sys/dev/ic/pckbcvar.h

   1 /* $NetBSD: pckbcvar.h,v 1.15 2008/03/15 13:23:25 cube 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)(void *, int);
  79
  80 /*
  81  * State per device.
  82  */
  83 struct pckbc_softc {
  84         device_t sc_dv;
  85         struct pckbc_internal *id;
  86
  87         void (*intr_establish)(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(bus_space_tag_t, bus_space_handle_t, u_char);
 101 int pckbc_poll_data1(void *, pckbc_slot_t);
 102
 103 /* More normal calls from attach routines */
 104 void pckbc_attach(struct pckbc_softc *);
 105 int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t);
 106 int pckbc_is_console(bus_space_tag_t, bus_addr_t);
 107 int pckbcintr(void *);
 108 int pckbcintr_hard(void *);
 109 void pckbcintr_soft(void *);
 110
 111 /* md hook for use without mi wscons */
 112 int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t);
 113
 114 /* power management */
 115 bool pckbc_resume(device_t, pmf_qual_t);
 116
 117 #endif /* _DEV_IC_PCKBCVAR_H_ */