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-rw-r--r--include/sound/sof/stream.h148
1 files changed, 148 insertions, 0 deletions
diff --git a/include/sound/sof/stream.h b/include/sound/sof/stream.h
new file mode 100644
index 000000000000..643f175cb479
--- /dev/null
+++ b/include/sound/sof/stream.h
@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * Copyright(c) 2018 Intel Corporation. All rights reserved.
+ */
+
+#ifndef __INCLUDE_SOUND_SOF_STREAM_H__
+#define __INCLUDE_SOUND_SOF_STREAM_H__
+
+#include <sound/sof/header.h>
+
+/*
+ * Stream configuration.
+ */
+
+#define SOF_IPC_MAX_CHANNELS 8
+
+/* common sample rates for use in masks */
+#define SOF_RATE_8000 (1 << 0) /**< 8000Hz */
+#define SOF_RATE_11025 (1 << 1) /**< 11025Hz */
+#define SOF_RATE_12000 (1 << 2) /**< 12000Hz */
+#define SOF_RATE_16000 (1 << 3) /**< 16000Hz */
+#define SOF_RATE_22050 (1 << 4) /**< 22050Hz */
+#define SOF_RATE_24000 (1 << 5) /**< 24000Hz */
+#define SOF_RATE_32000 (1 << 6) /**< 32000Hz */
+#define SOF_RATE_44100 (1 << 7) /**< 44100Hz */
+#define SOF_RATE_48000 (1 << 8) /**< 48000Hz */
+#define SOF_RATE_64000 (1 << 9) /**< 64000Hz */
+#define SOF_RATE_88200 (1 << 10) /**< 88200Hz */
+#define SOF_RATE_96000 (1 << 11) /**< 96000Hz */
+#define SOF_RATE_176400 (1 << 12) /**< 176400Hz */
+#define SOF_RATE_192000 (1 << 13) /**< 192000Hz */
+
+/* continuous and non-standard rates for flexibility */
+#define SOF_RATE_CONTINUOUS (1 << 30) /**< range */
+#define SOF_RATE_KNOT (1 << 31) /**< non-continuous */
+
+/* generic PCM flags for runtime settings */
+#define SOF_PCM_FLAG_XRUN_STOP (1 << 0) /**< Stop on any XRUN */
+
+/* stream PCM frame format */
+enum sof_ipc_frame {
+ SOF_IPC_FRAME_S16_LE = 0,
+ SOF_IPC_FRAME_S24_4LE,
+ SOF_IPC_FRAME_S32_LE,
+ SOF_IPC_FRAME_FLOAT,
+ /* other formats here */
+};
+
+/* stream buffer format */
+enum sof_ipc_buffer_format {
+ SOF_IPC_BUFFER_INTERLEAVED,
+ SOF_IPC_BUFFER_NONINTERLEAVED,
+ /* other formats here */
+};
+
+/* stream direction */
+enum sof_ipc_stream_direction {
+ SOF_IPC_STREAM_PLAYBACK = 0,
+ SOF_IPC_STREAM_CAPTURE,
+};
+
+/* stream ring info */
+struct sof_ipc_host_buffer {
+ struct sof_ipc_hdr hdr;
+ uint32_t phy_addr;
+ uint32_t pages;
+ uint32_t size;
+ uint32_t reserved[3];
+} __packed;
+
+struct sof_ipc_stream_params {
+ struct sof_ipc_hdr hdr;
+ struct sof_ipc_host_buffer buffer;
+ uint32_t direction; /**< enum sof_ipc_stream_direction */
+ uint32_t frame_fmt; /**< enum sof_ipc_frame */
+ uint32_t buffer_fmt; /**< enum sof_ipc_buffer_format */
+ uint32_t rate;
+ uint16_t stream_tag;
+ uint16_t channels;
+ uint16_t sample_valid_bytes;
+ uint16_t sample_container_bytes;
+
+ /* for notifying host period has completed - 0 means no period IRQ */
+ uint32_t host_period_bytes;
+
+ uint32_t reserved[2];
+ uint16_t chmap[SOF_IPC_MAX_CHANNELS]; /**< channel map - SOF_CHMAP_ */
+} __packed;
+
+/* PCM params info - SOF_IPC_STREAM_PCM_PARAMS */
+struct sof_ipc_pcm_params {
+ struct sof_ipc_cmd_hdr hdr;
+ uint32_t comp_id;
+ uint32_t flags; /**< generic PCM flags - SOF_PCM_FLAG_ */
+ uint32_t reserved[2];
+ struct sof_ipc_stream_params params;
+} __packed;
+
+/* PCM params info reply - SOF_IPC_STREAM_PCM_PARAMS_REPLY */
+struct sof_ipc_pcm_params_reply {
+ struct sof_ipc_reply rhdr;
+ uint32_t comp_id;
+ uint32_t posn_offset;
+} __packed;
+
+/* free stream - SOF_IPC_STREAM_PCM_PARAMS */
+struct sof_ipc_stream {
+ struct sof_ipc_cmd_hdr hdr;
+ uint32_t comp_id;
+} __packed;
+
+/* flags indicating which time stamps are in sync with each other */
+#define SOF_TIME_HOST_SYNC (1 << 0)
+#define SOF_TIME_DAI_SYNC (1 << 1)
+#define SOF_TIME_WALL_SYNC (1 << 2)
+#define SOF_TIME_STAMP_SYNC (1 << 3)
+
+/* flags indicating which time stamps are valid */
+#define SOF_TIME_HOST_VALID (1 << 8)
+#define SOF_TIME_DAI_VALID (1 << 9)
+#define SOF_TIME_WALL_VALID (1 << 10)
+#define SOF_TIME_STAMP_VALID (1 << 11)
+
+/* flags indicating time stamps are 64bit else 3use low 32bit */
+#define SOF_TIME_HOST_64 (1 << 16)
+#define SOF_TIME_DAI_64 (1 << 17)
+#define SOF_TIME_WALL_64 (1 << 18)
+#define SOF_TIME_STAMP_64 (1 << 19)
+
+struct sof_ipc_stream_posn {
+ struct sof_ipc_reply rhdr;
+ uint32_t comp_id; /**< host component ID */
+ uint32_t flags; /**< SOF_TIME_ */
+ uint32_t wallclock_hz; /**< frequency of wallclock in Hz */
+ uint32_t timestamp_ns; /**< resolution of timestamp in ns */
+ uint64_t host_posn; /**< host DMA position in bytes */
+ uint64_t dai_posn; /**< DAI DMA position in bytes */
+ uint64_t comp_posn; /**< comp position in bytes */
+ uint64_t wallclock; /**< audio wall clock */
+ uint64_t timestamp; /**< system time stamp */
+ uint32_t xrun_comp_id; /**< comp ID of XRUN component */
+ int32_t xrun_size; /**< XRUN size in bytes */
+} __packed;
+
+#endif