107 lines
4.2 KiB
C
107 lines
4.2 KiB
C
/* $NetBSD: ucomvar.h,v 1.20 2011/12/19 19:34:52 jakllsch Exp $ */
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/*
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* Copyright (c) 1999 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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*
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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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/* just for ucom_attach_args, not in the config namespace */
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#define UCOM_UNK_PORTNO (-1)
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struct ucom_softc;
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struct ucom_methods {
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void (*ucom_get_status)(void *sc, int portno, u_char *lsr, u_char *msr);
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void (*ucom_set)(void *sc, int portno, int reg, int onoff);
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#define UCOM_SET_DTR 1
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#define UCOM_SET_RTS 2
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#define UCOM_SET_BREAK 3
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int (*ucom_param)(void *sc, int portno, struct termios *);
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int (*ucom_ioctl)(void *sc, int portno, u_long cmd,
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void *data, int flag, proc_t *p);
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int (*ucom_open)(void *sc, int portno);
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void (*ucom_close)(void *sc, int portno);
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/*
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* Note: The 'ptr' and 'count' pointers can be adjusted as follows:
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* ptr: If consuming characters from the start of the buffer,
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* advance '*ptr' to skip the data consumed.
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* count: If consuming characters at the end of the buffer,
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* decrement '*count' by the number of characters consumed.
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* If consuming all characters, set '*count' to zero.
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*/
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void (*ucom_read)(void *sc, int portno, u_char **ptr, u_int32_t *count);
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void (*ucom_write)(void *sc, int portno, u_char *to, u_char *from,
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u_int32_t *count);
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};
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/* modem control register */
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#define UMCR_RTS 0x02 /* Request To Send */
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#define UMCR_DTR 0x01 /* Data Terminal Ready */
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/* line status register */
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#define ULSR_RCV_FIFO 0x80
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#define ULSR_TSRE 0x40 /* Transmitter empty: byte sent */
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#define ULSR_TXRDY 0x20 /* Transmitter buffer empty */
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#define ULSR_BI 0x10 /* Break detected */
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#define ULSR_FE 0x08 /* Framing error: bad stop bit */
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#define ULSR_PE 0x04 /* Parity error */
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#define ULSR_OE 0x02 /* Overrun, lost incoming byte */
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#define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
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#define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */
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/* modem status register */
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/* All deltas are from the last read of the MSR. */
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#define UMSR_DCD 0x80 /* Current Data Carrier Detect */
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#define UMSR_RI 0x40 /* Current Ring Indicator */
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#define UMSR_DSR 0x20 /* Current Data Set Ready */
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#define UMSR_CTS 0x10 /* Current Clear to Send */
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#define UMSR_DDCD 0x08 /* DCD has changed state */
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#define UMSR_TERI 0x04 /* RI has toggled low to high */
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#define UMSR_DDSR 0x02 /* DSR has changed state */
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#define UMSR_DCTS 0x01 /* CTS has changed state */
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struct ucom_attach_args {
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int portno;
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int bulkin;
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int bulkout;
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u_int ibufsize;
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u_int ibufsizepad;
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u_int obufsize;
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u_int opkthdrlen;
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const char *info; /* attach message */
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usbd_device_handle device;
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usbd_interface_handle iface;
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const struct ucom_methods *methods;
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void *arg;
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};
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int ucomprint(void *, const char *);
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int ucomsubmatch(device_t t, cfdata_t, const int *, void *);
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void ucom_status_change(struct ucom_softc *);
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