1 files changed, 76 insertions, 0 deletions
diff --git a/bsps/lm32/include/bsp/milkymist_ac97.h b/bsps/lm32/include/bsp/milkymist_ac97.h
new file mode 100644
index 0000000000..37415a1f5e
--- /dev/null
+++ b/bsps/lm32/include/bsp/milkymist_ac97.h
@@ -0,0 +1,76 @@
+/**
+ * @file
+ * @ingroup lm32_milkymist_ac97 lm32_milkymist_shared
+ * @brief Milkymist AC97 driver
+ */
+
+/*  milkymist_ac97.h
+ *
+ *  Milkymist AC97 driver for RTEMS
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ *
+ *  COPYRIGHT (c) 2010 Sebastien Bourdeauducq
+ */
+
+/**
+ * @defgroup lm32_milkymist_ac97 Milkymist AC97
+ * @ingroup lm32_milkymist_shared
+ * @brief Milkymist AC97 driver
+ * @{
+ */
+
+#ifndef __MILKYMIST_AC97_H_
+#define __MILKYMIST_AC97_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Ioctls. 0x41 is 'A' */
+#define SOUND_MIXER_MIC             0x0
+#define SOUND_MIXER_LINE            0x1
+#define SOUND_MIXER_READ(x)         (0x4100+x)
+#define SOUND_MIXER_WRITE(x)        (0x4110+x)
+
+#define SOUND_SND_SUBMIT_PLAY       0x4120
+#define SOUND_SND_COLLECT_PLAY      0x4121
+#define SOUND_SND_SUBMIT_RECORD     0x4122
+#define SOUND_SND_COLLECT_RECORD    0x4123
+
+struct snd_buffer {
+  unsigned int nsamples;
+  void *user;
+  unsigned int samples[];
+};
+
+rtems_device_driver ac97_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver ac97_open(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+rtems_device_driver ac97_control(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+);
+
+#define AC97_DRIVER_TABLE_ENTRY {ac97_initialize, \
+ac97_open, NULL, NULL, NULL, ac97_control}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MILKYMIST_AC97_H_ */