summaryrefslogtreecommitdiff
path: root/drivers/scsi/ufs/ufs.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/ufs/ufs.h')
-rw-r--r--drivers/scsi/ufs/ufs.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 58087d3916d0..dd65fea07687 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -46,7 +46,7 @@
#define QUERY_DESC_HDR_SIZE 2
#define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \
(sizeof(struct utp_upiu_header)))
-#define RESPONSE_UPIU_SENSE_DATA_LENGTH 18
+#define UFS_SENSE_SIZE 18
#define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\
cpu_to_be32((byte3 << 24) | (byte2 << 16) |\
@@ -378,6 +378,20 @@ enum query_opcode {
UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8,
};
+/* bRefClkFreq attribute values */
+enum ufs_ref_clk_freq {
+ REF_CLK_FREQ_19_2_MHZ = 0,
+ REF_CLK_FREQ_26_MHZ = 1,
+ REF_CLK_FREQ_38_4_MHZ = 2,
+ REF_CLK_FREQ_52_MHZ = 3,
+ REF_CLK_FREQ_INVAL = -1,
+};
+
+struct ufs_ref_clk {
+ unsigned long freq_hz;
+ enum ufs_ref_clk_freq val;
+};
+
/* Query response result code */
enum {
QUERY_RESULT_SUCCESS = 0x00,
@@ -444,7 +458,7 @@ struct utp_cmd_rsp {
__be32 residual_transfer_count;
__be32 reserved[4];
__be16 sense_data_len;
- u8 sense_data[RESPONSE_UPIU_SENSE_DATA_LENGTH];
+ u8 sense_data[UFS_SENSE_SIZE];
};
/**