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Diffstat (limited to 'package/rt2x00/src/rt2500usb.h')
| -rw-r--r-- | package/rt2x00/src/rt2500usb.h | 737 |
1 files changed, 737 insertions, 0 deletions
diff --git a/package/rt2x00/src/rt2500usb.h b/package/rt2x00/src/rt2500usb.h new file mode 100644 index 0000000..e756d6e --- /dev/null +++ b/package/rt2x00/src/rt2500usb.h @@ -0,0 +1,737 @@ +/* + Copyright (C) 2004 - 2007 rt2x00 SourceForge Project + <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, write to the + Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + 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 + +/* + * Max RSSI value, required for RSSI <-> dBm conversion. + */ +#define MAX_RX_SSI 120 +#define MAX_RX_NOISE -110 + +/* + * Register layout information. + */ +#define CSR_REG_BASE 0x0400 +#define CSR_REG_SIZE 0x0100 +#define EEPROM_BASE 0x0000 +#define EEPROM_SIZE 0x006a +#define BBP_SIZE 0x0060 + +/* + * 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. + */ +#define MAC_CSR1 0x0402 + +/* + * 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: IFS. + * 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. + */ +#define MAC_CSR19 0x0426 + +/* + * 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) + +/* + * 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_MCAST FIELD16(0x0200) +#define TXRX_CSR2_DROP_BCAST 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 + +/* + * TX BBP ID registers + * TXRX_CSR5: CCK TX BBP ID0. + * TXRX_CSR5: CCK TX BBP ID1. + * TXRX_CSR5: OFDM TX BBP ID0. + * TXRX_CSR5: OFDM TX BBP ID1. + */ +#define TXRX_CSR5 0x044a +#define TXRX_CSR6 0x044c +#define TXRX_CSR7 0x044e +#define TXRX_CSR8 0x0450 + +/* + * 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-SEC_CSR7: Shared key 0, word 0-7 + */ +#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-SEC_CSR15: Shared key 1, word 0-7 + */ +#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-SEC_CSR23: Shared key 2, word 0-7 + */ +#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-SEC_CSR31: Shared key 3, word 0-7 + */ +#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 + +/* + * 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. + * PHY_CSR3: RX MAC configuration. + */ +#define PHY_CSR2 0x04c4 +#define PHY_CSR3 0x04c6 + +/* + * PHY_CSR4: Interface configuration. + */ +#define PHY_CSR4 0x04c8 + +/* + * 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) + +/* + * Statistic Register. + * STA_CSR1: PLCP error. + * STA_CSR2: LONG error. + * STA_CSR3: CCA false alarm. + * STA_CSR4: RX FIFO overflow. + * STA_CSR5: Beacon sent counter. + */ +#define STA_CSR1 0x04e2 +#define STA_CSR2 0x04e4 +#define STA_CSR3 0x04e6 +#define STA_CSR4 0x04e8 +#define STA_CSR5 0x04ea +#define STA_CSR6 0x04ec +#define STA_CSR7 0x04ee +#define STA_CSR8 0x04f0 +#define STA_CSR9 0x04f2 +#define STA_CSR10 0x04f4 + +/* + * RF registers. + */ +#define RF1_TUNER FIELD32(0x00020000) +#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) + +/* + * 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) + +/* + * BBP content. + * The wordsize of the BBP is 8 bits. + */ + +/* + * BBP_R2: TX antenna control + */ +#define BBP_R2_TX_ANTENNA FIELD8(0x03) +#define BBP_R2_TX_IQ_FLIP FIELD8(0x04) + +/* + * BBP_R14: RX antenna control + */ +#define BBP_R14_RX_ANTENNA FIELD8(0x03) +#define BBP_R14_RX_IQ_FLIP FIELD8(0x04) + +/* + * DMA descriptor defines. + */ +#define TXD_DESC_SIZE ( 5 * sizeof(struct data_desc) ) +#define RXD_DESC_SIZE ( 4 * sizeof(struct data_desc) ) + +/* + * 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 FIELD32(0x00000020) +#define RXD_W0_OFDM FIELD32(0x00000040) +#define RXD_W0_PHYSICAL_ERROR FIELD32(0x00000080) +#define RXD_W0_CIPHER FIELD32(0x00000100) +#define RXD_W0_CI_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) + +/* + * Macro's for converting txpower from EEPROM to dscape value + * and from dscape value to register value. + */ +#define MIN_TXPOWER 0 +#define MAX_TXPOWER 31 +#define DEFAULT_TXPOWER 24 + +#define TXPOWER_FROM_DEV(__txpower) \ +({ \ + ((__txpower) > MAX_TXPOWER) ? \ + DEFAULT_TXPOWER : (__txpower); \ +}) + +#define TXPOWER_TO_DEV(__txpower) \ +({ \ + ((__txpower) <= MIN_TXPOWER) ? MIN_TXPOWER : \ + (((__txpower) >= MAX_TXPOWER) ? MAX_TXPOWER : \ + (__txpower)); \ +}) + +/* + * Interrupt functions. + */ +static void rt2500usb_interrupt_rxdone(struct urb *urb); + +#endif /* RT2500USB_H */ |