ufs/host/ufshcd-pltfrm.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /* Copyright (c) 2015, The Linux Foundation. All rights reserved.
0003  */
0004
0005 #ifndef UFSHCD_PLTFRM_H_
0006 #define UFSHCD_PLTFRM_H_
0007
0008 #include <ufs/ufshcd.h>
0009
0010 #define UFS_PWM_MODE 1
0011 #define UFS_HS_MODE  2
0012
0013 struct ufs_dev_params {
0014     u32 pwm_rx_gear;        /* pwm rx gear to work in */
0015     u32 pwm_tx_gear;        /* pwm tx gear to work in */
0016     u32 hs_rx_gear;         /* hs rx gear to work in */
0017     u32 hs_tx_gear;         /* hs tx gear to work in */
0018     u32 rx_lanes;           /* number of rx lanes */
0019     u32 tx_lanes;           /* number of tx lanes */
0020     u32 rx_pwr_pwm;         /* rx pwm working pwr */
0021     u32 tx_pwr_pwm;         /* tx pwm working pwr */
0022     u32 rx_pwr_hs;          /* rx hs working pwr */
0023     u32 tx_pwr_hs;          /* tx hs working pwr */
0024     u32 hs_rate;            /* rate A/B to work in HS */
0025     u32 desired_working_mode;
0026 };
0027
0028 int ufshcd_get_pwr_dev_param(const struct ufs_dev_params *dev_param,
0029                  const struct ufs_pa_layer_attr *dev_max,
0030                  struct ufs_pa_layer_attr *agreed_pwr);
0031 void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param);
0032 int ufshcd_pltfrm_init(struct platform_device *pdev,
0033                const struct ufs_hba_variant_ops *vops);
0034 void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
0035 int ufshcd_populate_vreg(struct device *dev, const char *name,
0036              struct ufs_vreg **out_vreg);
0037
0038 #endif /* UFSHCD_PLTFRM_H_ */