root/include/video/gbe.h

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/*
 * 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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