// SPDX-License-Identifier: GPL-2.0+
/*
 *  das08_isa.c
 *  comedi driver for DAS08 ISA/PC-104 boards
 *
 *  COMEDI - Linux Control and Measurement Device Interface
 *  Copyright (C) 2000 David A. Schleef <ds@schleef.org>
 *  Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
 *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
 */

/*
 * Driver: das08_isa
 * Description: DAS-08 ISA/PC-104 compatible boards
 * Devices: [Keithley Metrabyte] DAS08 (isa-das08),
 *   [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
 *   DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
 *   DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
 *   DAS08/JR-16-AO (das08jr-16-ao), PC104-DAS08 (pc104-das08),
 *   DAS08/JR/16 (das08jr/16)
 * Author: Warren Jasper, ds, Frank Hess
 * Updated: Fri, 31 Aug 2012 19:19:06 +0100
 * Status: works
 *
 * This is the ISA/PC-104-specific support split off from the das08 driver.
 *
 * Configuration Options:
 *      [0] - base io address
 */

#include <linux/module.h>
#include <linux/comedi/comedidev.h>

#include "das08.h"

static const struct das08_board_struct das08_isa_boards[] = {
        {
                /* cio-das08.pdf */
                .name           = "isa-das08",
                .ai_nbits       = 12,
                .ai_pg          = das08_pg_none,
                .ai_encoding    = das08_encode12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8255_offset   = 8,
                .i8254_offset   = 4,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08pgx.pdf */
                .name           = "das08-pgm",
                .ai_nbits       = 12,
                .ai_pg          = das08_pgm,
                .ai_encoding    = das08_encode12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8255_offset   = 0,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08pgx.pdf */
                .name           = "das08-pgh",
                .ai_nbits       = 12,
                .ai_pg          = das08_pgh,
                .ai_encoding    = das08_encode12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08pgx.pdf */
                .name           = "das08-pgl",
                .ai_nbits       = 12,
                .ai_pg          = das08_pgl,
                .ai_encoding    = das08_encode12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08_aox.pdf */
                .name           = "das08-aoh",
                .ai_nbits       = 12,
                .ai_pg          = das08_pgh,
                .ai_encoding    = das08_encode12,
                .ao_nbits       = 12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8255_offset   = 0x0c,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08_aox.pdf */
                .name           = "das08-aol",
                .ai_nbits       = 12,
                .ai_pg          = das08_pgl,
                .ai_encoding    = das08_encode12,
                .ao_nbits       = 12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8255_offset   = 0x0c,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08_aox.pdf */
                .name           = "das08-aom",
                .ai_nbits       = 12,
                .ai_pg          = das08_pgm,
                .ai_encoding    = das08_encode12,
                .ao_nbits       = 12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8255_offset   = 0x0c,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08-jr-ao.pdf */
                .name           = "das08/jr-ao",
                .is_jr          = true,
                .ai_nbits       = 12,
                .ai_pg          = das08_pg_none,
                .ai_encoding    = das08_encode12,
                .ao_nbits       = 12,
                .di_nchan       = 8,
                .do_nchan       = 8,
                .iosize         = 16,           /* unchecked */
        }, {
                /* cio-das08jr-16-ao.pdf */
                .name           = "das08jr-16-ao",
                .is_jr          = true,
                .ai_nbits       = 16,
                .ai_pg          = das08_pg_none,
                .ai_encoding    = das08_encode16,
                .ao_nbits       = 16,
                .di_nchan       = 8,
                .do_nchan       = 8,
                .i8254_offset   = 0x04,
                .iosize         = 16,           /* unchecked */
        }, {
                .name           = "pc104-das08",
                .ai_nbits       = 12,
                .ai_pg          = das08_pg_none,
                .ai_encoding    = das08_encode12,
                .di_nchan       = 3,
                .do_nchan       = 4,
                .i8254_offset   = 4,
                .iosize         = 16,           /* unchecked */
        }, {
                .name           = "das08jr/16",
                .is_jr          = true,
                .ai_nbits       = 16,
                .ai_pg          = das08_pg_none,
                .ai_encoding    = das08_encode16,
                .di_nchan       = 8,
                .do_nchan       = 8,
                .iosize         = 16,           /* unchecked */
        },
};

static int das08_isa_attach(struct comedi_device *dev,
                            struct comedi_devconfig *it)
{
        const struct das08_board_struct *board = dev->board_ptr;
        struct das08_private_struct *devpriv;
        int ret;

        devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
        if (!devpriv)
                return -ENOMEM;

        ret = comedi_check_request_region(dev, it->options[0], board->iosize,
                                          0, 0x3ff, board->iosize);
        if (ret)
                return ret;

        return das08_common_attach(dev, dev->iobase);
}

static struct comedi_driver das08_isa_driver = {
        .driver_name    = "isa-das08",
        .module         = THIS_MODULE,
        .attach         = das08_isa_attach,
        .detach         = comedi_legacy_detach,
        .board_name     = &das08_isa_boards[0].name,
        .num_names      = ARRAY_SIZE(das08_isa_boards),
        .offset         = sizeof(das08_isa_boards[0]),
};
module_comedi_driver(das08_isa_driver);

MODULE_AUTHOR("Comedi https://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");