linux-imx

/*

 *

 *  Bluetooth support for Broadcom devices

 *

 *  Copyright (C) 2015  Intel Corporation

 *

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  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.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

​

#include <linux/module.h>

#include <linux/firmware.h>

#include <asm/unaligned.h>

​

#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>

​

#include "btbcm.h"

​

#define VERSION "0.1"

​

#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})

#define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}})

#define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})

#define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})

#define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})

​

int btbcm_check_bdaddr(struct hci_dev *hdev)

{

    struct hci_rp_read_bd_addr *bda;

    struct sk_buff *skb;

​

    skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,

                 HCI_INIT_TIMEOUT);

    if (IS_ERR(skb)) {

        int err = PTR_ERR(skb);

        bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err);

        return err;

    }

​

    if (skb->len != sizeof(*bda)) {

        bt_dev_err(hdev, "BCM: Device address length mismatch");

        kfree_skb(skb);

        return -EIO;

    }

​

    bda = (struct hci_rp_read_bd_addr *)skb->data;

​

    /* Check if the address indicates a controller with either an

     * invalid or default address. In both cases the device needs