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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>
This commit is contained in:
Gabor Juhos 2013-07-08 16:08:19 +02:00 committed by John W. Linville
parent ab7078ac3d
commit d63f7e8ca5
1 changed files with 47 additions and 1 deletions
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48
drivers/net/wireless/rt2x00/rt2800lib.c
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@ -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 */
}