diff options
Diffstat (limited to 'drivers/staging/ath6kl/os/linux/ar6000_pm.c')
| -rw-r--r-- | drivers/staging/ath6kl/os/linux/ar6000_pm.c | 626 |
1 files changed, 0 insertions, 626 deletions
diff --git a/drivers/staging/ath6kl/os/linux/ar6000_pm.c b/drivers/staging/ath6kl/os/linux/ar6000_pm.c deleted file mode 100644 index 1e0ace8b6d1..00000000000 --- a/drivers/staging/ath6kl/os/linux/ar6000_pm.c +++ /dev/null @@ -1,626 +0,0 @@ -/* - * - * Copyright (c) 2004-2010 Atheros Communications Inc. - * All rights reserved. - * - * -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// - * - */ - -/* - * Implementation of system power management - */ - -#include "ar6000_drv.h" -#include <linux/inetdevice.h> -#include <linux/platform_device.h> -#include "wlan_config.h" - -#define WOW_ENABLE_MAX_INTERVAL 0 -#define WOW_SET_SCAN_PARAMS 0 - -extern unsigned int wmitimeout; -extern wait_queue_head_t arEvent; - -#undef ATH_MODULE_NAME -#define ATH_MODULE_NAME pm -#define ATH_DEBUG_PM ATH_DEBUG_MAKE_MODULE_MASK(0) - -#ifdef DEBUG -static struct ath_debug_mask_description pm_debug_desc[] = { - { ATH_DEBUG_PM , "System power management"}, -}; - -ATH_DEBUG_INSTANTIATE_MODULE_VAR(pm, - "pm", - "System Power Management", - ATH_DEBUG_MASK_DEFAULTS | ATH_DEBUG_PM, - ATH_DEBUG_DESCRIPTION_COUNT(pm_debug_desc), - pm_debug_desc); - -#endif /* DEBUG */ - -int ar6000_exit_cut_power_state(struct ar6_softc *ar); - -#ifdef CONFIG_PM -static void ar6k_send_asleep_event_to_app(struct ar6_softc *ar, bool asleep) -{ - char buf[128]; - union iwreq_data wrqu; - - snprintf(buf, sizeof(buf), "HOST_ASLEEP=%s", asleep ? "asleep" : "awake"); - A_MEMZERO(&wrqu, sizeof(wrqu)); - wrqu.data.length = strlen(buf); - wireless_send_event(ar->arNetDev, IWEVCUSTOM, &wrqu, buf); -} - -static void ar6000_wow_resume(struct ar6_softc *ar) -{ - if (ar->arWowState!= WLAN_WOW_STATE_NONE) { - u16 fg_start_period = (ar->scParams.fg_start_period==0) ? 1 : ar->scParams.fg_start_period; - u16 bg_period = (ar->scParams.bg_period==0) ? 60 : ar->scParams.bg_period; - WMI_SET_HOST_SLEEP_MODE_CMD hostSleepMode = {true, false}; - ar->arWowState = WLAN_WOW_STATE_NONE; - if (wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode)!= 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to setup restore host awake\n")); - } -#if WOW_SET_SCAN_PARAMS - wmi_scanparams_cmd(ar->arWmi, fg_start_period, - ar->scParams.fg_end_period, - bg_period, - ar->scParams.minact_chdwell_time, - ar->scParams.maxact_chdwell_time, - ar->scParams.pas_chdwell_time, - ar->scParams.shortScanRatio, - ar->scParams.scanCtrlFlags, - ar->scParams.max_dfsch_act_time, - ar->scParams.maxact_scan_per_ssid); -#else - (void)fg_start_period; - (void)bg_period; -#endif - - -#if WOW_ENABLE_MAX_INTERVAL /* we don't do it if the power consumption is already good enough. */ - if (wmi_listeninterval_cmd(ar->arWmi, ar->arListenIntervalT, ar->arListenIntervalB) == 0) { - } -#endif - ar6k_send_asleep_event_to_app(ar, false); - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("Resume WoW successfully\n")); - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("WoW does not invoked. skip resume")); - } - ar->arWlanPowerState = WLAN_POWER_STATE_ON; -} - -static void ar6000_wow_suspend(struct ar6_softc *ar) -{ -#define WOW_LIST_ID 1 - if (ar->arNetworkType != AP_NETWORK) { - /* Setup WoW for unicast & Arp request for our own IP - disable background scan. Set listen interval into 1000 TUs - Enable keepliave for 110 seconds - */ - struct in_ifaddr **ifap = NULL; - struct in_ifaddr *ifa = NULL; - struct in_device *in_dev; - u8 macMask[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - int status; - WMI_ADD_WOW_PATTERN_CMD addWowCmd = { .filter = { 0 } }; - WMI_DEL_WOW_PATTERN_CMD delWowCmd; - WMI_SET_HOST_SLEEP_MODE_CMD hostSleepMode = {false, true}; - WMI_SET_WOW_MODE_CMD wowMode = { .enable_wow = true, - .hostReqDelay = 500 };/*500 ms delay*/ - - if (ar->arWowState!= WLAN_WOW_STATE_NONE) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("System already go into wow mode!\n")); - return; - } - - ar6000_TxDataCleanup(ar); /* IMPORTANT, otherwise there will be 11mA after listen interval as 1000*/ - -#if WOW_ENABLE_MAX_INTERVAL /* we don't do it if the power consumption is already good enough. */ - if (wmi_listeninterval_cmd(ar->arWmi, A_MAX_WOW_LISTEN_INTERVAL, 0) == 0) { - } -#endif - -#if WOW_SET_SCAN_PARAMS - status = wmi_scanparams_cmd(ar->arWmi, 0xFFFF, 0, 0xFFFF, 0, 0, 0, 0, 0, 0, 0); -#endif - /* clear up our WoW pattern first */ - delWowCmd.filter_list_id = WOW_LIST_ID; - delWowCmd.filter_id = 0; - wmi_del_wow_pattern_cmd(ar->arWmi, &delWowCmd); - - /* setup unicast packet pattern for WoW */ - if (ar->arNetDev->dev_addr[1]) { - addWowCmd.filter_list_id = WOW_LIST_ID; - addWowCmd.filter_size = 6; /* MAC address */ - addWowCmd.filter_offset = 0; - status = wmi_add_wow_pattern_cmd(ar->arWmi, &addWowCmd, ar->arNetDev->dev_addr, macMask, addWowCmd.filter_size); - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to add WoW pattern\n")); - } - } - /* setup ARP request for our own IP */ - if ((in_dev = __in_dev_get_rtnl(ar->arNetDev)) != NULL) { - for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; ifap = &ifa->ifa_next) { - if (!strcmp(ar->arNetDev->name, ifa->ifa_label)) { - break; /* found */ - } - } - } - if (ifa && ifa->ifa_local) { - WMI_SET_IP_CMD ipCmd; - memset(&ipCmd, 0, sizeof(ipCmd)); - ipCmd.ips[0] = ifa->ifa_local; - status = wmi_set_ip_cmd(ar->arWmi, &ipCmd); - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to setup IP for ARP agent\n")); - } - } - -#ifndef ATH6K_CONFIG_OTA_MODE - wmi_powermode_cmd(ar->arWmi, REC_POWER); -#endif - - status = wmi_set_wow_mode_cmd(ar->arWmi, &wowMode); - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to enable wow mode\n")); - } - ar6k_send_asleep_event_to_app(ar, true); - - status = wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode); - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to set host asleep\n")); - } - - ar->arWowState = WLAN_WOW_STATE_SUSPENDING; - if (ar->arTxPending[ar->arControlEp]) { - u32 timeleft = wait_event_interruptible_timeout(arEvent, - ar->arTxPending[ar->arControlEp] == 0, wmitimeout * HZ); - if (!timeleft || signal_pending(current)) { - /* what can I do? wow resume at once */ - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to setup WoW. Pending wmi control data %d\n", ar->arTxPending[ar->arControlEp])); - } - } - - status = hifWaitForPendingRecv(ar->arHifDevice); - - ar->arWowState = WLAN_WOW_STATE_SUSPENDED; - ar->arWlanPowerState = WLAN_POWER_STATE_WOW; - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Not allowed to go to WOW at this moment.\n")); - } -} - -int ar6000_suspend_ev(void *context) -{ - int status = 0; - struct ar6_softc *ar = (struct ar6_softc *)context; - s16 pmmode = ar->arSuspendConfig; -wow_not_connected: - switch (pmmode) { - case WLAN_SUSPEND_WOW: - if (ar->arWmiReady && ar->arWlanState==WLAN_ENABLED && ar->arConnected) { - ar6000_wow_suspend(ar); - AR_DEBUG_PRINTF(ATH_DEBUG_PM,("%s:Suspend for wow mode %d\n", __func__, ar->arWlanPowerState)); - } else { - pmmode = ar->arWow2Config; - goto wow_not_connected; - } - break; - case WLAN_SUSPEND_CUT_PWR: - /* fall through */ - case WLAN_SUSPEND_CUT_PWR_IF_BT_OFF: - /* fall through */ - case WLAN_SUSPEND_DEEP_SLEEP: - /* fall through */ - default: - status = ar6000_update_wlan_pwr_state(ar, WLAN_DISABLED, true); - if (ar->arWlanPowerState==WLAN_POWER_STATE_ON || - ar->arWlanPowerState==WLAN_POWER_STATE_WOW) { - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("Strange suspend state for not wow mode %d", ar->arWlanPowerState)); - } - AR_DEBUG_PRINTF(ATH_DEBUG_PM,("%s:Suspend for %d mode pwr %d status %d\n", __func__, pmmode, ar->arWlanPowerState, status)); - status = (ar->arWlanPowerState == WLAN_POWER_STATE_CUT_PWR) ? 0 : A_EBUSY; - break; - } - - ar->scan_triggered = 0; - return status; -} - -int ar6000_resume_ev(void *context) -{ - struct ar6_softc *ar = (struct ar6_softc *)context; - u16 powerState = ar->arWlanPowerState; - - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("%s: enter previous state %d wowState %d\n", __func__, powerState, ar->arWowState)); - switch (powerState) { - case WLAN_POWER_STATE_WOW: - ar6000_wow_resume(ar); - break; - case WLAN_POWER_STATE_CUT_PWR: - /* fall through */ - case WLAN_POWER_STATE_DEEP_SLEEP: - ar6000_update_wlan_pwr_state(ar, WLAN_ENABLED, true); - AR_DEBUG_PRINTF(ATH_DEBUG_PM,("%s:Resume for %d mode pwr %d\n", __func__, powerState, ar->arWlanPowerState)); - break; - case WLAN_POWER_STATE_ON: - break; - default: - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Strange SDIO bus power mode!!\n")); - break; - } - return 0; -} - -void ar6000_check_wow_status(struct ar6_softc *ar, struct sk_buff *skb, bool isEvent) -{ - if (ar->arWowState!=WLAN_WOW_STATE_NONE) { - if (ar->arWowState==WLAN_WOW_STATE_SUSPENDING) { - AR_DEBUG_PRINTF(ATH_DEBUG_PM,("\n%s: Received IRQ while we are wow suspending!!!\n\n", __func__)); - return; - } - /* Wow resume from irq interrupt */ - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("%s: WoW resume from irq thread status %d\n", __func__, ar->arWlanPowerState)); - ar6000_wow_resume(ar); - } -} - -int ar6000_power_change_ev(void *context, u32 config) -{ - struct ar6_softc *ar = (struct ar6_softc *)context; - int status = 0; - - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("%s: power change event callback %d \n", __func__, config)); - switch (config) { - case HIF_DEVICE_POWER_UP: - ar6000_restart_endpoint(ar->arNetDev); - status = 0; - break; - case HIF_DEVICE_POWER_DOWN: - case HIF_DEVICE_POWER_CUT: - status = 0; - break; - } - return status; -} - -#endif /* CONFIG_PM */ - -int -ar6000_setup_cut_power_state(struct ar6_softc *ar, AR6000_WLAN_STATE state) -{ - int status = 0; - HIF_DEVICE_POWER_CHANGE_TYPE config; - - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("%s: Cut power %d %d \n", __func__,state, ar->arWlanPowerState)); -#ifdef CONFIG_PM - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("Wlan OFF %d BT OFf %d \n", ar->arWlanOff, ar->arBTOff)); -#endif - do { - if (state == WLAN_ENABLED) { - /* Not in cut power state.. exit */ - if (ar->arWlanPowerState != WLAN_POWER_STATE_CUT_PWR) { - break; - } - - /* Change the state to ON */ - ar->arWlanPowerState = WLAN_POWER_STATE_ON; - - - /* Indicate POWER_UP to HIF */ - config = HIF_DEVICE_POWER_UP; - status = HIFConfigureDevice(ar->arHifDevice, - HIF_DEVICE_POWER_STATE_CHANGE, - &config, - sizeof(HIF_DEVICE_POWER_CHANGE_TYPE)); - - if (status == A_PENDING) { - } else if (status == 0) { - ar6000_restart_endpoint(ar->arNetDev); - status = 0; - } - } else if (state == WLAN_DISABLED) { - - - /* Already in cut power state.. exit */ - if (ar->arWlanPowerState == WLAN_POWER_STATE_CUT_PWR) { - break; - } - ar6000_stop_endpoint(ar->arNetDev, true, false); - - config = HIF_DEVICE_POWER_CUT; - status = HIFConfigureDevice(ar->arHifDevice, - HIF_DEVICE_POWER_STATE_CHANGE, - &config, - sizeof(HIF_DEVICE_POWER_CHANGE_TYPE)); - - ar->arWlanPowerState = WLAN_POWER_STATE_CUT_PWR; - } - } while (0); - - return status; -} - -int -ar6000_setup_deep_sleep_state(struct ar6_softc *ar, AR6000_WLAN_STATE state) -{ - int status = 0; - - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("%s: Deep sleep %d %d \n", __func__,state, ar->arWlanPowerState)); -#ifdef CONFIG_PM - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("Wlan OFF %d BT OFf %d \n", ar->arWlanOff, ar->arBTOff)); -#endif - do { - WMI_SET_HOST_SLEEP_MODE_CMD hostSleepMode; - - if (state == WLAN_ENABLED) { - u16 fg_start_period; - - /* Not in deep sleep state.. exit */ - if (ar->arWlanPowerState != WLAN_POWER_STATE_DEEP_SLEEP) { - if (ar->arWlanPowerState != WLAN_POWER_STATE_ON) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Strange state when we resume from deep sleep %d\n", ar->arWlanPowerState)); - } - break; - } - - fg_start_period = (ar->scParams.fg_start_period==0) ? 1 : ar->scParams.fg_start_period; - hostSleepMode.awake = true; - hostSleepMode.asleep = false; - - if ((status=wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode)) != 0) { - break; - } - - /* Change the state to ON */ - ar->arWlanPowerState = WLAN_POWER_STATE_ON; - - /* Enable foreground scanning */ - if ((status=wmi_scanparams_cmd(ar->arWmi, fg_start_period, - ar->scParams.fg_end_period, - ar->scParams.bg_period, - ar->scParams.minact_chdwell_time, - ar->scParams.maxact_chdwell_time, - ar->scParams.pas_chdwell_time, - ar->scParams.shortScanRatio, - ar->scParams.scanCtrlFlags, - ar->scParams.max_dfsch_act_time, - ar->scParams.maxact_scan_per_ssid)) != 0) - { - break; - } - - if (ar->arNetworkType != AP_NETWORK) - { - if (ar->arSsidLen) { - if (ar6000_connect_to_ap(ar) != 0) { - /* no need to report error if connection failed */ - break; - } - } - } - } else if (state == WLAN_DISABLED){ - WMI_SET_WOW_MODE_CMD wowMode = { .enable_wow = false }; - - /* Already in deep sleep state.. exit */ - if (ar->arWlanPowerState != WLAN_POWER_STATE_ON) { - if (ar->arWlanPowerState != WLAN_POWER_STATE_DEEP_SLEEP) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Strange state when we suspend for deep sleep %d\n", ar->arWlanPowerState)); - } - break; - } - - if (ar->arNetworkType != AP_NETWORK) - { - /* Disconnect from the AP and disable foreground scanning */ - AR6000_SPIN_LOCK(&ar->arLock, 0); - if (ar->arConnected == true || ar->arConnectPending == true) { - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - wmi_disconnect_cmd(ar->arWmi); - } else { - AR6000_SPIN_UNLOCK(&ar->arLock, 0); - } - } - - ar->scan_triggered = 0; - - if ((status=wmi_scanparams_cmd(ar->arWmi, 0xFFFF, 0, 0, 0, 0, 0, 0, 0, 0, 0)) != 0) { - break; - } - - /* make sure we disable wow for deep sleep */ - if ((status=wmi_set_wow_mode_cmd(ar->arWmi, &wowMode))!= 0) - { - break; - } - - ar6000_TxDataCleanup(ar); -#ifndef ATH6K_CONFIG_OTA_MODE - wmi_powermode_cmd(ar->arWmi, REC_POWER); -#endif - - hostSleepMode.awake = false; - hostSleepMode.asleep = true; - if ((status=wmi_set_host_sleep_mode_cmd(ar->arWmi, &hostSleepMode))!= 0) { - break; - } - if (ar->arTxPending[ar->arControlEp]) { - u32 timeleft = wait_event_interruptible_timeout(arEvent, - ar->arTxPending[ar->arControlEp] == 0, wmitimeout * HZ); - if (!timeleft || signal_pending(current)) { - status = A_ERROR; - break; - } - } - status = hifWaitForPendingRecv(ar->arHifDevice); - - ar->arWlanPowerState = WLAN_POWER_STATE_DEEP_SLEEP; - } - } while (0); - - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to enter/exit deep sleep %d\n", state)); - } - - return status; -} - -int -ar6000_update_wlan_pwr_state(struct ar6_softc *ar, AR6000_WLAN_STATE state, bool pmEvent) -{ - int status = 0; - u16 powerState, oldPowerState; - AR6000_WLAN_STATE oldstate = ar->arWlanState; - bool wlanOff = ar->arWlanOff; -#ifdef CONFIG_PM - bool btOff = ar->arBTOff; -#endif /* CONFIG_PM */ - - if ((state!=WLAN_DISABLED && state!=WLAN_ENABLED)) { - return A_ERROR; - } - - if (ar->bIsDestroyProgress) { - return A_EBUSY; - } - - if (down_interruptible(&ar->arSem)) { - return A_ERROR; - } - - if (ar->bIsDestroyProgress) { - up(&ar->arSem); - return A_EBUSY; - } - - ar->arWlanState = wlanOff ? WLAN_DISABLED : state; - oldPowerState = ar->arWlanPowerState; - if (state == WLAN_ENABLED) { - powerState = ar->arWlanPowerState; - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("WLAN PWR set to ENABLE^^\n")); - if (!wlanOff) { - if (powerState == WLAN_POWER_STATE_DEEP_SLEEP) { - status = ar6000_setup_deep_sleep_state(ar, WLAN_ENABLED); - } else if (powerState == WLAN_POWER_STATE_CUT_PWR) { - status = ar6000_setup_cut_power_state(ar, WLAN_ENABLED); - } - } -#ifdef CONFIG_PM - else if (pmEvent && wlanOff) { - bool allowCutPwr = ((!ar->arBTSharing) || btOff); - if ((powerState==WLAN_POWER_STATE_CUT_PWR) && (!allowCutPwr)) { - /* Come out of cut power */ - ar6000_setup_cut_power_state(ar, WLAN_ENABLED); - status = ar6000_setup_deep_sleep_state(ar, WLAN_DISABLED); - } - } -#endif /* CONFIG_PM */ - } else if (state == WLAN_DISABLED) { - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("WLAN PWR set to DISABLED~\n")); - powerState = WLAN_POWER_STATE_DEEP_SLEEP; -#ifdef CONFIG_PM - if (pmEvent) { /* disable due to suspend */ - bool suspendCutPwr = (ar->arSuspendConfig == WLAN_SUSPEND_CUT_PWR || - (ar->arSuspendConfig == WLAN_SUSPEND_WOW && - ar->arWow2Config==WLAN_SUSPEND_CUT_PWR)); - bool suspendCutIfBtOff = ((ar->arSuspendConfig == - WLAN_SUSPEND_CUT_PWR_IF_BT_OFF || - (ar->arSuspendConfig == WLAN_SUSPEND_WOW && - ar->arWow2Config==WLAN_SUSPEND_CUT_PWR_IF_BT_OFF)) && - (!ar->arBTSharing || btOff)); - if ((suspendCutPwr) || - (suspendCutIfBtOff) || - (ar->arWlanState==WLAN_POWER_STATE_CUT_PWR)) - { - powerState = WLAN_POWER_STATE_CUT_PWR; - } - } else { - if ((wlanOff) && - (ar->arWlanOffConfig == WLAN_OFF_CUT_PWR) && - (!ar->arBTSharing || btOff)) - { - /* For BT clock sharing designs, CUT_POWER depend on BT state */ - powerState = WLAN_POWER_STATE_CUT_PWR; - } - } -#endif /* CONFIG_PM */ - - if (powerState == WLAN_POWER_STATE_DEEP_SLEEP) { - if (ar->arWlanPowerState == WLAN_POWER_STATE_CUT_PWR) { - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("Load firmware before set to deep sleep\n")); - ar6000_setup_cut_power_state(ar, WLAN_ENABLED); - } - status = ar6000_setup_deep_sleep_state(ar, WLAN_DISABLED); - } else if (powerState == WLAN_POWER_STATE_CUT_PWR) { - status = ar6000_setup_cut_power_state(ar, WLAN_DISABLED); - } - - } - - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Fail to setup WLAN state %d\n", ar->arWlanState)); - ar->arWlanState = oldstate; - } else if (status == 0) { - WMI_REPORT_SLEEP_STATE_EVENT wmiSleepEvent, *pSleepEvent = NULL; - if ((ar->arWlanPowerState == WLAN_POWER_STATE_ON) && (oldPowerState != WLAN_POWER_STATE_ON)) { - wmiSleepEvent.sleepState = WMI_REPORT_SLEEP_STATUS_IS_AWAKE; - pSleepEvent = &wmiSleepEvent; - } else if ((ar->arWlanPowerState != WLAN_POWER_STATE_ON) && (oldPowerState == WLAN_POWER_STATE_ON)) { - wmiSleepEvent.sleepState = WMI_REPORT_SLEEP_STATUS_IS_DEEP_SLEEP; - pSleepEvent = &wmiSleepEvent; - } - if (pSleepEvent) { - AR_DEBUG_PRINTF(ATH_DEBUG_PM, ("SENT WLAN Sleep Event %d\n", wmiSleepEvent.sleepState)); - } - } - up(&ar->arSem); - return status; -} - -int -ar6000_set_bt_hw_state(struct ar6_softc *ar, u32 enable) -{ -#ifdef CONFIG_PM - bool off = (enable == 0); - int status; - if (ar->arBTOff == off) { - return 0; - } - ar->arBTOff = off; - status = ar6000_update_wlan_pwr_state(ar, ar->arWlanOff ? WLAN_DISABLED : WLAN_ENABLED, false); - return status; -#else - return 0; -#endif -} - -int -ar6000_set_wlan_state(struct ar6_softc *ar, AR6000_WLAN_STATE state) -{ - int status; - bool off = (state == WLAN_DISABLED); - if (ar->arWlanOff == off) { - return 0; - } - ar->arWlanOff = off; - status = ar6000_update_wlan_pwr_state(ar, state, false); - return status; -} |