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1 /* |
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2 nubus.h: various definitions and prototypes for NuBus drivers to use. |
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3 |
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4 Originally written by Alan Cox. |
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5 |
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6 Hacked to death by C. Scott Ananian and David Huggins-Daines. |
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7 |
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8 Some of the constants in here are from the corresponding |
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9 NetBSD/OpenBSD header file, by Allen Briggs. We figured out the |
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10 rest of them on our own. */ |
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11 |
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12 #ifndef LINUX_NUBUS_H |
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13 #define LINUX_NUBUS_H |
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14 |
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15 #ifdef __KERNEL__ |
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16 #include <asm/nubus.h> |
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17 #endif |
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18 |
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19 enum nubus_category { |
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20 NUBUS_CAT_BOARD = 0x0001, |
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21 NUBUS_CAT_DISPLAY = 0x0003, |
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22 NUBUS_CAT_NETWORK = 0x0004, |
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23 NUBUS_CAT_COMMUNICATIONS = 0x0006, |
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24 NUBUS_CAT_FONT = 0x0009, |
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25 NUBUS_CAT_CPU = 0x000A, |
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26 /* For lack of a better name */ |
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27 NUBUS_CAT_DUODOCK = 0x0020 |
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28 }; |
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29 |
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30 enum nubus_type_network { |
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31 NUBUS_TYPE_ETHERNET = 0x0001, |
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32 NUBUS_TYPE_RS232 = 0x0002 |
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33 }; |
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34 |
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35 enum nubus_type_display { |
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36 NUBUS_TYPE_VIDEO = 0x0001 |
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37 }; |
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38 |
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39 enum nubus_type_cpu { |
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40 NUBUS_TYPE_68020 = 0x0003, |
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41 NUBUS_TYPE_68030 = 0x0004, |
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42 NUBUS_TYPE_68040 = 0x0005 |
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43 }; |
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44 |
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45 /* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots) |
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46 * 68030 motherboards: <10,4,0,24> |
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47 * 68040 motherboards: <10,5,0,24> |
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48 * DuoDock Plus: <32,1,1,2> |
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49 * |
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50 * Toby Frame Buffer card: <3,1,1,1> |
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51 * RBV built-in video (IIci): <3,1,1,24> |
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52 * Valkyrie built-in video (Q630): <3,1,1,46> |
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53 * Macintosh Display Card: <3,1,1,25> |
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54 * Sonora built-in video (P460): <3,1,1,34> |
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55 * Jet framebuffer (DuoDock Plus): <3,1,1,41> |
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56 * |
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57 * SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272> |
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58 * SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271> |
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59 * Apple SONIC LC-PDS Ethernet ("Apple Ethernet LC Twisted-Pair Card"): <4,1,0,281> |
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60 * Sonic Systems Ethernet A-Series Card: <4,1,268,256> |
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61 * Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision) |
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62 * ROM on the above card: <2,1,0,0> |
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63 * Cabletron ethernet card: <4,1,1,265> |
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64 * Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card) |
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65 * Kinetics EtherPort IIN: <4,1,259,262> |
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66 * API Engineering EtherRun_LCa PDS enet card: <4,1,282,256> |
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67 * |
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68 * Add your devices to the list! You can obtain the "Slots" utility |
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69 * from Apple's FTP site at: |
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70 * ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/ |
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71 * |
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72 * Alternately, TattleTech can be found at any Info-Mac mirror site. |
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73 * or from its distribution site: ftp://ftp.decismkr.com/dms |
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74 */ |
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75 |
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76 /* DrSW: Uniquely identifies the software interface to a board. This |
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77 is usually the one you want to look at when writing a driver. It's |
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78 not as useful as you think, though, because as we should know by |
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79 now (duh), "Apple Compatible" can mean a lot of things... */ |
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80 |
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81 /* Add known DrSW values here */ |
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82 enum nubus_drsw { |
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83 /* NUBUS_CAT_DISPLAY */ |
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84 NUBUS_DRSW_APPLE = 0x0001, |
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85 NUBUS_DRSW_APPLE_HIRES = 0x0013, /* MacII HiRes card driver */ |
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86 |
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87 /* NUBUS_CAT_NETWORK */ |
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88 NUBUS_DRSW_3COM = 0x0000, |
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89 NUBUS_DRSW_CABLETRON = 0x0001, |
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90 NUBUS_DRSW_SONIC_LC = 0x0001, |
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91 NUBUS_DRSW_KINETICS = 0x0103, |
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92 NUBUS_DRSW_ASANTE = 0x0104, |
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93 NUBUS_DRSW_TECHWORKS = 0x0109, |
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94 NUBUS_DRSW_DAYNA = 0x010b, |
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95 NUBUS_DRSW_FARALLON = 0x010c, |
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96 NUBUS_DRSW_APPLE_SN = 0x010f, |
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97 NUBUS_DRSW_DAYNA2 = 0x0115, |
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98 NUBUS_DRSW_FOCUS = 0x011a, |
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99 NUBUS_DRSW_ASANTE_CS = 0x011d, /* use asante SMC9194 driver */ |
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100 NUBUS_DRSW_DAYNA_LC = 0x011e, |
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101 |
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102 /* NUBUS_CAT_CPU */ |
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103 NUBUS_DRSW_NONE = 0x0000, |
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104 }; |
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105 |
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106 /* DrHW: Uniquely identifies the hardware interface to a board (or at |
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107 least, it should... some video cards are known to incorrectly |
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108 identify themselves as Toby cards) */ |
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109 |
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110 /* Add known DrHW values here */ |
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111 enum nubus_drhw { |
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112 /* NUBUS_CAT_DISPLAY */ |
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113 NUBUS_DRHW_APPLE_TFB = 0x0001, /* Toby frame buffer card */ |
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114 NUBUS_DRHW_APPLE_WVC = 0x0006, /* Apple Workstation Video Card */ |
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115 NUBUS_DRHW_SIGMA_CLRMAX = 0x0007, /* Sigma Design ColorMax */ |
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116 NUBUS_DRHW_APPLE_SE30 = 0x0009, /* Apple SE/30 video */ |
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117 NUBUS_DRHW_APPLE_HRVC = 0x0013, /* Mac II High-Res Video Card */ |
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118 NUBUS_DRHW_APPLE_PVC = 0x0017, /* Mac II Portrait Video Card */ |
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119 NUBUS_DRHW_APPLE_RBV1 = 0x0018, /* IIci RBV video */ |
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120 NUBUS_DRHW_APPLE_MDC = 0x0019, /* Macintosh Display Card */ |
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121 NUBUS_DRHW_APPLE_SONORA = 0x0022, /* Sonora built-in video */ |
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122 NUBUS_DRHW_APPLE_24AC = 0x002b, /* Mac 24AC Video Card */ |
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123 NUBUS_DRHW_APPLE_VALKYRIE = 0x002e, |
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124 NUBUS_DRHW_APPLE_JET = 0x0029, /* Jet framebuffer (DuoDock) */ |
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125 NUBUS_DRHW_SMAC_GFX = 0x0105, /* SuperMac GFX */ |
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126 NUBUS_DRHW_RASTER_CB264 = 0x013B, /* RasterOps ColorBoard 264 */ |
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127 NUBUS_DRHW_MICRON_XCEED = 0x0146, /* Micron Exceed color */ |
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128 NUBUS_DRHW_RDIUS_GSC = 0x0153, /* Radius GS/C */ |
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129 NUBUS_DRHW_SMAC_SPEC8 = 0x017B, /* SuperMac Spectrum/8 */ |
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130 NUBUS_DRHW_SMAC_SPEC24 = 0x017C, /* SuperMac Spectrum/24 */ |
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131 NUBUS_DRHW_RASTER_CB364 = 0x026F, /* RasterOps ColorBoard 364 */ |
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132 NUBUS_DRHW_RDIUS_DCGX = 0x027C, /* Radius DirectColor/GX */ |
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133 NUBUS_DRHW_RDIUS_PC8 = 0x0291, /* Radius PrecisionColor 8 */ |
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134 NUBUS_DRHW_LAPIS_PCS8 = 0x0292, /* Lapis ProColorServer 8 */ |
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135 NUBUS_DRHW_RASTER_24XLI = 0x02A0, /* RasterOps 8/24 XLi */ |
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136 NUBUS_DRHW_RASTER_PBPGT = 0x02A5, /* RasterOps PaintBoard Prism GT */ |
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137 NUBUS_DRHW_EMACH_FSX = 0x02AE, /* E-Machines Futura SX */ |
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138 NUBUS_DRHW_RASTER_24XLTV = 0x02B7, /* RasterOps 24XLTV */ |
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139 NUBUS_DRHW_SMAC_THUND24 = 0x02CB, /* SuperMac Thunder/24 */ |
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140 NUBUS_DRHW_SMAC_THUNDLGHT = 0x03D9, /* SuperMac ThunderLight */ |
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141 NUBUS_DRHW_RDIUS_PC24XP = 0x0406, /* Radius PrecisionColor 24Xp */ |
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142 NUBUS_DRHW_RDIUS_PC24X = 0x040A, /* Radius PrecisionColor 24X */ |
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143 NUBUS_DRHW_RDIUS_PC8XJ = 0x040B, /* Radius PrecisionColor 8XJ */ |
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144 |
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145 /* NUBUS_CAT_NETWORK */ |
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146 NUBUS_DRHW_INTERLAN = 0x0100, |
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147 NUBUS_DRHW_SMC9194 = 0x0101, |
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148 NUBUS_DRHW_KINETICS = 0x0106, |
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149 NUBUS_DRHW_CABLETRON = 0x0109, |
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150 NUBUS_DRHW_ASANTE_LC = 0x010f, |
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151 NUBUS_DRHW_SONIC = 0x0110, |
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152 NUBUS_DRHW_TECHWORKS = 0x0112, |
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153 NUBUS_DRHW_APPLE_SONIC_NB = 0x0118, |
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154 NUBUS_DRHW_APPLE_SONIC_LC = 0x0119, |
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155 NUBUS_DRHW_FOCUS = 0x011c, |
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156 NUBUS_DRHW_SONNET = 0x011d, |
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157 }; |
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158 |
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159 /* Resource IDs: These are the identifiers for the various weird and |
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160 wonderful tidbits of information that may or may not reside in the |
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161 NuBus ROM directory. */ |
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162 enum nubus_res_id { |
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163 NUBUS_RESID_TYPE = 0x0001, |
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164 NUBUS_RESID_NAME = 0x0002, |
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165 NUBUS_RESID_ICON = 0x0003, |
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166 NUBUS_RESID_DRVRDIR = 0x0004, |
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167 NUBUS_RESID_LOADREC = 0x0005, |
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168 NUBUS_RESID_BOOTREC = 0x0006, |
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169 NUBUS_RESID_FLAGS = 0x0007, |
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170 NUBUS_RESID_HWDEVID = 0x0008, |
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171 NUBUS_RESID_MINOR_BASEOS = 0x000a, |
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172 NUBUS_RESID_MINOR_LENGTH = 0x000b, |
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173 NUBUS_RESID_MAJOR_BASEOS = 0x000c, |
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174 NUBUS_RESID_MAJOR_LENGTH = 0x000d, |
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175 NUBUS_RESID_CICN = 0x000f, |
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176 NUBUS_RESID_ICL8 = 0x0010, |
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177 NUBUS_RESID_ICL4 = 0x0011, |
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178 }; |
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179 |
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180 /* Category-specific resources. */ |
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181 enum nubus_board_res_id { |
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182 NUBUS_RESID_BOARDID = 0x0020, |
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183 NUBUS_RESID_PRAMINITDATA = 0x0021, |
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184 NUBUS_RESID_PRIMARYINIT = 0x0022, |
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185 NUBUS_RESID_TIMEOUTCONST = 0x0023, |
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186 NUBUS_RESID_VENDORINFO = 0x0024, |
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187 NUBUS_RESID_BOARDFLAGS = 0x0025, |
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188 NUBUS_RESID_SECONDINIT = 0x0026, |
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189 |
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190 /* Not sure why Apple put these next two in here */ |
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191 NUBUS_RESID_VIDNAMES = 0x0041, |
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192 NUBUS_RESID_VIDMODES = 0x007e |
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193 }; |
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194 |
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195 /* Fields within the vendor info directory */ |
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196 enum nubus_vendor_res_id { |
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197 NUBUS_RESID_VEND_ID = 0x0001, |
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198 NUBUS_RESID_VEND_SERIAL = 0x0002, |
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199 NUBUS_RESID_VEND_REV = 0x0003, |
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200 NUBUS_RESID_VEND_PART = 0x0004, |
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201 NUBUS_RESID_VEND_DATE = 0x0005 |
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202 }; |
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203 |
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204 enum nubus_net_res_id { |
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205 NUBUS_RESID_MAC_ADDRESS = 0x0080 |
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206 }; |
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207 |
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208 enum nubus_cpu_res_id { |
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209 NUBUS_RESID_MEMINFO = 0x0081, |
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210 NUBUS_RESID_ROMINFO = 0x0082 |
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211 }; |
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212 |
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213 enum nubus_display_res_id { |
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214 NUBUS_RESID_GAMMADIR = 0x0040, |
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215 NUBUS_RESID_FIRSTMODE = 0x0080, |
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216 NUBUS_RESID_SECONDMODE = 0x0081, |
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217 NUBUS_RESID_THIRDMODE = 0x0082, |
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218 NUBUS_RESID_FOURTHMODE = 0x0083, |
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219 NUBUS_RESID_FIFTHMODE = 0x0084, |
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220 NUBUS_RESID_SIXTHMODE = 0x0085 |
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221 }; |
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222 |
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223 struct nubus_dir |
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224 { |
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225 unsigned char *base; |
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226 unsigned char *ptr; |
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227 int done; |
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228 int mask; |
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229 }; |
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230 |
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231 struct nubus_dirent |
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232 { |
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233 unsigned char *base; |
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234 unsigned char type; |
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235 __u32 data; /* Actually 24bits used */ |
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236 int mask; |
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237 }; |
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238 |
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239 struct nubus_board { |
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240 struct nubus_board* next; |
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241 struct nubus_dev* first_dev; |
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242 |
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243 /* Only 9-E actually exist, though 0-8 are also theoretically |
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244 possible, and 0 is a special case which represents the |
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245 motherboard and onboard peripherals (Ethernet, video) */ |
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246 int slot; |
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247 /* For slot 0, this is bogus. */ |
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248 char name[64]; |
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249 |
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250 /* Format block */ |
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251 unsigned char* fblock; |
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252 /* Root directory (does *not* always equal fblock + doffset!) */ |
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253 unsigned char* directory; |
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254 |
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255 unsigned long slot_addr; |
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256 /* Offset to root directory (sometimes) */ |
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257 unsigned long doffset; |
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258 /* Length over which to compute the crc */ |
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259 unsigned long rom_length; |
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260 /* Completely useless most of the time */ |
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261 unsigned long crc; |
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262 unsigned char rev; |
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263 unsigned char format; |
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264 unsigned char lanes; |
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265 }; |
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266 |
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267 struct nubus_dev { |
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268 /* Next link in device list */ |
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269 struct nubus_dev* next; |
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270 /* Directory entry in /proc/bus/nubus */ |
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271 struct proc_dir_entry* procdir; |
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272 |
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273 /* The functional resource ID of this device */ |
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274 unsigned char resid; |
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275 /* These are mostly here for convenience; we could always read |
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276 them from the ROMs if we wanted to */ |
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277 unsigned short category; |
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278 unsigned short type; |
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279 unsigned short dr_sw; |
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280 unsigned short dr_hw; |
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281 /* This is the device's name rather than the board's. |
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282 Sometimes they are different. Usually the board name is |
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283 more correct. */ |
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284 char name[64]; |
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285 /* MacOS driver (I kid you not) */ |
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286 unsigned char* driver; |
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287 /* Actually this is an offset */ |
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288 unsigned long iobase; |
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289 unsigned long iosize; |
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290 unsigned char flags, hwdevid; |
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291 |
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292 /* Functional directory */ |
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293 unsigned char* directory; |
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294 /* Much of our info comes from here */ |
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295 struct nubus_board* board; |
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296 }; |
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297 |
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298 /* This is all NuBus devices (used to find devices later on) */ |
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299 extern struct nubus_dev* nubus_devices; |
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300 /* This is all NuBus cards */ |
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301 extern struct nubus_board* nubus_boards; |
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302 |
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303 /* Generic NuBus interface functions, modelled after the PCI interface */ |
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304 void nubus_scan_bus(void); |
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305 extern void nubus_proc_init(void); |
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306 int get_nubus_list(char *buf); |
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307 int nubus_proc_attach_device(struct nubus_dev *dev); |
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308 int nubus_proc_detach_device(struct nubus_dev *dev); |
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309 /* If we need more precision we can add some more of these */ |
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310 struct nubus_dev* nubus_find_device(unsigned short category, |
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311 unsigned short type, |
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312 unsigned short dr_hw, |
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313 unsigned short dr_sw, |
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314 const struct nubus_dev* from); |
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315 struct nubus_dev* nubus_find_type(unsigned short category, |
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316 unsigned short type, |
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317 const struct nubus_dev* from); |
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318 /* Might have more than one device in a slot, you know... */ |
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319 struct nubus_dev* nubus_find_slot(unsigned int slot, |
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320 const struct nubus_dev* from); |
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321 |
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322 /* These are somewhat more NuBus-specific. They all return 0 for |
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323 success and -1 for failure, as you'd expect. */ |
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324 |
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325 /* The root directory which contains the board and functional |
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326 directories */ |
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327 int nubus_get_root_dir(const struct nubus_board* board, |
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328 struct nubus_dir* dir); |
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329 /* The board directory */ |
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330 int nubus_get_board_dir(const struct nubus_board* board, |
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331 struct nubus_dir* dir); |
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332 /* The functional directory */ |
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333 int nubus_get_func_dir(const struct nubus_dev* dev, |
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334 struct nubus_dir* dir); |
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335 |
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336 /* These work on any directory gotten via the above */ |
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337 int nubus_readdir(struct nubus_dir* dir, |
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338 struct nubus_dirent* ent); |
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339 int nubus_find_rsrc(struct nubus_dir* dir, |
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340 unsigned char rsrc_type, |
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341 struct nubus_dirent* ent); |
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342 int nubus_rewinddir(struct nubus_dir* dir); |
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343 |
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344 /* Things to do with directory entries */ |
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345 int nubus_get_subdir(const struct nubus_dirent* ent, |
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346 struct nubus_dir* dir); |
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347 void nubus_get_rsrc_mem(void* dest, |
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348 const struct nubus_dirent *dirent, |
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349 int len); |
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350 void nubus_get_rsrc_str(void* dest, |
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351 const struct nubus_dirent *dirent, |
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352 int maxlen); |
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353 |
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354 /* We'd like to get rid of this eventually. Only daynaport.c uses it now. */ |
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355 static inline void *nubus_slot_addr(int slot) |
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356 { |
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357 return (void *)(0xF0000000|(slot<<24)); |
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358 } |
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359 |
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360 #endif /* LINUX_NUBUS_H */ |