1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2005-2015, 2018-2022 Intel Corporation
4  * Copyright (C) 2016-2017 Intel Deutschland GmbH
5  */
6 #ifndef __iwl_nvm_parse_h__
7 #define __iwl_nvm_parse_h__
8 
9 #include <net/cfg80211.h>
10 #include "iwl-eeprom-parse.h"
11 #include "mei/iwl-mei.h"
12 
13 /**
14  * enum iwl_nvm_sbands_flags - modification flags for the channel profiles
15  *
16  * @IWL_NVM_SBANDS_FLAGS_LAR: LAR is enabled
17  * @IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ: disallow 40, 80 and 160MHz on 5GHz
18  */
19 enum iwl_nvm_sbands_flags {
20 	IWL_NVM_SBANDS_FLAGS_LAR		= BIT(0),
21 	IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ	= BIT(1),
22 };
23 
24 /**
25  * iwl_parse_nvm_data - parse NVM data and return values
26  *
27  * This function parses all NVM values we need and then
28  * returns a (newly allocated) struct containing all the
29  * relevant values for driver use. The struct must be freed
30  * later with iwl_free_nvm_data().
31  */
32 struct iwl_nvm_data *
33 iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
34 		   const struct iwl_fw *fw,
35 		   const __be16 *nvm_hw, const __le16 *nvm_sw,
36 		   const __le16 *nvm_calib, const __le16 *regulatory,
37 		   const __le16 *mac_override, const __le16 *phy_sku,
38 		   u8 tx_chains, u8 rx_chains);
39 
40 /**
41  * iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW
42  *
43  * This function parses the regulatory channel data received as a
44  * MCC_UPDATE_CMD command. It returns a newly allocation regulatory domain,
45  * to be fed into the regulatory core. In case the geo_info is set handle
46  * accordingly. An ERR_PTR is returned on error.
47  * If not given to the regulatory core, the user is responsible for freeing
48  * the regdomain returned here with kfree.
49  */
50 struct ieee80211_regdomain *
51 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
52 		       int num_of_ch, __le32 *channels, u16 fw_mcc,
53 		       u16 geo_info, u32 cap, u8 resp_ver);
54 
55 /**
56  * struct iwl_nvm_section - describes an NVM section in memory.
57  *
58  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
59  * and saved for later use by the driver. Not all NVM sections are saved
60  * this way, only the needed ones.
61  */
62 struct iwl_nvm_section {
63 	u16 length;
64 	const u8 *data;
65 };
66 
67 /**
68  * iwl_read_external_nvm - Reads external NVM from a file into nvm_sections
69  */
70 int iwl_read_external_nvm(struct iwl_trans *trans,
71 			  const char *nvm_file_name,
72 			  struct iwl_nvm_section *nvm_sections);
73 void iwl_nvm_fixups(u32 hw_id, unsigned int section, u8 *data,
74 		    unsigned int len);
75 
76 /**
77  * iwl_get_nvm - retrieve NVM data from firmware
78  *
79  * Allocates a new iwl_nvm_data structure, fills it with
80  * NVM data, and returns it to caller.
81  */
82 struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
83 				 const struct iwl_fw *fw);
84 
85 /**
86  * iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data
87  */
88 struct iwl_nvm_data *
89 iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
90 		       const struct iwl_mei_nvm *mei_nvm,
91 		       const struct iwl_fw *fw);
92 
93 #endif /* __iwl_nvm_parse_h__ */
94