if_ndis_pccard.c revision 302408 
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: stable/11/sys/dev/if_ndis/if_ndis_pccard.c 296137 2016-02-27 03:38:01Z jhibbits $");
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_var.h>
47#include <net/if_arp.h>
48#include <net/if_media.h>
49#include <net/ethernet.h>
50
51#include <machine/bus.h>
52#include <machine/resource.h>
53#include <sys/bus.h>
54#include <sys/rman.h>
55
56#include <dev/usb/usb.h>
57#include <dev/usb/usbdi.h>
58
59#include <net80211/ieee80211_var.h>
60
61#include <compat/ndis/pe_var.h>
62#include <compat/ndis/cfg_var.h>
63#include <compat/ndis/resource_var.h>
64#include <compat/ndis/ntoskrnl_var.h>
65#include <compat/ndis/ndis_var.h>
66#include <dev/if_ndis/if_ndisvar.h>
67
68#include <dev/pccard/pccardvar.h>
69#include "card_if.h"
70
71MODULE_DEPEND(ndis, pccard, 1, 1, 1);
72
73static int ndis_probe_pccard	(device_t);
74static int ndis_attach_pccard	(device_t);
75static struct resource_list *ndis_get_resource_list
76				(device_t, device_t);
77static int ndis_devcompare	(interface_type,
78				 struct ndis_pccard_type *, device_t);
79extern int ndisdrv_modevent	(module_t, int, void *);
80extern int ndis_attach		(device_t);
81extern int ndis_shutdown	(device_t);
82extern int ndis_detach		(device_t);
83extern int ndis_suspend		(device_t);
84extern int ndis_resume		(device_t);
85
86extern unsigned char drv_data[];
87
88static device_method_t ndis_methods[] = {
89	/* Device interface */
90	DEVMETHOD(device_probe,		ndis_probe_pccard),
91	DEVMETHOD(device_attach,	ndis_attach_pccard),
92	DEVMETHOD(device_detach,	ndis_detach),
93	DEVMETHOD(device_shutdown,	ndis_shutdown),
94	DEVMETHOD(device_suspend,	ndis_suspend),
95	DEVMETHOD(device_resume,	ndis_resume),
96
97	/* Bus interface. */
98
99	/*
100	 * This is an awful kludge, but we need it becase pccard
101	 * does not implement a bus_get_resource_list() method.
102	 */
103
104	DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
105
106	{ 0, 0 }
107};
108
109static driver_t ndis_driver = {
110	"ndis",
111	ndis_methods,
112	sizeof(struct ndis_softc)
113};
114
115static devclass_t ndis_devclass;
116
117DRIVER_MODULE(ndis, pccard, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
118
119static int
120ndis_devcompare(bustype, t, dev)
121	interface_type		bustype;
122	struct ndis_pccard_type	*t;
123	device_t		dev;
124{
125	const char		*prodstr, *vendstr;
126	int			error;
127
128	if (bustype != PCMCIABus)
129		return(FALSE);
130
131	error = pccard_get_product_str(dev, &prodstr);
132	if (error)
133		return(FALSE);
134	error = pccard_get_vendor_str(dev, &vendstr);
135	if (error)
136		return(FALSE);
137
138	while(t->ndis_name != NULL) {
139		if (strcasecmp(vendstr, t->ndis_vid) == 0 &&
140		    strcasecmp(prodstr, t->ndis_did) == 0) {
141			device_set_desc(dev, t->ndis_name);
142			return(TRUE);
143		}
144		t++;
145	}
146
147	return(FALSE);
148}
149
150/*
151 * Probe for an NDIS device. Check the PCI vendor and device
152 * IDs against our list and return a device name if we find a match.
153 */
154static int
155ndis_probe_pccard(dev)
156	device_t		dev;
157{
158	driver_object		*drv;
159	struct drvdb_ent	*db;
160
161	drv = windrv_lookup(0, "PCCARD Bus");
162	if (drv == NULL)
163		return(ENXIO);
164
165	db = windrv_match((matchfuncptr)ndis_devcompare, dev);
166
167	if (db != NULL) {
168		/* Create PDO for this device instance */
169		windrv_create_pdo(drv, dev);
170		return(0);
171	}
172
173	return(ENXIO);
174}
175
176/*
177 * Attach the interface. Allocate softc structures, do ifmedia
178 * setup and ethernet/BPF attach.
179 */
180static int
181ndis_attach_pccard(dev)
182	device_t		dev;
183{
184	struct ndis_softc	*sc;
185	int			unit, error = 0, rid;
186	struct ndis_pccard_type	*t;
187	int			devidx = 0;
188	const char		*prodstr, *vendstr;
189	struct drvdb_ent	*db;
190
191	sc = device_get_softc(dev);
192	unit = device_get_unit(dev);
193	sc->ndis_dev = dev;
194
195	db = windrv_match((matchfuncptr)ndis_devcompare, dev);
196	if (db == NULL)
197		return (ENXIO);
198	sc->ndis_dobj = db->windrv_object;
199	sc->ndis_regvals = db->windrv_regvals;
200	resource_list_init(&sc->ndis_rl);
201
202	sc->ndis_io_rid = 0;
203	sc->ndis_res_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
204	    &sc->ndis_io_rid, RF_ACTIVE);
205	if (sc->ndis_res_io == NULL) {
206		device_printf(dev,
207		    "couldn't map iospace\n");
208		error = ENXIO;
209		goto fail;
210	}
211	sc->ndis_rescnt++;
212	resource_list_add(&sc->ndis_rl, SYS_RES_IOPORT, sc->ndis_io_rid,
213	    rman_get_start(sc->ndis_res_io), rman_get_end(sc->ndis_res_io),
214	    rman_get_size(sc->ndis_res_io));
215
216	rid = 0;
217	sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
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 = db->windrv_devlist;
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 (strcasecmp(vendstr, t->ndis_vid) == 0 &&
244		    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#define NDIS_AM_RID 3
270
271int
272ndis_alloc_amem(arg)
273	void			*arg;
274{
275	struct ndis_softc	*sc;
276	int			error, rid;
277
278	if (arg == NULL)
279		return(EINVAL);
280
281	sc = arg;
282	rid = NDIS_AM_RID;
283	sc->ndis_res_am = bus_alloc_resource_anywhere(sc->ndis_dev,
284	    SYS_RES_MEMORY, &rid, 0x1000, RF_ACTIVE);
285
286	if (sc->ndis_res_am == NULL) {
287		device_printf(sc->ndis_dev,
288		    "failed to allocate attribute memory\n");
289		return(ENXIO);
290	}
291	sc->ndis_rescnt++;
292	resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
293	    rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
294	    rman_get_size(sc->ndis_res_am));
295
296	error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
297	    sc->ndis_dev, rid, 0, NULL);
298
299	if (error) {
300		device_printf(sc->ndis_dev,
301		    "CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
302		return(error);
303	}
304
305	error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
306	    sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
307
308	if (error) {
309		device_printf(sc->ndis_dev,
310		    "CARD_SET_RES_FLAGS() returned 0x%x\n", error);
311		return(error);
312	}
313
314	sc->ndis_am_rid = rid;
315
316	return(0);
317}
318
319void
320ndis_free_amem(arg)
321	void			*arg;
322{
323	struct ndis_softc	*sc;
324
325	if (arg == NULL)
326		return;
327
328	sc = arg;
329
330	if (sc->ndis_res_am != NULL)
331		bus_release_resource(sc->ndis_dev, SYS_RES_MEMORY,
332		    sc->ndis_am_rid, sc->ndis_res_am);
333	resource_list_free(&sc->ndis_rl);
334
335	return;
336}
337