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]
  26  *          (ComputerBoards) DAS08-PGM [das08-pgm]
  27  *          (ComputerBoards) DAS08-PGH [das08-pgh]
  28  *          (ComputerBoards) DAS08-PGL [das08-pgl]
  29  *          (ComputerBoards) DAS08-AOH [das08-aoh]
  30  *          (ComputerBoards) DAS08-AOL [das08-aol]
  31  *          (ComputerBoards) DAS08-AOM [das08-aom]
  32  *          (ComputerBoards) DAS08/JR-AO [das08/jr-ao]
  33  *          (ComputerBoards) DAS08/JR-16-AO [das08jr-16-ao]
  34  *          (ComputerBoards) PC104-DAS08 [pc104-das08]
  35  *          (ComputerBoards) DAS08/JR/16 [das08jr/16]
  36  * Author: Warren Jasper, ds, Frank Hess
  37  * Updated: Fri, 31 Aug 2012 19:19:06 +0100
  38  * Status: works
  39  *
  40  * This is the ISA/PC-104-specific support split off from the das08 driver.
  41  *
  42  * Configuration Options:
  43  *      [0] - base io address
  44  */
  45
  46 #include <linux/module.h>
  47 #include "../comedidev.h"
  48
  49 #include "das08.h"
  50
  51 static const struct das08_board_struct das08_isa_boards[] = {
  52         {
  53                 /* cio-das08.pdf */
  54                 .name           = "isa-das08",
  55                 .ai_nbits       = 12,
  56                 .ai_pg          = das08_pg_none,
  57                 .ai_encoding    = das08_encode12,
  58                 .di_nchan       = 3,
  59                 .do_nchan       = 4,
  60                 .i8255_offset   = 8,
  61                 .i8254_offset   = 4,
  62                 .iosize         = 16,           /* unchecked */
  63         }, {
  64                 /* cio-das08pgx.pdf */
  65                 .name           = "das08-pgm",
  66                 .ai_nbits       = 12,
  67                 .ai_pg          = das08_pgm,
  68                 .ai_encoding    = das08_encode12,
  69                 .di_nchan       = 3,
  70                 .do_nchan       = 4,
  71                 .i8255_offset   = 0,
  72                 .i8254_offset   = 0x04,
  73                 .iosize         = 16,           /* unchecked */
  74         }, {
  75                 /* cio-das08pgx.pdf */
  76                 .name           = "das08-pgh",
  77                 .ai_nbits       = 12,
  78                 .ai_pg          = das08_pgh,
  79                 .ai_encoding    = das08_encode12,
  80                 .di_nchan       = 3,
  81                 .do_nchan       = 4,
  82                 .i8254_offset   = 0x04,
  83                 .iosize         = 16,           /* unchecked */
  84         }, {
  85                 /* cio-das08pgx.pdf */
  86                 .name           = "das08-pgl",
  87                 .ai_nbits       = 12,
  88                 .ai_pg          = das08_pgl,
  89                 .ai_encoding    = das08_encode12,
  90                 .di_nchan       = 3,
  91                 .do_nchan       = 4,
  92                 .i8254_offset   = 0x04,
  93                 .iosize         = 16,           /* unchecked */
  94         }, {
  95                 /* cio-das08_aox.pdf */
  96                 .name           = "das08-aoh",
  97                 .ai_nbits       = 12,
  98                 .ai_pg          = das08_pgh,
  99                 .ai_encoding    = das08_encode12,
 100                 .ao_nbits       = 12,
 101                 .di_nchan       = 3,
 102                 .do_nchan       = 4,
 103                 .i8255_offset   = 0x0c,
 104                 .i8254_offset   = 0x04,
 105                 .iosize         = 16,           /* unchecked */
 106         }, {
 107                 /* cio-das08_aox.pdf */
 108                 .name           = "das08-aol",
 109                 .ai_nbits       = 12,
 110                 .ai_pg          = das08_pgl,
 111                 .ai_encoding    = das08_encode12,
 112                 .ao_nbits       = 12,
 113                 .di_nchan       = 3,
 114                 .do_nchan       = 4,
 115                 .i8255_offset   = 0x0c,
 116                 .i8254_offset   = 0x04,
 117                 .iosize         = 16,           /* unchecked */
 118         }, {
 119                 /* cio-das08_aox.pdf */
 120                 .name           = "das08-aom",
 121                 .ai_nbits       = 12,
 122                 .ai_pg          = das08_pgm,
 123                 .ai_encoding    = das08_encode12,
 124                 .ao_nbits       = 12,
 125                 .di_nchan       = 3,
 126                 .do_nchan       = 4,
 127                 .i8255_offset   = 0x0c,
 128                 .i8254_offset   = 0x04,
 129                 .iosize         = 16,           /* unchecked */
 130         }, {
 131                 /* cio-das08-jr-ao.pdf */
 132                 .name           = "das08/jr-ao",
 133                 .is_jr          = true,
 134                 .ai_nbits       = 12,
 135                 .ai_pg          = das08_pg_none,
 136                 .ai_encoding    = das08_encode12,
 137                 .ao_nbits       = 12,
 138                 .di_nchan       = 8,
 139                 .do_nchan       = 8,
 140                 .iosize         = 16,           /* unchecked */
 141         }, {
 142                 /* cio-das08jr-16-ao.pdf */
 143                 .name           = "das08jr-16-ao",
 144                 .is_jr          = true,
 145                 .ai_nbits       = 16,
 146                 .ai_pg          = das08_pg_none,
 147                 .ai_encoding    = das08_encode16,
 148                 .ao_nbits       = 16,
 149                 .di_nchan       = 8,
 150                 .do_nchan       = 8,
 151                 .i8254_offset   = 0x04,
 152                 .iosize         = 16,           /* unchecked */
 153         }, {
 154                 .name           = "pc104-das08",
 155                 .ai_nbits       = 12,
 156                 .ai_pg          = das08_pg_none,
 157                 .ai_encoding    = das08_encode12,
 158                 .di_nchan       = 3,
 159                 .do_nchan       = 4,
 160                 .i8254_offset   = 4,
 161                 .iosize         = 16,           /* unchecked */
 162         }, {
 163                 .name           = "das08jr/16",
 164                 .is_jr          = true,
 165                 .ai_nbits       = 16,
 166                 .ai_pg          = das08_pg_none,
 167                 .ai_encoding    = das08_encode16,
 168                 .di_nchan       = 8,
 169                 .do_nchan       = 8,
 170                 .iosize         = 16,           /* unchecked */
 171         },
 172 };
 173
 174 static int das08_isa_attach(struct comedi_device *dev,
 175                             struct comedi_devconfig *it)
 176 {
 177         const struct das08_board_struct *thisboard = comedi_board(dev);
 178         struct das08_private_struct *devpriv;
 179         int ret;
 180
 181         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
 182         if (!devpriv)
 183                 return -ENOMEM;
 184
 185         ret = comedi_request_region(dev, it->options[0], thisboard->iosize);
 186         if (ret)
 187                 return ret;
 188
 189         return das08_common_attach(dev, dev->iobase);
 190 }
 191
 192 static struct comedi_driver das08_isa_driver = {
 193         .driver_name    = "isa-das08",
 194         .module         = THIS_MODULE,
 195         .attach         = das08_isa_attach,
 196         .detach         = comedi_legacy_detach,
 197         .board_name     = &das08_isa_boards[0].name,
 198         .num_names      = ARRAY_SIZE(das08_isa_boards),
 199         .offset         = sizeof(das08_isa_boards[0]),
 200 };
 201 module_comedi_driver(das08_isa_driver);
 202
 203 MODULE_AUTHOR("Comedi http://www.comedi.org");
 204 MODULE_DESCRIPTION("Comedi low-level driver");
 205 MODULE_LICENSE("GPL");