if_ndis_pccard.c revision 146016 
1/*-
2 * Copyright (c) 2003
3 *	Bill Paul <wpaul@windriver.com>.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/dev/if_ndis/if_ndis_pccard.c 146016 2005-05-08 23:19:20Z wpaul $");
35
36#include <sys/ctype.h>
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/kernel.h>
40#include <sys/module.h>
41#include <sys/socket.h>
42#include <sys/queue.h>
43#include <sys/sysctl.h>
44
45#include <net/if.h>
46#include <net/if_arp.h>
47#include <net/if_media.h>
48
49#include <machine/bus.h>
50#include <machine/resource.h>
51#include <sys/bus.h>
52#include <sys/rman.h>
53
54#include <net80211/ieee80211_var.h>
55
56#include <compat/ndis/pe_var.h>
57#include <compat/ndis/cfg_var.h>
58#include <compat/ndis/resource_var.h>
59#include <compat/ndis/ntoskrnl_var.h>
60#include <compat/ndis/ndis_var.h>
61#include <dev/if_ndis/if_ndisvar.h>
62
63#include <dev/pccard/pccardvar.h>
64#include "card_if.h"
65
66MODULE_DEPEND(ndis, pccard, 1, 1, 1);
67
68static int ndis_probe_pccard	(device_t);
69static int ndis_attach_pccard	(device_t);
70static struct resource_list *ndis_get_resource_list
71				(device_t, device_t);
72static int ndis_devcompare	(interface_type,
73				 struct ndis_pccard_type *, device_t);
74extern int ndisdrv_modevent	(module_t, int, void *);
75extern int ndis_attach		(device_t);
76extern int ndis_shutdown	(device_t);
77extern int ndis_detach		(device_t);
78extern int ndis_suspend		(device_t);
79extern int ndis_resume		(device_t);
80
81extern unsigned char drv_data[];
82
83static device_method_t ndis_methods[] = {
84	/* Device interface */
85	DEVMETHOD(device_probe,		ndis_probe_pccard),
86	DEVMETHOD(device_attach,	ndis_attach_pccard),
87	DEVMETHOD(device_detach,	ndis_detach),
88	DEVMETHOD(device_shutdown,	ndis_shutdown),
89	DEVMETHOD(device_suspend,	ndis_suspend),
90	DEVMETHOD(device_resume,	ndis_resume),
91
92	/* Bus interface. */
93
94	/*
95	 * This is an awful kludge, but we need it becase pccard
96	 * does not implement a bus_get_resource_list() method.
97	 */
98
99	DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
100
101	{ 0, 0 }
102};
103
104static driver_t ndis_driver = {
105	"ndis",
106	ndis_methods,
107	sizeof(struct ndis_softc)
108};
109
110static devclass_t ndis_devclass;
111
112DRIVER_MODULE(ndis, pccard, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
113
114static int
115ndis_devcompare(bustype, t, dev)
116	interface_type		bustype;
117	struct ndis_pccard_type	*t;
118	device_t		dev;
119{
120	const char		*prodstr, *vendstr;
121	int			error;
122
123	if (bustype != PCMCIABus)
124		return(FALSE);
125
126	error = pccard_get_product_str(dev, &prodstr);
127	if (error)
128		return(FALSE);
129	error = pccard_get_vendor_str(dev, &vendstr);
130	if (error)
131		return(FALSE);
132
133	while(t->ndis_name != NULL) {
134		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
135		    ndis_strcasecmp(prodstr, t->ndis_did) == 0) {
136			device_set_desc(dev, t->ndis_name);
137			return(TRUE);
138		}
139		t++;
140	}
141
142	return(FALSE);
143}
144
145/*
146 * Probe for an NDIS device. Check the PCI vendor and device
147 * IDs against our list and return a device name if we find a match.
148 */
149static int
150ndis_probe_pccard(dev)
151	device_t		dev;
152{
153	driver_object		*drv;
154	struct drvdb_ent	*db;
155
156	drv = windrv_lookup(0, "PCCARD Bus");
157	if (drv == NULL)
158		return(ENXIO);
159
160	db = windrv_match((matchfuncptr)ndis_devcompare, dev);
161
162	if (db != NULL) {
163		/* Create PDO for this device instance */
164		windrv_create_pdo(drv, dev);
165		return(0);
166	}
167
168	return(ENXIO);
169}
170
171/*
172 * Attach the interface. Allocate softc structures, do ifmedia
173 * setup and ethernet/BPF attach.
174 */
175static int
176ndis_attach_pccard(dev)
177	device_t		dev;
178{
179	struct ndis_softc	*sc;
180	int			unit, error = 0, rid;
181	struct ndis_pccard_type	*t;
182	int			devidx = 0;
183	const char		*prodstr, *vendstr;
184	struct drvdb_ent	*db;
185
186	sc = device_get_softc(dev);
187	unit = device_get_unit(dev);
188	sc->ndis_dev = dev;
189
190	db = windrv_match((matchfuncptr)ndis_devcompare, dev);
191	if (db == NULL)
192		return (ENXIO);
193	sc->ndis_dobj = db->windrv_object;
194	sc->ndis_regvals = db->windrv_regvals;
195	resource_list_init(&sc->ndis_rl);
196
197	sc->ndis_io_rid = 0;
198	sc->ndis_res_io = bus_alloc_resource(dev,
199	    SYS_RES_IOPORT, &sc->ndis_io_rid,
200	    0, ~0, 1, RF_ACTIVE);
201	if (sc->ndis_res_io == NULL) {
202		device_printf(dev,
203		    "couldn't map iospace\n");
204		error = ENXIO;
205		goto fail;
206	}
207	sc->ndis_rescnt++;
208	resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, rid,
209	    rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
210	    rman_get_size(sc->ndis_res_io));
211
212	rid = 0;
213	sc->ndis_irq = bus_alloc_resource(dev,
214	    SYS_RES_IRQ, &rid, 0, ~0, 1,
215	    RF_SHAREABLE | RF_ACTIVE);
216	if (sc->ndis_irq == NULL) {
217		device_printf(dev,
218		    "couldn't map interrupt\n");
219		error = ENXIO;
220		goto fail;
221	}
222	sc->ndis_rescnt++;
223	resource_list_add(&sc->ndis_rl, SYS_RES_IRQ, rid,
224	    rman_get_start(sc->ndis_irq), rman_get_start(sc->ndis_irq), 1);
225
226	sc->ndis_iftype = PCMCIABus;
227
228	/* Figure out exactly which device we matched. */
229
230	t = db->windrv_devlist;
231
232	error = pccard_get_product_str(dev, &prodstr);
233	if (error)
234		return(error);
235	error = pccard_get_vendor_str(dev, &vendstr);
236	if (error)
237		return(error);
238
239	while(t->ndis_name != NULL) {
240		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
241		    ndis_strcasecmp(prodstr, t->ndis_did) == 0)
242			break;
243		t++;
244		devidx++;
245	}
246
247	sc->ndis_devidx = devidx;
248
249	error = ndis_attach(dev);
250
251fail:
252	return(error);
253}
254
255static struct resource_list *
256ndis_get_resource_list(dev, child)
257	device_t		dev;
258	device_t		child;
259{
260	struct ndis_softc	*sc;
261
262	sc = device_get_softc(dev);
263	return (&sc->ndis_rl);
264}
265
266#define NDIS_AM_RID 3
267
268int
269ndis_alloc_amem(arg)
270	void			*arg;
271{
272	struct ndis_softc	*sc;
273	int			error, rid;
274
275	if (arg == NULL)
276		return(EINVAL);
277
278	sc = arg;
279	rid = NDIS_AM_RID;
280	sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
281	    &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
282
283	if (sc->ndis_res_am == NULL) {
284		device_printf(sc->ndis_dev,
285		    "failed to allocate attribute memory\n");
286		return(ENXIO);
287	}
288	sc->ndis_rescnt++;
289	resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
290	    rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
291	    rman_get_size(sc->ndis_res_am));
292
293	error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
294	    sc->ndis_dev, rid, 0, NULL);
295
296	if (error) {
297		device_printf(sc->ndis_dev,
298		    "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
299		return(error);
300	}
301
302	error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
303	    sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
304
305	if (error) {
306		device_printf(sc->ndis_dev,
307		    "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
308		return(error);
309	}
310
311	sc->ndis_am_rid = rid;
312
313	return(0);
314}
315
316void
317ndis_free_amem(arg)
318	void			*arg;
319{
320	struct ndis_softc	*sc;
321
322	if (arg == NULL)
323		return;
324
325	sc = arg;
326
327	if (sc->ndis_res_am != NULL)
328		bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
329		    sc->ndis_am_rid, sc->ndis_res_am);
330	resource_list_free(&sc->ndis_rl);
331
332	return;
333}
334