openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

rt2x00: Fix and fine-tune rf registers for RT3070/RT3071/RT3090 

Basically fix and fine-tune RT3070/RT3071/RT3090 chip RF initial value
when call rt2800_init_rfcsr

Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
RA-Jay Hung 2011-01-10 11:28:10 +01:00 committed by John W. Linville
parent 7f6e144fb9
commit 80d184e6cf
2 changed files with 23 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/rt2x00/rt2800.h
View File

@ -1804,6 +1804,12 @@ struct mac_iveiv_entry {
*/
#define RFCSR30_RF_CALIBRATION FIELD8(0x80)
/*
* RFCSR 31:
*/
#define RFCSR31_RX_AGC_FC FIELD8(0x1f)
#define RFCSR31_RX_H20M FIELD8(0x20)
/*
* RF registers
*/

25
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -2436,6 +2436,10 @@ static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
rt2800_bbp_write(rt2x00dev, 4, bbp);
rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
@ -2510,7 +2514,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
@ -2602,12 +2606,12 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
} else if (rt2x00_rt(rt2x00dev, RT3071) ||
rt2x00_rt(rt2x00dev, RT3090)) {
rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
@ -2619,6 +2623,10 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
}
rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
} else if (rt2x00_rt(rt2x00dev, RT3390)) {
rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
@ -2670,10 +2678,11 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
if (rt2x00_rt(rt2x00dev, RT3070) ||
rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
if (!test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
@ -2686,6 +2695,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
if (rt2x00_rt(rt2x00dev, RT3090)) {
rt2800_bbp_read(rt2x00dev, 138, &bbp);
/* Turn off unused DAC1 and ADC1 to reduce power consumption */
rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
@ -2719,10 +2729,9 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
}
if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071)) {
if (rt2x00_rt(rt2x00dev, RT3070)) {
rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E))
if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
else
rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);