From cabb550e2b97b8ea42124a93d4665ca052f3e3ff Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Thu, 14 Apr 2016 16:37:17 -0400 Subject: [PATCH] rtl8xxxu: Fix 8188RU support The 8188RU does not like PAPE to be enabled, while all the other gen1 parts seem to require it. This makes the RTL8188RU able to associate for me. Signed-off-by: Jes Sorensen Signed-off-by: Kalle Valo --- .../net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 21 ++++++++++++------- .../net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 1 + 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c index 422e7fa6756d4a..cf7832bfdde80b 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c @@ -3145,6 +3145,7 @@ static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv) sprintf(priv->chip_name, "8188RU"); priv->rtl_chip = RTL8188R; priv->hi_pa = 1; + priv->no_pape = 1; priv->power_base = &rtl8188r_power_base; } @@ -5555,9 +5556,12 @@ static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000); - val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL); - val32 |= (FPGA0_RF_PAPE | (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); - rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); + if (!priv->no_pape) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL); + val32 |= (FPGA0_RF_PAPE | + (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); + rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); + } val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE); val32 &= ~BIT(10); @@ -7804,11 +7808,14 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, 0x00000003); val32 = FPGA0_RF_TRSW | FPGA0_RF_TRSWB | FPGA0_RF_ANTSW | - FPGA0_RF_ANTSWB | FPGA0_RF_PAPE | - ((FPGA0_RF_ANTSW | FPGA0_RF_ANTSWB | FPGA0_RF_PAPE) << - FPGA0_RF_BD_CTRL_SHIFT); - + FPGA0_RF_ANTSWB | + ((FPGA0_RF_ANTSW | FPGA0_RF_ANTSWB) << FPGA0_RF_BD_CTRL_SHIFT); + if (!priv->no_pape) { + val32 |= (FPGA0_RF_PAPE | + (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); + } rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); + /* 0x860[6:5]= 00 - why? - this sets antenna B */ if (priv->rtl_chip != RTL8192E) rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, 0x66f60210); diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index ebd1a6e7b81348..3e2643c79b56c8 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -1287,6 +1287,7 @@ struct rtl8xxxu_priv { u32 bb_recovery_backup[RTL8XXXU_BB_REGS]; enum rtl8xxxu_rtl_chip rtl_chip; u8 pi_enabled:1; + u8 no_pape:1; u8 int_buf[USB_INTR_CONTENT_LENGTH]; };