b1d0bacc6a
Remove dependancy towards the USB config thread in the USB serial core. Use USB process msignalling instead. Saves a little memory and hopefully makes the code more understandable. Submitted by: Hans Petter Selasky
190 lines
7.8 KiB
C
190 lines
7.8 KiB
C
/* $NetBSD: ucomvar.h,v 1.9 2001/01/23 21:56:17 augustss Exp $ */
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/* $FreeBSD$ */
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/*-
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* Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.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) 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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* 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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#ifndef _USB2_SERIAL_H_
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#define _USB2_SERIAL_H_
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#include <sys/tty.h>
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#include <sys/serial.h>
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#include <sys/fcntl.h>
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#include <sys/termios.h>
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/* Module interface related macros */
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#define UCOM_MODVER 1
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#define UCOM_MINVER 1
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#define UCOM_PREFVER UCOM_MODVER
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#define UCOM_MAXVER 1
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struct usb2_com_softc;
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struct thread;
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/* NOTE: Only callbacks with "_cfg_" in its name are called
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* from a config thread, and are allowed to sleep! The other
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* callbacks are _not_ allowed to sleep!
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*
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* NOTE: There is no guarantee that "usb2_com_cfg_close()" will
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* be called after "usb2_com_cfg_open()" if the device is detached
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* while it is open!
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*/
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struct usb2_com_callback {
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void (*usb2_com_cfg_get_status) (struct usb2_com_softc *, uint8_t *plsr, uint8_t *pmsr);
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void (*usb2_com_cfg_set_dtr) (struct usb2_com_softc *, uint8_t);
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void (*usb2_com_cfg_set_rts) (struct usb2_com_softc *, uint8_t);
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void (*usb2_com_cfg_set_break) (struct usb2_com_softc *, uint8_t);
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void (*usb2_com_cfg_param) (struct usb2_com_softc *, struct termios *);
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void (*usb2_com_cfg_open) (struct usb2_com_softc *);
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void (*usb2_com_cfg_close) (struct usb2_com_softc *);
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int (*usb2_com_pre_open) (struct usb2_com_softc *);
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int (*usb2_com_pre_param) (struct usb2_com_softc *, struct termios *);
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int (*usb2_com_ioctl) (struct usb2_com_softc *, uint32_t, caddr_t, int, struct thread *);
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void (*usb2_com_start_read) (struct usb2_com_softc *);
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void (*usb2_com_stop_read) (struct usb2_com_softc *);
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void (*usb2_com_start_write) (struct usb2_com_softc *);
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void (*usb2_com_stop_write) (struct usb2_com_softc *);
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void (*usb2_com_tty_name) (struct usb2_com_softc *, char *pbuf, uint16_t buflen, uint16_t local_subunit);
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};
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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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/*
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* List of serial adapter commands or deferred function calls:
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*/
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enum {
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USB_COM_CFG_START_TRANSFERS,
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USB_COM_CFG_OPEN,
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USB_COM_CFG_CLOSE,
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USB_COM_CFG_BREAK_ON,
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USB_COM_CFG_BREAK_OFF,
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USB_COM_CFG_DTR_ON,
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USB_COM_CFG_DTR_OFF,
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USB_COM_CFG_RTS_ON,
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USB_COM_CFG_RTS_OFF,
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USB_COM_CFG_STATUS_CHANGE,
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USB_COM_CFG_PARAM,
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USB_COM_CFG_MAX,
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};
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struct usb2_com_command_msg {
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struct usb2_proc_msg hdr; /* must be first */
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struct usb2_com_softc *cc_softc;
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};
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struct usb2_com_super_softc {
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struct usb2_process sc_config_td;
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};
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struct usb2_com_softc {
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struct usb2_com_command_msg sc_cmds[2*USB_COM_CFG_MAX];
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struct termios sc_termios_copy;
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struct cv sc_cv;
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const struct usb2_com_callback *sc_callback;
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struct usb2_com_super_softc *sc_super;
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struct tty *sc_tty;
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struct mtx *sc_parent_mtx;
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void *sc_parent;
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uint32_t sc_unit;
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uint32_t sc_local_unit;
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uint16_t sc_portno;
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uint8_t sc_flag;
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#define UCOM_FLAG_RTS_IFLOW 0x01 /* use RTS input flow control */
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#define UCOM_FLAG_GONE 0x02 /* the device is gone */
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#define UCOM_FLAG_ATTACHED 0x04 /* set if attached */
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#define UCOM_FLAG_GP_DATA 0x08 /* set if get and put data is possible */
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#define UCOM_FLAG_WR_START 0x10 /* set if write start was issued */
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#define UCOM_FLAG_LL_READY 0x20 /* set if low layer is ready */
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#define UCOM_FLAG_HL_READY 0x40 /* set if high layer is ready */
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uint8_t sc_lsr;
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uint8_t sc_msr;
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uint8_t sc_mcr;
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uint8_t sc_ttyfreed; /* set when TTY has been freed */
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uint8_t sc_last_cmd_flag[USB_COM_CFG_MAX];
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};
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int usb2_com_attach(struct usb2_com_super_softc *ssc,
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struct usb2_com_softc *sc, uint32_t sub_units, void *parent,
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const struct usb2_com_callback *callback, struct mtx *p_mtx);
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void usb2_com_detach(struct usb2_com_super_softc *ssc,
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struct usb2_com_softc *sc, uint32_t sub_units);
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void usb2_com_status_change(struct usb2_com_softc *);
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uint8_t usb2_com_get_data(struct usb2_com_softc *sc, struct usb2_page_cache *pc,
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uint32_t offset, uint32_t len, uint32_t *actlen);
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void usb2_com_put_data(struct usb2_com_softc *sc, struct usb2_page_cache *pc,
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uint32_t offset, uint32_t len);
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uint8_t usb2_com_cfg_sleep(struct usb2_com_softc *sc, uint32_t timeout);
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uint8_t usb2_com_cfg_is_gone(struct usb2_com_softc *sc);
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#endif /* _USB2_SERIAL_H_ */
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