nouveau_drv.h revision 04a39c577f4114a3f098ee8ef0e20f7778b5ddad
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	struct ttm_bo_kmap_obj kmap;
80	struct list_head head;
81
82	/* protected by ttm_bo_reserve() */
83	struct drm_file *reserved_by;
84	struct list_head entry;
85	int pbbo_index;
86	bool validate_mapped;
87
88	struct nouveau_channel *channel;
89
90	bool mappable;
91	bool no_vm;
92
93	uint32_t tile_mode;
94	uint32_t tile_flags;
95	struct nouveau_tile_reg *tile;
96
97	struct drm_gem_object *gem;
98	struct drm_file *cpu_filp;
99	int pin_refcnt;
100};
101
102static inline struct nouveau_bo *
103nouveau_bo(struct ttm_buffer_object *bo)
104{
105	return container_of(bo, struct nouveau_bo, bo);
106}
107
108static inline struct nouveau_bo *
109nouveau_gem_object(struct drm_gem_object *gem)
110{
111	return gem ? gem->driver_private : NULL;
112}
113
114/* TODO: submit equivalent to TTM generic API upstream? */
115static inline void __iomem *
116nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
117{
118	bool is_iomem;
119	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
120						&nvbo->kmap, &is_iomem);
121	WARN_ON_ONCE(ioptr && !is_iomem);
122	return ioptr;
123}
124
125struct mem_block {
126	struct mem_block *next;
127	struct mem_block *prev;
128	uint64_t start;
129	uint64_t size;
130	struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
131};
132
133enum nouveau_flags {
134	NV_NFORCE   = 0x10000000,
135	NV_NFORCE2  = 0x20000000
136};
137
138#define NVOBJ_ENGINE_SW		0
139#define NVOBJ_ENGINE_GR		1
140#define NVOBJ_ENGINE_DISPLAY	2
141#define NVOBJ_ENGINE_INT	0xdeadbeef
142
143#define NVOBJ_FLAG_ALLOW_NO_REFS	(1 << 0)
144#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
145#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
146#define NVOBJ_FLAG_FAKE			(1 << 3)
147struct nouveau_gpuobj {
148	struct list_head list;
149
150	struct nouveau_channel *im_channel;
151	struct mem_block *im_pramin;
152	struct nouveau_bo *im_backing;
153	uint32_t im_backing_start;
154	uint32_t *im_backing_suspend;
155	int im_bound;
156
157	uint32_t flags;
158	int refcount;
159
160	uint32_t engine;
161	uint32_t class;
162
163	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
164	void *priv;
165};
166
167struct nouveau_gpuobj_ref {
168	struct list_head list;
169
170	struct nouveau_gpuobj *gpuobj;
171	uint32_t instance;
172
173	struct nouveau_channel *channel;
174	int handle;
175};
176
177struct nouveau_channel {
178	struct drm_device *dev;
179	int id;
180
181	/* owner of this fifo */
182	struct drm_file *file_priv;
183	/* mapping of the fifo itself */
184	struct drm_local_map *map;
185
186	/* mapping of the regs controling the fifo */
187	void __iomem *user;
188	uint32_t user_get;
189	uint32_t user_put;
190
191	/* Fencing */
192	struct {
193		/* lock protects the pending list only */
194		spinlock_t lock;
195		struct list_head pending;
196		uint32_t sequence;
197		uint32_t sequence_ack;
198		uint32_t last_sequence_irq;
199	} fence;
200
201	/* DMA push buffer */
202	struct nouveau_gpuobj_ref *pushbuf;
203	struct nouveau_bo         *pushbuf_bo;
204	uint32_t                   pushbuf_base;
205
206	/* Notifier memory */
207	struct nouveau_bo *notifier_bo;
208	struct mem_block *notifier_heap;
209
210	/* PFIFO context */
211	struct nouveau_gpuobj_ref *ramfc;
212	struct nouveau_gpuobj_ref *cache;
213
214	/* PGRAPH context */
215	/* XXX may be merge 2 pointers as private data ??? */
216	struct nouveau_gpuobj_ref *ramin_grctx;
217	void *pgraph_ctx;
218
219	/* NV50 VM */
220	struct nouveau_gpuobj     *vm_pd;
221	struct nouveau_gpuobj_ref *vm_gart_pt;
222	struct nouveau_gpuobj_ref *vm_vram_pt[NV50_VM_VRAM_NR];
223
224	/* Objects */
225	struct nouveau_gpuobj_ref *ramin; /* Private instmem */
226	struct mem_block          *ramin_heap; /* Private PRAMIN heap */
227	struct nouveau_gpuobj_ref *ramht; /* Hash table */
228	struct list_head           ramht_refs; /* Objects referenced by RAMHT */
229
230	/* GPU object info for stuff used in-kernel (mm_enabled) */
231	uint32_t m2mf_ntfy;
232	uint32_t vram_handle;
233	uint32_t gart_handle;
234	bool accel_done;
235
236	/* Push buffer state (only for drm's channel on !mm_enabled) */
237	struct {
238		int max;
239		int free;
240		int cur;
241		int put;
242		/* access via pushbuf_bo */
243
244		int ib_base;
245		int ib_max;
246		int ib_free;
247		int ib_put;
248	} dma;
249
250	uint32_t sw_subchannel[8];
251
252	struct {
253		struct nouveau_gpuobj *vblsem;
254		uint32_t vblsem_offset;
255		uint32_t vblsem_rval;
256		struct list_head vbl_wait;
257	} nvsw;
258
259	struct {
260		bool active;
261		char name[32];
262		struct drm_info_list info;
263	} debugfs;
264};
265
266struct nouveau_instmem_engine {
267	void	*priv;
268
269	int	(*init)(struct drm_device *dev);
270	void	(*takedown)(struct drm_device *dev);
271	int	(*suspend)(struct drm_device *dev);
272	void	(*resume)(struct drm_device *dev);
273
274	int	(*populate)(struct drm_device *, struct nouveau_gpuobj *,
275			    uint32_t *size);
276	void	(*clear)(struct drm_device *, struct nouveau_gpuobj *);
277	int	(*bind)(struct drm_device *, struct nouveau_gpuobj *);
278	int	(*unbind)(struct drm_device *, struct nouveau_gpuobj *);
279	void	(*prepare_access)(struct drm_device *, bool write);
280	void	(*finish_access)(struct drm_device *);
281};
282
283struct nouveau_mc_engine {
284	int  (*init)(struct drm_device *dev);
285	void (*takedown)(struct drm_device *dev);
286};
287
288struct nouveau_timer_engine {
289	int      (*init)(struct drm_device *dev);
290	void     (*takedown)(struct drm_device *dev);
291	uint64_t (*read)(struct drm_device *dev);
292};
293
294struct nouveau_fb_engine {
295	int num_tiles;
296
297	int  (*init)(struct drm_device *dev);
298	void (*takedown)(struct drm_device *dev);
299
300	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
301				 uint32_t size, uint32_t pitch);
302};
303
304struct nouveau_fifo_engine {
305	void *priv;
306
307	int  channels;
308
309	int  (*init)(struct drm_device *);
310	void (*takedown)(struct drm_device *);
311
312	void (*disable)(struct drm_device *);
313	void (*enable)(struct drm_device *);
314	bool (*reassign)(struct drm_device *, bool enable);
315	bool (*cache_flush)(struct drm_device *dev);
316	bool (*cache_pull)(struct drm_device *dev, bool enable);
317
318	int  (*channel_id)(struct drm_device *);
319
320	int  (*create_context)(struct nouveau_channel *);
321	void (*destroy_context)(struct nouveau_channel *);
322	int  (*load_context)(struct nouveau_channel *);
323	int  (*unload_context)(struct drm_device *);
324};
325
326struct nouveau_pgraph_object_method {
327	int id;
328	int (*exec)(struct nouveau_channel *chan, int grclass, int mthd,
329		      uint32_t data);
330};
331
332struct nouveau_pgraph_object_class {
333	int id;
334	bool software;
335	struct nouveau_pgraph_object_method *methods;
336};
337
338struct nouveau_pgraph_engine {
339	struct nouveau_pgraph_object_class *grclass;
340	bool accel_blocked;
341	void *ctxprog;
342	void *ctxvals;
343	int grctx_size;
344
345	int  (*init)(struct drm_device *);
346	void (*takedown)(struct drm_device *);
347
348	void (*fifo_access)(struct drm_device *, bool);
349
350	struct nouveau_channel *(*channel)(struct drm_device *);
351	int  (*create_context)(struct nouveau_channel *);
352	void (*destroy_context)(struct nouveau_channel *);
353	int  (*load_context)(struct nouveau_channel *);
354	int  (*unload_context)(struct drm_device *);
355
356	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
357				  uint32_t size, uint32_t pitch);
358};
359
360struct nouveau_engine {
361	struct nouveau_instmem_engine instmem;
362	struct nouveau_mc_engine      mc;
363	struct nouveau_timer_engine   timer;
364	struct nouveau_fb_engine      fb;
365	struct nouveau_pgraph_engine  graph;
366	struct nouveau_fifo_engine    fifo;
367};
368
369struct nouveau_pll_vals {
370	union {
371		struct {
372#ifdef __BIG_ENDIAN
373			uint8_t N1, M1, N2, M2;
374#else
375			uint8_t M1, N1, M2, N2;
376#endif
377		};
378		struct {
379			uint16_t NM1, NM2;
380		} __attribute__((packed));
381	};
382	int log2P;
383
384	int refclk;
385};
386
387enum nv04_fp_display_regs {
388	FP_DISPLAY_END,
389	FP_TOTAL,
390	FP_CRTC,
391	FP_SYNC_START,
392	FP_SYNC_END,
393	FP_VALID_START,
394	FP_VALID_END
395};
396
397struct nv04_crtc_reg {
398	unsigned char MiscOutReg;     /* */
399	uint8_t CRTC[0x9f];
400	uint8_t CR58[0x10];
401	uint8_t Sequencer[5];
402	uint8_t Graphics[9];
403	uint8_t Attribute[21];
404	unsigned char DAC[768];       /* Internal Colorlookuptable */
405
406	/* PCRTC regs */
407	uint32_t fb_start;
408	uint32_t crtc_cfg;
409	uint32_t cursor_cfg;
410	uint32_t gpio_ext;
411	uint32_t crtc_830;
412	uint32_t crtc_834;
413	uint32_t crtc_850;
414	uint32_t crtc_eng_ctrl;
415
416	/* PRAMDAC regs */
417	uint32_t nv10_cursync;
418	struct nouveau_pll_vals pllvals;
419	uint32_t ramdac_gen_ctrl;
420	uint32_t ramdac_630;
421	uint32_t ramdac_634;
422	uint32_t tv_setup;
423	uint32_t tv_vtotal;
424	uint32_t tv_vskew;
425	uint32_t tv_vsync_delay;
426	uint32_t tv_htotal;
427	uint32_t tv_hskew;
428	uint32_t tv_hsync_delay;
429	uint32_t tv_hsync_delay2;
430	uint32_t fp_horiz_regs[7];
431	uint32_t fp_vert_regs[7];
432	uint32_t dither;
433	uint32_t fp_control;
434	uint32_t dither_regs[6];
435	uint32_t fp_debug_0;
436	uint32_t fp_debug_1;
437	uint32_t fp_debug_2;
438	uint32_t fp_margin_color;
439	uint32_t ramdac_8c0;
440	uint32_t ramdac_a20;
441	uint32_t ramdac_a24;
442	uint32_t ramdac_a34;
443	uint32_t ctv_regs[38];
444};
445
446struct nv04_output_reg {
447	uint32_t output;
448	int head;
449};
450
451struct nv04_mode_state {
452	uint32_t bpp;
453	uint32_t width;
454	uint32_t height;
455	uint32_t interlace;
456	uint32_t repaint0;
457	uint32_t repaint1;
458	uint32_t screen;
459	uint32_t scale;
460	uint32_t dither;
461	uint32_t extra;
462	uint32_t fifo;
463	uint32_t pixel;
464	uint32_t horiz;
465	int arbitration0;
466	int arbitration1;
467	uint32_t pll;
468	uint32_t pllB;
469	uint32_t vpll;
470	uint32_t vpll2;
471	uint32_t vpllB;
472	uint32_t vpll2B;
473	uint32_t pllsel;
474	uint32_t sel_clk;
475	uint32_t general;
476	uint32_t crtcOwner;
477	uint32_t head;
478	uint32_t head2;
479	uint32_t cursorConfig;
480	uint32_t cursor0;
481	uint32_t cursor1;
482	uint32_t cursor2;
483	uint32_t timingH;
484	uint32_t timingV;
485	uint32_t displayV;
486	uint32_t crtcSync;
487
488	struct nv04_crtc_reg crtc_reg[2];
489};
490
491enum nouveau_card_type {
492	NV_04      = 0x00,
493	NV_10      = 0x10,
494	NV_20      = 0x20,
495	NV_30      = 0x30,
496	NV_40      = 0x40,
497	NV_50      = 0x50,
498};
499
500struct drm_nouveau_private {
501	struct drm_device *dev;
502	enum {
503		NOUVEAU_CARD_INIT_DOWN,
504		NOUVEAU_CARD_INIT_DONE,
505		NOUVEAU_CARD_INIT_FAILED
506	} init_state;
507
508	/* the card type, takes NV_* as values */
509	enum nouveau_card_type card_type;
510	/* exact chipset, derived from NV_PMC_BOOT_0 */
511	int chipset;
512	int flags;
513
514	void __iomem *mmio;
515	void __iomem *ramin;
516	uint32_t ramin_size;
517
518	struct nouveau_bo *vga_ram;
519
520	struct workqueue_struct *wq;
521	struct work_struct irq_work;
522
523	struct list_head vbl_waiting;
524
525	struct {
526		struct ttm_global_reference mem_global_ref;
527		struct ttm_bo_global_ref bo_global_ref;
528		struct ttm_bo_device bdev;
529		spinlock_t bo_list_lock;
530		struct list_head bo_list;
531		atomic_t validate_sequence;
532	} ttm;
533
534	struct fb_info *fbdev_info;
535
536	int fifo_alloc_count;
537	struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR];
538
539	struct nouveau_engine engine;
540	struct nouveau_channel *channel;
541
542	/* For PFIFO and PGRAPH. */
543	spinlock_t context_switch_lock;
544
545	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
546	struct nouveau_gpuobj *ramht;
547	uint32_t ramin_rsvd_vram;
548	uint32_t ramht_offset;
549	uint32_t ramht_size;
550	uint32_t ramht_bits;
551	uint32_t ramfc_offset;
552	uint32_t ramfc_size;
553	uint32_t ramro_offset;
554	uint32_t ramro_size;
555
556	/* base physical adresses */
557	uint64_t fb_phys;
558	uint64_t fb_available_size;
559	uint64_t fb_mappable_pages;
560	uint64_t fb_aper_free;
561
562	struct {
563		enum {
564			NOUVEAU_GART_NONE = 0,
565			NOUVEAU_GART_AGP,
566			NOUVEAU_GART_SGDMA
567		} type;
568		uint64_t aper_base;
569		uint64_t aper_size;
570		uint64_t aper_free;
571
572		struct nouveau_gpuobj *sg_ctxdma;
573		struct page *sg_dummy_page;
574		dma_addr_t sg_dummy_bus;
575
576		/* nottm hack */
577		struct drm_ttm_backend *sg_be;
578		unsigned long sg_handle;
579	} gart_info;
580
581	/* nv10-nv40 tiling regions */
582	struct {
583		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
584		spinlock_t lock;
585	} tile;
586
587	/* G8x/G9x virtual address space */
588	uint64_t vm_gart_base;
589	uint64_t vm_gart_size;
590	uint64_t vm_vram_base;
591	uint64_t vm_vram_size;
592	uint64_t vm_end;
593	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
594	int vm_vram_pt_nr;
595	uint64_t vram_sys_base;
596
597	/* the mtrr covering the FB */
598	int fb_mtrr;
599
600	struct mem_block *ramin_heap;
601
602	/* context table pointed to be NV_PGRAPH_CHANNEL_CTX_TABLE (0x400780) */
603	uint32_t ctx_table_size;
604	struct nouveau_gpuobj_ref *ctx_table;
605
606	struct list_head gpuobj_list;
607
608	struct nvbios vbios;
609
610	struct nv04_mode_state mode_reg;
611	struct nv04_mode_state saved_reg;
612	uint32_t saved_vga_font[4][16384];
613	uint32_t crtc_owner;
614	uint32_t dac_users[4];
615
616	struct nouveau_suspend_resume {
617		uint32_t fifo_mode;
618		uint32_t graph_ctx_control;
619		uint32_t graph_state;
620		uint32_t *ramin_copy;
621		uint64_t ramin_size;
622	} susres;
623
624	struct backlight_device *backlight;
625	bool acpi_dsm;
626
627	struct nouveau_channel *evo;
628
629	struct {
630		struct dentry *channel_root;
631	} debugfs;
632};
633
634static inline struct drm_nouveau_private *
635nouveau_bdev(struct ttm_bo_device *bd)
636{
637	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
638}
639
640static inline int
641nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
642{
643	struct nouveau_bo *prev;
644
645	if (!pnvbo)
646		return -EINVAL;
647	prev = *pnvbo;
648
649	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
650	if (prev) {
651		struct ttm_buffer_object *bo = &prev->bo;
652
653		ttm_bo_unref(&bo);
654	}
655
656	return 0;
657}
658
659#define NOUVEAU_CHECK_INITIALISED_WITH_RETURN do {            \
660	struct drm_nouveau_private *nv = dev->dev_private;    \
661	if (nv->init_state != NOUVEAU_CARD_INIT_DONE) {       \
662		NV_ERROR(dev, "called without init\n");       \
663		return -EINVAL;                               \
664	}                                                     \
665} while (0)
666
667#define NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(id, cl, ch) do {    \
668	struct drm_nouveau_private *nv = dev->dev_private;       \
669	if (!nouveau_channel_owner(dev, (cl), (id))) {           \
670		NV_ERROR(dev, "pid %d doesn't own channel %d\n", \
671			 DRM_CURRENTPID, (id));                  \
672		return -EPERM;                                   \
673	}                                                        \
674	(ch) = nv->fifos[(id)];                                  \
675} while (0)
676
677/* nouveau_drv.c */
678extern int nouveau_noagp;
679extern int nouveau_duallink;
680extern int nouveau_uscript_lvds;
681extern int nouveau_uscript_tmds;
682extern int nouveau_vram_pushbuf;
683extern int nouveau_vram_notify;
684extern int nouveau_fbpercrtc;
685extern char *nouveau_tv_norm;
686extern int nouveau_reg_debug;
687extern char *nouveau_vbios;
688extern int nouveau_ctxfw;
689extern int nouveau_ignorelid;
690extern int nouveau_nofbaccel;
691extern int nouveau_noaccel;
692
693/* nouveau_state.c */
694extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
695extern int  nouveau_load(struct drm_device *, unsigned long flags);
696extern int  nouveau_firstopen(struct drm_device *);
697extern void nouveau_lastclose(struct drm_device *);
698extern int  nouveau_unload(struct drm_device *);
699extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
700				   struct drm_file *);
701extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
702				   struct drm_file *);
703extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
704			       uint32_t reg, uint32_t mask, uint32_t val);
705extern bool nouveau_wait_for_idle(struct drm_device *);
706extern int  nouveau_card_init(struct drm_device *);
707
708/* nouveau_mem.c */
709extern int  nouveau_mem_init_heap(struct mem_block **, uint64_t start,
710				 uint64_t size);
711extern struct mem_block *nouveau_mem_alloc_block(struct mem_block *,
712						 uint64_t size, int align2,
713						 struct drm_file *, int tail);
714extern void nouveau_mem_takedown(struct mem_block **heap);
715extern void nouveau_mem_free_block(struct mem_block *);
716extern uint64_t nouveau_mem_fb_amount(struct drm_device *);
717extern void nouveau_mem_release(struct drm_file *, struct mem_block *heap);
718extern int  nouveau_mem_init(struct drm_device *);
719extern int  nouveau_mem_init_agp(struct drm_device *);
720extern void nouveau_mem_close(struct drm_device *);
721extern struct nouveau_tile_reg *nv10_mem_set_tiling(struct drm_device *dev,
722						    uint32_t addr,
723						    uint32_t size,
724						    uint32_t pitch);
725extern void nv10_mem_expire_tiling(struct drm_device *dev,
726				   struct nouveau_tile_reg *tile,
727				   struct nouveau_fence *fence);
728extern int  nv50_mem_vm_bind_linear(struct drm_device *, uint64_t virt,
729				    uint32_t size, uint32_t flags,
730				    uint64_t phys);
731extern void nv50_mem_vm_unbind(struct drm_device *, uint64_t virt,
732			       uint32_t size);
733
734/* nouveau_notifier.c */
735extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
736extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
737extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
738				   int cout, uint32_t *offset);
739extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
740extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
741					 struct drm_file *);
742extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
743					struct drm_file *);
744
745/* nouveau_channel.c */
746extern struct drm_ioctl_desc nouveau_ioctls[];
747extern int nouveau_max_ioctl;
748extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
749extern int  nouveau_channel_owner(struct drm_device *, struct drm_file *,
750				  int channel);
751extern int  nouveau_channel_alloc(struct drm_device *dev,
752				  struct nouveau_channel **chan,
753				  struct drm_file *file_priv,
754				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
755extern void nouveau_channel_free(struct nouveau_channel *);
756
757/* nouveau_object.c */
758extern int  nouveau_gpuobj_early_init(struct drm_device *);
759extern int  nouveau_gpuobj_init(struct drm_device *);
760extern void nouveau_gpuobj_takedown(struct drm_device *);
761extern void nouveau_gpuobj_late_takedown(struct drm_device *);
762extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
763extern void nouveau_gpuobj_suspend_cleanup(struct drm_device *dev);
764extern void nouveau_gpuobj_resume(struct drm_device *dev);
765extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
766				       uint32_t vram_h, uint32_t tt_h);
767extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
768extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
769			      uint32_t size, int align, uint32_t flags,
770			      struct nouveau_gpuobj **);
771extern int nouveau_gpuobj_del(struct drm_device *, struct nouveau_gpuobj **);
772extern int nouveau_gpuobj_ref_add(struct drm_device *, struct nouveau_channel *,
773				  uint32_t handle, struct nouveau_gpuobj *,
774				  struct nouveau_gpuobj_ref **);
775extern int nouveau_gpuobj_ref_del(struct drm_device *,
776				  struct nouveau_gpuobj_ref **);
777extern int nouveau_gpuobj_ref_find(struct nouveau_channel *, uint32_t handle,
778				   struct nouveau_gpuobj_ref **ref_ret);
779extern int nouveau_gpuobj_new_ref(struct drm_device *,
780				  struct nouveau_channel *alloc_chan,
781				  struct nouveau_channel *ref_chan,
782				  uint32_t handle, uint32_t size, int align,
783				  uint32_t flags, struct nouveau_gpuobj_ref **);
784extern int nouveau_gpuobj_new_fake(struct drm_device *,
785				   uint32_t p_offset, uint32_t b_offset,
786				   uint32_t size, uint32_t flags,
787				   struct nouveau_gpuobj **,
788				   struct nouveau_gpuobj_ref**);
789extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
790				  uint64_t offset, uint64_t size, int access,
791				  int target, struct nouveau_gpuobj **);
792extern int nouveau_gpuobj_gart_dma_new(struct nouveau_channel *,
793				       uint64_t offset, uint64_t size,
794				       int access, struct nouveau_gpuobj **,
795				       uint32_t *o_ret);
796extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, int class,
797				 struct nouveau_gpuobj **);
798extern int nouveau_gpuobj_sw_new(struct nouveau_channel *, int class,
799				 struct nouveau_gpuobj **);
800extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
801				     struct drm_file *);
802extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
803				     struct drm_file *);
804
805/* nouveau_irq.c */
806extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
807extern void        nouveau_irq_preinstall(struct drm_device *);
808extern int         nouveau_irq_postinstall(struct drm_device *);
809extern void        nouveau_irq_uninstall(struct drm_device *);
810
811/* nouveau_sgdma.c */
812extern int nouveau_sgdma_init(struct drm_device *);
813extern void nouveau_sgdma_takedown(struct drm_device *);
814extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
815				  uint32_t *page);
816extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
817
818/* nouveau_debugfs.c */
819#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
820extern int  nouveau_debugfs_init(struct drm_minor *);
821extern void nouveau_debugfs_takedown(struct drm_minor *);
822extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
823extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
824#else
825static inline int
826nouveau_debugfs_init(struct drm_minor *minor)
827{
828	return 0;
829}
830
831static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
832{
833}
834
835static inline int
836nouveau_debugfs_channel_init(struct nouveau_channel *chan)
837{
838	return 0;
839}
840
841static inline void
842nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
843{
844}
845#endif
846
847/* nouveau_dma.c */
848extern void nouveau_dma_pre_init(struct nouveau_channel *);
849extern int  nouveau_dma_init(struct nouveau_channel *);
850extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
851
852/* nouveau_acpi.c */
853#ifdef CONFIG_ACPI
854extern int nouveau_hybrid_setup(struct drm_device *dev);
855extern bool nouveau_dsm_probe(struct drm_device *dev);
856#else
857static inline int nouveau_hybrid_setup(struct drm_device *dev)
858{
859	return 0;
860}
861static inline bool nouveau_dsm_probe(struct drm_device *dev)
862{
863	return false;
864}
865#endif
866
867/* nouveau_backlight.c */
868#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
869extern int nouveau_backlight_init(struct drm_device *);
870extern void nouveau_backlight_exit(struct drm_device *);
871#else
872static inline int nouveau_backlight_init(struct drm_device *dev)
873{
874	return 0;
875}
876
877static inline void nouveau_backlight_exit(struct drm_device *dev) { }
878#endif
879
880/* nouveau_bios.c */
881extern int nouveau_bios_init(struct drm_device *);
882extern void nouveau_bios_takedown(struct drm_device *dev);
883extern int nouveau_run_vbios_init(struct drm_device *);
884extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
885					struct dcb_entry *);
886extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
887						      enum dcb_gpio_tag);
888extern struct dcb_connector_table_entry *
889nouveau_bios_connector_entry(struct drm_device *, int index);
890extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
891			  struct pll_lims *);
892extern int nouveau_bios_run_display_table(struct drm_device *,
893					  struct dcb_entry *,
894					  uint32_t script, int pxclk);
895extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
896				   int *length);
897extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
898extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
899extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
900					 bool *dl, bool *if_is_24bit);
901extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
902			  int head, int pxclk);
903extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
904			    enum LVDS_script, int pxclk);
905
906/* nouveau_ttm.c */
907int nouveau_ttm_global_init(struct drm_nouveau_private *);
908void nouveau_ttm_global_release(struct drm_nouveau_private *);
909int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
910
911/* nouveau_dp.c */
912int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
913		     uint8_t *data, int data_nr);
914bool nouveau_dp_detect(struct drm_encoder *);
915bool nouveau_dp_link_train(struct drm_encoder *);
916
917/* nv04_fb.c */
918extern int  nv04_fb_init(struct drm_device *);
919extern void nv04_fb_takedown(struct drm_device *);
920
921/* nv10_fb.c */
922extern int  nv10_fb_init(struct drm_device *);
923extern void nv10_fb_takedown(struct drm_device *);
924extern void nv10_fb_set_region_tiling(struct drm_device *, int, uint32_t,
925				      uint32_t, uint32_t);
926
927/* nv40_fb.c */
928extern int  nv40_fb_init(struct drm_device *);
929extern void nv40_fb_takedown(struct drm_device *);
930extern void nv40_fb_set_region_tiling(struct drm_device *, int, uint32_t,
931				      uint32_t, uint32_t);
932
933/* nv04_fifo.c */
934extern int  nv04_fifo_init(struct drm_device *);
935extern void nv04_fifo_disable(struct drm_device *);
936extern void nv04_fifo_enable(struct drm_device *);
937extern bool nv04_fifo_reassign(struct drm_device *, bool);
938extern bool nv04_fifo_cache_flush(struct drm_device *);
939extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
940extern int  nv04_fifo_channel_id(struct drm_device *);
941extern int  nv04_fifo_create_context(struct nouveau_channel *);
942extern void nv04_fifo_destroy_context(struct nouveau_channel *);
943extern int  nv04_fifo_load_context(struct nouveau_channel *);
944extern int  nv04_fifo_unload_context(struct drm_device *);
945
946/* nv10_fifo.c */
947extern int  nv10_fifo_init(struct drm_device *);
948extern int  nv10_fifo_channel_id(struct drm_device *);
949extern int  nv10_fifo_create_context(struct nouveau_channel *);
950extern void nv10_fifo_destroy_context(struct nouveau_channel *);
951extern int  nv10_fifo_load_context(struct nouveau_channel *);
952extern int  nv10_fifo_unload_context(struct drm_device *);
953
954/* nv40_fifo.c */
955extern int  nv40_fifo_init(struct drm_device *);
956extern int  nv40_fifo_create_context(struct nouveau_channel *);
957extern void nv40_fifo_destroy_context(struct nouveau_channel *);
958extern int  nv40_fifo_load_context(struct nouveau_channel *);
959extern int  nv40_fifo_unload_context(struct drm_device *);
960
961/* nv50_fifo.c */
962extern int  nv50_fifo_init(struct drm_device *);
963extern void nv50_fifo_takedown(struct drm_device *);
964extern int  nv50_fifo_channel_id(struct drm_device *);
965extern int  nv50_fifo_create_context(struct nouveau_channel *);
966extern void nv50_fifo_destroy_context(struct nouveau_channel *);
967extern int  nv50_fifo_load_context(struct nouveau_channel *);
968extern int  nv50_fifo_unload_context(struct drm_device *);
969
970/* nv04_graph.c */
971extern struct nouveau_pgraph_object_class nv04_graph_grclass[];
972extern int  nv04_graph_init(struct drm_device *);
973extern void nv04_graph_takedown(struct drm_device *);
974extern void nv04_graph_fifo_access(struct drm_device *, bool);
975extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
976extern int  nv04_graph_create_context(struct nouveau_channel *);
977extern void nv04_graph_destroy_context(struct nouveau_channel *);
978extern int  nv04_graph_load_context(struct nouveau_channel *);
979extern int  nv04_graph_unload_context(struct drm_device *);
980extern void nv04_graph_context_switch(struct drm_device *);
981
982/* nv10_graph.c */
983extern struct nouveau_pgraph_object_class nv10_graph_grclass[];
984extern int  nv10_graph_init(struct drm_device *);
985extern void nv10_graph_takedown(struct drm_device *);
986extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
987extern int  nv10_graph_create_context(struct nouveau_channel *);
988extern void nv10_graph_destroy_context(struct nouveau_channel *);
989extern int  nv10_graph_load_context(struct nouveau_channel *);
990extern int  nv10_graph_unload_context(struct drm_device *);
991extern void nv10_graph_context_switch(struct drm_device *);
992extern void nv10_graph_set_region_tiling(struct drm_device *, int, uint32_t,
993					 uint32_t, uint32_t);
994
995/* nv20_graph.c */
996extern struct nouveau_pgraph_object_class nv20_graph_grclass[];
997extern struct nouveau_pgraph_object_class nv30_graph_grclass[];
998extern int  nv20_graph_create_context(struct nouveau_channel *);
999extern void nv20_graph_destroy_context(struct nouveau_channel *);
1000extern int  nv20_graph_load_context(struct nouveau_channel *);
1001extern int  nv20_graph_unload_context(struct drm_device *);
1002extern int  nv20_graph_init(struct drm_device *);
1003extern void nv20_graph_takedown(struct drm_device *);
1004extern int  nv30_graph_init(struct drm_device *);
1005extern void nv20_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1006					 uint32_t, uint32_t);
1007
1008/* nv40_graph.c */
1009extern struct nouveau_pgraph_object_class nv40_graph_grclass[];
1010extern int  nv40_graph_init(struct drm_device *);
1011extern void nv40_graph_takedown(struct drm_device *);
1012extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1013extern int  nv40_graph_create_context(struct nouveau_channel *);
1014extern void nv40_graph_destroy_context(struct nouveau_channel *);
1015extern int  nv40_graph_load_context(struct nouveau_channel *);
1016extern int  nv40_graph_unload_context(struct drm_device *);
1017extern void nv40_grctx_init(struct nouveau_grctx *);
1018extern void nv40_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1019					 uint32_t, uint32_t);
1020
1021/* nv50_graph.c */
1022extern struct nouveau_pgraph_object_class nv50_graph_grclass[];
1023extern int  nv50_graph_init(struct drm_device *);
1024extern void nv50_graph_takedown(struct drm_device *);
1025extern void nv50_graph_fifo_access(struct drm_device *, bool);
1026extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1027extern int  nv50_graph_create_context(struct nouveau_channel *);
1028extern void nv50_graph_destroy_context(struct nouveau_channel *);
1029extern int  nv50_graph_load_context(struct nouveau_channel *);
1030extern int  nv50_graph_unload_context(struct drm_device *);
1031extern void nv50_graph_context_switch(struct drm_device *);
1032
1033/* nouveau_grctx.c */
1034extern int  nouveau_grctx_prog_load(struct drm_device *);
1035extern void nouveau_grctx_vals_load(struct drm_device *,
1036				    struct nouveau_gpuobj *);
1037extern void nouveau_grctx_fini(struct drm_device *);
1038
1039/* nv04_instmem.c */
1040extern int  nv04_instmem_init(struct drm_device *);
1041extern void nv04_instmem_takedown(struct drm_device *);
1042extern int  nv04_instmem_suspend(struct drm_device *);
1043extern void nv04_instmem_resume(struct drm_device *);
1044extern int  nv04_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1045				  uint32_t *size);
1046extern void nv04_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1047extern int  nv04_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1048extern int  nv04_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1049extern void nv04_instmem_prepare_access(struct drm_device *, bool write);
1050extern void nv04_instmem_finish_access(struct drm_device *);
1051
1052/* nv50_instmem.c */
1053extern int  nv50_instmem_init(struct drm_device *);
1054extern void nv50_instmem_takedown(struct drm_device *);
1055extern int  nv50_instmem_suspend(struct drm_device *);
1056extern void nv50_instmem_resume(struct drm_device *);
1057extern int  nv50_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1058				  uint32_t *size);
1059extern void nv50_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1060extern int  nv50_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1061extern int  nv50_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1062extern void nv50_instmem_prepare_access(struct drm_device *, bool write);
1063extern void nv50_instmem_finish_access(struct drm_device *);
1064
1065/* nv04_mc.c */
1066extern int  nv04_mc_init(struct drm_device *);
1067extern void nv04_mc_takedown(struct drm_device *);
1068
1069/* nv40_mc.c */
1070extern int  nv40_mc_init(struct drm_device *);
1071extern void nv40_mc_takedown(struct drm_device *);
1072
1073/* nv50_mc.c */
1074extern int  nv50_mc_init(struct drm_device *);
1075extern void nv50_mc_takedown(struct drm_device *);
1076
1077/* nv04_timer.c */
1078extern int  nv04_timer_init(struct drm_device *);
1079extern uint64_t nv04_timer_read(struct drm_device *);
1080extern void nv04_timer_takedown(struct drm_device *);
1081
1082extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1083				 unsigned long arg);
1084
1085/* nv04_dac.c */
1086extern int nv04_dac_create(struct drm_device *dev, struct dcb_entry *entry);
1087extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1088extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1089extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1090
1091/* nv04_dfp.c */
1092extern int nv04_dfp_create(struct drm_device *dev, struct dcb_entry *entry);
1093extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1094extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1095			       int head, bool dl);
1096extern void nv04_dfp_disable(struct drm_device *dev, int head);
1097extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1098
1099/* nv04_tv.c */
1100extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1101extern int nv04_tv_create(struct drm_device *dev, struct dcb_entry *entry);
1102
1103/* nv17_tv.c */
1104extern int nv17_tv_create(struct drm_device *dev, struct dcb_entry *entry);
1105
1106/* nv04_display.c */
1107extern int nv04_display_create(struct drm_device *);
1108extern void nv04_display_destroy(struct drm_device *);
1109extern void nv04_display_restore(struct drm_device *);
1110
1111/* nv04_crtc.c */
1112extern int nv04_crtc_create(struct drm_device *, int index);
1113
1114/* nouveau_bo.c */
1115extern struct ttm_bo_driver nouveau_bo_driver;
1116extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1117			  int size, int align, uint32_t flags,
1118			  uint32_t tile_mode, uint32_t tile_flags,
1119			  bool no_vm, bool mappable, struct nouveau_bo **);
1120extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1121extern int nouveau_bo_unpin(struct nouveau_bo *);
1122extern int nouveau_bo_map(struct nouveau_bo *);
1123extern void nouveau_bo_unmap(struct nouveau_bo *);
1124extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t memtype);
1125extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1126extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1127extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1128extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1129
1130/* nouveau_fence.c */
1131struct nouveau_fence;
1132extern int nouveau_fence_init(struct nouveau_channel *);
1133extern void nouveau_fence_fini(struct nouveau_channel *);
1134extern void nouveau_fence_update(struct nouveau_channel *);
1135extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1136			     bool emit);
1137extern int nouveau_fence_emit(struct nouveau_fence *);
1138struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1139extern bool nouveau_fence_signalled(void *obj, void *arg);
1140extern int nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1141extern int nouveau_fence_flush(void *obj, void *arg);
1142extern void nouveau_fence_unref(void **obj);
1143extern void *nouveau_fence_ref(void *obj);
1144extern void nouveau_fence_handler(struct drm_device *dev, int channel);
1145
1146/* nouveau_gem.c */
1147extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1148			   int size, int align, uint32_t flags,
1149			   uint32_t tile_mode, uint32_t tile_flags,
1150			   bool no_vm, bool mappable, struct nouveau_bo **);
1151extern int nouveau_gem_object_new(struct drm_gem_object *);
1152extern void nouveau_gem_object_del(struct drm_gem_object *);
1153extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1154				 struct drm_file *);
1155extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1156				     struct drm_file *);
1157extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1158				      struct drm_file *);
1159extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1160				      struct drm_file *);
1161extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1162				  struct drm_file *);
1163
1164/* nv17_gpio.c */
1165int nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1166int nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1167
1168#ifndef ioread32_native
1169#ifdef __BIG_ENDIAN
1170#define ioread16_native ioread16be
1171#define iowrite16_native iowrite16be
1172#define ioread32_native  ioread32be
1173#define iowrite32_native iowrite32be
1174#else /* def __BIG_ENDIAN */
1175#define ioread16_native ioread16
1176#define iowrite16_native iowrite16
1177#define ioread32_native  ioread32
1178#define iowrite32_native iowrite32
1179#endif /* def __BIG_ENDIAN else */
1180#endif /* !ioread32_native */
1181
1182/* channel control reg access */
1183static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1184{
1185	return ioread32_native(chan->user + reg);
1186}
1187
1188static inline void nvchan_wr32(struct nouveau_channel *chan,
1189							unsigned reg, u32 val)
1190{
1191	iowrite32_native(val, chan->user + reg);
1192}
1193
1194/* register access */
1195static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1196{
1197	struct drm_nouveau_private *dev_priv = dev->dev_private;
1198	return ioread32_native(dev_priv->mmio + reg);
1199}
1200
1201static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1202{
1203	struct drm_nouveau_private *dev_priv = dev->dev_private;
1204	iowrite32_native(val, dev_priv->mmio + reg);
1205}
1206
1207static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1208{
1209	struct drm_nouveau_private *dev_priv = dev->dev_private;
1210	return ioread8(dev_priv->mmio + reg);
1211}
1212
1213static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1214{
1215	struct drm_nouveau_private *dev_priv = dev->dev_private;
1216	iowrite8(val, dev_priv->mmio + reg);
1217}
1218
1219#define nv_wait(reg, mask, val) \
1220	nouveau_wait_until(dev, 2000000000ULL, (reg), (mask), (val))
1221
1222/* PRAMIN access */
1223static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1224{
1225	struct drm_nouveau_private *dev_priv = dev->dev_private;
1226	return ioread32_native(dev_priv->ramin + offset);
1227}
1228
1229static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1230{
1231	struct drm_nouveau_private *dev_priv = dev->dev_private;
1232	iowrite32_native(val, dev_priv->ramin + offset);
1233}
1234
1235/* object access */
1236static inline u32 nv_ro32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1237				unsigned index)
1238{
1239	return nv_ri32(dev, obj->im_pramin->start + index * 4);
1240}
1241
1242static inline void nv_wo32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1243				unsigned index, u32 val)
1244{
1245	nv_wi32(dev, obj->im_pramin->start + index * 4, val);
1246}
1247
1248/*
1249 * Logging
1250 * Argument d is (struct drm_device *).
1251 */
1252#define NV_PRINTK(level, d, fmt, arg...) \
1253	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1254					pci_name(d->pdev), ##arg)
1255#ifndef NV_DEBUG_NOTRACE
1256#define NV_DEBUG(d, fmt, arg...) do {                                          \
1257	if (drm_debug & DRM_UT_DRIVER) {                                       \
1258		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1259			  __LINE__, ##arg);                                    \
1260	}                                                                      \
1261} while (0)
1262#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1263	if (drm_debug & DRM_UT_KMS) {                                          \
1264		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1265			  __LINE__, ##arg);                                    \
1266	}                                                                      \
1267} while (0)
1268#else
1269#define NV_DEBUG(d, fmt, arg...) do {                                          \
1270	if (drm_debug & DRM_UT_DRIVER)                                         \
1271		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1272} while (0)
1273#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1274	if (drm_debug & DRM_UT_KMS)                                            \
1275		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1276} while (0)
1277#endif
1278#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1279#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1280#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1281#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1282#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1283
1284/* nouveau_reg_debug bitmask */
1285enum {
1286	NOUVEAU_REG_DEBUG_MC             = 0x1,
1287	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1288	NOUVEAU_REG_DEBUG_FB             = 0x4,
1289	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1290	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1291	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1292	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1293	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1294	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1295	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1296};
1297
1298#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1299	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1300		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1301} while (0)
1302
1303static inline bool
1304nv_two_heads(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 (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1310	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1311		return true;
1312
1313	return false;
1314}
1315
1316static inline bool
1317nv_gf4_disp_arch(struct drm_device *dev)
1318{
1319	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1320}
1321
1322static inline bool
1323nv_two_reg_pll(struct drm_device *dev)
1324{
1325	struct drm_nouveau_private *dev_priv = dev->dev_private;
1326	const int impl = dev->pci_device & 0x0ff0;
1327
1328	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1329		return true;
1330	return false;
1331}
1332
1333#define NV_SW                                                        0x0000506e
1334#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1335#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1336#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1337#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1338#define NV_SW_DMA_VBLSEM                                             0x0000018c
1339#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1340#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1341#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1342
1343#endif /* __NOUVEAU_DRV_H__ */
1344