1 /* $NetBSD: ucomvar.h,v 1.11 2004/09/13 12:55:49 drochner Exp $ */ 2 3 /* 4 * Copyright (c) 1999 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@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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 41 /* Macros to clear/set/test flags. */ 42 #define SET(t, f) (t) |= (f) 43 #define CLR(t, f) (t) &= ~(f) 44 #define ISSET(t, f) ((t) & (f)) 45 46 /* just for ucom_attach_args, not in the config namespace */ 47 #define UCOM_UNK_PORTNO (-1) 48 49 struct ucom_softc; 50 51 struct ucom_methods { 52 void (*ucom_get_status)(void *sc, int portno, u_char *lsr, u_char *msr); 53 void (*ucom_set)(void *sc, int portno, int reg, int onoff); 54 #define UCOM_SET_DTR 1 55 #define UCOM_SET_RTS 2 56 #define UCOM_SET_BREAK 3 57 int (*ucom_param)(void *sc, int portno, struct termios *); 58 int (*ucom_ioctl)(void *sc, int portno, u_long cmd, 59 caddr_t data, int flag, usb_proc_ptr p); 60 int (*ucom_open)(void *sc, int portno); 61 void (*ucom_close)(void *sc, int portno); 62 void (*ucom_read)(void *sc, int portno, u_char **ptr, u_int32_t *count); 63 void (*ucom_write)(void *sc, int portno, u_char *to, u_char *from, 64 u_int32_t *count); 65 }; 66 67 /* modem control register */ 68 #define UMCR_RTS 0x02 /* Request To Send */ 69 #define UMCR_DTR 0x01 /* Data Terminal Ready */ 70 71 /* line status register */ 72 #define ULSR_RCV_FIFO 0x80 73 #define ULSR_TSRE 0x40 /* Transmitter empty: byte sent */ 74 #define ULSR_TXRDY 0x20 /* Transmitter buffer empty */ 75 #define ULSR_BI 0x10 /* Break detected */ 76 #define ULSR_FE 0x08 /* Framing error: bad stop bit */ 77 #define ULSR_PE 0x04 /* Parity error */ 78 #define ULSR_OE 0x02 /* Overrun, lost incoming byte */ 79 #define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ 80 #define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */ 81 82 /* modem status register */ 83 /* All deltas are from the last read of the MSR. */ 84 #define UMSR_DCD 0x80 /* Current Data Carrier Detect */ 85 #define UMSR_RI 0x40 /* Current Ring Indicator */ 86 #define UMSR_DSR 0x20 /* Current Data Set Ready */ 87 #define UMSR_CTS 0x10 /* Current Clear to Send */ 88 #define UMSR_DDCD 0x08 /* DCD has changed state */ 89 #define UMSR_TERI 0x04 /* RI has toggled low to high */ 90 #define UMSR_DDSR 0x02 /* DSR has changed state */ 91 #define UMSR_DCTS 0x01 /* CTS has changed state */ 92 93 struct ucom_attach_args { 94 int portno; 95 int bulkin; 96 int bulkout; 97 u_int ibufsize; 98 u_int ibufsizepad; 99 u_int obufsize; 100 u_int opkthdrlen; 101 const char *info; /* attach message */ 102 usbd_device_handle device; 103 usbd_interface_handle iface; 104 struct ucom_methods *methods; 105 void *arg; 106 }; 107 108 int ucomprint(void *aux, const char *pnp); 109 int ucomsubmatch(struct device *parent, struct cfdata *cf, 110 const locdesc_t *, void *aux); 111 void ucom_status_change(struct ucom_softc *); 112