315 lines
10 KiB
C
315 lines
10 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2005
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* Damien Bergamini <damien.bergamini@free.fr>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define RAL_TX_RING_COUNT 48
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#define RAL_ATIM_RING_COUNT 4
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#define RAL_PRIO_RING_COUNT 16
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#define RAL_BEACON_RING_COUNT 1
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#define RAL_RX_RING_COUNT 32
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#define RAL_TX_DESC_SIZE (sizeof (struct ral_tx_desc))
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#define RAL_RX_DESC_SIZE (sizeof (struct ral_rx_desc))
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#define RAL_MAX_SCATTER 1
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/*
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* Control and status registers.
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*/
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#define RAL_CSR0 0x0000 /* ASIC version number */
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#define RAL_CSR1 0x0004 /* System control */
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#define RAL_CSR3 0x000c /* STA MAC address 0 */
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#define RAL_CSR4 0x0010 /* STA MAC address 1 */
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#define RAL_CSR5 0x0014 /* BSSID 0 */
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#define RAL_CSR6 0x0018 /* BSSID 1 */
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#define RAL_CSR7 0x001c /* Interrupt source */
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#define RAL_CSR8 0x0020 /* Interrupt mask */
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#define RAL_CSR9 0x0024 /* Maximum frame length */
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#define RAL_SECCSR0 0x0028 /* WEP control */
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#define RAL_CSR11 0x002c /* Back-off control */
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#define RAL_CSR12 0x0030 /* Synchronization configuration 0 */
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#define RAL_CSR13 0x0034 /* Synchronization configuration 1 */
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#define RAL_CSR14 0x0038 /* Synchronization control */
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#define RAL_CSR15 0x003c /* Synchronization status */
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#define RAL_CSR16 0x0040 /* TSF timer 0 */
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#define RAL_CSR17 0x0044 /* TSF timer 1 */
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#define RAL_CSR18 0x0048 /* IFS timer 0 */
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#define RAL_CSR19 0x004c /* IFS timer 1 */
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#define RAL_CSR20 0x0050 /* WAKEUP timer */
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#define RAL_CSR21 0x0054 /* EEPROM control */
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#define RAL_CSR22 0x0058 /* CFP control */
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#define RAL_TXCSR0 0x0060 /* TX control */
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#define RAL_TXCSR1 0x0064 /* TX configuration */
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#define RAL_TXCSR2 0x0068 /* TX descriptor configuration */
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#define RAL_TXCSR3 0x006c /* TX ring base address */
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#define RAL_TXCSR4 0x0070 /* TX ATIM ring base address */
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#define RAL_TXCSR5 0x0074 /* TX PRIO ring base address */
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#define RAL_TXCSR6 0x0078 /* Beacon base address */
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#define RAL_TXCSR7 0x007c /* AutoResponder control */
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#define RAL_RXCSR0 0x0080 /* RX control */
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#define RAL_RXCSR1 0x0084 /* RX descriptor configuration */
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#define RAL_RXCSR2 0x0088 /* RX ring base address */
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#define RAL_PCICSR 0x008c /* PCI control */
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#define RAL_RXCSR3 0x0090 /* BBP ID 0 */
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#define RAL_TXCSR9 0x0094 /* OFDM TX BBP */
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#define RAL_ARSP_PLCP_0 0x0098 /* Auto Responder PLCP address */
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#define RAL_ARSP_PLCP_1 0x009c /* Auto Responder PLCP Basic Rate bit mask */
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#define RAL_CNT0 0x00a0 /* FCS error counter */
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#define RAL_CNT1 0x00ac /* PLCP error counter */
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#define RAL_CNT2 0x00b0 /* Long error counter */
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#define RAL_CNT3 0x00b8 /* CCA false alarm counter */
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#define RAL_CNT4 0x00bc /* RX FIFO Overflow counter */
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#define RAL_CNT5 0x00c0 /* Tx FIFO Underrun counter */
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#define RAL_PWRCSR0 0x00c4 /* Power mode configuration */
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#define RAL_PSCSR0 0x00c8 /* Power state transition time */
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#define RAL_PSCSR1 0x00cc /* Power state transition time */
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#define RAL_PSCSR2 0x00d0 /* Power state transition time */
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#define RAL_PSCSR3 0x00d4 /* Power state transition time */
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#define RAL_PWRCSR1 0x00d8 /* Manual power control/status */
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#define RAL_TIMECSR 0x00dc /* Timer control */
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#define RAL_MACCSR0 0x00e0 /* MAC configuration */
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#define RAL_MACCSR1 0x00e4 /* MAC configuration */
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#define RAL_RALINKCSR 0x00e8 /* Ralink RX auto-reset BBCR */
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#define RAL_BCNCSR 0x00ec /* Beacon interval control */
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#define RAL_BBPCSR 0x00f0 /* BBP serial control */
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#define RAL_RFCSR 0x00f4 /* RF serial control */
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#define RAL_LEDCSR 0x00f8 /* LED control */
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#define RAL_SECCSR3 0x00fc /* XXX not documented */
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#define RAL_DMACSR0 0x0100 /* Current RX ring address */
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#define RAL_DMACSR1 0x0104 /* Current Tx ring address */
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#define RAL_DMACSR2 0x0104 /* Current Priority ring address */
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#define RAL_DMACSR3 0x0104 /* Current ATIM ring address */
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#define RAL_TXACKCSR0 0x0110 /* XXX not documented */
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#define RAL_GPIOCSR 0x0120 /* */
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#define RAL_BBBPPCSR 0x0124 /* BBP Pin Control */
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#define RAL_FIFOCSR0 0x0128 /* TX FIFO pointer */
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#define RAL_FIFOCSR1 0x012c /* RX FIFO pointer */
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#define RAL_BCNOCSR 0x0130 /* Beacon time offset */
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#define RAL_RLPWCSR 0x0134 /* RX_PE Low Width */
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#define RAL_TESTCSR 0x0138 /* Test Mode Select */
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#define RAL_PLCP1MCSR 0x013c /* Signal/Service/Length of ACK/CTS @1M */
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#define RAL_PLCP2MCSR 0x0140 /* Signal/Service/Length of ACK/CTS @2M */
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#define RAL_PLCP5p5MCSR 0x0144 /* Signal/Service/Length of ACK/CTS @5.5M */
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#define RAL_PLCP11MCSR 0x0148 /* Signal/Service/Length of ACK/CTS @11M */
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#define RAL_ACKPCTCSR 0x014c /* ACK/CTS padload consume time */
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#define RAL_ARTCSR1 0x0150 /* ACK/CTS padload consume time */
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#define RAL_ARTCSR2 0x0154 /* ACK/CTS padload consume time */
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#define RAL_SECCSR1 0x0158 /* WEP control */
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#define RAL_BBPCSR1 0x015c /* BBP TX Configuration */
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/* possible flags for register RXCSR0 */
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#define RAL_DISABLE_RX (1 << 0)
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#define RAL_DROP_CRC_ERROR (1 << 1)
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#define RAL_DROP_PHY_ERROR (1 << 2)
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#define RAL_DROP_CTL (1 << 3)
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#define RAL_DROP_NOT_TO_ME (1 << 4)
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#define RAL_DROP_TODS (1 << 5)
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#define RAL_DROP_VERSION_ERROR (1 << 6)
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/* possible flags for register CSR1 */
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#define RAL_RESET_ASIC (1 << 0)
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#define RAL_RESET_BBP (1 << 1)
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#define RAL_HOST_READY (1 << 2)
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/* possible flags for register CSR14 */
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#define RAL_ENABLE_TSF (1 << 0)
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#define RAL_ENABLE_TSF_SYNC(x) (((x) & 0x3) << 1)
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#define RAL_ENABLE_TBCN (1 << 3)
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#define RAL_ENABLE_BEACON_GENERATOR (1 << 6)
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/* possible flags for register CSR21 */
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#define RAL_EEPROM_C (1 << 1)
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#define RAL_EEPROM_S (1 << 2)
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#define RAL_EEPROM_D (1 << 3)
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#define RAL_EEPROM_Q (1 << 4)
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#define RAL_EEPROM_93C46 (1 << 5)
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#define RAL_EEPROM_SHIFT_D 3
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#define RAL_EEPROM_SHIFT_Q 4
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/* possible flags for register TXCSR0 */
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#define RAL_KICK_TX (1 << 0)
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#define RAL_KICK_ATIM (1 << 1)
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#define RAL_KICK_PRIO (1 << 2)
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#define RAL_ABORT_TX (1 << 3)
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/* possible flags for register SECCSR0 */
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#define RAL_KICK_DECRYPT (1 << 0)
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/* possible flags for register SECCSR1 */
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#define RAL_KICK_ENCRYPT (1 << 0)
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/* possible flags for register CSR7 */
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#define RAL_BEACON_EXPIRE 0x00000001
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#define RAL_WAKEUP_EXPIRE 0x00000002
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#define RAL_ATIM_EXPIRE 0x00000004
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#define RAL_TX_DONE 0x00000008
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#define RAL_ATIM_DONE 0x00000010
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#define RAL_PRIO_DONE 0x00000020
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#define RAL_RX_DONE 0x00000040
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#define RAL_DECRYPTION_DONE 0x00000080
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#define RAL_ENCRYPTION_DONE 0x00000100
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#define RAL_INTR_MASK \
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(~(RAL_BEACON_EXPIRE | RAL_WAKEUP_EXPIRE | RAL_TX_DONE | \
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RAL_PRIO_DONE | RAL_RX_DONE | RAL_DECRYPTION_DONE | \
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RAL_ENCRYPTION_DONE))
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/* Tx descriptor */
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struct ral_tx_desc {
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uint32_t flags;
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#define RAL_TX_BUSY (1 << 0)
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#define RAL_TX_VALID (1 << 1)
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#define RAL_TX_RESULT_MASK 0x0000001c
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#define RAL_TX_SUCCESS (0 << 2)
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#define RAL_TX_SUCCESS_RETRY (1 << 2)
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#define RAL_TX_FAIL_RETRY (2 << 2)
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#define RAL_TX_FAIL_INVALID (3 << 2)
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#define RAL_TX_FAIL_OTHER (4 << 2)
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#define RAL_TX_MORE_FRAG (1 << 8)
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#define RAL_TX_ACK (1 << 9)
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#define RAL_TX_TIMESTAMP (1 << 10)
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#define RAL_TX_OFDM (1 << 11)
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#define RAL_TX_CIPHER_BUSY (1 << 12)
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#define RAL_TX_IFS_MASK 0x00006000
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#define RAL_TX_IFS_BACKOFF (0 << 13)
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#define RAL_TX_IFS_SIFS (1 << 13)
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#define RAL_TX_IFS_NEWBACKOFF (2 << 13)
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#define RAL_TX_IFS_NONE (3 << 13)
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#define RAL_TX_LONG_RETRY (1 << 15)
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#define RAL_TX_CIPHER_MASK 0xe0000000
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#define RAL_TX_CIPHER_NONE (0 << 29)
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#define RAL_TX_CIPHER_WEP40 (1 << 29)
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#define RAL_TX_CIPHER_WEP104 (2 << 29)
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#define RAL_TX_CIPHER_TKIP (3 << 29)
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#define RAL_TX_CIPHER_AES (4 << 29)
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uint32_t physaddr;
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uint16_t wme;
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#define RAL_LOGCWMAX(x) (((x) & 0xf) << 12)
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#define RAL_LOGCWMIN(x) (((x) & 0xf) << 8)
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#define RAL_AIFSN(x) (((x) & 0x3) << 6)
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#define RAL_IVOFFSET(x) (((x) & 0x3f))
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uint16_t reserved1;
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uint8_t plcp_signal;
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uint8_t plcp_service;
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#define RAL_PLCP_LENGEXT 0x80
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uint8_t plcp_length_lo;
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uint8_t plcp_length_hi;
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uint32_t iv;
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uint32_t eiv;
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uint8_t key[IEEE80211_KEYBUF_SIZE];
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uint32_t reserved2[2];
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} __packed;
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/* Rx descriptor */
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struct ral_rx_desc {
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uint32_t flags;
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#define RAL_RX_BUSY (1 << 0)
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#define RAL_RX_CRC_ERROR (1 << 5)
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#define RAL_RX_PHY_ERROR (1 << 7)
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#define RAL_RX_CIPHER_BUSY (1 << 8)
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#define RAL_RX_ICV_ERROR (1 << 9)
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#define RAL_RX_CIPHER_MASK 0xe0000000
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#define RAL_RX_CIPHER_NONE (0 << 29)
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#define RAL_RX_CIPHER_WEP40 (1 << 29)
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#define RAL_RX_CIPHER_WEP104 (2 << 29)
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#define RAL_RX_CIPHER_TKIP (3 << 29)
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#define RAL_RX_CIPHER_AES (4 << 29)
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uint32_t physaddr;
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uint8_t rate;
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uint8_t rssi;
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uint8_t ta[IEEE80211_ADDR_LEN];
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uint32_t iv;
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uint32_t eiv;
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uint8_t key[IEEE80211_KEYBUF_SIZE];
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uint32_t reserved[2];
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} __packed;
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#define RAL_RF1 0
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#define RAL_RF2 2
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#define RAL_RF3 1
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#define RAL_RF4 3
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#define RAL_RF1_AUTOTUNE 0x08000
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#define RAL_RF3_AUTOTUNE 0x00040
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#define RAL_BBP_BUSY (1 << 15)
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#define RAL_BBP_WRITE (1 << 16)
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#define RAL_RF_20BIT (20 << 24)
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#define RAL_RF_BUSY (1 << 31)
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#define RAL_RF_2522 0x00
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#define RAL_RF_2523 0x01
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#define RAL_RF_2524 0x02
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#define RAL_RF_2525 0x03
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#define RAL_RF_2525E 0x04
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#define RAL_RF_2526 0x05
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/* dual-band RF */
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#define RAL_RF_5222 0x10
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#define RAL_BBP_VERSION 0
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#define RAL_BBP_TX 2
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#define RAL_BBP_RX 14
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#define RAL_BBP_ANTA 0x00
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#define RAL_BBP_DIVERSITY 0x01
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#define RAL_BBP_ANTB 0x02
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#define RAL_BBP_ANTMASK 0x03
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#define RAL_BBP_FLIPIQ 0x04
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#define RAL_LED_MODE_DEFAULT 0
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#define RAL_LED_MODE_TXRX_ACTIVITY 1
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#define RAL_LED_MODE_SINGLE 2
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#define RAL_LED_MODE_ASUS 3
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#define RAL_JAPAN_FILTER 0x8
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#define RAL_EEPROM_DELAY 1 /* minimum hold time (microsecond) */
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#define RAL_EEPROM_CONFIG0 16
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#define RAL_EEPROM_BBP_BASE 19
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#define RAL_EEPROM_TXPOWER 35
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/*
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* control and status registers access macros
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*/
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#define RAL_READ(sc, reg) \
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bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
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#define RAL_WRITE(sc, reg, val) \
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bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
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/*
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* EEPROM access macro
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*/
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#define RAL_EEPROM_CTL(sc, val) do { \
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RAL_WRITE((sc), RAL_CSR21, (val)); \
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DELAY(RAL_EEPROM_DELAY); \
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} while (/* CONSTCOND */0)
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