forked from Minki/linux
b8c2b05e14
chain_noise_num_beacons is set and never changes. Use the #define rather than 3 levels of indirection. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
448 lines
13 KiB
C
448 lines
13 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2007 - 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.
|
|
*
|
|
* 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/sched.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-sta.h"
|
|
#include "iwl-helpers.h"
|
|
#include "iwl-agn.h"
|
|
#include "iwl-agn-hw.h"
|
|
#include "iwl-5000-hw.h"
|
|
#include "iwl-trans.h"
|
|
#include "iwl-shared.h"
|
|
#include "iwl-pci.h"
|
|
|
|
/* Highest firmware API version supported */
|
|
#define IWL5000_UCODE_API_MAX 5
|
|
#define IWL5150_UCODE_API_MAX 2
|
|
|
|
/* Lowest firmware API version supported */
|
|
#define IWL5000_UCODE_API_MIN 1
|
|
#define IWL5150_UCODE_API_MIN 1
|
|
|
|
#define IWL5000_FW_PRE "iwlwifi-5000-"
|
|
#define IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE __stringify(api) ".ucode"
|
|
|
|
#define IWL5150_FW_PRE "iwlwifi-5150-"
|
|
#define IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE __stringify(api) ".ucode"
|
|
|
|
/* NIC configuration for 5000 series */
|
|
static void iwl5000_nic_config(struct iwl_priv *priv)
|
|
{
|
|
unsigned long flags;
|
|
|
|
iwl_rf_config(priv);
|
|
|
|
spin_lock_irqsave(&priv->shrd->lock, flags);
|
|
|
|
/* W/A : NIC is stuck in a reset state after Early PCIe power off
|
|
* (PCIe power is lost before PERST# is asserted),
|
|
* causing ME FW to lose ownership and not being able to obtain it back.
|
|
*/
|
|
iwl_set_bits_mask_prph(bus(priv), APMG_PS_CTRL_REG,
|
|
APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
|
|
~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
|
|
|
|
|
|
spin_unlock_irqrestore(&priv->shrd->lock, flags);
|
|
}
|
|
|
|
static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
|
|
.min_nrg_cck = 100,
|
|
.max_nrg_cck = 0, /* not used, set to 0 */
|
|
.auto_corr_min_ofdm = 90,
|
|
.auto_corr_min_ofdm_mrc = 170,
|
|
.auto_corr_min_ofdm_x1 = 105,
|
|
.auto_corr_min_ofdm_mrc_x1 = 220,
|
|
|
|
.auto_corr_max_ofdm = 120,
|
|
.auto_corr_max_ofdm_mrc = 210,
|
|
.auto_corr_max_ofdm_x1 = 120,
|
|
.auto_corr_max_ofdm_mrc_x1 = 240,
|
|
|
|
.auto_corr_min_cck = 125,
|
|
.auto_corr_max_cck = 200,
|
|
.auto_corr_min_cck_mrc = 200,
|
|
.auto_corr_max_cck_mrc = 400,
|
|
.nrg_th_cck = 100,
|
|
.nrg_th_ofdm = 100,
|
|
|
|
.barker_corr_th_min = 190,
|
|
.barker_corr_th_min_mrc = 390,
|
|
.nrg_th_cca = 62,
|
|
};
|
|
|
|
static struct iwl_sensitivity_ranges iwl5150_sensitivity = {
|
|
.min_nrg_cck = 95,
|
|
.max_nrg_cck = 0, /* not used, set to 0 */
|
|
.auto_corr_min_ofdm = 90,
|
|
.auto_corr_min_ofdm_mrc = 170,
|
|
.auto_corr_min_ofdm_x1 = 105,
|
|
.auto_corr_min_ofdm_mrc_x1 = 220,
|
|
|
|
.auto_corr_max_ofdm = 120,
|
|
.auto_corr_max_ofdm_mrc = 210,
|
|
/* max = min for performance bug in 5150 DSP */
|
|
.auto_corr_max_ofdm_x1 = 105,
|
|
.auto_corr_max_ofdm_mrc_x1 = 220,
|
|
|
|
.auto_corr_min_cck = 125,
|
|
.auto_corr_max_cck = 200,
|
|
.auto_corr_min_cck_mrc = 170,
|
|
.auto_corr_max_cck_mrc = 400,
|
|
.nrg_th_cck = 95,
|
|
.nrg_th_ofdm = 95,
|
|
|
|
.barker_corr_th_min = 190,
|
|
.barker_corr_th_min_mrc = 390,
|
|
.nrg_th_cca = 62,
|
|
};
|
|
|
|
static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
|
|
{
|
|
const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
|
|
s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) -
|
|
iwl_temp_calib_to_offset(priv);
|
|
|
|
hw_params(priv).ct_kill_threshold = threshold * volt2temp_coef;
|
|
}
|
|
|
|
static void iwl5000_set_ct_threshold(struct iwl_priv *priv)
|
|
{
|
|
/* want Celsius */
|
|
hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
|
|
}
|
|
|
|
static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
|
|
{
|
|
if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
|
|
iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
|
|
priv->cfg->base_params->num_of_queues =
|
|
iwlagn_mod_params.num_of_queues;
|
|
|
|
hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
|
|
hw_params(priv).max_stations = IWLAGN_STATION_COUNT;
|
|
priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
|
|
|
|
hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
|
|
hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;
|
|
|
|
hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
|
|
BIT(IEEE80211_BAND_5GHZ);
|
|
|
|
hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
|
|
hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
|
|
hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
|
|
hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
|
|
|
|
iwl5000_set_ct_threshold(priv);
|
|
|
|
/* Set initial sensitivity parameters */
|
|
/* Set initial calibration set */
|
|
hw_params(priv).sens = &iwl5000_sensitivity;
|
|
hw_params(priv).calib_init_cfg =
|
|
BIT(IWL_CALIB_XTAL) |
|
|
BIT(IWL_CALIB_LO) |
|
|
BIT(IWL_CALIB_TX_IQ) |
|
|
BIT(IWL_CALIB_TX_IQ_PERD) |
|
|
BIT(IWL_CALIB_BASE_BAND);
|
|
|
|
hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
|
|
{
|
|
if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES &&
|
|
iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES)
|
|
priv->cfg->base_params->num_of_queues =
|
|
iwlagn_mod_params.num_of_queues;
|
|
|
|
hw_params(priv).max_txq_num = priv->cfg->base_params->num_of_queues;
|
|
hw_params(priv).max_stations = IWLAGN_STATION_COUNT;
|
|
priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
|
|
|
|
hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE;
|
|
hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE;
|
|
|
|
hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
|
|
BIT(IEEE80211_BAND_5GHZ);
|
|
|
|
hw_params(priv).tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
|
|
hw_params(priv).rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
|
|
hw_params(priv).valid_tx_ant = priv->cfg->valid_tx_ant;
|
|
hw_params(priv).valid_rx_ant = priv->cfg->valid_rx_ant;
|
|
|
|
iwl5150_set_ct_threshold(priv);
|
|
|
|
/* Set initial sensitivity parameters */
|
|
/* Set initial calibration set */
|
|
hw_params(priv).sens = &iwl5150_sensitivity;
|
|
hw_params(priv).calib_init_cfg =
|
|
BIT(IWL_CALIB_LO) |
|
|
BIT(IWL_CALIB_TX_IQ) |
|
|
BIT(IWL_CALIB_BASE_BAND);
|
|
if (priv->cfg->need_dc_calib)
|
|
hw_params(priv).calib_init_cfg |= BIT(IWL_CALIB_DC);
|
|
|
|
hw_params(priv).beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void iwl5150_temperature(struct iwl_priv *priv)
|
|
{
|
|
u32 vt = 0;
|
|
s32 offset = iwl_temp_calib_to_offset(priv);
|
|
|
|
vt = le32_to_cpu(priv->statistics.common.temperature);
|
|
vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
|
|
/* now vt hold the temperature in Kelvin */
|
|
priv->temperature = KELVIN_TO_CELSIUS(vt);
|
|
iwl_tt_handler(priv);
|
|
}
|
|
|
|
static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
|
|
struct ieee80211_channel_switch *ch_switch)
|
|
{
|
|
/*
|
|
* MULTI-FIXME
|
|
* See iwl_mac_channel_switch.
|
|
*/
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
|
|
struct iwl5000_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 %d to %d\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_trans_send_cmd(trans(priv), &hcmd);
|
|
}
|
|
|
|
static struct iwl_lib_ops iwl5000_lib = {
|
|
.set_hw_params = iwl5000_hw_set_hw_params,
|
|
.set_channel_switch = iwl5000_hw_channel_switch,
|
|
.nic_config = iwl5000_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_REG_BAND_24_HT40_CHANNELS,
|
|
EEPROM_REG_BAND_52_HT40_CHANNELS
|
|
},
|
|
},
|
|
.temperature = iwlagn_temperature,
|
|
};
|
|
|
|
static struct iwl_lib_ops iwl5150_lib = {
|
|
.set_hw_params = iwl5150_hw_set_hw_params,
|
|
.set_channel_switch = iwl5000_hw_channel_switch,
|
|
.nic_config = iwl5000_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_REG_BAND_24_HT40_CHANNELS,
|
|
EEPROM_REG_BAND_52_HT40_CHANNELS
|
|
},
|
|
},
|
|
.temperature = iwl5150_temperature,
|
|
};
|
|
|
|
static struct iwl_base_params iwl5000_base_params = {
|
|
.eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
|
|
.num_of_queues = IWLAGN_NUM_QUEUES,
|
|
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
|
|
.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
|
|
.led_compensation = 51,
|
|
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,
|
|
.chain_noise_scale = 1000,
|
|
.wd_timeout = IWL_LONG_WD_TIMEOUT,
|
|
.max_event_log_size = 512,
|
|
.no_idle_support = true,
|
|
};
|
|
static struct iwl_ht_params iwl5000_ht_params = {
|
|
.ht_greenfield_support = true,
|
|
};
|
|
|
|
#define IWL_DEVICE_5000 \
|
|
.fw_name_pre = IWL5000_FW_PRE, \
|
|
.ucode_api_max = IWL5000_UCODE_API_MAX, \
|
|
.ucode_api_min = IWL5000_UCODE_API_MIN, \
|
|
.eeprom_ver = EEPROM_5000_EEPROM_VERSION, \
|
|
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \
|
|
.lib = &iwl5000_lib, \
|
|
.base_params = &iwl5000_base_params, \
|
|
.led_mode = IWL_LED_BLINK
|
|
|
|
struct iwl_cfg iwl5300_agn_cfg = {
|
|
.name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
|
|
IWL_DEVICE_5000,
|
|
/* at least EEPROM 0x11A has wrong info */
|
|
.valid_tx_ant = ANT_ABC, /* .cfg overwrite */
|
|
.valid_rx_ant = ANT_ABC, /* .cfg overwrite */
|
|
.ht_params = &iwl5000_ht_params,
|
|
};
|
|
|
|
struct iwl_cfg iwl5100_bgn_cfg = {
|
|
.name = "Intel(R) WiFi Link 5100 BGN",
|
|
IWL_DEVICE_5000,
|
|
.valid_tx_ant = ANT_B, /* .cfg overwrite */
|
|
.valid_rx_ant = ANT_AB, /* .cfg overwrite */
|
|
.ht_params = &iwl5000_ht_params,
|
|
};
|
|
|
|
struct iwl_cfg iwl5100_abg_cfg = {
|
|
.name = "Intel(R) WiFi Link 5100 ABG",
|
|
IWL_DEVICE_5000,
|
|
.valid_tx_ant = ANT_B, /* .cfg overwrite */
|
|
.valid_rx_ant = ANT_AB, /* .cfg overwrite */
|
|
};
|
|
|
|
struct iwl_cfg iwl5100_agn_cfg = {
|
|
.name = "Intel(R) WiFi Link 5100 AGN",
|
|
IWL_DEVICE_5000,
|
|
.valid_tx_ant = ANT_B, /* .cfg overwrite */
|
|
.valid_rx_ant = ANT_AB, /* .cfg overwrite */
|
|
.ht_params = &iwl5000_ht_params,
|
|
};
|
|
|
|
struct iwl_cfg iwl5350_agn_cfg = {
|
|
.name = "Intel(R) WiMAX/WiFi Link 5350 AGN",
|
|
.fw_name_pre = IWL5000_FW_PRE,
|
|
.ucode_api_max = IWL5000_UCODE_API_MAX,
|
|
.ucode_api_min = IWL5000_UCODE_API_MIN,
|
|
.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
|
|
.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
|
|
.lib = &iwl5000_lib,
|
|
.base_params = &iwl5000_base_params,
|
|
.ht_params = &iwl5000_ht_params,
|
|
.led_mode = IWL_LED_BLINK,
|
|
.internal_wimax_coex = true,
|
|
};
|
|
|
|
#define IWL_DEVICE_5150 \
|
|
.fw_name_pre = IWL5150_FW_PRE, \
|
|
.ucode_api_max = IWL5150_UCODE_API_MAX, \
|
|
.ucode_api_min = IWL5150_UCODE_API_MIN, \
|
|
.eeprom_ver = EEPROM_5050_EEPROM_VERSION, \
|
|
.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \
|
|
.lib = &iwl5150_lib, \
|
|
.base_params = &iwl5000_base_params, \
|
|
.need_dc_calib = true, \
|
|
.led_mode = IWL_LED_BLINK, \
|
|
.internal_wimax_coex = true
|
|
|
|
struct iwl_cfg iwl5150_agn_cfg = {
|
|
.name = "Intel(R) WiMAX/WiFi Link 5150 AGN",
|
|
IWL_DEVICE_5150,
|
|
.ht_params = &iwl5000_ht_params,
|
|
|
|
};
|
|
|
|
struct iwl_cfg iwl5150_abg_cfg = {
|
|
.name = "Intel(R) WiMAX/WiFi Link 5150 ABG",
|
|
IWL_DEVICE_5150,
|
|
};
|
|
|
|
MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));
|
|
MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
|