[PATCH v2 08/12] wifi: rtlwifi: Add rtl8192du/rf.{c,h}

Bitterblue Smith
2024-03-17T18:52:40Z

These contain one RF configuration function and some functions related
to dual MAC operation.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
---
Patch is new in v2, split from patch 3/3 in v1.
---
.../wireless/realtek/rtlwifi/rtl8192du/rf.c | 236 ++++++++++++++++++
.../wireless/realtek/rtlwifi/rtl8192du/rf.h | 11 +
2 files changed, 247 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..afdf03940015
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.c
@@ -0,0 +1,236 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "../rtl8192d/reg.h"
+#include "../rtl8192d/def.h"
+#include "../rtl8192d/phy_common.h"
+#include "../rtl8192d/rf_common.h"
+#include "phy.h"
+#include "rf.h"
+#include "dm.h"
+#include "hw.h"
+
+bool rtl92d_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 rtl92d_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 rtl92d_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 (rtl92d_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 (rtl92d_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 = rtl92d_phy_config_rf_with_headerfile(
+ hw, radiob_txt,
+ (enum radio_path)rfpath);
+ else
+ rtstatus = rtl92d_phy_config_rf_with_headerfile(
+ hw, radioa_txt,
+ (enum radio_path)rfpath);
+ break;
+ case RF90_PATH_B:
+ rtstatus =
+ rtl92d_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);
+ goto phy_rf_cfg_fail;
+ }
+ }
+
+ /* 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)
+ rtl92d_phy_powerdown_anotherphy(hw, false);
+ else if (need_pwrdown_radiob)
+ rtl92d_phy_powerdown_anotherphy(hw, true);
+ rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, "<---\n");
+ return rtstatus;
+
+phy_rf_cfg_fail:
+ 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..c097d90cc99c
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192du/rf.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#ifndef __RTL92D_RF_H__
+#define __RTL92D_RF_H__
+
+bool rtl92d_phy_rf6052_config(struct ieee80211_hw *hw);
+bool rtl92d_phy_enable_anotherphy(struct ieee80211_hw *hw, bool bmac0);
+void rtl92d_phy_powerdown_anotherphy(struct ieee80211_hw *hw, bool bmac0);
+
+#endif
--
2.43.2