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freebsd-dev/sys/contrib/dev/rtw88/regd.c
Bjoern A. Zeeb 2774f20680 rtw88: import Realtek's rtw88 driver 
Import rtw88 based on wireless-testing at
5d5d68bcff1f7ff27ba0b938a4df5849849b47e3 with adjustments for FreeBSD.

While our version of the driver has knowledge about the incapablity
of DMA above 4GB we do see errors if people have more than that
often already showing when laoding firmware.
The problem for that is currently believed to be outside this driver
so importing it anyway for now.

Given the lack of full license texts on non-local files this is
imported under the draft policy for handling SPDX files (D29226). [1]

Approved by:	core (imp) [1]
MFC after:	2 weeks
2022-04-01 00:07:24 +00:00

530 lines
20 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2018-2019 Realtek Corporation
*/
#include "main.h"
#include "regd.h"
#include "debug.h"
#include "phy.h"
#define COUNTRY_REGD_ENT(_alpha2, _regd_2g, _regd_5g) \
{.alpha2 = (_alpha2), \
.txpwr_regd_2g = (_regd_2g), \
.txpwr_regd_5g = (_regd_5g), \
}
#define rtw_dbg_regd_dump(_dev, _msg, _args...) \
do { \
struct rtw_dev *__d = (_dev); \
const struct rtw_regd *__r = &__d->regd; \
rtw_dbg(__d, RTW_DBG_REGD, _msg \
"apply alpha2 %c%c, regd {%d, %d}, dfs_region %d\n",\
##_args, \
__r->regulatory->alpha2[0], \
__r->regulatory->alpha2[1], \
__r->regulatory->txpwr_regd_2g, \
__r->regulatory->txpwr_regd_5g, \
__r->dfs_region); \
} while (0)
/* If country code is not correctly defined in efuse,
* use worldwide country code and txpwr regd.
*/
static const struct rtw_regulatory rtw_reg_ww =
COUNTRY_REGD_ENT("00", RTW_REGD_WW, RTW_REGD_WW);
static const struct rtw_regulatory rtw_reg_map[] = {
COUNTRY_REGD_ENT("AD", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AG", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("AI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AL", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AN", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("AO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AR", RTW_REGD_MEXICO, RTW_REGD_MEXICO),
COUNTRY_REGD_ENT("AS", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("AT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("AU", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("AW", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("AZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BB", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("BD", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BM", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("BN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BO", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("BR", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("BS", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("BT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BV", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BW", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BY", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("BZ", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("CA", RTW_REGD_IC, RTW_REGD_IC),
COUNTRY_REGD_ENT("CC", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CD", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CL", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("CM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CO", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("CR", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("CV", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CX", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("CY", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("CZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("DE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("DJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("DK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("DM", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("DO", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("DZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("EC", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("EE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("EG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("EH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ER", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ES", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ET", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("FI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("FJ", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("FK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("FM", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("FO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("FR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GB", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GD", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("GE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GL", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GP", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GS", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GT", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("GU", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("GW", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("GY", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("HK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("HM", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("HN", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("HR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("HT", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("HU", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ID", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IL", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IS", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("IT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("JE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("JM", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("JO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("JP", RTW_REGD_MKK, RTW_REGD_MKK),
COUNTRY_REGD_ENT("KE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("KG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("KH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("KI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("KM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("KN", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("KR", RTW_REGD_KCC, RTW_REGD_KCC),
COUNTRY_REGD_ENT("KW", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("KY", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("KZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LB", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LC", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("LI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LS", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LU", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LV", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("LY", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MC", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MD", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ME", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MF", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("MG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MH", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("MK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ML", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MP", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("MQ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MS", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MU", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MV", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MW", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MX", RTW_REGD_MEXICO, RTW_REGD_MEXICO),
COUNTRY_REGD_ENT("MY", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("MZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NC", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NF", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("NG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NI", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("NL", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NP", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("NU", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("NZ", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("OM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PA", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("PE", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("PF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PL", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PR", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("PS", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("PW", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("PY", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("QA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("RE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("RO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("RS", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("RU", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("RW", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SB", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SC", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("SE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SI", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SL", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("SR", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("ST", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("SV", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("SX", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("SZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TC", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TD", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TH", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TJ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TK", RTW_REGD_ACMA, RTW_REGD_ACMA),
COUNTRY_REGD_ENT("TM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TO", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TR", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("TT", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("TV", RTW_REGD_ETSI, RTW_REGD_WW),
COUNTRY_REGD_ENT("TW", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("TZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("UA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("UG", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("US", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("UY", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("UZ", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("VA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("VC", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("VE", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("VG", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("VI", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("VN", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("VU", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("WF", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("WS", RTW_REGD_FCC, RTW_REGD_FCC),
COUNTRY_REGD_ENT("XK", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("YE", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("YT", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ZA", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ZM", RTW_REGD_ETSI, RTW_REGD_ETSI),
COUNTRY_REGD_ENT("ZW", RTW_REGD_ETSI, RTW_REGD_ETSI),
};
static void rtw_regd_apply_hw_cap_flags(struct wiphy *wiphy)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
struct rtw_dev *rtwdev = hw->priv;
struct rtw_efuse *efuse = &rtwdev->efuse;
int i;
if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_80))
return;
sband = wiphy->bands[NL80211_BAND_2GHZ];
if (!sband)
goto out_5g;
for (i = 0; i < sband->n_channels; i++) {
ch = &sband->channels[i];
ch->flags |= IEEE80211_CHAN_NO_80MHZ;
}
out_5g:
sband = wiphy->bands[NL80211_BAND_5GHZ];
if (!sband)
return;
for (i = 0; i < sband->n_channels; i++) {
ch = &sband->channels[i];
ch->flags |= IEEE80211_CHAN_NO_80MHZ;
}
}
static bool rtw_reg_is_ww(const struct rtw_regulatory *reg)
{
return reg == &rtw_reg_ww;
}
static bool rtw_reg_match(const struct rtw_regulatory *reg, const char *alpha2)
{
return memcmp(reg->alpha2, alpha2, 2) == 0;
}
static const struct rtw_regulatory *rtw_reg_find_by_name(const char *alpha2)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(rtw_reg_map); i++) {
if (rtw_reg_match(&rtw_reg_map[i], alpha2))
return &rtw_reg_map[i];
}
return &rtw_reg_ww;
}
static
void rtw_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request);
/* call this before ieee80211_register_hw() */
int rtw_regd_init(struct rtw_dev *rtwdev)
{
struct wiphy *wiphy = rtwdev->hw->wiphy;
const struct rtw_regulatory *chip_reg;
if (!wiphy)
return -EINVAL;
wiphy->reg_notifier = rtw_regd_notifier;
chip_reg = rtw_reg_find_by_name(rtwdev->efuse.country_code);
if (!rtw_reg_is_ww(chip_reg)) {
rtwdev->regd.state = RTW_REGD_STATE_PROGRAMMED;
/* Set REGULATORY_STRICT_REG before ieee80211_register_hw(),
* stack will wait for regulatory_hint() and consider it
* as the superset for our regulatory rule.
*/
wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
} else {
rtwdev->regd.state = RTW_REGD_STATE_WORLDWIDE;
}
rtwdev->regd.regulatory = &rtw_reg_ww;
rtwdev->regd.dfs_region = NL80211_DFS_UNSET;
rtw_dbg_regd_dump(rtwdev, "regd init state %d: ", rtwdev->regd.state);
rtw_regd_apply_hw_cap_flags(wiphy);
return 0;
}
/* call this after ieee80211_register_hw() */
int rtw_regd_hint(struct rtw_dev *rtwdev)
{
struct wiphy *wiphy = rtwdev->hw->wiphy;
int ret;
if (!wiphy)
return -EINVAL;
if (rtwdev->regd.state == RTW_REGD_STATE_PROGRAMMED) {
rtw_dbg(rtwdev, RTW_DBG_REGD,
"country domain %c%c is PGed on efuse",
rtwdev->efuse.country_code[0],
rtwdev->efuse.country_code[1]);
ret = regulatory_hint(wiphy, rtwdev->efuse.country_code);
if (ret) {
rtw_warn(rtwdev,
"failed to hint regulatory: %d\n", ret);
return ret;
}
}
return 0;
}
static bool rtw_regd_mgmt_worldwide(struct rtw_dev *rtwdev,
struct rtw_regd *next_regd,
struct regulatory_request *request)
{
struct wiphy *wiphy = rtwdev->hw->wiphy;
next_regd->state = RTW_REGD_STATE_WORLDWIDE;
if (request->initiator == NL80211_REGDOM_SET_BY_USER &&
!rtw_reg_is_ww(next_regd->regulatory)) {
next_regd->state = RTW_REGD_STATE_SETTING;
wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE;
}
return true;
}
static bool rtw_regd_mgmt_programmed(struct rtw_dev *rtwdev,
struct rtw_regd *next_regd,
struct regulatory_request *request)
{
if (request->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
rtw_reg_match(next_regd->regulatory, rtwdev->efuse.country_code)) {
next_regd->state = RTW_REGD_STATE_PROGRAMMED;
return true;
}
return false;
}
static bool rtw_regd_mgmt_setting(struct rtw_dev *rtwdev,
struct rtw_regd *next_regd,
struct regulatory_request *request)
{
struct wiphy *wiphy = rtwdev->hw->wiphy;
if (request->initiator != NL80211_REGDOM_SET_BY_USER)
return false;
next_regd->state = RTW_REGD_STATE_SETTING;
if (rtw_reg_is_ww(next_regd->regulatory)) {
next_regd->state = RTW_REGD_STATE_WORLDWIDE;
wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE;
}
return true;
}
static bool (*const rtw_regd_handler[RTW_REGD_STATE_NR])
(struct rtw_dev *, struct rtw_regd *, struct regulatory_request *) = {
[RTW_REGD_STATE_WORLDWIDE] = rtw_regd_mgmt_worldwide,
[RTW_REGD_STATE_PROGRAMMED] = rtw_regd_mgmt_programmed,
[RTW_REGD_STATE_SETTING] = rtw_regd_mgmt_setting,
};
static bool rtw_regd_state_hdl(struct rtw_dev *rtwdev,
struct rtw_regd *next_regd,
struct regulatory_request *request)
{
next_regd->regulatory = rtw_reg_find_by_name(request->alpha2);
next_regd->dfs_region = request->dfs_region;
return rtw_regd_handler[rtwdev->regd.state](rtwdev, next_regd, request);
}
static
void rtw_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct rtw_dev *rtwdev = hw->priv;
struct rtw_hal *hal = &rtwdev->hal;
struct rtw_regd next_regd = {0};
bool hdl;
hdl = rtw_regd_state_hdl(rtwdev, &next_regd, request);
if (!hdl) {
rtw_dbg(rtwdev, RTW_DBG_REGD,
"regd state %d: ignore request %c%c of initiator %d\n",
rtwdev->regd.state,
request->alpha2[0],
request->alpha2[1],
request->initiator);
return;
}
rtw_dbg(rtwdev, RTW_DBG_REGD, "regd state: %d -> %d\n",
rtwdev->regd.state, next_regd.state);
rtwdev->regd = next_regd;
rtw_dbg_regd_dump(rtwdev, "get alpha2 %c%c from initiator %d: ",
request->alpha2[0],
request->alpha2[1],
request->initiator);
rtw_phy_adaptivity_set_mode(rtwdev);
rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
}
u8 rtw_regd_get(struct rtw_dev *rtwdev)
{
struct rtw_hal *hal = &rtwdev->hal;
u8 band = hal->current_band_type;
return band == RTW_BAND_2G ?
rtwdev->regd.regulatory->txpwr_regd_2g :
rtwdev->regd.regulatory->txpwr_regd_5g;
}
EXPORT_SYMBOL(rtw_regd_get);
struct rtw_regd_alternative_t {
bool set;
u8 alt;
};
#define DECL_REGD_ALT(_regd, _regd_alt) \
[(_regd)] = {.set = true, .alt = (_regd_alt)}
static const struct rtw_regd_alternative_t
rtw_regd_alt[RTW_REGD_MAX] = {
DECL_REGD_ALT(RTW_REGD_IC, RTW_REGD_FCC),
DECL_REGD_ALT(RTW_REGD_KCC, RTW_REGD_ETSI),
DECL_REGD_ALT(RTW_REGD_ACMA, RTW_REGD_ETSI),
DECL_REGD_ALT(RTW_REGD_CHILE, RTW_REGD_FCC),
DECL_REGD_ALT(RTW_REGD_UKRAINE, RTW_REGD_ETSI),
DECL_REGD_ALT(RTW_REGD_MEXICO, RTW_REGD_FCC),
DECL_REGD_ALT(RTW_REGD_CN, RTW_REGD_ETSI),
};
bool rtw_regd_has_alt(u8 regd, u8 *regd_alt)
{
if (!rtw_regd_alt[regd].set)
return false;
*regd_alt = rtw_regd_alt[regd].alt;
return true;
}
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