155 lines
4.3 KiB
C
155 lines
4.3 KiB
C
/*
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* Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
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* Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
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* Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/**************\
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* Capabilities *
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\**************/
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#include "ath5k.h"
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#include "reg.h"
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#include "debug.h"
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#include "../regd.h"
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/*
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* Fill the capabilities struct
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* TODO: Merge this with EEPROM code when we are done with it
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*/
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int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
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{
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struct ath5k_capabilities *caps = &ah->ah_capabilities;
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u16 ee_header;
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/* Capabilities stored in the EEPROM */
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ee_header = caps->cap_eeprom.ee_header;
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if (ah->ah_version == AR5K_AR5210) {
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/*
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* Set radio capabilities
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* (The AR5110 only supports the middle 5GHz band)
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*/
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caps->cap_range.range_5ghz_min = 5120;
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caps->cap_range.range_5ghz_max = 5430;
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caps->cap_range.range_2ghz_min = 0;
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caps->cap_range.range_2ghz_max = 0;
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/* Set supported modes */
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__set_bit(AR5K_MODE_11A, caps->cap_mode);
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} else {
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/*
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* XXX The transceiver supports frequencies from 4920 to 6100MHz
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* XXX and from 2312 to 2732MHz. There are problems with the
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* XXX current ieee80211 implementation because the IEEE
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* XXX channel mapping does not support negative channel
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* XXX numbers (2312MHz is channel -19). Of course, this
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* XXX doesn't matter because these channels are out of the
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* XXX legal range.
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*/
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/*
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* Set radio capabilities
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*/
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if (AR5K_EEPROM_HDR_11A(ee_header)) {
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if (ath_is_49ghz_allowed(caps->cap_eeprom.ee_regdomain))
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caps->cap_range.range_5ghz_min = 4920;
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else
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caps->cap_range.range_5ghz_min = 5005;
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caps->cap_range.range_5ghz_max = 6100;
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/* Set supported modes */
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__set_bit(AR5K_MODE_11A, caps->cap_mode);
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}
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/* Enable 802.11b if a 2GHz capable radio (2111/5112) is
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* connected */
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if (AR5K_EEPROM_HDR_11B(ee_header) ||
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(AR5K_EEPROM_HDR_11G(ee_header) &&
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ah->ah_version != AR5K_AR5211)) {
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/* 2312 */
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caps->cap_range.range_2ghz_min = 2412;
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caps->cap_range.range_2ghz_max = 2732;
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/* Override 2GHz modes on SoCs that need it
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* NOTE: cap_needs_2GHz_ovr gets set from
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* ath_ahb_probe */
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if (!caps->cap_needs_2GHz_ovr) {
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if (AR5K_EEPROM_HDR_11B(ee_header))
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__set_bit(AR5K_MODE_11B,
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caps->cap_mode);
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if (AR5K_EEPROM_HDR_11G(ee_header) &&
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ah->ah_version != AR5K_AR5211)
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__set_bit(AR5K_MODE_11G,
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caps->cap_mode);
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}
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}
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}
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if ((ah->ah_radio_5ghz_revision & 0xf0) == AR5K_SREV_RAD_2112)
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__clear_bit(AR5K_MODE_11A, caps->cap_mode);
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/* Set number of supported TX queues */
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if (ah->ah_version == AR5K_AR5210)
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caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU;
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else
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caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES;
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/* Newer hardware has PHY error counters */
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if (ah->ah_mac_srev >= AR5K_SREV_AR5213A)
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caps->cap_has_phyerr_counters = true;
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else
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caps->cap_has_phyerr_counters = false;
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/* MACs since AR5212 have MRR support */
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if (ah->ah_version == AR5K_AR5212)
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caps->cap_has_mrr_support = true;
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else
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caps->cap_has_mrr_support = false;
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return 0;
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}
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/*
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* TODO: Following functions should be part of a new function
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* set_capability
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*/
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int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid,
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u16 assoc_id)
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{
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if (ah->ah_version == AR5K_AR5210) {
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AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1,
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AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);
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return 0;
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}
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return -EIO;
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}
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int ath5k_hw_disable_pspoll(struct ath5k_hw *ah)
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{
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if (ah->ah_version == AR5K_AR5210) {
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AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1,
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AR5K_STA_ID1_NO_PSPOLL | AR5K_STA_ID1_DEFAULT_ANTENNA);
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return 0;
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}
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return -EIO;
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}
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