kernel/drivers/staging/comedi/drivers/das08_isa.c

   1 /*
   2  *  das08_isa.c
   3  *  comedi driver for DAS08 ISA/PC-104 boards
   4  *
   5  *  COMEDI - Linux Control and Measurement Device Interface
   6  *  Copyright (C) 2000 David A. Schleef <ds@schleef.org>
   7  *  Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
   8  *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  */
  20
  21 /*
  22  * Driver: das08_isa
  23  * Description: DAS-08 ISA/PC-104 compatible boards
  24  * Devices: [Keithley Metrabyte] DAS08 (isa-das08),
  25  *   [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
  26  *   DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
  27  *   DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
  28  *   DAS08/JR-16-AO (das08jr-16-ao), PC104-DAS08 (pc104-das08),
  29  *   DAS08/JR/16 (das08jr/16)
  30  * Author: Warren Jasper, ds, Frank Hess
  31  * Updated: Fri, 31 Aug 2012 19:19:06 +0100
  32  * Status: works
  33  *
  34  * This is the ISA/PC-104-specific support split off from the das08 driver.
  35  *
  36  * Configuration Options:
  37  *      [0] - base io address
  38  */
  39
  40 #include <linux/module.h>
  41 #include "../comedidev.h"
  42
  43 #include "das08.h"
  44
  45 static const struct das08_board_struct das08_isa_boards[] = {
  46         {
  47                 /* cio-das08.pdf */
  48                 .name           = "isa-das08",
  49                 .ai_nbits       = 12,
  50                 .ai_pg          = das08_pg_none,
  51                 .ai_encoding    = das08_encode12,
  52                 .di_nchan       = 3,
  53                 .do_nchan       = 4,
  54                 .i8255_offset   = 8,
  55                 .i8254_offset   = 4,
  56                 .iosize         = 16,           /* unchecked */
  57         }, {
  58                 /* cio-das08pgx.pdf */
  59                 .name           = "das08-pgm",
  60                 .ai_nbits       = 12,
  61                 .ai_pg          = das08_pgm,
  62                 .ai_encoding    = das08_encode12,
  63                 .di_nchan       = 3,
  64                 .do_nchan       = 4,
  65                 .i8255_offset   = 0,
  66                 .i8254_offset   = 0x04,
  67                 .iosize         = 16,           /* unchecked */
  68         }, {
  69                 /* cio-das08pgx.pdf */
  70                 .name           = "das08-pgh",
  71                 .ai_nbits       = 12,
  72                 .ai_pg          = das08_pgh,
  73                 .ai_encoding    = das08_encode12,
  74                 .di_nchan       = 3,
  75                 .do_nchan       = 4,
  76                 .i8254_offset   = 0x04,
  77                 .iosize         = 16,           /* unchecked */
  78         }, {
  79                 /* cio-das08pgx.pdf */
  80                 .name           = "das08-pgl",
  81                 .ai_nbits       = 12,
  82                 .ai_pg          = das08_pgl,
  83                 .ai_encoding    = das08_encode12,
  84                 .di_nchan       = 3,
  85                 .do_nchan       = 4,
  86                 .i8254_offset   = 0x04,
  87                 .iosize         = 16,           /* unchecked */
  88         }, {
  89                 /* cio-das08_aox.pdf */
  90                 .name           = "das08-aoh",
  91                 .ai_nbits       = 12,
  92                 .ai_pg          = das08_pgh,
  93                 .ai_encoding    = das08_encode12,
  94                 .ao_nbits       = 12,
  95                 .di_nchan       = 3,
  96                 .do_nchan       = 4,
  97                 .i8255_offset   = 0x0c,
  98                 .i8254_offset   = 0x04,
  99                 .iosize         = 16,           /* unchecked */
 100         }, {
 101                 /* cio-das08_aox.pdf */
 102                 .name           = "das08-aol",
 103                 .ai_nbits       = 12,
 104                 .ai_pg          = das08_pgl,
 105                 .ai_encoding    = das08_encode12,
 106                 .ao_nbits       = 12,
 107                 .di_nchan       = 3,
 108                 .do_nchan       = 4,
 109                 .i8255_offset   = 0x0c,
 110                 .i8254_offset   = 0x04,
 111                 .iosize         = 16,           /* unchecked */
 112         }, {
 113                 /* cio-das08_aox.pdf */
 114                 .name           = "das08-aom",
 115                 .ai_nbits       = 12,
 116                 .ai_pg          = das08_pgm,
 117                 .ai_encoding    = das08_encode12,
 118                 .ao_nbits       = 12,
 119                 .di_nchan       = 3,
 120                 .do_nchan       = 4,
 121                 .i8255_offset   = 0x0c,
 122                 .i8254_offset   = 0x04,
 123                 .iosize         = 16,           /* unchecked */
 124         }, {
 125                 /* cio-das08-jr-ao.pdf */
 126                 .name           = "das08/jr-ao",
 127                 .is_jr          = true,
 128                 .ai_nbits       = 12,
 129                 .ai_pg          = das08_pg_none,
 130                 .ai_encoding    = das08_encode12,
 131                 .ao_nbits       = 12,
 132                 .di_nchan       = 8,
 133                 .do_nchan       = 8,
 134                 .iosize         = 16,           /* unchecked */
 135         }, {
 136                 /* cio-das08jr-16-ao.pdf */
 137                 .name           = "das08jr-16-ao",
 138                 .is_jr          = true,
 139                 .ai_nbits       = 16,
 140                 .ai_pg          = das08_pg_none,
 141                 .ai_encoding    = das08_encode16,
 142                 .ao_nbits       = 16,
 143                 .di_nchan       = 8,
 144                 .do_nchan       = 8,
 145                 .i8254_offset   = 0x04,
 146                 .iosize         = 16,           /* unchecked */
 147         }, {
 148                 .name           = "pc104-das08",
 149                 .ai_nbits       = 12,
 150                 .ai_pg          = das08_pg_none,
 151                 .ai_encoding    = das08_encode12,
 152                 .di_nchan       = 3,
 153                 .do_nchan       = 4,
 154                 .i8254_offset   = 4,
 155                 .iosize         = 16,           /* unchecked */
 156         }, {
 157                 .name           = "das08jr/16",
 158                 .is_jr          = true,
 159                 .ai_nbits       = 16,
 160                 .ai_pg          = das08_pg_none,
 161                 .ai_encoding    = das08_encode16,
 162                 .di_nchan       = 8,
 163                 .do_nchan       = 8,
 164                 .iosize         = 16,           /* unchecked */
 165         },
 166 };
 167
 168 static int das08_isa_attach(struct comedi_device *dev,
 169                             struct comedi_devconfig *it)
 170 {
 171         const struct das08_board_struct *thisboard = dev->board_ptr;
 172         struct das08_private_struct *devpriv;
 173         int ret;
 174
 175         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
 176         if (!devpriv)
 177                 return -ENOMEM;
 178
 179         ret = comedi_request_region(dev, it->options[0], thisboard->iosize);
 180         if (ret)
 181                 return ret;
 182
 183         return das08_common_attach(dev, dev->iobase);
 184 }
 185
 186 static struct comedi_driver das08_isa_driver = {
 187         .driver_name    = "isa-das08",
 188         .module         = THIS_MODULE,
 189         .attach         = das08_isa_attach,
 190         .detach         = comedi_legacy_detach,
 191         .board_name     = &das08_isa_boards[0].name,
 192         .num_names      = ARRAY_SIZE(das08_isa_boards),
 193         .offset         = sizeof(das08_isa_boards[0]),
 194 };
 195 module_comedi_driver(das08_isa_driver);
 196
 197 MODULE_AUTHOR("Comedi http://www.comedi.org");
 198 MODULE_DESCRIPTION("Comedi low-level driver");
 199 MODULE_LICENSE("GPL");