drivers/net/wireless/wl12xx/wl1251_acx.h

/*
 * This file is part of wl1251
 *
 * Copyright (c) 1998-2007 Texas Instruments Incorporated
 * Copyright (C) 2008 Nokia Corporation
 *
 * Contact: Kalle Valo <kalle.valo@nokia.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 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 St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef __WL1251_ACX_H__
#define __WL1251_ACX_H__

#include "wl1251.h"
#include "wl1251_cmd.h"

/* Target's information element */
struct acx_header {
	struct wl1251_cmd_header cmd;

	/* acx (or information element) header */
	u16 id;

	/* payload length (not including headers */
	u16 len;
} __packed;

struct acx_error_counter {
	struct acx_header header;

	/* The number of PLCP errors since the last time this */
	/* information element was interrogated. This field is */
	/* automatically cleared when it is interrogated.*/
	u32 PLCP_error;

	/* The number of FCS errors since the last time this */
	/* information element was interrogated. This field is */
	/* automatically cleared when it is interrogated.*/
	u32 FCS_error;

	/* The number of MPDUs without PLCP header errors received*/
	/* since the last time this information element was interrogated. */
	/* This field is automatically cleared when it is interrogated.*/
	u32 valid_frame;

	/* the number of missed sequence numbers in the squentially */
	/* values of frames seq numbers */
	u32 seq_num_miss;
} __packed;

struct acx_revision {
	struct acx_header header;

	/*
	 * The WiLink firmware version, an ASCII string x.x.x.x,
	 * that uniquely identifies the current firmware.
	 * The left most digit is incremented each time a
	 * significant change is made to the firmware, such as
	 * code redesign or new platform support.
	 * The second digit is incremented when major enhancements
	 * are added or major fixes are made.
	 * The third digit is incremented for each GA release.
	 * The fourth digit is incremented for each build.
	 * The first two digits identify a firmware release version,
	 * in other words, a unique set of features.
	 * The first three digits identify a GA release.
	 */
	char fw_version[20];

	/*
	 * This 4 byte field specifies the WiLink hardware version.
	 * bits 0  - 15: Reserved.
	 * bits 16 - 23: Version ID - The WiLink version ID
	 *              (1 = first spin, 2 = second spin, and so on).
	 * bits 24 - 31: Chip ID - The WiLink chip ID.
	 */
	u32 hw_version;
} __packed;

enum wl1251_psm_mode {
	/* Active mode */
	WL1251_PSM_CAM = 0,

	/* Power save mode */
	WL1251_PSM_PS = 1,

	/* Extreme low power */
	WL1251_PSM_ELP = 2,
};

struct acx_sleep_auth {
	struct acx_header header;

	/* The sleep level authorization of the device. */
	/* 0 - Always active*/
	/* 1 - Power down mode: light / fast sleep*/
	/* 2 - ELP mode: Deep / Max sleep*/
	u8  sleep_auth;
	u8  padding[3];
} __packed;

enum {
	HOSTIF_PCI_MASTER_HOST_INDIRECT,
	HOSTIF_PCI_MASTER_HOST_DIRECT,
	HOSTIF_SLAVE,
	HOSTIF_PKT_RING,
	HOSTIF_DONTCARE = 0xFF
};

#define DEFAULT_UCAST_PRIORITY          0
#define DEFAULT_RX_Q_PRIORITY           0
#define DEFAULT_NUM_STATIONS            1
#define DEFAULT_RXQ_PRIORITY            0 /* low 0 .. 15 high  */
#define DEFAULT_RXQ_TYPE                0x07    /* All frames, Data/Ctrl/Mgmt */
#define TRACE_BUFFER_MAX_SIZE           256

#define  DP_RX_PACKET_RING_CHUNK_SIZE 1600
#define  DP_TX_PACKET_RING_CHUNK_SIZE 1600
#define  DP_RX_PACKET_RING_CHUNK_NUM 2
#define  DP_TX_PACKET_RING_CHUNK_NUM 2
#define  DP_TX_COMPLETE_TIME_OUT 20
#define  FW_TX_CMPLT_BLOCK_SIZE 16

struct acx_data_path_params {
	struct acx_header header;

	u16 rx_packet_ring_chunk_size;
	u16 tx_packet_ring_chunk_size;

	u8 rx_packet_ring_chunk_num;
	u8 tx_packet_ring_chunk_num;

	/*
	 * Maximum number of packets that can be gathered
	 * in the TX complete ring before an interrupt
	 * is generated.
	 */
	u8 tx_complete_threshold;

	/* Number of pending TX complete entries in cyclic ring.*/
	u8 tx_complete_ring_depth;

	/*
	 * Max num microseconds since a packet enters the TX
	 * complete ring until an interrupt is generated.
	 */
	u32 tx_complete_timeout;
} __packed;


struct acx_data_path_params_resp {
	struct acx_header header;

	u16 rx_packet_ring_chunk_size;
	u16 tx_packet_ring_chunk_size;

	u8 rx_packet_ring_chunk_num;
	u8 tx_packet_ring_chunk_num;

	u8 pad[2];

	u32 rx_packet_ring_addr;
	u32 tx_packet_ring_addr;

	u32 rx_control_addr;
	u32 tx_control_addr;

	u32 tx_complete_addr;
} __packed;

#define TX_MSDU_LIFETIME_MIN       0
#define TX_MSDU_LIFETIME_MAX       3000
#define TX_MSDU_LIFETIME_DEF       512
#define RX_MSDU_LIFETIME_MIN       0
#define RX_MSDU_LIFETIME_MAX       0xFFFFFFFF
#define RX_MSDU_LIFETIME_DEF       512000

struct acx_rx_msdu_lifetime {
	struct acx_header header;

	/*
	 * The maximum amount of time, in TU, before the
	 * firmware discards the MSDU.
	 */
	u32 lifetime;
} __packed;

/*
 * RX Config Options Table
 * Bit		Definition
 * ===		==========
 * 31:14		Reserved
 * 13		Copy RX Status - when set, write three receive status words
 * 	 	to top of rx'd MPDUs.
 * 		When cleared, do not write three status words (added rev 1.5)
 * 12		Reserved
 * 11		RX Complete upon FCS error - when set, give rx complete
 *	 	interrupt for FCS errors, after the rx filtering, e.g. unicast
 *	 	frames not to us with FCS error will not generate an interrupt.
 * 10		SSID Filter Enable - When set, the WiLink discards all beacon,
 *	        probe request, and probe response frames with an SSID that does
 *		not match the SSID specified by the host in the START/JOIN
 *		command.
 *		When clear, the WiLink receives frames with any SSID.
 * 9		Broadcast Filter Enable - When set, the WiLink discards all
 * 	 	broadcast frames. When clear, the WiLink receives all received
 *		broadcast frames.
 * 8:6		Reserved
 * 5		BSSID Filter Enable - When set, the WiLink discards any frames
 * 	 	with a BSSID that does not match the BSSID specified by the
 *		host.
 *		When clear, the WiLink receives frames from any BSSID.
 * 4		MAC Addr Filter - When set, the WiLink discards any frames
 * 	 	with a destination address that does not match the MAC address
 *		of the adaptor.
 *		When clear, the WiLink receives frames destined to any MAC
 *		address.
 * 3		Promiscuous - When set, the WiLink receives all valid frames
 * 	 	(i.e., all frames that pass the FCS check).
 *		When clear, only frames that pass the other filters specified
 *		are received.
 * 2		FCS - When set, the WiLink includes the FCS with the received
 *	 	frame.
 *		When cleared, the FCS is discarded.
 * 1		PLCP header - When set, write all data from baseband to frame
 * 	 	buffer including PHY header.
 * 0		Reserved - Always equal to 0.
 *
 * RX Filter Options Table
 * Bit		Definition
 * ===		==========
 * 31:12		Reserved - Always equal to 0.
 * 11		Association - When set, the WiLink receives all association
 * 	 	related frames (association request/response, reassocation
 *		request/response, and disassociation). When clear, these frames
 *		are discarded.
 * 10		Auth/De auth - When set, the WiLink receives all authentication
 * 	 	and de-authentication frames. When clear, these frames are
 *		discarded.
 * 9		Beacon - When set, the WiLink receives all beacon frames.
 * 	 	When clear, these frames are discarded.
 * 8		Contention Free - When set, the WiLink receives all contention
 * 	 	free frames.
 *		When clear, these frames are discarded.
 * 7		Control - When set, the WiLink receives all control frames.
 * 	 	When clear, these frames are discarded.
 * 6		Data - When set, the WiLink receives all data frames.
 * 	 	When clear, these frames are discarded.
 * 5		FCS Error - When set, the WiLink receives frames that have FCS
 *	 	errors.
 *		When clear, these frames are discarded.
 * 4		Management - When set, the WiLink receives all management
 *		frames.
 * 	 	When clear, these frames are discarded.
 * 3		Probe Request - When set, the WiLink receives all probe request
 * 	 	frames.
 *		When clear, these frames are discarded.
 * 2		Probe Response - When set, the WiLink receives all probe
 * 		response frames.
 *		When clear, these frames are discarded.
 * 1		RTS/CTS/ACK - When set, the WiLink receives all RTS, CTS and ACK
 * 	 	frames.
 *		When clear, these frames are discarded.
 * 0		Rsvd Type/Sub Type - When set, the WiLink receives all frames
 * 	 	that have reserved frame types and sub types as defined by the
 *		802.11 specification.
 *		When clear, these frames are discarded.
 */
struct acx_rx_config {
	struct acx_header header;

	u32 config_options;
	u32 filter_options;
} __packed;

enum {
	QOS_AC_BE = 0,
	QOS_AC_BK,
	QOS_AC_VI,
	QOS_AC_VO,
	QOS_HIGHEST_AC_INDEX = QOS_AC_VO,
};

#define MAX_NUM_OF_AC             (QOS_HIGHEST_AC_INDEX+1)
#define FIRST_AC_INDEX            QOS_AC_BE
#define MAX_NUM_OF_802_1d_TAGS    8
#define AC_PARAMS_MAX_TSID        15
#define MAX_APSD_CONF             0xffff

#define  QOS_TX_HIGH_MIN      (0)
#define  QOS_TX_HIGH_MAX      (100)

#define  QOS_TX_HIGH_BK_DEF   (25)
#define  QOS_TX_HIGH_BE_DEF   (35)
#define  QOS_TX_HIGH_VI_DEF   (35)
#define  QOS_TX_HIGH_VO_DEF   (35)

#define  QOS_TX_LOW_BK_DEF    (15)
#define  QOS_TX_LOW_BE_DEF    (25)
#define  QOS_TX_LOW_VI_DEF    (25)
#define  QOS_TX_LOW_VO_DEF    (25)

struct acx_tx_queue_qos_config {
	struct acx_header header;

	u8 qid;
	u8 pad[3];

	/* Max number of blocks allowd in the queue */
	u16 high_threshold;

	/* Lowest memory blocks guaranteed for this queue */
	u16 low_threshold;
} __packed;

struct acx_packet_detection {
	struct acx_header header;

	u32 threshold;
} __packed;


enum acx_slot_type {
	SLOT_TIME_LONG = 0,
	SLOT_TIME_SHORT = 1,
	DEFAULT_SLOT_TIME = SLOT_TIME_SHORT,
	MAX_SLOT_TIMES = 0xFF
};

#define STATION_WONE_INDEX 0

struct acx_slot {
	struct acx_header header;

	u8 wone_index; /* Reserved */
	u8 slot_time;
	u8 reserved[6];
} __packed;


#define ADDRESS_GROUP_MAX	(8)
#define ADDRESS_GROUP_MAX_LEN	(ETH_ALEN * ADDRESS_GROUP_MAX)

struct acx_dot11_grp_addr_tbl {
	struct acx_header header;

	u8 enabled;
	u8 num_groups;
	u8 pad[2];
	u8 mac_table[ADDRESS_GROUP_MAX_LEN];
} __packed;


#define  RX_TIMEOUT_PS_POLL_MIN    0
#define  RX_TIMEOUT_PS_POLL_MAX    (200000)
#define  RX_TIMEOUT_PS_POLL_DEF    (15)
#define  RX_TIMEOUT_UPSD_MIN       0
#define  RX_TIMEOUT_UPSD_MAX       (200000)
#define  RX_TIMEOUT_UPSD_DEF       (15)

struct acx_rx_timeout {
	struct acx_header header;

	/*
	 * The longest time the STA will wait to receive
	 * traffic from the AP after a PS-poll has been
	 * transmitted.
	 */
	u16 ps_poll_timeout;

	/*
	 * The longest time the STA will wait to receive
	 * traffic from the AP after a frame has been sent
	 * from an UPSD enabled queue.
	 */
	u16 upsd_timeout;
} __packed;

#define RTS_THRESHOLD_MIN              0
#define RTS_THRESHOLD_MAX              4096
#define RTS_THRESHOLD_DEF              2347

struct acx_rts_threshold {
	struct acx_header header;

	u16 threshold;
	u8 pad[2];
} __packed;

struct acx_beacon_filter_option {
	struct acx_header header;

	u8 enable;

	/*
	 * The number of beacons without the unicast TIM
	 * bit set that the firmware buffers before
	 * signaling the host about ready frames.
	 * When set to 0 and the filter is enabled, beacons
	 * without the unicast TIM bit set are dropped.
	 */
	u8 max_num_beacons;
	u8 pad[2];
} __packed;

/*
 * ACXBeaconFilterEntry (not 221)
 * Byte Offset     Size (Bytes)    Definition
 * ===========     ============    ==========
 * 0				1               IE identifier
 * 1               1               Treatment bit mask
 *
 * ACXBeaconFilterEntry (221)
 * Byte Offset     Size (Bytes)    Definition
 * ===========     ============    ==========
 * 0               1               IE identifier
 * 1               1               Treatment bit mask
 * 2               3               OUI
 * 5               1               Type
 * 6               2               Version
 *
 *
 * Treatment bit mask - The information element handling:
 * bit 0 - The information element is compared and transferred
 * in case of change.
 * bit 1 - The information element is transferred to the host
 * with each appearance or disappearance.
 * Note that both bits can be set at the same time.
 */
#define	BEACON_FILTER_TABLE_MAX_IE_NUM		       (32)
#define BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM (6)
#define BEACON_FILTER_TABLE_IE_ENTRY_SIZE	       (2)
#define BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE (6)
#define BEACON_FILTER_TABLE_MAX_SIZE ((BEACON_FILTER_TABLE_MAX_IE_NUM * \
			    BEACON_FILTER_TABLE_IE_ENTRY_SIZE) + \
			   (BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM * \
			    BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE))

#define BEACON_RULE_PASS_ON_CHANGE                     BIT(0)
#define BEACON_RULE_PASS_ON_APPEARANCE                 BIT(1)

#define BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN         (37)

struct acx_beacon_filter_ie_table {
	struct acx_header header;

	u8 num_ie;
	u8 table[BEACON_FILTER_TABLE_MAX_SIZE];
	u8 pad[3];
} __packed;

#define SYNCH_FAIL_DEFAULT_THRESHOLD    10     /* number of beacons */
#define NO_BEACON_DEFAULT_TIMEOUT       (500) /* in microseconds */

struct acx_conn_monit_params {
	struct acx_header header;

	u32 synch_fail_thold; /* number of beacons missed */
	u32 bss_lose_timeout; /* number of TU's from synch fail */
} __packed;

enum {
	SG_ENABLE = 0,
	SG_DISABLE,
	SG_SENSE_NO_ACTIVITY,
	SG_SENSE_ACTIVE
};

struct acx_bt_wlan_coex {
	struct acx_header header;

	/*
	 * 0 -> PTA enabled
	 * 1 -> PTA disabled
	 * 2 -> sense no active mode, i.e.
	 *      an interrupt is sent upon
	 *      BT activity.
	 * 3 -> PTA is switched on in response
	 *      to the interrupt sending.
	 */
	u8 enable;
	u8 pad[3];
} __packed;

#define PTA_ANTENNA_TYPE_DEF		  (0)
#define PTA_BT_HP_MAXTIME_DEF		  (2000)
#define PTA_WLAN_HP_MAX_TIME_DEF	  (5000)
#define PTA_SENSE_DISABLE_TIMER_DEF	  (1350)
#define PTA_PROTECTIVE_RX_TIME_DEF	  (1500)
#define PTA_PROTECTIVE_TX_TIME_DEF	  (1500)
#define PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF (3000)
#define PTA_SIGNALING_TYPE_DEF		  (1)
#define PTA_AFH_LEVERAGE_ON_DEF		  (0)
#define PTA_NUMBER_QUIET_CYCLE_DEF	  (0)
#define PTA_MAX_NUM_CTS_DEF		  (3)
#define PTA_NUMBER_OF_WLAN_PACKETS_DEF	  (2)
#define PTA_NUMBER_OF_BT_PACKETS_DEF	  (2)
#define PTA_PROTECTIVE_RX_TIME_FAST_DEF	  (1500)
#define PTA_PROTECTIVE_TX_TIME_FAST_DEF	  (3000)
#define PTA_CYCLE_TIME_FAST_DEF		  (8700)
#define PTA_RX_FOR_AVALANCHE_DEF	  (5)
#define PTA_ELP_HP_DEF			  (0)
#define PTA_ANTI_STARVE_PERIOD_DEF	  (500)
#define PTA_ANTI_STARVE_NUM_CYCLE_DEF	  (4)
#define PTA_ALLOW_PA_SD_DEF		  (1)
#define PTA_TIME_BEFORE_BEACON_DEF	  (6300)
#define PTA_HPDM_MAX_TIME_DEF		  (1600)
#define PTA_TIME_OUT_NEXT_WLAN_DEF	  (2550)
#define PTA_AUTO_MODE_NO_CTS_DEF	  (0)
#define PTA_BT_HP_RESPECTED_DEF		  (3)
#define PTA_WLAN_RX_MIN_RATE_DEF	  (24)
#define PTA_ACK_MODE_DEF		  (1)

struct acx_bt_wlan_coex_param {
	struct acx_header header;

	/*
	 * The minimum rate of a received WLAN packet in the STA,
	 * during protective mode, of which a new BT-HP request
	 * during this Rx will always be respected and gain the antenna.
	 */
	u32 min_rate;

	/* Max time the BT HP will be respected. */
	u16 bt_hp_max_time;

	/* Max time the WLAN HP will be respected. */
	u16 wlan_hp_max_time;

	/*
	 * The time between the last BT activity
	 * and the moment when the sense mode returns
	 * to SENSE_INACTIVE.
	 */
	u16 sense_disable_timer;

	/* Time before the next BT HP instance */
	u16 rx_time_bt_hp;
	u16 tx_time_bt_hp;

	/* range: 10-20000    default: 1500 */
	u16 rx_time_bt_hp_fast;
	u16 tx_time_bt_hp_fast;

	/* range: 2000-65535  default: 8700 */
	u16 wlan_cycle_fast;

	/* range: 0 - 15000 (Msec) default: 1000 */
	u16 bt_anti_starvation_period;

	/* range 400-10000(Usec) default: 3000 */
	u16 next_bt_lp_packet;

	/* Deafult: worst case for BT DH5 traffic */
	u16 wake_up_beacon;

	/* range: 0-50000(Usec) default: 1050 */
	u16 hp_dm_max_guard_time;

	/*
	 * This is to prevent both BT & WLAN antenna
	 * starvation.
	 * Range: 100-50000(Usec) default:2550
	 */
	u16 next_wlan_packet;

	/* 0 -> shared antenna */
	u8 antenna_type;

	/*
	 * 0 -> TI legacy
	 * 1 -> Palau
	 */
	u8 signal_type;

	/*
	 * BT AFH status
	 * 0 -> no AFH
	 * 1 -> from dedicated GPIO
	 * 2 -> AFH on (from host)
	 */
	u8 afh_leverage_on;

	/*
	 * The number of cycles during which no
	 * TX will be sent after 1 cycle of RX
	 * transaction in protective mode
	 */
	u8 quiet_cycle_num;

	/*
	 * The maximum number of CTSs that will
	 * be sent for receiving RX packet in
	 * protective mode
	 */
	u8 max_cts;

	/*
	 * The number of WLAN packets
	 * transferred in common mode before
	 * switching to BT.
	 */
	u8 wlan_packets_num;

	/*
	 * The number of BT packets
	 * transferred in common mode before
	 * switching to WLAN.
	 */
	u8 bt_packets_num;

	/* range: 1-255  default: 5 */
	u8 missed_rx_avalanche;

	/* range: 0-1    default: 1 */
	u8 wlan_elp_hp;

	/* range: 0 - 15  default: 4 */
	u8 bt_anti_starvation_cycles;

	u8 ack_mode_dual_ant;

	/*
	 * Allow PA_SD assertion/de-assertion
	 * during enabled BT activity.
	 */
	u8 pa_sd_enable;

	/*
	 * Enable/Disable PTA in auto mode:
	 * Support Both Active & P.S modes
	 */
	u8 pta_auto_mode_enable;

	/* range: 0 - 20  default: 1 */
	u8 bt_hp_respected_num;
} __packed;

#define CCA_THRSH_ENABLE_ENERGY_D       0x140A
#define CCA_THRSH_DISABLE_ENERGY_D      0xFFEF

struct acx_energy_detection {
	struct acx_header header;

	/* The RX Clear Channel Assessment threshold in the PHY */
	u16 rx_cca_threshold;
	u8 tx_energy_detection;
	u8 pad;
} __packed;

#define BCN_RX_TIMEOUT_DEF_VALUE        10000
#define BROADCAST_RX_TIMEOUT_DEF_VALUE  20000
#define RX_BROADCAST_IN_PS_DEF_VALUE    1
#define CONSECUTIVE_PS_POLL_FAILURE_DEF 4

struct acx_beacon_broadcast {
	struct acx_header header;

	u16 beacon_rx_timeout;
	u16 broadcast_timeout;

	/* Enables receiving of broadcast packets in PS mode */
	u8 rx_broadcast_in_ps;

	/* Consecutive PS Poll failures before updating the host */
	u8 ps_poll_threshold;
	u8 pad[2];
} __packed;

struct acx_event_mask {
	struct acx_header header;

	u32 event_mask;
	u32 high_event_mask; /* Unused */
} __packed;

#define CFG_RX_FCS		BIT(2)
#define CFG_RX_ALL_GOOD		BIT(3)
#define CFG_UNI_FILTER_EN	BIT(4)
#define CFG_BSSID_FILTER_EN	BIT(5)
#define CFG_MC_FILTER_EN	BIT(6)
#define CFG_MC_ADDR0_EN		BIT(7)
#define CFG_MC_ADDR1_EN		BIT(8)
#define CFG_BC_REJECT_EN	BIT(9)
#define CFG_SSID_FILTER_EN	BIT(10)
#define CFG_RX_INT_FCS_ERROR	BIT(11)
#define CFG_RX_INT_ENCRYPTED	BIT(12)
#define CFG_RX_WR_RX_STATUS	BIT(13)
#define CFG_RX_FILTER_NULTI	BIT(14)
#define CFG_RX_RESERVE		BIT(15)
#define CFG_RX_TIMESTAMP_TSF	BIT(16)

#define CFG_RX_RSV_EN		BIT(0)
#define CFG_RX_RCTS_ACK		BIT(1)
#define CFG_RX_PRSP_EN		BIT(2)
#define CFG_RX_PREQ_EN		BIT(3)
#define CFG_RX_MGMT_EN		BIT(4)
#define CFG_RX_FCS_ERROR	BIT(5)
#define CFG_RX_DATA_EN		BIT(6)
#define CFG_RX_CTL_EN		BIT(7)
#define CFG_RX_CF_EN		BIT(8)
#define CFG_RX_BCN_EN		BIT(9)
#define CFG_RX_AUTH_EN		BIT(10)
#define CFG_RX_ASSOC_EN		BIT(11)

#define SCAN_PASSIVE		BIT(0)
#define SCAN_5GHZ_BAND		BIT(1)
#define SCAN_TRIGGERED		BIT(2)
#define SCAN_PRIORITY_HIGH	BIT(3)

struct acx_fw_gen_frame_rates {
	struct acx_header header;

	u8 tx_ctrl_frame_rate; /* RATE_* */
	u8 tx_ctrl_frame_mod; /* CCK_* or PBCC_* */
	u8 tx_mgt_frame_rate;
	u8 tx_mgt_frame_mod;
} __packed;

/* STA MAC */
struct acx_dot11_station_id {
	struct acx_header header;

	u8 mac[ETH_ALEN];
	u8 pad[2];
} __packed;

struct acx_feature_config {
	struct acx_header header;

	u32 options;
	u32 data_flow_options;
} __packed;

struct acx_current_tx_power {
	struct acx_header header;

	u8  current_tx_power;
	u8  padding[3];
} __packed;

struct acx_dot11_default_key {
	struct acx_header header;

	u8 id;
	u8 pad[3];
} __packed;

struct acx_tsf_info {
	struct acx_header header;

	u32 current_tsf_msb;
	u32 current_tsf_lsb;
	u32 last_TBTT_msb;
	u32 last_TBTT_lsb;
	u8 last_dtim_count;
	u8 pad[3];
} __packed;

enum acx_wake_up_event {
	WAKE_UP_EVENT_BEACON_BITMAP	= 0x01, /* Wake on every Beacon*/
	WAKE_UP_EVENT_DTIM_BITMAP	= 0x02,	/* Wake on every DTIM*/
	WAKE_UP_EVENT_N_DTIM_BITMAP	= 0x04, /* Wake on every Nth DTIM */
	WAKE_UP_EVENT_N_BEACONS_BITMAP	= 0x08, /* Wake on every Nth Beacon */
	WAKE_UP_EVENT_BITS_MASK		= 0x0F
};

struct acx_wake_up_condition {
	struct acx_header header;

	u8 wake_up_event; /* Only one bit can be set */
	u8 listen_interval;
	u8 pad[2];
} __packed;

struct acx_aid {
	struct acx_header header;

	/*
	 * To be set when associated with an AP.
	 */
	u16 aid;
	u8 pad[2];
} __packed;

enum acx_preamble_type {
	ACX_PREAMBLE_LONG = 0,
	ACX_PREAMBLE_SHORT = 1
};

struct acx_preamble {
	struct acx_header header;

	/*
	 * When set, the WiLink transmits the frames with a short preamble and
	 * when cleared, the WiLink transmits the frames with a long preamble.
	 */
	u8 preamble;
	u8 padding[3];
} __packed;

enum acx_ctsprotect_type {
	CTSPROTECT_DISABLE = 0,
	CTSPROTECT_ENABLE = 1
};

struct acx_ctsprotect {
	struct acx_header header;
	u8 ctsprotect;
	u8 padding[3];
} __packed;

struct acx_tx_statistics {
	u32 internal_desc_overflow;
}  __packed;

struct acx_rx_statistics {
	u32 out_of_mem;
	u32 hdr_overflow;
	u32 hw_stuck;
	u32 dropped;
	u32 fcs_err;
	u32 xfr_hint_trig;
	u32 path_reset;
	u32 reset_counter;
} __packed;

struct acx_dma_statistics {
	u32 rx_requested;
	u32 rx_errors;
	u32 tx_requested;
	u32 tx_errors;
}  __packed;

struct acx_isr_statistics {
	/* host command complete */
	u32 cmd_cmplt;

	/* fiqisr() */
	u32 fiqs;

	/* (INT_STS_ND & INT_TRIG_RX_HEADER) */
	u32 rx_headers;

	/* (INT_STS_ND & INT_TRIG_RX_CMPLT) */
	u32 rx_completes;

	/* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */
	u32 rx_mem_overflow;

	/* (INT_STS_ND & INT_TRIG_S_RX_RDY) */
	u32 rx_rdys;

	/* irqisr() */
	u32 irqs;

	/* (INT_STS_ND & INT_TRIG_TX_PROC) */
	u32 tx_procs;

	/* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */
	u32 decrypt_done;

	/* (INT_STS_ND & INT_TRIG_DMA0) */
	u32 dma0_done;

	/* (INT_STS_ND & INT_TRIG_DMA1) */
	u32 dma1_done;

	/* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */
	u32 tx_exch_complete;

	/* (INT_STS_ND & INT_TRIG_COMMAND) */
	u32 commands;

	/* (INT_STS_ND & INT_TRIG_RX_PROC) */
	u32 rx_procs;

	/* (INT_STS_ND & INT_TRIG_PM_802) */
	u32 hw_pm_mode_changes;

	/* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */
	u32 host_acknowledges;

	/* (INT_STS_ND & INT_TRIG_PM_PCI) */
	u32 pci_pm;

	/* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */
	u32 wakeups;

	/* (INT_STS_ND & INT_TRIG_LOW_RSSI) */
	u32 low_rssi;
} __packed;

struct acx_wep_statistics {
	/* WEP address keys configured */
	u32 addr_key_count;

	/* default keys configured */
	u32 default_key_count;

	u32 reserved;

	/* number of times that WEP key not found on lookup */
	u32 key_not_found;

	/* number of times that WEP key decryption failed */
	u32 decrypt_fail;

	/* WEP packets decrypted */
	u32 packets;

	/* WEP decrypt interrupts */
	u32 interrupt;
} __packed;

#define ACX_MISSED_BEACONS_SPREAD 10

struct acx_pwr_statistics {
	/* the amount of enters into power save mode (both PD & ELP) */
	u32 ps_enter;

	/* the amount of enters into ELP mode */
	u32 elp_enter;

	/* the amount of missing beacon interrupts to the host */
	u32 missing_bcns;

	/* the amount of wake on host-access times */
	u32 wake_on_host;

	/* the amount of wake on timer-expire */
	u32 wake_on_timer_exp;

	/* the number of packets that were transmitted with PS bit set */
	u32 tx_with_ps;

	/* the number of packets that were transmitted with PS bit clear */
	u32 tx_without_ps;

	/* the number of received beacons */
	u32 rcvd_beacons;

	/* the number of entering into PowerOn (power save off) */
	u32 power_save_off;

	/* the number of entries into power save mode */
	u16 enable_ps;

	/*
	 * the number of exits from power save, not including failed PS
	 * transitions
	 */
	u16 disable_ps;

	/*
	 * the number of times the TSF counter was adjusted because
	 * of drift
	 */
	u32 fix_tsf_ps;

	/* Gives statistics about the spread continuous missed beacons.
	 * The 16 LSB are dedicated for the PS mode.
	 * The 16 MSB are dedicated for the PS mode.
	 * cont_miss_bcns_spread[0] - single missed beacon.
	 * cont_miss_bcns_spread[1] - two continuous missed beacons.
	 * cont_miss_bcns_spread[2] - three continuous missed beacons.
	 * ...
	 * cont_miss_bcns_spread[9] - ten and more continuous missed beacons.
	*/
	u32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD];

	/* the number of beacons in awake mode */
	u32 rcvd_awake_beacons;
} __packed;

struct acx_mic_statistics {
	u32 rx_pkts;
	u32 calc_failure;
} __packed;

struct acx_aes_statistics {
	u32 encrypt_fail;
	u32 decrypt_fail;
	u32 encrypt_packets;
	u32 decrypt_packets;
	u32 encrypt_interrupt;
	u32 decrypt_interrupt;
} __packed;

struct acx_event_statistics {
	u32 heart_beat;
	u32 calibration;
	u32 rx_mismatch;
	u32 rx_mem_empty;
	u32 rx_pool;
	u32 oom_late;
	u32 phy_transmit_error;
	u32 tx_stuck;
} __packed;

struct acx_ps_statistics {
	u32 pspoll_timeouts;
	u32 upsd_timeouts;
	u32 upsd_max_sptime;
	u32 upsd_max_apturn;
	u32 pspoll_max_apturn;
	u32 pspoll_utilization;
	u32 upsd_utilization;
} __packed;

struct acx_rxpipe_statistics {
	u32 rx_prep_beacon_drop;
	u32 descr_host_int_trig_rx_data;
	u32 beacon_buffer_thres_host_int_trig_rx_data;
	u32 missed_beacon_host_int_trig_rx_data;
	u32 tx_xfr_host_int_trig_rx_data;
} __packed;

struct acx_statistics {
	struct acx_header header;

	struct acx_tx_statistics tx;
	struct acx_rx_statistics rx;
	struct acx_dma_statistics dma;
	struct acx_isr_statistics isr;
	struct acx_wep_statistics wep;
	struct acx_pwr_statistics pwr;
	struct acx_aes_statistics aes;
	struct acx_mic_statistics mic;
	struct acx_event_statistics event;
	struct acx_ps_statistics ps;
	struct acx_rxpipe_statistics rxpipe;
} __packed;

#define ACX_MAX_RATE_CLASSES       8
#define ACX_RATE_MASK_UNSPECIFIED  0
#define ACX_RATE_RETRY_LIMIT      10

struct acx_rate_class {
	u32 enabled_rates;
	u8 short_retry_limit;
	u8 long_retry_limit;
	u8 aflags;
	u8 reserved;
} __packed;

struct acx_rate_policy {
	struct acx_header header;

	u32 rate_class_cnt;
	struct acx_rate_class rate_class[ACX_MAX_RATE_CLASSES];
} __packed;

struct wl1251_acx_memory {
	__le16 num_stations; /* number of STAs to be supported. */
	u16 reserved_1;

	/*
	 * Nmber of memory buffers for the RX mem pool.
	 * The actual number may be less if there are
	 * not enough blocks left for the minimum num
	 * of TX ones.
	 */
	u8 rx_mem_block_num;
	u8 reserved_2;
	u8 num_tx_queues; /* From 1 to 16 */
	u8 host_if_options; /* HOST_IF* */
	u8 tx_min_mem_block_num;
	u8 num_ssid_profiles;
	__le16 debug_buffer_size;
} __packed;


#define ACX_RX_DESC_MIN                1
#define ACX_RX_DESC_MAX                127
#define ACX_RX_DESC_DEF                32
struct wl1251_acx_rx_queue_config {
	u8 num_descs;
	u8 pad;
	u8 type;
	u8 priority;
	__le32 dma_address;
} __packed;

#define ACX_TX_DESC_MIN                1
#define ACX_TX_DESC_MAX                127
#define ACX_TX_DESC_DEF                16
struct wl1251_acx_tx_queue_config {
    u8 num_descs;
    u8 pad[2];
    u8 attributes;
} __packed;

#define MAX_TX_QUEUE_CONFIGS 5
#define MAX_TX_QUEUES 4
struct wl1251_acx_config_memory {
	struct acx_header header;

	struct wl1251_acx_memory mem_config;
	struct wl1251_acx_rx_queue_config rx_queue_config;
	struct wl1251_acx_tx_queue_config tx_queue_config[MAX_TX_QUEUE_CONFIGS];
} __packed;

struct wl1251_acx_mem_map {
	struct acx_header header;

	void *code_start;
	void *code_end;

	void *wep_defkey_start;
	void *wep_defkey_end;

	void *sta_table_start;
	void *sta_table_end;

	void *packet_template_start;
	void *packet_template_end;

	void *queue_memory_start;
	void *queue_memory_end;

	void *packet_memory_pool_start;
	void *packet_memory_pool_end;

	void *debug_buffer1_start;
	void *debug_buffer1_end;

	void *debug_buffer2_start;
	void *debug_buffer2_end;

	/* Number of blocks FW allocated for TX packets */
	u32 num_tx_mem_blocks;

	/* Number of blocks FW allocated for RX packets */
	u32 num_rx_mem_blocks;
} __packed;


struct wl1251_acx_wr_tbtt_and_dtim {

	struct acx_header header;

	/* Time in TUs between two consecutive beacons */
	u16 tbtt;

	/*
	 * DTIM period
	 * For BSS: Number of TBTTs in a DTIM period (range: 1-10)
	 * For IBSS: value shall be set to 1
	*/
	u8  dtim;
	u8  padding;
} __packed;

struct wl1251_acx_ac_cfg {
	struct acx_header header;

	/*
	 * Access Category - The TX queue's access category
	 * (refer to AccessCategory_enum)
	 */
	u8 ac;

	/*
	 * The contention window minimum size (in slots) for
	 * the access class.
	 */
	u8 cw_min;

	/*
	 * The contention window maximum size (in slots) for
	 * the access class.
	 */
	u16 cw_max;

	/* The AIF value (in slots) for the access class. */
	u8 aifsn;

	u8 reserved;

	/* The TX Op Limit (in microseconds) for the access class. */
	u16 txop_limit;
} __packed;


enum wl1251_acx_channel_type {
	CHANNEL_TYPE_DCF	= 0,
	CHANNEL_TYPE_EDCF	= 1,
	CHANNEL_TYPE_HCCA	= 2,
};

enum wl1251_acx_ps_scheme {
	/* regular ps: simple sending of packets */
	WL1251_ACX_PS_SCHEME_LEGACY	= 0,

	/* sending a packet triggers a unscheduled apsd downstream */
	WL1251_ACX_PS_SCHEME_UPSD_TRIGGER	= 1,

	/* a pspoll packet will be sent before every data packet */
	WL1251_ACX_PS_SCHEME_LEGACY_PSPOLL	= 2,

	/* scheduled apsd mode */
	WL1251_ACX_PS_SCHEME_SAPSD		= 3,
};

enum wl1251_acx_ack_policy {
	WL1251_ACX_ACK_POLICY_LEGACY	= 0,
	WL1251_ACX_ACK_POLICY_NO_ACK	= 1,
	WL1251_ACX_ACK_POLICY_BLOCK	= 2,
};

struct wl1251_acx_tid_cfg {
	struct acx_header header;

	/* tx queue id number (0-7) */
	u8 queue;

	/* channel access type for the queue, enum wl1251_acx_channel_type */
	u8 type;

	/* EDCA: ac index (0-3), HCCA: traffic stream id (8-15) */
	u8 tsid;

	/* ps scheme of the specified queue, enum wl1251_acx_ps_scheme */
	u8 ps_scheme;

	/* the tx queue ack policy, enum wl1251_acx_ack_policy */
	u8 ack_policy;

	u8 padding[3];

	/* not supported */
	u32 apsdconf[2];
} __packed;

/*************************************************************************

    Host Interrupt Register (WiLink -> Host)

**************************************************************************/

/* RX packet is ready in Xfer buffer #0 */
#define WL1251_ACX_INTR_RX0_DATA      BIT(0)

/* TX result(s) are in the TX complete buffer */
#define WL1251_ACX_INTR_TX_RESULT	BIT(1)

/* OBSOLETE */
#define WL1251_ACX_INTR_TX_XFR		BIT(2)

/* RX packet is ready in Xfer buffer #1 */
#define WL1251_ACX_INTR_RX1_DATA	BIT(3)

/* Event was entered to Event MBOX #A */
#define WL1251_ACX_INTR_EVENT_A		BIT(4)

/* Event was entered to Event MBOX #B */
#define WL1251_ACX_INTR_EVENT_B		BIT(5)

/* OBSOLETE */
#define WL1251_ACX_INTR_WAKE_ON_HOST	BIT(6)

/* Trace meassge on MBOX #A */
#define WL1251_ACX_INTR_TRACE_A		BIT(7)

/* Trace meassge on MBOX #B */
#define WL1251_ACX_INTR_TRACE_B		BIT(8)

/* Command processing completion */
#define WL1251_ACX_INTR_CMD_COMPLETE	BIT(9)

/* Init sequence is done */
#define WL1251_ACX_INTR_INIT_COMPLETE	BIT(14)

#define WL1251_ACX_INTR_ALL           0xFFFFFFFF

enum {
	ACX_WAKE_UP_CONDITIONS      = 0x0002,
	ACX_MEM_CFG                 = 0x0003,
	ACX_SLOT                    = 0x0004,
	ACX_QUEUE_HEAD              = 0x0005, /* for MASTER mode only */
	ACX_AC_CFG                  = 0x0007,
	ACX_MEM_MAP                 = 0x0008,
	ACX_AID                     = 0x000A,
	ACX_RADIO_PARAM             = 0x000B, /* Not used */
	ACX_CFG                     = 0x000C, /* Not used */
	ACX_FW_REV                  = 0x000D,
	ACX_MEDIUM_USAGE            = 0x000F,
	ACX_RX_CFG                  = 0x0010,
	ACX_TX_QUEUE_CFG            = 0x0011, /* FIXME: only used by wl1251 */
	ACX_BSS_IN_PS               = 0x0012, /* for AP only */
	ACX_STATISTICS              = 0x0013, /* Debug API */
	ACX_FEATURE_CFG             = 0x0015,
	ACX_MISC_CFG                = 0x0017, /* Not used */
	ACX_TID_CFG                 = 0x001A,
	ACX_BEACON_FILTER_OPT       = 0x001F,
	ACX_LOW_RSSI                = 0x0020,
	ACX_NOISE_HIST              = 0x0021,
	ACX_HDK_VERSION             = 0x0022, /* ??? */
	ACX_PD_THRESHOLD            = 0x0023,
	ACX_DATA_PATH_PARAMS        = 0x0024, /* WO */
	ACX_DATA_PATH_RESP_PARAMS   = 0x0024, /* RO */
	ACX_CCA_THRESHOLD           = 0x0025,
	ACX_EVENT_MBOX_MASK         = 0x0026,
#ifdef FW_RUNNING_AS_AP
	ACX_DTIM_PERIOD             = 0x0027, /* for AP only */
#else
	ACX_WR_TBTT_AND_DTIM        = 0x0027, /* STA only */
#endif
	ACX_ACI_OPTION_CFG          = 0x0029, /* OBSOLETE (for 1251)*/
	ACX_GPIO_CFG                = 0x002A, /* Not used */
	ACX_GPIO_SET                = 0x002B, /* Not used */
	ACX_PM_CFG                  = 0x002C, /* To Be Documented */
	ACX_CONN_MONIT_PARAMS       = 0x002D,
	ACX_AVERAGE_RSSI            = 0x002E, /* Not used */
	ACX_CONS_TX_FAILURE         = 0x002F,
	ACX_BCN_DTIM_OPTIONS        = 0x0031,
	ACX_SG_ENABLE               = 0x0032,
	ACX_SG_CFG                  = 0x0033,
	ACX_ANTENNA_DIVERSITY_CFG   = 0x0035, /* To Be Documented */
	ACX_LOW_SNR		    = 0x0037, /* To Be Documented */
	ACX_BEACON_FILTER_TABLE     = 0x0038,
	ACX_ARP_IP_FILTER           = 0x0039,
	ACX_ROAMING_STATISTICS_TBL  = 0x003B,
	ACX_RATE_POLICY             = 0x003D,
	ACX_CTS_PROTECTION          = 0x003E,
	ACX_SLEEP_AUTH              = 0x003F,
	ACX_PREAMBLE_TYPE	    = 0x0040,
	ACX_ERROR_CNT               = 0x0041,
	ACX_FW_GEN_FRAME_RATES      = 0x0042,
	ACX_IBSS_FILTER		    = 0x0044,
	ACX_SERVICE_PERIOD_TIMEOUT  = 0x0045,
	ACX_TSF_INFO                = 0x0046,
	ACX_CONFIG_PS_WMM           = 0x0049,
	ACX_ENABLE_RX_DATA_FILTER   = 0x004A,
	ACX_SET_RX_DATA_FILTER      = 0x004B,
	ACX_GET_DATA_FILTER_STATISTICS = 0x004C,
	ACX_POWER_LEVEL_TABLE       = 0x004D,
	ACX_BET_ENABLE              = 0x0050,
	DOT11_STATION_ID            = 0x1001,
	DOT11_RX_MSDU_LIFE_TIME     = 0x1004,
	DOT11_CUR_TX_PWR            = 0x100D,
	DOT11_DEFAULT_KEY           = 0x1010,
	DOT11_RX_DOT11_MODE         = 0x1012,
	DOT11_RTS_THRESHOLD         = 0x1013,
	DOT11_GROUP_ADDRESS_TBL     = 0x1014,

	MAX_DOT11_IE = DOT11_GROUP_ADDRESS_TBL,

	MAX_IE = 0xFFFF
};


int wl1251_acx_frame_rates(struct wl1251 *wl, u8 ctrl_rate, u8 ctrl_mod,
			   u8 mgt_rate, u8 mgt_mod);
int wl1251_acx_station_id(struct wl1251 *wl);
int wl1251_acx_default_key(struct wl1251 *wl, u8 key_id);
int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event,
				  u8 listen_interval);
int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth);
int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len);
int wl1251_acx_tx_power(struct wl1251 *wl, int power);
int wl1251_acx_feature_cfg(struct wl1251 *wl);
int wl1251_acx_mem_map(struct wl1251 *wl,
		       struct acx_header *mem_map, size_t len);
int wl1251_acx_data_path_params(struct wl1251 *wl,
				struct acx_data_path_params_resp *data_path);
int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time);
int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter);
int wl1251_acx_pd_threshold(struct wl1251 *wl);
int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time);
int wl1251_acx_group_address_tbl(struct wl1251 *wl);
int wl1251_acx_service_period_timeout(struct wl1251 *wl);
int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold);
int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter);
int wl1251_acx_beacon_filter_table(struct wl1251 *wl);
int wl1251_acx_conn_monit_params(struct wl1251 *wl);
int wl1251_acx_sg_enable(struct wl1251 *wl);
int wl1251_acx_sg_cfg(struct wl1251 *wl);
int wl1251_acx_cca_threshold(struct wl1251 *wl);
int wl1251_acx_bcn_dtim_options(struct wl1251 *wl);
int wl1251_acx_aid(struct wl1251 *wl, u16 aid);
int wl1251_acx_event_mbox_mask(struct wl1251 *wl, u32 event_mask);
int wl1251_acx_set_preamble(struct wl1251 *wl, enum acx_preamble_type preamble);
int wl1251_acx_cts_protect(struct wl1251 *wl,
			    enum acx_ctsprotect_type ctsprotect);
int wl1251_acx_statistics(struct wl1251 *wl, struct acx_statistics *stats);
int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime);
int wl1251_acx_rate_policies(struct wl1251 *wl);
int wl1251_acx_mem_cfg(struct wl1251 *wl);
int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim);
int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
		      u8 aifs, u16 txop);
int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue,
		       enum wl1251_acx_channel_type type,
		       u8 tsid, enum wl1251_acx_ps_scheme ps_scheme,
		       enum wl1251_acx_ack_policy ack_policy);

#endif /* __WL1251_ACX_H__ */