usb_serial.h revision 184610
1217309Snwhitehorn/*	$NetBSD: ucomvar.h,v 1.9 2001/01/23 21:56:17 augustss Exp $	*/
2217309Snwhitehorn/*	$FreeBSD: head/sys/dev/usb2/serial/usb2_serial.h 184610 2008-11-04 02:31:03Z alfred $	*/
3217309Snwhitehorn
4217309Snwhitehorn/*-
5217309Snwhitehorn * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
6217309Snwhitehorn * All rights reserved.
7217309Snwhitehorn *
8217309Snwhitehorn * Redistribution and use in source and binary forms, with or without
9217309Snwhitehorn * modification, are permitted provided that the following conditions
10217309Snwhitehorn * are met:
11217309Snwhitehorn * 1. Redistributions of source code must retain the above copyright
12217309Snwhitehorn *    notice, this list of conditions and the following disclaimer.
13217309Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright
14217309Snwhitehorn *    notice, this list of conditions and the following disclaimer in the
15217309Snwhitehorn *    documentation and/or other materials provided with the distribution.
16217309Snwhitehorn *
17217309Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18217309Snwhitehorn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19217309Snwhitehorn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30/*-
31 * Copyright (c) 1999 The NetBSD Foundation, Inc.
32 * All rights reserved.
33 *
34 * This code is derived from software contributed to The NetBSD Foundation
35 * by Lennart Augustsson (lennart@augustsson.net) at
36 * Carlstedt Research & Technology.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 *    notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 *    notice, this list of conditions and the following disclaimer in the
45 *    documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 *    must display the following acknowledgement:
48 *        This product includes software developed by the NetBSD
49 *        Foundation, Inc. and its contributors.
50 * 4. Neither the name of The NetBSD Foundation nor the names of its
51 *    contributors may be used to endorse or promote products derived
52 *    from this software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
55 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
56 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
57 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
58 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
59 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
60 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
61 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
62 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
64 * POSSIBILITY OF SUCH DAMAGE.
65 */
66
67#ifndef _USB2_SERIAL_H_
68#define	_USB2_SERIAL_H_
69
70#include <sys/tty.h>
71#include <sys/serial.h>
72#include <sys/fcntl.h>
73#include <sys/termios.h>
74
75/* Module interface related macros */
76#define	UCOM_MODVER	1
77
78#define	UCOM_MINVER	1
79#define	UCOM_PREFVER	UCOM_MODVER
80#define	UCOM_MAXVER	1
81
82struct usb2_com_softc;
83struct thread;
84
85/* NOTE: Only callbacks with "_cfg_" in its name are called
86 * from a config thread, and are allowed to sleep! The other
87 * callbacks are _not_ allowed to sleep!
88 *
89 * NOTE: There is no guarantee that "usb2_com_cfg_close()" will
90 * be called after "usb2_com_cfg_open()" if the device is detached
91 * while it is open!
92 */
93struct usb2_com_callback {
94	void    (*usb2_com_cfg_get_status) (struct usb2_com_softc *, uint8_t *plsr, uint8_t *pmsr);
95	void    (*usb2_com_cfg_set_dtr) (struct usb2_com_softc *, uint8_t);
96	void    (*usb2_com_cfg_set_rts) (struct usb2_com_softc *, uint8_t);
97	void    (*usb2_com_cfg_set_break) (struct usb2_com_softc *, uint8_t);
98	void    (*usb2_com_cfg_param) (struct usb2_com_softc *, struct termios *);
99	void    (*usb2_com_cfg_open) (struct usb2_com_softc *);
100	void    (*usb2_com_cfg_close) (struct usb2_com_softc *);
101	int     (*usb2_com_pre_open) (struct usb2_com_softc *);
102	int     (*usb2_com_pre_param) (struct usb2_com_softc *, struct termios *);
103	int     (*usb2_com_ioctl) (struct usb2_com_softc *, uint32_t, caddr_t, int, struct thread *);
104	void    (*usb2_com_start_read) (struct usb2_com_softc *);
105	void    (*usb2_com_stop_read) (struct usb2_com_softc *);
106	void    (*usb2_com_start_write) (struct usb2_com_softc *);
107	void    (*usb2_com_stop_write) (struct usb2_com_softc *);
108	void    (*usb2_com_tty_name) (struct usb2_com_softc *, char *pbuf, uint16_t buflen, uint16_t local_subunit);
109};
110
111/* Line status register */
112#define	ULSR_RCV_FIFO	0x80
113#define	ULSR_TSRE	0x40		/* Transmitter empty: byte sent */
114#define	ULSR_TXRDY	0x20		/* Transmitter buffer empty */
115#define	ULSR_BI		0x10		/* Break detected */
116#define	ULSR_FE		0x08		/* Framing error: bad stop bit */
117#define	ULSR_PE		0x04		/* Parity error */
118#define	ULSR_OE		0x02		/* Overrun, lost incoming byte */
119#define	ULSR_RXRDY	0x01		/* Byte ready in Receive Buffer */
120#define	ULSR_RCV_MASK	0x1f		/* Mask for incoming data or error */
121
122struct usb2_com_super_softc {
123	struct usb2_config_td sc_config_td;
124};
125
126struct usb2_com_softc {
127	struct termios sc_termios_copy;
128	struct cv sc_cv;
129	const struct usb2_com_callback *sc_callback;
130	struct usb2_com_super_softc *sc_super;
131	struct tty *sc_tty;
132	struct mtx *sc_parent_mtx;
133	void   *sc_parent;
134	uint32_t sc_unit;
135	uint32_t sc_local_unit;
136	uint16_t sc_portno;
137	uint8_t	sc_flag;
138#define	UCOM_FLAG_RTS_IFLOW	0x01	/* use RTS input flow control */
139#define	UCOM_FLAG_GONE		0x02	/* the device is gone */
140#define	UCOM_FLAG_ATTACHED	0x04	/* set if attached */
141#define	UCOM_FLAG_GP_DATA	0x08	/* set if get and put data is possible */
142#define	UCOM_FLAG_WR_START	0x10	/* set if write start was issued */
143#define	UCOM_FLAG_LL_READY	0x20	/* set if low layer is ready */
144#define	UCOM_FLAG_HL_READY	0x40	/* set if high layer is ready */
145	uint8_t	sc_lsr;
146	uint8_t	sc_msr;
147	uint8_t	sc_mcr;
148	uint8_t	sc_ttyfreed;		/* set when TTY has been freed */
149};
150
151int	usb2_com_attach(struct usb2_com_super_softc *ssc, struct usb2_com_softc *sc, uint32_t sub_units, void *parent, const struct usb2_com_callback *callback, struct mtx *p_mtx);
152void	usb2_com_detach(struct usb2_com_super_softc *ssc, struct usb2_com_softc *sc, uint32_t sub_units);
153void	usb2_com_status_change(struct usb2_com_softc *);
154uint8_t	usb2_com_get_data(struct usb2_com_softc *sc, struct usb2_page_cache *pc, uint32_t offset, uint32_t len, uint32_t *actlen);
155void	usb2_com_put_data(struct usb2_com_softc *sc, struct usb2_page_cache *pc, uint32_t offset, uint32_t len);
156uint8_t	usb2_com_cfg_sleep(struct usb2_com_softc *sc, uint32_t timeout);
157uint8_t	usb2_com_cfg_is_gone(struct usb2_com_softc *sc);
158
159#endif					/* _USB2_SERIAL_H_ */
160