rt2x00: Fix rt2800 txpower setting to correct value
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>
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index ef8f605..457887c 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1703,11 +1703,14 @@
*/
/*
- * 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 @@
#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 @@
#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 */