nouveau_drv.h revision c0924326c8306249aaae27016b80f3c07bb51705
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"
57#include "nouveau_util.h"
58
59struct nouveau_grctx;
60struct nouveau_mem;
61#include "nouveau_vm.h"
62
63#define MAX_NUM_DCB_ENTRIES 16
64
65#define NOUVEAU_MAX_CHANNEL_NR 128
66#define NOUVEAU_MAX_TILE_NR 15
67
68struct nouveau_mem {
69	struct drm_device *dev;
70
71	struct nouveau_vma bar_vma;
72	struct nouveau_vma tmp_vma;
73	u8  page_shift;
74
75	struct drm_mm_node *tag;
76	struct list_head regions;
77	dma_addr_t *pages;
78	u32 memtype;
79	u64 offset;
80	u64 size;
81};
82
83struct nouveau_tile_reg {
84	bool used;
85	uint32_t addr;
86	uint32_t limit;
87	uint32_t pitch;
88	uint32_t zcomp;
89	struct drm_mm_node *tag_mem;
90	struct nouveau_fence *fence;
91};
92
93struct nouveau_bo {
94	struct ttm_buffer_object bo;
95	struct ttm_placement placement;
96	u32 valid_domains;
97	u32 placements[3];
98	u32 busy_placements[3];
99	struct ttm_bo_kmap_obj kmap;
100	struct list_head head;
101
102	/* protected by ttm_bo_reserve() */
103	struct drm_file *reserved_by;
104	struct list_head entry;
105	int pbbo_index;
106	bool validate_mapped;
107
108	struct nouveau_channel *channel;
109
110	struct nouveau_vma vma;
111
112	uint32_t tile_mode;
113	uint32_t tile_flags;
114	struct nouveau_tile_reg *tile;
115
116	struct drm_gem_object *gem;
117	int pin_refcnt;
118};
119
120#define nouveau_bo_tile_layout(nvbo)				\
121	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
122
123static inline struct nouveau_bo *
124nouveau_bo(struct ttm_buffer_object *bo)
125{
126	return container_of(bo, struct nouveau_bo, bo);
127}
128
129static inline struct nouveau_bo *
130nouveau_gem_object(struct drm_gem_object *gem)
131{
132	return gem ? gem->driver_private : NULL;
133}
134
135/* TODO: submit equivalent to TTM generic API upstream? */
136static inline void __iomem *
137nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
138{
139	bool is_iomem;
140	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
141						&nvbo->kmap, &is_iomem);
142	WARN_ON_ONCE(ioptr && !is_iomem);
143	return ioptr;
144}
145
146enum nouveau_flags {
147	NV_NFORCE   = 0x10000000,
148	NV_NFORCE2  = 0x20000000
149};
150
151#define NVOBJ_ENGINE_SW		0
152#define NVOBJ_ENGINE_GR		1
153#define NVOBJ_ENGINE_CRYPT	2
154#define NVOBJ_ENGINE_COPY0	3
155#define NVOBJ_ENGINE_COPY1	4
156#define NVOBJ_ENGINE_MPEG	5
157#define NVOBJ_ENGINE_DISPLAY	15
158#define NVOBJ_ENGINE_NR		16
159
160#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
161#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
162#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
163#define NVOBJ_FLAG_VM			(1 << 3)
164#define NVOBJ_FLAG_VM_USER		(1 << 4)
165
166#define NVOBJ_CINST_GLOBAL	0xdeadbeef
167
168struct nouveau_gpuobj {
169	struct drm_device *dev;
170	struct kref refcount;
171	struct list_head list;
172
173	void *node;
174	u32 *suspend;
175
176	uint32_t flags;
177
178	u32 size;
179	u32 pinst;
180	u32 cinst;
181	u64 vinst;
182
183	uint32_t engine;
184	uint32_t class;
185
186	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
187	void *priv;
188};
189
190struct nouveau_page_flip_state {
191	struct list_head head;
192	struct drm_pending_vblank_event *event;
193	int crtc, bpp, pitch, x, y;
194	uint64_t offset;
195};
196
197enum nouveau_channel_mutex_class {
198	NOUVEAU_UCHANNEL_MUTEX,
199	NOUVEAU_KCHANNEL_MUTEX
200};
201
202struct nouveau_channel {
203	struct drm_device *dev;
204	int id;
205
206	/* references to the channel data structure */
207	struct kref ref;
208	/* users of the hardware channel resources, the hardware
209	 * context will be kicked off when it reaches zero. */
210	atomic_t users;
211	struct mutex mutex;
212
213	/* owner of this fifo */
214	struct drm_file *file_priv;
215	/* mapping of the fifo itself */
216	struct drm_local_map *map;
217
218	/* mapping of the regs controlling the fifo */
219	void __iomem *user;
220	uint32_t user_get;
221	uint32_t user_put;
222
223	/* Fencing */
224	struct {
225		/* lock protects the pending list only */
226		spinlock_t lock;
227		struct list_head pending;
228		uint32_t sequence;
229		uint32_t sequence_ack;
230		atomic_t last_sequence_irq;
231	} fence;
232
233	/* DMA push buffer */
234	struct nouveau_gpuobj *pushbuf;
235	struct nouveau_bo     *pushbuf_bo;
236	uint32_t               pushbuf_base;
237
238	/* Notifier memory */
239	struct nouveau_bo *notifier_bo;
240	struct drm_mm notifier_heap;
241
242	/* PFIFO context */
243	struct nouveau_gpuobj *ramfc;
244	struct nouveau_gpuobj *cache;
245	void *fifo_priv;
246
247	/* Execution engine contexts */
248	void *engctx[NVOBJ_ENGINE_NR];
249
250	/* NV50 VM */
251	struct nouveau_vm     *vm;
252	struct nouveau_gpuobj *vm_pd;
253
254	/* Objects */
255	struct nouveau_gpuobj *ramin; /* Private instmem */
256	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
257	struct nouveau_ramht  *ramht; /* Hash table */
258
259	/* GPU object info for stuff used in-kernel (mm_enabled) */
260	uint32_t m2mf_ntfy;
261	uint32_t vram_handle;
262	uint32_t gart_handle;
263	bool accel_done;
264
265	/* Push buffer state (only for drm's channel on !mm_enabled) */
266	struct {
267		int max;
268		int free;
269		int cur;
270		int put;
271		/* access via pushbuf_bo */
272
273		int ib_base;
274		int ib_max;
275		int ib_free;
276		int ib_put;
277	} dma;
278
279	uint32_t sw_subchannel[8];
280
281	struct {
282		struct nouveau_gpuobj *vblsem;
283		uint32_t vblsem_head;
284		uint32_t vblsem_offset;
285		uint32_t vblsem_rval;
286		struct list_head vbl_wait;
287		struct list_head flip;
288	} nvsw;
289
290	struct {
291		bool active;
292		char name[32];
293		struct drm_info_list info;
294	} debugfs;
295};
296
297struct nouveau_exec_engine {
298	void (*destroy)(struct drm_device *, int engine);
299	int  (*init)(struct drm_device *, int engine);
300	int  (*fini)(struct drm_device *, int engine);
301	int  (*context_new)(struct nouveau_channel *, int engine);
302	void (*context_del)(struct nouveau_channel *, int engine);
303	int  (*object_new)(struct nouveau_channel *, int engine,
304			   u32 handle, u16 class);
305	void (*set_tile_region)(struct drm_device *dev, int i);
306	void (*tlb_flush)(struct drm_device *, int engine);
307};
308
309struct nouveau_instmem_engine {
310	void	*priv;
311
312	int	(*init)(struct drm_device *dev);
313	void	(*takedown)(struct drm_device *dev);
314	int	(*suspend)(struct drm_device *dev);
315	void	(*resume)(struct drm_device *dev);
316
317	int	(*get)(struct nouveau_gpuobj *, u32 size, u32 align);
318	void	(*put)(struct nouveau_gpuobj *);
319	int	(*map)(struct nouveau_gpuobj *);
320	void	(*unmap)(struct nouveau_gpuobj *);
321
322	void	(*flush)(struct drm_device *);
323};
324
325struct nouveau_mc_engine {
326	int  (*init)(struct drm_device *dev);
327	void (*takedown)(struct drm_device *dev);
328};
329
330struct nouveau_timer_engine {
331	int      (*init)(struct drm_device *dev);
332	void     (*takedown)(struct drm_device *dev);
333	uint64_t (*read)(struct drm_device *dev);
334};
335
336struct nouveau_fb_engine {
337	int num_tiles;
338	struct drm_mm tag_heap;
339	void *priv;
340
341	int  (*init)(struct drm_device *dev);
342	void (*takedown)(struct drm_device *dev);
343
344	void (*init_tile_region)(struct drm_device *dev, int i,
345				 uint32_t addr, uint32_t size,
346				 uint32_t pitch, uint32_t flags);
347	void (*set_tile_region)(struct drm_device *dev, int i);
348	void (*free_tile_region)(struct drm_device *dev, int i);
349};
350
351struct nouveau_fifo_engine {
352	void *priv;
353	int  channels;
354
355	struct nouveau_gpuobj *playlist[2];
356	int cur_playlist;
357
358	int  (*init)(struct drm_device *);
359	void (*takedown)(struct drm_device *);
360
361	void (*disable)(struct drm_device *);
362	void (*enable)(struct drm_device *);
363	bool (*reassign)(struct drm_device *, bool enable);
364	bool (*cache_pull)(struct drm_device *dev, bool enable);
365
366	int  (*channel_id)(struct drm_device *);
367
368	int  (*create_context)(struct nouveau_channel *);
369	void (*destroy_context)(struct nouveau_channel *);
370	int  (*load_context)(struct nouveau_channel *);
371	int  (*unload_context)(struct drm_device *);
372	void (*tlb_flush)(struct drm_device *dev);
373};
374
375struct nouveau_display_engine {
376	void *priv;
377	int (*early_init)(struct drm_device *);
378	void (*late_takedown)(struct drm_device *);
379	int (*create)(struct drm_device *);
380	int (*init)(struct drm_device *);
381	void (*destroy)(struct drm_device *);
382};
383
384struct nouveau_gpio_engine {
385	void *priv;
386
387	int  (*init)(struct drm_device *);
388	void (*takedown)(struct drm_device *);
389
390	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
391	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
392
393	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
394			     void (*)(void *, int), void *);
395	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
396			       void (*)(void *, int), void *);
397	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
398};
399
400struct nouveau_pm_voltage_level {
401	u8 voltage;
402	u8 vid;
403};
404
405struct nouveau_pm_voltage {
406	bool supported;
407	u8 vid_mask;
408
409	struct nouveau_pm_voltage_level *level;
410	int nr_level;
411};
412
413#define NOUVEAU_PM_MAX_LEVEL 8
414struct nouveau_pm_level {
415	struct device_attribute dev_attr;
416	char name[32];
417	int id;
418
419	u32 core;
420	u32 memory;
421	u32 shader;
422	u32 unk05;
423
424	u8 voltage;
425	u8 fanspeed;
426
427	u16 memscript;
428};
429
430struct nouveau_pm_temp_sensor_constants {
431	u16 offset_constant;
432	s16 offset_mult;
433	u16 offset_div;
434	u16 slope_mult;
435	u16 slope_div;
436};
437
438struct nouveau_pm_threshold_temp {
439	s16 critical;
440	s16 down_clock;
441	s16 fan_boost;
442};
443
444struct nouveau_pm_memtiming {
445	u32 reg_100220;
446	u32 reg_100224;
447	u32 reg_100228;
448	u32 reg_10022c;
449	u32 reg_100230;
450	u32 reg_100234;
451	u32 reg_100238;
452	u32 reg_10023c;
453	u32 reg_100240;
454};
455
456struct nouveau_pm_memtimings {
457	bool supported;
458	struct nouveau_pm_memtiming *timing;
459	int nr_timing;
460};
461
462struct nouveau_pm_engine {
463	struct nouveau_pm_voltage voltage;
464	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
465	int nr_perflvl;
466	struct nouveau_pm_memtimings memtimings;
467	struct nouveau_pm_temp_sensor_constants sensor_constants;
468	struct nouveau_pm_threshold_temp threshold_temp;
469
470	struct nouveau_pm_level boot;
471	struct nouveau_pm_level *cur;
472
473	struct device *hwmon;
474	struct notifier_block acpi_nb;
475
476	int (*clock_get)(struct drm_device *, u32 id);
477	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
478			   u32 id, int khz);
479	void (*clock_set)(struct drm_device *, void *);
480	int (*voltage_get)(struct drm_device *);
481	int (*voltage_set)(struct drm_device *, int voltage);
482	int (*fanspeed_get)(struct drm_device *);
483	int (*fanspeed_set)(struct drm_device *, int fanspeed);
484	int (*temp_get)(struct drm_device *);
485};
486
487struct nouveau_vram_engine {
488	int  (*init)(struct drm_device *);
489	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
490		    u32 type, struct nouveau_mem **);
491	void (*put)(struct drm_device *, struct nouveau_mem **);
492
493	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
494};
495
496struct nouveau_engine {
497	struct nouveau_instmem_engine instmem;
498	struct nouveau_mc_engine      mc;
499	struct nouveau_timer_engine   timer;
500	struct nouveau_fb_engine      fb;
501	struct nouveau_fifo_engine    fifo;
502	struct nouveau_display_engine display;
503	struct nouveau_gpio_engine    gpio;
504	struct nouveau_pm_engine      pm;
505	struct nouveau_vram_engine    vram;
506};
507
508struct nouveau_pll_vals {
509	union {
510		struct {
511#ifdef __BIG_ENDIAN
512			uint8_t N1, M1, N2, M2;
513#else
514			uint8_t M1, N1, M2, N2;
515#endif
516		};
517		struct {
518			uint16_t NM1, NM2;
519		} __attribute__((packed));
520	};
521	int log2P;
522
523	int refclk;
524};
525
526enum nv04_fp_display_regs {
527	FP_DISPLAY_END,
528	FP_TOTAL,
529	FP_CRTC,
530	FP_SYNC_START,
531	FP_SYNC_END,
532	FP_VALID_START,
533	FP_VALID_END
534};
535
536struct nv04_crtc_reg {
537	unsigned char MiscOutReg;
538	uint8_t CRTC[0xa0];
539	uint8_t CR58[0x10];
540	uint8_t Sequencer[5];
541	uint8_t Graphics[9];
542	uint8_t Attribute[21];
543	unsigned char DAC[768];
544
545	/* PCRTC regs */
546	uint32_t fb_start;
547	uint32_t crtc_cfg;
548	uint32_t cursor_cfg;
549	uint32_t gpio_ext;
550	uint32_t crtc_830;
551	uint32_t crtc_834;
552	uint32_t crtc_850;
553	uint32_t crtc_eng_ctrl;
554
555	/* PRAMDAC regs */
556	uint32_t nv10_cursync;
557	struct nouveau_pll_vals pllvals;
558	uint32_t ramdac_gen_ctrl;
559	uint32_t ramdac_630;
560	uint32_t ramdac_634;
561	uint32_t tv_setup;
562	uint32_t tv_vtotal;
563	uint32_t tv_vskew;
564	uint32_t tv_vsync_delay;
565	uint32_t tv_htotal;
566	uint32_t tv_hskew;
567	uint32_t tv_hsync_delay;
568	uint32_t tv_hsync_delay2;
569	uint32_t fp_horiz_regs[7];
570	uint32_t fp_vert_regs[7];
571	uint32_t dither;
572	uint32_t fp_control;
573	uint32_t dither_regs[6];
574	uint32_t fp_debug_0;
575	uint32_t fp_debug_1;
576	uint32_t fp_debug_2;
577	uint32_t fp_margin_color;
578	uint32_t ramdac_8c0;
579	uint32_t ramdac_a20;
580	uint32_t ramdac_a24;
581	uint32_t ramdac_a34;
582	uint32_t ctv_regs[38];
583};
584
585struct nv04_output_reg {
586	uint32_t output;
587	int head;
588};
589
590struct nv04_mode_state {
591	struct nv04_crtc_reg crtc_reg[2];
592	uint32_t pllsel;
593	uint32_t sel_clk;
594};
595
596enum nouveau_card_type {
597	NV_04      = 0x00,
598	NV_10      = 0x10,
599	NV_20      = 0x20,
600	NV_30      = 0x30,
601	NV_40      = 0x40,
602	NV_50      = 0x50,
603	NV_C0      = 0xc0,
604};
605
606struct drm_nouveau_private {
607	struct drm_device *dev;
608
609	/* the card type, takes NV_* as values */
610	enum nouveau_card_type card_type;
611	/* exact chipset, derived from NV_PMC_BOOT_0 */
612	int chipset;
613	int stepping;
614	int flags;
615
616	void __iomem *mmio;
617
618	spinlock_t ramin_lock;
619	void __iomem *ramin;
620	u32 ramin_size;
621	u32 ramin_base;
622	bool ramin_available;
623	struct drm_mm ramin_heap;
624	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
625	struct list_head gpuobj_list;
626	struct list_head classes;
627
628	struct nouveau_bo *vga_ram;
629
630	/* interrupt handling */
631	void (*irq_handler[32])(struct drm_device *);
632	bool msi_enabled;
633
634	struct list_head vbl_waiting;
635
636	struct {
637		struct drm_global_reference mem_global_ref;
638		struct ttm_bo_global_ref bo_global_ref;
639		struct ttm_bo_device bdev;
640		atomic_t validate_sequence;
641	} ttm;
642
643	struct {
644		spinlock_t lock;
645		struct drm_mm heap;
646		struct nouveau_bo *bo;
647	} fence;
648
649	struct {
650		spinlock_t lock;
651		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
652	} channels;
653
654	struct nouveau_engine engine;
655	struct nouveau_channel *channel;
656
657	/* For PFIFO and PGRAPH. */
658	spinlock_t context_switch_lock;
659
660	/* VM/PRAMIN flush, legacy PRAMIN aperture */
661	spinlock_t vm_lock;
662
663	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
664	struct nouveau_ramht  *ramht;
665	struct nouveau_gpuobj *ramfc;
666	struct nouveau_gpuobj *ramro;
667
668	uint32_t ramin_rsvd_vram;
669
670	struct {
671		enum {
672			NOUVEAU_GART_NONE = 0,
673			NOUVEAU_GART_AGP,	/* AGP */
674			NOUVEAU_GART_PDMA,	/* paged dma object */
675			NOUVEAU_GART_HW		/* on-chip gart/vm */
676		} type;
677		uint64_t aper_base;
678		uint64_t aper_size;
679		uint64_t aper_free;
680
681		struct ttm_backend_func *func;
682
683		struct {
684			struct page *page;
685			dma_addr_t   addr;
686		} dummy;
687
688		struct nouveau_gpuobj *sg_ctxdma;
689	} gart_info;
690
691	/* nv10-nv40 tiling regions */
692	struct {
693		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
694		spinlock_t lock;
695	} tile;
696
697	/* VRAM/fb configuration */
698	uint64_t vram_size;
699	uint64_t vram_sys_base;
700	u32 vram_rblock_size;
701
702	uint64_t fb_phys;
703	uint64_t fb_available_size;
704	uint64_t fb_mappable_pages;
705	uint64_t fb_aper_free;
706	int fb_mtrr;
707
708	/* BAR control (NV50-) */
709	struct nouveau_vm *bar1_vm;
710	struct nouveau_vm *bar3_vm;
711
712	/* G8x/G9x virtual address space */
713	struct nouveau_vm *chan_vm;
714
715	struct nvbios vbios;
716
717	struct nv04_mode_state mode_reg;
718	struct nv04_mode_state saved_reg;
719	uint32_t saved_vga_font[4][16384];
720	uint32_t crtc_owner;
721	uint32_t dac_users[4];
722
723	struct backlight_device *backlight;
724
725	struct {
726		struct dentry *channel_root;
727	} debugfs;
728
729	struct nouveau_fbdev *nfbdev;
730	struct apertures_struct *apertures;
731};
732
733static inline struct drm_nouveau_private *
734nouveau_private(struct drm_device *dev)
735{
736	return dev->dev_private;
737}
738
739static inline struct drm_nouveau_private *
740nouveau_bdev(struct ttm_bo_device *bd)
741{
742	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
743}
744
745static inline int
746nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
747{
748	struct nouveau_bo *prev;
749
750	if (!pnvbo)
751		return -EINVAL;
752	prev = *pnvbo;
753
754	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
755	if (prev) {
756		struct ttm_buffer_object *bo = &prev->bo;
757
758		ttm_bo_unref(&bo);
759	}
760
761	return 0;
762}
763
764/* nouveau_drv.c */
765extern int nouveau_agpmode;
766extern int nouveau_duallink;
767extern int nouveau_uscript_lvds;
768extern int nouveau_uscript_tmds;
769extern int nouveau_vram_pushbuf;
770extern int nouveau_vram_notify;
771extern int nouveau_fbpercrtc;
772extern int nouveau_tv_disable;
773extern char *nouveau_tv_norm;
774extern int nouveau_reg_debug;
775extern char *nouveau_vbios;
776extern int nouveau_ignorelid;
777extern int nouveau_nofbaccel;
778extern int nouveau_noaccel;
779extern int nouveau_force_post;
780extern int nouveau_override_conntype;
781extern char *nouveau_perflvl;
782extern int nouveau_perflvl_wr;
783extern int nouveau_msi;
784
785extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
786extern int nouveau_pci_resume(struct pci_dev *pdev);
787
788/* nouveau_state.c */
789extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
790extern int  nouveau_load(struct drm_device *, unsigned long flags);
791extern int  nouveau_firstopen(struct drm_device *);
792extern void nouveau_lastclose(struct drm_device *);
793extern int  nouveau_unload(struct drm_device *);
794extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
795				   struct drm_file *);
796extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
797				   struct drm_file *);
798extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
799			    uint32_t reg, uint32_t mask, uint32_t val);
800extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
801			    uint32_t reg, uint32_t mask, uint32_t val);
802extern bool nouveau_wait_for_idle(struct drm_device *);
803extern int  nouveau_card_init(struct drm_device *);
804
805/* nouveau_mem.c */
806extern int  nouveau_mem_vram_init(struct drm_device *);
807extern void nouveau_mem_vram_fini(struct drm_device *);
808extern int  nouveau_mem_gart_init(struct drm_device *);
809extern void nouveau_mem_gart_fini(struct drm_device *);
810extern int  nouveau_mem_init_agp(struct drm_device *);
811extern int  nouveau_mem_reset_agp(struct drm_device *);
812extern void nouveau_mem_close(struct drm_device *);
813extern int  nouveau_mem_detect(struct drm_device *);
814extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
815extern struct nouveau_tile_reg *nv10_mem_set_tiling(
816	struct drm_device *dev, uint32_t addr, uint32_t size,
817	uint32_t pitch, uint32_t flags);
818extern void nv10_mem_put_tile_region(struct drm_device *dev,
819				     struct nouveau_tile_reg *tile,
820				     struct nouveau_fence *fence);
821extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
822extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
823
824/* nouveau_notifier.c */
825extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
826extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
827extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
828				   int cout, uint32_t start, uint32_t end,
829				   uint32_t *offset);
830extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
831extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
832					 struct drm_file *);
833extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
834					struct drm_file *);
835
836/* nouveau_channel.c */
837extern struct drm_ioctl_desc nouveau_ioctls[];
838extern int nouveau_max_ioctl;
839extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
840extern int  nouveau_channel_alloc(struct drm_device *dev,
841				  struct nouveau_channel **chan,
842				  struct drm_file *file_priv,
843				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
844extern struct nouveau_channel *
845nouveau_channel_get_unlocked(struct nouveau_channel *);
846extern struct nouveau_channel *
847nouveau_channel_get(struct drm_device *, struct drm_file *, int id);
848extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
849extern void nouveau_channel_put(struct nouveau_channel **);
850extern void nouveau_channel_ref(struct nouveau_channel *chan,
851				struct nouveau_channel **pchan);
852extern void nouveau_channel_idle(struct nouveau_channel *chan);
853
854/* nouveau_object.c */
855#define NVOBJ_ENGINE_ADD(d, e, p) do {                                         \
856	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
857	dev_priv->eng[NVOBJ_ENGINE_##e] = (p);                                 \
858} while (0)
859
860#define NVOBJ_ENGINE_DEL(d, e) do {                                            \
861	struct drm_nouveau_private *dev_priv = (d)->dev_private;               \
862	dev_priv->eng[NVOBJ_ENGINE_##e] = NULL;                                \
863} while (0)
864
865#define NVOBJ_CLASS(d, c, e) do {                                              \
866	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
867	if (ret)                                                               \
868		return ret;                                                    \
869} while (0)
870
871#define NVOBJ_MTHD(d, c, m, e) do {                                            \
872	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
873	if (ret)                                                               \
874		return ret;                                                    \
875} while (0)
876
877extern int  nouveau_gpuobj_early_init(struct drm_device *);
878extern int  nouveau_gpuobj_init(struct drm_device *);
879extern void nouveau_gpuobj_takedown(struct drm_device *);
880extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
881extern void nouveau_gpuobj_resume(struct drm_device *dev);
882extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
883extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
884				    int (*exec)(struct nouveau_channel *,
885						u32 class, u32 mthd, u32 data));
886extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
887extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
888extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
889				       uint32_t vram_h, uint32_t tt_h);
890extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
891extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
892			      uint32_t size, int align, uint32_t flags,
893			      struct nouveau_gpuobj **);
894extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
895			       struct nouveau_gpuobj **);
896extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
897				   u32 size, u32 flags,
898				   struct nouveau_gpuobj **);
899extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
900				  uint64_t offset, uint64_t size, int access,
901				  int target, struct nouveau_gpuobj **);
902extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
903extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
904			       u64 size, int target, int access, u32 type,
905			       u32 comp, struct nouveau_gpuobj **pobj);
906extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
907				 int class, u64 base, u64 size, int target,
908				 int access, u32 type, u32 comp);
909extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
910				     struct drm_file *);
911extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
912				     struct drm_file *);
913
914/* nouveau_irq.c */
915extern int         nouveau_irq_init(struct drm_device *);
916extern void        nouveau_irq_fini(struct drm_device *);
917extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
918extern void        nouveau_irq_register(struct drm_device *, int status_bit,
919					void (*)(struct drm_device *));
920extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
921extern void        nouveau_irq_preinstall(struct drm_device *);
922extern int         nouveau_irq_postinstall(struct drm_device *);
923extern void        nouveau_irq_uninstall(struct drm_device *);
924
925/* nouveau_sgdma.c */
926extern int nouveau_sgdma_init(struct drm_device *);
927extern void nouveau_sgdma_takedown(struct drm_device *);
928extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
929					   uint32_t offset);
930extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
931
932/* nouveau_debugfs.c */
933#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
934extern int  nouveau_debugfs_init(struct drm_minor *);
935extern void nouveau_debugfs_takedown(struct drm_minor *);
936extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
937extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
938#else
939static inline int
940nouveau_debugfs_init(struct drm_minor *minor)
941{
942	return 0;
943}
944
945static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
946{
947}
948
949static inline int
950nouveau_debugfs_channel_init(struct nouveau_channel *chan)
951{
952	return 0;
953}
954
955static inline void
956nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
957{
958}
959#endif
960
961/* nouveau_dma.c */
962extern void nouveau_dma_pre_init(struct nouveau_channel *);
963extern int  nouveau_dma_init(struct nouveau_channel *);
964extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
965
966/* nouveau_acpi.c */
967#define ROM_BIOS_PAGE 4096
968#if defined(CONFIG_ACPI)
969void nouveau_register_dsm_handler(void);
970void nouveau_unregister_dsm_handler(void);
971int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
972bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
973int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
974#else
975static inline void nouveau_register_dsm_handler(void) {}
976static inline void nouveau_unregister_dsm_handler(void) {}
977static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
978static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
979static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
980#endif
981
982/* nouveau_backlight.c */
983#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
984extern int nouveau_backlight_init(struct drm_connector *);
985extern void nouveau_backlight_exit(struct drm_connector *);
986#else
987static inline int nouveau_backlight_init(struct drm_connector *dev)
988{
989	return 0;
990}
991
992static inline void nouveau_backlight_exit(struct drm_connector *dev) { }
993#endif
994
995/* nouveau_bios.c */
996extern int nouveau_bios_init(struct drm_device *);
997extern void nouveau_bios_takedown(struct drm_device *dev);
998extern int nouveau_run_vbios_init(struct drm_device *);
999extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1000					struct dcb_entry *);
1001extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1002						      enum dcb_gpio_tag);
1003extern struct dcb_connector_table_entry *
1004nouveau_bios_connector_entry(struct drm_device *, int index);
1005extern u32 get_pll_register(struct drm_device *, enum pll_types);
1006extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1007			  struct pll_lims *);
1008extern int nouveau_bios_run_display_table(struct drm_device *,
1009					  struct dcb_entry *,
1010					  uint32_t script, int pxclk);
1011extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1012				   int *length);
1013extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1014extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1015extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1016					 bool *dl, bool *if_is_24bit);
1017extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1018			  int head, int pxclk);
1019extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1020			    enum LVDS_script, int pxclk);
1021
1022/* nouveau_ttm.c */
1023int nouveau_ttm_global_init(struct drm_nouveau_private *);
1024void nouveau_ttm_global_release(struct drm_nouveau_private *);
1025int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1026
1027/* nouveau_dp.c */
1028int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1029		     uint8_t *data, int data_nr);
1030bool nouveau_dp_detect(struct drm_encoder *);
1031bool nouveau_dp_link_train(struct drm_encoder *);
1032
1033/* nv04_fb.c */
1034extern int  nv04_fb_init(struct drm_device *);
1035extern void nv04_fb_takedown(struct drm_device *);
1036
1037/* nv10_fb.c */
1038extern int  nv10_fb_init(struct drm_device *);
1039extern void nv10_fb_takedown(struct drm_device *);
1040extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1041				     uint32_t addr, uint32_t size,
1042				     uint32_t pitch, uint32_t flags);
1043extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1044extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1045
1046/* nv30_fb.c */
1047extern int  nv30_fb_init(struct drm_device *);
1048extern void nv30_fb_takedown(struct drm_device *);
1049extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1050				     uint32_t addr, uint32_t size,
1051				     uint32_t pitch, uint32_t flags);
1052extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1053
1054/* nv40_fb.c */
1055extern int  nv40_fb_init(struct drm_device *);
1056extern void nv40_fb_takedown(struct drm_device *);
1057extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1058
1059/* nv50_fb.c */
1060extern int  nv50_fb_init(struct drm_device *);
1061extern void nv50_fb_takedown(struct drm_device *);
1062extern void nv50_fb_vm_trap(struct drm_device *, int display);
1063
1064/* nvc0_fb.c */
1065extern int  nvc0_fb_init(struct drm_device *);
1066extern void nvc0_fb_takedown(struct drm_device *);
1067
1068/* nv04_fifo.c */
1069extern int  nv04_fifo_init(struct drm_device *);
1070extern void nv04_fifo_fini(struct drm_device *);
1071extern void nv04_fifo_disable(struct drm_device *);
1072extern void nv04_fifo_enable(struct drm_device *);
1073extern bool nv04_fifo_reassign(struct drm_device *, bool);
1074extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1075extern int  nv04_fifo_channel_id(struct drm_device *);
1076extern int  nv04_fifo_create_context(struct nouveau_channel *);
1077extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1078extern int  nv04_fifo_load_context(struct nouveau_channel *);
1079extern int  nv04_fifo_unload_context(struct drm_device *);
1080extern void nv04_fifo_isr(struct drm_device *);
1081
1082/* nv10_fifo.c */
1083extern int  nv10_fifo_init(struct drm_device *);
1084extern int  nv10_fifo_channel_id(struct drm_device *);
1085extern int  nv10_fifo_create_context(struct nouveau_channel *);
1086extern int  nv10_fifo_load_context(struct nouveau_channel *);
1087extern int  nv10_fifo_unload_context(struct drm_device *);
1088
1089/* nv40_fifo.c */
1090extern int  nv40_fifo_init(struct drm_device *);
1091extern int  nv40_fifo_create_context(struct nouveau_channel *);
1092extern int  nv40_fifo_load_context(struct nouveau_channel *);
1093extern int  nv40_fifo_unload_context(struct drm_device *);
1094
1095/* nv50_fifo.c */
1096extern int  nv50_fifo_init(struct drm_device *);
1097extern void nv50_fifo_takedown(struct drm_device *);
1098extern int  nv50_fifo_channel_id(struct drm_device *);
1099extern int  nv50_fifo_create_context(struct nouveau_channel *);
1100extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1101extern int  nv50_fifo_load_context(struct nouveau_channel *);
1102extern int  nv50_fifo_unload_context(struct drm_device *);
1103extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1104
1105/* nvc0_fifo.c */
1106extern int  nvc0_fifo_init(struct drm_device *);
1107extern void nvc0_fifo_takedown(struct drm_device *);
1108extern void nvc0_fifo_disable(struct drm_device *);
1109extern void nvc0_fifo_enable(struct drm_device *);
1110extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1111extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1112extern int  nvc0_fifo_channel_id(struct drm_device *);
1113extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1114extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1115extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1116extern int  nvc0_fifo_unload_context(struct drm_device *);
1117
1118/* nv04_graph.c */
1119extern int  nv04_graph_create(struct drm_device *);
1120extern void nv04_graph_fifo_access(struct drm_device *, bool);
1121extern int  nv04_graph_object_new(struct nouveau_channel *, int, u32, u16);
1122extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1123				      u32 class, u32 mthd, u32 data);
1124extern struct nouveau_bitfield nv04_graph_nsource[];
1125
1126/* nv10_graph.c */
1127extern int  nv10_graph_create(struct drm_device *);
1128extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1129extern struct nouveau_bitfield nv10_graph_intr[];
1130extern struct nouveau_bitfield nv10_graph_nstatus[];
1131
1132/* nv20_graph.c */
1133extern int  nv20_graph_create(struct drm_device *);
1134
1135/* nv40_graph.c */
1136extern int  nv40_graph_create(struct drm_device *);
1137extern void nv40_grctx_init(struct nouveau_grctx *);
1138
1139/* nv50_graph.c */
1140extern int  nv50_graph_create(struct drm_device *);
1141extern int  nv50_grctx_init(struct nouveau_grctx *);
1142extern struct nouveau_enum nv50_data_error_names[];
1143extern int  nv50_graph_isr_chid(struct drm_device *dev, u64 inst);
1144
1145/* nvc0_graph.c */
1146extern int  nvc0_graph_create(struct drm_device *);
1147extern int  nvc0_graph_isr_chid(struct drm_device *dev, u64 inst);
1148
1149/* nv84_crypt.c */
1150extern int  nv84_crypt_create(struct drm_device *);
1151
1152/* nva3_copy.c */
1153extern int  nva3_copy_create(struct drm_device *dev);
1154
1155/* nvc0_copy.c */
1156extern int  nvc0_copy_create(struct drm_device *dev, int engine);
1157
1158/* nv40_mpeg.c */
1159extern int  nv40_mpeg_create(struct drm_device *dev);
1160
1161/* nv84_mpeg.c */
1162extern int  nv84_mpeg_create(struct drm_device *dev);
1163
1164/* nv04_instmem.c */
1165extern int  nv04_instmem_init(struct drm_device *);
1166extern void nv04_instmem_takedown(struct drm_device *);
1167extern int  nv04_instmem_suspend(struct drm_device *);
1168extern void nv04_instmem_resume(struct drm_device *);
1169extern int  nv04_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1170extern void nv04_instmem_put(struct nouveau_gpuobj *);
1171extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1172extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1173extern void nv04_instmem_flush(struct drm_device *);
1174
1175/* nv50_instmem.c */
1176extern int  nv50_instmem_init(struct drm_device *);
1177extern void nv50_instmem_takedown(struct drm_device *);
1178extern int  nv50_instmem_suspend(struct drm_device *);
1179extern void nv50_instmem_resume(struct drm_device *);
1180extern int  nv50_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1181extern void nv50_instmem_put(struct nouveau_gpuobj *);
1182extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1183extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1184extern void nv50_instmem_flush(struct drm_device *);
1185extern void nv84_instmem_flush(struct drm_device *);
1186
1187/* nvc0_instmem.c */
1188extern int  nvc0_instmem_init(struct drm_device *);
1189extern void nvc0_instmem_takedown(struct drm_device *);
1190extern int  nvc0_instmem_suspend(struct drm_device *);
1191extern void nvc0_instmem_resume(struct drm_device *);
1192
1193/* nv04_mc.c */
1194extern int  nv04_mc_init(struct drm_device *);
1195extern void nv04_mc_takedown(struct drm_device *);
1196
1197/* nv40_mc.c */
1198extern int  nv40_mc_init(struct drm_device *);
1199extern void nv40_mc_takedown(struct drm_device *);
1200
1201/* nv50_mc.c */
1202extern int  nv50_mc_init(struct drm_device *);
1203extern void nv50_mc_takedown(struct drm_device *);
1204
1205/* nv04_timer.c */
1206extern int  nv04_timer_init(struct drm_device *);
1207extern uint64_t nv04_timer_read(struct drm_device *);
1208extern void nv04_timer_takedown(struct drm_device *);
1209
1210extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1211				 unsigned long arg);
1212
1213/* nv04_dac.c */
1214extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1215extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1216extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1217extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1218extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1219
1220/* nv04_dfp.c */
1221extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1222extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1223extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1224			       int head, bool dl);
1225extern void nv04_dfp_disable(struct drm_device *dev, int head);
1226extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1227
1228/* nv04_tv.c */
1229extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1230extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1231
1232/* nv17_tv.c */
1233extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1234
1235/* nv04_display.c */
1236extern int nv04_display_early_init(struct drm_device *);
1237extern void nv04_display_late_takedown(struct drm_device *);
1238extern int nv04_display_create(struct drm_device *);
1239extern int nv04_display_init(struct drm_device *);
1240extern void nv04_display_destroy(struct drm_device *);
1241
1242/* nv04_crtc.c */
1243extern int nv04_crtc_create(struct drm_device *, int index);
1244
1245/* nouveau_bo.c */
1246extern struct ttm_bo_driver nouveau_bo_driver;
1247extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1248			  int size, int align, uint32_t flags,
1249			  uint32_t tile_mode, uint32_t tile_flags,
1250			  struct nouveau_bo **);
1251extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1252extern int nouveau_bo_unpin(struct nouveau_bo *);
1253extern int nouveau_bo_map(struct nouveau_bo *);
1254extern void nouveau_bo_unmap(struct nouveau_bo *);
1255extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1256				     uint32_t busy);
1257extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1258extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1259extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1260extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1261extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1262extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1263			       bool no_wait_reserve, bool no_wait_gpu);
1264
1265/* nouveau_fence.c */
1266struct nouveau_fence;
1267extern int nouveau_fence_init(struct drm_device *);
1268extern void nouveau_fence_fini(struct drm_device *);
1269extern int nouveau_fence_channel_init(struct nouveau_channel *);
1270extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1271extern void nouveau_fence_update(struct nouveau_channel *);
1272extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1273			     bool emit);
1274extern int nouveau_fence_emit(struct nouveau_fence *);
1275extern void nouveau_fence_work(struct nouveau_fence *fence,
1276			       void (*work)(void *priv, bool signalled),
1277			       void *priv);
1278struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1279
1280extern bool __nouveau_fence_signalled(void *obj, void *arg);
1281extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1282extern int __nouveau_fence_flush(void *obj, void *arg);
1283extern void __nouveau_fence_unref(void **obj);
1284extern void *__nouveau_fence_ref(void *obj);
1285
1286static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1287{
1288	return __nouveau_fence_signalled(obj, NULL);
1289}
1290static inline int
1291nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1292{
1293	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1294}
1295extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1296static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1297{
1298	return __nouveau_fence_flush(obj, NULL);
1299}
1300static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1301{
1302	__nouveau_fence_unref((void **)obj);
1303}
1304static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1305{
1306	return __nouveau_fence_ref(obj);
1307}
1308
1309/* nouveau_gem.c */
1310extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1311			   int size, int align, uint32_t domain,
1312			   uint32_t tile_mode, uint32_t tile_flags,
1313			   struct nouveau_bo **);
1314extern int nouveau_gem_object_new(struct drm_gem_object *);
1315extern void nouveau_gem_object_del(struct drm_gem_object *);
1316extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1317				 struct drm_file *);
1318extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1319				     struct drm_file *);
1320extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1321				      struct drm_file *);
1322extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1323				      struct drm_file *);
1324extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1325				  struct drm_file *);
1326
1327/* nouveau_display.c */
1328int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1329void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1330int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1331			   struct drm_pending_vblank_event *event);
1332int nouveau_finish_page_flip(struct nouveau_channel *,
1333			     struct nouveau_page_flip_state *);
1334
1335/* nv10_gpio.c */
1336int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1337int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1338
1339/* nv50_gpio.c */
1340int nv50_gpio_init(struct drm_device *dev);
1341void nv50_gpio_fini(struct drm_device *dev);
1342int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1343int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1344int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1345			    void (*)(void *, int), void *);
1346void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1347			      void (*)(void *, int), void *);
1348bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1349
1350/* nv50_calc. */
1351int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1352		  int *N1, int *M1, int *N2, int *M2, int *P);
1353int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1354		   int clk, int *N, int *fN, int *M, int *P);
1355
1356#ifndef ioread32_native
1357#ifdef __BIG_ENDIAN
1358#define ioread16_native ioread16be
1359#define iowrite16_native iowrite16be
1360#define ioread32_native  ioread32be
1361#define iowrite32_native iowrite32be
1362#else /* def __BIG_ENDIAN */
1363#define ioread16_native ioread16
1364#define iowrite16_native iowrite16
1365#define ioread32_native  ioread32
1366#define iowrite32_native iowrite32
1367#endif /* def __BIG_ENDIAN else */
1368#endif /* !ioread32_native */
1369
1370/* channel control reg access */
1371static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1372{
1373	return ioread32_native(chan->user + reg);
1374}
1375
1376static inline void nvchan_wr32(struct nouveau_channel *chan,
1377							unsigned reg, u32 val)
1378{
1379	iowrite32_native(val, chan->user + reg);
1380}
1381
1382/* register access */
1383static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1384{
1385	struct drm_nouveau_private *dev_priv = dev->dev_private;
1386	return ioread32_native(dev_priv->mmio + reg);
1387}
1388
1389static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1390{
1391	struct drm_nouveau_private *dev_priv = dev->dev_private;
1392	iowrite32_native(val, dev_priv->mmio + reg);
1393}
1394
1395static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1396{
1397	u32 tmp = nv_rd32(dev, reg);
1398	nv_wr32(dev, reg, (tmp & ~mask) | val);
1399	return tmp;
1400}
1401
1402static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1403{
1404	struct drm_nouveau_private *dev_priv = dev->dev_private;
1405	return ioread8(dev_priv->mmio + reg);
1406}
1407
1408static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1409{
1410	struct drm_nouveau_private *dev_priv = dev->dev_private;
1411	iowrite8(val, dev_priv->mmio + reg);
1412}
1413
1414#define nv_wait(dev, reg, mask, val) \
1415	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1416#define nv_wait_ne(dev, reg, mask, val) \
1417	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1418
1419/* PRAMIN access */
1420static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1421{
1422	struct drm_nouveau_private *dev_priv = dev->dev_private;
1423	return ioread32_native(dev_priv->ramin + offset);
1424}
1425
1426static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1427{
1428	struct drm_nouveau_private *dev_priv = dev->dev_private;
1429	iowrite32_native(val, dev_priv->ramin + offset);
1430}
1431
1432/* object access */
1433extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1434extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1435
1436/*
1437 * Logging
1438 * Argument d is (struct drm_device *).
1439 */
1440#define NV_PRINTK(level, d, fmt, arg...) \
1441	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1442					pci_name(d->pdev), ##arg)
1443#ifndef NV_DEBUG_NOTRACE
1444#define NV_DEBUG(d, fmt, arg...) do {                                          \
1445	if (drm_debug & DRM_UT_DRIVER) {                                       \
1446		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1447			  __LINE__, ##arg);                                    \
1448	}                                                                      \
1449} while (0)
1450#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1451	if (drm_debug & DRM_UT_KMS) {                                          \
1452		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1453			  __LINE__, ##arg);                                    \
1454	}                                                                      \
1455} while (0)
1456#else
1457#define NV_DEBUG(d, fmt, arg...) do {                                          \
1458	if (drm_debug & DRM_UT_DRIVER)                                         \
1459		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1460} while (0)
1461#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1462	if (drm_debug & DRM_UT_KMS)                                            \
1463		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1464} while (0)
1465#endif
1466#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1467#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1468#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1469#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1470#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1471
1472/* nouveau_reg_debug bitmask */
1473enum {
1474	NOUVEAU_REG_DEBUG_MC             = 0x1,
1475	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1476	NOUVEAU_REG_DEBUG_FB             = 0x4,
1477	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1478	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1479	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1480	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1481	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1482	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1483	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1484};
1485
1486#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1487	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1488		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1489} while (0)
1490
1491static inline bool
1492nv_two_heads(struct drm_device *dev)
1493{
1494	struct drm_nouveau_private *dev_priv = dev->dev_private;
1495	const int impl = dev->pci_device & 0x0ff0;
1496
1497	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1498	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1499		return true;
1500
1501	return false;
1502}
1503
1504static inline bool
1505nv_gf4_disp_arch(struct drm_device *dev)
1506{
1507	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1508}
1509
1510static inline bool
1511nv_two_reg_pll(struct drm_device *dev)
1512{
1513	struct drm_nouveau_private *dev_priv = dev->dev_private;
1514	const int impl = dev->pci_device & 0x0ff0;
1515
1516	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1517		return true;
1518	return false;
1519}
1520
1521static inline bool
1522nv_match_device(struct drm_device *dev, unsigned device,
1523		unsigned sub_vendor, unsigned sub_device)
1524{
1525	return dev->pdev->device == device &&
1526		dev->pdev->subsystem_vendor == sub_vendor &&
1527		dev->pdev->subsystem_device == sub_device;
1528}
1529
1530static inline void *
1531nv_engine(struct drm_device *dev, int engine)
1532{
1533	struct drm_nouveau_private *dev_priv = dev->dev_private;
1534	return (void *)dev_priv->eng[engine];
1535}
1536
1537/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1538 * helpful to determine a number of other hardware features
1539 */
1540static inline int
1541nv44_graph_class(struct drm_device *dev)
1542{
1543	struct drm_nouveau_private *dev_priv = dev->dev_private;
1544
1545	if ((dev_priv->chipset & 0xf0) == 0x60)
1546		return 1;
1547
1548	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1549}
1550
1551/* memory type/access flags, do not match hardware values */
1552#define NV_MEM_ACCESS_RO  1
1553#define NV_MEM_ACCESS_WO  2
1554#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1555#define NV_MEM_ACCESS_SYS 4
1556#define NV_MEM_ACCESS_VM  8
1557
1558#define NV_MEM_TARGET_VRAM        0
1559#define NV_MEM_TARGET_PCI         1
1560#define NV_MEM_TARGET_PCI_NOSNOOP 2
1561#define NV_MEM_TARGET_VM          3
1562#define NV_MEM_TARGET_GART        4
1563
1564#define NV_MEM_TYPE_VM 0x7f
1565#define NV_MEM_COMP_VM 0x03
1566
1567/* NV_SW object class */
1568#define NV_SW                                                        0x0000506e
1569#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1570#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1571#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1572#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1573#define NV_SW_YIELD                                                  0x00000080
1574#define NV_SW_DMA_VBLSEM                                             0x0000018c
1575#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1576#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1577#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1578#define NV_SW_PAGE_FLIP                                              0x00000500
1579
1580#endif /* __NOUVEAU_DRV_H__ */
1581