if_ndis_pccard.c revision 142399 
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 142399 2005-02-24 21:49:14Z 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/resource_var.h>
58#include <compat/ndis/ntoskrnl_var.h>
59#include <compat/ndis/ndis_var.h>
60#include <compat/ndis/cfg_var.h>
61#include <dev/if_ndis/if_ndisvar.h>
62
63#include <dev/pccard/pccardvar.h>
64#include "card_if.h"
65
66#include "ndis_driver_data.h"
67
68#ifdef NDIS_PCMCIA_DEV_TABLE
69
70MODULE_DEPEND(ndis, pccard, 1, 1, 1);
71MODULE_DEPEND(ndis, ether, 1, 1, 1);
72MODULE_DEPEND(ndis, wlan, 1, 1, 1);
73MODULE_DEPEND(ndis, ndisapi, 1, 1, 1);
74
75/*
76 * Various supported device vendors/types and their names.
77 * These are defined in the ndis_driver_data.h file.
78 */
79static struct ndis_pccard_type ndis_devs[] = {
80#ifdef NDIS_PCMCIA_DEV_TABLE
81	NDIS_PCMCIA_DEV_TABLE
82#endif
83	{ NULL, NULL, NULL }
84};
85
86static int ndis_probe_pccard	(device_t);
87static int ndis_attach_pccard	(device_t);
88static struct resource_list *ndis_get_resource_list
89				(device_t, device_t);
90extern int ndisdrv_modevent	(module_t, int, void *);
91extern int ndis_attach		(device_t);
92extern int ndis_shutdown	(device_t);
93extern int ndis_detach		(device_t);
94extern int ndis_suspend		(device_t);
95extern int ndis_resume		(device_t);
96
97extern unsigned char drv_data[];
98
99static device_method_t ndis_methods[] = {
100	/* Device interface */
101	DEVMETHOD(device_probe,		ndis_probe_pccard),
102	DEVMETHOD(device_attach,	ndis_attach_pccard),
103	DEVMETHOD(device_detach,	ndis_detach),
104	DEVMETHOD(device_shutdown,	ndis_shutdown),
105	DEVMETHOD(device_suspend,	ndis_suspend),
106	DEVMETHOD(device_resume,	ndis_resume),
107
108	/* Bus interface. */
109
110	/*
111	 * This is an awful kludge, but we need it becase pccard
112	 * does not implement a bus_get_resource_list() method.
113	 */
114
115	DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
116
117	{ 0, 0 }
118};
119
120static driver_t ndis_driver = {
121#ifdef NDIS_DEVNAME
122	NDIS_DEVNAME,
123#else
124	"ndis",
125#endif
126	ndis_methods,
127	sizeof(struct ndis_softc)
128};
129
130static devclass_t ndis_devclass;
131
132#ifdef NDIS_MODNAME
133#define NDIS_MODNAME_OVERRIDE_PCMCIA(x)					\
134	DRIVER_MODULE(x, pccard, ndis_driver, ndis_devclass,		\
135		ndisdrv_modevent, 0)
136NDIS_MODNAME_OVERRIDE_PCMCIA(NDIS_MODNAME);
137#else
138DRIVER_MODULE(ndis, pccard, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
139#endif
140
141/*
142 * Probe for an NDIS device. Check the PCI vendor and device
143 * IDs against our list and return a device name if we find a match.
144 */
145static int
146ndis_probe_pccard(dev)
147	device_t		dev;
148{
149	struct ndis_pccard_type	*t;
150	const char		*prodstr, *vendstr;
151	int			error;
152	driver_object		*drv;
153
154	drv = windrv_lookup(NULL, "PCCARD Bus");
155	if (drv == NULL)
156		return(ENXIO);
157
158	t = ndis_devs;
159
160	error = pccard_get_product_str(dev, &prodstr);
161	if (error)
162		return(error);
163	error = pccard_get_vendor_str(dev, &vendstr);
164	if (error)
165		return(error);
166
167	while(t->ndis_name != NULL) {
168		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
169		    ndis_strcasecmp(prodstr, t->ndis_did) == 0) {
170			device_set_desc(dev, t->ndis_name);
171			/* Create PDO for this device instance */
172			windrv_create_pdo(drv, dev);
173			return(0);
174		}
175		t++;
176	}
177
178	return(ENXIO);
179}
180
181/*
182 * Attach the interface. Allocate softc structures, do ifmedia
183 * setup and ethernet/BPF attach.
184 */
185static int
186ndis_attach_pccard(dev)
187	device_t		dev;
188{
189	struct ndis_softc	*sc;
190	int			unit, error = 0, rid;
191	struct ndis_pccard_type	*t;
192	int			devidx = 0;
193	const char		*prodstr, *vendstr;
194
195	sc = device_get_softc(dev);
196	unit = device_get_unit(dev);
197	sc->ndis_dev = dev;
198	resource_list_init(&sc->ndis_rl);
199
200	sc->ndis_io_rid = 0;
201	sc->ndis_res_io = bus_alloc_resource(dev,
202	    SYS_RES_IOPORT, &sc->ndis_io_rid,
203	    0, ~0, 1, RF_ACTIVE);
204	if (sc->ndis_res_io == NULL) {
205		device_printf(dev,
206		    "couldn't map iospace\n");
207		error = ENXIO;
208		goto fail;
209	}
210	sc->ndis_rescnt++;
211	resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, rid,
212	    rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
213	    rman_get_size(sc->ndis_res_io));
214
215	rid = 0;
216	sc->ndis_irq = bus_alloc_resource(dev,
217	    SYS_RES_IRQ, &rid, 0, ~0, 1,
218	    RF_SHAREABLE | RF_ACTIVE);
219	if (sc->ndis_irq == NULL) {
220		device_printf(dev,
221		    "couldn't map interrupt\n");
222		error = ENXIO;
223		goto fail;
224	}
225	sc->ndis_rescnt++;
226	resource_list_add(&sc->ndis_rl, SYS_RES_IRQ, rid,
227	    rman_get_start(sc->ndis_irq), rman_get_start(sc->ndis_irq), 1);
228
229	sc->ndis_iftype = PCMCIABus;
230
231	/* Figure out exactly which device we matched. */
232
233	t = ndis_devs;
234
235	error = pccard_get_product_str(dev, &prodstr);
236	if (error)
237		return(error);
238	error = pccard_get_vendor_str(dev, &vendstr);
239	if (error)
240		return(error);
241
242	while(t->ndis_name != NULL) {
243		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
244		    ndis_strcasecmp(prodstr, t->ndis_did) == 0)
245			break;
246		t++;
247		devidx++;
248	}
249
250	sc->ndis_devidx = devidx;
251
252	error = ndis_attach(dev);
253
254fail:
255	return(error);
256}
257
258static struct resource_list *
259ndis_get_resource_list(dev, child)
260	device_t		dev;
261	device_t		child;
262{
263	struct ndis_softc	*sc;
264
265	sc = device_get_softc(dev);
266	return (&sc->ndis_rl);
267}
268
269#endif /* NDIS_PCI_DEV_TABLE */
270
271#define NDIS_AM_RID 3
272
273int
274ndis_alloc_amem(arg)
275	void			*arg;
276{
277	struct ndis_softc	*sc;
278	int			error, rid;
279
280	if (arg == NULL)
281		return(EINVAL);
282
283	sc = arg;
284	rid = NDIS_AM_RID;
285	sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
286	    &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
287
288	if (sc->ndis_res_am == NULL) {
289		device_printf(sc->ndis_dev,
290		    "failed to allocate attribute memory\n");
291		return(ENXIO);
292	}
293	sc->ndis_rescnt++;
294	resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
295	    rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
296	    rman_get_size(sc->ndis_res_am));
297
298	error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
299	    sc->ndis_dev, rid, 0, NULL);
300
301	if (error) {
302		device_printf(sc->ndis_dev,
303		    "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
304		return(error);
305	}
306
307	error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
308	    sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
309
310	if (error) {
311		device_printf(sc->ndis_dev,
312		    "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
313		return(error);
314	}
315
316	sc->ndis_am_rid = rid;
317
318	return(0);
319}
320
321void
322ndis_free_amem(arg)
323	void			*arg;
324{
325	struct ndis_softc	*sc;
326
327	if (arg == NULL)
328		return;
329
330	sc = arg;
331
332	if (sc->ndis_res_am != NULL)
333		bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
334		    sc->ndis_am_rid, sc->ndis_res_am);
335	resource_list_free(&sc->ndis_rl);
336
337	return;
338}
339