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      1 /*	$NetBSD: cardslotvar.h,v 1.17 2021/04/17 01:19:48 mrg 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 	/* Safely handle detach. */
     70 	kmutex_t sc_event_lock;
     71 	kcondvar_t sc_event_cv;
     72 };
     73 
     74 #define CARDSLOT_STATUS_CARD_MASK     0x07
     75 #define CARDSLOT_STATUS_CARD_NONE     0x00  /* NO card inserted */
     76 #define CARDSLOT_STATUS_CARD_16	      0x01  /* 16-bit pcmcia card inserted */
     77 #define CARDSLOT_STATUS_CARD_CB	      0x02  /* CardBus pcmcia card inserted */
     78 #define CARDSLOT_STATUS_UNKNOWN	      0x07  /* Unknown card inserted */
     79 
     80 #define CARDSLOT_CARDTYPE(x) ((x) & CARDSLOT_STATUS_CARD_MASK)
     81 #define CARDSLOT_SET_CARDTYPE(x, type) \
     82 	do {(x) &= ~CARDSLOT_STATUS_CARD_MASK;\
     83 	    (x) |= (CARDSLOT_STATUS_CARD_MASK & (type));} while(0)
     84 
     85 #define CARDSLOT_STATUS_WORK_MASK     0x08
     86 #define CARDSLOT_STATUS_WORKING	      0x08  /* at least one function works */
     87 #define CARDSLOT_STATUS_NOTWORK	      0x00  /* no functions are working */
     88 
     89 #define CARDSLOT_WORK(x) ((x) & CARDSLOT_STATUS_WORK_MASK)
     90 #define CARDSLOT_SET_WORK(x, type) \
     91 	do {(x) &= ~CARDSLOT_STATUS_WORK_MASK;\
     92 	    (x) |= (CARDSLOT_STATUS_WORK_MASK & (type));} while(0)
     93 
     94 
     95 struct cardslot_event {
     96 	SIMPLEQ_ENTRY(cardslot_event) ce_q;
     97 
     98 	int ce_type;
     99 };
    100 
    101 /* ce_type */
    102 #define	CARDSLOT_EVENT_INSERTION_16	0
    103 #define	CARDSLOT_EVENT_REMOVAL_16	1
    104 
    105 #define	CARDSLOT_EVENT_INSERTION_CB	2
    106 #define	CARDSLOT_EVENT_REMOVAL_CB	3
    107 
    108 #define IS_CARDSLOT_INSERT_REMOVE_EV(x) (0 <= (x) && (x) <= 3)
    109 
    110 void cardslot_event_throw(struct cardslot_softc *, int);
    111 
    112 #endif /* !_DEV_CARDBUS_CARDSLOTVAR_H_ */
    113