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openwrtv4/package/mac80211/patches/622-rt2x00-fix-rt3352-ext-pa.patch

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mac80211/rt2x00: support Rt3352 with external PA This is needed for WiFi to work e.g. on DIR-615 rev.H1. Signed-off-by: Daniel Golle <dgolle@allnet.de> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 34268
2012-11-20 07:19:08 +00:00
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2271,15 +2271,18 @@ static void rt2800_config_channel(struct
/*
* Change BBP settings
*/
+ rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+ rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+ rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+
if (rt2x00_rt(rt2x00dev, RT3352)) {
rt2800_bbp_write(rt2x00dev, 27, 0x0);
rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 27, 0x20);
rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
+ rt2800_bbp_write(rt2x00dev, 86, 0x38);
+ rt2800_bbp_write(rt2x00dev, 83, 0x6a);
} else {
- rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
- rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
- rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 86, 0);
}
@@ -3850,6 +3853,7 @@ static int rt2800_init_rfcsr(struct rt2x
* Init RF calibration.
*/
if (rt2x00_rt(rt2x00dev, RT3290) ||
+ rt2x00_rt(rt2x00dev, RT3352) ||
rt2x00_rt(rt2x00dev, RT5390) ||
rt2x00_rt(rt2x00dev, RT5392)) {
rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
@@ -4036,6 +4040,10 @@ static int rt2800_init_rfcsr(struct rt2x
rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
return 0;
} else if (rt2x00_rt(rt2x00dev, RT3352)) {
+ int tx0_int_pa = test_bit(CAPABILITY_INTERNAL_PA_TX0,
+ &rt2x00dev->cap_flags);
+ int tx1_int_pa = test_bit(CAPABILITY_INTERNAL_PA_TX1,
+ &rt2x00dev->cap_flags);
rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
@@ -4069,15 +4077,30 @@ static int rt2800_init_rfcsr(struct rt2x
rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
- rt2800_rfcsr_write(rt2x00dev, 34, 0x01);
+ rfcsr = 0x01;
+ if (!tx0_int_pa)
+ rt2x00_set_field8(&rfcsr, RFCSR34_TX0_EXT_PA, 1);
+ if (!tx1_int_pa)
+ rt2x00_set_field8(&rfcsr, RFCSR34_TX1_EXT_PA, 1);
+ rt2800_rfcsr_write(rt2x00dev, 34, rfcsr );
rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
- rt2800_rfcsr_write(rt2x00dev, 41, 0x5b);
- rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
+ rfcsr = 0x52;
+ if (tx0_int_pa) {
+ rt2x00_set_field8(&rfcsr, RFCSR41_BIT1, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR41_BIT4, 1);
+ }
+ rt2800_rfcsr_write(rt2x00dev, 41, rfcsr);
+ rfcsr = 0x52;
+ if (tx1_int_pa) {
+ rt2x00_set_field8(&rfcsr, RFCSR42_BIT1, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR42_BIT4, 1);
+ }
+ rt2800_rfcsr_write(rt2x00dev, 42, rfcsr);
rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
@@ -4085,15 +4108,20 @@ static int rt2800_init_rfcsr(struct rt2x
rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
- rt2800_rfcsr_write(rt2x00dev, 50, 0x2d);
- rt2800_rfcsr_write(rt2x00dev, 51, 0x7f);
- rt2800_rfcsr_write(rt2x00dev, 52, 0x00);
- rt2800_rfcsr_write(rt2x00dev, 53, 0x52);
- rt2800_rfcsr_write(rt2x00dev, 54, 0x1b);
- rt2800_rfcsr_write(rt2x00dev, 55, 0x7f);
- rt2800_rfcsr_write(rt2x00dev, 56, 0x00);
- rt2800_rfcsr_write(rt2x00dev, 57, 0x52);
- rt2800_rfcsr_write(rt2x00dev, 58, 0x1b);
+ rfcsr = 0x2d;
+ if (!tx0_int_pa)
+ rt2x00_set_field8(&rfcsr, RFCSR50_TX0_EXT_PA, 1);
+ if (!tx1_int_pa)
+ rt2x00_set_field8(&rfcsr, RFCSR50_TX1_EXT_PA, 1);
+ rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
+ rt2800_rfcsr_write(rt2x00dev, 51, (tx0_int_pa ? 0x7f : 0x52));
+ rt2800_rfcsr_write(rt2x00dev, 52, (tx0_int_pa ? 0x00 : 0xc0));
+ rt2800_rfcsr_write(rt2x00dev, 53, (tx0_int_pa ? 0x52 : 0xd2));
+ rt2800_rfcsr_write(rt2x00dev, 54, (tx0_int_pa ? 0x1b : 0xc0));
+ rt2800_rfcsr_write(rt2x00dev, 55, (tx1_int_pa ? 0x7f : 0x52));
+ rt2800_rfcsr_write(rt2x00dev, 56, (tx1_int_pa ? 0x00 : 0xc0));
+ rt2800_rfcsr_write(rt2x00dev, 57, (tx0_int_pa ? 0x52 : 0x49));
+ rt2800_rfcsr_write(rt2x00dev, 58, (tx1_int_pa ? 0x1b : 0xc0));
rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
@@ -4854,7 +4882,8 @@ static int rt2800_init_eeprom(struct rt2
/*
* Detect if this device has Bluetooth co-existence.
*/
- if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
+ if (!rt2x00_rt(rt2x00dev, RT3352) &&
+ rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
__set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
/*
@@ -4883,6 +4912,22 @@ static int rt2800_init_eeprom(struct rt2
EIRP_MAX_TX_POWER_LIMIT)
__set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
+ /*
+ * Detect if device uses internal or external PA
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
+
+ if (rt2x00_rt(rt2x00dev, RT3352)) {
+ if (!rt2x00_get_field16(eeprom,
+ EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352))
+ __set_bit(CAPABILITY_INTERNAL_PA_TX0,
+ &rt2x00dev->cap_flags);
+ if (!rt2x00_get_field16(eeprom,
+ EEPROM_NIC_CONF1_EXTERNAL_TX1_PA_3352))
+ __set_bit(CAPABILITY_INTERNAL_PA_TX1,
+ &rt2x00dev->cap_flags);
+ }
+
return 0;
}
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -2115,6 +2115,12 @@ struct mac_iveiv_entry {
#define RFCSR31_RX_CALIB FIELD8(0x7f)
/*
+ * RFCSR 34:
+ */
+#define RFCSR34_TX0_EXT_PA FIELD8(0x04)
+#define RFCSR34_TX1_EXT_PA FIELD8(0x08)
+
+/*
* RFCSR 38:
*/
#define RFCSR38_RX_LO1_EN FIELD8(0x20)
@@ -2125,6 +2131,18 @@ struct mac_iveiv_entry {
#define RFCSR39_RX_LO2_EN FIELD8(0x80)
/*
+ * RFCSR 41:
+ */
+#define RFCSR41_BIT1 FIELD8(0x01)
+#define RFCSR41_BIT4 FIELD8(0x08)
+
+/*
+ * RFCSR 42:
+ */
+#define RFCSR42_BIT1 FIELD8(0x01)
+#define RFCSR42_BIT4 FIELD8(0x08)
+
+/*
* RFCSR 49:
*/
#define RFCSR49_TX FIELD8(0x3f)
@@ -2133,6 +2151,8 @@ struct mac_iveiv_entry {
* RFCSR 50:
*/
#define RFCSR50_TX FIELD8(0x3f)
+#define RFCSR50_TX0_EXT_PA FIELD8(0x02)
+#define RFCSR50_TX1_EXT_PA FIELD8(0x10)
/*
* RF registers
@@ -2220,6 +2240,8 @@ struct mac_iveiv_entry {
* INTERNAL_TX_ALC: 0: disable, 1: enable
* BT_COEXIST: 0: disable, 1: enable
* DAC_TEST: 0: disable, 1: enable
+ * EXTERNAL_TX0_PA: 0: disable, 1: enable (only on RT3352)
+ * EXTERNAL_TX1_PA: 0: disable, 1: enable (only on RT3352)
*/
#define EEPROM_NIC_CONF1 0x001b
#define EEPROM_NIC_CONF1_HW_RADIO FIELD16(0x0001)
@@ -2237,6 +2259,8 @@ struct mac_iveiv_entry {
#define EEPROM_NIC_CONF1_INTERNAL_TX_ALC FIELD16(0x2000)
#define EEPROM_NIC_CONF1_BT_COEXIST FIELD16(0x4000)
#define EEPROM_NIC_CONF1_DAC_TEST FIELD16(0x8000)
+#define EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352 FIELD16(0x4000)
+#define EEPROM_NIC_CONF1_EXTERNAL_TX1_PA_3352 FIELD16(0x8000)
/*
* EEPROM frequency
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -743,6 +743,8 @@ enum rt2x00_capability_flags {
CAPABILITY_DOUBLE_ANTENNA,
CAPABILITY_BT_COEXIST,
CAPABILITY_VCO_RECALIBRATION,
+ CAPABILITY_INTERNAL_PA_TX0,
+ CAPABILITY_INTERNAL_PA_TX1,
};
/*
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