root/include/sound/sof/info.h
/* 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
 */

#ifndef __INCLUDE_SOUND_SOF_INFO_H__
#define __INCLUDE_SOUND_SOF_INFO_H__

#include <sound/sof/header.h>
#include <sound/sof/stream.h>

/*
 * Firmware boot and version
 */

#define SOF_IPC_MAX_ELEMS       16

/*
 * Firmware boot info flag bits (64-bit)
 */
#define SOF_IPC_INFO_BUILD              BIT(0)
#define SOF_IPC_INFO_LOCKS              BIT(1)
#define SOF_IPC_INFO_LOCKSV             BIT(2)
#define SOF_IPC_INFO_GDB                BIT(3)
#define SOF_IPC_INFO_D3_PERSISTENT      BIT(4)

/* extended data types that can be appended onto end of sof_ipc_fw_ready */
enum sof_ipc_ext_data {
        SOF_IPC_EXT_UNUSED              = 0,
        SOF_IPC_EXT_WINDOW              = 1,
        SOF_IPC_EXT_CC_INFO             = 2,
        SOF_IPC_EXT_PROBE_INFO          = 3,
        SOF_IPC_EXT_USER_ABI_INFO       = 4,
};

/* Build u32 number in format MMmmmppp */
#define SOF_FW_VER(MAJOR, MINOR, PATCH) ((uint32_t)( \
        ((MAJOR) << 24) | ((MINOR) << 12) | (PATCH)))

/* FW version - SOF_IPC_GLB_VERSION */
struct sof_ipc_fw_version {
        struct sof_ipc_hdr hdr;
        uint16_t major;
        uint16_t minor;
        uint16_t micro;
        uint16_t build;
        uint8_t date[12];
        uint8_t time[10];
        uint8_t tag[6];
        uint32_t abi_version;
        /* used to check FW and ldc file compatibility, reproducible value */
        uint32_t src_hash;

        /* reserved for future use */
        uint32_t reserved[3];
} __packed;

/* FW ready Message - sent by firmware when boot has completed */
struct sof_ipc_fw_ready {
        struct sof_ipc_cmd_hdr hdr;
        uint32_t dspbox_offset;  /* dsp initiated IPC mailbox */
        uint32_t hostbox_offset; /* host initiated IPC mailbox */
        uint32_t dspbox_size;
        uint32_t hostbox_size;
        struct sof_ipc_fw_version version;

        /* Miscellaneous flags */
        uint64_t flags;

        /* reserved for future use */
        uint32_t reserved[4];
} __packed;

/*
 * Extended Firmware data. All optional, depends on platform/arch.
 */
enum sof_ipc_region {
        SOF_IPC_REGION_DOWNBOX  = 0,
        SOF_IPC_REGION_UPBOX,
        SOF_IPC_REGION_TRACE,
        SOF_IPC_REGION_DEBUG,
        SOF_IPC_REGION_STREAM,
        SOF_IPC_REGION_REGS,
        SOF_IPC_REGION_EXCEPTION,
};

struct sof_ipc_ext_data_hdr {
        struct sof_ipc_cmd_hdr hdr;
        uint32_t type;          /**< SOF_IPC_EXT_ */
} __packed;

struct sof_ipc_window_elem {
        struct sof_ipc_hdr hdr;
        uint32_t type;          /**< SOF_IPC_REGION_ */
        uint32_t id;            /**< platform specific - used to map to host memory */
        uint32_t flags;         /**< R, W, RW, etc - to define */
        uint32_t size;          /**< size of region in bytes */
        /* offset in window region as windows can be partitioned */
        uint32_t offset;
} __packed;

/* extended data memory windows for IPC, trace and debug */
struct sof_ipc_window {
        struct sof_ipc_ext_data_hdr ext_hdr;
        uint32_t num_windows;
        struct sof_ipc_window_elem window[SOF_IPC_MAX_ELEMS];
}  __packed;

struct sof_ipc_cc_version {
        struct sof_ipc_ext_data_hdr ext_hdr;
        uint32_t major;
        uint32_t minor;
        uint32_t micro;

        /* reserved for future use */
        uint32_t reserved[4];

        uint8_t name[16]; /* null terminated compiler name */
        uint8_t optim[4]; /* null terminated compiler -O flag value */
        uint8_t desc[32]; /* null terminated compiler description */
} __packed;

/* extended data: Probe setup */
struct sof_ipc_probe_support {
        struct sof_ipc_ext_data_hdr ext_hdr;

        uint32_t probe_points_max;
        uint32_t injection_dmas_max;

        /* reserved for future use */
        uint32_t reserved[2];
} __packed;

/* extended data: user abi version(s) */
struct sof_ipc_user_abi_version {
        struct sof_ipc_ext_data_hdr ext_hdr;

        uint32_t abi_dbg_version;
}  __packed;

#endif