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 <ufs/ufshcd.h> 9 10 #define UFS_PWM_MODE 1 11 #define UFS_HS_MODE 2 12 13 struct ufs_host_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_negotiate_pwr_params(const struct ufs_host_params *host_params, 29 const struct ufs_pa_layer_attr *dev_max, 30 struct ufs_pa_layer_attr *agreed_pwr); 31 void ufshcd_init_host_params(struct ufs_host_params *host_params); 32 int ufshcd_pltfrm_init(struct platform_device *pdev, 33 const struct ufs_hba_variant_ops *vops); 34 int ufshcd_populate_vreg(struct device *dev, const char *name, 35 struct ufs_vreg **out_vreg, bool skip_current); 36 37 #endif /* UFSHCD_PLTFRM_H_ */ 38