mISDN: Echo canceler now gets delay information from hardware

[safe/jmp/linux-2.6] / drivers / isdn / mISDN / dsp.h

diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h
index ded9480..4a1c444 100644 (file)
--- a/drivers/isdn/mISDN/dsp.h
+++ b/drivers/isdn/mISDN/dsp.h
@@ -15,6 +15,7 @@
 #define DEBUG_DSP_TONE         0x0020
 #define DEBUG_DSP_BLOWFISH     0x0040
 #define DEBUG_DSP_DELAY                0x0100
+#define DEBUG_DSP_CLOCK                0x0200
 #define DEBUG_DSP_DTMFCOEFF    0x8000 /* heavy output */
 
 /* options may be:
@@ -111,7 +112,8 @@ struct dsp_conf {
 
 #define DSP_DTMF_NPOINTS 102
 
-#define ECHOCAN_BUFLEN (4*128)
+#define ECHOCAN_BUFF_SIZE 0x400 /* must be 2**n */
+#define ECHOCAN_BUFF_MASK 0x3ff /* -1 */
 
 struct dsp_dtmf {
        int             treshold; /* above this is dtmf (square of) */
@@ -260,5 +262,5 @@ extern int  dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg);
 extern void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data,
                int len);
 extern void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data,
-               int len);
+               int len, unsigned int txlen);