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rt2x00: Split EEPROM_NIC_TX_RX_FIXED

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The 2 bits in EEPROM_NIC_TX_RX_FIXED each influence
a different antenna. We might as well split the
definition and directly read the correct bit.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2008-12-20 10:57:47 +01:00 committed by John W. Linville
parent ce292a6402
commit 91581b6272
2 changed files with 8 additions and 20 deletions
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25
drivers/net/wireless/rt2x00/rt61pci.c
View File

@ -2230,7 +2230,8 @@ static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
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);
@ -2374,24 +2375,10 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
*/
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;

3
drivers/net/wireless/rt2x00/rt61pci.h
View File

@ -1190,7 +1190,8 @@ struct hw_pairwise_ta_entry {
#define EEPROM_NIC 0x0011
#define EEPROM_NIC_ENABLE_DIVERSITY FIELD16(0x0001)
#define EEPROM_NIC_TX_DIVERSITY FIELD16(0x0002)
#define EEPROM_NIC_TX_RX_FIXED FIELD16(0x000c)
#define EEPROM_NIC_RX_FIXED FIELD16(0x0004)
#define EEPROM_NIC_TX_FIXED FIELD16(0x0008)
#define EEPROM_NIC_EXTERNAL_LNA_BG FIELD16(0x0010)
#define EEPROM_NIC_CARDBUS_ACCEL FIELD16(0x0020)
#define EEPROM_NIC_EXTERNAL_LNA_A FIELD16(0x0040)