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-rw-r--r--include/linux/mmc/sd.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index 3fd85e088cc3..7d35d52c3df3 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -17,6 +17,7 @@
/* This is basically the same command as for MMC with some quirks. */
#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
+#define SD_SWITCH_VOLTAGE 11 /* ac R1 */
/* class 10 */
#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
@@ -32,6 +33,12 @@
#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
#define SD_APP_SEND_SCR 51 /* adtc R1 */
+/* OCR bit definitions */
+#define SD_OCR_S18R (1 << 24) /* 1.8V switching request */
+#define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
+#define SD_OCR_XPC (1 << 28) /* SDXC power control */
+#define SD_OCR_CCS (1 << 30) /* Card Capacity Status */
+
/*
* SD_SWITCH argument format:
*
@@ -59,7 +66,7 @@
#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
-#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */
+#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
/*
* SD bus widths
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