| /****************************************************************************** |
| * |
| * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. |
| * Copyright(c) 2015 Intel Mobile Communications GmbH |
| * Copyright(c) 2018 Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| *****************************************************************************/ |
| #include "src/iwlwifi/iwl-eeprom-parse.h" |
| |
| #include "src/iwlwifi/iwl-drv.h" |
| #include "src/iwlwifi/iwl-modparams.h" |
| |
| #if 0 // NEEDS_PORTING |
| /* EEPROM offset definitions */ |
| |
| /* indirect access definitions */ |
| #define ADDRESS_MSK 0x0000FFFF |
| #define INDIRECT_TYPE_MSK 0x000F0000 |
| #define INDIRECT_HOST 0x00010000 |
| #define INDIRECT_GENERAL 0x00020000 |
| #define INDIRECT_REGULATORY 0x00030000 |
| #define INDIRECT_CALIBRATION 0x00040000 |
| #define INDIRECT_PROCESS_ADJST 0x00050000 |
| #define INDIRECT_OTHERS 0x00060000 |
| #define INDIRECT_TXP_LIMIT 0x00070000 |
| #define INDIRECT_TXP_LIMIT_SIZE 0x00080000 |
| #define INDIRECT_ADDRESS 0x00100000 |
| |
| /* corresponding link offsets in EEPROM */ |
| #define EEPROM_LINK_HOST (2 * 0x64) |
| #define EEPROM_LINK_GENERAL (2 * 0x65) |
| #define EEPROM_LINK_REGULATORY (2 * 0x66) |
| #define EEPROM_LINK_CALIBRATION (2 * 0x67) |
| #define EEPROM_LINK_PROCESS_ADJST (2 * 0x68) |
| #define EEPROM_LINK_OTHERS (2 * 0x69) |
| #define EEPROM_LINK_TXP_LIMIT (2 * 0x6a) |
| #define EEPROM_LINK_TXP_LIMIT_SIZE (2 * 0x6b) |
| |
| /* General */ |
| #define EEPROM_DEVICE_ID (2 * 0x08) /* 2 bytes */ |
| #define EEPROM_SUBSYSTEM_ID (2 * 0x0A) /* 2 bytes */ |
| #define EEPROM_MAC_ADDRESS (2 * 0x15) /* 6 bytes */ |
| #define EEPROM_BOARD_REVISION (2 * 0x35) /* 2 bytes */ |
| #define EEPROM_BOARD_PBA_NUMBER (2 * 0x3B + 1) /* 9 bytes */ |
| #define EEPROM_VERSION (2 * 0x44) /* 2 bytes */ |
| #define EEPROM_SKU_CAP (2 * 0x45) /* 2 bytes */ |
| #define EEPROM_OEM_MODE (2 * 0x46) /* 2 bytes */ |
| #define EEPROM_RADIO_CONFIG (2 * 0x48) /* 2 bytes */ |
| #define EEPROM_NUM_MAC_ADDRESS (2 * 0x4C) /* 2 bytes */ |
| |
| /* calibration */ |
| struct iwl_eeprom_calib_hdr { |
| uint8_t version; |
| uint8_t pa_type; |
| __le16 voltage; |
| } __packed; |
| |
| #define EEPROM_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION) |
| #define EEPROM_XTAL ((2 * 0x128) | EEPROM_CALIB_ALL) |
| |
| /* temperature */ |
| #define EEPROM_KELVIN_TEMPERATURE ((2 * 0x12A) | EEPROM_CALIB_ALL) |
| #define EEPROM_RAW_TEMPERATURE ((2 * 0x12B) | EEPROM_CALIB_ALL) |
| |
| /* SKU Capabilities (actual values from EEPROM definition) */ |
| enum eeprom_sku_bits { |
| EEPROM_SKU_CAP_BAND_24GHZ = BIT(4), |
| EEPROM_SKU_CAP_BAND_52GHZ = BIT(5), |
| EEPROM_SKU_CAP_11N_ENABLE = BIT(6), |
| EEPROM_SKU_CAP_AMT_ENABLE = BIT(7), |
| EEPROM_SKU_CAP_IPAN_ENABLE = BIT(8) |
| }; |
| |
| /* radio config bits (actual values from EEPROM definition) */ |
| #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */ |
| #define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ |
| #define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ |
| #define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ |
| #define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ |
| #define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ |
| |
| /* |
| * EEPROM bands |
| * These are the channel numbers from each band in the order |
| * that they are stored in the EEPROM band information. Note |
| * that EEPROM bands aren't the same as mac80211 bands, and |
| * there are even special "ht40 bands" in the EEPROM. |
| */ |
| static const uint8_t iwl_eeprom_band_1[14] = {/* 2.4 GHz */ |
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}; |
| |
| static const uint8_t iwl_eeprom_band_2[] = {/* 4915-5080MHz */ |
| 183, 184, 185, 187, 188, 189, 192, |
| 196, 7, 8, 11, 12, 16}; |
| |
| static const uint8_t iwl_eeprom_band_3[] = {/* 5170-5320MHz */ |
| 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64}; |
| |
| static const uint8_t iwl_eeprom_band_4[] = {/* 5500-5700MHz */ |
| 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}; |
| |
| static const uint8_t iwl_eeprom_band_5[] = {/* 5725-5825MHz */ |
| 145, 149, 153, 157, 161, 165}; |
| |
| static const uint8_t iwl_eeprom_band_6[] = {/* 2.4 ht40 channel */ |
| 1, 2, 3, 4, 5, 6, 7}; |
| |
| static const uint8_t iwl_eeprom_band_7[] = {/* 5.2 ht40 channel */ |
| 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157}; |
| |
| #define IWL_NUM_CHANNELS \ |
| (ARRAY_SIZE(iwl_eeprom_band_1) + ARRAY_SIZE(iwl_eeprom_band_2) + ARRAY_SIZE(iwl_eeprom_band_3) + \ |
| ARRAY_SIZE(iwl_eeprom_band_4) + ARRAY_SIZE(iwl_eeprom_band_5)) |
| |
| /* rate data (static) */ |
| static struct ieee80211_rate iwl_cfg80211_rates[] = { |
| { |
| .bitrate = 1 * 10, |
| .hw_value = 0, |
| .hw_value_short = 0, |
| }, |
| { |
| .bitrate = 2 * 10, |
| .hw_value = 1, |
| .hw_value_short = 1, |
| .flags = IEEE80211_RATE_SHORT_PREAMBLE, |
| }, |
| { |
| .bitrate = 5.5 * 10, |
| .hw_value = 2, |
| .hw_value_short = 2, |
| .flags = IEEE80211_RATE_SHORT_PREAMBLE, |
| }, |
| { |
| .bitrate = 11 * 10, |
| .hw_value = 3, |
| .hw_value_short = 3, |
| .flags = IEEE80211_RATE_SHORT_PREAMBLE, |
| }, |
| { |
| .bitrate = 6 * 10, |
| .hw_value = 4, |
| .hw_value_short = 4, |
| }, |
| { |
| .bitrate = 9 * 10, |
| .hw_value = 5, |
| .hw_value_short = 5, |
| }, |
| { |
| .bitrate = 12 * 10, |
| .hw_value = 6, |
| .hw_value_short = 6, |
| }, |
| { |
| .bitrate = 18 * 10, |
| .hw_value = 7, |
| .hw_value_short = 7, |
| }, |
| { |
| .bitrate = 24 * 10, |
| .hw_value = 8, |
| .hw_value_short = 8, |
| }, |
| { |
| .bitrate = 36 * 10, |
| .hw_value = 9, |
| .hw_value_short = 9, |
| }, |
| { |
| .bitrate = 48 * 10, |
| .hw_value = 10, |
| .hw_value_short = 10, |
| }, |
| { |
| .bitrate = 54 * 10, |
| .hw_value = 11, |
| .hw_value_short = 11, |
| }, |
| }; |
| #define RATES_24_OFFS 0 |
| #define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates) |
| #define RATES_52_OFFS 4 |
| #define N_RATES_52 (N_RATES_24 - RATES_52_OFFS) |
| |
| /* EEPROM reading functions */ |
| |
| static uint16_t iwl_eeprom_query16(const uint8_t* eeprom, size_t eeprom_size, int offset) { |
| if (WARN_ON(offset + sizeof(uint16_t) > eeprom_size)) { |
| return 0; |
| } |
| return le16_to_cpup((__le16*)(eeprom + offset)); |
| } |
| |
| static uint32_t eeprom_indirect_address(const uint8_t* eeprom, size_t eeprom_size, |
| uint32_t address) { |
| uint16_t offset = 0; |
| |
| if ((address & INDIRECT_ADDRESS) == 0) { |
| return address; |
| } |
| |
| switch (address & INDIRECT_TYPE_MSK) { |
| case INDIRECT_HOST: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_HOST); |
| break; |
| case INDIRECT_GENERAL: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_GENERAL); |
| break; |
| case INDIRECT_REGULATORY: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_REGULATORY); |
| break; |
| case INDIRECT_TXP_LIMIT: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_TXP_LIMIT); |
| break; |
| case INDIRECT_TXP_LIMIT_SIZE: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_TXP_LIMIT_SIZE); |
| break; |
| case INDIRECT_CALIBRATION: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_CALIBRATION); |
| break; |
| case INDIRECT_PROCESS_ADJST: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_PROCESS_ADJST); |
| break; |
| case INDIRECT_OTHERS: |
| offset = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_LINK_OTHERS); |
| break; |
| default: |
| WARN_ON(1); |
| break; |
| } |
| |
| /* translate the offset from words to byte */ |
| return (address & ADDRESS_MSK) + (offset << 1); |
| } |
| |
| static const uint8_t* iwl_eeprom_query_addr(const uint8_t* eeprom, size_t eeprom_size, |
| uint32_t offset) { |
| uint32_t address = eeprom_indirect_address(eeprom, eeprom_size, offset); |
| |
| if (WARN_ON(address >= eeprom_size)) { |
| return NULL; |
| } |
| |
| return &eeprom[address]; |
| } |
| |
| static int iwl_eeprom_read_calib(const uint8_t* eeprom, size_t eeprom_size, |
| struct iwl_nvm_data* data) { |
| struct iwl_eeprom_calib_hdr* hdr; |
| |
| hdr = (void*)iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_CALIB_ALL); |
| if (!hdr) { |
| return -ENODATA; |
| } |
| data->calib_version = hdr->version; |
| data->calib_voltage = hdr->voltage; |
| |
| return 0; |
| } |
| |
| /** |
| * enum iwl_eeprom_channel_flags - channel flags in EEPROM |
| * @EEPROM_CHANNEL_VALID: channel is usable for this SKU/geo |
| * @EEPROM_CHANNEL_IBSS: usable as an IBSS channel |
| * @EEPROM_CHANNEL_ACTIVE: active scanning allowed |
| * @EEPROM_CHANNEL_RADAR: radar detection required |
| * @EEPROM_CHANNEL_WIDE: 20 MHz channel okay (?) |
| * @EEPROM_CHANNEL_DFS: dynamic freq selection candidate |
| */ |
| enum iwl_eeprom_channel_flags { |
| EEPROM_CHANNEL_VALID = BIT(0), |
| EEPROM_CHANNEL_IBSS = BIT(1), |
| EEPROM_CHANNEL_ACTIVE = BIT(3), |
| EEPROM_CHANNEL_RADAR = BIT(4), |
| EEPROM_CHANNEL_WIDE = BIT(5), |
| EEPROM_CHANNEL_DFS = BIT(7), |
| }; |
| |
| /** |
| * struct iwl_eeprom_channel - EEPROM channel data |
| * @flags: %EEPROM_CHANNEL_* flags |
| * @max_power_avg: max power (in dBm) on this channel, at most 31 dBm |
| */ |
| struct iwl_eeprom_channel { |
| uint8_t flags; |
| int8_t max_power_avg; |
| } __packed; |
| |
| enum iwl_eeprom_enhanced_txpwr_flags { |
| IWL_EEPROM_ENH_TXP_FL_VALID = BIT(0), |
| IWL_EEPROM_ENH_TXP_FL_BAND_52G = BIT(1), |
| IWL_EEPROM_ENH_TXP_FL_OFDM = BIT(2), |
| IWL_EEPROM_ENH_TXP_FL_40MHZ = BIT(3), |
| IWL_EEPROM_ENH_TXP_FL_HT_AP = BIT(4), |
| IWL_EEPROM_ENH_TXP_FL_RES1 = BIT(5), |
| IWL_EEPROM_ENH_TXP_FL_RES2 = BIT(6), |
| IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE = BIT(7), |
| }; |
| |
| /** |
| * iwl_eeprom_enhanced_txpwr structure |
| * @flags: entry flags |
| * @channel: channel number |
| * @chain_a_max_pwr: chain a max power in 1/2 dBm |
| * @chain_b_max_pwr: chain b max power in 1/2 dBm |
| * @chain_c_max_pwr: chain c max power in 1/2 dBm |
| * @delta_20_in_40: 20-in-40 deltas (hi/lo) |
| * @mimo2_max_pwr: mimo2 max power in 1/2 dBm |
| * @mimo3_max_pwr: mimo3 max power in 1/2 dBm |
| * |
| * This structure presents the enhanced regulatory tx power limit layout |
| * in an EEPROM image. |
| */ |
| struct iwl_eeprom_enhanced_txpwr { |
| uint8_t flags; |
| uint8_t channel; |
| int8_t chain_a_max; |
| int8_t chain_b_max; |
| int8_t chain_c_max; |
| uint8_t delta_20_in_40; |
| int8_t mimo2_max; |
| int8_t mimo3_max; |
| } __packed; |
| |
| static int8_t iwl_get_max_txpwr_half_dbm(const struct iwl_nvm_data* data, |
| struct iwl_eeprom_enhanced_txpwr* txp) { |
| int8_t result = 0; /* (.5 dBm) */ |
| |
| /* Take the highest tx power from any valid chains */ |
| if (data->valid_tx_ant & ANT_A && txp->chain_a_max > result) { |
| result = txp->chain_a_max; |
| } |
| |
| if (data->valid_tx_ant & ANT_B && txp->chain_b_max > result) { |
| result = txp->chain_b_max; |
| } |
| |
| if (data->valid_tx_ant & ANT_C && txp->chain_c_max > result) { |
| result = txp->chain_c_max; |
| } |
| |
| if ((data->valid_tx_ant == ANT_AB || data->valid_tx_ant == ANT_BC || |
| data->valid_tx_ant == ANT_AC) && |
| txp->mimo2_max > result) { |
| result = txp->mimo2_max; |
| } |
| |
| if (data->valid_tx_ant == ANT_ABC && txp->mimo3_max > result) { |
| result = txp->mimo3_max; |
| } |
| |
| return result; |
| } |
| |
| #define EEPROM_TXP_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT) |
| #define EEPROM_TXP_ENTRY_LEN sizeof(struct iwl_eeprom_enhanced_txpwr) |
| #define EEPROM_TXP_SZ_OFFS (0x00 | INDIRECT_ADDRESS | INDIRECT_TXP_LIMIT_SIZE) |
| |
| #define TXP_CHECK_AND_PRINT(x) ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) ? #x " " : "") |
| |
| static void iwl_eeprom_enh_txp_read_element(struct iwl_nvm_data* data, |
| struct iwl_eeprom_enhanced_txpwr* txp, int n_channels, |
| int8_t max_txpower_avg) { |
| int ch_idx; |
| enum nl80211_band band; |
| |
| band = txp->flags & IWL_EEPROM_ENH_TXP_FL_BAND_52G ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ; |
| |
| for (ch_idx = 0; ch_idx < n_channels; ch_idx++) { |
| struct ieee80211_channel* chan = &data->channels[ch_idx]; |
| |
| /* update matching channel or from common data only */ |
| if (txp->channel != 0 && chan->hw_value != txp->channel) { |
| continue; |
| } |
| |
| /* update matching band only */ |
| if (band != chan->band) { |
| continue; |
| } |
| |
| if (chan->max_power < max_txpower_avg && !(txp->flags & IWL_EEPROM_ENH_TXP_FL_40MHZ)) { |
| chan->max_power = max_txpower_avg; |
| } |
| } |
| } |
| |
| static void iwl_eeprom_enhanced_txpower(struct device* dev, struct iwl_nvm_data* data, |
| const uint8_t* eeprom, size_t eeprom_size, int n_channels) { |
| struct iwl_eeprom_enhanced_txpwr *txp_array, *txp; |
| int idx, entries; |
| __le16* txp_len; |
| int8_t max_txp_avg_halfdbm; |
| |
| BUILD_BUG_ON(sizeof(struct iwl_eeprom_enhanced_txpwr) != 8); |
| |
| /* the length is in 16-bit words, but we want entries */ |
| txp_len = (__le16*)iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_TXP_SZ_OFFS); |
| entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN; |
| |
| txp_array = (void*)iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_TXP_OFFS); |
| |
| for (idx = 0; idx < entries; idx++) { |
| txp = &txp_array[idx]; |
| /* skip invalid entries */ |
| if (!(txp->flags & IWL_EEPROM_ENH_TXP_FL_VALID)) { |
| continue; |
| } |
| |
| IWL_DEBUG_EEPROM(dev, "%s %d:\t %s%s%s%s%s%s%s%s (0x%02x)\n", |
| (txp->channel && (txp->flags & IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE)) |
| ? "Common " |
| : (txp->channel) ? "Channel" : "Common", |
| (txp->channel), TXP_CHECK_AND_PRINT(VALID), TXP_CHECK_AND_PRINT(BAND_52G), |
| TXP_CHECK_AND_PRINT(OFDM), TXP_CHECK_AND_PRINT(40MHZ), |
| TXP_CHECK_AND_PRINT(HT_AP), TXP_CHECK_AND_PRINT(RES1), |
| TXP_CHECK_AND_PRINT(RES2), TXP_CHECK_AND_PRINT(COMMON_TYPE), txp->flags); |
| IWL_DEBUG_EEPROM(dev, "\t\t chain_A: %d chain_B: %d chain_C: %d\n", txp->chain_a_max, |
| txp->chain_b_max, txp->chain_c_max); |
| IWL_DEBUG_EEPROM(dev, "\t\t MIMO2: %d MIMO3: %d High 20_on_40: 0x%02x Low 20_on_40: 0x%02x\n", |
| txp->mimo2_max, txp->mimo3_max, ((txp->delta_20_in_40 & 0xf0) >> 4), |
| (txp->delta_20_in_40 & 0x0f)); |
| |
| max_txp_avg_halfdbm = iwl_get_max_txpwr_half_dbm(data, txp); |
| |
| iwl_eeprom_enh_txp_read_element(data, txp, n_channels, DIV_ROUND_UP(max_txp_avg_halfdbm, 2)); |
| |
| if (max_txp_avg_halfdbm > data->max_tx_pwr_half_dbm) { |
| data->max_tx_pwr_half_dbm = max_txp_avg_halfdbm; |
| } |
| } |
| } |
| |
| static void iwl_init_band_reference(const struct iwl_cfg* cfg, const uint8_t* eeprom, |
| size_t eeprom_size, int eeprom_band, int* eeprom_ch_count, |
| const struct iwl_eeprom_channel** ch_info, |
| const uint8_t** eeprom_ch_array) { |
| uint32_t offset = cfg->eeprom_params->regulatory_bands[eeprom_band - 1]; |
| |
| offset |= INDIRECT_ADDRESS | INDIRECT_REGULATORY; |
| |
| *ch_info = (void*)iwl_eeprom_query_addr(eeprom, eeprom_size, offset); |
| |
| switch (eeprom_band) { |
| case 1: /* 2.4GHz band */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_1); |
| *eeprom_ch_array = iwl_eeprom_band_1; |
| break; |
| case 2: /* 4.9GHz band */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_2); |
| *eeprom_ch_array = iwl_eeprom_band_2; |
| break; |
| case 3: /* 5.2GHz band */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_3); |
| *eeprom_ch_array = iwl_eeprom_band_3; |
| break; |
| case 4: /* 5.5GHz band */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_4); |
| *eeprom_ch_array = iwl_eeprom_band_4; |
| break; |
| case 5: /* 5.7GHz band */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_5); |
| *eeprom_ch_array = iwl_eeprom_band_5; |
| break; |
| case 6: /* 2.4GHz ht40 channels */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_6); |
| *eeprom_ch_array = iwl_eeprom_band_6; |
| break; |
| case 7: /* 5 GHz ht40 channels */ |
| *eeprom_ch_count = ARRAY_SIZE(iwl_eeprom_band_7); |
| *eeprom_ch_array = iwl_eeprom_band_7; |
| break; |
| default: |
| *eeprom_ch_count = 0; |
| *eeprom_ch_array = NULL; |
| WARN_ON(1); |
| } |
| } |
| |
| #define CHECK_AND_PRINT(x) ((eeprom_ch->flags & EEPROM_CHANNEL_##x) ? #x " " : "") |
| |
| static void iwl_mod_ht40_chan_info(struct device* dev, struct iwl_nvm_data* data, int n_channels, |
| enum nl80211_band band, uint16_t channel, |
| const struct iwl_eeprom_channel* eeprom_ch, |
| uint8_t clear_ht40_extension_channel) { |
| struct ieee80211_channel* chan = NULL; |
| int i; |
| |
| for (i = 0; i < n_channels; i++) { |
| if (data->channels[i].band != band) { |
| continue; |
| } |
| if (data->channels[i].hw_value != channel) { |
| continue; |
| } |
| chan = &data->channels[i]; |
| break; |
| } |
| |
| if (!chan) { |
| return; |
| } |
| |
| IWL_DEBUG_EEPROM( |
| dev, "HT40 Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n", channel, |
| band == NL80211_BAND_5GHZ ? "5.2" : "2.4", CHECK_AND_PRINT(IBSS), CHECK_AND_PRINT(ACTIVE), |
| CHECK_AND_PRINT(RADAR), CHECK_AND_PRINT(WIDE), CHECK_AND_PRINT(DFS), eeprom_ch->flags, |
| eeprom_ch->max_power_avg, |
| ((eeprom_ch->flags & EEPROM_CHANNEL_IBSS) && !(eeprom_ch->flags & EEPROM_CHANNEL_RADAR)) |
| ? "" |
| : "not "); |
| |
| if (eeprom_ch->flags & EEPROM_CHANNEL_VALID) { |
| chan->flags &= ~clear_ht40_extension_channel; |
| } |
| } |
| |
| #define CHECK_AND_PRINT_I(x) ((eeprom_ch_info[ch_idx].flags & EEPROM_CHANNEL_##x) ? #x " " : "") |
| |
| static int iwl_init_channel_map(struct device* dev, const struct iwl_cfg* cfg, |
| struct iwl_nvm_data* data, const uint8_t* eeprom, |
| size_t eeprom_size) { |
| int band, ch_idx; |
| const struct iwl_eeprom_channel* eeprom_ch_info; |
| const uint8_t* eeprom_ch_array; |
| int eeprom_ch_count; |
| int n_channels = 0; |
| |
| /* |
| * Loop through the 5 EEPROM bands and add them to the parse list |
| */ |
| for (band = 1; band <= 5; band++) { |
| struct ieee80211_channel* channel; |
| |
| iwl_init_band_reference(cfg, eeprom, eeprom_size, band, &eeprom_ch_count, &eeprom_ch_info, |
| &eeprom_ch_array); |
| |
| /* Loop through each band adding each of the channels */ |
| for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) { |
| const struct iwl_eeprom_channel* eeprom_ch; |
| |
| eeprom_ch = &eeprom_ch_info[ch_idx]; |
| |
| if (!(eeprom_ch->flags & EEPROM_CHANNEL_VALID)) { |
| IWL_DEBUG_EEPROM(dev, "Ch. %d Flags %x [%sGHz] - No traffic\n", eeprom_ch_array[ch_idx], |
| eeprom_ch_info[ch_idx].flags, (band != 1) ? "5.2" : "2.4"); |
| continue; |
| } |
| |
| channel = &data->channels[n_channels]; |
| n_channels++; |
| |
| channel->hw_value = eeprom_ch_array[ch_idx]; |
| channel->band = (band == 1) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; |
| channel->center_freq = ieee80211_channel_to_frequency(channel->hw_value, channel->band); |
| |
| /* set no-HT40, will enable as appropriate later */ |
| channel->flags = IEEE80211_CHAN_NO_HT40; |
| |
| if (!(eeprom_ch->flags & EEPROM_CHANNEL_IBSS)) { |
| channel->flags |= IEEE80211_CHAN_NO_IR; |
| } |
| |
| if (!(eeprom_ch->flags & EEPROM_CHANNEL_ACTIVE)) { |
| channel->flags |= IEEE80211_CHAN_NO_IR; |
| } |
| |
| if (eeprom_ch->flags & EEPROM_CHANNEL_RADAR) { |
| channel->flags |= IEEE80211_CHAN_RADAR; |
| } |
| |
| /* Initialize regulatory-based run-time data */ |
| channel->max_power = eeprom_ch_info[ch_idx].max_power_avg; |
| IWL_DEBUG_EEPROM(dev, "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n", |
| channel->hw_value, (band != 1) ? "5.2" : "2.4", CHECK_AND_PRINT_I(VALID), |
| CHECK_AND_PRINT_I(IBSS), CHECK_AND_PRINT_I(ACTIVE), CHECK_AND_PRINT_I(RADAR), |
| CHECK_AND_PRINT_I(WIDE), CHECK_AND_PRINT_I(DFS), |
| eeprom_ch_info[ch_idx].flags, eeprom_ch_info[ch_idx].max_power_avg, |
| ((eeprom_ch_info[ch_idx].flags & EEPROM_CHANNEL_IBSS) && |
| !(eeprom_ch_info[ch_idx].flags & EEPROM_CHANNEL_RADAR)) |
| ? "" |
| : "not "); |
| } |
| } |
| |
| if (cfg->eeprom_params->enhanced_txpower) { |
| /* |
| * for newer device (6000 series and up) |
| * EEPROM contain enhanced tx power information |
| * driver need to process addition information |
| * to determine the max channel tx power limits |
| */ |
| iwl_eeprom_enhanced_txpower(dev, data, eeprom, eeprom_size, n_channels); |
| } else { |
| /* All others use data from channel map */ |
| int i; |
| |
| data->max_tx_pwr_half_dbm = -128; |
| |
| for (i = 0; i < n_channels; i++) |
| data->max_tx_pwr_half_dbm = |
| max_t(int8_t, data->max_tx_pwr_half_dbm, data->channels[i].max_power * 2); |
| } |
| |
| /* Check if we do have HT40 channels */ |
| if (cfg->eeprom_params->regulatory_bands[5] == EEPROM_REGULATORY_BAND_NO_HT40 && |
| cfg->eeprom_params->regulatory_bands[6] == EEPROM_REGULATORY_BAND_NO_HT40) { |
| return n_channels; |
| } |
| |
| /* Two additional EEPROM bands for 2.4 and 5 GHz HT40 channels */ |
| for (band = 6; band <= 7; band++) { |
| enum nl80211_band ieeeband; |
| |
| iwl_init_band_reference(cfg, eeprom, eeprom_size, band, &eeprom_ch_count, &eeprom_ch_info, |
| &eeprom_ch_array); |
| |
| /* EEPROM band 6 is 2.4, band 7 is 5 GHz */ |
| ieeeband = (band == 6) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; |
| |
| /* Loop through each band adding each of the channels */ |
| for (ch_idx = 0; ch_idx < eeprom_ch_count; ch_idx++) { |
| /* Set up driver's info for lower half */ |
| iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband, eeprom_ch_array[ch_idx], |
| &eeprom_ch_info[ch_idx], IEEE80211_CHAN_NO_HT40PLUS); |
| |
| /* Set up driver's info for upper half */ |
| iwl_mod_ht40_chan_info(dev, data, n_channels, ieeeband, eeprom_ch_array[ch_idx] + 4, |
| &eeprom_ch_info[ch_idx], IEEE80211_CHAN_NO_HT40MINUS); |
| } |
| } |
| |
| return n_channels; |
| } |
| #endif // NEEDS_PORTING |
| |
| int iwl_init_sband_channels(struct iwl_nvm_data* data, struct ieee80211_supported_band* sband, |
| int n_channels, wlan_info_band_t band) { |
| struct ieee80211_channel* chan = &data->channels[0]; |
| int n = 0, idx = 0; |
| |
| while (idx < n_channels && chan->band != band) { |
| chan = &data->channels[++idx]; |
| } |
| |
| sband->channels = &data->channels[idx]; |
| |
| while (idx < n_channels && chan->band == band) { |
| chan = &data->channels[++idx]; |
| n++; |
| } |
| |
| sband->n_channels = n; |
| |
| return n; |
| } |
| |
| #if 0 // NEEDS_PORTING |
| #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
| #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ |
| |
| void iwl_init_ht_hw_capab(const struct iwl_cfg* cfg, struct iwl_nvm_data* data, |
| struct ieee80211_sta_ht_cap* ht_info, enum nl80211_band band, |
| uint8_t tx_chains, uint8_t rx_chains) { |
| int max_bit_rate = 0; |
| |
| tx_chains = hweight8(tx_chains); |
| if (cfg->rx_with_siso_diversity) { |
| rx_chains = 1; |
| } else { |
| rx_chains = hweight8(rx_chains); |
| } |
| |
| if (!(data->sku_cap_11n_enable) || (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) || |
| !cfg->ht_params) { |
| ht_info->ht_supported = false; |
| return; |
| } |
| |
| if (data->sku_cap_mimo_disabled) { |
| rx_chains = 1; |
| } |
| |
| ht_info->ht_supported = true; |
| ht_info->cap = IEEE80211_HT_CAP_DSSSCCK40; |
| |
| if (cfg->ht_params->stbc) { |
| ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); |
| |
| if (tx_chains > 1) { |
| ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; |
| } |
| } |
| |
| if (cfg->ht_params->ldpc) { |
| ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; |
| } |
| |
| if ((cfg->mq_rx_supported && iwlwifi_mod_params.amsdu_size == IWL_AMSDU_DEF) || |
| iwlwifi_mod_params.amsdu_size >= IWL_AMSDU_8K) { |
| ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; |
| } |
| |
| ht_info->ampdu_factor = cfg->max_ht_ampdu_exponent; |
| ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4; |
| |
| ht_info->mcs.rx_mask[0] = 0xFF; |
| if (rx_chains >= 2) { |
| ht_info->mcs.rx_mask[1] = 0xFF; |
| } |
| if (rx_chains >= 3) { |
| ht_info->mcs.rx_mask[2] = 0xFF; |
| } |
| |
| if (cfg->ht_params->ht_greenfield_support) { |
| ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
| } |
| ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| |
| max_bit_rate = MAX_BIT_RATE_20_MHZ; |
| |
| if (cfg->ht_params->ht40_bands & BIT(band)) { |
| ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| max_bit_rate = MAX_BIT_RATE_40_MHZ; |
| } |
| |
| /* Highest supported Rx data rate */ |
| max_bit_rate *= rx_chains; |
| WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); |
| ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); |
| |
| /* Tx MCS capabilities */ |
| ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| if (tx_chains != rx_chains) { |
| ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; |
| ht_info->mcs.tx_params |= ((tx_chains - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); |
| } |
| } |
| |
| static void iwl_init_sbands(struct device* dev, const struct iwl_cfg* cfg, |
| struct iwl_nvm_data* data, const uint8_t* eeprom, size_t eeprom_size) { |
| int n_channels = iwl_init_channel_map(dev, cfg, data, eeprom, eeprom_size); |
| int n_used = 0; |
| struct ieee80211_supported_band* sband; |
| |
| sband = &data->bands[NL80211_BAND_2GHZ]; |
| sband->band = NL80211_BAND_2GHZ; |
| sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS]; |
| sband->n_bitrates = N_RATES_24; |
| n_used += iwl_init_sband_channels(data, sband, n_channels, NL80211_BAND_2GHZ); |
| iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_2GHZ, data->valid_tx_ant, |
| data->valid_rx_ant); |
| |
| sband = &data->bands[NL80211_BAND_5GHZ]; |
| sband->band = NL80211_BAND_5GHZ; |
| sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS]; |
| sband->n_bitrates = N_RATES_52; |
| n_used += iwl_init_sband_channels(data, sband, n_channels, NL80211_BAND_5GHZ); |
| iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, NL80211_BAND_5GHZ, data->valid_tx_ant, |
| data->valid_rx_ant); |
| |
| if (n_channels != n_used) { |
| IWL_ERR_DEV(dev, "EEPROM: used only %d of %d channels\n", n_used, n_channels); |
| } |
| } |
| |
| /* EEPROM data functions */ |
| |
| struct iwl_nvm_data* iwl_parse_eeprom_data(struct device* dev, const struct iwl_cfg* cfg, |
| const uint8_t* eeprom, size_t eeprom_size) { |
| struct iwl_nvm_data* data; |
| const void* tmp; |
| uint16_t radio_cfg, sku; |
| |
| if (WARN_ON(!cfg || !cfg->eeprom_params)) { |
| return NULL; |
| } |
| |
| data = kzalloc(sizeof(*data) + sizeof(struct ieee80211_channel) * IWL_NUM_CHANNELS, GFP_KERNEL); |
| if (!data) { |
| return NULL; |
| } |
| |
| /* get MAC address(es) */ |
| tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_MAC_ADDRESS); |
| if (!tmp) { |
| goto err_free; |
| } |
| memcpy(data->hw_addr, tmp, ETH_ALEN); |
| data->n_hw_addrs = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_NUM_MAC_ADDRESS); |
| |
| if (iwl_eeprom_read_calib(eeprom, eeprom_size, data)) { |
| goto err_free; |
| } |
| |
| tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_XTAL); |
| if (!tmp) { |
| goto err_free; |
| } |
| memcpy(data->xtal_calib, tmp, sizeof(data->xtal_calib)); |
| |
| tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_RAW_TEMPERATURE); |
| if (!tmp) { |
| goto err_free; |
| } |
| data->raw_temperature = *(__le16*)tmp; |
| |
| tmp = iwl_eeprom_query_addr(eeprom, eeprom_size, EEPROM_KELVIN_TEMPERATURE); |
| if (!tmp) { |
| goto err_free; |
| } |
| data->kelvin_temperature = *(__le16*)tmp; |
| data->kelvin_voltage = *((__le16*)tmp + 1); |
| |
| radio_cfg = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_RADIO_CONFIG); |
| data->radio_cfg_dash = EEPROM_RF_CFG_DASH_MSK(radio_cfg); |
| data->radio_cfg_pnum = EEPROM_RF_CFG_PNUM_MSK(radio_cfg); |
| data->radio_cfg_step = EEPROM_RF_CFG_STEP_MSK(radio_cfg); |
| data->radio_cfg_type = EEPROM_RF_CFG_TYPE_MSK(radio_cfg); |
| data->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg); |
| data->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); |
| |
| sku = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_SKU_CAP); |
| data->sku_cap_11n_enable = sku & EEPROM_SKU_CAP_11N_ENABLE; |
| data->sku_cap_amt_enable = sku & EEPROM_SKU_CAP_AMT_ENABLE; |
| data->sku_cap_band_24ghz_enable = sku & EEPROM_SKU_CAP_BAND_24GHZ; |
| data->sku_cap_band_52ghz_enable = sku & EEPROM_SKU_CAP_BAND_52GHZ; |
| data->sku_cap_ipan_enable = sku & EEPROM_SKU_CAP_IPAN_ENABLE; |
| if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) { |
| data->sku_cap_11n_enable = false; |
| } |
| |
| data->nvm_version = iwl_eeprom_query16(eeprom, eeprom_size, EEPROM_VERSION); |
| |
| /* check overrides (some devices have wrong EEPROM) */ |
| if (cfg->valid_tx_ant) { |
| data->valid_tx_ant = cfg->valid_tx_ant; |
| } |
| if (cfg->valid_rx_ant) { |
| data->valid_rx_ant = cfg->valid_rx_ant; |
| } |
| |
| if (!data->valid_tx_ant || !data->valid_rx_ant) { |
| IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n", data->valid_tx_ant, data->valid_rx_ant); |
| goto err_free; |
| } |
| |
| iwl_init_sbands(dev, cfg, data, eeprom, eeprom_size); |
| |
| return data; |
| err_free: |
| kfree(data); |
| return NULL; |
| } |
| IWL_EXPORT_SYMBOL(iwl_parse_eeprom_data); |
| #endif // NEEDS_PORTING |
