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