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kernel/linux-rt-4.4.41/drivers/net/wireless/rt2x00/rt2400pci.h 27.2 KB
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  /*
  	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: rt2400pci
  	Abstract: Data structures and registers for the rt2400pci module.
  	Supported chipsets: RT2460.
   */
  
  #ifndef RT2400PCI_H
  #define RT2400PCI_H
  
  /*
   * RF chip defines.
   */
  #define RF2420				0x0000
  #define RF2421				0x0001
  
  /*
   * Signal information.
   * Default offset is required for RSSI <-> dBm conversion.
   */
  #define DEFAULT_RSSI_OFFSET		100
  
  /*
   * Register layout information.
   */
  #define CSR_REG_BASE			0x0000
  #define CSR_REG_SIZE			0x014c
  #define EEPROM_BASE			0x0000
  #define EEPROM_SIZE			0x0100
  #define BBP_BASE			0x0000
  #define BBP_SIZE			0x0020
  #define RF_BASE				0x0004
  #define RF_SIZE				0x000c
  
  /*
   * Number of TX queues.
   */
  #define NUM_TX_QUEUES			2
  
  /*
   * Control/Status Registers(CSR).
   * Some values are set in TU, whereas 1 TU == 1024 us.
   */
  
  /*
   * CSR0: ASIC revision number.
   */
  #define CSR0				0x0000
  #define CSR0_REVISION			FIELD32(0x0000ffff)
  
  /*
   * CSR1: System control register.
   * SOFT_RESET: Software reset, 1: reset, 0: normal.
   * BBP_RESET: Hardware reset, 1: reset, 0, release.
   * HOST_READY: Host ready after initialization.
   */
  #define CSR1				0x0004
  #define CSR1_SOFT_RESET			FIELD32(0x00000001)
  #define CSR1_BBP_RESET			FIELD32(0x00000002)
  #define CSR1_HOST_READY			FIELD32(0x00000004)
  
  /*
   * CSR2: System admin status register (invalid).
   */
  #define CSR2				0x0008
  
  /*
   * CSR3: STA MAC address register 0.
   */
  #define CSR3				0x000c
  #define CSR3_BYTE0			FIELD32(0x000000ff)
  #define CSR3_BYTE1			FIELD32(0x0000ff00)
  #define CSR3_BYTE2			FIELD32(0x00ff0000)
  #define CSR3_BYTE3			FIELD32(0xff000000)
  
  /*
   * CSR4: STA MAC address register 1.
   */
  #define CSR4				0x0010
  #define CSR4_BYTE4			FIELD32(0x000000ff)
  #define CSR4_BYTE5			FIELD32(0x0000ff00)
  
  /*
   * CSR5: BSSID register 0.
   */
  #define CSR5				0x0014
  #define CSR5_BYTE0			FIELD32(0x000000ff)
  #define CSR5_BYTE1			FIELD32(0x0000ff00)
  #define CSR5_BYTE2			FIELD32(0x00ff0000)
  #define CSR5_BYTE3			FIELD32(0xff000000)
  
  /*
   * CSR6: BSSID register 1.
   */
  #define CSR6				0x0018
  #define CSR6_BYTE4			FIELD32(0x000000ff)
  #define CSR6_BYTE5			FIELD32(0x0000ff00)
  
  /*
   * CSR7: Interrupt source register.
   * Write 1 to clear interrupt.
   * TBCN_EXPIRE: Beacon timer expired interrupt.
   * TWAKE_EXPIRE: Wakeup timer expired interrupt.
   * TATIMW_EXPIRE: Timer of atim window expired interrupt.
   * TXDONE_TXRING: Tx ring transmit done interrupt.
   * TXDONE_ATIMRING: Atim ring transmit done interrupt.
   * TXDONE_PRIORING: Priority ring transmit done interrupt.
   * RXDONE: Receive done interrupt.
   */
  #define CSR7				0x001c
  #define CSR7_TBCN_EXPIRE		FIELD32(0x00000001)
  #define CSR7_TWAKE_EXPIRE		FIELD32(0x00000002)
  #define CSR7_TATIMW_EXPIRE		FIELD32(0x00000004)
  #define CSR7_TXDONE_TXRING		FIELD32(0x00000008)
  #define CSR7_TXDONE_ATIMRING		FIELD32(0x00000010)
  #define CSR7_TXDONE_PRIORING		FIELD32(0x00000020)
  #define CSR7_RXDONE			FIELD32(0x00000040)
  
  /*
   * CSR8: Interrupt mask register.
   * Write 1 to mask interrupt.
   * TBCN_EXPIRE: Beacon timer expired interrupt.
   * TWAKE_EXPIRE: Wakeup timer expired interrupt.
   * TATIMW_EXPIRE: Timer of atim window expired interrupt.
   * TXDONE_TXRING: Tx ring transmit done interrupt.
   * TXDONE_ATIMRING: Atim ring transmit done interrupt.
   * TXDONE_PRIORING: Priority ring transmit done interrupt.
   * RXDONE: Receive done interrupt.
   */
  #define CSR8				0x0020
  #define CSR8_TBCN_EXPIRE		FIELD32(0x00000001)
  #define CSR8_TWAKE_EXPIRE		FIELD32(0x00000002)
  #define CSR8_TATIMW_EXPIRE		FIELD32(0x00000004)
  #define CSR8_TXDONE_TXRING		FIELD32(0x00000008)
  #define CSR8_TXDONE_ATIMRING		FIELD32(0x00000010)
  #define CSR8_TXDONE_PRIORING		FIELD32(0x00000020)
  #define CSR8_RXDONE			FIELD32(0x00000040)
  
  /*
   * CSR9: Maximum frame length register.
   * MAX_FRAME_UNIT: Maximum frame length in 128b unit, default: 12.
   */
  #define CSR9				0x0024
  #define CSR9_MAX_FRAME_UNIT		FIELD32(0x00000f80)
  
  /*
   * CSR11: Back-off control register.
   * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
   * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
   * SLOT_TIME: Slot time, default is 20us for 802.11b.
   * LONG_RETRY: Long retry count.
   * SHORT_RETRY: Short retry count.
   */
  #define CSR11				0x002c
  #define CSR11_CWMIN			FIELD32(0x0000000f)
  #define CSR11_CWMAX			FIELD32(0x000000f0)
  #define CSR11_SLOT_TIME			FIELD32(0x00001f00)
  #define CSR11_LONG_RETRY		FIELD32(0x00ff0000)
  #define CSR11_SHORT_RETRY		FIELD32(0xff000000)
  
  /*
   * CSR12: Synchronization configuration register 0.
   * All units in 1/16 TU.
   * BEACON_INTERVAL: Beacon interval, default is 100 TU.
   * CFPMAX_DURATION: Cfp maximum duration, default is 100 TU.
   */
  #define CSR12				0x0030
  #define CSR12_BEACON_INTERVAL		FIELD32(0x0000ffff)
  #define CSR12_CFP_MAX_DURATION		FIELD32(0xffff0000)
  
  /*
   * CSR13: Synchronization configuration register 1.
   * All units in 1/16 TU.
   * ATIMW_DURATION: Atim window duration.
   * CFP_PERIOD: Cfp period, default is 0 TU.
   */
  #define CSR13				0x0034
  #define CSR13_ATIMW_DURATION		FIELD32(0x0000ffff)
  #define CSR13_CFP_PERIOD		FIELD32(0x00ff0000)
  
  /*
   * CSR14: 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.
   * TCFP: Enable tcfp & cfp / cp switching.
   * TATIMW: Enable tatimw & atim window switching.
   * BEACON_GEN: Enable beacon generator.
   * CFP_COUNT_PRELOAD: Cfp count preload value.
   * TBCM_PRELOAD: Tbcn preload value in units of 64us.
   */
  #define CSR14				0x0038
  #define CSR14_TSF_COUNT			FIELD32(0x00000001)
  #define CSR14_TSF_SYNC			FIELD32(0x00000006)
  #define CSR14_TBCN			FIELD32(0x00000008)
  #define CSR14_TCFP			FIELD32(0x00000010)
  #define CSR14_TATIMW			FIELD32(0x00000020)
  #define CSR14_BEACON_GEN		FIELD32(0x00000040)
  #define CSR14_CFP_COUNT_PRELOAD		FIELD32(0x0000ff00)
  #define CSR14_TBCM_PRELOAD		FIELD32(0xffff0000)
  
  /*
   * CSR15: Synchronization status register.
   * CFP: ASIC is in contention-free period.
   * ATIMW: ASIC is in ATIM window.
   * BEACON_SENT: Beacon is send.
   */
  #define CSR15				0x003c
  #define CSR15_CFP			FIELD32(0x00000001)
  #define CSR15_ATIMW			FIELD32(0x00000002)
  #define CSR15_BEACON_SENT		FIELD32(0x00000004)
  
  /*
   * CSR16: TSF timer register 0.
   */
  #define CSR16				0x0040
  #define CSR16_LOW_TSFTIMER		FIELD32(0xffffffff)
  
  /*
   * CSR17: TSF timer register 1.
   */
  #define CSR17				0x0044
  #define CSR17_HIGH_TSFTIMER		FIELD32(0xffffffff)
  
  /*
   * CSR18: IFS timer register 0.
   * SIFS: Sifs, default is 10 us.
   * PIFS: Pifs, default is 30 us.
   */
  #define CSR18				0x0048
  #define CSR18_SIFS			FIELD32(0x0000ffff)
  #define CSR18_PIFS			FIELD32(0xffff0000)
  
  /*
   * CSR19: IFS timer register 1.
   * DIFS: Difs, default is 50 us.
   * EIFS: Eifs, default is 364 us.
   */
  #define CSR19				0x004c
  #define CSR19_DIFS			FIELD32(0x0000ffff)
  #define CSR19_EIFS			FIELD32(0xffff0000)
  
  /*
   * CSR20: Wakeup timer register.
   * DELAY_AFTER_TBCN: Delay after tbcn expired in units of 1/16 TU.
   * TBCN_BEFORE_WAKEUP: Number of beacon before wakeup.
   * AUTOWAKE: Enable auto wakeup / sleep mechanism.
   */
  #define CSR20				0x0050
  #define CSR20_DELAY_AFTER_TBCN		FIELD32(0x0000ffff)
  #define CSR20_TBCN_BEFORE_WAKEUP	FIELD32(0x00ff0000)
  #define CSR20_AUTOWAKE			FIELD32(0x01000000)
  
  /*
   * CSR21: EEPROM control register.
   * RELOAD: Write 1 to reload eeprom content.
   * TYPE_93C46: 1: 93c46, 0:93c66.
   */
  #define CSR21				0x0054
  #define CSR21_RELOAD			FIELD32(0x00000001)
  #define CSR21_EEPROM_DATA_CLOCK		FIELD32(0x00000002)
  #define CSR21_EEPROM_CHIP_SELECT	FIELD32(0x00000004)
  #define CSR21_EEPROM_DATA_IN		FIELD32(0x00000008)
  #define CSR21_EEPROM_DATA_OUT		FIELD32(0x00000010)
  #define CSR21_TYPE_93C46		FIELD32(0x00000020)
  
  /*
   * CSR22: CFP control register.
   * CFP_DURATION_REMAIN: Cfp duration remain, in units of TU.
   * RELOAD_CFP_DURATION: Write 1 to reload cfp duration remain.
   */
  #define CSR22				0x0058
  #define CSR22_CFP_DURATION_REMAIN	FIELD32(0x0000ffff)
  #define CSR22_RELOAD_CFP_DURATION	FIELD32(0x00010000)
  
  /*
   * Transmit related CSRs.
   * Some values are set in TU, whereas 1 TU == 1024 us.
   */
  
  /*
   * TXCSR0: TX Control Register.
   * KICK_TX: Kick tx ring.
   * KICK_ATIM: Kick atim ring.
   * KICK_PRIO: Kick priority ring.
   * ABORT: Abort all transmit related ring operation.
   */
  #define TXCSR0				0x0060
  #define TXCSR0_KICK_TX			FIELD32(0x00000001)
  #define TXCSR0_KICK_ATIM		FIELD32(0x00000002)
  #define TXCSR0_KICK_PRIO		FIELD32(0x00000004)
  #define TXCSR0_ABORT			FIELD32(0x00000008)
  
  /*
   * TXCSR1: TX Configuration Register.
   * ACK_TIMEOUT: Ack timeout, default = sifs + 2*slottime + acktime @ 1mbps.
   * ACK_CONSUME_TIME: Ack consume time, default = sifs + acktime @ 1mbps.
   * TSF_OFFSET: Insert tsf offset.
   * AUTORESPONDER: Enable auto responder which include ack & cts.
   */
  #define TXCSR1				0x0064
  #define TXCSR1_ACK_TIMEOUT		FIELD32(0x000001ff)
  #define TXCSR1_ACK_CONSUME_TIME		FIELD32(0x0003fe00)
  #define TXCSR1_TSF_OFFSET		FIELD32(0x00fc0000)
  #define TXCSR1_AUTORESPONDER		FIELD32(0x01000000)
  
  /*
   * TXCSR2: Tx descriptor configuration register.
   * TXD_SIZE: Tx descriptor size, default is 48.
   * NUM_TXD: Number of tx entries in ring.
   * NUM_ATIM: Number of atim entries in ring.
   * NUM_PRIO: Number of priority entries in ring.
   */
  #define TXCSR2				0x0068
  #define TXCSR2_TXD_SIZE			FIELD32(0x000000ff)
  #define TXCSR2_NUM_TXD			FIELD32(0x0000ff00)
  #define TXCSR2_NUM_ATIM			FIELD32(0x00ff0000)
  #define TXCSR2_NUM_PRIO			FIELD32(0xff000000)
  
  /*
   * TXCSR3: TX Ring Base address register.
   */
  #define TXCSR3				0x006c
  #define TXCSR3_TX_RING_REGISTER		FIELD32(0xffffffff)
  
  /*
   * TXCSR4: TX Atim Ring Base address register.
   */
  #define TXCSR4				0x0070
  #define TXCSR4_ATIM_RING_REGISTER	FIELD32(0xffffffff)
  
  /*
   * TXCSR5: TX Prio Ring Base address register.
   */
  #define TXCSR5				0x0074
  #define TXCSR5_PRIO_RING_REGISTER	FIELD32(0xffffffff)
  
  /*
   * TXCSR6: Beacon Base address register.
   */
  #define TXCSR6				0x0078
  #define TXCSR6_BEACON_RING_REGISTER	FIELD32(0xffffffff)
  
  /*
   * TXCSR7: Auto responder control register.
   * AR_POWERMANAGEMENT: Auto responder power management bit.
   */
  #define TXCSR7				0x007c
  #define TXCSR7_AR_POWERMANAGEMENT	FIELD32(0x00000001)
  
  /*
   * Receive related CSRs.
   * Some values are set in TU, whereas 1 TU == 1024 us.
   */
  
  /*
   * RXCSR0: RX Control Register.
   * 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.
   * PASS_CRC: Pass all packets with crc attached.
   */
  #define RXCSR0				0x0080
  #define RXCSR0_DISABLE_RX		FIELD32(0x00000001)
  #define RXCSR0_DROP_CRC			FIELD32(0x00000002)
  #define RXCSR0_DROP_PHYSICAL		FIELD32(0x00000004)
  #define RXCSR0_DROP_CONTROL		FIELD32(0x00000008)
  #define RXCSR0_DROP_NOT_TO_ME		FIELD32(0x00000010)
  #define RXCSR0_DROP_TODS		FIELD32(0x00000020)
  #define RXCSR0_DROP_VERSION_ERROR	FIELD32(0x00000040)
  #define RXCSR0_PASS_CRC			FIELD32(0x00000080)
  
  /*
   * RXCSR1: RX descriptor configuration register.
   * RXD_SIZE: Rx descriptor size, default is 32b.
   * NUM_RXD: Number of rx entries in ring.
   */
  #define RXCSR1				0x0084
  #define RXCSR1_RXD_SIZE			FIELD32(0x000000ff)
  #define RXCSR1_NUM_RXD			FIELD32(0x0000ff00)
  
  /*
   * RXCSR2: RX Ring base address register.
   */
  #define RXCSR2				0x0088
  #define RXCSR2_RX_RING_REGISTER		FIELD32(0xffffffff)
  
  /*
   * RXCSR3: BBP ID register for Rx operation.
   * BBP_ID#: BBP register # id.
   * BBP_ID#_VALID: BBP register # id is valid or not.
   */
  #define RXCSR3				0x0090
  #define RXCSR3_BBP_ID0			FIELD32(0x0000007f)
  #define RXCSR3_BBP_ID0_VALID		FIELD32(0x00000080)
  #define RXCSR3_BBP_ID1			FIELD32(0x00007f00)
  #define RXCSR3_BBP_ID1_VALID		FIELD32(0x00008000)
  #define RXCSR3_BBP_ID2			FIELD32(0x007f0000)
  #define RXCSR3_BBP_ID2_VALID		FIELD32(0x00800000)
  #define RXCSR3_BBP_ID3			FIELD32(0x7f000000)
  #define RXCSR3_BBP_ID3_VALID		FIELD32(0x80000000)
  
  /*
   * RXCSR4: BBP ID register for Rx operation.
   * BBP_ID#: BBP register # id.
   * BBP_ID#_VALID: BBP register # id is valid or not.
   */
  #define RXCSR4				0x0094
  #define RXCSR4_BBP_ID4			FIELD32(0x0000007f)
  #define RXCSR4_BBP_ID4_VALID		FIELD32(0x00000080)
  #define RXCSR4_BBP_ID5			FIELD32(0x00007f00)
  #define RXCSR4_BBP_ID5_VALID		FIELD32(0x00008000)
  
  /*
   * ARCSR0: Auto Responder PLCP config register 0.
   * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
   * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
   */
  #define ARCSR0				0x0098
  #define ARCSR0_AR_BBP_DATA0		FIELD32(0x000000ff)
  #define ARCSR0_AR_BBP_ID0		FIELD32(0x0000ff00)
  #define ARCSR0_AR_BBP_DATA1		FIELD32(0x00ff0000)
  #define ARCSR0_AR_BBP_ID1		FIELD32(0xff000000)
  
  /*
   * ARCSR1: Auto Responder PLCP config register 1.
   * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
   * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
   */
  #define ARCSR1				0x009c
  #define ARCSR1_AR_BBP_DATA2		FIELD32(0x000000ff)
  #define ARCSR1_AR_BBP_ID2		FIELD32(0x0000ff00)
  #define ARCSR1_AR_BBP_DATA3		FIELD32(0x00ff0000)
  #define ARCSR1_AR_BBP_ID3		FIELD32(0xff000000)
  
  /*
   * Miscellaneous Registers.
   * Some values are set in TU, whereas 1 TU == 1024 us.
   */
  
  /*
   * PCICSR: PCI control register.
   * BIG_ENDIAN: 1: big endian, 0: little endian.
   * RX_TRESHOLD: Rx threshold in dw to start pci access
   * 0: 16dw (default), 1: 8dw, 2: 4dw, 3: 32dw.
   * TX_TRESHOLD: Tx threshold in dw to start pci access
   * 0: 0dw (default), 1: 1dw, 2: 4dw, 3: forward.
   * BURST_LENTH: Pci burst length 0: 4dw (default, 1: 8dw, 2: 16dw, 3:32dw.
   * ENABLE_CLK: Enable clk_run, pci clock can't going down to non-operational.
   */
  #define PCICSR				0x008c
  #define PCICSR_BIG_ENDIAN		FIELD32(0x00000001)
  #define PCICSR_RX_TRESHOLD		FIELD32(0x00000006)
  #define PCICSR_TX_TRESHOLD		FIELD32(0x00000018)
  #define PCICSR_BURST_LENTH		FIELD32(0x00000060)
  #define PCICSR_ENABLE_CLK		FIELD32(0x00000080)
  
  /*
   * CNT0: FCS error count.
   * FCS_ERROR: FCS error count, cleared when read.
   */
  #define CNT0				0x00a0
  #define CNT0_FCS_ERROR			FIELD32(0x0000ffff)
  
  /*
   * Statistic Register.
   * CNT1: PLCP error count.
   * CNT2: Long error count.
   * CNT3: CCA false alarm count.
   * CNT4: Rx FIFO overflow count.
   * CNT5: Tx FIFO underrun count.
   */
  #define TIMECSR2			0x00a8
  #define CNT1				0x00ac
  #define CNT2				0x00b0
  #define TIMECSR3			0x00b4
  #define CNT3				0x00b8
  #define CNT4				0x00bc
  #define CNT5				0x00c0
  
  /*
   * Baseband Control Register.
   */
  
  /*
   * PWRCSR0: Power mode configuration register.
   */
  #define PWRCSR0				0x00c4
  
  /*
   * Power state transition time registers.
   */
  #define PSCSR0				0x00c8
  #define PSCSR1				0x00cc
  #define PSCSR2				0x00d0
  #define PSCSR3				0x00d4
  
  /*
   * PWRCSR1: 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_CURR_STATE: BBP current state.
   * RF_CURR_STATE: RF current state.
   * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
   */
  #define PWRCSR1				0x00d8
  #define PWRCSR1_SET_STATE		FIELD32(0x00000001)
  #define PWRCSR1_BBP_DESIRE_STATE	FIELD32(0x00000006)
  #define PWRCSR1_RF_DESIRE_STATE		FIELD32(0x00000018)
  #define PWRCSR1_BBP_CURR_STATE		FIELD32(0x00000060)
  #define PWRCSR1_RF_CURR_STATE		FIELD32(0x00000180)
  #define PWRCSR1_PUT_TO_SLEEP		FIELD32(0x00000200)
  
  /*
   * TIMECSR: Timer control register.
   * US_COUNT: 1 us timer count in units of clock cycles.
   * US_64_COUNT: 64 us timer count in units of 1 us timer.
   * BEACON_EXPECT: Beacon expect window.
   */
  #define TIMECSR				0x00dc
  #define TIMECSR_US_COUNT		FIELD32(0x000000ff)
  #define TIMECSR_US_64_COUNT		FIELD32(0x0000ff00)
  #define TIMECSR_BEACON_EXPECT		FIELD32(0x00070000)
  
  /*
   * MACCSR0: MAC configuration register 0.
   */
  #define MACCSR0				0x00e0
  
  /*
   * MACCSR1: MAC configuration register 1.
   * KICK_RX: Kick one-shot rx in one-shot rx mode.
   * ONESHOT_RXMODE: Enable one-shot rx mode for debugging.
   * BBPRX_RESET_MODE: Ralink bbp rx reset mode.
   * AUTO_TXBBP: Auto tx logic access bbp control register.
   * AUTO_RXBBP: Auto rx logic access bbp control register.
   * LOOPBACK: Loopback mode. 0: normal, 1: internal, 2: external, 3:rsvd.
   * INTERSIL_IF: Intersil if calibration pin.
   */
  #define MACCSR1				0x00e4
  #define MACCSR1_KICK_RX			FIELD32(0x00000001)
  #define MACCSR1_ONESHOT_RXMODE		FIELD32(0x00000002)
  #define MACCSR1_BBPRX_RESET_MODE	FIELD32(0x00000004)
  #define MACCSR1_AUTO_TXBBP		FIELD32(0x00000008)
  #define MACCSR1_AUTO_RXBBP		FIELD32(0x00000010)
  #define MACCSR1_LOOPBACK		FIELD32(0x00000060)
  #define MACCSR1_INTERSIL_IF		FIELD32(0x00000080)
  
  /*
   * RALINKCSR: Ralink Rx auto-reset BBCR.
   * AR_BBP_DATA#: Auto reset BBP register # data.
   * AR_BBP_ID#: Auto reset BBP register # id.
   */
  #define RALINKCSR			0x00e8
  #define RALINKCSR_AR_BBP_DATA0		FIELD32(0x000000ff)
  #define RALINKCSR_AR_BBP_ID0		FIELD32(0x0000ff00)
  #define RALINKCSR_AR_BBP_DATA1		FIELD32(0x00ff0000)
  #define RALINKCSR_AR_BBP_ID1		FIELD32(0xff000000)
  
  /*
   * BCNCSR: Beacon interval control register.
   * CHANGE: Write one to change beacon interval.
   * DELTATIME: The delta time value.
   * NUM_BEACON: Number of beacon according to mode.
   * MODE: Please refer to asic specs.
   * PLUS: Plus or minus delta time value.
   */
  #define BCNCSR				0x00ec
  #define BCNCSR_CHANGE			FIELD32(0x00000001)
  #define BCNCSR_DELTATIME		FIELD32(0x0000001e)
  #define BCNCSR_NUM_BEACON		FIELD32(0x00001fe0)
  #define BCNCSR_MODE			FIELD32(0x00006000)
  #define BCNCSR_PLUS			FIELD32(0x00008000)
  
  /*
   * BBP / RF / IF Control Register.
   */
  
  /*
   * BBPCSR: BBP serial control register.
   * VALUE: Register value to program into BBP.
   * REGNUM: Selected BBP register.
   * BUSY: 1: asic is busy execute BBP programming.
   * WRITE_CONTROL: 1: write BBP, 0: read BBP.
   */
  #define BBPCSR				0x00f0
  #define BBPCSR_VALUE			FIELD32(0x000000ff)
  #define BBPCSR_REGNUM			FIELD32(0x00007f00)
  #define BBPCSR_BUSY			FIELD32(0x00008000)
  #define BBPCSR_WRITE_CONTROL		FIELD32(0x00010000)
  
  /*
   * RFCSR: RF serial control register.
   * VALUE: Register value + id to program into rf/if.
   * NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
   * IF_SELECT: Chip to program: 0: rf, 1: if.
   * PLL_LD: Rf pll_ld status.
   * BUSY: 1: asic is busy execute rf programming.
   */
  #define RFCSR				0x00f4
  #define RFCSR_VALUE			FIELD32(0x00ffffff)
  #define RFCSR_NUMBER_OF_BITS		FIELD32(0x1f000000)
  #define RFCSR_IF_SELECT			FIELD32(0x20000000)
  #define RFCSR_PLL_LD			FIELD32(0x40000000)
  #define RFCSR_BUSY			FIELD32(0x80000000)
  
  /*
   * LEDCSR: LED control register.
   * ON_PERIOD: On period, default 70ms.
   * OFF_PERIOD: Off period, default 30ms.
   * LINK: 0: linkoff, 1: linkup.
   * ACTIVITY: 0: idle, 1: active.
   */
  #define LEDCSR				0x00f8
  #define LEDCSR_ON_PERIOD		FIELD32(0x000000ff)
  #define LEDCSR_OFF_PERIOD		FIELD32(0x0000ff00)
  #define LEDCSR_LINK			FIELD32(0x00010000)
  #define LEDCSR_ACTIVITY			FIELD32(0x00020000)
  
  /*
   * ASIC pointer information.
   * RXPTR: Current RX ring address.
   * TXPTR: Current Tx ring address.
   * PRIPTR: Current Priority ring address.
   * ATIMPTR: Current ATIM ring address.
   */
  #define RXPTR				0x0100
  #define TXPTR				0x0104
  #define PRIPTR				0x0108
  #define ATIMPTR				0x010c
  
  /*
   * GPIO and others.
   */
  
  /*
   * GPIOCSR: GPIO control register.
   *	GPIOCSR_VALx: Actual GPIO pin x value
   *	GPIOCSR_DIRx: GPIO direction: 0 = output; 1 = input
   */
  #define GPIOCSR				0x0120
  #define GPIOCSR_VAL0			FIELD32(0x00000001)
  #define GPIOCSR_VAL1			FIELD32(0x00000002)
  #define GPIOCSR_VAL2			FIELD32(0x00000004)
  #define GPIOCSR_VAL3			FIELD32(0x00000008)
  #define GPIOCSR_VAL4			FIELD32(0x00000010)
  #define GPIOCSR_VAL5			FIELD32(0x00000020)
  #define GPIOCSR_VAL6			FIELD32(0x00000040)
  #define GPIOCSR_VAL7			FIELD32(0x00000080)
  #define GPIOCSR_DIR0			FIELD32(0x00000100)
  #define GPIOCSR_DIR1			FIELD32(0x00000200)
  #define GPIOCSR_DIR2			FIELD32(0x00000400)
  #define GPIOCSR_DIR3			FIELD32(0x00000800)
  #define GPIOCSR_DIR4			FIELD32(0x00001000)
  #define GPIOCSR_DIR5			FIELD32(0x00002000)
  #define GPIOCSR_DIR6			FIELD32(0x00004000)
  #define GPIOCSR_DIR7			FIELD32(0x00008000)
  
  /*
   * BBPPCSR: BBP Pin control register.
   */
  #define BBPPCSR				0x0124
  
  /*
   * BCNCSR1: Tx BEACON offset time control register.
   * PRELOAD: Beacon timer offset in units of usec.
   */
  #define BCNCSR1				0x0130
  #define BCNCSR1_PRELOAD			FIELD32(0x0000ffff)
  
  /*
   * MACCSR2: TX_PE to RX_PE turn-around time control register
   * DELAY: RX_PE low width, in units of pci clock cycle.
   */
  #define MACCSR2				0x0134
  #define MACCSR2_DELAY			FIELD32(0x000000ff)
  
  /*
   * ARCSR2: 1 Mbps ACK/CTS PLCP.
   */
  #define ARCSR2				0x013c
  #define ARCSR2_SIGNAL			FIELD32(0x000000ff)
  #define ARCSR2_SERVICE			FIELD32(0x0000ff00)
  #define ARCSR2_LENGTH_LOW		FIELD32(0x00ff0000)
  #define ARCSR2_LENGTH			FIELD32(0xffff0000)
  
  /*
   * ARCSR3: 2 Mbps ACK/CTS PLCP.
   */
  #define ARCSR3				0x0140
  #define ARCSR3_SIGNAL			FIELD32(0x000000ff)
  #define ARCSR3_SERVICE			FIELD32(0x0000ff00)
  #define ARCSR3_LENGTH			FIELD32(0xffff0000)
  
  /*
   * ARCSR4: 5.5 Mbps ACK/CTS PLCP.
   */
  #define ARCSR4				0x0144
  #define ARCSR4_SIGNAL			FIELD32(0x000000ff)
  #define ARCSR4_SERVICE			FIELD32(0x0000ff00)
  #define ARCSR4_LENGTH			FIELD32(0xffff0000)
  
  /*
   * ARCSR5: 11 Mbps ACK/CTS PLCP.
   */
  #define ARCSR5				0x0148
  #define ARCSR5_SIGNAL			FIELD32(0x000000ff)
  #define ARCSR5_SERVICE			FIELD32(0x0000ff00)
  #define ARCSR5_LENGTH			FIELD32(0xffff0000)
  
  /*
   * BBP registers.
   * The wordsize of the BBP is 8 bits.
   */
  
  /*
   * R1: TX antenna control
   */
  #define BBP_R1_TX_ANTENNA		FIELD8(0x03)
  
  /*
   * R4: RX antenna control
   */
  #define BBP_R4_RX_ANTENNA		FIELD8(0x06)
  
  /*
   * RF registers
   */
  
  /*
   * RF 1
   */
  #define RF1_TUNER			FIELD32(0x00020000)
  
  /*
   * RF 3
   */
  #define RF3_TUNER			FIELD32(0x00000100)
  #define RF3_TXPOWER			FIELD32(0x00003e00)
  
  /*
   * EEPROM content.
   * The wordsize of the EEPROM is 16 bits.
   */
  
  /*
   * 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.
   * RF_TYPE: Rf_type of this adapter.
   * LED_MODE: 0: default, 1: TX/RX activity,2: Single (ignore link), 3: rsvd.
   * RX_AGCVGC: 0: disable, 1:enable BBP R13 tuning.
   * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
   */
  #define EEPROM_ANTENNA			0x0b
  #define EEPROM_ANTENNA_NUM		FIELD16(0x0003)
  #define EEPROM_ANTENNA_TX_DEFAULT	FIELD16(0x000c)
  #define EEPROM_ANTENNA_RX_DEFAULT	FIELD16(0x0030)
  #define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0040)
  #define EEPROM_ANTENNA_LED_MODE		FIELD16(0x0180)
  #define EEPROM_ANTENNA_RX_AGCVGC_TUNING	FIELD16(0x0200)
  #define EEPROM_ANTENNA_HARDWARE_RADIO	FIELD16(0x0400)
  
  /*
   * EEPROM BBP.
   */
  #define EEPROM_BBP_START		0x0c
  #define EEPROM_BBP_SIZE			7
  #define EEPROM_BBP_VALUE		FIELD16(0x00ff)
  #define EEPROM_BBP_REG_ID		FIELD16(0xff00)
  
  /*
   * EEPROM TXPOWER
   */
  #define EEPROM_TXPOWER_START		0x13
  #define EEPROM_TXPOWER_SIZE		7
  #define EEPROM_TXPOWER_1		FIELD16(0x00ff)
  #define EEPROM_TXPOWER_2		FIELD16(0xff00)
  
  /*
   * DMA descriptor defines.
   */
  #define TXD_DESC_SIZE			(8 * sizeof(__le32))
  #define RXD_DESC_SIZE			(8 * sizeof(__le32))
  
  /*
   * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
   */
  
  /*
   * Word0
   */
  #define TXD_W0_OWNER_NIC		FIELD32(0x00000001)
  #define TXD_W0_VALID			FIELD32(0x00000002)
  #define TXD_W0_RESULT			FIELD32(0x0000001c)
  #define TXD_W0_RETRY_COUNT		FIELD32(0x000000e0)
  #define TXD_W0_MORE_FRAG		FIELD32(0x00000100)
  #define TXD_W0_ACK			FIELD32(0x00000200)
  #define TXD_W0_TIMESTAMP		FIELD32(0x00000400)
  #define TXD_W0_RTS			FIELD32(0x00000800)
  #define TXD_W0_IFS			FIELD32(0x00006000)
  #define TXD_W0_RETRY_MODE		FIELD32(0x00008000)
  #define TXD_W0_AGC			FIELD32(0x00ff0000)
  #define TXD_W0_R2			FIELD32(0xff000000)
  
  /*
   * Word1
   */
  #define TXD_W1_BUFFER_ADDRESS		FIELD32(0xffffffff)
  
  /*
   * Word2
   */
  #define TXD_W2_BUFFER_LENGTH		FIELD32(0x0000ffff)
  #define TXD_W2_DATABYTE_COUNT		FIELD32(0xffff0000)
  
  /*
   * Word3 & 4: PLCP information
   * The PLCP values should be treated as if they were BBP values.
   */
  #define TXD_W3_PLCP_SIGNAL		FIELD32(0x000000ff)
  #define TXD_W3_PLCP_SIGNAL_REGNUM	FIELD32(0x00007f00)
  #define TXD_W3_PLCP_SIGNAL_BUSY		FIELD32(0x00008000)
  #define TXD_W3_PLCP_SERVICE		FIELD32(0x00ff0000)
  #define TXD_W3_PLCP_SERVICE_REGNUM	FIELD32(0x7f000000)
  #define TXD_W3_PLCP_SERVICE_BUSY	FIELD32(0x80000000)
  
  #define TXD_W4_PLCP_LENGTH_LOW		FIELD32(0x000000ff)
  #define TXD_W3_PLCP_LENGTH_LOW_REGNUM	FIELD32(0x00007f00)
  #define TXD_W3_PLCP_LENGTH_LOW_BUSY	FIELD32(0x00008000)
  #define TXD_W4_PLCP_LENGTH_HIGH		FIELD32(0x00ff0000)
  #define TXD_W3_PLCP_LENGTH_HIGH_REGNUM	FIELD32(0x7f000000)
  #define TXD_W3_PLCP_LENGTH_HIGH_BUSY	FIELD32(0x80000000)
  
  /*
   * Word5
   */
  #define TXD_W5_BBCR4			FIELD32(0x0000ffff)
  #define TXD_W5_AGC_REG			FIELD32(0x007f0000)
  #define TXD_W5_AGC_REG_VALID		FIELD32(0x00800000)
  #define TXD_W5_XXX_REG			FIELD32(0x7f000000)
  #define TXD_W5_XXX_REG_VALID		FIELD32(0x80000000)
  
  /*
   * Word6
   */
  #define TXD_W6_SK_BUFF			FIELD32(0xffffffff)
  
  /*
   * Word7
   */
  #define TXD_W7_RESERVED			FIELD32(0xffffffff)
  
  /*
   * RX descriptor format for RX Ring.
   */
  
  /*
   * Word0
   */
  #define RXD_W0_OWNER_NIC		FIELD32(0x00000001)
  #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_PHYSICAL_ERROR		FIELD32(0x00000080)
  #define RXD_W0_DATABYTE_COUNT		FIELD32(0xffff0000)
  
  /*
   * Word1
   */
  #define RXD_W1_BUFFER_ADDRESS		FIELD32(0xffffffff)
  
  /*
   * Word2
   */
  #define RXD_W2_BUFFER_LENGTH		FIELD32(0x0000ffff)
  #define RXD_W2_BBR0			FIELD32(0x00ff0000)
  #define RXD_W2_SIGNAL			FIELD32(0xff000000)
  
  /*
   * Word3
   */
  #define RXD_W3_RSSI			FIELD32(0x000000ff)
  #define RXD_W3_BBR3			FIELD32(0x0000ff00)
  #define RXD_W3_BBR4			FIELD32(0x00ff0000)
  #define RXD_W3_BBR5			FIELD32(0xff000000)
  
  /*
   * Word4
   */
  #define RXD_W4_RX_END_TIME		FIELD32(0xffffffff)
  
  /*
   * Word5 & 6 & 7: Reserved
   */
  #define RXD_W5_RESERVED			FIELD32(0xffffffff)
  #define RXD_W6_RESERVED			FIELD32(0xffffffff)
  #define RXD_W7_RESERVED			FIELD32(0xffffffff)
  
  /*
   * Macros for converting txpower from EEPROM to mac80211 value
   * and from mac80211 value to register value.
   * NOTE: Logics in rt2400pci for txpower are reversed
   * compared to the other rt2x00 drivers. A higher txpower
   * value means that the txpower must be lowered. This is
   * important when converting the value coming from the
   * mac80211 stack to the rt2400 acceptable value.
   */
  #define MIN_TXPOWER	31
  #define MAX_TXPOWER	62
  #define DEFAULT_TXPOWER	39
  
  #define __CLAMP_TX(__txpower) \
  	clamp_t(char, (__txpower), MIN_TXPOWER, MAX_TXPOWER)
  
  #define TXPOWER_FROM_DEV(__txpower) \
  	((__CLAMP_TX(__txpower) - MAX_TXPOWER) + MIN_TXPOWER)
  
  #define TXPOWER_TO_DEV(__txpower) \
  	(MAX_TXPOWER - (__CLAMP_TX(__txpower) - MIN_TXPOWER))
  
  #endif /* RT2400PCI_H */