diff options
Diffstat (limited to 'drivers/staging/r8188eu/core/rtw_pwrctrl.c')
| -rw-r--r-- | drivers/staging/r8188eu/core/rtw_pwrctrl.c | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_pwrctrl.c b/drivers/staging/r8188eu/core/rtw_pwrctrl.c deleted file mode 100644 index 051cdcb11ff5..000000000000 --- a/drivers/staging/r8188eu/core/rtw_pwrctrl.c +++ /dev/null @@ -1,445 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Copyright(c) 2007 - 2012 Realtek Corporation. */ - -#define _RTW_PWRCTRL_C_ - -#include "../include/osdep_service.h" -#include "../include/drv_types.h" -#include "../include/osdep_intf.h" -#include "../include/linux/usb.h" - -static void ips_enter(struct adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct xmit_priv *pxmit_priv = &padapter->xmitpriv; - - if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF || - pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) - return; - - mutex_lock(&pwrpriv->lock); - - pwrpriv->bips_processing = true; - - /* syn ips_mode with request */ - pwrpriv->ips_mode = pwrpriv->ips_mode_req; - - pwrpriv->ips_enter_cnts++; - pwrpriv->bpower_saving = true; - - if (pwrpriv->ips_mode == IPS_LEVEL_2) - pwrpriv->bkeepfwalive = true; - - rtw_ips_pwr_down(padapter); - pwrpriv->rf_pwrstate = rf_off; - - pwrpriv->bips_processing = false; - - mutex_unlock(&pwrpriv->lock); -} - -static int ips_leave(struct 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; - - mutex_lock(&pwrpriv->lock); - - if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) { - pwrpriv->bips_processing = true; - pwrpriv->ips_leave_cnts++; - - result = rtw_ips_pwr_up(padapter); - if (result == _SUCCESS) { - pwrpriv->rf_pwrstate = rf_on; - } - - if ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_)) { - set_channel_bwmode(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_key(padapter, psecuritypriv, keyid, 1); - else - result = rtw_set_key(padapter, psecuritypriv, keyid, 0); - } - } - } - - pwrpriv->bips_processing = false; - - pwrpriv->bkeepfwalive = false; - pwrpriv->bpower_saving = false; - } - - mutex_unlock(&pwrpriv->lock); - - return result; -} - -static bool rtw_pwr_unassociated_idle(struct adapter *adapter) -{ - struct adapter *buddy = adapter->pbuddy_adapter; - struct mlme_priv *pmlmepriv = &adapter->mlmepriv; - struct wifidirect_info *pwdinfo = &adapter->wdinfo; - 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_UNDER_WPS) || - check_fwstate(pmlmepriv, WIFI_AP_STATE) || - check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE) || - !rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) - goto exit; - - /* consider buddy, if exist */ - if (buddy) { - struct mlme_priv *b_pmlmepriv = &buddy->mlmepriv; - struct wifidirect_info *b_pwdinfo = &buddy->wdinfo; - - if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE | WIFI_SITE_MONITOR) || - check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING | WIFI_UNDER_WPS) || - check_fwstate(b_pmlmepriv, WIFI_AP_STATE) || - check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE) || - !rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE)) - goto exit; - } - ret = true; - -exit: - return ret; -} - -void rtw_ps_processor(struct adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - pwrpriv->ps_processing = true; - - if (pwrpriv->bips_processing) - 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) - ips_enter(padapter); - -exit: - rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); - pwrpriv->ps_processing = false; -} - -static void pwr_state_check_handler(struct timer_list *t) -{ - struct adapter *padapter = - from_timer(padapter, t, - pwrctrlpriv.pwr_state_check_timer); - rtw_ps_cmd(padapter); -} - -static bool PS_RDY_CHECK(struct adapter *padapter) -{ - u32 curr_time, delta_time; - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - - curr_time = jiffies; - delta_time = curr_time - 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) - return false; - return true; -} - -void rtw_set_firmware_ps_mode(struct adapter *adapter, u8 mode) -{ - struct hal_data_8188e *haldata = &adapter->haldata; - struct odm_dm_struct *odmpriv = &haldata->odmpriv; - - /* Force leave RF low power mode for 1T1R to prevent - * conflicting setting in firmware power saving sequence. - */ - if (mode != PS_MODE_ACTIVE) - ODM_RF_Saving(odmpriv, true); - rtl8188e_set_FwPwrMode_cmd(adapter, mode); -} - -void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct wifidirect_info *pwdinfo = &padapter->wdinfo; - - if (ps_mode > PM_Card_Disable) - return; - - if (pwrpriv->pwr_mode == ps_mode) { - if (ps_mode == PS_MODE_ACTIVE) - return; - - if ((pwrpriv->smart_ps == smart_ps) && - (pwrpriv->bcn_ant_mode == bcn_ant_mode)) - return; - } - - if (ps_mode == PS_MODE_ACTIVE) { - if (pwdinfo->opp_ps == 0) { - pwrpriv->pwr_mode = ps_mode; - rtw_set_firmware_ps_mode(padapter, ps_mode); - pwrpriv->bFwCurrentInPSMode = false; - } - } else { - if (PS_RDY_CHECK(padapter)) { - pwrpriv->bFwCurrentInPSMode = true; - pwrpriv->pwr_mode = ps_mode; - pwrpriv->smart_ps = smart_ps; - pwrpriv->bcn_ant_mode = bcn_ant_mode; - rtw_set_firmware_ps_mode(padapter, ps_mode); - - /* Set CTWindow after LPS */ - if (pwdinfo->opp_ps == 1) - p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0); - } - } -} - -static bool lps_rf_on(struct adapter *adapter) -{ - int res; - u32 reg; - - /* When we halt NIC, we should check if FW LPS is leave. */ - if (adapter->pwrctrlpriv.rf_pwrstate == rf_off) { - /* If it is in HW/SW Radio OFF or IPS state, we do not check Fw LPS Leave, */ - /* because Fw is unload. */ - return true; - } - - res = rtw_read32(adapter, REG_RCR, ®); - if (res) - return false; - - if (reg & 0x00070000) - return false; - - return true; -} - -/* - * Return: - * 0: Leave OK - * -1: Timeout - * -2: Other error - */ -static s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms) -{ - unsigned long timeout = jiffies + msecs_to_jiffies(delay_ms); - s32 err = 0; - - while (1) { - if (lps_rf_on(padapter)) - break; - - if (padapter->bSurpriseRemoved) { - err = -2; - break; - } - - if (time_after(jiffies, timeout)) { - err = -1; - break; - } - mdelay(1); - } - - return err; -} - -/* */ -/* Description: */ -/* Enter the leisure power save mode. */ -/* */ -void LPS_Enter(struct 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; - /* For Tenda W311R IOT issue */ - rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, - pwrpriv->smart_ps, 0x40); - } - } else { - pwrpriv->LpsIdleCount++; - } - } - -} - -#define LPS_LEAVE_TIMEOUT_MS 100 - -/* Description: */ -/* Leave the leisure power save mode. */ -void LPS_Leave(struct adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - - if (pwrpriv->bLeisurePs) { - if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) { - rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0x40); - - if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) - LPS_RF_ON_check(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 LeaveAllPowerSaveMode(struct adapter *Adapter) -{ - struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; - u8 enqueue = 0; - - if (check_fwstate(pmlmepriv, _FW_LINKED)) { /* connect */ - p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, enqueue); - - rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue); - } - -} - -void rtw_init_pwrctrl_priv(struct adapter *padapter) -{ - struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - - mutex_init(&pwrctrlpriv->lock); - pwrctrlpriv->rf_pwrstate = rf_on; - pwrctrlpriv->ips_enter_cnts = 0; - pwrctrlpriv->ips_leave_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->bInSuspend = false; - pwrctrlpriv->bkeepfwalive = false; - - pwrctrlpriv->LpsIdleCount = 0; - pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */ - pwrctrlpriv->bLeisurePs = pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE; - - pwrctrlpriv->bFwCurrentInPSMode = false; - - pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE; - pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps; - pwrctrlpriv->bcn_ant_mode = 0; - - timer_setup(&pwrctrlpriv->pwr_state_check_timer, pwr_state_check_handler, 0); -} - -/* Wake the NIC up from: 1)IPS 2)USB autosuspend */ -int rtw_pwr_wakeup(struct adapter *padapter) -{ - struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - unsigned long timeout = jiffies + msecs_to_jiffies(3000); - unsigned long deny_time; - int ret; - - while (pwrpriv->ps_processing && time_before(jiffies, timeout)) - msleep(10); - - /* I think this should be check in IPS, LPS, autosuspend functions... */ - /* Below goto is a success path taken for already linked devices */ - ret = 0; - if (check_fwstate(pmlmepriv, _FW_LINKED)) - goto exit; - - if (pwrpriv->rf_pwrstate == rf_off && ips_leave(padapter) == _FAIL) { - ret = -ENOMEM; - goto exit; - } - - if (padapter->bDriverStopped || !padapter->bup || !padapter->hw_init_completed) { - ret = -EBUSY; - goto exit; - } - -exit: - deny_time = jiffies + msecs_to_jiffies(RTW_PWR_STATE_CHK_INTERVAL); - if (time_before(pwrpriv->ips_deny_time, deny_time)) - pwrpriv->ips_deny_time = deny_time; - return ret; -} - -int rtw_pm_set_lps(struct adapter *padapter, u8 mode) -{ - int ret = 0; - struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - - if (mode < PS_MODE_NUM) { - if (pwrctrlpriv->power_mgnt != mode) { - if (mode == PS_MODE_ACTIVE) - LeaveAllPowerSaveMode(padapter); - else - pwrctrlpriv->LpsIdleCount = 2; - pwrctrlpriv->power_mgnt = mode; - pwrctrlpriv->bLeisurePs = pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE; - } - } else { - ret = -EINVAL; - } - - return ret; -} - -int rtw_pm_set_ips(struct adapter *padapter, u8 mode) -{ - struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; - - if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) { - rtw_ips_mode_req(pwrctrlpriv, mode); - return 0; - } else if (mode == IPS_NONE) { - rtw_ips_mode_req(pwrctrlpriv, mode); - if ((padapter->bSurpriseRemoved == 0) && rtw_pwr_wakeup(padapter)) - return -EFAULT; - } else { - return -EINVAL; - } - return 0; -} |