xref: /openbsd/sys/arch/hppa/gsc/gscbusvar.h (revision 898184e3)
1 /*	$OpenBSD: gscbusvar.h,v 1.14 2010/11/28 20:09:40 miod Exp $	*/
2 
3 /*
4  * Copyright (c) 1998-2004 Michael Shalayeff
5  * 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 OR HIS RELATIVES 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 MIND, 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
25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 struct gscbus_ic {
30 	enum {gsc_unknown = 0, gsc_lasi, gsc_wax, gsc_asp} gsc_type;
31 	void *gsc_dv;
32 	volatile void *gsc_base;
33 };
34 
35 struct gsc_attach_args {
36 	struct confargs ga_ca;
37 #define	ga_name		ga_ca.ca_name
38 #define	ga_iot		ga_ca.ca_iot
39 #define	ga_dp		ga_ca.ca_dp
40 #define	ga_type		ga_ca.ca_type
41 #define	ga_hpa		ga_ca.ca_hpa
42 #define	ga_hpamask	ga_ca.ca_hpamask
43 #define	ga_dmatag	ga_ca.ca_dmatag
44 #define	ga_irq		ga_ca.ca_irq
45 #define	ga_pdc_iodc_read	ga_ca.ca_pdc_iodc_read
46 	struct gscbus_ic *ga_ic;	/* IC pointer */
47 };
48 
49 struct gsc_softc {
50 	struct  device sc_dev;
51 	void *sc_ih;
52 
53 	bus_space_tag_t sc_iot;
54 	struct gscbus_ic *sc_ic;
55 };
56 
57 void *gsc_intr_establish(struct gsc_softc *sc, int irq, int pri,
58     int (*handler)(void *v), void *arg, const char *name);
59 void gsc_intr_disestablish(struct gsc_softc *sc, void *v);
60 int gsc_intr(void *);
61 
62 int gscprint(void *, const char *);
63