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 void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param); 32 int ufshcd_pltfrm_init(struct platform_device *pdev, 33 const struct ufs_hba_variant_ops *vops); 34 void ufshcd_pltfrm_shutdown(struct platform_device *pdev); 35 36 #ifdef CONFIG_PM 37 38 int ufshcd_pltfrm_suspend(struct device *dev); 39 int ufshcd_pltfrm_resume(struct device *dev); 40 int ufshcd_pltfrm_runtime_suspend(struct device *dev); 41 int ufshcd_pltfrm_runtime_resume(struct device *dev); 42 int ufshcd_pltfrm_runtime_idle(struct device *dev); 43 44 #else /* !CONFIG_PM */ 45 46 #define ufshcd_pltfrm_suspend NULL 47 #define ufshcd_pltfrm_resume NULL 48 #define ufshcd_pltfrm_runtime_suspend NULL 49 #define ufshcd_pltfrm_runtime_resume NULL 50 #define ufshcd_pltfrm_runtime_idle NULL 51 52 #endif /* CONFIG_PM */ 53 54 #endif /* UFSHCD_PLTFRM_H_ */ 55