forked from Minki/linux
22de94de7d
This patch replace monitor/recover timer by watchdog based on time stamp. New code allow to discover hangs more precisely. Timeout values are currently doubled monitoring period values of previous timer. This have to be tuned based of firmware timing capabilities. Tested on 3945, 4965, 5300, 6300. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
331 lines
11 KiB
C
331 lines
11 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/dma-mapping.h>
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#include <linux/delay.h>
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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#include <linux/wireless.h>
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#include <net/mac80211.h>
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#include <linux/etherdevice.h>
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#include <asm/unaligned.h>
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#include "iwl-eeprom.h"
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#include "iwl-dev.h"
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#include "iwl-core.h"
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#include "iwl-io.h"
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#include "iwl-sta.h"
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#include "iwl-agn.h"
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#include "iwl-helpers.h"
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#include "iwl-agn-hw.h"
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#include "iwl-agn-led.h"
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#include "iwl-agn-debugfs.h"
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/* Highest firmware API version supported */
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#define IWL1000_UCODE_API_MAX 3
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#define IWL100_UCODE_API_MAX 5
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/* Lowest firmware API version supported */
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#define IWL1000_UCODE_API_MIN 1
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#define IWL100_UCODE_API_MIN 5
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#define IWL1000_FW_PRE "iwlwifi-1000-"
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#define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
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#define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
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#define IWL100_FW_PRE "iwlwifi-100-"
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#define _IWL100_MODULE_FIRMWARE(api) IWL100_FW_PRE #api ".ucode"
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#define IWL100_MODULE_FIRMWARE(api) _IWL100_MODULE_FIRMWARE(api)
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/*
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* For 1000, use advance thermal throttling critical temperature threshold,
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* but legacy thermal management implementation for now.
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* This is for the reason of 1000 uCode using advance thermal throttling API
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* but not implement ct_kill_exit based on ct_kill exit temperature
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* so the thermal throttling will still based on legacy thermal throttling
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* management.
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* The code here need to be modified once 1000 uCode has the advanced thermal
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* throttling algorithm in place
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*/
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static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
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{
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/* want Celsius */
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priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
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priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
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}
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/* NIC configuration for 1000 series */
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static void iwl1000_nic_config(struct iwl_priv *priv)
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{
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/* set CSR_HW_CONFIG_REG for uCode use */
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iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
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CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
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CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
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/* Setting digital SVR for 1000 card to 1.32V */
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/* locking is acquired in iwl_set_bits_mask_prph() function */
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iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
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APMG_SVR_DIGITAL_VOLTAGE_1_32,
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~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
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}
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static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
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.min_nrg_cck = 95,
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.max_nrg_cck = 0, /* not used, set to 0 */
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.auto_corr_min_ofdm = 90,
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.auto_corr_min_ofdm_mrc = 170,
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.auto_corr_min_ofdm_x1 = 120,
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.auto_corr_min_ofdm_mrc_x1 = 240,
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.auto_corr_max_ofdm = 120,
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.auto_corr_max_ofdm_mrc = 210,
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.auto_corr_max_ofdm_x1 = 155,
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.auto_corr_max_ofdm_mrc_x1 = 290,
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.auto_corr_min_cck = 125,
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.auto_corr_max_cck = 200,
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.auto_corr_min_cck_mrc = 170,
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.auto_corr_max_cck_mrc = 400,
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.nrg_th_cck = 95,
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.nrg_th_ofdm = 95,
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.barker_corr_th_min = 190,
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.barker_corr_th_min_mrc = 390,
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.nrg_th_cca = 62,
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};
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static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
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{
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if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
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priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
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priv->cfg->base_params->num_of_queues =
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priv->cfg->mod_params->num_of_queues;
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priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
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priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
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priv->hw_params.scd_bc_tbls_size =
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priv->cfg->base_params->num_of_queues *
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sizeof(struct iwlagn_scd_bc_tbl);
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priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
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priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
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priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
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priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
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priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
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priv->hw_params.max_bsm_size = 0;
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priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) |
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BIT(IEEE80211_BAND_5GHZ);
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priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
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priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
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priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
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priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
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priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
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iwl1000_set_ct_threshold(priv);
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/* Set initial sensitivity parameters */
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/* Set initial calibration set */
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priv->hw_params.sens = &iwl1000_sensitivity;
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priv->hw_params.calib_init_cfg =
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BIT(IWL_CALIB_XTAL) |
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BIT(IWL_CALIB_LO) |
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BIT(IWL_CALIB_TX_IQ) |
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BIT(IWL_CALIB_TX_IQ_PERD) |
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BIT(IWL_CALIB_BASE_BAND);
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if (priv->cfg->need_dc_calib)
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priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_DC);
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priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
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return 0;
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}
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static struct iwl_lib_ops iwl1000_lib = {
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.set_hw_params = iwl1000_hw_set_hw_params,
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.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
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.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
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.txq_set_sched = iwlagn_txq_set_sched,
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.txq_agg_enable = iwlagn_txq_agg_enable,
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.txq_agg_disable = iwlagn_txq_agg_disable,
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.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
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.txq_free_tfd = iwl_hw_txq_free_tfd,
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.txq_init = iwl_hw_tx_queue_init,
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.rx_handler_setup = iwlagn_rx_handler_setup,
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.setup_deferred_work = iwlagn_setup_deferred_work,
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.is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
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.load_ucode = iwlagn_load_ucode,
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.dump_nic_event_log = iwl_dump_nic_event_log,
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.dump_nic_error_log = iwl_dump_nic_error_log,
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.dump_csr = iwl_dump_csr,
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.dump_fh = iwl_dump_fh,
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.init_alive_start = iwlagn_init_alive_start,
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.alive_notify = iwlagn_alive_notify,
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.send_tx_power = iwlagn_send_tx_power,
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.update_chain_flags = iwl_update_chain_flags,
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.apm_ops = {
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.init = iwl_apm_init,
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.config = iwl1000_nic_config,
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},
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.eeprom_ops = {
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.regulatory_bands = {
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EEPROM_REG_BAND_1_CHANNELS,
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EEPROM_REG_BAND_2_CHANNELS,
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EEPROM_REG_BAND_3_CHANNELS,
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EEPROM_REG_BAND_4_CHANNELS,
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EEPROM_REG_BAND_5_CHANNELS,
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EEPROM_REG_BAND_24_HT40_CHANNELS,
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EEPROM_REG_BAND_52_HT40_CHANNELS
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},
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.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
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.release_semaphore = iwlcore_eeprom_release_semaphore,
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.calib_version = iwlagn_eeprom_calib_version,
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.query_addr = iwlagn_eeprom_query_addr,
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},
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.isr_ops = {
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.isr = iwl_isr_ict,
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.free = iwl_free_isr_ict,
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.alloc = iwl_alloc_isr_ict,
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.reset = iwl_reset_ict,
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.disable = iwl_disable_ict,
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},
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.temp_ops = {
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.temperature = iwlagn_temperature,
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},
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.debugfs_ops = {
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.rx_stats_read = iwl_ucode_rx_stats_read,
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.tx_stats_read = iwl_ucode_tx_stats_read,
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.general_stats_read = iwl_ucode_general_stats_read,
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.bt_stats_read = iwl_ucode_bt_stats_read,
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.reply_tx_error = iwl_reply_tx_error_read,
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},
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.check_plcp_health = iwl_good_plcp_health,
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.check_ack_health = iwl_good_ack_health,
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.txfifo_flush = iwlagn_txfifo_flush,
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.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
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.tt_ops = {
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.lower_power_detection = iwl_tt_is_low_power_state,
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.tt_power_mode = iwl_tt_current_power_mode,
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.ct_kill_check = iwl_check_for_ct_kill,
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}
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};
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static const struct iwl_ops iwl1000_ops = {
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.lib = &iwl1000_lib,
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.hcmd = &iwlagn_hcmd,
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.utils = &iwlagn_hcmd_utils,
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.led = &iwlagn_led_ops,
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.ieee80211_ops = &iwlagn_hw_ops,
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};
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static struct iwl_base_params iwl1000_base_params = {
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.num_of_queues = IWLAGN_NUM_QUEUES,
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.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
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.eeprom_size = OTP_LOW_IMAGE_SIZE,
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.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
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.set_l0s = true,
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.use_bsm = false,
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.max_ll_items = OTP_MAX_LL_ITEMS_1000,
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.shadow_ram_support = false,
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.led_compensation = 51,
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.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
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.support_ct_kill_exit = true,
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.plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF,
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.chain_noise_scale = 1000,
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.wd_timeout = IWL_DEF_WD_TIMEOUT,
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.max_event_log_size = 128,
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.ucode_tracing = true,
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.sensitivity_calib_by_driver = true,
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.chain_noise_calib_by_driver = true,
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};
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static struct iwl_ht_params iwl1000_ht_params = {
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.ht_greenfield_support = true,
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.use_rts_for_aggregation = true, /* use rts/cts protection */
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};
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struct iwl_cfg iwl1000_bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 1000 BGN",
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.fw_name_pre = IWL1000_FW_PRE,
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.ucode_api_max = IWL1000_UCODE_API_MAX,
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.ucode_api_min = IWL1000_UCODE_API_MIN,
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.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
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.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
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.ops = &iwl1000_ops,
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.mod_params = &iwlagn_mod_params,
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.base_params = &iwl1000_base_params,
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.ht_params = &iwl1000_ht_params,
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.led_mode = IWL_LED_BLINK,
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};
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struct iwl_cfg iwl1000_bg_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 1000 BG",
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.fw_name_pre = IWL1000_FW_PRE,
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.ucode_api_max = IWL1000_UCODE_API_MAX,
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.ucode_api_min = IWL1000_UCODE_API_MIN,
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.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
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.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
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.ops = &iwl1000_ops,
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.mod_params = &iwlagn_mod_params,
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.base_params = &iwl1000_base_params,
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.led_mode = IWL_LED_BLINK,
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};
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struct iwl_cfg iwl100_bgn_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
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.fw_name_pre = IWL100_FW_PRE,
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.ucode_api_max = IWL100_UCODE_API_MAX,
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.ucode_api_min = IWL100_UCODE_API_MIN,
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.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
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.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
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.ops = &iwl1000_ops,
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.mod_params = &iwlagn_mod_params,
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.base_params = &iwl1000_base_params,
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.ht_params = &iwl1000_ht_params,
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.led_mode = IWL_LED_RF_STATE,
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};
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struct iwl_cfg iwl100_bg_cfg = {
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.name = "Intel(R) Centrino(R) Wireless-N 100 BG",
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.fw_name_pre = IWL100_FW_PRE,
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.ucode_api_max = IWL100_UCODE_API_MAX,
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.ucode_api_min = IWL100_UCODE_API_MIN,
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.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
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.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
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.ops = &iwl1000_ops,
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.mod_params = &iwlagn_mod_params,
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.base_params = &iwl1000_base_params,
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.led_mode = IWL_LED_RF_STATE,
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};
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MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
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MODULE_FIRMWARE(IWL100_MODULE_FIRMWARE(IWL100_UCODE_API_MAX));
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