The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /* $NetBSD: ppbus_conf.h,v 1.4 2004/01/28 17:11:48 jdolecek Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 1997, 1998, 1999 Nicolas Souchu
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: src/sys/dev/ppbus/ppbconf.h,v 1.17.2.1 2000/05/24 00:20:57 n_hibma Exp $
   29  *
   30  */
   31 #ifndef __PPBUS_CONF_H
   32 #define __PPBUS_CONF_H
   33 
   34 #include <sys/device.h>
   35 #include <sys/lock.h>
   36 #include <sys/queue.h>
   37 
   38 #include <machine/bus.h>
   39 
   40 #include <dev/ppbus/ppbus_msq.h>
   41 #include <dev/ppbus/ppbus_device.h>
   42 
   43 
   44 /* Function pointer types used for interface */
   45 typedef u_char (*PARPORT_IO_T)(struct device *, int, u_char *, int, u_char);
   46 typedef int (*PARPORT_EXEC_MICROSEQ_T)(struct device *, 
   47         struct ppbus_microseq **);
   48 typedef void (*PARPORT_RESET_EPP_TIMEOUT_T)(struct device *);
   49 typedef int (*PARPORT_SETMODE_T)(struct device *, int);
   50 typedef int (*PARPORT_GETMODE_T)(struct device *);
   51 typedef void (*PARPORT_ECP_SYNC_T)(struct device *);
   52 typedef int (*PARPORT_READ_T)(struct device *, char *, int, int, size_t *);
   53 typedef int (*PARPORT_WRITE_T)(struct device *, char *, int, int, size_t *);
   54 typedef int (*PARPORT_READ_IVAR_T)(struct device *, int, unsigned int *);
   55 typedef int (*PARPORT_WRITE_IVAR_T)(struct device *, int, unsigned int *);
   56 typedef int (*PARPORT_DMA_MALLOC_T)(struct device *, caddr_t *, bus_addr_t *, 
   57         bus_size_t);
   58 typedef void (*PARPORT_DMA_FREE_T)(struct device *, caddr_t *, bus_addr_t *, 
   59         bus_size_t);
   60 typedef int (*PARPORT_ADD_HANDLER_T)(struct device *, void (*)(void *), 
   61         void *);
   62 typedef int (*PARPORT_REMOVE_HANDLER_T)(struct device *, void (*)(void *));
   63 
   64 /* Adapter structure that each parport device needs to implement ppbus */
   65 struct parport_adapter {
   66         u_int16_t capabilities;
   67 
   68         /* Functions which make up interface */
   69         PARPORT_IO_T parport_io;
   70         PARPORT_EXEC_MICROSEQ_T parport_exec_microseq;
   71         PARPORT_RESET_EPP_TIMEOUT_T parport_reset_epp_timeout;
   72         PARPORT_SETMODE_T parport_setmode;
   73         PARPORT_GETMODE_T parport_getmode;
   74         PARPORT_ECP_SYNC_T parport_ecp_sync;
   75         PARPORT_READ_T parport_read;
   76         PARPORT_WRITE_T parport_write;
   77         PARPORT_READ_IVAR_T parport_read_ivar;
   78         PARPORT_WRITE_IVAR_T parport_write_ivar;
   79         PARPORT_DMA_MALLOC_T parport_dma_malloc;
   80         PARPORT_DMA_FREE_T parport_dma_free;
   81         PARPORT_ADD_HANDLER_T parport_add_handler;
   82         PARPORT_REMOVE_HANDLER_T parport_remove_handler;
   83 };
   84 
   85 /* Parallel Port Bus configuration structure. */
   86 struct ppbus_softc {
   87         struct device sc_dev;
   88 
   89         /* Lock for critical section when requesting/releasing the bus */
   90         struct lock sc_lock;
   91 
   92 #define PPBUS_OK 1
   93 #define PPBUS_NOK 0
   94         u_int8_t sc_dev_ok;
   95 
   96         /* ppbus capabilities (see ppbus_var.h) */ 
   97         u_int16_t sc_capabilities;
   98 
   99 /* PnP device type defined in ppbus_var.h */
  100         int sc_class_id;                /* not a PnP device if class_id < 0 */
  101 
  102         /* Defined in pbus_1284.h: error and host side state. */
  103         u_int32_t sc_1284_state;        /* current IEEE1284 state */
  104         u_int32_t sc_1284_error;        /* last IEEE1284 error */
  105 
  106         /* Use IEEE 1284 negotiations in mode changes and direction changes */
  107         u_int32_t sc_use_ieee;
  108 
  109 /* PPBUS mode masks defined in ppbus_var.h. */
  110         u_int32_t sc_mode;              /* IEEE 1284-1994 mode */
  111 
  112         /* ppbus_device which owns the bus */
  113         struct device * ppbus_owner; 
  114 
  115         /* Head of list of child devices */
  116         SLIST_HEAD(childlist, ppbus_device_softc) sc_childlist_head;
  117 
  118         /* Functions which make up interface */
  119         PARPORT_IO_T ppbus_io;
  120         PARPORT_EXEC_MICROSEQ_T ppbus_exec_microseq;
  121         PARPORT_RESET_EPP_TIMEOUT_T ppbus_reset_epp_timeout;
  122         PARPORT_SETMODE_T ppbus_setmode;
  123         PARPORT_GETMODE_T ppbus_getmode;
  124         PARPORT_ECP_SYNC_T ppbus_ecp_sync;
  125         PARPORT_READ_T ppbus_read;
  126         PARPORT_WRITE_T ppbus_write;
  127         PARPORT_READ_IVAR_T ppbus_read_ivar;
  128         PARPORT_WRITE_IVAR_T ppbus_write_ivar;
  129         PARPORT_DMA_MALLOC_T ppbus_dma_malloc;
  130         PARPORT_DMA_FREE_T ppbus_dma_free;
  131         PARPORT_ADD_HANDLER_T ppbus_add_handler;
  132         PARPORT_REMOVE_HANDLER_T ppbus_remove_handler;
  133 };
  134 
  135 #endif /* __PPBUS_CONF_H */

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