/******************************************************************************
*
* Copyright(c) 2008 - 2012 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.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <net/mac80211.h>
#include <linux/etherdevice.h>
#include <asm/unaligned.h>
#include <linux/stringify.h>
#include "iwl-eeprom.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-agn.h"
#include "iwl-agn-hw.h"
#include "iwl-trans.h"
#include "iwl-shared.h"
#include "iwl-cfg.h"
/* Highest firmware API version supported */
#define IWL6000_UCODE_API_MAX 6
#define IWL6050_UCODE_API_MAX 5
#define IWL6000G2_UCODE_API_MAX 6
/* Oldest version we won't warn about */
#define IWL6000_UCODE_API_OK 4
#define IWL6000G2_UCODE_API_OK 5
/* Lowest firmware API version supported */
#define IWL6000_UCODE_API_MIN 4
#define IWL6050_UCODE_API_MIN 4
#define IWL6000G2_UCODE_API_MIN 4
#define IWL6000_FW_PRE "iwlwifi-6000-"
#define IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE __stringify(api) ".ucode"
#define IWL6050_FW_PRE "iwlwifi-6050-"
#define IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE __stringify(api) ".ucode"
#define IWL6005_FW_PRE "iwlwifi-6000g2a-"
#define IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE __stringify(api) ".ucode"
#define IWL6030_FW_PRE "iwlwifi-6000g2b-"
#define IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE __stringify(api) ".ucode"
static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
{
/* want Celsius */
hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD;
hw_params(priv).ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}
static void iwl6050_additional_nic_config(struct iwl_priv *priv)
{
/* Indicate calibration version to uCode. */
if (iwl_eeprom_calib_version(priv->shrd) >= 6)
iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
}
static void iwl6150_additional_nic_config(struct iwl_priv *priv)
{
/* Indicate calibration version to uCode. */
if (iwl_eeprom_calib_version(priv->shrd) >= 6)
iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_6050_1x2);
}
static void iwl6000i_additional_nic_config(struct iwl_priv *priv)
{
/* 2x2 IPA phy type */
iwl_write32(trans(priv), CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
}
/* NIC configuration for 6000 series */
static void iwl6000_nic_config(struct iwl_priv *priv)
{
iwl_rf_config(priv);
/* do additional nic configuration if needed */
if (cfg(priv)->additional_nic_config)
cfg(priv)->additional_nic_config(priv);
}
static const struct iwl_sensitivity_ranges iwl6000_sensitivity = {
.min_nrg_cck = 110,
.auto_corr_min_ofdm = 80,
.auto_corr_min_ofdm_mrc = 128,
.auto_corr_min_ofdm_x1 = 105,
.auto_corr_min_ofdm_mrc_x1 = 192,
.auto_corr_max_ofdm = 145,
.auto_corr_max_ofdm_mrc = 232,
.auto_corr_max_ofdm_x1 = 110,
.auto_corr_max_ofdm_mrc_x1 = 232,
.auto_corr_min_cck = 125,
.auto_corr_max_cck = 175,
.auto_corr_min_cck_mrc = 160,
.auto_corr_max_cck_mrc = 310,
.nrg_th_cck = 110,
.nrg_th_ofdm = 110,
.barker_corr_th_min = 190,
.barker_corr_th_min_mrc = 336,
.nrg_th_cca = 62,
};
static void iwl6000_hw_set_hw_params(struct iwl_priv *priv)
{
hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
BIT(IEEE80211_BAND_5GHZ);
hw_params(priv).tx_chains_num =
num_of_ant(hw_params(priv).valid_tx_ant);
if (cfg(priv)->rx_with_siso_diversity)
hw_params(priv).rx_chains_num = 1;
else
hw_params(priv).rx_chains_num =
num_of_ant(hw_params(priv).valid_rx_ant);
iwl6000_set_ct_threshold(priv);
/* Set initial sensitivity parameters */
hw_params(priv).sens = &iwl6000_sensitivity;
}
static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
struct ieee80211_channel_switch *ch_switch)
{
/*
* MULTI-FIXME
* See iwlagn_mac_channel_switch.
*/
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl6000_channel_switch_cmd cmd;
const struct iwl_channel_info *ch_info;
u32 switch_time_in_usec, ucode_switch_time;
u16 ch;
u32 tsf_low;
u8 switch_count;
u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
struct ieee80211_vif *vif = ctx->vif;
struct iwl_host_cmd hcmd = {
.id = REPLY_CHANNEL_SWITCH,
.len = { sizeof(cmd), },
.flags = CMD_SYNC,
.data = { &cmd, },
};
cmd.band = priv->band == IEEE80211_BAND_2GHZ;
ch = ch_switch->channel->hw_value;
IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
ctx->active.channel, ch);
cmd.channel = cpu_to_le16(ch);
cmd.rxon_flags = ctx->staging.flags;
cmd.rxon_filter_flags = ctx->staging.filter_flags;
switch_count = ch_switch->count;
tsf_low = ch_switch->timestamp & 0x0ffffffff;
/*
* calculate the ucode channel switch time
* adding TSF as one of the factor for when to switch
*/
if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
beacon_interval)) {
switch_count -= (priv->ucode_beacon_time -
tsf_low) / beacon_interval;
} else
switch_count = 0;
}
if (switch_count <= 1)
cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
else {
switch_time_in_usec =
vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
ucode_switch_time = iwl_usecs_to_beacons(priv,
switch_time_in_usec,
beacon_interval);
cmd.switch_time = iwl_add_beacon_time(priv,
priv->ucode_beacon_time,
ucode_switch_time,
beacon_interval);
}
IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
cmd.switch_time);
ch_info = iwl_get_channel_info(priv, priv->band, ch);
if (ch_info)
cmd.expect_beacon = is_channel_radar(ch_info);
else {
IWL_ERR(priv, "invalid channel switch from %u to %u\n",
ctx->active.channel, ch);
return -EFAULT;
}
return iwl_dvm_send_cmd(priv, &hcmd);
}
static struct iwl_lib_ops iwl6000_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.set_channel_switch = iwl6000_hw_channel_switch,
.nic_config = iwl6000_nic_config,
.eeprom_ops = {
.regulatory_bands = {
EEPROM_REG_BAND_1_CHANNELS,
EEPROM_REG_BAND_2_CHANNELS,
EEPROM_REG_BAND_3_CHANNELS,
EEPROM_REG_BAND_4_CHANNELS,
EEPROM_REG_BAND_5_CHANNELS,
EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_REG_BAND_52_HT40_CHANNELS
},
.enhanced_txpower = true,
},
.temperature = iwlagn_temperature,
};
static struct iwl_lib_ops iwl6030_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.set_channel_switch = iwl6000_hw_channel_switch,
.nic_config = iwl6000_nic_config,
.eeprom_ops = {
.regulatory_bands = {
EEPROM_REG_BAND_1_CHANNELS,
EEPROM_REG_BAND_2_CHANNELS,
EEPROM_REG_BAND_3_CHANNELS,
EEPROM_REG_BAND_4_CHANNELS,
EEPROM_REG_BAND_5_CHANNELS,
EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_REG_BAND_52_HT40_CHANNELS
},
.enhanced_txpower = true,
},
.temperature = iwlagn_temperature,
};
static const struct iwl_base_params iwl6000_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.led_compensation = 51,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.chain_noise_scale = 1000,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 512,
.shadow_reg_enable = true,
};
static const struct iwl_base_params iwl6050_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
.shadow_ram_support = true,
.led_compensation = 51,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.chain_noise_scale = 1500,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 1024,
.shadow_reg_enable = true,
};
static const struct iwl_base_params iwl6000_g2_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.led_compensation = 57,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.chain_noise_scale = 1000,
.wd_timeout = IWL_LONG_WD_TIMEOUT,
.max_event_log_size = 512,
.shadow_reg_enable = true,
};
static const struct iwl_ht_params iwl6000_ht_params = {
.ht_greenfield_support = true,
.use_rts_for_aggregation = true, /* use rts/cts protection */
};
static const struct iwl_bt_params iwl6000_bt_params = {
/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
.advanced_bt_coexist = true,
.agg_time_limit = BT_AGG_THRESHOLD_DEF,
.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
.bt_sco_disable = true,
};
#define IWL_DEVICE_6005 \
.fw_name_pre = IWL6005_FW_PRE, \
.ucode_api_max = IWL6000G2_UCODE_API_MAX, \
.ucode_api_ok = IWL6000G2_UCODE_API_OK, \
.ucode_api_min = IWL6000G2_UCODE_API_MIN, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.eeprom_ver = EEPROM_6005_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \
.lib = &iwl6000_lib, \
.base_params = &iwl6000_g2_base_params, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE
const struct iwl_cfg iwl6005_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6205 AGN",
IWL_DEVICE_6005,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6005_2abg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6205 ABG",
IWL_DEVICE_6005,
};
const struct iwl_cfg iwl6005_2bg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6205 BG",
IWL_DEVICE_6005,
};
const struct iwl_cfg iwl6005_2agn_sff_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6205S AGN",
IWL_DEVICE_6005,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6005_2agn_d_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6205D AGN",
IWL_DEVICE_6005,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6005_2agn_mow1_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6206 AGN",
IWL_DEVICE_6005,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6005_2agn_mow2_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6207 AGN",
IWL_DEVICE_6005,
.ht_params = &iwl6000_ht_params,
};
#define IWL_DEVICE_6030 \
.fw_name_pre = IWL6030_FW_PRE, \
.ucode_api_max = IWL6000G2_UCODE_API_MAX, \
.ucode_api_ok = IWL6000G2_UCODE_API_OK, \
.ucode_api_min = IWL6000G2_UCODE_API_MIN, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
.lib = &iwl6030_lib, \
.base_params = &iwl6000_g2_base_params, \
.bt_params = &iwl6000_bt_params, \
.need_temp_offset_calib = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true \
const struct iwl_cfg iwl6030_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6230 AGN",
IWL_DEVICE_6030,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6030_2abg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6230 ABG",
IWL_DEVICE_6030,
};
const struct iwl_cfg iwl6030_2bgn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6230 BGN",
IWL_DEVICE_6030,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6030_2bg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6230 BG",
IWL_DEVICE_6030,
};
const struct iwl_cfg iwl6035_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6235 AGN",
IWL_DEVICE_6030,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl1030_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 1030 BGN",
IWL_DEVICE_6030,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl1030_bg_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 1030 BG",
IWL_DEVICE_6030,
};
const struct iwl_cfg iwl130_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 130 BGN",
IWL_DEVICE_6030,
.ht_params = &iwl6000_ht_params,
.rx_with_siso_diversity = true,
};
const struct iwl_cfg iwl130_bg_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 130 BG",
IWL_DEVICE_6030,
.rx_with_siso_diversity = true,
};
/*
* "i": Internal configuration, use internal Power Amplifier
*/
#define IWL_DEVICE_6000i \
.fw_name_pre = IWL6000_FW_PRE, \
.ucode_api_max = IWL6000_UCODE_API_MAX, \
.ucode_api_ok = IWL6000_UCODE_API_OK, \
.ucode_api_min = IWL6000_UCODE_API_MIN, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.valid_tx_ant = ANT_BC, /* .cfg overwrite */ \
.valid_rx_ant = ANT_BC, /* .cfg overwrite */ \
.eeprom_ver = EEPROM_6000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \
.lib = &iwl6000_lib, \
.additional_nic_config = iwl6000i_additional_nic_config,\
.base_params = &iwl6000_base_params, \
.led_mode = IWL_LED_BLINK
const struct iwl_cfg iwl6000i_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6200 AGN",
IWL_DEVICE_6000i,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6000i_2abg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6200 ABG",
IWL_DEVICE_6000i,
};
const struct iwl_cfg iwl6000i_2bg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N 6200 BG",
IWL_DEVICE_6000i,
};
#define IWL_DEVICE_6050 \
.fw_name_pre = IWL6050_FW_PRE, \
.ucode_api_max = IWL6050_UCODE_API_MAX, \
.ucode_api_min = IWL6050_UCODE_API_MIN, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.valid_tx_ant = ANT_AB, /* .cfg overwrite */ \
.valid_rx_ant = ANT_AB, /* .cfg overwrite */ \
.lib = &iwl6000_lib, \
.additional_nic_config = iwl6050_additional_nic_config, \
.eeprom_ver = EEPROM_6050_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \
.base_params = &iwl6050_base_params, \
.led_mode = IWL_LED_BLINK, \
.internal_wimax_coex = true
const struct iwl_cfg iwl6050_2agn_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN",
IWL_DEVICE_6050,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6050_2abg_cfg = {
.name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG",
IWL_DEVICE_6050,
};
#define IWL_DEVICE_6150 \
.fw_name_pre = IWL6050_FW_PRE, \
.ucode_api_max = IWL6050_UCODE_API_MAX, \
.ucode_api_min = IWL6050_UCODE_API_MIN, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
.lib = &iwl6000_lib, \
.additional_nic_config = iwl6150_additional_nic_config, \
.eeprom_ver = EEPROM_6150_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION, \
.base_params = &iwl6050_base_params, \
.led_mode = IWL_LED_BLINK, \
.internal_wimax_coex = true
const struct iwl_cfg iwl6150_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",
IWL_DEVICE_6150,
.ht_params = &iwl6000_ht_params,
};
const struct iwl_cfg iwl6150_bg_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BG",
IWL_DEVICE_6150,
};
const struct iwl_cfg iwl6000_3agn_cfg = {
.name = "Intel(R) Centrino(R) Ultimate-N 6300 AGN",
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.ucode_api_ok = IWL6000_UCODE_API_OK,
.ucode_api_min = IWL6000_UCODE_API_MIN,
.max_inst_size = IWL60_RTC_INST_SIZE,
.max_data_size = IWL60_RTC_DATA_SIZE,
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
.lib = &iwl6000_lib,
.base_params = &iwl6000_base_params,
.ht_params = &iwl6000_ht_params,
.led_mode = IWL_LED_BLINK,
};
MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_OK));
MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
