4483151e76
Add userspace ABI for audio userspace application IO outside of regular ALSA PCM and kcontrols. This is intended to be used to format coefficients and data for custom processing components. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@kernel.org>
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*/
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#ifndef __INCLUDE_UAPI_SOUND_SOF_USER_TRACE_H__
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#define __INCLUDE_UAPI_SOUND_SOF_USER_TRACE_H__
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/*
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* Host system time.
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*
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* This property is used by the driver to pass down information about
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* current system time. It is expressed in us.
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* FW translates timestamps (in log entries, probe pockets) to this time
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* domain.
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*
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* (cavs: SystemTime).
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*/
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struct system_time {
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uint32_t val_l; /* Lower dword of current host time value */
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uint32_t val_u; /* Upper dword of current host time value */
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} __packed;
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#define LOG_ENABLE 1 /* Enable logging */
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#define LOG_DISABLE 0 /* Disable logging */
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#define LOG_LEVEL_CRITICAL 1 /* (FDK fatal) */
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#define LOG_LEVEL_VERBOSE 2
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/*
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* Layout of a log fifo.
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*/
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struct log_buffer_layout {
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uint32_t read_ptr; /*read pointer */
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uint32_t write_ptr; /* write pointer */
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uint32_t buffer[0]; /* buffer */
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} __packed;
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/*
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* Log buffer status reported by FW.
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*/
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struct log_buffer_status {
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uint32_t core_id; /* ID of core that logged to other half */
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} __packed;
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#define TRACE_ID_LENGTH 12
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/*
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* Log entry header.
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*
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* The header is followed by an array of arguments (uint32_t[]).
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* Number of arguments is specified by the params_num field of log_entry
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*/
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struct log_entry_header {
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uint32_t id_0 : TRACE_ID_LENGTH; /* e.g. Pipeline ID */
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uint32_t id_1 : TRACE_ID_LENGTH; /* e.g. Component ID */
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uint32_t core_id : 8; /* Reporting core's id */
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uint64_t timestamp; /* Timestamp (in dsp ticks) */
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uint32_t log_entry_address; /* Address of log entry in ELF */
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} __packed;
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#endif
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