/* $OpenBSD: ar5212.c,v 1.55 2014/07/12 18:48:17 tedu 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 AR5001 Wireless LAN chipset * (AR5212 + AR5111/AR5112). */ #include #include #include HAL_BOOL ar5k_ar5212_nic_reset(struct ath_hal *, u_int32_t); HAL_BOOL ar5k_ar5212_nic_wakeup(struct ath_hal *, u_int16_t); u_int16_t ar5k_ar5212_radio_revision(struct ath_hal *, HAL_CHIP); void ar5k_ar5212_fill(struct ath_hal *); HAL_BOOL ar5k_ar5212_txpower(struct ath_hal *, HAL_CHANNEL *, u_int); HAL_BOOL ar5k_ar5212_warm_reset(struct ath_hal *); /* * Initial register setting for the AR5212 */ static const struct ar5k_ini ar5212_ini[] = AR5K_AR5212_INI; static const struct ar5k_mode ar5212_mode[] = AR5K_AR5212_MODE; static const struct ar5k_mode ar5212_ar5111_mode[] = AR5K_AR5212_AR5111_MODE; static const struct ar5k_mode ar5212_ar5112_mode[] = AR5K_AR5212_AR5112_MODE; static const struct ar5k_mode ar5413_mode[] = AR5K_AR5413_MODE; static const struct ar5k_mode ar2413_mode[] = AR5K_AR2413_MODE; static const struct ar5k_mode ar2425_mode[] = AR5K_AR2425_MODE; static const struct ar5k_ini ar5111_bbgain[] = AR5K_AR5111_INI_BBGAIN; static const struct ar5k_ini ar5112_bbgain[] = AR5K_AR5112_INI_BBGAIN; static const struct ar5k_ini ar5212_pcie[] = AR5K_AR5212_PCIE; AR5K_HAL_FUNCTIONS(extern, ar5k_ar5212,); void ar5k_ar5212_fill(struct ath_hal *hal) { hal->ah_magic = AR5K_AR5212_MAGIC; /* * Init/Exit functions */ AR5K_HAL_FUNCTION(hal, ar5212, get_rate_table); AR5K_HAL_FUNCTION(hal, ar5212, detach); /* * Reset functions */ AR5K_HAL_FUNCTION(hal, ar5212, reset); AR5K_HAL_FUNCTION(hal, ar5212, set_opmode); AR5K_HAL_FUNCTION(hal, ar5212, calibrate); /* * TX functions */ AR5K_HAL_FUNCTION(hal, ar5212, update_tx_triglevel); AR5K_HAL_FUNCTION(hal, ar5212, setup_tx_queue); AR5K_HAL_FUNCTION(hal, ar5212, setup_tx_queueprops); AR5K_HAL_FUNCTION(hal, ar5212, release_tx_queue); AR5K_HAL_FUNCTION(hal, ar5212, reset_tx_queue); AR5K_HAL_FUNCTION(hal, ar5212, get_tx_buf); AR5K_HAL_FUNCTION(hal, ar5212, put_tx_buf); AR5K_HAL_FUNCTION(hal, ar5212, tx_start); AR5K_HAL_FUNCTION(hal, ar5212, stop_tx_dma); AR5K_HAL_FUNCTION(hal, ar5212, setup_tx_desc); AR5K_HAL_FUNCTION(hal, ar5212, setup_xtx_desc); AR5K_HAL_FUNCTION(hal, ar5212, fill_tx_desc); AR5K_HAL_FUNCTION(hal, ar5212, proc_tx_desc); AR5K_HAL_FUNCTION(hal, ar5212, has_veol); /* * RX functions */ AR5K_HAL_FUNCTION(hal, ar5212, get_rx_buf); AR5K_HAL_FUNCTION(hal, ar5212, put_rx_buf); AR5K_HAL_FUNCTION(hal, ar5212, start_rx); AR5K_HAL_FUNCTION(hal, ar5212, stop_rx_dma); AR5K_HAL_FUNCTION(hal, ar5212, start_rx_pcu); AR5K_HAL_FUNCTION(hal, ar5212, stop_pcu_recv); AR5K_HAL_FUNCTION(hal, ar5212, set_mcast_filter); AR5K_HAL_FUNCTION(hal, ar5212, set_mcast_filterindex); AR5K_HAL_FUNCTION(hal, ar5212, clear_mcast_filter_idx); AR5K_HAL_FUNCTION(hal, ar5212, get_rx_filter); AR5K_HAL_FUNCTION(hal, ar5212, set_rx_filter); AR5K_HAL_FUNCTION(hal, ar5212, setup_rx_desc); AR5K_HAL_FUNCTION(hal, ar5212, proc_rx_desc); AR5K_HAL_FUNCTION(hal, ar5212, set_rx_signal); /* * Misc functions */ AR5K_HAL_FUNCTION(hal, ar5212, dump_state); AR5K_HAL_FUNCTION(hal, ar5212, get_diag_state); AR5K_HAL_FUNCTION(hal, ar5212, get_lladdr); AR5K_HAL_FUNCTION(hal, ar5212, set_lladdr); AR5K_HAL_FUNCTION(hal, ar5212, set_regdomain); AR5K_HAL_FUNCTION(hal, ar5212, set_ledstate); AR5K_HAL_FUNCTION(hal, ar5212, set_associd); AR5K_HAL_FUNCTION(hal, ar5212, set_gpio_input); AR5K_HAL_FUNCTION(hal, ar5212, set_gpio_output); AR5K_HAL_FUNCTION(hal, ar5212, get_gpio); AR5K_HAL_FUNCTION(hal, ar5212, set_gpio); AR5K_HAL_FUNCTION(hal, ar5212, set_gpio_intr); AR5K_HAL_FUNCTION(hal, ar5212, get_tsf32); AR5K_HAL_FUNCTION(hal, ar5212, get_tsf64); AR5K_HAL_FUNCTION(hal, ar5212, reset_tsf); AR5K_HAL_FUNCTION(hal, ar5212, get_regdomain); AR5K_HAL_FUNCTION(hal, ar5212, detect_card_present); AR5K_HAL_FUNCTION(hal, ar5212, update_mib_counters); AR5K_HAL_FUNCTION(hal, ar5212, get_rf_gain); AR5K_HAL_FUNCTION(hal, ar5212, set_slot_time); AR5K_HAL_FUNCTION(hal, ar5212, get_slot_time); AR5K_HAL_FUNCTION(hal, ar5212, set_ack_timeout); AR5K_HAL_FUNCTION(hal, ar5212, get_ack_timeout); AR5K_HAL_FUNCTION(hal, ar5212, set_cts_timeout); AR5K_HAL_FUNCTION(hal, ar5212, get_cts_timeout); /* * Key table (WEP) functions */ AR5K_HAL_FUNCTION(hal, ar5212, is_cipher_supported); AR5K_HAL_FUNCTION(hal, ar5212, get_keycache_size); AR5K_HAL_FUNCTION(hal, ar5212, reset_key); AR5K_HAL_FUNCTION(hal, ar5212, is_key_valid); AR5K_HAL_FUNCTION(hal, ar5212, set_key); AR5K_HAL_FUNCTION(hal, ar5212, set_key_lladdr); AR5K_HAL_FUNCTION(hal, ar5212, softcrypto); /* * Power management functions */ AR5K_HAL_FUNCTION(hal, ar5212, set_power); AR5K_HAL_FUNCTION(hal, ar5212, get_power_mode); AR5K_HAL_FUNCTION(hal, ar5212, query_pspoll_support); AR5K_HAL_FUNCTION(hal, ar5212, init_pspoll); AR5K_HAL_FUNCTION(hal, ar5212, enable_pspoll); AR5K_HAL_FUNCTION(hal, ar5212, disable_pspoll); /* * Beacon functions */ AR5K_HAL_FUNCTION(hal, ar5212, init_beacon); AR5K_HAL_FUNCTION(hal, ar5212, set_beacon_timers); AR5K_HAL_FUNCTION(hal, ar5212, reset_beacon); AR5K_HAL_FUNCTION(hal, ar5212, wait_for_beacon); /* * Interrupt functions */ AR5K_HAL_FUNCTION(hal, ar5212, is_intr_pending); AR5K_HAL_FUNCTION(hal, ar5212, get_isr); AR5K_HAL_FUNCTION(hal, ar5212, get_intr); AR5K_HAL_FUNCTION(hal, ar5212, set_intr); /* * Chipset functions (ar5k-specific, non-HAL) */ AR5K_HAL_FUNCTION(hal, ar5212, get_capabilities); AR5K_HAL_FUNCTION(hal, ar5212, radar_alert); /* * EEPROM access */ AR5K_HAL_FUNCTION(hal, ar5212, eeprom_is_busy); AR5K_HAL_FUNCTION(hal, ar5212, eeprom_read); AR5K_HAL_FUNCTION(hal, ar5212, eeprom_write); /* * Unused functions or functions not implemented */ AR5K_HAL_FUNCTION(hal, ar5212, set_bssid_mask); AR5K_HAL_FUNCTION(hal, ar5212, get_tx_queueprops); AR5K_HAL_FUNCTION(hal, ar5212, num_tx_pending); AR5K_HAL_FUNCTION(hal, ar5212, phy_disable); AR5K_HAL_FUNCTION(hal, ar5212, set_txpower_limit); AR5K_HAL_FUNCTION(hal, ar5212, set_def_antenna); AR5K_HAL_FUNCTION(hal, ar5212, get_def_antenna); #ifdef notyet AR5K_HAL_FUNCTION(hal, ar5212, set_capability); AR5K_HAL_FUNCTION(hal, ar5212, proc_mib_event); AR5K_HAL_FUNCTION(hal, ar5212, get_tx_inter_queue); #endif } struct ath_hal * ar5k_ar5212_attach(u_int16_t device, void *sc, bus_space_tag_t st, bus_space_handle_t sh, int *status) { struct ath_hal *hal = (struct ath_hal*) sc; u_int8_t mac[IEEE80211_ADDR_LEN]; u_int32_t srev; ar5k_ar5212_fill(hal); /* Bring device out of sleep and reset its units */ if (ar5k_ar5212_nic_wakeup(hal, AR5K_INIT_MODE) != AH_TRUE) return (NULL); /* Get MAC, PHY and RADIO revisions */ srev = AR5K_REG_READ(AR5K_AR5212_SREV); hal->ah_mac_srev = srev; hal->ah_mac_version = AR5K_REG_MS(srev, AR5K_AR5212_SREV_VER); hal->ah_mac_revision = AR5K_REG_MS(srev, AR5K_AR5212_SREV_REV); hal->ah_phy_revision = AR5K_REG_READ(AR5K_AR5212_PHY_CHIP_ID) & 0x00ffffffff; hal->ah_radio_5ghz_revision = ar5k_ar5212_radio_revision(hal, HAL_CHIP_5GHZ); hal->ah_radio_2ghz_revision = ar5k_ar5212_radio_revision(hal, HAL_CHIP_2GHZ); /* Single chip radio */ if (hal->ah_radio_2ghz_revision == hal->ah_radio_5ghz_revision) hal->ah_radio_2ghz_revision = 0; /* Identify the chipset (this has to be done in an early step) */ hal->ah_version = AR5K_AR5212; if (device == AR5K_VERSION_DEV) { hal->ah_radio = AR5K_AR5413; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5424; hal->ah_radio_5ghz_revision = hal->ah_radio_2ghz_revision = AR5K_SREV_VER_AR5413; } else if (srev == AR5K_SREV_VER_AR2425) { hal->ah_radio = AR5K_AR2425; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5112; hal->ah_radio_5ghz_revision = AR5K_SREV_RAD_SC2; } else if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_5112) { hal->ah_radio = AR5K_AR5111; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5111; } else if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC0) { hal->ah_radio = AR5K_AR5112; if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_5112A) hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5112; else hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5112A; } else if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC1) { hal->ah_radio = AR5K_AR2413; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5112A; } else if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC2) { hal->ah_radio = AR5K_AR5413; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5112A; } else if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_5133 && srev < AR5K_SREV_VER_AR5424) { hal->ah_radio = AR5K_AR2413; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5112A; } else if (hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_5133) { hal->ah_radio = AR5K_AR5413; hal->ah_phy_spending = AR5K_AR5212_PHY_SPENDING_AR5424; } hal->ah_phy = AR5K_AR5212_PHY(0); if (hal->ah_pci_express == AH_TRUE) { /* PCI-Express based devices need some extra initialization */ ar5k_write_ini(hal, ar5212_pcie, nitems(ar5212_pcie), 0); } bcopy(etherbroadcastaddr, mac, IEEE80211_ADDR_LEN); ar5k_ar5212_set_associd(hal, mac, 0, 0); ar5k_ar5212_get_lladdr(hal, mac); ar5k_ar5212_set_opmode(hal); return (hal); } HAL_BOOL ar5k_ar5212_nic_reset(struct ath_hal *hal, u_int32_t val) { HAL_BOOL ret = AH_FALSE; u_int32_t mask = val ? val : ~0; /* Read-and-clear */ AR5K_REG_READ(AR5K_AR5212_RXDP); /* * Reset the device and wait until success */ AR5K_REG_WRITE(AR5K_AR5212_RC, val); /* Wait at least 128 PCI clocks */ AR5K_DELAY(15); val &= AR5K_AR5212_RC_PCU | AR5K_AR5212_RC_BB; mask &= AR5K_AR5212_RC_PCU | AR5K_AR5212_RC_BB; ret = ar5k_register_timeout(hal, AR5K_AR5212_RC, mask, val, AH_FALSE); /* * Reset configuration register */ if ((val & AR5K_AR5212_RC_PCU) == 0) AR5K_REG_WRITE(AR5K_AR5212_CFG, AR5K_AR5212_INIT_CFG); return (ret); } HAL_BOOL ar5k_ar5212_nic_wakeup(struct ath_hal *hal, u_int16_t flags) { u_int32_t turbo, mode, clock; turbo = 0; mode = 0; clock = 0; /* * Get channel mode flags */ if (hal->ah_radio >= AR5K_AR5112) { mode = AR5K_AR5212_PHY_MODE_RAD_AR5112; clock = AR5K_AR5212_PHY_PLL_AR5112; } else { mode = AR5K_AR5212_PHY_MODE_RAD_AR5111; clock = AR5K_AR5212_PHY_PLL_AR5111; } if (flags & IEEE80211_CHAN_2GHZ) { mode |= AR5K_AR5212_PHY_MODE_FREQ_2GHZ; clock |= AR5K_AR5212_PHY_PLL_44MHZ; } else if (flags & IEEE80211_CHAN_5GHZ) { mode |= AR5K_AR5212_PHY_MODE_FREQ_5GHZ; clock |= AR5K_AR5212_PHY_PLL_40MHZ; } else { AR5K_PRINT("invalid radio frequency mode\n"); return (AH_FALSE); } if (flags & IEEE80211_CHAN_CCK) { mode |= AR5K_AR5212_PHY_MODE_MOD_CCK; } else if (flags & IEEE80211_CHAN_OFDM) { mode |= AR5K_AR5212_PHY_MODE_MOD_OFDM; } else if (flags & IEEE80211_CHAN_DYN) { mode |= AR5K_AR5212_PHY_MODE_MOD_DYN; } else { AR5K_PRINT("invalid radio frequency mode\n"); return (AH_FALSE); } if (flags & IEEE80211_CHAN_TURBO) { turbo = AR5K_AR5212_PHY_TURBO_MODE | AR5K_AR5212_PHY_TURBO_SHORT; } /* * Reset and wakeup the device */ /* ...reset chipset and PCI device (if not PCI-E) */ if (hal->ah_pci_express == AH_FALSE && ar5k_ar5212_nic_reset(hal, AR5K_AR5212_RC_CHIP) == AH_FALSE) { AR5K_PRINT("failed to reset the AR5212 + PCI chipset\n"); return (AH_FALSE); } /* ...wakeup */ if (ar5k_ar5212_set_power(hal, HAL_PM_AWAKE, AH_TRUE, 0) == AH_FALSE) { AR5K_PRINT("failed to resume the AR5212 (again)\n"); return (AH_FALSE); } /* ...final warm reset */ if (ar5k_ar5212_nic_reset(hal, 0) == AH_FALSE) { AR5K_PRINT("failed to warm reset the AR5212\n"); return (AH_FALSE); } /* ...set the PHY operating mode */ AR5K_REG_WRITE(AR5K_AR5212_PHY_PLL, clock); AR5K_DELAY(300); AR5K_REG_WRITE(AR5K_AR5212_PHY_MODE, mode); AR5K_REG_WRITE(AR5K_AR5212_PHY_TURBO, turbo); return (AH_TRUE); } u_int16_t ar5k_ar5212_radio_revision(struct ath_hal *hal, HAL_CHIP chip) { int i; u_int32_t srev; u_int16_t ret; /* * Set the radio chip access register */ switch (chip) { case HAL_CHIP_2GHZ: AR5K_REG_WRITE(AR5K_AR5212_PHY(0), AR5K_AR5212_PHY_SHIFT_2GHZ); break; case HAL_CHIP_5GHZ: AR5K_REG_WRITE(AR5K_AR5212_PHY(0), AR5K_AR5212_PHY_SHIFT_5GHZ); break; default: return (0); } AR5K_DELAY(2000); /* ...wait until PHY is ready and read the selected radio revision */ AR5K_REG_WRITE(AR5K_AR5212_PHY(0x34), 0x00001c16); for (i = 0; i < 8; i++) AR5K_REG_WRITE(AR5K_AR5212_PHY(0x20), 0x00010000); srev = (AR5K_REG_READ(AR5K_AR5212_PHY(0x100)) >> 24) & 0xff; ret = ar5k_bitswap(((srev & 0xf0) >> 4) | ((srev & 0x0f) << 4), 8); /* Reset to the 5GHz mode */ AR5K_REG_WRITE(AR5K_AR5212_PHY(0), AR5K_AR5212_PHY_SHIFT_5GHZ); return (ret); } const HAL_RATE_TABLE * ar5k_ar5212_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: return (&hal->ah_rt_11b); case HAL_MODE_11G: case HAL_MODE_PUREG: return (&hal->ah_rt_11g); case HAL_MODE_XR: return (&hal->ah_rt_xr); default: return (NULL); } return (NULL); } void ar5k_ar5212_detach(struct ath_hal *hal) { if (hal->ah_rf_banks != NULL) free(hal->ah_rf_banks, M_DEVBUF, 0); /* * Free HAL structure, assume interrupts are down */ free(hal, M_DEVBUF, 0); } HAL_BOOL ar5k_ar5212_phy_disable(struct ath_hal *hal) { AR5K_REG_WRITE(AR5K_AR5212_PHY_ACTIVE, AR5K_AR5212_PHY_DISABLE); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_reset(struct ath_hal *hal, HAL_OPMODE op_mode, HAL_CHANNEL *channel, HAL_BOOL chanchange, HAL_STATUS *status) { struct ar5k_eeprom_info *ee = &hal->ah_capabilities.cap_eeprom; u_int8_t mac[IEEE80211_ADDR_LEN]; u_int32_t data, s_seq, s_ant, s_led[3], dmasize; u_int i, mode, freq, ee_mode, ant[2]; const HAL_RATE_TABLE *rt; /* * Save some registers before a reset */ if (chanchange == AH_TRUE) { s_seq = AR5K_REG_READ(AR5K_AR5212_DCU_SEQNUM(0)); s_ant = AR5K_REG_READ(AR5K_AR5212_DEFAULT_ANTENNA); } else { s_seq = 0; s_ant = 1; } s_led[0] = AR5K_REG_READ(AR5K_AR5212_PCICFG) & AR5K_AR5212_PCICFG_LEDSTATE; s_led[1] = AR5K_REG_READ(AR5K_AR5212_GPIOCR); s_led[2] = AR5K_REG_READ(AR5K_AR5212_GPIODO); if (chanchange == AH_TRUE && hal->ah_rf_banks != NULL) ar5k_ar5212_get_rf_gain(hal); if (ar5k_ar5212_nic_wakeup(hal, channel->c_channel_flags) == AH_FALSE) return (AH_FALSE); /* * Initialize operating mode */ hal->ah_op_mode = op_mode; switch (channel->c_channel_flags & CHANNEL_MODES) { case CHANNEL_A: mode = AR5K_INI_VAL_11A; freq = AR5K_INI_RFGAIN_5GHZ; ee_mode = AR5K_EEPROM_MODE_11A; break; case CHANNEL_B: mode = AR5K_INI_VAL_11B; freq = AR5K_INI_RFGAIN_2GHZ; ee_mode = AR5K_EEPROM_MODE_11B; break; case CHANNEL_G: case CHANNEL_PUREG: mode = AR5K_INI_VAL_11G; freq = AR5K_INI_RFGAIN_2GHZ; ee_mode = AR5K_EEPROM_MODE_11G; break; case CHANNEL_T: mode = AR5K_INI_VAL_11A_TURBO; freq = AR5K_INI_RFGAIN_5GHZ; ee_mode = AR5K_EEPROM_MODE_11A; break; case CHANNEL_TG: mode = AR5K_INI_VAL_11G_TURBO; freq = AR5K_INI_RFGAIN_2GHZ; ee_mode = AR5K_EEPROM_MODE_11G; break; case CHANNEL_XR: mode = AR5K_INI_VAL_XR; freq = AR5K_INI_RFGAIN_5GHZ; ee_mode = AR5K_EEPROM_MODE_11A; break; default: AR5K_PRINTF("invalid channel: %d\n", channel->c_channel); return (AH_FALSE); } /* PHY access enable */ AR5K_REG_WRITE(AR5K_AR5212_PHY(0), AR5K_AR5212_PHY_SHIFT_5GHZ); /* * Write initial mode and register settings */ ar5k_write_mode(hal, ar5212_mode, nitems(ar5212_mode), mode); ar5k_write_ini(hal, ar5212_ini, nitems(ar5212_ini), chanchange); switch (hal->ah_radio) { case AR5K_AR5111: ar5k_write_mode(hal, ar5212_ar5111_mode, nitems(ar5212_ar5111_mode), mode); break; case AR5K_AR5112: ar5k_write_mode(hal, ar5212_ar5112_mode, nitems(ar5212_ar5112_mode), mode); break; case AR5K_AR5413: ar5k_write_mode(hal, ar5413_mode, nitems(ar5413_mode), mode); break; case AR5K_AR2413: AR5K_REG_WRITE(AR5K_AR5212_PHY(648), 0x018830c6); ar5k_write_mode(hal, ar2413_mode, nitems(ar2413_mode), mode); break; case AR5K_AR2425: AR5K_REG_WRITE(AR5K_AR5212_PHY(648), 0x018830c6); if (mode == AR5K_INI_VAL_11B) mode = AR5K_INI_VAL_11G; ar5k_write_mode(hal, ar2425_mode, nitems(ar2425_mode), mode); break; default: AR5K_PRINTF("invalid radio: %d\n", hal->ah_radio); return (AH_FALSE); } if (hal->ah_radio == AR5K_AR5111) ar5k_write_ini(hal, ar5111_bbgain, nitems(ar5111_bbgain), chanchange); else ar5k_write_ini(hal, ar5112_bbgain, nitems(ar5112_bbgain), chanchange); /* * Write initial RF gain settings */ if (ar5k_rfgain(hal, freq) == AH_FALSE) return (AH_FALSE); AR5K_DELAY(1000); /* * Set rate duration table */ rt = ar5k_ar5212_get_rate_table(hal, channel->c_channel_flags & IEEE80211_CHAN_TURBO ? HAL_MODE_TURBO : HAL_MODE_XR); for (i = 0; i < rt->rt_rate_count; i++) { AR5K_REG_WRITE(AR5K_AR5212_RATE_DUR(rt->rt_info[i].r_rate_code), ath_hal_computetxtime(hal, rt, 14, rt->rt_info[i].r_control_rate, AH_FALSE)); } if ((channel->c_channel_flags & IEEE80211_CHAN_TURBO) == 0) { rt = ar5k_ar5212_get_rate_table(hal, HAL_MODE_11B); for (i = 0; i < rt->rt_rate_count; i++) { data = AR5K_AR5212_RATE_DUR(rt->rt_info[i].r_rate_code); AR5K_REG_WRITE(data, ath_hal_computetxtime(hal, rt, 14, rt->rt_info[i].r_control_rate, AH_FALSE)); if (rt->rt_info[i].r_short_preamble) { AR5K_REG_WRITE(data + (rt->rt_info[i].r_short_preamble << 2), ath_hal_computetxtime(hal, rt, 14, rt->rt_info[i].r_control_rate, AH_FALSE)); } } } /* Fix for first revision of the AR5112 RF chipset */ if (hal->ah_radio >= AR5K_AR5112 && hal->ah_radio_5ghz_revision < AR5K_SREV_RAD_5112A) { AR5K_REG_WRITE(AR5K_AR5212_PHY_CCKTXCTL, AR5K_AR5212_PHY_CCKTXCTL_WORLD); if (channel->c_channel_flags & IEEE80211_CHAN_OFDM) data = 0xffb81020; else data = 0xffb80d20; AR5K_REG_WRITE(AR5K_AR5212_PHY_FC, data); } /* * Set TX power (XXX use txpower from net80211) */ if (ar5k_ar5212_txpower(hal, channel, AR5K_TUNE_DEFAULT_TXPOWER) == AH_FALSE) return (AH_FALSE); /* * Write RF registers */ if (ar5k_rfregs(hal, channel, mode) == AH_FALSE) return (AH_FALSE); /* * Configure additional registers */ /* OFDM timings */ if (channel->c_channel_flags & IEEE80211_CHAN_OFDM) { u_int32_t coef_scaled, coef_exp, coef_man, ds_coef_exp, ds_coef_man, clock; clock = channel->c_channel_flags & IEEE80211_CHAN_T ? 80 : 40; coef_scaled = ((5 * (clock << 24)) / 2) / channel->c_channel; for (coef_exp = 31; coef_exp > 0; coef_exp--) if ((coef_scaled >> coef_exp) & 0x1) break; if (!coef_exp) return (AH_FALSE); coef_exp = 14 - (coef_exp - 24); coef_man = coef_scaled + (1 << (24 - coef_exp - 1)); ds_coef_man = coef_man >> (24 - coef_exp); ds_coef_exp = coef_exp - 16; AR5K_REG_WRITE_BITS(AR5K_AR5212_PHY_TIMING_3, AR5K_AR5212_PHY_TIMING_3_DSC_MAN, ds_coef_man); AR5K_REG_WRITE_BITS(AR5K_AR5212_PHY_TIMING_3, AR5K_AR5212_PHY_TIMING_3_DSC_EXP, ds_coef_exp); } if (hal->ah_radio == AR5K_AR5111) { if (channel->c_channel_flags & IEEE80211_CHAN_B) AR5K_REG_ENABLE_BITS(AR5K_AR5212_TXCFG, AR5K_AR5212_TXCFG_B_MODE); else AR5K_REG_DISABLE_BITS(AR5K_AR5212_TXCFG, AR5K_AR5212_TXCFG_B_MODE); } /* Set antenna mode */ AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x44), hal->ah_antenna[ee_mode][0], 0xfffffc06); if (freq == AR5K_INI_RFGAIN_2GHZ) ant[0] = ant[1] = HAL_ANT_FIXED_B; else ant[0] = ant[1] = HAL_ANT_FIXED_A; AR5K_REG_WRITE(AR5K_AR5212_PHY_ANT_SWITCH_TABLE_0, hal->ah_antenna[ee_mode][ant[0]]); AR5K_REG_WRITE(AR5K_AR5212_PHY_ANT_SWITCH_TABLE_1, hal->ah_antenna[ee_mode][ant[1]]); /* Commit values from EEPROM */ if (hal->ah_radio == AR5K_AR5111) AR5K_REG_WRITE_BITS(AR5K_AR5212_PHY_FC, AR5K_AR5212_PHY_FC_TX_CLIP, ee->ee_tx_clip); AR5K_REG_WRITE(AR5K_AR5212_PHY(0x5a), AR5K_AR5212_PHY_NF_SVAL(ee->ee_noise_floor_thr[ee_mode])); AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x11), (ee->ee_switch_settling[ee_mode] << 7) & 0x3f80, 0xffffc07f); AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x12), (ee->ee_ant_tx_rx[ee_mode] << 12) & 0x3f000, 0xfffc0fff); AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x14), (ee->ee_adc_desired_size[ee_mode] & 0x00ff) | ((ee->ee_pga_desired_size[ee_mode] << 8) & 0xff00), 0xffff0000); AR5K_REG_WRITE(AR5K_AR5212_PHY(0x0d), (ee->ee_tx_end2xpa_disable[ee_mode] << 24) | (ee->ee_tx_end2xpa_disable[ee_mode] << 16) | (ee->ee_tx_frm2xpa_enable[ee_mode] << 8) | (ee->ee_tx_frm2xpa_enable[ee_mode])); AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x0a), ee->ee_tx_end2xlna_enable[ee_mode] << 8, 0xffff00ff); AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x19), (ee->ee_thr_62[ee_mode] << 12) & 0x7f000, 0xfff80fff); AR5K_REG_MASKED_BITS(AR5K_AR5212_PHY(0x49), 4, 0xffffff01); AR5K_REG_ENABLE_BITS(AR5K_AR5212_PHY_IQ, AR5K_AR5212_PHY_IQ_CORR_ENABLE | (ee->ee_i_cal[ee_mode] << AR5K_AR5212_PHY_IQ_CORR_Q_I_COFF_S) | ee->ee_q_cal[ee_mode]); if (hal->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) { AR5K_REG_WRITE_BITS(AR5K_AR5212_PHY_GAIN_2GHZ, AR5K_AR5212_PHY_GAIN_2GHZ_MARGIN_TXRX, ee->ee_margin_tx_rx[ee_mode]); } /* * Restore saved values */ AR5K_REG_WRITE(AR5K_AR5212_DCU_SEQNUM(0), s_seq); AR5K_REG_WRITE(AR5K_AR5212_DEFAULT_ANTENNA, s_ant); AR5K_REG_ENABLE_BITS(AR5K_AR5212_PCICFG, s_led[0]); AR5K_REG_WRITE(AR5K_AR5212_GPIOCR, s_led[1]); AR5K_REG_WRITE(AR5K_AR5212_GPIODO, s_led[2]); /* * Misc */ bcopy(etherbroadcastaddr, mac, IEEE80211_ADDR_LEN); ar5k_ar5212_set_associd(hal, mac, 0, 0); ar5k_ar5212_set_opmode(hal); AR5K_REG_WRITE(AR5K_AR5212_PISR, 0xffffffff); AR5K_REG_WRITE(AR5K_AR5212_RSSI_THR, AR5K_TUNE_RSSI_THRES); /* * Set Rx/Tx DMA Configuration * * XXX Limit DMA size on PCI-E chipsets to 128 bytes because * XXX we saw RX overruns and TX errors with higher values. */ dmasize = hal->ah_pci_express == AH_TRUE ? AR5K_AR5212_DMASIZE_128B : AR5K_AR5212_DMASIZE_512B; AR5K_REG_WRITE_BITS(AR5K_AR5212_TXCFG, AR5K_AR5212_TXCFG_SDMAMR, dmasize | AR5K_AR5212_TXCFG_DMASIZE); AR5K_REG_WRITE_BITS(AR5K_AR5212_RXCFG, AR5K_AR5212_RXCFG_SDMAMW, dmasize); /* * Set channel and calibrate the PHY */ if (ar5k_channel(hal, channel) == AH_FALSE) return (AH_FALSE); /* * Enable the PHY and wait until completion */ AR5K_REG_WRITE(AR5K_AR5212_PHY_ACTIVE, AR5K_AR5212_PHY_ENABLE); data = AR5K_REG_READ(AR5K_AR5212_PHY_RX_DELAY) & AR5K_AR5212_PHY_RX_DELAY_M; data = (channel->c_channel_flags & IEEE80211_CHAN_CCK) ? ((data << 2) / 22) : (data / 10); AR5K_DELAY(100 + data); /* * Start calibration */ AR5K_REG_ENABLE_BITS(AR5K_AR5212_PHY_AGCCTL, AR5K_AR5212_PHY_AGCCTL_NF | AR5K_AR5212_PHY_AGCCTL_CAL); hal->ah_calibration = AH_FALSE; if ((channel->c_channel_flags & IEEE80211_CHAN_B) == 0) { hal->ah_calibration = AH_TRUE; AR5K_REG_WRITE_BITS(AR5K_AR5212_PHY_IQ, AR5K_AR5212_PHY_IQ_CAL_NUM_LOG_MAX, 15); AR5K_REG_ENABLE_BITS(AR5K_AR5212_PHY_IQ, AR5K_AR5212_PHY_IQ_RUN); } /* * 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++) { AR5K_REG_WRITE_Q(AR5K_AR5212_DCU_QCUMASK(i), i); if (ar5k_ar5212_reset_tx_queue(hal, i) == AH_FALSE) { AR5K_PRINTF("failed to reset TX queue #%d\n", i); return (AH_FALSE); } } /* Pre-enable interrupts */ ar5k_ar5212_set_intr(hal, HAL_INT_RX | HAL_INT_TX | HAL_INT_FATAL); /* * 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_ar5212_set_gpio_input(hal, 0); if ((hal->ah_gpio[0] = ar5k_ar5212_get_gpio(hal, 0)) == 0) ar5k_ar5212_set_gpio_intr(hal, 0, 1); else ar5k_ar5212_set_gpio_intr(hal, 0, 0); } /* * Set the 32MHz reference clock */ AR5K_REG_WRITE(AR5K_AR5212_PHY_SCR, AR5K_AR5212_PHY_SCR_32MHZ); AR5K_REG_WRITE(AR5K_AR5212_PHY_SLMT, AR5K_AR5212_PHY_SLMT_32MHZ); AR5K_REG_WRITE(AR5K_AR5212_PHY_SCAL, AR5K_AR5212_PHY_SCAL_32MHZ); AR5K_REG_WRITE(AR5K_AR5212_PHY_SCLOCK, AR5K_AR5212_PHY_SCLOCK_32MHZ); AR5K_REG_WRITE(AR5K_AR5212_PHY_SDELAY, AR5K_AR5212_PHY_SDELAY_32MHZ); AR5K_REG_WRITE(AR5K_AR5212_PHY_SPENDING, hal->ah_phy_spending); /* * Disable beacons and reset the register */ AR5K_REG_DISABLE_BITS(AR5K_AR5212_BEACON, AR5K_AR5212_BEACON_ENABLE | AR5K_AR5212_BEACON_RESET_TSF); return (AH_TRUE); } void ar5k_ar5212_set_def_antenna(struct ath_hal *hal, u_int ant) { AR5K_REG_WRITE(AR5K_AR5212_DEFAULT_ANTENNA, ant); } u_int ar5k_ar5212_get_def_antenna(struct ath_hal *hal) { return AR5K_REG_READ(AR5K_AR5212_DEFAULT_ANTENNA); } void ar5k_ar5212_set_opmode(struct ath_hal *hal) { u_int32_t pcu_reg, low_id, high_id; pcu_reg = 0; switch (hal->ah_op_mode) { #ifndef IEEE80211_STA_ONLY case IEEE80211_M_IBSS: pcu_reg |= AR5K_AR5212_STA_ID1_ADHOC | AR5K_AR5212_STA_ID1_DESC_ANTENNA; break; case IEEE80211_M_HOSTAP: pcu_reg |= AR5K_AR5212_STA_ID1_AP | AR5K_AR5212_STA_ID1_RTS_DEFAULT_ANTENNA; break; #endif case IEEE80211_M_STA: case IEEE80211_M_MONITOR: pcu_reg |= AR5K_AR5212_STA_ID1_DEFAULT_ANTENNA; break; default: return; } /* * Set PCU registers */ low_id = AR5K_LOW_ID(hal->ah_sta_id); high_id = AR5K_HIGH_ID(hal->ah_sta_id); AR5K_REG_WRITE(AR5K_AR5212_STA_ID0, low_id); AR5K_REG_WRITE(AR5K_AR5212_STA_ID1, pcu_reg | high_id); return; } HAL_BOOL ar5k_ar5212_calibrate(struct ath_hal *hal, HAL_CHANNEL *channel) { u_int32_t i_pwr, q_pwr; int32_t iq_corr, i_coff, i_coffd, q_coff, q_coffd; if (hal->ah_calibration == AH_FALSE || AR5K_REG_READ(AR5K_AR5212_PHY_IQ) & AR5K_AR5212_PHY_IQ_RUN) goto done; hal->ah_calibration = AH_FALSE; iq_corr = AR5K_REG_READ(AR5K_AR5212_PHY_IQRES_CAL_CORR); i_pwr = AR5K_REG_READ(AR5K_AR5212_PHY_IQRES_CAL_PWR_I); q_pwr = AR5K_REG_READ(AR5K_AR5212_PHY_IQRES_CAL_PWR_Q); i_coffd = ((i_pwr >> 1) + (q_pwr >> 1)) >> 7; q_coffd = q_pwr >> 6; if (i_coffd == 0 || q_coffd == 0) goto done; i_coff = ((-iq_corr) / i_coffd) & 0x3f; q_coff = (((int32_t)i_pwr / q_coffd) - 64) & 0x1f; /* Commit new IQ value */ AR5K_REG_ENABLE_BITS(AR5K_AR5212_PHY_IQ, AR5K_AR5212_PHY_IQ_CORR_ENABLE | ((u_int32_t)q_coff) | ((u_int32_t)i_coff << AR5K_AR5212_PHY_IQ_CORR_Q_I_COFF_S)); done: /* Start noise floor calibration */ AR5K_REG_ENABLE_BITS(AR5K_AR5212_PHY_AGCCTL, AR5K_AR5212_PHY_AGCCTL_NF); /* Request RF gain */ if (channel->c_channel_flags & IEEE80211_CHAN_5GHZ) { AR5K_REG_WRITE(AR5K_AR5212_PHY_PAPD_PROBE, AR5K_REG_SM(hal->ah_txpower.txp_max, AR5K_AR5212_PHY_PAPD_PROBE_TXPOWER) | AR5K_AR5212_PHY_PAPD_PROBE_TX_NEXT); hal->ah_rf_gain = HAL_RFGAIN_READ_REQUESTED; } return (AH_TRUE); } /* * Transmit functions */ HAL_BOOL ar5k_ar5212_update_tx_triglevel(struct ath_hal *hal, HAL_BOOL increase) { u_int32_t trigger_level, imr; HAL_BOOL status = AH_FALSE; /* * Disable interrupts by setting the mask */ imr = ar5k_ar5212_set_intr(hal, hal->ah_imr & ~HAL_INT_GLOBAL); trigger_level = AR5K_REG_MS(AR5K_REG_READ(AR5K_AR5212_TXCFG), AR5K_AR5212_TXCFG_TXFULL); 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_BITS(AR5K_AR5212_TXCFG, AR5K_AR5212_TXCFG_TXFULL, trigger_level); status = AH_TRUE; done: /* * Restore interrupt mask */ ar5k_ar5212_set_intr(hal, imr); return (status); } int ar5k_ar5212_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 */ if (queue_type == HAL_TX_QUEUE_DATA) { for (queue = HAL_TX_QUEUE_ID_DATA_MIN; hal->ah_txq[queue].tqi_type != HAL_TX_QUEUE_INACTIVE; queue++) if (queue > HAL_TX_QUEUE_ID_DATA_MAX) return (-1); } else if (queue_type == HAL_TX_QUEUE_PSPOLL) { queue = HAL_TX_QUEUE_ID_PSPOLL; } else if (queue_type == HAL_TX_QUEUE_BEACON) { queue = HAL_TX_QUEUE_ID_BEACON; } else if (queue_type == HAL_TX_QUEUE_CAB) { queue = HAL_TX_QUEUE_ID_CAB; } else return (-1); /* * Setup internal queue structure */ bzero(&hal->ah_txq[queue], sizeof(HAL_TXQ_INFO)); if (queue_info != NULL) { if (ar5k_ar5212_setup_tx_queueprops(hal, queue, queue_info) != AH_TRUE) return (-1); } hal->ah_txq[queue].tqi_type = queue_type; AR5K_Q_ENABLE_BITS(hal->ah_txq_interrupts, queue); return (queue); } HAL_BOOL ar5k_ar5212_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); bcopy(queue_info, &hal->ah_txq[queue], sizeof(HAL_TXQ_INFO)); if (queue_info->tqi_type == HAL_TX_QUEUE_DATA && (queue_info->tqi_subtype >= HAL_WME_AC_VI) && (queue_info->tqi_subtype <= HAL_WME_UPSD)) hal->ah_txq[queue].tqi_flags |= AR5K_TXQ_FLAG_POST_FR_BKOFF_DIS; return (AH_TRUE); } HAL_BOOL ar5k_ar5212_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_ar5212_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; AR5K_Q_DISABLE_BITS(hal->ah_txq_interrupts, queue); return (AH_FALSE); } HAL_BOOL ar5k_ar5212_reset_tx_queue(struct ath_hal *hal, u_int queue) { u_int32_t cw_min, cw_max, retry_lg, retry_sh; struct ieee80211_channel *channel = (struct ieee80211_channel*) &hal->ah_current_channel; HAL_TXQ_INFO *tq; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); tq = &hal->ah_txq[queue]; if (tq->tqi_type == HAL_TX_QUEUE_INACTIVE) return (AH_TRUE); /* * Set registers by channel mode */ cw_min = hal->ah_cw_min = AR5K_TUNE_CWMIN; cw_max = hal->ah_cw_max = AR5K_TUNE_CWMAX; hal->ah_aifs = AR5K_TUNE_AIFS; if (IEEE80211_IS_CHAN_XR(channel)) { cw_min = hal->ah_cw_min = AR5K_TUNE_CWMIN_XR; cw_max = hal->ah_cw_max = AR5K_TUNE_CWMAX_XR; hal->ah_aifs = AR5K_TUNE_AIFS_XR; } else if (IEEE80211_IS_CHAN_B(channel)) { cw_min = hal->ah_cw_min = AR5K_TUNE_CWMIN_11B; cw_max = hal->ah_cw_max = AR5K_TUNE_CWMAX_11B; hal->ah_aifs = AR5K_TUNE_AIFS_11B; } /* * 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_AR5212_DCU_RETRY_LMT_SH_RETRY ? AR5K_AR5212_DCU_RETRY_LMT_SH_RETRY : retry_lg; } else { retry_lg = AR5K_INIT_LG_RETRY; retry_sh = AR5K_INIT_SH_RETRY; } AR5K_REG_WRITE(AR5K_AR5212_DCU_RETRY_LMT(queue), AR5K_REG_SM(AR5K_INIT_SLG_RETRY, AR5K_AR5212_DCU_RETRY_LMT_SLG_RETRY) | AR5K_REG_SM(AR5K_INIT_SSH_RETRY, AR5K_AR5212_DCU_RETRY_LMT_SSH_RETRY) | AR5K_REG_SM(retry_lg, AR5K_AR5212_DCU_RETRY_LMT_LG_RETRY) | AR5K_REG_SM(retry_sh, AR5K_AR5212_DCU_RETRY_LMT_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); cw_max = tq->tqi_cw_max < 0 ? (cw_max >> (-tq->tqi_cw_max)) : ((cw_max << tq->tqi_cw_max) + (1 << tq->tqi_cw_max) - 1); AR5K_REG_WRITE(AR5K_AR5212_DCU_LCL_IFS(queue), AR5K_REG_SM(cw_min, AR5K_AR5212_DCU_LCL_IFS_CW_MIN) | AR5K_REG_SM(cw_max, AR5K_AR5212_DCU_LCL_IFS_CW_MAX) | AR5K_REG_SM(hal->ah_aifs + tq->tqi_aifs, AR5K_AR5212_DCU_LCL_IFS_AIFS)); /* * Set misc registers */ AR5K_REG_WRITE(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_DCU_EARLY); if (tq->tqi_cbr_period) { AR5K_REG_WRITE(AR5K_AR5212_QCU_CBRCFG(queue), AR5K_REG_SM(tq->tqi_cbr_period, AR5K_AR5212_QCU_CBRCFG_INTVAL) | AR5K_REG_SM(tq->tqi_cbr_overflow_limit, AR5K_AR5212_QCU_CBRCFG_ORN_THRES)); AR5K_REG_ENABLE_BITS(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_FRSHED_CBR); if (tq->tqi_cbr_overflow_limit) AR5K_REG_ENABLE_BITS(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_CBR_THRES_ENABLE); } if (tq->tqi_ready_time) { AR5K_REG_WRITE(AR5K_AR5212_QCU_RDYTIMECFG(queue), AR5K_REG_SM(tq->tqi_ready_time, AR5K_AR5212_QCU_RDYTIMECFG_INTVAL) | AR5K_AR5212_QCU_RDYTIMECFG_ENABLE); } if (tq->tqi_burst_time) { AR5K_REG_WRITE(AR5K_AR5212_DCU_CHAN_TIME(queue), AR5K_REG_SM(tq->tqi_burst_time, AR5K_AR5212_DCU_CHAN_TIME_DUR) | AR5K_AR5212_DCU_CHAN_TIME_ENABLE); if (tq->tqi_flags & AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE) { AR5K_REG_ENABLE_BITS(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_TXE); } } if (tq->tqi_flags & AR5K_TXQ_FLAG_BACKOFF_DISABLE) { AR5K_REG_WRITE(AR5K_AR5212_DCU_MISC(queue), AR5K_AR5212_DCU_MISC_POST_FR_BKOFF_DIS); } if (tq->tqi_flags & AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) { AR5K_REG_WRITE(AR5K_AR5212_DCU_MISC(queue), AR5K_AR5212_DCU_MISC_BACKOFF_FRAG); } /* * Set registers by queue type */ switch (tq->tqi_type) { case HAL_TX_QUEUE_BEACON: AR5K_REG_ENABLE_BITS(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_FRSHED_DBA_GT | AR5K_AR5212_QCU_MISC_CBREXP_BCN | AR5K_AR5212_QCU_MISC_BCN_ENABLE); AR5K_REG_ENABLE_BITS(AR5K_AR5212_DCU_MISC(queue), (AR5K_AR5212_DCU_MISC_ARBLOCK_CTL_GLOBAL << AR5K_AR5212_DCU_MISC_ARBLOCK_CTL_GLOBAL) | AR5K_AR5212_DCU_MISC_POST_FR_BKOFF_DIS | AR5K_AR5212_DCU_MISC_BCN_ENABLE); AR5K_REG_WRITE(AR5K_AR5212_QCU_RDYTIMECFG(queue), ((AR5K_TUNE_BEACON_INTERVAL - (AR5K_TUNE_SW_BEACON_RESP - AR5K_TUNE_DMA_BEACON_RESP) - AR5K_TUNE_ADDITIONAL_SWBA_BACKOFF) * 1024) | AR5K_AR5212_QCU_RDYTIMECFG_ENABLE); break; case HAL_TX_QUEUE_CAB: AR5K_REG_ENABLE_BITS(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_FRSHED_DBA_GT | AR5K_AR5212_QCU_MISC_CBREXP | AR5K_AR5212_QCU_MISC_CBREXP_BCN); AR5K_REG_ENABLE_BITS(AR5K_AR5212_DCU_MISC(queue), (AR5K_AR5212_DCU_MISC_ARBLOCK_CTL_GLOBAL << AR5K_AR5212_DCU_MISC_ARBLOCK_CTL_GLOBAL)); break; case HAL_TX_QUEUE_PSPOLL: AR5K_REG_ENABLE_BITS(AR5K_AR5212_QCU_MISC(queue), AR5K_AR5212_QCU_MISC_CBREXP); break; case HAL_TX_QUEUE_DATA: default: break; } /* * Enable tx queue in the secondary interrupt mask registers */ AR5K_REG_WRITE(AR5K_AR5212_SIMR0, AR5K_REG_SM(hal->ah_txq_interrupts, AR5K_AR5212_SIMR0_QCU_TXOK) | AR5K_REG_SM(hal->ah_txq_interrupts, AR5K_AR5212_SIMR0_QCU_TXDESC)); AR5K_REG_WRITE(AR5K_AR5212_SIMR1, AR5K_REG_SM(hal->ah_txq_interrupts, AR5K_AR5212_SIMR1_QCU_TXERR)); AR5K_REG_WRITE(AR5K_AR5212_SIMR2, AR5K_REG_SM(hal->ah_txq_interrupts, AR5K_AR5212_SIMR2_QCU_TXURN)); return (AH_TRUE); } u_int32_t ar5k_ar5212_get_tx_buf(struct ath_hal *hal, u_int queue) { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* * Get the transmit queue descriptor pointer from the selected queue */ return (AR5K_REG_READ(AR5K_AR5212_QCU_TXDP(queue))); } HAL_BOOL ar5k_ar5212_put_tx_buf(struct ath_hal *hal, u_int queue, u_int32_t phys_addr) { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* * Set the transmit queue descriptor pointer for the selected queue * (this won't work if the queue is still active) */ if (AR5K_REG_READ_Q(AR5K_AR5212_QCU_TXE, queue)) return (AH_FALSE); AR5K_REG_WRITE(AR5K_AR5212_QCU_TXDP(queue), phys_addr); return (AH_TRUE); } u_int32_t ar5k_ar5212_num_tx_pending(struct ath_hal *hal, u_int queue) { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); return (AR5K_AR5212_QCU_STS(queue) & AR5K_AR5212_QCU_STS_FRMPENDCNT); } HAL_BOOL ar5k_ar5212_tx_start(struct ath_hal *hal, u_int queue) { AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* Return if queue is disabled */ if (AR5K_REG_READ_Q(AR5K_AR5212_QCU_TXD, queue)) return (AH_FALSE); /* Start queue */ AR5K_REG_WRITE_Q(AR5K_AR5212_QCU_TXE, queue); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_stop_tx_dma(struct ath_hal *hal, u_int queue) { int i = 100, pending; AR5K_ASSERT_ENTRY(queue, hal->ah_capabilities.cap_queues.q_tx_num); /* * Schedule TX disable and wait until queue is empty */ AR5K_REG_WRITE_Q(AR5K_AR5212_QCU_TXD, queue); do { pending = AR5K_REG_READ(AR5K_AR5212_QCU_STS(queue)) & AR5K_AR5212_QCU_STS_FRMPENDCNT; delay(100); } while (--i && pending); /* Clear register */ AR5K_REG_WRITE(AR5K_AR5212_QCU_TXD, 0); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_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) { struct ar5k_ar5212_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5212_tx_desc*)&desc->ds_ctl0; /* * Validate input */ if (tx_tries0 == 0) return (AH_FALSE); if ((tx_desc->tx_control_0 = (packet_length & AR5K_AR5212_DESC_TX_CTL0_FRAME_LEN)) != packet_length) return (AH_FALSE); tx_desc->tx_control_0 |= AR5K_REG_SM(tx_power, AR5K_AR5212_DESC_TX_CTL0_XMIT_POWER) | AR5K_REG_SM(antenna_mode, AR5K_AR5212_DESC_TX_CTL0_ANT_MODE_XMIT); tx_desc->tx_control_1 = AR5K_REG_SM(type, AR5K_AR5212_DESC_TX_CTL1_FRAME_TYPE); tx_desc->tx_control_2 = AR5K_REG_SM(tx_tries0, AR5K_AR5212_DESC_TX_CTL2_XMIT_TRIES0); tx_desc->tx_control_3 = tx_rate0 & AR5K_AR5212_DESC_TX_CTL3_XMIT_RATE0; #define _TX_FLAGS(_c, _flag) \ if (flags & HAL_TXDESC_##_flag) \ tx_desc->tx_control_##_c |= \ AR5K_AR5212_DESC_TX_CTL##_c##_##_flag _TX_FLAGS(0, CLRDMASK); _TX_FLAGS(0, VEOL); _TX_FLAGS(0, INTREQ); _TX_FLAGS(0, RTSENA); _TX_FLAGS(0, CTSENA); _TX_FLAGS(1, NOACK); #undef _TX_FLAGS /* * WEP crap */ if (key_index != HAL_TXKEYIX_INVALID) { tx_desc->tx_control_0 |= AR5K_AR5212_DESC_TX_CTL0_ENCRYPT_KEY_VALID; tx_desc->tx_control_1 |= AR5K_REG_SM(key_index, AR5K_AR5212_DESC_TX_CTL1_ENCRYPT_KEY_INDEX); } /* * RTS/CTS */ if (flags & (HAL_TXDESC_RTSENA | HAL_TXDESC_CTSENA)) { if ((flags & HAL_TXDESC_RTSENA) && (flags & HAL_TXDESC_CTSENA)) return (AH_FALSE); tx_desc->tx_control_2 |= rtscts_duration & AR5K_AR5212_DESC_TX_CTL2_RTS_DURATION; tx_desc->tx_control_3 |= AR5K_REG_SM(rtscts_rate, AR5K_AR5212_DESC_TX_CTL3_RTS_CTS_RATE); } return (AH_TRUE); } HAL_BOOL ar5k_ar5212_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_ar5212_tx_desc *tx_desc; struct ar5k_ar5212_tx_status *tx_status; tx_desc = (struct ar5k_ar5212_tx_desc*)&desc->ds_ctl0; tx_status = (struct ar5k_ar5212_tx_status*)&desc->ds_hw[2]; /* Clear status descriptor */ bzero(tx_status, sizeof(struct ar5k_ar5212_tx_status)); /* Validate segment length and initialize the descriptor */ if (segment_length & ~AR5K_AR5212_DESC_TX_CTL1_BUF_LEN) return (AH_FALSE); tx_desc->tx_control_1 = #if 0 (tx_desc->tx_control_1 & ~AR5K_AR5212_DESC_TX_CTL1_BUF_LEN) | #endif segment_length; if (first_segment != AH_TRUE) tx_desc->tx_control_0 &= ~AR5K_AR5212_DESC_TX_CTL0_FRAME_LEN; if (last_segment != AH_TRUE) tx_desc->tx_control_1 |= AR5K_AR5212_DESC_TX_CTL1_MORE; return (AH_TRUE); } HAL_BOOL ar5k_ar5212_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) { struct ar5k_ar5212_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5212_tx_desc*)&desc->ds_ctl0; #define _XTX_TRIES(_n) \ if (tx_tries##_n) { \ tx_desc->tx_control_2 |= \ AR5K_REG_SM(tx_tries##_n, \ AR5K_AR5212_DESC_TX_CTL2_XMIT_TRIES##_n); \ tx_desc->tx_control_3 |= \ AR5K_REG_SM(tx_rate##_n, \ AR5K_AR5212_DESC_TX_CTL3_XMIT_RATE##_n); \ } _XTX_TRIES(1); _XTX_TRIES(2); _XTX_TRIES(3); #undef _XTX_TRIES return (AH_TRUE); } HAL_STATUS ar5k_ar5212_proc_tx_desc(struct ath_hal *hal, struct ath_desc *desc) { struct ar5k_ar5212_tx_status *tx_status; struct ar5k_ar5212_tx_desc *tx_desc; tx_desc = (struct ar5k_ar5212_tx_desc*)&desc->ds_ctl0; tx_status = (struct ar5k_ar5212_tx_status*)&desc->ds_hw[2]; /* No frame has been send or error */ if ((tx_status->tx_status_1 & AR5K_AR5212_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_AR5212_DESC_TX_STATUS0_SEND_TIMESTAMP); desc->ds_us.tx.ts_shortretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_AR5212_DESC_TX_STATUS0_RTS_FAIL_COUNT); desc->ds_us.tx.ts_longretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_AR5212_DESC_TX_STATUS0_DATA_FAIL_COUNT); desc->ds_us.tx.ts_seqnum = AR5K_REG_MS(tx_status->tx_status_1, AR5K_AR5212_DESC_TX_STATUS1_SEQ_NUM); desc->ds_us.tx.ts_rssi = AR5K_REG_MS(tx_status->tx_status_1, AR5K_AR5212_DESC_TX_STATUS1_ACK_SIG_STRENGTH); desc->ds_us.tx.ts_antenna = (tx_status->tx_status_1 & AR5K_AR5212_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1; desc->ds_us.tx.ts_status = 0; switch (AR5K_REG_MS(tx_status->tx_status_1, AR5K_AR5212_DESC_TX_STATUS1_FINAL_TS_INDEX)) { case 0: desc->ds_us.tx.ts_rate = tx_desc->tx_control_3 & AR5K_AR5212_DESC_TX_CTL3_XMIT_RATE0; break; case 1: desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_3, AR5K_AR5212_DESC_TX_CTL3_XMIT_RATE1); desc->ds_us.tx.ts_longretry += AR5K_REG_MS(tx_desc->tx_control_2, AR5K_AR5212_DESC_TX_CTL2_XMIT_TRIES1); break; case 2: desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_3, AR5K_AR5212_DESC_TX_CTL3_XMIT_RATE2); desc->ds_us.tx.ts_longretry += AR5K_REG_MS(tx_desc->tx_control_2, AR5K_AR5212_DESC_TX_CTL2_XMIT_TRIES2); break; case 3: desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_3, AR5K_AR5212_DESC_TX_CTL3_XMIT_RATE3); desc->ds_us.tx.ts_longretry += AR5K_REG_MS(tx_desc->tx_control_2, AR5K_AR5212_DESC_TX_CTL2_XMIT_TRIES3); break; } if ((tx_status->tx_status_0 & AR5K_AR5212_DESC_TX_STATUS0_FRAME_XMIT_OK) == 0) { if (tx_status->tx_status_0 & AR5K_AR5212_DESC_TX_STATUS0_EXCESSIVE_RETRIES) desc->ds_us.tx.ts_status |= HAL_TXERR_XRETRY; if (tx_status->tx_status_0 & AR5K_AR5212_DESC_TX_STATUS0_FIFO_UNDERRUN) desc->ds_us.tx.ts_status |= HAL_TXERR_FIFO; if (tx_status->tx_status_0 & AR5K_AR5212_DESC_TX_STATUS0_FILTERED) desc->ds_us.tx.ts_status |= HAL_TXERR_FILT; } return (HAL_OK); } HAL_BOOL ar5k_ar5212_has_veol(struct ath_hal *hal) { return (AH_TRUE); } /* * Receive functions */ u_int32_t ar5k_ar5212_get_rx_buf(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5212_RXDP)); } void ar5k_ar5212_put_rx_buf(struct ath_hal *hal, u_int32_t phys_addr) { AR5K_REG_WRITE(AR5K_AR5212_RXDP, phys_addr); } void ar5k_ar5212_start_rx(struct ath_hal *hal) { AR5K_REG_WRITE(AR5K_AR5212_CR, AR5K_AR5212_CR_RXE); } HAL_BOOL ar5k_ar5212_stop_rx_dma(struct ath_hal *hal) { int i; AR5K_REG_WRITE(AR5K_AR5212_CR, AR5K_AR5212_CR_RXD); /* * It may take some time to disable the DMA receive unit */ for (i = 2000; i > 0 && (AR5K_REG_READ(AR5K_AR5212_CR) & AR5K_AR5212_CR_RXE) != 0; i--) AR5K_DELAY(10); return (i > 0 ? AH_TRUE : AH_FALSE); } void ar5k_ar5212_start_rx_pcu(struct ath_hal *hal) { AR5K_REG_DISABLE_BITS(AR5K_AR5212_DIAG_SW, AR5K_AR5212_DIAG_SW_DIS_RX); } void ar5k_ar5212_stop_pcu_recv(struct ath_hal *hal) { AR5K_REG_ENABLE_BITS(AR5K_AR5212_DIAG_SW, AR5K_AR5212_DIAG_SW_DIS_RX); } void ar5k_ar5212_set_mcast_filter(struct ath_hal *hal, u_int32_t filter0, u_int32_t filter1) { /* Set the multicat filter */ AR5K_REG_WRITE(AR5K_AR5212_MCAST_FIL0, filter0); AR5K_REG_WRITE(AR5K_AR5212_MCAST_FIL1, filter1); } HAL_BOOL ar5k_ar5212_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_AR5212_MCAST_FIL1, (1 << (index - 32))); } else { AR5K_REG_ENABLE_BITS(AR5K_AR5212_MCAST_FIL0, (1 << index)); } return (AH_TRUE); } HAL_BOOL ar5k_ar5212_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_AR5212_MCAST_FIL1, (1 << (index - 32))); } else { AR5K_REG_DISABLE_BITS(AR5K_AR5212_MCAST_FIL0, (1 << index)); } return (AH_TRUE); } u_int32_t ar5k_ar5212_get_rx_filter(struct ath_hal *hal) { u_int32_t data, filter = 0; filter = AR5K_REG_READ(AR5K_AR5212_RX_FILTER); data = AR5K_REG_READ(AR5K_AR5212_PHY_ERR_FIL); if (data & AR5K_AR5212_PHY_ERR_FIL_RADAR) filter |= HAL_RX_FILTER_PHYRADAR; if (data & (AR5K_AR5212_PHY_ERR_FIL_OFDM | AR5K_AR5212_PHY_ERR_FIL_CCK)) filter |= HAL_RX_FILTER_PHYERR; return (filter); } void ar5k_ar5212_set_rx_filter(struct ath_hal *hal, u_int32_t filter) { u_int32_t data = 0; if (filter & HAL_RX_FILTER_PHYRADAR) data |= AR5K_AR5212_PHY_ERR_FIL_RADAR; if (filter & HAL_RX_FILTER_PHYERR) data |= AR5K_AR5212_PHY_ERR_FIL_OFDM | AR5K_AR5212_PHY_ERR_FIL_CCK; if (data) { AR5K_REG_ENABLE_BITS(AR5K_AR5212_RXCFG, AR5K_AR5212_RXCFG_ZLFDMA); } else { AR5K_REG_DISABLE_BITS(AR5K_AR5212_RXCFG, AR5K_AR5212_RXCFG_ZLFDMA); } AR5K_REG_WRITE(AR5K_AR5212_RX_FILTER, filter & 0xff); AR5K_REG_WRITE(AR5K_AR5212_PHY_ERR_FIL, data); } HAL_BOOL ar5k_ar5212_setup_rx_desc(struct ath_hal *hal, struct ath_desc *desc, u_int32_t size, u_int flags) { struct ar5k_ar5212_rx_desc *rx_desc; rx_desc = (struct ar5k_ar5212_rx_desc*)&desc->ds_ctl0; if ((rx_desc->rx_control_1 = (size & AR5K_AR5212_DESC_RX_CTL1_BUF_LEN)) != size) return (AH_FALSE); if (flags & HAL_RXDESC_INTREQ) rx_desc->rx_control_1 |= AR5K_AR5212_DESC_RX_CTL1_INTREQ; return (AH_TRUE); } HAL_STATUS ar5k_ar5212_proc_rx_desc(struct ath_hal *hal, struct ath_desc *desc, u_int32_t phys_addr, struct ath_desc *next) { struct ar5k_ar5212_rx_status *rx_status; struct ar5k_ar5212_rx_error *rx_err; rx_status = (struct ar5k_ar5212_rx_status*)&desc->ds_hw[0]; /* Overlay on error */ rx_err = (struct ar5k_ar5212_rx_error*)&desc->ds_hw[0]; /* No frame received / not ready */ if ((rx_status->rx_status_1 & AR5K_AR5212_DESC_RX_STATUS1_DONE) == 0) return (HAL_EINPROGRESS); /* * Frame receive status */ desc->ds_us.rx.rs_datalen = rx_status->rx_status_0 & AR5K_AR5212_DESC_RX_STATUS0_DATA_LEN; desc->ds_us.rx.rs_rssi = AR5K_REG_MS(rx_status->rx_status_0, AR5K_AR5212_DESC_RX_STATUS0_RECEIVE_SIGNAL); desc->ds_us.rx.rs_rate = AR5K_REG_MS(rx_status->rx_status_0, AR5K_AR5212_DESC_RX_STATUS0_RECEIVE_RATE); desc->ds_us.rx.rs_antenna = rx_status->rx_status_0 & AR5K_AR5212_DESC_RX_STATUS0_RECEIVE_ANTENNA; desc->ds_us.rx.rs_more = rx_status->rx_status_0 & AR5K_AR5212_DESC_RX_STATUS0_MORE; desc->ds_us.rx.rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, AR5K_AR5212_DESC_RX_STATUS1_RECEIVE_TIMESTAMP); desc->ds_us.rx.rs_status = 0; /* * Key table status */ if (rx_status->rx_status_1 & AR5K_AR5212_DESC_RX_STATUS1_KEY_INDEX_VALID) { desc->ds_us.rx.rs_keyix = AR5K_REG_MS(rx_status->rx_status_1, AR5K_AR5212_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_AR5212_DESC_RX_STATUS1_FRAME_RECEIVE_OK) == 0) { if (rx_status->rx_status_1 & AR5K_AR5212_DESC_RX_STATUS1_CRC_ERROR) desc->ds_us.rx.rs_status |= HAL_RXERR_CRC; if (rx_status->rx_status_1 & AR5K_AR5212_DESC_RX_STATUS1_PHY_ERROR) { desc->ds_us.rx.rs_status |= HAL_RXERR_PHY; desc->ds_us.rx.rs_phyerr = AR5K_REG_MS(rx_err->rx_error_1, AR5K_AR5212_DESC_RX_ERROR1_PHY_ERROR_CODE); } if (rx_status->rx_status_1 & AR5K_AR5212_DESC_RX_STATUS1_DECRYPT_CRC_ERROR) desc->ds_us.rx.rs_status |= HAL_RXERR_DECRYPT; if (rx_status->rx_status_1 & AR5K_AR5212_DESC_RX_STATUS1_MIC_ERROR) desc->ds_us.rx.rs_status |= HAL_RXERR_MIC; } return (HAL_OK); } void ar5k_ar5212_set_rx_signal(struct ath_hal *hal) { /* Signal state monitoring is not yet supported */ } /* * Misc functions */ void ar5k_ar5212_dump_state(struct ath_hal *hal) { #ifdef AR5K_DEBUG #define AR5K_PRINT_REGISTER(_x) \ printf("(%s: %08x) ", #_x, AR5K_REG_READ(AR5K_AR5212_##_x)); printf("MAC registers:\n"); AR5K_PRINT_REGISTER(CR); AR5K_PRINT_REGISTER(CFG); AR5K_PRINT_REGISTER(IER); AR5K_PRINT_REGISTER(TXCFG); AR5K_PRINT_REGISTER(RXCFG); AR5K_PRINT_REGISTER(MIBC); AR5K_PRINT_REGISTER(TOPS); AR5K_PRINT_REGISTER(RXNOFRM); AR5K_PRINT_REGISTER(RPGTO); AR5K_PRINT_REGISTER(RFCNT); AR5K_PRINT_REGISTER(MISC); AR5K_PRINT_REGISTER(PISR); AR5K_PRINT_REGISTER(SISR0); AR5K_PRINT_REGISTER(SISR1); AR5K_PRINT_REGISTER(SISR3); AR5K_PRINT_REGISTER(SISR4); AR5K_PRINT_REGISTER(DCM_ADDR); AR5K_PRINT_REGISTER(DCM_DATA); AR5K_PRINT_REGISTER(DCCFG); AR5K_PRINT_REGISTER(CCFG); AR5K_PRINT_REGISTER(CCFG_CUP); AR5K_PRINT_REGISTER(CPC0); AR5K_PRINT_REGISTER(CPC1); AR5K_PRINT_REGISTER(CPC2); AR5K_PRINT_REGISTER(CPCORN); AR5K_PRINT_REGISTER(QCU_TXE); AR5K_PRINT_REGISTER(QCU_TXD); AR5K_PRINT_REGISTER(DCU_GBL_IFS_SIFS); AR5K_PRINT_REGISTER(DCU_GBL_IFS_SLOT); AR5K_PRINT_REGISTER(DCU_FP); AR5K_PRINT_REGISTER(DCU_TXP); AR5K_PRINT_REGISTER(DCU_TX_FILTER); AR5K_PRINT_REGISTER(RC); AR5K_PRINT_REGISTER(SCR); AR5K_PRINT_REGISTER(INTPEND); AR5K_PRINT_REGISTER(PCICFG); AR5K_PRINT_REGISTER(GPIOCR); AR5K_PRINT_REGISTER(GPIODO); AR5K_PRINT_REGISTER(SREV); AR5K_PRINT_REGISTER(EEPROM_BASE); AR5K_PRINT_REGISTER(EEPROM_DATA); AR5K_PRINT_REGISTER(EEPROM_CMD); AR5K_PRINT_REGISTER(EEPROM_CFG); AR5K_PRINT_REGISTER(PCU_MIN); AR5K_PRINT_REGISTER(STA_ID0); AR5K_PRINT_REGISTER(STA_ID1); AR5K_PRINT_REGISTER(BSS_ID0); AR5K_PRINT_REGISTER(SLOT_TIME); AR5K_PRINT_REGISTER(TIME_OUT); AR5K_PRINT_REGISTER(RSSI_THR); AR5K_PRINT_REGISTER(BEACON); AR5K_PRINT_REGISTER(CFP_PERIOD); AR5K_PRINT_REGISTER(TIMER0); AR5K_PRINT_REGISTER(TIMER2); AR5K_PRINT_REGISTER(TIMER3); AR5K_PRINT_REGISTER(CFP_DUR); AR5K_PRINT_REGISTER(MCAST_FIL0); AR5K_PRINT_REGISTER(MCAST_FIL1); AR5K_PRINT_REGISTER(DIAG_SW); AR5K_PRINT_REGISTER(TSF_U32); AR5K_PRINT_REGISTER(ADDAC_TEST); AR5K_PRINT_REGISTER(DEFAULT_ANTENNA); AR5K_PRINT_REGISTER(LAST_TSTP); AR5K_PRINT_REGISTER(NAV); AR5K_PRINT_REGISTER(RTS_OK); AR5K_PRINT_REGISTER(ACK_FAIL); AR5K_PRINT_REGISTER(FCS_FAIL); AR5K_PRINT_REGISTER(BEACON_CNT); AR5K_PRINT_REGISTER(TSF_PARM); AR5K_PRINT_REGISTER(RATE_DUR_0); AR5K_PRINT_REGISTER(KEYTABLE_0); printf("\n"); printf("PHY registers:\n"); AR5K_PRINT_REGISTER(PHY_TURBO); AR5K_PRINT_REGISTER(PHY_AGC); AR5K_PRINT_REGISTER(PHY_TIMING_3); AR5K_PRINT_REGISTER(PHY_CHIP_ID); AR5K_PRINT_REGISTER(PHY_AGCCTL); AR5K_PRINT_REGISTER(PHY_NF); AR5K_PRINT_REGISTER(PHY_SCR); AR5K_PRINT_REGISTER(PHY_SLMT); AR5K_PRINT_REGISTER(PHY_SCAL); AR5K_PRINT_REGISTER(PHY_RX_DELAY); AR5K_PRINT_REGISTER(PHY_IQ); AR5K_PRINT_REGISTER(PHY_PAPD_PROBE); AR5K_PRINT_REGISTER(PHY_TXPOWER_RATE1); AR5K_PRINT_REGISTER(PHY_TXPOWER_RATE2); AR5K_PRINT_REGISTER(PHY_FC); AR5K_PRINT_REGISTER(PHY_RADAR); AR5K_PRINT_REGISTER(PHY_ANT_SWITCH_TABLE_0); AR5K_PRINT_REGISTER(PHY_ANT_SWITCH_TABLE_1); printf("\n"); #endif } HAL_BOOL ar5k_ar5212_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_ar5212_get_lladdr(struct ath_hal *hal, u_int8_t *mac) { bcopy(hal->ah_sta_id, mac, IEEE80211_ADDR_LEN); } HAL_BOOL ar5k_ar5212_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_AR5212_STA_ID0, low_id); AR5K_REG_WRITE(AR5K_AR5212_STA_ID1, high_id); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_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_ar5212_set_ledstate(struct ath_hal *hal, HAL_LED_STATE state) { u_int32_t led; AR5K_REG_DISABLE_BITS(AR5K_AR5212_PCICFG, AR5K_AR5212_PCICFG_LEDMODE | AR5K_AR5212_PCICFG_LED); /* * Some blinking values, define at your wish */ switch (state) { case IEEE80211_S_SCAN: case IEEE80211_S_AUTH: led = AR5K_AR5212_PCICFG_LEDMODE_PROP | AR5K_AR5212_PCICFG_LED_PEND; break; case IEEE80211_S_INIT: led = AR5K_AR5212_PCICFG_LEDMODE_PROP | AR5K_AR5212_PCICFG_LED_NONE; break; case IEEE80211_S_ASSOC: case IEEE80211_S_RUN: led = AR5K_AR5212_PCICFG_LEDMODE_PROP | AR5K_AR5212_PCICFG_LED_ASSOC; break; default: led = AR5K_AR5212_PCICFG_LEDMODE_PROM | AR5K_AR5212_PCICFG_LED_NONE; break; } AR5K_REG_ENABLE_BITS(AR5K_AR5212_PCICFG, led); } void ar5k_ar5212_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 simple BSSID mask */ AR5K_REG_WRITE(AR5K_AR5212_BSS_IDM0, 0xfffffff); AR5K_REG_WRITE(AR5K_AR5212_BSS_IDM1, 0xfffffff); /* * Set BSSID which triggers the "SME Join" operation */ low_id = AR5K_LOW_ID(bssid); high_id = AR5K_HIGH_ID(bssid); AR5K_REG_WRITE(AR5K_AR5212_BSS_ID0, low_id); AR5K_REG_WRITE(AR5K_AR5212_BSS_ID1, high_id | ((assoc_id & 0x3fff) << AR5K_AR5212_BSS_ID1_AID_S)); bcopy(bssid, &hal->ah_bssid, IEEE80211_ADDR_LEN); if (assoc_id == 0) { ar5k_ar5212_disable_pspoll(hal); return; } AR5K_REG_WRITE(AR5K_AR5212_BEACON, (AR5K_REG_READ(AR5K_AR5212_BEACON) & ~AR5K_AR5212_BEACON_TIM) | (((tim_offset ? tim_offset + 4 : 0) << AR5K_AR5212_BEACON_TIM_S) & AR5K_AR5212_BEACON_TIM)); ar5k_ar5212_enable_pspoll(hal, NULL, 0); } HAL_BOOL ar5k_ar5212_set_bssid_mask(struct ath_hal *hal, const u_int8_t* mask) { u_int32_t low_id, high_id; low_id = AR5K_LOW_ID(mask); high_id = 0x0000ffff & AR5K_HIGH_ID(mask); AR5K_REG_WRITE(AR5K_AR5212_BSS_IDM0, low_id); AR5K_REG_WRITE(AR5K_AR5212_BSS_IDM1, high_id); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_set_gpio_output(struct ath_hal *hal, u_int32_t gpio) { if (gpio > AR5K_AR5212_NUM_GPIO) return (AH_FALSE); AR5K_REG_WRITE(AR5K_AR5212_GPIOCR, (AR5K_REG_READ(AR5K_AR5212_GPIOCR) &~ AR5K_AR5212_GPIOCR_ALL(gpio)) | AR5K_AR5212_GPIOCR_ALL(gpio)); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_set_gpio_input(struct ath_hal *hal, u_int32_t gpio) { if (gpio > AR5K_AR5212_NUM_GPIO) return (AH_FALSE); AR5K_REG_WRITE(AR5K_AR5212_GPIOCR, (AR5K_REG_READ(AR5K_AR5212_GPIOCR) &~ AR5K_AR5212_GPIOCR_ALL(gpio)) | AR5K_AR5212_GPIOCR_NONE(gpio)); return (AH_TRUE); } u_int32_t ar5k_ar5212_get_gpio(struct ath_hal *hal, u_int32_t gpio) { if (gpio > AR5K_AR5212_NUM_GPIO) return (0xffffffff); /* GPIO input magic */ return (((AR5K_REG_READ(AR5K_AR5212_GPIODI) & AR5K_AR5212_GPIODI_M) >> gpio) & 0x1); } HAL_BOOL ar5k_ar5212_set_gpio(struct ath_hal *hal, u_int32_t gpio, u_int32_t val) { u_int32_t data; if (gpio > AR5K_AR5212_NUM_GPIO) return (0xffffffff); /* GPIO output magic */ data = AR5K_REG_READ(AR5K_AR5212_GPIODO); data &= ~(1 << gpio); data |= (val&1) << gpio; AR5K_REG_WRITE(AR5K_AR5212_GPIODO, data); return (AH_TRUE); } void ar5k_ar5212_set_gpio_intr(struct ath_hal *hal, u_int gpio, u_int32_t interrupt_level) { u_int32_t data; if (gpio > AR5K_AR5212_NUM_GPIO) return; /* * Set the GPIO interrupt */ data = (AR5K_REG_READ(AR5K_AR5212_GPIOCR) & ~(AR5K_AR5212_GPIOCR_INT_SEL(gpio) | AR5K_AR5212_GPIOCR_INT_SELH | AR5K_AR5212_GPIOCR_INT_ENA | AR5K_AR5212_GPIOCR_ALL(gpio))) | (AR5K_AR5212_GPIOCR_INT_SEL(gpio) | AR5K_AR5212_GPIOCR_INT_ENA); AR5K_REG_WRITE(AR5K_AR5212_GPIOCR, interrupt_level ? data : (data | AR5K_AR5212_GPIOCR_INT_SELH)); hal->ah_imr |= AR5K_AR5212_PIMR_GPIO; /* Enable GPIO interrupts */ AR5K_REG_ENABLE_BITS(AR5K_AR5212_PIMR, AR5K_AR5212_PIMR_GPIO); } u_int32_t ar5k_ar5212_get_tsf32(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5212_TSF_L32)); } u_int64_t ar5k_ar5212_get_tsf64(struct ath_hal *hal) { u_int64_t tsf = AR5K_REG_READ(AR5K_AR5212_TSF_U32); return (AR5K_REG_READ(AR5K_AR5212_TSF_L32) | (tsf << 32)); } void ar5k_ar5212_reset_tsf(struct ath_hal *hal) { AR5K_REG_ENABLE_BITS(AR5K_AR5212_BEACON, AR5K_AR5212_BEACON_RESET_TSF); } u_int16_t ar5k_ar5212_get_regdomain(struct ath_hal *hal) { return (ar5k_get_regdomain(hal)); } HAL_BOOL ar5k_ar5212_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_ar5212_eeprom_read(hal, AR5K_EEPROM_MAGIC, &magic) != 0) return (AH_FALSE); return (magic == AR5K_EEPROM_MAGIC_VALUE ? AH_TRUE : AH_FALSE); } void ar5k_ar5212_update_mib_counters(struct ath_hal *hal, HAL_MIB_STATS *statistics) { /* Read-And-Clear */ statistics->ackrcv_bad += AR5K_REG_READ(AR5K_AR5212_ACK_FAIL); statistics->rts_bad += AR5K_REG_READ(AR5K_AR5212_RTS_FAIL); statistics->rts_good += AR5K_REG_READ(AR5K_AR5212_RTS_OK); statistics->fcs_bad += AR5K_REG_READ(AR5K_AR5212_FCS_FAIL); statistics->beacons += AR5K_REG_READ(AR5K_AR5212_BEACON_CNT); /* Reset profile count registers */ AR5K_REG_WRITE(AR5K_AR5212_PROFCNT_TX, 0); AR5K_REG_WRITE(AR5K_AR5212_PROFCNT_RX, 0); AR5K_REG_WRITE(AR5K_AR5212_PROFCNT_RXCLR, 0); AR5K_REG_WRITE(AR5K_AR5212_PROFCNT_CYCLE, 0); } HAL_RFGAIN ar5k_ar5212_get_rf_gain(struct ath_hal *hal) { u_int32_t data, type; if ((hal->ah_rf_banks == NULL) || (!hal->ah_gain.g_active)) return (HAL_RFGAIN_INACTIVE); if (hal->ah_rf_gain != HAL_RFGAIN_READ_REQUESTED) goto done; data = AR5K_REG_READ(AR5K_AR5212_PHY_PAPD_PROBE); if (!(data & AR5K_AR5212_PHY_PAPD_PROBE_TX_NEXT)) { hal->ah_gain.g_current = data >> AR5K_AR5212_PHY_PAPD_PROBE_GAINF_S; type = AR5K_REG_MS(data, AR5K_AR5212_PHY_PAPD_PROBE_TYPE); if (type == AR5K_AR5212_PHY_PAPD_PROBE_TYPE_CCK) hal->ah_gain.g_current += AR5K_GAIN_CCK_PROBE_CORR; if (hal->ah_radio >= AR5K_AR5112) { ar5k_rfregs_gainf_corr(hal); hal->ah_gain.g_current = hal->ah_gain.g_current >= hal->ah_gain.g_f_corr ? (hal->ah_gain.g_current - hal->ah_gain.g_f_corr) : 0; } if (ar5k_rfregs_gain_readback(hal) && AR5K_GAIN_CHECK_ADJUST(&hal->ah_gain) && ar5k_rfregs_gain_adjust(hal)) hal->ah_rf_gain = HAL_RFGAIN_NEED_CHANGE; } done: return (hal->ah_rf_gain); } HAL_BOOL ar5k_ar5212_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_AR5212_DCU_GBL_IFS_SLOT, slot_time); return (AH_TRUE); } u_int ar5k_ar5212_get_slot_time(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5212_DCU_GBL_IFS_SLOT) & 0xffff); } HAL_BOOL ar5k_ar5212_set_ack_timeout(struct ath_hal *hal, u_int timeout) { if (ar5k_clocktoh(AR5K_REG_MS(0xffffffff, AR5K_AR5212_TIME_OUT_ACK), hal->ah_turbo) <= timeout) return (AH_FALSE); AR5K_REG_WRITE_BITS(AR5K_AR5212_TIME_OUT, AR5K_AR5212_TIME_OUT_ACK, ar5k_htoclock(timeout, hal->ah_turbo)); return (AH_TRUE); } u_int ar5k_ar5212_get_ack_timeout(struct ath_hal *hal) { return (ar5k_clocktoh(AR5K_REG_MS(AR5K_REG_READ(AR5K_AR5212_TIME_OUT), AR5K_AR5212_TIME_OUT_ACK), hal->ah_turbo)); } HAL_BOOL ar5k_ar5212_set_cts_timeout(struct ath_hal *hal, u_int timeout) { if (ar5k_clocktoh(AR5K_REG_MS(0xffffffff, AR5K_AR5212_TIME_OUT_CTS), hal->ah_turbo) <= timeout) return (AH_FALSE); AR5K_REG_WRITE_BITS(AR5K_AR5212_TIME_OUT, AR5K_AR5212_TIME_OUT_CTS, ar5k_htoclock(timeout, hal->ah_turbo)); return (AH_TRUE); } u_int ar5k_ar5212_get_cts_timeout(struct ath_hal *hal) { return (ar5k_clocktoh(AR5K_REG_MS(AR5K_REG_READ(AR5K_AR5212_TIME_OUT), AR5K_AR5212_TIME_OUT_CTS), hal->ah_turbo)); } /* * Key table (WEP) functions */ HAL_BOOL ar5k_ar5212_is_cipher_supported(struct ath_hal *hal, HAL_CIPHER cipher) { /* * The AR5212 only supports WEP */ if (cipher == HAL_CIPHER_WEP) return (AH_TRUE); return (AH_FALSE); } u_int32_t ar5k_ar5212_get_keycache_size(struct ath_hal *hal) { return (AR5K_AR5212_KEYCACHE_SIZE); } HAL_BOOL ar5k_ar5212_reset_key(struct ath_hal *hal, u_int16_t entry) { int i; AR5K_ASSERT_ENTRY(entry, AR5K_AR5212_KEYTABLE_SIZE); for (i = 0; i < AR5K_AR5212_KEYCACHE_SIZE; i++) AR5K_REG_WRITE(AR5K_AR5212_KEYTABLE_OFF(entry, i), 0); /* Set NULL encryption */ AR5K_REG_WRITE(AR5K_AR5212_KEYTABLE_TYPE(entry), AR5K_AR5212_KEYTABLE_TYPE_NULL); return (AH_FALSE); } HAL_BOOL ar5k_ar5212_is_key_valid(struct ath_hal *hal, u_int16_t entry) { AR5K_ASSERT_ENTRY(entry, AR5K_AR5212_KEYTABLE_SIZE); /* * Check the validation flag at the end of the entry */ if (AR5K_REG_READ(AR5K_AR5212_KEYTABLE_MAC1(entry)) & AR5K_AR5212_KEYTABLE_VALID) return (AH_TRUE); return (AH_FALSE); } HAL_BOOL ar5k_ar5212_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_AR5212_KEYCACHE_SIZE - 2]; AR5K_ASSERT_ENTRY(entry, AR5K_AR5212_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_AR5212_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_AR5212_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_AR5212_KEYTABLE_TYPE_128; break; default: /* Unsupported key length (not WEP40/104/128) */ return (AH_FALSE); } for (i = 0; i < nitems(key_v); i++) AR5K_REG_WRITE(AR5K_AR5212_KEYTABLE_OFF(entry, i), key_v[i]); return (ar5k_ar5212_set_key_lladdr(hal, entry, mac)); } HAL_BOOL ar5k_ar5212_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_AR5212_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_AR5212_KEYTABLE_VALID; AR5K_REG_WRITE(AR5K_AR5212_KEYTABLE_MAC0(entry), low_id); AR5K_REG_WRITE(AR5K_AR5212_KEYTABLE_MAC1(entry), high_id); return (AH_TRUE); } HAL_BOOL ar5k_ar5212_softcrypto(struct ath_hal *hal, HAL_BOOL enable) { u_int32_t bits; int i; bits = AR5K_AR5212_DIAG_SW_DIS_ENC | AR5K_AR5212_DIAG_SW_DIS_DEC; if (enable == AH_TRUE) { /* Disable the hardware crypto engine */ AR5K_REG_ENABLE_BITS(AR5K_AR5212_DIAG_SW, bits); } else { /* Enable the hardware crypto engine */ AR5K_REG_DISABLE_BITS(AR5K_AR5212_DIAG_SW, bits); } /* Reset the key cache */ for (i = 0; i < AR5K_AR5212_KEYTABLE_SIZE; i++) ar5k_ar5212_reset_key(hal, i); return (AH_TRUE); } /* * warm reset MAC and PHY */ HAL_BOOL ar5k_ar5212_warm_reset(struct ath_hal *hal) { u_int32_t flags; flags = AR5K_AR5212_RC_PCU | AR5K_AR5212_RC_BB; if (hal->ah_pci_express == AH_FALSE) flags |= AR5K_AR5212_RC_PCI; /* reset chipset and PCI device */ if (ar5k_ar5212_nic_reset(hal, flags) == AH_FALSE) return (AH_FALSE); /* wakeup */ if (ar5k_ar5212_set_power(hal, HAL_PM_AWAKE, AH_TRUE, 0) == AH_FALSE) return (AH_FALSE); /* reset chipset */ if (ar5k_ar5212_nic_reset(hal, 0) == AH_FALSE) return (AH_FALSE); return (AH_TRUE); } /* * Power management functions */ HAL_BOOL ar5k_ar5212_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_AR5212_STA_ID1); switch (mode) { case HAL_PM_AUTO: staid &= ~AR5K_AR5212_STA_ID1_DEFAULT_ANTENNA; /* FALLTHROUGH */ case HAL_PM_NETWORK_SLEEP: if (set_chip == AH_TRUE) { AR5K_REG_WRITE(AR5K_AR5212_SCR, AR5K_AR5212_SCR_SLE | sleep_duration); } staid |= AR5K_AR5212_STA_ID1_PWR_SV; break; case HAL_PM_FULL_SLEEP: if (set_chip == AH_TRUE) if (ar5k_ar5212_warm_reset(hal) == AH_FALSE) return (AH_FALSE); staid |= AR5K_AR5212_STA_ID1_PWR_SV; break; case HAL_PM_AWAKE: if (set_chip == AH_FALSE) goto commit; AR5K_REG_WRITE(AR5K_AR5212_SCR, AR5K_AR5212_SCR_SLE_WAKE); for (i = 5000; i > 0; i--) { /* Check if the AR5212 did wake up */ if ((AR5K_REG_READ(AR5K_AR5212_PCICFG) & AR5K_AR5212_PCICFG_SPWR_DN) == 0) break; /* Wait a bit and retry */ AR5K_DELAY(200); AR5K_REG_WRITE(AR5K_AR5212_SCR, AR5K_AR5212_SCR_SLE_WAKE); } /* Fail if the AR5212 didn't wake up */ if (i <= 0) return (AH_FALSE); staid &= ~AR5K_AR5212_STA_ID1_PWR_SV; break; default: return (AH_FALSE); } commit: hal->ah_power_mode = mode; AR5K_REG_WRITE(AR5K_AR5212_STA_ID1, staid); return (AH_TRUE); } HAL_POWER_MODE ar5k_ar5212_get_power_mode(struct ath_hal *hal) { return (hal->ah_power_mode); } HAL_BOOL ar5k_ar5212_query_pspoll_support(struct ath_hal *hal) { /* nope */ return (AH_FALSE); } HAL_BOOL ar5k_ar5212_init_pspoll(struct ath_hal *hal) { /* * Not used on the AR5212 */ return (AH_FALSE); } HAL_BOOL ar5k_ar5212_enable_pspoll(struct ath_hal *hal, u_int8_t *bssid, u_int16_t assoc_id) { return (AH_FALSE); } HAL_BOOL ar5k_ar5212_disable_pspoll(struct ath_hal *hal) { return (AH_FALSE); } /* * Beacon functions */ void ar5k_ar5212_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 = 0x0000ffff; timer2 = 0x0007ffff; 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 ? hal->ah_atim_window : 1); /* * Enable all timers and set the beacon register * (next beacon, DMA beacon, software beacon, ATIM window time) */ AR5K_REG_WRITE(AR5K_AR5212_TIMER0, next_beacon); AR5K_REG_WRITE(AR5K_AR5212_TIMER1, timer1); AR5K_REG_WRITE(AR5K_AR5212_TIMER2, timer2); AR5K_REG_WRITE(AR5K_AR5212_TIMER3, timer3); AR5K_REG_WRITE(AR5K_AR5212_BEACON, interval & (AR5K_AR5212_BEACON_PERIOD | AR5K_AR5212_BEACON_RESET_TSF | AR5K_AR5212_BEACON_ENABLE)); } void ar5k_ar5212_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, dtim, interval, next_beacon; /* Return on an invalid beacon state */ if (state->bs_interval < 1) return; interval = state->bs_intval; dtim = state->bs_dtimperiod; /* * 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_ENABLE_BITS(AR5K_AR5212_STA_ID1, AR5K_AR5212_STA_ID1_PCF); AR5K_REG_WRITE(AR5K_AR5212_CFP_PERIOD, cfp_period); AR5K_REG_WRITE(AR5K_AR5212_CFP_DUR, state->bs_cfp_max_duration); AR5K_REG_WRITE(AR5K_AR5212_TIMER2, (tsf + (next_cfp == 0 ? cfp_period : next_cfp)) << 3); } else { /* Disable PCF mode */ AR5K_REG_DISABLE_BITS(AR5K_AR5212_STA_ID1, AR5K_AR5212_STA_ID1_PCF); } /* * Enable the beacon timer register */ AR5K_REG_WRITE(AR5K_AR5212_TIMER0, state->bs_next_beacon); /* * Start the beacon timers */ AR5K_REG_WRITE(AR5K_AR5212_BEACON, (AR5K_REG_READ(AR5K_AR5212_BEACON) &~ (AR5K_AR5212_BEACON_PERIOD | AR5K_AR5212_BEACON_TIM)) | AR5K_REG_SM(state->bs_tim_offset ? state->bs_tim_offset + 4 : 0, AR5K_AR5212_BEACON_TIM) | AR5K_REG_SM(state->bs_interval, AR5K_AR5212_BEACON_PERIOD)); /* * Write new beacon miss threshold, if it appears to be valid */ if ((AR5K_AR5212_RSSI_THR_BMISS >> AR5K_AR5212_RSSI_THR_BMISS_S) < state->bs_bmiss_threshold) return; AR5K_REG_WRITE_BITS(AR5K_AR5212_RSSI_THR_M, AR5K_AR5212_RSSI_THR_BMISS, state->bs_bmiss_threshold); /* * Set sleep registers */ if ((state->bs_sleepduration > state->bs_interval) && (roundup(state->bs_sleepduration, interval) == state->bs_sleepduration)) interval = state->bs_sleepduration; if (state->bs_sleepduration > dtim && (dtim == 0 || roundup(state->bs_sleepduration, dtim) == state->bs_sleepduration)) dtim = state->bs_sleepduration; if (interval > dtim) return; next_beacon = interval == dtim ? state->bs_nextdtim: state->bs_nexttbtt; AR5K_REG_WRITE(AR5K_AR5212_SLEEP0, AR5K_REG_SM((state->bs_nextdtim - 3) << 3, AR5K_AR5212_SLEEP0_NEXT_DTIM) | AR5K_REG_SM(10, AR5K_AR5212_SLEEP0_CABTO) | AR5K_AR5212_SLEEP0_ENH_SLEEP_EN | AR5K_AR5212_SLEEP0_ASSUME_DTIM); AR5K_REG_WRITE(AR5K_AR5212_SLEEP1, AR5K_REG_SM((next_beacon - 3) << 3, AR5K_AR5212_SLEEP1_NEXT_TIM) | AR5K_REG_SM(10, AR5K_AR5212_SLEEP1_BEACON_TO)); AR5K_REG_WRITE(AR5K_AR5212_SLEEP2, AR5K_REG_SM(interval, AR5K_AR5212_SLEEP2_TIM_PER) | AR5K_REG_SM(dtim, AR5K_AR5212_SLEEP2_DTIM_PER)); } void ar5k_ar5212_reset_beacon(struct ath_hal *hal) { /* * Disable beacon timer */ AR5K_REG_WRITE(AR5K_AR5212_TIMER0, 0); /* * Disable some beacon register values */ AR5K_REG_DISABLE_BITS(AR5K_AR5212_STA_ID1, AR5K_AR5212_STA_ID1_DEFAULT_ANTENNA | AR5K_AR5212_STA_ID1_PCF); AR5K_REG_WRITE(AR5K_AR5212_BEACON, AR5K_AR5212_BEACON_PERIOD); } HAL_BOOL ar5k_ar5212_wait_for_beacon(struct ath_hal *hal, bus_addr_t phys_addr) { HAL_BOOL ret; /* * Wait for beaconn queue to be done */ ret = ar5k_register_timeout(hal, AR5K_AR5212_QCU_STS(HAL_TX_QUEUE_ID_BEACON), AR5K_AR5212_QCU_STS_FRMPENDCNT, 0, AH_FALSE); if (AR5K_REG_READ_Q(AR5K_AR5212_QCU_TXE, HAL_TX_QUEUE_ID_BEACON)) return (AH_FALSE); return (ret); } /* * Interrupt handling */ HAL_BOOL ar5k_ar5212_is_intr_pending(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5212_INTPEND) == 0 ? AH_FALSE : AH_TRUE); } HAL_BOOL ar5k_ar5212_get_isr(struct ath_hal *hal, u_int32_t *interrupt_mask) { u_int32_t data; /* * Read interrupt status from the Read-And-Clear shadow register */ data = AR5K_REG_READ(AR5K_AR5212_RAC_PISR); /* * Get abstract interrupt mask (HAL-compatible) */ *interrupt_mask = (data & HAL_INT_COMMON) & hal->ah_imr; if (data == HAL_INT_NOCARD) return (AH_FALSE); if (data & (AR5K_AR5212_PISR_RXOK | AR5K_AR5212_PISR_RXERR)) *interrupt_mask |= HAL_INT_RX; if (data & (AR5K_AR5212_PISR_TXOK | AR5K_AR5212_PISR_TXERR)) *interrupt_mask |= HAL_INT_TX; if (data & (AR5K_AR5212_PISR_HIUERR)) *interrupt_mask |= HAL_INT_FATAL; /* * Special interrupt handling (not caught by the driver) */ if (((*interrupt_mask) & AR5K_AR5212_PISR_RXPHY) && hal->ah_radar.r_enabled == AH_TRUE) ar5k_radar_alert(hal); if (*interrupt_mask == 0) AR5K_PRINTF("0x%08x\n", data); return (AH_TRUE); } u_int32_t ar5k_ar5212_get_intr(struct ath_hal *hal) { /* Return the interrupt mask stored previously */ return (hal->ah_imr); } HAL_INT ar5k_ar5212_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_AR5212_IER, AR5K_AR5212_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_AR5212_PIMR_RXOK | AR5K_AR5212_PIMR_RXERR | AR5K_AR5212_PIMR_RXORN | AR5K_AR5212_PIMR_RXDESC; if (new_mask & HAL_INT_TX) int_mask |= AR5K_AR5212_PIMR_TXOK | AR5K_AR5212_PIMR_TXERR | AR5K_AR5212_PIMR_TXDESC | AR5K_AR5212_PIMR_TXURN; if (new_mask & HAL_INT_FATAL) { int_mask |= AR5K_AR5212_PIMR_HIUERR; AR5K_REG_ENABLE_BITS(AR5K_AR5212_SIMR2, AR5K_AR5212_SIMR2_MCABT | AR5K_AR5212_SIMR2_SSERR | AR5K_AR5212_SIMR2_DPERR); } AR5K_REG_WRITE(AR5K_AR5212_PIMR, int_mask); /* Store new interrupt mask */ hal->ah_imr = new_mask; /* ..re-enable interrupts */ AR5K_REG_WRITE(AR5K_AR5212_IER, AR5K_AR5212_IER_ENABLE); return (old_mask); } /* * Misc internal functions */ HAL_BOOL ar5k_ar5212_get_capabilities(struct ath_hal *hal) { u_int16_t ee_header; u_int a, b, g; /* Capabilities stored in the EEPROM */ ee_header = hal->ah_capabilities.cap_eeprom.ee_header; a = AR5K_EEPROM_HDR_11A(ee_header); b = AR5K_EEPROM_HDR_11B(ee_header); g = AR5K_EEPROM_HDR_11G(ee_header); /* * If the EEPROM is not reporting any mode, we try 11b. * This might fix a few broken devices with invalid EEPROM. */ if (!a && !b && !g) b = 1; /* * XXX The AR5212 tranceiver supports frequencies from 4920 to 6100GHz * XXX and from 2312 to 2732GHz. There are problems with the current * XXX ieee80211 implementation because the IEEE channel mapping * XXX does not support negative channel numbers (2312MHz is channel * XXX -19). Of course, this doesn't matter because these channels * XXX are out of range but some regulation domains like MKK (Japan) * XXX will support frequencies somewhere around 4.8GHz. */ /* * Set radio capabilities */ if (a) { hal->ah_capabilities.cap_range.range_5ghz_min = 5005; /* 4920 */ hal->ah_capabilities.cap_range.range_5ghz_max = 6100; /* Set supported modes */ hal->ah_capabilities.cap_mode = HAL_MODE_11A | HAL_MODE_TURBO | HAL_MODE_XR; } /* This chip will support 802.11b if the 2GHz radio is connected */ if (b || g) { hal->ah_capabilities.cap_range.range_2ghz_min = 2412; /* 2312 */ hal->ah_capabilities.cap_range.range_2ghz_max = 2732; if (b) hal->ah_capabilities.cap_mode |= HAL_MODE_11B; #if 0 if (g) hal->ah_capabilities.cap_mode |= HAL_MODE_11G; #endif } /* GPIO */ hal->ah_gpio_npins = AR5K_AR5212_NUM_GPIO; /* Set number of supported TX queues */ hal->ah_capabilities.cap_queues.q_tx_num = AR5K_AR5212_TX_NUM_QUEUES; return (AH_TRUE); } void ar5k_ar5212_radar_alert(struct ath_hal *hal, HAL_BOOL enable) { /* * Enable radar detection */ AR5K_REG_WRITE(AR5K_AR5212_IER, AR5K_AR5212_IER_DISABLE); if (enable == AH_TRUE) { AR5K_REG_WRITE(AR5K_AR5212_PHY_RADAR, AR5K_AR5212_PHY_RADAR_ENABLE); AR5K_REG_ENABLE_BITS(AR5K_AR5212_PIMR, AR5K_AR5212_PIMR_RXPHY); } else { AR5K_REG_WRITE(AR5K_AR5212_PHY_RADAR, AR5K_AR5212_PHY_RADAR_DISABLE); AR5K_REG_DISABLE_BITS(AR5K_AR5212_PIMR, AR5K_AR5212_PIMR_RXPHY); } AR5K_REG_WRITE(AR5K_AR5212_IER, AR5K_AR5212_IER_ENABLE); } /* * EEPROM access functions */ HAL_BOOL ar5k_ar5212_eeprom_is_busy(struct ath_hal *hal) { return (AR5K_REG_READ(AR5K_AR5212_CFG) & AR5K_AR5212_CFG_EEBS ? AH_TRUE : AH_FALSE); } int ar5k_ar5212_eeprom_read(struct ath_hal *hal, u_int32_t offset, u_int16_t *data) { u_int32_t status, i; /* * Initialize EEPROM access */ AR5K_REG_WRITE(AR5K_AR5212_EEPROM_BASE, (u_int8_t)offset); AR5K_REG_ENABLE_BITS(AR5K_AR5212_EEPROM_CMD, AR5K_AR5212_EEPROM_CMD_READ); for (i = AR5K_TUNE_REGISTER_TIMEOUT; i > 0; i--) { status = AR5K_REG_READ(AR5K_AR5212_EEPROM_STATUS); if (status & AR5K_AR5212_EEPROM_STAT_RDDONE) { if (status & AR5K_AR5212_EEPROM_STAT_RDERR) return (EIO); *data = (u_int16_t) (AR5K_REG_READ(AR5K_AR5212_EEPROM_DATA) & 0xffff); return (0); } AR5K_DELAY(15); } return (ETIMEDOUT); } int ar5k_ar5212_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_AR5212_EEPROM_CMD, AR5K_AR5212_EEPROM_CMD_RESET); AR5K_REG_ENABLE_BITS(AR5K_AR5212_EEPROM_CMD, AR5K_AR5212_EEPROM_CMD_WRITE); /* * Prime write pump */ AR5K_REG_WRITE(AR5K_AR5212_EEPROM_BASE, (u_int8_t)offset - 1); for (timeout = 10000; timeout > 0; timeout--) { AR5K_DELAY(1); status = AR5K_REG_READ(AR5K_AR5212_EEPROM_STATUS); if (status & AR5K_AR5212_EEPROM_STAT_WRDONE) { if (status & AR5K_AR5212_EEPROM_STAT_WRERR) return (EIO); return (0); } } return (ETIMEDOUT); } /* * TX power setup */ HAL_BOOL ar5k_ar5212_txpower(struct ath_hal *hal, HAL_CHANNEL *channel, u_int txpower) { HAL_BOOL tpc = hal->ah_txpower.txp_tpc; int i; if (txpower > AR5K_TUNE_MAX_TXPOWER) { AR5K_PRINTF("invalid tx power: %u\n", txpower); return (AH_FALSE); } /* Reset TX power values */ bzero(&hal->ah_txpower, sizeof(hal->ah_txpower)); hal->ah_txpower.txp_tpc = tpc; /* Initialize TX power table */ ar5k_txpower_table(hal, channel, txpower); /* * Write TX power values */ for (i = 0; i < (AR5K_EEPROM_POWER_TABLE_SIZE / 2); i++) { AR5K_REG_WRITE(AR5K_AR5212_PHY_PCDAC_TXPOWER(i), ((((hal->ah_txpower.txp_pcdac[(i << 1) + 1] << 8) | 0xff) & 0xffff) << 16) | (((hal->ah_txpower.txp_pcdac[i << 1] << 8) | 0xff) & 0xffff)); } AR5K_REG_WRITE(AR5K_AR5212_PHY_TXPOWER_RATE1, AR5K_TXPOWER_OFDM(3, 24) | AR5K_TXPOWER_OFDM(2, 16) | AR5K_TXPOWER_OFDM(1, 8) | AR5K_TXPOWER_OFDM(0, 0)); AR5K_REG_WRITE(AR5K_AR5212_PHY_TXPOWER_RATE2, AR5K_TXPOWER_OFDM(7, 24) | AR5K_TXPOWER_OFDM(6, 16) | AR5K_TXPOWER_OFDM(5, 8) | AR5K_TXPOWER_OFDM(4, 0)); AR5K_REG_WRITE(AR5K_AR5212_PHY_TXPOWER_RATE3, AR5K_TXPOWER_CCK(10, 24) | AR5K_TXPOWER_CCK(9, 16) | AR5K_TXPOWER_CCK(15, 8) | AR5K_TXPOWER_CCK(8, 0)); AR5K_REG_WRITE(AR5K_AR5212_PHY_TXPOWER_RATE4, AR5K_TXPOWER_CCK(14, 24) | AR5K_TXPOWER_CCK(13, 16) | AR5K_TXPOWER_CCK(12, 8) | AR5K_TXPOWER_CCK(11, 0)); if (hal->ah_txpower.txp_tpc == AH_TRUE) { AR5K_REG_WRITE(AR5K_AR5212_PHY_TXPOWER_RATE_MAX, AR5K_AR5212_PHY_TXPOWER_RATE_MAX_TPC_ENABLE | AR5K_TUNE_MAX_TXPOWER); } else { AR5K_REG_WRITE(AR5K_AR5212_PHY_TXPOWER_RATE_MAX, AR5K_AR5212_PHY_TXPOWER_RATE_MAX | AR5K_TUNE_MAX_TXPOWER); } return (AH_TRUE); } HAL_BOOL ar5k_ar5212_set_txpower_limit(struct ath_hal *hal, u_int power) { HAL_CHANNEL *channel = &hal->ah_current_channel; AR5K_PRINTF("changing txpower to %d\n", power); return (ar5k_ar5212_txpower(hal, channel, power)); }