path: root/drivers/net/wireless/ath/ath12k/core.c

// 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"

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;
}

int ath12k_core_suspend(struct ath12k_base *ab)
{
	int ret;

	if (!ab->hw_params->supports_suspend)
		return -EOPNOTSUPP;

	/* TODO: there can frames in queues so for now add delay as a hack.
	 * Need to implement to handle and remove this delay.
	 */
	msleep(500);

	ret = ath12k_dp_rx_pktlog_stop(ab, true);
	if (ret) {
		ath12k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n",
			    ret);
		return ret;
	}

	ret = ath12k_dp_rx_pktlog_stop(ab, false);
	if (ret) {
		ath12k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n",
			    ret);
		return ret;
	}

	ath12k_hif_irq_disable(ab);
	ath12k_hif_ce_irq_disable(ab);

	ret = ath12k_hif_suspend(ab);
	if (ret) {
		ath12k_warn(ab, "failed to suspend hif: %d\n", ret);
		return ret;
	}

	return 0;
}

int ath12k_core_resume(struct ath12k_base *ab)
{
	int ret;

	if (!ab->hw_params->supports_suspend)
		return -EOPNOTSUPP;

	ret = ath12k_hif_resume(ab);
	if (ret) {
		ath12k_warn(ab, "failed to resume hif during resume: %d\n", ret);
		return ret;
	}

	ath12k_hif_ce_irq_enable(ab);
	ath12k_hif_irq_enable(ab);

	ret = ath12k_dp_rx_pktlog_start(ab);
	if (ret) {
		ath12k_warn(ab, "failed to start rx pktlog during resume: %d\n",
			    ret);
		return ret;
	}

	return 0;
}

static int __ath12k_core_create_board_name(struct ath12k_base *ab, char *name,
					   size_t name_len, bool with_variant,
					   bool bus_type_mode)
{
	/* strlen(',variant=') + strlen(ab->qmi.target.bdf_ext) */
	char variant[9 + ATH12K_QMI_BDF_EXT_STR_LENGTH] = { 0 };

	if (with_variant && ab->qmi.target.bdf_ext[0] != '\0')
		scnprintf(variant, sizeof(variant), ",variant=%s",
			  ab->qmi.target.bdf_ext);

	switch (ab->id.bdf_search) {
	case ATH12K_BDF_SEARCH_BUS_AND_BOARD:
		if (bus_type_mode)
			scnprintf(name, name_len,
				  "bus=%s",
				  ath12k_bus_str(ab->hif.bus));
		else
			scnprintf(name, name_len,
				  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x,qmi-chip-id=%d,qmi-board-id=%d%s",
				  ath12k_bus_str(ab->hif.bus),
				  ab->id.vendor, ab->id.device,
				  ab-&