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87 lines
2.9 KiB
87 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (C) 2020-21 Intel Corporation. |
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*/ |
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#include <linux/wwan.h> |
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#include "iosm_ipc_chnl_cfg.h" |
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/* Max. sizes of a downlink buffers */ |
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#define IPC_MEM_MAX_DL_FLASH_BUF_SIZE (16 * 1024) |
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#define IPC_MEM_MAX_DL_LOOPBACK_SIZE (1 * 1024 * 1024) |
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#define IPC_MEM_MAX_DL_AT_BUF_SIZE 2048 |
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#define IPC_MEM_MAX_DL_RPC_BUF_SIZE (32 * 1024) |
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#define IPC_MEM_MAX_DL_MBIM_BUF_SIZE IPC_MEM_MAX_DL_RPC_BUF_SIZE |
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/* Max. transfer descriptors for a pipe. */ |
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#define IPC_MEM_MAX_TDS_FLASH_DL 3 |
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#define IPC_MEM_MAX_TDS_FLASH_UL 6 |
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#define IPC_MEM_MAX_TDS_AT 4 |
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#define IPC_MEM_MAX_TDS_RPC 4 |
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#define IPC_MEM_MAX_TDS_MBIM IPC_MEM_MAX_TDS_RPC |
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#define IPC_MEM_MAX_TDS_LOOPBACK 11 |
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/* Accumulation backoff usec */ |
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#define IRQ_ACC_BACKOFF_OFF 0 |
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/* MUX acc backoff 1ms */ |
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#define IRQ_ACC_BACKOFF_MUX 1000 |
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/* Modem channel configuration table |
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* Always reserve element zero for flash channel. |
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*/ |
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static struct ipc_chnl_cfg modem_cfg[] = { |
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/* IP Mux */ |
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{ IPC_MEM_IP_CHL_ID_0, IPC_MEM_PIPE_0, IPC_MEM_PIPE_1, |
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IPC_MEM_MAX_TDS_MUX_LITE_UL, IPC_MEM_MAX_TDS_MUX_LITE_DL, |
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IPC_MEM_MAX_DL_MUX_LITE_BUF_SIZE, WWAN_PORT_UNKNOWN }, |
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/* RPC - 0 */ |
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{ IPC_MEM_CTRL_CHL_ID_1, IPC_MEM_PIPE_2, IPC_MEM_PIPE_3, |
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IPC_MEM_MAX_TDS_RPC, IPC_MEM_MAX_TDS_RPC, |
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IPC_MEM_MAX_DL_RPC_BUF_SIZE, WWAN_PORT_UNKNOWN }, |
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/* IAT0 */ |
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{ IPC_MEM_CTRL_CHL_ID_2, IPC_MEM_PIPE_4, IPC_MEM_PIPE_5, |
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IPC_MEM_MAX_TDS_AT, IPC_MEM_MAX_TDS_AT, IPC_MEM_MAX_DL_AT_BUF_SIZE, |
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WWAN_PORT_AT }, |
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/* Trace */ |
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{ IPC_MEM_CTRL_CHL_ID_3, IPC_MEM_PIPE_6, IPC_MEM_PIPE_7, |
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IPC_MEM_TDS_TRC, IPC_MEM_TDS_TRC, IPC_MEM_MAX_DL_TRC_BUF_SIZE, |
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WWAN_PORT_UNKNOWN }, |
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/* IAT1 */ |
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{ IPC_MEM_CTRL_CHL_ID_4, IPC_MEM_PIPE_8, IPC_MEM_PIPE_9, |
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IPC_MEM_MAX_TDS_AT, IPC_MEM_MAX_TDS_AT, IPC_MEM_MAX_DL_AT_BUF_SIZE, |
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WWAN_PORT_AT }, |
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/* Loopback */ |
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{ IPC_MEM_CTRL_CHL_ID_5, IPC_MEM_PIPE_10, IPC_MEM_PIPE_11, |
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IPC_MEM_MAX_TDS_LOOPBACK, IPC_MEM_MAX_TDS_LOOPBACK, |
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IPC_MEM_MAX_DL_LOOPBACK_SIZE, WWAN_PORT_UNKNOWN }, |
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/* MBIM Channel */ |
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{ IPC_MEM_CTRL_CHL_ID_6, IPC_MEM_PIPE_12, IPC_MEM_PIPE_13, |
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IPC_MEM_MAX_TDS_MBIM, IPC_MEM_MAX_TDS_MBIM, |
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IPC_MEM_MAX_DL_MBIM_BUF_SIZE, WWAN_PORT_MBIM }, |
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}; |
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int ipc_chnl_cfg_get(struct ipc_chnl_cfg *chnl_cfg, int index) |
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{ |
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if (index >= ARRAY_SIZE(modem_cfg)) { |
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pr_err("index: %d and array size %zu", index, |
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ARRAY_SIZE(modem_cfg)); |
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return -ECHRNG; |
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} |
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if (index == IPC_MEM_MUX_IP_CH_IF_ID) |
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chnl_cfg->accumulation_backoff = IRQ_ACC_BACKOFF_MUX; |
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else |
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chnl_cfg->accumulation_backoff = IRQ_ACC_BACKOFF_OFF; |
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chnl_cfg->ul_nr_of_entries = modem_cfg[index].ul_nr_of_entries; |
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chnl_cfg->dl_nr_of_entries = modem_cfg[index].dl_nr_of_entries; |
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chnl_cfg->dl_buf_size = modem_cfg[index].dl_buf_size; |
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chnl_cfg->id = modem_cfg[index].id; |
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chnl_cfg->ul_pipe = modem_cfg[index].ul_pipe; |
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chnl_cfg->dl_pipe = modem_cfg[index].dl_pipe; |
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chnl_cfg->wwan_port_type = modem_cfg[index].wwan_port_type; |
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return 0; |
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}
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