diff options
| author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-04-07 07:29:37 +0000 |
|---|---|---|
| committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-04-07 07:29:37 +0000 |
| commit | d1b1d3c07e08947fe564f84a5a96831d147b8cce (patch) | |
| tree | 57d1fc8feb8c37be5039f2ae290238e2082495b9 /package/rt2x00/src/rt2500usb.c | |
| parent | d600b610a6fcb3de6d07e541b9dc29093ffc1c97 (diff) | |
Migrate rt2x00 to the compat-wireless version
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10753 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/rt2x00/src/rt2500usb.c')
| -rw-r--r-- | package/rt2x00/src/rt2500usb.c | 1831 |
1 files changed, 0 insertions, 1831 deletions
diff --git a/package/rt2x00/src/rt2500usb.c b/package/rt2x00/src/rt2500usb.c deleted file mode 100644 index 18b1f9145..000000000 --- a/package/rt2x00/src/rt2500usb.c +++ /dev/null @@ -1,1831 +0,0 @@ -/* - Copyright (C) 2004 - 2007 rt2x00 SourceForge Project - <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, write to the - Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* - Module: rt2500usb - Abstract: rt2500usb device specific routines. - Supported chipsets: RT2570. - */ - -/* - * Set enviroment defines for rt2x00.h - */ -#define DRV_NAME "rt2500usb" - -#include <linux/delay.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/usb.h> - -#include "rt2x00.h" -#include "rt2x00usb.h" -#include "rt2500usb.h" - -/* - * 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_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. - */ -static inline void rt2500usb_register_read(const 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(u16), REGISTER_TIMEOUT); - *value = le16_to_cpu(reg); -} - -static inline void rt2500usb_register_multiread(const struct rt2x00_dev - *rt2x00dev, - const unsigned int offset, - void *value, const u16 length) -{ - int timeout = REGISTER_TIMEOUT * (length / sizeof(u16)); - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, - USB_VENDOR_REQUEST_IN, offset, - value, length, timeout); -} - -static inline void rt2500usb_register_write(const 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(u16), REGISTER_TIMEOUT); -} - -static inline void rt2500usb_register_multiwrite(const struct rt2x00_dev - *rt2x00dev, - const unsigned int offset, - void *value, const u16 length) -{ - int timeout = REGISTER_TIMEOUT * (length / sizeof(u16)); - rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, offset, - value, length, timeout); -} - -static u16 rt2500usb_bbp_check(const struct rt2x00_dev *rt2x00dev) -{ - u16 reg; - unsigned int i; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2500usb_register_read(rt2x00dev, PHY_CSR8, ®); - if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY)) - break; - udelay(REGISTER_BUSY_DELAY); - } - - return reg; -} - -static void rt2500usb_bbp_write(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u8 value) -{ - u16 reg; - - /* - * Wait until the BBP becomes ready. - */ - reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); - return; - } - - /* - * Write the data into the BBP. - */ - 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(rt2x00dev, PHY_CSR7, reg); -} - -static void rt2500usb_bbp_read(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u8 *value) -{ - u16 reg; - - /* - * Wait until the BBP becomes ready. - */ - reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); - return; - } - - /* - * Write the request into the BBP. - */ - reg = 0; - rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); - rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1); - - rt2500usb_register_write(rt2x00dev, PHY_CSR7, reg); - - /* - * Wait until the BBP becomes ready. - */ - reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); - *value = 0xff; - return; - } - - rt2500usb_register_read(rt2x00dev, PHY_CSR7, ®); - *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); -} - -static void rt2500usb_rf_write(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u32 value) -{ - u16 reg; - unsigned int i; - - if (!word) - return; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2500usb_register_read(rt2x00dev, PHY_CSR10, ®); - if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY)) - goto rf_write; - udelay(REGISTER_BUSY_DELAY); - } - - ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n"); - return; - -rf_write: - reg = 0; - rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value); - rt2500usb_register_write(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(rt2x00dev, PHY_CSR10, reg); - rt2x00_rf_write(rt2x00dev, word, value); -} - -#ifdef CONFIG_RT2X00_LIB_DEBUGFS -#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) ) - -static void rt2500usb_read_csr(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u32 *data) -{ - rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data); -} - -static void rt2500usb_write_csr(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u32 data) -{ - rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data); -} - -static const struct rt2x00debug rt2500usb_rt2x00debug = { - .owner = THIS_MODULE, - .csr = { - .read = rt2500usb_read_csr, - .write = rt2500usb_write_csr, - .word_size = sizeof(u16), - .word_count = CSR_REG_SIZE / sizeof(u16), - }, - .eeprom = { - .read = rt2x00_eeprom_read, - .write = rt2x00_eeprom_write, - .word_size = sizeof(u16), - .word_count = EEPROM_SIZE / sizeof(u16), - }, - .bbp = { - .read = rt2500usb_bbp_read, - .write = rt2500usb_bbp_write, - .word_size = sizeof(u8), - .word_count = BBP_SIZE / sizeof(u8), - }, - .rf = { - .read = rt2x00_rf_read, - .write = rt2500usb_rf_write, - .word_size = sizeof(u32), - .word_count = RF_SIZE / sizeof(u32), - }, -}; -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ - -/* - * Configuration handlers. - */ -static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, - __le32 *mac) -{ - rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac, - (3 * sizeof(__le16))); -} - -static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev, - __le32 *bssid) -{ - rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, bssid, - (3 * sizeof(__le16))); -} - -static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type, - const int tsf_sync) -{ - u16 reg; - - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); - - /* - * Enable beacon config - */ - rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); - rt2x00_set_field16(®, TXRX_CSR20_OFFSET, - (PREAMBLE + get_duration(IEEE80211_HEADER, 20)) >> 6); - if (type == IEEE80211_IF_TYPE_STA) - rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 0); - else - rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 2); - 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_COUNT, 1); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); - rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, tsf_sync); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); -} - -static void rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev, - const int short_preamble, - const int ack_timeout, - const int ack_consume_time) -{ - u16 reg; - - /* - * When in atomic context, reschedule and let rt2x00lib - * call this function again. - */ - if (in_atomic()) { - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work); - return; - } - - rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); - rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, ack_timeout); - rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); - rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, - !!short_preamble); - rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); -} - -static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev, - const int phymode, - const int basic_rate_mask) -{ - rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask); - - if (phymode == HWMODE_B) { - rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b); - rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040); - } else { - rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005); - rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c); - } -} - -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->chip, 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_antenna(struct rt2x00_dev *rt2x00dev, - const int antenna_tx, const int antenna_rx) -{ - u8 r2; - u8 r14; - u16 csr5; - u16 csr6; - - 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 (antenna_tx) { - case ANTENNA_SW_DIVERSITY: - 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: - 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 (antenna_rx) { - case ANTENNA_SW_DIVERSITY: - 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: - rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); - break; - } - - /* - * RT2525E and RT5222 need to flip TX I/Q - */ - if (rt2x00_rf(&rt2x00dev->chip, RF2525E) || - rt2x00_rf(&rt2x00dev->chip, 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->chip, 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_duration(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf) -{ - u16 reg; - - rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time); - - rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); - rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, - libconf->conf->beacon_int * 4); - rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); -} - -static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, - const unsigned int flags, - struct rt2x00lib_conf *libconf) -{ - if (flags & CONFIG_UPDATE_PHYMODE) - rt2500usb_config_phymode(rt2x00dev, libconf->phymode, - libconf->basic_rates); - if (flags & CONFIG_UPDATE_CHANNEL) - rt2500usb_config_channel(rt2x00dev, &libconf->rf, - libconf->conf->power_level); - if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) - rt2500usb_config_txpower(rt2x00dev, - libconf->conf->power_level); - if (flags & CONFIG_UPDATE_ANTENNA) - rt2500usb_config_antenna(rt2x00dev, - libconf->conf->antenna_sel_tx, - libconf->conf->antenna_sel_rx); - if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) - rt2500usb_config_duration(rt2x00dev, libconf); -} - -/* - * LED functions. - */ -static void rt2500usb_enable_led(struct rt2x00_dev *rt2x00dev) -{ - u16 reg; - - rt2500usb_register_read(rt2x00dev, MAC_CSR21, ®); - rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, 70); - rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, 30); - rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg); - - rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®); - - if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) { - rt2x00_set_field16(®, MAC_CSR20_LINK, 1); - rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 0); - } else if (rt2x00dev->led_mode == LED_MODE_ASUS) { - rt2x00_set_field16(®, MAC_CSR20_LINK, 0); - rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 1); - } else { - rt2x00_set_field16(®, MAC_CSR20_LINK, 1); - rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 1); - } - - rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg); -} - -static void rt2500usb_disable_led(struct rt2x00_dev *rt2x00dev) -{ - u16 reg; - - rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®); - rt2x00_set_field16(®, MAC_CSR20_LINK, 0); - rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 0); - rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg); -} - -/* - * Link tuning - */ -static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev) -{ - u16 reg; - - /* - * Update FCS error count from register. - */ - rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); - rt2x00dev->link.rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); - - /* - * Update False CCA count from register. - */ - rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); - rt2x00dev->link.false_cca = - rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); -} - -static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev) -{ - 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); - - rt2x00dev->link.vgc_level = value; -} - -static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev) -{ - int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); - u16 bbp_thresh; - u16 vgc_bound; - u16 sens; - u16 r24; - u16 r25; - u16 r61; - u16 r17_sens; - u8 r17; - u8 up_bound; - u8 low_bound; - - /* - * Determine the BBP tuning threshold and correctly - * set BBP 24, 25 and 61. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh); - bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD); - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24); - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25); - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61); - - if ((rssi + bbp_thresh) > 0) { - r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH); - r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH); - r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH); - } else { - r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW); - r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW); - r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW); - } - - rt2500usb_bbp_write(rt2x00dev, 24, r24); - rt2500usb_bbp_write(rt2x00dev, 25, r25); - rt2500usb_bbp_write(rt2x00dev, 61, r61); - - /* - * Read current r17 value, as well as the sensitivity values - * for the r17 register. - */ - rt2500usb_bbp_read(rt2x00dev, 17, &r17); - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens); - - /* - * A too low RSSI will cause too much false CCA which will - * then corrupt the R17 tuning. To remidy this the tuning should - * be stopped (While making sure the R17 value will not exceed limits) - */ - if (rssi >= -40) { - if (r17 != 0x60) - rt2500usb_bbp_write(rt2x00dev, 17, 0x60); - return; - } - - /* - * Special big-R17 for short distance - */ - if (rssi >= -58) { - sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW); - if (r17 != sens) - rt2500usb_bbp_write(rt2x00dev, 17, sens); - return; - } - - /* - * Special mid-R17 for middle distance - */ - if (rssi >= -74) { - sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH); - if (r17 != sens) - rt2500usb_bbp_write(rt2x00dev, 17, sens); - return; - } - - /* - * Leave short or middle distance condition, restore r17 - * to the dynamic tuning range. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound); - vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER); - - low_bound = 0x32; - if (rssi >= -77) - up_bound = vgc_bound; - else - up_bound = vgc_bound - (-77 - rssi); - - if (up_bound < low_bound) - up_bound = low_bound; - - if (r17 > up_bound) { - rt2500usb_bbp_write(rt2x00dev, 17, up_bound); - rt2x00dev->link.vgc_level = up_bound; - } else if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) { - rt2500usb_bbp_write(rt2x00dev, 17, ++r17); - rt2x00dev->link.vgc_level = r17; - } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) { - rt2500usb_bbp_write(rt2x00dev, 17, --r17); - rt2x00dev->link.vgc_level = r17; - } -} - -/* - * 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_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->chip) >= RT2570_VERSION_C) { - rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®); - reg &= ~0x0002; - } else { - reg = 0x3002; - } - 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_IV_OFFSET, IEEE80211_HEADER); - rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0xff); - 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_init_bbp(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u16 eeprom; - u8 value; - u8 reg_id; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2500usb_bbp_read(rt2x00dev, 0, &value); - if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); - udelay(REGISTER_BUSY_DELAY); - } - - ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); - return -EACCES; - -continue_csr_init: - 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); - - DEBUG(rt2x00dev, "Start initialization from EEPROM...\n"); - 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); - DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n", - reg_id, value); - rt2500usb_bbp_write(rt2x00dev, reg_id, value); - } - } - DEBUG(rt2x00dev, "...End initialization from EEPROM.\n"); - - return 0; -} - -/* - * Device state switch handlers. - */ -static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - u16 reg; - - rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, - state == STATE_RADIO_RX_OFF); - rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); -} - -static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) -{ - /* - * Initialize all registers. - */ - if (rt2500usb_init_registers(rt2x00dev) || - rt2500usb_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); - return -EIO; - } - - rt2x00usb_enable_radio(rt2x00dev); - - /* - * Enable LED - */ - rt2500usb_enable_led(rt2x00dev); - - return 0; -} - -static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) -{ - /* - * Disable LED - */ - rt2500usb_disable_led(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_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); - } - - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state: bbp %d and rf %d.\n", - state, bbp_state, rf_state); - - 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_RX_ON: - case STATE_RADIO_RX_OFF: - rt2500usb_toggle_rx(rt2x00dev, state); - 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; - } - - return retval; -} - -/* - * TX descriptor initialization - */ -static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, - struct data_desc *txd, - struct txdata_entry_desc *desc, - struct ieee80211_hdr *ieee80211hdr, - unsigned int length, - struct ieee80211_tx_control *control) -{ - u32 word; - - /* - * Start writing the descriptor words. - */ - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); - rt2x00_set_field32(&word, TXD_W1_AIFS, desc->aifs); - rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min); - rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max); - rt2x00_desc_write(txd, 1, word); - - rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal); - rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high); - rt2x00_desc_write(txd, 2, word); - - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - !(control->flags & IEEE80211_TXCTL_NO_ACK)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, - !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)); - rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length); - rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE); - rt2x00_desc_write(txd, 0, word); -} - -static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, - struct sk_buff *skb) -{ - int length; - - /* - * The length _must_ be a multiple of 2, - * but it must _not_ be a multiple of the USB packet size. - */ - length = roundup(skb->len, 2); - length += (2 * !(length % rt2x00dev->usb_maxpacket)); - - return length; -} - -/* - * TX data initialization - */ -static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - unsigned int queue) -{ - u16 reg; - - if (queue != IEEE80211_TX_QUEUE_BEACON) - return; - - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); - /* - * Beacon generation will fail initially. - * To prevent this we need to register the TXRX_CSR19 - * register several times. - */ - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - } -} - -/* - * RX control handlers - */ -static void rt2500usb_fill_rxdone(struct data_entry *entry, - struct rxdata_entry_desc *desc) -{ - struct urb *urb = entry->priv; - struct data_desc *rxd = (struct data_desc *)(entry->skb->data + - (urb->actual_length - - entry->ring->desc_size)); - u32 word0; - u32 word1; - - rt2x00_desc_read(rxd, 0, &word0); - rt2x00_desc_read(rxd, 1, &word1); - - desc->flags = 0; - if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) - desc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) - desc->flags |= RX_FLAG_FAILED_PLCP_CRC; - - /* - * Obtain the status about this packet. - */ - desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); - desc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) - - entry->ring->rt2x00dev->rssi_offset; - desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); - desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); - - return; -} - -/* - * Interrupt functions. - */ -static void rt2500usb_beacondone(struct urb *urb) -{ - struct data_entry *entry = (struct data_entry *)urb->context; - struct data_ring *ring = entry->ring; - - if (!test_bit(DEVICE_ENABLED_RADIO, &ring->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 (ring->index == 1) { - rt2x00_ring_index_done_inc(ring); - entry = rt2x00_get_data_entry(ring); - usb_submit_urb(entry->priv, GFP_ATOMIC); - rt2x00_ring_index_inc(ring); - } else if (ring->index_done == 1) { - entry = rt2x00_get_data_entry_done(ring); - if (entry->skb) { - dev_kfree_skb(entry->skb); - entry->skb = NULL; - } - rt2x00_ring_index_done_inc(ring); - } -} - -/* - * Device probe functions. - */ -static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u16 word; - u8 *mac; - - rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); - - /* - * Start validation of the data that has been read. - */ - mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - DECLARE_MAC_BUF(macbuf); - - random_ether_addr(mac); - EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, 0); - 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); - EEPROM(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); - EEPROM(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); - EEPROM(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); - EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); - rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); - EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", 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); - EEPROM(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); - EEPROM(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); - EEPROM(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); - EEPROM(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 (!rt2x00_check_rev(&rt2x00dev->chip, 0)) { - ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); - return -ENODEV; - } - - if (!rt2x00_rf(&rt2x00dev->chip, RF2522) && - !rt2x00_rf(&rt2x00dev->chip, RF2523) && - !rt2x00_rf(&rt2x00dev->chip, RF2524) && - !rt2x00_rf(&rt2x00dev->chip, RF2525) && - !rt2x00_rf(&rt2x00dev->chip, RF2525E) && - !rt2x00_rf(&rt2x00dev->chip, RF5222)) { - ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); - return -ENODEV; - } - - /* - * Identify default antenna configuration. - */ - rt2x00dev->hw->conf.antenna_sel_tx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); - rt2x00dev->hw->conf.antenna_sel_rx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); - - /* - * Store led mode, for correct led behaviour. - */ - rt2x00dev->led_mode = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); - - /* - * Check if the BBP tuning should be disabled. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); - if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE)) - __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->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 void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) -{ - struct hw_mode_spec *spec = &rt2x00dev->spec; - u8 *txpower; - unsigned int i; - - /* - * Initialize all hw fields. - */ - rt2x00dev->hw->flags = - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; - rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; - rt2x00dev->hw->max_signal = MAX_SIGNAL; - rt2x00dev->hw->max_rssi = MAX_RX_SSI; - rt2x00dev->hw->queues = 2; - - SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev); - SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, - rt2x00_eeprom_addr(rt2x00dev, - EEPROM_MAC_ADDR_0)); - - /* - * Convert tx_power array in eeprom. - */ - txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); - for (i = 0; i < 14; i++) - txpower[i] = TXPOWER_FROM_DEV(txpower[i]); - - /* - * Initialize hw_mode information. - */ - spec->num_modes = 2; - spec->num_rates = 12; - spec->tx_power_a = NULL; - spec->tx_power_bg = txpower; - spec->tx_power_default = DEFAULT_TXPOWER; - - if (rt2x00_rf(&rt2x00dev->chip, RF2522)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); - spec->channels = rf_vals_bg_2522; - } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); - spec->channels = rf_vals_bg_2523; - } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); - spec->channels = rf_vals_bg_2524; - } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); - spec->channels = rf_vals_bg_2525; - } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { - spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); - spec->channels = rf_vals_bg_2525e; - } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) { - spec->num_channels = ARRAY_SIZE(rf_vals_5222); - spec->channels = rf_vals_5222; - spec->num_modes = 3; - } -} - -static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) -{ - int retval; - - /* - * Allocate eeprom data. - */ - retval = rt2500usb_validate_eeprom(rt2x00dev); - if (retval) - return retval; - - retval = rt2500usb_init_eeprom(rt2x00dev); - if (retval) - return retval; - - /* - * Initialize hw specifications. - */ - rt2500usb_probe_hw_mode(rt2x00dev); - - /* - * This device requires the beacon ring - */ - __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags); - - /* - * Set the rssi offset. - */ - rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; - - return 0; -} - -/* - * IEEE80211 stack callback functions. - */ -static void rt2500usb_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - int mc_count, - struct dev_addr_list *mc_list) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - struct interface *intf = &rt2x00dev->interface; - u16 reg; - - /* - * Mask off any flags we are going to ignore from - * the total_flags field. - */ - *total_flags &= - FIF_ALLMULTI | - FIF_FCSFAIL | - FIF_PLCPFAIL | - FIF_CONTROL | - FIF_OTHER_BSS | - FIF_PROMISC_IN_BSS; - - /* - * Apply some rules to the filters: - * - Some filters imply different filters to be set. - * - Some things we can't filter out at all. - * - Some filters are set based on interface type. - */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; - if (*total_flags & FIF_OTHER_BSS || - *total_flags & FIF_PROMISC_IN_BSS) - *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; - if (is_interface_type(intf, IEEE80211_IF_TYPE_AP)) - *total_flags |= FIF_PROMISC_IN_BSS; - - /* - * Check if there is any work left for us. - */ - if (intf->filter == *total_flags) - return; - intf->filter = *total_flags; - - /* - * When in atomic context, reschedule and let rt2x00lib - * call this function again. - */ - if (in_atomic()) { - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); - return; - } - - /* - * 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, - !(*total_flags & FIF_FCSFAIL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, - !(*total_flags & FIF_PLCPFAIL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, - !(*total_flags & FIF_CONTROL)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, - !(*total_flags & FIF_PROMISC_IN_BSS)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, - !(*total_flags & FIF_PROMISC_IN_BSS)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); - rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, - !(*total_flags & FIF_ALLMULTI)); - rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); -} - -static int rt2500usb_beacon_update(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_tx_control *control) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - struct usb_device *usb_dev = - interface_to_usbdev(rt2x00dev_usb(rt2x00dev)); - struct data_ring *ring = - rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); - struct data_entry *beacon; - struct data_entry *guardian; - int pipe = usb_sndbulkpipe(usb_dev, 1); - int length; - - /* - * Just in case the ieee80211 doesn't set this, - * but we need this queue set for the descriptor - * initialization. - */ - control->queue = IEEE80211_TX_QUEUE_BEACON; - - /* - * Obtain 2 entries, one for the guardian byte, - * the second for the actual beacon. - */ - guardian = rt2x00_get_data_entry(ring); - rt2x00_ring_index_inc(ring); - beacon = rt2x00_get_data_entry(ring); - - /* - * First we create the beacon. - */ - skb_push(skb, ring->desc_size); - memset(skb->data, 0, ring->desc_size); - - rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data, - (struct ieee80211_hdr *)(skb->data + - ring->desc_size), - skb->len - ring->desc_size, control); - - length = rt2500usb_get_tx_data_len(rt2x00dev, skb); - - usb_fill_bulk_urb(beacon->priv, usb_dev, pipe, - skb->data, length, rt2500usb_beacondone, beacon); - - beacon->skb = skb; - - /* - * 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. - */ - guardian->flags = 0; - usb_fill_bulk_urb(guardian->priv, usb_dev, pipe, - &guardian->flags, 1, rt2500usb_beacondone, guardian); - - /* - * Send out the guardian byte. - */ - usb_submit_urb(guardian->priv, GFP_ATOMIC); - - /* - * Enable beacon generation. - */ - rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); - - 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, - .config_interface = rt2x00mac_config_interface, - .configure_filter = rt2500usb_configure_filter, - .get_stats = rt2x00mac_get_stats, - .erp_ie_changed = rt2x00mac_erp_ie_changed, - .conf_tx = rt2x00mac_conf_tx, - .get_tx_stats = rt2x00mac_get_tx_stats, - .beacon_update = rt2500usb_beacon_update, -}; - -static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { - .probe_hw = rt2500usb_probe_hw, - .initialize = rt2x00usb_initialize, - .uninitialize = rt2x00usb_uninitialize, - .set_device_state = rt2500usb_set_device_state, - .link_stats = rt2500usb_link_stats, - .reset_tuner = rt2500usb_reset_tuner, - .link_tuner = rt2500usb_link_tuner, - .write_tx_desc = rt2500usb_write_tx_desc, - .write_tx_data = rt2x00usb_write_tx_data, - .get_tx_data_len = rt2500usb_get_tx_data_len, - .kick_tx_queue = rt2500usb_kick_tx_queue, - .fill_rxdone = rt2500usb_fill_rxdone, - .config_mac_addr = rt2500usb_config_mac_addr, - .config_bssid = rt2500usb_config_bssid, - .config_type = rt2500usb_config_type, - .config_preamble = rt2500usb_config_preamble, - .config = rt2500usb_config, -}; - -static const struct rt2x00_ops rt2500usb_ops = { - .name = DRV_NAME, - .rxd_size = RXD_DESC_SIZE, - .txd_size = TXD_DESC_SIZE, - .eeprom_size = EEPROM_SIZE, - .rf_size = RF_SIZE, - .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_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Belkin */ - { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Cisco Systems */ - { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Conceptronic */ - { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* D-LINK */ - { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Gigabyte */ - { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Hercules */ - { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Melco */ - { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, - - /* MSI */ - { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Ralink */ - { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) }, - { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Siemens */ - { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* SMC */ - { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Spairon */ - { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Trust */ - { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, - /* Zinwell */ - { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) }, - { 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 struct usb_driver rt2500usb_driver = { - .name = DRV_NAME, - .id_table = rt2500usb_device_table, - .probe = rt2x00usb_probe, - .disconnect = rt2x00usb_disconnect, - .suspend = rt2x00usb_suspend, - .resume = rt2x00usb_resume, -}; - -static int __init rt2500usb_init(void) -{ - return usb_register(&rt2500usb_driver); -} - -static void __exit rt2500usb_exit(void) -{ - usb_deregister(&rt2500usb_driver); -} - -module_init(rt2500usb_init); -module_exit(rt2500usb_exit); |