spc_pcmcia.c revision 1.12
1/*	$NetBSD: spc_pcmcia.c,v 1.12 2004/08/10 22:49:12 mycroft Exp $	*/
2
3/*-
4 * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include <sys/cdefs.h>
40__KERNEL_RCSID(0, "$NetBSD: spc_pcmcia.c,v 1.12 2004/08/10 22:49:12 mycroft Exp $");
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/device.h>
45#include <sys/buf.h>
46
47#include <machine/bus.h>
48#include <machine/intr.h>
49
50#include <dev/scsipi/scsi_all.h>
51#include <dev/scsipi/scsipi_all.h>
52#include <dev/scsipi/scsiconf.h>
53
54#include <dev/pcmcia/pcmciareg.h>
55#include <dev/pcmcia/pcmciavar.h>
56#include <dev/pcmcia/pcmciadevs.h>
57
58#include <dev/ic/mb89352var.h>
59
60struct spc_pcmcia_softc {
61	struct spc_softc	sc_spc;		/* glue to MI code */
62
63	/* PCMCIA-specific goo. */
64	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
65	void *sc_ih;				/* interrupt handler */
66
67	int sc_state;
68#define	SPC_PCMCIA_ATTACHED	3
69};
70
71int	spc_pcmcia_match __P((struct device *, struct cfdata *, void *));
72int	spc_pcmcia_validate_config __P((struct pcmcia_config_entry *));
73void	spc_pcmcia_attach __P((struct device *, struct device *, void *));
74int	spc_pcmcia_detach __P((struct device *, int));
75int	spc_pcmcia_enable __P((struct device *, int));
76
77CFATTACH_DECL(spc_pcmcia, sizeof(struct spc_pcmcia_softc),
78    spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, spc_activate);
79
80const struct pcmcia_product spc_pcmcia_products[] = {
81	{ PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600,
82	  PCMCIA_CIS_FUJITSU_SCSI600 },
83};
84const size_t spc_pcmcia_nproducts =
85    sizeof(spc_pcmcia_products) / sizeof(spc_pcmcia_products[0]);
86
87int
88spc_pcmcia_match(parent, match, aux)
89	struct device *parent;
90	struct cfdata *match;
91	void *aux;
92{
93	struct pcmcia_attach_args *pa = aux;
94
95	if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts,
96	    sizeof(spc_pcmcia_products[0]), NULL))
97		return (1);
98	return (0);
99}
100
101int
102spc_pcmcia_validate_config(cfe)
103	struct pcmcia_config_entry *cfe;
104{
105	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
106	    cfe->num_memspace != 0 ||
107	    cfe->num_iospace != 1)
108		return (EINVAL);
109	return (0);
110}
111
112void
113spc_pcmcia_attach(parent, self, aux)
114	struct device *parent, *self;
115	void *aux;
116{
117	struct spc_pcmcia_softc *sc = (void *)self;
118	struct spc_softc *spc = (void *)self;
119	struct pcmcia_attach_args *pa = aux;
120	struct pcmcia_config_entry *cfe;
121	struct pcmcia_function *pf = pa->pf;
122	int error;
123
124	sc->sc_pf = pf;
125
126	error = pcmcia_function_configure(pf, spc_pcmcia_validate_config);
127	if (error) {
128		aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
129		    error);
130		return;
131	}
132
133	cfe = pf->cfe;
134	spc->sc_iot = cfe->iospace[0].handle.iot;
135	spc->sc_ioh = cfe->iospace[0].handle.ioh;
136
137	error = spc_pcmcia_enable(self, 1);
138	if (error)
139		goto fail;
140
141	spc->sc_initiator = 7; /* XXX */
142	spc->sc_adapter.adapt_enable = spc_pcmcia_enable;
143	spc->sc_adapter.adapt_refcnt = 1;
144
145	/*
146	 *  Initialize nca board itself.
147	 */
148	spc_attach(spc);
149	scsipi_adapter_delref(&spc->sc_adapter);
150	sc->sc_state = SPC_PCMCIA_ATTACHED;
151	return;
152
153fail:
154	pcmcia_function_unconfigure(pf);
155}
156
157int
158spc_pcmcia_detach(self, flags)
159	struct device *self;
160	int flags;
161{
162	struct spc_pcmcia_softc *sc = (void *)self;
163	int error;
164
165	if (sc->sc_state != SPC_PCMCIA_ATTACHED)
166		return (0);
167
168	error = spc_detach(self, flags);
169	if (error)
170		return (error);
171
172	pcmcia_function_unconfigure(sc->sc_pf);
173
174	return (0);
175}
176
177int
178spc_pcmcia_enable(arg, onoff)
179	struct device *arg;
180	int onoff;
181{
182	struct spc_pcmcia_softc *sc = (void *)arg;
183	int error;
184
185	if (onoff) {
186		/* Establish the interrupt handler. */
187		sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
188		    spc_intr, &sc->sc_spc);
189		if (!sc->sc_ih)
190			return (EIO);
191
192		error = pcmcia_function_enable(sc->sc_pf);
193		if (error) {
194			pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
195			sc->sc_ih = 0;
196			return (error);
197		}
198
199		/* Initialize only chip.  */
200		spc_init(&sc->sc_spc, 0);
201	} else {
202		pcmcia_function_disable(sc->sc_pf);
203		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
204		sc->sc_ih = 0;
205	}
206
207	return (0);
208}
209