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
  11 struct 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
 285 struct 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__ */