/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2007 - 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.GPL. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #ifndef __iwl_shared_h__ #define __iwl_shared_h__ #include #include #include #include #include "iwl-commands.h" #include "iwl-fw.h" /** * DOC: shared area - role and goal * * The shared area contains all the data exported by the upper layer to the * other layers. Since the bus and transport layer shouldn't dereference * iwl_priv, all the data needed by the upper layer and the transport / bus * layer must be here. * The shared area also holds pointer to all the other layers. This allows a * layer to call a function from another layer. * * NOTE: All the layers hold a pointer to the shared area which must be shrd. * A few macros assume that (_m)->shrd points to the shared area no matter * what _m is. * * gets notifications about enumeration, suspend, resume. * For the moment, the bus layer is not a linux kernel module as itself, and * the module_init function of the driver must call the bus specific * registration functions. These functions are listed at the end of this file. * For the moment, there is only one implementation of this interface: PCI-e. * This implementation is iwl-pci.c */ struct iwl_priv; struct iwl_trans; struct iwl_sensitivity_ranges; struct iwl_trans_ops; #define DRV_NAME "iwlwifi" #define IWLWIFI_VERSION "in-tree:" #define DRV_COPYRIGHT "Copyright(c) 2003-2012 Intel Corporation" #define DRV_AUTHOR "" extern struct iwl_mod_params iwlagn_mod_params; #define IWL_DISABLE_HT_ALL BIT(0) #define IWL_DISABLE_HT_TXAGG BIT(1) #define IWL_DISABLE_HT_RXAGG BIT(2) /** * struct iwl_mod_params * * Holds the module parameters * * @sw_crypto: using hardware encryption, default = 0 * @disable_11n: disable 11n capabilities, default = 0, * use IWL_DISABLE_HT_* constants * @amsdu_size_8K: enable 8K amsdu size, default = 1 * @antenna: both antennas (use diversity), default = 0 * @restart_fw: restart firmware, default = 1 * @plcp_check: enable plcp health check, default = true * @ack_check: disable ack health check, default = false * @wd_disable: enable stuck queue check, default = 0 * @bt_coex_active: enable bt coex, default = true * @led_mode: system default, default = 0 * @no_sleep_autoadjust: disable autoadjust, default = true * @power_save: disable power save, default = false * @power_level: power level, default = 1 * @debug_level: levels are IWL_DL_* * @ant_coupling: antenna coupling in dB, default = 0 * @bt_ch_announce: BT channel inhibition, default = enable * @wanted_ucode_alternative: ucode alternative to use, default = 1 * @auto_agg: enable agg. without check, default = true */ struct iwl_mod_params { int sw_crypto; unsigned int disable_11n; int amsdu_size_8K; int antenna; int restart_fw; bool plcp_check; bool ack_check; int wd_disable; bool bt_coex_active; int led_mode; bool no_sleep_autoadjust; bool power_save; int power_level; u32 debug_level; int ant_coupling; bool bt_ch_announce; int wanted_ucode_alternative; bool auto_agg; }; /** * struct iwl_hw_params * * Holds the module parameters * * @max_txq_num: Max # Tx queues supported * @num_ampdu_queues: num of ampdu queues * @tx_chains_num: Number of TX chains * @rx_chains_num: Number of RX chains * @valid_tx_ant: usable antennas for TX * @valid_rx_ant: usable antennas for RX * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX) * @sku: sku read from EEPROM * @rx_page_order: Rx buffer page order * @ct_kill_threshold: temperature threshold - in hw dependent unit * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit * relevant for 1000, 6000 and up * @wd_timeout: TX queues watchdog timeout * @struct iwl_sensitivity_ranges: range of sensitivity values * @use_rts_for_aggregation: use rts/cts protection for HT traffic */ struct iwl_hw_params { u8 max_txq_num; u8 num_ampdu_queues; u8 tx_chains_num; u8 rx_chains_num; u8 valid_tx_ant; u8 valid_rx_ant; u8 ht40_channel; bool use_rts_for_aggregation; u16 sku; u32 rx_page_order; u32 ct_kill_threshold; u32 ct_kill_exit_threshold; unsigned int wd_timeout; const struct iwl_sensitivity_ranges *sens; }; /** * enum iwl_ucode_type * * The type of ucode currently loaded on the hardware. * * @IWL_UCODE_NONE: No ucode loaded * @IWL_UCODE_REGULAR: Normal runtime ucode * @IWL_UCODE_INIT: Initial ucode * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode */ enum iwl_ucode_type { IWL_UCODE_NONE, IWL_UCODE_REGULAR, IWL_UCODE_INIT, IWL_UCODE_WOWLAN, }; /** * struct iwl_notification_wait - notification wait entry * @list: list head for global list * @fn: function called with the notification * @cmd: command ID * * This structure is not used directly, to wait for a * notification declare it on the stack, and call * iwlagn_init_notification_wait() with appropriate * parameters. Then do whatever will cause the ucode * to notify the driver, and to wait for that then * call iwlagn_wait_notification(). * * Each notification is one-shot. If at some point we * need to support multi-shot notifications (which * can't be allocated on the stack) we need to modify * the code for them. */ struct iwl_notification_wait { struct list_head list; void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, void *data); void *fn_data; u8 cmd; bool triggered, aborted; }; /** * enum iwl_pa_type - Power Amplifier type * @IWL_PA_SYSTEM: based on uCode configuration * @IWL_PA_INTERNAL: use Internal only */ enum iwl_pa_type { IWL_PA_SYSTEM = 0, IWL_PA_INTERNAL = 1, }; /* * LED mode * IWL_LED_DEFAULT: use device default * IWL_LED_RF_STATE: turn LED on/off based on RF state * LED ON = RF ON * LED OFF = RF OFF * IWL_LED_BLINK: adjust led blink rate based on blink table * IWL_LED_DISABLE: led disabled */ enum iwl_led_mode { IWL_LED_DEFAULT, IWL_LED_RF_STATE, IWL_LED_BLINK, IWL_LED_DISABLE, }; /* * @max_ll_items: max number of OTP blocks * @shadow_ram_support: shadow support for OTP memory * @led_compensation: compensate on the led on/off time per HW according * to the deviation to achieve the desired led frequency. * The detail algorithm is described in iwl-led.c * @chain_noise_num_beacons: number of beacons used to compute chain noise * @adv_thermal_throttle: support advance thermal throttle * @support_ct_kill_exit: support ct kill exit condition * @support_wimax_coexist: support wimax/wifi co-exist * @plcp_delta_threshold: plcp error rate threshold used to trigger * radio tuning when there is a high receiving plcp error rate * @chain_noise_scale: default chain noise scale used for gain computation * @wd_timeout: TX queues watchdog timeout * @max_event_log_size: size of event log buffer size for ucode event logging * @shadow_reg_enable: HW shadhow register bit * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up * @no_idle_support: do not support idle mode * wd_disable: disable watchdog timer */ struct iwl_base_params { int eeprom_size; int num_of_queues; /* def: HW dependent */ int num_of_ampdu_queues;/* def: HW dependent */ /* for iwl_apm_init() */ u32 pll_cfg_val; const u16 max_ll_items; const bool shadow_ram_support; u16 led_compensation; bool adv_thermal_throttle; bool support_ct_kill_exit; const bool support_wimax_coexist; u8 plcp_delta_threshold; s32 chain_noise_scale; unsigned int wd_timeout; u32 max_event_log_size; const bool shadow_reg_enable; const bool hd_v2; const bool no_idle_support; const bool wd_disable; }; /** * struct iwl_cfg * @name: Offical name of the device * @fw_name_pre: Firmware filename prefix. The api version and extension * (.ucode) will be added to filename before loading from disk. The * filename is constructed as fw_name_pre.ucode. * @ucode_api_max: Highest version of uCode API supported by driver. * @ucode_api_ok: oldest version of the uCode API that is OK to load * without a warning, for use in transitions * @ucode_api_min: Lowest version of uCode API supported by driver. * @max_inst_size: The maximal length of the fw inst section * @max_data_size: The maximal length of the fw data section * @valid_tx_ant: valid transmit antenna * @valid_rx_ant: valid receive antenna * @eeprom_ver: EEPROM version * @eeprom_calib_ver: EEPROM calibration version * @lib: pointer to the lib ops * @additional_nic_config: additional nic configuration * @base_params: pointer to basic parameters * @ht_params: point to ht patameters * @bt_params: pointer to bt parameters * @pa_type: used by 6000 series only to identify the type of Power Amplifier * @need_temp_offset_calib: need to perform temperature offset calibration * @no_xtal_calib: some devices do not need crystal calibration data, * don't send it to those * @scan_rx_antennas: available antenna for scan operation * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off) * @adv_pm: advance power management * @rx_with_siso_diversity: 1x1 device with rx antenna diversity * @internal_wimax_coex: internal wifi/wimax combo device * @iq_invert: I/Q inversion * @temp_offset_v2: support v2 of temperature offset calibration * * We enable the driver to be backward compatible wrt API version. The * driver specifies which APIs it supports (with @ucode_api_max being the * highest and @ucode_api_min the lowest). Firmware will only be loaded if * it has a supported API version. * * The ideal usage of this infrastructure is to treat a new ucode API * release as a new hardware revision. */ struct iwl_cfg { /* params specific to an individual device within a device family */ const char *name; const char *fw_name_pre; const unsigned int ucode_api_max; const unsigned int ucode_api_ok; const unsigned int ucode_api_min; const u32 max_data_size; const u32 max_inst_size; u8 valid_tx_ant; u8 valid_rx_ant; u16 eeprom_ver; u16 eeprom_calib_ver; const struct iwl_lib_ops *lib; void (*additional_nic_config)(struct iwl_priv *priv); /* params not likely to change within a device family */ struct iwl_base_params *base_params; /* params likely to change within a device family */ struct iwl_ht_params *ht_params; struct iwl_bt_params *bt_params; enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */ const bool need_temp_offset_calib; /* if used set to true */ const bool no_xtal_calib; u8 scan_rx_antennas[IEEE80211_NUM_BANDS]; enum iwl_led_mode led_mode; const bool adv_pm; const bool rx_with_siso_diversity; const bool internal_wimax_coex; const bool iq_invert; const bool temp_offset_v2; }; /** * struct iwl_shared - shared fields for all the layers of the driver * * @ucode_owner: IWL_OWNERSHIP_* * @cmd_queue: command queue number * @status: STATUS_* * @wowlan: are we running wowlan uCode * @valid_contexts: microcode/device supports multiple contexts * @bus: pointer to the bus layer data * @cfg: see struct iwl_cfg * @priv: pointer to the upper layer data * @trans: pointer to the transport layer data * @nic: pointer to the nic data * @hw_params: see struct iwl_hw_params * @lock: protect general shared data * @wait_command_queue: the wait_queue for SYNC host command nad uCode load * @eeprom: pointer to the eeprom/OTP image * @ucode_type: indicator of loaded ucode image * @notif_waits: things waiting for notification * @notif_wait_lock: lock protecting notification * @notif_waitq: head of notification wait queue * @device_pointers: pointers to ucode event tables */ struct iwl_shared { #define IWL_OWNERSHIP_DRIVER 0 #define IWL_OWNERSHIP_TM 1 u8 ucode_owner; u8 cmd_queue; unsigned long status; u8 valid_contexts; const struct iwl_cfg *cfg; struct iwl_priv *priv; struct iwl_trans *trans; void *drv; struct iwl_hw_params hw_params; const struct iwl_fw *fw; wait_queue_head_t wait_command_queue; /* eeprom -- this is in the card's little endian byte order */ u8 *eeprom; /* ucode related variables */ enum iwl_ucode_type ucode_type; /* notification wait support */ struct list_head notif_waits; spinlock_t notif_wait_lock; wait_queue_head_t notif_waitq; struct { u32 error_event_table; u32 log_event_table; } device_pointers; }; /*Whatever _m is (iwl_trans, iwl_priv, these macros will work */ #define priv(_m) ((_m)->shrd->priv) #define cfg(_m) ((_m)->shrd->cfg) #define trans(_m) ((_m)->shrd->trans) #define hw_params(_m) ((_m)->shrd->hw_params) static inline bool iwl_have_debug_level(u32 level) { return iwlagn_mod_params.debug_level & level; } enum iwl_rxon_context_id { IWL_RXON_CTX_BSS, IWL_RXON_CTX_PAN, NUM_IWL_RXON_CTX }; int iwlagn_hw_valid_rtc_data_addr(u32 addr); void iwl_nic_config(struct iwl_priv *priv); const char *get_cmd_string(u8 cmd); /* notification wait support */ void iwl_abort_notification_waits(struct iwl_shared *shrd); void __acquires(wait_entry) iwl_init_notification_wait(struct iwl_shared *shrd, struct iwl_notification_wait *wait_entry, u8 cmd, void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, void *data), void *fn_data); int __must_check __releases(wait_entry) iwl_wait_notification(struct iwl_shared *shrd, struct iwl_notification_wait *wait_entry, unsigned long timeout); void __releases(wait_entry) iwl_remove_notification(struct iwl_shared *shrd, struct iwl_notification_wait *wait_entry); #define IWL_CMD(x) case x: return #x /***************************************************** * DRIVER STATUS FUNCTIONS ******************************************************/ #define STATUS_HCMD_ACTIVE 0 /* host command in progress */ /* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */ #define STATUS_INT_ENABLED 2 #define STATUS_RF_KILL_HW 3 #define STATUS_CT_KILL 4 #define STATUS_INIT 5 #define STATUS_ALIVE 6 #define STATUS_READY 7 #define STATUS_TEMPERATURE 8 #define STATUS_GEO_CONFIGURED 9 #define STATUS_EXIT_PENDING 10 #define STATUS_STATISTICS 12 #define STATUS_SCANNING 13 #define STATUS_SCAN_ABORTING 14 #define STATUS_SCAN_HW 15 #define STATUS_POWER_PMI 16 #define STATUS_FW_ERROR 17 #define STATUS_DEVICE_ENABLED 18 #define STATUS_CHANNEL_SWITCH_PENDING 19 #define STATUS_SCAN_COMPLETE 20 #endif /* #__iwl_shared_h__ */