
772 	uint64_t fb_aper_free;
773 	int fb_mtrr;
774 
775 	/* BAR control (NV50-) */
776 	struct nouveau_vm *bar1_vm;
777 	struct nouveau_vm *bar3_vm;
778 
779 	/* G8x/G9x virtual address space */
780 	struct nouveau_vm *chan_vm;
781 
782 	struct nvbios vbios;
783 
784 	struct nv04_mode_state mode_reg;
785 	struct nv04_mode_state saved_reg;
786 	uint32_t saved_vga_font[4][16384];
787 	uint32_t crtc_owner;
788 	uint32_t dac_users[4];
789 
790 	struct backlight_device *backlight;
791 
792 	struct {
793 		struct dentry *channel_root;
794 	} debugfs;
795 
796 	struct nouveau_fbdev *nfbdev;
797 	struct apertures_struct *apertures;
798 };
799 
800 static inline struct drm_nouveau_private *
801 nouveau_private(struct drm_device *dev)
802 {
803 	return dev->dev_private;
804 }
805 
806 static inline struct drm_nouveau_private *
807 nouveau_bdev(struct ttm_bo_device *bd)
808 {
809 	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
810 }
811 
812 static inline int
813 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
814 {
815 	struct nouveau_bo *prev;
816 
817 	if (!pnvbo)
818 		return -EINVAL;
819 	prev = *pnvbo;
820 
821 	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
822 	if (prev) {
823 		struct ttm_buffer_object *bo = &prev->bo;
824 
825 		ttm_bo_unref(&bo);
826 	}
827 
828 	return 0;
829 }
830 
831 /* nouveau_drv.c */
832 extern int nouveau_modeset;
833 extern int nouveau_agpmode;
834 extern int nouveau_duallink;
835 extern int nouveau_uscript_lvds;
836 extern int nouveau_uscript_tmds;
837 extern int nouveau_vram_pushbuf;
838 extern int nouveau_vram_notify;
839 extern int nouveau_fbpercrtc;
840 extern int nouveau_tv_disable;
841 extern char *nouveau_tv_norm;
842 extern int nouveau_reg_debug;
843 extern char *nouveau_vbios;
844 extern int nouveau_ignorelid;
845 extern int nouveau_nofbaccel;
846 extern int nouveau_noaccel;
847 extern int nouveau_force_post;
848 extern int nouveau_override_conntype;
849 extern char *nouveau_perflvl;
850 extern int nouveau_perflvl_wr;
851 extern int nouveau_msi;
852 extern int nouveau_ctxfw;
853 
854 extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
855 extern int nouveau_pci_resume(struct pci_dev *pdev);
856 
857 /* nouveau_state.c */
858 extern int  nouveau_open(struct drm_device *, struct drm_file *);
859 extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
860 extern void nouveau_postclose(struct drm_device *, struct drm_file *);
861 extern int  nouveau_load(struct drm_device *, unsigned long flags);
862 extern int  nouveau_firstopen(struct drm_device *);
863 extern void nouveau_lastclose(struct drm_device *);
864 extern int  nouveau_unload(struct drm_device *);
865 extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
866 				   struct drm_file *);
867 extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
868 				   struct drm_file *);
869 extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
870 			    uint32_t reg, uint32_t mask, uint32_t val);
871 extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
872 			    uint32_t reg, uint32_t mask, uint32_t val);
873 extern bool nouveau_wait_cb(struct drm_device *, u64 timeout,
874 			    bool (*cond)(void *), void *);
875 extern bool nouveau_wait_for_idle(struct drm_device *);
876 extern int  nouveau_card_init(struct drm_device *);
877 
878 /* nouveau_mem.c */
879 extern int  nouveau_mem_vram_init(struct drm_device *);
880 extern void nouveau_mem_vram_fini(struct drm_device *);
881 extern int  nouveau_mem_gart_init(struct drm_device *);
882 extern void nouveau_mem_gart_fini(struct drm_device *);
883 extern int  nouveau_mem_init_agp(struct drm_device *);
884 extern int  nouveau_mem_reset_agp(struct drm_device *);
885 extern void nouveau_mem_close(struct drm_device *);
886 extern int  nouveau_mem_detect(struct drm_device *);
887 extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
888 extern struct nouveau_tile_reg *nv10_mem_set_tiling(
889 	struct drm_device *dev, uint32_t addr, uint32_t size,
890 	uint32_t pitch, uint32_t flags);
891 extern void nv10_mem_put_tile_region(struct drm_device *dev,
892 				     struct nouveau_tile_reg *tile,
893 				     struct nouveau_fence *fence);
894 extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
895 extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
896 
897 /* nouveau_notifier.c */
898 extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
899 extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
900 extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
901 				   int cout, uint32_t start, uint32_t end,
902 				   uint32_t *offset);
903 extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
904 extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
905 					 struct drm_file *);
906 extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
907 					struct drm_file *);
908 
909 /* nouveau_channel.c */
910 extern struct drm_ioctl_desc nouveau_ioctls[];
911 extern int nouveau_max_ioctl;
912 extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
913 extern int  nouveau_channel_alloc(struct drm_device *dev,
914 				  struct nouveau_channel **chan,
915 				  struct drm_file *file_priv,
916 				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
917 extern struct nouveau_channel *
918 nouveau_channel_get_unlocked(struct nouveau_channel *);
919 extern struct nouveau_channel *
920 nouveau_channel_get(struct drm_file *, int id);
921 extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
922 extern void nouveau_channel_put(struct nouveau_channel **);
923 extern void nouveau_channel_ref(struct nouveau_channel *chan,
924 				struct nouveau_channel **pchan);
925 extern void nouveau_channel_idle(struct nouveau_channel *chan);
926 
927 /* nouveau_object.c */
928 #define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
929 	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
930 	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
931 } while (0)
932 
933 #define NVOBJ_ENGINE_DEL(d, e) do {                                            \
934 	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
935 	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
936 } while (0)
937 
938 #define NVOBJ_CLASS(d, c, e) do {                                              \
939 	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
940 	if (ret)                                                               \
941 		return ret;                                                    \
942 } while (0)
943 
944 #define NVOBJ_MTHD(d, c, m, e) do {                                            \
945 	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
946 	if (ret)                                                               \
947 		return ret;                                                    \
948 } while (0)
949 
950 extern int  nouveau_gpuobj_early_init(struct drm_device *);
951 extern int  nouveau_gpuobj_init(struct drm_device *);
952 extern void nouveau_gpuobj_takedown(struct drm_device *);
953 extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
954 extern void nouveau_gpuobj_resume(struct drm_device *dev);
955 extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
956 extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
957 				    int (*exec)(struct nouveau_channel *,
958 						u32 class, u32 mthd, u32 data));
959 extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
960 extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
961 extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
962 				       uint32_t vram_h, uint32_t tt_h);
963 extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
964 extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
965 			      uint32_t size, int align, uint32_t flags,
966 			      struct nouveau_gpuobj **);
967 extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
968 			       struct nouveau_gpuobj **);
969 extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
970 				   u32 size, u32 flags,
971 				   struct nouveau_gpuobj **);
972 extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
973 				  uint64_t offset, uint64_t size, int access,
974 				  int target, struct nouveau_gpuobj **);
975 extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
976 extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
977 			       u64 size, int target, int access, u32 type,
978 			       u32 comp, struct nouveau_gpuobj **pobj);
979 extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
980 				 int class, u64 base, u64 size, int target,
981 				 int access, u32 type, u32 comp);
982 extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
983 				     struct drm_file *);
984 extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
985 				     struct drm_file *);
986 
987 /* nouveau_irq.c */
988 extern int         nouveau_irq_init(struct drm_device *);
989 extern void        nouveau_irq_fini(struct drm_device *);
990 extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
991 extern void        nouveau_irq_register(struct drm_device *, int status_bit,
992 					void (*)(struct drm_device *));
993 extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
994 extern void        nouveau_irq_preinstall(struct drm_device *);
995 extern int         nouveau_irq_postinstall(struct drm_device *);
996 extern void        nouveau_irq_uninstall(struct drm_device *);
997 
998 /* nouveau_sgdma.c */
999 extern int nouveau_sgdma_init(struct drm_device *);
1000 extern void nouveau_sgdma_takedown(struct drm_device *);
1001 extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
1002 					   uint32_t offset);
1003 extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
1004 
1005 /* nouveau_debugfs.c */
1006 #if defined(CONFIG_DRM_NOUVEAU_DEBUG)
1007 extern int  nouveau_debugfs_init(struct drm_minor *);
1008 extern void nouveau_debugfs_takedown(struct drm_minor *);
1009 extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
1010 extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
1011 #else
1012 static inline int
1013 nouveau_debugfs_init(struct drm_minor *minor)
1014 {
1015 	return 0;
1016 }
1017 
1018 static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
1019 {
1020 }
1021 
1022 static inline int
1023 nouveau_debugfs_channel_init(struct nouveau_channel *chan)
1024 {
1025 	return 0;
1026 }
1027 
1028 static inline void
1029 nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
1030 {
1031 }
1032 #endif
1033 
1034 /* nouveau_dma.c */
1035 extern void nouveau_dma_pre_init(struct nouveau_channel *);
1036 extern int  nouveau_dma_init(struct nouveau_channel *);
1037 extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
1038 
1039 /* nouveau_acpi.c */
1040 #define ROM_BIOS_PAGE 4096
1041 #if defined(CONFIG_ACPI)
1042 void nouveau_register_dsm_handler(void);
1043 void nouveau_unregister_dsm_handler(void);
1044 int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
1045 bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
1046 int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
1047 #else
1048 static inline void nouveau_register_dsm_handler(void) {}
1049 static inline void nouveau_unregister_dsm_handler(void) {}
1050 static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
1051 static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
1052 static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
1053 #endif
1054 
1055 /* nouveau_backlight.c */
1056 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1057 extern int nouveau_backlight_init(struct drm_device *);
1058 extern void nouveau_backlight_exit(struct drm_device *);
1059 #else
1060 static inline int nouveau_backlight_init(struct drm_device *dev)
1061 {
1062 	return 0;
1063 }
1064 
1065 static inline void nouveau_backlight_exit(struct drm_device *dev) { }
1066 #endif
1067 
1068 /* nouveau_bios.c */
1069 extern int nouveau_bios_init(struct drm_device *);
1070 extern void nouveau_bios_takedown(struct drm_device *dev);
1071 extern int nouveau_run_vbios_init(struct drm_device *);
1072 extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1073 					struct dcb_entry *, int crtc);
1074 extern void nouveau_bios_init_exec(struct drm_device *, uint16_t table);
1075 extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1076 						      enum dcb_gpio_tag);
1077 extern struct dcb_connector_table_entry *
1078 nouveau_bios_connector_entry(struct drm_device *, int index);
1079 extern u32 get_pll_register(struct drm_device *, enum pll_types);
1080 extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1081 			  struct pll_lims *);
1082 extern int nouveau_bios_run_display_table(struct drm_device *, u16 id, int clk,
1083 					  struct dcb_entry *, int crtc);
1084 extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1085 extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1086 extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1087 					 bool *dl, bool *if_is_24bit);
1088 extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1089 			  int head, int pxclk);
1090 extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1091 			    enum LVDS_script, int pxclk);
1092 bool bios_encoder_match(struct dcb_entry *, u32 hash);
1093 
1094 /* nouveau_ttm.c */
1095 int nouveau_ttm_global_init(struct drm_nouveau_private *);
1096 void nouveau_ttm_global_release(struct drm_nouveau_private *);
1097 int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1098 
1099 /* nouveau_dp.c */
1100 int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1101 		     uint8_t *data, int data_nr);
1102 bool nouveau_dp_detect(struct drm_encoder *);
1103 bool nouveau_dp_link_train(struct drm_encoder *, u32 datarate);
1104 void nouveau_dp_tu_update(struct drm_device *, int, int, u32, u32);
1105 u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **);
1106 
1107 /* nv04_fb.c */
1108 extern int  nv04_fb_init(struct drm_device *);
1109 extern void nv04_fb_takedown(struct drm_device *);
1110 
1111 /* nv10_fb.c */
1112 extern int  nv10_fb_init(struct drm_device *);
1113 extern void nv10_fb_takedown(struct drm_device *);
1114 extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1115 				     uint32_t addr, uint32_t size,
1116 				     uint32_t pitch, uint32_t flags);
1117 extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1118 extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1119 
1120 /* nv30_fb.c */
1121 extern int  nv30_fb_init(struct drm_device *);
1122 extern void nv30_fb_takedown(struct drm_device *);
1123 extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1124 				     uint32_t addr, uint32_t size,
1125 				     uint32_t pitch, uint32_t flags);
1126 extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1127 
1128 /* nv40_fb.c */
1129 extern int  nv40_fb_init(struct drm_device *);
1130 extern void nv40_fb_takedown(struct drm_device *);
1131 extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1132 
1133 /* nv50_fb.c */
1134 extern int  nv50_fb_init(struct drm_device *);
1135 extern void nv50_fb_takedown(struct drm_device *);
1136 extern void nv50_fb_vm_trap(struct drm_device *, int display);
1137 
1138 /* nvc0_fb.c */
1139 extern int  nvc0_fb_init(struct drm_device *);
1140 extern void nvc0_fb_takedown(struct drm_device *);
1141 
1142 /* nv04_fifo.c */
1143 extern int  nv04_fifo_init(struct drm_device *);
1144 extern void nv04_fifo_fini(struct drm_device *);
1145 extern void nv04_fifo_disable(struct drm_device *);
1146 extern void nv04_fifo_enable(struct drm_device *);
1147 extern bool nv04_fifo_reassign(struct drm_device *, bool);
1148 extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1149 extern int  nv04_fifo_channel_id(struct drm_device *);
1150 extern int  nv04_fifo_create_context(struct nouveau_channel *);
1151 extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1152 extern int  nv04_fifo_load_context(struct nouveau_channel *);
1153 extern int  nv04_fifo_unload_context(struct drm_device *);
1154 extern void nv04_fifo_isr(struct drm_device *);
1155 
1156 /* nv10_fifo.c */
1157 extern int  nv10_fifo_init(struct drm_device *);
1158 extern int  nv10_fifo_channel_id(struct drm_device *);
1159 extern int  nv10_fifo_create_context(struct nouveau_channel *);
1160 extern int  nv10_fifo_load_context(struct nouveau_channel *);
1161 extern int  nv10_fifo_unload_context(struct drm_device *);
1162 
1163 /* nv40_fifo.c */
1164 extern int  nv40_fifo_init(struct drm_device *);
1165 extern int  nv40_fifo_create_context(struct nouveau_channel *);
1166 extern int  nv40_fifo_load_context(struct nouveau_channel *);
1167 extern int  nv40_fifo_unload_context(struct drm_device *);
1168 
1169 /* nv50_fifo.c */
1170 extern int  nv50_fifo_init(struct drm_device *);
1171 extern void nv50_fifo_takedown(struct drm_device *);
1172 extern int  nv50_fifo_channel_id(struct drm_device *);
1173 extern int  nv50_fifo_create_context(struct nouveau_channel *);
1174 extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1175 extern int  nv50_fifo_load_context(struct nouveau_channel *);
1176 extern int  nv50_fifo_unload_context(struct drm_device *);
1177 extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1178 
1179 /* nvc0_fifo.c */
1180 extern int  nvc0_fifo_init(struct drm_device *);
1181 extern void nvc0_fifo_takedown(struct drm_device *);
1182 extern void nvc0_fifo_disable(struct drm_device *);
1183 extern void nvc0_fifo_enable(struct drm_device *);
1184 extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1185 extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1186 extern int  nvc0_fifo_channel_id(struct drm_device *);
1187 extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1188 extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1189 extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1190 extern int  nvc0_fifo_unload_context(struct drm_device *);
1191 
1192 /* nv04_graph.c */
1193 extern int  nv04_graph_create(struct drm_device *);
1194 extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1195 extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1196 				      u32 class, u32 mthd, u32 data);
1197 extern struct nouveau_bitfield nv04_graph_nsource[];
1198 
1199 /* nv10_graph.c */
1200 extern int  nv10_graph_create(struct drm_device *);
1201 extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1202 extern struct nouveau_bitfield nv10_graph_intr[];
1203 extern struct nouveau_bitfield nv10_graph_nstatus[];
1204 
1205 /* nv20_graph.c */
1206 extern int  nv20_graph_create(struct drm_device *);
1207 
1208 /* nv40_graph.c */
1209 extern int  nv40_graph_create(struct drm_device *);
1210 extern void nv40_grctx_init(struct nouveau_grctx *);
1211 
1212 /* nv50_graph.c */
1213 extern int  nv50_graph_create(struct drm_device *);
1214 extern int  nv50_grctx_init(struct nouveau_grctx *);
1215 extern struct nouveau_enum nv50_data_error_names[];
1216 extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1217 
1218 /* nvc0_graph.c */
1219 extern int  nvc0_graph_create(struct drm_device *);
1220 extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1221 
1222 /* nv84_crypt.c */
1223 extern int  nv84_crypt_create(struct drm_device *);
1224 
1225 /* nva3_copy.c */
1226 extern int  nva3_copy_create(struct drm_device *dev);
1227 
1228 /* nvc0_copy.c */
1229 extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1230 
1231 /* nv31_mpeg.c */
1232 extern int  nv31_mpeg_create(struct drm_device *dev);
1233 
1234 /* nv50_mpeg.c */
1235 extern int  nv50_mpeg_create(struct drm_device *dev);
1236 
1237 /* nv04_instmem.c */
1238 extern int  nv04_instmem_init(struct drm_device *);
1239 extern void nv04_instmem_takedown(struct drm_device *);
1240 extern int  nv04_instmem_suspend(struct drm_device *);
1241 extern void nv04_instmem_resume(struct drm_device *);
1242 extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1243 			     u32 size, u32 align);
1244 extern void nv04_instmem_put(struct nouveau_gpuobj *);
1245 extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1246 extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1247 extern void nv04_instmem_flush(struct drm_device *);
1248 
1249 /* nv50_instmem.c */
1250 extern int  nv50_instmem_init(struct drm_device *);
1251 extern void nv50_instmem_takedown(struct drm_device *);
1252 extern int  nv50_instmem_suspend(struct drm_device *);
1253 extern void nv50_instmem_resume(struct drm_device *);
1254 extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1255 			     u32 size, u32 align);
1256 extern void nv50_instmem_put(struct nouveau_gpuobj *);
1257 extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1258 extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1259 extern void nv50_instmem_flush(struct drm_device *);
1260 extern void nv84_instmem_flush(struct drm_device *);
1261 
1262 /* nvc0_instmem.c */
1263 extern int  nvc0_instmem_init(struct drm_device *);
1264 extern void nvc0_instmem_takedown(struct drm_device *);
1265 extern int  nvc0_instmem_suspend(struct drm_device *);
1266 extern void nvc0_instmem_resume(struct drm_device *);
1267 
1268 /* nv04_mc.c */
1269 extern int  nv04_mc_init(struct drm_device *);
1270 extern void nv04_mc_takedown(struct drm_device *);
1271 
1272 /* nv40_mc.c */
1273 extern int  nv40_mc_init(struct drm_device *);
1274 extern void nv40_mc_takedown(struct drm_device *);
1275 
1276 /* nv50_mc.c */
1277 extern int  nv50_mc_init(struct drm_device *);
1278 extern void nv50_mc_takedown(struct drm_device *);
1279 
1280 /* nv04_timer.c */
1281 extern int  nv04_timer_init(struct drm_device *);
1282 extern uint64_t nv04_timer_read(struct drm_device *);
1283 extern void nv04_timer_takedown(struct drm_device *);
1284 
1285 extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1286 				 unsigned long arg);
1287 
1288 /* nv04_dac.c */
1289 extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1290 extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1291 extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1292 extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1293 extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1294 
1295 /* nv04_dfp.c */
1296 extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1297 extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1298 extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1299 			       int head, bool dl);
1300 extern void nv04_dfp_disable(struct drm_device *dev, int head);
1301 extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1302 
1303 /* nv04_tv.c */
1304 extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1305 extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1306 
1307 /* nv17_tv.c */
1308 extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1309 
1310 /* nv04_display.c */
1311 extern int nv04_display_early_init(struct drm_device *);
1312 extern void nv04_display_late_takedown(struct drm_device *);
1313 extern int nv04_display_create(struct drm_device *);
1314 extern int nv04_display_init(struct drm_device *);
1315 extern void nv04_display_destroy(struct drm_device *);
1316 
1317 /* nvd0_display.c */
1318 extern int nvd0_display_create(struct drm_device *);
1319 extern int nvd0_display_init(struct drm_device *);
1320 extern void nvd0_display_destroy(struct drm_device *);
1321 
1322 /* nv04_crtc.c */
1323 extern int nv04_crtc_create(struct drm_device *, int index);
1324 
1325 /* nouveau_bo.c */
1326 extern struct ttm_bo_driver nouveau_bo_driver;
1327 extern int nouveau_bo_new(struct drm_device *, int size, int align,
1328 			  uint32_t flags, uint32_t tile_mode,
1329 			  uint32_t tile_flags, struct nouveau_bo **);
1330 extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1331 extern int nouveau_bo_unpin(struct nouveau_bo *);
1332 extern int nouveau_bo_map(struct nouveau_bo *);
1333 extern void nouveau_bo_unmap(struct nouveau_bo *);
1334 extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1335 				     uint32_t busy);
1336 extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1337 extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1338 extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1339 extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1340 extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1341 extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1342 			       bool no_wait_reserve, bool no_wait_gpu);
1343 
1344 extern struct nouveau_vma *
1345 nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
1346 extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
1347 			       struct nouveau_vma *);
1348 extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
1349 
1350 /* nouveau_fence.c */
1351 struct nouveau_fence;
1352 extern int nouveau_fence_init(struct drm_device *);
1353 extern void nouveau_fence_fini(struct drm_device *);
1354 extern int nouveau_fence_channel_init(struct nouveau_channel *);
1355 extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1356 extern void nouveau_fence_update(struct nouveau_channel *);
1357 extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1358 			     bool emit);
1359 extern int nouveau_fence_emit(struct nouveau_fence *);
1360 extern void nouveau_fence_work(struct nouveau_fence *fence,
1361 			       void (*work)(void *priv, bool signalled),
1362 			       void *priv);
1363 struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1364 
1365 extern bool __nouveau_fence_signalled(void *obj, void *arg);
1366 extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1367 extern int __nouveau_fence_flush(void *obj, void *arg);
1368 extern void __nouveau_fence_unref(void **obj);
1369 extern void *__nouveau_fence_ref(void *obj);
1370 
1371 static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1372 {
1373 	return __nouveau_fence_signalled(obj, NULL);
1374 }
1375 static inline int
1376 nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1377 {
1378 	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1379 }
1380 extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1381 static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1382 {
1383 	return __nouveau_fence_flush(obj, NULL);
1384 }
1385 static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1386 {
1387 	__nouveau_fence_unref((void **)obj);
1388 }
1389 static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1390 {
1391 	return __nouveau_fence_ref(obj);
1392 }
1393 
1394 /* nouveau_gem.c */
1395 extern int nouveau_gem_new(struct drm_device *, int size, int align,
1396 			   uint32_t domain, uint32_t tile_mode,
1397 			   uint32_t tile_flags, struct nouveau_bo **);
1398 extern int nouveau_gem_object_new(struct drm_gem_object *);
1399 extern void nouveau_gem_object_del(struct drm_gem_object *);
1400 extern int nouveau_gem_object_open(struct drm_gem_object *, struct drm_file *);
1401 extern void nouveau_gem_object_close(struct drm_gem_object *,
1402 				     struct drm_file *);
1403 extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1404 				 struct drm_file *);
1405 extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1406 				     struct drm_file *);
1407 extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1408 				      struct drm_file *);
1409 extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1410 				      struct drm_file *);
1411 extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1412 				  struct drm_file *);
1413 
1414 /* nouveau_display.c */
1415 int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1416 void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1417 int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1418 			   struct drm_pending_vblank_event *event);
1419 int nouveau_finish_page_flip(struct nouveau_channel *,
1420 			     struct nouveau_page_flip_state *);
1421 
1422 /* nv10_gpio.c */
1423 int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1424 int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1425 
1426 /* nv50_gpio.c */
1427 int nv50_gpio_init(struct drm_device *dev);
1428 void nv50_gpio_fini(struct drm_device *dev);
1429 int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1430 int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1431 int nvd0_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1432 int nvd0_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1433 int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1434 			    void (*)(void *, int), void *);
1435 void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1436 			      void (*)(void *, int), void *);
1437 bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1438 
1439 /* nv50_calc. */
1440 int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1441 		  int *N1, int *M1, int *N2, int *M2, int *P);
1442 int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1443 		  int clk, int *N, int *fN, int *M, int *P);
1444 
1445 #ifndef ioread32_native
1446 #ifdef __BIG_ENDIAN
1447 #define ioread16_native ioread16be
1448 #define iowrite16_native iowrite16be
1449 #define ioread32_native  ioread32be
1450 #define iowrite32_native iowrite32be
1451 #else /* def __BIG_ENDIAN */
1452 #define ioread16_native ioread16
1453 #define iowrite16_native iowrite16
1454 #define ioread32_native  ioread32
1455 #define iowrite32_native iowrite32
1456 #endif /* def __BIG_ENDIAN else */
1457 #endif /* !ioread32_native */
1458 
1459 /* channel control reg access */
1460 static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1461 {
1462 	return ioread32_native(chan->user + reg);
1463 }
1464 
1465 static inline void nvchan_wr32(struct nouveau_channel *chan,
1466 							unsigned reg, u32 val)
1467 {
1468 	iowrite32_native(val, chan->user + reg);
1469 }
1470 
1471 /* register access */
1472 static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1473 {
1474 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1475 	return ioread32_native(dev_priv->mmio + reg);
1476 }
1477 
1478 static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1479 {
1480 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1481 	iowrite32_native(val, dev_priv->mmio + reg);
1482 }
1483 
1484 static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1485 {
1486 	u32 tmp = nv_rd32(dev, reg);
1487 	nv_wr32(dev, reg, (tmp & ~mask) | val);
1488 	return tmp;
1489 }
1490 
1491 static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1492 {
1493 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1494 	return ioread8(dev_priv->mmio + reg);
1495 }
1496 
1497 static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1498 {
1499 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1500 	iowrite8(val, dev_priv->mmio + reg);
1501 }
1502 
1503 #define nv_wait(dev, reg, mask, val) \
1504 	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1505 #define nv_wait_ne(dev, reg, mask, val) \
1506 	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1507 #define nv_wait_cb(dev, func, data) \
1508 	nouveau_wait_cb(dev, 2000000000ULL, (func), (data))
1509 
1510 /* PRAMIN access */
1511 static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1512 {
1513 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1514 	return ioread32_native(dev_priv->ramin + offset);
1515 }
1516 
1517 static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1518 {
1519 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1520 	iowrite32_native(val, dev_priv->ramin + offset);
1521 }
1522 
1523 /* object access */
1524 extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1525 extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1526 
1527 /*
1528  * Logging
1529  * Argument d is (struct drm_device *).
1530  */
1531 #define NV_PRINTK(level, d, fmt, arg...) \
1532 	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1533 					pci_name(d->pdev), ##arg)
1534 #ifndef NV_DEBUG_NOTRACE
1535 #define NV_DEBUG(d, fmt, arg...) do {                                          \
1536 	if (drm_debug & DRM_UT_DRIVER) {                                       \
1537 		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1538 			  __LINE__, ##arg);                                    \
1539 	}                                                                      \
1540 } while (0)
1541 #define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1542 	if (drm_debug & DRM_UT_KMS) {                                          \
1543 		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1544 			  __LINE__, ##arg);                                    \
1545 	}                                                                      \
1546 } while (0)
1547 #else
1548 #define NV_DEBUG(d, fmt, arg...) do {                                          \
1549 	if (drm_debug & DRM_UT_DRIVER)                                         \
1550 		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1551 } while (0)
1552 #define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1553 	if (drm_debug & DRM_UT_KMS)                                            \
1554 		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1555 } while (0)
1556 #endif
1557 #define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1558 #define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1559 #define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1560 #define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1561 #define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1562 
1563 /* nouveau_reg_debug bitmask */
1564 enum {
1565 	NOUVEAU_REG_DEBUG_MC             = 0x1,
1566 	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1567 	NOUVEAU_REG_DEBUG_FB             = 0x4,
1568 	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1569 	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1570 	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1571 	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1572 	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1573 	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1574 	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1575 	NOUVEAU_REG_DEBUG_AUXCH          = 0x400
1576 };
1577 
1578 #define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1579 	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1580 		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1581 } while (0)
1582 
1583 static inline bool
1584 nv_two_heads(struct drm_device *dev)
1585 {
1586 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1587 	const int impl = dev->pci_device & 0x0ff0;
1588 
1589 	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1590 	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1591 		return true;
1592 
1593 	return false;
1594 }
1595 
1596 static inline bool
1597 nv_gf4_disp_arch(struct drm_device *dev)
1598 {
1599 	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1600 }
1601 
1602 static inline bool
1603 nv_two_reg_pll(struct drm_device *dev)
1604 {
1605 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1606 	const int impl = dev->pci_device & 0x0ff0;
1607 
1608 	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1609 		return true;
1610 	return false;
1611 }
1612 
1613 static inline bool
1614 nv_match_device(struct drm_device *dev, unsigned device,
1615 		unsigned sub_vendor, unsigned sub_device)
1616 {
1617 	return dev->pdev->device == device &&
1618 		dev->pdev->subsystem_vendor == sub_vendor &&
1619 		dev->pdev->subsystem_device == sub_device;
1620 }
1621 
1622 static inline void *
1623 nv_engine(struct drm_device *dev, int engine)
1624 {
1625 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1626 	return (void *)dev_priv->eng[engine];
1627 }
1628 
1629 /* returns 1 if device is one of the nv4x using the 0x4497 object class,
1630  * helpful to determine a number of other hardware features
1631  */
1632 static inline int
1633 nv44_graph_class(struct drm_device *dev)
1634 {
1635 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1636 
1637 	if ((dev_priv->chipset & 0xf0) == 0x60)
1638 		return 1;
1639 
1640 	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1641 }
1642 
1643 /* memory type/access flags, do not match hardware values */
1644 #define NV_MEM_ACCESS_RO  1
1645 #define NV_MEM_ACCESS_WO  2
1646 #define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1647 #define NV_MEM_ACCESS_SYS 4
1648 #define NV_MEM_ACCESS_VM  8
1649 
1650 #define NV_MEM_TARGET_VRAM        0
1651 #define NV_MEM_TARGET_PCI         1
1652 #define NV_MEM_TARGET_PCI_NOSNOOP 2
1653 #define NV_MEM_TARGET_VM          3
1654 #define NV_MEM_TARGET_GART        4
1655 
1656 #define NV_MEM_TYPE_VM 0x7f
1657 #define NV_MEM_COMP_VM 0x03
1658 
1659 /* NV_SW object class */
1660 #define NV_SW                                                        0x0000506e
1661 #define NV_SW_DMA_SEMAPHORE                                          0x00000060
1662 #define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1663 #define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1664 #define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1665 #define NV_SW_YIELD                                                  0x00000080
1666 #define NV_SW_DMA_VBLSEM                                             0x0000018c
1667 #define NV_SW_VBLSEM_OFFSET                                          0x00000400
1668 #define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1669 #define NV_SW_VBLSEM_RELEASE                                         0x00000408
1670 #define NV_SW_PAGE_FLIP                                              0x00000500
1671 
1672 #endif /* __NOUVEAU_DRV_H__ */
1673