nouveau_drv.h revision d81c19e312a22bdcebef1370f3af30a146670787
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
48struct nouveau_fpriv {
49	spinlock_t lock;
50	struct list_head channels;
51	struct nouveau_vm *vm;
52};
53
54static inline struct nouveau_fpriv *
55nouveau_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
67struct nouveau_grctx;
68struct 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
76struct 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
91struct 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
101struct 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
132static inline struct nouveau_bo *
133nouveau_bo(struct ttm_buffer_object *bo)
134{
135	return container_of(bo, struct nouveau_bo, bo);
136}
137
138static inline struct nouveau_bo *
139nouveau_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? */
145static inline void __iomem *
146nvbo_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
155enum 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_PPP	NVOBJ_ENGINE_MPEG
167#define NVOBJ_ENGINE_BSP	6
168#define NVOBJ_ENGINE_VP		7
169#define NVOBJ_ENGINE_DISPLAY	15
170#define NVOBJ_ENGINE_NR		16
171
172#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
173#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
174#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
175#define NVOBJ_FLAG_VM			(1 << 3)
176#define NVOBJ_FLAG_VM_USER		(1 << 4)
177
178#define NVOBJ_CINST_GLOBAL	0xdeadbeef
179
180struct nouveau_gpuobj {
181	struct drm_device *dev;
182	struct kref refcount;
183	struct list_head list;
184
185	void *node;
186	u32 *suspend;
187
188	uint32_t flags;
189
190	u32 size;
191	u32 pinst;	/* PRAMIN BAR offset */
192	u32 cinst;	/* Channel offset */
193	u64 vinst;	/* VRAM address */
194	u64 linst;	/* VM address */
195
196	uint32_t engine;
197	uint32_t class;
198
199	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
200	void *priv;
201};
202
203struct nouveau_page_flip_state {
204	struct list_head head;
205	struct drm_pending_vblank_event *event;
206	int crtc, bpp, pitch, x, y;
207	uint64_t offset;
208};
209
210enum nouveau_channel_mutex_class {
211	NOUVEAU_UCHANNEL_MUTEX,
212	NOUVEAU_KCHANNEL_MUTEX
213};
214
215struct nouveau_channel {
216	struct drm_device *dev;
217	struct list_head list;
218	int id;
219
220	/* references to the channel data structure */
221	struct kref ref;
222	/* users of the hardware channel resources, the hardware
223	 * context will be kicked off when it reaches zero. */
224	atomic_t users;
225	struct mutex mutex;
226
227	/* owner of this fifo */
228	struct drm_file *file_priv;
229	/* mapping of the fifo itself */
230	struct drm_local_map *map;
231
232	/* mapping of the regs controlling the fifo */
233	void __iomem *user;
234	uint32_t user_get;
235	uint32_t user_get_hi;
236	uint32_t user_put;
237
238	/* Fencing */
239	struct {
240		/* lock protects the pending list only */
241		spinlock_t lock;
242		struct list_head pending;
243		uint32_t sequence;
244		uint32_t sequence_ack;
245		atomic_t last_sequence_irq;
246		struct nouveau_vma vma;
247	} fence;
248
249	/* DMA push buffer */
250	struct nouveau_gpuobj *pushbuf;
251	struct nouveau_bo     *pushbuf_bo;
252	struct nouveau_vma     pushbuf_vma;
253	uint64_t               pushbuf_base;
254
255	/* Notifier memory */
256	struct nouveau_bo *notifier_bo;
257	struct nouveau_vma notifier_vma;
258	struct drm_mm notifier_heap;
259
260	/* PFIFO context */
261	struct nouveau_gpuobj *ramfc;
262	struct nouveau_gpuobj *cache;
263	void *fifo_priv;
264
265	/* Execution engine contexts */
266	void *engctx[NVOBJ_ENGINE_NR];
267
268	/* NV50 VM */
269	struct nouveau_vm     *vm;
270	struct nouveau_gpuobj *vm_pd;
271
272	/* Objects */
273	struct nouveau_gpuobj *ramin; /* Private instmem */
274	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
275	struct nouveau_ramht  *ramht; /* Hash table */
276
277	/* GPU object info for stuff used in-kernel (mm_enabled) */
278	uint32_t m2mf_ntfy;
279	uint32_t vram_handle;
280	uint32_t gart_handle;
281	bool accel_done;
282
283	/* Push buffer state (only for drm's channel on !mm_enabled) */
284	struct {
285		int max;
286		int free;
287		int cur;
288		int put;
289		/* access via pushbuf_bo */
290
291		int ib_base;
292		int ib_max;
293		int ib_free;
294		int ib_put;
295	} dma;
296
297	uint32_t sw_subchannel[8];
298
299	struct nouveau_vma dispc_vma[2];
300	struct {
301		struct nouveau_gpuobj *vblsem;
302		uint32_t vblsem_head;
303		uint32_t vblsem_offset;
304		uint32_t vblsem_rval;
305		struct list_head vbl_wait;
306		struct list_head flip;
307	} nvsw;
308
309	struct {
310		bool active;
311		char name[32];
312		struct drm_info_list info;
313	} debugfs;
314};
315
316struct nouveau_exec_engine {
317	void (*destroy)(struct drm_device *, int engine);
318	int  (*init)(struct drm_device *, int engine);
319	int  (*fini)(struct drm_device *, int engine, bool suspend);
320	int  (*context_new)(struct nouveau_channel *, int engine);
321	void (*context_del)(struct nouveau_channel *, int engine);
322	int  (*object_new)(struct nouveau_channel *, int engine,
323			   u32 handle, u16 class);
324	void (*set_tile_region)(struct drm_device *dev, int i);
325	void (*tlb_flush)(struct drm_device *, int engine);
326};
327
328struct nouveau_instmem_engine {
329	void	*priv;
330
331	int	(*init)(struct drm_device *dev);
332	void	(*takedown)(struct drm_device *dev);
333	int	(*suspend)(struct drm_device *dev);
334	void	(*resume)(struct drm_device *dev);
335
336	int	(*get)(struct nouveau_gpuobj *, struct nouveau_channel *,
337		       u32 size, u32 align);
338	void	(*put)(struct nouveau_gpuobj *);
339	int	(*map)(struct nouveau_gpuobj *);
340	void	(*unmap)(struct nouveau_gpuobj *);
341
342	void	(*flush)(struct drm_device *);
343};
344
345struct nouveau_mc_engine {
346	int  (*init)(struct drm_device *dev);
347	void (*takedown)(struct drm_device *dev);
348};
349
350struct nouveau_timer_engine {
351	int      (*init)(struct drm_device *dev);
352	void     (*takedown)(struct drm_device *dev);
353	uint64_t (*read)(struct drm_device *dev);
354};
355
356struct nouveau_fb_engine {
357	int num_tiles;
358	struct drm_mm tag_heap;
359	void *priv;
360
361	int  (*init)(struct drm_device *dev);
362	void (*takedown)(struct drm_device *dev);
363
364	void (*init_tile_region)(struct drm_device *dev, int i,
365				 uint32_t addr, uint32_t size,
366				 uint32_t pitch, uint32_t flags);
367	void (*set_tile_region)(struct drm_device *dev, int i);
368	void (*free_tile_region)(struct drm_device *dev, int i);
369};
370
371struct nouveau_fifo_engine {
372	void *priv;
373	int  channels;
374
375	struct nouveau_gpuobj *playlist[2];
376	int cur_playlist;
377
378	int  (*init)(struct drm_device *);
379	void (*takedown)(struct drm_device *);
380
381	void (*disable)(struct drm_device *);
382	void (*enable)(struct drm_device *);
383	bool (*reassign)(struct drm_device *, bool enable);
384	bool (*cache_pull)(struct drm_device *dev, bool enable);
385
386	int  (*channel_id)(struct drm_device *);
387
388	int  (*create_context)(struct nouveau_channel *);
389	void (*destroy_context)(struct nouveau_channel *);
390	int  (*load_context)(struct nouveau_channel *);
391	int  (*unload_context)(struct drm_device *);
392	void (*tlb_flush)(struct drm_device *dev);
393};
394
395struct nouveau_display_engine {
396	void *priv;
397	int (*early_init)(struct drm_device *);
398	void (*late_takedown)(struct drm_device *);
399	int (*create)(struct drm_device *);
400	void (*destroy)(struct drm_device *);
401	int (*init)(struct drm_device *);
402	void (*fini)(struct drm_device *);
403
404	struct drm_property *dithering_mode;
405	struct drm_property *dithering_depth;
406	struct drm_property *underscan_property;
407	struct drm_property *underscan_hborder_property;
408	struct drm_property *underscan_vborder_property;
409};
410
411struct nouveau_gpio_engine {
412	spinlock_t lock;
413	struct list_head isr;
414	int (*init)(struct drm_device *);
415	void (*fini)(struct drm_device *);
416	int (*drive)(struct drm_device *, int line, int dir, int out);
417	int (*sense)(struct drm_device *, int line);
418	void (*irq_enable)(struct drm_device *, int line, bool);
419};
420
421struct nouveau_pm_voltage_level {
422	u32 voltage; /* microvolts */
423	u8  vid;
424};
425
426struct nouveau_pm_voltage {
427	bool supported;
428	u8 version;
429	u8 vid_mask;
430
431	struct nouveau_pm_voltage_level *level;
432	int nr_level;
433};
434
435struct nouveau_pm_memtiming {
436	int id;
437	u32 reg_0; /* 0x10f290 on Fermi, 0x100220 for older */
438	u32 reg_1;
439	u32 reg_2;
440	u32 reg_3;
441	u32 reg_4;
442	u32 reg_5;
443	u32 reg_6;
444	u32 reg_7;
445	u32 reg_8;
446	/* To be written to 0x1002c0 */
447	u8 CL;
448	u8 WR;
449};
450
451struct nouveau_pm_tbl_header{
452	u8 version;
453	u8 header_len;
454	u8 entry_cnt;
455	u8 entry_len;
456};
457
458struct nouveau_pm_tbl_entry{
459	u8 tWR;
460	u8 tUNK_1;
461	u8 tCL;
462	u8 tRP;		/* Byte 3 */
463	u8 empty_4;
464	u8 tRAS;	/* Byte 5 */
465	u8 empty_6;
466	u8 tRFC;	/* Byte 7 */
467	u8 empty_8;
468	u8 tRC;		/* Byte 9 */
469	u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
470	u8 empty_15,empty_16,empty_17;
471	u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
472};
473
474/* nouveau_mem.c */
475void nv30_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr,
476							struct nouveau_pm_tbl_entry *e, uint8_t magic_number,
477							struct nouveau_pm_memtiming *timing);
478
479#define NOUVEAU_PM_MAX_LEVEL 8
480struct nouveau_pm_level {
481	struct device_attribute dev_attr;
482	char name[32];
483	int id;
484
485	u32 core;
486	u32 memory;
487	u32 shader;
488	u32 rop;
489	u32 copy;
490	u32 daemon;
491	u32 vdec;
492	u32 dom6;
493	u32 unka0;	/* nva3:nvc0 */
494	u32 hub01;	/* nvc0- */
495	u32 hub06;	/* nvc0- */
496	u32 hub07;	/* nvc0- */
497
498	u32 volt_min; /* microvolts */
499	u32 volt_max;
500	u8  fanspeed;
501
502	u16 memscript;
503	struct nouveau_pm_memtiming *timing;
504};
505
506struct nouveau_pm_temp_sensor_constants {
507	u16 offset_constant;
508	s16 offset_mult;
509	s16 offset_div;
510	s16 slope_mult;
511	s16 slope_div;
512};
513
514struct nouveau_pm_threshold_temp {
515	s16 critical;
516	s16 down_clock;
517	s16 fan_boost;
518};
519
520struct nouveau_pm_memtimings {
521	bool supported;
522	struct nouveau_pm_memtiming *timing;
523	int nr_timing;
524};
525
526struct nouveau_pm_fan {
527	u32 min_duty;
528	u32 max_duty;
529	u32 pwm_freq;
530};
531
532struct nouveau_pm_engine {
533	struct nouveau_pm_voltage voltage;
534	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
535	int nr_perflvl;
536	struct nouveau_pm_memtimings memtimings;
537	struct nouveau_pm_temp_sensor_constants sensor_constants;
538	struct nouveau_pm_threshold_temp threshold_temp;
539	struct nouveau_pm_fan fan;
540	u32 pwm_divisor;
541
542	struct nouveau_pm_level boot;
543	struct nouveau_pm_level *cur;
544
545	struct device *hwmon;
546	struct notifier_block acpi_nb;
547
548	int  (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
549	void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
550	int (*clocks_set)(struct drm_device *, void *);
551
552	int (*voltage_get)(struct drm_device *);
553	int (*voltage_set)(struct drm_device *, int voltage);
554	int (*pwm_get)(struct drm_device *, int line, u32*, u32*);
555	int (*pwm_set)(struct drm_device *, int line, u32, u32);
556	int (*temp_get)(struct drm_device *);
557};
558
559struct nouveau_vram_engine {
560	struct nouveau_mm mm;
561
562	int  (*init)(struct drm_device *);
563	void (*takedown)(struct drm_device *dev);
564	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
565		    u32 type, struct nouveau_mem **);
566	void (*put)(struct drm_device *, struct nouveau_mem **);
567
568	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
569};
570
571struct nouveau_engine {
572	struct nouveau_instmem_engine instmem;
573	struct nouveau_mc_engine      mc;
574	struct nouveau_timer_engine   timer;
575	struct nouveau_fb_engine      fb;
576	struct nouveau_fifo_engine    fifo;
577	struct nouveau_display_engine display;
578	struct nouveau_gpio_engine    gpio;
579	struct nouveau_pm_engine      pm;
580	struct nouveau_vram_engine    vram;
581};
582
583struct nouveau_pll_vals {
584	union {
585		struct {
586#ifdef __BIG_ENDIAN
587			uint8_t N1, M1, N2, M2;
588#else
589			uint8_t M1, N1, M2, N2;
590#endif
591		};
592		struct {
593			uint16_t NM1, NM2;
594		} __attribute__((packed));
595	};
596	int log2P;
597
598	int refclk;
599};
600
601enum nv04_fp_display_regs {
602	FP_DISPLAY_END,
603	FP_TOTAL,
604	FP_CRTC,
605	FP_SYNC_START,
606	FP_SYNC_END,
607	FP_VALID_START,
608	FP_VALID_END
609};
610
611struct nv04_crtc_reg {
612	unsigned char MiscOutReg;
613	uint8_t CRTC[0xa0];
614	uint8_t CR58[0x10];
615	uint8_t Sequencer[5];
616	uint8_t Graphics[9];
617	uint8_t Attribute[21];
618	unsigned char DAC[768];
619
620	/* PCRTC regs */
621	uint32_t fb_start;
622	uint32_t crtc_cfg;
623	uint32_t cursor_cfg;
624	uint32_t gpio_ext;
625	uint32_t crtc_830;
626	uint32_t crtc_834;
627	uint32_t crtc_850;
628	uint32_t crtc_eng_ctrl;
629
630	/* PRAMDAC regs */
631	uint32_t nv10_cursync;
632	struct nouveau_pll_vals pllvals;
633	uint32_t ramdac_gen_ctrl;
634	uint32_t ramdac_630;
635	uint32_t ramdac_634;
636	uint32_t tv_setup;
637	uint32_t tv_vtotal;
638	uint32_t tv_vskew;
639	uint32_t tv_vsync_delay;
640	uint32_t tv_htotal;
641	uint32_t tv_hskew;
642	uint32_t tv_hsync_delay;
643	uint32_t tv_hsync_delay2;
644	uint32_t fp_horiz_regs[7];
645	uint32_t fp_vert_regs[7];
646	uint32_t dither;
647	uint32_t fp_control;
648	uint32_t dither_regs[6];
649	uint32_t fp_debug_0;
650	uint32_t fp_debug_1;
651	uint32_t fp_debug_2;
652	uint32_t fp_margin_color;
653	uint32_t ramdac_8c0;
654	uint32_t ramdac_a20;
655	uint32_t ramdac_a24;
656	uint32_t ramdac_a34;
657	uint32_t ctv_regs[38];
658};
659
660struct nv04_output_reg {
661	uint32_t output;
662	int head;
663};
664
665struct nv04_mode_state {
666	struct nv04_crtc_reg crtc_reg[2];
667	uint32_t pllsel;
668	uint32_t sel_clk;
669};
670
671enum nouveau_card_type {
672	NV_04      = 0x00,
673	NV_10      = 0x10,
674	NV_20      = 0x20,
675	NV_30      = 0x30,
676	NV_40      = 0x40,
677	NV_50      = 0x50,
678	NV_C0      = 0xc0,
679	NV_D0      = 0xd0
680};
681
682struct drm_nouveau_private {
683	struct drm_device *dev;
684	bool noaccel;
685
686	/* the card type, takes NV_* as values */
687	enum nouveau_card_type card_type;
688	/* exact chipset, derived from NV_PMC_BOOT_0 */
689	int chipset;
690	int flags;
691	u32 crystal;
692
693	void __iomem *mmio;
694
695	spinlock_t ramin_lock;
696	void __iomem *ramin;
697	u32 ramin_size;
698	u32 ramin_base;
699	bool ramin_available;
700	struct drm_mm ramin_heap;
701	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
702	struct list_head gpuobj_list;
703	struct list_head classes;
704
705	struct nouveau_bo *vga_ram;
706
707	/* interrupt handling */
708	void (*irq_handler[32])(struct drm_device *);
709	bool msi_enabled;
710
711	struct list_head vbl_waiting;
712
713	struct {
714		struct drm_global_reference mem_global_ref;
715		struct ttm_bo_global_ref bo_global_ref;
716		struct ttm_bo_device bdev;
717		atomic_t validate_sequence;
718	} ttm;
719
720	struct {
721		spinlock_t lock;
722		struct drm_mm heap;
723		struct nouveau_bo *bo;
724	} fence;
725
726	struct {
727		spinlock_t lock;
728		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
729	} channels;
730
731	struct nouveau_engine engine;
732	struct nouveau_channel *channel;
733
734	/* For PFIFO and PGRAPH. */
735	spinlock_t context_switch_lock;
736
737	/* VM/PRAMIN flush, legacy PRAMIN aperture */
738	spinlock_t vm_lock;
739
740	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
741	struct nouveau_ramht  *ramht;
742	struct nouveau_gpuobj *ramfc;
743	struct nouveau_gpuobj *ramro;
744
745	uint32_t ramin_rsvd_vram;
746
747	struct {
748		enum {
749			NOUVEAU_GART_NONE = 0,
750			NOUVEAU_GART_AGP,	/* AGP */
751			NOUVEAU_GART_PDMA,	/* paged dma object */
752			NOUVEAU_GART_HW		/* on-chip gart/vm */
753		} type;
754		uint64_t aper_base;
755		uint64_t aper_size;
756		uint64_t aper_free;
757
758		struct ttm_backend_func *func;
759
760		struct {
761			struct page *page;
762			dma_addr_t   addr;
763		} dummy;
764
765		struct nouveau_gpuobj *sg_ctxdma;
766	} gart_info;
767
768	/* nv10-nv40 tiling regions */
769	struct {
770		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
771		spinlock_t lock;
772	} tile;
773
774	/* VRAM/fb configuration */
775	enum {
776		NV_MEM_TYPE_UNKNOWN = 0,
777		NV_MEM_TYPE_STOLEN,
778		NV_MEM_TYPE_SGRAM,
779		NV_MEM_TYPE_SDRAM,
780		NV_MEM_TYPE_DDR1,
781		NV_MEM_TYPE_DDR2,
782		NV_MEM_TYPE_DDR3,
783		NV_MEM_TYPE_GDDR2,
784		NV_MEM_TYPE_GDDR3,
785		NV_MEM_TYPE_GDDR4,
786		NV_MEM_TYPE_GDDR5
787	} vram_type;
788	uint64_t vram_size;
789	uint64_t vram_sys_base;
790
791	uint64_t fb_available_size;
792	uint64_t fb_mappable_pages;
793	uint64_t fb_aper_free;
794	int fb_mtrr;
795
796	/* BAR control (NV50-) */
797	struct nouveau_vm *bar1_vm;
798	struct nouveau_vm *bar3_vm;
799
800	/* G8x/G9x virtual address space */
801	struct nouveau_vm *chan_vm;
802
803	struct nvbios vbios;
804	u8 *mxms;
805	struct list_head i2c_ports;
806
807	struct nv04_mode_state mode_reg;
808	struct nv04_mode_state saved_reg;
809	uint32_t saved_vga_font[4][16384];
810	uint32_t crtc_owner;
811	uint32_t dac_users[4];
812
813	struct backlight_device *backlight;
814
815	struct {
816		struct dentry *channel_root;
817	} debugfs;
818
819	struct nouveau_fbdev *nfbdev;
820	struct apertures_struct *apertures;
821};
822
823static inline struct drm_nouveau_private *
824nouveau_private(struct drm_device *dev)
825{
826	return dev->dev_private;
827}
828
829static inline struct drm_nouveau_private *
830nouveau_bdev(struct ttm_bo_device *bd)
831{
832	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
833}
834
835static inline int
836nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
837{
838	struct nouveau_bo *prev;
839
840	if (!pnvbo)
841		return -EINVAL;
842	prev = *pnvbo;
843
844	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
845	if (prev) {
846		struct ttm_buffer_object *bo = &prev->bo;
847
848		ttm_bo_unref(&bo);
849	}
850
851	return 0;
852}
853
854/* nouveau_drv.c */
855extern int nouveau_modeset;
856extern int nouveau_agpmode;
857extern int nouveau_duallink;
858extern int nouveau_uscript_lvds;
859extern int nouveau_uscript_tmds;
860extern int nouveau_vram_pushbuf;
861extern int nouveau_vram_notify;
862extern char *nouveau_vram_type;
863extern int nouveau_fbpercrtc;
864extern int nouveau_tv_disable;
865extern char *nouveau_tv_norm;
866extern int nouveau_reg_debug;
867extern char *nouveau_vbios;
868extern int nouveau_ignorelid;
869extern int nouveau_nofbaccel;
870extern int nouveau_noaccel;
871extern int nouveau_force_post;
872extern int nouveau_override_conntype;
873extern char *nouveau_perflvl;
874extern int nouveau_perflvl_wr;
875extern int nouveau_msi;
876extern int nouveau_ctxfw;
877extern int nouveau_mxmdcb;
878
879extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
880extern int nouveau_pci_resume(struct pci_dev *pdev);
881
882/* nouveau_state.c */
883extern int  nouveau_open(struct drm_device *, struct drm_file *);
884extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
885extern void nouveau_postclose(struct drm_device *, struct drm_file *);
886extern int  nouveau_load(struct drm_device *, unsigned long flags);
887extern int  nouveau_firstopen(struct drm_device *);
888extern void nouveau_lastclose(struct drm_device *);
889extern int  nouveau_unload(struct drm_device *);
890extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
891				   struct drm_file *);
892extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
893				   struct drm_file *);
894extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
895			    uint32_t reg, uint32_t mask, uint32_t val);
896extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
897			    uint32_t reg, uint32_t mask, uint32_t val);
898extern bool nouveau_wait_cb(struct drm_device *, u64 timeout,
899			    bool (*cond)(void *), void *);
900extern bool nouveau_wait_for_idle(struct drm_device *);
901extern int  nouveau_card_init(struct drm_device *);
902
903/* nouveau_mem.c */
904extern int  nouveau_mem_vram_init(struct drm_device *);
905extern void nouveau_mem_vram_fini(struct drm_device *);
906extern int  nouveau_mem_gart_init(struct drm_device *);
907extern void nouveau_mem_gart_fini(struct drm_device *);
908extern int  nouveau_mem_init_agp(struct drm_device *);
909extern int  nouveau_mem_reset_agp(struct drm_device *);
910extern void nouveau_mem_close(struct drm_device *);
911extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
912extern struct nouveau_tile_reg *nv10_mem_set_tiling(
913	struct drm_device *dev, uint32_t addr, uint32_t size,
914	uint32_t pitch, uint32_t flags);
915extern void nv10_mem_put_tile_region(struct drm_device *dev,
916				     struct nouveau_tile_reg *tile,
917				     struct nouveau_fence *fence);
918extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
919extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
920
921/* nouveau_notifier.c */
922extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
923extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
924extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
925				   int cout, uint32_t start, uint32_t end,
926				   uint32_t *offset);
927extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
928extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
929					 struct drm_file *);
930extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
931					struct drm_file *);
932
933/* nouveau_channel.c */
934extern struct drm_ioctl_desc nouveau_ioctls[];
935extern int nouveau_max_ioctl;
936extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
937extern int  nouveau_channel_alloc(struct drm_device *dev,
938				  struct nouveau_channel **chan,
939				  struct drm_file *file_priv,
940				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
941extern struct nouveau_channel *
942nouveau_channel_get_unlocked(struct nouveau_channel *);
943extern struct nouveau_channel *
944nouveau_channel_get(struct drm_file *, int id);
945extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
946extern void nouveau_channel_put(struct nouveau_channel **);
947extern void nouveau_channel_ref(struct nouveau_channel *chan,
948				struct nouveau_channel **pchan);
949extern void nouveau_channel_idle(struct nouveau_channel *chan);
950
951/* nouveau_object.c */
952#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
953	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
954	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
955} while (0)
956
957#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
958	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
959	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
960} while (0)
961
962#define NVOBJ_CLASS(d, c, e) do {                                              \
963	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
964	if (ret)                                                               \
965		return ret;                                                    \
966} while (0)
967
968#define NVOBJ_MTHD(d, c, m, e) do {                                            \
969	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
970	if (ret)                                                               \
971		return ret;                                                    \
972} while (0)
973
974extern int  nouveau_gpuobj_early_init(struct drm_device *);
975extern int  nouveau_gpuobj_init(struct drm_device *);
976extern void nouveau_gpuobj_takedown(struct drm_device *);
977extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
978extern void nouveau_gpuobj_resume(struct drm_device *dev);
979extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
980extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
981				    int (*exec)(struct nouveau_channel *,
982						u32 class, u32 mthd, u32 data));
983extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
984extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
985extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
986				       uint32_t vram_h, uint32_t tt_h);
987extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
988extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
989			      uint32_t size, int align, uint32_t flags,
990			      struct nouveau_gpuobj **);
991extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
992			       struct nouveau_gpuobj **);
993extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
994				   u32 size, u32 flags,
995				   struct nouveau_gpuobj **);
996extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
997				  uint64_t offset, uint64_t size, int access,
998				  int target, struct nouveau_gpuobj **);
999extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
1000extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
1001			       u64 size, int target, int access, u32 type,
1002			       u32 comp, struct nouveau_gpuobj **pobj);
1003extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
1004				 int class, u64 base, u64 size, int target,
1005				 int access, u32 type, u32 comp);
1006extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
1007				     struct drm_file *);
1008extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
1009				     struct drm_file *);
1010
1011/* nouveau_irq.c */
1012extern int         nouveau_irq_init(struct drm_device *);
1013extern void        nouveau_irq_fini(struct drm_device *);
1014extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
1015extern void        nouveau_irq_register(struct drm_device *, int status_bit,
1016					void (*)(struct drm_device *));
1017extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
1018extern void        nouveau_irq_preinstall(struct drm_device *);
1019extern int         nouveau_irq_postinstall(struct drm_device *);
1020extern void        nouveau_irq_uninstall(struct drm_device *);
1021
1022/* nouveau_sgdma.c */
1023extern int nouveau_sgdma_init(struct drm_device *);
1024extern void nouveau_sgdma_takedown(struct drm_device *);
1025extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
1026					   uint32_t offset);
1027extern struct ttm_tt *nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
1028					       unsigned long size,
1029					       uint32_t page_flags,
1030					       struct page *dummy_read_page);
1031
1032/* nouveau_debugfs.c */
1033#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
1034extern int  nouveau_debugfs_init(struct drm_minor *);
1035extern void nouveau_debugfs_takedown(struct drm_minor *);
1036extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
1037extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
1038#else
1039static inline int
1040nouveau_debugfs_init(struct drm_minor *minor)
1041{
1042	return 0;
1043}
1044
1045static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
1046{
1047}
1048
1049static inline int
1050nouveau_debugfs_channel_init(struct nouveau_channel *chan)
1051{
1052	return 0;
1053}
1054
1055static inline void
1056nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
1057{
1058}
1059#endif
1060
1061/* nouveau_dma.c */
1062extern void nouveau_dma_pre_init(struct nouveau_channel *);
1063extern int  nouveau_dma_init(struct nouveau_channel *);
1064extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
1065
1066/* nouveau_acpi.c */
1067#define ROM_BIOS_PAGE 4096
1068#if defined(CONFIG_ACPI)
1069void nouveau_register_dsm_handler(void);
1070void nouveau_unregister_dsm_handler(void);
1071void nouveau_switcheroo_optimus_dsm(void);
1072int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
1073bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
1074int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
1075#else
1076static inline void nouveau_register_dsm_handler(void) {}
1077static inline void nouveau_unregister_dsm_handler(void) {}
1078static inline void nouveau_switcheroo_optimus_dsm(void) {}
1079static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
1080static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
1081static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
1082#endif
1083
1084/* nouveau_backlight.c */
1085#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1086extern int nouveau_backlight_init(struct drm_device *);
1087extern void nouveau_backlight_exit(struct drm_device *);
1088#else
1089static inline int nouveau_backlight_init(struct drm_device *dev)
1090{
1091	return 0;
1092}
1093
1094static inline void nouveau_backlight_exit(struct drm_device *dev) { }
1095#endif
1096
1097/* nouveau_bios.c */
1098extern int nouveau_bios_init(struct drm_device *);
1099extern void nouveau_bios_takedown(struct drm_device *dev);
1100extern int nouveau_run_vbios_init(struct drm_device *);
1101extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1102					struct dcb_entry *, int crtc);
1103extern void nouveau_bios_init_exec(struct drm_device *, uint16_t table);
1104extern struct dcb_connector_table_entry *
1105nouveau_bios_connector_entry(struct drm_device *, int index);
1106extern u32 get_pll_register(struct drm_device *, enum pll_types);
1107extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1108			  struct pll_lims *);
1109extern int nouveau_bios_run_display_table(struct drm_device *, u16 id, int clk,
1110					  struct dcb_entry *, int crtc);
1111extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1112extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1113extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1114					 bool *dl, bool *if_is_24bit);
1115extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1116			  int head, int pxclk);
1117extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1118			    enum LVDS_script, int pxclk);
1119bool bios_encoder_match(struct dcb_entry *, u32 hash);
1120
1121/* nouveau_mxm.c */
1122int  nouveau_mxm_init(struct drm_device *dev);
1123void nouveau_mxm_fini(struct drm_device *dev);
1124
1125/* nouveau_ttm.c */
1126int nouveau_ttm_global_init(struct drm_nouveau_private *);
1127void nouveau_ttm_global_release(struct drm_nouveau_private *);
1128int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1129
1130/* nouveau_hdmi.c */
1131void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *);
1132
1133/* nouveau_dp.c */
1134int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1135		     uint8_t *data, int data_nr);
1136bool nouveau_dp_detect(struct drm_encoder *);
1137bool nouveau_dp_link_train(struct drm_encoder *, u32 datarate);
1138void nouveau_dp_tu_update(struct drm_device *, int, int, u32, u32);
1139u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **);
1140
1141/* nv04_fb.c */
1142extern int  nv04_fb_vram_init(struct drm_device *);
1143extern int  nv04_fb_init(struct drm_device *);
1144extern void nv04_fb_takedown(struct drm_device *);
1145
1146/* nv10_fb.c */
1147extern int  nv10_fb_vram_init(struct drm_device *dev);
1148extern int  nv1a_fb_vram_init(struct drm_device *dev);
1149extern int  nv10_fb_init(struct drm_device *);
1150extern void nv10_fb_takedown(struct drm_device *);
1151extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1152				     uint32_t addr, uint32_t size,
1153				     uint32_t pitch, uint32_t flags);
1154extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1155extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1156
1157/* nv20_fb.c */
1158extern int  nv20_fb_vram_init(struct drm_device *dev);
1159extern int  nv20_fb_init(struct drm_device *);
1160extern void nv20_fb_takedown(struct drm_device *);
1161extern void nv20_fb_init_tile_region(struct drm_device *dev, int i,
1162				     uint32_t addr, uint32_t size,
1163				     uint32_t pitch, uint32_t flags);
1164extern void nv20_fb_set_tile_region(struct drm_device *dev, int i);
1165extern void nv20_fb_free_tile_region(struct drm_device *dev, int i);
1166
1167/* nv30_fb.c */
1168extern int  nv30_fb_init(struct drm_device *);
1169extern void nv30_fb_takedown(struct drm_device *);
1170extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1171				     uint32_t addr, uint32_t size,
1172				     uint32_t pitch, uint32_t flags);
1173extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1174
1175/* nv40_fb.c */
1176extern int  nv40_fb_init(struct drm_device *);
1177extern void nv40_fb_takedown(struct drm_device *);
1178extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1179
1180/* nv50_fb.c */
1181extern int  nv50_fb_init(struct drm_device *);
1182extern void nv50_fb_takedown(struct drm_device *);
1183extern void nv50_fb_vm_trap(struct drm_device *, int display);
1184
1185/* nvc0_fb.c */
1186extern int  nvc0_fb_init(struct drm_device *);
1187extern void nvc0_fb_takedown(struct drm_device *);
1188
1189/* nv04_fifo.c */
1190extern int  nv04_fifo_init(struct drm_device *);
1191extern void nv04_fifo_fini(struct drm_device *);
1192extern void nv04_fifo_disable(struct drm_device *);
1193extern void nv04_fifo_enable(struct drm_device *);
1194extern bool nv04_fifo_reassign(struct drm_device *, bool);
1195extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1196extern int  nv04_fifo_channel_id(struct drm_device *);
1197extern int  nv04_fifo_create_context(struct nouveau_channel *);
1198extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1199extern int  nv04_fifo_load_context(struct nouveau_channel *);
1200extern int  nv04_fifo_unload_context(struct drm_device *);
1201extern void nv04_fifo_isr(struct drm_device *);
1202
1203/* nv10_fifo.c */
1204extern int  nv10_fifo_init(struct drm_device *);
1205extern int  nv10_fifo_channel_id(struct drm_device *);
1206extern int  nv10_fifo_create_context(struct nouveau_channel *);
1207extern int  nv10_fifo_load_context(struct nouveau_channel *);
1208extern int  nv10_fifo_unload_context(struct drm_device *);
1209
1210/* nv40_fifo.c */
1211extern int  nv40_fifo_init(struct drm_device *);
1212extern int  nv40_fifo_create_context(struct nouveau_channel *);
1213extern int  nv40_fifo_load_context(struct nouveau_channel *);
1214extern int  nv40_fifo_unload_context(struct drm_device *);
1215
1216/* nv50_fifo.c */
1217extern int  nv50_fifo_init(struct drm_device *);
1218extern void nv50_fifo_takedown(struct drm_device *);
1219extern int  nv50_fifo_channel_id(struct drm_device *);
1220extern int  nv50_fifo_create_context(struct nouveau_channel *);
1221extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1222extern int  nv50_fifo_load_context(struct nouveau_channel *);
1223extern int  nv50_fifo_unload_context(struct drm_device *);
1224extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1225
1226/* nvc0_fifo.c */
1227extern int  nvc0_fifo_init(struct drm_device *);
1228extern void nvc0_fifo_takedown(struct drm_device *);
1229extern void nvc0_fifo_disable(struct drm_device *);
1230extern void nvc0_fifo_enable(struct drm_device *);
1231extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1232extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1233extern int  nvc0_fifo_channel_id(struct drm_device *);
1234extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1235extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1236extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1237extern int  nvc0_fifo_unload_context(struct drm_device *);
1238
1239/* nv04_graph.c */
1240extern int  nv04_graph_create(struct drm_device *);
1241extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1242extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1243				      u32 class, u32 mthd, u32 data);
1244extern struct nouveau_bitfield nv04_graph_nsource[];
1245
1246/* nv10_graph.c */
1247extern int  nv10_graph_create(struct drm_device *);
1248extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1249extern struct nouveau_bitfield nv10_graph_intr[];
1250extern struct nouveau_bitfield nv10_graph_nstatus[];
1251
1252/* nv20_graph.c */
1253extern int  nv20_graph_create(struct drm_device *);
1254
1255/* nv40_graph.c */
1256extern int  nv40_graph_create(struct drm_device *);
1257extern void nv40_grctx_init(struct nouveau_grctx *);
1258
1259/* nv50_graph.c */
1260extern int  nv50_graph_create(struct drm_device *);
1261extern int  nv50_grctx_init(struct nouveau_grctx *);
1262extern struct nouveau_enum nv50_data_error_names[];
1263extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1264
1265/* nvc0_graph.c */
1266extern int  nvc0_graph_create(struct drm_device *);
1267extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1268
1269/* nv84_crypt.c */
1270extern int  nv84_crypt_create(struct drm_device *);
1271
1272/* nv98_crypt.c */
1273extern int  nv98_crypt_create(struct drm_device *dev);
1274
1275/* nva3_copy.c */
1276extern int  nva3_copy_create(struct drm_device *dev);
1277
1278/* nvc0_copy.c */
1279extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1280
1281/* nv31_mpeg.c */
1282extern int  nv31_mpeg_create(struct drm_device *dev);
1283
1284/* nv50_mpeg.c */
1285extern int  nv50_mpeg_create(struct drm_device *dev);
1286
1287/* nv84_bsp.c */
1288/* nv98_bsp.c */
1289extern int  nv84_bsp_create(struct drm_device *dev);
1290
1291/* nv84_vp.c */
1292/* nv98_vp.c */
1293extern int  nv84_vp_create(struct drm_device *dev);
1294
1295/* nv98_ppp.c */
1296extern int  nv98_ppp_create(struct drm_device *dev);
1297
1298/* nv04_instmem.c */
1299extern int  nv04_instmem_init(struct drm_device *);
1300extern void nv04_instmem_takedown(struct drm_device *);
1301extern int  nv04_instmem_suspend(struct drm_device *);
1302extern void nv04_instmem_resume(struct drm_device *);
1303extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1304			     u32 size, u32 align);
1305extern void nv04_instmem_put(struct nouveau_gpuobj *);
1306extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1307extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1308extern void nv04_instmem_flush(struct drm_device *);
1309
1310/* nv50_instmem.c */
1311extern int  nv50_instmem_init(struct drm_device *);
1312extern void nv50_instmem_takedown(struct drm_device *);
1313extern int  nv50_instmem_suspend(struct drm_device *);
1314extern void nv50_instmem_resume(struct drm_device *);
1315extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1316			     u32 size, u32 align);
1317extern void nv50_instmem_put(struct nouveau_gpuobj *);
1318extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1319extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1320extern void nv50_instmem_flush(struct drm_device *);
1321extern void nv84_instmem_flush(struct drm_device *);
1322
1323/* nvc0_instmem.c */
1324extern int  nvc0_instmem_init(struct drm_device *);
1325extern void nvc0_instmem_takedown(struct drm_device *);
1326extern int  nvc0_instmem_suspend(struct drm_device *);
1327extern void nvc0_instmem_resume(struct drm_device *);
1328
1329/* nv04_mc.c */
1330extern int  nv04_mc_init(struct drm_device *);
1331extern void nv04_mc_takedown(struct drm_device *);
1332
1333/* nv40_mc.c */
1334extern int  nv40_mc_init(struct drm_device *);
1335extern void nv40_mc_takedown(struct drm_device *);
1336
1337/* nv50_mc.c */
1338extern int  nv50_mc_init(struct drm_device *);
1339extern void nv50_mc_takedown(struct drm_device *);
1340
1341/* nv04_timer.c */
1342extern int  nv04_timer_init(struct drm_device *);
1343extern uint64_t nv04_timer_read(struct drm_device *);
1344extern void nv04_timer_takedown(struct drm_device *);
1345
1346extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1347				 unsigned long arg);
1348
1349/* nv04_dac.c */
1350extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1351extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1352extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1353extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1354extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1355
1356/* nv04_dfp.c */
1357extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1358extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1359extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1360			       int head, bool dl);
1361extern void nv04_dfp_disable(struct drm_device *dev, int head);
1362extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1363
1364/* nv04_tv.c */
1365extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1366extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1367
1368/* nv17_tv.c */
1369extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1370
1371/* nv04_display.c */
1372extern int nv04_display_early_init(struct drm_device *);
1373extern void nv04_display_late_takedown(struct drm_device *);
1374extern int nv04_display_create(struct drm_device *);
1375extern void nv04_display_destroy(struct drm_device *);
1376extern int nv04_display_init(struct drm_device *);
1377extern void nv04_display_fini(struct drm_device *);
1378
1379/* nvd0_display.c */
1380extern int nvd0_display_create(struct drm_device *);
1381extern void nvd0_display_destroy(struct drm_device *);
1382extern int nvd0_display_init(struct drm_device *);
1383extern void nvd0_display_fini(struct drm_device *);
1384struct nouveau_bo *nvd0_display_crtc_sema(struct drm_device *, int crtc);
1385void nvd0_display_flip_stop(struct drm_crtc *);
1386int nvd0_display_flip_next(struct drm_crtc *, struct drm_framebuffer *,
1387			   struct nouveau_channel *, u32 swap_interval);
1388
1389/* nv04_crtc.c */
1390extern int nv04_crtc_create(struct drm_device *, int index);
1391
1392/* nouveau_bo.c */
1393extern struct ttm_bo_driver nouveau_bo_driver;
1394extern int nouveau_bo_new(struct drm_device *, int size, int align,
1395			  uint32_t flags, uint32_t tile_mode,
1396			  uint32_t tile_flags, struct nouveau_bo **);
1397extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1398extern int nouveau_bo_unpin(struct nouveau_bo *);
1399extern int nouveau_bo_map(struct nouveau_bo *);
1400extern void nouveau_bo_unmap(struct nouveau_bo *);
1401extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1402				     uint32_t busy);
1403extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1404extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1405extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1406extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1407extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1408extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1409			       bool no_wait_reserve, bool no_wait_gpu);
1410
1411extern struct nouveau_vma *
1412nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
1413extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
1414			       struct nouveau_vma *);
1415extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
1416
1417/* nouveau_fence.c */
1418struct nouveau_fence;
1419extern int nouveau_fence_init(struct drm_device *);
1420extern void nouveau_fence_fini(struct drm_device *);
1421extern int nouveau_fence_channel_init(struct nouveau_channel *);
1422extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1423extern void nouveau_fence_update(struct nouveau_channel *);
1424extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1425			     bool emit);
1426extern int nouveau_fence_emit(struct nouveau_fence *);
1427extern void nouveau_fence_work(struct nouveau_fence *fence,
1428			       void (*work)(void *priv, bool signalled),
1429			       void *priv);
1430struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1431
1432extern bool __nouveau_fence_signalled(void *obj, void *arg);
1433extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1434extern int __nouveau_fence_flush(void *obj, void *arg);
1435extern void __nouveau_fence_unref(void **obj);
1436extern void *__nouveau_fence_ref(void *obj);
1437
1438static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1439{
1440	return __nouveau_fence_signalled(obj, NULL);
1441}
1442static inline int
1443nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1444{
1445	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1446}
1447extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1448static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1449{
1450	return __nouveau_fence_flush(obj, NULL);
1451}
1452static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1453{
1454	__nouveau_fence_unref((void **)obj);
1455}
1456static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1457{
1458	return __nouveau_fence_ref(obj);
1459}
1460
1461/* nouveau_gem.c */
1462extern int nouveau_gem_new(struct drm_device *, int size, int align,
1463			   uint32_t domain, uint32_t tile_mode,
1464			   uint32_t tile_flags, struct nouveau_bo **);
1465extern int nouveau_gem_object_new(struct drm_gem_object *);
1466extern void nouveau_gem_object_del(struct drm_gem_object *);
1467extern int nouveau_gem_object_open(struct drm_gem_object *, struct drm_file *);
1468extern void nouveau_gem_object_close(struct drm_gem_object *,
1469				     struct drm_file *);
1470extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1471				 struct drm_file *);
1472extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1473				     struct drm_file *);
1474extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1475				      struct drm_file *);
1476extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1477				      struct drm_file *);
1478extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1479				  struct drm_file *);
1480
1481/* nouveau_display.c */
1482int nouveau_display_create(struct drm_device *dev);
1483void nouveau_display_destroy(struct drm_device *dev);
1484int nouveau_display_init(struct drm_device *dev);
1485void nouveau_display_fini(struct drm_device *dev);
1486int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1487void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1488int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1489			   struct drm_pending_vblank_event *event);
1490int nouveau_finish_page_flip(struct nouveau_channel *,
1491			     struct nouveau_page_flip_state *);
1492int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
1493				struct drm_mode_create_dumb *args);
1494int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
1495				    uint32_t handle, uint64_t *offset);
1496int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
1497				 uint32_t handle);
1498
1499/* nv10_gpio.c */
1500int nv10_gpio_init(struct drm_device *dev);
1501void nv10_gpio_fini(struct drm_device *dev);
1502int nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out);
1503int nv10_gpio_sense(struct drm_device *dev, int line);
1504void nv10_gpio_irq_enable(struct drm_device *, int line, bool on);
1505
1506/* nv50_gpio.c */
1507int nv50_gpio_init(struct drm_device *dev);
1508void nv50_gpio_fini(struct drm_device *dev);
1509int nv50_gpio_drive(struct drm_device *dev, int line, int dir, int out);
1510int nv50_gpio_sense(struct drm_device *dev, int line);
1511void nv50_gpio_irq_enable(struct drm_device *, int line, bool on);
1512int nvd0_gpio_drive(struct drm_device *dev, int line, int dir, int out);
1513int nvd0_gpio_sense(struct drm_device *dev, int line);
1514
1515/* nv50_calc.c */
1516int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1517		  int *N1, int *M1, int *N2, int *M2, int *P);
1518int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1519		  int clk, int *N, int *fN, int *M, int *P);
1520
1521#ifndef ioread32_native
1522#ifdef __BIG_ENDIAN
1523#define ioread16_native ioread16be
1524#define iowrite16_native iowrite16be
1525#define ioread32_native  ioread32be
1526#define iowrite32_native iowrite32be
1527#else /* def __BIG_ENDIAN */
1528#define ioread16_native ioread16
1529#define iowrite16_native iowrite16
1530#define ioread32_native  ioread32
1531#define iowrite32_native iowrite32
1532#endif /* def __BIG_ENDIAN else */
1533#endif /* !ioread32_native */
1534
1535/* channel control reg access */
1536static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1537{
1538	return ioread32_native(chan->user + reg);
1539}
1540
1541static inline void nvchan_wr32(struct nouveau_channel *chan,
1542							unsigned reg, u32 val)
1543{
1544	iowrite32_native(val, chan->user + reg);
1545}
1546
1547/* register access */
1548static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1549{
1550	struct drm_nouveau_private *dev_priv = dev->dev_private;
1551	return ioread32_native(dev_priv->mmio + reg);
1552}
1553
1554static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1555{
1556	struct drm_nouveau_private *dev_priv = dev->dev_private;
1557	iowrite32_native(val, dev_priv->mmio + reg);
1558}
1559
1560static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1561{
1562	u32 tmp = nv_rd32(dev, reg);
1563	nv_wr32(dev, reg, (tmp & ~mask) | val);
1564	return tmp;
1565}
1566
1567static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1568{
1569	struct drm_nouveau_private *dev_priv = dev->dev_private;
1570	return ioread8(dev_priv->mmio + reg);
1571}
1572
1573static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1574{
1575	struct drm_nouveau_private *dev_priv = dev->dev_private;
1576	iowrite8(val, dev_priv->mmio + reg);
1577}
1578
1579#define nv_wait(dev, reg, mask, val) \
1580	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1581#define nv_wait_ne(dev, reg, mask, val) \
1582	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1583#define nv_wait_cb(dev, func, data) \
1584	nouveau_wait_cb(dev, 2000000000ULL, (func), (data))
1585
1586/* PRAMIN access */
1587static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1588{
1589	struct drm_nouveau_private *dev_priv = dev->dev_private;
1590	return ioread32_native(dev_priv->ramin + offset);
1591}
1592
1593static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1594{
1595	struct drm_nouveau_private *dev_priv = dev->dev_private;
1596	iowrite32_native(val, dev_priv->ramin + offset);
1597}
1598
1599/* object access */
1600extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1601extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1602
1603/*
1604 * Logging
1605 * Argument d is (struct drm_device *).
1606 */
1607#define NV_PRINTK(level, d, fmt, arg...) \
1608	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1609					pci_name(d->pdev), ##arg)
1610#ifndef NV_DEBUG_NOTRACE
1611#define NV_DEBUG(d, fmt, arg...) do {                                          \
1612	if (drm_debug & DRM_UT_DRIVER) {                                       \
1613		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1614			  __LINE__, ##arg);                                    \
1615	}                                                                      \
1616} while (0)
1617#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1618	if (drm_debug & DRM_UT_KMS) {                                          \
1619		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1620			  __LINE__, ##arg);                                    \
1621	}                                                                      \
1622} while (0)
1623#else
1624#define NV_DEBUG(d, fmt, arg...) do {                                          \
1625	if (drm_debug & DRM_UT_DRIVER)                                         \
1626		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1627} while (0)
1628#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1629	if (drm_debug & DRM_UT_KMS)                                            \
1630		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1631} while (0)
1632#endif
1633#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1634#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1635#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1636#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1637#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1638#define NV_WARNONCE(d, fmt, arg...) do {                                       \
1639	static int _warned = 0;                                                \
1640	if (!_warned) {                                                        \
1641		NV_WARN(d, fmt, ##arg);                                        \
1642		_warned = 1;                                                   \
1643	}                                                                      \
1644} while(0)
1645
1646/* nouveau_reg_debug bitmask */
1647enum {
1648	NOUVEAU_REG_DEBUG_MC             = 0x1,
1649	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1650	NOUVEAU_REG_DEBUG_FB             = 0x4,
1651	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1652	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1653	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1654	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1655	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1656	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1657	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1658	NOUVEAU_REG_DEBUG_AUXCH          = 0x400
1659};
1660
1661#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1662	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1663		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1664} while (0)
1665
1666static inline bool
1667nv_two_heads(struct drm_device *dev)
1668{
1669	struct drm_nouveau_private *dev_priv = dev->dev_private;
1670	const int impl = dev->pci_device & 0x0ff0;
1671
1672	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1673	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1674		return true;
1675
1676	return false;
1677}
1678
1679static inline bool
1680nv_gf4_disp_arch(struct drm_device *dev)
1681{
1682	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1683}
1684
1685static inline bool
1686nv_two_reg_pll(struct drm_device *dev)
1687{
1688	struct drm_nouveau_private *dev_priv = dev->dev_private;
1689	const int impl = dev->pci_device & 0x0ff0;
1690
1691	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1692		return true;
1693	return false;
1694}
1695
1696static inline bool
1697nv_match_device(struct drm_device *dev, unsigned device,
1698		unsigned sub_vendor, unsigned sub_device)
1699{
1700	return dev->pdev->device == device &&
1701		dev->pdev->subsystem_vendor == sub_vendor &&
1702		dev->pdev->subsystem_device == sub_device;
1703}
1704
1705static inline void *
1706nv_engine(struct drm_device *dev, int engine)
1707{
1708	struct drm_nouveau_private *dev_priv = dev->dev_private;
1709	return (void *)dev_priv->eng[engine];
1710}
1711
1712/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1713 * helpful to determine a number of other hardware features
1714 */
1715static inline int
1716nv44_graph_class(struct drm_device *dev)
1717{
1718	struct drm_nouveau_private *dev_priv = dev->dev_private;
1719
1720	if ((dev_priv->chipset & 0xf0) == 0x60)
1721		return 1;
1722
1723	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1724}
1725
1726/* memory type/access flags, do not match hardware values */
1727#define NV_MEM_ACCESS_RO  1
1728#define NV_MEM_ACCESS_WO  2
1729#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1730#define NV_MEM_ACCESS_SYS 4
1731#define NV_MEM_ACCESS_VM  8
1732
1733#define NV_MEM_TARGET_VRAM        0
1734#define NV_MEM_TARGET_PCI         1
1735#define NV_MEM_TARGET_PCI_NOSNOOP 2
1736#define NV_MEM_TARGET_VM          3
1737#define NV_MEM_TARGET_GART        4
1738
1739#define NV_MEM_TYPE_VM 0x7f
1740#define NV_MEM_COMP_VM 0x03
1741
1742/* NV_SW object class */
1743#define NV_SW                                                        0x0000506e
1744#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1745#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1746#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1747#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1748#define NV_SW_YIELD                                                  0x00000080
1749#define NV_SW_DMA_VBLSEM                                             0x0000018c
1750#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1751#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1752#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1753#define NV_SW_PAGE_FLIP                                              0x00000500
1754
1755#endif /* __NOUVEAU_DRV_H__ */
1756