tmc18c30_pccard.c revision 85962 
1/*	$FreeBSD: head/sys/dev/stg/tmc18c30_pccard.c 85962 2001-11-03 08:55:34Z non $	*/
2/*	$NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 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) 1996, 1997, 1998
12 *	NetBSD/pc98 porting staff. All rights reserved.
13 *  Copyright (c) 1996, 1997, 1998
14 *	Naofumi HONDA. All rights reserved.
15 *  Copyright (c) 1996, 1997, 1998
16 *	Kouichi Matsuda. All rights reserved.
17 *
18 *  Redistribution and use in source and binary forms, with or without
19 *  modification, are permitted provided that the following conditions
20 *  are met:
21 *  1. Redistributions of source code must retain the above copyright
22 *     notice, this list of conditions and the following disclaimer.
23 *  2. Redistributions in binary form must reproduce the above copyright
24 *     notice, this list of conditions and the following disclaimer in the
25 *     documentation and/or other materials provided with the distribution.
26 *  3. The name of the author may not be used to endorse or promote products
27 *     derived from this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
30 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
31 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
32 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
38 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
40 */
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/disklabel.h>
45#if defined(__FreeBSD__) && __FreeBSD_version >= 500001
46#include <sys/bio.h>
47#endif
48#include <sys/buf.h>
49#include <sys/queue.h>
50#include <sys/malloc.h>
51#include <sys/errno.h>
52
53#include <vm/vm.h>
54
55#include <machine/bus.h>
56#include <machine/bus_pio.h>
57#include <machine/dvcfg.h>
58
59#include <sys/device_port.h>
60
61#include <cam/scsi/scsi_low.h>
62#include <cam/scsi/scsi_low_pisa.h>
63
64#include <dev/stg/tmc18c30reg.h>
65#include <dev/stg/tmc18c30var.h>
66
67#define	STG_HOSTID	7
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	stgprobe(DEVPORT_PDEVICE devi);
78static	int	stgattach(DEVPORT_PDEVICE devi);
79
80static	void	stg_card_unload	__P((DEVPORT_PDEVICE));
81
82/*
83 * Additional code for FreeBSD new-bus PCCard frontend
84 */
85
86static void
87stg_pccard_intr(void * arg)
88{
89	stgintr(arg);
90}
91
92static void
93stg_release_resource(DEVPORT_PDEVICE dev)
94{
95	struct stg_softc	*sc = device_get_softc(dev);
96
97	if (sc->stg_intrhand) {
98		bus_teardown_intr(dev, sc->irq_res, sc->stg_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->irq_res) {
107		bus_release_resource(dev, SYS_RES_IRQ,
108				     sc->irq_rid, sc->irq_res);
109	}
110
111	if (sc->mem_res) {
112		bus_release_resource(dev, SYS_RES_MEMORY,
113				     sc->mem_rid, sc->mem_res);
114	}
115}
116
117static int
118stg_alloc_resource(DEVPORT_PDEVICE dev)
119{
120	struct stg_softc	*sc = device_get_softc(dev);
121	u_long			ioaddr, iosize, maddr, msize;
122	int			error;
123
124	error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
125	if (error || iosize < STGIOSZ) {
126		return(ENOMEM);
127	}
128
129	sc->port_rid = 0;
130	sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
131					  0, ~0, STGIOSZ, RF_ACTIVE);
132	if (sc->port_res == NULL) {
133		stg_release_resource(dev);
134		return(ENOMEM);
135	}
136
137	sc->irq_rid = 0;
138	sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
139					 0, ~0, 1, RF_ACTIVE);
140	if (sc->irq_res == NULL) {
141		stg_release_resource(dev);
142		return(ENOMEM);
143	}
144
145	error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
146	if (error) {
147		return(0);      /* XXX */
148	}
149
150	/* no need to allocate memory if not configured */
151	if (maddr == 0 || msize == 0) {
152		return(0);
153	}
154
155	sc->mem_rid = 0;
156	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
157					 0, ~0, 1, RF_ACTIVE);
158	if (sc->mem_res == NULL) {
159		stg_release_resource(dev);
160		return(ENOMEM);
161	}
162
163	return(0);
164}
165
166static int
167stg_pccard_probe(DEVPORT_PDEVICE dev)
168{
169	struct stg_softc	*sc = device_get_softc(dev);
170	int			error;
171
172	bzero(sc, sizeof(struct stg_softc));
173
174	error = stg_alloc_resource(dev);
175	if (error) {
176		return(error);
177	}
178
179	if (stgprobe(dev) == 0) {
180		stg_release_resource(dev);
181		return(ENXIO);
182	}
183
184	stg_release_resource(dev);
185
186	return(0);
187}
188
189static int
190stg_pccard_attach(DEVPORT_PDEVICE dev)
191{
192	struct stg_softc	*sc = device_get_softc(dev);
193	int			error;
194
195	error = stg_alloc_resource(dev);
196	if (error) {
197		return(error);
198	}
199
200	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
201			       stg_pccard_intr, (void *)sc, &sc->stg_intrhand);
202	if (error) {
203		stg_release_resource(dev);
204		return(error);
205	}
206
207	if (stgattach(dev) == 0) {
208		stg_release_resource(dev);
209		return(ENXIO);
210	}
211
212	return(0);
213}
214
215static	void
216stg_pccard_detach(DEVPORT_PDEVICE dev)
217{
218	stg_card_unload(dev);
219	stg_release_resource(dev);
220}
221
222static device_method_t stg_pccard_methods[] = {
223	/* Device interface */
224	DEVMETHOD(device_probe,		stg_pccard_probe),
225	DEVMETHOD(device_attach,	stg_pccard_attach),
226	DEVMETHOD(device_detach,	stg_pccard_detach),
227
228	{ 0, 0 }
229};
230
231static driver_t stg_pccard_driver = {
232	"stg",
233	stg_pccard_methods,
234	sizeof(struct stg_softc),
235};
236
237static devclass_t stg_devclass;
238
239DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0);
240
241static	void
242stg_card_unload(DEVPORT_PDEVICE devi)
243{
244	struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
245	intrmask_t s;
246
247	printf("%s: unload\n",sc->sc_sclow.sl_xname);
248	s = splcam();
249	scsi_low_deactivate((struct scsi_low_softc *)sc);
250        scsi_low_dettach(&sc->sc_sclow);
251	splx(s);
252}
253
254static	int
255stgprobe(DEVPORT_PDEVICE devi)
256{
257	int rv;
258	struct stg_softc *sc = device_get_softc(devi);
259
260	rv = stgprobesubr(rman_get_bustag(sc->port_res),
261			  rman_get_bushandle(sc->port_res),
262			  DEVPORT_PDEVFLAGS(devi));
263
264	return rv;
265}
266
267static	int
268stgattach(DEVPORT_PDEVICE devi)
269{
270	struct stg_softc *sc;
271	struct scsi_low_softc *slp;
272	u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
273	u_int iobase = DEVPORT_PDEVIOBASE(devi);
274	intrmask_t s;
275	char	dvname[16];
276
277	strcpy(dvname,"stg");
278
279	if (iobase == 0)
280	{
281		printf("%s: no ioaddr is given\n", dvname);
282		return (0);
283	}
284
285	sc = DEVPORT_PDEVALLOC_SOFTC(devi);
286	if (sc == NULL) {
287		return(0);
288	}
289
290	slp = &sc->sc_sclow;
291	slp->sl_dev = devi;
292	sc->sc_iot = rman_get_bustag(sc->port_res);
293	sc->sc_ioh = rman_get_bushandle(sc->port_res);
294
295	slp->sl_hostid = STG_HOSTID;
296	slp->sl_cfgflags = flags;
297
298	s = splcam();
299	stgattachsubr(sc);
300	splx(s);
301
302	return(STGIOSZ);
303}
304