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1/*2 * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>3 * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>4 * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>5 *6 * Permission to use, copy, modify, and distribute this software for any7 * purpose with or without fee is hereby granted, provided that the above8 * copyright notice and this permission notice appear in all copies.9 *10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.17 *18 */19 20/**************\21* Capabilities *22\**************/23 24#include "ath5k.h"25#include "reg.h"26#include "debug.h"27#include "../regd.h"28 29/*30 * Fill the capabilities struct31 * TODO: Merge this with EEPROM code when we are done with it32 */33int ath5k_hw_set_capabilities(struct ath5k_hw *ah)34{35 struct ath5k_capabilities *caps = &ah->ah_capabilities;36 u16 ee_header;37 38 /* Capabilities stored in the EEPROM */39 ee_header = caps->cap_eeprom.ee_header;40 41 if (ah->ah_version == AR5K_AR5210) {42 /*43 * Set radio capabilities44 * (The AR5110 only supports the middle 5GHz band)45 */46 caps->cap_range.range_5ghz_min = 5120;47 caps->cap_range.range_5ghz_max = 5430;48 caps->cap_range.range_2ghz_min = 0;49 caps->cap_range.range_2ghz_max = 0;50 51 /* Set supported modes */52 __set_bit(AR5K_MODE_11A, caps->cap_mode);53 } else {54 /*55 * XXX The transceiver supports frequencies from 4920 to 6100MHz56 * XXX and from 2312 to 2732MHz. There are problems with the57 * XXX current ieee80211 implementation because the IEEE58 * XXX channel mapping does not support negative channel59 * XXX numbers (2312MHz is channel -19). Of course, this60 * XXX doesn't matter because these channels are out of the61 * XXX legal range.62 */63 64 /*65 * Set radio capabilities66 */67 68 if (AR5K_EEPROM_HDR_11A(ee_header)) {69 if (ath_is_49ghz_allowed(caps->cap_eeprom.ee_regdomain))70 caps->cap_range.range_5ghz_min = 4920;71 else72 caps->cap_range.range_5ghz_min = 5005;73 caps->cap_range.range_5ghz_max = 6100;74 75 /* Set supported modes */76 __set_bit(AR5K_MODE_11A, caps->cap_mode);77 }78 79 /* Enable 802.11b if a 2GHz capable radio (2111/5112) is80 * connected */81 if (AR5K_EEPROM_HDR_11B(ee_header) ||82 (AR5K_EEPROM_HDR_11G(ee_header) &&83 ah->ah_version != AR5K_AR5211)) {84 /* 2312 */85 caps->cap_range.range_2ghz_min = 2412;86 caps->cap_range.range_2ghz_max = 2732;87 88 /* Override 2GHz modes on SoCs that need it89 * NOTE: cap_needs_2GHz_ovr gets set from90 * ath_ahb_probe */91 if (!caps->cap_needs_2GHz_ovr) {92 if (AR5K_EEPROM_HDR_11B(ee_header))93 __set_bit(AR5K_MODE_11B,94 caps->cap_mode);95 96 if (AR5K_EEPROM_HDR_11G(ee_header) &&97 ah->ah_version != AR5K_AR5211)98 __set_bit(AR5K_MODE_11G,99 caps->cap_mode);100 }101 }102 }103 104 if ((ah->ah_radio_5ghz_revision & 0xf0) == AR5K_SREV_RAD_2112)105 __clear_bit(AR5K_MODE_11A, caps->cap_mode);106 107 /* Set number of supported TX queues */108 if (ah->ah_version == AR5K_AR5210)109 caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU;110 else111 caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES;112 113 /* Newer hardware has PHY error counters */114 if (ah->ah_mac_srev >= AR5K_SREV_AR5213A)115 caps->cap_has_phyerr_counters = true;116 else117 caps->cap_has_phyerr_counters = false;118 119 /* MACs since AR5212 have MRR support */120 if (ah->ah_version == AR5K_AR5212)121 caps->cap_has_mrr_support = true;122 else123 caps->cap_has_mrr_support = false;124 125 return 0;126}127 128/*129 * TODO: Following functions should be part of a new function130 * set_capability131 */132 133int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid,134 u16 assoc_id)135{136 if (ah->ah_version == AR5K_AR5210) {137 AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1,138 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);139 return 0;140 }141 142 return -EIO;143}144 145int ath5k_hw_disable_pspoll(struct ath5k_hw *ah)146{147 if (ah->ah_version == AR5K_AR5210) {148 AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1,149 AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);150 return 0;151 }152 153 return -EIO;154}155