--- /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.
+ *
+ ******************************************************************************/
+#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;
+}
Code Review / kvmfornfv.git / blobdiff