1 files changed, 143 insertions, 0 deletions
diff --git a/firmware/drivers/audio/wm8985.c b/firmware/drivers/audio/wm8985.c
new file mode 100644
index 0000000..3117b06
--- /dev/null
+++ b/firmware/drivers/audio/wm8985.c
@@ -0,0 +1,143 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Stubs for WM8985 audio codec, (unwisely?) based on 8975 driver.
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "logf.h"
+#include "system.h"
+#include "string.h"
+#include "audio.h"
+
+#include "wmcodec.h"
+#include "audiohw.h"
+#include "i2s.h"
+
+/* TODO: fix these values, they're copied straight from WM8975 */
+const struct sound_settings_info audiohw_settings[] = {
+    [SOUND_VOLUME]        = {"dB", 0,  1, -74,   6, -25},
+    [SOUND_BASS]          = {"dB", 0,  1,  -6,   9,   0},
+    [SOUND_TREBLE]        = {"dB", 0,  1,  -6,   9,   0},
+    [SOUND_BALANCE]       = {"%",  0,  1,-100, 100,   0},
+    [SOUND_CHANNELS]      = {"",   0,  1,   0,   5,   0},
+    [SOUND_STEREO_WIDTH]  = {"%",  0,  5,   0, 250, 100},
+    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0},
+    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0},
+    [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16},
+};
+
+/* convert tenth of dB volume to master volume register value */
+int tenthdb2master(int db)
+{
+    #warning function not implemented
+  
+    (void)db;
+    return 0;
+}
+
+/* Silently enable / disable audio output */
+void audiohw_enable_output(bool enable)
+{
+    #warning function not implemented
+  
+    (void)enable;
+}
+
+int audiohw_set_master_vol(int vol_l, int vol_r)
+{
+    #warning function not implemented
+
+    (void)vol_l;
+    (void)vol_r;
+    return 0;
+}
+
+int audiohw_set_lineout_vol(int vol_l, int vol_r)
+{
+     #warning function not implemented
+
+    (void)vol_l;
+    (void)vol_r;
+     return 0;
+}
+
+void audiohw_set_bass(int value)
+{
+    #warning function not implemented
+
+    (void)value;
+}
+
+void audiohw_set_treble(int value)
+{
+    #warning function not implemented
+
+    (void)value;
+}
+
+void audiohw_mute(bool mute)
+{
+    #warning function not implemented
+
+    (void)mute;
+}
+
+void audiohw_close(void)
+{
+    #warning function not implemented
+}
+
+void audiohw_set_nsorder(int order)
+{
+    #warning function not implemented
+
+    (void)order;
+}
+
+/* Note: Disable output before calling this function */
+void audiohw_set_sample_rate(int sampling_control)
+{
+    #warning function not implemented
+
+    (void)sampling_control;
+}
+
+void audiohw_enable_recording(bool source_mic)
+{
+    #warning function not implemented
+
+    (void)source_mic;
+}
+ 
+void audiohw_disable_recording(void)
+{
+    #warning function not implemented
+}
+
+void audiohw_set_recvol(int left, int right, int type)
+{
+    #warning function not implemented
+
+    (void)left;
+    (void)right;
+    (void)type;
+}
+
+void audiohw_set_monitor(bool enable)
+{
+    #warning function not implemented
+
+    (void)enable;
+}