mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 00:09:01 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14435 3c298f89-4303-0410-b956-a3cf2f4a3e73
259 lines
8.9 KiB
Diff
259 lines
8.9 KiB
Diff
From c2288ea288283cea727dfa547339d245458071fc 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 00:09:22 +0100
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Subject: [PATCH] rt2x00: Channel HT40+/- fixes (rt2800usb)
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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/rt2800usb.c | 107 ++++++++++++++++--------------
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drivers/net/wireless/rt2x00/rt2800usb.h | 5 +-
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2 files changed, 61 insertions(+), 51 deletions(-)
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--- a/drivers/net/wireless/rt2x00/rt2800usb.c
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+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
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@@ -641,7 +641,7 @@ static void rt2800usb_config_ant(struct
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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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@@ -691,6 +691,7 @@ static void rt2800usb_config_lna_gain(st
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}
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static void rt2800usb_config_channel_rt2x(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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@@ -702,6 +703,7 @@ static void rt2800usb_config_channel_rt2
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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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@@ -742,8 +744,7 @@ static void rt2800usb_config_channel_rt2
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TXPOWER_G_TO_DEV(info->tx_power2));
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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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rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
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rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
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@@ -766,6 +767,7 @@ static void rt2800usb_config_channel_rt2
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}
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static void rt2800usb_config_channel_rt3x(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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@@ -787,10 +789,12 @@ static void rt2800usb_config_channel_rt3
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rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
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rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
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- if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
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- rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration_bw40);
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+ if (conf_is_ht40(conf))
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+ rt2800usb_rfcsr_write(rt2x00dev, 24,
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+ rt2x00dev->calibration_bw40);
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else
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- rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration_bw20);
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+ rt2800usb_rfcsr_write(rt2x00dev, 24,
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+ rt2x00dev->calibration_bw20);
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rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
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rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
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@@ -798,46 +802,24 @@ static void rt2800usb_config_channel_rt3
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}
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static void rt2800usb_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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u32 reg;
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unsigned int tx_pin;
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u16 eeprom;
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+ u8 bbp;
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- if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
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- rt2800usb_config_channel_rt2x(rt2x00dev, rf, info);
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- else
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- rt2800usb_config_channel_rt3x(rt2x00dev, rf, info);
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-
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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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+ /*
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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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- /* Turn off unused PA or LNA when only 1T or 1R */
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- if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1) {
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-
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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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-
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- /* Turn off unused PA or LNA when only 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, 0);
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 0);
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- }
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-
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- if (rf->channel > 14)
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
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+ if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
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+ rt2800usb_config_channel_rt2x(rt2x00dev, conf, rf, info);
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else
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- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
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+ rt2800usb_config_channel_rt3x(rt2x00dev, conf, rf, info);
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/*
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* Change BBP settings
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@@ -855,11 +837,6 @@ static void rt2800usb_config_channel(str
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rt2800usb_bbp_write(rt2x00dev, 82, 0x84);
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rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
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}
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-
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- rt2x00usb_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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- rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
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} else {
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rt2800usb_bbp_write(rt2x00dev, 82, 0xf2);
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@@ -867,15 +844,45 @@ static void rt2800usb_config_channel(str
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rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
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else
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rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
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+ }
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+
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+ rt2x00usb_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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+ rt2x00usb_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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- rt2x00usb_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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- rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
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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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rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
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+ rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
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+ rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
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+ rt2800usb_bbp_write(rt2x00dev, 4, bbp);
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+
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+ rt2800usb_bbp_read(rt2x00dev, 3, &bbp);
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+ rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
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+ rt2800usb_bbp_write(rt2x00dev, 3, bbp);
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+
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msleep(1);
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}
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@@ -1008,8 +1015,8 @@ static void rt2800usb_config(struct rt2x
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rt2800usb_config_lna_gain(rt2x00dev, libconf);
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if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
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- rt2800usb_config_channel(rt2x00dev, &libconf->rf,
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- &libconf->channel);
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+ rt2800usb_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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rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
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if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
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@@ -1643,7 +1650,7 @@ static u8 rt2800usb_init_rx_filter(struc
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if (bw40) {
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rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
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- rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0x10);
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+ rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2);
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rt2800usb_bbp_write(rt2x00dev, 4, bbp);
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}
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@@ -2777,14 +2784,14 @@ static const struct rt2x00lib_ops rt2800
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static const struct data_queue_desc rt2800usb_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 + RXWI_DESC_SIZE,
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.priv_size = sizeof(struct queue_entry_priv_usb),
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};
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static const struct data_queue_desc rt2800usb_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 = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
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.priv_size = sizeof(struct queue_entry_priv_usb),
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};
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--- a/drivers/net/wireless/rt2x00/rt2800usb.h
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+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
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@@ -803,6 +803,7 @@
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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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@@ -1482,10 +1483,12 @@ struct mac_iveiv_entry {
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* BBP 3: RX Antenna
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*/
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#define BBP3_RX_ANTENNA FIELD8(0x18)
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+#define BBP3_HT40_PLUS FIELD8(0x20)
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/*
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* BBP 4: Bandwidth
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*/
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+#define BBP4_TX_BF FIELD8(0x01)
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#define BBP4_BANDWIDTH FIELD8(0x18)
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/*
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@@ -1548,7 +1551,7 @@ 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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