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 <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index b650569..7b5c593 100644 (file)
--- 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 */
 }