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rt2x00: Fix rt2800 txpower setting to correct value

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TX_PWR_CFG_* setting need to consider below cases
-compesate 20M/40M tx power delta for 2.4/5GHZ band
-limit maximum EIRP tx power to power_level of
 regulatory requirement

Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
RA-Jay Hung
2011-02-20 13:55:25 +01:00
committed by John W. Linville
parent d96aa64096
commit e90c54b235
3 changed files with 198 additions and 76 deletions
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37
drivers/net/wireless/rt2x00/rt2800.h
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@@ -1703,11 +1703,14 @@ struct mac_iveiv_entry {
*/
/*
* BBP 1: TX Antenna & Power
* POWER: 0 - normal, 1 - drop tx power by 6dBm, 2 - drop tx power by 12dBm,
* 3 - increase tx power by 6dBm
* BBP 1: TX Antenna & Power Control
* POWER_CTRL:
* 0 - normal,
* 1 - drop tx power by 6dBm,
* 2 - drop tx power by 12dBm,
* 3 - increase tx power by 6dBm
*/
#define BBP1_TX_POWER FIELD8(0x07)
#define BBP1_TX_POWER_CTRL FIELD8(0x07)
#define BBP1_TX_ANTENNA FIELD8(0x18)
/*
@@ -2001,23 +2004,26 @@ struct mac_iveiv_entry {
#define EEPROM_RSSI_A2_LNA_A2 FIELD16(0xff00)
/*
* EEPROM Maximum TX power values
* EEPROM EIRP Maximum TX power values(unit: dbm)
*/
#define EEPROM_MAX_TX_POWER 0x0027
#define EEPROM_MAX_TX_POWER_24GHZ FIELD16(0x00ff)
#define EEPROM_MAX_TX_POWER_5GHZ FIELD16(0xff00)
#define EEPROM_EIRP_MAX_TX_POWER 0x0027
#define EEPROM_EIRP_MAX_TX_POWER_2GHZ FIELD16(0x00ff)
#define EEPROM_EIRP_MAX_TX_POWER_5GHZ FIELD16(0xff00)
/*
* EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
* This is delta in 40MHZ.
* VALUE: Tx Power dalta value (MAX=4)
* VALUE: Tx Power dalta value, MAX=4(unit: dbm)
* TYPE: 1: Plus the delta value, 0: minus the delta value
* TXPOWER: Enable:
* ENABLE: enable tx power compensation for 40BW
*/
#define EEPROM_TXPOWER_DELTA 0x0028
#define EEPROM_TXPOWER_DELTA_VALUE FIELD16(0x003f)
#define EEPROM_TXPOWER_DELTA_TYPE FIELD16(0x0040)
#define EEPROM_TXPOWER_DELTA_TXPOWER FIELD16(0x0080)
#define EEPROM_TXPOWER_DELTA_VALUE_2G FIELD16(0x003f)
#define EEPROM_TXPOWER_DELTA_TYPE_2G FIELD16(0x0040)
#define EEPROM_TXPOWER_DELTA_ENABLE_2G FIELD16(0x0080)
#define EEPROM_TXPOWER_DELTA_VALUE_5G FIELD16(0x3f00)
#define EEPROM_TXPOWER_DELTA_TYPE_5G FIELD16(0x4000)
#define EEPROM_TXPOWER_DELTA_ENABLE_5G FIELD16(0x8000)
/*
* EEPROM TXPOWER 802.11BG
@@ -2215,4 +2221,9 @@ struct mac_iveiv_entry {
#define TXPOWER_A_TO_DEV(__txpower) \
clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
/*
* Board's maximun TX power limitation
*/
#define EIRP_MAX_TX_POWER_LIMIT 0x50
#endif /* RT2800_H */