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1/* $OpenBSD: ucomvar.h,v 1.20 2023/10/01 15:58:11 krw Exp $ */
2/* $NetBSD: ucomvar.h,v 1.10 2001/12/31 12:15:21 augustss Exp $ */
3
4/*
5 * Copyright (c) 1999 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (lennart@augustsson.net) at
10 * Carlstedt Research & Technology.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#define UCOMBUSCF_PORTNO 0
35#define UCOMBUSCF_PORTNO_DEFAULT -1
36
37#define ucomcf_portno cf_loc[UCOMBUSCF_PORTNO]
38#define UCOM_UNK_PORTNO UCOMBUSCF_PORTNO_DEFAULT
39
40struct ucom_softc;
41
42struct ucom_methods {
43 void (*ucom_get_status)(void *sc, int portno, u_char *lsr, u_char *msr);
44 void (*ucom_set)(void *sc, int portno, int reg, int onoff);
45#define UCOM_SET_DTR 1
46#define UCOM_SET_RTS 2
47#define UCOM_SET_BREAK 3
48 int (*ucom_param)(void *sc, int portno, struct termios *);
49 int (*ucom_ioctl)(void *sc, int portno, u_long cmd,
50 caddr_t data, int flag, struct proc *p);
51 int (*ucom_open)(void *sc, int portno);
52 void (*ucom_close)(void *sc, int portno);
53 void (*ucom_read)(void *sc, int portno, u_char **ptr, u_int32_t *count);
54 void (*ucom_write)(void *sc, int portno, u_char *to, u_char *from,
55 u_int32_t *count);
56};
57
58/* modem control register */
59#define UMCR_RTS 0x02 /* Request To Send */
60#define UMCR_DTR 0x01 /* Data Terminal Ready */
61
62/* line status register */
63#define ULSR_RCV_FIFO 0x80
64#define ULSR_TSRE 0x40 /* Transmitter empty: byte sent */
65#define ULSR_TXRDY 0x20 /* Transmitter buffer empty */
66#define ULSR_BI 0x10 /* Break detected */
67#define ULSR_FE 0x08 /* Framing error: bad stop bit */
68#define ULSR_PE 0x04 /* Parity error */
69#define ULSR_OE 0x02 /* Overrun, lost incoming byte */
70#define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
71#define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */
72
73/* modem status register */
74/* All deltas are from the last read of the MSR. */
75#define UMSR_DCD 0x80 /* Current Data Carrier Detect */
76#define UMSR_RI 0x40 /* Current Ring Indicator */
77#define UMSR_DSR 0x20 /* Current Data Set Ready */
78#define UMSR_CTS 0x10 /* Current Clear to Send */
79#define UMSR_DDCD 0x08 /* DCD has changed state */
80#define UMSR_TERI 0x04 /* RI has toggled low to high */
81#define UMSR_DDSR 0x02 /* DSR has changed state */
82#define UMSR_DCTS 0x01 /* CTS has changed state */
83
84struct ucom_attach_args {
85 int portno;
86 int bulkin;
87 int bulkout;
88 struct uhidev_softc *uhidev;
89 u_int ibufsize;
90 u_int ibufsizepad;
91 u_int obufsize;
92 u_int opkthdrlen;
93 const char *info; /* attach message */
94 struct usbd_device *device;
95 struct usbd_interface *iface;
96 const struct ucom_methods *methods;
97 void *arg;
98};
99
100int ucomsubmatch(struct device *, void *, void *);
101
102char *sysctl_ucominit(void);
103
104int ucomprint(void *aux, const char *pnp);
105void ucom_status_change(struct ucom_softc *);