e491a67b63
error doing so. It seems an increasing number of phones have this quirk, and we're not keeping up. There appears to be nothing bad that happens for non-quirked phones. Minor cleanups: o prefer device_printf over printf o kill devinfo stuff o minor other preening.
825 lines
22 KiB
C
825 lines
22 KiB
C
/* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 2003, M. Warner Losh <imp@freebsd.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
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* http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
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*/
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/*
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* TODO:
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* - Add error recovery in various places; the big problem is what
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* to do in a callback if there is an error.
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* - Implement a Call Device for modems without multiplexed commands.
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*
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/ioccom.h>
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#include <sys/conf.h>
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#include <sys/serial.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/select.h>
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#include <sys/sysctl.h>
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#include <sys/proc.h>
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#include <sys/bus.h>
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#include <sys/poll.h>
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#include <sys/uio.h>
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#include <sys/taskqueue.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbcdc.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/ucomvar.h>
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#include "usbdevs.h"
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#ifdef USB_DEBUG
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int umodemdebug = 0;
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SYSCTL_NODE(_hw_usb, OID_AUTO, umodem, CTLFLAG_RW, 0, "USB umodem");
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SYSCTL_INT(_hw_usb_umodem, OID_AUTO, debug, CTLFLAG_RW,
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&umodemdebug, 0, "umodem debug level");
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#define DPRINTFN(n, x) if (umodemdebug > (n)) logprintf x
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#else
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#define DPRINTFN(n, x)
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#endif
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#define DPRINTF(x) DPRINTFN(0, x)
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static const struct umodem_product {
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u_int16_t vendor;
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u_int16_t product;
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u_int8_t interface;
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} umodem_products[] = {
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/* Kyocera AH-K3001V*/
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{ USB_VENDOR_KYOCERA, USB_PRODUCT_KYOCERA_AHK3001V, 0 },
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{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720, 0 },
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{ USB_VENDOR_CURITEL, USB_PRODUCT_CURITEL_PC5740, 0 },
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{ 0, 0, 0 },
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};
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/*
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* These are the maximum number of bytes transferred per frame.
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* If some really high speed devices should use this driver they
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* may need to be increased, but this is good enough for normal modems.
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*/
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#define UMODEMIBUFSIZE 64
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#define UMODEMOBUFSIZE 256
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#define UMODEM_MODVER 1 /* module version */
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struct umodem_softc {
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struct ucom_softc sc_ucom;
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device_t sc_dev; /* base device */
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usbd_device_handle sc_udev; /* USB device */
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int sc_ctl_iface_no;
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usbd_interface_handle sc_ctl_iface; /* control interface */
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int sc_data_iface_no;
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usbd_interface_handle sc_data_iface; /* data interface */
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int sc_cm_cap; /* CM capabilities */
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int sc_acm_cap; /* ACM capabilities */
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int sc_cm_over_data;
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usb_cdc_line_state_t sc_line_state; /* current line state */
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u_char sc_dtr; /* current DTR state */
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u_char sc_rts; /* current RTS state */
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u_char sc_opening; /* lock during open */
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int sc_ctl_notify; /* Notification endpoint */
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usbd_pipe_handle sc_notify_pipe; /* Notification pipe */
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usb_cdc_notification_t sc_notify_buf; /* Notification structure */
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u_char sc_lsr; /* Local status register */
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u_char sc_msr; /* Modem status register */
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struct task sc_task;
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};
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static void *umodem_get_desc(usbd_device_handle dev, int type, int subtype);
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static usbd_status umodem_set_comm_feature(struct umodem_softc *sc,
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int feature, int state);
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static usbd_status umodem_set_line_coding(struct umodem_softc *sc,
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usb_cdc_line_state_t *state);
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static void umodem_get_caps(usbd_device_handle, int *, int *);
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static void umodem_get_status(void *, int portno, u_char *lsr, u_char *msr);
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static void umodem_set(void *, int, int, int);
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static void umodem_dtr(struct umodem_softc *, int);
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static void umodem_rts(struct umodem_softc *, int);
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static void umodem_break(struct umodem_softc *, int);
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static void umodem_set_line_state(struct umodem_softc *);
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static int umodem_param(void *, int, struct termios *);
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static int umodem_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr );
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static int umodem_open(void *, int portno);
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static void umodem_close(void *, int portno);
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static void umodem_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
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static void umodem_notify(void *, int);
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static struct ucom_callback umodem_callback = {
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umodem_get_status,
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umodem_set,
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umodem_param,
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umodem_ioctl,
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umodem_open,
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umodem_close,
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NULL,
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NULL,
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};
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static device_probe_t umodem_match;
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static device_attach_t umodem_attach;
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static device_detach_t umodem_detach;
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static device_method_t umodem_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, umodem_match),
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DEVMETHOD(device_attach, umodem_attach),
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DEVMETHOD(device_detach, umodem_detach),
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{ 0, 0 }
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};
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static driver_t umodem_driver = {
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"ucom",
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umodem_methods,
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sizeof (struct umodem_softc)
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};
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DRIVER_MODULE(umodem, uhub, umodem_driver, ucom_devclass, usbd_driver_load, 0);
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MODULE_DEPEND(umodem, usb, 1, 1, 1);
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MODULE_DEPEND(umodem, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
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MODULE_VERSION(umodem, UMODEM_MODVER);
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USB_MATCH(umodem)
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{
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USB_MATCH_START(umodem, uaa);
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usb_interface_descriptor_t *id;
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usb_device_descriptor_t *dd;
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int cm, acm, i, ret;
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if (uaa->iface == NULL)
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return (UMATCH_NONE);
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id = usbd_get_interface_descriptor(uaa->iface);
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dd = usbd_get_device_descriptor(uaa->device);
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if (id == NULL || dd == NULL)
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return (UMATCH_NONE);
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ret = UMATCH_NONE;
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for (i = 0; umodem_products[i].vendor != 0; i++) {
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if (umodem_products[i].vendor == UGETW(dd->idVendor) &&
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umodem_products[i].product == UGETW(dd->idProduct) &&
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umodem_products[i].interface == id->bInterfaceNumber) {
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ret = UMATCH_VENDOR_PRODUCT;
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break;
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}
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}
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if (ret == UMATCH_NONE &&
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id->bInterfaceClass == UICLASS_CDC &&
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id->bInterfaceSubClass == UISUBCLASS_ABSTRACT_CONTROL_MODEL &&
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id->bInterfaceProtocol == UIPROTO_CDC_AT)
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ret = UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO;
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if (ret == UMATCH_NONE)
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return (ret);
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umodem_get_caps(uaa->device, &cm, &acm);
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if (!(cm & USB_CDC_CM_DOES_CM) ||
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!(cm & USB_CDC_CM_OVER_DATA) ||
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!(acm & USB_CDC_ACM_HAS_LINE))
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return (UMATCH_NONE);
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return ret;
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}
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USB_ATTACH(umodem)
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{
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USB_ATTACH_START(umodem, sc, uaa);
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usbd_device_handle dev = uaa->device;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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usb_cdc_cm_descriptor_t *cmd;
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int data_ifcno;
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int i;
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struct ucom_softc *ucom;
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id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
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device_printf(self, "iclass %d/%d", id->bInterfaceClass,
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id->bInterfaceSubClass);
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ucom = &sc->sc_ucom;
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ucom->sc_dev = self;
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sc->sc_dev = self;
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ucom->sc_udev = dev;
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ucom->sc_iface = uaa->iface;
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sc->sc_udev = dev;
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sc->sc_ctl_iface = uaa->iface;
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sc->sc_ctl_iface_no = id->bInterfaceNumber;
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umodem_get_caps(dev, &sc->sc_cm_cap, &sc->sc_acm_cap);
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/* Get the data interface no. */
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cmd = umodem_get_desc(dev, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
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if (cmd == NULL) {
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device_printf(sc->sc_dev, "no CM descriptor\n");
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goto bad;
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}
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sc->sc_data_iface_no = data_ifcno = cmd->bDataInterface;
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device_printf(sc->sc_dev,
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"data interface %d, has %sCM over data, has %sbreak\n",
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data_ifcno, sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
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sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
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/* Get the data interface too. */
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for (i = 0; i < uaa->nifaces; i++) {
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if (uaa->ifaces[i] != NULL) {
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id = usbd_get_interface_descriptor(uaa->ifaces[i]);
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if (id != NULL && id->bInterfaceNumber == data_ifcno) {
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sc->sc_data_iface = uaa->ifaces[i];
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uaa->ifaces[i] = NULL;
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}
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}
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}
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if (sc->sc_data_iface == NULL) {
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device_printf(sc->sc_dev, "no data interface\n");
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goto bad;
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}
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ucom->sc_iface = sc->sc_data_iface;
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/*
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* Find the bulk endpoints.
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* Iterate over all endpoints in the data interface and take note.
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*/
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ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
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id = usbd_get_interface_descriptor(sc->sc_data_iface);
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(sc->sc_data_iface, i);
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if (ed == NULL) {
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device_printf(sc->sc_dev,
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"no endpoint descriptor for %d\n", i);
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goto bad;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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ucom->sc_bulkin_no = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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ucom->sc_bulkout_no = ed->bEndpointAddress;
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}
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}
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if (ucom->sc_bulkin_no == -1) {
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device_printf(sc->sc_dev, "Could not find data bulk in\n");
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goto bad;
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}
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if (ucom->sc_bulkout_no == -1) {
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device_printf(sc->sc_dev, "Could not find data bulk out\n");
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goto bad;
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}
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if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_ASSUME_CM_OVER_DATA) {
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DPRINTF(("Quirk says to assume CM over data\n"));
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sc->sc_cm_over_data = 1;
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} else {
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if (sc->sc_cm_cap & USB_CDC_CM_OVER_DATA) {
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if (sc->sc_acm_cap & USB_CDC_ACM_HAS_FEATURE)
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umodem_set_comm_feature(sc,
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UCDC_ABSTRACT_STATE, UCDC_DATA_MULTIPLEXED);
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sc->sc_cm_over_data = 1;
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}
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}
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/*
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* The standard allows for notification messages (to indicate things
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* like a modem hangup) to come in via an interrupt endpoint
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* off of the control interface. Iterate over the endpoints on
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* the control interface and see if there are any interrupt
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* endpoints; if there are, then register it.
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*/
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sc->sc_ctl_notify = -1;
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sc->sc_notify_pipe = NULL;
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
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if (ed == NULL)
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continue;
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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(ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
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device_printf(sc->sc_dev,
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"status change notification available\n");
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sc->sc_ctl_notify = ed->bEndpointAddress;
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}
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}
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sc->sc_dtr = -1;
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ucom->sc_parent = sc;
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ucom->sc_portno = UCOM_UNK_PORTNO;
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/* bulkin, bulkout set above */
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ucom->sc_ibufsize = UMODEMIBUFSIZE;
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ucom->sc_obufsize = UMODEMOBUFSIZE;
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ucom->sc_ibufsizepad = UMODEMIBUFSIZE;
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ucom->sc_opkthdrlen = 0;
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ucom->sc_callback = &umodem_callback;
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TASK_INIT(&sc->sc_task, 0, umodem_notify, sc);
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ucom_attach(&sc->sc_ucom);
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USB_ATTACH_SUCCESS_RETURN;
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bad:
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ucom->sc_dying = 1;
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USB_ATTACH_ERROR_RETURN;
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}
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static int
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umodem_open(void *addr, int portno)
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{
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struct umodem_softc *sc = addr;
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int err;
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DPRINTF(("umodem_open: sc=%p\n", sc));
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if (sc->sc_ctl_notify != -1 && sc->sc_notify_pipe == NULL) {
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err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_ctl_notify,
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USBD_SHORT_XFER_OK, &sc->sc_notify_pipe, sc,
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&sc->sc_notify_buf, sizeof(sc->sc_notify_buf),
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umodem_intr, USBD_DEFAULT_INTERVAL);
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if (err) {
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DPRINTF(("Failed to establish notify pipe: %s\n",
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usbd_errstr(err)));
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return EIO;
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}
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}
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return 0;
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}
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static void
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umodem_close(void *addr, int portno)
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{
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struct umodem_softc *sc = addr;
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int err;
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DPRINTF(("umodem_close: sc=%p\n", sc));
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if (sc->sc_notify_pipe != NULL) {
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err = usbd_abort_pipe(sc->sc_notify_pipe);
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if (err)
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device_printf(sc->sc_dev,
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"abort notify pipe failed: %s\n",
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usbd_errstr(err));
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err = usbd_close_pipe(sc->sc_notify_pipe);
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if (err)
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device_printf(sc->sc_dev,
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"close notify pipe failed: %s\n",
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usbd_errstr(err));
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sc->sc_notify_pipe = NULL;
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}
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}
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static void
|
|
umodem_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
|
|
{
|
|
struct umodem_softc *sc = priv;
|
|
u_char mstatus;
|
|
|
|
if (sc->sc_ucom.sc_dying)
|
|
return;
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
|
|
return;
|
|
device_printf(sc->sc_dev, "abnormal status: %s\n",
|
|
usbd_errstr(status));
|
|
return;
|
|
}
|
|
|
|
if (sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION) {
|
|
DPRINTF(("%s: unknown message type (%02x) on notify pipe\n",
|
|
device_get_nameunit(sc->sc_dev),
|
|
sc->sc_notify_buf.bmRequestType));
|
|
return;
|
|
}
|
|
|
|
switch (sc->sc_notify_buf.bNotification) {
|
|
case UCDC_N_SERIAL_STATE:
|
|
/*
|
|
* Set the serial state in ucom driver based on
|
|
* the bits from the notify message
|
|
*/
|
|
if (UGETW(sc->sc_notify_buf.wLength) != 2) {
|
|
device_printf(sc->sc_dev,
|
|
"Invalid notification length! (%d)\n",
|
|
UGETW(sc->sc_notify_buf.wLength));
|
|
break;
|
|
}
|
|
DPRINTF(("%s: notify bytes = %02x%02x\n",
|
|
device_get_nameunit(sc->sc_dev),
|
|
sc->sc_notify_buf.data[0],
|
|
sc->sc_notify_buf.data[1]));
|
|
/* Currently, lsr is always zero. */
|
|
sc->sc_lsr = sc->sc_msr = 0;
|
|
mstatus = sc->sc_notify_buf.data[0];
|
|
|
|
if (ISSET(mstatus, UCDC_N_SERIAL_RI))
|
|
sc->sc_msr |= SER_RI;
|
|
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
|
|
sc->sc_msr |= SER_DSR;
|
|
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
|
|
sc->sc_msr |= SER_DCD;
|
|
/* Deferred notifying to the ucom layer */
|
|
taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task);
|
|
break;
|
|
default:
|
|
DPRINTF(("%s: unknown notify message: %02x\n",
|
|
device_get_nameunit(sc->sc_dev),
|
|
sc->sc_notify_buf.bNotification));
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
umodem_notify(void *arg, int count)
|
|
{
|
|
struct umodem_softc *sc;
|
|
|
|
sc = (struct umodem_softc *)arg;
|
|
if (sc->sc_ucom.sc_dying)
|
|
return;
|
|
ucom_status_change(&sc->sc_ucom);
|
|
}
|
|
|
|
void
|
|
umodem_get_caps(usbd_device_handle dev, int *cm, int *acm)
|
|
{
|
|
usb_cdc_cm_descriptor_t *cmd;
|
|
usb_cdc_acm_descriptor_t *cad;
|
|
|
|
*cm = *acm = 0;
|
|
|
|
cmd = umodem_get_desc(dev, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
|
|
if (cmd == NULL) {
|
|
DPRINTF(("umodem_get_desc: no CM desc\n"));
|
|
return;
|
|
}
|
|
*cm = cmd->bmCapabilities;
|
|
|
|
cad = umodem_get_desc(dev, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
|
|
if (cad == NULL) {
|
|
DPRINTF(("umodem_get_desc: no ACM desc\n"));
|
|
return;
|
|
}
|
|
*acm = cad->bmCapabilities;
|
|
}
|
|
|
|
void
|
|
umodem_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
|
|
{
|
|
struct umodem_softc *sc = addr;
|
|
|
|
DPRINTF(("umodem_get_status:\n"));
|
|
|
|
if (lsr != NULL)
|
|
*lsr = sc->sc_lsr;
|
|
if (msr != NULL)
|
|
*msr = sc->sc_msr;
|
|
}
|
|
|
|
int
|
|
umodem_param(void *addr, int portno, struct termios *t)
|
|
{
|
|
struct umodem_softc *sc = addr;
|
|
usbd_status err;
|
|
usb_cdc_line_state_t ls;
|
|
|
|
DPRINTF(("umodem_param: sc=%p\n", sc));
|
|
|
|
USETDW(ls.dwDTERate, t->c_ospeed);
|
|
if (ISSET(t->c_cflag, CSTOPB))
|
|
ls.bCharFormat = UCDC_STOP_BIT_2;
|
|
else
|
|
ls.bCharFormat = UCDC_STOP_BIT_1;
|
|
if (ISSET(t->c_cflag, PARENB)) {
|
|
if (ISSET(t->c_cflag, PARODD))
|
|
ls.bParityType = UCDC_PARITY_ODD;
|
|
else
|
|
ls.bParityType = UCDC_PARITY_EVEN;
|
|
} else
|
|
ls.bParityType = UCDC_PARITY_NONE;
|
|
switch (ISSET(t->c_cflag, CSIZE)) {
|
|
case CS5:
|
|
ls.bDataBits = 5;
|
|
break;
|
|
case CS6:
|
|
ls.bDataBits = 6;
|
|
break;
|
|
case CS7:
|
|
ls.bDataBits = 7;
|
|
break;
|
|
case CS8:
|
|
ls.bDataBits = 8;
|
|
break;
|
|
}
|
|
|
|
err = umodem_set_line_coding(sc, &ls);
|
|
if (err) {
|
|
DPRINTF(("umodem_param: err=%s\n", usbd_errstr(err)));
|
|
return (ENOTTY);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
umodem_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
|
|
usb_proc_ptr p)
|
|
{
|
|
struct umodem_softc *sc = addr;
|
|
int error = 0;
|
|
|
|
if (sc->sc_ucom.sc_dying)
|
|
return (EIO);
|
|
|
|
DPRINTF(("umodemioctl: cmd=0x%08lx\n", cmd));
|
|
|
|
switch (cmd) {
|
|
case USB_GET_CM_OVER_DATA:
|
|
*(int *)data = sc->sc_cm_over_data;
|
|
break;
|
|
|
|
case USB_SET_CM_OVER_DATA:
|
|
if (*(int *)data != sc->sc_cm_over_data) {
|
|
/* XXX change it */
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DPRINTF(("umodemioctl: unknown\n"));
|
|
error = ENOTTY;
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
void
|
|
umodem_dtr(struct umodem_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("umodem_modem: onoff=%d\n", onoff));
|
|
|
|
if (sc->sc_dtr == onoff)
|
|
return;
|
|
sc->sc_dtr = onoff;
|
|
|
|
umodem_set_line_state(sc);
|
|
}
|
|
|
|
void
|
|
umodem_rts(struct umodem_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("umodem_modem: onoff=%d\n", onoff));
|
|
|
|
if (sc->sc_rts == onoff)
|
|
return;
|
|
sc->sc_rts = onoff;
|
|
|
|
umodem_set_line_state(sc);
|
|
}
|
|
|
|
void
|
|
umodem_set_line_state(struct umodem_softc *sc)
|
|
{
|
|
usb_device_request_t req;
|
|
int ls;
|
|
|
|
ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
|
|
(sc->sc_rts ? UCDC_LINE_RTS : 0);
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
|
|
USETW(req.wValue, ls);
|
|
USETW(req.wIndex, sc->sc_ctl_iface_no);
|
|
USETW(req.wLength, 0);
|
|
|
|
(void)usbd_do_request(sc->sc_udev, &req, 0);
|
|
|
|
}
|
|
|
|
void
|
|
umodem_break(struct umodem_softc *sc, int onoff)
|
|
{
|
|
usb_device_request_t req;
|
|
|
|
DPRINTF(("umodem_break: onoff=%d\n", onoff));
|
|
|
|
if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK))
|
|
return;
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SEND_BREAK;
|
|
USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
|
|
USETW(req.wIndex, sc->sc_ctl_iface_no);
|
|
USETW(req.wLength, 0);
|
|
|
|
(void)usbd_do_request(sc->sc_udev, &req, 0);
|
|
}
|
|
|
|
void
|
|
umodem_set(void *addr, int portno, int reg, int onoff)
|
|
{
|
|
struct umodem_softc *sc = addr;
|
|
|
|
switch (reg) {
|
|
case UCOM_SET_DTR:
|
|
umodem_dtr(sc, onoff);
|
|
break;
|
|
case UCOM_SET_RTS:
|
|
umodem_rts(sc, onoff);
|
|
break;
|
|
case UCOM_SET_BREAK:
|
|
umodem_break(sc, onoff);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
usbd_status
|
|
umodem_set_line_coding(struct umodem_softc *sc, usb_cdc_line_state_t *state)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
DPRINTF(("umodem_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
|
|
UGETDW(state->dwDTERate), state->bCharFormat,
|
|
state->bParityType, state->bDataBits));
|
|
|
|
if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
|
|
DPRINTF(("umodem_set_line_coding: already set\n"));
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SET_LINE_CODING;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, sc->sc_ctl_iface_no);
|
|
USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
|
|
|
|
err = usbd_do_request(sc->sc_udev, &req, state);
|
|
if (err) {
|
|
DPRINTF(("umodem_set_line_coding: failed, err=%s\n",
|
|
usbd_errstr(err)));
|
|
return (err);
|
|
}
|
|
|
|
sc->sc_line_state = *state;
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
void *
|
|
umodem_get_desc(usbd_device_handle dev, int type, int subtype)
|
|
{
|
|
usb_descriptor_t *desc;
|
|
usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
|
|
uByte *p = (uByte *)cd;
|
|
uByte *end = p + UGETW(cd->wTotalLength);
|
|
|
|
while (p < end) {
|
|
desc = (usb_descriptor_t *)p;
|
|
if (desc->bDescriptorType == type &&
|
|
desc->bDescriptorSubtype == subtype)
|
|
return (desc);
|
|
p += desc->bLength;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
usbd_status
|
|
umodem_set_comm_feature(struct umodem_softc *sc, int feature, int state)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
usb_cdc_abstract_state_t ast;
|
|
|
|
DPRINTF(("umodem_set_comm_feature: feature=%d state=%d\n", feature,
|
|
state));
|
|
|
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
req.bRequest = UCDC_SET_COMM_FEATURE;
|
|
USETW(req.wValue, feature);
|
|
USETW(req.wIndex, sc->sc_ctl_iface_no);
|
|
USETW(req.wLength, UCDC_ABSTRACT_STATE_LENGTH);
|
|
USETW(ast.wState, state);
|
|
|
|
err = usbd_do_request(sc->sc_udev, &req, &ast);
|
|
if (err) {
|
|
DPRINTF(("umodem_set_comm_feature: feature=%d, err=%s\n",
|
|
feature, usbd_errstr(err)));
|
|
return (err);
|
|
}
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
USB_DETACH(umodem)
|
|
{
|
|
USB_DETACH_START(umodem, sc);
|
|
int rv = 0;
|
|
|
|
DPRINTF(("umodem_detach: sc=%p\n", sc));
|
|
|
|
if (sc->sc_notify_pipe != NULL) {
|
|
usbd_abort_pipe(sc->sc_notify_pipe);
|
|
usbd_close_pipe(sc->sc_notify_pipe);
|
|
sc->sc_notify_pipe = NULL;
|
|
}
|
|
|
|
sc->sc_ucom.sc_dying = 1;
|
|
rv = ucom_detach(&sc->sc_ucom);
|
|
|
|
return (rv);
|
|
}
|