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467 | giacomo | 1 | /* $Id: newport.h,v 1.1 2004-02-26 09:24:15 giacomo Exp $ |
2 | * |
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3 | * newport.h: Defines and register layout for NEWPORT graphics |
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4 | * hardware. |
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5 | * |
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6 | * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) |
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7 | * |
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8 | * Ulf Carlsson - Compability with the IRIX structures added |
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9 | */ |
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10 | |||
11 | #ifndef _SGI_NEWPORT_H |
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12 | #define _SGI_NEWPORT_H |
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13 | |||
14 | |||
15 | typedef volatile unsigned int npireg_t; |
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16 | |||
17 | union npfloat { |
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18 | volatile float flt; |
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19 | npireg_t word; |
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20 | }; |
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21 | |||
22 | typedef union npfloat npfreg_t; |
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23 | |||
24 | union np_dcb { |
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25 | npireg_t byword; |
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26 | struct { volatile unsigned short s0, s1; } byshort; |
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27 | struct { volatile unsigned char b0, b1, b2, b3; } bybytes; |
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28 | }; |
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29 | |||
30 | struct newport_rexregs { |
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31 | npireg_t drawmode1; /* GL extra mode bits */ |
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32 | |||
33 | #define DM1_PLANES 0x00000007 |
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34 | #define DM1_NOPLANES 0x00000000 |
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35 | #define DM1_RGBPLANES 0x00000001 |
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36 | #define DM1_RGBAPLANES 0x00000002 |
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37 | #define DM1_OLAYPLANES 0x00000004 |
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38 | #define DM1_PUPPLANES 0x00000005 |
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39 | #define DM1_CIDPLANES 0x00000006 |
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40 | |||
41 | #define NPORT_DMODE1_DDMASK 0x00000018 |
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42 | #define NPORT_DMODE1_DD4 0x00000000 |
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43 | #define NPORT_DMODE1_DD8 0x00000008 |
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44 | #define NPORT_DMODE1_DD12 0x00000010 |
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45 | #define NPORT_DMODE1_DD24 0x00000018 |
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46 | #define NPORT_DMODE1_DSRC 0x00000020 |
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47 | #define NPORT_DMODE1_YFLIP 0x00000040 |
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48 | #define NPORT_DMODE1_RWPCKD 0x00000080 |
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49 | #define NPORT_DMODE1_HDMASK 0x00000300 |
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50 | #define NPORT_DMODE1_HD4 0x00000000 |
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51 | #define NPORT_DMODE1_HD8 0x00000100 |
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52 | #define NPORT_DMODE1_HD12 0x00000200 |
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53 | #define NPORT_DMODE1_HD32 0x00000300 |
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54 | #define NPORT_DMODE1_RWDBL 0x00000400 |
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55 | #define NPORT_DMODE1_ESWAP 0x00000800 /* Endian swap */ |
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56 | #define NPORT_DMODE1_CCMASK 0x00007000 |
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57 | #define NPORT_DMODE1_CCLT 0x00001000 |
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58 | #define NPORT_DMODE1_CCEQ 0x00002000 |
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59 | #define NPORT_DMODE1_CCGT 0x00004000 |
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60 | #define NPORT_DMODE1_RGBMD 0x00008000 |
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61 | #define NPORT_DMODE1_DENAB 0x00010000 /* Dither enable */ |
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62 | #define NPORT_DMODE1_FCLR 0x00020000 /* Fast clear */ |
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63 | #define NPORT_DMODE1_BENAB 0x00040000 /* Blend enable */ |
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64 | #define NPORT_DMODE1_SFMASK 0x00380000 |
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65 | #define NPORT_DMODE1_SF0 0x00000000 |
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66 | #define NPORT_DMODE1_SF1 0x00080000 |
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67 | #define NPORT_DMODE1_SFDC 0x00100000 |
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68 | #define NPORT_DMODE1_SFMDC 0x00180000 |
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69 | #define NPORT_DMODE1_SFSA 0x00200000 |
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70 | #define NPORT_DMODE1_SFMSA 0x00280000 |
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71 | #define NPORT_DMODE1_DFMASK 0x01c00000 |
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72 | #define NPORT_DMODE1_DF0 0x00000000 |
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73 | #define NPORT_DMODE1_DF1 0x00400000 |
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74 | #define NPORT_DMODE1_DFSC 0x00800000 |
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75 | #define NPORT_DMODE1_DFMSC 0x00c00000 |
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76 | #define NPORT_DMODE1_DFSA 0x01000000 |
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77 | #define NPORT_DMODE1_DFMSA 0x01400000 |
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78 | #define NPORT_DMODE1_BBENAB 0x02000000 /* Back blend enable */ |
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79 | #define NPORT_DMODE1_PFENAB 0x04000000 /* Pre-fetch enable */ |
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80 | #define NPORT_DMODE1_ABLEND 0x08000000 /* Alpha blend */ |
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81 | #define NPORT_DMODE1_LOMASK 0xf0000000 |
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82 | #define NPORT_DMODE1_LOZERO 0x00000000 |
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83 | #define NPORT_DMODE1_LOAND 0x10000000 |
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84 | #define NPORT_DMODE1_LOANDR 0x20000000 |
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85 | #define NPORT_DMODE1_LOSRC 0x30000000 |
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86 | #define NPORT_DMODE1_LOANDI 0x40000000 |
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87 | #define NPORT_DMODE1_LODST 0x50000000 |
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88 | #define NPORT_DMODE1_LOXOR 0x60000000 |
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89 | #define NPORT_DMODE1_LOOR 0x70000000 |
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90 | #define NPORT_DMODE1_LONOR 0x80000000 |
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91 | #define NPORT_DMODE1_LOXNOR 0x90000000 |
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92 | #define NPORT_DMODE1_LONDST 0xa0000000 |
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93 | #define NPORT_DMODE1_LOORR 0xb0000000 |
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94 | #define NPORT_DMODE1_LONSRC 0xc0000000 |
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95 | #define NPORT_DMODE1_LOORI 0xd0000000 |
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96 | #define NPORT_DMODE1_LONAND 0xe0000000 |
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97 | #define NPORT_DMODE1_LOONE 0xf0000000 |
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98 | |||
99 | npireg_t drawmode0; /* REX command register */ |
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100 | |||
101 | /* These bits define the graphics opcode being performed. */ |
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102 | #define NPORT_DMODE0_OPMASK 0x00000003 /* Opcode mask */ |
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103 | #define NPORT_DMODE0_NOP 0x00000000 /* No operation */ |
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104 | #define NPORT_DMODE0_RD 0x00000001 /* Read operation */ |
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105 | #define NPORT_DMODE0_DRAW 0x00000002 /* Draw operation */ |
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106 | #define NPORT_DMODE0_S2S 0x00000003 /* Screen to screen operation */ |
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107 | |||
108 | /* The following decide what addressing mode(s) are to be used */ |
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109 | #define NPORT_DMODE0_AMMASK 0x0000001c /* Address mode mask */ |
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110 | #define NPORT_DMODE0_SPAN 0x00000000 /* Spanning address mode */ |
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111 | #define NPORT_DMODE0_BLOCK 0x00000004 /* Block address mode */ |
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112 | #define NPORT_DMODE0_ILINE 0x00000008 /* Iline address mode */ |
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113 | #define NPORT_DMODE0_FLINE 0x0000000c /* Fline address mode */ |
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114 | #define NPORT_DMODE0_ALINE 0x00000010 /* Aline address mode */ |
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115 | #define NPORT_DMODE0_TLINE 0x00000014 /* Tline address mode */ |
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116 | #define NPORT_DMODE0_BLINE 0x00000018 /* Bline address mode */ |
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117 | |||
118 | /* And now some misc. operation control bits. */ |
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119 | #define NPORT_DMODE0_DOSETUP 0x00000020 |
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120 | #define NPORT_DMODE0_CHOST 0x00000040 |
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121 | #define NPORT_DMODE0_AHOST 0x00000080 |
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122 | #define NPORT_DMODE0_STOPX 0x00000100 |
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123 | #define NPORT_DMODE0_STOPY 0x00000200 |
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124 | #define NPORT_DMODE0_SK1ST 0x00000400 |
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125 | #define NPORT_DMODE0_SKLST 0x00000800 |
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126 | #define NPORT_DMODE0_ZPENAB 0x00001000 |
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127 | #define NPORT_DMODE0_LISPENAB 0x00002000 |
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128 | #define NPORT_DMODE0_LISLST 0x00004000 |
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129 | #define NPORT_DMODE0_L32 0x00008000 |
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130 | #define NPORT_DMODE0_ZOPQ 0x00010000 |
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131 | #define NPORT_DMODE0_LISOPQ 0x00020000 |
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132 | #define NPORT_DMODE0_SHADE 0x00040000 |
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133 | #define NPORT_DMODE0_LRONLY 0x00080000 |
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134 | #define NPORT_DMODE0_XYOFF 0x00100000 |
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135 | #define NPORT_DMODE0_CLAMP 0x00200000 |
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136 | #define NPORT_DMODE0_ENDPF 0x00400000 |
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137 | #define NPORT_DMODE0_YSTR 0x00800000 |
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138 | |||
139 | npireg_t lsmode; /* Mode for line stipple ops */ |
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140 | npireg_t lspattern; /* Pattern for line stipple ops */ |
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141 | npireg_t lspatsave; /* Backup save pattern */ |
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142 | npireg_t zpattern; /* Pixel zpattern */ |
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143 | npireg_t colorback; /* Background color */ |
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144 | npireg_t colorvram; /* Clear color for fast vram */ |
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145 | npireg_t alpharef; /* Reference value for afunctions */ |
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146 | unsigned int pad0; |
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147 | npireg_t smask0x; /* Window GL relative screen mask 0 */ |
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148 | npireg_t smask0y; /* Window GL relative screen mask 0 */ |
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149 | npireg_t _setup; |
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150 | npireg_t _stepz; |
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151 | npireg_t _lsrestore; |
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152 | npireg_t _lssave; |
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153 | |||
154 | unsigned int _pad1[0x30]; |
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155 | |||
156 | /* Iterators, full state for context switch */ |
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157 | npfreg_t _xstart; /* X-start point (current) */ |
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158 | npfreg_t _ystart; /* Y-start point (current) */ |
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159 | npfreg_t _xend; /* x-end point */ |
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160 | npfreg_t _yend; /* y-end point */ |
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161 | npireg_t xsave; /* copy of xstart integer value for BLOCk addressing MODE */ |
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162 | npireg_t xymove; /* x.y offset from xstart, ystart for relative operations */ |
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163 | npfreg_t bresd; |
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164 | npfreg_t bress1; |
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165 | npireg_t bresoctinc1; |
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166 | volatile int bresrndinc2; |
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167 | npireg_t brese1; |
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168 | npireg_t bress2; |
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169 | npireg_t aweight0; |
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170 | npireg_t aweight1; |
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171 | npfreg_t xstartf; |
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172 | npfreg_t ystartf; |
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173 | npfreg_t xendf; |
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174 | npfreg_t yendf; |
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175 | npireg_t xstarti; |
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176 | npfreg_t xendf1; |
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177 | npireg_t xystarti; |
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178 | npireg_t xyendi; |
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179 | npireg_t xstartendi; |
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180 | |||
181 | unsigned int _unused2[0x29]; |
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182 | |||
183 | npfreg_t colorred; |
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184 | npfreg_t coloralpha; |
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185 | npfreg_t colorgrn; |
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186 | npfreg_t colorblue; |
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187 | npfreg_t slopered; |
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188 | npfreg_t slopealpha; |
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189 | npfreg_t slopegrn; |
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190 | npfreg_t slopeblue; |
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191 | npireg_t wrmask; |
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192 | npireg_t colori; |
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193 | npfreg_t colorx; |
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194 | npfreg_t slopered1; |
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195 | npireg_t hostrw0; |
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196 | npireg_t hostrw1; |
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197 | npireg_t dcbmode; |
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198 | #define NPORT_DMODE_WMASK 0x00000003 |
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199 | #define NPORT_DMODE_W4 0x00000000 |
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200 | #define NPORT_DMODE_W1 0x00000001 |
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201 | #define NPORT_DMODE_W2 0x00000002 |
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202 | #define NPORT_DMODE_W3 0x00000003 |
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203 | #define NPORT_DMODE_EDPACK 0x00000004 |
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204 | #define NPORT_DMODE_ECINC 0x00000008 |
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205 | #define NPORT_DMODE_CMASK 0x00000070 |
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206 | #define NPORT_DMODE_AMASK 0x00000780 |
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207 | #define NPORT_DMODE_AVC2 0x00000000 |
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208 | #define NPORT_DMODE_ACMALL 0x00000080 |
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209 | #define NPORT_DMODE_ACM0 0x00000100 |
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210 | #define NPORT_DMODE_ACM1 0x00000180 |
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211 | #define NPORT_DMODE_AXMALL 0x00000200 |
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212 | #define NPORT_DMODE_AXM0 0x00000280 |
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213 | #define NPORT_DMODE_AXM1 0x00000300 |
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214 | #define NPORT_DMODE_ABT 0x00000380 |
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215 | #define NPORT_DMODE_AVCC1 0x00000400 |
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216 | #define NPORT_DMODE_AVAB1 0x00000480 |
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217 | #define NPORT_DMODE_ALG3V0 0x00000500 |
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218 | #define NPORT_DMODE_A1562 0x00000580 |
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219 | #define NPORT_DMODE_ESACK 0x00000800 |
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220 | #define NPORT_DMODE_EASACK 0x00001000 |
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221 | #define NPORT_DMODE_CWMASK 0x0003e000 |
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222 | #define NPORT_DMODE_CHMASK 0x007c0000 |
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223 | #define NPORT_DMODE_CSMASK 0x0f800000 |
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224 | #define NPORT_DMODE_SENDIAN 0x10000000 |
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225 | |||
226 | unsigned int _unused3; |
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227 | |||
228 | union np_dcb dcbdata0; |
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229 | npireg_t dcbdata1; |
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230 | }; |
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231 | |||
232 | struct newport_cregs { |
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233 | npireg_t smask1x; |
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234 | npireg_t smask1y; |
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235 | npireg_t smask2x; |
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236 | npireg_t smask2y; |
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237 | npireg_t smask3x; |
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238 | npireg_t smask3y; |
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239 | npireg_t smask4x; |
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240 | npireg_t smask4y; |
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241 | npireg_t topscan; |
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242 | npireg_t xywin; |
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243 | npireg_t clipmode; |
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244 | #define NPORT_CMODE_SM0 0x00000001 |
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245 | #define NPORT_CMODE_SM1 0x00000002 |
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246 | #define NPORT_CMODE_SM2 0x00000004 |
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247 | #define NPORT_CMODE_SM3 0x00000008 |
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248 | #define NPORT_CMODE_SM4 0x00000010 |
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249 | #define NPORT_CMODE_CMSK 0x00001e00 |
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250 | |||
251 | unsigned int _unused0; |
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252 | unsigned int config; |
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253 | #define NPORT_CFG_G32MD 0x00000001 |
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254 | #define NPORT_CFG_BWIDTH 0x00000002 |
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255 | #define NPORT_CFG_ERCVR 0x00000004 |
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256 | #define NPORT_CFG_BDMSK 0x00000078 |
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257 | #define NPORT_CFG_BFAINT 0x00000080 |
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258 | #define NPORT_CFG_GDMSK 0x00001f80 |
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259 | #define NPORT_CFG_GD0 0x00000100 |
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260 | #define NPORT_CFG_GD1 0x00000200 |
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261 | #define NPORT_CFG_GD2 0x00000400 |
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262 | #define NPORT_CFG_GD3 0x00000800 |
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263 | #define NPORT_CFG_GD4 0x00001000 |
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264 | #define NPORT_CFG_GFAINT 0x00002000 |
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265 | #define NPORT_CFG_TOMSK 0x0001c000 |
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266 | #define NPORT_CFG_VRMSK 0x000e0000 |
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267 | #define NPORT_CFG_FBTYP 0x00100000 |
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268 | |||
269 | npireg_t _unused1; |
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270 | npireg_t status; |
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271 | #define NPORT_STAT_VERS 0x00000007 |
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272 | #define NPORT_STAT_GBUSY 0x00000008 |
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273 | #define NPORT_STAT_BBUSY 0x00000010 |
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274 | #define NPORT_STAT_VRINT 0x00000020 |
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275 | #define NPORT_STAT_VIDINT 0x00000040 |
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276 | #define NPORT_STAT_GLMSK 0x00001f80 |
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277 | #define NPORT_STAT_BLMSK 0x0007e000 |
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278 | #define NPORT_STAT_BFIRQ 0x00080000 |
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279 | #define NPORT_STAT_GFIRQ 0x00100000 |
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280 | |||
281 | npireg_t ustatus; |
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282 | npireg_t dcbreset; |
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283 | }; |
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284 | |||
285 | struct newport_regs { |
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286 | struct newport_rexregs set; |
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287 | unsigned int _unused0[0x16e]; |
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288 | struct newport_rexregs go; |
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289 | unsigned int _unused1[0x22e]; |
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290 | struct newport_cregs cset; |
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291 | unsigned int _unused2[0x1ef]; |
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292 | struct newport_cregs cgo; |
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293 | }; |
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294 | extern struct newport_regs *npregs; |
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295 | |||
296 | |||
297 | typedef struct { |
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298 | unsigned int drawmode1; |
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299 | unsigned int drawmode0; |
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300 | unsigned int lsmode; |
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301 | unsigned int lspattern; |
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302 | unsigned int lspatsave; |
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303 | unsigned int zpattern; |
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304 | unsigned int colorback; |
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305 | unsigned int colorvram; |
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306 | unsigned int alpharef; |
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307 | unsigned int smask0x; |
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308 | unsigned int smask0y; |
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309 | unsigned int _xstart; |
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310 | unsigned int _ystart; |
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311 | unsigned int _xend; |
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312 | unsigned int _yend; |
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313 | unsigned int xsave; |
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314 | unsigned int xymove; |
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315 | unsigned int bresd; |
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316 | unsigned int bress1; |
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317 | unsigned int bresoctinc1; |
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318 | unsigned int bresrndinc2; |
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319 | unsigned int brese1; |
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320 | unsigned int bress2; |
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321 | |||
322 | unsigned int aweight0; |
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323 | unsigned int aweight1; |
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324 | unsigned int colorred; |
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325 | unsigned int coloralpha; |
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326 | unsigned int colorgrn; |
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327 | unsigned int colorblue; |
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328 | unsigned int slopered; |
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329 | unsigned int slopealpha; |
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330 | unsigned int slopegrn; |
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331 | unsigned int slopeblue; |
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332 | unsigned int wrmask; |
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333 | unsigned int hostrw0; |
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334 | unsigned int hostrw1; |
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335 | |||
336 | /* configregs */ |
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337 | |||
338 | unsigned int smask1x; |
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339 | unsigned int smask1y; |
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340 | unsigned int smask2x; |
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341 | unsigned int smask2y; |
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342 | unsigned int smask3x; |
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343 | unsigned int smask3y; |
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344 | unsigned int smask4x; |
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345 | unsigned int smask4y; |
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346 | unsigned int topscan; |
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347 | unsigned int xywin; |
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348 | unsigned int clipmode; |
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349 | unsigned int config; |
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350 | |||
351 | /* dcb registers */ |
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352 | unsigned int dcbmode; |
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353 | unsigned int dcbdata0; |
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354 | unsigned int dcbdata1; |
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355 | } newport_ctx; |
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356 | |||
357 | /* Reading/writing VC2 registers. */ |
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358 | #define VC2_REGADDR_INDEX 0x00000000 |
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359 | #define VC2_REGADDR_IREG 0x00000010 |
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360 | #define VC2_REGADDR_RAM 0x00000030 |
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361 | #define VC2_PROTOCOL (NPORT_DMODE_EASACK | 0x00800000 | 0x00040000) |
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362 | |||
363 | #define VC2_VLINET_ADDR 0x000 |
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364 | #define VC2_VFRAMET_ADDR 0x400 |
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365 | #define VC2_CGLYPH_ADDR 0x500 |
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366 | |||
367 | /* Now the Indexed registers of the VC2. */ |
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368 | #define VC2_IREG_VENTRY 0x00 |
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369 | #define VC2_IREG_CENTRY 0x01 |
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370 | #define VC2_IREG_CURSX 0x02 |
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371 | #define VC2_IREG_CURSY 0x03 |
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372 | #define VC2_IREG_CCURSX 0x04 |
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373 | #define VC2_IREG_DENTRY 0x05 |
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374 | #define VC2_IREG_SLEN 0x06 |
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375 | #define VC2_IREG_RADDR 0x07 |
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376 | #define VC2_IREG_VFPTR 0x08 |
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377 | #define VC2_IREG_VLSPTR 0x09 |
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378 | #define VC2_IREG_VLIR 0x0a |
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379 | #define VC2_IREG_VLCTR 0x0b |
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380 | #define VC2_IREG_CTPTR 0x0c |
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381 | #define VC2_IREG_WCURSY 0x0d |
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382 | #define VC2_IREG_DFPTR 0x0e |
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383 | #define VC2_IREG_DLTPTR 0x0f |
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384 | #define VC2_IREG_CONTROL 0x10 |
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385 | #define VC2_IREG_CONFIG 0x20 |
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386 | |||
387 | extern __inline__ void newport_vc2_set(struct newport_regs *regs, unsigned char vc2ireg, |
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388 | unsigned short val) |
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389 | { |
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390 | regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W3 | |
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391 | NPORT_DMODE_ECINC | VC2_PROTOCOL); |
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392 | regs->set.dcbdata0.byword = (vc2ireg << 24) | (val << 8); |
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393 | } |
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394 | |||
395 | extern __inline__ unsigned short newport_vc2_get(struct newport_regs *regs, |
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396 | unsigned char vc2ireg) |
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397 | { |
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398 | regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W1 | |
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399 | NPORT_DMODE_ECINC | VC2_PROTOCOL); |
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400 | regs->set.dcbdata0.bybytes.b3 = vc2ireg; |
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401 | regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_IREG | NPORT_DMODE_W2 | |
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402 | NPORT_DMODE_ECINC | VC2_PROTOCOL); |
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403 | return regs->set.dcbdata0.byshort.s1; |
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404 | } |
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405 | |||
406 | /* VC2 Control register bits */ |
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407 | #define VC2_CTRL_EVIRQ 0x0001 |
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408 | #define VC2_CTRL_EDISP 0x0002 |
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409 | #define VC2_CTRL_EVIDEO 0x0004 |
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410 | #define VC2_CTRL_EDIDS 0x0008 |
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411 | #define VC2_CTRL_ECURS 0x0010 |
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412 | #define VC2_CTRL_EGSYNC 0x0020 |
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413 | #define VC2_CTRL_EILACE 0x0040 |
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414 | #define VC2_CTRL_ECDISP 0x0080 |
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415 | #define VC2_CTRL_ECCURS 0x0100 |
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416 | #define VC2_CTRL_ECG64 0x0200 |
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417 | #define VC2_CTRL_GLSEL 0x0400 |
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418 | |||
419 | /* Controlling the color map on NEWPORT. */ |
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420 | #define NCMAP_REGADDR_AREG 0x00000000 |
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421 | #define NCMAP_REGADDR_ALO 0x00000000 |
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422 | #define NCMAP_REGADDR_AHI 0x00000010 |
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423 | #define NCMAP_REGADDR_PBUF 0x00000020 |
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424 | #define NCMAP_REGADDR_CREG 0x00000030 |
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425 | #define NCMAP_REGADDR_SREG 0x00000040 |
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426 | #define NCMAP_REGADDR_RREG 0x00000060 |
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427 | #define NCMAP_PROTOCOL (0x00008000 | 0x00040000 | 0x00800000) |
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428 | |||
429 | static __inline__ void newport_cmap_setaddr(struct newport_regs *regs, |
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430 | unsigned short addr) |
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431 | { |
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432 | regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | |
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433 | NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC | |
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434 | NCMAP_REGADDR_AREG | NPORT_DMODE_W2); |
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435 | regs->set.dcbdata0.byshort.s1 = addr; |
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436 | regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | |
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437 | NCMAP_REGADDR_PBUF | NPORT_DMODE_W3); |
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438 | } |
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439 | |||
440 | static __inline__ void newport_cmap_setrgb(struct newport_regs *regs, |
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441 | unsigned char red, |
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442 | unsigned char green, |
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443 | unsigned char blue) |
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444 | { |
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445 | regs->set.dcbdata0.byword = |
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446 | (red << 24) | |
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447 | (green << 16) | |
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448 | (blue << 8); |
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449 | } |
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450 | |||
451 | /* Miscellaneous NEWPORT routines. */ |
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452 | #define BUSY_TIMEOUT 100000 |
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453 | static __inline__ int newport_wait(void) |
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454 | { |
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455 | int i = 0; |
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456 | |||
457 | while(i < BUSY_TIMEOUT) |
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458 | if(!(npregs->cset.status & NPORT_STAT_GBUSY)) |
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459 | break; |
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460 | if(i == BUSY_TIMEOUT) |
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461 | return 1; |
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462 | return 0; |
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463 | } |
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464 | |||
465 | static __inline__ int newport_bfwait(void) |
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466 | { |
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467 | int i = 0; |
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468 | |||
469 | while(i < BUSY_TIMEOUT) |
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470 | if(!(npregs->cset.status & NPORT_STAT_BBUSY)) |
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471 | break; |
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472 | if(i == BUSY_TIMEOUT) |
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473 | return 1; |
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474 | return 0; |
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475 | } |
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476 | |||
477 | /* newport.c and cons_newport.c routines */ |
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478 | extern struct graphics_ops *newport_probe (int, const char **); |
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479 | |||
480 | void newport_save (void *); |
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481 | void newport_restore (void *); |
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482 | void newport_reset (void); |
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483 | int newport_ioctl (int card, int cmd, unsigned long arg); |
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484 | |||
485 | /* |
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486 | * DCBMODE register defines: |
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487 | */ |
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488 | |||
489 | /* Width of the data being transferred for each DCBDATA[01] word */ |
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490 | #define DCB_DATAWIDTH_4 0x0 |
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491 | #define DCB_DATAWIDTH_1 0x1 |
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492 | #define DCB_DATAWIDTH_2 0x2 |
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493 | #define DCB_DATAWIDTH_3 0x3 |
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494 | |||
495 | /* If set, all of DCBDATA will be moved, otherwise only DATAWIDTH bytes */ |
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496 | #define DCB_ENDATAPACK (1 << 2) |
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497 | |||
498 | /* Enables DCBCRS auto increment after each DCB transfer */ |
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499 | #define DCB_ENCRSINC (1 << 3) |
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500 | |||
501 | /* shift for accessing the control register select address (DBCCRS, 3 bits) */ |
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502 | #define DCB_CRS_SHIFT 4 |
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503 | |||
504 | /* DCBADDR (4 bits): display bus slave address */ |
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505 | #define DCB_ADDR_SHIFT 7 |
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506 | #define DCB_VC2 (0 << DCB_ADDR_SHIFT) |
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507 | #define DCB_CMAP_ALL (1 << DCB_ADDR_SHIFT) |
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508 | #define DCB_CMAP0 (2 << DCB_ADDR_SHIFT) |
||
509 | #define DCB_CMAP1 (3 << DCB_ADDR_SHIFT) |
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510 | #define DCB_XMAP_ALL (4 << DCB_ADDR_SHIFT) |
||
511 | #define DCB_XMAP0 (5 << DCB_ADDR_SHIFT) |
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512 | #define DCB_XMAP1 (6 << DCB_ADDR_SHIFT) |
||
513 | #define DCB_BT445 (7 << DCB_ADDR_SHIFT) |
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514 | #define DCB_VCC1 (8 << DCB_ADDR_SHIFT) |
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515 | #define DCB_VAB1 (9 << DCB_ADDR_SHIFT) |
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516 | #define DCB_LG3_BDVERS0 (10 << DCB_ADDR_SHIFT) |
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517 | #define DCB_LG3_ICS1562 (11 << DCB_ADDR_SHIFT) |
||
518 | #define DCB_RESERVED (15 << DCB_ADDR_SHIFT) |
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519 | |||
520 | /* DCB protocol ack types */ |
||
521 | #define DCB_ENSYNCACK (1 << 11) |
||
522 | #define DCB_ENASYNCACK (1 << 12) |
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523 | |||
524 | #define DCB_CSWIDTH_SHIFT 13 |
||
525 | #define DCB_CSHOLD_SHIFT 18 |
||
526 | #define DCB_CSSETUP_SHIFT 23 |
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527 | |||
528 | /* XMAP9 specific defines */ |
||
529 | /* XMAP9 -- registers as seen on the DCBMODE register*/ |
||
530 | # define XM9_CRS_CONFIG (0 << DCB_CRS_SHIFT) |
||
531 | # define XM9_PUPMODE (1 << 0) |
||
532 | # define XM9_ODD_PIXEL (1 << 1) |
||
533 | # define XM9_8_BITPLANES (1 << 2) |
||
534 | # define XM9_SLOW_DCB (1 << 3) |
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535 | # define XM9_VIDEO_RGBMAP_MASK (3 << 4) |
||
536 | # define XM9_EXPRESS_VIDEO (1 << 6) |
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537 | # define XM9_VIDEO_OPTION (1 << 7) |
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538 | # define XM9_CRS_REVISION (1 << DCB_CRS_SHIFT) |
||
539 | # define XM9_CRS_FIFO_AVAIL (2 << DCB_CRS_SHIFT) |
||
540 | # define XM9_FIFO_0_AVAIL 0 |
||
541 | # define XM9_FIFO_1_AVAIL 1 |
||
542 | # define XM9_FIFO_2_AVAIL 3 |
||
543 | # define XM9_FIFO_3_AVAIL 2 |
||
544 | # define XM9_FIFO_FULL XM9_FIFO_0_AVAIL |
||
545 | # define XM9_FIFO_EMPTY XM9_FIFO_3_AVAIL |
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546 | # define XM9_CRS_CURS_CMAP_MSB (3 << DCB_CRS_SHIFT) |
||
547 | # define XM9_CRS_PUP_CMAP_MSB (4 << DCB_CRS_SHIFT) |
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548 | # define XM9_CRS_MODE_REG_DATA (5 << DCB_CRS_SHIFT) |
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549 | # define XM9_CRS_MODE_REG_INDEX (7 << DCB_CRS_SHIFT) |
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550 | |||
551 | |||
552 | #define DCB_CYCLES(setup,hold,width) \ |
||
553 | ((hold << DCB_CSHOLD_SHIFT) | \ |
||
554 | (setup << DCB_CSSETUP_SHIFT)| \ |
||
555 | (width << DCB_CSWIDTH_SHIFT)) |
||
556 | |||
557 | #define W_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 0) |
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558 | #define WSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (5, 5, 0) |
||
559 | #define WAYSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (12, 12, 0) |
||
560 | #define R_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 3) |
||
561 | |||
562 | static __inline__ void |
||
563 | xmap9FIFOWait (struct newport_regs *rex) |
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564 | { |
||
565 | rex->set.dcbmode = DCB_XMAP0 | XM9_CRS_FIFO_AVAIL | |
||
566 | DCB_DATAWIDTH_1 | R_DCB_XMAP9_PROTOCOL; |
||
567 | newport_bfwait (); |
||
568 | |||
569 | while ((rex->set.dcbdata0.bybytes.b3 & 3) != XM9_FIFO_EMPTY) |
||
570 | ; |
||
571 | } |
||
572 | |||
573 | static __inline__ void |
||
574 | xmap9SetModeReg (struct newport_regs *rex, unsigned int modereg, unsigned int data24, int cfreq) |
||
575 | { |
||
576 | if (cfreq > 119) |
||
577 | rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA | |
||
578 | DCB_DATAWIDTH_4 | W_DCB_XMAP9_PROTOCOL; |
||
579 | else if (cfreq > 59) |
||
580 | rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA | |
||
581 | DCB_DATAWIDTH_4 | WSLOW_DCB_XMAP9_PROTOCOL; |
||
582 | else |
||
583 | rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA | |
||
584 | DCB_DATAWIDTH_4 | WAYSLOW_DCB_XMAP9_PROTOCOL; |
||
585 | rex->set.dcbdata0.byword = ((modereg) << 24) | (data24 & 0xffffff); |
||
586 | } |
||
587 | |||
588 | #define BT445_PROTOCOL DCB_CYCLES(1,1,3) |
||
589 | |||
590 | #define BT445_CSR_ADDR_REG (0 << DCB_CRS_SHIFT) |
||
591 | #define BT445_CSR_REVISION (2 << DCB_CRS_SHIFT) |
||
592 | |||
593 | #define BT445_REVISION_REG 0x01 |
||
594 | |||
595 | #endif /* !(_SGI_NEWPORT_H) */ |
||
596 |