?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
x86/amd-iommu: Add per IOMMU reference counting
[linux/fpc-iii.git] / drivers / gpu / drm / i915 / i915_drv.h
blob57204e298975b4b9516f5be83734e442806bb76c
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 typedef struct drm_i915_private {
174 struct drm_device *dev;
175
176 int has_gem;
177
178 void __iomem *regs;
179
180 struct pci_dev *bridge_dev;
181 drm_i915_ring_buffer_t ring;
182
183 drm_dma_handle_t *status_page_dmah;
184 void *hw_status_page;
185 dma_addr_t dma_status_page;
186 uint32_t counter;
187 unsigned int status_gfx_addr;
188 drm_local_map_t hws_map;
189 struct drm_gem_object *hws_obj;
190
191 struct resource mch_res;
192
193 unsigned int cpp;
194 int back_offset;
195 int front_offset;
196 int current_page;
197 int page_flipping;
198
199 wait_queue_head_t irq_queue;
200 atomic_t irq_received;
201 /** Protects user_irq_refcount and irq_mask_reg */
202 spinlock_t user_irq_lock;
203 /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
204 int user_irq_refcount;
205 u32 trace_irq_seqno;
206 /** Cached value of IMR to avoid reads in updating the bitfield */
207 u32 irq_mask_reg;
208 u32 pipestat[2];
209 /** splitted irq regs for graphics and display engine on IGDNG,
210 irq_mask_reg is still used for display irq. */
211 u32 gt_irq_mask_reg;
212 u32 gt_irq_enable_reg;
213 u32 de_irq_enable_reg;
214
215 u32 hotplug_supported_mask;
216 struct work_struct hotplug_work;
217
218 int tex_lru_log_granularity;
219 int allow_batchbuffer;
220 struct mem_block *agp_heap;
221 unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
222 int vblank_pipe;
223
224 /* For hangcheck timer */
225 #define DRM_I915_HANGCHECK_PERIOD 75 /* in jiffies */
226 struct timer_list hangcheck_timer;
227 int hangcheck_count;
228 uint32_t last_acthd;
229
230 bool cursor_needs_physical;
231
232 struct drm_mm vram;
233
234 unsigned long cfb_size;
235 unsigned long cfb_pitch;
236 int cfb_fence;
237 int cfb_plane;
238
239 int irq_enabled;
240
241 struct intel_opregion opregion;
242
243 /* LVDS info */
244 int backlight_duty_cycle; /* restore backlight to this value */
245 bool panel_wants_dither;
246 struct drm_display_mode *panel_fixed_mode;
247 struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
248 struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
249
250 /* Feature bits from the VBIOS */
251 unsigned int int_tv_support:1;
252 unsigned int lvds_dither:1;
253 unsigned int lvds_vbt:1;
254 unsigned int int_crt_support:1;
255 unsigned int lvds_use_ssc:1;
256 unsigned int edp_support:1;
257 int lvds_ssc_freq;
258
259 struct notifier_block lid_notifier;
260
261 int crt_ddc_bus; /* -1 = unknown, else GPIO to use for CRT DDC */
262 struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
263 int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
264 int num_fence_regs; /* 8 on pre-965, 16 otherwise */
265
266 unsigned int fsb_freq, mem_freq;
267
268 spinlock_t error_lock;
269 struct drm_i915_error_state *first_error;
270 struct work_struct error_work;
271 struct workqueue_struct *wq;
272
273 /* Display functions */
274 struct drm_i915_display_funcs display;
275
276 /* Register state */
277 bool modeset_on_lid;
278 u8 saveLBB;
279 u32 saveDSPACNTR;
280 u32 saveDSPBCNTR;
281 u32 saveDSPARB;
282 u32 saveRENDERSTANDBY;
283 u32 saveHWS;
284 u32 savePIPEACONF;
285 u32 savePIPEBCONF;
286 u32 savePIPEASRC;
287 u32 savePIPEBSRC;
288 u32 saveFPA0;
289 u32 saveFPA1;
290 u32 saveDPLL_A;
291 u32 saveDPLL_A_MD;
292 u32 saveHTOTAL_A;
293 u32 saveHBLANK_A;
294 u32 saveHSYNC_A;
295 u32 saveVTOTAL_A;
296 u32 saveVBLANK_A;
297 u32 saveVSYNC_A;
298 u32 saveBCLRPAT_A;
299 u32 saveTRANS_HTOTAL_A;
300 u32 saveTRANS_HBLANK_A;
301 u32 saveTRANS_HSYNC_A;
302 u32 saveTRANS_VTOTAL_A;
303 u32 saveTRANS_VBLANK_A;
304 u32 saveTRANS_VSYNC_A;
305 u32 savePIPEASTAT;
306 u32 saveDSPASTRIDE;
307 u32 saveDSPASIZE;
308 u32 saveDSPAPOS;
309 u32 saveDSPAADDR;
310 u32 saveDSPASURF;
311 u32 saveDSPATILEOFF;
312 u32 savePFIT_PGM_RATIOS;
313 u32 saveBLC_HIST_CTL;
314 u32 saveBLC_PWM_CTL;
315 u32 saveBLC_PWM_CTL2;
316 u32 saveBLC_CPU_PWM_CTL;
317 u32 saveBLC_CPU_PWM_CTL2;
318 u32 saveFPB0;
319 u32 saveFPB1;
320 u32 saveDPLL_B;
321 u32 saveDPLL_B_MD;
322 u32 saveHTOTAL_B;
323 u32 saveHBLANK_B;
324 u32 saveHSYNC_B;
325 u32 saveVTOTAL_B;
326 u32 saveVBLANK_B;
327 u32 saveVSYNC_B;
328 u32 saveBCLRPAT_B;
329 u32 saveTRANS_HTOTAL_B;
330 u32 saveTRANS_HBLANK_B;
331 u32 saveTRANS_HSYNC_B;
332 u32 saveTRANS_VTOTAL_B;
333 u32 saveTRANS_VBLANK_B;
334 u32 saveTRANS_VSYNC_B;
335 u32 savePIPEBSTAT;
336 u32 saveDSPBSTRIDE;
337 u32 saveDSPBSIZE;
338 u32 saveDSPBPOS;
339 u32 saveDSPBADDR;
340 u32 saveDSPBSURF;
341 u32 saveDSPBTILEOFF;
342 u32 saveVGA0;
343 u32 saveVGA1;
344 u32 saveVGA_PD;
345 u32 saveVGACNTRL;
346 u32 saveADPA;
347 u32 saveLVDS;
348 u32 savePP_ON_DELAYS;
349 u32 savePP_OFF_DELAYS;
350 u32 saveDVOA;
351 u32 saveDVOB;
352 u32 saveDVOC;
353 u32 savePP_ON;
354 u32 savePP_OFF;
355 u32 savePP_CONTROL;
356 u32 savePP_DIVISOR;
357 u32 savePFIT_CONTROL;
358 u32 save_palette_a[256];
359 u32 save_palette_b[256];
360 u32 saveDPFC_CB_BASE;
361 u32 saveFBC_CFB_BASE;
362 u32 saveFBC_LL_BASE;
363 u32 saveFBC_CONTROL;
364 u32 saveFBC_CONTROL2;
365 u32 saveIER;
366 u32 saveIIR;
367 u32 saveIMR;
368 u32 saveDEIER;
369 u32 saveDEIMR;
370 u32 saveGTIER;
371 u32 saveGTIMR;
372 u32 saveFDI_RXA_IMR;
373 u32 saveFDI_RXB_IMR;
374 u32 saveCACHE_MODE_0;
375 u32 saveD_STATE;
376 u32 saveDSPCLK_GATE_D;
377 u32 saveMI_ARB_STATE;
378 u32 saveSWF0[16];
379 u32 saveSWF1[16];
380 u32 saveSWF2[3];
381 u8 saveMSR;
382 u8 saveSR[8];
383 u8 saveGR[25];
384 u8 saveAR_INDEX;
385 u8 saveAR[21];
386 u8 saveDACMASK;
387 u8 saveCR[37];
388 uint64_t saveFENCE[16];
389 u32 saveCURACNTR;
390 u32 saveCURAPOS;
391 u32 saveCURABASE;
392 u32 saveCURBCNTR;
393 u32 saveCURBPOS;
394 u32 saveCURBBASE;
395 u32 saveCURSIZE;
396 u32 saveDP_B;
397 u32 saveDP_C;
398 u32 saveDP_D;
399 u32 savePIPEA_GMCH_DATA_M;
400 u32 savePIPEB_GMCH_DATA_M;
401 u32 savePIPEA_GMCH_DATA_N;
402 u32 savePIPEB_GMCH_DATA_N;
403 u32 savePIPEA_DP_LINK_M;
404 u32 savePIPEB_DP_LINK_M;
405 u32 savePIPEA_DP_LINK_N;
406 u32 savePIPEB_DP_LINK_N;
407 u32 saveFDI_RXA_CTL;
408 u32 saveFDI_TXA_CTL;
409 u32 saveFDI_RXB_CTL;
410 u32 saveFDI_TXB_CTL;
411 u32 savePFA_CTL_1;
412 u32 savePFB_CTL_1;
413 u32 savePFA_WIN_SZ;
414 u32 savePFB_WIN_SZ;
415 u32 savePFA_WIN_POS;
416 u32 savePFB_WIN_POS;
417
418 struct {
419 struct drm_mm gtt_space;
420
421 struct io_mapping *gtt_mapping;
422 int gtt_mtrr;
423
424 /**
425 * Membership on list of all loaded devices, used to evict
426 * inactive buffers under memory pressure.
427 *
428 * Modifications should only be done whilst holding the
429 * shrink_list_lock spinlock.
430 */
431 struct list_head shrink_list;
432
433 /**
434 * List of objects currently involved in rendering from the
435 * ringbuffer.
436 *
437 * Includes buffers having the contents of their GPU caches
438 * flushed, not necessarily primitives. last_rendering_seqno
439 * represents when the rendering involved will be completed.
440 *
441 * A reference is held on the buffer while on this list.
442 */
443 spinlock_t active_list_lock;
444 struct list_head active_list;
445
446 /**
447 * List of objects which are not in the ringbuffer but which
448 * still have a write_domain which needs to be flushed before
449 * unbinding.
450 *
451 * last_rendering_seqno is 0 while an object is in this list.
452 *
453 * A reference is held on the buffer while on this list.
454 */
455 struct list_head flushing_list;
456
457 /**
458 * LRU list of objects which are not in the ringbuffer and
459 * are ready to unbind, but are still in the GTT.
460 *
461 * last_rendering_seqno is 0 while an object is in this list.
462 *
463 * A reference is not held on the buffer while on this list,
464 * as merely being GTT-bound shouldn't prevent its being
465 * freed, and we'll pull it off the list in the free path.
466 */
467 struct list_head inactive_list;
468
469 /** LRU list of objects with fence regs on them. */
470 struct list_head fence_list;
471
472 /**
473 * List of breadcrumbs associated with GPU requests currently
474 * outstanding.
475 */
476 struct list_head request_list;
477
478 /**
479 * We leave the user IRQ off as much as possible,
480 * but this means that requests will finish and never
481 * be retired once the system goes idle. Set a timer to
482 * fire periodically while the ring is running. When it
483 * fires, go retire requests.
484 */
485 struct delayed_work retire_work;
486
487 uint32_t next_gem_seqno;
488
489 /**
490 * Waiting sequence number, if any
491 */
492 uint32_t waiting_gem_seqno;
493
494 /**
495 * Last seq seen at irq time
496 */
497 uint32_t irq_gem_seqno;
498
499 /**
500 * Flag if the X Server, and thus DRM, is not currently in
501 * control of the device.
502 *
503 * This is set between LeaveVT and EnterVT. It needs to be
504 * replaced with a semaphore. It also needs to be
505 * transitioned away from for kernel modesetting.
506 */
507 int suspended;
508
509 /**
510 * Flag if the hardware appears to be wedged.
511 *
512 * This is set when attempts to idle the device timeout.
513 * It prevents command submission from occuring and makes
514 * every pending request fail
515 */
516 atomic_t wedged;
517
518 /** Bit 6 swizzling required for X tiling */
519 uint32_t bit_6_swizzle_x;
520 /** Bit 6 swizzling required for Y tiling */
521 uint32_t bit_6_swizzle_y;
522
523 /* storage for physical objects */
524 struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
525 } mm;
526 struct sdvo_device_mapping sdvo_mappings[2];
527 /* indicate whether the LVDS_BORDER should be enabled or not */
528 unsigned int lvds_border_bits;
529
530 /* Reclocking support */
531 bool render_reclock_avail;
532 bool lvds_downclock_avail;
533 struct work_struct idle_work;
534 struct timer_list idle_timer;
535 bool busy;
536 u16 orig_clock;
537 } drm_i915_private_t;
538
539 /** driver private structure attached to each drm_gem_object */
540 struct drm_i915_gem_object {
541 struct drm_gem_object *obj;
542
543 /** Current space allocated to this object in the GTT, if any. */
544 struct drm_mm_node *gtt_space;
545
546 /** This object's place on the active/flushing/inactive lists */
547 struct list_head list;
548
549 /** This object's place on the fenced object LRU */
550 struct list_head fence_list;
551
552 /**
553 * This is set if the object is on the active or flushing lists
554 * (has pending rendering), and is not set if it's on inactive (ready
555 * to be unbound).
556 */
557 int active;
558
559 /**
560 * This is set if the object has been written to since last bound
561 * to the GTT
562 */
563 int dirty;
564
565 /** AGP memory structure for our GTT binding. */
566 DRM_AGP_MEM *agp_mem;
567
568 struct page **pages;
569 int pages_refcount;
570
571 /**
572 * Current offset of the object in GTT space.
573 *
574 * This is the same as gtt_space->start
575 */
576 uint32_t gtt_offset;
577
578 /**
579 * Fake offset for use by mmap(2)
580 */
581 uint64_t mmap_offset;
582
583 /**
584 * Fence register bits (if any) for this object. Will be set
585 * as needed when mapped into the GTT.
586 * Protected by dev->struct_mutex.
587 */
588 int fence_reg;
589
590 /** How many users have pinned this object in GTT space */
591 int pin_count;
592
593 /** Breadcrumb of last rendering to the buffer. */
594 uint32_t last_rendering_seqno;
595
596 /** Current tiling mode for the object. */
597 uint32_t tiling_mode;
598 uint32_t stride;
599
600 /** Record of address bit 17 of each page at last unbind. */
601 long *bit_17;
602
603 /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
604 uint32_t agp_type;
605
606 /**
607 * If present, while GEM_DOMAIN_CPU is in the read domain this array
608 * flags which individual pages are valid.
609 */
610 uint8_t *page_cpu_valid;
611
612 /** User space pin count and filp owning the pin */
613 uint32_t user_pin_count;
614 struct drm_file *pin_filp;
615
616 /** for phy allocated objects */
617 struct drm_i915_gem_phys_object *phys_obj;
618
619 /**
620 * Used for checking the object doesn't appear more than once
621 * in an execbuffer object list.
622 */
623 int in_execbuffer;
624
625 /**
626 * Advice: are the backing pages purgeable?
627 */
628 int madv;
629 };
630
631 /**
632 * Request queue structure.
633 *
634 * The request queue allows us to note sequence numbers that have been emitted
635 * and may be associated with active buffers to be retired.
636 *
637 * By keeping this list, we can avoid having to do questionable
638 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
639 * an emission time with seqnos for tracking how far ahead of the GPU we are.
640 */
641 struct drm_i915_gem_request {
642 /** GEM sequence number associated with this request. */
643 uint32_t seqno;
644
645 /** Time at which this request was emitted, in jiffies. */
646 unsigned long emitted_jiffies;
647
648 /** global list entry for this request */
649 struct list_head list;
650
651 /** file_priv list entry for this request */
652 struct list_head client_list;
653 };
654
655 struct drm_i915_file_private {
656 struct {
657 struct list_head request_list;
658 } mm;
659 };
660
661 enum intel_chip_family {
662 CHIP_I8XX = 0x01,
663 CHIP_I9XX = 0x02,
664 CHIP_I915 = 0x04,
665 CHIP_I965 = 0x08,
666 };
667
668 extern struct drm_ioctl_desc i915_ioctls[];
669 extern int i915_max_ioctl;
670 extern unsigned int i915_fbpercrtc;
671 extern unsigned int i915_powersave;
672
673 extern void i915_save_display(struct drm_device *dev);
674 extern void i915_restore_display(struct drm_device *dev);
675 extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
676 extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
677
678 /* i915_dma.c */
679 extern void i915_kernel_lost_context(struct drm_device * dev);
680 extern int i915_driver_load(struct drm_device *, unsigned long flags);
681 extern int i915_driver_unload(struct drm_device *);
682 extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
683 extern void i915_driver_lastclose(struct drm_device * dev);
684 extern void i915_driver_preclose(struct drm_device *dev,
685 struct drm_file *file_priv);
686 extern void i915_driver_postclose(struct drm_device *dev,
687 struct drm_file *file_priv);
688 extern int i915_driver_device_is_agp(struct drm_device * dev);
689 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
690 unsigned long arg);
691 extern int i915_emit_box(struct drm_device *dev,
692 struct drm_clip_rect *boxes,
693 int i, int DR1, int DR4);
694 extern int i965_reset(struct drm_device *dev, u8 flags);
695
696 /* i915_irq.c */
697 void i915_hangcheck_elapsed(unsigned long data);
698 extern int i915_irq_emit(struct drm_device *dev, void *data,
699 struct drm_file *file_priv);
700 extern int i915_irq_wait(struct drm_device *dev, void *data,
701 struct drm_file *file_priv);
702 void i915_user_irq_get(struct drm_device *dev);
703 void i915_trace_irq_get(struct drm_device *dev, u32 seqno);
704 void i915_user_irq_put(struct drm_device *dev);
705 extern void i915_enable_interrupt (struct drm_device *dev);
706
707 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
708 extern void i915_driver_irq_preinstall(struct drm_device * dev);
709 extern int i915_driver_irq_postinstall(struct drm_device *dev);
710 extern void i915_driver_irq_uninstall(struct drm_device * dev);
711 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
712 struct drm_file *file_priv);
713 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
714 struct drm_file *file_priv);
715 extern int i915_enable_vblank(struct drm_device *dev, int crtc);
716 extern void i915_disable_vblank(struct drm_device *dev, int crtc);
717 extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
718 extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
719 extern int i915_vblank_swap(struct drm_device *dev, void *data,
720 struct drm_file *file_priv);
721 extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
722
723 void
724 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
725
726 void
727 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
728
729
730 /* i915_mem.c */
731 extern int i915_mem_alloc(struct drm_device *dev, void *data,
732 struct drm_file *file_priv);
733 extern int i915_mem_free(struct drm_device *dev, void *data,
734 struct drm_file *file_priv);
735 extern int i915_mem_init_heap(struct drm_device *dev, void *data,
736 struct drm_file *file_priv);
737 extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
738 struct drm_file *file_priv);
739 extern void i915_mem_takedown(struct mem_block **heap);
740 extern void i915_mem_release(struct drm_device * dev,
741 struct drm_file *file_priv, struct mem_block *heap);
742 /* i915_gem.c */
743 int i915_gem_init_ioctl(struct drm_device *dev, void *data,
744 struct drm_file *file_priv);
745 int i915_gem_create_ioctl(struct drm_device *dev, void *data,
746 struct drm_file *file_priv);
747 int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
748 struct drm_file *file_priv);
749 int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
750 struct drm_file *file_priv);
751 int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
752 struct drm_file *file_priv);
753 int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
754 struct drm_file *file_priv);
755 int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
756 struct drm_file *file_priv);
757 int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
758 struct drm_file *file_priv);
759 int i915_gem_execbuffer(struct drm_device *dev, void *data,
760 struct drm_file *file_priv);
761 int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
762 struct drm_file *file_priv);
763 int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
764 struct drm_file *file_priv);
765 int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
766 struct drm_file *file_priv);
767 int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
768 struct drm_file *file_priv);
769 int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
770 struct drm_file *file_priv);
771 int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
772 struct drm_file *file_priv);
773 int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
774 struct drm_file *file_priv);
775 int i915_gem_set_tiling(struct drm_device *dev, void *data,
776 struct drm_file *file_priv);
777 int i915_gem_get_tiling(struct drm_device *dev, void *data,
778 struct drm_file *file_priv);
779 int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
780 struct drm_file *file_priv);
781 void i915_gem_load(struct drm_device *dev);
782 int i915_gem_init_object(struct drm_gem_object *obj);
783 void i915_gem_free_object(struct drm_gem_object *obj);
784 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
785 void i915_gem_object_unpin(struct drm_gem_object *obj);
786 int i915_gem_object_unbind(struct drm_gem_object *obj);
787 void i915_gem_release_mmap(struct drm_gem_object *obj);
788 void i915_gem_lastclose(struct drm_device *dev);
789 uint32_t i915_get_gem_seqno(struct drm_device *dev);
790 bool i915_seqno_passed(uint32_t seq1, uint32_t seq2);
791 int i915_gem_object_get_fence_reg(struct drm_gem_object *obj);
792 int i915_gem_object_put_fence_reg(struct drm_gem_object *obj);
793 void i915_gem_retire_requests(struct drm_device *dev);
794 void i915_gem_retire_work_handler(struct work_struct *work);
795 void i915_gem_clflush_object(struct drm_gem_object *obj);
796 int i915_gem_object_set_domain(struct drm_gem_object *obj,
797 uint32_t read_domains,
798 uint32_t write_domain);
799 int i915_gem_init_ringbuffer(struct drm_device *dev);
800 void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
801 int i915_gem_do_init(struct drm_device *dev, unsigned long start,
802 unsigned long end);
803 int i915_gem_idle(struct drm_device *dev);
804 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
805 int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
806 int write);
807 int i915_gem_attach_phys_object(struct drm_device *dev,
808 struct drm_gem_object *obj, int id);
809 void i915_gem_detach_phys_object(struct drm_device *dev,
810 struct drm_gem_object *obj);
811 void i915_gem_free_all_phys_object(struct drm_device *dev);
812 int i915_gem_object_get_pages(struct drm_gem_object *obj);
813 void i915_gem_object_put_pages(struct drm_gem_object *obj);
814 void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
815
816 void i915_gem_shrinker_init(void);
817 void i915_gem_shrinker_exit(void);
818
819 /* i915_gem_tiling.c */
820 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
821 void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
822 void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
823
824 /* i915_gem_debug.c */
825 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
826 const char *where, uint32_t mark);
827 #if WATCH_INACTIVE
828 void i915_verify_inactive(struct drm_device *dev, char *file, int line);
829 #else
830 #define i915_verify_inactive(dev, file, line)
831 #endif
832 void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
833 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
834 const char *where, uint32_t mark);
835 void i915_dump_lru(struct drm_device *dev, const char *where);
836
837 /* i915_debugfs.c */
838 int i915_debugfs_init(struct drm_minor *minor);
839 void i915_debugfs_cleanup(struct drm_minor *minor);
840
841 /* i915_suspend.c */
842 extern int i915_save_state(struct drm_device *dev);
843 extern int i915_restore_state(struct drm_device *dev);
844
845 /* i915_suspend.c */
846 extern int i915_save_state(struct drm_device *dev);
847 extern int i915_restore_state(struct drm_device *dev);
848
849 #ifdef CONFIG_ACPI
850 /* i915_opregion.c */
851 extern int intel_opregion_init(struct drm_device *dev, int resume);
852 extern void intel_opregion_free(struct drm_device *dev, int suspend);
853 extern void opregion_asle_intr(struct drm_device *dev);
854 extern void opregion_enable_asle(struct drm_device *dev);
855 #else
856 static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; }
857 static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; }
858 static inline void opregion_asle_intr(struct drm_device *dev) { return; }
859 static inline void opregion_enable_asle(struct drm_device *dev) { return; }
860 #endif
861
862 /* modesetting */
863 extern void intel_modeset_init(struct drm_device *dev);
864 extern void intel_modeset_cleanup(struct drm_device *dev);
865 extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
866 extern void i8xx_disable_fbc(struct drm_device *dev);
867 extern void g4x_disable_fbc(struct drm_device *dev);
868
869 /**
870 * Lock test for when it's just for synchronization of ring access.
871 *
872 * In that case, we don't need to do it when GEM is initialized as nobody else
873 * has access to the ring.
874 */
875 #define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \
876 if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
877 LOCK_TEST_WITH_RETURN(dev, file_priv); \
878 } while (0)
879
880 #define I915_READ(reg) readl(dev_priv->regs + (reg))
881 #define I915_WRITE(reg, val) writel(val, dev_priv->regs + (reg))
882 #define I915_READ16(reg) readw(dev_priv->regs + (reg))
883 #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
884 #define I915_READ8(reg) readb(dev_priv->regs + (reg))
885 #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
886 #define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
887 #define I915_READ64(reg) readq(dev_priv->regs + (reg))
888 #define POSTING_READ(reg) (void)I915_READ(reg)
889
890 #define I915_VERBOSE 0
891
892 #define RING_LOCALS volatile unsigned int *ring_virt__;
893
894 #define BEGIN_LP_RING(n) do { \
895 int bytes__ = 4*(n); \
896 if (I915_VERBOSE) DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
897 /* a wrap must occur between instructions so pad beforehand */ \
898 if (unlikely (dev_priv->ring.tail + bytes__ > dev_priv->ring.Size)) \
899 i915_wrap_ring(dev); \
900 if (unlikely (dev_priv->ring.space < bytes__)) \
901 i915_wait_ring(dev, bytes__, __func__); \
902 ring_virt__ = (unsigned int *) \
903 (dev_priv->ring.virtual_start + dev_priv->ring.tail); \
904 dev_priv->ring.tail += bytes__; \
905 dev_priv->ring.tail &= dev_priv->ring.Size - 1; \
906 dev_priv->ring.space -= bytes__; \
907 } while (0)
908
909 #define OUT_RING(n) do { \
910 if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
911 *ring_virt__++ = (n); \
912 } while (0)
913
914 #define ADVANCE_LP_RING() do { \
915 if (I915_VERBOSE) \
916 DRM_DEBUG("ADVANCE_LP_RING %x\n", dev_priv->ring.tail); \
917 I915_WRITE(PRB0_TAIL, dev_priv->ring.tail); \
918 } while(0)
919
920 /**
921 * Reads a dword out of the status page, which is written to from the command
922 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
923 * MI_STORE_DATA_IMM.
924 *
925 * The following dwords have a reserved meaning:
926 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
927 * 0x04: ring 0 head pointer
928 * 0x05: ring 1 head pointer (915-class)
929 * 0x06: ring 2 head pointer (915-class)
930 * 0x10-0x1b: Context status DWords (GM45)
931 * 0x1f: Last written status offset. (GM45)
932 *
933 * The area from dword 0x20 to 0x3ff is available for driver usage.
934 */
935 #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
936 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
937 #define I915_GEM_HWS_INDEX 0x20
938 #define I915_BREADCRUMB_INDEX 0x21
939
940 extern int i915_wrap_ring(struct drm_device * dev);
941 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
942
943 #define IS_I830(dev) ((dev)->pci_device == 0x3577)
944 #define IS_845G(dev) ((dev)->pci_device == 0x2562)
945 #define IS_I85X(dev) ((dev)->pci_device == 0x3582)
946 #define IS_I855(dev) ((dev)->pci_device == 0x3582)
947 #define IS_I865G(dev) ((dev)->pci_device == 0x2572)
948
949 #define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
950 #define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
951 #define IS_I945G(dev) ((dev)->pci_device == 0x2772)
952 #define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
953 (dev)->pci_device == 0x27AE)
954 #define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
955 (dev)->pci_device == 0x2982 || \
956 (dev)->pci_device == 0x2992 || \
957 (dev)->pci_device == 0x29A2 || \
958 (dev)->pci_device == 0x2A02 || \
959 (dev)->pci_device == 0x2A12 || \
960 (dev)->pci_device == 0x2A42 || \
961 (dev)->pci_device == 0x2E02 || \
962 (dev)->pci_device == 0x2E12 || \
963 (dev)->pci_device == 0x2E22 || \
964 (dev)->pci_device == 0x2E32 || \
965 (dev)->pci_device == 0x2E42 || \
966 (dev)->pci_device == 0x0042 || \
967 (dev)->pci_device == 0x0046)
968
969 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02 || \
970 (dev)->pci_device == 0x2A12)
971
972 #define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
973
974 #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
975 (dev)->pci_device == 0x2E12 || \
976 (dev)->pci_device == 0x2E22 || \
977 (dev)->pci_device == 0x2E32 || \
978 (dev)->pci_device == 0x2E42 || \
979 IS_GM45(dev))
980
981 #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
982 #define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
983 #define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
984
985 #define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
986 (dev)->pci_device == 0x29B2 || \
987 (dev)->pci_device == 0x29D2 || \
988 (IS_IGD(dev)))
989
990 #define IS_IGDNG_D(dev) ((dev)->pci_device == 0x0042)
991 #define IS_IGDNG_M(dev) ((dev)->pci_device == 0x0046)
992 #define IS_IGDNG(dev) (IS_IGDNG_D(dev) || IS_IGDNG_M(dev))
993
994 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
995 IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev) || \
996 IS_IGDNG(dev))
997
998 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
999 IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
1000 IS_IGD(dev) || IS_IGDNG_M(dev))
1001
1002 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev) || \
1003 IS_IGDNG(dev))
1004 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1005 * rows, which changed the alignment requirements and fence programming.
1006 */
1007 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
1008 IS_I915GM(dev)))
1009 #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1010 #define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1011 #define SUPPORTS_EDP(dev) (IS_IGDNG_M(dev))
1012 #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev) || IS_I965G(dev))
1013 /* dsparb controlled by hw only */
1014 #define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1015
1016 #define HAS_FW_BLC(dev) (IS_I9XX(dev) || IS_G4X(dev) || IS_IGDNG(dev))
1017 #define HAS_PIPE_CXSR(dev) (IS_G4X(dev) || IS_IGDNG(dev))
1018 #define I915_HAS_FBC(dev) (IS_MOBILE(dev) && \
1019 (IS_I9XX(dev) || IS_GM45(dev)) && \
1020 !IS_IGD(dev) && \
1021 !IS_IGDNG(dev))
1022
1023 #define PRIMARY_RINGBUFFER_SIZE (128*1024)
1024
1025 #endif
Linux with added FPC-III support