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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019 Realtek Corporation
*/
#include "main.h"
#include "fw.h"
#include "ps.h"
#include "mac.h"
#include "debug.h"
static int rtw_ips_pwr_up(struct rtw_dev *rtwdev)
{
int ret;
ret = rtw_core_start(rtwdev);
if (ret)
rtw_err(rtwdev, "leave idle state failed\n");
rtw_set_channel(rtwdev);
rtw_flag_clear(rtwdev, RTW_FLAG_INACTIVE_PS);
return ret;
}
int rtw_enter_ips(struct rtw_dev *rtwdev)
{
rtw_flag_set(rtwdev, RTW_FLAG_INACTIVE_PS);
rtw_core_stop(rtwdev);
return 0;
}
static void rtw_restore_port_cfg_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct rtw_dev *rtwdev = data;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
u32 config = ~0;
rtw_vif_port_config(rtwdev, rtwvif, config);
}
int rtw_leave_ips(struct rtw_dev *rtwdev)
{
int ret;
ret = rtw_ips_pwr_up(rtwdev);
if (ret) {
rtw_err(rtwdev, "failed to leave ips state\n");
return ret;
}
rtw_iterate_vifs_atomic(rtwdev, rtw_restore_port_cfg_iter, rtwdev);
return 0;
}
static void rtw_leave_lps_core(struct rtw_dev *rtwdev)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
conf->state = RTW_ALL_ON;
conf->awake_interval = 1;
conf->rlbm = 0;
conf->smart_ps = 0;
rtw_fw_set_pwr_mode(rtwdev);
rtw_flag_clear(rtwdev, RTW_FLAG_LEISURE_PS);
}
static void rtw_enter_lps_core(struct rtw_dev *rtwdev)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
conf->state = RTW_RF_OFF;
conf->awake_interval = 1;
conf->rlbm = 1;
conf->smart_ps = 2;
rtw_fw_set_pwr_mode(rtwdev);
rtw_flag_set(rtwdev, RTW_FLAG_LEISURE_PS);
}
void rtw_lps_work(struct work_struct *work)
{
struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
lps_work.work);
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
struct rtw_vif *rtwvif = conf->rtwvif;
if (WARN_ON(!rtwvif))
return;
if (conf->mode == RTW_MODE_LPS)
rtw_enter_lps_core(rtwdev);
else
rtw_leave_lps_core(rtwdev);
}
void rtw_enter_lps_irqsafe(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
if (rtwvif->in_lps)
return;
conf->mode = RTW_MODE_LPS;
conf->rtwvif = rtwvif;
rtwvif->in_lps = true;
ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->lps_work, 0);
}
void rtw_leave_lps_irqsafe(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
if (!rtwvif->in_lps)
return;
conf->mode = RTW_MODE_ACTIVE;
conf->rtwvif = rtwvif;
rtwvif->in_lps = false;
ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->lps_work, 0);
}
bool rtw_in_lps(struct rtw_dev *rtwdev)
{
return rtw_flag_check(rtwdev, RTW_FLAG_LEISURE_PS);
}
void rtw_enter_lps(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
if (WARN_ON(!rtwvif))
return;
if (rtwvif->in_lps)
return;
conf->mode = RTW_MODE_LPS;
conf->rtwvif = rtwvif;
rtwvif->in_lps = true;
rtw_enter_lps_core(rtwdev);
}
void rtw_leave_lps(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
{
struct rtw_lps_conf *conf = &rtwdev->lps_conf;
if (WARN_ON(!rtwvif))
return;
if (!rtwvif->in_lps)
return;
conf->mode = RTW_MODE_ACTIVE;
conf->rtwvif = rtwvif;
rtwvif->in_lps = false;
rtw_leave_lps_core(rtwdev);
}
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