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 "../comedidev.h"
  47
  48 #include "das08.h"
  49
  50 static const struct das08_board_struct das08_isa_boards[] = {
  51         {
  52                 /* cio-das08.pdf */
  53                 .name           = "isa-das08",
  54                 .ai_nbits       = 12,
  55                 .ai_pg          = das08_pg_none,
  56                 .ai_encoding    = das08_encode12,
  57                 .di_nchan       = 3,
  58                 .do_nchan       = 4,
  59                 .i8255_offset   = 8,
  60                 .i8254_offset   = 4,
  61                 .iosize         = 16,           /* unchecked */
  62         }, {
  63                 /* cio-das08pgx.pdf */
  64                 .name           = "das08-pgm",
  65                 .ai_nbits       = 12,
  66                 .ai_pg          = das08_pgm,
  67                 .ai_encoding    = das08_encode12,
  68                 .di_nchan       = 3,
  69                 .do_nchan       = 4,
  70                 .i8255_offset   = 0,
  71                 .i8254_offset   = 0x04,
  72                 .iosize         = 16,           /* unchecked */
  73         }, {
  74                 /* cio-das08pgx.pdf */
  75                 .name           = "das08-pgh",
  76                 .ai_nbits       = 12,
  77                 .ai_pg          = das08_pgh,
  78                 .ai_encoding    = das08_encode12,
  79                 .di_nchan       = 3,
  80                 .do_nchan       = 4,
  81                 .i8254_offset   = 0x04,
  82                 .iosize         = 16,           /* unchecked */
  83         }, {
  84                 /* cio-das08pgx.pdf */
  85                 .name           = "das08-pgl",
  86                 .ai_nbits       = 12,
  87                 .ai_pg          = das08_pgl,
  88                 .ai_encoding    = das08_encode12,
  89                 .di_nchan       = 3,
  90                 .do_nchan       = 4,
  91                 .i8254_offset   = 0x04,
  92                 .iosize         = 16,           /* unchecked */
  93         }, {
  94                 /* cio-das08_aox.pdf */
  95                 .name           = "das08-aoh",
  96                 .ai_nbits       = 12,
  97                 .ai_pg          = das08_pgh,
  98                 .ai_encoding    = das08_encode12,
  99                 .ao_nbits       = 12,
 100                 .di_nchan       = 3,
 101                 .do_nchan       = 4,
 102                 .i8255_offset   = 0x0c,
 103                 .i8254_offset   = 0x04,
 104                 .iosize         = 16,           /* unchecked */
 105         }, {
 106                 /* cio-das08_aox.pdf */
 107                 .name           = "das08-aol",
 108                 .ai_nbits       = 12,
 109                 .ai_pg          = das08_pgl,
 110                 .ai_encoding    = das08_encode12,
 111                 .ao_nbits       = 12,
 112                 .di_nchan       = 3,
 113                 .do_nchan       = 4,
 114                 .i8255_offset   = 0x0c,
 115                 .i8254_offset   = 0x04,
 116                 .iosize         = 16,           /* unchecked */
 117         }, {
 118                 /* cio-das08_aox.pdf */
 119                 .name           = "das08-aom",
 120                 .ai_nbits       = 12,
 121                 .ai_pg          = das08_pgm,
 122                 .ai_encoding    = das08_encode12,
 123                 .ao_nbits       = 12,
 124                 .di_nchan       = 3,
 125                 .do_nchan       = 4,
 126                 .i8255_offset   = 0x0c,
 127                 .i8254_offset   = 0x04,
 128                 .iosize         = 16,           /* unchecked */
 129         }, {
 130                 /* cio-das08-jr-ao.pdf */
 131                 .name           = "das08/jr-ao",
 132                 .is_jr          = true,
 133                 .ai_nbits       = 12,
 134                 .ai_pg          = das08_pg_none,
 135                 .ai_encoding    = das08_encode12,
 136                 .ao_nbits       = 12,
 137                 .di_nchan       = 8,
 138                 .do_nchan       = 8,
 139                 .iosize         = 16,           /* unchecked */
 140         }, {
 141                 /* cio-das08jr-16-ao.pdf */
 142                 .name           = "das08jr-16-ao",
 143                 .is_jr          = true,
 144                 .ai_nbits       = 16,
 145                 .ai_pg          = das08_pg_none,
 146                 .ai_encoding    = das08_encode16,
 147                 .ao_nbits       = 16,
 148                 .di_nchan       = 8,
 149                 .do_nchan       = 8,
 150                 .i8254_offset   = 0x04,
 151                 .iosize         = 16,           /* unchecked */
 152         }, {
 153                 .name           = "pc104-das08",
 154                 .ai_nbits       = 12,
 155                 .ai_pg          = das08_pg_none,
 156                 .ai_encoding    = das08_encode12,
 157                 .di_nchan       = 3,
 158                 .do_nchan       = 4,
 159                 .i8254_offset   = 4,
 160                 .iosize         = 16,           /* unchecked */
 161         }, {
 162                 .name           = "das08jr/16",
 163                 .is_jr          = true,
 164                 .ai_nbits       = 16,
 165                 .ai_pg          = das08_pg_none,
 166                 .ai_encoding    = das08_encode16,
 167                 .di_nchan       = 8,
 168                 .do_nchan       = 8,
 169                 .iosize         = 16,           /* unchecked */
 170         },
 171 };
 172
 173 static int das08_isa_attach(struct comedi_device *dev,
 174                             struct comedi_devconfig *it)
 175 {
 176         const struct das08_board_struct *thisboard = comedi_board(dev);
 177         struct das08_private_struct *devpriv;
 178         int ret;
 179
 180         devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
 181         if (!devpriv)
 182                 return -ENOMEM;
 183         dev->private = devpriv;
 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 void das08_isa_detach(struct comedi_device *dev)
 193 {
 194         das08_common_detach(dev);
 195         comedi_legacy_detach(dev);
 196 }
 197
 198 static struct comedi_driver das08_isa_driver = {
 199         .driver_name    = "isa-das08",
 200         .module         = THIS_MODULE,
 201         .attach         = das08_isa_attach,
 202         .detach         = das08_isa_detach,
 203         .board_name     = &das08_isa_boards[0].name,
 204         .num_names      = ARRAY_SIZE(das08_isa_boards),
 205         .offset         = sizeof(das08_isa_boards[0]),
 206 };
 207 module_comedi_driver(das08_isa_driver);
 208
 209 MODULE_AUTHOR("Comedi http://www.comedi.org");
 210 MODULE_DESCRIPTION("Comedi low-level driver");
 211 MODULE_LICENSE("GPL");