FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/serial/usb_serial.h

     /*      $NetBSD: ucomvar.h,v 1.9 2001/01/23 21:56:17 augustss Exp $     */
     /*      $FreeBSD$       */
     
     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause-NetBSD
      *
      * 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.
     *
     * 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>
    #include <sys/timepps.h>
    
    /* Module interface related macros */
    #define UCOM_MODVER     1
    
    #define UCOM_MINVER     1
    #define UCOM_PREFVER    UCOM_MODVER
    #define UCOM_MAXVER     1
    #define UCOM_JITTERBUF_SIZE     128     /* bytes */
    
    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 *);
           void    (*ucom_free) (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;
           int sc_refs;
           int sc_flag;    /* see UCOM_FLAG_XXX */
           struct sysctl_oid *sc_sysctl_ttyname;
           struct sysctl_oid *sc_sysctl_ttyports;
           char sc_ttyname[16];
   };
   
   struct ucom_softc {
           /*
            * NOTE: To avoid losing 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];
           /* pulse capturing support, PPS */
           struct pps_state        sc_pps;
           /* 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 consdev *sc_consdev;
           struct mtx *sc_mtx;
           void   *sc_parent;
           int sc_subunit;
           uint16_t sc_jitterbuf_in;
           uint16_t sc_jitterbuf_out;
           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 */
   #define UCOM_FLAG_WAIT_REFS   0x0100    /* set if we must wait for refs */
   #define UCOM_FLAG_FREE_UNIT   0x0200    /* set if we must free the unit */
   #define UCOM_FLAG_INWAKEUP    0x0400    /* set if we are in the tsw_inwakeup callback */
   #define UCOM_FLAG_LSRTXIDLE   0x0800    /* set if sc_lsr bits ULSR_TSRE+TXRDY work */
   #define UCOM_FLAG_DEVICE_MODE 0x1000    /* set if we're an USB device, not a host */
           uint8_t sc_lsr;
           uint8_t sc_msr;
           uint8_t sc_mcr;
           /* 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
           uint8_t sc_jitterbuf[UCOM_JITTERBUF_SIZE];
   };
   
   #define UCOM_MTX_ASSERT(sc, what) USB_MTX_ASSERT((sc)->sc_mtx, what)
   #define UCOM_MTX_LOCK(sc) USB_MTX_LOCK((sc)->sc_mtx)
   #define UCOM_MTX_UNLOCK(sc) USB_MTX_UNLOCK((sc)->sc_mtx)
   #define UCOM_UNLOAD_DRAIN(x) \
   SYSUNINIT(var, SI_SUB_KLD - 2, SI_ORDER_ANY, ucom_drain_all, 0)
   
   #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_set_usb_mode(struct ucom_super_softc *, enum usb_hc_mode);
   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 *);
   void    ucom_drain(struct ucom_super_softc *);
   void    ucom_drain_all(void *);
   void    ucom_ref(struct ucom_super_softc *);
   int     ucom_unref(struct ucom_super_softc *);
   
   static inline void
   ucom_use_lsr_txbits(struct ucom_softc *sc)
   {
   
           sc->sc_flag |= UCOM_FLAG_LSRTXIDLE;
   }
   
   #endif                                  /* _USB_SERIAL_H_ */

Cache object: 1dc16907a3272494a45f87bbeafd6a01