path: root/sound/soc/intel/baytrail/sst-baytrail-ipc.h
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Diffstat (limited to 'sound/soc/intel/baytrail/sst-baytrail-ipc.h')
1 files changed, 73 insertions, 0 deletions
diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.h b/sound/soc/intel/baytrail/sst-baytrail-ipc.h
new file mode 100644
index 000000000000..8faff6dcf25d
--- /dev/null
+++ b/sound/soc/intel/baytrail/sst-baytrail-ipc.h
@@ -0,0 +1,73 @@
+ * Intel Baytrail SST IPC Support
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 __SST_BYT_IPC_H
+#define __SST_BYT_IPC_H
+#include <linux/types.h>
+struct sst_byt;
+struct sst_byt_stream;
+struct sst_pdata;
+extern struct sst_ops sst_byt_ops;
+#define SST_BYT_MAILBOX_OFFSET 0x144000
+ * Upfront defined maximum message size that is
+ * expected by the in/out communication pipes in FW.
+ */
+/* stream API */
+struct sst_byt_stream *sst_byt_stream_new(struct sst_byt *byt, int id,
+ uint32_t (*get_write_position)(struct sst_byt_stream *stream,
+ void *data),
+ void *data);
+/* stream configuration */
+int sst_byt_stream_set_bits(struct sst_byt *byt, struct sst_byt_stream *stream,
+ int bits);
+int sst_byt_stream_set_channels(struct sst_byt *byt,
+ struct sst_byt_stream *stream, u8 channels);
+int sst_byt_stream_set_rate(struct sst_byt *byt, struct sst_byt_stream *stream,
+ unsigned int rate);
+int sst_byt_stream_type(struct sst_byt *byt, struct sst_byt_stream *stream,
+ int codec_type, int stream_type, int operation);
+int sst_byt_stream_buffer(struct sst_byt *byt, struct sst_byt_stream *stream,
+ uint32_t buffer_addr, uint32_t buffer_size);
+int sst_byt_stream_commit(struct sst_byt *byt, struct sst_byt_stream *stream);
+int sst_byt_stream_free(struct sst_byt *byt, struct sst_byt_stream *stream);
+/* stream ALSA trigger operations */
+int sst_byt_stream_start(struct sst_byt *byt, struct sst_byt_stream *stream,
+ u32 start_offset);
+int sst_byt_stream_stop(struct sst_byt *byt, struct sst_byt_stream *stream);
+int sst_byt_stream_pause(struct sst_byt *byt, struct sst_byt_stream *stream);
+int sst_byt_stream_resume(struct sst_byt *byt, struct sst_byt_stream *stream);
+int sst_byt_get_dsp_position(struct sst_byt *byt,
+ struct sst_byt_stream *stream, int buffer_size);
+/* init */
+int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata);
+void sst_byt_dsp_free(struct device *dev, struct sst_pdata *pdata);
+struct sst_dsp *sst_byt_get_dsp(struct sst_byt *byt);
+int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata);
+int sst_byt_dsp_boot(struct device *dev, struct sst_pdata *pdata);
+int sst_byt_dsp_wait_for_ready(struct device *dev, struct sst_pdata *pdata);