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Signed-off-by: Bitterblue Smith --- v6: - Update copyright year. - Remove some unused includes. - Make all functions use the prefix "rtl92du". v5: - No change. v4: - Fix rf.h header guard. - Fix comment style. - Delete unnecessary label and goto. - Add empty lines. v3: - No change. v2: - Patch is new in v2, split from patch 3/3 in v1. --- .../wireless/realtek/rtlwifi/rtl8192du/rf.c | 240 ++++++++++++++++++ .../wireless/realtek/rtlwifi/rtl8192du/rf.h | 11 + 2 files changed, 251 insertions(+) create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.c create mode 100644 drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.h diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.c new file mode 100644 index 000000000000..044dd65eafd0 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.c @@ -0,0 +1,240 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2024 Realtek Corporation.*/ + +#include "../wifi.h" +#include "../rtl8192d/reg.h" +#include "../rtl8192d/phy_common.h" +#include "phy.h" +#include "rf.h" + +bool rtl92du_phy_enable_anotherphy(struct ieee80211_hw *hw, bool bmac0) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = &rtlpriv->rtlhal; + u8 mac_on_bit = bmac0 ? MAC1_ON : MAC0_ON; + u8 mac_reg = bmac0 ? REG_MAC1 : REG_MAC0; + bool bresult = true; /* true: need to enable BB/RF power */ + u32 maskforphyset = 0; + u16 val16; + u8 u1btmp; + + rtlhal->during_mac0init_radiob = false; + rtlhal->during_mac1init_radioa = false; + rtl_dbg(rtlpriv, COMP_RF, DBG_LOUD, "===>\n"); + + /* MAC0 Need PHY1 load radio_b.txt . Driver use DBI to write. */ + u1btmp = rtl_read_byte(rtlpriv, mac_reg); + if (!(u1btmp & mac_on_bit)) { + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "enable BB & RF\n"); + /* Enable BB and RF power */ + + maskforphyset = bmac0 ? MAC0_ACCESS_PHY1 : MAC1_ACCESS_PHY0; + + val16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN | maskforphyset); + val16 &= 0xfffc; + rtl_write_word(rtlpriv, REG_SYS_FUNC_EN | maskforphyset, val16); + + val16 = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN | maskforphyset); + val16 |= BIT(13) | BIT(0) | BIT(1); + rtl_write_word(rtlpriv, REG_SYS_FUNC_EN | maskforphyset, val16); + } else { + /* We think if MAC1 is ON,then radio_a.txt + * and radio_b.txt has been load. + */ + bresult = false; + } + rtl_dbg(rtlpriv, COMP_RF, DBG_LOUD, "<===\n"); + return bresult; +} + +void rtl92du_phy_powerdown_anotherphy(struct ieee80211_hw *hw, bool bmac0) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = &rtlpriv->rtlhal; + u8 mac_on_bit = bmac0 ? MAC1_ON : MAC0_ON; + u8 mac_reg = bmac0 ? REG_MAC1 : REG_MAC0; + u32 maskforphyset = 0; + u8 u1btmp; + + rtlhal->during_mac0init_radiob = false; + rtlhal->during_mac1init_radioa = false; + rtl_dbg(rtlpriv, COMP_RF, DBG_LOUD, "====>\n"); + + /* check MAC0 enable or not again now, if + * enabled, not power down radio A. + */ + u1btmp = rtl_read_byte(rtlpriv, mac_reg); + if (!(u1btmp & mac_on_bit)) { + rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "power down\n"); + /* power down RF radio A according to YuNan's advice. */ + maskforphyset = bmac0 ? MAC0_ACCESS_PHY1 : MAC1_ACCESS_PHY0; + rtl_write_dword(rtlpriv, RFPGA0_XA_LSSIPARAMETER | maskforphyset, + 0x00000000); + } + rtl_dbg(rtlpriv, COMP_RF, DBG_LOUD, "<====\n"); +} + +bool rtl92du_phy_rf6052_config(struct ieee80211_hw *hw) +{ + bool mac1_initradioa_first = false, mac0_initradiob_first = false; + bool need_pwrdown_radioa = false, need_pwrdown_radiob = false; + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = &rtlpriv->rtlhal; + struct rtl_phy *rtlphy = &rtlpriv->phy; + struct bb_reg_def *pphyreg; + bool true_bpath = false; + bool rtstatus = true; + u32 u4_regvalue = 0; + u8 rfpath; + + if (rtlphy->rf_type == RF_1T1R) + rtlphy->num_total_rfpath = 1; + else + rtlphy->num_total_rfpath = 2; + + /* Single phy mode: use radio_a radio_b config path_A path_B + * separately by MAC0, and MAC1 needn't configure RF; + * Dual PHY mode: MAC0 use radio_a config 1st phy path_A, + * MAC1 use radio_b config 2nd PHY path_A. + * DMDP, MAC0 on G band, MAC1 on A band. + */ + if (rtlhal->macphymode == DUALMAC_DUALPHY) { + if (rtlhal->current_bandtype == BAND_ON_2_4G && + rtlhal->interfaceindex == 0) { + /* MAC0 needs PHY1 load radio_b.txt. */ + if (rtl92du_phy_enable_anotherphy(hw, true)) { + rtlphy->num_total_rfpath = 2; + mac0_initradiob_first = true; + } else { + /* We think if MAC1 is ON,then radio_a.txt and + * radio_b.txt has been load. + */ + return rtstatus; + } + } else if (rtlhal->current_bandtype == BAND_ON_5G && + rtlhal->interfaceindex == 1) { + /* MAC1 needs PHY0 load radio_a.txt. */ + if (rtl92du_phy_enable_anotherphy(hw, false)) { + rtlphy->num_total_rfpath = 2; + mac1_initradioa_first = true; + } else { + /* We think if MAC0 is ON, then radio_a.txt and + * radio_b.txt has been load. + */ + return rtstatus; + } + } else if (rtlhal->interfaceindex == 1) { + /* MAC0 enabled, only init radia B. */ + true_bpath = true; + } + } + + for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) { + /* Mac1 use PHY0 write */ + if (mac1_initradioa_first) { + if (rfpath == RF90_PATH_A) { + rtlhal->during_mac1init_radioa = true; + need_pwrdown_radioa = true; + } else if (rfpath == RF90_PATH_B) { + rtlhal->during_mac1init_radioa = false; + mac1_initradioa_first = false; + rfpath = RF90_PATH_A; + true_bpath = true; + rtlphy->num_total_rfpath = 1; + } + } else if (mac0_initradiob_first) { + /* Mac0 use PHY1 write */ + if (rfpath == RF90_PATH_A) + rtlhal->during_mac0init_radiob = false; + if (rfpath == RF90_PATH_B) { + rtlhal->during_mac0init_radiob = true; + mac0_initradiob_first = false; + need_pwrdown_radiob = true; + rfpath = RF90_PATH_A; + true_bpath = true; + rtlphy->num_total_rfpath = 1; + } + } + + pphyreg = &rtlphy->phyreg_def[rfpath]; + + switch (rfpath) { + case RF90_PATH_A: + case RF90_PATH_C: + u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs, + BRFSI_RFENV); + break; + case RF90_PATH_B: + case RF90_PATH_D: + u4_regvalue = rtl_get_bbreg(hw, pphyreg->rfintfs, + BRFSI_RFENV << 16); + break; + } + + rtl_set_bbreg(hw, pphyreg->rfintfe, BRFSI_RFENV << 16, 0x1); + udelay(1); + rtl_set_bbreg(hw, pphyreg->rfintfo, BRFSI_RFENV, 0x1); + udelay(1); + + /* Set bit number of Address and Data for RF register */ + rtl_set_bbreg(hw, pphyreg->rfhssi_para2, + B3WIREADDRESSLENGTH, 0x0); + udelay(1); + rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0); + udelay(1); + + switch (rfpath) { + case RF90_PATH_A: + if (true_bpath) + rtstatus = rtl92du_phy_config_rf_with_headerfile( + hw, radiob_txt, + (enum radio_path)rfpath); + else + rtstatus = rtl92du_phy_config_rf_with_headerfile( + hw, radioa_txt, + (enum radio_path)rfpath); + break; + case RF90_PATH_B: + rtstatus = + rtl92du_phy_config_rf_with_headerfile(hw, radiob_txt, + (enum radio_path)rfpath); + break; + case RF90_PATH_C: + break; + case RF90_PATH_D: + break; + } + + switch (rfpath) { + case RF90_PATH_A: + case RF90_PATH_C: + rtl_set_bbreg(hw, pphyreg->rfintfs, BRFSI_RFENV, + u4_regvalue); + break; + case RF90_PATH_B: + case RF90_PATH_D: + rtl_set_bbreg(hw, pphyreg->rfintfs, BRFSI_RFENV << 16, + u4_regvalue); + break; + } + + if (!rtstatus) { + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, + "Radio[%d] Fail!!\n", rfpath); + return rtstatus; + } + } + + /* check MAC0 enable or not again, if enabled, + * not power down radio A. + * check MAC1 enable or not again, if enabled, + * not power down radio B. + */ + if (need_pwrdown_radioa) + rtl92du_phy_powerdown_anotherphy(hw, false); + else if (need_pwrdown_radiob) + rtl92du_phy_powerdown_anotherphy(hw, true); + rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n"); + + return rtstatus; +} diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.h new file mode 100644 index 000000000000..4a92cbdd00c0 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2024 Realtek Corporation.*/ + +#ifndef __RTL92DU_RF_H__ +#define __RTL92DU_RF_H__ + +bool rtl92du_phy_rf6052_config(struct ieee80211_hw *hw); +bool rtl92du_phy_enable_anotherphy(struct ieee80211_hw *hw, bool bmac0); +void rtl92du_phy_powerdown_anotherphy(struct ieee80211_hw *hw, bool bmac0); + +#endif