diff options
Diffstat (limited to 'drivers/staging/rtl8723au/core/rtw_pwrctrl.c')
| -rw-r--r-- | drivers/staging/rtl8723au/core/rtw_pwrctrl.c | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/drivers/staging/rtl8723au/core/rtw_pwrctrl.c b/drivers/staging/rtl8723au/core/rtw_pwrctrl.c deleted file mode 100644 index 7488a104935b..000000000000 --- a/drivers/staging/rtl8723au/core/rtw_pwrctrl.c +++ /dev/null @@ -1,606 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. - * - * 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. - * - ******************************************************************************/ -#define _RTW_PWRCTRL_C_ - -#include <osdep_service.h> -#include <drv_types.h> -#include <osdep_intf.h> -#include <rtl8723a_cmd.h> -#include <rtw_sreset.h> - -#include <rtl8723a_bt_intf.h> -#include <usb_ops_linux.h> - -void ips_enter23a(struct rtw_adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - down(&pwrpriv->lock); - - pwrpriv->bips_processing = true; - - /* syn ips_mode with request */ - pwrpriv->ips_mode = pwrpriv->ips_mode_req; - - pwrpriv->ips_enter23a_cnts++; - DBG_8723A("==>ips_enter23a cnts:%d\n", pwrpriv->ips_enter23a_cnts); - rtl8723a_BT_disable_coexist(padapter); - - if (pwrpriv->change_rfpwrstate == rf_off) { - pwrpriv->bpower_saving = true; - DBG_8723A_LEVEL(_drv_always_, "nolinked power save enter\n"); - - if (pwrpriv->ips_mode == IPS_LEVEL_2) - pwrpriv->bkeepfwalive = true; - - rtw_ips_pwr_down23a(padapter); - pwrpriv->rf_pwrstate = rf_off; - } - pwrpriv->bips_processing = false; - - up(&pwrpriv->lock); -} - -int ips_leave23a(struct rtw_adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct security_priv *psecuritypriv = &padapter->securitypriv; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - int result = _SUCCESS; - int keyid; - - down(&pwrpriv->lock); - - if (pwrpriv->rf_pwrstate == rf_off && !pwrpriv->bips_processing) { - pwrpriv->bips_processing = true; - pwrpriv->change_rfpwrstate = rf_on; - pwrpriv->ips_leave23a_cnts++; - DBG_8723A("==>ips_leave23a cnts:%d\n", - pwrpriv->ips_leave23a_cnts); - - result = rtw_ips_pwr_up23a(padapter); - if (result == _SUCCESS) - pwrpriv->rf_pwrstate = rf_on; - - DBG_8723A_LEVEL(_drv_always_, "nolinked power save leave\n"); - - if (psecuritypriv->dot11PrivacyAlgrthm == - WLAN_CIPHER_SUITE_WEP40 || - psecuritypriv->dot11PrivacyAlgrthm == - WLAN_CIPHER_SUITE_WEP104) { - DBG_8723A("==>%s, channel(%d), processing(%x)\n", - __func__, padapter->mlmeextpriv.cur_channel, - pwrpriv->bips_processing); - set_channel_bwmode23a(padapter, - padapter->mlmeextpriv.cur_channel, - HAL_PRIME_CHNL_OFFSET_DONT_CARE, - HT_CHANNEL_WIDTH_20); - for (keyid = 0; keyid < 4; keyid++) { - if (pmlmepriv->key_mask & BIT(keyid)) { - if (keyid == - psecuritypriv->dot11PrivacyKeyIndex) - result = rtw_set_key23a(padapter, psecuritypriv, keyid, 1); - else - result = rtw_set_key23a(padapter, psecuritypriv, keyid, 0); - } - } - } - - DBG_8723A("==> ips_leave23a.....LED(0x%08x)...\n", - rtl8723au_read32(padapter, 0x4c)); - pwrpriv->bips_processing = false; - - pwrpriv->bkeepfwalive = false; - pwrpriv->bpower_saving = false; - } - - up(&pwrpriv->lock); - - return result; -} - - -static bool rtw_pwr_unassociated_idle(struct rtw_adapter *adapter) -{ - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - struct xmit_priv *pxmit_priv = &adapter->xmitpriv; - - bool ret = false; - - if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies)) - goto exit; - - if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) || - check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) || - check_fwstate(pmlmepriv, WIFI_AP_STATE) || - check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE)){ - goto exit; - } - - if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF || - pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) { - DBG_8723A_LEVEL(_drv_always_, - "There are some pkts to transmit\n"); - DBG_8723A_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, " - "free_xmit_extbuf_cnt: %d\n", - pxmit_priv->free_xmitbuf_cnt, - pxmit_priv->free_xmit_extbuf_cnt); - goto exit; - } - - ret = true; - -exit: - return ret; -} - -void rtw_ps_processor23a(struct rtw_adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - pwrpriv->ps_processing = true; - - if (pwrpriv->bips_processing == true) - goto exit; - - if (pwrpriv->ips_mode_req == IPS_NONE) - goto exit; - - if (!rtw_pwr_unassociated_idle(padapter)) - goto exit; - - if (pwrpriv->rf_pwrstate == rf_on && - (pwrpriv->pwr_state_check_cnts % 4) == 0) { - DBG_8723A("==>%s .fw_state(%x)\n", __func__, - get_fwstate(pmlmepriv)); - pwrpriv->change_rfpwrstate = rf_off; - ips_enter23a(padapter); - } -exit: - rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); - pwrpriv->ps_processing = false; -} - -static void pwr_state_check_handler(unsigned long data) -{ - struct rtw_adapter *padapter = (struct rtw_adapter *)data; - - rtw_ps_cmd23a(padapter); -} - -/* - * - * Parameters - * padapter - * pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4 - * - */ -void rtw_set_rpwm23a(struct rtw_adapter *padapter, u8 pslv) -{ - u8 rpwm; - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - pslv = PS_STATE(pslv); - - if (pwrpriv->btcoex_rfon) { - if (pslv < PS_STATE_S4) - pslv = PS_STATE_S3; - } - - if (pwrpriv->rpwm == pslv) { - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, - "%s: Already set rpwm[0x%02X], new = 0x%02X!\n", - __func__, pwrpriv->rpwm, pslv); - return; - } - - if (padapter->bSurpriseRemoved == true || - padapter->hw_init_completed == false) { - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, - "%s: SurpriseRemoved(%d) hw_init_completed(%d)\n", - __func__, padapter->bSurpriseRemoved, - padapter->hw_init_completed); - - pwrpriv->cpwm = PS_STATE_S4; - - return; - } - - if (padapter->bDriverStopped == true) { - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, - "%s: change power state(0x%02X) when DriverStopped\n", - __func__, pslv); - - if (pslv < PS_STATE_S2) { - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, - "%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", - __func__, pslv); - return; - } - } - - rpwm = pslv | pwrpriv->tog; - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, - "rtw_set_rpwm23a: rpwm = 0x%02x cpwm = 0x%02x\n", - rpwm, pwrpriv->cpwm); - - pwrpriv->rpwm = pslv; - - rtl8723a_set_rpwm(padapter, rpwm); - - pwrpriv->tog += 0x80; - pwrpriv->cpwm = pslv; -} - -static bool PS_RDY_CHECK(struct rtw_adapter *padapter) -{ - unsigned long delta_time; - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - delta_time = jiffies - pwrpriv->DelayLPSLastTimeStamp; - - if (delta_time < LPS_DELAY_TIME) - return false; - - if (!check_fwstate(pmlmepriv, _FW_LINKED) || - check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) || - check_fwstate(pmlmepriv, WIFI_AP_STATE) || - check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || - check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) - return false; - if (pwrpriv->bInSuspend) - return false; - if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && - !padapter->securitypriv.binstallGrpkey) { - DBG_8723A("Group handshake still in progress !!!\n"); - return false; - } - if (!rtw_cfg80211_pwr_mgmt(padapter)) - return false; - - return true; -} - -void rtw_set_ps_mode23a(struct rtw_adapter *padapter, u8 ps_mode, - u8 smart_ps, u8 bcn_ant_mode) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, - "%s: PowerMode =%d Smart_PS =%d\n", - __func__, ps_mode, smart_ps); - - if (ps_mode > PM_Card_Disable) { - RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, - "ps_mode:%d error\n", ps_mode); - return; - } - - if (pwrpriv->pwr_mode == ps_mode) { - if (PS_MODE_ACTIVE == ps_mode) - return; - - if (pwrpriv->smart_ps == smart_ps && - pwrpriv->bcn_ant_mode == bcn_ant_mode) - return; - } - - if (ps_mode == PS_MODE_ACTIVE) { - DBG_8723A("rtw_set_ps_mode23a: Leave 802.11 power save\n"); - - pwrpriv->pwr_mode = ps_mode; - rtw_set_rpwm23a(padapter, PS_STATE_S4); - rtl8723a_set_FwPwrMode_cmd(padapter, ps_mode); - pwrpriv->bFwCurrentInPSMode = false; - } else { - if (PS_RDY_CHECK(padapter) || - rtl8723a_BT_using_antenna_1(padapter)) { - DBG_8723A("%s: Enter 802.11 power save\n", __func__); - - pwrpriv->bFwCurrentInPSMode = true; - pwrpriv->pwr_mode = ps_mode; - pwrpriv->smart_ps = smart_ps; - pwrpriv->bcn_ant_mode = bcn_ant_mode; - rtl8723a_set_FwPwrMode_cmd(padapter, ps_mode); - - rtw_set_rpwm23a(padapter, PS_STATE_S2); - } - } -} - -/* - * Return: - * 0: Leave OK - * -1: Timeout - * -2: Other error - */ -s32 LPS_RF_ON_check23a(struct rtw_adapter *padapter, u32 delay_ms) -{ - unsigned long start_time, end_time; - u8 bAwake = false; - s32 err = 0; - - start_time = jiffies; - end_time = start_time + msecs_to_jiffies(delay_ms); - - while (1) { - bAwake = rtl8723a_get_fwlps_rf_on(padapter); - if (bAwake == true) - break; - - if (padapter->bSurpriseRemoved == true) { - err = -2; - DBG_8723A("%s: device surprise removed!!\n", __func__); - break; - } - - if (time_after(jiffies, end_time)) { - err = -1; - DBG_8723A("%s: Wait for FW LPS leave more than %u " - "ms!\n", __func__, delay_ms); - break; - } - udelay(100); - } - - return err; -} - -/* Description: */ -/* Enter the leisure power save mode. */ -void LPS_Enter23a(struct rtw_adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - if (!PS_RDY_CHECK(padapter)) - return; - - if (pwrpriv->bLeisurePs) { - /* Idle for a while if we connect to AP a while ago. */ - if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */ - if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) { - pwrpriv->bpower_saving = true; - DBG_8723A("%s smart_ps:%d\n", __func__, - pwrpriv->smart_ps); - /* For Tenda W311R IOT issue */ - rtw_set_ps_mode23a(padapter, - pwrpriv->power_mgnt, - pwrpriv->smart_ps, 0); - } - } else - pwrpriv->LpsIdleCount++; - } -} - -/* Description: */ -/* Leave the leisure power save mode. */ -void LPS_Leave23a(struct rtw_adapter *padapter) -{ -#define LPS_LEAVE_TIMEOUT_MS 100 - - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - if (pwrpriv->bLeisurePs) { - if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) { - rtw_set_ps_mode23a(padapter, PS_MODE_ACTIVE, 0, 0); - - if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) - LPS_RF_ON_check23a(padapter, - LPS_LEAVE_TIMEOUT_MS); - } - } - - pwrpriv->bpower_saving = false; -} - -/* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */ -/* Move code to function by tynli. 2010.03.26. */ -void LeaveAllPowerSaveMode23a(struct rtw_adapter *Adapter) -{ - struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; - u8 enqueue = 0; - - /* DBG_8723A("%s.....\n", __func__); */ - if (check_fwstate(pmlmepriv, _FW_LINKED)) - rtw_lps_ctrl_wk_cmd23a(Adapter, LPS_CTRL_LEAVE, enqueue); -} - -void rtw_init_pwrctrl_priv23a(struct rtw_adapter *padapter) -{ - struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - - sema_init(&pwrctrlpriv->lock, 1); - pwrctrlpriv->rf_pwrstate = rf_on; - pwrctrlpriv->ips_enter23a_cnts = 0; - pwrctrlpriv->ips_leave23a_cnts = 0; - pwrctrlpriv->bips_processing = false; - - pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode; - pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode; - - pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL; - pwrctrlpriv->pwr_state_check_cnts = 0; - pwrctrlpriv->bInSuspend = false; - pwrctrlpriv->bkeepfwalive = false; - - pwrctrlpriv->LpsIdleCount = 0; - - /* PS_MODE_MIN; */ - pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt; - pwrctrlpriv->bLeisurePs = - (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false; - - pwrctrlpriv->bFwCurrentInPSMode = false; - - pwrctrlpriv->rpwm = 0; - pwrctrlpriv->cpwm = PS_STATE_S4; - - pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE; - pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps; - pwrctrlpriv->bcn_ant_mode = 0; - - pwrctrlpriv->tog = 0x80; - - pwrctrlpriv->btcoex_rfon = false; - - setup_timer(&pwrctrlpriv->pwr_state_check_timer, - pwr_state_check_handler, (unsigned long)padapter); -} - -void rtw_free_pwrctrl_priv(struct rtw_adapter *adapter) -{ -} - -inline void rtw_set_ips_deny23a(struct rtw_adapter *padapter, u32 ms) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms); -} - -/* -* rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend -* @adapter: pointer to _adapter structure -* @ips_deffer_ms: the ms will prevent from falling into IPS after wakeup -* Return _SUCCESS or _FAIL -*/ - -int _rtw_pwr_wakeup23a(struct rtw_adapter *padapter, u32 ips_deffer_ms, const char *caller) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - int ret = _SUCCESS; - unsigned long start = jiffies; - unsigned long new_deny_time; - - new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); - - if (time_before(pwrpriv->ips_deny_time, new_deny_time)) - pwrpriv->ips_deny_time = new_deny_time; - - if (pwrpriv->ps_processing) { - DBG_8723A("%s wait ps_processing...\n", __func__); - while (pwrpriv->ps_processing && - jiffies_to_msecs(jiffies - start) <= 3000) - msleep(10); - if (pwrpriv->ps_processing) - DBG_8723A("%s wait ps_processing timeout\n", __func__); - else - DBG_8723A("%s wait ps_processing done\n", __func__); - } - - if (rtw_sreset_inprogress(padapter)) { - DBG_8723A("%s wait sreset_inprogress...\n", __func__); - while (rtw_sreset_inprogress(padapter) && - jiffies_to_msecs(jiffies - start) <= 4000) - msleep(10); - if (rtw_sreset_inprogress(padapter)) - DBG_8723A("%s wait sreset_inprogress timeout\n", - __func__); - else - DBG_8723A("%s wait sreset_inprogress done\n", __func__); - } - - if (pwrpriv->bInSuspend) { - DBG_8723A("%s wait bInSuspend...\n", __func__); - while (pwrpriv->bInSuspend && - (jiffies_to_msecs(jiffies - start) <= 3000)) { - msleep(10); - } - if (pwrpriv->bInSuspend) - DBG_8723A("%s wait bInSuspend timeout\n", __func__); - else - DBG_8723A("%s wait bInSuspend done\n", __func__); - } - - /* System suspend is not allowed to wakeup */ - if (pwrpriv->bInSuspend) { - ret = _FAIL; - goto exit; - } - - /* I think this should be check in IPS, LPS, autosuspend functions... */ - if (check_fwstate(pmlmepriv, _FW_LINKED)) { - ret = _SUCCESS; - goto exit; - } - - if (rf_off == pwrpriv->rf_pwrstate) { - DBG_8723A("%s call ips_leave23a....\n", __func__); - if (ips_leave23a(padapter)== _FAIL) { - DBG_8723A("======> ips_leave23a fail.............\n"); - ret = _FAIL; - goto exit; - } - } - - /* TODO: the following checking need to be merged... */ - if (padapter->bDriverStopped || !padapter->bup || - !padapter->hw_init_completed) { - DBG_8723A("%s: bDriverStopped =%d, bup =%d, hw_init_completed " - "=%u\n", caller, padapter->bDriverStopped, - padapter->bup, padapter->hw_init_completed); - ret = _FAIL; - goto exit; - } - -exit: - new_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); - if (time_before(pwrpriv->ips_deny_time, new_deny_time)) - pwrpriv->ips_deny_time = new_deny_time; - return ret; -} - -int rtw_pm_set_lps23a(struct rtw_adapter *padapter, u8 mode) -{ - int ret = 0; - struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - - if (mode < PS_MODE_NUM) { - if (pwrctrlpriv->power_mgnt != mode) { - if (PS_MODE_ACTIVE == mode) - LeaveAllPowerSaveMode23a(padapter); - else - pwrctrlpriv->LpsIdleCount = 2; - pwrctrlpriv->power_mgnt = mode; - pwrctrlpriv->bLeisurePs = - (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? - true:false; - } - } else - ret = -EINVAL; - - return ret; -} - -int rtw_pm_set_ips23a(struct rtw_adapter *padapter, u8 mode) -{ - struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - - if (mode != IPS_NORMAL && mode != IPS_LEVEL_2 && mode != IPS_NONE) - return -EINVAL; - - pwrctrlpriv->ips_mode_req = mode; - if (mode == IPS_NONE) { - DBG_8723A("%s %s\n", __func__, "IPS_NONE"); - if (padapter->bSurpriseRemoved == 0 && - rtw_pwr_wakeup(padapter) == _FAIL) - return -EFAULT; - } - - return 0; -} |