From 5bc2dd0646106181f3591fa18d9a6881c6fe6edf Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Sat, 16 Mar 2013 19:19:47 +0100 Subject: [PATCH] rt2800: add write_with_rx_chain function Based on: AsicBBPWriteWithRxChain() from: DPO_RT5572_LinuxSTA_2.6.1.3_20121022/chips/rtmp_chip.c Signed-off-by: Stanislaw Gruszka Tested-by: Wanlong Gao Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800.h | 3 +++ drivers/net/wireless/rt2x00/rt2800lib.c | 16 ++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index 25c94b5..6105243 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -1939,6 +1939,9 @@ struct mac_iveiv_entry { #define BBP4_BANDWIDTH FIELD8(0x18) #define BBP4_MAC_IF_CTRL FIELD8(0x40) +/* BBP27 */ +#define BBP27_RX_CHAIN_SEL FIELD8(0x60) + /* * BBP 47: Bandwidth */ diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index e36cf4a..9fa10b0 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2458,6 +2458,22 @@ static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev, rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F); } +static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev, + const unsigned int word, + const u8 value) +{ + u8 chain, reg; + + for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) { + rt2800_bbp_read(rt2x00dev, 27, ®); + rt2x00_set_field8(®, BBP27_RX_CHAIN_SEL, chain); + rt2800_bbp_write(rt2x00dev, 27, reg); + + rt2800_bbp_write(rt2x00dev, word, value); + } +} + + static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel) { u8 cal; -- 2.7.4