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openwrt/package/mac80211/patches/312-rt2x00-Channel-HT40-fix...

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From 1ef7772f766c72f9b767d32cc0b26d457a34ace2 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(-)
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 1709e87..29ecaa8 100644
--- 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_dev *rt2x00dev,
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(struct rt2x00_dev *rt2x00dev,
}
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_rt2x(struct rt2x00_dev *rt2x00dev,
* 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_rt2x(struct rt2x00_dev *rt2x00dev,
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_rt2x(struct rt2x00_dev *rt2x00dev,
}
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_rt3x(struct rt2x00_dev *rt2x00dev,
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_rt3x(struct rt2x00_dev *rt2x00dev,
}
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(struct rt2x00_dev *rt2x00dev,
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(struct rt2x00_dev *rt2x00dev,
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 rt2x00_dev *rt2x00dev,
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(struct rt2x00_dev *rt2x00dev,
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 rt2800usb_rt2x00_ops = {
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),
};
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h
index db2eedd..ffccc21 100644
--- 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.
--
1.6.0
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