linux-imx

/**

 * Marvell Bluetooth driver

 *

 * Copyright (C) 2009, Marvell International Ltd.

 *

 * This software file (the "File") is distributed by Marvell International

 * Ltd. under the terms of the GNU General Public License Version 2, June 1991

 * (the "License").  You may use, redistribute and/or modify this File in

 * accordance with the terms and conditions of the License, a copy of which

 * is available by writing to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the

 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.

 *

 *

 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE

 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about

 * this warranty disclaimer.

 **/

​

#include <linux/module.h>

#include <linux/of.h>

#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>

#include <linux/mmc/sdio_func.h>

​

#include "btmrvl_drv.h"

#include "btmrvl_sdio.h"

​

#define VERSION "1.0"

​

/*

 * This function is called by interface specific interrupt handler.

 * It updates Power Save & Host Sleep states, and wakes up the main

 * thread.

 */

void btmrvl_interrupt(struct btmrvl_private *priv)

{

    priv->adapter->ps_state = PS_AWAKE;

​

    priv->adapter->wakeup_tries = 0;

​

    priv->adapter->int_count++;

​

    if (priv->adapter->hs_state == HS_ACTIVATED) {

        BT_DBG("BT: HS DEACTIVATED in ISR!");

        priv->adapter->hs_state = HS_DEACTIVATED;

    }

​

    wake_up_interruptible(&priv->main_thread.wait_q);

}

EXPORT_SYMBOL_GPL(btmrvl_interrupt);

​

bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)

{

    struct hci_event_hdr *hdr = (void *) skb->data;

​

    if (hdr->evt == HCI_EV_CMD_COMPLETE) {

        struct hci_ev_cmd_complete *ec;

        u16 opcode;

​

        ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);

        opcode = __le16_to_cpu(ec->opcode);

​

        if (priv->btmrvl_dev.sendcmdflag) {

            priv->btmrvl_dev.sendcmdflag = false;

            priv->adapter->cmd_complete = true;

            wake_up_interruptible(&priv->adapter->cmd_wait_q);

​

            if (hci_opcode_ogf(opcode) == 0x3F) {

                BT_DBG("vendor event skipped: opcode=%#4.4x",

                       opcode);

                kfree_skb(skb);

                return false;

            }

        }

    }

​

    return true;

}

EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt);

​

int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)

{

    struct btmrvl_adapter *adapter = priv->adapter;

    struct btmrvl_event *event;

    int ret = 0;

​

    event = (struct btmrvl_event *) skb->data;

    if (event->ec != 0xff) {

        BT_DBG("Not Marvell Event=%x", event->ec);

        ret = -EINVAL;