1 files changed, 80 insertions, 0 deletions

diff --git a/include/linux/tegra_audio.h b/include/linux/tegra_audio.h
new file mode 100644
index 00000000000..6416cd01861
--- /dev/null
+++ b/include/linux/tegra_audio.h
@@ -0,0 +1,80 @@
+/* include/linux/tegra_audio.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *     Iliyan Malchev <malchev@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _TEGRA_AUDIO_H
+#define _TEGRA_AUDIO_H
+
+#include <linux/ioctl.h>
+
+#define TEGRA_AUDIO_MAGIC 't'
+
+#define TEGRA_AUDIO_IN_START _IO(TEGRA_AUDIO_MAGIC, 0)
+#define TEGRA_AUDIO_IN_STOP  _IO(TEGRA_AUDIO_MAGIC, 1)
+
+struct tegra_audio_in_config {
+        int rate;
+        int stereo;
+};
+
+struct dam_srate {
+        unsigned int in_sample_rate;
+        unsigned int out_sample_rate;
+        unsigned int audio_bits;
+        unsigned int client_bits;
+        unsigned int audio_channels;
+        unsigned int client_channels;
+        unsigned int apbif_chan;
+};
+
+#define TEGRA_AUDIO_IN_SET_CONFIG       _IOW(TEGRA_AUDIO_MAGIC, 2, \
+                        const struct tegra_audio_in_config *)
+#define TEGRA_AUDIO_IN_GET_CONFIG       _IOR(TEGRA_AUDIO_MAGIC, 3, \
+                        struct tegra_audio_in_config *)
+
+#define TEGRA_AUDIO_IN_SET_NUM_BUFS     _IOW(TEGRA_AUDIO_MAGIC, 4, \
+                        const unsigned int *)
+#define TEGRA_AUDIO_IN_GET_NUM_BUFS     _IOW(TEGRA_AUDIO_MAGIC, 5, \
+                        unsigned int *)
+#define TEGRA_AUDIO_OUT_SET_NUM_BUFS    _IOW(TEGRA_AUDIO_MAGIC, 6, \
+                        const unsigned int *)
+#define TEGRA_AUDIO_OUT_GET_NUM_BUFS    _IOW(TEGRA_AUDIO_MAGIC, 7, \
+                        unsigned int *)
+
+#define TEGRA_AUDIO_OUT_FLUSH           _IO(TEGRA_AUDIO_MAGIC, 10)
+
+#define TEGRA_AUDIO_BIT_FORMAT_DEFAULT 0
+#define TEGRA_AUDIO_BIT_FORMAT_DSP 1
+#define TEGRA_AUDIO_SET_BIT_FORMAT      _IOW(TEGRA_AUDIO_MAGIC, 11, \
+                        const unsigned int *)
+#define TEGRA_AUDIO_GET_BIT_FORMAT      _IOR(TEGRA_AUDIO_MAGIC, 12, \
+                        unsigned int *)
+
+#define DAM_SRC_START   _IOW(TEGRA_AUDIO_MAGIC, 13, struct dam_srate *)
+#define DAM_SRC_STOP    _IO(TEGRA_AUDIO_MAGIC, 14)
+#define DAM_MIXING_START        _IOW(TEGRA_AUDIO_MAGIC, 15, struct dam_srate *)
+#define DAM_MIXING_STOP _IO(TEGRA_AUDIO_MAGIC, 16)
+#define DAM_SET_MIXING_FLAG     _IO(TEGRA_AUDIO_MAGIC, 17)
+
+#define I2S_START       _IOW(TEGRA_AUDIO_MAGIC, 15, struct i2s_pcm_format *)
+#define I2S_STOP        _IOW(TEGRA_AUDIO_MAGIC, 16, struct i2s_pcm_format *)
+#define I2S_LOOPBACK    _IOW(TEGRA_AUDIO_MAGIC, 17, unsigned int *)
+#define I2S_MODE_I2S    _IOW(TEGRA_AUDIO_MAGIC, 18, unsigned int *)
+
+extern bool tegra_is_voice_call_active();
+
+#endif/*_CPCAP_AUDIO_H*/