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| author | Peter Wang <peter.wang@mediatek.com> | 2021-10-06 08:47:05 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-10-12 20:41:01 +0300 |
| commit | 9561f58442e48c3c71da250aa63bd02ec6bffcb5 (patch) | |
| tree | d642e16c9f26b6f8cb8df7c1c7bbcbb6f49ad073 /drivers/scsi/ufs/ufs-mediatek.h | |
| parent | f4875d509a0a78ad294a1a538d534b5ba94e685a (diff) | |
| download | linux-9561f58442e48c3c71da250aa63bd02ec6bffcb5.tar.xz | |
scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8
Mediatek UFS needs auto-hibern8 disabled before suspend. Introduce a
solution to do pre-suspend before SSU (sleep).
Link: https://lore.kernel.org/r/20211006054705.21885-1-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufs-mediatek.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h index 524c8e2c1e6f..c96b9b529ee2 100644 --- a/drivers/scsi/ufs/ufs-mediatek.h +++ b/drivers/scsi/ufs/ufs-mediatek.h @@ -55,6 +55,26 @@ enum { }; /* + * Vendor specific host controller state + */ +enum { + VS_HCE_RESET = 0, + VS_HCE_BASE = 1, + VS_HCE_OOCPR_WAIT = 2, + VS_HCE_DME_RESET = 3, + VS_HCE_MIDDLE = 4, + VS_HCE_DME_ENABLE = 5, + VS_HCE_DEFAULTS = 6, + VS_HIB_IDLEEN = 7, + VS_HIB_ENTER = 8, + VS_HIB_ENTER_CONF = 9, + VS_HIB_MIDDLE = 10, + VS_HIB_WAITTIMER = 11, + VS_HIB_EXIT_CONF = 12, + VS_HIB_EXIT = 13, +}; + +/* * SiP commands */ #define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276) |