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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 
13 struct 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 
28 int 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);
31 int ufshcd_pltfrm_init(struct platform_device *pdev,
32 		       const struct ufs_hba_variant_ops *vops);
33 void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
34 
35 #ifdef CONFIG_PM
36 
37 int ufshcd_pltfrm_suspend(struct device *dev);
38 int ufshcd_pltfrm_resume(struct device *dev);
39 int ufshcd_pltfrm_runtime_suspend(struct device *dev);
40 int ufshcd_pltfrm_runtime_resume(struct device *dev);
41 int 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