mirror of https://gitee.com/openkylin/linux.git
141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2009-2014 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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*****************************************************************************/
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#include "pwrseq.h"
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/* Description:
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* This routine deal with the Power Configuration CMDs
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* parsing for RTL8723/RTL8188E Series IC.
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* Assumption:
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* We should follow specific format which was released from HW SD.
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*
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* 2011.07.07, added by Roger.
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*/
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bool rtlbe_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
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u8 fab_version, u8 interface_type,
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struct wlan_pwr_cfg pwrcfgcmd[])
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{
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struct wlan_pwr_cfg pwr_cfg_cmd = {0};
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bool b_polling_bit = false;
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u32 ary_idx = 0;
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u8 value = 0;
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u32 offset = 0;
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u32 polling_count = 0;
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u32 max_polling_cnt = 5000;
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do {
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pwr_cfg_cmd = pwrcfgcmd[ary_idx];
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RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"offset(%#x),cut_msk(%#x), fab_msk(%#x),"
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"interface_msk(%#x), base(%#x), "
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"cmd(%#x), msk(%#x), value(%#x)\n",
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GET_PWR_CFG_OFFSET(pwr_cfg_cmd),
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GET_PWR_CFG_CUT_MASK(pwr_cfg_cmd),
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GET_PWR_CFG_FAB_MASK(pwr_cfg_cmd),
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GET_PWR_CFG_INTF_MASK(pwr_cfg_cmd),
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GET_PWR_CFG_BASE(pwr_cfg_cmd),
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GET_PWR_CFG_CMD(pwr_cfg_cmd),
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GET_PWR_CFG_MASK(pwr_cfg_cmd),
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GET_PWR_CFG_VALUE(pwr_cfg_cmd));
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if ((GET_PWR_CFG_FAB_MASK(pwr_cfg_cmd)&fab_version) &&
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(GET_PWR_CFG_CUT_MASK(pwr_cfg_cmd)&cut_version) &&
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(GET_PWR_CFG_INTF_MASK(pwr_cfg_cmd)&interface_type)) {
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switch (GET_PWR_CFG_CMD(pwr_cfg_cmd)) {
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case PWR_CMD_READ:
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RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"PWR_CMD_READ\n");
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break;
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case PWR_CMD_WRITE:
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RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"PWR_CMD_WRITE\n");
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offset = GET_PWR_CFG_OFFSET(pwr_cfg_cmd);
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/*Read the value from system register*/
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value = rtl_read_byte(rtlpriv, offset);
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value &= (~(GET_PWR_CFG_MASK(pwr_cfg_cmd)));
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value = value | (GET_PWR_CFG_VALUE(pwr_cfg_cmd)
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& GET_PWR_CFG_MASK(pwr_cfg_cmd));
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/*Write the value back to sytem register*/
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rtl_write_byte(rtlpriv, offset, value);
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break;
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case PWR_CMD_POLLING:
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RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"PWR_CMD_POLLING\n");
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b_polling_bit = false;
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offset = GET_PWR_CFG_OFFSET(pwr_cfg_cmd);
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do {
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value = rtl_read_byte(rtlpriv, offset);
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value &= GET_PWR_CFG_MASK(pwr_cfg_cmd);
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if (value ==
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(GET_PWR_CFG_VALUE(pwr_cfg_cmd) &
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GET_PWR_CFG_MASK(pwr_cfg_cmd)))
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b_polling_bit = true;
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else
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udelay(10);
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if (polling_count++ > max_polling_cnt)
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return false;
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} while (!b_polling_bit);
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break;
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case PWR_CMD_DELAY:
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RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"PWR_CMD_DELAY\n");
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if (GET_PWR_CFG_VALUE(pwr_cfg_cmd) ==
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PWRSEQ_DELAY_US)
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udelay(GET_PWR_CFG_OFFSET(pwr_cfg_cmd));
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else
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mdelay(GET_PWR_CFG_OFFSET(pwr_cfg_cmd));
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break;
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case PWR_CMD_END:
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RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"PWR_CMD_END\n");
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return true;
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break;
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default:
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RT_ASSERT(false,
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"rtlbe_hal_pwrseqcmdparsing(): "
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"Unknown CMD!!\n");
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break;
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}
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}
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ary_idx++;
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} while (1);
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return true;
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}
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