FreeBSD/Linux Kernel Cross Reference
sys/dev/pcmcia/eslvar.h

     /*      $NetBSD: eslvar.h,v 1.3 2001/12/25 03:46:34 jmcneill Exp $      */
     
     /*
      * Copyright (c) 2001 Jared D. McNeill <jmcneill@invisible.yi.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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Jared D. McNeill.
     * 4. Neither the name of the author nor the names of any contributors may
     *    be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * 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.
     *
     */
    
    #include <sys/device.h>
    
    #define ESS_DAC_PLAY_VOL        0
    #define ESS_SYNTH_PLAY_VOL      1
    #define ESS_INPUT_CLASS         2
    
    #define ESS_MASTER_VOL          3
    #define ESS_OUTPUT_CLASS        4
    
    #define ESS_MAX_NDEVS           5
    
    /* Model numbers */
    #define ESS_UNSUPPORTED -1
    #define ESS_1688        0
    #define ESS_688         1       
    
    /* FIFO Size */
    #define ESS_FIFO_SIZE   256     /* in bytes */
    
    struct esl_softc
    {
            struct  device sc_dev;          /* base device */
            u_short sc_open;                /* reference count of open calls */
            u_char  gain[ESS_MAX_NDEVS][2]; /* kept in input levels */
    #define ESS_LEFT 0
    #define ESS_RIGHT 1
    
            void    (*intr)(void *);        /* ISR for FIFO Half-Empty */
            void    *arg;                   /* argument for intr() */
    
            /* Pseudo-DMA state vars */
            int     active;                 /* are we active? */
            u_char  *sc_dmaaddr;
            u_char  *sc_dmastart;
            u_char  *sc_dmaend;
            int     sc_blksize;
            int     sc_blkpos;
    
            u_int   sc_version;             /* Legacy ES688/ES1688 ID */
    };
    
    struct esl_pcmcia_softc {
            struct esl_softc sc_esl;
            struct pcmcia_io_handle sc_pcioh;
            int sc_io_window;
            struct pcmcia_function *sc_pf;
            void *sc_ih;
            struct device *sc_audiodev;
            struct device *sc_opldev;
    
            int (*sc_enable)(struct esl_pcmcia_softc *);
            void (*sc_disable)(struct esl_pcmcia_softc *);
    };
    
    int     esl_init(struct esl_pcmcia_softc *sc);
    int     esl_intr(void *);

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