--- /dev/null
+/*
+ * include/video/gbe.h -- SGI GBE (Graphics Back End)
+ *
+ * Copyright (C) 1999 Silicon Graphics, Inc. (Jeffrey Newquist)
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef __GBE_H__
+#define __GBE_H__
+
+struct sgi_gbe {
+ volatile uint32_t ctrlstat; /* general control */
+ volatile uint32_t dotclock; /* dot clock PLL control */
+ volatile uint32_t i2c; /* crt I2C control */
+ volatile uint32_t sysclk; /* system clock PLL control */
+ volatile uint32_t i2cfp; /* flat panel I2C control */
+ volatile uint32_t id; /* device id/chip revision */
+ volatile uint32_t config; /* power on configuration [1] */
+ volatile uint32_t bist; /* internal bist status [1] */
+ uint32_t _pad0[0x010000/4 - 8];
+ volatile uint32_t vt_xy; /* current dot coords */
+ volatile uint32_t vt_xymax; /* maximum dot coords */
+ volatile uint32_t vt_vsync; /* vsync on/off */
+ volatile uint32_t vt_hsync; /* hsync on/off */
+ volatile uint32_t vt_vblank; /* vblank on/off */
+ volatile uint32_t vt_hblank; /* hblank on/off */
+ volatile uint32_t vt_flags; /* polarity of vt signals */
+ volatile uint32_t vt_f2rf_lock; /* f2rf & framelck y coord */
+ volatile uint32_t vt_intr01; /* intr 0,1 y coords */
+ volatile uint32_t vt_intr23; /* intr 2,3 y coords */
+ volatile uint32_t fp_hdrv; /* flat panel hdrv on/off */
+ volatile uint32_t fp_vdrv; /* flat panel vdrv on/off */
+ volatile uint32_t fp_de; /* flat panel de on/off */
+ volatile uint32_t vt_hpixen; /* intrnl horiz pixel on/off */
+ volatile uint32_t vt_vpixen; /* intrnl vert pixel on/off */
+ volatile uint32_t vt_hcmap; /* cmap write (horiz) */
+ volatile uint32_t vt_vcmap; /* cmap write (vert) */
+ volatile uint32_t did_start_xy; /* eol/f did/xy reset val */
+ volatile uint32_t crs_start_xy; /* eol/f crs/xy reset val */
+ volatile uint32_t vc_start_xy; /* eol/f vc/xy reset val */
+ uint32_t _pad1[0xffb0/4];
+ volatile uint32_t ovr_width_tile;/*overlay plane ctrl 0 */
+ volatile uint32_t ovr_inhwctrl; /* overlay plane ctrl 1 */
+ volatile uint32_t ovr_control; /* overlay plane ctrl 1 */
+ uint32_t _pad2[0xfff4/4];
+ volatile uint32_t frm_size_tile;/* normal plane ctrl 0 */
+ volatile uint32_t frm_size_pixel;/*normal plane ctrl 1 */
+ volatile uint32_t frm_inhwctrl; /* normal plane ctrl 2 */
+ volatile uint32_t frm_control; /* normal plane ctrl 3 */
+ uint32_t _pad3[0xfff0/4];
+ volatile uint32_t did_inhwctrl; /* DID control */
+ volatile uint32_t did_control; /* DID shadow */
+ uint32_t _pad4[0x7ff8/4];
+ volatile uint32_t mode_regs[32];/* WID table */
+ uint32_t _pad5[0x7f80/4];
+ volatile uint32_t cmap[6144]; /* color map */
+ uint32_t _pad6[0x2000/4];
+ volatile uint32_t cm_fifo; /* color map fifo status */
+ uint32_t _pad7[0x7ffc/4];
+ volatile uint32_t gmap[256]; /* gamma map */
+ uint32_t _pad8[0x7c00/4];
+ volatile uint32_t gmap10[1024]; /* gamma map */
+ uint32_t _pad9[0x7000/4];
+ volatile uint32_t crs_pos; /* cusror control 0 */
+ volatile uint32_t crs_ctl; /* cusror control 1 */
+ volatile uint32_t crs_cmap[3]; /* crs cmap */
+ uint32_t _pad10[0x7fec/4];
+ volatile uint32_t crs_glyph[64];/* crs glyph */
+ uint32_t _pad11[0x7f00/4];
+ volatile uint32_t vc_0; /* video capture crtl 0 */
+ volatile uint32_t vc_1; /* video capture crtl 1 */
+ volatile uint32_t vc_2; /* video capture crtl 2 */
+ volatile uint32_t vc_3; /* video capture crtl 3 */
+ volatile uint32_t vc_4; /* video capture crtl 4 */
+ volatile uint32_t vc_5; /* video capture crtl 5 */
+ volatile uint32_t vc_6; /* video capture crtl 6 */
+ volatile uint32_t vc_7; /* video capture crtl 7 */
+ volatile uint32_t vc_8; /* video capture crtl 8 */
+};
+
+#define MASK(msb, lsb) \
+ ( (((u32)1<<((msb)-(lsb)+1))-1) << (lsb) )
+#define GET(v, msb, lsb) \
+ ( ((u32)(v) & MASK(msb,lsb)) >> (lsb) )
+#define SET(v, f, msb, lsb) \
+ ( (v) = ((v)&~MASK(msb,lsb)) | (( (u32)(f)<<(lsb) ) & MASK(msb,lsb)) )
+
+#define GET_GBE_FIELD(reg, field, v) \
+ GET((v), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
+#define SET_GBE_FIELD(reg, field, v, f) \
+ SET((v), (f), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
+
+/*
+ * Bit mask information
+ */
+#define GBE_CTRLSTAT_CHIPID_MSB 3
+#define GBE_CTRLSTAT_CHIPID_LSB 0
+#define GBE_CTRLSTAT_SENSE_N_MSB 4
+#define GBE_CTRLSTAT_SENSE_N_LSB 4
+#define GBE_CTRLSTAT_PCLKSEL_MSB 29
+#define GBE_CTRLSTAT_PCLKSEL_LSB 28
+
+#define GBE_DOTCLK_M_MSB 7
+#define GBE_DOTCLK_M_LSB 0
+#define GBE_DOTCLK_N_MSB 13
+#define GBE_DOTCLK_N_LSB 8
+#define GBE_DOTCLK_P_MSB 15
+#define GBE_DOTCLK_P_LSB 14
+#define GBE_DOTCLK_RUN_MSB 20
+#define GBE_DOTCLK_RUN_LSB 20
+
+#define GBE_VT_XY_Y_MSB 23
+#define GBE_VT_XY_Y_LSB 12
+#define GBE_VT_XY_X_MSB 11
+#define GBE_VT_XY_X_LSB 0
+#define GBE_VT_XY_FREEZE_MSB 31
+#define GBE_VT_XY_FREEZE_LSB 31
+
+#define GBE_FP_VDRV_ON_MSB 23
+#define GBE_FP_VDRV_ON_LSB 12
+#define GBE_FP_VDRV_OFF_MSB 11
+#define GBE_FP_VDRV_OFF_LSB 0
+
+#define GBE_FP_HDRV_ON_MSB 23
+#define GBE_FP_HDRV_ON_LSB 12
+#define GBE_FP_HDRV_OFF_MSB 11
+#define GBE_FP_HDRV_OFF_LSB 0
+
+#define GBE_FP_DE_ON_MSB 23
+#define GBE_FP_DE_ON_LSB 12
+#define GBE_FP_DE_OFF_MSB 11
+#define GBE_FP_DE_OFF_LSB 0
+
+#define GBE_VT_VSYNC_VSYNC_ON_MSB 23
+#define GBE_VT_VSYNC_VSYNC_ON_LSB 12
+#define GBE_VT_VSYNC_VSYNC_OFF_MSB 11
+#define GBE_VT_VSYNC_VSYNC_OFF_LSB 0
+
+#define GBE_VT_HSYNC_HSYNC_ON_MSB 23
+#define GBE_VT_HSYNC_HSYNC_ON_LSB 12
+#define GBE_VT_HSYNC_HSYNC_OFF_MSB 11
+#define GBE_VT_HSYNC_HSYNC_OFF_LSB 0
+
+#define GBE_VT_VBLANK_VBLANK_ON_MSB 23
+#define GBE_VT_VBLANK_VBLANK_ON_LSB 12
+#define GBE_VT_VBLANK_VBLANK_OFF_MSB 11
+#define GBE_VT_VBLANK_VBLANK_OFF_LSB 0
+
+#define GBE_VT_HBLANK_HBLANK_ON_MSB 23
+#define GBE_VT_HBLANK_HBLANK_ON_LSB 12
+#define GBE_VT_HBLANK_HBLANK_OFF_MSB 11
+#define GBE_VT_HBLANK_HBLANK_OFF_LSB 0
+
+#define GBE_VT_FLAGS_F2RF_HIGH_MSB 6
+#define GBE_VT_FLAGS_F2RF_HIGH_LSB 6
+#define GBE_VT_FLAGS_SYNC_LOW_MSB 5
+#define GBE_VT_FLAGS_SYNC_LOW_LSB 5
+#define GBE_VT_FLAGS_SYNC_HIGH_MSB 4
+#define GBE_VT_FLAGS_SYNC_HIGH_LSB 4
+#define GBE_VT_FLAGS_HDRV_LOW_MSB 3
+#define GBE_VT_FLAGS_HDRV_LOW_LSB 3
+#define GBE_VT_FLAGS_HDRV_INVERT_MSB 2
+#define GBE_VT_FLAGS_HDRV_INVERT_LSB 2
+#define GBE_VT_FLAGS_VDRV_LOW_MSB 1
+#define GBE_VT_FLAGS_VDRV_LOW_LSB 1
+#define GBE_VT_FLAGS_VDRV_INVERT_MSB 0
+#define GBE_VT_FLAGS_VDRV_INVERT_LSB 0
+
+#define GBE_VT_VCMAP_VCMAP_ON_MSB 23
+#define GBE_VT_VCMAP_VCMAP_ON_LSB 12
+#define GBE_VT_VCMAP_VCMAP_OFF_MSB 11
+#define GBE_VT_VCMAP_VCMAP_OFF_LSB 0
+
+#define GBE_VT_HCMAP_HCMAP_ON_MSB 23
+#define GBE_VT_HCMAP_HCMAP_ON_LSB 12
+#define GBE_VT_HCMAP_HCMAP_OFF_MSB 11
+#define GBE_VT_HCMAP_HCMAP_OFF_LSB 0
+
+#define GBE_VT_XYMAX_MAXX_MSB 11
+#define GBE_VT_XYMAX_MAXX_LSB 0
+#define GBE_VT_XYMAX_MAXY_MSB 23
+#define GBE_VT_XYMAX_MAXY_LSB 12
+
+#define GBE_VT_HPIXEN_HPIXEN_ON_MSB 23
+#define GBE_VT_HPIXEN_HPIXEN_ON_LSB 12
+#define GBE_VT_HPIXEN_HPIXEN_OFF_MSB 11
+#define GBE_VT_HPIXEN_HPIXEN_OFF_LSB 0
+
+#define GBE_VT_VPIXEN_VPIXEN_ON_MSB 23
+#define GBE_VT_VPIXEN_VPIXEN_ON_LSB 12
+#define GBE_VT_VPIXEN_VPIXEN_OFF_MSB 11
+#define GBE_VT_VPIXEN_VPIXEN_OFF_LSB 0
+
+#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_MSB 0
+#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_LSB 0
+
+#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_MSB 0
+#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_LSB 0
+
+#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_MSB 13
+#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_LSB 13
+
+#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_MSB 0
+#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_LSB 0
+#define GBE_FRM_CONTROL_FRM_TILE_PTR_MSB 31
+#define GBE_FRM_CONTROL_FRM_TILE_PTR_LSB 9
+#define GBE_FRM_CONTROL_FRM_LINEAR_MSB 1
+#define GBE_FRM_CONTROL_FRM_LINEAR_LSB 1
+
+#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_MSB 0
+#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_LSB 0
+
+#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_MSB 12
+#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_LSB 5
+#define GBE_FRM_SIZE_TILE_FRM_RHS_MSB 4
+#define GBE_FRM_SIZE_TILE_FRM_RHS_LSB 0
+#define GBE_FRM_SIZE_TILE_FRM_DEPTH_MSB 14
+#define GBE_FRM_SIZE_TILE_FRM_DEPTH_LSB 13
+#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_MSB 15
+#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_LSB 15
+
+#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_MSB 31
+#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_LSB 16
+
+#define GBE_DID_CONTROL_DID_DMA_ENABLE_MSB 0
+#define GBE_DID_CONTROL_DID_DMA_ENABLE_LSB 0
+#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_MSB 0
+#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_LSB 0
+
+#define GBE_DID_START_XY_DID_STARTY_MSB 23
+#define GBE_DID_START_XY_DID_STARTY_LSB 12
+#define GBE_DID_START_XY_DID_STARTX_MSB 11
+#define GBE_DID_START_XY_DID_STARTX_LSB 0
+
+#define GBE_CRS_START_XY_CRS_STARTY_MSB 23
+#define GBE_CRS_START_XY_CRS_STARTY_LSB 12
+#define GBE_CRS_START_XY_CRS_STARTX_MSB 11
+#define GBE_CRS_START_XY_CRS_STARTX_LSB 0
+
+#define GBE_WID_AUX_MSB 12
+#define GBE_WID_AUX_LSB 11
+#define GBE_WID_GAMMA_MSB 10
+#define GBE_WID_GAMMA_LSB 10
+#define GBE_WID_CM_MSB 9
+#define GBE_WID_CM_LSB 5
+#define GBE_WID_TYP_MSB 4
+#define GBE_WID_TYP_LSB 2
+#define GBE_WID_BUF_MSB 1
+#define GBE_WID_BUF_LSB 0
+
+#define GBE_VC_START_XY_VC_STARTY_MSB 23
+#define GBE_VC_START_XY_VC_STARTY_LSB 12
+#define GBE_VC_START_XY_VC_STARTX_MSB 11
+#define GBE_VC_START_XY_VC_STARTX_LSB 0
+
+/* Constants */
+
+#define GBE_FRM_DEPTH_8 0
+#define GBE_FRM_DEPTH_16 1
+#define GBE_FRM_DEPTH_32 2
+
+#define GBE_CMODE_I8 0
+#define GBE_CMODE_I12 1
+#define GBE_CMODE_RG3B2 2
+#define GBE_CMODE_RGB4 3
+#define GBE_CMODE_ARGB5 4
+#define GBE_CMODE_RGB8 5
+#define GBE_CMODE_RGBA5 6
+#define GBE_CMODE_RGB10 7
+
+#define GBE_BMODE_BOTH 3
+
+#define GBE_CRS_MAGIC 54
+#define GBE_PIXEN_MAGIC_ON 19
+#define GBE_PIXEN_MAGIC_OFF 2
+
+#define GBE_TLB_SIZE 128
+
+/* [1] - only GBE revision 2 and later */
+
+/*
+ * Video Timing Data Structure
+ */
+
+struct gbe_timing_info {
+ int flags;
+ short width; /* Monitor resolution */
+ short height;
+ int fields_sec; /* fields/sec (Hz -3 dec. places */
+ int cfreq; /* pixel clock frequency (MHz -3 dec. places) */
+ short htotal; /* Horizontal total pixels */
+ short hblank_start; /* Horizontal blank start */
+ short hblank_end; /* Horizontal blank end */
+ short hsync_start; /* Horizontal sync start */
+ short hsync_end; /* Horizontal sync end */
+ short vtotal; /* Vertical total lines */
+ short vblank_start; /* Vertical blank start */
+ short vblank_end; /* Vertical blank end */
+ short vsync_start; /* Vertical sync start */
+ short vsync_end; /* Vertical sync end */
+ short pll_m; /* PLL M parameter */
+ short pll_n; /* PLL P parameter */
+ short pll_p; /* PLL N parameter */
+};
+
+/* Defines for gbe_vof_info_t flags */
+
+#define GBE_VOF_UNKNOWNMON 1
+#define GBE_VOF_STEREO 2
+#define GBE_VOF_DO_GENSYNC 4 /* enable incoming sync */
+#define GBE_VOF_SYNC_ON_GREEN 8 /* sync on green */
+#define GBE_VOF_FLATPANEL 0x1000 /* FLATPANEL Timing */
+#define GBE_VOF_MAGICKEY 0x2000 /* Backdoor key */
+
+#endif /* ! __GBE_H__ */
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