i915_drv.h revision 0035d21c77a24d02faf34c10aabc120ca692efb5
/* 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,
* 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.
* 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"
#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;
int head;
int tail;
int space;
struct drm_gem_object *ring_obj;
struct mem_block {
int start;
int size;
};
typedef struct _drm_i915_vbl_swap {
unsigned int plane;
unsigned int sequence;
int flip;
typedef struct s3_i915_private {
struct drm_i915_error_state {
};
typedef struct drm_i915_private {
struct drm_device *dev;
void *hw_status_page;
unsigned int status_gfx_addr;
struct drm_gem_object *hws_obj;
unsigned int cpp;
int back_offset;
int front_offset;
int current_page;
int page_flipping;
/** Protects user_irq_refcount and irq_mask_reg */
/** 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;
int allow_batchbuffer;
int vblank_pipe;
struct drm_i915_error_state *first_error;
struct {
/**
* 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;
/**
* Waiting sequence number, if any
*/
/**
* Last seq seen at irq time
*/
/**
* 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 */
/** Bit 6 swizzling required for Y tiling */
} mm;
struct drm_track {
struct drm_gem_object *obj;
};
/** driver private structure attached to each drm_gem_object */
struct drm_i915_gem_object {
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;
/**
* Current offset of the object in GTT space.
*
* This is the same as gtt_space->start
*/
/** 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. */
/** Current tiling mode for the object. */
/**
* Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
* GEM_DOMAIN_CPU is not in the object's read domain.
*/
/** User space pin count and filp owning the pin */
/**
* 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 {
/** GEM sequence number associated with this request. */
/** Time at which this request was emitted, in jiffies. */
unsigned long emitted_jiffies;
/** Cache domains that were flushed at the start of the request. */
};
struct drm_i915_file_private {
struct {
} 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;
/* i915_dma.c */
unsigned long arg);
/* i915_irq.c */
extern int i915_irq_emit(DRM_IOCTL_ARGS);
extern int i915_irq_wait(DRM_IOCTL_ARGS);
extern int i915_vblank_swap(DRM_IOCTL_ARGS);
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 free_block(struct mem_block *);
/* i915_gem.c */
void i915_gem_retire_work_handler(void *dev);
/* i915_gem_tiling.c */
/* i915_gem_debug.c */
/* i915_gem_regdump.c */
#ifdef I915_HAVE_FENCE
/* i915_fence.c */
#endif
#ifdef I915_HAVE_BUFFER
/* i915_buffer.c */
#endif
#define I915_VERBOSE 0
#define I915_RING_VALIDATE 0
#else
#define I915_RING_DO_VALIDATE(dev)
#endif
volatile unsigned char *virt;
#define I915_RING_VALIDATE 0
#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)); \
outcount = 0; \
} while (*"\0")
#else
#define BEGIN_LP_RING(n) do { \
outcount = 0; \
} while (*"\0")
#endif
#if I915_VERBOSE
#define OUT_RING(n) do { \
DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
outcount++; \
outring += 4; \
} while (*"\0")
#else
#define OUT_RING(n) do { \
outcount++; \
outring += 4; \
} while (*"\0")
#endif
#if I915_VERBOSE
#define ADVANCE_LP_RING() do { \
} while (*"\0")
#else
#define ADVANCE_LP_RING() do { \
} while (*"\0")
#endif
/* Extended config space */
#define LBB 0xf4
#define GDRST 0xc0
#define GDRST_FULL (0<<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_CGA_MODE (1<<0)
#define VGA_SR_INDEX 0x3c4
#define VGA_SR_DATA 0x3c5
#define VGA_AR_INDEX 0x3c0
#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 INST_PARSER_CLIENT 0x00000000
#define INST_OP_FLUSH 0x02000000
#define INST_FLUSH_MAP_CACHE 0x00000001
#define MI_READ_FLUSH (1 << 0)
#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 IPEHR 0x0208c
#define INSTDONE 0x02090
#define EIR 0x020b0
#define EMR 0x020b4
#define ESR 0x020b8
#define I915_ERROR_INSTRUCTION (1<<0)
#define SRX_INDEX 0x3c4
#define SRX_DATA 0x3c5
#define SR01 1
#define PPCR 0x61204
#define PPCR_ON (1<<0)
#define DVOB 0x61140
#define DVOC 0x61160
#define LVDS 0x61180
#define ADPA 0x61100
#define ADPA_DPMS_ON (0<<10)
#ifdef 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 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 SC_ENABLE_MASK (0x1<<0)
#define SC_ENABLE (0x1<<0)
#define SCI_XMIN_MASK (0xffff<<0)
#define SCI_XMAX_MASK (0xffff<<0)
#define MI_BATCH_NON_SECURE (1)
#define DISPLAY_PLANE_A (0<<20)
/**
* 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 I915_GEM_HWS_INDEX 0x20
#define I915_BREADCRUMB_INDEX 0x21
/*
* add here for S3 support
*/
#define DPLL_A 0x06014
#define DPLL_B 0x06018
/**
* 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_REF_INPUT_DREFCLK (0 << 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
*/
/**
*
* \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 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
* 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 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)
/** 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
* 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_DISABLE 0
#define DISPPLANE_GAMMA_DISABLE 0
#define DISPPLANE_STEREO_DISABLE 0
#define DISPPLANE_SEL_PIPE_A 0
#define DISPPLANE_SRC_KEY_DISABLE 0
#define DISPPLANE_NO_LINE_DOUBLE 0
#define DISPPLANE_STEREO_POLARITY_FIRST 0
/* plane B only */
#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 DSPBSTRIDE 0x71188
#define DSPAKEYVAL 0x70194
#define DSPAKEYMASK 0x70198
#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_DISABLE 0
#define PIPEACONF_SINGLE_WIDE 0
#define PIPEACONF_PIPE_UNLOCKED 0
#define PIPEACONF_PALETTE 0
#define PIPECONF_PROGRESSIVE (0 << 21)
#define PIPEBCONF 0x71008
#define PIPEBCONF_DISABLE 0
#define PIPEBCONF_DISABLE 0
#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
*/
#define PP_SEQUENCE_NONE (0 << 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_CONTROL 0x03208
#define VGACNTRL 0x71400
#define VCLK_DIVISOR_VGA0 0x6000
#define VCLK_DIVISOR_VGA1 0x6004
#define VCLK_POST_DIV 0x6010
/* Framebuffer compression */
#define FBC_CONTROL 0x03208
#define FBC_CTL_INTERVAL_SHIFT (16)
#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_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_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_ASLE_INTERRUPT (1<<0)
#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
#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_82B43_IG 0x2e42
/* 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.
*/
#endif /* _I915_DRV_H */