Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Atheros AR9170 driver |
| 3 | * |
| 4 | * Driver specific definitions |
| 5 | * |
| 6 | * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; see the file COPYING. If not, see |
| 20 | * http://www.gnu.org/licenses/. |
| 21 | * |
| 22 | * This file incorporates work covered by the following copyright and |
| 23 | * permission notice: |
| 24 | * Copyright (c) 2007-2008 Atheros Communications, Inc. |
| 25 | * |
| 26 | * Permission to use, copy, modify, and/or distribute this software for any |
| 27 | * purpose with or without fee is hereby granted, provided that the above |
| 28 | * copyright notice and this permission notice appear in all copies. |
| 29 | * |
| 30 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 31 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 32 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 33 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 34 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 35 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 36 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 37 | */ |
| 38 | #ifndef __AR9170_H |
| 39 | #define __AR9170_H |
| 40 | |
| 41 | #include <linux/completion.h> |
| 42 | #include <linux/spinlock.h> |
Johannes Berg | d323655 | 2009-04-20 14:31:42 +0200 | [diff] [blame] | 43 | #include <net/cfg80211.h> |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 44 | #include <net/mac80211.h> |
| 45 | #ifdef CONFIG_AR9170_LEDS |
| 46 | #include <linux/leds.h> |
| 47 | #endif /* CONFIG_AR9170_LEDS */ |
| 48 | #include "eeprom.h" |
| 49 | #include "hw.h" |
| 50 | |
Luis R. Rodriguez | 203c480 | 2009-03-30 22:30:33 -0400 | [diff] [blame] | 51 | #include "../regd.h" |
Christian Lamparter | 1878f77 | 2009-03-30 22:30:32 -0400 | [diff] [blame] | 52 | |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 53 | #define PAYLOAD_MAX (AR9170_MAX_CMD_LEN/4 - 1) |
| 54 | |
| 55 | enum ar9170_bw { |
| 56 | AR9170_BW_20, |
| 57 | AR9170_BW_40_BELOW, |
| 58 | AR9170_BW_40_ABOVE, |
| 59 | |
| 60 | __AR9170_NUM_BW, |
| 61 | }; |
| 62 | |
Johannes Berg | 9e52b06 | 2009-04-20 18:27:04 +0200 | [diff] [blame] | 63 | static inline enum ar9170_bw nl80211_to_ar9170(enum nl80211_channel_type type) |
| 64 | { |
| 65 | switch (type) { |
| 66 | case NL80211_CHAN_NO_HT: |
| 67 | case NL80211_CHAN_HT20: |
| 68 | return AR9170_BW_20; |
| 69 | case NL80211_CHAN_HT40MINUS: |
| 70 | return AR9170_BW_40_BELOW; |
| 71 | case NL80211_CHAN_HT40PLUS: |
| 72 | return AR9170_BW_40_ABOVE; |
| 73 | default: |
| 74 | BUG(); |
| 75 | } |
| 76 | } |
| 77 | |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 78 | enum ar9170_rf_init_mode { |
| 79 | AR9170_RFI_NONE, |
| 80 | AR9170_RFI_WARM, |
| 81 | AR9170_RFI_COLD, |
| 82 | }; |
| 83 | |
| 84 | #define AR9170_MAX_RX_BUFFER_SIZE 8192 |
| 85 | |
| 86 | #ifdef CONFIG_AR9170_LEDS |
| 87 | struct ar9170; |
| 88 | |
| 89 | struct ar9170_led { |
| 90 | struct ar9170 *ar; |
| 91 | struct led_classdev l; |
| 92 | char name[32]; |
| 93 | unsigned int toggled; |
Christian Lamparter | 2431fe9 | 2009-05-25 21:51:19 +0200 | [diff] [blame] | 94 | bool last_state; |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 95 | bool registered; |
| 96 | }; |
| 97 | |
| 98 | #endif /* CONFIG_AR9170_LEDS */ |
| 99 | |
| 100 | enum ar9170_device_state { |
| 101 | AR9170_UNKNOWN_STATE, |
| 102 | AR9170_STOPPED, |
| 103 | AR9170_IDLE, |
| 104 | AR9170_STARTED, |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 105 | }; |
| 106 | |
Christian Lamparter | cca84799 | 2009-04-19 01:28:12 +0200 | [diff] [blame] | 107 | struct ar9170_rxstream_mpdu_merge { |
| 108 | struct ar9170_rx_head plcp; |
| 109 | bool has_plcp; |
| 110 | }; |
| 111 | |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 112 | #define AR9170_QUEUE_TIMEOUT 64 |
| 113 | #define AR9170_TX_TIMEOUT 8 |
| 114 | #define AR9170_JANITOR_DELAY 128 |
| 115 | #define AR9170_TX_INVALID_RATE 0xffffffff |
| 116 | |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 117 | struct ar9170 { |
| 118 | struct ieee80211_hw *hw; |
| 119 | struct mutex mutex; |
| 120 | enum ar9170_device_state state; |
Christian Lamparter | cca84799 | 2009-04-19 01:28:12 +0200 | [diff] [blame] | 121 | unsigned long bad_hw_nagger; |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 122 | |
| 123 | int (*open)(struct ar9170 *); |
| 124 | void (*stop)(struct ar9170 *); |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 125 | int (*tx)(struct ar9170 *, struct sk_buff *); |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 126 | int (*exec_cmd)(struct ar9170 *, enum ar9170_cmd, u32 , |
| 127 | void *, u32 , void *); |
| 128 | void (*callback_cmd)(struct ar9170 *, u32 , void *); |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 129 | int (*flush)(struct ar9170 *); |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 130 | |
| 131 | /* interface mode settings */ |
| 132 | struct ieee80211_vif *vif; |
| 133 | u8 mac_addr[ETH_ALEN]; |
| 134 | u8 bssid[ETH_ALEN]; |
| 135 | |
| 136 | /* beaconing */ |
| 137 | struct sk_buff *beacon; |
| 138 | struct work_struct beacon_work; |
| 139 | |
| 140 | /* cryptographic engine */ |
| 141 | u64 usedkeys; |
| 142 | bool rx_software_decryption; |
| 143 | bool disable_offload; |
| 144 | |
| 145 | /* filter settings */ |
| 146 | struct work_struct filter_config_work; |
| 147 | u64 cur_mc_hash, want_mc_hash; |
| 148 | u32 cur_filter, want_filter; |
Christian Lamparter | 864cc02 | 2009-05-23 20:28:21 +0200 | [diff] [blame] | 149 | unsigned long filter_changed; |
Christian Lamparter | cca84799 | 2009-04-19 01:28:12 +0200 | [diff] [blame] | 150 | unsigned int filter_state; |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 151 | bool sniffer_enabled; |
| 152 | |
| 153 | /* PHY */ |
| 154 | struct ieee80211_channel *channel; |
| 155 | int noise[4]; |
| 156 | |
| 157 | /* power calibration data */ |
| 158 | u8 power_5G_leg[4]; |
| 159 | u8 power_2G_cck[4]; |
| 160 | u8 power_2G_ofdm[4]; |
| 161 | u8 power_5G_ht20[8]; |
| 162 | u8 power_5G_ht40[8]; |
| 163 | u8 power_2G_ht20[8]; |
| 164 | u8 power_2G_ht40[8]; |
| 165 | |
| 166 | #ifdef CONFIG_AR9170_LEDS |
| 167 | struct delayed_work led_work; |
| 168 | struct ar9170_led leds[AR9170_NUM_LEDS]; |
| 169 | #endif /* CONFIG_AR9170_LEDS */ |
| 170 | |
| 171 | /* qos queue settings */ |
| 172 | spinlock_t tx_stats_lock; |
| 173 | struct ieee80211_tx_queue_stats tx_stats[5]; |
| 174 | struct ieee80211_tx_queue_params edcf[5]; |
| 175 | |
| 176 | spinlock_t cmdlock; |
| 177 | __le32 cmdbuf[PAYLOAD_MAX + 1]; |
| 178 | |
| 179 | /* MAC statistics */ |
| 180 | struct ieee80211_low_level_stats stats; |
| 181 | |
| 182 | /* EEPROM */ |
| 183 | struct ar9170_eeprom eeprom; |
Christian Lamparter | 1878f77 | 2009-03-30 22:30:32 -0400 | [diff] [blame] | 184 | struct ath_regulatory regulatory; |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 185 | |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 186 | /* tx queues - as seen by hw - */ |
| 187 | struct sk_buff_head tx_pending[__AR9170_NUM_TXQ]; |
| 188 | struct sk_buff_head tx_status[__AR9170_NUM_TXQ]; |
| 189 | struct delayed_work tx_janitor; |
Christian Lamparter | cca84799 | 2009-04-19 01:28:12 +0200 | [diff] [blame] | 190 | |
| 191 | /* rxstream mpdu merge */ |
| 192 | struct ar9170_rxstream_mpdu_merge rx_mpdu; |
| 193 | struct sk_buff *rx_failover; |
| 194 | int rx_failover_missing; |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 195 | }; |
| 196 | |
| 197 | struct ar9170_sta_info { |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 198 | }; |
| 199 | |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 200 | #define AR9170_TX_FLAG_WAIT_FOR_ACK BIT(0) |
| 201 | #define AR9170_TX_FLAG_NO_ACK BIT(1) |
| 202 | #define AR9170_TX_FLAG_BLOCK_ACK BIT(2) |
| 203 | |
| 204 | struct ar9170_tx_info { |
| 205 | unsigned long timeout; |
| 206 | unsigned int flags; |
| 207 | }; |
| 208 | |
| 209 | #define IS_STARTED(a) (((struct ar9170 *)a)->state >= AR9170_STARTED) |
| 210 | #define IS_ACCEPTING_CMD(a) (((struct ar9170 *)a)->state >= AR9170_IDLE) |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 211 | |
Christian Lamparter | 864cc02 | 2009-05-23 20:28:21 +0200 | [diff] [blame] | 212 | #define AR9170_FILTER_CHANGED_MODE BIT(0) |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 213 | #define AR9170_FILTER_CHANGED_MULTICAST BIT(1) |
| 214 | #define AR9170_FILTER_CHANGED_FRAMEFILTER BIT(2) |
| 215 | |
| 216 | /* exported interface */ |
| 217 | void *ar9170_alloc(size_t priv_size); |
| 218 | int ar9170_register(struct ar9170 *ar, struct device *pdev); |
| 219 | void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb); |
| 220 | void ar9170_unregister(struct ar9170 *ar); |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 221 | void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb); |
Christian Lamparter | 66d0081 | 2009-05-28 17:04:27 +0200 | [diff] [blame] | 222 | void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len); |
Christian Lamparter | 9b9c5aa | 2009-06-06 05:07:23 +0200 | [diff] [blame] | 223 | int ar9170_nag_limiter(struct ar9170 *ar); |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 224 | |
| 225 | /* MAC */ |
| 226 | int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb); |
| 227 | int ar9170_init_mac(struct ar9170 *ar); |
| 228 | int ar9170_set_qos(struct ar9170 *ar); |
| 229 | int ar9170_update_multicast(struct ar9170 *ar); |
| 230 | int ar9170_update_frame_filter(struct ar9170 *ar); |
| 231 | int ar9170_set_operating_mode(struct ar9170 *ar); |
| 232 | int ar9170_set_beacon_timers(struct ar9170 *ar); |
Christian Lamparter | 29ceff5 | 2009-06-01 21:42:01 +0200 | [diff] [blame] | 233 | int ar9170_set_dyn_sifs_ack(struct ar9170 *ar); |
| 234 | int ar9170_set_slot_time(struct ar9170 *ar); |
| 235 | int ar9170_set_basic_rates(struct ar9170 *ar); |
Christian Lamparter | e9348cd | 2009-03-21 23:05:13 +0100 | [diff] [blame] | 236 | int ar9170_set_hwretry_limit(struct ar9170 *ar, u32 max_retry); |
| 237 | int ar9170_update_beacon(struct ar9170 *ar); |
| 238 | void ar9170_new_beacon(struct work_struct *work); |
| 239 | int ar9170_upload_key(struct ar9170 *ar, u8 id, const u8 *mac, u8 ktype, |
| 240 | u8 keyidx, u8 *keydata, int keylen); |
| 241 | int ar9170_disable_key(struct ar9170 *ar, u8 id); |
| 242 | |
| 243 | /* LEDs */ |
| 244 | #ifdef CONFIG_AR9170_LEDS |
| 245 | int ar9170_register_leds(struct ar9170 *ar); |
| 246 | void ar9170_unregister_leds(struct ar9170 *ar); |
| 247 | #endif /* CONFIG_AR9170_LEDS */ |
| 248 | int ar9170_init_leds(struct ar9170 *ar); |
| 249 | int ar9170_set_leds_state(struct ar9170 *ar, u32 led_state); |
| 250 | |
| 251 | /* PHY / RF */ |
| 252 | int ar9170_init_phy(struct ar9170 *ar, enum ieee80211_band band); |
| 253 | int ar9170_init_rf(struct ar9170 *ar); |
| 254 | int ar9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, |
| 255 | enum ar9170_rf_init_mode rfi, enum ar9170_bw bw); |
| 256 | |
| 257 | #endif /* __AR9170_H */ |