diff options
| author | Stanley Chu <stanley.chu@mediatek.com> | 2019-03-16 13:04:41 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-03-19 16:56:20 -0400 |
| commit | 58b60a9cb2521edfa2e1eb2abde56cab83fdebd3 (patch) | |
| tree | 36deff38a4111201a3473c559f278afade6e233a /drivers/scsi/ufs/ufshcd-pltfrm.h | |
| parent | 79d3fa9ea722850363da662ca70684dc5c0e1299 (diff) | |
scsi: ufs: Introduce ufshcd_get_pwr_dev_param
ufshcd_get_pwr_dev_param defines an interface for power mode management
currently used by both ufs-qcom and ufs-hisi. Move the interface to ufs
core so every driver can take advantage of it.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd-pltfrm.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd-pltfrm.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.h b/drivers/scsi/ufs/ufshcd-pltfrm.h index 1f29e1fd6d52..0919ebba182b 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.h +++ b/drivers/scsi/ufs/ufshcd-pltfrm.h @@ -16,6 +16,27 @@ #include "ufshcd.h" +#define UFS_PWM_MODE 1 +#define UFS_HS_MODE 2 + +struct ufs_dev_params { + u32 pwm_rx_gear; /* pwm rx gear to work in */ + u32 pwm_tx_gear; /* pwm tx gear to work in */ + u32 hs_rx_gear; /* hs rx gear to work in */ + u32 hs_tx_gear; /* hs tx gear to work in */ + u32 rx_lanes; /* number of rx lanes */ + u32 tx_lanes; /* number of tx lanes */ + u32 rx_pwr_pwm; /* rx pwm working pwr */ + u32 tx_pwr_pwm; /* tx pwm working pwr */ + u32 rx_pwr_hs; /* rx hs working pwr */ + u32 tx_pwr_hs; /* tx hs working pwr */ + u32 hs_rate; /* rate A/B to work in HS */ + u32 desired_working_mode; +}; + +int ufshcd_get_pwr_dev_param(struct ufs_dev_params *dev_param, + struct ufs_pa_layer_attr *dev_max, + struct ufs_pa_layer_attr *agreed_pwr); int ufshcd_pltfrm_init(struct platform_device *pdev, const struct ufs_hba_variant_ops *vops); void ufshcd_pltfrm_shutdown(struct platform_device *pdev); |