1/*-
2 * Copyright (c) 2015 Landon Fuller <landon@landonf.org>
3 * 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 *    without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 *    redistribution must be conditioned upon including a substantially
14 *    similar Disclaimer requirement for further binary redistribution.
15 *
16 * NO WARRANTY
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 * THE POSSIBILITY OF SUCH DAMAGES.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: releng/11.0/sys/dev/bwn/bwn_mac.c 299984 2016-05-16 22:56:45Z adrian $");
32
33#include "opt_bwn.h"
34#include "opt_wlan.h"
35
36#include <sys/param.h>
37#include <sys/kernel.h>
38#include <sys/module.h>
39#include <sys/systm.h>
40
41#include <machine/bus.h>
42#include <sys/rman.h>
43#include <machine/resource.h>
44
45#include <dev/bhnd/bhnd.h>
46#include <dev/bhnd/bhnd_ids.h>
47
48#include "bhnd_nvram_map.h"
49
50static const struct resource_spec bwn_rspec[] = {
51	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },
52	{ -1, -1, 0 }
53};
54
55#define	RSPEC_LEN	(sizeof(bwn_rspec)/sizeof(bwn_rspec[0]))
56
57struct bwn_softc {
58	struct resource_spec	rspec[RSPEC_LEN];
59	struct bhnd_resource	*res[RSPEC_LEN-1];
60};
61
62static const struct bwn_device {
63	uint16_t	 vendor;
64	uint16_t	 device;
65} bwn_devices[] = {
66	{ BHND_MFGID_BCM,	BHND_COREID_D11 },
67	{ BHND_MFGID_INVALID,	BHND_COREID_INVALID }
68};
69
70static int
71bwn_probe(device_t dev)
72{
73	const struct bwn_device	*id;
74
75	for (id = bwn_devices; id->device != BHND_COREID_INVALID; id++)
76	{
77		if (bhnd_get_vendor(dev) == id->vendor &&
78		    bhnd_get_device(dev) == id->device)
79		{
80			device_set_desc(dev, bhnd_get_device_name(dev));
81			return (BUS_PROBE_DEFAULT);
82		}
83	}
84
85	return (ENXIO);
86}
87
88static int
89bwn_attach(device_t dev)
90{
91	struct bwn_softc	*sc;
92	struct bhnd_resource	*r;
93	int			 error;
94
95	sc = device_get_softc(dev);
96
97	memcpy(sc->rspec, bwn_rspec, sizeof(bwn_rspec));
98	if ((error = bhnd_alloc_resources(dev, sc->rspec, sc->res)))
99		return (error);
100
101	// XXX TODO
102	r = sc->res[0];
103	device_printf(dev, "got rid=%d res=%p\n", sc->rspec[0].rid, r);
104
105	uint8_t	macaddr[6];
106	error = bhnd_nvram_getvar(dev, BHND_NVAR_MACADDR, macaddr,
107	    sizeof(macaddr));
108	if (error)
109		return (error);
110
111	device_printf(dev, "got macaddr %6D\n", macaddr, ":");
112
113	return (0);
114}
115
116static int
117bwn_detach(device_t dev)
118{
119	struct bwn_softc	*sc;
120
121	sc = device_get_softc(dev);
122	bhnd_release_resources(dev, sc->rspec, sc->res);
123
124	return (0);
125}
126
127static int
128bwn_suspend(device_t dev)
129{
130	return (0);
131}
132
133static int
134bwn_resume(device_t dev)
135{
136	return (0);
137}
138
139static device_method_t bwn_methods[] = {
140	/* Device interface */
141	DEVMETHOD(device_probe,		bwn_probe),
142	DEVMETHOD(device_attach,	bwn_attach),
143	DEVMETHOD(device_detach,	bwn_detach),
144	DEVMETHOD(device_suspend,	bwn_suspend),
145	DEVMETHOD(device_resume,	bwn_resume),
146	DEVMETHOD_END
147};
148
149static devclass_t bwn_devclass;
150
151DEFINE_CLASS_0(bwn, bwn_driver, bwn_methods, sizeof(struct bwn_softc));
152DRIVER_MODULE(bwn_mac, bhnd, bwn_driver, bwn_devclass, 0, 0);
153MODULE_DEPEND(bwn_mac, bhnd, 1, 1, 1);
154MODULE_VERSION(bwn_mac, 1);
155