1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/* Copyright(c) 2018-2019  Realtek Corporation
3 */
4
5#include "main.h"
6#include "regd.h"
7#include "debug.h"
8#include "phy.h"
9
10#define COUNTRY_REGD_ENT(_alpha2, _regd_2g, _regd_5g) \
11	{.alpha2 = (_alpha2), \
12	 .txpwr_regd_2g = (_regd_2g), \
13	 .txpwr_regd_5g = (_regd_5g), \
14	}
15
16#define rtw_dbg_regd_dump(_dev, _msg, _args...)			\
17do {								\
18	struct rtw_dev *__d = (_dev);				\
19	const struct rtw_regd *__r =  &__d->regd;		\
20	rtw_dbg(__d, RTW_DBG_REGD, _msg				\
21		"apply alpha2 %c%c, regd {%d, %d}, dfs_region %d\n",\
22		##_args,					\
23		__r->regulatory->alpha2[0],			\
24		__r->regulatory->alpha2[1],			\
25		__r->regulatory->txpwr_regd_2g,			\
26		__r->regulatory->txpwr_regd_5g,			\
27		__r->dfs_region);				\
28} while (0)
29
30/* If country code is not correctly defined in efuse,
31 * use worldwide country code and txpwr regd.
32 */
33static const struct rtw_regulatory rtw_reg_ww =
34	COUNTRY_REGD_ENT("00", RTW_REGD_WW, RTW_REGD_WW);
35
36static const struct rtw_regulatory rtw_reg_map[] = {
37	COUNTRY_REGD_ENT("AD", RTW_REGD_ETSI, RTW_REGD_ETSI),
38	COUNTRY_REGD_ENT("AE", RTW_REGD_ETSI, RTW_REGD_ETSI),
39	COUNTRY_REGD_ENT("AF", RTW_REGD_ETSI, RTW_REGD_ETSI),
40	COUNTRY_REGD_ENT("AG", RTW_REGD_FCC, RTW_REGD_FCC),
41	COUNTRY_REGD_ENT("AI", RTW_REGD_ETSI, RTW_REGD_ETSI),
42	COUNTRY_REGD_ENT("AL", RTW_REGD_ETSI, RTW_REGD_ETSI),
43	COUNTRY_REGD_ENT("AM", RTW_REGD_ETSI, RTW_REGD_ETSI),
44	COUNTRY_REGD_ENT("AN", RTW_REGD_FCC, RTW_REGD_FCC),
45	COUNTRY_REGD_ENT("AO", RTW_REGD_ETSI, RTW_REGD_ETSI),
46	COUNTRY_REGD_ENT("AQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
47	COUNTRY_REGD_ENT("AR", RTW_REGD_MEXICO, RTW_REGD_MEXICO),
48	COUNTRY_REGD_ENT("AS", RTW_REGD_FCC, RTW_REGD_FCC),
49	COUNTRY_REGD_ENT("AT", RTW_REGD_ETSI, RTW_REGD_ETSI),
50	COUNTRY_REGD_ENT("AU", RTW_REGD_ACMA, RTW_REGD_ACMA),
51	COUNTRY_REGD_ENT("AW", RTW_REGD_FCC, RTW_REGD_FCC),
52	COUNTRY_REGD_ENT("AZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
53	COUNTRY_REGD_ENT("BA", RTW_REGD_ETSI, RTW_REGD_ETSI),
54	COUNTRY_REGD_ENT("BB", RTW_REGD_FCC, RTW_REGD_FCC),
55	COUNTRY_REGD_ENT("BD", RTW_REGD_ETSI, RTW_REGD_ETSI),
56	COUNTRY_REGD_ENT("BE", RTW_REGD_ETSI, RTW_REGD_ETSI),
57	COUNTRY_REGD_ENT("BF", RTW_REGD_ETSI, RTW_REGD_ETSI),
58	COUNTRY_REGD_ENT("BG", RTW_REGD_ETSI, RTW_REGD_ETSI),
59	COUNTRY_REGD_ENT("BH", RTW_REGD_ETSI, RTW_REGD_ETSI),
60	COUNTRY_REGD_ENT("BI", RTW_REGD_ETSI, RTW_REGD_ETSI),
61	COUNTRY_REGD_ENT("BJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
62	COUNTRY_REGD_ENT("BM", RTW_REGD_FCC, RTW_REGD_FCC),
63	COUNTRY_REGD_ENT("BN", RTW_REGD_ETSI, RTW_REGD_ETSI),
64	COUNTRY_REGD_ENT("BO", RTW_REGD_FCC, RTW_REGD_FCC),
65	COUNTRY_REGD_ENT("BR", RTW_REGD_FCC, RTW_REGD_FCC),
66	COUNTRY_REGD_ENT("BS", RTW_REGD_FCC, RTW_REGD_FCC),
67	COUNTRY_REGD_ENT("BT", RTW_REGD_ETSI, RTW_REGD_ETSI),
68	COUNTRY_REGD_ENT("BV", RTW_REGD_ETSI, RTW_REGD_ETSI),
69	COUNTRY_REGD_ENT("BW", RTW_REGD_ETSI, RTW_REGD_ETSI),
70	COUNTRY_REGD_ENT("BY", RTW_REGD_ETSI, RTW_REGD_ETSI),
71	COUNTRY_REGD_ENT("BZ", RTW_REGD_FCC, RTW_REGD_FCC),
72	COUNTRY_REGD_ENT("CA", RTW_REGD_IC, RTW_REGD_IC),
73	COUNTRY_REGD_ENT("CC", RTW_REGD_ACMA, RTW_REGD_ACMA),
74	COUNTRY_REGD_ENT("CD", RTW_REGD_ETSI, RTW_REGD_ETSI),
75	COUNTRY_REGD_ENT("CF", RTW_REGD_ETSI, RTW_REGD_ETSI),
76	COUNTRY_REGD_ENT("CG", RTW_REGD_ETSI, RTW_REGD_ETSI),
77	COUNTRY_REGD_ENT("CH", RTW_REGD_ETSI, RTW_REGD_ETSI),
78	COUNTRY_REGD_ENT("CI", RTW_REGD_ETSI, RTW_REGD_ETSI),
79	COUNTRY_REGD_ENT("CK", RTW_REGD_ETSI, RTW_REGD_ETSI),
80	COUNTRY_REGD_ENT("CL", RTW_REGD_CHILE, RTW_REGD_CHILE),
81	COUNTRY_REGD_ENT("CM", RTW_REGD_ETSI, RTW_REGD_ETSI),
82	COUNTRY_REGD_ENT("CN", RTW_REGD_CN, RTW_REGD_CN),
83	COUNTRY_REGD_ENT("CO", RTW_REGD_FCC, RTW_REGD_FCC),
84	COUNTRY_REGD_ENT("CR", RTW_REGD_FCC, RTW_REGD_FCC),
85	COUNTRY_REGD_ENT("CV", RTW_REGD_ETSI, RTW_REGD_ETSI),
86	COUNTRY_REGD_ENT("CX", RTW_REGD_ACMA, RTW_REGD_ACMA),
87	COUNTRY_REGD_ENT("CY", RTW_REGD_ETSI, RTW_REGD_ETSI),
88	COUNTRY_REGD_ENT("CZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
89	COUNTRY_REGD_ENT("DE", RTW_REGD_ETSI, RTW_REGD_ETSI),
90	COUNTRY_REGD_ENT("DJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
91	COUNTRY_REGD_ENT("DK", RTW_REGD_ETSI, RTW_REGD_ETSI),
92	COUNTRY_REGD_ENT("DM", RTW_REGD_FCC, RTW_REGD_FCC),
93	COUNTRY_REGD_ENT("DO", RTW_REGD_FCC, RTW_REGD_FCC),
94	COUNTRY_REGD_ENT("DZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
95	COUNTRY_REGD_ENT("EC", RTW_REGD_FCC, RTW_REGD_FCC),
96	COUNTRY_REGD_ENT("EE", RTW_REGD_ETSI, RTW_REGD_ETSI),
97	COUNTRY_REGD_ENT("EG", RTW_REGD_ETSI, RTW_REGD_ETSI),
98	COUNTRY_REGD_ENT("EH", RTW_REGD_ETSI, RTW_REGD_ETSI),
99	COUNTRY_REGD_ENT("ER", RTW_REGD_ETSI, RTW_REGD_ETSI),
100	COUNTRY_REGD_ENT("ES", RTW_REGD_ETSI, RTW_REGD_ETSI),
101	COUNTRY_REGD_ENT("ET", RTW_REGD_ETSI, RTW_REGD_ETSI),
102	COUNTRY_REGD_ENT("FI", RTW_REGD_ETSI, RTW_REGD_ETSI),
103	COUNTRY_REGD_ENT("FJ", RTW_REGD_FCC, RTW_REGD_FCC),
104	COUNTRY_REGD_ENT("FK", RTW_REGD_ETSI, RTW_REGD_ETSI),
105	COUNTRY_REGD_ENT("FM", RTW_REGD_FCC, RTW_REGD_FCC),
106	COUNTRY_REGD_ENT("FO", RTW_REGD_ETSI, RTW_REGD_ETSI),
107	COUNTRY_REGD_ENT("FR", RTW_REGD_ETSI, RTW_REGD_ETSI),
108	COUNTRY_REGD_ENT("GA", RTW_REGD_ETSI, RTW_REGD_ETSI),
109	COUNTRY_REGD_ENT("GB", RTW_REGD_UK, RTW_REGD_UK),
110	COUNTRY_REGD_ENT("GD", RTW_REGD_FCC, RTW_REGD_FCC),
111	COUNTRY_REGD_ENT("GE", RTW_REGD_ETSI, RTW_REGD_ETSI),
112	COUNTRY_REGD_ENT("GF", RTW_REGD_ETSI, RTW_REGD_ETSI),
113	COUNTRY_REGD_ENT("GG", RTW_REGD_ETSI, RTW_REGD_ETSI),
114	COUNTRY_REGD_ENT("GH", RTW_REGD_ETSI, RTW_REGD_ETSI),
115	COUNTRY_REGD_ENT("GI", RTW_REGD_ETSI, RTW_REGD_ETSI),
116	COUNTRY_REGD_ENT("GL", RTW_REGD_ETSI, RTW_REGD_ETSI),
117	COUNTRY_REGD_ENT("GM", RTW_REGD_ETSI, RTW_REGD_ETSI),
118	COUNTRY_REGD_ENT("GN", RTW_REGD_ETSI, RTW_REGD_ETSI),
119	COUNTRY_REGD_ENT("GP", RTW_REGD_ETSI, RTW_REGD_ETSI),
120	COUNTRY_REGD_ENT("GQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
121	COUNTRY_REGD_ENT("GR", RTW_REGD_ETSI, RTW_REGD_ETSI),
122	COUNTRY_REGD_ENT("GS", RTW_REGD_ETSI, RTW_REGD_ETSI),
123	COUNTRY_REGD_ENT("GT", RTW_REGD_FCC, RTW_REGD_FCC),
124	COUNTRY_REGD_ENT("GU", RTW_REGD_FCC, RTW_REGD_FCC),
125	COUNTRY_REGD_ENT("GW", RTW_REGD_ETSI, RTW_REGD_ETSI),
126	COUNTRY_REGD_ENT("GY", RTW_REGD_FCC, RTW_REGD_FCC),
127	COUNTRY_REGD_ENT("HK", RTW_REGD_ETSI, RTW_REGD_ETSI),
128	COUNTRY_REGD_ENT("HM", RTW_REGD_ACMA, RTW_REGD_ACMA),
129	COUNTRY_REGD_ENT("HN", RTW_REGD_FCC, RTW_REGD_FCC),
130	COUNTRY_REGD_ENT("HR", RTW_REGD_ETSI, RTW_REGD_ETSI),
131	COUNTRY_REGD_ENT("HT", RTW_REGD_FCC, RTW_REGD_FCC),
132	COUNTRY_REGD_ENT("HU", RTW_REGD_ETSI, RTW_REGD_ETSI),
133	COUNTRY_REGD_ENT("ID", RTW_REGD_ETSI, RTW_REGD_ETSI),
134	COUNTRY_REGD_ENT("IE", RTW_REGD_ETSI, RTW_REGD_ETSI),
135	COUNTRY_REGD_ENT("IL", RTW_REGD_ETSI, RTW_REGD_ETSI),
136	COUNTRY_REGD_ENT("IM", RTW_REGD_ETSI, RTW_REGD_ETSI),
137	COUNTRY_REGD_ENT("IN", RTW_REGD_ETSI, RTW_REGD_ETSI),
138	COUNTRY_REGD_ENT("IO", RTW_REGD_ETSI, RTW_REGD_ETSI),
139	COUNTRY_REGD_ENT("IQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
140	COUNTRY_REGD_ENT("IR", RTW_REGD_ETSI, RTW_REGD_ETSI),
141	COUNTRY_REGD_ENT("IS", RTW_REGD_ETSI, RTW_REGD_ETSI),
142	COUNTRY_REGD_ENT("IT", RTW_REGD_ETSI, RTW_REGD_ETSI),
143	COUNTRY_REGD_ENT("JE", RTW_REGD_ETSI, RTW_REGD_ETSI),
144	COUNTRY_REGD_ENT("JM", RTW_REGD_FCC, RTW_REGD_FCC),
145	COUNTRY_REGD_ENT("JO", RTW_REGD_ETSI, RTW_REGD_ETSI),
146	COUNTRY_REGD_ENT("JP", RTW_REGD_MKK, RTW_REGD_MKK),
147	COUNTRY_REGD_ENT("KE", RTW_REGD_ETSI, RTW_REGD_ETSI),
148	COUNTRY_REGD_ENT("KG", RTW_REGD_ETSI, RTW_REGD_ETSI),
149	COUNTRY_REGD_ENT("KH", RTW_REGD_ETSI, RTW_REGD_ETSI),
150	COUNTRY_REGD_ENT("KI", RTW_REGD_ETSI, RTW_REGD_ETSI),
151	COUNTRY_REGD_ENT("KM", RTW_REGD_ETSI, RTW_REGD_ETSI),
152	COUNTRY_REGD_ENT("KN", RTW_REGD_FCC, RTW_REGD_FCC),
153	COUNTRY_REGD_ENT("KR", RTW_REGD_KCC, RTW_REGD_KCC),
154	COUNTRY_REGD_ENT("KW", RTW_REGD_ETSI, RTW_REGD_ETSI),
155	COUNTRY_REGD_ENT("KY", RTW_REGD_FCC, RTW_REGD_FCC),
156	COUNTRY_REGD_ENT("KZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
157	COUNTRY_REGD_ENT("LA", RTW_REGD_ETSI, RTW_REGD_ETSI),
158	COUNTRY_REGD_ENT("LB", RTW_REGD_ETSI, RTW_REGD_ETSI),
159	COUNTRY_REGD_ENT("LC", RTW_REGD_FCC, RTW_REGD_FCC),
160	COUNTRY_REGD_ENT("LI", RTW_REGD_ETSI, RTW_REGD_ETSI),
161	COUNTRY_REGD_ENT("LK", RTW_REGD_ETSI, RTW_REGD_ETSI),
162	COUNTRY_REGD_ENT("LR", RTW_REGD_ETSI, RTW_REGD_ETSI),
163	COUNTRY_REGD_ENT("LS", RTW_REGD_ETSI, RTW_REGD_ETSI),
164	COUNTRY_REGD_ENT("LT", RTW_REGD_ETSI, RTW_REGD_ETSI),
165	COUNTRY_REGD_ENT("LU", RTW_REGD_ETSI, RTW_REGD_ETSI),
166	COUNTRY_REGD_ENT("LV", RTW_REGD_ETSI, RTW_REGD_ETSI),
167	COUNTRY_REGD_ENT("LY", RTW_REGD_ETSI, RTW_REGD_ETSI),
168	COUNTRY_REGD_ENT("MA", RTW_REGD_ETSI, RTW_REGD_ETSI),
169	COUNTRY_REGD_ENT("MC", RTW_REGD_ETSI, RTW_REGD_ETSI),
170	COUNTRY_REGD_ENT("MD", RTW_REGD_ETSI, RTW_REGD_ETSI),
171	COUNTRY_REGD_ENT("ME", RTW_REGD_ETSI, RTW_REGD_ETSI),
172	COUNTRY_REGD_ENT("MF", RTW_REGD_FCC, RTW_REGD_FCC),
173	COUNTRY_REGD_ENT("MG", RTW_REGD_ETSI, RTW_REGD_ETSI),
174	COUNTRY_REGD_ENT("MH", RTW_REGD_FCC, RTW_REGD_FCC),
175	COUNTRY_REGD_ENT("MK", RTW_REGD_ETSI, RTW_REGD_ETSI),
176	COUNTRY_REGD_ENT("ML", RTW_REGD_ETSI, RTW_REGD_ETSI),
177	COUNTRY_REGD_ENT("MM", RTW_REGD_ETSI, RTW_REGD_ETSI),
178	COUNTRY_REGD_ENT("MN", RTW_REGD_ETSI, RTW_REGD_ETSI),
179	COUNTRY_REGD_ENT("MO", RTW_REGD_ETSI, RTW_REGD_ETSI),
180	COUNTRY_REGD_ENT("MP", RTW_REGD_FCC, RTW_REGD_FCC),
181	COUNTRY_REGD_ENT("MQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
182	COUNTRY_REGD_ENT("MR", RTW_REGD_ETSI, RTW_REGD_ETSI),
183	COUNTRY_REGD_ENT("MS", RTW_REGD_ETSI, RTW_REGD_ETSI),
184	COUNTRY_REGD_ENT("MT", RTW_REGD_ETSI, RTW_REGD_ETSI),
185	COUNTRY_REGD_ENT("MU", RTW_REGD_ETSI, RTW_REGD_ETSI),
186	COUNTRY_REGD_ENT("MV", RTW_REGD_ETSI, RTW_REGD_ETSI),
187	COUNTRY_REGD_ENT("MW", RTW_REGD_ETSI, RTW_REGD_ETSI),
188	COUNTRY_REGD_ENT("MX", RTW_REGD_MEXICO, RTW_REGD_MEXICO),
189	COUNTRY_REGD_ENT("MY", RTW_REGD_ETSI, RTW_REGD_ETSI),
190	COUNTRY_REGD_ENT("MZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
191	COUNTRY_REGD_ENT("NA", RTW_REGD_ETSI, RTW_REGD_ETSI),
192	COUNTRY_REGD_ENT("NC", RTW_REGD_ETSI, RTW_REGD_ETSI),
193	COUNTRY_REGD_ENT("NE", RTW_REGD_ETSI, RTW_REGD_ETSI),
194	COUNTRY_REGD_ENT("NF", RTW_REGD_ACMA, RTW_REGD_ACMA),
195	COUNTRY_REGD_ENT("NG", RTW_REGD_ETSI, RTW_REGD_ETSI),
196	COUNTRY_REGD_ENT("NI", RTW_REGD_FCC, RTW_REGD_FCC),
197	COUNTRY_REGD_ENT("NL", RTW_REGD_ETSI, RTW_REGD_ETSI),
198	COUNTRY_REGD_ENT("NO", RTW_REGD_ETSI, RTW_REGD_ETSI),
199	COUNTRY_REGD_ENT("NP", RTW_REGD_ETSI, RTW_REGD_ETSI),
200	COUNTRY_REGD_ENT("NR", RTW_REGD_ETSI, RTW_REGD_ETSI),
201	COUNTRY_REGD_ENT("NU", RTW_REGD_ACMA, RTW_REGD_ACMA),
202	COUNTRY_REGD_ENT("NZ", RTW_REGD_ACMA, RTW_REGD_ACMA),
203	COUNTRY_REGD_ENT("OM", RTW_REGD_ETSI, RTW_REGD_ETSI),
204	COUNTRY_REGD_ENT("PA", RTW_REGD_FCC, RTW_REGD_FCC),
205	COUNTRY_REGD_ENT("PE", RTW_REGD_FCC, RTW_REGD_FCC),
206	COUNTRY_REGD_ENT("PF", RTW_REGD_ETSI, RTW_REGD_ETSI),
207	COUNTRY_REGD_ENT("PG", RTW_REGD_ETSI, RTW_REGD_ETSI),
208	COUNTRY_REGD_ENT("PH", RTW_REGD_ETSI, RTW_REGD_ETSI),
209	COUNTRY_REGD_ENT("PK", RTW_REGD_ETSI, RTW_REGD_ETSI),
210	COUNTRY_REGD_ENT("PL", RTW_REGD_ETSI, RTW_REGD_ETSI),
211	COUNTRY_REGD_ENT("PM", RTW_REGD_ETSI, RTW_REGD_ETSI),
212	COUNTRY_REGD_ENT("PR", RTW_REGD_FCC, RTW_REGD_FCC),
213	COUNTRY_REGD_ENT("PS", RTW_REGD_ETSI, RTW_REGD_ETSI),
214	COUNTRY_REGD_ENT("PT", RTW_REGD_ETSI, RTW_REGD_ETSI),
215	COUNTRY_REGD_ENT("PW", RTW_REGD_FCC, RTW_REGD_FCC),
216	COUNTRY_REGD_ENT("PY", RTW_REGD_FCC, RTW_REGD_FCC),
217	COUNTRY_REGD_ENT("QA", RTW_REGD_QATAR, RTW_REGD_QATAR),
218	COUNTRY_REGD_ENT("RE", RTW_REGD_ETSI, RTW_REGD_ETSI),
219	COUNTRY_REGD_ENT("RO", RTW_REGD_ETSI, RTW_REGD_ETSI),
220	COUNTRY_REGD_ENT("RS", RTW_REGD_ETSI, RTW_REGD_ETSI),
221	COUNTRY_REGD_ENT("RU", RTW_REGD_ETSI, RTW_REGD_ETSI),
222	COUNTRY_REGD_ENT("RW", RTW_REGD_ETSI, RTW_REGD_ETSI),
223	COUNTRY_REGD_ENT("SA", RTW_REGD_ETSI, RTW_REGD_ETSI),
224	COUNTRY_REGD_ENT("SB", RTW_REGD_ETSI, RTW_REGD_ETSI),
225	COUNTRY_REGD_ENT("SC", RTW_REGD_FCC, RTW_REGD_FCC),
226	COUNTRY_REGD_ENT("SE", RTW_REGD_ETSI, RTW_REGD_ETSI),
227	COUNTRY_REGD_ENT("SG", RTW_REGD_ETSI, RTW_REGD_ETSI),
228	COUNTRY_REGD_ENT("SH", RTW_REGD_ETSI, RTW_REGD_ETSI),
229	COUNTRY_REGD_ENT("SI", RTW_REGD_ETSI, RTW_REGD_ETSI),
230	COUNTRY_REGD_ENT("SJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
231	COUNTRY_REGD_ENT("SK", RTW_REGD_ETSI, RTW_REGD_ETSI),
232	COUNTRY_REGD_ENT("SL", RTW_REGD_ETSI, RTW_REGD_ETSI),
233	COUNTRY_REGD_ENT("SM", RTW_REGD_ETSI, RTW_REGD_ETSI),
234	COUNTRY_REGD_ENT("SN", RTW_REGD_ETSI, RTW_REGD_ETSI),
235	COUNTRY_REGD_ENT("SO", RTW_REGD_ETSI, RTW_REGD_ETSI),
236	COUNTRY_REGD_ENT("SR", RTW_REGD_FCC, RTW_REGD_FCC),
237	COUNTRY_REGD_ENT("ST", RTW_REGD_ETSI, RTW_REGD_ETSI),
238	COUNTRY_REGD_ENT("SV", RTW_REGD_FCC, RTW_REGD_FCC),
239	COUNTRY_REGD_ENT("SX", RTW_REGD_FCC, RTW_REGD_FCC),
240	COUNTRY_REGD_ENT("SZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
241	COUNTRY_REGD_ENT("TC", RTW_REGD_ETSI, RTW_REGD_ETSI),
242	COUNTRY_REGD_ENT("TD", RTW_REGD_ETSI, RTW_REGD_ETSI),
243	COUNTRY_REGD_ENT("TF", RTW_REGD_ETSI, RTW_REGD_ETSI),
244	COUNTRY_REGD_ENT("TG", RTW_REGD_ETSI, RTW_REGD_ETSI),
245	COUNTRY_REGD_ENT("TH", RTW_REGD_ETSI, RTW_REGD_ETSI),
246	COUNTRY_REGD_ENT("TJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
247	COUNTRY_REGD_ENT("TK", RTW_REGD_ACMA, RTW_REGD_ACMA),
248	COUNTRY_REGD_ENT("TM", RTW_REGD_ETSI, RTW_REGD_ETSI),
249	COUNTRY_REGD_ENT("TN", RTW_REGD_ETSI, RTW_REGD_ETSI),
250	COUNTRY_REGD_ENT("TO", RTW_REGD_ETSI, RTW_REGD_ETSI),
251	COUNTRY_REGD_ENT("TR", RTW_REGD_ETSI, RTW_REGD_ETSI),
252	COUNTRY_REGD_ENT("TT", RTW_REGD_FCC, RTW_REGD_FCC),
253	COUNTRY_REGD_ENT("TV", RTW_REGD_ETSI, RTW_REGD_WW),
254	COUNTRY_REGD_ENT("TW", RTW_REGD_FCC, RTW_REGD_FCC),
255	COUNTRY_REGD_ENT("TZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
256	COUNTRY_REGD_ENT("UA", RTW_REGD_UKRAINE, RTW_REGD_UKRAINE),
257	COUNTRY_REGD_ENT("UG", RTW_REGD_ETSI, RTW_REGD_ETSI),
258	COUNTRY_REGD_ENT("US", RTW_REGD_FCC, RTW_REGD_FCC),
259	COUNTRY_REGD_ENT("UY", RTW_REGD_FCC, RTW_REGD_FCC),
260	COUNTRY_REGD_ENT("UZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
261	COUNTRY_REGD_ENT("VA", RTW_REGD_ETSI, RTW_REGD_ETSI),
262	COUNTRY_REGD_ENT("VC", RTW_REGD_FCC, RTW_REGD_FCC),
263	COUNTRY_REGD_ENT("VE", RTW_REGD_FCC, RTW_REGD_FCC),
264	COUNTRY_REGD_ENT("VG", RTW_REGD_FCC, RTW_REGD_FCC),
265	COUNTRY_REGD_ENT("VI", RTW_REGD_FCC, RTW_REGD_FCC),
266	COUNTRY_REGD_ENT("VN", RTW_REGD_ETSI, RTW_REGD_ETSI),
267	COUNTRY_REGD_ENT("VU", RTW_REGD_ETSI, RTW_REGD_ETSI),
268	COUNTRY_REGD_ENT("WF", RTW_REGD_ETSI, RTW_REGD_ETSI),
269	COUNTRY_REGD_ENT("WS", RTW_REGD_FCC, RTW_REGD_FCC),
270	COUNTRY_REGD_ENT("XK", RTW_REGD_ETSI, RTW_REGD_ETSI),
271	COUNTRY_REGD_ENT("YE", RTW_REGD_ETSI, RTW_REGD_ETSI),
272	COUNTRY_REGD_ENT("YT", RTW_REGD_ETSI, RTW_REGD_ETSI),
273	COUNTRY_REGD_ENT("ZA", RTW_REGD_ETSI, RTW_REGD_ETSI),
274	COUNTRY_REGD_ENT("ZM", RTW_REGD_ETSI, RTW_REGD_ETSI),
275	COUNTRY_REGD_ENT("ZW", RTW_REGD_ETSI, RTW_REGD_ETSI),
276};
277
278static void rtw_regd_apply_hw_cap_flags(struct wiphy *wiphy)
279{
280	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
281	struct ieee80211_supported_band *sband;
282	struct ieee80211_channel *ch;
283	struct rtw_dev *rtwdev = hw->priv;
284	struct rtw_efuse *efuse = &rtwdev->efuse;
285	int i;
286
287	if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_80))
288		return;
289
290	sband = wiphy->bands[NL80211_BAND_2GHZ];
291	if (!sband)
292		goto out_5g;
293
294	for (i = 0; i < sband->n_channels; i++) {
295		ch = &sband->channels[i];
296		ch->flags |= IEEE80211_CHAN_NO_80MHZ;
297	}
298
299out_5g:
300	sband = wiphy->bands[NL80211_BAND_5GHZ];
301	if (!sband)
302		return;
303
304	for (i = 0; i < sband->n_channels; i++) {
305		ch = &sband->channels[i];
306		ch->flags |= IEEE80211_CHAN_NO_80MHZ;
307	}
308}
309
310static bool rtw_reg_is_ww(const struct rtw_regulatory *reg)
311{
312	return reg == &rtw_reg_ww;
313}
314
315static bool rtw_reg_match(const struct rtw_regulatory *reg, const char *alpha2)
316{
317	return memcmp(reg->alpha2, alpha2, 2) == 0;
318}
319
320static const struct rtw_regulatory *rtw_reg_find_by_name(const char *alpha2)
321{
322	unsigned int i;
323
324	for (i = 0; i < ARRAY_SIZE(rtw_reg_map); i++) {
325		if (rtw_reg_match(&rtw_reg_map[i], alpha2))
326			return &rtw_reg_map[i];
327	}
328
329	return &rtw_reg_ww;
330}
331
332static
333void rtw_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request);
334
335/* call this before ieee80211_register_hw() */
336int rtw_regd_init(struct rtw_dev *rtwdev)
337{
338	struct wiphy *wiphy = rtwdev->hw->wiphy;
339	const struct rtw_regulatory *chip_reg;
340
341	if (!wiphy)
342		return -EINVAL;
343
344	wiphy->reg_notifier = rtw_regd_notifier;
345
346	chip_reg = rtw_reg_find_by_name(rtwdev->efuse.country_code);
347	if (!rtw_reg_is_ww(chip_reg)) {
348		rtwdev->regd.state = RTW_REGD_STATE_PROGRAMMED;
349
350		/* Set REGULATORY_STRICT_REG before ieee80211_register_hw(),
351		 * stack will wait for regulatory_hint() and consider it
352		 * as the superset for our regulatory rule.
353		 */
354		wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
355		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
356	} else {
357		rtwdev->regd.state = RTW_REGD_STATE_WORLDWIDE;
358	}
359
360	rtwdev->regd.regulatory = &rtw_reg_ww;
361	rtwdev->regd.dfs_region = NL80211_DFS_UNSET;
362	rtw_dbg_regd_dump(rtwdev, "regd init state %d: ", rtwdev->regd.state);
363
364	rtw_regd_apply_hw_cap_flags(wiphy);
365	return 0;
366}
367
368/* call this after ieee80211_register_hw() */
369int rtw_regd_hint(struct rtw_dev *rtwdev)
370{
371	struct wiphy *wiphy = rtwdev->hw->wiphy;
372	int ret;
373
374	if (!wiphy)
375		return -EINVAL;
376
377	if (rtwdev->regd.state == RTW_REGD_STATE_PROGRAMMED) {
378		rtw_dbg(rtwdev, RTW_DBG_REGD,
379			"country domain %c%c is PGed on efuse",
380			rtwdev->efuse.country_code[0],
381			rtwdev->efuse.country_code[1]);
382
383		ret = regulatory_hint(wiphy, rtwdev->efuse.country_code);
384		if (ret) {
385			rtw_warn(rtwdev,
386				 "failed to hint regulatory: %d\n", ret);
387			return ret;
388		}
389	}
390
391	return 0;
392}
393
394static bool rtw_regd_mgmt_worldwide(struct rtw_dev *rtwdev,
395				    struct rtw_regd *next_regd,
396				    struct regulatory_request *request)
397{
398	struct wiphy *wiphy = rtwdev->hw->wiphy;
399
400	next_regd->state = RTW_REGD_STATE_WORLDWIDE;
401
402	if (request->initiator == NL80211_REGDOM_SET_BY_USER &&
403	    !rtw_reg_is_ww(next_regd->regulatory)) {
404		next_regd->state = RTW_REGD_STATE_SETTING;
405		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
406	}
407
408	return true;
409}
410
411static bool rtw_regd_mgmt_programmed(struct rtw_dev *rtwdev,
412				     struct rtw_regd *next_regd,
413				     struct regulatory_request *request)
414{
415	if (request->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
416	    rtw_reg_match(next_regd->regulatory, rtwdev->efuse.country_code)) {
417		next_regd->state = RTW_REGD_STATE_PROGRAMMED;
418		return true;
419	}
420
421	return false;
422}
423
424static bool rtw_regd_mgmt_setting(struct rtw_dev *rtwdev,
425				  struct rtw_regd *next_regd,
426				  struct regulatory_request *request)
427{
428	struct wiphy *wiphy = rtwdev->hw->wiphy;
429
430	if (request->initiator != NL80211_REGDOM_SET_BY_USER)
431		return false;
432
433	next_regd->state = RTW_REGD_STATE_SETTING;
434
435	if (rtw_reg_is_ww(next_regd->regulatory)) {
436		next_regd->state = RTW_REGD_STATE_WORLDWIDE;
437		wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;
438	}
439
440	return true;
441}
442
443static bool (*const rtw_regd_handler[RTW_REGD_STATE_NR])
444	(struct rtw_dev *, struct rtw_regd *, struct regulatory_request *) = {
445	[RTW_REGD_STATE_WORLDWIDE] = rtw_regd_mgmt_worldwide,
446	[RTW_REGD_STATE_PROGRAMMED] = rtw_regd_mgmt_programmed,
447	[RTW_REGD_STATE_SETTING] = rtw_regd_mgmt_setting,
448};
449
450static bool rtw_regd_state_hdl(struct rtw_dev *rtwdev,
451			       struct rtw_regd *next_regd,
452			       struct regulatory_request *request)
453{
454	next_regd->regulatory = rtw_reg_find_by_name(request->alpha2);
455	next_regd->dfs_region = request->dfs_region;
456	return rtw_regd_handler[rtwdev->regd.state](rtwdev, next_regd, request);
457}
458
459static
460void rtw_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request)
461{
462	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
463	struct rtw_dev *rtwdev = hw->priv;
464	struct rtw_hal *hal = &rtwdev->hal;
465	struct rtw_regd next_regd = {0};
466	bool hdl;
467
468	hdl = rtw_regd_state_hdl(rtwdev, &next_regd, request);
469	if (!hdl) {
470		rtw_dbg(rtwdev, RTW_DBG_REGD,
471			"regd state %d: ignore request %c%c of initiator %d\n",
472			rtwdev->regd.state,
473			request->alpha2[0],
474			request->alpha2[1],
475			request->initiator);
476		return;
477	}
478
479	rtw_dbg(rtwdev, RTW_DBG_REGD, "regd state: %d -> %d\n",
480		rtwdev->regd.state, next_regd.state);
481
482	mutex_lock(&rtwdev->mutex);
483	rtwdev->regd = next_regd;
484	rtw_dbg_regd_dump(rtwdev, "get alpha2 %c%c from initiator %d: ",
485			  request->alpha2[0],
486			  request->alpha2[1],
487			  request->initiator);
488
489	rtw_phy_adaptivity_set_mode(rtwdev);
490	rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
491	mutex_unlock(&rtwdev->mutex);
492}
493
494u8 rtw_regd_get(struct rtw_dev *rtwdev)
495{
496	struct rtw_hal *hal = &rtwdev->hal;
497	u8 band = hal->current_band_type;
498
499	return band == RTW_BAND_2G ?
500	       rtwdev->regd.regulatory->txpwr_regd_2g :
501	       rtwdev->regd.regulatory->txpwr_regd_5g;
502}
503EXPORT_SYMBOL(rtw_regd_get);
504
505bool rtw_regd_srrc(struct rtw_dev *rtwdev)
506{
507	struct rtw_regd *regd = &rtwdev->regd;
508
509	return rtw_reg_match(regd->regulatory, "CN");
510}
511EXPORT_SYMBOL(rtw_regd_srrc);
512
513struct rtw_regd_alternative_t {
514	bool set;
515	u8 alt;
516};
517
518#define DECL_REGD_ALT(_regd, _regd_alt) \
519	[(_regd)] = {.set = true, .alt = (_regd_alt)}
520
521static const struct rtw_regd_alternative_t
522rtw_regd_alt[RTW_REGD_MAX] = {
523	DECL_REGD_ALT(RTW_REGD_IC, RTW_REGD_FCC),
524	DECL_REGD_ALT(RTW_REGD_KCC, RTW_REGD_ETSI),
525	DECL_REGD_ALT(RTW_REGD_ACMA, RTW_REGD_ETSI),
526	DECL_REGD_ALT(RTW_REGD_CHILE, RTW_REGD_FCC),
527	DECL_REGD_ALT(RTW_REGD_UKRAINE, RTW_REGD_ETSI),
528	DECL_REGD_ALT(RTW_REGD_MEXICO, RTW_REGD_FCC),
529	DECL_REGD_ALT(RTW_REGD_CN, RTW_REGD_ETSI),
530	DECL_REGD_ALT(RTW_REGD_QATAR, RTW_REGD_ETSI),
531	DECL_REGD_ALT(RTW_REGD_UK, RTW_REGD_ETSI),
532};
533
534bool rtw_regd_has_alt(u8 regd, u8 *regd_alt)
535{
536	if (!rtw_regd_alt[regd].set)
537		return false;
538
539	*regd_alt = rtw_regd_alt[regd].alt;
540	return true;
541}
542