1/* SPDX-License-Identifier: BSD-3-Clause-Clear */
2/*
3 * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
5 */
6
7#ifndef ATH12K_REG_H
8#define ATH12K_REG_H
9
10#include <linux/kernel.h>
11#include <net/regulatory.h>
12
13struct ath12k_base;
14struct ath12k;
15
16/* DFS regdomains supported by Firmware */
17enum ath12k_dfs_region {
18	ATH12K_DFS_REG_UNSET,
19	ATH12K_DFS_REG_FCC,
20	ATH12K_DFS_REG_ETSI,
21	ATH12K_DFS_REG_MKK,
22	ATH12K_DFS_REG_CN,
23	ATH12K_DFS_REG_KR,
24	ATH12K_DFS_REG_MKK_N,
25	ATH12K_DFS_REG_UNDEF,
26};
27
28enum ath12k_reg_cc_code {
29	REG_SET_CC_STATUS_PASS = 0,
30	REG_CURRENT_ALPHA2_NOT_FOUND = 1,
31	REG_INIT_ALPHA2_NOT_FOUND = 2,
32	REG_SET_CC_CHANGE_NOT_ALLOWED = 3,
33	REG_SET_CC_STATUS_NO_MEMORY = 4,
34	REG_SET_CC_STATUS_FAIL = 5,
35};
36
37struct ath12k_reg_rule {
38	u16 start_freq;
39	u16 end_freq;
40	u16 max_bw;
41	u8 reg_power;
42	u8 ant_gain;
43	u16 flags;
44	bool psd_flag;
45	u16 psd_eirp;
46};
47
48struct ath12k_reg_info {
49	enum ath12k_reg_cc_code status_code;
50	u8 num_phy;
51	u8 phy_id;
52	u16 reg_dmn_pair;
53	u16 ctry_code;
54	u8 alpha2[REG_ALPHA2_LEN + 1];
55	u32 dfs_region;
56	u32 phybitmap;
57	bool is_ext_reg_event;
58	u32 min_bw_2g;
59	u32 max_bw_2g;
60	u32 min_bw_5g;
61	u32 max_bw_5g;
62	u32 num_2g_reg_rules;
63	u32 num_5g_reg_rules;
64	struct ath12k_reg_rule *reg_rules_2g_ptr;
65	struct ath12k_reg_rule *reg_rules_5g_ptr;
66	enum wmi_reg_6g_client_type client_type;
67	bool rnr_tpe_usable;
68	bool unspecified_ap_usable;
69	/* TODO: All 6G related info can be stored only for required
70	 * combination instead of all types, to optimize memory usage.
71	 */
72	u8 domain_code_6g_ap[WMI_REG_CURRENT_MAX_AP_TYPE];
73	u8 domain_code_6g_client[WMI_REG_CURRENT_MAX_AP_TYPE][WMI_REG_MAX_CLIENT_TYPE];
74	u32 domain_code_6g_super_id;
75	u32 min_bw_6g_ap[WMI_REG_CURRENT_MAX_AP_TYPE];
76	u32 max_bw_6g_ap[WMI_REG_CURRENT_MAX_AP_TYPE];
77	u32 min_bw_6g_client[WMI_REG_CURRENT_MAX_AP_TYPE][WMI_REG_MAX_CLIENT_TYPE];
78	u32 max_bw_6g_client[WMI_REG_CURRENT_MAX_AP_TYPE][WMI_REG_MAX_CLIENT_TYPE];
79	u32 num_6g_reg_rules_ap[WMI_REG_CURRENT_MAX_AP_TYPE];
80	u32 num_6g_reg_rules_cl[WMI_REG_CURRENT_MAX_AP_TYPE][WMI_REG_MAX_CLIENT_TYPE];
81	struct ath12k_reg_rule *reg_rules_6g_ap_ptr[WMI_REG_CURRENT_MAX_AP_TYPE];
82	struct ath12k_reg_rule *reg_rules_6g_client_ptr
83		[WMI_REG_CURRENT_MAX_AP_TYPE][WMI_REG_MAX_CLIENT_TYPE];
84};
85
86void ath12k_reg_init(struct ath12k *ar);
87void ath12k_reg_free(struct ath12k_base *ab);
88void ath12k_regd_update_work(struct work_struct *work);
89struct ieee80211_regdomain *ath12k_reg_build_regd(struct ath12k_base *ab,
90						  struct ath12k_reg_info *reg_info,
91						  bool intersect);
92int ath12k_regd_update(struct ath12k *ar, bool init);
93int ath12k_reg_update_chan_list(struct ath12k *ar);
94
95#endif
96