drivers/net/wireless/ath/ar9170/hw.h - linux - Git at Google

 /*
  * Atheros AR9170 driver
  *
  * Hardware-specific definitions
  *
  * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * 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; see the file COPYING.  If not, see
  * http://www.gnu.org/licenses/.
  *
  * This file incorporates work covered by the following copyright and
  * permission notice:
  *    Copyright (c) 2007-2008 Atheros Communications, Inc.
  *
  *    Permission to use, copy, modify, and/or distribute this software for any
  *    purpose with or without fee is hereby granted, provided that the above
  *    copyright notice and this permission notice appear in all copies.
  *
  *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #ifndef __AR9170_HW_H
 #define __AR9170_HW_H

 #define AR9170_MAX_CMD_LEN	64

 enum ar9170_cmd {
 	AR9170_CMD_RREG		= 0x00,
 	AR9170_CMD_WREG		= 0x01,
 	AR9170_CMD_RMEM		= 0x02,
 	AR9170_CMD_WMEM		= 0x03,
 	AR9170_CMD_BITAND	= 0x04,
 	AR9170_CMD_BITOR	= 0x05,
 	AR9170_CMD_EKEY		= 0x28,
 	AR9170_CMD_DKEY		= 0x29,
 	AR9170_CMD_FREQUENCY	= 0x30,
 	AR9170_CMD_RF_INIT	= 0x31,
 	AR9170_CMD_SYNTH	= 0x32,
 	AR9170_CMD_FREQ_START	= 0x33,
 	AR9170_CMD_ECHO		= 0x80,
 	AR9170_CMD_TALLY	= 0x81,
 	AR9170_CMD_TALLY_APD	= 0x82,
 	AR9170_CMD_CONFIG	= 0x83,
 	AR9170_CMD_RESET	= 0x90,
 	AR9170_CMD_DKRESET	= 0x91,
 	AR9170_CMD_DKTX_STATUS	= 0x92,
 	AR9170_CMD_FDC		= 0xA0,
 	AR9170_CMD_WREEPROM	= 0xB0,
 	AR9170_CMD_WFLASH	= 0xB0,
 	AR9170_CMD_FLASH_ERASE	= 0xB1,
 	AR9170_CMD_FLASH_PROG	= 0xB2,
 	AR9170_CMD_FLASH_CHKSUM	= 0xB3,
 	AR9170_CMD_FLASH_READ	= 0xB4,
 	AR9170_CMD_FW_DL_INIT	= 0xB5,
 	AR9170_CMD_MEM_WREEPROM	= 0xBB,
 };

 /* endpoints */
 #define AR9170_EP_TX				1
 #define AR9170_EP_RX				2
 #define AR9170_EP_IRQ				3
 #define AR9170_EP_CMD				4

 #define AR9170_EEPROM_START			0x1600

 #define AR9170_GPIO_REG_BASE			0x1d0100
 #define AR9170_GPIO_REG_PORT_TYPE		AR9170_GPIO_REG_BASE
 #define AR9170_GPIO_REG_DATA			(AR9170_GPIO_REG_BASE + 4)
 #define AR9170_NUM_LEDS				2


 #define AR9170_USB_REG_BASE			0x1e1000
 #define AR9170_USB_REG_DMA_CTL			(AR9170_USB_REG_BASE + 0x108)
 #define		AR9170_DMA_CTL_ENABLE_TO_DEVICE		0x1
 #define		AR9170_DMA_CTL_ENABLE_FROM_DEVICE	0x2
 #define		AR9170_DMA_CTL_HIGH_SPEED		0x4
 #define		AR9170_DMA_CTL_PACKET_MODE		0x8

 #define AR9170_USB_REG_MAX_AGG_UPLOAD		(AR9170_USB_REG_BASE + 0x110)
 #define AR9170_USB_REG_UPLOAD_TIME_CTL		(AR9170_USB_REG_BASE + 0x114)


 #define AR9170_MAC_REG_BASE			0x1c3000

 #define AR9170_MAC_REG_TSF_L			(AR9170_MAC_REG_BASE + 0x514)
 #define AR9170_MAC_REG_TSF_H			(AR9170_MAC_REG_BASE + 0x518)

 #define AR9170_MAC_REG_ATIM_WINDOW		(AR9170_MAC_REG_BASE + 0x51C)
 #define AR9170_MAC_REG_BCN_PERIOD		(AR9170_MAC_REG_BASE + 0x520)
 #define AR9170_MAC_REG_PRETBTT			(AR9170_MAC_REG_BASE + 0x524)

 #define AR9170_MAC_REG_MAC_ADDR_L		(AR9170_MAC_REG_BASE + 0x610)
 #define AR9170_MAC_REG_MAC_ADDR_H		(AR9170_MAC_REG_BASE + 0x614)
 #define AR9170_MAC_REG_BSSID_L			(AR9170_MAC_REG_BASE + 0x618)
 #define AR9170_MAC_REG_BSSID_H			(AR9170_MAC_REG_BASE + 0x61c)

 #define AR9170_MAC_REG_GROUP_HASH_TBL_L		(AR9170_MAC_REG_BASE + 0x624)
 #define AR9170_MAC_REG_GROUP_HASH_TBL_H		(AR9170_MAC_REG_BASE + 0x628)

 #define AR9170_MAC_REG_RX_TIMEOUT		(AR9170_MAC_REG_BASE + 0x62C)

 #define AR9170_MAC_REG_BASIC_RATE		(AR9170_MAC_REG_BASE + 0x630)
 #define AR9170_MAC_REG_MANDATORY_RATE		(AR9170_MAC_REG_BASE + 0x634)
 #define AR9170_MAC_REG_RTS_CTS_RATE		(AR9170_MAC_REG_BASE + 0x638)
 #define AR9170_MAC_REG_BACKOFF_PROTECT		(AR9170_MAC_REG_BASE + 0x63c)
 #define AR9170_MAC_REG_RX_THRESHOLD		(AR9170_MAC_REG_BASE + 0x640)
 #define AR9170_MAC_REG_RX_PE_DELAY		(AR9170_MAC_REG_BASE + 0x64C)

 #define AR9170_MAC_REG_DYNAMIC_SIFS_ACK		(AR9170_MAC_REG_BASE + 0x658)
 #define AR9170_MAC_REG_SNIFFER			(AR9170_MAC_REG_BASE + 0x674)
 #define		AR9170_MAC_REG_SNIFFER_ENABLE_PROMISC	BIT(0)
 #define		AR9170_MAC_REG_SNIFFER_DEFAULTS		0x02000000
 #define AR9170_MAC_REG_ENCRYPTION		(AR9170_MAC_REG_BASE + 0x678)
 #define		AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE	BIT(3)
 #define		AR9170_MAC_REG_ENCRYPTION_DEFAULTS	0x70

 #define AR9170_MAC_REG_MISC_680			(AR9170_MAC_REG_BASE + 0x680)
 #define AR9170_MAC_REG_TX_UNDERRUN		(AR9170_MAC_REG_BASE + 0x688)

 #define AR9170_MAC_REG_FRAMETYPE_FILTER		(AR9170_MAC_REG_BASE + 0x68c)
 #define		AR9170_MAC_REG_FTF_ASSOC_REQ		BIT(0)
 #define		AR9170_MAC_REG_FTF_ASSOC_RESP		BIT(1)
 #define		AR9170_MAC_REG_FTF_REASSOC_REQ		BIT(2)
 #define		AR9170_MAC_REG_FTF_REASSOC_RESP		BIT(3)
 #define		AR9170_MAC_REG_FTF_PRB_REQ		BIT(4)
 #define		AR9170_MAC_REG_FTF_PRB_RESP		BIT(5)
 #define		AR9170_MAC_REG_FTF_BIT6			BIT(6)
 #define		AR9170_MAC_REG_FTF_BIT7			BIT(7)
 #define		AR9170_MAC_REG_FTF_BEACON		BIT(8)
 #define		AR9170_MAC_REG_FTF_ATIM			BIT(9)
 #define		AR9170_MAC_REG_FTF_DEASSOC		BIT(10)
 #define		AR9170_MAC_REG_FTF_AUTH			BIT(11)
 #define		AR9170_MAC_REG_FTF_DEAUTH		BIT(12)
 #define		AR9170_MAC_REG_FTF_BIT13		BIT(13)
 #define		AR9170_MAC_REG_FTF_BIT14		BIT(14)
 #define		AR9170_MAC_REG_FTF_BIT15		BIT(15)
 #define		AR9170_MAC_REG_FTF_BAR			BIT(24)
 #define		AR9170_MAC_REG_FTF_BIT25		BIT(25)
 #define		AR9170_MAC_REG_FTF_PSPOLL		BIT(26)
 #define		AR9170_MAC_REG_FTF_RTS			BIT(27)
 #define		AR9170_MAC_REG_FTF_CTS			BIT(28)
 #define		AR9170_MAC_REG_FTF_ACK			BIT(29)
 #define		AR9170_MAC_REG_FTF_CFE			BIT(30)
 #define		AR9170_MAC_REG_FTF_CFE_ACK		BIT(31)
 #define		AR9170_MAC_REG_FTF_DEFAULTS		0x0500ffff
 #define		AR9170_MAC_REG_FTF_MONITOR		0xfd00ffff

 #define AR9170_MAC_REG_RX_TOTAL			(AR9170_MAC_REG_BASE + 0x6A0)
 #define AR9170_MAC_REG_RX_CRC32			(AR9170_MAC_REG_BASE + 0x6A4)
 #define AR9170_MAC_REG_RX_CRC16			(AR9170_MAC_REG_BASE + 0x6A8)
 #define AR9170_MAC_REG_RX_ERR_DECRYPTION_UNI	(AR9170_MAC_REG_BASE + 0x6AC)
 #define AR9170_MAC_REG_RX_OVERRUN		(AR9170_MAC_REG_BASE + 0x6B0)
 #define AR9170_MAC_REG_RX_ERR_DECRYPTION_MUL	(AR9170_MAC_REG_BASE + 0x6BC)
 #define AR9170_MAC_REG_TX_RETRY			(AR9170_MAC_REG_BASE + 0x6CC)
 #define AR9170_MAC_REG_TX_TOTAL			(AR9170_MAC_REG_BASE + 0x6F4)


 #define AR9170_MAC_REG_ACK_EXTENSION		(AR9170_MAC_REG_BASE + 0x690)
 #define AR9170_MAC_REG_EIFS_AND_SIFS		(AR9170_MAC_REG_BASE + 0x698)

 #define AR9170_MAC_REG_SLOT_TIME		(AR9170_MAC_REG_BASE + 0x6F0)

 #define AR9170_MAC_REG_POWERMANAGEMENT		(AR9170_MAC_REG_BASE + 0x700)
 #define		AR9170_MAC_REG_POWERMGT_IBSS		0xe0
 #define		AR9170_MAC_REG_POWERMGT_AP		0xa1
 #define		AR9170_MAC_REG_POWERMGT_STA		0x2
 #define		AR9170_MAC_REG_POWERMGT_AP_WDS		0x3
 #define		AR9170_MAC_REG_POWERMGT_DEFAULTS	(0xf << 24)

 #define AR9170_MAC_REG_ROLL_CALL_TBL_L		(AR9170_MAC_REG_BASE + 0x704)
 #define AR9170_MAC_REG_ROLL_CALL_TBL_H		(AR9170_MAC_REG_BASE + 0x708)

 #define AR9170_MAC_REG_AC0_CW			(AR9170_MAC_REG_BASE + 0xB00)
 #define AR9170_MAC_REG_AC1_CW			(AR9170_MAC_REG_BASE + 0xB04)
 #define AR9170_MAC_REG_AC2_CW			(AR9170_MAC_REG_BASE + 0xB08)
 #define AR9170_MAC_REG_AC3_CW			(AR9170_MAC_REG_BASE + 0xB0C)
 #define AR9170_MAC_REG_AC4_CW			(AR9170_MAC_REG_BASE + 0xB10)
 #define AR9170_MAC_REG_AC1_AC0_AIFS		(AR9170_MAC_REG_BASE + 0xB14)
 #define AR9170_MAC_REG_AC3_AC2_AIFS		(AR9170_MAC_REG_BASE + 0xB18)

 #define AR9170_MAC_REG_RETRY_MAX		(AR9170_MAC_REG_BASE + 0xB28)

 #define AR9170_MAC_REG_FCS_SELECT		(AR9170_MAC_REG_BASE + 0xBB0)
 #define		AR9170_MAC_FCS_SWFCS		0x1
 #define		AR9170_MAC_FCS_FIFO_PROT	0x4


 #define AR9170_MAC_REG_TXOP_NOT_ENOUGH_IND	(AR9170_MAC_REG_BASE + 0xB30)

 #define AR9170_MAC_REG_AC1_AC0_TXOP		(AR9170_MAC_REG_BASE + 0xB44)
 #define AR9170_MAC_REG_AC3_AC2_TXOP		(AR9170_MAC_REG_BASE + 0xB48)

 #define AR9170_MAC_REG_AMPDU_FACTOR		(AR9170_MAC_REG_BASE + 0xB9C)
 #define AR9170_MAC_REG_AMPDU_DENSITY		(AR9170_MAC_REG_BASE + 0xBA0)

 #define AR9170_MAC_REG_ACK_TABLE		(AR9170_MAC_REG_BASE + 0xC00)
 #define AR9170_MAC_REG_AMPDU_RX_THRESH		(AR9170_MAC_REG_BASE + 0xC50)

 #define AR9170_MAC_REG_TXRX_MPI			(AR9170_MAC_REG_BASE + 0xD7C)
 #define		AR9170_MAC_TXRX_MPI_TX_MPI_MASK	0x0000000f
 #define		AR9170_MAC_TXRX_MPI_TX_TO_MASK	0x0000fff0
 #define		AR9170_MAC_TXRX_MPI_RX_MPI_MASK	0x000f0000
 #define		AR9170_MAC_TXRX_MPI_RX_TO_MASK	0xfff00000

 #define AR9170_MAC_REG_BCN_ADDR			(AR9170_MAC_REG_BASE + 0xD84)
 #define AR9170_MAC_REG_BCN_LENGTH		(AR9170_MAC_REG_BASE + 0xD88)
 #define AR9170_MAC_REG_BCN_PLCP			(AR9170_MAC_REG_BASE + 0xD90)
 #define AR9170_MAC_REG_BCN_CTRL			(AR9170_MAC_REG_BASE + 0xD94)
 #define AR9170_MAC_REG_BCN_HT1			(AR9170_MAC_REG_BASE + 0xDA0)
 #define AR9170_MAC_REG_BCN_HT2			(AR9170_MAC_REG_BASE + 0xDA4)


 #define AR9170_PWR_REG_BASE			0x1D4000

 #define AR9170_PWR_REG_CLOCK_SEL		(AR9170_PWR_REG_BASE + 0x008)
 #define		AR9170_PWR_CLK_AHB_40MHZ	0
 #define		AR9170_PWR_CLK_AHB_20_22MHZ	1
 #define		AR9170_PWR_CLK_AHB_40_44MHZ	2
 #define		AR9170_PWR_CLK_AHB_80_88MHZ	3
 #define		AR9170_PWR_CLK_DAC_160_INV_DLY	0x70


 /* put beacon here in memory */
 #define AR9170_BEACON_BUFFER_ADDRESS		0x117900


 struct ar9170_tx_control {
 	__le16 length;
 	__le16 mac_control;
 	__le32 phy_control;
 	u8 frame_data[0];
 } __packed;

 /* these are either-or */
 #define AR9170_TX_MAC_PROT_RTS			0x0001
 #define AR9170_TX_MAC_PROT_CTS			0x0002

 #define AR9170_TX_MAC_NO_ACK			0x0004
 /* if unset, MAC will only do SIFS space before frame */
 #define AR9170_TX_MAC_BACKOFF			0x0008
 #define AR9170_TX_MAC_BURST			0x0010
 #define AR9170_TX_MAC_AGGR			0x0020

 /* encryption is a two-bit field */
 #define AR9170_TX_MAC_ENCR_NONE			0x0000
 #define AR9170_TX_MAC_ENCR_RC4			0x0040
 #define AR9170_TX_MAC_ENCR_CENC			0x0080
 #define AR9170_TX_MAC_ENCR_AES			0x00c0

 #define AR9170_TX_MAC_MMIC			0x0100
 #define AR9170_TX_MAC_HW_DURATION		0x0200
 #define AR9170_TX_MAC_QOS_SHIFT			10
 #define AR9170_TX_MAC_QOS_MASK			(3 << AR9170_TX_MAC_QOS_SHIFT)
 #define AR9170_TX_MAC_AGGR_QOS_BIT1		0x0400
 #define AR9170_TX_MAC_AGGR_QOS_BIT2		0x0800
 #define AR9170_TX_MAC_DISABLE_TXOP		0x1000
 #define AR9170_TX_MAC_TXOP_RIFS			0x2000
 #define AR9170_TX_MAC_IMM_AMPDU			0x4000
 #define AR9170_TX_MAC_RATE_PROBE		0x8000

 /* either-or */
 #define AR9170_TX_PHY_MOD_CCK			0x00000000
 #define AR9170_TX_PHY_MOD_OFDM			0x00000001
 #define AR9170_TX_PHY_MOD_HT			0x00000002

 /* depends on modulation */
 #define AR9170_TX_PHY_SHORT_PREAMBLE		0x00000004
 #define AR9170_TX_PHY_GREENFIELD		0x00000004

 #define AR9170_TX_PHY_BW_SHIFT			3
 #define AR9170_TX_PHY_BW_MASK			(3 << AR9170_TX_PHY_BW_SHIFT)
 #define AR9170_TX_PHY_BW_20MHZ			0
 #define AR9170_TX_PHY_BW_40MHZ			2
 #define AR9170_TX_PHY_BW_40MHZ_DUP		3

 #define AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT	6
 #define AR9170_TX_PHY_TX_HEAVY_CLIP_MASK	(7 << AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT)

 #define AR9170_TX_PHY_TX_PWR_SHIFT		9
 #define AR9170_TX_PHY_TX_PWR_MASK		(0x3f << AR9170_TX_PHY_TX_PWR_SHIFT)

 /* not part of the hw-spec */
 #define AR9170_TX_PHY_QOS_SHIFT			25
 #define AR9170_TX_PHY_QOS_MASK			(3 << AR9170_TX_PHY_QOS_SHIFT)

 #define AR9170_TX_PHY_TXCHAIN_SHIFT		15
 #define AR9170_TX_PHY_TXCHAIN_MASK		(7 << AR9170_TX_PHY_TXCHAIN_SHIFT)
 #define AR9170_TX_PHY_TXCHAIN_1			1
 /* use for cck, ofdm 6/9/12/18/24 and HT if capable */
 #define AR9170_TX_PHY_TXCHAIN_2			5

 #define AR9170_TX_PHY_MCS_SHIFT			18
 #define AR9170_TX_PHY_MCS_MASK			(0x7f << AR9170_TX_PHY_MCS_SHIFT)

 #define AR9170_TX_PHY_SHORT_GI			0x80000000

 struct ar9170_rx_head {
 	u8 plcp[12];
 } __packed;

 struct ar9170_rx_phystatus {
 	union {
 		struct {
 			u8 rssi_ant0, rssi_ant1, rssi_ant2,
 			   rssi_ant0x, rssi_ant1x, rssi_ant2x,
 			   rssi_combined;
 		} __packed;
 		u8 rssi[7];
 	} __packed;

 	u8 evm_stream0[6], evm_stream1[6];
 	u8 phy_err;
 } __packed;

 struct ar9170_rx_macstatus {
 	u8 SAidx, DAidx;
 	u8 error;
 	u8 status;
 } __packed;

 #define AR9170_ENC_ALG_NONE			0x0
 #define AR9170_ENC_ALG_WEP64			0x1
 #define AR9170_ENC_ALG_TKIP			0x2
 #define AR9170_ENC_ALG_AESCCMP			0x4
 #define AR9170_ENC_ALG_WEP128			0x5
 #define AR9170_ENC_ALG_WEP256			0x6
 #define AR9170_ENC_ALG_CENC			0x7

 #define AR9170_RX_ENC_SOFTWARE			0x8

 static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
 {
 	return (t->SAidx & 0xc0) >> 4 |
 	       (t->DAidx & 0xc0) >> 6;
 }

 #define AR9170_RX_STATUS_MODULATION_MASK	0x03
 #define AR9170_RX_STATUS_MODULATION_CCK		0x00
 #define AR9170_RX_STATUS_MODULATION_OFDM	0x01
 #define AR9170_RX_STATUS_MODULATION_HT		0x02
 #define AR9170_RX_STATUS_MODULATION_DUPOFDM	0x03

 /* depends on modulation */
 #define AR9170_RX_STATUS_SHORT_PREAMBLE		0x08
 #define AR9170_RX_STATUS_GREENFIELD		0x08

 #define AR9170_RX_STATUS_MPDU_MASK		0x30
 #define AR9170_RX_STATUS_MPDU_SINGLE		0x00
 #define AR9170_RX_STATUS_MPDU_FIRST		0x20
 #define AR9170_RX_STATUS_MPDU_MIDDLE		0x30
 #define AR9170_RX_STATUS_MPDU_LAST		0x10

 #define AR9170_RX_ERROR_RXTO			0x01
 #define AR9170_RX_ERROR_OVERRUN			0x02
 #define AR9170_RX_ERROR_DECRYPT			0x04
 #define AR9170_RX_ERROR_FCS			0x08
 #define AR9170_RX_ERROR_WRONG_RA		0x10
 #define AR9170_RX_ERROR_PLCP			0x20
 #define AR9170_RX_ERROR_MMIC			0x40
 #define AR9170_RX_ERROR_FATAL			0x80

 struct ar9170_cmd_tx_status {
 	u8 dst[ETH_ALEN];
 	__le32 rate;
 	__le16 status;
 } __packed;

 #define AR9170_TX_STATUS_COMPLETE		0x00
 #define AR9170_TX_STATUS_RETRY			0x01
 #define AR9170_TX_STATUS_FAILED			0x02

 struct ar9170_cmd_ba_failed_count {
 	__le16 failed;
 	__le16 rate;
 } __packed;

 struct ar9170_cmd_response {
 	u8 flag;
 	u8 type;
 	__le16 padding;

 	union {
 		struct ar9170_cmd_tx_status		tx_status;
 		struct ar9170_cmd_ba_failed_count	ba_fail_cnt;
 		u8 data[0];
 	};
 } __packed;

 /* QoS */

 /* mac80211 queue to HW/FW map */
 static const u8 ar9170_qos_hwmap[4] = { 3, 2, 0, 1 };

 /* HW/FW queue to mac80211 map */
 static const u8 ar9170_qos_mac80211map[4] = { 2, 3, 1, 0 };

 enum ar9170_txq {
 	AR9170_TXQ_BE,
 	AR9170_TXQ_BK,
 	AR9170_TXQ_VI,
 	AR9170_TXQ_VO,

 	__AR9170_NUM_TXQ,
 };

 #define AR9170_TXQ_DEPTH	32
 #define AR9170_TX_MAX_PENDING	128

 #endif /* __AR9170_HW_H */
	/*
	* Atheros AR9170 driver
	*
	* Hardware-specific definitions
	*
	* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* 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; see the file COPYING. If not, see
	* http://www.gnu.org/licenses/.
	*
	* This file incorporates work covered by the following copyright and
	* permission notice:
	* Copyright (c) 2007-2008 Atheros Communications, Inc.
	*
	* Permission to use, copy, modify, and/or distribute this software for any
	* purpose with or without fee is hereby granted, provided that the above
	* copyright notice and this permission notice appear in all copies.
	*
	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/
	#ifndef __AR9170_HW_H
	#define __AR9170_HW_H

	#define AR9170_MAX_CMD_LEN 64

	enum ar9170_cmd {
	AR9170_CMD_RREG = 0x00,
	AR9170_CMD_WREG = 0x01,
	AR9170_CMD_RMEM = 0x02,
	AR9170_CMD_WMEM = 0x03,
	AR9170_CMD_BITAND = 0x04,
	AR9170_CMD_BITOR = 0x05,
	AR9170_CMD_EKEY = 0x28,
	AR9170_CMD_DKEY = 0x29,
	AR9170_CMD_FREQUENCY = 0x30,
	AR9170_CMD_RF_INIT = 0x31,
	AR9170_CMD_SYNTH = 0x32,
	AR9170_CMD_FREQ_START = 0x33,
	AR9170_CMD_ECHO = 0x80,
	AR9170_CMD_TALLY = 0x81,
	AR9170_CMD_TALLY_APD = 0x82,
	AR9170_CMD_CONFIG = 0x83,
	AR9170_CMD_RESET = 0x90,
	AR9170_CMD_DKRESET = 0x91,
	AR9170_CMD_DKTX_STATUS = 0x92,
	AR9170_CMD_FDC = 0xA0,
	AR9170_CMD_WREEPROM = 0xB0,
	AR9170_CMD_WFLASH = 0xB0,
	AR9170_CMD_FLASH_ERASE = 0xB1,
	AR9170_CMD_FLASH_PROG = 0xB2,
	AR9170_CMD_FLASH_CHKSUM = 0xB3,
	AR9170_CMD_FLASH_READ = 0xB4,
	AR9170_CMD_FW_DL_INIT = 0xB5,
	AR9170_CMD_MEM_WREEPROM = 0xBB,
	};

	/* endpoints */
	#define AR9170_EP_TX 1
	#define AR9170_EP_RX 2
	#define AR9170_EP_IRQ 3
	#define AR9170_EP_CMD 4

	#define AR9170_EEPROM_START 0x1600

	#define AR9170_GPIO_REG_BASE 0x1d0100
	#define AR9170_GPIO_REG_PORT_TYPE AR9170_GPIO_REG_BASE
	#define AR9170_GPIO_REG_DATA (AR9170_GPIO_REG_BASE + 4)
	#define AR9170_NUM_LEDS 2


	#define AR9170_USB_REG_BASE 0x1e1000
	#define AR9170_USB_REG_DMA_CTL (AR9170_USB_REG_BASE + 0x108)
	#define AR9170_DMA_CTL_ENABLE_TO_DEVICE 0x1
	#define AR9170_DMA_CTL_ENABLE_FROM_DEVICE 0x2
	#define AR9170_DMA_CTL_HIGH_SPEED 0x4
	#define AR9170_DMA_CTL_PACKET_MODE 0x8

	#define AR9170_USB_REG_MAX_AGG_UPLOAD (AR9170_USB_REG_BASE + 0x110)
	#define AR9170_USB_REG_UPLOAD_TIME_CTL (AR9170_USB_REG_BASE + 0x114)



	#define AR9170_MAC_REG_BASE 0x1c3000

	#define AR9170_MAC_REG_TSF_L (AR9170_MAC_REG_BASE + 0x514)
	#define AR9170_MAC_REG_TSF_H (AR9170_MAC_REG_BASE + 0x518)

	#define AR9170_MAC_REG_ATIM_WINDOW (AR9170_MAC_REG_BASE + 0x51C)
	#define AR9170_MAC_REG_BCN_PERIOD (AR9170_MAC_REG_BASE + 0x520)
	#define AR9170_MAC_REG_PRETBTT (AR9170_MAC_REG_BASE + 0x524)

	#define AR9170_MAC_REG_MAC_ADDR_L (AR9170_MAC_REG_BASE + 0x610)
	#define AR9170_MAC_REG_MAC_ADDR_H (AR9170_MAC_REG_BASE + 0x614)
	#define AR9170_MAC_REG_BSSID_L (AR9170_MAC_REG_BASE + 0x618)
	#define AR9170_MAC_REG_BSSID_H (AR9170_MAC_REG_BASE + 0x61c)

	#define AR9170_MAC_REG_GROUP_HASH_TBL_L (AR9170_MAC_REG_BASE + 0x624)
	#define AR9170_MAC_REG_GROUP_HASH_TBL_H (AR9170_MAC_REG_BASE + 0x628)

	#define AR9170_MAC_REG_RX_TIMEOUT (AR9170_MAC_REG_BASE + 0x62C)

	#define AR9170_MAC_REG_BASIC_RATE (AR9170_MAC_REG_BASE + 0x630)
	#define AR9170_MAC_REG_MANDATORY_RATE (AR9170_MAC_REG_BASE + 0x634)
	#define AR9170_MAC_REG_RTS_CTS_RATE (AR9170_MAC_REG_BASE + 0x638)
	#define AR9170_MAC_REG_BACKOFF_PROTECT (AR9170_MAC_REG_BASE + 0x63c)
	#define AR9170_MAC_REG_RX_THRESHOLD (AR9170_MAC_REG_BASE + 0x640)
	#define AR9170_MAC_REG_RX_PE_DELAY (AR9170_MAC_REG_BASE + 0x64C)

	#define AR9170_MAC_REG_DYNAMIC_SIFS_ACK (AR9170_MAC_REG_BASE + 0x658)
	#define AR9170_MAC_REG_SNIFFER (AR9170_MAC_REG_BASE + 0x674)
	#define AR9170_MAC_REG_SNIFFER_ENABLE_PROMISC BIT(0)
	#define AR9170_MAC_REG_SNIFFER_DEFAULTS 0x02000000
	#define AR9170_MAC_REG_ENCRYPTION (AR9170_MAC_REG_BASE + 0x678)
	#define AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE BIT(3)
	#define AR9170_MAC_REG_ENCRYPTION_DEFAULTS 0x70

	#define AR9170_MAC_REG_MISC_680 (AR9170_MAC_REG_BASE + 0x680)
	#define AR9170_MAC_REG_TX_UNDERRUN (AR9170_MAC_REG_BASE + 0x688)

	#define AR9170_MAC_REG_FRAMETYPE_FILTER (AR9170_MAC_REG_BASE + 0x68c)
	#define AR9170_MAC_REG_FTF_ASSOC_REQ BIT(0)
	#define AR9170_MAC_REG_FTF_ASSOC_RESP BIT(1)
	#define AR9170_MAC_REG_FTF_REASSOC_REQ BIT(2)
	#define AR9170_MAC_REG_FTF_REASSOC_RESP BIT(3)
	#define AR9170_MAC_REG_FTF_PRB_REQ BIT(4)
	#define AR9170_MAC_REG_FTF_PRB_RESP BIT(5)
	#define AR9170_MAC_REG_FTF_BIT6 BIT(6)
	#define AR9170_MAC_REG_FTF_BIT7 BIT(7)
	#define AR9170_MAC_REG_FTF_BEACON BIT(8)
	#define AR9170_MAC_REG_FTF_ATIM BIT(9)
	#define AR9170_MAC_REG_FTF_DEASSOC BIT(10)
	#define AR9170_MAC_REG_FTF_AUTH BIT(11)
	#define AR9170_MAC_REG_FTF_DEAUTH BIT(12)
	#define AR9170_MAC_REG_FTF_BIT13 BIT(13)
	#define AR9170_MAC_REG_FTF_BIT14 BIT(14)
	#define AR9170_MAC_REG_FTF_BIT15 BIT(15)
	#define AR9170_MAC_REG_FTF_BAR BIT(24)
	#define AR9170_MAC_REG_FTF_BIT25 BIT(25)
	#define AR9170_MAC_REG_FTF_PSPOLL BIT(26)
	#define AR9170_MAC_REG_FTF_RTS BIT(27)
	#define AR9170_MAC_REG_FTF_CTS BIT(28)
	#define AR9170_MAC_REG_FTF_ACK BIT(29)
	#define AR9170_MAC_REG_FTF_CFE BIT(30)
	#define AR9170_MAC_REG_FTF_CFE_ACK BIT(31)
	#define AR9170_MAC_REG_FTF_DEFAULTS 0x0500ffff
	#define AR9170_MAC_REG_FTF_MONITOR 0xfd00ffff

	#define AR9170_MAC_REG_RX_TOTAL (AR9170_MAC_REG_BASE + 0x6A0)
	#define AR9170_MAC_REG_RX_CRC32 (AR9170_MAC_REG_BASE + 0x6A4)
	#define AR9170_MAC_REG_RX_CRC16 (AR9170_MAC_REG_BASE + 0x6A8)
	#define AR9170_MAC_REG_RX_ERR_DECRYPTION_UNI (AR9170_MAC_REG_BASE + 0x6AC)
	#define AR9170_MAC_REG_RX_OVERRUN (AR9170_MAC_REG_BASE + 0x6B0)
	#define AR9170_MAC_REG_RX_ERR_DECRYPTION_MUL (AR9170_MAC_REG_BASE + 0x6BC)
	#define AR9170_MAC_REG_TX_RETRY (AR9170_MAC_REG_BASE + 0x6CC)
	#define AR9170_MAC_REG_TX_TOTAL (AR9170_MAC_REG_BASE + 0x6F4)


	#define AR9170_MAC_REG_ACK_EXTENSION (AR9170_MAC_REG_BASE + 0x690)
	#define AR9170_MAC_REG_EIFS_AND_SIFS (AR9170_MAC_REG_BASE + 0x698)

	#define AR9170_MAC_REG_SLOT_TIME (AR9170_MAC_REG_BASE + 0x6F0)

	#define AR9170_MAC_REG_POWERMANAGEMENT (AR9170_MAC_REG_BASE + 0x700)
	#define AR9170_MAC_REG_POWERMGT_IBSS 0xe0
	#define AR9170_MAC_REG_POWERMGT_AP 0xa1
	#define AR9170_MAC_REG_POWERMGT_STA 0x2
	#define AR9170_MAC_REG_POWERMGT_AP_WDS 0x3
	#define AR9170_MAC_REG_POWERMGT_DEFAULTS (0xf << 24)

	#define AR9170_MAC_REG_ROLL_CALL_TBL_L (AR9170_MAC_REG_BASE + 0x704)
	#define AR9170_MAC_REG_ROLL_CALL_TBL_H (AR9170_MAC_REG_BASE + 0x708)

	#define AR9170_MAC_REG_AC0_CW (AR9170_MAC_REG_BASE + 0xB00)
	#define AR9170_MAC_REG_AC1_CW (AR9170_MAC_REG_BASE + 0xB04)
	#define AR9170_MAC_REG_AC2_CW (AR9170_MAC_REG_BASE + 0xB08)
	#define AR9170_MAC_REG_AC3_CW (AR9170_MAC_REG_BASE + 0xB0C)
	#define AR9170_MAC_REG_AC4_CW (AR9170_MAC_REG_BASE + 0xB10)
	#define AR9170_MAC_REG_AC1_AC0_AIFS (AR9170_MAC_REG_BASE + 0xB14)
	#define AR9170_MAC_REG_AC3_AC2_AIFS (AR9170_MAC_REG_BASE + 0xB18)

	#define AR9170_MAC_REG_RETRY_MAX (AR9170_MAC_REG_BASE + 0xB28)

	#define AR9170_MAC_REG_FCS_SELECT (AR9170_MAC_REG_BASE + 0xBB0)
	#define AR9170_MAC_FCS_SWFCS 0x1
	#define AR9170_MAC_FCS_FIFO_PROT 0x4


	#define AR9170_MAC_REG_TXOP_NOT_ENOUGH_IND (AR9170_MAC_REG_BASE + 0xB30)

	#define AR9170_MAC_REG_AC1_AC0_TXOP (AR9170_MAC_REG_BASE + 0xB44)
	#define AR9170_MAC_REG_AC3_AC2_TXOP (AR9170_MAC_REG_BASE + 0xB48)

	#define AR9170_MAC_REG_AMPDU_FACTOR (AR9170_MAC_REG_BASE + 0xB9C)
	#define AR9170_MAC_REG_AMPDU_DENSITY (AR9170_MAC_REG_BASE + 0xBA0)

	#define AR9170_MAC_REG_ACK_TABLE (AR9170_MAC_REG_BASE + 0xC00)
	#define AR9170_MAC_REG_AMPDU_RX_THRESH (AR9170_MAC_REG_BASE + 0xC50)

	#define AR9170_MAC_REG_TXRX_MPI (AR9170_MAC_REG_BASE + 0xD7C)
	#define AR9170_MAC_TXRX_MPI_TX_MPI_MASK 0x0000000f
	#define AR9170_MAC_TXRX_MPI_TX_TO_MASK 0x0000fff0
	#define AR9170_MAC_TXRX_MPI_RX_MPI_MASK 0x000f0000
	#define AR9170_MAC_TXRX_MPI_RX_TO_MASK 0xfff00000

	#define AR9170_MAC_REG_BCN_ADDR (AR9170_MAC_REG_BASE + 0xD84)
	#define AR9170_MAC_REG_BCN_LENGTH (AR9170_MAC_REG_BASE + 0xD88)
	#define AR9170_MAC_REG_BCN_PLCP (AR9170_MAC_REG_BASE + 0xD90)
	#define AR9170_MAC_REG_BCN_CTRL (AR9170_MAC_REG_BASE + 0xD94)
	#define AR9170_MAC_REG_BCN_HT1 (AR9170_MAC_REG_BASE + 0xDA0)
	#define AR9170_MAC_REG_BCN_HT2 (AR9170_MAC_REG_BASE + 0xDA4)


	#define AR9170_PWR_REG_BASE 0x1D4000

	#define AR9170_PWR_REG_CLOCK_SEL (AR9170_PWR_REG_BASE + 0x008)
	#define AR9170_PWR_CLK_AHB_40MHZ 0
	#define AR9170_PWR_CLK_AHB_20_22MHZ 1
	#define AR9170_PWR_CLK_AHB_40_44MHZ 2
	#define AR9170_PWR_CLK_AHB_80_88MHZ 3
	#define AR9170_PWR_CLK_DAC_160_INV_DLY 0x70


	/* put beacon here in memory */
	#define AR9170_BEACON_BUFFER_ADDRESS 0x117900


	struct ar9170_tx_control {
	__le16 length;
	__le16 mac_control;
	__le32 phy_control;
	u8 frame_data[0];
	} __packed;

	/* these are either-or */
	#define AR9170_TX_MAC_PROT_RTS 0x0001
	#define AR9170_TX_MAC_PROT_CTS 0x0002

	#define AR9170_TX_MAC_NO_ACK 0x0004
	/* if unset, MAC will only do SIFS space before frame */
	#define AR9170_TX_MAC_BACKOFF 0x0008
	#define AR9170_TX_MAC_BURST 0x0010
	#define AR9170_TX_MAC_AGGR 0x0020

	/* encryption is a two-bit field */
	#define AR9170_TX_MAC_ENCR_NONE 0x0000
	#define AR9170_TX_MAC_ENCR_RC4 0x0040
	#define AR9170_TX_MAC_ENCR_CENC 0x0080
	#define AR9170_TX_MAC_ENCR_AES 0x00c0

	#define AR9170_TX_MAC_MMIC 0x0100
	#define AR9170_TX_MAC_HW_DURATION 0x0200
	#define AR9170_TX_MAC_QOS_SHIFT 10
	#define AR9170_TX_MAC_QOS_MASK (3 << AR9170_TX_MAC_QOS_SHIFT)
	#define AR9170_TX_MAC_AGGR_QOS_BIT1 0x0400
	#define AR9170_TX_MAC_AGGR_QOS_BIT2 0x0800
	#define AR9170_TX_MAC_DISABLE_TXOP 0x1000
	#define AR9170_TX_MAC_TXOP_RIFS 0x2000
	#define AR9170_TX_MAC_IMM_AMPDU 0x4000
	#define AR9170_TX_MAC_RATE_PROBE 0x8000

	/* either-or */
	#define AR9170_TX_PHY_MOD_CCK 0x00000000
	#define AR9170_TX_PHY_MOD_OFDM 0x00000001
	#define AR9170_TX_PHY_MOD_HT 0x00000002

	/* depends on modulation */
	#define AR9170_TX_PHY_SHORT_PREAMBLE 0x00000004
	#define AR9170_TX_PHY_GREENFIELD 0x00000004

	#define AR9170_TX_PHY_BW_SHIFT 3
	#define AR9170_TX_PHY_BW_MASK (3 << AR9170_TX_PHY_BW_SHIFT)
	#define AR9170_TX_PHY_BW_20MHZ 0
	#define AR9170_TX_PHY_BW_40MHZ 2
	#define AR9170_TX_PHY_BW_40MHZ_DUP 3

	#define AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT 6
	#define AR9170_TX_PHY_TX_HEAVY_CLIP_MASK (7 << AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT)

	#define AR9170_TX_PHY_TX_PWR_SHIFT 9
	#define AR9170_TX_PHY_TX_PWR_MASK (0x3f << AR9170_TX_PHY_TX_PWR_SHIFT)

	/* not part of the hw-spec */
	#define AR9170_TX_PHY_QOS_SHIFT 25
	#define AR9170_TX_PHY_QOS_MASK (3 << AR9170_TX_PHY_QOS_SHIFT)

	#define AR9170_TX_PHY_TXCHAIN_SHIFT 15
	#define AR9170_TX_PHY_TXCHAIN_MASK (7 << AR9170_TX_PHY_TXCHAIN_SHIFT)
	#define AR9170_TX_PHY_TXCHAIN_1 1
	/* use for cck, ofdm 6/9/12/18/24 and HT if capable */
	#define AR9170_TX_PHY_TXCHAIN_2 5

	#define AR9170_TX_PHY_MCS_SHIFT 18
	#define AR9170_TX_PHY_MCS_MASK (0x7f << AR9170_TX_PHY_MCS_SHIFT)

	#define AR9170_TX_PHY_SHORT_GI 0x80000000

	struct ar9170_rx_head {
	u8 plcp[12];
	} __packed;

	struct ar9170_rx_phystatus {
	union {
	struct {
	u8 rssi_ant0, rssi_ant1, rssi_ant2,
	rssi_ant0x, rssi_ant1x, rssi_ant2x,
	rssi_combined;
	} __packed;
	u8 rssi[7];
	} __packed;

	u8 evm_stream0[6], evm_stream1[6];
	u8 phy_err;
	} __packed;

	struct ar9170_rx_macstatus {
	u8 SAidx, DAidx;
	u8 error;
	u8 status;
	} __packed;

	#define AR9170_ENC_ALG_NONE 0x0
	#define AR9170_ENC_ALG_WEP64 0x1
	#define AR9170_ENC_ALG_TKIP 0x2
	#define AR9170_ENC_ALG_AESCCMP 0x4
	#define AR9170_ENC_ALG_WEP128 0x5
	#define AR9170_ENC_ALG_WEP256 0x6
	#define AR9170_ENC_ALG_CENC 0x7

	#define AR9170_RX_ENC_SOFTWARE 0x8

	static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t)
	{
	return (t->SAidx & 0xc0) >> 4 \|
	(t->DAidx & 0xc0) >> 6;
	}

	#define AR9170_RX_STATUS_MODULATION_MASK 0x03
	#define AR9170_RX_STATUS_MODULATION_CCK 0x00
	#define AR9170_RX_STATUS_MODULATION_OFDM 0x01
	#define AR9170_RX_STATUS_MODULATION_HT 0x02
	#define AR9170_RX_STATUS_MODULATION_DUPOFDM 0x03

	/* depends on modulation */
	#define AR9170_RX_STATUS_SHORT_PREAMBLE 0x08
	#define AR9170_RX_STATUS_GREENFIELD 0x08

	#define AR9170_RX_STATUS_MPDU_MASK 0x30
	#define AR9170_RX_STATUS_MPDU_SINGLE 0x00
	#define AR9170_RX_STATUS_MPDU_FIRST 0x20
	#define AR9170_RX_STATUS_MPDU_MIDDLE 0x30
	#define AR9170_RX_STATUS_MPDU_LAST 0x10

	#define AR9170_RX_ERROR_RXTO 0x01
	#define AR9170_RX_ERROR_OVERRUN 0x02
	#define AR9170_RX_ERROR_DECRYPT 0x04
	#define AR9170_RX_ERROR_FCS 0x08
	#define AR9170_RX_ERROR_WRONG_RA 0x10
	#define AR9170_RX_ERROR_PLCP 0x20
	#define AR9170_RX_ERROR_MMIC 0x40
	#define AR9170_RX_ERROR_FATAL 0x80

	struct ar9170_cmd_tx_status {
	u8 dst[ETH_ALEN];
	__le32 rate;
	__le16 status;
	} __packed;

	#define AR9170_TX_STATUS_COMPLETE 0x00
	#define AR9170_TX_STATUS_RETRY 0x01
	#define AR9170_TX_STATUS_FAILED 0x02

	struct ar9170_cmd_ba_failed_count {
	__le16 failed;
	__le16 rate;
	} __packed;

	struct ar9170_cmd_response {
	u8 flag;
	u8 type;
	__le16 padding;

	union {
	struct ar9170_cmd_tx_status tx_status;
	struct ar9170_cmd_ba_failed_count ba_fail_cnt;
	u8 data[0];
	};
	} __packed;

	/* QoS */

	/* mac80211 queue to HW/FW map */
	static const u8 ar9170_qos_hwmap[4] = { 3, 2, 0, 1 };

	/* HW/FW queue to mac80211 map */
	static const u8 ar9170_qos_mac80211map[4] = { 2, 3, 1, 0 };

	enum ar9170_txq {
	AR9170_TXQ_BE,
	AR9170_TXQ_BK,
	AR9170_TXQ_VI,
	AR9170_TXQ_VO,

	__AR9170_NUM_TXQ,
	};

	#define AR9170_TXQ_DEPTH 32
	#define AR9170_TX_MAX_PENDING 128

	#endif /* __AR9170_HW_H */