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/* $NetBSD: ucomvar.h,v 1.9 2001/01/23 21:56:17 augustss Exp $ */
/* $FreeBSD: release/9.1.0/sys/dev/usb/serial/usb_serial.h 235000 2012-05-04 15:05:30Z hselasky $ */
/*-
* Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _USB_SERIAL_H_
#define _USB_SERIAL_H_
#include <sys/tty.h>
#include <sys/serial.h>
#include <sys/fcntl.h>
#include <sys/sysctl.h>
/* Module interface related macros */
#define UCOM_MODVER 1
#define UCOM_MINVER 1
#define UCOM_PREFVER UCOM_MODVER
#define UCOM_MAXVER 1
struct usb_device;
struct ucom_softc;
struct usb_device_request;
struct thread;
/*
* NOTE: There is no guarantee that "ucom_cfg_close()" will
* be called after "ucom_cfg_open()" if the device is detached
* while it is open!
*/
struct ucom_callback {
void (*ucom_cfg_get_status) (struct ucom_softc *, uint8_t *plsr, uint8_t *pmsr);
void (*ucom_cfg_set_dtr) (struct ucom_softc *, uint8_t);
void (*ucom_cfg_set_rts) (struct ucom_softc *, uint8_t);
void (*ucom_cfg_set_break) (struct ucom_softc *, uint8_t);
void (*ucom_cfg_set_ring) (struct ucom_softc *, uint8_t);
void (*ucom_cfg_param) (struct ucom_softc *, struct termios *);
void (*ucom_cfg_open) (struct ucom_softc *);
void (*ucom_cfg_close) (struct ucom_softc *);
int (*ucom_pre_open) (struct ucom_softc *);
int (*ucom_pre_param) (struct ucom_softc *, struct termios *);
int (*ucom_ioctl) (struct ucom_softc *, uint32_t, caddr_t, int, struct thread *);
void (*ucom_start_read) (struct ucom_softc *);
void (*ucom_stop_read) (struct ucom_softc *);
void (*ucom_start_write) (struct ucom_softc *);
void (*ucom_stop_write) (struct ucom_softc *);
void (*ucom_tty_name) (struct ucom_softc *, char *pbuf, uint16_t buflen, uint16_t unit, uint16_t subunit);
void (*ucom_poll) (struct ucom_softc *);
};
/* Line status register */
#define ULSR_RCV_FIFO 0x80
#define ULSR_TSRE 0x40 /* Transmitter empty: byte sent */
#define ULSR_TXRDY 0x20 /* Transmitter buffer empty */
#define ULSR_BI 0x10 /* Break detected */
#define ULSR_FE 0x08 /* Framing error: bad stop bit */
#define ULSR_PE 0x04 /* Parity error */
#define ULSR_OE 0x02 /* Overrun, lost incoming byte */
#define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
#define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */
struct ucom_cfg_task {
struct usb_proc_msg hdr;
struct ucom_softc *sc;
};
struct ucom_param_task {
struct usb_proc_msg hdr;
struct ucom_softc *sc;
struct termios termios_copy;
};
struct ucom_super_softc {
struct usb_process sc_tq;
int sc_unit;
int sc_subunits;
struct sysctl_oid *sc_sysctl_ttyname;
struct sysctl_oid *sc_sysctl_ttyports;
char sc_ttyname[16];
};
struct ucom_softc {
/*
* NOTE: To avoid loosing level change information we use two
* tasks instead of one for all commands.
*
* Level changes are transitions like:
*
* ON->OFF
* OFF->ON
* OPEN->CLOSE
* CLOSE->OPEN
*/
struct ucom_cfg_task sc_start_task[2];
struct ucom_cfg_task sc_open_task[2];
struct ucom_cfg_task sc_close_task[2];
struct ucom_cfg_task sc_line_state_task[2];
struct ucom_cfg_task sc_status_task[2];
struct ucom_param_task sc_param_task[2];
struct cv sc_cv;
/* Used to set "UCOM_FLAG_GP_DATA" flag: */
struct usb_proc_msg *sc_last_start_xfer;
const struct ucom_callback *sc_callback;
struct ucom_super_softc *sc_super;
struct tty *sc_tty;
struct mtx *sc_mtx;
void *sc_parent;
int sc_subunit;
uint16_t sc_portno;
uint16_t sc_flag;
#define UCOM_FLAG_RTS_IFLOW 0x01 /* use RTS input flow control */
#define UCOM_FLAG_GONE 0x02 /* the device is gone */
#define UCOM_FLAG_ATTACHED 0x04 /* set if attached */
#define UCOM_FLAG_GP_DATA 0x08 /* set if get and put data is possible */
#define UCOM_FLAG_LL_READY 0x20 /* set if low layer is ready */
#define UCOM_FLAG_HL_READY 0x40 /* set if high layer is ready */
#define UCOM_FLAG_CONSOLE 0x80 /* set if device is a console */
uint8_t sc_lsr;
uint8_t sc_msr;
uint8_t sc_mcr;
uint8_t sc_ttyfreed; /* set when TTY has been freed */
/* programmed line state bits */
uint8_t sc_pls_set; /* set bits */
uint8_t sc_pls_clr; /* cleared bits */
uint8_t sc_pls_curr; /* last state */
#define UCOM_LS_DTR 0x01
#define UCOM_LS_RTS 0x02
#define UCOM_LS_BREAK 0x04
#define UCOM_LS_RING 0x08
};
#define ucom_cfg_do_request(udev,com,req,ptr,flags,timo) \
usbd_do_request_proc(udev,&(com)->sc_super->sc_tq,req,ptr,flags,NULL,timo)
int ucom_attach(struct ucom_super_softc *,
struct ucom_softc *, int, void *,
const struct ucom_callback *callback, struct mtx *);
void ucom_detach(struct ucom_super_softc *, struct ucom_softc *);
void ucom_set_pnpinfo_usb(struct ucom_super_softc *, device_t);
void ucom_status_change(struct ucom_softc *);
uint8_t ucom_get_data(struct ucom_softc *, struct usb_page_cache *,
uint32_t, uint32_t, uint32_t *);
void ucom_put_data(struct ucom_softc *, struct usb_page_cache *,
uint32_t, uint32_t);
uint8_t ucom_cfg_is_gone(struct ucom_softc *);
#endif /* _USB_SERIAL_H_ */