nouveau_drv.h revision 274fec93cdd627408a799519fa602f2eecb14d2f
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"
58struct nouveau_grctx;
59
60#define MAX_NUM_DCB_ENTRIES 16
61
62#define NOUVEAU_MAX_CHANNEL_NR 128
63#define NOUVEAU_MAX_TILE_NR 15
64
65#define NV50_VM_MAX_VRAM (2*1024*1024*1024ULL)
66#define NV50_VM_BLOCK    (512*1024*1024ULL)
67#define NV50_VM_VRAM_NR  (NV50_VM_MAX_VRAM / NV50_VM_BLOCK)
68
69struct nouveau_tile_reg {
70	bool used;
71	uint32_t addr;
72	uint32_t limit;
73	uint32_t pitch;
74	uint32_t zcomp;
75	struct drm_mm_node *tag_mem;
76	struct nouveau_fence *fence;
77};
78
79struct nouveau_bo {
80	struct ttm_buffer_object bo;
81	struct ttm_placement placement;
82	u32 placements[3];
83	u32 busy_placements[3];
84	struct ttm_bo_kmap_obj kmap;
85	struct list_head head;
86
87	/* protected by ttm_bo_reserve() */
88	struct drm_file *reserved_by;
89	struct list_head entry;
90	int pbbo_index;
91	bool validate_mapped;
92
93	struct nouveau_channel *channel;
94
95	bool mappable;
96	bool no_vm;
97
98	uint32_t tile_mode;
99	uint32_t tile_flags;
100	struct nouveau_tile_reg *tile;
101
102	struct drm_gem_object *gem;
103	int pin_refcnt;
104};
105
106#define nouveau_bo_tile_layout(nvbo)				\
107	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
108
109static inline struct nouveau_bo *
110nouveau_bo(struct ttm_buffer_object *bo)
111{
112	return container_of(bo, struct nouveau_bo, bo);
113}
114
115static inline struct nouveau_bo *
116nouveau_gem_object(struct drm_gem_object *gem)
117{
118	return gem ? gem->driver_private : NULL;
119}
120
121/* TODO: submit equivalent to TTM generic API upstream? */
122static inline void __iomem *
123nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
124{
125	bool is_iomem;
126	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
127						&nvbo->kmap, &is_iomem);
128	WARN_ON_ONCE(ioptr && !is_iomem);
129	return ioptr;
130}
131
132enum nouveau_flags {
133	NV_NFORCE   = 0x10000000,
134	NV_NFORCE2  = 0x20000000
135};
136
137#define NVOBJ_ENGINE_SW		0
138#define NVOBJ_ENGINE_GR		1
139#define NVOBJ_ENGINE_PPP	2
140#define NVOBJ_ENGINE_COPY	3
141#define NVOBJ_ENGINE_VP		4
142#define NVOBJ_ENGINE_CRYPT      5
143#define NVOBJ_ENGINE_BSP	6
144#define NVOBJ_ENGINE_DISPLAY	0xcafe0001
145#define NVOBJ_ENGINE_INT	0xdeadbeef
146
147#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
148#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
149struct nouveau_gpuobj {
150	struct drm_device *dev;
151	struct kref refcount;
152	struct list_head list;
153
154	struct drm_mm_node *im_pramin;
155	struct nouveau_bo *im_backing;
156	uint32_t *im_backing_suspend;
157	int im_bound;
158
159	uint32_t flags;
160
161	u32 size;
162	u32 pinst;
163	u32 cinst;
164	u64 vinst;
165
166	uint32_t engine;
167	uint32_t class;
168
169	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
170	void *priv;
171};
172
173struct nouveau_page_flip_state {
174	struct list_head head;
175	struct drm_pending_vblank_event *event;
176	int crtc, bpp, pitch, x, y;
177	uint64_t offset;
178};
179
180enum nouveau_channel_mutex_class {
181	NOUVEAU_UCHANNEL_MUTEX,
182	NOUVEAU_KCHANNEL_MUTEX
183};
184
185struct nouveau_channel {
186	struct drm_device *dev;
187	int id;
188
189	/* references to the channel data structure */
190	struct kref ref;
191	/* users of the hardware channel resources, the hardware
192	 * context will be kicked off when it reaches zero. */
193	atomic_t users;
194	struct mutex mutex;
195
196	/* owner of this fifo */
197	struct drm_file *file_priv;
198	/* mapping of the fifo itself */
199	struct drm_local_map *map;
200
201	/* mapping of the regs controling the fifo */
202	void __iomem *user;
203	uint32_t user_get;
204	uint32_t user_put;
205
206	/* Fencing */
207	struct {
208		/* lock protects the pending list only */
209		spinlock_t lock;
210		struct list_head pending;
211		uint32_t sequence;
212		uint32_t sequence_ack;
213		atomic_t last_sequence_irq;
214	} fence;
215
216	/* DMA push buffer */
217	struct nouveau_gpuobj *pushbuf;
218	struct nouveau_bo     *pushbuf_bo;
219	uint32_t               pushbuf_base;
220
221	/* Notifier memory */
222	struct nouveau_bo *notifier_bo;
223	struct drm_mm notifier_heap;
224
225	/* PFIFO context */
226	struct nouveau_gpuobj *ramfc;
227	struct nouveau_gpuobj *cache;
228
229	/* PGRAPH context */
230	/* XXX may be merge 2 pointers as private data ??? */
231	struct nouveau_gpuobj *ramin_grctx;
232	struct nouveau_gpuobj *crypt_ctx;
233	void *pgraph_ctx;
234
235	/* NV50 VM */
236	struct nouveau_gpuobj *vm_pd;
237	struct nouveau_gpuobj *vm_gart_pt;
238	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
239
240	/* Objects */
241	struct nouveau_gpuobj *ramin; /* Private instmem */
242	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
243	struct nouveau_ramht  *ramht; /* Hash table */
244
245	/* GPU object info for stuff used in-kernel (mm_enabled) */
246	uint32_t m2mf_ntfy;
247	uint32_t vram_handle;
248	uint32_t gart_handle;
249	bool accel_done;
250
251	/* Push buffer state (only for drm's channel on !mm_enabled) */
252	struct {
253		int max;
254		int free;
255		int cur;
256		int put;
257		/* access via pushbuf_bo */
258
259		int ib_base;
260		int ib_max;
261		int ib_free;
262		int ib_put;
263	} dma;
264
265	uint32_t sw_subchannel[8];
266
267	struct {
268		struct nouveau_gpuobj *vblsem;
269		uint32_t vblsem_head;
270		uint32_t vblsem_offset;
271		uint32_t vblsem_rval;
272		struct list_head vbl_wait;
273		struct list_head flip;
274	} nvsw;
275
276	struct {
277		bool active;
278		char name[32];
279		struct drm_info_list info;
280	} debugfs;
281};
282
283struct nouveau_instmem_engine {
284	void	*priv;
285
286	int	(*init)(struct drm_device *dev);
287	void	(*takedown)(struct drm_device *dev);
288	int	(*suspend)(struct drm_device *dev);
289	void	(*resume)(struct drm_device *dev);
290
291	int	(*populate)(struct drm_device *, struct nouveau_gpuobj *,
292			    u32 *size, u32 align);
293	void	(*clear)(struct drm_device *, struct nouveau_gpuobj *);
294	int	(*bind)(struct drm_device *, struct nouveau_gpuobj *);
295	int	(*unbind)(struct drm_device *, struct nouveau_gpuobj *);
296	void	(*flush)(struct drm_device *);
297};
298
299struct nouveau_mc_engine {
300	int  (*init)(struct drm_device *dev);
301	void (*takedown)(struct drm_device *dev);
302};
303
304struct nouveau_timer_engine {
305	int      (*init)(struct drm_device *dev);
306	void     (*takedown)(struct drm_device *dev);
307	uint64_t (*read)(struct drm_device *dev);
308};
309
310struct nouveau_fb_engine {
311	int num_tiles;
312	struct drm_mm tag_heap;
313
314	int  (*init)(struct drm_device *dev);
315	void (*takedown)(struct drm_device *dev);
316
317	void (*init_tile_region)(struct drm_device *dev, int i,
318				 uint32_t addr, uint32_t size,
319				 uint32_t pitch, uint32_t flags);
320	void (*set_tile_region)(struct drm_device *dev, int i);
321	void (*free_tile_region)(struct drm_device *dev, int i);
322};
323
324struct nouveau_fifo_engine {
325	int  channels;
326
327	struct nouveau_gpuobj *playlist[2];
328	int cur_playlist;
329
330	int  (*init)(struct drm_device *);
331	void (*takedown)(struct drm_device *);
332
333	void (*disable)(struct drm_device *);
334	void (*enable)(struct drm_device *);
335	bool (*reassign)(struct drm_device *, bool enable);
336	bool (*cache_pull)(struct drm_device *dev, bool enable);
337
338	int  (*channel_id)(struct drm_device *);
339
340	int  (*create_context)(struct nouveau_channel *);
341	void (*destroy_context)(struct nouveau_channel *);
342	int  (*load_context)(struct nouveau_channel *);
343	int  (*unload_context)(struct drm_device *);
344	void (*tlb_flush)(struct drm_device *dev);
345};
346
347struct nouveau_pgraph_engine {
348	bool accel_blocked;
349	bool registered;
350	int grctx_size;
351
352	/* NV2x/NV3x context table (0x400780) */
353	struct nouveau_gpuobj *ctx_table;
354
355	int  (*init)(struct drm_device *);
356	void (*takedown)(struct drm_device *);
357
358	void (*fifo_access)(struct drm_device *, bool);
359
360	struct nouveau_channel *(*channel)(struct drm_device *);
361	int  (*create_context)(struct nouveau_channel *);
362	void (*destroy_context)(struct nouveau_channel *);
363	int  (*load_context)(struct nouveau_channel *);
364	int  (*unload_context)(struct drm_device *);
365	void (*tlb_flush)(struct drm_device *dev);
366
367	void (*set_tile_region)(struct drm_device *dev, int i);
368};
369
370struct nouveau_display_engine {
371	int (*early_init)(struct drm_device *);
372	void (*late_takedown)(struct drm_device *);
373	int (*create)(struct drm_device *);
374	int (*init)(struct drm_device *);
375	void (*destroy)(struct drm_device *);
376};
377
378struct nouveau_gpio_engine {
379	int  (*init)(struct drm_device *);
380	void (*takedown)(struct drm_device *);
381
382	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
383	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
384
385	void (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
386};
387
388struct nouveau_pm_voltage_level {
389	u8 voltage;
390	u8 vid;
391};
392
393struct nouveau_pm_voltage {
394	bool supported;
395	u8 vid_mask;
396
397	struct nouveau_pm_voltage_level *level;
398	int nr_level;
399};
400
401#define NOUVEAU_PM_MAX_LEVEL 8
402struct nouveau_pm_level {
403	struct device_attribute dev_attr;
404	char name[32];
405	int id;
406
407	u32 core;
408	u32 memory;
409	u32 shader;
410	u32 unk05;
411
412	u8 voltage;
413	u8 fanspeed;
414
415	u16 memscript;
416};
417
418struct nouveau_pm_temp_sensor_constants {
419	u16 offset_constant;
420	s16 offset_mult;
421	u16 offset_div;
422	u16 slope_mult;
423	u16 slope_div;
424};
425
426struct nouveau_pm_threshold_temp {
427	s16 critical;
428	s16 down_clock;
429	s16 fan_boost;
430};
431
432struct nouveau_pm_memtiming {
433	u32 reg_100220;
434	u32 reg_100224;
435	u32 reg_100228;
436	u32 reg_10022c;
437	u32 reg_100230;
438	u32 reg_100234;
439	u32 reg_100238;
440	u32 reg_10023c;
441};
442
443struct nouveau_pm_memtimings {
444	bool supported;
445	struct nouveau_pm_memtiming *timing;
446	int nr_timing;
447};
448
449struct nouveau_pm_engine {
450	struct nouveau_pm_voltage voltage;
451	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
452	int nr_perflvl;
453	struct nouveau_pm_memtimings memtimings;
454	struct nouveau_pm_temp_sensor_constants sensor_constants;
455	struct nouveau_pm_threshold_temp threshold_temp;
456
457	struct nouveau_pm_level boot;
458	struct nouveau_pm_level *cur;
459
460	struct device *hwmon;
461	struct notifier_block acpi_nb;
462
463	int (*clock_get)(struct drm_device *, u32 id);
464	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
465			   u32 id, int khz);
466	void (*clock_set)(struct drm_device *, void *);
467	int (*voltage_get)(struct drm_device *);
468	int (*voltage_set)(struct drm_device *, int voltage);
469	int (*fanspeed_get)(struct drm_device *);
470	int (*fanspeed_set)(struct drm_device *, int fanspeed);
471	int (*temp_get)(struct drm_device *);
472};
473
474struct nouveau_crypt_engine {
475	bool registered;
476
477	int  (*init)(struct drm_device *);
478	void (*takedown)(struct drm_device *);
479	int  (*create_context)(struct nouveau_channel *);
480	void (*destroy_context)(struct nouveau_channel *);
481	void (*tlb_flush)(struct drm_device *dev);
482};
483
484struct nouveau_engine {
485	struct nouveau_instmem_engine instmem;
486	struct nouveau_mc_engine      mc;
487	struct nouveau_timer_engine   timer;
488	struct nouveau_fb_engine      fb;
489	struct nouveau_pgraph_engine  graph;
490	struct nouveau_fifo_engine    fifo;
491	struct nouveau_display_engine display;
492	struct nouveau_gpio_engine    gpio;
493	struct nouveau_pm_engine      pm;
494	struct nouveau_crypt_engine   crypt;
495};
496
497struct nouveau_pll_vals {
498	union {
499		struct {
500#ifdef __BIG_ENDIAN
501			uint8_t N1, M1, N2, M2;
502#else
503			uint8_t M1, N1, M2, N2;
504#endif
505		};
506		struct {
507			uint16_t NM1, NM2;
508		} __attribute__((packed));
509	};
510	int log2P;
511
512	int refclk;
513};
514
515enum nv04_fp_display_regs {
516	FP_DISPLAY_END,
517	FP_TOTAL,
518	FP_CRTC,
519	FP_SYNC_START,
520	FP_SYNC_END,
521	FP_VALID_START,
522	FP_VALID_END
523};
524
525struct nv04_crtc_reg {
526	unsigned char MiscOutReg;
527	uint8_t CRTC[0xa0];
528	uint8_t CR58[0x10];
529	uint8_t Sequencer[5];
530	uint8_t Graphics[9];
531	uint8_t Attribute[21];
532	unsigned char DAC[768];
533
534	/* PCRTC regs */
535	uint32_t fb_start;
536	uint32_t crtc_cfg;
537	uint32_t cursor_cfg;
538	uint32_t gpio_ext;
539	uint32_t crtc_830;
540	uint32_t crtc_834;
541	uint32_t crtc_850;
542	uint32_t crtc_eng_ctrl;
543
544	/* PRAMDAC regs */
545	uint32_t nv10_cursync;
546	struct nouveau_pll_vals pllvals;
547	uint32_t ramdac_gen_ctrl;
548	uint32_t ramdac_630;
549	uint32_t ramdac_634;
550	uint32_t tv_setup;
551	uint32_t tv_vtotal;
552	uint32_t tv_vskew;
553	uint32_t tv_vsync_delay;
554	uint32_t tv_htotal;
555	uint32_t tv_hskew;
556	uint32_t tv_hsync_delay;
557	uint32_t tv_hsync_delay2;
558	uint32_t fp_horiz_regs[7];
559	uint32_t fp_vert_regs[7];
560	uint32_t dither;
561	uint32_t fp_control;
562	uint32_t dither_regs[6];
563	uint32_t fp_debug_0;
564	uint32_t fp_debug_1;
565	uint32_t fp_debug_2;
566	uint32_t fp_margin_color;
567	uint32_t ramdac_8c0;
568	uint32_t ramdac_a20;
569	uint32_t ramdac_a24;
570	uint32_t ramdac_a34;
571	uint32_t ctv_regs[38];
572};
573
574struct nv04_output_reg {
575	uint32_t output;
576	int head;
577};
578
579struct nv04_mode_state {
580	struct nv04_crtc_reg crtc_reg[2];
581	uint32_t pllsel;
582	uint32_t sel_clk;
583};
584
585enum nouveau_card_type {
586	NV_04      = 0x00,
587	NV_10      = 0x10,
588	NV_20      = 0x20,
589	NV_30      = 0x30,
590	NV_40      = 0x40,
591	NV_50      = 0x50,
592	NV_C0      = 0xc0,
593};
594
595struct drm_nouveau_private {
596	struct drm_device *dev;
597
598	/* the card type, takes NV_* as values */
599	enum nouveau_card_type card_type;
600	/* exact chipset, derived from NV_PMC_BOOT_0 */
601	int chipset;
602	int flags;
603
604	void __iomem *mmio;
605
606	spinlock_t ramin_lock;
607	void __iomem *ramin;
608	u32 ramin_size;
609	u32 ramin_base;
610	bool ramin_available;
611	struct drm_mm ramin_heap;
612	struct list_head gpuobj_list;
613	struct list_head classes;
614
615	struct nouveau_bo *vga_ram;
616
617	/* interrupt handling */
618	void (*irq_handler[32])(struct drm_device *);
619	bool msi_enabled;
620	struct workqueue_struct *wq;
621	struct work_struct irq_work;
622	struct work_struct hpd_work;
623
624	struct {
625		spinlock_t lock;
626		uint32_t hpd0_bits;
627		uint32_t hpd1_bits;
628	} hpd_state;
629
630	struct list_head vbl_waiting;
631
632	struct {
633		struct drm_global_reference mem_global_ref;
634		struct ttm_bo_global_ref bo_global_ref;
635		struct ttm_bo_device bdev;
636		atomic_t validate_sequence;
637	} ttm;
638
639	struct {
640		spinlock_t lock;
641		struct drm_mm heap;
642		struct nouveau_bo *bo;
643	} fence;
644
645	struct {
646		spinlock_t lock;
647		struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR];
648	} channels;
649
650	struct nouveau_engine engine;
651	struct nouveau_channel *channel;
652
653	/* For PFIFO and PGRAPH. */
654	spinlock_t context_switch_lock;
655
656	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
657	struct nouveau_ramht  *ramht;
658	struct nouveau_gpuobj *ramfc;
659	struct nouveau_gpuobj *ramro;
660
661	uint32_t ramin_rsvd_vram;
662
663	struct {
664		enum {
665			NOUVEAU_GART_NONE = 0,
666			NOUVEAU_GART_AGP,
667			NOUVEAU_GART_SGDMA
668		} type;
669		uint64_t aper_base;
670		uint64_t aper_size;
671		uint64_t aper_free;
672
673		struct nouveau_gpuobj *sg_ctxdma;
674		struct page *sg_dummy_page;
675		dma_addr_t sg_dummy_bus;
676	} gart_info;
677
678	/* nv10-nv40 tiling regions */
679	struct {
680		struct nouveau_tile_reg reg[NOUVEAU_MAX_TILE_NR];
681		spinlock_t lock;
682	} tile;
683
684	/* VRAM/fb configuration */
685	uint64_t vram_size;
686	uint64_t vram_sys_base;
687	u32 vram_rblock_size;
688
689	uint64_t fb_phys;
690	uint64_t fb_available_size;
691	uint64_t fb_mappable_pages;
692	uint64_t fb_aper_free;
693	int fb_mtrr;
694
695	/* G8x/G9x virtual address space */
696	uint64_t vm_gart_base;
697	uint64_t vm_gart_size;
698	uint64_t vm_vram_base;
699	uint64_t vm_vram_size;
700	uint64_t vm_end;
701	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
702	int vm_vram_pt_nr;
703
704	struct nvbios vbios;
705
706	struct nv04_mode_state mode_reg;
707	struct nv04_mode_state saved_reg;
708	uint32_t saved_vga_font[4][16384];
709	uint32_t crtc_owner;
710	uint32_t dac_users[4];
711
712	struct nouveau_suspend_resume {
713		uint32_t *ramin_copy;
714	} susres;
715
716	struct backlight_device *backlight;
717
718	struct nouveau_channel *evo;
719	u32 evo_alloc;
720	struct {
721		struct dcb_entry *dcb;
722		u16 script;
723		u32 pclk;
724	} evo_irq;
725
726	struct {
727		struct dentry *channel_root;
728	} debugfs;
729
730	struct nouveau_fbdev *nfbdev;
731	struct apertures_struct *apertures;
732};
733
734static inline struct drm_nouveau_private *
735nouveau_private(struct drm_device *dev)
736{
737	return dev->dev_private;
738}
739
740static inline struct drm_nouveau_private *
741nouveau_bdev(struct ttm_bo_device *bd)
742{
743	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
744}
745
746static inline int
747nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
748{
749	struct nouveau_bo *prev;
750
751	if (!pnvbo)
752		return -EINVAL;
753	prev = *pnvbo;
754
755	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
756	if (prev) {
757		struct ttm_buffer_object *bo = &prev->bo;
758
759		ttm_bo_unref(&bo);
760	}
761
762	return 0;
763}
764
765/* nouveau_drv.c */
766extern int nouveau_agpmode;
767extern int nouveau_duallink;
768extern int nouveau_uscript_lvds;
769extern int nouveau_uscript_tmds;
770extern int nouveau_vram_pushbuf;
771extern int nouveau_vram_notify;
772extern int nouveau_fbpercrtc;
773extern int nouveau_tv_disable;
774extern char *nouveau_tv_norm;
775extern int nouveau_reg_debug;
776extern char *nouveau_vbios;
777extern int nouveau_ignorelid;
778extern int nouveau_nofbaccel;
779extern int nouveau_noaccel;
780extern int nouveau_force_post;
781extern int nouveau_override_conntype;
782extern char *nouveau_perflvl;
783extern int nouveau_perflvl_wr;
784extern int nouveau_msi;
785
786extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
787extern int nouveau_pci_resume(struct pci_dev *pdev);
788
789/* nouveau_state.c */
790extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
791extern int  nouveau_load(struct drm_device *, unsigned long flags);
792extern int  nouveau_firstopen(struct drm_device *);
793extern void nouveau_lastclose(struct drm_device *);
794extern int  nouveau_unload(struct drm_device *);
795extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
796				   struct drm_file *);
797extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
798				   struct drm_file *);
799extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
800			       uint32_t reg, uint32_t mask, uint32_t val);
801extern bool nouveau_wait_for_idle(struct drm_device *);
802extern int  nouveau_card_init(struct drm_device *);
803
804/* nouveau_mem.c */
805extern int  nouveau_mem_vram_init(struct drm_device *);
806extern void nouveau_mem_vram_fini(struct drm_device *);
807extern int  nouveau_mem_gart_init(struct drm_device *);
808extern void nouveau_mem_gart_fini(struct drm_device *);
809extern int  nouveau_mem_init_agp(struct drm_device *);
810extern int  nouveau_mem_reset_agp(struct drm_device *);
811extern void nouveau_mem_close(struct drm_device *);
812extern struct nouveau_tile_reg *nv10_mem_set_tiling(
813	struct drm_device *dev, uint32_t addr, uint32_t size,
814	uint32_t pitch, uint32_t flags);
815extern void nv10_mem_put_tile_region(struct drm_device *dev,
816				     struct nouveau_tile_reg *tile,
817				     struct nouveau_fence *fence);
818extern int  nv50_mem_vm_bind_linear(struct drm_device *, uint64_t virt,
819				    uint32_t size, uint32_t flags,
820				    uint64_t phys);
821extern void nv50_mem_vm_unbind(struct drm_device *, uint64_t virt,
822			       uint32_t size);
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 *offset);
829extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
830extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
831					 struct drm_file *);
832extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
833					struct drm_file *);
834
835/* nouveau_channel.c */
836extern struct drm_ioctl_desc nouveau_ioctls[];
837extern int nouveau_max_ioctl;
838extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
839extern int  nouveau_channel_alloc(struct drm_device *dev,
840				  struct nouveau_channel **chan,
841				  struct drm_file *file_priv,
842				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
843extern struct nouveau_channel *
844nouveau_channel_get_unlocked(struct nouveau_channel *);
845extern struct nouveau_channel *
846nouveau_channel_get(struct drm_device *, struct drm_file *, int id);
847extern void nouveau_channel_put_unlocked(struct nouveau_channel **);
848extern void nouveau_channel_put(struct nouveau_channel **);
849extern void nouveau_channel_ref(struct nouveau_channel *chan,
850				struct nouveau_channel **pchan);
851
852/* nouveau_object.c */
853#define NVOBJ_CLASS(d,c,e) do {                                                \
854	int ret = nouveau_gpuobj_class_new((d), (c), NVOBJ_ENGINE_##e);        \
855	if (ret)                                                               \
856		return ret;                                                    \
857} while(0)
858
859#define NVOBJ_MTHD(d,c,m,e) do {                                               \
860	int ret = nouveau_gpuobj_mthd_new((d), (c), (m), (e));                 \
861	if (ret)                                                               \
862		return ret;                                                    \
863} while(0)
864
865extern int  nouveau_gpuobj_early_init(struct drm_device *);
866extern int  nouveau_gpuobj_init(struct drm_device *);
867extern void nouveau_gpuobj_takedown(struct drm_device *);
868extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
869extern void nouveau_gpuobj_suspend_cleanup(struct drm_device *dev);
870extern void nouveau_gpuobj_resume(struct drm_device *dev);
871extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
872extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
873				    int (*exec)(struct nouveau_channel *,
874					        u32 class, u32 mthd, u32 data));
875extern int  nouveau_gpuobj_mthd_call(struct nouveau_channel *, u32, u32, u32);
876extern int  nouveau_gpuobj_mthd_call2(struct drm_device *, int, u32, u32, u32);
877extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
878				       uint32_t vram_h, uint32_t tt_h);
879extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
880extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
881			      uint32_t size, int align, uint32_t flags,
882			      struct nouveau_gpuobj **);
883extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
884			       struct nouveau_gpuobj **);
885extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
886				   u32 size, u32 flags,
887				   struct nouveau_gpuobj **);
888extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
889				  uint64_t offset, uint64_t size, int access,
890				  int target, struct nouveau_gpuobj **);
891extern int nouveau_gpuobj_gart_dma_new(struct nouveau_channel *,
892				       uint64_t offset, uint64_t size,
893				       int access, struct nouveau_gpuobj **,
894				       uint32_t *o_ret);
895extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, int class,
896				 struct nouveau_gpuobj **);
897extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
898				     struct drm_file *);
899extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
900				     struct drm_file *);
901
902/* nouveau_irq.c */
903extern int         nouveau_irq_init(struct drm_device *);
904extern void        nouveau_irq_fini(struct drm_device *);
905extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
906extern void        nouveau_irq_register(struct drm_device *, int status_bit,
907					void (*)(struct drm_device *));
908extern void        nouveau_irq_unregister(struct drm_device *, int status_bit);
909extern void        nouveau_irq_preinstall(struct drm_device *);
910extern int         nouveau_irq_postinstall(struct drm_device *);
911extern void        nouveau_irq_uninstall(struct drm_device *);
912
913/* nouveau_sgdma.c */
914extern int nouveau_sgdma_init(struct drm_device *);
915extern void nouveau_sgdma_takedown(struct drm_device *);
916extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
917				  uint32_t *page);
918extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
919
920/* nouveau_debugfs.c */
921#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
922extern int  nouveau_debugfs_init(struct drm_minor *);
923extern void nouveau_debugfs_takedown(struct drm_minor *);
924extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
925extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
926#else
927static inline int
928nouveau_debugfs_init(struct drm_minor *minor)
929{
930	return 0;
931}
932
933static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
934{
935}
936
937static inline int
938nouveau_debugfs_channel_init(struct nouveau_channel *chan)
939{
940	return 0;
941}
942
943static inline void
944nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
945{
946}
947#endif
948
949/* nouveau_dma.c */
950extern void nouveau_dma_pre_init(struct nouveau_channel *);
951extern int  nouveau_dma_init(struct nouveau_channel *);
952extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
953
954/* nouveau_acpi.c */
955#define ROM_BIOS_PAGE 4096
956#if defined(CONFIG_ACPI)
957void nouveau_register_dsm_handler(void);
958void nouveau_unregister_dsm_handler(void);
959int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
960bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
961int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
962#else
963static inline void nouveau_register_dsm_handler(void) {}
964static inline void nouveau_unregister_dsm_handler(void) {}
965static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
966static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
967static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
968#endif
969
970/* nouveau_backlight.c */
971#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
972extern int nouveau_backlight_init(struct drm_device *);
973extern void nouveau_backlight_exit(struct drm_device *);
974#else
975static inline int nouveau_backlight_init(struct drm_device *dev)
976{
977	return 0;
978}
979
980static inline void nouveau_backlight_exit(struct drm_device *dev) { }
981#endif
982
983/* nouveau_bios.c */
984extern int nouveau_bios_init(struct drm_device *);
985extern void nouveau_bios_takedown(struct drm_device *dev);
986extern int nouveau_run_vbios_init(struct drm_device *);
987extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
988					struct dcb_entry *);
989extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
990						      enum dcb_gpio_tag);
991extern struct dcb_connector_table_entry *
992nouveau_bios_connector_entry(struct drm_device *, int index);
993extern u32 get_pll_register(struct drm_device *, enum pll_types);
994extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
995			  struct pll_lims *);
996extern int nouveau_bios_run_display_table(struct drm_device *,
997					  struct dcb_entry *,
998					  uint32_t script, int pxclk);
999extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
1000				   int *length);
1001extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
1002extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
1003extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
1004					 bool *dl, bool *if_is_24bit);
1005extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
1006			  int head, int pxclk);
1007extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
1008			    enum LVDS_script, int pxclk);
1009
1010/* nouveau_ttm.c */
1011int nouveau_ttm_global_init(struct drm_nouveau_private *);
1012void nouveau_ttm_global_release(struct drm_nouveau_private *);
1013int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
1014
1015/* nouveau_dp.c */
1016int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
1017		     uint8_t *data, int data_nr);
1018bool nouveau_dp_detect(struct drm_encoder *);
1019bool nouveau_dp_link_train(struct drm_encoder *);
1020
1021/* nv04_fb.c */
1022extern int  nv04_fb_init(struct drm_device *);
1023extern void nv04_fb_takedown(struct drm_device *);
1024
1025/* nv10_fb.c */
1026extern int  nv10_fb_init(struct drm_device *);
1027extern void nv10_fb_takedown(struct drm_device *);
1028extern void nv10_fb_init_tile_region(struct drm_device *dev, int i,
1029				     uint32_t addr, uint32_t size,
1030				     uint32_t pitch, uint32_t flags);
1031extern void nv10_fb_set_tile_region(struct drm_device *dev, int i);
1032extern void nv10_fb_free_tile_region(struct drm_device *dev, int i);
1033
1034/* nv30_fb.c */
1035extern int  nv30_fb_init(struct drm_device *);
1036extern void nv30_fb_takedown(struct drm_device *);
1037extern void nv30_fb_init_tile_region(struct drm_device *dev, int i,
1038				     uint32_t addr, uint32_t size,
1039				     uint32_t pitch, uint32_t flags);
1040extern void nv30_fb_free_tile_region(struct drm_device *dev, int i);
1041
1042/* nv40_fb.c */
1043extern int  nv40_fb_init(struct drm_device *);
1044extern void nv40_fb_takedown(struct drm_device *);
1045extern void nv40_fb_set_tile_region(struct drm_device *dev, int i);
1046
1047/* nv50_fb.c */
1048extern int  nv50_fb_init(struct drm_device *);
1049extern void nv50_fb_takedown(struct drm_device *);
1050extern void nv50_fb_vm_trap(struct drm_device *, int display, const char *);
1051
1052/* nvc0_fb.c */
1053extern int  nvc0_fb_init(struct drm_device *);
1054extern void nvc0_fb_takedown(struct drm_device *);
1055
1056/* nv04_fifo.c */
1057extern int  nv04_fifo_init(struct drm_device *);
1058extern void nv04_fifo_fini(struct drm_device *);
1059extern void nv04_fifo_disable(struct drm_device *);
1060extern void nv04_fifo_enable(struct drm_device *);
1061extern bool nv04_fifo_reassign(struct drm_device *, bool);
1062extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
1063extern int  nv04_fifo_channel_id(struct drm_device *);
1064extern int  nv04_fifo_create_context(struct nouveau_channel *);
1065extern void nv04_fifo_destroy_context(struct nouveau_channel *);
1066extern int  nv04_fifo_load_context(struct nouveau_channel *);
1067extern int  nv04_fifo_unload_context(struct drm_device *);
1068extern void nv04_fifo_isr(struct drm_device *);
1069
1070/* nv10_fifo.c */
1071extern int  nv10_fifo_init(struct drm_device *);
1072extern int  nv10_fifo_channel_id(struct drm_device *);
1073extern int  nv10_fifo_create_context(struct nouveau_channel *);
1074extern int  nv10_fifo_load_context(struct nouveau_channel *);
1075extern int  nv10_fifo_unload_context(struct drm_device *);
1076
1077/* nv40_fifo.c */
1078extern int  nv40_fifo_init(struct drm_device *);
1079extern int  nv40_fifo_create_context(struct nouveau_channel *);
1080extern int  nv40_fifo_load_context(struct nouveau_channel *);
1081extern int  nv40_fifo_unload_context(struct drm_device *);
1082
1083/* nv50_fifo.c */
1084extern int  nv50_fifo_init(struct drm_device *);
1085extern void nv50_fifo_takedown(struct drm_device *);
1086extern int  nv50_fifo_channel_id(struct drm_device *);
1087extern int  nv50_fifo_create_context(struct nouveau_channel *);
1088extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1089extern int  nv50_fifo_load_context(struct nouveau_channel *);
1090extern int  nv50_fifo_unload_context(struct drm_device *);
1091extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1092
1093/* nvc0_fifo.c */
1094extern int  nvc0_fifo_init(struct drm_device *);
1095extern void nvc0_fifo_takedown(struct drm_device *);
1096extern void nvc0_fifo_disable(struct drm_device *);
1097extern void nvc0_fifo_enable(struct drm_device *);
1098extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1099extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1100extern int  nvc0_fifo_channel_id(struct drm_device *);
1101extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1102extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1103extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1104extern int  nvc0_fifo_unload_context(struct drm_device *);
1105
1106/* nv04_graph.c */
1107extern int  nv04_graph_init(struct drm_device *);
1108extern void nv04_graph_takedown(struct drm_device *);
1109extern void nv04_graph_fifo_access(struct drm_device *, bool);
1110extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
1111extern int  nv04_graph_create_context(struct nouveau_channel *);
1112extern void nv04_graph_destroy_context(struct nouveau_channel *);
1113extern int  nv04_graph_load_context(struct nouveau_channel *);
1114extern int  nv04_graph_unload_context(struct drm_device *);
1115extern int  nv04_graph_mthd_page_flip(struct nouveau_channel *chan,
1116				      u32 class, u32 mthd, u32 data);
1117extern struct nouveau_bitfield nv04_graph_nsource[];
1118
1119/* nv10_graph.c */
1120extern int  nv10_graph_init(struct drm_device *);
1121extern void nv10_graph_takedown(struct drm_device *);
1122extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1123extern int  nv10_graph_create_context(struct nouveau_channel *);
1124extern void nv10_graph_destroy_context(struct nouveau_channel *);
1125extern int  nv10_graph_load_context(struct nouveau_channel *);
1126extern int  nv10_graph_unload_context(struct drm_device *);
1127extern void nv10_graph_set_tile_region(struct drm_device *dev, int i);
1128extern struct nouveau_bitfield nv10_graph_intr[];
1129extern struct nouveau_bitfield nv10_graph_nstatus[];
1130
1131/* nv20_graph.c */
1132extern int  nv20_graph_create_context(struct nouveau_channel *);
1133extern void nv20_graph_destroy_context(struct nouveau_channel *);
1134extern int  nv20_graph_load_context(struct nouveau_channel *);
1135extern int  nv20_graph_unload_context(struct drm_device *);
1136extern int  nv20_graph_init(struct drm_device *);
1137extern void nv20_graph_takedown(struct drm_device *);
1138extern int  nv30_graph_init(struct drm_device *);
1139extern void nv20_graph_set_tile_region(struct drm_device *dev, int i);
1140
1141/* nv40_graph.c */
1142extern int  nv40_graph_init(struct drm_device *);
1143extern void nv40_graph_takedown(struct drm_device *);
1144extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1145extern int  nv40_graph_create_context(struct nouveau_channel *);
1146extern void nv40_graph_destroy_context(struct nouveau_channel *);
1147extern int  nv40_graph_load_context(struct nouveau_channel *);
1148extern int  nv40_graph_unload_context(struct drm_device *);
1149extern void nv40_grctx_init(struct nouveau_grctx *);
1150extern void nv40_graph_set_tile_region(struct drm_device *dev, int i);
1151
1152/* nv50_graph.c */
1153extern int  nv50_graph_init(struct drm_device *);
1154extern void nv50_graph_takedown(struct drm_device *);
1155extern void nv50_graph_fifo_access(struct drm_device *, bool);
1156extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1157extern int  nv50_graph_create_context(struct nouveau_channel *);
1158extern void nv50_graph_destroy_context(struct nouveau_channel *);
1159extern int  nv50_graph_load_context(struct nouveau_channel *);
1160extern int  nv50_graph_unload_context(struct drm_device *);
1161extern int  nv50_grctx_init(struct nouveau_grctx *);
1162extern void nv50_graph_tlb_flush(struct drm_device *dev);
1163extern void nv86_graph_tlb_flush(struct drm_device *dev);
1164
1165/* nvc0_graph.c */
1166extern int  nvc0_graph_init(struct drm_device *);
1167extern void nvc0_graph_takedown(struct drm_device *);
1168extern void nvc0_graph_fifo_access(struct drm_device *, bool);
1169extern struct nouveau_channel *nvc0_graph_channel(struct drm_device *);
1170extern int  nvc0_graph_create_context(struct nouveau_channel *);
1171extern void nvc0_graph_destroy_context(struct nouveau_channel *);
1172extern int  nvc0_graph_load_context(struct nouveau_channel *);
1173extern int  nvc0_graph_unload_context(struct drm_device *);
1174
1175/* nv84_crypt.c */
1176extern int  nv84_crypt_init(struct drm_device *dev);
1177extern void nv84_crypt_fini(struct drm_device *dev);
1178extern int  nv84_crypt_create_context(struct nouveau_channel *);
1179extern void nv84_crypt_destroy_context(struct nouveau_channel *);
1180extern void nv84_crypt_tlb_flush(struct drm_device *dev);
1181
1182/* nv04_instmem.c */
1183extern int  nv04_instmem_init(struct drm_device *);
1184extern void nv04_instmem_takedown(struct drm_device *);
1185extern int  nv04_instmem_suspend(struct drm_device *);
1186extern void nv04_instmem_resume(struct drm_device *);
1187extern int  nv04_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1188				  u32 *size, u32 align);
1189extern void nv04_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1190extern int  nv04_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1191extern int  nv04_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1192extern void nv04_instmem_flush(struct drm_device *);
1193
1194/* nv50_instmem.c */
1195extern int  nv50_instmem_init(struct drm_device *);
1196extern void nv50_instmem_takedown(struct drm_device *);
1197extern int  nv50_instmem_suspend(struct drm_device *);
1198extern void nv50_instmem_resume(struct drm_device *);
1199extern int  nv50_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1200				  u32 *size, u32 align);
1201extern void nv50_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1202extern int  nv50_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1203extern int  nv50_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1204extern void nv50_instmem_flush(struct drm_device *);
1205extern void nv84_instmem_flush(struct drm_device *);
1206extern void nv50_vm_flush(struct drm_device *, int engine);
1207
1208/* nvc0_instmem.c */
1209extern int  nvc0_instmem_init(struct drm_device *);
1210extern void nvc0_instmem_takedown(struct drm_device *);
1211extern int  nvc0_instmem_suspend(struct drm_device *);
1212extern void nvc0_instmem_resume(struct drm_device *);
1213extern int  nvc0_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1214				  u32 *size, u32 align);
1215extern void nvc0_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1216extern int  nvc0_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1217extern int  nvc0_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1218extern void nvc0_instmem_flush(struct drm_device *);
1219
1220/* nv04_mc.c */
1221extern int  nv04_mc_init(struct drm_device *);
1222extern void nv04_mc_takedown(struct drm_device *);
1223
1224/* nv40_mc.c */
1225extern int  nv40_mc_init(struct drm_device *);
1226extern void nv40_mc_takedown(struct drm_device *);
1227
1228/* nv50_mc.c */
1229extern int  nv50_mc_init(struct drm_device *);
1230extern void nv50_mc_takedown(struct drm_device *);
1231
1232/* nv04_timer.c */
1233extern int  nv04_timer_init(struct drm_device *);
1234extern uint64_t nv04_timer_read(struct drm_device *);
1235extern void nv04_timer_takedown(struct drm_device *);
1236
1237extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1238				 unsigned long arg);
1239
1240/* nv04_dac.c */
1241extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1242extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1243extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1244extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1245extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1246
1247/* nv04_dfp.c */
1248extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1249extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1250extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1251			       int head, bool dl);
1252extern void nv04_dfp_disable(struct drm_device *dev, int head);
1253extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1254
1255/* nv04_tv.c */
1256extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1257extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1258
1259/* nv17_tv.c */
1260extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1261
1262/* nv04_display.c */
1263extern int nv04_display_early_init(struct drm_device *);
1264extern void nv04_display_late_takedown(struct drm_device *);
1265extern int nv04_display_create(struct drm_device *);
1266extern int nv04_display_init(struct drm_device *);
1267extern void nv04_display_destroy(struct drm_device *);
1268
1269/* nv04_crtc.c */
1270extern int nv04_crtc_create(struct drm_device *, int index);
1271
1272/* nouveau_bo.c */
1273extern struct ttm_bo_driver nouveau_bo_driver;
1274extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1275			  int size, int align, uint32_t flags,
1276			  uint32_t tile_mode, uint32_t tile_flags,
1277			  bool no_vm, bool mappable, struct nouveau_bo **);
1278extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1279extern int nouveau_bo_unpin(struct nouveau_bo *);
1280extern int nouveau_bo_map(struct nouveau_bo *);
1281extern void nouveau_bo_unmap(struct nouveau_bo *);
1282extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1283				     uint32_t busy);
1284extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1285extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1286extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1287extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1288extern void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *);
1289
1290/* nouveau_fence.c */
1291struct nouveau_fence;
1292extern int nouveau_fence_init(struct drm_device *);
1293extern void nouveau_fence_fini(struct drm_device *);
1294extern int nouveau_fence_channel_init(struct nouveau_channel *);
1295extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1296extern void nouveau_fence_update(struct nouveau_channel *);
1297extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1298			     bool emit);
1299extern int nouveau_fence_emit(struct nouveau_fence *);
1300extern void nouveau_fence_work(struct nouveau_fence *fence,
1301			       void (*work)(void *priv, bool signalled),
1302			       void *priv);
1303struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1304
1305extern bool __nouveau_fence_signalled(void *obj, void *arg);
1306extern int __nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1307extern int __nouveau_fence_flush(void *obj, void *arg);
1308extern void __nouveau_fence_unref(void **obj);
1309extern void *__nouveau_fence_ref(void *obj);
1310
1311static inline bool nouveau_fence_signalled(struct nouveau_fence *obj)
1312{
1313	return __nouveau_fence_signalled(obj, NULL);
1314}
1315static inline int
1316nouveau_fence_wait(struct nouveau_fence *obj, bool lazy, bool intr)
1317{
1318	return __nouveau_fence_wait(obj, NULL, lazy, intr);
1319}
1320extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1321static inline int nouveau_fence_flush(struct nouveau_fence *obj)
1322{
1323	return __nouveau_fence_flush(obj, NULL);
1324}
1325static inline void nouveau_fence_unref(struct nouveau_fence **obj)
1326{
1327	__nouveau_fence_unref((void **)obj);
1328}
1329static inline struct nouveau_fence *nouveau_fence_ref(struct nouveau_fence *obj)
1330{
1331	return __nouveau_fence_ref(obj);
1332}
1333
1334/* nouveau_gem.c */
1335extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1336			   int size, int align, uint32_t flags,
1337			   uint32_t tile_mode, uint32_t tile_flags,
1338			   bool no_vm, bool mappable, struct nouveau_bo **);
1339extern int nouveau_gem_object_new(struct drm_gem_object *);
1340extern void nouveau_gem_object_del(struct drm_gem_object *);
1341extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1342				 struct drm_file *);
1343extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1344				     struct drm_file *);
1345extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1346				      struct drm_file *);
1347extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1348				      struct drm_file *);
1349extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1350				  struct drm_file *);
1351
1352/* nouveau_display.c */
1353int nouveau_vblank_enable(struct drm_device *dev, int crtc);
1354void nouveau_vblank_disable(struct drm_device *dev, int crtc);
1355int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
1356			   struct drm_pending_vblank_event *event);
1357int nouveau_finish_page_flip(struct nouveau_channel *,
1358			     struct nouveau_page_flip_state *);
1359
1360/* nv10_gpio.c */
1361int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1362int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1363
1364/* nv50_gpio.c */
1365int nv50_gpio_init(struct drm_device *dev);
1366void nv50_gpio_fini(struct drm_device *dev);
1367int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1368int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1369void nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1370
1371/* nv50_calc. */
1372int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1373		  int *N1, int *M1, int *N2, int *M2, int *P);
1374int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1375		   int clk, int *N, int *fN, int *M, int *P);
1376
1377#ifndef ioread32_native
1378#ifdef __BIG_ENDIAN
1379#define ioread16_native ioread16be
1380#define iowrite16_native iowrite16be
1381#define ioread32_native  ioread32be
1382#define iowrite32_native iowrite32be
1383#else /* def __BIG_ENDIAN */
1384#define ioread16_native ioread16
1385#define iowrite16_native iowrite16
1386#define ioread32_native  ioread32
1387#define iowrite32_native iowrite32
1388#endif /* def __BIG_ENDIAN else */
1389#endif /* !ioread32_native */
1390
1391/* channel control reg access */
1392static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1393{
1394	return ioread32_native(chan->user + reg);
1395}
1396
1397static inline void nvchan_wr32(struct nouveau_channel *chan,
1398							unsigned reg, u32 val)
1399{
1400	iowrite32_native(val, chan->user + reg);
1401}
1402
1403/* register access */
1404static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1405{
1406	struct drm_nouveau_private *dev_priv = dev->dev_private;
1407	return ioread32_native(dev_priv->mmio + reg);
1408}
1409
1410static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1411{
1412	struct drm_nouveau_private *dev_priv = dev->dev_private;
1413	iowrite32_native(val, dev_priv->mmio + reg);
1414}
1415
1416static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1417{
1418	u32 tmp = nv_rd32(dev, reg);
1419	nv_wr32(dev, reg, (tmp & ~mask) | val);
1420	return tmp;
1421}
1422
1423static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1424{
1425	struct drm_nouveau_private *dev_priv = dev->dev_private;
1426	return ioread8(dev_priv->mmio + reg);
1427}
1428
1429static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1430{
1431	struct drm_nouveau_private *dev_priv = dev->dev_private;
1432	iowrite8(val, dev_priv->mmio + reg);
1433}
1434
1435#define nv_wait(dev, reg, mask, val) \
1436	nouveau_wait_until(dev, 2000000000ULL, (reg), (mask), (val))
1437
1438/* PRAMIN access */
1439static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1440{
1441	struct drm_nouveau_private *dev_priv = dev->dev_private;
1442	return ioread32_native(dev_priv->ramin + offset);
1443}
1444
1445static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1446{
1447	struct drm_nouveau_private *dev_priv = dev->dev_private;
1448	iowrite32_native(val, dev_priv->ramin + offset);
1449}
1450
1451/* object access */
1452extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1453extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1454
1455/*
1456 * Logging
1457 * Argument d is (struct drm_device *).
1458 */
1459#define NV_PRINTK(level, d, fmt, arg...) \
1460	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1461					pci_name(d->pdev), ##arg)
1462#ifndef NV_DEBUG_NOTRACE
1463#define NV_DEBUG(d, fmt, arg...) do {                                          \
1464	if (drm_debug & DRM_UT_DRIVER) {                                       \
1465		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1466			  __LINE__, ##arg);                                    \
1467	}                                                                      \
1468} while (0)
1469#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1470	if (drm_debug & DRM_UT_KMS) {                                          \
1471		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1472			  __LINE__, ##arg);                                    \
1473	}                                                                      \
1474} while (0)
1475#else
1476#define NV_DEBUG(d, fmt, arg...) do {                                          \
1477	if (drm_debug & DRM_UT_DRIVER)                                         \
1478		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1479} while (0)
1480#define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1481	if (drm_debug & DRM_UT_KMS)                                            \
1482		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1483} while (0)
1484#endif
1485#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1486#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1487#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1488#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1489#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1490
1491/* nouveau_reg_debug bitmask */
1492enum {
1493	NOUVEAU_REG_DEBUG_MC             = 0x1,
1494	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1495	NOUVEAU_REG_DEBUG_FB             = 0x4,
1496	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1497	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1498	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1499	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1500	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1501	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1502	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1503};
1504
1505#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1506	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1507		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1508} while (0)
1509
1510static inline bool
1511nv_two_heads(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 (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1517	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1518		return true;
1519
1520	return false;
1521}
1522
1523static inline bool
1524nv_gf4_disp_arch(struct drm_device *dev)
1525{
1526	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1527}
1528
1529static inline bool
1530nv_two_reg_pll(struct drm_device *dev)
1531{
1532	struct drm_nouveau_private *dev_priv = dev->dev_private;
1533	const int impl = dev->pci_device & 0x0ff0;
1534
1535	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1536		return true;
1537	return false;
1538}
1539
1540static inline bool
1541nv_match_device(struct drm_device *dev, unsigned device,
1542		unsigned sub_vendor, unsigned sub_device)
1543{
1544	return dev->pdev->device == device &&
1545		dev->pdev->subsystem_vendor == sub_vendor &&
1546		dev->pdev->subsystem_device == sub_device;
1547}
1548
1549#define NV_SW                                                        0x0000506e
1550#define NV_SW_DMA_SEMAPHORE                                          0x00000060
1551#define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1552#define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1553#define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1554#define NV_SW_YIELD                                                  0x00000080
1555#define NV_SW_DMA_VBLSEM                                             0x0000018c
1556#define NV_SW_VBLSEM_OFFSET                                          0x00000400
1557#define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1558#define NV_SW_VBLSEM_RELEASE                                         0x00000408
1559#define NV_SW_PAGE_FLIP                                              0x00000500
1560
1561#endif /* __NOUVEAU_DRV_H__ */
1562