if_ndis_pccard.c revision 131953 
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 131953 2004-07-11 00:19:30Z 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 ndis_attach		(device_t);
91extern int ndis_shutdown	(device_t);
92extern int ndis_detach		(device_t);
93extern int ndis_suspend		(device_t);
94extern int ndis_resume		(device_t);
95
96extern struct mtx_pool *ndis_mtxpool;
97
98static device_method_t ndis_methods[] = {
99	/* Device interface */
100	DEVMETHOD(device_probe,		ndis_probe_pccard),
101	DEVMETHOD(device_attach,	ndis_attach_pccard),
102	DEVMETHOD(device_detach,	ndis_detach),
103	DEVMETHOD(device_shutdown,	ndis_shutdown),
104	DEVMETHOD(device_suspend,	ndis_suspend),
105	DEVMETHOD(device_resume,	ndis_resume),
106
107	/* Bus interface. */
108
109	/*
110	 * This is an awful kludge, but we need it becase pccard
111	 * does not implement a bus_get_resource_list() method.
112	 */
113
114	DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
115
116	{ 0, 0 }
117};
118
119static driver_t ndis_driver = {
120#ifdef NDIS_DEVNAME
121	NDIS_DEVNAME,
122#else
123	"ndis",
124#endif
125	ndis_methods,
126	sizeof(struct ndis_softc)
127};
128
129static devclass_t ndis_devclass;
130
131#ifdef NDIS_MODNAME
132#define NDIS_MODNAME_OVERRIDE_PCMCIA(x)					\
133	DRIVER_MODULE(x, pccard, ndis_driver, ndis_devclass, 0, 0)
134NDIS_MODNAME_OVERRIDE_PCMCIA(NDIS_MODNAME);
135#else
136DRIVER_MODULE(ndis, pccard, ndis_driver, ndis_devclass, 0, 0);
137#endif
138
139/*
140 * Probe for an NDIS device. Check the PCI vendor and device
141 * IDs against our list and return a device name if we find a match.
142 */
143static int
144ndis_probe_pccard(dev)
145	device_t		dev;
146{
147	struct ndis_pccard_type	*t;
148	const char		*prodstr, *vendstr;
149	int			error;
150
151	t = ndis_devs;
152
153	error = pccard_get_product_str(dev, &prodstr);
154	if (error)
155		return(error);
156	error = pccard_get_vendor_str(dev, &vendstr);
157	if (error)
158		return(error);
159
160	while(t->ndis_name != NULL) {
161		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
162		    ndis_strcasecmp(prodstr, t->ndis_did) == 0) {
163			device_set_desc(dev, t->ndis_name);
164			return(0);
165		}
166		t++;
167	}
168
169	return(ENXIO);
170}
171
172/*
173 * Attach the interface. Allocate softc structures, do ifmedia
174 * setup and ethernet/BPF attach.
175 */
176static int
177ndis_attach_pccard(dev)
178	device_t		dev;
179{
180	struct ndis_softc	*sc;
181	int			unit, error = 0, rid;
182	struct ndis_pccard_type	*t;
183	int			devidx = 0;
184	const char		*prodstr, *vendstr;
185
186	sc = device_get_softc(dev);
187	unit = device_get_unit(dev);
188	sc->ndis_dev = dev;
189	resource_list_init(&sc->ndis_rl);
190
191	sc->ndis_io_rid = 0;
192	sc->ndis_res_io = bus_alloc_resource(dev,
193	    SYS_RES_IOPORT, &sc->ndis_io_rid,
194	    0, ~0, 1, RF_ACTIVE);
195	if (sc->ndis_res_io == NULL) {
196		device_printf(dev,
197		    "couldn't map iospace\n");
198		error = ENXIO;
199		goto fail;
200	}
201	sc->ndis_rescnt++;
202	resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, rid,
203	    rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
204	    rman_get_size(sc->ndis_res_io));
205
206	rid = 0;
207	sc->ndis_irq = bus_alloc_resource(dev,
208	    SYS_RES_IRQ, &rid, 0, ~0, 1,
209	    RF_SHAREABLE | RF_ACTIVE);
210	if (sc->ndis_irq == NULL) {
211		device_printf(dev,
212		    "couldn't map interrupt\n");
213		error = ENXIO;
214		goto fail;
215	}
216	sc->ndis_rescnt++;
217	resource_list_add(&sc->ndis_rl, SYS_RES_IRQ, rid,
218	    rman_get_start(sc->ndis_irq), rman_get_start(sc->ndis_irq), 1);
219
220	sc->ndis_iftype = PCMCIABus;
221
222	/* Figure out exactly which device we matched. */
223
224	t = ndis_devs;
225
226	error = pccard_get_product_str(dev, &prodstr);
227	if (error)
228		return(error);
229	error = pccard_get_vendor_str(dev, &vendstr);
230	if (error)
231		return(error);
232
233	while(t->ndis_name != NULL) {
234		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
235		    ndis_strcasecmp(prodstr, t->ndis_did) == 0)
236			break;
237		t++;
238		devidx++;
239	}
240
241	sc->ndis_devidx = devidx;
242
243	error = ndis_attach(dev);
244
245fail:
246	return(error);
247}
248
249static struct resource_list *
250ndis_get_resource_list(dev, child)
251	device_t		dev;
252	device_t		child;
253{
254	struct ndis_softc	*sc;
255
256	sc = device_get_softc(dev);
257	return (&sc->ndis_rl);
258}
259
260#endif /* NDIS_PCI_DEV_TABLE */
261
262#define NDIS_AM_RID 3
263
264int
265ndis_alloc_amem(arg)
266	void			*arg;
267{
268	struct ndis_softc	*sc;
269	int			error, rid;
270
271	if (arg == NULL)
272		return(EINVAL);
273
274	sc = arg;
275	rid = NDIS_AM_RID;
276	sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
277	    &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
278
279	if (sc->ndis_res_am == NULL) {
280		device_printf(sc->ndis_dev,
281		    "failed to allocate attribute memory\n");
282		return(ENXIO);
283	}
284	sc->ndis_rescnt++;
285	resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
286	    rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
287	    rman_get_size(sc->ndis_res_am));
288
289	error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
290	    sc->ndis_dev, rid, 0, NULL);
291
292	if (error) {
293		device_printf(sc->ndis_dev,
294		    "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
295		return(error);
296	}
297
298	error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
299	    sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
300
301	if (error) {
302		device_printf(sc->ndis_dev,
303		    "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
304		return(error);
305	}
306
307	sc->ndis_am_rid = rid;
308
309	return(0);
310}
311
312void
313ndis_free_amem(arg)
314	void			*arg;
315{
316	struct ndis_softc	*sc;
317
318	if (arg == NULL)
319		return;
320
321	sc = arg;
322
323	if (sc->ndis_res_am != NULL)
324		bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
325		    sc->ndis_am_rid, sc->ndis_res_am);
326	resource_list_free(&sc->ndis_rl);
327
328	return;
329}
330