[layer23] DTMF support

[osmocom-bb.git] / src / host / layer23 / include / osmocom / bb / mobile / mncc.h

diff --git a/src/host/layer23/include/osmocom/bb/mobile/mncc.h b/src/host/layer23/include/osmocom/bb/mobile/mncc.h
index 37e1aff..1f8e909 100644 (file)
--- a/src/host/layer23/include/osmocom/bb/mobile/mncc.h
+++ b/src/host/layer23/include/osmocom/bb/mobile/mncc.h
@@ -30,17 +30,28 @@
 #include <osmocore/mncc.h>
 
 struct gsm_call {
-       struct llist_head entry;
+       struct llist_head       entry;
 
-       void *ms;
+       struct osmocom_ms       *ms;
 
-       uint32_t callref;
+       uint32_t                callref;
 
-       uint8_t init; /* call has been initiated, no response yet */
-       uint8_t hold; /* call on hold */
-       uint8_t ring; /* call is ringing/knocking */
+       uint8_t                 init; /* call initiated, no response yet */
+       uint8_t                 hold; /* call on hold */
+       uint8_t                 ring; /* call ringing/knocking */
+
+       struct timer_list       dtmf_timer;
+       uint8_t                 dtmf_state;
+       uint8_t                 dtmf_index;
+       char                    dtmf[32]; /* dtmf sequence */
 };
 
+#define DTMF_ST_IDLE           0       /* no DTMF active */
+#define DTMF_ST_START          1       /* DTMF started, waiting for resp. */
+#define DTMF_ST_MARK           2       /* wait tone duration */
+#define DTMF_ST_STOP           3       /* DTMF stopped, waiting for resp. */
+#define DTMF_ST_SPACE          4       /* wait space between tones */
+
 #define MNCC_SETUP_REQ         0x0101
 #define MNCC_SETUP_IND         0x0102
 #define MNCC_SETUP_RSP         0x0103