diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192ce/phy.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192ce/phy.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c index 73ae8a431848..abe0fcc75368 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c @@ -366,6 +366,75 @@ bool rtl92c_phy_config_rf_with_headerfile(struct ieee80211_hw *hw, return true; } +void rtl92ce_phy_set_bw_mode_callback(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + u8 reg_bw_opmode; + u8 reg_prsr_rsc; + + RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, + ("Switch to %s bandwidth\n", + rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20 ? + "20MHz" : "40MHz")) + + if (is_hal_stop(rtlhal)) { + rtlphy->set_bwmode_inprogress = false; + return; + } + + reg_bw_opmode = rtl_read_byte(rtlpriv, REG_BWOPMODE); + reg_prsr_rsc = rtl_read_byte(rtlpriv, REG_RRSR + 2); + + switch (rtlphy->current_chan_bw) { + case HT_CHANNEL_WIDTH_20: + reg_bw_opmode |= BW_OPMODE_20MHZ; + rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode); + break; + case HT_CHANNEL_WIDTH_20_40: + reg_bw_opmode &= ~BW_OPMODE_20MHZ; + rtl_write_byte(rtlpriv, REG_BWOPMODE, reg_bw_opmode); + reg_prsr_rsc = + (reg_prsr_rsc & 0x90) | (mac->cur_40_prime_sc << 5); + rtl_write_byte(rtlpriv, REG_RRSR + 2, reg_prsr_rsc); + break; + default: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + ("unknown bandwidth: %#X\n", rtlphy->current_chan_bw)); + break; + } + + switch (rtlphy->current_chan_bw) { + case HT_CHANNEL_WIDTH_20: + rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x0); + rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x0); + rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 1); + break; + case HT_CHANNEL_WIDTH_20_40: + rtl_set_bbreg(hw, RFPGA0_RFMOD, BRFMOD, 0x1); + rtl_set_bbreg(hw, RFPGA1_RFMOD, BRFMOD, 0x1); + + rtl_set_bbreg(hw, RCCK0_SYSTEM, BCCK_SIDEBAND, + (mac->cur_40_prime_sc >> 1)); + rtl_set_bbreg(hw, ROFDM1_LSTF, 0xC00, mac->cur_40_prime_sc); + rtl_set_bbreg(hw, RFPGA0_ANALOGPARAMETER2, BIT(10), 0); + + rtl_set_bbreg(hw, 0x818, (BIT(26) | BIT(27)), + (mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER) ? 2 : 1); + break; + default: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + ("unknown bandwidth: %#X\n", rtlphy->current_chan_bw)); + break; + } + rtl92ce_phy_rf6052_set_bandwidth(hw, rtlphy->current_chan_bw); + rtlphy->set_bwmode_inprogress = false; + RT_TRACE(rtlpriv, COMP_SCAN, DBG_TRACE, ("<==\n")); +} + void _rtl92ce_phy_lc_calibrate(struct ieee80211_hw *hw, bool is2t) { u8 tmpreg; |