diff options
| author | Chia-Yuan Li <leo.li@realtek.com> | 2024-04-26 09:12:00 +0300 |
|---|---|---|
| committer | Ping-Ke Shih <pkshih@realtek.com> | 2024-05-02 05:58:04 +0300 |
| commit | 4e5957101d421627ed9e7ef8ce43a7e50e6d5822 (patch) | |
| tree | 7e823ef7811d8b94638cdae926df29ffada82a44 /drivers/net/wireless | |
| parent | 535c045da60fec1afb31919a9df3e06574d4dc52 (diff) | |
| download | linux-4e5957101d421627ed9e7ef8ce43a7e50e6d5822.tar.xz | |
wifi: rtw89: 8852c: refine power sequence to imporve power consumption
Power sequence is a flow to enable/disable WiFi card with hardware
parameters. Adjust power and clock parameters according to results
of internal simulation and verification, so apply them to have better
power consumption.
Signed-off-by: Chia-Yuan Li <leo.li@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/20240426061200.44262-2-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852c.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index efc772eb79a4..3571b41786d7 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -203,6 +203,9 @@ static int rtw8852c_pwr_on_func(struct rtw89_dev *rtwdev) rtw89_write32_clr(rtwdev, R_AX_SYS_PW_CTRL, B_AX_APDM_HPDN); rtw89_write32_clr(rtwdev, R_AX_SYS_PW_CTRL, B_AX_APFM_SWLPS); + rtw89_write32_mask(rtwdev, R_AX_SPS_DIG_ON_CTRL0, + B_AX_OCP_L1_MASK, 0x7); + ret = read_poll_timeout(rtw89_read32, val32, val32 & B_AX_RDY_SYSPWR, 1000, 20000, false, rtwdev, R_AX_SYS_PW_CTRL); if (ret) @@ -266,7 +269,7 @@ static int rtw8852c_pwr_on_func(struct rtw89_dev *rtwdev) ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_ANAPAR_WL, 0, XTAL_SI_SRAM2RFC); if (ret) return ret; - ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_XTAL_XMD_2, 0, XTAL_SI_LDO_LPS); + ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_XTAL_XMD_2, 0x10, XTAL_SI_LDO_LPS); if (ret) return ret; ret = rtw89_mac_write_xtal_si(rtwdev, XTAL_SI_XTAL_XMD_4, 0, XTAL_SI_LPS_CAP); @@ -361,8 +364,11 @@ static int rtw8852c_pwr_off_func(struct rtw89_dev *rtwdev) if (ret) return ret; - rtw89_write32(rtwdev, R_AX_WLLPS_CTRL, 0x0001A0B0); + rtw89_write32(rtwdev, R_AX_WLLPS_CTRL, SW_LPS_OPTION); rtw89_write32_set(rtwdev, R_AX_SYS_PW_CTRL, B_AX_XTAL_OFF_A_DIE); + rtw89_write32_set(rtwdev, R_AX_SYS_SWR_CTRL1, B_AX_SYM_CTRL_SPS_PWMFREQ); + rtw89_write32_mask(rtwdev, R_AX_SPS_DIG_ON_CTRL0, + B_AX_REG_ZCDC_H_MASK, 0x3); rtw89_write32_set(rtwdev, R_AX_SYS_PW_CTRL, B_AX_APFM_SWLPS); return 0; |