nouveau_drv.h revision 8f7286f8e4e80f7b868ba3d117ae900f0d207cbe
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_PPP	2
154#define NVOBJ_ENGINE_COPY	3
155#define NVOBJ_ENGINE_VP		4
156#define NVOBJ_ENGINE_CRYPT      5
157#define NVOBJ_ENGINE_BSP	6
158#define NVOBJ_ENGINE_DISPLAY	0xcafe0001
159#define NVOBJ_ENGINE_INT	0xdeadbeef
160
161#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
162#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
163#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
164#define NVOBJ_FLAG_VM			(1 << 3)
165#define NVOBJ_FLAG_VM_USER		(1 << 4)
166
167#define NVOBJ_CINST_GLOBAL	0xdeadbeef
168
169struct nouveau_gpuobj {
170	struct drm_device *dev;
171	struct kref refcount;
172	struct list_head list;
173
174	void *node;
175	u32 *suspend;
176
177	uint32_t flags;
178
179	u32 size;
180	u32 pinst;
181	u32 cinst;
182	u64 vinst;
183
184	uint32_t engine;
185	uint32_t class;
186
187	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
188	void *priv;
189};
190
191struct nouveau_page_flip_state {
192	struct list_head head;
193	struct drm_pending_vblank_event *event;
194	int crtc, bpp, pitch, x, y;
195	uint64_t offset;
196};
197
198enum nouveau_channel_mutex_class {
199	NOUVEAU_UCHANNEL_MUTEX,
200	NOUVEAU_KCHANNEL_MUTEX
201};
202
203struct nouveau_channel {
204	struct drm_device *dev;
205	int id;
206
207	/* references to the channel data structure */
208	struct kref ref;
209	/* users of the hardware channel resources, the hardware
210	 * context will be kicked off when it reaches zero. */
211	atomic_t users;
212	struct mutex mutex;
213
214	/* owner of this fifo */
215	struct drm_file *file_priv;
216	/* mapping of the fifo itself */
217	struct drm_local_map *map;
218
219	/* mapping of the regs controling the fifo */
220	void __iomem *user;
221	uint32_t user_get;
222	uint32_t user_put;
223
224	/* Fencing */
225	struct {
226		/* lock protects the pending list only */
227		spinlock_t lock;
228		struct list_head pending;
229		uint32_t sequence;
230		uint32_t sequence_ack;
231		atomic_t last_sequence_irq;
232	} fence;
233
234	/* DMA push buffer */
235	struct nouveau_gpuobj *pushbuf;
236	struct nouveau_bo     *pushbuf_bo;
237	uint32_t               pushbuf_base;
238
239	/* Notifier memory */
240	struct nouveau_bo *notifier_bo;
241	struct drm_mm notifier_heap;
242
243	/* PFIFO context */
244	struct nouveau_gpuobj *ramfc;
245	struct nouveau_gpuobj *cache;
246	void *fifo_priv;
247
248	/* PGRAPH context */
249	/* XXX may be merge 2 pointers as private data ??? */
250	struct nouveau_gpuobj *ramin_grctx;
251	struct nouveau_gpuobj *crypt_ctx;
252	void *pgraph_ctx;
253
254	/* NV50 VM */
255	struct nouveau_vm     *vm;
256	struct nouveau_gpuobj *vm_pd;
257
258	/* Objects */
259	struct nouveau_gpuobj *ramin; /* Private instmem */
260	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
261	struct nouveau_ramht  *ramht; /* Hash table */
262
263	/* GPU object info for stuff used in-kernel (mm_enabled) */
264	uint32_t m2mf_ntfy;
265	uint32_t vram_handle;
266	uint32_t gart_handle;
267	bool accel_done;
268
269	/* Push buffer state (only for drm's channel on !mm_enabled) */
270	struct {
271		int max;
272		int free;
273		int cur;
274		int put;
275		/* access via pushbuf_bo */
276
277		int ib_base;
278		int ib_max;
279		int ib_free;
280		int ib_put;
281	} dma;
282
283	uint32_t sw_subchannel[8];
284
285	struct {
286		struct nouveau_gpuobj *vblsem;
287		uint32_t vblsem_head;
288		uint32_t vblsem_offset;
289		uint32_t vblsem_rval;
290		struct list_head vbl_wait;
291		struct list_head flip;
292	} nvsw;
293
294	struct {
295		bool active;
296		char name[32];
297		struct drm_info_list info;
298	} debugfs;
299};
300
301struct nouveau_instmem_engine {
302	void	*priv;
303
304	int	(*init)(struct drm_device *dev);
305	void	(*takedown)(struct drm_device *dev);
306	int	(*suspend)(struct drm_device *dev);
307	void	(*resume)(struct drm_device *dev);
308
309	int	(*get)(struct nouveau_gpuobj *, u32 size, u32 align);
310	void	(*put)(struct nouveau_gpuobj *);
311	int	(*map)(struct nouveau_gpuobj *);
312	void	(*unmap)(struct nouveau_gpuobj *);
313
314	void	(*flush)(struct drm_device *);
315};
316
317struct nouveau_mc_engine {
318	int  (*init)(struct drm_device *dev);
319	void (*takedown)(struct drm_device *dev);
320};
321
322struct nouveau_timer_engine {
323	int      (*init)(struct drm_device *dev);
324	void     (*takedown)(struct drm_device *dev);
325	uint64_t (*read)(struct drm_device *dev);
326};
327
328struct nouveau_fb_engine {
329	int num_tiles;
330	struct drm_mm tag_heap;
331	void *priv;
332
333	int  (*init)(struct drm_device *dev);
334	void (*takedown)(struct drm_device *dev);
335
336	void (*init_tile_region)(struct drm_device *dev, int i,
337				 uint32_t addr, uint32_t size,
338				 uint32_t pitch, uint32_t flags);
339	void (*set_tile_region)(struct drm_device *dev, int i);
340	void (*free_tile_region)(struct drm_device *dev, int i);
341};
342
343struct nouveau_fifo_engine {
344	void *priv;
345	int  channels;
346
347	struct nouveau_gpuobj *playlist[2];
348	int cur_playlist;
349
350	int  (*init)(struct drm_device *);
351	void (*takedown)(struct drm_device *);
352
353	void (*disable)(struct drm_device *);
354	void (*enable)(struct drm_device *);
355	bool (*reassign)(struct drm_device *, bool enable);
356	bool (*cache_pull)(struct drm_device *dev, bool enable);
357
358	int  (*channel_id)(struct drm_device *);
359
360	int  (*create_context)(struct nouveau_channel *);
361	void (*destroy_context)(struct nouveau_channel *);
362	int  (*load_context)(struct nouveau_channel *);
363	int  (*unload_context)(struct drm_device *);
364	void (*tlb_flush)(struct drm_device *dev);
365};
366
367struct nouveau_pgraph_engine {
368	bool accel_blocked;
369	bool registered;
370	int grctx_size;
371	void *priv;
372
373	/* NV2x/NV3x context table (0x400780) */
374	struct nouveau_gpuobj *ctx_table;
375
376	int  (*init)(struct drm_device *);
377	void (*takedown)(struct drm_device *);
378
379	void (*fifo_access)(struct drm_device *, bool);
380
381	struct nouveau_channel *(*channel)(struct drm_device *);
382	int  (*create_context)(struct nouveau_channel *);
383	void (*destroy_context)(struct nouveau_channel *);
384	int  (*load_context)(struct nouveau_channel *);
385	int  (*unload_context)(struct drm_device *);
386	void (*tlb_flush)(struct drm_device *dev);
387
388	void (*set_tile_region)(struct drm_device *dev, int i);
389};
390
391struct nouveau_display_engine {
392	void *priv;
393	int (*early_init)(struct drm_device *);
394	void (*late_takedown)(struct drm_device *);
395	int (*create)(struct drm_device *);
396	int (*init)(struct drm_device *);
397	void (*destroy)(struct drm_device *);
398};
399
400struct nouveau_gpio_engine {
401	void *priv;
402
403	int  (*init)(struct drm_device *);
404	void (*takedown)(struct drm_device *);
405
406	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
407	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
408
409	int  (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
410			     void (*)(void *, int), void *);
411	void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
412			       void (*)(void *, int), void *);
413	bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
414};
415
416struct nouveau_pm_voltage_level {
417	u8 voltage;
418	u8 vid;
419};
420
421struct nouveau_pm_voltage {
422	bool supported;
423	u8 vid_mask;
424
425	struct nouveau_pm_voltage_level *level;
426	int nr_level;
427};
428
429#define NOUVEAU_PM_MAX_LEVEL 8
430struct nouveau_pm_level {
431	struct device_attribute dev_attr;
432	char name[32];
433	int id;
434
435	u32 core;
436	u32 memory;
437	u32 shader;
438	u32 unk05;
439
440	u8 voltage;
441	u8 fanspeed;
442
443	u16 memscript;
444};
445
446struct nouveau_pm_temp_sensor_constants {
447	u16 offset_constant;
448	s16 offset_mult;
449	u16 offset_div;
450	u16 slope_mult;
451	u16 slope_div;
452};
453
454struct nouveau_pm_threshold_temp {
455	s16 critical;
456	s16 down_clock;
457	s16 fan_boost;
458};
459
460struct nouveau_pm_memtiming {
461	u32 reg_100220;
462	u32 reg_100224;
463	u32 reg_100228;
464	u32 reg_10022c;
465	u32 reg_100230;
466	u32 reg_100234;
467	u32 reg_100238;
468	u32 reg_10023c;
469};
470
471struct nouveau_pm_memtimings {
472	bool supported;
473	struct nouveau_pm_memtiming *timing;
474	int nr_timing;
475};
476
477struct nouveau_pm_engine {
478	struct nouveau_pm_voltage voltage;
479	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
480	int nr_perflvl;
481	struct nouveau_pm_memtimings memtimings;
482	struct nouveau_pm_temp_sensor_constants sensor_constants;
483	struct nouveau_pm_threshold_temp threshold_temp;
484
485	struct nouveau_pm_level boot;
486	struct nouveau_pm_level *cur;
487
488	struct device *hwmon;
489	struct notifier_block acpi_nb;
490
491	int (*clock_get)(struct drm_device *, u32 id);
492	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
493			   u32 id, int khz);
494	void (*clock_set)(struct drm_device *, void *);
495	int (*voltage_get)(struct drm_device *);
496	int (*voltage_set)(struct drm_device *, int voltage);
497	int (*fanspeed_get)(struct drm_device *);
498	int (*fanspeed_set)(struct drm_device *, int fanspeed);
499	int (*temp_get)(struct drm_device *);
500};
501
502struct nouveau_crypt_engine {
503	bool registered;
504
505	int  (*init)(struct drm_device *);
506	void (*takedown)(struct drm_device *);
507	int  (*create_context)(struct nouveau_channel *);
508	void (*destroy_context)(struct nouveau_channel *);
509	void (*tlb_flush)(struct drm_device *dev);
510};
511
512struct nouveau_vram_engine {
513	int  (*init)(struct drm_device *);
514	int  (*get)(struct drm_device *, u64, u32 align, u32 size_nc,
515		    u32 type, struct nouveau_mem **);
516	void (*put)(struct drm_device *, struct nouveau_mem **);
517
518	bool (*flags_valid)(struct drm_device *, u32 tile_flags);
519};
520
521struct nouveau_engine {
522	struct nouveau_instmem_engine instmem;
523	struct nouveau_mc_engine      mc;
524	struct nouveau_timer_engine   timer;
525	struct nouveau_fb_engine      fb;
526	struct nouveau_pgraph_engine  graph;
527	struct nouveau_fifo_engine    fifo;
528	struct nouveau_display_engine display;
529	struct nouveau_gpio_engine    gpio;
530	struct nouveau_pm_engine      pm;
531	struct nouveau_crypt_engine   crypt;
532	struct nouveau_vram_engine    vram;
533};
534
535struct nouveau_pll_vals {
536	union {
537		struct {
538#ifdef __BIG_ENDIAN
539			uint8_t N1, M1, N2, M2;
540#else
541			uint8_t M1, N1, M2, N2;
542#endif
543		};
544		struct {
545			uint16_t NM1, NM2;
546		} __attribute__((packed));
547	};
548	int log2P;
549
550	int refclk;
551};
552
553enum nv04_fp_display_regs {
554	FP_DISPLAY_END,
555	FP_TOTAL,
556	FP_CRTC,
557	FP_SYNC_START,
558	FP_SYNC_END,
559	FP_VALID_START,
560	FP_VALID_END
561};
562
563struct nv04_crtc_reg {
564	unsigned char MiscOutReg;
565	uint8_t CRTC[0xa0];
566	uint8_t CR58[0x10];
567	uint8_t Sequencer[5];
568	uint8_t Graphics[9];
569	uint8_t Attribute[21];
570	unsigned char DAC[768];
571
572	/* PCRTC regs */
573	uint32_t fb_start;
574	uint32_t crtc_cfg;
575	uint32_t cursor_cfg;
576	uint32_t gpio_ext;
577	uint32_t crtc_830;
578	uint32_t crtc_834;
579	uint32_t crtc_850;
580	uint32_t crtc_eng_ctrl;
581
582	/* PRAMDAC regs */
583	uint32_t nv10_cursync;
584	struct nouveau_pll_vals pllvals;
585	uint32_t ramdac_gen_ctrl;
586	uint32_t ramdac_630;
587	uint32_t ramdac_634;
588	uint32_t tv_setup;
589	uint32_t tv_vtotal;
590	uint32_t tv_vskew;
591	uint32_t tv_vsync_delay;
592	uint32_t tv_htotal;
593	uint32_t tv_hskew;
594	uint32_t tv_hsync_delay;
595	uint32_t tv_hsync_delay2;
596	uint32_t fp_horiz_regs[7];
597	uint32_t fp_vert_regs[7];
598	uint32_t dither;
599	uint32_t fp_control;
600	uint32_t dither_regs[6];
601	uint32_t fp_debug_0;
602	uint32_t fp_debug_1;
603	uint32_t fp_debug_2;
604	uint32_t fp_margin_color;
605	uint32_t ramdac_8c0;
606	uint32_t ramdac_a20;
607	uint32_t ramdac_a24;
608	uint32_t ramdac_a34;
609	uint32_t ctv_regs[38];
610};
611
612struct nv04_output_reg {
613	uint32_t output;
614	int head;
615};
616
617struct nv04_mode_state {
618	struct nv04_crtc_reg crtc_reg[2];
619	uint32_t pllsel;
620	uint32_t sel_clk;
621};
622
623enum nouveau_card_type {
624	NV_04      = 0x00,
625	NV_10      = 0x10,
626	NV_20      = 0x20,
627	NV_30      = 0x30,
628	NV_40      = 0x40,
629	NV_50      = 0x50,
630	NV_C0      = 0xc0,
631};
632
633struct drm_nouveau_private {
634	struct drm_device *dev;
635
636	/* the card type, takes NV_* as values */
637	enum nouveau_card_type card_type;
638	/* exact chipset, derived from NV_PMC_BOOT_0 */
639	int chipset;
640	int flags;
641
642	void __iomem *mmio;
643
644	spinlock_t ramin_lock;
645	void __iomem *ramin;
646	u32 ramin_size;
647	u32 ramin_base;
648	bool ramin_available;
649	struct drm_mm ramin_heap;
650	struct list_head gpuobj_list;
651	struct list_head classes;
652
653	struct nouveau_bo *vga_ram;
654
655	/* interrupt handling */
656	void (*irq_handler[32])(struct drm_device *);
657	bool msi_enabled;
658
659	struct list_head vbl_waiting;
660
661	struct {
662		struct drm_global_reference mem_global_ref;
663		struct ttm_bo_global_ref bo_global_ref;
664		struct ttm_bo_device bdev;
665		atomic_t validate_sequence;
666	} ttm;
667
668	struct {
669		spinlock_t lock;
670		struct drm_mm heap;
671		struct nouveau_bo *bo;
672	} fence;
673
674	struct {
675		spinlock_t lock;
676		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
677	} channels;
678
679	struct nouveau_engine engine;
680	struct nouveau_channel *channel;
681
682	/* For PFIFO and PGRAPH. */
683	spinlock_t context_switch_lock;
684
685	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
686	struct nouveau_ramht  *ramht;
687	struct nouveau_gpuobj *ramfc;
688	struct nouveau_gpuobj *ramro;
689
690	uint32_t ramin_rsvd_vram;
691
692	struct {
693		enum {
694			NOUVEAU_GART_NONE = 0,
695			NOUVEAU_GART_AGP,	/* AGP */
696			NOUVEAU_GART_PDMA,	/* paged dma object */
697			NOUVEAU_GART_HW		/* on-chip gart/vm */
698		} type;
699		uint64_t aper_base;
700		uint64_t aper_size;
701		uint64_t aper_free;
702
703		struct ttm_backend_func *func;
704
705		struct {
706			struct page *page;
707			dma_addr_t   addr;
708		} dummy;
709
710		struct nouveau_gpuobj *sg_ctxdma;
711	} gart_info;
712
713	/* nv10-nv40 tiling regions */
714	struct {
715		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
716		spinlock_t lock;
717	} tile;
718
719	/* VRAM/fb configuration */
720	uint64_t vram_size;
721	uint64_t vram_sys_base;
722	u32 vram_rblock_size;
723
724	uint64_t fb_phys;
725	uint64_t fb_available_size;
726	uint64_t fb_mappable_pages;
727	uint64_t fb_aper_free;
728	int fb_mtrr;
729
730	/* BAR control (NV50-) */
731	struct nouveau_vm *bar1_vm;
732	struct nouveau_vm *bar3_vm;
733
734	/* G8x/G9x virtual address space */
735	struct nouveau_vm *chan_vm;
736
737	struct nvbios vbios;
738
739	struct nv04_mode_state mode_reg;
740	struct nv04_mode_state saved_reg;
741	uint32_t saved_vga_font[4][16384];
742	uint32_t crtc_owner;
743	uint32_t dac_users[4];
744
745	struct nouveau_suspend_resume {
746		uint32_t *ramin_copy;
747	} susres;
748
749	struct backlight_device *backlight;
750
751	struct {
752		struct dentry *channel_root;
753	} debugfs;
754
755	struct nouveau_fbdev *nfbdev;
756	struct apertures_struct *apertures;
757
758	bool powered_down;
759};
760
761static inline struct drm_nouveau_private *
762nouveau_private(struct drm_device *dev)
763{
764	return dev->dev_private;
765}
766
767static inline struct drm_nouveau_private *
768nouveau_bdev(struct ttm_bo_device *bd)
769{
770	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
771}
772
773static inline int
774nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
775{
776	struct nouveau_bo *prev;
777
778	if (!pnvbo)
779		return -EINVAL;
780	prev = *pnvbo;
781
782	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
783	if (prev) {
784		struct ttm_buffer_object *bo = &prev->bo;
785
786		ttm_bo_unref(&bo);
787	}
788
789	return 0;
790}
791
792/* nouveau_drv.c */
793extern int nouveau_agpmode;
794extern int nouveau_duallink;
795extern int nouveau_uscript_lvds;
796extern int nouveau_uscript_tmds;
797extern int nouveau_vram_pushbuf;
798extern int nouveau_vram_notify;
799extern int nouveau_fbpercrtc;
800extern int nouveau_tv_disable;
801extern char *nouveau_tv_norm;
802extern int nouveau_reg_debug;
803extern char *nouveau_vbios;
804extern int nouveau_ignorelid;
805extern int nouveau_nofbaccel;
806extern int nouveau_noaccel;
807extern int nouveau_force_post;
808extern int nouveau_override_conntype;
809extern char *nouveau_perflvl;
810extern int nouveau_perflvl_wr;
811extern int nouveau_msi;
812
813extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
814extern int nouveau_pci_resume(struct pci_dev *pdev);
815
816/* nouveau_state.c */
817extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
818extern int  nouveau_load(struct drm_device *, unsigned long flags);
819extern int  nouveau_firstopen(struct drm_device *);
820extern void nouveau_lastclose(struct drm_device *);
821extern int  nouveau_unload(struct drm_device *);
822extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
823				   struct drm_file *);
824extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
825				   struct drm_file *);
826extern bool nouveau_wait_eq(struct drm_device *, uint64_t timeout,
827			    uint32_t reg, uint32_t mask, uint32_t val);
828extern bool nouveau_wait_ne(struct drm_device *, uint64_t timeout,
829			    uint32_t reg, uint32_t mask, uint32_t val);
830extern bool nouveau_wait_for_idle(struct drm_device *);
831extern int  nouveau_card_init(struct drm_device *);
832
833/* nouveau_mem.c */
834extern int  nouveau_mem_vram_init(struct drm_device *);
835extern void nouveau_mem_vram_fini(struct drm_device *);
836extern int  nouveau_mem_gart_init(struct drm_device *);
837extern void nouveau_mem_gart_fini(struct drm_device *);
838extern int  nouveau_mem_init_agp(struct drm_device *);
839extern int  nouveau_mem_reset_agp(struct drm_device *);
840extern void nouveau_mem_close(struct drm_device *);
841extern int  nouveau_mem_detect(struct drm_device *);
842extern bool nouveau_mem_flags_valid(struct drm_device *, u32 tile_flags);
843extern struct nouveau_tile_reg *nv10_mem_set_tiling(
844	struct drm_device *dev, uint32_t addr, uint32_t size,
845	uint32_t pitch, uint32_t flags);
846extern void nv10_mem_put_tile_region(struct drm_device *dev,
847				     struct nouveau_tile_reg *tile,
848				     struct nouveau_fence *fence);
849extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
850extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
851
852/* nouveau_notifier.c */
853extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
854extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
855extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
856				   int cout, uint32_t *offset);
857extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
858extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
859					 struct drm_file *);
860extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
861					struct drm_file *);
862
863/* nouveau_channel.c */
864extern struct drm_ioctl_desc nouveau_ioctls[];
865extern int nouveau_max_ioctl;
866extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
867extern int  nouveau_channel_alloc(struct drm_device *dev,
868				  struct nouveau_channel **chan,
869				  struct drm_file *file_priv,
870				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
871extern struct nouveau_channel *
872nouveau_channel_get_unlocked(struct nouveau_channel *);
873extern struct nouveau_channel *
874nouveau_channel_get(struct drm_device *, struct drm_file *, int id);
875extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
876extern void nouveau_channel_put(struct nouveau_channel **);
877extern void nouveau_channel_ref(struct nouveau_channel *chan,
878				struct nouveau_channel **pchan);
879extern void nouveau_channel_idle(struct nouveau_channel *chan);
880
881/* nouveau_object.c */
882#define NVOBJ_CLASS(d,c,e) do {                                                \
883	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
884	if (ret)                                                               \
885		return ret;                                                    \
886} while(0)
887
888#define NVOBJ_MTHD(d,c,m,e) do {                                               \
889	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
890	if (ret)                                                               \
891		return ret;                                                    \
892} while(0)
893
894extern int  nouveau_gpuobj_early_init(struct drm_device *);
895extern int  nouveau_gpuobj_init(struct drm_device *);
896extern void nouveau_gpuobj_takedown(struct drm_device *);
897extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
898extern void nouveau_gpuobj_resume(struct drm_device *dev);
899extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
900extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
901				    int (*exec)(struct nouveau_channel *,
902					        u32 class, u32 mthd, u32 data));
903extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
904extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
905extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
906				       uint32_t vram_h, uint32_t tt_h);
907extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
908extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
909			      uint32_t size, int align, uint32_t flags,
910			      struct nouveau_gpuobj **);
911extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
912			       struct nouveau_gpuobj **);
913extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
914				   u32 size, u32 flags,
915				   struct nouveau_gpuobj **);
916extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
917				  uint64_t offset, uint64_t size, int access,
918				  int target, struct nouveau_gpuobj **);
919extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, u32 handle, int class);
920extern int nv50_gpuobj_dma_new(struct nouveau_channel *, int class, u64 base,
921			       u64 size, int target, int access, u32 type,
922			       u32 comp, struct nouveau_gpuobj **pobj);
923extern void nv50_gpuobj_dma_init(struct nouveau_gpuobj *, u32 offset,
924				 int class, u64 base, u64 size, int target,
925				 int access, u32 type, u32 comp);
926extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
927				     struct drm_file *);
928extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
929				     struct drm_file *);
930
931/* nouveau_irq.c */
932extern int         nouveau_irq_init(struct drm_device *);
933extern void        nouveau_irq_fini(struct drm_device *);
934extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
935extern void        nouveau_irq_register(struct drm_device *, int status_bit,
936					void (*)(struct drm_device *));
937extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
938extern void        nouveau_irq_preinstall(struct drm_device *);
939extern int         nouveau_irq_postinstall(struct drm_device *);
940extern void        nouveau_irq_uninstall(struct drm_device *);
941
942/* nouveau_sgdma.c */
943extern int nouveau_sgdma_init(struct drm_device *);
944extern void nouveau_sgdma_takedown(struct drm_device *);
945extern uint32_t nouveau_sgdma_get_physical(struct drm_device *,
946					   uint32_t offset);
947extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
948
949/* nouveau_debugfs.c */
950#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
951extern int  nouveau_debugfs_init(struct drm_minor *);
952extern void nouveau_debugfs_takedown(struct drm_minor *);
953extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
954extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
955#else
956static inline int
957nouveau_debugfs_init(struct drm_minor *minor)
958{
959	return 0;
960}
961
962static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
963{
964}
965
966static inline int
967nouveau_debugfs_channel_init(struct nouveau_channel *chan)
968{
969	return 0;
970}
971
972static inline void
973nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
974{
975}
976#endif
977
978/* nouveau_dma.c */
979extern void nouveau_dma_pre_init(struct nouveau_channel *);
980extern int  nouveau_dma_init(struct nouveau_channel *);
981extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
982
983/* nouveau_acpi.c */
984#define ROM_BIOS_PAGE 4096
985#if defined(CONFIG_ACPI)
986void nouveau_register_dsm_handler(void);
987void nouveau_unregister_dsm_handler(void);
988int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
989bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
990int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
991#else
992static inline void nouveau_register_dsm_handler(void) {}
993static inline void nouveau_unregister_dsm_handler(void) {}
994static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
995static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
996static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
997#endif
998
999/* nouveau_backlight.c */
1000#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
1001extern int nouveau_backlight_init(struct drm_device *);
1002extern void nouveau_backlight_exit(struct drm_device *);
1003#else
1004static inline int nouveau_backlight_init(struct drm_device *dev)
1005{
1006	return 0;
1007}
1008
1009static inline void nouveau_backlight_exit(struct drm_device *dev) { }
1010#endif
1011
1012/* nouveau_bios.c */
1013extern int nouveau_bios_init(struct drm_device *);
1014extern void nouveau_bios_takedown(struct drm_device *dev);
1015extern int nouveau_run_vbios_init(struct drm_device *);
1016extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
1017					struct dcb_entry *);
1018extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
1019						      enum dcb_gpio_tag);
1020extern struct dcb_connector_table_entry *
1021nouveau_bios_connector_entry(struct drm_device *, int index);
1022extern u32 get_pll_register(struct drm_device *, enum pll_types);
1023extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
1024			  struct pll_lims *);
1025extern int nouveau_bios_run_display_table(struct drm_device *,
1026					  struct dcb_entry *,
1027					  uint32_t script, int pxclk);
1028extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1029				   int *length);
1030extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1031extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1032extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1033					 bool *dl, bool *if_is_24bit);
1034extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1035			  int head, int pxclk);
1036extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1037			    enum LVDS_script, int pxclk);
1038
1039/* nouveau_ttm.c */
1040int nouveau_ttm_global_init(struct drm_nouveau_private *);
1041void nouveau_ttm_global_release(struct drm_nouveau_private *);
1042int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1043
1044/* nouveau_dp.c */
1045int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1046		     uint8_t *data, int data_nr);
1047bool nouveau_dp_detect(struct drm_encoder *);
1048bool nouveau_dp_link_train(struct drm_encoder *);
1049
1050/* nv04_fb.c */
1051extern int  nv04_fb_init(struct drm_device *);
1052extern void nv04_fb_takedown(struct drm_device *);
1053
1054/* nv10_fb.c */
1055extern int  nv10_fb_init(struct drm_device *);
1056extern void nv10_fb_takedown(struct drm_device *);
1057extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1058				     uint32_t addr, uint32_t size,
1059				     uint32_t pitch, uint32_t flags);
1060extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1061extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1062
1063/* nv30_fb.c */
1064extern int  nv30_fb_init(struct drm_device *);
1065extern void nv30_fb_takedown(struct drm_device *);
1066extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1067				     uint32_t addr, uint32_t size,
1068				     uint32_t pitch, uint32_t flags);
1069extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1070
1071/* nv40_fb.c */
1072extern int  nv40_fb_init(struct drm_device *);
1073extern void nv40_fb_takedown(struct drm_device *);
1074extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1075
1076/* nv50_fb.c */
1077extern int  nv50_fb_init(struct drm_device *);
1078extern void nv50_fb_takedown(struct drm_device *);
1079extern void nv50_fb_vm_trap(struct drm_device *, int display, const char *);
1080
1081/* nvc0_fb.c */
1082extern int  nvc0_fb_init(struct drm_device *);
1083extern void nvc0_fb_takedown(struct drm_device *);
1084
1085/* nv04_fifo.c */
1086extern int  nv04_fifo_init(struct drm_device *);
1087extern void nv04_fifo_fini(struct drm_device *);
1088extern void nv04_fifo_disable(struct drm_device *);
1089extern void nv04_fifo_enable(struct drm_device *);
1090extern bool nv04_fifo_reassign(struct drm_device *, bool);
1091extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1092extern int  nv04_fifo_channel_id(struct drm_device *);
1093extern int  nv04_fifo_create_context(struct nouveau_channel *);
1094extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1095extern int  nv04_fifo_load_context(struct nouveau_channel *);
1096extern int  nv04_fifo_unload_context(struct drm_device *);
1097extern void nv04_fifo_isr(struct drm_device *);
1098
1099/* nv10_fifo.c */
1100extern int  nv10_fifo_init(struct drm_device *);
1101extern int  nv10_fifo_channel_id(struct drm_device *);
1102extern int  nv10_fifo_create_context(struct nouveau_channel *);
1103extern int  nv10_fifo_load_context(struct nouveau_channel *);
1104extern int  nv10_fifo_unload_context(struct drm_device *);
1105
1106/* nv40_fifo.c */
1107extern int  nv40_fifo_init(struct drm_device *);
1108extern int  nv40_fifo_create_context(struct nouveau_channel *);
1109extern int  nv40_fifo_load_context(struct nouveau_channel *);
1110extern int  nv40_fifo_unload_context(struct drm_device *);
1111
1112/* nv50_fifo.c */
1113extern int  nv50_fifo_init(struct drm_device *);
1114extern void nv50_fifo_takedown(struct drm_device *);
1115extern int  nv50_fifo_channel_id(struct drm_device *);
1116extern int  nv50_fifo_create_context(struct nouveau_channel *);
1117extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1118extern int  nv50_fifo_load_context(struct nouveau_channel *);
1119extern int  nv50_fifo_unload_context(struct drm_device *);
1120extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1121
1122/* nvc0_fifo.c */
1123extern int  nvc0_fifo_init(struct drm_device *);
1124extern void nvc0_fifo_takedown(struct drm_device *);
1125extern void nvc0_fifo_disable(struct drm_device *);
1126extern void nvc0_fifo_enable(struct drm_device *);
1127extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1128extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1129extern int  nvc0_fifo_channel_id(struct drm_device *);
1130extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1131extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1132extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1133extern int  nvc0_fifo_unload_context(struct drm_device *);
1134
1135/* nv04_graph.c */
1136extern int  nv04_graph_init(struct drm_device *);
1137extern void nv04_graph_takedown(struct drm_device *);
1138extern void nv04_graph_fifo_access(struct drm_device *, bool);
1139extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
1140extern int  nv04_graph_create_context(struct nouveau_channel *);
1141extern void nv04_graph_destroy_context(struct nouveau_channel *);
1142extern int  nv04_graph_load_context(struct nouveau_channel *);
1143extern int  nv04_graph_unload_context(struct drm_device *);
1144extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1145				      u32 class, u32 mthd, u32 data);
1146extern struct nouveau_bitfield nv04_graph_nsource[];
1147
1148/* nv10_graph.c */
1149extern int  nv10_graph_init(struct drm_device *);
1150extern void nv10_graph_takedown(struct drm_device *);
1151extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1152extern int  nv10_graph_create_context(struct nouveau_channel *);
1153extern void nv10_graph_destroy_context(struct nouveau_channel *);
1154extern int  nv10_graph_load_context(struct nouveau_channel *);
1155extern int  nv10_graph_unload_context(struct drm_device *);
1156extern void nv10_graph_set_tile_region(struct drm_device *dev, int i);
1157extern struct nouveau_bitfield nv10_graph_intr[];
1158extern struct nouveau_bitfield nv10_graph_nstatus[];
1159
1160/* nv20_graph.c */
1161extern int  nv20_graph_create_context(struct nouveau_channel *);
1162extern void nv20_graph_destroy_context(struct nouveau_channel *);
1163extern int  nv20_graph_load_context(struct nouveau_channel *);
1164extern int  nv20_graph_unload_context(struct drm_device *);
1165extern int  nv20_graph_init(struct drm_device *);
1166extern void nv20_graph_takedown(struct drm_device *);
1167extern int  nv30_graph_init(struct drm_device *);
1168extern void nv20_graph_set_tile_region(struct drm_device *dev, int i);
1169
1170/* nv40_graph.c */
1171extern int  nv40_graph_init(struct drm_device *);
1172extern void nv40_graph_takedown(struct drm_device *);
1173extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1174extern int  nv40_graph_create_context(struct nouveau_channel *);
1175extern void nv40_graph_destroy_context(struct nouveau_channel *);
1176extern int  nv40_graph_load_context(struct nouveau_channel *);
1177extern int  nv40_graph_unload_context(struct drm_device *);
1178extern void nv40_grctx_init(struct nouveau_grctx *);
1179extern void nv40_graph_set_tile_region(struct drm_device *dev, int i);
1180
1181/* nv50_graph.c */
1182extern int  nv50_graph_init(struct drm_device *);
1183extern void nv50_graph_takedown(struct drm_device *);
1184extern void nv50_graph_fifo_access(struct drm_device *, bool);
1185extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1186extern int  nv50_graph_create_context(struct nouveau_channel *);
1187extern void nv50_graph_destroy_context(struct nouveau_channel *);
1188extern int  nv50_graph_load_context(struct nouveau_channel *);
1189extern int  nv50_graph_unload_context(struct drm_device *);
1190extern int  nv50_grctx_init(struct nouveau_grctx *);
1191extern void nv50_graph_tlb_flush(struct drm_device *dev);
1192extern void nv86_graph_tlb_flush(struct drm_device *dev);
1193extern struct nouveau_enum nv50_data_error_names[];
1194
1195/* nvc0_graph.c */
1196extern int  nvc0_graph_init(struct drm_device *);
1197extern void nvc0_graph_takedown(struct drm_device *);
1198extern void nvc0_graph_fifo_access(struct drm_device *, bool);
1199extern struct nouveau_channel *nvc0_graph_channel(struct drm_device *);
1200extern int  nvc0_graph_create_context(struct nouveau_channel *);
1201extern void nvc0_graph_destroy_context(struct nouveau_channel *);
1202extern int  nvc0_graph_load_context(struct nouveau_channel *);
1203extern int  nvc0_graph_unload_context(struct drm_device *);
1204
1205/* nv84_crypt.c */
1206extern int  nv84_crypt_init(struct drm_device *dev);
1207extern void nv84_crypt_fini(struct drm_device *dev);
1208extern int  nv84_crypt_create_context(struct nouveau_channel *);
1209extern void nv84_crypt_destroy_context(struct nouveau_channel *);
1210extern void nv84_crypt_tlb_flush(struct drm_device *dev);
1211
1212/* nv04_instmem.c */
1213extern int  nv04_instmem_init(struct drm_device *);
1214extern void nv04_instmem_takedown(struct drm_device *);
1215extern int  nv04_instmem_suspend(struct drm_device *);
1216extern void nv04_instmem_resume(struct drm_device *);
1217extern int  nv04_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1218extern void nv04_instmem_put(struct nouveau_gpuobj *);
1219extern int  nv04_instmem_map(struct nouveau_gpuobj *);
1220extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
1221extern void nv04_instmem_flush(struct drm_device *);
1222
1223/* nv50_instmem.c */
1224extern int  nv50_instmem_init(struct drm_device *);
1225extern void nv50_instmem_takedown(struct drm_device *);
1226extern int  nv50_instmem_suspend(struct drm_device *);
1227extern void nv50_instmem_resume(struct drm_device *);
1228extern int  nv50_instmem_get(struct nouveau_gpuobj *, u32 size, u32 align);
1229extern void nv50_instmem_put(struct nouveau_gpuobj *);
1230extern int  nv50_instmem_map(struct nouveau_gpuobj *);
1231extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
1232extern void nv50_instmem_flush(struct drm_device *);
1233extern void nv84_instmem_flush(struct drm_device *);
1234
1235/* nvc0_instmem.c */
1236extern int  nvc0_instmem_init(struct drm_device *);
1237extern void nvc0_instmem_takedown(struct drm_device *);
1238extern int  nvc0_instmem_suspend(struct drm_device *);
1239extern void nvc0_instmem_resume(struct drm_device *);
1240
1241/* nv04_mc.c */
1242extern int  nv04_mc_init(struct drm_device *);
1243extern void nv04_mc_takedown(struct drm_device *);
1244
1245/* nv40_mc.c */
1246extern int  nv40_mc_init(struct drm_device *);
1247extern void nv40_mc_takedown(struct drm_device *);
1248
1249/* nv50_mc.c */
1250extern int  nv50_mc_init(struct drm_device *);
1251extern void nv50_mc_takedown(struct drm_device *);
1252
1253/* nv04_timer.c */
1254extern int  nv04_timer_init(struct drm_device *);
1255extern uint64_t nv04_timer_read(struct drm_device *);
1256extern void nv04_timer_takedown(struct drm_device *);
1257
1258extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1259				 unsigned long arg);
1260
1261/* nv04_dac.c */
1262extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1263extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1264extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1265extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1266extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1267
1268/* nv04_dfp.c */
1269extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1270extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1271extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1272			       int head, bool dl);
1273extern void nv04_dfp_disable(struct drm_device *dev, int head);
1274extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1275
1276/* nv04_tv.c */
1277extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1278extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1279
1280/* nv17_tv.c */
1281extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1282
1283/* nv04_display.c */
1284extern int nv04_display_early_init(struct drm_device *);
1285extern void nv04_display_late_takedown(struct drm_device *);
1286extern int nv04_display_create(struct drm_device *);
1287extern int nv04_display_init(struct drm_device *);
1288extern void nv04_display_destroy(struct drm_device *);
1289
1290/* nv04_crtc.c */
1291extern int nv04_crtc_create(struct drm_device *, int index);
1292
1293/* nouveau_bo.c */
1294extern struct ttm_bo_driver nouveau_bo_driver;
1295extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1296			  int size, int align, uint32_t flags,
1297			  uint32_t tile_mode, uint32_t tile_flags,
1298			  struct nouveau_bo **);
1299extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1300extern int nouveau_bo_unpin(struct nouveau_bo *);
1301extern int nouveau_bo_map(struct nouveau_bo *);
1302extern void nouveau_bo_unmap(struct nouveau_bo *);
1303extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1304				     uint32_t busy);
1305extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1306extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1307extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1308extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1309extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1310extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
1311			       bool no_wait_reserve, bool no_wait_gpu);
1312
1313/* nouveau_fence.c */
1314struct nouveau_fence;
1315extern int nouveau_fence_init(struct drm_device *);
1316extern void nouveau_fence_fini(struct drm_device *);
1317extern int nouveau_fence_channel_init(struct nouveau_channel *);
1318extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1319extern void nouveau_fence_update(struct nouveau_channel *);
1320extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1321			     bool emit);
1322extern int nouveau_fence_emit(struct nouveau_fence *);
1323extern void nouveau_fence_work(struct nouveau_fence *fence,
1324			       void (*work)(void *priv, bool signalled),
1325			       void *priv);
1326struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1327
1328extern bool __nouveau_fence_signalled(void *obj, void *arg);
1329extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1330extern int __nouveau_fence_flush(void *obj, void *arg);
1331extern void __nouveau_fence_unref(void **obj);
1332extern void *__nouveau_fence_ref(void *obj);
1333
1334static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1335{
1336	return __nouveau_fence_signalled(obj, NULL);
1337}
1338static inline int
1339nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1340{
1341	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1342}
1343extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1344static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1345{
1346	return __nouveau_fence_flush(obj, NULL);
1347}
1348static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1349{
1350	__nouveau_fence_unref((void **)obj);
1351}
1352static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1353{
1354	return __nouveau_fence_ref(obj);
1355}
1356
1357/* nouveau_gem.c */
1358extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1359			   int size, int align, uint32_t domain,
1360			   uint32_t tile_mode, uint32_t tile_flags,
1361			   struct nouveau_bo **);
1362extern int nouveau_gem_object_new(struct drm_gem_object *);
1363extern void nouveau_gem_object_del(struct drm_gem_object *);
1364extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1365				 struct drm_file *);
1366extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1367				     struct drm_file *);
1368extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1369				      struct drm_file *);
1370extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1371				      struct drm_file *);
1372extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1373				  struct drm_file *);
1374
1375/* nouveau_display.c */
1376int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1377void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1378int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1379			   struct drm_pending_vblank_event *event);
1380int nouveau_finish_page_flip(struct nouveau_channel *,
1381			     struct nouveau_page_flip_state *);
1382
1383/* nv10_gpio.c */
1384int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1385int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1386
1387/* nv50_gpio.c */
1388int nv50_gpio_init(struct drm_device *dev);
1389void nv50_gpio_fini(struct drm_device *dev);
1390int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1391int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1392int  nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
1393			    void (*)(void *, int), void *);
1394void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
1395			      void (*)(void *, int), void *);
1396bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1397
1398/* nv50_calc. */
1399int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1400		  int *N1, int *M1, int *N2, int *M2, int *P);
1401int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1402		   int clk, int *N, int *fN, int *M, int *P);
1403
1404#ifndef ioread32_native
1405#ifdef __BIG_ENDIAN
1406#define ioread16_native ioread16be
1407#define iowrite16_native iowrite16be
1408#define ioread32_native  ioread32be
1409#define iowrite32_native iowrite32be
1410#else /* def __BIG_ENDIAN */
1411#define ioread16_native ioread16
1412#define iowrite16_native iowrite16
1413#define ioread32_native  ioread32
1414#define iowrite32_native iowrite32
1415#endif /* def __BIG_ENDIAN else */
1416#endif /* !ioread32_native */
1417
1418/* channel control reg access */
1419static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1420{
1421	return ioread32_native(chan->user + reg);
1422}
1423
1424static inline void nvchan_wr32(struct nouveau_channel *chan,
1425							unsigned reg, u32 val)
1426{
1427	iowrite32_native(val, chan->user + reg);
1428}
1429
1430/* register access */
1431static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1432{
1433	struct drm_nouveau_private *dev_priv = dev->dev_private;
1434	return ioread32_native(dev_priv->mmio + reg);
1435}
1436
1437static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1438{
1439	struct drm_nouveau_private *dev_priv = dev->dev_private;
1440	iowrite32_native(val, dev_priv->mmio + reg);
1441}
1442
1443static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1444{
1445	u32 tmp = nv_rd32(dev, reg);
1446	nv_wr32(dev, reg, (tmp & ~mask) | val);
1447	return tmp;
1448}
1449
1450static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1451{
1452	struct drm_nouveau_private *dev_priv = dev->dev_private;
1453	return ioread8(dev_priv->mmio + reg);
1454}
1455
1456static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1457{
1458	struct drm_nouveau_private *dev_priv = dev->dev_private;
1459	iowrite8(val, dev_priv->mmio + reg);
1460}
1461
1462#define nv_wait(dev, reg, mask, val) \
1463	nouveau_wait_eq(dev, 2000000000ULL, (reg), (mask), (val))
1464#define nv_wait_ne(dev, reg, mask, val) \
1465	nouveau_wait_ne(dev, 2000000000ULL, (reg), (mask), (val))
1466
1467/* PRAMIN access */
1468static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1469{
1470	struct drm_nouveau_private *dev_priv = dev->dev_private;
1471	return ioread32_native(dev_priv->ramin + offset);
1472}
1473
1474static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1475{
1476	struct drm_nouveau_private *dev_priv = dev->dev_private;
1477	iowrite32_native(val, dev_priv->ramin + offset);
1478}
1479
1480/* object access */
1481extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1482extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1483
1484/*
1485 * Logging
1486 * Argument d is (struct drm_device *).
1487 */
1488#define NV_PRINTK(level, d, fmt, arg...) \
1489	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1490					pci_name(d->pdev), ##arg)
1491#ifndef NV_DEBUG_NOTRACE
1492#define NV_DEBUG(d, fmt, arg...) do {                                          \
1493	if (drm_debug & DRM_UT_DRIVER) {                                       \
1494		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1495			  __LINE__, ##arg);                                    \
1496	}                                                                      \
1497} while (0)
1498#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1499	if (drm_debug & DRM_UT_KMS) {                                          \
1500		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1501			  __LINE__, ##arg);                                    \
1502	}                                                                      \
1503} while (0)
1504#else
1505#define NV_DEBUG(d, fmt, arg...) do {                                          \
1506	if (drm_debug & DRM_UT_DRIVER)                                         \
1507		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1508} while (0)
1509#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1510	if (drm_debug & DRM_UT_KMS)                                            \
1511		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1512} while (0)
1513#endif
1514#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1515#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1516#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1517#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1518#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1519
1520/* nouveau_reg_debug bitmask */
1521enum {
1522	NOUVEAU_REG_DEBUG_MC             = 0x1,
1523	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1524	NOUVEAU_REG_DEBUG_FB             = 0x4,
1525	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1526	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1527	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1528	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1529	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1530	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1531	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1532};
1533
1534#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1535	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1536		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1537} while (0)
1538
1539static inline bool
1540nv_two_heads(struct drm_device *dev)
1541{
1542	struct drm_nouveau_private *dev_priv = dev->dev_private;
1543	const int impl = dev->pci_device & 0x0ff0;
1544
1545	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1546	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1547		return true;
1548
1549	return false;
1550}
1551
1552static inline bool
1553nv_gf4_disp_arch(struct drm_device *dev)
1554{
1555	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1556}
1557
1558static inline bool
1559nv_two_reg_pll(struct drm_device *dev)
1560{
1561	struct drm_nouveau_private *dev_priv = dev->dev_private;
1562	const int impl = dev->pci_device & 0x0ff0;
1563
1564	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1565		return true;
1566	return false;
1567}
1568
1569static inline bool
1570nv_match_device(struct drm_device *dev, unsigned device,
1571		unsigned sub_vendor, unsigned sub_device)
1572{
1573	return dev->pdev->device == device &&
1574		dev->pdev->subsystem_vendor == sub_vendor &&
1575		dev->pdev->subsystem_device == sub_device;
1576}
1577
1578/* returns 1 if device is one of the nv4x using the 0x4497 object class,
1579 * helpful to determine a number of other hardware features
1580 */
1581static inline int
1582nv44_graph_class(struct drm_device *dev)
1583{
1584	struct drm_nouveau_private *dev_priv = dev->dev_private;
1585
1586	if ((dev_priv->chipset & 0xf0) == 0x60)
1587		return 1;
1588
1589	return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
1590}
1591
1592/* memory type/access flags, do not match hardware values */
1593#define NV_MEM_ACCESS_RO  1
1594#define NV_MEM_ACCESS_WO  2
1595#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
1596#define NV_MEM_ACCESS_SYS 4
1597#define NV_MEM_ACCESS_VM  8
1598
1599#define NV_MEM_TARGET_VRAM        0
1600#define NV_MEM_TARGET_PCI         1
1601#define NV_MEM_TARGET_PCI_NOSNOOP 2
1602#define NV_MEM_TARGET_VM          3
1603#define NV_MEM_TARGET_GART        4
1604
1605#define NV_MEM_TYPE_VM 0x7f
1606#define NV_MEM_COMP_VM 0x03
1607
1608/* NV_SW object class */
1609#define NV_SW                                                        0x0000506e
1610#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1611#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1612#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1613#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1614#define NV_SW_YIELD                                                  0x00000080
1615#define NV_SW_DMA_VBLSEM                                             0x0000018c
1616#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1617#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1618#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1619#define NV_SW_PAGE_FLIP                                              0x00000500
1620
1621#endif /* __NOUVEAU_DRV_H__ */
1622