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. <http://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
19 struct comedi_device;
20
21 /*
22 * Subdevice types.
23 */
24 enum 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
29 struct 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
40 int 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. */
44 void amplc_dio200_set_enhance(struct comedi_device *dev, unsigned char val);
45
46 #endif