/* 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: rt2800pci Abstract: rt2800pci device specific routines. Supported chipsets: RT2800E & RT2800ED. */ #include #include #include #include #include #include #include #include #include #include "rt2x00.h" #include "rt2x00pci.h" #include "rt2x00soc.h" #include "rt2800pci.h" #ifdef CONFIG_RT2800PCI_PCI_MODULE #define CONFIG_RT2800PCI_PCI #endif #ifdef CONFIG_RT2800PCI_WISOC_MODULE #define CONFIG_RT2800PCI_WISOC #endif /* * 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 * rt2x00pci_register_read and rt2x00pci_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. */ #define WAIT_FOR_BBP(__dev, __reg) \ rt2x00pci_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR(__dev, __reg) \ rt2x00pci_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RF(__dev, __reg) \ rt2x00pci_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg)) #define WAIT_FOR_MCU(__dev, __reg) \ rt2x00pci_regbusy_read((__dev), H2M_MAILBOX_CSR, \ H2M_MAILBOX_CSR_OWNER, (__reg)) static void rt2800pci_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); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2x00pci_register_write(rt2x00dev, BBP_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800pci_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); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2x00pci_register_write(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 rt2800pci_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); rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800pci_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); rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG, reg); WAIT_FOR_RFCSR(rt2x00dev, ®); } *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA); mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800pci_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); rt2x00pci_register_write(rt2x00dev, RF_CSR_CFG0, reg); rt2x00_rf_write(rt2x00dev, word, value); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800pci_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1) { u32 reg; /* * RT2880 and RT3052 don't support MCU requests. */ if (rt2x00_rt(&rt2x00dev->chip, RT2880) || rt2x00_rt(&rt2x00dev->chip, RT3052)) return; 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); rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg); reg = 0; rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) { unsigned int i; u32 reg; for (i = 0; i < 200; i++) { rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CID, ®); if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) || (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) || (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) || (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token)) break; udelay(REGISTER_BUSY_DELAY); } if (i == 200) ERROR(rt2x00dev, "MCU request failed, no response from hardware\n"); rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); } #ifdef CONFIG_RT2800PCI_WISOC static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) { u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */ memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); } #else static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) { } #endif /* CONFIG_RT2800PCI_WISOC */ #ifdef CONFIG_RT2800PCI_PCI static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) { struct rt2x00_dev *rt2x00dev = eeprom->data; u32 reg; rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); eeprom->reg_data_clock = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); eeprom->reg_chip_select = !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); } static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) { struct rt2x00_dev *rt2x00dev = eeprom->data; u32 reg = 0; rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, !!eeprom->reg_data_clock); rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, !!eeprom->reg_chip_select); rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg); } static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) { struct eeprom_93cx6 eeprom; u32 reg; rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); eeprom.data = rt2x00dev; eeprom.register_read = rt2800pci_eepromregister_read; eeprom.register_write = rt2800pci_eepromregister_write; eeprom.width = !rt2x00_get_field32(reg, E2PROM_CSR_TYPE) ? PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; eeprom.reg_data_in = 0; eeprom.reg_data_out = 0; eeprom.reg_data_clock = 0; eeprom.reg_chip_select = 0; eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, EEPROM_SIZE / sizeof(u16)); } static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) { u32 reg; rt2x00pci_register_read(rt2x00dev, EFUSE_CTRL, ®); rt2x00_set_field32(®, EFUSE_CTRL_ADDRESS_IN, i); rt2x00_set_field32(®, EFUSE_CTRL_MODE, 0); rt2x00_set_field32(®, EFUSE_CTRL_KICK, 1); rt2x00pci_register_write(rt2x00dev, EFUSE_CTRL, reg); /* Wait until the EEPROM has been loaded */ rt2x00pci_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, ®); /* Apparently the data is read from end to start */ rt2x00pci_register_read(rt2x00dev, EFUSE_DATA3, (u32 *)&rt2x00dev->eeprom[i]); rt2x00pci_register_read(rt2x00dev, EFUSE_DATA2, (u32 *)&rt2x00dev->eeprom[i + 2]); rt2x00pci_register_read(rt2x00dev, EFUSE_DATA1, (u32 *)&rt2x00dev->eeprom[i + 4]); rt2x00pci_register_read(rt2x00dev, EFUSE_DATA0, (u32 *)&rt2x00dev->eeprom[i + 6]); } static void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) { unsigned int i; for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8) rt2800pci_efuse_read(rt2x00dev, i); } #else static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) { } static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) { } #endif /* CONFIG_RT2800PCI_PCI */ #ifdef CONFIG_RT2X00_LIB_DEBUGFS static const struct rt2x00debug rt2800pci_rt2x00debug = { .owner = THIS_MODULE, .csr = { .read = rt2x00pci_register_read, .write = rt2x00pci_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 = rt2800pci_bbp_read, .write = rt2800pci_bbp_write, .word_base = BBP_BASE, .word_size = sizeof(u8), .word_count = BBP_SIZE / sizeof(u8), }, .rf = { .read = rt2x00_rf_read, .write = rt2800pci_rf_write, .word_base = RF_BASE, .word_size = sizeof(u32), .word_count = RF_SIZE / sizeof(u32), }, }; #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ static int rt2800pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2x00pci_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2); } #ifdef CONFIG_RT2X00_LIB_LEDS static void rt2800pci_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) { rt2800pci_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? 0x20 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2800pci_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 */ rt2800pci_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, (1 << brightness / (LED_FULL / 6)) - 1, polarity); } } static int rt2800pci_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; rt2x00pci_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); rt2x00pci_register_write(led->rt2x00dev, LED_CFG, reg); return 0; } static void rt2800pci_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 = rt2800pci_brightness_set; led->led_dev.blink_set = rt2800pci_blink_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static void rt2800pci_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); rt2x00pci_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); rt2x00pci_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; rt2x00pci_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); rt2x00pci_register_multiwrite(rt2x00dev, offset, &wcid_entry, sizeof(wcid_entry)); } static int rt2800pci_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; 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); rt2x00pci_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * 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); rt2x00pci_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, field, (crypto->cmd == SET_KEY) * crypto->cipher); rt2x00pci_register_write(rt2x00dev, offset, reg); /* * Update WCID information */ rt2800pci_config_wcid_attr(rt2x00dev, crypto, key); return 0; } static int rt2800pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; 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); rt2x00pci_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * Update WCID information */ rt2800pci_config_wcid_attr(rt2x00dev, crypto, key); return 0; } static void rt2800pci_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. */ rt2x00pci_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_PSPOLL)); 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)); rt2x00pci_register_write(rt2x00dev, RX_FILTER_CFG, reg); } static void rt2800pci_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); rt2x00pci_register_write(rt2x00dev, beacon_base, 0); /* * Enable synchronisation. */ rt2x00pci_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); rt2x00pci_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); rt2x00pci_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); rt2x00pci_register_multiwrite(rt2x00dev, MAC_BSSID_DW0, conf->bssid, sizeof(conf->bssid)); } } static void rt2800pci_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) { u32 reg; rt2x00pci_register_read(rt2x00dev, TX_TIMEOUT_CFG, ®); rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 0x20); rt2x00pci_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, AUTO_RSP_CFG, reg); rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, erp->cts_protection ? 2 : 0); rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2x00pci_register_write(rt2x00dev, LEGACY_BASIC_RATE, erp->basic_rates); rt2x00pci_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, XIFS_TIME_CFG, reg); rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, erp->beacon_int * 16); rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); } static void rt2800pci_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r1; u8 r3; rt2800pci_bbp_read(rt2x00dev, 1, &r1); rt2800pci_bbp_read(rt2x00dev, 3, &r3); /* * Configure the TX antenna. */ switch ((int)ant->tx) { case 1: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0); rt2x00_set_field8(&r3, BBP3_RX_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; } rt2800pci_bbp_write(rt2x00dev, 3, r3); rt2800pci_bbp_write(rt2x00dev, 1, r1); } static void rt2800pci_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 rt2800pci_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)); rt2800pci_rf_write(rt2x00dev, 1, rf->rf1); rt2800pci_rf_write(rt2x00dev, 2, rf->rf2); rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800pci_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800pci_rf_write(rt2x00dev, 1, rf->rf1); rt2800pci_rf_write(rt2x00dev, 2, rf->rf2); rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); rt2800pci_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800pci_rf_write(rt2x00dev, 1, rf->rf1); rt2800pci_rf_write(rt2x00dev, 2, rf->rf2); rt2800pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800pci_rf_write(rt2x00dev, 4, rf->rf4); } static void rt2800pci_config_channel_rt3x(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800pci_rfcsr_write(rt2x00dev, 2, rf->rf1); rt2800pci_rfcsr_write(rt2x00dev, 2, rf->rf3); rt2800pci_rfcsr_read(rt2x00dev, 6, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2); rt2800pci_rfcsr_write(rt2x00dev, 6, rfcsr); rt2800pci_rfcsr_read(rt2x00dev, 12, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, TXPOWER_G_TO_DEV(info->tx_power1)); rt2800pci_rfcsr_write(rt2x00dev, 12, rfcsr); rt2800pci_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800pci_rfcsr_write(rt2x00dev, 23, rfcsr); rt2800pci_rfcsr_write(rt2x00dev, 24, rt2x00dev->calibration[conf_is_ht40(conf)]); rt2800pci_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800pci_rfcsr_write(rt2x00dev, 23, rfcsr); } static void rt2800pci_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) rt2800pci_config_channel_rt2x(rt2x00dev, conf, rf, info); else rt2800pci_config_channel_rt3x(rt2x00dev, conf, rf, info); /* * Change BBP settings */ rt2800pci_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800pci_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800pci_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800pci_bbp_write(rt2x00dev, 86, 0); if (rf->channel <= 14) { if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { rt2800pci_bbp_write(rt2x00dev, 82, 0x62); rt2800pci_bbp_write(rt2x00dev, 75, 0x46); } else { rt2800pci_bbp_write(rt2x00dev, 82, 0x84); rt2800pci_bbp_write(rt2x00dev, 75, 0x50); } } else { rt2800pci_bbp_write(rt2x00dev, 82, 0xf2); if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) rt2800pci_bbp_write(rt2x00dev, 75, 0x46); else rt2800pci_bbp_write(rt2x00dev, 75, 0x50); } rt2x00pci_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); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); rt2800pci_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf)); rt2800pci_bbp_write(rt2x00dev, 4, bbp); rt2800pci_bbp_read(rt2x00dev, 3, &bbp); rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf)); rt2800pci_bbp_write(rt2x00dev, 3, bbp); if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) { if (conf_is_ht40(conf)) { rt2800pci_bbp_write(rt2x00dev, 69, 0x1a); rt2800pci_bbp_write(rt2x00dev, 70, 0x0a); rt2800pci_bbp_write(rt2x00dev, 73, 0x16); } else { rt2800pci_bbp_write(rt2x00dev, 69, 0x16); rt2800pci_bbp_write(rt2x00dev, 70, 0x08); rt2800pci_bbp_write(rt2x00dev, 73, 0x11); } } msleep(1); } static void rt2800pci_config_txpower(struct rt2x00_dev *rt2x00dev, const int txpower) { u32 reg; u32 value = TXPOWER_G_TO_DEV(txpower); u8 r1; rt2800pci_bbp_read(rt2x00dev, 1, &r1); rt2x00_set_field8(®, BBP1_TX_POWER, 0); rt2800pci_bbp_write(rt2x00dev, 1, r1); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_0, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_1, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_2, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_3, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_PWR_CFG_4, reg); } static void rt2800pci_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_RTY_CFG, reg); } static void rt2800pci_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) { rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } else { rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); } } static void rt2800pci_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { /* Always recalculate LNA gain before changing configuration */ rt2800pci_config_lna_gain(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_CHANNEL) rt2800pci_config_channel(rt2x00dev, libconf->conf, &libconf->rf, &libconf->channel); if (flags & IEEE80211_CONF_CHANGE_POWER) rt2800pci_config_txpower(rt2x00dev, libconf->conf->power_level); if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) rt2800pci_config_retry_limit(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_PS) rt2800pci_config_ps(rt2x00dev, libconf); } /* * Link tuning */ static void rt2800pci_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { u32 reg; /* * Update FCS error count from register. */ rt2x00pci_register_read(rt2x00dev, RX_STA_CNT0, ®); qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR); } static u8 rt2800pci_get_default_vgc(struct rt2x00_dev *rt2x00dev) { if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) 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 rt2800pci_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { if (qual->vgc_level != vgc_level) { rt2800pci_bbp_write(rt2x00dev, 66, vgc_level); qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } static void rt2800pci_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { rt2800pci_set_vgc(rt2x00dev, qual, rt2800pci_get_default_vgc(rt2x00dev)); } static void rt2800pci_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 */ rt2800pci_set_vgc(rt2x00dev, qual, rt2800pci_get_default_vgc(rt2x00dev) + ((qual->rssi > -80) * 0x10)); } /* * Firmware functions */ static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) { return FIRMWARE_RT2860; } static int rt2800pci_check_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { u16 fw_crc; u16 crc; /* * Only support 8kb firmware files. */ if (len != 8192) return FW_BAD_LENGTH; /* * 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) ? FW_OK : FW_BAD_CRC; } static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { unsigned int i; u32 reg; /* * Wait for stable hardware. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); if (reg && reg != ~0) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { ERROR(rt2x00dev, "Unstable hardware.\n"); return -EBUSY; } rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002); rt2x00pci_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); /* * Disable DMA, will be reenabled later when enabling * the radio. */ rt2x00pci_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_TX_WRITEBACK_DONE, 1); rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); /* * enable Host program ram write selection */ reg = 0; rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, reg); /* * Write firmware to device. */ rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, data, len); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); /* * Wait for device to stabilize. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_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; } /* * Disable interrupts */ rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF); /* * Initialize BBP R/W access agent */ rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); return 0; } /* * Initialization functions. */ static bool rt2800pci_get_entry_state(struct queue_entry *entry) { struct queue_entry_priv_pci *entry_priv = entry->priv_data; u32 word; if (entry->queue->qid == QID_RX) { rt2x00_desc_read(entry_priv->desc, 1, &word); return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); } else { rt2x00_desc_read(entry_priv->desc, 1, &word); return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); } } static void rt2800pci_clear_entry(struct queue_entry *entry) { struct queue_entry_priv_pci *entry_priv = entry->priv_data; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); u32 word; if (entry->queue->qid == QID_RX) { rt2x00_desc_read(entry_priv->desc, 0, &word); rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); rt2x00_desc_write(entry_priv->desc, 0, word); rt2x00_desc_read(entry_priv->desc, 1, &word); rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); rt2x00_desc_write(entry_priv->desc, 1, word); } else { rt2x00_desc_read(entry_priv->desc, 1, &word); rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); rt2x00_desc_write(entry_priv->desc, 1, word); } } static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) { struct queue_entry_priv_pci *entry_priv; u32 reg; rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, ®); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); /* * Initialize registers. */ entry_priv = rt2x00dev->tx[0].entries[0].priv_data; rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit); rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX0, 0); rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX0, 0); entry_priv = rt2x00dev->tx[1].entries[0].priv_data; rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit); rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX1, 0); rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX1, 0); entry_priv = rt2x00dev->tx[2].entries[0].priv_data; rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit); rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX2, 0); rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX2, 0); entry_priv = rt2x00dev->tx[3].entries[0].priv_data; rt2x00pci_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit); rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX3, 0); rt2x00pci_register_write(rt2x00dev, TX_DTX_IDX3, 0); entry_priv = rt2x00dev->rx->entries[0].priv_data; rt2x00pci_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit); rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1); rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0); /* * Enable global DMA configuration */ rt2x00pci_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); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0); return 0; } static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) { u32 reg; unsigned int i; rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); rt2x00pci_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 */ rt2x00pci_register_write(rt2x00dev, BCN_OFFSET0, reg); rt2x00pci_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 */ rt2x00pci_register_write(rt2x00dev, BCN_OFFSET1, reg); rt2x00pci_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f); rt2x00pci_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); rt2x00pci_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000); rt2x00pci_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_LINK_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, MAX_LEN_CFG, reg); rt2x00pci_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, AUTO_RSP_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, CCK_PROT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, GF40_PROT_CFG, reg); rt2x00pci_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f); rt2x00pci_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2x00pci_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca); rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); /* * ASIC will keep garbage value after boot, clear encryption keys. */ for (i = 0; i < 4; i++) rt2x00pci_register_write(rt2x00dev, SHARED_KEY_MODE_ENTRY(i), 0); for (i = 0; i < 256; i++) { u32 wcid[2] = { 0xffffffff, 0x00ffffff }; rt2x00pci_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i), wcid, sizeof(wcid)); rt2x00pci_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1); rt2x00pci_register_write(rt2x00dev, MAC_IVEIV_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. */ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE4, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE5, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE6, 0); rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE7, 0); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, HT_FBK_CFG0, reg); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, HT_FBK_CFG1, reg); rt2x00pci_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, 9); 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); rt2x00pci_register_write(rt2x00dev, LG_FBK_CFG0, reg); rt2x00pci_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); rt2x00pci_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. */ rt2x00pci_register_read(rt2x00dev, RX_STA_CNT0, ®); rt2x00pci_register_read(rt2x00dev, RX_STA_CNT1, ®); rt2x00pci_register_read(rt2x00dev, RX_STA_CNT2, ®); rt2x00pci_register_read(rt2x00dev, TX_STA_CNT0, ®); rt2x00pci_register_read(rt2x00dev, TX_STA_CNT1, ®); rt2x00pci_register_read(rt2x00dev, TX_STA_CNT2, ®); return 0; } static int rt2800pci_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_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 rt2800pci_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. */ rt2x00pci_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); msleep(1); for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800pci_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 rt2800pci_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; u16 eeprom; u8 reg_id; u8 value; if (unlikely(rt2800pci_wait_bbp_rf_ready(rt2x00dev) || rt2800pci_wait_bbp_ready(rt2x00dev))) return -EACCES; rt2800pci_bbp_write(rt2x00dev, 65, 0x2c); rt2800pci_bbp_write(rt2x00dev, 66, 0x38); rt2800pci_bbp_write(rt2x00dev, 69, 0x12); rt2800pci_bbp_write(rt2x00dev, 70, 0x0a); rt2800pci_bbp_write(rt2x00dev, 73, 0x10); rt2800pci_bbp_write(rt2x00dev, 81, 0x37); rt2800pci_bbp_write(rt2x00dev, 82, 0x62); rt2800pci_bbp_write(rt2x00dev, 83, 0x6a); rt2800pci_bbp_write(rt2x00dev, 84, 0x99); rt2800pci_bbp_write(rt2x00dev, 86, 0x00); rt2800pci_bbp_write(rt2x00dev, 91, 0x04); rt2800pci_bbp_write(rt2x00dev, 92, 0x00); rt2800pci_bbp_write(rt2x00dev, 103, 0x00); rt2800pci_bbp_write(rt2x00dev, 105, 0x05); if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) { rt2800pci_bbp_write(rt2x00dev, 69, 0x16); rt2800pci_bbp_write(rt2x00dev, 73, 0x12); } if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION) rt2800pci_bbp_write(rt2x00dev, 84, 0x19); if (rt2x00_rt(&rt2x00dev->chip, RT3052)) { rt2800pci_bbp_write(rt2x00dev, 31, 0x08); rt2800pci_bbp_write(rt2x00dev, 78, 0x0e); rt2800pci_bbp_write(rt2x00dev, 80, 0x08); } 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); rt2800pci_bbp_write(rt2x00dev, reg_id, value); } } return 0; } static u8 rt2800pci_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; rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24); rt2800pci_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40); rt2800pci_bbp_write(rt2x00dev, 4, bbp); rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1); rt2800pci_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set power & frequency of passband test tone */ rt2800pci_bbp_write(rt2x00dev, 24, 0); for (i = 0; i < 100; i++) { rt2800pci_bbp_write(rt2x00dev, 25, 0x90); msleep(1); rt2800pci_bbp_read(rt2x00dev, 55, &passband); if (passband) break; } /* * Set power & frequency of stopband test tone */ rt2800pci_bbp_write(rt2x00dev, 24, 0x06); for (i = 0; i < 100; i++) { rt2800pci_bbp_write(rt2x00dev, 25, 0x90); msleep(1); rt2800pci_bbp_read(rt2x00dev, 55, &stopband); if ((passband - stopband) <= filter_target) { rfcsr24++; overtuned += ((passband - stopband) == filter_target); } else break; rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24); } rfcsr24 -= !!overtuned; rt2800pci_rfcsr_write(rt2x00dev, 24, rfcsr24); return rfcsr24; } static int rt2800pci_init_rfcsr(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; u8 bbp; if (!rt2x00_rf(&rt2x00dev->chip, RF3020) && !rt2x00_rf(&rt2x00dev->chip, RF3021) && !rt2x00_rf(&rt2x00dev->chip, RF3022)) return 0; /* * Init RF calibration. */ rt2800pci_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800pci_rfcsr_write(rt2x00dev, 30, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800pci_rfcsr_write(rt2x00dev, 30, rfcsr); rt2800pci_rfcsr_write(rt2x00dev, 0, 0x50); rt2800pci_rfcsr_write(rt2x00dev, 1, 0x01); rt2800pci_rfcsr_write(rt2x00dev, 2, 0xf7); rt2800pci_rfcsr_write(rt2x00dev, 3, 0x75); rt2800pci_rfcsr_write(rt2x00dev, 4, 0x40); rt2800pci_rfcsr_write(rt2x00dev, 5, 0x03); rt2800pci_rfcsr_write(rt2x00dev, 6, 0x02); rt2800pci_rfcsr_write(rt2x00dev, 7, 0x50); rt2800pci_rfcsr_write(rt2x00dev, 8, 0x39); rt2800pci_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800pci_rfcsr_write(rt2x00dev, 10, 0x60); rt2800pci_rfcsr_write(rt2x00dev, 11, 0x21); rt2800pci_rfcsr_write(rt2x00dev, 12, 0x75); rt2800pci_rfcsr_write(rt2x00dev, 13, 0x75); rt2800pci_rfcsr_write(rt2x00dev, 14, 0x90); rt2800pci_rfcsr_write(rt2x00dev, 15, 0x58); rt2800pci_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800pci_rfcsr_write(rt2x00dev, 17, 0x92); rt2800pci_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800pci_rfcsr_write(rt2x00dev, 19, 0x02); rt2800pci_rfcsr_write(rt2x00dev, 20, 0xba); rt2800pci_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800pci_rfcsr_write(rt2x00dev, 22, 0x00); rt2800pci_rfcsr_write(rt2x00dev, 23, 0x31); rt2800pci_rfcsr_write(rt2x00dev, 24, 0x08); rt2800pci_rfcsr_write(rt2x00dev, 25, 0x01); rt2800pci_rfcsr_write(rt2x00dev, 26, 0x25); rt2800pci_rfcsr_write(rt2x00dev, 27, 0x23); rt2800pci_rfcsr_write(rt2x00dev, 28, 0x13); rt2800pci_rfcsr_write(rt2x00dev, 29, 0x83); /* * Set RX Filter calibration for 20MHz and 40MHz */ rt2x00dev->calibration[0] = rt2800pci_init_rx_filter(rt2x00dev, false, 0x07, 0x16); rt2x00dev->calibration[1] = rt2800pci_init_rx_filter(rt2x00dev, true, 0x27, 0x19); /* * Set back to initial state */ rt2800pci_bbp_write(rt2x00dev, 24, 0); rt2800pci_rfcsr_read(rt2x00dev, 22, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0); rt2800pci_rfcsr_write(rt2x00dev, 22, rfcsr); /* * set BBP back to BW20 */ rt2800pci_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0); rt2800pci_bbp_write(rt2x00dev, 4, bbp); return 0; } /* * Device state switch handlers. */ static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state) { u32 reg; rt2x00pci_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)); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); } static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, enum dev_state state) { int mask = (state == STATE_RADIO_IRQ_ON); u32 reg; /* * When interrupts are being enabled, the interrupt registers * should clear the register to assure a clean state. */ if (state == STATE_RADIO_IRQ_ON) { rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); } rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, mask); rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, mask); rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, mask); rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, mask); rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, mask); rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, mask); rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, mask); rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, mask); rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); } static int rt2800pci_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_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 rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 word; /* * Initialize all registers. */ if (unlikely(rt2800pci_wait_wpdma_ready(rt2x00dev) || rt2800pci_init_queues(rt2x00dev) || rt2800pci_init_registers(rt2x00dev) || rt2800pci_wait_wpdma_ready(rt2x00dev) || rt2800pci_init_bbp(rt2x00dev) || rt2800pci_init_rfcsr(rt2x00dev))) return -EIO; /* * Send signal to firmware during boot time. */ rt2800pci_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0); /* * Enable RX. */ rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); /* * Initialize LED control */ rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word); rt2800pci_mcu_request(rt2x00dev, MCU_LED_1, 0xff, word & 0xff, (word >> 8) & 0xff); rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word); rt2800pci_mcu_request(rt2x00dev, MCU_LED_2, 0xff, word & 0xff, (word >> 8) & 0xff); rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word); rt2800pci_mcu_request(rt2x00dev, MCU_LED_3, 0xff, word & 0xff, (word >> 8) & 0xff); return 0; } static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2x00pci_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_TX_WRITEBACK_DONE, 1); rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, 0); rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0); rt2x00pci_register_write(rt2x00dev, TX_PIN_CFG, 0); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280); rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, ®); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); /* Wait for DMA, ignore error */ rt2800pci_wait_wpdma_ready(rt2x00dev); } static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { /* * Always put the device to sleep (even when we intend to wakeup!) * if the device is booting and wasn't asleep it will return * failure when attempting to wakeup. */ rt2800pci_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2); if (state == STATE_AWAKE) { rt2800pci_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0); rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); } return 0; } static int rt2800pci_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 then the radio can be enabled. */ rt2800pci_set_state(rt2x00dev, STATE_AWAKE); msleep(1); retval = rt2800pci_enable_radio(rt2x00dev); break; case STATE_RADIO_OFF: /* * After the radio has been disabled, the device should * be put to sleep for powersaving. */ rt2800pci_disable_radio(rt2x00dev); rt2800pci_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: rt2800pci_toggle_rx(rt2x00dev, state); break; case STATE_RADIO_IRQ_ON: case STATE_RADIO_IRQ_OFF: rt2800pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: case STATE_STANDBY: case STATE_AWAKE: retval = rt2800pci_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 rt2800pci_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 *txd = skbdesc->desc; __le32 *txwi = (__le32 *)(skb->data - rt2x00dev->hw->extra_tx_headroom); 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->queue->qid + 1); rt2x00_desc_write(txwi, 1, word); /* * Always write 0 to IV/EIV fields, hardware will insert the IV * from the IVEIV register when ENTRY_TXD_ENCRYPT_IV is set to 0. * When ENTRY_TXD_ENCRYPT_IV 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] */); /* * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 * must contains a TXWI structure + 802.11 header + padding + 802.11 * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 * data. It means that LAST_SEC0 is always 0. */ /* * Initialize TX descriptor */ rt2x00_desc_read(txd, 0, &word); rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); rt2x00_desc_write(txd, 0, word); rt2x00_desc_read(txd, 1, &word); rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len); rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W1_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W1_SD_LEN0, rt2x00dev->hw->extra_tx_headroom); rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); rt2x00_set_field32(&word, TXD_W2_SD_PTR1, skbdesc->skb_dma + rt2x00dev->hw->extra_tx_headroom); rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); rt2x00_set_field32(&word, TXD_W3_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W3_QSEL, 2); rt2x00_desc_write(txd, 3, word); } /* * TX data initialization */ static void rt2800pci_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; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); rt2x00pci_register_multiwrite(rt2x00dev, beacon_base, skbdesc->desc, skbdesc->desc_len); rt2x00pci_register_multiwrite(rt2x00dev, beacon_base + skbdesc->desc_len, entry->skb->data, entry->skb->len); /* * Clean up beacon skb. */ dev_kfree_skb_any(entry->skb); entry->skb = NULL; } static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue_idx) { struct data_queue *queue; unsigned int idx, qidx = 0; u32 reg; if (queue_idx == QID_BEACON) { rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); } return; } if (queue_idx > QID_HCCA && queue_idx != QID_MGMT) return; queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); idx = queue->index[Q_INDEX]; if (queue_idx == QID_MGMT) qidx = 5; else qidx = queue_idx; rt2x00pci_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx); } static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid qid) { u32 reg; if (qid == QID_BEACON) { rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, 0); return; } rt2x00pci_register_read(rt2x00dev, WPDMA_RST_IDX, ®); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE)); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK)); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI)); rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO)); rt2x00pci_register_write(rt2x00dev, WPDMA_RST_IDX, reg); } /* * RX control handlers */ static void rt2800pci_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); struct queue_entry_priv_pci *entry_priv = entry->priv_data; __le32 *rxd = entry_priv->desc; __le32 *rxwi = (__le32 *)entry->skb->data; u32 rxd3; u32 rxwi0; u32 rxwi1; u32 rxwi2; u32 rxwi3; rt2x00_desc_read(rxd, 3, &rxd3); 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(rxd3, RXD_W3_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { /* * Unfortunately we don't know the cipher type used during * decryption. This prevents us from correct providing * correct statistics through debugfs. */ rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); rxdesc->cipher_status = rt2x00_get_field32(rxd3, RXD_W3_CIPHER_ERROR); } if (rt2x00_get_field32(rxd3, RXD_W3_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(rxd3, RXD_W3_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; if (rt2x00_get_field32(rxd3, RXD_W3_L2PAD)) { rxdesc->dev_flags |= RXDONE_L2PAD; skbdesc->flags |= SKBDESC_L2_PADDED; } 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); /* * Set RX IDX in register to inform hardware that we have handled * this entry and it is available for reuse again. */ rt2x00pci_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx); /* * Remove TXWI descriptor from start of buffer. */ skb_pull(entry->skb, RXWI_DESC_SIZE); skb_trim(entry->skb, rxdesc->size); } /* * Interrupt functions. */ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; struct queue_entry *entry_done; struct queue_entry_priv_pci *entry_priv; struct txdone_entry_desc txdesc; u32 word; u32 reg; u32 old_reg; unsigned int type; unsigned int index; u16 mcs, real_mcs; /* * During each loop we will compare the freshly read * TX_STA_FIFO register value with the value read from * the previous loop. If the 2 values are equal then * we should stop processing because the chance it * quite big that the device has been unplugged and * we risk going into an endless loop. */ old_reg = 0; while (1) { rt2x00pci_register_read(rt2x00dev, TX_STA_FIFO, ®); if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID)) break; if (old_reg == reg) break; old_reg = reg; /* * Skip this entry when it contains an invalid * queue identication number. */ type = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE) - 1; if (type >= QID_RX) continue; queue = rt2x00queue_get_queue(rt2x00dev, type); if (unlikely(!queue)) continue; /* * Skip this entry when it contains an invalid * index number. */ index = rt2x00_get_field32(reg, TX_STA_FIFO_WCID) - 1; if (unlikely(index >= queue->limit)) continue; entry = &queue->entries[index]; entry_priv = entry->priv_data; rt2x00_desc_read((__le32 *)entry->skb->data, 0, &word); entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE); while (entry != entry_done) { /* * Catch up. * Just report any entries we missed as failed. */ WARNING(rt2x00dev, "TX status report missed for entry %d\n", entry_done->entry_idx); txdesc.flags = 0; __set_bit(TXDONE_UNKNOWN, &txdesc.flags); txdesc.retry = 0; rt2x00lib_txdone(entry_done, &txdesc); entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE); } /* * Obtain the status about this packet. */ txdesc.flags = 0; if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS)) __set_bit(TXDONE_SUCCESS, &txdesc.flags); else __set_bit(TXDONE_FAILURE, &txdesc.flags); /* * Ralink has a retry mechanism using a global fallback * table. We setup this fallback table to try immediate * lower rate for all rates. In the TX_STA_FIFO, * the MCS field contains the MCS used for the successfull * transmission. If the first transmission succeed, * we have mcs == tx_mcs. On the second transmission, * we have mcs = tx_mcs - 1. So the number of * retry is (tx_mcs - mcs). */ mcs = rt2x00_get_field32(word, TXWI_W0_MCS); real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS); __set_bit(TXDONE_FALLBACK, &txdesc.flags); txdesc.retry = mcs - min(mcs, real_mcs); rt2x00lib_txdone(entry, &txdesc); } } static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) { struct rt2x00_dev *rt2x00dev = dev_instance; u32 reg; /* Read status and ACK all interrupts */ rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); if (!reg) return IRQ_NONE; if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) return IRQ_HANDLED; /* * 1 - Rx ring done interrupt. */ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) rt2x00pci_rxdone(rt2x00dev); if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) rt2800pci_txdone(rt2x00dev); return IRQ_HANDLED; } /* * Device probe functions. */ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) { u16 word; u8 *mac; u8 default_lna_gain; /* * Read EEPROM into buffer */ switch(rt2x00dev->chip.rt) { case RT2880: case RT3052: rt2800pci_read_eeprom_soc(rt2x00dev); break; case RT3090: rt2800pci_read_eeprom_efuse(rt2x00dev); break; default: rt2800pci_read_eeprom_pci(rt2x00dev); break; } /* * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); if (!is_valid_ether_addr(mac)) { random_ether_addr(mac); EEPROM(rt2x00dev, "MAC: %pM\n", 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 RT2860 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 rt2800pci_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); rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); rt2x00_set_chip_rf(rt2x00dev, value, reg); 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) && !rt2x00_rf(&rt2x00dev->chip, RF3021) && !rt2x00_rf(&rt2x00dev->chip, RF3022)) { 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. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO)) __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); /* * Store led settings, for correct led behaviour. */ #ifdef CONFIG_RT2X00_LIB_LEDS rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); rt2800pci_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); rt2800pci_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 rt2860 * 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 }, /* 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 }, }; static int rt2800pci_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 = 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 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) || rt2x00_rf(&rt2x00dev->chip, RF3020) || rt2x00_rf(&rt2x00dev->chip, RF3021) || rt2x00_rf(&rt2x00dev->chip, RF3022) || rt2x00_rf(&rt2x00dev->chip, RF2020) || rt2x00_rf(&rt2x00dev->chip, RF3052)) { 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; } /* * 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; } /* * 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 rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; /* * Allocate eeprom data. */ retval = rt2800pci_validate_eeprom(rt2x00dev); if (retval) return retval; retval = rt2800pci_init_eeprom(rt2x00dev); if (retval) return retval; /* * Initialize hw specifications. */ retval = rt2800pci_probe_hw_mode(rt2x00dev); if (retval) return retval; /* * This device has multiple filters for control frames * and has a separate filter for PS Poll frames. */ __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags); __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags); /* * This device requires firmware. */ if (!rt2x00_rt(&rt2x00dev->chip, RT2880) && !rt2x00_rt(&rt2x00dev->chip, RT3052)) __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_DMA, &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 rt2800pci_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); rt2x00pci_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 rt2800pci_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct rt2x00_dev *rt2x00dev = hw->priv; u32 reg; bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD); rt2x00pci_register_read(rt2x00dev, TX_RTS_CFG, ®); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value); rt2x00pci_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2x00pci_register_read(rt2x00dev, CCK_PROT_CFG, ®); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled); rt2x00pci_register_write(rt2x00dev, CCK_PROT_CFG, reg); rt2x00pci_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled); rt2x00pci_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2x00pci_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled); rt2x00pci_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2x00pci_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled); rt2x00pci_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2x00pci_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled); rt2x00pci_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2x00pci_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled); rt2x00pci_register_write(rt2x00dev, GF40_PROT_CFG, reg); return 0; } static int rt2800pci_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; rt2x00pci_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, field, queue->txop); rt2x00pci_register_write(rt2x00dev, offset, reg); /* Update WMM registers */ field.bit_offset = queue_idx * 4; field.bit_mask = 0xf << field.bit_offset; rt2x00pci_register_read(rt2x00dev, WMM_AIFSN_CFG, ®); rt2x00_set_field32(®, field, queue->aifs); rt2x00pci_register_write(rt2x00dev, WMM_AIFSN_CFG, reg); rt2x00pci_register_read(rt2x00dev, WMM_CWMIN_CFG, ®); rt2x00_set_field32(®, field, queue->cw_min); rt2x00pci_register_write(rt2x00dev, WMM_CWMIN_CFG, reg); rt2x00pci_register_read(rt2x00dev, WMM_CWMAX_CFG, ®); rt2x00_set_field32(®, field, queue->cw_max); rt2x00pci_register_write(rt2x00dev, WMM_CWMAX_CFG, reg); /* Update EDCA registers */ offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx); rt2x00pci_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); rt2x00pci_register_write(rt2x00dev, offset, reg); return 0; } static u64 rt2800pci_get_tsf(struct ieee80211_hw *hw) { struct rt2x00_dev *rt2x00dev = hw->priv; u64 tsf; u32 reg; rt2x00pci_register_read(rt2x00dev, TSF_TIMER_DW1, ®); tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32; rt2x00pci_register_read(rt2x00dev, TSF_TIMER_DW0, ®); tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD); return tsf; } static const struct ieee80211_ops rt2800pci_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 = rt2800pci_get_tkip_seq, .set_rts_threshold = rt2800pci_set_rts_threshold, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2800pci_conf_tx, .get_tx_stats = rt2x00mac_get_tx_stats, .get_tsf = rt2800pci_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, }; static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { .irq_handler = rt2800pci_interrupt, .probe_hw = rt2800pci_probe_hw, .get_firmware_name = rt2800pci_get_firmware_name, .check_firmware = rt2800pci_check_firmware, .load_firmware = rt2800pci_load_firmware, .initialize = rt2x00pci_initialize, .uninitialize = rt2x00pci_uninitialize, .get_entry_state = rt2800pci_get_entry_state, .clear_entry = rt2800pci_clear_entry, .set_device_state = rt2800pci_set_device_state, .rfkill_poll = rt2800pci_rfkill_poll, .link_stats = rt2800pci_link_stats, .reset_tuner = rt2800pci_reset_tuner, .link_tuner = rt2800pci_link_tuner, .write_tx_desc = rt2800pci_write_tx_desc, .write_tx_data = rt2x00pci_write_tx_data, .write_beacon = rt2800pci_write_beacon, .kick_tx_queue = rt2800pci_kick_tx_queue, .kill_tx_queue = rt2800pci_kill_tx_queue, .fill_rxdone = rt2800pci_fill_rxdone, .config_shared_key = rt2800pci_config_shared_key, .config_pairwise_key = rt2800pci_config_pairwise_key, .config_filter = rt2800pci_config_filter, .config_intf = rt2800pci_config_intf, .config_erp = rt2800pci_config_erp, .config_ant = rt2800pci_config_ant, .config = rt2800pci_config, }; static const struct data_queue_desc rt2800pci_queue_rx = { .entry_num = RX_ENTRIES, .data_size = AGGREGATION_SIZE, .desc_size = RXD_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_pci), }; static const struct data_queue_desc rt2800pci_queue_tx = { .entry_num = TX_ENTRIES, .data_size = AGGREGATION_SIZE, .desc_size = TXD_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_pci), }; static const struct data_queue_desc rt2800pci_queue_bcn = { .entry_num = 8 * BEACON_ENTRIES, .data_size = 0, /* No DMA required for beacons */ .desc_size = TXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_pci), }; static const struct rt2x00_ops rt2800pci_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 = &rt2800pci_queue_rx, .tx = &rt2800pci_queue_tx, .bcn = &rt2800pci_queue_bcn, .lib = &rt2800pci_rt2x00_ops, .hw = &rt2800pci_mac80211_ops, #ifdef CONFIG_RT2X00_LIB_DEBUGFS .debugfs = &rt2800pci_rt2x00debug, #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ }; /* * RT2800pci module information. */ static struct pci_device_id rt2800pci_device_table[] = { { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) }, { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) }, { 0, } }; MODULE_AUTHOR(DRV_PROJECT); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); #ifdef CONFIG_RT2800PCI_PCI MODULE_FIRMWARE(FIRMWARE_RT2860); MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); #endif /* CONFIG_RT2800PCI_PCI */ MODULE_LICENSE("GPL"); #ifdef CONFIG_RT2800PCI_WISOC #if defined(CONFIG_RALINK_RT288X) __rt2x00soc_probe(RT2880, &rt2800pci_ops); #elif defined(CONFIG_RALINK_RT305X) __rt2x00soc_probe(RT3052, &rt2800pci_ops); #endif static struct platform_driver rt2800soc_driver = { .driver = { .name = "rt2800_wmac", .owner = THIS_MODULE, .mod_name = KBUILD_MODNAME, }, .probe = __rt2x00soc_probe, .remove = __devexit_p(rt2x00soc_remove), .suspend = rt2x00soc_suspend, .resume = rt2x00soc_resume, }; #endif /* CONFIG_RT2800PCI_WISOC */ #ifdef CONFIG_RT2800PCI_PCI static struct pci_driver rt2800pci_driver = { .name = KBUILD_MODNAME, .id_table = rt2800pci_device_table, .probe = rt2x00pci_probe, .remove = __devexit_p(rt2x00pci_remove), .suspend = rt2x00pci_suspend, .resume = rt2x00pci_resume, }; #endif /* CONFIG_RT2800PCI_PCI */ static int __init rt2800pci_init(void) { int ret = 0; #ifdef CONFIG_RT2800PCI_WISOC ret = platform_driver_register(&rt2800soc_driver); if (ret) return ret; #endif #ifdef CONFIG_RT2800PCI_PCI ret = pci_register_driver(&rt2800pci_driver); if (ret) { #ifdef CONFIG_RT2800PCI_WISOC platform_driver_unregister(&rt2800soc_driver); #endif return ret; } #endif return ret; } static void __exit rt2800pci_exit(void) { #ifdef CONFIG_RT2800PCI_PCI pci_unregister_driver(&rt2800pci_driver); #endif #ifdef CONFIG_RT2800PCI_WISOC platform_driver_unregister(&rt2800soc_driver); #endif } module_init(rt2800pci_init); module_exit(rt2800pci_exit);