blob: b1b76f6fcda76e70018f9c7a159eef53b632eb49 [file] [log] [blame]
Deepa Dinamaniab9c2b92013-09-12 11:30:58 -07001/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above
9 * copyright notice, this list of conditions and the following
10 * disclaimer in the documentation and/or other materials provided
11 * with the distribution.
12 * * Neither the name of The Linux Foundation nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _UFS_HCI_H
30#define _UFS_HCI_H_
31
32#include <kernel/mutex.h>
33#include <kernel/event.h>
34#include <list.h>
35#include <ufs.h>
36
37#define UFS_HCE_TIMEOUT 100000
38
39struct ufs_req_irq_type
40{
41 struct list_node *list;
42 uint32_t irq_handled;
43 uint32_t door_bell_reg;
44};
45
46int ufs_reg_target_val_timeout_loop(uint32_t reg_addr, uint32_t target_val, uint32_t timeout);
47enum handler_return ufs_irq_handler(void* data);
48void ufs_irq_enable(struct ufs_dev *dev, uint32_t irq);
49int ufs_enable_hci(struct ufs_dev *dev);
50uint64_t ufs_alloc_trans_req_list();
51uint64_t ufs_alloc_task_mgmt_req_list();
52
53#endif