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Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.h')
-rw-r--r--drivers/scsi/ufs/ufs-qcom.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.h b/drivers/scsi/ufs/ufs-qcom.h
index 9a6febd007df..db2c0a00e846 100644
--- a/drivers/scsi/ufs/ufs-qcom.h
+++ b/drivers/scsi/ufs/ufs-qcom.h
@@ -151,7 +151,23 @@ struct ufs_qcom_bus_vote {
struct device_attribute max_bus_bw;
};
+/* Host controller hardware version: major.minor.step */
+struct ufs_hw_version {
+ u16 step;
+ u16 minor;
+ u8 major;
+};
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;
@@ -161,10 +177,20 @@ struct ufs_qcom_host {
struct clk *rx_l1_sync_clk;
struct clk *tx_l1_sync_clk;
bool is_lane_clks_enabled;
+
+ struct ufs_hw_version hw_ver;
};
#define ufs_qcom_is_link_off(hba) ufshcd_is_link_off(hba)
#define ufs_qcom_is_link_active(hba) ufshcd_is_link_active(hba)
#define ufs_qcom_is_link_hibern8(hba) ufshcd_is_link_hibern8(hba)
+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_ */