nouveau_drv.h revision e04d8e829d7807e132d8c82c3554b164a803c617
1/*
2 * Copyright 2005 Stephane Marchesin.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef __NOUVEAU_DRV_H__
26#define __NOUVEAU_DRV_H__
27
28#define DRIVER_AUTHOR		"Stephane Marchesin"
29#define DRIVER_EMAIL		"dri-devel@lists.sourceforge.net"
30
31#define DRIVER_NAME		"nouveau"
32#define DRIVER_DESC		"nVidia Riva/TNT/GeForce"
33#define DRIVER_DATE		"20090420"
34
35#define DRIVER_MAJOR		0
36#define DRIVER_MINOR		0
37#define DRIVER_PATCHLEVEL	16
38
39#define NOUVEAU_FAMILY   0x0000FFFF
40#define NOUVEAU_FLAGS    0xFFFF0000
41
42#include "ttm/ttm_bo_api.h"
43#include "ttm/ttm_bo_driver.h"
44#include "ttm/ttm_placement.h"
45#include "ttm/ttm_memory.h"
46#include "ttm/ttm_module.h"
47
48struct nouveau_fpriv {
49	struct ttm_object_file *tfile;
50};
51
52#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
53
54#include "nouveau_drm.h"
55#include "nouveau_reg.h"
56#include "nouveau_bios.h"
57struct nouveau_grctx;
58
59#define MAX_NUM_DCB_ENTRIES 16
60
61#define NOUVEAU_MAX_CHANNEL_NR 128
62#define NOUVEAU_MAX_TILE_NR 15
63
64#define NV50_VM_MAX_VRAM (2*1024*1024*1024ULL)
65#define NV50_VM_BLOCK    (512*1024*1024ULL)
66#define NV50_VM_VRAM_NR  (NV50_VM_MAX_VRAM / NV50_VM_BLOCK)
67
68struct nouveau_tile_reg {
69	struct nouveau_fence *fence;
70	uint32_t addr;
71	uint32_t size;
72	bool used;
73};
74
75struct nouveau_bo {
76	struct ttm_buffer_object bo;
77	struct ttm_placement placement;
78	u32 placements[3];
79	u32 busy_placements[3];
80	struct ttm_bo_kmap_obj kmap;
81	struct list_head head;
82
83	/* protected by ttm_bo_reserve() */
84	struct drm_file *reserved_by;
85	struct list_head entry;
86	int pbbo_index;
87	bool validate_mapped;
88
89	struct nouveau_channel *channel;
90
91	bool mappable;
92	bool no_vm;
93
94	uint32_t tile_mode;
95	uint32_t tile_flags;
96	struct nouveau_tile_reg *tile;
97
98	struct drm_gem_object *gem;
99	struct drm_file *cpu_filp;
100	int pin_refcnt;
101};
102
103static inline struct nouveau_bo *
104nouveau_bo(struct ttm_buffer_object *bo)
105{
106	return container_of(bo, struct nouveau_bo, bo);
107}
108
109static inline struct nouveau_bo *
110nouveau_gem_object(struct drm_gem_object *gem)
111{
112	return gem ? gem->driver_private : NULL;
113}
114
115/* TODO: submit equivalent to TTM generic API upstream? */
116static inline void __iomem *
117nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
118{
119	bool is_iomem;
120	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
121						&nvbo->kmap, &is_iomem);
122	WARN_ON_ONCE(ioptr && !is_iomem);
123	return ioptr;
124}
125
126enum nouveau_flags {
127	NV_NFORCE   = 0x10000000,
128	NV_NFORCE2  = 0x20000000
129};
130
131#define NVOBJ_ENGINE_SW		0
132#define NVOBJ_ENGINE_GR		1
133#define NVOBJ_ENGINE_DISPLAY	2
134#define NVOBJ_ENGINE_INT	0xdeadbeef
135
136#define NVOBJ_FLAG_ALLOW_NO_REFS	(1 << 0)
137#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
138#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
139#define NVOBJ_FLAG_FAKE			(1 << 3)
140struct nouveau_gpuobj {
141	struct list_head list;
142
143	struct nouveau_channel *im_channel;
144	struct drm_mm_node *im_pramin;
145	struct nouveau_bo *im_backing;
146	uint32_t im_backing_start;
147	uint32_t *im_backing_suspend;
148	int im_bound;
149
150	uint32_t flags;
151	int refcount;
152
153	uint32_t engine;
154	uint32_t class;
155
156	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
157	void *priv;
158};
159
160struct nouveau_gpuobj_ref {
161	struct list_head list;
162
163	struct nouveau_gpuobj *gpuobj;
164	uint32_t instance;
165
166	struct nouveau_channel *channel;
167	int handle;
168};
169
170struct nouveau_channel {
171	struct drm_device *dev;
172	int id;
173
174	/* owner of this fifo */
175	struct drm_file *file_priv;
176	/* mapping of the fifo itself */
177	struct drm_local_map *map;
178
179	/* mapping of the regs controling the fifo */
180	void __iomem *user;
181	uint32_t user_get;
182	uint32_t user_put;
183
184	/* Fencing */
185	struct {
186		/* lock protects the pending list only */
187		spinlock_t lock;
188		struct list_head pending;
189		uint32_t sequence;
190		uint32_t sequence_ack;
191		atomic_t last_sequence_irq;
192	} fence;
193
194	/* DMA push buffer */
195	struct nouveau_gpuobj_ref *pushbuf;
196	struct nouveau_bo         *pushbuf_bo;
197	uint32_t                   pushbuf_base;
198
199	/* Notifier memory */
200	struct nouveau_bo *notifier_bo;
201	struct drm_mm notifier_heap;
202
203	/* PFIFO context */
204	struct nouveau_gpuobj_ref *ramfc;
205	struct nouveau_gpuobj_ref *cache;
206
207	/* PGRAPH context */
208	/* XXX may be merge 2 pointers as private data ??? */
209	struct nouveau_gpuobj_ref *ramin_grctx;
210	void *pgraph_ctx;
211
212	/* NV50 VM */
213	struct nouveau_gpuobj     *vm_pd;
214	struct nouveau_gpuobj_ref *vm_gart_pt;
215	struct nouveau_gpuobj_ref *vm_vram_pt[NV50_VM_VRAM_NR];
216
217	/* Objects */
218	struct nouveau_gpuobj_ref *ramin; /* Private instmem */
219	struct drm_mm              ramin_heap; /* Private PRAMIN heap */
220	struct nouveau_gpuobj_ref *ramht; /* Hash table */
221	struct list_head           ramht_refs; /* Objects referenced by RAMHT */
222
223	/* GPU object info for stuff used in-kernel (mm_enabled) */
224	uint32_t m2mf_ntfy;
225	uint32_t vram_handle;
226	uint32_t gart_handle;
227	bool accel_done;
228
229	/* Push buffer state (only for drm's channel on !mm_enabled) */
230	struct {
231		int max;
232		int free;
233		int cur;
234		int put;
235		/* access via pushbuf_bo */
236
237		int ib_base;
238		int ib_max;
239		int ib_free;
240		int ib_put;
241	} dma;
242
243	uint32_t sw_subchannel[8];
244
245	struct {
246		struct nouveau_gpuobj *vblsem;
247		uint32_t vblsem_offset;
248		uint32_t vblsem_rval;
249		struct list_head vbl_wait;
250	} nvsw;
251
252	struct {
253		bool active;
254		char name[32];
255		struct drm_info_list info;
256	} debugfs;
257};
258
259struct nouveau_instmem_engine {
260	void	*priv;
261
262	int	(*init)(struct drm_device *dev);
263	void	(*takedown)(struct drm_device *dev);
264	int	(*suspend)(struct drm_device *dev);
265	void	(*resume)(struct drm_device *dev);
266
267	int	(*populate)(struct drm_device *, struct nouveau_gpuobj *,
268			    uint32_t *size);
269	void	(*clear)(struct drm_device *, struct nouveau_gpuobj *);
270	int	(*bind)(struct drm_device *, struct nouveau_gpuobj *);
271	int	(*unbind)(struct drm_device *, struct nouveau_gpuobj *);
272	void	(*flush)(struct drm_device *);
273};
274
275struct nouveau_mc_engine {
276	int  (*init)(struct drm_device *dev);
277	void (*takedown)(struct drm_device *dev);
278};
279
280struct nouveau_timer_engine {
281	int      (*init)(struct drm_device *dev);
282	void     (*takedown)(struct drm_device *dev);
283	uint64_t (*read)(struct drm_device *dev);
284};
285
286struct nouveau_fb_engine {
287	int num_tiles;
288
289	int  (*init)(struct drm_device *dev);
290	void (*takedown)(struct drm_device *dev);
291
292	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
293				 uint32_t size, uint32_t pitch);
294};
295
296struct nouveau_fifo_engine {
297	int  channels;
298
299	struct nouveau_gpuobj_ref *playlist[2];
300	int cur_playlist;
301
302	int  (*init)(struct drm_device *);
303	void (*takedown)(struct drm_device *);
304
305	void (*disable)(struct drm_device *);
306	void (*enable)(struct drm_device *);
307	bool (*reassign)(struct drm_device *, bool enable);
308	bool (*cache_flush)(struct drm_device *dev);
309	bool (*cache_pull)(struct drm_device *dev, bool enable);
310
311	int  (*channel_id)(struct drm_device *);
312
313	int  (*create_context)(struct nouveau_channel *);
314	void (*destroy_context)(struct nouveau_channel *);
315	int  (*load_context)(struct nouveau_channel *);
316	int  (*unload_context)(struct drm_device *);
317};
318
319struct nouveau_pgraph_object_method {
320	int id;
321	int (*exec)(struct nouveau_channel *chan, int grclass, int mthd,
322		      uint32_t data);
323};
324
325struct nouveau_pgraph_object_class {
326	int id;
327	bool software;
328	struct nouveau_pgraph_object_method *methods;
329};
330
331struct nouveau_pgraph_engine {
332	struct nouveau_pgraph_object_class *grclass;
333	bool accel_blocked;
334	int grctx_size;
335
336	/* NV2x/NV3x context table (0x400780) */
337	struct nouveau_gpuobj_ref *ctx_table;
338
339	int  (*init)(struct drm_device *);
340	void (*takedown)(struct drm_device *);
341
342	void (*fifo_access)(struct drm_device *, bool);
343
344	struct nouveau_channel *(*channel)(struct drm_device *);
345	int  (*create_context)(struct nouveau_channel *);
346	void (*destroy_context)(struct nouveau_channel *);
347	int  (*load_context)(struct nouveau_channel *);
348	int  (*unload_context)(struct drm_device *);
349
350	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
351				  uint32_t size, uint32_t pitch);
352};
353
354struct nouveau_engine {
355	struct nouveau_instmem_engine instmem;
356	struct nouveau_mc_engine      mc;
357	struct nouveau_timer_engine   timer;
358	struct nouveau_fb_engine      fb;
359	struct nouveau_pgraph_engine  graph;
360	struct nouveau_fifo_engine    fifo;
361};
362
363struct nouveau_pll_vals {
364	union {
365		struct {
366#ifdef __BIG_ENDIAN
367			uint8_t N1, M1, N2, M2;
368#else
369			uint8_t M1, N1, M2, N2;
370#endif
371		};
372		struct {
373			uint16_t NM1, NM2;
374		} __attribute__((packed));
375	};
376	int log2P;
377
378	int refclk;
379};
380
381enum nv04_fp_display_regs {
382	FP_DISPLAY_END,
383	FP_TOTAL,
384	FP_CRTC,
385	FP_SYNC_START,
386	FP_SYNC_END,
387	FP_VALID_START,
388	FP_VALID_END
389};
390
391struct nv04_crtc_reg {
392	unsigned char MiscOutReg;     /* */
393	uint8_t CRTC[0x9f];
394	uint8_t CR58[0x10];
395	uint8_t Sequencer[5];
396	uint8_t Graphics[9];
397	uint8_t Attribute[21];
398	unsigned char DAC[768];       /* Internal Colorlookuptable */
399
400	/* PCRTC regs */
401	uint32_t fb_start;
402	uint32_t crtc_cfg;
403	uint32_t cursor_cfg;
404	uint32_t gpio_ext;
405	uint32_t crtc_830;
406	uint32_t crtc_834;
407	uint32_t crtc_850;
408	uint32_t crtc_eng_ctrl;
409
410	/* PRAMDAC regs */
411	uint32_t nv10_cursync;
412	struct nouveau_pll_vals pllvals;
413	uint32_t ramdac_gen_ctrl;
414	uint32_t ramdac_630;
415	uint32_t ramdac_634;
416	uint32_t tv_setup;
417	uint32_t tv_vtotal;
418	uint32_t tv_vskew;
419	uint32_t tv_vsync_delay;
420	uint32_t tv_htotal;
421	uint32_t tv_hskew;
422	uint32_t tv_hsync_delay;
423	uint32_t tv_hsync_delay2;
424	uint32_t fp_horiz_regs[7];
425	uint32_t fp_vert_regs[7];
426	uint32_t dither;
427	uint32_t fp_control;
428	uint32_t dither_regs[6];
429	uint32_t fp_debug_0;
430	uint32_t fp_debug_1;
431	uint32_t fp_debug_2;
432	uint32_t fp_margin_color;
433	uint32_t ramdac_8c0;
434	uint32_t ramdac_a20;
435	uint32_t ramdac_a24;
436	uint32_t ramdac_a34;
437	uint32_t ctv_regs[38];
438};
439
440struct nv04_output_reg {
441	uint32_t output;
442	int head;
443};
444
445struct nv04_mode_state {
446	uint32_t bpp;
447	uint32_t width;
448	uint32_t height;
449	uint32_t interlace;
450	uint32_t repaint0;
451	uint32_t repaint1;
452	uint32_t screen;
453	uint32_t scale;
454	uint32_t dither;
455	uint32_t extra;
456	uint32_t fifo;
457	uint32_t pixel;
458	uint32_t horiz;
459	int arbitration0;
460	int arbitration1;
461	uint32_t pll;
462	uint32_t pllB;
463	uint32_t vpll;
464	uint32_t vpll2;
465	uint32_t vpllB;
466	uint32_t vpll2B;
467	uint32_t pllsel;
468	uint32_t sel_clk;
469	uint32_t general;
470	uint32_t crtcOwner;
471	uint32_t head;
472	uint32_t head2;
473	uint32_t cursorConfig;
474	uint32_t cursor0;
475	uint32_t cursor1;
476	uint32_t cursor2;
477	uint32_t timingH;
478	uint32_t timingV;
479	uint32_t displayV;
480	uint32_t crtcSync;
481
482	struct nv04_crtc_reg crtc_reg[2];
483};
484
485enum nouveau_card_type {
486	NV_04      = 0x00,
487	NV_10      = 0x10,
488	NV_20      = 0x20,
489	NV_30      = 0x30,
490	NV_40      = 0x40,
491	NV_50      = 0x50,
492};
493
494struct drm_nouveau_private {
495	struct drm_device *dev;
496
497	/* the card type, takes NV_* as values */
498	enum nouveau_card_type card_type;
499	/* exact chipset, derived from NV_PMC_BOOT_0 */
500	int chipset;
501	int flags;
502
503	void __iomem *mmio;
504	void __iomem *ramin;
505	uint32_t ramin_size;
506
507	struct nouveau_bo *vga_ram;
508
509	struct workqueue_struct *wq;
510	struct work_struct irq_work;
511	struct work_struct hpd_work;
512
513	struct list_head vbl_waiting;
514
515	struct {
516		struct ttm_global_reference mem_global_ref;
517		struct ttm_bo_global_ref bo_global_ref;
518		struct ttm_bo_device bdev;
519		spinlock_t bo_list_lock;
520		struct list_head bo_list;
521		atomic_t validate_sequence;
522	} ttm;
523
524	int fifo_alloc_count;
525	struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR];
526
527	struct nouveau_engine engine;
528	struct nouveau_channel *channel;
529
530	/* For PFIFO and PGRAPH. */
531	spinlock_t context_switch_lock;
532
533	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
534	struct nouveau_gpuobj *ramht;
535	uint32_t ramin_rsvd_vram;
536	uint32_t ramht_offset;
537	uint32_t ramht_size;
538	uint32_t ramht_bits;
539	uint32_t ramfc_offset;
540	uint32_t ramfc_size;
541	uint32_t ramro_offset;
542	uint32_t ramro_size;
543
544	struct {
545		enum {
546			NOUVEAU_GART_NONE = 0,
547			NOUVEAU_GART_AGP,
548			NOUVEAU_GART_SGDMA
549		} type;
550		uint64_t aper_base;
551		uint64_t aper_size;
552		uint64_t aper_free;
553
554		struct nouveau_gpuobj *sg_ctxdma;
555		struct page *sg_dummy_page;
556		dma_addr_t sg_dummy_bus;
557	} gart_info;
558
559	/* nv10-nv40 tiling regions */
560	struct {
561		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
562		spinlock_t lock;
563	} tile;
564
565	/* VRAM/fb configuration */
566	uint64_t vram_size;
567	uint64_t vram_sys_base;
568
569	uint64_t fb_phys;
570	uint64_t fb_available_size;
571	uint64_t fb_mappable_pages;
572	uint64_t fb_aper_free;
573	int fb_mtrr;
574
575	/* G8x/G9x virtual address space */
576	uint64_t vm_gart_base;
577	uint64_t vm_gart_size;
578	uint64_t vm_vram_base;
579	uint64_t vm_vram_size;
580	uint64_t vm_end;
581	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
582	int vm_vram_pt_nr;
583
584	struct drm_mm ramin_heap;
585
586	struct list_head gpuobj_list;
587
588	struct nvbios vbios;
589
590	struct nv04_mode_state mode_reg;
591	struct nv04_mode_state saved_reg;
592	uint32_t saved_vga_font[4][16384];
593	uint32_t crtc_owner;
594	uint32_t dac_users[4];
595
596	struct nouveau_suspend_resume {
597		uint32_t *ramin_copy;
598	} susres;
599
600	struct backlight_device *backlight;
601
602	struct nouveau_channel *evo;
603	struct {
604		struct dcb_entry *dcb;
605		u16 script;
606		u32 pclk;
607	} evo_irq;
608
609	struct {
610		struct dentry *channel_root;
611	} debugfs;
612
613	struct nouveau_fbdev *nfbdev;
614	struct apertures_struct *apertures;
615};
616
617static inline struct drm_nouveau_private *
618nouveau_bdev(struct ttm_bo_device *bd)
619{
620	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
621}
622
623static inline int
624nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
625{
626	struct nouveau_bo *prev;
627
628	if (!pnvbo)
629		return -EINVAL;
630	prev = *pnvbo;
631
632	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
633	if (prev) {
634		struct ttm_buffer_object *bo = &prev->bo;
635
636		ttm_bo_unref(&bo);
637	}
638
639	return 0;
640}
641
642#define NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(id, cl, ch) do {    \
643	struct drm_nouveau_private *nv = dev->dev_private;       \
644	if (!nouveau_channel_owner(dev, (cl), (id))) {           \
645		NV_ERROR(dev, "pid %d doesn't own channel %d\n", \
646			 DRM_CURRENTPID, (id));                  \
647		return -EPERM;                                   \
648	}                                                        \
649	(ch) = nv->fifos[(id)];                                  \
650} while (0)
651
652/* nouveau_drv.c */
653extern int nouveau_noagp;
654extern int nouveau_duallink;
655extern int nouveau_uscript_lvds;
656extern int nouveau_uscript_tmds;
657extern int nouveau_vram_pushbuf;
658extern int nouveau_vram_notify;
659extern int nouveau_fbpercrtc;
660extern int nouveau_tv_disable;
661extern char *nouveau_tv_norm;
662extern int nouveau_reg_debug;
663extern char *nouveau_vbios;
664extern int nouveau_ignorelid;
665extern int nouveau_nofbaccel;
666extern int nouveau_noaccel;
667extern int nouveau_override_conntype;
668
669extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
670extern int nouveau_pci_resume(struct pci_dev *pdev);
671
672/* nouveau_state.c */
673extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
674extern int  nouveau_load(struct drm_device *, unsigned long flags);
675extern int  nouveau_firstopen(struct drm_device *);
676extern void nouveau_lastclose(struct drm_device *);
677extern int  nouveau_unload(struct drm_device *);
678extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
679				   struct drm_file *);
680extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
681				   struct drm_file *);
682extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
683			       uint32_t reg, uint32_t mask, uint32_t val);
684extern bool nouveau_wait_for_idle(struct drm_device *);
685extern int  nouveau_card_init(struct drm_device *);
686
687/* nouveau_mem.c */
688extern int  nouveau_mem_detect(struct drm_device *dev);
689extern int  nouveau_mem_init(struct drm_device *);
690extern int  nouveau_mem_init_agp(struct drm_device *);
691extern int  nouveau_mem_reset_agp(struct drm_device *);
692extern void nouveau_mem_close(struct drm_device *);
693extern struct nouveau_tile_reg *nv10_mem_set_tiling(struct drm_device *dev,
694						    uint32_t addr,
695						    uint32_t size,
696						    uint32_t pitch);
697extern void nv10_mem_expire_tiling(struct drm_device *dev,
698				   struct nouveau_tile_reg *tile,
699				   struct nouveau_fence *fence);
700extern int  nv50_mem_vm_bind_linear(struct drm_device *, uint64_t virt,
701				    uint32_t size, uint32_t flags,
702				    uint64_t phys);
703extern void nv50_mem_vm_unbind(struct drm_device *, uint64_t virt,
704			       uint32_t size);
705
706/* nouveau_notifier.c */
707extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
708extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
709extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
710				   int cout, uint32_t *offset);
711extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
712extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
713					 struct drm_file *);
714extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
715					struct drm_file *);
716
717/* nouveau_channel.c */
718extern struct drm_ioctl_desc nouveau_ioctls[];
719extern int nouveau_max_ioctl;
720extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
721extern int  nouveau_channel_owner(struct drm_device *, struct drm_file *,
722				  int channel);
723extern int  nouveau_channel_alloc(struct drm_device *dev,
724				  struct nouveau_channel **chan,
725				  struct drm_file *file_priv,
726				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
727extern void nouveau_channel_free(struct nouveau_channel *);
728
729/* nouveau_object.c */
730extern int  nouveau_gpuobj_early_init(struct drm_device *);
731extern int  nouveau_gpuobj_init(struct drm_device *);
732extern void nouveau_gpuobj_takedown(struct drm_device *);
733extern void nouveau_gpuobj_late_takedown(struct drm_device *);
734extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
735extern void nouveau_gpuobj_suspend_cleanup(struct drm_device *dev);
736extern void nouveau_gpuobj_resume(struct drm_device *dev);
737extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
738				       uint32_t vram_h, uint32_t tt_h);
739extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
740extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
741			      uint32_t size, int align, uint32_t flags,
742			      struct nouveau_gpuobj **);
743extern int nouveau_gpuobj_del(struct drm_device *, struct nouveau_gpuobj **);
744extern int nouveau_gpuobj_ref_add(struct drm_device *, struct nouveau_channel *,
745				  uint32_t handle, struct nouveau_gpuobj *,
746				  struct nouveau_gpuobj_ref **);
747extern int nouveau_gpuobj_ref_del(struct drm_device *,
748				  struct nouveau_gpuobj_ref **);
749extern int nouveau_gpuobj_ref_find(struct nouveau_channel *, uint32_t handle,
750				   struct nouveau_gpuobj_ref **ref_ret);
751extern int nouveau_gpuobj_new_ref(struct drm_device *,
752				  struct nouveau_channel *alloc_chan,
753				  struct nouveau_channel *ref_chan,
754				  uint32_t handle, uint32_t size, int align,
755				  uint32_t flags, struct nouveau_gpuobj_ref **);
756extern int nouveau_gpuobj_new_fake(struct drm_device *,
757				   uint32_t p_offset, uint32_t b_offset,
758				   uint32_t size, uint32_t flags,
759				   struct nouveau_gpuobj **,
760				   struct nouveau_gpuobj_ref**);
761extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
762				  uint64_t offset, uint64_t size, int access,
763				  int target, struct nouveau_gpuobj **);
764extern int nouveau_gpuobj_gart_dma_new(struct nouveau_channel *,
765				       uint64_t offset, uint64_t size,
766				       int access, struct nouveau_gpuobj **,
767				       uint32_t *o_ret);
768extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, int class,
769				 struct nouveau_gpuobj **);
770extern int nouveau_gpuobj_sw_new(struct nouveau_channel *, int class,
771				 struct nouveau_gpuobj **);
772extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
773				     struct drm_file *);
774extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
775				     struct drm_file *);
776
777/* nouveau_irq.c */
778extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
779extern void        nouveau_irq_preinstall(struct drm_device *);
780extern int         nouveau_irq_postinstall(struct drm_device *);
781extern void        nouveau_irq_uninstall(struct drm_device *);
782
783/* nouveau_sgdma.c */
784extern int nouveau_sgdma_init(struct drm_device *);
785extern void nouveau_sgdma_takedown(struct drm_device *);
786extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
787				  uint32_t *page);
788extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
789
790/* nouveau_debugfs.c */
791#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
792extern int  nouveau_debugfs_init(struct drm_minor *);
793extern void nouveau_debugfs_takedown(struct drm_minor *);
794extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
795extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
796#else
797static inline int
798nouveau_debugfs_init(struct drm_minor *minor)
799{
800	return 0;
801}
802
803static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
804{
805}
806
807static inline int
808nouveau_debugfs_channel_init(struct nouveau_channel *chan)
809{
810	return 0;
811}
812
813static inline void
814nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
815{
816}
817#endif
818
819/* nouveau_dma.c */
820extern void nouveau_dma_pre_init(struct nouveau_channel *);
821extern int  nouveau_dma_init(struct nouveau_channel *);
822extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
823
824/* nouveau_acpi.c */
825#define ROM_BIOS_PAGE 4096
826#if defined(CONFIG_ACPI)
827void nouveau_register_dsm_handler(void);
828void nouveau_unregister_dsm_handler(void);
829int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
830bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
831int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
832#else
833static inline void nouveau_register_dsm_handler(void) {}
834static inline void nouveau_unregister_dsm_handler(void) {}
835static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
836static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
837static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
838#endif
839
840/* nouveau_backlight.c */
841#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
842extern int nouveau_backlight_init(struct drm_device *);
843extern void nouveau_backlight_exit(struct drm_device *);
844#else
845static inline int nouveau_backlight_init(struct drm_device *dev)
846{
847	return 0;
848}
849
850static inline void nouveau_backlight_exit(struct drm_device *dev) { }
851#endif
852
853/* nouveau_bios.c */
854extern int nouveau_bios_init(struct drm_device *);
855extern void nouveau_bios_takedown(struct drm_device *dev);
856extern int nouveau_run_vbios_init(struct drm_device *);
857extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
858					struct dcb_entry *);
859extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
860						      enum dcb_gpio_tag);
861extern struct dcb_connector_table_entry *
862nouveau_bios_connector_entry(struct drm_device *, int index);
863extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
864			  struct pll_lims *);
865extern int nouveau_bios_run_display_table(struct drm_device *,
866					  struct dcb_entry *,
867					  uint32_t script, int pxclk);
868extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
869				   int *length);
870extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
871extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
872extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
873					 bool *dl, bool *if_is_24bit);
874extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
875			  int head, int pxclk);
876extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
877			    enum LVDS_script, int pxclk);
878
879/* nouveau_ttm.c */
880int nouveau_ttm_global_init(struct drm_nouveau_private *);
881void nouveau_ttm_global_release(struct drm_nouveau_private *);
882int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
883
884/* nouveau_dp.c */
885int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
886		     uint8_t *data, int data_nr);
887bool nouveau_dp_detect(struct drm_encoder *);
888bool nouveau_dp_link_train(struct drm_encoder *);
889
890/* nv04_fb.c */
891extern int  nv04_fb_init(struct drm_device *);
892extern void nv04_fb_takedown(struct drm_device *);
893
894/* nv10_fb.c */
895extern int  nv10_fb_init(struct drm_device *);
896extern void nv10_fb_takedown(struct drm_device *);
897extern void nv10_fb_set_region_tiling(struct drm_device *, int, uint32_t,
898				      uint32_t, uint32_t);
899
900/* nv30_fb.c */
901extern int  nv30_fb_init(struct drm_device *);
902extern void nv30_fb_takedown(struct drm_device *);
903
904/* nv40_fb.c */
905extern int  nv40_fb_init(struct drm_device *);
906extern void nv40_fb_takedown(struct drm_device *);
907extern void nv40_fb_set_region_tiling(struct drm_device *, int, uint32_t,
908				      uint32_t, uint32_t);
909
910/* nv50_fb.c */
911extern int  nv50_fb_init(struct drm_device *);
912extern void nv50_fb_takedown(struct drm_device *);
913
914/* nv04_fifo.c */
915extern int  nv04_fifo_init(struct drm_device *);
916extern void nv04_fifo_disable(struct drm_device *);
917extern void nv04_fifo_enable(struct drm_device *);
918extern bool nv04_fifo_reassign(struct drm_device *, bool);
919extern bool nv04_fifo_cache_flush(struct drm_device *);
920extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
921extern int  nv04_fifo_channel_id(struct drm_device *);
922extern int  nv04_fifo_create_context(struct nouveau_channel *);
923extern void nv04_fifo_destroy_context(struct nouveau_channel *);
924extern int  nv04_fifo_load_context(struct nouveau_channel *);
925extern int  nv04_fifo_unload_context(struct drm_device *);
926
927/* nv10_fifo.c */
928extern int  nv10_fifo_init(struct drm_device *);
929extern int  nv10_fifo_channel_id(struct drm_device *);
930extern int  nv10_fifo_create_context(struct nouveau_channel *);
931extern void nv10_fifo_destroy_context(struct nouveau_channel *);
932extern int  nv10_fifo_load_context(struct nouveau_channel *);
933extern int  nv10_fifo_unload_context(struct drm_device *);
934
935/* nv40_fifo.c */
936extern int  nv40_fifo_init(struct drm_device *);
937extern int  nv40_fifo_create_context(struct nouveau_channel *);
938extern void nv40_fifo_destroy_context(struct nouveau_channel *);
939extern int  nv40_fifo_load_context(struct nouveau_channel *);
940extern int  nv40_fifo_unload_context(struct drm_device *);
941
942/* nv50_fifo.c */
943extern int  nv50_fifo_init(struct drm_device *);
944extern void nv50_fifo_takedown(struct drm_device *);
945extern int  nv50_fifo_channel_id(struct drm_device *);
946extern int  nv50_fifo_create_context(struct nouveau_channel *);
947extern void nv50_fifo_destroy_context(struct nouveau_channel *);
948extern int  nv50_fifo_load_context(struct nouveau_channel *);
949extern int  nv50_fifo_unload_context(struct drm_device *);
950
951/* nv04_graph.c */
952extern struct nouveau_pgraph_object_class nv04_graph_grclass[];
953extern int  nv04_graph_init(struct drm_device *);
954extern void nv04_graph_takedown(struct drm_device *);
955extern void nv04_graph_fifo_access(struct drm_device *, bool);
956extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
957extern int  nv04_graph_create_context(struct nouveau_channel *);
958extern void nv04_graph_destroy_context(struct nouveau_channel *);
959extern int  nv04_graph_load_context(struct nouveau_channel *);
960extern int  nv04_graph_unload_context(struct drm_device *);
961extern void nv04_graph_context_switch(struct drm_device *);
962
963/* nv10_graph.c */
964extern struct nouveau_pgraph_object_class nv10_graph_grclass[];
965extern int  nv10_graph_init(struct drm_device *);
966extern void nv10_graph_takedown(struct drm_device *);
967extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
968extern int  nv10_graph_create_context(struct nouveau_channel *);
969extern void nv10_graph_destroy_context(struct nouveau_channel *);
970extern int  nv10_graph_load_context(struct nouveau_channel *);
971extern int  nv10_graph_unload_context(struct drm_device *);
972extern void nv10_graph_context_switch(struct drm_device *);
973extern void nv10_graph_set_region_tiling(struct drm_device *, int, uint32_t,
974					 uint32_t, uint32_t);
975
976/* nv20_graph.c */
977extern struct nouveau_pgraph_object_class nv20_graph_grclass[];
978extern struct nouveau_pgraph_object_class nv30_graph_grclass[];
979extern int  nv20_graph_create_context(struct nouveau_channel *);
980extern void nv20_graph_destroy_context(struct nouveau_channel *);
981extern int  nv20_graph_load_context(struct nouveau_channel *);
982extern int  nv20_graph_unload_context(struct drm_device *);
983extern int  nv20_graph_init(struct drm_device *);
984extern void nv20_graph_takedown(struct drm_device *);
985extern int  nv30_graph_init(struct drm_device *);
986extern void nv20_graph_set_region_tiling(struct drm_device *, int, uint32_t,
987					 uint32_t, uint32_t);
988
989/* nv40_graph.c */
990extern struct nouveau_pgraph_object_class nv40_graph_grclass[];
991extern int  nv40_graph_init(struct drm_device *);
992extern void nv40_graph_takedown(struct drm_device *);
993extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
994extern int  nv40_graph_create_context(struct nouveau_channel *);
995extern void nv40_graph_destroy_context(struct nouveau_channel *);
996extern int  nv40_graph_load_context(struct nouveau_channel *);
997extern int  nv40_graph_unload_context(struct drm_device *);
998extern void nv40_grctx_init(struct nouveau_grctx *);
999extern void nv40_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1000					 uint32_t, uint32_t);
1001
1002/* nv50_graph.c */
1003extern struct nouveau_pgraph_object_class nv50_graph_grclass[];
1004extern int  nv50_graph_init(struct drm_device *);
1005extern void nv50_graph_takedown(struct drm_device *);
1006extern void nv50_graph_fifo_access(struct drm_device *, bool);
1007extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1008extern int  nv50_graph_create_context(struct nouveau_channel *);
1009extern void nv50_graph_destroy_context(struct nouveau_channel *);
1010extern int  nv50_graph_load_context(struct nouveau_channel *);
1011extern int  nv50_graph_unload_context(struct drm_device *);
1012extern void nv50_graph_context_switch(struct drm_device *);
1013extern int  nv50_grctx_init(struct nouveau_grctx *);
1014
1015/* nv04_instmem.c */
1016extern int  nv04_instmem_init(struct drm_device *);
1017extern void nv04_instmem_takedown(struct drm_device *);
1018extern int  nv04_instmem_suspend(struct drm_device *);
1019extern void nv04_instmem_resume(struct drm_device *);
1020extern int  nv04_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1021				  uint32_t *size);
1022extern void nv04_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1023extern int  nv04_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1024extern int  nv04_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1025extern void nv04_instmem_flush(struct drm_device *);
1026
1027/* nv50_instmem.c */
1028extern int  nv50_instmem_init(struct drm_device *);
1029extern void nv50_instmem_takedown(struct drm_device *);
1030extern int  nv50_instmem_suspend(struct drm_device *);
1031extern void nv50_instmem_resume(struct drm_device *);
1032extern int  nv50_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1033				  uint32_t *size);
1034extern void nv50_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1035extern int  nv50_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1036extern int  nv50_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1037extern void nv50_instmem_flush(struct drm_device *);
1038extern void nv84_instmem_flush(struct drm_device *);
1039extern void nv50_vm_flush(struct drm_device *, int engine);
1040
1041/* nv04_mc.c */
1042extern int  nv04_mc_init(struct drm_device *);
1043extern void nv04_mc_takedown(struct drm_device *);
1044
1045/* nv40_mc.c */
1046extern int  nv40_mc_init(struct drm_device *);
1047extern void nv40_mc_takedown(struct drm_device *);
1048
1049/* nv50_mc.c */
1050extern int  nv50_mc_init(struct drm_device *);
1051extern void nv50_mc_takedown(struct drm_device *);
1052
1053/* nv04_timer.c */
1054extern int  nv04_timer_init(struct drm_device *);
1055extern uint64_t nv04_timer_read(struct drm_device *);
1056extern void nv04_timer_takedown(struct drm_device *);
1057
1058extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1059				 unsigned long arg);
1060
1061/* nv04_dac.c */
1062extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1063extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1064extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1065extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1066extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1067
1068/* nv04_dfp.c */
1069extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1070extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1071extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1072			       int head, bool dl);
1073extern void nv04_dfp_disable(struct drm_device *dev, int head);
1074extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1075
1076/* nv04_tv.c */
1077extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1078extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1079
1080/* nv17_tv.c */
1081extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1082
1083/* nv04_display.c */
1084extern int nv04_display_create(struct drm_device *);
1085extern void nv04_display_destroy(struct drm_device *);
1086extern void nv04_display_restore(struct drm_device *);
1087
1088/* nv04_crtc.c */
1089extern int nv04_crtc_create(struct drm_device *, int index);
1090
1091/* nouveau_bo.c */
1092extern struct ttm_bo_driver nouveau_bo_driver;
1093extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1094			  int size, int align, uint32_t flags,
1095			  uint32_t tile_mode, uint32_t tile_flags,
1096			  bool no_vm, bool mappable, struct nouveau_bo **);
1097extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1098extern int nouveau_bo_unpin(struct nouveau_bo *);
1099extern int nouveau_bo_map(struct nouveau_bo *);
1100extern void nouveau_bo_unmap(struct nouveau_bo *);
1101extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1102				     uint32_t busy);
1103extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1104extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1105extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1106extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1107
1108/* nouveau_fence.c */
1109struct nouveau_fence;
1110extern int nouveau_fence_init(struct nouveau_channel *);
1111extern void nouveau_fence_fini(struct nouveau_channel *);
1112extern void nouveau_fence_update(struct nouveau_channel *);
1113extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1114			     bool emit);
1115extern int nouveau_fence_emit(struct nouveau_fence *);
1116struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1117extern bool nouveau_fence_signalled(void *obj, void *arg);
1118extern int nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1119extern int nouveau_fence_flush(void *obj, void *arg);
1120extern void nouveau_fence_unref(void **obj);
1121extern void *nouveau_fence_ref(void *obj);
1122
1123/* nouveau_gem.c */
1124extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1125			   int size, int align, uint32_t flags,
1126			   uint32_t tile_mode, uint32_t tile_flags,
1127			   bool no_vm, bool mappable, struct nouveau_bo **);
1128extern int nouveau_gem_object_new(struct drm_gem_object *);
1129extern void nouveau_gem_object_del(struct drm_gem_object *);
1130extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1131				 struct drm_file *);
1132extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1133				     struct drm_file *);
1134extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1135				      struct drm_file *);
1136extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1137				      struct drm_file *);
1138extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1139				  struct drm_file *);
1140
1141/* nv17_gpio.c */
1142int nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1143int nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1144
1145/* nv50_gpio.c */
1146int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1147int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1148void nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1149
1150/* nv50_calc. */
1151int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1152		  int *N1, int *M1, int *N2, int *M2, int *P);
1153int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1154		   int clk, int *N, int *fN, int *M, int *P);
1155
1156#ifndef ioread32_native
1157#ifdef __BIG_ENDIAN
1158#define ioread16_native ioread16be
1159#define iowrite16_native iowrite16be
1160#define ioread32_native  ioread32be
1161#define iowrite32_native iowrite32be
1162#else /* def __BIG_ENDIAN */
1163#define ioread16_native ioread16
1164#define iowrite16_native iowrite16
1165#define ioread32_native  ioread32
1166#define iowrite32_native iowrite32
1167#endif /* def __BIG_ENDIAN else */
1168#endif /* !ioread32_native */
1169
1170/* channel control reg access */
1171static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1172{
1173	return ioread32_native(chan->user + reg);
1174}
1175
1176static inline void nvchan_wr32(struct nouveau_channel *chan,
1177							unsigned reg, u32 val)
1178{
1179	iowrite32_native(val, chan->user + reg);
1180}
1181
1182/* register access */
1183static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1184{
1185	struct drm_nouveau_private *dev_priv = dev->dev_private;
1186	return ioread32_native(dev_priv->mmio + reg);
1187}
1188
1189static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1190{
1191	struct drm_nouveau_private *dev_priv = dev->dev_private;
1192	iowrite32_native(val, dev_priv->mmio + reg);
1193}
1194
1195static inline void nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1196{
1197	u32 tmp = nv_rd32(dev, reg);
1198	tmp &= ~mask;
1199	tmp |= val;
1200	nv_wr32(dev, reg, tmp);
1201}
1202
1203static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1204{
1205	struct drm_nouveau_private *dev_priv = dev->dev_private;
1206	return ioread8(dev_priv->mmio + reg);
1207}
1208
1209static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1210{
1211	struct drm_nouveau_private *dev_priv = dev->dev_private;
1212	iowrite8(val, dev_priv->mmio + reg);
1213}
1214
1215#define nv_wait(reg, mask, val) \
1216	nouveau_wait_until(dev, 2000000000ULL, (reg), (mask), (val))
1217
1218/* PRAMIN access */
1219static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1220{
1221	struct drm_nouveau_private *dev_priv = dev->dev_private;
1222	return ioread32_native(dev_priv->ramin + offset);
1223}
1224
1225static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1226{
1227	struct drm_nouveau_private *dev_priv = dev->dev_private;
1228	iowrite32_native(val, dev_priv->ramin + offset);
1229}
1230
1231/* object access */
1232static inline u32 nv_ro32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1233				unsigned index)
1234{
1235	return nv_ri32(dev, obj->im_pramin->start + index * 4);
1236}
1237
1238static inline void nv_wo32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1239				unsigned index, u32 val)
1240{
1241	nv_wi32(dev, obj->im_pramin->start + index * 4, val);
1242}
1243
1244/*
1245 * Logging
1246 * Argument d is (struct drm_device *).
1247 */
1248#define NV_PRINTK(level, d, fmt, arg...) \
1249	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1250					pci_name(d->pdev), ##arg)
1251#ifndef NV_DEBUG_NOTRACE
1252#define NV_DEBUG(d, fmt, arg...) do {                                          \
1253	if (drm_debug & DRM_UT_DRIVER) {                                       \
1254		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1255			  __LINE__, ##arg);                                    \
1256	}                                                                      \
1257} while (0)
1258#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1259	if (drm_debug & DRM_UT_KMS) {                                          \
1260		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1261			  __LINE__, ##arg);                                    \
1262	}                                                                      \
1263} while (0)
1264#else
1265#define NV_DEBUG(d, fmt, arg...) do {                                          \
1266	if (drm_debug & DRM_UT_DRIVER)                                         \
1267		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1268} while (0)
1269#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1270	if (drm_debug & DRM_UT_KMS)                                            \
1271		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1272} while (0)
1273#endif
1274#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1275#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1276#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1277#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1278#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1279
1280/* nouveau_reg_debug bitmask */
1281enum {
1282	NOUVEAU_REG_DEBUG_MC             = 0x1,
1283	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1284	NOUVEAU_REG_DEBUG_FB             = 0x4,
1285	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1286	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1287	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1288	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1289	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1290	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1291	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1292};
1293
1294#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1295	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1296		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1297} while (0)
1298
1299static inline bool
1300nv_two_heads(struct drm_device *dev)
1301{
1302	struct drm_nouveau_private *dev_priv = dev->dev_private;
1303	const int impl = dev->pci_device & 0x0ff0;
1304
1305	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1306	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1307		return true;
1308
1309	return false;
1310}
1311
1312static inline bool
1313nv_gf4_disp_arch(struct drm_device *dev)
1314{
1315	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1316}
1317
1318static inline bool
1319nv_two_reg_pll(struct drm_device *dev)
1320{
1321	struct drm_nouveau_private *dev_priv = dev->dev_private;
1322	const int impl = dev->pci_device & 0x0ff0;
1323
1324	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1325		return true;
1326	return false;
1327}
1328
1329#define NV_SW                                                        0x0000506e
1330#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1331#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1332#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1333#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1334#define NV_SW_DMA_VBLSEM                                             0x0000018c
1335#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1336#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1337#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1338
1339#endif /* __NOUVEAU_DRV_H__ */
1340