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-rw-r--r--usr/src/uts/intel/io/drm/i915_drv.h1842
1 files changed, 1842 insertions, 0 deletions
diff --git a/usr/src/uts/intel/io/drm/i915_drv.h b/usr/src/uts/intel/io/drm/i915_drv.h
new file mode 100644
index 0000000..ccf4bd6
--- /dev/null
+++ b/usr/src/uts/intel/io/drm/i915_drv.h
@@ -0,0 +1,1842 @@
+/* BEGIN CSTYLED */
+
+/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
+ */
+/*
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright (c) 2009, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _I915_DRV_H
+#define _I915_DRV_H
+
+/* General customization:
+ */
+
+#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
+
+#define DRIVER_NAME "i915"
+#define DRIVER_DESC "Intel Graphics"
+#define DRIVER_DATE "20080730"
+
+#if defined(__SVR4) && defined(__sun)
+#define spinlock_t kmutex_t
+#endif
+
+#define I915_NUM_PIPE 2
+
+#define I915_NUM_PIPE 2
+
+/* Interface history:
+ *
+ * 1.1: Original.
+ * 1.2: Add Power Management
+ * 1.3: Add vblank support
+ * 1.4: Fix cmdbuffer path, add heap destroy
+ * 1.5: Add vblank pipe configuration
+ * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
+ * - Support vertical blank on secondary display pipe
+ */
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 6
+#define DRIVER_PATCHLEVEL 0
+
+#if defined(__linux__)
+#define I915_HAVE_FENCE
+#define I915_HAVE_BUFFER
+#endif
+#define I915_HAVE_GEM 1
+
+typedef struct _drm_i915_ring_buffer {
+ int tail_mask;
+ unsigned long Size;
+ u8 *virtual_start;
+ int head;
+ int tail;
+ int space;
+ drm_local_map_t map;
+ struct drm_gem_object *ring_obj;
+} drm_i915_ring_buffer_t;
+
+struct mem_block {
+ struct mem_block *next;
+ struct mem_block *prev;
+ int start;
+ int size;
+ drm_file_t *filp; /* 0: free, -1: heap, other: real files */
+};
+
+typedef struct _drm_i915_vbl_swap {
+ struct list_head head;
+ drm_drawable_t drw_id;
+ unsigned int plane;
+ unsigned int sequence;
+ int flip;
+} drm_i915_vbl_swap_t;
+
+typedef struct s3_i915_private {
+ ddi_acc_handle_t saveHandle;
+ caddr_t saveAddr;
+ uint32_t pgtbl_ctl;
+ uint8_t saveLBB;
+ uint32_t saveDSPACNTR;
+ uint32_t saveDSPBCNTR;
+ uint32_t saveDSPARB;
+ uint32_t saveRENDERSTANDBY;
+ uint32_t saveHWS;
+ uint32_t savePIPEACONF;
+ uint32_t savePIPEBCONF;
+ uint32_t savePIPEASRC;
+ uint32_t savePIPEBSRC;
+ uint32_t saveFPA0;
+ uint32_t saveFPA1;
+ uint32_t saveDPLL_A;
+ uint32_t saveDPLL_A_MD;
+ uint32_t saveHTOTAL_A;
+ uint32_t saveHBLANK_A;
+ uint32_t saveHSYNC_A;
+ uint32_t saveVTOTAL_A;
+ uint32_t saveVBLANK_A;
+ uint32_t saveVSYNC_A;
+ uint32_t saveBCLRPAT_A;
+ uint32_t saveDSPASTRIDE;
+ uint32_t saveDSPASIZE;
+ uint32_t saveDSPAPOS;
+ uint32_t saveDSPABASE;
+ uint32_t saveDSPASURF;
+ uint32_t saveDSPATILEOFF;
+ uint32_t savePFIT_PGM_RATIOS;
+ uint32_t saveBLC_PWM_CTL;
+ uint32_t saveBLC_PWM_CTL2;
+ uint32_t saveFPB0;
+ uint32_t saveFPB1;
+ uint32_t saveDPLL_B;
+ uint32_t saveDPLL_B_MD;
+ uint32_t saveHTOTAL_B;
+ uint32_t saveHBLANK_B;
+ uint32_t saveHSYNC_B;
+ uint32_t saveVTOTAL_B;
+ uint32_t saveVBLANK_B;
+ uint32_t saveVSYNC_B;
+ uint32_t saveBCLRPAT_B;
+ uint32_t saveDSPBSTRIDE;
+ uint32_t saveDSPBSIZE;
+ uint32_t saveDSPBPOS;
+ uint32_t saveDSPBBASE;
+ uint32_t saveDSPBSURF;
+ uint32_t saveDSPBTILEOFF;
+ uint32_t saveVCLK_DIVISOR_VGA0;
+ uint32_t saveVCLK_DIVISOR_VGA1;
+ uint32_t saveVCLK_POST_DIV;
+ uint32_t saveVGACNTRL;
+ uint32_t saveADPA;
+ uint32_t saveLVDS;
+ uint32_t saveLVDSPP_ON;
+ uint32_t saveLVDSPP_OFF;
+ uint32_t saveDVOA;
+ uint32_t saveDVOB;
+ uint32_t saveDVOC;
+ uint32_t savePP_ON;
+ uint32_t savePP_OFF;
+ uint32_t savePP_CONTROL;
+ uint32_t savePP_CYCLE;
+ uint32_t savePFIT_CONTROL;
+ uint32_t save_palette_a[256];
+ uint32_t save_palette_b[256];
+ uint32_t saveFBC_CFB_BASE;
+ uint32_t saveFBC_LL_BASE;
+ uint32_t saveFBC_CONTROL;
+ uint32_t saveFBC_CONTROL2;
+ uint32_t saveIER;
+ uint32_t saveIIR;
+ uint32_t saveIMR;
+ uint32_t saveD_STATE;
+ uint32_t saveCG_2D_DIS;
+ uint32_t saveMI_ARB_STATE;
+ uint32_t savePIPEASTAT;
+ uint32_t savePIPEBSTAT;
+ uint32_t saveCACHE_MODE_0;
+ uint32_t saveSWF0[16];
+ uint32_t saveSWF1[16];
+ uint32_t saveSWF2[3];
+ uint8_t saveMSR;
+ uint8_t saveSR[8];
+ uint8_t saveGR[25];
+ uint8_t saveAR_INDEX;
+ uint8_t saveAR[21];
+ uint8_t saveDACMASK;
+ uint8_t saveDACDATA[256*3]; /* 256 3-byte colors */
+ uint8_t saveCR[37];
+} s3_i915_private_t;
+
+struct drm_i915_error_state {
+ u32 eir;
+ u32 pgtbl_er;
+ u32 pipeastat;
+ u32 pipebstat;
+ u32 ipeir;
+ u32 ipehr;
+ u32 instdone;
+ u32 acthd;
+ u32 instpm;
+ u32 instps;
+ u32 instdone1;
+ u32 seqno;
+ struct timeval time;
+};
+
+typedef struct drm_i915_private {
+ struct drm_device *dev;
+
+ drm_local_map_t *sarea;
+ drm_local_map_t *mmio_map;
+
+ drm_i915_sarea_t *sarea_priv;
+ drm_i915_ring_buffer_t ring;
+
+ drm_dma_handle_t *status_page_dmah;
+ void *hw_status_page;
+ dma_addr_t dma_status_page;
+ uint32_t counter;
+ unsigned int status_gfx_addr;
+ drm_local_map_t hws_map;
+ struct drm_gem_object *hws_obj;
+
+ unsigned int cpp;
+ int back_offset;
+ int front_offset;
+ int current_page;
+ int page_flipping;
+
+ wait_queue_head_t irq_queue;
+ atomic_t irq_received;
+ /** Protects user_irq_refcount and irq_mask_reg */
+ spinlock_t user_irq_lock;
+ /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
+ int user_irq_refcount;
+ /** Cached value of IMR to avoid reads in updating the bitfield */
+ int irq_mask_reg;
+ uint32_t pipestat[2];
+ /** splitted irq regs for graphics and display engine on IGDNG,
+ irq_mask_reg is still used for display irq. */
+ u32 gt_irq_mask_reg;
+ u32 gt_irq_enable_reg;
+ u32 de_irq_enable_reg;
+
+ int tex_lru_log_granularity;
+ int allow_batchbuffer;
+ struct mem_block *agp_heap;
+ unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
+ int vblank_pipe;
+
+ spinlock_t error_lock;
+ struct drm_i915_error_state *first_error;
+
+ struct {
+ struct drm_mm gtt_space;
+
+ drm_local_map_t gtt_mapping;
+ /**
+ * List of objects currently involved in rendering from the
+ * ringbuffer.
+ *
+ * A reference is held on the buffer while on this list.
+ */
+ struct list_head active_list;
+
+ /**
+ * List of objects which are not in the ringbuffer but which
+ * still have a write_domain which needs to be flushed before
+ * unbinding.
+ *
+ * A reference is held on the buffer while on this list.
+ */
+ struct list_head flushing_list;
+
+ /**
+ * LRU list of objects which are not in the ringbuffer and
+ * are ready to unbind, but are still in the GTT.
+ *
+ * A reference is not held on the buffer while on this list,
+ * as merely being GTT-bound shouldn't prevent its being
+ * freed, and we'll pull it off the list in the free path.
+ */
+ struct list_head inactive_list;
+
+ /**
+ * List of breadcrumbs associated with GPU requests currently
+ * outstanding.
+ */
+ struct list_head request_list;
+
+ uint32_t next_gem_seqno;
+
+ /**
+ * Waiting sequence number, if any
+ */
+ uint32_t waiting_gem_seqno;
+
+ /**
+ * Last seq seen at irq time
+ */
+ uint32_t irq_gem_seqno;
+
+ /**
+ * Flag if the X Server, and thus DRM, is not currently in
+ * control of the device.
+ *
+ * This is set between LeaveVT and EnterVT. It needs to be
+ * replaced with a semaphore. It also needs to be
+ * transitioned away from for kernel modesetting.
+ */
+ int suspended;
+
+ /**
+ * Flag if the hardware appears to be wedged.
+ *
+ * This is set when attempts to idle the device timeout.
+ * It prevents command submission from occuring and makes
+ * every pending request fail
+ */
+ int wedged;
+
+ /** Bit 6 swizzling required for X tiling */
+ uint32_t bit_6_swizzle_x;
+ /** Bit 6 swizzling required for Y tiling */
+ uint32_t bit_6_swizzle_y;
+ } mm;
+
+} drm_i915_private_t;
+
+struct drm_track {
+ struct drm_track *next, *prev;
+ caddr_t contain_ptr;
+ struct drm_gem_object *obj;
+ uint32_t name;
+ uint64_t offset;
+
+};
+
+/** driver private structure attached to each drm_gem_object */
+struct drm_i915_gem_object {
+ /** This object's place on the active/flushing/inactive lists */
+ struct list_head list;
+
+ struct drm_gem_object *obj;
+
+ /** Current space allocated to this object in the GTT, if any. */
+ struct drm_mm_node *gtt_space;
+
+
+ /**
+ * This is set if the object is on the active or flushing lists
+ * (has pending rendering), and is not set if it's on inactive (ready
+ * to be unbound).
+ */
+ int active;
+
+ /**
+ * This is set if the object has been written to since last bound
+ * to the GTT
+ */
+ int dirty;
+
+ /** AGP memory structure for our GTT binding. */
+ int agp_mem;
+
+ caddr_t *page_list;
+
+ pfn_t *pfnarray;
+ /**
+ * Current offset of the object in GTT space.
+ *
+ * This is the same as gtt_space->start
+ */
+ uint32_t gtt_offset;
+
+ /** Boolean whether this object has a valid gtt offset. */
+ int gtt_bound;
+
+ /** How many users have pinned this object in GTT space */
+ int pin_count;
+
+ /** Breadcrumb of last rendering to the buffer. */
+ uint32_t last_rendering_seqno;
+
+ /** Current tiling mode for the object. */
+ uint32_t tiling_mode;
+ uint32_t stride;
+ /**
+ * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
+ * GEM_DOMAIN_CPU is not in the object's read domain.
+ */
+ uint8_t *page_cpu_valid;
+ /** User space pin count and filp owning the pin */
+ uint32_t user_pin_count;
+ struct drm_file *pin_filp;
+ /**
+ * Used for checking the object doesn't appear more than once
+ * in an execbuffer object list.
+ */
+ int in_execbuffer;
+};
+
+/**
+ * Request queue structure.
+ *
+ * The request queue allows us to note sequence numbers that have been emitted
+ * and may be associated with active buffers to be retired.
+ *
+ * By keeping this list, we can avoid having to do questionable
+ * sequence-number comparisons on buffer last_rendering_seqnos, and associate
+ * an emission time with seqnos for tracking how far ahead of the GPU we are.
+ */
+struct drm_i915_gem_request {
+ struct list_head list;
+
+ /** GEM sequence number associated with this request. */
+ uint32_t seqno;
+
+ /** Time at which this request was emitted, in jiffies. */
+ unsigned long emitted_jiffies;
+
+ /** Cache domains that were flushed at the start of the request. */
+ uint32_t flush_domains;
+
+};
+
+struct drm_i915_file_private {
+ struct {
+ uint32_t last_gem_seqno;
+ uint32_t last_gem_throttle_seqno;
+ } mm;
+};
+
+
+enum intel_chip_family {
+ CHIP_I8XX = 0x01,
+ CHIP_I9XX = 0x02,
+ CHIP_I915 = 0x04,
+ CHIP_I965 = 0x08,
+};
+
+extern drm_ioctl_desc_t i915_ioctls[];
+extern int i915_max_ioctl;
+extern void i915_save_display(struct drm_device *dev);
+extern void i915_restore_display(struct drm_device *dev);
+
+ /* i915_dma.c */
+extern void i915_kernel_lost_context(drm_device_t * dev);
+extern int i915_driver_load(struct drm_device *, unsigned long flags);
+extern int i915_driver_unload(struct drm_device *dev);
+extern int i915_driver_open(drm_device_t * dev, drm_file_t *file_priv);
+extern void i915_driver_lastclose(drm_device_t * dev);
+extern void i915_driver_preclose(drm_device_t * dev, drm_file_t *filp);
+extern void i915_driver_postclose(drm_device_t * dev,
+ struct drm_file *file_priv);
+extern int i915_driver_device_is_agp(drm_device_t * dev);
+extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg);
+extern int i915_emit_box(struct drm_device *dev,
+ struct drm_clip_rect __user *boxes,
+ int i, int DR1, int DR4);
+extern void i915_emit_breadcrumb(struct drm_device *dev);
+extern void i915_emit_mi_flush(drm_device_t *dev, uint32_t flush);
+extern void i915_handle_error(struct drm_device *dev);
+
+/* i915_irq.c */
+extern int i915_irq_emit(DRM_IOCTL_ARGS);
+extern int i915_irq_wait(DRM_IOCTL_ARGS);
+
+extern int i915_enable_vblank(struct drm_device *dev, int crtc);
+extern void i915_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
+extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
+extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
+extern int i915_driver_irq_preinstall(drm_device_t * dev);
+extern void i915_driver_irq_postinstall(drm_device_t * dev);
+extern void i915_driver_irq_uninstall(drm_device_t * dev);
+extern int i915_emit_irq(drm_device_t * dev);
+extern int i915_vblank_swap(DRM_IOCTL_ARGS);
+extern void i915_user_irq_on(drm_device_t * dev);
+extern void i915_user_irq_off(drm_device_t * dev);
+extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS);
+extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS);
+
+/* i915_mem.c */
+extern int i915_mem_alloc(DRM_IOCTL_ARGS);
+extern int i915_mem_free(DRM_IOCTL_ARGS);
+extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
+extern int i915_mem_destroy_heap(DRM_IOCTL_ARGS);
+extern void i915_mem_takedown(struct mem_block **heap);
+extern void i915_mem_release(drm_device_t * dev,
+ drm_file_t *filp, struct mem_block *heap);
+extern struct mem_block **get_heap(drm_i915_private_t *, int);
+extern struct mem_block *find_block_by_proc(struct mem_block *, drm_file_t *);
+extern void mark_block(drm_device_t *, struct mem_block *, int);
+extern void free_block(struct mem_block *);
+
+/* i915_gem.c */
+int i915_gem_init_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_create_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_pread_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_pwrite_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_mmap_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_set_domain_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_sw_finish_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_execbuffer(DRM_IOCTL_ARGS);
+int i915_gem_pin_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_unpin_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_busy_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_throttle_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_entervt_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_leavevt_ioctl(DRM_IOCTL_ARGS);
+int i915_gem_set_tiling(DRM_IOCTL_ARGS);
+int i915_gem_get_tiling(DRM_IOCTL_ARGS);
+int i915_gem_get_aperture_ioctl(DRM_IOCTL_ARGS);
+void i915_gem_load(struct drm_device *dev);
+int i915_gem_init_object(struct drm_gem_object *obj);
+void i915_gem_free_object(struct drm_gem_object *obj);
+int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
+void i915_gem_object_unpin(struct drm_gem_object *obj);
+int i915_gem_object_unbind(struct drm_gem_object *obj, uint32_t type);
+void i915_gem_lastclose(struct drm_device *dev);
+uint32_t i915_get_gem_seqno(struct drm_device *dev);
+void i915_gem_retire_requests(struct drm_device *dev);
+void i915_gem_retire_work_handler(void *dev);
+void i915_gem_clflush_object(struct drm_gem_object *obj);
+int i915_gem_init_ringbuffer(struct drm_device *dev);
+
+/* i915_gem_tiling.c */
+void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
+
+/* i915_gem_debug.c */
+void i915_gem_command_decode(uint32_t *data, int count,
+ uint32_t hw_offset, struct drm_device *dev);
+/* i915_gem_regdump.c */
+int i915_reg_dump_show(struct drm_device *dev, void *v);
+#ifdef I915_HAVE_FENCE
+/* i915_fence.c */
+
+
+extern void i915_fence_handler(drm_device_t *dev);
+extern int i915_fence_emit_sequence(drm_device_t *dev, uint32_t class,
+ uint32_t flags,
+ uint32_t *sequence,
+ uint32_t *native_type);
+extern void i915_poke_flush(drm_device_t *dev, uint32_t class);
+extern int i915_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags);
+#endif
+
+#ifdef I915_HAVE_BUFFER
+/* i915_buffer.c */
+extern drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev);
+extern int i915_fence_types(drm_buffer_object_t *bo, uint32_t *class, uint32_t *type);
+extern int i915_invalidate_caches(drm_device_t *dev, uint32_t buffer_flags);
+extern int i915_init_mem_type(drm_device_t *dev, uint32_t type,
+ drm_mem_type_manager_t *man);
+extern uint32_t i915_evict_mask(drm_buffer_object_t *bo);
+extern int i915_move(drm_buffer_object_t *bo, int evict,
+ int no_wait, drm_bo_mem_reg_t *new_mem);
+
+#endif
+
+#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
+#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
+#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
+#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
+#define S3_READ(reg) \
+ *(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg))
+#define S3_WRITE(reg, val) \
+ *(uint32_t volatile *)((uintptr_t)s3_priv->saveAddr + (reg)) = (val)
+
+#define I915_VERBOSE 0
+#define I915_RING_VALIDATE 0
+
+#if I915_RING_VALIDATE
+void i915_ring_validate(struct drm_device *dev, const char *func, int line);
+#define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__)
+#else
+#define I915_RING_DO_VALIDATE(dev)
+#endif
+
+#define RING_LOCALS unsigned int outring, ringmask, outcount; \
+ volatile unsigned char *virt;
+
+
+#define I915_RING_VALIDATE 0
+
+#if I915_RING_VALIDATE
+void i915_ring_validate(struct drm_device *dev, const char *func, int line);
+#define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__)
+#else
+#define I915_RING_DO_VALIDATE(dev)
+#endif
+
+#if I915_VERBOSE
+#define BEGIN_LP_RING(n) do { \
+ DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
+ DRM_DEBUG("dev_priv->ring.virtual_start (%lx)\n", (dev_priv->ring.virtual_start)); \
+ I915_RING_DO_VALIDATE(dev); \
+ if (dev_priv->ring.space < (n)*4) \
+ (void) i915_wait_ring(dev, (n)*4, __FUNCTION__); \
+ outcount = 0; \
+ outring = dev_priv->ring.tail; \
+ ringmask = dev_priv->ring.tail_mask; \
+ virt = dev_priv->ring.virtual_start; \
+} while (*"\0")
+#else
+#define BEGIN_LP_RING(n) do { \
+ I915_RING_DO_VALIDATE(dev); \
+ if (dev_priv->ring.space < (n)*4) \
+ (void) i915_wait_ring(dev, (n)*4, __FUNCTION__); \
+ outcount = 0; \
+ outring = dev_priv->ring.tail; \
+ ringmask = dev_priv->ring.tail_mask; \
+ virt = dev_priv->ring.virtual_start; \
+} while (*"\0")
+#endif
+
+#if I915_VERBOSE
+#define OUT_RING(n) do { \
+ DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
+ *(volatile unsigned int *)(void *)(virt + outring) = (n); \
+ outcount++; \
+ outring += 4; \
+ outring &= ringmask; \
+} while (*"\0")
+#else
+#define OUT_RING(n) do { \
+ *(volatile unsigned int *)(void *)(virt + outring) = (n); \
+ outcount++; \
+ outring += 4; \
+ outring &= ringmask; \
+} while (*"\0")
+#endif
+
+#if I915_VERBOSE
+#define ADVANCE_LP_RING() do { \
+ DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \
+ I915_RING_DO_VALIDATE(dev); \
+ dev_priv->ring.tail = outring; \
+ dev_priv->ring.space -= outcount * 4; \
+ I915_WRITE(PRB0_TAIL, outring); \
+} while (*"\0")
+#else
+#define ADVANCE_LP_RING() do { \
+ I915_RING_DO_VALIDATE(dev); \
+ dev_priv->ring.tail = outring; \
+ dev_priv->ring.space -= outcount * 4; \
+ I915_WRITE(PRB0_TAIL, outring); \
+} while (*"\0")
+#endif
+
+extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller);
+
+/* Extended config space */
+#define LBB 0xf4
+#define GDRST 0xc0
+#define GDRST_FULL (0<<2)
+#define GDRST_RENDER (1<<2)
+#define GDRST_MEDIA (3<<2)
+
+/* VGA stuff */
+
+#define VGA_ST01_MDA 0x3ba
+#define VGA_ST01_CGA 0x3da
+
+#define VGA_MSR_WRITE 0x3c2
+#define VGA_MSR_READ 0x3cc
+#define VGA_MSR_MEM_EN (1<<1)
+#define VGA_MSR_CGA_MODE (1<<0)
+
+#define VGA_SR_INDEX 0x3c4
+#define VGA_SR_DATA 0x3c5
+
+#define VGA_AR_INDEX 0x3c0
+#define VGA_AR_VID_EN (1<<5)
+#define VGA_AR_DATA_WRITE 0x3c0
+#define VGA_AR_DATA_READ 0x3c1
+
+#define VGA_GR_INDEX 0x3ce
+#define VGA_GR_DATA 0x3cf
+/* GR05 */
+#define VGA_GR_MEM_READ_MODE_SHIFT 3
+#define VGA_GR_MEM_READ_MODE_PLANE 1
+/* GR06 */
+#define VGA_GR_MEM_MODE_MASK 0xc
+#define VGA_GR_MEM_MODE_SHIFT 2
+#define VGA_GR_MEM_A0000_AFFFF 0
+#define VGA_GR_MEM_A0000_BFFFF 1
+#define VGA_GR_MEM_B0000_B7FFF 2
+#define VGA_GR_MEM_B0000_BFFFF 3
+
+#define VGA_DACMASK 0x3c6
+#define VGA_DACRX 0x3c7
+#define VGA_DACWX 0x3c8
+#define VGA_DACDATA 0x3c9
+
+#define VGA_CR_INDEX_MDA 0x3b4
+#define VGA_CR_DATA_MDA 0x3b5
+#define VGA_CR_INDEX_CGA 0x3d4
+#define VGA_CR_DATA_CGA 0x3d5
+
+
+#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23))
+#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23))
+#define CMD_REPORT_HEAD (7<<23)
+#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1)
+#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1)
+
+#define INST_PARSER_CLIENT 0x00000000
+#define INST_OP_FLUSH 0x02000000
+#define INST_FLUSH_MAP_CACHE 0x00000001
+
+#define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags))
+#define MI_USER_INTERRUPT MI_INSTR(2, (0 << 29))
+#define MI_FLUSH (0x04 << 23)
+#define MI_NO_WRITE_FLUSH (1 << 2)
+#define MI_READ_FLUSH (1 << 0)
+#define MI_EXE_FLUSH (1 << 1)
+#define MI_STORE_DWORD_INDEX MI_INSTR(0x21, 1)
+#define MI_STORE_DWORD_INDEX_SHIFT 2
+
+#define BB1_START_ADDR_MASK (~0x7)
+#define BB1_PROTECTED (1<<0)
+#define BB1_UNPROTECTED (0<<0)
+#define BB2_END_ADDR_MASK (~0x7)
+
+#define I915REG_PGTBL_CTRL 0x2020
+#define IPEIR 0x02088
+#define HWSTAM 0x02098
+#define IIR 0x020a4
+#define IMR 0x020a8
+#define IER 0x020a0
+#define INSTPM 0x020c0
+#define ACTHD 0x020c8
+#define PIPEASTAT 0x70024
+#define PIPEBSTAT 0x71024
+#define ACTHD_I965 0x02074
+#define HWS_PGA 0x02080
+#define IPEIR_I965 0x02064
+#define IPEHR_I965 0x02068
+#define INSTDONE_I965 0x0206c
+#define INSTPS 0x02070 /* 965+ only */
+#define INSTDONE1 0x0207c /* 965+ only */
+#define IPEHR 0x0208c
+#define INSTDONE 0x02090
+#define EIR 0x020b0
+#define EMR 0x020b4
+#define ESR 0x020b8
+#define GM45_ERROR_PAGE_TABLE (1<<5)
+#define GM45_ERROR_MEM_PRIV (1<<4)
+#define I915_ERROR_PAGE_TABLE (1<<4)
+#define GM45_ERROR_CP_PRIV (1<<3)
+#define I915_ERROR_MEMORY_REFRESH (1<<1)
+#define I915_ERROR_INSTRUCTION (1<<0)
+
+#define PIPEA_FRMCOUNT_GM45 0x70040
+#define PIPEA_FLIPCOUNT_GM45 0x70044
+#define PIPEB_FRMCOUNT_GM45 0x71040
+#define PIPEB_FLIPCOUNT_GM45 0x71044
+
+#define PIPE_VBLANK_INTERRUPT_ENABLE (1UL<<17)
+#define I915_VBLANK_CLEAR (1UL<<1)
+
+#define SRX_INDEX 0x3c4
+#define SRX_DATA 0x3c5
+#define SR01 1
+#define SR01_SCREEN_OFF (1<<5)
+
+#define PPCR 0x61204
+#define PPCR_ON (1<<0)
+
+#define DVOB 0x61140
+#define DVOB_ON (1<<31)
+#define DVOC 0x61160
+#define DVOC_ON (1<<31)
+#define LVDS 0x61180
+#define LVDS_ON (1<<31)
+
+#define ADPA 0x61100
+#define ADPA_DPMS_MASK (~(3<<10))
+#define ADPA_DPMS_ON (0<<10)
+#define ADPA_DPMS_SUSPEND (1<<10)
+#define ADPA_DPMS_STANDBY (2<<10)
+#define ADPA_DPMS_OFF (3<<10)
+
+#ifdef NOPID
+#undef NOPID
+#endif
+#define NOPID 0x2094
+#define LP_RING 0x2030
+#define HP_RING 0x2040
+#define TAIL_ADDR 0x001FFFF8
+#define HEAD_WRAP_COUNT 0xFFE00000
+#define HEAD_WRAP_ONE 0x00200000
+#define HEAD_ADDR 0x001FFFFC
+#define RING_START 0x08
+#define START_ADDR 0x0xFFFFF000
+#define RING_LEN 0x0C
+#define RING_NR_PAGES 0x001FF000
+#define RING_REPORT_MASK 0x00000006
+#define RING_REPORT_64K 0x00000002
+#define RING_REPORT_128K 0x00000004
+#define RING_NO_REPORT 0x00000000
+#define RING_VALID_MASK 0x00000001
+#define RING_VALID 0x00000001
+#define RING_INVALID 0x00000000
+#define PGTBL_ER 0x02024
+#define PRB0_TAIL 0x02030
+#define PRB0_HEAD 0x02034
+#define PRB0_START 0x02038
+#define PRB0_CTL 0x0203c
+#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define SC_UPDATE_SCISSOR (0x1<<1)
+#define SC_ENABLE_MASK (0x1<<0)
+#define SC_ENABLE (0x1<<0)
+
+#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
+#define SCI_YMIN_MASK (0xffff<<16)
+#define SCI_XMIN_MASK (0xffff<<0)
+#define SCI_YMAX_MASK (0xffff<<16)
+#define SCI_XMAX_MASK (0xffff<<0)
+
+#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
+#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
+#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4)
+#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
+#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
+
+#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
+
+#define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4)
+#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
+#define XY_SRC_COPY_BLT_SRC_TILED (1<<15)
+#define XY_SRC_COPY_BLT_DST_TILED (1<<11)
+
+#define MI_BATCH_BUFFER ((0x30<<23)|1)
+#define MI_BATCH_BUFFER_START (0x31<<23)
+#define MI_BATCH_BUFFER_END (0xA<<23)
+#define MI_BATCH_NON_SECURE (1)
+
+#define MI_BATCH_NON_SECURE_I965 (1<<8)
+
+#define MI_WAIT_FOR_EVENT ((0x3<<23))
+#define MI_WAIT_FOR_PLANE_B_FLIP (1<<6)
+#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2)
+#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
+
+#define MI_LOAD_SCAN_LINES_INCL ((0x12<<23))
+
+#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
+#define ASYNC_FLIP (1<<22)
+#define DISPLAY_PLANE_A (0<<20)
+#define DISPLAY_PLANE_B (1<<20)
+
+#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+
+/**
+ * Reads a dword out of the status page, which is written to from the command
+ * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
+ * MI_STORE_DATA_IMM.
+ *
+ * The following dwords have a reserved meaning:
+ * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
+ * 0x04: ring 0 head pointer
+ * 0x05: ring 1 head pointer (915-class)
+ * 0x06: ring 2 head pointer (915-class)
+ * 0x10-0x1b: Context status DWords (GM45)
+ * 0x1f: Last written status offset. (GM45)
+ *
+ * The area from dword 0x20 to 0x3ff is available for driver usage.
+ */
+#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
+#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
+#define I915_GEM_HWS_INDEX 0x20
+#define I915_BREADCRUMB_INDEX 0x21
+
+/*
+ * add here for S3 support
+ */
+#define DPLL_A 0x06014
+#define DPLL_B 0x06018
+# define DPLL_VCO_ENABLE 0x80000000 /* (1 << 31) */
+# define DPLL_DVO_HIGH_SPEED (1 << 30)
+# define DPLL_SYNCLOCK_ENABLE (1 << 29)
+# define DPLL_VGA_MODE_DIS (1 << 28)
+# define DPLLB_MODE_DAC_SERIAL (1 << 26) /* i915 */
+# define DPLLB_MODE_LVDS (2 << 26) /* i915 */
+# define DPLL_MODE_MASK (3 << 26)
+# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */
+# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */
+# define DPLLB_LVDS_P2_CLOCK_DIV_14 (0 << 24) /* i915 */
+# define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */
+# define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */
+# define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */
+
+/**
+ * The i830 generation, in DAC/serial mode, defines p1 as two plus this
+ * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
+ */
+# define DPLL_FPA01_P1_POST_DIV_MASK_I830 0x001f0000
+/**
+ * The i830 generation, in LVDS mode, defines P1 as the bit number set within
+ * this field (only one bit may be set).
+ */
+# define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000
+# define DPLL_FPA01_P1_POST_DIV_SHIFT 16
+# define PLL_P2_DIVIDE_BY_4 (1 << 23) /* i830, required in DVO non-gang */
+# define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */
+# define PLL_REF_INPUT_DREFCLK (0 << 13)
+# define PLL_REF_INPUT_TVCLKINA (1 << 13) /* i830 */
+# define PLL_REF_INPUT_TVCLKINBC (2 << 13) /* SDVO TVCLKIN */
+# define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
+# define PLL_REF_INPUT_MASK (3 << 13)
+# define PLL_LOAD_PULSE_PHASE_SHIFT 9
+
+/* IGDNG */
+#define PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT 9
+#define PLL_REF_SDVO_HDMI_MULTIPLIER_MASK (7 << 9)
+#define PLL_REF_SDVO_HDMI_MULTIPLIER(x) (((x)-1) << 9)
+#define DPLL_FPA1_P1_POST_DIV_SHIFT 0
+#define DPLL_FPA1_P1_POST_DIV_MASK 0xff
+
+/*
+ * Parallel to Serial Load Pulse phase selection.
+ * Selects the phase for the 10X DPLL clock for the PCIe
+ * digital display port. The range is 4 to 13; 10 or more
+ * is just a flip delay. The default is 6
+ */
+# define PLL_LOAD_PULSE_PHASE_MASK (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
+# define DISPLAY_RATE_SELECT_FPA1 (1 << 8)
+
+/**
+ * SDVO multiplier for 945G/GM. Not used on 965.
+ *
+ * \sa DPLL_MD_UDI_MULTIPLIER_MASK
+ */
+# define SDVO_MULTIPLIER_MASK 0x000000ff
+# define SDVO_MULTIPLIER_SHIFT_HIRES 4
+# define SDVO_MULTIPLIER_SHIFT_VGA 0
+
+/** @defgroup DPLL_MD
+ * @{
+ */
+/** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
+#define DPLL_A_MD 0x0601c
+/** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
+#define DPLL_B_MD 0x06020
+/**
+ * UDI pixel divider, controlling how many pixels are stuffed into a packet.
+ *
+ * Value is pixels minus 1. Must be set to 1 pixel for SDVO.
+ */
+# define DPLL_MD_UDI_DIVIDER_MASK 0x3f000000
+# define DPLL_MD_UDI_DIVIDER_SHIFT 24
+/** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
+# define DPLL_MD_VGA_UDI_DIVIDER_MASK 0x003f0000
+# define DPLL_MD_VGA_UDI_DIVIDER_SHIFT 16
+/**
+ * SDVO/UDI pixel multiplier.
+ *
+ * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
+ * clock rate is 10 times the DPLL clock. At low resolution/refresh rate
+ * modes, the bus rate would be below the limits, so SDVO allows for stuffing
+ * dummy bytes in the datastream at an increased clock rate, with both sides of
+ * the link knowing how many bytes are fill.
+ *
+ * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
+ * rate to 130Mhz to get a bus rate of 1.30Ghz. The DPLL clock rate would be
+ * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
+ * through an SDVO command.
+ *
+ * This register field has values of multiplication factor minus 1, with
+ * a maximum multiplier of 5 for SDVO.
+ */
+# define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00
+# define DPLL_MD_UDI_MULTIPLIER_SHIFT 8
+/** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
+ * This best be set to the default value (3) or the CRT won't work. No,
+ * I don't entirely understand what this does...
+ */
+# define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f
+# define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
+/** @} */
+
+#define DPLL_TEST 0x606c
+# define DPLLB_TEST_SDVO_DIV_1 (0 << 22)
+# define DPLLB_TEST_SDVO_DIV_2 (1 << 22)
+# define DPLLB_TEST_SDVO_DIV_4 (2 << 22)
+# define DPLLB_TEST_SDVO_DIV_MASK (3 << 22)
+# define DPLLB_TEST_N_BYPASS (1 << 19)
+# define DPLLB_TEST_M_BYPASS (1 << 18)
+# define DPLLB_INPUT_BUFFER_ENABLE (1 << 16)
+# define DPLLA_TEST_N_BYPASS (1 << 3)
+# define DPLLA_TEST_M_BYPASS (1 << 2)
+# define DPLLA_INPUT_BUFFER_ENABLE (1 << 0)
+
+/*
+ * Palette registers
+ */
+#define PALETTE_A 0x0a000
+#define PALETTE_B 0x0a800
+
+/* MCH MMIO space */
+
+/*
+ * MCHBAR mirror.
+ *
+ * This mirrors the MCHBAR MMIO space whose location is determined by
+ * device 0 function 0's pci config register 0x44 or 0x48 and matches it in
+ * every way. It is not accessible from the CP register read instructions.
+ *
+ */
+#define MCHBAR_MIRROR_BASE 0x10000
+
+/** 915-945 and GM965 MCH register controlling DRAM channel access */
+#define DCC 0x10200
+#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL (0 << 0)
+#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC (1 << 0)
+#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED (2 << 0)
+#define DCC_ADDRESSING_MODE_MASK (3 << 0)
+#define DCC_CHANNEL_XOR_DISABLE (1 << 10)
+#define DCC_CHANNEL_XOR_BIT_17 (1 << 9)
+
+/** 965 MCH register controlling DRAM channel configuration */
+#define C0DRB3 0x10206
+#define C1DRB3 0x10606
+
+/** GM965 GM45 render standby register */
+#define MCHBAR_RENDER_STANDBY 0x111B8
+
+#define FPA0 0x06040
+#define FPA1 0x06044
+#define FPB0 0x06048
+#define FPB1 0x0604c
+
+#define D_STATE 0x6104
+#define CG_2D_DIS 0x6200
+#define CG_3D_DIS 0x6204
+
+#define MI_ARB_STATE 0x20e4
+
+/*
+ * Cache mode 0 reg.
+ * - Manipulating render cache behaviour is central
+ * to the concept of zone rendering, tuning this reg can help avoid
+ * unnecessary render cache reads and even writes (for z/stencil)
+ * at beginning and end of scene.
+ *
+ * - To change a bit, write to this reg with a mask bit set and the
+ * bit of interest either set or cleared. EG: (BIT<<16) | BIT to set.
+ */
+#define CACHE_MODE_0 0x2120
+
+/* I830 CRTC registers */
+#define HTOTAL_A 0x60000
+#define HBLANK_A 0x60004
+#define HSYNC_A 0x60008
+#define VTOTAL_A 0x6000c
+#define VBLANK_A 0x60010
+#define VSYNC_A 0x60014
+#define PIPEASRC 0x6001c
+#define BCLRPAT_A 0x60020
+#define VSYNCSHIFT_A 0x60028
+
+#define HTOTAL_B 0x61000
+#define HBLANK_B 0x61004
+#define HSYNC_B 0x61008
+#define VTOTAL_B 0x6100c
+#define VBLANK_B 0x61010
+#define VSYNC_B 0x61014
+#define PIPEBSRC 0x6101c
+#define BCLRPAT_B 0x61020
+#define VSYNCSHIFT_B 0x61028
+
+#define DSPACNTR 0x70180
+#define DSPBCNTR 0x71180
+#define DISPLAY_PLANE_ENABLE (1<<31)
+#define DISPLAY_PLANE_DISABLE 0
+#define DISPPLANE_GAMMA_ENABLE (1<<30)
+#define DISPPLANE_GAMMA_DISABLE 0
+#define DISPPLANE_PIXFORMAT_MASK (0xf<<26)
+#define DISPPLANE_8BPP (0x2<<26)
+#define DISPPLANE_15_16BPP (0x4<<26)
+#define DISPPLANE_16BPP (0x5<<26)
+#define DISPPLANE_32BPP_NO_ALPHA (0x6<<26)
+#define DISPPLANE_32BPP (0x7<<26)
+#define DISPPLANE_STEREO_ENABLE (1<<25)
+#define DISPPLANE_STEREO_DISABLE 0
+#define DISPPLANE_SEL_PIPE_MASK (1<<24)
+#define DISPPLANE_SEL_PIPE_A 0
+#define DISPPLANE_SEL_PIPE_B (1<<24)
+#define DISPPLANE_SRC_KEY_ENABLE (1<<22)
+#define DISPPLANE_SRC_KEY_DISABLE 0
+#define DISPPLANE_LINE_DOUBLE (1<<20)
+#define DISPPLANE_NO_LINE_DOUBLE 0
+#define DISPPLANE_STEREO_POLARITY_FIRST 0
+#define DISPPLANE_STEREO_POLARITY_SECOND (1<<18)
+/* plane B only */
+#define DISPPLANE_ALPHA_TRANS_ENABLE (1<<15)
+#define DISPPLANE_ALPHA_TRANS_DISABLE 0
+#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0
+#define DISPPLANE_SPRITE_ABOVE_OVERLAY (1)
+
+#define DSPABASE 0x70184
+#define DSPASTRIDE 0x70188
+
+#define DSPBBASE 0x71184
+#define DSPBADDR DSPBBASE
+#define DSPBSTRIDE 0x71188
+
+#define DSPAKEYVAL 0x70194
+#define DSPAKEYMASK 0x70198
+
+#define DSPAPOS 0x7018C /* reserved */
+#define DSPASIZE 0x70190
+#define DSPBPOS 0x7118C
+#define DSPBSIZE 0x71190
+
+#define DSPASURF 0x7019C
+#define DSPATILEOFF 0x701A4
+
+#define DSPBSURF 0x7119C
+#define DSPBTILEOFF 0x711A4
+
+#define PIPEACONF 0x70008
+#define PIPEACONF_ENABLE (1UL<<31)
+#define PIPEACONF_DISABLE 0
+#define PIPEACONF_DOUBLE_WIDE (1<<30)
+#define I965_PIPECONF_ACTIVE (1<<30)
+#define PIPEACONF_SINGLE_WIDE 0
+#define PIPEACONF_PIPE_UNLOCKED 0
+#define PIPEACONF_PIPE_LOCKED (1<<25)
+#define PIPEACONF_PALETTE 0
+#define PIPEACONF_GAMMA (1<<24)
+#define PIPECONF_FORCE_BORDER (1<<25)
+#define PIPECONF_PROGRESSIVE (0 << 21)
+#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21)
+#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21)
+
+#define PIPEBCONF 0x71008
+#define PIPEBCONF_ENABLE (1UL<<31)
+#define PIPEBCONF_DISABLE 0
+#define PIPEBCONF_DOUBLE_WIDE (1<<30)
+#define PIPEBCONF_DISABLE 0
+#define PIPEBCONF_GAMMA (1<<24)
+#define PIPEBCONF_PALETTE 0
+
+#define BLC_PWM_CTL 0x61254
+#define BACKLIGHT_MODULATION_FREQ_SHIFT (17)
+
+#define BLC_PWM_CTL2 0x61250
+
+#define PFIT_CONTROL 0x61230
+#define PFIT_PGM_RATIOS 0x61234
+
+/**
+ * Indicates that all dependencies of the panel are on:
+ *
+ * - PLL enabled
+ * - pipe enabled
+ * - LVDS/DVOB/DVOC on
+ */
+#define PP_READY (1 << 30)
+#define PP_SEQUENCE_NONE (0 << 28)
+#define PP_SEQUENCE_ON (1 << 28)
+#define PP_SEQUENCE_OFF (2 << 28)
+#define PP_SEQUENCE_MASK 0x30000000
+#define PP_CONTROL 0x61204
+#define POWER_TARGET_ON (1 << 0)
+
+#define LVDSPP_ON 0x61208
+#define LVDSPP_OFF 0x6120c
+#define PP_CYCLE 0x61210
+
+/* Framebuffer compression */
+#define FBC_CFB_BASE 0x03200 /* 4k page aligned */
+#define FBC_LL_BASE 0x03204 /* 4k page aligned */
+#define FBC_CONTROL 0x03208
+
+#define VGACNTRL 0x71400
+
+#define VCLK_DIVISOR_VGA0 0x6000
+#define VCLK_DIVISOR_VGA1 0x6004
+#define VCLK_POST_DIV 0x6010
+
+/* Framebuffer compression */
+#define FBC_CFB_BASE 0x03200 /* 4k page aligned */
+#define FBC_LL_BASE 0x03204 /* 4k page aligned */
+#define FBC_CONTROL 0x03208
+#define FBC_CTL_EN (1<<31)
+#define FBC_CTL_PERIODIC (1<<30)
+#define FBC_CTL_INTERVAL_SHIFT (16)
+#define FBC_CTL_UNCOMPRESSIBLE (1<<14)
+#define FBC_CTL_STRIDE_SHIFT (5)
+#define FBC_CTL_FENCENO (1<<0)
+#define FBC_COMMAND 0x0320c
+#define FBC_CMD_COMPRESS (1<<0)
+#define FBC_STATUS 0x03210
+#define FBC_STAT_COMPRESSING (1<<31)
+#define FBC_STAT_COMPRESSED (1<<30)
+#define FBC_STAT_MODIFIED (1<<29)
+#define FBC_STAT_CURRENT_LINE (1<<0)
+#define FBC_CONTROL2 0x03214
+#define FBC_CTL_FENCE_DBL (0<<4)
+#define FBC_CTL_IDLE_IMM (0<<2)
+#define FBC_CTL_IDLE_FULL (1<<2)
+#define FBC_CTL_IDLE_LINE (2<<2)
+#define FBC_CTL_IDLE_DEBUG (3<<2)
+#define FBC_CTL_CPU_FENCE (1<<1)
+#define FBC_CTL_PLANEA (0<<0)
+#define FBC_CTL_PLANEB (1<<0)
+#define FBC_FENCE_OFF 0x0321b
+
+#define FBC_LL_SIZE (1536)
+#define FBC_LL_PAD (32)
+
+#define DSPARB 0x70030
+
+#define PIPEAFRAMEHIGH 0x70040
+#define PIPEBFRAMEHIGH 0x71040
+#define PIPE_FRAME_HIGH_MASK 0x0000ffff
+#define PIPE_FRAME_HIGH_SHIFT 0
+#define PIPEAFRAMEPIXEL 0x70044
+#define PIPEBFRAMEPIXEL 0x71044
+
+#define PIPE_FRAME_LOW_MASK 0xff000000
+#define PIPE_FRAME_LOW_SHIFT 24
+
+/* Interrupt bits:
+ */
+#define I915_PIPE_CONTROL_NOTIFY_INTERRUPT (1<<18)
+#define I915_DISPLAY_PORT_INTERRUPT (1<<17)
+#define I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT (1<<15)
+#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT (1<<14)
+#define I915_HWB_OOM_INTERRUPT (1<<13) /* binner out of memory */
+#define I915_SYNC_STATUS_INTERRUPT (1<<12)
+#define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT (1<<11)
+#define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT (1<<10)
+#define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT (1<<9)
+#define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT (1<<8)
+#define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT (1<<7)
+#define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT (1<<6)
+#define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT (1<<5)
+#define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT (1<<4)
+#define I915_DEBUG_INTERRUPT (1<<2)
+#define I915_USER_INTERRUPT (1<<1)
+#define I915_ASLE_INTERRUPT (1<<0)
+
+#define I915_FIFO_UNDERRUN_STATUS (1UL<<31)
+#define I915_CRC_ERROR_ENABLE (1UL<<29)
+#define I915_CRC_DONE_ENABLE (1UL<<28)
+#define I915_GMBUS_EVENT_ENABLE (1UL<<27)
+#define I915_VSYNC_INTERRUPT_ENABLE (1UL<<25)
+#define I915_DISPLAY_LINE_COMPARE_ENABLE (1UL<<24)
+#define I915_DPST_EVENT_ENABLE (1UL<<23)
+#define I915_LEGACY_BLC_EVENT_ENABLE (1UL<<22)
+#define I915_ODD_FIELD_INTERRUPT_ENABLE (1UL<<21)
+#define I915_EVEN_FIELD_INTERRUPT_ENABLE (1UL<<20)
+#define PIPE_START_VBLANK_INTERRUPT_ENABLE (1UL<<18) /* 965 or later */
+#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
+#define I915_OVERLAY_UPDATED_ENABLE (1UL<<16)
+#define I915_CRC_ERROR_INTERRUPT_STATUS (1UL<<13)
+#define I915_CRC_DONE_INTERRUPT_STATUS (1UL<<12)
+#define I915_GMBUS_INTERRUPT_STATUS (1UL<<11)
+#define I915_VSYNC_INTERRUPT_STATUS (1UL<<9)
+#define I915_DISPLAY_LINE_COMPARE_STATUS (1UL<<8)
+#define I915_DPST_EVENT_STATUS (1UL<<7)
+#define I915_LEGACY_BLC_EVENT_STATUS (1UL<<6)
+#define I915_ODD_FIELD_INTERRUPT_STATUS (1UL<<5)
+#define I915_EVEN_FIELD_INTERRUPT_STATUS (1UL<<4)
+#define PIPE_START_VBLANK_INTERRUPT_STATUS (1UL<<2) /* 965 or later */
+#define PIPE_VBLANK_INTERRUPT_STATUS (1UL<<1)
+#define I915_OVERLAY_UPDATED_STATUS (1UL<<0)
+
+/* GM45+ just has to be different */
+#define PIPEA_FRMCOUNT_GM45 0x70040
+#define PIPEA_FLIPCOUNT_GM45 0x70044
+#define PIPEB_FRMCOUNT_GM45 0x71040
+#define PIPEB_FLIPCOUNT_GM45 0x71044
+
+/*
+ * Some BIOS scratch area registers. The 845 (and 830?) store the amount
+ * of video memory available to the BIOS in SWF1.
+ */
+
+#define SWF0 0x71410
+
+/*
+ * 855 scratch registers.
+ */
+#define SWF10 0x70410
+
+#define SWF30 0x72414
+
+/* IGDNG */
+
+#define CPU_VGACNTRL 0x41000
+
+#define DIGITAL_PORT_HOTPLUG_CNTRL 0x44030
+#define DIGITAL_PORTA_HOTPLUG_ENABLE (1 << 4)
+#define DIGITAL_PORTA_SHORT_PULSE_2MS (0 << 2)
+#define DIGITAL_PORTA_SHORT_PULSE_4_5MS (1 << 2)
+#define DIGITAL_PORTA_SHORT_PULSE_6MS (2 << 2)
+#define DIGITAL_PORTA_SHORT_PULSE_100MS (3 << 2)
+#define DIGITAL_PORTA_NO_DETECT (0 << 0)
+#define DIGITAL_PORTA_LONG_PULSE_DETECT_MASK (1 << 1)
+#define DIGITAL_PORTA_SHORT_PULSE_DETECT_MASK (1 << 0)
+
+/* refresh rate hardware control */
+#define RR_HW_CTL 0x45300
+#define RR_HW_LOW_POWER_FRAMES_MASK 0xff
+#define RR_HW_HIGH_POWER_FRAMES_MASK 0xff00
+
+#define FDI_PLL_BIOS_0 0x46000
+#define FDI_PLL_BIOS_1 0x46004
+#define FDI_PLL_BIOS_2 0x46008
+#define DISPLAY_PORT_PLL_BIOS_0 0x4600c
+#define DISPLAY_PORT_PLL_BIOS_1 0x46010
+#define DISPLAY_PORT_PLL_BIOS_2 0x46014
+
+#define FDI_PLL_FREQ_CTL 0x46030
+#define FDI_PLL_FREQ_CHANGE_REQUEST (1<<24)
+#define FDI_PLL_FREQ_LOCK_LIMIT_MASK 0xfff00
+#define FDI_PLL_FREQ_DISABLE_COUNT_LIMIT_MASK 0xff
+
+
+#define PIPEA_DATA_M1 0x60030
+#define TU_SIZE(x) (((x)-1) << 25) /* default size 64 */
+#define TU_SIZE_MASK 0x7e000000
+#define PIPEA_DATA_M1_OFFSET 0
+#define PIPEA_DATA_N1 0x60034
+#define PIPEA_DATA_N1_OFFSET 0
+
+#define PIPEA_DATA_M2 0x60038
+#define PIPEA_DATA_M2_OFFSET 0
+#define PIPEA_DATA_N2 0x6003c
+#define PIPEA_DATA_N2_OFFSET 0
+
+#define PIPEA_LINK_M1 0x60040
+#define PIPEA_LINK_M1_OFFSET 0
+#define PIPEA_LINK_N1 0x60044
+#define PIPEA_LINK_N1_OFFSET 0
+
+#define PIPEA_LINK_M2 0x60048
+#define PIPEA_LINK_M2_OFFSET 0
+#define PIPEA_LINK_N2 0x6004c
+#define PIPEA_LINK_N2_OFFSET 0
+
+/* PIPEB timing regs are same start from 0x61000 */
+
+#define PIPEB_DATA_M1 0x61030
+#define PIPEB_DATA_M1_OFFSET 0
+#define PIPEB_DATA_N1 0x61034
+#define PIPEB_DATA_N1_OFFSET 0
+
+#define PIPEB_DATA_M2 0x61038
+#define PIPEB_DATA_M2_OFFSET 0
+#define PIPEB_DATA_N2 0x6103c
+#define PIPEB_DATA_N2_OFFSET 0
+
+#define PIPEB_LINK_M1 0x61040
+#define PIPEB_LINK_M1_OFFSET 0
+#define PIPEB_LINK_N1 0x61044
+#define PIPEB_LINK_N1_OFFSET 0
+
+#define PIPEB_LINK_M2 0x61048
+#define PIPEB_LINK_M2_OFFSET 0
+#define PIPEB_LINK_N2 0x6104c
+#define PIPEB_LINK_N2_OFFSET 0
+
+/* CPU panel fitter */
+#define PFA_CTL_1 0x68080
+#define PFB_CTL_1 0x68880
+#define PF_ENABLE (1<<31)
+
+/* legacy palette */
+#define LGC_PALETTE_A 0x4a000
+#define LGC_PALETTE_B 0x4a800
+
+/* interrupts */
+#define DE_MASTER_IRQ_CONTROL (0x80000000)
+#define DE_SPRITEB_FLIP_DONE (1 << 29)
+#define DE_SPRITEA_FLIP_DONE (1 << 28)
+#define DE_PLANEB_FLIP_DONE (1 << 27)
+#define DE_PLANEA_FLIP_DONE (1 << 26)
+#define DE_PCU_EVENT (1 << 25)
+#define DE_GTT_FAULT (1 << 24)
+#define DE_POISON (1 << 23)
+#define DE_PERFORM_COUNTER (1 << 22)
+#define DE_PCH_EVENT (1 << 21)
+#define DE_AUX_CHANNEL_A (1 << 20)
+#define DE_DP_A_HOTPLUG (1 << 19)
+#define DE_GSE (1 << 18)
+#define DE_PIPEB_VBLANK (1 << 15)
+#define DE_PIPEB_EVEN_FIELD (1 << 14)
+#define DE_PIPEB_ODD_FIELD (1 << 13)
+#define DE_PIPEB_LINE_COMPARE (1 << 12)
+#define DE_PIPEB_VSYNC (1 << 11)
+#define DE_PIPEB_FIFO_UNDERRUN (1 << 8)
+#define DE_PIPEA_VBLANK (1 << 7)
+#define DE_PIPEA_EVEN_FIELD (1 << 6)
+#define DE_PIPEA_ODD_FIELD (1 << 5)
+#define DE_PIPEA_LINE_COMPARE (1 << 4)
+#define DE_PIPEA_VSYNC (1 << 3)
+#define DE_PIPEA_FIFO_UNDERRUN (1 << 0)
+
+#define DEISR 0x44000
+#define DEIMR 0x44004
+#define DEIIR 0x44008
+#define DEIER 0x4400c
+
+/* GT interrupt */
+#define GT_SYNC_STATUS (1 << 2)
+#define GT_USER_INTERRUPT (1 << 0)
+
+#define GTISR 0x44010
+#define GTIMR 0x44014
+#define GTIIR 0x44018
+#define GTIER 0x4401c
+
+/* PCH */
+
+/* south display engine interrupt */
+#define SDE_CRT_HOTPLUG (1 << 11)
+#define SDE_PORTD_HOTPLUG (1 << 10)
+#define SDE_PORTC_HOTPLUG (1 << 9)
+#define SDE_PORTB_HOTPLUG (1 << 8)
+#define SDE_SDVOB_HOTPLUG (1 << 6)
+
+#define SDEISR 0xc4000
+#define SDEIMR 0xc4004
+#define SDEIIR 0xc4008
+#define SDEIER 0xc400c
+
+/* digital port hotplug */
+#define PCH_PORT_HOTPLUG 0xc4030
+#define PORTD_HOTPLUG_ENABLE (1 << 20)
+#define PORTD_PULSE_DURATION_2ms (0)
+#define PORTD_PULSE_DURATION_4_5ms (1 << 18)
+#define PORTD_PULSE_DURATION_6ms (2 << 18)
+#define PORTD_PULSE_DURATION_100ms (3 << 18)
+#define PORTD_HOTPLUG_NO_DETECT (0)
+#define PORTD_HOTPLUG_SHORT_DETECT (1 << 16)
+#define PORTD_HOTPLUG_LONG_DETECT (1 << 17)
+#define PORTC_HOTPLUG_ENABLE (1 << 12)
+#define PORTC_PULSE_DURATION_2ms (0)
+#define PORTC_PULSE_DURATION_4_5ms (1 << 10)
+#define PORTC_PULSE_DURATION_6ms (2 << 10)
+#define PORTC_PULSE_DURATION_100ms (3 << 10)
+#define PORTC_HOTPLUG_NO_DETECT (0)
+#define PORTC_HOTPLUG_SHORT_DETECT (1 << 8)
+#define PORTC_HOTPLUG_LONG_DETECT (1 << 9)
+#define PORTB_HOTPLUG_ENABLE (1 << 4)
+#define PORTB_PULSE_DURATION_2ms (0)
+#define PORTB_PULSE_DURATION_4_5ms (1 << 2)
+#define PORTB_PULSE_DURATION_6ms (2 << 2)
+#define PORTB_PULSE_DURATION_100ms (3 << 2)
+#define PORTB_HOTPLUG_NO_DETECT (0)
+#define PORTB_HOTPLUG_SHORT_DETECT (1 << 0)
+#define PORTB_HOTPLUG_LONG_DETECT (1 << 1)
+
+#define PCH_GPIOA 0xc5010
+#define PCH_GPIOB 0xc5014
+#define PCH_GPIOC 0xc5018
+#define PCH_GPIOD 0xc501c
+#define PCH_GPIOE 0xc5020
+#define PCH_GPIOF 0xc5024
+
+#define PCH_DPLL_A 0xc6014
+#define PCH_DPLL_B 0xc6018
+
+#define PCH_FPA0 0xc6040
+#define PCH_FPA1 0xc6044
+#define PCH_FPB0 0xc6048
+#define PCH_FPB1 0xc604c
+
+#define PCH_DPLL_TEST 0xc606c
+
+#define PCH_DREF_CONTROL 0xC6200
+#define DREF_CONTROL_MASK 0x7fc3
+#define DREF_CPU_SOURCE_OUTPUT_DISABLE (0<<13)
+#define DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD (2<<13)
+#define DREF_CPU_SOURCE_OUTPUT_NONSPREAD (3<<13)
+#define DREF_CPU_SOURCE_OUTPUT_MASK (3<<13)
+#define DREF_SSC_SOURCE_DISABLE (0<<11)
+#define DREF_SSC_SOURCE_ENABLE (2<<11)
+#define DREF_SSC_SOURCE_MASK (2<<11)
+#define DREF_NONSPREAD_SOURCE_DISABLE (0<<9)
+#define DREF_NONSPREAD_CK505_ENABLE (1<<9)
+#define DREF_NONSPREAD_SOURCE_ENABLE (2<<9)
+#define DREF_NONSPREAD_SOURCE_MASK (2<<9)
+#define DREF_SUPERSPREAD_SOURCE_DISABLE (0<<7)
+#define DREF_SUPERSPREAD_SOURCE_ENABLE (2<<7)
+#define DREF_SSC4_DOWNSPREAD (0<<6)
+#define DREF_SSC4_CENTERSPREAD (1<<6)
+#define DREF_SSC1_DISABLE (0<<1)
+#define DREF_SSC1_ENABLE (1<<1)
+#define DREF_SSC4_DISABLE (0)
+#define DREF_SSC4_ENABLE (1)
+
+#define PCH_RAWCLK_FREQ 0xc6204
+#define FDL_TP1_TIMER_SHIFT 12
+#define FDL_TP1_TIMER_MASK (3<<12)
+#define FDL_TP2_TIMER_SHIFT 10
+#define FDL_TP2_TIMER_MASK (3<<10)
+#define RAWCLK_FREQ_MASK 0x3ff
+
+#define PCH_DPLL_TMR_CFG 0xc6208
+
+#define PCH_SSC4_PARMS 0xc6210
+#define PCH_SSC4_AUX_PARMS 0xc6214
+
+/* transcoder */
+
+#define TRANS_HTOTAL_A 0xe0000
+#define TRANS_HTOTAL_SHIFT 16
+#define TRANS_HACTIVE_SHIFT 0
+#define TRANS_HBLANK_A 0xe0004
+#define TRANS_HBLANK_END_SHIFT 16
+#define TRANS_HBLANK_START_SHIFT 0
+#define TRANS_HSYNC_A 0xe0008
+#define TRANS_HSYNC_END_SHIFT 16
+#define TRANS_HSYNC_START_SHIFT 0
+#define TRANS_VTOTAL_A 0xe000c
+#define TRANS_VTOTAL_SHIFT 16
+#define TRANS_VACTIVE_SHIFT 0
+#define TRANS_VBLANK_A 0xe0010
+#define TRANS_VBLANK_END_SHIFT 16
+#define TRANS_VBLANK_START_SHIFT 0
+#define TRANS_VSYNC_A 0xe0014
+#define TRANS_VSYNC_END_SHIFT 16
+#define TRANS_VSYNC_START_SHIFT 0
+
+#define TRANSA_DATA_M1 0xe0030
+#define TRANSA_DATA_N1 0xe0034
+#define TRANSA_DATA_M2 0xe0038
+#define TRANSA_DATA_N2 0xe003c
+#define TRANSA_DP_LINK_M1 0xe0040
+#define TRANSA_DP_LINK_N1 0xe0044
+#define TRANSA_DP_LINK_M2 0xe0048
+#define TRANSA_DP_LINK_N2 0xe004c
+
+#define TRANS_HTOTAL_B 0xe1000
+#define TRANS_HBLANK_B 0xe1004
+#define TRANS_HSYNC_B 0xe1008
+#define TRANS_VTOTAL_B 0xe100c
+#define TRANS_VBLANK_B 0xe1010
+#define TRANS_VSYNC_B 0xe1014
+
+#define TRANSB_DATA_M1 0xe1030
+#define TRANSB_DATA_N1 0xe1034
+#define TRANSB_DATA_M2 0xe1038
+#define TRANSB_DATA_N2 0xe103c
+#define TRANSB_DP_LINK_M1 0xe1040
+#define TRANSB_DP_LINK_N1 0xe1044
+#define TRANSB_DP_LINK_M2 0xe1048
+#define TRANSB_DP_LINK_N2 0xe104c
+
+#define TRANSACONF 0xf0008
+#define TRANSBCONF 0xf1008
+#define TRANS_DISABLE (0<<31)
+#define TRANS_ENABLE (1<<31)
+#define TRANS_STATE_MASK (1<<30)
+#define TRANS_STATE_DISABLE (0<<30)
+#define TRANS_STATE_ENABLE (1<<30)
+#define TRANS_FSYNC_DELAY_HB1 (0<<27)
+#define TRANS_FSYNC_DELAY_HB2 (1<<27)
+#define TRANS_FSYNC_DELAY_HB3 (2<<27)
+#define TRANS_FSYNC_DELAY_HB4 (3<<27)
+#define TRANS_DP_AUDIO_ONLY (1<<26)
+#define TRANS_DP_VIDEO_AUDIO (0<<26)
+#define TRANS_PROGRESSIVE (0<<21)
+#define TRANS_8BPC (0<<5)
+#define TRANS_10BPC (1<<5)
+#define TRANS_6BPC (2<<5)
+#define TRANS_12BPC (3<<5)
+
+#define FDI_RXA_CHICKEN 0xc200c
+#define FDI_RXB_CHICKEN 0xc2010
+#define FDI_RX_PHASE_SYNC_POINTER_ENABLE (1)
+
+/* CPU: FDI_TX */
+#define FDI_TXA_CTL 0x60100
+#define FDI_TXB_CTL 0x61100
+#define FDI_TX_DISABLE (0<<31)
+#define FDI_TX_ENABLE (1<<31)
+#define FDI_LINK_TRAIN_PATTERN_1 (0<<28)
+#define FDI_LINK_TRAIN_PATTERN_2 (1<<28)
+#define FDI_LINK_TRAIN_PATTERN_IDLE (2<<28)
+#define FDI_LINK_TRAIN_NONE (3<<28)
+#define FDI_LINK_TRAIN_VOLTAGE_0_4V (0<<25)
+#define FDI_LINK_TRAIN_VOLTAGE_0_6V (1<<25)
+#define FDI_LINK_TRAIN_VOLTAGE_0_8V (2<<25)
+#define FDI_LINK_TRAIN_VOLTAGE_1_2V (3<<25)
+#define FDI_LINK_TRAIN_PRE_EMPHASIS_NONE (0<<22)
+#define FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X (1<<22)
+#define FDI_LINK_TRAIN_PRE_EMPHASIS_2X (2<<22)
+#define FDI_LINK_TRAIN_PRE_EMPHASIS_3X (3<<22)
+#define FDI_DP_PORT_WIDTH_X1 (0<<19)
+#define FDI_DP_PORT_WIDTH_X2 (1<<19)
+#define FDI_DP_PORT_WIDTH_X3 (2<<19)
+#define FDI_DP_PORT_WIDTH_X4 (3<<19)
+#define FDI_TX_ENHANCE_FRAME_ENABLE (1<<18)
+/* IGDNG: hardwired to 1 */
+#define FDI_TX_PLL_ENABLE (1<<14)
+/* both Tx and Rx */
+#define FDI_SCRAMBLING_ENABLE (0<<7)
+#define FDI_SCRAMBLING_DISABLE (1<<7)
+
+/* FDI_RX, FDI_X is hard-wired to Transcoder_X */
+#define FDI_RXA_CTL 0xf000c
+#define FDI_RXB_CTL 0xf100c
+#define FDI_RX_ENABLE (1<<31)
+#define FDI_RX_DISABLE (0<<31)
+/* train, dp width same as FDI_TX */
+#define FDI_DP_PORT_WIDTH_X8 (7<<19)
+#define FDI_8BPC (0<<16)
+#define FDI_10BPC (1<<16)
+#define FDI_6BPC (2<<16)
+#define FDI_12BPC (3<<16)
+#define FDI_LINK_REVERSE_OVERWRITE (1<<15)
+#define FDI_DMI_LINK_REVERSE_MASK (1<<14)
+#define FDI_RX_PLL_ENABLE (1<<13)
+#define FDI_FS_ERR_CORRECT_ENABLE (1<<11)
+#define FDI_FE_ERR_CORRECT_ENABLE (1<<10)
+#define FDI_FS_ERR_REPORT_ENABLE (1<<9)
+#define FDI_FE_ERR_REPORT_ENABLE (1<<8)
+#define FDI_RX_ENHANCE_FRAME_ENABLE (1<<6)
+#define FDI_SEL_RAWCLK (0<<4)
+#define FDI_SEL_PCDCLK (1<<4)
+
+#define FDI_RXA_MISC 0xf0010
+#define FDI_RXB_MISC 0xf1010
+#define FDI_RXA_TUSIZE1 0xf0030
+#define FDI_RXA_TUSIZE2 0xf0038
+#define FDI_RXB_TUSIZE1 0xf1030
+#define FDI_RXB_TUSIZE2 0xf1038
+
+/* FDI_RX interrupt register format */
+#define FDI_RX_INTER_LANE_ALIGN (1<<10)
+#define FDI_RX_SYMBOL_LOCK (1<<9) /* train 2 */
+#define FDI_RX_BIT_LOCK (1<<8) /* train 1 */
+#define FDI_RX_TRAIN_PATTERN_2_FAIL (1<<7)
+#define FDI_RX_FS_CODE_ERR (1<<6)
+#define FDI_RX_FE_CODE_ERR (1<<5)
+#define FDI_RX_SYMBOL_ERR_RATE_ABOVE (1<<4)
+#define FDI_RX_HDCP_LINK_FAIL (1<<3)
+#define FDI_RX_PIXEL_FIFO_OVERFLOW (1<<2)
+#define FDI_RX_CROSS_CLOCK_OVERFLOW (1<<1)
+#define FDI_RX_SYMBOL_QUEUE_OVERFLOW (1<<0)
+
+#define FDI_RXA_IIR 0xf0014
+#define FDI_RXA_IMR 0xf0018
+#define FDI_RXB_IIR 0xf1014
+#define FDI_RXB_IMR 0xf1018
+
+#define FDI_PLL_CTL_1 0xfe000
+#define FDI_PLL_CTL_2 0xfe004
+
+/* CRT */
+#define PCH_ADPA 0xe1100
+#define ADPA_TRANS_SELECT_MASK (1<<30)
+#define ADPA_TRANS_A_SELECT 0
+#define ADPA_TRANS_B_SELECT (1<<30)
+#define ADPA_CRT_HOTPLUG_MASK 0x03ff0000 /* bit 25-16 */
+#define ADPA_CRT_HOTPLUG_MONITOR_NONE (0<<24)
+#define ADPA_CRT_HOTPLUG_MONITOR_MASK (3<<24)
+#define ADPA_CRT_HOTPLUG_MONITOR_COLOR (3<<24)
+#define ADPA_CRT_HOTPLUG_MONITOR_MONO (2<<24)
+#define ADPA_CRT_HOTPLUG_ENABLE (1<<23)
+#define ADPA_CRT_HOTPLUG_PERIOD_64 (0<<22)
+#define ADPA_CRT_HOTPLUG_PERIOD_128 (1<<22)
+#define ADPA_CRT_HOTPLUG_WARMUP_5MS (0<<21)
+#define ADPA_CRT_HOTPLUG_WARMUP_10MS (1<<21)
+#define ADPA_CRT_HOTPLUG_SAMPLE_2S (0<<20)
+#define ADPA_CRT_HOTPLUG_SAMPLE_4S (1<<20)
+#define ADPA_CRT_HOTPLUG_VOLTAGE_40 (0<<18)
+#define ADPA_CRT_HOTPLUG_VOLTAGE_50 (1<<18)
+#define ADPA_CRT_HOTPLUG_VOLTAGE_60 (2<<18)
+#define ADPA_CRT_HOTPLUG_VOLTAGE_70 (3<<18)
+#define ADPA_CRT_HOTPLUG_VOLREF_325MV (0<<17)
+#define ADPA_CRT_HOTPLUG_VOLREF_475MV (1<<17)
+#define ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)
+
+/* or SDVOB */
+#define HDMIB 0xe1140
+#define PORT_ENABLE (1 << 31)
+#define TRANSCODER_A (0)
+#define TRANSCODER_B (1 << 30)
+#define COLOR_FORMAT_8bpc (0)
+#define COLOR_FORMAT_12bpc (3 << 26)
+#define SDVOB_HOTPLUG_ENABLE (1 << 23)
+#define SDVO_ENCODING (0)
+#define TMDS_ENCODING (2 << 10)
+#define NULL_PACKET_VSYNC_ENABLE (1 << 9)
+#define SDVOB_BORDER_ENABLE (1 << 7)
+#define AUDIO_ENABLE (1 << 6)
+#define VSYNC_ACTIVE_HIGH (1 << 4)
+#define HSYNC_ACTIVE_HIGH (1 << 3)
+#define PORT_DETECTED (1 << 2)
+
+#define HDMIC 0xe1150
+#define HDMID 0xe1160
+
+#define PCH_LVDS 0xe1180
+#define LVDS_DETECTED (1 << 1)
+
+#define BLC_PWM_CPU_CTL2 0x48250
+#define PWM_ENABLE (1 << 31)
+#define PWM_PIPE_A (0 << 29)
+#define PWM_PIPE_B (1 << 29)
+#define BLC_PWM_CPU_CTL 0x48254
+
+#define BLC_PWM_PCH_CTL1 0xc8250
+#define PWM_PCH_ENABLE (1 << 31)
+#define PWM_POLARITY_ACTIVE_LOW (1 << 29)
+#define PWM_POLARITY_ACTIVE_HIGH (0 << 29)
+#define PWM_POLARITY_ACTIVE_LOW2 (1 << 28)
+#define PWM_POLARITY_ACTIVE_HIGH2 (0 << 28)
+
+#define BLC_PWM_PCH_CTL2 0xc8254
+
+#define PCH_PP_STATUS 0xc7200
+#define PCH_PP_CONTROL 0xc7204
+#define EDP_FORCE_VDD (1 << 3)
+#define EDP_BLC_ENABLE (1 << 2)
+#define PANEL_POWER_RESET (1 << 1)
+#define PANEL_POWER_OFF (0 << 0)
+#define PANEL_POWER_ON (1 << 0)
+#define PCH_PP_ON_DELAYS 0xc7208
+#define EDP_PANEL (1 << 30)
+#define PCH_PP_OFF_DELAYS 0xc720c
+#define PCH_PP_DIVISOR 0xc7210
+
+#define PCI_DEVICE_ID_INTEL_82830_CGC 0x3577
+#define PCI_DEVICE_ID_INTEL_82845G_IG 0x2562
+#define PCI_DEVICE_ID_INTEL_82855GM_IG 0x3582
+#define PCI_DEVICE_ID_INTEL_82865_IG 0x2572
+#define PCI_DEVICE_ID_INTEL_82915G_IG 0x2582
+#define PCI_DEVICE_ID_INTEL_82915GM_IG 0x2592
+#define PCI_DEVICE_ID_INTEL_82945G_IG 0x2772
+#define PCI_DEVICE_ID_INTEL_82945GM_IG 0x27A2
+#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
+#define PCI_DEVICE_ID_INTEL_82946_GZ 0x2972
+#define PCI_DEVICE_ID_INTEL_82G35_IG 0x2982
+#define PCI_DEVICE_ID_INTEL_82Q963_IG 0x2992
+#define PCI_DEVICE_ID_INTEL_82G965_IG 0x29a2
+#define PCI_DEVICE_ID_INTEL_GM965_IG 0x2a02
+#define PCI_DEVICE_ID_INTEL_GME965_IG 0x2a12
+#define PCI_DEVICE_ID_INTEL_82G33_IG 0x29c2
+#define PCI_DEVICE_ID_INTEL_82Q35_IG 0x29b2
+#define PCI_DEVICE_ID_INTEL_82Q33_IG 0x29d2
+#define PCI_DEVICE_ID_INTEL_CANTIGA_IG 0x2a42
+#define PCI_DEVICE_ID_INTEL_EL_IG 0x2e02
+#define PCI_DEVICE_ID_INTEL_82Q45_IG 0x2e12
+#define PCI_DEVICE_ID_INTEL_82G45_IG 0x2e22
+#define PCI_DEVICE_ID_INTEL_82G41_IG 0x2e32
+#define PCI_DEVICE_ID_INTEL_IGDNG_D_IG 0x42
+#define PCI_DEVICE_ID_INTEL_IGDNG_M_IG 0x46
+#define PCI_DEVICE_ID_INTEL_82B43_IG 0x2e42
+
+
+#define IS_I830(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82830_CGC)
+#define IS_845G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82845G_IG)
+#define IS_I85X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
+#define IS_I855(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG)
+#define IS_I865G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82865_IG)
+
+#define IS_I915G(dev) (dev->pci_device == PCI_DEVICE_ID_INTEL_82915G_IG)
+#define IS_I915GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82915GM_IG)
+#define IS_I945G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945G_IG)
+#define IS_I945GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GM_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GME_IG)
+
+#define IS_IGDNG_D(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_D_IG)
+#define IS_IGDNG_M(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_M_IG)
+#define IS_IGDNG(dev) (IS_IGDNG_D(dev) || IS_IGDNG_M(dev))
+
+#define IS_I965G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82946_GZ || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G35_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q963_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G965_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_GME965_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82B43_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_D_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_IGDNG_M_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G41_IG)
+
+#define IS_I965GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_GM965_IG)
+
+#define IS_GM45(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_CANTIGA_IG)
+
+#define IS_G4X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_EL_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q45_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G45_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82B43_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82G41_IG)
+
+#define IS_G33(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82G33_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q35_IG || \
+ (dev)->pci_device == PCI_DEVICE_ID_INTEL_82Q33_IG)
+
+#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
+ IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev) || \
+ IS_IGDNG(dev))
+
+#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
+ IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
+ IS_IGDNG_M(dev))
+
+#define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
+#define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
+#define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
+
+#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev) || \
+ IS_IGDNG(dev))
+/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
+ * rows, which changed the alignment requirements and fence programming.
+ */
+#define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
+ IS_I915GM(dev)))
+
+#endif /* _I915_DRV_H */