linux-vybrid_public/drivers/net/wireless/iwlwifi/mvm/fw-api.h

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
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 *
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 *
 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
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 * in the file called LICENSE.GPL.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
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#ifndef __fw_api_h__
#define __fw_api_h__

#include "fw-api-rs.h"
#include "fw-api-tx.h"
#include "fw-api-sta.h"
#include "fw-api-mac.h"
#include "fw-api-power.h"
#include "fw-api-d3.h"

/* queue and FIFO numbers by usage */
enum {
	IWL_MVM_OFFCHANNEL_QUEUE = 8,
	IWL_MVM_CMD_QUEUE = 9,
	IWL_MVM_AUX_QUEUE = 15,
	IWL_MVM_FIRST_AGG_QUEUE = 16,
	IWL_MVM_NUM_QUEUES = 20,
	IWL_MVM_LAST_AGG_QUEUE = IWL_MVM_NUM_QUEUES - 1,
	IWL_MVM_CMD_FIFO = 7
};

#define IWL_MVM_STATION_COUNT	16

/* commands */
enum {
	MVM_ALIVE = 0x1,
	REPLY_ERROR = 0x2,

	INIT_COMPLETE_NOTIF = 0x4,

	/* PHY context commands */
	PHY_CONTEXT_CMD = 0x8,
	DBG_CFG = 0x9,

	/* station table */
	ADD_STA = 0x18,
	REMOVE_STA = 0x19,

	/* TX */
	TX_CMD = 0x1c,
	TXPATH_FLUSH = 0x1e,
	MGMT_MCAST_KEY = 0x1f,

	/* global key */
	WEP_KEY = 0x20,

	/* MAC and Binding commands */
	MAC_CONTEXT_CMD = 0x28,
	TIME_EVENT_CMD = 0x29, /* both CMD and response */
	TIME_EVENT_NOTIFICATION = 0x2a,
	BINDING_CONTEXT_CMD = 0x2b,
	TIME_QUOTA_CMD = 0x2c,

	LQ_CMD = 0x4e,

	/* Calibration */
	TEMPERATURE_NOTIFICATION = 0x62,
	CALIBRATION_CFG_CMD = 0x65,
	CALIBRATION_RES_NOTIFICATION = 0x66,
	CALIBRATION_COMPLETE_NOTIFICATION = 0x67,
	RADIO_VERSION_NOTIFICATION = 0x68,

	/* Scan offload */
	SCAN_OFFLOAD_REQUEST_CMD = 0x51,
	SCAN_OFFLOAD_ABORT_CMD = 0x52,
	SCAN_OFFLOAD_COMPLETE = 0x6D,
	SCAN_OFFLOAD_UPDATE_PROFILES_CMD = 0x6E,
	SCAN_OFFLOAD_CONFIG_CMD = 0x6f,

	/* Phy */
	PHY_CONFIGURATION_CMD = 0x6a,
	CALIB_RES_NOTIF_PHY_DB = 0x6b,
	/* PHY_DB_CMD = 0x6c, */

	/* Power */
	POWER_TABLE_CMD = 0x77,

	/* Scanning */
	SCAN_REQUEST_CMD = 0x80,
	SCAN_ABORT_CMD = 0x81,
	SCAN_START_NOTIFICATION = 0x82,
	SCAN_RESULTS_NOTIFICATION = 0x83,
	SCAN_COMPLETE_NOTIFICATION = 0x84,

	/* NVM */
	NVM_ACCESS_CMD = 0x88,

	SET_CALIB_DEFAULT_CMD = 0x8e,

	BEACON_TEMPLATE_CMD = 0x91,
	TX_ANT_CONFIGURATION_CMD = 0x98,
	STATISTICS_NOTIFICATION = 0x9d,

	/* RF-KILL commands and notifications */
	CARD_STATE_CMD = 0xa0,
	CARD_STATE_NOTIFICATION = 0xa1,

	REPLY_RX_PHY_CMD = 0xc0,
	REPLY_RX_MPDU_CMD = 0xc1,
	BA_NOTIF = 0xc5,

	REPLY_DEBUG_CMD = 0xf0,
	DEBUG_LOG_MSG = 0xf7,

	/* D3 commands/notifications */
	D3_CONFIG_CMD = 0xd3,
	PROT_OFFLOAD_CONFIG_CMD = 0xd4,
	OFFLOADS_QUERY_CMD = 0xd5,
	REMOTE_WAKE_CONFIG_CMD = 0xd6,

	/* for WoWLAN in particular */
	WOWLAN_PATTERNS = 0xe0,
	WOWLAN_CONFIGURATION = 0xe1,
	WOWLAN_TSC_RSC_PARAM = 0xe2,
	WOWLAN_TKIP_PARAM = 0xe3,
	WOWLAN_KEK_KCK_MATERIAL = 0xe4,
	WOWLAN_GET_STATUSES = 0xe5,
	WOWLAN_TX_POWER_PER_DB = 0xe6,

	/* and for NetDetect */
	NET_DETECT_CONFIG_CMD = 0x54,
	NET_DETECT_PROFILES_QUERY_CMD = 0x56,
	NET_DETECT_PROFILES_CMD = 0x57,
	NET_DETECT_HOTSPOTS_CMD = 0x58,
	NET_DETECT_HOTSPOTS_QUERY_CMD = 0x59,

	REPLY_MAX = 0xff,
};

/**
 * struct iwl_cmd_response - generic response struct for most commands
 * @status: status of the command asked, changes for each one
 */
struct iwl_cmd_response {
	__le32 status;
};

/*
 * struct iwl_tx_ant_cfg_cmd
 * @valid: valid antenna configuration
 */
struct iwl_tx_ant_cfg_cmd {
	__le32 valid;
} __packed;

/*
 * Calibration control struct.
 * Sent as part of the phy configuration command.
 * @flow_trigger: bitmap for which calibrations to perform according to
 *		flow triggers.
 * @event_trigger: bitmap for which calibrations to perform according to
 *		event triggers.
 */
struct iwl_calib_ctrl {
	__le32 flow_trigger;
	__le32 event_trigger;
} __packed;

/* This enum defines the bitmap of various calibrations to enable in both
 * init ucode and runtime ucode through CALIBRATION_CFG_CMD.
 */
enum iwl_calib_cfg {
	IWL_CALIB_CFG_XTAL_IDX			= BIT(0),
	IWL_CALIB_CFG_TEMPERATURE_IDX		= BIT(1),
	IWL_CALIB_CFG_VOLTAGE_READ_IDX		= BIT(2),
	IWL_CALIB_CFG_PAPD_IDX			= BIT(3),
	IWL_CALIB_CFG_TX_PWR_IDX		= BIT(4),
	IWL_CALIB_CFG_DC_IDX			= BIT(5),
	IWL_CALIB_CFG_BB_FILTER_IDX		= BIT(6),
	IWL_CALIB_CFG_LO_LEAKAGE_IDX		= BIT(7),
	IWL_CALIB_CFG_TX_IQ_IDX			= BIT(8),
	IWL_CALIB_CFG_TX_IQ_SKEW_IDX		= BIT(9),
	IWL_CALIB_CFG_RX_IQ_IDX			= BIT(10),
	IWL_CALIB_CFG_RX_IQ_SKEW_IDX		= BIT(11),
	IWL_CALIB_CFG_SENSITIVITY_IDX		= BIT(12),
	IWL_CALIB_CFG_CHAIN_NOISE_IDX		= BIT(13),
	IWL_CALIB_CFG_DISCONNECTED_ANT_IDX	= BIT(14),
	IWL_CALIB_CFG_ANT_COUPLING_IDX		= BIT(15),
	IWL_CALIB_CFG_DAC_IDX			= BIT(16),
	IWL_CALIB_CFG_ABS_IDX			= BIT(17),
	IWL_CALIB_CFG_AGC_IDX			= BIT(18),
};

/*
 * Phy configuration command.
 */
struct iwl_phy_cfg_cmd {
	__le32	phy_cfg;
	struct iwl_calib_ctrl calib_control;
} __packed;

#define PHY_CFG_RADIO_TYPE	(BIT(0) | BIT(1))
#define PHY_CFG_RADIO_STEP	(BIT(2) | BIT(3))
#define PHY_CFG_RADIO_DASH	(BIT(4) | BIT(5))
#define PHY_CFG_PRODUCT_NUMBER	(BIT(6) | BIT(7))
#define PHY_CFG_TX_CHAIN_A	BIT(8)
#define PHY_CFG_TX_CHAIN_B	BIT(9)
#define PHY_CFG_TX_CHAIN_C	BIT(10)
#define PHY_CFG_RX_CHAIN_A	BIT(12)
#define PHY_CFG_RX_CHAIN_B	BIT(13)
#define PHY_CFG_RX_CHAIN_C	BIT(14)


/* Target of the NVM_ACCESS_CMD */
enum {
	NVM_ACCESS_TARGET_CACHE = 0,
	NVM_ACCESS_TARGET_OTP = 1,
	NVM_ACCESS_TARGET_EEPROM = 2,
};

/**
 * struct iwl_nvm_access_cmd_ver1 - Request the device to send the NVM.
 * @op_code: 0 - read, 1 - write.
 * @target: NVM_ACCESS_TARGET_*. should be 0 for read.
 * @cache_refresh: 0 - None, 1- NVM.
 * @offset: offset in the nvm data.
 * @length: of the chunk.
 * @data: empty on read, the NVM chunk on write
 */
struct iwl_nvm_access_cmd_ver1 {
	u8 op_code;
	u8 target;
	u8 cache_refresh;
	u8 reserved;
	__le16 offset;
	__le16 length;
	u8 data[];
} __packed; /* NVM_ACCESS_CMD_API_S_VER_1 */

/**
 * struct iwl_nvm_access_resp_ver1 - response to NVM_ACCESS_CMD
 * @offset: the offset in the nvm data
 * @length: of the chunk
 * @data: the nvm chunk on when NVM_ACCESS_CMD was read, nothing on write
 */
struct iwl_nvm_access_resp_ver1 {
	__le16 offset;
	__le16 length;
	u8 data[];
} __packed; /* NVM_ACCESS_CMD_RESP_API_S_VER_1 */

/* Section types for NVM_ACCESS_CMD version 2 */
enum {
	NVM_SECTION_TYPE_HW = 0,
	NVM_SECTION_TYPE_SW,
	NVM_SECTION_TYPE_PAPD,
	NVM_SECTION_TYPE_BT,
	NVM_SECTION_TYPE_CALIBRATION,
	NVM_SECTION_TYPE_PRODUCTION,
	NVM_SECTION_TYPE_POST_FCS_CALIB,
	NVM_NUM_OF_SECTIONS,
};

/**
 * struct iwl_nvm_access_cmd_ver2 - Request the device to send an NVM section
 * @op_code: 0 - read, 1 - write
 * @target: NVM_ACCESS_TARGET_*
 * @type: NVM_SECTION_TYPE_*
 * @offset: offset in bytes into the section
 * @length: in bytes, to read/write
 * @data: if write operation, the data to write. On read its empty
 */
struct iwl_nvm_access_cmd_ver2 {
	u8 op_code;
	u8 target;
	__le16 type;
	__le16 offset;
	__le16 length;
	u8 data[];
} __packed; /* NVM_ACCESS_CMD_API_S_VER_2 */

/**
 * struct iwl_nvm_access_resp_ver2 - response to NVM_ACCESS_CMD
 * @offset: offset in bytes into the section
 * @length: in bytes, either how much was written or read
 * @type: NVM_SECTION_TYPE_*
 * @status: 0 for success, fail otherwise
 * @data: if read operation, the data returned. Empty on write.
 */
struct iwl_nvm_access_resp_ver2 {
	__le16 offset;
	__le16 length;
	__le16 type;
	__le16 status;
	u8 data[];
} __packed; /* NVM_ACCESS_CMD_RESP_API_S_VER_2 */

/* MVM_ALIVE 0x1 */

/* alive response is_valid values */
#define ALIVE_RESP_UCODE_OK	BIT(0)
#define ALIVE_RESP_RFKILL	BIT(1)

/* alive response ver_type values */
enum {
	FW_TYPE_HW = 0,
	FW_TYPE_PROT = 1,
	FW_TYPE_AP = 2,
	FW_TYPE_WOWLAN = 3,
	FW_TYPE_TIMING = 4,
	FW_TYPE_WIPAN = 5
};

/* alive response ver_subtype values */
enum {
	FW_SUBTYPE_FULL_FEATURE = 0,
	FW_SUBTYPE_BOOTSRAP = 1, /* Not valid */
	FW_SUBTYPE_REDUCED = 2,
	FW_SUBTYPE_ALIVE_ONLY = 3,
	FW_SUBTYPE_WOWLAN = 4,
	FW_SUBTYPE_AP_SUBTYPE = 5,
	FW_SUBTYPE_WIPAN = 6,
	FW_SUBTYPE_INITIALIZE = 9
};

#define IWL_ALIVE_STATUS_ERR 0xDEAD
#define IWL_ALIVE_STATUS_OK 0xCAFE

#define IWL_ALIVE_FLG_RFKILL	BIT(0)

struct mvm_alive_resp {
	__le16 status;
	__le16 flags;
	u8 ucode_minor;
	u8 ucode_major;
	__le16 id;
	u8 api_minor;
	u8 api_major;
	u8 ver_subtype;
	u8 ver_type;
	u8 mac;
	u8 opt;
	__le16 reserved2;
	__le32 timestamp;
	__le32 error_event_table_ptr;	/* SRAM address for error log */
	__le32 log_event_table_ptr;	/* SRAM address for event log */
	__le32 cpu_register_ptr;
	__le32 dbgm_config_ptr;
	__le32 alive_counter_ptr;
	__le32 scd_base_ptr;		/* SRAM address for SCD */
} __packed; /* ALIVE_RES_API_S_VER_1 */

/* Error response/notification */
enum {
	FW_ERR_UNKNOWN_CMD = 0x0,
	FW_ERR_INVALID_CMD_PARAM = 0x1,
	FW_ERR_SERVICE = 0x2,
	FW_ERR_ARC_MEMORY = 0x3,
	FW_ERR_ARC_CODE = 0x4,
	FW_ERR_WATCH_DOG = 0x5,
	FW_ERR_WEP_GRP_KEY_INDX = 0x10,
	FW_ERR_WEP_KEY_SIZE = 0x11,
	FW_ERR_OBSOLETE_FUNC = 0x12,
	FW_ERR_UNEXPECTED = 0xFE,
	FW_ERR_FATAL = 0xFF
};

/**
 * struct iwl_error_resp - FW error indication
 * ( REPLY_ERROR = 0x2 )
 * @error_type: one of FW_ERR_*
 * @cmd_id: the command ID for which the error occured
 * @bad_cmd_seq_num: sequence number of the erroneous command
 * @error_service: which service created the error, applicable only if
 *	error_type = 2, otherwise 0
 * @timestamp: TSF in usecs.
 */
struct iwl_error_resp {
	__le32 error_type;
	u8 cmd_id;
	u8 reserved1;
	__le16 bad_cmd_seq_num;
	__le32 error_service;
	__le64 timestamp;
} __packed;


/* Common PHY, MAC and Bindings definitions */

#define MAX_MACS_IN_BINDING	(3)
#define MAX_BINDINGS		(4)
#define AUX_BINDING_INDEX	(3)
#define MAX_PHYS		(4)

/* Used to extract ID and color from the context dword */
#define FW_CTXT_ID_POS	  (0)
#define FW_CTXT_ID_MSK	  (0xff << FW_CTXT_ID_POS)
#define FW_CTXT_COLOR_POS (8)
#define FW_CTXT_COLOR_MSK (0xff << FW_CTXT_COLOR_POS)
#define FW_CTXT_INVALID	  (0xffffffff)

#define FW_CMD_ID_AND_COLOR(_id, _color) ((_id << FW_CTXT_ID_POS) |\
					  (_color << FW_CTXT_COLOR_POS))

/* Possible actions on PHYs, MACs and Bindings */
enum {
	FW_CTXT_ACTION_STUB = 0,
	FW_CTXT_ACTION_ADD,
	FW_CTXT_ACTION_MODIFY,
	FW_CTXT_ACTION_REMOVE,
	FW_CTXT_ACTION_NUM
}; /* COMMON_CONTEXT_ACTION_API_E_VER_1 */

/* Time Events */

/* Time Event types, according to MAC type */
enum iwl_time_event_type {
	/* BSS Station Events */
	TE_BSS_STA_AGGRESSIVE_ASSOC,
	TE_BSS_STA_ASSOC,
	TE_BSS_EAP_DHCP_PROT,
	TE_BSS_QUIET_PERIOD,

	/* P2P Device Events */
	TE_P2P_DEVICE_DISCOVERABLE,
	TE_P2P_DEVICE_LISTEN,
	TE_P2P_DEVICE_ACTION_SCAN,
	TE_P2P_DEVICE_FULL_SCAN,

	/* P2P Client Events */
	TE_P2P_CLIENT_AGGRESSIVE_ASSOC,
	TE_P2P_CLIENT_ASSOC,
	TE_P2P_CLIENT_QUIET_PERIOD,

	/* P2P GO Events */
	TE_P2P_GO_ASSOC_PROT,
	TE_P2P_GO_REPETITIVE_NOA,
	TE_P2P_GO_CT_WINDOW,

	/* WiDi Sync Events */
	TE_WIDI_TX_SYNC,

	TE_MAX
}; /* MAC_EVENT_TYPE_API_E_VER_1 */

/* Time Event dependencies: none, on another TE, or in a specific time */
enum {
	TE_INDEPENDENT		= 0,
	TE_DEP_OTHER		= 1,
	TE_DEP_TSF		= 2,
	TE_EVENT_SOCIOPATHIC	= 4,
}; /* MAC_EVENT_DEPENDENCY_POLICY_API_E_VER_2 */

/* When to send Time Event notifications and to whom (internal = FW) */
enum {
	TE_NOTIF_NONE = 0,
	TE_NOTIF_HOST_START = 0x1,
	TE_NOTIF_HOST_END = 0x2,
	TE_NOTIF_INTERNAL_START = 0x4,
	TE_NOTIF_INTERNAL_END = 0x8
}; /* MAC_EVENT_ACTION_API_E_VER_1 */

/*
 * @TE_FRAG_NONE: fragmentation of the time event is NOT allowed.
 * @TE_FRAG_SINGLE: fragmentation of the time event is allowed, but only
 *  the first fragment is scheduled.
 * @TE_FRAG_DUAL: fragmentation of the time event is allowed, but only
 *  the first 2 fragments are scheduled.
 * @TE_FRAG_ENDLESS: fragmentation of the time event is allowed, and any number
 *  of fragments are valid.
 *
 * Other than the constant defined above, specifying a fragmentation value 'x'
 * means that the event can be fragmented but only the first 'x' will be
 * scheduled.
 */
enum {
	TE_FRAG_NONE = 0,
	TE_FRAG_SINGLE = 1,
	TE_FRAG_DUAL = 2,
	TE_FRAG_ENDLESS = 0xffffffff
};

/* Repeat the time event endlessly (until removed) */
#define TE_REPEAT_ENDLESS	(0xffffffff)
/* If a Time Event has bounded repetitions, this is the maximal value */
#define TE_REPEAT_MAX_MSK	(0x0fffffff)
/* If a Time Event can be fragmented, this is the max number of fragments */
#define TE_FRAG_MAX_MSK		(0x0fffffff)

/**
 * struct iwl_time_event_cmd - configuring Time Events
 * ( TIME_EVENT_CMD = 0x29 )
 * @id_and_color: ID and color of the relevant MAC
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @id: this field has two meanings, depending on the action:
 *	If the action is ADD, then it means the type of event to add.
 *	For all other actions it is the unique event ID assigned when the
 *	event was added by the FW.
 * @apply_time: When to start the Time Event (in GP2)
 * @max_delay: maximum delay to event's start (apply time), in TU
 * @depends_on: the unique ID of the event we depend on (if any)
 * @interval: interval between repetitions, in TU
 * @interval_reciprocal: 2^32 / interval
 * @duration: duration of event in TU
 * @repeat: how many repetitions to do, can be TE_REPEAT_ENDLESS
 * @dep_policy: one of TE_INDEPENDENT, TE_DEP_OTHER, TE_DEP_TSF
 * @is_present: 0 or 1, are we present or absent during the Time Event
 * @max_frags: maximal number of fragments the Time Event can be divided to
 * @notify: notifications using TE_NOTIF_* (whom to notify when)
 */
struct iwl_time_event_cmd {
	/* COMMON_INDEX_HDR_API_S_VER_1 */
	__le32 id_and_color;
	__le32 action;
	__le32 id;
	/* MAC_TIME_EVENT_DATA_API_S_VER_1 */
	__le32 apply_time;
	__le32 max_delay;
	__le32 dep_policy;
	__le32 depends_on;
	__le32 is_present;
	__le32 max_frags;
	__le32 interval;
	__le32 interval_reciprocal;
	__le32 duration;
	__le32 repeat;
	__le32 notify;
} __packed; /* MAC_TIME_EVENT_CMD_API_S_VER_1 */

/**
 * struct iwl_time_event_resp - response structure to iwl_time_event_cmd
 * @status: bit 0 indicates success, all others specify errors
 * @id: the Time Event type
 * @unique_id: the unique ID assigned (in ADD) or given (others) to the TE
 * @id_and_color: ID and color of the relevant MAC
 */
struct iwl_time_event_resp {
	__le32 status;
	__le32 id;
	__le32 unique_id;
	__le32 id_and_color;
} __packed; /* MAC_TIME_EVENT_RSP_API_S_VER_1 */

/**
 * struct iwl_time_event_notif - notifications of time event start/stop
 * ( TIME_EVENT_NOTIFICATION = 0x2a )
 * @timestamp: action timestamp in GP2
 * @session_id: session's unique id
 * @unique_id: unique id of the Time Event itself
 * @id_and_color: ID and color of the relevant MAC
 * @action: one of TE_NOTIF_START or TE_NOTIF_END
 * @status: true if scheduled, false otherwise (not executed)
 */
struct iwl_time_event_notif {
	__le32 timestamp;
	__le32 session_id;
	__le32 unique_id;
	__le32 id_and_color;
	__le32 action;
	__le32 status;
} __packed; /* MAC_TIME_EVENT_NTFY_API_S_VER_1 */


/* Bindings and Time Quota */

/**
 * struct iwl_binding_cmd - configuring bindings
 * ( BINDING_CONTEXT_CMD = 0x2b )
 * @id_and_color: ID and color of the relevant Binding
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @macs: array of MAC id and colors which belong to the binding
 * @phy: PHY id and color which belongs to the binding
 */
struct iwl_binding_cmd {
	/* COMMON_INDEX_HDR_API_S_VER_1 */
	__le32 id_and_color;
	__le32 action;
	/* BINDING_DATA_API_S_VER_1 */
	__le32 macs[MAX_MACS_IN_BINDING];
	__le32 phy;
} __packed; /* BINDING_CMD_API_S_VER_1 */

/* The maximal number of fragments in the FW's schedule session */
#define IWL_MVM_MAX_QUOTA 128

/**
 * struct iwl_time_quota_data - configuration of time quota per binding
 * @id_and_color: ID and color of the relevant Binding
 * @quota: absolute time quota in TU. The scheduler will try to divide the
 *	remainig quota (after Time Events) according to this quota.
 * @max_duration: max uninterrupted context duration in TU
 */
struct iwl_time_quota_data {
	__le32 id_and_color;
	__le32 quota;
	__le32 max_duration;
} __packed; /* TIME_QUOTA_DATA_API_S_VER_1 */

/**
 * struct iwl_time_quota_cmd - configuration of time quota between bindings
 * ( TIME_QUOTA_CMD = 0x2c )
 * @quotas: allocations per binding
 */
struct iwl_time_quota_cmd {
	struct iwl_time_quota_data quotas[MAX_BINDINGS];
} __packed; /* TIME_QUOTA_ALLOCATION_CMD_API_S_VER_1 */


/* PHY context */

/* Supported bands */
#define PHY_BAND_5  (0)
#define PHY_BAND_24 (1)

/* Supported channel width, vary if there is VHT support */
#define PHY_VHT_CHANNEL_MODE20	(0x0)
#define PHY_VHT_CHANNEL_MODE40	(0x1)
#define PHY_VHT_CHANNEL_MODE80	(0x2)
#define PHY_VHT_CHANNEL_MODE160	(0x3)

/*
 * Control channel position:
 * For legacy set bit means upper channel, otherwise lower.
 * For VHT - bit-2 marks if the control is lower/upper relative to center-freq
 *   bits-1:0 mark the distance from the center freq. for 20Mhz, offset is 0.
 *                                   center_freq
 *                                        |
 * 40Mhz                          |_______|_______|
 * 80Mhz                  |_______|_______|_______|_______|
 * 160Mhz |_______|_______|_______|_______|_______|_______|_______|_______|
 * code      011     010     001     000  |  100     101     110    111
 */
#define PHY_VHT_CTRL_POS_1_BELOW  (0x0)
#define PHY_VHT_CTRL_POS_2_BELOW  (0x1)
#define PHY_VHT_CTRL_POS_3_BELOW  (0x2)
#define PHY_VHT_CTRL_POS_4_BELOW  (0x3)
#define PHY_VHT_CTRL_POS_1_ABOVE  (0x4)
#define PHY_VHT_CTRL_POS_2_ABOVE  (0x5)
#define PHY_VHT_CTRL_POS_3_ABOVE  (0x6)
#define PHY_VHT_CTRL_POS_4_ABOVE  (0x7)

/*
 * @band: PHY_BAND_*
 * @channel: channel number
 * @width: PHY_[VHT|LEGACY]_CHANNEL_*
 * @ctrl channel: PHY_[VHT|LEGACY]_CTRL_*
 */
struct iwl_fw_channel_info {
	u8 band;
	u8 channel;
	u8 width;
	u8 ctrl_pos;
} __packed;

#define PHY_RX_CHAIN_DRIVER_FORCE_POS	(0)
#define PHY_RX_CHAIN_DRIVER_FORCE_MSK \
	(0x1 << PHY_RX_CHAIN_DRIVER_FORCE_POS)
#define PHY_RX_CHAIN_VALID_POS		(1)
#define PHY_RX_CHAIN_VALID_MSK \
	(0x7 << PHY_RX_CHAIN_VALID_POS)
#define PHY_RX_CHAIN_FORCE_SEL_POS	(4)
#define PHY_RX_CHAIN_FORCE_SEL_MSK \
	(0x7 << PHY_RX_CHAIN_FORCE_SEL_POS)
#define PHY_RX_CHAIN_FORCE_MIMO_SEL_POS	(7)
#define PHY_RX_CHAIN_FORCE_MIMO_SEL_MSK \
	(0x7 << PHY_RX_CHAIN_FORCE_MIMO_SEL_POS)
#define PHY_RX_CHAIN_CNT_POS		(10)
#define PHY_RX_CHAIN_CNT_MSK \
	(0x3 << PHY_RX_CHAIN_CNT_POS)
#define PHY_RX_CHAIN_MIMO_CNT_POS	(12)
#define PHY_RX_CHAIN_MIMO_CNT_MSK \
	(0x3 << PHY_RX_CHAIN_MIMO_CNT_POS)
#define PHY_RX_CHAIN_MIMO_FORCE_POS	(14)
#define PHY_RX_CHAIN_MIMO_FORCE_MSK \
	(0x1 << PHY_RX_CHAIN_MIMO_FORCE_POS)

/* TODO: fix the value, make it depend on firmware at runtime? */
#define NUM_PHY_CTX	3

/* TODO: complete missing documentation */
/**
 * struct iwl_phy_context_cmd - config of the PHY context
 * ( PHY_CONTEXT_CMD = 0x8 )
 * @id_and_color: ID and color of the relevant Binding
 * @action: action to perform, one of FW_CTXT_ACTION_*
 * @apply_time: 0 means immediate apply and context switch.
 *	other value means apply new params after X usecs
 * @tx_param_color: ???
 * @channel_info:
 * @txchain_info: ???
 * @rxchain_info: ???
 * @acquisition_data: ???
 * @dsp_cfg_flags: set to 0
 */
struct iwl_phy_context_cmd {
	/* COMMON_INDEX_HDR_API_S_VER_1 */
	__le32 id_and_color;
	__le32 action;
	/* PHY_CONTEXT_DATA_API_S_VER_1 */
	__le32 apply_time;
	__le32 tx_param_color;
	struct iwl_fw_channel_info ci;
	__le32 txchain_info;
	__le32 rxchain_info;
	__le32 acquisition_data;
	__le32 dsp_cfg_flags;
} __packed; /* PHY_CONTEXT_CMD_API_VER_1 */

#define IWL_RX_INFO_PHY_CNT 8
#define IWL_RX_INFO_AGC_IDX 1
#define IWL_RX_INFO_RSSI_AB_IDX 2
#define IWL_OFDM_AGC_A_MSK 0x0000007f
#define IWL_OFDM_AGC_A_POS 0
#define IWL_OFDM_AGC_B_MSK 0x00003f80
#define IWL_OFDM_AGC_B_POS 7
#define IWL_OFDM_AGC_CODE_MSK 0x3fe00000
#define IWL_OFDM_AGC_CODE_POS 20
#define IWL_OFDM_RSSI_INBAND_A_MSK 0x00ff
#define IWL_OFDM_RSSI_A_POS 0
#define IWL_OFDM_RSSI_ALLBAND_A_MSK 0xff00
#define IWL_OFDM_RSSI_ALLBAND_A_POS 8
#define IWL_OFDM_RSSI_INBAND_B_MSK 0xff0000
#define IWL_OFDM_RSSI_B_POS 16
#define IWL_OFDM_RSSI_ALLBAND_B_MSK 0xff000000
#define IWL_OFDM_RSSI_ALLBAND_B_POS 24

/**
 * struct iwl_rx_phy_info - phy info
 * (REPLY_RX_PHY_CMD = 0xc0)
 * @non_cfg_phy_cnt: non configurable DSP phy data byte count
 * @cfg_phy_cnt: configurable DSP phy data byte count
 * @stat_id: configurable DSP phy data set ID
 * @reserved1:
 * @system_timestamp: GP2  at on air rise
 * @timestamp: TSF at on air rise
 * @beacon_time_stamp: beacon at on-air rise
 * @phy_flags: general phy flags: band, modulation, ...
 * @channel: channel number
 * @non_cfg_phy_buf: for various implementations of non_cfg_phy
 * @rate_n_flags: RATE_MCS_*
 * @byte_count: frame's byte-count
 * @frame_time: frame's time on the air, based on byte count and frame rate
 *	calculation
 *
 * Before each Rx, the device sends this data. It contains PHY information
 * about the reception of the packet.
 */
struct iwl_rx_phy_info {
	u8 non_cfg_phy_cnt;
	u8 cfg_phy_cnt;
	u8 stat_id;
	u8 reserved1;
	__le32 system_timestamp;
	__le64 timestamp;
	__le32 beacon_time_stamp;
	__le16 phy_flags;
	__le16 channel;
	__le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT];
	__le32 rate_n_flags;
	__le32 byte_count;
	__le16 reserved2;
	__le16 frame_time;
} __packed;

struct iwl_rx_mpdu_res_start {
	__le16 byte_count;
	__le16 reserved;
} __packed;

/**
 * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags
 * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band
 * @RX_RES_PHY_FLAGS_MOD_CCK:
 * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short
 * @RX_RES_PHY_FLAGS_NARROW_BAND:
 * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received
 * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU
 * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame
 * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble
 * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame
 */
enum iwl_rx_phy_flags {
	RX_RES_PHY_FLAGS_BAND_24	= BIT(0),
	RX_RES_PHY_FLAGS_MOD_CCK	= BIT(1),
	RX_RES_PHY_FLAGS_SHORT_PREAMBLE	= BIT(2),
	RX_RES_PHY_FLAGS_NARROW_BAND	= BIT(3),
	RX_RES_PHY_FLAGS_ANTENNA	= (0x7 << 4),
	RX_RES_PHY_FLAGS_ANTENNA_POS	= 4,
	RX_RES_PHY_FLAGS_AGG		= BIT(7),
	RX_RES_PHY_FLAGS_OFDM_HT	= BIT(8),
	RX_RES_PHY_FLAGS_OFDM_GF	= BIT(9),
	RX_RES_PHY_FLAGS_OFDM_VHT	= BIT(10),
};

/**
 * enum iwl_mvm_rx_status - written by fw for each Rx packet
 * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine
 * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow
 * @RX_MPDU_RES_STATUS_SRC_STA_FOUND:
 * @RX_MPDU_RES_STATUS_KEY_VALID:
 * @RX_MPDU_RES_STATUS_KEY_PARAM_OK:
 * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed
 * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked
 *	in the driver.
 * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine
 * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR:  valid for alg = CCM_CMAC or
 *	alg = CCM only. Checks replay attack for 11w frames. Relevant only if
 *	%RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set.
 * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted
 * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP
 * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM
 * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP
 * @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC
 * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted
 * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm
 * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted
 * @RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP:
 * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP:
 * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT:
 * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame
 * @RX_MPDU_RES_STATUS_HASH_INDEX_MSK:
 * @RX_MPDU_RES_STATUS_STA_ID_MSK:
 * @RX_MPDU_RES_STATUS_RRF_KILL:
 * @RX_MPDU_RES_STATUS_FILTERING_MSK:
 * @RX_MPDU_RES_STATUS2_FILTERING_MSK:
 */
enum iwl_mvm_rx_status {
	RX_MPDU_RES_STATUS_CRC_OK			= BIT(0),
	RX_MPDU_RES_STATUS_OVERRUN_OK			= BIT(1),
	RX_MPDU_RES_STATUS_SRC_STA_FOUND		= BIT(2),
	RX_MPDU_RES_STATUS_KEY_VALID			= BIT(3),
	RX_MPDU_RES_STATUS_KEY_PARAM_OK			= BIT(4),
	RX_MPDU_RES_STATUS_ICV_OK			= BIT(5),
	RX_MPDU_RES_STATUS_MIC_OK			= BIT(6),
	RX_MPDU_RES_STATUS_TTAK_OK			= BIT(7),
	RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR		= BIT(7),
	RX_MPDU_RES_STATUS_SEC_NO_ENC			= (0 << 8),
	RX_MPDU_RES_STATUS_SEC_WEP_ENC			= (1 << 8),
	RX_MPDU_RES_STATUS_SEC_CCM_ENC			= (2 << 8),
	RX_MPDU_RES_STATUS_SEC_TKIP_ENC			= (3 << 8),
	RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC		= (6 << 8),
	RX_MPDU_RES_STATUS_SEC_ENC_ERR			= (7 << 8),
	RX_MPDU_RES_STATUS_SEC_ENC_MSK			= (7 << 8),
	RX_MPDU_RES_STATUS_DEC_DONE			= BIT(11),
	RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP	= BIT(12),
	RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP		= BIT(13),
	RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT		= BIT(14),
	RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME		= BIT(15),
	RX_MPDU_RES_STATUS_HASH_INDEX_MSK		= (0x3F0000),
	RX_MPDU_RES_STATUS_STA_ID_MSK			= (0x1f000000),
	RX_MPDU_RES_STATUS_RRF_KILL			= BIT(29),
	RX_MPDU_RES_STATUS_FILTERING_MSK		= (0xc00000),
	RX_MPDU_RES_STATUS2_FILTERING_MSK		= (0xc0000000),
};

/**
 * struct iwl_radio_version_notif - information on the radio version
 * ( RADIO_VERSION_NOTIFICATION = 0x68 )
 * @radio_flavor:
 * @radio_step:
 * @radio_dash:
 */
struct iwl_radio_version_notif {
	__le32 radio_flavor;
	__le32 radio_step;
	__le32 radio_dash;
} __packed; /* RADIO_VERSION_NOTOFICATION_S_VER_1 */

enum iwl_card_state_flags {
	CARD_ENABLED		= 0x00,
	HW_CARD_DISABLED	= 0x01,
	SW_CARD_DISABLED	= 0x02,
	CT_KILL_CARD_DISABLED	= 0x04,
	HALT_CARD_DISABLED	= 0x08,
	CARD_DISABLED_MSK	= 0x0f,
	CARD_IS_RX_ON		= 0x10,
};

/**
 * struct iwl_radio_version_notif - information on the radio version
 * ( CARD_STATE_NOTIFICATION = 0xa1 )
 * @flags: %iwl_card_state_flags
 */
struct iwl_card_state_notif {
	__le32 flags;
} __packed; /* CARD_STATE_NTFY_API_S_VER_1 */

/**
 * struct iwl_set_calib_default_cmd - set default value for calibration.
 * ( SET_CALIB_DEFAULT_CMD = 0x8e )
 * @calib_index: the calibration to set value for
 * @length: of data
 * @data: the value to set for the calibration result
 */
struct iwl_set_calib_default_cmd {
	__le16 calib_index;
	__le16 length;
	u8 data[0];
} __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */

#endif /* __fw_api_h__ */