Changeset 018ab50 in mainline for uspace/drv/audio/sb16/dsp.c

Timestamp:

2012-08-20T11:28:46Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

fb6c98f

Parents:

20840922

Message:

audio: Move event callback into separate API calls.

File:

• uspace/drv/audio/sb16/dsp.c (modified) (4 diffs)

uspace/drv/audio/sb16/dsp.c

@@ -55 +55 @@
 
 #define DSP_RESET_RESPONSE 0xaa
-#define DSP_RATE_LIMIT 45000
+
+/* These are only for SB16 (DSP4.00+) */
+#define DSP_RATE_UPPER_LIMIT 44100
+#define DSP_RATE_LOWER_LIMIT 5000
 
 #define AUTO_DMA_MODE
@@ -294 +297 @@
                 ret = ELIMIT;
         }
-        if (*rate > DSP_RATE_LIMIT) {
-                *rate = DSP_RATE_LIMIT;
-                ret = ELIMIT;
-        }
         //TODO 8bit DMA supports 8bit formats
         if (*format != PCM_SAMPLE_SINT16_LE && *format != PCM_SAMPLE_UINT16_LE) {
@@ -304 +303 @@
                 ret = ELIMIT;
         }
+        if (*rate > DSP_RATE_UPPER_LIMIT) {
+                *rate = DSP_RATE_UPPER_LIMIT;
+                ret = ELIMIT;
+        }
+        if (*rate < DSP_RATE_LOWER_LIMIT) {
+                *rate = DSP_RATE_LOWER_LIMIT;
+                ret = ELIMIT;
+        }
         return ret;
 }
@@ -333 +340 @@
 {
         assert(dsp);
-        assert(session);
         if (dsp->event_session)
                 return EBUSY;
         dsp->event_session = session;
-        ddf_log_debug("Set event session.");
-        return EOK;
+        ddf_log_debug("Set event session to %p.", session);
+        return EOK;
+}
+
+async_sess_t * sb_dsp_get_event_session(sb_dsp_t *dsp)
+{
+        assert(dsp);
+        ddf_log_debug("Get event session: %p.", dsp->event_session);
+        return dsp->event_session;
 }