mirror of https://gitee.com/openkylin/linux.git
384 lines
14 KiB
C
384 lines
14 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 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
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* it 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
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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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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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef __iwl_core_h__
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#define __iwl_core_h__
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#include "iwl-dev.h"
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#include "iwl-io.h"
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/************************
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* forward declarations *
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************************/
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struct iwl_host_cmd;
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struct iwl_cmd;
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#define TIME_UNIT 1024
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struct iwl_lib_ops {
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/* set hw dependent parameters */
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int (*set_hw_params)(struct iwl_priv *priv);
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/* setup BT Rx handler */
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void (*bt_rx_handler_setup)(struct iwl_priv *priv);
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/* setup BT related deferred work */
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void (*bt_setup_deferred_work)(struct iwl_priv *priv);
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/* cancel deferred work */
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void (*cancel_deferred_work)(struct iwl_priv *priv);
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int (*set_channel_switch)(struct iwl_priv *priv,
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struct ieee80211_channel_switch *ch_switch);
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/* device specific configuration */
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void (*nic_config)(struct iwl_priv *priv);
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/* eeprom operations (as defined in iwl-eeprom.h) */
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struct iwl_eeprom_ops eeprom_ops;
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/* temperature */
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void (*temperature)(struct iwl_priv *priv);
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};
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/*
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* @max_ll_items: max number of OTP blocks
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* @shadow_ram_support: shadow support for OTP memory
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* @led_compensation: compensate on the led on/off time per HW according
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* to the deviation to achieve the desired led frequency.
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* The detail algorithm is described in iwl-led.c
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* @chain_noise_num_beacons: number of beacons used to compute chain noise
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* @adv_thermal_throttle: support advance thermal throttle
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* @support_ct_kill_exit: support ct kill exit condition
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* @support_wimax_coexist: support wimax/wifi co-exist
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* @plcp_delta_threshold: plcp error rate threshold used to trigger
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* radio tuning when there is a high receiving plcp error rate
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* @chain_noise_scale: default chain noise scale used for gain computation
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* @wd_timeout: TX queues watchdog timeout
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* @max_event_log_size: size of event log buffer size for ucode event logging
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* @shadow_reg_enable: HW shadhow register bit
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* @no_idle_support: do not support idle mode
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* @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
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* wd_disable: disable watchdog timer
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*/
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struct iwl_base_params {
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int eeprom_size;
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int num_of_queues; /* def: HW dependent */
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int num_of_ampdu_queues;/* def: HW dependent */
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/* for iwl_apm_init() */
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u32 pll_cfg_val;
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const u16 max_ll_items;
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const bool shadow_ram_support;
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u16 led_compensation;
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bool adv_thermal_throttle;
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bool support_ct_kill_exit;
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const bool support_wimax_coexist;
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u8 plcp_delta_threshold;
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s32 chain_noise_scale;
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unsigned int wd_timeout;
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u32 max_event_log_size;
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const bool shadow_reg_enable;
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const bool no_idle_support;
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const bool hd_v2;
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const bool wd_disable;
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};
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/*
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* @advanced_bt_coexist: support advanced bt coexist
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* @bt_init_traffic_load: specify initial bt traffic load
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* @bt_prio_boost: default bt priority boost value
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* @agg_time_limit: maximum number of uSec in aggregation
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* @ampdu_factor: Maximum A-MPDU length factor
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* @ampdu_density: Minimum A-MPDU spacing
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* @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
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*/
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struct iwl_bt_params {
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bool advanced_bt_coexist;
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u8 bt_init_traffic_load;
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u8 bt_prio_boost;
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u16 agg_time_limit;
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u8 ampdu_factor;
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u8 ampdu_density;
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bool bt_sco_disable;
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bool bt_session_2;
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};
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/*
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* @use_rts_for_aggregation: use rts/cts protection for HT traffic
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*/
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struct iwl_ht_params {
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const bool ht_greenfield_support; /* if used set to true */
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bool use_rts_for_aggregation;
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enum ieee80211_smps_mode smps_mode;
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};
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/**
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* struct iwl_cfg
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* @name: Offical name of the device
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* @fw_name_pre: Firmware filename prefix. The api version and extension
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* (.ucode) will be added to filename before loading from disk. The
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* filename is constructed as fw_name_pre<api>.ucode.
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* @ucode_api_max: Highest version of uCode API supported by driver.
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* @ucode_api_ok: oldest version of the uCode API that is OK to load
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* without a warning, for use in transitions
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* @ucode_api_min: Lowest version of uCode API supported by driver.
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* @valid_tx_ant: valid transmit antenna
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* @valid_rx_ant: valid receive antenna
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* @sku: sku information from EEPROM
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* @eeprom_ver: EEPROM version
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* @eeprom_calib_ver: EEPROM calibration version
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* @lib: pointer to the lib ops
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* @additional_nic_config: additional nic configuration
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* @base_params: pointer to basic parameters
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* @ht_params: point to ht patameters
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* @bt_params: pointer to bt parameters
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* @pa_type: used by 6000 series only to identify the type of Power Amplifier
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* @need_temp_offset_calib: need to perform temperature offset calibration
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* @no_xtal_calib: some devices do not need crystal calibration data,
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* don't send it to those
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* @scan_antennas: available antenna for scan operation
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* @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
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* @adv_pm: advance power management
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* @rx_with_siso_diversity: 1x1 device with rx antenna diversity
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* @internal_wimax_coex: internal wifi/wimax combo device
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* @iq_invert: I/Q inversion
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* @temp_offset_v2: support v2 of temperature offset calibration
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*
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* We enable the driver to be backward compatible wrt API version. The
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* driver specifies which APIs it supports (with @ucode_api_max being the
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* highest and @ucode_api_min the lowest). Firmware will only be loaded if
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* it has a supported API version.
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*
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* The ideal usage of this infrastructure is to treat a new ucode API
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* release as a new hardware revision.
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*/
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struct iwl_cfg {
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/* params specific to an individual device within a device family */
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const char *name;
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const char *fw_name_pre;
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const unsigned int ucode_api_max;
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const unsigned int ucode_api_ok;
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const unsigned int ucode_api_min;
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u8 valid_tx_ant;
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u8 valid_rx_ant;
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u16 sku;
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u16 eeprom_ver;
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u16 eeprom_calib_ver;
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const struct iwl_lib_ops *lib;
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void (*additional_nic_config)(struct iwl_priv *priv);
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/* params not likely to change within a device family */
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struct iwl_base_params *base_params;
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/* params likely to change within a device family */
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struct iwl_ht_params *ht_params;
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struct iwl_bt_params *bt_params;
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enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */
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const bool need_temp_offset_calib; /* if used set to true */
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const bool no_xtal_calib;
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u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
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enum iwl_led_mode led_mode;
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const bool adv_pm;
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const bool rx_with_siso_diversity;
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const bool internal_wimax_coex;
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const bool iq_invert;
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const bool temp_offset_v2;
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};
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/***************************
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* L i b *
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***************************/
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void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
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int hw_decrypt);
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int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
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int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
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int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
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struct iwl_rxon_context *ctx);
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void iwl_set_flags_for_band(struct iwl_priv *priv,
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struct iwl_rxon_context *ctx,
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enum ieee80211_band band,
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struct ieee80211_vif *vif);
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u8 iwl_get_single_channel_number(struct iwl_priv *priv,
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enum ieee80211_band band);
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void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
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bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
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struct iwl_rxon_context *ctx,
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struct ieee80211_sta_ht_cap *ht_cap);
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void iwl_connection_init_rx_config(struct iwl_priv *priv,
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struct iwl_rxon_context *ctx);
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void iwl_set_rate(struct iwl_priv *priv);
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int iwl_cmd_echo_test(struct iwl_priv *priv);
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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int iwl_alloc_traffic_mem(struct iwl_priv *priv);
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void iwl_free_traffic_mem(struct iwl_priv *priv);
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void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
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u16 length, struct ieee80211_hdr *header);
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void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
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u16 length, struct ieee80211_hdr *header);
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const char *get_mgmt_string(int cmd);
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const char *get_ctrl_string(int cmd);
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void iwl_clear_traffic_stats(struct iwl_priv *priv);
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void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
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u16 len);
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#else
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static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
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{
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return 0;
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}
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static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
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{
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}
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static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
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{
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}
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static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
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u16 length, struct ieee80211_hdr *header)
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{
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}
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static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
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u16 length, struct ieee80211_hdr *header)
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{
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}
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static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
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__le16 fc, u16 len)
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{
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}
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#endif
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/*****************************************************
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* RX
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******************************************************/
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void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
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void iwl_setup_watchdog(struct iwl_priv *priv);
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/*****************************************************
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* TX power
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****************************************************/
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int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
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/*******************************************************************************
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* Scanning
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******************************************************************************/
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void iwl_init_scan_params(struct iwl_priv *priv);
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int iwl_scan_cancel(struct iwl_priv *priv);
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void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
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void iwl_force_scan_end(struct iwl_priv *priv);
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void iwl_internal_short_hw_scan(struct iwl_priv *priv);
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int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
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u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
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const u8 *ta, const u8 *ie, int ie_len, int left);
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void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
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void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
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void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
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int __must_check iwl_scan_initiate(struct iwl_priv *priv,
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struct ieee80211_vif *vif,
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enum iwl_scan_type scan_type,
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enum ieee80211_band band);
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/* For faster active scanning, scan will move to the next channel if fewer than
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* PLCP_QUIET_THRESH packets are heard on this channel within
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* ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
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* time if it's a quiet channel (nothing responded to our probe, and there's
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* no other traffic).
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* Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
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#define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
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#define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
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#define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)
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/*****************************************************
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* S e n d i n g H o s t C o m m a n d s *
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*****************************************************/
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void iwl_bg_watchdog(unsigned long data);
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u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
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__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
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u32 addon, u32 beacon_interval);
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/*****************************************************
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* GEOS
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******************************************************/
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int iwl_init_geos(struct iwl_priv *priv);
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void iwl_free_geos(struct iwl_priv *priv);
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extern void iwl_send_bt_config(struct iwl_priv *priv);
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extern int iwl_send_statistics_request(struct iwl_priv *priv,
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u8 flags, bool clear);
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int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
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static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
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struct iwl_priv *priv, enum ieee80211_band band)
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{
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return priv->hw->wiphy->bands[band];
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}
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static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
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{
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return priv->cfg->bt_params &&
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priv->cfg->bt_params->advanced_bt_coexist;
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}
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static inline void iwl_enable_rfkill_int(struct iwl_priv *priv)
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{
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IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n");
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iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
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}
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extern bool bt_siso_mode;
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#endif /* __iwl_core_h__ */
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