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-rw-r--r--include/uapi/linux/serial.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/uapi/linux/serial.h b/include/uapi/linux/serial.h
index 3fdd0dee8b41..93eb3c496ff1 100644
--- a/include/uapi/linux/serial.h
+++ b/include/uapi/linux/serial.h
@@ -132,4 +132,21 @@ struct serial_rs485 {
are a royal PITA .. */
};
+/*
+ * Serial interface for controlling ISO7816 settings on chips with suitable
+ * support. Set with TIOCSISO7816 and get with TIOCGISO7816 if supported by
+ * your platform.
+ */
+struct serial_iso7816 {
+ __u32 flags; /* ISO7816 feature flags */
+#define SER_ISO7816_ENABLED (1 << 0)
+#define SER_ISO7816_T_PARAM (0x0f << 4)
+#define SER_ISO7816_T(t) (((t) & 0x0f) << 4)
+ __u32 tg;
+ __u32 sc_fi;
+ __u32 sc_di;
+ __u32 clk;
+ __u32 reserved[5];
+};
+
#endif /* _UAPI_LINUX_SERIAL_H */