LXR linux/drivers/comedi/drivers/das08

   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
  36static 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
 159static 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
 177static 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};
 186module_comedi_driver(das08_isa_driver);
 187
 188MODULE_AUTHOR("Comedi https://www.comedi.org");
 189MODULE_DESCRIPTION("Comedi low-level driver");
 190MODULE_LICENSE("GPL");
 191