/*      $NetBSD: umodemvar.h,v 1.12 2019/05/09 02:43:35 mrg Exp $       */

/*
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Lennart Augustsson (lennart@augustsson.net) at
 * Carlstedt Research & Technology.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

struct umodem_softc {
        device_t                sc_dev;         /* base device */

        struct usbd_device *    sc_udev;        /* USB device */

        int                     sc_ctl_iface_no;
        struct usbd_interface * sc_ctl_iface;   /* control interface */
        int                     sc_data_iface_no;
        struct usbd_interface * sc_data_iface;  /* data interface */

        int                     sc_cm_cap;      /* CM capabilities */
        int                     sc_acm_cap;     /* ACM capabilities */

        int                     sc_cm_over_data;

        usb_cdc_line_state_t    sc_line_state;  /* current line state */
        u_char                  sc_dtr;         /* current DTR state */
        u_char                  sc_rts;         /* current RTS state */

        device_t                sc_subdev;      /* ucom device */

        bool                    sc_dying;       /* disconnecting */

        int                     sc_ctl_notify;  /* Notification endpoint */
        struct usbd_pipe *      sc_notify_pipe; /* Notification pipe */
        usb_cdc_notification_t  sc_notify_buf;  /* Notification structure */
        u_char                  sc_lsr;         /* Local status register */
        u_char                  sc_msr;         /* Modem status register */
};

void umodem_common_childdet(struct umodem_softc *, device_t);
int umodem_common_attach(device_t, struct umodem_softc *,
                         struct usbif_attach_arg *, struct ucom_attach_args *);

int     umodem_get_caps(struct usbd_device *, int *, int *,
                        usb_interface_descriptor_t *);

void    umodem_get_status(void *, int, u_char *, u_char *);
void    umodem_set(void *, int, int, int);
int     umodem_param(void *, int, struct termios *);
int     umodem_ioctl(void *, int, u_long, void *, int, proc_t *);
int     umodem_open(void *, int);
void    umodem_close(void *, int);
int     umodem_common_detach(struct umodem_softc *, int);