diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723be/pwrseqcmd.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8723be/pwrseqcmd.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/pwrseqcmd.c b/drivers/net/wireless/rtlwifi/rtl8723be/pwrseqcmd.c new file mode 100644 index 000000000000..e4a507a756fb --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8723be/pwrseqcmd.c @@ -0,0 +1,140 @@ +/****************************************************************************** + * + * 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; +} |