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
35/* General customization:
36 */
37
38#define DRIVER_AUTHOR		"Tungsten Graphics, Inc."
39
40#define DRIVER_NAME		"i915"
41#define DRIVER_DESC		"Intel Graphics"
42#define DRIVER_DATE		"20080730"
43
44enum pipex {
45	PIPE_A = 0,
46	PIPE_B,
47};
48
49#define I915_NUM_PIPE	2
50
51/* Interface history:
52 *
53 * 1.1: Original.
54 * 1.2: Add Power Management
55 * 1.3: Add vblank support
56 * 1.4: Fix cmdbuffer path, add heap destroy
57 * 1.5: Add vblank pipe configuration
58 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
59 *      - Support vertical blank on secondary display pipe
60 */
61#define DRIVER_MAJOR		1
62#define DRIVER_MINOR		6
63#define DRIVER_PATCHLEVEL	0
64
65#define WATCH_COHERENCY	0
66#define WATCH_BUF	0
67#define WATCH_EXEC	0
68#define WATCH_LRU	0
69#define WATCH_RELOC	0
70#define WATCH_INACTIVE	0
71#define WATCH_PWRITE	0
72
73typedef struct _drm_i915_ring_buffer {
74	int tail_mask;
75	unsigned long Size;
76	u8 *virtual_start;
77	int head;
78	int tail;
79	int space;
80	drm_local_map_t map;
81	struct drm_gem_object *ring_obj;
82} drm_i915_ring_buffer_t;
83
84struct mem_block {
85	struct mem_block *next;
86	struct mem_block *prev;
87	int start;
88	int size;
89	struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
90};
91
92struct opregion_header;
93struct opregion_acpi;
94struct opregion_swsci;
95struct opregion_asle;
96
97struct intel_opregion {
98	struct opregion_header *header;
99	struct opregion_acpi *acpi;
100	struct opregion_swsci *swsci;
101	struct opregion_asle *asle;
102	int enabled;
103};
104
105typedef struct drm_i915_private {
106	struct drm_device *dev;
107
108	drm_local_map_t *sarea;
109	drm_local_map_t *mmio_map;
110
111	drm_i915_sarea_t *sarea_priv;
112	drm_i915_ring_buffer_t ring;
113
114	drm_dma_handle_t *status_page_dmah;
115	void *hw_status_page;
116	dma_addr_t dma_status_page;
117	uint32_t counter;
118	unsigned int status_gfx_addr;
119	drm_local_map_t hws_map;
120	struct drm_gem_object *hws_obj;
121
122	unsigned int cpp;
123	int back_offset;
124	int front_offset;
125	int current_page;
126	int page_flipping;
127
128	wait_queue_head_t irq_queue;
129	atomic_t irq_received;
130	/** Protects user_irq_refcount and irq_mask_reg */
131	DRM_SPINTYPE user_irq_lock;
132	/** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
133	int user_irq_refcount;
134	/** Cached value of IER to avoid reads in updating the bitfield */
135	u32 irq_mask_reg;
136	u32 pipestat[2];
137
138	int tex_lru_log_granularity;
139	int allow_batchbuffer;
140	struct mem_block *agp_heap;
141	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
142	int vblank_pipe;
143
144	struct intel_opregion opregion;
145
146	/* Register state */
147	u8 saveLBB;
148	u32 saveDSPACNTR;
149	u32 saveDSPBCNTR;
150	u32 saveDSPARB;
151	u32 savePIPEACONF;
152	u32 savePIPEBCONF;
153	u32 savePIPEASRC;
154	u32 savePIPEBSRC;
155	u32 saveFPA0;
156	u32 saveFPA1;
157	u32 saveDPLL_A;
158	u32 saveDPLL_A_MD;
159	u32 saveHTOTAL_A;
160	u32 saveHBLANK_A;
161	u32 saveHSYNC_A;
162	u32 saveVTOTAL_A;
163	u32 saveVBLANK_A;
164	u32 saveVSYNC_A;
165	u32 saveBCLRPAT_A;
166	u32 savePIPEASTAT;
167	u32 saveDSPASTRIDE;
168	u32 saveDSPASIZE;
169	u32 saveDSPAPOS;
170	u32 saveDSPAADDR;
171	u32 saveDSPASURF;
172	u32 saveDSPATILEOFF;
173	u32 savePFIT_PGM_RATIOS;
174	u32 saveBLC_PWM_CTL;
175	u32 saveBLC_PWM_CTL2;
176	u32 saveFPB0;
177	u32 saveFPB1;
178	u32 saveDPLL_B;
179	u32 saveDPLL_B_MD;
180	u32 saveHTOTAL_B;
181	u32 saveHBLANK_B;
182	u32 saveHSYNC_B;
183	u32 saveVTOTAL_B;
184	u32 saveVBLANK_B;
185	u32 saveVSYNC_B;
186	u32 saveBCLRPAT_B;
187	u32 savePIPEBSTAT;
188	u32 saveDSPBSTRIDE;
189	u32 saveDSPBSIZE;
190	u32 saveDSPBPOS;
191	u32 saveDSPBADDR;
192	u32 saveDSPBSURF;
193	u32 saveDSPBTILEOFF;
194	u32 saveVGA0;
195	u32 saveVGA1;
196	u32 saveVGA_PD;
197	u32 saveVGACNTRL;
198	u32 saveADPA;
199	u32 saveLVDS;
200	u32 savePP_ON_DELAYS;
201	u32 savePP_OFF_DELAYS;
202	u32 saveDVOA;
203	u32 saveDVOB;
204	u32 saveDVOC;
205	u32 savePP_ON;
206	u32 savePP_OFF;
207	u32 savePP_CONTROL;
208	u32 savePP_DIVISOR;
209	u32 savePFIT_CONTROL;
210	u32 save_palette_a[256];
211	u32 save_palette_b[256];
212	u32 saveFBC_CFB_BASE;
213	u32 saveFBC_LL_BASE;
214	u32 saveFBC_CONTROL;
215	u32 saveFBC_CONTROL2;
216	u32 saveIER;
217	u32 saveIIR;
218	u32 saveIMR;
219	u32 saveCACHE_MODE_0;
220	u32 saveD_STATE;
221	u32 saveCG_2D_DIS;
222	u32 saveMI_ARB_STATE;
223	u32 saveSWF0[16];
224	u32 saveSWF1[16];
225	u32 saveSWF2[3];
226	u8 saveMSR;
227	u8 saveSR[8];
228	u8 saveGR[25];
229	u8 saveAR_INDEX;
230	u8 saveAR[21];
231	u8 saveDACMASK;
232	u8 saveDACDATA[256*3]; /* 256 3-byte colors */
233	u8 saveCR[37];
234	struct {
235		/**
236		 * List of objects currently involved in rendering from the
237		 * ringbuffer.
238		 *
239		 * A reference is held on the buffer while on this list.
240		 */
241		struct list_head active_list;
242
243		/**
244		 * List of objects which are not in the ringbuffer but which
245		 * still have a write_domain which needs to be flushed before
246		 * unbinding.
247		 *
248		 * A reference is held on the buffer while on this list.
249		 */
250		struct list_head flushing_list;
251
252		/**
253		 * LRU list of objects which are not in the ringbuffer and
254		 * are ready to unbind, but are still in the GTT.
255		 *
256		 * A reference is not held on the buffer while on this list,
257		 * as merely being GTT-bound shouldn't prevent its being
258		 * freed, and we'll pull it off the list in the free path.
259		 */
260		struct list_head inactive_list;
261
262		/**
263		 * List of breadcrumbs associated with GPU requests currently
264		 * outstanding.
265		 */
266		struct list_head request_list;
267		uint32_t next_gem_seqno;
268
269		/**
270		 * Waiting sequence number, if any
271		 */
272		uint32_t waiting_gem_seqno;
273
274		/**
275		 * Last seq seen at irq time
276		 */
277		uint32_t irq_gem_seqno;
278
279		/**
280		 * Flag if the X Server, and thus DRM, is not currently in
281		 * control of the device.
282		 *
283		 * This is set between LeaveVT and EnterVT.  It needs to be
284		 * replaced with a semaphore.  It also needs to be
285		 * transitioned away from for kernel modesetting.
286		 */
287		int suspended;
288
289		/**
290		 * Flag if the hardware appears to be wedged.
291		 *
292		 * This is set when attempts to idle the device timeout.
293		 * It prevents command submission from occuring and makes
294		 * every pending request fail
295		 */
296		int wedged;
297
298		/** Bit 6 swizzling required for X tiling */
299		uint32_t bit_6_swizzle_x;
300		/** Bit 6 swizzling required for Y tiling */
301		uint32_t bit_6_swizzle_y;
302	} mm;
303} drm_i915_private_t;
304
305enum intel_chip_family {
306	CHIP_I8XX = 0x01,
307	CHIP_I9XX = 0x02,
308	CHIP_I915 = 0x04,
309	CHIP_I965 = 0x08,
310};
311
312/** driver private structure attached to each drm_gem_object */
313struct drm_i915_gem_object {
314	struct drm_gem_object *obj;
315
316	/** Current space allocated to this object in the GTT, if any. */
317	struct drm_mm_node *gtt_space;
318
319	/** This object's place on the active/flushing/inactive lists */
320	struct list_head list;
321
322	/**
323	 * This is set if the object is on the active or flushing lists
324	 * (has pending rendering), and is not set if it's on inactive (ready
325	 * to be unbound).
326	 */
327	int active;
328
329	/**
330	 * This is set if the object has been written to since last bound
331	 * to the GTT
332	 */
333	int dirty;
334
335	/** AGP memory structure for our GTT binding. */
336	DRM_AGP_MEM *agp_mem;
337
338	struct page **page_list;
339
340	/**
341	 * Current offset of the object in GTT space.
342	 *
343	 * This is the same as gtt_space->start
344	 */
345	uint32_t gtt_offset;
346
347	/** Boolean whether this object has a valid gtt offset. */
348	int gtt_bound;
349
350	/** How many users have pinned this object in GTT space */
351	int pin_count;
352
353	/** Breadcrumb of last rendering to the buffer. */
354	uint32_t last_rendering_seqno;
355
356	/** Current tiling mode for the object. */
357	uint32_t tiling_mode;
358
359	/** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
360	uint32_t agp_type;
361
362	/**
363	 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
364	 * GEM_DOMAIN_CPU is not in the object's read domain.
365	 */
366	uint8_t *page_cpu_valid;
367};
368
369/**
370 * Request queue structure.
371 *
372 * The request queue allows us to note sequence numbers that have been emitted
373 * and may be associated with active buffers to be retired.
374 *
375 * By keeping this list, we can avoid having to do questionable
376 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
377 * an emission time with seqnos for tracking how far ahead of the GPU we are.
378 */
379struct drm_i915_gem_request {
380	/** GEM sequence number associated with this request. */
381	uint32_t seqno;
382
383	/** Time at which this request was emitted, in jiffies. */
384	unsigned long emitted_jiffies;
385
386	/** Cache domains that were flushed at the start of the request. */
387	uint32_t flush_domains;
388
389	struct list_head list;
390};
391
392struct drm_i915_file_private {
393	struct {
394		uint32_t last_gem_seqno;
395		uint32_t last_gem_throttle_seqno;
396	} mm;
397};
398
399extern struct drm_ioctl_desc i915_ioctls[];
400extern int i915_max_ioctl;
401
402				/* i915_dma.c */
403extern void i915_kernel_lost_context(struct drm_device * dev);
404extern int i915_driver_load(struct drm_device *, unsigned long flags);
405extern int i915_driver_unload(struct drm_device *);
406extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
407extern void i915_driver_lastclose(struct drm_device * dev);
408extern void i915_driver_preclose(struct drm_device *dev,
409				 struct drm_file *file_priv);
410extern void i915_driver_postclose(struct drm_device *dev,
411				  struct drm_file *file_priv);
412extern int i915_driver_device_is_agp(struct drm_device * dev);
413extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
414			      unsigned long arg);
415extern int i915_emit_box(struct drm_device *dev,
416			 struct drm_clip_rect __user *boxes,
417			 int i, int DR1, int DR4);
418
419/* i915_irq.c */
420extern int i915_irq_emit(struct drm_device *dev, void *data,
421			 struct drm_file *file_priv);
422extern int i915_irq_wait(struct drm_device *dev, void *data,
423			 struct drm_file *file_priv);
424void i915_user_irq_get(struct drm_device *dev);
425void i915_user_irq_put(struct drm_device *dev);
426
427extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
428extern void i915_driver_irq_preinstall(struct drm_device * dev);
429extern int i915_driver_irq_postinstall(struct drm_device *dev);
430extern void i915_driver_irq_uninstall(struct drm_device * dev);
431extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
432				struct drm_file *file_priv);
433extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
434				struct drm_file *file_priv);
435extern int i915_enable_vblank(struct drm_device *dev, unsigned int crtc);
436extern void i915_disable_vblank(struct drm_device *dev, unsigned int crtc);
437extern u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int crtc);
438extern u32 gm45_get_vblank_counter(struct drm_device *dev, unsigned int crtc);
439extern int i915_vblank_swap(struct drm_device *dev, void *data,
440			    struct drm_file *file_priv);
441
442void
443i915_enable_pipestat(drm_i915_private_t *dev_priv, unsigned int pipe, u32 mask);
444
445void
446i915_disable_pipestat(drm_i915_private_t *dev_priv, unsigned int pipe, u32 mask);
447
448
449/* i915_mem.c */
450extern int i915_mem_alloc(struct drm_device *dev, void *data,
451			  struct drm_file *file_priv);
452extern int i915_mem_free(struct drm_device *dev, void *data,
453			 struct drm_file *file_priv);
454extern int i915_mem_init_heap(struct drm_device *dev, void *data,
455			      struct drm_file *file_priv);
456extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
457				 struct drm_file *file_priv);
458extern void i915_mem_takedown(struct mem_block **heap);
459extern void i915_mem_release(struct drm_device * dev,
460			     struct drm_file *file_priv, struct mem_block *heap);
461#ifdef I915_HAVE_GEM
462/* i915_gem.c */
463int i915_gem_init_ioctl(struct drm_device *dev, void *data,
464			struct drm_file *file_priv);
465int i915_gem_create_ioctl(struct drm_device *dev, void *data,
466			  struct drm_file *file_priv);
467int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
468			 struct drm_file *file_priv);
469int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
470			  struct drm_file *file_priv);
471int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
472			struct drm_file *file_priv);
473int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
474			      struct drm_file *file_priv);
475int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
476			     struct drm_file *file_priv);
477int i915_gem_execbuffer(struct drm_device *dev, void *data,
478			struct drm_file *file_priv);
479int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
480		       struct drm_file *file_priv);
481int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
482			 struct drm_file *file_priv);
483int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
484			struct drm_file *file_priv);
485int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
486			    struct drm_file *file_priv);
487int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
488			   struct drm_file *file_priv);
489int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
490			   struct drm_file *file_priv);
491int i915_gem_set_tiling(struct drm_device *dev, void *data,
492			struct drm_file *file_priv);
493int i915_gem_get_tiling(struct drm_device *dev, void *data,
494			struct drm_file *file_priv);
495void i915_gem_load(struct drm_device *dev);
496int i915_gem_proc_init(struct drm_minor *minor);
497void i915_gem_proc_cleanup(struct drm_minor *minor);
498int i915_gem_init_object(struct drm_gem_object *obj);
499void i915_gem_free_object(struct drm_gem_object *obj);
500int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
501void i915_gem_object_unpin(struct drm_gem_object *obj);
502void i915_gem_lastclose(struct drm_device *dev);
503uint32_t i915_get_gem_seqno(struct drm_device *dev);
504void i915_gem_retire_requests(struct drm_device *dev);
505void i915_gem_retire_work_handler(struct work_struct *work);
506void i915_gem_clflush_object(struct drm_gem_object *obj);
507
508/* i915_gem_tiling.c */
509void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
510
511/* i915_gem_debug.c */
512void i915_gem_dump_object(struct drm_gem_object *obj, int len,
513			  const char *where, uint32_t mark);
514#if WATCH_INACTIVE
515void i915_verify_inactive(struct drm_device *dev, char *file, int line);
516#else
517#define i915_verify_inactive(dev, file, line)
518#endif
519void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
520void i915_gem_dump_object(struct drm_gem_object *obj, int len,
521			  const char *where, uint32_t mark);
522void i915_dump_lru(struct drm_device *dev, const char *where);
523#endif /* I915_HAVE_GEM */
524
525/* i915_suspend.c */
526extern int i915_save_state(struct drm_device *dev);
527extern int i915_restore_state(struct drm_device *dev);
528
529/* i915_opregion.c */
530extern int intel_opregion_init(struct drm_device *dev);
531extern void intel_opregion_free(struct drm_device *dev);
532extern void opregion_asle_intr(struct drm_device *dev);
533extern void opregion_enable_asle(struct drm_device *dev);
534
535/**
536 * Lock test for when it's just for synchronization of ring access.
537 *
538 * In that case, we don't need to do it when GEM is initialized as nobody else
539 * has access to the ring.
540 */
541#define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do {			\
542	if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
543		LOCK_TEST_WITH_RETURN(dev, file_priv);			\
544} while (0)
545
546#define I915_READ(reg)		DRM_READ32(dev_priv->mmio_map, (reg))
547#define I915_WRITE(reg,val)	DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
548#define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
549#define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
550#define I915_READ8(reg)		DRM_READ8(dev_priv->mmio_map, (reg))
551#define I915_WRITE8(reg,val)	DRM_WRITE8(dev_priv->mmio_map, (reg), (val))
552
553#define I915_VERBOSE 0
554
555#define RING_LOCALS	unsigned int outring, ringmask, outcount; \
556                        volatile char *virt;
557
558#define BEGIN_LP_RING(n) do {				\
559	if (I915_VERBOSE)				\
560		DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n));	\
561	if (dev_priv->ring.space < (n)*4)		\
562		i915_wait_ring(dev, (n)*4, __func__);		\
563	outcount = 0;					\
564	outring = dev_priv->ring.tail;			\
565	ringmask = dev_priv->ring.tail_mask;		\
566	virt = dev_priv->ring.virtual_start;		\
567} while (0)
568
569#define OUT_RING(n) do {					\
570	if (I915_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
571	*(volatile unsigned int *)(virt + outring) = (n);	\
572        outcount++;						\
573	outring += 4;						\
574	outring &= ringmask;					\
575} while (0)
576
577#define ADVANCE_LP_RING() do {						\
578	if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
579	dev_priv->ring.tail = outring;					\
580	dev_priv->ring.space -= outcount * 4;				\
581	I915_WRITE(PRB0_TAIL, outring);			\
582} while(0)
583
584/**
585 * Reads a dword out of the status page, which is written to from the command
586 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
587 * MI_STORE_DATA_IMM.
588 *
589 * The following dwords have a reserved meaning:
590 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
591 * 0x04: ring 0 head pointer
592 * 0x05: ring 1 head pointer (915-class)
593 * 0x06: ring 2 head pointer (915-class)
594 * 0x10-0x1b: Context status DWords (GM45)
595 * 0x1f: Last written status offset. (GM45)
596 *
597 * The area from dword 0x20 to 0x3ff is available for driver usage.
598 */
599#define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
600#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
601#define I915_GEM_HWS_INDEX		0x20
602#define I915_BREADCRUMB_INDEX		0x21
603
604extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
605
606#define IS_I830(dev) ((dev)->pci_device == 0x3577)
607#define IS_845G(dev) ((dev)->pci_device == 0x2562)
608#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
609#define IS_I855(dev) ((dev)->pci_device == 0x3582)
610#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
611
612#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
613#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
614#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
615#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
616		        (dev)->pci_device == 0x27AE)
617#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
618		       (dev)->pci_device == 0x2982 || \
619		       (dev)->pci_device == 0x2992 || \
620		       (dev)->pci_device == 0x29A2 || \
621		       (dev)->pci_device == 0x2A02 || \
622		       (dev)->pci_device == 0x2A12 || \
623		       (dev)->pci_device == 0x2A42 || \
624		       (dev)->pci_device == 0x2E02 || \
625		       (dev)->pci_device == 0x2E12 || \
626		       (dev)->pci_device == 0x2E22)
627
628#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
629
630#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
631
632#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
633		     (dev)->pci_device == 0x2E12 || \
634		     (dev)->pci_device == 0x2E22)
635
636#define IS_IGDG(dev) ((dev)->pci_device == 0xA001)
637#define IS_IGDGM(dev) ((dev)->pci_device == 0xA011)
638#define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
639
640#define IS_G33(dev)    ((dev)->pci_device == 0x29C2 ||	\
641			(dev)->pci_device == 0x29B2 ||	\
642			(dev)->pci_device == 0x29D2 ||	\
643			IS_IGD(dev))
644
645#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
646		      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
647
648#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
649			IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
650			IS_IGD(dev))
651
652#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
653
654#define PRIMARY_RINGBUFFER_SIZE         (128*1024)
655
656#endif
657