--- /dev/null
+/******************************************************************************
+ *
+ * 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, 1);
+
+ /* 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)
+{
+ 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) == 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)
+{
+ u32 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 (rtw_get_passing_time_ms(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);
+}
+
+inline void rtw_set_ips_deny(struct 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 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;
+ 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);
+
+{
+ u32 start = jiffies;
+ if (pwrpriv->ps_processing) {
+ DBG_88E("%s wait ps_processing...\n", __func__);
+ while (pwrpriv->ps_processing && rtw_get_passing_time_ms(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;
+}
Code Review / kvmfornfv.git / blobdiff