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authorStanislaw Gruszka <stf_xl@wp.pl>2013-03-16 19:19:46 +0100
committerJohn W. Linville <linville@tuxdriver.com>2013-03-18 16:38:34 -0400
commitc630ccf1a127578421a928489d51e99c05037054 (patch)
tree5f16458f2f044270ac5df8b4f0a43c2dcfea346b /drivers/net/wireless/rt2x00/rt2800lib.c
parentrt2800: 5592: add iq calibration (diff)
downloadlinux-dev-c630ccf1a127578421a928489d51e99c05037054.tar.xz
linux-dev-c630ccf1a127578421a928489d51e99c05037054.zip
rt2800: rearrange bbp/rfcsr initialization
This makes order of initialization of various registers similar like on vendor driver. Based on: NICInitializeAsic() RT5592LoadRFNormalModeSetup() from: DPO_RT5572_LinuxSTA_2.6.1.3_20121022/common/rtmp_init.c DPO_RT5572_LinuxSTA_2.6.1.3_20121022/chip/rt5592.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>
Diffstat (limited to '')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c50
1 files changed, 45 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index e96ea3298c7c..e36cf4a233fe 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4713,6 +4713,9 @@ static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
{
+ u8 reg;
+ u16 eeprom;
+
rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
@@ -4740,6 +4743,35 @@ static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
msleep(1);
rt2800_adjust_freq_offset(rt2x00dev);
+
+ rt2800_bbp_read(rt2x00dev, 138, &reg);
+
+ /* 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(&reg, BBP138_RX_ADC1, 0);
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
+ rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
+
+ rt2800_bbp_write(rt2x00dev, 138, reg);
+
+ /* Enable DC filter */
+ if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
+ rt2800_bbp_write(rt2x00dev, 103, 0xc0);
+
+ rt2800_rfcsr_read(rt2x00dev, 38, &reg);
+ rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
+ rt2800_rfcsr_write(rt2x00dev, 38, reg);
+
+ rt2800_rfcsr_read(rt2x00dev, 39, &reg);
+ rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
+ rt2800_rfcsr_write(rt2x00dev, 39, reg);
+
+ rt2800_bbp4_mac_if_ctrl(rt2x00dev);
+
+ rt2800_rfcsr_read(rt2x00dev, 30, &reg);
+ rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
+ rt2800_rfcsr_write(rt2x00dev, 30, reg);
}
static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
@@ -4817,7 +4849,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
break;
case RT5592:
rt2800_init_rfcsr_5592(rt2x00dev);
- break;
+ return 0;
}
if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
@@ -5024,15 +5056,23 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
* Initialize all registers.
*/
if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
- rt2800_init_registers(rt2x00dev) ||
- rt2800_init_bbp(rt2x00dev) ||
- rt2800_init_rfcsr(rt2x00dev)))
+ rt2800_init_registers(rt2x00dev)))
return -EIO;
/*
* Send signal to firmware during boot time.
*/
- rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
+ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+ rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+ if (rt2x00_is_usb(rt2x00dev)) {
+ rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
+ rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
+ }
+ msleep(1);
+
+ if (unlikely(rt2800_init_bbp(rt2x00dev) ||
+ rt2800_init_rfcsr(rt2x00dev)))
+ return -EIO;
if (rt2x00_is_usb(rt2x00dev) &&
(rt2x00_rt(rt2x00dev, RT3070) ||