Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1 | /* |
Luis R. Rodriguez | b3950e6 | 2010-04-15 17:39:03 -0400 | [diff] [blame] | 2 | * Copyright (c) 2008-2010 Atheros Communications Inc. |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/io.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 18 | #include <linux/slab.h> |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 19 | #include <asm/unaligned.h> |
| 20 | |
Luis R. Rodriguez | af03abe | 2009-09-09 02:33:11 -0700 | [diff] [blame] | 21 | #include "hw.h" |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 22 | #include "hw-ops.h" |
Luis R. Rodriguez | cfe8cba | 2009-09-13 23:39:31 -0700 | [diff] [blame] | 23 | #include "rc.h" |
Luis R. Rodriguez | b622a72 | 2010-04-15 17:39:28 -0400 | [diff] [blame] | 24 | #include "ar9003_mac.h" |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 25 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 26 | static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 27 | |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 28 | MODULE_AUTHOR("Atheros Communications"); |
| 29 | MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards."); |
| 30 | MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards"); |
| 31 | MODULE_LICENSE("Dual BSD/GPL"); |
| 32 | |
| 33 | static int __init ath9k_init(void) |
| 34 | { |
| 35 | return 0; |
| 36 | } |
| 37 | module_init(ath9k_init); |
| 38 | |
| 39 | static void __exit ath9k_exit(void) |
| 40 | { |
| 41 | return; |
| 42 | } |
| 43 | module_exit(ath9k_exit); |
| 44 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 45 | /* Private hardware callbacks */ |
| 46 | |
| 47 | static void ath9k_hw_init_cal_settings(struct ath_hw *ah) |
| 48 | { |
| 49 | ath9k_hw_private_ops(ah)->init_cal_settings(ah); |
| 50 | } |
| 51 | |
| 52 | static void ath9k_hw_init_mode_regs(struct ath_hw *ah) |
| 53 | { |
| 54 | ath9k_hw_private_ops(ah)->init_mode_regs(ah); |
| 55 | } |
| 56 | |
| 57 | static bool ath9k_hw_macversion_supported(struct ath_hw *ah) |
| 58 | { |
| 59 | struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); |
| 60 | |
| 61 | return priv_ops->macversion_supported(ah->hw_version.macVersion); |
| 62 | } |
| 63 | |
Luis R. Rodriguez | 6477396 | 2010-04-15 17:38:17 -0400 | [diff] [blame] | 64 | static u32 ath9k_hw_compute_pll_control(struct ath_hw *ah, |
| 65 | struct ath9k_channel *chan) |
| 66 | { |
| 67 | return ath9k_hw_private_ops(ah)->compute_pll_control(ah, chan); |
| 68 | } |
| 69 | |
Luis R. Rodriguez | 991312d | 2010-04-15 17:39:05 -0400 | [diff] [blame] | 70 | static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah) |
| 71 | { |
| 72 | if (!ath9k_hw_private_ops(ah)->init_mode_gain_regs) |
| 73 | return; |
| 74 | |
| 75 | ath9k_hw_private_ops(ah)->init_mode_gain_regs(ah); |
| 76 | } |
| 77 | |
Luis R. Rodriguez | e36b27a | 2010-06-12 00:33:45 -0400 | [diff] [blame] | 78 | static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah) |
| 79 | { |
| 80 | /* You will not have this callback if using the old ANI */ |
| 81 | if (!ath9k_hw_private_ops(ah)->ani_cache_ini_regs) |
| 82 | return; |
| 83 | |
| 84 | ath9k_hw_private_ops(ah)->ani_cache_ini_regs(ah); |
| 85 | } |
| 86 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 87 | /********************/ |
| 88 | /* Helper Functions */ |
| 89 | /********************/ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 90 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 91 | static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 92 | { |
Luis R. Rodriguez | b002a4a | 2009-09-13 00:03:27 -0700 | [diff] [blame] | 93 | struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 94 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 95 | if (!ah->curchan) /* should really check for CCK instead */ |
Luis R. Rodriguez | 4febf7b | 2008-12-23 15:58:48 -0800 | [diff] [blame] | 96 | return usecs *ATH9K_CLOCK_RATE_CCK; |
| 97 | if (conf->channel->band == IEEE80211_BAND_2GHZ) |
| 98 | return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM; |
Vasanthakumar Thiagarajan | e555372 | 2010-04-26 15:04:33 -0400 | [diff] [blame] | 99 | |
| 100 | if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK) |
| 101 | return usecs * ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM; |
| 102 | else |
| 103 | return usecs * ATH9K_CLOCK_RATE_5GHZ_OFDM; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 104 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 105 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 106 | static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 107 | { |
Luis R. Rodriguez | b002a4a | 2009-09-13 00:03:27 -0700 | [diff] [blame] | 108 | struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 109 | |
Luis R. Rodriguez | 4febf7b | 2008-12-23 15:58:48 -0800 | [diff] [blame] | 110 | if (conf_is_ht40(conf)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 111 | return ath9k_hw_mac_clks(ah, usecs) * 2; |
| 112 | else |
| 113 | return ath9k_hw_mac_clks(ah, usecs); |
| 114 | } |
| 115 | |
Sujith | 0caa7b1 | 2009-02-16 13:23:20 +0530 | [diff] [blame] | 116 | bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 117 | { |
| 118 | int i; |
| 119 | |
Sujith | 0caa7b1 | 2009-02-16 13:23:20 +0530 | [diff] [blame] | 120 | BUG_ON(timeout < AH_TIME_QUANTUM); |
| 121 | |
| 122 | for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 123 | if ((REG_READ(ah, reg) & mask) == val) |
| 124 | return true; |
| 125 | |
| 126 | udelay(AH_TIME_QUANTUM); |
| 127 | } |
Sujith | 04bd463 | 2008-11-28 22:18:05 +0530 | [diff] [blame] | 128 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 129 | ath_print(ath9k_hw_common(ah), ATH_DBG_ANY, |
| 130 | "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n", |
| 131 | timeout, reg, REG_READ(ah, reg), mask, val); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 132 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 133 | return false; |
| 134 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 135 | EXPORT_SYMBOL(ath9k_hw_wait); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 136 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 137 | u32 ath9k_hw_reverse_bits(u32 val, u32 n) |
| 138 | { |
| 139 | u32 retval; |
| 140 | int i; |
| 141 | |
| 142 | for (i = 0, retval = 0; i < n; i++) { |
| 143 | retval = (retval << 1) | (val & 1); |
| 144 | val >>= 1; |
| 145 | } |
| 146 | return retval; |
| 147 | } |
| 148 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 149 | bool ath9k_get_channel_edges(struct ath_hw *ah, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 150 | u16 flags, u16 *low, |
| 151 | u16 *high) |
| 152 | { |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 153 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 154 | |
| 155 | if (flags & CHANNEL_5GHZ) { |
| 156 | *low = pCap->low_5ghz_chan; |
| 157 | *high = pCap->high_5ghz_chan; |
| 158 | return true; |
| 159 | } |
| 160 | if ((flags & CHANNEL_2GHZ)) { |
| 161 | *low = pCap->low_2ghz_chan; |
| 162 | *high = pCap->high_2ghz_chan; |
| 163 | return true; |
| 164 | } |
| 165 | return false; |
| 166 | } |
| 167 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 168 | u16 ath9k_hw_computetxtime(struct ath_hw *ah, |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 169 | u8 phy, int kbps, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 170 | u32 frameLen, u16 rateix, |
| 171 | bool shortPreamble) |
| 172 | { |
| 173 | u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 174 | |
| 175 | if (kbps == 0) |
| 176 | return 0; |
| 177 | |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 178 | switch (phy) { |
Sujith | 46d14a5 | 2008-11-18 09:08:13 +0530 | [diff] [blame] | 179 | case WLAN_RC_PHY_CCK: |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 180 | phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS; |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 181 | if (shortPreamble) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 182 | phyTime >>= 1; |
| 183 | numBits = frameLen << 3; |
| 184 | txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps); |
| 185 | break; |
Sujith | 46d14a5 | 2008-11-18 09:08:13 +0530 | [diff] [blame] | 186 | case WLAN_RC_PHY_OFDM: |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 187 | if (ah->curchan && IS_CHAN_QUARTER_RATE(ah->curchan)) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 188 | bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000; |
| 189 | numBits = OFDM_PLCP_BITS + (frameLen << 3); |
| 190 | numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol); |
| 191 | txTime = OFDM_SIFS_TIME_QUARTER |
| 192 | + OFDM_PREAMBLE_TIME_QUARTER |
| 193 | + (numSymbols * OFDM_SYMBOL_TIME_QUARTER); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 194 | } else if (ah->curchan && |
| 195 | IS_CHAN_HALF_RATE(ah->curchan)) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 196 | bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000; |
| 197 | numBits = OFDM_PLCP_BITS + (frameLen << 3); |
| 198 | numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol); |
| 199 | txTime = OFDM_SIFS_TIME_HALF + |
| 200 | OFDM_PREAMBLE_TIME_HALF |
| 201 | + (numSymbols * OFDM_SYMBOL_TIME_HALF); |
| 202 | } else { |
| 203 | bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000; |
| 204 | numBits = OFDM_PLCP_BITS + (frameLen << 3); |
| 205 | numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol); |
| 206 | txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME |
| 207 | + (numSymbols * OFDM_SYMBOL_TIME); |
| 208 | } |
| 209 | break; |
| 210 | default: |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 211 | ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL, |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 212 | "Unknown phy %u (rate ix %u)\n", phy, rateix); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 213 | txTime = 0; |
| 214 | break; |
| 215 | } |
| 216 | |
| 217 | return txTime; |
| 218 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 219 | EXPORT_SYMBOL(ath9k_hw_computetxtime); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 220 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 221 | void ath9k_hw_get_channel_centers(struct ath_hw *ah, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 222 | struct ath9k_channel *chan, |
| 223 | struct chan_centers *centers) |
| 224 | { |
| 225 | int8_t extoff; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 226 | |
| 227 | if (!IS_CHAN_HT40(chan)) { |
| 228 | centers->ctl_center = centers->ext_center = |
| 229 | centers->synth_center = chan->channel; |
| 230 | return; |
| 231 | } |
| 232 | |
| 233 | if ((chan->chanmode == CHANNEL_A_HT40PLUS) || |
| 234 | (chan->chanmode == CHANNEL_G_HT40PLUS)) { |
| 235 | centers->synth_center = |
| 236 | chan->channel + HT40_CHANNEL_CENTER_SHIFT; |
| 237 | extoff = 1; |
| 238 | } else { |
| 239 | centers->synth_center = |
| 240 | chan->channel - HT40_CHANNEL_CENTER_SHIFT; |
| 241 | extoff = -1; |
| 242 | } |
| 243 | |
| 244 | centers->ctl_center = |
| 245 | centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT); |
Luis R. Rodriguez | 6420014 | 2009-09-13 22:05:04 -0700 | [diff] [blame] | 246 | /* 25 MHz spacing is supported by hw but not on upper layers */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 247 | centers->ext_center = |
Luis R. Rodriguez | 6420014 | 2009-09-13 22:05:04 -0700 | [diff] [blame] | 248 | centers->synth_center + (extoff * HT40_CHANNEL_CENTER_SHIFT); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | /******************/ |
| 252 | /* Chip Revisions */ |
| 253 | /******************/ |
| 254 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 255 | static void ath9k_hw_read_revisions(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 256 | { |
| 257 | u32 val; |
| 258 | |
| 259 | val = REG_READ(ah, AR_SREV) & AR_SREV_ID; |
| 260 | |
| 261 | if (val == 0xFF) { |
| 262 | val = REG_READ(ah, AR_SREV); |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 263 | ah->hw_version.macVersion = |
| 264 | (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S; |
| 265 | ah->hw_version.macRev = MS(val, AR_SREV_REVISION2); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 266 | ah->is_pciexpress = (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 267 | } else { |
| 268 | if (!AR_SREV_9100(ah)) |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 269 | ah->hw_version.macVersion = MS(val, AR_SREV_VERSION); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 270 | |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 271 | ah->hw_version.macRev = val & AR_SREV_REVISION; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 272 | |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 273 | if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 274 | ah->is_pciexpress = true; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 275 | } |
| 276 | } |
| 277 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 278 | /************************************/ |
| 279 | /* HW Attach, Detach, Init Routines */ |
| 280 | /************************************/ |
| 281 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 282 | static void ath9k_hw_disablepcie(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 283 | { |
Sujith | feed029 | 2009-01-29 11:37:35 +0530 | [diff] [blame] | 284 | if (AR_SREV_9100(ah)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 285 | return; |
| 286 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 287 | ENABLE_REGWRITE_BUFFER(ah); |
| 288 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 289 | REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00); |
| 290 | REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924); |
| 291 | REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029); |
| 292 | REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824); |
| 293 | REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579); |
| 294 | REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000); |
| 295 | REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40); |
| 296 | REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554); |
| 297 | REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007); |
| 298 | |
| 299 | REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 300 | |
| 301 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 302 | } |
| 303 | |
Senthil Balasubramanian | 1f3f061 | 2010-04-15 17:38:29 -0400 | [diff] [blame] | 304 | /* This should work for all families including legacy */ |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 305 | static bool ath9k_hw_chip_test(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 306 | { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 307 | struct ath_common *common = ath9k_hw_common(ah); |
Senthil Balasubramanian | 1f3f061 | 2010-04-15 17:38:29 -0400 | [diff] [blame] | 308 | u32 regAddr[2] = { AR_STA_ID0 }; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 309 | u32 regHold[2]; |
| 310 | u32 patternData[4] = { 0x55555555, |
| 311 | 0xaaaaaaaa, |
| 312 | 0x66666666, |
| 313 | 0x99999999 }; |
Senthil Balasubramanian | 1f3f061 | 2010-04-15 17:38:29 -0400 | [diff] [blame] | 314 | int i, j, loop_max; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 315 | |
Senthil Balasubramanian | 1f3f061 | 2010-04-15 17:38:29 -0400 | [diff] [blame] | 316 | if (!AR_SREV_9300_20_OR_LATER(ah)) { |
| 317 | loop_max = 2; |
| 318 | regAddr[1] = AR_PHY_BASE + (8 << 2); |
| 319 | } else |
| 320 | loop_max = 1; |
| 321 | |
| 322 | for (i = 0; i < loop_max; i++) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 323 | u32 addr = regAddr[i]; |
| 324 | u32 wrData, rdData; |
| 325 | |
| 326 | regHold[i] = REG_READ(ah, addr); |
| 327 | for (j = 0; j < 0x100; j++) { |
| 328 | wrData = (j << 16) | j; |
| 329 | REG_WRITE(ah, addr, wrData); |
| 330 | rdData = REG_READ(ah, addr); |
| 331 | if (rdData != wrData) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 332 | ath_print(common, ATH_DBG_FATAL, |
| 333 | "address test failed " |
| 334 | "addr: 0x%08x - wr:0x%08x != " |
| 335 | "rd:0x%08x\n", |
| 336 | addr, wrData, rdData); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 337 | return false; |
| 338 | } |
| 339 | } |
| 340 | for (j = 0; j < 4; j++) { |
| 341 | wrData = patternData[j]; |
| 342 | REG_WRITE(ah, addr, wrData); |
| 343 | rdData = REG_READ(ah, addr); |
| 344 | if (wrData != rdData) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 345 | ath_print(common, ATH_DBG_FATAL, |
| 346 | "address test failed " |
| 347 | "addr: 0x%08x - wr:0x%08x != " |
| 348 | "rd:0x%08x\n", |
| 349 | addr, wrData, rdData); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 350 | return false; |
| 351 | } |
| 352 | } |
| 353 | REG_WRITE(ah, regAddr[i], regHold[i]); |
| 354 | } |
| 355 | udelay(100); |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 356 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 357 | return true; |
| 358 | } |
| 359 | |
Luis R. Rodriguez | b8b0f37 | 2009-08-03 12:24:43 -0700 | [diff] [blame] | 360 | static void ath9k_hw_init_config(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 361 | { |
| 362 | int i; |
| 363 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 364 | ah->config.dma_beacon_response_time = 2; |
| 365 | ah->config.sw_beacon_response_time = 10; |
| 366 | ah->config.additional_swba_backoff = 0; |
| 367 | ah->config.ack_6mb = 0x0; |
| 368 | ah->config.cwm_ignore_extcca = 0; |
| 369 | ah->config.pcie_powersave_enable = 0; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 370 | ah->config.pcie_clock_req = 0; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 371 | ah->config.pcie_waen = 0; |
| 372 | ah->config.analog_shiftreg = 1; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 373 | ah->config.ofdm_trig_low = 200; |
| 374 | ah->config.ofdm_trig_high = 500; |
| 375 | ah->config.cck_trig_high = 200; |
| 376 | ah->config.cck_trig_low = 100; |
Luis R. Rodriguez | 03c7251 | 2010-06-12 00:33:46 -0400 | [diff] [blame] | 377 | ah->config.enable_ani = true; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 378 | |
| 379 | for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 380 | ah->config.spurchans[i][0] = AR_NO_SPUR; |
| 381 | ah->config.spurchans[i][1] = AR_NO_SPUR; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 382 | } |
| 383 | |
Luis R. Rodriguez | 5ffaf8a | 2010-02-02 11:58:33 -0500 | [diff] [blame] | 384 | if (ah->hw_version.devid != AR2427_DEVID_PCIE) |
| 385 | ah->config.ht_enable = 1; |
| 386 | else |
| 387 | ah->config.ht_enable = 0; |
| 388 | |
Sujith | 0ce024c | 2009-12-14 14:57:00 +0530 | [diff] [blame] | 389 | ah->config.rx_intr_mitigation = true; |
Luis R. Rodriguez | 6a0ec30 | 2010-06-21 18:38:49 -0400 | [diff] [blame] | 390 | ah->config.pcieSerDesWrite = true; |
Luis R. Rodriguez | 6158425 | 2009-03-12 18:18:49 -0400 | [diff] [blame] | 391 | |
| 392 | /* |
| 393 | * We need this for PCI devices only (Cardbus, PCI, miniPCI) |
| 394 | * _and_ if on non-uniprocessor systems (Multiprocessor/HT). |
| 395 | * This means we use it for all AR5416 devices, and the few |
| 396 | * minor PCI AR9280 devices out there. |
| 397 | * |
| 398 | * Serialization is required because these devices do not handle |
| 399 | * well the case of two concurrent reads/writes due to the latency |
| 400 | * involved. During one read/write another read/write can be issued |
| 401 | * on another CPU while the previous read/write may still be working |
| 402 | * on our hardware, if we hit this case the hardware poops in a loop. |
| 403 | * We prevent this by serializing reads and writes. |
| 404 | * |
| 405 | * This issue is not present on PCI-Express devices or pre-AR5416 |
| 406 | * devices (legacy, 802.11abg). |
| 407 | */ |
| 408 | if (num_possible_cpus() > 1) |
David S. Miller | 2d6a5e9 | 2009-03-17 15:01:30 -0700 | [diff] [blame] | 409 | ah->config.serialize_regmode = SER_REG_MODE_AUTO; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 410 | } |
| 411 | |
Luis R. Rodriguez | 50aca25 | 2009-08-03 12:24:42 -0700 | [diff] [blame] | 412 | static void ath9k_hw_init_defaults(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 413 | { |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 414 | struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); |
| 415 | |
| 416 | regulatory->country_code = CTRY_DEFAULT; |
| 417 | regulatory->power_limit = MAX_RATE_POWER; |
| 418 | regulatory->tp_scale = ATH9K_TP_SCALE_MAX; |
| 419 | |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 420 | ah->hw_version.magic = AR5416_MAGIC; |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 421 | ah->hw_version.subvendorid = 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 422 | |
| 423 | ah->ah_flags = 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 424 | if (!AR_SREV_9100(ah)) |
| 425 | ah->ah_flags = AH_USE_EEPROM; |
| 426 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 427 | ah->atim_window = 0; |
Felix Fietkau | 16f2411 | 2010-06-12 17:22:32 +0200 | [diff] [blame] | 428 | ah->sta_id1_defaults = |
| 429 | AR_STA_ID1_CRPT_MIC_ENABLE | |
| 430 | AR_STA_ID1_MCAST_KSRCH; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 431 | ah->beacon_interval = 100; |
| 432 | ah->enable_32kHz_clock = DONT_USE_32KHZ; |
| 433 | ah->slottime = (u32) -1; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 434 | ah->globaltxtimeout = (u32) -1; |
Gabor Juhos | cbdec97 | 2009-07-24 17:27:22 +0200 | [diff] [blame] | 435 | ah->power_mode = ATH9K_PM_UNDEFINED; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 436 | } |
| 437 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 438 | static int ath9k_hw_init_macaddr(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 439 | { |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 440 | struct ath_common *common = ath9k_hw_common(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 441 | u32 sum; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 442 | int i; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 443 | u16 eeval; |
Luis R. Rodriguez | 4910167 | 2010-04-15 17:39:13 -0400 | [diff] [blame] | 444 | u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW }; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 445 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 446 | sum = 0; |
| 447 | for (i = 0; i < 3; i++) { |
Luis R. Rodriguez | 4910167 | 2010-04-15 17:39:13 -0400 | [diff] [blame] | 448 | eeval = ah->eep_ops->get_eeprom(ah, EEP_MAC[i]); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 449 | sum += eeval; |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 450 | common->macaddr[2 * i] = eeval >> 8; |
| 451 | common->macaddr[2 * i + 1] = eeval & 0xff; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 452 | } |
Sujith | d8baa93 | 2009-03-30 15:28:25 +0530 | [diff] [blame] | 453 | if (sum == 0 || sum == 0xffff * 3) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 454 | return -EADDRNOTAVAIL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 455 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 456 | return 0; |
| 457 | } |
| 458 | |
Luis R. Rodriguez | f637cfd | 2009-08-03 12:24:46 -0700 | [diff] [blame] | 459 | static int ath9k_hw_post_init(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 460 | { |
| 461 | int ecode; |
| 462 | |
Sujith | 527d485 | 2010-03-17 14:25:16 +0530 | [diff] [blame] | 463 | if (!AR_SREV_9271(ah)) { |
| 464 | if (!ath9k_hw_chip_test(ah)) |
| 465 | return -ENODEV; |
| 466 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 467 | |
Luis R. Rodriguez | ebd5a14 | 2010-04-15 17:39:18 -0400 | [diff] [blame] | 468 | if (!AR_SREV_9300_20_OR_LATER(ah)) { |
| 469 | ecode = ar9002_hw_rf_claim(ah); |
| 470 | if (ecode != 0) |
| 471 | return ecode; |
| 472 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 473 | |
Luis R. Rodriguez | f637cfd | 2009-08-03 12:24:46 -0700 | [diff] [blame] | 474 | ecode = ath9k_hw_eeprom_init(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 475 | if (ecode != 0) |
| 476 | return ecode; |
Sujith | 7d01b22 | 2009-03-13 08:55:55 +0530 | [diff] [blame] | 477 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 478 | ath_print(ath9k_hw_common(ah), ATH_DBG_CONFIG, |
| 479 | "Eeprom VER: %d, REV: %d\n", |
| 480 | ah->eep_ops->get_eeprom_ver(ah), |
| 481 | ah->eep_ops->get_eeprom_rev(ah)); |
Sujith | 7d01b22 | 2009-03-13 08:55:55 +0530 | [diff] [blame] | 482 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 483 | ecode = ath9k_hw_rf_alloc_ext_banks(ah); |
| 484 | if (ecode) { |
| 485 | ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL, |
| 486 | "Failed allocating banks for " |
| 487 | "external radio\n"); |
| 488 | return ecode; |
Luis R. Rodriguez | 574d6b1 | 2009-10-19 02:33:37 -0400 | [diff] [blame] | 489 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 490 | |
| 491 | if (!AR_SREV_9100(ah)) { |
| 492 | ath9k_hw_ani_setup(ah); |
Luis R. Rodriguez | f637cfd | 2009-08-03 12:24:46 -0700 | [diff] [blame] | 493 | ath9k_hw_ani_init(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 494 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 495 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 496 | return 0; |
| 497 | } |
| 498 | |
Luis R. Rodriguez | 8525f28 | 2010-04-15 17:38:19 -0400 | [diff] [blame] | 499 | static void ath9k_hw_attach_ops(struct ath_hw *ah) |
Luis R. Rodriguez | ee2bb46 | 2009-08-03 12:24:39 -0700 | [diff] [blame] | 500 | { |
Luis R. Rodriguez | 8525f28 | 2010-04-15 17:38:19 -0400 | [diff] [blame] | 501 | if (AR_SREV_9300_20_OR_LATER(ah)) |
| 502 | ar9003_hw_attach_ops(ah); |
| 503 | else |
| 504 | ar9002_hw_attach_ops(ah); |
Luis R. Rodriguez | ee2bb46 | 2009-08-03 12:24:39 -0700 | [diff] [blame] | 505 | } |
| 506 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 507 | /* Called for all hardware families */ |
| 508 | static int __ath9k_hw_init(struct ath_hw *ah) |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 509 | { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 510 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | 95fafca | 2009-08-03 12:24:54 -0700 | [diff] [blame] | 511 | int r = 0; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 512 | |
Luis R. Rodriguez | bab1f62 | 2010-04-15 17:38:20 -0400 | [diff] [blame] | 513 | if (ah->hw_version.devid == AR5416_AR9100_DEVID) |
| 514 | ah->hw_version.macVersion = AR_SREV_VERSION_9100; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 515 | |
| 516 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 517 | ath_print(common, ATH_DBG_FATAL, |
| 518 | "Couldn't reset chip\n"); |
Luis R. Rodriguez | 95fafca | 2009-08-03 12:24:54 -0700 | [diff] [blame] | 519 | return -EIO; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 520 | } |
| 521 | |
Luis R. Rodriguez | bab1f62 | 2010-04-15 17:38:20 -0400 | [diff] [blame] | 522 | ath9k_hw_init_defaults(ah); |
| 523 | ath9k_hw_init_config(ah); |
| 524 | |
Luis R. Rodriguez | 8525f28 | 2010-04-15 17:38:19 -0400 | [diff] [blame] | 525 | ath9k_hw_attach_ops(ah); |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 526 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 527 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 528 | ath_print(common, ATH_DBG_FATAL, "Couldn't wakeup chip\n"); |
Luis R. Rodriguez | 95fafca | 2009-08-03 12:24:54 -0700 | [diff] [blame] | 529 | return -EIO; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) { |
| 533 | if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI || |
John W. Linville | 4c85ab1 | 2010-07-28 10:06:35 -0400 | [diff] [blame] | 534 | ((AR_SREV_9160(ah) || AR_SREV_9280(ah)) && |
| 535 | !ah->is_pciexpress)) { |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 536 | ah->config.serialize_regmode = |
| 537 | SER_REG_MODE_ON; |
| 538 | } else { |
| 539 | ah->config.serialize_regmode = |
| 540 | SER_REG_MODE_OFF; |
| 541 | } |
| 542 | } |
| 543 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 544 | ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n", |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 545 | ah->config.serialize_regmode); |
| 546 | |
Luis R. Rodriguez | f4709fd | 2009-11-24 21:37:57 -0500 | [diff] [blame] | 547 | if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) |
| 548 | ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1; |
| 549 | else |
| 550 | ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD; |
| 551 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 552 | if (!ath9k_hw_macversion_supported(ah)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 553 | ath_print(common, ATH_DBG_FATAL, |
| 554 | "Mac Chip Rev 0x%02x.%x is not supported by " |
| 555 | "this driver\n", ah->hw_version.macVersion, |
| 556 | ah->hw_version.macRev); |
Luis R. Rodriguez | 95fafca | 2009-08-03 12:24:54 -0700 | [diff] [blame] | 557 | return -EOPNOTSUPP; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 558 | } |
| 559 | |
Luis R. Rodriguez | 0df13da | 2010-04-15 17:38:59 -0400 | [diff] [blame] | 560 | if (AR_SREV_9271(ah) || AR_SREV_9100(ah)) |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 561 | ah->is_pciexpress = false; |
| 562 | |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 563 | ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID); |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 564 | ath9k_hw_init_cal_settings(ah); |
| 565 | |
| 566 | ah->ani_function = ATH9K_ANI_ALL; |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 567 | if (AR_SREV_9280_20_OR_LATER(ah) && !AR_SREV_9300_20_OR_LATER(ah)) |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 568 | ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL; |
Luis R. Rodriguez | e36b27a | 2010-06-12 00:33:45 -0400 | [diff] [blame] | 569 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 570 | ah->ani_function &= ~ATH9K_ANI_MRC_CCK; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 571 | |
| 572 | ath9k_hw_init_mode_regs(ah); |
| 573 | |
Luis R. Rodriguez | 5efa3a6 | 2010-05-07 18:23:22 -0400 | [diff] [blame] | 574 | /* |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 575 | * Read back AR_WA into a permanent copy and set bits 14 and 17. |
| 576 | * We need to do this to avoid RMW of this register. We cannot |
| 577 | * read the reg when chip is asleep. |
| 578 | */ |
| 579 | ah->WARegVal = REG_READ(ah, AR_WA); |
| 580 | ah->WARegVal |= (AR_WA_D3_L1_DISABLE | |
| 581 | AR_WA_ASPM_TIMER_BASED_DISABLE); |
| 582 | |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 583 | if (ah->is_pciexpress) |
Vivek Natarajan | 93b1b37 | 2009-09-17 09:24:58 +0530 | [diff] [blame] | 584 | ath9k_hw_configpcipowersave(ah, 0, 0); |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 585 | else |
| 586 | ath9k_hw_disablepcie(ah); |
| 587 | |
Luis R. Rodriguez | d8f492b | 2010-04-15 17:39:04 -0400 | [diff] [blame] | 588 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 589 | ar9002_hw_cck_chan14_spread(ah); |
Sujith | 193cd45 | 2009-09-18 15:04:07 +0530 | [diff] [blame] | 590 | |
Luis R. Rodriguez | f637cfd | 2009-08-03 12:24:46 -0700 | [diff] [blame] | 591 | r = ath9k_hw_post_init(ah); |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 592 | if (r) |
Luis R. Rodriguez | 95fafca | 2009-08-03 12:24:54 -0700 | [diff] [blame] | 593 | return r; |
Luis R. Rodriguez | aa4058a | 2009-08-03 12:24:45 -0700 | [diff] [blame] | 594 | |
| 595 | ath9k_hw_init_mode_gain_regs(ah); |
Gabor Juhos | a9a29ce | 2009-11-27 12:01:35 +0100 | [diff] [blame] | 596 | r = ath9k_hw_fill_cap_info(ah); |
| 597 | if (r) |
| 598 | return r; |
| 599 | |
Luis R. Rodriguez | 4f3acf8 | 2009-08-03 12:24:36 -0700 | [diff] [blame] | 600 | r = ath9k_hw_init_macaddr(ah); |
| 601 | if (r) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 602 | ath_print(common, ATH_DBG_FATAL, |
| 603 | "Failed to initialize MAC address\n"); |
Luis R. Rodriguez | 95fafca | 2009-08-03 12:24:54 -0700 | [diff] [blame] | 604 | return r; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 605 | } |
| 606 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 607 | if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 608 | ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 609 | else |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 610 | ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 611 | |
Luis R. Rodriguez | aea702b | 2010-05-13 13:33:43 -0400 | [diff] [blame] | 612 | ah->bb_watchdog_timeout_ms = 25; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 613 | |
Luis R. Rodriguez | 211f585 | 2009-10-06 21:19:07 -0400 | [diff] [blame] | 614 | common->state = ATH_HW_INITIALIZED; |
| 615 | |
Luis R. Rodriguez | 4f3acf8 | 2009-08-03 12:24:36 -0700 | [diff] [blame] | 616 | return 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 617 | } |
| 618 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 619 | int ath9k_hw_init(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 620 | { |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 621 | int ret; |
| 622 | struct ath_common *common = ath9k_hw_common(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 623 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 624 | /* These are all the AR5008/AR9001/AR9002 hardware family of chipsets */ |
| 625 | switch (ah->hw_version.devid) { |
| 626 | case AR5416_DEVID_PCI: |
| 627 | case AR5416_DEVID_PCIE: |
| 628 | case AR5416_AR9100_DEVID: |
| 629 | case AR9160_DEVID_PCI: |
| 630 | case AR9280_DEVID_PCI: |
| 631 | case AR9280_DEVID_PCIE: |
| 632 | case AR9285_DEVID_PCIE: |
Senthil Balasubramanian | db3cc53 | 2010-04-15 17:38:18 -0400 | [diff] [blame] | 633 | case AR9287_DEVID_PCI: |
| 634 | case AR9287_DEVID_PCIE: |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 635 | case AR2427_DEVID_PCIE: |
Senthil Balasubramanian | db3cc53 | 2010-04-15 17:38:18 -0400 | [diff] [blame] | 636 | case AR9300_DEVID_PCIE: |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 637 | break; |
| 638 | default: |
| 639 | if (common->bus_ops->ath_bus_type == ATH_USB) |
| 640 | break; |
| 641 | ath_print(common, ATH_DBG_FATAL, |
| 642 | "Hardware device ID 0x%04x not supported\n", |
| 643 | ah->hw_version.devid); |
| 644 | return -EOPNOTSUPP; |
| 645 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 646 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 647 | ret = __ath9k_hw_init(ah); |
| 648 | if (ret) { |
| 649 | ath_print(common, ATH_DBG_FATAL, |
| 650 | "Unable to initialize hardware; " |
| 651 | "initialization status: %d\n", ret); |
| 652 | return ret; |
| 653 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 654 | |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 655 | return 0; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 656 | } |
Luis R. Rodriguez | d70357d | 2010-04-15 17:38:06 -0400 | [diff] [blame] | 657 | EXPORT_SYMBOL(ath9k_hw_init); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 658 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 659 | static void ath9k_hw_init_qos(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 660 | { |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 661 | ENABLE_REGWRITE_BUFFER(ah); |
| 662 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 663 | REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa); |
| 664 | REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210); |
| 665 | |
| 666 | REG_WRITE(ah, AR_QOS_NO_ACK, |
| 667 | SM(2, AR_QOS_NO_ACK_TWO_BIT) | |
| 668 | SM(5, AR_QOS_NO_ACK_BIT_OFF) | |
| 669 | SM(0, AR_QOS_NO_ACK_BYTE_OFF)); |
| 670 | |
| 671 | REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL); |
| 672 | REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF); |
| 673 | REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF); |
| 674 | REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF); |
| 675 | REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 676 | |
| 677 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 678 | } |
| 679 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 680 | static void ath9k_hw_init_pll(struct ath_hw *ah, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 681 | struct ath9k_channel *chan) |
| 682 | { |
Luis R. Rodriguez | 6477396 | 2010-04-15 17:38:17 -0400 | [diff] [blame] | 683 | u32 pll = ath9k_hw_compute_pll_control(ah, chan); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 684 | |
Gabor Juhos | d03a66c | 2009-01-14 20:17:09 +0100 | [diff] [blame] | 685 | REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 686 | |
Luis R. Rodriguez | c75724d | 2009-10-19 02:33:34 -0400 | [diff] [blame] | 687 | /* Switch the core clock for ar9271 to 117Mhz */ |
| 688 | if (AR_SREV_9271(ah)) { |
Sujith | 25e2ab1 | 2010-03-17 14:25:22 +0530 | [diff] [blame] | 689 | udelay(500); |
| 690 | REG_WRITE(ah, 0x50040, 0x304); |
Luis R. Rodriguez | c75724d | 2009-10-19 02:33:34 -0400 | [diff] [blame] | 691 | } |
| 692 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 693 | udelay(RTC_PLL_SETTLE_DELAY); |
| 694 | |
| 695 | REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK); |
| 696 | } |
| 697 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 698 | static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah, |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 699 | enum nl80211_iftype opmode) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 700 | { |
Pavel Roskin | 152d530 | 2010-03-31 18:05:37 -0400 | [diff] [blame] | 701 | u32 imr_reg = AR_IMR_TXERR | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 702 | AR_IMR_TXURN | |
| 703 | AR_IMR_RXERR | |
| 704 | AR_IMR_RXORN | |
| 705 | AR_IMR_BCNMISC; |
| 706 | |
Vasanthakumar Thiagarajan | 6686024 | 2010-04-15 17:39:07 -0400 | [diff] [blame] | 707 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 708 | imr_reg |= AR_IMR_RXOK_HP; |
| 709 | if (ah->config.rx_intr_mitigation) |
| 710 | imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR; |
| 711 | else |
| 712 | imr_reg |= AR_IMR_RXOK_LP; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 713 | |
Vasanthakumar Thiagarajan | 6686024 | 2010-04-15 17:39:07 -0400 | [diff] [blame] | 714 | } else { |
| 715 | if (ah->config.rx_intr_mitigation) |
| 716 | imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR; |
| 717 | else |
| 718 | imr_reg |= AR_IMR_RXOK; |
| 719 | } |
| 720 | |
| 721 | if (ah->config.tx_intr_mitigation) |
| 722 | imr_reg |= AR_IMR_TXINTM | AR_IMR_TXMINTR; |
| 723 | else |
| 724 | imr_reg |= AR_IMR_TXOK; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 725 | |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 726 | if (opmode == NL80211_IFTYPE_AP) |
Pavel Roskin | 152d530 | 2010-03-31 18:05:37 -0400 | [diff] [blame] | 727 | imr_reg |= AR_IMR_MIB; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 728 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 729 | ENABLE_REGWRITE_BUFFER(ah); |
| 730 | |
Pavel Roskin | 152d530 | 2010-03-31 18:05:37 -0400 | [diff] [blame] | 731 | REG_WRITE(ah, AR_IMR, imr_reg); |
Pavel Roskin | 74bad5c | 2010-02-23 18:15:27 -0500 | [diff] [blame] | 732 | ah->imrs2_reg |= AR_IMR_S2_GTT; |
| 733 | REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 734 | |
| 735 | if (!AR_SREV_9100(ah)) { |
| 736 | REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF); |
| 737 | REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT); |
| 738 | REG_WRITE(ah, AR_INTR_SYNC_MASK, 0); |
| 739 | } |
Vasanthakumar Thiagarajan | 6686024 | 2010-04-15 17:39:07 -0400 | [diff] [blame] | 740 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 741 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 742 | |
Vasanthakumar Thiagarajan | 6686024 | 2010-04-15 17:39:07 -0400 | [diff] [blame] | 743 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 744 | REG_WRITE(ah, AR_INTR_PRIO_ASYNC_ENABLE, 0); |
| 745 | REG_WRITE(ah, AR_INTR_PRIO_ASYNC_MASK, 0); |
| 746 | REG_WRITE(ah, AR_INTR_PRIO_SYNC_ENABLE, 0); |
| 747 | REG_WRITE(ah, AR_INTR_PRIO_SYNC_MASK, 0); |
| 748 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 749 | } |
| 750 | |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 751 | static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 752 | { |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 753 | u32 val = ath9k_hw_mac_to_clks(ah, us); |
| 754 | val = min(val, (u32) 0xFFFF); |
| 755 | REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 756 | } |
| 757 | |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 758 | static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 759 | { |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 760 | u32 val = ath9k_hw_mac_to_clks(ah, us); |
| 761 | val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK)); |
| 762 | REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val); |
| 763 | } |
| 764 | |
| 765 | static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us) |
| 766 | { |
| 767 | u32 val = ath9k_hw_mac_to_clks(ah, us); |
| 768 | val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS)); |
| 769 | REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 770 | } |
| 771 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 772 | static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 773 | { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 774 | if (tu > 0xFFFF) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 775 | ath_print(ath9k_hw_common(ah), ATH_DBG_XMIT, |
| 776 | "bad global tx timeout %u\n", tu); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 777 | ah->globaltxtimeout = (u32) -1; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 778 | return false; |
| 779 | } else { |
| 780 | REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 781 | ah->globaltxtimeout = tu; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 782 | return true; |
| 783 | } |
| 784 | } |
| 785 | |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 786 | void ath9k_hw_init_global_settings(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 787 | { |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 788 | struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; |
| 789 | int acktimeout; |
Felix Fietkau | e239d85 | 2010-01-15 02:34:58 +0100 | [diff] [blame] | 790 | int slottime; |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 791 | int sifstime; |
| 792 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 793 | ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n", |
| 794 | ah->misc_mode); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 795 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 796 | if (ah->misc_mode != 0) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 797 | REG_WRITE(ah, AR_PCU_MISC, |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 798 | REG_READ(ah, AR_PCU_MISC) | ah->misc_mode); |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 799 | |
| 800 | if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ) |
| 801 | sifstime = 16; |
| 802 | else |
| 803 | sifstime = 10; |
| 804 | |
Felix Fietkau | e239d85 | 2010-01-15 02:34:58 +0100 | [diff] [blame] | 805 | /* As defined by IEEE 802.11-2007 17.3.8.6 */ |
| 806 | slottime = ah->slottime + 3 * ah->coverage_class; |
| 807 | acktimeout = slottime + sifstime; |
Felix Fietkau | 42c4568 | 2010-02-11 18:07:19 +0100 | [diff] [blame] | 808 | |
| 809 | /* |
| 810 | * Workaround for early ACK timeouts, add an offset to match the |
| 811 | * initval's 64us ack timeout value. |
| 812 | * This was initially only meant to work around an issue with delayed |
| 813 | * BA frames in some implementations, but it has been found to fix ACK |
| 814 | * timeout issues in other cases as well. |
| 815 | */ |
| 816 | if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) |
| 817 | acktimeout += 64 - sifstime - ah->slottime; |
| 818 | |
Felix Fietkau | e239d85 | 2010-01-15 02:34:58 +0100 | [diff] [blame] | 819 | ath9k_hw_setslottime(ah, slottime); |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 820 | ath9k_hw_set_ack_timeout(ah, acktimeout); |
| 821 | ath9k_hw_set_cts_timeout(ah, acktimeout); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 822 | if (ah->globaltxtimeout != (u32) -1) |
| 823 | ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 824 | } |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 825 | EXPORT_SYMBOL(ath9k_hw_init_global_settings); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 826 | |
Sujith | 285f2dd | 2010-01-08 10:36:07 +0530 | [diff] [blame] | 827 | void ath9k_hw_deinit(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 828 | { |
Luis R. Rodriguez | 211f585 | 2009-10-06 21:19:07 -0400 | [diff] [blame] | 829 | struct ath_common *common = ath9k_hw_common(ah); |
| 830 | |
Sujith | 736b3a2 | 2010-03-17 14:25:24 +0530 | [diff] [blame] | 831 | if (common->state < ATH_HW_INITIALIZED) |
Luis R. Rodriguez | 211f585 | 2009-10-06 21:19:07 -0400 | [diff] [blame] | 832 | goto free_hw; |
| 833 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 834 | ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP); |
Luis R. Rodriguez | 211f585 | 2009-10-06 21:19:07 -0400 | [diff] [blame] | 835 | |
| 836 | free_hw: |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 837 | ath9k_hw_rf_free_ext_banks(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 838 | } |
Sujith | 285f2dd | 2010-01-08 10:36:07 +0530 | [diff] [blame] | 839 | EXPORT_SYMBOL(ath9k_hw_deinit); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 840 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 841 | /*******/ |
| 842 | /* INI */ |
| 843 | /*******/ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 844 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 845 | u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan) |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 846 | { |
| 847 | u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band); |
| 848 | |
| 849 | if (IS_CHAN_B(chan)) |
| 850 | ctl |= CTL_11B; |
| 851 | else if (IS_CHAN_G(chan)) |
| 852 | ctl |= CTL_11G; |
| 853 | else |
| 854 | ctl |= CTL_11A; |
| 855 | |
| 856 | return ctl; |
| 857 | } |
| 858 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 859 | /****************************************/ |
| 860 | /* Reset and Channel Switching Routines */ |
| 861 | /****************************************/ |
| 862 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 863 | static inline void ath9k_hw_set_dma(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 864 | { |
Felix Fietkau | 57b3222 | 2010-04-15 17:39:22 -0400 | [diff] [blame] | 865 | struct ath_common *common = ath9k_hw_common(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 866 | u32 regval; |
| 867 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 868 | ENABLE_REGWRITE_BUFFER(ah); |
| 869 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 870 | /* |
| 871 | * set AHB_MODE not to do cacheline prefetches |
| 872 | */ |
Felix Fietkau | 57b3222 | 2010-04-15 17:39:22 -0400 | [diff] [blame] | 873 | if (!AR_SREV_9300_20_OR_LATER(ah)) { |
| 874 | regval = REG_READ(ah, AR_AHB_MODE); |
| 875 | REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN); |
| 876 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 877 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 878 | /* |
| 879 | * let mac dma reads be in 128 byte chunks |
| 880 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 881 | regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK; |
| 882 | REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B); |
| 883 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 884 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 885 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 886 | /* |
| 887 | * Restore TX Trigger Level to its pre-reset value. |
| 888 | * The initial value depends on whether aggregation is enabled, and is |
| 889 | * adjusted whenever underruns are detected. |
| 890 | */ |
Felix Fietkau | 57b3222 | 2010-04-15 17:39:22 -0400 | [diff] [blame] | 891 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 892 | REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 893 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 894 | ENABLE_REGWRITE_BUFFER(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 895 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 896 | /* |
| 897 | * let mac dma writes be in 128 byte chunks |
| 898 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 899 | regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK; |
| 900 | REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B); |
| 901 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 902 | /* |
| 903 | * Setup receive FIFO threshold to hold off TX activities |
| 904 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 905 | REG_WRITE(ah, AR_RXFIFO_CFG, 0x200); |
| 906 | |
Felix Fietkau | 57b3222 | 2010-04-15 17:39:22 -0400 | [diff] [blame] | 907 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 908 | REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_HP, 0x1); |
| 909 | REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_LP, 0x1); |
| 910 | |
| 911 | ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize - |
| 912 | ah->caps.rx_status_len); |
| 913 | } |
| 914 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 915 | /* |
| 916 | * reduce the number of usable entries in PCU TXBUF to avoid |
| 917 | * wrap around issues. |
| 918 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 919 | if (AR_SREV_9285(ah)) { |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 920 | /* For AR9285 the number of Fifos are reduced to half. |
| 921 | * So set the usable tx buf size also to half to |
| 922 | * avoid data/delimiter underruns |
| 923 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 924 | REG_WRITE(ah, AR_PCU_TXBUF_CTRL, |
| 925 | AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE); |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 926 | } else if (!AR_SREV_9271(ah)) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 927 | REG_WRITE(ah, AR_PCU_TXBUF_CTRL, |
| 928 | AR_PCU_TXBUF_CTRL_USABLE_SIZE); |
| 929 | } |
Vasanthakumar Thiagarajan | 744d402 | 2010-04-15 17:39:27 -0400 | [diff] [blame] | 930 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 931 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 932 | |
Vasanthakumar Thiagarajan | 744d402 | 2010-04-15 17:39:27 -0400 | [diff] [blame] | 933 | if (AR_SREV_9300_20_OR_LATER(ah)) |
| 934 | ath9k_hw_reset_txstatus_ring(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 935 | } |
| 936 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 937 | static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 938 | { |
| 939 | u32 val; |
| 940 | |
| 941 | val = REG_READ(ah, AR_STA_ID1); |
| 942 | val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC); |
| 943 | switch (opmode) { |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 944 | case NL80211_IFTYPE_AP: |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 945 | REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP |
| 946 | | AR_STA_ID1_KSRCH_MODE); |
| 947 | REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION); |
| 948 | break; |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 949 | case NL80211_IFTYPE_ADHOC: |
Pat Erley | 9cb5412 | 2009-03-20 22:59:59 -0400 | [diff] [blame] | 950 | case NL80211_IFTYPE_MESH_POINT: |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 951 | REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC |
| 952 | | AR_STA_ID1_KSRCH_MODE); |
| 953 | REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION); |
| 954 | break; |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 955 | case NL80211_IFTYPE_STATION: |
| 956 | case NL80211_IFTYPE_MONITOR: |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 957 | REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE); |
| 958 | break; |
| 959 | } |
| 960 | } |
| 961 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 962 | void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled, |
| 963 | u32 *coef_mantissa, u32 *coef_exponent) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 964 | { |
| 965 | u32 coef_exp, coef_man; |
| 966 | |
| 967 | for (coef_exp = 31; coef_exp > 0; coef_exp--) |
| 968 | if ((coef_scaled >> coef_exp) & 0x1) |
| 969 | break; |
| 970 | |
| 971 | coef_exp = 14 - (coef_exp - COEF_SCALE_S); |
| 972 | |
| 973 | coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1)); |
| 974 | |
| 975 | *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp); |
| 976 | *coef_exponent = coef_exp - 16; |
| 977 | } |
| 978 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 979 | static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 980 | { |
| 981 | u32 rst_flags; |
| 982 | u32 tmpReg; |
| 983 | |
Sujith | 7076849 | 2009-02-16 13:23:12 +0530 | [diff] [blame] | 984 | if (AR_SREV_9100(ah)) { |
| 985 | u32 val = REG_READ(ah, AR_RTC_DERIVED_CLK); |
| 986 | val &= ~AR_RTC_DERIVED_CLK_PERIOD; |
| 987 | val |= SM(1, AR_RTC_DERIVED_CLK_PERIOD); |
| 988 | REG_WRITE(ah, AR_RTC_DERIVED_CLK, val); |
| 989 | (void)REG_READ(ah, AR_RTC_DERIVED_CLK); |
| 990 | } |
| 991 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 992 | ENABLE_REGWRITE_BUFFER(ah); |
| 993 | |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 994 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 995 | REG_WRITE(ah, AR_WA, ah->WARegVal); |
| 996 | udelay(10); |
| 997 | } |
| 998 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 999 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN | |
| 1000 | AR_RTC_FORCE_WAKE_ON_INT); |
| 1001 | |
| 1002 | if (AR_SREV_9100(ah)) { |
| 1003 | rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD | |
| 1004 | AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET; |
| 1005 | } else { |
| 1006 | tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE); |
| 1007 | if (tmpReg & |
| 1008 | (AR_INTR_SYNC_LOCAL_TIMEOUT | |
| 1009 | AR_INTR_SYNC_RADM_CPL_TIMEOUT)) { |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1010 | u32 val; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1011 | REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0); |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1012 | |
| 1013 | val = AR_RC_HOSTIF; |
| 1014 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 1015 | val |= AR_RC_AHB; |
| 1016 | REG_WRITE(ah, AR_RC, val); |
| 1017 | |
| 1018 | } else if (!AR_SREV_9300_20_OR_LATER(ah)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1019 | REG_WRITE(ah, AR_RC, AR_RC_AHB); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1020 | |
| 1021 | rst_flags = AR_RTC_RC_MAC_WARM; |
| 1022 | if (type == ATH9K_RESET_COLD) |
| 1023 | rst_flags |= AR_RTC_RC_MAC_COLD; |
| 1024 | } |
| 1025 | |
Gabor Juhos | d03a66c | 2009-01-14 20:17:09 +0100 | [diff] [blame] | 1026 | REG_WRITE(ah, AR_RTC_RC, rst_flags); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1027 | |
| 1028 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1029 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1030 | udelay(50); |
| 1031 | |
Gabor Juhos | d03a66c | 2009-01-14 20:17:09 +0100 | [diff] [blame] | 1032 | REG_WRITE(ah, AR_RTC_RC, 0); |
Sujith | 0caa7b1 | 2009-02-16 13:23:20 +0530 | [diff] [blame] | 1033 | if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1034 | ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, |
| 1035 | "RTC stuck in MAC reset\n"); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1036 | return false; |
| 1037 | } |
| 1038 | |
| 1039 | if (!AR_SREV_9100(ah)) |
| 1040 | REG_WRITE(ah, AR_RC, 0); |
| 1041 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1042 | if (AR_SREV_9100(ah)) |
| 1043 | udelay(50); |
| 1044 | |
| 1045 | return true; |
| 1046 | } |
| 1047 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1048 | static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1049 | { |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1050 | ENABLE_REGWRITE_BUFFER(ah); |
| 1051 | |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 1052 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 1053 | REG_WRITE(ah, AR_WA, ah->WARegVal); |
| 1054 | udelay(10); |
| 1055 | } |
| 1056 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1057 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN | |
| 1058 | AR_RTC_FORCE_WAKE_ON_INT); |
| 1059 | |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1060 | if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) |
Vasanthakumar Thiagarajan | 1c29ce6 | 2009-08-31 17:48:36 +0530 | [diff] [blame] | 1061 | REG_WRITE(ah, AR_RC, AR_RC_AHB); |
| 1062 | |
Gabor Juhos | d03a66c | 2009-01-14 20:17:09 +0100 | [diff] [blame] | 1063 | REG_WRITE(ah, AR_RTC_RESET, 0); |
Luis R. Rodriguez | ee03111 | 2010-06-21 18:38:51 -0400 | [diff] [blame] | 1064 | udelay(2); |
Vasanthakumar Thiagarajan | 1c29ce6 | 2009-08-31 17:48:36 +0530 | [diff] [blame] | 1065 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1066 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1067 | |
Senthil Balasubramanian | 84e2169 | 2010-04-15 17:38:30 -0400 | [diff] [blame] | 1068 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 1069 | udelay(2); |
| 1070 | |
| 1071 | if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) |
Vasanthakumar Thiagarajan | 1c29ce6 | 2009-08-31 17:48:36 +0530 | [diff] [blame] | 1072 | REG_WRITE(ah, AR_RC, 0); |
| 1073 | |
Gabor Juhos | d03a66c | 2009-01-14 20:17:09 +0100 | [diff] [blame] | 1074 | REG_WRITE(ah, AR_RTC_RESET, 1); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1075 | |
| 1076 | if (!ath9k_hw_wait(ah, |
| 1077 | AR_RTC_STATUS, |
| 1078 | AR_RTC_STATUS_M, |
Sujith | 0caa7b1 | 2009-02-16 13:23:20 +0530 | [diff] [blame] | 1079 | AR_RTC_STATUS_ON, |
| 1080 | AH_WAIT_TIMEOUT)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1081 | ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, |
| 1082 | "RTC not waking up\n"); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1083 | return false; |
| 1084 | } |
| 1085 | |
| 1086 | ath9k_hw_read_revisions(ah); |
| 1087 | |
| 1088 | return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM); |
| 1089 | } |
| 1090 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1091 | static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1092 | { |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 1093 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 1094 | REG_WRITE(ah, AR_WA, ah->WARegVal); |
| 1095 | udelay(10); |
| 1096 | } |
| 1097 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1098 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, |
| 1099 | AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT); |
| 1100 | |
| 1101 | switch (type) { |
| 1102 | case ATH9K_RESET_POWER_ON: |
| 1103 | return ath9k_hw_set_reset_power_on(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1104 | case ATH9K_RESET_WARM: |
| 1105 | case ATH9K_RESET_COLD: |
| 1106 | return ath9k_hw_set_reset(ah, type); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1107 | default: |
| 1108 | return false; |
| 1109 | } |
| 1110 | } |
| 1111 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1112 | static bool ath9k_hw_chip_reset(struct ath_hw *ah, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1113 | struct ath9k_channel *chan) |
| 1114 | { |
Vivek Natarajan | 42abfbe | 2009-09-17 09:27:59 +0530 | [diff] [blame] | 1115 | if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) { |
Senthil Balasubramanian | 8bd1d07 | 2009-02-12 13:57:03 +0530 | [diff] [blame] | 1116 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) |
| 1117 | return false; |
| 1118 | } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1119 | return false; |
| 1120 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 1121 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1122 | return false; |
| 1123 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1124 | ah->chip_fullsleep = false; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1125 | ath9k_hw_init_pll(ah, chan); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1126 | ath9k_hw_set_rfmode(ah, chan); |
| 1127 | |
| 1128 | return true; |
| 1129 | } |
| 1130 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1131 | static bool ath9k_hw_channel_change(struct ath_hw *ah, |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 1132 | struct ath9k_channel *chan) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1133 | { |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1134 | struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1135 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 1136 | struct ieee80211_channel *channel = chan->chan; |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1137 | u32 qnum; |
Luis R. Rodriguez | 0a3b7ba | 2009-10-19 02:33:40 -0400 | [diff] [blame] | 1138 | int r; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1139 | |
| 1140 | for (qnum = 0; qnum < AR_NUM_QCU; qnum++) { |
| 1141 | if (ath9k_hw_numtxpending(ah, qnum)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1142 | ath_print(common, ATH_DBG_QUEUE, |
| 1143 | "Transmit frames pending on " |
| 1144 | "queue %d\n", qnum); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1145 | return false; |
| 1146 | } |
| 1147 | } |
| 1148 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1149 | if (!ath9k_hw_rfbus_req(ah)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1150 | ath_print(common, ATH_DBG_FATAL, |
| 1151 | "Could not kill baseband RX\n"); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1152 | return false; |
| 1153 | } |
| 1154 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1155 | ath9k_hw_set_channel_regs(ah, chan); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1156 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1157 | r = ath9k_hw_rf_set_freq(ah, chan); |
Luis R. Rodriguez | 0a3b7ba | 2009-10-19 02:33:40 -0400 | [diff] [blame] | 1158 | if (r) { |
| 1159 | ath_print(common, ATH_DBG_FATAL, |
| 1160 | "Failed to set channel\n"); |
| 1161 | return false; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1162 | } |
| 1163 | |
Vasanthakumar Thiagarajan | 8fbff4b | 2009-05-08 17:54:51 -0700 | [diff] [blame] | 1164 | ah->eep_ops->set_txpower(ah, chan, |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1165 | ath9k_regd_get_ctl(regulatory, chan), |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1166 | channel->max_antenna_gain * 2, |
| 1167 | channel->max_power * 2, |
| 1168 | min((u32) MAX_RATE_POWER, |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1169 | (u32) regulatory->power_limit)); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1170 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1171 | ath9k_hw_rfbus_done(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1172 | |
| 1173 | if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan)) |
| 1174 | ath9k_hw_set_delta_slope(ah, chan); |
| 1175 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1176 | ath9k_hw_spur_mitigate_freq(ah, chan); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1177 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1178 | return true; |
| 1179 | } |
| 1180 | |
Felix Fietkau | c9c99e5 | 2010-04-19 19:57:29 +0200 | [diff] [blame] | 1181 | bool ath9k_hw_check_alive(struct ath_hw *ah) |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 1182 | { |
Felix Fietkau | c9c99e5 | 2010-04-19 19:57:29 +0200 | [diff] [blame] | 1183 | int count = 50; |
| 1184 | u32 reg; |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 1185 | |
Felix Fietkau | e17f83e | 2010-09-22 12:34:53 +0200 | [diff] [blame] | 1186 | if (AR_SREV_9285_12_OR_LATER(ah)) |
Felix Fietkau | c9c99e5 | 2010-04-19 19:57:29 +0200 | [diff] [blame] | 1187 | return true; |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 1188 | |
Felix Fietkau | c9c99e5 | 2010-04-19 19:57:29 +0200 | [diff] [blame] | 1189 | do { |
| 1190 | reg = REG_READ(ah, AR_OBS_BUS_1); |
| 1191 | |
| 1192 | if ((reg & 0x7E7FFFEF) == 0x00702400) |
| 1193 | continue; |
| 1194 | |
| 1195 | switch (reg & 0x7E000B00) { |
| 1196 | case 0x1E000000: |
| 1197 | case 0x52000B00: |
| 1198 | case 0x18000B00: |
| 1199 | continue; |
| 1200 | default: |
| 1201 | return true; |
| 1202 | } |
| 1203 | } while (count-- > 0); |
| 1204 | |
| 1205 | return false; |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 1206 | } |
Felix Fietkau | c9c99e5 | 2010-04-19 19:57:29 +0200 | [diff] [blame] | 1207 | EXPORT_SYMBOL(ath9k_hw_check_alive); |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 1208 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1209 | int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, |
Felix Fietkau | 20bd2a0 | 2010-07-31 00:12:00 +0200 | [diff] [blame] | 1210 | struct ath9k_hw_cal_data *caldata, bool bChannelChange) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1211 | { |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 1212 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1213 | u32 saveLedState; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1214 | struct ath9k_channel *curchan = ah->curchan; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1215 | u32 saveDefAntenna; |
| 1216 | u32 macStaId1; |
Sujith | 46fe782 | 2009-09-17 09:25:25 +0530 | [diff] [blame] | 1217 | u64 tsf = 0; |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1218 | int i, r; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1219 | |
Luis R. Rodriguez | 43c2761 | 2009-09-13 21:07:07 -0700 | [diff] [blame] | 1220 | ah->txchainmask = common->tx_chainmask; |
| 1221 | ah->rxchainmask = common->rx_chainmask; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1222 | |
Vasanthakumar Thiagarajan | 9b9cc61 | 2010-04-15 17:39:41 -0400 | [diff] [blame] | 1223 | if (!ah->chip_fullsleep) { |
| 1224 | ath9k_hw_abortpcurecv(ah); |
Felix Fietkau | 9cc2f3e | 2010-07-11 12:48:42 +0200 | [diff] [blame] | 1225 | if (!ath9k_hw_stopdmarecv(ah)) { |
Vasanthakumar Thiagarajan | 9b9cc61 | 2010-04-15 17:39:41 -0400 | [diff] [blame] | 1226 | ath_print(common, ATH_DBG_XMIT, |
| 1227 | "Failed to stop receive dma\n"); |
Felix Fietkau | 9cc2f3e | 2010-07-11 12:48:42 +0200 | [diff] [blame] | 1228 | bChannelChange = false; |
| 1229 | } |
Vasanthakumar Thiagarajan | 9b9cc61 | 2010-04-15 17:39:41 -0400 | [diff] [blame] | 1230 | } |
| 1231 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 1232 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1233 | return -EIO; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1234 | |
Felix Fietkau | d9891c7 | 2010-09-29 17:15:27 +0200 | [diff] [blame] | 1235 | if (curchan && !ah->chip_fullsleep) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1236 | ath9k_hw_getnf(ah, curchan); |
| 1237 | |
Felix Fietkau | 20bd2a0 | 2010-07-31 00:12:00 +0200 | [diff] [blame] | 1238 | ah->caldata = caldata; |
| 1239 | if (caldata && |
| 1240 | (chan->channel != caldata->channel || |
| 1241 | (chan->channelFlags & ~CHANNEL_CW_INT) != |
| 1242 | (caldata->channelFlags & ~CHANNEL_CW_INT))) { |
| 1243 | /* Operating channel changed, reset channel calibration data */ |
| 1244 | memset(caldata, 0, sizeof(*caldata)); |
| 1245 | ath9k_init_nfcal_hist_buffer(ah, chan); |
| 1246 | } |
| 1247 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1248 | if (bChannelChange && |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1249 | (ah->chip_fullsleep != true) && |
| 1250 | (ah->curchan != NULL) && |
| 1251 | (chan->channel != ah->curchan->channel) && |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1252 | ((chan->channelFlags & CHANNEL_ALL) == |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1253 | (ah->curchan->channelFlags & CHANNEL_ALL)) && |
Rajkumar Manoharan | 58d7e0f | 2010-09-08 15:57:12 +0530 | [diff] [blame] | 1254 | (!AR_SREV_9280(ah) || AR_DEVID_7010(ah))) { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1255 | |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 1256 | if (ath9k_hw_channel_change(ah, chan)) { |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1257 | ath9k_hw_loadnf(ah, ah->curchan); |
Felix Fietkau | 00c8659 | 2010-07-30 21:02:09 +0200 | [diff] [blame] | 1258 | ath9k_hw_start_nfcal(ah, true); |
Rajkumar Manoharan | c2ba334 | 2010-09-03 16:00:00 +0530 | [diff] [blame] | 1259 | if (AR_SREV_9271(ah)) |
| 1260 | ar9002_hw_load_ani_reg(ah, chan); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1261 | return 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1262 | } |
| 1263 | } |
| 1264 | |
| 1265 | saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA); |
| 1266 | if (saveDefAntenna == 0) |
| 1267 | saveDefAntenna = 1; |
| 1268 | |
| 1269 | macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; |
| 1270 | |
Sujith | 46fe782 | 2009-09-17 09:25:25 +0530 | [diff] [blame] | 1271 | /* For chips on which RTC reset is done, save TSF before it gets cleared */ |
Felix Fietkau | f860d52 | 2010-06-30 02:07:48 +0200 | [diff] [blame] | 1272 | if (AR_SREV_9100(ah) || |
| 1273 | (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))) |
Sujith | 46fe782 | 2009-09-17 09:25:25 +0530 | [diff] [blame] | 1274 | tsf = ath9k_hw_gettsf64(ah); |
| 1275 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1276 | saveLedState = REG_READ(ah, AR_CFG_LED) & |
| 1277 | (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL | |
| 1278 | AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW); |
| 1279 | |
| 1280 | ath9k_hw_mark_phy_inactive(ah); |
| 1281 | |
Sujith | 05020d2 | 2010-03-17 14:25:23 +0530 | [diff] [blame] | 1282 | /* Only required on the first reset */ |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1283 | if (AR_SREV_9271(ah) && ah->htc_reset_init) { |
| 1284 | REG_WRITE(ah, |
| 1285 | AR9271_RESET_POWER_DOWN_CONTROL, |
| 1286 | AR9271_RADIO_RF_RST); |
| 1287 | udelay(50); |
| 1288 | } |
| 1289 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1290 | if (!ath9k_hw_chip_reset(ah, chan)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1291 | ath_print(common, ATH_DBG_FATAL, "Chip reset failed\n"); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1292 | return -EINVAL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1293 | } |
| 1294 | |
Sujith | 05020d2 | 2010-03-17 14:25:23 +0530 | [diff] [blame] | 1295 | /* Only required on the first reset */ |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1296 | if (AR_SREV_9271(ah) && ah->htc_reset_init) { |
| 1297 | ah->htc_reset_init = false; |
| 1298 | REG_WRITE(ah, |
| 1299 | AR9271_RESET_POWER_DOWN_CONTROL, |
| 1300 | AR9271_GATE_MAC_CTL); |
| 1301 | udelay(50); |
| 1302 | } |
| 1303 | |
Sujith | 46fe782 | 2009-09-17 09:25:25 +0530 | [diff] [blame] | 1304 | /* Restore TSF */ |
Felix Fietkau | f860d52 | 2010-06-30 02:07:48 +0200 | [diff] [blame] | 1305 | if (tsf) |
Sujith | 46fe782 | 2009-09-17 09:25:25 +0530 | [diff] [blame] | 1306 | ath9k_hw_settsf64(ah, tsf); |
| 1307 | |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 1308 | if (AR_SREV_9280_20_OR_LATER(ah)) |
Vasanthakumar Thiagarajan | 369391d | 2009-01-21 19:24:13 +0530 | [diff] [blame] | 1309 | REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1310 | |
Sujith | e9141f7 | 2010-06-01 15:14:10 +0530 | [diff] [blame] | 1311 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 1312 | ar9002_hw_enable_async_fifo(ah); |
| 1313 | |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 1314 | r = ath9k_hw_process_ini(ah, chan); |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1315 | if (r) |
| 1316 | return r; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1317 | |
Felix Fietkau | f860d52 | 2010-06-30 02:07:48 +0200 | [diff] [blame] | 1318 | /* |
| 1319 | * Some AR91xx SoC devices frequently fail to accept TSF writes |
| 1320 | * right after the chip reset. When that happens, write a new |
| 1321 | * value after the initvals have been applied, with an offset |
| 1322 | * based on measured time difference |
| 1323 | */ |
| 1324 | if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) { |
| 1325 | tsf += 1500; |
| 1326 | ath9k_hw_settsf64(ah, tsf); |
| 1327 | } |
| 1328 | |
Jouni Malinen | 0ced0e1 | 2009-01-08 13:32:13 +0200 | [diff] [blame] | 1329 | /* Setup MFP options for CCMP */ |
| 1330 | if (AR_SREV_9280_20_OR_LATER(ah)) { |
| 1331 | /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt |
| 1332 | * frames when constructing CCMP AAD. */ |
| 1333 | REG_RMW_FIELD(ah, AR_AES_MUTE_MASK1, AR_AES_MUTE_MASK1_FC_MGMT, |
| 1334 | 0xc7ff); |
| 1335 | ah->sw_mgmt_crypto = false; |
| 1336 | } else if (AR_SREV_9160_10_OR_LATER(ah)) { |
| 1337 | /* Disable hardware crypto for management frames */ |
| 1338 | REG_CLR_BIT(ah, AR_PCU_MISC_MODE2, |
| 1339 | AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE); |
| 1340 | REG_SET_BIT(ah, AR_PCU_MISC_MODE2, |
| 1341 | AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT); |
| 1342 | ah->sw_mgmt_crypto = true; |
| 1343 | } else |
| 1344 | ah->sw_mgmt_crypto = true; |
| 1345 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1346 | if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan)) |
| 1347 | ath9k_hw_set_delta_slope(ah, chan); |
| 1348 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1349 | ath9k_hw_spur_mitigate_freq(ah, chan); |
Sujith | d650915 | 2009-03-13 08:56:05 +0530 | [diff] [blame] | 1350 | ah->eep_ops->set_board_values(ah, chan); |
Luis R. Rodriguez | a776582 | 2009-10-19 02:33:45 -0400 | [diff] [blame] | 1351 | |
Sujith | 6819d57 | 2010-04-16 11:53:56 +0530 | [diff] [blame] | 1352 | ath9k_hw_set_operating_mode(ah, ah->opmode); |
| 1353 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1354 | ENABLE_REGWRITE_BUFFER(ah); |
| 1355 | |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 1356 | REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr)); |
| 1357 | REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1358 | | macStaId1 |
| 1359 | | AR_STA_ID1_RTS_USE_DEF |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1360 | | (ah->config. |
Sujith | 60b67f5 | 2008-08-07 10:52:38 +0530 | [diff] [blame] | 1361 | ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0) |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1362 | | ah->sta_id1_defaults); |
Luis R. Rodriguez | 13b8155 | 2009-09-10 17:52:45 -0700 | [diff] [blame] | 1363 | ath_hw_setbssidmask(common); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1364 | REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna); |
Luis R. Rodriguez | 3453ad8 | 2009-09-10 08:57:00 -0700 | [diff] [blame] | 1365 | ath9k_hw_write_associd(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1366 | REG_WRITE(ah, AR_ISR, ~0); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1367 | REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); |
| 1368 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1369 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1370 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1371 | r = ath9k_hw_rf_set_freq(ah, chan); |
Luis R. Rodriguez | 0a3b7ba | 2009-10-19 02:33:40 -0400 | [diff] [blame] | 1372 | if (r) |
| 1373 | return r; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1374 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1375 | ENABLE_REGWRITE_BUFFER(ah); |
| 1376 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1377 | for (i = 0; i < AR_NUM_DCU; i++) |
| 1378 | REG_WRITE(ah, AR_DQCUMASK(i), 1 << i); |
| 1379 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1380 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1381 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1382 | ah->intr_txqs = 0; |
| 1383 | for (i = 0; i < ah->caps.total_queues; i++) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1384 | ath9k_hw_resettxqueue(ah, i); |
| 1385 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1386 | ath9k_hw_init_interrupt_masks(ah, ah->opmode); |
Luis R. Rodriguez | e36b27a | 2010-06-12 00:33:45 -0400 | [diff] [blame] | 1387 | ath9k_hw_ani_cache_ini_regs(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1388 | ath9k_hw_init_qos(ah); |
| 1389 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1390 | if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) |
Vasanthakumar Thiagarajan | 500c064 | 2008-09-10 18:50:17 +0530 | [diff] [blame] | 1391 | ath9k_enable_rfkill(ah); |
Johannes Berg | 3b319aa | 2009-06-13 14:50:26 +0530 | [diff] [blame] | 1392 | |
Felix Fietkau | 0005baf | 2010-01-15 02:33:40 +0100 | [diff] [blame] | 1393 | ath9k_hw_init_global_settings(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1394 | |
Luis R. Rodriguez | 6c94fdc | 2010-04-15 17:39:24 -0400 | [diff] [blame] | 1395 | if (!AR_SREV_9300_20_OR_LATER(ah)) { |
Sujith | e9141f7 | 2010-06-01 15:14:10 +0530 | [diff] [blame] | 1396 | ar9002_hw_update_async_fifo(ah); |
Luis R. Rodriguez | 6c94fdc | 2010-04-15 17:39:24 -0400 | [diff] [blame] | 1397 | ar9002_hw_enable_wep_aggregation(ah); |
Vivek Natarajan | ac88b6e | 2009-07-23 10:59:57 +0530 | [diff] [blame] | 1398 | } |
| 1399 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1400 | REG_WRITE(ah, AR_STA_ID1, |
| 1401 | REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM); |
| 1402 | |
| 1403 | ath9k_hw_set_dma(ah); |
| 1404 | |
| 1405 | REG_WRITE(ah, AR_OBS, 8); |
| 1406 | |
Sujith | 0ce024c | 2009-12-14 14:57:00 +0530 | [diff] [blame] | 1407 | if (ah->config.rx_intr_mitigation) { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1408 | REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500); |
| 1409 | REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000); |
| 1410 | } |
| 1411 | |
Vasanthakumar Thiagarajan | 7f62a13 | 2010-04-15 17:39:19 -0400 | [diff] [blame] | 1412 | if (ah->config.tx_intr_mitigation) { |
| 1413 | REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_LAST, 300); |
| 1414 | REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_FIRST, 750); |
| 1415 | } |
| 1416 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1417 | ath9k_hw_init_bb(ah, chan); |
| 1418 | |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1419 | if (!ath9k_hw_init_cal(ah, chan)) |
Joe Perches | 6badaaf | 2009-06-28 09:26:32 -0700 | [diff] [blame] | 1420 | return -EIO; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1421 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1422 | ENABLE_REGWRITE_BUFFER(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1423 | |
Luis R. Rodriguez | 8fe6536 | 2010-04-15 17:38:14 -0400 | [diff] [blame] | 1424 | ath9k_hw_restore_chainmask(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1425 | REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ); |
| 1426 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1427 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1428 | |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1429 | /* |
| 1430 | * For big endian systems turn on swapping for descriptors |
| 1431 | */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1432 | if (AR_SREV_9100(ah)) { |
| 1433 | u32 mask; |
| 1434 | mask = REG_READ(ah, AR_CFG); |
| 1435 | if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1436 | ath_print(common, ATH_DBG_RESET, |
Sujith | 04bd463 | 2008-11-28 22:18:05 +0530 | [diff] [blame] | 1437 | "CFG Byte Swap Set 0x%x\n", mask); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1438 | } else { |
| 1439 | mask = |
| 1440 | INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB; |
| 1441 | REG_WRITE(ah, AR_CFG, mask); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1442 | ath_print(common, ATH_DBG_RESET, |
Sujith | 04bd463 | 2008-11-28 22:18:05 +0530 | [diff] [blame] | 1443 | "Setting CFG 0x%x\n", REG_READ(ah, AR_CFG)); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1444 | } |
| 1445 | } else { |
Sujith | cbba8cd | 2010-06-02 15:53:31 +0530 | [diff] [blame] | 1446 | if (common->bus_ops->ath_bus_type == ATH_USB) { |
| 1447 | /* Configure AR9271 target WLAN */ |
| 1448 | if (AR_SREV_9271(ah)) |
| 1449 | REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB); |
| 1450 | else |
| 1451 | REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD); |
| 1452 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1453 | #ifdef __BIG_ENDIAN |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1454 | else |
| 1455 | REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1456 | #endif |
| 1457 | } |
| 1458 | |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1459 | if (ah->btcoex_hw.enabled) |
Vasanthakumar Thiagarajan | 42cc41e | 2009-08-26 21:08:45 +0530 | [diff] [blame] | 1460 | ath9k_hw_btcoex_enable(ah); |
| 1461 | |
Felix Fietkau | 00c8659 | 2010-07-30 21:02:09 +0200 | [diff] [blame] | 1462 | if (AR_SREV_9300_20_OR_LATER(ah)) |
Luis R. Rodriguez | aea702b | 2010-05-13 13:33:43 -0400 | [diff] [blame] | 1463 | ar9003_hw_bb_watchdog_config(ah); |
Vasanthakumar Thiagarajan | d8903a5 | 2010-04-15 17:39:25 -0400 | [diff] [blame] | 1464 | |
Luis R. Rodriguez | ae8d285 | 2008-12-23 15:58:40 -0800 | [diff] [blame] | 1465 | return 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1466 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 1467 | EXPORT_SYMBOL(ath9k_hw_reset); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1468 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1469 | /******************************/ |
| 1470 | /* Power Management (Chipset) */ |
| 1471 | /******************************/ |
| 1472 | |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1473 | /* |
| 1474 | * Notify Power Mgt is disabled in self-generated frames. |
| 1475 | * If requested, force chip to sleep. |
| 1476 | */ |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1477 | static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1478 | { |
| 1479 | REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); |
| 1480 | if (setChip) { |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1481 | /* |
| 1482 | * Clear the RTC force wake bit to allow the |
| 1483 | * mac to go to sleep. |
| 1484 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1485 | REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, |
| 1486 | AR_RTC_FORCE_WAKE_EN); |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1487 | if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1488 | REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF); |
| 1489 | |
Luis R. Rodriguez | 42d5bc3 | 2010-04-15 17:38:12 -0400 | [diff] [blame] | 1490 | /* Shutdown chip. Active low */ |
Sujith | 14b3af3 | 2010-03-17 14:25:18 +0530 | [diff] [blame] | 1491 | if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah)) |
Sujith | 4921be8 | 2009-09-18 15:04:27 +0530 | [diff] [blame] | 1492 | REG_CLR_BIT(ah, (AR_RTC_RESET), |
| 1493 | AR_RTC_RESET_EN); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1494 | } |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 1495 | |
| 1496 | /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */ |
| 1497 | if (AR_SREV_9300_20_OR_LATER(ah)) |
| 1498 | REG_WRITE(ah, AR_WA, |
| 1499 | ah->WARegVal & ~AR_WA_D3_L1_DISABLE); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
Luis R. Rodriguez | bbd79af | 2010-04-15 17:38:16 -0400 | [diff] [blame] | 1502 | /* |
| 1503 | * Notify Power Management is enabled in self-generating |
| 1504 | * frames. If request, set power mode of chip to |
| 1505 | * auto/normal. Duration in units of 128us (1/8 TU). |
| 1506 | */ |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1507 | static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1508 | { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1509 | REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); |
| 1510 | if (setChip) { |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1511 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1512 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1513 | if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { |
Luis R. Rodriguez | bbd79af | 2010-04-15 17:38:16 -0400 | [diff] [blame] | 1514 | /* Set WakeOnInterrupt bit; clear ForceWake bit */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1515 | REG_WRITE(ah, AR_RTC_FORCE_WAKE, |
| 1516 | AR_RTC_FORCE_WAKE_ON_INT); |
| 1517 | } else { |
Luis R. Rodriguez | bbd79af | 2010-04-15 17:38:16 -0400 | [diff] [blame] | 1518 | /* |
| 1519 | * Clear the RTC force wake bit to allow the |
| 1520 | * mac to go to sleep. |
| 1521 | */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1522 | REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, |
| 1523 | AR_RTC_FORCE_WAKE_EN); |
| 1524 | } |
| 1525 | } |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 1526 | |
| 1527 | /* Clear Bit 14 of AR_WA after putting chip into Net Sleep mode. */ |
| 1528 | if (AR_SREV_9300_20_OR_LATER(ah)) |
| 1529 | REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1530 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1531 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1532 | static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1533 | { |
| 1534 | u32 val; |
| 1535 | int i; |
| 1536 | |
Luis R. Rodriguez | 9a658d2 | 2010-06-21 18:38:47 -0400 | [diff] [blame] | 1537 | /* Set Bits 14 and 17 of AR_WA before powering on the chip. */ |
| 1538 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
| 1539 | REG_WRITE(ah, AR_WA, ah->WARegVal); |
| 1540 | udelay(10); |
| 1541 | } |
| 1542 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1543 | if (setChip) { |
| 1544 | if ((REG_READ(ah, AR_RTC_STATUS) & |
| 1545 | AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) { |
| 1546 | if (ath9k_hw_set_reset_reg(ah, |
| 1547 | ATH9K_RESET_POWER_ON) != true) { |
| 1548 | return false; |
| 1549 | } |
Luis R. Rodriguez | e041228 | 2010-04-15 17:38:15 -0400 | [diff] [blame] | 1550 | if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 1551 | ath9k_hw_init_pll(ah, NULL); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1552 | } |
| 1553 | if (AR_SREV_9100(ah)) |
| 1554 | REG_SET_BIT(ah, AR_RTC_RESET, |
| 1555 | AR_RTC_RESET_EN); |
| 1556 | |
| 1557 | REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, |
| 1558 | AR_RTC_FORCE_WAKE_EN); |
| 1559 | udelay(50); |
| 1560 | |
| 1561 | for (i = POWER_UP_TIME / 50; i > 0; i--) { |
| 1562 | val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M; |
| 1563 | if (val == AR_RTC_STATUS_ON) |
| 1564 | break; |
| 1565 | udelay(50); |
| 1566 | REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, |
| 1567 | AR_RTC_FORCE_WAKE_EN); |
| 1568 | } |
| 1569 | if (i == 0) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1570 | ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL, |
| 1571 | "Failed to wakeup in %uus\n", |
| 1572 | POWER_UP_TIME / 20); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1573 | return false; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1574 | } |
| 1575 | } |
| 1576 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1577 | REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); |
| 1578 | |
| 1579 | return true; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1580 | } |
| 1581 | |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 1582 | bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1583 | { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1584 | struct ath_common *common = ath9k_hw_common(ah); |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1585 | int status = true, setChip = true; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1586 | static const char *modes[] = { |
| 1587 | "AWAKE", |
| 1588 | "FULL-SLEEP", |
| 1589 | "NETWORK SLEEP", |
| 1590 | "UNDEFINED" |
| 1591 | }; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1592 | |
Gabor Juhos | cbdec97 | 2009-07-24 17:27:22 +0200 | [diff] [blame] | 1593 | if (ah->power_mode == mode) |
| 1594 | return status; |
| 1595 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1596 | ath_print(common, ATH_DBG_RESET, "%s -> %s\n", |
| 1597 | modes[ah->power_mode], modes[mode]); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1598 | |
| 1599 | switch (mode) { |
| 1600 | case ATH9K_PM_AWAKE: |
| 1601 | status = ath9k_hw_set_power_awake(ah, setChip); |
| 1602 | break; |
| 1603 | case ATH9K_PM_FULL_SLEEP: |
| 1604 | ath9k_set_power_sleep(ah, setChip); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1605 | ah->chip_fullsleep = true; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1606 | break; |
| 1607 | case ATH9K_PM_NETWORK_SLEEP: |
| 1608 | ath9k_set_power_network_sleep(ah, setChip); |
| 1609 | break; |
| 1610 | default: |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1611 | ath_print(common, ATH_DBG_FATAL, |
| 1612 | "Unknown power mode %u\n", mode); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1613 | return false; |
| 1614 | } |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1615 | ah->power_mode = mode; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1616 | |
| 1617 | return status; |
| 1618 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 1619 | EXPORT_SYMBOL(ath9k_hw_setpower); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1620 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1621 | /*******************/ |
| 1622 | /* Beacon Handling */ |
| 1623 | /*******************/ |
| 1624 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1625 | void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1626 | { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1627 | int flags = 0; |
| 1628 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1629 | ah->beacon_interval = beacon_period; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1630 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1631 | ENABLE_REGWRITE_BUFFER(ah); |
| 1632 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1633 | switch (ah->opmode) { |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1634 | case NL80211_IFTYPE_STATION: |
| 1635 | case NL80211_IFTYPE_MONITOR: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1636 | REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon)); |
| 1637 | REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff); |
| 1638 | REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff); |
| 1639 | flags |= AR_TBTT_TIMER_EN; |
| 1640 | break; |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1641 | case NL80211_IFTYPE_ADHOC: |
Pat Erley | 9cb5412 | 2009-03-20 22:59:59 -0400 | [diff] [blame] | 1642 | case NL80211_IFTYPE_MESH_POINT: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1643 | REG_SET_BIT(ah, AR_TXCFG, |
| 1644 | AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY); |
| 1645 | REG_WRITE(ah, AR_NEXT_NDP_TIMER, |
| 1646 | TU_TO_USEC(next_beacon + |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1647 | (ah->atim_window ? ah-> |
| 1648 | atim_window : 1))); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1649 | flags |= AR_NDP_TIMER_EN; |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1650 | case NL80211_IFTYPE_AP: |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1651 | REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon)); |
| 1652 | REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, |
| 1653 | TU_TO_USEC(next_beacon - |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1654 | ah->config. |
Sujith | 60b67f5 | 2008-08-07 10:52:38 +0530 | [diff] [blame] | 1655 | dma_beacon_response_time)); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1656 | REG_WRITE(ah, AR_NEXT_SWBA, |
| 1657 | TU_TO_USEC(next_beacon - |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1658 | ah->config. |
Sujith | 60b67f5 | 2008-08-07 10:52:38 +0530 | [diff] [blame] | 1659 | sw_beacon_response_time)); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1660 | flags |= |
| 1661 | AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN; |
| 1662 | break; |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1663 | default: |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1664 | ath_print(ath9k_hw_common(ah), ATH_DBG_BEACON, |
| 1665 | "%s: unsupported opmode: %d\n", |
| 1666 | __func__, ah->opmode); |
Colin McCabe | d97809d | 2008-12-01 13:38:55 -0800 | [diff] [blame] | 1667 | return; |
| 1668 | break; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1669 | } |
| 1670 | |
| 1671 | REG_WRITE(ah, AR_BEACON_PERIOD, TU_TO_USEC(beacon_period)); |
| 1672 | REG_WRITE(ah, AR_DMA_BEACON_PERIOD, TU_TO_USEC(beacon_period)); |
| 1673 | REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period)); |
| 1674 | REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period)); |
| 1675 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1676 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1677 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1678 | beacon_period &= ~ATH9K_BEACON_ENA; |
| 1679 | if (beacon_period & ATH9K_BEACON_RESET_TSF) { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1680 | ath9k_hw_reset_tsf(ah); |
| 1681 | } |
| 1682 | |
| 1683 | REG_SET_BIT(ah, AR_TIMER_MODE, flags); |
| 1684 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 1685 | EXPORT_SYMBOL(ath9k_hw_beaconinit); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1686 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1687 | void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1688 | const struct ath9k_beacon_state *bs) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1689 | { |
| 1690 | u32 nextTbtt, beaconintval, dtimperiod, beacontimeout; |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1691 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1692 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1693 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1694 | ENABLE_REGWRITE_BUFFER(ah); |
| 1695 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1696 | REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt)); |
| 1697 | |
| 1698 | REG_WRITE(ah, AR_BEACON_PERIOD, |
| 1699 | TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD)); |
| 1700 | REG_WRITE(ah, AR_DMA_BEACON_PERIOD, |
| 1701 | TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD)); |
| 1702 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1703 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1704 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1705 | REG_RMW_FIELD(ah, AR_RSSI_THR, |
| 1706 | AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold); |
| 1707 | |
| 1708 | beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD; |
| 1709 | |
| 1710 | if (bs->bs_sleepduration > beaconintval) |
| 1711 | beaconintval = bs->bs_sleepduration; |
| 1712 | |
| 1713 | dtimperiod = bs->bs_dtimperiod; |
| 1714 | if (bs->bs_sleepduration > dtimperiod) |
| 1715 | dtimperiod = bs->bs_sleepduration; |
| 1716 | |
| 1717 | if (beaconintval == dtimperiod) |
| 1718 | nextTbtt = bs->bs_nextdtim; |
| 1719 | else |
| 1720 | nextTbtt = bs->bs_nexttbtt; |
| 1721 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1722 | ath_print(common, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim); |
| 1723 | ath_print(common, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt); |
| 1724 | ath_print(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval); |
| 1725 | ath_print(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1726 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1727 | ENABLE_REGWRITE_BUFFER(ah); |
| 1728 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1729 | REG_WRITE(ah, AR_NEXT_DTIM, |
| 1730 | TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP)); |
| 1731 | REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP)); |
| 1732 | |
| 1733 | REG_WRITE(ah, AR_SLEEP1, |
| 1734 | SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT) |
| 1735 | | AR_SLEEP1_ASSUME_DTIM); |
| 1736 | |
Sujith | 60b67f5 | 2008-08-07 10:52:38 +0530 | [diff] [blame] | 1737 | if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1738 | beacontimeout = (BEACON_TIMEOUT_VAL << 3); |
| 1739 | else |
| 1740 | beacontimeout = MIN_BEACON_TIMEOUT_VAL; |
| 1741 | |
| 1742 | REG_WRITE(ah, AR_SLEEP2, |
| 1743 | SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT)); |
| 1744 | |
| 1745 | REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval)); |
| 1746 | REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod)); |
| 1747 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1748 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 1749 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1750 | REG_SET_BIT(ah, AR_TIMER_MODE, |
| 1751 | AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN | |
| 1752 | AR_DTIM_TIMER_EN); |
| 1753 | |
Sujith | 4af9cf4 | 2009-02-12 10:06:47 +0530 | [diff] [blame] | 1754 | /* TSF Out of Range Threshold */ |
| 1755 | REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1756 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 1757 | EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1758 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1759 | /*******************/ |
| 1760 | /* HW Capabilities */ |
| 1761 | /*******************/ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1762 | |
Gabor Juhos | a9a29ce | 2009-11-27 12:01:35 +0100 | [diff] [blame] | 1763 | int ath9k_hw_fill_cap_info(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1764 | { |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1765 | struct ath9k_hw_capabilities *pCap = &ah->caps; |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1766 | struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1767 | struct ath_common *common = ath9k_hw_common(ah); |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1768 | struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1769 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1770 | u16 capField = 0, eeval; |
Vasanthakumar Thiagarajan | 754dc53 | 2010-09-02 01:34:41 -0700 | [diff] [blame] | 1771 | u8 ant_div_ctl1; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1772 | |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1773 | eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0); |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1774 | regulatory->current_rd = eeval; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1775 | |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1776 | eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1); |
Felix Fietkau | e17f83e | 2010-09-22 12:34:53 +0200 | [diff] [blame] | 1777 | if (AR_SREV_9285_12_OR_LATER(ah)) |
Sujith | fec0de1 | 2009-02-12 10:06:43 +0530 | [diff] [blame] | 1778 | eeval |= AR9285_RDEXT_DEFAULT; |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1779 | regulatory->current_rd_ext = eeval; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1780 | |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1781 | capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1782 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1783 | if (ah->opmode != NL80211_IFTYPE_AP && |
Sujith | d535a42 | 2009-02-09 13:27:06 +0530 | [diff] [blame] | 1784 | ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) { |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1785 | if (regulatory->current_rd == 0x64 || |
| 1786 | regulatory->current_rd == 0x65) |
| 1787 | regulatory->current_rd += 5; |
| 1788 | else if (regulatory->current_rd == 0x41) |
| 1789 | regulatory->current_rd = 0x43; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 1790 | ath_print(common, ATH_DBG_REGULATORY, |
| 1791 | "regdomain mapped to 0x%x\n", regulatory->current_rd); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1792 | } |
Sujith | dc2222a | 2008-08-14 13:26:55 +0530 | [diff] [blame] | 1793 | |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1794 | eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE); |
Gabor Juhos | a9a29ce | 2009-11-27 12:01:35 +0100 | [diff] [blame] | 1795 | if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) { |
| 1796 | ath_print(common, ATH_DBG_FATAL, |
| 1797 | "no band has been marked as supported in EEPROM.\n"); |
| 1798 | return -EINVAL; |
| 1799 | } |
| 1800 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1801 | bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1802 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1803 | if (eeval & AR5416_OPFLAGS_11A) { |
| 1804 | set_bit(ATH9K_MODE_11A, pCap->wireless_modes); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1805 | if (ah->config.ht_enable) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1806 | if (!(eeval & AR5416_OPFLAGS_N_5G_HT20)) |
| 1807 | set_bit(ATH9K_MODE_11NA_HT20, |
| 1808 | pCap->wireless_modes); |
| 1809 | if (!(eeval & AR5416_OPFLAGS_N_5G_HT40)) { |
| 1810 | set_bit(ATH9K_MODE_11NA_HT40PLUS, |
| 1811 | pCap->wireless_modes); |
| 1812 | set_bit(ATH9K_MODE_11NA_HT40MINUS, |
| 1813 | pCap->wireless_modes); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1814 | } |
| 1815 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1816 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1817 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1818 | if (eeval & AR5416_OPFLAGS_11G) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1819 | set_bit(ATH9K_MODE_11G, pCap->wireless_modes); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1820 | if (ah->config.ht_enable) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1821 | if (!(eeval & AR5416_OPFLAGS_N_2G_HT20)) |
| 1822 | set_bit(ATH9K_MODE_11NG_HT20, |
| 1823 | pCap->wireless_modes); |
| 1824 | if (!(eeval & AR5416_OPFLAGS_N_2G_HT40)) { |
| 1825 | set_bit(ATH9K_MODE_11NG_HT40PLUS, |
| 1826 | pCap->wireless_modes); |
| 1827 | set_bit(ATH9K_MODE_11NG_HT40MINUS, |
| 1828 | pCap->wireless_modes); |
| 1829 | } |
| 1830 | } |
Luis R. Rodriguez | 6f25542 | 2008-10-03 15:45:27 -0700 | [diff] [blame] | 1831 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1832 | |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1833 | pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK); |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1834 | /* |
| 1835 | * For AR9271 we will temporarilly uses the rx chainmax as read from |
| 1836 | * the EEPROM. |
| 1837 | */ |
Sujith | 8147f5d | 2009-02-20 15:13:23 +0530 | [diff] [blame] | 1838 | if ((ah->hw_version.devid == AR5416_DEVID_PCI) && |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1839 | !(eeval & AR5416_OPFLAGS_11A) && |
| 1840 | !(AR_SREV_9271(ah))) |
| 1841 | /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */ |
Sujith | 8147f5d | 2009-02-20 15:13:23 +0530 | [diff] [blame] | 1842 | pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7; |
| 1843 | else |
Luis R. Rodriguez | d7e7d22 | 2009-08-03 23:14:12 -0400 | [diff] [blame] | 1844 | /* Use rx_chainmask from EEPROM. */ |
Sujith | 8147f5d | 2009-02-20 15:13:23 +0530 | [diff] [blame] | 1845 | pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1846 | |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 1847 | ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1848 | |
| 1849 | pCap->low_2ghz_chan = 2312; |
| 1850 | pCap->high_2ghz_chan = 2732; |
| 1851 | |
| 1852 | pCap->low_5ghz_chan = 4920; |
| 1853 | pCap->high_5ghz_chan = 6100; |
| 1854 | |
Bruno Randolf | ce2220d | 2010-09-17 11:36:25 +0900 | [diff] [blame] | 1855 | common->crypt_caps |= ATH_CRYPT_CAP_CIPHER_AESCCM; |
| 1856 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1857 | if (ah->config.ht_enable) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1858 | pCap->hw_caps |= ATH9K_HW_CAP_HT; |
| 1859 | else |
| 1860 | pCap->hw_caps &= ~ATH9K_HW_CAP_HT; |
| 1861 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1862 | if (capField & AR_EEPROM_EEPCAP_MAXQCU) |
| 1863 | pCap->total_queues = |
| 1864 | MS(capField, AR_EEPROM_EEPCAP_MAXQCU); |
| 1865 | else |
| 1866 | pCap->total_queues = ATH9K_NUM_TX_QUEUES; |
| 1867 | |
| 1868 | if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES) |
| 1869 | pCap->keycache_size = |
| 1870 | 1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES); |
| 1871 | else |
| 1872 | pCap->keycache_size = AR_KEYTABLE_SIZE; |
| 1873 | |
Luis R. Rodriguez | f4709fd | 2009-11-24 21:37:57 -0500 | [diff] [blame] | 1874 | if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) |
| 1875 | pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1; |
| 1876 | else |
| 1877 | pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1878 | |
Sujith | 5b5fa35 | 2010-03-17 14:25:15 +0530 | [diff] [blame] | 1879 | if (AR_SREV_9271(ah)) |
| 1880 | pCap->num_gpio_pins = AR9271_NUM_GPIO; |
Sujith | 88c1f4f | 2010-06-30 14:46:31 +0530 | [diff] [blame] | 1881 | else if (AR_DEVID_7010(ah)) |
| 1882 | pCap->num_gpio_pins = AR7010_NUM_GPIO; |
Felix Fietkau | e17f83e | 2010-09-22 12:34:53 +0200 | [diff] [blame] | 1883 | else if (AR_SREV_9285_12_OR_LATER(ah)) |
Senthil Balasubramanian | cb33c41 | 2008-12-24 18:03:58 +0530 | [diff] [blame] | 1884 | pCap->num_gpio_pins = AR9285_NUM_GPIO; |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 1885 | else if (AR_SREV_9280_20_OR_LATER(ah)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1886 | pCap->num_gpio_pins = AR928X_NUM_GPIO; |
| 1887 | else |
| 1888 | pCap->num_gpio_pins = AR_NUM_GPIO; |
| 1889 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1890 | if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) { |
| 1891 | pCap->hw_caps |= ATH9K_HW_CAP_CST; |
| 1892 | pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX; |
| 1893 | } else { |
| 1894 | pCap->rts_aggr_limit = (8 * 1024); |
| 1895 | } |
| 1896 | |
| 1897 | pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM; |
| 1898 | |
Senthil Balasubramanian | e97275c | 2008-11-13 18:00:02 +0530 | [diff] [blame] | 1899 | #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE) |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 1900 | ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT); |
| 1901 | if (ah->rfsilent & EEP_RFSILENT_ENABLED) { |
| 1902 | ah->rfkill_gpio = |
| 1903 | MS(ah->rfsilent, EEP_RFSILENT_GPIO_SEL); |
| 1904 | ah->rfkill_polarity = |
| 1905 | MS(ah->rfsilent, EEP_RFSILENT_POLARITY); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1906 | |
| 1907 | pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT; |
| 1908 | } |
| 1909 | #endif |
Vasanthakumar Thiagarajan | d5d1154 | 2010-05-17 18:57:56 -0700 | [diff] [blame] | 1910 | if (AR_SREV_9271(ah) || AR_SREV_9300_20_OR_LATER(ah)) |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 1911 | pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP; |
| 1912 | else |
| 1913 | pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1914 | |
Senthil Balasubramanian | e759407 | 2008-12-08 19:43:48 +0530 | [diff] [blame] | 1915 | if (AR_SREV_9280(ah) || AR_SREV_9285(ah)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1916 | pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS; |
| 1917 | else |
| 1918 | pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS; |
| 1919 | |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 1920 | if (regulatory->current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) { |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1921 | pCap->reg_cap = |
| 1922 | AR_EEPROM_EEREGCAP_EN_KK_NEW_11A | |
| 1923 | AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN | |
| 1924 | AR_EEPROM_EEREGCAP_EN_KK_U2 | |
| 1925 | AR_EEPROM_EEREGCAP_EN_KK_MIDBAND; |
| 1926 | } else { |
| 1927 | pCap->reg_cap = |
| 1928 | AR_EEPROM_EEREGCAP_EN_KK_NEW_11A | |
| 1929 | AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN; |
| 1930 | } |
| 1931 | |
Senthil Balasubramanian | ebb90cf | 2009-09-18 15:07:33 +0530 | [diff] [blame] | 1932 | /* Advertise midband for AR5416 with FCC midband set in eeprom */ |
| 1933 | if (regulatory->current_rd_ext & (1 << REG_EXT_FCC_MIDBAND) && |
| 1934 | AR_SREV_5416(ah)) |
| 1935 | pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1936 | |
| 1937 | pCap->num_antcfg_5ghz = |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1938 | ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_5GHZ); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1939 | pCap->num_antcfg_2ghz = |
Sujith | f74df6f | 2009-02-09 13:27:24 +0530 | [diff] [blame] | 1940 | ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1941 | |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 1942 | if (AR_SREV_9280_20_OR_LATER(ah) && |
Luis R. Rodriguez | a36cfbc | 2009-09-09 16:05:32 -0700 | [diff] [blame] | 1943 | ath9k_hw_btcoex_supported(ah)) { |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1944 | btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO; |
| 1945 | btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO; |
Vasanthakumar Thiagarajan | 22f25d0 | 2009-08-26 21:08:47 +0530 | [diff] [blame] | 1946 | |
Vasanthakumar Thiagarajan | 8c8f9ba | 2009-09-09 15:25:52 +0530 | [diff] [blame] | 1947 | if (AR_SREV_9285(ah)) { |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1948 | btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE; |
| 1949 | btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO; |
Vasanthakumar Thiagarajan | 8c8f9ba | 2009-09-09 15:25:52 +0530 | [diff] [blame] | 1950 | } else { |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1951 | btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE; |
Vasanthakumar Thiagarajan | 8c8f9ba | 2009-09-09 15:25:52 +0530 | [diff] [blame] | 1952 | } |
Vasanthakumar Thiagarajan | 22f25d0 | 2009-08-26 21:08:47 +0530 | [diff] [blame] | 1953 | } else { |
Luis R. Rodriguez | 766ec4a | 2009-09-09 14:52:02 -0700 | [diff] [blame] | 1954 | btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE; |
Vasanthakumar Thiagarajan | c97c92d | 2009-01-02 15:35:46 +0530 | [diff] [blame] | 1955 | } |
Gabor Juhos | a9a29ce | 2009-11-27 12:01:35 +0100 | [diff] [blame] | 1956 | |
Vasanthakumar Thiagarajan | ceb2644 | 2010-04-15 17:38:25 -0400 | [diff] [blame] | 1957 | if (AR_SREV_9300_20_OR_LATER(ah)) { |
Vasanthakumar Thiagarajan | e555372 | 2010-04-26 15:04:33 -0400 | [diff] [blame] | 1958 | pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_LDPC | |
| 1959 | ATH9K_HW_CAP_FASTCLOCK; |
Vasanthakumar Thiagarajan | ceb2644 | 2010-04-15 17:38:25 -0400 | [diff] [blame] | 1960 | pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH; |
| 1961 | pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH; |
| 1962 | pCap->rx_status_len = sizeof(struct ar9003_rxs); |
Vasanthakumar Thiagarajan | 162c3be | 2010-04-15 17:38:41 -0400 | [diff] [blame] | 1963 | pCap->tx_desc_len = sizeof(struct ar9003_txc); |
Vasanthakumar Thiagarajan | 5088c2f | 2010-04-15 17:39:34 -0400 | [diff] [blame] | 1964 | pCap->txs_len = sizeof(struct ar9003_txs); |
Felix Fietkau | 4935250 | 2010-06-12 00:33:59 -0400 | [diff] [blame] | 1965 | if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) |
| 1966 | pCap->hw_caps |= ATH9K_HW_CAP_PAPRD; |
Vasanthakumar Thiagarajan | 162c3be | 2010-04-15 17:38:41 -0400 | [diff] [blame] | 1967 | } else { |
| 1968 | pCap->tx_desc_len = sizeof(struct ath_desc); |
Felix Fietkau | 6b42e8d | 2010-04-26 15:04:35 -0400 | [diff] [blame] | 1969 | if (AR_SREV_9280_20(ah) && |
| 1970 | ((ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) <= |
| 1971 | AR5416_EEP_MINOR_VER_16) || |
| 1972 | ah->eep_ops->get_eeprom(ah, EEP_FSTCLK_5G))) |
| 1973 | pCap->hw_caps |= ATH9K_HW_CAP_FASTCLOCK; |
Vasanthakumar Thiagarajan | ceb2644 | 2010-04-15 17:38:25 -0400 | [diff] [blame] | 1974 | } |
Vasanthakumar Thiagarajan | 1adf02f | 2010-04-15 17:38:24 -0400 | [diff] [blame] | 1975 | |
Vasanthakumar Thiagarajan | 6c84ce0 | 2010-04-15 17:39:16 -0400 | [diff] [blame] | 1976 | if (AR_SREV_9300_20_OR_LATER(ah)) |
| 1977 | pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED; |
| 1978 | |
Felix Fietkau | a42acef | 2010-09-22 12:34:54 +0200 | [diff] [blame] | 1979 | if (AR_SREV_9287_11_OR_LATER(ah) || AR_SREV_9271(ah)) |
Vasanthakumar Thiagarajan | 6473d24 | 2010-05-13 18:42:38 -0700 | [diff] [blame] | 1980 | pCap->hw_caps |= ATH9K_HW_CAP_SGI_20; |
| 1981 | |
Vasanthakumar Thiagarajan | 754dc53 | 2010-09-02 01:34:41 -0700 | [diff] [blame] | 1982 | if (AR_SREV_9285(ah)) |
| 1983 | if (ah->eep_ops->get_eeprom(ah, EEP_MODAL_VER) >= 3) { |
| 1984 | ant_div_ctl1 = |
| 1985 | ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1); |
| 1986 | if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1)) |
| 1987 | pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB; |
| 1988 | } |
| 1989 | |
Gabor Juhos | a9a29ce | 2009-11-27 12:01:35 +0100 | [diff] [blame] | 1990 | return 0; |
Luis R. Rodriguez | 6f25542 | 2008-10-03 15:45:27 -0700 | [diff] [blame] | 1991 | } |
| 1992 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1993 | /****************************/ |
| 1994 | /* GPIO / RFKILL / Antennae */ |
| 1995 | /****************************/ |
| 1996 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 1997 | static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 1998 | u32 gpio, u32 type) |
| 1999 | { |
| 2000 | int addr; |
| 2001 | u32 gpio_shift, tmp; |
| 2002 | |
| 2003 | if (gpio > 11) |
| 2004 | addr = AR_GPIO_OUTPUT_MUX3; |
| 2005 | else if (gpio > 5) |
| 2006 | addr = AR_GPIO_OUTPUT_MUX2; |
| 2007 | else |
| 2008 | addr = AR_GPIO_OUTPUT_MUX1; |
| 2009 | |
| 2010 | gpio_shift = (gpio % 6) * 5; |
| 2011 | |
| 2012 | if (AR_SREV_9280_20_OR_LATER(ah) |
| 2013 | || (addr != AR_GPIO_OUTPUT_MUX1)) { |
| 2014 | REG_RMW(ah, addr, (type << gpio_shift), |
| 2015 | (0x1f << gpio_shift)); |
| 2016 | } else { |
| 2017 | tmp = REG_READ(ah, addr); |
| 2018 | tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0); |
| 2019 | tmp &= ~(0x1f << gpio_shift); |
| 2020 | tmp |= (type << gpio_shift); |
| 2021 | REG_WRITE(ah, addr, tmp); |
| 2022 | } |
| 2023 | } |
| 2024 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2025 | void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2026 | { |
| 2027 | u32 gpio_shift; |
| 2028 | |
Luis R. Rodriguez | 9680e8a | 2009-09-13 23:28:00 -0700 | [diff] [blame] | 2029 | BUG_ON(gpio >= ah->caps.num_gpio_pins); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2030 | |
Sujith | 88c1f4f | 2010-06-30 14:46:31 +0530 | [diff] [blame] | 2031 | if (AR_DEVID_7010(ah)) { |
| 2032 | gpio_shift = gpio; |
| 2033 | REG_RMW(ah, AR7010_GPIO_OE, |
| 2034 | (AR7010_GPIO_OE_AS_INPUT << gpio_shift), |
| 2035 | (AR7010_GPIO_OE_MASK << gpio_shift)); |
| 2036 | return; |
| 2037 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2038 | |
Sujith | 88c1f4f | 2010-06-30 14:46:31 +0530 | [diff] [blame] | 2039 | gpio_shift = gpio << 1; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2040 | REG_RMW(ah, |
| 2041 | AR_GPIO_OE_OUT, |
| 2042 | (AR_GPIO_OE_OUT_DRV_NO << gpio_shift), |
| 2043 | (AR_GPIO_OE_OUT_DRV << gpio_shift)); |
| 2044 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2045 | EXPORT_SYMBOL(ath9k_hw_cfg_gpio_input); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2046 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2047 | u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2048 | { |
Senthil Balasubramanian | cb33c41 | 2008-12-24 18:03:58 +0530 | [diff] [blame] | 2049 | #define MS_REG_READ(x, y) \ |
| 2050 | (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & (AR_GPIO_BIT(y))) |
| 2051 | |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 2052 | if (gpio >= ah->caps.num_gpio_pins) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2053 | return 0xffffffff; |
| 2054 | |
Sujith | 88c1f4f | 2010-06-30 14:46:31 +0530 | [diff] [blame] | 2055 | if (AR_DEVID_7010(ah)) { |
| 2056 | u32 val; |
| 2057 | val = REG_READ(ah, AR7010_GPIO_IN); |
| 2058 | return (MS(val, AR7010_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) == 0; |
| 2059 | } else if (AR_SREV_9300_20_OR_LATER(ah)) |
Felix Fietkau | 783dfca | 2010-04-15 17:38:11 -0400 | [diff] [blame] | 2060 | return MS_REG_READ(AR9300, gpio) != 0; |
| 2061 | else if (AR_SREV_9271(ah)) |
Sujith | 5b5fa35 | 2010-03-17 14:25:15 +0530 | [diff] [blame] | 2062 | return MS_REG_READ(AR9271, gpio) != 0; |
Felix Fietkau | a42acef | 2010-09-22 12:34:54 +0200 | [diff] [blame] | 2063 | else if (AR_SREV_9287_11_OR_LATER(ah)) |
Vivek Natarajan | ac88b6e | 2009-07-23 10:59:57 +0530 | [diff] [blame] | 2064 | return MS_REG_READ(AR9287, gpio) != 0; |
Felix Fietkau | e17f83e | 2010-09-22 12:34:53 +0200 | [diff] [blame] | 2065 | else if (AR_SREV_9285_12_OR_LATER(ah)) |
Senthil Balasubramanian | cb33c41 | 2008-12-24 18:03:58 +0530 | [diff] [blame] | 2066 | return MS_REG_READ(AR9285, gpio) != 0; |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 2067 | else if (AR_SREV_9280_20_OR_LATER(ah)) |
Senthil Balasubramanian | cb33c41 | 2008-12-24 18:03:58 +0530 | [diff] [blame] | 2068 | return MS_REG_READ(AR928X, gpio) != 0; |
| 2069 | else |
| 2070 | return MS_REG_READ(AR, gpio) != 0; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2071 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2072 | EXPORT_SYMBOL(ath9k_hw_gpio_get); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2073 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2074 | void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio, |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2075 | u32 ah_signal_type) |
| 2076 | { |
| 2077 | u32 gpio_shift; |
| 2078 | |
Sujith | 88c1f4f | 2010-06-30 14:46:31 +0530 | [diff] [blame] | 2079 | if (AR_DEVID_7010(ah)) { |
| 2080 | gpio_shift = gpio; |
| 2081 | REG_RMW(ah, AR7010_GPIO_OE, |
| 2082 | (AR7010_GPIO_OE_AS_OUTPUT << gpio_shift), |
| 2083 | (AR7010_GPIO_OE_MASK << gpio_shift)); |
| 2084 | return; |
| 2085 | } |
| 2086 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2087 | ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2088 | gpio_shift = 2 * gpio; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2089 | REG_RMW(ah, |
| 2090 | AR_GPIO_OE_OUT, |
| 2091 | (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift), |
| 2092 | (AR_GPIO_OE_OUT_DRV << gpio_shift)); |
| 2093 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2094 | EXPORT_SYMBOL(ath9k_hw_cfg_output); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2095 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2096 | void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2097 | { |
Sujith | 88c1f4f | 2010-06-30 14:46:31 +0530 | [diff] [blame] | 2098 | if (AR_DEVID_7010(ah)) { |
| 2099 | val = val ? 0 : 1; |
| 2100 | REG_RMW(ah, AR7010_GPIO_OUT, ((val&1) << gpio), |
| 2101 | AR_GPIO_BIT(gpio)); |
| 2102 | return; |
| 2103 | } |
| 2104 | |
Sujith | 5b5fa35 | 2010-03-17 14:25:15 +0530 | [diff] [blame] | 2105 | if (AR_SREV_9271(ah)) |
| 2106 | val = ~val; |
| 2107 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2108 | REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio), |
| 2109 | AR_GPIO_BIT(gpio)); |
| 2110 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2111 | EXPORT_SYMBOL(ath9k_hw_set_gpio); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2112 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2113 | u32 ath9k_hw_getdefantenna(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2114 | { |
| 2115 | return REG_READ(ah, AR_DEF_ANTENNA) & 0x7; |
| 2116 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2117 | EXPORT_SYMBOL(ath9k_hw_getdefantenna); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2118 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2119 | void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2120 | { |
| 2121 | REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7)); |
| 2122 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2123 | EXPORT_SYMBOL(ath9k_hw_setantenna); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2124 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2125 | /*********************/ |
| 2126 | /* General Operation */ |
| 2127 | /*********************/ |
| 2128 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2129 | u32 ath9k_hw_getrxfilter(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2130 | { |
| 2131 | u32 bits = REG_READ(ah, AR_RX_FILTER); |
| 2132 | u32 phybits = REG_READ(ah, AR_PHY_ERR); |
| 2133 | |
| 2134 | if (phybits & AR_PHY_ERR_RADAR) |
| 2135 | bits |= ATH9K_RX_FILTER_PHYRADAR; |
| 2136 | if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING)) |
| 2137 | bits |= ATH9K_RX_FILTER_PHYERR; |
| 2138 | |
| 2139 | return bits; |
| 2140 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2141 | EXPORT_SYMBOL(ath9k_hw_getrxfilter); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2142 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2143 | void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2144 | { |
| 2145 | u32 phybits; |
| 2146 | |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 2147 | ENABLE_REGWRITE_BUFFER(ah); |
| 2148 | |
Sujith | 7ea310b | 2009-09-03 12:08:43 +0530 | [diff] [blame] | 2149 | REG_WRITE(ah, AR_RX_FILTER, bits); |
| 2150 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2151 | phybits = 0; |
| 2152 | if (bits & ATH9K_RX_FILTER_PHYRADAR) |
| 2153 | phybits |= AR_PHY_ERR_RADAR; |
| 2154 | if (bits & ATH9K_RX_FILTER_PHYERR) |
| 2155 | phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING; |
| 2156 | REG_WRITE(ah, AR_PHY_ERR, phybits); |
| 2157 | |
| 2158 | if (phybits) |
| 2159 | REG_WRITE(ah, AR_RXCFG, |
| 2160 | REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA); |
| 2161 | else |
| 2162 | REG_WRITE(ah, AR_RXCFG, |
| 2163 | REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA); |
Sujith | 7d0d0df | 2010-04-16 11:53:57 +0530 | [diff] [blame] | 2164 | |
| 2165 | REGWRITE_BUFFER_FLUSH(ah); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2166 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2167 | EXPORT_SYMBOL(ath9k_hw_setrxfilter); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2168 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2169 | bool ath9k_hw_phy_disable(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2170 | { |
Senthil Balasubramanian | 63a75b9 | 2009-09-18 15:07:03 +0530 | [diff] [blame] | 2171 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) |
| 2172 | return false; |
| 2173 | |
| 2174 | ath9k_hw_init_pll(ah, NULL); |
| 2175 | return true; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2176 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2177 | EXPORT_SYMBOL(ath9k_hw_phy_disable); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2178 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2179 | bool ath9k_hw_disable(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2180 | { |
Luis R. Rodriguez | 9ecdef4 | 2009-09-09 21:10:09 -0700 | [diff] [blame] | 2181 | if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2182 | return false; |
| 2183 | |
Senthil Balasubramanian | 63a75b9 | 2009-09-18 15:07:03 +0530 | [diff] [blame] | 2184 | if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD)) |
| 2185 | return false; |
| 2186 | |
| 2187 | ath9k_hw_init_pll(ah, NULL); |
| 2188 | return true; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2189 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2190 | EXPORT_SYMBOL(ath9k_hw_disable); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2191 | |
Vasanthakumar Thiagarajan | 8fbff4b | 2009-05-08 17:54:51 -0700 | [diff] [blame] | 2192 | void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2193 | { |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 2194 | struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 2195 | struct ath9k_channel *chan = ah->curchan; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 2196 | struct ieee80211_channel *channel = chan->chan; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2197 | |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 2198 | regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2199 | |
Vasanthakumar Thiagarajan | 8fbff4b | 2009-05-08 17:54:51 -0700 | [diff] [blame] | 2200 | ah->eep_ops->set_txpower(ah, chan, |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 2201 | ath9k_regd_get_ctl(regulatory, chan), |
Vasanthakumar Thiagarajan | 8fbff4b | 2009-05-08 17:54:51 -0700 | [diff] [blame] | 2202 | channel->max_antenna_gain * 2, |
| 2203 | channel->max_power * 2, |
| 2204 | min((u32) MAX_RATE_POWER, |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 2205 | (u32) regulatory->power_limit)); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2206 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2207 | EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2208 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2209 | void ath9k_hw_setopmode(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2210 | { |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 2211 | ath9k_hw_set_operating_mode(ah, ah->opmode); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2212 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2213 | EXPORT_SYMBOL(ath9k_hw_setopmode); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2214 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2215 | void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2216 | { |
| 2217 | REG_WRITE(ah, AR_MCAST_FIL0, filter0); |
| 2218 | REG_WRITE(ah, AR_MCAST_FIL1, filter1); |
| 2219 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2220 | EXPORT_SYMBOL(ath9k_hw_setmcastfilter); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2221 | |
Luis R. Rodriguez | f2b2143 | 2009-09-10 08:50:20 -0700 | [diff] [blame] | 2222 | void ath9k_hw_write_associd(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2223 | { |
Luis R. Rodriguez | 1510718 | 2009-09-10 09:22:37 -0700 | [diff] [blame] | 2224 | struct ath_common *common = ath9k_hw_common(ah); |
| 2225 | |
| 2226 | REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid)); |
| 2227 | REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) | |
| 2228 | ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S)); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2229 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2230 | EXPORT_SYMBOL(ath9k_hw_write_associd); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2231 | |
Benoit Papillault | 1c0fc65 | 2010-04-16 00:07:26 +0200 | [diff] [blame] | 2232 | #define ATH9K_MAX_TSF_READ 10 |
| 2233 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2234 | u64 ath9k_hw_gettsf64(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2235 | { |
Benoit Papillault | 1c0fc65 | 2010-04-16 00:07:26 +0200 | [diff] [blame] | 2236 | u32 tsf_lower, tsf_upper1, tsf_upper2; |
| 2237 | int i; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2238 | |
Benoit Papillault | 1c0fc65 | 2010-04-16 00:07:26 +0200 | [diff] [blame] | 2239 | tsf_upper1 = REG_READ(ah, AR_TSF_U32); |
| 2240 | for (i = 0; i < ATH9K_MAX_TSF_READ; i++) { |
| 2241 | tsf_lower = REG_READ(ah, AR_TSF_L32); |
| 2242 | tsf_upper2 = REG_READ(ah, AR_TSF_U32); |
| 2243 | if (tsf_upper2 == tsf_upper1) |
| 2244 | break; |
| 2245 | tsf_upper1 = tsf_upper2; |
| 2246 | } |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2247 | |
Benoit Papillault | 1c0fc65 | 2010-04-16 00:07:26 +0200 | [diff] [blame] | 2248 | WARN_ON( i == ATH9K_MAX_TSF_READ ); |
| 2249 | |
| 2250 | return (((u64)tsf_upper1 << 32) | tsf_lower); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2251 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2252 | EXPORT_SYMBOL(ath9k_hw_gettsf64); |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2253 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2254 | void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64) |
Alina Friedrichsen | 27abe06 | 2009-01-23 05:44:21 +0100 | [diff] [blame] | 2255 | { |
Alina Friedrichsen | 27abe06 | 2009-01-23 05:44:21 +0100 | [diff] [blame] | 2256 | REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff); |
Alina Friedrichsen | b9a1619 | 2009-03-02 23:28:38 +0100 | [diff] [blame] | 2257 | REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff); |
Alina Friedrichsen | 27abe06 | 2009-01-23 05:44:21 +0100 | [diff] [blame] | 2258 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2259 | EXPORT_SYMBOL(ath9k_hw_settsf64); |
Alina Friedrichsen | 27abe06 | 2009-01-23 05:44:21 +0100 | [diff] [blame] | 2260 | |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 2261 | void ath9k_hw_reset_tsf(struct ath_hw *ah) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2262 | { |
Gabor Juhos | f9b604f | 2009-06-21 00:02:15 +0200 | [diff] [blame] | 2263 | if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0, |
| 2264 | AH_TSF_WRITE_TIMEOUT)) |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 2265 | ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, |
| 2266 | "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n"); |
Gabor Juhos | f9b604f | 2009-06-21 00:02:15 +0200 | [diff] [blame] | 2267 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2268 | REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2269 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2270 | EXPORT_SYMBOL(ath9k_hw_reset_tsf); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2271 | |
Sujith | 54e4cec | 2009-08-07 09:45:09 +0530 | [diff] [blame] | 2272 | void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2273 | { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2274 | if (setting) |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 2275 | ah->misc_mode |= AR_PCU_TX_ADD_TSF; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2276 | else |
Sujith | 2660b81 | 2009-02-09 13:27:26 +0530 | [diff] [blame] | 2277 | ah->misc_mode &= ~AR_PCU_TX_ADD_TSF; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2278 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2279 | EXPORT_SYMBOL(ath9k_hw_set_tsfadjust); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2280 | |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 2281 | void ath9k_hw_set11nmac2040(struct ath_hw *ah) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2282 | { |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 2283 | struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2284 | u32 macmode; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2285 | |
Luis R. Rodriguez | 25c56ee | 2009-09-13 23:04:44 -0700 | [diff] [blame] | 2286 | if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca) |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2287 | macmode = AR_2040_JOINED_RX_CLEAR; |
| 2288 | else |
| 2289 | macmode = 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2290 | |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 2291 | REG_WRITE(ah, AR_2040_MODE, macmode); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 2292 | } |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2293 | |
| 2294 | /* HW Generic timers configuration */ |
| 2295 | |
| 2296 | static const struct ath_gen_timer_configuration gen_tmr_configuration[] = |
| 2297 | { |
| 2298 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2299 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2300 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2301 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2302 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2303 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2304 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2305 | {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080}, |
| 2306 | {AR_NEXT_NDP2_TIMER, AR_NDP2_PERIOD, AR_NDP2_TIMER_MODE, 0x0001}, |
| 2307 | {AR_NEXT_NDP2_TIMER + 1*4, AR_NDP2_PERIOD + 1*4, |
| 2308 | AR_NDP2_TIMER_MODE, 0x0002}, |
| 2309 | {AR_NEXT_NDP2_TIMER + 2*4, AR_NDP2_PERIOD + 2*4, |
| 2310 | AR_NDP2_TIMER_MODE, 0x0004}, |
| 2311 | {AR_NEXT_NDP2_TIMER + 3*4, AR_NDP2_PERIOD + 3*4, |
| 2312 | AR_NDP2_TIMER_MODE, 0x0008}, |
| 2313 | {AR_NEXT_NDP2_TIMER + 4*4, AR_NDP2_PERIOD + 4*4, |
| 2314 | AR_NDP2_TIMER_MODE, 0x0010}, |
| 2315 | {AR_NEXT_NDP2_TIMER + 5*4, AR_NDP2_PERIOD + 5*4, |
| 2316 | AR_NDP2_TIMER_MODE, 0x0020}, |
| 2317 | {AR_NEXT_NDP2_TIMER + 6*4, AR_NDP2_PERIOD + 6*4, |
| 2318 | AR_NDP2_TIMER_MODE, 0x0040}, |
| 2319 | {AR_NEXT_NDP2_TIMER + 7*4, AR_NDP2_PERIOD + 7*4, |
| 2320 | AR_NDP2_TIMER_MODE, 0x0080} |
| 2321 | }; |
| 2322 | |
| 2323 | /* HW generic timer primitives */ |
| 2324 | |
| 2325 | /* compute and clear index of rightmost 1 */ |
| 2326 | static u32 rightmost_index(struct ath_gen_timer_table *timer_table, u32 *mask) |
| 2327 | { |
| 2328 | u32 b; |
| 2329 | |
| 2330 | b = *mask; |
| 2331 | b &= (0-b); |
| 2332 | *mask &= ~b; |
| 2333 | b *= debruijn32; |
| 2334 | b >>= 27; |
| 2335 | |
| 2336 | return timer_table->gen_timer_index[b]; |
| 2337 | } |
| 2338 | |
Vasanthakumar Thiagarajan | 1773912 | 2009-08-26 21:08:50 +0530 | [diff] [blame] | 2339 | u32 ath9k_hw_gettsf32(struct ath_hw *ah) |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2340 | { |
| 2341 | return REG_READ(ah, AR_TSF_L32); |
| 2342 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2343 | EXPORT_SYMBOL(ath9k_hw_gettsf32); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2344 | |
| 2345 | struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, |
| 2346 | void (*trigger)(void *), |
| 2347 | void (*overflow)(void *), |
| 2348 | void *arg, |
| 2349 | u8 timer_index) |
| 2350 | { |
| 2351 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; |
| 2352 | struct ath_gen_timer *timer; |
| 2353 | |
| 2354 | timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL); |
| 2355 | |
| 2356 | if (timer == NULL) { |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 2357 | ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL, |
| 2358 | "Failed to allocate memory" |
| 2359 | "for hw timer[%d]\n", timer_index); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2360 | return NULL; |
| 2361 | } |
| 2362 | |
| 2363 | /* allocate a hardware generic timer slot */ |
| 2364 | timer_table->timers[timer_index] = timer; |
| 2365 | timer->index = timer_index; |
| 2366 | timer->trigger = trigger; |
| 2367 | timer->overflow = overflow; |
| 2368 | timer->arg = arg; |
| 2369 | |
| 2370 | return timer; |
| 2371 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2372 | EXPORT_SYMBOL(ath_gen_timer_alloc); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2373 | |
Luis R. Rodriguez | cd9bf68 | 2009-09-13 02:08:34 -0700 | [diff] [blame] | 2374 | void ath9k_hw_gen_timer_start(struct ath_hw *ah, |
| 2375 | struct ath_gen_timer *timer, |
| 2376 | u32 timer_next, |
| 2377 | u32 timer_period) |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2378 | { |
| 2379 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; |
| 2380 | u32 tsf; |
| 2381 | |
| 2382 | BUG_ON(!timer_period); |
| 2383 | |
| 2384 | set_bit(timer->index, &timer_table->timer_mask.timer_bits); |
| 2385 | |
| 2386 | tsf = ath9k_hw_gettsf32(ah); |
| 2387 | |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 2388 | ath_print(ath9k_hw_common(ah), ATH_DBG_HWTIMER, |
| 2389 | "curent tsf %x period %x" |
| 2390 | "timer_next %x\n", tsf, timer_period, timer_next); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2391 | |
| 2392 | /* |
| 2393 | * Pull timer_next forward if the current TSF already passed it |
| 2394 | * because of software latency |
| 2395 | */ |
| 2396 | if (timer_next < tsf) |
| 2397 | timer_next = tsf + timer_period; |
| 2398 | |
| 2399 | /* |
| 2400 | * Program generic timer registers |
| 2401 | */ |
| 2402 | REG_WRITE(ah, gen_tmr_configuration[timer->index].next_addr, |
| 2403 | timer_next); |
| 2404 | REG_WRITE(ah, gen_tmr_configuration[timer->index].period_addr, |
| 2405 | timer_period); |
| 2406 | REG_SET_BIT(ah, gen_tmr_configuration[timer->index].mode_addr, |
| 2407 | gen_tmr_configuration[timer->index].mode_mask); |
| 2408 | |
| 2409 | /* Enable both trigger and thresh interrupt masks */ |
| 2410 | REG_SET_BIT(ah, AR_IMR_S5, |
| 2411 | (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) | |
| 2412 | SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG))); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2413 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2414 | EXPORT_SYMBOL(ath9k_hw_gen_timer_start); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2415 | |
Luis R. Rodriguez | cd9bf68 | 2009-09-13 02:08:34 -0700 | [diff] [blame] | 2416 | void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2417 | { |
| 2418 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; |
| 2419 | |
| 2420 | if ((timer->index < AR_FIRST_NDP_TIMER) || |
| 2421 | (timer->index >= ATH_MAX_GEN_TIMER)) { |
| 2422 | return; |
| 2423 | } |
| 2424 | |
| 2425 | /* Clear generic timer enable bits. */ |
| 2426 | REG_CLR_BIT(ah, gen_tmr_configuration[timer->index].mode_addr, |
| 2427 | gen_tmr_configuration[timer->index].mode_mask); |
| 2428 | |
| 2429 | /* Disable both trigger and thresh interrupt masks */ |
| 2430 | REG_CLR_BIT(ah, AR_IMR_S5, |
| 2431 | (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) | |
| 2432 | SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG))); |
| 2433 | |
| 2434 | clear_bit(timer->index, &timer_table->timer_mask.timer_bits); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2435 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2436 | EXPORT_SYMBOL(ath9k_hw_gen_timer_stop); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2437 | |
| 2438 | void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer) |
| 2439 | { |
| 2440 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; |
| 2441 | |
| 2442 | /* free the hardware generic timer slot */ |
| 2443 | timer_table->timers[timer->index] = NULL; |
| 2444 | kfree(timer); |
| 2445 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2446 | EXPORT_SYMBOL(ath_gen_timer_free); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2447 | |
| 2448 | /* |
| 2449 | * Generic Timer Interrupts handling |
| 2450 | */ |
| 2451 | void ath_gen_timer_isr(struct ath_hw *ah) |
| 2452 | { |
| 2453 | struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; |
| 2454 | struct ath_gen_timer *timer; |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 2455 | struct ath_common *common = ath9k_hw_common(ah); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2456 | u32 trigger_mask, thresh_mask, index; |
| 2457 | |
| 2458 | /* get hardware generic timer interrupt status */ |
| 2459 | trigger_mask = ah->intr_gen_timer_trigger; |
| 2460 | thresh_mask = ah->intr_gen_timer_thresh; |
| 2461 | trigger_mask &= timer_table->timer_mask.val; |
| 2462 | thresh_mask &= timer_table->timer_mask.val; |
| 2463 | |
| 2464 | trigger_mask &= ~thresh_mask; |
| 2465 | |
| 2466 | while (thresh_mask) { |
| 2467 | index = rightmost_index(timer_table, &thresh_mask); |
| 2468 | timer = timer_table->timers[index]; |
| 2469 | BUG_ON(!timer); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 2470 | ath_print(common, ATH_DBG_HWTIMER, |
| 2471 | "TSF overflow for Gen timer %d\n", index); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2472 | timer->overflow(timer->arg); |
| 2473 | } |
| 2474 | |
| 2475 | while (trigger_mask) { |
| 2476 | index = rightmost_index(timer_table, &trigger_mask); |
| 2477 | timer = timer_table->timers[index]; |
| 2478 | BUG_ON(!timer); |
Luis R. Rodriguez | c46917b | 2009-09-13 02:42:02 -0700 | [diff] [blame] | 2479 | ath_print(common, ATH_DBG_HWTIMER, |
| 2480 | "Gen timer[%d] trigger\n", index); |
Vasanthakumar Thiagarajan | ff155a4 | 2009-08-26 21:08:49 +0530 | [diff] [blame] | 2481 | timer->trigger(timer->arg); |
| 2482 | } |
| 2483 | } |
Luis R. Rodriguez | 7322fd1 | 2009-09-23 23:07:00 -0400 | [diff] [blame] | 2484 | EXPORT_SYMBOL(ath_gen_timer_isr); |
Luis R. Rodriguez | 2da4f01 | 2009-10-27 12:59:33 -0400 | [diff] [blame] | 2485 | |
Sujith | 05020d2 | 2010-03-17 14:25:23 +0530 | [diff] [blame] | 2486 | /********/ |
| 2487 | /* HTC */ |
| 2488 | /********/ |
| 2489 | |
| 2490 | void ath9k_hw_htc_resetinit(struct ath_hw *ah) |
| 2491 | { |
| 2492 | ah->htc_reset_init = true; |
| 2493 | } |
| 2494 | EXPORT_SYMBOL(ath9k_hw_htc_resetinit); |
| 2495 | |
Luis R. Rodriguez | 2da4f01 | 2009-10-27 12:59:33 -0400 | [diff] [blame] | 2496 | static struct { |
| 2497 | u32 version; |
| 2498 | const char * name; |
| 2499 | } ath_mac_bb_names[] = { |
| 2500 | /* Devices with external radios */ |
| 2501 | { AR_SREV_VERSION_5416_PCI, "5416" }, |
| 2502 | { AR_SREV_VERSION_5416_PCIE, "5418" }, |
| 2503 | { AR_SREV_VERSION_9100, "9100" }, |
| 2504 | { AR_SREV_VERSION_9160, "9160" }, |
| 2505 | /* Single-chip solutions */ |
| 2506 | { AR_SREV_VERSION_9280, "9280" }, |
| 2507 | { AR_SREV_VERSION_9285, "9285" }, |
Luis R. Rodriguez | 1115847 | 2009-10-27 12:59:35 -0400 | [diff] [blame] | 2508 | { AR_SREV_VERSION_9287, "9287" }, |
| 2509 | { AR_SREV_VERSION_9271, "9271" }, |
Luis R. Rodriguez | ec83903 | 2010-04-15 17:39:20 -0400 | [diff] [blame] | 2510 | { AR_SREV_VERSION_9300, "9300" }, |
Luis R. Rodriguez | 2da4f01 | 2009-10-27 12:59:33 -0400 | [diff] [blame] | 2511 | }; |
| 2512 | |
| 2513 | /* For devices with external radios */ |
| 2514 | static struct { |
| 2515 | u16 version; |
| 2516 | const char * name; |
| 2517 | } ath_rf_names[] = { |
| 2518 | { 0, "5133" }, |
| 2519 | { AR_RAD5133_SREV_MAJOR, "5133" }, |
| 2520 | { AR_RAD5122_SREV_MAJOR, "5122" }, |
| 2521 | { AR_RAD2133_SREV_MAJOR, "2133" }, |
| 2522 | { AR_RAD2122_SREV_MAJOR, "2122" } |
| 2523 | }; |
| 2524 | |
| 2525 | /* |
| 2526 | * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown. |
| 2527 | */ |
Luis R. Rodriguez | f934c4d | 2009-10-27 12:59:34 -0400 | [diff] [blame] | 2528 | static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version) |
Luis R. Rodriguez | 2da4f01 | 2009-10-27 12:59:33 -0400 | [diff] [blame] | 2529 | { |
| 2530 | int i; |
| 2531 | |
| 2532 | for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) { |
| 2533 | if (ath_mac_bb_names[i].version == mac_bb_version) { |
| 2534 | return ath_mac_bb_names[i].name; |
| 2535 | } |
| 2536 | } |
| 2537 | |
| 2538 | return "????"; |
| 2539 | } |
Luis R. Rodriguez | 2da4f01 | 2009-10-27 12:59:33 -0400 | [diff] [blame] | 2540 | |
| 2541 | /* |
| 2542 | * Return the RF name. "????" is returned if the RF is unknown. |
| 2543 | * Used for devices with external radios. |
| 2544 | */ |
Luis R. Rodriguez | f934c4d | 2009-10-27 12:59:34 -0400 | [diff] [blame] | 2545 | static const char *ath9k_hw_rf_name(u16 rf_version) |
Luis R. Rodriguez | 2da4f01 | 2009-10-27 12:59:33 -0400 | [diff] [blame] | 2546 | { |
| 2547 | int i; |
| 2548 | |
| 2549 | for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) { |
| 2550 | if (ath_rf_names[i].version == rf_version) { |
| 2551 | return ath_rf_names[i].name; |
| 2552 | } |
| 2553 | } |
| 2554 | |
| 2555 | return "????"; |
| 2556 | } |
Luis R. Rodriguez | f934c4d | 2009-10-27 12:59:34 -0400 | [diff] [blame] | 2557 | |
| 2558 | void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len) |
| 2559 | { |
| 2560 | int used; |
| 2561 | |
| 2562 | /* chipsets >= AR9280 are single-chip */ |
Felix Fietkau | 7a37081 | 2010-09-22 12:34:52 +0200 | [diff] [blame] | 2563 | if (AR_SREV_9280_20_OR_LATER(ah)) { |
Luis R. Rodriguez | f934c4d | 2009-10-27 12:59:34 -0400 | [diff] [blame] | 2564 | used = snprintf(hw_name, len, |
| 2565 | "Atheros AR%s Rev:%x", |
| 2566 | ath9k_hw_mac_bb_name(ah->hw_version.macVersion), |
| 2567 | ah->hw_version.macRev); |
| 2568 | } |
| 2569 | else { |
| 2570 | used = snprintf(hw_name, len, |
| 2571 | "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x", |
| 2572 | ath9k_hw_mac_bb_name(ah->hw_version.macVersion), |
| 2573 | ah->hw_version.macRev, |
| 2574 | ath9k_hw_rf_name((ah->hw_version.analog5GhzRev & |
| 2575 | AR_RADIO_SREV_MAJOR)), |
| 2576 | ah->hw_version.phyRev); |
| 2577 | } |
| 2578 | |
| 2579 | hw_name[used] = '\0'; |
| 2580 | } |
| 2581 | EXPORT_SYMBOL(ath9k_hw_name); |