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rt2x00: Correctly set txmixer_gain in RT3572 channel switching.

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Align with the v2.5.0.0 Ralink RT3572 driver.

Save the EEPROM txmixer_gain values inside the rt2800 driver data structure
and use it throughout the code.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2012-02-06 23:45:13 +01:00 committed by John W. Linville
parent 58b8ae14d5
commit 77c06c2cb4
2 changed files with 40 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/net/wireless/rt2x00/rt2800.h
View File

@ -1848,6 +1848,11 @@ struct mac_iveiv_entry {
*/
#define RFCSR15_TX_LO2_EN FIELD8(0x08)
/*
* RFCSR 16:
*/
#define RFCSR16_TXMIXER_GAIN FIELD8(0x07)
/*
* RFCSR 17:
*/
@ -2110,6 +2115,12 @@ struct mac_iveiv_entry {
#define EEPROM_RSSI_A2_OFFSET2 FIELD16(0x00ff)
#define EEPROM_RSSI_A2_LNA_A2 FIELD16(0xff00)
/*
* EEPROM TXMIXER GAIN A offset (note overlaps with EEPROM RSSI A2).
*/
#define EEPROM_TXMIXER_GAIN_A 0x0026
#define EEPROM_TXMIXER_GAIN_A_VAL FIELD16(0x0007)
/*
* EEPROM EIRP Maximum TX power values(unit: dbm)
*/
@ -2448,6 +2459,8 @@ struct rt2800_drv_data {
u8 calibration_bw40;
u8 bbp25;
u8 bbp26;
u8 txmixer_gain_24g;
u8 txmixer_gain_5g;
};
#endif /* RT2800_H */

34
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -1856,7 +1856,10 @@ static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
rfcsr = 0x4c;
rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
drv_data->txmixer_gain_24g);
rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
@ -1875,7 +1878,10 @@ static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
rt2800_rfcsr_write(rt2x00dev, 16, 0x7a);
rfcsr = 0x7a;
rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
drv_data->txmixer_gain_5g);
rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
if (rf->channel <= 64) {
rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
@ -3672,11 +3678,8 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
&rt2x00dev->cap_flags))
rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1)
rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
rt2x00_get_field16(eeprom,
EEPROM_TXMIXER_GAIN_BG_VAL));
rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
drv_data->txmixer_gain_24g);
rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
}
@ -3884,6 +3887,7 @@ EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
{
struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
u16 word;
u8 *mac;
u8 default_lna_gain;
@ -3967,6 +3971,14 @@ int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
if ((word & 0x00ff) != 0x00ff) {
drv_data->txmixer_gain_24g =
rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
} else {
drv_data->txmixer_gain_24g = 0;
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
@ -3976,6 +3988,14 @@ int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
default_lna_gain);
rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
if ((word & 0x00ff) != 0x00ff) {
drv_data->txmixer_gain_5g =
rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
} else {
drv_data->txmixer_gain_5g = 0;
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);