generated by cgit v1.2.3 (git 2.25.1) at 2025-12-04 00:15:10 +0000
 


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#define GPIOH			0x502c
# define GPIO_CLOCK_DIR_MASK		(1 << 0)
# define GPIO_CLOCK_DIR_IN		(0 << 1)
# define GPIO_CLOCK_DIR_OUT		(1 << 1)
# define GPIO_CLOCK_VAL_MASK		(1 << 2)
# define GPIO_CLOCK_VAL_OUT		(1 << 3)
# define GPIO_CLOCK_VAL_IN		(1 << 4)
# define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
# define GPIO_DATA_DIR_MASK		(1 << 8)
# define GPIO_DATA_DIR_IN		(0 << 9)
# define GPIO_DATA_DIR_OUT		(1 << 9)
# define GPIO_DATA_VAL_MASK		(1 << 10)
# define GPIO_DATA_VAL_OUT		(1 << 11)
# define GPIO_DATA_VAL_IN		(1 << 12)
# define GPIO_DATA_PULLUP_DISABLE	(1 << 13)

/*
 * Clock control & power management
 */

#define VGA0	0x6000
#define VGA1	0x6004
#define VGA_PD	0x6010
#define   VGA0_PD_P2_DIV_4	(1 << 7)
#define   VGA0_PD_P1_DIV_2	(1 << 5)
#define   VGA0_PD_P1_SHIFT	0
#define   VGA0_PD_P1_MASK	(0x1f << 0)
#define   VGA1_PD_P2_DIV_4	(1 << 15)
#define   VGA1_PD_P1_DIV_2	(1 << 13)
#define   VGA1_PD_P1_SHIFT	8
#define   VGA1_PD_P1_MASK	(0x1f << 8)
#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 */

#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 I915_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 I915_START_VBLANK_INTERRUPT_STATUS	(1UL<<2)	/* 965 or later */
#define I915_VBLANK_INTERRUPT_STATUS		(1UL<<1)
#define I915_OVERLAY_UPDATED_STATUS		(1UL<<0)

#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 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		0xFFFFF000
#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

/* Scratch pad debug 0 reg:
 */
#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
/* i830, required in DVO non-gang */
#define   PLL_P2_DIVIDE_BY_4		(1 << 23)
#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.
 */
#define   SDVO_MULTIPLIER_MASK			0x000000ff
#define   SDVO_MULTIPLIER_SHIFT_HIRES		4
#define   SDVO_MULTIPLIER_SHIFT_VGA		0
#define DPLL_A_MD 0x0601c /* 965+ only */
/*
 * 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_B_MD 0x06020 /* 965+ only */
#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 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 D_STATE		0x6104
#define CG_2D_DIS	0x6200
#define CG_3D_DIS	0x6204

/*
 * Palette regs
 */

#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)

/** 965 MCH register controlling DRAM channel configuration */
#define C0DRB3			0x10206
#define C1DRB3			0x10606

/*
 * Overlay regs
 */

#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

/*
 * Display engine regs
 */

/* Pipe A timing regs */
#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

/* Pipe B timing regs */
#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

/* VGA port control */
#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   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)

/* Hotplug control (945+ only) */
#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)

/* SDVO port control */
#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) | (1 << 26))
#define   SDVOC_PRESERVE_MASK ((1 << 17) | (1 << 26))

/* DVO port control */
#define DVOA			0x61120
#define DVOB			0x61140
#define DVOC			0x61160
#define   DVO_ENABLE			(1 << 31)
#define   DVO_PIPE_B_SELECT		(1 << 30)
#define   DVO_PIPE_STALL_UNUSED		(0 << 28)
#define   DVO_PIPE_STALL		(1 << 28)
#define   DVO_PIPE_STALL_TV		(2 << 28)
#define   DVO_PIPE_STALL_MASK		(3 << 28)
#define   DVO_USE_VGA_SYNC		(1 << 15)
#define   DVO_DATA_ORDER_I740		(0 << 14)
#define   DVO_DATA_ORDER_FP		(1 << 14)
#define   DVO_VSYNC_DISABLE		(1 << 11)
#define   DVO_HSYNC_DISABLE		(1 << 10)
#define   DVO_VSYNC_TRISTATE		(1 << 9)
#define   DVO_HSYNC_TRISTATE		(1 << 8)
#define   DVO_BORDER_ENABLE		(1 << 7)
#define   DVO_DATA_ORDER_GBRG		(1 << 6)
#define   DVO_DATA_ORDER_RGGB		(0 << 6)
#define   DVO_DATA_ORDER_GBRG_ERRATA	(0 << 6)
#define   DVO_DATA_ORDER_RGGB_ERRATA	(1 << 6)
#define   DVO_VSYNC_ACTIVE_HIGH		(1 << 4)
#define   DVO_HSYNC_ACTIVE_HIGH		(1 << 3)
#define   DVO_BLANK_ACTIVE_HIGH		(1 << 2)
#define   DVO_OUTPUT_CSTATE_PIXELS	(1 << 1)	/* SDG only */
#define   DVO_OUTPUT_SOURCE_SIZE_PIXELS	(1 << 0)	/* SDG only */
#define   DVO_PRESERVE_MASK		(0x7<<24)
#define DVOA_SRCDIM		0x61124
#define DVOB_SRCDIM		0x61144
#define DVOC_SRCDIM		0x61164
#define   DVO_SRCDIM_HORIZONTAL_SHIFT	12
#define   DVO_SRCDIM_VERTICAL_SHIFT	0

/* LVDS port control */
#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)

/* Panel power sequencing */
#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 PP_ON_DELAYS	0x61208
#define PP_OFF_DELAYS	0x6120c
#define PP_DIVISOR	0x61210

/* Panel fitting */
#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

/* Backlight control */
#define BLC_PWM_CTL		0x61254
#define   BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
#define BLC_PWM_CTL2		0x61250 /* 965+ only */
#define   BLM_COMBINATION_MODE (1 << 30)
/*
 * 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)

/* TV port control */
#define TV_CTL			0x68000
/** Enables the TV encoder */
# define TV_ENC_ENABLE			(1 << 31)
/** Sources the TV encoder input from pipe B instead of A. */
# define TV_ENC_PIPEB_SELECT		(1 << 30)
/** Outputs composite video (DAC A only) */
# define TV_ENC_OUTPUT_COMPOSITE	(0 << 28)
/** Outputs SVideo video (DAC B/C) */
# define TV_ENC_OUTPUT_SVIDEO		(1 << 28)
/** Outputs Component video (DAC A/B/C) */
# define TV_ENC_OUTPUT_COMPONENT	(2 << 28)
/** Outputs Composite and SVideo (DAC A/B/C) */
# define TV_ENC_OUTPUT_SVIDEO_COMPOSITE	(3 << 28)
# define TV_TRILEVEL_SYNC		(1 << 21)
/** Enables slow sync generation (945GM only) */
# define TV_SLOW_SYNC			(1 << 20)
/** Selects 4x oversampling for 480i and 576p */
# define TV_OVERSAMPLE_4X		(0 << 18)
/** Selects 2x oversampling for 720p and 1080i */
# define TV_OVERSAMPLE_2X		(1 << 18)
/** Selects no oversampling for 1080p */
# define TV_OVERSAMPLE_NONE		(2 << 18)
/** Selects 8x oversampling */
# define TV_OVERSAMPLE_8X		(3 << 18)
/** Selects progressive mode rather than interlaced */
# define TV_PROGRESSIVE			(1 << 17)
/** Sets the colorburst to PAL mode.  Required for non-M PAL modes. */
# define TV_PAL_BURST			(1 << 16)
/** Field for setting delay of Y compared to C */
# define TV_YC_SKEW_MASK		(7 << 12)
/** Enables a fix for 480p/576p standard definition modes on the 915GM only */
# define TV_ENC_SDP_FIX			(1 << 11)
/**
 * Enables a fix for the 915GM only.
 *
 * Not sure what it does.
 */
# define TV_ENC_C0_FIX			(1 << 10)
/** Bits that must be preserved by software */
# define TV_CTL_SAVE			((3 << 8) | (3 << 6))
# define TV_FUSE_STATE_MASK		(3 << 4)
/** Read-only state that reports all features enabled */
# define TV_FUSE_STATE_ENABLED		(0 << 4)
/** Read-only state that reports that Macrovision is disabled in hardware*/
# define TV_FUSE_STATE_NO_MACROVISION	(1 << 4)
/** Read-only state that reports that TV-out is disabled in hardware. */
# define TV_FUSE_STATE_DISABLED		(2 << 4)
/** Normal operation */
# define TV_TEST_MODE_NORMAL		(0 << 0)
/** Encoder test pattern 1 - combo pattern */
# define TV_TEST_MODE_PATTERN_1		(1 << 0)
/** Encoder test pattern 2 - full screen vertical 75% color bars */
# define TV_TEST_MODE_PATTERN_2		(2 << 0)
/** Encoder test pattern 3 - full screen horizontal 75% color bars */
# define TV_TEST_MODE_PATTERN_3		(3 << 0)
/** Encoder test pattern 4 - random noise */
# define TV_TEST_MODE_PATTERN_4		(4 << 0)
/** Encoder test pattern 5 - linear color ramps */
# define TV_TEST_MODE_PATTERN_5		(5 << 0)
/**
 * This test mode forces the DACs to 50% of full output.
 *
 * This is used for load detection in combination with TVDAC_SENSE_MASK
 */
# define TV_TEST_MODE_MONITOR_DETECT	(7 << 0)
# define TV_TEST_MODE_MASK		(7 << 0)

#define TV_DAC			0x68004
/**
 * Reports that DAC state change logic has reported change (RO).
 *
 * This gets cleared when TV_DAC_STATE_EN is cleared
*/
# define TVDAC_STATE_CHG		(1 << 31)
# define TVDAC_SENSE_MASK		(7 << 28)
/** Reports that DAC A voltage is above the detect threshold */
# define TVDAC_A_SENSE			(1 << 30)
/** Reports that DAC B voltage is above the detect threshold */
# define TVDAC_B_SENSE			(1 << 29)
/** Reports that DAC C voltage is above the detect threshold */
# define TVDAC_C_SENSE			(1 << 28)
/**
 * Enables DAC state detection logic, for load-based TV detection.
 *
 * The PLL of the chosen pipe (in TV_CTL) must be running, and the encoder set
 * to off, for load detection to work.
 */
# define TVDAC_STATE_CHG_EN		(1 << 27)
/** Sets the DAC A sense value to high */
# define TVDAC_A_SENSE_CTL		(1 << 26)
/** Sets the DAC B sense value to high */
# define TVDAC_B_SENSE_CTL		(1 << 25)
/** Sets the DAC C sense value to high */
# define TVDAC_C_SENSE_CTL		(1 << 24)
/** Overrides the ENC_ENABLE and DAC voltage levels */
# define DAC_CTL_OVERRIDE		(1 << 7)
/** Sets the slew rate.  Must be preserved in software */
# define ENC_TVDAC_SLEW_FAST		(1 << 6)
# define DAC_A_1_3_V			(0 << 4)
# define DAC_A_1_1_V			(1 << 4)
# define DAC_A_0_7_V			(2 << 4)
# define DAC_A_OFF			(3 << 4)
# define DAC_B_1_3_V			(0 << 2)
# define DAC_B_1_1_V			(1 << 2)
# define DAC_B_0_7_V			(2 << 2)
# define DAC_B_OFF			(3 << 2)
# define DAC_C_1_3_V			(0 << 0)
# define DAC_C_1_1_V			(1 << 0)
# define DAC_C_0_7_V			(2 << 0)
# define DAC_C_OFF			(3 << 0)

/**
 * CSC coefficients are stored in a floating point format with 9 bits of
 * mantissa and 2 or 3 bits of exponent.  The exponent is represented as 2**-n,
 * where 2-bit exponents are unsigned n, and 3-bit exponents are signed n with
 * -1 (0x3) being the only legal negative value.
 */
#define TV_CSC_Y		0x68010
# define TV_RY_MASK			0x07ff0000
# define TV_RY_SHIFT			16
# define TV_GY_MASK			0x00000fff
# define TV_GY_SHIFT			0

#define TV_CSC_Y2		0x68014
# define TV_BY_MASK			0x07ff0000
# define TV_BY_SHIFT			16
/**
 * Y attenuation for component video.
 *
 * Stored in 1.9 fixed point.
 */
# define TV_AY_MASK			0x000003ff
# define TV_AY_SHIFT			0

#define TV_CSC_U		0x68018
# define TV_RU_MASK			0x07ff0000
# define TV_RU_SHIFT			16
# define TV_GU_MASK			0x000007ff
# define TV_GU_SHIFT			0

#define TV_CSC_U2		0x6801c
# define TV_BU_MASK			0x07ff0000
# define TV_BU_SHIFT			16
/**
 * U attenuation for component video.
 *
 * Stored in 1.9 fixed point.
 */
# define TV_AU_MASK			0x000003ff
# define TV_AU_SHIFT			0

#define TV_CSC_V		0x68020
# define TV_RV_MASK			0x0fff0000
# define TV_RV_SHIFT			16
# define TV_GV_MASK			0x000007ff
# define TV_GV_SHIFT			0

#define TV_CSC_V2		0x68024
# define TV_BV_MASK			0x07ff0000
# define TV_BV_SHIFT			16
/**
 * V attenuation for component video.
 *
 * Stored in 1.9 fixed point.
 */
# define TV_AV_MASK			0x000007ff
# define TV_AV_SHIFT			0

#define TV_CLR_KNOBS		0x68028
/** 2s-complement brightness adjustment */
# define TV_BRIGHTNESS_MASK		0xff000000
# define TV_BRIGHTNESS_SHIFT		24
/** Contrast adjustment, as a 2.6 unsigned floating point number */
# define TV_CONTRAST_MASK		0x00ff0000
# define TV_CONTRAST_SHIFT		16
/** Saturation adjustment, as a 2.6 unsigned floating point number */
# define TV_SATURATION_MASK		0x0000ff00
# define TV_SATURATION_SHIFT		8
/** Hue adjustment, as an integer phase angle in degrees */
# define TV_HUE_MASK			0x000000ff
# define TV_HUE_SHIFT			0

#define TV_CLR_LEVEL		0x6802c
/** Controls the DAC level for black */
# define TV_BLACK_LEVEL_MASK		0x01ff0000
# define TV_BLACK_LEVEL_SHIFT		16
/** Controls the DAC level for blanking */
# define TV_BLANK_LEVEL_MASK		0x000001ff
# define TV_BLANK_LEVEL_SHIFT		0

#define TV_H_CTL_1		0x68030
/** Number of pixels in the hsync. */
# define TV_HSYNC_END_MASK		0x1fff0000
# define TV_HSYNC_END_SHIFT		16
/** Total number of pixels minus one in the line (display and blanking). */
# define TV_HTOTAL_MASK			0x00001fff
# define TV_HTOTAL_SHIFT		0

#define TV_H_CTL_2		0x68034
/** Enables the colorburst (needed for non-component color) */
# define TV_BURST_ENA			(1 << 31)
/** Offset of the colorburst from the start of hsync, in pixels minus one. */
# define TV_HBURST_START_SHIFT		16
# define TV_HBURST_START_MASK		0x1fff0000
/** Length of the colorburst */
# define TV_HBURST_LEN_SHIFT		0
# define TV_HBURST_LEN_MASK		0x0001fff

#define TV_H_CTL_3		0x68038
/** End of hblank, measured in pixels minus one from start of hsync */
# define TV_HBLANK_END_SHIFT		16
# define TV_HBLANK_END_MASK		0x1fff0000
/** Start of hblank, measured in pixels minus one from start of hsync */
# define TV_HBLANK_START_SHIFT		0
# define TV_HBLANK_START_MASK		0x0001fff

#define TV_V_CTL_1		0x6803c
/** XXX */
# define TV_NBR_END_SHIFT		16
# define TV_NBR_END_MASK		0x07ff0000
/** XXX */
# define TV_VI_END_F1_SHIFT		8
# define TV_VI_END_F1_MASK		0x00003f00
/** XXX */
# define TV_VI_END_F2_SHIFT		0
# define TV_VI_END_F2_MASK		0x0000003f

#define TV_V_CTL_2		0x68040
/** Length of vsync, in half lines */
# define TV_VSYNC_LEN_MASK		0x07ff0000
# define TV_VSYNC_LEN_SHIFT		16
/** Offset of the start of vsync in field 1, measured in one less than the
 * number of half lines.
 */
# define TV_VSYNC_START_F1_MASK		0x00007f00
# define TV_VSYNC_START_F1_SHIFT	8
/**
 * Offset of the start of vsync in field 2, measured in one less than the
 * number of half lines.
 */
# define TV_VSYNC_START_F2_MASK		0x0000007f
# define TV_VSYNC_START_F2_SHIFT	0

#define TV_V_CTL_3		0x68044
/** Enables generation of the equalization signal */
# define TV_EQUAL_ENA			(1 << 31)
/** Length of vsync, in half lines */
# define TV_VEQ_LEN_MASK		0x007f0000
# define TV_VEQ_LEN_SHIFT		16
/** Offset of the start of equalization in field 1, measured in one less than
 * the number of half lines.
 */
# define TV_VEQ_START_F1_MASK		0x0007f00
# define TV_VEQ_START_F1_SHIFT		8
/**
 * Offset of the start of equalization in field 2, measured in one less than
 * the number of half lines.
 */
# define TV_VEQ_START_F2_MASK		0x000007f
# define TV_VEQ_START_F2_SHIFT		0

#define TV_V_CTL_4		0x68048
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F1_MASK	0x003f0000
# define TV_VBURST_START_F1_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F1_MASK		0x000000ff
# define TV_VBURST_END_F1_SHIFT		0

#define TV_V_CTL_5		0x6804c
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F2_MASK	0x003f0000
# define TV_VBURST_START_F2_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F2_MASK		0x000000ff
# define TV_VBURST_END_F2_SHIFT		0

#define TV_V_CTL_6		0x68050
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F3_MASK	0x003f0000
# define TV_VBURST_START_F3_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F3_MASK		0x000000ff
# define TV_VBURST_END_F3_SHIFT		0

#define TV_V_CTL_7		0x68054
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F4_MASK	0x003f0000
# define TV_VBURST_START_F4_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F4_MASK		0x000000ff
# define TV_VBURST_END_F4_SHIFT		0

#define TV_SC_CTL_1		0x68060
/** Turns on the first subcarrier phase generation DDA */
# define TV_SC_DDA1_EN			(1 << 31)
/** Turns on the first subcarrier phase generation DDA */
# define TV_SC_DDA2_EN			(1 << 30)
/** Turns on the first subcarrier phase generation DDA */
# define TV_SC_DDA3_EN			(1 << 29)
/** Sets the subcarrier DDA to reset frequency every other field */
# define TV_SC_RESET_EVERY_2		(0 << 24)
/** Sets the subcarrier DDA to reset frequency every fourth field */
# define TV_SC_RESET_EVERY_4		(1 << 24)
/** Sets the subcarrier DDA to reset frequency every eighth field */
# define TV_SC_RESET_EVERY_8		(2 << 24)
/** Sets the subcarrier DDA to never reset the frequency */
# define TV_SC_RESET_NEVER		(3 << 24)
/** Sets the peak amplitude of the colorburst.*/
# define TV_BURST_LEVEL_MASK		0x00ff0000
# define TV_BURST_LEVEL_SHIFT		16
/** Sets the increment of the first subcarrier phase generation DDA */
# define TV_SCDDA1_INC_MASK		0x00000fff
# define TV_SCDDA1_INC_SHIFT		0

#define TV_SC_CTL_2		0x68064
/** Sets the rollover for the second subcarrier phase generation DDA */
# define TV_SCDDA2_SIZE_MASK		0x7fff0000
# define TV_SCDDA2_SIZE_SHIFT		16
/** Sets the increent of the second subcarrier phase generation DDA */
# define TV_SCDDA2_INC_MASK		0x00007fff
# define TV_SCDDA2_INC_SHIFT		0

#define TV_SC_CTL_3		0x68068
/** Sets the rollover for the third subcarrier phase generation DDA */
# define TV_SCDDA3_SIZE_MASK		0x7fff0000
# define TV_SCDDA3_SIZE_SHIFT		16
/** Sets the increent of the third subcarrier phase generation DDA */
# define TV_SCDDA3_INC_MASK		0x00007fff
# define TV_SCDDA3_INC_SHIFT		0

#define TV_WIN_POS		0x68070
/** X coordinate of the display from the start of horizontal active */
# define TV_XPOS_MASK			0x1fff0000
# define TV_XPOS_SHIFT			16
/** Y coordinate of the display from the start of vertical active (NBR) */
# define TV_YPOS_MASK			0x00000fff
# define TV_YPOS_SHIFT			0

#define TV_WIN_SIZE		0x68074
/** Horizontal size of the display window, measured in pixels*/
# define TV_XSIZE_MASK			0x1fff0000
# define TV_XSIZE_SHIFT			16
/**
 * Vertical size of the display window, measured in pixels.
 *
 * Must be even for interlaced modes.
 */
# define TV_YSIZE_MASK			0x00000fff
# define TV_YSIZE_SHIFT			0

#define TV_FILTER_CTL_1		0x68080
/**
 * Enables automatic scaling calculation.
 *
 * If set, the rest of the registers are ignored, and the calculated values can
 * be read back from the register.
 */
# define TV_AUTO_SCALE			(1 << 31)
/**
 * Disables the vertical filter.
 *
 * This is required on modes more than 1024 pixels wide */
# define TV_V_FILTER_BYPASS		(1 << 29)
/** Enables adaptive vertical filtering */
# define TV_VADAPT			(1 << 28)
# define TV_VADAPT_MODE_MASK		(3 << 26)
/** Selects the least adaptive vertical filtering mode */
# define TV_VADAPT_MODE_LEAST		(0 << 26)
/** Selects the moderately adaptive vertical filtering mode */
# define TV_VADAPT_MODE_MODERATE	(1 << 26)
/** Selects the most adaptive vertical filtering mode */
# define TV_VADAPT_MODE_MOST		(3 << 26)
/**
 * Sets the horizontal scaling factor.
 *
 * This should be the fractional part of the horizontal scaling factor divided
 * by the oversampling rate.  TV_HSCALE should be less than 1, and set to:
 *
 * (src width - 1) / ((oversample * dest width) - 1)
 */
# define TV_HSCALE_FRAC_MASK		0x00003fff
# define TV_HSCALE_FRAC_SHIFT		0

#define TV_FILTER_CTL_2		0x68084
/**
 * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
 *
 * TV_VSCALE should be (src height - 1) / ((interlace * dest height) - 1)
 */
# define TV_VSCALE_INT_MASK		0x00038000
# define TV_VSCALE_INT_SHIFT		15
/**
 * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
 *
 * \sa TV_VSCALE_INT_MASK
 */
# define TV_VSCALE_FRAC_MASK		0x00007fff
# define TV_VSCALE_FRAC_SHIFT		0

#define TV_FILTER_CTL_3		0x68088
/**
 * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
 *
 * TV_VSCALE should be (src height - 1) / (1/4 * (dest height - 1))
 *
 * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
 */
# define TV_VSCALE_IP_INT_MASK		0x00038000
# define TV_VSCALE_IP_INT_SHIFT		15
/**
 * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
 *
 * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
 *
 * \sa TV_VSCALE_IP_INT_MASK
 */
# define TV_VSCALE_IP_FRAC_MASK		0x00007fff
# define TV_VSCALE_IP_FRAC_SHIFT		0

#define TV_CC_CONTROL		0x68090
# define TV_CC_ENABLE			(1 << 31)
/**
 * Specifies which field to send the CC data in.
 *
 * CC data is usually sent in field 0.
 */
# define TV_CC_FID_MASK			(1 << 27)
# define TV_CC_FID_SHIFT		27
/** Sets the horizontal position of the CC data.  Usually 135. */
# define TV_CC_HOFF_MASK		0x03ff0000
# define TV_CC_HOFF_SHIFT		16
/** Sets the vertical position of the CC data.  Usually 21 */
# define TV_CC_LINE_MASK		0x0000003f
# define TV_CC_LINE_SHIFT		0

#define TV_CC_DATA		0x68094
# define TV_CC_RDY			(1 << 31)
/** Second word of CC data to be transmitted. */
# define TV_CC_DATA_2_MASK		0x007f0000
# define TV_CC_DATA_2_SHIFT		16
/** First word of CC data to be transmitted. */
# define TV_CC_DATA_1_MASK		0x0000007f
# define TV_CC_DATA_1_SHIFT		0

#define TV_H_LUMA_0		0x68100
#define TV_H_LUMA_59		0x681ec
#define TV_H_CHROMA_0		0x68200
#define TV_H_CHROMA_59		0x682ec
#define TV_V_LUMA_0		0x68300
#define TV_V_LUMA_42		0x683a8
#define TV_V_CHROMA_0		0x68400
#define TV_V_CHROMA_42		0x684a8

/* Display & cursor control */

/* Pipe A */
#define PIPEADSL		0x70000
#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 PIPEASTAT		0x70024
#define   PIPE_FIFO_UNDERRUN_STATUS		(1UL<<31)
#define   PIPE_CRC_ERROR_ENABLE			(1UL<<29)
#define   PIPE_CRC_DONE_ENABLE			(1UL<<28)
#define   PIPE_GMBUS_EVENT_ENABLE		(1UL<<27)
#define   PIPE_HOTPLUG_INTERRUPT_ENABLE		(1UL<<26)
#define   PIPE_VSYNC_INTERRUPT_ENABLE		(1UL<<25)
#define   PIPE_DISPLAY_LINE_COMPARE_ENABLE	(1UL<<24)
#define   PIPE_DPST_EVENT_ENABLE		(1UL<<23)
#define   PIPE_LEGACY_BLC_EVENT_ENABLE		(1UL<<22)
#define   PIPE_ODD_FIELD_INTERRUPT_ENABLE	(1UL<<21)
#define   PIPE_EVEN_FIELD_INTERRUPT_ENABLE	(1UL<<20)
#define   PIPE_HOTPLUG_TV_INTERRUPT_ENABLE	(1UL<<18) /* pre-965 */
#define   PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL<<18) /* 965 or later */
#define   PIPE_VBLANK_INTERRUPT_ENABLE		(1UL<<17)
#define   PIPE_OVERLAY_UPDATED_ENABLE		(1UL<<16)
#define   PIPE_CRC_ERROR_INTERRUPT_STATUS	(1UL<<13)
#define   PIPE_CRC_DONE_INTERRUPT_STATUS	(1UL<<12)
#define   PIPE_GMBUS_INTERRUPT_STATUS		(1UL<<11)
#define   PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL<<10)
#define   PIPE_VSYNC_INTERRUPT_STATUS		(1UL<<9)
#define   PIPE_DISPLAY_LINE_COMPARE_STATUS	(1UL<<8)
#define   PIPE_DPST_EVENT_STATUS		(1UL<<7)
#define   PIPE_LEGACY_BLC_EVENT_STATUS		(1UL<<6)
#define   PIPE_ODD_FIELD_INTERRUPT_STATUS	(1UL<<5)
#define   PIPE_EVEN_FIELD_INTERRUPT_STATUS	(1UL<<4)
#define   PIPE_HOTPLUG_TV_INTERRUPT_STATUS	(1UL<<2) /* pre-965 */
#define   PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL<<2) /* 965 or later */
#define   PIPE_VBLANK_INTERRUPT_STATUS		(1UL<<1)
#define   PIPE_OVERLAY_UPDATED_STATUS		(1UL<<0)

#define DSPARB			0x70030
#define   DSPARB_CSTART_MASK	(0x7f << 7)
#define   DSPARB_CSTART_SHIFT	7
#define   DSPARB_BSTART_MASK	(0x7f)
#define   DSPARB_BSTART_SHIFT	0
/*
 * The two pipe frame counter registers are not synchronized, so
 * reading a stable value is somewhat tricky. The following code
 * should work:
 *
 *  do {
 *    high1 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
 *             PIPE_FRAME_HIGH_SHIFT;
 *    low1 =  ((INREG(PIPEAFRAMEPIXEL) & PIPE_FRAME_LOW_MASK) >>
 *             PIPE_FRAME_LOW_SHIFT);
 *    high2 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
 *             PIPE_FRAME_HIGH_SHIFT);
 *  } while (high1 != high2);
 *  frame = (high1 << 8) | low1;
 */
#define PIPEAFRAMEHIGH          0x70040
#define   PIPE_FRAME_HIGH_MASK    0x0000ffff
#define   PIPE_FRAME_HIGH_SHIFT   0
#define PIPEAFRAMEPIXEL         0x70044
#define   PIPE_FRAME_LOW_MASK     0xff000000
#define   PIPE_FRAME_LOW_SHIFT    24
#define   PIPE_PIXEL_MASK         0x00ffffff
#define   PIPE_PIXEL_SHIFT        0
/* GM45+ just has to be different */
#define PIPEA_FRMCOUNT_GM45	0x70040
#define PIPEA_FLIPCOUNT_GM45	0x70044

/* Cursor A & B regs */
#define CURACNTR		0x70080
#define   CURSOR_MODE_DISABLE   0x00
#define   CURSOR_MODE_64_32B_AX 0x07
#define   CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
#define   MCURSOR_GAMMA_ENABLE  (1 << 26)
#define CURABASE		0x70084
#define CURAPOS			0x70088
#define   CURSOR_POS_MASK       0x007FF
#define   CURSOR_POS_SIGN       0x8000
#define   CURSOR_X_SHIFT        0
#define   CURSOR_Y_SHIFT        16
#define CURBCNTR		0x700c0
#define CURBBASE		0x700c4
#define CURBPOS			0x700c8

/* Display A control */
#define DSPACNTR                0x70180
#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)
#define DSPAADDR		0x70184
#define DSPASTRIDE		0x70188
#define DSPAPOS			0x7018C /* reserved */
#define DSPASIZE		0x70190
#define DSPASURF		0x7019C /* 965+ only */
#define DSPATILEOFF		0x701A4 /* 965+ only */

/* VBIOS flags */
#define SWF00			0x71410
#define SWF01			0x71414
#define SWF02			0x71418
#define SWF03			0x7141c
#define SWF04			0x71420
#define SWF05			0x71424
#define SWF06			0x71428
#define SWF10			0x70410
#define SWF11			0x70414
#define SWF14			0x71420
#define SWF30			0x72414
#define SWF31			0x72418
#define SWF32			0x7241c

/* Pipe B */
#define PIPEBDSL		0x71000
#define PIPEBCONF		0x71008
#define PIPEBSTAT		0x71024
#define PIPEBFRAMEHIGH		0x71040
#define PIPEBFRAMEPIXEL		0x71044
#define PIPEB_FRMCOUNT_GM45	0x71040
#define PIPEB_FLIPCOUNT_GM45	0x71044

/* Display B control */
#define DSPBCNTR		0x71180
#define   DISPPLANE_ALPHA_TRANS_ENABLE		(1<<15)
#define   DISPPLANE_ALPHA_TRANS_DISABLE		0
#define   DISPPLANE_SPRITE_ABOVE_DISPLAY	0
#define   DISPPLANE_SPRITE_ABOVE_OVERLAY	(1)
#define DSPBADDR		0x71184
#define DSPBSTRIDE		0x71188
#define DSPBPOS			0x7118C
#define DSPBSIZE		0x71190
#define DSPBSURF		0x7119C
#define DSPBTILEOFF		0x711A4

/* VBIOS regs */
#define VGACNTRL		0x71400
# define VGA_DISP_DISABLE			(1 << 31)
# define VGA_2X_MODE				(1 << 30)
# define VGA_PIPE_B_SELECT			(1 << 29)

#endif /* _I915_REG_H_ */