xref: /openbmc/linux/drivers/gpu/drm/nouveau/nouveau_drv.h (revision baa7eb025ab14f3cba2e35c0a8648f9c9f01d24f)
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 
48 struct 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 struct nouveau_grctx;
58 
59 #define MAX_NUM_DCB_ENTRIES 16
60 
61 #define NOUVEAU_MAX_CHANNEL_NR 128
62 #define NOUVEAU_MAX_TILE_NR 15
63 
64 #define NV50_VM_MAX_VRAM (2*1024*1024*1024ULL)
65 #define NV50_VM_BLOCK    (512*1024*1024ULL)
66 #define NV50_VM_VRAM_NR  (NV50_VM_MAX_VRAM / NV50_VM_BLOCK)
67 
68 struct nouveau_tile_reg {
69 	struct nouveau_fence *fence;
70 	uint32_t addr;
71 	uint32_t size;
72 	bool used;
73 };
74 
75 struct nouveau_bo {
76 	struct ttm_buffer_object bo;
77 	struct ttm_placement placement;
78 	u32 placements[3];
79 	u32 busy_placements[3];
80 	struct ttm_bo_kmap_obj kmap;
81 	struct list_head head;
82 
83 	/* protected by ttm_bo_reserve() */
84 	struct drm_file *reserved_by;
85 	struct list_head entry;
86 	int pbbo_index;
87 	bool validate_mapped;
88 
89 	struct nouveau_channel *channel;
90 
91 	bool mappable;
92 	bool no_vm;
93 
94 	uint32_t tile_mode;
95 	uint32_t tile_flags;
96 	struct nouveau_tile_reg *tile;
97 
98 	struct drm_gem_object *gem;
99 	struct drm_file *cpu_filp;
100 	int pin_refcnt;
101 };
102 
103 #define nouveau_bo_tile_layout(nvbo)				\
104 	((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
105 
106 static inline struct nouveau_bo *
107 nouveau_bo(struct ttm_buffer_object *bo)
108 {
109 	return container_of(bo, struct nouveau_bo, bo);
110 }
111 
112 static inline struct nouveau_bo *
113 nouveau_gem_object(struct drm_gem_object *gem)
114 {
115 	return gem ? gem->driver_private : NULL;
116 }
117 
118 /* TODO: submit equivalent to TTM generic API upstream? */
119 static inline void __iomem *
120 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
121 {
122 	bool is_iomem;
123 	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
124 						&nvbo->kmap, &is_iomem);
125 	WARN_ON_ONCE(ioptr && !is_iomem);
126 	return ioptr;
127 }
128 
129 enum nouveau_flags {
130 	NV_NFORCE   = 0x10000000,
131 	NV_NFORCE2  = 0x20000000
132 };
133 
134 #define NVOBJ_ENGINE_SW		0
135 #define NVOBJ_ENGINE_GR		1
136 #define NVOBJ_ENGINE_DISPLAY	2
137 #define NVOBJ_ENGINE_INT	0xdeadbeef
138 
139 #define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
140 #define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
141 struct nouveau_gpuobj {
142 	struct drm_device *dev;
143 	struct kref refcount;
144 	struct list_head list;
145 
146 	struct drm_mm_node *im_pramin;
147 	struct nouveau_bo *im_backing;
148 	uint32_t *im_backing_suspend;
149 	int im_bound;
150 
151 	uint32_t flags;
152 
153 	u32 size;
154 	u32 pinst;
155 	u32 cinst;
156 	u64 vinst;
157 
158 	uint32_t engine;
159 	uint32_t class;
160 
161 	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
162 	void *priv;
163 };
164 
165 struct nouveau_channel {
166 	struct drm_device *dev;
167 	int id;
168 
169 	/* owner of this fifo */
170 	struct drm_file *file_priv;
171 	/* mapping of the fifo itself */
172 	struct drm_local_map *map;
173 
174 	/* mapping of the regs controling the fifo */
175 	void __iomem *user;
176 	uint32_t user_get;
177 	uint32_t user_put;
178 
179 	/* Fencing */
180 	struct {
181 		/* lock protects the pending list only */
182 		spinlock_t lock;
183 		struct list_head pending;
184 		uint32_t sequence;
185 		uint32_t sequence_ack;
186 		atomic_t last_sequence_irq;
187 	} fence;
188 
189 	/* DMA push buffer */
190 	struct nouveau_gpuobj *pushbuf;
191 	struct nouveau_bo     *pushbuf_bo;
192 	uint32_t               pushbuf_base;
193 
194 	/* Notifier memory */
195 	struct nouveau_bo *notifier_bo;
196 	struct drm_mm notifier_heap;
197 
198 	/* PFIFO context */
199 	struct nouveau_gpuobj *ramfc;
200 	struct nouveau_gpuobj *cache;
201 
202 	/* PGRAPH context */
203 	/* XXX may be merge 2 pointers as private data ??? */
204 	struct nouveau_gpuobj *ramin_grctx;
205 	void *pgraph_ctx;
206 
207 	/* NV50 VM */
208 	struct nouveau_gpuobj *vm_pd;
209 	struct nouveau_gpuobj *vm_gart_pt;
210 	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
211 
212 	/* Objects */
213 	struct nouveau_gpuobj *ramin; /* Private instmem */
214 	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
215 	struct nouveau_ramht  *ramht; /* Hash table */
216 
217 	/* GPU object info for stuff used in-kernel (mm_enabled) */
218 	uint32_t m2mf_ntfy;
219 	uint32_t vram_handle;
220 	uint32_t gart_handle;
221 	bool accel_done;
222 
223 	/* Push buffer state (only for drm's channel on !mm_enabled) */
224 	struct {
225 		int max;
226 		int free;
227 		int cur;
228 		int put;
229 		/* access via pushbuf_bo */
230 
231 		int ib_base;
232 		int ib_max;
233 		int ib_free;
234 		int ib_put;
235 	} dma;
236 
237 	uint32_t sw_subchannel[8];
238 
239 	struct {
240 		struct nouveau_gpuobj *vblsem;
241 		uint32_t vblsem_offset;
242 		uint32_t vblsem_rval;
243 		struct list_head vbl_wait;
244 	} nvsw;
245 
246 	struct {
247 		bool active;
248 		char name[32];
249 		struct drm_info_list info;
250 	} debugfs;
251 };
252 
253 struct nouveau_instmem_engine {
254 	void	*priv;
255 
256 	int	(*init)(struct drm_device *dev);
257 	void	(*takedown)(struct drm_device *dev);
258 	int	(*suspend)(struct drm_device *dev);
259 	void	(*resume)(struct drm_device *dev);
260 
261 	int	(*populate)(struct drm_device *, struct nouveau_gpuobj *,
262 			    uint32_t *size);
263 	void	(*clear)(struct drm_device *, struct nouveau_gpuobj *);
264 	int	(*bind)(struct drm_device *, struct nouveau_gpuobj *);
265 	int	(*unbind)(struct drm_device *, struct nouveau_gpuobj *);
266 	void	(*flush)(struct drm_device *);
267 };
268 
269 struct nouveau_mc_engine {
270 	int  (*init)(struct drm_device *dev);
271 	void (*takedown)(struct drm_device *dev);
272 };
273 
274 struct nouveau_timer_engine {
275 	int      (*init)(struct drm_device *dev);
276 	void     (*takedown)(struct drm_device *dev);
277 	uint64_t (*read)(struct drm_device *dev);
278 };
279 
280 struct nouveau_fb_engine {
281 	int num_tiles;
282 
283 	int  (*init)(struct drm_device *dev);
284 	void (*takedown)(struct drm_device *dev);
285 
286 	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
287 				 uint32_t size, uint32_t pitch);
288 };
289 
290 struct nouveau_fifo_engine {
291 	int  channels;
292 
293 	struct nouveau_gpuobj *playlist[2];
294 	int cur_playlist;
295 
296 	int  (*init)(struct drm_device *);
297 	void (*takedown)(struct drm_device *);
298 
299 	void (*disable)(struct drm_device *);
300 	void (*enable)(struct drm_device *);
301 	bool (*reassign)(struct drm_device *, bool enable);
302 	bool (*cache_pull)(struct drm_device *dev, bool enable);
303 
304 	int  (*channel_id)(struct drm_device *);
305 
306 	int  (*create_context)(struct nouveau_channel *);
307 	void (*destroy_context)(struct nouveau_channel *);
308 	int  (*load_context)(struct nouveau_channel *);
309 	int  (*unload_context)(struct drm_device *);
310 	void (*tlb_flush)(struct drm_device *dev);
311 };
312 
313 struct nouveau_pgraph_object_method {
314 	int id;
315 	int (*exec)(struct nouveau_channel *chan, int grclass, int mthd,
316 		      uint32_t data);
317 };
318 
319 struct nouveau_pgraph_object_class {
320 	int id;
321 	bool software;
322 	struct nouveau_pgraph_object_method *methods;
323 };
324 
325 struct nouveau_pgraph_engine {
326 	struct nouveau_pgraph_object_class *grclass;
327 	bool accel_blocked;
328 	int grctx_size;
329 
330 	/* NV2x/NV3x context table (0x400780) */
331 	struct nouveau_gpuobj *ctx_table;
332 
333 	int  (*init)(struct drm_device *);
334 	void (*takedown)(struct drm_device *);
335 
336 	void (*fifo_access)(struct drm_device *, bool);
337 
338 	struct nouveau_channel *(*channel)(struct drm_device *);
339 	int  (*create_context)(struct nouveau_channel *);
340 	void (*destroy_context)(struct nouveau_channel *);
341 	int  (*load_context)(struct nouveau_channel *);
342 	int  (*unload_context)(struct drm_device *);
343 	void (*tlb_flush)(struct drm_device *dev);
344 
345 	void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
346 				  uint32_t size, uint32_t pitch);
347 };
348 
349 struct nouveau_display_engine {
350 	int (*early_init)(struct drm_device *);
351 	void (*late_takedown)(struct drm_device *);
352 	int (*create)(struct drm_device *);
353 	int (*init)(struct drm_device *);
354 	void (*destroy)(struct drm_device *);
355 };
356 
357 struct nouveau_gpio_engine {
358 	int  (*init)(struct drm_device *);
359 	void (*takedown)(struct drm_device *);
360 
361 	int  (*get)(struct drm_device *, enum dcb_gpio_tag);
362 	int  (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
363 
364 	void (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
365 };
366 
367 struct nouveau_pm_voltage_level {
368 	u8 voltage;
369 	u8 vid;
370 };
371 
372 struct nouveau_pm_voltage {
373 	bool supported;
374 	u8 vid_mask;
375 
376 	struct nouveau_pm_voltage_level *level;
377 	int nr_level;
378 };
379 
380 #define NOUVEAU_PM_MAX_LEVEL 8
381 struct nouveau_pm_level {
382 	struct device_attribute dev_attr;
383 	char name[32];
384 	int id;
385 
386 	u32 core;
387 	u32 memory;
388 	u32 shader;
389 	u32 unk05;
390 
391 	u8 voltage;
392 	u8 fanspeed;
393 
394 	u16 memscript;
395 };
396 
397 struct nouveau_pm_temp_sensor_constants {
398 	u16 offset_constant;
399 	s16 offset_mult;
400 	u16 offset_div;
401 	u16 slope_mult;
402 	u16 slope_div;
403 };
404 
405 struct nouveau_pm_threshold_temp {
406 	s16 critical;
407 	s16 down_clock;
408 	s16 fan_boost;
409 };
410 
411 struct nouveau_pm_memtiming {
412 	u32 reg_100220;
413 	u32 reg_100224;
414 	u32 reg_100228;
415 	u32 reg_10022c;
416 	u32 reg_100230;
417 	u32 reg_100234;
418 	u32 reg_100238;
419 	u32 reg_10023c;
420 };
421 
422 struct nouveau_pm_memtimings {
423 	bool supported;
424 	struct nouveau_pm_memtiming *timing;
425 	int nr_timing;
426 };
427 
428 struct nouveau_pm_engine {
429 	struct nouveau_pm_voltage voltage;
430 	struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL];
431 	int nr_perflvl;
432 	struct nouveau_pm_memtimings memtimings;
433 	struct nouveau_pm_temp_sensor_constants sensor_constants;
434 	struct nouveau_pm_threshold_temp threshold_temp;
435 
436 	struct nouveau_pm_level boot;
437 	struct nouveau_pm_level *cur;
438 
439 	struct device *hwmon;
440 
441 	int (*clock_get)(struct drm_device *, u32 id);
442 	void *(*clock_pre)(struct drm_device *, struct nouveau_pm_level *,
443 			   u32 id, int khz);
444 	void (*clock_set)(struct drm_device *, void *);
445 	int (*voltage_get)(struct drm_device *);
446 	int (*voltage_set)(struct drm_device *, int voltage);
447 	int (*fanspeed_get)(struct drm_device *);
448 	int (*fanspeed_set)(struct drm_device *, int fanspeed);
449 	int (*temp_get)(struct drm_device *);
450 };
451 
452 struct nouveau_engine {
453 	struct nouveau_instmem_engine instmem;
454 	struct nouveau_mc_engine      mc;
455 	struct nouveau_timer_engine   timer;
456 	struct nouveau_fb_engine      fb;
457 	struct nouveau_pgraph_engine  graph;
458 	struct nouveau_fifo_engine    fifo;
459 	struct nouveau_display_engine display;
460 	struct nouveau_gpio_engine    gpio;
461 	struct nouveau_pm_engine      pm;
462 };
463 
464 struct nouveau_pll_vals {
465 	union {
466 		struct {
467 #ifdef __BIG_ENDIAN
468 			uint8_t N1, M1, N2, M2;
469 #else
470 			uint8_t M1, N1, M2, N2;
471 #endif
472 		};
473 		struct {
474 			uint16_t NM1, NM2;
475 		} __attribute__((packed));
476 	};
477 	int log2P;
478 
479 	int refclk;
480 };
481 
482 enum nv04_fp_display_regs {
483 	FP_DISPLAY_END,
484 	FP_TOTAL,
485 	FP_CRTC,
486 	FP_SYNC_START,
487 	FP_SYNC_END,
488 	FP_VALID_START,
489 	FP_VALID_END
490 };
491 
492 struct nv04_crtc_reg {
493 	unsigned char MiscOutReg;
494 	uint8_t CRTC[0xa0];
495 	uint8_t CR58[0x10];
496 	uint8_t Sequencer[5];
497 	uint8_t Graphics[9];
498 	uint8_t Attribute[21];
499 	unsigned char DAC[768];
500 
501 	/* PCRTC regs */
502 	uint32_t fb_start;
503 	uint32_t crtc_cfg;
504 	uint32_t cursor_cfg;
505 	uint32_t gpio_ext;
506 	uint32_t crtc_830;
507 	uint32_t crtc_834;
508 	uint32_t crtc_850;
509 	uint32_t crtc_eng_ctrl;
510 
511 	/* PRAMDAC regs */
512 	uint32_t nv10_cursync;
513 	struct nouveau_pll_vals pllvals;
514 	uint32_t ramdac_gen_ctrl;
515 	uint32_t ramdac_630;
516 	uint32_t ramdac_634;
517 	uint32_t tv_setup;
518 	uint32_t tv_vtotal;
519 	uint32_t tv_vskew;
520 	uint32_t tv_vsync_delay;
521 	uint32_t tv_htotal;
522 	uint32_t tv_hskew;
523 	uint32_t tv_hsync_delay;
524 	uint32_t tv_hsync_delay2;
525 	uint32_t fp_horiz_regs[7];
526 	uint32_t fp_vert_regs[7];
527 	uint32_t dither;
528 	uint32_t fp_control;
529 	uint32_t dither_regs[6];
530 	uint32_t fp_debug_0;
531 	uint32_t fp_debug_1;
532 	uint32_t fp_debug_2;
533 	uint32_t fp_margin_color;
534 	uint32_t ramdac_8c0;
535 	uint32_t ramdac_a20;
536 	uint32_t ramdac_a24;
537 	uint32_t ramdac_a34;
538 	uint32_t ctv_regs[38];
539 };
540 
541 struct nv04_output_reg {
542 	uint32_t output;
543 	int head;
544 };
545 
546 struct nv04_mode_state {
547 	struct nv04_crtc_reg crtc_reg[2];
548 	uint32_t pllsel;
549 	uint32_t sel_clk;
550 };
551 
552 enum nouveau_card_type {
553 	NV_04      = 0x00,
554 	NV_10      = 0x10,
555 	NV_20      = 0x20,
556 	NV_30      = 0x30,
557 	NV_40      = 0x40,
558 	NV_50      = 0x50,
559 	NV_C0      = 0xc0,
560 };
561 
562 struct drm_nouveau_private {
563 	struct drm_device *dev;
564 
565 	/* the card type, takes NV_* as values */
566 	enum nouveau_card_type card_type;
567 	/* exact chipset, derived from NV_PMC_BOOT_0 */
568 	int chipset;
569 	int flags;
570 
571 	void __iomem *mmio;
572 
573 	spinlock_t ramin_lock;
574 	void __iomem *ramin;
575 	u32 ramin_size;
576 	u32 ramin_base;
577 	bool ramin_available;
578 	struct drm_mm ramin_heap;
579 	struct list_head gpuobj_list;
580 
581 	struct nouveau_bo *vga_ram;
582 
583 	struct workqueue_struct *wq;
584 	struct work_struct irq_work;
585 	struct work_struct hpd_work;
586 
587 	struct {
588 		spinlock_t lock;
589 		uint32_t hpd0_bits;
590 		uint32_t hpd1_bits;
591 	} hpd_state;
592 
593 	struct list_head vbl_waiting;
594 
595 	struct {
596 		struct drm_global_reference mem_global_ref;
597 		struct ttm_bo_global_ref bo_global_ref;
598 		struct ttm_bo_device bdev;
599 		atomic_t validate_sequence;
600 	} ttm;
601 
602 	struct {
603 		spinlock_t lock;
604 		struct drm_mm heap;
605 		struct nouveau_bo *bo;
606 	} fence;
607 
608 	int fifo_alloc_count;
609 	struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR];
610 
611 	struct nouveau_engine engine;
612 	struct nouveau_channel *channel;
613 
614 	/* For PFIFO and PGRAPH. */
615 	spinlock_t context_switch_lock;
616 
617 	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
618 	struct nouveau_ramht  *ramht;
619 	struct nouveau_gpuobj *ramfc;
620 	struct nouveau_gpuobj *ramro;
621 
622 	uint32_t ramin_rsvd_vram;
623 
624 	struct {
625 		enum {
626 			NOUVEAU_GART_NONE = 0,
627 			NOUVEAU_GART_AGP,
628 			NOUVEAU_GART_SGDMA
629 		} type;
630 		uint64_t aper_base;
631 		uint64_t aper_size;
632 		uint64_t aper_free;
633 
634 		struct nouveau_gpuobj *sg_ctxdma;
635 		struct page *sg_dummy_page;
636 		dma_addr_t sg_dummy_bus;
637 	} gart_info;
638 
639 	/* nv10-nv40 tiling regions */
640 	struct nouveau_tile_reg tile[NOUVEAU_MAX_TILE_NR];
641 
642 	/* VRAM/fb configuration */
643 	uint64_t vram_size;
644 	uint64_t vram_sys_base;
645 	u32 vram_rblock_size;
646 
647 	uint64_t fb_phys;
648 	uint64_t fb_available_size;
649 	uint64_t fb_mappable_pages;
650 	uint64_t fb_aper_free;
651 	int fb_mtrr;
652 
653 	/* G8x/G9x virtual address space */
654 	uint64_t vm_gart_base;
655 	uint64_t vm_gart_size;
656 	uint64_t vm_vram_base;
657 	uint64_t vm_vram_size;
658 	uint64_t vm_end;
659 	struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
660 	int vm_vram_pt_nr;
661 
662 	struct nvbios vbios;
663 
664 	struct nv04_mode_state mode_reg;
665 	struct nv04_mode_state saved_reg;
666 	uint32_t saved_vga_font[4][16384];
667 	uint32_t crtc_owner;
668 	uint32_t dac_users[4];
669 
670 	struct nouveau_suspend_resume {
671 		uint32_t *ramin_copy;
672 	} susres;
673 
674 	struct backlight_device *backlight;
675 
676 	struct nouveau_channel *evo;
677 	struct {
678 		struct dcb_entry *dcb;
679 		u16 script;
680 		u32 pclk;
681 	} evo_irq;
682 
683 	struct {
684 		struct dentry *channel_root;
685 	} debugfs;
686 
687 	struct nouveau_fbdev *nfbdev;
688 	struct apertures_struct *apertures;
689 };
690 
691 static inline struct drm_nouveau_private *
692 nouveau_private(struct drm_device *dev)
693 {
694 	return dev->dev_private;
695 }
696 
697 static inline struct drm_nouveau_private *
698 nouveau_bdev(struct ttm_bo_device *bd)
699 {
700 	return container_of(bd, struct drm_nouveau_private, ttm.bdev);
701 }
702 
703 static inline int
704 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
705 {
706 	struct nouveau_bo *prev;
707 
708 	if (!pnvbo)
709 		return -EINVAL;
710 	prev = *pnvbo;
711 
712 	*pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
713 	if (prev) {
714 		struct ttm_buffer_object *bo = &prev->bo;
715 
716 		ttm_bo_unref(&bo);
717 	}
718 
719 	return 0;
720 }
721 
722 #define NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(id, cl, ch) do {    \
723 	struct drm_nouveau_private *nv = dev->dev_private;       \
724 	if (!nouveau_channel_owner(dev, (cl), (id))) {           \
725 		NV_ERROR(dev, "pid %d doesn't own channel %d\n", \
726 			 DRM_CURRENTPID, (id));                  \
727 		return -EPERM;                                   \
728 	}                                                        \
729 	(ch) = nv->fifos[(id)];                                  \
730 } while (0)
731 
732 /* nouveau_drv.c */
733 extern int nouveau_agpmode;
734 extern int nouveau_duallink;
735 extern int nouveau_uscript_lvds;
736 extern int nouveau_uscript_tmds;
737 extern int nouveau_vram_pushbuf;
738 extern int nouveau_vram_notify;
739 extern int nouveau_fbpercrtc;
740 extern int nouveau_tv_disable;
741 extern char *nouveau_tv_norm;
742 extern int nouveau_reg_debug;
743 extern char *nouveau_vbios;
744 extern int nouveau_ignorelid;
745 extern int nouveau_nofbaccel;
746 extern int nouveau_noaccel;
747 extern int nouveau_force_post;
748 extern int nouveau_override_conntype;
749 extern char *nouveau_perflvl;
750 extern int nouveau_perflvl_wr;
751 
752 extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
753 extern int nouveau_pci_resume(struct pci_dev *pdev);
754 
755 /* nouveau_state.c */
756 extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
757 extern int  nouveau_load(struct drm_device *, unsigned long flags);
758 extern int  nouveau_firstopen(struct drm_device *);
759 extern void nouveau_lastclose(struct drm_device *);
760 extern int  nouveau_unload(struct drm_device *);
761 extern int  nouveau_ioctl_getparam(struct drm_device *, void *data,
762 				   struct drm_file *);
763 extern int  nouveau_ioctl_setparam(struct drm_device *, void *data,
764 				   struct drm_file *);
765 extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
766 			       uint32_t reg, uint32_t mask, uint32_t val);
767 extern bool nouveau_wait_for_idle(struct drm_device *);
768 extern int  nouveau_card_init(struct drm_device *);
769 
770 /* nouveau_mem.c */
771 extern int  nouveau_mem_vram_init(struct drm_device *);
772 extern void nouveau_mem_vram_fini(struct drm_device *);
773 extern int  nouveau_mem_gart_init(struct drm_device *);
774 extern void nouveau_mem_gart_fini(struct drm_device *);
775 extern int  nouveau_mem_init_agp(struct drm_device *);
776 extern int  nouveau_mem_reset_agp(struct drm_device *);
777 extern void nouveau_mem_close(struct drm_device *);
778 extern struct nouveau_tile_reg *nv10_mem_set_tiling(struct drm_device *dev,
779 						    uint32_t addr,
780 						    uint32_t size,
781 						    uint32_t pitch);
782 extern void nv10_mem_expire_tiling(struct drm_device *dev,
783 				   struct nouveau_tile_reg *tile,
784 				   struct nouveau_fence *fence);
785 extern int  nv50_mem_vm_bind_linear(struct drm_device *, uint64_t virt,
786 				    uint32_t size, uint32_t flags,
787 				    uint64_t phys);
788 extern void nv50_mem_vm_unbind(struct drm_device *, uint64_t virt,
789 			       uint32_t size);
790 
791 /* nouveau_notifier.c */
792 extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
793 extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
794 extern int  nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
795 				   int cout, uint32_t *offset);
796 extern int  nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
797 extern int  nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
798 					 struct drm_file *);
799 extern int  nouveau_ioctl_notifier_free(struct drm_device *, void *data,
800 					struct drm_file *);
801 
802 /* nouveau_channel.c */
803 extern struct drm_ioctl_desc nouveau_ioctls[];
804 extern int nouveau_max_ioctl;
805 extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *);
806 extern int  nouveau_channel_owner(struct drm_device *, struct drm_file *,
807 				  int channel);
808 extern int  nouveau_channel_alloc(struct drm_device *dev,
809 				  struct nouveau_channel **chan,
810 				  struct drm_file *file_priv,
811 				  uint32_t fb_ctxdma, uint32_t tt_ctxdma);
812 extern void nouveau_channel_free(struct nouveau_channel *);
813 
814 /* nouveau_object.c */
815 extern int  nouveau_gpuobj_early_init(struct drm_device *);
816 extern int  nouveau_gpuobj_init(struct drm_device *);
817 extern void nouveau_gpuobj_takedown(struct drm_device *);
818 extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
819 extern void nouveau_gpuobj_suspend_cleanup(struct drm_device *dev);
820 extern void nouveau_gpuobj_resume(struct drm_device *dev);
821 extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
822 				       uint32_t vram_h, uint32_t tt_h);
823 extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
824 extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
825 			      uint32_t size, int align, uint32_t flags,
826 			      struct nouveau_gpuobj **);
827 extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
828 			       struct nouveau_gpuobj **);
829 extern int nouveau_gpuobj_new_fake(struct drm_device *, u32 pinst, u64 vinst,
830 				   u32 size, u32 flags,
831 				   struct nouveau_gpuobj **);
832 extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
833 				  uint64_t offset, uint64_t size, int access,
834 				  int target, struct nouveau_gpuobj **);
835 extern int nouveau_gpuobj_gart_dma_new(struct nouveau_channel *,
836 				       uint64_t offset, uint64_t size,
837 				       int access, struct nouveau_gpuobj **,
838 				       uint32_t *o_ret);
839 extern int nouveau_gpuobj_gr_new(struct nouveau_channel *, int class,
840 				 struct nouveau_gpuobj **);
841 extern int nouveau_gpuobj_sw_new(struct nouveau_channel *, int class,
842 				 struct nouveau_gpuobj **);
843 extern int nouveau_ioctl_grobj_alloc(struct drm_device *, void *data,
844 				     struct drm_file *);
845 extern int nouveau_ioctl_gpuobj_free(struct drm_device *, void *data,
846 				     struct drm_file *);
847 
848 /* nouveau_irq.c */
849 extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS);
850 extern void        nouveau_irq_preinstall(struct drm_device *);
851 extern int         nouveau_irq_postinstall(struct drm_device *);
852 extern void        nouveau_irq_uninstall(struct drm_device *);
853 
854 /* nouveau_sgdma.c */
855 extern int nouveau_sgdma_init(struct drm_device *);
856 extern void nouveau_sgdma_takedown(struct drm_device *);
857 extern int nouveau_sgdma_get_page(struct drm_device *, uint32_t offset,
858 				  uint32_t *page);
859 extern struct ttm_backend *nouveau_sgdma_init_ttm(struct drm_device *);
860 
861 /* nouveau_debugfs.c */
862 #if defined(CONFIG_DRM_NOUVEAU_DEBUG)
863 extern int  nouveau_debugfs_init(struct drm_minor *);
864 extern void nouveau_debugfs_takedown(struct drm_minor *);
865 extern int  nouveau_debugfs_channel_init(struct nouveau_channel *);
866 extern void nouveau_debugfs_channel_fini(struct nouveau_channel *);
867 #else
868 static inline int
869 nouveau_debugfs_init(struct drm_minor *minor)
870 {
871 	return 0;
872 }
873 
874 static inline void nouveau_debugfs_takedown(struct drm_minor *minor)
875 {
876 }
877 
878 static inline int
879 nouveau_debugfs_channel_init(struct nouveau_channel *chan)
880 {
881 	return 0;
882 }
883 
884 static inline void
885 nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
886 {
887 }
888 #endif
889 
890 /* nouveau_dma.c */
891 extern void nouveau_dma_pre_init(struct nouveau_channel *);
892 extern int  nouveau_dma_init(struct nouveau_channel *);
893 extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
894 
895 /* nouveau_acpi.c */
896 #define ROM_BIOS_PAGE 4096
897 #if defined(CONFIG_ACPI)
898 void nouveau_register_dsm_handler(void);
899 void nouveau_unregister_dsm_handler(void);
900 int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
901 bool nouveau_acpi_rom_supported(struct pci_dev *pdev);
902 int nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
903 #else
904 static inline void nouveau_register_dsm_handler(void) {}
905 static inline void nouveau_unregister_dsm_handler(void) {}
906 static inline bool nouveau_acpi_rom_supported(struct pci_dev *pdev) { return false; }
907 static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
908 static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return -EINVAL; }
909 #endif
910 
911 /* nouveau_backlight.c */
912 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
913 extern int nouveau_backlight_init(struct drm_device *);
914 extern void nouveau_backlight_exit(struct drm_device *);
915 #else
916 static inline int nouveau_backlight_init(struct drm_device *dev)
917 {
918 	return 0;
919 }
920 
921 static inline void nouveau_backlight_exit(struct drm_device *dev) { }
922 #endif
923 
924 /* nouveau_bios.c */
925 extern int nouveau_bios_init(struct drm_device *);
926 extern void nouveau_bios_takedown(struct drm_device *dev);
927 extern int nouveau_run_vbios_init(struct drm_device *);
928 extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
929 					struct dcb_entry *);
930 extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
931 						      enum dcb_gpio_tag);
932 extern struct dcb_connector_table_entry *
933 nouveau_bios_connector_entry(struct drm_device *, int index);
934 extern u32 get_pll_register(struct drm_device *, enum pll_types);
935 extern int get_pll_limits(struct drm_device *, uint32_t limit_match,
936 			  struct pll_lims *);
937 extern int nouveau_bios_run_display_table(struct drm_device *,
938 					  struct dcb_entry *,
939 					  uint32_t script, int pxclk);
940 extern void *nouveau_bios_dp_table(struct drm_device *, struct dcb_entry *,
941 				   int *length);
942 extern bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
943 extern uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
944 extern int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
945 					 bool *dl, bool *if_is_24bit);
946 extern int run_tmds_table(struct drm_device *, struct dcb_entry *,
947 			  int head, int pxclk);
948 extern int call_lvds_script(struct drm_device *, struct dcb_entry *, int head,
949 			    enum LVDS_script, int pxclk);
950 
951 /* nouveau_ttm.c */
952 int nouveau_ttm_global_init(struct drm_nouveau_private *);
953 void nouveau_ttm_global_release(struct drm_nouveau_private *);
954 int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
955 
956 /* nouveau_dp.c */
957 int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
958 		     uint8_t *data, int data_nr);
959 bool nouveau_dp_detect(struct drm_encoder *);
960 bool nouveau_dp_link_train(struct drm_encoder *);
961 
962 /* nv04_fb.c */
963 extern int  nv04_fb_init(struct drm_device *);
964 extern void nv04_fb_takedown(struct drm_device *);
965 
966 /* nv10_fb.c */
967 extern int  nv10_fb_init(struct drm_device *);
968 extern void nv10_fb_takedown(struct drm_device *);
969 extern void nv10_fb_set_region_tiling(struct drm_device *, int, uint32_t,
970 				      uint32_t, uint32_t);
971 
972 /* nv30_fb.c */
973 extern int  nv30_fb_init(struct drm_device *);
974 extern void nv30_fb_takedown(struct drm_device *);
975 
976 /* nv40_fb.c */
977 extern int  nv40_fb_init(struct drm_device *);
978 extern void nv40_fb_takedown(struct drm_device *);
979 extern void nv40_fb_set_region_tiling(struct drm_device *, int, uint32_t,
980 				      uint32_t, uint32_t);
981 /* nv50_fb.c */
982 extern int  nv50_fb_init(struct drm_device *);
983 extern void nv50_fb_takedown(struct drm_device *);
984 extern void nv50_fb_vm_trap(struct drm_device *, int display, const char *);
985 
986 /* nvc0_fb.c */
987 extern int  nvc0_fb_init(struct drm_device *);
988 extern void nvc0_fb_takedown(struct drm_device *);
989 
990 /* nv04_fifo.c */
991 extern int  nv04_fifo_init(struct drm_device *);
992 extern void nv04_fifo_disable(struct drm_device *);
993 extern void nv04_fifo_enable(struct drm_device *);
994 extern bool nv04_fifo_reassign(struct drm_device *, bool);
995 extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
996 extern int  nv04_fifo_channel_id(struct drm_device *);
997 extern int  nv04_fifo_create_context(struct nouveau_channel *);
998 extern void nv04_fifo_destroy_context(struct nouveau_channel *);
999 extern int  nv04_fifo_load_context(struct nouveau_channel *);
1000 extern int  nv04_fifo_unload_context(struct drm_device *);
1001 
1002 /* nv10_fifo.c */
1003 extern int  nv10_fifo_init(struct drm_device *);
1004 extern int  nv10_fifo_channel_id(struct drm_device *);
1005 extern int  nv10_fifo_create_context(struct nouveau_channel *);
1006 extern void nv10_fifo_destroy_context(struct nouveau_channel *);
1007 extern int  nv10_fifo_load_context(struct nouveau_channel *);
1008 extern int  nv10_fifo_unload_context(struct drm_device *);
1009 
1010 /* nv40_fifo.c */
1011 extern int  nv40_fifo_init(struct drm_device *);
1012 extern int  nv40_fifo_create_context(struct nouveau_channel *);
1013 extern void nv40_fifo_destroy_context(struct nouveau_channel *);
1014 extern int  nv40_fifo_load_context(struct nouveau_channel *);
1015 extern int  nv40_fifo_unload_context(struct drm_device *);
1016 
1017 /* nv50_fifo.c */
1018 extern int  nv50_fifo_init(struct drm_device *);
1019 extern void nv50_fifo_takedown(struct drm_device *);
1020 extern int  nv50_fifo_channel_id(struct drm_device *);
1021 extern int  nv50_fifo_create_context(struct nouveau_channel *);
1022 extern void nv50_fifo_destroy_context(struct nouveau_channel *);
1023 extern int  nv50_fifo_load_context(struct nouveau_channel *);
1024 extern int  nv50_fifo_unload_context(struct drm_device *);
1025 extern void nv50_fifo_tlb_flush(struct drm_device *dev);
1026 
1027 /* nvc0_fifo.c */
1028 extern int  nvc0_fifo_init(struct drm_device *);
1029 extern void nvc0_fifo_takedown(struct drm_device *);
1030 extern void nvc0_fifo_disable(struct drm_device *);
1031 extern void nvc0_fifo_enable(struct drm_device *);
1032 extern bool nvc0_fifo_reassign(struct drm_device *, bool);
1033 extern bool nvc0_fifo_cache_pull(struct drm_device *, bool);
1034 extern int  nvc0_fifo_channel_id(struct drm_device *);
1035 extern int  nvc0_fifo_create_context(struct nouveau_channel *);
1036 extern void nvc0_fifo_destroy_context(struct nouveau_channel *);
1037 extern int  nvc0_fifo_load_context(struct nouveau_channel *);
1038 extern int  nvc0_fifo_unload_context(struct drm_device *);
1039 
1040 /* nv04_graph.c */
1041 extern struct nouveau_pgraph_object_class nv04_graph_grclass[];
1042 extern int  nv04_graph_init(struct drm_device *);
1043 extern void nv04_graph_takedown(struct drm_device *);
1044 extern void nv04_graph_fifo_access(struct drm_device *, bool);
1045 extern struct nouveau_channel *nv04_graph_channel(struct drm_device *);
1046 extern int  nv04_graph_create_context(struct nouveau_channel *);
1047 extern void nv04_graph_destroy_context(struct nouveau_channel *);
1048 extern int  nv04_graph_load_context(struct nouveau_channel *);
1049 extern int  nv04_graph_unload_context(struct drm_device *);
1050 extern void nv04_graph_context_switch(struct drm_device *);
1051 
1052 /* nv10_graph.c */
1053 extern struct nouveau_pgraph_object_class nv10_graph_grclass[];
1054 extern int  nv10_graph_init(struct drm_device *);
1055 extern void nv10_graph_takedown(struct drm_device *);
1056 extern struct nouveau_channel *nv10_graph_channel(struct drm_device *);
1057 extern int  nv10_graph_create_context(struct nouveau_channel *);
1058 extern void nv10_graph_destroy_context(struct nouveau_channel *);
1059 extern int  nv10_graph_load_context(struct nouveau_channel *);
1060 extern int  nv10_graph_unload_context(struct drm_device *);
1061 extern void nv10_graph_context_switch(struct drm_device *);
1062 extern void nv10_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1063 					 uint32_t, uint32_t);
1064 
1065 /* nv20_graph.c */
1066 extern struct nouveau_pgraph_object_class nv20_graph_grclass[];
1067 extern struct nouveau_pgraph_object_class nv30_graph_grclass[];
1068 extern int  nv20_graph_create_context(struct nouveau_channel *);
1069 extern void nv20_graph_destroy_context(struct nouveau_channel *);
1070 extern int  nv20_graph_load_context(struct nouveau_channel *);
1071 extern int  nv20_graph_unload_context(struct drm_device *);
1072 extern int  nv20_graph_init(struct drm_device *);
1073 extern void nv20_graph_takedown(struct drm_device *);
1074 extern int  nv30_graph_init(struct drm_device *);
1075 extern void nv20_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1076 					 uint32_t, uint32_t);
1077 
1078 /* nv40_graph.c */
1079 extern struct nouveau_pgraph_object_class nv40_graph_grclass[];
1080 extern int  nv40_graph_init(struct drm_device *);
1081 extern void nv40_graph_takedown(struct drm_device *);
1082 extern struct nouveau_channel *nv40_graph_channel(struct drm_device *);
1083 extern int  nv40_graph_create_context(struct nouveau_channel *);
1084 extern void nv40_graph_destroy_context(struct nouveau_channel *);
1085 extern int  nv40_graph_load_context(struct nouveau_channel *);
1086 extern int  nv40_graph_unload_context(struct drm_device *);
1087 extern void nv40_grctx_init(struct nouveau_grctx *);
1088 extern void nv40_graph_set_region_tiling(struct drm_device *, int, uint32_t,
1089 					 uint32_t, uint32_t);
1090 
1091 /* nv50_graph.c */
1092 extern struct nouveau_pgraph_object_class nv50_graph_grclass[];
1093 extern int  nv50_graph_init(struct drm_device *);
1094 extern void nv50_graph_takedown(struct drm_device *);
1095 extern void nv50_graph_fifo_access(struct drm_device *, bool);
1096 extern struct nouveau_channel *nv50_graph_channel(struct drm_device *);
1097 extern int  nv50_graph_create_context(struct nouveau_channel *);
1098 extern void nv50_graph_destroy_context(struct nouveau_channel *);
1099 extern int  nv50_graph_load_context(struct nouveau_channel *);
1100 extern int  nv50_graph_unload_context(struct drm_device *);
1101 extern void nv50_graph_context_switch(struct drm_device *);
1102 extern int  nv50_grctx_init(struct nouveau_grctx *);
1103 extern void nv50_graph_tlb_flush(struct drm_device *dev);
1104 extern void nv86_graph_tlb_flush(struct drm_device *dev);
1105 
1106 /* nvc0_graph.c */
1107 extern int  nvc0_graph_init(struct drm_device *);
1108 extern void nvc0_graph_takedown(struct drm_device *);
1109 extern void nvc0_graph_fifo_access(struct drm_device *, bool);
1110 extern struct nouveau_channel *nvc0_graph_channel(struct drm_device *);
1111 extern int  nvc0_graph_create_context(struct nouveau_channel *);
1112 extern void nvc0_graph_destroy_context(struct nouveau_channel *);
1113 extern int  nvc0_graph_load_context(struct nouveau_channel *);
1114 extern int  nvc0_graph_unload_context(struct drm_device *);
1115 
1116 /* nv04_instmem.c */
1117 extern int  nv04_instmem_init(struct drm_device *);
1118 extern void nv04_instmem_takedown(struct drm_device *);
1119 extern int  nv04_instmem_suspend(struct drm_device *);
1120 extern void nv04_instmem_resume(struct drm_device *);
1121 extern int  nv04_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1122 				  uint32_t *size);
1123 extern void nv04_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1124 extern int  nv04_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1125 extern int  nv04_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1126 extern void nv04_instmem_flush(struct drm_device *);
1127 
1128 /* nv50_instmem.c */
1129 extern int  nv50_instmem_init(struct drm_device *);
1130 extern void nv50_instmem_takedown(struct drm_device *);
1131 extern int  nv50_instmem_suspend(struct drm_device *);
1132 extern void nv50_instmem_resume(struct drm_device *);
1133 extern int  nv50_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1134 				  uint32_t *size);
1135 extern void nv50_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1136 extern int  nv50_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1137 extern int  nv50_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1138 extern void nv50_instmem_flush(struct drm_device *);
1139 extern void nv84_instmem_flush(struct drm_device *);
1140 extern void nv50_vm_flush(struct drm_device *, int engine);
1141 
1142 /* nvc0_instmem.c */
1143 extern int  nvc0_instmem_init(struct drm_device *);
1144 extern void nvc0_instmem_takedown(struct drm_device *);
1145 extern int  nvc0_instmem_suspend(struct drm_device *);
1146 extern void nvc0_instmem_resume(struct drm_device *);
1147 extern int  nvc0_instmem_populate(struct drm_device *, struct nouveau_gpuobj *,
1148 				  uint32_t *size);
1149 extern void nvc0_instmem_clear(struct drm_device *, struct nouveau_gpuobj *);
1150 extern int  nvc0_instmem_bind(struct drm_device *, struct nouveau_gpuobj *);
1151 extern int  nvc0_instmem_unbind(struct drm_device *, struct nouveau_gpuobj *);
1152 extern void nvc0_instmem_flush(struct drm_device *);
1153 
1154 /* nv04_mc.c */
1155 extern int  nv04_mc_init(struct drm_device *);
1156 extern void nv04_mc_takedown(struct drm_device *);
1157 
1158 /* nv40_mc.c */
1159 extern int  nv40_mc_init(struct drm_device *);
1160 extern void nv40_mc_takedown(struct drm_device *);
1161 
1162 /* nv50_mc.c */
1163 extern int  nv50_mc_init(struct drm_device *);
1164 extern void nv50_mc_takedown(struct drm_device *);
1165 
1166 /* nv04_timer.c */
1167 extern int  nv04_timer_init(struct drm_device *);
1168 extern uint64_t nv04_timer_read(struct drm_device *);
1169 extern void nv04_timer_takedown(struct drm_device *);
1170 
1171 extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
1172 				 unsigned long arg);
1173 
1174 /* nv04_dac.c */
1175 extern int nv04_dac_create(struct drm_connector *, struct dcb_entry *);
1176 extern uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
1177 extern int nv04_dac_output_offset(struct drm_encoder *encoder);
1178 extern void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
1179 extern bool nv04_dac_in_use(struct drm_encoder *encoder);
1180 
1181 /* nv04_dfp.c */
1182 extern int nv04_dfp_create(struct drm_connector *, struct dcb_entry *);
1183 extern int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent);
1184 extern void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent,
1185 			       int head, bool dl);
1186 extern void nv04_dfp_disable(struct drm_device *dev, int head);
1187 extern void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode);
1188 
1189 /* nv04_tv.c */
1190 extern int nv04_tv_identify(struct drm_device *dev, int i2c_index);
1191 extern int nv04_tv_create(struct drm_connector *, struct dcb_entry *);
1192 
1193 /* nv17_tv.c */
1194 extern int nv17_tv_create(struct drm_connector *, struct dcb_entry *);
1195 
1196 /* nv04_display.c */
1197 extern int nv04_display_early_init(struct drm_device *);
1198 extern void nv04_display_late_takedown(struct drm_device *);
1199 extern int nv04_display_create(struct drm_device *);
1200 extern int nv04_display_init(struct drm_device *);
1201 extern void nv04_display_destroy(struct drm_device *);
1202 
1203 /* nv04_crtc.c */
1204 extern int nv04_crtc_create(struct drm_device *, int index);
1205 
1206 /* nouveau_bo.c */
1207 extern struct ttm_bo_driver nouveau_bo_driver;
1208 extern int nouveau_bo_new(struct drm_device *, struct nouveau_channel *,
1209 			  int size, int align, uint32_t flags,
1210 			  uint32_t tile_mode, uint32_t tile_flags,
1211 			  bool no_vm, bool mappable, struct nouveau_bo **);
1212 extern int nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
1213 extern int nouveau_bo_unpin(struct nouveau_bo *);
1214 extern int nouveau_bo_map(struct nouveau_bo *);
1215 extern void nouveau_bo_unmap(struct nouveau_bo *);
1216 extern void nouveau_bo_placement_set(struct nouveau_bo *, uint32_t type,
1217 				     uint32_t busy);
1218 extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
1219 extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
1220 extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
1221 extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
1222 
1223 /* nouveau_fence.c */
1224 struct nouveau_fence;
1225 extern int nouveau_fence_init(struct drm_device *);
1226 extern void nouveau_fence_fini(struct drm_device *);
1227 extern int nouveau_fence_channel_init(struct nouveau_channel *);
1228 extern void nouveau_fence_channel_fini(struct nouveau_channel *);
1229 extern void nouveau_fence_update(struct nouveau_channel *);
1230 extern int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **,
1231 			     bool emit);
1232 extern int nouveau_fence_emit(struct nouveau_fence *);
1233 extern void nouveau_fence_work(struct nouveau_fence *fence,
1234 			       void (*work)(void *priv, bool signalled),
1235 			       void *priv);
1236 struct nouveau_channel *nouveau_fence_channel(struct nouveau_fence *);
1237 extern bool nouveau_fence_signalled(void *obj, void *arg);
1238 extern int nouveau_fence_wait(void *obj, void *arg, bool lazy, bool intr);
1239 extern int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
1240 extern int nouveau_fence_flush(void *obj, void *arg);
1241 extern void nouveau_fence_unref(void **obj);
1242 extern void *nouveau_fence_ref(void *obj);
1243 
1244 /* nouveau_gem.c */
1245 extern int nouveau_gem_new(struct drm_device *, struct nouveau_channel *,
1246 			   int size, int align, uint32_t flags,
1247 			   uint32_t tile_mode, uint32_t tile_flags,
1248 			   bool no_vm, bool mappable, struct nouveau_bo **);
1249 extern int nouveau_gem_object_new(struct drm_gem_object *);
1250 extern void nouveau_gem_object_del(struct drm_gem_object *);
1251 extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
1252 				 struct drm_file *);
1253 extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
1254 				     struct drm_file *);
1255 extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
1256 				      struct drm_file *);
1257 extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
1258 				      struct drm_file *);
1259 extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
1260 				  struct drm_file *);
1261 
1262 /* nv10_gpio.c */
1263 int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1264 int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1265 
1266 /* nv50_gpio.c */
1267 int nv50_gpio_init(struct drm_device *dev);
1268 int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
1269 int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
1270 void nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
1271 
1272 /* nv50_calc. */
1273 int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
1274 		  int *N1, int *M1, int *N2, int *M2, int *P);
1275 int nv50_calc_pll2(struct drm_device *, struct pll_lims *,
1276 		   int clk, int *N, int *fN, int *M, int *P);
1277 
1278 #ifndef ioread32_native
1279 #ifdef __BIG_ENDIAN
1280 #define ioread16_native ioread16be
1281 #define iowrite16_native iowrite16be
1282 #define ioread32_native  ioread32be
1283 #define iowrite32_native iowrite32be
1284 #else /* def __BIG_ENDIAN */
1285 #define ioread16_native ioread16
1286 #define iowrite16_native iowrite16
1287 #define ioread32_native  ioread32
1288 #define iowrite32_native iowrite32
1289 #endif /* def __BIG_ENDIAN else */
1290 #endif /* !ioread32_native */
1291 
1292 /* channel control reg access */
1293 static inline u32 nvchan_rd32(struct nouveau_channel *chan, unsigned reg)
1294 {
1295 	return ioread32_native(chan->user + reg);
1296 }
1297 
1298 static inline void nvchan_wr32(struct nouveau_channel *chan,
1299 							unsigned reg, u32 val)
1300 {
1301 	iowrite32_native(val, chan->user + reg);
1302 }
1303 
1304 /* register access */
1305 static inline u32 nv_rd32(struct drm_device *dev, unsigned reg)
1306 {
1307 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1308 	return ioread32_native(dev_priv->mmio + reg);
1309 }
1310 
1311 static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
1312 {
1313 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1314 	iowrite32_native(val, dev_priv->mmio + reg);
1315 }
1316 
1317 static inline u32 nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
1318 {
1319 	u32 tmp = nv_rd32(dev, reg);
1320 	nv_wr32(dev, reg, (tmp & ~mask) | val);
1321 	return tmp;
1322 }
1323 
1324 static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
1325 {
1326 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1327 	return ioread8(dev_priv->mmio + reg);
1328 }
1329 
1330 static inline void nv_wr08(struct drm_device *dev, unsigned reg, u8 val)
1331 {
1332 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1333 	iowrite8(val, dev_priv->mmio + reg);
1334 }
1335 
1336 #define nv_wait(dev, reg, mask, val) \
1337 	nouveau_wait_until(dev, 2000000000ULL, (reg), (mask), (val))
1338 
1339 /* PRAMIN access */
1340 static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
1341 {
1342 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1343 	return ioread32_native(dev_priv->ramin + offset);
1344 }
1345 
1346 static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
1347 {
1348 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1349 	iowrite32_native(val, dev_priv->ramin + offset);
1350 }
1351 
1352 /* object access */
1353 extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
1354 extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
1355 
1356 /*
1357  * Logging
1358  * Argument d is (struct drm_device *).
1359  */
1360 #define NV_PRINTK(level, d, fmt, arg...) \
1361 	printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
1362 					pci_name(d->pdev), ##arg)
1363 #ifndef NV_DEBUG_NOTRACE
1364 #define NV_DEBUG(d, fmt, arg...) do {                                          \
1365 	if (drm_debug & DRM_UT_DRIVER) {                                       \
1366 		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1367 			  __LINE__, ##arg);                                    \
1368 	}                                                                      \
1369 } while (0)
1370 #define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1371 	if (drm_debug & DRM_UT_KMS) {                                          \
1372 		NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__,             \
1373 			  __LINE__, ##arg);                                    \
1374 	}                                                                      \
1375 } while (0)
1376 #else
1377 #define NV_DEBUG(d, fmt, arg...) do {                                          \
1378 	if (drm_debug & DRM_UT_DRIVER)                                         \
1379 		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1380 } while (0)
1381 #define NV_DEBUG_KMS(d, fmt, arg...) do {                                      \
1382 	if (drm_debug & DRM_UT_KMS)                                            \
1383 		NV_PRINTK(KERN_DEBUG, d, fmt, ##arg);                          \
1384 } while (0)
1385 #endif
1386 #define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
1387 #define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1388 #define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
1389 #define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
1390 #define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
1391 
1392 /* nouveau_reg_debug bitmask */
1393 enum {
1394 	NOUVEAU_REG_DEBUG_MC             = 0x1,
1395 	NOUVEAU_REG_DEBUG_VIDEO          = 0x2,
1396 	NOUVEAU_REG_DEBUG_FB             = 0x4,
1397 	NOUVEAU_REG_DEBUG_EXTDEV         = 0x8,
1398 	NOUVEAU_REG_DEBUG_CRTC           = 0x10,
1399 	NOUVEAU_REG_DEBUG_RAMDAC         = 0x20,
1400 	NOUVEAU_REG_DEBUG_VGACRTC        = 0x40,
1401 	NOUVEAU_REG_DEBUG_RMVIO          = 0x80,
1402 	NOUVEAU_REG_DEBUG_VGAATTR        = 0x100,
1403 	NOUVEAU_REG_DEBUG_EVO            = 0x200,
1404 };
1405 
1406 #define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
1407 	if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
1408 		NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
1409 } while (0)
1410 
1411 static inline bool
1412 nv_two_heads(struct drm_device *dev)
1413 {
1414 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1415 	const int impl = dev->pci_device & 0x0ff0;
1416 
1417 	if (dev_priv->card_type >= NV_10 && impl != 0x0100 &&
1418 	    impl != 0x0150 && impl != 0x01a0 && impl != 0x0200)
1419 		return true;
1420 
1421 	return false;
1422 }
1423 
1424 static inline bool
1425 nv_gf4_disp_arch(struct drm_device *dev)
1426 {
1427 	return nv_two_heads(dev) && (dev->pci_device & 0x0ff0) != 0x0110;
1428 }
1429 
1430 static inline bool
1431 nv_two_reg_pll(struct drm_device *dev)
1432 {
1433 	struct drm_nouveau_private *dev_priv = dev->dev_private;
1434 	const int impl = dev->pci_device & 0x0ff0;
1435 
1436 	if (impl == 0x0310 || impl == 0x0340 || dev_priv->card_type >= NV_40)
1437 		return true;
1438 	return false;
1439 }
1440 
1441 static inline bool
1442 nv_match_device(struct drm_device *dev, unsigned device,
1443 		unsigned sub_vendor, unsigned sub_device)
1444 {
1445 	return dev->pdev->device == device &&
1446 		dev->pdev->subsystem_vendor == sub_vendor &&
1447 		dev->pdev->subsystem_device == sub_device;
1448 }
1449 
1450 #define NV_SW                                                        0x0000506e
1451 #define NV_SW_DMA_SEMAPHORE                                          0x00000060
1452 #define NV_SW_SEMAPHORE_OFFSET                                       0x00000064
1453 #define NV_SW_SEMAPHORE_ACQUIRE                                      0x00000068
1454 #define NV_SW_SEMAPHORE_RELEASE                                      0x0000006c
1455 #define NV_SW_YIELD                                                  0x00000080
1456 #define NV_SW_DMA_VBLSEM                                             0x0000018c
1457 #define NV_SW_VBLSEM_OFFSET                                          0x00000400
1458 #define NV_SW_VBLSEM_RELEASE_VALUE                                   0x00000404
1459 #define NV_SW_VBLSEM_RELEASE                                         0x00000408
1460 
1461 #endif /* __NOUVEAU_DRV_H__ */
1462