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      1 /*	$NetBSD: umodemvar.h,v 1.12 2019/05/09 02:43:35 mrg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (lennart (at) augustsson.net) at
      9  * Carlstedt Research & Technology.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 struct umodem_softc {
     34 	device_t		sc_dev;		/* base device */
     35 
     36 	struct usbd_device *	sc_udev;	/* USB device */
     37 
     38 	int			sc_ctl_iface_no;
     39 	struct usbd_interface *	sc_ctl_iface;	/* control interface */
     40 	int			sc_data_iface_no;
     41 	struct usbd_interface *	sc_data_iface;	/* data interface */
     42 
     43 	int			sc_cm_cap;	/* CM capabilities */
     44 	int			sc_acm_cap;	/* ACM capabilities */
     45 
     46 	int			sc_cm_over_data;
     47 
     48 	usb_cdc_line_state_t	sc_line_state;	/* current line state */
     49 	u_char			sc_dtr;		/* current DTR state */
     50 	u_char			sc_rts;		/* current RTS state */
     51 
     52 	device_t		sc_subdev;	/* ucom device */
     53 
     54 	bool			sc_dying;	/* disconnecting */
     55 
     56 	int			sc_ctl_notify;	/* Notification endpoint */
     57 	struct usbd_pipe *	sc_notify_pipe; /* Notification pipe */
     58 	usb_cdc_notification_t	sc_notify_buf;	/* Notification structure */
     59 	u_char			sc_lsr;		/* Local status register */
     60 	u_char			sc_msr;		/* Modem status register */
     61 };
     62 
     63 void umodem_common_childdet(struct umodem_softc *, device_t);
     64 int umodem_common_attach(device_t, struct umodem_softc *,
     65 			 struct usbif_attach_arg *, struct ucom_attach_args *);
     66 
     67 int	umodem_get_caps(struct usbd_device *, int *, int *,
     68 			usb_interface_descriptor_t *);
     69 
     70 void	umodem_get_status(void *, int, u_char *, u_char *);
     71 void	umodem_set(void *, int, int, int);
     72 int	umodem_param(void *, int, struct termios *);
     73 int	umodem_ioctl(void *, int, u_long, void *, int, proc_t *);
     74 int	umodem_open(void *, int);
     75 void	umodem_close(void *, int);
     76 int	umodem_common_detach(struct umodem_softc *, int);
     77