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openwrt-xburst/package/mac80211/patches/312-rt2x00-Channel-HT40-fixes-rt2800pci.patch
juhosg 5ae9d01982 [package] mac80211: add rt2800 patches from the rt2x00 git rope 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14435 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-02-08 10:22:43 +00:00

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From 1dabaea63944d04d03f29817f7641bcb3ed22014 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, &reg);
- 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, &reg);
- 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, &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);
+ 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.
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