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422 | giacomo | 1 | /* $Id: tpqic02.h,v 1.1 2004-01-28 15:26:51 giacomo Exp $ |
2 | * |
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3 | * Include file for QIC-02 driver for Linux. |
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4 | * |
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5 | * Copyright (c) 1992--1995 by H. H. Bergman. All rights reserved. |
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6 | * |
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7 | * ******* USER CONFIG SECTION BELOW (Near line 70) ******* |
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8 | */ |
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9 | |||
10 | #ifndef _LINUX_TPQIC02_H |
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11 | #define _LINUX_TPQIC02_H |
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12 | |||
13 | #include <linux/config.h> |
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14 | |||
15 | #if defined(CONFIG_QIC02_TAPE) || defined(CONFIG_QIC02_TAPE_MODULE) |
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16 | |||
17 | /* need to have QIC02_TAPE_DRIVE and QIC02_TAPE_IFC expand to something */ |
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18 | #include <linux/mtio.h> |
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19 | |||
20 | |||
21 | /* Make QIC02_TAPE_IFC expand to something. |
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22 | * |
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23 | * The only difference between WANGTEK and EVEREX is in the |
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24 | * handling of the DMA channel 3. |
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25 | * Note that the driver maps EVEREX to WANGTEK internally for speed |
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26 | * reasons. Externally WANGTEK==1, EVEREX==2, ARCHIVE==3. |
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27 | * These must correspond to the values used in qic02config(1). |
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28 | * |
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29 | * Support for Mountain controllers was added by Erik Jacobson |
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30 | * and severely hacked by me. -- hhb |
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31 | * |
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32 | * Support for Emerald controllers by Alan Bain <afrb2@chiark.chu.cam.ac.uk> |
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33 | * with more hacks by me. -- hhb |
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34 | */ |
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35 | #define WANGTEK 1 /* don't know about Wangtek QIC-36 */ |
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36 | #define EVEREX (WANGTEK+1) /* I heard *some* of these are identical */ |
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37 | #define EVEREX_811V EVEREX /* With TEAC MT 2ST 45D */ |
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38 | #define EVEREX_831V EVEREX |
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39 | #define ARCHIVE 3 |
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40 | #define ARCHIVE_SC400 ARCHIVE /* rumoured to be from the pre-SMD-age */ |
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41 | #define ARCHIVE_SC402 ARCHIVE /* don't know much about SC400 */ |
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42 | #define ARCHIVE_SC499 ARCHIVE /* SC402 and SC499R should be identical */ |
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43 | |||
44 | #define MOUNTAIN 5 /* Mountain Computer Interface */ |
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45 | #define EMERALD 6 /* Emerald Interface card */ |
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46 | |||
47 | |||
48 | |||
49 | #define QIC02_TAPE_PORT_RANGE 8 /* number of IO locations to reserve */ |
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50 | |||
51 | |||
52 | /*********** START OF USER CONFIGURABLE SECTION ************/ |
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53 | |||
54 | /* Tape configuration: Select DRIVE, IFC, PORT, IRQ and DMA below. |
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55 | * Runtime (re)configuration is not supported yet. |
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56 | * |
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57 | * Tape drive configuration: (MT_IS* constants are defined in mtio.h) |
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58 | * |
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59 | * QIC02_TAPE_DRIVE = MT_ISWT5150 |
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60 | * - Wangtek 5150, format: up to QIC-150. |
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61 | * QIC02_TAPE_DRIVE = MT_ISQIC02_ALL_FEATURES |
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62 | * - Enables some optional QIC02 commands that some drives may lack. |
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63 | * It is provided so you can check which are supported by your drive. |
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64 | * Refer to tpqic02.h for others. |
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65 | * |
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66 | * Supported interface cards: QIC02_TAPE_IFC = |
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67 | * WANGTEK, |
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68 | * ARCHIVE_SC402, ARCHIVE_SC499. (both same programming interface) |
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69 | * |
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70 | * Make sure you have the I/O ports/DMA channels |
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71 | * and IRQ stuff configured properly! |
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72 | * NOTE: There may be other device drivers using the same major |
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73 | * number. This must be avoided. Check for timer.h conflicts too. |
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74 | * |
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75 | * If you have an EVEREX EV-831 card and you are using DMA channel 3, |
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76 | * you will probably have to ``#define QIC02_TAPE_DMA3_FIX'' below. |
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77 | */ |
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78 | |||
79 | /* CONFIG_QIC02_DYNCONF can be defined in autoconf.h, by `make config' */ |
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80 | |||
81 | /*** #undef CONFIG_QIC02_DYNCONF ***/ |
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82 | |||
83 | #ifndef CONFIG_QIC02_DYNCONF |
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84 | |||
85 | #define QIC02_TAPE_DRIVE MT_ISQIC02_ALL_FEATURES /* drive type */ |
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86 | /* #define QIC02_TAPE_DRIVE MT_ISWT5150 */ |
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87 | /* #define QIC02_TAPE_DRIVE MT_ISARCHIVE_5945L2 */ |
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88 | /* #define QIC02_TAPE_DRIVE MT_ISTEAC_MT2ST */ |
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89 | /* #define QIC02_TAPE_DRIVE MT_ISARCHIVE_2150L */ |
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90 | /* #define QIC02_TAPE_DRIVE MT_ISARCHIVESC499 */ |
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91 | |||
92 | /* Either WANGTEK, ARCHIVE or MOUNTAIN. Not EVEREX. |
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93 | * If you have an EVEREX, use WANGTEK and try the DMA3_FIX below. |
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94 | */ |
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95 | #define QIC02_TAPE_IFC WANGTEK /* interface card type */ |
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96 | /* #define QIC02_TAPE_IFC ARCHIVE */ |
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97 | /* #define QIC02_TAPE_IFC MOUNTAIN */ |
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98 | |||
99 | #define QIC02_TAPE_PORT 0x300 /* controller port address */ |
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100 | #define QIC02_TAPE_IRQ 5 /* For IRQ2, use 9 here, others normal. */ |
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101 | #define QIC02_TAPE_DMA 1 /* either 1 or 3, because 2 is used by the floppy */ |
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102 | |||
103 | /* If DMA3 doesn't work, but DMA1 does, and you have a |
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104 | * Wangtek/Everex card, you can try #define-ing the flag |
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105 | * below. Note that you should also change the DACK jumper |
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106 | * for Wangtek/Everex cards when changing the DMA channel. |
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107 | */ |
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108 | #undef QIC02_TAPE_DMA3_FIX |
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109 | |||
110 | /************ END OF USER CONFIGURABLE SECTION *************/ |
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111 | |||
112 | /* I put the stuff above in config.in, but a few recompiles, to |
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113 | * verify different configurations, and several days later I decided |
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114 | * to change it back again. |
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115 | */ |
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116 | |||
117 | |||
118 | |||
119 | /* NOTE: TP_HAVE_DENS should distinguish between available densities (?) |
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120 | * NOTE: Drive select is not implemented -- I have only one tape streamer, |
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121 | * so I'm unable and unmotivated to test and implement that. ;-) ;-) |
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122 | */ |
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123 | #if QIC02_TAPE_DRIVE == MT_ISWT5150 |
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124 | #define TP_HAVE_DENS 1 |
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125 | #define TP_HAVE_BSF 0 /* nope */ |
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126 | #define TP_HAVE_FSR 0 /* nope */ |
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127 | #define TP_HAVE_BSR 0 /* nope */ |
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128 | #define TP_HAVE_EOD 0 /* most of the time */ |
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129 | #define TP_HAVE_SEEK 0 |
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130 | #define TP_HAVE_TELL 0 |
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131 | #define TP_HAVE_RAS1 1 |
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132 | #define TP_HAVE_RAS2 1 |
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133 | |||
134 | #elif QIC02_TAPE_DRIVE == MT_ISARCHIVESC499 /* Archive SC-499 QIC-36 controller */ |
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135 | #define TP_HAVE_DENS 1 /* can do set density (QIC-11 / QIC-24) */ |
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136 | #define TP_HAVE_BSF 0 |
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137 | #define TP_HAVE_FSR 1 /* can skip one block forwards */ |
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138 | #define TP_HAVE_BSR 1 /* can skip one block backwards */ |
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139 | #define TP_HAVE_EOD 1 /* can seek to end of recorded data */ |
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140 | #define TP_HAVE_SEEK 0 |
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141 | #define TP_HAVE_TELL 0 |
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142 | #define TP_HAVE_RAS1 1 /* can run selftest 1 */ |
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143 | #define TP_HAVE_RAS2 1 /* can run selftest 2 */ |
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144 | /* These last two selftests shouldn't be used yet! */ |
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145 | |||
146 | #elif (QIC02_TAPE_DRIVE == MT_ISARCHIVE_2060L) || (QIC02_TAPE_DRIVE == MT_ISARCHIVE_2150L) |
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147 | #define TP_HAVE_DENS 1 /* can do set density (QIC-24 / QIC-120 / QIC-150) */ |
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148 | #define TP_HAVE_BSF 0 |
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149 | #define TP_HAVE_FSR 1 /* can skip one block forwards */ |
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150 | #define TP_HAVE_BSR 1 /* can skip one block backwards */ |
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151 | #define TP_HAVE_EOD 1 /* can seek to end of recorded data */ |
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152 | #define TP_HAVE_TELL 1 /* can read current block address */ |
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153 | #define TP_HAVE_SEEK 1 /* can seek to block */ |
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154 | #define TP_HAVE_RAS1 1 /* can run selftest 1 */ |
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155 | #define TP_HAVE_RAS2 1 /* can run selftest 2 */ |
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156 | /* These last two selftests shouldn't be used yet! */ |
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157 | |||
158 | #elif QIC02_TAPE_DRIVE == MT_ISARCHIVE_5945L2 |
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159 | /* can anyone verify this entry?? */ |
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160 | #define TP_HAVE_DENS 1 /* can do set density?? (QIC-24??) */ |
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161 | #define TP_HAVE_BSF 0 |
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162 | #define TP_HAVE_FSR 1 /* can skip one block forwards */ |
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163 | #define TP_HAVE_BSR 1 /* can skip one block backwards */ |
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164 | #define TP_HAVE_EOD 1 /* can seek to end of recorded data */ |
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165 | #define TP_HAVE_TELL 1 /* can read current block address */ |
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166 | #define TP_HAVE_SEEK 1 /* can seek to block */ |
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167 | #define TP_HAVE_RAS1 1 /* can run selftest 1 */ |
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168 | #define TP_HAVE_RAS2 1 /* can run selftest 2 */ |
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169 | /* These last two selftests shouldn't be used yet! */ |
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170 | |||
171 | #elif QIC02_TAPE_DRIVE == MT_ISTEAC_MT2ST |
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172 | /* can anyone verify this entry?? */ |
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173 | #define TP_HAVE_DENS 0 /* cannot do set density?? (QIC-150?) */ |
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174 | #define TP_HAVE_BSF 0 |
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175 | #define TP_HAVE_FSR 1 /* can skip one block forwards */ |
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176 | #define TP_HAVE_BSR 1 /* can skip one block backwards */ |
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177 | #define TP_HAVE_EOD 1 /* can seek to end of recorded data */ |
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178 | #define TP_HAVE_SEEK 1 /* can seek to block */ |
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179 | #define TP_HAVE_TELL 1 /* can read current block address */ |
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180 | #define TP_HAVE_RAS1 1 /* can run selftest 1 */ |
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181 | #define TP_HAVE_RAS2 1 /* can run selftest 2 */ |
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182 | /* These last two selftests shouldn't be used yet! */ |
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183 | |||
184 | #elif QIC02_TAPE_DRIVE == MT_ISQIC02_ALL_FEATURES |
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185 | #define TP_HAVE_DENS 1 /* can do set density */ |
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186 | #define TP_HAVE_BSF 1 /* can search filemark backwards */ |
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187 | #define TP_HAVE_FSR 1 /* can skip one block forwards */ |
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188 | #define TP_HAVE_BSR 1 /* can skip one block backwards */ |
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189 | #define TP_HAVE_EOD 1 /* can seek to end of recorded data */ |
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190 | #define TP_HAVE_SEEK 1 /* seek to block address */ |
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191 | #define TP_HAVE_TELL 1 /* tell current block address */ |
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192 | #define TP_HAVE_RAS1 1 /* can run selftest 1 */ |
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193 | #define TP_HAVE_RAS2 1 /* can run selftest 2 */ |
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194 | /* These last two selftests shouldn't be used yet! */ |
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195 | |||
196 | |||
197 | #else |
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198 | #error No QIC-02 tape drive type defined! |
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199 | /* If your drive is not listed above, first try the 'ALL_FEATURES', |
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200 | * to see what commands are supported, then create your own entry in |
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201 | * the list above. You may want to mail it to me, so that I can include |
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202 | * it in the next release. |
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203 | */ |
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204 | #endif |
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205 | |||
206 | #endif /* !CONFIG_QIC02_DYNCONF */ |
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207 | |||
208 | |||
209 | /* WANGTEK interface card specifics */ |
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210 | #define WT_QIC02_STAT_PORT (QIC02_TAPE_PORT) |
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211 | #define WT_QIC02_CTL_PORT (QIC02_TAPE_PORT) |
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212 | #define WT_QIC02_CMD_PORT (QIC02_TAPE_PORT+1) |
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213 | #define WT_QIC02_DATA_PORT (QIC02_TAPE_PORT+1) |
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214 | |||
215 | /* status register bits (Active LOW!) */ |
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216 | #define WT_QIC02_STAT_POLARITY 0 |
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217 | #define WT_QIC02_STAT_READY 0x01 |
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218 | #define WT_QIC02_STAT_EXCEPTION 0x02 |
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219 | #define WT_QIC02_STAT_MASK (WT_QIC02_STAT_READY|WT_QIC02_STAT_EXCEPTION) |
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220 | |||
221 | #define WT_QIC02_STAT_RESETMASK 0x07 |
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222 | #define WT_QIC02_STAT_RESETVAL (WT_QIC02_STAT_RESETMASK & ~WT_QIC02_STAT_EXCEPTION) |
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223 | |||
224 | /* controller register (QIC02_CTL_PORT) bits */ |
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225 | #define WT_QIC02_CTL_RESET 0x02 |
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226 | #define WT_QIC02_CTL_REQUEST 0x04 |
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227 | #define WT_CTL_ONLINE 0x01 |
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228 | #define WT_CTL_CMDOFF 0xC0 |
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229 | |||
230 | #define WT_CTL_DMA3 0x10 /* enable dma chan3 */ |
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231 | #define WT_CTL_DMA1 0x08 /* enable dma chan1 or chan2 */ |
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232 | |||
233 | /* EMERALD interface card specifics |
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234 | * Much like Wangtek, only different polarity and bit locations |
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235 | */ |
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236 | #define EMR_QIC02_STAT_PORT (QIC02_TAPE_PORT) |
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237 | #define EMR_QIC02_CTL_PORT (QIC02_TAPE_PORT) |
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238 | #define EMR_QIC02_CMD_PORT (QIC02_TAPE_PORT+1) |
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239 | #define EMR_QIC02_DATA_PORT (QIC02_TAPE_PORT+1) |
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240 | |||
241 | /* status register bits (Active High!) */ |
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242 | #define EMR_QIC02_STAT_POLARITY 1 |
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243 | #define EMR_QIC02_STAT_READY 0x01 |
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244 | #define EMR_QIC02_STAT_EXCEPTION 0x02 |
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245 | #define EMR_QIC02_STAT_MASK (EMR_QIC02_STAT_READY|EMR_QIC02_STAT_EXCEPTION) |
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246 | |||
247 | #define EMR_QIC02_STAT_RESETMASK 0x07 |
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248 | #define EMR_QIC02_STAT_RESETVAL (EMR_QIC02_STAT_RESETMASK & ~EMR_QIC02_STAT_EXCEPTION) |
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249 | |||
250 | /* controller register (QIC02_CTL_PORT) bits */ |
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251 | #define EMR_QIC02_CTL_RESET 0x02 |
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252 | #define EMR_QIC02_CTL_REQUEST 0x04 |
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253 | #define EMR_CTL_ONLINE 0x01 |
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254 | #define EMR_CTL_CMDOFF 0xC0 |
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255 | |||
256 | #define EMR_CTL_DMA3 0x10 /* enable dma chan3 */ |
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257 | #define EMR_CTL_DMA1 0x08 /* enable dma chan1 or chan2 */ |
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258 | |||
259 | |||
260 | |||
261 | /* ARCHIVE interface card specifics */ |
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262 | #define AR_QIC02_STAT_PORT (QIC02_TAPE_PORT+1) |
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263 | #define AR_QIC02_CTL_PORT (QIC02_TAPE_PORT+1) |
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264 | #define AR_QIC02_CMD_PORT (QIC02_TAPE_PORT) |
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265 | #define AR_QIC02_DATA_PORT (QIC02_TAPE_PORT) |
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266 | |||
267 | #define AR_START_DMA_PORT (QIC02_TAPE_PORT+2) |
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268 | #define AR_RESET_DMA_PORT (QIC02_TAPE_PORT+3) |
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269 | |||
270 | /* STAT port bits */ |
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271 | #define AR_QIC02_STAT_POLARITY 0 |
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272 | #define AR_STAT_IRQF 0x80 /* active high, interrupt request flag */ |
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273 | #define AR_QIC02_STAT_READY 0x40 /* active low */ |
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274 | #define AR_QIC02_STAT_EXCEPTION 0x20 /* active low */ |
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275 | #define AR_QIC02_STAT_MASK (AR_QIC02_STAT_READY|AR_QIC02_STAT_EXCEPTION) |
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276 | #define AR_STAT_DMADONE 0x10 /* active high, DMA done */ |
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277 | #define AR_STAT_DIRC 0x08 /* active high, direction */ |
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278 | |||
279 | #define AR_QIC02_STAT_RESETMASK 0x70 /* check RDY,EXC,DMADONE */ |
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280 | #define AR_QIC02_STAT_RESETVAL ((AR_QIC02_STAT_RESETMASK & ~AR_STAT_IRQF & ~AR_QIC02_STAT_EXCEPTION) | AR_STAT_DMADONE) |
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281 | |||
282 | /* CTL port bits */ |
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283 | #define AR_QIC02_CTL_RESET 0x80 /* drive reset */ |
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284 | #define AR_QIC02_CTL_REQUEST 0x40 /* notify of new command */ |
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285 | #define AR_CTL_IEN 0x20 /* interrupt enable */ |
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286 | #define AR_CTL_DNIEN 0x10 /* done-interrupt enable */ |
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287 | /* Note: All of these bits are cleared automatically when writing to |
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288 | * AR_RESET_DMA_PORT. So AR_CTL_IEN and AR_CTL_DNIEN must be |
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289 | * reprogrammed before the write to AR_START_DMA_PORT. |
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290 | */ |
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291 | |||
292 | |||
293 | /* MOUNTAIN interface specifics */ |
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294 | #define MTN_QIC02_STAT_PORT (QIC02_TAPE_PORT+1) |
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295 | #define MTN_QIC02_CTL_PORT (QIC02_TAPE_PORT+1) |
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296 | #define MTN_QIC02_CMD_PORT (QIC02_TAPE_PORT) |
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297 | #define MTN_QIC02_DATA_PORT (QIC02_TAPE_PORT) |
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298 | |||
299 | #define MTN_W_SELECT_DMA_PORT (QIC02_TAPE_PORT+2) |
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300 | #define MTN_R_DESELECT_DMA_PORT (QIC02_TAPE_PORT+2) |
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301 | #define MTN_W_DMA_WRITE_PORT (QIC02_TAPE_PORT+3) |
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302 | |||
303 | /* STAT port bits */ |
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304 | #define MTN_QIC02_STAT_POLARITY 0 |
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305 | #define MTN_QIC02_STAT_READY 0x02 /* active low */ |
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306 | #define MTN_QIC02_STAT_EXCEPTION 0x04 /* active low */ |
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307 | #define MTN_QIC02_STAT_MASK (MTN_QIC02_STAT_READY|MTN_QIC02_STAT_EXCEPTION) |
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308 | #define MTN_STAT_DMADONE 0x01 /* active high, DMA done */ |
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309 | |||
310 | #define MTN_QIC02_STAT_RESETMASK 0x07 /* check RDY,EXC,DMADONE */ |
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311 | #define MTN_QIC02_STAT_RESETVAL ((MTN_QIC02_STAT_RESETMASK & ~MTN_QIC02_STAT_EXCEPTION) | MTN_STAT_DMADONE) |
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312 | |||
313 | /* CTL port bits */ |
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314 | #define MTN_QIC02_CTL_RESET_NOT 0x80 /* drive reset, active low */ |
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315 | #define MTN_QIC02_CTL_RESET 0x80 /* Fodder #definition to keep gcc happy */ |
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316 | |||
317 | #define MTN_QIC02_CTL_ONLINE 0x40 /* Put drive on line */ |
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318 | #define MTN_QIC02_CTL_REQUEST 0x20 /* notify of new command */ |
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319 | #define MTN_QIC02_CTL_IRQ_DRIVER 0x10 /* Enable IRQ tristate driver */ |
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320 | #define MTN_QIC02_CTL_DMA_DRIVER 0x08 /* Enable DMA tristate driver */ |
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321 | #define MTN_CTL_EXC_IEN 0x04 /* Exception interrupt enable */ |
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322 | #define MTN_CTL_RDY_IEN 0x02 /* Ready interrupt enable */ |
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323 | #define MTN_CTL_DNIEN 0x01 /* done-interrupt enable */ |
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324 | |||
325 | #define MTN_CTL_ONLINE (MTN_QIC02_CTL_RESET_NOT | MTN_QIC02_CTL_IRQ_DRIVER | MTN_QIC02_CTL_DMA_DRIVER) |
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326 | |||
327 | |||
328 | #ifndef CONFIG_QIC02_DYNCONF |
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329 | |||
330 | # define QIC02_TAPE_DEBUG (qic02_tape_debug) |
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331 | |||
332 | # if QIC02_TAPE_IFC == WANGTEK |
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333 | # define QIC02_STAT_POLARITY WT_QIC02_STAT_POLARITY |
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334 | # define QIC02_STAT_PORT WT_QIC02_STAT_PORT |
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335 | # define QIC02_CTL_PORT WT_QIC02_CTL_PORT |
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336 | # define QIC02_CMD_PORT WT_QIC02_CMD_PORT |
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337 | # define QIC02_DATA_PORT WT_QIC02_DATA_PORT |
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338 | |||
339 | # define QIC02_STAT_READY WT_QIC02_STAT_READY |
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340 | # define QIC02_STAT_EXCEPTION WT_QIC02_STAT_EXCEPTION |
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341 | # define QIC02_STAT_MASK WT_QIC02_STAT_MASK |
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342 | # define QIC02_STAT_RESETMASK WT_QIC02_STAT_RESETMASK |
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343 | # define QIC02_STAT_RESETVAL WT_QIC02_STAT_RESETVAL |
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344 | |||
345 | # define QIC02_CTL_RESET WT_QIC02_CTL_RESET |
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346 | # define QIC02_CTL_REQUEST WT_QIC02_CTL_REQUEST |
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347 | |||
348 | # if QIC02_TAPE_DMA == 3 |
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349 | # ifdef QIC02_TAPE_DMA3_FIX |
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350 | # define WT_CTL_DMA WT_CTL_DMA1 |
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351 | # else |
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352 | # define WT_CTL_DMA WT_CTL_DMA3 |
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353 | # endif |
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354 | # elif QIC02_TAPE_DMA == 1 |
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355 | # define WT_CTL_DMA WT_CTL_DMA1 |
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356 | # else |
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357 | # error Unsupported or incorrect DMA configuration. |
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358 | # endif |
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359 | |||
360 | # elif QIC02_TAPE_IFC == EMERALD |
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361 | # define QIC02_STAT_POLARITY EMR_QIC02_STAT_POLARITY |
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362 | # define QIC02_STAT_PORT EMR_QIC02_STAT_PORT |
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363 | # define QIC02_CTL_PORT EMR_QIC02_CTL_PORT |
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364 | # define QIC02_CMD_PORT EMR_QIC02_CMD_PORT |
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365 | # define QIC02_DATA_PORT EMR_QIC02_DATA_PORT |
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366 | |||
367 | # define QIC02_STAT_READY EMR_QIC02_STAT_READY |
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368 | # define QIC02_STAT_EXCEPTION EMR_QIC02_STAT_EXCEPTION |
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369 | # define QIC02_STAT_MASK EMR_QIC02_STAT_MASK |
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370 | # define QIC02_STAT_RESETMASK EMR_QIC02_STAT_RESETMASK |
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371 | # define QIC02_STAT_RESETVAL EMR_QIC02_STAT_RESETVAL |
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372 | |||
373 | # define QIC02_CTL_RESET EMR_QIC02_CTL_RESET |
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374 | # define QIC02_CTL_REQUEST EMR_QIC02_CTL_REQUEST |
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375 | |||
376 | # if QIC02_TAPE_DMA == 3 |
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377 | # ifdef QIC02_TAPE_DMA3_FIX |
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378 | # define EMR_CTL_DMA EMR_CTL_DMA1 |
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379 | # else |
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380 | # define EMR_CTL_DMA EMR_CTL_DMA3 |
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381 | # endif |
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382 | # elif QIC02_TAPE_DMA == 1 |
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383 | # define EMR_CTL_DMA EMR_CTL_DMA1 |
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384 | # else |
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385 | # error Unsupported or incorrect DMA configuration. |
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386 | # endif |
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387 | |||
388 | # elif QIC02_TAPE_IFC == ARCHIVE |
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389 | # define QIC02_STAT_POLARITY AR_QIC02_STAT_POLARITY |
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390 | # define QIC02_STAT_PORT AR_QIC02_STAT_PORT |
||
391 | # define QIC02_CTL_PORT AR_QIC02_CTL_PORT |
||
392 | # define QIC02_CMD_PORT AR_QIC02_CMD_PORT |
||
393 | # define QIC02_DATA_PORT AR_QIC02_DATA_PORT |
||
394 | |||
395 | # define QIC02_STAT_READY AR_QIC02_STAT_READY |
||
396 | # define QIC02_STAT_EXCEPTION AR_QIC02_STAT_EXCEPTION |
||
397 | # define QIC02_STAT_MASK AR_QIC02_STAT_MASK |
||
398 | # define QIC02_STAT_RESETMASK AR_QIC02_STAT_RESETMASK |
||
399 | # define QIC02_STAT_RESETVAL AR_QIC02_STAT_RESETVAL |
||
400 | |||
401 | # define QIC02_CTL_RESET AR_QIC02_CTL_RESET |
||
402 | # define QIC02_CTL_REQUEST AR_QIC02_CTL_REQUEST |
||
403 | |||
404 | # if QIC02_TAPE_DMA > 3 /* channel 2 is used by the floppy driver */ |
||
405 | # error DMA channels other than 1 and 3 are not supported. |
||
406 | # endif |
||
407 | |||
408 | # elif QIC02_TAPE_IFC == MOUNTAIN |
||
409 | # define QIC02_STAT_POLARITY MTN_QIC02_STAT_POLARITY |
||
410 | # define QIC02_STAT_PORT MTN_QIC02_STAT_PORT |
||
411 | # define QIC02_CTL_PORT MTN_QIC02_CTL_PORT |
||
412 | # define QIC02_CMD_PORT MTN_QIC02_CMD_PORT |
||
413 | # define QIC02_DATA_PORT MTN_QIC02_DATA_PORT |
||
414 | |||
415 | # define QIC02_STAT_READY MTN_QIC02_STAT_READY |
||
416 | # define QIC02_STAT_EXCEPTION MTN_QIC02_STAT_EXCEPTION |
||
417 | # define QIC02_STAT_MASK MTN_QIC02_STAT_MASK |
||
418 | # define QIC02_STAT_RESETMASK MTN_QIC02_STAT_RESETMASK |
||
419 | # define QIC02_STAT_RESETVAL MTN_QIC02_STAT_RESETVAL |
||
420 | |||
421 | # define QIC02_CTL_RESET MTN_QIC02_CTL_RESET |
||
422 | # define QIC02_CTL_REQUEST MTN_QIC02_CTL_REQUEST |
||
423 | |||
424 | # if QIC02_TAPE_DMA > 3 /* channel 2 is used by the floppy driver */ |
||
425 | # error DMA channels other than 1 and 3 are not supported. |
||
426 | # endif |
||
427 | |||
428 | # else |
||
429 | # error No valid interface card specified! |
||
430 | # endif /* QIC02_TAPE_IFC */ |
||
431 | |||
432 | |||
433 | /* An ugly hack to make sure WT_CTL_DMA is defined even for the |
||
434 | * static, non-Wangtek case. The alternative was even worse. |
||
435 | */ |
||
436 | # ifndef WT_CTL_DMA |
||
437 | # define WT_CTL_DMA WT_CTL_DMA1 |
||
438 | # endif |
||
439 | |||
440 | /*******************/ |
||
441 | |||
442 | #else /* !CONFIG_QIC02_DYNCONF */ |
||
443 | |||
444 | /* Now the runtime config version, using variables instead of constants. |
||
445 | * |
||
446 | * qic02_tape_dynconf is R/O for the kernel, set from userspace. |
||
447 | * qic02_tape_ccb is private to the driver, R/W. |
||
448 | */ |
||
449 | |||
450 | # define QIC02_TAPE_DRIVE (qic02_tape_dynconf.mt_type) |
||
451 | # define QIC02_TAPE_IFC (qic02_tape_ccb.ifc_type) |
||
452 | # define QIC02_TAPE_IRQ (qic02_tape_dynconf.irqnr) |
||
453 | # define QIC02_TAPE_DMA (qic02_tape_dynconf.dmanr) |
||
454 | # define QIC02_TAPE_PORT (qic02_tape_dynconf.port) |
||
455 | # define WT_CTL_DMA (qic02_tape_ccb.dma_enable_value) |
||
456 | # define QIC02_TAPE_DEBUG (qic02_tape_dynconf.debug) |
||
457 | |||
458 | # define QIC02_STAT_PORT (qic02_tape_ccb.port_stat) |
||
459 | # define QIC02_CTL_PORT (qic02_tape_ccb.port_ctl) |
||
460 | # define QIC02_CMD_PORT (qic02_tape_ccb.port_cmd) |
||
461 | # define QIC02_DATA_PORT (qic02_tape_ccb.port_data) |
||
462 | |||
463 | # define QIC02_STAT_POLARITY (qic02_tape_ccb.stat_polarity) |
||
464 | # define QIC02_STAT_READY (qic02_tape_ccb.stat_ready) |
||
465 | # define QIC02_STAT_EXCEPTION (qic02_tape_ccb.stat_exception) |
||
466 | # define QIC02_STAT_MASK (qic02_tape_ccb.stat_mask) |
||
467 | |||
468 | # define QIC02_STAT_RESETMASK (qic02_tape_ccb.stat_resetmask) |
||
469 | # define QIC02_STAT_RESETVAL (qic02_tape_ccb.stat_resetval) |
||
470 | |||
471 | # define QIC02_CTL_RESET (qic02_tape_ccb.ctl_reset) |
||
472 | # define QIC02_CTL_REQUEST (qic02_tape_ccb.ctl_request) |
||
473 | |||
474 | # define TP_HAVE_DENS (qic02_tape_dynconf.have_dens) |
||
475 | # define TP_HAVE_BSF (qic02_tape_dynconf.have_bsf) |
||
476 | # define TP_HAVE_FSR (qic02_tape_dynconf.have_fsr) |
||
477 | # define TP_HAVE_BSR (qic02_tape_dynconf.have_bsr) |
||
478 | # define TP_HAVE_EOD (qic02_tape_dynconf.have_eod) |
||
479 | # define TP_HAVE_SEEK (qic02_tape_dynconf.have_seek) |
||
480 | # define TP_HAVE_TELL (qic02_tape_dynconf.have_tell) |
||
481 | # define TP_HAVE_RAS1 (qic02_tape_dynconf.have_ras1) |
||
482 | # define TP_HAVE_RAS2 (qic02_tape_dynconf.have_ras2) |
||
483 | |||
484 | #endif /* CONFIG_QIC02_DYNCONF */ |
||
485 | |||
486 | |||
487 | /* "Vendor Unique" codes */ |
||
488 | /* Archive seek & tell stuff */ |
||
489 | #define AR_QCMDV_TELL_BLK 0xAE /* read current block address */ |
||
490 | #define AR_QCMDV_SEEK_BLK 0xAD /* seek to specific block */ |
||
491 | #define AR_SEEK_BUF_SIZE 3 /* address is 3 bytes */ |
||
492 | |||
493 | |||
494 | |||
495 | /* |
||
496 | * Misc common stuff |
||
497 | */ |
||
498 | |||
499 | /* Standard QIC-02 commands -- rev F. All QIC-02 drives must support these */ |
||
500 | #define QCMD_SEL_1 0x01 /* select drive 1 */ |
||
501 | #define QCMD_SEL_2 0x02 /* select drive 2 */ |
||
502 | #define QCMD_SEL_3 0x04 /* select drive 3 */ |
||
503 | #define QCMD_SEL_4 0x08 /* select drive 4 */ |
||
504 | #define QCMD_REWIND 0x21 /* rewind tape */ |
||
505 | #define QCMD_ERASE 0x22 /* erase tape */ |
||
506 | #define QCMD_RETEN 0x24 /* retension tape */ |
||
507 | #define QCMD_WRT_DATA 0x40 /* write data */ |
||
508 | #define QCMD_WRT_FM 0x60 /* write file mark */ |
||
509 | #define QCMD_RD_DATA 0x80 /* read data */ |
||
510 | #define QCMD_RD_FM 0xA0 /* read file mark (forward direction) */ |
||
511 | #define QCMD_RD_STAT 0xC0 /* read status */ |
||
512 | |||
513 | /* Other (optional/vendor unique) commands */ |
||
514 | /* Density commands are only valid when TP_BOM is set! */ |
||
515 | #define QCMD_DENS_11 0x26 /* QIC-11 */ |
||
516 | #define QCMD_DENS_24 0x27 /* QIC-24: 9 track 60MB */ |
||
517 | #define QCMD_DENS_120 0x28 /* QIC-120: 15 track 120MB */ |
||
518 | #define QCMD_DENS_150 0x29 /* QIC-150: 18 track 150MB */ |
||
519 | #define QCMD_DENS_300 0x2A /* QIC-300/QIC-2100 */ |
||
520 | #define QCMD_DENS_600 0x2B /* QIC-600/QIC-2200 */ |
||
521 | /* don't know about QIC-1000 and QIC-1350 */ |
||
522 | |||
523 | #define QCMD_WRTNU_DATA 0x40 /* write data, no underruns, insert filler. */ |
||
524 | #define QCMD_SPACE_FWD 0x81 /* skip next block */ |
||
525 | #define QCMD_SPACE_BCK 0x89 /* move tape head one block back -- very useful! */ |
||
526 | #define QCMD_RD_FM_BCK 0xA8 /* read filemark (backwards) */ |
||
527 | #define QCMD_SEEK_EOD 0xA3 /* skip to EOD */ |
||
528 | #define QCMD_RD_STAT_X1 0xC1 /* read extended status 1 */ |
||
529 | #define QCMD_RD_STAT_X2 0xC4 /* read extended status 2 */ |
||
530 | #define QCMD_RD_STAT_X3 0xE0 /* read extended status 3 */ |
||
531 | #define QCMD_SELF_TST1 0xC2 /* run self test 1 (nondestructive) */ |
||
532 | #define QCMD_SELF_TST2 0xCA /* run self test 2 (destructive) */ |
||
533 | |||
534 | |||
535 | |||
536 | /* Optional, QFA (Quick File Access) commands. |
||
537 | * Not all drives support this, but those that do could use these commands |
||
538 | * to implement semi-non-sequential access. `mt fsf` would benefit from this. |
||
539 | * QFA divides the tape into 2 partitions, a data and a directory partition, |
||
540 | * causing some incompatibility problems wrt std QIC-02 data exchange. |
||
541 | * It would be useful to cache the directory info, but that might be tricky |
||
542 | * to do in kernel-space. [Size constraints.] |
||
543 | * Refer to the QIC-02 specs, appendix A for more information. |
||
544 | * I have no idea how other *nix variants implement QFA. |
||
545 | * I have no idea which drives support QFA and which don't. |
||
546 | */ |
||
547 | #define QFA_ENABLE 0x2D /* enter QFA mode, give @ BOT only */ |
||
548 | #define QFA_DATA 0x20 /* select data partition */ |
||
549 | #define QFA_DIR 0x23 /* select directory partition */ |
||
550 | #define QFA_RD_POS 0xCF /* read position+status bytes */ |
||
551 | #define QFA_SEEK_EOD 0xA1 /* seek EOD within current partition */ |
||
552 | #define QFA_SEEK_BLK 0xAF /* seek to a block within current partition */ |
||
553 | |||
554 | |||
555 | |||
556 | |||
557 | /* |
||
558 | * Debugging flags |
||
559 | */ |
||
560 | #define TPQD_SENSE_TEXT 0x0001 |
||
561 | #define TPQD_SENSE_CNTS 0x0002 |
||
562 | #define TPQD_REWIND 0x0004 |
||
563 | #define TPQD_TERM_CYCLE 0x0008 |
||
564 | #define TPQD_IOCTLS 0x0010 |
||
565 | #define TPQD_DMAX 0x0020 |
||
566 | #define TPQD_BLKSZ 0x0040 |
||
567 | #define TPQD_MISC 0x0080 |
||
568 | |||
569 | #define TPQD_DEBUG 0x0100 |
||
570 | |||
571 | #define TPQD_DIAGS 0x1000 |
||
572 | |||
573 | #define TPQD_ALWAYS 0x8000 |
||
574 | |||
575 | #define TPQD_DEFAULT_FLAGS 0x00fc |
||
576 | |||
577 | |||
578 | #define TPQDBG(f) ((QIC02_TAPE_DEBUG) & (TPQD_##f)) |
||
579 | |||
580 | |||
581 | /* Minor device codes for tapes: |
||
582 | * |7|6|5|4|3|2|1|0| |
||
583 | * | \ | / \ | / |_____ 1=rewind on close, 0=no rewind on close |
||
584 | * | \|/ |_________ Density: 000=none, 001=QIC-11, 010=24, 011=120, |
||
585 | * | | 100=QIC-150, 101..111 reserved. |
||
586 | * | |_______________ Reserved for unit numbers. |
||
587 | * |___________________ Reserved for diagnostics during debugging. |
||
588 | */ |
||
589 | |||
590 | #define TP_REWCLOSE(d) ((d)&1) /* rewind bit */ |
||
591 | /* rewind is only done if data has been transferred */ |
||
592 | #define TP_DENS(d) (((d) >> 1) & 0x07) /* tape density */ |
||
593 | #define TP_UNIT(d) (((d) >> 4) & 0x07) /* unit number */ |
||
594 | |||
595 | /* print excessive diagnostics */ |
||
596 | #define TP_DIAGS(dev) (QIC02_TAPE_DEBUG & TPQD_DIAGS) |
||
597 | |||
598 | /* status codes returned by a WTS_RDSTAT call */ |
||
599 | struct tpstatus { /* sizeof(short)==2), LSB first */ |
||
600 | unsigned short exs; /* Drive exception flags */ |
||
601 | unsigned short dec; /* data error count: nr of blocks rewritten/soft read errors */ |
||
602 | unsigned short urc; /* underrun count: nr of times streaming was interrupted */ |
||
603 | }; |
||
604 | #define TPSTATSIZE sizeof(struct tpstatus) |
||
605 | |||
606 | |||
607 | /* defines for tpstatus.exs -- taken from 386BSD wt driver */ |
||
608 | #define TP_POR 0x100 /* Power on or reset occurred */ |
||
609 | #define TP_EOR 0x200 /* REServed for end of RECORDED media */ |
||
610 | #define TP_PAR 0x400 /* REServed for bus parity */ |
||
611 | #define TP_BOM 0x800 /* Beginning of media */ |
||
612 | #define TP_MBD 0x1000 /* Marginal block detected */ |
||
613 | #define TP_NDT 0x2000 /* No data detected */ |
||
614 | #define TP_ILL 0x4000 /* Illegal command */ |
||
615 | #define TP_ST1 0x8000 /* Status byte 1 flag */ |
||
616 | #define TP_FIL 0x01 /* File mark detected */ |
||
617 | #define TP_BNL 0x02 /* Bad block not located */ |
||
618 | #define TP_UDA 0x04 /* Unrecoverable data error */ |
||
619 | #define TP_EOM 0x08 /* End of media */ |
||
620 | #define TP_WRP 0x10 /* Write protected cartridge */ |
||
621 | #define TP_USL 0x20 /* Unselected drive */ |
||
622 | #define TP_CNI 0x40 /* Cartridge not in place */ |
||
623 | #define TP_ST0 0x80 /* Status byte 0 flag */ |
||
624 | |||
625 | #define REPORT_ERR0 (TP_CNI|TP_USL|TP_WRP|TP_EOM|TP_UDA|TP_BNL|TP_FIL) |
||
626 | #define REPORT_ERR1 (TP_ILL|TP_NDT|TP_MBD|TP_PAR) |
||
627 | |||
628 | |||
629 | /* exception numbers */ |
||
630 | #define EXC_UNKNOWN 0 /* (extra) Unknown exception code */ |
||
631 | #define EXC_NDRV 1 /* No drive */ |
||
632 | #define EXC_NCART 2 /* No cartridge */ |
||
633 | #define EXC_WP 3 /* Write protected */ |
||
634 | #define EXC_EOM 4 /* EOM */ |
||
635 | #define EXC_RWA 5 /* read/write abort */ |
||
636 | #define EXC_XBAD 6 /* read error, bad block transferred */ |
||
637 | #define EXC_XFILLER 7 /* read error, filler block transferred */ |
||
638 | #define EXC_NDT 8 /* read error, no data */ |
||
639 | #define EXC_NDTEOM 9 /* read error, no data & EOM */ |
||
640 | #define EXC_NDTBOM 10 /* read error, no data & BOM */ |
||
641 | #define EXC_FM 11 /* Read a filemark */ |
||
642 | #define EXC_ILL 12 /* Illegal command */ |
||
643 | #define EXC_POR 13 /* Power on/reset */ |
||
644 | #define EXC_MARGINAL 14 /* Marginal block detected */ |
||
645 | #define EXC_EOR 15 /* (extra, for SEEKEOD) End Of Recorded data reached */ |
||
646 | #define EXC_BOM 16 /* (extra) BOM reached */ |
||
647 | |||
648 | |||
649 | #define TAPE_NOTIFY_TIMEOUT 1000000 |
||
650 | |||
651 | /* internal function return codes */ |
||
652 | #define TE_OK 0 /* everything is fine */ |
||
653 | #define TE_EX 1 /* exception detected */ |
||
654 | #define TE_ERR 2 /* some error */ |
||
655 | #define TE_NS 3 /* can't read status */ |
||
656 | #define TE_TIM 4 /* timed out */ |
||
657 | #define TE_DEAD 5 /* tape drive doesn't respond */ |
||
658 | #define TE_END 6 /******** Archive hack *****/ |
||
659 | |||
660 | /* timeout timer values -- check these! */ |
||
661 | #define TIM_S (4*HZ) /* 4 seconds (normal cmds) */ |
||
662 | #define TIM_M (30*HZ) /* 30 seconds (write FM) */ |
||
663 | #define TIM_R (8*60*HZ) /* 8 minutes (retensioning) */ |
||
664 | #define TIM_F (2*3600*HZ) /* est. 1.2hr for full tape read/write+2 retens */ |
||
665 | |||
666 | #define TIMERON(t) mod_timer(&tp_timer, jiffies + (t)) |
||
667 | #define TIMEROFF del_timer_sync(&tp_timer); |
||
668 | #define TIMERCONT add_timer(&tp_timer); |
||
669 | |||
670 | |||
671 | typedef char flag; |
||
672 | #define NO 0 /* NO must be 0 */ |
||
673 | #define YES 1 /* YES must be != 0 */ |
||
674 | |||
675 | |||
676 | #ifdef TDEBUG |
||
677 | # define TPQDEB(s) s |
||
678 | # define TPQPUTS(s) tpqputs(s) |
||
679 | #else |
||
680 | # define TPQDEB(s) |
||
681 | # define TPQPUTS(s) |
||
682 | #endif |
||
683 | |||
684 | |||
685 | /* NR_BLK_BUF is a `tuneable parameter'. If you're really low on |
||
686 | * kernel space, you could decrease it to 1, or if you got a very |
||
687 | * slow machine, you could increase it up to 127 blocks. Less kernel |
||
688 | * buffer blocks result in more context-switching. |
||
689 | */ |
||
690 | #define NR_BLK_BUF 20 /* max 127 blocks */ |
||
691 | #define TAPE_BLKSIZE 512 /* streamer tape block size (fixed) */ |
||
692 | #define TPQBUF_SIZE (TAPE_BLKSIZE*NR_BLK_BUF) /* buffer size */ |
||
693 | |||
694 | |||
695 | #define BLOCKS_BEYOND_EW 2 /* nr of blocks after Early Warning hole */ |
||
696 | #define BOGUS_IRQ 32009 |
||
697 | |||
698 | |||
699 | /* This is internal data, filled in based on the ifc_type field given |
||
700 | * by the user. Everex is mapped to Wangtek with a different |
||
701 | * `dma_enable_value', if dmanr==3. |
||
702 | */ |
||
703 | struct qic02_ccb { |
||
704 | long ifc_type; |
||
705 | |||
706 | unsigned short port_stat; /* Status port address */ |
||
707 | unsigned short port_ctl; /* Control port address */ |
||
708 | unsigned short port_cmd; /* Command port address */ |
||
709 | unsigned short port_data; /* Data port address */ |
||
710 | |||
711 | /* status register bits */ |
||
712 | unsigned short stat_polarity; /* invert status bits or not */ |
||
713 | unsigned short stat_ready; /* drive ready */ |
||
714 | unsigned short stat_exception; /* drive signals exception */ |
||
715 | unsigned short stat_mask; |
||
716 | unsigned short stat_resetmask; |
||
717 | unsigned short stat_resetval; |
||
718 | |||
719 | /* control register bits */ |
||
720 | unsigned short ctl_reset; /* reset drive */ |
||
721 | unsigned short ctl_request; /* latch command */ |
||
722 | |||
723 | /* This is used to change the DMA3 behaviour */ |
||
724 | unsigned short dma_enable_value; |
||
725 | }; |
||
726 | |||
727 | #if MODULE |
||
728 | static int qic02_tape_init(void); |
||
729 | #else |
||
730 | extern int qic02_tape_init(void); /* for mem.c */ |
||
731 | #endif |
||
732 | |||
733 | |||
734 | |||
735 | #endif /* CONFIG_QIC02_TAPE */ |
||
736 | |||
737 | #endif /* _LINUX_TPQIC02_H */ |
||
738 |