8f470e6b2d
Use IEEE Standards 00:23:76:YY:YY:YY for HTC. -- http://standards.ieee.org/cgi-bin/ouisearch?00-23-76
123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
/*
|
|
* Copyright (C) 2009 Google, Inc.
|
|
* Copyright (C) 2009 HTC Corporation.
|
|
*
|
|
* 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/delay.h>
|
|
#include <linux/device.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/rfkill.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include "board-htcleo.h"
|
|
|
|
static struct rfkill *bt_rfk;
|
|
static const char bt_name[] = "bcm4329";
|
|
|
|
static int bluetooth_set_power(void *data, bool blocked)
|
|
{
|
|
if (!blocked) {
|
|
gpio_direction_output(HTCLEO_GPIO_BT_RESET_N, 1);
|
|
gpio_direction_output(HTCLEO_GPIO_BT_SHUTDOWN_N, 1);
|
|
} else {
|
|
gpio_direction_output(HTCLEO_GPIO_BT_SHUTDOWN_N, 0);
|
|
gpio_direction_output(HTCLEO_GPIO_BT_RESET_N, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct rfkill_ops htcleo_rfkill_ops = {
|
|
.set_block = bluetooth_set_power,
|
|
};
|
|
|
|
static int htcleo_rfkill_probe(struct platform_device *pdev)
|
|
{
|
|
int rc = 0;
|
|
bool default_state = true; /* off */
|
|
|
|
rc = gpio_request(HTCLEO_GPIO_BT_RESET_N, "bt_reset");
|
|
if (rc)
|
|
goto err_gpio_reset;
|
|
rc = gpio_request(HTCLEO_GPIO_BT_SHUTDOWN_N, "bt_shutdown");
|
|
if (rc)
|
|
goto err_gpio_shutdown;
|
|
|
|
bluetooth_set_power(NULL, default_state);
|
|
|
|
bt_rfk = rfkill_alloc(bt_name, &pdev->dev, RFKILL_TYPE_BLUETOOTH,
|
|
&htcleo_rfkill_ops, NULL);
|
|
if (!bt_rfk) {
|
|
rc = -ENOMEM;
|
|
goto err_rfkill_alloc;
|
|
}
|
|
|
|
rfkill_set_states(bt_rfk, default_state, false);
|
|
|
|
/* userspace cannot take exclusive control */
|
|
|
|
rc = rfkill_register(bt_rfk);
|
|
if (rc)
|
|
goto err_rfkill_reg;
|
|
|
|
return 0;
|
|
|
|
err_rfkill_reg:
|
|
rfkill_destroy(bt_rfk);
|
|
err_rfkill_alloc:
|
|
gpio_free(HTCLEO_GPIO_BT_SHUTDOWN_N);
|
|
err_gpio_shutdown:
|
|
gpio_free(HTCLEO_GPIO_BT_RESET_N);
|
|
err_gpio_reset:
|
|
return rc;
|
|
}
|
|
|
|
static int htcleo_rfkill_remove(struct platform_device *dev)
|
|
{
|
|
rfkill_unregister(bt_rfk);
|
|
rfkill_destroy(bt_rfk);
|
|
gpio_free(HTCLEO_GPIO_BT_SHUTDOWN_N);
|
|
gpio_free(HTCLEO_GPIO_BT_RESET_N);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver htcleo_rfkill_driver = {
|
|
.probe = htcleo_rfkill_probe,
|
|
.remove = htcleo_rfkill_remove,
|
|
.driver = {
|
|
.name = "htcleo_rfkill",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int __init htcleo_rfkill_init(void)
|
|
{
|
|
if (!machine_is_htcleo())
|
|
return 0;
|
|
|
|
return platform_driver_register(&htcleo_rfkill_driver);
|
|
}
|
|
|
|
static void __exit htcleo_rfkill_exit(void)
|
|
{
|
|
platform_driver_unregister(&htcleo_rfkill_driver);
|
|
}
|
|
|
|
module_init(htcleo_rfkill_init);
|
|
module_exit(htcleo_rfkill_exit);
|
|
MODULE_DESCRIPTION("htcleo rfkill");
|
|
MODULE_AUTHOR("Nick Pelly <npelly@google.com>");
|
|
MODULE_LICENSE("GPL");
|