sys/dev/cardbus/cardslotvar.h

   1 /*      $NetBSD: cardslotvar.h,v 1.15 2008/07/03 18:57:52 drochner Exp $        */
   2
   3 /*
   4  * Copyright (c) 1999
   5  *       HAYAKAWA Koichi.  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
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef _DEV_CARDBUS_CARDSLOTVAR_H_
  30 #define _DEV_CARDBUS_CARDSLOTVAR_H_
  31
  32 /* require sys/device.h */
  33 /* require sys/queue.h */
  34
  35 struct cardslot_event;
  36
  37 /*
  38  * The data structure cardslot_attach_args is the attach argument for
  39  * PCMCIA (including CardBus and 16-bit card) slot.
  40  */
  41 struct cardslot_attach_args {
  42         /* for cardbus... */
  43         struct cbslot_attach_args *caa_cb_attach;
  44
  45         /* for 16-bit pcmcia */
  46         struct pcmciabus_attach_args *caa_16_attach;
  47 };
  48
  49
  50 /*
  51  * The data structure cardslot_attach_args is the attach argument for
  52  * PCMCIA (including CardBus and 16-bit card) slot.
  53  */
  54 struct cardslot_softc {
  55         device_t sc_dev;
  56
  57         int sc_status;          /* the status of slot */
  58
  59         struct cardbus_softc *sc_cb_softc;
  60         device_t sc_16_softc;
  61
  62         struct lwp *sc_event_thread;
  63         int sc_th_enable;       /* true if the thread is enabled */
  64
  65         /* An event queue for the thread which processes slot state events. */
  66
  67         SIMPLEQ_HEAD(, cardslot_event) sc_events;
  68 };
  69
  70 #define CARDSLOT_STATUS_CARD_MASK     0x07
  71 #define CARDSLOT_STATUS_CARD_NONE     0x00  /* NO card inserted */
  72 #define CARDSLOT_STATUS_CARD_16       0x01  /* 16-bit pcmcia card inserted */
  73 #define CARDSLOT_STATUS_CARD_CB       0x02  /* CardBus pcmcia card inserted */
  74 #define CARDSLOT_STATUS_UNKNOWN       0x07  /* Unknown card inserted */
  75
  76 #define CARDSLOT_CARDTYPE(x) ((x) & CARDSLOT_STATUS_CARD_MASK)
  77 #define CARDSLOT_SET_CARDTYPE(x, type) \
  78         do {(x) &= ~CARDSLOT_STATUS_CARD_MASK;\
  79             (x) |= (CARDSLOT_STATUS_CARD_MASK & (type));} while(0)
  80
  81 #define CARDSLOT_STATUS_WORK_MASK     0x08
  82 #define CARDSLOT_STATUS_WORKING       0x08  /* at least one function works */
  83 #define CARDSLOT_STATUS_NOTWORK       0x00  /* no functions are working */
  84
  85 #define CARDSLOT_WORK(x) ((x) & CARDSLOT_STATUS_WORK_MASK)
  86 #define CARDSLOT_SET_WORK(x, type) \
  87         do {(x) &= ~CARDSLOT_STATUS_WORK_MASK;\
  88             (x) |= (CARDSLOT_STATUS_WORK_MASK & (type));} while(0)
  89
  90
  91 struct cardslot_event {
  92         SIMPLEQ_ENTRY(cardslot_event) ce_q;
  93
  94         int ce_type;
  95 };
  96
  97 /* ce_type */
  98 #define CARDSLOT_EVENT_INSERTION_16     0
  99 #define CARDSLOT_EVENT_REMOVAL_16       1
 100
 101 #define CARDSLOT_EVENT_INSERTION_CB     2
 102 #define CARDSLOT_EVENT_REMOVAL_CB       3
 103
 104 #define IS_CARDSLOT_INSERT_REMOVE_EV(x) (0 <= (x) && (x) <= 3)
 105
 106 void cardslot_event_throw(struct cardslot_softc *, int);
 107
 108 #endif /* !_DEV_CARDBUS_CARDSLOTVAR_H_ */