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
|
/*
* Radio tuning for Philips SA2400 on RTL8180
*
* Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
*
* Code from the BSD driver and the rtl8181 project have been
* very useful to understand certain things
*
* I want to thanks the Authors of such projects and the Ndiswrapper
* project Authors.
*
* A special Big Thanks also is for all people who donated me cards,
* making possible the creation of the original rtl8180 driver
* from which this code is derived!
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <net/mac80211.h>
#include "rtl8180.h"
#include "rtl8180_sa2400.h"
static const u32 sa2400_chan[] = {
0x00096c, /* ch1 */
0x080970,
0x100974,
0x180978,
0x000980,
0x080984,
0x100988,
0x18098c,
0x000994,
0x080998,
0x10099c,
0x1809a0,
0x0009a8,
0x0009b4, /* ch 14 */
};
static void write_sa2400(struct ieee80211_hw *dev, u8 addr, u32 data)
{
struct rtl8180_priv *priv = dev->priv;
u32 phy_config;
/* MAC will bang bits to the sa2400. sw 3-wire is NOT used */
phy_config = 0xb0000000;
phy_config |= ((u32)(addr & 0xf)) << 24;
phy_config |= data & 0xffffff;
rtl818x_iowrite32(priv,
(__le32 __iomem *) &priv->map->RFPinsOutput, phy_config);
msleep(3);
}
static void sa2400_write_phy_antenna(struct ieee80211_hw *dev, short chan)
{
struct rtl8180_priv *priv = dev->priv;
u8 ant = SA2400_ANTENNA;
if (priv->rfparam & RF_PARAM_ANTBDEFAULT)
ant |= BB_ANTENNA_B;
if (chan == 14)
ant |= BB_ANTATTEN_CHAN14;
rtl8180_write_phy(dev, 0x10, ant);
}
static void sa2400_rf_set_channel(struct ieee80211_hw *dev,
struct ieee80211_conf *conf)
{
struct rtl8180_priv *priv = dev->priv;
u32 txpw = priv->channels[conf->channel - 1].val & 0xFF;
u32 chan = sa2400_chan[conf->channel - 1];
write_sa2400(dev, 7, txpw);
sa2400_write_phy_antenna(dev, chan);
write_sa2400(dev, 0, chan);
write_sa2400(dev, 1, 0xbb50);
write_sa2400(dev, 2, 0x80);
write_sa2400(dev, 3, 0);
}
static void sa2400_rf_stop(struct ieee80211_hw *dev)
{
write_sa2400(dev, 4, 0);
}
static void sa2400_rf_init(struct ieee80211_hw *dev)
{
struct rtl8180_priv *priv = dev->priv;
u32 anaparam, txconf;
u8 firdac;
int analogphy = priv->rfparam & RF_PARAM_ANALOGPHY;
anaparam = priv->anaparam;
anaparam &= ~(1 << ANAPARAM_TXDACOFF_SHIFT);
anaparam &= ~ANAPARAM_PWR1_MASK;
anaparam &= ~ANAPARAM_PWR0_MASK;
if (analogphy) {
anaparam |= SA2400_ANA_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT;
firdac = 0;
} else {
anaparam |= (SA2400_DIG_ANAPARAM_PWR1_ON << ANAPARAM_PWR1_SHIFT);
anaparam |= (SA2400_ANAPARAM_PWR0_ON << ANAPARAM_PWR0_SHIFT);
firdac = 1 << SA2400_REG4_FIRDAC_SHIFT;
}
rtl8180_set_anaparam(priv, anaparam);
write_sa2400(dev, 0, sa2400_chan[0]);
write_sa2400(dev, 1, 0xbb50);
write_sa2400(dev, 2, 0x80);
write_sa2400(dev, 3, 0);
write_sa2400(dev, 4, 0x19340 | firdac);
write_sa2400(dev, 5, 0x1dfb | (SA2400_MAX_SENS - 54) << 15);
write_sa2400(dev, 4, 0x19348 | firdac); /* calibrate VCO */
if (!analogphy)
write_sa2400(dev, 4, 0x1938c); /*???*/
write_sa2400(dev, 4, 0x19340 | firdac);
write_sa2400(dev, 0, sa2400_chan[0]);
write_sa2400(dev, 1, 0xbb50);
write_sa2400(dev, 2, 0x80);
write_sa2400(dev, 3, 0);
write_sa2400(dev, 4, 0x19344 | firdac); /* calibrate filter */
/* new from rtl8180 embedded driver (rtl8181 project) */
write_sa2400(dev, 6, 0x13ff | (1 << 23)); /* MANRX */
write_sa2400(dev, 8, 0); /* VCO */
if (analogphy) {
rtl8180_set_anaparam(priv, anaparam |
(1 << ANAPARAM_TXDACOFF_SHIFT));
txconf = rtl818x_ioread32(priv, &priv->map->TX_CONF);
rtl818x_iowrite32(priv, &priv->map->TX_CONF,
txconf | RTL818X_TX_CONF_LOOPBACK_CONT);
write_sa2400(dev, 4, 0x19341); /* calibrates DC */
/* a 5us sleep is required here,
* we rely on the 3ms delay introduced in write_sa2400 */
write_sa2400(dev, 4, 0x19345);
/* a 20us sleep is required here,
* we rely on the 3ms delay introduced in write_sa2400 */
rtl818x_iowrite32(priv, &priv->map->TX_CONF, txconf);
rtl8180_set_anaparam(priv, anaparam);
}
/* end new code */
write_sa2400(dev, 4, 0x19341 | firdac); /* RTX MODE */
/* baseband configuration */
rtl8180_write_phy(dev, 0, 0x98);
rtl8180_write_phy(dev, 3, 0x38);
rtl8180_write_phy(dev, 4, 0xe0);
rtl8180_write_phy(dev, 5, 0x90);
rtl8180_write_phy(dev, 6, 0x1a);
rtl8180_write_phy(dev, 7, 0x64);
sa2400_write_phy_antenna(dev, 1);
rtl8180_write_phy(dev, 0x11, 0x80);
if (rtl818x_ioread8(priv, &priv->map->CONFIG2) &
RTL818X_CONFIG2_ANTENNA_DIV)
rtl8180_write_phy(dev, 0x12, 0xc7); /* enable ant diversity */
else
rtl8180_write_phy(dev, 0x12, 0x47); /* disable ant diversity */
rtl8180_write_phy(dev, 0x13, 0x90 | priv->csthreshold);
rtl8180_write_phy(dev, 0x19, 0x0);
rtl8180_write_phy(dev, 0x1a, 0xa0);
}
const struct rtl818x_rf_ops sa2400_rf_ops = {
.name = "Philips",
.init = sa2400_rf_init,
.stop = sa2400_rf_stop,
.set_chan = sa2400_rf_set_channel
};
|
