rf.c
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/******************************************************************************
*
* Copyright(c) 2009-2014 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "rf.h"
#include "dm.h"
static bool _rtl92ee_phy_rf6052_config_parafile(struct ieee80211_hw *hw);
void rtl92ee_phy_rf6052_set_bandwidth(struct ieee80211_hw *hw, u8 bandwidth)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
switch (bandwidth) {
case HT_CHANNEL_WIDTH_20:
rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
0xfffff3ff) | BIT(10) | BIT(11));
rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
rtlphy->rfreg_chnlval[0]);
rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, RFREG_OFFSET_MASK,
rtlphy->rfreg_chnlval[0]);
break;
case HT_CHANNEL_WIDTH_20_40:
rtlphy->rfreg_chnlval[0] = ((rtlphy->rfreg_chnlval[0] &
0xfffff3ff) | BIT(10));
rtl_set_rfreg(hw, RF90_PATH_A, RF_CHNLBW, RFREG_OFFSET_MASK,
rtlphy->rfreg_chnlval[0]);
rtl_set_rfreg(hw, RF90_PATH_B, RF_CHNLBW, RFREG_OFFSET_MASK,
rtlphy->rfreg_chnlval[0]);
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"unknown bandwidth: %#X\n", bandwidth);
break;
}
}
bool rtl92ee_phy_rf6052_config(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
if (rtlphy->rf_type == RF_1T1R)
rtlphy->num_total_rfpath = 1;
else
rtlphy->num_total_rfpath = 2;
return _rtl92ee_phy_rf6052_config_parafile(hw);
}
static bool _rtl92ee_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
u32 u4_regvalue = 0;
u8 rfpath;
bool rtstatus = true;
struct bb_reg_def *pphyreg;
for (rfpath = 0; rfpath < rtlphy->num_total_rfpath; rfpath++) {
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);
rtl_set_bbreg(hw, pphyreg->rfhssi_para2,
B3WIREADDREAALENGTH, 0x0);
udelay(1);
rtl_set_bbreg(hw, pphyreg->rfhssi_para2, B3WIREDATALENGTH, 0x0);
udelay(1);
switch (rfpath) {
case RF90_PATH_A:
rtstatus = rtl92ee_phy_config_rf_with_headerfile(hw,
(enum radio_path)rfpath);
break;
case RF90_PATH_B:
rtstatus = rtl92ee_phy_config_rf_with_headerfile(hw,
(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) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Radio[%d] Fail!!", rfpath);
return false;
}
}
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "\n");
return rtstatus;
}