diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-nvm-parse.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-nvm-parse.c | 844 |
1 files changed, 0 insertions, 844 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c deleted file mode 100644 index d82984912e04..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ /dev/null @@ -1,844 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH - * 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 <linux/types.h> -#include <linux/slab.h> -#include <linux/export.h> -#include <linux/etherdevice.h> -#include <linux/pci.h> -#include "iwl-drv.h" -#include "iwl-modparams.h" -#include "iwl-nvm-parse.h" - -/* NVM offsets (in words) definitions */ -enum wkp_nvm_offsets { - /* NVM HW-Section offset (in words) definitions */ - HW_ADDR = 0x15, - - /* NVM SW-Section offset (in words) definitions */ - NVM_SW_SECTION = 0x1C0, - NVM_VERSION = 0, - RADIO_CFG = 1, - SKU = 2, - N_HW_ADDRS = 3, - NVM_CHANNELS = 0x1E0 - NVM_SW_SECTION, - - /* NVM calibration section offset (in words) definitions */ - NVM_CALIB_SECTION = 0x2B8, - XTAL_CALIB = 0x316 - NVM_CALIB_SECTION -}; - -enum family_8000_nvm_offsets { - /* NVM HW-Section offset (in words) definitions */ - HW_ADDR0_WFPM_FAMILY_8000 = 0x12, - HW_ADDR1_WFPM_FAMILY_8000 = 0x16, - HW_ADDR0_PCIE_FAMILY_8000 = 0x8A, - HW_ADDR1_PCIE_FAMILY_8000 = 0x8E, - MAC_ADDRESS_OVERRIDE_FAMILY_8000 = 1, - - /* NVM SW-Section offset (in words) definitions */ - NVM_SW_SECTION_FAMILY_8000 = 0x1C0, - NVM_VERSION_FAMILY_8000 = 0, - RADIO_CFG_FAMILY_8000 = 0, - SKU_FAMILY_8000 = 2, - N_HW_ADDRS_FAMILY_8000 = 3, - - /* NVM REGULATORY -Section offset (in words) definitions */ - NVM_CHANNELS_FAMILY_8000 = 0, - NVM_LAR_OFFSET_FAMILY_8000_OLD = 0x4C7, - NVM_LAR_OFFSET_FAMILY_8000 = 0x507, - NVM_LAR_ENABLED_FAMILY_8000 = 0x7, - - /* NVM calibration section offset (in words) definitions */ - NVM_CALIB_SECTION_FAMILY_8000 = 0x2B8, - XTAL_CALIB_FAMILY_8000 = 0x316 - NVM_CALIB_SECTION_FAMILY_8000 -}; - -/* SKU Capabilities (actual values from NVM definition) */ -enum nvm_sku_bits { - NVM_SKU_CAP_BAND_24GHZ = BIT(0), - NVM_SKU_CAP_BAND_52GHZ = BIT(1), - NVM_SKU_CAP_11N_ENABLE = BIT(2), - NVM_SKU_CAP_11AC_ENABLE = BIT(3), - NVM_SKU_CAP_MIMO_DISABLE = BIT(5), -}; - -/* - * These are the channel numbers in the order that they are stored in the NVM - */ -static const u8 iwl_nvm_channels[] = { - /* 2.4 GHz */ - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - /* 5 GHz */ - 36, 40, 44 , 48, 52, 56, 60, 64, - 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, - 149, 153, 157, 161, 165 -}; - -static const u8 iwl_nvm_channels_family_8000[] = { - /* 2.4 GHz */ - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - /* 5 GHz */ - 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, - 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, - 149, 153, 157, 161, 165, 169, 173, 177, 181 -}; - -#define IWL_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels) -#define IWL_NUM_CHANNELS_FAMILY_8000 ARRAY_SIZE(iwl_nvm_channels_family_8000) -#define NUM_2GHZ_CHANNELS 14 -#define NUM_2GHZ_CHANNELS_FAMILY_8000 14 -#define FIRST_2GHZ_HT_MINUS 5 -#define LAST_2GHZ_HT_PLUS 9 -#define LAST_5GHZ_HT 165 -#define LAST_5GHZ_HT_FAMILY_8000 181 -#define N_HW_ADDR_MASK 0xF - -/* 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) - -/** - * enum iwl_nvm_channel_flags - channel flags in NVM - * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo - * @NVM_CHANNEL_IBSS: usable as an IBSS channel - * @NVM_CHANNEL_ACTIVE: active scanning allowed - * @NVM_CHANNEL_RADAR: radar detection required - * @NVM_CHANNEL_INDOOR_ONLY: only indoor use is allowed - * @NVM_CHANNEL_GO_CONCURRENT: GO operation is allowed when connected to BSS - * on same channel on 2.4 or same UNII band on 5.2 - * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?) - * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?) - * @NVM_CHANNEL_80MHZ: 80 MHz channel okay (?) - * @NVM_CHANNEL_160MHZ: 160 MHz channel okay (?) - */ -enum iwl_nvm_channel_flags { - NVM_CHANNEL_VALID = BIT(0), - NVM_CHANNEL_IBSS = BIT(1), - NVM_CHANNEL_ACTIVE = BIT(3), - NVM_CHANNEL_RADAR = BIT(4), - NVM_CHANNEL_INDOOR_ONLY = BIT(5), - NVM_CHANNEL_GO_CONCURRENT = BIT(6), - NVM_CHANNEL_WIDE = BIT(8), - NVM_CHANNEL_40MHZ = BIT(9), - NVM_CHANNEL_80MHZ = BIT(10), - NVM_CHANNEL_160MHZ = BIT(11), -}; - -#define CHECK_AND_PRINT_I(x) \ - ((ch_flags & NVM_CHANNEL_##x) ? # x " " : "") - -static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, bool is_5ghz, - u16 nvm_flags, const struct iwl_cfg *cfg) -{ - u32 flags = IEEE80211_CHAN_NO_HT40; - u32 last_5ghz_ht = LAST_5GHZ_HT; - - if (cfg->device_family == IWL_DEVICE_FAMILY_8000) - last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000; - - if (!is_5ghz && (nvm_flags & NVM_CHANNEL_40MHZ)) { - if (ch_num <= LAST_2GHZ_HT_PLUS) - flags &= ~IEEE80211_CHAN_NO_HT40PLUS; - if (ch_num >= FIRST_2GHZ_HT_MINUS) - flags &= ~IEEE80211_CHAN_NO_HT40MINUS; - } else if (ch_num <= last_5ghz_ht && (nvm_flags & NVM_CHANNEL_40MHZ)) { - if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0) - flags &= ~IEEE80211_CHAN_NO_HT40PLUS; - else - flags &= ~IEEE80211_CHAN_NO_HT40MINUS; - } - if (!(nvm_flags & NVM_CHANNEL_80MHZ)) - flags |= IEEE80211_CHAN_NO_80MHZ; - if (!(nvm_flags & NVM_CHANNEL_160MHZ)) - flags |= IEEE80211_CHAN_NO_160MHZ; - - if (!(nvm_flags & NVM_CHANNEL_IBSS)) - flags |= IEEE80211_CHAN_NO_IR; - - if (!(nvm_flags & NVM_CHANNEL_ACTIVE)) - flags |= IEEE80211_CHAN_NO_IR; - - if (nvm_flags & NVM_CHANNEL_RADAR) - flags |= IEEE80211_CHAN_RADAR; - - if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY) - flags |= IEEE80211_CHAN_INDOOR_ONLY; - - /* Set the GO concurrent flag only in case that NO_IR is set. - * Otherwise it is meaningless - */ - if ((nvm_flags & NVM_CHANNEL_GO_CONCURRENT) && - (flags & IEEE80211_CHAN_NO_IR)) - flags |= IEEE80211_CHAN_IR_CONCURRENT; - - return flags; -} - -static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - const __le16 * const nvm_ch_flags, - bool lar_supported) -{ - int ch_idx; - int n_channels = 0; - struct ieee80211_channel *channel; - u16 ch_flags; - bool is_5ghz; - int num_of_ch, num_2ghz_channels; - const u8 *nvm_chan; - - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) { - num_of_ch = IWL_NUM_CHANNELS; - nvm_chan = &iwl_nvm_channels[0]; - num_2ghz_channels = NUM_2GHZ_CHANNELS; - } else { - num_of_ch = IWL_NUM_CHANNELS_FAMILY_8000; - nvm_chan = &iwl_nvm_channels_family_8000[0]; - num_2ghz_channels = NUM_2GHZ_CHANNELS_FAMILY_8000; - } - - for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) { - ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); - - if (ch_idx >= num_2ghz_channels && - !data->sku_cap_band_52GHz_enable) - continue; - - if (!lar_supported && !(ch_flags & NVM_CHANNEL_VALID)) { - /* - * Channels might become valid later if lar is - * supported, hence we still want to add them to - * the list of supported channels to cfg80211. - */ - IWL_DEBUG_EEPROM(dev, - "Ch. %d Flags %x [%sGHz] - No traffic\n", - nvm_chan[ch_idx], - ch_flags, - (ch_idx >= num_2ghz_channels) ? - "5.2" : "2.4"); - continue; - } - - channel = &data->channels[n_channels]; - n_channels++; - - channel->hw_value = nvm_chan[ch_idx]; - channel->band = (ch_idx < num_2ghz_channels) ? - IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; - channel->center_freq = - ieee80211_channel_to_frequency( - channel->hw_value, channel->band); - - /* Initialize regulatory-based run-time data */ - - /* - * Default value - highest tx power value. max_power - * is not used in mvm, and is used for backwards compatibility - */ - channel->max_power = IWL_DEFAULT_MAX_TX_POWER; - is_5ghz = channel->band == IEEE80211_BAND_5GHZ; - - /* don't put limitations in case we're using LAR */ - if (!lar_supported) - channel->flags = iwl_get_channel_flags(nvm_chan[ch_idx], - ch_idx, is_5ghz, - ch_flags, cfg); - else - channel->flags = 0; - - IWL_DEBUG_EEPROM(dev, - "Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n", - channel->hw_value, - is_5ghz ? "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(INDOOR_ONLY), - CHECK_AND_PRINT_I(GO_CONCURRENT), - ch_flags, - channel->max_power, - ((ch_flags & NVM_CHANNEL_IBSS) && - !(ch_flags & NVM_CHANNEL_RADAR)) - ? "" : "not "); - } - - return n_channels; -} - -static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - struct ieee80211_sta_vht_cap *vht_cap, - u8 tx_chains, u8 rx_chains) -{ - int num_rx_ants = num_of_ant(rx_chains); - int num_tx_ants = num_of_ant(tx_chains); - unsigned int max_ampdu_exponent = (cfg->max_vht_ampdu_exponent ?: - IEEE80211_VHT_MAX_AMPDU_1024K); - - vht_cap->vht_supported = true; - - vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 | - IEEE80211_VHT_CAP_RXSTBC_1 | - IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | - 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT | - max_ampdu_exponent << - IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; - - if (cfg->ht_params->ldpc) - vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC; - - if (data->sku_cap_mimo_disabled) { - num_rx_ants = 1; - num_tx_ants = 1; - } - - if (num_tx_ants > 1) - vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC; - else - vht_cap->cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; - - if (iwlwifi_mod_params.amsdu_size_8K) - vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991; - - vht_cap->vht_mcs.rx_mcs_map = - cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | - IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 | - IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | - IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | - IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | - IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | - IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | - IEEE80211_VHT_MCS_NOT_SUPPORTED << 14); - - if (num_rx_ants == 1 || cfg->rx_with_siso_diversity) { - vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN; - /* this works because NOT_SUPPORTED == 3 */ - vht_cap->vht_mcs.rx_mcs_map |= - cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << 2); - } - - vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map; -} - -static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - const __le16 *ch_section, - u8 tx_chains, u8 rx_chains, bool lar_supported) -{ - int n_channels; - int n_used = 0; - struct ieee80211_supported_band *sband; - - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) - n_channels = iwl_init_channel_map( - dev, cfg, data, - &ch_section[NVM_CHANNELS], lar_supported); - else - n_channels = iwl_init_channel_map( - dev, cfg, data, - &ch_section[NVM_CHANNELS_FAMILY_8000], - lar_supported); - - sband = &data->bands[IEEE80211_BAND_2GHZ]; - sband->band = IEEE80211_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, - IEEE80211_BAND_2GHZ); - iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ, - tx_chains, rx_chains); - - sband = &data->bands[IEEE80211_BAND_5GHZ]; - sband->band = IEEE80211_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, - IEEE80211_BAND_5GHZ); - iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ, - tx_chains, rx_chains); - if (data->sku_cap_11ac_enable) - iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap, - tx_chains, rx_chains); - - if (n_channels != n_used) - IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n", - n_used, n_channels); -} - -static int iwl_get_sku(const struct iwl_cfg *cfg, const __le16 *nvm_sw, - const __le16 *phy_sku) -{ - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) - return le16_to_cpup(nvm_sw + SKU); - - return le32_to_cpup((__le32 *)(phy_sku + SKU_FAMILY_8000)); -} - -static int iwl_get_nvm_version(const struct iwl_cfg *cfg, const __le16 *nvm_sw) -{ - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) - return le16_to_cpup(nvm_sw + NVM_VERSION); - else - return le32_to_cpup((__le32 *)(nvm_sw + - NVM_VERSION_FAMILY_8000)); -} - -static int iwl_get_radio_cfg(const struct iwl_cfg *cfg, const __le16 *nvm_sw, - const __le16 *phy_sku) -{ - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) - return le16_to_cpup(nvm_sw + RADIO_CFG); - - return le32_to_cpup((__le32 *)(phy_sku + RADIO_CFG_FAMILY_8000)); - -} - -static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg, const __le16 *nvm_sw) -{ - int n_hw_addr; - - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) - return le16_to_cpup(nvm_sw + N_HW_ADDRS); - - n_hw_addr = le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000)); - - return n_hw_addr & N_HW_ADDR_MASK; -} - -static void iwl_set_radio_cfg(const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - u32 radio_cfg) -{ - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) { - data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK(radio_cfg); - data->radio_cfg_step = NVM_RF_CFG_STEP_MSK(radio_cfg); - data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK(radio_cfg); - data->radio_cfg_pnum = NVM_RF_CFG_PNUM_MSK(radio_cfg); - return; - } - - /* set the radio configuration for family 8000 */ - data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK_FAMILY_8000(radio_cfg); - data->radio_cfg_step = NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg); - data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg); - data->radio_cfg_pnum = NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg); - data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg); - data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg); -} - -static void iwl_set_hw_address(const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - const __le16 *nvm_sec) -{ - const u8 *hw_addr = (const u8 *)(nvm_sec + HW_ADDR); - - /* The byte order is little endian 16 bit, meaning 214365 */ - data->hw_addr[0] = hw_addr[1]; - data->hw_addr[1] = hw_addr[0]; - data->hw_addr[2] = hw_addr[3]; - data->hw_addr[3] = hw_addr[2]; - data->hw_addr[4] = hw_addr[5]; - data->hw_addr[5] = hw_addr[4]; -} - -static void iwl_set_hw_address_family_8000(struct device *dev, - const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - const __le16 *mac_override, - const __le16 *nvm_hw, - u32 mac_addr0, u32 mac_addr1) -{ - const u8 *hw_addr; - - if (mac_override) { - static const u8 reserved_mac[] = { - 0x02, 0xcc, 0xaa, 0xff, 0xee, 0x00 - }; - - hw_addr = (const u8 *)(mac_override + - MAC_ADDRESS_OVERRIDE_FAMILY_8000); - - /* - * Store the MAC address from MAO section. - * No byte swapping is required in MAO section - */ - memcpy(data->hw_addr, hw_addr, ETH_ALEN); - - /* - * Force the use of the OTP MAC address in case of reserved MAC - * address in the NVM, or if address is given but invalid. - */ - if (is_valid_ether_addr(data->hw_addr) && - memcmp(reserved_mac, hw_addr, ETH_ALEN) != 0) - return; - - IWL_ERR_DEV(dev, - "mac address from nvm override section is not valid\n"); - } - - if (nvm_hw) { - /* read the MAC address from HW resisters */ - hw_addr = (const u8 *)&mac_addr0; - data->hw_addr[0] = hw_addr[3]; - data->hw_addr[1] = hw_addr[2]; - data->hw_addr[2] = hw_addr[1]; - data->hw_addr[3] = hw_addr[0]; - - hw_addr = (const u8 *)&mac_addr1; - data->hw_addr[4] = hw_addr[1]; - data->hw_addr[5] = hw_addr[0]; - - if (!is_valid_ether_addr(data->hw_addr)) - IWL_ERR_DEV(dev, - "mac address from hw section is not valid\n"); - - return; - } - - IWL_ERR_DEV(dev, "mac address is not found\n"); -} - -#define IWL_4165_DEVICE_ID 0x5501 - -struct iwl_nvm_data * -iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, - const __le16 *nvm_hw, const __le16 *nvm_sw, - const __le16 *nvm_calib, const __le16 *regulatory, - const __le16 *mac_override, const __le16 *phy_sku, - u8 tx_chains, u8 rx_chains, bool lar_fw_supported, - u32 mac_addr0, u32 mac_addr1, u32 hw_id) -{ - struct iwl_nvm_data *data; - u32 sku; - u32 radio_cfg; - u16 lar_config; - - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) - data = kzalloc(sizeof(*data) + - sizeof(struct ieee80211_channel) * - IWL_NUM_CHANNELS, - GFP_KERNEL); - else - data = kzalloc(sizeof(*data) + - sizeof(struct ieee80211_channel) * - IWL_NUM_CHANNELS_FAMILY_8000, - GFP_KERNEL); - if (!data) - return NULL; - - data->nvm_version = iwl_get_nvm_version(cfg, nvm_sw); - - radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw, phy_sku); - iwl_set_radio_cfg(cfg, data, radio_cfg); - if (data->valid_tx_ant) - tx_chains &= data->valid_tx_ant; - if (data->valid_rx_ant) - rx_chains &= data->valid_rx_ant; - - sku = iwl_get_sku(cfg, nvm_sw, phy_sku); - data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ; - data->sku_cap_band_52GHz_enable = sku & NVM_SKU_CAP_BAND_52GHZ; - data->sku_cap_11n_enable = sku & NVM_SKU_CAP_11N_ENABLE; - if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) - data->sku_cap_11n_enable = false; - data->sku_cap_11ac_enable = data->sku_cap_11n_enable && - (sku & NVM_SKU_CAP_11AC_ENABLE); - data->sku_cap_mimo_disabled = sku & NVM_SKU_CAP_MIMO_DISABLE; - - /* - * OTP 0x52 bug work around - * define antenna 1x1 according to MIMO disabled - */ - if (hw_id == IWL_4165_DEVICE_ID && data->sku_cap_mimo_disabled) { - data->valid_tx_ant = ANT_B; - data->valid_rx_ant = ANT_B; - tx_chains = ANT_B; - rx_chains = ANT_B; - } - - data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw); - - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) { - /* Checking for required sections */ - if (!nvm_calib) { - IWL_ERR_DEV(dev, - "Can't parse empty Calib NVM sections\n"); - kfree(data); - return NULL; - } - /* in family 8000 Xtal calibration values moved to OTP */ - data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB); - data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1); - } - - if (cfg->device_family != IWL_DEVICE_FAMILY_8000) { - iwl_set_hw_address(cfg, data, nvm_hw); - - iwl_init_sbands(dev, cfg, data, nvm_sw, - tx_chains, rx_chains, lar_fw_supported); - } else { - u16 lar_offset = data->nvm_version < 0xE39 ? - NVM_LAR_OFFSET_FAMILY_8000_OLD : - NVM_LAR_OFFSET_FAMILY_8000; - - lar_config = le16_to_cpup(regulatory + lar_offset); - data->lar_enabled = !!(lar_config & - NVM_LAR_ENABLED_FAMILY_8000); - - /* MAC address in family 8000 */ - iwl_set_hw_address_family_8000(dev, cfg, data, mac_override, - nvm_hw, mac_addr0, mac_addr1); - - iwl_init_sbands(dev, cfg, data, regulatory, - tx_chains, rx_chains, - lar_fw_supported && data->lar_enabled); - } - - data->calib_version = 255; - - return data; -} -IWL_EXPORT_SYMBOL(iwl_parse_nvm_data); - -static u32 iwl_nvm_get_regdom_bw_flags(const u8 *nvm_chan, - int ch_idx, u16 nvm_flags, - const struct iwl_cfg *cfg) -{ - u32 flags = NL80211_RRF_NO_HT40; - u32 last_5ghz_ht = LAST_5GHZ_HT; - - if (cfg->device_family == IWL_DEVICE_FAMILY_8000) - last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000; - - if (ch_idx < NUM_2GHZ_CHANNELS && - (nvm_flags & NVM_CHANNEL_40MHZ)) { - if (nvm_chan[ch_idx] <= LAST_2GHZ_HT_PLUS) - flags &= ~NL80211_RRF_NO_HT40PLUS; - if (nvm_chan[ch_idx] >= FIRST_2GHZ_HT_MINUS) - flags &= ~NL80211_RRF_NO_HT40MINUS; - } else if (nvm_chan[ch_idx] <= last_5ghz_ht && - (nvm_flags & NVM_CHANNEL_40MHZ)) { - if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0) - flags &= ~NL80211_RRF_NO_HT40PLUS; - else - flags &= ~NL80211_RRF_NO_HT40MINUS; - } - - if (!(nvm_flags & NVM_CHANNEL_80MHZ)) - flags |= NL80211_RRF_NO_80MHZ; - if (!(nvm_flags & NVM_CHANNEL_160MHZ)) - flags |= NL80211_RRF_NO_160MHZ; - - if (!(nvm_flags & NVM_CHANNEL_ACTIVE)) - flags |= NL80211_RRF_NO_IR; - - if (nvm_flags & NVM_CHANNEL_RADAR) - flags |= NL80211_RRF_DFS; - - if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY) - flags |= NL80211_RRF_NO_OUTDOOR; - - /* Set the GO concurrent flag only in case that NO_IR is set. - * Otherwise it is meaningless - */ - if ((nvm_flags & NVM_CHANNEL_GO_CONCURRENT) && - (flags & NL80211_RRF_NO_IR)) - flags |= NL80211_RRF_GO_CONCURRENT; - - return flags; -} - -struct ieee80211_regdomain * -iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, - int num_of_ch, __le32 *channels, u16 fw_mcc) -{ - int ch_idx; - u16 ch_flags, prev_ch_flags = 0; - const u8 *nvm_chan = cfg->device_family == IWL_DEVICE_FAMILY_8000 ? - iwl_nvm_channels_family_8000 : iwl_nvm_channels; - struct ieee80211_regdomain *regd; - int size_of_regd; - struct ieee80211_reg_rule *rule; - enum ieee80211_band band; - int center_freq, prev_center_freq = 0; - int valid_rules = 0; - bool new_rule; - int max_num_ch = cfg->device_family == IWL_DEVICE_FAMILY_8000 ? - IWL_NUM_CHANNELS_FAMILY_8000 : IWL_NUM_CHANNELS; - - if (WARN_ON_ONCE(num_of_ch > NL80211_MAX_SUPP_REG_RULES)) - return ERR_PTR(-EINVAL); - - if (WARN_ON(num_of_ch > max_num_ch)) - num_of_ch = max_num_ch; - - IWL_DEBUG_DEV(dev, IWL_DL_LAR, "building regdom for %d channels\n", - num_of_ch); - - /* build a regdomain rule for every valid channel */ - size_of_regd = - sizeof(struct ieee80211_regdomain) + - num_of_ch * sizeof(struct ieee80211_reg_rule); - - regd = kzalloc(size_of_regd, GFP_KERNEL); - if (!regd) - return ERR_PTR(-ENOMEM); - - for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) { - ch_flags = (u16)__le32_to_cpup(channels + ch_idx); - band = (ch_idx < NUM_2GHZ_CHANNELS) ? - IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; - center_freq = ieee80211_channel_to_frequency(nvm_chan[ch_idx], - band); - new_rule = false; - - if (!(ch_flags & NVM_CHANNEL_VALID)) { - IWL_DEBUG_DEV(dev, IWL_DL_LAR, - "Ch. %d Flags %x [%sGHz] - No traffic\n", - nvm_chan[ch_idx], - ch_flags, - (ch_idx >= NUM_2GHZ_CHANNELS) ? - "5.2" : "2.4"); - continue; - } - - /* we can't continue the same rule */ - if (ch_idx == 0 || prev_ch_flags != ch_flags || - center_freq - prev_center_freq > 20) { - valid_rules++; - new_rule = true; - } - - rule = ®d->reg_rules[valid_rules - 1]; - - if (new_rule) - rule->freq_range.start_freq_khz = - MHZ_TO_KHZ(center_freq - 10); - - rule->freq_range.end_freq_khz = MHZ_TO_KHZ(center_freq + 10); - - /* this doesn't matter - not used by FW */ - rule->power_rule.max_antenna_gain = DBI_TO_MBI(6); - rule->power_rule.max_eirp = - DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER); - - rule->flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx, - ch_flags, cfg); - - /* rely on auto-calculation to merge BW of contiguous chans */ - rule->flags |= NL80211_RRF_AUTO_BW; - rule->freq_range.max_bandwidth_khz = 0; - - prev_ch_flags = ch_flags; - prev_center_freq = center_freq; - - IWL_DEBUG_DEV(dev, IWL_DL_LAR, - "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x): Ad-Hoc %ssupported\n", - center_freq, - band == IEEE80211_BAND_5GHZ ? "5.2" : "2.4", - CHECK_AND_PRINT_I(VALID), - CHECK_AND_PRINT_I(ACTIVE), - CHECK_AND_PRINT_I(RADAR), - CHECK_AND_PRINT_I(WIDE), - CHECK_AND_PRINT_I(40MHZ), - CHECK_AND_PRINT_I(80MHZ), - CHECK_AND_PRINT_I(160MHZ), - CHECK_AND_PRINT_I(INDOOR_ONLY), - CHECK_AND_PRINT_I(GO_CONCURRENT), - ch_flags, - ((ch_flags & NVM_CHANNEL_ACTIVE) && - !(ch_flags & NVM_CHANNEL_RADAR)) - ? "" : "not "); - } - - regd->n_reg_rules = valid_rules; - - /* set alpha2 from FW. */ - regd->alpha2[0] = fw_mcc >> 8; - regd->alpha2[1] = fw_mcc & 0xff; - - return regd; -} -IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info); |