| /* 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 |
