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65858014ee
Nowadays many vendors initialize their device parameters in their own vendor drivers. The initialization code is almost the same as well as the pre-defined definitions. Introduce a common device parameter initialization function which assign the most common initial values. With this function, we could remove those duplicated codes in vendor drivers. Link: https://lore.kernel.org/r/20201116065054.7658-3-stanley.chu@mediatek.com Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* 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 "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_dev_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_get_pwr_dev_param(struct ufs_dev_params *dev_param,
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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_pwr_dev_param(struct ufs_dev_params *dev_param);
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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_shutdown(struct platform_device *pdev);
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#ifdef CONFIG_PM
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int ufshcd_pltfrm_suspend(struct device *dev);
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int ufshcd_pltfrm_resume(struct device *dev);
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int ufshcd_pltfrm_runtime_suspend(struct device *dev);
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int ufshcd_pltfrm_runtime_resume(struct device *dev);
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int ufshcd_pltfrm_runtime_idle(struct device *dev);
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#else /* !CONFIG_PM */
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#define ufshcd_pltfrm_suspend NULL
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#define ufshcd_pltfrm_resume NULL
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#define ufshcd_pltfrm_runtime_suspend NULL
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#define ufshcd_pltfrm_runtime_resume NULL
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#define ufshcd_pltfrm_runtime_idle NULL
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#endif /* CONFIG_PM */
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#endif /* UFSHCD_PLTFRM_H_ */
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