xref: /openbmc/linux/drivers/ufs/host/ufshcd-pltfrm.h (revision 0818a690)
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_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(const struct ufs_dev_params *dev_param,
29 			     const 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 int ufshcd_populate_vreg(struct device *dev, const char *name,
35 			 struct ufs_vreg **out_vreg);
36 
37 #endif /* UFSHCD_PLTFRM_H_ */
38