/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
}
-static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+static inline void rt61pci_set_vgc(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, u8 vgc_level)
{
- rt61pci_bbp_write(rt2x00dev, 17, 0x20);
- rt2x00dev->link.vgc_level = 0x20;
+ if (qual->vgc_level != vgc_level) {
+ rt61pci_bbp_write(rt2x00dev, 17, vgc_level);
+ qual->vgc_level = vgc_level;
+ qual->vgc_level_reg = vgc_level;
+ }
+}
+
+static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual)
+{
+ rt61pci_set_vgc(rt2x00dev, qual, 0x20);
}
-static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, const u32 count)
{
- int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
- u8 r17;
u8 up_bound;
u8 low_bound;
- rt61pci_bbp_read(rt2x00dev, 17, &r17);
-
/*
* Determine r17 bounds.
*/
/*
* Special big-R17 for very short distance
*/
- if (rssi >= -35) {
- if (r17 != 0x60)
- rt61pci_bbp_write(rt2x00dev, 17, 0x60);
+ if (qual->rssi >= -35) {
+ rt61pci_set_vgc(rt2x00dev, qual, 0x60);
return;
}
/*
* Special big-R17 for short distance
*/
- if (rssi >= -58) {
- if (r17 != up_bound)
- rt61pci_bbp_write(rt2x00dev, 17, up_bound);
+ if (qual->rssi >= -58) {
+ rt61pci_set_vgc(rt2x00dev, qual, up_bound);
return;
}
/*
* Special big-R17 for middle-short distance
*/
- if (rssi >= -66) {
- low_bound += 0x10;
- if (r17 != low_bound)
- rt61pci_bbp_write(rt2x00dev, 17, low_bound);
+ if (qual->rssi >= -66) {
+ rt61pci_set_vgc(rt2x00dev, qual, low_bound + 0x10);
return;
}
/*
* Special mid-R17 for middle distance
*/
- if (rssi >= -74) {
- low_bound += 0x08;
- if (r17 != low_bound)
- rt61pci_bbp_write(rt2x00dev, 17, low_bound);
+ if (qual->rssi >= -74) {
+ rt61pci_set_vgc(rt2x00dev, qual, low_bound + 0x08);
return;
}
* Special case: Change up_bound based on the rssi.
* Lower up_bound when rssi is weaker then -74 dBm.
*/
- up_bound -= 2 * (-74 - rssi);
+ up_bound -= 2 * (-74 - qual->rssi);
if (low_bound > up_bound)
up_bound = low_bound;
- if (r17 > up_bound) {
- rt61pci_bbp_write(rt2x00dev, 17, up_bound);
+ if (qual->vgc_level > up_bound) {
+ rt61pci_set_vgc(rt2x00dev, qual, up_bound);
return;
}
* r17 does not yet exceed upper limit, continue and base
* the r17 tuning on the false CCA count.
*/
- if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
- if (++r17 > up_bound)
- r17 = up_bound;
- rt61pci_bbp_write(rt2x00dev, 17, r17);
- } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
- if (--r17 < low_bound)
- r17 = low_bound;
- rt61pci_bbp_write(rt2x00dev, 17, r17);
- }
+ if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
+ rt61pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level);
+ else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
+ rt61pci_set_vgc(rt2x00dev, qual, --qual->vgc_level);
}
/*
rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_OFDM,
- test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
+ (txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0);
rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0);
- rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_RX_FIXED, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_TX_FIXED, 0);
rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
*/
if (rt2x00_rf(&rt2x00dev->chip, RF2529) &&
!test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) {
- switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) {
- case 0:
- rt2x00dev->default_ant.tx = ANTENNA_B;
- rt2x00dev->default_ant.rx = ANTENNA_A;
- break;
- case 1:
- rt2x00dev->default_ant.tx = ANTENNA_B;
- rt2x00dev->default_ant.rx = ANTENNA_B;
- break;
- case 2:
- rt2x00dev->default_ant.tx = ANTENNA_A;
- rt2x00dev->default_ant.rx = ANTENNA_A;
- break;
- case 3:
- rt2x00dev->default_ant.tx = ANTENNA_A;
- rt2x00dev->default_ant.rx = ANTENNA_B;
- break;
- }
+ rt2x00dev->default_ant.rx =
+ ANTENNA_A + rt2x00_get_field16(eeprom, EEPROM_NIC_RX_FIXED);
+ rt2x00dev->default_ant.tx =
+ ANTENNA_B - rt2x00_get_field16(eeprom, EEPROM_NIC_TX_FIXED);
if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY))
rt2x00dev->default_ant.tx = ANTENNA_SW_DIVERSITY;
*/
rt2x00dev->hw->flags =
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM;
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK;
rt2x00dev->hw->extra_tx_headroom = 0;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);