nouveau_drv.h revision 8d7bb400638906075c38cb07891993cf95076aa7
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
435/* Exclusive upper limits */
436#define NV_MEM_CL_DDR2_MAX 8
437#define NV_MEM_WR_DDR2_MAX 9
438#define NV_MEM_CL_DDR3_MAX 17
439#define NV_MEM_WR_DDR3_MAX 17
440#define NV_MEM_CL_GDDR3_MAX 16
441#define NV_MEM_WR_GDDR3_MAX 18
442#define NV_MEM_CL_GDDR5_MAX 21
443#define NV_MEM_WR_GDDR5_MAX 20
444
445struct nouveau_pm_memtiming {
446	int id;
447
448	u32 reg[9];
449	u32 mr[4];
450
451	u8 tCWL;
452
453	u8 odt;
454	u8 drive_strength;
455};
456
457struct nouveau_pm_tbl_header {
458	u8 version;
459	u8 header_len;
460	u8 entry_cnt;
461	u8 entry_len;
462};
463
464struct nouveau_pm_tbl_entry {
465	u8 tWR;
466	u8 tWTR;
467	u8 tCL;
468	u8 tRC;
469	u8 empty_4;
470	u8 tRFC;	/* Byte 5 */
471	u8 empty_6;
472	u8 tRAS;	/* Byte 7 */
473	u8 empty_8;
474	u8 tRP;		/* Byte 9 */
475	u8 tRCDRD;
476	u8 tRCDWR;
477	u8 tRRD;
478	u8 tUNK_13;
479	u8 RAM_FT1;		/* 14, a bitmask of random RAM features */
480	u8 empty_15;
481	u8 tUNK_16;
482	u8 empty_17;
483	u8 tUNK_18;
484	u8 tCWL;
485	u8 tUNK_20, tUNK_21;
486};
487
488struct nouveau_pm_profile;
489struct nouveau_pm_profile_func {
490	struct nouveau_pm_level *(*select)(struct nouveau_pm_profile *);
491};
492
493struct nouveau_pm_profile {
494	const struct nouveau_pm_profile_func *func;
495	struct list_head head;
496	char name[8];
497};
498
499#define NOUVEAU_PM_MAX_LEVEL 8
500struct nouveau_pm_level {
501	struct nouveau_pm_profile profile;
502	struct device_attribute dev_attr;
503	char name[32];
504	int id;
505
506	struct nouveau_pm_memtiming timing;
507	u32 memory;
508	u16 memscript;
509
510	u32 core;
511	u32 shader;
512	u32 rop;
513	u32 copy;
514	u32 daemon;
515	u32 vdec;
516	u32 dom6;
517	u32 unka0;	/* nva3:nvc0 */
518	u32 hub01;	/* nvc0- */
519	u32 hub06;	/* nvc0- */
520	u32 hub07;	/* nvc0- */
521
522	u32 volt_min; /* microvolts */
523	u32 volt_max;
524	u8  fanspeed;
525};
526
527struct nouveau_pm_temp_sensor_constants {
528	u16 offset_constant;
529	s16 offset_mult;
530	s16 offset_div;
531	s16 slope_mult;
532	s16 slope_div;
533};
534
535struct nouveau_pm_threshold_temp {
536	s16 critical;
537	s16 down_clock;
538	s16 fan_boost;
539};
540
541struct nouveau_pm_fan {
542	u32 percent;
543	u32 min_duty;
544	u32 max_duty;
545	u32 pwm_freq;
546	u32 pwm_divisor;
547};
548
549struct nouveau_pm_engine {
550	struct nouveau_pm_voltage voltage;
551	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
552	int nr_perflvl;
553	struct nouveau_pm_temp_sensor_constants sensor_constants;
554	struct nouveau_pm_threshold_temp threshold_temp;
555	struct nouveau_pm_fan fan;
556
557	struct nouveau_pm_profile *profile_ac;
558	struct nouveau_pm_profile *profile_dc;
559	struct list_head profiles;
560
561	struct nouveau_pm_level boot;
562	struct nouveau_pm_level *cur;
563
564	struct device *hwmon;
565	struct notifier_block acpi_nb;
566
567	int  (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
568	void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
569	int (*clocks_set)(struct drm_device *, void *);
570
571	int (*voltage_get)(struct drm_device *);
572	int (*voltage_set)(struct drm_device *, int voltage);
573	int (*pwm_get)(struct drm_device *, int line, u32*, u32*);
574	int (*pwm_set)(struct drm_device *, int line, u32, u32);
575	int (*temp_get)(struct drm_device *);
576};
577
578struct nouveau_vram_engine {
579	struct nouveau_mm mm;
580
581	int  (*init)(struct drm_device *);
582	void (*takedown)(struct drm_device *dev);
583	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
584		    u32 type, struct nouveau_mem **);
585	void (*put)(struct drm_device *, struct nouveau_mem **);
586
587	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
588};
589
590struct nouveau_engine {
591	struct nouveau_instmem_engine instmem;
592	struct nouveau_mc_engine      mc;
593	struct nouveau_timer_engine   timer;
594	struct nouveau_fb_engine      fb;
595	struct nouveau_fifo_engine    fifo;
596	struct nouveau_display_engine display;
597	struct nouveau_gpio_engine    gpio;
598	struct nouveau_pm_engine      pm;
599	struct nouveau_vram_engine    vram;
600};
601
602struct nouveau_pll_vals {
603	union {
604		struct {
605#ifdef __BIG_ENDIAN
606			uint8_t N1, M1, N2, M2;
607#else
608			uint8_t M1, N1, M2, N2;
609#endif
610		};
611		struct {
612			uint16_t NM1, NM2;
613		} __attribute__((packed));
614	};
615	int log2P;
616
617	int refclk;
618};
619
620enum nv04_fp_display_regs {
621	FP_DISPLAY_END,
622	FP_TOTAL,
623	FP_CRTC,
624	FP_SYNC_START,
625	FP_SYNC_END,
626	FP_VALID_START,
627	FP_VALID_END
628};
629
630struct nv04_crtc_reg {
631	unsigned char MiscOutReg;
632	uint8_t CRTC[0xa0];
633	uint8_t CR58[0x10];
634	uint8_t Sequencer[5];
635	uint8_t Graphics[9];
636	uint8_t Attribute[21];
637	unsigned char DAC[768];
638
639	/* PCRTC regs */
640	uint32_t fb_start;
641	uint32_t crtc_cfg;
642	uint32_t cursor_cfg;
643	uint32_t gpio_ext;
644	uint32_t crtc_830;
645	uint32_t crtc_834;
646	uint32_t crtc_850;
647	uint32_t crtc_eng_ctrl;
648
649	/* PRAMDAC regs */
650	uint32_t nv10_cursync;
651	struct nouveau_pll_vals pllvals;
652	uint32_t ramdac_gen_ctrl;
653	uint32_t ramdac_630;
654	uint32_t ramdac_634;
655	uint32_t tv_setup;
656	uint32_t tv_vtotal;
657	uint32_t tv_vskew;
658	uint32_t tv_vsync_delay;
659	uint32_t tv_htotal;
660	uint32_t tv_hskew;
661	uint32_t tv_hsync_delay;
662	uint32_t tv_hsync_delay2;
663	uint32_t fp_horiz_regs[7];
664	uint32_t fp_vert_regs[7];
665	uint32_t dither;
666	uint32_t fp_control;
667	uint32_t dither_regs[6];
668	uint32_t fp_debug_0;
669	uint32_t fp_debug_1;
670	uint32_t fp_debug_2;
671	uint32_t fp_margin_color;
672	uint32_t ramdac_8c0;
673	uint32_t ramdac_a20;
674	uint32_t ramdac_a24;
675	uint32_t ramdac_a34;
676	uint32_t ctv_regs[38];
677};
678
679struct nv04_output_reg {
680	uint32_t output;
681	int head;
682};
683
684struct nv04_mode_state {
685	struct nv04_crtc_reg crtc_reg[2];
686	uint32_t pllsel;
687	uint32_t sel_clk;
688};
689
690enum nouveau_card_type {
691	NV_04      = 0x00,
692	NV_10      = 0x10,
693	NV_20      = 0x20,
694	NV_30      = 0x30,
695	NV_40      = 0x40,
696	NV_50      = 0x50,
697	NV_C0      = 0xc0,
698	NV_D0      = 0xd0
699};
700
701struct drm_nouveau_private {
702	struct drm_device *dev;
703	bool noaccel;
704
705	/* the card type, takes NV_* as values */
706	enum nouveau_card_type card_type;
707	/* exact chipset, derived from NV_PMC_BOOT_0 */
708	int chipset;
709	int flags;
710	u32 crystal;
711
712	void __iomem *mmio;
713
714	spinlock_t ramin_lock;
715	void __iomem *ramin;
716	u32 ramin_size;
717	u32 ramin_base;
718	bool ramin_available;
719	struct drm_mm ramin_heap;
720	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
721	struct list_head gpuobj_list;
722	struct list_head classes;
723
724	struct nouveau_bo *vga_ram;
725
726	/* interrupt handling */
727	void (*irq_handler[32])(struct drm_device *);
728	bool msi_enabled;
729
730	struct list_head vbl_waiting;
731
732	struct {
733		struct drm_global_reference mem_global_ref;
734		struct ttm_bo_global_ref bo_global_ref;
735		struct ttm_bo_device bdev;
736		atomic_t validate_sequence;
737	} ttm;
738
739	struct {
740		spinlock_t lock;
741		struct drm_mm heap;
742		struct nouveau_bo *bo;
743	} fence;
744
745	struct {
746		spinlock_t lock;
747		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
748	} channels;
749
750	struct nouveau_engine engine;
751	struct nouveau_channel *channel;
752
753	/* For PFIFO and PGRAPH. */
754	spinlock_t context_switch_lock;
755
756	/* VM/PRAMIN flush, legacy PRAMIN aperture */
757	spinlock_t vm_lock;
758
759	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
760	struct nouveau_ramht  *ramht;
761	struct nouveau_gpuobj *ramfc;
762	struct nouveau_gpuobj *ramro;
763
764	uint32_t ramin_rsvd_vram;
765
766	struct {
767		enum {
768			NOUVEAU_GART_NONE = 0,
769			NOUVEAU_GART_AGP,	/* AGP */
770			NOUVEAU_GART_PDMA,	/* paged dma object */
771			NOUVEAU_GART_HW		/* on-chip gart/vm */
772		} type;
773		uint64_t aper_base;
774		uint64_t aper_size;
775		uint64_t aper_free;
776
777		struct ttm_backend_func *func;
778
779		struct {
780			struct page *page;
781			dma_addr_t   addr;
782		} dummy;
783
784		struct nouveau_gpuobj *sg_ctxdma;
785	} gart_info;
786
787	/* nv10-nv40 tiling regions */
788	struct {
789		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
790		spinlock_t lock;
791	} tile;
792
793	/* VRAM/fb configuration */
794	enum {
795		NV_MEM_TYPE_UNKNOWN = 0,
796		NV_MEM_TYPE_STOLEN,
797		NV_MEM_TYPE_SGRAM,
798		NV_MEM_TYPE_SDRAM,
799		NV_MEM_TYPE_DDR1,
800		NV_MEM_TYPE_DDR2,
801		NV_MEM_TYPE_DDR3,
802		NV_MEM_TYPE_GDDR2,
803		NV_MEM_TYPE_GDDR3,
804		NV_MEM_TYPE_GDDR4,
805		NV_MEM_TYPE_GDDR5
806	} vram_type;
807	uint64_t vram_size;
808	uint64_t vram_sys_base;
809	bool vram_rank_B;
810
811	uint64_t fb_available_size;
812	uint64_t fb_mappable_pages;
813	uint64_t fb_aper_free;
814	int fb_mtrr;
815
816	/* BAR control (NV50-) */
817	struct nouveau_vm *bar1_vm;
818	struct nouveau_vm *bar3_vm;
819
820	/* G8x/G9x virtual address space */
821	struct nouveau_vm *chan_vm;
822
823	struct nvbios vbios;
824	u8 *mxms;
825	struct list_head i2c_ports;
826
827	struct nv04_mode_state mode_reg;
828	struct nv04_mode_state saved_reg;
829	uint32_t saved_vga_font[4][16384];
830	uint32_t crtc_owner;
831	uint32_t dac_users[4];
832
833	struct backlight_device *backlight;
834
835	struct {
836		struct dentry *channel_root;
837	} debugfs;
838
839	struct nouveau_fbdev *nfbdev;
840	struct apertures_struct *apertures;
841};
842
843static inline struct drm_nouveau_private *
844nouveau_private(struct drm_device *dev)
845{
846	return dev->dev_private;
847}
848
849static inline struct drm_nouveau_private *
850nouveau_bdev(struct ttm_bo_device *bd)
851{
852	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
853}
854
855static inline int
856nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
857{
858	struct nouveau_bo *prev;
859
860	if (!pnvbo)
861		return -EINVAL;
862	prev = *pnvbo;
863
864	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
865	if (prev) {
866		struct ttm_buffer_object *bo = &prev->bo;
867
868		ttm_bo_unref(&bo);
869	}
870
871	return 0;
872}
873
874/* nouveau_drv.c */
875extern int nouveau_modeset;
876extern int nouveau_agpmode;
877extern int nouveau_duallink;
878extern int nouveau_uscript_lvds;
879extern int nouveau_uscript_tmds;
880extern int nouveau_vram_pushbuf;
881extern int nouveau_vram_notify;
882extern char *nouveau_vram_type;
883extern int nouveau_fbpercrtc;
884extern int nouveau_tv_disable;
885extern char *nouveau_tv_norm;
886extern int nouveau_reg_debug;
887extern char *nouveau_vbios;
888extern int nouveau_ignorelid;
889extern int nouveau_nofbaccel;
890extern int nouveau_noaccel;
891extern int nouveau_force_post;
892extern int nouveau_override_conntype;
893extern char *nouveau_perflvl;
894extern int nouveau_perflvl_wr;
895extern int nouveau_msi;
896extern int nouveau_ctxfw;
897extern int nouveau_mxmdcb;
898
899extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
900extern int nouveau_pci_resume(struct pci_dev *pdev);
901
902/* nouveau_state.c */
903extern int  nouveau_open(struct drm_device *, struct drm_file *);
904extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
905extern void nouveau_postclose(struct drm_device *, struct drm_file *);
906extern int  nouveau_load(struct drm_device *, unsigned long flags);
907extern int  nouveau_firstopen(struct drm_device *);
908extern void nouveau_lastclose(struct drm_device *);
909extern int  nouveau_unload(struct drm_device *);
910extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
911				   struct drm_file *);
912extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
913				   struct drm_file *);
914extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
915			    uint32_t reg, uint32_t mask, uint32_t val);
916extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
917			    uint32_t reg, uint32_t mask, uint32_t val);
918extern bool nouveau_wait_cb(struct drm_device *, u64 timeout,
919			    bool (*cond)(void *), void *);
920extern bool nouveau_wait_for_idle(struct drm_device *);
921extern int  nouveau_card_init(struct drm_device *);
922
923/* nouveau_mem.c */
924extern int  nouveau_mem_vram_init(struct drm_device *);
925extern void nouveau_mem_vram_fini(struct drm_device *);
926extern int  nouveau_mem_gart_init(struct drm_device *);
927extern void nouveau_mem_gart_fini(struct drm_device *);
928extern int  nouveau_mem_init_agp(struct drm_device *);
929extern int  nouveau_mem_reset_agp(struct drm_device *);
930extern void nouveau_mem_close(struct drm_device *);
931extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
932extern int  nouveau_mem_timing_calc(struct drm_device *, u32 freq,
933				    struct nouveau_pm_memtiming *);
934extern void nouveau_mem_timing_read(struct drm_device *,
935				    struct nouveau_pm_memtiming *);
936extern int nouveau_mem_vbios_type(struct drm_device *);
937extern struct nouveau_tile_reg *nv10_mem_set_tiling(
938	struct drm_device *dev, uint32_t addr, uint32_t size,
939	uint32_t pitch, uint32_t flags);
940extern void nv10_mem_put_tile_region(struct drm_device *dev,
941				     struct nouveau_tile_reg *tile,
942				     struct nouveau_fence *fence);
943extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
944extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
945
946/* nouveau_notifier.c */
947extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
948extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
949extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
950				   int cout, uint32_t start, uint32_t end,
951				   uint32_t *offset);
952extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
953extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
954					 struct drm_file *);
955extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
956					struct drm_file *);
957
958/* nouveau_channel.c */
959extern struct drm_ioctl_desc nouveau_ioctls[];
960extern int nouveau_max_ioctl;
961extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
962extern int  nouveau_channel_alloc(struct drm_device *dev,
963				  struct nouveau_channel **chan,
964				  struct drm_file *file_priv,
965				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
966extern struct nouveau_channel *
967nouveau_channel_get_unlocked(struct nouveau_channel *);
968extern struct nouveau_channel *
969nouveau_channel_get(struct drm_file *, int id);
970extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
971extern void nouveau_channel_put(struct nouveau_channel **);
972extern void nouveau_channel_ref(struct nouveau_channel *chan,
973				struct nouveau_channel **pchan);
974extern void nouveau_channel_idle(struct nouveau_channel *chan);
975
976/* nouveau_object.c */
977#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
978	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
979	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
980} while (0)
981
982#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
983	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
984	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
985} while (0)
986
987#define NVOBJ_CLASS(d, c, e) do {                                              \
988	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
989	if (ret)                                                               \
990		return ret;                                                    \
991} while (0)
992
993#define NVOBJ_MTHD(d, c, m, e) do {                                            \
994	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
995	if (ret)                                                               \
996		return ret;                                                    \
997} while (0)
998
999extern int  nouveau_gpuobj_early_init(struct drm_device *);
1000extern int  nouveau_gpuobj_init(struct drm_device *);
1001extern void nouveau_gpuobj_takedown(struct drm_device *);
1002extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
1003extern void nouveau_gpuobj_resume(struct drm_device *dev);
1004extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
1005extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
1006				    int (*exec)(struct nouveau_channel *,
1007						u32 class, u32 mthd, u32 data));
1008extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
1009extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
1010extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
1011				       uint32_t vram_h, uint32_t tt_h);
1012extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
1013extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
1014			      uint32_t size, int align, uint32_t flags,
1015			      struct nouveau_gpuobj **);
1016extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
1017			       struct nouveau_gpuobj **);
1018extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
1019				   u32 size, u32 flags,
1020				   struct nouveau_gpuobj **);
1021extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
1022				  uint64_t offset, uint64_t size, int access,
1023				  int target, struct nouveau_gpuobj **);
1024extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
1025extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
1026			       u64 size, int target, int access, u32 type,
1027			       u32 comp, struct nouveau_gpuobj **pobj);
1028extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
1029				 int class, u64 base, u64 size, int target,
1030				 int access, u32 type, u32 comp);
1031extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
1032				     struct drm_file *);
1033extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
1034				     struct drm_file *);
1035
1036/* nouveau_irq.c */
1037extern int         nouveau_irq_init(struct drm_device *);
1038extern void        nouveau_irq_fini(struct drm_device *);
1039extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
1040extern void        nouveau_irq_register(struct drm_device *, int status_bit,
1041					void (*)(struct drm_device *));
1042extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
1043extern void        nouveau_irq_preinstall(struct drm_device *);
1044extern int         nouveau_irq_postinstall(struct drm_device *);
1045extern void        nouveau_irq_uninstall(struct drm_device *);
1046
1047/* nouveau_sgdma.c */
1048extern int nouveau_sgdma_init(struct drm_device *);
1049extern void nouveau_sgdma_takedown(struct drm_device *);
1050extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
1051					   uint32_t offset);
1052extern struct ttm_tt *nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
1053					       unsigned long size,
1054					       uint32_t page_flags,
1055					       struct page *dummy_read_page);
1056
1057/* nouveau_debugfs.c */
1058#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
1059extern int  nouveau_debugfs_init(struct drm_minor *);
1060extern void nouveau_debugfs_takedown(struct drm_minor *);
1061extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
1062extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
1063#else
1064static inline int
1065nouveau_debugfs_init(struct drm_minor *minor)
1066{
1067	return 0;
1068}
1069
1070static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
1071{
1072}
1073
1074static inline int
1075nouveau_debugfs_channel_init(struct nouveau_channel *chan)
1076{
1077	return 0;
1078}
1079
1080static inline void
1081nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
1082{
1083}
1084#endif
1085
1086/* nouveau_dma.c */
1087extern void nouveau_dma_pre_init(struct nouveau_channel *);
1088extern int  nouveau_dma_init(struct nouveau_channel *);
1089extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
1090
1091/* nouveau_acpi.c */
1092#define ROM_BIOS_PAGE 4096
1093#if defined(CONFIG_ACPI)
1094void nouveau_register_dsm_handler(void);
1095void nouveau_unregister_dsm_handler(void);
1096void nouveau_switcheroo_optimus_dsm(void);
1097int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
1098bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
1099int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
1100#else
1101static inline void nouveau_register_dsm_handler(void) {}
1102static inline void nouveau_unregister_dsm_handler(void) {}
1103static inline void nouveau_switcheroo_optimus_dsm(void) {}
1104static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
1105static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
1106static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
1107#endif
1108
1109/* nouveau_backlight.c */
1110#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1111extern int nouveau_backlight_init(struct drm_device *);
1112extern void nouveau_backlight_exit(struct drm_device *);
1113#else
1114static inline int nouveau_backlight_init(struct drm_device *dev)
1115{
1116	return 0;
1117}
1118
1119static inline void nouveau_backlight_exit(struct drm_device *dev) { }
1120#endif
1121
1122/* nouveau_bios.c */
1123extern int nouveau_bios_init(struct drm_device *);
1124extern void nouveau_bios_takedown(struct drm_device *dev);
1125extern int nouveau_run_vbios_init(struct drm_device *);
1126extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1127					struct dcb_entry *, int crtc);
1128extern void nouveau_bios_init_exec(struct drm_device *, uint16_t table);
1129extern struct dcb_connector_table_entry *
1130nouveau_bios_connector_entry(struct drm_device *, int index);
1131extern u32 get_pll_register(struct drm_device *, enum pll_types);
1132extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1133			  struct pll_lims *);
1134extern int nouveau_bios_run_display_table(struct drm_device *, u16 id, int clk,
1135					  struct dcb_entry *, int crtc);
1136extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1137extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1138extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1139					 bool *dl, bool *if_is_24bit);
1140extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1141			  int head, int pxclk);
1142extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1143			    enum LVDS_script, int pxclk);
1144bool bios_encoder_match(struct dcb_entry *, u32 hash);
1145
1146/* nouveau_mxm.c */
1147int  nouveau_mxm_init(struct drm_device *dev);
1148void nouveau_mxm_fini(struct drm_device *dev);
1149
1150/* nouveau_ttm.c */
1151int nouveau_ttm_global_init(struct drm_nouveau_private *);
1152void nouveau_ttm_global_release(struct drm_nouveau_private *);
1153int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1154
1155/* nouveau_hdmi.c */
1156void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *);
1157
1158/* nouveau_dp.c */
1159int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1160		     uint8_t *data, int data_nr);
1161bool nouveau_dp_detect(struct drm_encoder *);
1162bool nouveau_dp_link_train(struct drm_encoder *, u32 datarate);
1163void nouveau_dp_tu_update(struct drm_device *, int, int, u32, u32);
1164u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **);
1165
1166/* nv04_fb.c */
1167extern int  nv04_fb_vram_init(struct drm_device *);
1168extern int  nv04_fb_init(struct drm_device *);
1169extern void nv04_fb_takedown(struct drm_device *);
1170
1171/* nv10_fb.c */
1172extern int  nv10_fb_vram_init(struct drm_device *dev);
1173extern int  nv1a_fb_vram_init(struct drm_device *dev);
1174extern int  nv10_fb_init(struct drm_device *);
1175extern void nv10_fb_takedown(struct drm_device *);
1176extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1177				     uint32_t addr, uint32_t size,
1178				     uint32_t pitch, uint32_t flags);
1179extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1180extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1181
1182/* nv20_fb.c */
1183extern int  nv20_fb_vram_init(struct drm_device *dev);
1184extern int  nv20_fb_init(struct drm_device *);
1185extern void nv20_fb_takedown(struct drm_device *);
1186extern void nv20_fb_init_tile_region(struct drm_device *dev, int i,
1187				     uint32_t addr, uint32_t size,
1188				     uint32_t pitch, uint32_t flags);
1189extern void nv20_fb_set_tile_region(struct drm_device *dev, int i);
1190extern void nv20_fb_free_tile_region(struct drm_device *dev, int i);
1191
1192/* nv30_fb.c */
1193extern int  nv30_fb_init(struct drm_device *);
1194extern void nv30_fb_takedown(struct drm_device *);
1195extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1196				     uint32_t addr, uint32_t size,
1197				     uint32_t pitch, uint32_t flags);
1198extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1199
1200/* nv40_fb.c */
1201extern int  nv40_fb_vram_init(struct drm_device *dev);
1202extern int  nv40_fb_init(struct drm_device *);
1203extern void nv40_fb_takedown(struct drm_device *);
1204extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1205
1206/* nv50_fb.c */
1207extern int  nv50_fb_init(struct drm_device *);
1208extern void nv50_fb_takedown(struct drm_device *);
1209extern void nv50_fb_vm_trap(struct drm_device *, int display);
1210
1211/* nvc0_fb.c */
1212extern int  nvc0_fb_init(struct drm_device *);
1213extern void nvc0_fb_takedown(struct drm_device *);
1214
1215/* nv04_fifo.c */
1216extern int  nv04_fifo_init(struct drm_device *);
1217extern void nv04_fifo_fini(struct drm_device *);
1218extern void nv04_fifo_disable(struct drm_device *);
1219extern void nv04_fifo_enable(struct drm_device *);
1220extern bool nv04_fifo_reassign(struct drm_device *, bool);
1221extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1222extern int  nv04_fifo_channel_id(struct drm_device *);
1223extern int  nv04_fifo_create_context(struct nouveau_channel *);
1224extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1225extern int  nv04_fifo_load_context(struct nouveau_channel *);
1226extern int  nv04_fifo_unload_context(struct drm_device *);
1227extern void nv04_fifo_isr(struct drm_device *);
1228
1229/* nv10_fifo.c */
1230extern int  nv10_fifo_init(struct drm_device *);
1231extern int  nv10_fifo_channel_id(struct drm_device *);
1232extern int  nv10_fifo_create_context(struct nouveau_channel *);
1233extern int  nv10_fifo_load_context(struct nouveau_channel *);
1234extern int  nv10_fifo_unload_context(struct drm_device *);
1235
1236/* nv40_fifo.c */
1237extern int  nv40_fifo_init(struct drm_device *);
1238extern int  nv40_fifo_create_context(struct nouveau_channel *);
1239extern int  nv40_fifo_load_context(struct nouveau_channel *);
1240extern int  nv40_fifo_unload_context(struct drm_device *);
1241
1242/* nv50_fifo.c */
1243extern int  nv50_fifo_init(struct drm_device *);
1244extern void nv50_fifo_takedown(struct drm_device *);
1245extern int  nv50_fifo_channel_id(struct drm_device *);
1246extern int  nv50_fifo_create_context(struct nouveau_channel *);
1247extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1248extern int  nv50_fifo_load_context(struct nouveau_channel *);
1249extern int  nv50_fifo_unload_context(struct drm_device *);
1250extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1251
1252/* nvc0_fifo.c */
1253extern int  nvc0_fifo_init(struct drm_device *);
1254extern void nvc0_fifo_takedown(struct drm_device *);
1255extern void nvc0_fifo_disable(struct drm_device *);
1256extern void nvc0_fifo_enable(struct drm_device *);
1257extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1258extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1259extern int  nvc0_fifo_channel_id(struct drm_device *);
1260extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1261extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1262extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1263extern int  nvc0_fifo_unload_context(struct drm_device *);
1264
1265/* nv04_graph.c */
1266extern int  nv04_graph_create(struct drm_device *);
1267extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1268extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1269				      u32 class, u32 mthd, u32 data);
1270extern struct nouveau_bitfield nv04_graph_nsource[];
1271
1272/* nv10_graph.c */
1273extern int  nv10_graph_create(struct drm_device *);
1274extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1275extern struct nouveau_bitfield nv10_graph_intr[];
1276extern struct nouveau_bitfield nv10_graph_nstatus[];
1277
1278/* nv20_graph.c */
1279extern int  nv20_graph_create(struct drm_device *);
1280
1281/* nv40_graph.c */
1282extern int  nv40_graph_create(struct drm_device *);
1283extern void nv40_grctx_init(struct nouveau_grctx *);
1284
1285/* nv50_graph.c */
1286extern int  nv50_graph_create(struct drm_device *);
1287extern int  nv50_grctx_init(struct nouveau_grctx *);
1288extern struct nouveau_enum nv50_data_error_names[];
1289extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1290
1291/* nvc0_graph.c */
1292extern int  nvc0_graph_create(struct drm_device *);
1293extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1294
1295/* nv84_crypt.c */
1296extern int  nv84_crypt_create(struct drm_device *);
1297
1298/* nv98_crypt.c */
1299extern int  nv98_crypt_create(struct drm_device *dev);
1300
1301/* nva3_copy.c */
1302extern int  nva3_copy_create(struct drm_device *dev);
1303
1304/* nvc0_copy.c */
1305extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1306
1307/* nv31_mpeg.c */
1308extern int  nv31_mpeg_create(struct drm_device *dev);
1309
1310/* nv50_mpeg.c */
1311extern int  nv50_mpeg_create(struct drm_device *dev);
1312
1313/* nv84_bsp.c */
1314/* nv98_bsp.c */
1315extern int  nv84_bsp_create(struct drm_device *dev);
1316
1317/* nv84_vp.c */
1318/* nv98_vp.c */
1319extern int  nv84_vp_create(struct drm_device *dev);
1320
1321/* nv98_ppp.c */
1322extern int  nv98_ppp_create(struct drm_device *dev);
1323
1324/* nv04_instmem.c */
1325extern int  nv04_instmem_init(struct drm_device *);
1326extern void nv04_instmem_takedown(struct drm_device *);
1327extern int  nv04_instmem_suspend(struct drm_device *);
1328extern void nv04_instmem_resume(struct drm_device *);
1329extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1330			     u32 size, u32 align);
1331extern void nv04_instmem_put(struct nouveau_gpuobj *);
1332extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1333extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1334extern void nv04_instmem_flush(struct drm_device *);
1335
1336/* nv50_instmem.c */
1337extern int  nv50_instmem_init(struct drm_device *);
1338extern void nv50_instmem_takedown(struct drm_device *);
1339extern int  nv50_instmem_suspend(struct drm_device *);
1340extern void nv50_instmem_resume(struct drm_device *);
1341extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1342			     u32 size, u32 align);
1343extern void nv50_instmem_put(struct nouveau_gpuobj *);
1344extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1345extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1346extern void nv50_instmem_flush(struct drm_device *);
1347extern void nv84_instmem_flush(struct drm_device *);
1348
1349/* nvc0_instmem.c */
1350extern int  nvc0_instmem_init(struct drm_device *);
1351extern void nvc0_instmem_takedown(struct drm_device *);
1352extern int  nvc0_instmem_suspend(struct drm_device *);
1353extern void nvc0_instmem_resume(struct drm_device *);
1354
1355/* nv04_mc.c */
1356extern int  nv04_mc_init(struct drm_device *);
1357extern void nv04_mc_takedown(struct drm_device *);
1358
1359/* nv40_mc.c */
1360extern int  nv40_mc_init(struct drm_device *);
1361extern void nv40_mc_takedown(struct drm_device *);
1362
1363/* nv50_mc.c */
1364extern int  nv50_mc_init(struct drm_device *);
1365extern void nv50_mc_takedown(struct drm_device *);
1366
1367/* nv04_timer.c */
1368extern int  nv04_timer_init(struct drm_device *);
1369extern uint64_t nv04_timer_read(struct drm_device *);
1370extern void nv04_timer_takedown(struct drm_device *);
1371
1372extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1373				 unsigned long arg);
1374
1375/* nv04_dac.c */
1376extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1377extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1378extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1379extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1380extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1381
1382/* nv04_dfp.c */
1383extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1384extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1385extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1386			       int head, bool dl);
1387extern void nv04_dfp_disable(struct drm_device *dev, int head);
1388extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1389
1390/* nv04_tv.c */
1391extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1392extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1393
1394/* nv17_tv.c */
1395extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1396
1397/* nv04_display.c */
1398extern int nv04_display_early_init(struct drm_device *);
1399extern void nv04_display_late_takedown(struct drm_device *);
1400extern int nv04_display_create(struct drm_device *);
1401extern void nv04_display_destroy(struct drm_device *);
1402extern int nv04_display_init(struct drm_device *);
1403extern void nv04_display_fini(struct drm_device *);
1404
1405/* nvd0_display.c */
1406extern int nvd0_display_create(struct drm_device *);
1407extern void nvd0_display_destroy(struct drm_device *);
1408extern int nvd0_display_init(struct drm_device *);
1409extern void nvd0_display_fini(struct drm_device *);
1410struct nouveau_bo *nvd0_display_crtc_sema(struct drm_device *, int crtc);
1411void nvd0_display_flip_stop(struct drm_crtc *);
1412int nvd0_display_flip_next(struct drm_crtc *, struct drm_framebuffer *,
1413			   struct nouveau_channel *, u32 swap_interval);
1414
1415/* nv04_crtc.c */
1416extern int nv04_crtc_create(struct drm_device *, int index);
1417
1418/* nouveau_bo.c */
1419extern struct ttm_bo_driver nouveau_bo_driver;
1420extern int nouveau_bo_new(struct drm_device *, int size, int align,
1421			  uint32_t flags, uint32_t tile_mode,
1422			  uint32_t tile_flags, struct nouveau_bo **);
1423extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1424extern int nouveau_bo_unpin(struct nouveau_bo *);
1425extern int nouveau_bo_map(struct nouveau_bo *);
1426extern void nouveau_bo_unmap(struct nouveau_bo *);
1427extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1428				     uint32_t busy);
1429extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1430extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1431extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1432extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1433extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1434extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1435			       bool no_wait_reserve, bool no_wait_gpu);
1436
1437extern struct nouveau_vma *
1438nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
1439extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
1440			       struct nouveau_vma *);
1441extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
1442
1443/* nouveau_fence.c */
1444struct nouveau_fence;
1445extern int nouveau_fence_init(struct drm_device *);
1446extern void nouveau_fence_fini(struct drm_device *);
1447extern int nouveau_fence_channel_init(struct nouveau_channel *);
1448extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1449extern void nouveau_fence_update(struct nouveau_channel *);
1450extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1451			     bool emit);
1452extern int nouveau_fence_emit(struct nouveau_fence *);
1453extern void nouveau_fence_work(struct nouveau_fence *fence,
1454			       void (*work)(void *priv, bool signalled),
1455			       void *priv);
1456struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1457
1458extern bool __nouveau_fence_signalled(void *obj, void *arg);
1459extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1460extern int __nouveau_fence_flush(void *obj, void *arg);
1461extern void __nouveau_fence_unref(void **obj);
1462extern void *__nouveau_fence_ref(void *obj);
1463
1464static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1465{
1466	return __nouveau_fence_signalled(obj, NULL);
1467}
1468static inline int
1469nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1470{
1471	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1472}
1473extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1474static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1475{
1476	return __nouveau_fence_flush(obj, NULL);
1477}
1478static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1479{
1480	__nouveau_fence_unref((void **)obj);
1481}
1482static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1483{
1484	return __nouveau_fence_ref(obj);
1485}
1486
1487/* nouveau_gem.c */
1488extern int nouveau_gem_new(struct drm_device *, int size, int align,
1489			   uint32_t domain, uint32_t tile_mode,
1490			   uint32_t tile_flags, struct nouveau_bo **);
1491extern int nouveau_gem_object_new(struct drm_gem_object *);
1492extern void nouveau_gem_object_del(struct drm_gem_object *);
1493extern int nouveau_gem_object_open(struct drm_gem_object *, struct drm_file *);
1494extern void nouveau_gem_object_close(struct drm_gem_object *,
1495				     struct drm_file *);
1496extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1497				 struct drm_file *);
1498extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1499				     struct drm_file *);
1500extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1501				      struct drm_file *);
1502extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1503				      struct drm_file *);
1504extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1505				  struct drm_file *);
1506
1507/* nouveau_display.c */
1508int nouveau_display_create(struct drm_device *dev);
1509void nouveau_display_destroy(struct drm_device *dev);
1510int nouveau_display_init(struct drm_device *dev);
1511void nouveau_display_fini(struct drm_device *dev);
1512int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1513void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1514int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1515			   struct drm_pending_vblank_event *event);
1516int nouveau_finish_page_flip(struct nouveau_channel *,
1517			     struct nouveau_page_flip_state *);
1518int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
1519				struct drm_mode_create_dumb *args);
1520int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
1521				    uint32_t handle, uint64_t *offset);
1522int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
1523				 uint32_t handle);
1524
1525/* nv10_gpio.c */
1526int nv10_gpio_init(struct drm_device *dev);
1527void nv10_gpio_fini(struct drm_device *dev);
1528int nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out);
1529int nv10_gpio_sense(struct drm_device *dev, int line);
1530void nv10_gpio_irq_enable(struct drm_device *, int line, bool on);
1531
1532/* nv50_gpio.c */
1533int nv50_gpio_init(struct drm_device *dev);
1534void nv50_gpio_fini(struct drm_device *dev);
1535int nv50_gpio_drive(struct drm_device *dev, int line, int dir, int out);
1536int nv50_gpio_sense(struct drm_device *dev, int line);
1537void nv50_gpio_irq_enable(struct drm_device *, int line, bool on);
1538int nvd0_gpio_drive(struct drm_device *dev, int line, int dir, int out);
1539int nvd0_gpio_sense(struct drm_device *dev, int line);
1540
1541/* nv50_calc.c */
1542int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1543		  int *N1, int *M1, int *N2, int *M2, int *P);
1544int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1545		  int clk, int *N, int *fN, int *M, int *P);
1546
1547#ifndef ioread32_native
1548#ifdef __BIG_ENDIAN
1549#define ioread16_native ioread16be
1550#define iowrite16_native iowrite16be
1551#define ioread32_native  ioread32be
1552#define iowrite32_native iowrite32be
1553#else /* def __BIG_ENDIAN */
1554#define ioread16_native ioread16
1555#define iowrite16_native iowrite16
1556#define ioread32_native  ioread32
1557#define iowrite32_native iowrite32
1558#endif /* def __BIG_ENDIAN else */
1559#endif /* !ioread32_native */
1560
1561/* channel control reg access */
1562static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1563{
1564	return ioread32_native(chan->user + reg);
1565}
1566
1567static inline void nvchan_wr32(struct nouveau_channel *chan,
1568							unsigned reg, u32 val)
1569{
1570	iowrite32_native(val, chan->user + reg);
1571}
1572
1573/* register access */
1574static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1575{
1576	struct drm_nouveau_private *dev_priv = dev->dev_private;
1577	return ioread32_native(dev_priv->mmio + reg);
1578}
1579
1580static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1581{
1582	struct drm_nouveau_private *dev_priv = dev->dev_private;
1583	iowrite32_native(val, dev_priv->mmio + reg);
1584}
1585
1586static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1587{
1588	u32 tmp = nv_rd32(dev, reg);
1589	nv_wr32(dev, reg, (tmp & ~mask) | val);
1590	return tmp;
1591}
1592
1593static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1594{
1595	struct drm_nouveau_private *dev_priv = dev->dev_private;
1596	return ioread8(dev_priv->mmio + reg);
1597}
1598
1599static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1600{
1601	struct drm_nouveau_private *dev_priv = dev->dev_private;
1602	iowrite8(val, dev_priv->mmio + reg);
1603}
1604
1605#define nv_wait(dev, reg, mask, val) \
1606	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1607#define nv_wait_ne(dev, reg, mask, val) \
1608	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1609#define nv_wait_cb(dev, func, data) \
1610	nouveau_wait_cb(dev, 2000000000ULL, (func), (data))
1611
1612/* PRAMIN access */
1613static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1614{
1615	struct drm_nouveau_private *dev_priv = dev->dev_private;
1616	return ioread32_native(dev_priv->ramin + offset);
1617}
1618
1619static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1620{
1621	struct drm_nouveau_private *dev_priv = dev->dev_private;
1622	iowrite32_native(val, dev_priv->ramin + offset);
1623}
1624
1625/* object access */
1626extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1627extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1628
1629/*
1630 * Logging
1631 * Argument d is (struct drm_device *).
1632 */
1633#define NV_PRINTK(level, d, fmt, arg...) \
1634	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1635					pci_name(d->pdev), ##arg)
1636#ifndef NV_DEBUG_NOTRACE
1637#define NV_DEBUG(d, fmt, arg...) do {                                          \
1638	if (drm_debug & DRM_UT_DRIVER) {                                       \
1639		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1640			  __LINE__, ##arg);                                    \
1641	}                                                                      \
1642} while (0)
1643#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1644	if (drm_debug & DRM_UT_KMS) {                                          \
1645		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1646			  __LINE__, ##arg);                                    \
1647	}                                                                      \
1648} while (0)
1649#else
1650#define NV_DEBUG(d, fmt, arg...) do {                                          \
1651	if (drm_debug & DRM_UT_DRIVER)                                         \
1652		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1653} while (0)
1654#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1655	if (drm_debug & DRM_UT_KMS)                                            \
1656		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1657} while (0)
1658#endif
1659#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1660#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1661#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1662#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1663#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1664#define NV_WARNONCE(d, fmt, arg...) do {                                       \
1665	static int _warned = 0;                                                \
1666	if (!_warned) {                                                        \
1667		NV_WARN(d, fmt, ##arg);                                        \
1668		_warned = 1;                                                   \
1669	}                                                                      \
1670} while(0)
1671
1672/* nouveau_reg_debug bitmask */
1673enum {
1674	NOUVEAU_REG_DEBUG_MC             = 0x1,
1675	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1676	NOUVEAU_REG_DEBUG_FB             = 0x4,
1677	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1678	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1679	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1680	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1681	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1682	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1683	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1684	NOUVEAU_REG_DEBUG_AUXCH          = 0x400
1685};
1686
1687#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1688	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1689		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1690} while (0)
1691
1692static inline bool
1693nv_two_heads(struct drm_device *dev)
1694{
1695	struct drm_nouveau_private *dev_priv = dev->dev_private;
1696	const int impl = dev->pci_device & 0x0ff0;
1697
1698	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1699	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1700		return true;
1701
1702	return false;
1703}
1704
1705static inline bool
1706nv_gf4_disp_arch(struct drm_device *dev)
1707{
1708	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1709}
1710
1711static inline bool
1712nv_two_reg_pll(struct drm_device *dev)
1713{
1714	struct drm_nouveau_private *dev_priv = dev->dev_private;
1715	const int impl = dev->pci_device & 0x0ff0;
1716
1717	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1718		return true;
1719	return false;
1720}
1721
1722static inline bool
1723nv_match_device(struct drm_device *dev, unsigned device,
1724		unsigned sub_vendor, unsigned sub_device)
1725{
1726	return dev->pdev->device == device &&
1727		dev->pdev->subsystem_vendor == sub_vendor &&
1728		dev->pdev->subsystem_device == sub_device;
1729}
1730
1731static inline void *
1732nv_engine(struct drm_device *dev, int engine)
1733{
1734	struct drm_nouveau_private *dev_priv = dev->dev_private;
1735	return (void *)dev_priv->eng[engine];
1736}
1737
1738/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1739 * helpful to determine a number of other hardware features
1740 */
1741static inline int
1742nv44_graph_class(struct drm_device *dev)
1743{
1744	struct drm_nouveau_private *dev_priv = dev->dev_private;
1745
1746	if ((dev_priv->chipset & 0xf0) == 0x60)
1747		return 1;
1748
1749	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1750}
1751
1752/* memory type/access flags, do not match hardware values */
1753#define NV_MEM_ACCESS_RO  1
1754#define NV_MEM_ACCESS_WO  2
1755#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1756#define NV_MEM_ACCESS_SYS 4
1757#define NV_MEM_ACCESS_VM  8
1758
1759#define NV_MEM_TARGET_VRAM        0
1760#define NV_MEM_TARGET_PCI         1
1761#define NV_MEM_TARGET_PCI_NOSNOOP 2
1762#define NV_MEM_TARGET_VM          3
1763#define NV_MEM_TARGET_GART        4
1764
1765#define NV_MEM_TYPE_VM 0x7f
1766#define NV_MEM_COMP_VM 0x03
1767
1768/* NV_SW object class */
1769#define NV_SW                                                        0x0000506e
1770#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1771#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1772#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1773#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1774#define NV_SW_YIELD                                                  0x00000080
1775#define NV_SW_DMA_VBLSEM                                             0x0000018c
1776#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1777#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1778#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1779#define NV_SW_PAGE_FLIP                                              0x00000500
1780
1781#endif /* __NOUVEAU_DRV_H__ */
1782