1/*	$NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $	*/
2/*	$NetBSD$	*/
3
4/*-
5 * [Ported for FreeBSD]
6 *  Copyright (c) 2000
7 *      Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
8 *      All rights reserved.
9 * [NetBSD for NEC PC-98 series]
10 *  Copyright (c) 1998
11 *	NetBSD/pc98 porting staff. All rights reserved.
12 *
13 *  Redistribution and use in source and binary forms, with or without
14 *  modification, are permitted provided that the following conditions
15 *  are met:
16 *  1. Redistributions of source code must retain the above copyright
17 *     notice, this list of conditions and the following disclaimer.
18 *  2. Redistributions in binary form must reproduce the above copyright
19 *     notice, this list of conditions and the following disclaimer in the
20 *     documentation and/or other materials provided with the distribution.
21 *  3. The name of the author may not be used to endorse or promote products
22 *     derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD$");
39
40#include <sys/param.h>
41#include <sys/bus.h>
42#include <sys/errno.h>
43#include <sys/kernel.h>
44#include <sys/malloc.h>
45#include <sys/module.h>
46#include <sys/systm.h>
47
48#include <machine/bus.h>
49#include <machine/resource.h>
50#include <sys/rman.h>
51
52#include <sys/bus.h>
53
54#include <dev/pccard/pccardvar.h>
55
56#include <cam/scsi/scsi_low.h>
57
58#include <dev/nsp/nspreg.h>
59#include <dev/nsp/nspvar.h>
60
61#define	NSP_HOSTID	7
62
63#include "pccarddevs.h"
64
65#define	PIO_MODE 0x100		/* pd_flags */
66
67static int nspprobe(device_t devi);
68static int nspattach(device_t devi);
69
70static	void	nsp_card_unload	(device_t);
71
72const struct pccard_product nsp_products[] = {
73  	PCMCIA_CARD(IODATA3, CBSC16),
74  	PCMCIA_CARD(PANASONIC, KME),
75	PCMCIA_CARD(WORKBIT2, NINJA_SCSI3),
76	PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16),
77  	{ NULL }
78};
79
80/*
81 * Additional code for FreeBSD new-bus PC Card frontend
82 */
83
84static void
85nsp_pccard_intr(void * arg)
86{
87	nspintr(arg);
88}
89
90static void
91nsp_release_resource(device_t dev)
92{
93	struct nsp_softc	*sc = device_get_softc(dev);
94
95	if (sc->nsp_intrhand)
96		bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand);
97	if (sc->port_res)
98		bus_release_resource(dev, SYS_RES_IOPORT,
99				     sc->port_rid, sc->port_res);
100	if (sc->irq_res)
101		bus_release_resource(dev, SYS_RES_IRQ,
102				     sc->irq_rid, sc->irq_res);
103	if (sc->mem_res)
104		bus_release_resource(dev, SYS_RES_MEMORY,
105				     sc->mem_rid, sc->mem_res);
106}
107
108static int
109nsp_alloc_resource(device_t dev)
110{
111	struct nsp_softc	*sc = device_get_softc(dev);
112	u_long			ioaddr, iosize, maddr, msize;
113	int			error;
114
115	error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
116	if (error || iosize < NSP_IOSIZE)
117		return(ENOMEM);
118
119	sc->port_rid = 0;
120	sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
121					  0, ~0, NSP_IOSIZE, RF_ACTIVE);
122	if (sc->port_res == NULL) {
123		nsp_release_resource(dev);
124		return(ENOMEM);
125	}
126
127	sc->irq_rid = 0;
128	sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
129					     RF_ACTIVE);
130	if (sc->irq_res == NULL) {
131		nsp_release_resource(dev);
132		return(ENOMEM);
133	}
134
135	error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
136	if (error)
137		return(0);	/* XXX */
138
139	/* No need to allocate memory if not configured and it's in PIO mode */
140	if (maddr == 0 || msize == 0) {
141		if ((device_get_flags(dev) & PIO_MODE) == 0) {
142			printf("Memory window was not configured. Configure or use in PIO mode.");
143			nsp_release_resource(dev);
144			return(ENOMEM);
145		}
146		/* no need to allocate memory if PIO mode */
147		return(0);
148	}
149
150	sc->mem_rid = 0;
151	sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
152					     RF_ACTIVE);
153	if (sc->mem_res == NULL) {
154		nsp_release_resource(dev);
155		return(ENOMEM);
156	}
157
158	return(0);
159}
160
161static int
162nsp_pccard_probe(device_t dev)
163{
164  	const struct pccard_product *pp;
165
166	if ((pp = pccard_product_lookup(dev, nsp_products,
167	    sizeof(nsp_products[0]), NULL)) != NULL) {
168		if (pp->pp_name)
169			device_set_desc(dev, pp->pp_name);
170		return(0);
171	}
172	return(EIO);
173}
174
175static int
176nsp_pccard_attach(device_t dev)
177{
178	struct nsp_softc	*sc = device_get_softc(dev);
179	int			error;
180
181	error = nsp_alloc_resource(dev);
182	if (error)
183		return(error);
184	if (nspprobe(dev) == 0) {
185		nsp_release_resource(dev);
186		return(ENXIO);
187	}
188	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
189			       NULL, nsp_pccard_intr, (void *)sc, &sc->nsp_intrhand);
190	if (error) {
191		nsp_release_resource(dev);
192		return(error);
193	}
194	if (nspattach(dev) == 0) {
195		nsp_release_resource(dev);
196		return(ENXIO);
197	}
198
199	return(0);
200}
201
202static int
203nsp_pccard_detach(device_t dev)
204{
205	nsp_card_unload(dev);
206	nsp_release_resource(dev);
207
208	return (0);
209}
210
211static device_method_t nsp_pccard_methods[] = {
212	/* Device interface */
213	DEVMETHOD(device_probe,		nsp_pccard_probe),
214	DEVMETHOD(device_attach,	nsp_pccard_attach),
215	DEVMETHOD(device_detach,	nsp_pccard_detach),
216	{ 0, 0 }
217};
218
219static driver_t nsp_pccard_driver = {
220	"nsp",
221	nsp_pccard_methods,
222	sizeof(struct nsp_softc),
223};
224
225static devclass_t nsp_devclass;
226
227MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
228DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
229
230static void
231nsp_card_unload(device_t devi)
232{
233	struct nsp_softc *sc = device_get_softc(devi);
234	intrmask_t s;
235
236	s = splcam();
237	scsi_low_deactivate((struct scsi_low_softc *)sc);
238        scsi_low_dettach(&sc->sc_sclow);
239	splx(s);
240}
241
242static	int
243nspprobe(device_t devi)
244{
245	int rv;
246	struct nsp_softc *sc = device_get_softc(devi);
247
248	rv = nspprobesubr(rman_get_bustag(sc->port_res),
249			  rman_get_bushandle(sc->port_res),
250			  device_get_flags(devi));
251
252	return rv;
253}
254
255static	int
256nspattach(device_t devi)
257{
258	struct nsp_softc *sc;
259	struct scsi_low_softc *slp;
260	u_int32_t flags = device_get_flags(devi);
261	u_int	iobase = bus_get_resource_start(devi, SYS_RES_IOPORT, 0);
262	intrmask_t s;
263	char	dvname[16];
264
265	strcpy(dvname,"nsp");
266
267	if (iobase == 0) {
268		printf("%s: no ioaddr is given\n", dvname);
269		return (0);
270	}
271
272	sc = device_get_softc(devi);
273	if (sc == NULL)
274		return (0);
275
276	slp = &sc->sc_sclow;
277	slp->sl_dev = devi;
278	sc->sc_iot = rman_get_bustag(sc->port_res);
279	sc->sc_ioh = rman_get_bushandle(sc->port_res);
280
281	if (sc->mem_res == NULL) {
282		printf("WARNING: CANNOT GET Memory RESOURCE going PIO mode");
283		flags |= PIO_MODE;
284	}
285
286	if ((flags & PIO_MODE) == 0) {
287		sc->sc_memt = rman_get_bustag(sc->mem_res);
288		sc->sc_memh = rman_get_bushandle(sc->mem_res);
289	} else {
290		sc->sc_memh = 0;
291	}
292	/* slp->sl_irq = devi->pd_irq; */
293	sc->sc_iclkdiv = CLKDIVR_20M;
294	sc->sc_clkdiv = CLKDIVR_40M;
295
296	slp->sl_hostid = NSP_HOSTID;
297	slp->sl_cfgflags = flags;
298
299	s = splcam();
300	nspattachsubr(sc);
301	splx(s);
302
303	return(NSP_IOSIZE);
304}
305