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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 "intel_ringbuffer.h"
36#include <linux/io-mapping.h>
37
38/* General customization:
39 */
40
41#define DRIVER_AUTHOR		"Tungsten Graphics, Inc."
42
43#define DRIVER_NAME		"i915"
44#define DRIVER_DESC		"Intel Graphics"
45#define DRIVER_DATE		"20080730"
46
47enum pipe {
48	PIPE_A = 0,
49	PIPE_B,
50};
51
52enum plane {
53	PLANE_A = 0,
54	PLANE_B,
55};
56
57#define I915_NUM_PIPE	2
58
59#define I915_GEM_GPU_DOMAINS	(~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
60
61/* Interface history:
62 *
63 * 1.1: Original.
64 * 1.2: Add Power Management
65 * 1.3: Add vblank support
66 * 1.4: Fix cmdbuffer path, add heap destroy
67 * 1.5: Add vblank pipe configuration
68 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
69 *      - Support vertical blank on secondary display pipe
70 */
71#define DRIVER_MAJOR		1
72#define DRIVER_MINOR		6
73#define DRIVER_PATCHLEVEL	0
74
75#define WATCH_COHERENCY	0
76#define WATCH_BUF	0
77#define WATCH_EXEC	0
78#define WATCH_LRU	0
79#define WATCH_RELOC	0
80#define WATCH_INACTIVE	0
81#define WATCH_PWRITE	0
82
83#define I915_GEM_PHYS_CURSOR_0 1
84#define I915_GEM_PHYS_CURSOR_1 2
85#define I915_GEM_PHYS_OVERLAY_REGS 3
86#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
87
88struct drm_i915_gem_phys_object {
89	int id;
90	struct page **page_list;
91	drm_dma_handle_t *handle;
92	struct drm_gem_object *cur_obj;
93};
94
95struct mem_block {
96	struct mem_block *next;
97	struct mem_block *prev;
98	int start;
99	int size;
100	struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
101};
102
103struct opregion_header;
104struct opregion_acpi;
105struct opregion_swsci;
106struct opregion_asle;
107
108struct intel_opregion {
109	struct opregion_header *header;
110	struct opregion_acpi *acpi;
111	struct opregion_swsci *swsci;
112	struct opregion_asle *asle;
113	int enabled;
114};
115
116struct intel_overlay;
117struct intel_overlay_error_state;
118
119struct drm_i915_master_private {
120	drm_local_map_t *sarea;
121	struct _drm_i915_sarea *sarea_priv;
122};
123#define I915_FENCE_REG_NONE -1
124
125struct drm_i915_fence_reg {
126	struct drm_gem_object *obj;
127	struct list_head lru_list;
128};
129
130struct sdvo_device_mapping {
131	u8 dvo_port;
132	u8 slave_addr;
133	u8 dvo_wiring;
134	u8 initialized;
135	u8 ddc_pin;
136};
137
138struct drm_i915_error_state {
139	u32 eir;
140	u32 pgtbl_er;
141	u32 pipeastat;
142	u32 pipebstat;
143	u32 ipeir;
144	u32 ipehr;
145	u32 instdone;
146	u32 acthd;
147	u32 instpm;
148	u32 instps;
149	u32 instdone1;
150	u32 seqno;
151	u64 bbaddr;
152	struct timeval time;
153	struct drm_i915_error_object {
154		int page_count;
155		u32 gtt_offset;
156		u32 *pages[0];
157	} *ringbuffer, *batchbuffer[2];
158	struct drm_i915_error_buffer {
159		size_t size;
160		u32 name;
161		u32 seqno;
162		u32 gtt_offset;
163		u32 read_domains;
164		u32 write_domain;
165		u32 fence_reg;
166		s32 pinned:2;
167		u32 tiling:2;
168		u32 dirty:1;
169		u32 purgeable:1;
170	} *active_bo;
171	u32 active_bo_count;
172	struct intel_overlay_error_state *overlay;
173};
174
175struct drm_i915_display_funcs {
176	void (*dpms)(struct drm_crtc *crtc, int mode);
177	bool (*fbc_enabled)(struct drm_device *dev);
178	void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval);
179	void (*disable_fbc)(struct drm_device *dev);
180	int (*get_display_clock_speed)(struct drm_device *dev);
181	int (*get_fifo_size)(struct drm_device *dev, int plane);
182	void (*update_wm)(struct drm_device *dev, int planea_clock,
183			  int planeb_clock, int sr_hdisplay, int sr_htotal,
184			  int pixel_size);
185	/* clock updates for mode set */
186	/* cursor updates */
187	/* render clock increase/decrease */
188	/* display clock increase/decrease */
189	/* pll clock increase/decrease */
190	/* clock gating init */
191};
192
193struct intel_device_info {
194	u8 gen;
195	u8 is_mobile : 1;
196	u8 is_i8xx : 1;
197	u8 is_i85x : 1;
198	u8 is_i915g : 1;
199	u8 is_i9xx : 1;
200	u8 is_i945gm : 1;
201	u8 is_i965g : 1;
202	u8 is_i965gm : 1;
203	u8 is_g33 : 1;
204	u8 need_gfx_hws : 1;
205	u8 is_g4x : 1;
206	u8 is_pineview : 1;
207	u8 is_broadwater : 1;
208	u8 is_crestline : 1;
209	u8 is_ironlake : 1;
210	u8 has_fbc : 1;
211	u8 has_rc6 : 1;
212	u8 has_pipe_cxsr : 1;
213	u8 has_hotplug : 1;
214	u8 cursor_needs_physical : 1;
215};
216
217enum no_fbc_reason {
218	FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */
219	FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */
220	FBC_MODE_TOO_LARGE, /* mode too large for compression */
221	FBC_BAD_PLANE, /* fbc not supported on plane */
222	FBC_NOT_TILED, /* buffer not tiled */
223	FBC_MULTIPLE_PIPES, /* more than one pipe active */
224};
225
226enum intel_pch {
227	PCH_IBX,	/* Ibexpeak PCH */
228	PCH_CPT,	/* Cougarpoint PCH */
229};
230
231#define QUIRK_PIPEA_FORCE (1<<0)
232
233struct intel_fbdev;
234
235typedef struct drm_i915_private {
236	struct drm_device *dev;
237
238	const struct intel_device_info *info;
239
240	int has_gem;
241
242	void __iomem *regs;
243
244	struct pci_dev *bridge_dev;
245	struct intel_ring_buffer render_ring;
246	struct intel_ring_buffer bsd_ring;
247	uint32_t next_seqno;
248
249	drm_dma_handle_t *status_page_dmah;
250	void *seqno_page;
251	dma_addr_t dma_status_page;
252	uint32_t counter;
253	unsigned int seqno_gfx_addr;
254	drm_local_map_t hws_map;
255	struct drm_gem_object *seqno_obj;
256	struct drm_gem_object *pwrctx;
257	struct drm_gem_object *renderctx;
258
259	struct resource mch_res;
260
261	unsigned int cpp;
262	int back_offset;
263	int front_offset;
264	int current_page;
265	int page_flipping;
266
267	wait_queue_head_t irq_queue;
268	atomic_t irq_received;
269	/** Protects user_irq_refcount and irq_mask_reg */
270	spinlock_t user_irq_lock;
271	u32 trace_irq_seqno;
272	/** Cached value of IMR to avoid reads in updating the bitfield */
273	u32 irq_mask_reg;
274	u32 pipestat[2];
275	/** splitted irq regs for graphics and display engine on Ironlake,
276	    irq_mask_reg is still used for display irq. */
277	u32 gt_irq_mask_reg;
278	u32 gt_irq_enable_reg;
279	u32 de_irq_enable_reg;
280	u32 pch_irq_mask_reg;
281	u32 pch_irq_enable_reg;
282
283	u32 hotplug_supported_mask;
284	struct work_struct hotplug_work;
285
286	int tex_lru_log_granularity;
287	int allow_batchbuffer;
288	struct mem_block *agp_heap;
289	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
290	int vblank_pipe;
291	int num_pipe;
292	u32 flush_rings;
293#define FLUSH_RENDER_RING	0x1
294#define FLUSH_BSD_RING		0x2
295
296	/* For hangcheck timer */
297#define DRM_I915_HANGCHECK_PERIOD 75 /* in jiffies */
298	struct timer_list hangcheck_timer;
299	int hangcheck_count;
300	uint32_t last_acthd;
301	uint32_t last_instdone;
302	uint32_t last_instdone1;
303
304	struct drm_mm vram;
305
306	unsigned long cfb_size;
307	unsigned long cfb_pitch;
308	int cfb_fence;
309	int cfb_plane;
310
311	int irq_enabled;
312
313	struct intel_opregion opregion;
314
315	/* overlay */
316	struct intel_overlay *overlay;
317
318	/* LVDS info */
319	int backlight_duty_cycle;  /* restore backlight to this value */
320	bool panel_wants_dither;
321	struct drm_display_mode *panel_fixed_mode;
322	struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
323	struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
324
325	/* Feature bits from the VBIOS */
326	unsigned int int_tv_support:1;
327	unsigned int lvds_dither:1;
328	unsigned int lvds_vbt:1;
329	unsigned int int_crt_support:1;
330	unsigned int lvds_use_ssc:1;
331	unsigned int edp_support:1;
332	int lvds_ssc_freq;
333	int edp_bpp;
334
335	struct notifier_block lid_notifier;
336
337	int crt_ddc_bus; /* 0 = unknown, else GPIO to use for CRT DDC */
338	struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
339	int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
340	int num_fence_regs; /* 8 on pre-965, 16 otherwise */
341
342	unsigned int fsb_freq, mem_freq, is_ddr3;
343
344	spinlock_t error_lock;
345	struct drm_i915_error_state *first_error;
346	struct work_struct error_work;
347	struct workqueue_struct *wq;
348
349	/* Display functions */
350	struct drm_i915_display_funcs display;
351
352	/* PCH chipset type */
353	enum intel_pch pch_type;
354
355	unsigned long quirks;
356
357	/* Register state */
358	bool modeset_on_lid;
359	u8 saveLBB;
360	u32 saveDSPACNTR;
361	u32 saveDSPBCNTR;
362	u32 saveDSPARB;
363	u32 saveHWS;
364	u32 savePIPEACONF;
365	u32 savePIPEBCONF;
366	u32 savePIPEASRC;
367	u32 savePIPEBSRC;
368	u32 saveFPA0;
369	u32 saveFPA1;
370	u32 saveDPLL_A;
371	u32 saveDPLL_A_MD;
372	u32 saveHTOTAL_A;
373	u32 saveHBLANK_A;
374	u32 saveHSYNC_A;
375	u32 saveVTOTAL_A;
376	u32 saveVBLANK_A;
377	u32 saveVSYNC_A;
378	u32 saveBCLRPAT_A;
379	u32 saveTRANSACONF;
380	u32 saveTRANS_HTOTAL_A;
381	u32 saveTRANS_HBLANK_A;
382	u32 saveTRANS_HSYNC_A;
383	u32 saveTRANS_VTOTAL_A;
384	u32 saveTRANS_VBLANK_A;
385	u32 saveTRANS_VSYNC_A;
386	u32 savePIPEASTAT;
387	u32 saveDSPASTRIDE;
388	u32 saveDSPASIZE;
389	u32 saveDSPAPOS;
390	u32 saveDSPAADDR;
391	u32 saveDSPASURF;
392	u32 saveDSPATILEOFF;
393	u32 savePFIT_PGM_RATIOS;
394	u32 saveBLC_HIST_CTL;
395	u32 saveBLC_PWM_CTL;
396	u32 saveBLC_PWM_CTL2;
397	u32 saveBLC_CPU_PWM_CTL;
398	u32 saveBLC_CPU_PWM_CTL2;
399	u32 saveFPB0;
400	u32 saveFPB1;
401	u32 saveDPLL_B;
402	u32 saveDPLL_B_MD;
403	u32 saveHTOTAL_B;
404	u32 saveHBLANK_B;
405	u32 saveHSYNC_B;
406	u32 saveVTOTAL_B;
407	u32 saveVBLANK_B;
408	u32 saveVSYNC_B;
409	u32 saveBCLRPAT_B;
410	u32 saveTRANSBCONF;
411	u32 saveTRANS_HTOTAL_B;
412	u32 saveTRANS_HBLANK_B;
413	u32 saveTRANS_HSYNC_B;
414	u32 saveTRANS_VTOTAL_B;
415	u32 saveTRANS_VBLANK_B;
416	u32 saveTRANS_VSYNC_B;
417	u32 savePIPEBSTAT;
418	u32 saveDSPBSTRIDE;
419	u32 saveDSPBSIZE;
420	u32 saveDSPBPOS;
421	u32 saveDSPBADDR;
422	u32 saveDSPBSURF;
423	u32 saveDSPBTILEOFF;
424	u32 saveVGA0;
425	u32 saveVGA1;
426	u32 saveVGA_PD;
427	u32 saveVGACNTRL;
428	u32 saveADPA;
429	u32 saveLVDS;
430	u32 savePP_ON_DELAYS;
431	u32 savePP_OFF_DELAYS;
432	u32 saveDVOA;
433	u32 saveDVOB;
434	u32 saveDVOC;
435	u32 savePP_ON;
436	u32 savePP_OFF;
437	u32 savePP_CONTROL;
438	u32 savePP_DIVISOR;
439	u32 savePFIT_CONTROL;
440	u32 save_palette_a[256];
441	u32 save_palette_b[256];
442	u32 saveDPFC_CB_BASE;
443	u32 saveFBC_CFB_BASE;
444	u32 saveFBC_LL_BASE;
445	u32 saveFBC_CONTROL;
446	u32 saveFBC_CONTROL2;
447	u32 saveIER;
448	u32 saveIIR;
449	u32 saveIMR;
450	u32 saveDEIER;
451	u32 saveDEIMR;
452	u32 saveGTIER;
453	u32 saveGTIMR;
454	u32 saveFDI_RXA_IMR;
455	u32 saveFDI_RXB_IMR;
456	u32 saveCACHE_MODE_0;
457	u32 saveMI_ARB_STATE;
458	u32 saveSWF0[16];
459	u32 saveSWF1[16];
460	u32 saveSWF2[3];
461	u8 saveMSR;
462	u8 saveSR[8];
463	u8 saveGR[25];
464	u8 saveAR_INDEX;
465	u8 saveAR[21];
466	u8 saveDACMASK;
467	u8 saveCR[37];
468	uint64_t saveFENCE[16];
469	u32 saveCURACNTR;
470	u32 saveCURAPOS;
471	u32 saveCURABASE;
472	u32 saveCURBCNTR;
473	u32 saveCURBPOS;
474	u32 saveCURBBASE;
475	u32 saveCURSIZE;
476	u32 saveDP_B;
477	u32 saveDP_C;
478	u32 saveDP_D;
479	u32 savePIPEA_GMCH_DATA_M;
480	u32 savePIPEB_GMCH_DATA_M;
481	u32 savePIPEA_GMCH_DATA_N;
482	u32 savePIPEB_GMCH_DATA_N;
483	u32 savePIPEA_DP_LINK_M;
484	u32 savePIPEB_DP_LINK_M;
485	u32 savePIPEA_DP_LINK_N;
486	u32 savePIPEB_DP_LINK_N;
487	u32 saveFDI_RXA_CTL;
488	u32 saveFDI_TXA_CTL;
489	u32 saveFDI_RXB_CTL;
490	u32 saveFDI_TXB_CTL;
491	u32 savePFA_CTL_1;
492	u32 savePFB_CTL_1;
493	u32 savePFA_WIN_SZ;
494	u32 savePFB_WIN_SZ;
495	u32 savePFA_WIN_POS;
496	u32 savePFB_WIN_POS;
497	u32 savePCH_DREF_CONTROL;
498	u32 saveDISP_ARB_CTL;
499	u32 savePIPEA_DATA_M1;
500	u32 savePIPEA_DATA_N1;
501	u32 savePIPEA_LINK_M1;
502	u32 savePIPEA_LINK_N1;
503	u32 savePIPEB_DATA_M1;
504	u32 savePIPEB_DATA_N1;
505	u32 savePIPEB_LINK_M1;
506	u32 savePIPEB_LINK_N1;
507	u32 saveMCHBAR_RENDER_STANDBY;
508
509	struct {
510		struct drm_mm gtt_space;
511
512		struct io_mapping *gtt_mapping;
513		int gtt_mtrr;
514
515		/**
516		 * Membership on list of all loaded devices, used to evict
517		 * inactive buffers under memory pressure.
518		 *
519		 * Modifications should only be done whilst holding the
520		 * shrink_list_lock spinlock.
521		 */
522		struct list_head shrink_list;
523
524		spinlock_t active_list_lock;
525
526		/**
527		 * List of objects which are not in the ringbuffer but which
528		 * still have a write_domain which needs to be flushed before
529		 * unbinding.
530		 *
531		 * last_rendering_seqno is 0 while an object is in this list.
532		 *
533		 * A reference is held on the buffer while on this list.
534		 */
535		struct list_head flushing_list;
536
537		/**
538		 * List of objects currently pending a GPU write flush.
539		 *
540		 * All elements on this list will belong to either the
541		 * active_list or flushing_list, last_rendering_seqno can
542		 * be used to differentiate between the two elements.
543		 */
544		struct list_head gpu_write_list;
545
546		/**
547		 * LRU list of objects which are not in the ringbuffer and
548		 * are ready to unbind, but are still in the GTT.
549		 *
550		 * last_rendering_seqno is 0 while an object is in this list.
551		 *
552		 * A reference is not held on the buffer while on this list,
553		 * as merely being GTT-bound shouldn't prevent its being
554		 * freed, and we'll pull it off the list in the free path.
555		 */
556		struct list_head inactive_list;
557
558		/** LRU list of objects with fence regs on them. */
559		struct list_head fence_list;
560
561		/**
562		 * List of objects currently pending being freed.
563		 *
564		 * These objects are no longer in use, but due to a signal
565		 * we were prevented from freeing them at the appointed time.
566		 */
567		struct list_head deferred_free_list;
568
569		/**
570		 * We leave the user IRQ off as much as possible,
571		 * but this means that requests will finish and never
572		 * be retired once the system goes idle. Set a timer to
573		 * fire periodically while the ring is running. When it
574		 * fires, go retire requests.
575		 */
576		struct delayed_work retire_work;
577
578		/**
579		 * Waiting sequence number, if any
580		 */
581		uint32_t waiting_gem_seqno;
582
583		/**
584		 * Last seq seen at irq time
585		 */
586		uint32_t irq_gem_seqno;
587
588		/**
589		 * Flag if the X Server, and thus DRM, is not currently in
590		 * control of the device.
591		 *
592		 * This is set between LeaveVT and EnterVT.  It needs to be
593		 * replaced with a semaphore.  It also needs to be
594		 * transitioned away from for kernel modesetting.
595		 */
596		int suspended;
597
598		/**
599		 * Flag if the hardware appears to be wedged.
600		 *
601		 * This is set when attempts to idle the device timeout.
602		 * It prevents command submission from occuring and makes
603		 * every pending request fail
604		 */
605		atomic_t wedged;
606
607		/** Bit 6 swizzling required for X tiling */
608		uint32_t bit_6_swizzle_x;
609		/** Bit 6 swizzling required for Y tiling */
610		uint32_t bit_6_swizzle_y;
611
612		/* storage for physical objects */
613		struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
614	} mm;
615	struct sdvo_device_mapping sdvo_mappings[2];
616	/* indicate whether the LVDS_BORDER should be enabled or not */
617	unsigned int lvds_border_bits;
618	/* Panel fitter placement and size for Ironlake+ */
619	u32 pch_pf_pos, pch_pf_size;
620
621	struct drm_crtc *plane_to_crtc_mapping[2];
622	struct drm_crtc *pipe_to_crtc_mapping[2];
623	wait_queue_head_t pending_flip_queue;
624	bool flip_pending_is_done;
625
626	/* Reclocking support */
627	bool render_reclock_avail;
628	bool lvds_downclock_avail;
629	/* indicate whether the LVDS EDID is OK */
630	bool lvds_edid_good;
631	/* indicates the reduced downclock for LVDS*/
632	int lvds_downclock;
633	struct work_struct idle_work;
634	struct timer_list idle_timer;
635	bool busy;
636	u16 orig_clock;
637	int child_dev_num;
638	struct child_device_config *child_dev;
639	struct drm_connector *int_lvds_connector;
640
641	bool mchbar_need_disable;
642
643	u8 cur_delay;
644	u8 min_delay;
645	u8 max_delay;
646	u8 fmax;
647	u8 fstart;
648
649 	u64 last_count1;
650 	unsigned long last_time1;
651 	u64 last_count2;
652 	struct timespec last_time2;
653 	unsigned long gfx_power;
654 	int c_m;
655 	int r_t;
656 	u8 corr;
657	spinlock_t *mchdev_lock;
658
659	enum no_fbc_reason no_fbc_reason;
660
661	struct drm_mm_node *compressed_fb;
662	struct drm_mm_node *compressed_llb;
663
664	/* list of fbdev register on this device */
665	struct intel_fbdev *fbdev;
666} drm_i915_private_t;
667
668/** driver private structure attached to each drm_gem_object */
669struct drm_i915_gem_object {
670	struct drm_gem_object base;
671
672	/** Current space allocated to this object in the GTT, if any. */
673	struct drm_mm_node *gtt_space;
674
675	/** This object's place on the active/flushing/inactive lists */
676	struct list_head list;
677	/** This object's place on GPU write list */
678	struct list_head gpu_write_list;
679	/** This object's place on eviction list */
680	struct list_head evict_list;
681
682	/**
683	 * This is set if the object is on the active or flushing lists
684	 * (has pending rendering), and is not set if it's on inactive (ready
685	 * to be unbound).
686	 */
687	unsigned int active : 1;
688
689	/**
690	 * This is set if the object has been written to since last bound
691	 * to the GTT
692	 */
693	unsigned int dirty : 1;
694
695	/**
696	 * Fence register bits (if any) for this object.  Will be set
697	 * as needed when mapped into the GTT.
698	 * Protected by dev->struct_mutex.
699	 *
700	 * Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
701	 */
702	signed int fence_reg : 5;
703
704	/**
705	 * Used for checking the object doesn't appear more than once
706	 * in an execbuffer object list.
707	 */
708	unsigned int in_execbuffer : 1;
709
710	/**
711	 * Advice: are the backing pages purgeable?
712	 */
713	unsigned int madv : 2;
714
715	/**
716	 * Refcount for the pages array. With the current locking scheme, there
717	 * are at most two concurrent users: Binding a bo to the gtt and
718	 * pwrite/pread using physical addresses. So two bits for a maximum
719	 * of two users are enough.
720	 */
721	unsigned int pages_refcount : 2;
722#define DRM_I915_GEM_OBJECT_MAX_PAGES_REFCOUNT 0x3
723
724	/**
725	 * Current tiling mode for the object.
726	 */
727	unsigned int tiling_mode : 2;
728
729	/** How many users have pinned this object in GTT space. The following
730	 * users can each hold at most one reference: pwrite/pread, pin_ioctl
731	 * (via user_pin_count), execbuffer (objects are not allowed multiple
732	 * times for the same batchbuffer), and the framebuffer code. When
733	 * switching/pageflipping, the framebuffer code has at most two buffers
734	 * pinned per crtc.
735	 *
736	 * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
737	 * bits with absolutely no headroom. So use 4 bits. */
738	unsigned int pin_count : 4;
739#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
740
741	/** AGP memory structure for our GTT binding. */
742	DRM_AGP_MEM *agp_mem;
743
744	struct page **pages;
745
746	/**
747	 * Current offset of the object in GTT space.
748	 *
749	 * This is the same as gtt_space->start
750	 */
751	uint32_t gtt_offset;
752
753	/* Which ring is refering to is this object */
754	struct intel_ring_buffer *ring;
755
756	/**
757	 * Fake offset for use by mmap(2)
758	 */
759	uint64_t mmap_offset;
760
761	/** Breadcrumb of last rendering to the buffer. */
762	uint32_t last_rendering_seqno;
763
764	/** Current tiling stride for the object, if it's tiled. */
765	uint32_t stride;
766
767	/** Record of address bit 17 of each page at last unbind. */
768	unsigned long *bit_17;
769
770	/** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
771	uint32_t agp_type;
772
773	/**
774	 * If present, while GEM_DOMAIN_CPU is in the read domain this array
775	 * flags which individual pages are valid.
776	 */
777	uint8_t *page_cpu_valid;
778
779	/** User space pin count and filp owning the pin */
780	uint32_t user_pin_count;
781	struct drm_file *pin_filp;
782
783	/** for phy allocated objects */
784	struct drm_i915_gem_phys_object *phys_obj;
785
786	/**
787	 * Number of crtcs where this object is currently the fb, but
788	 * will be page flipped away on the next vblank.  When it
789	 * reaches 0, dev_priv->pending_flip_queue will be woken up.
790	 */
791	atomic_t pending_flip;
792};
793
794#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
795
796/**
797 * Request queue structure.
798 *
799 * The request queue allows us to note sequence numbers that have been emitted
800 * and may be associated with active buffers to be retired.
801 *
802 * By keeping this list, we can avoid having to do questionable
803 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
804 * an emission time with seqnos for tracking how far ahead of the GPU we are.
805 */
806struct drm_i915_gem_request {
807	/** On Which ring this request was generated */
808	struct intel_ring_buffer *ring;
809
810	/** GEM sequence number associated with this request. */
811	uint32_t seqno;
812
813	/** Time at which this request was emitted, in jiffies. */
814	unsigned long emitted_jiffies;
815
816	/** global list entry for this request */
817	struct list_head list;
818
819	/** file_priv list entry for this request */
820	struct list_head client_list;
821};
822
823struct drm_i915_file_private {
824	struct {
825		struct list_head request_list;
826	} mm;
827};
828
829enum intel_chip_family {
830	CHIP_I8XX = 0x01,
831	CHIP_I9XX = 0x02,
832	CHIP_I915 = 0x04,
833	CHIP_I965 = 0x08,
834};
835
836extern struct drm_ioctl_desc i915_ioctls[];
837extern int i915_max_ioctl;
838extern unsigned int i915_fbpercrtc;
839extern unsigned int i915_powersave;
840extern unsigned int i915_lvds_downclock;
841
842extern int i915_suspend(struct drm_device *dev, pm_message_t state);
843extern int i915_resume(struct drm_device *dev);
844extern void i915_save_display(struct drm_device *dev);
845extern void i915_restore_display(struct drm_device *dev);
846extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
847extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
848
849				/* i915_dma.c */
850extern void i915_kernel_lost_context(struct drm_device * dev);
851extern int i915_driver_load(struct drm_device *, unsigned long flags);
852extern int i915_driver_unload(struct drm_device *);
853extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
854extern void i915_driver_lastclose(struct drm_device * dev);
855extern void i915_driver_preclose(struct drm_device *dev,
856				 struct drm_file *file_priv);
857extern void i915_driver_postclose(struct drm_device *dev,
858				  struct drm_file *file_priv);
859extern int i915_driver_device_is_agp(struct drm_device * dev);
860extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
861			      unsigned long arg);
862extern int i915_emit_box(struct drm_device *dev,
863			 struct drm_clip_rect *boxes,
864			 int i, int DR1, int DR4);
865extern int i965_reset(struct drm_device *dev, u8 flags);
866extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
867extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
868extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
869extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
870
871
872/* i915_irq.c */
873void i915_hangcheck_elapsed(unsigned long data);
874void i915_destroy_error_state(struct drm_device *dev);
875extern int i915_irq_emit(struct drm_device *dev, void *data,
876			 struct drm_file *file_priv);
877extern int i915_irq_wait(struct drm_device *dev, void *data,
878			 struct drm_file *file_priv);
879void i915_trace_irq_get(struct drm_device *dev, u32 seqno);
880extern void i915_enable_interrupt (struct drm_device *dev);
881
882extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
883extern void i915_driver_irq_preinstall(struct drm_device * dev);
884extern int i915_driver_irq_postinstall(struct drm_device *dev);
885extern void i915_driver_irq_uninstall(struct drm_device * dev);
886extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
887				struct drm_file *file_priv);
888extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
889				struct drm_file *file_priv);
890extern int i915_enable_vblank(struct drm_device *dev, int crtc);
891extern void i915_disable_vblank(struct drm_device *dev, int crtc);
892extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
893extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
894extern int i915_vblank_swap(struct drm_device *dev, void *data,
895			    struct drm_file *file_priv);
896extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
897extern void i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask);
898extern void ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv,
899		u32 mask);
900extern void ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv,
901		u32 mask);
902
903void
904i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
905
906void
907i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
908
909void intel_enable_asle (struct drm_device *dev);
910
911
912/* i915_mem.c */
913extern int i915_mem_alloc(struct drm_device *dev, void *data,
914			  struct drm_file *file_priv);
915extern int i915_mem_free(struct drm_device *dev, void *data,
916			 struct drm_file *file_priv);
917extern int i915_mem_init_heap(struct drm_device *dev, void *data,
918			      struct drm_file *file_priv);
919extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
920				 struct drm_file *file_priv);
921extern void i915_mem_takedown(struct mem_block **heap);
922extern void i915_mem_release(struct drm_device * dev,
923			     struct drm_file *file_priv, struct mem_block *heap);
924/* i915_gem.c */
925int i915_gem_init_ioctl(struct drm_device *dev, void *data,
926			struct drm_file *file_priv);
927int i915_gem_create_ioctl(struct drm_device *dev, void *data,
928			  struct drm_file *file_priv);
929int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
930			 struct drm_file *file_priv);
931int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
932			  struct drm_file *file_priv);
933int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
934			struct drm_file *file_priv);
935int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
936			struct drm_file *file_priv);
937int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
938			      struct drm_file *file_priv);
939int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
940			     struct drm_file *file_priv);
941int i915_gem_execbuffer(struct drm_device *dev, void *data,
942			struct drm_file *file_priv);
943int i915_gem_execbuffer2(struct drm_device *dev, void *data,
944			 struct drm_file *file_priv);
945int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
946		       struct drm_file *file_priv);
947int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
948			 struct drm_file *file_priv);
949int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
950			struct drm_file *file_priv);
951int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
952			    struct drm_file *file_priv);
953int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
954			   struct drm_file *file_priv);
955int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
956			   struct drm_file *file_priv);
957int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
958			   struct drm_file *file_priv);
959int i915_gem_set_tiling(struct drm_device *dev, void *data,
960			struct drm_file *file_priv);
961int i915_gem_get_tiling(struct drm_device *dev, void *data,
962			struct drm_file *file_priv);
963int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
964				struct drm_file *file_priv);
965void i915_gem_load(struct drm_device *dev);
966int i915_gem_init_object(struct drm_gem_object *obj);
967struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev,
968					      size_t size);
969void i915_gem_free_object(struct drm_gem_object *obj);
970int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
971void i915_gem_object_unpin(struct drm_gem_object *obj);
972int i915_gem_object_unbind(struct drm_gem_object *obj);
973void i915_gem_release_mmap(struct drm_gem_object *obj);
974void i915_gem_lastclose(struct drm_device *dev);
975uint32_t i915_get_gem_seqno(struct drm_device *dev,
976		struct intel_ring_buffer *ring);
977bool i915_seqno_passed(uint32_t seq1, uint32_t seq2);
978int i915_gem_object_get_fence_reg(struct drm_gem_object *obj);
979int i915_gem_object_put_fence_reg(struct drm_gem_object *obj);
980void i915_gem_retire_requests(struct drm_device *dev);
981void i915_gem_retire_work_handler(struct work_struct *work);
982void i915_gem_clflush_object(struct drm_gem_object *obj);
983int i915_gem_object_set_domain(struct drm_gem_object *obj,
984			       uint32_t read_domains,
985			       uint32_t write_domain);
986int i915_gem_init_ringbuffer(struct drm_device *dev);
987void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
988int i915_gem_do_init(struct drm_device *dev, unsigned long start,
989		     unsigned long end);
990int i915_gpu_idle(struct drm_device *dev);
991int i915_gem_idle(struct drm_device *dev);
992uint32_t i915_add_request(struct drm_device *dev,
993		struct drm_file *file_priv,
994		uint32_t flush_domains,
995		struct intel_ring_buffer *ring);
996int i915_do_wait_request(struct drm_device *dev,
997		uint32_t seqno, int interruptible,
998		struct intel_ring_buffer *ring);
999int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
1000int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
1001				      int write);
1002int i915_gem_object_set_to_display_plane(struct drm_gem_object *obj);
1003int i915_gem_attach_phys_object(struct drm_device *dev,
1004				struct drm_gem_object *obj,
1005				int id,
1006				int align);
1007void i915_gem_detach_phys_object(struct drm_device *dev,
1008				 struct drm_gem_object *obj);
1009void i915_gem_free_all_phys_object(struct drm_device *dev);
1010int i915_gem_object_get_pages(struct drm_gem_object *obj, gfp_t gfpmask);
1011void i915_gem_object_put_pages(struct drm_gem_object *obj);
1012void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
1013int i915_gem_object_flush_write_domain(struct drm_gem_object *obj);
1014
1015void i915_gem_shrinker_init(void);
1016void i915_gem_shrinker_exit(void);
1017
1018/* i915_gem_evict.c */
1019int i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignment);
1020int i915_gem_evict_everything(struct drm_device *dev);
1021int i915_gem_evict_inactive(struct drm_device *dev);
1022
1023/* i915_gem_tiling.c */
1024void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
1025void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
1026void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
1027bool i915_tiling_ok(struct drm_device *dev, int stride, int size,
1028		    int tiling_mode);
1029bool i915_gem_object_fence_offset_ok(struct drm_gem_object *obj,
1030				     int tiling_mode);
1031
1032/* i915_gem_debug.c */
1033void i915_gem_dump_object(struct drm_gem_object *obj, int len,
1034			  const char *where, uint32_t mark);
1035#if WATCH_INACTIVE
1036void i915_verify_inactive(struct drm_device *dev, char *file, int line);
1037#else
1038#define i915_verify_inactive(dev, file, line)
1039#endif
1040void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
1041void i915_gem_dump_object(struct drm_gem_object *obj, int len,
1042			  const char *where, uint32_t mark);
1043void i915_dump_lru(struct drm_device *dev, const char *where);
1044
1045/* i915_debugfs.c */
1046int i915_debugfs_init(struct drm_minor *minor);
1047void i915_debugfs_cleanup(struct drm_minor *minor);
1048
1049/* i915_suspend.c */
1050extern int i915_save_state(struct drm_device *dev);
1051extern int i915_restore_state(struct drm_device *dev);
1052
1053/* i915_suspend.c */
1054extern int i915_save_state(struct drm_device *dev);
1055extern int i915_restore_state(struct drm_device *dev);
1056
1057#ifdef CONFIG_ACPI
1058/* i915_opregion.c */
1059extern int intel_opregion_init(struct drm_device *dev, int resume);
1060extern void intel_opregion_free(struct drm_device *dev, int suspend);
1061extern void opregion_asle_intr(struct drm_device *dev);
1062extern void ironlake_opregion_gse_intr(struct drm_device *dev);
1063extern void opregion_enable_asle(struct drm_device *dev);
1064#else
1065static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; }
1066static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; }
1067static inline void opregion_asle_intr(struct drm_device *dev) { return; }
1068static inline void ironlake_opregion_gse_intr(struct drm_device *dev) { return; }
1069static inline void opregion_enable_asle(struct drm_device *dev) { return; }
1070#endif
1071
1072/* modesetting */
1073extern void intel_modeset_init(struct drm_device *dev);
1074extern void intel_modeset_cleanup(struct drm_device *dev);
1075extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
1076extern void i8xx_disable_fbc(struct drm_device *dev);
1077extern void g4x_disable_fbc(struct drm_device *dev);
1078extern void ironlake_disable_fbc(struct drm_device *dev);
1079extern void intel_disable_fbc(struct drm_device *dev);
1080extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval);
1081extern bool intel_fbc_enabled(struct drm_device *dev);
1082extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
1083extern void intel_detect_pch (struct drm_device *dev);
1084extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
1085
1086/* overlay */
1087extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
1088extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
1089
1090/**
1091 * Lock test for when it's just for synchronization of ring access.
1092 *
1093 * In that case, we don't need to do it when GEM is initialized as nobody else
1094 * has access to the ring.
1095 */
1096#define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do {			\
1097	if (((drm_i915_private_t *)dev->dev_private)->render_ring.gem_object \
1098			== NULL)					\
1099		LOCK_TEST_WITH_RETURN(dev, file_priv);			\
1100} while (0)
1101
1102#define I915_READ(reg)          readl(dev_priv->regs + (reg))
1103#define I915_WRITE(reg, val)     writel(val, dev_priv->regs + (reg))
1104#define I915_READ16(reg)	readw(dev_priv->regs + (reg))
1105#define I915_WRITE16(reg, val)	writel(val, dev_priv->regs + (reg))
1106#define I915_READ8(reg)		readb(dev_priv->regs + (reg))
1107#define I915_WRITE8(reg, val)	writeb(val, dev_priv->regs + (reg))
1108#define I915_WRITE64(reg, val)	writeq(val, dev_priv->regs + (reg))
1109#define I915_READ64(reg)	readq(dev_priv->regs + (reg))
1110#define POSTING_READ(reg)	(void)I915_READ(reg)
1111#define POSTING_READ16(reg)	(void)I915_READ16(reg)
1112
1113#define I915_VERBOSE 0
1114
1115#define BEGIN_LP_RING(n)  do { \
1116	drm_i915_private_t *dev_priv__ = dev->dev_private;                \
1117	if (I915_VERBOSE)						\
1118		DRM_DEBUG("   BEGIN_LP_RING %x\n", (int)(n));		\
1119	intel_ring_begin(dev, &dev_priv__->render_ring, (n));		\
1120} while (0)
1121
1122
1123#define OUT_RING(x) do {						\
1124	drm_i915_private_t *dev_priv__ = dev->dev_private;		\
1125	if (I915_VERBOSE)						\
1126		DRM_DEBUG("   OUT_RING %x\n", (int)(x));		\
1127	intel_ring_emit(dev, &dev_priv__->render_ring, x);		\
1128} while (0)
1129
1130#define ADVANCE_LP_RING() do {						\
1131	drm_i915_private_t *dev_priv__ = dev->dev_private;                \
1132	if (I915_VERBOSE)						\
1133		DRM_DEBUG("ADVANCE_LP_RING %x\n",			\
1134				dev_priv__->render_ring.tail);		\
1135	intel_ring_advance(dev, &dev_priv__->render_ring);		\
1136} while(0)
1137
1138/**
1139 * Reads a dword out of the status page, which is written to from the command
1140 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
1141 * MI_STORE_DATA_IMM.
1142 *
1143 * The following dwords have a reserved meaning:
1144 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
1145 * 0x04: ring 0 head pointer
1146 * 0x05: ring 1 head pointer (915-class)
1147 * 0x06: ring 2 head pointer (915-class)
1148 * 0x10-0x1b: Context status DWords (GM45)
1149 * 0x1f: Last written status offset. (GM45)
1150 *
1151 * The area from dword 0x20 to 0x3ff is available for driver usage.
1152 */
1153#define READ_HWSP(dev_priv, reg)  (((volatile u32 *)\
1154			(dev_priv->render_ring.status_page.page_addr))[reg])
1155#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
1156#define I915_GEM_HWS_INDEX		0x20
1157#define I915_BREADCRUMB_INDEX		0x21
1158
1159#define INTEL_INFO(dev)	(((struct drm_i915_private *) (dev)->dev_private)->info)
1160
1161#define IS_I830(dev)		((dev)->pci_device == 0x3577)
1162#define IS_845G(dev)		((dev)->pci_device == 0x2562)
1163#define IS_I85X(dev)		(INTEL_INFO(dev)->is_i85x)
1164#define IS_I865G(dev)		((dev)->pci_device == 0x2572)
1165#define IS_I915G(dev)		(INTEL_INFO(dev)->is_i915g)
1166#define IS_I915GM(dev)		((dev)->pci_device == 0x2592)
1167#define IS_I945G(dev)		((dev)->pci_device == 0x2772)
1168#define IS_I945GM(dev)		(INTEL_INFO(dev)->is_i945gm)
1169#define IS_I965G(dev)		(INTEL_INFO(dev)->is_i965g)
1170#define IS_I965GM(dev)		(INTEL_INFO(dev)->is_i965gm)
1171#define IS_BROADWATER(dev)	(INTEL_INFO(dev)->is_broadwater)
1172#define IS_CRESTLINE(dev)	(INTEL_INFO(dev)->is_crestline)
1173#define IS_GM45(dev)		((dev)->pci_device == 0x2A42)
1174#define IS_G4X(dev)		(INTEL_INFO(dev)->is_g4x)
1175#define IS_PINEVIEW_G(dev)	((dev)->pci_device == 0xa001)
1176#define IS_PINEVIEW_M(dev)	((dev)->pci_device == 0xa011)
1177#define IS_PINEVIEW(dev)	(INTEL_INFO(dev)->is_pineview)
1178#define IS_G33(dev)		(INTEL_INFO(dev)->is_g33)
1179#define IS_IRONLAKE_D(dev)	((dev)->pci_device == 0x0042)
1180#define IS_IRONLAKE_M(dev)	((dev)->pci_device == 0x0046)
1181#define IS_IRONLAKE(dev)	(INTEL_INFO(dev)->is_ironlake)
1182#define IS_I9XX(dev)		(INTEL_INFO(dev)->is_i9xx)
1183#define IS_MOBILE(dev)		(INTEL_INFO(dev)->is_mobile)
1184
1185#define IS_GEN2(dev)	(INTEL_INFO(dev)->gen == 2)
1186#define IS_GEN3(dev)	(INTEL_INFO(dev)->gen == 3)
1187#define IS_GEN4(dev)	(INTEL_INFO(dev)->gen == 4)
1188#define IS_GEN5(dev)	(INTEL_INFO(dev)->gen == 5)
1189#define IS_GEN6(dev)	(INTEL_INFO(dev)->gen == 6)
1190
1191#define HAS_BSD(dev)            (IS_IRONLAKE(dev) || IS_G4X(dev))
1192#define I915_NEED_GFX_HWS(dev)	(INTEL_INFO(dev)->need_gfx_hws)
1193
1194/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1195 * rows, which changed the alignment requirements and fence programming.
1196 */
1197#define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
1198						      IS_I915GM(dev)))
1199#define SUPPORTS_DIGITAL_OUTPUTS(dev)	(IS_I9XX(dev) && !IS_PINEVIEW(dev))
1200#define SUPPORTS_INTEGRATED_HDMI(dev)	(IS_G4X(dev) || IS_IRONLAKE(dev))
1201#define SUPPORTS_INTEGRATED_DP(dev)	(IS_G4X(dev) || IS_IRONLAKE(dev))
1202#define SUPPORTS_EDP(dev)		(IS_IRONLAKE_M(dev))
1203#define SUPPORTS_TV(dev)		(IS_I9XX(dev) && IS_MOBILE(dev) && \
1204					!IS_IRONLAKE(dev) && !IS_PINEVIEW(dev) && \
1205					!IS_GEN6(dev))
1206#define I915_HAS_HOTPLUG(dev)		 (INTEL_INFO(dev)->has_hotplug)
1207/* dsparb controlled by hw only */
1208#define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))
1209
1210#define HAS_FW_BLC(dev) (IS_I9XX(dev) || IS_G4X(dev) || IS_IRONLAKE(dev))
1211#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
1212#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
1213#define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
1214
1215#define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) ||	\
1216			    IS_GEN6(dev))
1217#define HAS_PIPE_CONTROL(dev) (IS_IRONLAKE(dev) || IS_GEN6(dev))
1218
1219#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
1220#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
1221
1222#define PRIMARY_RINGBUFFER_SIZE         (128*1024)
1223
1224#endif
1225