| /****************************************************************************** |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * |
| ******************************************************************************/ |
| #define _RTW_PWRCTRL_C_ |
| |
| #include <osdep_service.h> |
| #include <drv_types.h> |
| #include <osdep_intf.h> |
| #include <usb_ops_linux.h> |
| #include <linux/usb.h> |
| |
| static int rtw_hw_suspend(struct adapter *padapter) |
| { |
| struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; |
| struct net_device *pnetdev = padapter->pnetdev; |
| |
| |
| if ((!padapter->bup) || (padapter->bDriverStopped) || |
| (padapter->bSurpriseRemoved)) { |
| DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n", |
| padapter->bup, padapter->bDriverStopped, |
| padapter->bSurpriseRemoved); |
| goto error_exit; |
| } |
| |
| /* system suspend */ |
| LeaveAllPowerSaveMode(padapter); |
| |
| DBG_88E("==> rtw_hw_suspend\n"); |
| _enter_pwrlock(&pwrpriv->lock); |
| pwrpriv->bips_processing = true; |
| /* s1. */ |
| if (pnetdev) { |
| netif_carrier_off(pnetdev); |
| netif_tx_stop_all_queues(pnetdev); |
| } |
| |
| /* s2. */ |
| rtw_disassoc_cmd(padapter, 500, false); |
| |
| /* s2-2. indicate disconnect to os */ |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| |
| rtw_led_control(padapter, LED_CTL_NO_LINK); |
| |
| rtw_os_indicate_disconnect(padapter); |
| |
| /* donnot enqueue cmd */ |
| rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0); |
| } |
| } |
| /* s2-3. */ |
| rtw_free_assoc_resources(padapter); |
| |
| /* s2-4. */ |
| rtw_free_network_queue(padapter, true); |
| rtw_ips_dev_unload(padapter); |
| pwrpriv->rf_pwrstate = rf_off; |
| pwrpriv->bips_processing = false; |
| |
| _exit_pwrlock(&pwrpriv->lock); |
| |
| return 0; |
| |
| error_exit: |
| DBG_88E("%s, failed\n", __func__); |
| return -1; |
| } |
| |
| static int rtw_hw_resume(struct adapter *padapter) |
| { |
| struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; |
| struct net_device *pnetdev = padapter->pnetdev; |
| |
| |
| /* system resume */ |
| DBG_88E("==> rtw_hw_resume\n"); |
| _enter_pwrlock(&pwrpriv->lock); |
| pwrpriv->bips_processing = true; |
| rtw_reset_drv_sw(padapter); |
| |
| if (pm_netdev_open(pnetdev, false) != 0) { |
| _exit_pwrlock(&pwrpriv->lock); |
| goto error_exit; |
| } |
| |
| netif_device_attach(pnetdev); |
| netif_carrier_on(pnetdev); |
| |
| if (!netif_queue_stopped(pnetdev)) |
| netif_start_queue(pnetdev); |
| else |
| netif_wake_queue(pnetdev); |
| |
| pwrpriv->bkeepfwalive = false; |
| pwrpriv->brfoffbyhw = false; |
| |
| pwrpriv->rf_pwrstate = rf_on; |
| pwrpriv->bips_processing = false; |
| |
| _exit_pwrlock(&pwrpriv->lock); |
| |
| |
| return 0; |
| error_exit: |
| DBG_88E("%s, Open net dev failed\n", __func__); |
| return -1; |
| } |
| |
| void ips_enter(struct adapter *padapter) |
| { |
| struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; |
| struct xmit_priv *pxmit_priv = &padapter->xmitpriv; |
| |
| if (padapter->registrypriv.mp_mode == 1) |
| return; |
| |
| if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF || |
| pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) { |
| DBG_88E_LEVEL(_drv_info_, "There are some pkts to transmit\n"); |
| DBG_88E_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n", |
| pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt); |
| return; |
| } |
| |
| _enter_pwrlock(&pwrpriv->lock); |
| |
| pwrpriv->bips_processing = true; |
| |
| /* syn ips_mode with request */ |
| pwrpriv->ips_mode = pwrpriv->ips_mode_req; |
| |
| pwrpriv->ips_enter_cnts++; |
| DBG_88E("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts); |
| if (rf_off == pwrpriv->change_rfpwrstate) { |
| pwrpriv->bpower_saving = true; |
| DBG_88E_LEVEL(_drv_info_, "nolinked power save enter\n"); |
| |
| if (pwrpriv->ips_mode == IPS_LEVEL_2) |
| pwrpriv->bkeepfwalive = true; |
| |
| rtw_ips_pwr_down(padapter); |
| pwrpriv->rf_pwrstate = rf_off; |
| } |
| pwrpriv->bips_processing = false; |
| |
| _exit_pwrlock(&pwrpriv->lock); |
| } |
| |
| 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; |
| |
| |
| _enter_pwrlock(&pwrpriv->lock); |
| |
| if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) { |
| pwrpriv->bips_processing = true; |
| pwrpriv->change_rfpwrstate = rf_on; |
| pwrpriv->ips_leave_cnts++; |
| DBG_88E("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts); |
| |
| result = rtw_ips_pwr_up(padapter); |
| if (result == _SUCCESS) { |
| pwrpriv->rf_pwrstate = rf_on; |
| } |
| DBG_88E_LEVEL(_drv_info_, "nolinked power save leave\n"); |
| |
| if ((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) || (_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm)) { |
| DBG_88E("==>%s, channel(%d), processing(%x)\n", __func__, padapter->mlmeextpriv.cur_channel, pwrpriv->bips_processing); |
| 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); |
| } |
| } |
| } |
| |
| DBG_88E("==> ips_leave.....LED(0x%08x)...\n", usb_read32(padapter, 0x4c)); |
| pwrpriv->bips_processing = false; |
| |
| pwrpriv->bkeepfwalive = false; |
| pwrpriv->bpower_saving = false; |
| } |
| |
| _exit_pwrlock(&pwrpriv->lock); |
| |
| return result; |
| } |
| |
| static bool rtw_pwr_unassociated_idle(struct adapter *adapter) |
| { |
| struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); |
| 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; |
| |
| ret = true; |
| |
| exit: |
| return ret; |
| } |
| |
| void rtw_ps_processor(struct adapter *padapter) |
| { |
| struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; |
| struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); |
| enum rt_rf_power_state rfpwrstate; |
| |
| pwrpriv->ps_processing = true; |
| |
| if (pwrpriv->bips_processing) |
| goto exit; |
| |
| if (padapter->pwrctrlpriv.bHWPwrPindetect) { |
| rfpwrstate = RfOnOffDetect(padapter); |
| DBG_88E("@@@@- #2 %s==> rfstate:%s\n", __func__, (rfpwrstate == rf_on) ? "rf_on" : "rf_off"); |
| |
| if (rfpwrstate != pwrpriv->rf_pwrstate) { |
| if (rfpwrstate == rf_off) { |
| pwrpriv->change_rfpwrstate = rf_off; |
| pwrpriv->brfoffbyhw = true; |
| rtw_hw_suspend(padapter); |
| } else { |
| pwrpriv->change_rfpwrstate = rf_on; |
| rtw_hw_resume(padapter); |
| } |
| DBG_88E("current rf_pwrstate(%s)\n", (pwrpriv->rf_pwrstate == rf_off) ? "rf_off" : "rf_on"); |
| } |
| pwrpriv->pwr_state_check_cnts++; |
| } |
| |
| 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_88E("==>%s .fw_state(%x)\n", __func__, get_fwstate(pmlmepriv)); |
| pwrpriv->change_rfpwrstate = rf_off; |
| |
| ips_enter(padapter); |
| } |
| exit: |
| rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv); |
| pwrpriv->ps_processing = false; |
| } |
| |
| static void pwr_state_check_handler(unsigned long data) |
| { |
| struct adapter *padapter = (struct adapter *)data; |
| rtw_ps_cmd(padapter); |
| } |
| |
| /* |
| * |
| * Parameters |
| * padapter |
| * pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4 |
| * |
| */ |
| void rtw_set_rpwm(struct 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) || |
| (!padapter->hw_init_completed)) { |
| 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) { |
| 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_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm)); |
| |
| pwrpriv->rpwm = pslv; |
| |
| rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm)); |
| |
| pwrpriv->tog += 0x80; |
| pwrpriv->cpwm = pslv; |
| } |
| |
| static u8 PS_RDY_CHECK(struct adapter *padapter) |
| { |
| unsigned long 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) == false) || |
| (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 == false)) { |
| DBG_88E("Group handshake still in progress !!!\n"); |
| return false; |
| } |
| return true; |
| } |
| |
| void rtw_set_ps_mode(struct 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 (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */ |
| if (ps_mode == PS_MODE_ACTIVE) { |
| if (PS_RDY_CHECK(padapter)) { |
| DBG_88E("%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; |
| rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode)); |
| rtw_set_rpwm(padapter, PS_STATE_S2); |
| } |
| } |
| } |
| |
| /* |
| * Return: |
| * 0: Leave OK |
| * -1: Timeout |
| * -2: Other error |
| */ |
| s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms) |
| { |
| unsigned long start_time; |
| u8 bAwake = false; |
| s32 err = 0; |
| |
| |
| start_time = jiffies; |
| while (1) { |
| rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake); |
| if (bAwake) |
| break; |
| |
| if (padapter->bSurpriseRemoved) { |
| err = -2; |
| DBG_88E("%s: device surprise removed!!\n", __func__); |
| break; |
| } |
| |
| if (jiffies_to_msecs(jiffies - start_time) > delay_ms) { |
| err = -1; |
| DBG_88E("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms); |
| break; |
| } |
| msleep(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) == false) |
| 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_88E("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps); |
| /* For Tenda W311R IOT issue */ |
| rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, pwrpriv->smart_ps, 0); |
| } |
| } 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, 0); |
| |
| 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)) |
| rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue); |
| } |
| |
| void rtw_init_pwrctrl_priv(struct adapter *padapter) |
| { |
| struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; |
| |
| _init_pwrlock(&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->pwr_state_check_cnts = 0; |
| pwrctrlpriv->bInternalAutoSuspend = false; |
| pwrctrlpriv->bInSuspend = false; |
| pwrctrlpriv->bkeepfwalive = false; |
| |
| pwrctrlpriv->LpsIdleCount = 0; |
| if (padapter->registrypriv.mp_mode == 1) |
| pwrctrlpriv->power_mgnt = PS_MODE_ACTIVE; |
| else |
| pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */ |
| 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); |
| } |
| |
| /* |
| * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend |
| * @adapter: pointer to struct adapter structure |
| * @ips_deffer_ms: the ms will prevent from falling into IPS after wakeup |
| * Return _SUCCESS or _FAIL |
| */ |
| |
| int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller) |
| { |
| struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| unsigned long expires; |
| unsigned long start; |
| int ret = _SUCCESS; |
| |
| expires = jiffies + msecs_to_jiffies(ips_deffer_ms); |
| if (time_before(pwrpriv->ips_deny_time, expires)) |
| pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); |
| |
| start = jiffies; |
| if (pwrpriv->ps_processing) { |
| DBG_88E("%s wait ps_processing...\n", __func__); |
| while (pwrpriv->ps_processing && |
| jiffies_to_msecs(jiffies - start) <= 3000) |
| usleep_range(1000, 3000); |
| if (pwrpriv->ps_processing) |
| DBG_88E("%s wait ps_processing timeout\n", __func__); |
| else |
| DBG_88E("%s wait ps_processing done\n", __func__); |
| } |
| |
| /* System suspend is not allowed to wakeup */ |
| if ((!pwrpriv->bInternalAutoSuspend) && (pwrpriv->bInSuspend)) { |
| ret = _FAIL; |
| goto exit; |
| } |
| |
| /* block??? */ |
| if ((pwrpriv->bInternalAutoSuspend) && (padapter->net_closed)) { |
| 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_88E("%s call ips_leave....\n", __func__); |
| if (_FAIL == ips_leave(padapter)) { |
| DBG_88E("======> ips_leave fail.............\n"); |
| ret = _FAIL; |
| goto exit; |
| } |
| } |
| |
| /* TODO: the following checking need to be merged... */ |
| if (padapter->bDriverStopped || !padapter->bup || |
| !padapter->hw_init_completed) { |
| DBG_88E("%s: bDriverStopped=%d, bup=%d, hw_init_completed =%u\n" |
| , caller |
| , padapter->bDriverStopped |
| , padapter->bup |
| , padapter->hw_init_completed); |
| ret = false; |
| goto exit; |
| } |
| |
| exit: |
| expires = jiffies + msecs_to_jiffies(ips_deffer_ms); |
| if (time_before(pwrpriv->ips_deny_time, expires)) |
| pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms); |
| 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 (PS_MODE_ACTIVE == mode) |
| LeaveAllPowerSaveMode(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_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); |
| DBG_88E("%s %s\n", __func__, mode == IPS_NORMAL ? "IPS_NORMAL" : "IPS_LEVEL_2"); |
| return 0; |
| } else if (mode == IPS_NONE) { |
| rtw_ips_mode_req(pwrctrlpriv, mode); |
| DBG_88E("%s %s\n", __func__, "IPS_NONE"); |
| if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter))) |
| return -EFAULT; |
| } else { |
| return -EINVAL; |
| } |
| return 0; |
| } |