diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c deleted file mode 100644 index b8347db850e7..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c +++ /dev/null @@ -1,299 +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 - 2011 Intel Corporation. All rights reserved. - * - * 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 LICENSE.GPL. - * - * 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 - 2011 Intel Corporation. All rights reserved. - * 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/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/init.h> - -#include <net/mac80211.h> - -#include "iwl-commands.h" -#include "iwl-dev.h" -#include "iwl-core.h" -#include "iwl-debug.h" -#include "iwl-agn.h" -#include "iwl-io.h" - -/****************************************************************************** - * - * EEPROM related functions - * -******************************************************************************/ - -int iwl_eeprom_check_version(struct iwl_priv *priv) -{ - u16 eeprom_ver; - u16 calib_ver; - - eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); - calib_ver = iwlagn_eeprom_calib_version(priv); - - if (eeprom_ver < priv->cfg->eeprom_ver || - calib_ver < priv->cfg->eeprom_calib_ver) - goto err; - - IWL_INFO(priv, "device EEPROM VER=0x%x, CALIB=0x%x\n", - eeprom_ver, calib_ver); - - return 0; -err: - IWL_ERR(priv, "Unsupported (too old) EEPROM VER=0x%x < 0x%x " - "CALIB=0x%x < 0x%x\n", - eeprom_ver, priv->cfg->eeprom_ver, - calib_ver, priv->cfg->eeprom_calib_ver); - return -EINVAL; - -} - -int iwl_eeprom_check_sku(struct iwl_priv *priv) -{ - u16 radio_cfg; - - if (!priv->cfg->sku) { - /* not using sku overwrite */ - priv->cfg->sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP); - if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE && - !priv->cfg->ht_params) { - IWL_ERR(priv, "Invalid 11n configuration\n"); - return -EINVAL; - } - } - if (!priv->cfg->sku) { - IWL_ERR(priv, "Invalid device sku\n"); - return -EINVAL; - } - - IWL_INFO(priv, "Device SKU: 0X%x\n", priv->cfg->sku); - - if (!priv->cfg->valid_tx_ant && !priv->cfg->valid_rx_ant) { - /* not using .cfg overwrite */ - radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG); - priv->cfg->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); - priv->cfg->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg); - if (!priv->cfg->valid_tx_ant || !priv->cfg->valid_rx_ant) { - IWL_ERR(priv, "Invalid chain (0X%x, 0X%x)\n", - priv->cfg->valid_tx_ant, - priv->cfg->valid_rx_ant); - return -EINVAL; - } - IWL_INFO(priv, "Valid Tx ant: 0X%x, Valid Rx ant: 0X%x\n", - priv->cfg->valid_tx_ant, priv->cfg->valid_rx_ant); - } - /* - * for some special cases, - * EEPROM did not reflect the correct antenna setting - * so overwrite the valid tx/rx antenna from .cfg - */ - return 0; -} - -void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac) -{ - const u8 *addr = iwl_eeprom_query_addr(priv, - EEPROM_MAC_ADDRESS); - memcpy(mac, addr, ETH_ALEN); -} - -/** - * iwl_get_max_txpower_avg - get the highest tx power from all chains. - * find the highest tx power from all chains for the channel - */ -static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, - struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, - int element, s8 *max_txpower_in_half_dbm) -{ - s8 max_txpower_avg = 0; /* (dBm) */ - - /* Take the highest tx power from any valid chains */ - if ((priv->cfg->valid_tx_ant & ANT_A) && - (enhanced_txpower[element].chain_a_max > max_txpower_avg)) - max_txpower_avg = enhanced_txpower[element].chain_a_max; - if ((priv->cfg->valid_tx_ant & ANT_B) && - (enhanced_txpower[element].chain_b_max > max_txpower_avg)) - max_txpower_avg = enhanced_txpower[element].chain_b_max; - if ((priv->cfg->valid_tx_ant & ANT_C) && - (enhanced_txpower[element].chain_c_max > max_txpower_avg)) - max_txpower_avg = enhanced_txpower[element].chain_c_max; - if (((priv->cfg->valid_tx_ant == ANT_AB) | - (priv->cfg->valid_tx_ant == ANT_BC) | - (priv->cfg->valid_tx_ant == ANT_AC)) && - (enhanced_txpower[element].mimo2_max > max_txpower_avg)) - max_txpower_avg = enhanced_txpower[element].mimo2_max; - if ((priv->cfg->valid_tx_ant == ANT_ABC) && - (enhanced_txpower[element].mimo3_max > max_txpower_avg)) - max_txpower_avg = enhanced_txpower[element].mimo3_max; - - /* - * max. tx power in EEPROM is in 1/2 dBm format - * convert from 1/2 dBm to dBm (round-up convert) - * but we also do not want to loss 1/2 dBm resolution which - * will impact performance - */ - *max_txpower_in_half_dbm = max_txpower_avg; - return (max_txpower_avg & 0x01) + (max_txpower_avg >> 1); -} - -static void -iwlcore_eeprom_enh_txp_read_element(struct iwl_priv *priv, - struct iwl_eeprom_enhanced_txpwr *txp, - s8 max_txpower_avg) -{ - int ch_idx; - bool is_ht40 = txp->flags & IWL_EEPROM_ENH_TXP_FL_40MHZ; - enum ieee80211_band band; - - band = txp->flags & IWL_EEPROM_ENH_TXP_FL_BAND_52G ? - IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ; - - for (ch_idx = 0; ch_idx < priv->channel_count; ch_idx++) { - struct iwl_channel_info *ch_info = &priv->channel_info[ch_idx]; - - /* update matching channel or from common data only */ - if (txp->channel != 0 && ch_info->channel != txp->channel) - continue; - - /* update matching band only */ - if (band != ch_info->band) - continue; - - if (ch_info->max_power_avg < max_txpower_avg && !is_ht40) { - ch_info->max_power_avg = max_txpower_avg; - ch_info->curr_txpow = max_txpower_avg; - ch_info->scan_power = max_txpower_avg; - } - - if (is_ht40 && ch_info->ht40_max_power_avg < max_txpower_avg) - ch_info->ht40_max_power_avg = max_txpower_avg; - } -} - -#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 " " : "") - -void iwlcore_eeprom_enhanced_txpower(struct iwl_priv *priv) -{ - struct iwl_eeprom_enhanced_txpwr *txp_array, *txp; - int idx, entries; - __le16 *txp_len; - s8 max_txp_avg, 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(priv, EEPROM_TXP_SZ_OFFS); - entries = le16_to_cpup(txp_len) * 2 / EEPROM_TXP_ENTRY_LEN; - - txp_array = (void *) iwl_eeprom_query_addr(priv, 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(priv, "%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(priv, "\t\t chain_A: 0x%02x " - "chain_B: 0X%02x chain_C: 0X%02x\n", - txp->chain_a_max, txp->chain_b_max, - txp->chain_c_max); - IWL_DEBUG_EEPROM(priv, "\t\t MIMO2: 0x%02x " - "MIMO3: 0x%02x 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 = iwl_get_max_txpower_avg(priv, txp_array, idx, - &max_txp_avg_halfdbm); - - /* - * Update the user limit values values to the highest - * power supported by any channel - */ - if (max_txp_avg > priv->tx_power_user_lmt) - priv->tx_power_user_lmt = max_txp_avg; - if (max_txp_avg_halfdbm > priv->tx_power_lmt_in_half_dbm) - priv->tx_power_lmt_in_half_dbm = max_txp_avg_halfdbm; - - iwlcore_eeprom_enh_txp_read_element(priv, txp, max_txp_avg); - } -} |