1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * comedi/drivers/amplc_dio.h
4 *
5 * Header for amplc_dio200.c, amplc_dio200_common.c and
6 * amplc_dio200_pci.c.
7 *
8 * Copyright (C) 2005-2013 MEV Ltd. <https://www.mev.co.uk/>
9 *
10 * COMEDI - Linux Control and Measurement Device Interface
11 * Copyright (C) 1998,2000 David A. Schleef <ds@schleef.org>
12 */
13
14#ifndef AMPLC_DIO200_H_INCLUDED
15#define AMPLC_DIO200_H_INCLUDED
16
17#include <linux/types.h>
18
19struct comedi_device;
20
21/*
22 * Subdevice types.
23 */
24enum dio200_sdtype { sd_none, sd_intr, sd_8255, sd_8254, sd_timer };
25
26#define DIO200_MAX_SUBDEVS	8
27#define DIO200_MAX_ISNS		6
28
29struct dio200_board {
30	const char *name;
31	unsigned char mainbar;
32	unsigned short n_subdevs;	/* number of subdevices */
33	unsigned char sdtype[DIO200_MAX_SUBDEVS];	/* enum dio200_sdtype */
34	unsigned char sdinfo[DIO200_MAX_SUBDEVS];	/* depends on sdtype */
35	unsigned int has_int_sce:1;	/* has interrupt enable/status reg */
36	unsigned int has_clk_gat_sce:1;	/* has clock/gate selection registers */
37	unsigned int is_pcie:1;			/* has enhanced features */
38};
39
40int amplc_dio200_common_attach(struct comedi_device *dev, unsigned int irq,
41			       unsigned long req_irq_flags);
42
43/* Used by initialization of PCIe boards. */
44void amplc_dio200_set_enhance(struct comedi_device *dev, unsigned char val);
45
46#endif
47