nouveau_drv.h revision 6c320fef5835240bf414b54e697e517a160663f4
1/*
2 * Copyright 2005 Stephane Marchesin.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef __NOUVEAU_DRV_H__
26#define __NOUVEAU_DRV_H__
27
28#define DRIVER_AUTHOR		"Stephane Marchesin"
29#define DRIVER_EMAIL		"dri-devel@lists.sourceforge.net"
30
31#define DRIVER_NAME		"nouveau"
32#define DRIVER_DESC		"nVidia Riva/TNT/GeForce"
33#define DRIVER_DATE		"20090420"
34
35#define DRIVER_MAJOR		0
36#define DRIVER_MINOR		0
37#define DRIVER_PATCHLEVEL	16
38
39#define NOUVEAU_FAMILY   0x0000FFFF
40#define NOUVEAU_FLAGS    0xFFFF0000
41
42#include "ttm/ttm_bo_api.h"
43#include "ttm/ttm_bo_driver.h"
44#include "ttm/ttm_placement.h"
45#include "ttm/ttm_memory.h"
46#include "ttm/ttm_module.h"
47
48struct nouveau_fpriv {
49	spinlock_t lock;
50	struct list_head channels;
51	struct nouveau_vm *vm;
52};
53
54static inline struct nouveau_fpriv *
55nouveau_fpriv(struct drm_file *file_priv)
56{
57	return file_priv ? file_priv->driver_priv : NULL;
58}
59
60#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
61
62#include "nouveau_drm.h"
63#include "nouveau_reg.h"
64#include "nouveau_bios.h"
65#include "nouveau_util.h"
66
67struct nouveau_grctx;
68struct nouveau_mem;
69#include "nouveau_vm.h"
70
71#define MAX_NUM_DCB_ENTRIES 16
72
73#define NOUVEAU_MAX_CHANNEL_NR 128
74#define NOUVEAU_MAX_TILE_NR 15
75
76struct nouveau_mem {
77	struct drm_device *dev;
78
79	struct nouveau_vma bar_vma;
80	struct nouveau_vma vma[2];
81	u8  page_shift;
82
83	struct drm_mm_node *tag;
84	struct list_head regions;
85	dma_addr_t *pages;
86	u32 memtype;
87	u64 offset;
88	u64 size;
89};
90
91struct nouveau_tile_reg {
92	bool used;
93	uint32_t addr;
94	uint32_t limit;
95	uint32_t pitch;
96	uint32_t zcomp;
97	struct drm_mm_node *tag_mem;
98	struct nouveau_fence *fence;
99};
100
101struct nouveau_bo {
102	struct ttm_buffer_object bo;
103	struct ttm_placement placement;
104	u32 valid_domains;
105	u32 placements[3];
106	u32 busy_placements[3];
107	struct ttm_bo_kmap_obj kmap;
108	struct list_head head;
109
110	/* protected by ttm_bo_reserve() */
111	struct drm_file *reserved_by;
112	struct list_head entry;
113	int pbbo_index;
114	bool validate_mapped;
115
116	struct nouveau_channel *channel;
117
118	struct list_head vma_list;
119	unsigned page_shift;
120
121	uint32_t tile_mode;
122	uint32_t tile_flags;
123	struct nouveau_tile_reg *tile;
124
125	struct drm_gem_object *gem;
126	int pin_refcnt;
127};
128
129#define nouveau_bo_tile_layout(nvbo)				\
130	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
131
132static inline struct nouveau_bo *
133nouveau_bo(struct ttm_buffer_object *bo)
134{
135	return container_of(bo, struct nouveau_bo, bo);
136}
137
138static inline struct nouveau_bo *
139nouveau_gem_object(struct drm_gem_object *gem)
140{
141	return gem ? gem->driver_private : NULL;
142}
143
144/* TODO: submit equivalent to TTM generic API upstream? */
145static inline void __iomem *
146nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
147{
148	bool is_iomem;
149	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
150						&nvbo->kmap, &is_iomem);
151	WARN_ON_ONCE(ioptr && !is_iomem);
152	return ioptr;
153}
154
155enum nouveau_flags {
156	NV_NFORCE   = 0x10000000,
157	NV_NFORCE2  = 0x20000000
158};
159
160#define NVOBJ_ENGINE_SW		0
161#define NVOBJ_ENGINE_GR		1
162#define NVOBJ_ENGINE_CRYPT	2
163#define NVOBJ_ENGINE_COPY0	3
164#define NVOBJ_ENGINE_COPY1	4
165#define NVOBJ_ENGINE_MPEG	5
166#define NVOBJ_ENGINE_DISPLAY	15
167#define NVOBJ_ENGINE_NR		16
168
169#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
170#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
171#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
172#define NVOBJ_FLAG_VM			(1 << 3)
173#define NVOBJ_FLAG_VM_USER		(1 << 4)
174
175#define NVOBJ_CINST_GLOBAL	0xdeadbeef
176
177struct nouveau_gpuobj {
178	struct drm_device *dev;
179	struct kref refcount;
180	struct list_head list;
181
182	void *node;
183	u32 *suspend;
184
185	uint32_t flags;
186
187	u32 size;
188	u32 pinst;	/* PRAMIN BAR offset */
189	u32 cinst;	/* Channel offset */
190	u64 vinst;	/* VRAM address */
191	u64 linst;	/* VM address */
192
193	uint32_t engine;
194	uint32_t class;
195
196	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
197	void *priv;
198};
199
200struct nouveau_page_flip_state {
201	struct list_head head;
202	struct drm_pending_vblank_event *event;
203	int crtc, bpp, pitch, x, y;
204	uint64_t offset;
205};
206
207enum nouveau_channel_mutex_class {
208	NOUVEAU_UCHANNEL_MUTEX,
209	NOUVEAU_KCHANNEL_MUTEX
210};
211
212struct nouveau_channel {
213	struct drm_device *dev;
214	struct list_head list;
215	int id;
216
217	/* references to the channel data structure */
218	struct kref ref;
219	/* users of the hardware channel resources, the hardware
220	 * context will be kicked off when it reaches zero. */
221	atomic_t users;
222	struct mutex mutex;
223
224	/* owner of this fifo */
225	struct drm_file *file_priv;
226	/* mapping of the fifo itself */
227	struct drm_local_map *map;
228
229	/* mapping of the regs controlling the fifo */
230	void __iomem *user;
231	uint32_t user_get;
232	uint32_t user_put;
233
234	/* Fencing */
235	struct {
236		/* lock protects the pending list only */
237		spinlock_t lock;
238		struct list_head pending;
239		uint32_t sequence;
240		uint32_t sequence_ack;
241		atomic_t last_sequence_irq;
242		struct nouveau_vma vma;
243	} fence;
244
245	/* DMA push buffer */
246	struct nouveau_gpuobj *pushbuf;
247	struct nouveau_bo     *pushbuf_bo;
248	struct nouveau_vma     pushbuf_vma;
249	uint32_t               pushbuf_base;
250
251	/* Notifier memory */
252	struct nouveau_bo *notifier_bo;
253	struct nouveau_vma notifier_vma;
254	struct drm_mm notifier_heap;
255
256	/* PFIFO context */
257	struct nouveau_gpuobj *ramfc;
258	struct nouveau_gpuobj *cache;
259	void *fifo_priv;
260
261	/* Execution engine contexts */
262	void *engctx[NVOBJ_ENGINE_NR];
263
264	/* NV50 VM */
265	struct nouveau_vm     *vm;
266	struct nouveau_gpuobj *vm_pd;
267
268	/* Objects */
269	struct nouveau_gpuobj *ramin; /* Private instmem */
270	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
271	struct nouveau_ramht  *ramht; /* Hash table */
272
273	/* GPU object info for stuff used in-kernel (mm_enabled) */
274	uint32_t m2mf_ntfy;
275	uint32_t vram_handle;
276	uint32_t gart_handle;
277	bool accel_done;
278
279	/* Push buffer state (only for drm's channel on !mm_enabled) */
280	struct {
281		int max;
282		int free;
283		int cur;
284		int put;
285		/* access via pushbuf_bo */
286
287		int ib_base;
288		int ib_max;
289		int ib_free;
290		int ib_put;
291	} dma;
292
293	uint32_t sw_subchannel[8];
294
295	struct nouveau_vma dispc_vma[2];
296	struct {
297		struct nouveau_gpuobj *vblsem;
298		uint32_t vblsem_head;
299		uint32_t vblsem_offset;
300		uint32_t vblsem_rval;
301		struct list_head vbl_wait;
302		struct list_head flip;
303	} nvsw;
304
305	struct {
306		bool active;
307		char name[32];
308		struct drm_info_list info;
309	} debugfs;
310};
311
312struct nouveau_exec_engine {
313	void (*destroy)(struct drm_device *, int engine);
314	int  (*init)(struct drm_device *, int engine);
315	int  (*fini)(struct drm_device *, int engine, bool suspend);
316	int  (*context_new)(struct nouveau_channel *, int engine);
317	void (*context_del)(struct nouveau_channel *, int engine);
318	int  (*object_new)(struct nouveau_channel *, int engine,
319			   u32 handle, u16 class);
320	void (*set_tile_region)(struct drm_device *dev, int i);
321	void (*tlb_flush)(struct drm_device *, int engine);
322};
323
324struct nouveau_instmem_engine {
325	void	*priv;
326
327	int	(*init)(struct drm_device *dev);
328	void	(*takedown)(struct drm_device *dev);
329	int	(*suspend)(struct drm_device *dev);
330	void	(*resume)(struct drm_device *dev);
331
332	int	(*get)(struct nouveau_gpuobj *, struct nouveau_channel *,
333		       u32 size, u32 align);
334	void	(*put)(struct nouveau_gpuobj *);
335	int	(*map)(struct nouveau_gpuobj *);
336	void	(*unmap)(struct nouveau_gpuobj *);
337
338	void	(*flush)(struct drm_device *);
339};
340
341struct nouveau_mc_engine {
342	int  (*init)(struct drm_device *dev);
343	void (*takedown)(struct drm_device *dev);
344};
345
346struct nouveau_timer_engine {
347	int      (*init)(struct drm_device *dev);
348	void     (*takedown)(struct drm_device *dev);
349	uint64_t (*read)(struct drm_device *dev);
350};
351
352struct nouveau_fb_engine {
353	int num_tiles;
354	struct drm_mm tag_heap;
355	void *priv;
356
357	int  (*init)(struct drm_device *dev);
358	void (*takedown)(struct drm_device *dev);
359
360	void (*init_tile_region)(struct drm_device *dev, int i,
361				 uint32_t addr, uint32_t size,
362				 uint32_t pitch, uint32_t flags);
363	void (*set_tile_region)(struct drm_device *dev, int i);
364	void (*free_tile_region)(struct drm_device *dev, int i);
365};
366
367struct nouveau_fifo_engine {
368	void *priv;
369	int  channels;
370
371	struct nouveau_gpuobj *playlist[2];
372	int cur_playlist;
373
374	int  (*init)(struct drm_device *);
375	void (*takedown)(struct drm_device *);
376
377	void (*disable)(struct drm_device *);
378	void (*enable)(struct drm_device *);
379	bool (*reassign)(struct drm_device *, bool enable);
380	bool (*cache_pull)(struct drm_device *dev, bool enable);
381
382	int  (*channel_id)(struct drm_device *);
383
384	int  (*create_context)(struct nouveau_channel *);
385	void (*destroy_context)(struct nouveau_channel *);
386	int  (*load_context)(struct nouveau_channel *);
387	int  (*unload_context)(struct drm_device *);
388	void (*tlb_flush)(struct drm_device *dev);
389};
390
391struct nouveau_display_engine {
392	void *priv;
393	int (*early_init)(struct drm_device *);
394	void (*late_takedown)(struct drm_device *);
395	int (*create)(struct drm_device *);
396	int (*init)(struct drm_device *);
397	void (*destroy)(struct drm_device *);
398};
399
400struct nouveau_gpio_engine {
401	void *priv;
402
403	int  (*init)(struct drm_device *);
404	void (*takedown)(struct drm_device *);
405
406	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
407	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
408
409	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
410			     void (*)(void *, int), void *);
411	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
412			       void (*)(void *, int), void *);
413	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
414};
415
416struct nouveau_pm_voltage_level {
417	u8 voltage;
418	u8 vid;
419};
420
421struct nouveau_pm_voltage {
422	bool supported;
423	u8 vid_mask;
424
425	struct nouveau_pm_voltage_level *level;
426	int nr_level;
427};
428
429struct nouveau_pm_memtiming {
430	int id;
431	u32 reg_100220;
432	u32 reg_100224;
433	u32 reg_100228;
434	u32 reg_10022c;
435	u32 reg_100230;
436	u32 reg_100234;
437	u32 reg_100238;
438	u32 reg_10023c;
439	u32 reg_100240;
440};
441
442#define NOUVEAU_PM_MAX_LEVEL 8
443struct nouveau_pm_level {
444	struct device_attribute dev_attr;
445	char name[32];
446	int id;
447
448	u32 core;
449	u32 memory;
450	u32 shader;
451	u32 unk05;
452	u32 unk0a;
453
454	u8 voltage;
455	u8 fanspeed;
456
457	u16 memscript;
458	struct nouveau_pm_memtiming *timing;
459};
460
461struct nouveau_pm_temp_sensor_constants {
462	u16 offset_constant;
463	s16 offset_mult;
464	s16 offset_div;
465	s16 slope_mult;
466	s16 slope_div;
467};
468
469struct nouveau_pm_threshold_temp {
470	s16 critical;
471	s16 down_clock;
472	s16 fan_boost;
473};
474
475struct nouveau_pm_memtimings {
476	bool supported;
477	struct nouveau_pm_memtiming *timing;
478	int nr_timing;
479};
480
481struct nouveau_pm_engine {
482	struct nouveau_pm_voltage voltage;
483	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
484	int nr_perflvl;
485	struct nouveau_pm_memtimings memtimings;
486	struct nouveau_pm_temp_sensor_constants sensor_constants;
487	struct nouveau_pm_threshold_temp threshold_temp;
488
489	struct nouveau_pm_level boot;
490	struct nouveau_pm_level *cur;
491
492	struct device *hwmon;
493	struct notifier_block acpi_nb;
494
495	int (*clock_get)(struct drm_device *, u32 id);
496	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
497			   u32 id, int khz);
498	void (*clock_set)(struct drm_device *, void *);
499	int (*voltage_get)(struct drm_device *);
500	int (*voltage_set)(struct drm_device *, int voltage);
501	int (*fanspeed_get)(struct drm_device *);
502	int (*fanspeed_set)(struct drm_device *, int fanspeed);
503	int (*temp_get)(struct drm_device *);
504};
505
506struct nouveau_vram_engine {
507	struct nouveau_mm *mm;
508
509	int  (*init)(struct drm_device *);
510	void (*takedown)(struct drm_device *dev);
511	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
512		    u32 type, struct nouveau_mem **);
513	void (*put)(struct drm_device *, struct nouveau_mem **);
514
515	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
516};
517
518struct nouveau_engine {
519	struct nouveau_instmem_engine instmem;
520	struct nouveau_mc_engine      mc;
521	struct nouveau_timer_engine   timer;
522	struct nouveau_fb_engine      fb;
523	struct nouveau_fifo_engine    fifo;
524	struct nouveau_display_engine display;
525	struct nouveau_gpio_engine    gpio;
526	struct nouveau_pm_engine      pm;
527	struct nouveau_vram_engine    vram;
528};
529
530struct nouveau_pll_vals {
531	union {
532		struct {
533#ifdef __BIG_ENDIAN
534			uint8_t N1, M1, N2, M2;
535#else
536			uint8_t M1, N1, M2, N2;
537#endif
538		};
539		struct {
540			uint16_t NM1, NM2;
541		} __attribute__((packed));
542	};
543	int log2P;
544
545	int refclk;
546};
547
548enum nv04_fp_display_regs {
549	FP_DISPLAY_END,
550	FP_TOTAL,
551	FP_CRTC,
552	FP_SYNC_START,
553	FP_SYNC_END,
554	FP_VALID_START,
555	FP_VALID_END
556};
557
558struct nv04_crtc_reg {
559	unsigned char MiscOutReg;
560	uint8_t CRTC[0xa0];
561	uint8_t CR58[0x10];
562	uint8_t Sequencer[5];
563	uint8_t Graphics[9];
564	uint8_t Attribute[21];
565	unsigned char DAC[768];
566
567	/* PCRTC regs */
568	uint32_t fb_start;
569	uint32_t crtc_cfg;
570	uint32_t cursor_cfg;
571	uint32_t gpio_ext;
572	uint32_t crtc_830;
573	uint32_t crtc_834;
574	uint32_t crtc_850;
575	uint32_t crtc_eng_ctrl;
576
577	/* PRAMDAC regs */
578	uint32_t nv10_cursync;
579	struct nouveau_pll_vals pllvals;
580	uint32_t ramdac_gen_ctrl;
581	uint32_t ramdac_630;
582	uint32_t ramdac_634;
583	uint32_t tv_setup;
584	uint32_t tv_vtotal;
585	uint32_t tv_vskew;
586	uint32_t tv_vsync_delay;
587	uint32_t tv_htotal;
588	uint32_t tv_hskew;
589	uint32_t tv_hsync_delay;
590	uint32_t tv_hsync_delay2;
591	uint32_t fp_horiz_regs[7];
592	uint32_t fp_vert_regs[7];
593	uint32_t dither;
594	uint32_t fp_control;
595	uint32_t dither_regs[6];
596	uint32_t fp_debug_0;
597	uint32_t fp_debug_1;
598	uint32_t fp_debug_2;
599	uint32_t fp_margin_color;
600	uint32_t ramdac_8c0;
601	uint32_t ramdac_a20;
602	uint32_t ramdac_a24;
603	uint32_t ramdac_a34;
604	uint32_t ctv_regs[38];
605};
606
607struct nv04_output_reg {
608	uint32_t output;
609	int head;
610};
611
612struct nv04_mode_state {
613	struct nv04_crtc_reg crtc_reg[2];
614	uint32_t pllsel;
615	uint32_t sel_clk;
616};
617
618enum nouveau_card_type {
619	NV_04      = 0x00,
620	NV_10      = 0x10,
621	NV_20      = 0x20,
622	NV_30      = 0x30,
623	NV_40      = 0x40,
624	NV_50      = 0x50,
625	NV_C0      = 0xc0,
626};
627
628struct drm_nouveau_private {
629	struct drm_device *dev;
630	bool noaccel;
631
632	/* the card type, takes NV_* as values */
633	enum nouveau_card_type card_type;
634	/* exact chipset, derived from NV_PMC_BOOT_0 */
635	int chipset;
636	int stepping;
637	int flags;
638
639	void __iomem *mmio;
640
641	spinlock_t ramin_lock;
642	void __iomem *ramin;
643	u32 ramin_size;
644	u32 ramin_base;
645	bool ramin_available;
646	struct drm_mm ramin_heap;
647	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
648	struct list_head gpuobj_list;
649	struct list_head classes;
650
651	struct nouveau_bo *vga_ram;
652
653	/* interrupt handling */
654	void (*irq_handler[32])(struct drm_device *);
655	bool msi_enabled;
656
657	struct list_head vbl_waiting;
658
659	struct {
660		struct drm_global_reference mem_global_ref;
661		struct ttm_bo_global_ref bo_global_ref;
662		struct ttm_bo_device bdev;
663		atomic_t validate_sequence;
664	} ttm;
665
666	struct {
667		spinlock_t lock;
668		struct drm_mm heap;
669		struct nouveau_bo *bo;
670	} fence;
671
672	struct {
673		spinlock_t lock;
674		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
675	} channels;
676
677	struct nouveau_engine engine;
678	struct nouveau_channel *channel;
679
680	/* For PFIFO and PGRAPH. */
681	spinlock_t context_switch_lock;
682
683	/* VM/PRAMIN flush, legacy PRAMIN aperture */
684	spinlock_t vm_lock;
685
686	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
687	struct nouveau_ramht  *ramht;
688	struct nouveau_gpuobj *ramfc;
689	struct nouveau_gpuobj *ramro;
690
691	uint32_t ramin_rsvd_vram;
692
693	struct {
694		enum {
695			NOUVEAU_GART_NONE = 0,
696			NOUVEAU_GART_AGP,	/* AGP */
697			NOUVEAU_GART_PDMA,	/* paged dma object */
698			NOUVEAU_GART_HW		/* on-chip gart/vm */
699		} type;
700		uint64_t aper_base;
701		uint64_t aper_size;
702		uint64_t aper_free;
703
704		struct ttm_backend_func *func;
705
706		struct {
707			struct page *page;
708			dma_addr_t   addr;
709		} dummy;
710
711		struct nouveau_gpuobj *sg_ctxdma;
712	} gart_info;
713
714	/* nv10-nv40 tiling regions */
715	struct {
716		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
717		spinlock_t lock;
718	} tile;
719
720	/* VRAM/fb configuration */
721	uint64_t vram_size;
722	uint64_t vram_sys_base;
723
724	uint64_t fb_phys;
725	uint64_t fb_available_size;
726	uint64_t fb_mappable_pages;
727	uint64_t fb_aper_free;
728	int fb_mtrr;
729
730	/* BAR control (NV50-) */
731	struct nouveau_vm *bar1_vm;
732	struct nouveau_vm *bar3_vm;
733
734	/* G8x/G9x virtual address space */
735	struct nouveau_vm *chan_vm;
736
737	struct nvbios vbios;
738
739	struct nv04_mode_state mode_reg;
740	struct nv04_mode_state saved_reg;
741	uint32_t saved_vga_font[4][16384];
742	uint32_t crtc_owner;
743	uint32_t dac_users[4];
744
745	struct backlight_device *backlight;
746
747	struct {
748		struct dentry *channel_root;
749	} debugfs;
750
751	struct nouveau_fbdev *nfbdev;
752	struct apertures_struct *apertures;
753};
754
755static inline struct drm_nouveau_private *
756nouveau_private(struct drm_device *dev)
757{
758	return dev->dev_private;
759}
760
761static inline struct drm_nouveau_private *
762nouveau_bdev(struct ttm_bo_device *bd)
763{
764	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
765}
766
767static inline int
768nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
769{
770	struct nouveau_bo *prev;
771
772	if (!pnvbo)
773		return -EINVAL;
774	prev = *pnvbo;
775
776	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
777	if (prev) {
778		struct ttm_buffer_object *bo = &prev->bo;
779
780		ttm_bo_unref(&bo);
781	}
782
783	return 0;
784}
785
786/* nouveau_drv.c */
787extern int nouveau_agpmode;
788extern int nouveau_duallink;
789extern int nouveau_uscript_lvds;
790extern int nouveau_uscript_tmds;
791extern int nouveau_vram_pushbuf;
792extern int nouveau_vram_notify;
793extern int nouveau_fbpercrtc;
794extern int nouveau_tv_disable;
795extern char *nouveau_tv_norm;
796extern int nouveau_reg_debug;
797extern char *nouveau_vbios;
798extern int nouveau_ignorelid;
799extern int nouveau_nofbaccel;
800extern int nouveau_noaccel;
801extern int nouveau_force_post;
802extern int nouveau_override_conntype;
803extern char *nouveau_perflvl;
804extern int nouveau_perflvl_wr;
805extern int nouveau_msi;
806extern int nouveau_ctxfw;
807
808extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
809extern int nouveau_pci_resume(struct pci_dev *pdev);
810
811/* nouveau_state.c */
812extern int  nouveau_open(struct drm_device *, struct drm_file *);
813extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
814extern void nouveau_postclose(struct drm_device *, struct drm_file *);
815extern int  nouveau_load(struct drm_device *, unsigned long flags);
816extern int  nouveau_firstopen(struct drm_device *);
817extern void nouveau_lastclose(struct drm_device *);
818extern int  nouveau_unload(struct drm_device *);
819extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
820				   struct drm_file *);
821extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
822				   struct drm_file *);
823extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
824			    uint32_t reg, uint32_t mask, uint32_t val);
825extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
826			    uint32_t reg, uint32_t mask, uint32_t val);
827extern bool nouveau_wait_for_idle(struct drm_device *);
828extern int  nouveau_card_init(struct drm_device *);
829
830/* nouveau_mem.c */
831extern int  nouveau_mem_vram_init(struct drm_device *);
832extern void nouveau_mem_vram_fini(struct drm_device *);
833extern int  nouveau_mem_gart_init(struct drm_device *);
834extern void nouveau_mem_gart_fini(struct drm_device *);
835extern int  nouveau_mem_init_agp(struct drm_device *);
836extern int  nouveau_mem_reset_agp(struct drm_device *);
837extern void nouveau_mem_close(struct drm_device *);
838extern int  nouveau_mem_detect(struct drm_device *);
839extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
840extern struct nouveau_tile_reg *nv10_mem_set_tiling(
841	struct drm_device *dev, uint32_t addr, uint32_t size,
842	uint32_t pitch, uint32_t flags);
843extern void nv10_mem_put_tile_region(struct drm_device *dev,
844				     struct nouveau_tile_reg *tile,
845				     struct nouveau_fence *fence);
846extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
847extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
848
849/* nouveau_notifier.c */
850extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
851extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
852extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
853				   int cout, uint32_t start, uint32_t end,
854				   uint32_t *offset);
855extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
856extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
857					 struct drm_file *);
858extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
859					struct drm_file *);
860
861/* nouveau_channel.c */
862extern struct drm_ioctl_desc nouveau_ioctls[];
863extern int nouveau_max_ioctl;
864extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
865extern int  nouveau_channel_alloc(struct drm_device *dev,
866				  struct nouveau_channel **chan,
867				  struct drm_file *file_priv,
868				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
869extern struct nouveau_channel *
870nouveau_channel_get_unlocked(struct nouveau_channel *);
871extern struct nouveau_channel *
872nouveau_channel_get(struct drm_file *, int id);
873extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
874extern void nouveau_channel_put(struct nouveau_channel **);
875extern void nouveau_channel_ref(struct nouveau_channel *chan,
876				struct nouveau_channel **pchan);
877extern void nouveau_channel_idle(struct nouveau_channel *chan);
878
879/* nouveau_object.c */
880#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
881	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
882	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
883} while (0)
884
885#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
886	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
887	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
888} while (0)
889
890#define NVOBJ_CLASS(d, c, e) do {                                              \
891	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
892	if (ret)                                                               \
893		return ret;                                                    \
894} while (0)
895
896#define NVOBJ_MTHD(d, c, m, e) do {                                            \
897	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
898	if (ret)                                                               \
899		return ret;                                                    \
900} while (0)
901
902extern int  nouveau_gpuobj_early_init(struct drm_device *);
903extern int  nouveau_gpuobj_init(struct drm_device *);
904extern void nouveau_gpuobj_takedown(struct drm_device *);
905extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
906extern void nouveau_gpuobj_resume(struct drm_device *dev);
907extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
908extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
909				    int (*exec)(struct nouveau_channel *,
910						u32 class, u32 mthd, u32 data));
911extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
912extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
913extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
914				       uint32_t vram_h, uint32_t tt_h);
915extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
916extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
917			      uint32_t size, int align, uint32_t flags,
918			      struct nouveau_gpuobj **);
919extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
920			       struct nouveau_gpuobj **);
921extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
922				   u32 size, u32 flags,
923				   struct nouveau_gpuobj **);
924extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
925				  uint64_t offset, uint64_t size, int access,
926				  int target, struct nouveau_gpuobj **);
927extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
928extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
929			       u64 size, int target, int access, u32 type,
930			       u32 comp, struct nouveau_gpuobj **pobj);
931extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
932				 int class, u64 base, u64 size, int target,
933				 int access, u32 type, u32 comp);
934extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
935				     struct drm_file *);
936extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
937				     struct drm_file *);
938
939/* nouveau_irq.c */
940extern int         nouveau_irq_init(struct drm_device *);
941extern void        nouveau_irq_fini(struct drm_device *);
942extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
943extern void        nouveau_irq_register(struct drm_device *, int status_bit,
944					void (*)(struct drm_device *));
945extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
946extern void        nouveau_irq_preinstall(struct drm_device *);
947extern int         nouveau_irq_postinstall(struct drm_device *);
948extern void        nouveau_irq_uninstall(struct drm_device *);
949
950/* nouveau_sgdma.c */
951extern int nouveau_sgdma_init(struct drm_device *);
952extern void nouveau_sgdma_takedown(struct drm_device *);
953extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
954					   uint32_t offset);
955extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
956
957/* nouveau_debugfs.c */
958#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
959extern int  nouveau_debugfs_init(struct drm_minor *);
960extern void nouveau_debugfs_takedown(struct drm_minor *);
961extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
962extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
963#else
964static inline int
965nouveau_debugfs_init(struct drm_minor *minor)
966{
967	return 0;
968}
969
970static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
971{
972}
973
974static inline int
975nouveau_debugfs_channel_init(struct nouveau_channel *chan)
976{
977	return 0;
978}
979
980static inline void
981nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
982{
983}
984#endif
985
986/* nouveau_dma.c */
987extern void nouveau_dma_pre_init(struct nouveau_channel *);
988extern int  nouveau_dma_init(struct nouveau_channel *);
989extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
990
991/* nouveau_acpi.c */
992#define ROM_BIOS_PAGE 4096
993#if defined(CONFIG_ACPI)
994void nouveau_register_dsm_handler(void);
995void nouveau_unregister_dsm_handler(void);
996int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
997bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
998int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
999#else
1000static inline void nouveau_register_dsm_handler(void) {}
1001static inline void nouveau_unregister_dsm_handler(void) {}
1002static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
1003static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
1004static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
1005#endif
1006
1007/* nouveau_backlight.c */
1008#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1009extern int nouveau_backlight_init(struct drm_connector *);
1010extern void nouveau_backlight_exit(struct drm_connector *);
1011#else
1012static inline int nouveau_backlight_init(struct drm_connector *dev)
1013{
1014	return 0;
1015}
1016
1017static inline void nouveau_backlight_exit(struct drm_connector *dev) { }
1018#endif
1019
1020/* nouveau_bios.c */
1021extern int nouveau_bios_init(struct drm_device *);
1022extern void nouveau_bios_takedown(struct drm_device *dev);
1023extern int nouveau_run_vbios_init(struct drm_device *);
1024extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1025					struct dcb_entry *);
1026extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1027						      enum dcb_gpio_tag);
1028extern struct dcb_connector_table_entry *
1029nouveau_bios_connector_entry(struct drm_device *, int index);
1030extern u32 get_pll_register(struct drm_device *, enum pll_types);
1031extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1032			  struct pll_lims *);
1033extern int nouveau_bios_run_display_table(struct drm_device *,
1034					  struct dcb_entry *,
1035					  uint32_t script, int pxclk);
1036extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1037				   int *length);
1038extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1039extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1040extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1041					 bool *dl, bool *if_is_24bit);
1042extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1043			  int head, int pxclk);
1044extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1045			    enum LVDS_script, int pxclk);
1046
1047/* nouveau_ttm.c */
1048int nouveau_ttm_global_init(struct drm_nouveau_private *);
1049void nouveau_ttm_global_release(struct drm_nouveau_private *);
1050int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1051
1052/* nouveau_dp.c */
1053int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1054		     uint8_t *data, int data_nr);
1055bool nouveau_dp_detect(struct drm_encoder *);
1056bool nouveau_dp_link_train(struct drm_encoder *);
1057
1058/* nv04_fb.c */
1059extern int  nv04_fb_init(struct drm_device *);
1060extern void nv04_fb_takedown(struct drm_device *);
1061
1062/* nv10_fb.c */
1063extern int  nv10_fb_init(struct drm_device *);
1064extern void nv10_fb_takedown(struct drm_device *);
1065extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1066				     uint32_t addr, uint32_t size,
1067				     uint32_t pitch, uint32_t flags);
1068extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1069extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1070
1071/* nv30_fb.c */
1072extern int  nv30_fb_init(struct drm_device *);
1073extern void nv30_fb_takedown(struct drm_device *);
1074extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1075				     uint32_t addr, uint32_t size,
1076				     uint32_t pitch, uint32_t flags);
1077extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1078
1079/* nv40_fb.c */
1080extern int  nv40_fb_init(struct drm_device *);
1081extern void nv40_fb_takedown(struct drm_device *);
1082extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1083
1084/* nv50_fb.c */
1085extern int  nv50_fb_init(struct drm_device *);
1086extern void nv50_fb_takedown(struct drm_device *);
1087extern void nv50_fb_vm_trap(struct drm_device *, int display);
1088
1089/* nvc0_fb.c */
1090extern int  nvc0_fb_init(struct drm_device *);
1091extern void nvc0_fb_takedown(struct drm_device *);
1092
1093/* nv04_fifo.c */
1094extern int  nv04_fifo_init(struct drm_device *);
1095extern void nv04_fifo_fini(struct drm_device *);
1096extern void nv04_fifo_disable(struct drm_device *);
1097extern void nv04_fifo_enable(struct drm_device *);
1098extern bool nv04_fifo_reassign(struct drm_device *, bool);
1099extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1100extern int  nv04_fifo_channel_id(struct drm_device *);
1101extern int  nv04_fifo_create_context(struct nouveau_channel *);
1102extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1103extern int  nv04_fifo_load_context(struct nouveau_channel *);
1104extern int  nv04_fifo_unload_context(struct drm_device *);
1105extern void nv04_fifo_isr(struct drm_device *);
1106
1107/* nv10_fifo.c */
1108extern int  nv10_fifo_init(struct drm_device *);
1109extern int  nv10_fifo_channel_id(struct drm_device *);
1110extern int  nv10_fifo_create_context(struct nouveau_channel *);
1111extern int  nv10_fifo_load_context(struct nouveau_channel *);
1112extern int  nv10_fifo_unload_context(struct drm_device *);
1113
1114/* nv40_fifo.c */
1115extern int  nv40_fifo_init(struct drm_device *);
1116extern int  nv40_fifo_create_context(struct nouveau_channel *);
1117extern int  nv40_fifo_load_context(struct nouveau_channel *);
1118extern int  nv40_fifo_unload_context(struct drm_device *);
1119
1120/* nv50_fifo.c */
1121extern int  nv50_fifo_init(struct drm_device *);
1122extern void nv50_fifo_takedown(struct drm_device *);
1123extern int  nv50_fifo_channel_id(struct drm_device *);
1124extern int  nv50_fifo_create_context(struct nouveau_channel *);
1125extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1126extern int  nv50_fifo_load_context(struct nouveau_channel *);
1127extern int  nv50_fifo_unload_context(struct drm_device *);
1128extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1129
1130/* nvc0_fifo.c */
1131extern int  nvc0_fifo_init(struct drm_device *);
1132extern void nvc0_fifo_takedown(struct drm_device *);
1133extern void nvc0_fifo_disable(struct drm_device *);
1134extern void nvc0_fifo_enable(struct drm_device *);
1135extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1136extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1137extern int  nvc0_fifo_channel_id(struct drm_device *);
1138extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1139extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1140extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1141extern int  nvc0_fifo_unload_context(struct drm_device *);
1142
1143/* nv04_graph.c */
1144extern int  nv04_graph_create(struct drm_device *);
1145extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1146extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1147				      u32 class, u32 mthd, u32 data);
1148extern struct nouveau_bitfield nv04_graph_nsource[];
1149
1150/* nv10_graph.c */
1151extern int  nv10_graph_create(struct drm_device *);
1152extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1153extern struct nouveau_bitfield nv10_graph_intr[];
1154extern struct nouveau_bitfield nv10_graph_nstatus[];
1155
1156/* nv20_graph.c */
1157extern int  nv20_graph_create(struct drm_device *);
1158
1159/* nv40_graph.c */
1160extern int  nv40_graph_create(struct drm_device *);
1161extern void nv40_grctx_init(struct nouveau_grctx *);
1162
1163/* nv50_graph.c */
1164extern int  nv50_graph_create(struct drm_device *);
1165extern int  nv50_grctx_init(struct nouveau_grctx *);
1166extern struct nouveau_enum nv50_data_error_names[];
1167extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1168
1169/* nvc0_graph.c */
1170extern int  nvc0_graph_create(struct drm_device *);
1171extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1172
1173/* nv84_crypt.c */
1174extern int  nv84_crypt_create(struct drm_device *);
1175
1176/* nva3_copy.c */
1177extern int  nva3_copy_create(struct drm_device *dev);
1178
1179/* nvc0_copy.c */
1180extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1181
1182/* nv40_mpeg.c */
1183extern int  nv40_mpeg_create(struct drm_device *dev);
1184
1185/* nv50_mpeg.c */
1186extern int  nv50_mpeg_create(struct drm_device *dev);
1187
1188/* nv04_instmem.c */
1189extern int  nv04_instmem_init(struct drm_device *);
1190extern void nv04_instmem_takedown(struct drm_device *);
1191extern int  nv04_instmem_suspend(struct drm_device *);
1192extern void nv04_instmem_resume(struct drm_device *);
1193extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1194			     u32 size, u32 align);
1195extern void nv04_instmem_put(struct nouveau_gpuobj *);
1196extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1197extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1198extern void nv04_instmem_flush(struct drm_device *);
1199
1200/* nv50_instmem.c */
1201extern int  nv50_instmem_init(struct drm_device *);
1202extern void nv50_instmem_takedown(struct drm_device *);
1203extern int  nv50_instmem_suspend(struct drm_device *);
1204extern void nv50_instmem_resume(struct drm_device *);
1205extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1206			     u32 size, u32 align);
1207extern void nv50_instmem_put(struct nouveau_gpuobj *);
1208extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1209extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1210extern void nv50_instmem_flush(struct drm_device *);
1211extern void nv84_instmem_flush(struct drm_device *);
1212
1213/* nvc0_instmem.c */
1214extern int  nvc0_instmem_init(struct drm_device *);
1215extern void nvc0_instmem_takedown(struct drm_device *);
1216extern int  nvc0_instmem_suspend(struct drm_device *);
1217extern void nvc0_instmem_resume(struct drm_device *);
1218
1219/* nv04_mc.c */
1220extern int  nv04_mc_init(struct drm_device *);
1221extern void nv04_mc_takedown(struct drm_device *);
1222
1223/* nv40_mc.c */
1224extern int  nv40_mc_init(struct drm_device *);
1225extern void nv40_mc_takedown(struct drm_device *);
1226
1227/* nv50_mc.c */
1228extern int  nv50_mc_init(struct drm_device *);
1229extern void nv50_mc_takedown(struct drm_device *);
1230
1231/* nv04_timer.c */
1232extern int  nv04_timer_init(struct drm_device *);
1233extern uint64_t nv04_timer_read(struct drm_device *);
1234extern void nv04_timer_takedown(struct drm_device *);
1235
1236extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1237				 unsigned long arg);
1238
1239/* nv04_dac.c */
1240extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1241extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1242extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1243extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1244extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1245
1246/* nv04_dfp.c */
1247extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1248extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1249extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1250			       int head, bool dl);
1251extern void nv04_dfp_disable(struct drm_device *dev, int head);
1252extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1253
1254/* nv04_tv.c */
1255extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1256extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1257
1258/* nv17_tv.c */
1259extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1260
1261/* nv04_display.c */
1262extern int nv04_display_early_init(struct drm_device *);
1263extern void nv04_display_late_takedown(struct drm_device *);
1264extern int nv04_display_create(struct drm_device *);
1265extern int nv04_display_init(struct drm_device *);
1266extern void nv04_display_destroy(struct drm_device *);
1267
1268/* nv04_crtc.c */
1269extern int nv04_crtc_create(struct drm_device *, int index);
1270
1271/* nouveau_bo.c */
1272extern struct ttm_bo_driver nouveau_bo_driver;
1273extern int nouveau_bo_new(struct drm_device *, int size, int align,
1274			  uint32_t flags, uint32_t tile_mode,
1275			  uint32_t tile_flags, struct nouveau_bo **);
1276extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1277extern int nouveau_bo_unpin(struct nouveau_bo *);
1278extern int nouveau_bo_map(struct nouveau_bo *);
1279extern void nouveau_bo_unmap(struct nouveau_bo *);
1280extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1281				     uint32_t busy);
1282extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1283extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1284extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1285extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1286extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1287extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1288			       bool no_wait_reserve, bool no_wait_gpu);
1289
1290extern struct nouveau_vma *
1291nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
1292extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
1293			       struct nouveau_vma *);
1294extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
1295
1296/* nouveau_fence.c */
1297struct nouveau_fence;
1298extern int nouveau_fence_init(struct drm_device *);
1299extern void nouveau_fence_fini(struct drm_device *);
1300extern int nouveau_fence_channel_init(struct nouveau_channel *);
1301extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1302extern void nouveau_fence_update(struct nouveau_channel *);
1303extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1304			     bool emit);
1305extern int nouveau_fence_emit(struct nouveau_fence *);
1306extern void nouveau_fence_work(struct nouveau_fence *fence,
1307			       void (*work)(void *priv, bool signalled),
1308			       void *priv);
1309struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1310
1311extern bool __nouveau_fence_signalled(void *obj, void *arg);
1312extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1313extern int __nouveau_fence_flush(void *obj, void *arg);
1314extern void __nouveau_fence_unref(void **obj);
1315extern void *__nouveau_fence_ref(void *obj);
1316
1317static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1318{
1319	return __nouveau_fence_signalled(obj, NULL);
1320}
1321static inline int
1322nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1323{
1324	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1325}
1326extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1327static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1328{
1329	return __nouveau_fence_flush(obj, NULL);
1330}
1331static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1332{
1333	__nouveau_fence_unref((void **)obj);
1334}
1335static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1336{
1337	return __nouveau_fence_ref(obj);
1338}
1339
1340/* nouveau_gem.c */
1341extern int nouveau_gem_new(struct drm_device *, int size, int align,
1342			   uint32_t domain, uint32_t tile_mode,
1343			   uint32_t tile_flags, struct nouveau_bo **);
1344extern int nouveau_gem_object_new(struct drm_gem_object *);
1345extern void nouveau_gem_object_del(struct drm_gem_object *);
1346extern int nouveau_gem_object_open(struct drm_gem_object *, struct drm_file *);
1347extern void nouveau_gem_object_close(struct drm_gem_object *,
1348				     struct drm_file *);
1349extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1350				 struct drm_file *);
1351extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1352				     struct drm_file *);
1353extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1354				      struct drm_file *);
1355extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1356				      struct drm_file *);
1357extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1358				  struct drm_file *);
1359
1360/* nouveau_display.c */
1361int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1362void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1363int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1364			   struct drm_pending_vblank_event *event);
1365int nouveau_finish_page_flip(struct nouveau_channel *,
1366			     struct nouveau_page_flip_state *);
1367
1368/* nv10_gpio.c */
1369int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1370int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1371
1372/* nv50_gpio.c */
1373int nv50_gpio_init(struct drm_device *dev);
1374void nv50_gpio_fini(struct drm_device *dev);
1375int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1376int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1377int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1378			    void (*)(void *, int), void *);
1379void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1380			      void (*)(void *, int), void *);
1381bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1382
1383/* nv50_calc. */
1384int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1385		  int *N1, int *M1, int *N2, int *M2, int *P);
1386int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1387		  int clk, int *N, int *fN, int *M, int *P);
1388
1389#ifndef ioread32_native
1390#ifdef __BIG_ENDIAN
1391#define ioread16_native ioread16be
1392#define iowrite16_native iowrite16be
1393#define ioread32_native  ioread32be
1394#define iowrite32_native iowrite32be
1395#else /* def __BIG_ENDIAN */
1396#define ioread16_native ioread16
1397#define iowrite16_native iowrite16
1398#define ioread32_native  ioread32
1399#define iowrite32_native iowrite32
1400#endif /* def __BIG_ENDIAN else */
1401#endif /* !ioread32_native */
1402
1403/* channel control reg access */
1404static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1405{
1406	return ioread32_native(chan->user + reg);
1407}
1408
1409static inline void nvchan_wr32(struct nouveau_channel *chan,
1410							unsigned reg, u32 val)
1411{
1412	iowrite32_native(val, chan->user + reg);
1413}
1414
1415/* register access */
1416static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1417{
1418	struct drm_nouveau_private *dev_priv = dev->dev_private;
1419	return ioread32_native(dev_priv->mmio + reg);
1420}
1421
1422static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1423{
1424	struct drm_nouveau_private *dev_priv = dev->dev_private;
1425	iowrite32_native(val, dev_priv->mmio + reg);
1426}
1427
1428static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1429{
1430	u32 tmp = nv_rd32(dev, reg);
1431	nv_wr32(dev, reg, (tmp & ~mask) | val);
1432	return tmp;
1433}
1434
1435static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1436{
1437	struct drm_nouveau_private *dev_priv = dev->dev_private;
1438	return ioread8(dev_priv->mmio + reg);
1439}
1440
1441static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1442{
1443	struct drm_nouveau_private *dev_priv = dev->dev_private;
1444	iowrite8(val, dev_priv->mmio + reg);
1445}
1446
1447#define nv_wait(dev, reg, mask, val) \
1448	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1449#define nv_wait_ne(dev, reg, mask, val) \
1450	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1451
1452/* PRAMIN access */
1453static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1454{
1455	struct drm_nouveau_private *dev_priv = dev->dev_private;
1456	return ioread32_native(dev_priv->ramin + offset);
1457}
1458
1459static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1460{
1461	struct drm_nouveau_private *dev_priv = dev->dev_private;
1462	iowrite32_native(val, dev_priv->ramin + offset);
1463}
1464
1465/* object access */
1466extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1467extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1468
1469/*
1470 * Logging
1471 * Argument d is (struct drm_device *).
1472 */
1473#define NV_PRINTK(level, d, fmt, arg...) \
1474	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1475					pci_name(d->pdev), ##arg)
1476#ifndef NV_DEBUG_NOTRACE
1477#define NV_DEBUG(d, fmt, arg...) do {                                          \
1478	if (drm_debug & DRM_UT_DRIVER) {                                       \
1479		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1480			  __LINE__, ##arg);                                    \
1481	}                                                                      \
1482} while (0)
1483#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1484	if (drm_debug & DRM_UT_KMS) {                                          \
1485		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1486			  __LINE__, ##arg);                                    \
1487	}                                                                      \
1488} while (0)
1489#else
1490#define NV_DEBUG(d, fmt, arg...) do {                                          \
1491	if (drm_debug & DRM_UT_DRIVER)                                         \
1492		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
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, fmt, ##arg);                          \
1497} while (0)
1498#endif
1499#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1500#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1501#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1502#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1503#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1504
1505/* nouveau_reg_debug bitmask */
1506enum {
1507	NOUVEAU_REG_DEBUG_MC             = 0x1,
1508	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1509	NOUVEAU_REG_DEBUG_FB             = 0x4,
1510	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1511	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1512	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1513	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1514	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1515	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1516	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1517};
1518
1519#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1520	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1521		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1522} while (0)
1523
1524static inline bool
1525nv_two_heads(struct drm_device *dev)
1526{
1527	struct drm_nouveau_private *dev_priv = dev->dev_private;
1528	const int impl = dev->pci_device & 0x0ff0;
1529
1530	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1531	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1532		return true;
1533
1534	return false;
1535}
1536
1537static inline bool
1538nv_gf4_disp_arch(struct drm_device *dev)
1539{
1540	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1541}
1542
1543static inline bool
1544nv_two_reg_pll(struct drm_device *dev)
1545{
1546	struct drm_nouveau_private *dev_priv = dev->dev_private;
1547	const int impl = dev->pci_device & 0x0ff0;
1548
1549	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1550		return true;
1551	return false;
1552}
1553
1554static inline bool
1555nv_match_device(struct drm_device *dev, unsigned device,
1556		unsigned sub_vendor, unsigned sub_device)
1557{
1558	return dev->pdev->device == device &&
1559		dev->pdev->subsystem_vendor == sub_vendor &&
1560		dev->pdev->subsystem_device == sub_device;
1561}
1562
1563static inline void *
1564nv_engine(struct drm_device *dev, int engine)
1565{
1566	struct drm_nouveau_private *dev_priv = dev->dev_private;
1567	return (void *)dev_priv->eng[engine];
1568}
1569
1570/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1571 * helpful to determine a number of other hardware features
1572 */
1573static inline int
1574nv44_graph_class(struct drm_device *dev)
1575{
1576	struct drm_nouveau_private *dev_priv = dev->dev_private;
1577
1578	if ((dev_priv->chipset & 0xf0) == 0x60)
1579		return 1;
1580
1581	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1582}
1583
1584/* memory type/access flags, do not match hardware values */
1585#define NV_MEM_ACCESS_RO  1
1586#define NV_MEM_ACCESS_WO  2
1587#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1588#define NV_MEM_ACCESS_SYS 4
1589#define NV_MEM_ACCESS_VM  8
1590
1591#define NV_MEM_TARGET_VRAM        0
1592#define NV_MEM_TARGET_PCI         1
1593#define NV_MEM_TARGET_PCI_NOSNOOP 2
1594#define NV_MEM_TARGET_VM          3
1595#define NV_MEM_TARGET_GART        4
1596
1597#define NV_MEM_TYPE_VM 0x7f
1598#define NV_MEM_COMP_VM 0x03
1599
1600/* NV_SW object class */
1601#define NV_SW                                                        0x0000506e
1602#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1603#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1604#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1605#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1606#define NV_SW_YIELD                                                  0x00000080
1607#define NV_SW_DMA_VBLSEM                                             0x0000018c
1608#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1609#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1610#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1611#define NV_SW_PAGE_FLIP                                              0x00000500
1612
1613#endif /* __NOUVEAU_DRV_H__ */
1614