/* $OpenBSD: ar5210.c,v 1.41 2007/11/01 20:32:16 reyk Exp $ */ /* * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter * * Permission to use, copy, modify, and 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. */ /* * 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); void ar5k_ar5210_init_tx_queue(struct ath_hal *, u_int, HAL_BOOL); const void ar5k_ar5210_fill(struct ath_hal *); HAL_BOOL ar5k_ar5210_do_calibrate(struct ath_hal *, HAL_CHANNEL *); HAL_BOOL ar5k_ar5210_noise_floor(struct ath_hal *, HAL_CHANNEL *); /* * Initial register setting for the AR5210 */ static const struct ar5k_ini ar5210_ini[] = AR5K_AR5210_INI; AR5K_HAL_FUNCTIONS(extern, ar5k_ar5210,); const void ar5k_ar5210_fill(struct ath_hal *hal) { hal->ah_magic = AR5K_AR5210_MAGIC; /* * Init/Exit functions */ AR5K_HAL_FUNCTION(hal, ar5210, get_rate_table); AR5K_HAL_FUNCTION(hal, ar5210, detach); /* * Reset functions */ AR5K_HAL_FUNCTION(hal, ar5210, reset); AR5K_HAL_FUNCTION(hal, ar5210, set_opmode); AR5K_HAL_FUNCTION(hal, ar5210, calibrate); /* * TX functions */ AR5K_HAL_FUNCTION(hal, ar5210, update_tx_triglevel); AR5K_HAL_FUNCTION(hal, ar5210, setup_tx_queue); AR5K_HAL_FUNCTION(hal, ar5210, setup_tx_queueprops); AR5K_HAL_FUNCTION(hal, ar5210, release_tx_queue); AR5K_HAL_FUNCTION(hal, ar5210, reset_tx_queue); AR5K_HAL_FUNCTION(hal, ar5210, get_tx_buf); AR5K_HAL_FUNCTION(hal, ar5210, put_tx_buf); AR5K_HAL_FUNCTION(hal, ar5210, tx_start); AR5K_HAL_FUNCTION(hal, ar5210, stop_tx_dma); AR5K_HAL_FUNCTION(hal, ar5210, setup_tx_desc); AR5K_HAL_FUNCTION(hal, ar5210, setup_xtx_desc); AR5K_HAL_FUNCTION(hal, ar5210, fill_tx_desc); AR5K_HAL_FUNCTION(hal, ar5210, proc_tx_desc); AR5K_HAL_FUNCTION(hal, ar5210, has_veol); /* * RX functions */ AR5K_HAL_FUNCTION(hal, ar5210, get_rx_buf); AR5K_HAL_FUNCTION(hal, ar5210, put_rx_buf); AR5K_HAL_FUNCTION(hal, ar5210, start_rx); AR5K_HAL_FUNCTION(hal, ar5210, stop_rx_dma); AR5K_HAL_FUNCTION(hal, ar5210, start_rx_pcu); AR5K_HAL_FUNCTION(hal, ar5210, stop_pcu_recv); AR5K_HAL_FUNCTION(hal, ar5210, set_mcast_filter); AR5K_HAL_FUNCTION(hal, ar5210, set_mcast_filterindex); AR5K_HAL_FUNCTION(hal, ar5210, clear_mcast_filter_idx); AR5K_HAL_FUNCTION(hal, ar5210, get_rx_filter); AR5K_HAL_FUNCTION(hal, ar5210, set_rx_filter); AR5K_HAL_FUNCTION(hal, ar5210, setup_rx_desc); AR5K_HAL_FUNCTION(hal, ar5210, proc_rx_desc); AR5K_HAL_FUNCTION(hal, ar5210, set_rx_signal); /* * Misc functions */ AR5K_HAL_FUNCTION(hal, ar5210, dump_state); AR5K_HAL_FUNCTION(hal, ar5210, get_diag_state); AR5K_HAL_FUNCTION(hal, ar5210, get_lladdr); AR5K_HAL_FUNCTION(hal, ar5210, set_lladdr); AR5K_HAL_FUNCTION(hal, ar5210, set_regdomain); AR5K_HAL_FUNCTION(hal, ar5210, set_ledstate); AR5K_HAL_FUNCTION(hal, ar5210, set_associd); AR5K_HAL_FUNCTION(hal, ar5210, set_gpio_input); AR5K_HAL_FUNCTION(hal, ar5210, set_gpio_output); AR5K_HAL_FUNCTION(hal, ar5210, get_gpio); AR5K_HAL_FUNCTION(hal, ar5210, set_gpio); AR5K_HAL_FUNCTION(hal, ar5210, set_gpio_intr); AR5K_HAL_FUNCTION(hal, ar5210, get_tsf32); AR5K_HAL_FUNCTION(hal, ar5210, get_tsf64); AR5K_HAL_FUNCTION(hal, ar5210, reset_tsf); AR5K_HAL_FUNCTION(hal, ar5210, get_regdomain); AR5K_HAL_FUNCTION(hal, ar5210, detect_card_present); AR5K_HAL_FUNCTION(hal, ar5210, update_mib_counters); AR5K_HAL_FUNCTION(hal, ar5210, get_rf_gain); AR5K_HAL_FUNCTION(hal, ar5210, set_slot_time); AR5K_HAL_FUNCTION(hal, ar5210, get_slot_time); AR5K_HAL_FUNCTION(hal, ar5210, set_ack_timeout); AR5K_HAL_FUNCTION(hal, ar5210, get_ack_timeout); AR5K_HAL_FUNCTION(hal, ar5210, set_cts_timeout); AR5K_HAL_FUNCTION(hal, ar5210, get_cts_timeout); /* * Key table (WEP) functions */ AR5K_HAL_FUNCTION(hal, ar5210, is_cipher_supported); AR5K_HAL_FUNCTION(hal, ar5210, get_keycache_size); AR5K_HAL_FUNCTION(hal, ar5210, reset_key); AR5K_HAL_FUNCTION(hal, ar5210, is_key_valid); AR5K_HAL_FUNCTION(hal, ar5210, set_key); AR5K_HAL_FUNCTION(hal, ar5210, set_key_lladdr); /* * Power management functions */ AR5K_HAL_FUNCTION(hal, ar5210, set_power); AR5K_HAL_FUNCTION(hal, ar5210, get_power_mode); AR5K_HAL_FUNCTION(hal, ar5210, query_pspoll_support); AR5K_HAL_FUNCTION(hal, ar5210, init_pspoll); AR5K_HAL_FUNCTION(hal, ar5210, enable_pspoll); AR5K_HAL_FUNCTION(hal, ar5210, disable_pspoll); /* * Beacon functions */ AR5K_HAL_FUNCTION(hal, ar5210, init_beacon); AR5K_HAL_FUNCTION(hal, ar5210, set_beacon_timers); AR5K_HAL_FUNCTION(hal, ar5210, reset_beacon); AR5K_HAL_FUNCTION(hal, ar5210, wait_for_beacon); /* * Interrupt functions */ AR5K_HAL_FUNCTION(hal, ar5210, is_intr_pending); AR5K_HAL_FUNCTION(hal, ar5210, get_isr); AR5K_HAL_FUNCTION(hal, ar5210, get_intr); AR5K_HAL_FUNCTION(hal, ar5210, set_intr); /* * Chipset functions (ar5k-specific, non-HAL) */ AR5K_HAL_FUNCTION(hal, ar5210, get_capabilities); AR5K_HAL_FUNCTION(hal, ar5210, radar_alert); /* * EEPROM access */ AR5K_HAL_FUNCTION(hal, ar5210, eeprom_is_busy); AR5K_HAL_FUNCTION(hal, ar5210, eeprom_read); AR5K_HAL_FUNCTION(hal, ar5210, eeprom_write); /* * Unused functions or functions not implemented */ AR5K_HAL_FUNCTION(hal, ar5210, set_bssid_mask); AR5K_HAL_FUNCTION(hal, ar5210, get_tx_queueprops); AR5K_HAL_FUNCTION(hal, ar5210, num_tx_pending); AR5K_HAL_FUNCTION(hal, ar5210, phy_disable); AR5K_HAL_FUNCTION(hal, ar5210, set_txpower_limit); AR5K_HAL_FUNCTION(hal, ar5210, set_def_antenna); AR5K_HAL_FUNCTION(hal, ar5210, get_def_antenna); #ifdef notyet AR5K_HAL_FUNCTION(hal, ar5210, set_capability); AR5K_HAL_FUNCTION(hal, ar5210, proc_mib_event); AR5K_HAL_FUNCTION(hal, ar5210, get_tx_inter_queue); #endif } struct ath_hal * ar5k_ar5210_attach(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]; u_int32_t srev; ar5k_ar5210_fill(hal); /* Bring device out of sleep and reset its units */ if (ar5k_ar5210_nic_wakeup(hal, AH_FALSE, AH_TRUE) != AH_TRUE) return (NULL); /* Get MAC, PHY and RADIO revisions */ srev = AR5K_REG_READ(AR5K_AR5210_SREV); hal->ah_mac_srev = srev; hal->ah_mac_version = AR5K_REG_MS(srev, AR5K_AR5210_SREV_VER); hal->ah_mac_revision = AR5K_REG_MS(srev, AR5K_AR5210_SREV_REV); 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; /* Identify the chipset */ hal->ah_version = AR5K_AR5210; hal->ah_radio = AR5K_AR5110; hal->ah_phy = AR5K_AR5210_PHY(0); bcopy(etherbroadcastaddr, mac, IEEE80211_ADDR_LEN); ar5k_ar5210_set_associd(hal, mac, 0, 0); ar5k_ar5210_get_lladdr(hal, mac); ar5k_ar5210_set_opmode(hal); return (hal); } HAL_BOOL ar5k_ar5210_nic_reset(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(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_set_power(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_set_power(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); } const HAL_RATE_TABLE * ar5k_ar5210_get_rate_table(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(struct ath_hal *hal) { /* * Free HAL structure, assume interrupts are down */ free(hal, M_DEVBUF); } HAL_BOOL ar5k_ar5210_phy_disable(struct ath_hal *hal) { AR5K_REG_WRITE(AR5K_AR5210_PHY_ACTIVE, AR5K_AR5210_PHY_DISABLE); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_reset(struct ath_hal *hal, HAL_OPMODE op_mode, HAL_CHANNEL *channel, HAL_BOOL change_channel, HAL_STATUS *status) { int i; /* Not used, keep for HAL compatibility */ *status = HAL_OK; 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_set_opmode(hal); /* * Write initial mode register settings */ for (i = 0; i < AR5K_ELEMENTS(ar5210_ini); i++) { if (change_channel == AH_TRUE && ar5210_ini[i].ini_register >= AR5K_AR5210_PCU_MIN && ar5210_ini[i].ini_register <= AR5K_AR5210_PCU_MAX) continue; switch (ar5210_ini[i].ini_mode) { case AR5K_INI_READ: /* Cleared on read */ AR5K_REG_READ(ar5210_ini[i].ini_register); break; case AR5K_INI_WRITE: default: AR5K_REG_WRITE(ar5210_ini[i].ini_register, ar5210_ini[i].ini_value); } } AR5K_DELAY(1000); /* * Set channel and calibrate the PHY */ /* Disable phy and wait */ AR5K_REG_WRITE(AR5K_AR5210_PHY_ACTIVE, AR5K_AR5210_PHY_DISABLE); AR5K_DELAY(1000); if (ar5k_channel(hal, channel) == AH_FALSE) return (AH_FALSE); /* * Activate phy and wait */ AR5K_REG_WRITE(AR5K_AR5210_PHY_ACTIVE, AR5K_AR5210_PHY_ENABLE); AR5K_DELAY(1000); ar5k_ar5210_do_calibrate(hal, channel); if (ar5k_ar5210_noise_floor(hal, channel) == AH_FALSE) return (AH_FALSE); /* * Set RF kill flags if supported by the device (read from the EEPROM) */ if (AR5K_EEPROM_HDR_RFKILL(hal->ah_capabilities.cap_eeprom.ee_header)) { ar5k_ar5210_set_gpio_input(hal, 0); if ((hal->ah_gpio[0] = ar5k_ar5210_get_gpio(hal, 0)) == 0) { ar5k_ar5210_set_gpio_intr(hal, 0, 1); } else { ar5k_ar5210_set_gpio_intr(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_reset_tx_queue(hal, i) == AH_FALSE) { AR5K_PRINTF("failed to reset TX queue #%d\n", i); return (AH_FALSE); } } AR5K_REG_DISABLE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_EN | AR5K_AR5210_BEACON_RESET_TSF); return (AH_TRUE); } void ar5k_ar5210_set_def_antenna(struct ath_hal *hal, u_int ant) { /* Not available */ return; } u_int ar5k_ar5210_get_def_antenna(struct ath_hal *hal) { return (0); } void ar5k_ar5210_set_opmode(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 */ low_id = AR5K_LOW_ID(hal->ah_sta_id); high_id = AR5K_HIGH_ID(hal->ah_sta_id); 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_calibrate(struct ath_hal *hal, HAL_CHANNEL *channel) { HAL_BOOL ret = AH_TRUE; u_int32_t phy_sig, phy_agc, phy_sat, beacon; #define AGC_DISABLE { \ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PHY_AGC, \ AR5K_AR5210_PHY_AGC_DISABLE); \ AR5K_DELAY(10); \ } #define AGC_ENABLE { \ AR5K_REG_DISABLE_BITS(AR5K_AR5210_PHY_AGC, \ AR5K_AR5210_PHY_AGC_DISABLE); \ } /* * 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); beacon = AR5K_REG_READ(AR5K_AR5210_BEACON); AR5K_REG_WRITE(AR5K_AR5210_BEACON, beacon & ~AR5K_AR5210_BEACON_EN); AR5K_DELAY(2300); /* * Set the channel (with AGC turned off) */ AGC_DISABLE; ret = ar5k_channel(hal, channel); /* * Activate PHY and wait */ AR5K_REG_WRITE(AR5K_AR5210_PHY_ACTIVE, AR5K_AR5210_PHY_ENABLE); AR5K_DELAY(1000); AGC_ENABLE; if (ret == AH_FALSE) return (ret); /* * Calibrate the radio chip */ /* Remember normal state */ phy_sig = AR5K_REG_READ(AR5K_AR5210_PHY_SIG); phy_agc = AR5K_REG_READ(AR5K_AR5210_PHY_AGCCOARSE); phy_sat = AR5K_REG_READ(AR5K_AR5210_PHY_ADCSAT); /* Update radio registers */ AR5K_REG_WRITE(AR5K_AR5210_PHY_SIG, (phy_sig & ~(AR5K_AR5210_PHY_SIG_FIRPWR)) | AR5K_REG_SM(-1, AR5K_AR5210_PHY_SIG_FIRPWR)); AR5K_REG_WRITE(AR5K_AR5210_PHY_AGCCOARSE, (phy_agc & ~(AR5K_AR5210_PHY_AGCCOARSE_HI | AR5K_AR5210_PHY_AGCCOARSE_LO)) | AR5K_REG_SM(-1, AR5K_AR5210_PHY_AGCCOARSE_HI) | AR5K_REG_SM(-127, AR5K_AR5210_PHY_AGCCOARSE_LO)); AR5K_REG_WRITE(AR5K_AR5210_PHY_ADCSAT, (phy_sat & ~(AR5K_AR5210_PHY_ADCSAT_ICNT | AR5K_AR5210_PHY_ADCSAT_THR)) | AR5K_REG_SM(2, AR5K_AR5210_PHY_ADCSAT_ICNT) | AR5K_REG_SM(12, AR5K_AR5210_PHY_ADCSAT_THR)); AR5K_DELAY(20); AGC_DISABLE; AR5K_REG_WRITE(AR5K_AR5210_PHY_RFSTG, AR5K_AR5210_PHY_RFSTG_DISABLE); AGC_ENABLE; AR5K_DELAY(1000); ret = ar5k_ar5210_do_calibrate(hal, channel); /* Reset to normal state */ AR5K_REG_WRITE(AR5K_AR5210_PHY_SIG, phy_sig); AR5K_REG_WRITE(AR5K_AR5210_PHY_AGCCOARSE, phy_agc); AR5K_REG_WRITE(AR5K_AR5210_PHY_ADCSAT, phy_sat); if (ret == AH_FALSE) return (AH_FALSE); if (ar5k_ar5210_noise_floor(hal, channel) == AH_FALSE) return (AH_FALSE); /* * 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_WRITE(AR5K_AR5210_BEACON, beacon); #undef AGC_ENABLE #undef AGC_DISABLE return (AH_TRUE); } HAL_BOOL ar5k_ar5210_do_calibrate(struct ath_hal *hal, HAL_CHANNEL *channel) { /* * Enable calibration and wait until completion */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGCCTL_CAL); if (ar5k_register_timeout(hal, AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGCCTL_CAL, 0, AH_FALSE) == AH_FALSE) { AR5K_PRINTF("calibration timeout (%uMHz)\n", channel->c_channel); return (AH_FALSE); } return (AH_TRUE); } HAL_BOOL ar5k_ar5210_noise_floor(struct ath_hal *hal, HAL_CHANNEL *channel) { int i; u_int32_t noise_floor; /* * Enable noise floor calibration and wait until completion */ AR5K_REG_ENABLE_BITS(AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGCCTL_NF); if (ar5k_register_timeout(hal, AR5K_AR5210_PHY_AGCCTL, AR5K_AR5210_PHY_AGCCTL_NF, 0, AH_FALSE) == AH_FALSE) { AR5K_PRINTF("noise floor calibration timeout (%uMHz)\n", channel->c_channel); return (AH_FALSE); } /* wait until the noise floor is calibrated */ for (i = 20; i > 0; i--) { AR5K_DELAY(1000); noise_floor = AR5K_REG_READ(AR5K_AR5210_PHY_NF); if (AR5K_AR5210_PHY_NF_RVAL(noise_floor) & AR5K_AR5210_PHY_NF_ACTIVE) noise_floor = AR5K_AR5210_PHY_NF_AVAL(noise_floor); if (noise_floor <= AR5K_TUNE_NOISE_FLOOR) break; } if (noise_floor > AR5K_TUNE_NOISE_FLOOR) { AR5K_PRINTF("noise floor calibration failed (%uMHz)\n", channel->c_channel); return (AH_FALSE); } return (AH_TRUE); } /* * Transmit functions */ HAL_BOOL ar5k_ar5210_update_tx_triglevel(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_setup_tx_queue(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 (-1); } /* * 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_setup_tx_queueprops(hal, queue, queue_info) != AH_TRUE) return (-1); } return (queue); } HAL_BOOL ar5k_ar5210_setup_tx_queueprops(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_get_tx_queueprops(struct ath_hal *hal, int queue, HAL_TXQ_INFO *queue_info) { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); bcopy(&hal->ah_txq[queue], queue_info, sizeof(HAL_TXQ_INFO)); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_release_tx_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(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((u_int32_t)initial[i].mode_register, turbo == AH_TRUE ? initial[i].mode_turbo : initial[i].mode_base); } HAL_BOOL ar5k_ar5210_reset_tx_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_get_tx_buf(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_put_tx_buf(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); } u_int32_t ar5k_ar5210_num_tx_pending(struct ath_hal *hal, u_int queue) { return (AH_FALSE); } HAL_BOOL ar5k_ar5210_tx_start(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_stop_tx_dma(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_setup_tx_desc(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) { u_int32_t frame_type; struct ar5k_ar5210_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5210_tx_desc*)&desc->ds_ctl0; /* * Validate input */ if (tx_tries0 == 0) return (AH_FALSE); if ((tx_desc->tx_control_0 = (packet_length & AR5K_AR5210_DESC_TX_CTL0_FRAME_LEN)) != packet_length) return (AH_FALSE); if ((tx_desc->tx_control_0 = (header_length & AR5K_AR5210_DESC_TX_CTL0_HEADER_LEN)) != header_length) return (AH_FALSE); if (type == HAL_PKT_TYPE_BEACON || type == HAL_PKT_TYPE_PROBE_RESP) frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_NO_DELAY; else if (type == HAL_PKT_TYPE_PIFS) frame_type = AR5K_AR5210_DESC_TX_FRAME_TYPE_PIFS; else frame_type = type; tx_desc->tx_control_0 = AR5K_REG_SM(frame_type, AR5K_AR5210_DESC_TX_CTL0_FRAME_TYPE); tx_desc->tx_control_0 |= AR5K_REG_SM(tx_rate0, AR5K_AR5210_DESC_TX_CTL0_XMIT_RATE); #define _TX_FLAGS(_c, _flag) \ if (flags & HAL_TXDESC_##_flag) \ tx_desc->tx_control_##_c |= \ AR5K_AR5210_DESC_TX_CTL##_c##_##_flag _TX_FLAGS(0, CLRDMASK); _TX_FLAGS(0, INTREQ); _TX_FLAGS(0, RTSENA); #undef _TX_FLAGS /* * WEP crap */ if (key_index != HAL_TXKEYIX_INVALID) { tx_desc->tx_control_0 |= AR5K_AR5210_DESC_TX_CTL0_ENCRYPT_KEY_VALID; tx_desc->tx_control_1 |= AR5K_REG_SM(key_index, AR5K_AR5210_DESC_TX_CTL1_ENCRYPT_KEY_INDEX); } /* * RTS/CTS */ if (flags & (HAL_TXDESC_RTSENA | HAL_TXDESC_CTSENA)) { tx_desc->tx_control_1 |= rtscts_duration & AR5K_AR5210_DESC_TX_CTL1_RTS_DURATION; } return (AH_TRUE); } HAL_BOOL ar5k_ar5210_fill_tx_desc(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 */ bzero(desc->ds_hw, sizeof(desc->ds_hw)); /* Validate segment length and initialize the descriptor */ if (segment_length & ~AR5K_AR5210_DESC_TX_CTL1_BUF_LEN) return (AH_FALSE); tx_desc->tx_control_1 = #if 0 (tx_desc->tx_control_1 & ~AR5K_AR5210_DESC_TX_CTL1_BUF_LEN) | #endif segment_length; if (first_segment != AH_TRUE) tx_desc->tx_control_0 &= ~AR5K_AR5210_DESC_TX_CTL0_FRAME_LEN; if (last_segment != AH_TRUE) tx_desc->tx_control_1 |= AR5K_AR5210_DESC_TX_CTL1_MORE; return (AH_TRUE); } HAL_BOOL ar5k_ar5210_setup_xtx_desc(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_proc_tx_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->tx_status_1 & AR5K_AR5210_DESC_TX_STATUS1_DONE) == 0) return (HAL_EINPROGRESS); /* * Get descriptor status */ desc->ds_us.tx.ts_tstamp = AR5K_REG_MS(tx_status->tx_status_0, AR5K_AR5210_DESC_TX_STATUS0_SEND_TIMESTAMP); desc->ds_us.tx.ts_shortretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_AR5210_DESC_TX_STATUS0_SHORT_RETRY_COUNT); desc->ds_us.tx.ts_longretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_AR5210_DESC_TX_STATUS0_LONG_RETRY_COUNT); desc->ds_us.tx.ts_seqnum = AR5K_REG_MS(tx_status->tx_status_1, AR5K_AR5210_DESC_TX_STATUS1_SEQ_NUM); desc->ds_us.tx.ts_rssi = AR5K_REG_MS(tx_status->tx_status_1, AR5K_AR5210_DESC_TX_STATUS1_ACK_SIG_STRENGTH); desc->ds_us.tx.ts_antenna = 1; desc->ds_us.tx.ts_status = 0; desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_0, AR5K_AR5210_DESC_TX_CTL0_XMIT_RATE); if ((tx_status->tx_status_0 & AR5K_AR5210_DESC_TX_STATUS0_FRAME_XMIT_OK) == 0) { if (tx_status->tx_status_0 & AR5K_AR5210_DESC_TX_STATUS0_EXCESSIVE_RETRIES) desc->ds_us.tx.ts_status |= HAL_TXERR_XRETRY; if (tx_status->tx_status_0 & AR5K_AR5210_DESC_TX_STATUS0_FIFO_UNDERRUN) desc->ds_us.tx.ts_status |= HAL_TXERR_FIFO; if (tx_status->tx_status_0 & AR5K_AR5210_DESC_TX_STATUS0_FILTERED) desc->ds_us.tx.ts_status |= HAL_TXERR_FILT; } return (HAL_OK); } HAL_BOOL ar5k_ar5210_has_veol(struct ath_hal *hal) { return (AH_FALSE); } /* * Receive functions */ u_int32_t ar5k_ar5210_get_rx_buf(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5210_RXDP)); } void ar5k_ar5210_put_rx_buf(struct ath_hal *hal, u_int32_t phys_addr) { AR5K_REG_WRITE(AR5K_AR5210_RXDP, phys_addr); } void ar5k_ar5210_start_rx(struct ath_hal *hal) { AR5K_REG_WRITE(AR5K_AR5210_CR, AR5K_AR5210_CR_RXE); } HAL_BOOL ar5k_ar5210_stop_rx_dma(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_start_rx_pcu(struct ath_hal *hal) { AR5K_REG_DISABLE_BITS(AR5K_AR5210_DIAG_SW, AR5K_AR5210_DIAG_SW_DIS_RX); } void ar5k_ar5210_stop_pcu_recv(struct ath_hal *hal) { AR5K_REG_ENABLE_BITS(AR5K_AR5210_DIAG_SW, AR5K_AR5210_DIAG_SW_DIS_RX); } void ar5k_ar5210_set_mcast_filter(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_set_mcast_filterindex(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_clear_mcast_filter_idx(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_get_rx_filter(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5210_RX_FILTER)); } void ar5k_ar5210_set_rx_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_setup_rx_desc(struct ath_hal *hal, struct ath_desc *desc, u_int32_t size, u_int flags) { struct ar5k_ar5210_rx_desc *rx_desc; rx_desc = (struct ar5k_ar5210_rx_desc*)&desc->ds_ctl0; if ((rx_desc->rx_control_1 = (size & AR5K_AR5210_DESC_RX_CTL1_BUF_LEN)) != size) return (AH_FALSE); if (flags & HAL_RXDESC_INTREQ) rx_desc->rx_control_1 |= AR5K_AR5210_DESC_RX_CTL1_INTREQ; return (AH_TRUE); } HAL_STATUS ar5k_ar5210_proc_rx_desc(struct ath_hal *hal, struct ath_desc *desc, u_int32_t phys_addr, struct ath_desc *next) { 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->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_DONE) == 0) return (HAL_EINPROGRESS); /* * Frame receive status */ desc->ds_us.rx.rs_datalen = rx_status->rx_status_0 & AR5K_AR5210_DESC_RX_STATUS0_DATA_LEN; desc->ds_us.rx.rs_rssi = AR5K_REG_MS(rx_status->rx_status_0, AR5K_AR5210_DESC_RX_STATUS0_RECEIVE_SIGNAL); desc->ds_us.rx.rs_rate = AR5K_REG_MS(rx_status->rx_status_0, AR5K_AR5210_DESC_RX_STATUS0_RECEIVE_RATE); desc->ds_us.rx.rs_antenna = rx_status->rx_status_0 & AR5K_AR5210_DESC_RX_STATUS0_RECEIVE_ANTENNA; desc->ds_us.rx.rs_more = rx_status->rx_status_0 & AR5K_AR5210_DESC_RX_STATUS0_MORE; desc->ds_us.rx.rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, AR5K_AR5210_DESC_RX_STATUS1_RECEIVE_TIMESTAMP); desc->ds_us.rx.rs_status = 0; /* * Key table status */ if (rx_status->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_KEY_INDEX_VALID) { desc->ds_us.rx.rs_keyix = AR5K_REG_MS(rx_status->rx_status_1, AR5K_AR5210_DESC_RX_STATUS1_KEY_INDEX); } else { desc->ds_us.rx.rs_keyix = HAL_RXKEYIX_INVALID; } /* * Receive/descriptor errors */ if ((rx_status->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_FRAME_RECEIVE_OK) == 0) { if (rx_status->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_CRC_ERROR) desc->ds_us.rx.rs_status |= HAL_RXERR_CRC; if (rx_status->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_FIFO_OVERRUN) desc->ds_us.rx.rs_status |= HAL_RXERR_FIFO; if (rx_status->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_PHY_ERROR) { desc->ds_us.rx.rs_status |= HAL_RXERR_PHY; desc->ds_us.rx.rs_phyerr = AR5K_REG_MS(rx_status->rx_status_1, AR5K_AR5210_DESC_RX_STATUS1_PHY_ERROR); } if (rx_status->rx_status_1 & AR5K_AR5210_DESC_RX_STATUS1_DECRYPT_CRC_ERROR) desc->ds_us.rx.rs_status |= HAL_RXERR_DECRYPT; } return (HAL_OK); } void ar5k_ar5210_set_rx_signal(struct ath_hal *hal) { /* Signal state monitoring is not yet supported */ } /* * Misc functions */ void ar5k_ar5210_dump_state(struct ath_hal *hal) { #ifdef AR5K_DEBUG #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"); #endif } HAL_BOOL ar5k_ar5210_get_diag_state(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_get_lladdr(struct ath_hal *hal, u_int8_t *mac) { bcopy(hal->ah_sta_id, mac, IEEE80211_ADDR_LEN); } HAL_BOOL ar5k_ar5210_set_lladdr(struct ath_hal *hal, const u_int8_t *mac) { u_int32_t low_id, high_id; /* Set new station ID */ bcopy(mac, hal->ah_sta_id, IEEE80211_ADDR_LEN); low_id = AR5K_LOW_ID(mac); high_id = 0x0000ffff & AR5K_HIGH_ID(mac); AR5K_REG_WRITE(AR5K_AR5210_STA_ID0, low_id); AR5K_REG_WRITE(AR5K_AR5210_STA_ID1, high_id); return (AH_TRUE); } HAL_BOOL ar5k_ar5210_set_regdomain(struct ath_hal *hal, u_int16_t regdomain, HAL_STATUS *status) { ieee80211_regdomain_t ieee_regdomain; ieee_regdomain = ar5k_regdomain_to_ieee(regdomain); if (ar5k_eeprom_regulation_domain(hal, AH_TRUE, &ieee_regdomain) == AH_TRUE) { *status = HAL_OK; return (AH_TRUE); } *status = EIO; return (AH_FALSE); } void ar5k_ar5210_set_ledstate(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_set_associd(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 */ low_id = AR5K_LOW_ID(bssid); high_id = AR5K_HIGH_ID(bssid); AR5K_REG_WRITE(AR5K_AR5210_BSS_ID0, low_id); AR5K_REG_WRITE(AR5K_AR5210_BSS_ID1, high_id | ((assoc_id & 0x3fff) << AR5K_AR5210_BSS_ID1_AID_S)); bcopy(bssid, &hal->ah_bssid, IEEE80211_ADDR_LEN); if (assoc_id == 0) { ar5k_ar5210_disable_pspoll(hal); return; } AR5K_REG_WRITE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_TIM, tim_offset ? tim_offset + 4 : 0); ar5k_ar5210_enable_pspoll(hal, NULL, 0); } HAL_BOOL ar5k_ar5210_set_bssid_mask(struct ath_hal *hal, const u_int8_t* mask) { /* Not supported in 5210 */ return (AH_FALSE); } HAL_BOOL ar5k_ar5210_set_gpio_output(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_set_gpio_input(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_get_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_set_gpio(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_set_gpio_intr(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_get_tsf32(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5210_TSF_L32)); } u_int64_t ar5k_ar5210_get_tsf64(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_reset_tsf(struct ath_hal *hal) { AR5K_REG_ENABLE_BITS(AR5K_AR5210_BEACON, AR5K_AR5210_BEACON_RESET_TSF); } u_int16_t ar5k_ar5210_get_regdomain(struct ath_hal *hal) { return (ar5k_get_regdomain(hal)); } HAL_BOOL ar5k_ar5210_detect_card_present(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_EEPROM_MAGIC, &magic) != 0) return (AH_FALSE); return (magic == AR5K_EEPROM_MAGIC_VALUE ? AH_TRUE : AH_FALSE); } void ar5k_ar5210_update_mib_counters(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_get_rf_gain(struct ath_hal *hal) { return (HAL_RFGAIN_INACTIVE); } HAL_BOOL ar5k_ar5210_set_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_get_slot_time(struct ath_hal *hal) { return (ar5k_clocktoh(AR5K_REG_READ(AR5K_AR5210_SLOT_TIME) & 0xffff, hal->ah_turbo)); } HAL_BOOL ar5k_ar5210_set_ack_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_get_ack_timeout(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_set_cts_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_get_cts_timeout(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_is_cipher_supported(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_get_keycache_size(struct ath_hal *hal) { return (AR5K_AR5210_KEYCACHE_SIZE); } HAL_BOOL ar5k_ar5210_reset_key(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_OFF(entry, i), 0); return (AH_FALSE); } HAL_BOOL ar5k_ar5210_is_key_valid(struct ath_hal *hal, u_int16_t entry) { AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); /* * Check the validation flag at the end of the entry */ if (AR5K_REG_READ(AR5K_AR5210_KEYTABLE_MAC1(entry)) & AR5K_AR5210_KEYTABLE_VALID) return (AH_TRUE); return (AH_FALSE); } HAL_BOOL ar5k_ar5210_set_key(struct ath_hal *hal, u_int16_t entry, const HAL_KEYVAL *keyval, const u_int8_t *mac, int xor_notused) { int i; u_int32_t key_v[AR5K_AR5210_KEYCACHE_SIZE - 2]; AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); bzero(&key_v, sizeof(key_v)); switch (keyval->wk_len) { case AR5K_KEYVAL_LENGTH_40: bcopy(keyval->wk_key, &key_v[0], 4); bcopy(keyval->wk_key + 4, &key_v[1], 1); key_v[5] = AR5K_AR5210_KEYTABLE_TYPE_40; break; case AR5K_KEYVAL_LENGTH_104: bcopy(keyval->wk_key, &key_v[0], 4); bcopy(keyval->wk_key + 4, &key_v[1], 2); bcopy(keyval->wk_key + 6, &key_v[2], 4); bcopy(keyval->wk_key + 10, &key_v[3], 2); bcopy(keyval->wk_key + 12, &key_v[4], 1); key_v[5] = AR5K_AR5210_KEYTABLE_TYPE_104; break; case AR5K_KEYVAL_LENGTH_128: bcopy(keyval->wk_key, &key_v[0], 4); bcopy(keyval->wk_key + 4, &key_v[1], 2); bcopy(keyval->wk_key + 6, &key_v[2], 4); bcopy(keyval->wk_key + 10, &key_v[3], 2); bcopy(keyval->wk_key + 12, &key_v[4], 4); key_v[5] = AR5K_AR5210_KEYTABLE_TYPE_128; break; default: /* Unsupported key length (not WEP40/104/128) */ return (AH_FALSE); } for (i = 0; i < AR5K_ELEMENTS(key_v); i++) AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE_OFF(entry, i), key_v[i]); return (ar5k_ar5210_set_key_lladdr(hal, entry, mac)); } HAL_BOOL ar5k_ar5210_set_key_lladdr(struct ath_hal *hal, u_int16_t entry, const u_int8_t *mac) { u_int32_t low_id, high_id; const u_int8_t *mac_v; /* * Invalid entry (key table overflow) */ AR5K_ASSERT_ENTRY(entry, AR5K_AR5210_KEYTABLE_SIZE); /* MAC may be NULL if it's a broadcast key */ mac_v = mac == NULL ? etherbroadcastaddr : mac; low_id = AR5K_LOW_ID(mac_v); high_id = AR5K_HIGH_ID(mac_v) | AR5K_AR5210_KEYTABLE_VALID; AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE_MAC0(entry), low_id); AR5K_REG_WRITE(AR5K_AR5210_KEYTABLE_MAC1(entry), high_id); return (AH_TRUE); } /* * Power management functions */ HAL_BOOL ar5k_ar5210_set_power(struct ath_hal *hal, HAL_POWER_MODE mode, HAL_BOOL set_chip, u_int16_t sleep_duration) { u_int32_t staid; int i; staid = AR5K_REG_READ(AR5K_AR5210_STA_ID1); switch (mode) { case HAL_PM_AUTO: staid &= ~AR5K_AR5210_STA_ID1_DEFAULT_ANTENNA; /* FALLTHROUGH */ case HAL_PM_NETWORK_SLEEP: if (set_chip == AH_TRUE) { AR5K_REG_WRITE(AR5K_AR5210_SCR, AR5K_AR5210_SCR_SLE | sleep_duration); } staid |= AR5K_AR5210_STA_ID1_PWR_SV; break; case HAL_PM_FULL_SLEEP: if (set_chip == AH_TRUE) { AR5K_REG_WRITE(AR5K_AR5210_SCR, AR5K_AR5210_SCR_SLE_SLP); } staid |= AR5K_AR5210_STA_ID1_PWR_SV; break; case HAL_PM_AWAKE: if (set_chip == AH_FALSE) 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); staid &= ~AR5K_AR5210_STA_ID1_PWR_SV; break; default: return (AH_FALSE); } commit: hal->ah_power_mode = mode; AR5K_REG_WRITE(AR5K_AR5210_STA_ID1, staid); return (AH_TRUE); } HAL_POWER_MODE ar5k_ar5210_get_power_mode(struct ath_hal *hal) { return (hal->ah_power_mode); } HAL_BOOL ar5k_ar5210_query_pspoll_support(struct ath_hal *hal) { /* I think so, why not? */ return (AH_TRUE); } HAL_BOOL ar5k_ar5210_init_pspoll(struct ath_hal *hal) { /* * Not used on the AR5210 */ return (AH_FALSE); } HAL_BOOL ar5k_ar5210_enable_pspoll(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_disable_pspoll(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_init_beacon(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) << 3; timer2 = (next_beacon - AR5K_TUNE_SW_BEACON_RESP) << 3; timer3 = next_beacon + hal->ah_atim_window; break; } /* * 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_set_beacon_timers(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 < 1) 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)) { AR5K_REG_WRITE_BITS(AR5K_AR5210_RSSI_THR, AR5K_AR5210_RSSI_THR_BM_THR, state->bs_bmiss_threshold); } } void ar5k_ar5210_reset_beacon(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_wait_for_beacon(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_is_intr_pending(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5210_INTPEND) == 0 ? AH_FALSE : AH_TRUE); } HAL_BOOL ar5k_ar5210_get_isr(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 caught by the driver) */ if (((*interrupt_mask) & AR5K_AR5210_ISR_RXPHY) && hal->ah_radar.r_enabled == AH_TRUE) ar5k_radar_alert(hal); /* XXX BMISS interrupts may occur after association */ *interrupt_mask &= ~HAL_INT_BMISS; return (AH_TRUE); } u_int32_t ar5k_ar5210_get_intr(struct ath_hal *hal) { /* Return the interrupt mask stored previously */ return (hal->ah_imr); } HAL_INT ar5k_ar5210_set_intr(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 */ if (int_mask) { AR5K_REG_WRITE(AR5K_AR5210_IER, AR5K_AR5210_IER_ENABLE); } return (old_mask); } /* * Misc internal functions */ HAL_BOOL ar5k_ar5210_get_capabilities(struct ath_hal *hal) { /* 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(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); } /* * EEPROM access functions */ HAL_BOOL ar5k_ar5210_eeprom_is_busy(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5210_CFG) & AR5K_AR5210_CFG_EEBS ? AH_TRUE : AH_FALSE); } int ar5k_ar5210_eeprom_read(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(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); } HAL_BOOL ar5k_ar5210_set_txpower_limit(struct ath_hal *hal, u_int power) { /* Not implemented */ return (AH_FALSE); }