1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
3 */
4
5#ifndef UFSHCD_PLTFRM_H_
6#define UFSHCD_PLTFRM_H_
7
8#include "ufshcd.h"
9
10#define UFS_PWM_MODE 1
11#define UFS_HS_MODE  2
12
13struct ufs_dev_params {
14	u32 pwm_rx_gear;        /* pwm rx gear to work in */
15	u32 pwm_tx_gear;        /* pwm tx gear to work in */
16	u32 hs_rx_gear;         /* hs rx gear to work in */
17	u32 hs_tx_gear;         /* hs tx gear to work in */
18	u32 rx_lanes;           /* number of rx lanes */
19	u32 tx_lanes;           /* number of tx lanes */
20	u32 rx_pwr_pwm;         /* rx pwm working pwr */
21	u32 tx_pwr_pwm;         /* tx pwm working pwr */
22	u32 rx_pwr_hs;          /* rx hs working pwr */
23	u32 tx_pwr_hs;          /* tx hs working pwr */
24	u32 hs_rate;            /* rate A/B to work in HS */
25	u32 desired_working_mode;
26};
27
28int ufshcd_get_pwr_dev_param(struct ufs_dev_params *dev_param,
29			     struct ufs_pa_layer_attr *dev_max,
30			     struct ufs_pa_layer_attr *agreed_pwr);
31int ufshcd_pltfrm_init(struct platform_device *pdev,
32		       const struct ufs_hba_variant_ops *vops);
33void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
34
35#ifdef CONFIG_PM
36
37int ufshcd_pltfrm_suspend(struct device *dev);
38int ufshcd_pltfrm_resume(struct device *dev);
39int ufshcd_pltfrm_runtime_suspend(struct device *dev);
40int ufshcd_pltfrm_runtime_resume(struct device *dev);
41int ufshcd_pltfrm_runtime_idle(struct device *dev);
42
43#else /* !CONFIG_PM */
44
45#define ufshcd_pltfrm_suspend	NULL
46#define ufshcd_pltfrm_resume	NULL
47#define ufshcd_pltfrm_runtime_suspend	NULL
48#define ufshcd_pltfrm_runtime_resume	NULL
49#define ufshcd_pltfrm_runtime_idle	NULL
50
51#endif /* CONFIG_PM */
52
53#endif /* UFSHCD_PLTFRM_H_ */
54