nouveau_drv.h revision 60d2a88ae896ae51c76f8b15c2f4b762d5b00864
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	struct ttm_object_file *tfile;
50};
51
52#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
53
54#include "nouveau_drm.h"
55#include "nouveau_reg.h"
56#include "nouveau_bios.h"
57#include "nouveau_util.h"
58
59struct nouveau_grctx;
60struct nouveau_vram;
61#include "nouveau_vm.h"
62
63#define MAX_NUM_DCB_ENTRIES 16
64
65#define NOUVEAU_MAX_CHANNEL_NR 128
66#define NOUVEAU_MAX_TILE_NR 15
67
68struct nouveau_vram {
69	struct drm_device *dev;
70
71	struct nouveau_vma bar_vma;
72
73	struct list_head regions;
74	u32 memtype;
75	u64 offset;
76	u64 size;
77};
78
79struct nouveau_tile_reg {
80	bool used;
81	uint32_t addr;
82	uint32_t limit;
83	uint32_t pitch;
84	uint32_t zcomp;
85	struct drm_mm_node *tag_mem;
86	struct nouveau_fence *fence;
87};
88
89struct nouveau_bo {
90	struct ttm_buffer_object bo;
91	struct ttm_placement placement;
92	u32 placements[3];
93	u32 busy_placements[3];
94	struct ttm_bo_kmap_obj kmap;
95	struct list_head head;
96
97	/* protected by ttm_bo_reserve() */
98	struct drm_file *reserved_by;
99	struct list_head entry;
100	int pbbo_index;
101	bool validate_mapped;
102
103	struct nouveau_channel *channel;
104
105	struct nouveau_vma vma;
106	bool mappable;
107	bool no_vm;
108
109	uint32_t tile_mode;
110	uint32_t tile_flags;
111	struct nouveau_tile_reg *tile;
112
113	struct drm_gem_object *gem;
114	int pin_refcnt;
115};
116
117#define nouveau_bo_tile_layout(nvbo)				\
118	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
119
120static inline struct nouveau_bo *
121nouveau_bo(struct ttm_buffer_object *bo)
122{
123	return container_of(bo, struct nouveau_bo, bo);
124}
125
126static inline struct nouveau_bo *
127nouveau_gem_object(struct drm_gem_object *gem)
128{
129	return gem ? gem->driver_private : NULL;
130}
131
132/* TODO: submit equivalent to TTM generic API upstream? */
133static inline void __iomem *
134nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
135{
136	bool is_iomem;
137	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
138						&nvbo->kmap, &is_iomem);
139	WARN_ON_ONCE(ioptr && !is_iomem);
140	return ioptr;
141}
142
143enum nouveau_flags {
144	NV_NFORCE   = 0x10000000,
145	NV_NFORCE2  = 0x20000000
146};
147
148#define NVOBJ_ENGINE_SW		0
149#define NVOBJ_ENGINE_GR		1
150#define NVOBJ_ENGINE_PPP	2
151#define NVOBJ_ENGINE_COPY	3
152#define NVOBJ_ENGINE_VP		4
153#define NVOBJ_ENGINE_CRYPT      5
154#define NVOBJ_ENGINE_BSP	6
155#define NVOBJ_ENGINE_DISPLAY	0xcafe0001
156#define NVOBJ_ENGINE_INT	0xdeadbeef
157
158#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
159#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
160#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
161#define NVOBJ_FLAG_VM			(1 << 3)
162
163#define NVOBJ_CINST_GLOBAL	0xdeadbeef
164
165struct nouveau_gpuobj {
166	struct drm_device *dev;
167	struct kref refcount;
168	struct list_head list;
169
170	void *node;
171	u32 *suspend;
172
173	uint32_t flags;
174
175	u32 size;
176	u32 pinst;
177	u32 cinst;
178	u64 vinst;
179
180	uint32_t engine;
181	uint32_t class;
182
183	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
184	void *priv;
185};
186
187struct nouveau_page_flip_state {
188	struct list_head head;
189	struct drm_pending_vblank_event *event;
190	int crtc, bpp, pitch, x, y;
191	uint64_t offset;
192};
193
194enum nouveau_channel_mutex_class {
195	NOUVEAU_UCHANNEL_MUTEX,
196	NOUVEAU_KCHANNEL_MUTEX
197};
198
199struct nouveau_channel {
200	struct drm_device *dev;
201	int id;
202
203	/* references to the channel data structure */
204	struct kref ref;
205	/* users of the hardware channel resources, the hardware
206	 * context will be kicked off when it reaches zero. */
207	atomic_t users;
208	struct mutex mutex;
209
210	/* owner of this fifo */
211	struct drm_file *file_priv;
212	/* mapping of the fifo itself */
213	struct drm_local_map *map;
214
215	/* mapping of the regs controling the fifo */
216	void __iomem *user;
217	uint32_t user_get;
218	uint32_t user_put;
219
220	/* Fencing */
221	struct {
222		/* lock protects the pending list only */
223		spinlock_t lock;
224		struct list_head pending;
225		uint32_t sequence;
226		uint32_t sequence_ack;
227		atomic_t last_sequence_irq;
228	} fence;
229
230	/* DMA push buffer */
231	struct nouveau_gpuobj *pushbuf;
232	struct nouveau_bo     *pushbuf_bo;
233	uint32_t               pushbuf_base;
234
235	/* Notifier memory */
236	struct nouveau_bo *notifier_bo;
237	struct drm_mm notifier_heap;
238
239	/* PFIFO context */
240	struct nouveau_gpuobj *ramfc;
241	struct nouveau_gpuobj *cache;
242
243	/* PGRAPH context */
244	/* XXX may be merge 2 pointers as private data ??? */
245	struct nouveau_gpuobj *ramin_grctx;
246	struct nouveau_gpuobj *crypt_ctx;
247	void *pgraph_ctx;
248
249	/* NV50 VM */
250	struct nouveau_vm     *vm;
251	struct nouveau_gpuobj *vm_pd;
252
253	/* Objects */
254	struct nouveau_gpuobj *ramin; /* Private instmem */
255	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
256	struct nouveau_ramht  *ramht; /* Hash table */
257
258	/* GPU object info for stuff used in-kernel (mm_enabled) */
259	uint32_t m2mf_ntfy;
260	uint32_t vram_handle;
261	uint32_t gart_handle;
262	bool accel_done;
263
264	/* Push buffer state (only for drm's channel on !mm_enabled) */
265	struct {
266		int max;
267		int free;
268		int cur;
269		int put;
270		/* access via pushbuf_bo */
271
272		int ib_base;
273		int ib_max;
274		int ib_free;
275		int ib_put;
276	} dma;
277
278	uint32_t sw_subchannel[8];
279
280	struct {
281		struct nouveau_gpuobj *vblsem;
282		uint32_t vblsem_head;
283		uint32_t vblsem_offset;
284		uint32_t vblsem_rval;
285		struct list_head vbl_wait;
286		struct list_head flip;
287	} nvsw;
288
289	struct {
290		bool active;
291		char name[32];
292		struct drm_info_list info;
293	} debugfs;
294};
295
296struct nouveau_instmem_engine {
297	void	*priv;
298
299	int	(*init)(struct drm_device *dev);
300	void	(*takedown)(struct drm_device *dev);
301	int	(*suspend)(struct drm_device *dev);
302	void	(*resume)(struct drm_device *dev);
303
304	int	(*get)(struct nouveau_gpuobj *, u32 size, u32 align);
305	void	(*put)(struct nouveau_gpuobj *);
306	int	(*map)(struct nouveau_gpuobj *);
307	void	(*unmap)(struct nouveau_gpuobj *);
308
309	void	(*flush)(struct drm_device *);
310};
311
312struct nouveau_mc_engine {
313	int  (*init)(struct drm_device *dev);
314	void (*takedown)(struct drm_device *dev);
315};
316
317struct nouveau_timer_engine {
318	int      (*init)(struct drm_device *dev);
319	void     (*takedown)(struct drm_device *dev);
320	uint64_t (*read)(struct drm_device *dev);
321};
322
323struct nouveau_fb_engine {
324	int num_tiles;
325	struct drm_mm tag_heap;
326	void *priv;
327
328	int  (*init)(struct drm_device *dev);
329	void (*takedown)(struct drm_device *dev);
330
331	void (*init_tile_region)(struct drm_device *dev, int i,
332				 uint32_t addr, uint32_t size,
333				 uint32_t pitch, uint32_t flags);
334	void (*set_tile_region)(struct drm_device *dev, int i);
335	void (*free_tile_region)(struct drm_device *dev, int i);
336};
337
338struct nouveau_fifo_engine {
339	int  channels;
340
341	struct nouveau_gpuobj *playlist[2];
342	int cur_playlist;
343
344	int  (*init)(struct drm_device *);
345	void (*takedown)(struct drm_device *);
346
347	void (*disable)(struct drm_device *);
348	void (*enable)(struct drm_device *);
349	bool (*reassign)(struct drm_device *, bool enable);
350	bool (*cache_pull)(struct drm_device *dev, bool enable);
351
352	int  (*channel_id)(struct drm_device *);
353
354	int  (*create_context)(struct nouveau_channel *);
355	void (*destroy_context)(struct nouveau_channel *);
356	int  (*load_context)(struct nouveau_channel *);
357	int  (*unload_context)(struct drm_device *);
358	void (*tlb_flush)(struct drm_device *dev);
359};
360
361struct nouveau_pgraph_engine {
362	bool accel_blocked;
363	bool registered;
364	int grctx_size;
365
366	/* NV2x/NV3x context table (0x400780) */
367	struct nouveau_gpuobj *ctx_table;
368
369	int  (*init)(struct drm_device *);
370	void (*takedown)(struct drm_device *);
371
372	void (*fifo_access)(struct drm_device *, bool);
373
374	struct nouveau_channel *(*channel)(struct drm_device *);
375	int  (*create_context)(struct nouveau_channel *);
376	void (*destroy_context)(struct nouveau_channel *);
377	int  (*load_context)(struct nouveau_channel *);
378	int  (*unload_context)(struct drm_device *);
379	void (*tlb_flush)(struct drm_device *dev);
380
381	void (*set_tile_region)(struct drm_device *dev, int i);
382};
383
384struct nouveau_display_engine {
385	int (*early_init)(struct drm_device *);
386	void (*late_takedown)(struct drm_device *);
387	int (*create)(struct drm_device *);
388	int (*init)(struct drm_device *);
389	void (*destroy)(struct drm_device *);
390};
391
392struct nouveau_gpio_engine {
393	void *priv;
394
395	int  (*init)(struct drm_device *);
396	void (*takedown)(struct drm_device *);
397
398	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
399	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
400
401	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
402			     void (*)(void *, int), void *);
403	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
404			       void (*)(void *, int), void *);
405	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
406};
407
408struct nouveau_pm_voltage_level {
409	u8 voltage;
410	u8 vid;
411};
412
413struct nouveau_pm_voltage {
414	bool supported;
415	u8 vid_mask;
416
417	struct nouveau_pm_voltage_level *level;
418	int nr_level;
419};
420
421#define NOUVEAU_PM_MAX_LEVEL 8
422struct nouveau_pm_level {
423	struct device_attribute dev_attr;
424	char name[32];
425	int id;
426
427	u32 core;
428	u32 memory;
429	u32 shader;
430	u32 unk05;
431
432	u8 voltage;
433	u8 fanspeed;
434
435	u16 memscript;
436};
437
438struct nouveau_pm_temp_sensor_constants {
439	u16 offset_constant;
440	s16 offset_mult;
441	u16 offset_div;
442	u16 slope_mult;
443	u16 slope_div;
444};
445
446struct nouveau_pm_threshold_temp {
447	s16 critical;
448	s16 down_clock;
449	s16 fan_boost;
450};
451
452struct nouveau_pm_memtiming {
453	u32 reg_100220;
454	u32 reg_100224;
455	u32 reg_100228;
456	u32 reg_10022c;
457	u32 reg_100230;
458	u32 reg_100234;
459	u32 reg_100238;
460	u32 reg_10023c;
461};
462
463struct nouveau_pm_memtimings {
464	bool supported;
465	struct nouveau_pm_memtiming *timing;
466	int nr_timing;
467};
468
469struct nouveau_pm_engine {
470	struct nouveau_pm_voltage voltage;
471	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
472	int nr_perflvl;
473	struct nouveau_pm_memtimings memtimings;
474	struct nouveau_pm_temp_sensor_constants sensor_constants;
475	struct nouveau_pm_threshold_temp threshold_temp;
476
477	struct nouveau_pm_level boot;
478	struct nouveau_pm_level *cur;
479
480	struct device *hwmon;
481	struct notifier_block acpi_nb;
482
483	int (*clock_get)(struct drm_device *, u32 id);
484	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
485			   u32 id, int khz);
486	void (*clock_set)(struct drm_device *, void *);
487	int (*voltage_get)(struct drm_device *);
488	int (*voltage_set)(struct drm_device *, int voltage);
489	int (*fanspeed_get)(struct drm_device *);
490	int (*fanspeed_set)(struct drm_device *, int fanspeed);
491	int (*temp_get)(struct drm_device *);
492};
493
494struct nouveau_crypt_engine {
495	bool registered;
496
497	int  (*init)(struct drm_device *);
498	void (*takedown)(struct drm_device *);
499	int  (*create_context)(struct nouveau_channel *);
500	void (*destroy_context)(struct nouveau_channel *);
501	void (*tlb_flush)(struct drm_device *dev);
502};
503
504struct nouveau_vram_engine {
505	int  (*init)(struct drm_device *);
506	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
507		    u32 type, struct nouveau_vram **);
508	void (*put)(struct drm_device *, struct nouveau_vram **);
509
510	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
511};
512
513struct nouveau_engine {
514	struct nouveau_instmem_engine instmem;
515	struct nouveau_mc_engine      mc;
516	struct nouveau_timer_engine   timer;
517	struct nouveau_fb_engine      fb;
518	struct nouveau_pgraph_engine  graph;
519	struct nouveau_fifo_engine    fifo;
520	struct nouveau_display_engine display;
521	struct nouveau_gpio_engine    gpio;
522	struct nouveau_pm_engine      pm;
523	struct nouveau_crypt_engine   crypt;
524	struct nouveau_vram_engine    vram;
525};
526
527struct nouveau_pll_vals {
528	union {
529		struct {
530#ifdef __BIG_ENDIAN
531			uint8_t N1, M1, N2, M2;
532#else
533			uint8_t M1, N1, M2, N2;
534#endif
535		};
536		struct {
537			uint16_t NM1, NM2;
538		} __attribute__((packed));
539	};
540	int log2P;
541
542	int refclk;
543};
544
545enum nv04_fp_display_regs {
546	FP_DISPLAY_END,
547	FP_TOTAL,
548	FP_CRTC,
549	FP_SYNC_START,
550	FP_SYNC_END,
551	FP_VALID_START,
552	FP_VALID_END
553};
554
555struct nv04_crtc_reg {
556	unsigned char MiscOutReg;
557	uint8_t CRTC[0xa0];
558	uint8_t CR58[0x10];
559	uint8_t Sequencer[5];
560	uint8_t Graphics[9];
561	uint8_t Attribute[21];
562	unsigned char DAC[768];
563
564	/* PCRTC regs */
565	uint32_t fb_start;
566	uint32_t crtc_cfg;
567	uint32_t cursor_cfg;
568	uint32_t gpio_ext;
569	uint32_t crtc_830;
570	uint32_t crtc_834;
571	uint32_t crtc_850;
572	uint32_t crtc_eng_ctrl;
573
574	/* PRAMDAC regs */
575	uint32_t nv10_cursync;
576	struct nouveau_pll_vals pllvals;
577	uint32_t ramdac_gen_ctrl;
578	uint32_t ramdac_630;
579	uint32_t ramdac_634;
580	uint32_t tv_setup;
581	uint32_t tv_vtotal;
582	uint32_t tv_vskew;
583	uint32_t tv_vsync_delay;
584	uint32_t tv_htotal;
585	uint32_t tv_hskew;
586	uint32_t tv_hsync_delay;
587	uint32_t tv_hsync_delay2;
588	uint32_t fp_horiz_regs[7];
589	uint32_t fp_vert_regs[7];
590	uint32_t dither;
591	uint32_t fp_control;
592	uint32_t dither_regs[6];
593	uint32_t fp_debug_0;
594	uint32_t fp_debug_1;
595	uint32_t fp_debug_2;
596	uint32_t fp_margin_color;
597	uint32_t ramdac_8c0;
598	uint32_t ramdac_a20;
599	uint32_t ramdac_a24;
600	uint32_t ramdac_a34;
601	uint32_t ctv_regs[38];
602};
603
604struct nv04_output_reg {
605	uint32_t output;
606	int head;
607};
608
609struct nv04_mode_state {
610	struct nv04_crtc_reg crtc_reg[2];
611	uint32_t pllsel;
612	uint32_t sel_clk;
613};
614
615enum nouveau_card_type {
616	NV_04      = 0x00,
617	NV_10      = 0x10,
618	NV_20      = 0x20,
619	NV_30      = 0x30,
620	NV_40      = 0x40,
621	NV_50      = 0x50,
622	NV_C0      = 0xc0,
623};
624
625struct drm_nouveau_private {
626	struct drm_device *dev;
627
628	/* the card type, takes NV_* as values */
629	enum nouveau_card_type card_type;
630	/* exact chipset, derived from NV_PMC_BOOT_0 */
631	int chipset;
632	int flags;
633
634	void __iomem *mmio;
635
636	spinlock_t ramin_lock;
637	void __iomem *ramin;
638	u32 ramin_size;
639	u32 ramin_base;
640	bool ramin_available;
641	struct drm_mm ramin_heap;
642	struct list_head gpuobj_list;
643	struct list_head classes;
644
645	struct nouveau_bo *vga_ram;
646
647	/* interrupt handling */
648	void (*irq_handler[32])(struct drm_device *);
649	bool msi_enabled;
650	struct workqueue_struct *wq;
651	struct work_struct irq_work;
652
653	struct list_head vbl_waiting;
654
655	struct {
656		struct drm_global_reference mem_global_ref;
657		struct ttm_bo_global_ref bo_global_ref;
658		struct ttm_bo_device bdev;
659		atomic_t validate_sequence;
660	} ttm;
661
662	struct {
663		spinlock_t lock;
664		struct drm_mm heap;
665		struct nouveau_bo *bo;
666	} fence;
667
668	struct {
669		spinlock_t lock;
670		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
671	} channels;
672
673	struct nouveau_engine engine;
674	struct nouveau_channel *channel;
675
676	/* For PFIFO and PGRAPH. */
677	spinlock_t context_switch_lock;
678
679	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
680	struct nouveau_ramht  *ramht;
681	struct nouveau_gpuobj *ramfc;
682	struct nouveau_gpuobj *ramro;
683
684	uint32_t ramin_rsvd_vram;
685
686	struct {
687		enum {
688			NOUVEAU_GART_NONE = 0,
689			NOUVEAU_GART_AGP,
690			NOUVEAU_GART_SGDMA
691		} type;
692		uint64_t aper_base;
693		uint64_t aper_size;
694		uint64_t aper_free;
695
696		struct nouveau_gpuobj *sg_ctxdma;
697		struct nouveau_vma vma;
698	} gart_info;
699
700	/* nv10-nv40 tiling regions */
701	struct {
702		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
703		spinlock_t lock;
704	} tile;
705
706	/* VRAM/fb configuration */
707	uint64_t vram_size;
708	uint64_t vram_sys_base;
709	u32 vram_rblock_size;
710
711	uint64_t fb_phys;
712	uint64_t fb_available_size;
713	uint64_t fb_mappable_pages;
714	uint64_t fb_aper_free;
715	int fb_mtrr;
716
717	/* BAR control (NV50-) */
718	struct nouveau_vm *bar1_vm;
719	struct nouveau_vm *bar3_vm;
720
721	/* G8x/G9x virtual address space */
722	struct nouveau_vm *chan_vm;
723
724	struct nvbios vbios;
725
726	struct nv04_mode_state mode_reg;
727	struct nv04_mode_state saved_reg;
728	uint32_t saved_vga_font[4][16384];
729	uint32_t crtc_owner;
730	uint32_t dac_users[4];
731
732	struct nouveau_suspend_resume {
733		uint32_t *ramin_copy;
734	} susres;
735
736	struct backlight_device *backlight;
737
738	struct nouveau_channel *evo;
739	u32 evo_alloc;
740	struct {
741		struct dcb_entry *dcb;
742		u16 script;
743		u32 pclk;
744	} evo_irq;
745
746	struct {
747		struct dentry *channel_root;
748	} debugfs;
749
750	struct nouveau_fbdev *nfbdev;
751	struct apertures_struct *apertures;
752};
753
754static inline struct drm_nouveau_private *
755nouveau_private(struct drm_device *dev)
756{
757	return dev->dev_private;
758}
759
760static inline struct drm_nouveau_private *
761nouveau_bdev(struct ttm_bo_device *bd)
762{
763	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
764}
765
766static inline int
767nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
768{
769	struct nouveau_bo *prev;
770
771	if (!pnvbo)
772		return -EINVAL;
773	prev = *pnvbo;
774
775	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
776	if (prev) {
777		struct ttm_buffer_object *bo = &prev->bo;
778
779		ttm_bo_unref(&bo);
780	}
781
782	return 0;
783}
784
785/* nouveau_drv.c */
786extern int nouveau_agpmode;
787extern int nouveau_duallink;
788extern int nouveau_uscript_lvds;
789extern int nouveau_uscript_tmds;
790extern int nouveau_vram_pushbuf;
791extern int nouveau_vram_notify;
792extern int nouveau_fbpercrtc;
793extern int nouveau_tv_disable;
794extern char *nouveau_tv_norm;
795extern int nouveau_reg_debug;
796extern char *nouveau_vbios;
797extern int nouveau_ignorelid;
798extern int nouveau_nofbaccel;
799extern int nouveau_noaccel;
800extern int nouveau_force_post;
801extern int nouveau_override_conntype;
802extern char *nouveau_perflvl;
803extern int nouveau_perflvl_wr;
804extern int nouveau_msi;
805
806extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
807extern int nouveau_pci_resume(struct pci_dev *pdev);
808
809/* nouveau_state.c */
810extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
811extern int  nouveau_load(struct drm_device *, unsigned long flags);
812extern int  nouveau_firstopen(struct drm_device *);
813extern void nouveau_lastclose(struct drm_device *);
814extern int  nouveau_unload(struct drm_device *);
815extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
816				   struct drm_file *);
817extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
818				   struct drm_file *);
819extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
820			    uint32_t reg, uint32_t mask, uint32_t val);
821extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
822			    uint32_t reg, uint32_t mask, uint32_t val);
823extern bool nouveau_wait_for_idle(struct drm_device *);
824extern int  nouveau_card_init(struct drm_device *);
825
826/* nouveau_mem.c */
827extern int  nouveau_mem_vram_init(struct drm_device *);
828extern void nouveau_mem_vram_fini(struct drm_device *);
829extern int  nouveau_mem_gart_init(struct drm_device *);
830extern void nouveau_mem_gart_fini(struct drm_device *);
831extern int  nouveau_mem_init_agp(struct drm_device *);
832extern int  nouveau_mem_reset_agp(struct drm_device *);
833extern void nouveau_mem_close(struct drm_device *);
834extern int  nouveau_mem_detect(struct drm_device *);
835extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
836extern struct nouveau_tile_reg *nv10_mem_set_tiling(
837	struct drm_device *dev, uint32_t addr, uint32_t size,
838	uint32_t pitch, uint32_t flags);
839extern void nv10_mem_put_tile_region(struct drm_device *dev,
840				     struct nouveau_tile_reg *tile,
841				     struct nouveau_fence *fence);
842extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
843
844/* nouveau_notifier.c */
845extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
846extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
847extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
848				   int cout, uint32_t *offset);
849extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
850extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
851					 struct drm_file *);
852extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
853					struct drm_file *);
854
855/* nouveau_channel.c */
856extern struct drm_ioctl_desc nouveau_ioctls[];
857extern int nouveau_max_ioctl;
858extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
859extern int  nouveau_channel_alloc(struct drm_device *dev,
860				  struct nouveau_channel **chan,
861				  struct drm_file *file_priv,
862				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
863extern struct nouveau_channel *
864nouveau_channel_get_unlocked(struct nouveau_channel *);
865extern struct nouveau_channel *
866nouveau_channel_get(struct drm_device *, struct drm_file *, int id);
867extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
868extern void nouveau_channel_put(struct nouveau_channel **);
869extern void nouveau_channel_ref(struct nouveau_channel *chan,
870				struct nouveau_channel **pchan);
871extern void nouveau_channel_idle(struct nouveau_channel *chan);
872
873/* nouveau_object.c */
874#define NVOBJ_CLASS(d,c,e) do {                                                \
875	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
876	if (ret)                                                               \
877		return ret;                                                    \
878} while(0)
879
880#define NVOBJ_MTHD(d,c,m,e) do {                                               \
881	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
882	if (ret)                                                               \
883		return ret;                                                    \
884} while(0)
885
886extern int  nouveau_gpuobj_early_init(struct drm_device *);
887extern int  nouveau_gpuobj_init(struct drm_device *);
888extern void nouveau_gpuobj_takedown(struct drm_device *);
889extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
890extern void nouveau_gpuobj_resume(struct drm_device *dev);
891extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
892extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
893				    int (*exec)(struct nouveau_channel *,
894					        u32 class, u32 mthd, u32 data));
895extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
896extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
897extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
898				       uint32_t vram_h, uint32_t tt_h);
899extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
900extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
901			      uint32_t size, int align, uint32_t flags,
902			      struct nouveau_gpuobj **);
903extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
904			       struct nouveau_gpuobj **);
905extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
906				   u32 size, u32 flags,
907				   struct nouveau_gpuobj **);
908extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
909				  uint64_t offset, uint64_t size, int access,
910				  int target, struct nouveau_gpuobj **);
911extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
912extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
913			       u64 size, int target, int access, u32 type,
914			       u32 comp, struct nouveau_gpuobj **pobj);
915extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
916				 int class, u64 base, u64 size, int target,
917				 int access, u32 type, u32 comp);
918extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
919				     struct drm_file *);
920extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
921				     struct drm_file *);
922
923/* nouveau_irq.c */
924extern int         nouveau_irq_init(struct drm_device *);
925extern void        nouveau_irq_fini(struct drm_device *);
926extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
927extern void        nouveau_irq_register(struct drm_device *, int status_bit,
928					void (*)(struct drm_device *));
929extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
930extern void        nouveau_irq_preinstall(struct drm_device *);
931extern int         nouveau_irq_postinstall(struct drm_device *);
932extern void        nouveau_irq_uninstall(struct drm_device *);
933
934/* nouveau_sgdma.c */
935extern int nouveau_sgdma_init(struct drm_device *);
936extern void nouveau_sgdma_takedown(struct drm_device *);
937extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
938				  uint32_t *page);
939extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
940
941/* nouveau_debugfs.c */
942#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
943extern int  nouveau_debugfs_init(struct drm_minor *);
944extern void nouveau_debugfs_takedown(struct drm_minor *);
945extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
946extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
947#else
948static inline int
949nouveau_debugfs_init(struct drm_minor *minor)
950{
951	return 0;
952}
953
954static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
955{
956}
957
958static inline int
959nouveau_debugfs_channel_init(struct nouveau_channel *chan)
960{
961	return 0;
962}
963
964static inline void
965nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
966{
967}
968#endif
969
970/* nouveau_dma.c */
971extern void nouveau_dma_pre_init(struct nouveau_channel *);
972extern int  nouveau_dma_init(struct nouveau_channel *);
973extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
974
975/* nouveau_acpi.c */
976#define ROM_BIOS_PAGE 4096
977#if defined(CONFIG_ACPI)
978void nouveau_register_dsm_handler(void);
979void nouveau_unregister_dsm_handler(void);
980int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
981bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
982int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
983#else
984static inline void nouveau_register_dsm_handler(void) {}
985static inline void nouveau_unregister_dsm_handler(void) {}
986static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
987static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
988static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
989#endif
990
991/* nouveau_backlight.c */
992#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
993extern int nouveau_backlight_init(struct drm_device *);
994extern void nouveau_backlight_exit(struct drm_device *);
995#else
996static inline int nouveau_backlight_init(struct drm_device *dev)
997{
998	return 0;
999}
1000
1001static inline void nouveau_backlight_exit(struct drm_device *dev) { }
1002#endif
1003
1004/* nouveau_bios.c */
1005extern int nouveau_bios_init(struct drm_device *);
1006extern void nouveau_bios_takedown(struct drm_device *dev);
1007extern int nouveau_run_vbios_init(struct drm_device *);
1008extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1009					struct dcb_entry *);
1010extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1011						      enum dcb_gpio_tag);
1012extern struct dcb_connector_table_entry *
1013nouveau_bios_connector_entry(struct drm_device *, int index);
1014extern u32 get_pll_register(struct drm_device *, enum pll_types);
1015extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1016			  struct pll_lims *);
1017extern int nouveau_bios_run_display_table(struct drm_device *,
1018					  struct dcb_entry *,
1019					  uint32_t script, int pxclk);
1020extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1021				   int *length);
1022extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1023extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1024extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1025					 bool *dl, bool *if_is_24bit);
1026extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1027			  int head, int pxclk);
1028extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1029			    enum LVDS_script, int pxclk);
1030
1031/* nouveau_ttm.c */
1032int nouveau_ttm_global_init(struct drm_nouveau_private *);
1033void nouveau_ttm_global_release(struct drm_nouveau_private *);
1034int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1035
1036/* nouveau_dp.c */
1037int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1038		     uint8_t *data, int data_nr);
1039bool nouveau_dp_detect(struct drm_encoder *);
1040bool nouveau_dp_link_train(struct drm_encoder *);
1041
1042/* nv04_fb.c */
1043extern int  nv04_fb_init(struct drm_device *);
1044extern void nv04_fb_takedown(struct drm_device *);
1045
1046/* nv10_fb.c */
1047extern int  nv10_fb_init(struct drm_device *);
1048extern void nv10_fb_takedown(struct drm_device *);
1049extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1050				     uint32_t addr, uint32_t size,
1051				     uint32_t pitch, uint32_t flags);
1052extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1053extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1054
1055/* nv30_fb.c */
1056extern int  nv30_fb_init(struct drm_device *);
1057extern void nv30_fb_takedown(struct drm_device *);
1058extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1059				     uint32_t addr, uint32_t size,
1060				     uint32_t pitch, uint32_t flags);
1061extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1062
1063/* nv40_fb.c */
1064extern int  nv40_fb_init(struct drm_device *);
1065extern void nv40_fb_takedown(struct drm_device *);
1066extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1067
1068/* nv50_fb.c */
1069extern int  nv50_fb_init(struct drm_device *);
1070extern void nv50_fb_takedown(struct drm_device *);
1071extern void nv50_fb_vm_trap(struct drm_device *, int display, const char *);
1072
1073/* nvc0_fb.c */
1074extern int  nvc0_fb_init(struct drm_device *);
1075extern void nvc0_fb_takedown(struct drm_device *);
1076
1077/* nv04_fifo.c */
1078extern int  nv04_fifo_init(struct drm_device *);
1079extern void nv04_fifo_fini(struct drm_device *);
1080extern void nv04_fifo_disable(struct drm_device *);
1081extern void nv04_fifo_enable(struct drm_device *);
1082extern bool nv04_fifo_reassign(struct drm_device *, bool);
1083extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1084extern int  nv04_fifo_channel_id(struct drm_device *);
1085extern int  nv04_fifo_create_context(struct nouveau_channel *);
1086extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1087extern int  nv04_fifo_load_context(struct nouveau_channel *);
1088extern int  nv04_fifo_unload_context(struct drm_device *);
1089extern void nv04_fifo_isr(struct drm_device *);
1090
1091/* nv10_fifo.c */
1092extern int  nv10_fifo_init(struct drm_device *);
1093extern int  nv10_fifo_channel_id(struct drm_device *);
1094extern int  nv10_fifo_create_context(struct nouveau_channel *);
1095extern int  nv10_fifo_load_context(struct nouveau_channel *);
1096extern int  nv10_fifo_unload_context(struct drm_device *);
1097
1098/* nv40_fifo.c */
1099extern int  nv40_fifo_init(struct drm_device *);
1100extern int  nv40_fifo_create_context(struct nouveau_channel *);
1101extern int  nv40_fifo_load_context(struct nouveau_channel *);
1102extern int  nv40_fifo_unload_context(struct drm_device *);
1103
1104/* nv50_fifo.c */
1105extern int  nv50_fifo_init(struct drm_device *);
1106extern void nv50_fifo_takedown(struct drm_device *);
1107extern int  nv50_fifo_channel_id(struct drm_device *);
1108extern int  nv50_fifo_create_context(struct nouveau_channel *);
1109extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1110extern int  nv50_fifo_load_context(struct nouveau_channel *);
1111extern int  nv50_fifo_unload_context(struct drm_device *);
1112extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1113
1114/* nvc0_fifo.c */
1115extern int  nvc0_fifo_init(struct drm_device *);
1116extern void nvc0_fifo_takedown(struct drm_device *);
1117extern void nvc0_fifo_disable(struct drm_device *);
1118extern void nvc0_fifo_enable(struct drm_device *);
1119extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1120extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1121extern int  nvc0_fifo_channel_id(struct drm_device *);
1122extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1123extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1124extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1125extern int  nvc0_fifo_unload_context(struct drm_device *);
1126
1127/* nv04_graph.c */
1128extern int  nv04_graph_init(struct drm_device *);
1129extern void nv04_graph_takedown(struct drm_device *);
1130extern void nv04_graph_fifo_access(struct drm_device *, bool);
1131extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
1132extern int  nv04_graph_create_context(struct nouveau_channel *);
1133extern void nv04_graph_destroy_context(struct nouveau_channel *);
1134extern int  nv04_graph_load_context(struct nouveau_channel *);
1135extern int  nv04_graph_unload_context(struct drm_device *);
1136extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1137				      u32 class, u32 mthd, u32 data);
1138extern struct nouveau_bitfield nv04_graph_nsource[];
1139
1140/* nv10_graph.c */
1141extern int  nv10_graph_init(struct drm_device *);
1142extern void nv10_graph_takedown(struct drm_device *);
1143extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1144extern int  nv10_graph_create_context(struct nouveau_channel *);
1145extern void nv10_graph_destroy_context(struct nouveau_channel *);
1146extern int  nv10_graph_load_context(struct nouveau_channel *);
1147extern int  nv10_graph_unload_context(struct drm_device *);
1148extern void nv10_graph_set_tile_region(struct drm_device *dev, int i);
1149extern struct nouveau_bitfield nv10_graph_intr[];
1150extern struct nouveau_bitfield nv10_graph_nstatus[];
1151
1152/* nv20_graph.c */
1153extern int  nv20_graph_create_context(struct nouveau_channel *);
1154extern void nv20_graph_destroy_context(struct nouveau_channel *);
1155extern int  nv20_graph_load_context(struct nouveau_channel *);
1156extern int  nv20_graph_unload_context(struct drm_device *);
1157extern int  nv20_graph_init(struct drm_device *);
1158extern void nv20_graph_takedown(struct drm_device *);
1159extern int  nv30_graph_init(struct drm_device *);
1160extern void nv20_graph_set_tile_region(struct drm_device *dev, int i);
1161
1162/* nv40_graph.c */
1163extern int  nv40_graph_init(struct drm_device *);
1164extern void nv40_graph_takedown(struct drm_device *);
1165extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1166extern int  nv40_graph_create_context(struct nouveau_channel *);
1167extern void nv40_graph_destroy_context(struct nouveau_channel *);
1168extern int  nv40_graph_load_context(struct nouveau_channel *);
1169extern int  nv40_graph_unload_context(struct drm_device *);
1170extern void nv40_grctx_init(struct nouveau_grctx *);
1171extern void nv40_graph_set_tile_region(struct drm_device *dev, int i);
1172
1173/* nv50_graph.c */
1174extern int  nv50_graph_init(struct drm_device *);
1175extern void nv50_graph_takedown(struct drm_device *);
1176extern void nv50_graph_fifo_access(struct drm_device *, bool);
1177extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1178extern int  nv50_graph_create_context(struct nouveau_channel *);
1179extern void nv50_graph_destroy_context(struct nouveau_channel *);
1180extern int  nv50_graph_load_context(struct nouveau_channel *);
1181extern int  nv50_graph_unload_context(struct drm_device *);
1182extern int  nv50_grctx_init(struct nouveau_grctx *);
1183extern void nv50_graph_tlb_flush(struct drm_device *dev);
1184extern void nv86_graph_tlb_flush(struct drm_device *dev);
1185
1186/* nvc0_graph.c */
1187extern int  nvc0_graph_init(struct drm_device *);
1188extern void nvc0_graph_takedown(struct drm_device *);
1189extern void nvc0_graph_fifo_access(struct drm_device *, bool);
1190extern struct nouveau_channel *nvc0_graph_channel(struct drm_device *);
1191extern int  nvc0_graph_create_context(struct nouveau_channel *);
1192extern void nvc0_graph_destroy_context(struct nouveau_channel *);
1193extern int  nvc0_graph_load_context(struct nouveau_channel *);
1194extern int  nvc0_graph_unload_context(struct drm_device *);
1195
1196/* nv84_crypt.c */
1197extern int  nv84_crypt_init(struct drm_device *dev);
1198extern void nv84_crypt_fini(struct drm_device *dev);
1199extern int  nv84_crypt_create_context(struct nouveau_channel *);
1200extern void nv84_crypt_destroy_context(struct nouveau_channel *);
1201extern void nv84_crypt_tlb_flush(struct drm_device *dev);
1202
1203/* nv04_instmem.c */
1204extern int  nv04_instmem_init(struct drm_device *);
1205extern void nv04_instmem_takedown(struct drm_device *);
1206extern int  nv04_instmem_suspend(struct drm_device *);
1207extern void nv04_instmem_resume(struct drm_device *);
1208extern int  nv04_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1209extern void nv04_instmem_put(struct nouveau_gpuobj *);
1210extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1211extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1212extern void nv04_instmem_flush(struct drm_device *);
1213
1214/* nv50_instmem.c */
1215extern int  nv50_instmem_init(struct drm_device *);
1216extern void nv50_instmem_takedown(struct drm_device *);
1217extern int  nv50_instmem_suspend(struct drm_device *);
1218extern void nv50_instmem_resume(struct drm_device *);
1219extern int  nv50_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1220extern void nv50_instmem_put(struct nouveau_gpuobj *);
1221extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1222extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1223extern void nv50_instmem_flush(struct drm_device *);
1224extern void nv84_instmem_flush(struct drm_device *);
1225
1226/* nvc0_instmem.c */
1227extern int  nvc0_instmem_init(struct drm_device *);
1228extern void nvc0_instmem_takedown(struct drm_device *);
1229extern int  nvc0_instmem_suspend(struct drm_device *);
1230extern void nvc0_instmem_resume(struct drm_device *);
1231extern int  nvc0_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1232extern void nvc0_instmem_put(struct nouveau_gpuobj *);
1233extern int  nvc0_instmem_map(struct nouveau_gpuobj *);
1234extern void nvc0_instmem_unmap(struct nouveau_gpuobj *);
1235extern void nvc0_instmem_flush(struct drm_device *);
1236
1237/* nv04_mc.c */
1238extern int  nv04_mc_init(struct drm_device *);
1239extern void nv04_mc_takedown(struct drm_device *);
1240
1241/* nv40_mc.c */
1242extern int  nv40_mc_init(struct drm_device *);
1243extern void nv40_mc_takedown(struct drm_device *);
1244
1245/* nv50_mc.c */
1246extern int  nv50_mc_init(struct drm_device *);
1247extern void nv50_mc_takedown(struct drm_device *);
1248
1249/* nv04_timer.c */
1250extern int  nv04_timer_init(struct drm_device *);
1251extern uint64_t nv04_timer_read(struct drm_device *);
1252extern void nv04_timer_takedown(struct drm_device *);
1253
1254extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1255				 unsigned long arg);
1256
1257/* nv04_dac.c */
1258extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1259extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1260extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1261extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1262extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1263
1264/* nv04_dfp.c */
1265extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1266extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1267extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1268			       int head, bool dl);
1269extern void nv04_dfp_disable(struct drm_device *dev, int head);
1270extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1271
1272/* nv04_tv.c */
1273extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1274extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1275
1276/* nv17_tv.c */
1277extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1278
1279/* nv04_display.c */
1280extern int nv04_display_early_init(struct drm_device *);
1281extern void nv04_display_late_takedown(struct drm_device *);
1282extern int nv04_display_create(struct drm_device *);
1283extern int nv04_display_init(struct drm_device *);
1284extern void nv04_display_destroy(struct drm_device *);
1285
1286/* nv04_crtc.c */
1287extern int nv04_crtc_create(struct drm_device *, int index);
1288
1289/* nouveau_bo.c */
1290extern struct ttm_bo_driver nouveau_bo_driver;
1291extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1292			  int size, int align, uint32_t flags,
1293			  uint32_t tile_mode, uint32_t tile_flags,
1294			  bool no_vm, bool mappable, struct nouveau_bo **);
1295extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1296extern int nouveau_bo_unpin(struct nouveau_bo *);
1297extern int nouveau_bo_map(struct nouveau_bo *);
1298extern void nouveau_bo_unmap(struct nouveau_bo *);
1299extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1300				     uint32_t busy);
1301extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1302extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1303extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1304extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1305extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1306extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1307			       bool no_wait_reserve, bool no_wait_gpu);
1308
1309/* nouveau_fence.c */
1310struct nouveau_fence;
1311extern int nouveau_fence_init(struct drm_device *);
1312extern void nouveau_fence_fini(struct drm_device *);
1313extern int nouveau_fence_channel_init(struct nouveau_channel *);
1314extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1315extern void nouveau_fence_update(struct nouveau_channel *);
1316extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1317			     bool emit);
1318extern int nouveau_fence_emit(struct nouveau_fence *);
1319extern void nouveau_fence_work(struct nouveau_fence *fence,
1320			       void (*work)(void *priv, bool signalled),
1321			       void *priv);
1322struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1323
1324extern bool __nouveau_fence_signalled(void *obj, void *arg);
1325extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1326extern int __nouveau_fence_flush(void *obj, void *arg);
1327extern void __nouveau_fence_unref(void **obj);
1328extern void *__nouveau_fence_ref(void *obj);
1329
1330static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1331{
1332	return __nouveau_fence_signalled(obj, NULL);
1333}
1334static inline int
1335nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1336{
1337	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1338}
1339extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1340static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1341{
1342	return __nouveau_fence_flush(obj, NULL);
1343}
1344static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1345{
1346	__nouveau_fence_unref((void **)obj);
1347}
1348static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1349{
1350	return __nouveau_fence_ref(obj);
1351}
1352
1353/* nouveau_gem.c */
1354extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1355			   int size, int align, uint32_t flags,
1356			   uint32_t tile_mode, uint32_t tile_flags,
1357			   bool no_vm, bool mappable, struct nouveau_bo **);
1358extern int nouveau_gem_object_new(struct drm_gem_object *);
1359extern void nouveau_gem_object_del(struct drm_gem_object *);
1360extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1361				 struct drm_file *);
1362extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1363				     struct drm_file *);
1364extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1365				      struct drm_file *);
1366extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1367				      struct drm_file *);
1368extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1369				  struct drm_file *);
1370
1371/* nouveau_display.c */
1372int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1373void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1374int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1375			   struct drm_pending_vblank_event *event);
1376int nouveau_finish_page_flip(struct nouveau_channel *,
1377			     struct nouveau_page_flip_state *);
1378
1379/* nv10_gpio.c */
1380int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1381int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1382
1383/* nv50_gpio.c */
1384int nv50_gpio_init(struct drm_device *dev);
1385void nv50_gpio_fini(struct drm_device *dev);
1386int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1387int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1388int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1389			    void (*)(void *, int), void *);
1390void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1391			      void (*)(void *, int), void *);
1392bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1393
1394/* nv50_calc. */
1395int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1396		  int *N1, int *M1, int *N2, int *M2, int *P);
1397int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1398		   int clk, int *N, int *fN, int *M, int *P);
1399
1400#ifndef ioread32_native
1401#ifdef __BIG_ENDIAN
1402#define ioread16_native ioread16be
1403#define iowrite16_native iowrite16be
1404#define ioread32_native  ioread32be
1405#define iowrite32_native iowrite32be
1406#else /* def __BIG_ENDIAN */
1407#define ioread16_native ioread16
1408#define iowrite16_native iowrite16
1409#define ioread32_native  ioread32
1410#define iowrite32_native iowrite32
1411#endif /* def __BIG_ENDIAN else */
1412#endif /* !ioread32_native */
1413
1414/* channel control reg access */
1415static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1416{
1417	return ioread32_native(chan->user + reg);
1418}
1419
1420static inline void nvchan_wr32(struct nouveau_channel *chan,
1421							unsigned reg, u32 val)
1422{
1423	iowrite32_native(val, chan->user + reg);
1424}
1425
1426/* register access */
1427static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1428{
1429	struct drm_nouveau_private *dev_priv = dev->dev_private;
1430	return ioread32_native(dev_priv->mmio + reg);
1431}
1432
1433static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1434{
1435	struct drm_nouveau_private *dev_priv = dev->dev_private;
1436	iowrite32_native(val, dev_priv->mmio + reg);
1437}
1438
1439static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1440{
1441	u32 tmp = nv_rd32(dev, reg);
1442	nv_wr32(dev, reg, (tmp & ~mask) | val);
1443	return tmp;
1444}
1445
1446static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1447{
1448	struct drm_nouveau_private *dev_priv = dev->dev_private;
1449	return ioread8(dev_priv->mmio + reg);
1450}
1451
1452static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1453{
1454	struct drm_nouveau_private *dev_priv = dev->dev_private;
1455	iowrite8(val, dev_priv->mmio + reg);
1456}
1457
1458#define nv_wait(dev, reg, mask, val) \
1459	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1460#define nv_wait_ne(dev, reg, mask, val) \
1461	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1462
1463/* PRAMIN access */
1464static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1465{
1466	struct drm_nouveau_private *dev_priv = dev->dev_private;
1467	return ioread32_native(dev_priv->ramin + offset);
1468}
1469
1470static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1471{
1472	struct drm_nouveau_private *dev_priv = dev->dev_private;
1473	iowrite32_native(val, dev_priv->ramin + offset);
1474}
1475
1476/* object access */
1477extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1478extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1479
1480/*
1481 * Logging
1482 * Argument d is (struct drm_device *).
1483 */
1484#define NV_PRINTK(level, d, fmt, arg...) \
1485	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1486					pci_name(d->pdev), ##arg)
1487#ifndef NV_DEBUG_NOTRACE
1488#define NV_DEBUG(d, fmt, arg...) do {                                          \
1489	if (drm_debug & DRM_UT_DRIVER) {                                       \
1490		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1491			  __LINE__, ##arg);                                    \
1492	}                                                                      \
1493} while (0)
1494#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1495	if (drm_debug & DRM_UT_KMS) {                                          \
1496		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1497			  __LINE__, ##arg);                                    \
1498	}                                                                      \
1499} while (0)
1500#else
1501#define NV_DEBUG(d, fmt, arg...) do {                                          \
1502	if (drm_debug & DRM_UT_DRIVER)                                         \
1503		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1504} while (0)
1505#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1506	if (drm_debug & DRM_UT_KMS)                                            \
1507		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1508} while (0)
1509#endif
1510#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1511#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1512#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1513#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1514#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1515
1516/* nouveau_reg_debug bitmask */
1517enum {
1518	NOUVEAU_REG_DEBUG_MC             = 0x1,
1519	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1520	NOUVEAU_REG_DEBUG_FB             = 0x4,
1521	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1522	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1523	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1524	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1525	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1526	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1527	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1528};
1529
1530#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1531	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1532		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1533} while (0)
1534
1535static inline bool
1536nv_two_heads(struct drm_device *dev)
1537{
1538	struct drm_nouveau_private *dev_priv = dev->dev_private;
1539	const int impl = dev->pci_device & 0x0ff0;
1540
1541	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1542	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1543		return true;
1544
1545	return false;
1546}
1547
1548static inline bool
1549nv_gf4_disp_arch(struct drm_device *dev)
1550{
1551	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1552}
1553
1554static inline bool
1555nv_two_reg_pll(struct drm_device *dev)
1556{
1557	struct drm_nouveau_private *dev_priv = dev->dev_private;
1558	const int impl = dev->pci_device & 0x0ff0;
1559
1560	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1561		return true;
1562	return false;
1563}
1564
1565static inline bool
1566nv_match_device(struct drm_device *dev, unsigned device,
1567		unsigned sub_vendor, unsigned sub_device)
1568{
1569	return dev->pdev->device == device &&
1570		dev->pdev->subsystem_vendor == sub_vendor &&
1571		dev->pdev->subsystem_device == sub_device;
1572}
1573
1574/* memory type/access flags, do not match hardware values */
1575#define NV_MEM_ACCESS_RO  1
1576#define NV_MEM_ACCESS_WO  2
1577#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1578#define NV_MEM_ACCESS_SYS 4
1579#define NV_MEM_ACCESS_VM  8
1580
1581#define NV_MEM_TARGET_VRAM        0
1582#define NV_MEM_TARGET_PCI         1
1583#define NV_MEM_TARGET_PCI_NOSNOOP 2
1584#define NV_MEM_TARGET_VM          3
1585#define NV_MEM_TARGET_GART        4
1586
1587#define NV_MEM_TYPE_VM 0x7f
1588#define NV_MEM_COMP_VM 0x03
1589
1590/* NV_SW object class */
1591#define NV_SW                                                        0x0000506e
1592#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1593#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1594#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1595#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1596#define NV_SW_YIELD                                                  0x00000080
1597#define NV_SW_DMA_VBLSEM                                             0x0000018c
1598#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1599#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1600#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1601#define NV_SW_PAGE_FLIP                                              0x00000500
1602
1603#endif /* __NOUVEAU_DRV_H__ */
1604