From a2e71a0bbf4f04b7419ee1c81d8a49ecf05e4539 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Tue, 20 Nov 2012 07:19:08 +0000 Subject: [PATCH] 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 Signed-off-by: Gabor Juhos SVN-Revision: 34268 --- .../622-rt2x00-fix-rt3352-ext-pa.patch | 212 ++++++++++++++++++ 1 file changed, 212 insertions(+) create mode 100644 package/mac80211/patches/622-rt2x00-fix-rt3352-ext-pa.patch diff --git a/package/mac80211/patches/622-rt2x00-fix-rt3352-ext-pa.patch b/package/mac80211/patches/622-rt2x00-fix-rt3352-ext-pa.patch new file mode 100644 index 0000000000..8015a12090 --- /dev/null +++ b/package/mac80211/patches/622-rt2x00-fix-rt3352-ext-pa.patch @@ -0,0 +1,212 @@ +--- 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, + }; + + /* -- 2.30.2