LXR linux/drivers/staging/comedi/drivers/amplc

   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