drivers/video/via/accel.h

   1 /*
   2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef __ACCEL_H__
  23 #define __ACCEL_H__
  24
  25 #define FB_ACCEL_VIA_UNICHROME  50
  26
  27 /* MMIO Base Address Definition */
  28 #define MMIO_VGABASE                0x8000
  29 #define MMIO_CR_READ                (MMIO_VGABASE + 0x3D4)
  30 #define MMIO_CR_WRITE               (MMIO_VGABASE + 0x3D5)
  31 #define MMIO_SR_READ                (MMIO_VGABASE + 0x3C4)
  32 #define MMIO_SR_WRITE               (MMIO_VGABASE + 0x3C5)
  33
  34 /* HW Cursor Status Define */
  35 #define HW_Cursor_ON    0
  36 #define HW_Cursor_OFF   1
  37
  38 #define CURSOR_SIZE     (8 * 1024)
  39 #define VQ_SIZE         (256 * 1024)
  40
  41 #define VIA_MMIO_BLTBASE        0x200000
  42 #define VIA_MMIO_BLTSIZE        0x200000
  43
  44 /* Defines for 2D registers */
  45 #define VIA_REG_GECMD           0x000
  46 #define VIA_REG_GEMODE          0x004
  47 #define VIA_REG_SRCPOS          0x008
  48 #define VIA_REG_DSTPOS          0x00C
  49 /* width and height */
  50 #define VIA_REG_DIMENSION       0x010
  51 #define VIA_REG_PATADDR         0x014
  52 #define VIA_REG_FGCOLOR         0x018
  53 #define VIA_REG_BGCOLOR         0x01C
  54 /* top and left of clipping */
  55 #define VIA_REG_CLIPTL          0x020
  56 /* bottom and right of clipping */
  57 #define VIA_REG_CLIPBR          0x024
  58 #define VIA_REG_OFFSET          0x028
  59 /* color key control */
  60 #define VIA_REG_KEYCONTROL      0x02C
  61 #define VIA_REG_SRCBASE         0x030
  62 #define VIA_REG_DSTBASE         0x034
  63 /* pitch of src and dst */
  64 #define VIA_REG_PITCH           0x038
  65 #define VIA_REG_MONOPAT0        0x03C
  66 #define VIA_REG_MONOPAT1        0x040
  67 /* from 0x100 to 0x1ff */
  68 #define VIA_REG_COLORPAT        0x100
  69
  70 /* VIA_REG_PITCH(0x38): Pitch Setting */
  71 #define VIA_PITCH_ENABLE        0x80000000
  72
  73 /* defines for VIA HW cursor registers */
  74 #define VIA_REG_CURSOR_MODE     0x2D0
  75 #define VIA_REG_CURSOR_POS      0x2D4
  76 #define VIA_REG_CURSOR_ORG      0x2D8
  77 #define VIA_REG_CURSOR_BG       0x2DC
  78 #define VIA_REG_CURSOR_FG       0x2E0
  79
  80 /* VIA_REG_GEMODE(0x04): GE mode */
  81 #define VIA_GEM_8bpp            0x00000000
  82 #define VIA_GEM_16bpp           0x00000100
  83 #define VIA_GEM_32bpp           0x00000300
  84
  85 /* VIA_REG_GECMD(0x00): 2D Engine Command  */
  86 #define VIA_GEC_NOOP            0x00000000
  87 #define VIA_GEC_BLT             0x00000001
  88 #define VIA_GEC_LINE            0x00000005
  89
  90 /* Rotate Command */
  91 #define VIA_GEC_ROT             0x00000008
  92
  93 #define VIA_GEC_SRC_XY          0x00000000
  94 #define VIA_GEC_SRC_LINEAR      0x00000010
  95 #define VIA_GEC_DST_XY          0x00000000
  96 #define VIA_GEC_DST_LINRAT      0x00000020
  97
  98 #define VIA_GEC_SRC_FB          0x00000000
  99 #define VIA_GEC_SRC_SYS         0x00000040
 100 #define VIA_GEC_DST_FB          0x00000000
 101 #define VIA_GEC_DST_SYS         0x00000080
 102
 103 /* source is mono */
 104 #define VIA_GEC_SRC_MONO        0x00000100
 105 /* pattern is mono */
 106 #define VIA_GEC_PAT_MONO        0x00000200
 107 /* mono src is opaque */
 108 #define VIA_GEC_MSRC_OPAQUE     0x00000000
 109 /* mono src is transparent */
 110 #define VIA_GEC_MSRC_TRANS      0x00000400
 111 /* pattern is in frame buffer */
 112 #define VIA_GEC_PAT_FB          0x00000000
 113 /* pattern is from reg setting */
 114 #define VIA_GEC_PAT_REG         0x00000800
 115
 116 #define VIA_GEC_CLIP_DISABLE    0x00000000
 117 #define VIA_GEC_CLIP_ENABLE     0x00001000
 118
 119 #define VIA_GEC_FIXCOLOR_PAT    0x00002000
 120
 121 #define VIA_GEC_INCX            0x00000000
 122 #define VIA_GEC_DECY            0x00004000
 123 #define VIA_GEC_INCY            0x00000000
 124 #define VIA_GEC_DECX            0x00008000
 125 /* mono pattern is opaque */
 126 #define VIA_GEC_MPAT_OPAQUE     0x00000000
 127 /* mono pattern is transparent */
 128 #define VIA_GEC_MPAT_TRANS      0x00010000
 129
 130 #define VIA_GEC_MONO_UNPACK     0x00000000
 131 #define VIA_GEC_MONO_PACK       0x00020000
 132 #define VIA_GEC_MONO_DWORD      0x00000000
 133 #define VIA_GEC_MONO_WORD       0x00040000
 134 #define VIA_GEC_MONO_BYTE       0x00080000
 135
 136 #define VIA_GEC_LASTPIXEL_ON    0x00000000
 137 #define VIA_GEC_LASTPIXEL_OFF   0x00100000
 138 #define VIA_GEC_X_MAJOR         0x00000000
 139 #define VIA_GEC_Y_MAJOR         0x00200000
 140 #define VIA_GEC_QUICK_START     0x00800000
 141
 142 /* defines for VIA 3D registers */
 143 #define VIA_REG_STATUS          0x400
 144 #define VIA_REG_CR_TRANSET      0x41C
 145 #define VIA_REG_CR_TRANSPACE    0x420
 146 #define VIA_REG_TRANSET         0x43C
 147 #define VIA_REG_TRANSPACE       0x440
 148
 149 /* VIA_REG_STATUS(0x400): Engine Status */
 150
 151 /* Command Regulator is busy */
 152 #define VIA_CMD_RGTR_BUSY       0x00000080
 153 /* 2D Engine is busy */
 154 #define VIA_2D_ENG_BUSY         0x00000002
 155 /* 3D Engine is busy */
 156 #define VIA_3D_ENG_BUSY         0x00000001
 157 /* Virtual Queue is busy */
 158 #define VIA_VR_QUEUE_BUSY       0x00020000
 159
 160 #define MAXLOOP                 0xFFFFFF
 161
 162 void viafb_init_accel(void);
 163 void viafb_init_2d_engine(void);
 164 void set_2d_color_depth(int);
 165 void viafb_hw_cursor_init(void);
 166 void viafb_show_hw_cursor(struct fb_info *info, int Status); int
 167 viafb_wait_engine_idle(void); void viafb_set_2d_color_depth(int bpp);
 168
 169 #endif /* __ACCEL_H__ */