mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
58b60a9cb2
ufshcd_get_pwr_dev_param defines an interface for power mode management currently used by both ufs-qcom and ufs-hisi. Move the interface to ufs core so every driver can take advantage of it. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Avri Altman <avri.altman@wdc.com> Acked-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* Copyright (c) 2015, The 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 UFSHCD_PLTFRM_H_
|
|
#define UFSHCD_PLTFRM_H_
|
|
|
|
#include "ufshcd.h"
|
|
|
|
#define UFS_PWM_MODE 1
|
|
#define UFS_HS_MODE 2
|
|
|
|
struct ufs_dev_params {
|
|
u32 pwm_rx_gear; /* pwm rx gear to work in */
|
|
u32 pwm_tx_gear; /* pwm tx gear to work in */
|
|
u32 hs_rx_gear; /* hs rx gear to work in */
|
|
u32 hs_tx_gear; /* hs tx gear to work in */
|
|
u32 rx_lanes; /* number of rx lanes */
|
|
u32 tx_lanes; /* number of tx lanes */
|
|
u32 rx_pwr_pwm; /* rx pwm working pwr */
|
|
u32 tx_pwr_pwm; /* tx pwm working pwr */
|
|
u32 rx_pwr_hs; /* rx hs working pwr */
|
|
u32 tx_pwr_hs; /* tx hs working pwr */
|
|
u32 hs_rate; /* rate A/B to work in HS */
|
|
u32 desired_working_mode;
|
|
};
|
|
|
|
int ufshcd_get_pwr_dev_param(struct ufs_dev_params *dev_param,
|
|
struct ufs_pa_layer_attr *dev_max,
|
|
struct ufs_pa_layer_attr *agreed_pwr);
|
|
int ufshcd_pltfrm_init(struct platform_device *pdev,
|
|
const struct ufs_hba_variant_ops *vops);
|
|
void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
int ufshcd_pltfrm_suspend(struct device *dev);
|
|
int ufshcd_pltfrm_resume(struct device *dev);
|
|
int ufshcd_pltfrm_runtime_suspend(struct device *dev);
|
|
int ufshcd_pltfrm_runtime_resume(struct device *dev);
|
|
int ufshcd_pltfrm_runtime_idle(struct device *dev);
|
|
|
|
#else /* !CONFIG_PM */
|
|
|
|
#define ufshcd_pltfrm_suspend NULL
|
|
#define ufshcd_pltfrm_resume NULL
|
|
#define ufshcd_pltfrm_runtime_suspend NULL
|
|
#define ufshcd_pltfrm_runtime_resume NULL
|
|
#define ufshcd_pltfrm_runtime_idle NULL
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
#endif /* UFSHCD_PLTFRM_H_ */
|