// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/remoteproc.h>
#include <linux/firmware.h>
#include <linux/of.h>
#include "core.h"
#include "dp_tx.h"
#include "dp_rx.h"
#include "debug.h"
#include "hif.h"
#include "fw.h"
#include "debugfs.h"
#include "wow.h"
unsigned int ath12k_debug_mask;
module_param_named(debug_mask, ath12k_debug_mask, uint, 0644);
MODULE_PARM_DESC(debug_mask, "Debugging mask");
static int ath12k_core_rfkill_config(struct ath12k_base *ab)
{
struct ath12k *ar;
int ret = 0, i;
if (!(ab->target_caps.sys_cap_info & WMI_SYS_CAP_INFO_RFKILL))
return 0;
for (i = 0; i < ab->num_radios; i++) {
ar = ab->pdevs[i].ar;
ret = ath12k_mac_rfkill_config(ar);
if (ret && ret != -EOPNOTSUPP) {
ath12k_warn(ab, "failed to configure rfkill: %d", ret);
return ret;
}
}
return ret;
}
/* Check if we need to continue with suspend/resume operation.
* Return:
* a negative value: error happens and don't continue.
* 0: no error but don't continue.
* positive value: no error and do continue.
*/
static int ath12k_core_continue_suspend_resume(struct ath12k_base *ab)
{
struct ath12k *ar;
if (!ab->hw_params->supports_suspend)
return -EOPNOTSUPP;
/* so far single_pdev_only chips have supports_suspend as true
* so pass 0 as a dummy pdev_id here.
*/
ar = ab->pdevs[0].ar;
if (!ar || !ar->ah || ar->ah->state != ATH12K_HW_STATE_OFF)
return 0;
return 1;
}
int ath12k_core_suspend(struct ath12k_base *ab)
{
struct ath12k *ar;
int ret, i;
ret = ath12k_core_continue_suspend_resume(ab);
if (ret <= 0)
return ret;
for (i = 0; i < ab->num_radios; i++) {
ar = ab->pdevs[i].ar;
if (!ar)
continue;
ret = ath12k_mac_wait_tx_complete(ar);
if (ret) {
ath12k_warn(ab, "failed to wait tx complete: %d\n", ret);
return ret;
}
}
/* PM framework skips suspend_late/resume_early callbacks
* if other devices report errors in their suspend callbacks.
* However ath12k_core_resume() would still be called because
* 