i915: remove settable use_mi_batchbuffer_start

[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / i915_drv.h

/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
 */
/*
 *
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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.
 *
 */

#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             "20060119"

/* 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

typedef struct _drm_i915_ring_buffer {
        int tail_mask;
        unsigned long Start;
        unsigned long End;
        unsigned long Size;
        u8 *virtual_start;
        int head;
        int tail;
        int space;
        drm_local_map_t map;
} drm_i915_ring_buffer_t;

struct mem_block {
        struct mem_block *next;
        struct mem_block *prev;
        int start;
        int size;
        struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
};

typedef struct _drm_i915_vbl_swap {
        struct list_head head;
        drm_drawable_t drw_id;
        unsigned int pipe;
        unsigned int sequence;
} drm_i915_vbl_swap_t;

typedef struct drm_i915_private {
        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;
        unsigned long counter;
        unsigned int status_gfx_addr;
        drm_local_map_t hws_map;

        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;
        atomic_t irq_emitted;

        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 swaps_lock;
        drm_i915_vbl_swap_t vbl_swaps;
        unsigned int swaps_pending;

        /* Register state */
        u8 saveLBB;
        u32 saveDSPACNTR;
        u32 saveDSPBCNTR;
        u32 saveDSPARB;
        u32 savePIPEACONF;
        u32 savePIPEBCONF;
        u32 savePIPEASRC;
        u32 savePIPEBSRC;
        u32 saveFPA0;
        u32 saveFPA1;
        u32 saveDPLL_A;
        u32 saveDPLL_A_MD;
        u32 saveHTOTAL_A;
        u32 saveHBLANK_A;
        u32 saveHSYNC_A;
        u32 saveVTOTAL_A;
        u32 saveVBLANK_A;
        u32 saveVSYNC_A;
        u32 saveBCLRPAT_A;
        u32 savePIPEASTAT;
        u32 saveDSPASTRIDE;
        u32 saveDSPASIZE;
        u32 saveDSPAPOS;
        u32 saveDSPABASE;
        u32 saveDSPASURF;
        u32 saveDSPATILEOFF;
        u32 savePFIT_PGM_RATIOS;
        u32 saveBLC_PWM_CTL;
        u32 saveBLC_PWM_CTL2;
        u32 saveFPB0;
        u32 saveFPB1;
        u32 saveDPLL_B;
        u32 saveDPLL_B_MD;
        u32 saveHTOTAL_B;
        u32 saveHBLANK_B;
        u32 saveHSYNC_B;
        u32 saveVTOTAL_B;
        u32 saveVBLANK_B;
        u32 saveVSYNC_B;
        u32 saveBCLRPAT_B;
        u32 savePIPEBSTAT;
        u32 saveDSPBSTRIDE;
        u32 saveDSPBSIZE;
        u32 saveDSPBPOS;
        u32 saveDSPBBASE;
        u32 saveDSPBSURF;
        u32 saveDSPBTILEOFF;
        u32 saveVCLK_DIVISOR_VGA0;
        u32 saveVCLK_DIVISOR_VGA1;
        u32 saveVCLK_POST_DIV;
        u32 saveVGACNTRL;
        u32 saveADPA;
        u32 saveLVDS;
        u32 saveLVDSPP_ON;
        u32 saveLVDSPP_OFF;
        u32 saveDVOA;
        u32 saveDVOB;
        u32 saveDVOC;
        u32 savePP_ON;
        u32 savePP_OFF;
        u32 savePP_CONTROL;
        u32 savePP_CYCLE;
        u32 savePFIT_CONTROL;
        u32 save_palette_a[256];
        u32 save_palette_b[256];
        u32 saveFBC_CFB_BASE;
        u32 saveFBC_LL_BASE;
        u32 saveFBC_CONTROL;
        u32 saveFBC_CONTROL2;
        u32 saveIER;
        u32 saveIIR;
        u32 saveIMR;
        u32 saveCACHE_MODE_0;
        u32 saveD_STATE;
        u32 saveDSPCLK_GATE_D;
        u32 saveMI_ARB_STATE;
        u32 saveSWF0[16];
        u32 saveSWF1[16];
        u32 saveSWF2[3];
        u8 saveMSR;
        u8 saveSR[8];
        u8 saveGR[25];
        u8 saveAR_INDEX;
        u8 saveAR[21];
        u8 saveDACMASK;
        u8 saveDACDATA[256*3]; /* 256 3-byte colors */
        u8 saveCR[37];
} drm_i915_private_t;

extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;

                                /* i915_dma.c */
extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
extern int i915_driver_unload(struct drm_device *);
extern void i915_driver_lastclose(struct drm_device * dev);
extern void i915_driver_preclose(struct drm_device *dev,
                                 struct drm_file *file_priv);
extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
                              unsigned long arg);

/* i915_irq.c */
extern int i915_irq_emit(struct drm_device *dev, void *data,
                         struct drm_file *file_priv);
extern int i915_irq_wait(struct drm_device *dev, void *data,
                         struct drm_file *file_priv);

extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
extern void i915_driver_irq_postinstall(struct drm_device * dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
                                struct drm_file *file_priv);
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
                                struct drm_file *file_priv);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
                            struct drm_file *file_priv);

/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
                          struct drm_file *file_priv);
extern int i915_mem_free(struct drm_device *dev, void *data,
                         struct drm_file *file_priv);
extern int i915_mem_init_heap(struct drm_device *dev, void *data,
                              struct drm_file *file_priv);
extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
                                 struct drm_file *file_priv);
extern void i915_mem_takedown(struct mem_block **heap);
extern void i915_mem_release(struct drm_device * dev,
                             struct drm_file *file_priv, struct mem_block *heap);

#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 I915_VERBOSE 0

#define RING_LOCALS     unsigned int outring, ringmask, outcount; \
                        volatile char *virt;

#define BEGIN_LP_RING(n) do {                           \
        if (I915_VERBOSE)                               \
                DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n));  \
        if (dev_priv->ring.space < (n)*4)               \
                i915_wait_ring(dev, (n)*4, __func__);           \
        outcount = 0;                                   \
        outring = dev_priv->ring.tail;                  \
        ringmask = dev_priv->ring.tail_mask;            \
        virt = dev_priv->ring.virtual_start;            \
} while (0)

#define OUT_RING(n) do {                                        \
        if (I915_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));      \
        *(volatile unsigned int *)(virt + outring) = (n);       \
        outcount++;                                             \
        outring += 4;                                           \
        outring &= ringmask;                                    \
} while (0)

#define ADVANCE_LP_RING() do {                                          \
        if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);   \
        dev_priv->ring.tail = outring;                                  \
        dev_priv->ring.space -= outcount * 4;                           \
        I915_WRITE(LP_RING + RING_TAIL, outring);                       \
} while(0)

extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);

/* Extended config space */
#define LBB 0xf4

/* 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 BB1_START_ADDR_MASK   (~0x7)
#define BB1_PROTECTED         (1<<0)
#define BB1_UNPROTECTED       (0<<0)
#define BB2_END_ADDR_MASK     (~0x7)

/* 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)

/* Interrupt bits:
 */
#define USER_INT_FLAG    (1<<1)
#define VSYNC_PIPEB_FLAG (1<<5)
#define VSYNC_PIPEA_FLAG (1<<7)
#define HWB_OOM_FLAG     (1<<13) /* binner out of memory */

#define I915REG_HWSTAM          0x02098
#define I915REG_INT_IDENTITY_R  0x020a4
#define I915REG_INT_MASK_R      0x020a8
#define I915REG_INT_ENABLE_R    0x020a0

#define I915REG_PIPEASTAT       0x70024
#define I915REG_PIPEBSTAT       0x71024

#define I915_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)

#define NOPID                   0x2094
#define LP_RING                 0x2030
#define HP_RING                 0x2040
/* The binner has its own ring buffer:
 */
#define HWB_RING                0x2400

#define RING_TAIL               0x00
#define TAIL_ADDR               0x001FFFF8
#define RING_HEAD               0x04
#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

/* Instruction parser error reg:
 */
#define IPEIR                   0x2088

/* Scratch pad debug 0 reg:
 */
#define SCPD0                   0x209c

/* Error status reg:
 */
#define ESR                     0x20b8

/* Secondary DMA fetch address debug reg:
 */
#define DMA_FADD_S              0x20d4

/* Memory Interface Arbitration State
 */
#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
#define CACHE_MODE_0            0x2120
#define CM0_MASK_SHIFT          16
#define CM0_IZ_OPT_DISABLE      (1<<6)
#define CM0_ZR_OPT_DISABLE      (1<<5)
#define CM0_DEPTH_EVICT_DISABLE (1<<4)
#define CM0_COLOR_EVICT_DISABLE (1<<3)
#define CM0_DEPTH_WRITE_DISABLE (1<<1)
#define CM0_RC_OP_FLUSH_DISABLE (1<<0)


/* Graphics flush control.  A CPU write flushes the GWB of all writes.
 * The data is discarded.
 */
#define GFX_FLSH_CNTL           0x2170

/* Binner control.  Defines the location of the bin pointer list:
 */
#define BINCTL                  0x2420
#define BC_MASK                 (1 << 9)

/* Binned scene info.
 */
#define BINSCENE                0x2428
#define BS_OP_LOAD              (1 << 8)
#define BS_MASK                 (1 << 22)

/* Bin command parser debug reg:
 */
#define BCPD                    0x2480

/* Bin memory control debug reg:
 */
#define BMCD                    0x2484

/* Bin data cache debug reg:
 */
#define BDCD                    0x2488

/* Binner pointer cache debug reg:
 */
#define BPCD                    0x248c

/* Binner scratch pad debug reg:
 */
#define BINSKPD                 0x24f0

/* HWB scratch pad debug reg:
 */
#define HWBSKPD                 0x24f4

/* Binner memory pool reg:
 */
#define BMP_BUFFER              0x2430
#define BMP_PAGE_SIZE_4K        (0 << 10)
#define BMP_BUFFER_SIZE_SHIFT   1
#define BMP_ENABLE              (1 << 0)

/* Get/put memory from the binner memory pool:
 */
#define BMP_GET                 0x2438
#define BMP_PUT                 0x2440
#define BMP_OFFSET_SHIFT        5

/* 3D state packets:
 */
#define GFX_OP_RASTER_RULES    ((0x3<<29)|(0x7<<24))

#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_LOAD_INDIRECT   ((0x3<<29)|(0x1d<<24)|(0x7<<16))

#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)

/* Display regs */
#define DSPACNTR                0x70180
#define DSPBCNTR                0x71180
#define DISPPLANE_SEL_PIPE_MASK                 (1<<24)

/* Define the region of interest for the binner:
 */
#define CMD_OP_BIN_CONTROL       ((0x3<<29)|(0x1d<<24)|(0x84<<16)|4)

#define CMD_OP_DESTBUFFER_INFO   ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)

#define CMD_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_END_SCENE         (1 << 4) /* flush binner and incr scene count */
#define MI_SCENE_COUNT       (1 << 3) /* just increment scene count */

#define BREADCRUMB_BITS 31
#define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1)

#define READ_BREADCRUMB(dev_priv)  (((volatile u32*)(dev_priv->hw_status_page))[5])
#define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])

#define BLC_PWM_CTL             0x61254
#define BACKLIGHT_MODULATION_FREQ_SHIFT         (17)

#define BLC_PWM_CTL2            0x61250
/**
 * This is the most significant 15 bits of the number of backlight cycles in a
 * complete cycle of the modulated backlight control.
 *
 * The actual value is this field multiplied by two.
 */
#define BACKLIGHT_MODULATION_FREQ_MASK          (0x7fff << 17)
#define BLM_LEGACY_MODE                         (1 << 16)
/**
 * This is the number of cycles out of the backlight modulation cycle for which
 * the backlight is on.
 *
 * This field must be no greater than the number of cycles in the complete
 * backlight modulation cycle.
 */
#define BACKLIGHT_DUTY_CYCLE_SHIFT              (0)
#define BACKLIGHT_DUTY_CYCLE_MASK               (0xffff)

#define I915_GCFGC                      0xf0
#define I915_LOW_FREQUENCY_ENABLE               (1 << 7)
#define I915_DISPLAY_CLOCK_190_200_MHZ          (0 << 4)
#define I915_DISPLAY_CLOCK_333_MHZ              (4 << 4)
#define I915_DISPLAY_CLOCK_MASK                 (7 << 4)

#define I855_HPLLCC                     0xc0
#define I855_CLOCK_CONTROL_MASK                 (3 << 0)
#define I855_CLOCK_133_200                      (0 << 0)
#define I855_CLOCK_100_200                      (1 << 0)
#define I855_CLOCK_100_133                      (2 << 0)
#define I855_CLOCK_166_250                      (3 << 0)

/* p317, 319
 */
#define VCLK2_VCO_M        0x6008 /* treat as 16 bit? (includes msbs) */
#define VCLK2_VCO_N        0x600a
#define VCLK2_VCO_DIV_SEL  0x6012

#define VCLK_DIVISOR_VGA0   0x6000
#define VCLK_DIVISOR_VGA1   0x6004
#define VCLK_POST_DIV       0x6010
/** Selects a post divisor of 4 instead of 2. */
# define VGA1_PD_P2_DIV_4       (1 << 15)
/** Overrides the p2 post divisor field */
# define VGA1_PD_P1_DIV_2       (1 << 13)
# define VGA1_PD_P1_SHIFT       8
/** P1 value is 2 greater than this field */
# define VGA1_PD_P1_MASK        (0x1f << 8)
/** Selects a post divisor of 4 instead of 2. */
# define VGA0_PD_P2_DIV_4       (1 << 7)
/** Overrides the p2 post divisor field */
# define VGA0_PD_P1_DIV_2       (1 << 5)
# define VGA0_PD_P1_SHIFT       0
/** P1 value is 2 greater than this field */
# define VGA0_PD_P1_MASK        (0x1f << 0)

/* PCI D state control register */
#define D_STATE         0x6104
#define DSPCLK_GATE_D   0x6200

/* 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 PP_STATUS       0x61200
# define PP_ON                                  (1 << 31)
/**
 * 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

#define PFIT_CONTROL    0x61230
# define PFIT_ENABLE                            (1 << 31)
# define PFIT_PIPE_MASK                         (3 << 29)
# define PFIT_PIPE_SHIFT                        29
# define VERT_INTERP_DISABLE                    (0 << 10)
# define VERT_INTERP_BILINEAR                   (1 << 10)
# define VERT_INTERP_MASK                       (3 << 10)
# define VERT_AUTO_SCALE                        (1 << 9)
# define HORIZ_INTERP_DISABLE                   (0 << 6)
# define HORIZ_INTERP_BILINEAR                  (1 << 6)
# define HORIZ_INTERP_MASK                      (3 << 6)
# define HORIZ_AUTO_SCALE                       (1 << 5)
# define PANEL_8TO6_DITHER_ENABLE               (1 << 3)

#define PFIT_PGM_RATIOS 0x61234
# define PFIT_VERT_SCALE_MASK                   0xfff00000
# define PFIT_HORIZ_SCALE_MASK                  0x0000fff0

#define PFIT_AUTO_RATIOS        0x61238


#define DPLL_A          0x06014
#define DPLL_B          0x06018
# define DPLL_VCO_ENABLE                        (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
/*
 * 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)

#define ADPA                    0x61100
#define ADPA_DAC_ENABLE         (1<<31)
#define ADPA_DAC_DISABLE        0
#define ADPA_PIPE_SELECT_MASK   (1<<30)
#define ADPA_PIPE_A_SELECT      0
#define ADPA_PIPE_B_SELECT      (1<<30)
#define ADPA_USE_VGA_HVPOLARITY (1<<15)
#define ADPA_SETS_HVPOLARITY    0
#define ADPA_VSYNC_CNTL_DISABLE (1<<11)
#define ADPA_VSYNC_CNTL_ENABLE  0
#define ADPA_HSYNC_CNTL_DISABLE (1<<10)
#define ADPA_HSYNC_CNTL_ENABLE  0
#define ADPA_VSYNC_ACTIVE_HIGH  (1<<4)
#define ADPA_VSYNC_ACTIVE_LOW   0
#define ADPA_HSYNC_ACTIVE_HIGH  (1<<3)
#define ADPA_HSYNC_ACTIVE_LOW   0

#define FPA0            0x06040
#define FPA1            0x06044
#define FPB0            0x06048
#define FPB1            0x0604c
# define FP_N_DIV_MASK                          0x003f0000
# define FP_N_DIV_SHIFT                         16
# define FP_M1_DIV_MASK                         0x00003f00
# define FP_M1_DIV_SHIFT                        8
# define FP_M2_DIV_MASK                         0x0000003f
# define FP_M2_DIV_SHIFT                        0


#define PORT_HOTPLUG_EN         0x61110
# define SDVOB_HOTPLUG_INT_EN                   (1 << 26)
# define SDVOC_HOTPLUG_INT_EN                   (1 << 25)
# define TV_HOTPLUG_INT_EN                      (1 << 18)
# define CRT_HOTPLUG_INT_EN                     (1 << 9)
# define CRT_HOTPLUG_FORCE_DETECT               (1 << 3)

#define PORT_HOTPLUG_STAT       0x61114
# define CRT_HOTPLUG_INT_STATUS                 (1 << 11)
# define TV_HOTPLUG_INT_STATUS                  (1 << 10)
# define CRT_HOTPLUG_MONITOR_MASK               (3 << 8)
# define CRT_HOTPLUG_MONITOR_COLOR              (3 << 8)
# define CRT_HOTPLUG_MONITOR_MONO               (2 << 8)
# define CRT_HOTPLUG_MONITOR_NONE               (0 << 8)
# define SDVOC_HOTPLUG_INT_STATUS               (1 << 7)
# define SDVOB_HOTPLUG_INT_STATUS               (1 << 6)

#define SDVOB                   0x61140
#define SDVOC                   0x61160
#define SDVO_ENABLE                             (1 << 31)
#define SDVO_PIPE_B_SELECT                      (1 << 30)
#define SDVO_STALL_SELECT                       (1 << 29)
#define SDVO_INTERRUPT_ENABLE                   (1 << 26)
/**
 * 915G/GM SDVO pixel multiplier.
 *
 * Programmed value is multiplier - 1, up to 5x.
 *
 * \sa DPLL_MD_UDI_MULTIPLIER_MASK
 */
#define SDVO_PORT_MULTIPLY_MASK                 (7 << 23)
#define SDVO_PORT_MULTIPLY_SHIFT                23
#define SDVO_PHASE_SELECT_MASK                  (15 << 19)
#define SDVO_PHASE_SELECT_DEFAULT               (6 << 19)
#define SDVO_CLOCK_OUTPUT_INVERT                (1 << 18)
#define SDVOC_GANG_MODE                         (1 << 16)
#define SDVO_BORDER_ENABLE                      (1 << 7)
#define SDVOB_PCIE_CONCURRENCY                  (1 << 3)
#define SDVO_DETECTED                           (1 << 2)
/* Bits to be preserved when writing */
#define SDVOB_PRESERVE_MASK                     ((1 << 17) | (1 << 16) | (1 << 14))
#define SDVOC_PRESERVE_MASK                     (1 << 17)

/** @defgroup LVDS
 * @{
 */
/**
 * This register controls the LVDS output enable, pipe selection, and data
 * format selection.
 *
 * All of the clock/data pairs are force powered down by power sequencing.
 */
#define LVDS                    0x61180
/**
 * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
 * the DPLL semantics change when the LVDS is assigned to that pipe.
 */
# define LVDS_PORT_EN                   (1 << 31)
/** Selects pipe B for LVDS data.  Must be set on pre-965. */
# define LVDS_PIPEB_SELECT              (1 << 30)

/**
 * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
 * pixel.
 */
# define LVDS_A0A2_CLKA_POWER_MASK      (3 << 8)
# define LVDS_A0A2_CLKA_POWER_DOWN      (0 << 8)
# define LVDS_A0A2_CLKA_POWER_UP        (3 << 8)
/**
 * Controls the A3 data pair, which contains the additional LSBs for 24 bit
 * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
 * on.
 */
# define LVDS_A3_POWER_MASK             (3 << 6)
# define LVDS_A3_POWER_DOWN             (0 << 6)
# define LVDS_A3_POWER_UP               (3 << 6)
/**
 * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
 * is set.
 */
# define LVDS_CLKB_POWER_MASK           (3 << 4)
# define LVDS_CLKB_POWER_DOWN           (0 << 4)
# define LVDS_CLKB_POWER_UP             (3 << 4)

/**
 * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
 * setting for whether we are in dual-channel mode.  The B3 pair will
 * additionally only be powered up when LVDS_A3_POWER_UP is set.
 */
# define LVDS_B0B3_POWER_MASK           (3 << 2)
# define LVDS_B0B3_POWER_DOWN           (0 << 2)
# define LVDS_B0B3_POWER_UP             (3 << 2)

#define PIPEACONF 0x70008
#define PIPEACONF_ENABLE        (1<<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 DSPARB    0x70030
#define DSPARB_CSTART_MASK      (0x7f << 7)
#define DSPARB_CSTART_SHIFT     7
#define DSPARB_BSTART_MASK      (0x7f)           
#define DSPARB_BSTART_SHIFT     0

#define PIPEBCONF 0x71008
#define PIPEBCONF_ENABLE        (1<<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 PIPEBGCMAXRED           0x71010
#define PIPEBGCMAXGREEN         0x71014
#define PIPEBGCMAXBLUE          0x71018
#define PIPEBSTAT               0x71024
#define PIPEBFRAMEHIGH          0x71040
#define PIPEBFRAMEPIXEL         0x71044

#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 VGACNTRL                0x71400
# define VGA_DISP_DISABLE                       (1 << 31)
# define VGA_2X_MODE                            (1 << 30)
# define VGA_PIPE_B_SELECT                      (1 << 29)

/*
 * 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

/*
 * Overlay registers.  These are overlay registers accessed via MMIO.
 * Those loaded via the overlay register page are defined in i830_video.c.
 */
#define OVADD                   0x30000

#define DOVSTA                  0x30008
#define OC_BUF                  (0x3<<20)

#define OGAMC5                  0x30010
#define OGAMC4                  0x30014
#define OGAMC3                  0x30018
#define OGAMC2                  0x3001c
#define OGAMC1                  0x30020
#define OGAMC0                  0x30024
/*
 * Palette registers
 */
#define PALETTE_A               0x0a000
#define PALETTE_B               0x0a800

#define IS_I830(dev) ((dev)->pci_device == 0x3577)
#define IS_845G(dev) ((dev)->pci_device == 0x2562)
#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
#define IS_I855(dev) ((dev)->pci_device == 0x3582)
#define IS_I865G(dev) ((dev)->pci_device == 0x2572)

#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
                        (dev)->pci_device == 0x27AE)
#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
                       (dev)->pci_device == 0x2982 || \
                       (dev)->pci_device == 0x2992 || \
                       (dev)->pci_device == 0x29A2 || \
                       (dev)->pci_device == 0x2A02 || \
                       (dev)->pci_device == 0x2A12 || \
                       (dev)->pci_device == 0x2A42 || \
                       (dev)->pci_device == 0x2E02 || \
                       (dev)->pci_device == 0x2E12 || \
                       (dev)->pci_device == 0x2E22)

#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)

#define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42)

#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
                     (dev)->pci_device == 0x2E12 || \
                     (dev)->pci_device == 0x2E22)

#define IS_G33(dev)    ((dev)->pci_device == 0x29C2 ||  \
                        (dev)->pci_device == 0x29B2 ||  \
                        (dev)->pci_device == 0x29D2)

#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
                      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))

#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
                        IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev))

#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev) || IS_G4X(dev))

#define PRIMARY_RINGBUFFER_SIZE         (128*1024)

#endif