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/ic/pckbcvar.h

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    1 /* $NetBSD: pckbcvar.h,v 1.9 2004/03/24 17:26:53 drochner Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1998
    5  *      Matthias Drochner.  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 ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  */
   28 
   29 #ifndef _DEV_IC_PCKBCVAR_H_
   30 #define _DEV_IC_PCKBCVAR_H_
   31 
   32 #include <sys/callout.h>
   33 
   34 #include <dev/pckbport/pckbportvar.h>
   35 
   36 #include "rnd.h"
   37 #if NRND > 0
   38 #include <sys/rnd.h>
   39 #endif
   40 
   41 typedef void *pckbc_tag_t;
   42 typedef int pckbc_slot_t;
   43 #define PCKBC_KBD_SLOT  0
   44 #define PCKBC_AUX_SLOT  1
   45 #define PCKBC_NSLOTS    2
   46 
   47 /* Simple cmd/slot ringbuffer structure */
   48 struct pckbc_rbuf_item {
   49         int data;
   50         int slot;
   51 };
   52 
   53 #define PCKBC_RBUF_SIZE 32      /* number of rbuf entries */
   54 
   55 /*
   56  * external representation (pckbc_tag_t),
   57  * needed early for console operation
   58  */
   59 struct pckbc_internal { 
   60         pckbport_tag_t t_pt;
   61         bus_space_tag_t t_iot;
   62         bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */
   63         bus_addr_t t_addr;
   64         u_char t_cmdbyte; /* shadow */
   65 
   66         int t_haveaux; /* controller has an aux port */
   67         struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS];
   68 
   69         struct pckbc_softc *t_sc; /* back pointer */
   70 
   71         struct callout t_cleanup;
   72 
   73         struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE];
   74         int rbuf_read;
   75         int rbuf_write;
   76 };
   77 
   78 typedef void (*pckbc_inputfcn) __P((void *, int));
   79 
   80 /*
   81  * State per device.
   82  */
   83 struct pckbc_softc {
   84         struct device sc_dv;
   85         struct pckbc_internal *id;
   86 
   87         void (*intr_establish) __P((struct pckbc_softc *, pckbc_slot_t));
   88 };
   89 
   90 struct pckbc_attach_args {
   91         pckbc_tag_t pa_tag;
   92         pckbc_slot_t pa_slot;
   93 };
   94 
   95 extern const char * const pckbc_slot_names[];
   96 extern struct pckbc_internal pckbc_consdata;
   97 extern int pckbc_console_attached;
   98 
   99 /* These functions are sometimes called by match routines */
  100 int pckbc_send_cmd __P((bus_space_tag_t, bus_space_handle_t, u_char));
  101 int pckbc_poll_data1 __P((void *, pckbc_slot_t));
  102 
  103 /* More normal calls from attach routines */
  104 void pckbc_attach __P((struct pckbc_softc *));
  105 int pckbc_cnattach __P((bus_space_tag_t, bus_addr_t, bus_size_t,
  106                         pckbc_slot_t));
  107 int pckbc_is_console __P((bus_space_tag_t, bus_addr_t));
  108 int pckbcintr __P((void *));
  109 int pckbcintr_hard __P((void *));
  110 void pckbcintr_soft __P((void *));
  111 
  112 /* md hook for use without mi wscons */
  113 int pckbc_machdep_cnattach __P((pckbc_tag_t, pckbc_slot_t));
  114 
  115 #endif /* _DEV_IC_PCKBCVAR_H_ */

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