// 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);