mISDN: Add different different timer settings for hfc-pci

[linux-2.6-omap-h63xx.git] / drivers / isdn / mISDN / dsp_cmx.c

diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index efe4c7430e6d8ea016436cba348f17e309cb0e21..02f643456b16a31f3ba2c618df9e2c46ff708715 100644 (file)
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -137,6 +137,7 @@
 /* #define CMX_CONF_DEBUG */
 
 /*#define CMX_DEBUG * massive read/write pointer output */
+/*#define CMX_DELAY_DEBUG * gives rx-buffer delay overview */
 /*#define CMX_TX_DEBUG * massive read/write on tx-buffer with content */
 
 static inline int
@@ -1135,6 +1136,25 @@ dsp_cmx_conf(struct dsp *dsp, u32 conf_id)
        return 0;
 }
 
+#ifdef CMX_DELAY_DEBUG
+int delaycount;
+static void
+showdelay(struct dsp *dsp, int samples, int delay)
+{
+       char bar[] = "--------------------------------------------------|";
+       int sdelay;
+
+       delaycount += samples;
+       if (delaycount < 8000)
+               return;
+       delaycount = 0;
+
+       sdelay = delay * 50 / (dsp_poll << 2);
+
+       printk(KERN_DEBUG "DELAY (%s) %3d >%s\n", dsp->name, delay,
+               sdelay > 50 ? "..." : bar + 50 - sdelay);
+}
+#endif
 
 /*
  * audio data is received from card
@@ -1256,6 +1276,9 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb)
 
        /* increase write-pointer */
        dsp->rx_W = ((dsp->rx_W+len) & CMX_BUFF_MASK);
+#ifdef CMX_DELAY_DEBUG
+       showdelay(dsp, len, (dsp->rx_W-dsp->rx_R) & CMX_BUFF_MASK);
+#endif
 }