diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 2001 |
1 files changed, 0 insertions, 2001 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c deleted file mode 100644 index b50d873145d5..000000000000 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ /dev/null @@ -1,2001 +0,0 @@ -/* - Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> - <http://rt2x00.serialmonkey.com> - - 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, see <http://www.gnu.org/licenses/>. - */ - -/* - Module: rt2500usb - Abstract: rt2500usb device specific routines. - Supported chipsets: RT2570. - */ - -#include <linux/delay.h> -#include <linux/etherdevice.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/usb.h> - -#include "rt2x00.h" -#include "rt2x00usb.h" -#include "rt2500usb.h" - -/* - * Allow hardware encryption to be disabled. - */ -static bool modparam_nohwcrypt; -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 - * rt2500usb_register_read and rt2500usb_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_USB_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. - * If the csr_mutex is already held then the _lock variants must - * be used instead. - */ -static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u16 *value) -{ - __le16 reg; - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, - USB_VENDOR_REQUEST_IN, offset, - ®, sizeof(reg)); - *value = le16_to_cpu(reg); -} - -static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u16 *value) -{ - __le16 reg; - rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, - USB_VENDOR_REQUEST_IN, offset, - ®, sizeof(reg), REGISTER_TIMEOUT); - *value = le16_to_cpu(reg); -} - -static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - void *value, const u16 length) -{ - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, - USB_VENDOR_REQUEST_IN, offset, - value, length); -} - -static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u16 value) -{ - __le16 reg = cpu_to_le16(value); - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, offset, - ®, sizeof(reg)); -} - -static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u16 value) -{ - __le16 reg = cpu_to_le16(value); - rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, offset, - ®, sizeof(reg), REGISTER_TIMEOUT); -} - -static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - void *value, const u16 length) -{ - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, offset, - value, length); -} - -static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - struct rt2x00_field16 field, - u16 *reg) -{ - unsigned int i; - - for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) { - rt2500usb_register_read_lock(rt2x00dev, offset, reg); - if (!rt2x00_get_field16(*reg, field)) - return 1; - udelay(REGISTER_BUSY_DELAY); - } - - rt2x00_err(rt2x00dev, "Indirect register access failed: offset=0x%.08x, value=0x%.08x\n", - offset, *reg); - *reg = ~0; - - return 0; -} - -#define WAIT_FOR_BBP(__dev, __reg) \ - rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg)) -#define WAIT_FOR_RF(__dev, __reg) \ - rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg)) - -static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u8 value) -{ - u16 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_field16(®, PHY_CSR7_DATA, value); - rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); - rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0); - - rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); - } - - mutex_unlock(&rt2x00dev->csr_mutex); -} - -static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, - const unsigned int word, u8 *value) -{ - u16 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_field16(®, PHY_CSR7_REG_ID, word); - rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1); - - rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); - - if (WAIT_FOR_BBP(rt2x00dev, ®)) - rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); - } - - *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); - - mutex_unlock(&rt2x00dev->csr_mutex); -} - -static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u32 value) -{ - u16 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_field16(®, PHY_CSR9_RF_VALUE, value); - rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg); - - reg = 0; - rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16); - rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20); - rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0); - rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1); - - rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg); - rt2x00_rf_write(rt2x00dev, word, value); - } - - mutex_unlock(&rt2x00dev->csr_mutex); -} - -#ifdef CONFIG_RT2X00_LIB_DEBUGFS -static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u32 *value) -{ - rt2500usb_register_read(rt2x00dev, offset, (u16 *)value); -} - -static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, - const unsigned int offset, - u32 value) -{ - rt2500usb_register_write(rt2x00dev, offset, value); -} - -static const struct rt2x00debug rt2500usb_rt2x00debug = { - .owner = THIS_MODULE, - .csr = { - .read = _rt2500usb_register_read, - .write = _rt2500usb_register_write, - .flags = RT2X00DEBUGFS_OFFSET, - .word_base = CSR_REG_BASE, - .word_size = sizeof(u16), - .word_count = CSR_REG_SIZE / sizeof(u16), - }, - .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 = rt2500usb_bbp_read, - .write = rt2500usb_bbp_write, - .word_base = BBP_BASE, - .word_size = sizeof(u8), - .word_count = BBP_SIZE / sizeof(u8), - }, - .rf = { - .read = rt2x00_rf_read, - .write = rt2500usb_rf_write, - .word_base = RF_BASE, - .word_size = sizeof(u32), - .word_count = RF_SIZE / sizeof(u32), - }, -}; -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ - -static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) -{ - u16 reg; - - rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®); - return rt2x00_get_field16(reg, MAC_CSR19_VAL7); -} - -#ifdef CONFIG_RT2X00_LIB_LEDS -static void rt2500usb_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; - u16 reg; - - rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, ®); - - if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) - rt2x00_set_field16(®, MAC_CSR20_LINK, enabled); - else if (led->type == LED_TYPE_ACTIVITY) - rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, enabled); - - rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg); -} - -static int rt2500usb_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); - u16 reg; - - rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, ®); - rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, *delay_on); - rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, *delay_off); - rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg); - - return 0; -} - -static void rt2500usb_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 = rt2500usb_brightness_set; - led->led_dev.blink_set = rt2500usb_blink_set; - led->flags = LED_INITIALIZED; -} -#endif /* CONFIG_RT2X00_LIB_LEDS */ - -/* - * Configuration handlers. - */ - -/* - * rt2500usb does not differentiate between shared and pairwise - * keys, so we should use the same function for both key types. - */ -static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_crypto *crypto, - struct ieee80211_key_conf *key) -{ - u32 mask; - u16 reg; - enum cipher curr_cipher; - - if (crypto->cmd == SET_KEY) { - /* - * Disallow to set WEP key other than with index 0, - * it is known that not work at least on some hardware. - * SW crypto will be used in that case. - */ - if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || - key->cipher == WLAN_CIPHER_SUITE_WEP104) && - key->keyidx != 0) - return -EOPNOTSUPP; - - /* - * Pairwise key will always be entry 0, but this - * could collide with a shared key on the same - * position... - */ - mask = TXRX_CSR0_KEY_ID.bit_mask; - - rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); - curr_cipher = rt2x00_get_field16(reg, TXRX_CSR0_ALGORITHM); - reg &= mask; - - if (reg && reg == mask) - return -ENOSPC; - - reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID); - - key->hw_key_idx += reg ? ffz(reg) : 0; - /* - * Hardware requires that all keys use the same cipher - * (e.g. TKIP-only, AES-only, but not TKIP+AES). - * If this is not the first key, compare the cipher with the - * first one and fall back to SW crypto if not the same. - */ - if (key->hw_key_idx > 0 && crypto->cipher != curr_cipher) - return -EOPNOTSUPP; - - rt2500usb_register_multiwrite(rt2x00dev, KEY_ENTRY(key->hw_key_idx), - crypto->key, sizeof(crypto->key)); - - /* - * The driver does not support the IV/EIV generation - * in hardware. However it demands the data to be provided - * both separately as well as inside the frame. - * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib - * to ensure rt2x00lib will not strip the data from the - * frame after the copy, now we must tell mac80211 - * to generate the IV/EIV data. - */ - key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; - } - - /* - * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate - * a particular key is valid. - */ - rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field16(®, TXRX_CSR0_ALGORITHM, crypto->cipher); - rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); - - mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID); - if (crypto->cmd == SET_KEY) - mask |= 1 << key->hw_key_idx; - else if (crypto->cmd == DISABLE_KEY) - mask &= ~(1 << key->hw_key_idx); - rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, mask); - rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); - - return 0; -} - -static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev, - const unsigned int filter_flags) -{ - u16 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. - */ - rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC, - !(filter_flags & FIF_FCSFAIL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, - !(filter_flags & FIF_PLCPFAIL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, - !(filter_flags & FIF_CONTROL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, 1); - rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, - !rt2x00dev->intf_ap_count); - rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); - rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, - !(filter_flags & FIF_ALLMULTI)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); -} - -static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev, - struct rt2x00_intf *intf, - struct rt2x00intf_conf *conf, - const unsigned int flags) -{ - unsigned int bcn_preload; - u16 reg; - - if (flags & CONFIG_UPDATE_TYPE) { - /* - * Enable beacon config - */ - bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20); - rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); - rt2x00_set_field16(®, TXRX_CSR20_OFFSET, bcn_preload >> 6); - rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, - 2 * (conf->type != NL80211_IFTYPE_STATION)); - rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg); - - /* - * Enable synchronisation. - */ - rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); - rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - } - - if (flags & CONFIG_UPDATE_MAC) - rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac, - (3 * sizeof(__le16))); - - if (flags & CONFIG_UPDATE_BSSID) - rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid, - (3 * sizeof(__le16))); -} - -static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_erp *erp, - u32 changed) -{ - u16 reg; - - if (changed & BSS_CHANGED_ERP_PREAMBLE) { - rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); - rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, - !!erp->short_preamble); - rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); - } - - if (changed & BSS_CHANGED_BASIC_RATES) - rt2500usb_register_write(rt2x00dev, TXRX_CSR11, - erp->basic_rates); - - if (changed & BSS_CHANGED_BEACON_INT) { - rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); - rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, - erp->beacon_int * 4); - rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); - } - - if (changed & BSS_CHANGED_ERP_SLOT) { - rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time); - rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs); - rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs); - } -} - -static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev, - struct antenna_setup *ant) -{ - u8 r2; - u8 r14; - u16 csr5; - u16 csr6; - - /* - * We should never come here because rt2x00lib is supposed - * to catch this and send us the correct antenna explicitely. - */ - BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || - ant->tx == ANTENNA_SW_DIVERSITY); - - rt2500usb_bbp_read(rt2x00dev, 2, &r2); - rt2500usb_bbp_read(rt2x00dev, 14, &r14); - rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5); - rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6); - - /* - * Configure the TX antenna. - */ - switch (ant->tx) { - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1); - rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1); - rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1); - break; - case ANTENNA_A: - rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); - rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0); - rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0); - break; - case ANTENNA_B: - default: - rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); - rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2); - rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2); - break; - } - - /* - * Configure the RX antenna. - */ - switch (ant->rx) { - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1); - break; - case ANTENNA_A: - rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); - break; - case ANTENNA_B: - default: - rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); - break; - } - - /* - * RT2525E and RT5222 need to flip TX I/Q - */ - if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) { - rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); - rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1); - rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1); - - /* - * RT2525E does not need RX I/Q Flip. - */ - if (rt2x00_rf(rt2x00dev, RF2525E)) - rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); - } else { - rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0); - rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0); - } - - rt2500usb_bbp_write(rt2x00dev, 2, r2); - rt2500usb_bbp_write(rt2x00dev, 14, r14); - rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5); - rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); -} - -static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, - struct rf_channel *rf, const int txpower) -{ - /* - * Set TXpower. - */ - rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); - - /* - * For RT2525E we should first set the channel to half band higher. - */ - if (rt2x00_rf(rt2x00dev, RF2525E)) { - static const u32 vals[] = { - 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2, - 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba, - 0x000008ba, 0x000008be, 0x000008b7, 0x00000902, - 0x00000902, 0x00000906 - }; - - rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); - if (rf->rf4) - rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); - } - - rt2500usb_rf_write(rt2x00dev, 1, rf->rf1); - rt2500usb_rf_write(rt2x00dev, 2, rf->rf2); - rt2500usb_rf_write(rt2x00dev, 3, rf->rf3); - if (rf->rf4) - rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); -} - -static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev, - const int txpower) -{ - u32 rf3; - - rt2x00_rf_read(rt2x00dev, 3, &rf3); - rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); - rt2500usb_rf_write(rt2x00dev, 3, rf3); -} - -static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf) -{ - enum dev_state state = - (libconf->conf->flags & IEEE80211_CONF_PS) ? - STATE_SLEEP : STATE_AWAKE; - u16 reg; - - if (state == STATE_SLEEP) { - rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); - rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, - rt2x00dev->beacon_int - 20); - rt2x00_set_field16(®, MAC_CSR18_BEACONS_BEFORE_WAKEUP, - libconf->conf->listen_interval - 1); - - /* We must first disable autowake before it can be enabled */ - rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0); - rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); - - rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 1); - rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); - } else { - rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); - rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0); - rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); - } - - rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); -} - -static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf, - const unsigned int flags) -{ - if (flags & IEEE80211_CONF_CHANGE_CHANNEL) - rt2500usb_config_channel(rt2x00dev, &libconf->rf, - libconf->conf->power_level); - if ((flags & IEEE80211_CONF_CHANGE_POWER) && - !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) - rt2500usb_config_txpower(rt2x00dev, - libconf->conf->power_level); - if (flags & IEEE80211_CONF_CHANGE_PS) - rt2500usb_config_ps(rt2x00dev, libconf); -} - -/* - * Link tuning - */ -static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev, - struct link_qual *qual) -{ - u16 reg; - - /* - * Update FCS error count from register. - */ - rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); - qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); - - /* - * Update False CCA count from register. - */ - rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); - qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); -} - -static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev, - struct link_qual *qual) -{ - u16 eeprom; - u16 value; - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom); - value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW); - rt2500usb_bbp_write(rt2x00dev, 24, value); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom); - value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW); - rt2500usb_bbp_write(rt2x00dev, 25, value); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom); - value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW); - rt2500usb_bbp_write(rt2x00dev, 61, value); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom); - value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER); - rt2500usb_bbp_write(rt2x00dev, 17, value); - - qual->vgc_level = value; -} - -/* - * Queue handlers. - */ -static void rt2500usb_start_queue(struct data_queue *queue) -{ - struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; - u16 reg; - - switch (queue->qid) { - case QID_RX: - rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); - break; - case QID_BEACON: - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - break; - default: - break; - } -} - -static void rt2500usb_stop_queue(struct data_queue *queue) -{ - struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; - u16 reg; - - switch (queue->qid) { - case QID_RX: - rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); - break; - case QID_BEACON: - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 0); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 0); - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - break; - default: - break; - } -} - -/* - * Initialization functions. - */ -static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) -{ - u16 reg; - - rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001, - USB_MODE_TEST, REGISTER_TIMEOUT); - rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308, - 0x00f0, REGISTER_TIMEOUT); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); - - rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111); - rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11); - - rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1); - rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1); - rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); - rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); - rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); - rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); - rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®); - rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13); - rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1); - rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12); - rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®); - rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10); - rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1); - rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11); - rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®); - rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7); - rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1); - rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6); - rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®); - rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5); - rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1); - rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0); - rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 0); - rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 0); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 0); - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - - rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f); - rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d); - - if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) - return -EBUSY; - - rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); - rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); - rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1); - rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); - - if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) { - rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®); - rt2x00_set_field16(®, PHY_CSR2_LNA, 0); - } else { - reg = 0; - rt2x00_set_field16(®, PHY_CSR2_LNA, 1); - rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3); - } - rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg); - - rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002); - rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053); - rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee); - rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000); - - rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®); - rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT, - rt2x00dev->rx->data_size); - rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field16(®, TXRX_CSR0_ALGORITHM, CIPHER_NONE); - rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); - rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); - - rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); - rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90); - rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); - - rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®); - rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1); - rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); - rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1); - rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); - - return 0; -} - -static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u8 value; - - for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) { - rt2500usb_bbp_read(rt2x00dev, 0, &value); - if ((value != 0xff) && (value != 0x00)) - return 0; - udelay(REGISTER_BUSY_DELAY); - } - - rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n"); - return -EACCES; -} - -static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u16 eeprom; - u8 value; - u8 reg_id; - - if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev))) - return -EACCES; - - rt2500usb_bbp_write(rt2x00dev, 3, 0x02); - rt2500usb_bbp_write(rt2x00dev, 4, 0x19); - rt2500usb_bbp_write(rt2x00dev, 14, 0x1c); - rt2500usb_bbp_write(rt2x00dev, 15, 0x30); - rt2500usb_bbp_write(rt2x00dev, 16, 0xac); - rt2500usb_bbp_write(rt2x00dev, 18, 0x18); - rt2500usb_bbp_write(rt2x00dev, 19, 0xff); - rt2500usb_bbp_write(rt2x00dev, 20, 0x1e); - rt2500usb_bbp_write(rt2x00dev, 21, 0x08); - rt2500usb_bbp_write(rt2x00dev, 22, 0x08); - rt2500usb_bbp_write(rt2x00dev, 23, 0x08); - rt2500usb_bbp_write(rt2x00dev, 24, 0x80); - rt2500usb_bbp_write(rt2x00dev, 25, 0x50); - rt2500usb_bbp_write(rt2x00dev, 26, 0x08); - rt2500usb_bbp_write(rt2x00dev, 27, 0x23); - rt2500usb_bbp_write(rt2x00dev, 30, 0x10); - rt2500usb_bbp_write(rt2x00dev, 31, 0x2b); - rt2500usb_bbp_write(rt2x00dev, 32, 0xb9); - rt2500usb_bbp_write(rt2x00dev, 34, 0x12); - rt2500usb_bbp_write(rt2x00dev, 35, 0x50); - rt2500usb_bbp_write(rt2x00dev, 39, 0xc4); - rt2500usb_bbp_write(rt2x00dev, 40, 0x02); - rt2500usb_bbp_write(rt2x00dev, 41, 0x60); - rt2500usb_bbp_write(rt2x00dev, 53, 0x10); - rt2500usb_bbp_write(rt2x00dev, 54, 0x18); - rt2500usb_bbp_write(rt2x00dev, 56, 0x08); - rt2500usb_bbp_write(rt2x00dev, 57, 0x10); - rt2500usb_bbp_write(rt2x00dev, 58, 0x08); - rt2500usb_bbp_write(rt2x00dev, 61, 0x60); - rt2500usb_bbp_write(rt2x00dev, 62, 0x10); - rt2500usb_bbp_write(rt2x00dev, 75, 0xff); - - 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); - rt2500usb_bbp_write(rt2x00dev, reg_id, value); - } - } - - return 0; -} - -/* - * Device state switch handlers. - */ -static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) -{ - /* - * Initialize all registers. - */ - if (unlikely(rt2500usb_init_registers(rt2x00dev) || - rt2500usb_init_bbp(rt2x00dev))) - return -EIO; - - return 0; -} - -static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) -{ - rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121); - rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121); - - /* - * Disable synchronisation. - */ - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); - - rt2x00usb_disable_radio(rt2x00dev); -} - -static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - u16 reg; - u16 reg2; - unsigned int i; - char put_to_sleep; - char bbp_state; - char rf_state; - - put_to_sleep = (state != STATE_AWAKE); - - reg = 0; - rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state); - rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state); - rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep); - rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); - rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1); - rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); - - /* - * Device is not guaranteed to be in the requested state yet. - * We must wait until the register indicates that the - * device has entered the correct state. - */ - for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) { - rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2); - bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE); - rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE); - if (bbp_state == state && rf_state == state) - return 0; - rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); - msleep(30); - } - - return -EBUSY; -} - -static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - int retval = 0; - - switch (state) { - case STATE_RADIO_ON: - retval = rt2500usb_enable_radio(rt2x00dev); - break; - case STATE_RADIO_OFF: - rt2500usb_disable_radio(rt2x00dev); - break; - case STATE_RADIO_IRQ_ON: - case STATE_RADIO_IRQ_OFF: - /* No support, but no error either */ - break; - case STATE_DEEP_SLEEP: - case STATE_SLEEP: - case STATE_STANDBY: - case STATE_AWAKE: - retval = rt2500usb_set_state(rt2x00dev, state); - break; - default: - retval = -ENOTSUPP; - break; - } - - if (unlikely(retval)) - rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n", - state, retval); - - return retval; -} - -/* - * TX descriptor initialization - */ -static void rt2500usb_write_tx_desc(struct queue_entry *entry, - struct txentry_desc *txdesc) -{ - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - __le32 *txd = (__le32 *) entry->skb->data; - u32 word; - - /* - * Start writing the descriptor words. - */ - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - test_bit(ENTRY_TXD_ACK, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - (txdesc->rate_mode == RATE_MODE_OFDM)); - rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, - test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); - rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); - rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); - rt2x00_desc_write(txd, 0, word); - - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); - rt2x00_set_field32(&word, TXD_W1_AIFS, entry->queue->aifs); - rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min); - rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max); - rt2x00_desc_write(txd, 1, word); - - rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->u.plcp.signal); - rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->u.plcp.service); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, - txdesc->u.plcp.length_low); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, - txdesc->u.plcp.length_high); - rt2x00_desc_write(txd, 2, word); - - if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { - _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); - _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); - } - - /* - * Register descriptor details in skb frame descriptor. - */ - skbdesc->flags |= SKBDESC_DESC_IN_SKB; - skbdesc->desc = txd; - skbdesc->desc_len = TXD_DESC_SIZE; -} - -/* - * TX data initialization - */ -static void rt2500usb_beacondone(struct urb *urb); - -static void rt2500usb_write_beacon(struct queue_entry *entry, - struct txentry_desc *txdesc) -{ - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); - struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; - int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); - int length; - u16 reg, reg0; - - /* - * Disable beaconing while we are reloading the beacon data, - * otherwise we might be sending out invalid data. - */ - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - - /* - * Add space for the descriptor in front of the skb. - */ - skb_push(entry->skb, TXD_DESC_SIZE); - memset(entry->skb->data, 0, TXD_DESC_SIZE); - - /* - * Write the TX descriptor for the beacon. - */ - rt2500usb_write_tx_desc(entry, txdesc); - - /* - * Dump beacon to userspace through debugfs. - */ - rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); - - /* - * USB devices cannot blindly pass the skb->len as the - * length of the data to usb_fill_bulk_urb. Pass the skb - * to the driver to determine what the length should be. - */ - length = rt2x00dev->ops->lib->get_tx_data_len(entry); - - usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe, - entry->skb->data, length, rt2500usb_beacondone, - entry); - - /* - * Second we need to create the guardian byte. - * We only need a single byte, so lets recycle - * the 'flags' field we are not using for beacons. - */ - bcn_priv->guardian_data = 0; - usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe, - &bcn_priv->guardian_data, 1, rt2500usb_beacondone, - entry); - - /* - * Send out the guardian byte. - */ - usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC); - - /* - * Enable beaconing again. - */ - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); - reg0 = reg; - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); - /* - * Beacon generation will fail initially. - * To prevent this we need to change the TXRX_CSR19 - * register several times (reg0 is the same as reg - * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 - * and 1 in reg). - */ - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); -} - -static int rt2500usb_get_tx_data_len(struct queue_entry *entry) -{ - int length; - - /* - * The length _must_ be a multiple of 2, - * but it must _not_ be a multiple of the USB packet size. - */ - length = roundup(entry->skb->len, 2); - length += (2 * !(length % entry->queue->usb_maxpacket)); - - return length; -} - -/* - * RX control handlers - */ -static void rt2500usb_fill_rxdone(struct queue_entry *entry, - struct rxdone_entry_desc *rxdesc) -{ - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct queue_entry_priv_usb *entry_priv = entry->priv_data; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - __le32 *rxd = - (__le32 *)(entry->skb->data + - (entry_priv->urb->actual_length - - entry->queue->desc_size)); - u32 word0; - u32 word1; - - /* - * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of - * frame data in rt2x00usb. - */ - memcpy(skbdesc->desc, rxd, skbdesc->desc_len); - rxd = (__le32 *)skbdesc->desc; - - /* - * It is now safe to read the descriptor on all architectures. - */ - rt2x00_desc_read(rxd, 0, &word0); - rt2x00_desc_read(rxd, 1, &word1); - - if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) - rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) - rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; - - rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); - if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) - rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; - - if (rxdesc->cipher != CIPHER_NONE) { - _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); - _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]); - rxdesc->dev_flags |= RXDONE_CRYPTO_IV; - - /* ICV is located at the end of frame */ - - rxdesc->flags |= RX_FLAG_MMIC_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; - } - - /* - * Obtain the status about this packet. - * When frame was received with an OFDM bitrate, - * the signal is the PLCP value. If it was received with - * a CCK bitrate the signal is the rate in 100kbit/s. - */ - rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); - rxdesc->rssi = - rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset; - rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); - - if (rt2x00_get_field32(word0, RXD_W0_OFDM)) - rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; - else - rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; - if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) - rxdesc->dev_flags |= RXDONE_MY_BSS; - - /* - * Adjust the skb memory window to the frame boundaries. - */ - skb_trim(entry->skb, rxdesc->size); -} - -/* - * Interrupt functions. - */ -static void rt2500usb_beacondone(struct urb *urb) -{ - struct queue_entry *entry = (struct queue_entry *)urb->context; - struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; - - if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags)) - return; - - /* - * Check if this was the guardian beacon, - * if that was the case we need to send the real beacon now. - * Otherwise we should free the sk_buffer, the device - * should be doing the rest of the work now. - */ - if (bcn_priv->guardian_urb == urb) { - usb_submit_urb(bcn_priv->urb, GFP_ATOMIC); - } else if (bcn_priv->urb == urb) { - dev_kfree_skb(entry->skb); - entry->skb = NULL; - } -} - -/* - * Device probe functions. - */ -static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u16 word; - u8 *mac; - u8 bbp; - - rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); - - /* - * Start validation of the data that has been read. - */ - mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - eth_random_addr(mac); - rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, - ANTENNA_SW_DIVERSITY); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, - ANTENNA_SW_DIVERSITY); - rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, - LED_MODE_DEFAULT); - rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); - rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); - rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); - rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); - rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); - rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, - DEFAULT_RSSI_OFFSET); - rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); - rt2x00_eeprom_dbg(rt2x00dev, "Calibrate offset: 0x%04x\n", - word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word); - rt2x00_eeprom_dbg(rt2x00dev, "BBPtune: 0x%04x\n", word); - } - - /* - * Switch lower vgc bound to current BBP R17 value, - * lower the value a bit for better quality. - */ - rt2500usb_bbp_read(rt2x00dev, 17, &bbp); - bbp -= 6; - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); - rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); - rt2x00_eeprom_dbg(rt2x00dev, "BBPtune vgc: 0x%04x\n", word); - } else { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48); - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word); - rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r17: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40); - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word); - rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r24: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40); - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word); - rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r25: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60); - rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word); - rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r61: 0x%04x\n", word); - } - - return 0; -} - -static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u16 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); - rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); - rt2x00_set_chip(rt2x00dev, RT2570, value, reg); - - if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) { - rt2x00_err(rt2x00dev, "Invalid RT chipset detected\n"); - return -ENODEV; - } - - if (!rt2x00_rf(rt2x00dev, RF2522) && - !rt2x00_rf(rt2x00dev, RF2523) && - !rt2x00_rf(rt2x00dev, RF2524) && - !rt2x00_rf(rt2x00dev, RF2525) && - !rt2x00_rf(rt2x00dev, RF2525E) && - !rt2x00_rf(rt2x00dev, RF5222)) { - rt2x00_err(rt2x00dev, "Invalid RF chipset detected\n"); - return -ENODEV; - } - - /* - * Identify default antenna configuration. - */ - rt2x00dev->default_ant.tx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); - rt2x00dev->default_ant.rx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); - - /* - * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. - * I am not 100% sure about this, but the legacy drivers do not - * indicate antenna swapping in software is required when - * diversity is enabled. - */ - if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) - rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; - if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) - rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; - - /* - * Store led mode, for correct led behaviour. - */ -#ifdef CONFIG_RT2X00_LIB_LEDS - value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); - - rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); - if (value == LED_MODE_TXRX_ACTIVITY || - value == LED_MODE_DEFAULT || - value == LED_MODE_ASUS) - rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual, - LED_TYPE_ACTIVITY); -#endif /* CONFIG_RT2X00_LIB_LEDS */ - - /* - * Detect if this device has an hardware controlled radio. - */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) - __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); - - /* - * Read the RSSI <-> dBm offset information. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); - rt2x00dev->rssi_offset = - rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); - - return 0; -} - -/* - * RF value list for RF2522 - * Supports: 2.4 GHz - */ -static const struct rf_channel rf_vals_bg_2522[] = { - { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, - { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, - { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, - { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, - { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, - { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, - { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, - { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, - { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, - { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, - { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, - { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, - { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, - { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, -}; - -/* - * RF value list for RF2523 - * Supports: 2.4 GHz - */ -static const struct rf_channel rf_vals_bg_2523[] = { - { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, - { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, - { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, - { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, - { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, - { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, - { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, - { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, - { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, - { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, - { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, - { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, - { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, - { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, -}; - -/* - * RF value list for RF2524 - * Supports: 2.4 GHz - */ -static const struct rf_channel rf_vals_bg_2524[] = { - { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, - { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, - { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, - { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, - { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, - { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, - { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, - { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, - { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, - { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, - { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, - { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, - { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, - { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, -}; - -/* - * RF value list for RF2525 - * Supports: 2.4 GHz - */ -static const struct rf_channel rf_vals_bg_2525[] = { - { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, - { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, - { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, - { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, - { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, - { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, - { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, - { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, - { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, - { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, - { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, - { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, - { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, - { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, -}; - -/* - * RF value list for RF2525e - * Supports: 2.4 GHz - */ -static const struct rf_channel rf_vals_bg_2525e[] = { - { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b }, - { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 }, - { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b }, - { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 }, - { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b }, - { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 }, - { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b }, - { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 }, - { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b }, - { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 }, - { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b }, - { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 }, - { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b }, - { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 }, -}; - -/* - * RF value list for RF5222 - * Supports: 2.4 GHz & 5.2 GHz - */ -static const struct rf_channel rf_vals_5222[] = { - { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, - { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, - { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, - { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, - { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, - { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, - { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, - { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, - { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, - { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, - { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, - { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, - { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, - { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, - - /* 802.11 UNI / HyperLan 2 */ - { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, - { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, - { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, - { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, - { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, - { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, - { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, - { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, - - /* 802.11 HyperLan 2 */ - { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, - { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, - { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, - { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, - { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, - { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, - { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, - { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, - { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, - { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, - - /* 802.11 UNII */ - { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, - { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, - { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, - { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, - { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, -}; - -static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) -{ - struct hw_mode_spec *spec = &rt2x00dev->spec; - struct channel_info *info; - char *tx_power; - unsigned int i; - - /* - * Initialize all hw fields. - * - * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are - * capable of sending the buffered frames out after the DTIM - * transmission using rt2x00lib_beacondone. This will send out - * multicast and broadcast traffic immediately instead of buffering it - * infinitly and thus dropping it after some time. - */ - ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK); - ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS); - ieee80211_hw_set(rt2x00dev->hw, RX_INCLUDES_FCS); - ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM); - - /* - * Disable powersaving as default. - */ - rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - - SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); - SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, - rt2x00_eeprom_addr(rt2x00dev, - EEPROM_MAC_ADDR_0)); - - /* - * Initialize hw_mode information. - */ - spec->supported_bands = SUPPORT_BAND_2GHZ; - spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; - - if (rt2x00_rf(rt2x00dev, RF2522)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); - spec->channels = rf_vals_bg_2522; - } else if (rt2x00_rf(rt2x00dev, RF2523)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); - spec->channels = rf_vals_bg_2523; - } else if (rt2x00_rf(rt2x00dev, RF2524)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); - spec->channels = rf_vals_bg_2524; - } else if (rt2x00_rf(rt2x00dev, RF2525)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); - spec->channels = rf_vals_bg_2525; - } else if (rt2x00_rf(rt2x00dev, RF2525E)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); - spec->channels = rf_vals_bg_2525e; - } else if (rt2x00_rf(rt2x00dev, RF5222)) { - spec->supported_bands |= SUPPORT_BAND_5GHZ; - spec->num_channels = ARRAY_SIZE(rf_vals_5222); - spec->channels = rf_vals_5222; - } - - /* - * Create channel information array - */ - info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - spec->channels_info = info; - - tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); - for (i = 0; i < 14; i++) { - info[i].max_power = MAX_TXPOWER; - info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]); - } - - if (spec->num_channels > 14) { - for (i = 14; i < spec->num_channels; i++) { - info[i].max_power = MAX_TXPOWER; - info[i].default_power1 = DEFAULT_TXPOWER; - } - } - - return 0; -} - -static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) -{ - int retval; - u16 reg; - - /* - * Allocate eeprom data. - */ - retval = rt2500usb_validate_eeprom(rt2x00dev); - if (retval) - return retval; - - retval = rt2500usb_init_eeprom(rt2x00dev); - if (retval) - return retval; - - /* - * Enable rfkill polling by setting GPIO direction of the - * rfkill switch GPIO pin correctly. - */ - rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®); - rt2x00_set_field16(®, MAC_CSR19_DIR0, 0); - rt2500usb_register_write(rt2x00dev, MAC_CSR19, reg); - - /* - * Initialize hw specifications. - */ - retval = rt2500usb_probe_hw_mode(rt2x00dev); - if (retval) - return retval; - - /* - * This device requires the atim queue - */ - __set_bit(REQUIRE_ATIM_QUEUE, &rt2x00dev->cap_flags); - __set_bit(REQUIRE_BEACON_GUARD, &rt2x00dev->cap_flags); - if (!modparam_nohwcrypt) { - __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags); - __set_bit(REQUIRE_COPY_IV, &rt2x00dev->cap_flags); - } - __set_bit(REQUIRE_SW_SEQNO, &rt2x00dev->cap_flags); - __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags); - - /* - * Set the rssi offset. - */ - rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; - - return 0; -} - -static const struct ieee80211_ops rt2500usb_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_tim = rt2x00mac_set_tim, - .set_key = rt2x00mac_set_key, - .sw_scan_start = rt2x00mac_sw_scan_start, - .sw_scan_complete = rt2x00mac_sw_scan_complete, - .get_stats = rt2x00mac_get_stats, - .bss_info_changed = rt2x00mac_bss_info_changed, - .conf_tx = rt2x00mac_conf_tx, - .rfkill_poll = rt2x00mac_rfkill_poll, - .flush = rt2x00mac_flush, - .set_antenna = rt2x00mac_set_antenna, - .get_antenna = rt2x00mac_get_antenna, - .get_ringparam = rt2x00mac_get_ringparam, - .tx_frames_pending = rt2x00mac_tx_frames_pending, -}; - -static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { - .probe_hw = rt2500usb_probe_hw, - .initialize = rt2x00usb_initialize, - .uninitialize = rt2x00usb_uninitialize, - .clear_entry = rt2x00usb_clear_entry, - .set_device_state = rt2500usb_set_device_state, - .rfkill_poll = rt2500usb_rfkill_poll, - .link_stats = rt2500usb_link_stats, - .reset_tuner = rt2500usb_reset_tuner, - .watchdog = rt2x00usb_watchdog, - .start_queue = rt2500usb_start_queue, - .kick_queue = rt2x00usb_kick_queue, - .stop_queue = rt2500usb_stop_queue, - .flush_queue = rt2x00usb_flush_queue, - .write_tx_desc = rt2500usb_write_tx_desc, - .write_beacon = rt2500usb_write_beacon, - .get_tx_data_len = rt2500usb_get_tx_data_len, - .fill_rxdone = rt2500usb_fill_rxdone, - .config_shared_key = rt2500usb_config_key, - .config_pairwise_key = rt2500usb_config_key, - .config_filter = rt2500usb_config_filter, - .config_intf = rt2500usb_config_intf, - .config_erp = rt2500usb_config_erp, - .config_ant = rt2500usb_config_ant, - .config = rt2500usb_config, -}; - -static void rt2500usb_queue_init(struct data_queue *queue) -{ - switch (queue->qid) { - case QID_RX: - queue->limit = 32; - queue->data_size = DATA_FRAME_SIZE; - queue->desc_size = RXD_DESC_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb); - break; - - case QID_AC_VO: - case QID_AC_VI: - case QID_AC_BE: - case QID_AC_BK: - queue->limit = 32; - queue->data_size = DATA_FRAME_SIZE; - queue->desc_size = TXD_DESC_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb); - break; - - case QID_BEACON: - queue->limit = 1; - queue->data_size = MGMT_FRAME_SIZE; - queue->desc_size = TXD_DESC_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb_bcn); - break; - - case QID_ATIM: - queue->limit = 8; - queue->data_size = DATA_FRAME_SIZE; - queue->desc_size = TXD_DESC_SIZE; - queue->priv_size = sizeof(struct queue_entry_priv_usb); - break; - - default: - BUG(); - break; - } -} - -static const struct rt2x00_ops rt2500usb_ops = { - .name = KBUILD_MODNAME, - .max_ap_intf = 1, - .eeprom_size = EEPROM_SIZE, - .rf_size = RF_SIZE, - .tx_queues = NUM_TX_QUEUES, - .queue_init = rt2500usb_queue_init, - .lib = &rt2500usb_rt2x00_ops, - .hw = &rt2500usb_mac80211_ops, -#ifdef CONFIG_RT2X00_LIB_DEBUGFS - .debugfs = &rt2500usb_rt2x00debug, -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ -}; - -/* - * rt2500usb module information. - */ -static struct usb_device_id rt2500usb_device_table[] = { - /* ASUS */ - { USB_DEVICE(0x0b05, 0x1706) }, - { USB_DEVICE(0x0b05, 0x1707) }, - /* Belkin */ - { USB_DEVICE(0x050d, 0x7050) }, /* FCC ID: K7SF5D7050A ver. 2.x */ - { USB_DEVICE(0x050d, 0x7051) }, - /* Cisco Systems */ - { USB_DEVICE(0x13b1, 0x000d) }, - { USB_DEVICE(0x13b1, 0x0011) }, - { USB_DEVICE(0x13b1, 0x001a) }, - /* Conceptronic */ - { USB_DEVICE(0x14b2, 0x3c02) }, - /* D-LINK */ - { USB_DEVICE(0x2001, 0x3c00) }, - /* Gigabyte */ - { USB_DEVICE(0x1044, 0x8001) }, - { USB_DEVICE(0x1044, 0x8007) }, - /* Hercules */ - { USB_DEVICE(0x06f8, 0xe000) }, - /* Melco */ - { USB_DEVICE(0x0411, 0x005e) }, - { USB_DEVICE(0x0411, 0x0066) }, - { USB_DEVICE(0x0411, 0x0067) }, - { USB_DEVICE(0x0411, 0x008b) }, - { USB_DEVICE(0x0411, 0x0097) }, - /* MSI */ - { USB_DEVICE(0x0db0, 0x6861) }, - { USB_DEVICE(0x0db0, 0x6865) }, - { USB_DEVICE(0x0db0, 0x6869) }, - /* Ralink */ - { USB_DEVICE(0x148f, 0x1706) }, - { USB_DEVICE(0x148f, 0x2570) }, - { USB_DEVICE(0x148f, 0x9020) }, - /* Sagem */ - { USB_DEVICE(0x079b, 0x004b) }, - /* Siemens */ - { USB_DEVICE(0x0681, 0x3c06) }, - /* SMC */ - { USB_DEVICE(0x0707, 0xee13) }, - /* Spairon */ - { USB_DEVICE(0x114b, 0x0110) }, - /* SURECOM */ - { USB_DEVICE(0x0769, 0x11f3) }, - /* Trust */ - { USB_DEVICE(0x0eb0, 0x9020) }, - /* VTech */ - { USB_DEVICE(0x0f88, 0x3012) }, - /* Zinwell */ - { USB_DEVICE(0x5a57, 0x0260) }, - { 0, } -}; - -MODULE_AUTHOR(DRV_PROJECT); -MODULE_VERSION(DRV_VERSION); -MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver."); -MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards"); -MODULE_DEVICE_TABLE(usb, rt2500usb_device_table); -MODULE_LICENSE("GPL"); - -static int rt2500usb_probe(struct usb_interface *usb_intf, - const struct usb_device_id *id) -{ - return rt2x00usb_probe(usb_intf, &rt2500usb_ops); -} - -static struct usb_driver rt2500usb_driver = { - .name = KBUILD_MODNAME, - .id_table = rt2500usb_device_table, - .probe = rt2500usb_probe, - .disconnect = rt2x00usb_disconnect, - .suspend = rt2x00usb_suspend, - .resume = rt2x00usb_resume, - .reset_resume = rt2x00usb_resume, - .disable_hub_initiated_lpm = 1, -}; - -module_usb_driver(rt2500usb_driver); |