/* $OpenBSD: ar5210.c,v 1.7 2004/11/23 10:13:04 reyk Exp $ */ /* * Copyright (c) 2004 Reyk Floeter . * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY * SPECIAL 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. */ /* * HAL interface for the Atheros AR5000 Wireless LAN chipset * (AR5210 + AR5110). */ #include #include #include HAL_BOOL ar5k_ar5210_nic_reset(struct ath_hal *, u_int32_t); HAL_BOOL ar5k_ar5210_nic_wakeup(struct ath_hal *, HAL_BOOL, HAL_BOOL); u_int32_t ar5k_ar5210_chan2athchan(HAL_CHANNEL *); HAL_BOOL ar5k_ar5210_set_channel(struct ath_hal *, HAL_CHANNEL *); void ar5k_ar5210_init_tx_queue(struct ath_hal *, u_int, HAL_BOOL); const void ar5k_ar5210_fill(struct ath_hal *); AR5K_HAL_FUNCTIONS(extern, ar5k_ar5210,); const void ar5k_ar5210_fill(hal) struct ath_hal *hal; { hal->ah_magic = AR5K_AR5210_MAGIC; /* * Init/Exit functions */ AR5K_HAL_FUNCTION(hal, ar5210, getRateTable); AR5K_HAL_FUNCTION(hal, ar5210, detach); /* * Reset functions */ AR5K_HAL_FUNCTION(hal, ar5210, reset); AR5K_HAL_FUNCTION(hal, ar5210, setPCUConfig); AR5K_HAL_FUNCTION(hal, ar5210, perCalibration); /* * TX functions */ AR5K_HAL_FUNCTION(hal, ar5210, updateTxTrigLevel); AR5K_HAL_FUNCTION(hal, ar5210, setupTxQueue); AR5K_HAL_FUNCTION(hal, ar5210, setTxQueueProps); AR5K_HAL_FUNCTION(hal, ar5210, releaseTxQueue); AR5K_HAL_FUNCTION(hal, ar5210, resetTxQueue); AR5K_HAL_FUNCTION(hal, ar5210, getTxDP); AR5K_HAL_FUNCTION(hal, ar5210, setTxDP); AR5K_HAL_FUNCTION(hal, ar5210, startTxDma); AR5K_HAL_FUNCTION(hal, ar5210, stopTxDma); AR5K_HAL_FUNCTION(hal, ar5210, setupTxDesc); AR5K_HAL_FUNCTION(hal, ar5210, setupXTxDesc); AR5K_HAL_FUNCTION(hal, ar5210, fillTxDesc); AR5K_HAL_FUNCTION(hal, ar5210, procTxDesc); AR5K_HAL_FUNCTION(hal, ar5210, hasVEOL); /* * RX functions */ AR5K_HAL_FUNCTION(hal, ar5210, getRxDP); AR5K_HAL_FUNCTION(hal, ar5210, setRxDP); AR5K_HAL_FUNCTION(hal, ar5210, enableReceive); AR5K_HAL_FUNCTION(hal, ar5210, stopDmaReceive); AR5K_HAL_FUNCTION(hal, ar5210, startPcuReceive); AR5K_HAL_FUNCTION(hal, ar5210, stopPcuReceive); AR5K_HAL_FUNCTION(hal, ar5210, setMulticastFilter); AR5K_HAL_FUNCTION(hal, ar5210, setMulticastFilterIndex); AR5K_HAL_FUNCTION(hal, ar5210, clrMulticastFilterIndex); AR5K_HAL_FUNCTION(hal, ar5210, getRxFilter); AR5K_HAL_FUNCTION(hal, ar5210, setRxFilter); AR5K_HAL_FUNCTION(hal, ar5210, setupRxDesc); AR5K_HAL_FUNCTION(hal, ar5210, procRxDesc); AR5K_HAL_FUNCTION(hal, ar5210, rxMonitor); /* * Misc functions */ AR5K_HAL_FUNCTION(hal, ar5210, dumpState); AR5K_HAL_FUNCTION(hal, ar5210, getDiagState); AR5K_HAL_FUNCTION(hal, ar5210, getMacAddress); AR5K_HAL_FUNCTION(hal, ar5210, setMacAddress); AR5K_HAL_FUNCTION(hal, ar5210, setRegulatoryDomain); AR5K_HAL_FUNCTION(hal, ar5210, setLedState); AR5K_HAL_FUNCTION(hal, ar5210, writeAssocid); AR5K_HAL_FUNCTION(hal, ar5210, gpioCfgInput); AR5K_HAL_FUNCTION(hal, ar5210, gpioCfgOutput); AR5K_HAL_FUNCTION(hal, ar5210, gpioGet); AR5K_HAL_FUNCTION(hal, ar5210, gpioSet); AR5K_HAL_FUNCTION(hal, ar5210, gpioSetIntr); AR5K_HAL_FUNCTION(hal, ar5210, getTsf32); AR5K_HAL_FUNCTION(hal, ar5210, getTsf64); AR5K_HAL_FUNCTION(hal, ar5210, resetTsf); AR5K_HAL_FUNCTION(hal, ar5210, getRegDomain); AR5K_HAL_FUNCTION(hal, ar5210, detectCardPresent); AR5K_HAL_FUNCTION(hal, ar5210, updateMibCounters); AR5K_HAL_FUNCTION(hal, ar5210, getRfGain); AR5K_HAL_FUNCTION(hal, ar5210, setSlotTime); AR5K_HAL_FUNCTION(hal, ar5210, getSlotTime); AR5K_HAL_FUNCTION(hal, ar5210, setAckTimeout); AR5K_HAL_FUNCTION(hal, ar5210, getAckTimeout); AR5K_HAL_FUNCTION(hal, ar5210, setCTSTimeout); AR5K_HAL_FUNCTION(hal, ar5210, getCTSTimeout); /* * Key table (WEP) functions */ AR5K_HAL_FUNCTION(hal, ar5210, isHwCipherSupported); AR5K_HAL_FUNCTION(hal, ar5210, getKeyCacheSize); AR5K_HAL_FUNCTION(hal, ar5210, resetKeyCacheEntry); AR5K_HAL_FUNCTION(hal, ar5210, isKeyCacheEntryValid); AR5K_HAL_FUNCTION(hal, ar5210, setKeyCacheEntry); AR5K_HAL_FUNCTION(hal, ar5210, setKeyCacheEntryMac); /* * Power management functions */ AR5K_HAL_FUNCTION(hal, ar5210, setPowerMode); AR5K_HAL_FUNCTION(hal, ar5210, getPowerMode); AR5K_HAL_FUNCTION(hal, ar5210, queryPSPollSupport); AR5K_HAL_FUNCTION(hal, ar5210, initPSPoll); AR5K_HAL_FUNCTION(hal, ar5210, enablePSPoll); AR5K_HAL_FUNCTION(hal, ar5210, disablePSPoll); /* * Beacon functions */ AR5K_HAL_FUNCTION(hal, ar5210, beaconInit); AR5K_HAL_FUNCTION(hal, ar5210, setStationBeaconTimers); AR5K_HAL_FUNCTION(hal, ar5210, resetStationBeaconTimers); AR5K_HAL_FUNCTION(hal, ar5210, waitForBeaconDone); /* * Interrupt functions */ AR5K_HAL_FUNCTION(hal, ar5210, isInterruptPending); AR5K_HAL_FUNCTION(hal, ar5210, getPendingInterrupts); AR5K_HAL_FUNCTION(hal, ar5210, getInterrupts); AR5K_HAL_FUNCTION(hal, ar5210, setInterrupts); /* * Chipset functions (ar5k-specific, non-HAL) */ AR5K_HAL_FUNCTION(hal, ar5210, get_capabilities); AR5K_HAL_FUNCTION(hal, ar5210, radar_alert); AR5K_HAL_FUNCTION(hal, ar5210, regulation_domain); /* * EEPROM access */ AR5K_HAL_FUNCTION(hal, ar5210, eeprom_init); AR5K_HAL_FUNCTION(hal, ar5210, eeprom_is_busy); AR5K_HAL_FUNCTION(hal, ar5210, eeprom_read); AR5K_HAL_FUNCTION(hal, ar5210, eeprom_write); } struct ath_hal * ar5k_ar5210_attach(device, sc, st, sh, status) u_int16_t device; void *sc; bus_space_tag_t st; bus_space_handle_t sh; int *status; { int i; struct ath_hal *hal = (struct ath_hal*) sc; u_int8_t mac[IEEE80211_ADDR_LEN]; ar5k_ar5210_fill(hal); /* Bring device out of sleep and reset it's units */ if (ar5k_ar5210_nic_wakeup(hal, AH_FALSE, AH_TRUE) != AH_TRUE) return (NULL); /* Get MAC, PHY and RADIO revisions */ hal->ah_mac_version = 1; hal->ah_mac_revision = (AR5K_REG_READ(AR5K_AR5210_SREV) & AR5K_AR5210_SREV_ID_M); hal->ah_phy_revision = AR5K_REG_READ(AR5K_AR5210_PHY_CHIP_ID) & 0x00ffffffff; /* ...wait until PHY is ready and read RADIO revision */ AR5K_REG_WRITE(AR5K_AR5210_PHY(0x34), 0x00001c16); for (i = 0; i < 4; i++) AR5K_REG_WRITE(AR5K_AR5210_PHY(0x20), 0x00010000); hal->ah_radio_5ghz_revision = (u_int16_t) (ar5k_bitswap((AR5K_REG_READ(AR5K_AR5210_PHY(256) >> 28) & 0xf), 4) + 1); hal->ah_radio_2ghz_revision = 0; memset(&mac, 0xff, sizeof(mac)); ar5k_ar5210_writeAssocid(hal, mac, 0, 0); ar5k_ar5210_getMacAddress(hal, mac); ar5k_ar5210_setPCUConfig(hal); return (hal); } HAL_BOOL ar5k_ar5210_nic_reset(hal, val) struct ath_hal *hal; u_int32_t val; { HAL_BOOL ret = AH_FALSE; u_int32_t mask = val ? val : ~0; /* * Reset the device and wait until success */ AR5K_REG_WRITE(AR5K_AR5210_RC, val); /* Wait at least 128 PCI clocks */ AR5K_DELAY(15); val &= AR5K_AR5210_RC_PCU | AR5K_AR5210_RC_MAC | AR5K_AR5210_RC_PHY | AR5K_AR5210_RC_DMA; mask &= AR5K_AR5210_RC_PCU | AR5K_AR5210_RC_MAC | AR5K_AR5210_RC_PHY | AR5K_AR5210_RC_DMA; ret = ar5k_register_timeout(hal, AR5K_AR5210_RC, mask, val, AH_FALSE); /* * Reset configuration register */ if ((val & AR5K_AR5210_RC_MAC) == 0) AR5K_REG_WRITE(AR5K_AR5210_CFG, AR5K_AR5210_INIT_CFG); return (ret); } HAL_BOOL ar5k_ar5210_nic_wakeup(hal, turbo, initial) struct ath_hal *hal; HAL_BOOL turbo; HAL_BOOL initial; { /* * Reset and wakeup the device */ if (initial == AH_TRUE) { /* ...reset hardware */ if (ar5k_ar5210_nic_reset(hal, AR5K_AR5210_RC_PCI) == AH_FALSE) { AR5K_PRINT("failed to reset the PCI chipset\n"); return (AH_FALSE); } AR5K_DELAY(1000); } /* ...wakeup the device */ if (ar5k_ar5210_setPowerMode(hal, HAL_PM_AWAKE, AH_TRUE, 0) == AH_FALSE) { AR5K_PRINT("failed to resume the AR5210 chipset\n"); return (AH_FALSE); } /* ...enable Atheros turbo mode if requested */ AR5K_REG_WRITE(AR5K_AR5210_PHY_FC, turbo == AH_TRUE ? AR5K_AR5210_PHY_FC_TURBO_MODE : 0); /* ...reset chipset */ if (ar5k_ar5210_nic_reset(hal, AR5K_AR5210_RC_CHIP) == AH_FALSE) { AR5K_PRINT("failed to reset the AR5210 chipset\n"); return (AH_FALSE); } AR5K_DELAY(1000); /* ...reset chipset and PCI device */ if (ar5k_ar5210_nic_reset(hal, AR5K_AR5210_RC_CHIP | AR5K_AR5210_RC_PCI) == AH_FALSE) { AR5K_PRINT("failed to reset the AR5210 + PCI chipset\n"); return (AH_FALSE); } AR5K_DELAY(2300); /* ...wakeup (again) */ if (ar5k_ar5210_setPowerMode(hal, HAL_PM_AWAKE, AH_TRUE, 0) == AH_FALSE) { AR5K_PRINT("failed to resume the AR5210 (again)\n"); return (AH_FALSE); } /* ...final warm reset */ if (ar5k_ar5210_nic_reset(hal, 0) == AH_FALSE) { AR5K_PRINT("failed to warm reset the AR5210\n"); return (AH_FALSE); } return (AH_TRUE); } u_int32_t ar5k_ar5210_chan2athchan(channel) HAL_CHANNEL *channel; { u_int32_t athchan; /* * Convert IEEE channel/MHz to an internal channel value used * by the AR5210 chipset. This has not been verified with * newer chipsets like the AR5212A who have a completely * different RF/PHY part. */ athchan = (ar5k_bitswap((ieee80211_mhz2ieee(channel->c_channel, channel->c_channel_flags) - 24) / 2, 5) << 1) | (1 << 6) | 0x1; return (athchan); } HAL_BOOL ar5k_ar5210_set_channel(hal, channel) struct ath_hal *hal; HAL_CHANNEL *channel; { u_int32_t data; /* Disable phy and wait */ AR5K_REG_WRITE(AR5K_AR5210_PHY_ACTIVE, AR5K_AR5210_PHY_DISABLE); AR5K_DELAY(1000); /* * Check bounds supported by the PHY * (don't care about regulation restrictions at this point) */ if (channel->c_channel < hal->ah_capabilities.cap_range.range_5ghz_min || channel->c_channel > hal->ah_capabilities.cap_range.range_5ghz_max) { AR5K_PRINTF("channel out of supported range (%uMHz)\n", channel->c_channel); return (AH_FALSE); } /* * Set the channel and wait */ data = ar5k_ar5210_chan2athchan(channel); AR5K_REG_WRITE(AR5K_AR5210_PHY(0x27), data); AR5K_REG_WRITE(AR5K_AR5210_PHY(0x30), 0); AR5K_DELAY(1000); /* * Activate phy and wait */ AR5K_REG_WRITE(AR5K_AR5210_PHY_ACTIVE, AR5K_AR5210_PHY_ENABLE); AR5K_DELAY(1000); hal->ah_current_channel.channel = channel->c_channel; hal->ah_current_channel.channelFlags = channel->c_channel_flags; hal->ah_turbo = channel->c_channel_flags == CHANNEL_T ? AH_TRUE : AH_FALSE; return (AH_TRUE); } const HAL_RATE_TABLE * ar5k_ar5210_getRateTable(hal, mode) struct ath_hal *hal; u_int mode; { switch (mode) { case HAL_MODE_11A: return (&hal->ah_rt_11a); case HAL_MODE_TURBO: return (&hal->ah_rt_turbo); case HAL_MODE_11B: case HAL_MODE_11G: default: return (NULL); } return (NULL); } void ar5k_ar5210_detach(hal) struct ath_hal *hal; { /* * Free HAL structure, assume interrupts are down */ free(hal, M_DEVBUF); } HAL_BOOL ar5k_ar5210_reset(hal, op_mode, channel, change_channel, status) struct ath_hal *hal; HAL_OPMODE op_mode; HAL_CHANNEL *channel; HAL_BOOL change_channel; HAL_STATUS *status; { int i; struct ar5k_ini initial[] = AR5K_AR5210_INI; if (ar5k_ar5210_nic_wakeup(hal, channel->c_channel_flags & IEEE80211_CHAN_T ? AH_TRUE : AH_FALSE, AH_FALSE) == AH_FALSE) return (AH_FALSE); /* * Initialize operating mode */ hal->ah_op_mode = op_mode; ar5k_ar5210_setPCUConfig(hal); /* * Write initial mode register settings */ for (i = 0; i < AR5K_ELEMENTS(initial); i++) { if (change_channel == AH_TRUE && initial[i].ini_register >= AR5K_AR5210_PCU_MIN && initial[i].ini_register <= AR5K_AR5210_PCU_MAX) continue; switch (initial[i].ini_mode) { case INI_READ: /* Cleared on read */ AR5K_REG_READ(initial[i].ini_register); break; case INI_WRITE: default: AR5K_REG_WRITE(initial[i].ini_register, initial[i].ini_value); } } AR5K_DELAY(1000); /* * Set channel and calibrate the PHY */ if (ar5k_ar5210_perCalibration(hal, channel) == AH_FALSE) return (AH_FALSE); /* * Set RF kill flags if supported by the device (read from the EEPROM) */ if (hal->ah_capabilities.cap_eeprom.ee_rfkill != 0) { if ((hal->ah_gpio[0] = ar5k_ar5210_gpioGet(hal, 0)) == 0) ar5k_ar5210_gpioSetIntr(hal, 0, 1); else ar5k_ar5210_gpioSetIntr(hal, 0, 0); } /* * Reset queues and start beacon timers at the end of the reset routine */ for (i = 0; i < hal->ah_capabilities.cap_queues.q_tx_num; i++) { if (ar5k_ar5210_resetTxQueue(hal, i) == AH_FALSE) { AR5K_PRINTF("failed to reset TX queue #%d\n", i); return (AH_FALSE); } } AR5K_REG_ENABLE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_EN | AR5K_AR5210_BEACON_RESET_TSF); return (AH_TRUE); } void ar5k_ar5210_setPCUConfig(hal) struct ath_hal *hal; { u_int32_t pcu_reg, beacon_reg, low_id, high_id; beacon_reg = 0; pcu_reg = 0; switch (hal->ah_op_mode) { case IEEE80211_M_STA: pcu_reg |= AR5K_AR5210_STA_ID1_NO_PSPOLL | AR5K_AR5210_STA_ID1_DESC_ANTENNA | AR5K_AR5210_STA_ID1_PWR_SV; break; case IEEE80211_M_IBSS: pcu_reg |= AR5K_AR5210_STA_ID1_ADHOC | AR5K_AR5210_STA_ID1_NO_PSPOLL | AR5K_AR5210_STA_ID1_DESC_ANTENNA; beacon_reg |= AR5K_AR5210_BCR_ADHOC; break; case IEEE80211_M_HOSTAP: pcu_reg |= AR5K_AR5210_STA_ID1_AP | AR5K_AR5210_STA_ID1_NO_PSPOLL | AR5K_AR5210_STA_ID1_DESC_ANTENNA; beacon_reg |= AR5K_AR5210_BCR_AP; break; case IEEE80211_M_MONITOR: pcu_reg |= AR5K_AR5210_STA_ID1_NO_PSPOLL; break; default: return; } /* * Set PCU and BCR registers */ memcpy(&low_id, &(hal->ah_sta_id[0]), 4); memcpy(&high_id, &(hal->ah_sta_id[4]), 2); AR5K_REG_WRITE(AR5K_AR5210_STA_ID0, low_id); AR5K_REG_WRITE(AR5K_AR5210_STA_ID1, pcu_reg | high_id); AR5K_REG_WRITE(AR5K_AR5210_BCR, beacon_reg); return; } HAL_BOOL ar5k_ar5210_perCalibration(hal, channel) struct ath_hal *hal; HAL_CHANNEL *channel; { /* * Disable beacons and RX/TX queues, wait */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_DIAG_SW, AR5K_AR5210_DIAG_SW_DIS_TX | AR5K_AR5210_DIAG_SW_DIS_RX); AR5K_REG_DISABLE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_EN); AR5K_DELAY(2300); /* * Set the channel (with AGC turned off) */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PHY_AGC, AR5K_AR5210_PHY_AGC_DISABLE); if (ar5k_ar5210_set_channel(hal, channel) != AH_TRUE) return (AH_FALSE); AR5K_REG_DISABLE_BITS(AR5K_AR5210_PHY_AGC, AR5K_AR5210_PHY_AGC_DISABLE); /* * Enable noise floor calibration and wait until completion */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGC_CAL); if (ar5k_register_timeout(hal, AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGC_CAL, 0, AH_FALSE) == AH_FALSE) { AR5K_PRINTF("calibration timeout (%uMHz)\n", channel->c_channel); return (AH_FALSE); } /* * XXX Check the current noise floor? */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGC_NF); /* * Re-enable RX/TX and beacons */ AR5K_REG_DISABLE_BITS(AR5K_AR5210_DIAG_SW, AR5K_AR5210_DIAG_SW_DIS_TX | AR5K_AR5210_DIAG_SW_DIS_RX); AR5K_REG_ENABLE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_EN); return (AH_TRUE); } /* * Transmit functions */ HAL_BOOL ar5k_ar5210_updateTxTrigLevel(hal, increase) struct ath_hal *hal; HAL_BOOL increase; { u_int32_t trigger_level; HAL_BOOL status = AH_FALSE; /* * Disable interrupts by setting the mask */ AR5K_REG_DISABLE_BITS(AR5K_AR5210_IMR, HAL_INT_GLOBAL); trigger_level = AR5K_REG_READ(AR5K_AR5210_TRIG_LVL); if (increase == AH_FALSE) { if (--trigger_level < AR5K_TUNE_MIN_TX_FIFO_THRES) goto done; } else trigger_level += ((AR5K_TUNE_MAX_TX_FIFO_THRES - trigger_level) / 2); /* * Update trigger level on success */ AR5K_REG_WRITE(AR5K_AR5210_TRIG_LVL, trigger_level); status = AH_TRUE; done: /* * Restore interrupt mask */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_IMR, HAL_INT_GLOBAL); return (status); } int ar5k_ar5210_setupTxQueue(hal, queue_type, queue_info) struct ath_hal *hal; HAL_TX_QUEUE queue_type; const HAL_TXQ_INFO *queue_info; { u_int queue; /* * Get queue by type */ switch (queue_type) { case HAL_TX_QUEUE_DATA: queue = 0; break; case HAL_TX_QUEUE_BEACON: case HAL_TX_QUEUE_CAB: queue = 1; break; default: return (EINVAL); } /* * Setup internal queue structure */ bzero(&hal->ah_txq[queue], sizeof(HAL_TXQ_INFO)); hal->ah_txq[queue].tqi_type = queue_type; if (queue_info != NULL) { if (ar5k_ar5210_setTxQueueProps(hal, queue, queue_info) != AH_TRUE) return (AH_FALSE); } return (0); } HAL_BOOL ar5k_ar5210_setTxQueueProps(hal, queue, queue_info) struct ath_hal *hal; int queue; const HAL_TXQ_INFO *queue_info; { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); if (hal->ah_txq[queue].tqi_type == HAL_TX_QUEUE_INACTIVE) return (AH_FALSE); hal->ah_txq[queue].tqi_aifs = queue_info->tqi_aifs; hal->ah_txq[queue].tqi_cw_max = queue_info->tqi_cw_max; hal->ah_txq[queue].tqi_cw_min = queue_info->tqi_cw_min; hal->ah_txq[queue].tqi_flags = queue_info->tqi_flags; return (AH_TRUE); } HAL_BOOL ar5k_ar5210_releaseTxQueue(hal, queue) struct ath_hal *hal; u_int queue; { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* This queue will be skipped in further operations */ hal->ah_txq[queue].tqi_type = HAL_TX_QUEUE_INACTIVE; return (AH_FALSE); } void ar5k_ar5210_init_tx_queue(hal, aifs, turbo) struct ath_hal *hal; u_int aifs; HAL_BOOL turbo; { int i; struct { u_int16_t mode_register; u_int32_t mode_base, mode_turbo; } initial[] = AR5K_AR5210_INI_MODE(aifs); /* * Write initial mode register settings */ for (i = 0; i < AR5K_ELEMENTS(initial); i++) AR5K_REG_WRITE(initial[i].mode_register, turbo == AH_TRUE ? initial[i].mode_turbo : initial[i].mode_base); } HAL_BOOL ar5k_ar5210_resetTxQueue(hal, queue) struct ath_hal *hal; u_int queue; { u_int32_t cw_min, retry_lg, retry_sh; HAL_TXQ_INFO *tq; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); tq = &hal->ah_txq[queue]; /* Only handle data queues, others will be ignored */ if (tq->tqi_type != HAL_TX_QUEUE_DATA) return (AH_TRUE); /* Set turbo/base mode parameters */ ar5k_ar5210_init_tx_queue(hal, hal->ah_aifs + tq->tqi_aifs, hal->ah_turbo == AH_TRUE ? AH_TRUE : AH_FALSE); /* * Set retry limits */ if (hal->ah_software_retry == AH_TRUE) { /* XXX Need to test this */ retry_lg = hal->ah_limit_tx_retries; retry_sh = retry_lg = retry_lg > AR5K_AR5210_RETRY_LMT_SH_RETRY ? AR5K_AR5210_RETRY_LMT_SH_RETRY : retry_lg; } else { retry_lg = AR5K_INIT_LG_RETRY; retry_sh = AR5K_INIT_SH_RETRY; } /* * Set initial content window (cw_min/cw_max) */ cw_min = 1; while (cw_min < hal->ah_cw_min) cw_min = (cw_min << 1) | 1; cw_min = tq->tqi_cw_min < 0 ? (cw_min >> (-tq->tqi_cw_min)) : ((cw_min << tq->tqi_cw_min) + (1 << tq->tqi_cw_min) - 1); /* Commit values */ AR5K_REG_WRITE(AR5K_AR5210_RETRY_LMT, (cw_min << AR5K_AR5210_RETRY_LMT_CW_MIN_S) | AR5K_REG_SM(AR5K_INIT_SLG_RETRY, AR5K_AR5210_RETRY_LMT_SLG_RETRY) | AR5K_REG_SM(AR5K_INIT_SSH_RETRY, AR5K_AR5210_RETRY_LMT_SSH_RETRY) | AR5K_REG_SM(retry_lg, AR5K_AR5210_RETRY_LMT_LG_RETRY) | AR5K_REG_SM(retry_sh, AR5K_AR5210_RETRY_LMT_SH_RETRY)); return (AH_TRUE); } u_int32_t ar5k_ar5210_getTxDP(hal, queue) struct ath_hal *hal; u_int queue; { u_int16_t tx_reg; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* * Get the transmit queue descriptor pointer register by type */ switch (hal->ah_txq[queue].tqi_type) { case HAL_TX_QUEUE_DATA: tx_reg = AR5K_AR5210_TXDP0; break; case HAL_TX_QUEUE_BEACON: case HAL_TX_QUEUE_CAB: tx_reg = AR5K_AR5210_TXDP1; break; default: return (0xffffffff); } return (AR5K_REG_READ(tx_reg)); } HAL_BOOL ar5k_ar5210_setTxDP(hal, queue, phys_addr) struct ath_hal *hal; u_int queue; u_int32_t phys_addr; { u_int16_t tx_reg; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* * Get the transmit queue descriptor pointer register by type */ switch (hal->ah_txq[queue].tqi_type) { case HAL_TX_QUEUE_DATA: tx_reg = AR5K_AR5210_TXDP0; break; case HAL_TX_QUEUE_BEACON: case HAL_TX_QUEUE_CAB: tx_reg = AR5K_AR5210_TXDP1; break; default: return (AH_FALSE); } /* Set descriptor pointer */ AR5K_REG_WRITE(tx_reg, phys_addr); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_startTxDma(hal, queue) struct ath_hal *hal; u_int queue; { u_int32_t tx_queue; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); tx_queue = AR5K_REG_READ(AR5K_AR5210_CR); /* * Set the queue type */ switch (hal->ah_txq[queue].tqi_type) { case HAL_TX_QUEUE_DATA: tx_queue |= AR5K_AR5210_CR_TXE0 & ~AR5K_AR5210_CR_TXD0; break; case HAL_TX_QUEUE_BEACON: tx_queue |= AR5K_AR5210_CR_TXE1 & ~AR5K_AR5210_CR_TXD1; AR5K_REG_WRITE(AR5K_AR5210_BSR, AR5K_AR5210_BCR_TQ1V | AR5K_AR5210_BCR_BDMAE); break; case HAL_TX_QUEUE_CAB: tx_queue |= AR5K_AR5210_CR_TXE1 & ~AR5K_AR5210_CR_TXD1; AR5K_REG_WRITE(AR5K_AR5210_BSR, AR5K_AR5210_BCR_TQ1FV | AR5K_AR5210_BCR_TQ1V | AR5K_AR5210_BCR_BDMAE); break; default: return (AH_FALSE); } /* Start queue */ AR5K_REG_WRITE(AR5K_AR5210_CR, tx_queue); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_stopTxDma(hal, queue) struct ath_hal *hal; u_int queue; { u_int32_t tx_queue; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); tx_queue = AR5K_REG_READ(AR5K_AR5210_CR); /* * Set by queue type */ switch (hal->ah_txq[queue].tqi_type) { case HAL_TX_QUEUE_DATA: tx_queue |= AR5K_AR5210_CR_TXD0 & ~AR5K_AR5210_CR_TXE0; break; case HAL_TX_QUEUE_BEACON: case HAL_TX_QUEUE_CAB: /* XXX Fix me... */ tx_queue |= AR5K_AR5210_CR_TXD1 & ~AR5K_AR5210_CR_TXD1; AR5K_REG_WRITE(AR5K_AR5210_BSR, 0); break; default: return (AH_FALSE); } /* Stop queue */ AR5K_REG_WRITE(AR5K_AR5210_CR, tx_queue); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_setupTxDesc(hal, desc, packet_length, header_length, type, tx_power, tx_rate0, tx_tries0, key_index, antenna_mode, flags, rtscts_rate, rtscts_duration) struct ath_hal *hal; struct ath_desc *desc; u_int packet_length; u_int header_length; HAL_PKT_TYPE type; u_int tx_power; u_int tx_rate0; u_int tx_tries0; u_int key_index; u_int antenna_mode; u_int flags; u_int rtscts_rate; u_int rtscts_duration; { struct ar5k_ar5210_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5210_tx_desc*)&desc->ds_ctl0; /* Clear descriptor */ bzero(tx_desc, sizeof(struct ar5k_ar5210_tx_desc)); /* * Validate input */ if (tx_tries0 == 0) return (AH_FALSE); switch (type) { case HAL_PKT_TYPE_NORMAL: tx_desc->frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_NORMAL; break; case HAL_PKT_TYPE_ATIM: tx_desc->frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_ATIM; break; case HAL_PKT_TYPE_PSPOLL: tx_desc->frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_PSPOLL; break; case HAL_PKT_TYPE_BEACON: case HAL_PKT_TYPE_PROBE_RESP: tx_desc->frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_NO_DELAY; break; case HAL_PKT_TYPE_PIFS: tx_desc->frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_PIFS; break; default: /* Invalid packet type (possibly not supported) */ return (AH_FALSE); } if ((tx_desc->frame_len = packet_length) != packet_length) return (AH_FALSE); if ((tx_desc->header_len = header_length) != header_length) return (AH_FALSE); tx_desc->xmit_rate = tx_rate0; tx_desc->ant_mode_xmit = antenna_mode ? 1 : 0; tx_desc->clear_dest_mask = flags & HAL_TXDESC_CLRDMASK ? 1 : 0; /* * WEP crap */ if (key_index != HAL_TXKEYIX_INVALID) { tx_desc->encrypt_key_valid = 1; tx_desc->encrypt_key_index = key_index; } /* * RTS/CTS */ if (flags & (HAL_TXDESC_RTSENA|HAL_TXDESC_CTSENA)) { tx_desc->rts_cts_enable = 1; tx_desc->rts_duration = rtscts_duration; } return (AH_TRUE); } HAL_BOOL ar5k_ar5210_fillTxDesc(hal, desc, segment_length, first_segment, last_segment) struct ath_hal *hal; struct ath_desc *desc; u_int segment_length; HAL_BOOL first_segment; HAL_BOOL last_segment; { struct ar5k_ar5210_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5210_tx_desc*)&desc->ds_ctl0; /* Clear status descriptor */ desc->ds_hw[0] = desc->ds_hw[1] = 0; /* Validate segment length and initialize the descriptor */ if ((tx_desc->buf_len = segment_length) != segment_length) return (AH_FALSE); if (first_segment != AH_TRUE) tx_desc->frame_len = 0; tx_desc->more = last_segment == AH_TRUE ? 0 : 1; return (AH_TRUE); } HAL_BOOL ar5k_ar5210_setupXTxDesc(hal, desc, tx_rate1, tx_tries1, tx_rate2, tx_tries2, tx_rate3, tx_tries3) struct ath_hal *hal; struct ath_desc *desc; u_int tx_rate1; u_int tx_tries1; u_int tx_rate2; u_int tx_tries2; u_int tx_rate3; u_int tx_tries3; { /* * Does this function is for setting up XR? Not sure... * Nevertheless, I didn't find any information about XR support * by the AR5210. This seems to be a slightly new feature. */ return (AH_FALSE); } HAL_STATUS ar5k_ar5210_procTxDesc(hal, desc) struct ath_hal *hal; struct ath_desc *desc; { struct ar5k_ar5210_tx_status *tx_status; struct ar5k_ar5210_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5210_tx_desc*)&desc->ds_ctl0; tx_status = (struct ar5k_ar5210_tx_status*)&desc->ds_hw[0]; /* No frame has been send or error */ if (tx_status->done == 0) return (HAL_EINPROGRESS); /* * Get descriptor status */ desc->ds_us.tx.ts_seqnum = tx_status->seq_num; desc->ds_us.tx.ts_tstamp = tx_status->send_timestamp; desc->ds_us.tx.ts_shortretry = tx_status->short_retry_count; desc->ds_us.tx.ts_longretry = tx_status->long_retry_count; desc->ds_us.tx.ts_rssi = tx_status->ack_sig_strength; desc->ds_us.tx.ts_rate = tx_desc->xmit_rate; desc->ds_us.tx.ts_antenna = 0; desc->ds_us.tx.ts_status = 0; if (tx_status->frame_xmit_ok == 0) { if (tx_status->excessive_retries) desc->ds_us.tx.ts_status |= HAL_TXERR_XRETRY; if (tx_status->fifo_underrun) desc->ds_us.tx.ts_status |= HAL_TXERR_FIFO; if (tx_status->filtered) desc->ds_us.tx.ts_status |= HAL_TXERR_FILT; } #if 0 /* * Reset descriptor */ bzero(tx_desc, sizeof(struct ar5k_ar5210_tx_desc)); bzero(tx_status, sizeof(struct ar5k_ar5210_tx_status)); #endif return (HAL_OK); } HAL_BOOL ar5k_ar5210_hasVEOL(hal) struct ath_hal *hal; { return (AH_FALSE); } /* * Receive functions */ u_int32_t ar5k_ar5210_getRxDP(hal) struct ath_hal *hal; { return (AR5K_REG_READ(AR5K_AR5210_RXDP)); } void ar5k_ar5210_setRxDP(hal, phys_addr) struct ath_hal *hal; u_int32_t phys_addr; { AR5K_REG_WRITE(AR5K_AR5210_RXDP, phys_addr); } void ar5k_ar5210_enableReceive(hal) struct ath_hal *hal; { AR5K_REG_WRITE(AR5K_AR5210_CR, AR5K_AR5210_CR_RXE); } HAL_BOOL ar5k_ar5210_stopDmaReceive(hal) struct ath_hal *hal; { int i; AR5K_REG_WRITE(AR5K_AR5210_CR, AR5K_AR5210_CR_RXD); /* * It may take some time to disable the DMA receive unit */ for (i = 2000; i > 0 && (AR5K_REG_READ(AR5K_AR5210_CR) & AR5K_AR5210_CR_RXE) != 0; i--) AR5K_DELAY(10); return (i > 0 ? AH_TRUE : AH_FALSE); } void ar5k_ar5210_startPcuReceive(hal) struct ath_hal *hal; { AR5K_REG_DISABLE_BITS(AR5K_AR5210_DIAG_SW, AR5K_AR5210_DIAG_SW_DIS_RX); } void ar5k_ar5210_stopPcuReceive(hal) struct ath_hal *hal; { AR5K_REG_ENABLE_BITS(AR5K_AR5210_DIAG_SW, AR5K_AR5210_DIAG_SW_DIS_RX); } void ar5k_ar5210_setMulticastFilter(hal, filter0, filter1) struct ath_hal *hal; u_int32_t filter0; u_int32_t filter1; { /* Set the multicat filter */ AR5K_REG_WRITE(AR5K_AR5210_MCAST_FIL0, filter0); AR5K_REG_WRITE(AR5K_AR5210_MCAST_FIL1, filter1); } HAL_BOOL ar5k_ar5210_setMulticastFilterIndex(hal, index) struct ath_hal *hal; u_int32_t index; { if (index >= 64) return (AH_FALSE); else if (index >= 32) AR5K_REG_ENABLE_BITS(AR5K_AR5210_MCAST_FIL1, (1 << (index - 32))); else AR5K_REG_ENABLE_BITS(AR5K_AR5210_MCAST_FIL0, (1 << index)); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_clrMulticastFilterIndex(hal, index) struct ath_hal *hal; u_int32_t index; { if (index >= 64) return (AH_FALSE); else if (index >= 32) AR5K_REG_DISABLE_BITS(AR5K_AR5210_MCAST_FIL1, (1 << (index - 32))); else AR5K_REG_DISABLE_BITS(AR5K_AR5210_MCAST_FIL0, (1 << index)); return (AH_TRUE); } u_int32_t ar5k_ar5210_getRxFilter(hal) struct ath_hal *hal; { return (AR5K_REG_READ(AR5K_AR5210_RX_FILTER)); } void ar5k_ar5210_setRxFilter(hal, filter) struct ath_hal *hal; u_int32_t filter; { /* * The AR5210 uses promiscous mode to detect radar activity */ if (filter & HAL_RX_FILTER_PHYRADAR) { filter &= ~HAL_RX_FILTER_PHYRADAR; filter |= AR5K_AR5210_RX_FILTER_PROMISC; } AR5K_REG_WRITE(AR5K_AR5210_RX_FILTER, filter); } HAL_BOOL ar5k_ar5210_setupRxDesc(hal, desc, size, flags) struct ath_hal *hal; struct ath_desc *desc; u_int32_t size; u_int flags; { struct ar5k_ar5210_rx_desc *rx_desc; /* Reset descriptor */ desc->ds_ctl0 = 0; desc->ds_ctl1 = 0; bzero(&desc->ds_hw[0], sizeof(struct ar5k_ar5210_rx_status)); rx_desc = (struct ar5k_ar5210_rx_desc*)&desc->ds_ctl0; if ((rx_desc->buf_len = size) != size) return (AH_FALSE); if (flags & HAL_RXDESC_INTREQ) rx_desc->inter_req = 1; return (AH_TRUE); } HAL_STATUS ar5k_ar5210_procRxDesc(hal, desc, phys_addr, next) struct ath_hal *hal; struct ath_desc *desc; u_int32_t phys_addr; struct ath_desc *next; { u_int32_t now, tstamp; struct ar5k_ar5210_rx_status *rx_status; rx_status = (struct ar5k_ar5210_rx_status*)&desc->ds_hw[0]; /* No frame received / not ready */ if (!rx_status->done) return (HAL_EINPROGRESS); /* * Frame receive status */ now = (AR5K_REG_READ(AR5K_AR5210_TSF_L32) >> 10) & 0xffff; tstamp = ((now & 0x1fff) < rx_status->receive_timestamp) ? (((now - 0x2000) & 0xffff) | (u_int32_t)rx_status->receive_timestamp) : (now | (u_int32_t)rx_status->receive_timestamp); desc->ds_us.rx.rs_tstamp = rx_status->receive_timestamp & 0x7fff; desc->ds_us.rx.rs_datalen = rx_status->data_len; desc->ds_us.rx.rs_rssi = rx_status->receive_sig_strength; desc->ds_us.rx.rs_rate = rx_status->receive_rate; desc->ds_us.rx.rs_antenna = rx_status->receive_antenna ? 1 : 0; desc->ds_us.rx.rs_more = rx_status->more ? 1 : 0; desc->ds_us.rx.rs_status = 0; /* * Key table status */ if (!rx_status->key_index_valid) desc->ds_us.rx.rs_keyix = HAL_RXKEYIX_INVALID; else desc->ds_us.rx.rs_keyix = rx_status->key_index; /* * Receive/descriptor errors */ if (!rx_status->frame_receive_ok) { if (rx_status->crc_error) desc->ds_us.rx.rs_status |= HAL_RXERR_CRC; if (rx_status->phy_error) { desc->ds_us.rx.rs_status |= HAL_RXERR_PHY; desc->ds_us.rx.rs_phyerr = rx_status->phy_error; } if (rx_status->fifo_overrun) desc->ds_us.rx.rs_status |= HAL_RXERR_FIFO; if (rx_status->decrypt_crc_error) desc->ds_us.rx.rs_status |= HAL_RXERR_DECRYPT; } return (HAL_OK); } void ar5k_ar5210_rxMonitor(hal) struct ath_hal *hal; { /* * XXX Not sure, if this works correctly. */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_RX_FILTER, AR5K_AR5210_RX_FILTER_PROMISC); } /* * Misc functions */ void ar5k_ar5210_dumpState(hal) struct ath_hal *hal; { #define AR5K_PRINT_REGISTER(_x) \ printf("(%s: %08x) ", #_x, AR5K_REG_READ(AR5K_AR5210_##_x)); printf("DMA registers:\n"); AR5K_PRINT_REGISTER(TXDP0); AR5K_PRINT_REGISTER(TXDP1); AR5K_PRINT_REGISTER(CR); AR5K_PRINT_REGISTER(RXDP); AR5K_PRINT_REGISTER(CFG); AR5K_PRINT_REGISTER(ISR); AR5K_PRINT_REGISTER(IMR); AR5K_PRINT_REGISTER(IER); AR5K_PRINT_REGISTER(BCR); AR5K_PRINT_REGISTER(BSR); AR5K_PRINT_REGISTER(TXCFG); AR5K_PRINT_REGISTER(RXCFG); AR5K_PRINT_REGISTER(MIBC); AR5K_PRINT_REGISTER(TOPS); AR5K_PRINT_REGISTER(RXNOFRM); AR5K_PRINT_REGISTER(TXNOFRM); AR5K_PRINT_REGISTER(RPGTO); AR5K_PRINT_REGISTER(RFCNT); AR5K_PRINT_REGISTER(MISC); AR5K_PRINT_REGISTER(RC); AR5K_PRINT_REGISTER(SCR); AR5K_PRINT_REGISTER(INTPEND); AR5K_PRINT_REGISTER(SFR); AR5K_PRINT_REGISTER(PCICFG); AR5K_PRINT_REGISTER(GPIOCR); AR5K_PRINT_REGISTER(GPIODO); AR5K_PRINT_REGISTER(GPIODI); AR5K_PRINT_REGISTER(SREV); printf("\n"); printf("PCU registers:\n"); AR5K_PRINT_REGISTER(STA_ID0); AR5K_PRINT_REGISTER(STA_ID1); AR5K_PRINT_REGISTER(BSS_ID0); AR5K_PRINT_REGISTER(BSS_ID1); AR5K_PRINT_REGISTER(SLOT_TIME); AR5K_PRINT_REGISTER(TIME_OUT); AR5K_PRINT_REGISTER(RSSI_THR); AR5K_PRINT_REGISTER(RETRY_LMT); AR5K_PRINT_REGISTER(USEC); AR5K_PRINT_REGISTER(BEACON); AR5K_PRINT_REGISTER(CFP_PERIOD); AR5K_PRINT_REGISTER(TIMER0); AR5K_PRINT_REGISTER(TIMER1); AR5K_PRINT_REGISTER(TIMER2); AR5K_PRINT_REGISTER(TIMER3); AR5K_PRINT_REGISTER(IFS0); AR5K_PRINT_REGISTER(IFS1); AR5K_PRINT_REGISTER(CFP_DUR); AR5K_PRINT_REGISTER(RX_FILTER); AR5K_PRINT_REGISTER(MCAST_FIL0); AR5K_PRINT_REGISTER(MCAST_FIL1); AR5K_PRINT_REGISTER(TX_MASK0); AR5K_PRINT_REGISTER(TX_MASK1); AR5K_PRINT_REGISTER(CLR_TMASK); AR5K_PRINT_REGISTER(TRIG_LVL); AR5K_PRINT_REGISTER(DIAG_SW); AR5K_PRINT_REGISTER(TSF_L32); AR5K_PRINT_REGISTER(TSF_U32); AR5K_PRINT_REGISTER(LAST_TSTP); AR5K_PRINT_REGISTER(RETRY_CNT); AR5K_PRINT_REGISTER(BACKOFF); AR5K_PRINT_REGISTER(NAV); AR5K_PRINT_REGISTER(RTS_OK); AR5K_PRINT_REGISTER(RTS_FAIL); AR5K_PRINT_REGISTER(ACK_FAIL); AR5K_PRINT_REGISTER(FCS_FAIL); AR5K_PRINT_REGISTER(BEACON_CNT); AR5K_PRINT_REGISTER(KEYTABLE_0); printf("\n"); printf("PHY registers:\n"); AR5K_PRINT_REGISTER(PHY(0)); AR5K_PRINT_REGISTER(PHY_FC); AR5K_PRINT_REGISTER(PHY_AGC); AR5K_PRINT_REGISTER(PHY_CHIP_ID); AR5K_PRINT_REGISTER(PHY_ACTIVE); AR5K_PRINT_REGISTER(PHY_AGCCTL); printf("\n"); } HAL_BOOL ar5k_ar5210_getDiagState(hal, id, device, size) struct ath_hal *hal; int id; void **device; u_int *size; { /* * We'll ignore this right now. This seems to be some kind of an obscure * debugging interface for the binary-only HAL. */ return (AH_FALSE); } void ar5k_ar5210_getMacAddress(hal, mac) struct ath_hal *hal; u_int8_t *mac; { memcpy(mac, hal->ah_sta_id, IEEE80211_ADDR_LEN); } HAL_BOOL ar5k_ar5210_setMacAddress(hal, mac) struct ath_hal *hal; const u_int8_t *mac; { u_int32_t low_id, high_id; /* Set new station ID */ memcpy(hal->ah_sta_id, mac, IEEE80211_ADDR_LEN); memcpy(&low_id, mac, 4); memcpy(&high_id, mac + 4, 2); high_id = 0x0000ffff & htole32(high_id); AR5K_REG_WRITE(AR5K_AR5210_STA_ID0, htole32(low_id)); AR5K_REG_WRITE(AR5K_AR5210_STA_ID1, high_id); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_setRegulatoryDomain(hal, regdomain, status) struct ath_hal *hal; u_int16_t regdomain; HAL_STATUS *status; { if (ar5k_ar5210_regulation_domain(hal, AH_TRUE, ar5k_regdomain_to_ieee((u_int8_t)regdomain)) == AH_TRUE) { *status = HAL_OK; return (AH_TRUE); } *status = EIO; return (AH_FALSE); } void ar5k_ar5210_setLedState(hal, state) struct ath_hal *hal; HAL_LED_STATE state; { u_int32_t led; led = AR5K_REG_READ(AR5K_AR5210_PCICFG); /* * Some blinking values, define at your wish */ switch (state) { case IEEE80211_S_SCAN: case IEEE80211_S_INIT: led |= AR5K_AR5210_PCICFG_LED_PEND | AR5K_AR5210_PCICFG_LED_BCTL; break; case IEEE80211_S_RUN: led |= AR5K_AR5210_PCICFG_LED_ACT; break; default: led |= AR5K_AR5210_PCICFG_LED_ACT | AR5K_AR5210_PCICFG_LED_BCTL; break; } AR5K_REG_WRITE(AR5K_AR5210_PCICFG, led); } void ar5k_ar5210_writeAssocid(hal, bssid, assoc_id, tim_offset) struct ath_hal *hal; const u_int8_t *bssid; u_int16_t assoc_id; u_int16_t tim_offset; { u_int32_t low_id, high_id; /* * Set BSSID which triggers the "SME Join" operation */ memcpy(&low_id, bssid, 4); memcpy(&high_id, bssid + 4, 2); AR5K_REG_WRITE(AR5K_AR5210_BSS_ID0, htole32(low_id)); AR5K_REG_WRITE(AR5K_AR5210_BSS_ID1, htole32(high_id) | ((assoc_id & 0x3fff) << AR5K_AR5210_BSS_ID1_AID_S)); memcpy(&hal->ah_bssid, bssid, IEEE80211_ADDR_LEN); if (assoc_id == 0) { ar5k_ar5210_disablePSPoll(hal); return; } AR5K_REG_WRITE(AR5K_AR5210_BEACON, (AR5K_REG_READ(AR5K_AR5210_BEACON) & ~AR5K_AR5210_BEACON_TIM) | (((tim_offset ? tim_offset + 4 : 0) << AR5K_AR5210_BEACON_TIM_S) & AR5K_AR5210_BEACON_TIM)); ar5k_ar5210_enablePSPoll(hal, NULL, 0); } HAL_BOOL ar5k_ar5210_gpioCfgOutput(hal, gpio) struct ath_hal *hal; u_int32_t gpio; { if (gpio > AR5K_AR5210_NUM_GPIO) return (AH_FALSE); AR5K_REG_WRITE(AR5K_AR5210_GPIOCR, (AR5K_REG_READ(AR5K_AR5210_GPIOCR) &~ AR5K_AR5210_GPIOCR_ALL(gpio)) | AR5K_AR5210_GPIOCR_OUT1(gpio)); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_gpioCfgInput(hal, gpio) struct ath_hal *hal; u_int32_t gpio; { if (gpio > AR5K_AR5210_NUM_GPIO) return (AH_FALSE); AR5K_REG_WRITE(AR5K_AR5210_GPIOCR, (AR5K_REG_READ(AR5K_AR5210_GPIOCR) &~ AR5K_AR5210_GPIOCR_ALL(gpio)) | AR5K_AR5210_GPIOCR_IN(gpio)); return (AH_TRUE); } u_int32_t ar5k_ar5210_gpioGet(hal, gpio) struct ath_hal *hal; u_int32_t gpio; { if (gpio > AR5K_AR5210_NUM_GPIO) return (0xffffffff); /* GPIO input magic */ return (((AR5K_REG_READ(AR5K_AR5210_GPIODI) & AR5K_AR5210_GPIOD_MASK) >> gpio) & 0x1); } HAL_BOOL ar5k_ar5210_gpioSet(hal, gpio, val) struct ath_hal *hal; u_int32_t gpio; u_int32_t val; { u_int32_t data; if (gpio > AR5K_AR5210_NUM_GPIO) return (0xffffffff); /* GPIO output magic */ data = AR5K_REG_READ(AR5K_AR5210_GPIODO); data &= ~(1 << gpio); data |= (val&1) << gpio; AR5K_REG_WRITE(AR5K_AR5210_GPIODO, data); return (AH_TRUE); } void ar5k_ar5210_gpioSetIntr(hal, gpio, interrupt_level) struct ath_hal *hal; u_int gpio; u_int32_t interrupt_level; { u_int32_t data; if (gpio > AR5K_AR5210_NUM_GPIO) return; /* * Set the GPIO interrupt */ data = (AR5K_REG_READ(AR5K_AR5210_GPIOCR) & ~(AR5K_AR5210_GPIOCR_INT_SEL(gpio) | AR5K_AR5210_GPIOCR_INT_SELH | AR5K_AR5210_GPIOCR_INT_ENA | AR5K_AR5210_GPIOCR_ALL(gpio))) | (AR5K_AR5210_GPIOCR_INT_SEL(gpio) | AR5K_AR5210_GPIOCR_INT_ENA); AR5K_REG_WRITE(AR5K_AR5210_GPIOCR, interrupt_level ? data : (data | AR5K_AR5210_GPIOCR_INT_SELH)); hal->ah_imr |= AR5K_AR5210_IMR_GPIO; /* Enable GPIO interrupts */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_IMR, AR5K_AR5210_IMR_GPIO); } u_int32_t ar5k_ar5210_getTsf32(hal) struct ath_hal *hal; { return (AR5K_REG_READ(AR5K_AR5210_TSF_L32)); } u_int64_t ar5k_ar5210_getTsf64(hal) struct ath_hal *hal; { u_int64_t tsf = AR5K_REG_READ(AR5K_AR5210_TSF_U32); return (AR5K_REG_READ(AR5K_AR5210_TSF_L32) | (tsf << 32)); } void ar5k_ar5210_resetTsf(hal) struct ath_hal *hal; { AR5K_REG_ENABLE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_RESET_TSF); } u_int16_t ar5k_ar5210_getRegDomain(hal) struct ath_hal *hal; { u_int16_t regdomain; ieee80211_regdomain_t ieee_regdomain; if (ar5k_ar5210_regulation_domain(hal, AH_FALSE, &ieee_regdomain) == AH_TRUE) { regdomain = ar5k_regdomain_from_ieee(&ieee_regdomain); return (regdomain > 0 ? regdomain : hal->ah_regdomain); } return (0); } HAL_BOOL ar5k_ar5210_detectCardPresent(hal) struct ath_hal *hal; { u_int16_t magic; /* * Checking the EEPROM's magic value could be an indication * if the card is still present. I didn't find another suitable * way to do this. */ if (ar5k_ar5210_eeprom_read(hal, AR5K_AR5210_EEPROM_MAGIC, &magic) != 0) return (AH_FALSE); return (magic == AR5K_AR5210_EEPROM_MAGIC_VALUE ? AH_TRUE : AH_FALSE); } void ar5k_ar5210_updateMibCounters(hal, statistics) struct ath_hal *hal; HAL_MIB_STATS *statistics; { statistics->ackrcv_bad += AR5K_REG_READ(AR5K_AR5210_ACK_FAIL); statistics->rts_bad += AR5K_REG_READ(AR5K_AR5210_RTS_FAIL); statistics->rts_good += AR5K_REG_READ(AR5K_AR5210_RTS_OK); statistics->fcs_bad += AR5K_REG_READ(AR5K_AR5210_FCS_FAIL); statistics->beacons += AR5K_REG_READ(AR5K_AR5210_BEACON_CNT); } HAL_RFGAIN ar5k_ar5210_getRfGain(hal) struct ath_hal *hal; { return (HAL_RFGAIN_INACTIVE); } HAL_BOOL ar5k_ar5210_setSlotTime(hal, slot_time) struct ath_hal *hal; u_int slot_time; { if (slot_time < HAL_SLOT_TIME_9 || slot_time > HAL_SLOT_TIME_MAX) return (AH_FALSE); AR5K_REG_WRITE(AR5K_AR5210_SLOT_TIME, ar5k_htoclock(slot_time, hal->ah_turbo)); return (AH_TRUE); } u_int ar5k_ar5210_getSlotTime(hal) struct ath_hal *hal; { return (ar5k_clocktoh(AR5K_REG_READ(AR5K_AR5210_SLOT_TIME) & 0xffff, hal->ah_turbo)); } HAL_BOOL ar5k_ar5210_setAckTimeout(hal, timeout) struct ath_hal *hal; u_int timeout; { if (ar5k_clocktoh(AR5K_REG_MS(0xffffffff, AR5K_AR5210_TIME_OUT_ACK), hal->ah_turbo) <= timeout) return (AH_FALSE); AR5K_REG_WRITE_BITS(AR5K_AR5210_TIME_OUT, AR5K_AR5210_TIME_OUT_ACK, ar5k_htoclock(timeout, hal->ah_turbo)); return (AH_TRUE); } u_int ar5k_ar5210_getAckTimeout(hal) struct ath_hal *hal; { return (ar5k_clocktoh(AR5K_REG_MS(AR5K_REG_READ(AR5K_AR5210_TIME_OUT), AR5K_AR5210_TIME_OUT_ACK), hal->ah_turbo)); } HAL_BOOL ar5k_ar5210_setCTSTimeout(hal, timeout) struct ath_hal *hal; u_int timeout; { if (ar5k_clocktoh(AR5K_REG_MS(0xffffffff, AR5K_AR5210_TIME_OUT_CTS), hal->ah_turbo) <= timeout) return (AH_FALSE); AR5K_REG_WRITE_BITS(AR5K_AR5210_TIME_OUT, AR5K_AR5210_TIME_OUT_CTS, ar5k_htoclock(timeout, hal->ah_turbo)); return (AH_TRUE); } u_int ar5k_ar5210_getCTSTimeout(hal) struct ath_hal *hal; { return (ar5k_clocktoh(AR5K_REG_MS(AR5K_REG_READ(AR5K_AR5210_TIME_OUT), AR5K_AR5210_TIME_OUT_CTS), hal->ah_turbo)); } /* * Key table (WEP) functions */ HAL_BOOL ar5k_ar5210_isHwCipherSupported(hal, cipher) struct ath_hal *hal; HAL_CIPHER cipher; { /* * The AR5210 only supports WEP */ if (cipher == HAL_CIPHER_WEP) return (AH_TRUE); return (AH_FALSE); } u_int32_t ar5k_ar5210_getKeyCacheSize(hal) struct ath_hal *hal; { return (AR5K_AR5210_KEYTABLE_SIZE); } HAL_BOOL ar5k_ar5210_resetKeyCacheEntry(hal, entry) struct ath_hal *hal; u_int16_t entry; { int i; AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); for (i = 0; i < AR5K_AR5210_KEYCACHE_SIZE; i++) AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE(entry) + (i << 2), 0); return (AH_FALSE); } HAL_BOOL ar5k_ar5210_isKeyCacheEntryValid(hal, entry) struct ath_hal *hal; u_int16_t entry; { int offset; AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); /* * Check the validation flag at the end of the entry */ offset = (AR5K_AR5210_KEYCACHE_SIZE - 1) << 2; if (AR5K_REG_READ(AR5K_AR5210_KEYTABLE(entry) + offset) & AR5K_AR5210_KEYTABLE_VALID) return AH_TRUE; return (AH_FALSE); } HAL_BOOL ar5k_ar5210_setKeyCacheEntry(hal, entry, keyval, mac, xor_notused) struct ath_hal *hal; u_int16_t entry; const HAL_KEYVAL *keyval; const u_int8_t *mac; int xor_notused; { int elements = AR5K_AR5210_KEYCACHE_SIZE - 2; u_int32_t key_v[elements]; int i, offset = 0; AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); /* * Store the key type in the last field */ switch (keyval->wk_len) { case 5: key_v[elements - 1] = AR5K_AR5210_KEYTABLE_TYPE_40; break; case 13: key_v[elements - 1] = AR5K_AR5210_KEYTABLE_TYPE_104; break; case 16: key_v[elements - 1] = AR5K_AR5210_KEYTABLE_TYPE_128; break; default: /* Unsupported key length (not WEP40/104/128) */ return (AH_FALSE); } /* * Write key cache entry */ for (i = 0; i < elements; i++) { if (elements < 5) { if (i % 2) { key_v[i] = AR5K_LE_READ_2(keyval->wk_key + offset) & 0xffff; offset += 2; } else { key_v[i] = AR5K_LE_READ_4(keyval->wk_key + offset); offset += 4; } if (i == 4 && keyval->wk_len <= 13) key_v[i] &= 0xff; } /* Write value */ AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE(entry) + (i << 2), key_v[i]); } return (ar5k_ar5210_setKeyCacheEntryMac(hal, entry, mac)); } HAL_BOOL ar5k_ar5210_setKeyCacheEntryMac(hal, entry, mac) struct ath_hal *hal; u_int16_t entry; const u_int8_t *mac; { u_int32_t low_id, high_id; int offset; /* * Invalid entry (key table overflow) */ AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); offset = AR5K_AR5210_KEYCACHE_SIZE - 2; low_id = high_id = 0; /* MAC may be NULL if it's a broadcast key */ if (mac != NULL) { bcopy(mac, &low_id, 4); bcopy(mac + 4, &high_id, 2); } high_id = 0x0000ffff & htole32(high_id); AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE(entry) + (offset++ << 2), htole32(low_id)); AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE(entry) + (offset << 2), high_id); return (AH_TRUE); } /* * Power management functions */ HAL_BOOL ar5k_ar5210_setPowerMode(hal, mode, set_chip, sleep_duration) struct ath_hal *hal; HAL_POWER_MODE mode; int set_chip; u_int16_t sleep_duration; { int i; switch (mode) { case HAL_PM_AUTO: if (set_chip) AR5K_REG_WRITE(AR5K_AR5210_SCR, AR5K_AR5210_SCR_SLE | sleep_duration); break; case HAL_PM_FULL_SLEEP: if (set_chip) AR5K_REG_WRITE(AR5K_AR5210_SCR, AR5K_AR5210_SCR_SLE_SLP); break; case HAL_PM_AWAKE: if (!set_chip) goto commit; AR5K_REG_WRITE(AR5K_AR5210_SCR, AR5K_AR5210_SCR_SLE_WAKE); for (i = 5000; i > 0; i--) { /* Check if the AR5210 did wake up */ if ((AR5K_REG_READ(AR5K_AR5210_PCICFG) & AR5K_AR5210_PCICFG_SPWR_DN) == 0) break; /* Wait a bit and retry */ AR5K_DELAY(200); AR5K_REG_WRITE(AR5K_AR5210_SCR, AR5K_AR5210_SCR_SLE_WAKE); } /* Fail if the AR5210 didn't wake up */ if (i <= 0) return (AH_FALSE); break; case HAL_PM_NETWORK_SLEEP: case HAL_PM_UNDEFINED: default: return (AH_FALSE); } commit: hal->ah_power_mode = mode; AR5K_REG_DISABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA); AR5K_REG_ENABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_PWR_SV); return (AH_TRUE); } HAL_POWER_MODE ar5k_ar5210_getPowerMode(hal) struct ath_hal *hal; { return (hal->ah_power_mode); } HAL_BOOL ar5k_ar5210_queryPSPollSupport(hal) struct ath_hal *hal; { /* I think so, why not? */ return (AH_TRUE); } HAL_BOOL ar5k_ar5210_initPSPoll(hal) struct ath_hal *hal; { /* * Not used on the AR5210 */ return (AH_FALSE); } HAL_BOOL ar5k_ar5210_enablePSPoll(hal, bssid, assoc_id) struct ath_hal *hal; u_int8_t *bssid; u_int16_t assoc_id; { AR5K_REG_DISABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_NO_PSPOLL | AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_disablePSPoll(hal) struct ath_hal *hal; { AR5K_REG_ENABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_NO_PSPOLL | AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA); return (AH_TRUE); } /* * Beacon functions */ void ar5k_ar5210_beaconInit(hal, next_beacon, interval) struct ath_hal *hal; u_int32_t next_beacon; u_int32_t interval; { u_int32_t timer1, timer2, timer3; /* * Set the additional timers by mode */ switch (hal->ah_op_mode) { case HAL_M_STA: timer1 = 0xffffffff; timer2 = 0xffffffff; timer3 = 1; break; default: timer1 = (next_beacon - AR5K_TUNE_DMA_BEACON_RESP) << 0x00000003; timer2 = (next_beacon - AR5K_TUNE_SW_BEACON_RESP) << 0x00000003; timer3 = next_beacon + hal->ah_atim_window; } /* * Enable all timers and set the beacon register * (next beacon, DMA beacon, software beacon, ATIM window time) */ AR5K_REG_WRITE(AR5K_AR5210_TIMER0, next_beacon); AR5K_REG_WRITE(AR5K_AR5210_TIMER1, timer1); AR5K_REG_WRITE(AR5K_AR5210_TIMER2, timer2); AR5K_REG_WRITE(AR5K_AR5210_TIMER3, timer3); AR5K_REG_WRITE(AR5K_AR5210_BEACON, interval & (AR5K_AR5210_BEACON_PERIOD | AR5K_AR5210_BEACON_RESET_TSF | AR5K_AR5210_BEACON_EN)); } void ar5k_ar5210_setStationBeaconTimers(hal, state, tsf, dtim_count, cfp_count) struct ath_hal *hal; const HAL_BEACON_STATE *state; u_int32_t tsf; u_int32_t dtim_count; u_int32_t cfp_count; { u_int32_t cfp_period, next_cfp; /* Return on an invalid beacon state */ if (state->bs_interval > 0) return; /* * PCF support? */ if (state->bs_cfp_period > 0) { /* Enable CFP mode and set the CFP and timer registers */ cfp_period = state->bs_cfp_period * state->bs_dtim_period * state->bs_interval; next_cfp = (cfp_count * state->bs_dtim_period + dtim_count) * state->bs_interval; AR5K_REG_DISABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA | AR5K_AR5210_STA_ID1_PCF); AR5K_REG_WRITE(AR5K_AR5210_CFP_PERIOD, cfp_period); AR5K_REG_WRITE(AR5K_AR5210_CFP_DUR, state->bs_cfp_max_duration); AR5K_REG_WRITE(AR5K_AR5210_TIMER2, (tsf + (next_cfp == 0 ? cfp_period : next_cfp)) << 3); } else { /* Disable PCF mode */ AR5K_REG_DISABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA | AR5K_AR5210_STA_ID1_PCF); } /* * Enable the beacon timer register */ AR5K_REG_WRITE(AR5K_AR5210_TIMER0, state->bs_next_beacon); /* * Start the beacon timers */ AR5K_REG_WRITE(AR5K_AR5210_BEACON, (AR5K_REG_READ(AR5K_AR5210_BEACON) &~ (AR5K_AR5210_BEACON_PERIOD | AR5K_AR5210_BEACON_TIM)) | AR5K_REG_SM(state->bs_tim_offset ? state->bs_tim_offset + 4 : 0, AR5K_AR5210_BEACON_TIM) | AR5K_REG_SM(state->bs_interval, AR5K_AR5210_BEACON_PERIOD)); /* * Write new beacon miss threshold, if it appears to be valid */ if ((state->bs_bmiss_threshold > (AR5K_AR5210_RSSI_THR_BM_THR >> AR5K_AR5210_RSSI_THR_BM_THR_S)) && (state->bs_bmiss_threshold & 0x00007) != 0) AR5K_REG_WRITE_BITS(AR5K_AR5210_RSSI_THR, AR5K_AR5210_RSSI_THR_BM_THR, state->bs_bmiss_threshold); } void ar5k_ar5210_resetStationBeaconTimers(hal) struct ath_hal *hal; { /* * Disable beacon timer */ AR5K_REG_WRITE(AR5K_AR5210_TIMER0, 0); /* * Disable some beacon register values */ AR5K_REG_DISABLE_BITS(AR5K_AR5210_STA_ID1, AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA | AR5K_AR5210_STA_ID1_PCF); AR5K_REG_WRITE(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_PERIOD); } HAL_BOOL ar5k_ar5210_waitForBeaconDone(hal, phys_addr) struct ath_hal *hal; bus_addr_t phys_addr; { int i; /* * Wait for beaconn queue to be done */ for (i = (AR5K_TUNE_BEACON_INTERVAL / 2); i > 0 && (AR5K_REG_READ(AR5K_AR5210_BSR) & AR5K_AR5210_BSR_TXQ1F) != 0 && (AR5K_REG_READ(AR5K_AR5210_CR) & AR5K_AR5210_CR_TXE1) != 0; i--); /* Timeout... */ if (i <= 0) { /* * Re-schedule the beacon queue */ AR5K_REG_WRITE(AR5K_AR5210_TXDP1, (u_int32_t)phys_addr); AR5K_REG_WRITE(AR5K_AR5210_BCR, AR5K_AR5210_BCR_TQ1V | AR5K_AR5210_BCR_BDMAE); return (AH_FALSE); } return (AH_TRUE); } /* * Interrupt handling */ HAL_BOOL ar5k_ar5210_isInterruptPending(hal) struct ath_hal *hal; { return (AR5K_REG_READ(AR5K_AR5210_INTPEND) == 0 ? AH_FALSE : AH_TRUE); } HAL_BOOL ar5k_ar5210_getPendingInterrupts(hal, interrupt_mask) struct ath_hal *hal; u_int32_t *interrupt_mask; { u_int32_t data; if ((data = AR5K_REG_READ(AR5K_AR5210_ISR)) == HAL_INT_NOCARD) { *interrupt_mask = data; return (AH_FALSE); } /* * Get abstract interrupt mask (HAL-compatible) */ *interrupt_mask = (data & HAL_INT_COMMON) & hal->ah_imr; if (data & (AR5K_AR5210_ISR_RXOK | AR5K_AR5210_ISR_RXERR)) *interrupt_mask |= HAL_INT_RX; if (data & (AR5K_AR5210_ISR_TXOK | AR5K_AR5210_ISR_TXERR)) *interrupt_mask |= HAL_INT_TX; if (data & AR5K_AR5210_ISR_FATAL) *interrupt_mask |= HAL_INT_FATAL; /* * Special interrupt handling (not catched by the driver) */ if (((*interrupt_mask) & AR5K_AR5210_ISR_RXPHY) && hal->ah_radar.r_enabled == AH_TRUE) ar5k_radar_alert(hal); return (AH_TRUE); } u_int32_t ar5k_ar5210_getInterrupts(hal) struct ath_hal *hal; { /* Return the interrupt mask stored previously */ return (hal->ah_imr); } HAL_INT ar5k_ar5210_setInterrupts(hal, new_mask) struct ath_hal *hal; HAL_INT new_mask; { HAL_INT old_mask, int_mask; /* * Disable card interrupts to prevent any race conditions * (they will be re-enabled afterwards). */ AR5K_REG_WRITE(AR5K_AR5210_IER, AR5K_AR5210_IER_DISABLE); old_mask = hal->ah_imr; /* * Add additional, chipset-dependent interrupt mask flags * and write them to the IMR (interrupt mask register). */ int_mask = new_mask & HAL_INT_COMMON; if (new_mask & HAL_INT_RX) int_mask |= AR5K_AR5210_IMR_RXOK | AR5K_AR5210_IMR_RXERR | AR5K_AR5210_IMR_RXORN; if (new_mask & HAL_INT_TX) int_mask |= AR5K_AR5210_IMR_TXOK | AR5K_AR5210_IMR_TXERR | AR5K_AR5210_IMR_TXURN; AR5K_REG_WRITE(AR5K_AR5210_IMR, int_mask); /* Store new interrupt mask */ hal->ah_imr = new_mask; /* ..re-enable interrupts */ AR5K_REG_WRITE(AR5K_AR5210_IER, AR5K_AR5210_IER_ENABLE); return (old_mask); } /* * Misc internal functions */ HAL_BOOL ar5k_ar5210_get_capabilities(hal) struct ath_hal *hal; { /* * Get the value stored in the EEPROM */ if (ar5k_ar5210_eeprom_init(hal) != 0) return (AH_FALSE); /* Set number of supported TX queues */ hal->ah_capabilities.cap_queues.q_tx_num = AR5K_AR5210_TX_NUM_QUEUES; /* * Set radio capabilities * (The AR5210 only supports the middle 5GHz band) */ hal->ah_capabilities.cap_range.range_5ghz_min = 5120; hal->ah_capabilities.cap_range.range_5ghz_max = 5430; hal->ah_capabilities.cap_range.range_2ghz_min = 0; hal->ah_capabilities.cap_range.range_2ghz_max = 0; /* Set supported modes */ hal->ah_capabilities.cap_mode = HAL_MODE_11A | HAL_MODE_TURBO; /* Set number of GPIO pins */ hal->ah_gpio_npins = AR5K_AR5210_NUM_GPIO; return (AH_TRUE); } void ar5k_ar5210_radar_alert(hal, enable) struct ath_hal *hal; HAL_BOOL enable; { /* * Set the RXPHY interrupt to be able to detect * possible radar activity. */ AR5K_REG_WRITE(AR5K_AR5210_IER, AR5K_AR5210_IER_DISABLE); if (enable == AH_TRUE) AR5K_REG_ENABLE_BITS(AR5K_AR5210_IMR, AR5K_AR5210_IMR_RXPHY); else AR5K_REG_DISABLE_BITS(AR5K_AR5210_IMR, AR5K_AR5210_IMR_RXPHY); AR5K_REG_WRITE(AR5K_AR5210_IER, AR5K_AR5210_IER_ENABLE); } HAL_BOOL ar5k_ar5210_regulation_domain(hal, write, regdomain) struct ath_hal *hal; HAL_BOOL write; ieee80211_regdomain_t *regdomain; { /* Read current value */ if (write != AH_TRUE) { memcpy(regdomain, &hal->ah_capabilities.cap_regdomain.reg_current, sizeof(ieee80211_regdomain_t)); return (AH_TRUE); } /* Try to write a new value */ memcpy(&hal->ah_capabilities.cap_regdomain.reg_current, regdomain, sizeof(ieee80211_regdomain_t)); if (hal->ah_capabilities.cap_eeprom.ee_protect & AR5K_AR5210_EEPROM_PROTECT_128_191) return (AH_FALSE); hal->ah_capabilities.cap_eeprom.ee_regdomain = ar5k_regdomain_from_ieee(regdomain); AR5K_PRINTF("writing new regulation domain to EEPROM: 0x%04x\n", hal->ah_capabilities.cap_eeprom.ee_regdomain); if (ar5k_ar5210_eeprom_write(hal, AR5K_AR5210_EEPROM_REG_DOMAIN, hal->ah_capabilities.cap_eeprom.ee_regdomain) != 0) return (AH_FALSE); return (AH_TRUE); } /* * EEPROM access functions */ int ar5k_ar5210_eeprom_init(hal) struct ath_hal *hal; { int ret; /* Check if EEPROM is busy */ if (ar5k_ar5210_eeprom_is_busy(hal) == AH_TRUE) return (EBUSY); /* * Read values from EEPROM and store them in the capability structure */ if ((ret = ar5k_ar5210_eeprom_read(hal, AR5K_AR5210_EEPROM_MAGIC, &hal->ah_capabilities.cap_eeprom.ee_magic)) != 0) return (ret); if (hal->ah_capabilities.cap_eeprom.ee_magic != AR5K_AR5210_EEPROM_MAGIC_VALUE) return (EFTYPE); if ((ret = ar5k_ar5210_eeprom_read(hal, AR5K_AR5210_EEPROM_INFO_VERSION, &hal->ah_capabilities.cap_eeprom.ee_version)) != 0) return (ret); if ((ret = ar5k_ar5210_eeprom_read(hal, AR5K_AR5210_EEPROM_PROTECT, &hal->ah_capabilities.cap_eeprom.ee_protect)) != 0) return (ret); if ((ret = ar5k_ar5210_eeprom_read(hal, AR5K_AR5210_EEPROM_REG_DOMAIN, &hal->ah_capabilities.cap_eeprom.ee_regdomain)) != 0) return (ret); return (0); } HAL_BOOL ar5k_ar5210_eeprom_is_busy(hal) struct ath_hal *hal; { return (AR5K_REG_READ(AR5K_AR5210_CFG) & AR5K_AR5210_CFG_EEBS ? AH_TRUE : AH_FALSE); } int ar5k_ar5210_eeprom_read(hal, offset, data) struct ath_hal *hal; u_int32_t offset; u_int16_t *data; { u_int32_t status, timeout; /* Enable eeprom access */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PCICFG, AR5K_AR5210_PCICFG_EEAE); /* * Prime read pump */ (void)AR5K_REG_READ(AR5K_AR5210_EEPROM_BASE + (4 * offset)); for (timeout = 10000; timeout > 0; timeout--) { AR5K_DELAY(1); status = AR5K_REG_READ(AR5K_AR5210_EEPROM_STATUS); if (status & AR5K_AR5210_EEPROM_STAT_RDDONE) { if (status & AR5K_AR5210_EEPROM_STAT_RDERR) return (EIO); *data = (u_int16_t) (AR5K_REG_READ(AR5K_AR5210_EEPROM_RDATA) & 0xffff); return (0); } } return (ETIMEDOUT); } int ar5k_ar5210_eeprom_write(hal, offset, data) struct ath_hal *hal; u_int32_t offset; u_int16_t data; { u_int32_t status, timeout; /* Enable eeprom access */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PCICFG, AR5K_AR5210_PCICFG_EEAE); /* * Prime write pump */ AR5K_REG_WRITE(AR5K_AR5210_EEPROM_BASE + (4 * offset), data); for (timeout = 10000; timeout > 0; timeout--) { AR5K_DELAY(1); status = AR5K_REG_READ(AR5K_AR5210_EEPROM_STATUS); if (status & AR5K_AR5210_EEPROM_STAT_WRDONE) { if (status & AR5K_AR5210_EEPROM_STAT_WRERR) return (EIO); return (0); } } return (ETIMEDOUT); }