nouveau_drv.h revision da647d5bf3c0a4b7ad150803910cb1d737ac522e
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;
692extern int nouveau_override_conntype;
693
694/* nouveau_state.c */
695extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
696extern int  nouveau_load(struct drm_device *, unsigned long flags);
697extern int  nouveau_firstopen(struct drm_device *);
698extern void nouveau_lastclose(struct drm_device *);
699extern int  nouveau_unload(struct drm_device *);
700extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
701				   struct drm_file *);
702extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
703				   struct drm_file *);
704extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
705			       uint32_t reg, uint32_t mask, uint32_t val);
706extern bool nouveau_wait_for_idle(struct drm_device *);
707extern int  nouveau_card_init(struct drm_device *);
708
709/* nouveau_mem.c */
710extern int  nouveau_mem_init_heap(struct mem_block **, uint64_t start,
711				 uint64_t size);
712extern struct mem_block *nouveau_mem_alloc_block(struct mem_block *,
713						 uint64_t size, int align2,
714						 struct drm_file *, int tail);
715extern void nouveau_mem_takedown(struct mem_block **heap);
716extern void nouveau_mem_free_block(struct mem_block *);
717extern uint64_t nouveau_mem_fb_amount(struct drm_device *);
718extern void nouveau_mem_release(struct drm_file *, struct mem_block *heap);
719extern int  nouveau_mem_init(struct drm_device *);
720extern int  nouveau_mem_init_agp(struct drm_device *);
721extern void nouveau_mem_close(struct drm_device *);
722extern struct nouveau_tile_reg *nv10_mem_set_tiling(struct drm_device *dev,
723						    uint32_t addr,
724						    uint32_t size,
725						    uint32_t pitch);
726extern void nv10_mem_expire_tiling(struct drm_device *dev,
727				   struct nouveau_tile_reg *tile,
728				   struct nouveau_fence *fence);
729extern int  nv50_mem_vm_bind_linear(struct drm_device *, uint64_t virt,
730				    uint32_t size, uint32_t flags,
731				    uint64_t phys);
732extern void nv50_mem_vm_unbind(struct drm_device *, uint64_t virt,
733			       uint32_t size);
734
735/* nouveau_notifier.c */
736extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
737extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
738extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
739				   int cout, uint32_t *offset);
740extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
741extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
742					 struct drm_file *);
743extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
744					struct drm_file *);
745
746/* nouveau_channel.c */
747extern struct drm_ioctl_desc nouveau_ioctls[];
748extern int nouveau_max_ioctl;
749extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
750extern int  nouveau_channel_owner(struct drm_device *, struct drm_file *,
751				  int channel);
752extern int  nouveau_channel_alloc(struct drm_device *dev,
753				  struct nouveau_channel **chan,
754				  struct drm_file *file_priv,
755				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
756extern void nouveau_channel_free(struct nouveau_channel *);
757
758/* nouveau_object.c */
759extern int  nouveau_gpuobj_early_init(struct drm_device *);
760extern int  nouveau_gpuobj_init(struct drm_device *);
761extern void nouveau_gpuobj_takedown(struct drm_device *);
762extern void nouveau_gpuobj_late_takedown(struct drm_device *);
763extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
764extern void nouveau_gpuobj_suspend_cleanup(struct drm_device *dev);
765extern void nouveau_gpuobj_resume(struct drm_device *dev);
766extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
767				       uint32_t vram_h, uint32_t tt_h);
768extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
769extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
770			      uint32_t size, int align, uint32_t flags,
771			      struct nouveau_gpuobj **);
772extern int nouveau_gpuobj_del(struct drm_device *, struct nouveau_gpuobj **);
773extern int nouveau_gpuobj_ref_add(struct drm_device *, struct nouveau_channel *,
774				  uint32_t handle, struct nouveau_gpuobj *,
775				  struct nouveau_gpuobj_ref **);
776extern int nouveau_gpuobj_ref_del(struct drm_device *,
777				  struct nouveau_gpuobj_ref **);
778extern int nouveau_gpuobj_ref_find(struct nouveau_channel *, uint32_t handle,
779				   struct nouveau_gpuobj_ref **ref_ret);
780extern int nouveau_gpuobj_new_ref(struct drm_device *,
781				  struct nouveau_channel *alloc_chan,
782				  struct nouveau_channel *ref_chan,
783				  uint32_t handle, uint32_t size, int align,
784				  uint32_t flags, struct nouveau_gpuobj_ref **);
785extern int nouveau_gpuobj_new_fake(struct drm_device *,
786				   uint32_t p_offset, uint32_t b_offset,
787				   uint32_t size, uint32_t flags,
788				   struct nouveau_gpuobj **,
789				   struct nouveau_gpuobj_ref**);
790extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
791				  uint64_t offset, uint64_t size, int access,
792				  int target, struct nouveau_gpuobj **);
793extern int nouveau_gpuobj_gart_dma_new(struct nouveau_channel *,
794				       uint64_t offset, uint64_t size,
795				       int access, struct nouveau_gpuobj **,
796				       uint32_t *o_ret);
797extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, int class,
798				 struct nouveau_gpuobj **);
799extern int nouveau_gpuobj_sw_new(struct nouveau_channel *, int class,
800				 struct nouveau_gpuobj **);
801extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
802				     struct drm_file *);
803extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
804				     struct drm_file *);
805
806/* nouveau_irq.c */
807extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
808extern void        nouveau_irq_preinstall(struct drm_device *);
809extern int         nouveau_irq_postinstall(struct drm_device *);
810extern void        nouveau_irq_uninstall(struct drm_device *);
811
812/* nouveau_sgdma.c */
813extern int nouveau_sgdma_init(struct drm_device *);
814extern void nouveau_sgdma_takedown(struct drm_device *);
815extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
816				  uint32_t *page);
817extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
818
819/* nouveau_debugfs.c */
820#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
821extern int  nouveau_debugfs_init(struct drm_minor *);
822extern void nouveau_debugfs_takedown(struct drm_minor *);
823extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
824extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
825#else
826static inline int
827nouveau_debugfs_init(struct drm_minor *minor)
828{
829	return 0;
830}
831
832static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
833{
834}
835
836static inline int
837nouveau_debugfs_channel_init(struct nouveau_channel *chan)
838{
839	return 0;
840}
841
842static inline void
843nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
844{
845}
846#endif
847
848/* nouveau_dma.c */
849extern void nouveau_dma_pre_init(struct nouveau_channel *);
850extern int  nouveau_dma_init(struct nouveau_channel *);
851extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
852
853/* nouveau_acpi.c */
854#ifdef CONFIG_ACPI
855extern int nouveau_hybrid_setup(struct drm_device *dev);
856extern bool nouveau_dsm_probe(struct drm_device *dev);
857#else
858static inline int nouveau_hybrid_setup(struct drm_device *dev)
859{
860	return 0;
861}
862static inline bool nouveau_dsm_probe(struct drm_device *dev)
863{
864	return false;
865}
866#endif
867
868/* nouveau_backlight.c */
869#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
870extern int nouveau_backlight_init(struct drm_device *);
871extern void nouveau_backlight_exit(struct drm_device *);
872#else
873static inline int nouveau_backlight_init(struct drm_device *dev)
874{
875	return 0;
876}
877
878static inline void nouveau_backlight_exit(struct drm_device *dev) { }
879#endif
880
881/* nouveau_bios.c */
882extern int nouveau_bios_init(struct drm_device *);
883extern void nouveau_bios_takedown(struct drm_device *dev);
884extern int nouveau_run_vbios_init(struct drm_device *);
885extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
886					struct dcb_entry *);
887extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
888						      enum dcb_gpio_tag);
889extern struct dcb_connector_table_entry *
890nouveau_bios_connector_entry(struct drm_device *, int index);
891extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
892			  struct pll_lims *);
893extern int nouveau_bios_run_display_table(struct drm_device *,
894					  struct dcb_entry *,
895					  uint32_t script, int pxclk);
896extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
897				   int *length);
898extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
899extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
900extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
901					 bool *dl, bool *if_is_24bit);
902extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
903			  int head, int pxclk);
904extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
905			    enum LVDS_script, int pxclk);
906
907/* nouveau_ttm.c */
908int nouveau_ttm_global_init(struct drm_nouveau_private *);
909void nouveau_ttm_global_release(struct drm_nouveau_private *);
910int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
911
912/* nouveau_dp.c */
913int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
914		     uint8_t *data, int data_nr);
915bool nouveau_dp_detect(struct drm_encoder *);
916bool nouveau_dp_link_train(struct drm_encoder *);
917
918/* nv04_fb.c */
919extern int  nv04_fb_init(struct drm_device *);
920extern void nv04_fb_takedown(struct drm_device *);
921
922/* nv10_fb.c */
923extern int  nv10_fb_init(struct drm_device *);
924extern void nv10_fb_takedown(struct drm_device *);
925extern void nv10_fb_set_region_tiling(struct drm_device *, int, uint32_t,
926				      uint32_t, uint32_t);
927
928/* nv40_fb.c */
929extern int  nv40_fb_init(struct drm_device *);
930extern void nv40_fb_takedown(struct drm_device *);
931extern void nv40_fb_set_region_tiling(struct drm_device *, int, uint32_t,
932				      uint32_t, uint32_t);
933
934/* nv50_fb.c */
935extern int  nv50_fb_init(struct drm_device *);
936extern void nv50_fb_takedown(struct drm_device *);
937
938/* nv04_fifo.c */
939extern int  nv04_fifo_init(struct drm_device *);
940extern void nv04_fifo_disable(struct drm_device *);
941extern void nv04_fifo_enable(struct drm_device *);
942extern bool nv04_fifo_reassign(struct drm_device *, bool);
943extern bool nv04_fifo_cache_flush(struct drm_device *);
944extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
945extern int  nv04_fifo_channel_id(struct drm_device *);
946extern int  nv04_fifo_create_context(struct nouveau_channel *);
947extern void nv04_fifo_destroy_context(struct nouveau_channel *);
948extern int  nv04_fifo_load_context(struct nouveau_channel *);
949extern int  nv04_fifo_unload_context(struct drm_device *);
950
951/* nv10_fifo.c */
952extern int  nv10_fifo_init(struct drm_device *);
953extern int  nv10_fifo_channel_id(struct drm_device *);
954extern int  nv10_fifo_create_context(struct nouveau_channel *);
955extern void nv10_fifo_destroy_context(struct nouveau_channel *);
956extern int  nv10_fifo_load_context(struct nouveau_channel *);
957extern int  nv10_fifo_unload_context(struct drm_device *);
958
959/* nv40_fifo.c */
960extern int  nv40_fifo_init(struct drm_device *);
961extern int  nv40_fifo_create_context(struct nouveau_channel *);
962extern void nv40_fifo_destroy_context(struct nouveau_channel *);
963extern int  nv40_fifo_load_context(struct nouveau_channel *);
964extern int  nv40_fifo_unload_context(struct drm_device *);
965
966/* nv50_fifo.c */
967extern int  nv50_fifo_init(struct drm_device *);
968extern void nv50_fifo_takedown(struct drm_device *);
969extern int  nv50_fifo_channel_id(struct drm_device *);
970extern int  nv50_fifo_create_context(struct nouveau_channel *);
971extern void nv50_fifo_destroy_context(struct nouveau_channel *);
972extern int  nv50_fifo_load_context(struct nouveau_channel *);
973extern int  nv50_fifo_unload_context(struct drm_device *);
974
975/* nv04_graph.c */
976extern struct nouveau_pgraph_object_class nv04_graph_grclass[];
977extern int  nv04_graph_init(struct drm_device *);
978extern void nv04_graph_takedown(struct drm_device *);
979extern void nv04_graph_fifo_access(struct drm_device *, bool);
980extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
981extern int  nv04_graph_create_context(struct nouveau_channel *);
982extern void nv04_graph_destroy_context(struct nouveau_channel *);
983extern int  nv04_graph_load_context(struct nouveau_channel *);
984extern int  nv04_graph_unload_context(struct drm_device *);
985extern void nv04_graph_context_switch(struct drm_device *);
986
987/* nv10_graph.c */
988extern struct nouveau_pgraph_object_class nv10_graph_grclass[];
989extern int  nv10_graph_init(struct drm_device *);
990extern void nv10_graph_takedown(struct drm_device *);
991extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
992extern int  nv10_graph_create_context(struct nouveau_channel *);
993extern void nv10_graph_destroy_context(struct nouveau_channel *);
994extern int  nv10_graph_load_context(struct nouveau_channel *);
995extern int  nv10_graph_unload_context(struct drm_device *);
996extern void nv10_graph_context_switch(struct drm_device *);
997extern void nv10_graph_set_region_tiling(struct drm_device *, int, uint32_t,
998					 uint32_t, uint32_t);
999
1000/* nv20_graph.c */
1001extern struct nouveau_pgraph_object_class nv20_graph_grclass[];
1002extern struct nouveau_pgraph_object_class nv30_graph_grclass[];
1003extern int  nv20_graph_create_context(struct nouveau_channel *);
1004extern void nv20_graph_destroy_context(struct nouveau_channel *);
1005extern int  nv20_graph_load_context(struct nouveau_channel *);
1006extern int  nv20_graph_unload_context(struct drm_device *);
1007extern int  nv20_graph_init(struct drm_device *);
1008extern void nv20_graph_takedown(struct drm_device *);
1009extern int  nv30_graph_init(struct drm_device *);
1010extern void nv20_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1011					 uint32_t, uint32_t);
1012
1013/* nv40_graph.c */
1014extern struct nouveau_pgraph_object_class nv40_graph_grclass[];
1015extern int  nv40_graph_init(struct drm_device *);
1016extern void nv40_graph_takedown(struct drm_device *);
1017extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1018extern int  nv40_graph_create_context(struct nouveau_channel *);
1019extern void nv40_graph_destroy_context(struct nouveau_channel *);
1020extern int  nv40_graph_load_context(struct nouveau_channel *);
1021extern int  nv40_graph_unload_context(struct drm_device *);
1022extern void nv40_grctx_init(struct nouveau_grctx *);
1023extern void nv40_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1024					 uint32_t, uint32_t);
1025
1026/* nv50_graph.c */
1027extern struct nouveau_pgraph_object_class nv50_graph_grclass[];
1028extern int  nv50_graph_init(struct drm_device *);
1029extern void nv50_graph_takedown(struct drm_device *);
1030extern void nv50_graph_fifo_access(struct drm_device *, bool);
1031extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1032extern int  nv50_graph_create_context(struct nouveau_channel *);
1033extern void nv50_graph_destroy_context(struct nouveau_channel *);
1034extern int  nv50_graph_load_context(struct nouveau_channel *);
1035extern int  nv50_graph_unload_context(struct drm_device *);
1036extern void nv50_graph_context_switch(struct drm_device *);
1037extern int  nv50_grctx_init(struct nouveau_grctx *);
1038
1039/* nouveau_grctx.c */
1040extern int  nouveau_grctx_prog_load(struct drm_device *);
1041extern void nouveau_grctx_vals_load(struct drm_device *,
1042				    struct nouveau_gpuobj *);
1043extern void nouveau_grctx_fini(struct drm_device *);
1044
1045/* nv04_instmem.c */
1046extern int  nv04_instmem_init(struct drm_device *);
1047extern void nv04_instmem_takedown(struct drm_device *);
1048extern int  nv04_instmem_suspend(struct drm_device *);
1049extern void nv04_instmem_resume(struct drm_device *);
1050extern int  nv04_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1051				  uint32_t *size);
1052extern void nv04_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1053extern int  nv04_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1054extern int  nv04_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1055extern void nv04_instmem_prepare_access(struct drm_device *, bool write);
1056extern void nv04_instmem_finish_access(struct drm_device *);
1057
1058/* nv50_instmem.c */
1059extern int  nv50_instmem_init(struct drm_device *);
1060extern void nv50_instmem_takedown(struct drm_device *);
1061extern int  nv50_instmem_suspend(struct drm_device *);
1062extern void nv50_instmem_resume(struct drm_device *);
1063extern int  nv50_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1064				  uint32_t *size);
1065extern void nv50_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1066extern int  nv50_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1067extern int  nv50_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1068extern void nv50_instmem_prepare_access(struct drm_device *, bool write);
1069extern void nv50_instmem_finish_access(struct drm_device *);
1070
1071/* nv04_mc.c */
1072extern int  nv04_mc_init(struct drm_device *);
1073extern void nv04_mc_takedown(struct drm_device *);
1074
1075/* nv40_mc.c */
1076extern int  nv40_mc_init(struct drm_device *);
1077extern void nv40_mc_takedown(struct drm_device *);
1078
1079/* nv50_mc.c */
1080extern int  nv50_mc_init(struct drm_device *);
1081extern void nv50_mc_takedown(struct drm_device *);
1082
1083/* nv04_timer.c */
1084extern int  nv04_timer_init(struct drm_device *);
1085extern uint64_t nv04_timer_read(struct drm_device *);
1086extern void nv04_timer_takedown(struct drm_device *);
1087
1088extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1089				 unsigned long arg);
1090
1091/* nv04_dac.c */
1092extern int nv04_dac_create(struct drm_device *dev, struct dcb_entry *entry);
1093extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1094extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1095extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1096
1097/* nv04_dfp.c */
1098extern int nv04_dfp_create(struct drm_device *dev, struct dcb_entry *entry);
1099extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1100extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1101			       int head, bool dl);
1102extern void nv04_dfp_disable(struct drm_device *dev, int head);
1103extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1104
1105/* nv04_tv.c */
1106extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1107extern int nv04_tv_create(struct drm_device *dev, struct dcb_entry *entry);
1108
1109/* nv17_tv.c */
1110extern int nv17_tv_create(struct drm_device *dev, struct dcb_entry *entry);
1111
1112/* nv04_display.c */
1113extern int nv04_display_create(struct drm_device *);
1114extern void nv04_display_destroy(struct drm_device *);
1115extern void nv04_display_restore(struct drm_device *);
1116
1117/* nv04_crtc.c */
1118extern int nv04_crtc_create(struct drm_device *, int index);
1119
1120/* nouveau_bo.c */
1121extern struct ttm_bo_driver nouveau_bo_driver;
1122extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1123			  int size, int align, uint32_t flags,
1124			  uint32_t tile_mode, uint32_t tile_flags,
1125			  bool no_vm, bool mappable, struct nouveau_bo **);
1126extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1127extern int nouveau_bo_unpin(struct nouveau_bo *);
1128extern int nouveau_bo_map(struct nouveau_bo *);
1129extern void nouveau_bo_unmap(struct nouveau_bo *);
1130extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t memtype);
1131extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1132extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1133extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1134extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1135
1136/* nouveau_fence.c */
1137struct nouveau_fence;
1138extern int nouveau_fence_init(struct nouveau_channel *);
1139extern void nouveau_fence_fini(struct nouveau_channel *);
1140extern void nouveau_fence_update(struct nouveau_channel *);
1141extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1142			     bool emit);
1143extern int nouveau_fence_emit(struct nouveau_fence *);
1144struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1145extern bool nouveau_fence_signalled(void *obj, void *arg);
1146extern int nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1147extern int nouveau_fence_flush(void *obj, void *arg);
1148extern void nouveau_fence_unref(void **obj);
1149extern void *nouveau_fence_ref(void *obj);
1150extern void nouveau_fence_handler(struct drm_device *dev, int channel);
1151
1152/* nouveau_gem.c */
1153extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1154			   int size, int align, uint32_t flags,
1155			   uint32_t tile_mode, uint32_t tile_flags,
1156			   bool no_vm, bool mappable, struct nouveau_bo **);
1157extern int nouveau_gem_object_new(struct drm_gem_object *);
1158extern void nouveau_gem_object_del(struct drm_gem_object *);
1159extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1160				 struct drm_file *);
1161extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1162				     struct drm_file *);
1163extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1164				      struct drm_file *);
1165extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1166				      struct drm_file *);
1167extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1168				  struct drm_file *);
1169
1170/* nv17_gpio.c */
1171int nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1172int nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1173
1174#ifndef ioread32_native
1175#ifdef __BIG_ENDIAN
1176#define ioread16_native ioread16be
1177#define iowrite16_native iowrite16be
1178#define ioread32_native  ioread32be
1179#define iowrite32_native iowrite32be
1180#else /* def __BIG_ENDIAN */
1181#define ioread16_native ioread16
1182#define iowrite16_native iowrite16
1183#define ioread32_native  ioread32
1184#define iowrite32_native iowrite32
1185#endif /* def __BIG_ENDIAN else */
1186#endif /* !ioread32_native */
1187
1188/* channel control reg access */
1189static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1190{
1191	return ioread32_native(chan->user + reg);
1192}
1193
1194static inline void nvchan_wr32(struct nouveau_channel *chan,
1195							unsigned reg, u32 val)
1196{
1197	iowrite32_native(val, chan->user + reg);
1198}
1199
1200/* register access */
1201static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1202{
1203	struct drm_nouveau_private *dev_priv = dev->dev_private;
1204	return ioread32_native(dev_priv->mmio + reg);
1205}
1206
1207static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1208{
1209	struct drm_nouveau_private *dev_priv = dev->dev_private;
1210	iowrite32_native(val, dev_priv->mmio + reg);
1211}
1212
1213static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1214{
1215	struct drm_nouveau_private *dev_priv = dev->dev_private;
1216	return ioread8(dev_priv->mmio + reg);
1217}
1218
1219static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1220{
1221	struct drm_nouveau_private *dev_priv = dev->dev_private;
1222	iowrite8(val, dev_priv->mmio + reg);
1223}
1224
1225#define nv_wait(reg, mask, val) \
1226	nouveau_wait_until(dev, 2000000000ULL, (reg), (mask), (val))
1227
1228/* PRAMIN access */
1229static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1230{
1231	struct drm_nouveau_private *dev_priv = dev->dev_private;
1232	return ioread32_native(dev_priv->ramin + offset);
1233}
1234
1235static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1236{
1237	struct drm_nouveau_private *dev_priv = dev->dev_private;
1238	iowrite32_native(val, dev_priv->ramin + offset);
1239}
1240
1241/* object access */
1242static inline u32 nv_ro32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1243				unsigned index)
1244{
1245	return nv_ri32(dev, obj->im_pramin->start + index * 4);
1246}
1247
1248static inline void nv_wo32(struct drm_device *dev, struct nouveau_gpuobj *obj,
1249				unsigned index, u32 val)
1250{
1251	nv_wi32(dev, obj->im_pramin->start + index * 4, val);
1252}
1253
1254/*
1255 * Logging
1256 * Argument d is (struct drm_device *).
1257 */
1258#define NV_PRINTK(level, d, fmt, arg...) \
1259	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1260					pci_name(d->pdev), ##arg)
1261#ifndef NV_DEBUG_NOTRACE
1262#define NV_DEBUG(d, fmt, arg...) do {                                          \
1263	if (drm_debug & DRM_UT_DRIVER) {                                       \
1264		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1265			  __LINE__, ##arg);                                    \
1266	}                                                                      \
1267} while (0)
1268#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1269	if (drm_debug & DRM_UT_KMS) {                                          \
1270		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1271			  __LINE__, ##arg);                                    \
1272	}                                                                      \
1273} while (0)
1274#else
1275#define NV_DEBUG(d, fmt, arg...) do {                                          \
1276	if (drm_debug & DRM_UT_DRIVER)                                         \
1277		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1278} while (0)
1279#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1280	if (drm_debug & DRM_UT_KMS)                                            \
1281		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1282} while (0)
1283#endif
1284#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1285#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1286#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1287#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1288#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1289
1290/* nouveau_reg_debug bitmask */
1291enum {
1292	NOUVEAU_REG_DEBUG_MC             = 0x1,
1293	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1294	NOUVEAU_REG_DEBUG_FB             = 0x4,
1295	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1296	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1297	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1298	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1299	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1300	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1301	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1302};
1303
1304#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1305	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1306		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1307} while (0)
1308
1309static inline bool
1310nv_two_heads(struct drm_device *dev)
1311{
1312	struct drm_nouveau_private *dev_priv = dev->dev_private;
1313	const int impl = dev->pci_device & 0x0ff0;
1314
1315	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1316	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1317		return true;
1318
1319	return false;
1320}
1321
1322static inline bool
1323nv_gf4_disp_arch(struct drm_device *dev)
1324{
1325	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1326}
1327
1328static inline bool
1329nv_two_reg_pll(struct drm_device *dev)
1330{
1331	struct drm_nouveau_private *dev_priv = dev->dev_private;
1332	const int impl = dev->pci_device & 0x0ff0;
1333
1334	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1335		return true;
1336	return false;
1337}
1338
1339#define NV_SW                                                        0x0000506e
1340#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1341#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1342#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1343#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1344#define NV_SW_DMA_VBLSEM                                             0x0000018c
1345#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1346#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1347#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1348
1349#endif /* __NOUVEAU_DRV_H__ */
1350