nouveau_drv.h revision ac94a343c74fe0504663583a7590e89257214f0d
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		uint32_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	int  (*init)(struct drm_device *);
337	void (*takedown)(struct drm_device *);
338
339	void (*fifo_access)(struct drm_device *, bool);
340
341	struct nouveau_channel *(*channel)(struct drm_device *);
342	int  (*create_context)(struct nouveau_channel *);
343	void (*destroy_context)(struct nouveau_channel *);
344	int  (*load_context)(struct nouveau_channel *);
345	int  (*unload_context)(struct drm_device *);
346
347	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
348				  uint32_t size, uint32_t pitch);
349};
350
351struct nouveau_engine {
352	struct nouveau_instmem_engine instmem;
353	struct nouveau_mc_engine      mc;
354	struct nouveau_timer_engine   timer;
355	struct nouveau_fb_engine      fb;
356	struct nouveau_pgraph_engine  graph;
357	struct nouveau_fifo_engine    fifo;
358};
359
360struct nouveau_pll_vals {
361	union {
362		struct {
363#ifdef __BIG_ENDIAN
364			uint8_t N1, M1, N2, M2;
365#else
366			uint8_t M1, N1, M2, N2;
367#endif
368		};
369		struct {
370			uint16_t NM1, NM2;
371		} __attribute__((packed));
372	};
373	int log2P;
374
375	int refclk;
376};
377
378enum nv04_fp_display_regs {
379	FP_DISPLAY_END,
380	FP_TOTAL,
381	FP_CRTC,
382	FP_SYNC_START,
383	FP_SYNC_END,
384	FP_VALID_START,
385	FP_VALID_END
386};
387
388struct nv04_crtc_reg {
389	unsigned char MiscOutReg;     /* */
390	uint8_t CRTC[0x9f];
391	uint8_t CR58[0x10];
392	uint8_t Sequencer[5];
393	uint8_t Graphics[9];
394	uint8_t Attribute[21];
395	unsigned char DAC[768];       /* Internal Colorlookuptable */
396
397	/* PCRTC regs */
398	uint32_t fb_start;
399	uint32_t crtc_cfg;
400	uint32_t cursor_cfg;
401	uint32_t gpio_ext;
402	uint32_t crtc_830;
403	uint32_t crtc_834;
404	uint32_t crtc_850;
405	uint32_t crtc_eng_ctrl;
406
407	/* PRAMDAC regs */
408	uint32_t nv10_cursync;
409	struct nouveau_pll_vals pllvals;
410	uint32_t ramdac_gen_ctrl;
411	uint32_t ramdac_630;
412	uint32_t ramdac_634;
413	uint32_t tv_setup;
414	uint32_t tv_vtotal;
415	uint32_t tv_vskew;
416	uint32_t tv_vsync_delay;
417	uint32_t tv_htotal;
418	uint32_t tv_hskew;
419	uint32_t tv_hsync_delay;
420	uint32_t tv_hsync_delay2;
421	uint32_t fp_horiz_regs[7];
422	uint32_t fp_vert_regs[7];
423	uint32_t dither;
424	uint32_t fp_control;
425	uint32_t dither_regs[6];
426	uint32_t fp_debug_0;
427	uint32_t fp_debug_1;
428	uint32_t fp_debug_2;
429	uint32_t fp_margin_color;
430	uint32_t ramdac_8c0;
431	uint32_t ramdac_a20;
432	uint32_t ramdac_a24;
433	uint32_t ramdac_a34;
434	uint32_t ctv_regs[38];
435};
436
437struct nv04_output_reg {
438	uint32_t output;
439	int head;
440};
441
442struct nv04_mode_state {
443	uint32_t bpp;
444	uint32_t width;
445	uint32_t height;
446	uint32_t interlace;
447	uint32_t repaint0;
448	uint32_t repaint1;
449	uint32_t screen;
450	uint32_t scale;
451	uint32_t dither;
452	uint32_t extra;
453	uint32_t fifo;
454	uint32_t pixel;
455	uint32_t horiz;
456	int arbitration0;
457	int arbitration1;
458	uint32_t pll;
459	uint32_t pllB;
460	uint32_t vpll;
461	uint32_t vpll2;
462	uint32_t vpllB;
463	uint32_t vpll2B;
464	uint32_t pllsel;
465	uint32_t sel_clk;
466	uint32_t general;
467	uint32_t crtcOwner;
468	uint32_t head;
469	uint32_t head2;
470	uint32_t cursorConfig;
471	uint32_t cursor0;
472	uint32_t cursor1;
473	uint32_t cursor2;
474	uint32_t timingH;
475	uint32_t timingV;
476	uint32_t displayV;
477	uint32_t crtcSync;
478
479	struct nv04_crtc_reg crtc_reg[2];
480};
481
482enum nouveau_card_type {
483	NV_04      = 0x00,
484	NV_10      = 0x10,
485	NV_20      = 0x20,
486	NV_30      = 0x30,
487	NV_40      = 0x40,
488	NV_50      = 0x50,
489};
490
491struct drm_nouveau_private {
492	struct drm_device *dev;
493
494	/* the card type, takes NV_* as values */
495	enum nouveau_card_type card_type;
496	/* exact chipset, derived from NV_PMC_BOOT_0 */
497	int chipset;
498	int flags;
499
500	void __iomem *mmio;
501	void __iomem *ramin;
502	uint32_t ramin_size;
503
504	struct nouveau_bo *vga_ram;
505
506	struct workqueue_struct *wq;
507	struct work_struct irq_work;
508	struct work_struct hpd_work;
509
510	struct list_head vbl_waiting;
511
512	struct {
513		struct ttm_global_reference mem_global_ref;
514		struct ttm_bo_global_ref bo_global_ref;
515		struct ttm_bo_device bdev;
516		spinlock_t bo_list_lock;
517		struct list_head bo_list;
518		atomic_t validate_sequence;
519	} ttm;
520
521	int fifo_alloc_count;
522	struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR];
523
524	struct nouveau_engine engine;
525	struct nouveau_channel *channel;
526
527	/* For PFIFO and PGRAPH. */
528	spinlock_t context_switch_lock;
529
530	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
531	struct nouveau_gpuobj *ramht;
532	uint32_t ramin_rsvd_vram;
533	uint32_t ramht_offset;
534	uint32_t ramht_size;
535	uint32_t ramht_bits;
536	uint32_t ramfc_offset;
537	uint32_t ramfc_size;
538	uint32_t ramro_offset;
539	uint32_t ramro_size;
540
541	struct {
542		enum {
543			NOUVEAU_GART_NONE = 0,
544			NOUVEAU_GART_AGP,
545			NOUVEAU_GART_SGDMA
546		} type;
547		uint64_t aper_base;
548		uint64_t aper_size;
549		uint64_t aper_free;
550
551		struct nouveau_gpuobj *sg_ctxdma;
552		struct page *sg_dummy_page;
553		dma_addr_t sg_dummy_bus;
554	} gart_info;
555
556	/* nv10-nv40 tiling regions */
557	struct {
558		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
559		spinlock_t lock;
560	} tile;
561
562	/* VRAM/fb configuration */
563	uint64_t vram_size;
564	uint64_t vram_sys_base;
565
566	uint64_t fb_phys;
567	uint64_t fb_available_size;
568	uint64_t fb_mappable_pages;
569	uint64_t fb_aper_free;
570	int fb_mtrr;
571
572	/* G8x/G9x virtual address space */
573	uint64_t vm_gart_base;
574	uint64_t vm_gart_size;
575	uint64_t vm_vram_base;
576	uint64_t vm_vram_size;
577	uint64_t vm_end;
578	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
579	int vm_vram_pt_nr;
580
581	struct drm_mm ramin_heap;
582
583	/* context table pointed to be NV_PGRAPH_CHANNEL_CTX_TABLE (0x400780) */
584	uint32_t ctx_table_size;
585	struct nouveau_gpuobj_ref *ctx_table;
586
587	struct list_head gpuobj_list;
588
589	struct nvbios vbios;
590
591	struct nv04_mode_state mode_reg;
592	struct nv04_mode_state saved_reg;
593	uint32_t saved_vga_font[4][16384];
594	uint32_t crtc_owner;
595	uint32_t dac_users[4];
596
597	struct nouveau_suspend_resume {
598		uint32_t *ramin_copy;
599	} susres;
600
601	struct backlight_device *backlight;
602
603	struct nouveau_channel *evo;
604	struct {
605		struct dcb_entry *dcb;
606		u16 script;
607		u32 pclk;
608	} evo_irq;
609
610	struct {
611		struct dentry *channel_root;
612	} debugfs;
613
614	struct nouveau_fbdev *nfbdev;
615	struct apertures_struct *apertures;
616};
617
618static inline struct drm_nouveau_private *
619nouveau_bdev(struct ttm_bo_device *bd)
620{
621	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
622}
623
624static inline int
625nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
626{
627	struct nouveau_bo *prev;
628
629	if (!pnvbo)
630		return -EINVAL;
631	prev = *pnvbo;
632
633	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
634	if (prev) {
635		struct ttm_buffer_object *bo = &prev->bo;
636
637		ttm_bo_unref(&bo);
638	}
639
640	return 0;
641}
642
643#define NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(id, cl, ch) do {    \
644	struct drm_nouveau_private *nv = dev->dev_private;       \
645	if (!nouveau_channel_owner(dev, (cl), (id))) {           \
646		NV_ERROR(dev, "pid %d doesn't own channel %d\n", \
647			 DRM_CURRENTPID, (id));                  \
648		return -EPERM;                                   \
649	}                                                        \
650	(ch) = nv->fifos[(id)];                                  \
651} while (0)
652
653/* nouveau_drv.c */
654extern int nouveau_noagp;
655extern int nouveau_duallink;
656extern int nouveau_uscript_lvds;
657extern int nouveau_uscript_tmds;
658extern int nouveau_vram_pushbuf;
659extern int nouveau_vram_notify;
660extern int nouveau_fbpercrtc;
661extern int nouveau_tv_disable;
662extern char *nouveau_tv_norm;
663extern int nouveau_reg_debug;
664extern char *nouveau_vbios;
665extern int nouveau_ignorelid;
666extern int nouveau_nofbaccel;
667extern int nouveau_noaccel;
668extern int nouveau_override_conntype;
669
670extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
671extern int nouveau_pci_resume(struct pci_dev *pdev);
672
673/* nouveau_state.c */
674extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
675extern int  nouveau_load(struct drm_device *, unsigned long flags);
676extern int  nouveau_firstopen(struct drm_device *);
677extern void nouveau_lastclose(struct drm_device *);
678extern int  nouveau_unload(struct drm_device *);
679extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
680				   struct drm_file *);
681extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
682				   struct drm_file *);
683extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
684			       uint32_t reg, uint32_t mask, uint32_t val);
685extern bool nouveau_wait_for_idle(struct drm_device *);
686extern int  nouveau_card_init(struct drm_device *);
687
688/* nouveau_mem.c */
689extern int  nouveau_mem_detect(struct drm_device *dev);
690extern int  nouveau_mem_init(struct drm_device *);
691extern int  nouveau_mem_init_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);
831#else
832static inline void nouveau_register_dsm_handler(void) {}
833static inline void nouveau_unregister_dsm_handler(void) {}
834static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
835static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
836#endif
837
838/* nouveau_backlight.c */
839#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
840extern int nouveau_backlight_init(struct drm_device *);
841extern void nouveau_backlight_exit(struct drm_device *);
842#else
843static inline int nouveau_backlight_init(struct drm_device *dev)
844{
845	return 0;
846}
847
848static inline void nouveau_backlight_exit(struct drm_device *dev) { }
849#endif
850
851/* nouveau_bios.c */
852extern int nouveau_bios_init(struct drm_device *);
853extern void nouveau_bios_takedown(struct drm_device *dev);
854extern int nouveau_run_vbios_init(struct drm_device *);
855extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
856					struct dcb_entry *);
857extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
858						      enum dcb_gpio_tag);
859extern struct dcb_connector_table_entry *
860nouveau_bios_connector_entry(struct drm_device *, int index);
861extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
862			  struct pll_lims *);
863extern int nouveau_bios_run_display_table(struct drm_device *,
864					  struct dcb_entry *,
865					  uint32_t script, int pxclk);
866extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
867				   int *length);
868extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
869extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
870extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
871					 bool *dl, bool *if_is_24bit);
872extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
873			  int head, int pxclk);
874extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
875			    enum LVDS_script, int pxclk);
876
877/* nouveau_ttm.c */
878int nouveau_ttm_global_init(struct drm_nouveau_private *);
879void nouveau_ttm_global_release(struct drm_nouveau_private *);
880int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
881
882/* nouveau_dp.c */
883int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
884		     uint8_t *data, int data_nr);
885bool nouveau_dp_detect(struct drm_encoder *);
886bool nouveau_dp_link_train(struct drm_encoder *);
887
888/* nv04_fb.c */
889extern int  nv04_fb_init(struct drm_device *);
890extern void nv04_fb_takedown(struct drm_device *);
891
892/* nv10_fb.c */
893extern int  nv10_fb_init(struct drm_device *);
894extern void nv10_fb_takedown(struct drm_device *);
895extern void nv10_fb_set_region_tiling(struct drm_device *, int, uint32_t,
896				      uint32_t, uint32_t);
897
898/* nv40_fb.c */
899extern int  nv40_fb_init(struct drm_device *);
900extern void nv40_fb_takedown(struct drm_device *);
901extern void nv40_fb_set_region_tiling(struct drm_device *, int, uint32_t,
902				      uint32_t, uint32_t);
903
904/* nv50_fb.c */
905extern int  nv50_fb_init(struct drm_device *);
906extern void nv50_fb_takedown(struct drm_device *);
907
908/* nv04_fifo.c */
909extern int  nv04_fifo_init(struct drm_device *);
910extern void nv04_fifo_disable(struct drm_device *);
911extern void nv04_fifo_enable(struct drm_device *);
912extern bool nv04_fifo_reassign(struct drm_device *, bool);
913extern bool nv04_fifo_cache_flush(struct drm_device *);
914extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
915extern int  nv04_fifo_channel_id(struct drm_device *);
916extern int  nv04_fifo_create_context(struct nouveau_channel *);
917extern void nv04_fifo_destroy_context(struct nouveau_channel *);
918extern int  nv04_fifo_load_context(struct nouveau_channel *);
919extern int  nv04_fifo_unload_context(struct drm_device *);
920
921/* nv10_fifo.c */
922extern int  nv10_fifo_init(struct drm_device *);
923extern int  nv10_fifo_channel_id(struct drm_device *);
924extern int  nv10_fifo_create_context(struct nouveau_channel *);
925extern void nv10_fifo_destroy_context(struct nouveau_channel *);
926extern int  nv10_fifo_load_context(struct nouveau_channel *);
927extern int  nv10_fifo_unload_context(struct drm_device *);
928
929/* nv40_fifo.c */
930extern int  nv40_fifo_init(struct drm_device *);
931extern int  nv40_fifo_create_context(struct nouveau_channel *);
932extern void nv40_fifo_destroy_context(struct nouveau_channel *);
933extern int  nv40_fifo_load_context(struct nouveau_channel *);
934extern int  nv40_fifo_unload_context(struct drm_device *);
935
936/* nv50_fifo.c */
937extern int  nv50_fifo_init(struct drm_device *);
938extern void nv50_fifo_takedown(struct drm_device *);
939extern int  nv50_fifo_channel_id(struct drm_device *);
940extern int  nv50_fifo_create_context(struct nouveau_channel *);
941extern void nv50_fifo_destroy_context(struct nouveau_channel *);
942extern int  nv50_fifo_load_context(struct nouveau_channel *);
943extern int  nv50_fifo_unload_context(struct drm_device *);
944
945/* nv04_graph.c */
946extern struct nouveau_pgraph_object_class nv04_graph_grclass[];
947extern int  nv04_graph_init(struct drm_device *);
948extern void nv04_graph_takedown(struct drm_device *);
949extern void nv04_graph_fifo_access(struct drm_device *, bool);
950extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
951extern int  nv04_graph_create_context(struct nouveau_channel *);
952extern void nv04_graph_destroy_context(struct nouveau_channel *);
953extern int  nv04_graph_load_context(struct nouveau_channel *);
954extern int  nv04_graph_unload_context(struct drm_device *);
955extern void nv04_graph_context_switch(struct drm_device *);
956
957/* nv10_graph.c */
958extern struct nouveau_pgraph_object_class nv10_graph_grclass[];
959extern int  nv10_graph_init(struct drm_device *);
960extern void nv10_graph_takedown(struct drm_device *);
961extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
962extern int  nv10_graph_create_context(struct nouveau_channel *);
963extern void nv10_graph_destroy_context(struct nouveau_channel *);
964extern int  nv10_graph_load_context(struct nouveau_channel *);
965extern int  nv10_graph_unload_context(struct drm_device *);
966extern void nv10_graph_context_switch(struct drm_device *);
967extern void nv10_graph_set_region_tiling(struct drm_device *, int, uint32_t,
968					 uint32_t, uint32_t);
969
970/* nv20_graph.c */
971extern struct nouveau_pgraph_object_class nv20_graph_grclass[];
972extern struct nouveau_pgraph_object_class nv30_graph_grclass[];
973extern int  nv20_graph_create_context(struct nouveau_channel *);
974extern void nv20_graph_destroy_context(struct nouveau_channel *);
975extern int  nv20_graph_load_context(struct nouveau_channel *);
976extern int  nv20_graph_unload_context(struct drm_device *);
977extern int  nv20_graph_init(struct drm_device *);
978extern void nv20_graph_takedown(struct drm_device *);
979extern int  nv30_graph_init(struct drm_device *);
980extern void nv20_graph_set_region_tiling(struct drm_device *, int, uint32_t,
981					 uint32_t, uint32_t);
982
983/* nv40_graph.c */
984extern struct nouveau_pgraph_object_class nv40_graph_grclass[];
985extern int  nv40_graph_init(struct drm_device *);
986extern void nv40_graph_takedown(struct drm_device *);
987extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
988extern int  nv40_graph_create_context(struct nouveau_channel *);
989extern void nv40_graph_destroy_context(struct nouveau_channel *);
990extern int  nv40_graph_load_context(struct nouveau_channel *);
991extern int  nv40_graph_unload_context(struct drm_device *);
992extern void nv40_grctx_init(struct nouveau_grctx *);
993extern void nv40_graph_set_region_tiling(struct drm_device *, int, uint32_t,
994					 uint32_t, uint32_t);
995
996/* nv50_graph.c */
997extern struct nouveau_pgraph_object_class nv50_graph_grclass[];
998extern int  nv50_graph_init(struct drm_device *);
999extern void nv50_graph_takedown(struct drm_device *);
1000extern void nv50_graph_fifo_access(struct drm_device *, bool);
1001extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1002extern int  nv50_graph_create_context(struct nouveau_channel *);
1003extern void nv50_graph_destroy_context(struct nouveau_channel *);
1004extern int  nv50_graph_load_context(struct nouveau_channel *);
1005extern int  nv50_graph_unload_context(struct drm_device *);
1006extern void nv50_graph_context_switch(struct drm_device *);
1007extern int  nv50_grctx_init(struct nouveau_grctx *);
1008
1009/* nv04_instmem.c */
1010extern int  nv04_instmem_init(struct drm_device *);
1011extern void nv04_instmem_takedown(struct drm_device *);
1012extern int  nv04_instmem_suspend(struct drm_device *);
1013extern void nv04_instmem_resume(struct drm_device *);
1014extern int  nv04_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1015				  uint32_t *size);
1016extern void nv04_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1017extern int  nv04_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1018extern int  nv04_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1019extern void nv04_instmem_flush(struct drm_device *);
1020
1021/* nv50_instmem.c */
1022extern int  nv50_instmem_init(struct drm_device *);
1023extern void nv50_instmem_takedown(struct drm_device *);
1024extern int  nv50_instmem_suspend(struct drm_device *);
1025extern void nv50_instmem_resume(struct drm_device *);
1026extern int  nv50_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1027				  uint32_t *size);
1028extern void nv50_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1029extern int  nv50_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1030extern int  nv50_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1031extern void nv50_instmem_flush(struct drm_device *);
1032extern void nv50_vm_flush(struct drm_device *, int engine);
1033
1034/* nv04_mc.c */
1035extern int  nv04_mc_init(struct drm_device *);
1036extern void nv04_mc_takedown(struct drm_device *);
1037
1038/* nv40_mc.c */
1039extern int  nv40_mc_init(struct drm_device *);
1040extern void nv40_mc_takedown(struct drm_device *);
1041
1042/* nv50_mc.c */
1043extern int  nv50_mc_init(struct drm_device *);
1044extern void nv50_mc_takedown(struct drm_device *);
1045
1046/* nv04_timer.c */
1047extern int  nv04_timer_init(struct drm_device *);
1048extern uint64_t nv04_timer_read(struct drm_device *);
1049extern void nv04_timer_takedown(struct drm_device *);
1050
1051extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1052				 unsigned long arg);
1053
1054/* nv04_dac.c */
1055extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1056extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1057extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1058extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1059extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1060
1061/* nv04_dfp.c */
1062extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1063extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1064extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1065			       int head, bool dl);
1066extern void nv04_dfp_disable(struct drm_device *dev, int head);
1067extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1068
1069/* nv04_tv.c */
1070extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1071extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1072
1073/* nv17_tv.c */
1074extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1075
1076/* nv04_display.c */
1077extern int nv04_display_create(struct drm_device *);
1078extern void nv04_display_destroy(struct drm_device *);
1079extern void nv04_display_restore(struct drm_device *);
1080
1081/* nv04_crtc.c */
1082extern int nv04_crtc_create(struct drm_device *, int index);
1083
1084/* nouveau_bo.c */
1085extern struct ttm_bo_driver nouveau_bo_driver;
1086extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1087			  int size, int align, uint32_t flags,
1088			  uint32_t tile_mode, uint32_t tile_flags,
1089			  bool no_vm, bool mappable, struct nouveau_bo **);
1090extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1091extern int nouveau_bo_unpin(struct nouveau_bo *);
1092extern int nouveau_bo_map(struct nouveau_bo *);
1093extern void nouveau_bo_unmap(struct nouveau_bo *);
1094extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1095				     uint32_t busy);
1096extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1097extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1098extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1099extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1100
1101/* nouveau_fence.c */
1102struct nouveau_fence;
1103extern int nouveau_fence_init(struct nouveau_channel *);
1104extern void nouveau_fence_fini(struct nouveau_channel *);
1105extern void nouveau_fence_update(struct nouveau_channel *);
1106extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1107			     bool emit);
1108extern int nouveau_fence_emit(struct nouveau_fence *);
1109struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1110extern bool nouveau_fence_signalled(void *obj, void *arg);
1111extern int nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1112extern int nouveau_fence_flush(void *obj, void *arg);
1113extern void nouveau_fence_unref(void **obj);
1114extern void *nouveau_fence_ref(void *obj);
1115extern void nouveau_fence_handler(struct drm_device *dev, int channel);
1116
1117/* nouveau_gem.c */
1118extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1119			   int size, int align, uint32_t flags,
1120			   uint32_t tile_mode, uint32_t tile_flags,
1121			   bool no_vm, bool mappable, struct nouveau_bo **);
1122extern int nouveau_gem_object_new(struct drm_gem_object *);
1123extern void nouveau_gem_object_del(struct drm_gem_object *);
1124extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1125				 struct drm_file *);
1126extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1127				     struct drm_file *);
1128extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1129				      struct drm_file *);
1130extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1131				      struct drm_file *);
1132extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1133				  struct drm_file *);
1134
1135/* nv17_gpio.c */
1136int nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1137int nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1138
1139/* nv50_gpio.c */
1140int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1141int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1142
1143/* nv50_calc. */
1144int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1145		  int *N1, int *M1, int *N2, int *M2, int *P);
1146int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1147		   int clk, int *N, int *fN, int *M, int *P);
1148
1149#ifndef ioread32_native
1150#ifdef __BIG_ENDIAN
1151#define ioread16_native ioread16be
1152#define iowrite16_native iowrite16be
1153#define ioread32_native  ioread32be
1154#define iowrite32_native iowrite32be
1155#else /* def __BIG_ENDIAN */
1156#define ioread16_native ioread16
1157#define iowrite16_native iowrite16
1158#define ioread32_native  ioread32
1159#define iowrite32_native iowrite32
1160#endif /* def __BIG_ENDIAN else */
1161#endif /* !ioread32_native */
1162
1163/* channel control reg access */
1164static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1165{
1166	return ioread32_native(chan->user + reg);
1167}
1168
1169static inline void nvchan_wr32(struct nouveau_channel *chan,
1170							unsigned reg, u32 val)
1171{
1172	iowrite32_native(val, chan->user + reg);
1173}
1174
1175/* register access */
1176static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1177{
1178	struct drm_nouveau_private *dev_priv = dev->dev_private;
1179	return ioread32_native(dev_priv->mmio + reg);
1180}
1181
1182static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1183{
1184	struct drm_nouveau_private *dev_priv = dev->dev_private;
1185	iowrite32_native(val, dev_priv->mmio + reg);
1186}
1187
1188static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1189{
1190	struct drm_nouveau_private *dev_priv = dev->dev_private;
1191	return ioread8(dev_priv->mmio + reg);
1192}
1193
1194static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1195{
1196	struct drm_nouveau_private *dev_priv = dev->dev_private;
1197	iowrite8(val, dev_priv->mmio + reg);
1198}
1199
1200#define nv_wait(reg, mask, val) \
1201	nouveau_wait_until(dev, 2000000000ULL, (reg), (mask), (val))
1202
1203/* PRAMIN access */
1204static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1205{
1206	struct drm_nouveau_private *dev_priv = dev->dev_private;
1207	return ioread32_native(dev_priv->ramin + offset);
1208}
1209
1210static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1211{
1212	struct drm_nouveau_private *dev_priv = dev->dev_private;
1213	iowrite32_native(val, dev_priv->ramin + offset);
1214}
1215
1216/* object access */
1217static inline u32 nv_ro32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1218				unsigned index)
1219{
1220	return nv_ri32(dev, obj->im_pramin->start + index * 4);
1221}
1222
1223static inline void nv_wo32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1224				unsigned index, u32 val)
1225{
1226	nv_wi32(dev, obj->im_pramin->start + index * 4, val);
1227}
1228
1229/*
1230 * Logging
1231 * Argument d is (struct drm_device *).
1232 */
1233#define NV_PRINTK(level, d, fmt, arg...) \
1234	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1235					pci_name(d->pdev), ##arg)
1236#ifndef NV_DEBUG_NOTRACE
1237#define NV_DEBUG(d, fmt, arg...) do {                                          \
1238	if (drm_debug & DRM_UT_DRIVER) {                                       \
1239		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1240			  __LINE__, ##arg);                                    \
1241	}                                                                      \
1242} while (0)
1243#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1244	if (drm_debug & DRM_UT_KMS) {                                          \
1245		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1246			  __LINE__, ##arg);                                    \
1247	}                                                                      \
1248} while (0)
1249#else
1250#define NV_DEBUG(d, fmt, arg...) do {                                          \
1251	if (drm_debug & DRM_UT_DRIVER)                                         \
1252		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1253} while (0)
1254#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1255	if (drm_debug & DRM_UT_KMS)                                            \
1256		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1257} while (0)
1258#endif
1259#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1260#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1261#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1262#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1263#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1264
1265/* nouveau_reg_debug bitmask */
1266enum {
1267	NOUVEAU_REG_DEBUG_MC             = 0x1,
1268	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1269	NOUVEAU_REG_DEBUG_FB             = 0x4,
1270	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1271	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1272	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1273	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1274	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1275	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1276	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1277};
1278
1279#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1280	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1281		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1282} while (0)
1283
1284static inline bool
1285nv_two_heads(struct drm_device *dev)
1286{
1287	struct drm_nouveau_private *dev_priv = dev->dev_private;
1288	const int impl = dev->pci_device & 0x0ff0;
1289
1290	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1291	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1292		return true;
1293
1294	return false;
1295}
1296
1297static inline bool
1298nv_gf4_disp_arch(struct drm_device *dev)
1299{
1300	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1301}
1302
1303static inline bool
1304nv_two_reg_pll(struct drm_device *dev)
1305{
1306	struct drm_nouveau_private *dev_priv = dev->dev_private;
1307	const int impl = dev->pci_device & 0x0ff0;
1308
1309	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1310		return true;
1311	return false;
1312}
1313
1314#define NV_SW                                                        0x0000506e
1315#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1316#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1317#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1318#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1319#define NV_SW_DMA_VBLSEM                                             0x0000018c
1320#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1321#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1322#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1323
1324#endif /* __NOUVEAU_DRV_H__ */
1325