From d63f7e8ca560dc9a76a15c323cb9cba14b25f430 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 8 Jul 2013 16:08:19 +0200 Subject: [PATCH] rt2x00: rt2800lib: add BBP post initialization for RT3593 Based on the Ralink DPO_RT5572_LinuxSTA_2.6.0.1_20120629 driver. Reference: RT3593_PostBBPInitialization in chips/rt3553.c Signed-off-by: Gabor Juhos Acked-by: Stanislaw Gruszka Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800lib.c | 48 ++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index b6505699629a..7b5c593b6118 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -5381,6 +5381,52 @@ static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev) rt2800_normal_mode_setup_3xxx(rt2x00dev); } +static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev) +{ + u8 bbp; + bool txbf_enabled = false; /* FIXME */ + + rt2800_bbp_read(rt2x00dev, 105, &bbp); + if (rt2x00dev->default_ant.rx_chain_num == 1) + rt2x00_set_field8(&bbp, BBP105_MLD, 0); + else + rt2x00_set_field8(&bbp, BBP105_MLD, 1); + rt2800_bbp_write(rt2x00dev, 105, bbp); + + rt2800_bbp4_mac_if_ctrl(rt2x00dev); + + rt2800_bbp_write(rt2x00dev, 92, 0x02); + rt2800_bbp_write(rt2x00dev, 82, 0x82); + rt2800_bbp_write(rt2x00dev, 106, 0x05); + rt2800_bbp_write(rt2x00dev, 104, 0x92); + rt2800_bbp_write(rt2x00dev, 88, 0x90); + rt2800_bbp_write(rt2x00dev, 148, 0xc8); + rt2800_bbp_write(rt2x00dev, 47, 0x48); + rt2800_bbp_write(rt2x00dev, 120, 0x50); + + if (txbf_enabled) + rt2800_bbp_write(rt2x00dev, 163, 0xbd); + else + rt2800_bbp_write(rt2x00dev, 163, 0x9d); + + /* SNR mapping */ + rt2800_bbp_write(rt2x00dev, 142, 6); + rt2800_bbp_write(rt2x00dev, 143, 160); + rt2800_bbp_write(rt2x00dev, 142, 7); + rt2800_bbp_write(rt2x00dev, 143, 161); + rt2800_bbp_write(rt2x00dev, 142, 8); + rt2800_bbp_write(rt2x00dev, 143, 162); + + /* ADC/DAC control */ + rt2800_bbp_write(rt2x00dev, 31, 0x08); + + /* RX AGC energy lower bound in log2 */ + rt2800_bbp_write(rt2x00dev, 68, 0x0b); + + /* FIXME: BBP 105 owerwrite? */ + rt2800_bbp_write(rt2x00dev, 105, 0x04); +} + static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; @@ -5459,7 +5505,7 @@ static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev) rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3593(rt2x00dev); - /* TODO: post BBP initialization */ + rt3593_post_bbp_init(rt2x00dev); /* TODO: enable stream mode support */ } -- 2.30.2