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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 <stf_xl@wp.pl>
Tested-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2013-03-16 19:19:47 +01:00 committed by John W. Linville
parent c630ccf1a1
commit 5bc2dd0646
2 changed files with 19 additions and 0 deletions
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3
drivers/net/wireless/rt2x00/rt2800.h
View File

@ -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
*/

16
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -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, &reg);
rt2x00_set_field8(&reg, 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;