/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * comedi/drivers/amplc_dio.h
 *
 * Header for amplc_dio200.c, amplc_dio200_common.c and
 * amplc_dio200_pci.c.
 *
 * Copyright (C) 2005-2013 MEV Ltd. <https://www.mev.co.uk/>
 *
 * COMEDI - Linux Control and Measurement Device Interface
 * Copyright (C) 1998,2000 David A. Schleef <ds@schleef.org>
 */

#ifndef AMPLC_DIO200_H_INCLUDED
#define AMPLC_DIO200_H_INCLUDED

#include <linux/types.h>

struct comedi_device;

/*
 * Subdevice types.
 */
enum dio200_sdtype { sd_none, sd_intr, sd_8255, sd_8254, sd_timer };

#define DIO200_MAX_SUBDEVS      8
#define DIO200_MAX_ISNS         6

struct dio200_board {
        const char *name;
        unsigned char mainbar;
        unsigned short n_subdevs;       /* number of subdevices */
        unsigned char sdtype[DIO200_MAX_SUBDEVS];       /* enum dio200_sdtype */
        unsigned char sdinfo[DIO200_MAX_SUBDEVS];       /* depends on sdtype */
        unsigned int has_int_sce:1;     /* has interrupt enable/status reg */
        unsigned int has_clk_gat_sce:1; /* has clock/gate selection registers */
        unsigned int is_pcie:1;                 /* has enhanced features */
};

int amplc_dio200_common_attach(struct comedi_device *dev, unsigned int irq,
                               unsigned long req_irq_flags);

/* Used by initialization of PCIe boards. */
void amplc_dio200_set_enhance(struct comedi_device *dev, unsigned char val);

#endif