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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2019-2020 Realtek Corporation
*/
#include "coex.h"
#include "core.h"
#include "debug.h"
#include "fw.h"
#include "mac.h"
#include "ps.h"
#include "reg.h"
#include "util.h"
static int rtw89_fw_leave_lps_check(struct rtw89_dev *rtwdev, u8 macid)
{
u32 pwr_en_bit = 0xE;
u32 chk_msk = pwr_en_bit << (4 * macid);
u32 polling;
int ret;
ret = read_poll_timeout_atomic(rtw89_read32_mask, polling, !polling,
1000, 50000, false, rtwdev,
R_AX_PPWRBIT_SETTING, chk_msk);
if (ret) {
rtw89_info(rtwdev, "rtw89: failed to leave lps state\n");
return -EBUSY;
}
return 0;
}
static void __rtw89_enter_ps_mode(struct rtw89_dev *rtwdev)
{
if (!rtwdev->ps_mode)
return;
if (test_and_set_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags))
return;
rtw89_mac_power_mode_change(rtwdev, true);
}
void __rtw89_leave_ps_mode(struct rtw89_dev *rtwdev)
{
if (!rtwdev->ps_mode)
return;
if (test_and_clear_bit(RTW89_FLAG_LOW_POWER_MODE, rtwdev->flags))
rtw89_mac_power_mode_change(rtwdev, false);
}
static void __rtw89_enter_lps(struct rtw89_dev *rtwdev, u8 mac_id)
{
struct rtw89_lps_parm lps_param = {
.macid = mac_id,
.psmode = RTW89_MAC_AX_PS_MODE_LEGACY,
.lastrpwm = RTW89_LAST_RPWM_PS,
};
rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_FW_CTRL);
rtw89_fw_h2c_lps_parm(rtwdev, &lps_param);
}
static void __rtw89_leave_lps(struct rtw89_dev *rtwdev, u8 mac_id)
{
struct rtw89_lps_parm lps_param = {
.macid = mac_id,
.psmode = RTW89_MAC_AX_PS_MODE_ACTIVE,
.lastrpwm = RTW89_LAST_RPWM_ACTIVE,
};
rtw89_fw_h2c_lps_parm(rtwdev, &lps_param);
rtw89_fw_leave_lps_check(rtwdev, 0);
rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_ON);
}
void rtw89_leave_ps_mode(struct rtw89_dev *rtwdev)
{
lockdep_assert_held(&rtwdev->mutex);
__rtw89_leave_ps_mode(rtwdev);
}
void rtw89_enter_lps(struct rtw89_dev *rtwdev, u8 mac_id)
{
lockdep_assert_held(&rtwdev->mutex);
if (test_and_set_bit(RTW89_FLAG_LEISURE_PS, rtwdev->flags))
return;
__rtw89_enter_lps(rtwdev, mac_id);
__rtw89_enter_ps_mode(rtwdev);
}
static void rtw89_leave_lps_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
if (rtwvif->wifi_role != RTW89_WIFI_ROLE_STATION)
return;
__rtw89_leave_ps_mode(rtwdev);
__rtw89_leave_lps(rtwdev, rtwvif->mac_id);
}
void rtw89_leave_lps(struct rtw89_dev *rtwdev)
{
struct rtw89_vif *rtwvif;
lockdep_assert_held(&rtwdev->mutex);
if (!test_and_clear_bit(RTW89_FLAG_LEISURE_PS, rtwdev->flags))
return;
rtw89_for_each_rtwvif(rtwdev, rtwvif)
rtw89_leave_lps_vif(rtwdev, rtwvif);
}
void rtw89_enter_ips(struct rtw89_dev *rtwdev)
{
struct rtw89_vif *rtwvif;
set_bit(RTW89_FLAG_INACTIVE_PS, rtwdev->flags);
rtw89_for_each_rtwvif(rtwdev, rtwvif)
rtw89_mac_vif_deinit(rtwdev, rtwvif);
rtw89_core_stop(rtwdev);
}
void rtw89_leave_ips(struct rtw89_dev *rtwdev)
{
struct rtw89_vif *rtwvif;
int ret;
ret = rtw89_core_start(rtwdev);
if (ret)
rtw89_err(rtwdev, "failed to leave idle state\n");
rtw89_set_channel(rtwdev);
rtw89_for_each_rtwvif(rtwdev, rtwvif)
rtw89_mac_vif_init(rtwdev, rtwvif);
clear_bit(RTW89_FLAG_INACTIVE_PS, rtwdev->flags);
}
void rtw89_set_coex_ctrl_lps(struct rtw89_dev *rtwdev, bool btc_ctrl)
{
if (btc_ctrl)
rtw89_leave_lps(rtwdev);
}
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