sys/dev/isa/pcppivar.h

   1 /* $NetBSD: pcppivar.h,v 1.8 2008/01/10 07:58:39 dyoung Exp $ */
   2
   3 /*
   4  * Copyright (c) 1996 Carnegie-Mellon University.
   5  * All rights reserved.
   6  *
   7  * Author: Chris G. Demetriou
   8  *
   9  * Permission to use, copy, modify and distribute this software and
  10  * its documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie the
  27  * rights to redistribute these changes.
  28  */
  29
  30 #ifndef _PCPPIVAR_H_
  31 #define _PCPPIVAR_H_
  32
  33 typedef void *pcppi_tag_t;
  34
  35 struct pcppi_attach_args {
  36         pcppi_tag_t pa_cookie;
  37 };
  38
  39 struct pcppi_softc {
  40         device_t sc_dv;
  41
  42         bus_space_tag_t sc_iot;
  43         bus_space_handle_t sc_ppi_ioh;
  44         bus_size_t sc_size;
  45         device_t sc_timer;
  46
  47         struct callout sc_bell_ch;
  48
  49         int sc_bellactive, sc_bellpitch;
  50         int sc_slp;
  51         int sc_timeout;
  52 };
  53
  54 void pcppi_attach(struct pcppi_softc *);
  55 int pcppi_detach(device_t, int);
  56
  57 #define PCPPI_BELL_SLEEP        0x01    /* synchronous; sleep for complete */
  58 #define PCPPI_BELL_POLL         0x02    /* synchronous; poll for complete */
  59
  60 void pcppi_bell(pcppi_tag_t, int, int, int);
  61
  62 #endif /* ! _PCPPIVAR_H_ */