/* * Atheros AR9170 driver * * Hardware-specific definitions * * Copyright 2008, Johannes Berg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, see * http://www.gnu.org/licenses/. * * This file incorporates work covered by the following copyright and * permission notice: * Copyright (c) 2007-2008 Atheros Communications, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef __AR9170_HW_H #define __AR9170_HW_H #define AR9170_MAX_CMD_LEN 64 enum ar9170_cmd { AR9170_CMD_RREG = 0x00, AR9170_CMD_WREG = 0x01, AR9170_CMD_RMEM = 0x02, AR9170_CMD_WMEM = 0x03, AR9170_CMD_BITAND = 0x04, AR9170_CMD_BITOR = 0x05, AR9170_CMD_EKEY = 0x28, AR9170_CMD_DKEY = 0x29, AR9170_CMD_FREQUENCY = 0x30, AR9170_CMD_RF_INIT = 0x31, AR9170_CMD_SYNTH = 0x32, AR9170_CMD_FREQ_START = 0x33, AR9170_CMD_ECHO = 0x80, AR9170_CMD_TALLY = 0x81, AR9170_CMD_TALLY_APD = 0x82, AR9170_CMD_CONFIG = 0x83, AR9170_CMD_RESET = 0x90, AR9170_CMD_DKRESET = 0x91, AR9170_CMD_DKTX_STATUS = 0x92, AR9170_CMD_FDC = 0xA0, AR9170_CMD_WREEPROM = 0xB0, AR9170_CMD_WFLASH = 0xB0, AR9170_CMD_FLASH_ERASE = 0xB1, AR9170_CMD_FLASH_PROG = 0xB2, AR9170_CMD_FLASH_CHKSUM = 0xB3, AR9170_CMD_FLASH_READ = 0xB4, AR9170_CMD_FW_DL_INIT = 0xB5, AR9170_CMD_MEM_WREEPROM = 0xBB, }; /* endpoints */ #define AR9170_EP_TX 1 #define AR9170_EP_RX 2 #define AR9170_EP_IRQ 3 #define AR9170_EP_CMD 4 #define AR9170_EEPROM_START 0x1600 #define AR9170_GPIO_REG_BASE 0x1d0100 #define AR9170_GPIO_REG_PORT_TYPE AR9170_GPIO_REG_BASE #define AR9170_GPIO_REG_DATA (AR9170_GPIO_REG_BASE + 4) #define AR9170_NUM_LEDS 2 #define AR9170_USB_REG_BASE 0x1e1000 #define AR9170_USB_REG_DMA_CTL (AR9170_USB_REG_BASE + 0x108) #define AR9170_DMA_CTL_ENABLE_TO_DEVICE 0x1 #define AR9170_DMA_CTL_ENABLE_FROM_DEVICE 0x2 #define AR9170_DMA_CTL_HIGH_SPEED 0x4 #define AR9170_DMA_CTL_PACKET_MODE 0x8 #define AR9170_USB_REG_MAX_AGG_UPLOAD (AR9170_USB_REG_BASE + 0x110) #define AR9170_USB_REG_UPLOAD_TIME_CTL (AR9170_USB_REG_BASE + 0x114) #define AR9170_MAC_REG_BASE 0x1c3000 #define AR9170_MAC_REG_TSF_L (AR9170_MAC_REG_BASE + 0x514) #define AR9170_MAC_REG_TSF_H (AR9170_MAC_REG_BASE + 0x518) #define AR9170_MAC_REG_ATIM_WINDOW (AR9170_MAC_REG_BASE + 0x51C) #define AR9170_MAC_REG_BCN_PERIOD (AR9170_MAC_REG_BASE + 0x520) #define AR9170_MAC_REG_PRETBTT (AR9170_MAC_REG_BASE + 0x524) #define AR9170_MAC_REG_MAC_ADDR_L (AR9170_MAC_REG_BASE + 0x610) #define AR9170_MAC_REG_MAC_ADDR_H (AR9170_MAC_REG_BASE + 0x614) #define AR9170_MAC_REG_BSSID_L (AR9170_MAC_REG_BASE + 0x618) #define AR9170_MAC_REG_BSSID_H (AR9170_MAC_REG_BASE + 0x61c) #define AR9170_MAC_REG_GROUP_HASH_TBL_L (AR9170_MAC_REG_BASE + 0x624) #define AR9170_MAC_REG_GROUP_HASH_TBL_H (AR9170_MAC_REG_BASE + 0x628) #define AR9170_MAC_REG_RX_TIMEOUT (AR9170_MAC_REG_BASE + 0x62C) #define AR9170_MAC_REG_BASIC_RATE (AR9170_MAC_REG_BASE + 0x630) #define AR9170_MAC_REG_MANDATORY_RATE (AR9170_MAC_REG_BASE + 0x634) #define AR9170_MAC_REG_RTS_CTS_RATE (AR9170_MAC_REG_BASE + 0x638) #define AR9170_MAC_REG_BACKOFF_PROTECT (AR9170_MAC_REG_BASE + 0x63c) #define AR9170_MAC_REG_RX_THRESHOLD (AR9170_MAC_REG_BASE + 0x640) #define AR9170_MAC_REG_RX_PE_DELAY (AR9170_MAC_REG_BASE + 0x64C) #define AR9170_MAC_REG_DYNAMIC_SIFS_ACK (AR9170_MAC_REG_BASE + 0x658) #define AR9170_MAC_REG_SNIFFER (AR9170_MAC_REG_BASE + 0x674) #define AR9170_MAC_REG_SNIFFER_ENABLE_PROMISC BIT(0) #define AR9170_MAC_REG_SNIFFER_DEFAULTS 0x02000000 #define AR9170_MAC_REG_ENCRYPTION (AR9170_MAC_REG_BASE + 0x678) #define AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE BIT(3) #define AR9170_MAC_REG_ENCRYPTION_DEFAULTS 0x70 #define AR9170_MAC_REG_MISC_680 (AR9170_MAC_REG_BASE + 0x680) #define AR9170_MAC_REG_TX_UNDERRUN (AR9170_MAC_REG_BASE + 0x688) #define AR9170_MAC_REG_FRAMETYPE_FILTER (AR9170_MAC_REG_BASE + 0x68c) #define AR9170_MAC_REG_FTF_ASSOC_REQ BIT(0) #define AR9170_MAC_REG_FTF_ASSOC_RESP BIT(1) #define AR9170_MAC_REG_FTF_REASSOC_REQ BIT(2) #define AR9170_MAC_REG_FTF_REASSOC_RESP BIT(3) #define AR9170_MAC_REG_FTF_PRB_REQ BIT(4) #define AR9170_MAC_REG_FTF_PRB_RESP BIT(5) #define AR9170_MAC_REG_FTF_BIT6 BIT(6) #define AR9170_MAC_REG_FTF_BIT7 BIT(7) #define AR9170_MAC_REG_FTF_BEACON BIT(8) #define AR9170_MAC_REG_FTF_ATIM BIT(9) #define AR9170_MAC_REG_FTF_DEASSOC BIT(10) #define AR9170_MAC_REG_FTF_AUTH BIT(11) #define AR9170_MAC_REG_FTF_DEAUTH BIT(12) #define AR9170_MAC_REG_FTF_BIT13 BIT(13) #define AR9170_MAC_REG_FTF_BIT14 BIT(14) #define AR9170_MAC_REG_FTF_BIT15 BIT(15) #define AR9170_MAC_REG_FTF_BAR BIT(24) #define AR9170_MAC_REG_FTF_BIT25 BIT(25) #define AR9170_MAC_REG_FTF_PSPOLL BIT(26) #define AR9170_MAC_REG_FTF_RTS BIT(27) #define AR9170_MAC_REG_FTF_CTS BIT(28) #define AR9170_MAC_REG_FTF_ACK BIT(29) #define AR9170_MAC_REG_FTF_CFE BIT(30) #define AR9170_MAC_REG_FTF_CFE_ACK BIT(31) #define AR9170_MAC_REG_FTF_DEFAULTS 0x0500ffff #define AR9170_MAC_REG_FTF_MONITOR 0xfd00ffff #define AR9170_MAC_REG_RX_TOTAL (AR9170_MAC_REG_BASE + 0x6A0) #define AR9170_MAC_REG_RX_CRC32 (AR9170_MAC_REG_BASE + 0x6A4) #define AR9170_MAC_REG_RX_CRC16 (AR9170_MAC_REG_BASE + 0x6A8) #define AR9170_MAC_REG_RX_ERR_DECRYPTION_UNI (AR9170_MAC_REG_BASE + 0x6AC) #define AR9170_MAC_REG_RX_OVERRUN (AR9170_MAC_REG_BASE + 0x6B0) #define AR9170_MAC_REG_RX_ERR_DECRYPTION_MUL (AR9170_MAC_REG_BASE + 0x6BC) #define AR9170_MAC_REG_TX_RETRY (AR9170_MAC_REG_BASE + 0x6CC) #define AR9170_MAC_REG_TX_TOTAL (AR9170_MAC_REG_BASE + 0x6F4) #define AR9170_MAC_REG_ACK_EXTENSION (AR9170_MAC_REG_BASE + 0x690) #define AR9170_MAC_REG_EIFS_AND_SIFS (AR9170_MAC_REG_BASE + 0x698) #define AR9170_MAC_REG_SLOT_TIME (AR9170_MAC_REG_BASE + 0x6F0) #define AR9170_MAC_REG_POWERMANAGEMENT (AR9170_MAC_REG_BASE + 0x700) #define AR9170_MAC_REG_POWERMGT_IBSS 0xe0 #define AR9170_MAC_REG_POWERMGT_AP 0xa1 #define AR9170_MAC_REG_POWERMGT_STA 0x2 #define AR9170_MAC_REG_POWERMGT_AP_WDS 0x3 #define AR9170_MAC_REG_POWERMGT_DEFAULTS (0xf << 24) #define AR9170_MAC_REG_ROLL_CALL_TBL_L (AR9170_MAC_REG_BASE + 0x704) #define AR9170_MAC_REG_ROLL_CALL_TBL_H (AR9170_MAC_REG_BASE + 0x708) #define AR9170_MAC_REG_AC0_CW (AR9170_MAC_REG_BASE + 0xB00) #define AR9170_MAC_REG_AC1_CW (AR9170_MAC_REG_BASE + 0xB04) #define AR9170_MAC_REG_AC2_CW (AR9170_MAC_REG_BASE + 0xB08) #define AR9170_MAC_REG_AC3_CW (AR9170_MAC_REG_BASE + 0xB0C) #define AR9170_MAC_REG_AC4_CW (AR9170_MAC_REG_BASE + 0xB10) #define AR9170_MAC_REG_AC1_AC0_AIFS (AR9170_MAC_REG_BASE + 0xB14) #define AR9170_MAC_REG_AC3_AC2_AIFS (AR9170_MAC_REG_BASE + 0xB18) #define AR9170_MAC_REG_RETRY_MAX (AR9170_MAC_REG_BASE + 0xB28) #define AR9170_MAC_REG_FCS_SELECT (AR9170_MAC_REG_BASE + 0xBB0) #define AR9170_MAC_FCS_SWFCS 0x1 #define AR9170_MAC_FCS_FIFO_PROT 0x4 #define AR9170_MAC_REG_TXOP_NOT_ENOUGH_IND (AR9170_MAC_REG_BASE + 0xB30) #define AR9170_MAC_REG_AC1_AC0_TXOP (AR9170_MAC_REG_BASE + 0xB44) #define AR9170_MAC_REG_AC3_AC2_TXOP (AR9170_MAC_REG_BASE + 0xB48) #define AR9170_MAC_REG_AMPDU_FACTOR (AR9170_MAC_REG_BASE + 0xB9C) #define AR9170_MAC_REG_AMPDU_DENSITY (AR9170_MAC_REG_BASE + 0xBA0) #define AR9170_MAC_REG_ACK_TABLE (AR9170_MAC_REG_BASE + 0xC00) #define AR9170_MAC_REG_AMPDU_RX_THRESH (AR9170_MAC_REG_BASE + 0xC50) #define AR9170_MAC_REG_TXRX_MPI (AR9170_MAC_REG_BASE + 0xD7C) #define AR9170_MAC_TXRX_MPI_TX_MPI_MASK 0x0000000f #define AR9170_MAC_TXRX_MPI_TX_TO_MASK 0x0000fff0 #define AR9170_MAC_TXRX_MPI_RX_MPI_MASK 0x000f0000 #define AR9170_MAC_TXRX_MPI_RX_TO_MASK 0xfff00000 #define AR9170_MAC_REG_BCN_ADDR (AR9170_MAC_REG_BASE + 0xD84) #define AR9170_MAC_REG_BCN_LENGTH (AR9170_MAC_REG_BASE + 0xD88) #define AR9170_MAC_REG_BCN_PLCP (AR9170_MAC_REG_BASE + 0xD90) #define AR9170_MAC_REG_BCN_CTRL (AR9170_MAC_REG_BASE + 0xD94) #define AR9170_MAC_REG_BCN_HT1 (AR9170_MAC_REG_BASE + 0xDA0) #define AR9170_MAC_REG_BCN_HT2 (AR9170_MAC_REG_BASE + 0xDA4) #define AR9170_PWR_REG_BASE 0x1D4000 #define AR9170_PWR_REG_CLOCK_SEL (AR9170_PWR_REG_BASE + 0x008) #define AR9170_PWR_CLK_AHB_40MHZ 0 #define AR9170_PWR_CLK_AHB_20_22MHZ 1 #define AR9170_PWR_CLK_AHB_40_44MHZ 2 #define AR9170_PWR_CLK_AHB_80_88MHZ 3 #define AR9170_PWR_CLK_DAC_160_INV_DLY 0x70 /* put beacon here in memory */ #define AR9170_BEACON_BUFFER_ADDRESS 0x117900 struct ar9170_tx_control { __le16 length; __le16 mac_control; __le32 phy_control; u8 frame_data[0]; } __packed; /* these are either-or */ #define AR9170_TX_MAC_PROT_RTS 0x0001 #define AR9170_TX_MAC_PROT_CTS 0x0002 #define AR9170_TX_MAC_NO_ACK 0x0004 /* if unset, MAC will only do SIFS space before frame */ #define AR9170_TX_MAC_BACKOFF 0x0008 #define AR9170_TX_MAC_BURST 0x0010 #define AR9170_TX_MAC_AGGR 0x0020 /* encryption is a two-bit field */ #define AR9170_TX_MAC_ENCR_NONE 0x0000 #define AR9170_TX_MAC_ENCR_RC4 0x0040 #define AR9170_TX_MAC_ENCR_CENC 0x0080 #define AR9170_TX_MAC_ENCR_AES 0x00c0 #define AR9170_TX_MAC_MMIC 0x0100 #define AR9170_TX_MAC_HW_DURATION 0x0200 #define AR9170_TX_MAC_QOS_SHIFT 10 #define AR9170_TX_MAC_QOS_MASK (3 << AR9170_TX_MAC_QOS_SHIFT) #define AR9170_TX_MAC_AGGR_QOS_BIT1 0x0400 #define AR9170_TX_MAC_AGGR_QOS_BIT2 0x0800 #define AR9170_TX_MAC_DISABLE_TXOP 0x1000 #define AR9170_TX_MAC_TXOP_RIFS 0x2000 #define AR9170_TX_MAC_IMM_AMPDU 0x4000 #define AR9170_TX_MAC_RATE_PROBE 0x8000 /* either-or */ #define AR9170_TX_PHY_MOD_CCK 0x00000000 #define AR9170_TX_PHY_MOD_OFDM 0x00000001 #define AR9170_TX_PHY_MOD_HT 0x00000002 /* depends on modulation */ #define AR9170_TX_PHY_SHORT_PREAMBLE 0x00000004 #define AR9170_TX_PHY_GREENFIELD 0x00000004 #define AR9170_TX_PHY_BW_SHIFT 3 #define AR9170_TX_PHY_BW_MASK (3 << AR9170_TX_PHY_BW_SHIFT) #define AR9170_TX_PHY_BW_20MHZ 0 #define AR9170_TX_PHY_BW_40MHZ 2 #define AR9170_TX_PHY_BW_40MHZ_DUP 3 #define AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT 6 #define AR9170_TX_PHY_TX_HEAVY_CLIP_MASK (7 << AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT) #define AR9170_TX_PHY_TX_PWR_SHIFT 9 #define AR9170_TX_PHY_TX_PWR_MASK (0x3f << AR9170_TX_PHY_TX_PWR_SHIFT) /* not part of the hw-spec */ #define AR9170_TX_PHY_QOS_SHIFT 25 #define AR9170_TX_PHY_QOS_MASK (3 << AR9170_TX_PHY_QOS_SHIFT) #define AR9170_TX_PHY_TXCHAIN_SHIFT 15 #define AR9170_TX_PHY_TXCHAIN_MASK (7 << AR9170_TX_PHY_TXCHAIN_SHIFT) #define AR9170_TX_PHY_TXCHAIN_1 1 /* use for cck, ofdm 6/9/12/18/24 and HT if capable */ #define AR9170_TX_PHY_TXCHAIN_2 5 #define AR9170_TX_PHY_MCS_SHIFT 18 #define AR9170_TX_PHY_MCS_MASK (0x7f << AR9170_TX_PHY_MCS_SHIFT) #define AR9170_TX_PHY_SHORT_GI 0x80000000 #define AR5416_MAX_RATE_POWER 63 struct ar9170_rx_head { u8 plcp[12]; } __packed; struct ar9170_rx_phystatus { union { struct { u8 rssi_ant0, rssi_ant1, rssi_ant2, rssi_ant0x, rssi_ant1x, rssi_ant2x, rssi_combined; } __packed; u8 rssi[7]; } __packed; u8 evm_stream0[6], evm_stream1[6]; u8 phy_err; } __packed; struct ar9170_rx_macstatus { u8 SAidx, DAidx; u8 error; u8 status; } __packed; #define AR9170_ENC_ALG_NONE 0x0 #define AR9170_ENC_ALG_WEP64 0x1 #define AR9170_ENC_ALG_TKIP 0x2 #define AR9170_ENC_ALG_AESCCMP 0x4 #define AR9170_ENC_ALG_WEP128 0x5 #define AR9170_ENC_ALG_WEP256 0x6 #define AR9170_ENC_ALG_CENC 0x7 #define AR9170_RX_ENC_SOFTWARE 0x8 static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t) { return (t->SAidx & 0xc0) >> 4 | (t->DAidx & 0xc0) >> 6; } #define AR9170_RX_STATUS_MODULATION_MASK 0x03 #define AR9170_RX_STATUS_MODULATION_CCK 0x00 #define AR9170_RX_STATUS_MODULATION_OFDM 0x01 #define AR9170_RX_STATUS_MODULATION_HT 0x02 #define AR9170_RX_STATUS_MODULATION_DUPOFDM 0x03 /* depends on modulation */ #define AR9170_RX_STATUS_SHORT_PREAMBLE 0x08 #define AR9170_RX_STATUS_GREENFIELD 0x08 #define AR9170_RX_STATUS_MPDU_MASK 0x30 #define AR9170_RX_STATUS_MPDU_SINGLE 0x00 #define AR9170_RX_STATUS_MPDU_FIRST 0x20 #define AR9170_RX_STATUS_MPDU_MIDDLE 0x30 #define AR9170_RX_STATUS_MPDU_LAST 0x10 #define AR9170_RX_ERROR_RXTO 0x01 #define AR9170_RX_ERROR_OVERRUN 0x02 #define AR9170_RX_ERROR_DECRYPT 0x04 #define AR9170_RX_ERROR_FCS 0x08 #define AR9170_RX_ERROR_WRONG_RA 0x10 #define AR9170_RX_ERROR_PLCP 0x20 #define AR9170_RX_ERROR_MMIC 0x40 #define AR9170_RX_ERROR_FATAL 0x80 struct ar9170_cmd_tx_status { u8 dst[ETH_ALEN]; __le32 rate; __le16 status; } __packed; #define AR9170_TX_STATUS_COMPLETE 0x00 #define AR9170_TX_STATUS_RETRY 0x01 #define AR9170_TX_STATUS_FAILED 0x02 struct ar9170_cmd_ba_failed_count { __le16 failed; __le16 rate; } __packed; struct ar9170_cmd_response { u8 flag; u8 type; __le16 padding; union { struct ar9170_cmd_tx_status tx_status; struct ar9170_cmd_ba_failed_count ba_fail_cnt; u8 data[0]; }; } __packed; /* QoS */ /* mac80211 queue to HW/FW map */ static const u8 ar9170_qos_hwmap[4] = { 3, 2, 0, 1 }; /* HW/FW queue to mac80211 map */ static const u8 ar9170_qos_mac80211map[4] = { 2, 3, 1, 0 }; enum ar9170_txq { AR9170_TXQ_BE, AR9170_TXQ_BK, AR9170_TXQ_VI, AR9170_TXQ_VO, __AR9170_NUM_TXQ, }; #define AR9170_TXQ_DEPTH 32 #define AR9170_TX_MAX_PENDING 128 #endif /* __AR9170_HW_H */