drivers/net/wireless/rt2x00/rt2500usb.h - vendor/opensource/backports - Git at Google

 /*
 	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
 	<http://rt2x00.serialmonkey.com>

 	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; if not, see <http://www.gnu.org/licenses/>.
  */

 /*
 	Module: rt2500usb
 	Abstract: Data structures and registers for the rt2500usb module.
 	Supported chipsets: RT2570.
  */

 #ifndef RT2500USB_H
 #define RT2500USB_H

 /*
  * RF chip defines.
  */
 #define RF2522				0x0000
 #define RF2523				0x0001
 #define RF2524				0x0002
 #define RF2525				0x0003
 #define RF2525E				0x0005
 #define RF5222				0x0010

 /*
  * RT2570 version
  */
 #define RT2570_VERSION_B		2
 #define RT2570_VERSION_C		3
 #define RT2570_VERSION_D		4

 /*
  * Signal information.
  * Default offset is required for RSSI <-> dBm conversion.
  */
 #define DEFAULT_RSSI_OFFSET		120

 /*
  * Register layout information.
  */
 #define CSR_REG_BASE			0x0400
 #define CSR_REG_SIZE			0x0100
 #define EEPROM_BASE			0x0000
 #define EEPROM_SIZE			0x006a
 #define BBP_BASE			0x0000
 #define BBP_SIZE			0x0060
 #define RF_BASE				0x0004
 #define RF_SIZE				0x0010

 /*
  * Number of TX queues.
  */
 #define NUM_TX_QUEUES			2

 /*
  * Control/Status Registers(CSR).
  * Some values are set in TU, whereas 1 TU == 1024 us.
  */

 /*
  * MAC_CSR0: ASIC revision number.
  */
 #define MAC_CSR0			0x0400

 /*
  * MAC_CSR1: System control.
  * SOFT_RESET: Software reset, 1: reset, 0: normal.
  * BBP_RESET: Hardware reset, 1: reset, 0, release.
  * HOST_READY: Host ready after initialization.
  */
 #define MAC_CSR1			0x0402
 #define MAC_CSR1_SOFT_RESET		FIELD16(0x00000001)
 #define MAC_CSR1_BBP_RESET		FIELD16(0x00000002)
 #define MAC_CSR1_HOST_READY		FIELD16(0x00000004)

 /*
  * MAC_CSR2: STA MAC register 0.
  */
 #define MAC_CSR2			0x0404
 #define MAC_CSR2_BYTE0			FIELD16(0x00ff)
 #define MAC_CSR2_BYTE1			FIELD16(0xff00)

 /*
  * MAC_CSR3: STA MAC register 1.
  */
 #define MAC_CSR3			0x0406
 #define MAC_CSR3_BYTE2			FIELD16(0x00ff)
 #define MAC_CSR3_BYTE3			FIELD16(0xff00)

 /*
  * MAC_CSR4: STA MAC register 2.
  */
 #define MAC_CSR4			0X0408
 #define MAC_CSR4_BYTE4			FIELD16(0x00ff)
 #define MAC_CSR4_BYTE5			FIELD16(0xff00)

 /*
  * MAC_CSR5: BSSID register 0.
  */
 #define MAC_CSR5			0x040a
 #define MAC_CSR5_BYTE0			FIELD16(0x00ff)
 #define MAC_CSR5_BYTE1			FIELD16(0xff00)

 /*
  * MAC_CSR6: BSSID register 1.
  */
 #define MAC_CSR6			0x040c
 #define MAC_CSR6_BYTE2			FIELD16(0x00ff)
 #define MAC_CSR6_BYTE3			FIELD16(0xff00)

 /*
  * MAC_CSR7: BSSID register 2.
  */
 #define MAC_CSR7			0x040e
 #define MAC_CSR7_BYTE4			FIELD16(0x00ff)
 #define MAC_CSR7_BYTE5			FIELD16(0xff00)

 /*
  * MAC_CSR8: Max frame length.
  */
 #define MAC_CSR8			0x0410
 #define MAC_CSR8_MAX_FRAME_UNIT		FIELD16(0x0fff)

 /*
  * Misc MAC_CSR registers.
  * MAC_CSR9: Timer control.
  * MAC_CSR10: Slot time.
  * MAC_CSR11: SIFS.
  * MAC_CSR12: EIFS.
  * MAC_CSR13: Power mode0.
  * MAC_CSR14: Power mode1.
  * MAC_CSR15: Power saving transition0
  * MAC_CSR16: Power saving transition1
  */
 #define MAC_CSR9			0x0412
 #define MAC_CSR10			0x0414
 #define MAC_CSR11			0x0416
 #define MAC_CSR12			0x0418
 #define MAC_CSR13			0x041a
 #define MAC_CSR14			0x041c
 #define MAC_CSR15			0x041e
 #define MAC_CSR16			0x0420

 /*
  * MAC_CSR17: Manual power control / status register.
  * Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
  * SET_STATE: Set state. Write 1 to trigger, self cleared.
  * BBP_DESIRE_STATE: BBP desired state.
  * RF_DESIRE_STATE: RF desired state.
  * BBP_CURRENT_STATE: BBP current state.
  * RF_CURRENT_STATE: RF current state.
  * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
  */
 #define MAC_CSR17			0x0422
 #define MAC_CSR17_SET_STATE		FIELD16(0x0001)
 #define MAC_CSR17_BBP_DESIRE_STATE	FIELD16(0x0006)
 #define MAC_CSR17_RF_DESIRE_STATE	FIELD16(0x0018)
 #define MAC_CSR17_BBP_CURR_STATE	FIELD16(0x0060)
 #define MAC_CSR17_RF_CURR_STATE		FIELD16(0x0180)
 #define MAC_CSR17_PUT_TO_SLEEP		FIELD16(0x0200)

 /*
  * MAC_CSR18: Wakeup timer register.
  * DELAY_AFTER_BEACON: Delay after Tbcn expired in units of 1/16 TU.
  * BEACONS_BEFORE_WAKEUP: Number of beacon before wakeup.
  * AUTO_WAKE: Enable auto wakeup / sleep mechanism.
  */
 #define MAC_CSR18			0x0424
 #define MAC_CSR18_DELAY_AFTER_BEACON	FIELD16(0x00ff)
 #define MAC_CSR18_BEACONS_BEFORE_WAKEUP	FIELD16(0x7f00)
 #define MAC_CSR18_AUTO_WAKE		FIELD16(0x8000)

 /*
  * MAC_CSR19: GPIO control register.
  *	MAC_CSR19_VALx: GPIO value
  *	MAC_CSR19_DIRx: GPIO direction: 0 = input; 1 = output
  */
 #define MAC_CSR19			0x0426
 #define MAC_CSR19_VAL0			FIELD16(0x0001)
 #define MAC_CSR19_VAL1			FIELD16(0x0002)
 #define MAC_CSR19_VAL2			FIELD16(0x0004)
 #define MAC_CSR19_VAL3			FIELD16(0x0008)
 #define MAC_CSR19_VAL4			FIELD16(0x0010)
 #define MAC_CSR19_VAL5			FIELD16(0x0020)
 #define MAC_CSR19_VAL6			FIELD16(0x0040)
 #define MAC_CSR19_VAL7			FIELD16(0x0080)
 #define MAC_CSR19_DIR0			FIELD16(0x0100)
 #define MAC_CSR19_DIR1			FIELD16(0x0200)
 #define MAC_CSR19_DIR2			FIELD16(0x0400)
 #define MAC_CSR19_DIR3			FIELD16(0x0800)
 #define MAC_CSR19_DIR4			FIELD16(0x1000)
 #define MAC_CSR19_DIR5			FIELD16(0x2000)
 #define MAC_CSR19_DIR6			FIELD16(0x4000)
 #define MAC_CSR19_DIR7			FIELD16(0x8000)

 /*
  * MAC_CSR20: LED control register.
  * ACTIVITY: 0: idle, 1: active.
  * LINK: 0: linkoff, 1: linkup.
  * ACTIVITY_POLARITY: 0: active low, 1: active high.
  */
 #define MAC_CSR20			0x0428
 #define MAC_CSR20_ACTIVITY		FIELD16(0x0001)
 #define MAC_CSR20_LINK			FIELD16(0x0002)
 #define MAC_CSR20_ACTIVITY_POLARITY	FIELD16(0x0004)

 /*
  * MAC_CSR21: LED control register.
  * ON_PERIOD: On period, default 70ms.
  * OFF_PERIOD: Off period, default 30ms.
  */
 #define MAC_CSR21			0x042a
 #define MAC_CSR21_ON_PERIOD		FIELD16(0x00ff)
 #define MAC_CSR21_OFF_PERIOD		FIELD16(0xff00)

 /*
  * MAC_CSR22: Collision window control register.
  */
 #define MAC_CSR22			0x042c

 /*
  * Transmit related CSRs.
  * Some values are set in TU, whereas 1 TU == 1024 us.
  */

 /*
  * TXRX_CSR0: Security control register.
  */
 #define TXRX_CSR0			0x0440
 #define TXRX_CSR0_ALGORITHM		FIELD16(0x0007)
 #define TXRX_CSR0_IV_OFFSET		FIELD16(0x01f8)
 #define TXRX_CSR0_KEY_ID		FIELD16(0x1e00)

 /*
  * TXRX_CSR1: TX configuration.
  * ACK_TIMEOUT: ACK Timeout in unit of 1-us.
  * TSF_OFFSET: TSF offset in MAC header.
  * AUTO_SEQUENCE: Let ASIC control frame sequence number.
  */
 #define TXRX_CSR1			0x0442
 #define TXRX_CSR1_ACK_TIMEOUT		FIELD16(0x00ff)
 #define TXRX_CSR1_TSF_OFFSET		FIELD16(0x7f00)
 #define TXRX_CSR1_AUTO_SEQUENCE		FIELD16(0x8000)

 /*
  * TXRX_CSR2: RX control.
  * DISABLE_RX: Disable rx engine.
  * DROP_CRC: Drop crc error.
  * DROP_PHYSICAL: Drop physical error.
  * DROP_CONTROL: Drop control frame.
  * DROP_NOT_TO_ME: Drop not to me unicast frame.
  * DROP_TODS: Drop frame tods bit is true.
  * DROP_VERSION_ERROR: Drop version error frame.
  * DROP_MCAST: Drop multicast frames.
  * DROP_BCAST: Drop broadcast frames.
  */
 #define TXRX_CSR2			0x0444
 #define	TXRX_CSR2_DISABLE_RX		FIELD16(0x0001)
 #define TXRX_CSR2_DROP_CRC		FIELD16(0x0002)
 #define TXRX_CSR2_DROP_PHYSICAL		FIELD16(0x0004)
 #define TXRX_CSR2_DROP_CONTROL		FIELD16(0x0008)
 #define TXRX_CSR2_DROP_NOT_TO_ME	FIELD16(0x0010)
 #define TXRX_CSR2_DROP_TODS		FIELD16(0x0020)
 #define TXRX_CSR2_DROP_VERSION_ERROR	FIELD16(0x0040)
 #define TXRX_CSR2_DROP_MULTICAST	FIELD16(0x0200)
 #define TXRX_CSR2_DROP_BROADCAST	FIELD16(0x0400)

 /*
  * RX BBP ID registers
  * TXRX_CSR3: CCK RX BBP ID.
  * TXRX_CSR4: OFDM RX BBP ID.
  */
 #define TXRX_CSR3			0x0446
 #define TXRX_CSR4			0x0448

 /*
  * TXRX_CSR5: CCK TX BBP ID0.
  */
 #define TXRX_CSR5			0x044a
 #define TXRX_CSR5_BBP_ID0		FIELD16(0x007f)
 #define TXRX_CSR5_BBP_ID0_VALID		FIELD16(0x0080)
 #define TXRX_CSR5_BBP_ID1		FIELD16(0x7f00)
 #define TXRX_CSR5_BBP_ID1_VALID		FIELD16(0x8000)

 /*
  * TXRX_CSR6: CCK TX BBP ID1.
  */
 #define TXRX_CSR6			0x044c
 #define TXRX_CSR6_BBP_ID0		FIELD16(0x007f)
 #define TXRX_CSR6_BBP_ID0_VALID		FIELD16(0x0080)
 #define TXRX_CSR6_BBP_ID1		FIELD16(0x7f00)
 #define TXRX_CSR6_BBP_ID1_VALID		FIELD16(0x8000)

 /*
  * TXRX_CSR7: OFDM TX BBP ID0.
  */
 #define TXRX_CSR7			0x044e
 #define TXRX_CSR7_BBP_ID0		FIELD16(0x007f)
 #define TXRX_CSR7_BBP_ID0_VALID		FIELD16(0x0080)
 #define TXRX_CSR7_BBP_ID1		FIELD16(0x7f00)
 #define TXRX_CSR7_BBP_ID1_VALID		FIELD16(0x8000)

 /*
  * TXRX_CSR8: OFDM TX BBP ID1.
  */
 #define TXRX_CSR8			0x0450
 #define TXRX_CSR8_BBP_ID0		FIELD16(0x007f)
 #define TXRX_CSR8_BBP_ID0_VALID		FIELD16(0x0080)
 #define TXRX_CSR8_BBP_ID1		FIELD16(0x7f00)
 #define TXRX_CSR8_BBP_ID1_VALID		FIELD16(0x8000)

 /*
  * TXRX_CSR9: TX ACK time-out.
  */
 #define TXRX_CSR9			0x0452

 /*
  * TXRX_CSR10: Auto responder control.
  */
 #define TXRX_CSR10			0x0454
 #define TXRX_CSR10_AUTORESPOND_PREAMBLE FIELD16(0x0004)

 /*
  * TXRX_CSR11: Auto responder basic rate.
  */
 #define TXRX_CSR11			0x0456

 /*
  * ACK/CTS time registers.
  */
 #define TXRX_CSR12			0x0458
 #define TXRX_CSR13			0x045a
 #define TXRX_CSR14			0x045c
 #define TXRX_CSR15			0x045e
 #define TXRX_CSR16			0x0460
 #define TXRX_CSR17			0x0462

 /*
  * TXRX_CSR18: Synchronization control register.
  */
 #define TXRX_CSR18			0x0464
 #define TXRX_CSR18_OFFSET		FIELD16(0x000f)
 #define TXRX_CSR18_INTERVAL		FIELD16(0xfff0)

 /*
  * TXRX_CSR19: Synchronization control register.
  * TSF_COUNT: Enable TSF auto counting.
  * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
  * TBCN: Enable Tbcn with reload value.
  * BEACON_GEN: Enable beacon generator.
  */
 #define TXRX_CSR19			0x0466
 #define TXRX_CSR19_TSF_COUNT		FIELD16(0x0001)
 #define TXRX_CSR19_TSF_SYNC		FIELD16(0x0006)
 #define TXRX_CSR19_TBCN			FIELD16(0x0008)
 #define TXRX_CSR19_BEACON_GEN		FIELD16(0x0010)

 /*
  * TXRX_CSR20: Tx BEACON offset time control register.
  * OFFSET: In units of usec.
  * BCN_EXPECT_WINDOW: Default: 2^CWmin
  */
 #define TXRX_CSR20			0x0468
 #define TXRX_CSR20_OFFSET		FIELD16(0x1fff)
 #define TXRX_CSR20_BCN_EXPECT_WINDOW	FIELD16(0xe000)

 /*
  * TXRX_CSR21
  */
 #define TXRX_CSR21			0x046a

 /*
  * Encryption related CSRs.
  *
  */

 /*
  * SEC_CSR0: Shared key 0, word 0
  * SEC_CSR1: Shared key 0, word 1
  * SEC_CSR2: Shared key 0, word 2
  * SEC_CSR3: Shared key 0, word 3
  * SEC_CSR4: Shared key 0, word 4
  * SEC_CSR5: Shared key 0, word 5
  * SEC_CSR6: Shared key 0, word 6
  * SEC_CSR7: Shared key 0, word 7
  */
 #define SEC_CSR0			0x0480
 #define SEC_CSR1			0x0482
 #define SEC_CSR2			0x0484
 #define SEC_CSR3			0x0486
 #define SEC_CSR4			0x0488
 #define SEC_CSR5			0x048a
 #define SEC_CSR6			0x048c
 #define SEC_CSR7			0x048e

 /*
  * SEC_CSR8: Shared key 1, word 0
  * SEC_CSR9: Shared key 1, word 1
  * SEC_CSR10: Shared key 1, word 2
  * SEC_CSR11: Shared key 1, word 3
  * SEC_CSR12: Shared key 1, word 4
  * SEC_CSR13: Shared key 1, word 5
  * SEC_CSR14: Shared key 1, word 6
  * SEC_CSR15: Shared key 1, word 7
  */
 #define SEC_CSR8			0x0490
 #define SEC_CSR9			0x0492
 #define SEC_CSR10			0x0494
 #define SEC_CSR11			0x0496
 #define SEC_CSR12			0x0498
 #define SEC_CSR13			0x049a
 #define SEC_CSR14			0x049c
 #define SEC_CSR15			0x049e

 /*
  * SEC_CSR16: Shared key 2, word 0
  * SEC_CSR17: Shared key 2, word 1
  * SEC_CSR18: Shared key 2, word 2
  * SEC_CSR19: Shared key 2, word 3
  * SEC_CSR20: Shared key 2, word 4
  * SEC_CSR21: Shared key 2, word 5
  * SEC_CSR22: Shared key 2, word 6
  * SEC_CSR23: Shared key 2, word 7
  */
 #define SEC_CSR16			0x04a0
 #define SEC_CSR17			0x04a2
 #define SEC_CSR18			0X04A4
 #define SEC_CSR19			0x04a6
 #define SEC_CSR20			0x04a8
 #define SEC_CSR21			0x04aa
 #define SEC_CSR22			0x04ac
 #define SEC_CSR23			0x04ae

 /*
  * SEC_CSR24: Shared key 3, word 0
  * SEC_CSR25: Shared key 3, word 1
  * SEC_CSR26: Shared key 3, word 2
  * SEC_CSR27: Shared key 3, word 3
  * SEC_CSR28: Shared key 3, word 4
  * SEC_CSR29: Shared key 3, word 5
  * SEC_CSR30: Shared key 3, word 6
  * SEC_CSR31: Shared key 3, word 7
  */
 #define SEC_CSR24			0x04b0
 #define SEC_CSR25			0x04b2
 #define SEC_CSR26			0x04b4
 #define SEC_CSR27			0x04b6
 #define SEC_CSR28			0x04b8
 #define SEC_CSR29			0x04ba
 #define SEC_CSR30			0x04bc
 #define SEC_CSR31			0x04be

 #define KEY_ENTRY(__idx) \
 	( SEC_CSR0 + ((__idx) * 16) )

 /*
  * PHY control registers.
  */

 /*
  * PHY_CSR0: RF switching timing control.
  */
 #define PHY_CSR0			0x04c0

 /*
  * PHY_CSR1: TX PA configuration.
  */
 #define PHY_CSR1			0x04c2

 /*
  * MAC configuration registers.
  */

 /*
  * PHY_CSR2: TX MAC configuration.
  * NOTE: Both register fields are complete dummy,
  * documentation and legacy drivers are unclear un
  * what this register means or what fields exists.
  */
 #define PHY_CSR2			0x04c4
 #define PHY_CSR2_LNA			FIELD16(0x0002)
 #define PHY_CSR2_LNA_MODE		FIELD16(0x3000)

 /*
  * PHY_CSR3: RX MAC configuration.
  */
 #define PHY_CSR3			0x04c6

 /*
  * PHY_CSR4: Interface configuration.
  */
 #define PHY_CSR4			0x04c8
 #define PHY_CSR4_LOW_RF_LE		FIELD16(0x0001)

 /*
  * BBP pre-TX registers.
  * PHY_CSR5: BBP pre-TX CCK.
  */
 #define PHY_CSR5			0x04ca
 #define PHY_CSR5_CCK			FIELD16(0x0003)
 #define PHY_CSR5_CCK_FLIP		FIELD16(0x0004)

 /*
  * BBP pre-TX registers.
  * PHY_CSR6: BBP pre-TX OFDM.
  */
 #define PHY_CSR6			0x04cc
 #define PHY_CSR6_OFDM			FIELD16(0x0003)
 #define PHY_CSR6_OFDM_FLIP		FIELD16(0x0004)

 /*
  * PHY_CSR7: BBP access register 0.
  * BBP_DATA: BBP data.
  * BBP_REG_ID: BBP register ID.
  * BBP_READ_CONTROL: 0: write, 1: read.
  */
 #define PHY_CSR7			0x04ce
 #define PHY_CSR7_DATA			FIELD16(0x00ff)
 #define PHY_CSR7_REG_ID			FIELD16(0x7f00)
 #define PHY_CSR7_READ_CONTROL		FIELD16(0x8000)

 /*
  * PHY_CSR8: BBP access register 1.
  * BBP_BUSY: ASIC is busy execute BBP programming.
  */
 #define PHY_CSR8			0x04d0
 #define PHY_CSR8_BUSY			FIELD16(0x0001)

 /*
  * PHY_CSR9: RF access register.
  * RF_VALUE: Register value + id to program into rf/if.
  */
 #define PHY_CSR9			0x04d2
 #define PHY_CSR9_RF_VALUE		FIELD16(0xffff)

 /*
  * PHY_CSR10: RF access register.
  * RF_VALUE: Register value + id to program into rf/if.
  * RF_NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
  * RF_IF_SELECT: Chip to program: 0: rf, 1: if.
  * RF_PLL_LD: Rf pll_ld status.
  * RF_BUSY: 1: asic is busy execute rf programming.
  */
 #define PHY_CSR10			0x04d4
 #define PHY_CSR10_RF_VALUE		FIELD16(0x00ff)
 #define PHY_CSR10_RF_NUMBER_OF_BITS	FIELD16(0x1f00)
 #define PHY_CSR10_RF_IF_SELECT		FIELD16(0x2000)
 #define PHY_CSR10_RF_PLL_LD		FIELD16(0x4000)
 #define PHY_CSR10_RF_BUSY		FIELD16(0x8000)

 /*
  * STA_CSR0: FCS error count.
  * FCS_ERROR: FCS error count, cleared when read.
  */
 #define STA_CSR0			0x04e0
 #define STA_CSR0_FCS_ERROR		FIELD16(0xffff)

 /*
  * STA_CSR1: PLCP error count.
  */
 #define STA_CSR1			0x04e2

 /*
  * STA_CSR2: LONG error count.
  */
 #define STA_CSR2			0x04e4

 /*
  * STA_CSR3: CCA false alarm.
  * FALSE_CCA_ERROR: False CCA error count, cleared when read.
  */
 #define STA_CSR3			0x04e6
 #define STA_CSR3_FALSE_CCA_ERROR	FIELD16(0xffff)

 /*
  * STA_CSR4: RX FIFO overflow.
  */
 #define STA_CSR4			0x04e8

 /*
  * STA_CSR5: Beacon sent counter.
  */
 #define STA_CSR5			0x04ea

 /*
  *  Statistics registers
  */
 #define STA_CSR6			0x04ec
 #define STA_CSR7			0x04ee
 #define STA_CSR8			0x04f0
 #define STA_CSR9			0x04f2
 #define STA_CSR10			0x04f4

 /*
  * BBP registers.
  * The wordsize of the BBP is 8 bits.
  */

 /*
  * R2: TX antenna control
  */
 #define BBP_R2_TX_ANTENNA		FIELD8(0x03)
 #define BBP_R2_TX_IQ_FLIP		FIELD8(0x04)

 /*
  * R14: RX antenna control
  */
 #define BBP_R14_RX_ANTENNA		FIELD8(0x03)
 #define BBP_R14_RX_IQ_FLIP		FIELD8(0x04)

 /*
  * RF registers.
  */

 /*
  * RF 1
  */
 #define RF1_TUNER			FIELD32(0x00020000)

 /*
  * RF 3
  */
 #define RF3_TUNER			FIELD32(0x00000100)
 #define RF3_TXPOWER			FIELD32(0x00003e00)

 /*
  * EEPROM contents.
  */

 /*
  * HW MAC address.
  */
 #define EEPROM_MAC_ADDR_0		0x0002
 #define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
 #define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
 #define EEPROM_MAC_ADDR1		0x0003
 #define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
 #define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
 #define EEPROM_MAC_ADDR_2		0x0004
 #define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
 #define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)

 /*
  * EEPROM antenna.
  * ANTENNA_NUM: Number of antenna's.
  * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
  * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
  * LED_MODE: 0: default, 1: TX/RX activity, 2: Single (ignore link), 3: rsvd.
  * DYN_TXAGC: Dynamic TX AGC control.
  * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
  * RF_TYPE: Rf_type of this adapter.
  */
 #define EEPROM_ANTENNA			0x000b
 #define EEPROM_ANTENNA_NUM		FIELD16(0x0003)
 #define EEPROM_ANTENNA_TX_DEFAULT	FIELD16(0x000c)
 #define EEPROM_ANTENNA_RX_DEFAULT	FIELD16(0x0030)
 #define EEPROM_ANTENNA_LED_MODE		FIELD16(0x01c0)
 #define EEPROM_ANTENNA_DYN_TXAGC	FIELD16(0x0200)
 #define EEPROM_ANTENNA_HARDWARE_RADIO	FIELD16(0x0400)
 #define EEPROM_ANTENNA_RF_TYPE		FIELD16(0xf800)

 /*
  * EEPROM NIC config.
  * CARDBUS_ACCEL: 0: enable, 1: disable.
  * DYN_BBP_TUNE: 0: enable, 1: disable.
  * CCK_TX_POWER: CCK TX power compensation.
  */
 #define EEPROM_NIC			0x000c
 #define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0001)
 #define EEPROM_NIC_DYN_BBP_TUNE		FIELD16(0x0002)
 #define EEPROM_NIC_CCK_TX_POWER		FIELD16(0x000c)

 /*
  * EEPROM geography.
  * GEO: Default geography setting for device.
  */
 #define EEPROM_GEOGRAPHY		0x000d
 #define EEPROM_GEOGRAPHY_GEO		FIELD16(0x0f00)

 /*
  * EEPROM BBP.
  */
 #define EEPROM_BBP_START		0x000e
 #define EEPROM_BBP_SIZE			16
 #define EEPROM_BBP_VALUE		FIELD16(0x00ff)
 #define EEPROM_BBP_REG_ID		FIELD16(0xff00)

 /*
  * EEPROM TXPOWER
  */
 #define EEPROM_TXPOWER_START		0x001e
 #define EEPROM_TXPOWER_SIZE		7
 #define EEPROM_TXPOWER_1		FIELD16(0x00ff)
 #define EEPROM_TXPOWER_2		FIELD16(0xff00)

 /*
  * EEPROM Tuning threshold
  */
 #define EEPROM_BBPTUNE			0x0030
 #define EEPROM_BBPTUNE_THRESHOLD	FIELD16(0x00ff)

 /*
  * EEPROM BBP R24 Tuning.
  */
 #define EEPROM_BBPTUNE_R24		0x0031
 #define EEPROM_BBPTUNE_R24_LOW		FIELD16(0x00ff)
 #define EEPROM_BBPTUNE_R24_HIGH		FIELD16(0xff00)

 /*
  * EEPROM BBP R25 Tuning.
  */
 #define EEPROM_BBPTUNE_R25		0x0032
 #define EEPROM_BBPTUNE_R25_LOW		FIELD16(0x00ff)
 #define EEPROM_BBPTUNE_R25_HIGH		FIELD16(0xff00)

 /*
  * EEPROM BBP R24 Tuning.
  */
 #define EEPROM_BBPTUNE_R61		0x0033
 #define EEPROM_BBPTUNE_R61_LOW		FIELD16(0x00ff)
 #define EEPROM_BBPTUNE_R61_HIGH		FIELD16(0xff00)

 /*
  * EEPROM BBP VGC Tuning.
  */
 #define EEPROM_BBPTUNE_VGC		0x0034
 #define EEPROM_BBPTUNE_VGCUPPER		FIELD16(0x00ff)
 #define EEPROM_BBPTUNE_VGCLOWER		FIELD16(0xff00)

 /*
  * EEPROM BBP R17 Tuning.
  */
 #define EEPROM_BBPTUNE_R17		0x0035
 #define EEPROM_BBPTUNE_R17_LOW		FIELD16(0x00ff)
 #define EEPROM_BBPTUNE_R17_HIGH		FIELD16(0xff00)

 /*
  * RSSI <-> dBm offset calibration
  */
 #define EEPROM_CALIBRATE_OFFSET		0x0036
 #define EEPROM_CALIBRATE_OFFSET_RSSI	FIELD16(0x00ff)

 /*
  * DMA descriptor defines.
  */
 #define TXD_DESC_SIZE			( 5 * sizeof(__le32) )
 #define RXD_DESC_SIZE			( 4 * sizeof(__le32) )

 /*
  * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
  */

 /*
  * Word0
  */
 #define TXD_W0_PACKET_ID		FIELD32(0x0000000f)
 #define TXD_W0_RETRY_LIMIT		FIELD32(0x000000f0)
 #define TXD_W0_MORE_FRAG		FIELD32(0x00000100)
 #define TXD_W0_ACK			FIELD32(0x00000200)
 #define TXD_W0_TIMESTAMP		FIELD32(0x00000400)
 #define TXD_W0_OFDM			FIELD32(0x00000800)
 #define TXD_W0_NEW_SEQ			FIELD32(0x00001000)
 #define TXD_W0_IFS			FIELD32(0x00006000)
 #define TXD_W0_DATABYTE_COUNT		FIELD32(0x0fff0000)
 #define TXD_W0_CIPHER			FIELD32(0x20000000)
 #define TXD_W0_KEY_ID			FIELD32(0xc0000000)

 /*
  * Word1
  */
 #define TXD_W1_IV_OFFSET		FIELD32(0x0000003f)
 #define TXD_W1_AIFS			FIELD32(0x000000c0)
 #define TXD_W1_CWMIN			FIELD32(0x00000f00)
 #define TXD_W1_CWMAX			FIELD32(0x0000f000)

 /*
  * Word2: PLCP information
  */
 #define TXD_W2_PLCP_SIGNAL		FIELD32(0x000000ff)
 #define TXD_W2_PLCP_SERVICE		FIELD32(0x0000ff00)
 #define TXD_W2_PLCP_LENGTH_LOW		FIELD32(0x00ff0000)
 #define TXD_W2_PLCP_LENGTH_HIGH		FIELD32(0xff000000)

 /*
  * Word3
  */
 #define TXD_W3_IV			FIELD32(0xffffffff)

 /*
  * Word4
  */
 #define TXD_W4_EIV			FIELD32(0xffffffff)

 /*
  * RX descriptor format for RX Ring.
  */

 /*
  * Word0
  */
 #define RXD_W0_UNICAST_TO_ME		FIELD32(0x00000002)
 #define RXD_W0_MULTICAST		FIELD32(0x00000004)
 #define RXD_W0_BROADCAST		FIELD32(0x00000008)
 #define RXD_W0_MY_BSS			FIELD32(0x00000010)
 #define RXD_W0_CRC_ERROR		FIELD32(0x00000020)
 #define RXD_W0_OFDM			FIELD32(0x00000040)
 #define RXD_W0_PHYSICAL_ERROR		FIELD32(0x00000080)
 #define RXD_W0_CIPHER			FIELD32(0x00000100)
 #define RXD_W0_CIPHER_ERROR		FIELD32(0x00000200)
 #define RXD_W0_DATABYTE_COUNT		FIELD32(0x0fff0000)

 /*
  * Word1
  */
 #define RXD_W1_RSSI			FIELD32(0x000000ff)
 #define RXD_W1_SIGNAL			FIELD32(0x0000ff00)

 /*
  * Word2
  */
 #define RXD_W2_IV			FIELD32(0xffffffff)

 /*
  * Word3
  */
 #define RXD_W3_EIV			FIELD32(0xffffffff)

 /*
  * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  */
 #define MIN_TXPOWER	0
 #define MAX_TXPOWER	31
 #define DEFAULT_TXPOWER	24

 #define TXPOWER_FROM_DEV(__txpower) \
 	(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

 #define TXPOWER_TO_DEV(__txpower) \
 	clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)

 #endif /* RT2500USB_H */
	/*
	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
	<http://rt2x00.serialmonkey.com>

	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; if not, see <http://www.gnu.org/licenses/>.
	*/

	/*
	Module: rt2500usb
	Abstract: Data structures and registers for the rt2500usb module.
	Supported chipsets: RT2570.
	*/

	#ifndef RT2500USB_H
	#define RT2500USB_H

	/*
	* RF chip defines.
	*/
	#define RF2522 0x0000
	#define RF2523 0x0001
	#define RF2524 0x0002
	#define RF2525 0x0003
	#define RF2525E 0x0005
	#define RF5222 0x0010

	/*
	* RT2570 version
	*/
	#define RT2570_VERSION_B 2
	#define RT2570_VERSION_C 3
	#define RT2570_VERSION_D 4

	/*
	* Signal information.
	* Default offset is required for RSSI <-> dBm conversion.
	*/
	#define DEFAULT_RSSI_OFFSET 120

	/*
	* Register layout information.
	*/
	#define CSR_REG_BASE 0x0400
	#define CSR_REG_SIZE 0x0100
	#define EEPROM_BASE 0x0000
	#define EEPROM_SIZE 0x006a
	#define BBP_BASE 0x0000
	#define BBP_SIZE 0x0060
	#define RF_BASE 0x0004
	#define RF_SIZE 0x0010

	/*
	* Number of TX queues.
	*/
	#define NUM_TX_QUEUES 2

	/*
	* Control/Status Registers(CSR).
	* Some values are set in TU, whereas 1 TU == 1024 us.
	*/

	/*
	* MAC_CSR0: ASIC revision number.
	*/
	#define MAC_CSR0 0x0400

	/*
	* MAC_CSR1: System control.
	* SOFT_RESET: Software reset, 1: reset, 0: normal.
	* BBP_RESET: Hardware reset, 1: reset, 0, release.
	* HOST_READY: Host ready after initialization.
	*/
	#define MAC_CSR1 0x0402
	#define MAC_CSR1_SOFT_RESET FIELD16(0x00000001)
	#define MAC_CSR1_BBP_RESET FIELD16(0x00000002)
	#define MAC_CSR1_HOST_READY FIELD16(0x00000004)

	/*
	* MAC_CSR2: STA MAC register 0.
	*/
	#define MAC_CSR2 0x0404
	#define MAC_CSR2_BYTE0 FIELD16(0x00ff)
	#define MAC_CSR2_BYTE1 FIELD16(0xff00)

	/*
	* MAC_CSR3: STA MAC register 1.
	*/
	#define MAC_CSR3 0x0406
	#define MAC_CSR3_BYTE2 FIELD16(0x00ff)
	#define MAC_CSR3_BYTE3 FIELD16(0xff00)

	/*
	* MAC_CSR4: STA MAC register 2.
	*/
	#define MAC_CSR4 0X0408
	#define MAC_CSR4_BYTE4 FIELD16(0x00ff)
	#define MAC_CSR4_BYTE5 FIELD16(0xff00)

	/*
	* MAC_CSR5: BSSID register 0.
	*/
	#define MAC_CSR5 0x040a
	#define MAC_CSR5_BYTE0 FIELD16(0x00ff)
	#define MAC_CSR5_BYTE1 FIELD16(0xff00)

	/*
	* MAC_CSR6: BSSID register 1.
	*/
	#define MAC_CSR6 0x040c
	#define MAC_CSR6_BYTE2 FIELD16(0x00ff)
	#define MAC_CSR6_BYTE3 FIELD16(0xff00)

	/*
	* MAC_CSR7: BSSID register 2.
	*/
	#define MAC_CSR7 0x040e
	#define MAC_CSR7_BYTE4 FIELD16(0x00ff)
	#define MAC_CSR7_BYTE5 FIELD16(0xff00)

	/*
	* MAC_CSR8: Max frame length.
	*/
	#define MAC_CSR8 0x0410
	#define MAC_CSR8_MAX_FRAME_UNIT FIELD16(0x0fff)

	/*
	* Misc MAC_CSR registers.
	* MAC_CSR9: Timer control.
	* MAC_CSR10: Slot time.
	* MAC_CSR11: SIFS.
	* MAC_CSR12: EIFS.
	* MAC_CSR13: Power mode0.
	* MAC_CSR14: Power mode1.
	* MAC_CSR15: Power saving transition0
	* MAC_CSR16: Power saving transition1
	*/
	#define MAC_CSR9 0x0412
	#define MAC_CSR10 0x0414
	#define MAC_CSR11 0x0416
	#define MAC_CSR12 0x0418
	#define MAC_CSR13 0x041a
	#define MAC_CSR14 0x041c
	#define MAC_CSR15 0x041e
	#define MAC_CSR16 0x0420

	/*
	* MAC_CSR17: Manual power control / status register.
	* Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
	* SET_STATE: Set state. Write 1 to trigger, self cleared.
	* BBP_DESIRE_STATE: BBP desired state.
	* RF_DESIRE_STATE: RF desired state.
	* BBP_CURRENT_STATE: BBP current state.
	* RF_CURRENT_STATE: RF current state.
	* PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
	*/
	#define MAC_CSR17 0x0422
	#define MAC_CSR17_SET_STATE FIELD16(0x0001)
	#define MAC_CSR17_BBP_DESIRE_STATE FIELD16(0x0006)
	#define MAC_CSR17_RF_DESIRE_STATE FIELD16(0x0018)
	#define MAC_CSR17_BBP_CURR_STATE FIELD16(0x0060)
	#define MAC_CSR17_RF_CURR_STATE FIELD16(0x0180)
	#define MAC_CSR17_PUT_TO_SLEEP FIELD16(0x0200)

	/*
	* MAC_CSR18: Wakeup timer register.
	* DELAY_AFTER_BEACON: Delay after Tbcn expired in units of 1/16 TU.
	* BEACONS_BEFORE_WAKEUP: Number of beacon before wakeup.
	* AUTO_WAKE: Enable auto wakeup / sleep mechanism.
	*/
	#define MAC_CSR18 0x0424
	#define MAC_CSR18_DELAY_AFTER_BEACON FIELD16(0x00ff)
	#define MAC_CSR18_BEACONS_BEFORE_WAKEUP FIELD16(0x7f00)
	#define MAC_CSR18_AUTO_WAKE FIELD16(0x8000)

	/*
	* MAC_CSR19: GPIO control register.
	* MAC_CSR19_VALx: GPIO value
	* MAC_CSR19_DIRx: GPIO direction: 0 = input; 1 = output
	*/
	#define MAC_CSR19 0x0426
	#define MAC_CSR19_VAL0 FIELD16(0x0001)
	#define MAC_CSR19_VAL1 FIELD16(0x0002)
	#define MAC_CSR19_VAL2 FIELD16(0x0004)
	#define MAC_CSR19_VAL3 FIELD16(0x0008)
	#define MAC_CSR19_VAL4 FIELD16(0x0010)
	#define MAC_CSR19_VAL5 FIELD16(0x0020)
	#define MAC_CSR19_VAL6 FIELD16(0x0040)
	#define MAC_CSR19_VAL7 FIELD16(0x0080)
	#define MAC_CSR19_DIR0 FIELD16(0x0100)
	#define MAC_CSR19_DIR1 FIELD16(0x0200)
	#define MAC_CSR19_DIR2 FIELD16(0x0400)
	#define MAC_CSR19_DIR3 FIELD16(0x0800)
	#define MAC_CSR19_DIR4 FIELD16(0x1000)
	#define MAC_CSR19_DIR5 FIELD16(0x2000)
	#define MAC_CSR19_DIR6 FIELD16(0x4000)
	#define MAC_CSR19_DIR7 FIELD16(0x8000)

	/*
	* MAC_CSR20: LED control register.
	* ACTIVITY: 0: idle, 1: active.
	* LINK: 0: linkoff, 1: linkup.
	* ACTIVITY_POLARITY: 0: active low, 1: active high.
	*/
	#define MAC_CSR20 0x0428
	#define MAC_CSR20_ACTIVITY FIELD16(0x0001)
	#define MAC_CSR20_LINK FIELD16(0x0002)
	#define MAC_CSR20_ACTIVITY_POLARITY FIELD16(0x0004)

	/*
	* MAC_CSR21: LED control register.
	* ON_PERIOD: On period, default 70ms.
	* OFF_PERIOD: Off period, default 30ms.
	*/
	#define MAC_CSR21 0x042a
	#define MAC_CSR21_ON_PERIOD FIELD16(0x00ff)
	#define MAC_CSR21_OFF_PERIOD FIELD16(0xff00)

	/*
	* MAC_CSR22: Collision window control register.
	*/
	#define MAC_CSR22 0x042c

	/*
	* Transmit related CSRs.
	* Some values are set in TU, whereas 1 TU == 1024 us.
	*/

	/*
	* TXRX_CSR0: Security control register.
	*/
	#define TXRX_CSR0 0x0440
	#define TXRX_CSR0_ALGORITHM FIELD16(0x0007)
	#define TXRX_CSR0_IV_OFFSET FIELD16(0x01f8)
	#define TXRX_CSR0_KEY_ID FIELD16(0x1e00)

	/*
	* TXRX_CSR1: TX configuration.
	* ACK_TIMEOUT: ACK Timeout in unit of 1-us.
	* TSF_OFFSET: TSF offset in MAC header.
	* AUTO_SEQUENCE: Let ASIC control frame sequence number.
	*/
	#define TXRX_CSR1 0x0442
	#define TXRX_CSR1_ACK_TIMEOUT FIELD16(0x00ff)
	#define TXRX_CSR1_TSF_OFFSET FIELD16(0x7f00)
	#define TXRX_CSR1_AUTO_SEQUENCE FIELD16(0x8000)

	/*
	* TXRX_CSR2: RX control.
	* DISABLE_RX: Disable rx engine.
	* DROP_CRC: Drop crc error.
	* DROP_PHYSICAL: Drop physical error.
	* DROP_CONTROL: Drop control frame.
	* DROP_NOT_TO_ME: Drop not to me unicast frame.
	* DROP_TODS: Drop frame tods bit is true.
	* DROP_VERSION_ERROR: Drop version error frame.
	* DROP_MCAST: Drop multicast frames.
	* DROP_BCAST: Drop broadcast frames.
	*/
	#define TXRX_CSR2 0x0444
	#define TXRX_CSR2_DISABLE_RX FIELD16(0x0001)
	#define TXRX_CSR2_DROP_CRC FIELD16(0x0002)
	#define TXRX_CSR2_DROP_PHYSICAL FIELD16(0x0004)
	#define TXRX_CSR2_DROP_CONTROL FIELD16(0x0008)
	#define TXRX_CSR2_DROP_NOT_TO_ME FIELD16(0x0010)
	#define TXRX_CSR2_DROP_TODS FIELD16(0x0020)
	#define TXRX_CSR2_DROP_VERSION_ERROR FIELD16(0x0040)
	#define TXRX_CSR2_DROP_MULTICAST FIELD16(0x0200)
	#define TXRX_CSR2_DROP_BROADCAST FIELD16(0x0400)

	/*
	* RX BBP ID registers
	* TXRX_CSR3: CCK RX BBP ID.
	* TXRX_CSR4: OFDM RX BBP ID.
	*/
	#define TXRX_CSR3 0x0446
	#define TXRX_CSR4 0x0448

	/*
	* TXRX_CSR5: CCK TX BBP ID0.
	*/
	#define TXRX_CSR5 0x044a
	#define TXRX_CSR5_BBP_ID0 FIELD16(0x007f)
	#define TXRX_CSR5_BBP_ID0_VALID FIELD16(0x0080)
	#define TXRX_CSR5_BBP_ID1 FIELD16(0x7f00)
	#define TXRX_CSR5_BBP_ID1_VALID FIELD16(0x8000)

	/*
	* TXRX_CSR6: CCK TX BBP ID1.
	*/
	#define TXRX_CSR6 0x044c
	#define TXRX_CSR6_BBP_ID0 FIELD16(0x007f)
	#define TXRX_CSR6_BBP_ID0_VALID FIELD16(0x0080)
	#define TXRX_CSR6_BBP_ID1 FIELD16(0x7f00)
	#define TXRX_CSR6_BBP_ID1_VALID FIELD16(0x8000)

	/*
	* TXRX_CSR7: OFDM TX BBP ID0.
	*/
	#define TXRX_CSR7 0x044e
	#define TXRX_CSR7_BBP_ID0 FIELD16(0x007f)
	#define TXRX_CSR7_BBP_ID0_VALID FIELD16(0x0080)
	#define TXRX_CSR7_BBP_ID1 FIELD16(0x7f00)
	#define TXRX_CSR7_BBP_ID1_VALID FIELD16(0x8000)

	/*
	* TXRX_CSR8: OFDM TX BBP ID1.
	*/
	#define TXRX_CSR8 0x0450
	#define TXRX_CSR8_BBP_ID0 FIELD16(0x007f)
	#define TXRX_CSR8_BBP_ID0_VALID FIELD16(0x0080)
	#define TXRX_CSR8_BBP_ID1 FIELD16(0x7f00)
	#define TXRX_CSR8_BBP_ID1_VALID FIELD16(0x8000)

	/*
	* TXRX_CSR9: TX ACK time-out.
	*/
	#define TXRX_CSR9 0x0452

	/*
	* TXRX_CSR10: Auto responder control.
	*/
	#define TXRX_CSR10 0x0454
	#define TXRX_CSR10_AUTORESPOND_PREAMBLE FIELD16(0x0004)

	/*
	* TXRX_CSR11: Auto responder basic rate.
	*/
	#define TXRX_CSR11 0x0456

	/*
	* ACK/CTS time registers.
	*/
	#define TXRX_CSR12 0x0458
	#define TXRX_CSR13 0x045a
	#define TXRX_CSR14 0x045c
	#define TXRX_CSR15 0x045e
	#define TXRX_CSR16 0x0460
	#define TXRX_CSR17 0x0462

	/*
	* TXRX_CSR18: Synchronization control register.
	*/
	#define TXRX_CSR18 0x0464
	#define TXRX_CSR18_OFFSET FIELD16(0x000f)
	#define TXRX_CSR18_INTERVAL FIELD16(0xfff0)

	/*
	* TXRX_CSR19: Synchronization control register.
	* TSF_COUNT: Enable TSF auto counting.
	* TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
	* TBCN: Enable Tbcn with reload value.
	* BEACON_GEN: Enable beacon generator.
	*/
	#define TXRX_CSR19 0x0466
	#define TXRX_CSR19_TSF_COUNT FIELD16(0x0001)
	#define TXRX_CSR19_TSF_SYNC FIELD16(0x0006)
	#define TXRX_CSR19_TBCN FIELD16(0x0008)
	#define TXRX_CSR19_BEACON_GEN FIELD16(0x0010)

	/*
	* TXRX_CSR20: Tx BEACON offset time control register.
	* OFFSET: In units of usec.
	* BCN_EXPECT_WINDOW: Default: 2^CWmin
	*/
	#define TXRX_CSR20 0x0468
	#define TXRX_CSR20_OFFSET FIELD16(0x1fff)
	#define TXRX_CSR20_BCN_EXPECT_WINDOW FIELD16(0xe000)

	/*
	* TXRX_CSR21
	*/
	#define TXRX_CSR21 0x046a

	/*
	* Encryption related CSRs.
	*
	*/

	/*
	* SEC_CSR0: Shared key 0, word 0
	* SEC_CSR1: Shared key 0, word 1
	* SEC_CSR2: Shared key 0, word 2
	* SEC_CSR3: Shared key 0, word 3
	* SEC_CSR4: Shared key 0, word 4
	* SEC_CSR5: Shared key 0, word 5
	* SEC_CSR6: Shared key 0, word 6
	* SEC_CSR7: Shared key 0, word 7
	*/
	#define SEC_CSR0 0x0480
	#define SEC_CSR1 0x0482
	#define SEC_CSR2 0x0484
	#define SEC_CSR3 0x0486
	#define SEC_CSR4 0x0488
	#define SEC_CSR5 0x048a
	#define SEC_CSR6 0x048c
	#define SEC_CSR7 0x048e

	/*
	* SEC_CSR8: Shared key 1, word 0
	* SEC_CSR9: Shared key 1, word 1
	* SEC_CSR10: Shared key 1, word 2
	* SEC_CSR11: Shared key 1, word 3
	* SEC_CSR12: Shared key 1, word 4
	* SEC_CSR13: Shared key 1, word 5
	* SEC_CSR14: Shared key 1, word 6
	* SEC_CSR15: Shared key 1, word 7
	*/
	#define SEC_CSR8 0x0490
	#define SEC_CSR9 0x0492
	#define SEC_CSR10 0x0494
	#define SEC_CSR11 0x0496
	#define SEC_CSR12 0x0498
	#define SEC_CSR13 0x049a
	#define SEC_CSR14 0x049c
	#define SEC_CSR15 0x049e

	/*
	* SEC_CSR16: Shared key 2, word 0
	* SEC_CSR17: Shared key 2, word 1
	* SEC_CSR18: Shared key 2, word 2
	* SEC_CSR19: Shared key 2, word 3
	* SEC_CSR20: Shared key 2, word 4
	* SEC_CSR21: Shared key 2, word 5
	* SEC_CSR22: Shared key 2, word 6
	* SEC_CSR23: Shared key 2, word 7
	*/
	#define SEC_CSR16 0x04a0
	#define SEC_CSR17 0x04a2
	#define SEC_CSR18 0X04A4
	#define SEC_CSR19 0x04a6
	#define SEC_CSR20 0x04a8
	#define SEC_CSR21 0x04aa
	#define SEC_CSR22 0x04ac
	#define SEC_CSR23 0x04ae

	/*
	* SEC_CSR24: Shared key 3, word 0
	* SEC_CSR25: Shared key 3, word 1
	* SEC_CSR26: Shared key 3, word 2
	* SEC_CSR27: Shared key 3, word 3
	* SEC_CSR28: Shared key 3, word 4
	* SEC_CSR29: Shared key 3, word 5
	* SEC_CSR30: Shared key 3, word 6
	* SEC_CSR31: Shared key 3, word 7
	*/
	#define SEC_CSR24 0x04b0
	#define SEC_CSR25 0x04b2
	#define SEC_CSR26 0x04b4
	#define SEC_CSR27 0x04b6
	#define SEC_CSR28 0x04b8
	#define SEC_CSR29 0x04ba
	#define SEC_CSR30 0x04bc
	#define SEC_CSR31 0x04be

	#define KEY_ENTRY(__idx) \
	( SEC_CSR0 + ((__idx) * 16) )

	/*
	* PHY control registers.
	*/

	/*
	* PHY_CSR0: RF switching timing control.
	*/
	#define PHY_CSR0 0x04c0

	/*
	* PHY_CSR1: TX PA configuration.
	*/
	#define PHY_CSR1 0x04c2

	/*
	* MAC configuration registers.
	*/

	/*
	* PHY_CSR2: TX MAC configuration.
	* NOTE: Both register fields are complete dummy,
	* documentation and legacy drivers are unclear un
	* what this register means or what fields exists.
	*/
	#define PHY_CSR2 0x04c4
	#define PHY_CSR2_LNA FIELD16(0x0002)
	#define PHY_CSR2_LNA_MODE FIELD16(0x3000)

	/*
	* PHY_CSR3: RX MAC configuration.
	*/
	#define PHY_CSR3 0x04c6

	/*
	* PHY_CSR4: Interface configuration.
	*/
	#define PHY_CSR4 0x04c8
	#define PHY_CSR4_LOW_RF_LE FIELD16(0x0001)

	/*
	* BBP pre-TX registers.
	* PHY_CSR5: BBP pre-TX CCK.
	*/
	#define PHY_CSR5 0x04ca
	#define PHY_CSR5_CCK FIELD16(0x0003)
	#define PHY_CSR5_CCK_FLIP FIELD16(0x0004)

	/*
	* BBP pre-TX registers.
	* PHY_CSR6: BBP pre-TX OFDM.
	*/
	#define PHY_CSR6 0x04cc
	#define PHY_CSR6_OFDM FIELD16(0x0003)
	#define PHY_CSR6_OFDM_FLIP FIELD16(0x0004)

	/*
	* PHY_CSR7: BBP access register 0.
	* BBP_DATA: BBP data.
	* BBP_REG_ID: BBP register ID.
	* BBP_READ_CONTROL: 0: write, 1: read.
	*/
	#define PHY_CSR7 0x04ce
	#define PHY_CSR7_DATA FIELD16(0x00ff)
	#define PHY_CSR7_REG_ID FIELD16(0x7f00)
	#define PHY_CSR7_READ_CONTROL FIELD16(0x8000)

	/*
	* PHY_CSR8: BBP access register 1.
	* BBP_BUSY: ASIC is busy execute BBP programming.
	*/
	#define PHY_CSR8 0x04d0
	#define PHY_CSR8_BUSY FIELD16(0x0001)

	/*
	* PHY_CSR9: RF access register.
	* RF_VALUE: Register value + id to program into rf/if.
	*/
	#define PHY_CSR9 0x04d2
	#define PHY_CSR9_RF_VALUE FIELD16(0xffff)

	/*
	* PHY_CSR10: RF access register.
	* RF_VALUE: Register value + id to program into rf/if.
	* RF_NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
	* RF_IF_SELECT: Chip to program: 0: rf, 1: if.
	* RF_PLL_LD: Rf pll_ld status.
	* RF_BUSY: 1: asic is busy execute rf programming.
	*/
	#define PHY_CSR10 0x04d4
	#define PHY_CSR10_RF_VALUE FIELD16(0x00ff)
	#define PHY_CSR10_RF_NUMBER_OF_BITS FIELD16(0x1f00)
	#define PHY_CSR10_RF_IF_SELECT FIELD16(0x2000)
	#define PHY_CSR10_RF_PLL_LD FIELD16(0x4000)
	#define PHY_CSR10_RF_BUSY FIELD16(0x8000)

	/*
	* STA_CSR0: FCS error count.
	* FCS_ERROR: FCS error count, cleared when read.
	*/
	#define STA_CSR0 0x04e0
	#define STA_CSR0_FCS_ERROR FIELD16(0xffff)

	/*
	* STA_CSR1: PLCP error count.
	*/
	#define STA_CSR1 0x04e2

	/*
	* STA_CSR2: LONG error count.
	*/
	#define STA_CSR2 0x04e4

	/*
	* STA_CSR3: CCA false alarm.
	* FALSE_CCA_ERROR: False CCA error count, cleared when read.
	*/
	#define STA_CSR3 0x04e6
	#define STA_CSR3_FALSE_CCA_ERROR FIELD16(0xffff)

	/*
	* STA_CSR4: RX FIFO overflow.
	*/
	#define STA_CSR4 0x04e8

	/*
	* STA_CSR5: Beacon sent counter.
	*/
	#define STA_CSR5 0x04ea

	/*
	* Statistics registers
	*/
	#define STA_CSR6 0x04ec
	#define STA_CSR7 0x04ee
	#define STA_CSR8 0x04f0
	#define STA_CSR9 0x04f2
	#define STA_CSR10 0x04f4

	/*
	* BBP registers.
	* The wordsize of the BBP is 8 bits.
	*/

	/*
	* R2: TX antenna control
	*/
	#define BBP_R2_TX_ANTENNA FIELD8(0x03)
	#define BBP_R2_TX_IQ_FLIP FIELD8(0x04)

	/*
	* R14: RX antenna control
	*/
	#define BBP_R14_RX_ANTENNA FIELD8(0x03)
	#define BBP_R14_RX_IQ_FLIP FIELD8(0x04)

	/*
	* RF registers.
	*/

	/*
	* RF 1
	*/
	#define RF1_TUNER FIELD32(0x00020000)

	/*
	* RF 3
	*/
	#define RF3_TUNER FIELD32(0x00000100)
	#define RF3_TXPOWER FIELD32(0x00003e00)

	/*
	* EEPROM contents.
	*/

	/*
	* HW MAC address.
	*/
	#define EEPROM_MAC_ADDR_0 0x0002
	#define EEPROM_MAC_ADDR_BYTE0 FIELD16(0x00ff)
	#define EEPROM_MAC_ADDR_BYTE1 FIELD16(0xff00)
	#define EEPROM_MAC_ADDR1 0x0003
	#define EEPROM_MAC_ADDR_BYTE2 FIELD16(0x00ff)
	#define EEPROM_MAC_ADDR_BYTE3 FIELD16(0xff00)
	#define EEPROM_MAC_ADDR_2 0x0004
	#define EEPROM_MAC_ADDR_BYTE4 FIELD16(0x00ff)
	#define EEPROM_MAC_ADDR_BYTE5 FIELD16(0xff00)

	/*
	* EEPROM antenna.
	* ANTENNA_NUM: Number of antenna's.
	* TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
	* RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
	* LED_MODE: 0: default, 1: TX/RX activity, 2: Single (ignore link), 3: rsvd.
	* DYN_TXAGC: Dynamic TX AGC control.
	* HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
	* RF_TYPE: Rf_type of this adapter.
	*/
	#define EEPROM_ANTENNA 0x000b
	#define EEPROM_ANTENNA_NUM FIELD16(0x0003)
	#define EEPROM_ANTENNA_TX_DEFAULT FIELD16(0x000c)
	#define EEPROM_ANTENNA_RX_DEFAULT FIELD16(0x0030)
	#define EEPROM_ANTENNA_LED_MODE FIELD16(0x01c0)
	#define EEPROM_ANTENNA_DYN_TXAGC FIELD16(0x0200)
	#define EEPROM_ANTENNA_HARDWARE_RADIO FIELD16(0x0400)
	#define EEPROM_ANTENNA_RF_TYPE FIELD16(0xf800)

	/*
	* EEPROM NIC config.
	* CARDBUS_ACCEL: 0: enable, 1: disable.
	* DYN_BBP_TUNE: 0: enable, 1: disable.
	* CCK_TX_POWER: CCK TX power compensation.
	*/
	#define EEPROM_NIC 0x000c
	#define EEPROM_NIC_CARDBUS_ACCEL FIELD16(0x0001)
	#define EEPROM_NIC_DYN_BBP_TUNE FIELD16(0x0002)
	#define EEPROM_NIC_CCK_TX_POWER FIELD16(0x000c)

	/*
	* EEPROM geography.
	* GEO: Default geography setting for device.
	*/
	#define EEPROM_GEOGRAPHY 0x000d
	#define EEPROM_GEOGRAPHY_GEO FIELD16(0x0f00)

	/*
	* EEPROM BBP.
	*/
	#define EEPROM_BBP_START 0x000e
	#define EEPROM_BBP_SIZE 16
	#define EEPROM_BBP_VALUE FIELD16(0x00ff)
	#define EEPROM_BBP_REG_ID FIELD16(0xff00)

	/*
	* EEPROM TXPOWER
	*/
	#define EEPROM_TXPOWER_START 0x001e
	#define EEPROM_TXPOWER_SIZE 7
	#define EEPROM_TXPOWER_1 FIELD16(0x00ff)
	#define EEPROM_TXPOWER_2 FIELD16(0xff00)

	/*
	* EEPROM Tuning threshold
	*/
	#define EEPROM_BBPTUNE 0x0030
	#define EEPROM_BBPTUNE_THRESHOLD FIELD16(0x00ff)

	/*
	* EEPROM BBP R24 Tuning.
	*/
	#define EEPROM_BBPTUNE_R24 0x0031
	#define EEPROM_BBPTUNE_R24_LOW FIELD16(0x00ff)
	#define EEPROM_BBPTUNE_R24_HIGH FIELD16(0xff00)

	/*
	* EEPROM BBP R25 Tuning.
	*/
	#define EEPROM_BBPTUNE_R25 0x0032
	#define EEPROM_BBPTUNE_R25_LOW FIELD16(0x00ff)
	#define EEPROM_BBPTUNE_R25_HIGH FIELD16(0xff00)

	/*
	* EEPROM BBP R24 Tuning.
	*/
	#define EEPROM_BBPTUNE_R61 0x0033
	#define EEPROM_BBPTUNE_R61_LOW FIELD16(0x00ff)
	#define EEPROM_BBPTUNE_R61_HIGH FIELD16(0xff00)

	/*
	* EEPROM BBP VGC Tuning.
	*/
	#define EEPROM_BBPTUNE_VGC 0x0034
	#define EEPROM_BBPTUNE_VGCUPPER FIELD16(0x00ff)
	#define EEPROM_BBPTUNE_VGCLOWER FIELD16(0xff00)

	/*
	* EEPROM BBP R17 Tuning.
	*/
	#define EEPROM_BBPTUNE_R17 0x0035
	#define EEPROM_BBPTUNE_R17_LOW FIELD16(0x00ff)
	#define EEPROM_BBPTUNE_R17_HIGH FIELD16(0xff00)

	/*
	* RSSI <-> dBm offset calibration
	*/
	#define EEPROM_CALIBRATE_OFFSET 0x0036
	#define EEPROM_CALIBRATE_OFFSET_RSSI FIELD16(0x00ff)

	/*
	* DMA descriptor defines.
	*/
	#define TXD_DESC_SIZE ( 5 * sizeof(__le32) )
	#define RXD_DESC_SIZE ( 4 * sizeof(__le32) )

	/*
	* TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
	*/

	/*
	* Word0
	*/
	#define TXD_W0_PACKET_ID FIELD32(0x0000000f)
	#define TXD_W0_RETRY_LIMIT FIELD32(0x000000f0)
	#define TXD_W0_MORE_FRAG FIELD32(0x00000100)
	#define TXD_W0_ACK FIELD32(0x00000200)
	#define TXD_W0_TIMESTAMP FIELD32(0x00000400)
	#define TXD_W0_OFDM FIELD32(0x00000800)
	#define TXD_W0_NEW_SEQ FIELD32(0x00001000)
	#define TXD_W0_IFS FIELD32(0x00006000)
	#define TXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)
	#define TXD_W0_CIPHER FIELD32(0x20000000)
	#define TXD_W0_KEY_ID FIELD32(0xc0000000)

	/*
	* Word1
	*/
	#define TXD_W1_IV_OFFSET FIELD32(0x0000003f)
	#define TXD_W1_AIFS FIELD32(0x000000c0)
	#define TXD_W1_CWMIN FIELD32(0x00000f00)
	#define TXD_W1_CWMAX FIELD32(0x0000f000)

	/*
	* Word2: PLCP information
	*/
	#define TXD_W2_PLCP_SIGNAL FIELD32(0x000000ff)
	#define TXD_W2_PLCP_SERVICE FIELD32(0x0000ff00)
	#define TXD_W2_PLCP_LENGTH_LOW FIELD32(0x00ff0000)
	#define TXD_W2_PLCP_LENGTH_HIGH FIELD32(0xff000000)

	/*
	* Word3
	*/
	#define TXD_W3_IV FIELD32(0xffffffff)

	/*
	* Word4
	*/
	#define TXD_W4_EIV FIELD32(0xffffffff)

	/*
	* RX descriptor format for RX Ring.
	*/

	/*
	* Word0
	*/
	#define RXD_W0_UNICAST_TO_ME FIELD32(0x00000002)
	#define RXD_W0_MULTICAST FIELD32(0x00000004)
	#define RXD_W0_BROADCAST FIELD32(0x00000008)
	#define RXD_W0_MY_BSS FIELD32(0x00000010)
	#define RXD_W0_CRC_ERROR FIELD32(0x00000020)
	#define RXD_W0_OFDM FIELD32(0x00000040)
	#define RXD_W0_PHYSICAL_ERROR FIELD32(0x00000080)
	#define RXD_W0_CIPHER FIELD32(0x00000100)
	#define RXD_W0_CIPHER_ERROR FIELD32(0x00000200)
	#define RXD_W0_DATABYTE_COUNT FIELD32(0x0fff0000)

	/*
	* Word1
	*/
	#define RXD_W1_RSSI FIELD32(0x000000ff)
	#define RXD_W1_SIGNAL FIELD32(0x0000ff00)

	/*
	* Word2
	*/
	#define RXD_W2_IV FIELD32(0xffffffff)

	/*
	* Word3
	*/
	#define RXD_W3_EIV FIELD32(0xffffffff)

	/*
	* Macros for converting txpower from EEPROM to mac80211 value
	* and from mac80211 value to register value.
	*/
	#define MIN_TXPOWER 0
	#define MAX_TXPOWER 31
	#define DEFAULT_TXPOWER 24

	#define TXPOWER_FROM_DEV(__txpower) \
	(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

	#define TXPOWER_TO_DEV(__txpower) \
	clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)

	#endif /* RT2500USB_H */