aboutsummaryrefslogtreecommitdiffstats
path: root/package/mac80211/patches/313-rt2x00-Channel-HT40-fixes-rt2800usb.patch
blob: 14191c2a7a1586df3d3b33ba7cc5bd73c9898c1c (plain)
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
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
From c2288ea288283cea727dfa547339d245458071fc Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sun, 8 Feb 2009 00:09:22 +0100
Subject: [PATCH] rt2x00: Channel HT40+/- fixes (rt2800usb)

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c |  107 ++++++++++++++++--------------
 drivers/net/wireless/rt2x00/rt2800usb.h |    5 +-
 2 files changed, 61 insertions(+), 51 deletions(-)

--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -641,7 +641,7 @@ static void rt2800usb_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 */
@@ -691,6 +691,7 @@ static void rt2800usb_config_lna_gain(st
 }
 
 static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
+					  struct ieee80211_conf *conf,
 					  struct rf_channel *rf,
 					  struct channel_info *info)
 {
@@ -702,6 +703,7 @@ static void rt2800usb_config_channel_rt2
 	 * 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);
 
@@ -742,8 +744,7 @@ static void rt2800usb_config_channel_rt2
 				   TXPOWER_G_TO_DEV(info->tx_power2));
 	}
 
-	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));
 
 	rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
 	rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
@@ -766,6 +767,7 @@ static void rt2800usb_config_channel_rt2
 }
 
 static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
+					  struct ieee80211_conf *conf,
 					  struct rf_channel *rf,
 					  struct channel_info *info)
 {
@@ -787,10 +789,12 @@ static void rt2800usb_config_channel_rt3
 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
 	rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
 
-	if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
-		rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration_bw40);
+	if (conf_is_ht40(conf))
+		rt2800usb_rfcsr_write(rt2x00dev, 24,
+				      rt2x00dev->calibration_bw40);
 	else
-		rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration_bw20);
+		rt2800usb_rfcsr_write(rt2x00dev, 24,
+				      rt2x00dev->calibration_bw20);
 
 	rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
@@ -798,46 +802,24 @@ static void rt2800usb_config_channel_rt3
 }
 
 static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
+				     struct ieee80211_conf *conf,
 				     struct rf_channel *rf,
 				     struct channel_info *info)
 {
 	u32 reg;
 	unsigned int tx_pin;
 	u16 eeprom;
+	u8 bbp;
 
-	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
-		rt2800usb_config_channel_rt2x(rt2x00dev, rf, info);
-	else
-		rt2800usb_config_channel_rt3x(rt2x00dev, rf, info);
-
-	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);
-
+	/*
+	 * Determine antenna settings from EEPROM
+	 */
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
 
-	/* Turn off unused PA or LNA when only 1T or 1R */
-	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1) {
-		
-		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);
-	}
-
-	/* Turn off unused PA or LNA when only 1T or 1R */
-	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1) {
-		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);
-	}
-
-	if (rf->channel > 14)
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
+	if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
+		rt2800usb_config_channel_rt2x(rt2x00dev, conf, rf, info);
 	else
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
+		rt2800usb_config_channel_rt3x(rt2x00dev, conf, rf, info);
 
 	/*
 	 * Change BBP settings
@@ -855,11 +837,6 @@ static void rt2800usb_config_channel(str
 			rt2800usb_bbp_write(rt2x00dev, 82, 0x84);
 			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
 		}
-
-		rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
-		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 0);
-		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 1);
-		rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
 	} else {
 		rt2800usb_bbp_write(rt2x00dev, 82, 0xf2);
 
@@ -867,15 +844,45 @@ static void rt2800usb_config_channel(str
 			rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
 		else
 			rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
+	}
+
+	rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
+	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
+	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
+	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
+	rt2x00usb_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);
+	}
 
-		rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
-		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 1);
-		rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 0);
-		rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
+	/* 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);
+
 	rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
+	rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
+	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
+	rt2800usb_bbp_write(rt2x00dev, 4, bbp);
+
+	rt2800usb_bbp_read(rt2x00dev, 3, &bbp);
+	rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
+	rt2800usb_bbp_write(rt2x00dev, 3, bbp);
+
 	msleep(1);
 }
 
@@ -1008,8 +1015,8 @@ static void rt2800usb_config(struct rt2x
 	rt2800usb_config_lna_gain(rt2x00dev, libconf);
 
 	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
-		rt2800usb_config_channel(rt2x00dev, &libconf->rf,
-					 &libconf->channel);
+		rt2800usb_config_channel(rt2x00dev, libconf->conf,
+					 &libconf->rf, &libconf->channel);
 	if (flags & IEEE80211_CONF_CHANGE_POWER)
 		rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
@@ -1643,7 +1650,7 @@ static u8 rt2800usb_init_rx_filter(struc
 
 	if (bw40) {
 		rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
-		rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0x10);
+		rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2);
 		rt2800usb_bbp_write(rt2x00dev, 4, bbp);
 	}
 
@@ -2777,14 +2784,14 @@ static const struct rt2x00lib_ops rt2800
 
 static const struct data_queue_desc rt2800usb_queue_rx = {
 	.entry_num		= RX_ENTRIES,
-	.data_size		= DATA_FRAME_SIZE,
+	.data_size		= AGGREGATION_SIZE,
 	.desc_size		= RXD_DESC_SIZE + RXWI_DESC_SIZE,
 	.priv_size		= sizeof(struct queue_entry_priv_usb),
 };
 
 static const struct data_queue_desc rt2800usb_queue_tx = {
 	.entry_num		= TX_ENTRIES,
-	.data_size		= DATA_FRAME_SIZE,
+	.data_size		= AGGREGATION_SIZE,
 	.desc_size		= TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
 	.priv_size		= sizeof(struct queue_entry_priv_usb),
 };
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -803,6 +803,7 @@
  * 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)
 
@@ -1482,10 +1483,12 @@ struct mac_iveiv_entry {
  * BBP 3: RX Antenna
  */
 #define BBP3_RX_ANTENNA			FIELD8(0x18)
+#define BBP3_HT40_PLUS			FIELD8(0x20)
 
 /*
  * BBP 4: Bandwidth
  */
+#define BBP4_TX_BF			FIELD8(0x01)
 #define BBP4_BANDWIDTH			FIELD8(0x18)
 
 /*
@@ -1548,7 +1551,7 @@ 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.