LXR linux/include/video/gbe.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * include/video/gbe.h -- SGI GBE (Graphics Back End)
   4 *
   5 * Copyright (C) 1999 Silicon Graphics, Inc. (Jeffrey Newquist)
   6 */
   7
   8#ifndef __GBE_H__
   9#define __GBE_H__
  10
  11struct sgi_gbe {
  12        volatile uint32_t ctrlstat;     /* general control */
  13        volatile uint32_t dotclock;     /* dot clock PLL control */
  14        volatile uint32_t i2c;          /* crt I2C control */
  15        volatile uint32_t sysclk;       /* system clock PLL control */
  16        volatile uint32_t i2cfp;        /* flat panel I2C control */
  17        volatile uint32_t id;           /* device id/chip revision */
  18        volatile uint32_t config;       /* power on configuration [1] */
  19        volatile uint32_t bist;         /* internal bist status [1] */
  20        uint32_t _pad0[0x010000/4 - 8];
  21        volatile uint32_t vt_xy;        /* current dot coords */
  22        volatile uint32_t vt_xymax;     /* maximum dot coords */
  23        volatile uint32_t vt_vsync;     /* vsync on/off */
  24        volatile uint32_t vt_hsync;     /* hsync on/off */
  25        volatile uint32_t vt_vblank;    /* vblank on/off */
  26        volatile uint32_t vt_hblank;    /* hblank on/off */
  27        volatile uint32_t vt_flags;     /* polarity of vt signals */
  28        volatile uint32_t vt_f2rf_lock; /* f2rf & framelck y coord */
  29        volatile uint32_t vt_intr01;    /* intr 0,1 y coords */
  30        volatile uint32_t vt_intr23;    /* intr 2,3 y coords */
  31        volatile uint32_t fp_hdrv;      /* flat panel hdrv on/off */
  32        volatile uint32_t fp_vdrv;      /* flat panel vdrv on/off */
  33        volatile uint32_t fp_de;        /* flat panel de on/off */
  34        volatile uint32_t vt_hpixen;    /* intrnl horiz pixel on/off */
  35        volatile uint32_t vt_vpixen;    /* intrnl vert pixel on/off */
  36        volatile uint32_t vt_hcmap;     /* cmap write (horiz) */
  37        volatile uint32_t vt_vcmap;     /* cmap write (vert) */
  38        volatile uint32_t did_start_xy; /* eol/f did/xy reset val */
  39        volatile uint32_t crs_start_xy; /* eol/f crs/xy reset val */
  40        volatile uint32_t vc_start_xy;  /* eol/f vc/xy reset val */
  41        uint32_t _pad1[0xffb0/4];
  42        volatile uint32_t ovr_width_tile;/*overlay plane ctrl 0 */
  43        volatile uint32_t ovr_inhwctrl; /* overlay plane ctrl 1 */
  44        volatile uint32_t ovr_control;  /* overlay plane ctrl 1 */
  45        uint32_t _pad2[0xfff4/4];
  46        volatile uint32_t frm_size_tile;/* normal plane ctrl 0 */
  47        volatile uint32_t frm_size_pixel;/*normal plane ctrl 1 */
  48        volatile uint32_t frm_inhwctrl; /* normal plane ctrl 2 */
  49        volatile uint32_t frm_control;  /* normal plane ctrl 3 */
  50        uint32_t _pad3[0xfff0/4];
  51        volatile uint32_t did_inhwctrl; /* DID control */
  52        volatile uint32_t did_control;  /* DID shadow */
  53        uint32_t _pad4[0x7ff8/4];
  54        volatile uint32_t mode_regs[32];/* WID table */
  55        uint32_t _pad5[0x7f80/4];
  56        volatile uint32_t cmap[6144];   /* color map */
  57        uint32_t _pad6[0x2000/4];
  58        volatile uint32_t cm_fifo;      /* color map fifo status */
  59        uint32_t _pad7[0x7ffc/4];
  60        volatile uint32_t gmap[256];    /* gamma map */
  61        uint32_t _pad8[0x7c00/4];
  62        volatile uint32_t gmap10[1024]; /* gamma map */
  63        uint32_t _pad9[0x7000/4];
  64        volatile uint32_t crs_pos;      /* cusror control 0 */
  65        volatile uint32_t crs_ctl;      /* cusror control 1 */
  66        volatile uint32_t crs_cmap[3];  /* crs cmap */
  67        uint32_t _pad10[0x7fec/4];
  68        volatile uint32_t crs_glyph[64];/* crs glyph */
  69        uint32_t _pad11[0x7f00/4];
  70        volatile uint32_t vc_0; /* video capture crtl 0 */
  71        volatile uint32_t vc_1; /* video capture crtl 1 */
  72        volatile uint32_t vc_2; /* video capture crtl 2 */
  73        volatile uint32_t vc_3; /* video capture crtl 3 */
  74        volatile uint32_t vc_4; /* video capture crtl 4 */
  75        volatile uint32_t vc_5; /* video capture crtl 5 */
  76        volatile uint32_t vc_6; /* video capture crtl 6 */
  77        volatile uint32_t vc_7; /* video capture crtl 7 */
  78        volatile uint32_t vc_8; /* video capture crtl 8 */
  79};
  80
  81#define MASK(msb, lsb)          \
  82        ( (((u32)1<<((msb)-(lsb)+1))-1) << (lsb) )
  83#define GET(v, msb, lsb)        \
  84        ( ((u32)(v) & MASK(msb,lsb)) >> (lsb) )
  85#define SET(v, f, msb, lsb)     \
  86        ( (v) = ((v)&~MASK(msb,lsb)) | (( (u32)(f)<<(lsb) ) & MASK(msb,lsb)) )
  87
  88#define GET_GBE_FIELD(reg, field, v)            \
  89        GET((v), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
  90#define SET_GBE_FIELD(reg, field, v, f)         \
  91        SET((v), (f), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
  92
  93/*
  94 * Bit mask information
  95 */
  96#define GBE_CTRLSTAT_CHIPID_MSB          3
  97#define GBE_CTRLSTAT_CHIPID_LSB          0
  98#define GBE_CTRLSTAT_SENSE_N_MSB         4
  99#define GBE_CTRLSTAT_SENSE_N_LSB         4
 100#define GBE_CTRLSTAT_PCLKSEL_MSB        29
 101#define GBE_CTRLSTAT_PCLKSEL_LSB        28
 102
 103#define GBE_DOTCLK_M_MSB                 7
 104#define GBE_DOTCLK_M_LSB                 0
 105#define GBE_DOTCLK_N_MSB                13
 106#define GBE_DOTCLK_N_LSB                 8
 107#define GBE_DOTCLK_P_MSB                15
 108#define GBE_DOTCLK_P_LSB                14
 109#define GBE_DOTCLK_RUN_MSB              20
 110#define GBE_DOTCLK_RUN_LSB              20
 111
 112#define GBE_VT_XY_Y_MSB         23
 113#define GBE_VT_XY_Y_LSB         12
 114#define GBE_VT_XY_X_MSB         11
 115#define GBE_VT_XY_X_LSB          0
 116#define GBE_VT_XY_FREEZE_MSB            31
 117#define GBE_VT_XY_FREEZE_LSB            31
 118
 119#define GBE_FP_VDRV_ON_MSB      23
 120#define GBE_FP_VDRV_ON_LSB      12
 121#define GBE_FP_VDRV_OFF_MSB     11
 122#define GBE_FP_VDRV_OFF_LSB     0
 123
 124#define GBE_FP_HDRV_ON_MSB      23
 125#define GBE_FP_HDRV_ON_LSB      12
 126#define GBE_FP_HDRV_OFF_MSB     11
 127#define GBE_FP_HDRV_OFF_LSB     0
 128
 129#define GBE_FP_DE_ON_MSB                23
 130#define GBE_FP_DE_ON_LSB                12
 131#define GBE_FP_DE_OFF_MSB               11
 132#define GBE_FP_DE_OFF_LSB               0
 133
 134#define GBE_VT_VSYNC_VSYNC_ON_MSB       23
 135#define GBE_VT_VSYNC_VSYNC_ON_LSB       12
 136#define GBE_VT_VSYNC_VSYNC_OFF_MSB      11
 137#define GBE_VT_VSYNC_VSYNC_OFF_LSB       0
 138
 139#define GBE_VT_HSYNC_HSYNC_ON_MSB       23
 140#define GBE_VT_HSYNC_HSYNC_ON_LSB       12
 141#define GBE_VT_HSYNC_HSYNC_OFF_MSB      11
 142#define GBE_VT_HSYNC_HSYNC_OFF_LSB       0
 143
 144#define GBE_VT_VBLANK_VBLANK_ON_MSB     23
 145#define GBE_VT_VBLANK_VBLANK_ON_LSB     12
 146#define GBE_VT_VBLANK_VBLANK_OFF_MSB    11
 147#define GBE_VT_VBLANK_VBLANK_OFF_LSB     0
 148
 149#define GBE_VT_HBLANK_HBLANK_ON_MSB     23
 150#define GBE_VT_HBLANK_HBLANK_ON_LSB     12
 151#define GBE_VT_HBLANK_HBLANK_OFF_MSB    11
 152#define GBE_VT_HBLANK_HBLANK_OFF_LSB     0
 153
 154#define GBE_VT_FLAGS_F2RF_HIGH_MSB       6
 155#define GBE_VT_FLAGS_F2RF_HIGH_LSB       6
 156#define GBE_VT_FLAGS_SYNC_LOW_MSB        5
 157#define GBE_VT_FLAGS_SYNC_LOW_LSB        5
 158#define GBE_VT_FLAGS_SYNC_HIGH_MSB       4
 159#define GBE_VT_FLAGS_SYNC_HIGH_LSB       4
 160#define GBE_VT_FLAGS_HDRV_LOW_MSB        3
 161#define GBE_VT_FLAGS_HDRV_LOW_LSB        3
 162#define GBE_VT_FLAGS_HDRV_INVERT_MSB     2
 163#define GBE_VT_FLAGS_HDRV_INVERT_LSB     2
 164#define GBE_VT_FLAGS_VDRV_LOW_MSB        1
 165#define GBE_VT_FLAGS_VDRV_LOW_LSB        1
 166#define GBE_VT_FLAGS_VDRV_INVERT_MSB     0
 167#define GBE_VT_FLAGS_VDRV_INVERT_LSB     0
 168
 169#define GBE_VT_VCMAP_VCMAP_ON_MSB       23
 170#define GBE_VT_VCMAP_VCMAP_ON_LSB       12
 171#define GBE_VT_VCMAP_VCMAP_OFF_MSB      11
 172#define GBE_VT_VCMAP_VCMAP_OFF_LSB       0
 173
 174#define GBE_VT_HCMAP_HCMAP_ON_MSB       23
 175#define GBE_VT_HCMAP_HCMAP_ON_LSB       12
 176#define GBE_VT_HCMAP_HCMAP_OFF_MSB      11
 177#define GBE_VT_HCMAP_HCMAP_OFF_LSB       0
 178
 179#define GBE_VT_XYMAX_MAXX_MSB   11
 180#define GBE_VT_XYMAX_MAXX_LSB    0
 181#define GBE_VT_XYMAX_MAXY_MSB   23
 182#define GBE_VT_XYMAX_MAXY_LSB   12
 183
 184#define GBE_VT_HPIXEN_HPIXEN_ON_MSB     23
 185#define GBE_VT_HPIXEN_HPIXEN_ON_LSB     12
 186#define GBE_VT_HPIXEN_HPIXEN_OFF_MSB    11
 187#define GBE_VT_HPIXEN_HPIXEN_OFF_LSB     0
 188
 189#define GBE_VT_VPIXEN_VPIXEN_ON_MSB     23
 190#define GBE_VT_VPIXEN_VPIXEN_ON_LSB     12
 191#define GBE_VT_VPIXEN_VPIXEN_OFF_MSB    11
 192#define GBE_VT_VPIXEN_VPIXEN_OFF_LSB     0
 193
 194#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_MSB       0
 195#define GBE_OVR_CONTROL_OVR_DMA_ENABLE_LSB       0
 196
 197#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_MSB      0
 198#define GBE_OVR_INHWCTRL_OVR_DMA_ENABLE_LSB      0
 199
 200#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_MSB   13
 201#define GBE_OVR_WIDTH_TILE_OVR_FIFO_RESET_LSB   13
 202
 203#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_MSB       0
 204#define GBE_FRM_CONTROL_FRM_DMA_ENABLE_LSB       0
 205#define GBE_FRM_CONTROL_FRM_TILE_PTR_MSB        31
 206#define GBE_FRM_CONTROL_FRM_TILE_PTR_LSB         9
 207#define GBE_FRM_CONTROL_FRM_LINEAR_MSB           1
 208#define GBE_FRM_CONTROL_FRM_LINEAR_LSB           1
 209
 210#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_MSB      0
 211#define GBE_FRM_INHWCTRL_FRM_DMA_ENABLE_LSB      0
 212
 213#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_MSB    12
 214#define GBE_FRM_SIZE_TILE_FRM_WIDTH_TILE_LSB     5
 215#define GBE_FRM_SIZE_TILE_FRM_RHS_MSB            4
 216#define GBE_FRM_SIZE_TILE_FRM_RHS_LSB            0
 217#define GBE_FRM_SIZE_TILE_FRM_DEPTH_MSB         14
 218#define GBE_FRM_SIZE_TILE_FRM_DEPTH_LSB         13
 219#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_MSB    15
 220#define GBE_FRM_SIZE_TILE_FRM_FIFO_RESET_LSB    15
 221
 222#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_MSB    31
 223#define GBE_FRM_SIZE_PIXEL_FB_HEIGHT_PIX_LSB    16
 224
 225#define GBE_DID_CONTROL_DID_DMA_ENABLE_MSB       0
 226#define GBE_DID_CONTROL_DID_DMA_ENABLE_LSB       0
 227#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_MSB      0
 228#define GBE_DID_INHWCTRL_DID_DMA_ENABLE_LSB      0
 229
 230#define GBE_DID_START_XY_DID_STARTY_MSB         23
 231#define GBE_DID_START_XY_DID_STARTY_LSB         12
 232#define GBE_DID_START_XY_DID_STARTX_MSB         11
 233#define GBE_DID_START_XY_DID_STARTX_LSB          0
 234
 235#define GBE_CRS_START_XY_CRS_STARTY_MSB         23
 236#define GBE_CRS_START_XY_CRS_STARTY_LSB         12
 237#define GBE_CRS_START_XY_CRS_STARTX_MSB         11
 238#define GBE_CRS_START_XY_CRS_STARTX_LSB          0
 239
 240#define GBE_WID_AUX_MSB         12
 241#define GBE_WID_AUX_LSB         11
 242#define GBE_WID_GAMMA_MSB       10
 243#define GBE_WID_GAMMA_LSB       10
 244#define GBE_WID_CM_MSB           9
 245#define GBE_WID_CM_LSB           5
 246#define GBE_WID_TYP_MSB          4
 247#define GBE_WID_TYP_LSB          2
 248#define GBE_WID_BUF_MSB          1
 249#define GBE_WID_BUF_LSB          0
 250
 251#define GBE_VC_START_XY_VC_STARTY_MSB   23
 252#define GBE_VC_START_XY_VC_STARTY_LSB   12
 253#define GBE_VC_START_XY_VC_STARTX_MSB   11
 254#define GBE_VC_START_XY_VC_STARTX_LSB    0
 255
 256/* Constants */
 257
 258#define GBE_FRM_DEPTH_8         0
 259#define GBE_FRM_DEPTH_16        1
 260#define GBE_FRM_DEPTH_32        2
 261
 262#define GBE_CMODE_I8            0
 263#define GBE_CMODE_I12           1
 264#define GBE_CMODE_RG3B2         2
 265#define GBE_CMODE_RGB4          3
 266#define GBE_CMODE_ARGB5         4
 267#define GBE_CMODE_RGB8          5
 268#define GBE_CMODE_RGBA5         6
 269#define GBE_CMODE_RGB10         7
 270
 271#define GBE_BMODE_BOTH          3
 272
 273#define GBE_CRS_MAGIC           54
 274#define GBE_PIXEN_MAGIC_ON      19
 275#define GBE_PIXEN_MAGIC_OFF      2
 276
 277#define GBE_TLB_SIZE            128
 278
 279/* [1] - only GBE revision 2 and later */
 280
 281/*
 282 * Video Timing Data Structure
 283 */
 284
 285struct gbe_timing_info {
 286        int flags;
 287        short width;            /* Monitor resolution */
 288        short height;
 289        int fields_sec;         /* fields/sec  (Hz -3 dec. places */
 290        int cfreq;              /* pixel clock frequency (MHz -3 dec. places) */
 291        short htotal;           /* Horizontal total pixels */
 292        short hblank_start;     /* Horizontal blank start */
 293        short hblank_end;       /* Horizontal blank end */
 294        short hsync_start;      /* Horizontal sync start */
 295        short hsync_end;        /* Horizontal sync end */
 296        short vtotal;           /* Vertical total lines */
 297        short vblank_start;     /* Vertical blank start */
 298        short vblank_end;       /* Vertical blank end */
 299        short vsync_start;      /* Vertical sync start */
 300        short vsync_end;        /* Vertical sync end */
 301        short pll_m;            /* PLL M parameter */
 302        short pll_n;            /* PLL P parameter */
 303        short pll_p;            /* PLL N parameter */
 304};
 305
 306/* Defines for gbe_vof_info_t flags */
 307
 308#define GBE_VOF_UNKNOWNMON      1
 309#define GBE_VOF_STEREO          2
 310#define GBE_VOF_DO_GENSYNC      4       /* enable incoming sync */
 311#define GBE_VOF_SYNC_ON_GREEN   8       /* sync on green */
 312#define GBE_VOF_FLATPANEL       0x1000  /* FLATPANEL Timing */
 313#define GBE_VOF_MAGICKEY        0x2000  /* Backdoor key */
 314
 315#endif          /* ! __GBE_H__ */
 316