2025-05-10 21:58:58 +08:00

120 lines
2.7 KiB
C

/*
* Copyright (C) 2015 Spreadtrum Communications Inc.
*
* 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 <marlin_platform.h>
#include <linux/vmalloc.h>
#include "include/rfkill.h"
#include <linux/semaphore.h>
#include "include/hci.h"
static struct rfkill *bt_rfk;
static const char bt_name[] = "bluetooth";
int bluetooth_set_power(void *data, bool blocked)
{
static int is_power_on = 0;
pr_err("%s: start_block=%d\n", __func__, blocked);
if (!blocked)
{
is_power_on = 1;
start_marlin(MARLIN_BLUETOOTH);
}
else
{
if (is_power_on)
{
//struct HC_BT_HDR *payload = (struct HC_BT_HDR *)vmalloc(sizeof(struct HC_BT_HDR) + 3);
//payload->len = 3;
//payload->data[0] = 0;
//payload->data[1] = 0;
//payload->data[2] = 0;
//hci_cmd_send_sync(0xfca1, payload, NULL);
}
is_power_on = 0;
stop_marlin(MARLIN_BLUETOOTH);
}
pr_err("%s: end_block=%d\n", __func__, blocked);
return 0;
}
//static int bluetooth_set_power_dryrun(void *data, bool blocked)
//{
//pr_err("%s: blocked %d data 0x%p\n", __func__, blocked, data);
//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_err("%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); //default power off
rc = rfkill_register(bt_rfk);
if (rc)
{
goto err_rfkill_reg;
}
pr_err("%s end\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_err("%s\n", __func__);
rfkill_unregister(bt_rfk);
rfkill_destroy(bt_rfk);
return 0;
}