nouveau_drv.h revision aba99a8400e0b1ca9e6306e3a71013cc7a25bc29
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_mem;
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_mem {
69	struct drm_device *dev;
70
71	struct nouveau_vma bar_vma;
72	struct nouveau_vma tmp_vma;
73	u8  page_shift;
74
75	struct drm_mm_node *tag;
76	struct list_head regions;
77	dma_addr_t *pages;
78	u32 memtype;
79	u64 offset;
80	u64 size;
81};
82
83struct nouveau_tile_reg {
84	bool used;
85	uint32_t addr;
86	uint32_t limit;
87	uint32_t pitch;
88	uint32_t zcomp;
89	struct drm_mm_node *tag_mem;
90	struct nouveau_fence *fence;
91};
92
93struct nouveau_bo {
94	struct ttm_buffer_object bo;
95	struct ttm_placement placement;
96	u32 valid_domains;
97	u32 placements[3];
98	u32 busy_placements[3];
99	struct ttm_bo_kmap_obj kmap;
100	struct list_head head;
101
102	/* protected by ttm_bo_reserve() */
103	struct drm_file *reserved_by;
104	struct list_head entry;
105	int pbbo_index;
106	bool validate_mapped;
107
108	struct nouveau_channel *channel;
109
110	struct nouveau_vma vma;
111
112	uint32_t tile_mode;
113	uint32_t tile_flags;
114	struct nouveau_tile_reg *tile;
115
116	struct drm_gem_object *gem;
117	int pin_refcnt;
118};
119
120#define nouveau_bo_tile_layout(nvbo)				\
121	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
122
123static inline struct nouveau_bo *
124nouveau_bo(struct ttm_buffer_object *bo)
125{
126	return container_of(bo, struct nouveau_bo, bo);
127}
128
129static inline struct nouveau_bo *
130nouveau_gem_object(struct drm_gem_object *gem)
131{
132	return gem ? gem->driver_private : NULL;
133}
134
135/* TODO: submit equivalent to TTM generic API upstream? */
136static inline void __iomem *
137nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
138{
139	bool is_iomem;
140	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
141						&nvbo->kmap, &is_iomem);
142	WARN_ON_ONCE(ioptr && !is_iomem);
143	return ioptr;
144}
145
146enum nouveau_flags {
147	NV_NFORCE   = 0x10000000,
148	NV_NFORCE2  = 0x20000000
149};
150
151#define NVOBJ_ENGINE_SW		0
152#define NVOBJ_ENGINE_GR		1
153#define NVOBJ_ENGINE_CRYPT	2
154#define NVOBJ_ENGINE_COPY0	3
155#define NVOBJ_ENGINE_COPY1	4
156#define NVOBJ_ENGINE_MPEG	5
157#define NVOBJ_ENGINE_DISPLAY	15
158#define NVOBJ_ENGINE_NR		16
159
160#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
161#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
162#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
163#define NVOBJ_FLAG_VM			(1 << 3)
164#define NVOBJ_FLAG_VM_USER		(1 << 4)
165
166#define NVOBJ_CINST_GLOBAL	0xdeadbeef
167
168struct nouveau_gpuobj {
169	struct drm_device *dev;
170	struct kref refcount;
171	struct list_head list;
172
173	void *node;
174	u32 *suspend;
175
176	uint32_t flags;
177
178	u32 size;
179	u32 pinst;
180	u32 cinst;
181	u64 vinst;
182
183	uint32_t engine;
184	uint32_t class;
185
186	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
187	void *priv;
188};
189
190struct nouveau_page_flip_state {
191	struct list_head head;
192	struct drm_pending_vblank_event *event;
193	int crtc, bpp, pitch, x, y;
194	uint64_t offset;
195};
196
197enum nouveau_channel_mutex_class {
198	NOUVEAU_UCHANNEL_MUTEX,
199	NOUVEAU_KCHANNEL_MUTEX
200};
201
202struct nouveau_channel {
203	struct drm_device *dev;
204	int id;
205
206	/* references to the channel data structure */
207	struct kref ref;
208	/* users of the hardware channel resources, the hardware
209	 * context will be kicked off when it reaches zero. */
210	atomic_t users;
211	struct mutex mutex;
212
213	/* owner of this fifo */
214	struct drm_file *file_priv;
215	/* mapping of the fifo itself */
216	struct drm_local_map *map;
217
218	/* mapping of the regs controlling the fifo */
219	void __iomem *user;
220	uint32_t user_get;
221	uint32_t user_put;
222
223	/* Fencing */
224	struct {
225		/* lock protects the pending list only */
226		spinlock_t lock;
227		struct list_head pending;
228		uint32_t sequence;
229		uint32_t sequence_ack;
230		atomic_t last_sequence_irq;
231	} fence;
232
233	/* DMA push buffer */
234	struct nouveau_gpuobj *pushbuf;
235	struct nouveau_bo     *pushbuf_bo;
236	uint32_t               pushbuf_base;
237
238	/* Notifier memory */
239	struct nouveau_bo *notifier_bo;
240	struct drm_mm notifier_heap;
241
242	/* PFIFO context */
243	struct nouveau_gpuobj *ramfc;
244	struct nouveau_gpuobj *cache;
245	void *fifo_priv;
246
247	/* Execution engine contexts */
248	void *engctx[NVOBJ_ENGINE_NR];
249
250	/* NV50 VM */
251	struct nouveau_vm     *vm;
252	struct nouveau_gpuobj *vm_pd;
253
254	/* Objects */
255	struct nouveau_gpuobj *ramin; /* Private instmem */
256	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
257	struct nouveau_ramht  *ramht; /* Hash table */
258
259	/* GPU object info for stuff used in-kernel (mm_enabled) */
260	uint32_t m2mf_ntfy;
261	uint32_t vram_handle;
262	uint32_t gart_handle;
263	bool accel_done;
264
265	/* Push buffer state (only for drm's channel on !mm_enabled) */
266	struct {
267		int max;
268		int free;
269		int cur;
270		int put;
271		/* access via pushbuf_bo */
272
273		int ib_base;
274		int ib_max;
275		int ib_free;
276		int ib_put;
277	} dma;
278
279	uint32_t sw_subchannel[8];
280
281	struct {
282		struct nouveau_gpuobj *vblsem;
283		uint32_t vblsem_head;
284		uint32_t vblsem_offset;
285		uint32_t vblsem_rval;
286		struct list_head vbl_wait;
287		struct list_head flip;
288	} nvsw;
289
290	struct {
291		bool active;
292		char name[32];
293		struct drm_info_list info;
294	} debugfs;
295};
296
297struct nouveau_exec_engine {
298	void (*destroy)(struct drm_device *, int engine);
299	int  (*init)(struct drm_device *, int engine);
300	int  (*fini)(struct drm_device *, int engine);
301	int  (*context_new)(struct nouveau_channel *, int engine);
302	void (*context_del)(struct nouveau_channel *, int engine);
303	int  (*object_new)(struct nouveau_channel *, int engine,
304			   u32 handle, u16 class);
305	void (*set_tile_region)(struct drm_device *dev, int i);
306	void (*tlb_flush)(struct drm_device *, int engine);
307};
308
309struct nouveau_instmem_engine {
310	void	*priv;
311
312	int	(*init)(struct drm_device *dev);
313	void	(*takedown)(struct drm_device *dev);
314	int	(*suspend)(struct drm_device *dev);
315	void	(*resume)(struct drm_device *dev);
316
317	int	(*get)(struct nouveau_gpuobj *, u32 size, u32 align);
318	void	(*put)(struct nouveau_gpuobj *);
319	int	(*map)(struct nouveau_gpuobj *);
320	void	(*unmap)(struct nouveau_gpuobj *);
321
322	void	(*flush)(struct drm_device *);
323};
324
325struct nouveau_mc_engine {
326	int  (*init)(struct drm_device *dev);
327	void (*takedown)(struct drm_device *dev);
328};
329
330struct nouveau_timer_engine {
331	int      (*init)(struct drm_device *dev);
332	void     (*takedown)(struct drm_device *dev);
333	uint64_t (*read)(struct drm_device *dev);
334};
335
336struct nouveau_fb_engine {
337	int num_tiles;
338	struct drm_mm tag_heap;
339	void *priv;
340
341	int  (*init)(struct drm_device *dev);
342	void (*takedown)(struct drm_device *dev);
343
344	void (*init_tile_region)(struct drm_device *dev, int i,
345				 uint32_t addr, uint32_t size,
346				 uint32_t pitch, uint32_t flags);
347	void (*set_tile_region)(struct drm_device *dev, int i);
348	void (*free_tile_region)(struct drm_device *dev, int i);
349};
350
351struct nouveau_fifo_engine {
352	void *priv;
353	int  channels;
354
355	struct nouveau_gpuobj *playlist[2];
356	int cur_playlist;
357
358	int  (*init)(struct drm_device *);
359	void (*takedown)(struct drm_device *);
360
361	void (*disable)(struct drm_device *);
362	void (*enable)(struct drm_device *);
363	bool (*reassign)(struct drm_device *, bool enable);
364	bool (*cache_pull)(struct drm_device *dev, bool enable);
365
366	int  (*channel_id)(struct drm_device *);
367
368	int  (*create_context)(struct nouveau_channel *);
369	void (*destroy_context)(struct nouveau_channel *);
370	int  (*load_context)(struct nouveau_channel *);
371	int  (*unload_context)(struct drm_device *);
372	void (*tlb_flush)(struct drm_device *dev);
373};
374
375struct nouveau_display_engine {
376	void *priv;
377	int (*early_init)(struct drm_device *);
378	void (*late_takedown)(struct drm_device *);
379	int (*create)(struct drm_device *);
380	int (*init)(struct drm_device *);
381	void (*destroy)(struct drm_device *);
382};
383
384struct nouveau_gpio_engine {
385	void *priv;
386
387	int  (*init)(struct drm_device *);
388	void (*takedown)(struct drm_device *);
389
390	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
391	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
392
393	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
394			     void (*)(void *, int), void *);
395	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
396			       void (*)(void *, int), void *);
397	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
398};
399
400struct nouveau_pm_voltage_level {
401	u8 voltage;
402	u8 vid;
403};
404
405struct nouveau_pm_voltage {
406	bool supported;
407	u8 vid_mask;
408
409	struct nouveau_pm_voltage_level *level;
410	int nr_level;
411};
412
413struct nouveau_pm_memtiming {
414	int id;
415	u32 reg_100220;
416	u32 reg_100224;
417	u32 reg_100228;
418	u32 reg_10022c;
419	u32 reg_100230;
420	u32 reg_100234;
421	u32 reg_100238;
422	u32 reg_10023c;
423	u32 reg_100240;
424};
425
426#define NOUVEAU_PM_MAX_LEVEL 8
427struct nouveau_pm_level {
428	struct device_attribute dev_attr;
429	char name[32];
430	int id;
431
432	u32 core;
433	u32 memory;
434	u32 shader;
435	u32 unk05;
436	u32 unk0a;
437
438	u8 voltage;
439	u8 fanspeed;
440
441	u16 memscript;
442	struct nouveau_pm_memtiming *timing;
443};
444
445struct nouveau_pm_temp_sensor_constants {
446	u16 offset_constant;
447	s16 offset_mult;
448	u16 offset_div;
449	u16 slope_mult;
450	u16 slope_div;
451};
452
453struct nouveau_pm_threshold_temp {
454	s16 critical;
455	s16 down_clock;
456	s16 fan_boost;
457};
458
459struct nouveau_pm_memtimings {
460	bool supported;
461	struct nouveau_pm_memtiming *timing;
462	int nr_timing;
463};
464
465struct nouveau_pm_engine {
466	struct nouveau_pm_voltage voltage;
467	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
468	int nr_perflvl;
469	struct nouveau_pm_memtimings memtimings;
470	struct nouveau_pm_temp_sensor_constants sensor_constants;
471	struct nouveau_pm_threshold_temp threshold_temp;
472
473	struct nouveau_pm_level boot;
474	struct nouveau_pm_level *cur;
475
476	struct device *hwmon;
477	struct notifier_block acpi_nb;
478
479	int (*clock_get)(struct drm_device *, u32 id);
480	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
481			   u32 id, int khz);
482	void (*clock_set)(struct drm_device *, void *);
483	int (*voltage_get)(struct drm_device *);
484	int (*voltage_set)(struct drm_device *, int voltage);
485	int (*fanspeed_get)(struct drm_device *);
486	int (*fanspeed_set)(struct drm_device *, int fanspeed);
487	int (*temp_get)(struct drm_device *);
488};
489
490struct nouveau_vram_engine {
491	int  (*init)(struct drm_device *);
492	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
493		    u32 type, struct nouveau_mem **);
494	void (*put)(struct drm_device *, struct nouveau_mem **);
495
496	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
497};
498
499struct nouveau_engine {
500	struct nouveau_instmem_engine instmem;
501	struct nouveau_mc_engine      mc;
502	struct nouveau_timer_engine   timer;
503	struct nouveau_fb_engine      fb;
504	struct nouveau_fifo_engine    fifo;
505	struct nouveau_display_engine display;
506	struct nouveau_gpio_engine    gpio;
507	struct nouveau_pm_engine      pm;
508	struct nouveau_vram_engine    vram;
509};
510
511struct nouveau_pll_vals {
512	union {
513		struct {
514#ifdef __BIG_ENDIAN
515			uint8_t N1, M1, N2, M2;
516#else
517			uint8_t M1, N1, M2, N2;
518#endif
519		};
520		struct {
521			uint16_t NM1, NM2;
522		} __attribute__((packed));
523	};
524	int log2P;
525
526	int refclk;
527};
528
529enum nv04_fp_display_regs {
530	FP_DISPLAY_END,
531	FP_TOTAL,
532	FP_CRTC,
533	FP_SYNC_START,
534	FP_SYNC_END,
535	FP_VALID_START,
536	FP_VALID_END
537};
538
539struct nv04_crtc_reg {
540	unsigned char MiscOutReg;
541	uint8_t CRTC[0xa0];
542	uint8_t CR58[0x10];
543	uint8_t Sequencer[5];
544	uint8_t Graphics[9];
545	uint8_t Attribute[21];
546	unsigned char DAC[768];
547
548	/* PCRTC regs */
549	uint32_t fb_start;
550	uint32_t crtc_cfg;
551	uint32_t cursor_cfg;
552	uint32_t gpio_ext;
553	uint32_t crtc_830;
554	uint32_t crtc_834;
555	uint32_t crtc_850;
556	uint32_t crtc_eng_ctrl;
557
558	/* PRAMDAC regs */
559	uint32_t nv10_cursync;
560	struct nouveau_pll_vals pllvals;
561	uint32_t ramdac_gen_ctrl;
562	uint32_t ramdac_630;
563	uint32_t ramdac_634;
564	uint32_t tv_setup;
565	uint32_t tv_vtotal;
566	uint32_t tv_vskew;
567	uint32_t tv_vsync_delay;
568	uint32_t tv_htotal;
569	uint32_t tv_hskew;
570	uint32_t tv_hsync_delay;
571	uint32_t tv_hsync_delay2;
572	uint32_t fp_horiz_regs[7];
573	uint32_t fp_vert_regs[7];
574	uint32_t dither;
575	uint32_t fp_control;
576	uint32_t dither_regs[6];
577	uint32_t fp_debug_0;
578	uint32_t fp_debug_1;
579	uint32_t fp_debug_2;
580	uint32_t fp_margin_color;
581	uint32_t ramdac_8c0;
582	uint32_t ramdac_a20;
583	uint32_t ramdac_a24;
584	uint32_t ramdac_a34;
585	uint32_t ctv_regs[38];
586};
587
588struct nv04_output_reg {
589	uint32_t output;
590	int head;
591};
592
593struct nv04_mode_state {
594	struct nv04_crtc_reg crtc_reg[2];
595	uint32_t pllsel;
596	uint32_t sel_clk;
597};
598
599enum nouveau_card_type {
600	NV_04      = 0x00,
601	NV_10      = 0x10,
602	NV_20      = 0x20,
603	NV_30      = 0x30,
604	NV_40      = 0x40,
605	NV_50      = 0x50,
606	NV_C0      = 0xc0,
607};
608
609struct drm_nouveau_private {
610	struct drm_device *dev;
611	bool noaccel;
612
613	/* the card type, takes NV_* as values */
614	enum nouveau_card_type card_type;
615	/* exact chipset, derived from NV_PMC_BOOT_0 */
616	int chipset;
617	int stepping;
618	int flags;
619
620	void __iomem *mmio;
621
622	spinlock_t ramin_lock;
623	void __iomem *ramin;
624	u32 ramin_size;
625	u32 ramin_base;
626	bool ramin_available;
627	struct drm_mm ramin_heap;
628	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
629	struct list_head gpuobj_list;
630	struct list_head classes;
631
632	struct nouveau_bo *vga_ram;
633
634	/* interrupt handling */
635	void (*irq_handler[32])(struct drm_device *);
636	bool msi_enabled;
637
638	struct list_head vbl_waiting;
639
640	struct {
641		struct drm_global_reference mem_global_ref;
642		struct ttm_bo_global_ref bo_global_ref;
643		struct ttm_bo_device bdev;
644		atomic_t validate_sequence;
645	} ttm;
646
647	struct {
648		spinlock_t lock;
649		struct drm_mm heap;
650		struct nouveau_bo *bo;
651	} fence;
652
653	struct {
654		spinlock_t lock;
655		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
656	} channels;
657
658	struct nouveau_engine engine;
659	struct nouveau_channel *channel;
660
661	/* For PFIFO and PGRAPH. */
662	spinlock_t context_switch_lock;
663
664	/* VM/PRAMIN flush, legacy PRAMIN aperture */
665	spinlock_t vm_lock;
666
667	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
668	struct nouveau_ramht  *ramht;
669	struct nouveau_gpuobj *ramfc;
670	struct nouveau_gpuobj *ramro;
671
672	uint32_t ramin_rsvd_vram;
673
674	struct {
675		enum {
676			NOUVEAU_GART_NONE = 0,
677			NOUVEAU_GART_AGP,	/* AGP */
678			NOUVEAU_GART_PDMA,	/* paged dma object */
679			NOUVEAU_GART_HW		/* on-chip gart/vm */
680		} type;
681		uint64_t aper_base;
682		uint64_t aper_size;
683		uint64_t aper_free;
684
685		struct ttm_backend_func *func;
686
687		struct {
688			struct page *page;
689			dma_addr_t   addr;
690		} dummy;
691
692		struct nouveau_gpuobj *sg_ctxdma;
693	} gart_info;
694
695	/* nv10-nv40 tiling regions */
696	struct {
697		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
698		spinlock_t lock;
699	} tile;
700
701	/* VRAM/fb configuration */
702	uint64_t vram_size;
703	uint64_t vram_sys_base;
704	u32 vram_rblock_size;
705
706	uint64_t fb_phys;
707	uint64_t fb_available_size;
708	uint64_t fb_mappable_pages;
709	uint64_t fb_aper_free;
710	int fb_mtrr;
711
712	/* BAR control (NV50-) */
713	struct nouveau_vm *bar1_vm;
714	struct nouveau_vm *bar3_vm;
715
716	/* G8x/G9x virtual address space */
717	struct nouveau_vm *chan_vm;
718
719	struct nvbios vbios;
720
721	struct nv04_mode_state mode_reg;
722	struct nv04_mode_state saved_reg;
723	uint32_t saved_vga_font[4][16384];
724	uint32_t crtc_owner;
725	uint32_t dac_users[4];
726
727	struct backlight_device *backlight;
728
729	struct {
730		struct dentry *channel_root;
731	} debugfs;
732
733	struct nouveau_fbdev *nfbdev;
734	struct apertures_struct *apertures;
735};
736
737static inline struct drm_nouveau_private *
738nouveau_private(struct drm_device *dev)
739{
740	return dev->dev_private;
741}
742
743static inline struct drm_nouveau_private *
744nouveau_bdev(struct ttm_bo_device *bd)
745{
746	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
747}
748
749static inline int
750nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
751{
752	struct nouveau_bo *prev;
753
754	if (!pnvbo)
755		return -EINVAL;
756	prev = *pnvbo;
757
758	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
759	if (prev) {
760		struct ttm_buffer_object *bo = &prev->bo;
761
762		ttm_bo_unref(&bo);
763	}
764
765	return 0;
766}
767
768/* nouveau_drv.c */
769extern int nouveau_agpmode;
770extern int nouveau_duallink;
771extern int nouveau_uscript_lvds;
772extern int nouveau_uscript_tmds;
773extern int nouveau_vram_pushbuf;
774extern int nouveau_vram_notify;
775extern int nouveau_fbpercrtc;
776extern int nouveau_tv_disable;
777extern char *nouveau_tv_norm;
778extern int nouveau_reg_debug;
779extern char *nouveau_vbios;
780extern int nouveau_ignorelid;
781extern int nouveau_nofbaccel;
782extern int nouveau_noaccel;
783extern int nouveau_force_post;
784extern int nouveau_override_conntype;
785extern char *nouveau_perflvl;
786extern int nouveau_perflvl_wr;
787extern int nouveau_msi;
788
789extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
790extern int nouveau_pci_resume(struct pci_dev *pdev);
791
792/* nouveau_state.c */
793extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
794extern int  nouveau_load(struct drm_device *, unsigned long flags);
795extern int  nouveau_firstopen(struct drm_device *);
796extern void nouveau_lastclose(struct drm_device *);
797extern int  nouveau_unload(struct drm_device *);
798extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
799				   struct drm_file *);
800extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
801				   struct drm_file *);
802extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
803			    uint32_t reg, uint32_t mask, uint32_t val);
804extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
805			    uint32_t reg, uint32_t mask, uint32_t val);
806extern bool nouveau_wait_for_idle(struct drm_device *);
807extern int  nouveau_card_init(struct drm_device *);
808
809/* nouveau_mem.c */
810extern int  nouveau_mem_vram_init(struct drm_device *);
811extern void nouveau_mem_vram_fini(struct drm_device *);
812extern int  nouveau_mem_gart_init(struct drm_device *);
813extern void nouveau_mem_gart_fini(struct drm_device *);
814extern int  nouveau_mem_init_agp(struct drm_device *);
815extern int  nouveau_mem_reset_agp(struct drm_device *);
816extern void nouveau_mem_close(struct drm_device *);
817extern int  nouveau_mem_detect(struct drm_device *);
818extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
819extern struct nouveau_tile_reg *nv10_mem_set_tiling(
820	struct drm_device *dev, uint32_t addr, uint32_t size,
821	uint32_t pitch, uint32_t flags);
822extern void nv10_mem_put_tile_region(struct drm_device *dev,
823				     struct nouveau_tile_reg *tile,
824				     struct nouveau_fence *fence);
825extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
826extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
827
828/* nouveau_notifier.c */
829extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
830extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
831extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
832				   int cout, uint32_t start, uint32_t end,
833				   uint32_t *offset);
834extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
835extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
836					 struct drm_file *);
837extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
838					struct drm_file *);
839
840/* nouveau_channel.c */
841extern struct drm_ioctl_desc nouveau_ioctls[];
842extern int nouveau_max_ioctl;
843extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
844extern int  nouveau_channel_alloc(struct drm_device *dev,
845				  struct nouveau_channel **chan,
846				  struct drm_file *file_priv,
847				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
848extern struct nouveau_channel *
849nouveau_channel_get_unlocked(struct nouveau_channel *);
850extern struct nouveau_channel *
851nouveau_channel_get(struct drm_device *, struct drm_file *, int id);
852extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
853extern void nouveau_channel_put(struct nouveau_channel **);
854extern void nouveau_channel_ref(struct nouveau_channel *chan,
855				struct nouveau_channel **pchan);
856extern void nouveau_channel_idle(struct nouveau_channel *chan);
857
858/* nouveau_object.c */
859#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
860	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
861	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
862} while (0)
863
864#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
865	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
866	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
867} while (0)
868
869#define NVOBJ_CLASS(d, c, e) do {                                              \
870	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
871	if (ret)                                                               \
872		return ret;                                                    \
873} while (0)
874
875#define NVOBJ_MTHD(d, c, m, e) do {                                            \
876	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
877	if (ret)                                                               \
878		return ret;                                                    \
879} while (0)
880
881extern int  nouveau_gpuobj_early_init(struct drm_device *);
882extern int  nouveau_gpuobj_init(struct drm_device *);
883extern void nouveau_gpuobj_takedown(struct drm_device *);
884extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
885extern void nouveau_gpuobj_resume(struct drm_device *dev);
886extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
887extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
888				    int (*exec)(struct nouveau_channel *,
889						u32 class, u32 mthd, u32 data));
890extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
891extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
892extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
893				       uint32_t vram_h, uint32_t tt_h);
894extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
895extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
896			      uint32_t size, int align, uint32_t flags,
897			      struct nouveau_gpuobj **);
898extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
899			       struct nouveau_gpuobj **);
900extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
901				   u32 size, u32 flags,
902				   struct nouveau_gpuobj **);
903extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
904				  uint64_t offset, uint64_t size, int access,
905				  int target, struct nouveau_gpuobj **);
906extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
907extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
908			       u64 size, int target, int access, u32 type,
909			       u32 comp, struct nouveau_gpuobj **pobj);
910extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
911				 int class, u64 base, u64 size, int target,
912				 int access, u32 type, u32 comp);
913extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
914				     struct drm_file *);
915extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
916				     struct drm_file *);
917
918/* nouveau_irq.c */
919extern int         nouveau_irq_init(struct drm_device *);
920extern void        nouveau_irq_fini(struct drm_device *);
921extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
922extern void        nouveau_irq_register(struct drm_device *, int status_bit,
923					void (*)(struct drm_device *));
924extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
925extern void        nouveau_irq_preinstall(struct drm_device *);
926extern int         nouveau_irq_postinstall(struct drm_device *);
927extern void        nouveau_irq_uninstall(struct drm_device *);
928
929/* nouveau_sgdma.c */
930extern int nouveau_sgdma_init(struct drm_device *);
931extern void nouveau_sgdma_takedown(struct drm_device *);
932extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
933					   uint32_t offset);
934extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
935
936/* nouveau_debugfs.c */
937#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
938extern int  nouveau_debugfs_init(struct drm_minor *);
939extern void nouveau_debugfs_takedown(struct drm_minor *);
940extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
941extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
942#else
943static inline int
944nouveau_debugfs_init(struct drm_minor *minor)
945{
946	return 0;
947}
948
949static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
950{
951}
952
953static inline int
954nouveau_debugfs_channel_init(struct nouveau_channel *chan)
955{
956	return 0;
957}
958
959static inline void
960nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
961{
962}
963#endif
964
965/* nouveau_dma.c */
966extern void nouveau_dma_pre_init(struct nouveau_channel *);
967extern int  nouveau_dma_init(struct nouveau_channel *);
968extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
969
970/* nouveau_acpi.c */
971#define ROM_BIOS_PAGE 4096
972#if defined(CONFIG_ACPI)
973void nouveau_register_dsm_handler(void);
974void nouveau_unregister_dsm_handler(void);
975int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
976bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
977int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
978#else
979static inline void nouveau_register_dsm_handler(void) {}
980static inline void nouveau_unregister_dsm_handler(void) {}
981static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
982static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
983static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
984#endif
985
986/* nouveau_backlight.c */
987#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
988extern int nouveau_backlight_init(struct drm_connector *);
989extern void nouveau_backlight_exit(struct drm_connector *);
990#else
991static inline int nouveau_backlight_init(struct drm_connector *dev)
992{
993	return 0;
994}
995
996static inline void nouveau_backlight_exit(struct drm_connector *dev) { }
997#endif
998
999/* nouveau_bios.c */
1000extern int nouveau_bios_init(struct drm_device *);
1001extern void nouveau_bios_takedown(struct drm_device *dev);
1002extern int nouveau_run_vbios_init(struct drm_device *);
1003extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1004					struct dcb_entry *);
1005extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1006						      enum dcb_gpio_tag);
1007extern struct dcb_connector_table_entry *
1008nouveau_bios_connector_entry(struct drm_device *, int index);
1009extern u32 get_pll_register(struct drm_device *, enum pll_types);
1010extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1011			  struct pll_lims *);
1012extern int nouveau_bios_run_display_table(struct drm_device *,
1013					  struct dcb_entry *,
1014					  uint32_t script, int pxclk);
1015extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1016				   int *length);
1017extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1018extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1019extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1020					 bool *dl, bool *if_is_24bit);
1021extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1022			  int head, int pxclk);
1023extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1024			    enum LVDS_script, int pxclk);
1025
1026/* nouveau_ttm.c */
1027int nouveau_ttm_global_init(struct drm_nouveau_private *);
1028void nouveau_ttm_global_release(struct drm_nouveau_private *);
1029int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1030
1031/* nouveau_dp.c */
1032int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1033		     uint8_t *data, int data_nr);
1034bool nouveau_dp_detect(struct drm_encoder *);
1035bool nouveau_dp_link_train(struct drm_encoder *);
1036
1037/* nv04_fb.c */
1038extern int  nv04_fb_init(struct drm_device *);
1039extern void nv04_fb_takedown(struct drm_device *);
1040
1041/* nv10_fb.c */
1042extern int  nv10_fb_init(struct drm_device *);
1043extern void nv10_fb_takedown(struct drm_device *);
1044extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1045				     uint32_t addr, uint32_t size,
1046				     uint32_t pitch, uint32_t flags);
1047extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1048extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1049
1050/* nv30_fb.c */
1051extern int  nv30_fb_init(struct drm_device *);
1052extern void nv30_fb_takedown(struct drm_device *);
1053extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1054				     uint32_t addr, uint32_t size,
1055				     uint32_t pitch, uint32_t flags);
1056extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1057
1058/* nv40_fb.c */
1059extern int  nv40_fb_init(struct drm_device *);
1060extern void nv40_fb_takedown(struct drm_device *);
1061extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1062
1063/* nv50_fb.c */
1064extern int  nv50_fb_init(struct drm_device *);
1065extern void nv50_fb_takedown(struct drm_device *);
1066extern void nv50_fb_vm_trap(struct drm_device *, int display);
1067
1068/* nvc0_fb.c */
1069extern int  nvc0_fb_init(struct drm_device *);
1070extern void nvc0_fb_takedown(struct drm_device *);
1071
1072/* nv04_fifo.c */
1073extern int  nv04_fifo_init(struct drm_device *);
1074extern void nv04_fifo_fini(struct drm_device *);
1075extern void nv04_fifo_disable(struct drm_device *);
1076extern void nv04_fifo_enable(struct drm_device *);
1077extern bool nv04_fifo_reassign(struct drm_device *, bool);
1078extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1079extern int  nv04_fifo_channel_id(struct drm_device *);
1080extern int  nv04_fifo_create_context(struct nouveau_channel *);
1081extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1082extern int  nv04_fifo_load_context(struct nouveau_channel *);
1083extern int  nv04_fifo_unload_context(struct drm_device *);
1084extern void nv04_fifo_isr(struct drm_device *);
1085
1086/* nv10_fifo.c */
1087extern int  nv10_fifo_init(struct drm_device *);
1088extern int  nv10_fifo_channel_id(struct drm_device *);
1089extern int  nv10_fifo_create_context(struct nouveau_channel *);
1090extern int  nv10_fifo_load_context(struct nouveau_channel *);
1091extern int  nv10_fifo_unload_context(struct drm_device *);
1092
1093/* nv40_fifo.c */
1094extern int  nv40_fifo_init(struct drm_device *);
1095extern int  nv40_fifo_create_context(struct nouveau_channel *);
1096extern int  nv40_fifo_load_context(struct nouveau_channel *);
1097extern int  nv40_fifo_unload_context(struct drm_device *);
1098
1099/* nv50_fifo.c */
1100extern int  nv50_fifo_init(struct drm_device *);
1101extern void nv50_fifo_takedown(struct drm_device *);
1102extern int  nv50_fifo_channel_id(struct drm_device *);
1103extern int  nv50_fifo_create_context(struct nouveau_channel *);
1104extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1105extern int  nv50_fifo_load_context(struct nouveau_channel *);
1106extern int  nv50_fifo_unload_context(struct drm_device *);
1107extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1108
1109/* nvc0_fifo.c */
1110extern int  nvc0_fifo_init(struct drm_device *);
1111extern void nvc0_fifo_takedown(struct drm_device *);
1112extern void nvc0_fifo_disable(struct drm_device *);
1113extern void nvc0_fifo_enable(struct drm_device *);
1114extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1115extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1116extern int  nvc0_fifo_channel_id(struct drm_device *);
1117extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1118extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1119extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1120extern int  nvc0_fifo_unload_context(struct drm_device *);
1121
1122/* nv04_graph.c */
1123extern int  nv04_graph_create(struct drm_device *);
1124extern void nv04_graph_fifo_access(struct drm_device *, bool);
1125extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1126extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1127				      u32 class, u32 mthd, u32 data);
1128extern struct nouveau_bitfield nv04_graph_nsource[];
1129
1130/* nv10_graph.c */
1131extern int  nv10_graph_create(struct drm_device *);
1132extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1133extern struct nouveau_bitfield nv10_graph_intr[];
1134extern struct nouveau_bitfield nv10_graph_nstatus[];
1135
1136/* nv20_graph.c */
1137extern int  nv20_graph_create(struct drm_device *);
1138
1139/* nv40_graph.c */
1140extern int  nv40_graph_create(struct drm_device *);
1141extern void nv40_grctx_init(struct nouveau_grctx *);
1142
1143/* nv50_graph.c */
1144extern int  nv50_graph_create(struct drm_device *);
1145extern int  nv50_grctx_init(struct nouveau_grctx *);
1146extern struct nouveau_enum nv50_data_error_names[];
1147extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1148
1149/* nvc0_graph.c */
1150extern int  nvc0_graph_create(struct drm_device *);
1151extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1152
1153/* nv84_crypt.c */
1154extern int  nv84_crypt_create(struct drm_device *);
1155
1156/* nva3_copy.c */
1157extern int  nva3_copy_create(struct drm_device *dev);
1158
1159/* nvc0_copy.c */
1160extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1161
1162/* nv40_mpeg.c */
1163extern int  nv40_mpeg_create(struct drm_device *dev);
1164
1165/* nv50_mpeg.c */
1166extern int  nv50_mpeg_create(struct drm_device *dev);
1167
1168/* nv04_instmem.c */
1169extern int  nv04_instmem_init(struct drm_device *);
1170extern void nv04_instmem_takedown(struct drm_device *);
1171extern int  nv04_instmem_suspend(struct drm_device *);
1172extern void nv04_instmem_resume(struct drm_device *);
1173extern int  nv04_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1174extern void nv04_instmem_put(struct nouveau_gpuobj *);
1175extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1176extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1177extern void nv04_instmem_flush(struct drm_device *);
1178
1179/* nv50_instmem.c */
1180extern int  nv50_instmem_init(struct drm_device *);
1181extern void nv50_instmem_takedown(struct drm_device *);
1182extern int  nv50_instmem_suspend(struct drm_device *);
1183extern void nv50_instmem_resume(struct drm_device *);
1184extern int  nv50_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1185extern void nv50_instmem_put(struct nouveau_gpuobj *);
1186extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1187extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1188extern void nv50_instmem_flush(struct drm_device *);
1189extern void nv84_instmem_flush(struct drm_device *);
1190
1191/* nvc0_instmem.c */
1192extern int  nvc0_instmem_init(struct drm_device *);
1193extern void nvc0_instmem_takedown(struct drm_device *);
1194extern int  nvc0_instmem_suspend(struct drm_device *);
1195extern void nvc0_instmem_resume(struct drm_device *);
1196
1197/* nv04_mc.c */
1198extern int  nv04_mc_init(struct drm_device *);
1199extern void nv04_mc_takedown(struct drm_device *);
1200
1201/* nv40_mc.c */
1202extern int  nv40_mc_init(struct drm_device *);
1203extern void nv40_mc_takedown(struct drm_device *);
1204
1205/* nv50_mc.c */
1206extern int  nv50_mc_init(struct drm_device *);
1207extern void nv50_mc_takedown(struct drm_device *);
1208
1209/* nv04_timer.c */
1210extern int  nv04_timer_init(struct drm_device *);
1211extern uint64_t nv04_timer_read(struct drm_device *);
1212extern void nv04_timer_takedown(struct drm_device *);
1213
1214extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1215				 unsigned long arg);
1216
1217/* nv04_dac.c */
1218extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1219extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1220extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1221extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1222extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1223
1224/* nv04_dfp.c */
1225extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1226extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1227extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1228			       int head, bool dl);
1229extern void nv04_dfp_disable(struct drm_device *dev, int head);
1230extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1231
1232/* nv04_tv.c */
1233extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1234extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1235
1236/* nv17_tv.c */
1237extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1238
1239/* nv04_display.c */
1240extern int nv04_display_early_init(struct drm_device *);
1241extern void nv04_display_late_takedown(struct drm_device *);
1242extern int nv04_display_create(struct drm_device *);
1243extern int nv04_display_init(struct drm_device *);
1244extern void nv04_display_destroy(struct drm_device *);
1245
1246/* nv04_crtc.c */
1247extern int nv04_crtc_create(struct drm_device *, int index);
1248
1249/* nouveau_bo.c */
1250extern struct ttm_bo_driver nouveau_bo_driver;
1251extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1252			  int size, int align, uint32_t flags,
1253			  uint32_t tile_mode, uint32_t tile_flags,
1254			  struct nouveau_bo **);
1255extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1256extern int nouveau_bo_unpin(struct nouveau_bo *);
1257extern int nouveau_bo_map(struct nouveau_bo *);
1258extern void nouveau_bo_unmap(struct nouveau_bo *);
1259extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1260				     uint32_t busy);
1261extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1262extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1263extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1264extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1265extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1266extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1267			       bool no_wait_reserve, bool no_wait_gpu);
1268
1269/* nouveau_fence.c */
1270struct nouveau_fence;
1271extern int nouveau_fence_init(struct drm_device *);
1272extern void nouveau_fence_fini(struct drm_device *);
1273extern int nouveau_fence_channel_init(struct nouveau_channel *);
1274extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1275extern void nouveau_fence_update(struct nouveau_channel *);
1276extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1277			     bool emit);
1278extern int nouveau_fence_emit(struct nouveau_fence *);
1279extern void nouveau_fence_work(struct nouveau_fence *fence,
1280			       void (*work)(void *priv, bool signalled),
1281			       void *priv);
1282struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1283
1284extern bool __nouveau_fence_signalled(void *obj, void *arg);
1285extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1286extern int __nouveau_fence_flush(void *obj, void *arg);
1287extern void __nouveau_fence_unref(void **obj);
1288extern void *__nouveau_fence_ref(void *obj);
1289
1290static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1291{
1292	return __nouveau_fence_signalled(obj, NULL);
1293}
1294static inline int
1295nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1296{
1297	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1298}
1299extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1300static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1301{
1302	return __nouveau_fence_flush(obj, NULL);
1303}
1304static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1305{
1306	__nouveau_fence_unref((void **)obj);
1307}
1308static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1309{
1310	return __nouveau_fence_ref(obj);
1311}
1312
1313/* nouveau_gem.c */
1314extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1315			   int size, int align, uint32_t domain,
1316			   uint32_t tile_mode, uint32_t tile_flags,
1317			   struct nouveau_bo **);
1318extern int nouveau_gem_object_new(struct drm_gem_object *);
1319extern void nouveau_gem_object_del(struct drm_gem_object *);
1320extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1321				 struct drm_file *);
1322extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1323				     struct drm_file *);
1324extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1325				      struct drm_file *);
1326extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1327				      struct drm_file *);
1328extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1329				  struct drm_file *);
1330
1331/* nouveau_display.c */
1332int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1333void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1334int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1335			   struct drm_pending_vblank_event *event);
1336int nouveau_finish_page_flip(struct nouveau_channel *,
1337			     struct nouveau_page_flip_state *);
1338
1339/* nv10_gpio.c */
1340int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1341int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1342
1343/* nv50_gpio.c */
1344int nv50_gpio_init(struct drm_device *dev);
1345void nv50_gpio_fini(struct drm_device *dev);
1346int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1347int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1348int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1349			    void (*)(void *, int), void *);
1350void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1351			      void (*)(void *, int), void *);
1352bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1353
1354/* nv50_calc. */
1355int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1356		  int *N1, int *M1, int *N2, int *M2, int *P);
1357int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1358		  int clk, int *N, int *fN, int *M, int *P);
1359
1360#ifndef ioread32_native
1361#ifdef __BIG_ENDIAN
1362#define ioread16_native ioread16be
1363#define iowrite16_native iowrite16be
1364#define ioread32_native  ioread32be
1365#define iowrite32_native iowrite32be
1366#else /* def __BIG_ENDIAN */
1367#define ioread16_native ioread16
1368#define iowrite16_native iowrite16
1369#define ioread32_native  ioread32
1370#define iowrite32_native iowrite32
1371#endif /* def __BIG_ENDIAN else */
1372#endif /* !ioread32_native */
1373
1374/* channel control reg access */
1375static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1376{
1377	return ioread32_native(chan->user + reg);
1378}
1379
1380static inline void nvchan_wr32(struct nouveau_channel *chan,
1381							unsigned reg, u32 val)
1382{
1383	iowrite32_native(val, chan->user + reg);
1384}
1385
1386/* register access */
1387static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1388{
1389	struct drm_nouveau_private *dev_priv = dev->dev_private;
1390	return ioread32_native(dev_priv->mmio + reg);
1391}
1392
1393static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1394{
1395	struct drm_nouveau_private *dev_priv = dev->dev_private;
1396	iowrite32_native(val, dev_priv->mmio + reg);
1397}
1398
1399static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1400{
1401	u32 tmp = nv_rd32(dev, reg);
1402	nv_wr32(dev, reg, (tmp & ~mask) | val);
1403	return tmp;
1404}
1405
1406static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1407{
1408	struct drm_nouveau_private *dev_priv = dev->dev_private;
1409	return ioread8(dev_priv->mmio + reg);
1410}
1411
1412static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1413{
1414	struct drm_nouveau_private *dev_priv = dev->dev_private;
1415	iowrite8(val, dev_priv->mmio + reg);
1416}
1417
1418#define nv_wait(dev, reg, mask, val) \
1419	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1420#define nv_wait_ne(dev, reg, mask, val) \
1421	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1422
1423/* PRAMIN access */
1424static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1425{
1426	struct drm_nouveau_private *dev_priv = dev->dev_private;
1427	return ioread32_native(dev_priv->ramin + offset);
1428}
1429
1430static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1431{
1432	struct drm_nouveau_private *dev_priv = dev->dev_private;
1433	iowrite32_native(val, dev_priv->ramin + offset);
1434}
1435
1436/* object access */
1437extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1438extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1439
1440/*
1441 * Logging
1442 * Argument d is (struct drm_device *).
1443 */
1444#define NV_PRINTK(level, d, fmt, arg...) \
1445	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1446					pci_name(d->pdev), ##arg)
1447#ifndef NV_DEBUG_NOTRACE
1448#define NV_DEBUG(d, fmt, arg...) do {                                          \
1449	if (drm_debug & DRM_UT_DRIVER) {                                       \
1450		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1451			  __LINE__, ##arg);                                    \
1452	}                                                                      \
1453} while (0)
1454#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1455	if (drm_debug & DRM_UT_KMS) {                                          \
1456		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1457			  __LINE__, ##arg);                                    \
1458	}                                                                      \
1459} while (0)
1460#else
1461#define NV_DEBUG(d, fmt, arg...) do {                                          \
1462	if (drm_debug & DRM_UT_DRIVER)                                         \
1463		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1464} while (0)
1465#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1466	if (drm_debug & DRM_UT_KMS)                                            \
1467		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1468} while (0)
1469#endif
1470#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1471#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1472#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1473#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1474#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1475
1476/* nouveau_reg_debug bitmask */
1477enum {
1478	NOUVEAU_REG_DEBUG_MC             = 0x1,
1479	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1480	NOUVEAU_REG_DEBUG_FB             = 0x4,
1481	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1482	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1483	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1484	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1485	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1486	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1487	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1488};
1489
1490#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1491	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1492		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1493} while (0)
1494
1495static inline bool
1496nv_two_heads(struct drm_device *dev)
1497{
1498	struct drm_nouveau_private *dev_priv = dev->dev_private;
1499	const int impl = dev->pci_device & 0x0ff0;
1500
1501	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1502	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1503		return true;
1504
1505	return false;
1506}
1507
1508static inline bool
1509nv_gf4_disp_arch(struct drm_device *dev)
1510{
1511	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1512}
1513
1514static inline bool
1515nv_two_reg_pll(struct drm_device *dev)
1516{
1517	struct drm_nouveau_private *dev_priv = dev->dev_private;
1518	const int impl = dev->pci_device & 0x0ff0;
1519
1520	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1521		return true;
1522	return false;
1523}
1524
1525static inline bool
1526nv_match_device(struct drm_device *dev, unsigned device,
1527		unsigned sub_vendor, unsigned sub_device)
1528{
1529	return dev->pdev->device == device &&
1530		dev->pdev->subsystem_vendor == sub_vendor &&
1531		dev->pdev->subsystem_device == sub_device;
1532}
1533
1534static inline void *
1535nv_engine(struct drm_device *dev, int engine)
1536{
1537	struct drm_nouveau_private *dev_priv = dev->dev_private;
1538	return (void *)dev_priv->eng[engine];
1539}
1540
1541/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1542 * helpful to determine a number of other hardware features
1543 */
1544static inline int
1545nv44_graph_class(struct drm_device *dev)
1546{
1547	struct drm_nouveau_private *dev_priv = dev->dev_private;
1548
1549	if ((dev_priv->chipset & 0xf0) == 0x60)
1550		return 1;
1551
1552	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1553}
1554
1555/* memory type/access flags, do not match hardware values */
1556#define NV_MEM_ACCESS_RO  1
1557#define NV_MEM_ACCESS_WO  2
1558#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1559#define NV_MEM_ACCESS_SYS 4
1560#define NV_MEM_ACCESS_VM  8
1561
1562#define NV_MEM_TARGET_VRAM        0
1563#define NV_MEM_TARGET_PCI         1
1564#define NV_MEM_TARGET_PCI_NOSNOOP 2
1565#define NV_MEM_TARGET_VM          3
1566#define NV_MEM_TARGET_GART        4
1567
1568#define NV_MEM_TYPE_VM 0x7f
1569#define NV_MEM_COMP_VM 0x03
1570
1571/* NV_SW object class */
1572#define NV_SW                                                        0x0000506e
1573#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1574#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1575#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1576#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1577#define NV_SW_YIELD                                                  0x00000080
1578#define NV_SW_DMA_VBLSEM                                             0x0000018c
1579#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1580#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1581#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1582#define NV_SW_PAGE_FLIP                                              0x00000500
1583
1584#endif /* __NOUVEAU_DRV_H__ */
1585