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[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_drv.h
1 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
2 */
3 /*
4 *
5 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
24 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
28 */
29
30 #ifndef _I915_DRV_H_
31 #define _I915_DRV_H_
32
33 #include "i915_reg.h"
34 #include "intel_bios.h"
35 #include <linux/io-mapping.h>
36
37 /* General customization:
38 */
39
40 #define DRIVER_AUTHOR "Tungsten Graphics, Inc."
41
42 #define DRIVER_NAME "i915"
43 #define DRIVER_DESC "Intel Graphics"
44 #define DRIVER_DATE "20080730"
45
46 enum pipe {
47 PIPE_A = 0,
48 PIPE_B,
49 };
50
51 enum plane {
52 PLANE_A = 0,
53 PLANE_B,
54 };
55
56 #define I915_NUM_PIPE 2
57
58 /* Interface history:
59 *
60 * 1.1: Original.
61 * 1.2: Add Power Management
62 * 1.3: Add vblank support
63 * 1.4: Fix cmdbuffer path, add heap destroy
64 * 1.5: Add vblank pipe configuration
65 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
66 * - Support vertical blank on secondary display pipe
67 */
68 #define DRIVER_MAJOR 1
69 #define DRIVER_MINOR 6
70 #define DRIVER_PATCHLEVEL 0
71
72 #define WATCH_COHERENCY 0
73 #define WATCH_BUF 0
74 #define WATCH_EXEC 0
75 #define WATCH_LRU 0
76 #define WATCH_RELOC 0
77 #define WATCH_INACTIVE 0
78 #define WATCH_PWRITE 0
79
80 #define I915_GEM_PHYS_CURSOR_0 1
81 #define I915_GEM_PHYS_CURSOR_1 2
82 #define I915_GEM_PHYS_OVERLAY_REGS 3
83 #define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
84
85 struct drm_i915_gem_phys_object {
86 int id;
87 struct page **page_list;
88 drm_dma_handle_t *handle;
89 struct drm_gem_object *cur_obj;
90 };
91
92 typedef struct _drm_i915_ring_buffer {
93 unsigned long Size;
94 u8 *virtual_start;
95 int head;
96 int tail;
97 int space;
98 drm_local_map_t map;
99 struct drm_gem_object *ring_obj;
100 } drm_i915_ring_buffer_t;
101
102 struct mem_block {
103 struct mem_block *next;
104 struct mem_block *prev;
105 int start;
106 int size;
107 struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
108 };
109
110 struct opregion_header;
111 struct opregion_acpi;
112 struct opregion_swsci;
113 struct opregion_asle;
114
115 struct intel_opregion {
116 struct opregion_header *header;
117 struct opregion_acpi *acpi;
118 struct opregion_swsci *swsci;
119 struct opregion_asle *asle;
120 int enabled;
121 };
122
123 struct drm_i915_master_private {
124 drm_local_map_t *sarea;
125 struct _drm_i915_sarea *sarea_priv;
126 };
127 #define I915_FENCE_REG_NONE -1
128
129 struct drm_i915_fence_reg {
130 struct drm_gem_object *obj;
131 };
132
133 struct sdvo_device_mapping {
134 u8 dvo_port;
135 u8 slave_addr;
136 u8 dvo_wiring;
137 u8 initialized;
138 };
139
140 struct drm_i915_error_state {
141 u32 eir;
142 u32 pgtbl_er;
143 u32 pipeastat;
144 u32 pipebstat;
145 u32 ipeir;
146 u32 ipehr;
147 u32 instdone;
148 u32 acthd;
149 u32 instpm;
150 u32 instps;
151 u32 instdone1;
152 u32 seqno;
153 struct timeval time;
154 };
155
156 struct drm_i915_display_funcs {
157 void (*dpms)(struct drm_crtc *crtc, int mode);
158 bool (*fbc_enabled)(struct drm_crtc *crtc);
159 void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval);
160 void (*disable_fbc)(struct drm_device *dev);
161 int (*get_display_clock_speed)(struct drm_device *dev);
162 int (*get_fifo_size)(struct drm_device *dev, int plane);
163 void (*update_wm)(struct drm_device *dev, int planea_clock,
164 int planeb_clock, int sr_hdisplay, int pixel_size);
165 /* clock updates for mode set */
166 /* cursor updates */
167 /* render clock increase/decrease */
168 /* display clock increase/decrease */
169 /* pll clock increase/decrease */
170 /* clock gating init */
171 };
172
173 struct intel_overlay;
174
175 typedef struct drm_i915_private {
176 struct drm_device *dev;
177
178 int has_gem;
179
180 void __iomem *regs;
181
182 struct pci_dev *bridge_dev;
183 drm_i915_ring_buffer_t ring;
184
185 drm_dma_handle_t *status_page_dmah;
186 void *hw_status_page;
187 dma_addr_t dma_status_page;
188 uint32_t counter;
189 unsigned int status_gfx_addr;
190 drm_local_map_t hws_map;
191 struct drm_gem_object *hws_obj;
192 struct drm_gem_object *pwrctx;
193
194 struct resource mch_res;
195
196 unsigned int cpp;
197 int back_offset;
198 int front_offset;
199 int current_page;
200 int page_flipping;
201
202 wait_queue_head_t irq_queue;
203 atomic_t irq_received;
204 /** Protects user_irq_refcount and irq_mask_reg */
205 spinlock_t user_irq_lock;
206 /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
207 int user_irq_refcount;
208 u32 trace_irq_seqno;
209 /** Cached value of IMR to avoid reads in updating the bitfield */
210 u32 irq_mask_reg;
211 u32 pipestat[2];
212 /** splitted irq regs for graphics and display engine on IGDNG,
213 irq_mask_reg is still used for display irq. */
214 u32 gt_irq_mask_reg;
215 u32 gt_irq_enable_reg;
216 u32 de_irq_enable_reg;
217 u32 pch_irq_mask_reg;
218 u32 pch_irq_enable_reg;
219
220 u32 hotplug_supported_mask;
221 struct work_struct hotplug_work;
222
223 int tex_lru_log_granularity;
224 int allow_batchbuffer;
225 struct mem_block *agp_heap;
226 unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
227 int vblank_pipe;
228
229 /* For hangcheck timer */
230 #define DRM_I915_HANGCHECK_PERIOD 75 /* in jiffies */
231 struct timer_list hangcheck_timer;
232 int hangcheck_count;
233 uint32_t last_acthd;
234
235 bool cursor_needs_physical;
236
237 struct drm_mm vram;
238
239 unsigned long cfb_size;
240 unsigned long cfb_pitch;
241 int cfb_fence;
242 int cfb_plane;
243
244 int irq_enabled;
245
246 struct intel_opregion opregion;
247
248 /* overlay */
249 struct intel_overlay *overlay;
250
251 /* LVDS info */
252 int backlight_duty_cycle; /* restore backlight to this value */
253 bool panel_wants_dither;
254 struct drm_display_mode *panel_fixed_mode;
255 struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
256 struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
257
258 /* Feature bits from the VBIOS */
259 unsigned int int_tv_support:1;
260 unsigned int lvds_dither:1;
261 unsigned int lvds_vbt:1;
262 unsigned int int_crt_support:1;
263 unsigned int lvds_use_ssc:1;
264 unsigned int edp_support:1;
265 int lvds_ssc_freq;
266
267 struct notifier_block lid_notifier;
268
269 int crt_ddc_bus; /* -1 = unknown, else GPIO to use for CRT DDC */
270 struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
271 int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
272 int num_fence_regs; /* 8 on pre-965, 16 otherwise */
273
274 unsigned int fsb_freq, mem_freq;
275
276 spinlock_t error_lock;
277 struct drm_i915_error_state *first_error;
278 struct work_struct error_work;
279 struct workqueue_struct *wq;
280
281 /* Display functions */
282 struct drm_i915_display_funcs display;
283
284 /* Register state */
285 bool modeset_on_lid;
286 u8 saveLBB;
287 u32 saveDSPACNTR;
288 u32 saveDSPBCNTR;
289 u32 saveDSPARB;
290 u32 saveRENDERSTANDBY;
291 u32 savePWRCTXA;
292 u32 saveHWS;
293 u32 savePIPEACONF;
294 u32 savePIPEBCONF;
295 u32 savePIPEASRC;
296 u32 savePIPEBSRC;
297 u32 saveFPA0;
298 u32 saveFPA1;
299 u32 saveDPLL_A;
300 u32 saveDPLL_A_MD;
301 u32 saveHTOTAL_A;
302 u32 saveHBLANK_A;
303 u32 saveHSYNC_A;
304 u32 saveVTOTAL_A;
305 u32 saveVBLANK_A;
306 u32 saveVSYNC_A;
307 u32 saveBCLRPAT_A;
308 u32 saveTRANS_HTOTAL_A;
309 u32 saveTRANS_HBLANK_A;
310 u32 saveTRANS_HSYNC_A;
311 u32 saveTRANS_VTOTAL_A;
312 u32 saveTRANS_VBLANK_A;
313 u32 saveTRANS_VSYNC_A;
314 u32 savePIPEASTAT;
315 u32 saveDSPASTRIDE;
316 u32 saveDSPASIZE;
317 u32 saveDSPAPOS;
318 u32 saveDSPAADDR;
319 u32 saveDSPASURF;
320 u32 saveDSPATILEOFF;
321 u32 savePFIT_PGM_RATIOS;
322 u32 saveBLC_HIST_CTL;
323 u32 saveBLC_PWM_CTL;
324 u32 saveBLC_PWM_CTL2;
325 u32 saveBLC_CPU_PWM_CTL;
326 u32 saveBLC_CPU_PWM_CTL2;
327 u32 saveFPB0;
328 u32 saveFPB1;
329 u32 saveDPLL_B;
330 u32 saveDPLL_B_MD;
331 u32 saveHTOTAL_B;
332 u32 saveHBLANK_B;
333 u32 saveHSYNC_B;
334 u32 saveVTOTAL_B;
335 u32 saveVBLANK_B;
336 u32 saveVSYNC_B;
337 u32 saveBCLRPAT_B;
338 u32 saveTRANS_HTOTAL_B;
339 u32 saveTRANS_HBLANK_B;
340 u32 saveTRANS_HSYNC_B;
341 u32 saveTRANS_VTOTAL_B;
342 u32 saveTRANS_VBLANK_B;
343 u32 saveTRANS_VSYNC_B;
344 u32 savePIPEBSTAT;
345 u32 saveDSPBSTRIDE;
346 u32 saveDSPBSIZE;
347 u32 saveDSPBPOS;
348 u32 saveDSPBADDR;
349 u32 saveDSPBSURF;
350 u32 saveDSPBTILEOFF;
351 u32 saveVGA0;
352 u32 saveVGA1;
353 u32 saveVGA_PD;
354 u32 saveVGACNTRL;
355 u32 saveADPA;
356 u32 saveLVDS;
357 u32 savePP_ON_DELAYS;
358 u32 savePP_OFF_DELAYS;
359 u32 saveDVOA;
360 u32 saveDVOB;
361 u32 saveDVOC;
362 u32 savePP_ON;
363 u32 savePP_OFF;
364 u32 savePP_CONTROL;
365 u32 savePP_DIVISOR;
366 u32 savePFIT_CONTROL;
367 u32 save_palette_a[256];
368 u32 save_palette_b[256];
369 u32 saveDPFC_CB_BASE;
370 u32 saveFBC_CFB_BASE;
371 u32 saveFBC_LL_BASE;
372 u32 saveFBC_CONTROL;
373 u32 saveFBC_CONTROL2;
374 u32 saveIER;
375 u32 saveIIR;
376 u32 saveIMR;
377 u32 saveDEIER;
378 u32 saveDEIMR;
379 u32 saveGTIER;
380 u32 saveGTIMR;
381 u32 saveFDI_RXA_IMR;
382 u32 saveFDI_RXB_IMR;
383 u32 saveCACHE_MODE_0;
384 u32 saveD_STATE;
385 u32 saveDSPCLK_GATE_D;
386 u32 saveMI_ARB_STATE;
387 u32 saveSWF0[16];
388 u32 saveSWF1[16];
389 u32 saveSWF2[3];
390 u8 saveMSR;
391 u8 saveSR[8];
392 u8 saveGR[25];
393 u8 saveAR_INDEX;
394 u8 saveAR[21];
395 u8 saveDACMASK;
396 u8 saveCR[37];
397 uint64_t saveFENCE[16];
398 u32 saveCURACNTR;
399 u32 saveCURAPOS;
400 u32 saveCURABASE;
401 u32 saveCURBCNTR;
402 u32 saveCURBPOS;
403 u32 saveCURBBASE;
404 u32 saveCURSIZE;
405 u32 saveDP_B;
406 u32 saveDP_C;
407 u32 saveDP_D;
408 u32 savePIPEA_GMCH_DATA_M;
409 u32 savePIPEB_GMCH_DATA_M;
410 u32 savePIPEA_GMCH_DATA_N;
411 u32 savePIPEB_GMCH_DATA_N;
412 u32 savePIPEA_DP_LINK_M;
413 u32 savePIPEB_DP_LINK_M;
414 u32 savePIPEA_DP_LINK_N;
415 u32 savePIPEB_DP_LINK_N;
416 u32 saveFDI_RXA_CTL;
417 u32 saveFDI_TXA_CTL;
418 u32 saveFDI_RXB_CTL;
419 u32 saveFDI_TXB_CTL;
420 u32 savePFA_CTL_1;
421 u32 savePFB_CTL_1;
422 u32 savePFA_WIN_SZ;
423 u32 savePFB_WIN_SZ;
424 u32 savePFA_WIN_POS;
425 u32 savePFB_WIN_POS;
426
427 struct {
428 struct drm_mm gtt_space;
429
430 struct io_mapping *gtt_mapping;
431 int gtt_mtrr;
432
433 /**
434 * Membership on list of all loaded devices, used to evict
435 * inactive buffers under memory pressure.
436 *
437 * Modifications should only be done whilst holding the
438 * shrink_list_lock spinlock.
439 */
440 struct list_head shrink_list;
441
442 /**
443 * List of objects currently involved in rendering from the
444 * ringbuffer.
445 *
446 * Includes buffers having the contents of their GPU caches
447 * flushed, not necessarily primitives. last_rendering_seqno
448 * represents when the rendering involved will be completed.
449 *
450 * A reference is held on the buffer while on this list.
451 */
452 spinlock_t active_list_lock;
453 struct list_head active_list;
454
455 /**
456 * List of objects which are not in the ringbuffer but which
457 * still have a write_domain which needs to be flushed before
458 * unbinding.
459 *
460 * last_rendering_seqno is 0 while an object is in this list.
461 *
462 * A reference is held on the buffer while on this list.
463 */
464 struct list_head flushing_list;
465
466 /**
467 * LRU list of objects which are not in the ringbuffer and
468 * are ready to unbind, but are still in the GTT.
469 *
470 * last_rendering_seqno is 0 while an object is in this list.
471 *
472 * A reference is not held on the buffer while on this list,
473 * as merely being GTT-bound shouldn't prevent its being
474 * freed, and we'll pull it off the list in the free path.
475 */
476 struct list_head inactive_list;
477
478 /** LRU list of objects with fence regs on them. */
479 struct list_head fence_list;
480
481 /**
482 * List of breadcrumbs associated with GPU requests currently
483 * outstanding.
484 */
485 struct list_head request_list;
486
487 /**
488 * We leave the user IRQ off as much as possible,
489 * but this means that requests will finish and never
490 * be retired once the system goes idle. Set a timer to
491 * fire periodically while the ring is running. When it
492 * fires, go retire requests.
493 */
494 struct delayed_work retire_work;
495
496 uint32_t next_gem_seqno;
497
498 /**
499 * Waiting sequence number, if any
500 */
501 uint32_t waiting_gem_seqno;
502
503 /**
504 * Last seq seen at irq time
505 */
506 uint32_t irq_gem_seqno;
507
508 /**
509 * Flag if the X Server, and thus DRM, is not currently in
510 * control of the device.
511 *
512 * This is set between LeaveVT and EnterVT. It needs to be
513 * replaced with a semaphore. It also needs to be
514 * transitioned away from for kernel modesetting.
515 */
516 int suspended;
517
518 /**
519 * Flag if the hardware appears to be wedged.
520 *
521 * This is set when attempts to idle the device timeout.
522 * It prevents command submission from occuring and makes
523 * every pending request fail
524 */
525 atomic_t wedged;
526
527 /** Bit 6 swizzling required for X tiling */
528 uint32_t bit_6_swizzle_x;
529 /** Bit 6 swizzling required for Y tiling */
530 uint32_t bit_6_swizzle_y;
531
532 /* storage for physical objects */
533 struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
534 } mm;
535 struct sdvo_device_mapping sdvo_mappings[2];
536 /* indicate whether the LVDS_BORDER should be enabled or not */
537 unsigned int lvds_border_bits;
538
539 /* Reclocking support */
540 bool render_reclock_avail;
541 bool lvds_downclock_avail;
542 struct work_struct idle_work;
543 struct timer_list idle_timer;
544 bool busy;
545 u16 orig_clock;
546 } drm_i915_private_t;
547
548 /** driver private structure attached to each drm_gem_object */
549 struct drm_i915_gem_object {
550 struct drm_gem_object *obj;
551
552 /** Current space allocated to this object in the GTT, if any. */
553 struct drm_mm_node *gtt_space;
554
555 /** This object's place on the active/flushing/inactive lists */
556 struct list_head list;
557
558 /** This object's place on the fenced object LRU */
559 struct list_head fence_list;
560
561 /**
562 * This is set if the object is on the active or flushing lists
563 * (has pending rendering), and is not set if it's on inactive (ready
564 * to be unbound).
565 */
566 int active;
567
568 /**
569 * This is set if the object has been written to since last bound
570 * to the GTT
571 */
572 int dirty;
573
574 /** AGP memory structure for our GTT binding. */
575 DRM_AGP_MEM *agp_mem;
576
577 struct page **pages;
578 int pages_refcount;
579
580 /**
581 * Current offset of the object in GTT space.
582 *
583 * This is the same as gtt_space->start
584 */
585 uint32_t gtt_offset;
586
587 /**
588 * Fake offset for use by mmap(2)
589 */
590 uint64_t mmap_offset;
591
592 /**
593 * Fence register bits (if any) for this object. Will be set
594 * as needed when mapped into the GTT.
595 * Protected by dev->struct_mutex.
596 */
597 int fence_reg;
598
599 /** How many users have pinned this object in GTT space */
600 int pin_count;
601
602 /** Breadcrumb of last rendering to the buffer. */
603 uint32_t last_rendering_seqno;
604
605 /** Current tiling mode for the object. */
606 uint32_t tiling_mode;
607 uint32_t stride;
608
609 /** Record of address bit 17 of each page at last unbind. */
610 long *bit_17;
611
612 /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
613 uint32_t agp_type;
614
615 /**
616 * If present, while GEM_DOMAIN_CPU is in the read domain this array
617 * flags which individual pages are valid.
618 */
619 uint8_t *page_cpu_valid;
620
621 /** User space pin count and filp owning the pin */
622 uint32_t user_pin_count;
623 struct drm_file *pin_filp;
624
625 /** for phy allocated objects */
626 struct drm_i915_gem_phys_object *phys_obj;
627
628 /**
629 * Used for checking the object doesn't appear more than once
630 * in an execbuffer object list.
631 */
632 int in_execbuffer;
633
634 /**
635 * Advice: are the backing pages purgeable?
636 */
637 int madv;
638 };
639
640 /**
641 * Request queue structure.
642 *
643 * The request queue allows us to note sequence numbers that have been emitted
644 * and may be associated with active buffers to be retired.
645 *
646 * By keeping this list, we can avoid having to do questionable
647 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
648 * an emission time with seqnos for tracking how far ahead of the GPU we are.
649 */
650 struct drm_i915_gem_request {
651 /** GEM sequence number associated with this request. */
652 uint32_t seqno;
653
654 /** Time at which this request was emitted, in jiffies. */
655 unsigned long emitted_jiffies;
656
657 /** global list entry for this request */
658 struct list_head list;
659
660 /** file_priv list entry for this request */
661 struct list_head client_list;
662 };
663
664 struct drm_i915_file_private {
665 struct {
666 struct list_head request_list;
667 } mm;
668 };
669
670 enum intel_chip_family {
671 CHIP_I8XX = 0x01,
672 CHIP_I9XX = 0x02,
673 CHIP_I915 = 0x04,
674 CHIP_I965 = 0x08,
675 };
676
677 extern struct drm_ioctl_desc i915_ioctls[];
678 extern int i915_max_ioctl;
679 extern unsigned int i915_fbpercrtc;
680 extern unsigned int i915_powersave;
681
682 extern void i915_save_display(struct drm_device *dev);
683 extern void i915_restore_display(struct drm_device *dev);
684 extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
685 extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
686
687 /* i915_dma.c */
688 extern void i915_kernel_lost_context(struct drm_device * dev);
689 extern int i915_driver_load(struct drm_device *, unsigned long flags);
690 extern int i915_driver_unload(struct drm_device *);
691 extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
692 extern void i915_driver_lastclose(struct drm_device * dev);
693 extern void i915_driver_preclose(struct drm_device *dev,
694 struct drm_file *file_priv);
695 extern void i915_driver_postclose(struct drm_device *dev,
696 struct drm_file *file_priv);
697 extern int i915_driver_device_is_agp(struct drm_device * dev);
698 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
699 unsigned long arg);
700 extern int i915_emit_box(struct drm_device *dev,
701 struct drm_clip_rect *boxes,
702 int i, int DR1, int DR4);
703 extern int i965_reset(struct drm_device *dev, u8 flags);
704
705 /* i915_irq.c */
706 void i915_hangcheck_elapsed(unsigned long data);
707 extern int i915_irq_emit(struct drm_device *dev, void *data,
708 struct drm_file *file_priv);
709 extern int i915_irq_wait(struct drm_device *dev, void *data,
710 struct drm_file *file_priv);
711 void i915_user_irq_get(struct drm_device *dev);
712 void i915_trace_irq_get(struct drm_device *dev, u32 seqno);
713 void i915_user_irq_put(struct drm_device *dev);
714 extern void i915_enable_interrupt (struct drm_device *dev);
715
716 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
717 extern void i915_driver_irq_preinstall(struct drm_device * dev);
718 extern int i915_driver_irq_postinstall(struct drm_device *dev);
719 extern void i915_driver_irq_uninstall(struct drm_device * dev);
720 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
721 struct drm_file *file_priv);
722 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
723 struct drm_file *file_priv);
724 extern int i915_enable_vblank(struct drm_device *dev, int crtc);
725 extern void i915_disable_vblank(struct drm_device *dev, int crtc);
726 extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
727 extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
728 extern int i915_vblank_swap(struct drm_device *dev, void *data,
729 struct drm_file *file_priv);
730 extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
731
732 void
733 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
734
735 void
736 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
737
738 void intel_enable_asle (struct drm_device *dev);
739
740
741 /* i915_mem.c */
742 extern int i915_mem_alloc(struct drm_device *dev, void *data,
743 struct drm_file *file_priv);
744 extern int i915_mem_free(struct drm_device *dev, void *data,
745 struct drm_file *file_priv);
746 extern int i915_mem_init_heap(struct drm_device *dev, void *data,
747 struct drm_file *file_priv);
748 extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
749 struct drm_file *file_priv);
750 extern void i915_mem_takedown(struct mem_block **heap);
751 extern void i915_mem_release(struct drm_device * dev,
752 struct drm_file *file_priv, struct mem_block *heap);
753 /* i915_gem.c */
754 int i915_gem_init_ioctl(struct drm_device *dev, void *data,
755 struct drm_file *file_priv);
756 int i915_gem_create_ioctl(struct drm_device *dev, void *data,
757 struct drm_file *file_priv);
758 int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
759 struct drm_file *file_priv);
760 int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
761 struct drm_file *file_priv);
762 int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
763 struct drm_file *file_priv);
764 int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
765 struct drm_file *file_priv);
766 int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
767 struct drm_file *file_priv);
768 int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
769 struct drm_file *file_priv);
770 int i915_gem_execbuffer(struct drm_device *dev, void *data,
771 struct drm_file *file_priv);
772 int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
773 struct drm_file *file_priv);
774 int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
775 struct drm_file *file_priv);
776 int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
777 struct drm_file *file_priv);
778 int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
779 struct drm_file *file_priv);
780 int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
781 struct drm_file *file_priv);
782 int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
783 struct drm_file *file_priv);
784 int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
785 struct drm_file *file_priv);
786 int i915_gem_set_tiling(struct drm_device *dev, void *data,
787 struct drm_file *file_priv);
788 int i915_gem_get_tiling(struct drm_device *dev, void *data,
789 struct drm_file *file_priv);
790 int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
791 struct drm_file *file_priv);
792 void i915_gem_load(struct drm_device *dev);
793 int i915_gem_init_object(struct drm_gem_object *obj);
794 void i915_gem_free_object(struct drm_gem_object *obj);
795 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
796 void i915_gem_object_unpin(struct drm_gem_object *obj);
797 int i915_gem_object_unbind(struct drm_gem_object *obj);
798 void i915_gem_release_mmap(struct drm_gem_object *obj);
799 void i915_gem_lastclose(struct drm_device *dev);
800 uint32_t i915_get_gem_seqno(struct drm_device *dev);
801 bool i915_seqno_passed(uint32_t seq1, uint32_t seq2);
802 int i915_gem_object_get_fence_reg(struct drm_gem_object *obj);
803 int i915_gem_object_put_fence_reg(struct drm_gem_object *obj);
804 void i915_gem_retire_requests(struct drm_device *dev);
805 void i915_gem_retire_work_handler(struct work_struct *work);
806 void i915_gem_clflush_object(struct drm_gem_object *obj);
807 int i915_gem_object_set_domain(struct drm_gem_object *obj,
808 uint32_t read_domains,
809 uint32_t write_domain);
810 int i915_gem_init_ringbuffer(struct drm_device *dev);
811 void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
812 int i915_gem_do_init(struct drm_device *dev, unsigned long start,
813 unsigned long end);
814 int i915_gem_idle(struct drm_device *dev);
815 uint32_t i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
816 uint32_t flush_domains);
817 int i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible);
818 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
819 int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
820 int write);
821 int i915_gem_attach_phys_object(struct drm_device *dev,
822 struct drm_gem_object *obj, int id);
823 void i915_gem_detach_phys_object(struct drm_device *dev,
824 struct drm_gem_object *obj);
825 void i915_gem_free_all_phys_object(struct drm_device *dev);
826 int i915_gem_object_get_pages(struct drm_gem_object *obj);
827 void i915_gem_object_put_pages(struct drm_gem_object *obj);
828 void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
829
830 void i915_gem_shrinker_init(void);
831 void i915_gem_shrinker_exit(void);
832
833 /* i915_gem_tiling.c */
834 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
835 void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
836 void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
837
838 /* i915_gem_debug.c */
839 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
840 const char *where, uint32_t mark);
841 #if WATCH_INACTIVE
842 void i915_verify_inactive(struct drm_device *dev, char *file, int line);
843 #else
844 #define i915_verify_inactive(dev, file, line)
845 #endif
846 void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
847 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
848 const char *where, uint32_t mark);
849 void i915_dump_lru(struct drm_device *dev, const char *where);
850
851 /* i915_debugfs.c */
852 int i915_debugfs_init(struct drm_minor *minor);
853 void i915_debugfs_cleanup(struct drm_minor *minor);
854
855 /* i915_suspend.c */
856 extern int i915_save_state(struct drm_device *dev);
857 extern int i915_restore_state(struct drm_device *dev);
858
859 /* i915_suspend.c */
860 extern int i915_save_state(struct drm_device *dev);
861 extern int i915_restore_state(struct drm_device *dev);
862
863 #ifdef CONFIG_ACPI
864 /* i915_opregion.c */
865 extern int intel_opregion_init(struct drm_device *dev, int resume);
866 extern void intel_opregion_free(struct drm_device *dev, int suspend);
867 extern void opregion_asle_intr(struct drm_device *dev);
868 extern void ironlake_opregion_gse_intr(struct drm_device *dev);
869 extern void opregion_enable_asle(struct drm_device *dev);
870 #else
871 static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; }
872 static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; }
873 static inline void opregion_asle_intr(struct drm_device *dev) { return; }
874 static inline void ironlake_opregion_gse_intr(struct drm_device *dev) { return; }
875 static inline void opregion_enable_asle(struct drm_device *dev) { return; }
876 #endif
877
878 /* modesetting */
879 extern void intel_modeset_init(struct drm_device *dev);
880 extern void intel_modeset_cleanup(struct drm_device *dev);
881 extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
882 extern void i8xx_disable_fbc(struct drm_device *dev);
883 extern void g4x_disable_fbc(struct drm_device *dev);
884
885 /**
886 * Lock test for when it's just for synchronization of ring access.
887 *
888 * In that case, we don't need to do it when GEM is initialized as nobody else
889 * has access to the ring.
890 */
891 #define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \
892 if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
893 LOCK_TEST_WITH_RETURN(dev, file_priv); \
894 } while (0)
895
896 #define I915_READ(reg) readl(dev_priv->regs + (reg))
897 #define I915_WRITE(reg, val) writel(val, dev_priv->regs + (reg))
898 #define I915_READ16(reg) readw(dev_priv->regs + (reg))
899 #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
900 #define I915_READ8(reg) readb(dev_priv->regs + (reg))
901 #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
902 #define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
903 #define I915_READ64(reg) readq(dev_priv->regs + (reg))
904 #define POSTING_READ(reg) (void)I915_READ(reg)
905
906 #define I915_VERBOSE 0
907
908 #define RING_LOCALS volatile unsigned int *ring_virt__;
909
910 #define BEGIN_LP_RING(n) do { \
911 int bytes__ = 4*(n); \
912 if (I915_VERBOSE) DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
913 /* a wrap must occur between instructions so pad beforehand */ \
914 if (unlikely (dev_priv->ring.tail + bytes__ > dev_priv->ring.Size)) \
915 i915_wrap_ring(dev); \
916 if (unlikely (dev_priv->ring.space < bytes__)) \
917 i915_wait_ring(dev, bytes__, __func__); \
918 ring_virt__ = (unsigned int *) \
919 (dev_priv->ring.virtual_start + dev_priv->ring.tail); \
920 dev_priv->ring.tail += bytes__; \
921 dev_priv->ring.tail &= dev_priv->ring.Size - 1; \
922 dev_priv->ring.space -= bytes__; \
923 } while (0)
924
925 #define OUT_RING(n) do { \
926 if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
927 *ring_virt__++ = (n); \
928 } while (0)
929
930 #define ADVANCE_LP_RING() do { \
931 if (I915_VERBOSE) \
932 DRM_DEBUG("ADVANCE_LP_RING %x\n", dev_priv->ring.tail); \
933 I915_WRITE(PRB0_TAIL, dev_priv->ring.tail); \
934 } while(0)
935
936 /**
937 * Reads a dword out of the status page, which is written to from the command
938 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
939 * MI_STORE_DATA_IMM.
940 *
941 * The following dwords have a reserved meaning:
942 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
943 * 0x04: ring 0 head pointer
944 * 0x05: ring 1 head pointer (915-class)
945 * 0x06: ring 2 head pointer (915-class)
946 * 0x10-0x1b: Context status DWords (GM45)
947 * 0x1f: Last written status offset. (GM45)
948 *
949 * The area from dword 0x20 to 0x3ff is available for driver usage.
950 */
951 #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
952 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
953 #define I915_GEM_HWS_INDEX 0x20
954 #define I915_BREADCRUMB_INDEX 0x21
955
956 extern int i915_wrap_ring(struct drm_device * dev);
957 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
958
959 #define IS_I830(dev) ((dev)->pci_device == 0x3577)
960 #define IS_845G(dev) ((dev)->pci_device == 0x2562)
961 #define IS_I85X(dev) ((dev)->pci_device == 0x3582)
962 #define IS_I865G(dev) ((dev)->pci_device == 0x2572)
963
964 #define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
965 #define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
966 #define IS_I945G(dev) ((dev)->pci_device == 0x2772)
967 #define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
968 (dev)->pci_device == 0x27AE)
969 #define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
970 (dev)->pci_device == 0x2982 || \
971 (dev)->pci_device == 0x2992 || \
972 (dev)->pci_device == 0x29A2 || \
973 (dev)->pci_device == 0x2A02 || \
974 (dev)->pci_device == 0x2A12 || \
975 (dev)->pci_device == 0x2A42 || \
976 (dev)->pci_device == 0x2E02 || \
977 (dev)->pci_device == 0x2E12 || \
978 (dev)->pci_device == 0x2E22 || \
979 (dev)->pci_device == 0x2E32 || \
980 (dev)->pci_device == 0x2E42 || \
981 (dev)->pci_device == 0x0042 || \
982 (dev)->pci_device == 0x0046)
983
984 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02 || \
985 (dev)->pci_device == 0x2A12)
986
987 #define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
988
989 #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
990 (dev)->pci_device == 0x2E12 || \
991 (dev)->pci_device == 0x2E22 || \
992 (dev)->pci_device == 0x2E32 || \
993 (dev)->pci_device == 0x2E42 || \
994 IS_GM45(dev))
995
996 #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
997 #define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
998 #define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
999
1000 #define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
1001 (dev)->pci_device == 0x29B2 || \
1002 (dev)->pci_device == 0x29D2 || \
1003 (IS_IGD(dev)))
1004
1005 #define IS_IGDNG_D(dev) ((dev)->pci_device == 0x0042)
1006 #define IS_IGDNG_M(dev) ((dev)->pci_device == 0x0046)
1007 #define IS_IGDNG(dev) (IS_IGDNG_D(dev) || IS_IGDNG_M(dev))
1008
1009 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
1010 IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev) || \
1011 IS_IGDNG(dev))
1012
1013 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
1014 IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
1015 IS_IGD(dev) || IS_IGDNG_M(dev))
1016
1017 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev) || \
1018 IS_IGDNG(dev))
1019 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1020 * rows, which changed the alignment requirements and fence programming.
1021 */
1022 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
1023 IS_I915GM(dev)))
1024 #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1025 #define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1026 #define SUPPORTS_EDP(dev) (IS_IGDNG_M(dev))
1027 #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev) || IS_I965G(dev))
1028 /* dsparb controlled by hw only */
1029 #define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1030
1031 #define HAS_FW_BLC(dev) (IS_I9XX(dev) || IS_G4X(dev) || IS_IGDNG(dev))
1032 #define HAS_PIPE_CXSR(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1033 #define I915_HAS_FBC(dev) (IS_MOBILE(dev) && \
1034 (IS_I9XX(dev) || IS_GM45(dev)) && \
1035 !IS_IGD(dev) && \
1036 !IS_IGDNG(dev))
1037 #define I915_HAS_RC6(dev) (IS_I965GM(dev) || IS_GM45(dev) || IS_IGDNG_M(dev))
1038
1039 #define PRIMARY_RINGBUFFER_SIZE (128*1024)
1040
1041 #endif
Linux kernel - Deliverables
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