194 lines
7.3 KiB
Diff
194 lines
7.3 KiB
Diff
From 1c042f183a52db009c2c0940ecff04ae954318e2 Mon Sep 17 00:00:00 2001
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From: Ivo van Doorn <IvDoorn@gmail.com>
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Date: Sun, 8 Feb 2009 00:08:37 +0100
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Subject: [PATCH] rt2x00: Channel HT40+/- fixes (rt2800pci)
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Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
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---
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drivers/net/wireless/rt2x00/rt2800pci.c | 69 +++++++++++++++----------------
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drivers/net/wireless/rt2x00/rt2800pci.h | 3 +-
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2 files changed, 36 insertions(+), 36 deletions(-)
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diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
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index 95eb053..ddea65b 100644
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--- a/drivers/net/wireless/rt2x00/rt2800pci.c
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+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
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@@ -603,7 +603,7 @@ static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev,
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rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
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break;
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case 2:
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- rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 16);
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+ rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
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break;
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case 3:
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/* Do nothing */
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@@ -653,6 +653,7 @@ static void rt2800pci_config_lna_gain(struct rt2x00_dev *rt2x00dev,
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}
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static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
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+ struct ieee80211_conf *conf,
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struct rf_channel *rf,
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struct channel_info *info)
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{
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@@ -660,34 +661,20 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
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unsigned int tx_pin;
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u16 eeprom;
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- tx_pin = 0;
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
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-
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rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
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/*
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* Determine antenna settings from EEPROM
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*/
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rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
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+
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if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1) {
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rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
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- /* Turn off unused PA or LNA when only 1T or 1R */
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 0);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 0);
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}
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if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1) {
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rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
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rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
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- /* Turn off unused PA or LNA when only 1T or 1R */
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 0);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 0);
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} else if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 2)
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rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
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@@ -715,19 +702,14 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
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rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
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TXPOWER_A_TO_DEV(info->tx_power2));
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-
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
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} else {
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rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
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TXPOWER_G_TO_DEV(info->tx_power1));
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rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
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TXPOWER_G_TO_DEV(info->tx_power2));
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-
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
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}
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- rt2x00_set_field32(&rf->rf4, RF4_BW40,
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- test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags));
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+ rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
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rt2800pci_rf_write(rt2x00dev, 1, rf->rf1);
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rt2800pci_rf_write(rt2x00dev, 2, rf->rf2);
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@@ -764,11 +746,6 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
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rt2800pci_bbp_write(rt2x00dev, 82, 0x84);
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rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
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}
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-
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- rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, ®);
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- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 0);
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- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 1);
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- rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
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} else {
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rt2800pci_bbp_write(rt2x00dev, 82, 0xf2);
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@@ -776,13 +753,35 @@ static void rt2800pci_config_channel(struct rt2x00_dev *rt2x00dev,
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rt2800pci_bbp_write(rt2x00dev, 75, 0x46);
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else
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rt2800pci_bbp_write(rt2x00dev, 75, 0x50);
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+ }
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- rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, ®);
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- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_A, 1);
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- rt2x00_set_field32(&rf->rf3, TX_BAND_CFG_BG, 0);
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- rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
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+ rt2x00pci_register_read(rt2x00dev, TX_BAND_CFG, ®);
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+ rt2x00_set_field32(®, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
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+ rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14);
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+ rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14);
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+ rt2x00pci_register_write(rt2x00dev, TX_BAND_CFG, reg);
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+
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+ tx_pin = 0;
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+
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+ /* Turn on unused PA or LNA when not using 1T or 1R */
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+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) != 1) {
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
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+ }
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+
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+ /* Turn on unused PA or LNA when not using 1T or 1R */
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+ if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) != 1) {
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
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}
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
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+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
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+
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rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
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msleep(1);
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@@ -917,8 +916,8 @@ static void rt2800pci_config(struct rt2x00_dev *rt2x00dev,
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rt2800pci_config_lna_gain(rt2x00dev, libconf);
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if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
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- rt2800pci_config_channel(rt2x00dev, &libconf->rf,
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- &libconf->channel);
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+ rt2800pci_config_channel(rt2x00dev, libconf->conf,
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+ &libconf->rf, &libconf->channel);
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if (flags & IEEE80211_CONF_CHANGE_POWER)
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rt2800pci_config_txpower(rt2x00dev, libconf->conf->power_level);
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if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
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@@ -2724,14 +2723,14 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
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static const struct data_queue_desc rt2800pci_queue_rx = {
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.entry_num = RX_ENTRIES,
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- .data_size = DATA_FRAME_SIZE,
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+ .data_size = AGGREGATION_SIZE,
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.desc_size = RXD_DESC_SIZE,
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.priv_size = sizeof(struct queue_entry_priv_pci),
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};
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static const struct data_queue_desc rt2800pci_queue_tx = {
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.entry_num = TX_ENTRIES,
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- .data_size = DATA_FRAME_SIZE,
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+ .data_size = AGGREGATION_SIZE,
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.desc_size = TXD_DESC_SIZE,
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.priv_size = sizeof(struct queue_entry_priv_pci),
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};
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diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
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index 39f045c..0682a6a 100644
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--- a/drivers/net/wireless/rt2x00/rt2800pci.h
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+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
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@@ -791,6 +791,7 @@
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* TX_BAND_CFG: 0x1 use upper 20MHz, 0x0 use lower 20MHz
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*/
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#define TX_BAND_CFG 0x132c
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+#define TX_BAND_CFG_HT40_PLUS FIELD32(0x00000001)
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#define TX_BAND_CFG_A FIELD32(0x00000002)
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#define TX_BAND_CFG_BG FIELD32(0x00000004)
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@@ -1496,7 +1497,7 @@ struct mac_iveiv_entry {
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#define RF4_TXPOWER_A_7DBM_BOOST FIELD32(0x00000040)
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#define RF4_TXPOWER_A FIELD32(0x00000780)
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#define RF4_FREQ_OFFSET FIELD32(0x001f8000)
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-#define RF4_BW40 FIELD32(0x00200000)
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+#define RF4_HT40 FIELD32(0x00200000)
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/*
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* EEPROM content.
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--
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1.6.0
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