if_ndis_pccard.c revision 146015 
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 146015 2005-05-08 23:07:51Z 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	(struct ndis_pccard_type *, device_t);
73extern int ndisdrv_modevent	(module_t, int, void *);
74extern int ndis_attach		(device_t);
75extern int ndis_shutdown	(device_t);
76extern int ndis_detach		(device_t);
77extern int ndis_suspend		(device_t);
78extern int ndis_resume		(device_t);
79
80extern unsigned char drv_data[];
81
82static device_method_t ndis_methods[] = {
83	/* Device interface */
84	DEVMETHOD(device_probe,		ndis_probe_pccard),
85	DEVMETHOD(device_attach,	ndis_attach_pccard),
86	DEVMETHOD(device_detach,	ndis_detach),
87	DEVMETHOD(device_shutdown,	ndis_shutdown),
88	DEVMETHOD(device_suspend,	ndis_suspend),
89	DEVMETHOD(device_resume,	ndis_resume),
90
91	/* Bus interface. */
92
93	/*
94	 * This is an awful kludge, but we need it becase pccard
95	 * does not implement a bus_get_resource_list() method.
96	 */
97
98	DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
99
100	{ 0, 0 }
101};
102
103static driver_t ndis_driver = {
104	"ndis",
105	ndis_methods,
106	sizeof(struct ndis_softc)
107};
108
109static devclass_t ndis_devclass;
110
111DRIVER_MODULE(ndis, pccard, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
112
113static int
114ndis_devcompare(t, dev)
115	struct ndis_pccard_type	*t;
116	device_t		dev;
117{
118	const char		*prodstr, *vendstr;
119	int			error;
120
121	error = pccard_get_product_str(dev, &prodstr);
122	if (error)
123		return(FALSE);
124	error = pccard_get_vendor_str(dev, &vendstr);
125	if (error)
126		return(FALSE);
127
128	while(t->ndis_name != NULL) {
129		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
130		    ndis_strcasecmp(prodstr, t->ndis_did) == 0) {
131			device_set_desc(dev, t->ndis_name);
132			return(TRUE);
133		}
134		t++;
135	}
136
137	return(FALSE);
138}
139
140/*
141 * Probe for an NDIS device. Check the PCI vendor and device
142 * IDs against our list and return a device name if we find a match.
143 */
144static int
145ndis_probe_pccard(dev)
146	device_t		dev;
147{
148	driver_object		*drv;
149	struct drvdb_ent	*db;
150
151	drv = windrv_lookup(0, "PCCARD Bus");
152	if (drv == NULL)
153		return(ENXIO);
154
155	db = windrv_match((matchfuncptr)ndis_devcompare, dev);
156
157	if (db != NULL) {
158		/* Create PDO for this device instance */
159		windrv_create_pdo(drv, dev);
160		return(0);
161	}
162
163	return(ENXIO);
164}
165
166/*
167 * Attach the interface. Allocate softc structures, do ifmedia
168 * setup and ethernet/BPF attach.
169 */
170static int
171ndis_attach_pccard(dev)
172	device_t		dev;
173{
174	struct ndis_softc	*sc;
175	int			unit, error = 0, rid;
176	struct ndis_pccard_type	*t;
177	int			devidx = 0;
178	const char		*prodstr, *vendstr;
179	struct drvdb_ent	*db;
180
181	sc = device_get_softc(dev);
182	unit = device_get_unit(dev);
183	sc->ndis_dev = dev;
184
185	db = windrv_match((matchfuncptr)ndis_devcompare, dev);
186	if (db == NULL)
187		return (ENXIO);
188	sc->ndis_dobj = db->windrv_object;
189	sc->ndis_regvals = db->windrv_regvals;
190	resource_list_init(&sc->ndis_rl);
191
192	sc->ndis_io_rid = 0;
193	sc->ndis_res_io = bus_alloc_resource(dev,
194	    SYS_RES_IOPORT, &sc->ndis_io_rid,
195	    0, ~0, 1, RF_ACTIVE);
196	if (sc->ndis_res_io == NULL) {
197		device_printf(dev,
198		    "couldn't map iospace\n");
199		error = ENXIO;
200		goto fail;
201	}
202	sc->ndis_rescnt++;
203	resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, rid,
204	    rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
205	    rman_get_size(sc->ndis_res_io));
206
207	rid = 0;
208	sc->ndis_irq = bus_alloc_resource(dev,
209	    SYS_RES_IRQ, &rid, 0, ~0, 1,
210	    RF_SHAREABLE | RF_ACTIVE);
211	if (sc->ndis_irq == NULL) {
212		device_printf(dev,
213		    "couldn't map interrupt\n");
214		error = ENXIO;
215		goto fail;
216	}
217	sc->ndis_rescnt++;
218	resource_list_add(&sc->ndis_rl, SYS_RES_IRQ, rid,
219	    rman_get_start(sc->ndis_irq), rman_get_start(sc->ndis_irq), 1);
220
221	sc->ndis_iftype = PCMCIABus;
222
223	/* Figure out exactly which device we matched. */
224
225	t = db->windrv_devlist;
226
227	error = pccard_get_product_str(dev, &prodstr);
228	if (error)
229		return(error);
230	error = pccard_get_vendor_str(dev, &vendstr);
231	if (error)
232		return(error);
233
234	while(t->ndis_name != NULL) {
235		if (ndis_strcasecmp(vendstr, t->ndis_vid) == 0 &&
236		    ndis_strcasecmp(prodstr, t->ndis_did) == 0)
237			break;
238		t++;
239		devidx++;
240	}
241
242	sc->ndis_devidx = devidx;
243
244	error = ndis_attach(dev);
245
246fail:
247	return(error);
248}
249
250static struct resource_list *
251ndis_get_resource_list(dev, child)
252	device_t		dev;
253	device_t		child;
254{
255	struct ndis_softc	*sc;
256
257	sc = device_get_softc(dev);
258	return (&sc->ndis_rl);
259}
260
261#define NDIS_AM_RID 3
262
263int
264ndis_alloc_amem(arg)
265	void			*arg;
266{
267	struct ndis_softc	*sc;
268	int			error, rid;
269
270	if (arg == NULL)
271		return(EINVAL);
272
273	sc = arg;
274	rid = NDIS_AM_RID;
275	sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
276	    &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
277
278	if (sc->ndis_res_am == NULL) {
279		device_printf(sc->ndis_dev,
280		    "failed to allocate attribute memory\n");
281		return(ENXIO);
282	}
283	sc->ndis_rescnt++;
284	resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
285	    rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
286	    rman_get_size(sc->ndis_res_am));
287
288	error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
289	    sc->ndis_dev, rid, 0, NULL);
290
291	if (error) {
292		device_printf(sc->ndis_dev,
293		    "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
294		return(error);
295	}
296
297	error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
298	    sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
299
300	if (error) {
301		device_printf(sc->ndis_dev,
302		    "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
303		return(error);
304	}
305
306	sc->ndis_am_rid = rid;
307
308	return(0);
309}
310
311void
312ndis_free_amem(arg)
313	void			*arg;
314{
315	struct ndis_softc	*sc;
316
317	if (arg == NULL)
318		return;
319
320	sc = arg;
321
322	if (sc->ndis_res_am != NULL)
323		bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
324		    sc->ndis_am_rid, sc->ndis_res_am);
325	resource_list_free(&sc->ndis_rl);
326
327	return;
328}
329