nouveau_drv.h revision 77e7da6814623927cc4435d992bef9c84075594c
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_DISPLAY	15
167#define NVOBJ_ENGINE_NR		16
168
169#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
170#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
171#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
172#define NVOBJ_FLAG_VM			(1 << 3)
173#define NVOBJ_FLAG_VM_USER		(1 << 4)
174
175#define NVOBJ_CINST_GLOBAL	0xdeadbeef
176
177struct nouveau_gpuobj {
178	struct drm_device *dev;
179	struct kref refcount;
180	struct list_head list;
181
182	void *node;
183	u32 *suspend;
184
185	uint32_t flags;
186
187	u32 size;
188	u32 pinst;	/* PRAMIN BAR offset */
189	u32 cinst;	/* Channel offset */
190	u64 vinst;	/* VRAM address */
191	u64 linst;	/* VM address */
192
193	uint32_t engine;
194	uint32_t class;
195
196	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
197	void *priv;
198};
199
200struct nouveau_page_flip_state {
201	struct list_head head;
202	struct drm_pending_vblank_event *event;
203	int crtc, bpp, pitch, x, y;
204	uint64_t offset;
205};
206
207enum nouveau_channel_mutex_class {
208	NOUVEAU_UCHANNEL_MUTEX,
209	NOUVEAU_KCHANNEL_MUTEX
210};
211
212struct nouveau_channel {
213	struct drm_device *dev;
214	struct list_head list;
215	int id;
216
217	/* references to the channel data structure */
218	struct kref ref;
219	/* users of the hardware channel resources, the hardware
220	 * context will be kicked off when it reaches zero. */
221	atomic_t users;
222	struct mutex mutex;
223
224	/* owner of this fifo */
225	struct drm_file *file_priv;
226	/* mapping of the fifo itself */
227	struct drm_local_map *map;
228
229	/* mapping of the regs controlling the fifo */
230	void __iomem *user;
231	uint32_t user_get;
232	uint32_t user_put;
233
234	/* Fencing */
235	struct {
236		/* lock protects the pending list only */
237		spinlock_t lock;
238		struct list_head pending;
239		uint32_t sequence;
240		uint32_t sequence_ack;
241		atomic_t last_sequence_irq;
242		struct nouveau_vma vma;
243	} fence;
244
245	/* DMA push buffer */
246	struct nouveau_gpuobj *pushbuf;
247	struct nouveau_bo     *pushbuf_bo;
248	struct nouveau_vma     pushbuf_vma;
249	uint32_t               pushbuf_base;
250
251	/* Notifier memory */
252	struct nouveau_bo *notifier_bo;
253	struct nouveau_vma notifier_vma;
254	struct drm_mm notifier_heap;
255
256	/* PFIFO context */
257	struct nouveau_gpuobj *ramfc;
258	struct nouveau_gpuobj *cache;
259	void *fifo_priv;
260
261	/* Execution engine contexts */
262	void *engctx[NVOBJ_ENGINE_NR];
263
264	/* NV50 VM */
265	struct nouveau_vm     *vm;
266	struct nouveau_gpuobj *vm_pd;
267
268	/* Objects */
269	struct nouveau_gpuobj *ramin; /* Private instmem */
270	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
271	struct nouveau_ramht  *ramht; /* Hash table */
272
273	/* GPU object info for stuff used in-kernel (mm_enabled) */
274	uint32_t m2mf_ntfy;
275	uint32_t vram_handle;
276	uint32_t gart_handle;
277	bool accel_done;
278
279	/* Push buffer state (only for drm's channel on !mm_enabled) */
280	struct {
281		int max;
282		int free;
283		int cur;
284		int put;
285		/* access via pushbuf_bo */
286
287		int ib_base;
288		int ib_max;
289		int ib_free;
290		int ib_put;
291	} dma;
292
293	uint32_t sw_subchannel[8];
294
295	struct nouveau_vma dispc_vma[2];
296	struct {
297		struct nouveau_gpuobj *vblsem;
298		uint32_t vblsem_head;
299		uint32_t vblsem_offset;
300		uint32_t vblsem_rval;
301		struct list_head vbl_wait;
302		struct list_head flip;
303	} nvsw;
304
305	struct {
306		bool active;
307		char name[32];
308		struct drm_info_list info;
309	} debugfs;
310};
311
312struct nouveau_exec_engine {
313	void (*destroy)(struct drm_device *, int engine);
314	int  (*init)(struct drm_device *, int engine);
315	int  (*fini)(struct drm_device *, int engine, bool suspend);
316	int  (*context_new)(struct nouveau_channel *, int engine);
317	void (*context_del)(struct nouveau_channel *, int engine);
318	int  (*object_new)(struct nouveau_channel *, int engine,
319			   u32 handle, u16 class);
320	void (*set_tile_region)(struct drm_device *dev, int i);
321	void (*tlb_flush)(struct drm_device *, int engine);
322};
323
324struct nouveau_instmem_engine {
325	void	*priv;
326
327	int	(*init)(struct drm_device *dev);
328	void	(*takedown)(struct drm_device *dev);
329	int	(*suspend)(struct drm_device *dev);
330	void	(*resume)(struct drm_device *dev);
331
332	int	(*get)(struct nouveau_gpuobj *, struct nouveau_channel *,
333		       u32 size, u32 align);
334	void	(*put)(struct nouveau_gpuobj *);
335	int	(*map)(struct nouveau_gpuobj *);
336	void	(*unmap)(struct nouveau_gpuobj *);
337
338	void	(*flush)(struct drm_device *);
339};
340
341struct nouveau_mc_engine {
342	int  (*init)(struct drm_device *dev);
343	void (*takedown)(struct drm_device *dev);
344};
345
346struct nouveau_timer_engine {
347	int      (*init)(struct drm_device *dev);
348	void     (*takedown)(struct drm_device *dev);
349	uint64_t (*read)(struct drm_device *dev);
350};
351
352struct nouveau_fb_engine {
353	int num_tiles;
354	struct drm_mm tag_heap;
355	void *priv;
356
357	int  (*init)(struct drm_device *dev);
358	void (*takedown)(struct drm_device *dev);
359
360	void (*init_tile_region)(struct drm_device *dev, int i,
361				 uint32_t addr, uint32_t size,
362				 uint32_t pitch, uint32_t flags);
363	void (*set_tile_region)(struct drm_device *dev, int i);
364	void (*free_tile_region)(struct drm_device *dev, int i);
365};
366
367struct nouveau_fifo_engine {
368	void *priv;
369	int  channels;
370
371	struct nouveau_gpuobj *playlist[2];
372	int cur_playlist;
373
374	int  (*init)(struct drm_device *);
375	void (*takedown)(struct drm_device *);
376
377	void (*disable)(struct drm_device *);
378	void (*enable)(struct drm_device *);
379	bool (*reassign)(struct drm_device *, bool enable);
380	bool (*cache_pull)(struct drm_device *dev, bool enable);
381
382	int  (*channel_id)(struct drm_device *);
383
384	int  (*create_context)(struct nouveau_channel *);
385	void (*destroy_context)(struct nouveau_channel *);
386	int  (*load_context)(struct nouveau_channel *);
387	int  (*unload_context)(struct drm_device *);
388	void (*tlb_flush)(struct drm_device *dev);
389};
390
391struct nouveau_display_engine {
392	void *priv;
393	int (*early_init)(struct drm_device *);
394	void (*late_takedown)(struct drm_device *);
395	int (*create)(struct drm_device *);
396	int (*init)(struct drm_device *);
397	void (*destroy)(struct drm_device *);
398};
399
400struct nouveau_gpio_engine {
401	void *priv;
402
403	int  (*init)(struct drm_device *);
404	void (*takedown)(struct drm_device *);
405
406	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
407	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
408
409	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
410			     void (*)(void *, int), void *);
411	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
412			       void (*)(void *, int), void *);
413	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
414};
415
416struct nouveau_pm_voltage_level {
417	u32 voltage; /* microvolts */
418	u8  vid;
419};
420
421struct nouveau_pm_voltage {
422	bool supported;
423	u8 version;
424	u8 vid_mask;
425
426	struct nouveau_pm_voltage_level *level;
427	int nr_level;
428};
429
430struct nouveau_pm_memtiming {
431	int id;
432	u32 reg_100220;
433	u32 reg_100224;
434	u32 reg_100228;
435	u32 reg_10022c;
436	u32 reg_100230;
437	u32 reg_100234;
438	u32 reg_100238;
439	u32 reg_10023c;
440	u32 reg_100240;
441};
442
443#define NOUVEAU_PM_MAX_LEVEL 8
444struct nouveau_pm_level {
445	struct device_attribute dev_attr;
446	char name[32];
447	int id;
448
449	u32 core;
450	u32 memory;
451	u32 shader;
452	u32 unk05;
453	u32 unk0a;
454
455	u32 volt_min; /* microvolts */
456	u32 volt_max;
457	u8  fanspeed;
458
459	u16 memscript;
460	struct nouveau_pm_memtiming *timing;
461};
462
463struct nouveau_pm_temp_sensor_constants {
464	u16 offset_constant;
465	s16 offset_mult;
466	s16 offset_div;
467	s16 slope_mult;
468	s16 slope_div;
469};
470
471struct nouveau_pm_threshold_temp {
472	s16 critical;
473	s16 down_clock;
474	s16 fan_boost;
475};
476
477struct nouveau_pm_memtimings {
478	bool supported;
479	struct nouveau_pm_memtiming *timing;
480	int nr_timing;
481};
482
483struct nouveau_pm_engine {
484	struct nouveau_pm_voltage voltage;
485	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
486	int nr_perflvl;
487	struct nouveau_pm_memtimings memtimings;
488	struct nouveau_pm_temp_sensor_constants sensor_constants;
489	struct nouveau_pm_threshold_temp threshold_temp;
490
491	struct nouveau_pm_level boot;
492	struct nouveau_pm_level *cur;
493
494	struct device *hwmon;
495	struct notifier_block acpi_nb;
496
497	int (*clock_get)(struct drm_device *, u32 id);
498	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
499			   u32 id, int khz);
500	void (*clock_set)(struct drm_device *, void *);
501
502	int  (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
503	void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
504	void (*clocks_set)(struct drm_device *, void *);
505
506	int (*voltage_get)(struct drm_device *);
507	int (*voltage_set)(struct drm_device *, int voltage);
508	int (*fanspeed_get)(struct drm_device *);
509	int (*fanspeed_set)(struct drm_device *, int fanspeed);
510	int (*temp_get)(struct drm_device *);
511};
512
513struct nouveau_vram_engine {
514	struct nouveau_mm *mm;
515
516	int  (*init)(struct drm_device *);
517	void (*takedown)(struct drm_device *dev);
518	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
519		    u32 type, struct nouveau_mem **);
520	void (*put)(struct drm_device *, struct nouveau_mem **);
521
522	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
523};
524
525struct nouveau_engine {
526	struct nouveau_instmem_engine instmem;
527	struct nouveau_mc_engine      mc;
528	struct nouveau_timer_engine   timer;
529	struct nouveau_fb_engine      fb;
530	struct nouveau_fifo_engine    fifo;
531	struct nouveau_display_engine display;
532	struct nouveau_gpio_engine    gpio;
533	struct nouveau_pm_engine      pm;
534	struct nouveau_vram_engine    vram;
535};
536
537struct nouveau_pll_vals {
538	union {
539		struct {
540#ifdef __BIG_ENDIAN
541			uint8_t N1, M1, N2, M2;
542#else
543			uint8_t M1, N1, M2, N2;
544#endif
545		};
546		struct {
547			uint16_t NM1, NM2;
548		} __attribute__((packed));
549	};
550	int log2P;
551
552	int refclk;
553};
554
555enum nv04_fp_display_regs {
556	FP_DISPLAY_END,
557	FP_TOTAL,
558	FP_CRTC,
559	FP_SYNC_START,
560	FP_SYNC_END,
561	FP_VALID_START,
562	FP_VALID_END
563};
564
565struct nv04_crtc_reg {
566	unsigned char MiscOutReg;
567	uint8_t CRTC[0xa0];
568	uint8_t CR58[0x10];
569	uint8_t Sequencer[5];
570	uint8_t Graphics[9];
571	uint8_t Attribute[21];
572	unsigned char DAC[768];
573
574	/* PCRTC regs */
575	uint32_t fb_start;
576	uint32_t crtc_cfg;
577	uint32_t cursor_cfg;
578	uint32_t gpio_ext;
579	uint32_t crtc_830;
580	uint32_t crtc_834;
581	uint32_t crtc_850;
582	uint32_t crtc_eng_ctrl;
583
584	/* PRAMDAC regs */
585	uint32_t nv10_cursync;
586	struct nouveau_pll_vals pllvals;
587	uint32_t ramdac_gen_ctrl;
588	uint32_t ramdac_630;
589	uint32_t ramdac_634;
590	uint32_t tv_setup;
591	uint32_t tv_vtotal;
592	uint32_t tv_vskew;
593	uint32_t tv_vsync_delay;
594	uint32_t tv_htotal;
595	uint32_t tv_hskew;
596	uint32_t tv_hsync_delay;
597	uint32_t tv_hsync_delay2;
598	uint32_t fp_horiz_regs[7];
599	uint32_t fp_vert_regs[7];
600	uint32_t dither;
601	uint32_t fp_control;
602	uint32_t dither_regs[6];
603	uint32_t fp_debug_0;
604	uint32_t fp_debug_1;
605	uint32_t fp_debug_2;
606	uint32_t fp_margin_color;
607	uint32_t ramdac_8c0;
608	uint32_t ramdac_a20;
609	uint32_t ramdac_a24;
610	uint32_t ramdac_a34;
611	uint32_t ctv_regs[38];
612};
613
614struct nv04_output_reg {
615	uint32_t output;
616	int head;
617};
618
619struct nv04_mode_state {
620	struct nv04_crtc_reg crtc_reg[2];
621	uint32_t pllsel;
622	uint32_t sel_clk;
623};
624
625enum nouveau_card_type {
626	NV_04      = 0x00,
627	NV_10      = 0x10,
628	NV_20      = 0x20,
629	NV_30      = 0x30,
630	NV_40      = 0x40,
631	NV_50      = 0x50,
632	NV_C0      = 0xc0,
633};
634
635struct drm_nouveau_private {
636	struct drm_device *dev;
637	bool noaccel;
638
639	/* the card type, takes NV_* as values */
640	enum nouveau_card_type card_type;
641	/* exact chipset, derived from NV_PMC_BOOT_0 */
642	int chipset;
643	int stepping;
644	int flags;
645
646	void __iomem *mmio;
647
648	spinlock_t ramin_lock;
649	void __iomem *ramin;
650	u32 ramin_size;
651	u32 ramin_base;
652	bool ramin_available;
653	struct drm_mm ramin_heap;
654	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
655	struct list_head gpuobj_list;
656	struct list_head classes;
657
658	struct nouveau_bo *vga_ram;
659
660	/* interrupt handling */
661	void (*irq_handler[32])(struct drm_device *);
662	bool msi_enabled;
663
664	struct list_head vbl_waiting;
665
666	struct {
667		struct drm_global_reference mem_global_ref;
668		struct ttm_bo_global_ref bo_global_ref;
669		struct ttm_bo_device bdev;
670		atomic_t validate_sequence;
671	} ttm;
672
673	struct {
674		spinlock_t lock;
675		struct drm_mm heap;
676		struct nouveau_bo *bo;
677	} fence;
678
679	struct {
680		spinlock_t lock;
681		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
682	} channels;
683
684	struct nouveau_engine engine;
685	struct nouveau_channel *channel;
686
687	/* For PFIFO and PGRAPH. */
688	spinlock_t context_switch_lock;
689
690	/* VM/PRAMIN flush, legacy PRAMIN aperture */
691	spinlock_t vm_lock;
692
693	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
694	struct nouveau_ramht  *ramht;
695	struct nouveau_gpuobj *ramfc;
696	struct nouveau_gpuobj *ramro;
697
698	uint32_t ramin_rsvd_vram;
699
700	struct {
701		enum {
702			NOUVEAU_GART_NONE = 0,
703			NOUVEAU_GART_AGP,	/* AGP */
704			NOUVEAU_GART_PDMA,	/* paged dma object */
705			NOUVEAU_GART_HW		/* on-chip gart/vm */
706		} type;
707		uint64_t aper_base;
708		uint64_t aper_size;
709		uint64_t aper_free;
710
711		struct ttm_backend_func *func;
712
713		struct {
714			struct page *page;
715			dma_addr_t   addr;
716		} dummy;
717
718		struct nouveau_gpuobj *sg_ctxdma;
719	} gart_info;
720
721	/* nv10-nv40 tiling regions */
722	struct {
723		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
724		spinlock_t lock;
725	} tile;
726
727	/* VRAM/fb configuration */
728	uint64_t vram_size;
729	uint64_t vram_sys_base;
730
731	uint64_t fb_phys;
732	uint64_t fb_available_size;
733	uint64_t fb_mappable_pages;
734	uint64_t fb_aper_free;
735	int fb_mtrr;
736
737	/* BAR control (NV50-) */
738	struct nouveau_vm *bar1_vm;
739	struct nouveau_vm *bar3_vm;
740
741	/* G8x/G9x virtual address space */
742	struct nouveau_vm *chan_vm;
743
744	struct nvbios vbios;
745
746	struct nv04_mode_state mode_reg;
747	struct nv04_mode_state saved_reg;
748	uint32_t saved_vga_font[4][16384];
749	uint32_t crtc_owner;
750	uint32_t dac_users[4];
751
752	struct backlight_device *backlight;
753
754	struct {
755		struct dentry *channel_root;
756	} debugfs;
757
758	struct nouveau_fbdev *nfbdev;
759	struct apertures_struct *apertures;
760};
761
762static inline struct drm_nouveau_private *
763nouveau_private(struct drm_device *dev)
764{
765	return dev->dev_private;
766}
767
768static inline struct drm_nouveau_private *
769nouveau_bdev(struct ttm_bo_device *bd)
770{
771	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
772}
773
774static inline int
775nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
776{
777	struct nouveau_bo *prev;
778
779	if (!pnvbo)
780		return -EINVAL;
781	prev = *pnvbo;
782
783	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
784	if (prev) {
785		struct ttm_buffer_object *bo = &prev->bo;
786
787		ttm_bo_unref(&bo);
788	}
789
790	return 0;
791}
792
793/* nouveau_drv.c */
794extern int nouveau_agpmode;
795extern int nouveau_duallink;
796extern int nouveau_uscript_lvds;
797extern int nouveau_uscript_tmds;
798extern int nouveau_vram_pushbuf;
799extern int nouveau_vram_notify;
800extern int nouveau_fbpercrtc;
801extern int nouveau_tv_disable;
802extern char *nouveau_tv_norm;
803extern int nouveau_reg_debug;
804extern char *nouveau_vbios;
805extern int nouveau_ignorelid;
806extern int nouveau_nofbaccel;
807extern int nouveau_noaccel;
808extern int nouveau_force_post;
809extern int nouveau_override_conntype;
810extern char *nouveau_perflvl;
811extern int nouveau_perflvl_wr;
812extern int nouveau_msi;
813extern int nouveau_ctxfw;
814
815extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
816extern int nouveau_pci_resume(struct pci_dev *pdev);
817
818/* nouveau_state.c */
819extern int  nouveau_open(struct drm_device *, struct drm_file *);
820extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
821extern void nouveau_postclose(struct drm_device *, struct drm_file *);
822extern int  nouveau_load(struct drm_device *, unsigned long flags);
823extern int  nouveau_firstopen(struct drm_device *);
824extern void nouveau_lastclose(struct drm_device *);
825extern int  nouveau_unload(struct drm_device *);
826extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
827				   struct drm_file *);
828extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
829				   struct drm_file *);
830extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
831			    uint32_t reg, uint32_t mask, uint32_t val);
832extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
833			    uint32_t reg, uint32_t mask, uint32_t val);
834extern bool nouveau_wait_for_idle(struct drm_device *);
835extern int  nouveau_card_init(struct drm_device *);
836
837/* nouveau_mem.c */
838extern int  nouveau_mem_vram_init(struct drm_device *);
839extern void nouveau_mem_vram_fini(struct drm_device *);
840extern int  nouveau_mem_gart_init(struct drm_device *);
841extern void nouveau_mem_gart_fini(struct drm_device *);
842extern int  nouveau_mem_init_agp(struct drm_device *);
843extern int  nouveau_mem_reset_agp(struct drm_device *);
844extern void nouveau_mem_close(struct drm_device *);
845extern int  nouveau_mem_detect(struct drm_device *);
846extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
847extern struct nouveau_tile_reg *nv10_mem_set_tiling(
848	struct drm_device *dev, uint32_t addr, uint32_t size,
849	uint32_t pitch, uint32_t flags);
850extern void nv10_mem_put_tile_region(struct drm_device *dev,
851				     struct nouveau_tile_reg *tile,
852				     struct nouveau_fence *fence);
853extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
854extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
855
856/* nouveau_notifier.c */
857extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
858extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
859extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
860				   int cout, uint32_t start, uint32_t end,
861				   uint32_t *offset);
862extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
863extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
864					 struct drm_file *);
865extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
866					struct drm_file *);
867
868/* nouveau_channel.c */
869extern struct drm_ioctl_desc nouveau_ioctls[];
870extern int nouveau_max_ioctl;
871extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
872extern int  nouveau_channel_alloc(struct drm_device *dev,
873				  struct nouveau_channel **chan,
874				  struct drm_file *file_priv,
875				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
876extern struct nouveau_channel *
877nouveau_channel_get_unlocked(struct nouveau_channel *);
878extern struct nouveau_channel *
879nouveau_channel_get(struct drm_file *, int id);
880extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
881extern void nouveau_channel_put(struct nouveau_channel **);
882extern void nouveau_channel_ref(struct nouveau_channel *chan,
883				struct nouveau_channel **pchan);
884extern void nouveau_channel_idle(struct nouveau_channel *chan);
885
886/* nouveau_object.c */
887#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
888	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
889	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
890} while (0)
891
892#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
893	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
894	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
895} while (0)
896
897#define NVOBJ_CLASS(d, c, e) do {                                              \
898	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
899	if (ret)                                                               \
900		return ret;                                                    \
901} while (0)
902
903#define NVOBJ_MTHD(d, c, m, e) do {                                            \
904	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
905	if (ret)                                                               \
906		return ret;                                                    \
907} while (0)
908
909extern int  nouveau_gpuobj_early_init(struct drm_device *);
910extern int  nouveau_gpuobj_init(struct drm_device *);
911extern void nouveau_gpuobj_takedown(struct drm_device *);
912extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
913extern void nouveau_gpuobj_resume(struct drm_device *dev);
914extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
915extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
916				    int (*exec)(struct nouveau_channel *,
917						u32 class, u32 mthd, u32 data));
918extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
919extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
920extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
921				       uint32_t vram_h, uint32_t tt_h);
922extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
923extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
924			      uint32_t size, int align, uint32_t flags,
925			      struct nouveau_gpuobj **);
926extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
927			       struct nouveau_gpuobj **);
928extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
929				   u32 size, u32 flags,
930				   struct nouveau_gpuobj **);
931extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
932				  uint64_t offset, uint64_t size, int access,
933				  int target, struct nouveau_gpuobj **);
934extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
935extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
936			       u64 size, int target, int access, u32 type,
937			       u32 comp, struct nouveau_gpuobj **pobj);
938extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
939				 int class, u64 base, u64 size, int target,
940				 int access, u32 type, u32 comp);
941extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
942				     struct drm_file *);
943extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
944				     struct drm_file *);
945
946/* nouveau_irq.c */
947extern int         nouveau_irq_init(struct drm_device *);
948extern void        nouveau_irq_fini(struct drm_device *);
949extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
950extern void        nouveau_irq_register(struct drm_device *, int status_bit,
951					void (*)(struct drm_device *));
952extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
953extern void        nouveau_irq_preinstall(struct drm_device *);
954extern int         nouveau_irq_postinstall(struct drm_device *);
955extern void        nouveau_irq_uninstall(struct drm_device *);
956
957/* nouveau_sgdma.c */
958extern int nouveau_sgdma_init(struct drm_device *);
959extern void nouveau_sgdma_takedown(struct drm_device *);
960extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
961					   uint32_t offset);
962extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
963
964/* nouveau_debugfs.c */
965#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
966extern int  nouveau_debugfs_init(struct drm_minor *);
967extern void nouveau_debugfs_takedown(struct drm_minor *);
968extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
969extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
970#else
971static inline int
972nouveau_debugfs_init(struct drm_minor *minor)
973{
974	return 0;
975}
976
977static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
978{
979}
980
981static inline int
982nouveau_debugfs_channel_init(struct nouveau_channel *chan)
983{
984	return 0;
985}
986
987static inline void
988nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
989{
990}
991#endif
992
993/* nouveau_dma.c */
994extern void nouveau_dma_pre_init(struct nouveau_channel *);
995extern int  nouveau_dma_init(struct nouveau_channel *);
996extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
997
998/* nouveau_acpi.c */
999#define ROM_BIOS_PAGE 4096
1000#if defined(CONFIG_ACPI)
1001void nouveau_register_dsm_handler(void);
1002void nouveau_unregister_dsm_handler(void);
1003int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
1004bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
1005int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
1006#else
1007static inline void nouveau_register_dsm_handler(void) {}
1008static inline void nouveau_unregister_dsm_handler(void) {}
1009static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
1010static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
1011static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
1012#endif
1013
1014/* nouveau_backlight.c */
1015#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1016extern int nouveau_backlight_init(struct drm_connector *);
1017extern void nouveau_backlight_exit(struct drm_connector *);
1018#else
1019static inline int nouveau_backlight_init(struct drm_connector *dev)
1020{
1021	return 0;
1022}
1023
1024static inline void nouveau_backlight_exit(struct drm_connector *dev) { }
1025#endif
1026
1027/* nouveau_bios.c */
1028extern int nouveau_bios_init(struct drm_device *);
1029extern void nouveau_bios_takedown(struct drm_device *dev);
1030extern int nouveau_run_vbios_init(struct drm_device *);
1031extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1032					struct dcb_entry *);
1033extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1034						      enum dcb_gpio_tag);
1035extern struct dcb_connector_table_entry *
1036nouveau_bios_connector_entry(struct drm_device *, int index);
1037extern u32 get_pll_register(struct drm_device *, enum pll_types);
1038extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1039			  struct pll_lims *);
1040extern int nouveau_bios_run_display_table(struct drm_device *,
1041					  struct dcb_entry *,
1042					  uint32_t script, int pxclk);
1043extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1044				   int *length);
1045extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1046extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1047extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1048					 bool *dl, bool *if_is_24bit);
1049extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1050			  int head, int pxclk);
1051extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1052			    enum LVDS_script, int pxclk);
1053
1054/* nouveau_ttm.c */
1055int nouveau_ttm_global_init(struct drm_nouveau_private *);
1056void nouveau_ttm_global_release(struct drm_nouveau_private *);
1057int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1058
1059/* nouveau_dp.c */
1060int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1061		     uint8_t *data, int data_nr);
1062bool nouveau_dp_detect(struct drm_encoder *);
1063bool nouveau_dp_link_train(struct drm_encoder *);
1064
1065/* nv04_fb.c */
1066extern int  nv04_fb_init(struct drm_device *);
1067extern void nv04_fb_takedown(struct drm_device *);
1068
1069/* nv10_fb.c */
1070extern int  nv10_fb_init(struct drm_device *);
1071extern void nv10_fb_takedown(struct drm_device *);
1072extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1073				     uint32_t addr, uint32_t size,
1074				     uint32_t pitch, uint32_t flags);
1075extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1076extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1077
1078/* nv30_fb.c */
1079extern int  nv30_fb_init(struct drm_device *);
1080extern void nv30_fb_takedown(struct drm_device *);
1081extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1082				     uint32_t addr, uint32_t size,
1083				     uint32_t pitch, uint32_t flags);
1084extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1085
1086/* nv40_fb.c */
1087extern int  nv40_fb_init(struct drm_device *);
1088extern void nv40_fb_takedown(struct drm_device *);
1089extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1090
1091/* nv50_fb.c */
1092extern int  nv50_fb_init(struct drm_device *);
1093extern void nv50_fb_takedown(struct drm_device *);
1094extern void nv50_fb_vm_trap(struct drm_device *, int display);
1095
1096/* nvc0_fb.c */
1097extern int  nvc0_fb_init(struct drm_device *);
1098extern void nvc0_fb_takedown(struct drm_device *);
1099
1100/* nv04_fifo.c */
1101extern int  nv04_fifo_init(struct drm_device *);
1102extern void nv04_fifo_fini(struct drm_device *);
1103extern void nv04_fifo_disable(struct drm_device *);
1104extern void nv04_fifo_enable(struct drm_device *);
1105extern bool nv04_fifo_reassign(struct drm_device *, bool);
1106extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1107extern int  nv04_fifo_channel_id(struct drm_device *);
1108extern int  nv04_fifo_create_context(struct nouveau_channel *);
1109extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1110extern int  nv04_fifo_load_context(struct nouveau_channel *);
1111extern int  nv04_fifo_unload_context(struct drm_device *);
1112extern void nv04_fifo_isr(struct drm_device *);
1113
1114/* nv10_fifo.c */
1115extern int  nv10_fifo_init(struct drm_device *);
1116extern int  nv10_fifo_channel_id(struct drm_device *);
1117extern int  nv10_fifo_create_context(struct nouveau_channel *);
1118extern int  nv10_fifo_load_context(struct nouveau_channel *);
1119extern int  nv10_fifo_unload_context(struct drm_device *);
1120
1121/* nv40_fifo.c */
1122extern int  nv40_fifo_init(struct drm_device *);
1123extern int  nv40_fifo_create_context(struct nouveau_channel *);
1124extern int  nv40_fifo_load_context(struct nouveau_channel *);
1125extern int  nv40_fifo_unload_context(struct drm_device *);
1126
1127/* nv50_fifo.c */
1128extern int  nv50_fifo_init(struct drm_device *);
1129extern void nv50_fifo_takedown(struct drm_device *);
1130extern int  nv50_fifo_channel_id(struct drm_device *);
1131extern int  nv50_fifo_create_context(struct nouveau_channel *);
1132extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1133extern int  nv50_fifo_load_context(struct nouveau_channel *);
1134extern int  nv50_fifo_unload_context(struct drm_device *);
1135extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1136
1137/* nvc0_fifo.c */
1138extern int  nvc0_fifo_init(struct drm_device *);
1139extern void nvc0_fifo_takedown(struct drm_device *);
1140extern void nvc0_fifo_disable(struct drm_device *);
1141extern void nvc0_fifo_enable(struct drm_device *);
1142extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1143extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1144extern int  nvc0_fifo_channel_id(struct drm_device *);
1145extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1146extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1147extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1148extern int  nvc0_fifo_unload_context(struct drm_device *);
1149
1150/* nv04_graph.c */
1151extern int  nv04_graph_create(struct drm_device *);
1152extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1153extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1154				      u32 class, u32 mthd, u32 data);
1155extern struct nouveau_bitfield nv04_graph_nsource[];
1156
1157/* nv10_graph.c */
1158extern int  nv10_graph_create(struct drm_device *);
1159extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1160extern struct nouveau_bitfield nv10_graph_intr[];
1161extern struct nouveau_bitfield nv10_graph_nstatus[];
1162
1163/* nv20_graph.c */
1164extern int  nv20_graph_create(struct drm_device *);
1165
1166/* nv40_graph.c */
1167extern int  nv40_graph_create(struct drm_device *);
1168extern void nv40_grctx_init(struct nouveau_grctx *);
1169
1170/* nv50_graph.c */
1171extern int  nv50_graph_create(struct drm_device *);
1172extern int  nv50_grctx_init(struct nouveau_grctx *);
1173extern struct nouveau_enum nv50_data_error_names[];
1174extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1175
1176/* nvc0_graph.c */
1177extern int  nvc0_graph_create(struct drm_device *);
1178extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1179
1180/* nv84_crypt.c */
1181extern int  nv84_crypt_create(struct drm_device *);
1182
1183/* nva3_copy.c */
1184extern int  nva3_copy_create(struct drm_device *dev);
1185
1186/* nvc0_copy.c */
1187extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1188
1189/* nv40_mpeg.c */
1190extern int  nv40_mpeg_create(struct drm_device *dev);
1191
1192/* nv50_mpeg.c */
1193extern int  nv50_mpeg_create(struct drm_device *dev);
1194
1195/* nv04_instmem.c */
1196extern int  nv04_instmem_init(struct drm_device *);
1197extern void nv04_instmem_takedown(struct drm_device *);
1198extern int  nv04_instmem_suspend(struct drm_device *);
1199extern void nv04_instmem_resume(struct drm_device *);
1200extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1201			     u32 size, u32 align);
1202extern void nv04_instmem_put(struct nouveau_gpuobj *);
1203extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1204extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1205extern void nv04_instmem_flush(struct drm_device *);
1206
1207/* nv50_instmem.c */
1208extern int  nv50_instmem_init(struct drm_device *);
1209extern void nv50_instmem_takedown(struct drm_device *);
1210extern int  nv50_instmem_suspend(struct drm_device *);
1211extern void nv50_instmem_resume(struct drm_device *);
1212extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1213			     u32 size, u32 align);
1214extern void nv50_instmem_put(struct nouveau_gpuobj *);
1215extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1216extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1217extern void nv50_instmem_flush(struct drm_device *);
1218extern void nv84_instmem_flush(struct drm_device *);
1219
1220/* nvc0_instmem.c */
1221extern int  nvc0_instmem_init(struct drm_device *);
1222extern void nvc0_instmem_takedown(struct drm_device *);
1223extern int  nvc0_instmem_suspend(struct drm_device *);
1224extern void nvc0_instmem_resume(struct drm_device *);
1225
1226/* nv04_mc.c */
1227extern int  nv04_mc_init(struct drm_device *);
1228extern void nv04_mc_takedown(struct drm_device *);
1229
1230/* nv40_mc.c */
1231extern int  nv40_mc_init(struct drm_device *);
1232extern void nv40_mc_takedown(struct drm_device *);
1233
1234/* nv50_mc.c */
1235extern int  nv50_mc_init(struct drm_device *);
1236extern void nv50_mc_takedown(struct drm_device *);
1237
1238/* nv04_timer.c */
1239extern int  nv04_timer_init(struct drm_device *);
1240extern uint64_t nv04_timer_read(struct drm_device *);
1241extern void nv04_timer_takedown(struct drm_device *);
1242
1243extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1244				 unsigned long arg);
1245
1246/* nv04_dac.c */
1247extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1248extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1249extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1250extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1251extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1252
1253/* nv04_dfp.c */
1254extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1255extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1256extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1257			       int head, bool dl);
1258extern void nv04_dfp_disable(struct drm_device *dev, int head);
1259extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1260
1261/* nv04_tv.c */
1262extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1263extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1264
1265/* nv17_tv.c */
1266extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1267
1268/* nv04_display.c */
1269extern int nv04_display_early_init(struct drm_device *);
1270extern void nv04_display_late_takedown(struct drm_device *);
1271extern int nv04_display_create(struct drm_device *);
1272extern int nv04_display_init(struct drm_device *);
1273extern void nv04_display_destroy(struct drm_device *);
1274
1275/* nv04_crtc.c */
1276extern int nv04_crtc_create(struct drm_device *, int index);
1277
1278/* nouveau_bo.c */
1279extern struct ttm_bo_driver nouveau_bo_driver;
1280extern int nouveau_bo_new(struct drm_device *, int size, int align,
1281			  uint32_t flags, uint32_t tile_mode,
1282			  uint32_t tile_flags, struct nouveau_bo **);
1283extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1284extern int nouveau_bo_unpin(struct nouveau_bo *);
1285extern int nouveau_bo_map(struct nouveau_bo *);
1286extern void nouveau_bo_unmap(struct nouveau_bo *);
1287extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1288				     uint32_t busy);
1289extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1290extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1291extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1292extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1293extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1294extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1295			       bool no_wait_reserve, bool no_wait_gpu);
1296
1297extern struct nouveau_vma *
1298nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
1299extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
1300			       struct nouveau_vma *);
1301extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
1302
1303/* nouveau_fence.c */
1304struct nouveau_fence;
1305extern int nouveau_fence_init(struct drm_device *);
1306extern void nouveau_fence_fini(struct drm_device *);
1307extern int nouveau_fence_channel_init(struct nouveau_channel *);
1308extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1309extern void nouveau_fence_update(struct nouveau_channel *);
1310extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1311			     bool emit);
1312extern int nouveau_fence_emit(struct nouveau_fence *);
1313extern void nouveau_fence_work(struct nouveau_fence *fence,
1314			       void (*work)(void *priv, bool signalled),
1315			       void *priv);
1316struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1317
1318extern bool __nouveau_fence_signalled(void *obj, void *arg);
1319extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1320extern int __nouveau_fence_flush(void *obj, void *arg);
1321extern void __nouveau_fence_unref(void **obj);
1322extern void *__nouveau_fence_ref(void *obj);
1323
1324static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1325{
1326	return __nouveau_fence_signalled(obj, NULL);
1327}
1328static inline int
1329nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1330{
1331	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1332}
1333extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1334static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1335{
1336	return __nouveau_fence_flush(obj, NULL);
1337}
1338static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1339{
1340	__nouveau_fence_unref((void **)obj);
1341}
1342static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1343{
1344	return __nouveau_fence_ref(obj);
1345}
1346
1347/* nouveau_gem.c */
1348extern int nouveau_gem_new(struct drm_device *, int size, int align,
1349			   uint32_t domain, uint32_t tile_mode,
1350			   uint32_t tile_flags, struct nouveau_bo **);
1351extern int nouveau_gem_object_new(struct drm_gem_object *);
1352extern void nouveau_gem_object_del(struct drm_gem_object *);
1353extern int nouveau_gem_object_open(struct drm_gem_object *, struct drm_file *);
1354extern void nouveau_gem_object_close(struct drm_gem_object *,
1355				     struct drm_file *);
1356extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1357				 struct drm_file *);
1358extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1359				     struct drm_file *);
1360extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1361				      struct drm_file *);
1362extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1363				      struct drm_file *);
1364extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1365				  struct drm_file *);
1366
1367/* nouveau_display.c */
1368int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1369void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1370int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1371			   struct drm_pending_vblank_event *event);
1372int nouveau_finish_page_flip(struct nouveau_channel *,
1373			     struct nouveau_page_flip_state *);
1374
1375/* nv10_gpio.c */
1376int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1377int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1378
1379/* nv50_gpio.c */
1380int nv50_gpio_init(struct drm_device *dev);
1381void nv50_gpio_fini(struct drm_device *dev);
1382int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1383int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1384int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1385			    void (*)(void *, int), void *);
1386void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1387			      void (*)(void *, int), void *);
1388bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1389
1390/* nv50_calc. */
1391int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1392		  int *N1, int *M1, int *N2, int *M2, int *P);
1393int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1394		  int clk, int *N, int *fN, int *M, int *P);
1395
1396#ifndef ioread32_native
1397#ifdef __BIG_ENDIAN
1398#define ioread16_native ioread16be
1399#define iowrite16_native iowrite16be
1400#define ioread32_native  ioread32be
1401#define iowrite32_native iowrite32be
1402#else /* def __BIG_ENDIAN */
1403#define ioread16_native ioread16
1404#define iowrite16_native iowrite16
1405#define ioread32_native  ioread32
1406#define iowrite32_native iowrite32
1407#endif /* def __BIG_ENDIAN else */
1408#endif /* !ioread32_native */
1409
1410/* channel control reg access */
1411static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1412{
1413	return ioread32_native(chan->user + reg);
1414}
1415
1416static inline void nvchan_wr32(struct nouveau_channel *chan,
1417							unsigned reg, u32 val)
1418{
1419	iowrite32_native(val, chan->user + reg);
1420}
1421
1422/* register access */
1423static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1424{
1425	struct drm_nouveau_private *dev_priv = dev->dev_private;
1426	return ioread32_native(dev_priv->mmio + reg);
1427}
1428
1429static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1430{
1431	struct drm_nouveau_private *dev_priv = dev->dev_private;
1432	iowrite32_native(val, dev_priv->mmio + reg);
1433}
1434
1435static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1436{
1437	u32 tmp = nv_rd32(dev, reg);
1438	nv_wr32(dev, reg, (tmp & ~mask) | val);
1439	return tmp;
1440}
1441
1442static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1443{
1444	struct drm_nouveau_private *dev_priv = dev->dev_private;
1445	return ioread8(dev_priv->mmio + reg);
1446}
1447
1448static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1449{
1450	struct drm_nouveau_private *dev_priv = dev->dev_private;
1451	iowrite8(val, dev_priv->mmio + reg);
1452}
1453
1454#define nv_wait(dev, reg, mask, val) \
1455	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1456#define nv_wait_ne(dev, reg, mask, val) \
1457	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1458
1459/* PRAMIN access */
1460static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1461{
1462	struct drm_nouveau_private *dev_priv = dev->dev_private;
1463	return ioread32_native(dev_priv->ramin + offset);
1464}
1465
1466static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1467{
1468	struct drm_nouveau_private *dev_priv = dev->dev_private;
1469	iowrite32_native(val, dev_priv->ramin + offset);
1470}
1471
1472/* object access */
1473extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1474extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1475
1476/*
1477 * Logging
1478 * Argument d is (struct drm_device *).
1479 */
1480#define NV_PRINTK(level, d, fmt, arg...) \
1481	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1482					pci_name(d->pdev), ##arg)
1483#ifndef NV_DEBUG_NOTRACE
1484#define NV_DEBUG(d, fmt, arg...) do {                                          \
1485	if (drm_debug & DRM_UT_DRIVER) {                                       \
1486		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1487			  __LINE__, ##arg);                                    \
1488	}                                                                      \
1489} while (0)
1490#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1491	if (drm_debug & DRM_UT_KMS) {                                          \
1492		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1493			  __LINE__, ##arg);                                    \
1494	}                                                                      \
1495} while (0)
1496#else
1497#define NV_DEBUG(d, fmt, arg...) do {                                          \
1498	if (drm_debug & DRM_UT_DRIVER)                                         \
1499		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1500} while (0)
1501#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1502	if (drm_debug & DRM_UT_KMS)                                            \
1503		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1504} while (0)
1505#endif
1506#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1507#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1508#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1509#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1510#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1511
1512/* nouveau_reg_debug bitmask */
1513enum {
1514	NOUVEAU_REG_DEBUG_MC             = 0x1,
1515	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1516	NOUVEAU_REG_DEBUG_FB             = 0x4,
1517	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1518	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1519	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1520	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1521	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1522	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1523	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1524};
1525
1526#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1527	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1528		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1529} while (0)
1530
1531static inline bool
1532nv_two_heads(struct drm_device *dev)
1533{
1534	struct drm_nouveau_private *dev_priv = dev->dev_private;
1535	const int impl = dev->pci_device & 0x0ff0;
1536
1537	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1538	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1539		return true;
1540
1541	return false;
1542}
1543
1544static inline bool
1545nv_gf4_disp_arch(struct drm_device *dev)
1546{
1547	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1548}
1549
1550static inline bool
1551nv_two_reg_pll(struct drm_device *dev)
1552{
1553	struct drm_nouveau_private *dev_priv = dev->dev_private;
1554	const int impl = dev->pci_device & 0x0ff0;
1555
1556	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1557		return true;
1558	return false;
1559}
1560
1561static inline bool
1562nv_match_device(struct drm_device *dev, unsigned device,
1563		unsigned sub_vendor, unsigned sub_device)
1564{
1565	return dev->pdev->device == device &&
1566		dev->pdev->subsystem_vendor == sub_vendor &&
1567		dev->pdev->subsystem_device == sub_device;
1568}
1569
1570static inline void *
1571nv_engine(struct drm_device *dev, int engine)
1572{
1573	struct drm_nouveau_private *dev_priv = dev->dev_private;
1574	return (void *)dev_priv->eng[engine];
1575}
1576
1577/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1578 * helpful to determine a number of other hardware features
1579 */
1580static inline int
1581nv44_graph_class(struct drm_device *dev)
1582{
1583	struct drm_nouveau_private *dev_priv = dev->dev_private;
1584
1585	if ((dev_priv->chipset & 0xf0) == 0x60)
1586		return 1;
1587
1588	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1589}
1590
1591/* memory type/access flags, do not match hardware values */
1592#define NV_MEM_ACCESS_RO  1
1593#define NV_MEM_ACCESS_WO  2
1594#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1595#define NV_MEM_ACCESS_SYS 4
1596#define NV_MEM_ACCESS_VM  8
1597
1598#define NV_MEM_TARGET_VRAM        0
1599#define NV_MEM_TARGET_PCI         1
1600#define NV_MEM_TARGET_PCI_NOSNOOP 2
1601#define NV_MEM_TARGET_VM          3
1602#define NV_MEM_TARGET_GART        4
1603
1604#define NV_MEM_TYPE_VM 0x7f
1605#define NV_MEM_COMP_VM 0x03
1606
1607/* NV_SW object class */
1608#define NV_SW                                                        0x0000506e
1609#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1610#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1611#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1612#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1613#define NV_SW_YIELD                                                  0x00000080
1614#define NV_SW_DMA_VBLSEM                                             0x0000018c
1615#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1616#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1617#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1618#define NV_SW_PAGE_FLIP                                              0x00000500
1619
1620#endif /* __NOUVEAU_DRV_H__ */
1621