nouveau_drv.h revision 1e05415733b0d4668fbce92856fafabfa1a33333
1/*
2 * Copyright 2005 Stephane Marchesin.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef __NOUVEAU_DRV_H__
26#define __NOUVEAU_DRV_H__
27
28#define DRIVER_AUTHOR		"Stephane Marchesin"
29#define DRIVER_EMAIL		"dri-devel@lists.sourceforge.net"
30
31#define DRIVER_NAME		"nouveau"
32#define DRIVER_DESC		"nVidia Riva/TNT/GeForce"
33#define DRIVER_DATE		"20090420"
34
35#define DRIVER_MAJOR		0
36#define DRIVER_MINOR		0
37#define DRIVER_PATCHLEVEL	16
38
39#define NOUVEAU_FAMILY   0x0000FFFF
40#define NOUVEAU_FLAGS    0xFFFF0000
41
42#include "ttm/ttm_bo_api.h"
43#include "ttm/ttm_bo_driver.h"
44#include "ttm/ttm_placement.h"
45#include "ttm/ttm_memory.h"
46#include "ttm/ttm_module.h"
47
48struct nouveau_fpriv {
49	spinlock_t lock;
50	struct list_head channels;
51	struct nouveau_vm *vm;
52};
53
54static inline struct nouveau_fpriv *
55nouveau_fpriv(struct drm_file *file_priv)
56{
57	return file_priv ? file_priv->driver_priv : NULL;
58}
59
60#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
61
62#include "nouveau_drm.h"
63#include "nouveau_reg.h"
64#include "nouveau_bios.h"
65#include "nouveau_util.h"
66
67struct nouveau_grctx;
68struct nouveau_mem;
69#include "nouveau_vm.h"
70
71#define MAX_NUM_DCB_ENTRIES 16
72
73#define NOUVEAU_MAX_CHANNEL_NR 128
74#define NOUVEAU_MAX_TILE_NR 15
75
76struct nouveau_mem {
77	struct drm_device *dev;
78
79	struct nouveau_vma bar_vma;
80	struct nouveau_vma vma[2];
81	u8  page_shift;
82
83	struct drm_mm_node *tag;
84	struct list_head regions;
85	dma_addr_t *pages;
86	u32 memtype;
87	u64 offset;
88	u64 size;
89};
90
91struct nouveau_tile_reg {
92	bool used;
93	uint32_t addr;
94	uint32_t limit;
95	uint32_t pitch;
96	uint32_t zcomp;
97	struct drm_mm_node *tag_mem;
98	struct nouveau_fence *fence;
99};
100
101struct nouveau_bo {
102	struct ttm_buffer_object bo;
103	struct ttm_placement placement;
104	u32 valid_domains;
105	u32 placements[3];
106	u32 busy_placements[3];
107	struct ttm_bo_kmap_obj kmap;
108	struct list_head head;
109
110	/* protected by ttm_bo_reserve() */
111	struct drm_file *reserved_by;
112	struct list_head entry;
113	int pbbo_index;
114	bool validate_mapped;
115
116	struct nouveau_channel *channel;
117
118	struct list_head vma_list;
119	unsigned page_shift;
120
121	uint32_t tile_mode;
122	uint32_t tile_flags;
123	struct nouveau_tile_reg *tile;
124
125	struct drm_gem_object *gem;
126	int pin_refcnt;
127};
128
129#define nouveau_bo_tile_layout(nvbo)				\
130	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
131
132static inline struct nouveau_bo *
133nouveau_bo(struct ttm_buffer_object *bo)
134{
135	return container_of(bo, struct nouveau_bo, bo);
136}
137
138static inline struct nouveau_bo *
139nouveau_gem_object(struct drm_gem_object *gem)
140{
141	return gem ? gem->driver_private : NULL;
142}
143
144/* TODO: submit equivalent to TTM generic API upstream? */
145static inline void __iomem *
146nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
147{
148	bool is_iomem;
149	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
150						&nvbo->kmap, &is_iomem);
151	WARN_ON_ONCE(ioptr && !is_iomem);
152	return ioptr;
153}
154
155enum nouveau_flags {
156	NV_NFORCE   = 0x10000000,
157	NV_NFORCE2  = 0x20000000
158};
159
160#define NVOBJ_ENGINE_SW		0
161#define NVOBJ_ENGINE_GR		1
162#define NVOBJ_ENGINE_CRYPT	2
163#define NVOBJ_ENGINE_COPY0	3
164#define NVOBJ_ENGINE_COPY1	4
165#define NVOBJ_ENGINE_MPEG	5
166#define NVOBJ_ENGINE_PPP	NVOBJ_ENGINE_MPEG
167#define NVOBJ_ENGINE_BSP	6
168#define NVOBJ_ENGINE_VP		7
169#define NVOBJ_ENGINE_DISPLAY	15
170#define NVOBJ_ENGINE_NR		16
171
172#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
173#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
174#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
175#define NVOBJ_FLAG_VM			(1 << 3)
176#define NVOBJ_FLAG_VM_USER		(1 << 4)
177
178#define NVOBJ_CINST_GLOBAL	0xdeadbeef
179
180struct nouveau_gpuobj {
181	struct drm_device *dev;
182	struct kref refcount;
183	struct list_head list;
184
185	void *node;
186	u32 *suspend;
187
188	uint32_t flags;
189
190	u32 size;
191	u32 pinst;	/* PRAMIN BAR offset */
192	u32 cinst;	/* Channel offset */
193	u64 vinst;	/* VRAM address */
194	u64 linst;	/* VM address */
195
196	uint32_t engine;
197	uint32_t class;
198
199	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
200	void *priv;
201};
202
203struct nouveau_page_flip_state {
204	struct list_head head;
205	struct drm_pending_vblank_event *event;
206	int crtc, bpp, pitch, x, y;
207	uint64_t offset;
208};
209
210enum nouveau_channel_mutex_class {
211	NOUVEAU_UCHANNEL_MUTEX,
212	NOUVEAU_KCHANNEL_MUTEX
213};
214
215struct nouveau_channel {
216	struct drm_device *dev;
217	struct list_head list;
218	int id;
219
220	/* references to the channel data structure */
221	struct kref ref;
222	/* users of the hardware channel resources, the hardware
223	 * context will be kicked off when it reaches zero. */
224	atomic_t users;
225	struct mutex mutex;
226
227	/* owner of this fifo */
228	struct drm_file *file_priv;
229	/* mapping of the fifo itself */
230	struct drm_local_map *map;
231
232	/* mapping of the regs controlling the fifo */
233	void __iomem *user;
234	uint32_t user_get;
235	uint32_t user_put;
236
237	/* Fencing */
238	struct {
239		/* lock protects the pending list only */
240		spinlock_t lock;
241		struct list_head pending;
242		uint32_t sequence;
243		uint32_t sequence_ack;
244		atomic_t last_sequence_irq;
245		struct nouveau_vma vma;
246	} fence;
247
248	/* DMA push buffer */
249	struct nouveau_gpuobj *pushbuf;
250	struct nouveau_bo     *pushbuf_bo;
251	struct nouveau_vma     pushbuf_vma;
252	uint32_t               pushbuf_base;
253
254	/* Notifier memory */
255	struct nouveau_bo *notifier_bo;
256	struct nouveau_vma notifier_vma;
257	struct drm_mm notifier_heap;
258
259	/* PFIFO context */
260	struct nouveau_gpuobj *ramfc;
261	struct nouveau_gpuobj *cache;
262	void *fifo_priv;
263
264	/* Execution engine contexts */
265	void *engctx[NVOBJ_ENGINE_NR];
266
267	/* NV50 VM */
268	struct nouveau_vm     *vm;
269	struct nouveau_gpuobj *vm_pd;
270
271	/* Objects */
272	struct nouveau_gpuobj *ramin; /* Private instmem */
273	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
274	struct nouveau_ramht  *ramht; /* Hash table */
275
276	/* GPU object info for stuff used in-kernel (mm_enabled) */
277	uint32_t m2mf_ntfy;
278	uint32_t vram_handle;
279	uint32_t gart_handle;
280	bool accel_done;
281
282	/* Push buffer state (only for drm's channel on !mm_enabled) */
283	struct {
284		int max;
285		int free;
286		int cur;
287		int put;
288		/* access via pushbuf_bo */
289
290		int ib_base;
291		int ib_max;
292		int ib_free;
293		int ib_put;
294	} dma;
295
296	uint32_t sw_subchannel[8];
297
298	struct nouveau_vma dispc_vma[2];
299	struct {
300		struct nouveau_gpuobj *vblsem;
301		uint32_t vblsem_head;
302		uint32_t vblsem_offset;
303		uint32_t vblsem_rval;
304		struct list_head vbl_wait;
305		struct list_head flip;
306	} nvsw;
307
308	struct {
309		bool active;
310		char name[32];
311		struct drm_info_list info;
312	} debugfs;
313};
314
315struct nouveau_exec_engine {
316	void (*destroy)(struct drm_device *, int engine);
317	int  (*init)(struct drm_device *, int engine);
318	int  (*fini)(struct drm_device *, int engine, bool suspend);
319	int  (*context_new)(struct nouveau_channel *, int engine);
320	void (*context_del)(struct nouveau_channel *, int engine);
321	int  (*object_new)(struct nouveau_channel *, int engine,
322			   u32 handle, u16 class);
323	void (*set_tile_region)(struct drm_device *dev, int i);
324	void (*tlb_flush)(struct drm_device *, int engine);
325};
326
327struct nouveau_instmem_engine {
328	void	*priv;
329
330	int	(*init)(struct drm_device *dev);
331	void	(*takedown)(struct drm_device *dev);
332	int	(*suspend)(struct drm_device *dev);
333	void	(*resume)(struct drm_device *dev);
334
335	int	(*get)(struct nouveau_gpuobj *, struct nouveau_channel *,
336		       u32 size, u32 align);
337	void	(*put)(struct nouveau_gpuobj *);
338	int	(*map)(struct nouveau_gpuobj *);
339	void	(*unmap)(struct nouveau_gpuobj *);
340
341	void	(*flush)(struct drm_device *);
342};
343
344struct nouveau_mc_engine {
345	int  (*init)(struct drm_device *dev);
346	void (*takedown)(struct drm_device *dev);
347};
348
349struct nouveau_timer_engine {
350	int      (*init)(struct drm_device *dev);
351	void     (*takedown)(struct drm_device *dev);
352	uint64_t (*read)(struct drm_device *dev);
353};
354
355struct nouveau_fb_engine {
356	int num_tiles;
357	struct drm_mm tag_heap;
358	void *priv;
359
360	int  (*init)(struct drm_device *dev);
361	void (*takedown)(struct drm_device *dev);
362
363	void (*init_tile_region)(struct drm_device *dev, int i,
364				 uint32_t addr, uint32_t size,
365				 uint32_t pitch, uint32_t flags);
366	void (*set_tile_region)(struct drm_device *dev, int i);
367	void (*free_tile_region)(struct drm_device *dev, int i);
368};
369
370struct nouveau_fifo_engine {
371	void *priv;
372	int  channels;
373
374	struct nouveau_gpuobj *playlist[2];
375	int cur_playlist;
376
377	int  (*init)(struct drm_device *);
378	void (*takedown)(struct drm_device *);
379
380	void (*disable)(struct drm_device *);
381	void (*enable)(struct drm_device *);
382	bool (*reassign)(struct drm_device *, bool enable);
383	bool (*cache_pull)(struct drm_device *dev, bool enable);
384
385	int  (*channel_id)(struct drm_device *);
386
387	int  (*create_context)(struct nouveau_channel *);
388	void (*destroy_context)(struct nouveau_channel *);
389	int  (*load_context)(struct nouveau_channel *);
390	int  (*unload_context)(struct drm_device *);
391	void (*tlb_flush)(struct drm_device *dev);
392};
393
394struct nouveau_display_engine {
395	void *priv;
396	int (*early_init)(struct drm_device *);
397	void (*late_takedown)(struct drm_device *);
398	int (*create)(struct drm_device *);
399	int (*init)(struct drm_device *);
400	void (*destroy)(struct drm_device *);
401};
402
403struct nouveau_gpio_engine {
404	void *priv;
405
406	int  (*init)(struct drm_device *);
407	void (*takedown)(struct drm_device *);
408
409	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
410	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
411
412	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
413			     void (*)(void *, int), void *);
414	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
415			       void (*)(void *, int), void *);
416	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
417};
418
419struct nouveau_pm_voltage_level {
420	u32 voltage; /* microvolts */
421	u8  vid;
422};
423
424struct nouveau_pm_voltage {
425	bool supported;
426	u8 version;
427	u8 vid_mask;
428
429	struct nouveau_pm_voltage_level *level;
430	int nr_level;
431};
432
433struct nouveau_pm_memtiming {
434	int id;
435	u32 reg_0; /* 0x10f290 on Fermi, 0x100220 for older */
436	u32 reg_1;
437	u32 reg_2;
438	u32 reg_3;
439	u32 reg_4;
440	u32 reg_5;
441	u32 reg_6;
442	u32 reg_7;
443	u32 reg_8;
444	/* To be written to 0x1002c0 */
445	u8 CL;
446	u8 WR;
447};
448
449struct nouveau_pm_tbl_header{
450	u8 version;
451	u8 header_len;
452	u8 entry_cnt;
453	u8 entry_len;
454};
455
456struct nouveau_pm_tbl_entry{
457	u8 tWR;
458	u8 tUNK_1;
459	u8 tCL;
460	u8 tRP;		/* Byte 3 */
461	u8 empty_4;
462	u8 tRAS;	/* Byte 5 */
463	u8 empty_6;
464	u8 tRFC;	/* Byte 7 */
465	u8 empty_8;
466	u8 tRC;		/* Byte 9 */
467	u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
468	u8 empty_15,empty_16,empty_17;
469	u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
470};
471
472/* nouveau_mem.c */
473void nv30_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr,
474							struct nouveau_pm_tbl_entry *e, uint8_t magic_number,
475							struct nouveau_pm_memtiming *timing);
476
477#define NOUVEAU_PM_MAX_LEVEL 8
478struct nouveau_pm_level {
479	struct device_attribute dev_attr;
480	char name[32];
481	int id;
482
483	u32 core;
484	u32 memory;
485	u32 shader;
486	u32 rop;
487	u32 copy;
488	u32 daemon;
489	u32 vdec;
490	u32 unk05;	/* nv50:nva3, roughly.. */
491	u32 unka0;	/* nva3:nvc0 */
492	u32 hub01;	/* nvc0- */
493	u32 hub06;	/* nvc0- */
494	u32 hub07;	/* nvc0- */
495
496	u32 volt_min; /* microvolts */
497	u32 volt_max;
498	u8  fanspeed;
499
500	u16 memscript;
501	struct nouveau_pm_memtiming *timing;
502};
503
504struct nouveau_pm_temp_sensor_constants {
505	u16 offset_constant;
506	s16 offset_mult;
507	s16 offset_div;
508	s16 slope_mult;
509	s16 slope_div;
510};
511
512struct nouveau_pm_threshold_temp {
513	s16 critical;
514	s16 down_clock;
515	s16 fan_boost;
516};
517
518struct nouveau_pm_memtimings {
519	bool supported;
520	struct nouveau_pm_memtiming *timing;
521	int nr_timing;
522};
523
524struct nouveau_pm_fan {
525	u32 min_duty;
526	u32 max_duty;
527	u32 pwm_freq;
528};
529
530struct nouveau_pm_engine {
531	struct nouveau_pm_voltage voltage;
532	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
533	int nr_perflvl;
534	struct nouveau_pm_memtimings memtimings;
535	struct nouveau_pm_temp_sensor_constants sensor_constants;
536	struct nouveau_pm_threshold_temp threshold_temp;
537	struct nouveau_pm_fan fan;
538	u32 pwm_divisor;
539
540	struct nouveau_pm_level boot;
541	struct nouveau_pm_level *cur;
542
543	struct device *hwmon;
544	struct notifier_block acpi_nb;
545
546	int (*clock_get)(struct drm_device *, u32 id);
547	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
548			   u32 id, int khz);
549	void (*clock_set)(struct drm_device *, void *);
550
551	int  (*clocks_get)(struct drm_device *, struct nouveau_pm_level *);
552	void *(*clocks_pre)(struct drm_device *, struct nouveau_pm_level *);
553	void (*clocks_set)(struct drm_device *, void *);
554
555	int (*voltage_get)(struct drm_device *);
556	int (*voltage_set)(struct drm_device *, int voltage);
557	int (*pwm_get)(struct drm_device *, struct dcb_gpio_entry*, u32*, u32*);
558	int (*pwm_set)(struct drm_device *, struct dcb_gpio_entry*, u32, u32);
559	int (*temp_get)(struct drm_device *);
560};
561
562struct nouveau_vram_engine {
563	struct nouveau_mm mm;
564
565	int  (*init)(struct drm_device *);
566	void (*takedown)(struct drm_device *dev);
567	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
568		    u32 type, struct nouveau_mem **);
569	void (*put)(struct drm_device *, struct nouveau_mem **);
570
571	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
572};
573
574struct nouveau_engine {
575	struct nouveau_instmem_engine instmem;
576	struct nouveau_mc_engine      mc;
577	struct nouveau_timer_engine   timer;
578	struct nouveau_fb_engine      fb;
579	struct nouveau_fifo_engine    fifo;
580	struct nouveau_display_engine display;
581	struct nouveau_gpio_engine    gpio;
582	struct nouveau_pm_engine      pm;
583	struct nouveau_vram_engine    vram;
584};
585
586struct nouveau_pll_vals {
587	union {
588		struct {
589#ifdef __BIG_ENDIAN
590			uint8_t N1, M1, N2, M2;
591#else
592			uint8_t M1, N1, M2, N2;
593#endif
594		};
595		struct {
596			uint16_t NM1, NM2;
597		} __attribute__((packed));
598	};
599	int log2P;
600
601	int refclk;
602};
603
604enum nv04_fp_display_regs {
605	FP_DISPLAY_END,
606	FP_TOTAL,
607	FP_CRTC,
608	FP_SYNC_START,
609	FP_SYNC_END,
610	FP_VALID_START,
611	FP_VALID_END
612};
613
614struct nv04_crtc_reg {
615	unsigned char MiscOutReg;
616	uint8_t CRTC[0xa0];
617	uint8_t CR58[0x10];
618	uint8_t Sequencer[5];
619	uint8_t Graphics[9];
620	uint8_t Attribute[21];
621	unsigned char DAC[768];
622
623	/* PCRTC regs */
624	uint32_t fb_start;
625	uint32_t crtc_cfg;
626	uint32_t cursor_cfg;
627	uint32_t gpio_ext;
628	uint32_t crtc_830;
629	uint32_t crtc_834;
630	uint32_t crtc_850;
631	uint32_t crtc_eng_ctrl;
632
633	/* PRAMDAC regs */
634	uint32_t nv10_cursync;
635	struct nouveau_pll_vals pllvals;
636	uint32_t ramdac_gen_ctrl;
637	uint32_t ramdac_630;
638	uint32_t ramdac_634;
639	uint32_t tv_setup;
640	uint32_t tv_vtotal;
641	uint32_t tv_vskew;
642	uint32_t tv_vsync_delay;
643	uint32_t tv_htotal;
644	uint32_t tv_hskew;
645	uint32_t tv_hsync_delay;
646	uint32_t tv_hsync_delay2;
647	uint32_t fp_horiz_regs[7];
648	uint32_t fp_vert_regs[7];
649	uint32_t dither;
650	uint32_t fp_control;
651	uint32_t dither_regs[6];
652	uint32_t fp_debug_0;
653	uint32_t fp_debug_1;
654	uint32_t fp_debug_2;
655	uint32_t fp_margin_color;
656	uint32_t ramdac_8c0;
657	uint32_t ramdac_a20;
658	uint32_t ramdac_a24;
659	uint32_t ramdac_a34;
660	uint32_t ctv_regs[38];
661};
662
663struct nv04_output_reg {
664	uint32_t output;
665	int head;
666};
667
668struct nv04_mode_state {
669	struct nv04_crtc_reg crtc_reg[2];
670	uint32_t pllsel;
671	uint32_t sel_clk;
672};
673
674enum nouveau_card_type {
675	NV_04      = 0x00,
676	NV_10      = 0x10,
677	NV_20      = 0x20,
678	NV_30      = 0x30,
679	NV_40      = 0x40,
680	NV_50      = 0x50,
681	NV_C0      = 0xc0,
682	NV_D0      = 0xd0
683};
684
685struct drm_nouveau_private {
686	struct drm_device *dev;
687	bool noaccel;
688
689	/* the card type, takes NV_* as values */
690	enum nouveau_card_type card_type;
691	/* exact chipset, derived from NV_PMC_BOOT_0 */
692	int chipset;
693	int flags;
694	u32 crystal;
695
696	void __iomem *mmio;
697
698	spinlock_t ramin_lock;
699	void __iomem *ramin;
700	u32 ramin_size;
701	u32 ramin_base;
702	bool ramin_available;
703	struct drm_mm ramin_heap;
704	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
705	struct list_head gpuobj_list;
706	struct list_head classes;
707
708	struct nouveau_bo *vga_ram;
709
710	/* interrupt handling */
711	void (*irq_handler[32])(struct drm_device *);
712	bool msi_enabled;
713
714	struct list_head vbl_waiting;
715
716	struct {
717		struct drm_global_reference mem_global_ref;
718		struct ttm_bo_global_ref bo_global_ref;
719		struct ttm_bo_device bdev;
720		atomic_t validate_sequence;
721	} ttm;
722
723	struct {
724		spinlock_t lock;
725		struct drm_mm heap;
726		struct nouveau_bo *bo;
727	} fence;
728
729	struct {
730		spinlock_t lock;
731		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
732	} channels;
733
734	struct nouveau_engine engine;
735	struct nouveau_channel *channel;
736
737	/* For PFIFO and PGRAPH. */
738	spinlock_t context_switch_lock;
739
740	/* VM/PRAMIN flush, legacy PRAMIN aperture */
741	spinlock_t vm_lock;
742
743	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
744	struct nouveau_ramht  *ramht;
745	struct nouveau_gpuobj *ramfc;
746	struct nouveau_gpuobj *ramro;
747
748	uint32_t ramin_rsvd_vram;
749
750	struct {
751		enum {
752			NOUVEAU_GART_NONE = 0,
753			NOUVEAU_GART_AGP,	/* AGP */
754			NOUVEAU_GART_PDMA,	/* paged dma object */
755			NOUVEAU_GART_HW		/* on-chip gart/vm */
756		} type;
757		uint64_t aper_base;
758		uint64_t aper_size;
759		uint64_t aper_free;
760
761		struct ttm_backend_func *func;
762
763		struct {
764			struct page *page;
765			dma_addr_t   addr;
766		} dummy;
767
768		struct nouveau_gpuobj *sg_ctxdma;
769	} gart_info;
770
771	/* nv10-nv40 tiling regions */
772	struct {
773		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
774		spinlock_t lock;
775	} tile;
776
777	/* VRAM/fb configuration */
778	uint64_t vram_size;
779	uint64_t vram_sys_base;
780
781	uint64_t fb_available_size;
782	uint64_t fb_mappable_pages;
783	uint64_t fb_aper_free;
784	int fb_mtrr;
785
786	/* BAR control (NV50-) */
787	struct nouveau_vm *bar1_vm;
788	struct nouveau_vm *bar3_vm;
789
790	/* G8x/G9x virtual address space */
791	struct nouveau_vm *chan_vm;
792
793	struct nvbios vbios;
794
795	struct nv04_mode_state mode_reg;
796	struct nv04_mode_state saved_reg;
797	uint32_t saved_vga_font[4][16384];
798	uint32_t crtc_owner;
799	uint32_t dac_users[4];
800
801	struct backlight_device *backlight;
802
803	struct {
804		struct dentry *channel_root;
805	} debugfs;
806
807	struct nouveau_fbdev *nfbdev;
808	struct apertures_struct *apertures;
809};
810
811static inline struct drm_nouveau_private *
812nouveau_private(struct drm_device *dev)
813{
814	return dev->dev_private;
815}
816
817static inline struct drm_nouveau_private *
818nouveau_bdev(struct ttm_bo_device *bd)
819{
820	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
821}
822
823static inline int
824nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
825{
826	struct nouveau_bo *prev;
827
828	if (!pnvbo)
829		return -EINVAL;
830	prev = *pnvbo;
831
832	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
833	if (prev) {
834		struct ttm_buffer_object *bo = &prev->bo;
835
836		ttm_bo_unref(&bo);
837	}
838
839	return 0;
840}
841
842/* nouveau_drv.c */
843extern int nouveau_modeset;
844extern int nouveau_agpmode;
845extern int nouveau_duallink;
846extern int nouveau_uscript_lvds;
847extern int nouveau_uscript_tmds;
848extern int nouveau_vram_pushbuf;
849extern int nouveau_vram_notify;
850extern int nouveau_fbpercrtc;
851extern int nouveau_tv_disable;
852extern char *nouveau_tv_norm;
853extern int nouveau_reg_debug;
854extern char *nouveau_vbios;
855extern int nouveau_ignorelid;
856extern int nouveau_nofbaccel;
857extern int nouveau_noaccel;
858extern int nouveau_force_post;
859extern int nouveau_override_conntype;
860extern char *nouveau_perflvl;
861extern int nouveau_perflvl_wr;
862extern int nouveau_msi;
863extern int nouveau_ctxfw;
864
865extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
866extern int nouveau_pci_resume(struct pci_dev *pdev);
867
868/* nouveau_state.c */
869extern int  nouveau_open(struct drm_device *, struct drm_file *);
870extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
871extern void nouveau_postclose(struct drm_device *, struct drm_file *);
872extern int  nouveau_load(struct drm_device *, unsigned long flags);
873extern int  nouveau_firstopen(struct drm_device *);
874extern void nouveau_lastclose(struct drm_device *);
875extern int  nouveau_unload(struct drm_device *);
876extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
877				   struct drm_file *);
878extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
879				   struct drm_file *);
880extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
881			    uint32_t reg, uint32_t mask, uint32_t val);
882extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
883			    uint32_t reg, uint32_t mask, uint32_t val);
884extern bool nouveau_wait_cb(struct drm_device *, u64 timeout,
885			    bool (*cond)(void *), void *);
886extern bool nouveau_wait_for_idle(struct drm_device *);
887extern int  nouveau_card_init(struct drm_device *);
888
889/* nouveau_mem.c */
890extern int  nouveau_mem_vram_init(struct drm_device *);
891extern void nouveau_mem_vram_fini(struct drm_device *);
892extern int  nouveau_mem_gart_init(struct drm_device *);
893extern void nouveau_mem_gart_fini(struct drm_device *);
894extern int  nouveau_mem_init_agp(struct drm_device *);
895extern int  nouveau_mem_reset_agp(struct drm_device *);
896extern void nouveau_mem_close(struct drm_device *);
897extern int  nouveau_mem_detect(struct drm_device *);
898extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
899extern struct nouveau_tile_reg *nv10_mem_set_tiling(
900	struct drm_device *dev, uint32_t addr, uint32_t size,
901	uint32_t pitch, uint32_t flags);
902extern void nv10_mem_put_tile_region(struct drm_device *dev,
903				     struct nouveau_tile_reg *tile,
904				     struct nouveau_fence *fence);
905extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
906extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
907
908/* nouveau_notifier.c */
909extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
910extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
911extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
912				   int cout, uint32_t start, uint32_t end,
913				   uint32_t *offset);
914extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
915extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
916					 struct drm_file *);
917extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
918					struct drm_file *);
919
920/* nouveau_channel.c */
921extern struct drm_ioctl_desc nouveau_ioctls[];
922extern int nouveau_max_ioctl;
923extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
924extern int  nouveau_channel_alloc(struct drm_device *dev,
925				  struct nouveau_channel **chan,
926				  struct drm_file *file_priv,
927				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
928extern struct nouveau_channel *
929nouveau_channel_get_unlocked(struct nouveau_channel *);
930extern struct nouveau_channel *
931nouveau_channel_get(struct drm_file *, int id);
932extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
933extern void nouveau_channel_put(struct nouveau_channel **);
934extern void nouveau_channel_ref(struct nouveau_channel *chan,
935				struct nouveau_channel **pchan);
936extern void nouveau_channel_idle(struct nouveau_channel *chan);
937
938/* nouveau_object.c */
939#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
940	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
941	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
942} while (0)
943
944#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
945	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
946	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
947} while (0)
948
949#define NVOBJ_CLASS(d, c, e) do {                                              \
950	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
951	if (ret)                                                               \
952		return ret;                                                    \
953} while (0)
954
955#define NVOBJ_MTHD(d, c, m, e) do {                                            \
956	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
957	if (ret)                                                               \
958		return ret;                                                    \
959} while (0)
960
961extern int  nouveau_gpuobj_early_init(struct drm_device *);
962extern int  nouveau_gpuobj_init(struct drm_device *);
963extern void nouveau_gpuobj_takedown(struct drm_device *);
964extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
965extern void nouveau_gpuobj_resume(struct drm_device *dev);
966extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
967extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
968				    int (*exec)(struct nouveau_channel *,
969						u32 class, u32 mthd, u32 data));
970extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
971extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
972extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
973				       uint32_t vram_h, uint32_t tt_h);
974extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
975extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
976			      uint32_t size, int align, uint32_t flags,
977			      struct nouveau_gpuobj **);
978extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
979			       struct nouveau_gpuobj **);
980extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
981				   u32 size, u32 flags,
982				   struct nouveau_gpuobj **);
983extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
984				  uint64_t offset, uint64_t size, int access,
985				  int target, struct nouveau_gpuobj **);
986extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
987extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
988			       u64 size, int target, int access, u32 type,
989			       u32 comp, struct nouveau_gpuobj **pobj);
990extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
991				 int class, u64 base, u64 size, int target,
992				 int access, u32 type, u32 comp);
993extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
994				     struct drm_file *);
995extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
996				     struct drm_file *);
997
998/* nouveau_irq.c */
999extern int         nouveau_irq_init(struct drm_device *);
1000extern void        nouveau_irq_fini(struct drm_device *);
1001extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
1002extern void        nouveau_irq_register(struct drm_device *, int status_bit,
1003					void (*)(struct drm_device *));
1004extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
1005extern void        nouveau_irq_preinstall(struct drm_device *);
1006extern int         nouveau_irq_postinstall(struct drm_device *);
1007extern void        nouveau_irq_uninstall(struct drm_device *);
1008
1009/* nouveau_sgdma.c */
1010extern int nouveau_sgdma_init(struct drm_device *);
1011extern void nouveau_sgdma_takedown(struct drm_device *);
1012extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
1013					   uint32_t offset);
1014extern struct ttm_tt *nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
1015					       unsigned long size,
1016					       uint32_t page_flags,
1017					       struct page *dummy_read_page);
1018
1019/* nouveau_debugfs.c */
1020#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
1021extern int  nouveau_debugfs_init(struct drm_minor *);
1022extern void nouveau_debugfs_takedown(struct drm_minor *);
1023extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
1024extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
1025#else
1026static inline int
1027nouveau_debugfs_init(struct drm_minor *minor)
1028{
1029	return 0;
1030}
1031
1032static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
1033{
1034}
1035
1036static inline int
1037nouveau_debugfs_channel_init(struct nouveau_channel *chan)
1038{
1039	return 0;
1040}
1041
1042static inline void
1043nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
1044{
1045}
1046#endif
1047
1048/* nouveau_dma.c */
1049extern void nouveau_dma_pre_init(struct nouveau_channel *);
1050extern int  nouveau_dma_init(struct nouveau_channel *);
1051extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
1052
1053/* nouveau_acpi.c */
1054#define ROM_BIOS_PAGE 4096
1055#if defined(CONFIG_ACPI)
1056void nouveau_register_dsm_handler(void);
1057void nouveau_unregister_dsm_handler(void);
1058int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
1059bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
1060int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
1061#else
1062static inline void nouveau_register_dsm_handler(void) {}
1063static inline void nouveau_unregister_dsm_handler(void) {}
1064static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
1065static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
1066static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
1067#endif
1068
1069/* nouveau_backlight.c */
1070#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1071extern int nouveau_backlight_init(struct drm_device *);
1072extern void nouveau_backlight_exit(struct drm_device *);
1073#else
1074static inline int nouveau_backlight_init(struct drm_device *dev)
1075{
1076	return 0;
1077}
1078
1079static inline void nouveau_backlight_exit(struct drm_device *dev) { }
1080#endif
1081
1082/* nouveau_bios.c */
1083extern int nouveau_bios_init(struct drm_device *);
1084extern void nouveau_bios_takedown(struct drm_device *dev);
1085extern int nouveau_run_vbios_init(struct drm_device *);
1086extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1087					struct dcb_entry *, int crtc);
1088extern void nouveau_bios_init_exec(struct drm_device *, uint16_t table);
1089extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1090						      enum dcb_gpio_tag);
1091extern struct dcb_connector_table_entry *
1092nouveau_bios_connector_entry(struct drm_device *, int index);
1093extern u32 get_pll_register(struct drm_device *, enum pll_types);
1094extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1095			  struct pll_lims *);
1096extern int nouveau_bios_run_display_table(struct drm_device *, u16 id, int clk,
1097					  struct dcb_entry *, int crtc);
1098extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1099extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1100extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1101					 bool *dl, bool *if_is_24bit);
1102extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1103			  int head, int pxclk);
1104extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1105			    enum LVDS_script, int pxclk);
1106bool bios_encoder_match(struct dcb_entry *, u32 hash);
1107
1108/* nouveau_ttm.c */
1109int nouveau_ttm_global_init(struct drm_nouveau_private *);
1110void nouveau_ttm_global_release(struct drm_nouveau_private *);
1111int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1112
1113/* nouveau_dp.c */
1114int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1115		     uint8_t *data, int data_nr);
1116bool nouveau_dp_detect(struct drm_encoder *);
1117bool nouveau_dp_link_train(struct drm_encoder *, u32 datarate);
1118void nouveau_dp_tu_update(struct drm_device *, int, int, u32, u32);
1119u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **);
1120
1121/* nv04_fb.c */
1122extern int  nv04_fb_init(struct drm_device *);
1123extern void nv04_fb_takedown(struct drm_device *);
1124
1125/* nv10_fb.c */
1126extern int  nv10_fb_init(struct drm_device *);
1127extern void nv10_fb_takedown(struct drm_device *);
1128extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1129				     uint32_t addr, uint32_t size,
1130				     uint32_t pitch, uint32_t flags);
1131extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1132extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1133
1134/* nv30_fb.c */
1135extern int  nv30_fb_init(struct drm_device *);
1136extern void nv30_fb_takedown(struct drm_device *);
1137extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1138				     uint32_t addr, uint32_t size,
1139				     uint32_t pitch, uint32_t flags);
1140extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1141
1142/* nv40_fb.c */
1143extern int  nv40_fb_init(struct drm_device *);
1144extern void nv40_fb_takedown(struct drm_device *);
1145extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1146
1147/* nv50_fb.c */
1148extern int  nv50_fb_init(struct drm_device *);
1149extern void nv50_fb_takedown(struct drm_device *);
1150extern void nv50_fb_vm_trap(struct drm_device *, int display);
1151
1152/* nvc0_fb.c */
1153extern int  nvc0_fb_init(struct drm_device *);
1154extern void nvc0_fb_takedown(struct drm_device *);
1155
1156/* nv04_fifo.c */
1157extern int  nv04_fifo_init(struct drm_device *);
1158extern void nv04_fifo_fini(struct drm_device *);
1159extern void nv04_fifo_disable(struct drm_device *);
1160extern void nv04_fifo_enable(struct drm_device *);
1161extern bool nv04_fifo_reassign(struct drm_device *, bool);
1162extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1163extern int  nv04_fifo_channel_id(struct drm_device *);
1164extern int  nv04_fifo_create_context(struct nouveau_channel *);
1165extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1166extern int  nv04_fifo_load_context(struct nouveau_channel *);
1167extern int  nv04_fifo_unload_context(struct drm_device *);
1168extern void nv04_fifo_isr(struct drm_device *);
1169
1170/* nv10_fifo.c */
1171extern int  nv10_fifo_init(struct drm_device *);
1172extern int  nv10_fifo_channel_id(struct drm_device *);
1173extern int  nv10_fifo_create_context(struct nouveau_channel *);
1174extern int  nv10_fifo_load_context(struct nouveau_channel *);
1175extern int  nv10_fifo_unload_context(struct drm_device *);
1176
1177/* nv40_fifo.c */
1178extern int  nv40_fifo_init(struct drm_device *);
1179extern int  nv40_fifo_create_context(struct nouveau_channel *);
1180extern int  nv40_fifo_load_context(struct nouveau_channel *);
1181extern int  nv40_fifo_unload_context(struct drm_device *);
1182
1183/* nv50_fifo.c */
1184extern int  nv50_fifo_init(struct drm_device *);
1185extern void nv50_fifo_takedown(struct drm_device *);
1186extern int  nv50_fifo_channel_id(struct drm_device *);
1187extern int  nv50_fifo_create_context(struct nouveau_channel *);
1188extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1189extern int  nv50_fifo_load_context(struct nouveau_channel *);
1190extern int  nv50_fifo_unload_context(struct drm_device *);
1191extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1192
1193/* nvc0_fifo.c */
1194extern int  nvc0_fifo_init(struct drm_device *);
1195extern void nvc0_fifo_takedown(struct drm_device *);
1196extern void nvc0_fifo_disable(struct drm_device *);
1197extern void nvc0_fifo_enable(struct drm_device *);
1198extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1199extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1200extern int  nvc0_fifo_channel_id(struct drm_device *);
1201extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1202extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1203extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1204extern int  nvc0_fifo_unload_context(struct drm_device *);
1205
1206/* nv04_graph.c */
1207extern int  nv04_graph_create(struct drm_device *);
1208extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1209extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1210				      u32 class, u32 mthd, u32 data);
1211extern struct nouveau_bitfield nv04_graph_nsource[];
1212
1213/* nv10_graph.c */
1214extern int  nv10_graph_create(struct drm_device *);
1215extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1216extern struct nouveau_bitfield nv10_graph_intr[];
1217extern struct nouveau_bitfield nv10_graph_nstatus[];
1218
1219/* nv20_graph.c */
1220extern int  nv20_graph_create(struct drm_device *);
1221
1222/* nv40_graph.c */
1223extern int  nv40_graph_create(struct drm_device *);
1224extern void nv40_grctx_init(struct nouveau_grctx *);
1225
1226/* nv50_graph.c */
1227extern int  nv50_graph_create(struct drm_device *);
1228extern int  nv50_grctx_init(struct nouveau_grctx *);
1229extern struct nouveau_enum nv50_data_error_names[];
1230extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1231
1232/* nvc0_graph.c */
1233extern int  nvc0_graph_create(struct drm_device *);
1234extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1235
1236/* nv84_crypt.c */
1237extern int  nv84_crypt_create(struct drm_device *);
1238
1239/* nv98_crypt.c */
1240extern int  nv98_crypt_create(struct drm_device *dev);
1241
1242/* nva3_copy.c */
1243extern int  nva3_copy_create(struct drm_device *dev);
1244
1245/* nvc0_copy.c */
1246extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1247
1248/* nv31_mpeg.c */
1249extern int  nv31_mpeg_create(struct drm_device *dev);
1250
1251/* nv50_mpeg.c */
1252extern int  nv50_mpeg_create(struct drm_device *dev);
1253
1254/* nv84_bsp.c */
1255/* nv98_bsp.c */
1256extern int  nv84_bsp_create(struct drm_device *dev);
1257
1258/* nv84_vp.c */
1259/* nv98_vp.c */
1260extern int  nv84_vp_create(struct drm_device *dev);
1261
1262/* nv98_ppp.c */
1263extern int  nv98_ppp_create(struct drm_device *dev);
1264
1265/* nv04_instmem.c */
1266extern int  nv04_instmem_init(struct drm_device *);
1267extern void nv04_instmem_takedown(struct drm_device *);
1268extern int  nv04_instmem_suspend(struct drm_device *);
1269extern void nv04_instmem_resume(struct drm_device *);
1270extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1271			     u32 size, u32 align);
1272extern void nv04_instmem_put(struct nouveau_gpuobj *);
1273extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1274extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1275extern void nv04_instmem_flush(struct drm_device *);
1276
1277/* nv50_instmem.c */
1278extern int  nv50_instmem_init(struct drm_device *);
1279extern void nv50_instmem_takedown(struct drm_device *);
1280extern int  nv50_instmem_suspend(struct drm_device *);
1281extern void nv50_instmem_resume(struct drm_device *);
1282extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
1283			     u32 size, u32 align);
1284extern void nv50_instmem_put(struct nouveau_gpuobj *);
1285extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1286extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1287extern void nv50_instmem_flush(struct drm_device *);
1288extern void nv84_instmem_flush(struct drm_device *);
1289
1290/* nvc0_instmem.c */
1291extern int  nvc0_instmem_init(struct drm_device *);
1292extern void nvc0_instmem_takedown(struct drm_device *);
1293extern int  nvc0_instmem_suspend(struct drm_device *);
1294extern void nvc0_instmem_resume(struct drm_device *);
1295
1296/* nv04_mc.c */
1297extern int  nv04_mc_init(struct drm_device *);
1298extern void nv04_mc_takedown(struct drm_device *);
1299
1300/* nv40_mc.c */
1301extern int  nv40_mc_init(struct drm_device *);
1302extern void nv40_mc_takedown(struct drm_device *);
1303
1304/* nv50_mc.c */
1305extern int  nv50_mc_init(struct drm_device *);
1306extern void nv50_mc_takedown(struct drm_device *);
1307
1308/* nv04_timer.c */
1309extern int  nv04_timer_init(struct drm_device *);
1310extern uint64_t nv04_timer_read(struct drm_device *);
1311extern void nv04_timer_takedown(struct drm_device *);
1312
1313extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1314				 unsigned long arg);
1315
1316/* nv04_dac.c */
1317extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1318extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1319extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1320extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1321extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1322
1323/* nv04_dfp.c */
1324extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1325extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1326extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1327			       int head, bool dl);
1328extern void nv04_dfp_disable(struct drm_device *dev, int head);
1329extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1330
1331/* nv04_tv.c */
1332extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1333extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1334
1335/* nv17_tv.c */
1336extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1337
1338/* nv04_display.c */
1339extern int nv04_display_early_init(struct drm_device *);
1340extern void nv04_display_late_takedown(struct drm_device *);
1341extern int nv04_display_create(struct drm_device *);
1342extern int nv04_display_init(struct drm_device *);
1343extern void nv04_display_destroy(struct drm_device *);
1344
1345/* nvd0_display.c */
1346extern int nvd0_display_create(struct drm_device *);
1347extern int nvd0_display_init(struct drm_device *);
1348extern void nvd0_display_destroy(struct drm_device *);
1349
1350/* nv04_crtc.c */
1351extern int nv04_crtc_create(struct drm_device *, int index);
1352
1353/* nouveau_bo.c */
1354extern struct ttm_bo_driver nouveau_bo_driver;
1355extern int nouveau_bo_new(struct drm_device *, int size, int align,
1356			  uint32_t flags, uint32_t tile_mode,
1357			  uint32_t tile_flags, struct nouveau_bo **);
1358extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1359extern int nouveau_bo_unpin(struct nouveau_bo *);
1360extern int nouveau_bo_map(struct nouveau_bo *);
1361extern void nouveau_bo_unmap(struct nouveau_bo *);
1362extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1363				     uint32_t busy);
1364extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1365extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1366extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1367extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1368extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1369extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1370			       bool no_wait_reserve, bool no_wait_gpu);
1371
1372extern struct nouveau_vma *
1373nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
1374extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
1375			       struct nouveau_vma *);
1376extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
1377
1378/* nouveau_fence.c */
1379struct nouveau_fence;
1380extern int nouveau_fence_init(struct drm_device *);
1381extern void nouveau_fence_fini(struct drm_device *);
1382extern int nouveau_fence_channel_init(struct nouveau_channel *);
1383extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1384extern void nouveau_fence_update(struct nouveau_channel *);
1385extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1386			     bool emit);
1387extern int nouveau_fence_emit(struct nouveau_fence *);
1388extern void nouveau_fence_work(struct nouveau_fence *fence,
1389			       void (*work)(void *priv, bool signalled),
1390			       void *priv);
1391struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1392
1393extern bool __nouveau_fence_signalled(void *obj, void *arg);
1394extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1395extern int __nouveau_fence_flush(void *obj, void *arg);
1396extern void __nouveau_fence_unref(void **obj);
1397extern void *__nouveau_fence_ref(void *obj);
1398
1399static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1400{
1401	return __nouveau_fence_signalled(obj, NULL);
1402}
1403static inline int
1404nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1405{
1406	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1407}
1408extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1409static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1410{
1411	return __nouveau_fence_flush(obj, NULL);
1412}
1413static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1414{
1415	__nouveau_fence_unref((void **)obj);
1416}
1417static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1418{
1419	return __nouveau_fence_ref(obj);
1420}
1421
1422/* nouveau_gem.c */
1423extern int nouveau_gem_new(struct drm_device *, int size, int align,
1424			   uint32_t domain, uint32_t tile_mode,
1425			   uint32_t tile_flags, struct nouveau_bo **);
1426extern int nouveau_gem_object_new(struct drm_gem_object *);
1427extern void nouveau_gem_object_del(struct drm_gem_object *);
1428extern int nouveau_gem_object_open(struct drm_gem_object *, struct drm_file *);
1429extern void nouveau_gem_object_close(struct drm_gem_object *,
1430				     struct drm_file *);
1431extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1432				 struct drm_file *);
1433extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1434				     struct drm_file *);
1435extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1436				      struct drm_file *);
1437extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1438				      struct drm_file *);
1439extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1440				  struct drm_file *);
1441
1442/* nouveau_display.c */
1443int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1444void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1445int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1446			   struct drm_pending_vblank_event *event);
1447int nouveau_finish_page_flip(struct nouveau_channel *,
1448			     struct nouveau_page_flip_state *);
1449int nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
1450				struct drm_mode_create_dumb *args);
1451int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
1452				    uint32_t handle, uint64_t *offset);
1453int nouveau_display_dumb_destroy(struct drm_file *, struct drm_device *,
1454				 uint32_t handle);
1455
1456/* nv10_gpio.c */
1457int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1458int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1459
1460/* nv50_gpio.c */
1461int nv50_gpio_init(struct drm_device *dev);
1462void nv50_gpio_fini(struct drm_device *dev);
1463int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1464int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1465int nvd0_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1466int nvd0_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1467int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1468			    void (*)(void *, int), void *);
1469void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1470			      void (*)(void *, int), void *);
1471bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1472
1473/* nv50_calc. */
1474int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1475		  int *N1, int *M1, int *N2, int *M2, int *P);
1476int nva3_calc_pll(struct drm_device *, struct pll_lims *,
1477		  int clk, int *N, int *fN, int *M, int *P);
1478
1479#ifndef ioread32_native
1480#ifdef __BIG_ENDIAN
1481#define ioread16_native ioread16be
1482#define iowrite16_native iowrite16be
1483#define ioread32_native  ioread32be
1484#define iowrite32_native iowrite32be
1485#else /* def __BIG_ENDIAN */
1486#define ioread16_native ioread16
1487#define iowrite16_native iowrite16
1488#define ioread32_native  ioread32
1489#define iowrite32_native iowrite32
1490#endif /* def __BIG_ENDIAN else */
1491#endif /* !ioread32_native */
1492
1493/* channel control reg access */
1494static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1495{
1496	return ioread32_native(chan->user + reg);
1497}
1498
1499static inline void nvchan_wr32(struct nouveau_channel *chan,
1500							unsigned reg, u32 val)
1501{
1502	iowrite32_native(val, chan->user + reg);
1503}
1504
1505/* register access */
1506static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1507{
1508	struct drm_nouveau_private *dev_priv = dev->dev_private;
1509	return ioread32_native(dev_priv->mmio + reg);
1510}
1511
1512static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1513{
1514	struct drm_nouveau_private *dev_priv = dev->dev_private;
1515	iowrite32_native(val, dev_priv->mmio + reg);
1516}
1517
1518static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1519{
1520	u32 tmp = nv_rd32(dev, reg);
1521	nv_wr32(dev, reg, (tmp & ~mask) | val);
1522	return tmp;
1523}
1524
1525static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1526{
1527	struct drm_nouveau_private *dev_priv = dev->dev_private;
1528	return ioread8(dev_priv->mmio + reg);
1529}
1530
1531static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1532{
1533	struct drm_nouveau_private *dev_priv = dev->dev_private;
1534	iowrite8(val, dev_priv->mmio + reg);
1535}
1536
1537#define nv_wait(dev, reg, mask, val) \
1538	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1539#define nv_wait_ne(dev, reg, mask, val) \
1540	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1541#define nv_wait_cb(dev, func, data) \
1542	nouveau_wait_cb(dev, 2000000000ULL, (func), (data))
1543
1544/* PRAMIN access */
1545static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1546{
1547	struct drm_nouveau_private *dev_priv = dev->dev_private;
1548	return ioread32_native(dev_priv->ramin + offset);
1549}
1550
1551static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1552{
1553	struct drm_nouveau_private *dev_priv = dev->dev_private;
1554	iowrite32_native(val, dev_priv->ramin + offset);
1555}
1556
1557/* object access */
1558extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1559extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1560
1561/*
1562 * Logging
1563 * Argument d is (struct drm_device *).
1564 */
1565#define NV_PRINTK(level, d, fmt, arg...) \
1566	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1567					pci_name(d->pdev), ##arg)
1568#ifndef NV_DEBUG_NOTRACE
1569#define NV_DEBUG(d, fmt, arg...) do {                                          \
1570	if (drm_debug & DRM_UT_DRIVER) {                                       \
1571		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1572			  __LINE__, ##arg);                                    \
1573	}                                                                      \
1574} while (0)
1575#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1576	if (drm_debug & DRM_UT_KMS) {                                          \
1577		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1578			  __LINE__, ##arg);                                    \
1579	}                                                                      \
1580} while (0)
1581#else
1582#define NV_DEBUG(d, fmt, arg...) do {                                          \
1583	if (drm_debug & DRM_UT_DRIVER)                                         \
1584		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1585} while (0)
1586#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1587	if (drm_debug & DRM_UT_KMS)                                            \
1588		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1589} while (0)
1590#endif
1591#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1592#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1593#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1594#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1595#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1596
1597/* nouveau_reg_debug bitmask */
1598enum {
1599	NOUVEAU_REG_DEBUG_MC             = 0x1,
1600	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1601	NOUVEAU_REG_DEBUG_FB             = 0x4,
1602	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1603	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1604	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1605	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1606	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1607	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1608	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1609	NOUVEAU_REG_DEBUG_AUXCH          = 0x400
1610};
1611
1612#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1613	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1614		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1615} while (0)
1616
1617static inline bool
1618nv_two_heads(struct drm_device *dev)
1619{
1620	struct drm_nouveau_private *dev_priv = dev->dev_private;
1621	const int impl = dev->pci_device & 0x0ff0;
1622
1623	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1624	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1625		return true;
1626
1627	return false;
1628}
1629
1630static inline bool
1631nv_gf4_disp_arch(struct drm_device *dev)
1632{
1633	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1634}
1635
1636static inline bool
1637nv_two_reg_pll(struct drm_device *dev)
1638{
1639	struct drm_nouveau_private *dev_priv = dev->dev_private;
1640	const int impl = dev->pci_device & 0x0ff0;
1641
1642	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1643		return true;
1644	return false;
1645}
1646
1647static inline bool
1648nv_match_device(struct drm_device *dev, unsigned device,
1649		unsigned sub_vendor, unsigned sub_device)
1650{
1651	return dev->pdev->device == device &&
1652		dev->pdev->subsystem_vendor == sub_vendor &&
1653		dev->pdev->subsystem_device == sub_device;
1654}
1655
1656static inline void *
1657nv_engine(struct drm_device *dev, int engine)
1658{
1659	struct drm_nouveau_private *dev_priv = dev->dev_private;
1660	return (void *)dev_priv->eng[engine];
1661}
1662
1663/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1664 * helpful to determine a number of other hardware features
1665 */
1666static inline int
1667nv44_graph_class(struct drm_device *dev)
1668{
1669	struct drm_nouveau_private *dev_priv = dev->dev_private;
1670
1671	if ((dev_priv->chipset & 0xf0) == 0x60)
1672		return 1;
1673
1674	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1675}
1676
1677/* memory type/access flags, do not match hardware values */
1678#define NV_MEM_ACCESS_RO  1
1679#define NV_MEM_ACCESS_WO  2
1680#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1681#define NV_MEM_ACCESS_SYS 4
1682#define NV_MEM_ACCESS_VM  8
1683
1684#define NV_MEM_TARGET_VRAM        0
1685#define NV_MEM_TARGET_PCI         1
1686#define NV_MEM_TARGET_PCI_NOSNOOP 2
1687#define NV_MEM_TARGET_VM          3
1688#define NV_MEM_TARGET_GART        4
1689
1690#define NV_MEM_TYPE_VM 0x7f
1691#define NV_MEM_COMP_VM 0x03
1692
1693/* NV_SW object class */
1694#define NV_SW                                                        0x0000506e
1695#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1696#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1697#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1698#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1699#define NV_SW_YIELD                                                  0x00000080
1700#define NV_SW_DMA_VBLSEM                                             0x0000018c
1701#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1702#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1703#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1704#define NV_SW_PAGE_FLIP                                              0x00000500
1705
1706#endif /* __NOUVEAU_DRV_H__ */
1707