linux/drivers/platform/x86/toshiba_bluetooth.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Toshiba Bluetooth Enable Driver
 *
 * Copyright (C) 2009 Jes Sorensen <[email protected]>
 * Copyright (C) 2015 Azael Avalos <[email protected]>
 *
 * Thanks to Matthew Garrett for background info on ACPI innards which
 * normal people aren't meant to understand :-)
 */

#define pr_fmt(fmt) …

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/acpi.h>
#include <linux/rfkill.h>

#define BT_KILLSWITCH_MASK …
#define BT_PLUGGED_MASK …
#define BT_POWER_MASK …

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;

struct toshiba_bluetooth_dev { … };

static int toshiba_bt_rfkill_add(struct acpi_device *device);
static void toshiba_bt_rfkill_remove(struct acpi_device *device);
static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event);

static const struct acpi_device_id bt_device_ids[] = …;
MODULE_DEVICE_TABLE(acpi, bt_device_ids);

#ifdef CONFIG_PM_SLEEP
static int toshiba_bt_resume(struct device *dev);
#endif
static SIMPLE_DEV_PM_OPS(toshiba_bt_pm, NULL, toshiba_bt_resume);

static struct acpi_driver toshiba_bt_rfkill_driver = …;

static int toshiba_bluetooth_present(acpi_handle handle)
{ … }

static int toshiba_bluetooth_status(acpi_handle handle)
{ … }

static int toshiba_bluetooth_enable(acpi_handle handle)
{ … }

static int toshiba_bluetooth_disable(acpi_handle handle)
{ … }

/* Helper function */
static int toshiba_bluetooth_sync_status(struct toshiba_bluetooth_dev *bt_dev)
{ … }

/* RFKill handlers */
static int bt_rfkill_set_block(void *data, bool blocked)
{ … }

static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
{ … }

static const struct rfkill_ops rfk_ops = …;

/* ACPI driver functions */
static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event)
{ … }

#ifdef CONFIG_PM_SLEEP
static int toshiba_bt_resume(struct device *dev)
{ … }
#endif

static int toshiba_bt_rfkill_add(struct acpi_device *device)
{ … }

static void toshiba_bt_rfkill_remove(struct acpi_device *device)
{ … }

module_acpi_driver(…) …;