1 | /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
2 | /* |
3 | * Copyright (C) 2005-2015, 2018-2023 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, bool uats_enabled); |
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 | u8 set_tx_ant, u8 set_rx_ant); |
85 | |
86 | /* |
87 | * iwl_parse_mei_nvm_data - parse the mei_nvm_data and get an iwl_nvm_data |
88 | */ |
89 | struct iwl_nvm_data * |
90 | iwl_parse_mei_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, |
91 | const struct iwl_mei_nvm *mei_nvm, |
92 | const struct iwl_fw *fw, u8 set_tx_ant, u8 set_rx_ant); |
93 | |
94 | /* |
95 | * iwl_reinit_cab - to be called when the tx_chains or rx_chains are modified |
96 | */ |
97 | void iwl_reinit_cab(struct iwl_trans *trans, struct iwl_nvm_data *data, |
98 | u8 tx_chains, u8 rx_chains, const struct iwl_fw *fw); |
99 | |
100 | #endif /* __iwl_nvm_parse_h__ */ |
101 | |