From e3bab197622276faac83eac3dfb993967d8d47e3 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Mon, 30 Jan 2012 16:17:57 +0100 Subject: [PATCH] rt2800: radio 3xxx: program RF_R1 during channel switch Synchronize code with Ralink driver: 2011_0719_RT3070_RT3370_RT5370_RT5372_Linux_STA_V2.5.0.3_DPO Based on functions: RT33xx_ChipSwitchChannel RT30xx_ChipSwitchChannel RT33xx_Init Signed-off-by: Stanislaw Gruszka Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800lib.c | 34 +++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 006347e4d6ef..1bdf1ec33cd0 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1665,6 +1665,40 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev, rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); + rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); + rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); + if (rt2x00_rt(rt2x00dev, RT3390)) { + rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, + rt2x00dev->default_ant.rx_chain_num == 1); + rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, + rt2x00dev->default_ant.tx_chain_num == 1); + } else { + rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); + rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); + + switch (rt2x00dev->default_ant.tx_chain_num) { + case 1: + rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); + /* fall through */ + case 2: + rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); + break; + } + + switch (rt2x00dev->default_ant.rx_chain_num) { + case 1: + rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); + /* fall through */ + case 2: + rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); + break; + } + } + rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); + rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);