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