diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/scsi/ufs/ufs-qcom.h | 22 | ||||
| -rw-r--r-- | include/linux/scsi/ufs/ufshcd.h | 4 |
2 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/scsi/ufs/ufs-qcom.h b/include/linux/scsi/ufs/ufs-qcom.h index 62db011f9432..047d38987f85 100644 --- a/include/linux/scsi/ufs/ufs-qcom.h +++ b/include/linux/scsi/ufs/ufs-qcom.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. +/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -75,6 +75,9 @@ enum { UFS_UFS_DBG_RD_EDTL_RAM = 0x1900, }; +/* bit definitions for REG_UFS_CFG1 register */ +#define QUNIPRO_SEL UFS_BIT(0) + /* bit definitions for REG_UFS_CFG2 register */ #define UAWM_HW_CGC_EN (1 << 0) #define UARM_HW_CGC_EN (1 << 1) @@ -180,6 +183,15 @@ struct ufs_qcom_ice_data { }; struct ufs_qcom_host { + /* + * Set this capability if host controller supports the QUniPro mode + * and if driver wants the Host controller to operate in QUniPro mode. + * Note: By default this capability will be kept enabled if host + * controller supports the QUniPro mode. + */ + #define UFS_QCOM_CAP_QUNIPRO UFS_BIT(0) + u32 caps; + struct phy *generic_phy; struct ufs_hba *hba; struct ufs_qcom_bus_vote bus_vote; @@ -203,4 +215,12 @@ struct ufs_qcom_host { #define VDDA_PLL_MIN_UV 1800000 #define VDDA_PLL_MAX_UV 1800000 +static inline bool ufs_qcom_cap_qunipro(struct ufs_qcom_host *host) +{ + if (host->caps & UFS_QCOM_CAP_QUNIPRO) + return true; + else + return false; +} + #endif /* UFS_QCOM_H_ */ diff --git a/include/linux/scsi/ufs/ufshcd.h b/include/linux/scsi/ufs/ufshcd.h index b731b54abc9c..67c75a6a3ed3 100644 --- a/include/linux/scsi/ufs/ufshcd.h +++ b/include/linux/scsi/ufs/ufshcd.h @@ -3,7 +3,7 @@ * * This code is based on drivers/scsi/ufs/ufshcd.h * Copyright (C) 2011-2013 Samsung India Software Operations - * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. * * Authors: * Santosh Yaraganavi <santosh.sy@samsung.com> @@ -71,6 +71,8 @@ #define UFSHCD "ufshcd" #define UFSHCD_DRIVER_VERSION "0.2" +#define UFS_BIT(x) BIT(x) + struct ufs_hba; enum dev_cmd_type { |