39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*/
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#ifndef UFSHCD_PLTFRM_H_
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#define UFSHCD_PLTFRM_H_
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#include <ufs/ufshcd.h>
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#define UFS_PWM_MODE 1
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#define UFS_HS_MODE 2
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struct ufs_host_params {
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u32 pwm_rx_gear; /* pwm rx gear to work in */
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u32 pwm_tx_gear; /* pwm tx gear to work in */
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u32 hs_rx_gear; /* hs rx gear to work in */
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u32 hs_tx_gear; /* hs tx gear to work in */
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u32 rx_lanes; /* number of rx lanes */
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u32 tx_lanes; /* number of tx lanes */
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u32 rx_pwr_pwm; /* rx pwm working pwr */
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u32 tx_pwr_pwm; /* tx pwm working pwr */
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u32 rx_pwr_hs; /* rx hs working pwr */
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u32 tx_pwr_hs; /* tx hs working pwr */
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u32 hs_rate; /* rate A/B to work in HS */
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u32 desired_working_mode;
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};
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int ufshcd_negotiate_pwr_params(const struct ufs_host_params *host_params,
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const struct ufs_pa_layer_attr *dev_max,
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struct ufs_pa_layer_attr *agreed_pwr);
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void ufshcd_init_host_params(struct ufs_host_params *host_params);
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int ufshcd_pltfrm_init(struct platform_device *pdev,
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const struct ufs_hba_variant_ops *vops);
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void ufshcd_pltfrm_remove(struct platform_device *pdev);
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int ufshcd_populate_vreg(struct device *dev, const char *name,
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struct ufs_vreg **out_vreg, bool skip_current);
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#endif /* UFSHCD_PLTFRM_H_ */
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