/* Command opcodes */
#define CMD_RESET 0x00
#define CMD_RUN 0x01
+#define CMD_TESTMODE 0x03
#define CMD_ID 0x02
#define CMD_METADATA 0x04
#define CMD_SET_FLAGS 0x82
#define FLAG_CLOCK_EXTERNAL 0x40
#define FLAG_CLOCK_INVERTED 0x80
#define FLAG_RLE 0x0100
+#define FLAG_EXTERNAL_TEST_MODE 0x0400
+#define FLAG_INTERNAL_TEST_MODE 0x0800
/* Private, per-device-instance driver context. */
struct dev_context {