tmc18c30_pccard.c revision 71474 
1/*	$FreeBSD: head/sys/dev/stg/tmc18c30_pccard.c 71474 2001-01-23 22:18:07Z jhb $	*/
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
57#include <machine/bus_pio.h>
58#include <i386/isa/isa_device.h>
59
60#include <machine/dvcfg.h>
61
62#if defined(__FreeBSD__) && __FreeBSD_version < 400001
63static struct stg_softc *stg_get_softc(int);
64extern struct stg_softc *stgdata[];
65#define DEVPORT_ALLOCSOFTCFUNC stg_get_softc
66#define DEVPORT_SOFTCARRAY     stgdata
67#endif
68#include <sys/device_port.h>
69
70#include <cam/scsi/scsi_low.h>
71#include <cam/scsi/scsi_low_pisa.h>
72
73#include <dev/stg/tmc18c30reg.h>
74#include <dev/stg/tmc18c30var.h>
75#if defined(__FreeBSD__) && __FreeBSD_version < 400001
76#include "stg.h"
77#endif
78
79#define	STG_HOSTID	7
80
81/* pccard support */
82#include	"card.h"
83#if NCARD > 0
84#include	<sys/kernel.h>
85#include	<sys/module.h>
86#if !defined(__FreeBSD__) || __FreeBSD_version < 500014
87#include	<sys/select.h>
88#endif
89#include	<pccard/cardinfo.h>
90#include	<pccard/slot.h>
91
92static	int	stgprobe(DEVPORT_PDEVICE devi);
93static	int	stgattach(DEVPORT_PDEVICE devi);
94
95static	void	stg_card_unload	__P((DEVPORT_PDEVICE));
96#if defined(__FreeBSD__) && __FreeBSD_version < 400001
97static	int	stg_card_init	__P((DEVPORT_PDEVICE));
98static	int	stg_card_intr	__P((DEVPORT_PDEVICE));
99#endif
100
101#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
102/*
103 * Additional code for FreeBSD new-bus PCCard frontend
104 */
105
106static void
107stg_pccard_intr(void * arg)
108{
109	stgintr(arg);
110}
111
112static void
113stg_release_resource(DEVPORT_PDEVICE dev)
114{
115	struct stg_softc	*sc = device_get_softc(dev);
116
117	if (sc->stg_intrhand) {
118		bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
119	}
120
121	if (sc->port_res) {
122		bus_release_resource(dev, SYS_RES_IOPORT,
123				     sc->port_rid, sc->port_res);
124	}
125
126	if (sc->irq_res) {
127		bus_release_resource(dev, SYS_RES_IRQ,
128				     sc->irq_rid, sc->irq_res);
129	}
130
131	if (sc->mem_res) {
132		bus_release_resource(dev, SYS_RES_MEMORY,
133				     sc->mem_rid, sc->mem_res);
134	}
135}
136
137static int
138stg_alloc_resource(DEVPORT_PDEVICE dev)
139{
140	struct stg_softc	*sc = device_get_softc(dev);
141	u_long			maddr, msize;
142	int			error;
143
144	sc->port_rid = 0;
145	sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
146					  0, ~0, STGIOSZ, RF_ACTIVE);
147	if (sc->port_res == NULL) {
148		stg_release_resource(dev);
149		return(ENOMEM);
150	}
151
152	sc->irq_rid = 0;
153	sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
154					 0, ~0, 1, RF_ACTIVE);
155	if (sc->irq_res == NULL) {
156		stg_release_resource(dev);
157		return(ENOMEM);
158	}
159
160	error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
161	if (error) {
162		return(0);      /* XXX */
163	}
164
165	/* no need to allocate memory if not configured */
166	if (maddr == 0 || msize == 0) {
167		return(0);
168	}
169
170	sc->mem_rid = 0;
171	sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
172					 0, ~0, msize, RF_ACTIVE);
173	if (sc->mem_res == NULL) {
174		stg_release_resource(dev);
175		return(ENOMEM);
176	}
177
178	return(0);
179}
180
181static int
182stg_pccard_probe(DEVPORT_PDEVICE dev)
183{
184	struct stg_softc	*sc = device_get_softc(dev);
185	int			error;
186
187	bzero(sc, sizeof(struct stg_softc));
188
189	error = stg_alloc_resource(dev);
190	if (error) {
191		return(error);
192	}
193
194	if (stgprobe(dev) == 0) {
195		stg_release_resource(dev);
196		return(ENXIO);
197	}
198
199	stg_release_resource(dev);
200
201	return(0);
202}
203
204static int
205stg_pccard_attach(DEVPORT_PDEVICE dev)
206{
207	struct stg_softc	*sc = device_get_softc(dev);
208	int			error;
209
210	error = stg_alloc_resource(dev);
211	if (error) {
212		return(error);
213	}
214
215	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM,
216			       stg_pccard_intr, (void *)sc, &sc->stg_intrhand);
217	if (error) {
218		stg_release_resource(dev);
219		return(error);
220	}
221
222	if (stgattach(dev) == 0) {
223		stg_release_resource(dev);
224		return(ENXIO);
225	}
226
227	return(0);
228}
229
230static	void
231stg_pccard_detach(DEVPORT_PDEVICE dev)
232{
233	stg_card_unload(dev);
234	stg_release_resource(dev);
235}
236
237static device_method_t stg_pccard_methods[] = {
238	/* Device interface */
239	DEVMETHOD(device_probe,		stg_pccard_probe),
240	DEVMETHOD(device_attach,	stg_pccard_attach),
241	DEVMETHOD(device_detach,	stg_pccard_detach),
242
243	{ 0, 0 }
244};
245
246static driver_t stg_pccard_driver = {
247	"stg",
248	stg_pccard_methods,
249	sizeof(struct stg_softc),
250};
251
252static devclass_t stg_devclass;
253
254DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0);
255
256#else
257
258PCCARD_MODULE(stg, stg_card_init,stg_card_unload, stg_card_intr, 0, cam_imask);
259
260#endif
261
262#if defined(__FreeBSD__) && __FreeBSD_version < 400001
263static struct stg_softc *
264stg_get_softc(int unit)
265{
266	struct stg_softc *sc;
267
268	if (unit >= NSTG) {
269		return(NULL);
270	}
271
272	if (stgdata[unit] == NULL) {
273		sc = malloc(sizeof(struct stg_softc), M_TEMP,M_NOWAIT);
274		if (sc == NULL) {
275			printf("stg_get_softc: cannot malloc!\n");
276			return(NULL);
277		}
278		stgdata[unit] = sc;
279	} else {
280		sc = stgdata[unit];
281	}
282
283	return(sc);
284}
285
286static	int
287stg_card_init(DEVPORT_PDEVICE devi)
288{
289	int unit = DEVPORT_PDEVUNIT(devi);
290
291	if (NSTG <= unit)
292		return (ENODEV);
293
294	printf("probe stg\n");
295	if (stgprobe(devi) == 0)
296		return (ENXIO);
297
298	printf("attach stg\n");
299	if (stgattach(devi) == 0)
300		return (ENXIO);
301
302	return (0);
303}
304
305static	int
306stg_card_intr(DEVPORT_PDEVICE devi)
307{
308	stgintr(DEVPORT_PDEVGET_SOFTC(devi));
309	return 1;
310}
311#endif
312
313static	void
314stg_card_unload(DEVPORT_PDEVICE devi)
315{
316	struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
317
318	printf("%s: unload\n",sc->sc_sclow.sl_xname);
319	scsi_low_deactivate((struct scsi_low_softc *)sc);
320        scsi_low_dettach(&sc->sc_sclow);
321}
322
323static	int
324stgprobe(DEVPORT_PDEVICE devi)
325{
326	int rv;
327#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
328	struct stg_softc *sc = device_get_softc(devi);
329
330	rv = stgprobesubr(rman_get_bustag(sc->port_res),
331			  rman_get_bushandle(sc->port_res),
332			  DEVPORT_PDEVFLAGS(devi));
333#else
334	rv = stgprobesubr(I386_BUS_SPACE_IO,
335			  DEVPORT_PDEVIOBASE(devi), DEVPORT_PDEVFLAGS(devi));
336#endif
337
338	return rv;
339}
340
341static	int
342stgattach(DEVPORT_PDEVICE devi)
343{
344#if defined(__FreeBSD__) && __FreeBSD_version < 400001
345	int unit = DEVPORT_PDEVUNIT(devi);
346#endif
347	struct stg_softc *sc;
348	struct scsi_low_softc *slp;
349	u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
350	u_int iobase = DEVPORT_PDEVIOBASE(devi);
351
352	char	dvname[16];
353
354	strcpy(dvname,"stg");
355
356#if defined(__FreeBSD__) && __FreeBSD_version < 400001
357	if (unit >= NSTG)
358	{
359		printf("%s: unit number too high\n",dvname);
360		return (0);
361	}
362#endif
363
364	if (iobase == 0)
365	{
366		printf("%s: no ioaddr is given\n", dvname);
367		return (0);
368	}
369
370	sc = DEVPORT_PDEVALLOC_SOFTC(devi);
371	if (sc == NULL) {
372		return(0);
373	}
374
375	slp = &sc->sc_sclow;
376#if defined(__FreeBSD__) && __FreeBSD_version >= 400001
377	slp->sl_dev = devi;
378	sc->sc_iot = rman_get_bustag(sc->port_res);
379	sc->sc_ioh = rman_get_bushandle(sc->port_res);
380#else
381	bzero(sc, sizeof(struct stg_softc));
382	strcpy(slp->sl_dev.dv_xname, dvname);
383	slp->sl_dev.dv_unit = unit;
384	sc->sc_iot = I386_BUS_SPACE_IO;
385	sc->sc_ioh = iobase;
386#endif
387
388	slp->sl_hostid = STG_HOSTID;
389	slp->sl_cfgflags = flags;
390
391	stgattachsubr(sc);
392
393	sc->sc_ih = stgintr;
394
395	return(STGIOSZ);
396}
397#endif /* NCARD>0 */
398