Changeset 763444e in mainline for uspace/drv/audio/sb16/dsp.h

Timestamp:

2011-09-25T19:41:22Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

57542304

Parents:

0687e1b

Message:

sb16: Implement direct mode digital sound I/O.

File:

• uspace/drv/audio/sb16/dsp.h (modified) (3 diffs)

uspace/drv/audio/sb16/dsp.h

@@ -26 +26 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 /** @addtogroup drvaudiosb16
  * @{
  */
 /** @file
- * @brief SB16 main structure combining all functionality
+ * @brief Sound Blaster Digital Sound Processor (DSP) helper functions.
  */
 #ifndef DRV_AUDIO_SB16_DSP_H
@@ -37 +36 @@
 
 #include <libarch/ddi.h>
+#include <errno.h>
 
 #include "registers.h"
+#include "dsp_commands.h"
 
 #ifndef DSP_PIO_DELAY
@@ -90 +91 @@
         pio_write_8(&regs->dsp_reset, 0);
 }
+/*----------------------------------------------------------------------------*/
+int dsp_play_direct(sb16_regs_t *regs, const uint8_t *data, size_t size,
+    unsigned sample_rate, unsigned channels, unsigned bit_depth);
 #endif
 /**