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author | Jes Sorensen <Jes.Sorensen@redhat.com> | 2014-11-30 16:05:06 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-12-02 16:40:00 -0800 |
commit | b024793188002b9eed452b5f6a04d45003ed5772 (patch) | |
tree | c9acc7b98c34021ff85b51af373456d49fd4c552 /drivers/staging/rtl8723au | |
parent | 0e316c225100e68e082f57bf1959382f2e345648 (diff) | |
download | linux-stable-b024793188002b9eed452b5f6a04d45003ed5772.tar.gz linux-stable-b024793188002b9eed452b5f6a04d45003ed5772.tar.bz2 linux-stable-b024793188002b9eed452b5f6a04d45003ed5772.zip |
staging: rtl8723au: phy_SsPwrSwitch92CU() was never called with bRegSSPwrLvl != 1
Get rid of the alternate code paths since these weren't used and have
never been tested according to the in-code comments.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8723au')
-rw-r--r-- | drivers/staging/rtl8723au/hal/usb_halinit.c | 322 |
1 files changed, 84 insertions, 238 deletions
diff --git a/drivers/staging/rtl8723au/hal/usb_halinit.c b/drivers/staging/rtl8723au/hal/usb_halinit.c index cd3f8ba16804..4cfa2f765c9f 100644 --- a/drivers/staging/rtl8723au/hal/usb_halinit.c +++ b/drivers/staging/rtl8723au/hal/usb_halinit.c @@ -26,8 +26,7 @@ #include <usb_ops.h> static void phy_SsPwrSwitch92CU(struct rtw_adapter *Adapter, - enum rt_rf_power_state eRFPowerState, - int bRegSSPwrLvl); + enum rt_rf_power_state eRFPowerState); static void _ConfigChipOutEP(struct rtw_adapter *pAdapter, u8 NumOutPipe) @@ -513,9 +512,7 @@ int rtl8723au_hal_init(struct rtw_adapter *Adapter) Adapter->hw_init_completed = false; if (Adapter->pwrctrlpriv.bkeepfwalive) { - /* here call with bRegSSPwrLvl 1, bRegSSPwrLvl 2 - needs to be verified */ - phy_SsPwrSwitch92CU(Adapter, rf_on, 1); + phy_SsPwrSwitch92CU(Adapter, rf_on); if (pHalData->bIQKInitialized) { rtl8723a_phy_iq_calibrate(Adapter, true); @@ -776,112 +773,50 @@ exit: } static void phy_SsPwrSwitch92CU(struct rtw_adapter *Adapter, - enum rt_rf_power_state eRFPowerState, - int bRegSSPwrLvl) + enum rt_rf_power_state eRFPowerState) { struct hal_data_8723a *pHalData = GET_HAL_DATA(Adapter); - u8 value8, sps0; - u8 bytetmp; + u8 sps0; sps0 = rtl8723au_read8(Adapter, REG_SPS0_CTRL); switch (eRFPowerState) { case rf_on: - if (bRegSSPwrLvl == 1) { - /* 1. Enable MAC Clock. Can not be enabled now. */ - /* WriteXBYTE(REG_SYS_CLKR+1, - ReadXBYTE(REG_SYS_CLKR+1) | BIT(3)); */ - - /* 2. Force PWM, Enable SPS18_LDO_Marco_Block */ - rtl8723au_write8(Adapter, REG_SPS0_CTRL, - sps0 | BIT(0) | BIT(3)); - - /* 3. restore BB, AFE control register. */ - /* RF */ - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x380038, 1); - else - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x38, 1); - PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf0, 1); - PHY_SetBBReg(Adapter, rFPGA0_RFMOD, BIT(1), 0); - - /* AFE */ - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, - 0x63DB25A0); - else if (pHalData->rf_type == RF_1T1R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, - 0x631B25A0); - - /* 4. issue 3-wire command that RF set to Rx idle - mode. This is used to re-write the RX idle mode. */ - /* We can only prvide a usual value instead and then - HW will modify the value by itself. */ - PHY_SetRFReg(Adapter, RF_PATH_A, 0, - bRFRegOffsetMask, 0x32D95); - if (pHalData->rf_type == RF_2T2R) { - PHY_SetRFReg(Adapter, RF_PATH_B, 0, - bRFRegOffsetMask, 0x32D95); - } - } else { /* Level 2 or others. */ - /* h. AFE_PLL_CTRL 0x28[7:0] = 0x80 - disable AFE PLL */ - rtl8723au_write8(Adapter, REG_AFE_PLL_CTRL, 0x81); - - /* i. AFE_XTAL_CTRL 0x24[15:0] = 0x880F - gated AFE DIG_CLOCK */ - rtl8723au_write16(Adapter, REG_AFE_XTAL_CTRL, 0x800F); - mdelay(1); - - /* 2. Force PWM, Enable SPS18_LDO_Marco_Block */ - rtl8723au_write8(Adapter, REG_SPS0_CTRL, - sps0 | BIT(0) | BIT(3)); - - /* 3. restore BB, AFE control register. */ - /* RF */ - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x380038, 1); - else - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x38, 1); - PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf0, 1); - PHY_SetBBReg(Adapter, rFPGA0_RFMOD, BIT(1), 0); - - /* AFE */ - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, - bMaskDWord, 0x63DB25A0); - else if (pHalData->rf_type == RF_1T1R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, - bMaskDWord, 0x631B25A0); - - /* 4. issue 3-wire command that RF set to Rx idle - mode. This is used to re-write the RX idle mode. */ - /* We can only prvide a usual value instead and - then HW will modify the value by itself. */ - PHY_SetRFReg(Adapter, RF_PATH_A, 0, + /* 1. Enable MAC Clock. Can not be enabled now. */ + /* WriteXBYTE(REG_SYS_CLKR+1, + ReadXBYTE(REG_SYS_CLKR+1) | BIT(3)); */ + + /* 2. Force PWM, Enable SPS18_LDO_Marco_Block */ + rtl8723au_write8(Adapter, REG_SPS0_CTRL, + sps0 | BIT(0) | BIT(3)); + + /* 3. restore BB, AFE control register. */ + /* RF */ + if (pHalData->rf_type == RF_2T2R) + PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, + 0x380038, 1); + else + PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, + 0x38, 1); + PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf0, 1); + PHY_SetBBReg(Adapter, rFPGA0_RFMOD, BIT(1), 0); + + /* AFE */ + if (pHalData->rf_type == RF_2T2R) + PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, + 0x63DB25A0); + else if (pHalData->rf_type == RF_1T1R) + PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, + 0x631B25A0); + + /* 4. issue 3-wire command that RF set to Rx idle + mode. This is used to re-write the RX idle mode. */ + /* We can only prvide a usual value instead and then + HW will modify the value by itself. */ + PHY_SetRFReg(Adapter, RF_PATH_A, 0, bRFRegOffsetMask, 0x32D95); + if (pHalData->rf_type == RF_2T2R) { + PHY_SetRFReg(Adapter, RF_PATH_B, 0, bRFRegOffsetMask, 0x32D95); - if (pHalData->rf_type == RF_2T2R) { - PHY_SetRFReg(Adapter, RF_PATH_B, 0, - bRFRegOffsetMask, 0x32D95); - } - - /* 5. gated MAC Clock */ - bytetmp = rtl8723au_read8(Adapter, REG_APSD_CTRL); - rtl8723au_write8(Adapter, REG_APSD_CTRL, - bytetmp & ~BIT(6)); - - mdelay(10); - - /* Set BB reset at first */ - /* 0x16 */ - rtl8723au_write8(Adapter, REG_SYS_FUNC_EN, 0x17); - - /* Enable TX */ - rtl8723au_write8(Adapter, REG_TXPAUSE, 0x0); } break; case rf_sleep: @@ -890,146 +825,57 @@ static void phy_SsPwrSwitch92CU(struct rtw_adapter *Adapter, sps0 &= ~BIT(0); else sps0 &= ~(BIT(0) | BIT(3)); - if (bRegSSPwrLvl == 1) { - RT_TRACE(_module_hal_init_c_, _drv_err_, ("SS LVL1\n")); - /* Disable RF and BB only for SelectSuspend. */ - - /* 1. Set BB/RF to shutdown. */ - /* (1) Reg878[5:3]= 0 RF rx_code for - preamble power saving */ - /* (2)Reg878[21:19]= 0 Turn off RF-B */ - /* (3) RegC04[7:4]= 0 Turn off all paths - for packet detection */ - /* (4) Reg800[1] = 1 enable preamble power - saving */ - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF0] = - PHY_QueryBBReg(Adapter, rFPGA0_XAB_RFParameter, - bMaskDWord); - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF1] = - PHY_QueryBBReg(Adapter, rOFDM0_TRxPathEnable, - bMaskDWord); - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF2] = - PHY_QueryBBReg(Adapter, rFPGA0_RFMOD, - bMaskDWord); - if (pHalData->rf_type == RF_2T2R) { - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x380038, 0); - } else if (pHalData->rf_type == RF_1T1R) { - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x38, 0); - } - PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf0, 0); - PHY_SetBBReg(Adapter, rFPGA0_RFMOD, BIT(1), 1); - - /* 2 .AFE control register to power down. bit[30:22] */ - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_AFE0] = - PHY_QueryBBReg(Adapter, rRx_Wait_CCA, - bMaskDWord); - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, - 0x00DB25A0); - else if (pHalData->rf_type == RF_1T1R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, - 0x001B25A0); - - /* 3. issue 3-wire command that RF set to power down.*/ - PHY_SetRFReg(Adapter, RF_PATH_A, 0, bRFRegOffsetMask, 0); - if (pHalData->rf_type == RF_2T2R) - PHY_SetRFReg(Adapter, RF_PATH_B, 0, - bRFRegOffsetMask, 0); - - /* 4. Force PFM , disable SPS18_LDO_Marco_Block */ - rtl8723au_write8(Adapter, REG_SPS0_CTRL, sps0); - } else { /* Level 2 or others. */ - RT_TRACE(_module_hal_init_c_, _drv_err_, ("SS LVL2\n")); - { - u8 eRFPath = RF_PATH_A, value8 = 0; - rtl8723au_write8(Adapter, REG_TXPAUSE, 0xFF); - PHY_SetRFReg(Adapter, - (enum RF_RADIO_PATH)eRFPath, - 0x0, bMaskByte0, 0x0); - value8 |= APSDOFF; - /* 0x40 */ - rtl8723au_write8(Adapter, REG_APSD_CTRL, - value8); - - /* After switch APSD, we need to delay - for stability */ - mdelay(10); - - /* Set BB reset at first */ - value8 = 0; - value8 |= (FEN_USBD | FEN_USBA | - FEN_BB_GLB_RSTn); - /* 0x16 */ - rtl8723au_write8(Adapter, REG_SYS_FUNC_EN, - value8); - } - - /* Disable RF and BB only for SelectSuspend. */ - - /* 1. Set BB/RF to shutdown. */ - /* (1) Reg878[5:3]= 0 RF rx_code for - preamble power saving */ - /* (2)Reg878[21:19]= 0 Turn off RF-B */ - /* (3) RegC04[7:4]= 0 Turn off all paths for - packet detection */ - /* (4) Reg800[1] = 1 enable preamble power - saving */ - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF0] = - PHY_QueryBBReg(Adapter, rFPGA0_XAB_RFParameter, - bMaskDWord); - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF1] = - PHY_QueryBBReg(Adapter, rOFDM0_TRxPathEnable, - bMaskDWord); - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF2] = - PHY_QueryBBReg(Adapter, rFPGA0_RFMOD, - bMaskDWord); - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x380038, 0); - else if (pHalData->rf_type == RF_1T1R) - PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, - 0x38, 0); - PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf0, 0); - PHY_SetBBReg(Adapter, rFPGA0_RFMOD, BIT(1), 1); - - /* 2 .AFE control register to power down. bit[30:22] */ - Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_AFE0] = - PHY_QueryBBReg(Adapter, rRx_Wait_CCA, - bMaskDWord); - if (pHalData->rf_type == RF_2T2R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, - 0x00DB25A0); - else if (pHalData->rf_type == RF_1T1R) - PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, - 0x001B25A0); - - /* 3. issue 3-wire command that RF set to power down. */ - PHY_SetRFReg(Adapter, RF_PATH_A, 0, bRFRegOffsetMask, 0); - if (pHalData->rf_type == RF_2T2R) - PHY_SetRFReg(Adapter, RF_PATH_B, 0, - bRFRegOffsetMask, 0); - - /* 4. Force PFM , disable SPS18_LDO_Marco_Block */ - rtl8723au_write8(Adapter, REG_SPS0_CTRL, sps0); - - /* 2010/10/13 MH/Isaachsu exchange sequence. */ - /* h. AFE_PLL_CTRL 0x28[7:0] = 0x80 - disable AFE PLL */ - rtl8723au_write8(Adapter, REG_AFE_PLL_CTRL, 0x80); - mdelay(1); - - /* i. AFE_XTAL_CTRL 0x24[15:0] = 0x880F - gated AFE DIG_CLOCK */ - rtl8723au_write16(Adapter, REG_AFE_XTAL_CTRL, 0xA80F); + + RT_TRACE(_module_hal_init_c_, _drv_err_, ("SS LVL1\n")); + /* Disable RF and BB only for SelectSuspend. */ + + /* 1. Set BB/RF to shutdown. */ + /* (1) Reg878[5:3]= 0 RF rx_code for + preamble power saving */ + /* (2)Reg878[21:19]= 0 Turn off RF-B */ + /* (3) RegC04[7:4]= 0 Turn off all paths + for packet detection */ + /* (4) Reg800[1] = 1 enable preamble power saving */ + Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF0] = + PHY_QueryBBReg(Adapter, rFPGA0_XAB_RFParameter, + bMaskDWord); + Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF1] = + PHY_QueryBBReg(Adapter, rOFDM0_TRxPathEnable, + bMaskDWord); + Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_RF2] = + PHY_QueryBBReg(Adapter, rFPGA0_RFMOD, bMaskDWord); + if (pHalData->rf_type == RF_2T2R) { + PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, + 0x380038, 0); + } else if (pHalData->rf_type == RF_1T1R) { + PHY_SetBBReg(Adapter, rFPGA0_XAB_RFParameter, 0x38, 0); } + PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf0, 0); + PHY_SetBBReg(Adapter, rFPGA0_RFMOD, BIT(1), 1); + + /* 2 .AFE control register to power down. bit[30:22] */ + Adapter->pwrctrlpriv.PS_BBRegBackup[PSBBREG_AFE0] = + PHY_QueryBBReg(Adapter, rRx_Wait_CCA, bMaskDWord); + if (pHalData->rf_type == RF_2T2R) + PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, + 0x00DB25A0); + else if (pHalData->rf_type == RF_1T1R) + PHY_SetBBReg(Adapter, rRx_Wait_CCA, bMaskDWord, + 0x001B25A0); + + /* 3. issue 3-wire command that RF set to power down.*/ + PHY_SetRFReg(Adapter, RF_PATH_A, 0, bRFRegOffsetMask, 0); + if (pHalData->rf_type == RF_2T2R) + PHY_SetRFReg(Adapter, RF_PATH_B, 0, + bRFRegOffsetMask, 0); + + /* 4. Force PFM , disable SPS18_LDO_Marco_Block */ + rtl8723au_write8(Adapter, REG_SPS0_CTRL, sps0); break; default: break; } - -} /* phy_PowerSwitch92CU */ +} static void CardDisableRTL8723U(struct rtw_adapter *Adapter) { |