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
13struct 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
28int 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);
31void ufshcd_init_host_params(struct ufs_host_params *host_params);
32int ufshcd_pltfrm_init(struct platform_device *pdev,
33		       const struct ufs_hba_variant_ops *vops);
34int 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