FreeBSD/Linux Kernel Cross Reference
sys/dev/ppbus/ppbus_conf.h

     /* $NetBSD: ppbus_conf.h,v 1.4 2004/01/28 17:11:48 jdolecek Exp $ */
     
     /*-
      * Copyright (c) 1997, 1998, 1999 Nicolas Souchu
      * 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: src/sys/dev/ppbus/ppbconf.h,v 1.17.2.1 2000/05/24 00:20:57 n_hibma Exp $
     *
     */
    #ifndef __PPBUS_CONF_H
    #define __PPBUS_CONF_H
    
    #include <sys/device.h>
    #include <sys/lock.h>
    #include <sys/queue.h>
    
    #include <machine/bus.h>
    
    #include <dev/ppbus/ppbus_msq.h>
    #include <dev/ppbus/ppbus_device.h>
    
    
    /* Function pointer types used for interface */
    typedef u_char (*PARPORT_IO_T)(struct device *, int, u_char *, int, u_char);
    typedef int (*PARPORT_EXEC_MICROSEQ_T)(struct device *, 
            struct ppbus_microseq **);
    typedef void (*PARPORT_RESET_EPP_TIMEOUT_T)(struct device *);
    typedef int (*PARPORT_SETMODE_T)(struct device *, int);
    typedef int (*PARPORT_GETMODE_T)(struct device *);
    typedef void (*PARPORT_ECP_SYNC_T)(struct device *);
    typedef int (*PARPORT_READ_T)(struct device *, char *, int, int, size_t *);
    typedef int (*PARPORT_WRITE_T)(struct device *, char *, int, int, size_t *);
    typedef int (*PARPORT_READ_IVAR_T)(struct device *, int, unsigned int *);
    typedef int (*PARPORT_WRITE_IVAR_T)(struct device *, int, unsigned int *);
    typedef int (*PARPORT_DMA_MALLOC_T)(struct device *, caddr_t *, bus_addr_t *, 
            bus_size_t);
    typedef void (*PARPORT_DMA_FREE_T)(struct device *, caddr_t *, bus_addr_t *, 
            bus_size_t);
    typedef int (*PARPORT_ADD_HANDLER_T)(struct device *, void (*)(void *), 
            void *);
    typedef int (*PARPORT_REMOVE_HANDLER_T)(struct device *, void (*)(void *));
    
    /* Adapter structure that each parport device needs to implement ppbus */
    struct parport_adapter {
            u_int16_t capabilities;
    
            /* Functions which make up interface */
            PARPORT_IO_T parport_io;
            PARPORT_EXEC_MICROSEQ_T parport_exec_microseq;
            PARPORT_RESET_EPP_TIMEOUT_T parport_reset_epp_timeout;
            PARPORT_SETMODE_T parport_setmode;
            PARPORT_GETMODE_T parport_getmode;
            PARPORT_ECP_SYNC_T parport_ecp_sync;
            PARPORT_READ_T parport_read;
            PARPORT_WRITE_T parport_write;
            PARPORT_READ_IVAR_T parport_read_ivar;
            PARPORT_WRITE_IVAR_T parport_write_ivar;
            PARPORT_DMA_MALLOC_T parport_dma_malloc;
            PARPORT_DMA_FREE_T parport_dma_free;
            PARPORT_ADD_HANDLER_T parport_add_handler;
            PARPORT_REMOVE_HANDLER_T parport_remove_handler;
    };
    
    /* Parallel Port Bus configuration structure. */
    struct ppbus_softc {
            struct device sc_dev;
    
            /* Lock for critical section when requesting/releasing the bus */
            struct lock sc_lock;
    
    #define PPBUS_OK 1
    #define PPBUS_NOK 0
            u_int8_t sc_dev_ok;
    
            /* ppbus capabilities (see ppbus_var.h) */ 
            u_int16_t sc_capabilities;
    
    /* PnP device type defined in ppbus_var.h */
           int sc_class_id;                /* not a PnP device if class_id < 0 */
   
           /* Defined in pbus_1284.h: error and host side state. */
           u_int32_t sc_1284_state;        /* current IEEE1284 state */
           u_int32_t sc_1284_error;        /* last IEEE1284 error */
   
           /* Use IEEE 1284 negotiations in mode changes and direction changes */
           u_int32_t sc_use_ieee;
   
   /* PPBUS mode masks defined in ppbus_var.h. */
           u_int32_t sc_mode;              /* IEEE 1284-1994 mode */
   
           /* ppbus_device which owns the bus */
           struct device * ppbus_owner; 
   
           /* Head of list of child devices */
           SLIST_HEAD(childlist, ppbus_device_softc) sc_childlist_head;
   
           /* Functions which make up interface */
           PARPORT_IO_T ppbus_io;
           PARPORT_EXEC_MICROSEQ_T ppbus_exec_microseq;
           PARPORT_RESET_EPP_TIMEOUT_T ppbus_reset_epp_timeout;
           PARPORT_SETMODE_T ppbus_setmode;
           PARPORT_GETMODE_T ppbus_getmode;
           PARPORT_ECP_SYNC_T ppbus_ecp_sync;
           PARPORT_READ_T ppbus_read;
           PARPORT_WRITE_T ppbus_write;
           PARPORT_READ_IVAR_T ppbus_read_ivar;
           PARPORT_WRITE_IVAR_T ppbus_write_ivar;
           PARPORT_DMA_MALLOC_T ppbus_dma_malloc;
           PARPORT_DMA_FREE_T ppbus_dma_free;
           PARPORT_ADD_HANDLER_T ppbus_add_handler;
           PARPORT_REMOVE_HANDLER_T ppbus_remove_handler;
   };
   
   #endif /* __PPBUS_CONF_H */

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