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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 "pwrseq.h"
/* Description:
* This routine deal with the Power Configuration CMDs
* parsing for RTL8723/RTL8188E Series IC.
* Assumption:
* We should follow specific format which was released from HW SD.
*
* 2011.07.07, added by Roger.
*/
bool rtlbe_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
u8 fab_version, u8 interface_type,
struct wlan_pwr_cfg pwrcfgcmd[])
{
struct wlan_pwr_cfg pwr_cfg_cmd = {0};
bool b_polling_bit = false;
u32 ary_idx = 0;
u8 value = 0;
u32 offset = 0;
u32 polling_count = 0;
u32 max_polling_cnt = 5000;
do {
pwr_cfg_cmd = pwrcfgcmd[ary_idx];
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"rtlbe_hal_pwrseqcmdparsing(): "
"offset(%#x),cut_msk(%#x), fab_msk(%#x),"
"interface_msk(%#x), base(%#x), "
"cmd(%#x), msk(%#x), value(%#x)\n",
GET_PWR_CFG_OFFSET(pwr_cfg_cmd),
GET_PWR_CFG_CUT_MASK(pwr_cfg_cmd),
GET_PWR_CFG_FAB_MASK(pwr_cfg_cmd),
GET_PWR_CFG_INTF_MASK(pwr_cfg_cmd),
GET_PWR_CFG_BASE(pwr_cfg_cmd),
GET_PWR_CFG_CMD(pwr_cfg_cmd),
GET_PWR_CFG_MASK(pwr_cfg_cmd),
GET_PWR_CFG_VALUE(pwr_cfg_cmd));
if ((GET_PWR_CFG_FAB_MASK(pwr_cfg_cmd)&fab_version) &&
(GET_PWR_CFG_CUT_MASK(pwr_cfg_cmd)&cut_version) &&
(GET_PWR_CFG_INTF_MASK(pwr_cfg_cmd)&interface_type)) {
switch (GET_PWR_CFG_CMD(pwr_cfg_cmd)) {
case PWR_CMD_READ:
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"rtlbe_hal_pwrseqcmdparsing(): "
"PWR_CMD_READ\n");
break;
case PWR_CMD_WRITE:
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"rtlbe_hal_pwrseqcmdparsing(): "
"PWR_CMD_WRITE\n");
offset = GET_PWR_CFG_OFFSET(pwr_cfg_cmd);
/*Read the value from system register*/
value = rtl_read_byte(rtlpriv, offset);
value &= (~(GET_PWR_CFG_MASK(pwr_cfg_cmd)));
value = value | (GET_PWR_CFG_VALUE(pwr_cfg_cmd)
& GET_PWR_CFG_MASK(pwr_cfg_cmd));
/*Write the value back to sytem register*/
rtl_write_byte(rtlpriv, offset, value);
break;
case PWR_CMD_POLLING:
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"rtlbe_hal_pwrseqcmdparsing(): "
"PWR_CMD_POLLING\n");
b_polling_bit = false;
offset = GET_PWR_CFG_OFFSET(pwr_cfg_cmd);
do {
value = rtl_read_byte(rtlpriv, offset);
value &= GET_PWR_CFG_MASK(pwr_cfg_cmd);
if (value ==
(GET_PWR_CFG_VALUE(pwr_cfg_cmd) &
GET_PWR_CFG_MASK(pwr_cfg_cmd)))
b_polling_bit = true;
else
udelay(10);
if (polling_count++ > max_polling_cnt)
return false;
} while (!b_polling_bit);
break;
case PWR_CMD_DELAY:
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"rtlbe_hal_pwrseqcmdparsing(): "
"PWR_CMD_DELAY\n");
if (GET_PWR_CFG_VALUE(pwr_cfg_cmd) ==
PWRSEQ_DELAY_US)
udelay(GET_PWR_CFG_OFFSET(pwr_cfg_cmd));
else
mdelay(GET_PWR_CFG_OFFSET(pwr_cfg_cmd));
break;
case PWR_CMD_END:
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"rtlbe_hal_pwrseqcmdparsing(): "
"PWR_CMD_END\n");
return true;
break;
default:
RT_ASSERT(false,
"rtlbe_hal_pwrseqcmdparsing(): "
"Unknown CMD!!\n");
break;
}
}
ary_idx++;
} while (1);
return true;
}
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