atheros: introduce ath module containing common ath5k/ath9k/ar9170 code

This change creates a new module, ath.ko, which includes code that can
be shared between ath5k, ath9k and ar9170. For now, extract most of the ath9k
regulatory code so it can also be used in ath5k.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 272 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/regd.h b/drivers/net/wireless/ath/regd.h
new file mode 100644
index 000000000000..981f5cf2bdb8
--- /dev/null
+++ b/drivers/net/wireless/ath/regd.h
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef REGD_H
+#define REGD_H
+
+#include <linux/nl80211.h>
+
+#include <net/cfg80211.h>
+#include <net/wireless.h>
+
+#define NO_CTL 0xff
+#define SD_NO_CTL               0xE0
+#define NO_CTL                  0xff
+#define CTL_MODE_M              7
+#define CTL_11A                 0
+#define CTL_11B                 1
+#define CTL_11G                 2
+#define CTL_2GHT20              5
+#define CTL_5GHT20              6
+#define CTL_2GHT40              7
+#define CTL_5GHT40              8
+
+#define CTRY_DEBUG 0x1ff
+#define CTRY_DEFAULT 0
+
+#define COUNTRY_ERD_FLAG        0x8000
+#define WORLDWIDE_ROAMING_FLAG  0x4000
+
+#define MULTI_DOMAIN_MASK 0xFF00
+
+#define WORLD_SKU_MASK          0x00F0
+#define WORLD_SKU_PREFIX        0x0060
+
+#define CHANNEL_HALF_BW         10
+#define CHANNEL_QUARTER_BW      5
+
+struct reg_dmn_pair_mapping {
+	u16 regDmnEnum;
+	u16 reg_5ghz_ctl;
+	u16 reg_2ghz_ctl;
+};
+
+struct country_code_to_enum_rd {
+	u16 countryCode;
+	u16 regDmnEnum;
+	const char *isoName;
+};
+
+struct ath_regulatory {
+	char alpha2[2];
+	u16 country_code;
+	u16 max_power_level;
+	u32 tp_scale;
+	u16 current_rd;
+	u16 current_rd_ext;
+	int16_t power_limit;
+	struct reg_dmn_pair_mapping *regpair;
+};
+
+enum CountryCode {
+	CTRY_ALBANIA = 8,
+	CTRY_ALGERIA = 12,
+	CTRY_ARGENTINA = 32,
+	CTRY_ARMENIA = 51,
+	CTRY_AUSTRALIA = 36,
+	CTRY_AUSTRIA = 40,
+	CTRY_AZERBAIJAN = 31,
+	CTRY_BAHRAIN = 48,
+	CTRY_BELARUS = 112,
+	CTRY_BELGIUM = 56,
+	CTRY_BELIZE = 84,
+	CTRY_BOLIVIA = 68,
+	CTRY_BOSNIA_HERZ = 70,
+	CTRY_BRAZIL = 76,
+	CTRY_BRUNEI_DARUSSALAM = 96,
+	CTRY_BULGARIA = 100,
+	CTRY_CANADA = 124,
+	CTRY_CHILE = 152,
+	CTRY_CHINA = 156,
+	CTRY_COLOMBIA = 170,
+	CTRY_COSTA_RICA = 188,
+	CTRY_CROATIA = 191,
+	CTRY_CYPRUS = 196,
+	CTRY_CZECH = 203,
+	CTRY_DENMARK = 208,
+	CTRY_DOMINICAN_REPUBLIC = 214,
+	CTRY_ECUADOR = 218,
+	CTRY_EGYPT = 818,
+	CTRY_EL_SALVADOR = 222,
+	CTRY_ESTONIA = 233,
+	CTRY_FAEROE_ISLANDS = 234,
+	CTRY_FINLAND = 246,
+	CTRY_FRANCE = 250,
+	CTRY_GEORGIA = 268,
+	CTRY_GERMANY = 276,
+	CTRY_GREECE = 300,
+	CTRY_GUATEMALA = 320,
+	CTRY_HONDURAS = 340,
+	CTRY_HONG_KONG = 344,
+	CTRY_HUNGARY = 348,
+	CTRY_ICELAND = 352,
+	CTRY_INDIA = 356,
+	CTRY_INDONESIA = 360,
+	CTRY_IRAN = 364,
+	CTRY_IRAQ = 368,
+	CTRY_IRELAND = 372,
+	CTRY_ISRAEL = 376,
+	CTRY_ITALY = 380,
+	CTRY_JAMAICA = 388,
+	CTRY_JAPAN = 392,
+	CTRY_JORDAN = 400,
+	CTRY_KAZAKHSTAN = 398,
+	CTRY_KENYA = 404,
+	CTRY_KOREA_NORTH = 408,
+	CTRY_KOREA_ROC = 410,
+	CTRY_KOREA_ROC2 = 411,
+	CTRY_KOREA_ROC3 = 412,
+	CTRY_KUWAIT = 414,
+	CTRY_LATVIA = 428,
+	CTRY_LEBANON = 422,
+	CTRY_LIBYA = 434,
+	CTRY_LIECHTENSTEIN = 438,
+	CTRY_LITHUANIA = 440,
+	CTRY_LUXEMBOURG = 442,
+	CTRY_MACAU = 446,
+	CTRY_MACEDONIA = 807,
+	CTRY_MALAYSIA = 458,
+	CTRY_MALTA = 470,
+	CTRY_MEXICO = 484,
+	CTRY_MONACO = 492,
+	CTRY_MOROCCO = 504,
+	CTRY_NEPAL = 524,
+	CTRY_NETHERLANDS = 528,
+	CTRY_NETHERLANDS_ANTILLES = 530,
+	CTRY_NEW_ZEALAND = 554,
+	CTRY_NICARAGUA = 558,
+	CTRY_NORWAY = 578,
+	CTRY_OMAN = 512,
+	CTRY_PAKISTAN = 586,
+	CTRY_PANAMA = 591,
+	CTRY_PAPUA_NEW_GUINEA = 598,
+	CTRY_PARAGUAY = 600,
+	CTRY_PERU = 604,
+	CTRY_PHILIPPINES = 608,
+	CTRY_POLAND = 616,
+	CTRY_PORTUGAL = 620,
+	CTRY_PUERTO_RICO = 630,
+	CTRY_QATAR = 634,
+	CTRY_ROMANIA = 642,
+	CTRY_RUSSIA = 643,
+	CTRY_SAUDI_ARABIA = 682,
+	CTRY_SERBIA_MONTENEGRO = 891,
+	CTRY_SINGAPORE = 702,
+	CTRY_SLOVAKIA = 703,
+	CTRY_SLOVENIA = 705,
+	CTRY_SOUTH_AFRICA = 710,
+	CTRY_SPAIN = 724,
+	CTRY_SRI_LANKA = 144,
+	CTRY_SWEDEN = 752,
+	CTRY_SWITZERLAND = 756,
+	CTRY_SYRIA = 760,
+	CTRY_TAIWAN = 158,
+	CTRY_THAILAND = 764,
+	CTRY_TRINIDAD_Y_TOBAGO = 780,
+	CTRY_TUNISIA = 788,
+	CTRY_TURKEY = 792,
+	CTRY_UAE = 784,
+	CTRY_UKRAINE = 804,
+	CTRY_UNITED_KINGDOM = 826,
+	CTRY_UNITED_STATES = 840,
+	CTRY_UNITED_STATES_FCC49 = 842,
+	CTRY_URUGUAY = 858,
+	CTRY_UZBEKISTAN = 860,
+	CTRY_VENEZUELA = 862,
+	CTRY_VIET_NAM = 704,
+	CTRY_YEMEN = 887,
+	CTRY_ZIMBABWE = 716,
+	CTRY_JAPAN1 = 393,
+	CTRY_JAPAN2 = 394,
+	CTRY_JAPAN3 = 395,
+	CTRY_JAPAN4 = 396,
+	CTRY_JAPAN5 = 397,
+	CTRY_JAPAN6 = 4006,
+	CTRY_JAPAN7 = 4007,
+	CTRY_JAPAN8 = 4008,
+	CTRY_JAPAN9 = 4009,
+	CTRY_JAPAN10 = 4010,
+	CTRY_JAPAN11 = 4011,
+	CTRY_JAPAN12 = 4012,
+	CTRY_JAPAN13 = 4013,
+	CTRY_JAPAN14 = 4014,
+	CTRY_JAPAN15 = 4015,
+	CTRY_JAPAN16 = 4016,
+	CTRY_JAPAN17 = 4017,
+	CTRY_JAPAN18 = 4018,
+	CTRY_JAPAN19 = 4019,
+	CTRY_JAPAN20 = 4020,
+	CTRY_JAPAN21 = 4021,
+	CTRY_JAPAN22 = 4022,
+	CTRY_JAPAN23 = 4023,
+	CTRY_JAPAN24 = 4024,
+	CTRY_JAPAN25 = 4025,
+	CTRY_JAPAN26 = 4026,
+	CTRY_JAPAN27 = 4027,
+	CTRY_JAPAN28 = 4028,
+	CTRY_JAPAN29 = 4029,
+	CTRY_JAPAN30 = 4030,
+	CTRY_JAPAN31 = 4031,
+	CTRY_JAPAN32 = 4032,
+	CTRY_JAPAN33 = 4033,
+	CTRY_JAPAN34 = 4034,
+	CTRY_JAPAN35 = 4035,
+	CTRY_JAPAN36 = 4036,
+	CTRY_JAPAN37 = 4037,
+	CTRY_JAPAN38 = 4038,
+	CTRY_JAPAN39 = 4039,
+	CTRY_JAPAN40 = 4040,
+	CTRY_JAPAN41 = 4041,
+	CTRY_JAPAN42 = 4042,
+	CTRY_JAPAN43 = 4043,
+	CTRY_JAPAN44 = 4044,
+	CTRY_JAPAN45 = 4045,
+	CTRY_JAPAN46 = 4046,
+	CTRY_JAPAN47 = 4047,
+	CTRY_JAPAN48 = 4048,
+	CTRY_JAPAN49 = 4049,
+	CTRY_JAPAN50 = 4050,
+	CTRY_JAPAN51 = 4051,
+	CTRY_JAPAN52 = 4052,
+	CTRY_JAPAN53 = 4053,
+	CTRY_JAPAN54 = 4054,
+	CTRY_JAPAN55 = 4055,
+	CTRY_JAPAN56 = 4056,
+	CTRY_JAPAN57 = 4057,
+	CTRY_JAPAN58 = 4058,
+	CTRY_JAPAN59 = 4059,
+	CTRY_AUSTRALIA2 = 5000,
+	CTRY_CANADA2 = 5001,
+	CTRY_BELGIUM2 = 5002
+};
+
+bool ath_is_world_regd(struct ath_regulatory *reg);
+const
+struct ieee80211_regdomain *ath_world_regdomain(struct ath_regulatory *reg);
+const struct ieee80211_regdomain *ath_default_world_regdomain(void);
+void ath_reg_apply_world_flags(struct wiphy *wiphy,
+			       enum nl80211_reg_initiator,
+			       struct ath_regulatory *reg);
+void ath_reg_apply_radar_flags(struct wiphy *wiphy);
+int ath_regd_init(struct ath_regulatory *reg);
+bool ath_regd_is_eeprom_valid(struct ath_regulatory *reg);
+u32 ath_regd_get_band_ctl(struct ath_regulatory *reg,
+			  enum ieee80211_band band);
+int ath_reg_notifier_apply(struct wiphy *wiphy,
+			   struct regulatory_request *request,
+			   struct ath_regulatory *reg);
+
+#endif