1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*-
* Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org>
* Copyright (c) 2016 Adrian Chadd <adrian@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_bwn.h"
#include "opt_wlan.h"
/*
* The Broadcom Wireless LAN controller driver.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/endian.h>
#include <sys/errno.h>
#include <sys/firmware.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_arp.h>
#include <net/if_dl.h>
#include <net/if_llc.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_regdomain.h>
#include <net80211/ieee80211_phy.h>
#include <net80211/ieee80211_ratectl.h>
#include <dev/bhnd/bhnd.h>
#include <dev/bhnd/bhnd_ids.h>
#include <dev/bhnd/cores/chipc/chipc.h>
#include <dev/bhnd/cores/pmu/bhnd_pmu.h>
#include <dev/bwn/if_bwnreg.h>
#include <dev/bwn/if_bwnvar.h>
#include <dev/bwn/if_bwn_debug.h>
#include <dev/bwn/if_bwn_misc.h>
#include <dev/bwn/if_bwn_phy_common.h>
void
bwn_mac_switch_freq(struct bwn_mac *mac, bhnd_pmu_spuravoid spurmode)
{
struct bwn_softc *sc = mac->mac_sc;
uint16_t chip_id = sc->sc_cid.chip_id;
if (chip_id == BHND_CHIPID_BCM4331) {
switch (spurmode) {
case BHND_PMU_SPURAVOID_M2: /* 168 Mhz: 2^26/168 = 0x61862 */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x1862);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
break;
case BHND_PMU_SPURAVOID_M1: /* 164 Mhz: 2^26/164 = 0x63e70 */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x3e70);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
break;
case BHND_PMU_SPURAVOID_NONE: /* 160 Mhz: 2^26/160 = 0x66666 */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x6666);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x6);
break;
}
} else if (chip_id == BHND_CHIPID_BCM43131 ||
chip_id == BHND_CHIPID_BCM43217 ||
chip_id == BHND_CHIPID_BCM43222 ||
chip_id == BHND_CHIPID_BCM43224 ||
chip_id == BHND_CHIPID_BCM43225 ||
chip_id == BHND_CHIPID_BCM43227 ||
chip_id == BHND_CHIPID_BCM43228) {
switch (spurmode) {
case BHND_PMU_SPURAVOID_M2: /* 126 Mhz */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x2082);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
break;
case BHND_PMU_SPURAVOID_M1: /* 123 Mhz */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x5341);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
break;
case BHND_PMU_SPURAVOID_NONE: /* 120 Mhz */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x8889);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0x8);
break;
}
} else if (mac->mac_phy.type == BWN_PHYTYPE_LCN) {
switch (spurmode) {
case BHND_PMU_SPURAVOID_M2:
device_printf(sc->sc_dev, "invalid spuravoid mode: "
"%d\n", spurmode);
break;
case BHND_PMU_SPURAVOID_M1: /* 82 Mhz */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0x7CE0);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC);
break;
case BHND_PMU_SPURAVOID_NONE: /* 80 Mhz */
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_LOW, 0xCCCD);
BWN_WRITE_2(mac, BWN_TSF_CLK_FRAC_HIGH, 0xC);
break;
}
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
int
bwn_phy_force_clock(struct bwn_mac *mac, int force)
{
struct bwn_softc *sc;
uint32_t val, mask;
int error;
sc = mac->mac_sc;
/* XXX Only for N, HT and AC PHYs */
mask = BHND_IOCTL_CLK_FORCE;
if (force) {
val = BHND_IOCTL_CLK_FORCE;
} else {
val = 0;
}
if ((error = bhnd_write_ioctl(sc->sc_dev, val, mask))) {
device_printf(sc->sc_dev, "failed to set CLK_FORCE ioctl flag: "
"%d\n", error);
return (error);
}
return (0);
}
int
bwn_radio_wait_value(struct bwn_mac *mac, uint16_t offset, uint16_t mask,
uint16_t value, int delay, int timeout)
{
uint16_t val;
int i;
for (i = 0; i < timeout; i += delay) {
val = BWN_RF_READ(mac, offset);
if ((val & mask) == value)
return (1);
DELAY(delay);
}
return (0);
}
int
bwn_mac_phy_clock_set(struct bwn_mac *mac, int enabled)
{
struct bwn_softc *sc;
uint32_t val, mask;
int error;
sc = mac->mac_sc;
mask = BWN_IOCTL_MACPHYCLKEN;
if (enabled) {
val = BWN_IOCTL_MACPHYCLKEN;
} else {
val = 0;
}
if ((error = bhnd_write_ioctl(sc->sc_dev, val, mask))) {
device_printf(sc->sc_dev, "failed to set MACPHYCLKEN ioctl "
"flag: %d\n", error);
return (error);
}
return (0);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/BmacCorePllReset */
int
bwn_wireless_core_phy_pll_reset(struct bwn_mac *mac)
{
struct bwn_softc *sc;
uint32_t pll_flag;
sc = mac->mac_sc;
if (sc->sc_pmu == NULL) {
device_printf(sc->sc_dev, "PMU device not found\n");
return (ENXIO);
}
pll_flag = 0x4;
bhnd_pmu_write_chipctrl(sc->sc_pmu, 0x0, 0x0, pll_flag);
bhnd_pmu_write_chipctrl(sc->sc_pmu, 0x0, pll_flag, pll_flag);
bhnd_pmu_write_chipctrl(sc->sc_pmu, 0x0, 0x0, pll_flag);
return (0);
}
|
