drivers/staging/comedi/drivers/das08_isa.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  *  das08_isa.c
   4  *  comedi driver for DAS08 ISA/PC-104 boards
   5  *
   6  *  COMEDI - Linux Control and Measurement Device Interface
   7  *  Copyright (C) 2000 David A. Schleef <ds@schleef.org>
   8  *  Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
   9  *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
  10  */
  11
  12 /*
  13  * Driver: das08_isa
  14  * Description: DAS-08 ISA/PC-104 compatible boards
  15  * Devices: [Keithley Metrabyte] DAS08 (isa-das08),
  16  *   [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
  17  *   DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
  18  *   DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
  19  *   DAS08/JR-16-AO (das08jr-16-ao), PC104-DAS08 (pc104-das08),
  20  *   DAS08/JR/16 (das08jr/16)
  21  * Author: Warren Jasper, ds, Frank Hess
  22  * Updated: Fri, 31 Aug 2012 19:19:06 +0100
  23  * Status: works
  24  *
  25  * This is the ISA/PC-104-specific support split off from the das08 driver.
  26  *
  27  * Configuration Options:
  28  *      [0] - base io address
  29  */
  30
  31 #include <linux/module.h>
  32 #include "../comedidev.h"
  33
  34 #include "das08.h"
  35
  36 static const struct das08_board_struct das08_isa_boards[] = {
  37         {
  38                 /* cio-das08.pdf */
  39                 .name           = "isa-das08",
  40                 .ai_nbits       = 12,
  41                 .ai_pg          = das08_pg_none,
  42                 .ai_encoding    = das08_encode12,
  43                 .di_nchan       = 3,
  44                 .do_nchan       = 4,
  45                 .i8255_offset   = 8,
  46                 .i8254_offset   = 4,
  47                 .iosize         = 16,           /* unchecked */
  48         }, {
  49                 /* cio-das08pgx.pdf */
  50                 .name           = "das08-pgm",
  51                 .ai_nbits       = 12,
  52                 .ai_pg          = das08_pgm,
  53                 .ai_encoding    = das08_encode12,
  54                 .di_nchan       = 3,
  55                 .do_nchan       = 4,
  56                 .i8255_offset   = 0,
  57                 .i8254_offset   = 0x04,
  58                 .iosize         = 16,           /* unchecked */
  59         }, {
  60                 /* cio-das08pgx.pdf */
  61                 .name           = "das08-pgh",
  62                 .ai_nbits       = 12,
  63                 .ai_pg          = das08_pgh,
  64                 .ai_encoding    = das08_encode12,
  65                 .di_nchan       = 3,
  66                 .do_nchan       = 4,
  67                 .i8254_offset   = 0x04,
  68                 .iosize         = 16,           /* unchecked */
  69         }, {
  70                 /* cio-das08pgx.pdf */
  71                 .name           = "das08-pgl",
  72                 .ai_nbits       = 12,
  73                 .ai_pg          = das08_pgl,
  74                 .ai_encoding    = das08_encode12,
  75                 .di_nchan       = 3,
  76                 .do_nchan       = 4,
  77                 .i8254_offset   = 0x04,
  78                 .iosize         = 16,           /* unchecked */
  79         }, {
  80                 /* cio-das08_aox.pdf */
  81                 .name           = "das08-aoh",
  82                 .ai_nbits       = 12,
  83                 .ai_pg          = das08_pgh,
  84                 .ai_encoding    = das08_encode12,
  85                 .ao_nbits       = 12,
  86                 .di_nchan       = 3,
  87                 .do_nchan       = 4,
  88                 .i8255_offset   = 0x0c,
  89                 .i8254_offset   = 0x04,
  90                 .iosize         = 16,           /* unchecked */
  91         }, {
  92                 /* cio-das08_aox.pdf */
  93                 .name           = "das08-aol",
  94                 .ai_nbits       = 12,
  95                 .ai_pg          = das08_pgl,
  96                 .ai_encoding    = das08_encode12,
  97                 .ao_nbits       = 12,
  98                 .di_nchan       = 3,
  99                 .do_nchan       = 4,
 100                 .i8255_offset   = 0x0c,
 101                 .i8254_offset   = 0x04,
 102                 .iosize         = 16,           /* unchecked */
 103         }, {
 104                 /* cio-das08_aox.pdf */
 105                 .name           = "das08-aom",
 106                 .ai_nbits       = 12,
 107                 .ai_pg          = das08_pgm,
 108                 .ai_encoding    = das08_encode12,
 109                 .ao_nbits       = 12,
 110                 .di_nchan       = 3,
 111                 .do_nchan       = 4,
 112                 .i8255_offset   = 0x0c,
 113                 .i8254_offset   = 0x04,
 114                 .iosize         = 16,           /* unchecked */
 115         }, {
 116                 /* cio-das08-jr-ao.pdf */
 117                 .name           = "das08/jr-ao",
 118                 .is_jr          = true,
 119                 .ai_nbits       = 12,
 120                 .ai_pg          = das08_pg_none,
 121                 .ai_encoding    = das08_encode12,
 122                 .ao_nbits       = 12,
 123                 .di_nchan       = 8,
 124                 .do_nchan       = 8,
 125                 .iosize         = 16,           /* unchecked */
 126         }, {
 127                 /* cio-das08jr-16-ao.pdf */
 128                 .name           = "das08jr-16-ao",
 129                 .is_jr          = true,
 130                 .ai_nbits       = 16,
 131                 .ai_pg          = das08_pg_none,
 132                 .ai_encoding    = das08_encode16,
 133                 .ao_nbits       = 16,
 134                 .di_nchan       = 8,
 135                 .do_nchan       = 8,
 136                 .i8254_offset   = 0x04,
 137                 .iosize         = 16,           /* unchecked */
 138         }, {
 139                 .name           = "pc104-das08",
 140                 .ai_nbits       = 12,
 141                 .ai_pg          = das08_pg_none,
 142                 .ai_encoding    = das08_encode12,
 143                 .di_nchan       = 3,
 144                 .do_nchan       = 4,
 145                 .i8254_offset   = 4,
 146                 .iosize         = 16,           /* unchecked */
 147         }, {
 148                 .name           = "das08jr/16",
 149                 .is_jr          = true,
 150                 .ai_nbits       = 16,
 151                 .ai_pg          = das08_pg_none,
 152                 .ai_encoding    = das08_encode16,
 153                 .di_nchan       = 8,
 154                 .do_nchan       = 8,
 155                 .iosize         = 16,           /* unchecked */
 156         },
 157 };
 158
 159 static int das08_isa_attach(struct comedi_device *dev,
 160                             struct comedi_devconfig *it)
 161 {
 162         const struct das08_board_struct *board = dev->board_ptr;
 163         struct das08_private_struct *devpriv;
 164         int ret;
 165
 166         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
 167         if (!devpriv)
 168                 return -ENOMEM;
 169
 170         ret = comedi_request_region(dev, it->options[0], board->iosize);
 171         if (ret)
 172                 return ret;
 173
 174         return das08_common_attach(dev, dev->iobase);
 175 }
 176
 177 static struct comedi_driver das08_isa_driver = {
 178         .driver_name    = "isa-das08",
 179         .module         = THIS_MODULE,
 180         .attach         = das08_isa_attach,
 181         .detach         = comedi_legacy_detach,
 182         .board_name     = &das08_isa_boards[0].name,
 183         .num_names      = ARRAY_SIZE(das08_isa_boards),
 184         .offset         = sizeof(das08_isa_boards[0]),
 185 };
 186 module_comedi_driver(das08_isa_driver);
 187
 188 MODULE_AUTHOR("Comedi http://www.comedi.org");
 189 MODULE_DESCRIPTION("Comedi low-level driver");
 190 MODULE_LICENSE("GPL");