1 /* Copyright Statement:
3 * This software/firmware and related documentation ("MediaTek Software") are
4 * protected under relevant copyright laws. The information contained herein is
5 * confidential and proprietary to MediaTek Inc. and/or its licensors. Without
6 * the prior written permission of MediaTek inc. and/or its licensors, any
7 * reproduction, modification, use or disclosure of MediaTek Software, and
8 * information contained herein, in whole or in part, shall be strictly
11 * MediaTek Inc. (C) 2010. All rights reserved.
13 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
14 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
15 * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
16 * ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL
17 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
19 * NONINFRINGEMENT. NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH
20 * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
21 * INCORPORATED IN, OR SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES
22 * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
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24 * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN MEDIATEK
25 * SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE
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27 * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S
28 * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE
29 * RELEASED HEREUNDER WILL BE, AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE
30 * MEDIATEK SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
31 * CHARGE PAID BY RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
33 * The following software/firmware and/or related documentation ("MediaTek
34 * Software") have been modified by MediaTek Inc. All revisions are subject to
35 * any receiver's applicable license agreements with MediaTek Inc.
38 #include <net/bluetooth/bluetooth.h>
39 #include <net/bluetooth/hci_core.h>
43 extern wait_queue_head_t eint_wait;
45 extern int eint_handle_method; // 0: for 4.1; 1: for 4.2
47 irqreturn_t mt_bt_eirq_handler(int i, void *arg)
49 struct hci_dev *hdev = NULL;
51 //printk(KERN_ALERT "mt_bt_eirq_handler\n");
54 if(eint_handle_method == 0) {
55 //#ifdef CONFIG_BT_HCIUART
56 /* BlueZ stack, hci_uart driver */
57 hdev = hci_dev_get(0);
59 /* Avoid the early interrupt before hci0 registered */
60 //BT_HWCTL_ALERT("hdev is NULL\n");
62 //BT_HWCTL_ALERT("EINT arrives! notify host wakeup\n");
63 //printk("Send host wakeup command\n");
64 hci_send_cmd(hdev, 0xFCC1, 0, NULL);
65 /* enable irq after receiving host wakeup command's event */
70 /* Maybe handle the interrupt in user space? */
72 wake_up_interruptible(&eint_wait);
74 /* Send host wakeup command in user space, enable irq then */