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  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /*
  26  * Driver: das08_isa
  27  * Description: DAS-08 ISA/PC-104 compatible boards
  28  * Devices: (Keithley Metrabyte) DAS08 [isa-das08],
  29  *          (ComputerBoards) DAS08 [isa-das08]
  30  *          (ComputerBoards) DAS08-PGM [das08-pgm]
  31  *          (ComputerBoards) DAS08-PGH [das08-pgh]
  32  *          (ComputerBoards) DAS08-PGL [das08-pgl]
  33  *          (ComputerBoards) DAS08-AOH [das08-aoh]
  34  *          (ComputerBoards) DAS08-AOL [das08-aol]
  35  *          (ComputerBoards) DAS08-AOM [das08-aom]
  36  *          (ComputerBoards) DAS08/JR-AO [das08/jr-ao]
  37  *          (ComputerBoards) DAS08/JR-16-AO [das08jr-16-ao]
  38  *          (ComputerBoards) PC104-DAS08 [pc104-das08]
  39  *          (ComputerBoards) DAS08/JR/16 [das08jr/16]
  40  * Author: Warren Jasper, ds, Frank Hess
  41  * Updated: Fri, 31 Aug 2012 19:19:06 +0100
  42  * Status: works
  43  *
  44  * This is the ISA/PC-104-specific support split off from the das08 driver.
  45  *
  46  * Configuration Options:
  47  *      [0] - base io address
  48  */
  49
  50 #include "../comedidev.h"
  51
  52 #include "das08.h"
  53
  54 static const struct das08_board_struct das08_isa_boards[] = {
  55         {
  56                 /* cio-das08.pdf */
  57                 .name           = "isa-das08",
  58                 .ai_nbits       = 12,
  59                 .ai_pg          = das08_pg_none,
  60                 .ai_encoding    = das08_encode12,
  61                 .di_nchan       = 3,
  62                 .do_nchan       = 4,
  63                 .i8255_offset   = 8,
  64                 .i8254_offset   = 4,
  65                 .iosize         = 16,           /* unchecked */
  66         }, {
  67                 /* cio-das08pgx.pdf */
  68                 .name           = "das08-pgm",
  69                 .ai_nbits       = 12,
  70                 .ai_pg          = das08_pgm,
  71                 .ai_encoding    = das08_encode12,
  72                 .di_nchan       = 3,
  73                 .do_nchan       = 4,
  74                 .i8255_offset   = 0,
  75                 .i8254_offset   = 0x04,
  76                 .iosize         = 16,           /* unchecked */
  77         }, {
  78                 /* cio-das08pgx.pdf */
  79                 .name           = "das08-pgh",
  80                 .ai_nbits       = 12,
  81                 .ai_pg          = das08_pgh,
  82                 .ai_encoding    = das08_encode12,
  83                 .di_nchan       = 3,
  84                 .do_nchan       = 4,
  85                 .i8254_offset   = 0x04,
  86                 .iosize         = 16,           /* unchecked */
  87         }, {
  88                 /* cio-das08pgx.pdf */
  89                 .name           = "das08-pgl",
  90                 .ai_nbits       = 12,
  91                 .ai_pg          = das08_pgl,
  92                 .ai_encoding    = das08_encode12,
  93                 .di_nchan       = 3,
  94                 .do_nchan       = 4,
  95                 .i8254_offset   = 0x04,
  96                 .iosize         = 16,           /* unchecked */
  97         }, {
  98                 /* cio-das08_aox.pdf */
  99                 .name           = "das08-aoh",
 100                 .ai_nbits       = 12,
 101                 .ai_pg          = das08_pgh,
 102                 .ai_encoding    = das08_encode12,
 103                 .ao_nbits       = 12,
 104                 .di_nchan       = 3,
 105                 .do_nchan       = 4,
 106                 .i8255_offset   = 0x0c,
 107                 .i8254_offset   = 0x04,
 108                 .iosize         = 16,           /* unchecked */
 109         }, {
 110                 /* cio-das08_aox.pdf */
 111                 .name           = "das08-aol",
 112                 .ai_nbits       = 12,
 113                 .ai_pg          = das08_pgl,
 114                 .ai_encoding    = das08_encode12,
 115                 .ao_nbits       = 12,
 116                 .di_nchan       = 3,
 117                 .do_nchan       = 4,
 118                 .i8255_offset   = 0x0c,
 119                 .i8254_offset   = 0x04,
 120                 .iosize         = 16,           /* unchecked */
 121         }, {
 122                 /* cio-das08_aox.pdf */
 123                 .name           = "das08-aom",
 124                 .ai_nbits       = 12,
 125                 .ai_pg          = das08_pgm,
 126                 .ai_encoding    = das08_encode12,
 127                 .ao_nbits       = 12,
 128                 .di_nchan       = 3,
 129                 .do_nchan       = 4,
 130                 .i8255_offset   = 0x0c,
 131                 .i8254_offset   = 0x04,
 132                 .iosize         = 16,           /* unchecked */
 133         }, {
 134                 /* cio-das08-jr-ao.pdf */
 135                 .name           = "das08/jr-ao",
 136                 .is_jr          = true,
 137                 .ai_nbits       = 12,
 138                 .ai_pg          = das08_pg_none,
 139                 .ai_encoding    = das08_encode12,
 140                 .ao_nbits       = 12,
 141                 .di_nchan       = 8,
 142                 .do_nchan       = 8,
 143                 .iosize         = 16,           /* unchecked */
 144         }, {
 145                 /* cio-das08jr-16-ao.pdf */
 146                 .name           = "das08jr-16-ao",
 147                 .is_jr          = true,
 148                 .ai_nbits       = 16,
 149                 .ai_pg          = das08_pg_none,
 150                 .ai_encoding    = das08_encode16,
 151                 .ao_nbits       = 16,
 152                 .di_nchan       = 8,
 153                 .do_nchan       = 8,
 154                 .i8254_offset   = 0x04,
 155                 .iosize         = 16,           /* unchecked */
 156         }, {
 157                 .name           = "pc104-das08",
 158                 .ai_nbits       = 12,
 159                 .ai_pg          = das08_pg_none,
 160                 .ai_encoding    = das08_encode12,
 161                 .di_nchan       = 3,
 162                 .do_nchan       = 4,
 163                 .i8254_offset   = 4,
 164                 .iosize         = 16,           /* unchecked */
 165         }, {
 166                 .name           = "das08jr/16",
 167                 .is_jr          = true,
 168                 .ai_nbits       = 16,
 169                 .ai_pg          = das08_pg_none,
 170                 .ai_encoding    = das08_encode16,
 171                 .di_nchan       = 8,
 172                 .do_nchan       = 8,
 173                 .iosize         = 16,           /* unchecked */
 174         },
 175 };
 176
 177 static int das08_isa_attach(struct comedi_device *dev,
 178                             struct comedi_devconfig *it)
 179 {
 180         const struct das08_board_struct *thisboard = comedi_board(dev);
 181         struct das08_private_struct *devpriv;
 182
 183         devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
 184         if (!devpriv)
 185                 return -ENOMEM;
 186         dev->private = devpriv;
 187
 188         if (!request_region(it->options[0], thisboard->iosize,
 189                             thisboard->name))
 190                 return -EIO;
 191
 192         return das08_common_attach(dev, it->options[0]);
 193 }
 194
 195 static void das08_isa_detach(struct comedi_device *dev)
 196 {
 197         const struct das08_board_struct *thisboard = comedi_board(dev);
 198
 199         das08_common_detach(dev);
 200         if (dev->iobase)
 201                 release_region(dev->iobase, thisboard->iosize);
 202 }
 203
 204 static struct comedi_driver das08_isa_driver = {
 205         .driver_name    = "isa-das08",
 206         .module         = THIS_MODULE,
 207         .attach         = das08_isa_attach,
 208         .detach         = das08_isa_detach,
 209         .board_name     = &das08_isa_boards[0].name,
 210         .num_names      = ARRAY_SIZE(das08_isa_boards),
 211         .offset         = sizeof(das08_isa_boards[0]),
 212 };
 213 module_comedi_driver(das08_isa_driver);
 214
 215 MODULE_AUTHOR("Comedi http://www.comedi.org");
 216 MODULE_DESCRIPTION("Comedi low-level driver");
 217 MODULE_LICENSE("GPL");