LuckFox-RV1103-1106/sysdrv/drv_ko/wifi/aic8800dc/aic8800_btlpm/rfkill.c

/*
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/rfkill.h>
#include <linux/gpio.h>
#include <linux/ioport.h>
#include <linux/clk.h>
#include <linux/of_gpio.h>
#include <linux/version.h>
#include "aic_bsp_export.h"

static struct rfkill *bt_rfk;
static const char bt_name[] = "bluetooth";

static int bluetooth_set_power(void *data, bool blocked)
{
	pr_info("%s: start_block=%d\n", __func__, blocked);
	if (!blocked) {
		aicbsp_set_subsys(AIC_BLUETOOTH, AIC_PWR_ON);
	} else {
		aicbsp_set_subsys(AIC_BLUETOOTH, AIC_PWR_OFF);
	}

	pr_info("%s: end_block=%d\n", __func__, blocked);
	return 0;
}

static struct rfkill_ops rfkill_bluetooth_ops = {
	.set_block = bluetooth_set_power,
};

int rfkill_bluetooth_init(struct platform_device *pdev)
{
	int rc = 0;

	pr_info("-->%s\n", __func__);
	bt_rfk = rfkill_alloc(bt_name, &pdev->dev, RFKILL_TYPE_BLUETOOTH,
			      &rfkill_bluetooth_ops, NULL);
	if (!bt_rfk) {
		rc = -ENOMEM;
		goto err_rfkill_alloc;
	}
	/* userspace cannot take exclusive control */
	rfkill_init_sw_state(bt_rfk, true);
	rc = rfkill_register(bt_rfk);
	if (rc)
		goto err_rfkill_reg;

	pr_info("<--%s\n", __func__);

	return 0;

err_rfkill_reg:
	rfkill_destroy(bt_rfk);
err_rfkill_alloc:
	return rc;
}

int rfkill_bluetooth_remove(struct platform_device *dev)
{
	pr_info("-->%s\n", __func__);
	rfkill_unregister(bt_rfk);
	rfkill_destroy(bt_rfk);
	pr_info("<--%s\n", __func__);
	return 0;
}