i915_drv.h revision 189130
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#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/dev/drm/i915_drv.h 189130 2009-02-28 02:37:55Z rnoland $");
32
33#ifndef _I915_DRV_H_
34#define _I915_DRV_H_
35
36#include "dev/drm/i915_reg.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
52#define I915_NUM_PIPE	2
53
54/* Interface history:
55 *
56 * 1.1: Original.
57 * 1.2: Add Power Management
58 * 1.3: Add vblank support
59 * 1.4: Fix cmdbuffer path, add heap destroy
60 * 1.5: Add vblank pipe configuration
61 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
62 *      - Support vertical blank on secondary display pipe
63 */
64#define DRIVER_MAJOR		1
65#define DRIVER_MINOR		6
66#define DRIVER_PATCHLEVEL	0
67
68#define WATCH_COHERENCY	0
69#define WATCH_BUF	0
70#define WATCH_EXEC	0
71#define WATCH_LRU	0
72#define WATCH_RELOC	0
73#define WATCH_INACTIVE	0
74#define WATCH_PWRITE	0
75
76typedef struct _drm_i915_ring_buffer {
77	int tail_mask;
78	unsigned long Size;
79	u8 *virtual_start;
80	int head;
81	int tail;
82	int space;
83	drm_local_map_t map;
84	struct drm_gem_object *ring_obj;
85} drm_i915_ring_buffer_t;
86
87struct mem_block {
88	struct mem_block *next;
89	struct mem_block *prev;
90	int start;
91	int size;
92	struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
93};
94
95struct opregion_header;
96struct opregion_acpi;
97struct opregion_swsci;
98struct opregion_asle;
99
100struct intel_opregion {
101	struct opregion_header *header;
102	struct opregion_acpi *acpi;
103	struct opregion_swsci *swsci;
104	struct opregion_asle *asle;
105	int enabled;
106};
107
108typedef struct drm_i915_private {
109	struct drm_device *dev;
110
111	drm_local_map_t *sarea;
112	drm_local_map_t *mmio_map;
113
114	drm_i915_sarea_t *sarea_priv;
115	drm_i915_ring_buffer_t ring;
116
117	drm_dma_handle_t *status_page_dmah;
118	void *hw_status_page;
119	dma_addr_t dma_status_page;
120	uint32_t counter;
121	unsigned int status_gfx_addr;
122	drm_local_map_t hws_map;
123	struct drm_gem_object *hws_obj;
124
125	unsigned int cpp;
126	int back_offset;
127	int front_offset;
128	int current_page;
129	int page_flipping;
130
131	wait_queue_head_t irq_queue;
132	atomic_t irq_received;
133	/** Protects user_irq_refcount and irq_mask_reg */
134	DRM_SPINTYPE user_irq_lock;
135	/** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
136	int user_irq_refcount;
137	/** Cached value of IER to avoid reads in updating the bitfield */
138	u32 irq_mask_reg;
139	u32 pipestat[2];
140
141	int tex_lru_log_granularity;
142	int allow_batchbuffer;
143	struct mem_block *agp_heap;
144	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
145	int vblank_pipe;
146
147	struct intel_opregion opregion;
148
149	/* Register state */
150	u8 saveLBB;
151	u32 saveDSPACNTR;
152	u32 saveDSPBCNTR;
153	u32 saveDSPARB;
154	u32 savePIPEACONF;
155	u32 savePIPEBCONF;
156	u32 savePIPEASRC;
157	u32 savePIPEBSRC;
158	u32 saveFPA0;
159	u32 saveFPA1;
160	u32 saveDPLL_A;
161	u32 saveDPLL_A_MD;
162	u32 saveHTOTAL_A;
163	u32 saveHBLANK_A;
164	u32 saveHSYNC_A;
165	u32 saveVTOTAL_A;
166	u32 saveVBLANK_A;
167	u32 saveVSYNC_A;
168	u32 saveBCLRPAT_A;
169	u32 savePIPEASTAT;
170	u32 saveDSPASTRIDE;
171	u32 saveDSPASIZE;
172	u32 saveDSPAPOS;
173	u32 saveDSPAADDR;
174	u32 saveDSPASURF;
175	u32 saveDSPATILEOFF;
176	u32 savePFIT_PGM_RATIOS;
177	u32 saveBLC_PWM_CTL;
178	u32 saveBLC_PWM_CTL2;
179	u32 saveFPB0;
180	u32 saveFPB1;
181	u32 saveDPLL_B;
182	u32 saveDPLL_B_MD;
183	u32 saveHTOTAL_B;
184	u32 saveHBLANK_B;
185	u32 saveHSYNC_B;
186	u32 saveVTOTAL_B;
187	u32 saveVBLANK_B;
188	u32 saveVSYNC_B;
189	u32 saveBCLRPAT_B;
190	u32 savePIPEBSTAT;
191	u32 saveDSPBSTRIDE;
192	u32 saveDSPBSIZE;
193	u32 saveDSPBPOS;
194	u32 saveDSPBADDR;
195	u32 saveDSPBSURF;
196	u32 saveDSPBTILEOFF;
197	u32 saveVGA0;
198	u32 saveVGA1;
199	u32 saveVGA_PD;
200	u32 saveVGACNTRL;
201	u32 saveADPA;
202	u32 saveLVDS;
203	u32 savePP_ON_DELAYS;
204	u32 savePP_OFF_DELAYS;
205	u32 saveDVOA;
206	u32 saveDVOB;
207	u32 saveDVOC;
208	u32 savePP_ON;
209	u32 savePP_OFF;
210	u32 savePP_CONTROL;
211	u32 savePP_DIVISOR;
212	u32 savePFIT_CONTROL;
213	u32 save_palette_a[256];
214	u32 save_palette_b[256];
215	u32 saveFBC_CFB_BASE;
216	u32 saveFBC_LL_BASE;
217	u32 saveFBC_CONTROL;
218	u32 saveFBC_CONTROL2;
219	u32 saveIER;
220	u32 saveIIR;
221	u32 saveIMR;
222	u32 saveCACHE_MODE_0;
223	u32 saveD_STATE;
224	u32 saveCG_2D_DIS;
225	u32 saveMI_ARB_STATE;
226	u32 saveSWF0[16];
227	u32 saveSWF1[16];
228	u32 saveSWF2[3];
229	u8 saveMSR;
230	u8 saveSR[8];
231	u8 saveGR[25];
232	u8 saveAR_INDEX;
233	u8 saveAR[21];
234	u8 saveDACMASK;
235	u8 saveDACDATA[256*3]; /* 256 3-byte colors */
236	u8 saveCR[37];
237	struct {
238#ifdef __linux__
239		struct drm_mm gtt_space;
240#endif
241		/**
242		 * List of objects currently involved in rendering from the
243		 * ringbuffer.
244		 *
245		 * A reference is held on the buffer while on this list.
246		 */
247		struct list_head active_list;
248
249		/**
250		 * List of objects which are not in the ringbuffer but which
251		 * still have a write_domain which needs to be flushed before
252		 * unbinding.
253		 *
254		 * A reference is held on the buffer while on this list.
255		 */
256		struct list_head flushing_list;
257
258		/**
259		 * LRU list of objects which are not in the ringbuffer and
260		 * are ready to unbind, but are still in the GTT.
261		 *
262		 * A reference is not held on the buffer while on this list,
263		 * as merely being GTT-bound shouldn't prevent its being
264		 * freed, and we'll pull it off the list in the free path.
265		 */
266		struct list_head inactive_list;
267
268		/**
269		 * List of breadcrumbs associated with GPU requests currently
270		 * outstanding.
271		 */
272		struct list_head request_list;
273#ifdef __linux__
274		/**
275		 * We leave the user IRQ off as much as possible,
276		 * but this means that requests will finish and never
277		 * be retired once the system goes idle. Set a timer to
278		 * fire periodically while the ring is running. When it
279		 * fires, go retire requests.
280		 */
281		struct delayed_work retire_work;
282#endif
283		uint32_t next_gem_seqno;
284
285		/**
286		 * Waiting sequence number, if any
287		 */
288		uint32_t waiting_gem_seqno;
289
290		/**
291		 * Last seq seen at irq time
292		 */
293		uint32_t irq_gem_seqno;
294
295		/**
296		 * Flag if the X Server, and thus DRM, is not currently in
297		 * control of the device.
298		 *
299		 * This is set between LeaveVT and EnterVT.  It needs to be
300		 * replaced with a semaphore.  It also needs to be
301		 * transitioned away from for kernel modesetting.
302		 */
303		int suspended;
304
305		/**
306		 * Flag if the hardware appears to be wedged.
307		 *
308		 * This is set when attempts to idle the device timeout.
309		 * It prevents command submission from occuring and makes
310		 * every pending request fail
311		 */
312		int wedged;
313
314		/** Bit 6 swizzling required for X tiling */
315		uint32_t bit_6_swizzle_x;
316		/** Bit 6 swizzling required for Y tiling */
317		uint32_t bit_6_swizzle_y;
318	} mm;
319} drm_i915_private_t;
320
321enum intel_chip_family {
322	CHIP_I8XX = 0x01,
323	CHIP_I9XX = 0x02,
324	CHIP_I915 = 0x04,
325	CHIP_I965 = 0x08,
326};
327
328/** driver private structure attached to each drm_gem_object */
329struct drm_i915_gem_object {
330	struct drm_gem_object *obj;
331
332	/** Current space allocated to this object in the GTT, if any. */
333	struct drm_mm_node *gtt_space;
334
335	/** This object's place on the active/flushing/inactive lists */
336	struct list_head list;
337
338	/**
339	 * This is set if the object is on the active or flushing lists
340	 * (has pending rendering), and is not set if it's on inactive (ready
341	 * to be unbound).
342	 */
343	int active;
344
345	/**
346	 * This is set if the object has been written to since last bound
347	 * to the GTT
348	 */
349	int dirty;
350
351	/** AGP memory structure for our GTT binding. */
352	DRM_AGP_MEM *agp_mem;
353
354	struct page **page_list;
355
356	/**
357	 * Current offset of the object in GTT space.
358	 *
359	 * This is the same as gtt_space->start
360	 */
361	uint32_t gtt_offset;
362
363	/** Boolean whether this object has a valid gtt offset. */
364	int gtt_bound;
365
366	/** How many users have pinned this object in GTT space */
367	int pin_count;
368
369	/** Breadcrumb of last rendering to the buffer. */
370	uint32_t last_rendering_seqno;
371
372	/** Current tiling mode for the object. */
373	uint32_t tiling_mode;
374
375	/** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
376	uint32_t agp_type;
377
378	/**
379	 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
380	 * GEM_DOMAIN_CPU is not in the object's read domain.
381	 */
382	uint8_t *page_cpu_valid;
383};
384
385/**
386 * Request queue structure.
387 *
388 * The request queue allows us to note sequence numbers that have been emitted
389 * and may be associated with active buffers to be retired.
390 *
391 * By keeping this list, we can avoid having to do questionable
392 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
393 * an emission time with seqnos for tracking how far ahead of the GPU we are.
394 */
395struct drm_i915_gem_request {
396	/** GEM sequence number associated with this request. */
397	uint32_t seqno;
398
399	/** Time at which this request was emitted, in jiffies. */
400	unsigned long emitted_jiffies;
401
402	/** Cache domains that were flushed at the start of the request. */
403	uint32_t flush_domains;
404
405	struct list_head list;
406};
407
408struct drm_i915_file_private {
409	struct {
410		uint32_t last_gem_seqno;
411		uint32_t last_gem_throttle_seqno;
412	} mm;
413};
414
415extern struct drm_ioctl_desc i915_ioctls[];
416extern int i915_max_ioctl;
417
418				/* i915_dma.c */
419extern void i915_kernel_lost_context(struct drm_device * dev);
420extern int i915_driver_load(struct drm_device *, unsigned long flags);
421extern int i915_driver_unload(struct drm_device *);
422extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
423extern void i915_driver_lastclose(struct drm_device * dev);
424extern void i915_driver_preclose(struct drm_device *dev,
425				 struct drm_file *file_priv);
426extern void i915_driver_postclose(struct drm_device *dev,
427				  struct drm_file *file_priv);
428extern int i915_driver_device_is_agp(struct drm_device * dev);
429extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
430			      unsigned long arg);
431extern int i915_emit_box(struct drm_device *dev,
432			 struct drm_clip_rect __user *boxes,
433			 int i, int DR1, int DR4);
434
435/* i915_irq.c */
436extern int i915_irq_emit(struct drm_device *dev, void *data,
437			 struct drm_file *file_priv);
438extern int i915_irq_wait(struct drm_device *dev, void *data,
439			 struct drm_file *file_priv);
440void i915_user_irq_get(struct drm_device *dev);
441void i915_user_irq_put(struct drm_device *dev);
442
443extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
444extern void i915_driver_irq_preinstall(struct drm_device * dev);
445extern int i915_driver_irq_postinstall(struct drm_device *dev);
446extern void i915_driver_irq_uninstall(struct drm_device * dev);
447extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
448				struct drm_file *file_priv);
449extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
450				struct drm_file *file_priv);
451extern int i915_enable_vblank(struct drm_device *dev, int crtc);
452extern void i915_disable_vblank(struct drm_device *dev, int crtc);
453extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
454extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
455extern int i915_vblank_swap(struct drm_device *dev, void *data,
456			    struct drm_file *file_priv);
457
458void
459i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
460
461void
462i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
463
464
465/* i915_mem.c */
466extern int i915_mem_alloc(struct drm_device *dev, void *data,
467			  struct drm_file *file_priv);
468extern int i915_mem_free(struct drm_device *dev, void *data,
469			 struct drm_file *file_priv);
470extern int i915_mem_init_heap(struct drm_device *dev, void *data,
471			      struct drm_file *file_priv);
472extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
473				 struct drm_file *file_priv);
474extern void i915_mem_takedown(struct mem_block **heap);
475extern void i915_mem_release(struct drm_device * dev,
476			     struct drm_file *file_priv, struct mem_block *heap);
477#ifdef I915_HAVE_GEM
478/* i915_gem.c */
479int i915_gem_init_ioctl(struct drm_device *dev, void *data,
480			struct drm_file *file_priv);
481int i915_gem_create_ioctl(struct drm_device *dev, void *data,
482			  struct drm_file *file_priv);
483int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
484			 struct drm_file *file_priv);
485int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
486			  struct drm_file *file_priv);
487int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
488			struct drm_file *file_priv);
489int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
490			      struct drm_file *file_priv);
491int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
492			     struct drm_file *file_priv);
493int i915_gem_execbuffer(struct drm_device *dev, void *data,
494			struct drm_file *file_priv);
495int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
496		       struct drm_file *file_priv);
497int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
498			 struct drm_file *file_priv);
499int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
500			struct drm_file *file_priv);
501int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
502			    struct drm_file *file_priv);
503int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
504			   struct drm_file *file_priv);
505int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
506			   struct drm_file *file_priv);
507int i915_gem_set_tiling(struct drm_device *dev, void *data,
508			struct drm_file *file_priv);
509int i915_gem_get_tiling(struct drm_device *dev, void *data,
510			struct drm_file *file_priv);
511void i915_gem_load(struct drm_device *dev);
512int i915_gem_proc_init(struct drm_minor *minor);
513void i915_gem_proc_cleanup(struct drm_minor *minor);
514int i915_gem_init_object(struct drm_gem_object *obj);
515void i915_gem_free_object(struct drm_gem_object *obj);
516int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
517void i915_gem_object_unpin(struct drm_gem_object *obj);
518void i915_gem_lastclose(struct drm_device *dev);
519uint32_t i915_get_gem_seqno(struct drm_device *dev);
520void i915_gem_retire_requests(struct drm_device *dev);
521void i915_gem_retire_work_handler(struct work_struct *work);
522void i915_gem_clflush_object(struct drm_gem_object *obj);
523
524/* i915_gem_tiling.c */
525void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
526
527/* i915_gem_debug.c */
528void i915_gem_dump_object(struct drm_gem_object *obj, int len,
529			  const char *where, uint32_t mark);
530#if WATCH_INACTIVE
531void i915_verify_inactive(struct drm_device *dev, char *file, int line);
532#else
533#define i915_verify_inactive(dev, file, line)
534#endif
535void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
536void i915_gem_dump_object(struct drm_gem_object *obj, int len,
537			  const char *where, uint32_t mark);
538void i915_dump_lru(struct drm_device *dev, const char *where);
539#endif /* I915_HAVE_GEM */
540
541/* i915_suspend.c */
542extern int i915_save_state(struct drm_device *dev);
543extern int i915_restore_state(struct drm_device *dev);
544
545/* i915_opregion.c */
546extern int intel_opregion_init(struct drm_device *dev);
547extern void intel_opregion_free(struct drm_device *dev);
548extern void opregion_asle_intr(struct drm_device *dev);
549extern void opregion_enable_asle(struct drm_device *dev);
550
551/**
552 * Lock test for when it's just for synchronization of ring access.
553 *
554 * In that case, we don't need to do it when GEM is initialized as nobody else
555 * has access to the ring.
556 */
557#define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do {			\
558	if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
559		LOCK_TEST_WITH_RETURN(dev, file_priv);			\
560} while (0)
561
562#if defined(__FreeBSD__)
563typedef boolean_t bool;
564#endif
565
566#define I915_READ(reg)		DRM_READ32(dev_priv->mmio_map, (reg))
567#define I915_WRITE(reg,val)	DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
568#define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
569#define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
570#define I915_READ8(reg)		DRM_READ8(dev_priv->mmio_map, (reg))
571#define I915_WRITE8(reg,val)	DRM_WRITE8(dev_priv->mmio_map, (reg), (val))
572
573#define I915_VERBOSE 0
574
575#define RING_LOCALS	unsigned int outring, ringmask, outcount; \
576                        volatile char *virt;
577
578#define BEGIN_LP_RING(n) do {				\
579	if (I915_VERBOSE)				\
580		DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n));	\
581	if (dev_priv->ring.space < (n)*4)		\
582		i915_wait_ring(dev, (n)*4, __func__);		\
583	outcount = 0;					\
584	outring = dev_priv->ring.tail;			\
585	ringmask = dev_priv->ring.tail_mask;		\
586	virt = dev_priv->ring.virtual_start;		\
587} while (0)
588
589#define OUT_RING(n) do {					\
590	if (I915_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
591	*(volatile unsigned int *)(virt + outring) = (n);	\
592        outcount++;						\
593	outring += 4;						\
594	outring &= ringmask;					\
595} while (0)
596
597#define ADVANCE_LP_RING() do {						\
598	if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
599	dev_priv->ring.tail = outring;					\
600	dev_priv->ring.space -= outcount * 4;				\
601	I915_WRITE(PRB0_TAIL, outring);			\
602} while(0)
603
604/**
605 * Reads a dword out of the status page, which is written to from the command
606 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
607 * MI_STORE_DATA_IMM.
608 *
609 * The following dwords have a reserved meaning:
610 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
611 * 0x04: ring 0 head pointer
612 * 0x05: ring 1 head pointer (915-class)
613 * 0x06: ring 2 head pointer (915-class)
614 * 0x10-0x1b: Context status DWords (GM45)
615 * 0x1f: Last written status offset. (GM45)
616 *
617 * The area from dword 0x20 to 0x3ff is available for driver usage.
618 */
619#define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
620#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
621#define I915_GEM_HWS_INDEX		0x20
622#define I915_BREADCRUMB_INDEX		0x21
623
624extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
625
626#define IS_I830(dev) ((dev)->pci_device == 0x3577)
627#define IS_845G(dev) ((dev)->pci_device == 0x2562)
628#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
629#define IS_I855(dev) ((dev)->pci_device == 0x3582)
630#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
631
632#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
633#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
634#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
635#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
636		        (dev)->pci_device == 0x27AE)
637#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
638		       (dev)->pci_device == 0x2982 || \
639		       (dev)->pci_device == 0x2992 || \
640		       (dev)->pci_device == 0x29A2 || \
641		       (dev)->pci_device == 0x2A02 || \
642		       (dev)->pci_device == 0x2A12 || \
643		       (dev)->pci_device == 0x2A42 || \
644		       (dev)->pci_device == 0x2E02 || \
645		       (dev)->pci_device == 0x2E12 || \
646		       (dev)->pci_device == 0x2E22)
647
648#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
649
650#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
651
652#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
653		     (dev)->pci_device == 0x2E12 || \
654		     (dev)->pci_device == 0x2E22)
655
656#define IS_G33(dev)    ((dev)->pci_device == 0x29C2 ||	\
657			(dev)->pci_device == 0x29B2 ||	\
658			(dev)->pci_device == 0x29D2)
659
660#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
661		      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
662
663#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
664			IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
665
666#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
667
668#define PRIMARY_RINGBUFFER_SIZE         (128*1024)
669
670#endif
671