/******************************************************************************
*
* 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.
*
* 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/pci.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/wireless.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-agn.h"
#include "iwl-helpers.h"
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
#define IWL1000_UCODE_API_MAX 5
#define IWL100_UCODE_API_MAX 5
/* Lowest firmware API version supported */
#define IWL1000_UCODE_API_MIN 1
#define IWL100_UCODE_API_MIN 5
#define IWL1000_FW_PRE "iwlwifi-1000-"
#define IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE __stringify(api) ".ucode"
#define IWL100_FW_PRE "iwlwifi-100-"
#define IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE __stringify(api) ".ucode"
/*
* For 1000, use advance thermal throttling critical temperature threshold,
* but legacy thermal management implementation for now.
* This is for the reason of 1000 uCode using advance thermal throttling API
* but not implement ct_kill_exit based on ct_kill exit temperature
* so the thermal throttling will still based on legacy thermal throttling
* management.
* The code here need to be modified once 1000 uCode has the advanced thermal
* throttling algorithm in place
*/
static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
{
/* want Celsius */
priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}
/* NIC configuration for 1000 series */
static void iwl1000_nic_config(struct iwl_priv *priv)
{
/* set CSR_HW_CONFIG_REG for uCode use */
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
/* Setting digital SVR for 1000 card to 1.32V */
/* locking is acquired in iwl_set_bits_mask_prph() function */
iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
APMG_SVR_DIGITAL_VOLTAGE_1_32,
~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
}
static struct iwl_sensitivity_ranges iwl1000_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 = 120,
.auto_corr_min_ofdm_mrc_x1 = 240,
.auto_corr_max_ofdm = 120,
.auto_corr_max_ofdm_mrc = 210,
.auto_corr_max_ofdm_x1 = 155,
.auto_corr_max_ofdm_mrc_x1 = 290,
.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 int iwl1000_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;
priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
priv->hw_params.scd_bc_tbls_size =
priv->cfg->base_params->num_of_queues *
sizeof(struct iwlagn_scd_bc_tbl);
priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
BIT(IEEE80211_BAND_5GHZ);
priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
if (priv->cfg->rx_with_siso_diversity)
priv->hw_params.rx_chains_num = 1;
else
priv->hw_params.rx_chains_num =
num_of_ant(priv->cfg->valid_rx_ant);
priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
iwl1000_set_ct_threshold(priv);
/* Set initial sensitivity parameters */
/* Set initial calibration set */
priv->hw_params.sens = &iwl1000_sensitivity;
priv->hw_params.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);
if (priv->cfg->need_dc_calib)
priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
return 0;
}
static struct iwl_lib_ops iwl1000_lib = {
.set_hw_params = iwl1000_hw_set_hw_params,
.rx_handler_setup = iwlagn_rx_handler_setup,
.setup_deferred_work = iwlagn_setup_deferred_work,
.is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
.send_tx_power = iwlagn_send_tx_power,
.update_chain_flags = iwl_update_chain_flags,
.apm_ops = {
.init = iwl_apm_init,
.config = iwl1000_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_REGULATORY_BAND_NO_HT40,
},
.query_addr = iwlagn_eeprom_query_addr,
},
.temp_ops = {
.temperature = iwlagn_temperature,
},
.txfifo_flush = iwlagn_txfifo_flush,
.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
};
static const struct iwl_ops iwl1000_ops = {
.lib = &iwl1000_lib,
.hcmd = &iwlagn_hcmd,
.utils = &iwlagn_hcmd_utils,
};
static struct iwl_base_params iwl1000_base_params = {
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
.max_ll_items = OTP_MAX_LL_ITEMS_1000,
.shadow_ram_support = false,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
.chain_noise_scale = 1000,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 128,
};
static struct iwl_ht_params iwl1000_ht_params = {
.ht_greenfield_support = true,
.use_rts_for_aggregation = true, /* use rts/cts protection */
};
#define IWL_DEVICE_1000 \
.fw_name_pre = IWL1000_FW_PRE, \
.ucode_api_max = IWL1000_UCODE_API_MAX, \
.ucode_api_min = IWL1000_UCODE_API_MIN, \
.eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
.ops = &iwl1000_ops, \
.base_params = &iwl1000_base_params, \
.led_mode = IWL_LED_BLINK
struct iwl_cfg iwl1000_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
IWL_DEVICE_1000,
.ht_params = &iwl1000_ht_params,
};
struct iwl_cfg iwl1000_bg_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
IWL_DEVICE_1000,
};
#define IWL_DEVICE_100 \
.fw_name_pre = IWL100_FW_PRE, \
.ucode_api_max = IWL100_UCODE_API_MAX, \
.ucode_api_min = IWL100_UCODE_API_MIN, \
.eeprom_ver = EEPROM_1000_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \
.ops = &iwl1000_ops, \
.base_params = &iwl1000_base_params, \
.led_mode = IWL_LED_RF_STATE, \
.rx_with_siso_diversity = true
struct iwl_cfg iwl100_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
IWL_DEVICE_100,
.ht_params = &iwl1000_ht_params,
};
struct iwl_cfg iwl100_bg_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 100 BG",
IWL_DEVICE_100,
};
MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));
