+++ /dev/null
-/******************************************************************************
- *
- * 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);
projects / cascardo / linux.git / blobdiff