/* Copyright (C) 2004 - 2009 rt2x00 SourceForge Project This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Module: rt2800usb Abstract: rt2800usb device specific routines. Supported chipsets: RT2800U. */ #include #include #include #include #include #include #include #include "rt2x00.h" #include "rt2x00usb.h" #include "rt2800usb.h" /* * Allow hardware encryption to be disabled. */ static int modparam_nohwcrypt = 1; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); /* * Register access. * All access to the CSR registers will go through the methods * rt2x00usb_register_read and rt2x00usb_register_write. * BBP and RF register require indirect register access, * and use the CSR registers BBPCSR and RFCSR to achieve this. * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay * between each attampt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. * The _lock versions must be used if you already hold the csr_mutex */ #define WAIT_FOR_BBP(__dev, __reg) \ rt2x00usb_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR(__dev, __reg) \ rt2x00usb_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RF(__dev, __reg) \ rt2x00usb_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg)) #define WAIT_FOR_MCU(__dev, __reg) \ rt2x00usb_regbusy_read((__dev), H2M_MAILBOX_CSR, \ H2M_MAILBOX_CSR_OWNER, (__reg)) static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_VALUE, value); rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 0); rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word, u8 *value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 1); rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); WAIT_FOR_BBP(rt2x00dev, ®); } *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE); mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_DATA, value); rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev, const unsigned int word, u8 *value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 0); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); WAIT_FOR_RFCSR(rt2x00dev, ®); } *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA); mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RF becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RF(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG0_REG_VALUE_BW, value); rt2x00_set_field32(®, RF_CSR_CFG0_STANDBYMODE, 0); rt2x00_set_field32(®, RF_CSR_CFG0_SEL, 0); rt2x00_set_field32(®, RF_CSR_CFG0_BUSY, 1); rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg); rt2x00_rf_write(rt2x00dev, word, value); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the MCU becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_MCU(rt2x00dev, ®)) { rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1); rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1); rt2x00usb_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg); reg = 0; rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); rt2x00usb_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } #ifdef CONFIG_RT2X00_LIB_DEBUGFS static const struct rt2x00debug rt2800usb_rt2x00debug = { .owner = THIS_MODULE, .csr = { .read = rt2x00usb_register_read, .write = rt2x00usb_register_write, .flags = RT2X00DEBUGFS_OFFSET, .word_base = CSR_REG_BASE, .word_size = sizeof(u32), .word_count = CSR_REG_SIZE / sizeof(u32), }, .eeprom = { .read = rt2x00_eeprom_read, .write = rt2x00_eeprom_write, .word_base = EEPROM_BASE, .word_size = sizeof(u16), .word_count = EEPROM_SIZE / sizeof(u16), }, .bbp = { .read = rt2800usb_bbp_read, .write = rt2800usb_bbp_write, .word_base = BBP_BASE, .word_size = sizeof(u8), .word_count = BBP_SIZE / sizeof(u8), }, .rf = { .read = rt2x00_rf_read, .write = rt2800usb_rf_write, .word_base = RF_BASE, .word_size = sizeof(u32), .word_count = RF_SIZE / sizeof(u32), }, }; #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ #ifdef CONFIG_RT2X00_LIB_RFKILL static int rt2800usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2); } #else #define rt2800usb_rfkill_poll NULL #endif /* CONFIG_RT2X00_LIB_RFKILL */ #ifdef CONFIG_RT2X00_LIB_LEDS static void rt2800usb_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); unsigned int enabled = brightness != LED_OFF; unsigned int bg_mode = (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); unsigned int polarity = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_POLARITY); unsigned int ledmode = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_MODE); if (led->type == LED_TYPE_RADIO) { rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? 0x20 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20); } else if (led->type == LED_TYPE_QUALITY) { /* * The brightness is divided into 6 levels (0 - 5), * The specs tell us the following levels: * 0, 1 ,3, 7, 15, 31 * to determine the level in a simple way we can simply * work with bitshifting: * (1 << level) - 1 */ rt2800usb_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, (1 << brightness / (LED_FULL / 6)) - 1, polarity); } } static int rt2800usb_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); u32 reg; rt2x00usb_register_read(led->rt2x00dev, LED_CFG, ®); rt2x00_set_field32(®, LED_CFG_ON_PERIOD, *delay_on); rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, *delay_off); rt2x00_set_field32(®, LED_CFG_SLOW_BLINK_PERIOD, 3); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_G_LED_MODE, 12); rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_LED_POLAR, 1); rt2x00usb_register_write(led->rt2x00dev, LED_CFG, reg); return 0; } static void rt2800usb_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { led->rt2x00dev = rt2x00dev; led->type = type; led->led_dev.brightness_set = rt2800usb_brightness_set; led->led_dev.blink_set = rt2800usb_blink_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct mac_wcid_entry wcid_entry; struct mac_iveiv_entry iveiv_entry; u32 offset; u32 reg; offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx); rt2x00usb_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, (crypto->cmd == SET_KEY) * crypto->cipher); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (crypto->cmd == SET_KEY) * crypto->bssidx); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher); rt2x00usb_register_write(rt2x00dev, offset, reg); offset = MAC_IVEIV_ENTRY(key->hw_key_idx); memset(&iveiv_entry, 0, sizeof(iveiv_entry)); if ((crypto->cipher == CIPHER_TKIP) || (crypto->cipher == CIPHER_TKIP_NO_MIC) || (crypto->cipher == CIPHER_AES)) iveiv_entry.iv[3] |= 0x20; iveiv_entry.iv[3] |= key->keyidx << 6; rt2x00usb_register_multiwrite(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); offset = MAC_WCID_ENTRY(key->hw_key_idx); memset(&wcid_entry, 0, sizeof(wcid_entry)); if (crypto->cmd == SET_KEY) memcpy(&wcid_entry, crypto->address, ETH_ALEN); rt2x00usb_register_multiwrite(rt2x00dev, offset, &wcid_entry, sizeof(wcid_entry)); } static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; struct rt2x00_field32 field; int timeout; u32 offset; u32 reg; if (crypto->cmd == SET_KEY) { key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = SHARED_KEY_ENTRY(key->hw_key_idx); timeout = REGISTER_TIMEOUT32(sizeof(key_entry)); rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, offset, &key_entry, sizeof(key_entry), timeout); } /* * The cipher types are stored over multiple registers * starting with SHARED_KEY_MODE_BASE each word will have * 32 bits and contains the cipher types for 2 bssidx each. * Using the correct defines correctly will cause overhead, * so just calculate the correct offset. */ field.bit_offset = 4 * (key->hw_key_idx % 8); field.bit_mask = 0x7 << field.bit_offset; offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8); rt2x00usb_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, field, (crypto->cmd == SET_KEY) * crypto->cipher); rt2x00usb_register_write(rt2x00dev, offset, reg); /* * Update WCID information */ rt2800usb_config_wcid_attr(rt2x00dev, crypto, key); return 0; } static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; int timeout; u32 offset; if (crypto->cmd == SET_KEY) { /* * 1 pairwise key is possible per AID, this means that the AID * equals our hw_key_idx. Make sure the WCID starts _after_ the * last possible shared key entry. */ if (crypto->aid > (256 - 32)) return -ENOSPC; key->hw_key_idx = 32 + crypto->aid; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx); timeout = REGISTER_TIMEOUT32(sizeof(key_entry)); rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, offset, &key_entry, sizeof(key_entry), timeout); } /* * Update WCID information */ rt2800usb_config_wcid_attr(rt2x00dev, crypto, key); return 0; } static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { u32 reg; /* * Start configuration steps. * Note that the version error will always be dropped * and broadcast frames will always be accepted since * there is no filter for it at this time. */ rt2x00usb_register_read(rt2x00dev, RX_FILTER_CFG, ®); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CRC_ERROR, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, !(filter_flags & FIF_PROMISC_IN_BSS)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST, !(filter_flags & FIF_ALLMULTI)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BROADCAST, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_DUPLICATE, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_RTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CNTL, !(filter_flags & FIF_CONTROL)); rt2x00usb_register_write(rt2x00dev, RX_FILTER_CFG, reg); } static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { unsigned int beacon_base; u32 reg; if (flags & CONFIG_UPDATE_TYPE) { /* * Clear current synchronisation setup. * For the Beacon base registers we only need to clear * the first byte since that byte contains the VALID and OWNER * bits which (when set to 0) will invalidate the entire beacon. */ beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); rt2x00usb_register_write(rt2x00dev, beacon_base, 0); /* * Enable synchronisation. */ rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, conf->sync); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); } if (flags & CONFIG_UPDATE_MAC) { reg = le32_to_cpu(conf->mac[1]); rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff); conf->mac[1] = cpu_to_le32(reg); rt2x00usb_register_multiwrite(rt2x00dev, MAC_ADDR_DW0, conf->mac, sizeof(conf->mac)); } if (flags & CONFIG_UPDATE_BSSID) { reg = le32_to_cpu(conf->bssid[1]); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 0); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_BCN_NUM, 0); conf->bssid[1] = cpu_to_le32(reg); rt2x00usb_register_multiwrite(rt2x00dev, MAC_BSSID_DW0, conf->bssid, sizeof(conf->bssid)); } } static void rt2800usb_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) { u32 reg; rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, ®); rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, DIV_ROUND_UP(erp->ack_timeout, erp->slot_time)); rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, ®); rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, !!erp->short_preamble); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, !!erp->short_preamble); rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg); rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, erp->cts_protection ? 2 : 0); rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE, erp->basic_rates); rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2x00usb_register_read(rt2x00dev, BKOFF_SLOT_CFG, ®); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time); rt2x00_set_field32(®, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2); rt2x00usb_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); rt2x00usb_register_read(rt2x00dev, XIFS_TIME_CFG, ®); rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs); rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1); rt2x00usb_register_write(rt2x00dev, XIFS_TIME_CFG, reg); } static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r1; u8 r3; rt2800usb_bbp_read(rt2x00dev, 1, &r1); rt2800usb_bbp_read(rt2x00dev, 3, &r3); /* * Configure the TX antenna. */ switch ((int)ant->tx) { case 1: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0); break; case 2: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2); break; case 3: /* Do nothing */ break; } /* * Configure the RX antenna. */ switch ((int)ant->rx) { case 1: rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0); break; case 2: rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1); break; case 3: rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2); break; } rt2800usb_bbp_write(rt2x00dev, 3, r3); rt2800usb_bbp_write(rt2x00dev, 1, r1); } static void rt2800usb_config_lna_gain(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u16 eeprom; short lna_gain; if (libconf->rf.channel <= 14) { rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG); } else if (libconf->rf.channel <= 64) { rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0); } else if (libconf->rf.channel <= 128) { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1); } else { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2); } rt2x00dev->lna_gain = lna_gain; } static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); if (rt2x00dev->default_ant.tx == 1) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1); if (rt2x00dev->default_ant.rx == 1) { rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1); rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); } else if (rt2x00dev->default_ant.rx == 2) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); if (rf->channel > 14) { /* * When TX power is below 0, we should increase it by 7 to * make it a positive value (Minumum value is -7). * However this means that values between 0 and 7 have * double meaning, and we should set a 7DBm boost flag. */ rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST, (info->tx_power1 >= 0)); if (info->tx_power1 < 0) info->tx_power1 += 7; rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, TXPOWER_A_TO_DEV(info->tx_power1)); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST, (info->tx_power2 >= 0)); if (info->tx_power2 < 0) info->tx_power2 += 7; rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, TXPOWER_A_TO_DEV(info->tx_power2)); } else { rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, TXPOWER_G_TO_DEV(info->tx_power1)); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, TXPOWER_G_TO_DEV(info->tx_power2)); } rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf)); rt2800usb_rf_write(rt2x00dev, 1, rf->rf1); rt2800usb_rf_write(rt2x00dev, 2, rf->rf2); rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800usb_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800usb_rf_write(rt2x00dev, 1, rf->rf1); rt2800usb_rf_write(rt2x00dev, 2, rf->rf2); rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); rt2800usb_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800usb_rf_write(rt2x00dev, 1, rf->rf1); rt2800usb_rf_write(rt2x00dev, 2, rf->rf2); rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800usb_rf_write(rt2x00dev, 4, rf->rf4); } static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf1); rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf3); rt2800usb_rfcsr_read(rt2x00dev, 6, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2); rt2800usb_rfcsr_write(rt2x00dev, 6, rfcsr); rt2800usb_rfcsr_read(rt2x00dev, 12, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, TXPOWER_G_TO_DEV(info->tx_power1)); rt2800usb_rfcsr_write(rt2x00dev, 12, rfcsr); rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr); rt2800usb_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration[conf_is_ht40(conf)]); rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr); } static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u32 reg; unsigned int tx_pin; u8 bbp; if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION) rt2800usb_config_channel_rt2x(rt2x00dev, conf, rf, info); else rt2800usb_config_channel_rt3x(rt2x00dev, conf, rf, info); /* * Change BBP settings */ rt2800usb_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800usb_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800usb_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800usb_bbp_write(rt2x00dev, 86, 0); if (rf->channel <= 14) { if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { rt2800usb_bbp_write(rt2x00dev, 82, 0x62); rt2800usb_bbp_write(rt2x00dev, 75, 0x46); } else { rt2800usb_bbp_write(rt2x00dev, 82, 0x84); rt2800usb_bbp_write(rt2x00dev, 75, 0x50); } } else { rt2800usb_bbp_write(rt2x00dev, 82, 0xf2); if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) rt2800usb_bbp_write(rt2x00dev, 75, 0x46); else rt2800usb_bbp_write(rt2x00dev, 75, 0x50); } rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, ®); rt2x00_set_field32(®, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf)); rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14); rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14); rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg); tx_pin = 0; /* Turn on unused PA or LNA when not using 1T or 1R */ if (rt2x00dev->default_ant.tx != 1) { rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1); } /* Turn on unused PA or LNA when not using 1T or 1R */ if (rt2x00dev->default_ant.rx != 1) { rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1); } rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14); rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); rt2800usb_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf)); rt2800usb_bbp_write(rt2x00dev, 4, bbp); rt2800usb_bbp_read(rt2x00dev, 3, &bbp); rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf)); rt2800usb_bbp_write(rt2x00dev, 3, bbp); if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) { if (conf_is_ht40(conf)) { rt2800usb_bbp_write(rt2x00dev, 69, 0x1a); rt2800usb_bbp_write(rt2x00dev, 70, 0x0a); rt2800usb_bbp_write(rt2x00dev, 73, 0x16); } else { rt2800usb_bbp_write(rt2x00dev, 69, 0x16); rt2800usb_bbp_write(rt2x00dev, 70, 0x08); rt2800usb_bbp_write(rt2x00dev, 73, 0x11); } } msleep(1); } static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev, const int txpower) { u32 reg; u32 value = TXPOWER_G_TO_DEV(txpower); u8 r1; rt2800usb_bbp_read(rt2x00dev, 1, &r1); rt2x00_set_field8(®, BBP1_TX_POWER, 0); rt2800usb_bbp_write(rt2x00dev, 1, r1); rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_0, ®); rt2x00_set_field32(®, TX_PWR_CFG_0_1MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_2MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_55MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_11MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_6MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_9MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_12MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_0_18MBS, value); rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_0, reg); rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_1, ®); rt2x00_set_field32(®, TX_PWR_CFG_1_24MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_1_36MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_1_48MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_1_54MBS, value); rt2x00_set_field32(®, TX_PWR_CFG_1_MCS0, value); rt2x00_set_field32(®, TX_PWR_CFG_1_MCS1, value); rt2x00_set_field32(®, TX_PWR_CFG_1_MCS2, value); rt2x00_set_field32(®, TX_PWR_CFG_1_MCS3, value); rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_1, reg); rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_2, ®); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS4, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS5, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS6, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS7, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS8, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS9, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS10, value); rt2x00_set_field32(®, TX_PWR_CFG_2_MCS11, value); rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_2, reg); rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_3, ®); rt2x00_set_field32(®, TX_PWR_CFG_3_MCS12, value); rt2x00_set_field32(®, TX_PWR_CFG_3_MCS13, value); rt2x00_set_field32(®, TX_PWR_CFG_3_MCS14, value); rt2x00_set_field32(®, TX_PWR_CFG_3_MCS15, value); rt2x00_set_field32(®, TX_PWR_CFG_3_UKNOWN1, value); rt2x00_set_field32(®, TX_PWR_CFG_3_UKNOWN2, value); rt2x00_set_field32(®, TX_PWR_CFG_3_UKNOWN3, value); rt2x00_set_field32(®, TX_PWR_CFG_3_UKNOWN4, value); rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_3, reg); rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_4, ®); rt2x00_set_field32(®, TX_PWR_CFG_4_UKNOWN5, value); rt2x00_set_field32(®, TX_PWR_CFG_4_UKNOWN6, value); rt2x00_set_field32(®, TX_PWR_CFG_4_UKNOWN7, value); rt2x00_set_field32(®, TX_PWR_CFG_4_UKNOWN8, value); rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_4, reg); } static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; rt2x00usb_register_read(rt2x00dev, TX_RTY_CFG, ®); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, libconf->conf->short_frame_max_tx_count); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, libconf->conf->long_frame_max_tx_count); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_THRE, 2000); rt2x00_set_field32(®, TX_RTY_CFG_NON_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1); rt2x00usb_register_write(rt2x00dev, TX_RTY_CFG, reg); } static void rt2800usb_config_duration(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, libconf->conf->beacon_int * 16); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); } static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { enum dev_state state = (libconf->conf->flags & IEEE80211_CONF_PS) ? STATE_SLEEP : STATE_AWAKE; u32 reg; if (state == STATE_SLEEP) { rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0); rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, libconf->conf->listen_interval - 1); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1); rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } else { rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0); rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); } } static void rt2800usb_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { /* Always recalculate LNA gain before changing configuration */ rt2800usb_config_lna_gain(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_CHANNEL) rt2800usb_config_channel(rt2x00dev, libconf->conf, &libconf->rf, &libconf->channel); if (flags & IEEE80211_CONF_CHANGE_POWER) rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level); if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) rt2800usb_config_retry_limit(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL) rt2800usb_config_duration(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_PS) rt2800usb_config_ps(rt2x00dev, libconf); } /* * Link tuning */ static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { u32 reg; /* * Update FCS error count from register. */ rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, ®); qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR); } static u8 rt2800usb_get_default_vgc(struct rt2x00_dev *rt2x00dev) { if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) { if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) return 0x1c + (2 * rt2x00dev->lna_gain); else return 0x2e + rt2x00dev->lna_gain; } if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) return 0x32 + (rt2x00dev->lna_gain * 5) / 3; else return 0x3a + (rt2x00dev->lna_gain * 5) / 3; } static inline void rt2800usb_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { if (qual->vgc_level != vgc_level) { rt2800usb_bbp_write(rt2x00dev, 66, vgc_level); qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } static void rt2800usb_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { rt2800usb_set_vgc(rt2x00dev, qual, rt2800usb_get_default_vgc(rt2x00dev)); } static void rt2800usb_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) return; /* * When RSSI is better then -80 increase VGC level with 0x10 */ rt2800usb_set_vgc(rt2x00dev, qual, rt2800usb_get_default_vgc(rt2x00dev) + ((qual->rssi > -80) * 0x10)); } /* * Firmware functions */ static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) { return FIRMWARE_RT2870; } static bool rt2800usb_check_crc(const u8 *data, const size_t len) { u16 fw_crc; u16 crc; /* * The last 2 bytes in the firmware array are the crc checksum itself, * this means that we should never pass those 2 bytes to the crc * algorithm. */ fw_crc = (data[len - 2] << 8 | data[len - 1]); /* * Use the crc ccitt algorithm. * This will return the same value as the legacy driver which * used bit ordering reversion on the both the firmware bytes * before input input as well as on the final output. * Obviously using crc ccitt directly is much more efficient. */ crc = crc_ccitt(~0, data, len - 2); /* * There is a small difference between the crc-itu-t + bitrev and * the crc-ccitt crc calculation. In the latter method the 2 bytes * will be swapped, use swab16 to convert the crc to the correct * value. */ crc = swab16(crc); return fw_crc == crc; } static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff; size_t offset = 0; /* * Firmware files: * There are 2 variations of the rt2870 firmware. * a) size: 4kb * b) size: 8kb * Note that (b) contains 2 seperate firmware blobs of 4k * within the file. The first blob is the same firmware as (a), * but the second blob is for the additional chipsets. */ if (len != 4096 && len != 8192) return FW_BAD_LENGTH; /* * Check if we need the upper 4kb firmware data or not. */ if ((len == 4096) && (chipset != 0x2860) && (chipset != 0x2872) && (chipset != 0x3070)) return FW_BAD_VERSION; /* * 8kb firmware files must be checked as if it were * 2 seperate firmware files. */ while (offset < len) { if (!rt2800usb_check_crc(data + offset, 4096)) return FW_BAD_CRC; offset += 4096; } return FW_OK; } static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { unsigned int i; int status; u32 reg; u32 offset; u32 length; u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff; /* * Check which section of the firmware we need. */ if ((chipset == 0x2860) || (chipset == 0x2872) || (chipset == 0x3070)) { offset = 0; length = 4096; } else { offset = 4096; length = 4096; } /* * Wait for stable hardware. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read(rt2x00dev, MAC_CSR0, ®); if (reg && reg != ~0) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { ERROR(rt2x00dev, "Unstable hardware.\n"); return -EBUSY; } /* * Write firmware to device. */ rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, FIRMWARE_IMAGE_BASE, data + offset, length, REGISTER_TIMEOUT32(length)); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); /* * Send firmware request to device to load firmware, * we need to specify a long timeout time. */ status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_FIRMWARE, REGISTER_TIMEOUT_FIRMWARE); if (status < 0) { ERROR(rt2x00dev, "Failed to write Firmware to device.\n"); return status; } msleep(10); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); /* * Send signal to firmware during boot time. */ rt2800usb_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0); if ((chipset == 0x3070) || (chipset == 0x3071) || (chipset == 0x3572)) { udelay(200); rt2800usb_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0); udelay(10); } /* * Wait for device to stabilize. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, ®); if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { ERROR(rt2x00dev, "PBF system register not ready.\n"); return -EBUSY; } /* * Initialize firmware. */ rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); msleep(1); return 0; } /* * Initialization functions. */ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev) { u32 reg; unsigned int i; /* * Wait untill BBP and RF are ready. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read(rt2x00dev, MAC_CSR0, ®); if (reg && reg != ~0) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { ERROR(rt2x00dev, "Unstable hardware.\n"); return -EBUSY; } rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, ®); rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000); rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000); rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_RESET, REGISTER_TIMEOUT); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); rt2x00usb_register_read(rt2x00dev, BCN_OFFSET0, ®); rt2x00_set_field32(®, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */ rt2x00_set_field32(®, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */ rt2x00_set_field32(®, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */ rt2x00_set_field32(®, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */ rt2x00usb_register_write(rt2x00dev, BCN_OFFSET0, reg); rt2x00usb_register_read(rt2x00dev, BCN_OFFSET1, ®); rt2x00_set_field32(®, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */ rt2x00_set_field32(®, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */ rt2x00_set_field32(®, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */ rt2x00_set_field32(®, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */ rt2x00usb_register_write(rt2x00dev, BCN_OFFSET1, reg); rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f); rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) { rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2x00usb_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else { rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000); rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } rt2x00usb_register_read(rt2x00dev, TX_LINK_CFG, ®); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32); rt2x00_set_field32(®, TX_LINK_CFG_MFB_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_MRQ_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_RDG_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_CF_ACK_EN, 1); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFS, 0); rt2x00usb_register_write(rt2x00dev, TX_LINK_CFG, reg); rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, ®); rt2x00_set_field32(®, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9); rt2x00_set_field32(®, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10); rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); rt2x00usb_register_read(rt2x00dev, MAX_LEN_CFG, ®); rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE); if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION && rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION) rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 2); else rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 1); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 0); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 0); rt2x00usb_register_write(rt2x00dev, MAX_LEN_CFG, reg); rt2x00usb_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f); rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, ®); rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0); rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg); rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, ®); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_RATE, 8); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_NAV, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_RATE, 8); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_NAV, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg); rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006); rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_BIG_ENDIAN, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_HDR_SEG_LEN, 0); rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2x00usb_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f); rt2x00usb_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002); rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, ®); rt2x00_set_field32(®, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, IEEE80211_MAX_RTS_THRESHOLD); rt2x00_set_field32(®, TX_RTS_CFG_RTS_FBK_EN, 0); rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2x00usb_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca); rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); /* * ASIC will keep garbage value after boot, clear encryption keys. */ for (i = 0; i < 256; i++) { u32 wcid[2] = { 0xffffffff, 0x00ffffff }; rt2x00usb_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i), wcid, sizeof(wcid)); rt2x00usb_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1); rt2x00usb_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0); } for (i = 0; i < 16; i++) rt2x00usb_register_write(rt2x00dev, SHARED_KEY_MODE_ENTRY(i), 0); /* * Clear all beacons * For the Beacon base registers we only need to clear * the first byte since that byte contains the VALID and OWNER * bits which (when set to 0) will invalidate the entire beacon. */ rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE4, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE5, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE6, 0); rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE7, 0); rt2x00usb_register_read(rt2x00dev, USB_CYC_CFG, ®); rt2x00_set_field32(®, USB_CYC_CFG_CLOCK_CYCLE, 30); rt2x00usb_register_write(rt2x00dev, USB_CYC_CFG, reg); rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG0, ®); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS0FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS1FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS2FBK, 1); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS3FBK, 2); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS4FBK, 3); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS5FBK, 4); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS6FBK, 5); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS7FBK, 6); rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG0, reg); rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG1, ®); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS8FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS9FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS10FBK, 9); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS11FBK, 10); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS12FBK, 11); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS13FBK, 12); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS14FBK, 13); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS15FBK, 14); rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG1, reg); rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG0, ®); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS0FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS1FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS2FBK, 3); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS3FBK, 10); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS4FBK, 11); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS5FBK, 12); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS6FBK, 13); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS7FBK, 14); rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG0, reg); rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG1, ®); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS0FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS1FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS2FBK, 1); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS3FBK, 2); rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG1, reg); /* * We must clear the error counters. * These registers are cleared on read, * so we may pass a useless variable to store the value. */ rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, ®); rt2x00usb_register_read(rt2x00dev, RX_STA_CNT1, ®); rt2x00usb_register_read(rt2x00dev, RX_STA_CNT2, ®); rt2x00usb_register_read(rt2x00dev, TX_STA_CNT0, ®); rt2x00usb_register_read(rt2x00dev, TX_STA_CNT1, ®); rt2x00usb_register_read(rt2x00dev, TX_STA_CNT2, ®); return 0; } static int rt2800usb_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read(rt2x00dev, MAC_STATUS_CFG, ®); if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY)) return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n"); return -EACCES; } static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u8 value; /* * BBP was enabled after firmware was loaded, * but we need to reactivate it now. */ rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); msleep(1); for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800usb_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; } static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; u16 eeprom; u8 reg_id; u8 value; if (unlikely(rt2800usb_wait_bbp_rf_ready(rt2x00dev) || rt2800usb_wait_bbp_ready(rt2x00dev))) return -EACCES; rt2800usb_bbp_write(rt2x00dev, 65, 0x2c); rt2800usb_bbp_write(rt2x00dev, 66, 0x38); rt2800usb_bbp_write(rt2x00dev, 69, 0x12); rt2800usb_bbp_write(rt2x00dev, 70, 0x0a); rt2800usb_bbp_write(rt2x00dev, 73, 0x10); rt2800usb_bbp_write(rt2x00dev, 81, 0x37); rt2800usb_bbp_write(rt2x00dev, 82, 0x62); rt2800usb_bbp_write(rt2x00dev, 83, 0x6a); rt2800usb_bbp_write(rt2x00dev, 84, 0x99); rt2800usb_bbp_write(rt2x00dev, 86, 0x00); rt2800usb_bbp_write(rt2x00dev, 91, 0x04); rt2800usb_bbp_write(rt2x00dev, 92, 0x00); rt2800usb_bbp_write(rt2x00dev, 103, 0x00); rt2800usb_bbp_write(rt2x00dev, 105, 0x05); if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) { rt2800usb_bbp_write(rt2x00dev, 69, 0x16); rt2800usb_bbp_write(rt2x00dev, 73, 0x12); } if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION) { rt2800usb_bbp_write(rt2x00dev, 84, 0x19); } if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) { rt2800usb_bbp_write(rt2x00dev, 70, 0x0a); rt2800usb_bbp_write(rt2x00dev, 84, 0x99); rt2800usb_bbp_write(rt2x00dev, 105, 0x05); } for (i = 0; i < EEPROM_BBP_SIZE; i++) { rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); if (eeprom != 0xffff && eeprom != 0x0000) { reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); rt2800usb_bbp_write(rt2x00dev, reg_id, value); } } return 0; } static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40, u8 rfcsr24, u8 filter_target) { unsigned int i; u8 bbp; u8 rfcsr; u8 passband; u8 stopband; u8 overtuned = 0; rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24); rt2800usb_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40); rt2800usb_bbp_write(rt2x00dev, 4, bbp); rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1); rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set power & frequency of passband test tone */ rt2800usb_bbp_write(rt2x00dev, 24, 0); for (i = 0; i < 100; i++) { rt2800usb_bbp_write(rt2x00dev, 25, 0x90); msleep(1); rt2800usb_bbp_read(rt2x00dev, 55, &passband); if (passband) break; } /* * Set power & frequency of stopband test tone */ rt2800usb_bbp_write(rt2x00dev, 24, 0x06); for (i = 0; i < 100; i++) { rt2800usb_bbp_write(rt2x00dev, 25, 0x90); msleep(1); rt2800usb_bbp_read(rt2x00dev, 55, &stopband); if ((passband - stopband) <= filter_target) { rfcsr24++; overtuned += ((passband - stopband) == filter_target); } else break; rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24); } rfcsr24 -= !!overtuned; rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24); return rfcsr24; } static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; u8 bbp; if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION) return 0; /* * Init RF calibration. */ rt2800usb_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr); rt2800usb_rfcsr_write(rt2x00dev, 4, 0x40); rt2800usb_rfcsr_write(rt2x00dev, 5, 0x03); rt2800usb_rfcsr_write(rt2x00dev, 6, 0x02); rt2800usb_rfcsr_write(rt2x00dev, 7, 0x70); rt2800usb_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800usb_rfcsr_write(rt2x00dev, 10, 0x71); rt2800usb_rfcsr_write(rt2x00dev, 11, 0x21); rt2800usb_rfcsr_write(rt2x00dev, 12, 0x7b); rt2800usb_rfcsr_write(rt2x00dev, 14, 0x90); rt2800usb_rfcsr_write(rt2x00dev, 15, 0x58); rt2800usb_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800usb_rfcsr_write(rt2x00dev, 17, 0x92); rt2800usb_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800usb_rfcsr_write(rt2x00dev, 19, 0x02); rt2800usb_rfcsr_write(rt2x00dev, 20, 0xba); rt2800usb_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800usb_rfcsr_write(rt2x00dev, 24, 0x16); rt2800usb_rfcsr_write(rt2x00dev, 25, 0x01); rt2800usb_rfcsr_write(rt2x00dev, 27, 0x03); rt2800usb_rfcsr_write(rt2x00dev, 29, 0x1f); /* * Set RX Filter calibration for 20MHz and 40MHz */ rt2x00dev->calibration[0] = rt2800usb_init_rx_filter(rt2x00dev, false, 0x07, 0x16); rt2x00dev->calibration[1] = rt2800usb_init_rx_filter(rt2x00dev, true, 0x27, 0x19); /* * Set back to initial state */ rt2800usb_bbp_write(rt2x00dev, 24, 0); rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0); rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr); /* * set BBP back to BW20 */ rt2800usb_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0); rt2800usb_bbp_write(rt2x00dev, 4, bbp); return 0; } /* * Device state switch handlers. */ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg; rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, (state == STATE_RADIO_RX_ON) || (state == STATE_RADIO_RX_ON_LINK)); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); } static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) && !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY)) return 0; msleep(1); } ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n"); return -EACCES; } static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 word; /* * Initialize all registers. */ if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) || rt2800usb_init_registers(rt2x00dev) || rt2800usb_init_bbp(rt2x00dev) || rt2800usb_init_rfcsr(rt2x00dev))) return -EIO; rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); udelay(50); rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, ®); rt2x00_set_field32(®, USB_DMA_CFG_PHY_CLEAR, 0); /* Don't use bulk in aggregation when working with USB 1.1 */ rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_EN, (rt2x00dev->rx->usb_maxpacket == 512)); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128); /* * Total room for RX frames in kilobytes, PBF might still exceed * this limit so reduce the number to prevent errors. */ rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_LIMIT, ((RX_ENTRIES * DATA_FRAME_SIZE) / 1024) - 3); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_EN, 1); rt2x00_set_field32(®, USB_DMA_CFG_TX_BULK_EN, 1); rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg); rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); /* * Initialize LED control */ rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word); rt2800usb_mcu_request(rt2x00dev, MCU_LED_1, 0xff, word & 0xff, (word >> 8) & 0xff); rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word); rt2800usb_mcu_request(rt2x00dev, MCU_LED_2, 0xff, word & 0xff, (word >> 8) & 0xff); rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word); rt2800usb_mcu_request(rt2x00dev, MCU_LED_3, 0xff, word & 0xff, (word >> 8) & 0xff); return 0; } static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0); rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0); rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, 0); /* Wait for DMA, ignore error */ rt2800usb_wait_wpdma_ready(rt2x00dev); rt2x00usb_disable_radio(rt2x00dev); } static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { if (state == STATE_AWAKE) rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0); else rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2); return 0; } static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { int retval = 0; switch (state) { case STATE_RADIO_ON: /* * Before the radio can be enabled, the device first has * to be woken up. After that it needs a bit of time * to be fully awake and the radio can be enabled. */ rt2800usb_set_state(rt2x00dev, STATE_AWAKE); msleep(1); retval = rt2800usb_enable_radio(rt2x00dev); break; case STATE_RADIO_OFF: /* * After the radio has been disablee, the device should * be put to sleep for powersaving. */ rt2800usb_disable_radio(rt2x00dev); rt2800usb_set_state(rt2x00dev, STATE_SLEEP); break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: rt2800usb_toggle_rx(rt2x00dev, state); break; case STATE_RADIO_IRQ_ON: case STATE_RADIO_IRQ_OFF: /* No support, but no error either */ break; case STATE_DEEP_SLEEP: case STATE_SLEEP: case STATE_STANDBY: case STATE_AWAKE: retval = rt2800usb_set_state(rt2x00dev, state); break; default: retval = -ENOTSUPP; break; } if (unlikely(retval)) ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", state, retval); return retval; } /* * TX descriptor initialization */ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); __le32 *txi = skbdesc->desc; __le32 *txwi = &txi[TXINFO_DESC_SIZE / sizeof(__le32)]; u32 word; /* * Initialize TX Info descriptor */ rt2x00_desc_read(txwi, 0, &word); rt2x00_set_field32(&word, TXWI_W0_FRAG, test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0); rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); rt2x00_set_field32(&word, TXWI_W0_TS, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_AMPDU, test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density); rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs); rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs); rt2x00_set_field32(&word, TXWI_W0_BW, test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc); rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); rt2x00_desc_write(txwi, 0, word); rt2x00_desc_read(txwi, 1, &word); rt2x00_set_field32(&word, TXWI_W1_ACK, test_bit(ENTRY_TXD_ACK, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_NSEQ, test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size); rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? txdesc->key_idx : 0xff); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, skb->len - txdesc->l2pad); rt2x00_set_field32(&word, TXWI_W1_PACKETID, skbdesc->entry->entry_idx); rt2x00_desc_write(txwi, 1, word); /* * Always write 0 to IV/EIV fields, hardware will insert the IV * from the IVEIV register when TXINFO_W0_WIV is set to 0. * When TXINFO_W0_WIV is set to 1 it will use the IV data * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which * crypto entry in the registers should be used to encrypt the frame. */ _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */); _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */); /* * Initialize TX descriptor */ rt2x00_desc_read(txi, 0, &word); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, skb->len + TXWI_DESC_SIZE); rt2x00_set_field32(&word, TXINFO_W0_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2); rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_desc_write(txi, 0, word); } /* * TX data initialization */ static void rt2800usb_write_beacon(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; /* * Add the descriptor in front of the skb. */ skb_push(entry->skb, entry->queue->desc_size); memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); skbdesc->desc = entry->skb->data; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, USB_VENDOR_REQUEST_OUT, beacon_base, entry->skb->data, entry->skb->len, REGISTER_TIMEOUT32(entry->skb->len)); /* * Clean up the beacon skb. */ dev_kfree_skb(entry->skb); entry->skb = NULL; } static int rt2800usb_get_tx_data_len(struct queue_entry *entry) { int length; /* * The length _must_ include 4 bytes padding, * it should always be multiple of 4, * but it must _not_ be a multiple of the USB packet size. */ length = roundup(entry->skb->len + 4, 4); length += (4 * !(length % entry->queue->usb_maxpacket)); return length; } static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue) { u32 reg; if (queue != QID_BEACON) { rt2x00usb_kick_tx_queue(rt2x00dev, queue); return; } rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, ®); if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) { rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); } } /* * RX control handlers */ static void rt2800usb_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); __le32 *rxd = (__le32 *)entry->skb->data; __le32 *rxwi; u32 rxd0; u32 rxwi0; u32 rxwi1; u32 rxwi2; u32 rxwi3; /* * Copy descriptor to the skbdesc->desc buffer, making it safe from * moving of frame data in rt2x00usb. */ memcpy(skbdesc->desc, rxd, skbdesc->desc_len); rxd = (__le32 *)skbdesc->desc; rxwi = &rxd[RXD_DESC_SIZE / sizeof(__le32)]; /* * It is now safe to read the descriptor on all architectures. */ rt2x00_desc_read(rxd, 0, &rxd0); rt2x00_desc_read(rxwi, 0, &rxwi0); rt2x00_desc_read(rxwi, 1, &rxwi1); rt2x00_desc_read(rxwi, 2, &rxwi2); rt2x00_desc_read(rxwi, 3, &rxwi3); if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); rxdesc->cipher_status = rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR); } if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) { /* * Hardware has stripped IV/EIV data from 802.11 frame during * decryption. Unfortunately the descriptor doesn't contain * any fields with the EIV/IV data either, so they can't * be restored by rt2x00lib. */ rxdesc->flags |= RX_FLAG_IV_STRIPPED; if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) rxdesc->flags |= RX_FLAG_DECRYPTED; else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) rxdesc->flags |= RX_FLAG_MMIC_ERROR; } if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD)) rxdesc->dev_flags |= RXDONE_L2PAD; if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI)) rxdesc->flags |= RX_FLAG_SHORT_GI; if (rt2x00_get_field32(rxwi1, RXWI_W1_BW)) rxdesc->flags |= RX_FLAG_40MHZ; /* * Detect RX rate, always use MCS as signal type. */ rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE); rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS); /* * Mask of 0x8 bit to remove the short preamble flag. */ if (rxdesc->rate_mode == RATE_MODE_CCK) rxdesc->signal &= ~0x8; rxdesc->rssi = (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) + rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2; rxdesc->noise = (rt2x00_get_field32(rxwi3, RXWI_W3_SNR0) + rt2x00_get_field32(rxwi3, RXWI_W3_SNR1)) / 2; rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); /* * Remove RXWI descriptor from start of buffer. */ skb_pull(entry->skb, skbdesc->desc_len); skb_trim(entry->skb, rxdesc->size); } /* * Device probe functions. */ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) { u16 word; u8 *mac; u8 default_lna_gain; rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); /* * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); if (!is_valid_ether_addr(mac)) { DECLARE_MAC_BUF(macbuf); random_ether_addr(mac); EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); } rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2); rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1); rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820); rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) { /* * There is a max of 2 RX streams for RT2870 series */ if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2) rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2); rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0); rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0); rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0); rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0); rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0); rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0); rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0); rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0); rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); if ((word & 0x00ff) == 0x00ff) { rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE, LED_MODE_TXRX_ACTIVITY); rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8); EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); } /* * During the LNA validation we are going to use * lna0 as correct value. Note that EEPROM_LNA * is never validated. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word); default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0); if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1, default_lna_gain); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0); if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2, default_lna_gain); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word); return 0; } static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 value; u16 eeprom; /* * Read EEPROM word for configuration. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); /* * Identify RF chipset. */ value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); rt2x00usb_register_read(rt2x00dev, MAC_CSR0, ®); rt2x00_set_chip(rt2x00dev, RT2870, value, reg); /* * The check for rt2860 is not a typo, some rt2870 hardware * identifies itself as rt2860 in the CSR register. */ if (!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28600000) && !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28700000) && !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28800000) && !rt2x00_check_rev(&rt2x00dev->chip, 0xffff0000, 0x30700000)) { ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); return -ENODEV; } if (!rt2x00_rf(&rt2x00dev->chip, RF2820) && !rt2x00_rf(&rt2x00dev->chip, RF2850) && !rt2x00_rf(&rt2x00dev->chip, RF2720) && !rt2x00_rf(&rt2x00dev->chip, RF2750) && !rt2x00_rf(&rt2x00dev->chip, RF3020) && !rt2x00_rf(&rt2x00dev->chip, RF2020)) { ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); return -ENODEV; } /* * Identify default antenna configuration. */ rt2x00dev->default_ant.tx = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH); rt2x00dev->default_ant.rx = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH); /* * Read frequency offset and RF programming sequence. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); /* * Read external LNA informations. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A)) __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG)) __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); /* * Detect if this device has an hardware controlled radio. */ #ifdef CONFIG_RT2X00_LIB_RFKILL if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO)) __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); #endif /* CONFIG_RT2X00_LIB_RFKILL */ /* * Store led settings, for correct led behaviour. */ #ifdef CONFIG_RT2X00_LIB_LEDS rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY); rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &rt2x00dev->led_mcu_reg); #endif /* CONFIG_RT2X00_LIB_LEDS */ return 0; } /* * RF value list for rt2870 * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750) */ static const struct rf_channel rf_vals[] = { { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b }, { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f }, { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b }, { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f }, { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b }, { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f }, { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b }, { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f }, { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b }, { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f }, { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b }, { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f }, { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b }, { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 }, /* 802.11 UNI / HyperLan 2 */ { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 }, { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 }, { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 }, { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 }, { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b }, { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b }, { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 }, { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 }, { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b }, { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 }, { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 }, { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 }, /* 802.11 HyperLan 2 */ { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 }, { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 }, { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 }, { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 }, { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 }, { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b }, { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 }, { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 }, { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 }, { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 }, { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b }, { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 }, { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b }, { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 }, { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b }, { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 }, /* 802.11 UNII */ { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 }, { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 }, { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f }, { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f }, { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 }, { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 }, { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 }, { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f }, { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 }, { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 }, { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f }, /* 802.11 Japan */ { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b }, { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 }, { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b }, { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 }, { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 }, { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b }, { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 }, }; /* * RF value list for rt3070 * Supports: 2.4 GHz */ static const struct rf_channel rf_vals_3070[] = { {1, 241, 2, 2 }, {2, 241, 2, 7 }, {3, 242, 2, 2 }, {4, 242, 2, 7 }, {5, 243, 2, 2 }, {6, 243, 2, 7 }, {7, 244, 2, 2 }, {8, 244, 2, 7 }, {9, 245, 2, 2 }, {10, 245, 2, 7 }, {11, 246, 2, 2 }, {12, 246, 2, 7 }, {13, 247, 2, 2 }, {14, 248, 2, 4 }, }; static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; char *tx_power1; char *tx_power2; unsigned int i; u16 eeprom; /* * Initialize all hw fields. */ rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK; rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE; SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); /* * Initialize HT information. */ spec->ht.ht_supported = true; spec->ht.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_TX_STBC | IEEE80211_HT_CAP_RX_STBC | IEEE80211_HT_CAP_PSMP_SUPPORT; spec->ht.ampdu_factor = 3; spec->ht.ampdu_density = 4; spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED | IEEE80211_HT_MCS_TX_RX_DIFF | ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) { case 3: spec->ht.mcs.rx_mask[2] = 0xff; case 2: spec->ht.mcs.rx_mask[1] = 0xff; case 1: spec->ht.mcs.rx_mask[0] = 0xff; spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */ break; } /* * Initialize hw_mode information. */ spec->supported_bands = SUPPORT_BAND_2GHZ; spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; if (rt2x00_rf(&rt2x00dev->chip, RF2820) || rt2x00_rf(&rt2x00dev->chip, RF2720)) { spec->num_channels = 14; spec->channels = rf_vals; } else if (rt2x00_rf(&rt2x00dev->chip, RF2850) || rt2x00_rf(&rt2x00dev->chip, RF2750)) { spec->supported_bands |= SUPPORT_BAND_5GHZ; spec->num_channels = ARRAY_SIZE(rf_vals); spec->channels = rf_vals; } else if (rt2x00_rf(&rt2x00dev->chip, RF3020) || rt2x00_rf(&rt2x00dev->chip, RF2020)) { spec->num_channels = ARRAY_SIZE(rf_vals_3070); spec->channels = rf_vals_3070; } /* * Create channel information array */ info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; spec->channels_info = info; tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1); tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2); for (i = 0; i < 14; i++) { info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]); info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]); } if (spec->num_channels > 14) { tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1); tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2); for (i = 14; i < spec->num_channels; i++) { info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]); info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]); } } return 0; } static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; /* * Allocate eeprom data. */ retval = rt2800usb_validate_eeprom(rt2x00dev); if (retval) return retval; retval = rt2800usb_init_eeprom(rt2x00dev); if (retval) return retval; /* * Initialize hw specifications. */ retval = rt2800usb_probe_hw_mode(rt2x00dev); if (retval) return retval; /* * This device requires firmware. */ __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); if (!modparam_nohwcrypt) __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); /* * Set the rssi offset. */ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; return 0; } /* * IEEE80211 stack callback functions. */ static void rt2800usb_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32, u16 *iv16) { struct rt2x00_dev *rt2x00dev = hw->priv; struct mac_iveiv_entry iveiv_entry; u32 offset; offset = MAC_IVEIV_ENTRY(hw_key_idx); rt2x00usb_register_multiread(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16)); memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32)); } static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct rt2x00_dev *rt2x00dev = hw->priv; u32 reg; bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD); rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, ®); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value); rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, ®); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled); rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled); rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled); rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled); rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled); rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled); rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg); return 0; } static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; struct data_queue *queue; struct rt2x00_field32 field; int retval; u32 reg; u32 offset; /* * First pass the configuration through rt2x00lib, that will * update the queue settings and validate the input. After that * we are free to update the registers based on the value * in the queue parameter. */ retval = rt2x00mac_conf_tx(hw, queue_idx, params); if (retval) return retval; /* * We only need to perform additional register initialization * for WMM queues/ */ if (queue_idx >= 4) return 0; queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); /* Update WMM TXOP register */ offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2))); field.bit_offset = (queue_idx & 1) * 16; field.bit_mask = 0xffff << field.bit_offset; rt2x00usb_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, field, queue->txop); rt2x00usb_register_write(rt2x00dev, offset, reg); /* Update WMM registers */ field.bit_offset = queue_idx * 4; field.bit_mask = 0xf << field.bit_offset; rt2x00usb_register_read(rt2x00dev, WMM_AIFSN_CFG, ®); rt2x00_set_field32(®, field, queue->aifs); rt2x00usb_register_write(rt2x00dev, WMM_AIFSN_CFG, reg); rt2x00usb_register_read(rt2x00dev, WMM_CWMIN_CFG, ®); rt2x00_set_field32(®, field, queue->cw_min); rt2x00usb_register_write(rt2x00dev, WMM_CWMIN_CFG, reg); rt2x00usb_register_read(rt2x00dev, WMM_CWMAX_CFG, ®); rt2x00_set_field32(®, field, queue->cw_max); rt2x00usb_register_write(rt2x00dev, WMM_CWMAX_CFG, reg); /* Update EDCA registers */ offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx); rt2x00usb_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, EDCA_AC0_CFG_TX_OP, queue->txop); rt2x00_set_field32(®, EDCA_AC0_CFG_AIFSN, queue->aifs); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMIN, queue->cw_min); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMAX, queue->cw_max); rt2x00usb_register_write(rt2x00dev, offset, reg); return 0; } static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw) { struct rt2x00_dev *rt2x00dev = hw->priv; u64 tsf; u32 reg; rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW1, ®); tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32; rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW0, ®); tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD); return tsf; } static const struct ieee80211_ops rt2800usb_mac80211_ops = { .tx = rt2x00mac_tx, .start = rt2x00mac_start, .stop = rt2x00mac_stop, .add_interface = rt2x00mac_add_interface, .remove_interface = rt2x00mac_remove_interface, .config = rt2x00mac_config, .configure_filter = rt2x00mac_configure_filter, .set_key = rt2x00mac_set_key, .get_stats = rt2x00mac_get_stats, .get_tkip_seq = rt2800usb_get_tkip_seq, .set_rts_threshold = rt2800usb_set_rts_threshold, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2800usb_conf_tx, .get_tx_stats = rt2x00mac_get_tx_stats, .get_tsf = rt2800usb_get_tsf, }; static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .probe_hw = rt2800usb_probe_hw, .get_firmware_name = rt2800usb_get_firmware_name, .check_firmware = rt2800usb_check_firmware, .load_firmware = rt2800usb_load_firmware, .initialize = rt2x00usb_initialize, .uninitialize = rt2x00usb_uninitialize, .clear_entry = rt2x00usb_clear_entry, .set_device_state = rt2800usb_set_device_state, .rfkill_poll = rt2800usb_rfkill_poll, .link_stats = rt2800usb_link_stats, .reset_tuner = rt2800usb_reset_tuner, .link_tuner = rt2800usb_link_tuner, .write_tx_desc = rt2800usb_write_tx_desc, .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt2800usb_write_beacon, .get_tx_data_len = rt2800usb_get_tx_data_len, .kick_tx_queue = rt2800usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt2800usb_fill_rxdone, .config_shared_key = rt2800usb_config_shared_key, .config_pairwise_key = rt2800usb_config_pairwise_key, .config_filter = rt2800usb_config_filter, .config_intf = rt2800usb_config_intf, .config_erp = rt2800usb_config_erp, .config_ant = rt2800usb_config_ant, .config = rt2800usb_config, }; static const struct data_queue_desc rt2800usb_queue_rx = { .entry_num = RX_ENTRIES, .data_size = AGGREGATION_SIZE, .desc_size = RXD_DESC_SIZE + RXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_usb), }; static const struct data_queue_desc rt2800usb_queue_tx = { .entry_num = TX_ENTRIES, .data_size = AGGREGATION_SIZE, .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_usb), }; static const struct data_queue_desc rt2800usb_queue_bcn = { .entry_num = 8 * BEACON_ENTRIES, .data_size = MGMT_FRAME_SIZE, .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_usb), }; static const struct rt2x00_ops rt2800usb_ops = { .name = KBUILD_MODNAME, .max_sta_intf = 1, .max_ap_intf = 8, .eeprom_size = EEPROM_SIZE, .rf_size = RF_SIZE, .tx_queues = NUM_TX_QUEUES, .rx = &rt2800usb_queue_rx, .tx = &rt2800usb_queue_tx, .bcn = &rt2800usb_queue_bcn, .lib = &rt2800usb_rt2x00_ops, .hw = &rt2800usb_mac80211_ops, #ifdef CONFIG_RT2X00_LIB_DEBUGFS .debugfs = &rt2800usb_rt2x00debug, #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ }; /* * rt2800usb module information. */ static struct usb_device_id rt2800usb_device_table[] = { /* ??? */ { USB_DEVICE(0x177f, 0x0302), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Abocom */ { USB_DEVICE(0x07b8, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07b8, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07b8, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07b8, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07b8, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1482, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) }, /* AirTies */ { USB_DEVICE(0x1eda, 0x2310), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Amigo */ { USB_DEVICE(0x0e0b, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0e0b, 0x9041), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Amit */ { USB_DEVICE(0x15c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) }, /* ASUS */ { USB_DEVICE(0x0b05, 0x1731), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0b05, 0x1760), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0b05, 0x1761), USB_DEVICE_DATA(&rt2800usb_ops) }, /* AzureWave */ { USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x13d3, 0x3262), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x13d3, 0x3273), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x13d3, 0x3284), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Belkin */ { USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x050d, 0x815c), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Buffalo */ { USB_DEVICE(0x0411, 0x00e8), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0411, 0x012e), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Conceptronic */ { USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c08), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c12), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c23), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c25), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c27), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x14b2, 0x3c28), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Corega */ { USB_DEVICE(0x07aa, 0x002f), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07aa, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07aa, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x18c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x18c5, 0x0012), USB_DEVICE_DATA(&rt2800usb_ops) }, /* D-Link */ { USB_DEVICE(0x07d1, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07d1, 0x3c0a), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07d1, 0x3c0b), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07d1, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x07d1, 0x3c13), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Edimax */ { USB_DEVICE(0x7392, 0x7711), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x7392, 0x7717), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x7392, 0x7718), USB_DEVICE_DATA(&rt2800usb_ops) }, /* EnGenius */ { USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x9703), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x9705), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x9706), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x9801), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Gigabyte */ { USB_DEVICE(0x1044, 0x800b), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1044, 0x800c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1044, 0x800d), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Hawking */ { USB_DEVICE(0x0e66, 0x0001), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0e66, 0x0003), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0e66, 0x0009), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0e66, 0x000b), USB_DEVICE_DATA(&rt2800usb_ops) }, /* LevelOne */ { USB_DEVICE(0x1740, 0x0605), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1740, 0x0615), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Linksys */ { USB_DEVICE(0x1737, 0x0070), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1737, 0x0071), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1737, 0x0077), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Logitec */ { USB_DEVICE(0x0789, 0x0162), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0789, 0x0163), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0789, 0x0164), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Motorola */ { USB_DEVICE(0x100d, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x100d, 0x9032), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Ovislink */ { USB_DEVICE(0x1b75, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Pegatron */ { USB_DEVICE(0x1d4d, 0x0002), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x1d4d, 0x000c), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Philips */ { USB_DEVICE(0x0471, 0x200f), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Planex */ { USB_DEVICE(0x2019, 0xed06), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x2019, 0xab24), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x2019, 0xab25), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Qcom */ { USB_DEVICE(0x18e8, 0x6259), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Quanta */ { USB_DEVICE(0x1a32, 0x0304), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Ralink */ { USB_DEVICE(0x0db0, 0x6899), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x2070), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x148f, 0x3572), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Samsung */ { USB_DEVICE(0x04e8, 0x2018), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Siemens */ { USB_DEVICE(0x129b, 0x1828), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0017), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x002b), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x002c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x002d), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x0039), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x003b), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x003d), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x003e), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0df6, 0x0040), USB_DEVICE_DATA(&rt2800usb_ops) }, /* SMC */ { USB_DEVICE(0x083a, 0x6618), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0x7511), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0x7512), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0x7522), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0x8522), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0xa512), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0xa618), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0xb522), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x083a, 0xc522), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Sparklan */ { USB_DEVICE(0x15a9, 0x0006), USB_DEVICE_DATA(&rt2800usb_ops) }, /* U-Media*/ { USB_DEVICE(0x157e, 0x300e), USB_DEVICE_DATA(&rt2800usb_ops) }, /* ZCOM */ { USB_DEVICE(0x0cde, 0x0022), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0cde, 0x0025), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Zinwell */ { USB_DEVICE(0x5a57, 0x0280), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x5a57, 0x0282), USB_DEVICE_DATA(&rt2800usb_ops) }, /* Zyxel */ { USB_DEVICE(0x0586, 0x3416), USB_DEVICE_DATA(&rt2800usb_ops) }, { USB_DEVICE(0x0586, 0x341a), USB_DEVICE_DATA(&rt2800usb_ops) }, { 0, } }; MODULE_AUTHOR(DRV_PROJECT); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver."); MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards"); MODULE_DEVICE_TABLE(usb, rt2800usb_device_table); MODULE_FIRMWARE(FIRMWARE_RT2870); MODULE_LICENSE("GPL"); static struct usb_driver rt2800usb_driver = { .name = KBUILD_MODNAME, .id_table = rt2800usb_device_table, .probe = rt2x00usb_probe, .disconnect = rt2x00usb_disconnect, .suspend = rt2x00usb_suspend, .resume = rt2x00usb_resume, }; static int __init rt2800usb_init(void) { return usb_register(&rt2800usb_driver); } static void __exit rt2800usb_exit(void) { usb_deregister(&rt2800usb_driver); } module_init(rt2800usb_init); module_exit(rt2800usb_exit);