/* SPDX-License-Identifier: GPL-2.0-only * * Copyright (C) 2020-21 Intel Corporation */ #ifndef IOSM_IPC_CHNL_CFG_H #define IOSM_IPC_CHNL_CFG_H #include "iosm_ipc_mux.h" /* Number of TDs on the trace channel */ #define IPC_MEM_TDS_TRC 32 /* Trace channel TD buffer size. */ #define IPC_MEM_MAX_DL_TRC_BUF_SIZE 8192 /* Channel ID */ enum ipc_channel_id { IPC_MEM_IP_CHL_ID_0 = 0, IPC_MEM_CTRL_CHL_ID_1, IPC_MEM_CTRL_CHL_ID_2, IPC_MEM_CTRL_CHL_ID_3, IPC_MEM_CTRL_CHL_ID_4, IPC_MEM_CTRL_CHL_ID_5, IPC_MEM_CTRL_CHL_ID_6, IPC_MEM_CTRL_CHL_ID_7, }; /** * struct ipc_chnl_cfg - IPC channel configuration structure * @id: Interface ID * @ul_pipe: Uplink datastream * @dl_pipe: Downlink datastream * @ul_nr_of_entries: Number of Transfer descriptor uplink pipe * @dl_nr_of_entries: Number of Transfer descriptor downlink pipe * @dl_buf_size: Downlink buffer size * @wwan_port_type: Wwan subsystem port type * @accumulation_backoff: Time in usec for data accumalation */ struct ipc_chnl_cfg { u32 id; u32 ul_pipe; u32 dl_pipe; u32 ul_nr_of_entries; u32 dl_nr_of_entries; u32 dl_buf_size; u32 wwan_port_type; u32 accumulation_backoff; }; /** * ipc_chnl_cfg_get - Get pipe configuration. * @chnl_cfg: Array of ipc_chnl_cfg struct * @index: Channel index (up to MAX_CHANNELS) * * Return: 0 on success and failure value on error */ int ipc_chnl_cfg_get(struct ipc_chnl_cfg *chnl_cfg, int index); #endif