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 "intel_ringbuffer.h"
36 #include <linux/io-mapping.h>
37 #include <linux/i2c.h>
38 #include <drm/intel-gtt.h>
40 /* General customization:
43 #define DRIVER_AUTHOR "Tungsten Graphics, Inc."
45 #define DRIVER_NAME "i915"
46 #define DRIVER_DESC "Intel Graphics"
47 #define DRIVER_DATE "20080730"
59 #define I915_NUM_PIPE 2
61 #define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
66 * 1.2: Add Power Management
67 * 1.3: Add vblank support
68 * 1.4: Fix cmdbuffer path, add heap destroy
69 * 1.5: Add vblank pipe configuration
70 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
71 * - Support vertical blank on secondary display pipe
73 #define DRIVER_MAJOR 1
74 #define DRIVER_MINOR 6
75 #define DRIVER_PATCHLEVEL 0
77 #define WATCH_COHERENCY 0
81 #define WATCH_PWRITE 0
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)
88 struct drm_i915_gem_phys_object
{
90 struct page
**page_list
;
91 drm_dma_handle_t
*handle
;
92 struct drm_gem_object
*cur_obj
;
96 struct mem_block
*next
;
97 struct mem_block
*prev
;
100 struct drm_file
*file_priv
; /* NULL: free, -1: heap, other: real files */
103 struct opregion_header
;
104 struct opregion_acpi
;
105 struct opregion_swsci
;
106 struct opregion_asle
;
108 struct intel_opregion
{
109 struct opregion_header
*header
;
110 struct opregion_acpi
*acpi
;
111 struct opregion_swsci
*swsci
;
112 struct opregion_asle
*asle
;
115 #define OPREGION_SIZE (8*1024)
117 struct intel_overlay
;
118 struct intel_overlay_error_state
;
120 struct drm_i915_master_private
{
121 drm_local_map_t
*sarea
;
122 struct _drm_i915_sarea
*sarea_priv
;
124 #define I915_FENCE_REG_NONE -1
126 struct drm_i915_fence_reg
{
127 struct drm_gem_object
*obj
;
128 struct list_head lru_list
;
132 struct sdvo_device_mapping
{
142 struct drm_i915_error_state
{
157 struct drm_i915_error_object
{
161 } *ringbuffer
, *batchbuffer
[2];
162 struct drm_i915_error_buffer
{
176 struct intel_overlay_error_state
*overlay
;
179 struct drm_i915_display_funcs
{
180 void (*dpms
)(struct drm_crtc
*crtc
, int mode
);
181 bool (*fbc_enabled
)(struct drm_device
*dev
);
182 void (*enable_fbc
)(struct drm_crtc
*crtc
, unsigned long interval
);
183 void (*disable_fbc
)(struct drm_device
*dev
);
184 int (*get_display_clock_speed
)(struct drm_device
*dev
);
185 int (*get_fifo_size
)(struct drm_device
*dev
, int plane
);
186 void (*update_wm
)(struct drm_device
*dev
, int planea_clock
,
187 int planeb_clock
, int sr_hdisplay
, int sr_htotal
,
189 /* clock updates for mode set */
191 /* render clock increase/decrease */
192 /* display clock increase/decrease */
193 /* pll clock increase/decrease */
194 /* clock gating init */
197 struct intel_device_info
{
207 u8 is_broadwater
: 1;
211 u8 has_pipe_cxsr
: 1;
213 u8 cursor_needs_physical
: 1;
215 u8 overlay_needs_physical
: 1;
222 FBC_NO_OUTPUT
, /* no outputs enabled to compress */
223 FBC_STOLEN_TOO_SMALL
, /* not enough space to hold compressed buffers */
224 FBC_UNSUPPORTED_MODE
, /* interlace or doublescanned mode */
225 FBC_MODE_TOO_LARGE
, /* mode too large for compression */
226 FBC_BAD_PLANE
, /* fbc not supported on plane */
227 FBC_NOT_TILED
, /* buffer not tiled */
228 FBC_MULTIPLE_PIPES
, /* more than one pipe active */
232 PCH_IBX
, /* Ibexpeak PCH */
233 PCH_CPT
, /* Cougarpoint PCH */
236 #define QUIRK_PIPEA_FORCE (1<<0)
240 typedef struct drm_i915_private
{
241 struct drm_device
*dev
;
243 const struct intel_device_info
*info
;
250 struct i2c_adapter adapter
;
251 struct i2c_adapter
*force_bit
;
255 struct pci_dev
*bridge_dev
;
256 struct intel_ring_buffer render_ring
;
257 struct intel_ring_buffer bsd_ring
;
258 struct intel_ring_buffer blt_ring
;
261 drm_dma_handle_t
*status_page_dmah
;
263 dma_addr_t dma_status_page
;
265 unsigned int seqno_gfx_addr
;
266 drm_local_map_t hws_map
;
267 struct drm_gem_object
*seqno_obj
;
268 struct drm_gem_object
*pwrctx
;
269 struct drm_gem_object
*renderctx
;
271 struct resource mch_res
;
278 #define I915_DEBUG_READ (1<<0)
279 #define I915_DEBUG_WRITE (1<<1)
280 unsigned long debug_flags
;
282 wait_queue_head_t irq_queue
;
283 atomic_t irq_received
;
284 /** Protects user_irq_refcount and irq_mask_reg */
285 spinlock_t user_irq_lock
;
287 /** Cached value of IMR to avoid reads in updating the bitfield */
290 /** splitted irq regs for graphics and display engine on Ironlake,
291 irq_mask_reg is still used for display irq. */
293 u32 gt_irq_enable_reg
;
294 u32 de_irq_enable_reg
;
295 u32 pch_irq_mask_reg
;
296 u32 pch_irq_enable_reg
;
298 u32 hotplug_supported_mask
;
299 struct work_struct hotplug_work
;
301 int tex_lru_log_granularity
;
302 int allow_batchbuffer
;
303 struct mem_block
*agp_heap
;
304 unsigned int sr01
, adpa
, ppcr
, dvob
, dvoc
, lvds
;
308 /* For hangcheck timer */
309 #define DRM_I915_HANGCHECK_PERIOD 250 /* in ms */
310 struct timer_list hangcheck_timer
;
313 uint32_t last_instdone
;
314 uint32_t last_instdone1
;
316 unsigned long cfb_size
;
317 unsigned long cfb_pitch
;
318 unsigned long cfb_offset
;
325 struct intel_opregion opregion
;
328 struct intel_overlay
*overlay
;
331 int backlight_level
; /* restore backlight to this value */
332 struct drm_display_mode
*panel_fixed_mode
;
333 struct drm_display_mode
*lfp_lvds_vbt_mode
; /* if any */
334 struct drm_display_mode
*sdvo_lvds_vbt_mode
; /* if any */
336 /* Feature bits from the VBIOS */
337 unsigned int int_tv_support
:1;
338 unsigned int lvds_dither
:1;
339 unsigned int lvds_vbt
:1;
340 unsigned int int_crt_support
:1;
341 unsigned int lvds_use_ssc
:1;
352 struct edp_power_seq pps
;
354 bool no_aux_handshake
;
356 struct notifier_block lid_notifier
;
359 struct drm_i915_fence_reg fence_regs
[16]; /* assume 965 */
360 int fence_reg_start
; /* 4 if userland hasn't ioctl'd us yet */
361 int num_fence_regs
; /* 8 on pre-965, 16 otherwise */
363 unsigned int fsb_freq
, mem_freq
, is_ddr3
;
365 spinlock_t error_lock
;
366 struct drm_i915_error_state
*first_error
;
367 struct work_struct error_work
;
368 struct completion error_completion
;
369 struct workqueue_struct
*wq
;
371 /* Display functions */
372 struct drm_i915_display_funcs display
;
374 /* PCH chipset type */
375 enum intel_pch pch_type
;
377 unsigned long quirks
;
402 u32 saveTRANS_HTOTAL_A
;
403 u32 saveTRANS_HBLANK_A
;
404 u32 saveTRANS_HSYNC_A
;
405 u32 saveTRANS_VTOTAL_A
;
406 u32 saveTRANS_VBLANK_A
;
407 u32 saveTRANS_VSYNC_A
;
415 u32 savePFIT_PGM_RATIOS
;
416 u32 saveBLC_HIST_CTL
;
418 u32 saveBLC_PWM_CTL2
;
419 u32 saveBLC_CPU_PWM_CTL
;
420 u32 saveBLC_CPU_PWM_CTL2
;
433 u32 saveTRANS_HTOTAL_B
;
434 u32 saveTRANS_HBLANK_B
;
435 u32 saveTRANS_HSYNC_B
;
436 u32 saveTRANS_VTOTAL_B
;
437 u32 saveTRANS_VBLANK_B
;
438 u32 saveTRANS_VSYNC_B
;
452 u32 savePP_ON_DELAYS
;
453 u32 savePP_OFF_DELAYS
;
461 u32 savePFIT_CONTROL
;
462 u32 save_palette_a
[256];
463 u32 save_palette_b
[256];
464 u32 saveDPFC_CB_BASE
;
465 u32 saveFBC_CFB_BASE
;
468 u32 saveFBC_CONTROL2
;
478 u32 saveCACHE_MODE_0
;
479 u32 saveMI_ARB_STATE
;
490 uint64_t saveFENCE
[16];
501 u32 savePIPEA_GMCH_DATA_M
;
502 u32 savePIPEB_GMCH_DATA_M
;
503 u32 savePIPEA_GMCH_DATA_N
;
504 u32 savePIPEB_GMCH_DATA_N
;
505 u32 savePIPEA_DP_LINK_M
;
506 u32 savePIPEB_DP_LINK_M
;
507 u32 savePIPEA_DP_LINK_N
;
508 u32 savePIPEB_DP_LINK_N
;
519 u32 savePCH_DREF_CONTROL
;
520 u32 saveDISP_ARB_CTL
;
521 u32 savePIPEA_DATA_M1
;
522 u32 savePIPEA_DATA_N1
;
523 u32 savePIPEA_LINK_M1
;
524 u32 savePIPEA_LINK_N1
;
525 u32 savePIPEB_DATA_M1
;
526 u32 savePIPEB_DATA_N1
;
527 u32 savePIPEB_LINK_M1
;
528 u32 savePIPEB_LINK_N1
;
529 u32 saveMCHBAR_RENDER_STANDBY
;
532 /** Bridge to intel-gtt-ko */
533 struct intel_gtt
*gtt
;
534 /** Memory allocator for GTT stolen memory */
536 /** Memory allocator for GTT */
537 struct drm_mm gtt_space
;
538 /** End of mappable part of GTT */
539 unsigned long gtt_mappable_end
;
541 struct io_mapping
*gtt_mapping
;
545 * Membership on list of all loaded devices, used to evict
546 * inactive buffers under memory pressure.
548 * Modifications should only be done whilst holding the
549 * shrink_list_lock spinlock.
551 struct list_head shrink_list
;
554 * List of objects currently involved in rendering.
556 * Includes buffers having the contents of their GPU caches
557 * flushed, not necessarily primitives. last_rendering_seqno
558 * represents when the rendering involved will be completed.
560 * A reference is held on the buffer while on this list.
562 struct list_head active_list
;
565 * List of objects which are not in the ringbuffer but which
566 * still have a write_domain which needs to be flushed before
569 * last_rendering_seqno is 0 while an object is in this list.
571 * A reference is held on the buffer while on this list.
573 struct list_head flushing_list
;
576 * LRU list of objects which are not in the ringbuffer and
577 * are ready to unbind, but are still in the GTT.
579 * last_rendering_seqno is 0 while an object is in this list.
581 * A reference is not held on the buffer while on this list,
582 * as merely being GTT-bound shouldn't prevent its being
583 * freed, and we'll pull it off the list in the free path.
585 struct list_head inactive_list
;
588 * LRU list of objects which are not in the ringbuffer but
589 * are still pinned in the GTT.
591 struct list_head pinned_list
;
593 /** LRU list of objects with fence regs on them. */
594 struct list_head fence_list
;
597 * List of objects currently pending being freed.
599 * These objects are no longer in use, but due to a signal
600 * we were prevented from freeing them at the appointed time.
602 struct list_head deferred_free_list
;
605 * We leave the user IRQ off as much as possible,
606 * but this means that requests will finish and never
607 * be retired once the system goes idle. Set a timer to
608 * fire periodically while the ring is running. When it
609 * fires, go retire requests.
611 struct delayed_work retire_work
;
614 * Flag if the X Server, and thus DRM, is not currently in
615 * control of the device.
617 * This is set between LeaveVT and EnterVT. It needs to be
618 * replaced with a semaphore. It also needs to be
619 * transitioned away from for kernel modesetting.
624 * Flag if the hardware appears to be wedged.
626 * This is set when attempts to idle the device timeout.
627 * It prevents command submission from occuring and makes
628 * every pending request fail
632 /** Bit 6 swizzling required for X tiling */
633 uint32_t bit_6_swizzle_x
;
634 /** Bit 6 swizzling required for Y tiling */
635 uint32_t bit_6_swizzle_y
;
637 /* storage for physical objects */
638 struct drm_i915_gem_phys_object
*phys_objs
[I915_MAX_PHYS_OBJECT
];
640 uint32_t flush_rings
;
642 /* accounting, useful for userland debugging */
643 size_t object_memory
;
651 struct sdvo_device_mapping sdvo_mappings
[2];
652 /* indicate whether the LVDS_BORDER should be enabled or not */
653 unsigned int lvds_border_bits
;
654 /* Panel fitter placement and size for Ironlake+ */
655 u32 pch_pf_pos
, pch_pf_size
;
657 struct drm_crtc
*plane_to_crtc_mapping
[2];
658 struct drm_crtc
*pipe_to_crtc_mapping
[2];
659 wait_queue_head_t pending_flip_queue
;
660 bool flip_pending_is_done
;
662 /* Reclocking support */
663 bool render_reclock_avail
;
664 bool lvds_downclock_avail
;
665 /* indicates the reduced downclock for LVDS*/
667 struct work_struct idle_work
;
668 struct timer_list idle_timer
;
672 struct child_device_config
*child_dev
;
673 struct drm_connector
*int_lvds_connector
;
675 bool mchbar_need_disable
;
684 unsigned long last_time1
;
686 struct timespec last_time2
;
687 unsigned long gfx_power
;
691 spinlock_t
*mchdev_lock
;
693 enum no_fbc_reason no_fbc_reason
;
695 struct drm_mm_node
*compressed_fb
;
696 struct drm_mm_node
*compressed_llb
;
698 unsigned long last_gpu_reset
;
700 /* list of fbdev register on this device */
701 struct intel_fbdev
*fbdev
;
702 } drm_i915_private_t
;
704 /** driver private structure attached to each drm_gem_object */
705 struct drm_i915_gem_object
{
706 struct drm_gem_object base
;
708 /** Current space allocated to this object in the GTT, if any. */
709 struct drm_mm_node
*gtt_space
;
711 /** This object's place on the active/flushing/inactive lists */
712 struct list_head ring_list
;
713 struct list_head mm_list
;
714 /** This object's place on GPU write list */
715 struct list_head gpu_write_list
;
716 /** This object's place on eviction list */
717 struct list_head evict_list
;
720 * This is set if the object is on the active or flushing lists
721 * (has pending rendering), and is not set if it's on inactive (ready
724 unsigned int active
: 1;
727 * This is set if the object has been written to since last bound
730 unsigned int dirty
: 1;
733 * Fence register bits (if any) for this object. Will be set
734 * as needed when mapped into the GTT.
735 * Protected by dev->struct_mutex.
737 * Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
739 signed int fence_reg
: 5;
742 * Used for checking the object doesn't appear more than once
743 * in an execbuffer object list.
745 unsigned int in_execbuffer
: 1;
748 * Advice: are the backing pages purgeable?
750 unsigned int madv
: 2;
753 * Refcount for the pages array. With the current locking scheme, there
754 * are at most two concurrent users: Binding a bo to the gtt and
755 * pwrite/pread using physical addresses. So two bits for a maximum
756 * of two users are enough.
758 unsigned int pages_refcount
: 2;
759 #define DRM_I915_GEM_OBJECT_MAX_PAGES_REFCOUNT 0x3
762 * Current tiling mode for the object.
764 unsigned int tiling_mode
: 2;
766 /** How many users have pinned this object in GTT space. The following
767 * users can each hold at most one reference: pwrite/pread, pin_ioctl
768 * (via user_pin_count), execbuffer (objects are not allowed multiple
769 * times for the same batchbuffer), and the framebuffer code. When
770 * switching/pageflipping, the framebuffer code has at most two buffers
773 * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
774 * bits with absolutely no headroom. So use 4 bits. */
775 unsigned int pin_count
: 4;
776 #define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
778 /** AGP memory structure for our GTT binding. */
779 DRM_AGP_MEM
*agp_mem
;
784 * Current offset of the object in GTT space.
786 * This is the same as gtt_space->start
790 /* Which ring is refering to is this object */
791 struct intel_ring_buffer
*ring
;
794 * Fake offset for use by mmap(2)
796 uint64_t mmap_offset
;
798 /** Breadcrumb of last rendering to the buffer. */
799 uint32_t last_rendering_seqno
;
801 /** Current tiling stride for the object, if it's tiled. */
804 /** Record of address bit 17 of each page at last unbind. */
805 unsigned long *bit_17
;
807 /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
811 * If present, while GEM_DOMAIN_CPU is in the read domain this array
812 * flags which individual pages are valid.
814 uint8_t *page_cpu_valid
;
816 /** User space pin count and filp owning the pin */
817 uint32_t user_pin_count
;
818 struct drm_file
*pin_filp
;
820 /** for phy allocated objects */
821 struct drm_i915_gem_phys_object
*phys_obj
;
824 * Number of crtcs where this object is currently the fb, but
825 * will be page flipped away on the next vblank. When it
826 * reaches 0, dev_priv->pending_flip_queue will be woken up.
828 atomic_t pending_flip
;
831 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
834 * Request queue structure.
836 * The request queue allows us to note sequence numbers that have been emitted
837 * and may be associated with active buffers to be retired.
839 * By keeping this list, we can avoid having to do questionable
840 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
841 * an emission time with seqnos for tracking how far ahead of the GPU we are.
843 struct drm_i915_gem_request
{
844 /** On Which ring this request was generated */
845 struct intel_ring_buffer
*ring
;
847 /** GEM sequence number associated with this request. */
850 /** Time at which this request was emitted, in jiffies. */
851 unsigned long emitted_jiffies
;
853 /** global list entry for this request */
854 struct list_head list
;
856 struct drm_i915_file_private
*file_priv
;
857 /** file_priv list entry for this request */
858 struct list_head client_list
;
861 struct drm_i915_file_private
{
863 struct spinlock lock
;
864 struct list_head request_list
;
868 enum intel_chip_family
{
875 extern struct drm_ioctl_desc i915_ioctls
[];
876 extern int i915_max_ioctl
;
877 extern unsigned int i915_fbpercrtc
;
878 extern unsigned int i915_powersave
;
879 extern unsigned int i915_lvds_downclock
;
881 extern int i915_suspend(struct drm_device
*dev
, pm_message_t state
);
882 extern int i915_resume(struct drm_device
*dev
);
883 extern void i915_save_display(struct drm_device
*dev
);
884 extern void i915_restore_display(struct drm_device
*dev
);
885 extern int i915_master_create(struct drm_device
*dev
, struct drm_master
*master
);
886 extern void i915_master_destroy(struct drm_device
*dev
, struct drm_master
*master
);
889 extern void i915_kernel_lost_context(struct drm_device
* dev
);
890 extern int i915_driver_load(struct drm_device
*, unsigned long flags
);
891 extern int i915_driver_unload(struct drm_device
*);
892 extern int i915_driver_open(struct drm_device
*dev
, struct drm_file
*file_priv
);
893 extern void i915_driver_lastclose(struct drm_device
* dev
);
894 extern void i915_driver_preclose(struct drm_device
*dev
,
895 struct drm_file
*file_priv
);
896 extern void i915_driver_postclose(struct drm_device
*dev
,
897 struct drm_file
*file_priv
);
898 extern int i915_driver_device_is_agp(struct drm_device
* dev
);
899 extern long i915_compat_ioctl(struct file
*filp
, unsigned int cmd
,
901 extern int i915_emit_box(struct drm_device
*dev
,
902 struct drm_clip_rect
*boxes
,
903 int i
, int DR1
, int DR4
);
904 extern int i915_reset(struct drm_device
*dev
, u8 flags
);
905 extern unsigned long i915_chipset_val(struct drm_i915_private
*dev_priv
);
906 extern unsigned long i915_mch_val(struct drm_i915_private
*dev_priv
);
907 extern unsigned long i915_gfx_val(struct drm_i915_private
*dev_priv
);
908 extern void i915_update_gfx_val(struct drm_i915_private
*dev_priv
);
912 void i915_hangcheck_elapsed(unsigned long data
);
913 extern int i915_irq_emit(struct drm_device
*dev
, void *data
,
914 struct drm_file
*file_priv
);
915 extern int i915_irq_wait(struct drm_device
*dev
, void *data
,
916 struct drm_file
*file_priv
);
917 void i915_trace_irq_get(struct drm_device
*dev
, u32 seqno
);
918 extern void i915_enable_interrupt (struct drm_device
*dev
);
920 extern irqreturn_t
i915_driver_irq_handler(DRM_IRQ_ARGS
);
921 extern void i915_driver_irq_preinstall(struct drm_device
* dev
);
922 extern int i915_driver_irq_postinstall(struct drm_device
*dev
);
923 extern void i915_driver_irq_uninstall(struct drm_device
* dev
);
924 extern int i915_vblank_pipe_set(struct drm_device
*dev
, void *data
,
925 struct drm_file
*file_priv
);
926 extern int i915_vblank_pipe_get(struct drm_device
*dev
, void *data
,
927 struct drm_file
*file_priv
);
928 extern int i915_enable_vblank(struct drm_device
*dev
, int crtc
);
929 extern void i915_disable_vblank(struct drm_device
*dev
, int crtc
);
930 extern u32
i915_get_vblank_counter(struct drm_device
*dev
, int crtc
);
931 extern u32
gm45_get_vblank_counter(struct drm_device
*dev
, int crtc
);
932 extern int i915_vblank_swap(struct drm_device
*dev
, void *data
,
933 struct drm_file
*file_priv
);
934 extern void i915_enable_irq(drm_i915_private_t
*dev_priv
, u32 mask
);
935 extern void i915_disable_irq(drm_i915_private_t
*dev_priv
, u32 mask
);
936 extern void ironlake_enable_graphics_irq(drm_i915_private_t
*dev_priv
,
938 extern void ironlake_disable_graphics_irq(drm_i915_private_t
*dev_priv
,
942 i915_enable_pipestat(drm_i915_private_t
*dev_priv
, int pipe
, u32 mask
);
945 i915_disable_pipestat(drm_i915_private_t
*dev_priv
, int pipe
, u32 mask
);
947 void intel_enable_asle (struct drm_device
*dev
);
949 #ifdef CONFIG_DEBUG_FS
950 extern void i915_destroy_error_state(struct drm_device
*dev
);
952 #define i915_destroy_error_state(x)
957 extern int i915_mem_alloc(struct drm_device
*dev
, void *data
,
958 struct drm_file
*file_priv
);
959 extern int i915_mem_free(struct drm_device
*dev
, void *data
,
960 struct drm_file
*file_priv
);
961 extern int i915_mem_init_heap(struct drm_device
*dev
, void *data
,
962 struct drm_file
*file_priv
);
963 extern int i915_mem_destroy_heap(struct drm_device
*dev
, void *data
,
964 struct drm_file
*file_priv
);
965 extern void i915_mem_takedown(struct mem_block
**heap
);
966 extern void i915_mem_release(struct drm_device
* dev
,
967 struct drm_file
*file_priv
, struct mem_block
*heap
);
969 int i915_gem_check_is_wedged(struct drm_device
*dev
);
970 int i915_gem_init_ioctl(struct drm_device
*dev
, void *data
,
971 struct drm_file
*file_priv
);
972 int i915_gem_create_ioctl(struct drm_device
*dev
, void *data
,
973 struct drm_file
*file_priv
);
974 int i915_gem_pread_ioctl(struct drm_device
*dev
, void *data
,
975 struct drm_file
*file_priv
);
976 int i915_gem_pwrite_ioctl(struct drm_device
*dev
, void *data
,
977 struct drm_file
*file_priv
);
978 int i915_gem_mmap_ioctl(struct drm_device
*dev
, void *data
,
979 struct drm_file
*file_priv
);
980 int i915_gem_mmap_gtt_ioctl(struct drm_device
*dev
, void *data
,
981 struct drm_file
*file_priv
);
982 int i915_gem_set_domain_ioctl(struct drm_device
*dev
, void *data
,
983 struct drm_file
*file_priv
);
984 int i915_gem_sw_finish_ioctl(struct drm_device
*dev
, void *data
,
985 struct drm_file
*file_priv
);
986 int i915_gem_execbuffer(struct drm_device
*dev
, void *data
,
987 struct drm_file
*file_priv
);
988 int i915_gem_execbuffer2(struct drm_device
*dev
, void *data
,
989 struct drm_file
*file_priv
);
990 int i915_gem_pin_ioctl(struct drm_device
*dev
, void *data
,
991 struct drm_file
*file_priv
);
992 int i915_gem_unpin_ioctl(struct drm_device
*dev
, void *data
,
993 struct drm_file
*file_priv
);
994 int i915_gem_busy_ioctl(struct drm_device
*dev
, void *data
,
995 struct drm_file
*file_priv
);
996 int i915_gem_throttle_ioctl(struct drm_device
*dev
, void *data
,
997 struct drm_file
*file_priv
);
998 int i915_gem_madvise_ioctl(struct drm_device
*dev
, void *data
,
999 struct drm_file
*file_priv
);
1000 int i915_gem_entervt_ioctl(struct drm_device
*dev
, void *data
,
1001 struct drm_file
*file_priv
);
1002 int i915_gem_leavevt_ioctl(struct drm_device
*dev
, void *data
,
1003 struct drm_file
*file_priv
);
1004 int i915_gem_set_tiling(struct drm_device
*dev
, void *data
,
1005 struct drm_file
*file_priv
);
1006 int i915_gem_get_tiling(struct drm_device
*dev
, void *data
,
1007 struct drm_file
*file_priv
);
1008 int i915_gem_get_aperture_ioctl(struct drm_device
*dev
, void *data
,
1009 struct drm_file
*file_priv
);
1010 void i915_gem_load(struct drm_device
*dev
);
1011 int i915_gem_init_object(struct drm_gem_object
*obj
);
1012 struct drm_gem_object
* i915_gem_alloc_object(struct drm_device
*dev
,
1014 void i915_gem_free_object(struct drm_gem_object
*obj
);
1015 int i915_gem_object_pin(struct drm_gem_object
*obj
, uint32_t alignment
,
1017 void i915_gem_object_unpin(struct drm_gem_object
*obj
);
1018 int i915_gem_object_unbind(struct drm_gem_object
*obj
);
1019 void i915_gem_release_mmap(struct drm_gem_object
*obj
);
1020 void i915_gem_lastclose(struct drm_device
*dev
);
1023 * Returns true if seq1 is later than seq2.
1026 i915_seqno_passed(uint32_t seq1
, uint32_t seq2
)
1028 return (int32_t)(seq1
- seq2
) >= 0;
1031 int i915_gem_object_get_fence_reg(struct drm_gem_object
*obj
,
1032 bool interruptible
);
1033 int i915_gem_object_put_fence_reg(struct drm_gem_object
*obj
,
1034 bool interruptible
);
1035 void i915_gem_retire_requests(struct drm_device
*dev
);
1036 void i915_gem_reset(struct drm_device
*dev
);
1037 void i915_gem_clflush_object(struct drm_gem_object
*obj
);
1038 int i915_gem_object_set_domain(struct drm_gem_object
*obj
,
1039 uint32_t read_domains
,
1040 uint32_t write_domain
);
1041 int i915_gem_init_ringbuffer(struct drm_device
*dev
);
1042 void i915_gem_cleanup_ringbuffer(struct drm_device
*dev
);
1043 int i915_gem_do_init(struct drm_device
*dev
, unsigned long start
,
1044 unsigned long mappable_end
, unsigned long end
);
1045 int i915_gpu_idle(struct drm_device
*dev
);
1046 int i915_gem_idle(struct drm_device
*dev
);
1047 int i915_add_request(struct drm_device
*dev
,
1048 struct drm_file
*file_priv
,
1049 struct drm_i915_gem_request
*request
,
1050 struct intel_ring_buffer
*ring
);
1051 int i915_do_wait_request(struct drm_device
*dev
,
1054 struct intel_ring_buffer
*ring
);
1055 int i915_gem_fault(struct vm_area_struct
*vma
, struct vm_fault
*vmf
);
1056 int i915_gem_object_set_to_gtt_domain(struct drm_gem_object
*obj
,
1058 int i915_gem_object_set_to_display_plane(struct drm_gem_object
*obj
,
1060 int i915_gem_attach_phys_object(struct drm_device
*dev
,
1061 struct drm_gem_object
*obj
,
1064 void i915_gem_detach_phys_object(struct drm_device
*dev
,
1065 struct drm_gem_object
*obj
);
1066 void i915_gem_free_all_phys_object(struct drm_device
*dev
);
1067 void i915_gem_release(struct drm_device
* dev
, struct drm_file
*file_priv
);
1069 void i915_gem_shrinker_init(void);
1070 void i915_gem_shrinker_exit(void);
1072 /* i915_gem_evict.c */
1073 int i915_gem_evict_something(struct drm_device
*dev
, int min_size
,
1074 unsigned alignment
, bool mappable
);
1075 int i915_gem_evict_everything(struct drm_device
*dev
);
1076 int i915_gem_evict_inactive(struct drm_device
*dev
);
1078 /* i915_gem_tiling.c */
1079 void i915_gem_detect_bit_6_swizzle(struct drm_device
*dev
);
1080 void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object
*obj
);
1081 void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object
*obj
);
1082 bool i915_tiling_ok(struct drm_device
*dev
, int stride
, int size
,
1084 bool i915_gem_object_fence_offset_ok(struct drm_gem_object
*obj
,
1087 /* i915_gem_debug.c */
1088 void i915_gem_dump_object(struct drm_gem_object
*obj
, int len
,
1089 const char *where
, uint32_t mark
);
1091 int i915_verify_lists(struct drm_device
*dev
);
1093 #define i915_verify_lists(dev) 0
1095 void i915_gem_object_check_coherency(struct drm_gem_object
*obj
, int handle
);
1096 void i915_gem_dump_object(struct drm_gem_object
*obj
, int len
,
1097 const char *where
, uint32_t mark
);
1099 /* i915_debugfs.c */
1100 int i915_debugfs_init(struct drm_minor
*minor
);
1101 void i915_debugfs_cleanup(struct drm_minor
*minor
);
1103 /* i915_suspend.c */
1104 extern int i915_save_state(struct drm_device
*dev
);
1105 extern int i915_restore_state(struct drm_device
*dev
);
1107 /* i915_suspend.c */
1108 extern int i915_save_state(struct drm_device
*dev
);
1109 extern int i915_restore_state(struct drm_device
*dev
);
1112 extern int intel_setup_gmbus(struct drm_device
*dev
);
1113 extern void intel_teardown_gmbus(struct drm_device
*dev
);
1114 extern void intel_gmbus_set_speed(struct i2c_adapter
*adapter
, int speed
);
1115 extern void intel_gmbus_force_bit(struct i2c_adapter
*adapter
, bool force_bit
);
1116 extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter
*adapter
)
1118 return container_of(adapter
, struct intel_gmbus
, adapter
)->force_bit
;
1120 extern void intel_i2c_reset(struct drm_device
*dev
);
1122 /* intel_opregion.c */
1123 extern int intel_opregion_setup(struct drm_device
*dev
);
1125 extern void intel_opregion_init(struct drm_device
*dev
);
1126 extern void intel_opregion_fini(struct drm_device
*dev
);
1127 extern void intel_opregion_asle_intr(struct drm_device
*dev
);
1128 extern void intel_opregion_gse_intr(struct drm_device
*dev
);
1129 extern void intel_opregion_enable_asle(struct drm_device
*dev
);
1131 static inline void intel_opregion_init(struct drm_device
*dev
) { return; }
1132 static inline void intel_opregion_fini(struct drm_device
*dev
) { return; }
1133 static inline void intel_opregion_asle_intr(struct drm_device
*dev
) { return; }
1134 static inline void intel_opregion_gse_intr(struct drm_device
*dev
) { return; }
1135 static inline void intel_opregion_enable_asle(struct drm_device
*dev
) { return; }
1140 extern void intel_register_dsm_handler(void);
1141 extern void intel_unregister_dsm_handler(void);
1143 static inline void intel_register_dsm_handler(void) { return; }
1144 static inline void intel_unregister_dsm_handler(void) { return; }
1145 #endif /* CONFIG_ACPI */
1148 extern void intel_modeset_init(struct drm_device
*dev
);
1149 extern void intel_modeset_cleanup(struct drm_device
*dev
);
1150 extern int intel_modeset_vga_set_state(struct drm_device
*dev
, bool state
);
1151 extern void i8xx_disable_fbc(struct drm_device
*dev
);
1152 extern void g4x_disable_fbc(struct drm_device
*dev
);
1153 extern void ironlake_disable_fbc(struct drm_device
*dev
);
1154 extern void intel_disable_fbc(struct drm_device
*dev
);
1155 extern void intel_enable_fbc(struct drm_crtc
*crtc
, unsigned long interval
);
1156 extern bool intel_fbc_enabled(struct drm_device
*dev
);
1157 extern bool ironlake_set_drps(struct drm_device
*dev
, u8 val
);
1158 extern void intel_detect_pch (struct drm_device
*dev
);
1159 extern int intel_trans_dp_port_sel (struct drm_crtc
*crtc
);
1162 #ifdef CONFIG_DEBUG_FS
1163 extern struct intel_overlay_error_state
*intel_overlay_capture_error_state(struct drm_device
*dev
);
1164 extern void intel_overlay_print_error_state(struct seq_file
*m
, struct intel_overlay_error_state
*error
);
1168 * Lock test for when it's just for synchronization of ring access.
1170 * In that case, we don't need to do it when GEM is initialized as nobody else
1171 * has access to the ring.
1173 #define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \
1174 if (((drm_i915_private_t *)dev->dev_private)->render_ring.gem_object \
1176 LOCK_TEST_WITH_RETURN(dev, file_priv); \
1179 static inline u32
i915_read(struct drm_i915_private
*dev_priv
, u32 reg
)
1183 val
= readl(dev_priv
->regs
+ reg
);
1184 if (dev_priv
->debug_flags
& I915_DEBUG_READ
)
1185 printk(KERN_ERR
"read 0x%08x from 0x%08x\n", val
, reg
);
1189 static inline void i915_write(struct drm_i915_private
*dev_priv
, u32 reg
,
1192 writel(val
, dev_priv
->regs
+ reg
);
1193 if (dev_priv
->debug_flags
& I915_DEBUG_WRITE
)
1194 printk(KERN_ERR
"wrote 0x%08x to 0x%08x\n", val
, reg
);
1197 #define I915_READ(reg) i915_read(dev_priv, (reg))
1198 #define I915_WRITE(reg, val) i915_write(dev_priv, (reg), (val))
1199 #define I915_READ16(reg) readw(dev_priv->regs + (reg))
1200 #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
1201 #define I915_READ8(reg) readb(dev_priv->regs + (reg))
1202 #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
1203 #define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
1204 #define I915_READ64(reg) readq(dev_priv->regs + (reg))
1205 #define POSTING_READ(reg) (void)I915_READ(reg)
1206 #define POSTING_READ16(reg) (void)I915_READ16(reg)
1208 #define I915_DEBUG_ENABLE_IO() (dev_priv->debug_flags |= I915_DEBUG_READ | \
1210 #define I915_DEBUG_DISABLE_IO() (dev_priv->debug_flags &= ~(I915_DEBUG_READ | \
1213 #define BEGIN_LP_RING(n) \
1214 intel_ring_begin(&dev_priv->render_ring, (n))
1216 #define OUT_RING(x) \
1217 intel_ring_emit(&dev_priv->render_ring, x)
1219 #define ADVANCE_LP_RING() \
1220 intel_ring_advance(&dev_priv->render_ring)
1223 * Reads a dword out of the status page, which is written to from the command
1224 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
1225 * MI_STORE_DATA_IMM.
1227 * The following dwords have a reserved meaning:
1228 * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
1229 * 0x04: ring 0 head pointer
1230 * 0x05: ring 1 head pointer (915-class)
1231 * 0x06: ring 2 head pointer (915-class)
1232 * 0x10-0x1b: Context status DWords (GM45)
1233 * 0x1f: Last written status offset. (GM45)
1235 * The area from dword 0x20 to 0x3ff is available for driver usage.
1237 #define READ_HWSP(dev_priv, reg) (((volatile u32 *)\
1238 (dev_priv->render_ring.status_page.page_addr))[reg])
1239 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
1240 #define I915_GEM_HWS_INDEX 0x20
1241 #define I915_BREADCRUMB_INDEX 0x21
1243 #define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info)
1245 #define IS_I830(dev) ((dev)->pci_device == 0x3577)
1246 #define IS_845G(dev) ((dev)->pci_device == 0x2562)
1247 #define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
1248 #define IS_I865G(dev) ((dev)->pci_device == 0x2572)
1249 #define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
1250 #define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
1251 #define IS_I945G(dev) ((dev)->pci_device == 0x2772)
1252 #define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
1253 #define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
1254 #define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
1255 #define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
1256 #define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
1257 #define IS_PINEVIEW_G(dev) ((dev)->pci_device == 0xa001)
1258 #define IS_PINEVIEW_M(dev) ((dev)->pci_device == 0xa011)
1259 #define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
1260 #define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
1261 #define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042)
1262 #define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
1263 #define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
1265 #define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
1266 #define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
1267 #define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
1268 #define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
1269 #define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
1271 #define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
1272 #define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
1273 #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
1275 #define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
1276 #define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
1278 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1279 * rows, which changed the alignment requirements and fence programming.
1281 #define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
1283 #define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
1284 #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
1285 #define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
1286 #define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev))
1287 #define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
1288 #define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
1289 /* dsparb controlled by hw only */
1290 #define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))
1292 #define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
1293 #define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
1294 #define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
1295 #define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
1297 #define HAS_PCH_SPLIT(dev) (IS_GEN5(dev) || IS_GEN6(dev))
1298 #define HAS_PIPE_CONTROL(dev) (IS_GEN5(dev) || IS_GEN6(dev))
1300 #define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
1301 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
1303 #define PRIMARY_RINGBUFFER_SIZE (128*1024)