FreeBSD/Linux Kernel Cross Reference
sys/dev/mse/msevar.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2004 M. Warner Losh
      * 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.
     *
     * $FreeBSD: releng/12.0/sys/dev/mse/msevar.h 326255 2017-11-27 14:52:40Z pfg $
     */
    
    /*-
     * Copyright 1992 by the University of Guelph
     *
     * Permission to use, copy and modify this
     * software and its documentation for any purpose and without
     * fee is hereby granted, provided that the above copyright
     * notice appear in all copies and that both that copyright
     * notice and this permission notice appear in supporting
     * documentation.
     * University of Guelph makes no representations about the suitability of
     * this software for any purpose.  It is provided "as is"
     * without express or implied warranty.
     */
    
    /* driver configuration flags (config) */
    #define MSE_CONFIG_ACCEL        0x00f0  /* acceleration factor */
    #define MSE_CONFIG_FLAGS        (MSE_CONFIG_ACCEL)
    
    /*
     * Software control structure for mouse. The sc_enablemouse(),
     * sc_disablemouse() and sc_getmouse() routines must be called locked.
     */
    typedef struct mse_softc {
            int             sc_flags;
            int             sc_mousetype;
            struct selinfo  sc_selp;
            struct resource *sc_port;
            struct resource *sc_intr;
            void            *sc_ih;
            void            (*sc_enablemouse)(struct resource *port);
            void            (*sc_disablemouse)(struct resource *port);
            void            (*sc_getmouse)(struct resource *port, int *dx, int *dy,
                                int *but);
            int             sc_deltax;
            int             sc_deltay;
            int             sc_obuttons;
            int             sc_buttons;
            int             sc_bytesread;
            u_char          sc_bytes[MOUSE_SYS_PACKETSIZE];
            struct callout  sc_callout;
            struct mtx      sc_lock;
            int             sc_watchdog;
            struct cdev *sc_dev;
            struct cdev *sc_ndev;
            mousehw_t       hw;
            mousemode_t     mode;
            mousestatus_t   status;
    } mse_softc_t;
    
    #define MSE_LOCK(sc)            mtx_lock(&(sc)->sc_lock)
    #define MSE_UNLOCK(sc)          mtx_unlock(&(sc)->sc_lock)
    #define MSE_ASSERT_LOCKED(sc)   mtx_assert(&(sc)->sc_lock, MA_OWNED)
    
    /* Flags */
    #define MSESC_OPEN      0x1
    #define MSESC_WANT      0x2
    #define MSESC_READING   0x4
    
    /* and Mouse Types */
    #define MSE_NONE        0       /* don't move this! */
    
    /* isa bus mouse types */
    #define MSE_LOGITECH    0x1
    #define MSE_ATIINPORT   0x2
    
    #define MSE_LOGI_SIG    0xA5
    
    /* XXX msereg.h? */
    #define MSE_PORTA       0
   #define MSE_PORTB       1
   #define MSE_PORTC       2
   #define MSE_PORTD       3
   #define MSE_IOSIZE      4
   
   /*
    * Table of mouse types.
    * Keep the Logitech last, since I haven't figured out how to probe it
    * properly yet. (Someday I'll have the documentation.)
    */
   struct mse_types {
           int     m_type;         /* Type of bus mouse */
           int     (*m_probe)(device_t dev, mse_softc_t *sc);
                                   /* Probe routine to test for it */
           void    (*m_enable)(struct resource *port);
                                   /* Start routine */
           void    (*m_disable)(struct resource *port);
                                   /* Disable interrupts routine */
           void    (*m_get)(struct resource *port, int *dx, int *dy, int *but);
                                   /* and get mouse status */
           mousehw_t   m_hw;       /* buttons iftype type model hwid */
           mousemode_t m_mode;     /* proto rate res accel level size mask */
   };
   
   extern devclass_t       mse_devclass;
   int mse_common_attach(device_t);
   int mse_detach(device_t);

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