ncr53c500_pccard.c revision 87983 
1/*	$FreeBSD: head/sys/dev/ncv/ncr53c500_pccard.c 87983 2001-12-15 12:32:23Z non $	*/
2/*	$NecBSD: ncr53c500_pisa.c,v 1.28 1998/11/26 01:59:11 honda Exp $	*/
3/*	$NetBSD$	*/
4
5/*
6 * [Ported for FreeBSD]
7 *  Copyright (c) 2000
8 *      Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
9 *      All rights reserved.
10 * [NetBSD for NEC PC-98 series]
11 *  Copyright (c) 1995, 1996, 1997, 1998
12 *	NetBSD/pc98 porting staff. All rights reserved.
13 *  Copyright (c) 1995, 1996, 1997, 1998
14 *	Naofumi HONDA. All rights reserved.
15 *
16 *  Redistribution and use in source and binary forms, with or without
17 *  modification, are permitted provided that the following conditions
18 *  are met:
19 *  1. Redistributions of source code must retain the above copyright
20 *     notice, this list of conditions and the following disclaimer.
21 *  2. Redistributions in binary form must reproduce the above copyright
22 *     notice, this list of conditions and the following disclaimer in the
23 *     documentation and/or other materials provided with the distribution.
24 *  3. The name of the author may not be used to endorse or promote products
25 *     derived from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
28 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
29 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
30 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
31 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
32 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
33 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/disklabel.h>
43#if defined(__FreeBSD__) && __FreeBSD_version >= 500001
44#include <sys/bio.h>
45#endif
46#include <sys/buf.h>
47#include <sys/queue.h>
48#include <sys/malloc.h>
49#include <sys/errno.h>
50
51#include <vm/vm.h>
52
53#include <machine/bus.h>
54#include <machine/bus_pio.h>
55#include <machine/dvcfg.h>
56
57#include <sys/device_port.h>
58
59#include <cam/scsi/scsi_low.h>
60#include <cam/scsi/scsi_low_pisa.h>
61
62#include <dev/ncv/ncr53c500reg.h>
63#include <dev/ncv/ncr53c500hw.h>
64#include <dev/ncv/ncr53c500var.h>
65
66#define KME_KXLC004_01 0x100
67#define OFFSET_KME_KXLC004_01 0x10
68
69#include	<sys/kernel.h>
70#include	<sys/module.h>
71#if !defined(__FreeBSD__) || __FreeBSD_version < 500014
72#include	<sys/select.h>
73#endif
74#include	<pccard/cardinfo.h>
75#include	<pccard/slot.h>
76
77static int ncvprobe(DEVPORT_PDEVICE devi);
78static int ncvattach(DEVPORT_PDEVICE devi);
79
80static void	ncv_card_unload __P((DEVPORT_PDEVICE));
81
82/*
83 * Additional code for FreeBSD new-bus PCCard frontend
84 */
85
86static void
87ncv_pccard_intr(void * arg)
88{
89	ncvintr(arg);
90}
91
92static void
93ncv_release_resource(DEVPORT_PDEVICE dev)
94{
95	struct ncv_softc	*sc = device_get_softc(dev);
96
97	if (sc->ncv_intrhand) {
98		bus_teardown_intr(dev, sc->irq_res, sc->ncv_intrhand);
99	}
100
101	if (sc->port_res) {
102		bus_release_resource(dev, SYS_RES_IOPORT,
103				     sc->port_rid, sc->port_res);
104	}
105
106	if (sc->port_res_dmy) {
107		bus_release_resource(dev, SYS_RES_IOPORT,
108				     sc->port_rid_dmy, sc->port_res_dmy);
109	}
110
111	if (sc->irq_res) {
112		bus_release_resource(dev, SYS_RES_IRQ,
113				     sc->irq_rid, sc->irq_res);
114	}
115
116	if (sc->mem_res) {
117		bus_release_resource(dev, SYS_RES_MEMORY,
118				     sc->mem_rid, sc->mem_res);
119	}
120}
121
122static int
123ncv_alloc_resource(DEVPORT_PDEVICE dev)
124{
125	struct ncv_softc	*sc = device_get_softc(dev);
126	u_int32_t		flags = DEVPORT_PDEVFLAGS(dev);
127	u_long			ioaddr, iosize, maddr, msize;
128	int			error;
129	bus_addr_t		offset = 0;
130
131	if(flags & KME_KXLC004_01)
132		offset = OFFSET_KME_KXLC004_01;
133
134	error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
135	if (error || (iosize < (offset + NCVIOSZ))) {
136		return(ENOMEM);
137	}
138
139	sc->port_rid = 0;
140	sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
141					  ioaddr+offset, ioaddr+iosize-offset,
142					  iosize-offset, RF_ACTIVE);
143	if (sc->port_res == NULL) {
144		ncv_release_resource(dev);
145		return(ENOMEM);
146	}
147
148	if (offset != 0) {
149		sc->port_rid_dmy = 0;
150		sc->port_res_dmy = bus_alloc_resource(dev, SYS_RES_IOPORT,
151						&sc->port_rid_dmy,
152						ioaddr, ioaddr+offset, offset,
153						RF_ACTIVE);
154		if (sc->port_res_dmy == NULL) {
155			printf("Warning: cannot allocate IOPORT partially.\n");
156		}
157	} else {
158		sc->port_rid_dmy = 0;
159		sc->port_res_dmy = NULL;
160	}
161
162	sc->irq_rid = 0;
163	sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
164					 0, ~0, 1, RF_ACTIVE);
165	if (sc->irq_res == NULL) {
166		ncv_release_resource(dev);
167		return(ENOMEM);
168	}
169
170	error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
171	if (error) {
172		return(0);	/* XXX */
173	}
174
175	/* no need to allocate memory if not configured */
176	if (maddr == 0 || msize == 0) {
177		return(0);
178	}
179
180	sc->mem_rid = 0;
181	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
182					 0, ~0, 1, RF_ACTIVE);
183	if (sc->mem_res == NULL) {
184		ncv_release_resource(dev);
185		return(ENOMEM);
186	}
187
188	return(0);
189}
190
191static int
192ncv_pccard_probe(DEVPORT_PDEVICE dev)
193{
194	struct ncv_softc	*sc = device_get_softc(dev);
195	int			error;
196
197	bzero(sc, sizeof(struct ncv_softc));
198
199	error = ncv_alloc_resource(dev);
200	if (error) {
201		return(error);
202	}
203
204	if (ncvprobe(dev) == 0) {
205		ncv_release_resource(dev);
206		return(ENXIO);
207	}
208
209	ncv_release_resource(dev);
210
211	return(0);
212}
213
214static int
215ncv_pccard_attach(DEVPORT_PDEVICE dev)
216{
217	struct ncv_softc	*sc = device_get_softc(dev);
218	int			error;
219
220	error = ncv_alloc_resource(dev);
221	if (error) {
222		return(error);
223	}
224
225	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
226			       ncv_pccard_intr, (void *)sc, &sc->ncv_intrhand);
227	if (error) {
228		ncv_release_resource(dev);
229		return(error);
230	}
231
232	if (ncvattach(dev) == 0) {
233		ncv_release_resource(dev);
234		return(ENXIO);
235	}
236
237	return(0);
238}
239
240static	void
241ncv_pccard_detach(DEVPORT_PDEVICE dev)
242{
243	ncv_card_unload(dev);
244	ncv_release_resource(dev);
245}
246
247static device_method_t ncv_pccard_methods[] = {
248	/* Device interface */
249	DEVMETHOD(device_probe,		ncv_pccard_probe),
250	DEVMETHOD(device_attach,	ncv_pccard_attach),
251	DEVMETHOD(device_detach,	ncv_pccard_detach),
252
253	{ 0, 0 }
254};
255
256static driver_t ncv_pccard_driver = {
257	"ncv",
258	ncv_pccard_methods,
259	sizeof(struct ncv_softc),
260};
261
262static devclass_t ncv_devclass;
263
264MODULE_DEPEND(ncv, scsi_low, 1, 1, 1);
265DRIVER_MODULE(ncv, pccard, ncv_pccard_driver, ncv_devclass, 0, 0);
266
267static void
268ncv_card_unload(DEVPORT_PDEVICE devi)
269{
270	struct ncv_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
271	intrmask_t s;
272
273	printf("%s: unload\n", sc->sc_sclow.sl_xname);
274	s = splcam();
275	scsi_low_deactivate((struct scsi_low_softc *)sc);
276        scsi_low_dettach(&sc->sc_sclow);
277	splx(s);
278}
279
280static int
281ncvprobe(DEVPORT_PDEVICE devi)
282{
283	int rv;
284	struct ncv_softc *sc = device_get_softc(devi);
285	u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
286
287	rv = ncvprobesubr(rman_get_bustag(sc->port_res),
288			  rman_get_bushandle(sc->port_res),
289			  flags, NCV_HOSTID);
290
291	return rv;
292}
293
294static int
295ncvattach(DEVPORT_PDEVICE devi)
296{
297	struct ncv_softc *sc;
298	struct scsi_low_softc *slp;
299	u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
300	intrmask_t s;
301	char dvname[16]; /* SCSI_LOW_DVNAME_LEN */
302
303	strcpy(dvname, "ncv");
304
305	sc = DEVPORT_PDEVALLOC_SOFTC(devi);
306	if (sc == NULL) {
307		return(0);
308	}
309
310	slp = &sc->sc_sclow;
311	slp->sl_dev = devi;
312	sc->sc_iot = rman_get_bustag(sc->port_res);
313	sc->sc_ioh = rman_get_bushandle(sc->port_res);
314
315	slp->sl_hostid = NCV_HOSTID;
316	slp->sl_cfgflags = flags;
317
318	s = splcam();
319	ncvattachsubr(sc);
320	splx(s);
321
322	return(NCVIOSZ);
323}
324