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/* SPDX-License-Identifier: (GPL-2.0-only 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_HEADER_H__
#define __INCLUDE_SOUND_SOF_HEADER_H__
#include <linux/types.h>
#include <uapi/sound/sof/abi.h>
/** \addtogroup sof_uapi uAPI
* SOF uAPI specification.
* @{
*/
/*
* IPC messages have a prefixed 32 bit identifier made up as follows :-
*
* 0xGCCCNNNN where
* G is global cmd type (4 bits)
* C is command type (12 bits)
* I is the ID number (16 bits) - monotonic and overflows
*
* This is sent at the start of the IPM message in the mailbox. Messages should
* not be sent in the doorbell (special exceptions for firmware .
*/
/* Global Message - Generic */
#define SOF_GLB_TYPE_SHIFT 28
#define SOF_GLB_TYPE_MASK (0xf << SOF_GLB_TYPE_SHIFT)
#define SOF_GLB_TYPE(x) ((x) << SOF_GLB_TYPE_SHIFT)
/* Command Message - Generic */
#define SOF_CMD_TYPE_SHIFT 16
#define SOF_CMD_TYPE_MASK (0xfff << SOF_CMD_TYPE_SHIFT)
#define SOF_CMD_TYPE(x) ((x) << SOF_CMD_TYPE_SHIFT)
/* Global Message Types */
#define SOF_IPC_GLB_REPLY SOF_GLB_TYPE(0x1U)
#define SOF_IPC_GLB_COMPOUND SOF_GLB_TYPE(0x2U)
#define SOF_IPC_GLB_TPLG_MSG SOF_GLB_TYPE(0x3U)
#define SOF_IPC_GLB_PM_MSG SOF_GLB_TYPE(0x4U)
#define SOF_IPC_GLB_COMP_MSG SOF_GLB_TYPE(0x5U)
#define SOF_IPC_GLB_STREAM_MSG SOF_GLB_TYPE(0x6U)
#define SOF_IPC_FW_READY SOF_GLB_TYPE(0x7U)
#define SOF_IPC_GLB_DAI_MSG SOF_GLB_TYPE(0x8U)
#define SOF_IPC_GLB_TRACE_MSG SOF_GLB_TYPE(0x9U)
#define SOF_IPC_GLB_GDB_DEBUG SOF_GLB_TYPE(0xAU)
#define SOF_IPC_GLB_TEST_MSG SOF_GLB_TYPE(0xBU)
#define SOF_IPC_GLB_PROBE SOF_GLB_TYPE(0xCU)
/*
* DSP Command Message Types
*/
/* topology */
#define SOF_IPC_TPLG_COMP_NEW SOF_CMD_TYPE(0x001)
#define SOF_IPC_TPLG_COMP_FREE SOF_CMD_TYPE(0x002)
#define SOF_IPC_TPLG_COMP_CONNECT SOF_CMD_TYPE(0x003)
#define SOF_IPC_TPLG_PIPE_NEW SOF_CMD_TYPE(0x010)
#define SOF_IPC_TPLG_PIPE_FREE SOF_CMD_TYPE(0x011)
#define SOF_IPC_TPLG_PIPE_CONNECT SOF_CMD_TYPE(0x012)
#define SOF_IPC_TPLG_PIPE_COMPLETE SOF_CMD_TYPE(0x013)
#define SOF_IPC_TPLG_BUFFER_NEW SOF_CMD_TYPE(0x020)
#define SOF_IPC_TPLG_BUFFER_FREE SOF_CMD_TYPE(0x021)
/* PM */
#define SOF_IPC_PM_CTX_SAVE SOF_CMD_TYPE(0x001)
#define SOF_IPC_PM_CTX_RESTORE SOF_CMD_TYPE(0x002)
#define SOF_IPC_PM_CTX_SIZE SOF_CMD_TYPE(0x003)
#define SOF_IPC_PM_CLK_SET SOF_CMD_TYPE(0x004)
#define SOF_IPC_PM_CLK_GET SOF_CMD_TYPE(0x005)
#define SOF_IPC_PM_CLK_REQ SOF_CMD_TYPE(0x006)
#define SOF_IPC_PM_CORE_ENABLE SOF_CMD_TYPE(0x007)
#define SOF_IPC_PM_GATE SOF_CMD_TYPE(0x008)
/* component runtime config - multiple different types */
#define SOF_IPC_COMP_SET_VALUE SOF_CMD_TYPE(0x001)
#define SOF_IPC_COMP_GET_VALUE SOF_CMD_TYPE(0x002)
#define SOF_IPC_COMP_SET_DATA SOF_CMD_TYPE(0x003)
#define SOF_IPC_COMP_GET_DATA SOF_CMD_TYPE(0x004)
#define SOF_IPC_COMP_NOTIFICATION SOF_CMD_TYPE(0x005)
/* DAI messages */
#define SOF_IPC_DAI_CONFIG SOF_CMD_TYPE(0x001)
#define SOF_IPC_DAI_LOOPBACK SOF_CMD_TYPE(0x002)
/* stream */
#define SOF_IPC_STREAM_PCM_PARAMS SOF_CMD_TYPE(0x001)
#define SOF_IPC_STREAM_PCM_PARAMS_REPLY SOF_CMD_TYPE(0x002)
#define SOF_IPC_STREAM_PCM_FREE SOF_CMD_TYPE(0x003)
#define SOF_IPC_STREAM_TRIG_START SOF_CMD_TYPE(0x004)
#define SOF_IPC_STREAM_TRIG_STOP SOF_CMD_TYPE(0x005)
#define SOF_IPC_STREAM_TRIG_PAUSE SOF_CMD_TYPE(0x006)
#define SOF_IPC_STREAM_TRIG_RELEASE SOF_CMD_TYPE(0x007)
#define SOF_IPC_STREAM_TRIG_DRAIN SOF_CMD_TYPE(0x008)
#define SOF_IPC_STREAM_TRIG_XRUN SOF_CMD_TYPE(0x009)
#define SOF_IPC_STREAM_POSITION SOF_CMD_TYPE(0x00a)
#define SOF_IPC_STREAM_VORBIS_PARAMS SOF_CMD_TYPE(0x010)
#define SOF_IPC_STREAM_VORBIS_FREE SOF_CMD_TYPE(0x011)
/* probe */
#define SOF_IPC_PROBE_INIT SOF_CMD_TYPE(0x001)
#define SOF_IPC_PROBE_DEINIT SOF_CMD_TYPE(0x002)
#define SOF_IPC_PROBE_DMA_ADD SOF_CMD_TYPE(0x003)
#define SOF_IPC_PROBE_DMA_INFO SOF_CMD_TYPE(0x004)
#define SOF_IPC_PROBE_DMA_REMOVE SOF_CMD_TYPE(0x005)
#define SOF_IPC_PROBE_POINT_ADD SOF_CMD_TYPE(0x006)
#define SOF_IPC_PROBE_POINT_INFO SOF_CMD_TYPE(0x007)
#define SOF_IPC_PROBE_POINT_REMOVE SOF_CMD_TYPE(0x008)
/* trace */
#define SOF_IPC_TRACE_DMA_PARAMS SOF_CMD_TYPE(0x001)
#define SOF_IPC_TRACE_DMA_POSITION SOF_CMD_TYPE(0x002)
#define SOF_IPC_TRACE_DMA_PARAMS_EXT SOF_CMD_TYPE(0x003)
/* debug */
#define SOF_IPC_TEST_IPC_FLOOD SOF_CMD_TYPE(0x001)
/* Get message component id */
#define SOF_IPC_MESSAGE_ID(x) ((x) & 0xffff)
/* maximum message size for mailbox Tx/Rx */
#define SOF_IPC_MSG_MAX_SIZE 384
/*
* Structure Header - Header for all IPC structures except command structs.
* The size can be greater than the structure size and that means there is
* extended bespoke data beyond the end of the structure including variable
* arrays.
*/
struct sof_ipc_hdr {
uint32_t size; /**< size of structure */
} __packed;
/*
* Command Header - Header for all IPC commands. Identifies IPC message.
* The size can be greater than the structure size and that means there is
* extended bespoke data beyond the end of the structure including variable
* arrays.
*/
struct sof_ipc_cmd_hdr {
uint32_t size; /**< size of structure */
uint32_t cmd; /**< SOF_IPC_GLB_ + cmd */
} __packed;
/*
* Generic reply message. Some commands override this with their own reply
* types that must include this at start.
*/
struct sof_ipc_reply {
struct sof_ipc_cmd_hdr hdr;
int32_t error; /**< negative error numbers */
} __packed;
/*
* Compound commands - SOF_IPC_GLB_COMPOUND.
*
* Compound commands are sent to the DSP as a single IPC operation. The
* commands are split into blocks and each block has a header. This header
* identifies the command type and the number of commands before the next
* header.
*/
struct sof_ipc_compound_hdr {
struct sof_ipc_cmd_hdr hdr;
uint32_t count; /**< count of 0 means end of compound sequence */
} __packed;
/**
* OOPS header architecture specific data.
*/
struct sof_ipc_dsp_oops_arch_hdr {
uint32_t arch; /* Identifier of architecture */
uint32_t totalsize; /* Total size of oops message */
} __packed;
/**
* OOPS header platform specific data.
*/
struct sof_ipc_dsp_oops_plat_hdr {
uint32_t configidhi; /* ConfigID hi 32bits */
uint32_t configidlo; /* ConfigID lo 32bits */
uint32_t numaregs; /* Special regs num */
uint32_t stackoffset; /* Offset to stack pointer from beginning of
* oops message
*/
uint32_t stackptr; /* Stack ptr */
} __packed;
/** @}*/
#endif
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