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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Link Layer for Samsung S3FWRN5 NCI based Driver
*
* Copyright (C) 2015 Samsung Electrnoics
* Robert Baldyga <r.baldyga@samsung.com>
* Copyright (C) 2020 Samsung Electrnoics
* Bongsu Jeon <bongsu.jeon@samsung.com>
*/
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/module.h>
#include "phy_common.h"
void s3fwrn5_phy_set_wake(void *phy_id, bool wake)
{
struct phy_common *phy = phy_id;
mutex_lock(&phy->mutex);
gpio_set_value(phy->gpio_fw_wake, wake);
if (wake)
msleep(S3FWRN5_EN_WAIT_TIME);
mutex_unlock(&phy->mutex);
}
EXPORT_SYMBOL(s3fwrn5_phy_set_wake);
bool s3fwrn5_phy_power_ctrl(struct phy_common *phy, enum s3fwrn5_mode mode)
{
if (phy->mode == mode)
return false;
phy->mode = mode;
gpio_set_value(phy->gpio_en, 1);
gpio_set_value(phy->gpio_fw_wake, 0);
if (mode == S3FWRN5_MODE_FW)
gpio_set_value(phy->gpio_fw_wake, 1);
if (mode != S3FWRN5_MODE_COLD) {
msleep(S3FWRN5_EN_WAIT_TIME);
gpio_set_value(phy->gpio_en, 0);
msleep(S3FWRN5_EN_WAIT_TIME);
}
return true;
}
EXPORT_SYMBOL(s3fwrn5_phy_power_ctrl);
void s3fwrn5_phy_set_mode(void *phy_id, enum s3fwrn5_mode mode)
{
struct phy_common *phy = phy_id;
mutex_lock(&phy->mutex);
s3fwrn5_phy_power_ctrl(phy, mode);
mutex_unlock(&phy->mutex);
}
EXPORT_SYMBOL(s3fwrn5_phy_set_mode);
enum s3fwrn5_mode s3fwrn5_phy_get_mode(void *phy_id)
{
struct phy_common *phy = phy_id;
enum s3fwrn5_mode mode;
mutex_lock(&phy->mutex);
mode = phy->mode;
mutex_unlock(&phy->mutex);
return mode;
}
EXPORT_SYMBOL(s3fwrn5_phy_get_mode);
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