1/*
2 * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 *
13 */
14
15#ifndef PHY_QCOM_UFS_H_
16#define PHY_QCOM_UFS_H_
17
18#include "phy.h"
19
20/**
21 * ufs_qcom_phy_enable_ref_clk() - Enable the phy
22 * ref clock.
23 * @phy: reference to a generic phy
24 *
25 * returns 0 for success, and non-zero for error.
26 */
27int ufs_qcom_phy_enable_ref_clk(struct phy *phy);
28
29/**
30 * ufs_qcom_phy_disable_ref_clk() - Disable the phy
31 * ref clock.
32 * @phy: reference to a generic phy.
33 */
34void ufs_qcom_phy_disable_ref_clk(struct phy *phy);
35
36/**
37 * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device
38 * ref clock.
39 * @phy: reference to a generic phy.
40 */
41void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);
42
43/**
44 * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device
45 * ref clock.
46 * @phy: reference to a generic phy.
47 */
48void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);
49
50int ufs_qcom_phy_enable_iface_clk(struct phy *phy);
51void ufs_qcom_phy_disable_iface_clk(struct phy *phy);
52int ufs_qcom_phy_start_serdes(struct phy *phy);
53int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
54int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);
55int ufs_qcom_phy_is_pcs_ready(struct phy *phy);
56void ufs_qcom_phy_save_controller_version(struct phy *phy,
57			u8 major, u16 minor, u16 step);
58
59#endif /* PHY_QCOM_UFS_H_ */
60