[deliverable/linux.git] / include / linux / phy / phy-qcom-ufs.h

/*
 * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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.
 *
 */

#ifndef PHY_QCOM_UFS_H_
#define PHY_QCOM_UFS_H_

#include "phy.h"

/**
 * ufs_qcom_phy_enable_ref_clk() - Enable the phy
 * ref clock.
 * @phy: reference to a generic phy
 *
 * returns 0 for success, and non-zero for error.
 */
int ufs_qcom_phy_enable_ref_clk(struct phy *phy);

/**
 * ufs_qcom_phy_disable_ref_clk() - Disable the phy
 * ref clock.
 * @phy: reference to a generic phy.
 */
void ufs_qcom_phy_disable_ref_clk(struct phy *phy);

/**
 * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device
 * ref clock.
 * @phy: reference to a generic phy.
 */
void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);

/**
 * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device
 * ref clock.
 * @phy: reference to a generic phy.
 */
void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);

int ufs_qcom_phy_enable_iface_clk(struct phy *phy);
void ufs_qcom_phy_disable_iface_clk(struct phy *phy);
int ufs_qcom_phy_start_serdes(struct phy *phy);
int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);
int ufs_qcom_phy_is_pcs_ready(struct phy *phy);
void ufs_qcom_phy_save_controller_version(struct phy *phy,
			u8 major, u16 minor, u16 step);

#endif /* PHY_QCOM_UFS_H_ */
Commit	Line	Data
39e794bf YG	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	*/
	27	int 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	*/
	34	void 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	*/
	41	void 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	*/
	48	void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);
	49
	50	int ufs_qcom_phy_enable_iface_clk(struct phy *phy);
	51	void ufs_qcom_phy_disable_iface_clk(struct phy *phy);
	52	int ufs_qcom_phy_start_serdes(struct phy *phy);
	53	int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
	54	int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);
	55	int ufs_qcom_phy_is_pcs_ready(struct phy *phy);
	56	void ufs_qcom_phy_save_controller_version(struct phy *phy,
	57	u8 major, u16 minor, u16 step);
	58
	59	#endif /* PHY_QCOM_UFS_H_ */