-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(-)
-
---- 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, ®);
-- 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, ®);
-+ rt2x00_set_field32(®, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
-+ rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14);
-+ rt2x00_set_field32(®, 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, ®);
-- 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.
projects / openwrt.git / commitdiff