1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2020-2021 Intel Corporation
4  */
5 #ifndef __iwl_fw_api_rfi_h__
6 #define __iwl_fw_api_rfi_h__
7 
8 #define IWL_RFI_LUT_ENTRY_CHANNELS_NUM 15
9 #define IWL_RFI_LUT_SIZE 24
10 #define IWL_RFI_LUT_INSTALLED_SIZE 4
11 
12 /**
13  * struct iwl_rfi_lut_entry - an entry in the RFI frequency LUT.
14  *
15  * @freq: frequency
16  * @channels: channels that can be interfered at frequency freq (at most 15)
17  * @bands: the corresponding bands
18  */
19 struct iwl_rfi_lut_entry {
20 	__le16 freq;
21 	u8 channels[IWL_RFI_LUT_ENTRY_CHANNELS_NUM];
22 	u8 bands[IWL_RFI_LUT_ENTRY_CHANNELS_NUM];
23 } __packed;
24 
25 /**
26  * struct iwl_rfi_config_cmd - RFI configuration table
27  *
28  * @entry: a table can have 24 frequency/channel mappings
29  * @oem: specifies if this is the default table or set by OEM
30  */
31 struct iwl_rfi_config_cmd {
32 	struct iwl_rfi_lut_entry table[IWL_RFI_LUT_SIZE];
33 	u8 oem;
34 	u8 reserved[3];
35 } __packed; /* RFI_CONFIG_CMD_API_S_VER_1 */
36 
37 /**
38  * iwl_rfi_freq_table_status - status of the frequency table query
39  * @RFI_FREQ_TABLE_OK: can be used
40  * @RFI_FREQ_TABLE_DVFS_NOT_READY: DVFS is not ready yet, should try later
41  * @RFI_FREQ_TABLE_DISABLED: the feature is disabled in FW
42  */
43 enum iwl_rfi_freq_table_status {
44 	RFI_FREQ_TABLE_OK,
45 	RFI_FREQ_TABLE_DVFS_NOT_READY,
46 	RFI_FREQ_TABLE_DISABLED,
47 };
48 
49 /**
50  * struct iwl_rfi_freq_table_resp_cmd - get the rfi freq table used by FW
51  *
52  * @table: table used by FW
53  * @status: see &iwl_rfi_freq_table_status
54  */
55 struct iwl_rfi_freq_table_resp_cmd {
56 	struct iwl_rfi_lut_entry table[IWL_RFI_LUT_INSTALLED_SIZE];
57 	__le32 status;
58 } __packed; /* RFI_CONFIG_CMD_API_S_VER_1 */
59 
60 /**
61  * struct iwl_rfi_deactivate_notif - notifcation that FW disaled RFIm
62  *
63  * @reason: used only for a log message
64  */
65 struct iwl_rfi_deactivate_notif {
66 	__le32 reason;
67 } __packed; /* RFI_DEACTIVATE_NTF_S_VER_1 */
68 #endif /* __iwl_fw_api_rfi_h__ */
69