1 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
5 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
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.
34 #include "intel_bios.h"
35 #include <linux/io-mapping.h>
37 /* General customization:
40 #define DRIVER_AUTHOR "Tungsten Graphics, Inc."
42 #define DRIVER_NAME "i915"
43 #define DRIVER_DESC "Intel Graphics"
44 #define DRIVER_DATE "20080730"
51 #define I915_NUM_PIPE 2
56 * 1.2: Add Power Management
57 * 1.3: Add vblank support
58 * 1.4: Fix cmdbuffer path, add heap destroy
59 * 1.5: Add vblank pipe configuration
60 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
61 * - Support vertical blank on secondary display pipe
63 #define DRIVER_MAJOR 1
64 #define DRIVER_MINOR 6
65 #define DRIVER_PATCHLEVEL 0
67 #define WATCH_COHERENCY 0
72 #define WATCH_INACTIVE 0
73 #define WATCH_PWRITE 0
75 #define I915_GEM_PHYS_CURSOR_0 1
76 #define I915_GEM_PHYS_CURSOR_1 2
77 #define I915_GEM_PHYS_OVERLAY_REGS 3
78 #define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
80 struct drm_i915_gem_phys_object {
82 struct page **page_list;
83 drm_dma_handle_t *handle;
84 struct drm_gem_object *cur_obj;
87 typedef struct _drm_i915_ring_buffer {
95 struct drm_gem_object *ring_obj;
96 } drm_i915_ring_buffer_t;
99 struct mem_block *next;
100 struct mem_block *prev;
103 struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
106 struct opregion_header;
107 struct opregion_acpi;
108 struct opregion_swsci;
109 struct opregion_asle;
111 struct intel_opregion {
112 struct opregion_header *header;
113 struct opregion_acpi *acpi;
114 struct opregion_swsci *swsci;
115 struct opregion_asle *asle;
119 struct drm_i915_master_private {
120 drm_local_map_t *sarea;
121 struct _drm_i915_sarea *sarea_priv;
123 #define I915_FENCE_REG_NONE -1
125 struct drm_i915_fence_reg {
126 struct drm_gem_object *obj;
129 struct sdvo_device_mapping {
136 typedef struct drm_i915_private {
137 struct drm_device *dev;
143 drm_i915_ring_buffer_t ring;
145 drm_dma_handle_t *status_page_dmah;
146 void *hw_status_page;
147 dma_addr_t dma_status_page;
149 unsigned int status_gfx_addr;
150 drm_local_map_t hws_map;
151 struct drm_gem_object *hws_obj;
153 struct resource mch_res;
161 wait_queue_head_t irq_queue;
162 atomic_t irq_received;
163 /** Protects user_irq_refcount and irq_mask_reg */
164 spinlock_t user_irq_lock;
165 /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
166 int user_irq_refcount;
167 /** Cached value of IMR to avoid reads in updating the bitfield */
170 /** splitted irq regs for graphics and display engine on IGDNG,
171 irq_mask_reg is still used for display irq. */
173 u32 gt_irq_enable_reg;
174 u32 de_irq_enable_reg;
176 u32 hotplug_supported_mask;
177 struct work_struct hotplug_work;
179 int tex_lru_log_granularity;
180 int allow_batchbuffer;
181 struct mem_block *agp_heap;
182 unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
185 bool cursor_needs_physical;
191 struct intel_opregion opregion;
194 int backlight_duty_cycle; /* restore backlight to this value */
195 bool panel_wants_dither;
196 struct drm_display_mode *panel_fixed_mode;
197 struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
198 struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
200 /* Feature bits from the VBIOS */
201 unsigned int int_tv_support:1;
202 unsigned int lvds_dither:1;
203 unsigned int lvds_vbt:1;
204 unsigned int int_crt_support:1;
205 unsigned int lvds_use_ssc:1;
208 struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
209 int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
210 int num_fence_regs; /* 8 on pre-965, 16 otherwise */
217 u32 saveRENDERSTANDBY;
241 u32 savePFIT_PGM_RATIOS;
243 u32 saveBLC_PWM_CTL2;
268 u32 savePP_ON_DELAYS;
269 u32 savePP_OFF_DELAYS;
277 u32 savePFIT_CONTROL;
278 u32 save_palette_a[256];
279 u32 save_palette_b[256];
280 u32 saveFBC_CFB_BASE;
283 u32 saveFBC_CONTROL2;
287 u32 saveCACHE_MODE_0;
290 u32 saveMI_ARB_STATE;
301 uint64_t saveFENCE[16];
311 struct drm_mm gtt_space;
313 struct io_mapping *gtt_mapping;
317 * List of objects currently involved in rendering from the
320 * Includes buffers having the contents of their GPU caches
321 * flushed, not necessarily primitives. last_rendering_seqno
322 * represents when the rendering involved will be completed.
324 * A reference is held on the buffer while on this list.
326 spinlock_t active_list_lock;
327 struct list_head active_list;
330 * List of objects which are not in the ringbuffer but which
331 * still have a write_domain which needs to be flushed before
334 * last_rendering_seqno is 0 while an object is in this list.
336 * A reference is held on the buffer while on this list.
338 struct list_head flushing_list;
341 * LRU list of objects which are not in the ringbuffer and
342 * are ready to unbind, but are still in the GTT.
344 * last_rendering_seqno is 0 while an object is in this list.
346 * A reference is not held on the buffer while on this list,
347 * as merely being GTT-bound shouldn't prevent its being
348 * freed, and we'll pull it off the list in the free path.
350 struct list_head inactive_list;
353 * List of breadcrumbs associated with GPU requests currently
356 struct list_head request_list;
359 * We leave the user IRQ off as much as possible,
360 * but this means that requests will finish and never
361 * be retired once the system goes idle. Set a timer to
362 * fire periodically while the ring is running. When it
363 * fires, go retire requests.
365 struct delayed_work retire_work;
367 uint32_t next_gem_seqno;
370 * Waiting sequence number, if any
372 uint32_t waiting_gem_seqno;
375 * Last seq seen at irq time
377 uint32_t irq_gem_seqno;
380 * Flag if the X Server, and thus DRM, is not currently in
381 * control of the device.
383 * This is set between LeaveVT and EnterVT. It needs to be
384 * replaced with a semaphore. It also needs to be
385 * transitioned away from for kernel modesetting.
390 * Flag if the hardware appears to be wedged.
392 * This is set when attempts to idle the device timeout.
393 * It prevents command submission from occuring and makes
394 * every pending request fail
398 /** Bit 6 swizzling required for X tiling */
399 uint32_t bit_6_swizzle_x;
400 /** Bit 6 swizzling required for Y tiling */
401 uint32_t bit_6_swizzle_y;
403 /* storage for physical objects */
404 struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
406 struct sdvo_device_mapping sdvo_mappings[2];
407 } drm_i915_private_t;
409 /** driver private structure attached to each drm_gem_object */
410 struct drm_i915_gem_object {
411 struct drm_gem_object *obj;
413 /** Current space allocated to this object in the GTT, if any. */
414 struct drm_mm_node *gtt_space;
416 /** This object's place on the active/flushing/inactive lists */
417 struct list_head list;
420 * This is set if the object is on the active or flushing lists
421 * (has pending rendering), and is not set if it's on inactive (ready
427 * This is set if the object has been written to since last bound
432 /** AGP memory structure for our GTT binding. */
433 DRM_AGP_MEM *agp_mem;
439 * Current offset of the object in GTT space.
441 * This is the same as gtt_space->start
445 * Required alignment for the object
447 uint32_t gtt_alignment;
449 * Fake offset for use by mmap(2)
451 uint64_t mmap_offset;
454 * Fence register bits (if any) for this object. Will be set
455 * as needed when mapped into the GTT.
456 * Protected by dev->struct_mutex.
460 /** Boolean whether this object has a valid gtt offset. */
463 /** How many users have pinned this object in GTT space */
466 /** Breadcrumb of last rendering to the buffer. */
467 uint32_t last_rendering_seqno;
469 /** Current tiling mode for the object. */
470 uint32_t tiling_mode;
473 /** Record of address bit 17 of each page at last unbind. */
476 /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
480 * If present, while GEM_DOMAIN_CPU is in the read domain this array
481 * flags which individual pages are valid.
483 uint8_t *page_cpu_valid;
485 /** User space pin count and filp owning the pin */
486 uint32_t user_pin_count;
487 struct drm_file *pin_filp;
489 /** for phy allocated objects */
490 struct drm_i915_gem_phys_object *phys_obj;
493 * Used for checking the object doesn't appear more than once
494 * in an execbuffer object list.
500 * Request queue structure.
502 * The request queue allows us to note sequence numbers that have been emitted
503 * and may be associated with active buffers to be retired.
505 * By keeping this list, we can avoid having to do questionable
506 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
507 * an emission time with seqnos for tracking how far ahead of the GPU we are.
509 struct drm_i915_gem_request {
510 /** GEM sequence number associated with this request. */
513 /** Time at which this request was emitted, in jiffies. */
514 unsigned long emitted_jiffies;
516 /** global list entry for this request */
517 struct list_head list;
519 /** file_priv list entry for this request */
520 struct list_head client_list;
523 struct drm_i915_file_private {
525 struct list_head request_list;
529 enum intel_chip_family {
536 extern struct drm_ioctl_desc i915_ioctls[];
537 extern int i915_max_ioctl;
538 extern unsigned int i915_fbpercrtc;
540 extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
541 extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
544 extern void i915_kernel_lost_context(struct drm_device * dev);
545 extern int i915_driver_load(struct drm_device *, unsigned long flags);
546 extern int i915_driver_unload(struct drm_device *);
547 extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
548 extern void i915_driver_lastclose(struct drm_device * dev);
549 extern void i915_driver_preclose(struct drm_device *dev,
550 struct drm_file *file_priv);
551 extern void i915_driver_postclose(struct drm_device *dev,
552 struct drm_file *file_priv);
553 extern int i915_driver_device_is_agp(struct drm_device * dev);
554 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
556 extern int i915_emit_box(struct drm_device *dev,
557 struct drm_clip_rect *boxes,
558 int i, int DR1, int DR4);
561 extern int i915_irq_emit(struct drm_device *dev, void *data,
562 struct drm_file *file_priv);
563 extern int i915_irq_wait(struct drm_device *dev, void *data,
564 struct drm_file *file_priv);
565 void i915_user_irq_get(struct drm_device *dev);
566 void i915_user_irq_put(struct drm_device *dev);
567 extern void i915_enable_interrupt (struct drm_device *dev);
569 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
570 extern void i915_driver_irq_preinstall(struct drm_device * dev);
571 extern int i915_driver_irq_postinstall(struct drm_device *dev);
572 extern void i915_driver_irq_uninstall(struct drm_device * dev);
573 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
574 struct drm_file *file_priv);
575 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
576 struct drm_file *file_priv);
577 extern int i915_enable_vblank(struct drm_device *dev, int crtc);
578 extern void i915_disable_vblank(struct drm_device *dev, int crtc);
579 extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
580 extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
581 extern int i915_vblank_swap(struct drm_device *dev, void *data,
582 struct drm_file *file_priv);
583 extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
586 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
589 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
593 extern int i915_mem_alloc(struct drm_device *dev, void *data,
594 struct drm_file *file_priv);
595 extern int i915_mem_free(struct drm_device *dev, void *data,
596 struct drm_file *file_priv);
597 extern int i915_mem_init_heap(struct drm_device *dev, void *data,
598 struct drm_file *file_priv);
599 extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
600 struct drm_file *file_priv);
601 extern void i915_mem_takedown(struct mem_block **heap);
602 extern void i915_mem_release(struct drm_device * dev,
603 struct drm_file *file_priv, struct mem_block *heap);
605 int i915_gem_init_ioctl(struct drm_device *dev, void *data,
606 struct drm_file *file_priv);
607 int i915_gem_create_ioctl(struct drm_device *dev, void *data,
608 struct drm_file *file_priv);
609 int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
610 struct drm_file *file_priv);
611 int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
612 struct drm_file *file_priv);
613 int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
614 struct drm_file *file_priv);
615 int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
616 struct drm_file *file_priv);
617 int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
618 struct drm_file *file_priv);
619 int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
620 struct drm_file *file_priv);
621 int i915_gem_execbuffer(struct drm_device *dev, void *data,
622 struct drm_file *file_priv);
623 int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
624 struct drm_file *file_priv);
625 int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
626 struct drm_file *file_priv);
627 int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
628 struct drm_file *file_priv);
629 int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
630 struct drm_file *file_priv);
631 int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
632 struct drm_file *file_priv);
633 int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
634 struct drm_file *file_priv);
635 int i915_gem_set_tiling(struct drm_device *dev, void *data,
636 struct drm_file *file_priv);
637 int i915_gem_get_tiling(struct drm_device *dev, void *data,
638 struct drm_file *file_priv);
639 int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
640 struct drm_file *file_priv);
641 void i915_gem_load(struct drm_device *dev);
642 int i915_gem_init_object(struct drm_gem_object *obj);
643 void i915_gem_free_object(struct drm_gem_object *obj);
644 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
645 void i915_gem_object_unpin(struct drm_gem_object *obj);
646 int i915_gem_object_unbind(struct drm_gem_object *obj);
647 void i915_gem_lastclose(struct drm_device *dev);
648 uint32_t i915_get_gem_seqno(struct drm_device *dev);
649 void i915_gem_retire_requests(struct drm_device *dev);
650 void i915_gem_retire_work_handler(struct work_struct *work);
651 void i915_gem_clflush_object(struct drm_gem_object *obj);
652 int i915_gem_object_set_domain(struct drm_gem_object *obj,
653 uint32_t read_domains,
654 uint32_t write_domain);
655 int i915_gem_init_ringbuffer(struct drm_device *dev);
656 void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
657 int i915_gem_do_init(struct drm_device *dev, unsigned long start,
659 int i915_gem_idle(struct drm_device *dev);
660 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
661 int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
663 int i915_gem_attach_phys_object(struct drm_device *dev,
664 struct drm_gem_object *obj, int id);
665 void i915_gem_detach_phys_object(struct drm_device *dev,
666 struct drm_gem_object *obj);
667 void i915_gem_free_all_phys_object(struct drm_device *dev);
668 int i915_gem_object_get_pages(struct drm_gem_object *obj);
669 void i915_gem_object_put_pages(struct drm_gem_object *obj);
670 void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
672 /* i915_gem_tiling.c */
673 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
674 void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
675 void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
677 /* i915_gem_debug.c */
678 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
679 const char *where, uint32_t mark);
681 void i915_verify_inactive(struct drm_device *dev, char *file, int line);
683 #define i915_verify_inactive(dev, file, line)
685 void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
686 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
687 const char *where, uint32_t mark);
688 void i915_dump_lru(struct drm_device *dev, const char *where);
691 int i915_gem_debugfs_init(struct drm_minor *minor);
692 void i915_gem_debugfs_cleanup(struct drm_minor *minor);
695 extern int i915_save_state(struct drm_device *dev);
696 extern int i915_restore_state(struct drm_device *dev);
699 extern int i915_save_state(struct drm_device *dev);
700 extern int i915_restore_state(struct drm_device *dev);
703 /* i915_opregion.c */
704 extern int intel_opregion_init(struct drm_device *dev, int resume);
705 extern void intel_opregion_free(struct drm_device *dev, int suspend);
706 extern void opregion_asle_intr(struct drm_device *dev);
707 extern void opregion_enable_asle(struct drm_device *dev);
709 static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; }
710 static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; }
711 static inline void opregion_asle_intr(struct drm_device *dev) { return; }
712 static inline void opregion_enable_asle(struct drm_device *dev) { return; }
716 extern void intel_modeset_init(struct drm_device *dev);
717 extern void intel_modeset_cleanup(struct drm_device *dev);
720 * Lock test for when it's just for synchronization of ring access.
722 * In that case, we don't need to do it when GEM is initialized as nobody else
723 * has access to the ring.
725 #define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \
726 if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
727 LOCK_TEST_WITH_RETURN(dev, file_priv); \
730 #define I915_READ(reg) readl(dev_priv->regs + (reg))
731 #define I915_WRITE(reg, val) writel(val, dev_priv->regs + (reg))
732 #define I915_READ16(reg) readw(dev_priv->regs + (reg))
733 #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
734 #define I915_READ8(reg) readb(dev_priv->regs + (reg))
735 #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
736 #define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
737 #define I915_READ64(reg) readq(dev_priv->regs + (reg))
738 #define POSTING_READ(reg) (void)I915_READ(reg)
740 #define I915_VERBOSE 0
742 #define RING_LOCALS unsigned int outring, ringmask, outcount; \
745 #define BEGIN_LP_RING(n) do { \
747 DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
748 if (dev_priv->ring.space < (n)*4) \
749 i915_wait_ring(dev, (n)*4, __func__); \
751 outring = dev_priv->ring.tail; \
752 ringmask = dev_priv->ring.tail_mask; \
753 virt = dev_priv->ring.virtual_start; \
756 #define OUT_RING(n) do { \
757 if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
758 *(volatile unsigned int *)(virt + outring) = (n); \
761 outring &= ringmask; \
764 #define ADVANCE_LP_RING() do { \
765 if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \
766 dev_priv->ring.tail = outring; \
767 dev_priv->ring.space -= outcount * 4; \
768 I915_WRITE(PRB0_TAIL, outring); \
772 * Reads a dword out of the status page, which is written to from the command
773 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
776 * The following dwords have a reserved meaning:
777 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
778 * 0x04: ring 0 head pointer
779 * 0x05: ring 1 head pointer (915-class)
780 * 0x06: ring 2 head pointer (915-class)
781 * 0x10-0x1b: Context status DWords (GM45)
782 * 0x1f: Last written status offset. (GM45)
784 * The area from dword 0x20 to 0x3ff is available for driver usage.
786 #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
787 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
788 #define I915_GEM_HWS_INDEX 0x20
789 #define I915_BREADCRUMB_INDEX 0x21
791 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
793 #define IS_I830(dev) ((dev)->pci_device == 0x3577)
794 #define IS_845G(dev) ((dev)->pci_device == 0x2562)
795 #define IS_I85X(dev) ((dev)->pci_device == 0x3582)
796 #define IS_I855(dev) ((dev)->pci_device == 0x3582)
797 #define IS_I865G(dev) ((dev)->pci_device == 0x2572)
799 #define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
800 #define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
801 #define IS_I945G(dev) ((dev)->pci_device == 0x2772)
802 #define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
803 (dev)->pci_device == 0x27AE)
804 #define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
805 (dev)->pci_device == 0x2982 || \
806 (dev)->pci_device == 0x2992 || \
807 (dev)->pci_device == 0x29A2 || \
808 (dev)->pci_device == 0x2A02 || \
809 (dev)->pci_device == 0x2A12 || \
810 (dev)->pci_device == 0x2A42 || \
811 (dev)->pci_device == 0x2E02 || \
812 (dev)->pci_device == 0x2E12 || \
813 (dev)->pci_device == 0x2E22 || \
814 (dev)->pci_device == 0x2E32 || \
815 (dev)->pci_device == 0x0042 || \
816 (dev)->pci_device == 0x0046)
818 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02 || \
819 (dev)->pci_device == 0x2A12)
821 #define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
823 #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
824 (dev)->pci_device == 0x2E12 || \
825 (dev)->pci_device == 0x2E22 || \
826 (dev)->pci_device == 0x2E32 || \
829 #define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
830 #define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
831 #define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
833 #define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
834 (dev)->pci_device == 0x29B2 || \
835 (dev)->pci_device == 0x29D2 || \
838 #define IS_IGDNG_D(dev) ((dev)->pci_device == 0x0042)
839 #define IS_IGDNG_M(dev) ((dev)->pci_device == 0x0046)
840 #define IS_IGDNG(dev) (IS_IGDNG_D(dev) || IS_IGDNG_M(dev))
842 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
843 IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev) || \
846 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
847 IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
848 IS_IGD(dev) || IS_IGDNG_M(dev))
850 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev) || \
852 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
853 * rows, which changed the alignment requirements and fence programming.
855 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
857 #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_IGDNG(dev))
858 #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_I965G(dev))
860 #define PRIMARY_RINGBUFFER_SIZE (128*1024)