Gigabeat S: Implement an SDMA API and use it in the PCM driver. Some other miscellaneous adjustments to recording and PCM buffer to accomodate use of physical addresses and cache coherency.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19949 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/firmware/export/pcm.h b/firmware/export/pcm.h
index 053f954767..444e0c9c09 100644
--- a/firmware/export/pcm.h
+++ b/firmware/export/pcm.h
@@ -90,6 +90,10 @@ extern unsigned long pcm_curr_sampr;
 extern unsigned long pcm_sampr;
 extern int pcm_fsel;
 
+#ifdef HAVE_PCM_DMA_ADDRESS
+void * pcm_dma_addr(void *addr);
+#endif
+
 /* the registered callback function to ask for more mp3 data */
 extern volatile pcm_more_callback_type pcm_callback_for_more;
 extern volatile bool                   pcm_playing;