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
|
From 1c042f183a52db009c2c0940ecff04ae954318e2 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sun, 8 Feb 2009 00:08:37 +0100
Subject: [PATCH] rt2x00: Channel HT40+/- fixes (rt2800pci)
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/rt2800pci.c | 69 +++++++++++++++----------------
drivers/net/wireless/rt2x00/rt2800pci.h | 3 +-
2 files changed, 36 insertions(+), 36 deletions(-)
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -603,7 +603,7 @@ static void rt2800pci_config_ant(struct
rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
break;
case 2:
- rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 16);
+ rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
break;
case 3:
/* Do nothing */
@@ -653,6 +653,7 @@ static void rt2800pci_config_lna_gain(st
}
static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_conf *conf,
struct rf_channel *rf,
struct channel_info *info)
{
@@ -660,34 +661,20 @@ static void rt2800pci_config_channel(str
unsigned int tx_pin;
u16 eeprom;
- tx_pin = 0;
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
-
rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
/*
* Determine antenna settings from EEPROM
*/
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1) {
rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
- /* Turn off unused PA or LNA when only 1T or 1R */
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 0);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 0);
}
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1) {
rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
- /* Turn off unused PA or LNA when only 1T or 1R */
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 0);
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 0);
} else if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 2)
rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
@@ -715,19 +702,14 @@ static void rt2800pci_config_channel(str
rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
TXPOWER_A_TO_DEV(info->tx_power2));
-
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
} else {
rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
TXPOWER_G_TO_DEV(info->tx_power1));
rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
TXPOWER_G_TO_DEV(info->tx_power2));
-
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
}
- rt2x00_set_field32(&rf->rf4, RF4_BW40,
- test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags));
+ rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
@@ -764,11 +746,6 @@ static void rt2800pci_config_channel(str
rt2800pci_bbp_write(rt2x00dev, 82, 0x84);
rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
}
-
- rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, ®);
- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 0);
- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 1);
- rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
} else {
rt2800pci_bbp_write(rt2x00dev, 82, 0xf2);
@@ -776,13 +753,35 @@ static void rt2800pci_config_channel(str
rt2800pci_bbp_write(rt2x00dev, 75, 0x46);
else
rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
+ }
- rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, ®);
- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 1);
- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 0);
- rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
+ rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, ®);
+ rt2x00_set_field32(®, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
+ rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14);
+ rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14);
+ rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
+
+ tx_pin = 0;
+
+ /* Turn on unused PA or LNA when not using 1T or 1R */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) != 1) {
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
+ }
+
+ /* Turn on unused PA or LNA when not using 1T or 1R */
+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) != 1) {
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
}
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
+
rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
msleep(1);
@@ -917,8 +916,8 @@ static void rt2800pci_config(struct rt2x
rt2800pci_config_lna_gain(rt2x00dev, libconf);
if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
- rt2800pci_config_channel(rt2x00dev, &libconf->rf,
- &libconf->channel);
+ rt2800pci_config_channel(rt2x00dev, libconf->conf,
+ &libconf->rf, &libconf->channel);
if (flags & IEEE80211_CONF_CHANGE_POWER)
rt2800pci_config_txpower(rt2x00dev, libconf->conf->power_level);
if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
@@ -2724,14 +2723,14 @@ static const struct rt2x00lib_ops rt2800
static const struct data_queue_desc rt2800pci_queue_rx = {
.entry_num = RX_ENTRIES,
- .data_size = DATA_FRAME_SIZE,
+ .data_size = AGGREGATION_SIZE,
.desc_size = RXD_DESC_SIZE,
.priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct data_queue_desc rt2800pci_queue_tx = {
.entry_num = TX_ENTRIES,
- .data_size = DATA_FRAME_SIZE,
+ .data_size = AGGREGATION_SIZE,
.desc_size = TXD_DESC_SIZE,
.priv_size = sizeof(struct queue_entry_priv_pci),
};
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -791,6 +791,7 @@
* TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
*/
#define TX_BAND_CFG 0x132c
+#define TX_BAND_CFG_HT40_PLUS FIELD32(0x00000001)
#define TX_BAND_CFG_A FIELD32(0x00000002)
#define TX_BAND_CFG_BG FIELD32(0x00000004)
@@ -1496,7 +1497,7 @@ struct mac_iveiv_entry {
#define RF4_TXPOWER_A_7DBM_BOOST FIELD32(0x00000040)
#define RF4_TXPOWER_A FIELD32(0x00000780)
#define RF4_FREQ_OFFSET FIELD32(0x001f8000)
-#define RF4_BW40 FIELD32(0x00200000)
+#define RF4_HT40 FIELD32(0x00200000)
/*
* EEPROM content.
|
