Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * This file is provided under a dual BSD/GPLv2 license. When using or |
| 4 | * redistributing this file, you may do so under either license. |
| 5 | * |
| 6 | * GPL LICENSE SUMMARY |
| 7 | * |
Johannes Berg | 128e63e | 2013-01-21 21:39:26 +0100 | [diff] [blame] | 8 | * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of version 2 of the GNU General Public License as |
| 12 | * published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 22 | * USA |
| 23 | * |
| 24 | * The full GNU General Public License is included in this distribution |
Emmanuel Grumbach | 410dc5a | 2013-02-18 09:22:28 +0200 | [diff] [blame] | 25 | * in the file called COPYING. |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 26 | * |
| 27 | * Contact Information: |
| 28 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 30 | * |
| 31 | * BSD LICENSE |
| 32 | * |
Johannes Berg | 128e63e | 2013-01-21 21:39:26 +0100 | [diff] [blame] | 33 | * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 34 | * All rights reserved. |
| 35 | * |
| 36 | * Redistribution and use in source and binary forms, with or without |
| 37 | * modification, are permitted provided that the following conditions |
| 38 | * are met: |
| 39 | * |
| 40 | * * Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * * Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in |
| 44 | * the documentation and/or other materials provided with the |
| 45 | * distribution. |
| 46 | * * Neither the name Intel Corporation nor the names of its |
| 47 | * contributors may be used to endorse or promote products derived |
| 48 | * from this software without specific prior written permission. |
| 49 | * |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 61 | *****************************************************************************/ |
| 62 | #include <linux/types.h> |
| 63 | #include <linux/slab.h> |
| 64 | #include <linux/export.h> |
Johannes Berg | 48e2934 | 2013-03-01 00:13:33 +0100 | [diff] [blame^] | 65 | #include "iwl-drv.h" |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 66 | #include "iwl-modparams.h" |
| 67 | #include "iwl-eeprom-parse.h" |
| 68 | |
| 69 | /* EEPROM offset definitions */ |
| 70 | |
| 71 | /* indirect access definitions */ |
| 72 | #define ADDRESS_MSK 0x0000FFFF |
| 73 | #define INDIRECT_TYPE_MSK 0x000F0000 |
| 74 | #define INDIRECT_HOST 0x00010000 |
| 75 | #define INDIRECT_GENERAL 0x00020000 |
| 76 | #define INDIRECT_REGULATORY 0x00030000 |
| 77 | #define INDIRECT_CALIBRATION 0x00040000 |
| 78 | #define INDIRECT_PROCESS_ADJST 0x00050000 |
| 79 | #define INDIRECT_OTHERS 0x00060000 |
| 80 | #define INDIRECT_TXP_LIMIT 0x00070000 |
| 81 | #define INDIRECT_TXP_LIMIT_SIZE 0x00080000 |
| 82 | #define INDIRECT_ADDRESS 0x00100000 |
| 83 | |
| 84 | /* corresponding link offsets in EEPROM */ |
| 85 | #define EEPROM_LINK_HOST (2*0x64) |
| 86 | #define EEPROM_LINK_GENERAL (2*0x65) |
| 87 | #define EEPROM_LINK_REGULATORY (2*0x66) |
| 88 | #define EEPROM_LINK_CALIBRATION (2*0x67) |
| 89 | #define EEPROM_LINK_PROCESS_ADJST (2*0x68) |
| 90 | #define EEPROM_LINK_OTHERS (2*0x69) |
| 91 | #define EEPROM_LINK_TXP_LIMIT (2*0x6a) |
| 92 | #define EEPROM_LINK_TXP_LIMIT_SIZE (2*0x6b) |
| 93 | |
| 94 | /* General */ |
| 95 | #define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */ |
| 96 | #define EEPROM_SUBSYSTEM_ID (2*0x0A) /* 2 bytes */ |
| 97 | #define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */ |
| 98 | #define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ |
| 99 | #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ |
| 100 | #define EEPROM_VERSION (2*0x44) /* 2 bytes */ |
| 101 | #define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */ |
| 102 | #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ |
| 103 | #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */ |
| 104 | #define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */ |
| 105 | |
| 106 | /* calibration */ |
| 107 | struct iwl_eeprom_calib_hdr { |
| 108 | u8 version; |
| 109 | u8 pa_type; |
| 110 | __le16 voltage; |
| 111 | } __packed; |
| 112 | |
| 113 | #define EEPROM_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION) |
| 114 | #define EEPROM_XTAL ((2*0x128) | EEPROM_CALIB_ALL) |
| 115 | |
| 116 | /* temperature */ |
| 117 | #define EEPROM_KELVIN_TEMPERATURE ((2*0x12A) | EEPROM_CALIB_ALL) |
| 118 | #define EEPROM_RAW_TEMPERATURE ((2*0x12B) | EEPROM_CALIB_ALL) |
| 119 | |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 120 | /* SKU Capabilities (actual values from EEPROM definition) */ |
| 121 | enum eeprom_sku_bits { |
| 122 | EEPROM_SKU_CAP_BAND_24GHZ = BIT(4), |
| 123 | EEPROM_SKU_CAP_BAND_52GHZ = BIT(5), |
| 124 | EEPROM_SKU_CAP_11N_ENABLE = BIT(6), |
| 125 | EEPROM_SKU_CAP_AMT_ENABLE = BIT(7), |
| 126 | EEPROM_SKU_CAP_IPAN_ENABLE = BIT(8) |
| 127 | }; |
| 128 | |
| 129 | /* radio config bits (actual values from EEPROM definition) */ |
| 130 | #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */ |
| 131 | #define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ |
| 132 | #define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ |
| 133 | #define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ |
| 134 | #define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ |
| 135 | #define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ |
| 136 | |
| 137 | |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 138 | /* |
| 139 | * EEPROM bands |
| 140 | * These are the channel numbers from each band in the order |
| 141 | * that they are stored in the EEPROM band information. Note |
| 142 | * that EEPROM bands aren't the same as mac80211 bands, and |
| 143 | * there are even special "ht40 bands" in the EEPROM. |
| 144 | */ |
| 145 | static const u8 iwl_eeprom_band_1[14] = { /* 2.4 GHz */ |
| 146 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 |
| 147 | }; |
| 148 | |
| 149 | static const u8 iwl_eeprom_band_2[] = { /* 4915-5080MHz */ |
| 150 | 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 |
| 151 | }; |
| 152 | |
| 153 | static const u8 iwl_eeprom_band_3[] = { /* 5170-5320MHz */ |
| 154 | 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 |
| 155 | }; |
| 156 | |
| 157 | static const u8 iwl_eeprom_band_4[] = { /* 5500-5700MHz */ |
| 158 | 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 |
| 159 | }; |
| 160 | |
| 161 | static const u8 iwl_eeprom_band_5[] = { /* 5725-5825MHz */ |
| 162 | 145, 149, 153, 157, 161, 165 |
| 163 | }; |
| 164 | |
| 165 | static const u8 iwl_eeprom_band_6[] = { /* 2.4 ht40 channel */ |
| 166 | 1, 2, 3, 4, 5, 6, 7 |
| 167 | }; |
| 168 | |
| 169 | static const u8 iwl_eeprom_band_7[] = { /* 5.2 ht40 channel */ |
| 170 | 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157 |
| 171 | }; |
| 172 | |
| 173 | #define IWL_NUM_CHANNELS (ARRAY_SIZE(iwl_eeprom_band_1) + \ |
| 174 | ARRAY_SIZE(iwl_eeprom_band_2) + \ |
| 175 | ARRAY_SIZE(iwl_eeprom_band_3) + \ |
| 176 | ARRAY_SIZE(iwl_eeprom_band_4) + \ |
| 177 | ARRAY_SIZE(iwl_eeprom_band_5)) |
| 178 | |
| 179 | /* rate data (static) */ |
| 180 | static struct ieee80211_rate iwl_cfg80211_rates[] = { |
| 181 | { .bitrate = 1 * 10, .hw_value = 0, .hw_value_short = 0, }, |
| 182 | { .bitrate = 2 * 10, .hw_value = 1, .hw_value_short = 1, |
| 183 | .flags = IEEE80211_RATE_SHORT_PREAMBLE, }, |
| 184 | { .bitrate = 5.5 * 10, .hw_value = 2, .hw_value_short = 2, |
| 185 | .flags = IEEE80211_RATE_SHORT_PREAMBLE, }, |
| 186 | { .bitrate = 11 * 10, .hw_value = 3, .hw_value_short = 3, |
| 187 | .flags = IEEE80211_RATE_SHORT_PREAMBLE, }, |
| 188 | { .bitrate = 6 * 10, .hw_value = 4, .hw_value_short = 4, }, |
| 189 | { .bitrate = 9 * 10, .hw_value = 5, .hw_value_short = 5, }, |
| 190 | { .bitrate = 12 * 10, .hw_value = 6, .hw_value_short = 6, }, |
| 191 | { .bitrate = 18 * 10, .hw_value = 7, .hw_value_short = 7, }, |
| 192 | { .bitrate = 24 * 10, .hw_value = 8, .hw_value_short = 8, }, |
| 193 | { .bitrate = 36 * 10, .hw_value = 9, .hw_value_short = 9, }, |
| 194 | { .bitrate = 48 * 10, .hw_value = 10, .hw_value_short = 10, }, |
| 195 | { .bitrate = 54 * 10, .hw_value = 11, .hw_value_short = 11, }, |
| 196 | }; |
| 197 | #define RATES_24_OFFS 0 |
| 198 | #define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates) |
| 199 | #define RATES_52_OFFS 4 |
| 200 | #define N_RATES_52 (N_RATES_24 - RATES_52_OFFS) |
| 201 | |
| 202 | /* EEPROM reading functions */ |
| 203 | |
| 204 | static u16 iwl_eeprom_query16(const u8 *eeprom, size_t eeprom_size, int offset) |
| 205 | { |
| 206 | if (WARN_ON(offset + sizeof(u16) > eeprom_size)) |
| 207 | return 0; |
| 208 | return le16_to_cpup((__le16 *)(eeprom + offset)); |
| 209 | } |
| 210 | |
| 211 | static u32 eeprom_indirect_address(const u8 *eeprom, size_t eeprom_size, |
| 212 | u32 address) |
| 213 | { |
| 214 | u16 offset = 0; |
| 215 | |
| 216 | if ((address & INDIRECT_ADDRESS) == 0) |
| 217 | return address; |
| 218 | |
| 219 | switch (address & INDIRECT_TYPE_MSK) { |
| 220 | case INDIRECT_HOST: |
| 221 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 222 | EEPROM_LINK_HOST); |
| 223 | break; |
| 224 | case INDIRECT_GENERAL: |
| 225 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 226 | EEPROM_LINK_GENERAL); |
| 227 | break; |
| 228 | case INDIRECT_REGULATORY: |
| 229 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 230 | EEPROM_LINK_REGULATORY); |
| 231 | break; |
| 232 | case INDIRECT_TXP_LIMIT: |
| 233 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 234 | EEPROM_LINK_TXP_LIMIT); |
| 235 | break; |
| 236 | case INDIRECT_TXP_LIMIT_SIZE: |
| 237 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 238 | EEPROM_LINK_TXP_LIMIT_SIZE); |
| 239 | break; |
| 240 | case INDIRECT_CALIBRATION: |
| 241 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 242 | EEPROM_LINK_CALIBRATION); |
| 243 | break; |
| 244 | case INDIRECT_PROCESS_ADJST: |
| 245 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 246 | EEPROM_LINK_PROCESS_ADJST); |
| 247 | break; |
| 248 | case INDIRECT_OTHERS: |
| 249 | offset = iwl_eeprom_query16(eeprom, eeprom_size, |
| 250 | EEPROM_LINK_OTHERS); |
| 251 | break; |
| 252 | default: |
| 253 | WARN_ON(1); |
| 254 | break; |
| 255 | } |
| 256 | |
| 257 | /* translate the offset from words to byte */ |
| 258 | return (address & ADDRESS_MSK) + (offset << 1); |
| 259 | } |
| 260 | |
| 261 | static const u8 *iwl_eeprom_query_addr(const u8 *eeprom, size_t eeprom_size, |
| 262 | u32 offset) |
| 263 | { |
| 264 | u32 address = eeprom_indirect_address(eeprom, eeprom_size, offset); |
| 265 | |
| 266 | if (WARN_ON(address >= eeprom_size)) |
| 267 | return NULL; |
| 268 | |
| 269 | return &eeprom[address]; |
| 270 | } |
| 271 | |
| 272 | static int iwl_eeprom_read_calib(const u8 *eeprom, size_t eeprom_size, |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 273 | struct iwl_nvm_data *data) |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 274 | { |
| 275 | struct iwl_eeprom_calib_hdr *hdr; |
| 276 | |
| 277 | hdr = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size, |
| 278 | EEPROM_CALIB_ALL); |
| 279 | if (!hdr) |
| 280 | return -ENODATA; |
| 281 | data->calib_version = hdr->version; |
| 282 | data->calib_voltage = hdr->voltage; |
| 283 | |
| 284 | return 0; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * enum iwl_eeprom_channel_flags - channel flags in EEPROM |
| 289 | * @EEPROM_CHANNEL_VALID: channel is usable for this SKU/geo |
| 290 | * @EEPROM_CHANNEL_IBSS: usable as an IBSS channel |
| 291 | * @EEPROM_CHANNEL_ACTIVE: active scanning allowed |
| 292 | * @EEPROM_CHANNEL_RADAR: radar detection required |
| 293 | * @EEPROM_CHANNEL_WIDE: 20 MHz channel okay (?) |
| 294 | * @EEPROM_CHANNEL_DFS: dynamic freq selection candidate |
| 295 | */ |
| 296 | enum iwl_eeprom_channel_flags { |
| 297 | EEPROM_CHANNEL_VALID = BIT(0), |
| 298 | EEPROM_CHANNEL_IBSS = BIT(1), |
| 299 | EEPROM_CHANNEL_ACTIVE = BIT(3), |
| 300 | EEPROM_CHANNEL_RADAR = BIT(4), |
| 301 | EEPROM_CHANNEL_WIDE = BIT(5), |
| 302 | EEPROM_CHANNEL_DFS = BIT(7), |
| 303 | }; |
| 304 | |
| 305 | /** |
| 306 | * struct iwl_eeprom_channel - EEPROM channel data |
| 307 | * @flags: %EEPROM_CHANNEL_* flags |
| 308 | * @max_power_avg: max power (in dBm) on this channel, at most 31 dBm |
| 309 | */ |
| 310 | struct iwl_eeprom_channel { |
| 311 | u8 flags; |
| 312 | s8 max_power_avg; |
| 313 | } __packed; |
| 314 | |
| 315 | |
| 316 | enum iwl_eeprom_enhanced_txpwr_flags { |
| 317 | IWL_EEPROM_ENH_TXP_FL_VALID = BIT(0), |
| 318 | IWL_EEPROM_ENH_TXP_FL_BAND_52G = BIT(1), |
| 319 | IWL_EEPROM_ENH_TXP_FL_OFDM = BIT(2), |
| 320 | IWL_EEPROM_ENH_TXP_FL_40MHZ = BIT(3), |
| 321 | IWL_EEPROM_ENH_TXP_FL_HT_AP = BIT(4), |
| 322 | IWL_EEPROM_ENH_TXP_FL_RES1 = BIT(5), |
| 323 | IWL_EEPROM_ENH_TXP_FL_RES2 = BIT(6), |
| 324 | IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE = BIT(7), |
| 325 | }; |
| 326 | |
| 327 | /** |
| 328 | * iwl_eeprom_enhanced_txpwr structure |
| 329 | * @flags: entry flags |
| 330 | * @channel: channel number |
| 331 | * @chain_a_max_pwr: chain a max power in 1/2 dBm |
| 332 | * @chain_b_max_pwr: chain b max power in 1/2 dBm |
| 333 | * @chain_c_max_pwr: chain c max power in 1/2 dBm |
| 334 | * @delta_20_in_40: 20-in-40 deltas (hi/lo) |
| 335 | * @mimo2_max_pwr: mimo2 max power in 1/2 dBm |
| 336 | * @mimo3_max_pwr: mimo3 max power in 1/2 dBm |
| 337 | * |
| 338 | * This structure presents the enhanced regulatory tx power limit layout |
| 339 | * in an EEPROM image. |
| 340 | */ |
| 341 | struct iwl_eeprom_enhanced_txpwr { |
| 342 | u8 flags; |
| 343 | u8 channel; |
| 344 | s8 chain_a_max; |
| 345 | s8 chain_b_max; |
| 346 | s8 chain_c_max; |
| 347 | u8 delta_20_in_40; |
| 348 | s8 mimo2_max; |
| 349 | s8 mimo3_max; |
| 350 | } __packed; |
| 351 | |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 352 | static s8 iwl_get_max_txpwr_half_dbm(const struct iwl_nvm_data *data, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 353 | struct iwl_eeprom_enhanced_txpwr *txp) |
| 354 | { |
| 355 | s8 result = 0; /* (.5 dBm) */ |
| 356 | |
| 357 | /* Take the highest tx power from any valid chains */ |
| 358 | if (data->valid_tx_ant & ANT_A && txp->chain_a_max > result) |
| 359 | result = txp->chain_a_max; |
| 360 | |
| 361 | if (data->valid_tx_ant & ANT_B && txp->chain_b_max > result) |
| 362 | result = txp->chain_b_max; |
| 363 | |
| 364 | if (data->valid_tx_ant & ANT_C && txp->chain_c_max > result) |
| 365 | result = txp->chain_c_max; |
| 366 | |
| 367 | if ((data->valid_tx_ant == ANT_AB || |
| 368 | data->valid_tx_ant == ANT_BC || |
| 369 | data->valid_tx_ant == ANT_AC) && txp->mimo2_max > result) |
| 370 | result = txp->mimo2_max; |
| 371 | |
| 372 | if (data->valid_tx_ant == ANT_ABC && txp->mimo3_max > result) |
| 373 | result = txp->mimo3_max; |
| 374 | |
| 375 | return result; |
| 376 | } |
| 377 | |
| 378 | #define EEPROM_TXP_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT) |
| 379 | #define EEPROM_TXP_ENTRY_LEN sizeof(struct iwl_eeprom_enhanced_txpwr) |
| 380 | #define EEPROM_TXP_SZ_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT_SIZE) |
| 381 | |
| 382 | #define TXP_CHECK_AND_PRINT(x) \ |
| 383 | ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) ? # x " " : "") |
| 384 | |
| 385 | static void |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 386 | iwl_eeprom_enh_txp_read_element(struct iwl_nvm_data *data, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 387 | struct iwl_eeprom_enhanced_txpwr *txp, |
| 388 | int n_channels, s8 max_txpower_avg) |
| 389 | { |
| 390 | int ch_idx; |
| 391 | enum ieee80211_band band; |
| 392 | |
| 393 | band = txp->flags & IWL_EEPROM_ENH_TXP_FL_BAND_52G ? |
| 394 | IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ; |
| 395 | |
| 396 | for (ch_idx = 0; ch_idx < n_channels; ch_idx++) { |
| 397 | struct ieee80211_channel *chan = &data->channels[ch_idx]; |
| 398 | |
| 399 | /* update matching channel or from common data only */ |
| 400 | if (txp->channel != 0 && chan->hw_value != txp->channel) |
| 401 | continue; |
| 402 | |
| 403 | /* update matching band only */ |
| 404 | if (band != chan->band) |
| 405 | continue; |
| 406 | |
| 407 | if (chan->max_power < max_txpower_avg && |
| 408 | !(txp->flags & IWL_EEPROM_ENH_TXP_FL_40MHZ)) |
| 409 | chan->max_power = max_txpower_avg; |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | static void iwl_eeprom_enhanced_txpower(struct device *dev, |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 414 | struct iwl_nvm_data *data, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 415 | const u8 *eeprom, size_t eeprom_size, |
| 416 | int n_channels) |
| 417 | { |
| 418 | struct iwl_eeprom_enhanced_txpwr *txp_array, *txp; |
| 419 | int idx, entries; |
| 420 | __le16 *txp_len; |
| 421 | s8 max_txp_avg_halfdbm; |
| 422 | |
| 423 | BUILD_BUG_ON(sizeof(struct iwl_eeprom_enhanced_txpwr) != 8); |
| 424 | |
| 425 | /* the length is in 16-bit words, but we want entries */ |
| 426 | txp_len = (__le16 *)iwl_eeprom_query_addr(eeprom, eeprom_size, |
| 427 | EEPROM_TXP_SZ_OFFS); |
| 428 | entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN; |
| 429 | |
| 430 | txp_array = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size, |
| 431 | EEPROM_TXP_OFFS); |
| 432 | |
| 433 | for (idx = 0; idx < entries; idx++) { |
| 434 | txp = &txp_array[idx]; |
| 435 | /* skip invalid entries */ |
| 436 | if (!(txp->flags & IWL_EEPROM_ENH_TXP_FL_VALID)) |
| 437 | continue; |
| 438 | |
| 439 | IWL_DEBUG_EEPROM(dev, "%s %d:\t %s%s%s%s%s%s%s%s (0x%02x)\n", |
| 440 | (txp->channel && (txp->flags & |
| 441 | IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE)) ? |
| 442 | "Common " : (txp->channel) ? |
| 443 | "Channel" : "Common", |
| 444 | (txp->channel), |
| 445 | TXP_CHECK_AND_PRINT(VALID), |
| 446 | TXP_CHECK_AND_PRINT(BAND_52G), |
| 447 | TXP_CHECK_AND_PRINT(OFDM), |
| 448 | TXP_CHECK_AND_PRINT(40MHZ), |
| 449 | TXP_CHECK_AND_PRINT(HT_AP), |
| 450 | TXP_CHECK_AND_PRINT(RES1), |
| 451 | TXP_CHECK_AND_PRINT(RES2), |
| 452 | TXP_CHECK_AND_PRINT(COMMON_TYPE), |
| 453 | txp->flags); |
| 454 | IWL_DEBUG_EEPROM(dev, |
| 455 | "\t\t chain_A: 0x%02x chain_B: 0X%02x chain_C: 0X%02x\n", |
| 456 | txp->chain_a_max, txp->chain_b_max, |
| 457 | txp->chain_c_max); |
| 458 | IWL_DEBUG_EEPROM(dev, |
| 459 | "\t\t MIMO2: 0x%02x MIMO3: 0x%02x High 20_on_40: 0x%02x Low 20_on_40: 0x%02x\n", |
| 460 | txp->mimo2_max, txp->mimo3_max, |
| 461 | ((txp->delta_20_in_40 & 0xf0) >> 4), |
| 462 | (txp->delta_20_in_40 & 0x0f)); |
| 463 | |
| 464 | max_txp_avg_halfdbm = iwl_get_max_txpwr_half_dbm(data, txp); |
| 465 | |
| 466 | iwl_eeprom_enh_txp_read_element(data, txp, n_channels, |
| 467 | DIV_ROUND_UP(max_txp_avg_halfdbm, 2)); |
| 468 | |
| 469 | if (max_txp_avg_halfdbm > data->max_tx_pwr_half_dbm) |
| 470 | data->max_tx_pwr_half_dbm = max_txp_avg_halfdbm; |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | static void iwl_init_band_reference(const struct iwl_cfg *cfg, |
| 475 | const u8 *eeprom, size_t eeprom_size, |
| 476 | int eeprom_band, int *eeprom_ch_count, |
| 477 | const struct iwl_eeprom_channel **ch_info, |
| 478 | const u8 **eeprom_ch_array) |
| 479 | { |
| 480 | u32 offset = cfg->eeprom_params->regulatory_bands[eeprom_band - 1]; |
| 481 | |
| 482 | offset |= INDIRECT_ADDRESS | INDIRECT_REGULATORY; |
| 483 | |
| 484 | *ch_info = (void *)iwl_eeprom_query_addr(eeprom, eeprom_size, offset); |
| 485 | |
| 486 | switch (eeprom_band) { |
| 487 | case 1: /* 2.4GHz band */ |
| 488 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1); |
| 489 | *eeprom_ch_array = iwl_eeprom_band_1; |
| 490 | break; |
| 491 | case 2: /* 4.9GHz band */ |
| 492 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2); |
| 493 | *eeprom_ch_array = iwl_eeprom_band_2; |
| 494 | break; |
| 495 | case 3: /* 5.2GHz band */ |
| 496 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3); |
| 497 | *eeprom_ch_array = iwl_eeprom_band_3; |
| 498 | break; |
| 499 | case 4: /* 5.5GHz band */ |
| 500 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4); |
| 501 | *eeprom_ch_array = iwl_eeprom_band_4; |
| 502 | break; |
| 503 | case 5: /* 5.7GHz band */ |
| 504 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5); |
| 505 | *eeprom_ch_array = iwl_eeprom_band_5; |
| 506 | break; |
| 507 | case 6: /* 2.4GHz ht40 channels */ |
| 508 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_6); |
| 509 | *eeprom_ch_array = iwl_eeprom_band_6; |
| 510 | break; |
| 511 | case 7: /* 5 GHz ht40 channels */ |
| 512 | *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_7); |
| 513 | *eeprom_ch_array = iwl_eeprom_band_7; |
| 514 | break; |
| 515 | default: |
| 516 | *eeprom_ch_count = 0; |
| 517 | *eeprom_ch_array = NULL; |
| 518 | WARN_ON(1); |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | #define CHECK_AND_PRINT(x) \ |
| 523 | ((eeprom_ch->flags & EEPROM_CHANNEL_##x) ? # x " " : "") |
| 524 | |
| 525 | static void iwl_mod_ht40_chan_info(struct device *dev, |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 526 | struct iwl_nvm_data *data, int n_channels, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 527 | enum ieee80211_band band, u16 channel, |
| 528 | const struct iwl_eeprom_channel *eeprom_ch, |
| 529 | u8 clear_ht40_extension_channel) |
| 530 | { |
| 531 | struct ieee80211_channel *chan = NULL; |
| 532 | int i; |
| 533 | |
| 534 | for (i = 0; i < n_channels; i++) { |
| 535 | if (data->channels[i].band != band) |
| 536 | continue; |
| 537 | if (data->channels[i].hw_value != channel) |
| 538 | continue; |
| 539 | chan = &data->channels[i]; |
| 540 | break; |
| 541 | } |
| 542 | |
| 543 | if (!chan) |
| 544 | return; |
| 545 | |
| 546 | IWL_DEBUG_EEPROM(dev, |
| 547 | "HT40 Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n", |
| 548 | channel, |
| 549 | band == IEEE80211_BAND_5GHZ ? "5.2" : "2.4", |
| 550 | CHECK_AND_PRINT(IBSS), |
| 551 | CHECK_AND_PRINT(ACTIVE), |
| 552 | CHECK_AND_PRINT(RADAR), |
| 553 | CHECK_AND_PRINT(WIDE), |
| 554 | CHECK_AND_PRINT(DFS), |
| 555 | eeprom_ch->flags, |
| 556 | eeprom_ch->max_power_avg, |
| 557 | ((eeprom_ch->flags & EEPROM_CHANNEL_IBSS) && |
| 558 | !(eeprom_ch->flags & EEPROM_CHANNEL_RADAR)) ? "" |
| 559 | : "not "); |
| 560 | |
| 561 | if (eeprom_ch->flags & EEPROM_CHANNEL_VALID) |
| 562 | chan->flags &= ~clear_ht40_extension_channel; |
| 563 | } |
| 564 | |
| 565 | #define CHECK_AND_PRINT_I(x) \ |
| 566 | ((eeprom_ch_info[ch_idx].flags & EEPROM_CHANNEL_##x) ? # x " " : "") |
| 567 | |
| 568 | static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 569 | struct iwl_nvm_data *data, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 570 | const u8 *eeprom, size_t eeprom_size) |
| 571 | { |
| 572 | int band, ch_idx; |
| 573 | const struct iwl_eeprom_channel *eeprom_ch_info; |
| 574 | const u8 *eeprom_ch_array; |
| 575 | int eeprom_ch_count; |
| 576 | int n_channels = 0; |
| 577 | |
| 578 | /* |
| 579 | * Loop through the 5 EEPROM bands and add them to the parse list |
| 580 | */ |
| 581 | for (band = 1; band <= 5; band++) { |
| 582 | struct ieee80211_channel *channel; |
| 583 | |
| 584 | iwl_init_band_reference(cfg, eeprom, eeprom_size, band, |
| 585 | &eeprom_ch_count, &eeprom_ch_info, |
| 586 | &eeprom_ch_array); |
| 587 | |
| 588 | /* Loop through each band adding each of the channels */ |
| 589 | for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) { |
| 590 | const struct iwl_eeprom_channel *eeprom_ch; |
| 591 | |
| 592 | eeprom_ch = &eeprom_ch_info[ch_idx]; |
| 593 | |
| 594 | if (!(eeprom_ch->flags & EEPROM_CHANNEL_VALID)) { |
| 595 | IWL_DEBUG_EEPROM(dev, |
| 596 | "Ch. %d Flags %x [%sGHz] - No traffic\n", |
| 597 | eeprom_ch_array[ch_idx], |
| 598 | eeprom_ch_info[ch_idx].flags, |
| 599 | (band != 1) ? "5.2" : "2.4"); |
| 600 | continue; |
| 601 | } |
| 602 | |
| 603 | channel = &data->channels[n_channels]; |
| 604 | n_channels++; |
| 605 | |
| 606 | channel->hw_value = eeprom_ch_array[ch_idx]; |
| 607 | channel->band = (band == 1) ? IEEE80211_BAND_2GHZ |
| 608 | : IEEE80211_BAND_5GHZ; |
| 609 | channel->center_freq = |
| 610 | ieee80211_channel_to_frequency( |
| 611 | channel->hw_value, channel->band); |
| 612 | |
| 613 | /* set no-HT40, will enable as appropriate later */ |
| 614 | channel->flags = IEEE80211_CHAN_NO_HT40; |
| 615 | |
| 616 | if (!(eeprom_ch->flags & EEPROM_CHANNEL_IBSS)) |
| 617 | channel->flags |= IEEE80211_CHAN_NO_IBSS; |
| 618 | |
| 619 | if (!(eeprom_ch->flags & EEPROM_CHANNEL_ACTIVE)) |
| 620 | channel->flags |= IEEE80211_CHAN_PASSIVE_SCAN; |
| 621 | |
| 622 | if (eeprom_ch->flags & EEPROM_CHANNEL_RADAR) |
| 623 | channel->flags |= IEEE80211_CHAN_RADAR; |
| 624 | |
| 625 | /* Initialize regulatory-based run-time data */ |
| 626 | channel->max_power = |
| 627 | eeprom_ch_info[ch_idx].max_power_avg; |
| 628 | IWL_DEBUG_EEPROM(dev, |
| 629 | "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n", |
| 630 | channel->hw_value, |
| 631 | (band != 1) ? "5.2" : "2.4", |
| 632 | CHECK_AND_PRINT_I(VALID), |
| 633 | CHECK_AND_PRINT_I(IBSS), |
| 634 | CHECK_AND_PRINT_I(ACTIVE), |
| 635 | CHECK_AND_PRINT_I(RADAR), |
| 636 | CHECK_AND_PRINT_I(WIDE), |
| 637 | CHECK_AND_PRINT_I(DFS), |
| 638 | eeprom_ch_info[ch_idx].flags, |
| 639 | eeprom_ch_info[ch_idx].max_power_avg, |
| 640 | ((eeprom_ch_info[ch_idx].flags & |
| 641 | EEPROM_CHANNEL_IBSS) && |
| 642 | !(eeprom_ch_info[ch_idx].flags & |
| 643 | EEPROM_CHANNEL_RADAR)) |
| 644 | ? "" : "not "); |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | if (cfg->eeprom_params->enhanced_txpower) { |
| 649 | /* |
| 650 | * for newer device (6000 series and up) |
| 651 | * EEPROM contain enhanced tx power information |
| 652 | * driver need to process addition information |
| 653 | * to determine the max channel tx power limits |
| 654 | */ |
| 655 | iwl_eeprom_enhanced_txpower(dev, data, eeprom, eeprom_size, |
| 656 | n_channels); |
| 657 | } else { |
| 658 | /* All others use data from channel map */ |
| 659 | int i; |
| 660 | |
| 661 | data->max_tx_pwr_half_dbm = -128; |
| 662 | |
| 663 | for (i = 0; i < n_channels; i++) |
| 664 | data->max_tx_pwr_half_dbm = |
| 665 | max_t(s8, data->max_tx_pwr_half_dbm, |
| 666 | data->channels[i].max_power * 2); |
| 667 | } |
| 668 | |
| 669 | /* Check if we do have HT40 channels */ |
| 670 | if (cfg->eeprom_params->regulatory_bands[5] == |
| 671 | EEPROM_REGULATORY_BAND_NO_HT40 && |
| 672 | cfg->eeprom_params->regulatory_bands[6] == |
| 673 | EEPROM_REGULATORY_BAND_NO_HT40) |
| 674 | return n_channels; |
| 675 | |
| 676 | /* Two additional EEPROM bands for 2.4 and 5 GHz HT40 channels */ |
| 677 | for (band = 6; band <= 7; band++) { |
| 678 | enum ieee80211_band ieeeband; |
| 679 | |
| 680 | iwl_init_band_reference(cfg, eeprom, eeprom_size, band, |
| 681 | &eeprom_ch_count, &eeprom_ch_info, |
| 682 | &eeprom_ch_array); |
| 683 | |
| 684 | /* EEPROM band 6 is 2.4, band 7 is 5 GHz */ |
| 685 | ieeeband = (band == 6) ? IEEE80211_BAND_2GHZ |
| 686 | : IEEE80211_BAND_5GHZ; |
| 687 | |
| 688 | /* Loop through each band adding each of the channels */ |
| 689 | for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) { |
| 690 | /* Set up driver's info for lower half */ |
| 691 | iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband, |
| 692 | eeprom_ch_array[ch_idx], |
| 693 | &eeprom_ch_info[ch_idx], |
| 694 | IEEE80211_CHAN_NO_HT40PLUS); |
| 695 | |
| 696 | /* Set up driver's info for upper half */ |
| 697 | iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband, |
| 698 | eeprom_ch_array[ch_idx] + 4, |
| 699 | &eeprom_ch_info[ch_idx], |
| 700 | IEEE80211_CHAN_NO_HT40MINUS); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | return n_channels; |
| 705 | } |
| 706 | |
Johannes Berg | b1e1adf | 2013-01-24 14:14:22 +0100 | [diff] [blame] | 707 | int iwl_init_sband_channels(struct iwl_nvm_data *data, |
| 708 | struct ieee80211_supported_band *sband, |
| 709 | int n_channels, enum ieee80211_band band) |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 710 | { |
| 711 | struct ieee80211_channel *chan = &data->channels[0]; |
| 712 | int n = 0, idx = 0; |
| 713 | |
| 714 | while (chan->band != band && idx < n_channels) |
| 715 | chan = &data->channels[++idx]; |
| 716 | |
| 717 | sband->channels = &data->channels[idx]; |
| 718 | |
| 719 | while (chan->band == band && idx < n_channels) { |
| 720 | chan = &data->channels[++idx]; |
| 721 | n++; |
| 722 | } |
| 723 | |
| 724 | sband->n_channels = n; |
| 725 | |
| 726 | return n; |
| 727 | } |
| 728 | |
| 729 | #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
| 730 | #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ |
| 731 | |
Johannes Berg | b1e1adf | 2013-01-24 14:14:22 +0100 | [diff] [blame] | 732 | void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, |
| 733 | struct iwl_nvm_data *data, |
| 734 | struct ieee80211_sta_ht_cap *ht_info, |
| 735 | enum ieee80211_band band) |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 736 | { |
| 737 | int max_bit_rate = 0; |
| 738 | u8 rx_chains; |
| 739 | u8 tx_chains; |
| 740 | |
| 741 | tx_chains = hweight8(data->valid_tx_ant); |
| 742 | if (cfg->rx_with_siso_diversity) |
| 743 | rx_chains = 1; |
| 744 | else |
| 745 | rx_chains = hweight8(data->valid_rx_ant); |
| 746 | |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 747 | if (!(data->sku_cap_11n_enable) || !cfg->ht_params) { |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 748 | ht_info->ht_supported = false; |
| 749 | return; |
| 750 | } |
| 751 | |
| 752 | ht_info->ht_supported = true; |
Johannes Berg | f7546c76 | 2013-02-11 18:55:58 +0100 | [diff] [blame] | 753 | ht_info->cap = IEEE80211_HT_CAP_DSSSCCK40; |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 754 | |
| 755 | if (iwlwifi_mod_params.amsdu_size_8K) |
| 756 | ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; |
| 757 | |
| 758 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| 759 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4; |
| 760 | |
| 761 | ht_info->mcs.rx_mask[0] = 0xFF; |
| 762 | if (rx_chains >= 2) |
| 763 | ht_info->mcs.rx_mask[1] = 0xFF; |
| 764 | if (rx_chains >= 3) |
| 765 | ht_info->mcs.rx_mask[2] = 0xFF; |
| 766 | |
| 767 | if (cfg->ht_params->ht_greenfield_support) |
| 768 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
| 769 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 770 | |
| 771 | max_bit_rate = MAX_BIT_RATE_20_MHZ; |
| 772 | |
| 773 | if (cfg->ht_params->ht40_bands & BIT(band)) { |
| 774 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 775 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| 776 | ht_info->mcs.rx_mask[4] = 0x01; |
| 777 | max_bit_rate = MAX_BIT_RATE_40_MHZ; |
| 778 | } |
| 779 | |
| 780 | /* Highest supported Rx data rate */ |
| 781 | max_bit_rate *= rx_chains; |
| 782 | WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); |
| 783 | ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); |
| 784 | |
| 785 | /* Tx MCS capabilities */ |
| 786 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| 787 | if (tx_chains != rx_chains) { |
| 788 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; |
| 789 | ht_info->mcs.tx_params |= ((tx_chains - 1) << |
| 790 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); |
| 791 | } |
| 792 | } |
| 793 | |
| 794 | static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 795 | struct iwl_nvm_data *data, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 796 | const u8 *eeprom, size_t eeprom_size) |
| 797 | { |
| 798 | int n_channels = iwl_init_channel_map(dev, cfg, data, |
| 799 | eeprom, eeprom_size); |
| 800 | int n_used = 0; |
| 801 | struct ieee80211_supported_band *sband; |
| 802 | |
| 803 | sband = &data->bands[IEEE80211_BAND_2GHZ]; |
| 804 | sband->band = IEEE80211_BAND_2GHZ; |
| 805 | sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS]; |
| 806 | sband->n_bitrates = N_RATES_24; |
| 807 | n_used += iwl_init_sband_channels(data, sband, n_channels, |
| 808 | IEEE80211_BAND_2GHZ); |
| 809 | iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ); |
| 810 | |
| 811 | sband = &data->bands[IEEE80211_BAND_5GHZ]; |
| 812 | sband->band = IEEE80211_BAND_5GHZ; |
| 813 | sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS]; |
| 814 | sband->n_bitrates = N_RATES_52; |
| 815 | n_used += iwl_init_sband_channels(data, sband, n_channels, |
| 816 | IEEE80211_BAND_5GHZ); |
| 817 | iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ); |
| 818 | |
| 819 | if (n_channels != n_used) |
| 820 | IWL_ERR_DEV(dev, "EEPROM: used only %d of %d channels\n", |
| 821 | n_used, n_channels); |
| 822 | } |
| 823 | |
| 824 | /* EEPROM data functions */ |
| 825 | |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 826 | struct iwl_nvm_data * |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 827 | iwl_parse_eeprom_data(struct device *dev, const struct iwl_cfg *cfg, |
| 828 | const u8 *eeprom, size_t eeprom_size) |
| 829 | { |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 830 | struct iwl_nvm_data *data; |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 831 | const void *tmp; |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 832 | u16 radio_cfg, sku; |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 833 | |
| 834 | if (WARN_ON(!cfg || !cfg->eeprom_params)) |
| 835 | return NULL; |
| 836 | |
| 837 | data = kzalloc(sizeof(*data) + |
| 838 | sizeof(struct ieee80211_channel) * IWL_NUM_CHANNELS, |
| 839 | GFP_KERNEL); |
| 840 | if (!data) |
| 841 | return NULL; |
| 842 | |
| 843 | /* get MAC address(es) */ |
| 844 | tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_MAC_ADDRESS); |
| 845 | if (!tmp) |
| 846 | goto err_free; |
| 847 | memcpy(data->hw_addr, tmp, ETH_ALEN); |
| 848 | data->n_hw_addrs = iwl_eeprom_query16(eeprom, eeprom_size, |
| 849 | EEPROM_NUM_MAC_ADDRESS); |
| 850 | |
| 851 | if (iwl_eeprom_read_calib(eeprom, eeprom_size, data)) |
| 852 | goto err_free; |
| 853 | |
| 854 | tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_XTAL); |
| 855 | if (!tmp) |
| 856 | goto err_free; |
| 857 | memcpy(data->xtal_calib, tmp, sizeof(data->xtal_calib)); |
| 858 | |
| 859 | tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, |
| 860 | EEPROM_RAW_TEMPERATURE); |
| 861 | if (!tmp) |
| 862 | goto err_free; |
| 863 | data->raw_temperature = *(__le16 *)tmp; |
| 864 | |
| 865 | tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, |
| 866 | EEPROM_KELVIN_TEMPERATURE); |
| 867 | if (!tmp) |
| 868 | goto err_free; |
| 869 | data->kelvin_temperature = *(__le16 *)tmp; |
| 870 | data->kelvin_voltage = *((__le16 *)tmp + 1); |
| 871 | |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 872 | radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 873 | EEPROM_RADIO_CONFIG); |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 874 | data->radio_cfg_dash = EEPROM_RF_CFG_DASH_MSK(radio_cfg); |
| 875 | data->radio_cfg_pnum = EEPROM_RF_CFG_PNUM_MSK(radio_cfg); |
| 876 | data->radio_cfg_step = EEPROM_RF_CFG_STEP_MSK(radio_cfg); |
| 877 | data->radio_cfg_type = EEPROM_RF_CFG_TYPE_MSK(radio_cfg); |
| 878 | data->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg); |
| 879 | data->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); |
| 880 | |
| 881 | sku = iwl_eeprom_query16(eeprom, eeprom_size, |
| 882 | EEPROM_SKU_CAP); |
| 883 | data->sku_cap_11n_enable = sku & EEPROM_SKU_CAP_11N_ENABLE; |
| 884 | data->sku_cap_amt_enable = sku & EEPROM_SKU_CAP_AMT_ENABLE; |
| 885 | data->sku_cap_band_24GHz_enable = sku & EEPROM_SKU_CAP_BAND_24GHZ; |
| 886 | data->sku_cap_band_52GHz_enable = sku & EEPROM_SKU_CAP_BAND_52GHZ; |
| 887 | data->sku_cap_ipan_enable = sku & EEPROM_SKU_CAP_IPAN_ENABLE; |
Johannes Berg | 63d76dc | 2012-06-19 08:32:49 +0200 | [diff] [blame] | 888 | if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 889 | data->sku_cap_11n_enable = false; |
Johannes Berg | 63d76dc | 2012-06-19 08:32:49 +0200 | [diff] [blame] | 890 | |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 891 | data->nvm_version = iwl_eeprom_query16(eeprom, eeprom_size, |
| 892 | EEPROM_VERSION); |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 893 | |
| 894 | /* check overrides (some devices have wrong EEPROM) */ |
| 895 | if (cfg->valid_tx_ant) |
| 896 | data->valid_tx_ant = cfg->valid_tx_ant; |
| 897 | if (cfg->valid_rx_ant) |
| 898 | data->valid_rx_ant = cfg->valid_rx_ant; |
| 899 | |
| 900 | if (!data->valid_tx_ant || !data->valid_rx_ant) { |
| 901 | IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n", |
| 902 | data->valid_tx_ant, data->valid_rx_ant); |
| 903 | goto err_free; |
| 904 | } |
| 905 | |
| 906 | iwl_init_sbands(dev, cfg, data, eeprom, eeprom_size); |
| 907 | |
| 908 | return data; |
| 909 | err_free: |
| 910 | kfree(data); |
| 911 | return NULL; |
| 912 | } |
Johannes Berg | 48e2934 | 2013-03-01 00:13:33 +0100 | [diff] [blame^] | 913 | IWL_EXPORT_SYMBOL(iwl_parse_eeprom_data); |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 914 | |
| 915 | /* helper functions */ |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 916 | int iwl_nvm_check_version(struct iwl_nvm_data *data, |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 917 | struct iwl_trans *trans) |
| 918 | { |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 919 | if (data->nvm_version >= trans->cfg->nvm_ver || |
| 920 | data->calib_version >= trans->cfg->nvm_calib_ver) { |
Johannes Berg | d01031b | 2012-11-05 19:50:26 +0100 | [diff] [blame] | 921 | IWL_DEBUG_INFO(trans, "device EEPROM VER=0x%x, CALIB=0x%x\n", |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 922 | data->nvm_version, data->calib_version); |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 923 | return 0; |
| 924 | } |
| 925 | |
| 926 | IWL_ERR(trans, |
| 927 | "Unsupported (too old) EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n", |
Eytan Lifshitz | b7998c8 | 2012-12-01 20:59:49 +0200 | [diff] [blame] | 928 | data->nvm_version, trans->cfg->nvm_ver, |
| 929 | data->calib_version, trans->cfg->nvm_calib_ver); |
Johannes Berg | 26a7ca9 | 2012-05-21 11:55:54 +0200 | [diff] [blame] | 930 | return -EINVAL; |
| 931 | } |
Johannes Berg | 48e2934 | 2013-03-01 00:13:33 +0100 | [diff] [blame^] | 932 | IWL_EXPORT_SYMBOL(iwl_nvm_check_version); |